/* landing-v4 · hero: port vanilla de lyai-shared/components/scroll-triggered-video-hero (21st.dev @daiwiikharihar) */
  :root{
    --gold:#7FD0D3; --gold-dim:#42A5AA; --ink:#F5F8FC; --ink-dim:rgba(235,242,250,.78);
    --ink-mute:rgba(244,241,234,.5); --line:rgba(255,255,255,.12); --night:#0B1736;
    --ease-out:cubic-bezier(.16,1,.3,1);
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{margin:0;background:var(--night);color:var(--ink);font-family:Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased}
  .mono{font-family:'JetBrains Mono',monospace}

  /* ── Nav ── */
  .nav{position:fixed;inset:0 0 auto;z-index:60;display:flex;align-items:center;justify-content:space-between;padding:22px clamp(16px,5vw,64px);mix-blend-mode:normal}
  .brand{display:flex;align-items:center;gap:10px;font-family:'Inter Tight';font-weight:700;font-size:20px;letter-spacing:-.02em;color:var(--ink);text-decoration:none}
  .brand i{display:block;width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 12px var(--gold)}
  .nav ul{display:flex;gap:28px;list-style:none;margin:0;padding:0}
  .nav a.l{color:var(--ink-dim);text-decoration:none;font-size:13px;letter-spacing:.04em}
  .nav a.l:hover{color:var(--ink)}
  .lang{font-size:11px;color:var(--ink-mute);letter-spacing:.12em}
  .lang b{color:var(--ink)}
  @media (max-width:760px){.nav ul{display:none}}

  /* ── Hero (port vanilla de lyai-shared/components/scroll-triggered-video-hero) ── */
  .svh{position:relative;width:100%}
  .svh-sticky{position:sticky;top:0;height:100vh;height:100svh;width:100%;overflow:hidden;background:#000}
  .svh-layer{position:absolute;inset:0;opacity:0;transition:opacity 1.2s ease-in-out}
  .svh-layer.on{opacity:1;z-index:1}
  .svh-layer video,.svh-layer img{width:100%;height:100%;object-fit:cover;display:block}
  .svh-layer img{transform:scale(1.12);transition:transform 9s linear}
  .svh-layer.on img{transform:scale(1)}
  .svh-layer::after{content:"";position:absolute;inset:0;background:
    linear-gradient(90deg,rgba(0,0,0,.62) 0%,rgba(0,0,0,.25) 55%,rgba(0,0,0,.1) 100%),
    linear-gradient(0deg,rgba(0,0,0,.55) 0%,transparent 35%)}
  .grain{pointer-events:none;position:absolute;inset:0;z-index:5;opacity:.07;mix-blend-mode:overlay;
    background-image:url("../img/grain.svg")}

  /* Telemetría en vivo (el dato como elemento gráfico) */
  .telemetry{position:absolute;right:clamp(16px,5vw,64px);bottom:clamp(110px,14vh,150px);z-index:6;text-align:right}
  .telemetry .row{display:flex;gap:28px;justify-content:flex-end}
  .telemetry .k{font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-mute)}
  .telemetry .v{font-family:'Inter Tight';font-weight:700;font-size:clamp(22px,2.4vw,34px);letter-spacing:-.02em}
  .telemetry .src{margin-top:10px;font-size:10px;color:var(--ink-mute)}
  .telemetry .live{display:inline-flex;align-items:center;gap:6px;color:var(--gold)}
  .telemetry .live::before{content:"";width:6px;height:6px;border-radius:50%;background:#3ddc84;box-shadow:0 0 8px #3ddc84;animation:pulse 2s infinite}
  @keyframes pulse{50%{opacity:.35}}
  @media (max-width:760px){.telemetry{display:none}}

  .svh-chapters{position:absolute;inset:0;z-index:30;pointer-events:none}
  .chapter{height:100vh;height:100svh;display:flex;align-items:center;padding:0 clamp(16px,7vw,96px)}
  .chapter-inner{max-width:56rem;pointer-events:auto}
  .eyebrow{display:flex;align-items:center;gap:16px;margin-bottom:24px}
  .eyebrow span.bar{height:2px;width:48px;background:var(--gold)}
  .eyebrow span.t{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.3em;color:var(--gold)}
  .mask{overflow:hidden;padding:.08em 0;margin-bottom:24px}
  .chapter h1,.chapter h2{margin:0;font-family:'Inter Tight';font-weight:700;letter-spacing:-.045em;line-height:.92;
    font-size:clamp(38px,5.6vw,88px);color:var(--ink);text-wrap:balance;overflow-wrap:anywhere}
  .chapter h1 em,.chapter h2 em{font-family:'Instrument Serif';font-style:italic;font-weight:400;letter-spacing:-.01em;color:var(--gold)}
  .glass{max-width:30rem;padding:24px;border-radius:16px;border:1px solid var(--line);background:rgba(255,255,255,.05);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 30px 60px -20px rgba(0,0,0,.6)}
  .glass p{margin:0;font-size:clamp(15px,1.25vw,18px);line-height:1.6;font-weight:300;color:var(--ink-dim)}
  .glass p b{color:var(--ink);font-weight:500}
  .cta{margin-top:40px;display:inline-flex;align-items:center;gap:16px;color:var(--ink);text-decoration:none;font-weight:600;
    transition:transform .3s var(--ease-out)}
  .cta:hover{transform:translateX(10px)}
  .cta .ring{position:relative;width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.3);display:grid;place-items:center;overflow:hidden}
  .cta .ring::before{content:"";position:absolute;inset:0;background:var(--ink);transform:translateY(100%);transition:transform .3s}
  .cta:hover .ring::before{transform:translateY(0)}
  .cta .ring svg{position:relative;z-index:1;width:20px;height:20px;transition:color .3s}
  .cta:hover .ring svg{color:#000}
  .cta .lbl{font-size:12px;text-transform:uppercase;letter-spacing:.2em}

  /* reveal (equivalente a whileInView + stagger) */
  .rv{opacity:0;transform:translateY(20px);transition:opacity .8s ease-out .4s,transform .8s ease-out .4s}
  .mask .rv-title{display:block;transform:translateY(100%);opacity:0;transition:transform .8s var(--ease-out) .1s,opacity .8s var(--ease-out) .1s}
  .chapter.in .rv{opacity:1;transform:none}
  .chapter.in .mask .rv-title{transform:none;opacity:1}
  .chapter.in .rv.d2{transition-delay:.5s}
  .chapter.in .rv.d3{transition-delay:.6s}

  /* Píldora inferior */
  .pill{position:fixed;left:50%;bottom:32px;z-index:50;display:flex;align-items:center;gap:16px;padding:8px 8px 8px 24px;border-radius:999px;
    background:rgba(0,0,0,.8);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--line);
    box-shadow:0 25px 50px -12px rgba(0,0,0,.6);transform:translate(-50%,120px);opacity:0;transition:transform .6s var(--ease-out) .5s,opacity .6s .5s}
  .pill.show{transform:translate(-50%,0);opacity:1}
  .pill.gone{transform:translate(-50%,120px);opacity:0;transition-delay:0s}
  .pill .k{font-size:10px;text-transform:uppercase;letter-spacing:.2em;color:var(--ink-mute)}
  .pill .name{display:block;min-width:150px;font-size:12px;font-weight:700;transition:opacity .25s,transform .25s}
  .pill .name.swap{opacity:0;transform:translateY(-8px)}
  .pill .dial{position:relative;width:48px;height:48px}
  .pill .dial svg{width:48px;height:48px;transform:rotate(-90deg)}
  .pill .dial .num{position:absolute;inset:0;display:grid;place-items:center;font-size:11px;color:var(--gold)}
  .pill .dots{display:flex;gap:6px;margin-right:6px}
  .pill .dots button{width:6px;height:6px;padding:0;border-radius:50%;border:0;background:rgba(255,255,255,.25);cursor:pointer;transition:all .3s}
  .pill .dots button.on{background:var(--gold);width:18px;border-radius:3px}

  /* «Pour qui» */
  .after{position:relative;z-index:40;background:var(--night);padding:clamp(80px,12vw,160px) clamp(16px,7vw,96px)}
  .after h2{font-family:'Inter Tight';font-weight:700;letter-spacing:-.04em;line-height:.95;font-size:clamp(32px,5vw,72px);margin:0 0 20px;text-wrap:balance;overflow-wrap:anywhere}
  .after h2 em{font-family:'Instrument Serif';font-style:italic;font-weight:400;color:var(--gold)}
  .after .lead{max-width:40rem;color:var(--ink-dim);font-weight:300;line-height:1.6;font-size:17px;margin:0 0 56px}

  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;transition-delay:0s!important}
  }

  /* «Pour qui» · port vanilla de lyai-shared/components/morphing-dialog (21st.dev @ibelick) */
  .cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
  @media (max-width:1000px){.cards{grid-template-columns:1fr 1fr}}
  @media (max-width:560px){.cards{grid-template-columns:1fr}}
  .md-trigger{position:relative;display:flex;flex-direction:column;overflow:hidden;border-radius:12px;border:1px solid var(--line);
    background:var(--card);cursor:pointer;text-align:left;color:inherit;font:inherit;padding:0;
    transition:border-color .3s,transform .4s var(--ease),box-shadow .3s}
  .md-trigger:hover{border-color:rgba(212,175,55,.45);transform:translateY(-4px);box-shadow:0 24px 48px -20px rgba(0,0,0,.8)}
  .md-trigger:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
  .md-trigger.ghost{visibility:hidden}
  .md-img{display:block;width:100%;object-fit:cover}
  .md-trigger .md-img{height:200px;filter:saturate(.9);transition:transform .8s var(--ease)}
  .md-trigger:hover .md-img{transform:scale(1.04)}
  .md-foot{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;padding:16px}
  .md-n{font-size:10px;letter-spacing:.2em;color:var(--gold)}
  .md-title{font-family:'Inter Tight';font-weight:700;font-size:18px;letter-spacing:-.02em;margin:6px 0 4px;line-height:1.15}
  .md-sub{font-size:12px;color:var(--ink-mute)}
  .md-plus{flex-shrink:0;width:28px;height:28px;border-radius:8px;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink-dim);transition:all .3s}
  .md-trigger:hover .md-plus{border-color:var(--gold);color:var(--gold);transform:rotate(90deg)}
  .md-plus svg{width:14px;height:14px}

  /* Diálogo */
  .md-backdrop{position:fixed;inset:0;z-index:80;background:rgba(0,0,0,.55);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);opacity:0;transition:opacity .35s}
  .md-backdrop.on{opacity:1}
  .md-dialog{position:fixed;z-index:81;overflow:hidden;border:1px solid var(--line);background:var(--card);border-radius:24px;
    box-shadow:0 40px 100px -20px rgba(0,0,0,.9);display:flex;flex-direction:column}
  .md-dialog .md-img{height:280px;flex-shrink:0}
  .md-dialog .md-body{padding:28px;overflow-y:auto}
  .md-dialog .md-title{font-size:clamp(24px,2.4vw,30px);margin:8px 0 6px}
  .md-dialog .md-sub{font-size:13px}
  .md-desc{opacity:0;transform:translateY(60px) scale(.94);transition:opacity .4s ease .12s,transform .5s var(--ease) .12s}
  .md-dialog.open .md-desc{opacity:1;transform:none}
  .md-desc p{margin:16px 0 0;color:var(--ink-dim);font-size:15px;line-height:1.65;font-weight:300}
  .md-desc p b{color:var(--ink);font-weight:500}
  .md-points{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:10px}
  .md-points li{display:flex;gap:10px;font-size:14px;color:var(--ink-dim);line-height:1.5}
  .md-points svg{width:16px;height:16px;flex-shrink:0;color:var(--gold);margin-top:2px}
  .md-cta{margin-top:26px;display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:999px;background:var(--gold);color:#111;
    font-weight:600;font-size:13px;text-decoration:none;letter-spacing:.02em}
  .md-cta svg{width:16px;height:16px}
  .md-close{position:absolute;right:16px;top:16px;z-index:2;width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.2);
    background:rgba(0,0,0,.55);backdrop-filter:blur(10px);color:var(--ink);display:grid;place-items:center;cursor:pointer;opacity:0;transition:opacity .3s .15s,background .2s}
  .md-close:hover{background:rgba(0,0,0,.8)}
  .md-dialog.open .md-close{opacity:1}
  .md-close svg{width:18px;height:18px}
  body.locked{overflow:hidden}
  .after .lead{margin-bottom:48px}

/* ── Capa de marca LyAi (navy #0F1F47 · turquesa #42A5AA) ── */
.brand{font-size:22px;letter-spacing:-.03em}
.brand b{color:var(--gold);font-weight:700}
.chapter h1,.chapter h2{letter-spacing:-.04em;line-height:.98}
.chapter h1 em,.chapter h2 em,.after h2 em{font-family:inherit;font-style:normal;font-weight:700;letter-spacing:inherit;color:var(--gold)}
.svh-layer::after{background:linear-gradient(90deg,rgba(11,23,54,.82) 0%,rgba(11,23,54,.45) 50%,rgba(11,23,54,.08) 100%),linear-gradient(0deg,rgba(11,23,54,.6) 0%,transparent 35%)}
.glass{background:rgba(11,23,54,.45);border-color:rgba(127,208,211,.22)}
.pill{background:rgba(11,23,54,.85)}

/* respuesta real dentro del capítulo «Le service» */
.chat{display:flex;flex-direction:column;gap:10px}
.chat .q{align-self:flex-end;background:#42A5AA;color:#06202a;font-weight:500;padding:10px 14px;border-radius:16px 16px 4px 16px;font-size:14px;max-width:85%}
.chat .a{align-self:flex-start;background:#fff;color:#0F1F47;padding:12px 14px;border-radius:16px 16px 16px 4px;font-size:14px;line-height:1.55;max-width:95%}
.chat .a b{color:#0F1F47}
.chat .a.al{border-left:3px solid #D9342B}
.chat .a .t{color:#D9342B;font-weight:600;font-size:12px}
.chat .src{display:block;margin-top:6px;font-size:10px;color:#8590A8;font-family:'JetBrains Mono',monospace}

/* secciones bajo el hero: claras e institucionales */
.after{background:#fff;color:#0F1F47}
.after .eyebrow span.t{color:#2E7F84}.after .eyebrow span.bar{background:#42A5AA}
.after h2 em{color:#2E7F84}
.after .lead{color:#4A5675}
.md-trigger{background:#fff;border-color:#E3E7EF;color:#0F1F47}
.md-trigger:hover{border-color:#42A5AA;box-shadow:0 24px 48px -24px rgba(15,31,71,.35)}
.md-trigger .md-sub,.md-dialog .md-sub{color:#8590A8}
.md-n{color:#2E7F84}
.md-plus{border-color:#E3E7EF;color:#4A5675}
.md-trigger:hover .md-plus{border-color:#42A5AA;color:#2E7F84}
.md-backdrop{background:rgba(11,23,54,.55)}
.md-dialog{background:#fff;color:#0F1F47;border-color:#E3E7EF}
.md-desc p{color:#4A5675}.md-desc p b{color:#0F1F47}
.md-points li{color:#4A5675}.md-points svg{color:#2E7F84}
.md-cta{background:#0F1F47;color:#fff;transition:background .2s,transform .2s,box-shadow .2s;cursor:pointer}
.md-cta:hover{background:#182E60;transform:translateY(-1px);box-shadow:0 8px 16px -4px rgba(15,31,71,.35)}
.md-cta:active{transform:translateY(0);box-shadow:none}
.phases{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
@media (max-width:960px){.phases{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.phases{grid-template-columns:1fr}}
.phases div{border-top:3px solid #0F1F47;padding-top:18px}
.phases div:first-child{border-color:#42A5AA}
.phases small{font-size:11px;color:#8590A8;letter-spacing:.08em}
.phases h3{font-family:'Inter Tight';margin:6px 0 8px;font-size:20px;letter-spacing:-.02em}
.phases p{margin:0;color:#4A5675;font-size:14px;line-height:1.6}
.after + .after{border-top:1px solid #E3E7EF}
.nav{transition:background .3s,box-shadow .3s}
.nav.solid{background:rgba(255,255,255,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 1px 0 #E3E7EF}
.nav.solid .brand{color:#0F1F47}.nav.solid .brand b{color:#42A5AA}
.nav.solid a.l{color:#4A5675}.nav.solid .lang{color:#8590A8}.nav.solid .lang b{color:#0F1F47}

/* Logo (img/brand · extraído de media/new cover ART - LyAi.jpg, fondo transparente) */
.brand img{display:block;height:52px;width:auto}
.brand .logo-dark{display:none}
.nav.solid .brand .logo-light{display:none}
.nav.solid .brand .logo-dark{display:block}
@media (max-width:760px){.brand img{height:42px}}