/* Dos Players v2. Oscuro, un solo núcleo 3D fijo detrás del contenido.
   Tokens heredados de DESIGN-SYSTEM.md. Esta hoja es independiente de shared.css. */
:root {
  --black: #0d0d0d;
  --ink: #fafaf8;
  --gray-200: #e8e6e1;
  --gray-400: #bdb9c4;
  --bg: #0d0d0d;
  --gray-600: #5a5852;
  --accent: #6b2fee;
  --accent-light: #b890f7;
  --accent-dark: #5a24d4;
  --error: #ff6b6b;
  --ok: #7ee2a8;
  --serif: 'DM Serif Display', Georgia, 'Times New Roman', serif;
  --sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --pad: clamp(1.25rem, 5vw, 4rem);
  --line: rgba(250, 250, 248, 0.12);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.lock { overflow: hidden; }
img, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent-light); outline-offset: 3px; border-radius: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 1rem; top: -4rem; background: var(--ink); color: var(--black); padding: 0.6rem 1rem; border-radius: 2rem; z-index: 200; }
.skip:focus { top: 1rem; }

/* ---------- Núcleo 3D ---------- */
#core {
  position: fixed; inset: 0; width: 100vw; height: 100vh; height: 100dvh;
  z-index: 0; pointer-events: none; opacity: 0; transition: opacity 1.2s var(--ease);
}
#core.ready { opacity: 1; }
.core-fallback {
  position: fixed; z-index: 0; pointer-events: none;
  width: min(62vw, 62vh); aspect-ratio: 1; right: 8vw; top: 50%; transform: translateY(-50%);
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, rgba(184, 144, 247, 0.55), transparent 42%),
    radial-gradient(circle at 60% 65%, rgba(107, 47, 238, 0.8), rgba(18, 7, 43, 0.9) 62%, transparent 72%);
  filter: blur(2px);
  box-shadow: 0 0 120px rgba(107, 47, 238, 0.35);
  transition: opacity 1.2s var(--ease);
}
html.core-ready .core-fallback { opacity: 0; }
@media (max-width: 900px) {
  .core-fallback { right: 50%; transform: translate(50%, -50%); top: 30%; width: 70vw; }
}
@media (prefers-reduced-motion: reduce) {
  .core-fallback { transition: none; }
}

main, footer { position: relative; z-index: 1; }

/* ---------- Nav ---------- */
#nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: 68px;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1.5rem;
  padding: 0 var(--pad);
  transition: background 0.3s var(--ease), backdrop-filter 0.3s var(--ease), border-color 0.3s var(--ease);
  border-bottom: 1px solid transparent;
}
#nav.solid { background: color-mix(in srgb, var(--bg) 78%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-color: var(--line); }
.logo img { height: 34px; width: auto; }
.nav-links { display: flex; align-items: center; gap: clamp(1rem, 2.4vw, 2.2rem); list-style: none; font-size: 0.9rem; }
.nav-links a { color: rgba(250, 250, 248, 0.78); transition: color 0.3s var(--ease); padding: 0.4rem 0; border-bottom: 1px solid transparent; }
.nav-links a:hover, .nav-links a[aria-current] { color: var(--ink); border-bottom-color: var(--accent-light); }
.nav-cta { font-size: 0.85rem; padding: 0.55rem 1.1rem; border: 1px solid var(--line); border-radius: 2rem; transition: all 0.3s var(--ease); }
.nav-cta:hover { background: var(--accent); border-color: var(--accent); }
.burger { display: none; width: 44px; height: 44px; position: relative; }
.burger span { position: absolute; left: 11px; right: 11px; height: 2px; background: var(--ink); transition: transform 0.3s var(--ease), opacity 0.3s; }
.burger span:nth-child(1) { top: 16px; } .burger span:nth-child(2) { top: 21px; } .burger span:nth-child(3) { top: 26px; }
.burger[aria-expanded='true'] span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.burger[aria-expanded='true'] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded='true'] span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }
.menu {
  position: fixed; inset: 0; z-index: 90; background: color-mix(in srgb, var(--bg) 96%, transparent);
  display: flex; flex-direction: column; justify-content: center; gap: 1.2rem; padding: 0 var(--pad);
  font-family: var(--serif); font-size: clamp(2rem, 9vw, 3rem);
  clip-path: inset(0 0 100% 0); visibility: hidden; transition: clip-path 0.45s var(--ease), visibility 0s 0.45s;
}
.menu.open { clip-path: inset(0); visibility: visible; transition: clip-path 0.45s var(--ease); }
@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .burger { display: block; }
}

/* ---------- Tipografía y botones ---------- */
.eyebrow { font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent-light); margin-bottom: 1.25rem; }
h1 { font-weight: 500; font-size: clamp(2.3rem, 4.8vw, 4.4rem); line-height: 1.02; letter-spacing: -0.04em; text-wrap: balance; max-width: 18ch; }
h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(2rem, 4.4vw, 3.6rem); line-height: 1.05; letter-spacing: -0.02em; text-wrap: balance; }
.lead { font-size: clamp(1rem, 1.5vw, 1.2rem); color: rgba(250, 250, 248, 0.78); max-width: 34ch; margin-top: 1.25rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 2.2rem; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0.8rem 1.6rem; border-radius: 2rem; font-weight: 500; font-size: 0.95rem; transition: all 0.3s var(--ease); }
.btn-primary { background: var(--accent-dark); color: var(--ink); box-shadow: inset 0 0 0 1px rgba(184, 144, 247, 0.55), 0 0 0 0 rgba(107, 47, 238, 0.5); }
.btn-primary:hover { background: #4f1fc0; box-shadow: inset 0 0 0 1px rgba(184, 144, 247, 0.8), 0 0 36px 0 rgba(107, 47, 238, 0.55); transform: translateY(-1px); }
.btn-ghost { border: 1px solid var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--accent-light); color: var(--accent-light); }

/* ---------- Secciones ---------- */
.sec { min-height: 100vh; min-height: 100svh; display: flex; align-items: center; padding: 6rem var(--pad); }
.sec-in { width: 100%; max-width: 1280px; margin: 0 auto; }
.sec.right .col { margin-left: auto; }
.col.more { max-width: 640px; }
.col { max-width: 560px; }
.col.wide { max-width: 100%; }
@media (max-width: 900px) {
  .sec { min-height: auto; padding: 5rem var(--pad); }
  .sec.hero { min-height: 100svh; align-items: flex-end; padding-bottom: 3.5rem; }
  .col { max-width: 100%; }
}

.reveal { transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
@media (scripting: enabled) and (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(26px); animation: rf 0s 2.8s forwards; }
  .reveal.in { opacity: 1; transform: none; animation: none; }
}
@keyframes rf { to { opacity: 1; transform: none; } }

/* ---------- Servicios ---------- */
.rows { margin-top: 2.5rem; border-top: 1px solid var(--line); }
.row { display: grid; grid-template-columns: 3rem 1fr auto; align-items: baseline; gap: 1rem; padding: 1.5rem 0; border-bottom: 1px solid var(--line); transition: padding 0.3s var(--ease), background 0.3s var(--ease); }
.row:hover { padding-left: 0.8rem; background: linear-gradient(90deg, rgba(107, 47, 238, 0.14), transparent); }
.row-n { font-family: var(--serif); color: var(--accent-light); font-size: 1rem; }
.row-t { font-family: var(--serif); font-size: clamp(1.5rem, 3vw, 2.3rem); line-height: 1.1; }
.row-d { grid-column: 2; color: rgba(250, 250, 248, 0.62); font-size: 0.95rem; margin-top: 0.3rem; }
.row-a { font-size: 1.4rem; color: var(--accent-light); transition: transform 0.3s var(--ease); }
.row:hover .row-a { transform: translateX(6px); }

/* ---------- Trabajo ---------- */
.work { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2.5rem; }
.card { position: relative; display: block; border-radius: 0.75rem; overflow: hidden; background: #111; border: 1px solid var(--line); aspect-ratio: 4 / 5; }
.card video, .card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s var(--ease); }
.card:hover video, .card:hover img { transform: scale(1.05); }
.card::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0) 55%); }
.card-t { position: absolute; z-index: 2; left: 1.1rem; right: 1.1rem; bottom: 1.1rem; }
.card-t b { display: block; font-family: var(--serif); font-weight: 400; font-size: 1.25rem; line-height: 1.15; }
.tag { display: inline-block; margin-top: 0.4rem; font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent-light); }
@media (max-width: 900px) { .work { grid-template-columns: 1fr; } .card { aspect-ratio: 16 / 10; } }

/* ---------- Más ---------- */
.more-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem 2rem; margin-top: 2rem; }
.more-g h3 { font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gray-400); font-weight: 500; margin-bottom: 0.6rem; }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip { font-size: 0.85rem; padding: 0.4rem 0.9rem; border: 1px solid var(--line); border-radius: 2rem; background: rgba(0, 0, 0, 0.25); }
@media (max-width: 600px) { .more-grid { grid-template-columns: 1fr; } }
.body { color: rgba(250, 250, 248, 0.78); margin-top: 1.1rem; max-width: 46ch; }

/* ---------- Equipo ---------- */
.team { display: flex; gap: 1.5rem; margin-top: 2rem; flex-wrap: wrap; }
.person { display: flex; align-items: center; gap: 1rem; }
.person img { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; object-position: center top; border: 1px solid var(--line); }
.person b { display: block; font-weight: 500; }
.person span { font-size: 0.85rem; color: var(--gray-400); }

/* ---------- Contacto ---------- */
.contact-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 6vw, 6rem); align-items: start; }
@media (max-width: 900px) { .contact-wrap { grid-template-columns: 1fr; } }
.contact-form { position: relative; isolation: isolate; display: grid; gap: 1rem; padding: clamp(1.25rem, 3vw, 2rem); }
.contact-form::before { content: ''; position: absolute; inset: 0; z-index: -1; border: 1px solid var(--line); border-radius: 1rem; background: rgba(13, 13, 13, 0.62); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); opacity: var(--box, 1); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.form-field label { display: block; font-size: 0.78rem; letter-spacing: 0.04em; color: var(--gray-400); margin-bottom: 0.35rem; }
.form-field input, .form-field select, .form-field textarea {
  width: 100%; min-height: 48px; padding: 0.7rem 0.9rem; font: inherit; font-size: 1rem; color: var(--ink);
  background: rgba(250, 250, 248, 0.05); border: 1px solid var(--line); border-radius: 0.5rem; transition: border-color 0.3s var(--ease);
}
.form-field textarea { min-height: 110px; resize: vertical; }
.form-field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--gray-400) 50%), linear-gradient(135deg, var(--gray-400) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%; background-size: 6px 6px; background-repeat: no-repeat; }
.form-field select option { color: #111; }
.form-field select.is-placeholder { color: var(--gray-400); }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--accent-light); outline: none; box-shadow: 0 0 0 3px rgba(184, 144, 247, 0.35); }
.form-field input.valid, .form-field textarea.valid, .form-field select.valid { border-color: rgba(126, 226, 168, 0.55); }
.form-field input.error, .form-field textarea.error, .form-field select.error { border-color: var(--error); }
.form-field-footer { display: flex; justify-content: space-between; gap: 1rem; }
.error-message { display: none; color: #ffa3a3; font-size: 0.8rem; margin-top: 0.3rem; }
.error-message.show { display: block; }
.character-counter { font-size: 0.75rem; color: var(--gray-400); margin-top: 0.3rem; margin-left: auto; }
.character-counter.warning { color: var(--error); }
.form-submit { min-height: 52px; border-radius: 2rem; background: var(--accent-dark); box-shadow: inset 0 0 0 1px rgba(184, 144, 247, 0.55); font-weight: 500; transition: all 0.3s var(--ease); }
.form-submit:hover { background: #4f1fc0; box-shadow: inset 0 0 0 1px rgba(184, 144, 247, 0.8), 0 0 36px rgba(107, 47, 238, 0.5); }
.contact-form.loading .form-submit { opacity: 0.6; cursor: wait; }
.ajax-response { display: none; padding: 0.8rem 1rem; border-radius: 0.5rem; font-size: 0.9rem; }
.ajax-response.success { color: var(--ok); border: 1px solid rgba(126, 226, 168, 0.4); }
.ajax-response.error { color: #ffa3a3; border: 1px solid rgba(255, 107, 107, 0.4); }

/* ---------- Páginas de servicio ---------- */
.list { list-style: none; margin-top: 2rem; border-top: 1px solid var(--line); }
.list li { padding: 1rem 0; border-bottom: 1px solid var(--line); display: flex; gap: 1rem; align-items: baseline; }
.list li::before { content: ''; flex: none; width: 6px; height: 6px; border-radius: 50%; background: var(--accent-light); transform: translateY(-3px); }
.reel { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 2.5rem; }
.reel .card { aspect-ratio: 16 / 9; }
@media (max-width: 900px) { .reel { grid-template-columns: 1fr; } }
.crumb { font-size: 0.85rem; color: var(--gray-400); margin-bottom: 1.5rem; display: inline-block; }
.crumb:hover { color: var(--ink); }

/* ---------- Footer ---------- */
footer { padding: 2rem var(--pad); border-top: 1px solid var(--line); background: var(--bg); }
.foot { max-width: 1280px; margin: 0 auto; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; font-size: 0.85rem; color: var(--gray-400); }
.foot a:hover { color: var(--ink); }
.foot nav { display: flex; gap: 1.4rem; }

/* WhatsApp flotante */
.wsp { position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 95; width: 56px; height: 56px; border-radius: 50%; background: #25d366; display: grid; place-items: center; box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45); transition: transform 0.3s var(--ease); }
.wsp:hover { transform: scale(1.06); }
.wsp img { width: 28px; height: 28px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}

/* Revisión QA: objetivos táctiles y contraste en móvil */
.logo, .crumb, .foot a { display: inline-flex; align-items: center; min-height: 44px; }
.logo { min-width: 44px; }
@media (max-width: 900px) {
  .lead, .body, .nav-links a { color: rgba(250, 250, 248, 0.92); }
  .sec .col { text-shadow: 0 0 18px rgba(13, 13, 13, 0.85); }
  .foot nav { gap: 0.5rem 1.2rem; }
}

/* Páginas de lectura (privacidad) */
.sec.legal { min-height: auto; align-items: flex-start; padding-top: 9rem; padding-bottom: 6rem; }
.legal .col { max-width: 680px; }
.legal h1 { margin-bottom: 1.5rem; }
.legal h2 { font-size: clamp(1.15rem, 2vw, 1.4rem); margin-top: 2.5rem; }
.legal .actions { margin-top: 3rem; }
.card-t { z-index: 1; }

/* Hero: entrada por CSS puro (sin esperar JS) para no retrasar el LCP */
@keyframes hin { from { opacity: 0.01; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@media (scripting: enabled) {
  .sec.hero .reveal { opacity: 1; transform: none; transition: none; animation: hin 0.7s var(--ease) both; }
  .sec.hero .reveal:nth-child(2) { animation-delay: 0.06s; }
  .sec.hero .reveal:nth-child(3) { animation-delay: 0.12s; }
  .sec.hero .reveal:nth-child(4) { animation-delay: 0.18s; }
  .sec.hero .reveal:nth-child(5) { animation-delay: 0.24s; }
}
@media (prefers-reduced-motion: reduce) { .sec.hero .reveal { animation: none; } }

/* Lista con descripción */
.list li span { display: block; }
.list li b { display: block; font-weight: 500; font-size: 1rem; }
.list li small { display: block; margin-top: 0.2rem; font-size: 0.9rem; color: rgba(250, 250, 248, 0.78); }
.card.card-wide { aspect-ratio: 16 / 10; }


.burger { justify-self: end; }
.wsp { transition: transform 0.3s var(--ease), opacity 0.3s var(--ease); }
.at-contact .wsp { opacity: 0; transform: scale(0.8); pointer-events: none; }

/* Aparición ligada al scroll (fuera del hero): la escala y la opacidad las escribe main.js según la posición */
main { overflow-x: clip; }
.sq-live { transition: none !important; will-change: transform, opacity; }