/* Dubline: negro fijo, tinta blanca, gris de apoyo. El trazo a marcador del logo es el único gesto expresivo. */
:root {
  --paper: #000000;
  --ink: #ffffff;
  --graphite: #9a9a9a;
  --smoke: #161616;
  --line: #2a2a2a;
  --font: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --step-1: 1.25rem;
  --step-2: clamp(1.6rem, 1.2rem + 1.6vw, 2.2rem);
  --step-3: clamp(2.2rem, 1.3rem + 3.4vw, 4.2rem);
  --wrap: 1240px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font); font-size: 1rem; line-height: 1.5; }
img, video { max-width: 100%; display: block; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }

.wrap { max-width: var(--wrap); margin-inline: auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
@media (min-width: 700px) { .wrap { padding-left: max(32px, env(safe-area-inset-left, 0px)); padding-right: max(32px, env(safe-area-inset-right, 0px)); } }

/* Logo como máscara para que tome el color de la tinta */
.mark { display: block; background: var(--ink); -webkit-mask: var(--src) center / contain no-repeat; mask: var(--src) center / contain no-repeat; }
.mark--h { --src: url("/assets/logo-horizontal.png"); aspect-ratio: 1200 / 304; }
.mark--o { --src: url("/assets/logo-mark.png"); aspect-ratio: 400 / 380; }
.mark--w { --src: url("/assets/logo-letras.png"); aspect-ratio: 701 / 241; }

/* Header */
.top { position: sticky; top: 0; z-index: 20; background: rgba(0,0,0,.86); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); padding-top: env(safe-area-inset-top, 0px); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 14px; }
.brand .mark--h { width: 140px; }
.nav { display: flex; gap: 28px; align-items: center; font-size: .95rem; }
.nav .links { display: flex; gap: 28px; }
.nav a { text-decoration: none; }
.nav .links a:hover { text-decoration: underline; text-underline-offset: 4px; }
@media (max-width: 760px) { .nav .links { display: none; } }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 12px 20px; border: 2px solid var(--ink); border-radius: 999px; background: var(--ink); color: var(--paper); font: 600 .95rem/1 var(--font); text-decoration: none; cursor: pointer; }
.btn:hover { background: var(--paper); color: var(--ink); }
.btn--ghost { background: transparent; color: var(--ink); }
.btn--ghost:hover { background: var(--ink); color: var(--paper); }
.btn--sm { padding: 9px 16px; font-size: .875rem; }

/* Banner: tira de clips verticales como en una línea de tiempo */
.banner { position: relative; overflow: hidden; background: var(--paper); }
.strip { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; max-height: 72vh; }
.strip video { width: 100%; aspect-ratio: 9 / 16; object-fit: cover; background: var(--smoke); }
@media (max-width: 700px) { .strip { grid-template-columns: repeat(3, 1fr); } .strip video:nth-child(n+4) { display: none; } }
.shade { position: absolute; inset: 0; background: linear-gradient(to top, #000 4%, rgba(0,0,0,.55) 45%, rgba(0,0,0,.25)); }
.banner .inner { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 18px; text-align: center; padding-inline: 16px; }
.banner-logo { width: min(560px, 76vw); }
.banner p { margin: 0; font-size: var(--step-1); font-weight: 500; }

/* Hero */
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 80px); align-items: center; padding-block: clamp(48px, 7vw, 96px); }
@media (max-width: 860px) { .hero .wrap { grid-template-columns: 1fr; } }
.hero-title { font-size: var(--step-3); line-height: 1.02; font-weight: 700; letter-spacing: -.02em; margin: 0 0 24px; text-wrap: balance; }
.lede { font-size: var(--step-1); color: var(--graphite); max-width: 34ch; margin: 0 0 32px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.where { margin: 40px 0 0; display: flex; gap: 10px; align-items: center; font-size: .875rem; color: var(--graphite); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: #e00000; animation: rec 1.6s steps(2) infinite; }
@keyframes rec { 50% { opacity: 0; } }

.reel { position: relative; margin: 0; width: 100%; max-width: 360px; justify-self: center; aspect-ratio: 9 / 16; background: var(--smoke); border-radius: 22px; overflow: hidden; }
.reel video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.reel .play { position: absolute; inset: 0; border: 0; padding: 0; background: linear-gradient(to top, rgba(0,0,0,.7), transparent 50%); cursor: pointer; display: grid; place-items: center; }
.reel .play .mark--o { width: 30%; transition: transform .25s ease; }
.reel .play:hover .mark--o { transform: rotate(-8deg) scale(1.06); }
.reel.is-playing .play, .reel.is-playing figcaption { display: none; }
.reel figcaption { position: absolute; left: 18px; right: 18px; bottom: 16px; font-size: .85rem; color: var(--graphite); pointer-events: none; }
.reel figcaption b { display: block; color: var(--ink); font-size: 1rem; }

/* Clientes */
.clients { border-top: 1px solid var(--line); }
.clients .wrap { padding-block: 40px; }
.clients-title { margin: 0 0 24px; color: var(--graphite); font-size: .9rem; }
.logos { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 28px 48px; }
.logos img { height: 34px; width: auto; max-width: 150px; object-fit: contain; opacity: .75; transition: opacity .2s; }
.logos img.tall { height: 52px; }
.logos img:hover { opacity: 1; }
@media (max-width: 640px) { .logos { gap: 22px 30px; } .logos img { height: 26px; max-width: 120px; } .logos img.tall { height: 40px; } }

/* Secciones */
section { scroll-margin-top: 70px; }
.sec { padding-block: clamp(56px, 8vw, 112px); border-top: 1px solid var(--line); }
.sec h2 { font-size: var(--step-2); font-weight: 700; line-height: 1.05; margin: 0 0 12px; text-wrap: balance; }
.intro { color: var(--graphite); max-width: 56ch; margin: 0 0 32px; }

/* Filtros con círculo a marcador */
.filters { display: flex; flex-wrap: wrap; gap: 6px 4px; margin: 0 0 32px -12px; }
.chip { position: relative; border: 0; background: none; color: var(--graphite); font: 600 1.05rem/1 var(--font); padding: 14px 16px; cursor: pointer; }
.chip:hover, .chip[aria-pressed="true"] { color: var(--ink); }
.chip svg { position: absolute; inset: -2px -6px; width: calc(100% + 12px); height: calc(100% + 4px); overflow: visible; pointer-events: none; }
.chip path { fill: none; stroke: var(--ink); stroke-width: 2.6; stroke-linecap: round; vector-effect: non-scaling-stroke; stroke-dasharray: 520; stroke-dashoffset: 520; transition: stroke-dashoffset .45s ease-out; }
.chip[aria-pressed="true"] path { stroke-dashoffset: 0; }
.chip .n { font-size: .75rem; color: var(--graphite); margin-left: 4px; font-weight: 400; }

.grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 1000px) { .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 640px) { .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; } }
.tile { display: block; width: 100%; padding: 0; border: 0; background: none; color: inherit; text-align: left; font: inherit; cursor: pointer; }
.frame { display: block; position: relative; aspect-ratio: 9 / 16; background: var(--smoke); border-radius: 14px; overflow: hidden; }
.frame img, .frame video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.tile:hover .frame img { transform: scale(1.03); }
.badge { position: absolute; top: 10px; left: 10px; display: flex; gap: 6px; }
.badge span { background: rgba(0,0,0,.72); color: var(--ink); font-size: .72rem; font-weight: 600; padding: 5px 9px; border-radius: 999px; }
.badge .ai { background: var(--ink); color: var(--paper); }
.tile .cap { display: block; padding: 10px 2px 0; font-size: .95rem; font-weight: 600; line-height: 1.3; }
.tile .cap small { display: block; color: var(--graphite); font-size: .8rem; font-weight: 400; }

/* Servicios */
.services { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 2px solid var(--ink); }
@media (max-width: 860px) { .services { grid-template-columns: 1fr; } }
.svc { padding: 28px 28px 28px 0; }
.svc + .svc { padding-left: 28px; border-left: 1px solid var(--line); }
@media (max-width: 860px) { .svc, .svc + .svc { padding: 24px 0; border-left: 0; border-bottom: 1px solid var(--line); } }
.svc h3 { font-size: var(--step-1); font-weight: 700; margin: 0 0 10px; }
.svc p { margin: 0 0 14px; color: var(--graphite); }
.svc ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; font-size: .95rem; }
.svc li::before { content: "/ "; color: var(--graphite); }

/* Contacto */
.contact { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 96px); }
@media (max-width: 860px) { .contact { grid-template-columns: 1fr; } }
.sec .big { font-size: var(--step-3); letter-spacing: -.02em; line-height: 1.02; margin: 0 0 28px; }
.dl { display: grid; gap: 18px; margin: 0; }
.dl div { display: grid; gap: 2px; }
.dl dt { font-size: .8rem; color: var(--graphite); }
.dl dd { margin: 0; font-size: var(--step-1); font-weight: 600; overflow-wrap: anywhere; }
.dl dd a { text-decoration: none; }
.dl dd a:hover { text-decoration: underline; text-underline-offset: 4px; }
form { display: grid; gap: 16px; align-content: start; }
label { display: grid; gap: 6px; font-size: .85rem; color: var(--graphite); }
input, select, textarea { font: 400 1rem/1.4 var(--font); color: var(--ink); background: var(--paper); border: 0; border-bottom: 2px solid var(--line); padding: 10px 0; border-radius: 0; }
input:focus, select:focus, textarea:focus { outline: none; border-bottom-color: var(--ink); }
textarea { resize: vertical; min-height: 96px; }
form .btn { justify-self: start; margin-top: 8px; }

footer { border-top: 1px solid var(--line); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; padding-block: 28px calc(28px + env(safe-area-inset-bottom, 0px)); font-size: .85rem; color: var(--graphite); }
footer .mark--w { width: 96px; }

/* Visor de proyectos */
.lightbox { width: 100vw; height: 100dvh; max-width: none; max-height: none; margin: 0; padding: 0; border: 0; background: #000; color: var(--ink); }
.lightbox::backdrop { background: #000; }
.lightbox[open] { display: grid; grid-template-rows: auto 1fr; }
.lb-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: calc(14px + env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px)) 14px max(16px, env(safe-area-inset-left, 0px)); }
.lb-head b { display: block; font-size: 1.05rem; }
.lb-head span { color: var(--graphite); font-size: .85rem; }
.lb-close { background: none; border: 2px solid var(--ink); color: var(--ink); border-radius: 999px; padding: 8px 16px; font: 600 .9rem/1 var(--font); cursor: pointer; }
.lb-stage { min-height: 0; display: grid; place-items: center; padding: 0 16px calc(16px + env(safe-area-inset-bottom, 0px)); }
.lb-stage img, .lb-stage video { max-height: 100%; max-width: 100%; width: auto; height: auto; object-fit: contain; border-radius: 10px; }
.lb-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 52px; height: 52px; border-radius: 50%; border: 0; background: rgba(255,255,255,.12); color: var(--ink); font-size: 2rem; line-height: 1; cursor: pointer; }
.lb-nav:hover { background: rgba(255,255,255,.24); }
.lb-prev { left: max(12px, env(safe-area-inset-left, 0px)); }
.lb-next { right: max(12px, env(safe-area-inset-right, 0px)); }
.lb-nav[hidden] { display: none; }
@media (max-width: 640px) { .lb-nav { top: auto; bottom: calc(24px + env(safe-area-inset-bottom, 0px)); transform: none; } }