/* ============================================================================
 * Landing vibliv.com — sistema de diseño propio del bloque.
 * Alineado con la marca del ecosistema (launcher/dock comunes): azul→violeta
 * sobre slate. Acento cálido (ámbar) reservado para lo futuro/«pronto».
 * CSP `style-src 'self'`: TODO el estilo vive aquí; nada inline.
 * ========================================================================== */

:root{
  /* slate + marca ecosistema (= vibliv-launcher: #3b82f6 → #8b5cf6) */
  --bg:#0b1120; --panel:#111a2f; --panel-2:#0d1526;
  --ink:#f8fafc; --ink-soft:#cbd5e1; --muted:#94a3b8;
  --line:#1e293b; --line-strong:#2b3a55; --line-soft:rgba(148,163,184,.13);
  --brand:#3b82f6; --brand-2:#8b5cf6;
  --brand-soft:#93c5fd; --brand-2-soft:#c4b5fd;
  --grad:linear-gradient(135deg,var(--brand),var(--brand-2));
  --grad-deep:linear-gradient(135deg,#2563eb,#7c3aed);
  --warm:#fbbf24;
  --font-sans:'Inter','Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif;
  --font-serif:Georgia,'Times New Roman',serif;
  --radius:16px; --radius-lg:24px; --maxw:1120px;
}
*{box-sizing:border-box}
html{scroll-padding-top:88px;scrollbar-color:#334155 transparent}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:var(--font-sans);
  line-height:1.58; -webkit-font-smoothing:antialiased; position:relative; overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
::selection{background:rgba(139,92,246,.42);color:var(--ink)}
:focus-visible{outline:2px solid var(--brand-soft);outline-offset:3px;border-radius:4px}

/* salto al contenido (accesibilidad) */
.skip{
  position:absolute;left:16px;top:-48px;z-index:100;padding:10px 16px;border-radius:10px;
  background:var(--panel);border:1px solid var(--line-strong);color:var(--ink);font-size:14px;
  transition:top .15s ease;
}
.skip:focus-visible{top:12px}

/* fondo ambiental: aurora azul→violeta + rejilla de puntos que se desvanece */
.backdrop{position:absolute;inset:0 0 auto 0;height:900px;pointer-events:none;z-index:0;overflow:hidden}
.backdrop::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(640px 380px at 18% 6%, rgba(59,130,246,.17), transparent 70%),
    radial-gradient(560px 340px at 84% 2%, rgba(139,92,246,.14), transparent 70%),
    radial-gradient(900px 500px at 50% -10%, rgba(99,102,241,.08), transparent 75%);
  filter:blur(4px);
}
.backdrop::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(148,163,184,.14) 1px, transparent 1.4px);
  background-size:28px 28px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 72%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 72%);
}

/* nav pegada con velo */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(11,17,32,.74);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-soft);
}
.nav-inner{
  max-width:var(--maxw);margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:10px;min-height:44px;font-weight:700;letter-spacing:.2px}
.brand-dot{
  width:14px;height:14px;border-radius:50%;
  background:var(--grad);
  box-shadow:0 0 16px rgba(99,102,241,.75);
}
.brand-dot.small{width:10px;height:10px;box-shadow:0 0 10px rgba(99,102,241,.6)}
.brand-name{font-size:18px}
.nav-links{display:flex;gap:22px;color:var(--muted);font-size:14px;align-items:center}
.nav-links a{
  display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;
  transition:color .15s ease;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a.nav-cta{
  color:#fff;background:var(--grad-deep);border-radius:999px;padding:8px 18px;font-weight:700;
  box-shadow:0 8px 22px -10px rgba(99,102,241,.8);border:1px solid rgba(255,255,255,.14);
  transition:transform .12s ease,box-shadow .18s ease,filter .18s ease;
}
.nav-links a.nav-cta:hover{color:#fff;filter:brightness(1.1);transform:translateY(-1px)}

/* layout */
main{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:68px 0;border-top:1px solid var(--line-soft)}
.section-title{font-size:clamp(24px,3.2vw,34px);margin:0 0 10px;letter-spacing:-.018em}
.section-title::before{
  content:"";display:block;width:30px;height:3px;border-radius:3px;
  background:var(--grad);margin-bottom:16px;
}
.section-sub{color:var(--muted);margin:0 0 34px;max-width:680px}

/* hero */
.hero{padding:76px 0 60px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;align-items:center}
.hero-copy{max-width:760px}
.eyebrow{
  text-transform:uppercase;letter-spacing:.18em;font-size:12px;color:var(--brand-soft);
  margin:0 0 20px;font-weight:600;display:flex;align-items:center;gap:12px;
}
.eyebrow::before{content:"";width:24px;height:2px;border-radius:2px;background:var(--grad);flex:0 0 auto}
.hero h1{font-size:clamp(40px,6.6vw,74px);line-height:1.03;margin:0 0 22px;font-weight:800;letter-spacing:-.028em}
.h1-sub{display:block;font-size:.56em;font-weight:650;color:var(--ink-soft);letter-spacing:-.012em;margin-top:10px}
.grad-text{color:var(--brand-soft)}
@supports ((-webkit-background-clip:text) or (background-clip:text)){
  .grad-text{
    background:linear-gradient(100deg,#60a5fa 10%,#a78bfa 60%,#c4b5fd 95%);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
}
.lede{font-size:clamp(16px,2.2vw,20px);color:var(--ink-soft);max-width:660px;margin:0 0 32px}
.lede strong{color:var(--ink);font-weight:650}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 26px;border-radius:999px;font-weight:600;font-size:15px;
  border:1px solid transparent;
  transition:transform .12s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease,filter .18s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{
  background:var(--grad-deep);color:#fff;border-color:rgba(255,255,255,.14);
  box-shadow:0 14px 34px -14px rgba(99,102,241,.85);
}
.btn-primary:hover{filter:brightness(1.1);transform:translateY(-1px)}
.btn-ghost{border-color:var(--line-strong);color:var(--ink)}
.btn-ghost:hover{border-color:rgba(139,92,246,.6);color:var(--brand-2-soft)}

/* constelación del hero: tu nodo en el centro, unidos alrededor */
.hero-art{display:none}
.constellation{width:100%;height:auto;display:block}
.constellation .orbit{transform-box:view-box;transform-origin:50% 50%}
.constellation .pulse{transform-box:fill-box;transform-origin:center}
@media (prefers-reduced-motion:no-preference){
  .constellation .orbit{animation:orbit-turn 90s linear infinite}
  .constellation .pulse{animation:core-pulse 4.5s ease-in-out infinite}
}
@keyframes orbit-turn{to{transform:rotate(360deg)}}
@keyframes core-pulse{0%,100%{transform:scale(1);opacity:.4}50%{transform:scale(1.16);opacity:.12}}

/* chips de proveedores */
.providers{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 0;padding:0}
.chip{
  font-size:13px;font-weight:600;color:var(--ink);
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:999px;padding:7px 15px;
  display:inline-flex;align-items:center;gap:8px;
}
.chip::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--grad);box-shadow:0 0 10px rgba(99,102,241,.7)}
.chip-soft{color:var(--muted);font-weight:500;border-style:dashed}
.chip-soft::before{background:var(--warm);box-shadow:0 0 8px rgba(251,191,36,.45)}

/* tarjetas (pilares y visión) */
.features{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
  transition:border-color .18s ease,transform .15s ease,box-shadow .18s ease;
}
.card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:2px;
  background:var(--grad);opacity:0;transition:opacity .18s ease;
}
.card:hover{
  border-color:rgba(99,102,241,.45);transform:translateY(-3px);
  box-shadow:0 22px 44px -24px rgba(59,130,246,.4);
}
.card:hover::before{opacity:.8}
.card-ico{
  display:grid;place-items:center;width:44px;height:44px;margin-bottom:16px;
  border-radius:12px;color:var(--brand-soft);
  background:rgba(59,130,246,.10);border:1px solid rgba(99,102,241,.32);
  transition:color .18s ease,border-color .18s ease;
}
.card:hover .card-ico{color:var(--brand-2-soft);border-color:rgba(139,92,246,.5)}
.card-ico svg{width:24px;height:24px}
.card h3{margin:0 0 9px;font-size:18px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.card p{margin:0;color:var(--muted);font-size:15px}
.card p em,.lede em{color:var(--brand-soft);font-style:normal}
.tag-soon{
  font-size:10.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--warm);border:1px solid rgba(251,191,36,.4);border-radius:999px;padding:3px 9px;
}

/* flujo «cómo funciona»: pasos-tarjeta unidos por un raíl de marca */
.flow{
  list-style:none;margin:0;padding:0;position:relative;
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.flow.flow-5{grid-template-columns:repeat(5,1fr)}
.flow::before{
  content:"";position:absolute;left:26px;right:26px;top:42px;height:2px;
  background:linear-gradient(90deg,rgba(59,130,246,0),rgba(59,130,246,.5) 18%,rgba(139,92,246,.5) 82%,rgba(139,92,246,0));
}
.flow-step{
  position:relative;background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px 20px;
  transition:border-color .18s ease;
}
.flow-step:hover{border-color:rgba(99,102,241,.4)}
.flow-n{
  display:grid;place-items:center;width:40px;height:40px;border-radius:50%;
  font-size:16px;font-weight:800;color:#fff;background:var(--grad-deep);
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 8px 22px -10px rgba(99,102,241,.9);margin-bottom:14px;
}
.flow-step h3{margin:0 0 7px;font-size:16px}
.flow-step p{margin:0;color:var(--muted);font-size:14px}

/* puente bajo el flujo */
.howto-bridge{color:var(--muted);font-size:15px;max-width:720px;margin:28px 0 0}
.howto-bridge strong{color:var(--ink)}
.howto-bridge a{color:var(--brand-soft);white-space:nowrap}
.howto-bridge a:hover{color:var(--brand-2-soft)}

/* bloques de preguntas (lo que necesitas saber) */
.blocks{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:4px}
.block{
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;
  display:flex;flex-direction:column;gap:6px;overflow-wrap:anywhere;
  transition:border-color .18s ease;
}
.block:hover{border-color:var(--line-strong)}
.block-name{margin:0;font-weight:700;color:var(--ink);font-size:15px;display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.block-name::before{content:"";width:8px;height:8px;border-radius:3px;background:var(--grad);flex:0 0 auto}
.block-role{margin:0;color:var(--muted);font-size:14px}
.faq-list{margin-bottom:0}
.block-wide{grid-column:1/-1}

/* galería de la visión (tarjeta insignia a ancho completo) */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card-feature{
  grid-column:1/-1;border-color:rgba(99,102,241,.42);
  background:
    linear-gradient(135deg,rgba(59,130,246,.10),rgba(139,92,246,.06) 55%,rgba(139,92,246,.02)),
    linear-gradient(180deg,var(--panel),var(--panel-2));
  padding:30px 28px;
}
.card-feature h3{font-size:20px}

/* prosa larga (relato de origen y explicaciones) */
.origin{max-width:820px}
.origin p{margin:0 0 18px;color:var(--muted);font-size:16px;line-height:1.75}
.origin-lead{color:var(--ink-soft);font-size:clamp(16px,2.1vw,19px)}
.origin-question{
  font-family:var(--font-serif);font-style:italic;
  font-size:clamp(20px,2.8vw,27px);color:var(--ink);margin:26px 0 0;
}

/* bloque de gratitud («Por qué existe») */
.gift{
  background:
    radial-gradient(520px 220px at 10% 0%,rgba(251,191,36,.10),transparent 70%),
    linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid rgba(251,191,36,.22);border-radius:var(--radius-lg);padding:30px 28px;
}
.gift p{margin:0 0 18px;color:var(--muted);font-size:16px;line-height:1.75;max-width:820px}
.gift-lead{color:var(--ink-soft);font-size:clamp(16px,2.1vw,19px)}
.gift-kicker{color:var(--warm);font-weight:700;letter-spacing:.02em;font-size:15px;margin:0}

/* banda de cierre */
.notis{
  background:
    radial-gradient(560px 220px at 50% 0%,rgba(99,102,241,.12),transparent 70%),
    linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:36px 30px;text-align:center;
}
.notis-list{margin:0 auto;max-width:780px;color:var(--ink-soft);font-size:16px;line-height:1.7}

/* página /vision: línea-firma + CTA centrada */
.sign{
  font-family:var(--font-serif);font-style:italic;
  font-size:clamp(17px,2.4vw,23px);color:var(--ink);text-align:center;
  max-width:760px;margin:0 auto;line-height:1.55;
}
.sign-note{color:var(--muted);font-size:13.5px;text-align:center;margin:16px auto 0;max-width:640px}
.sign-invite{
  font-family:var(--font-serif);font-style:italic;text-align:center;
  color:var(--ink-soft);font-size:clamp(15px,2vw,18px);margin:26px auto 0;
}
.sign-cta{justify-content:center;margin-top:24px}

/* entra en tu nodo */
.node-entry{display:grid;grid-template-columns:1.4fr 1fr;gap:18px;align-items:stretch}
.node-entry-main,.node-entry-aside{
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
}
.node-entry-main{
  border-color:rgba(99,102,241,.4);
  background:
    linear-gradient(135deg,rgba(59,130,246,.12),rgba(139,92,246,.05) 60%,transparent),
    linear-gradient(180deg,var(--panel),var(--panel-2));
}
.node-entry-main p,.node-entry-aside p{color:var(--muted);font-size:15px;margin:0 0 16px}
.node-entry-main strong,.node-entry-aside strong{color:var(--ink)}
.node-entry-aside h3{margin:0 0 9px;font-size:17px}
.node-entry-aside a{color:var(--brand-soft)}

/* descargas (renderizadas por app.js si /api/downloads publica items) */
.dl-item{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin-bottom:12px;
}
.dl-meta{flex:1;min-width:220px}
.dl-meta h3{margin:0 0 4px;font-size:16px}
.dl-meta p{margin:0;color:var(--muted);font-size:14px}
.dl-tag{
  font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  color:var(--brand-soft);border:1px solid rgba(99,102,241,.4);border-radius:999px;padding:3px 10px;
}

/* footer */
.foot{
  position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;padding:32px 24px 56px;
  color:var(--muted);font-size:13px;display:flex;gap:12px;align-items:center;flex-wrap:wrap;
  border-top:1px solid var(--line-soft);
}
.foot-brand{display:inline-flex;align-items:center;gap:8px;color:var(--ink);font-weight:600}
.foot a:hover{color:var(--ink)}
.dotsep{opacity:.45}

/* aparición suave (app.js añade html.js-reveal solo con IO y sin reduce-motion) */
html.js-reveal .reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
html.js-reveal .reveal.in{opacity:1;transform:none}
html.js-reveal .features .card:nth-child(2),
html.js-reveal .blocks .block:nth-child(2),
html.js-reveal .flow-step:nth-child(2){transition-delay:.07s}
html.js-reveal .features .card:nth-child(3),
html.js-reveal .blocks .block:nth-child(3),
html.js-reveal .flow-step:nth-child(3){transition-delay:.14s}
html.js-reveal .features .card:nth-child(4),
html.js-reveal .blocks .block:nth-child(4),
html.js-reveal .flow-step:nth-child(4){transition-delay:.21s}
html.js-reveal .flow-step:nth-child(5){transition-delay:.28s}
@media (prefers-reduced-motion:reduce){
  html.js-reveal .reveal{opacity:1;transform:none;transition:none}
  .skip,.btn,.card,.block,.nav-links a{transition:none}
  .card,.card:hover,
  .btn-primary,.btn-primary:hover,
  .nav-links a.nav-cta,.nav-links a.nav-cta:hover,
  .nav-links a.nav-entrar,.nav-links a.nav-entrar:hover{transform:none}
}

/* ── contrato de estado, cadena de vida y etiquetas (tercer pase editorial) ── */

/* etiquetas de estado: gobiernan qué es hecho, prueba, plan o visión */
.status{
  display:inline-flex;align-items:center;vertical-align:middle;
  font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  border:1px solid;border-radius:999px;padding:3px 10px;white-space:nowrap;
}
.status-hoy{color:#34d399;border-color:rgba(52,211,153,.45)}
.status-prueba{color:#60a5fa;border-color:rgba(96,165,250,.45)}
.status-plan{color:var(--warm);border-color:rgba(251,191,36,.42)}
.status-vision{color:#c4b5fd;border-color:rgba(196,181,253,.45)}
.status-soft{color:var(--muted);border-color:rgba(148,163,184,.38)}
.section-sub .status{margin-right:8px}
.origin .status,.block-name .status{margin-right:6px}

/* Serie audiovisual de la visión: reproducción bajo demanda para no cargar diez MP4 al entrar. */
.vision-video{width:min(100%,820px);margin:0 0 30px}
.vision-video video{
  display:block;width:100%;aspect-ratio:16/9;object-fit:cover;
  color-scheme:dark;background:var(--panel-2);
  border:1px solid var(--line-strong);border-radius:18px;
  box-shadow:0 20px 48px rgba(2,6,23,.28);
}
.vision-video video:focus-visible{outline:3px solid var(--brand-soft);outline-offset:4px}
.vision-video figcaption{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px 10px;
  margin:11px 2px 0;color:var(--muted);font-size:13.5px;line-height:1.55;
}
.vision-video figcaption .status{flex:0 0 auto}
.vision-video-hero{width:100%;max-width:none;margin:0}
.vision-video-hero video{border-color:rgba(139,92,246,.42)}

/* Portada: tres accesos audiovisuales a la serie completa de /vision. */
.video-highlights{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.video-card{
  min-width:0;overflow:hidden;background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:20px;
  box-shadow:0 16px 38px rgba(2,6,23,.2);
}
.video-card video{
  display:block;width:100%;aspect-ratio:16/9;object-fit:cover;
  color-scheme:dark;background:var(--panel-2);border-bottom:1px solid var(--line);
}
.video-card video:focus-visible{outline:3px solid var(--brand-soft);outline-offset:-3px}
.video-card-copy{padding:18px 19px 20px}
.video-card-state{display:flex;align-items:center;flex-wrap:wrap;gap:7px;margin:0 0 12px}
.video-card h3{font-size:18px;letter-spacing:-.01em;margin:0 0 8px}
.video-card-copy > p:last-child{color:var(--muted);font-size:14px;line-height:1.65;margin:0}
.video-series-cta{align-items:center;margin-top:24px}
.video-series-note{color:var(--muted);font-size:13.5px;line-height:1.55;max-width:620px}

/* contrato de estado: cuatro niveles con acento propio */
.contract{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tier{
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:20px 18px;
}
.tier-name{margin:0 0 14px;font-size:11px;line-height:1}
.tier ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.tier li{position:relative;padding-left:17px;color:var(--muted);font-size:14px;line-height:1.5}
.tier li::before{content:"";position:absolute;left:0;top:.5em;width:7px;height:7px;border-radius:2.5px;background:var(--line-strong)}
.tier-hoy{border-top:2px solid rgba(52,211,153,.55)}
.tier-hoy li::before{background:rgba(52,211,153,.75)}
.tier-prueba{border-top:2px solid rgba(96,165,250,.55)}
.tier-prueba li::before{background:rgba(96,165,250,.75)}
.tier-plan{border-top:2px solid rgba(251,191,36,.5)}
.tier-plan li::before{background:rgba(251,191,36,.7)}
.tier-vision{border-top:2px solid rgba(196,181,253,.5)}
.tier-vision li::before{background:rgba(196,181,253,.7)}
.contract-note{color:var(--muted);font-size:14.5px;line-height:1.7;max-width:820px;margin:22px 0 0}

/* cadena de vida de una idea (petición → … → nuevas versiones) */
.chain{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:10px 8px;margin:0 0 30px;padding:0}
.chain li{display:inline-flex;align-items:center;gap:8px}
.chain-pill{
  font-size:13.5px;font-weight:600;color:var(--ink);
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line-strong);border-radius:999px;padding:7px 15px;
}
.chain-sep{color:var(--brand-soft);font-size:15px}

/* nube de chips reutilizable (participación/contribución) + notas introductorias */
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin:0 0 8px;padding:0}
.chips-note{color:var(--muted);font-size:13.5px;margin:26px 0 12px}
.providers-note{color:var(--muted);font-size:13.5px;margin:34px 0 0}
.providers-note + .providers{margin-top:10px}

/* lista de métricas / puntos con marca */
.ticks{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:11px 26px;max-width:860px}
.ticks li{position:relative;padding-left:21px;color:var(--muted);font-size:15px}
.ticks li::before{content:"";position:absolute;left:0;top:.48em;width:8px;height:8px;border-radius:3px;background:var(--grad)}

/* enlaces dentro de prosa y banda de cierre */
.origin a,.notis-list a,.sign-note a,.block-role a,.contract-note a{
  color:var(--brand-soft);text-decoration:underline;text-decoration-thickness:.08em;
  text-underline-offset:.18em;
}
.origin a:hover,.notis-list a:hover,.sign-note a:hover,.block-role a:hover,.contract-note a:hover{
  color:var(--brand-2-soft);
}

/* firma del relato en primera persona */
.sign-author{color:var(--muted);font-size:14px;font-style:italic;margin:6px 0 0}

/* respiración entre componentes apilados dentro de una sección */
.gallery + .origin,.features + .origin,.chain + .blocks,.chips + .origin{margin-top:26px}

/* «Entrar»: acción secundaria para invitados, sin peso de CTA principal */
.nav-links a.nav-entrar{
  color:var(--ink-soft);border:1px solid var(--line-strong);border-radius:999px;padding:7px 16px;
  transition:color .15s ease,border-color .15s ease;
}
.nav-links a.nav-entrar:hover{color:var(--ink);border-color:rgba(139,92,246,.55)}
@media (prefers-reduced-motion:reduce){
  .nav-links a.nav-entrar,.nav-links a.nav-cta{transition:none}
}

/* responsive */
@media (min-width:1000px){
  .hero-grid{grid-template-columns:minmax(0,1fr) minmax(300px,400px)}
  .hero-art{display:block}
}
@media (max-width:1020px){
  .flow,.flow.flow-5{grid-template-columns:repeat(2,1fr)}
  .flow::before{content:none}
  .contract{grid-template-columns:repeat(2,1fr)}
  .video-highlights{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .node-entry{grid-template-columns:1fr}
}
@media (max-width:860px){
  .features{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  html{scroll-padding-top:124px}
  .nav-inner{flex-direction:column;align-items:flex-start;gap:4px;padding:8px 20px}
  .nav-links{width:100%;justify-content:space-between;gap:6px;flex-wrap:nowrap}
  .nav-links a:not(.nav-entrar):not(.nav-cta){padding:0 2px}
}
@media (max-width:680px){
  .features,.blocks,.gallery{grid-template-columns:1fr}
  .video-highlights{grid-template-columns:1fr}
  .flow,.flow.flow-5{grid-template-columns:1fr}
  .flow-step{display:grid;grid-template-columns:40px 1fr;column-gap:16px;row-gap:2px}
  .flow-n{grid-row:1/3;margin-bottom:0}
  .flow-step h3{align-self:center}
  .nav-links{gap:4px;font-size:13px}
  .nav-links a.nav-cta{padding:7px 14px}
  .nav-links a.nav-entrar{padding:0 10px}
  .hero{padding:56px 0 48px}
  .section{padding:52px 0}
}
@media (max-width:560px){
  .contract{grid-template-columns:1fr}
  .ticks{grid-template-columns:1fr}
}