@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&family=Montserrat:wght@400;600;700;800&display=swap');

/* ===== RESET ===== */
.chacongreso-2026 *,
.chacongreso-2026 *::before,
.chacongreso-2026 *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* ===== CSS VARS (scoped) ===== */
.chacongreso-2026 {
  --primary: #243266;
  --primary-dark: #1a244d;
  --primary-light: #3a4d8a;
  --azul-medio: #2C54A1;
  --azul-celeste: #1D9BD8;
  --azul-claro: #89C2DF;
  --verde-medico: #0B7D34;
  --verde-lima: #C7D300;
  --rojo: #E51B20;
  --dorado: #B3915C;
  --naranja: #F59F16;
  --purpura: #824896;
  --azul-tecnologico: #0055A4;

  --bg: #f8f9fc;
  --surface: #eef0f5;
  --fg: #243266;
  --muted: #5a6a8a;
  --border: #d9dce5;
  --accent: #2C54A1;
  --accent2: #F59F16;
  --accent3: #1D9BD8;
  --accent-dark: #243266;
  --accent-light: #89C2DF;
  --accent-glow: rgba(44, 84, 161, 0.25);
  --accent2-glow: rgba(245, 159, 22, 0.20);
  --font-display: 'Montserrat', sans-serif;
  --font-body: 'Inter', 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', 'Cascadia Code', Menlo, monospace;
  --max-w: 1120px;
  --radius: 8px;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  font-size: clamp(18px, 2vw, 20px);
  color-scheme: light;
}

/* ===== BASE ===== */
.chacongreso-2026 {
  font-family: var(--font-body);
  color: var(--fg);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  display: block;
  transition: background 0.4s ease, color 0.4s ease;
}
.chacongreso-2026::before {
  content: '';
  position: fixed; inset: 0; z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 10% 20%, oklch(31% 0.07 265 / 0.04) 0%, transparent 60%),
    radial-gradient(ellipse 60% 70% at 90% 80%, oklch(38% 0.12 265 / 0.03) 0%, transparent 60%),
    radial-gradient(ellipse 50% 60% at 50% 50%, oklch(58% 0.14 250 / 0.03) 0%, transparent 60%);
}
.chacongreso-2026 p { text-align: justify; }

/* ===== LOADER ===== */
#cha-loader {
  position: fixed !important; inset: 0; z-index: 999999;
  background: linear-gradient(135deg, #2e3546, #141e28);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
  animation: chaLoaderAutoHide 1ms 3.5s forwards;
}
#cha-loader.cha-hidden { opacity: 0 !important; visibility: hidden !important; pointer-events: none !important; }
.cha-loader-ring {
  width: 50px; height: 50px; border-radius: 50%;
  border: 3px solid rgba(255,255,255,0.15);
  border-top-color: #fff;
  animation: chaLoaderSpin 0.8s linear infinite;
}
@keyframes chaLoaderSpin { to { transform: rotate(360deg); } }
@keyframes chaLoaderAutoHide { to { opacity: 0; visibility: hidden; pointer-events: none; } }

/* ===== PROGRESS BAR ===== */
#cha-progress-bar {
  position: fixed !important; top: 0; left: 0; right: 0; height: 3px; z-index: 99999;
  background: linear-gradient(90deg, var(--accent), var(--accent2), var(--accent));
  background-size: 200% 100%;
  animation: chaProgShimmer 2s linear infinite;
  transform-origin: 0 50%;
  transform: scaleX(0);
  transition: transform 0.1s linear;
}
@keyframes chaProgShimmer { 0% { background-position: 0% 0; } 100% { background-position: 200% 0; } }

/* ===== SECTION NAV DOTS ===== */
#cha-section-dots {
  position: fixed !important; right: 1.2rem; top: 50%; transform: translateY(-50%);
  z-index: 9998; display: flex; flex-direction: column; gap: 0.6rem;
  pointer-events: none;
}
#cha-section-dots a {
  display: block; width: 10px; height: 10px; border-radius: 50%;
  background: #d0d0e0; border: 1.5px solid transparent;
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: auto; position: relative;
}
#cha-section-dots a.active {
  background: var(--accent); border-color: var(--accent);
  transform: scale(1.3);
}
#cha-section-dots a:hover { transform: scale(1.3); border-color: var(--accent); }
#cha-section-dots a .cha-dot-label {
  position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
  font-size: 0.6rem; font-family: ui-monospace, monospace; text-transform: uppercase;
  letter-spacing: 0.05em; white-space: nowrap; color: var(--muted);
  background: #fff; padding: 2px 6px; border-radius: 3px; border: 1px solid #d0d0e0;
  opacity: 0; pointer-events: none; transition: opacity 0.2s ease;
}
#cha-section-dots a:hover .cha-dot-label { opacity: 1; }

/* ===== FLOATING INSCRIBIRSE BUTTON ===== */
#cha-floating-inscribirse {
  position: fixed !important;
  bottom: 2rem;
  left: 2rem;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  border: none;
  border-radius: 50%;
  text-decoration: none;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
  transition: opacity .4s ease, transform .4s var(--ease-spring), box-shadow .3s;
}
#cha-floating-inscribirse.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
#cha-floating-inscribirse:hover {
  background: var(--accent);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  transform: translateY(-2px);
}
#cha-floating-inscribirse:active {
  transform: translateY(0);
}
#cha-floating-inscribirse .cha-fi-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  color: #fff;
}
#cha-floating-inscribirse .cha-fi-icon svg {
  width: 100%;
  height: 100%;
}
#cha-floating-inscribirse .cha-fi-dot {
  position: absolute;
  top: -2px;
  right: -2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #e74c3c;
  border: 2px solid #fff;
}
#cha-floating-inscribirse .cha-fi-text {
  position: absolute;
  left: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .03em;
  color: #fff;
  background: var(--accent);
  padding: .5rem 1rem;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s ease;
  box-shadow: 0 4px 16px oklch(0% 0 0 / 0.15);
}
#cha-floating-inscribirse:hover .cha-fi-text {
  opacity: 1;
}
@media(max-width: 768px) {
  #cha-floating-inscribirse {
    bottom: 1rem;
    left: 1rem;
    width: 48px;
    height: 48px;
  }
  #cha-floating-inscribirse .cha-fi-icon {
    width: 22px;
    height: 22px;
  }
  #cha-floating-inscribirse .cha-fi-dot {
    width: 12px;
    height: 12px;
    top: -1px;
    right: -1px;
  }
  #cha-floating-inscribirse .cha-fi-text {
    font-size: .72rem;
    padding: .4rem .75rem;
    left: calc(100% + 8px);
  }
}

/* ===== GLOBAL PARTICLES ===== */
#cha-global-particles {
  position: fixed !important; inset: 0; z-index: 0; pointer-events: none;
  opacity: 0; transition: opacity 1.5s ease;
}
#cha-global-particles.cha-visible { opacity: 1; }
.chacongreso-2026 .cha-hero { position: relative; z-index: 1; contain: layout style paint; }
.chacongreso-2026 .cha-section,
.chacongreso-2026 .cha-speakers-section { position: relative; z-index: 1; }
.chacongreso-2026 .cha-footer { position: relative; z-index: 1; }

/* ===== AURORA ===== */
.chacongreso-2026 .cha-aurora {
  position: fixed !important; inset: 0; z-index: 0;
  overflow: hidden; pointer-events: none;
}
.chacongreso-2026 .cha-aurora-blob {
  position: absolute; border-radius: 50%;
  filter: blur(90px);
  will-change: transform;
  backface-visibility: hidden;
  transform: translate3d(0, 0, 0);
}
.chacongreso-2026 .cha-aurora-1 {
  width: 55vw; height: 55vw; max-width: 720px; max-height: 720px;
  background: radial-gradient(circle at 50% 50%, oklch(31% 0.07 265 / 0.14) 0%, transparent 70%);
  top: -12%; left: -8%;
  animation: chaAuroraDrift1 26s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite, chaBreathingGlow 8s ease-in-out infinite;
}
.chacongreso-2026 .cha-aurora-2 {
  width: 48vw; height: 48vw; max-width: 640px; max-height: 640px;
  background: radial-gradient(circle at 50% 50%, oklch(38% 0.12 265 / 0.12) 0%, transparent 70%);
  top: 30%; right: -10%; left: auto;
  animation: chaAuroraDrift2 32s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite, chaBreathingGlow 10s ease-in-out 1s infinite;
}
.chacongreso-2026 .cha-aurora-3 {
  width: 50vw; height: 50vw; max-width: 680px; max-height: 680px;
  background: radial-gradient(circle at 50% 50%, oklch(58% 0.14 250 / 0.10) 0%, transparent 70%);
  bottom: -14%; left: 25%;
  animation: chaAuroraDrift3 38s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite, chaBreathingGlow 9s ease-in-out 2s infinite;
}
@media (hover: hover) and (pointer: fine) {
  .chacongreso-2026 .cha-aurora-blob { translate: 0 var(--cha-parallax-y, 0); transition: translate 0.1s linear; }
}
@keyframes chaAuroraDrift1 {
  0% { transform: translate(0, 0) scale(1); }
  20% { transform: translate(7vw, 5vh) scale(1.06); }
  35% { transform: translate(11vw, 8vh) scale(1.12); }
  55% { transform: translate(9vw, 3vh) scale(1.04); }
  70% { transform: translate(6vw, -5vh) scale(0.94); }
  85% { transform: translate(3vw, -3vh) scale(0.97); }
  100% { transform: translate(0, 0) scale(1); }
}
@keyframes chaAuroraDrift2 {
  0% { transform: translate(0, 0) scale(1); }
  20% { transform: translate(-6vw, -5vh) scale(1.05); }
  35% { transform: translate(-10vw, -8vh) scale(1.1); }
  55% { transform: translate(-8vw, -2vh) scale(1.02); }
  70% { transform: translate(-4vw, 9vh) scale(0.92); }
  85% { transform: translate(-2vw, 7vh) scale(0.96); }
  100% { transform: translate(0, 0) scale(1); }
}
@keyframes chaAuroraDrift3 {
  0% { transform: translate(0, 0) scale(1); }
  20% { transform: translate(-5vw, -6vw) scale(0.98); }
  35% { transform: translate(-8vw, -10vh) scale(0.95); }
  55% { transform: translate(-3vw, -6vh) scale(1.02); }
  70% { transform: translate(8vw, -4vh) scale(1.1); }
  85% { transform: translate(6vw, -2vh) scale(1.06); }
  100% { transform: translate(0, 0) scale(1); }
}

/* ===== HERO ===== */
.chacongreso-2026 .cha-hero {
  position: relative;
  background: linear-gradient(to bottom, oklch(97% 0.008 260 / 0.78) 0%, oklch(97% 0.006 260 / 0.55) 42%, oklch(98% 0.004 260 / 0.30) 72%, transparent 100%);
  color: var(--fg);
  min-height: 100vh; display: flex; flex-direction: column; align-items: center;
  overflow-x: hidden; overflow-y: auto;
  isolation: isolate;
}
.chacongreso-2026 .cha-hero-content {
  flex: 1 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
@media (max-height: 750px) {
  .chacongreso-2026 .cha-hero { min-height: auto; align-items: flex-start; padding: 3rem 0; }
}
.chacongreso-2026 .cha-hero-bg-gradient {
  position: absolute; inset: 0; width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 70% 60% at 20% 30%, oklch(31% 0.07 265 / 0.10) 0%, transparent 60%),
    radial-gradient(ellipse 50% 70% at 80% 20%, oklch(38% 0.12 265 / 0.08) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 60% 80%, oklch(31% 0.07 265 / 0.07) 0%, transparent 50%),
    radial-gradient(ellipse 80% 60% at 40% 50%, oklch(58% 0.14 250 / 0.05) 0%, transparent 60%);
  background-size: 200% 200%;
  animation: chaBgDrift 20s ease-in-out infinite alternate;
}
@keyframes chaBgDrift {
  0% { background-position: 0% 0%; }
  25% { background-position: 40% 30%; }
  50% { background-position: 100% 60%; }
  75% { background-position: 60% 80%; }
  100% { background-position: 0% 100%; }
}
.chacongreso-2026 .cha-hero-bg-image {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; z-index: 1;   opacity: 1; pointer-events: none;
}
.chacongreso-2026 .cha-hero-bg-overlay {
  position: absolute; inset: 0; z-index: 2;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 50% at 50% 20%, transparent 0%, oklch(0% 0 0 / 0.35) 100%),
    radial-gradient(ellipse 60% 60% at 50% 100%, oklch(0% 0 0 / 0.30) 0%, transparent 70%);
}
.chacongreso-2026 .cha-hero-canvas {
  position: absolute; inset: 0; z-index: 3; pointer-events: none;
}
.chacongreso-2026 .cha-hero-content {
  position: relative; z-index: 5;
  width: 100%;
  max-width: 1400px;
  padding: 2.5rem 3rem;
  margin: 0 2rem;
}

.chacongreso-2026 .cha-hero-col-right {
  position: relative;
  padding: 2.5rem 2.5rem;
  border-radius: 20px;
  isolation: isolate;
  text-align: center;
}
.chacongreso-2026 .cha-hero-col-right::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: rgba(0, 0, 0, 0.45);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: -1;
}
.chacongreso-2026 .cha-hero-col-right > * {
  position: relative;
  z-index: 1;
}
.chacongreso-2026 .cha-hero-col-right .cha-hero-sub-desc { color: rgba(255,255,255,0.85); }
.chacongreso-2026 .cha-hero-col-right .cha-hero-meta-item { color: rgba(255,255,255,0.75); }
.chacongreso-2026 .cha-hero-col-right .cha-hero-meta-item svg { color: #fff; }
.chacongreso-2026 .cha-hero-col-right .cha-hero-venue { color: rgba(255,255,255,0.6); }
.chacongreso-2026 .cha-hero-col-right .cha-counter-label { color: rgba(255,255,255,0.5); }
.chacongreso-2026 .cha-hero-col-right .cha-counter-num { color: #fff; }
.chacongreso-2026 .cha-hero-col-right .cha-hero-badge { color: #fff; }
.chacongreso-2026 .cha-hero-col-right .cha-hero-sub { color: #fff; }
.chacongreso-2026 .cha-hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  align-items: center;
  gap: 4rem;
}
.chacongreso-2026 .cha-hero-col-left {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 2rem;
  isolation: isolate;
}
.chacongreso-2026 .cha-hero-col-left::before {
  content: '';
  position: absolute;
  inset: -10%;
  z-index: -1;
  background: radial-gradient(ellipse 65% 65% at 50% 50%, oklch(31% 0.07 265 / 0.95) 0%, oklch(25% 0.06 265 / 0.65) 42%, transparent 72%);
  pointer-events: none;
}
.chacongreso-2026 .cha-hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(0.6rem, 0.75vw, 0.8rem);
  letter-spacing: 0.25em; text-transform: uppercase;
  padding: 0.45rem 1.2rem;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 100px; margin-bottom: 2rem;
  opacity: 0; transform: translateY(20px);
  animation: chaFadeUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.3s forwards;
}
.chacongreso-2026 .cha-hero-logo-wrap {
  opacity: 0; transform: translateY(20px);
  animation: chaFadeUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.1s forwards;
}
.chacongreso-2026 .cha-hero-logo {
  max-width: 340px; width: 100%; height: auto;
  display: block;
  filter: drop-shadow(0 8px 32px oklch(0% 0 0 / 0.12));
}
.chacongreso-2026 .cha-hero-venue {
  font-family: var(--font-mono);
  font-size: clamp(0.55rem, 0.7vw, 0.75rem);
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 1.8rem;
  opacity: 0; transform: translateY(20px);
  animation: chaFadeUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.45s forwards;
}
#cha-simposios { display: none !important; }
.chacongreso-2026 .cha-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4.8vw, 4.4rem);
  line-height: 1.12;
  letter-spacing: -0.025em; margin-bottom: 1.2rem;
}
.chacongreso-2026 .cha-hero h1 .cha-line {
  display: block;
  opacity: 0; transform: translateY(35px);
  animation: chaFadeUp 1.1s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
  background: linear-gradient(90deg, var(--rojo), var(--naranja), var(--verde-lima), var(--accent3), var(--purpura), var(--rojo));
  background-size: 400% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: chaFadeUp 1.1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0s forwards,
             chaShimmerText 8s linear 1.5s infinite;
}
.chacongreso-2026 .cha-hero h1 .cha-line:nth-child(1) { animation-delay: 0.5s; }
.chacongreso-2026 .cha-hero h1 .cha-line:nth-child(2) { animation-delay: 0.7s; }
.chacongreso-2026 .cha-hero-sub {
  font-size: clamp(1rem, 1.3vw, 1.2rem);
  opacity: 0; max-width: 600px; margin: 0 auto 1.2rem; line-height: 1.5;
  transform: translateY(24px); text-align: center;
  animation: chaFadeUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.9s forwards;
}
.chacongreso-2026 .cha-hero-sub-typewriter { display: block; text-align: center; }
.chacongreso-2026 .cha-hero-sub-typewriter .cha-tw-cursor {
  display: inline-block; width: 2px; height: 1.2em;
  background: currentColor; vertical-align: text-bottom; margin-left: 2px;
  animation: chaBlinkCaret 0.8s step-end infinite;
}
@keyframes chaBlinkCaret { 50% { opacity: 0; } }
.chacongreso-2026 .cha-hero-sub-desc {
  font-size: clamp(0.85rem, 1.05vw, 1rem);
  opacity: 0; max-width: 650px; margin: 0 auto 2rem; line-height: 1.6;
  transform: translateY(18px); text-align: center;
  animation: chaFadeUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.1s forwards;
  color: var(--muted);
}
.chacongreso-2026 .cha-hero-counter {
  display: flex; justify-content: center; gap: 1.5rem;
  margin-bottom: 2rem; flex-wrap: wrap;
  opacity: 0; transform: translateY(24px);
  animation: chaFadeUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.3s forwards;
}
.chacongreso-2026 .cha-counter-block { text-align: center; }
.chacongreso-2026 .cha-counter-num {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 400; line-height: 1; color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.chacongreso-2026 .cha-counter-label {
  font-size: 0.65rem; letter-spacing: 0.12em;
  text-transform: uppercase; opacity: 0.6;
  font-family: var(--font-mono);
}
.chacongreso-2026 .cha-hero-meta {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 1rem 2.5rem; margin-bottom: 2.5rem;
  font-size: clamp(0.85rem, 1vw, 1rem);
  opacity: 0; transform: translateY(24px);
  animation: chaFadeUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.5s forwards;
}
.chacongreso-2026 .cha-hero-meta-item {
  display: flex; align-items: center; gap: 0.5rem; opacity: 0.85;
}
.chacongreso-2026 .cha-hero-meta-item svg { width: 1em; height: 1em; flex-shrink: 0; opacity: 0.7; color: var(--accent); }
.chacongreso-2026 .cha-hero-actions {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem;
  opacity: 0; transform: translateY(24px);
  animation: chaFadeUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.7s forwards;
}
@keyframes chaFadeUp { 0% { opacity: 0; transform: translateY(24px); } 100% { opacity: 1; transform: translateY(0); } }

/* ===== BUTTONS ===== */
.chacongreso-2026 .cha-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-body); font-size: 1rem; font-weight: 500;
  text-decoration: none; cursor: pointer;
  transition: all 0.35s var(--ease-out-expo);
  border: 1.5px solid transparent;
  position: relative; overflow: hidden;
  outline-offset: 2px;
}
.chacongreso-2026 .cha-btn:focus-visible { outline: 2px solid var(--accent); }
.chacongreso-2026 .cha-btn-ripple {
  position: absolute; border-radius: 50%;
  background: rgba(44, 84, 161, 0.22);
  transform: scale(0); pointer-events: none;
  animation: chaRipple 0.6s ease-out forwards;
}
@keyframes chaRipple { to { transform: scale(4); opacity: 0; } }
.chacongreso-2026 .cha-btn-primary {
  background: var(--accent); color: #fff; border-color: var(--accent);
  transition: all 0.35s var(--ease-out-expo), background 0.4s ease, border-color 0.4s ease;
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}
.chacongreso-2026 .cha-btn-primary:hover {
  background: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
}
.chacongreso-2026 .cha-btn-primary.cha-loading {
  pointer-events: none; opacity: 0.85;
}
.chacongreso-2026 .cha-btn-primary.cha-loading .cha-btn-label { visibility: hidden; }
.chacongreso-2026 .cha-btn-primary.cha-loading::after {
  content: ''; position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
}
.chacongreso-2026 .cha-btn-spinner {
  display: inline-block; width: 16px; height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff; border-radius: 50%;
  animation: chaSpin 0.6s linear infinite;
  position: absolute;
}
@keyframes chaSpin { to { transform: rotate(360deg); } }
.chacongreso-2026 .cha-btn-outline {
  background: transparent; color: #fff;
  border-color: rgba(255,255,255,0.3);
}
.chacongreso-2026 .cha-btn-outline:hover {
  border-color: #fff; background: rgba(255,255,255,0.15);
  transform: translateY(-3px);
}
.chacongreso-2026 .cha-magnetic-wrap { display: inline-flex; }
.chacongreso-2026 .cha-scroll-indicator {
  position: absolute; bottom: 2.5rem; left: 50%;
  transform: translateX(-50%); z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  opacity: 0; animation: chaFadeUp 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 2s forwards;
}
.chacongreso-2026 .cha-scroll-indicator span {
  font-size: 0.6rem; letter-spacing: 0.2em; text-transform: uppercase;
  font-family: var(--font-mono); opacity: 0.5;
}
.chacongreso-2026 .cha-scroll-line {
  width: 1px; height: 50px;
  background: linear-gradient(to bottom, #fff, transparent);
  animation: chaScrollPulse 2.5s ease-in-out infinite, chaBounceDot 2.5s ease-in-out infinite;
  opacity: 0.5;
}
@keyframes chaScrollPulse {
  0%, 100% { transform: scaleY(0.3); opacity: 0.3; }
  50% { transform: scaleY(1); opacity: 0.7; }
}

/* ===== WORD REVEAL ===== */
.chacongreso-2026 .cha-word-reveal { display: inline-block; overflow: hidden; vertical-align: top; }
.chacongreso-2026 .cha-word-reveal span {
  display: inline-block;
  opacity: 0; transform: translateY(60%);
  transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.chacongreso-2026 .cha-word-reveal.visible span { opacity: 1; transform: translateY(0); }

/* ===== LETTER BY LETTER REVEAL ===== */
.chacongreso-2026 .cha-chars { display: inline; white-space: pre-wrap; }
.chacongreso-2026 .cha-char {
  display: inline-block;
  opacity: 0; transform: translateY(18px) rotateX(20deg);
  transition: all 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.chacongreso-2026 .cha-char.cha-revealed { opacity: 1; transform: translateY(0) rotateX(0); }

/* ===== CONTAINERS ===== */
.chacongreso-2026 .cha-container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; }
.chacongreso-2026 .cha-section {
  padding: clamp(4rem, 8vw, 7rem) 0;
  position: relative;
}

/* ===== SECTION-SPECIFIC BACKGROUNDS ===== */
.chacongreso-2026 #cha-sobre {
  background: linear-gradient(180deg, oklch(95% 0.01 260 / 0.25) 0%, transparent 25%, transparent 75%, oklch(95% 0.01 260 / 0.15) 100%);
}
.chacongreso-2026 #cha-porque-asistir {
  background: linear-gradient(180deg, oklch(95% 0.01 250 / 0.25) 0%, transparent 25%, transparent 75%, oklch(95% 0.01 250 / 0.15) 100%);
}
.chacongreso-2026 #cha-simposios {
  background: linear-gradient(180deg, oklch(95% 0.01 260 / 0.22) 0%, transparent 25%, transparent 75%, oklch(95% 0.01 260 / 0.13) 100%);
}
.chacongreso-2026 #cha-conferencistas {
  background: linear-gradient(180deg, oklch(95% 0.012 255 / 0.24) 0%, transparent 20%, transparent 80%, oklch(95% 0.012 255 / 0.14) 100%);
}
.chacongreso-2026 #cha-inscripciones {
  background: linear-gradient(180deg, oklch(95% 0.01 255 / 0.22) 0%, transparent 25%, transparent 75%, oklch(95% 0.01 255 / 0.13) 100%);
}
.chacongreso-2026 #cha-sede {
  background: linear-gradient(180deg, oklch(95% 0.01 260 / 0.20) 0%, transparent 25%, transparent 75%, oklch(95% 0.01 260 / 0.12) 100%);
}

/* ===== FLOATING ORBS ===== */
.chacongreso-2026 .cha-float-orbs {
  position: fixed; inset: 0; z-index: -2;
  pointer-events: none; overflow: hidden;
}
.chacongreso-2026 .cha-orb {
  position: absolute;
  border-radius: 50%;
  will-change: transform;
  backface-visibility: hidden;
}
.chacongreso-2026 .cha-orb-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, oklch(31% 0.07 265 / 0.14) 0%, transparent 70%);
  top: -10%; left: -10%;
  animation: chaOrbFloat1 20s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite;
}
.chacongreso-2026 .cha-orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, oklch(38% 0.12 265 / 0.12) 0%, transparent 70%);
  bottom: -15%; right: -10%;
  animation: chaOrbFloat2 25s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite;
}
.chacongreso-2026 .cha-orb-3 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, oklch(58% 0.14 250 / 0.10) 0%, transparent 70%);
  top: 40%; left: 20%;
  animation: chaOrbFloat3 22s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite;
}
.chacongreso-2026 .cha-orb-4 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, oklch(31% 0.05 265 / 0.08) 0%, transparent 70%);
  top: 20%; right: 15%;
  animation: chaOrbFloat4 28s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite;
}
.chacongreso-2026 .cha-orb-5 {
  width: 200px; height: 200px;
  background: radial-gradient(circle, oklch(38% 0.10 265 / 0.08) 0%, transparent 70%);
  bottom: 25%; left: 40%;
  animation: chaOrbFloat5 18s cubic-bezier(0.45, 0.05, 0.55, 0.95) infinite;
}
@keyframes chaOrbFloat1 {
  0% { transform: translate(0, 0) scale(1); }
  15% { transform: translate(60px, 40px) scale(1.06); }
  30% { transform: translate(115px, 85px) scale(1.1); }
  50% { transform: translate(65px, 155px) scale(0.95); }
  70% { transform: translate(10px, 110px) scale(1.02); }
  85% { transform: translate(-30px, 80px) scale(1.05); }
  100% { transform: translate(0, 0) scale(1); }
}
@keyframes chaOrbFloat2 {
  0% { transform: translate(0, 0) scale(1); }
  15% { transform: translate(-40px, -30px) scale(1.08); }
  30% { transform: translate(-75px, -60px) scale(1.14); }
  50% { transform: translate(-135px, -115px) scale(0.9); }
  70% { transform: translate(-90px, -90px) scale(1.02); }
  85% { transform: translate(-50px, -65px) scale(1.05); }
  100% { transform: translate(0, 0) scale(1); }
}
@keyframes chaOrbFloat3 {
  0% { transform: translate(0, 0) scale(1); }
  15% { transform: translate(30px, -40px) scale(1.04); }
  30% { transform: translate(58px, -78px) scale(1.08); }
  50% { transform: translate(-38px, -42px) scale(0.95); }
  70% { transform: translate(-18px, -10px) scale(1.02); }
  85% { transform: translate(50px, 10px) scale(1.04); }
  100% { transform: translate(0, 0) scale(1); }
}
@keyframes chaOrbFloat4 {
  0% { transform: translate(0, 0) scale(1); }
  15% { transform: translate(-25px, 20px) scale(1.06); }
  30% { transform: translate(-48px, 38px) scale(1.12); }
  50% { transform: translate(-85px, -28px) scale(1.0); }
  70% { transform: translate(-60px, -45px) scale(1.04); }
  85% { transform: translate(-35px, -55px) scale(1.07); }
  100% { transform: translate(0, 0) scale(1); }
}
@keyframes chaOrbFloat5 {
  0% { transform: translate(0, 0) scale(1); }
  15% { transform: translate(15px, -25px) scale(1.05); }
  30% { transform: translate(28px, -48px) scale(1.1); }
  50% { transform: translate(48px, -22px) scale(0.95); }
  70% { transform: translate(30px, -8px) scale(1.02); }
  85% { transform: translate(8px, 15px) scale(1.04); }
  100% { transform: translate(0, 0) scale(1); }
}

.chacongreso-2026 .cha-section-alt { background: none; }
.chacongreso-2026 .cha-section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem; line-height: 1.2;
  color: var(--accent);
  position: relative; display: inline-block;
}
.chacongreso-2026 .cha-section-subtitle {
  font-size: 1.05rem; color: var(--muted);
  max-width: 600px; margin-bottom: 3rem; line-height: 1.5;
  transition: color 0.4s ease;
}
.chacongreso-2026 .cha-subtitle-centered { text-align: center; }
.chacongreso-2026 .cha-text-center { text-align: center; }
.chacongreso-2026 .cha-text-center .cha-section-subtitle { margin-left: auto; margin-right: auto; }

/* ===== ENTRANCE ANIMATIONS (como hero - play state) ===== */
.chacongreso-2026 .cha-ent { opacity: 0; animation-fill-mode: forwards; }

.chacongreso-2026 .cha-ent-up { animation-name: chaRUp; animation-duration: 0.9s; animation-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94); animation-iteration-count: 1; }
.chacongreso-2026 .cha-ent-left { animation-name: chaRLeft; animation-duration: 0.9s; animation-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94); animation-iteration-count: 1; }
.chacongreso-2026 .cha-ent-right { animation-name: chaRRight; animation-duration: 0.9s; animation-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94); animation-iteration-count: 1; }
.chacongreso-2026 .cha-ent-scale { animation-name: chaRScale; animation-duration: 0.9s; animation-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94); animation-iteration-count: 1; }
.chacongreso-2026 .cha-ent-down { animation-name: chaRDown; animation-duration: 0.9s; animation-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94); animation-iteration-count: 1; }
.chacongreso-2026 .cha-ent-rise { animation-name: chaRiseFade; animation-duration: 1.1s; animation-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94); animation-iteration-count: 1; }
.chacongreso-2026 .cha-ent-blur { animation-name: chaSlideUpBlur; animation-duration: 1.2s; animation-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94); animation-iteration-count: 1; }
.chacongreso-2026 .cha-ent-bounce { animation-name: chaBounceIn; animation-duration: 0.9s; animation-timing-function: cubic-bezier(0.34, 1.56, 0.64, 1); animation-iteration-count: 1; }
.chacongreso-2026 .cha-ent-fade-scale { animation-name: chaFadeScale; animation-duration: 0.9s; animation-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94); animation-iteration-count: 1; }
.chacongreso-2026 .cha-ent-rotate { animation-name: chaRotateIn; animation-duration: 1s; animation-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94); animation-iteration-count: 1; }
.chacongreso-2026 .cha-ent-clip { animation-name: chaClipIn; animation-duration: 1s; animation-timing-function: cubic-bezier(0.65, 0, 0.35, 1); animation-iteration-count: 1; }
.chacongreso-2026 .cha-ent-tilt { animation-name: chaZoomTilt; animation-duration: 1s; animation-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94); animation-iteration-count: 1; }
.chacongreso-2026 .cha-ent-stagger-fade { animation-name: chaStaggerFade; animation-duration: 0.8s; animation-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94); animation-iteration-count: 1; }

.chacongreso-2026 .cha-d1 { animation-delay: 0.08s; }
.chacongreso-2026 .cha-d2 { animation-delay: 0.16s; }
.chacongreso-2026 .cha-d3 { animation-delay: 0.24s; }
.chacongreso-2026 .cha-d4 { animation-delay: 0.32s; }
.chacongreso-2026 .cha-d5 { animation-delay: 0.40s; }
.chacongreso-2026 .cha-d6 { animation-delay: 0.48s; }
.chacongreso-2026 .cha-d7 { animation-delay: 0.56s; }
.chacongreso-2026 .cha-d8 { animation-delay: 0.64s; }
.chacongreso-2026 .cha-d9 { animation-delay: 0.72s; }
.chacongreso-2026 .cha-d10 { animation-delay: 0.80s; }

@keyframes chaRUp { 0% { opacity: 0; transform: translateY(30px); } 100% { opacity: 1; transform: translateY(0); } }
@keyframes chaRLeft { 0% { opacity: 0; transform: translateX(-36px); } 100% { opacity: 1; transform: translateX(0); } }
@keyframes chaRRight { 0% { opacity: 0; transform: translateX(36px); } 100% { opacity: 1; transform: translateX(0); } }
@keyframes chaRScale { 0% { opacity: 0; transform: scale(0.96); } 100% { opacity: 1; transform: scale(1); } }
@keyframes chaRDown { 0% { opacity: 0; transform: translateY(-30px); } 100% { opacity: 1; transform: translateY(0); } }

@keyframes chaRotateIn {
  0% { opacity: 0; transform: perspective(600px) rotateX(-12deg) translateY(30px); }
  100% { opacity: 1; transform: perspective(600px) rotateX(0deg) translateY(0); }
}
@keyframes chaClipIn {
  0% { opacity: 0; clip-path: inset(0 100% 0 0); }
  100% { opacity: 1; clip-path: inset(0 0 0 0); }
}
@keyframes chaZoomTilt {
  0% { opacity: 0; transform: scale(0.88) rotate(-3deg); }
  100% { opacity: 1; transform: scale(1) rotate(0deg); }
}

/* ===== ABOUT ===== */
.chacongreso-2026 .cha-sobre-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.chacongreso-2026 .cha-sobre-text p { margin-bottom: 1.2rem; font-size: 1.05rem; color: var(--muted); line-height: 1.7; transition: color 0.4s ease; }
.chacongreso-2026 .cha-sobre-text .cha-hero-desc-lead { font-size: 1.1rem; color: var(--fg); font-weight: 500; border-left: 3px solid var(--accent); padding-left: 1rem; }
.chacongreso-2026 .cha-sobre-stats { display: grid; grid-template-columns: 1fr; gap: 1.2rem; }
.chacongreso-2026 .cha-stat-card {
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.8rem 1.5rem;
  text-align: center; transition: all 0.4s var(--ease-out-expo);
  position: relative; overflow: hidden;
  cursor: help;
}
.chacongreso-2026 .cha-stat-card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--accent-light), transparent);
  opacity: 0; transition: opacity 0.4s ease;
}
.chacongreso-2026 .cha-stat-card:hover::before { opacity: 1; }
.chacongreso-2026 .cha-stat-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px oklch(0% 0 0 / 0.06);
}
.chacongreso-2026 .cha-stat-tooltip {
  position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%);
  background: var(--fg); color: var(--bg); font-size: 0.7rem;
  padding: 0.35rem 0.8rem; border-radius: 6px; white-space: nowrap;
  opacity: 0; pointer-events: none; transition: all 0.3s ease;
  font-family: var(--font-mono);
}
.chacongreso-2026 .cha-stat-tooltip::after {
  content: ''; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  border: 5px solid transparent; border-top-color: var(--fg);
}
.chacongreso-2026 .cha-stat-card:hover .cha-stat-tooltip { opacity: 1; transform: translateX(-50%) translateY(-4px); }
.chacongreso-2026 .cha-stat-number {
  font-family: var(--font-display); font-size: 2.6rem;
  font-weight: 400; color: var(--accent); line-height: 1;
  margin-bottom: 0.3rem; position: relative;
  font-variant-numeric: tabular-nums;
  transition: color 0.4s ease;
}
.chacongreso-2026 .cha-stat-number .cha-plus { font-size: 1.4rem; vertical-align: super; }
.chacongreso-2026 .cha-stat-label { font-size: 0.82rem; color: var(--muted); line-height: 1.3; position: relative; transition: color 0.4s ease; }

/* ===== WHY ===== */
.chacongreso-2026 .cha-why-grid {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 1.5rem; margin-top: 1rem;
  max-width: 1000px; margin-left: auto; margin-right: auto;
}
.chacongreso-2026 .cha-why-card {
  flex: 0 0 calc((100% - 3rem) / 3);
  max-width: 400px; min-width: 280px;
  display: flex; gap: 1.2rem;
  contain: layout style paint;
  align-items: center;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 14px; padding: 1.8rem 1.8rem 1.8rem 1.5rem;
  transition: all 0.4s var(--ease-out-expo), background 0.4s ease, border-color 0.4s ease;
  perspective: 800px; position: relative; overflow: hidden;
}
.chacongreso-2026 .cha-why-card::before {
  content: ''; position: absolute; top: 0; left: 1.5rem; right: 1.5rem;
  height: 3px; border-radius: 0 0 3px 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transform: scaleX(0); transform-origin: 0 50%;
  transition: transform 0.5s var(--ease-out-expo);
}
.chacongreso-2026 .cha-why-card:hover::before { transform: scaleX(1); }
.chacongreso-2026 .cha-why-card .cha-glow-follower {
  position: absolute; width: 200px; height: 200px; border-radius: 50%;
  background: radial-gradient(circle, var(--accent-glow), transparent 70%);
  pointer-events: none; opacity: 0; transition: opacity 0.3s;
  transform: translate(-50%, -50%); z-index: 0;
}
.chacongreso-2026 .cha-why-card:hover .cha-glow-follower { opacity: 1; }
.chacongreso-2026 .cha-why-icon {
  width: 48px; height: 48px; border-radius: 12px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--accent-light), var(--accent));
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  transition: all 0.5s var(--ease-spring), background 0.4s ease, color 0.4s ease;
  position: relative; z-index: 1;
}
.chacongreso-2026 .cha-why-card:hover .cha-why-icon {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  transform: scale(1.1) rotate(-3deg);
  box-shadow: 0 6px 20px var(--accent-glow);
}
.chacongreso-2026 .cha-why-icon svg { width: 22px; height: 22px; }
.chacongreso-2026 .cha-why-content { flex: 1; min-width: 0; }
.chacongreso-2026 .cha-why-card h3 {
  font-family: var(--font-display); font-size: 1.15rem; font-weight: 500;
  margin-bottom: 0.5rem; transition: color 0.4s ease;
  position: relative; z-index: 1;
}
.chacongreso-2026 .cha-why-card p { font-size: 0.92rem; color: var(--muted); line-height: 1.6; transition: color 0.4s ease; position: relative; z-index: 1; }

/* ===== SIMPOSIOS CAROUSEL ===== */
.chacongreso-2026 .cha-sim-carousel-wrap { position: relative; }
.chacongreso-2026 .cha-sim-track-wrap {
  overflow: hidden;
  border-radius: 20px;
  box-shadow: 0 4px 24px oklch(0% 0 0 / 0.06);
  transition: box-shadow 0.4s ease;
}
.chacongreso-2026 .cha-sim-track-wrap:hover {
  box-shadow: 0 8px 40px oklch(0% 0 0 / 0.10);
}
.chacongreso-2026 .cha-sim-track {
  display: flex;
  transition: transform 0.6s var(--ease-out-expo);
  gap: 0;
  touch-action: pan-y;
}
.chacongreso-2026 .cha-sim-card {
  flex: 0 0 100%;
  display: grid;
  grid-template-columns: 380px 1fr;
  min-height: 440px;
  background: transparent;
  overflow: hidden;
  --sim-color: var(--accent);
}
.chacongreso-2026 .cha-sim-card-image {
  position: relative;
  overflow: hidden;
  background: transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.chacongreso-2026 .cha-sim-card-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 90% 90% at 50% 45%, oklch(58% 0.14 250 / 0.07) 0%, transparent 65%),
    radial-gradient(ellipse 60% 60% at 25% 80%, oklch(58% 0.14 250 / 0.06) 0%, transparent 60%);
  z-index: 1;
  pointer-events: none;
}
.chacongreso-2026 .cha-sim-card-image .cha-sim-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0.85;
  padding: 2.5rem;
  pointer-events: none;
  filter: drop-shadow(0 8px 24px rgba(44, 84, 161, 0.18));
}
.chacongreso-2026 .cha-sim-card-image .cha-sim-number {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 5vw, 5rem);
  font-weight: 700;
  color: var(--sim-color);
  opacity: 0.16;
  line-height: 1;
  letter-spacing: -0.04em;
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 2;
  user-select: none;
}
.chacongreso-2026 .cha-sim-card-image .cha-sim-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--sim-color);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  padding: 0.35rem 0.9rem;
  border-radius: 100px;
  border: 1px solid var(--sim-color);
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  z-index: 3;
}
.chacongreso-2026 .cha-sim-card-image .cha-sim-badge::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: oklch(72% 0.18 145);
  flex-shrink: 0;
  animation: chaLivePulse 1.5s ease-in-out infinite;
}
.chacongreso-2026 .cha-sim-deco-line {
  position: absolute;
  width: 1px;
  height: 40%;
  background: linear-gradient(to bottom, transparent, oklch(58% 0.14 250 / 0.18), transparent);
  top: 30%;
  right: 0;
  z-index: 2;
}
.chacongreso-2026 .cha-sim-deco-circle {
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 1px solid var(--sim-color);
  top: -30px;
  right: -60px;
  z-index: 1;
  pointer-events: none;
  animation: chaSpinGlow 20s linear infinite;
}
.chacongreso-2026 .cha-sim-deco-circle2 {
  width: 300px;
  height: 300px;
  bottom: -80px;
  left: -100px;
  top: auto;
  right: auto;
  animation: chaSpinGlow 25s linear infinite reverse;
}
.chacongreso-2026 .cha-sim-card-content {
  padding: 2.5rem 2.5rem 2.5rem 2.2rem;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  background: linear-gradient(135deg, oklch(99% 0.006 260) 0%, oklch(96% 0.01 260) 55%, oklch(93% 0.02 260) 100%);
  border-radius: 0 20px 20px 0;
}
.chacongreso-2026 .cha-sim-card-content .cha-sim-category {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--sim-color);
  font-family: var(--font-display);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.chacongreso-2026 .cha-sim-card-content .cha-sim-category::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
  max-width: 40px;
}
.chacongreso-2026 .cha-sim-card-content h3 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 0.7rem;
  color: var(--fg);
}
.chacongreso-2026 .cha-sim-card-content > p {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 0.9rem;
}
.chacongreso-2026 .cha-sim-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 0.5rem;
}
.chacongreso-2026 .cha-sim-tag {
  font-size: 0.72rem;
  padding: 0.18rem 0.65rem;
  border-radius: 100px;
  transition: all 0.2s ease;
}
.chacongreso-2026 .cha-sim-tag.-speaker {
  background: var(--accent-light);
  color: var(--accent);
}
.chacongreso-2026 .cha-sim-tag.-speaker:hover { background: var(--accent); color: #fff; transform: translateY(-1px); }
.chacongreso-2026 .cha-sim-tag.-topic {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
}
.chacongreso-2026 .cha-sim-tag.-topic:hover { border-color: var(--accent); color: var(--accent); }
.chacongreso-2026 .cha-sim-ideal {
  font-size: 0.78rem;
  color: var(--muted);
  font-style: italic;
  margin-top: auto;
  padding-top: 0.8rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
}
.chacongreso-2026 .cha-sim-ideal strong {
  font-style: normal;
  color: var(--fg);
}
.chacongreso-2026 .cha-sim-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.5rem;
  gap: 1.2rem;
}
.chacongreso-2026 .cha-sim-progress-track {
  flex: 1;
  height: 3px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}
.chacongreso-2026 .cha-sim-progress-bar {
  height: 100%;
  width: 10%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 4px;
  transition: width 0.5s var(--ease-out-expo);
}
.chacongreso-2026 .cha-sim-arrows {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.chacongreso-2026 .cha-sim-nav-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.4s var(--ease-spring);
  flex-shrink: 0;
}
.chacongreso-2026 .cha-sim-nav-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
  transform: scale(1.08);
}
.chacongreso-2026 .cha-sim-nav-btn:active { transform: scale(0.95); }
.chacongreso-2026 .cha-sim-nav-btn svg { width: 18px; height: 18px; }
.chacongreso-2026 .cha-sim-counter {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--accent);
  min-width: 3.6rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

/* ===== SLIDER ===== */
.chacongreso-2026 .cha-speakers-section {
  padding: clamp(4rem, 8vw, 7rem) 0;
  background: linear-gradient(to bottom, transparent 0%, oklch(97% 0.008 260 / 0.55) 12%, oklch(97% 0.008 260 / 0.55) 88%, transparent 100%);
  position: relative;
  overflow: hidden;
}
.chacongreso-2026 .cha-speakers-section::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 60%;
  height: 80%;
  background: radial-gradient(ellipse, oklch(58% 0.14 250 / 0.05) 0%, transparent 70%);
  pointer-events: none;
}
.chacongreso-2026 .cha-speakers-header { text-align: center; margin-bottom: 3.5rem; }
.chacongreso-2026 .cha-speakers-header h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.15;
  margin-bottom: 0.8rem;
  color: var(--fg);
}
.chacongreso-2026 .cha-speakers-header p {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.6;
  text-align: center;
}
.chacongreso-2026 .cha-speakers-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  background: var(--accent-light);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.2rem;
}
.chacongreso-2026 .cha-speakers-badge::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: chaPulse 1.5s ease-in-out infinite;
}
@keyframes chaPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}
.slider-wrapper { position: relative; overflow: hidden; }
.slider-track { display: flex; transition: transform .5s cubic-bezier(.25,.46,.45,.94); }
.slide {
  min-width: 100%;
  display: grid;
  grid-template-columns: repeat(4,1fr);
  grid-template-rows: repeat(2,auto);
  gap: 1.5rem;
  padding: 0 4px;
}
.slide.active .cha-speaker-card {
  animation: chaCardSlideIn .45s var(--ease-spring) backwards;
}
.slide.active .cha-speaker-card:nth-child(1) { animation-delay: 0s; }
.slide.active .cha-speaker-card:nth-child(2) { animation-delay: 0.03s; }
.slide.active .cha-speaker-card:nth-child(3) { animation-delay: 0.06s; }
.slide.active .cha-speaker-card:nth-child(4) { animation-delay: 0.09s; }
.slide.active .cha-speaker-card:nth-child(5) { animation-delay: 0.12s; }
.slide.active .cha-speaker-card:nth-child(6) { animation-delay: 0.15s; }
.slide.active .cha-speaker-card:nth-child(7) { animation-delay: 0.18s; }
.slide.active .cha-speaker-card:nth-child(8) { animation-delay: 0.21s; }
@keyframes chaCardSlideIn {
  from { opacity: 0; transform: translateX(40px) scale(.96); }
  to { opacity: 1; transform: translateX(0) scale(1); }
}
.empty-cell { visibility: hidden; pointer-events: none; }
.chacongreso-2026 .cha-speaker-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem 1.2rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.chacongreso-2026 .cha-speaker-card:hover {
  transform: perspective(600px) rotateX(var(--tilt-y, 0deg)) rotateY(var(--tilt-x, 0deg)) translateY(-4px) scale(1.02);
  border-color: var(--accent);
  box-shadow: 0 12px 40px var(--accent-glow);
}
.chacongreso-2026 .cha-speaker-card:hover .cha-speaker-img { transform: scale(1.08); }
.chacongreso-2026 .cha-speaker-img-wrap {
  width: 160px; height: 160px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 16px;
  border: 3px solid var(--border);
  transition: border-color .3s;
  position: relative;
}
.chacongreso-2026 .cha-speaker-card:hover .cha-speaker-img-wrap { border-color: var(--accent); }
.chacongreso-2026 .cha-speaker-img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform .4s ease;
}
.chacongreso-2026 .cha-speaker-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-weight: 700; font-size: 1.8rem;
}
.chacongreso-2026 .cha-speaker-card h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 4px;
  color: var(--fg);
  transition: color .3s ease;
}
.chacongreso-2026 .cha-speaker-card:hover h4 { color: var(--accent); }
.chacongreso-2026 .cha-speaker-card .cha-speaker-role {
  font-size: .85rem;
  color: var(--muted);
  line-height: 1.3;
  transition: color .3s;
}
.chacongreso-2026 .cha-speaker-card:hover .cha-speaker-role { color: var(--fg); }
.slider-nav {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin-top: 2.5rem;
}
.slider-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  font-size: 1.2rem;
  cursor: pointer;
  transition: all .3s;
  display: flex; align-items: center; justify-content: center;
}
.slider-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.slider-btn:disabled { opacity: .3; cursor: not-allowed; }
.slider-pages {
  color: var(--muted);
  font-size: .95rem;
  font-weight: 500;
  min-width: 50px;
  text-align: center;
  letter-spacing: 1px;
}

/* ===== MODAL ===== */
.chacongreso-2026 .cha-speaker-modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: oklch(0% 0 0 / 0.45);
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
  padding: 1.5rem;
}
.chacongreso-2026 .cha-speaker-modal-overlay.open { display: flex; }
.chacongreso-2026 .cha-speaker-modal {
  background: var(--bg);
  border-radius: 20px;
  max-width: 680px;
  width: 100%;
  padding: 2.5rem 2rem;
  position: relative;
  animation: modalIn .3s ease;
  box-shadow: 0 40px 80px oklch(0% 0 0 / 0.3);
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(.92) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.chacongreso-2026 .cha-speaker-modal-close {
  position: absolute; top: 1rem; right: 1rem; z-index: 5;
  width: 36px; height: 36px; border-radius: 50%;
  border: none; background: var(--surface);
  color: var(--fg); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all .3s;
}
.chacongreso-2026 .cha-speaker-modal-close:hover {
  background: var(--accent); color: #fff; transform: rotate(90deg);
}
.chacongreso-2026 .cha-speaker-modal-close svg { width: 18px; height: 18px; }
.chacongreso-2026 .cha-modal-content { display: flex; gap: 2rem; align-items: flex-start; }
.chacongreso-2026 .cha-speaker-modal-img {
  width: 300px; height: 300px;
  min-width: 300px;
  border-radius: 12px;
  overflow: hidden;
  border: 3px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
}
.chacongreso-2026 .cha-speaker-modal-img img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.chacongreso-2026 .cha-speaker-modal-img .cha-modal-avatar-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-weight: 700; font-size: 2rem;
}
.chacongreso-2026 .cha-speaker-modal-body { flex: 1; text-align: left; display: flex; flex-direction: column; gap: .8rem; }
.chacongreso-2026 .cha-speaker-modal-body .cha-modal-specialty {
  display: inline-block;
  font-size: .82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--accent);
  background: var(--accent-light);
  padding: .3rem .8rem;
  border-radius: 100px;
  align-self: flex-start;
}
.chacongreso-2026 .cha-speaker-modal-body .cha-modal-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--fg);
}
.chacongreso-2026 .cha-speaker-modal-body .cha-modal-bio {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--muted);
  text-align: justify;
}
@media(max-width: 768px) {
  .slide { grid-template-columns: repeat(2,1fr); gap: .6rem; }
  .empty-cell { display: none; }
  .chacongreso-2026 .cha-speaker-card { padding: .8rem .6rem; }
  .chacongreso-2026 .cha-speaker-img-wrap { width: 60px; height: 60px; border-width: 2px; }
  .chacongreso-2026 .cha-speaker-card h4 { font-size: .8rem; }
  .chacongreso-2026 .cha-speaker-card .cha-speaker-role { font-size: .68rem; }
  .chacongreso-2026 .cha-modal-content { flex-direction: column; align-items: center; }
  .chacongreso-2026 .cha-speaker-modal-img { width: 200px; height: 200px; min-width: unset; }
  .chacongreso-2026 .cha-speaker-modal-body { text-align: center; }
  .chacongreso-2026 .cha-speaker-modal-body .cha-modal-bio { text-align: left; }
  .chacongreso-2026 .cha-speaker-modal-body .cha-modal-name { font-size: 1.3rem; }
  .chacongreso-2026 .cha-speaker-modal-body .cha-modal-bio { font-size: .95rem; }
  .slider-btn { width: 36px; height: 36px; font-size: 1rem; }
}
@media(max-width: 480px) {
  .slide { gap: .6rem; }
  .empty-cell { display: none; }
  .chacongreso-2026 .cha-speaker-card { padding: .8rem .6rem; }
  .chacongreso-2026 .cha-speaker-img-wrap { width: 60px; height: 60px; }
  .chacongreso-2026 .cha-speaker-card h4 { font-size: .72rem; }
  .chacongreso-2026 .cha-speaker-card .cha-speaker-role { font-size: .62rem; }
  .chacongreso-2026 .cha-speakers-header h2 { font-size: 1.4rem; }
  .chacongreso-2026 .cha-speaker-modal { padding: 1.5rem 1rem; }
  .chacongreso-2026 .cha-speaker-modal-img { width: 160px; height: 160px; }
  .slider-nav { gap: 12px; }
  .slider-btn { width: 32px; height: 32px; font-size: .9rem; }
}

/* ===== LIVE COUNTER ===== */
.chacongreso-2026 .cha-live-counter {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.5rem 1.2rem; border-radius: 100px;
  background: var(--surface); border: 1px solid var(--border);
  font-size: 0.85rem; color: var(--muted);
  margin-bottom: 2.5rem;
}
.chacongreso-2026 .cha-live-counter-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: oklch(38% 0.12 265);
  animation: chaLivePulse 1.5s ease-in-out infinite, chaBounceDot 1.5s ease-in-out infinite;
}
@keyframes chaLivePulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.3); } }
.chacongreso-2026 .cha-live-counter-num { font-family: var(--font-display); color: var(--accent); font-variant-numeric: tabular-nums; font-weight: 500; }

/* ===== INSCRIPCIONES ===== */
.chacongreso-2026 .cha-inscripciones-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  margin-top: 2.5rem;
}
.chacongreso-2026 .cha-inscripciones-card {
  flex: 0 0 440px;
  max-width: 100%;
}
.chacongreso-2026 .cha-inscripciones-image {
  flex: 0 0 380px;
  max-width: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 2rem;
  isolation: isolate;
}
.chacongreso-2026 .cha-inscripciones-image::before {
  content: '';
  position: absolute;
  inset: -10%;
  z-index: -1;
  background: radial-gradient(ellipse 65% 65% at 50% 50%, oklch(31% 0.07 265 / 0.95) 0%, oklch(25% 0.06 265 / 0.65) 42%, transparent 72%);
  pointer-events: none;
}
.chacongreso-2026 .cha-inscripciones-image img {
  width: 100%;
  height: auto;
  display: block;
  position: relative;
}

/* ===== PRICING ===== */
.chacongreso-2026 .cha-pricing-grid {
  display: flex;
  justify-content: center;
  gap: 2rem;
}
.chacongreso-2026 .cha-pricing-card {
  flex: 0 0 440px;
  max-width: 100%;
  contain: layout style paint;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 12px; padding: 2.5rem 2rem;
  transition: all 0.5s var(--ease-out-expo), background 0.4s ease, border-color 0.4s ease;
  position: relative;
}
.chacongreso-2026 .cha-pricing-card.featured {
  box-shadow: 0 0 0 1px var(--accent), 0 8px 30px var(--accent-glow);
  background: linear-gradient(var(--bg), var(--bg)) padding-box,
    linear-gradient(135deg, var(--accent), var(--accent2), var(--accent3), var(--accent)) border-box;
  border: 2px solid transparent;
  background-size: 300% 300%;
  animation: chaGradientShift 4s ease infinite;
}
.chacongreso-2026 .cha-pricing-card.featured::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(110deg, transparent 30%, oklch(100% 0 0 / 0.08) 50%, transparent 70%);
  background-size: 200% 100%;
  animation: chaShineSweep 4s ease-in-out infinite;
  pointer-events: none;
  border-radius: 12px;
}
.chacongreso-2026 .cha-pricing-card h3 {
  font-family: var(--font-display); font-size: 1.3rem; font-weight: 500;
  margin-bottom: 0.3rem; transition: color 0.4s ease;
}
.chacongreso-2026 .cha-pricing-desc { font-size: 0.92rem; color: var(--muted); margin-bottom: 1.5rem; line-height: 1.4; transition: color 0.4s ease; }
.chacongreso-2026 .cha-pricing-price {
  font-family: var(--font-display); font-size: 2.4rem;
  font-weight: 400; color: var(--accent); margin-bottom: 1.5rem;
  transition: color 0.4s ease;
}
.chacongreso-2026 .cha-pricing-features { list-style: none; margin-bottom: 2rem; }
.chacongreso-2026 .cha-pricing-features li {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.4rem 0; font-size: 0.92rem;
  transition: transform 0.3s ease;
  animation: chaSlideUpBlur 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
  opacity: 0;
}
.chacongreso-2026 .cha-pricing-features li:nth-child(1) { animation-delay: 0.05s; }
.chacongreso-2026 .cha-pricing-features li:nth-child(2) { animation-delay: 0.1s; }
.chacongreso-2026 .cha-pricing-features li:nth-child(3) { animation-delay: 0.15s; }
.chacongreso-2026 .cha-pricing-features li:nth-child(4) { animation-delay: 0.2s; }
.chacongreso-2026 .cha-pricing-features li:nth-child(5) { animation-delay: 0.25s; }
.chacongreso-2026 .cha-pricing-features li:hover { transform: translateX(4px); }
.chacongreso-2026 .cha-pricing-features li svg {
  width: 16px; height: 16px; color: var(--accent); flex-shrink: 0;
  transition: color 0.4s ease;
}
.chacongreso-2026 .cha-pricing-card .cha-btn { width: 100%; justify-content: center; }
.chacongreso-2026 .cha-pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 60px oklch(0% 0 0 / 0.08), 0 4px 16px var(--accent-glow);
}

/* ===== SEDE ===== */
.chacongreso-2026 .cha-sede-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  border-radius: 20px;
  overflow: hidden;
  background: var(--bg);
  border: 1px solid var(--border);
  box-shadow: 0 4px 24px oklch(0% 0 0 / 0.04);
  transition: box-shadow 0.4s ease, border-color 0.4s ease;
  min-height: 520px;
}
.chacongreso-2026 .cha-sede-card:hover {
  box-shadow: 0 12px 48px oklch(0% 0 0 / 0.08);
  border-color: var(--accent);
}
.chacongreso-2026 .cha-sede-map {
  position: relative;
  overflow: hidden;
  min-height: 520px;
  isolation: isolate;
}
.chacongreso-2026 .cha-sede-map iframe {
  position: absolute; inset: -10%;
  width: 120%; height: 120%;
  border: none;
  filter: grayscale(0.25) contrast(1.08) brightness(1.02) saturate(0.6);
  transition: filter 0.6s ease;
  z-index: 1;
  pointer-events: none;
}
.chacongreso-2026 .cha-sede-card:hover .cha-sede-map iframe {
  filter: grayscale(0.1) contrast(1.1) brightness(1.04) saturate(0.8);
}
.chacongreso-2026 .cha-sede-map-fog {
  position: absolute; inset: 0; z-index: 2;
  background:
    linear-gradient(to right, oklch(97% 0.01 260 / 0.92) 0%, oklch(97% 0.01 260 / 0.3) 40%, transparent 70%),
    linear-gradient(to bottom, oklch(97% 0.01 260 / 0.6) 0%, transparent 30%, transparent 70%, oklch(97% 0.01 260 / 0.6) 100%);
  pointer-events: none;
}
.chacongreso-2026 .cha-sede-map-pin-wrapper {
  position: absolute;
  z-index: 3;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
}
.chacongreso-2026 .cha-sede-map-pin {
  width: 28px; height: 28px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 10px oklch(58% 0.14 250 / 0.2), 0 4px 20px oklch(0% 0 0 / 0.2);
  animation: chaSedePinPulse 2.5s ease-in-out infinite;
  position: relative;
}
.chacongreso-2026 .cha-sede-map-pin::after {
  content: '';
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 10px; height: 10px;
  background: #fff;
  border-radius: 50%;
  opacity: 0.9;
}
@keyframes chaSedePinPulse {
  0%, 100% { box-shadow: 0 0 0 10px oklch(58% 0.14 250 / 0.2), 0 4px 20px oklch(0% 0 0 / 0.2); }
  50% { box-shadow: 0 0 0 22px transparent, 0 4px 24px oklch(0% 0 0 / 0.15); }
}
.chacongreso-2026 .cha-sede-map-label {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--bg);
  padding: 0.3rem 0.9rem;
  border-radius: 100px;
  border: 1px solid var(--border);
  white-space: nowrap;
  font-family: var(--font-mono);
}
.chacongreso-2026 .cha-sede-map-badge {
  position: absolute;
  top: 1.5rem; left: 1.5rem;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  color: var(--muted);
  background: var(--bg);
  padding: 0.4rem 1rem;
  border-radius: 100px;
  border: 1px solid var(--border);
}
.chacongreso-2026 .cha-sede-map-badge::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: oklch(38% 0.12 265);
  animation: chaSedeLiveDot 1.5s ease-in-out infinite;
}
@keyframes chaSedeLiveDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.5); }
}
.chacongreso-2026 .cha-sede-info {
  padding: 2.8rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--bg);
  position: relative;
}
.chacongreso-2026 .cha-sede-info::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent2), transparent);
  opacity: 0.6;
}
.chacongreso-2026 .cha-sede-info .cha-sede-tag {
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-family: var(--font-mono);
  color: var(--accent);
  margin-bottom: 0.6rem;
}
.chacongreso-2026 .cha-sede-info h3 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 500;
  line-height: 1.15;
  margin-bottom: 0.3rem;
  color: var(--fg);
  letter-spacing: -0.02em;
}
.chacongreso-2026 .cha-sede-info .cha-sede-sub {
  font-family: var(--font-display);
  font-size: clamp(0.9rem, 1.1vw, 1.05rem);
  color: var(--accent2);
  margin-bottom: 1.2rem;
  font-weight: 400;
  letter-spacing: -0.01em;
}
.chacongreso-2026 .cha-sede-info > p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 1.8rem;
}
.chacongreso-2026 .cha-sede-meta {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin-bottom: 1.8rem;
}
.chacongreso-2026 .cha-sede-meta-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.88rem;
  color: var(--fg);
  line-height: 1.4;
}
.chacongreso-2026 .cha-sede-meta-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--accent);
  opacity: 0.7;
}
.chacongreso-2026 .cha-sede-meta-item span {
  color: var(--muted);
  font-size: 0.82rem;
}
.chacongreso-2026 .cha-sede-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  padding: 0.6rem 1.4rem;
  border: 1.5px solid var(--border);
  border-radius: 100px;
  transition: all 0.35s var(--ease-out-expo);
  align-self: flex-start;
}
.chacongreso-2026 .cha-sede-btn:hover {
  border-color: var(--accent);
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px var(--accent-glow);
}
.chacongreso-2026 .cha-sede-btn svg {
  width: 14px;
  height: 14px;
  transition: transform 0.3s ease;
}
.chacongreso-2026 .cha-sede-btn:hover svg { transform: translateX(3px); }
.chacongreso-2026 .cha-sede-card.cha-r-visible .cha-sede-meta-item {
  opacity: 0;
  transform: translateX(-14px);
  transition: opacity 0.6s var(--ease-smooth), transform 0.6s var(--ease-smooth);
}
.chacongreso-2026 .cha-sede-card.cha-r-visible .cha-sede-meta-item:nth-child(1) { opacity:1; transform:none; transition-delay:0.15s; }
.chacongreso-2026 .cha-sede-card.cha-r-visible .cha-sede-meta-item:nth-child(2) { opacity:1; transform:none; transition-delay:0.28s; }
.chacongreso-2026 .cha-sede-card.cha-r-visible .cha-sede-meta-item:nth-child(3) { opacity:1; transform:none; transition-delay:0.41s; }

/* ===== VALORES SIMPOSIO ===== */
.chacongreso-2026 .cha-valores-track-wrap {
  margin-top: 2.5rem;
}
.chacongreso-2026 .cha-valores-track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.chacongreso-2026 .cha-valor-slide {
  display: flex;
}
.chacongreso-2026 .cha-valor-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.25rem 1.25rem 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
  display: flex;
  flex-direction: column;
  cursor: default;
  width: 100%;
}
.chacongreso-2026 .cha-valor-card:hover {
  border-color: #89C2DF;
  box-shadow: 0 4px 20px rgba(44, 84, 161, 0.08);
  transform: translateY(-2px);
}
.chacongreso-2026 .cha-valor-icon {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  line-height: 1;
}
.chacongreso-2026 .cha-valor-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--fg);
  line-height: 1.4;
  flex: 1;
}
.chacongreso-2026 .cha-valor-footer {
  margin-top: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.65rem;
  border-top: 1px solid var(--surface);
}
.chacongreso-2026 .cha-valor-label {
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.chacongreso-2026 .cha-valor-price {
  background: var(--surface);
  border-radius: 8px;
  padding: 0.25rem 0.7rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
}
.chacongreso-2026 .cha-valores-controls {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.5rem;
}
.chacongreso-2026 .cha-valores-progress-track {
  flex: 1;
  height: 3px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.chacongreso-2026 .cha-valores-progress-bar {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width 0.5s var(--ease-out-expo);
}
.chacongreso-2026 .cha-valores-arrows {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.chacongreso-2026 .cha-valores-nav-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  background: var(--bg);
  color: var(--fg);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.4s var(--ease-spring);
  flex-shrink: 0;
}
.chacongreso-2026 .cha-valores-nav-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-light);
  transform: scale(1.08);
}
.chacongreso-2026 .cha-valores-nav-btn:active {
  transform: scale(0.95);
}
.chacongreso-2026 .cha-valores-nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}
.chacongreso-2026 .cha-valores-nav-btn svg {
  width: 18px;
  height: 18px;
}
.chacongreso-2026 .cha-valores-counter {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--accent);
  min-width: 3.6rem;
  text-align: center;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

/* ===== SCROLLBAR ===== */
.chacongreso-2026 ::-webkit-scrollbar { width: 5px; }
.chacongreso-2026 ::-webkit-scrollbar-track { background: var(--bg); }
.chacongreso-2026 ::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.chacongreso-2026 ::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ===== FOOTER ===== */
.chacongreso-2026 .cha-footer {
  background: var(--fg);
  color: oklch(70% 0.02 260);
  padding: 1.5rem;
  font-size: 0.82rem;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.9s var(--ease-smooth), transform 0.9s var(--ease-smooth), background 0.4s ease, color 0.4s ease;
}
.chacongreso-2026 .cha-footer.cha-r-visible {
  opacity: 1;
  transform: none;
}
.chacongreso-2026 .cha-footer p { opacity: 0.6; margin: 0; }
.chacongreso-2026 .cha-footer.cha-r-visible p { animation: chaHeartbeat 3s ease-in-out 2s infinite; }

/* ===== BACK TO TOP ===== */
.chacongreso-2026 #cha-back-to-top {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 90;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--accent); color: #fff; border: none;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px oklch(0% 0 0 / 0.15);
  transition: all 0.4s var(--ease-out-expo), background 0.4s ease;
  opacity: 0; transform: translateY(20px); pointer-events: none;
}
.chacongreso-2026 #cha-back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: auto; }
.chacongreso-2026 #cha-back-to-top:hover { transform: translateY(-4px); box-shadow: 0 8px 30px oklch(0% 0 0 / 0.2); }
.chacongreso-2026 #cha-back-to-top svg { width: 18px; height: 18px; }

/* ===== PROGRAMAS ===== */
.chacongreso-2026 #cha-programas .cha-container { padding-bottom: 0; }

.chacongreso-2026 .cha-prog-wrapper {
  position: relative;
  width: 100%;
  max-width: 1280px;
  margin: 2.5rem auto;
  padding: 3rem 2rem;
  background: oklch(98% 0.008 260 / 0.5);
  border-radius: 32px;
  border: 1px solid var(--border);
  box-shadow: 0 4px 20px oklch(0% 0 0 / 0.03);
}
.chacongreso-2026 .cha-prog-wrapper::before {
  content: '';
  position: absolute;
  top: -30%; right: -10%;
  width: 50%; height: 80%;
  background: radial-gradient(ellipse, oklch(58% 0.14 250 / 0.06) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
}
.chacongreso-2026 .cha-prog-wrapper::after {
  content: '';
  position: absolute;
  bottom: -20%; left: -8%;
  width: 40%; height: 60%;
  background: radial-gradient(ellipse, oklch(38% 0.12 265 / 0.05) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
}
.chacongreso-2026 .cha-prog-wrapper .cha-prog-track {
  position: relative; z-index: 1;
}

.chacongreso-2026 .cha-prog-card {
  appearance: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-family: var(--font-body);
  min-width: 0;
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  aspect-ratio: 3 / 4;
  display: block;
  color: #fff;
  background: oklch(31% 0.07 265);
  box-shadow: 0 8px 28px oklch(0% 0 0 / 0.07), 0 2px 6px oklch(0% 0 0 / 0.04);
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.5s cubic-bezier(0.16, 1, 0.3, 1);
  outline: 1px solid oklch(100% 0 0 / 0.08);
  outline-offset: -1px;
}
.chacongreso-2026 .cha-prog-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent3), var(--accent));
  z-index: 3;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.chacongreso-2026 .cha-prog-card:hover::before { opacity: 1; }
.chacongreso-2026 .cha-prog-card:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 28px 56px oklch(0% 0 0 / 0.16), 0 8px 20px oklch(0% 0 0 / 0.08);
  outline-color: oklch(58% 0.14 250 / 0.2);
}
.chacongreso-2026 .cha-prog-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.chacongreso-2026 .cha-prog-card-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.chacongreso-2026 .cha-prog-card:hover .cha-prog-card-bg {
  transform: scale(1.1);
}

.chacongreso-2026 .cha-prog-card-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 2;
  padding: 0.6rem 1rem 0.7rem;
  font-family: var(--font-display);
  font-size: .82rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(transparent, oklch(0% 0 0 / 0.7));
  text-align: left;
  line-height: 1.3;
  pointer-events: none;
}

.chacongreso-2026 .cha-prog-card-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(150deg, oklch(55% 0.06 265 / 0.85), oklch(40% 0.05 265 / 0.9));
  opacity: 0;
  transition: opacity 0.4s ease;
}
.chacongreso-2026 .cha-prog-card:hover .cha-prog-card-overlay {
  opacity: 1;
}
.chacongreso-2026 .cha-prog-card-overlay span {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 0.6rem 1.2rem;
  border: 1.5px solid oklch(100% 0 0 / 0.35);
  border-radius: 100px;
  backdrop-filter: blur(4px);
  transition: background 0.3s, border-color 0.3s;
}
.chacongreso-2026 .cha-prog-card:hover .cha-prog-card-overlay span {
  background: oklch(100% 0 0 / 0.1);
  border-color: oklch(100% 0 0 / 0.5);
}

.chacongreso-2026 .cha-prog-card-last {
  grid-column: 1 / -1;
  justify-self: center;
  align-self: center;
  width: calc((100% - 4.5rem) / 4);
}

.chacongreso-2026 .cha-prog-modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: oklch(95% 0.005 260 / 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.35s ease;
  padding: 2rem;
}
.chacongreso-2026 .cha-prog-modal-overlay.active { opacity: 1; pointer-events: auto; }
.chacongreso-2026 .cha-prog-modal-container {
  position: relative;
  width: 100%; max-width: 1100px;
  height: 85vh; max-height: 800px;
  background: #fff;
  border-radius: 20px;
  box-shadow: 0 32px 64px oklch(0% 0 0 / 0.2);
  display: flex; flex-direction: column;
  overflow: hidden;
  transform: translateY(20px) scale(0.97);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.chacongreso-2026 .cha-prog-modal-overlay.active .cha-prog-modal-container {
  transform: translateY(0) scale(1);
}
.chacongreso-2026 .cha-prog-modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.5rem;
  background: #fff;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.chacongreso-2026 .cha-prog-modal-header-left {
  display: flex; align-items: center; gap: 0.75rem;
  min-width: 0;
}
.chacongreso-2026 .cha-prog-modal-icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.chacongreso-2026 .cha-prog-modal-icon svg { width: 16px; height: 16px; color: #fff; }
.chacongreso-2026 .cha-prog-modal-title {
  font-family: var(--font-display);
  font-size: 1.05rem; font-weight: 600;
  color: var(--fg);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.chacongreso-2026 .cha-prog-modal-close {
  appearance: none; border: none;
  background: oklch(92% 0.01 260);
  color: var(--muted);
  cursor: pointer; width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.25s ease;
  flex-shrink: 0;
}
.chacongreso-2026 .cha-prog-modal-close:hover {
  background: #e74c3c; color: #fff;
  transform: rotate(90deg);
}
.chacongreso-2026 .cha-prog-modal-close svg { width: 18px; height: 18px; }
.chacongreso-2026 .cha-prog-modal-frame {
  flex: 1; min-height: 0;
  overflow-y: auto; -webkit-overflow-scrolling: touch;
  background: #f0edf2;
}
.chacongreso-2026 .cha-prog-modal-frame iframe { width: 100%; height: 100%; border: 0; display: block; }

@media(max-width: 720px) {
  .chacongreso-2026 .cha-prog-modal-overlay { padding: 0.75rem; align-items: center; }
  .chacongreso-2026 .cha-prog-modal-container { height: 85vh; max-height: calc(100dvh - 3rem); border-radius: 14px; }
  .chacongreso-2026 .cha-prog-modal-header { padding: 0.8rem 1rem; }
  .chacongreso-2026 .cha-prog-modal-frame { overflow-y: auto; -webkit-overflow-scrolling: touch; }
}

@media(max-width: 1100px) {
  .chacongreso-2026 .cha-prog-wrapper { padding: 2.5rem 1.5rem; }
}
@media(max-width: 768px) {
  .chacongreso-2026 .cha-prog-wrapper { padding: 2rem 1.25rem; border-radius: 24px; }
}
@media(max-width: 500px) {
  .chacongreso-2026 .cha-prog-wrapper { padding: 1.5rem 1rem; border-radius: 18px; }
  .chacongreso-2026 .cha-prog-wrapper::before,
  .chacongreso-2026 .cha-prog-wrapper::after { display: none; }
  .chacongreso-2026 .cha-prog-carousel { overflow: hidden; }
  .chacongreso-2026 .cha-prog-track {
    display: flex;
    transition: transform 0.5s var(--ease-out-expo);
    gap: 0;
  }
  .chacongreso-2026 .cha-prog-card { flex: 0 0 100%; aspect-ratio: 3 / 4; min-height: 200px; }
  .chacongreso-2026 .cha-prog-card-title { font-size: 0.9rem; padding: 0.25rem 1rem 0.75rem; }
  .chacongreso-2026 .cha-prog-card-num { font-size: 0.8rem; padding: 1rem 1rem 0; }
  .chacongreso-2026 .cha-prog-modal-icon { display: none; }
  .chacongreso-2026 .cha-prog-carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1.5rem;
    position: relative;
    z-index: 1;
  }
  .chacongreso-2026 .cha-prog-nav-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1.5px solid var(--border);
    background: var(--bg);
    color: var(--fg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.4s var(--ease-spring);
    flex-shrink: 0;
  }
  .chacongreso-2026 .cha-prog-nav-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-light);
    transform: scale(1.08);
  }
  .chacongreso-2026 .cha-prog-nav-btn:active { transform: scale(0.95); }
  .chacongreso-2026 .cha-prog-nav-btn svg { width: 18px; height: 18px; }
  .chacongreso-2026 .cha-prog-counter {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--accent);
    min-width: 3.6rem;
    text-align: center;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.04em;
  }
}
@media(min-width: 501px) {
  .chacongreso-2026 .cha-prog-carousel-controls { display: none; }
  .chacongreso-2026 .cha-prog-track {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }
}
@media(max-width: 1100px) and (min-width: 501px) {
  .chacongreso-2026 .cha-prog-track { grid-template-columns: repeat(3, 1fr); }
  .chacongreso-2026 .cha-prog-card-last {
    grid-column: auto;
    justify-self: auto;
    align-self: auto;
    max-width: none;
  }
}
@media(max-width: 768px) and (min-width: 501px) {
  .chacongreso-2026 .cha-prog-track { grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
  .chacongreso-2026 .cha-prog-card-last {
    grid-column: 1 / -1;
    justify-self: center;
    align-self: center;
    width: calc((100% - 1.25rem) / 2);
  }
}

/* ===== AMBIENT BG ===== */
.chacongreso-2026 .cha-ambient-bg {
  position: fixed; inset: 0; z-index: 0;
  pointer-events: none;
  will-change: background;
}

/* ===== KEYFRAMES ===== */
@keyframes chaFloat {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}
@keyframes chaFloatAlt {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  33% { transform: translateY(-6px) rotate(0.3deg); }
  66% { transform: translateY(-3px) rotate(-0.3deg); }
}
@keyframes chaGlow {
  0%, 100% { box-shadow: 0 4px 20px var(--accent-glow); }
  50% { box-shadow: 0 8px 40px var(--accent-glow), 0 0 0 4px var(--accent-light); }
}
@keyframes chaSlideIn {
  from { opacity: 0; transform: translateX(-8px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes chaScaleIn {
  from { opacity: 0; transform: scale(0.85); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes chaGradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes chaBreathingGlow {
  0%, 100% { filter: blur(90px) brightness(1); }
  50% { filter: blur(100px) brightness(1.15); }
}
@keyframes chaWobble {
  0%, 100% { transform: rotate(0deg) scale(1); }
  25% { transform: rotate(-2deg) scale(1.02); }
  75% { transform: rotate(2deg) scale(1.02); }
}
@keyframes chaShimmerText {
  0% { background-position: -300% center; }
  100% { background-position: 0% center; }
}
@keyframes chaPulseShadow {
  0%, 100% { box-shadow: 0 4px 20px var(--accent-glow); }
  50% { box-shadow: 0 8px 40px var(--accent-glow), 0 0 0 6px var(--accent-light); }
}
@keyframes chaSway {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(6px); }
}
@keyframes chaGradientBg {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes chaRiseFade {
  0% { opacity: 0; transform: translateY(30px) scale(0.98); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes chaShineSweep {
  0% { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}
@keyframes chaBounceDot {
  0%, 100% { transform: translateY(0) scale(1); opacity: 0.5; }
  50% { transform: translateY(-10px) scale(1.3); opacity: 1; }
}
@keyframes chaFadeScale {
  0% { opacity: 0; transform: scale(0.8); }
  100% { opacity: 1; transform: scale(1); }
}
@keyframes chaSpinGlow {
  0% { transform: rotate(0deg) scale(1); opacity: 0.3; }
  50% { transform: rotate(180deg) scale(1.2); opacity: 0.6; }
  100% { transform: rotate(360deg) scale(1); opacity: 0.3; }
}
@keyframes chaBounceIn {
  0% { opacity: 0; transform: scale(0.3) translateY(30px); }
  50% { transform: scale(1.05) translateY(-5px); }
  70% { transform: scale(0.95) translateY(2px); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}
@keyframes chaRippleGlow {
  0% { box-shadow: 0 0 0 0 var(--accent-glow); }
  100% { box-shadow: 0 0 0 20px transparent; }
}
@keyframes chaSlideUpBlur {
  0% { opacity: 0; transform: translateY(40px); filter: blur(8px); }
  100% { opacity: 1; transform: translateY(0); filter: blur(0); }
}
@keyframes chaHeartbeat {
  0%, 100% { transform: scale(1); }
  15% { transform: scale(1.15); }
  30% { transform: scale(1); }
  45% { transform: scale(1.08); }
  60% { transform: scale(1); }
}
@keyframes chaColorShift {
  0% { filter: hue-rotate(0deg); }
  50% { filter: hue-rotate(15deg); }
  100% { filter: hue-rotate(0deg); }
}
@keyframes chaOrbit {
  0% { transform: rotate(0deg) translateX(4px) rotate(0deg); }
  100% { transform: rotate(360deg) translateX(4px) rotate(-360deg); }
}
@keyframes chaStretch {
  0%, 100% { transform: scaleX(1) scaleY(1); }
  25% { transform: scaleX(1.03) scaleY(0.97); }
  75% { transform: scaleX(0.97) scaleY(1.03); }
}
@keyframes chaTwinkle {
  0%, 100% { opacity: 0.2; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1.2); }
}

/* ===== UTILITY ANIMATIONS ===== */
.chacongreso-2026 .cha-anim-breath { animation: chaBreathingGlow 6s ease-in-out infinite; }
.chacongreso-2026 .cha-anim-wobble { animation: chaWobble 4s ease-in-out infinite; }
.chacongreso-2026 .cha-anim-pulse-shadow { animation: chaPulseShadow 3s ease-in-out infinite; }
.chacongreso-2026 .cha-anim-sway { animation: chaSway 5s ease-in-out infinite; }
.chacongreso-2026 .cha-anim-rise { animation: chaRiseFade 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards; }
.chacongreso-2026 .cha-anim-fade-scale { animation: chaFadeScale 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards; }
.chacongreso-2026 .cha-anim-bounce-in { animation: chaBounceIn 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) forwards; }
.chacongreso-2026 .cha-anim-slide-up-blur { animation: chaSlideUpBlur 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards; }
.chacongreso-2026 .cha-anim-heartbeat { animation: chaHeartbeat 1.5s ease-in-out infinite; }
.chacongreso-2026 .cha-anim-stretch { animation: chaStretch 4s ease-in-out infinite; }
.chacongreso-2026 .cha-anim-twinkle { animation: chaTwinkle 2s ease-in-out infinite; }

/* ===== 3D TILT ON CARDS ===== */
.chacongreso-2026 .cha-sim-card,
.chacongreso-2026 .cha-speaker-card,
.chacongreso-2026 .cha-why-card,
.chacongreso-2026 .cha-ins-card,
.chacongreso-2026 .cha-sede-card {
  transform: perspective(800px) rotateX(var(--tilt-y, 0deg)) rotateY(var(--tilt-x, 0deg));
  transition: transform 0.15s ease-out;
  will-change: transform;
}
.chacongreso-2026 .cha-speaker-card { transform: perspective(600px) rotateX(var(--tilt-y, 0deg)) rotateY(var(--tilt-x, 0deg)); }

/* ===== PARALLAX SECTIONS ===== */
.chacongreso-2026 .cha-section {
  will-change: transform;
  transform: translateY(var(--parallax-y, 0px));
  transition: transform 0.1s linear;
}

/* ===== STAGGERED GRID REVEAL ===== */
.chacongreso-2026 .cha-stagger-in {
  animation: chaStaggerFade 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
  animation-delay: calc(var(--stagger-i, 0) * 0.08s);
}
@keyframes chaStaggerFade {
  0% { opacity: 0; transform: translateY(24px) scale(0.97); }
  100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* ===== IMAGE HOVER ZOOM ===== */
.chacongreso-2026 .cha-sim-card-image,
.chacongreso-2026 .cha-speaker-img-wrap,
.chacongreso-2026 .cha-prog-card-image {
  overflow: hidden;
}
.chacongreso-2026 .cha-sim-card-image img,
.chacongreso-2026 .cha-speaker-img-wrap img,
.chacongreso-2026 .cha-prog-card-image img {
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.chacongreso-2026 .cha-sim-card:hover .cha-sim-card-image img,
.chacongreso-2026 .cha-speaker-card:hover .cha-speaker-img-wrap img,
.chacongreso-2026 .cha-prog-card:hover .cha-prog-card-image img {
  transform: scale(1.08);
}

/* ===== WHY CARD HOVER ENHANCEMENTS ===== */
.chacongreso-2026 .cha-why-card:hover .cha-glow-follower { animation: chaHeartbeat 2s ease-in-out infinite; }
.chacongreso-2026 .cha-why-card:hover .cha-why-icon { animation: chaWobble 1.5s ease-in-out 0.3s infinite; }
.chacongreso-2026 .cha-why-card:hover {
  border-color: var(--accent);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08), 0 4px 16px var(--accent-glow);
  transform: perspective(800px) rotateX(var(--tilt-y, 0deg)) rotateY(var(--tilt-x, 0deg)) translateY(-8px);
}

/* ===== STAT CARD FLOAT ===== */
.chacongreso-2026 .cha-stat-card.cha-r-visible { animation: chaFloat 5s ease-in-out infinite; }
.chacongreso-2026 .cha-stat-card.cha-r-visible:nth-child(2) { animation-delay: 1.2s; }
.chacongreso-2026 .cha-stat-card.cha-r-visible:nth-child(3) { animation-delay: 2.4s; }
.chacongreso-2026 .cha-stat-card.cha-r-visible:nth-child(4) { animation-delay: 3.6s; }
.chacongreso-2026 .cha-stat-card:hover .cha-stat-number { animation: chaHeartbeat 1.2s ease-in-out infinite; }

/* ===== SECTION SEPARATORS ===== */
.chacongreso-2026 .cha-section::before {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  margin: 0 auto 0.5rem;
  border-radius: 2px;
  opacity: 0;
  transform: scaleX(0);
  transition: opacity 0.6s var(--ease-smooth) 0.1s, transform 0.8s var(--ease-out-expo) 0.1s;
  transform-origin: center;
}
.chacongreso-2026 .cha-section.cha-section-sep-visible::before {
  opacity: 0.6;
  transform: scaleX(1);
}
.chacongreso-2026 .cha-section.cha-section-sep-visible::before {
  background: linear-gradient(90deg, var(--accent), var(--accent2), var(--accent3), var(--accent));
  background-size: 300% 100%;
  animation: chaShimmerText 4s linear infinite;
}

/* ===== SIM RESPONSIVE ===== */
@media(max-width: 860px) {
  .chacongreso-2026 .cha-sim-card { grid-template-columns: 1fr; min-height: 0; }
  .chacongreso-2026 .cha-sim-card-image { min-height: 220px; }
  .chacongreso-2026 .cha-sim-card-image .cha-sim-img { opacity: 0.7; padding: 1.5rem; }
  .chacongreso-2026 .cha-sim-card-image .cha-sim-number { font-size: clamp(2.5rem, 8vw, 3.5rem); }
  .chacongreso-2026 .cha-sim-card-content { padding: 1.5rem; }
  .chacongreso-2026 .cha-sim-card-content h3 { font-size: 1.1rem; }
}
@media(max-width: 480px) {
  .chacongreso-2026 .cha-sim-track-wrap { border-radius: 12px; }
  .chacongreso-2026 .cha-sim-card { grid-template-columns: 1fr; }
  .chacongreso-2026 .cha-sim-card-image { display: none; }
  .chacongreso-2026 .cha-sim-card-content { padding: 1.2rem 1rem; }
  .chacongreso-2026 .cha-sim-card-content h3 { font-size: 0.95rem; }
  .chacongreso-2026 .cha-sim-card-content > p { font-size: 0.8rem; }
  .chacongreso-2026 .cha-sim-tag { font-size: 0.65rem; padding: 0.12rem 0.45rem; }
  .chacongreso-2026 .cha-sim-ideal { font-size: 0.72rem; }
  .chacongreso-2026 .cha-sim-footer { flex-direction: column; gap: 0.8rem; }
  .chacongreso-2026 .cha-sim-progress-track { width: 100%; }
  .chacongreso-2026 .cha-sim-nav-btn { width: 36px; height: 36px; }
  .chacongreso-2026 .cha-sim-nav-btn svg { width: 15px; height: 15px; }
}

/* ===== MAIN RESPONSIVE ===== */
@media(max-width: 1400px) {
  .chacongreso-2026 .cha-hero-content { padding: 2rem 2rem; margin: 0 1rem; }
  .chacongreso-2026 .cha-hero-grid { gap: 2.5rem; }
  .chacongreso-2026 .cha-hero-logo { max-width: 260px; }
  .chacongreso-2026 .cha-hero h1 { font-size: clamp(2rem, 4.2vw, 3.6rem); }
  .chacongreso-2026 .cha-hero-col-right { padding: 2rem 2rem; }
}
@media(max-width: 1200px) {
  .chacongreso-2026 .cha-hero-content { padding: 1.5rem 1rem; margin: 0 0.5rem; }
  .chacongreso-2026 .cha-hero-grid { gap: 1.5rem; }
  .chacongreso-2026 .cha-hero-logo { max-width: 200px; }
  .chacongreso-2026 .cha-hero h1 { font-size: clamp(1.6rem, 3.8vw, 2.8rem); margin-bottom: 0.8rem; }
  .chacongreso-2026 .cha-hero-col-right { padding: 1.5rem 1.2rem; }
  .chacongreso-2026 .cha-hero-badge { margin-bottom: 1rem; font-size: 0.55rem; padding: 0.35rem 1rem; }
  .chacongreso-2026 .cha-hero-venue { margin-bottom: 1rem; }
  .chacongreso-2026 .cha-hero-sub-desc { font-size: 0.85rem; margin-bottom: 1.2rem; }
  .chacongreso-2026 .cha-hero-counter { gap: 0.75rem; margin-bottom: 1.2rem; }
  .chacongreso-2026 .cha-counter-num { font-size: clamp(1.4rem, 3vw, 2rem); }
  .chacongreso-2026 .cha-hero-meta { margin-bottom: 1.2rem; font-size: 0.85rem; }
  .chacongreso-2026 .cha-hero-actions { gap: 0.6rem; }
}
@media(max-width: 1100px) {
  .chacongreso-2026 .cha-hero-content { padding: 1.5rem 1.2rem; margin: 0 0.75rem; }
  .chacongreso-2026 .cha-hero-grid { gap: 1.5rem; }
  .chacongreso-2026 .cha-hero-logo { max-width: 180px; }
  .chacongreso-2026 .cha-hero h1 { font-size: clamp(1.6rem, 3.6vw, 2.6rem); margin-bottom: 0.8rem; }
  .chacongreso-2026 .cha-hero-col-right { padding: 1.5rem 1.2rem; }
  .chacongreso-2026 .cha-hero-badge { margin-bottom: 0.8rem; font-size: 0.5rem; padding: 0.3rem 0.8rem; }
  .chacongreso-2026 .cha-hero-venue { margin-bottom: 0.8rem; }
  .chacongreso-2026 .cha-hero-sub-desc { font-size: 0.82rem; margin-bottom: 1rem; }
  .chacongreso-2026 .cha-hero-counter { gap: 0.75rem; margin-bottom: 1rem; }
  .chacongreso-2026 .cha-counter-num { font-size: clamp(1.4rem, 3vw, 2rem); }
  .chacongreso-2026 .cha-hero-meta { margin-bottom: 1rem; font-size: 0.8rem; }
  .chacongreso-2026 .cha-hero-actions { gap: 0.6rem; }
}
@media(max-width: 1024px) {
  .chacongreso-2026 .cha-hero-content { padding: 1.5rem 1rem; margin: 0 0.75rem; }
  .chacongreso-2026 .cha-hero-grid { gap: 1.5rem; grid-template-columns: 1fr 1fr; }
  .chacongreso-2026 .cha-hero-logo { max-width: 200px; }
  .chacongreso-2026 .cha-hero h1 { font-size: clamp(1.6rem, 3.6vw, 2.8rem); margin-bottom: 0.8rem; }
  .chacongreso-2026 .cha-hero-col-right { padding: 1.5rem 1.2rem; }
  .chacongreso-2026 .cha-hero-badge { margin-bottom: 1rem; font-size: 0.55rem; padding: 0.35rem 1rem; }
  .chacongreso-2026 .cha-hero-venue { margin-bottom: 1rem; }
  .chacongreso-2026 .cha-hero-sub-desc { font-size: 0.85rem; margin-bottom: 1.2rem; }
  .chacongreso-2026 .cha-hero-counter { gap: 0.75rem; margin-bottom: 1.2rem; }
  .chacongreso-2026 .cha-counter-num { font-size: clamp(1.4rem, 3vw, 2rem); }
  .chacongreso-2026 .cha-hero-meta { margin-bottom: 1.2rem; font-size: 0.85rem; }
  .chacongreso-2026 .cha-hero-actions { gap: 0.6rem; }
  .chacongreso-2026 .cha-section { padding: 5rem 0; }
  .chacongreso-2026 .cha-why-card { flex: 0 0 calc((100% - 1.5rem) / 2); min-width: 200px; padding: 1.8rem 1.5rem; }
  .chacongreso-2026 .cha-pricing-card { padding: 2rem 1.5rem; }
  .chacongreso-2026 .cha-sede-card { grid-template-columns: 1fr; }
  .chacongreso-2026 .cha-sede-map { min-height: 320px; }
  .chacongreso-2026 .cha-sede-info { padding: 2.2rem 2rem; }
  .chacongreso-2026 .cha-sobre-grid { gap: 2rem; }
}
@media(max-width: 920px) {
  .chacongreso-2026 .cha-hero-content { padding: 1.2rem 0.5rem; margin: 0 0.5rem; }
  .chacongreso-2026 .cha-hero-grid { grid-template-columns: 1fr; gap: 1rem; }
  .chacongreso-2026 .cha-hero-logo { max-width: 120px; }
  .chacongreso-2026 .cha-hero-col-left { justify-content: center; }
  .chacongreso-2026 .cha-hero-col-right { padding: 1.2rem 1rem; }
  .chacongreso-2026 .cha-hero h1 { font-size: clamp(1.4rem, 4.5vw, 2.4rem); margin-bottom: 0.6rem; }
  .chacongreso-2026 .cha-hero-badge { margin-bottom: 0.8rem; }
  .chacongreso-2026 .cha-hero-sub-desc { margin-bottom: 1rem; font-size: 0.82rem; }
  .chacongreso-2026 .cha-hero-counter { gap: 0.6rem; margin-bottom: 1rem; }
  .chacongreso-2026 .cha-counter-num { font-size: clamp(1.3rem, 4vw, 1.8rem); }
  .chacongreso-2026 .cha-hero-meta { margin-bottom: 1rem; gap: 0.5rem; }
  .chacongreso-2026 .cha-hero-actions { flex-direction: column; align-items: center; gap: 0.5rem; }
  .chacongreso-2026 .cha-hero-actions .cha-btn { width: 100%; max-width: 280px; justify-content: center; padding: 0.7rem 1.5rem; }
}
@media(max-width: 768px) {
  .chacongreso-2026 { font-size: clamp(14px, 1.5vw, 16px); }
  .chacongreso-2026 .cha-hero { min-height: 92vh; min-height: 92dvh; }
  .chacongreso-2026 .cha-hero-content { padding: 1.2rem 1rem; }
  .chacongreso-2026 .cha-hero-grid { grid-template-columns: 1fr; gap: 1rem; }
  .chacongreso-2026 .cha-hero-logo { max-width: 100px; }
  .chacongreso-2026 .cha-hero-col-left { justify-content: center; padding: 1rem 1rem; }
  .chacongreso-2026 .cha-hero-col-right { text-align: center; padding: 1.2rem 0.8rem; }
  .chacongreso-2026 .cha-hero h1 { font-size: clamp(1.4rem, 5vw, 2.2rem); margin-bottom: 0.6rem; }
  .chacongreso-2026 .cha-hero h1 .cha-line { animation-delay: 0s; }
  .chacongreso-2026 .cha-hero h1 .cha-line:nth-child(1) { animation-delay: 0.5s; }
  .chacongreso-2026 .cha-hero h1 .cha-line:nth-child(2) { animation-delay: 0.7s; }
  .chacongreso-2026 .cha-hero-sub { animation: chaFadeUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.9s forwards; font-size: 0.9rem; }
  .chacongreso-2026 .cha-hero-sub-desc { animation: chaFadeUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.1s forwards; font-size: 0.82rem; margin-bottom: 1rem; }
  .chacongreso-2026 .cha-hero-badge { animation: chaFadeUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.3s forwards; margin-bottom: 0.8rem; }
  .chacongreso-2026 .cha-hero-counter { animation: chaFadeUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.3s forwards; gap: 0.6rem; margin-bottom: 1rem; }
  .chacongreso-2026 .cha-hero-meta { animation: chaFadeUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.5s forwards; margin-bottom: 1rem; }
  .chacongreso-2026 .cha-hero-actions { animation: chaFadeUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.7s forwards; gap: 0.5rem; }
  .chacongreso-2026 .cha-scroll-indicator { display: none; }
  .chacongreso-2026 .cha-counter-num { font-size: clamp(1.3rem, 4vw, 1.8rem); }
  .chacongreso-2026 .cha-counter-block { min-width: auto; flex: 1; }
  .chacongreso-2026 .cha-section { padding: 4rem 0; }
  .chacongreso-2026 .cha-section-title { font-size: clamp(1.4rem, 3.5vw, 2rem); }
  .chacongreso-2026 .cha-section-subtitle { font-size: 0.95rem; margin-bottom: 2rem; }
  .chacongreso-2026 .cha-sobre-grid { grid-template-columns: 1fr; gap: 2rem; }
  .chacongreso-2026 .cha-sobre-stats { grid-template-columns: 1fr; gap: 0.8rem; }
  .chacongreso-2026 .cha-sobre-text p { font-size: 0.95rem; }
  .chacongreso-2026 .cha-why-card { flex: 0 0 100%; min-width: 0; padding: 1.5rem; }
  .chacongreso-2026 .cha-why-card h3 { font-size: 1rem; }
  .chacongreso-2026 .cha-inscripciones-grid { flex-direction: column; gap: 2rem; }
  .chacongreso-2026 .cha-inscripciones-card { flex: 0 0 auto; width: 100%; max-width: 440px; }
  .chacongreso-2026 .cha-inscripciones-image { display: none; }
  .chacongreso-2026 .cha-valores-track-wrap {
    overflow: hidden;
  }
  .chacongreso-2026 .cha-valores-track {
    display: flex;
    gap: 0;
    scroll-snap-type: none;
  }
  .chacongreso-2026 .cha-valor-slide {
    flex: 0 0 100%;
    min-width: 0;
  }
  .chacongreso-2026 .cha-valores-controls { display: flex; }
  .chacongreso-2026 .cha-valor-card { opacity: 1 !important; }
  .chacongreso-2026 .cha-pricing-grid { flex-direction: column; align-items: center; gap: 1.5rem; }
  .chacongreso-2026 .cha-pricing-card { flex: 0 0 auto; width: 100%; max-width: 440px; padding: 1.8rem 1.5rem; }
  .chacongreso-2026 .cha-sede-card { grid-template-columns: 1fr; }
  .chacongreso-2026 .cha-sede-map { min-height: 280px; }
  .chacongreso-2026 .cha-sede-info { padding: 2rem 1.8rem; }
  .chacongreso-2026 .cha-stat-number { font-size: 2rem; }
  .chacongreso-2026 .cha-stat-card { padding: 1.4rem 1rem; }
  .chacongreso-2026 #cha-back-to-top { right: 0.8rem; bottom: 0.8rem; width: 38px; height: 38px; }
  .chacongreso-2026 #cha-section-dots { display: none; }
}
@media(max-width: 480px) {
  .chacongreso-2026 .cha-hero { min-height: 90vh; min-height: 90dvh; }
  .chacongreso-2026 .cha-hero-content { padding: 0.8rem 0.4rem; margin: 0 0.2rem; }
  .chacongreso-2026 .cha-hero-col-right { padding: 1rem 0.6rem; border-radius: 14px; }
  .chacongreso-2026 .cha-hero h1 { font-size: clamp(1.1rem, 6vw, 1.5rem); margin-bottom: 0.5rem; }
  .chacongreso-2026 .cha-hero-sub { font-size: 0.82rem; margin-bottom: 0.6rem; }
  .chacongreso-2026 .cha-hero-sub-desc { font-size: 0.75rem; margin-bottom: 0.8rem; }
  .chacongreso-2026 .cha-hero-badge { font-size: 0.5rem; padding: 0.25rem 0.7rem; margin-bottom: 0.8rem; }
  .chacongreso-2026 .cha-hero-venue { font-size: 0.5rem; margin-bottom: 0.8rem; }
  .chacongreso-2026 .cha-hero-meta { flex-direction: column; align-items: center; gap: 0.3rem; margin-bottom: 0.8rem; font-size: 0.72rem; }
  .chacongreso-2026 .cha-hero-actions { flex-direction: column; width: 100%; gap: 0.4rem; }
  .chacongreso-2026 .cha-hero-actions .cha-btn { width: 100%; justify-content: center; padding: 0.6rem 1rem; font-size: 0.8rem; }
  .chacongreso-2026 .cha-counter-num { font-size: clamp(1rem, 4.5vw, 1.3rem); }
  .chacongreso-2026 .cha-counter-label { font-size: 0.5rem; }
  .chacongreso-2026 .cha-hero-counter { gap: 0.35rem; flex-wrap: nowrap; }
  .chacongreso-2026 .cha-counter-block { min-width: auto; flex: 1; }
  .chacongreso-2026 .cha-section { padding: 2.5rem 0; }
  .chacongreso-2026 .cha-container { padding: 0 1rem; }
  .chacongreso-2026 .cha-section-title { font-size: clamp(1.2rem, 5vw, 1.6rem); }
  .chacongreso-2026 .cha-section-subtitle { font-size: 0.88rem; margin-bottom: 1.5rem; }
  .chacongreso-2026 .cha-sobre-grid { gap: 1.5rem; }
  .chacongreso-2026 .cha-sobre-stats { gap: 0.7rem; }
  .chacongreso-2026 .cha-sobre-text p { font-size: 0.9rem; }
  .chacongreso-2026 .cha-stat-number { font-size: 1.8rem; }
  .chacongreso-2026 .cha-stat-card { padding: 1.2rem 0.8rem; }
}

.chacongreso-2026.cha-reduced-motion *,
.chacongreso-2026.cha-reduced-motion *::before,
.chacongreso-2026.cha-reduced-motion *::after {
  animation-duration: 0.001ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.001ms !important;
  scroll-behavior: auto !important;
}
.chacongreso-2026.cha-reduced-motion .cha-ent { opacity: 1 !important; animation: none !important; }
.chacongreso-2026.cha-reduced-motion .cha-speaker-card { opacity: 1 !important; transform: none !important; }
.chacongreso-2026.cha-reduced-motion .cha-footer { opacity: 1 !important; transform: none !important; }
.chacongreso-2026.cha-reduced-motion .cha-aurora-blob { animation: none !important; }
.chacongreso-2026.cha-reduced-motion .cha-hero h1 .cha-line,
.chacongreso-2026.cha-reduced-motion .cha-hero-sub,
.chacongreso-2026.cha-reduced-motion .cha-hero-sub-desc,
.chacongreso-2026.cha-reduced-motion .cha-hero-badge,
.chacongreso-2026.cha-reduced-motion .cha-hero-counter,
.chacongreso-2026.cha-reduced-motion .cha-hero-meta,
.chacongreso-2026.cha-reduced-motion .cha-hero-actions { opacity: 1 !important; transform: none !important; }

/* ===== DESKTOP-ONLY POLISH ===== */
@media (hover: hover) and (pointer: fine) {
  .chacongreso-2026 .cha-ent.play { animation-duration: 1s; animation-timing-function: var(--ease-spring); }
  .chacongreso-2026 .cha-d1 { animation-delay: 0.12s; }
  .chacongreso-2026 .cha-d2 { animation-delay: 0.2s; }
  .chacongreso-2026 .cha-d3 { animation-delay: 0.28s; }
  .chacongreso-2026 .cha-d4 { animation-delay: 0.36s; }
  .chacongreso-2026 .cha-d5 { animation-delay: 0.44s; }
  .chacongreso-2026 .cha-d6 { animation-delay: 0.52s; }
  .chacongreso-2026 .cha-d7 { animation-delay: 0.6s; }
  .chacongreso-2026 .cha-d8 { animation-delay: 0.68s; }
  .chacongreso-2026 .cha-d9 { animation-delay: 0.76s; }
  .chacongreso-2026 .cha-d10 { animation-delay: 0.84s; }
  .chacongreso-2026 .cha-hero-badge {
    animation: chaFadeUp 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.3s forwards,
               chaFloatBadge 4s ease-in-out 2s infinite;
    position: relative;
  }
  .chacongreso-2026 .cha-speakers-badge {
    animation-name: chaFloatBadge;
    animation-duration: 4s;
    animation-timing-function: ease-in-out;
    animation-delay: 1s;
    animation-iteration-count: infinite;
  }
  @keyframes chaFloatBadge {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
  }

  /* ===== CARD HOVER 3D LIFT ===== */
  .chacongreso-2026 .cha-speaker-card {
    transition: transform .4s var(--ease-spring), border-color .3s, box-shadow .5s var(--ease-spring);
  }
  .chacongreso-2026 .cha-speaker-card:hover {
    transform: translateY(-10px) scale(1.04);
    box-shadow: 0 24px 60px -10px var(--accent-glow), 0 0 0 1px var(--accent-light);
    border-color: var(--accent-light);
  }
  .chacongreso-2026 .cha-speaker-card:hover .cha-speaker-img {
    transform: scale(1.12);
    transition: transform .6s var(--ease-spring);
  }
  .chacongreso-2026 .cha-speaker-card:hover .cha-speaker-placeholder {
    transform: scale(1.08);
  }
  .chacongreso-2026 .cha-speaker-card:hover h4 {
    color: var(--accent);
    transition: color .3s ease;
  }

  .chacongreso-2026 .cha-stat-card {
    transition: all .4s var(--ease-spring);
  }
  .chacongreso-2026 .cha-stat-card:hover {
    transform: translateY(-4px) scale(1.03);
    box-shadow: 0 16px 40px var(--accent-glow);
    border-color: var(--accent-light);
  }
  .chacongreso-2026 .cha-stat-card:hover .cha-stat-number {
    color: var(--accent);
  }

  .chacongreso-2026 .cha-sim-card {
    transition: transform .4s var(--ease-spring), box-shadow .5s var(--ease-spring), border-color .3s;
  }
  .chacongreso-2026 .cha-sim-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 20px 50px var(--accent-glow);
    border-color: var(--accent-light);
  }
  .chacongreso-2026 .cha-sim-card:hover .cha-sim-card-image img {
    transform: scale(1.1);
  }
  .chacongreso-2026 .cha-sim-card:hover h3 {
    color: var(--accent);
  }

  .chacongreso-2026 .cha-why-card:hover {
    transform: perspective(800px) rotateX(var(--tilt-y, 0deg)) rotateY(var(--tilt-x, 0deg)) translateY(-12px);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.1), 0 4px 20px var(--accent-glow);
  }
  .chacongreso-2026 .cha-why-card:hover .cha-why-icon {
    animation: chaWobble 1.2s ease-in-out 0.2s infinite;
    color: var(--accent);
  }
  .chacongreso-2026 .cha-why-card:hover h3 {
    color: var(--accent);
  }

  .chacongreso-2026 .cha-valor-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 16px 40px var(--accent-glow);
  }

  .chacongreso-2026 .cha-ins-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 20px 50px var(--accent-glow);
  }

  .chacongreso-2026 .cha-sede-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 50px var(--accent-glow);
  }
  .chacongreso-2026 .cha-sede-card:hover .cha-sede-info {
    border-color: var(--accent-light);
  }

  .chacongreso-2026 .cha-prog-card {
    transition: transform .4s var(--ease-spring), box-shadow .4s var(--ease-spring);
  }
  .chacongreso-2026 .cha-prog-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 16px 48px var(--accent-glow);
  }

  .chacongreso-2026 .slider-btn,
  .chacongreso-2026 .cha-valores-nav-btn {
    transition: all .35s var(--ease-spring);
  }
  .chacongreso-2026 .slider-btn:hover,
  .chacongreso-2026 .cha-valores-nav-btn:hover {
    transform: scale(1.15);
    box-shadow: 0 8px 24px var(--accent-glow);
  }

  /* ===== SECTION SEPARATOR LIVE GRADIENT ===== */
  .chacongreso-2026 .cha-section::before {
    transition: none;
    background: linear-gradient(90deg, var(--accent), var(--accent2), var(--accent3), var(--accent));
    background-size: 300% 100%;
  }
  .chacongreso-2026 .cha-section.cha-section-sep-visible::before {
    animation: chaGradientShift 4s linear infinite;
  }

  /* ===== LIVE COUNTER PULSE ===== */
  .chacongreso-2026 .cha-live-counter.cha-counter-active .cha-live-dot {
    animation: chaLivePulse 1.2s ease-in-out infinite;
  }
  .chacongreso-2026 .cha-live-counter.cha-counter-active .cha-counter-num {
    animation: chaCounterBounce 0.6s var(--ease-spring);
  }
}

@keyframes chaCounterBounce {
  0% { transform: scale(1); }
  30% { transform: scale(1.12); }
  60% { transform: scale(0.96); }
  100% { transform: scale(1); }
}

@property --cha-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

/* ===== MOBILE: animaciones activas como en desktop ===== */
/* ===== SPONSOR CAROUSEL ===== */
.chacongreso-2026 .cha-hero-sponsors {
  position: relative;
  z-index: 5;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 2.5rem 0;
  text-align: center;
  background: #ffffff;
  border-top: 1px solid #e5e7eb;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.06);
}

.chacongreso-2026 .cha-sponsor-label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #6b7280;
  margin-bottom: 0.75rem;
  position: relative;
  display: inline-block;
}

.chacongreso-2026 .cha-sponsor-label::after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background: #d1d5db;
  margin: 0.75rem auto 0;
  border-radius: 1px;
}

.chacongreso-2026 .cha-sponsor-track-wrap {
  overflow: hidden;
  width: 100%;
  position: relative;
}

.chacongreso-2026 .cha-sponsor-track-wrap::before,
.chacongreso-2026 .cha-sponsor-track-wrap::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 80px;
  z-index: 2;
  pointer-events: none;
}

.chacongreso-2026 .cha-sponsor-track-wrap::before {
  left: 0;
  background: linear-gradient(to right, #ffffff 0%, transparent 100%);
}

.chacongreso-2026 .cha-sponsor-track-wrap::after {
  right: 0;
  background: linear-gradient(to left, #ffffff 0%, transparent 100%);
}

.chacongreso-2026 .cha-sponsor-track {
  display: flex;
  gap: 0;
  width: max-content;
  animation: chaSponsorScroll 40s linear infinite;
  padding: 0.5rem 0;
  will-change: transform;
}

.chacongreso-2026 .cha-hero-sponsors:hover .cha-sponsor-track {
  animation-play-state: paused;
}

.chacongreso-2026 .cha-sponsor-slide {
  flex: 0 0 500px;
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem 3rem;
  position: relative;
  transition: all 0.3s ease;
}

.chacongreso-2026 .cha-sponsor-slide::after {
  content: '';
  position: absolute;
  right: 0;
  top: 20%;
  height: 60%;
  width: 1px;
  background: #e5e7eb;
}

.chacongreso-2026 .cha-sponsor-slide:last-child::after {
  display: none;
}

.chacongreso-2026 .cha-sponsor-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  position: relative;
  z-index: 0;
  filter: grayscale(60%) opacity(0.7);
  transition: filter 0.4s ease, transform 0.4s ease;
}

.chacongreso-2026 .cha-hero-sponsors:hover .cha-sponsor-slide img {
  filter: grayscale(30%) opacity(0.85);
}

.chacongreso-2026 .cha-sponsor-slide:hover img {
  filter: grayscale(0%) opacity(1) !important;
  transform: scale(1.25);
}

@keyframes chaSponsorScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@media (max-width: 1024px) {
  .chacongreso-2026 .cha-hero-sponsors { padding: 2rem 0; }
  .chacongreso-2026 .cha-sponsor-slide { flex: 0 0 400px; height: 200px; padding: 1.5rem 2.5rem; }
  .chacongreso-2026 .cha-sponsor-label { font-size: 0.8rem; }
  .chacongreso-2026 .cha-sponsor-track-wrap::before,
  .chacongreso-2026 .cha-sponsor-track-wrap::after { width: 60px; }
}
@media (max-width: 768px) {
  .chacongreso-2026 .cha-hero-sponsors { padding: 1.5rem 0; }
  .chacongreso-2026 .cha-sponsor-slide { flex: 0 0 300px; height: 150px; padding: 1rem 2rem; }
  .chacongreso-2026 .cha-sponsor-label { font-size: 0.7rem; }
  .chacongreso-2026 .cha-sponsor-label::after { width: 40px; }
  .chacongreso-2026 .cha-sponsor-track-wrap::before,
  .chacongreso-2026 .cha-sponsor-track-wrap::after { width: 40px; }
}
@media (max-width: 480px) {
  .chacongreso-2026 .cha-hero-sponsors { padding: 1rem 0; }
  .chacongreso-2026 .cha-sponsor-slide { flex: 0 0 220px; height: 110px; padding: 0.75rem 1.25rem; }
  .chacongreso-2026 .cha-sponsor-label { font-size: 0.6rem; letter-spacing: 0.15em; }
  .chacongreso-2026 .cha-sponsor-track { animation-duration: 30s; }
}

@media (max-width: 768px), (pointer: coarse) {
  .chacongreso-2026 .cha-hero,
  .chacongreso-2026 .cha-section,
  .chacongreso-2026 .cha-speakers-section { contain: layout style paint; }
  .chacongreso-2026 .cha-hero h1 .cha-line {
    background-size: 400% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }
}