/* ==========================================================
   Unical Pro Max · núcleo compartido por todas las secciones
   Marca Unical · tipografía gruesa (Poppins 600–800)
   ========================================================== */
:root{
  --u-navy:#1A1A2E; --u-night:#10101D; --u-navy-2:#232339;
  --u-blue:#99C4E4; --u-blue-strong:#2E6CA0; --u-blue-deep:#1E5076; --u-blue-tint:#EAF2F9;
  --u-paper:#F4F6FA; --u-ink:#16161F; --u-charcoal:#3A3A39;
  --u-muted:#A9B1C2; --u-muted-dark:#5F6673;
  --u-line:rgba(255,255,255,.12); --u-line-dark:rgba(22,22,31,.12);
  --f-head:"Poppins","Segoe UI",system-ui,sans-serif;
  --f-body:"Inter","Segoe UI",system-ui,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
  --w-head:700; --w-display:800;
  --pad:clamp(20px,4vw,64px);
  --ease:cubic-bezier(.16,1,.3,1); --ease-io:cubic-bezier(.76,0,.24,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
.lenis.lenis-smooth{scroll-behavior:auto!important}
body{margin:0;background:var(--u-night);color:var(--u-paper);font-family:var(--f-body);font-weight:500;font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:clip}
html.is-loading body{overflow:hidden}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
h1,h2,h3,h4{font-family:var(--f-head);font-weight:var(--w-head);letter-spacing:-.035em}
img,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
::selection{background:var(--u-blue);color:var(--u-night)}
:focus-visible{outline:2px solid var(--u-blue);outline-offset:4px;border-radius:4px}
[hidden]{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:fixed;left:-999px;top:12px;z-index:999;background:var(--u-paper);color:var(--u-ink);padding:10px 16px;border-radius:8px}
.skip:focus{left:12px}

/* ---------- Utilidades compartidas ---------- */
.mono{font-family:var(--f-mono);font-weight:500;font-size:.75rem;letter-spacing:.06em;text-transform:uppercase}
.label{display:block;color:var(--u-blue);margin-bottom:1.5rem}
[data-theme="light"] .label{color:var(--u-blue-strong)}
/* Palabra destacada: cursiva gruesa en azul (sustituye a la serif fina) */
.acc{font-style:italic;font-weight:var(--w-display);color:var(--u-blue);letter-spacing:-.04em}
[data-theme="light"] .acc{color:var(--u-blue-strong)}
.big{font-family:var(--f-head);font-weight:var(--w-display);font-size:clamp(2.6rem,7vw,7.2rem);line-height:.95;letter-spacing:-.05em}
.lead{font-size:clamp(1.05rem,1.3vw,1.25rem);color:var(--u-muted);max-width:46ch}
[data-theme="light"] .lead{color:var(--u-muted-dark)}
.wrap{max-width:1500px;margin-inline:auto;padding-inline:var(--pad)}
.rv{opacity:0;transform:translateY(40px)}
.line{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}
.char,.word{display:inline-block;will-change:transform}
.btn{display:inline-flex;align-items:center;gap:.7rem;min-height:52px;padding:.9rem 1.6rem;border-radius:999px;font-family:var(--f-head);font-weight:600;font-size:1rem;background:var(--u-paper);color:var(--u-night);position:relative;overflow:hidden;isolation:isolate;transition:color .4s}
.btn::before{content:"";position:absolute;inset:0;background:var(--u-blue);transform:translateY(101%);transition:transform .5s var(--ease);z-index:-1;border-radius:inherit}
.btn:hover::before{transform:none}
.btn--dark{background:var(--u-night);color:var(--u-paper)}
.btn--dark:hover{color:var(--u-night)}
.btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2.2;transition:transform .4s var(--ease)}
.btn:hover svg{transform:translateX(4px) rotate(-45deg)}

/* Variantes: cada versión controla su propio fondo */
.opt-sec{position:relative}
.variant{position:relative}
.variant.is-entering{animation:vin .7s var(--ease)}
@keyframes vin{from{opacity:0}to{opacity:1}}

/* ---------- Precarga ---------- */
.loader{position:fixed;inset:0;z-index:300;pointer-events:none}
.loader__in{position:absolute;inset:0;z-index:2;display:grid;place-content:center;justify-items:center;gap:22px;background:var(--u-night)}
.loader__in img{width:min(260px,52vw)}
.loader__bar{width:min(260px,52vw);height:2px;background:var(--u-line);overflow:hidden}
.loader__bar i{display:block;height:100%;width:100%;background:var(--u-blue);transform-origin:0 50%;transform:scaleX(var(--p,0))}
.loader__n{font-family:var(--f-mono);font-size:.8rem;color:var(--u-muted);font-variant-numeric:tabular-nums}
.loader__panels{position:absolute;inset:0;display:flex;z-index:1}
.loader__panels i{flex:1;background:var(--u-navy)}
.loader.done{display:none}

/* ---------- Cursor ---------- */
.cursor{position:fixed;inset:0;pointer-events:none;z-index:250;display:none;opacity:0;transition:opacity .4s}
.cursor.live{opacity:1}
@media (hover:hover) and (pointer:fine){.cursor{display:block}html.has-cursor *{cursor:none!important}}
.cursor__dot,.cursor__ring{position:absolute;left:0;top:0;border-radius:50%;will-change:transform}
.cursor__dot{width:6px;height:6px;margin:-3px 0 0 -3px;background:var(--u-blue)}
.cursor__ring{width:38px;height:38px;margin:-19px 0 0 -19px;border:1.5px solid rgba(153,196,228,.65);display:grid;place-items:center;transition:width .35s var(--ease),height .35s var(--ease),margin .35s var(--ease),background .3s,border-color .3s}
.cursor__label{font-family:var(--f-mono);font-weight:600;font-size:.68rem;text-transform:uppercase;letter-spacing:.08em;color:var(--u-night);opacity:0;transition:opacity .2s}
.cursor.is-hover .cursor__ring{width:64px;height:64px;margin:-32px 0 0 -32px;background:rgba(153,196,228,.14)}
.cursor.is-label .cursor__ring{width:92px;height:92px;margin:-46px 0 0 -46px;background:var(--u-blue);border-color:var(--u-blue)}
.cursor.is-label .cursor__label{opacity:1}
.cursor.is-label .cursor__dot{opacity:0}

/* ---------- Barra de progreso ---------- */
.progress{position:fixed;left:0;right:0;top:0;height:2px;z-index:130;pointer-events:none}
.progress i{display:block;height:100%;background:var(--u-blue);transform-origin:0 50%;transform:scaleX(var(--p,0))}

/* ---------- Cabecera ---------- */
.hd{position:fixed;inset:0 0 auto;z-index:120;display:flex;align-items:center;gap:2rem;padding:22px var(--pad);color:var(--u-paper);transition:padding .5s var(--ease),background .4s,color .4s,box-shadow .4s}
.hd.scrolled{padding-top:12px;padding-bottom:12px;background:rgba(16,16,29,.72);backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);box-shadow:0 1px 0 var(--u-line)}
.hd.on-light{color:var(--u-ink);background:rgba(244,246,250,.85);box-shadow:0 1px 0 var(--u-line-dark)}
.hd__logo{display:grid}
.hd__logo img{grid-area:1/1;width:136px;transition:opacity .4s}
.hd__logo .l-dark{opacity:0}
.hd.on-light .l-dark{opacity:1}.hd.on-light .l-light{opacity:0}
.hd__nav{display:flex;gap:1.6rem;margin-left:auto;font-family:var(--f-head);font-weight:600;font-size:.95rem}
.hd__nav a{position:relative;padding:6px 0}
.hd__nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .5s var(--ease)}
.hd__nav a:hover::after,.hd__nav a[aria-current]::after{transform:scaleX(1);transform-origin:left}
.hd__cta{display:inline-flex;align-items:center;gap:.6rem;border:1.5px solid currentColor;border-radius:999px;padding:.55rem 1.15rem;font-family:var(--f-head);font-weight:600;font-size:.92rem}
.hd__cta i{width:7px;height:7px;border-radius:50%;background:currentColor}
.hd__menu{display:none;width:44px;height:44px;position:relative;margin-left:auto}
.hd__menu i{position:absolute;left:10px;right:10px;height:2px;background:currentColor;transition:transform .4s var(--ease)}
.hd__menu i:first-of-type{top:17px}.hd__menu i:last-of-type{top:26px}
.hd__menu[aria-expanded="true"] i:first-of-type{transform:translateY(4.5px) rotate(45deg)}
.hd__menu[aria-expanded="true"] i:last-of-type{transform:translateY(-4.5px) rotate(-45deg)}
.mnav{position:fixed;inset:0;z-index:110;background:var(--u-navy);display:flex;flex-direction:column;justify-content:center;padding:var(--pad);gap:2rem}
.mnav nav{display:flex;flex-direction:column;gap:.5rem}
.mnav nav a{font-family:var(--f-head);font-size:2.6rem;font-weight:var(--w-display);letter-spacing:-.04em;padding:.3rem 0}
.mnav__tel{color:var(--u-blue);font-size:1.2rem;font-weight:600}
@media (max-width:1060px){.hd__nav,.hd__cta{display:none}.hd__menu{display:block}}

/* ---------- Selector de versiones (dock) ---------- */
.dock{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:140;display:flex;align-items:center;gap:6px;padding:6px 6px 6px 16px;border-radius:999px;background:rgba(16,16,29,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.14);box-shadow:0 20px 50px rgba(0,0,0,.35);color:var(--u-paper);font-size:.8rem;max-width:calc(100vw - 24px);transition:opacity .3s,transform .4s var(--ease)}
.dock__sec{font-family:var(--f-mono);font-weight:600;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--u-blue);white-space:nowrap;margin-right:6px}
.dock__btns{display:flex;gap:3px}
.dock__btns button{width:36px;height:36px;border-radius:50%;font-family:var(--f-head);font-weight:700;font-size:.85rem;transition:background .2s,color .2s}
.dock__btns button:hover{background:rgba(255,255,255,.14)}
.dock__btns button[aria-pressed="true"]{background:var(--u-blue);color:var(--u-night)}
.dock__name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:170px;color:var(--u-muted);padding:0 6px;font-weight:500}
.dock__all{height:36px;padding:0 14px;border-radius:999px;background:rgba(255,255,255,.1);font-weight:600;font-size:.78rem}
.dock__all:hover{background:var(--u-paper);color:var(--u-night)}
body.no-dock .dock,body.no-dock .board{display:none!important}
@media (max-width:600px){.dock{left:12px;right:12px;transform:none;bottom:12px;justify-content:space-between}.dock__name{display:none}.dock__sec{max-width:72px;overflow:hidden;text-overflow:ellipsis}.dock__btns{flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}.dock__btns::-webkit-scrollbar{display:none}.dock__btns button{flex:none;width:34px;height:34px}}
.board{position:fixed;left:50%;bottom:76px;transform:translateX(-50%);z-index:141;width:min(380px,calc(100vw - 24px));background:var(--u-paper);color:var(--u-ink);border-radius:16px;padding:16px;box-shadow:0 30px 70px rgba(0,0,0,.4)}
.board__t{font-family:var(--f-head);font-weight:700;margin-bottom:.6rem}
.board__list{list-style:none;margin:0 0 12px;padding:0;display:grid;gap:2px;font-size:.88rem}
.board__list a{display:flex;justify-content:space-between;gap:1rem;padding:.4rem .55rem;border-radius:8px}
.board__list a:hover{background:var(--u-blue-tint)}
.board__list b{color:var(--u-blue-strong);font-weight:600;text-align:right}
.board__row{display:flex;gap:8px}
.board__row button{flex:1;height:42px;border-radius:10px;background:var(--u-ink);color:var(--u-paper);font-weight:600;font-size:.85rem}
.board__row button:last-child{background:#E4E9F0;color:var(--u-ink)}

/* ---------- Pie ---------- */
.ft{background:var(--u-night);padding:clamp(4rem,8vw,6rem) var(--pad) 90px;border-top:1px solid var(--u-line)}
.ft__top{display:grid;grid-template-columns:repeat(4,1fr) auto;gap:2rem;color:var(--u-muted);font-size:.95rem}
.ft__top .mono{color:var(--u-paper);margin-bottom:.8rem}
.ft__top a:hover{color:var(--u-blue)}
.ft__up a{display:inline-block;border:1.5px solid var(--u-line);border-radius:999px;padding:.6rem 1.1rem;color:var(--u-paper);font-weight:600}
.ft__logo{width:100%;margin:clamp(4rem,8vw,7rem) 0 1.5rem}
.ft__legal{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem;color:var(--u-muted)}
@media (max-width:860px){.ft__top{grid-template-columns:1fr 1fr}}

/* ---------- Modal ---------- */
.modal{position:fixed;inset:0;z-index:400;background:rgba(10,10,18,.94);display:grid;place-items:center;padding:4vw}
.modal__v{width:min(1400px,100%);max-height:86vh;border-radius:12px;background:#000}
.modal__x{position:absolute;top:18px;right:22px;width:52px;height:52px;border-radius:50%;border:1.5px solid var(--u-line);font-size:1.8rem;line-height:1}
.modal__x:hover{background:var(--u-paper);color:var(--u-night)}

/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important}
  .loader{display:none}
  .rv{opacity:1;transform:none}
}
.no-gsap .rv{opacity:1;transform:none}
/* Con 11 versiones el selector no cabe en móvil: botones algo menores y difuminado lateral que indica que se desliza */
@media (max-width:600px){.dock__btns{gap:1px;-webkit-mask-image:linear-gradient(90deg,#000 82%,transparent);mask-image:linear-gradient(90deg,#000 82%,transparent);padding-right:18px}.dock__btns button{width:31px;height:34px}}

/* ==========================================================
   SISTEMA «sx» (ronda 5) — lenguaje común para todas las secciones nuevas.
   Una sola cabecera, una escala, una retícula, un ritmo. Ver src/CONTRATO.md.
   ========================================================== */
:root{
  --sx-gap:clamp(14px,1.6vw,24px);
  --sx-r:10px;                                 /* radio único para fotos y vídeos */
  --sx-py:clamp(80px,9vw,140px);               /* ritmo vertical normal */
  --sx-py-s:clamp(56px,6vw,96px);              /* secciones compactas */
  --sx-title:clamp(2.2rem,4.6vw,4.6rem);       /* h2 de sección */
  --sx-h3:clamp(1.15rem,1.5vw,1.45rem);
}
.sx{padding-block:var(--sx-py);position:relative}
.sx--s{padding-block:var(--sx-py-s)}
.sx--night{background:var(--u-night);color:var(--u-paper)}
.sx--navy{background:var(--u-navy);color:var(--u-paper)}
.sx--paper{background:var(--u-paper);color:var(--u-ink)}
.sx--white{background:#fff;color:var(--u-ink)}
.sx--blue{background:var(--u-blue-deep);color:#fff}
.sx-in{max-width:1500px;margin-inline:auto;padding-inline:var(--pad)}
.sx-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--sx-gap)}
/* Cabecera: índice + etiqueta / titular (8 col) / entradilla (4 col) / filete */
.sx-head{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--sx-gap);align-items:end;padding-bottom:clamp(24px,2.6vw,40px);margin-bottom:clamp(32px,4vw,64px);border-bottom:1px solid currentColor;border-bottom-color:color-mix(in srgb,currentColor 16%,transparent)}
.sx-kicker{grid-column:1/-1;display:flex;gap:.9rem;align-items:center;font-family:var(--f-mono);font-size:.72rem;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--u-blue-strong)}
.sx--night .sx-kicker,.sx--navy .sx-kicker,.sx--blue .sx-kicker{color:var(--u-blue)}
.sx-kicker b{font-weight:500;opacity:.55}
.sx-title{grid-column:1/span 8;font-family:var(--f-head);font-weight:var(--w-display);font-size:var(--sx-title);line-height:.98;letter-spacing:-.045em;text-wrap:balance}
.sx-lead{grid-column:9/-1;font-size:clamp(1rem,1.15vw,1.12rem);line-height:1.55;color:var(--u-muted-dark);max-width:44ch}
.sx--night .sx-lead,.sx--navy .sx-lead{color:var(--u-muted)}
.sx--blue .sx-lead{color:rgba(255,255,255,.78)}
.sx-head--solo .sx-title{grid-column:1/span 10}
.sx-h3{font-family:var(--f-head);font-weight:var(--w-head);font-size:var(--sx-h3);line-height:1.15;letter-spacing:-.025em}
.sx-meta{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--u-muted-dark)}
.sx--night .sx-meta,.sx--navy .sx-meta{color:var(--u-muted)}
.sx-media{border-radius:var(--sx-r);overflow:hidden;background:color-mix(in srgb,currentColor 8%,transparent)}
.sx-media img,.sx-media video{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
a:hover .sx-media img,a:focus-visible .sx-media img{transform:scale(1.04)}
.sx-link{display:inline-flex;align-items:center;gap:.55rem;min-height:44px;font-family:var(--f-head);font-weight:600;background:linear-gradient(currentColor,currentColor) 0 calc(100% - 8px)/0 1px no-repeat;transition:background-size .5s var(--ease)}
.sx-link:hover,.sx-link:focus-visible{background-size:100% 1px}
.sx-link svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2}
.sx-rule{height:1px;border:0;margin:0;background:currentColor;opacity:.16}
@media (max-width:900px){
  .sx-title,.sx-head--solo .sx-title,.sx-lead{grid-column:1/-1}
  .sx-grid{grid-template-columns:repeat(6,minmax(0,1fr))}
}