/* ============================================================
   CUMBRE TECNOLÓGICA INACAP · ACTI 2026 — DESIGN TOKENS
   Paleta: negro profundo / azul eléctrico / cian holográfico / rojo intenso
   Tipografía: Space Grotesk (display) · Inter (cuerpo) · JetBrains Mono (data/kickers)
   ============================================================ */
:root{
  --ink:#050609;
  --ink-1:#0a0d14;
  --ink-2:#10141d;
  --ink-3:#161b26;
  --line:rgba(255,255,255,.09);
  --line-soft:rgba(255,255,255,.05);
  --white:#f4f6fb;
  --mist:#9aa3b8;
  --mist-dim:#96a0b5;
  --blue:#004b65;
  --blue-2:#003652;
  --cyan:#3fd6ff;
  --red:#b7271c;
  --red-2:#7a1711;
  --grad-brand: linear-gradient(135deg,var(--red) 0%,var(--blue) 100%);
  --grad-hero-bg: radial-gradient(120% 90% at 12% 0%, rgba(183,39,28,.55) 0%, rgba(183,39,28,0) 42%),
                  radial-gradient(90% 70% at 100% 100%, rgba(0,75,101,.45) 0%, rgba(0,75,101,0) 46%),
                  radial-gradient(60% 60% at 78% 30%, rgba(63,214,255,.18) 0%, rgba(63,214,255,0) 60%),
                  var(--ink);
  --glass-bg: linear-gradient(155deg, rgba(255,255,255,.07), rgba(255,255,255,.015));
  --glass-border: rgba(255,255,255,.12);
  --shadow-glow-blue: 0 0 0 1px rgba(63,214,255,.18), 0 20px 60px -20px rgba(0,75,101,.45);
  --shadow-glow-red: 0 0 0 1px rgba(183,39,28,.22), 0 20px 60px -20px rgba(183,39,28,.4);
  --ease: cubic-bezier(.16,.84,.32,1);
  --container: 1440px;
}

*,*::before,*::after{box-sizing:border-box;}
html{
  scroll-behavior:smooth;
  scroll-padding-top:88px;
  background:var(--ink); /* base más profunda — visible bajo el canvas de partículas */
}
body{
  margin:0;
  background:transparent; /* transparente para que el canvas global se vea en todas las secciones */
  color:var(--white);
  font-family:'Inter',system-ui,sans-serif;
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* ── Canvas global de partículas ── */
#particles-bg{
  position:fixed;inset:0;
  z-index:-1; /* detrás de todo el contenido, encima del background de html */
  pointer-events:none;
}
#particles-bg canvas{
  display:block;
  pointer-events:none !important; /* el mouse se detecta via window, no via canvas */
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3{font-family:'Space Grotesk',sans-serif;margin:0;letter-spacing:-.01em;text-wrap:balance;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:clamp(20px,4vw,56px);}
@media (max-width:640px){.container{padding-inline:20px;}}

.mono{font-family:'JetBrains Mono',monospace;}
.eyebrow{
  font-family:'JetBrains Mono',monospace;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--cyan);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:7px;height:7px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 12px 2px rgba(63,214,255,.8);
  flex:none;
}
.lead{color:var(--mist);font-size:17px;max-width:640px;}

/* Focus visibility for accessibility */
a:focus-visible,button:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:4px;
}

/* Reveal-on-scroll */
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease), transform .8s var(--ease);}
[data-reveal].is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;
  border-radius:999px;
  font-weight:600;font-size:15px;
  white-space:nowrap;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease), background .35s var(--ease);
}
.btn svg{width:16px;height:16px;flex:none;transition:transform .3s var(--ease);}
.btn--primary{
  background:var(--grad-brand);
  color:#fff;
  box-shadow:0 12px 32px -12px rgba(183,39,28,.55);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px -14px rgba(183,39,28,.7);}
.btn--primary:hover svg{transform:translateX(3px);}
.btn--ghost{
  background:rgba(255,255,255,.03);
  border:1px solid var(--glass-border);
  color:var(--white);
  backdrop-filter:blur(10px);
}
.btn--ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.24);}
.btn:active{transform:scale(0.97);transition:transform .1s;}

/* ============ Circuit rail (signature element) ============ */
.circuit-rail{
  position:fixed;left:22px;top:0;bottom:0;
  width:2px;z-index:40;
  display:none;
  pointer-events:none;
}
.circuit-rail__line{
  position:absolute;left:0;top:8%;bottom:8%;width:1px;
  background:linear-gradient(to bottom, transparent, rgba(255,255,255,.16) 10%, rgba(255,255,255,.16) 90%, transparent);
}
.circuit-rail__progress{
  position:absolute;left:-1px;top:8%;width:3px;height:0%;
  background:linear-gradient(to bottom, var(--red), var(--blue), var(--cyan));
  box-shadow:0 0 10px 1px rgba(63,214,255,.6);
  transition:height .15s linear;
}
.circuit-rail__node{
  position:absolute;left:-3px;width:8px;height:8px;border-radius:50%;
  background:var(--ink-2);border:2px solid rgba(255,255,255,.25);
  transition:background .3s,border-color .3s,box-shadow .3s;
}
.circuit-rail__node.is-active{
  background:var(--cyan);border-color:var(--cyan);
  box-shadow:0 0 14px 3px rgba(63,214,255,.75);
}
@media (min-width:1140px){.circuit-rail{display:block;}}

/* ============ Nav ============ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  padding:14px 0;
  transition:background .4s var(--ease), border-color .4s var(--ease), padding .4s var(--ease);
  border-bottom:1px solid transparent;
}
.nav.is-scrolled{
  background:rgba(5,6,9,.72);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom-color:var(--line);
  padding:10px 0;
}
.nav__inner{display:flex;align-items:center;gap:28px;}
.nav__brand{flex:none;line-height:0;}
.nav__brand img{
  height:35px;width:auto;
  filter:
    drop-shadow(0 0   32px rgba(183,39,28,.55))
    drop-shadow(0 8px 28px rgba(183,39,28,.50))
    drop-shadow(0 3px 10px rgba(183,39,28,.30));
  transition:filter .4s var(--ease);
}
.nav__brand:hover img{
  filter:
    drop-shadow(0 0   44px rgba(183,39,28,.75))
    drop-shadow(0 10px 36px rgba(183,39,28,.65))
    drop-shadow(0 4px  14px rgba(183,39,28,.55))
    drop-shadow(0 2px  10px rgba(0,75,101,.30));
}
/* Pantallas < 450px: 35px alto → 367px ancho, desborda; se escala por ancho */
@media (max-width:450px){
  .nav__brand img{height:auto;width:min(200px,50vw);}
}
.nav__links{display:none;gap:28px;margin-inline:auto;font-size:14.5px;font-weight:500;color:var(--mist);}
.nav__links a{position:relative;padding:6px 0;transition:color .25s;}
.nav__links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--cyan);transition:right .3s var(--ease);}
.nav__links a:hover{color:var(--white);}
.nav__links a:hover::after{right:0;}
.nav__cta{display:none;flex:none;padding:11px 22px;font-size:14px;}
.nav__burger{
  margin-left:auto;flex:none;width:40px;height:40px;
  display:grid;place-items:center;gap:5px;
}
.nav__burger span{display:block;width:20px;height:2px;background:var(--white);border-radius:2px;transition:transform .3s var(--ease),opacity .3s;}
.nav__burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav__burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav__burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
@media (min-width:900px){
  .nav__links{display:flex;}
  .nav__cta{display:inline-flex;}
  .nav__burger{display:none;}
}

.mobile-menu{
  position:fixed;inset:0;z-index:49;
  background:rgba(5,6,9,.97);
  backdrop-filter:blur(20px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:32px;
  transform:translateY(-100%);opacity:0;
  transition:transform .5s var(--ease),opacity .4s;
  visibility:hidden;
}
.mobile-menu.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.mobile-menu a{font-family:'Space Grotesk';font-size:28px;font-weight:600;}
@media (min-width:900px){.mobile-menu{display:none;}}

/* ============ Banner Principal ============ */
.banner-principal{position:relative;margin-top:88px;line-height:0;}
.banner-principal__img{width:100%;height:auto;display:block;max-width:100%;}
.banner-principal::after{
  content:"";position:absolute;left:0;right:0;bottom:0;
  height:42%;
  background:linear-gradient(to bottom, transparent 0%, rgba(5,6,9,.6) 55%, var(--ink) 100%);
  pointer-events:none;
}

/* ============ Hero ============ */
.hero{
  position:relative;min-height:100dvh;
  display:flex;align-items:center;
  padding-top:0;padding-bottom:80px;
  background:var(--grad-hero-bg);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    linear-gradient(to bottom, var(--ink) 0%, rgba(5,6,9,.55) 14%, transparent 34%),
    linear-gradient(to top, var(--ink) 0%, transparent 22%);
}
.hero__canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.65;}
.hero__grid-floor{
  position:absolute;left:0;right:0;bottom:0;height:46%;
  background-image:
    linear-gradient(rgba(63,214,255,.16) 1px, transparent 1px),
    linear-gradient(90deg, rgba(63,214,255,.16) 1px, transparent 1px);
  background-size:44px 44px;
  -webkit-mask-image:linear-gradient(to top, rgba(0,0,0,.85), transparent);
  mask-image:linear-gradient(to top, rgba(0,0,0,.85), transparent);
  transform:perspective(340px) rotateX(58deg);
  transform-origin:bottom;
  opacity:.55;
}
.hero__inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1fr;gap:56px;
  align-items:center;
}
.hero__title{
  font-size:clamp(2.6rem,7.6vw,5.2rem);
  font-weight:700;text-transform:uppercase;line-height:.98;
  margin:6px 0 20px;
}
.hero__title span{
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__subtitle{font-size:clamp(1.05rem,2vw,1.3rem);color:var(--white);font-weight:500;margin-bottom:18px;max-width:520px;}
.hero__intro{color:var(--mist);font-size:15.5px;max-width:520px;margin-bottom:30px;}
.hero__meta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px;}
.meta-chip{
  display:inline-flex;align-items:center;gap:9px;
  padding:10px 16px;border-radius:999px;
  background:var(--glass-bg);border:1px solid var(--glass-border);
  font-family:'JetBrains Mono';font-size:13px;font-weight:500;color:var(--white);
  backdrop-filter:blur(10px);
}
.meta-chip svg{width:15px;height:15px;color:var(--cyan);flex:none;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:0;}

.countdown__label{font-family:'JetBrains Mono';font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--mist-dim);margin-bottom:12px;}
.countdown__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;max-width:380px;}
.countdown__unit{
  background:var(--glass-bg);border:1px solid var(--glass-border);
  border-radius:14px;padding:12px 6px;text-align:center;backdrop-filter:blur(10px);
}
.countdown__unit span{display:block;font-family:'JetBrains Mono';font-size:clamp(1.3rem,3vw,1.8rem);font-weight:700;color:var(--white);font-variant-numeric:tabular-nums;}
.countdown__unit label{font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--mist-dim);}

/* ── Visual del hero: countdown + efecto luminoso ── */
.hero__visual{
  position:relative;min-height:340px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:32px 24px;
}
.hero__visual::before{
  content:"";position:absolute;inset:0;
  border-radius:28px;
  border:1px solid rgba(63,214,255,.14);
  background:rgba(63,214,255,.025);
  pointer-events:none;z-index:1;
}
.hero__visual-glow{
  position:absolute;inset:-30px;
  background:
    radial-gradient(ellipse 85% 65% at 50% 40%, rgba(63,214,255,.22) 0%, rgba(0,75,101,.15) 45%, transparent 75%),
    radial-gradient(ellipse 45% 40% at 55% 68%, rgba(183,39,28,.07) 0%, transparent 60%);
  filter:blur(28px);
  z-index:0;
  animation:hero-aura 5s ease-in-out infinite;
  pointer-events:none;
}
@keyframes hero-aura{
  0%,100%{opacity:.65;transform:scale(1);}
  50%{opacity:1;transform:scale(1.06);}
}
.hero__visual .countdown{position:relative;z-index:2;width:100%;text-align:center;}
.hero__visual .countdown__label{font-size:13px;letter-spacing:.2em;margin-bottom:20px;}
.hero__visual .countdown__grid{max-width:none;gap:14px;}
.hero__visual .countdown__unit{padding:22px 12px;border-radius:18px;box-shadow:0 0 22px rgba(63,214,255,.07);}
.hero__visual .countdown__unit span{font-size:clamp(2.4rem,4.5vw,3.8rem);text-shadow:0 0 28px rgba(63,214,255,.5);}
.hero__visual .countdown__unit label{font-size:12px;margin-top:6px;}

.badge-float{
  position:absolute;z-index:3;
  font-family:'JetBrains Mono';font-size:12px;font-weight:500;
  padding:10px 16px;border-radius:999px;
  background:var(--glass-bg);border:1px solid var(--glass-border);
  backdrop-filter:blur(12px);
  animation:float 6s ease-in-out infinite;
  box-shadow:var(--shadow-glow-blue);
  white-space:nowrap;
}
.badge-float--1{top:8%;left:3%;animation-delay:.2s;}
.badge-float--2{bottom:10%;right:3%;animation-delay:1.4s;box-shadow:var(--shadow-glow-red);}

@media (min-width:900px){
  .badge-float--1{top:10%;left:4%;}
  .badge-float--2{bottom:10%;right:4%;}
}
@keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-12px);}}
@media (prefers-reduced-motion:reduce){.badge-float{animation:none;}.hero__visual-glow{animation:none;}}

.scroll-cue{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;
  font-family:'JetBrains Mono';font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--mist-dim);
  z-index:2;
}
.scroll-cue svg{width:14px;height:20px;animation:scrollcue 2s ease-in-out infinite;}
@keyframes scrollcue{0%,100%{transform:translateY(0);opacity:.5;}50%{transform:translateY(6px);opacity:1;}}
@media (prefers-reduced-motion:reduce){.scroll-cue svg{animation:none;}}

@media (min-width:900px){
  .hero__inner{grid-template-columns:1fr 1fr;gap:48px;position:relative;align-items:stretch;}
  .hero__copy{max-width:560px;position:relative;z-index:3;}
  .hero__visual{
    position:relative;
    min-height:420px;
    padding:40px 32px;
    z-index:2;
  }
}

/* ============ Section base ============ */
.section{padding:104px 0;position:relative;}
.section h2{font-size:clamp(1.9rem,4vw,2.7rem);line-height:1.08;margin-bottom:20px;text-transform:uppercase;}
.section--que-es{padding-top:64px;}
.section--que-es h2{text-transform:none;}
@media (max-width:640px){.section{padding:76px 0;}}

/* ---- Qué es (split) ---- */
.split{display:grid;grid-template-columns:1fr;gap:48px;align-items:center;}
.split__visual{
  position:relative;aspect-ratio:4/3;border-radius:28px;overflow:hidden;
  background:var(--glass-bg);border:1px solid var(--glass-border);
}
.mini-network{width:100%;height:100%;}
@media (min-width:900px){
  .section--que-es .split{grid-template-columns:.85fr 1.15fr;}
  .section--que-es .split__visual{order:0;}
}

/* ---- Sedes / timeline ---- */
.timeline{
  display:grid;grid-template-columns:1fr;gap:22px;margin-top:48px;position:relative;
}
.timeline::before{
  content:"";position:absolute;top:0;left:26px;bottom:0;width:1px;
  background:linear-gradient(to bottom, var(--red), var(--blue), var(--cyan));
  opacity:.5;
}
.timeline__card{
  position:relative;padding:30px 26px 26px 58px;border-radius:22px;
  background:var(--glass-bg);border:1px solid var(--glass-border);
  transition:transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
}
.timeline__card::before{
  content:"";position:absolute;left:20px;top:34px;width:13px;height:13px;border-radius:50%;
  background:var(--ink);border:2px solid var(--cyan);box-shadow:0 0 0 5px rgba(63,214,255,.12);
}
@media (hover:hover){.timeline__card:hover{transform:translateY(-4px);border-color:rgba(63,214,255,.35);box-shadow:var(--shadow-glow-blue);}}
.timeline__date{
  display:flex;align-items:baseline;gap:8px;font-family:'JetBrains Mono';
  font-size:1.9rem;font-weight:700;color:var(--white);margin-bottom:10px;
}
.timeline__date em{font-style:normal;font-size:.55em;letter-spacing:.12em;color:var(--cyan);}
.timeline__card h3{font-size:1.3rem;text-transform:uppercase;margin-bottom:6px;}
.timeline__tag{
  display:inline-block;font-family:'JetBrains Mono';font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:12px;
}
.timeline__card p:last-child{color:var(--mist);font-size:14.5px;}
@media (min-width:900px){
  .timeline{grid-template-columns:repeat(3,1fr);gap:26px;}
  .timeline::before{left:0;right:0;top:22px;bottom:auto;height:1px;width:auto;}
  .timeline__card{padding:34px 24px 26px;}
  .timeline__card::before{left:24px;top:-6px;}
}

/* ---- Ejes temáticos ---- */
.cards-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:48px;}
.axis-card{
  padding:32px 28px;border-radius:22px;
  background:var(--glass-bg);border:1px solid var(--glass-border);
  transition:transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
}
@media (hover:hover){.axis-card:hover{transform:translateY(-4px);border-color:rgba(183,39,28,.32);box-shadow:var(--shadow-glow-red);}}
.axis-card__icon{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;margin-bottom:20px;
  background:linear-gradient(135deg, rgba(183,39,28,.18), rgba(0,75,101,.18));
  border:1px solid var(--glass-border);
}
.axis-card__icon svg{width:26px;height:26px;color:var(--cyan);}
.axis-card h3{font-size:1.15rem;text-transform:none;letter-spacing:0;margin-bottom:10px;line-height:1.25;}
.axis-card p{color:var(--mist);font-size:14.5px;}
@media (min-width:640px){.cards-grid--2{grid-template-columns:repeat(2,1fr);}}
@media (min-width:760px){.cards-grid--3{grid-template-columns:repeat(3,1fr);}}

/* ---- Próximamente ---- */
.soon-card{
  padding:28px 24px;border-radius:20px;text-align:left;
  background:linear-gradient(155deg, rgba(255,255,255,.04), rgba(255,255,255,.008));
  border:1px dashed rgba(255,255,255,.16);
  display:flex;flex-direction:column;gap:14px;
}
.soon-card__icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:rgba(255,255,255,.05);border:1px solid var(--glass-border);}
.soon-card__icon svg{width:22px;height:22px;color:var(--mist);}
.soon-card h3{font-size:1.05rem;text-transform:none;}
.soon-tag{
  display:inline-flex;align-items:center;gap:8px;width:fit-content;
  font-family:'JetBrains Mono';font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--mist-dim);
  padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.04);
}
.soon-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 8px 2px rgba(63,214,255,.7);animation:pulse 1.8s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:.4;}50%{opacity:1;}}
@media (prefers-reduced-motion:reduce){.soon-tag .dot{animation:none;}}
@media (min-width:640px){.cards-grid--5{grid-template-columns:repeat(2,1fr);}}
@media (min-width:760px){.cards-grid--5{grid-template-columns:repeat(3,1fr);}}
@media (min-width:1200px){.cards-grid--5{grid-template-columns:repeat(5,1fr);}}

/* ---- Agenda 2026 ---- */
.section--agenda{position:relative;overflow:hidden;}
.section--agenda::before{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(ellipse 60% 50% at 0% 40%,rgba(0,75,101,.14) 0%,transparent 60%),
    radial-gradient(ellipse 50% 40% at 100% 60%,rgba(183,39,28,.10) 0%,transparent 60%);
}
.section--agenda .container{position:relative;z-index:1;}

/* City tab switcher */
.agenda-tabs{
  display:flex;gap:8px;margin:36px 0 32px;flex-wrap:wrap;
  padding:4px;background:rgba(255,255,255,.04);border:1px solid var(--glass-border);
  border-radius:14px;width:fit-content;
}
.agenda-tab{
  font-family:'JetBrains Mono',monospace;font-size:12px;font-weight:600;
  letter-spacing:.07em;text-transform:uppercase;
  padding:9px 20px;border-radius:10px;border:none;cursor:pointer;
  background:transparent;color:var(--mist);
  transition:background .2s,color .2s,box-shadow .2s;
}
.agenda-tab:hover{background:rgba(255,255,255,.06);color:var(--white);}
.agenda-tab.is-active{
  background:linear-gradient(135deg,rgba(183,39,28,.28),rgba(0,75,101,.32));
  color:var(--white);
  box-shadow:inset 0 0 0 1px rgba(63,214,255,.18);
}

/* City panel */
.agenda-city{display:none;}
.agenda-city.is-active{display:block;}
.agenda-city__meta{
  display:flex;align-items:center;gap:12px;
  margin-bottom:28px;
  padding:16px 20px;border-radius:14px;
  background:rgba(255,255,255,.03);border:1px solid var(--glass-border);
  font-size:13.5px;color:var(--mist);line-height:1.5;
}
.agenda-city__meta-icon{
  flex-shrink:0;width:36px;height:36px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(183,39,28,.18),rgba(0,75,101,.18));
  border:1px solid var(--glass-border);
}
.agenda-city__meta-icon svg{width:18px;height:18px;color:var(--cyan);}

/* Soon placeholder for cities without program yet */
.agenda-soon{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:64px 24px;border-radius:20px;text-align:center;
  border:1px dashed rgba(255,255,255,.14);
}
.agenda-soon p{color:var(--mist);font-size:14px;max-width:320px;}

/* Day header inside program */
.agenda-day{
  display:flex;align-items:center;gap:12px;
  padding:10px 0;margin-bottom:12px;
  font-family:'JetBrains Mono',monospace;font-size:11.5px;font-weight:600;
  letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);
}
.agenda-day::before,.agenda-day::after{
  content:"";flex:1;height:1px;
  background:linear-gradient(90deg,transparent,rgba(63,214,255,.22),transparent);
}

/* Program rows */
.agenda-program{display:flex;flex-direction:column;gap:2px;}
.agenda-row{
  display:grid;grid-template-columns:110px 1fr;gap:0;
  border-radius:0;border-bottom:1px solid rgba(255,255,255,.05);
  transition:background .15s;
}
.agenda-row:first-child{border-radius:14px 14px 0 0;}
.agenda-row:last-child{border-radius:0 0 14px 14px;border-bottom:none;}
.agenda-row:hover{background:rgba(255,255,255,.025);}
.agenda-row__time{
  padding:16px 16px 16px 20px;
  font-family:'JetBrains Mono',monospace;font-size:11.5px;font-weight:500;
  color:var(--mist-dim);letter-spacing:.04em;
  border-right:1px solid rgba(255,255,255,.06);
  display:flex;align-items:flex-start;padding-top:18px;
  white-space:nowrap;
}
.agenda-row__content{padding:14px 20px 14px 18px;display:flex;flex-direction:column;gap:7px;}
.agenda-block{
  display:inline-flex;align-items:center;width:fit-content;
  font-family:'JetBrains Mono',monospace;font-size:10.5px;font-weight:600;
  letter-spacing:.06em;text-transform:uppercase;
  padding:3px 10px;border-radius:6px;
}
.agenda-block--networking{background:rgba(63,214,255,.10);color:var(--cyan);}
.agenda-block--apertura{background:rgba(183,39,28,.18);color:#f87171;}
.agenda-block--charla{background:rgba(99,102,241,.2);color:#a5b4fc;}
.agenda-block--panel{background:rgba(139,92,246,.18);color:#c4b5fd;}
.agenda-block--pausa{background:rgba(255,255,255,.06);color:var(--mist);}
.agenda-block--cierre{background:rgba(251,146,60,.12);color:#fbbf24;}
.agenda-block--keynote{background:rgba(245,158,11,.16);color:#fcd34d;}
.agenda-block--feria{background:rgba(16,185,129,.12);color:#6ee7b7;}
.agenda-block--pitch{background:rgba(59,130,246,.15);color:#93c5fd;}
.agenda-block--actividad{background:rgba(34,197,94,.10);color:#86efac;}
.agenda-block--ceremonial{background:rgba(236,72,153,.12);color:#f9a8d4;}
.agenda-block--taller{background:rgba(20,184,166,.14);color:#5eead4;}
.agenda-block--plenario{background:rgba(168,85,247,.14);color:#d8b4fe;}
.agenda-row__detail{font-size:13.5px;color:var(--mist);line-height:1.55;}
.agenda-row__note{font-size:12px;color:var(--mist-dim);font-style:italic;margin-top:2px;}
.agenda-row--break .agenda-row__time,.agenda-row--break .agenda-row__content{opacity:.65;}

@media (max-width:640px){
  .agenda-row{grid-template-columns:1fr;}
  .agenda-row__time{border-right:none;border-bottom:1px solid rgba(255,255,255,.06);padding:12px 16px 8px;}
  .agenda-row__content{padding:10px 16px 14px;}
  .agenda-tabs{gap:6px;}
  .agenda-tab{padding:8px 14px;font-size:11px;}
  .agenda-city__meta{flex-direction:column;gap:8px;}
}
@media (min-width:760px){
  .agenda-row{grid-template-columns:130px 1fr;}
}

/* ---- Speakers ---- */
.section--speakers{position:relative;overflow:hidden;}
.section--speakers::before{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(ellipse 55% 45% at 15% 30%,rgba(63,214,255,.07) 0%,transparent 60%),
    radial-gradient(ellipse 45% 40% at 85% 70%,rgba(183,39,28,.08) 0%,transparent 60%);
}
.section--speakers .container{position:relative;z-index:1;}

/* grid */
/* ==== Speakers — carrusel ==== */

/* track & wrap */
.speaker-carousel{position:relative;margin-top:48px;}
.speaker-carousel__track-wrap{overflow:hidden;}
.speaker-carousel__track{
  display:flex;flex-wrap:nowrap;gap:20px;
  transition:transform 360ms cubic-bezier(.16,1,.3,1);
}

/* controles */
.speaker-carousel__controls{
  display:flex;align-items:center;justify-content:center;
  gap:20px;margin-top:28px;
}
.speaker-carousel__btn{
  width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  color:#9aa3b8;cursor:pointer;
  display:grid;place-items:center;flex-shrink:0;
  transition:
    background  150ms cubic-bezier(.4,0,.2,1),
    border-color 150ms cubic-bezier(.4,0,.2,1),
    color        150ms cubic-bezier(.4,0,.2,1),
    transform    100ms cubic-bezier(.4,0,.2,1);
}
.speaker-carousel__btn:hover:not(:disabled){
  background:rgba(63,214,255,.10);
  color:#3fd6ff;
  border-color:rgba(63,214,255,.28);
}
.speaker-carousel__btn:active:not(:disabled){transform:scale(.94);}
.speaker-carousel__btn:disabled{opacity:.22;cursor:default;pointer-events:none;}
.speaker-carousel__btn svg{
  width:20px;height:20px;
  stroke:currentColor;fill:none;
  stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;
}

/* dots */
.speaker-carousel__dots{display:flex;align-items:center;gap:10px;}
.speaker-carousel__dot{
  width:8px;height:8px;border-radius:50%;
  background:rgba(255,255,255,.18);
  border:none;padding:0;cursor:pointer;
  transition:
    background 200ms cubic-bezier(.4,0,.2,1),
    transform  200ms cubic-bezier(.16,1,.3,1);
}
.speaker-carousel__dot.is-active{background:#3fd6ff;transform:scale(1.3);}
.speaker-carousel__dot:hover:not(.is-active){background:rgba(255,255,255,.35);}
.speaker-carousel__dot:active{transform:scale(.8);}

/* prefers-reduced-motion: sin slide, sin stagger */
@media (prefers-reduced-motion:reduce){
  .speaker-carousel__track{transition:none;}
  .speaker-carousel__btn{transition:background 150ms,color 150ms;}
  .speaker-carousel__dot{transition:background 150ms;}
}

/* card */
.speaker-card{
  position:relative;overflow:hidden;
  flex-shrink:0; /* carrusel: JS fija el ancho */
  display:flex;flex-direction:column;align-items:center;
  gap:20px;padding:28px 22px 26px;
  border-radius:22px;
  background:linear-gradient(160deg,rgba(255,255,255,.055),rgba(255,255,255,.012));
  border:1px solid var(--glass-border);
  text-align:center;cursor:default;
  /* reveal: stagger via JS setTimeout — sin transition-delay en CSS */
  opacity:0;transform:translateY(24px);
  transition:
    opacity .5s cubic-bezier(.16,1,.3,1),
    transform .5s cubic-bezier(.16,1,.3,1),
    border-color .25s cubic-bezier(.4,0,.2,1),
    box-shadow   .25s cubic-bezier(.4,0,.2,1);
}
.speaker-card.is-revealed{opacity:1;transform:translateY(0);}
/* lift solo cuando ya reveló — evita conflicto con el reveal transform */
.speaker-card.is-revealed:hover{
  transform:translateY(-4px);
  border-color:rgba(63,214,255,.22);
  box-shadow:0 8px 40px -12px rgba(63,214,255,.14),0 2px 12px -4px rgba(0,0,0,.5);
}
@media (prefers-reduced-motion:reduce){
  .speaker-card{opacity:1;transform:none;transition:border-color .15s,box-shadow .15s;}
  .speaker-card.is-revealed:hover{transform:none;}
}

/* shimmer — transform only (fix: antes usaba `left`) */
.speaker-card::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(
    115deg,
    transparent 30%,
    rgba(255,255,255,.06) 50%,
    transparent 70%
  );
  transform:translateX(-100%);
  transition:transform .6s cubic-bezier(.16,1,.3,1);
  pointer-events:none;z-index:0;
}
.speaker-card.is-revealed:hover::before{transform:translateX(100%);}
@media (prefers-reduced-motion:reduce){.speaker-card::before{display:none;}}

/* foto con anillo gradiente */
.speaker-card__photo-wrap{
  position:relative;flex-shrink:0;
  width:128px;height:128px;border-radius:50%;
  padding:2.5px;
  background:linear-gradient(135deg,var(--cyan) 0%,rgba(183,39,28,.75) 55%,var(--cyan) 100%);
  box-shadow:0 0 0 0 rgba(63,214,255,0);
  transition:box-shadow .35s cubic-bezier(.4,0,.2,1);
  z-index:1;
}
.speaker-card.is-revealed:hover .speaker-card__photo-wrap{
  box-shadow:0 0 20px 2px rgba(63,214,255,.28),0 0 48px 8px rgba(63,214,255,.10);
}
.speaker-card__photo-inner{
  width:100%;height:100%;border-radius:50%;overflow:hidden;
  background:var(--ink-2);
}
.speaker-card__photo{
  width:100%;height:100%;
  object-fit:cover;object-position:center top;
  border-radius:50%;display:block;
  transition:transform .45s cubic-bezier(.16,1,.3,1);
}
.speaker-card.is-revealed:hover .speaker-card__photo{transform:scale(1.06);}
@media (prefers-reduced-motion:reduce){
  .speaker-card.is-revealed:hover .speaker-card__photo{transform:none;}
}

/* info */
.speaker-card__info{display:flex;flex-direction:column;gap:6px;z-index:1;width:100%;}
.speaker-card__name{
  font-family:'Space Grotesk',sans-serif;
  font-size:1.1rem;font-weight:600;
  color:var(--white);line-height:1.2;margin:0;
}
.speaker-card__role{font-size:14px;color:var(--mist);line-height:1.45;margin:0;}
.speaker-card__company{
  font-family:'JetBrains Mono',monospace;
  font-size:12px;font-weight:500;
  letter-spacing:.06em;text-transform:uppercase;
  color:var(--cyan);opacity:.8;margin:0;
}
.speaker-card__badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:fit-content;margin:4px auto 0;
  font-family:'JetBrains Mono',monospace;font-size:10px;font-weight:600;
  letter-spacing:.07em;text-transform:uppercase;
  padding:3px 10px;border-radius:6px;
  background:rgba(63,214,255,.10);color:var(--cyan);
}
.speaker-card__bio{
  font-size:13px;color:var(--mist);
  line-height:1.65;margin:4px 0 0;text-align:left;
}
.speaker-card__talk{
  margin-top:10px;padding:9px 12px;
  border-radius:10px;
  border:1px solid rgba(63,214,255,.16);
  background:rgba(63,214,255,.04);
  text-align:left;
}
.speaker-card__talk-label{
  display:block;
  font-family:'JetBrains Mono',monospace;font-size:10px;
  letter-spacing:.1em;text-transform:uppercase;
  color:rgba(63,214,255,.65);margin-bottom:3px;
}
.speaker-card__talk-title{
  display:block;font-size:12.5px;font-style:italic;
  color:#e8edf8;line-height:1.45;
}

/* ==== Empresas e Instituciones — marquee ====
   Dos filas en direcciones opuestas.
   Animación: transform solo (compositor-safe).
   Pausa en hover / focus.
   prefers-reduced-motion: grid estático.
   ============================================ */

.section--empresas{position:relative;overflow:hidden;padding-bottom:0;}
.section--empresas::before{
  content:"";position:absolute;inset:0;
  pointer-events:none;z-index:0;
  background:
    radial-gradient(ellipse 60% 40% at 0% 60%,rgba(63,214,255,.05) 0%,transparent 60%),
    radial-gradient(ellipse 50% 35% at 100% 40%,rgba(183,39,28,.06) 0%,transparent 60%);
}
.section--empresas .container{position:relative;z-index:1;margin-bottom:52px;}

/* fade en los bordes del marquee */
.logos-marquee{
  display:flex;flex-direction:column;gap:14px;
  padding:0 0 80px;
  position:relative;z-index:1;
  -webkit-mask-image:linear-gradient(to right,transparent 0%,#000 7%,#000 93%,transparent 100%);
  mask-image:linear-gradient(to right,transparent 0%,#000 7%,#000 93%,transparent 100%);
}
.logos-row{overflow:hidden;width:100%;}
.logos-track{
  display:flex;flex-wrap:nowrap;gap:14px;
  width:max-content;
  will-change:transform; /* permanente: siempre animando */
}

/* direcciones */
.logos-row--fwd .logos-track{animation:logos-fwd 55s linear infinite;}
.logos-row--rev .logos-track{animation:logos-rev 62s linear infinite;}

/* pausa en hover y focus (WCAG 2.2.2) */
.logos-marquee:hover .logos-track,
.logos-marquee:focus-within .logos-track{animation-play-state:paused;}

@keyframes logos-fwd{
  from{transform:translateX(0);}
  to{transform:translateX(-50%);}
}
@keyframes logos-rev{
  from{transform:translateX(-50%);}
  to{transform:translateX(0);}
}

/* item */
.logo-item{
  flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  width:200px;height:96px;
  padding:16px 24px;
  border-radius:14px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.075);
  transition:
    background  200ms cubic-bezier(.4,0,.2,1),
    border-color 200ms cubic-bezier(.4,0,.2,1);
}
.logo-item:hover{
  background:rgba(255,255,255,.085);
  border-color:rgba(255,255,255,.16);
}
.logo-item__img{
  max-width:156px;max-height:64px;
  width:auto;height:auto;
  object-fit:contain;display:block;
  /* Desaturación parcial: retiene color suficiente para legibilidad
     pero mantiene cohesión visual. Hover revela el color pleno. */
  filter:grayscale(.5) brightness(1.1) saturate(.8);
  opacity:.78;
  transition:
    opacity 250ms cubic-bezier(.4,0,.2,1),
    filter  250ms cubic-bezier(.4,0,.2,1);
}
.logo-item:hover .logo-item__img{
  filter:none;
  opacity:1;
}

/* prefers-reduced-motion: grid estático en lugar de marquee */
@media (prefers-reduced-motion:reduce){
  .logos-marquee{
    -webkit-mask-image:none;
    mask-image:none;
    gap:0;
    padding-bottom:72px;
  }
  .logos-row{overflow:visible;}
  .logos-row--rev{display:none;} /* una sola fila en modo estático */
  .logos-track{
    animation:none;
    flex-wrap:wrap;
    justify-content:center;
    width:100%;
    gap:12px;
    padding:0 24px;
  }
}

/* ---- Revive 2025 ---- */
.section--revive{overflow:hidden;}
.section--revive::before{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(ellipse 65% 55% at 5% 65%,rgba(183,39,28,.13) 0%,transparent 60%),
    radial-gradient(ellipse 55% 50% at 95% 35%,rgba(0,75,101,.16) 0%,transparent 60%),
    radial-gradient(ellipse 30% 22% at 50% 98%,rgba(63,214,255,.06) 0%,transparent 60%);
}
.section--revive::after{
  content:"2025";position:absolute;bottom:-0.12em;right:-0.04em;
  font-family:'JetBrains Mono',monospace;font-weight:700;
  font-size:clamp(14rem,22vw,22rem);line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.045);
  pointer-events:none;user-select:none;z-index:0;
}
.section--revive .container{position:relative;z-index:1;}

.stats-band{
  display:grid;grid-template-columns:repeat(2,1fr);gap:14px;
  margin:48px 0 56px;
  background:none;border-radius:0;overflow:visible;
}
.stat{
  position:relative;overflow:hidden;
  background:linear-gradient(155deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  border:1px solid rgba(255,255,255,.1);
  border-radius:16px;
  padding:38px 20px 30px;text-align:center;
  backdrop-filter:blur(12px);
  transition:transform .4s var(--ease),border-color .35s var(--ease);
}
.stat::before{
  content:"";position:absolute;top:0;left:20%;right:20%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(63,214,255,.5),transparent);
}
.stat::after{
  content:"";position:absolute;top:-50px;left:50%;transform:translateX(-50%);
  width:160px;height:110px;pointer-events:none;
  background:radial-gradient(ellipse,rgba(63,214,255,.09) 0%,transparent 70%);
}
@media(hover:hover){
  .stat:hover{transform:translateY(-5px);border-color:rgba(63,214,255,.22);}
}
.stat__num{
  display:block;font-family:'JetBrains Mono';font-weight:700;
  font-size:clamp(2.4rem,5vw,3.8rem);
  color:var(--white);
  text-shadow:0 0 36px rgba(63,214,255,.42),0 2px 10px rgba(0,0,0,.55);
  margin-bottom:8px;position:relative;z-index:1;
}
.stat__label{
  font-size:12px;color:var(--mist);
  text-transform:uppercase;letter-spacing:.1em;
  position:relative;z-index:1;
}
@media(min-width:760px){.stats-band{grid-template-columns:repeat(4,1fr);}}

.gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.gallery__tile{
  aspect-ratio:4/3;border-radius:18px;position:relative;overflow:hidden;
  background:
    linear-gradient(155deg, rgba(183,39,28,.22), rgba(0,75,101,.22)),
    linear-gradient(rgba(63,214,255,.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(63,214,255,.14) 1px, transparent 1px);
  background-size:cover, 20px 20px, 20px 20px;
  border:1px solid var(--glass-border);
  display:flex;align-items:flex-end;padding:14px;
  transition:transform .4s var(--ease);
}
@media (hover:hover){.gallery__tile:hover{transform:scale(1.03);}}
.gallery__tile span{font-family:'JetBrains Mono';font-size:11px;color:rgba(255,255,255,.6);letter-spacing:.06em;}
.gallery__tile::after{
  content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-60%);
  width:36px;height:36px;opacity:.2;pointer-events:none;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='white' stroke-width='1.5'%3E%3Crect x='3' y='5' width='18' height='14' rx='2'/%3E%3Ccircle cx='8.5' cy='10.5' r='1.5'/%3E%3Cpath d='m21 15-5-5L5 19'/%3E%3C/svg%3E") center/contain no-repeat;
}
.gallery__tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;display:block;}
.gallery__tile:has(img)::after{display:none;}
.gallery__tile:has(img){cursor:pointer;}
/* ── Viewer ── */
.lightbox__head-actions{display:flex;align-items:center;gap:16px;flex:none;}
.viewer__counter{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--mist-dim);letter-spacing:.06em;white-space:nowrap;}
.viewer__stage{display:flex;align-items:center;gap:10px;}
.viewer__img{flex:1;min-width:0;max-height:65vh;width:100%;object-fit:contain;border-radius:12px;background:rgba(255,255,255,.03);}
.viewer__arrow{flex:none;width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.06);border:1px solid var(--glass-border);display:grid;place-items:center;color:var(--white);cursor:pointer;transition:background .2s,transform .2s;}
.viewer__arrow:hover{background:rgba(255,255,255,.13);transform:scale(1.08);}
.viewer__arrow svg{width:18px;height:18px;}
@media(max-width:480px){.viewer__arrow{width:34px;height:34px;}.viewer__arrow svg{width:15px;height:15px;}.viewer__img{max-height:52vh;}}
.gallery__cta{margin-top:32px;}
@media (min-width:640px){.gallery{grid-template-columns:repeat(4,1fr);}}
.gallery--modal{grid-template-columns:repeat(2,1fr);}
@media (min-width:640px){.gallery--modal{grid-template-columns:repeat(3,1fr);}}

dialog.lightbox{
  border:0;border-radius:26px;padding:0;max-width:880px;width:92vw;
  background:var(--ink-2);color:var(--white);
  box-shadow:0 40px 100px -20px rgba(0,0,0,.7);
}
dialog.lightbox::backdrop{background:rgba(2,3,6,.78);backdrop-filter:blur(6px);}
.lightbox__inner{padding:34px;max-height:90vh;overflow-y:auto;}
.lightbox__head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:24px;gap:20px;}
.lightbox__close{width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.06);border:1px solid var(--glass-border);display:grid;place-items:center;flex:none;}
.lightbox__close svg{width:16px;height:16px;}
.lightbox__note{color:var(--mist-dim);font-size:12.5px;margin-top:18px;font-family:'JetBrains Mono';}

/* ============ Footer ============ */
.footer{padding:64px 0 32px;border-top:1px solid var(--line);background:var(--ink-1);}
.footer__inner{display:flex;flex-direction:column;gap:40px;}
.footer__logo{height:auto;width:min(180px,45vw);}
@media (min-width:760px){.footer__logo{width:220px;}}
.footer__cols{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:480px){.footer__cols{grid-template-columns:repeat(2,1fr);}}
.footer__cols h4{font-family:'JetBrains Mono';font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--mist-dim);margin-bottom:14px;font-weight:500;}
.footer__cols a{display:block;color:var(--mist);font-size:14.5px;padding:5px 0;transition:color .25s;}
.footer__cols a:hover{color:var(--white);}
.footer__social{display:flex;gap:12px;}
.footer__social a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.04);border:1px solid var(--glass-border);display:grid;place-items:center;}
.footer__social a:hover{background:rgba(255,255,255,.09);}
.footer__social svg{width:16px;height:16px;}
.footer__legal{margin-top:44px;color:var(--mist-dim);font-size:12.5px;font-family:'JetBrains Mono';display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;border-top:1px solid var(--line-soft);padding-top:24px;}
@media (min-width:760px){
  .footer__inner{flex-direction:row;align-items:flex-start;justify-content:space-between;}
  .footer__cols{grid-template-columns:repeat(3,1fr);gap:56px;}
}