@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Montserrat:wght@300;400;500;600&display=swap');
/* ============================================================
   Percepta — sistema visual
   Minimalista · cálido · liquid metal
   ============================================================ */

:root{
  /* Base urbana profunda — verde petróleo Urbelyx */
  --ink:        #070f0e;
  --ink-2:      #0b1716;
  --ink-3:      #10201e;

  /* Acento: teal de percepción (cajas de detección Urbelyx) */
  --champagne:  #e8f1ee;
  --amber:      #5fd3c0;
  --copper:     #43b3a2;
  --bronze:     #23685e;
  --ember:      #123430;

  /* Texto */
  --cream:      #e6eeeb;
  --muted:      #93a8a3;
  --faint:      #6a807c;

  /* Superficies */
  --surface:    rgba(214, 240, 234, .035);
  --surface-2:  rgba(214, 240, 234, .062);
  --line:       rgba(150, 210, 199, .14);
  --line-2:     rgba(150, 210, 199, .3);

  /* Semáforo de riesgo — semántica, no marca */
  --safe:       #6fc9a8;
  --watch:      #e0c069;
  --alert:      #e2803c;
  --critical:   #d9524a;

  --metal: linear-gradient(112deg,
      #f2fbf8 0%,  #9fe2d5 14%, #2b7a6f 26%,
      #eaf6f3 40%, #55c3b2 52%, #10302c 64%,
      #b9e8de 79%, #f2fbf8 100%);

  --shell: min(1240px, 100% - 3rem);
  --r-lg: 0px;
  --r-md: 0px;
  --ease: cubic-bezier(.22,.68,.32,1);

  /* Portada artboard */
  --ratio: 1672/941;
  --display: "Montserrat", "Inter", ui-sans-serif, system-ui, sans-serif;
}

/* ---------- Reset ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0;
  background:var(--ink);
  color:var(--cream);
  font-family:"Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size:clamp(15.5px, .55vw + 14px, 17.5px);
  line-height:1.62;
  letter-spacing:-.006em;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img,canvas,svg{ max-width:100%; display:block; }
h1,h2,h3{ line-height:1.06; letter-spacing:-.035em; font-weight:600; margin:0; text-wrap:balance; }
p{ margin:0; text-wrap:pretty; }
a{ color:inherit; text-decoration:none; }
ul,ol{ margin:0; padding:0; list-style:none; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
table{ border-collapse:collapse; width:100%; }
em{ font-style:italic; color:var(--champagne); }
strong{ font-weight:600; color:var(--cream); }

.sr-only{ position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0; }
.svg-defs{ position:absolute; width:0; height:0; }

.skip{
  position:absolute; left:-9999px; top:0; z-index:200;
  background:var(--champagne); color:var(--ink); padding:.7rem 1.1rem; border-radius:0 0 10px 0;
}
.skip:focus{ left:0; }

:focus-visible{ outline:2px solid var(--amber); outline-offset:3px; border-radius:6px; }

/* ---------- Ambiente: grano + charcos de metal ---------- */
.grain{
  position:fixed; inset:-50%; z-index:0; pointer-events:none;
  opacity:.05; mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
}
.metal-field{ position:fixed; inset:0; z-index:0; pointer-events:none; overflow:hidden; }
.metal-field .pool{
  position:absolute; display:block; border-radius:50%;
  filter:url(#liquid); opacity:.5; will-change:transform;
}
.pool-a{
  width:62vw; height:62vw; top:-22vw; right:-16vw;
  background:radial-gradient(circle at 34% 30%, rgba(232,241,238,.5), rgba(67,179,162,.34) 38%, rgba(90,52,22,0) 70%);
  animation:drift-a 34s var(--ease) infinite alternate;
}
.pool-b{
  width:48vw; height:48vw; top:58vh; left:-18vw;
  background:radial-gradient(circle at 60% 40%, rgba(95,211,192,.32), rgba(138,85,39,.22) 44%, rgba(0,0,0,0) 72%);
  animation:drift-b 44s var(--ease) infinite alternate;
}
.pool-c{
  width:40vw; height:40vw; top:180vh; right:-8vw;
  background:radial-gradient(circle at 40% 60%, rgba(232,241,238,.26), rgba(67,179,162,.18) 46%, rgba(0,0,0,0) 74%);
  animation:drift-a 52s var(--ease) infinite alternate-reverse;
}
@keyframes drift-a{ to{ transform:translate3d(-7vw, 9vh, 0) scale(1.14) rotate(22deg); } }
@keyframes drift-b{ to{ transform:translate3d(9vw, -7vh, 0) scale(.88) rotate(-18deg); } }

/* ---------- Texto metálico ---------- */
.metal-text{
  background:var(--metal);
  background-size:280% 100%;
  -webkit-background-clip:text; background-clip:text;
  color:transparent;
  animation:sheen 9s linear infinite;
}
@keyframes sheen{ to{ background-position:280% 0; } }

/* ---------- Navegación ---------- */
.nav{
  position:fixed; top:0; left:0; right:0; z-index:100;
  transition:background .4s var(--ease), border-color .4s var(--ease), backdrop-filter .4s;
  border-bottom:1px solid transparent;
}
.nav.is-stuck{
  background:rgba(7,15,14,.72);
  backdrop-filter:blur(18px) saturate(1.3);
  -webkit-backdrop-filter:blur(18px) saturate(1.3);
  border-bottom-color:var(--line);
}
.nav-in{
  width:var(--shell); margin-inline:auto;
  display:flex; align-items:center; justify-content:space-between;
  gap:1.5rem; padding:1.05rem 0;
}
.brand{ display:inline-flex; align-items:center; gap:.62rem; font-weight:600; letter-spacing:-.03em; font-size:1.06rem; }
.brand-mark{
  width:19px; height:19px; border-radius:50%;
  background:var(--metal); background-size:250% 100%;
  animation:sheen 7s linear infinite;
  box-shadow:0 0 0 1px rgba(232,241,238,.28), 0 0 22px rgba(67,179,162,.45);
}
.nav-links{ display:flex; gap:.35rem; }
.nav-links a{
  padding:.42rem .78rem; border-radius:999px; font-size:.875rem;
  color:var(--muted); transition:color .25s, background .25s;
}
.nav-links a:hover{ color:var(--cream); background:var(--surface); }
.nav-links a.is-current{ color:var(--ink); background:var(--champagne); }
.nav-toggle{ display:none; width:42px; height:42px; border-radius:12px; border:1px solid var(--line); position:relative; }
.nav-toggle span{
  position:absolute; left:11px; width:20px; height:1.5px; background:var(--cream); border-radius:2px;
  transition:transform .3s var(--ease), opacity .2s;
}
.nav-toggle span:nth-child(1){ top:16px; }
.nav-toggle span:nth-child(2){ top:24px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(4px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2){ transform:translateY(-4px) rotate(-45deg); }
.nav-progress{ height:1px; background:transparent; }
.nav-progress i{ display:block; height:100%; width:0; background:var(--metal); background-size:300% 100%; }

/* ---------- Layout ---------- */
main{ position:relative; z-index:1; }
.section{ width:var(--shell); margin-inline:auto; padding:clamp(5rem, 11vh, 9rem) 0; }
.section.band{
  width:100%; padding-inline:0;
  background:
    linear-gradient(180deg, transparent, rgba(214,240,234,.028) 12%, rgba(214,240,234,.028) 88%, transparent);
  border-block:1px solid var(--line);
}
.section.band > *{ width:var(--shell); margin-inline:auto; }

.sec-head{ max-width:56ch; margin-bottom:clamp(2.6rem,5vw,4rem); }
.tag{
  font-size:.73rem; letter-spacing:.19em; text-transform:uppercase;
  color:var(--copper); margin-bottom:1.1rem; font-weight:500;
}
.sec-head h2{ font-size:clamp(2rem, 4.1vw, 3.4rem); }
.sec-lede{ margin-top:1.4rem; color:var(--muted); font-size:1.04rem; max-width:60ch; }
.sub{ font-size:1.02rem; font-weight:600; letter-spacing:-.02em; margin-bottom:1.1rem; }
.note{ font-size:.86rem; color:var(--faint); line-height:1.6; margin-top:1.2rem; max-width:66ch; }

/* ---------- Reveal ---------- */
/* Sin JS el contenido se muestra tal cual: la animación es una mejora, no un requisito */
.js .reveal{ opacity:0; transform:translateY(26px); transition:opacity .85s var(--ease), transform .85s var(--ease); }
.js .reveal.is-in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important; animation-iteration-count:1!important;
    transition-duration:.01ms!important;
  }
  .js .reveal{ opacity:1; transform:none; transition:none; }
  html{ scroll-behavior:auto; }
  .metal-field .pool, .metal-text, .brand-mark{ animation:none; }
}

/* ---------- Botones ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:.86rem 1.5rem; border-radius:999px; font-size:.93rem; font-weight:500;
  transition:transform .3s var(--ease), box-shadow .3s var(--ease), background .3s, color .3s, border-color .3s;
}
.btn-sm{ padding:.6rem 1.1rem; font-size:.85rem; }
.btn-metal{
  color:#04100e; position:relative; overflow:hidden;
  background:var(--metal); background-size:260% 100%;
  box-shadow:0 1px 0 rgba(255,255,255,.4) inset, 0 14px 34px -14px rgba(67,179,162,.75);
  animation:sheen 8s linear infinite;
}
.btn-metal:hover{ transform:translateY(-2px); box-shadow:0 1px 0 rgba(255,255,255,.5) inset, 0 20px 42px -14px rgba(67,179,162,.9); }
.btn-line{ border:1px solid var(--line-2); color:var(--cream); }
.btn-line:hover{ background:var(--surface-2); border-color:var(--champagne); transform:translateY(-2px); }

/* ---------- Hero ---------- */
.hero{
  width:var(--shell); margin-inline:auto; position:relative;
  min-height:100svh; display:flex; flex-direction:column; justify-content:center;
  padding:9rem 0 4rem;
}
.hero-in{ display:grid; grid-template-columns:1.04fr .96fr; gap:clamp(2rem,5vw,4.5rem); align-items:center; }
.eyebrow{ font-size:.78rem; letter-spacing:.15em; text-transform:uppercase; color:var(--faint); margin-bottom:1.7rem; }
.hero h1{ font-size:clamp(2.7rem, 6.4vw, 5.4rem); letter-spacing:-.045em; }
.hero h1 em{ font-style:italic; color:var(--cream); }
.lede{ margin-top:1.8rem; font-size:clamp(1.02rem,1.3vw,1.16rem); color:var(--muted); max-width:52ch; }
.hero-cta{ display:flex; flex-wrap:wrap; gap:.8rem; margin-top:2.4rem; }
.hero-stats{ display:flex; flex-wrap:wrap; gap:2.6rem; margin:3.4rem 0 0; padding-top:2rem; border-top:1px solid var(--line); }
.hero-stats dt{ font-size:1.9rem; font-weight:600; letter-spacing:-.04em; color:var(--champagne); font-variant-numeric:tabular-nums; }
.hero-stats dd{ margin:.25rem 0 0; font-size:.82rem; color:var(--faint); }

.hero-visual{ position:relative; }
.hero-frame{
  position:relative; border-radius:var(--r-lg); overflow:hidden;
  border:1px solid var(--line); background:linear-gradient(160deg, rgba(214,240,234,.06), rgba(214,240,234,.015));
  box-shadow:0 40px 90px -40px rgba(0,0,0,.9), 0 0 0 1px rgba(232,241,238,.05) inset;
}
.hero-frame video{ width:100%; height:auto; display:block; }

/* ---------- Comparador escena / esqueleto ---------- */
.compare{ position:relative; overflow:hidden; touch-action:pan-y; cursor:ew-resize; }
.compare > video{ display:block; width:100%; height:auto; }
.compare-top{
  position:absolute; inset:0;
  /* A la derecha del corte se ve la pose; a la izquierda, la escena */
  clip-path:inset(0 0 0 var(--split, 56%));
}
.compare-top video{ width:100%; height:100%; object-fit:cover; display:block; }

/* La caja del detector va sobre las dos capas: es salida del sistema,
   no pertenece ni a la escena ni al render de pose. */
#heroBox{ position:absolute; inset:0; width:100%; height:100%; pointer-events:none; z-index:1; }

.compare-line{
  position:absolute; top:0; bottom:0; left:var(--split, 56%); width:1px; margin-left:-.5px;
  background:linear-gradient(180deg, transparent, rgba(150,232,219,.85) 18%, rgba(150,232,219,.85) 82%, transparent);
  box-shadow:0 0 14px rgba(95,211,192,.55);
  pointer-events:none;
}
.compare-handle{
  position:absolute; top:50%; left:var(--split, 56%);
  width:42px; height:42px; margin:-21px 0 0 -21px; border-radius:50%;
  background:rgba(14,10,7,.72); backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  border:1px solid rgba(150,232,219,.55);
  box-shadow:0 0 0 1px rgba(0,0,0,.35), 0 8px 26px -8px rgba(0,0,0,.9), 0 0 22px rgba(95,211,192,.3);
  cursor:ew-resize; touch-action:none; transition:transform .25s var(--ease), border-color .25s;
}
.compare-handle::before,
.compare-handle::after{
  content:""; position:absolute; top:50%; width:6px; height:6px; margin-top:-3px;
  border-top:1.5px solid var(--champagne); border-right:1.5px solid var(--champagne);
}
.compare-handle::before{ left:12px; transform:rotate(-135deg); }
.compare-handle::after{ right:12px; transform:rotate(45deg); }
.compare-handle:hover,
.compare-handle:focus-visible{ transform:scale(1.08); border-color:var(--champagne); }

.compare-tag{
  position:absolute; bottom:.85rem; z-index:2;
  font:500 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing:.16em; text-transform:uppercase; color:var(--muted);
  background:rgba(7,15,14,.62); backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px);
  padding:.38rem .6rem; border-radius:999px; border:1px solid var(--line);
  pointer-events:none;
}
.compare-tag.is-left{ left:.85rem; }
.compare-tag.is-right{ right:.85rem; color:var(--champagne); border-color:rgba(150,232,219,.3); }
.hero-badge{
  position:absolute; left:1rem; top:1rem;
  display:inline-flex; align-items:center; gap:.5rem;
  font-size:.72rem; letter-spacing:.12em; text-transform:uppercase; color:var(--muted);
  background:rgba(7,15,14,.7); backdrop-filter:blur(8px);
  padding:.45rem .8rem; border-radius:999px; border:1px solid var(--line);
}
.hero-badge .dot{ width:7px; height:7px; border-radius:50%; background:var(--safe); animation:pulse 1.9s ease-in-out infinite; }
@keyframes pulse{ 50%{ opacity:.28; } }

.scroll-hint{ display:block; width:1px; height:54px; margin:3.4rem auto 0; background:linear-gradient(var(--line-2), transparent); position:relative; }
.scroll-hint span{ position:absolute; top:0; left:-1px; width:3px; height:14px; border-radius:2px; background:var(--copper); animation:fall 2.4s var(--ease) infinite; }
@keyframes fall{ 0%{ top:0; opacity:0 } 30%{ opacity:1 } 100%{ top:40px; opacity:0 } }

/* ---------- Problema ---------- */
.split{ display:grid; grid-template-columns:.9fr 1.1fr; gap:clamp(2rem,5vw,4.5rem); align-items:start; }
.big-stat{ font-size:clamp(4.4rem,11vw,8.5rem); font-weight:600; letter-spacing:-.06em; line-height:.9; }
.big-stat span{
  background:var(--metal); background-size:260% 100%;
  -webkit-background-clip:text; background-clip:text; color:transparent;
  animation:sheen 10s linear infinite; font-variant-numeric:tabular-nums;
}
.big-stat-note{ margin-top:1.4rem; color:var(--muted); max-width:34ch; }

.cards{ display:grid; gap:1rem; }
.card{
  padding:1.7rem 1.8rem; border-radius:var(--r-md);
  background:var(--surface); border:1px solid var(--line);
  transition:border-color .35s var(--ease), background .35s, transform .35s var(--ease);
}
.card:hover{ border-color:var(--line-2); background:var(--surface-2); transform:translateY(-3px); }
.card h3{ font-size:1.05rem; margin-bottom:.9rem; }
.card p{ color:var(--muted); font-size:.94rem; }

.ticks li{ position:relative; padding-left:1.35rem; color:var(--muted); font-size:.94rem; margin-bottom:.55rem; }
.ticks li::before{
  content:""; position:absolute; left:0; top:.62em; width:6px; height:6px; border-radius:50%;
  background:var(--copper); box-shadow:0 0 10px rgba(67,179,162,.7);
}
.ticks li:last-child{ margin-bottom:0; }

.objectives{ margin-top:clamp(3rem,6vw,5rem); padding-top:2.6rem; border-top:1px solid var(--line); }
.obj-list{ display:grid; grid-template-columns:repeat(auto-fit,minmax(230px,1fr)); gap:1.6rem 2.4rem; }
.obj-list li{ color:var(--muted); font-size:.95rem; }
.obj-list span{
  display:block; font-size:.75rem; letter-spacing:.16em; color:var(--copper); margin-bottom:.6rem; font-weight:500;
}

/* ---------- Pipeline ---------- */
.pipe-track{ display:grid; grid-template-columns:repeat(6,1fr); gap:.5rem; }
.pipe-step{
  text-align:left; padding:1.05rem 1rem 1.15rem; border-radius:var(--r-md);
  border:1px solid var(--line); background:var(--surface);
  transition:border-color .3s, background .3s, transform .3s var(--ease);
  position:relative; overflow:hidden;
}
.pipe-step::after{
  content:""; position:absolute; inset:auto 0 0 0; height:2px;
  background:var(--metal); background-size:300% 100%;
  transform:scaleX(0); transform-origin:left; transition:transform .45s var(--ease);
}
.pipe-step:hover{ background:var(--surface-2); transform:translateY(-3px); }
.pipe-step.is-active{ border-color:var(--line-2); background:var(--surface-2); }
.pipe-step.is-active::after{ transform:scaleX(1); }
.pipe-num{ display:block; font-size:.72rem; letter-spacing:.16em; color:var(--copper); margin-bottom:.5rem; }
.pipe-name{ display:block; font-size:.9rem; font-weight:500; letter-spacing:-.02em; line-height:1.28; }

.pipe-detail{
  margin-top:1rem; padding:clamp(1.6rem,3vw,2.6rem);
  border-radius:var(--r-lg); border:1px solid var(--line);
  background:linear-gradient(150deg, rgba(214,240,234,.055), rgba(214,240,234,.012));
  display:grid; grid-template-columns:1.15fr .85fr; gap:clamp(1.5rem,4vw,3rem);
  min-height:230px;
}
.pipe-detail h3{ font-size:1.4rem; margin-bottom:.9rem; }
.pipe-detail p{ color:var(--muted); font-size:.96rem; }
.pipe-meta{ display:grid; gap:.75rem; align-content:start; }
.pipe-meta div{ display:flex; justify-content:space-between; gap:1rem; padding-bottom:.7rem; border-bottom:1px solid var(--line); font-size:.87rem; }
.pipe-meta dt,.pipe-meta b{ color:var(--faint); font-weight:400; }
.pipe-meta dd,.pipe-meta i{ margin:0; color:var(--champagne); font-style:normal; text-align:right; }
.pipe-detail.is-swap{ opacity:0; transform:translateY(8px); }
.pipe-detail{ transition:opacity .3s var(--ease), transform .3s var(--ease); }

/* ---------- Asíncrono ---------- */
.async{
  margin-top:clamp(3rem,6vw,5rem); display:grid; grid-template-columns:1fr 1fr;
  gap:clamp(2rem,5vw,4rem); align-items:center;
}
.async p{ color:var(--muted); margin-bottom:1.2rem; }
.queues{ display:grid; gap:.7rem; }
.queue{
  display:flex; align-items:center; gap:1rem; padding:.85rem 1.1rem;
  border:1px solid var(--line); border-radius:10px; background:var(--surface);
  font-size:.83rem; color:var(--faint);
}
.queue b{ font-weight:400; min-width:11ch; }
.queue i{ flex:1; height:3px; border-radius:2px; background:rgba(150,210,199,.12); position:relative; overflow:hidden; }
.queue i::after{
  content:""; position:absolute; inset:0; width:34%; border-radius:2px;
  background:var(--metal); background-size:300% 100%;
  animation:flow 2.6s var(--ease) infinite;
}
.queue:nth-child(2) i::after{ animation-delay:.35s }
.queue:nth-child(3) i::after{ animation-delay:.7s }
.queue:nth-child(4) i::after{ animation-delay:1.05s }
.queue:nth-child(5) i::after{ animation-delay:1.4s }
@keyframes flow{ 0%{ transform:translateX(-110%) } 55%,100%{ transform:translateX(310%) } }

/* ---------- Demo ---------- */
.demo{ display:grid; grid-template-columns:1.55fr .95fr; gap:1.2rem; align-items:start; }
.demo-stage{
  position:relative; border-radius:var(--r-lg); overflow:hidden;
  border:1px solid var(--line); background:#050d0c;
  box-shadow:0 40px 90px -44px rgba(0,0,0,.95);
}
.demo-stage video{ width:100%; height:auto; display:block; background:#071110; }
.demo-stage canvas{ position:absolute; inset:0; width:100%; height:100%; }
/* Abajo a la izquierda: en las cuatro secuencias el peatón entra por el
   centro-derecha, así que el panel nunca tapa la detección. */
.demo-hud{ position:absolute; left:1rem; bottom:1rem; }
.hud-risk{
  min-width:190px; padding:.9rem 1rem 1rem; border-radius:var(--r-md);
  background:rgba(7,15,14,.76); backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);
}
.hud-label{ display:block; font-size:.68rem; letter-spacing:.18em; text-transform:uppercase; color:var(--faint); }
.hud-risk strong{ display:block; font-size:1.16rem; letter-spacing:-.02em; margin:.2rem 0 .6rem; transition:color .4s; }
.risk-bar{ height:4px; border-radius:3px; background:rgba(150,210,199,.14); overflow:hidden; }
.risk-bar i{ display:block; height:100%; width:8%; border-radius:3px; background:var(--safe); transition:width .3s linear, background .4s; }
.hud-score{ display:block; margin-top:.45rem; font-size:.76rem; color:var(--faint); font-variant-numeric:tabular-nums; }

.demo-side{ display:grid; gap:1rem; }
.demo-block{ padding:1.4rem 1.5rem; border-radius:var(--r-md); border:1px solid var(--line); background:var(--surface); }
.chips{ display:flex; flex-wrap:wrap; gap:.45rem; }
.chip{
  padding:.46rem .85rem; border-radius:999px; font-size:.82rem;
  border:1px solid var(--line); color:var(--muted); transition:all .28s var(--ease);
}
.chip:hover{ color:var(--cream); border-color:var(--line-2); }
.chip.is-on{ background:var(--champagne); color:var(--ink); border-color:var(--champagne); }
.demo-desc{ margin-top:1rem; font-size:.88rem; color:var(--muted); min-height:4.4em; }

.toggles{ display:grid; gap:.6rem; }
.tgl{ display:flex; align-items:center; gap:.7rem; font-size:.87rem; color:var(--muted); cursor:pointer; }
.tgl input{ position:absolute; opacity:0; width:0; height:0; }
.tgl span{
  width:34px; height:19px; border-radius:999px; background:rgba(150,210,199,.14);
  border:1px solid var(--line); position:relative; transition:background .3s, border-color .3s; flex:none;
}
.tgl span::after{
  content:""; position:absolute; top:2px; left:2px; width:13px; height:13px; border-radius:50%;
  background:var(--faint); transition:transform .3s var(--ease), background .3s;
}
.tgl input:checked + span{ background:rgba(67,179,162,.35); border-color:var(--line-2); }
.tgl input:checked + span::after{ transform:translateX(15px); background:var(--champagne); }
.tgl input:focus-visible + span{ outline:2px solid var(--amber); outline-offset:3px; }

.telemetry{ font-size:.84rem; margin-bottom:1.1rem; }
.telemetry th{ text-align:left; font-weight:400; color:var(--faint); padding:.42rem 0; border-bottom:1px solid var(--line); }
.telemetry td{ text-align:right; color:var(--champagne); padding:.42rem 0; border-bottom:1px solid var(--line); font-variant-numeric:tabular-nums; }


/* ---------- Laboratorio interactivo ---------- */
.panel-label{
  font-size:.68rem; letter-spacing:.2em; text-transform:uppercase;
  color:var(--faint); font-weight:500; margin-bottom:1rem;
}

.scenario-tabs{ display:grid; gap:.4rem; }
.scenario-tabs .chip{
  display:grid; grid-template-columns:auto 1fr auto; align-items:center; gap:.75rem;
  text-align:left; padding:.62rem .8rem; border-radius:10px;
  border:1px solid var(--line); color:var(--muted); transition:all .28s var(--ease);
}
.scenario-tabs .chip:hover{ color:var(--cream); border-color:var(--line-2); background:var(--surface); }
.scenario-tabs .chip.is-on{ background:var(--champagne); color:var(--ink); border-color:var(--champagne); }
.sc-n{ font-size:.68rem; letter-spacing:.1em; opacity:.6; font-variant-numeric:tabular-nums; }
.sc-name{ font-size:.87rem; }
.sc-score{ font-size:.75rem; font-variant-numeric:tabular-nums; opacity:.75; }

.layer-grid{ display:grid; grid-template-columns:1fr 1fr; gap:.55rem .9rem; }

.signal-list{ display:grid; gap:.5rem; counter-reset:sg; }
.signal-list li{
  counter-increment:sg; display:grid; grid-template-columns:auto 1fr auto; gap:.7rem;
  align-items:center; font-size:.84rem; color:var(--faint);
  padding-bottom:.5rem; border-bottom:1px solid var(--line);
}
.signal-list li:last-child{ border-bottom:0; padding-bottom:0; }
.signal-list li::before{ content:counter(sg,decimal-leading-zero); font-size:.68rem; letter-spacing:.1em; opacity:.55; }
.signal-list .sg-mark{ font-size:.9rem; color:var(--faint); }
.signal-list li.is-on{ color:var(--cream); }
.signal-list li.is-on .sg-mark{ color:var(--amber); }

.track-chip, .sim-badge{
  position:absolute; z-index:2; font:500 10.5px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing:.09em; text-transform:uppercase;
  padding:.42rem .65rem; border-radius:999px;
  background:rgba(7,15,14,.72); backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
  border:1px solid var(--line); color:var(--muted);
}
.track-chip{ left:1rem; top:1rem; }
.sim-badge{ right:1rem; top:1rem; color:var(--faint); }
.hud-score b{ color:var(--champagne); font-weight:600; font-size:.95rem; }

@media (max-width:560px){
  .layer-grid{ grid-template-columns:1fr; }
  .track-chip, .sim-badge{ font-size:9px; padding:.32rem .5rem; }
  .track-chip{ left:.6rem; top:.6rem; }
  .sim-badge{ right:.6rem; top:.6rem; }
}

/* ---------- KPIs y métricas ---------- */
.kpis{ display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:1rem; margin-bottom:clamp(2.5rem,5vw,4rem); }
.kpi{ padding:2rem 1.8rem; border-radius:var(--r-md); border:1px solid var(--line); background:var(--surface); }
.kpi strong{
  display:block; font-size:clamp(2.3rem,4.4vw,3.2rem); font-weight:600; letter-spacing:-.05em;
  background:var(--metal); background-size:260% 100%;
  -webkit-background-clip:text; background-clip:text; color:transparent;
  animation:sheen 11s linear infinite; font-variant-numeric:tabular-nums;
}
.kpi h3{ font-size:.95rem; margin:.7rem 0 .55rem; }
.kpi p{ font-size:.87rem; color:var(--faint); }

.metrics{ display:grid; grid-template-columns:1fr 1fr; gap:1.2rem; }
.metric-card{ padding:clamp(1.6rem,3vw,2.2rem); border-radius:var(--r-lg); border:1px solid var(--line); background:var(--surface); }
.bars{ display:grid; gap:1.15rem; }
.bar-row{ display:grid; grid-template-columns:1fr auto; gap:.4rem .8rem; align-items:center; font-size:.85rem; }
.bar-row span{ color:var(--muted); }
.bar-row b{ color:var(--champagne); font-weight:500; font-variant-numeric:tabular-nums; }
.bar-row i{
  grid-column:1 / -1; height:4px; border-radius:3px; background:rgba(150,210,199,.11); position:relative; overflow:hidden;
}
.bar-row i::after{
  content:""; position:absolute; inset:0 auto 0 0; width:var(--w,0%); border-radius:3px;
  background:var(--metal); background-size:300% 100%;
  transition:width 1.3s var(--ease);
}

.cm{ display:grid; grid-template-columns:auto repeat(5,1fr); gap:3px; font-size:.68rem; }
.cm-h{ color:var(--faint); display:flex; align-items:center; justify-content:center; padding:.3rem 0; text-align:center; letter-spacing:.02em; }
.cm-h.row{ justify-content:flex-end; padding-right:.55rem; }
.cm-cell{
  aspect-ratio:1.6; display:flex; align-items:center; justify-content:center; border-radius:5px;
  color:var(--cream); font-variant-numeric:tabular-nums; transition:transform .25s var(--ease);
}
.cm-cell:hover{ transform:scale(1.07); }

/* ---------- Evolución ---------- */
.evo{ display:grid; grid-template-columns:1fr auto 1fr; gap:clamp(1.2rem,3vw,2.4rem); align-items:stretch; }
.evo-col{ padding:1.9rem 1.9rem 2rem; border-radius:var(--r-lg); border:1px solid var(--line); background:var(--surface); }
.evo-after{ border-color:var(--line-2); background:linear-gradient(160deg, rgba(214,240,234,.075), rgba(214,240,234,.02)); }
.evo-tag{ font-size:.73rem; letter-spacing:.17em; text-transform:uppercase; color:var(--faint); margin-bottom:1.4rem; }
.evo-after .evo-tag{ color:var(--copper); }
.evo-steps{ counter-reset:s; display:grid; gap:.62rem; }
.evo-steps li{
  counter-increment:s; position:relative; padding:.62rem .9rem .62rem 2.6rem;
  border-radius:9px; font-size:.9rem; color:var(--muted); background:rgba(214,240,234,.028);
  border:1px solid transparent;
}
.evo-steps li::before{
  content:counter(s,decimal-leading-zero); position:absolute; left:.9rem; top:.62rem;
  font-size:.72rem; color:var(--faint); letter-spacing:.06em;
}
.evo-new{ color:var(--cream)!important; background:rgba(67,179,162,.13)!important; border-color:rgba(95,211,192,.32)!important; }
.evo-new::before{ color:var(--amber)!important; }
.evo-end{ border-color:var(--line)!important; color:var(--champagne)!important; }
.evo-note{ margin-top:1.3rem; font-size:.86rem; color:var(--faint); }
.evo-arrow{ display:flex; align-items:center; justify-content:center; }
.evo-arrow span{
  display:block; width:2px; height:64%; border-radius:2px;
  background:linear-gradient(180deg, transparent, var(--copper), transparent);
  position:relative;
}
.evo-arrow span::after{
  content:""; position:absolute; left:-4px; width:10px; height:10px; border-radius:50%;
  background:var(--amber); box-shadow:0 0 16px var(--amber); animation:slide-dot 3.4s var(--ease) infinite;
}
@keyframes slide-dot{ 0%{ top:0; opacity:0 } 20%,80%{ opacity:1 } 100%{ top:100%; opacity:0 } }

.skel-explain{ display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:1rem; margin-top:clamp(2.4rem,5vw,3.6rem); }

/* ---------- Tabla de stack ---------- */
.table-wrap{ overflow-x:auto; border-radius:var(--r-lg); border:1px solid var(--line); background:var(--surface); }
.stack-table{ min-width:840px; font-size:.89rem; }
.stack-table th,.stack-table td{ padding:1.05rem 1.3rem; text-align:left; vertical-align:top; border-bottom:1px solid var(--line); }
.stack-table thead th{
  font-size:.72rem; letter-spacing:.15em; text-transform:uppercase; color:var(--faint); font-weight:500;
  background:rgba(214,240,234,.035);
}
.stack-table tbody th{ font-weight:500; color:var(--cream); width:20%; }
.stack-table td{ color:var(--muted); }
.stack-table .old{ color:var(--faint); text-decoration:line-through; text-decoration-color:rgba(67,179,162,.55); text-decoration-thickness:1px; }
.stack-table .new{ color:var(--champagne); font-weight:500; }
.stack-table tbody tr:last-child th,.stack-table tbody tr:last-child td{ border-bottom:0; }
.stack-table tbody tr:hover{ background:rgba(214,240,234,.028); }
.row-new .old{ text-decoration:none; }
.row-new th::after{
  content:"nuevo"; display:inline-block; margin-left:.55rem; font-size:.63rem; letter-spacing:.13em;
  text-transform:uppercase; color:var(--ink); background:var(--amber); padding:.12rem .45rem; border-radius:999px;
  vertical-align:middle; font-weight:600;
}

.targets{ margin-top:clamp(2.6rem,5vw,4rem); }
.pill{
  display:inline-block; margin-left:.6rem; font-size:.66rem; letter-spacing:.13em; text-transform:uppercase;
  color:var(--copper); border:1px solid var(--line-2); padding:.18rem .6rem; border-radius:999px; vertical-align:middle;
}
.target-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(210px,1fr)); gap:1rem; }
.target{ padding:1.5rem 1.5rem 1.6rem; border-radius:var(--r-md); border:1px solid var(--line); background:var(--surface); }
.t-from{ font-size:.9rem; color:var(--faint); text-decoration:line-through; text-decoration-color:rgba(67,179,162,.5); }
.t-arrow{ display:inline-block; width:22px; height:1px; background:var(--line-2); margin:0 .6rem; vertical-align:middle; position:relative; }
.t-arrow::after{ content:""; position:absolute; right:0; top:-2px; width:5px; height:5px; border-top:1px solid var(--copper); border-right:1px solid var(--copper); transform:rotate(45deg); }
.t-to{ font-size:1.15rem; font-weight:600; color:var(--champagne); letter-spacing:-.03em; }
.target p{ margin-top:.75rem; font-size:.83rem; color:var(--faint); }

/* ---------- Aplicaciones ---------- */
.uses{ display:grid; gap:1rem; }
.use{
  display:grid; grid-template-columns:auto 1fr 1fr; gap:.35rem clamp(1.2rem,3.4vw,3rem);
  align-items:start; align-content:start;
  padding:clamp(1.8rem,3.4vw,2.6rem); border-radius:var(--r-lg);
  border:1px solid var(--line); background:var(--surface);
  transition:border-color .35s, background .35s, transform .35s var(--ease);
}
.use:hover{ border-color:var(--line-2); background:var(--surface-2); transform:translateY(-3px); }
.use-n{
  font-size:.75rem; letter-spacing:.16em; color:var(--copper); padding-top:.35rem;
}
.use h3{ font-size:1.35rem; grid-column:2; }
.use p{ color:var(--muted); font-size:.95rem; grid-column:2; margin-top:1rem; }
.use .ticks{ grid-column:3; grid-row:1 / span 3; padding-top:.4rem; }

/* ---------- Roadmap ---------- */
.road{ display:grid; gap:0; position:relative; border-left:1px solid var(--line); margin-left:6px; }
.road li{ padding:0 0 2.4rem 2.2rem; position:relative; }
.road li:last-child{ padding-bottom:0; }
.road-dot{
  position:absolute; left:-6px; top:.42rem; width:11px; height:11px; border-radius:50%;
  background:var(--ink); border:1px solid var(--line-2);
}
.road li.is-in .road-dot{ background:var(--metal); background-size:250% 100%; border-color:transparent; box-shadow:0 0 16px rgba(67,179,162,.55); }
.road h3{ font-size:1.1rem; margin-bottom:.6rem; }
.road p{ color:var(--muted); font-size:.93rem; max-width:70ch; }

/* ---------- Footer ---------- */
.foot{ position:relative; z-index:1; border-top:1px solid var(--line); padding:clamp(3.4rem,7vw,5.4rem) 0 2.4rem; margin-top:2rem; }
.foot-in{ width:var(--shell); margin-inline:auto; display:grid; grid-template-columns:1fr 1.15fr; gap:clamp(2rem,5vw,4rem); align-items:start; }
.foot-brand .brand-mark{ margin-bottom:1.2rem; }
.foot-word{ font-size:clamp(2.4rem,5.4vw,3.6rem); font-weight:600; letter-spacing:-.05em; line-height:1; }
.foot-claim{ margin-top:.9rem; color:var(--faint); font-size:.92rem; max-width:34ch; }
.foot-meta{ display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:1.6rem; margin:0; }
.foot-meta dt{ font-size:.72rem; letter-spacing:.15em; text-transform:uppercase; color:var(--faint); margin-bottom:.4rem; }
.foot-meta dd{ margin:0; font-size:.94rem; color:var(--cream); }
.foot-bottom{ width:var(--shell); margin:clamp(2.6rem,5vw,4rem) auto 0; padding-top:1.6rem; border-top:1px solid var(--line); font-size:.8rem; color:var(--faint); }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:1080px){
  .pipe-track{ grid-template-columns:repeat(3,1fr); }
  .pipe-detail{ grid-template-columns:1fr; }
  .demo{ grid-template-columns:1fr; }
  .metrics{ grid-template-columns:1fr; }
  .use{ grid-template-columns:auto 1fr; }
  .use .ticks{ grid-column:2; grid-row:auto; margin-top:1.2rem; }
}

@media (max-width:880px){
  :root{ --shell:min(1240px, 100% - 2.2rem); }
  .nav-links{
    position:fixed; inset:64px 0 auto 0; flex-direction:column; gap:0;
    background:rgba(7,15,14,.96); backdrop-filter:blur(20px); -webkit-backdrop-filter:blur(20px);
    border-bottom:1px solid var(--line); padding:.6rem 1.1rem 1.4rem;
    transform:translateY(-140%); transition:transform .42s var(--ease); pointer-events:none;
  }
  .nav-links.is-open{ transform:none; pointer-events:auto; }
  .nav-links a{ padding:.85rem .6rem; border-radius:8px; font-size:.98rem; }
  .nav-toggle{ display:block; }
  .hero{ min-height:auto; padding:7.5rem 0 3rem; }
  .hero-in{ grid-template-columns:1fr; gap:3rem; }
  .split{ grid-template-columns:1fr; gap:2.6rem; }
  .async{ grid-template-columns:1fr; }
  .evo{ grid-template-columns:1fr; }
  .evo-arrow{ height:44px; }
  .evo-arrow span{ width:64%; height:2px; background:linear-gradient(90deg, transparent, var(--copper), transparent); }
  .evo-arrow span::after{ animation:slide-dot-h 3.4s var(--ease) infinite; top:-4px; left:0; }
  @keyframes slide-dot-h{ 0%{ left:0; opacity:0 } 20%,80%{ opacity:1 } 100%{ left:100%; opacity:0 } }
  .foot-in{ grid-template-columns:1fr; }
  .hero-stats{ gap:1.8rem; }
  .hero-stats dt{ font-size:1.6rem; }
}

@media (max-width:560px){
  .pipe-track{ grid-template-columns:repeat(2,1fr); }
  .cm{ font-size:.58rem; }
  .use{ grid-template-columns:1fr; }
  .use h3,.use p,.use .ticks{ grid-column:1; }
  .demo-hud{ left:.6rem; bottom:.6rem; }
  .hud-risk{ min-width:150px; padding:.7rem .8rem .8rem; }
}

/* ============================================================
   CAPA URBELYX — sistema de marca
   Geometría recta · tipografía display espaciada · teal urbano
   ============================================================ */

body{ font-weight:300; letter-spacing:-.002em; }

/* ---------- Tipografía display ---------- */
h1,h2,h3,.foot-word,.big-stat,.kpi strong,.t-to,.hero-stats dt{
  font-family:var(--display);
  font-weight:300;
}
h1,h2{ letter-spacing:-.045em; line-height:1.12; }
h3{ font-weight:400; letter-spacing:-.025em; }
.sec-head h2{ font-size:clamp(2rem,4.3vw,3.6rem); }
.hero h1{ font-weight:300; }
.hero h1 em, em{ font-style:normal; color:var(--champagne); }
strong{ font-weight:500; }

.tag, .eyebrow, .evo-tag, .panel-label, .hud-label, .use-n, .pipe-num,
.obj-list span, .foot-meta dt, .stack-table thead th, .pill, .compare-tag,
.track-chip, .sim-badge, .nav-links a{
  font-family:var(--display);
  font-weight:500;
  letter-spacing:.26em;
  text-transform:uppercase;
}
.tag, .eyebrow{ font-size:.66rem; letter-spacing:.32em; color:var(--copper); }
.eyebrow{ color:var(--faint); }
.sub{ font-family:var(--display); font-weight:400; letter-spacing:.02em; }

/* ---------- Marca ---------- */
.brand{ gap:.85rem; font-family:var(--display); font-weight:400; font-size:.92rem; letter-spacing:.34em; text-transform:uppercase; }
.brand-mark{
  width:26px; height:26px; border-radius:0; background:none; box-shadow:none; animation:none;
  background-image:url("media/urbelyx-mark.png");
  background-size:contain; background-position:center; background-repeat:no-repeat;
  filter:drop-shadow(0 0 14px rgba(95,211,192,.25));
}
.brand-mark{ display:block; }
.foot-brand .brand-mark{ width:52px; height:52px; margin-bottom:1.4rem; }
.foot-word{ letter-spacing:.14em; text-transform:uppercase; font-size:clamp(2rem,4.6vw,3.1rem); }

/* ---------- Navegación ---------- */
.nav.is-stuck{ background:rgba(7,15,14,.86); border-bottom-color:var(--line); }
.nav-links{ gap:clamp(.4rem,1.5vw,1.4rem); }
.nav-links a{
  border-radius:0; padding:.5rem 0; font-size:.62rem; position:relative; background:none!important;
}
.nav-links a::after{
  content:""; position:absolute; left:0; right:.26em; bottom:.1rem; height:1px; background:var(--champagne);
  transform:scaleX(0); transform-origin:left; transition:transform .28s var(--ease);
}
.nav-links a:hover, .nav-links a.is-current{ color:var(--cream); }
.nav-links a.is-current::after, .nav-links a:hover::after{ transform:scaleX(1); }
.nav-toggle{ border-radius:0; }

/* ---------- Botones y píldoras → rectángulos ---------- */
.btn, .chip, .scenario-tabs .chip, .pill, .compare-tag, .track-chip, .sim-badge,
.hero-badge, .skip{ border-radius:0; }
.btn{
  font-family:var(--display); font-weight:500; font-size:.68rem;
  letter-spacing:.24em; text-transform:uppercase; padding:1.05rem 1.9rem;
}
.btn-metal{
  color:#04100e; background:var(--champagne); animation:none; border:1px solid var(--champagne);
  box-shadow:none;
}
.btn-metal:hover{ color:var(--cream); background:transparent; box-shadow:none; transform:translateY(-3px); }
.btn-line{ border-color:var(--line-2); }
.btn-line:hover{ background:transparent; border-color:var(--champagne); }
.chip{ font-size:.75rem; letter-spacing:.08em; text-transform:none; }
.chip.is-on, .scenario-tabs .chip.is-on{ background:var(--champagne); color:var(--ink); }
.tgl span, .tgl span::after, .risk-bar, .risk-bar i, .bar-row i, .bar-row i::after,
.queue i, .queue i::after, .cm-cell, .road-dot, .scroll-hint span{ border-radius:0; }
.tgl span{ border-radius:999px; }
.tgl span::after{ border-radius:50%; }
.road-dot{ border-radius:50%; }

/* ---------- Superficies ---------- */
.card, .kpi, .evo-col, .use, .target, .demo-block, .metric-card, .pipe-step,
.pipe-detail, .table-wrap, .hero-frame, .demo-stage, .queue, .hud-risk{ border-radius:0; }
.card:hover, .use:hover{ transform:translateY(-4px); }
.hero-frame, .demo-stage{ box-shadow:0 40px 90px -46px rgba(0,0,0,.92); }
.section.band{ background:linear-gradient(180deg,transparent,rgba(150,210,199,.03) 12%,rgba(150,210,199,.03) 88%,transparent); }

/* ---------- Ambiente: niebla urbana en vez de metal cálido ---------- */
.pool-a{ background:radial-gradient(circle at 34% 30%, rgba(122,214,199,.30), rgba(35,104,94,.20) 40%, rgba(7,15,14,0) 70%); }
.pool-b{ background:radial-gradient(circle at 60% 40%, rgba(150,200,214,.20), rgba(18,52,48,.18) 46%, rgba(0,0,0,0) 72%); }
.pool-c{ background:radial-gradient(circle at 40% 60%, rgba(232,241,238,.14), rgba(67,179,162,.12) 48%, rgba(0,0,0,0) 74%); }
.metal-field .pool{ opacity:.42; }

/* ============================================================
   Portada — artboard de referencia Urbelyx
   ============================================================ */
.cover{ position:relative; width:100%; overflow:hidden; background:#d7e2e7; z-index:1; }
.cover .artboard{ position:relative; width:100%; aspect-ratio:var(--ratio); overflow:hidden; }
.cover .artboard > img{
  position:absolute; inset:-.35%; width:100.7%; height:100.7%;
  object-fit:fill; user-select:none;
  transform:translate3d(0,var(--parallax,0px),0) scale(1.003);
  transition:transform .12s linear;
}
.city-scan{
  position:absolute; z-index:2; inset:0; pointer-events:none;
  background:linear-gradient(90deg,transparent 20%,rgba(95,211,192,.10) 50%,transparent 80%);
  transform:translateX(-100%); animation:citySweep 9s ease-in-out infinite;
}
@keyframes citySweep{ 0%,18%{ transform:translateX(-100%); opacity:0 } 45%{ opacity:1 } 75%,100%{ transform:translateX(100%); opacity:0 } }
.cover-hot{ position:absolute; z-index:5; display:block; }
.cover-hot span{ position:absolute; width:1px; height:1px; overflow:hidden; clip-path:inset(50%); white-space:nowrap; }
.cover-hot:focus-visible{ outline:2px solid #05130f; outline-offset:-2px; background:rgba(5,19,15,.07); }
.c-inicio{ left:25.5%; top:2.6%; width:5.3%; height:5.7% }
.c-soluciones{ left:31%; top:2.6%; width:7.4%; height:5.7% }
.c-tecnologia{ left:38.8%; top:2.6%; width:7.5%; height:5.7% }
.c-casos{ left:46.6%; top:2.6%; width:8.2%; height:5.7% }
.c-sobre{ left:55.3%; top:2.6%; width:8.7%; height:5.7% }
.c-contacto{ left:64.6%; top:2.6%; width:7%; height:5.7% }
.c-hablemos{ left:84.5%; top:2.1%; width:12.2%; height:6.2% }
.c-video{ left:78.5%; top:65%; width:17.5%; height:13% }
.cover-scroll{
  display:flex; align-items:center; justify-content:center; gap:.9rem;
  padding:1.15rem 1rem; background:var(--ink); color:var(--muted);
  font-family:var(--display); font-weight:500; font-size:.6rem;
  letter-spacing:.3em; text-transform:uppercase;
  border-top:1px solid var(--line); transition:color .3s var(--ease), background .3s;
}
.cover-scroll:hover{ color:var(--cream); background:var(--ink-2); }
.cover-scroll i{ display:block; width:26px; height:1px; background:currentColor; transition:width .3s var(--ease); }
.cover-scroll:hover i{ width:42px; }

@media (max-width:880px){
  .cover .artboard{ aspect-ratio:auto; height:66svh; }
  .cover .artboard > img{ position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:58% center; }
  .nav-links{ background:rgba(7,15,14,.96); }
  .nav-links a{ font-size:.78rem; letter-spacing:.18em; padding:.85rem .2rem; }
}
@media (prefers-reduced-motion: reduce){
  .cover .artboard > img{ transform:none!important; }
}

/* ---------- Hero (el h1 vive ahora en la portada) ---------- */
.hero .hero-title{
  font-size:clamp(2.5rem,5.8vw,4.9rem); font-weight:300; letter-spacing:-.045em;
}
.hero .hero-title em{ color:var(--champagne); }
.hero{ padding-top:clamp(5rem,9vh,7rem); min-height:auto; }
.hero-stats dt{ font-weight:400; letter-spacing:-.03em; }

/* ---------- La nav flotante cede la portada a Urbelyx ---------- */
.js .nav{ transform:translateY(-102%); }
.nav{ transition:transform .45s var(--ease), background .4s var(--ease), border-color .4s var(--ease); }
.js .nav.is-stuck{ transform:translateY(0); }
.js .nav-links.is-open{ transform:none; }