/* ==========================================================
   snoowbricks — hoja de estilos
   Tokens de la guía de marca (v1) · temas oscuro y claro
   ========================================================== */

/* ---------- Fuentes locales (sin Google Fonts) ---------- */
@font-face {
  font-family: "Syne";
  src: url("../fonts/Syne.woff2") format("woff2");
  font-weight: 400 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "DM Sans";
  src: url("../fonts/DMSans.woff2") format("woff2");
  font-weight: 100 1000;
  font-style: normal;
  font-display: swap;
}

/* ---------- Tokens ---------- */
:root {
  /* color · tema oscuro (por defecto) */
  --accent: #ea4b1f;
  --accent-hover: #f26430;
  --accent-text: #ea4b1f;      /* naranja para texto pequeño */
  --on-accent: #0a0a0a;        /* texto sobre naranja, en ambos temas */
  --accent-glow: rgba(234, 75, 31, 0.35);
  --accent-subtle: rgba(234, 75, 31, 0.08);
  --bg: #0a0a0a;
  --text: #f0f0f0;
  --text-2: #c8c8c8;
  --text-3: #888888;
  --line: #444444;             /* solo líneas, nunca texto */
  --surface: #222222;
  --card: rgba(255, 255, 255, 0.03);
  --card-hover: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(255, 255, 255, 0.12);
  --nav-bg: rgba(10, 10, 10, 0.6);
  --nav-bg-scrolled: rgba(10, 10, 10, 0.88);
  --menu-bg: rgba(10, 10, 10, 0.97);
  --img-fade: rgba(10, 10, 10, 0.7);
  --shadow-card: 0 20px 50px rgba(0, 0, 0, 0.4);
  color-scheme: dark;

  /* tipografía */
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;

  /* espaciado */
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 2.5rem;
  --space-6: 3rem;
  --space-8: 4rem;
  --space-16: 8rem;

  /* radios y sombra */
  --radius-brick: 3px;
  --radius-card: 20px;
  --radius-pill: 50px;
  --shadow-glow: 0 8px 30px var(--accent-glow);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --nav-h: 72px;
  --content: 1100px;
}

/* ---------- Tema claro ---------- */
html[data-theme="light"] {
  --accent-text: #b8360f;      /* 5,2:1 sobre --bg claro */
  --bg: #f0f0f0;
  --text: #0a0a0a;
  --text-2: #2e2e2e;
  --text-3: #5c5c5c;
  --line: #c8c8c8;
  --surface: #e2e2e2;
  --card: rgba(0, 0, 0, 0.025);
  --card-hover: rgba(0, 0, 0, 0.05);
  --border: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.16);
  --nav-bg: rgba(240, 240, 240, 0.7);
  --nav-bg-scrolled: rgba(240, 240, 240, 0.92);
  --menu-bg: rgba(240, 240, 240, 0.97);
  --img-fade: rgba(10, 10, 10, 0.35);
  --shadow-card: 0 20px 50px rgba(0, 0, 0, 0.12);
  --accent-glow: rgba(234, 75, 31, 0.22);
  color-scheme: light;
}

/* Logos: versión según el tema */
.for-light { display: none !important; }
html[data-theme="light"] .for-dark { display: none !important; }
html[data-theme="light"] .for-light { display: block !important; }

/* ---------- Idioma: muestra solo el activo ---------- */
html[data-lang="es"] [lang="en"]:not(html),
html[data-lang="en"] [lang="es"]:not(html) { display: none !important; }

/* ---------- Base ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.3s var(--ease), color 0.3s var(--ease);
}
main { flex: 1; position: relative; z-index: 1; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--accent); color: var(--on-accent); }

.skip-link {
  position: absolute; left: var(--space-2); top: -100px; z-index: 1000;
  background: var(--accent); color: var(--on-accent); padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-pill); font-weight: 500;
}
.skip-link:focus { top: var(--space-2); }

/* ---------- Nieve y grano ---------- */
#snow-canvas {
  position: fixed; inset: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 0; opacity: 0.45;
}
.grain-overlay {
  position: fixed; top: -50%; left: -50%; width: 200%; height: 200%;
  pointer-events: none; z-index: 999; opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Navegación ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  padding: 0 var(--space-6);
  background: var(--nav-bg);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.4s var(--ease), height 0.4s var(--ease);
}
.nav.scrolled { background: var(--nav-bg-scrolled); --nav-h: 60px; }
.nav-logo { display: flex; align-items: center; flex-shrink: 0; }
.nav-logo img { height: 26px; width: auto; }

.nav-links { display: flex; gap: var(--space-5); }
.nav-links a {
  position: relative;
  font-size: 0.85rem; font-weight: 500; letter-spacing: 0.05em; text-transform: uppercase;
  color: var(--text-3);
  transition: color 0.3s var(--ease);
}
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -4px; width: 0; height: 1px;
  background: var(--accent); transition: width 0.3s var(--ease);
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: var(--space-2); }

.lang-toggle {
  display: inline-flex; align-items: center; gap: 2px;
  padding: 0.35rem 0.4rem; border: 1px solid var(--border-hover); border-radius: var(--radius-pill);
  font-size: 0.72rem; font-weight: 500; letter-spacing: 0.1em;
  transition: border-color 0.3s var(--ease);
}
.lang-toggle:hover { border-color: var(--border-hover); }
.lang-toggle span { padding: 0.2rem 0.55rem; border-radius: var(--radius-pill); color: var(--text-3); transition: all 0.3s var(--ease); }
html[data-lang="es"] .lang-toggle [data-l="es"],
html[data-lang="en"] .lang-toggle [data-l="en"] { background: var(--accent); color: var(--on-accent); }

.theme-toggle {
  width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--border-hover); border-radius: 50%; color: var(--text-2);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease);
}
.theme-toggle:hover { color: var(--accent-text); border-color: var(--text-3); }
.theme-toggle .i-moon { display: none; }
html[data-theme="light"] .theme-toggle .i-sun { display: none; }
html[data-theme="light"] .theme-toggle .i-moon { display: block; }

.nav-hamburger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; padding: 0 9px; z-index: 200;
}
.nav-hamburger span {
  display: block; width: 100%; height: 1.5px; background: var(--text); border-radius: 2px;
  transition: all 0.35s var(--ease); transform-origin: center;
}
.nav-hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: 0; z-index: 90;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-4);
  background: var(--menu-bg);
  backdrop-filter: blur(30px); -webkit-backdrop-filter: blur(30px);
  opacity: 0; visibility: hidden; transition: opacity 0.4s var(--ease), visibility 0.4s;
}
.mobile-menu.open { opacity: 1; visibility: visible; }
.mobile-menu a {
  font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; letter-spacing: -0.02em;
  color: var(--text-3); transform: translateY(15px); opacity: 0; transition: all 0.4s var(--ease);
}
.mobile-menu a[aria-current="page"], .mobile-menu a:hover { color: var(--accent-text); }
.mobile-menu.open a { opacity: 1; transform: none; }
.mobile-menu.open a:nth-child(2) { transition-delay: 0.05s; }
.mobile-menu.open a:nth-child(3) { transition-delay: 0.1s; }
.mobile-menu.open a:nth-child(4) { transition-delay: 0.15s; }
.mobile-menu.open a:nth-child(5) { transition-delay: 0.2s; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-body); font-size: 0.9rem; font-weight: 500;
  padding: 0.9rem 2rem; border-radius: var(--radius-pill);
  transition: all 0.35s var(--ease);
}
.btn svg { transition: transform 0.3s var(--ease); }
.btn-primary { background: var(--accent); color: var(--on-accent); }
.btn-primary:hover { background: var(--accent-hover); box-shadow: var(--shadow-glow); transform: translateY(-2px); }
.btn-primary:hover svg { transform: translateX(4px); }
.btn-ghost { color: var(--text-2); border: 1px solid var(--border-hover); }
.btn-ghost:hover { color: var(--text); border-color: var(--text-3); background: var(--card-hover); }

/* ---------- Secciones ---------- */
.section { position: relative; border-top: 1px solid var(--border); }
.container { max-width: var(--content); margin: 0 auto; padding: var(--space-16) var(--space-4); }
.section-label {
  font-size: 0.7rem; font-weight: 500; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--accent-text); margin-bottom: var(--space-3);
}
.section-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.1; letter-spacing: -0.03em;
  margin-bottom: var(--space-8);
}
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--space-4); flex-wrap: wrap; margin-bottom: var(--space-8); }
.section-head .section-title { margin-bottom: 0; }
.link-more { display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.85rem; font-weight: 500; color: var(--text-2); border-bottom: 1px solid transparent; transition: all 0.3s var(--ease); }
.link-more:hover { color: var(--text); border-bottom-color: var(--accent-text); }

/* ---------- Hero (inicio) ---------- */
.hero {
  position: relative; min-height: 100vh; min-height: 100svh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: calc(var(--nav-h) + var(--space-6)) var(--space-4) var(--space-16);
  text-align: center; overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; top: 22%; left: 50%; width: 600px; height: 600px;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  filter: blur(80px); pointer-events: none;
  animation: pulse-glow 6s ease-in-out infinite;
}
.hero > * { position: relative; }
.hero-mark { width: 64px; height: auto; margin-bottom: var(--space-4); animation: fadeUp 0.8s var(--ease) 0.1s both; }
.hero-badge {
  font-size: 0.7rem; font-weight: 500; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--text-3); padding: 0.5rem 1.2rem; border: 1px solid var(--border-hover); border-radius: var(--radius-pill);
  margin-bottom: var(--space-5); animation: fadeUp 0.8s var(--ease) 0.2s both;
}
.hero-title {
  font-family: var(--font-display); font-weight: 800; line-height: 0.9; letter-spacing: -0.04em;
  font-size: clamp(4rem, 13vw, 10rem); margin-bottom: var(--space-3);
}
.hero-title .line { display: block; animation: fadeUp 0.8s var(--ease) both; }
.hero-title .line-1 { animation-delay: 0.35s; }
.hero-title .line-2 { color: var(--accent); animation-delay: 0.5s; }
.hero-tagline {
  font-size: 1.1rem; font-weight: 300; letter-spacing: 0.04em; color: var(--text-3);
  margin-bottom: var(--space-6); animation: fadeUp 0.8s var(--ease) 0.65s both;
}
.hero-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; justify-content: center; animation: fadeUp 0.8s var(--ease) 0.8s both; }
.scroll-hint {
  position: absolute; bottom: var(--space-5);
  display: flex; flex-direction: column; align-items: center; gap: 0.8rem;
  animation: fadeUp 0.8s var(--ease) 1.1s both;
}
.scroll-hint span { font-size: 0.65rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-3); }
.scroll-line { width: 1px; height: 40px; background: linear-gradient(to bottom, var(--text-3), transparent); animation: scroll-bounce 2s ease-in-out infinite; }

/* ---------- Tarjetas "sobre mí" ---------- */
.about-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); }
.about-card {
  padding: var(--space-5); border: 1px solid var(--border); border-radius: var(--radius-card);
  background: var(--card); transition: background 0.4s var(--ease), border-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.about-card:hover { background: var(--card-hover); border-color: var(--border-hover); transform: translateY(-4px); }
.card-number { font-family: var(--font-display); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.05em; color: var(--accent-text); margin-bottom: var(--space-3); }
.about-card h3 { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 0.8rem; }
.about-card p { font-size: 0.95rem; color: var(--text-3); }

/* ---------- Redes ---------- */
.social-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); }
.social-card {
  position: relative; overflow: hidden;
  display: flex; align-items: center; gap: var(--space-3);
  padding: var(--space-4) var(--space-5); border: 1px solid var(--border); border-radius: var(--radius-card);
  background: var(--card); transition: border-color 0.4s var(--ease), transform 0.4s var(--ease);
}
.social-card::before { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, var(--accent-subtle), transparent); opacity: 0; transition: opacity 0.4s var(--ease); }
.social-card:hover { border-color: var(--border-hover); transform: translateY(-3px); }
.social-card:hover::before { opacity: 1; }
.social-card > * { position: relative; }
.social-icon { color: var(--text-2); flex-shrink: 0; display: flex; transition: color 0.3s var(--ease); }
.social-card:hover .social-icon { color: var(--accent-text); }
.social-text { display: flex; flex-direction: column; }
.social-name { font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; }
.social-handle { font-size: 0.85rem; color: var(--text-3); }
.social-arrow { margin-left: auto; color: var(--text-3); display: flex; transition: all 0.3s var(--ease); }
.social-card:hover .social-arrow { color: var(--accent-text); transform: translate(3px, -3px); }

/* ---------- Cabecera de página interior ---------- */
.page-header {
  text-align: center; max-width: 820px; margin: 0 auto;
  padding: calc(var(--nav-h) + var(--space-8)) var(--space-4) var(--space-6);
}
.page-header > * { animation: fadeUp 0.8s var(--ease) both; }
.page-header > :nth-child(2) { animation-delay: 0.12s; }
.page-header > :nth-child(3) { animation-delay: 0.24s; }
.page-header > :nth-child(4) { animation-delay: 0.36s; }
.page-title { font-family: var(--font-display); font-weight: 800; font-size: clamp(2.5rem, 7vw, 4.5rem); line-height: 1; letter-spacing: -0.04em; margin-bottom: var(--space-2); }
.page-subtitle { font-size: 1.05rem; font-weight: 300; color: var(--text-3); letter-spacing: 0.02em; line-height: 1.7; max-width: 600px; margin: 0 auto; }
.breadcrumb { display: flex; justify-content: center; gap: 0.5rem; font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); margin-bottom: var(--space-3); }
.breadcrumb a:hover { color: var(--text); }
.breadcrumb .sep { color: var(--line); }

/* ---------- Rejilla de sets ---------- */
.grid-section { max-width: 1200px; margin: 0 auto; padding: var(--space-4) var(--space-4) var(--space-16); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: var(--space-3); }
.section .grid-section { padding: 0; }

.set-card {
  position: relative; display: block; overflow: hidden;
  border: 1px solid var(--border); border-radius: 16px; background: var(--card);
  transition: border-color 0.4s var(--ease), transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
a.set-card:hover { border-color: var(--border-hover); transform: translateY(-5px); box-shadow: var(--shadow-card); }
.card-image { position: relative; overflow: hidden; aspect-ratio: 16 / 10; background: var(--surface); }
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
a.set-card:hover .card-image img { transform: scale(1.06); }
.card-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, var(--img-fade) 0%, transparent 50%); pointer-events: none; }
.card-badge {
  position: absolute; top: 12px; right: 12px; z-index: 1;
  font-size: 0.65rem; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 0.35rem 0.9rem; border-radius: var(--radius-pill);
  background: rgba(10, 10, 10, 0.6); border: 1px solid rgba(255, 255, 255, 0.12); color: #f0f0f0;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.card-info { display: flex; align-items: center; gap: 0.8rem; padding: 1.2rem 1.4rem; }
.card-id { font-family: var(--font-display); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.05em; color: var(--accent-text); }
.card-name { font-family: var(--font-display); font-size: 1rem; font-weight: 700; letter-spacing: -0.01em; flex: 1; }
.card-arrow { color: var(--text-3); display: flex; transition: all 0.3s var(--ease); }
a.set-card:hover .card-arrow { color: var(--accent-text); transform: translateX(4px); }
.set-card.coming-soon .card-image img { filter: grayscale(0.8) brightness(0.6) blur(2px); }
.set-card.coming-soon .card-name { color: var(--text-3); }
.card-source { font-size: 0.75rem; color: var(--text-3); }
.dl-icon {
  position: absolute; z-index: 1; left: 50%; top: 50%; transform: translate(-50%, -50%) scale(0.85);
  width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: var(--accent); color: var(--on-accent); opacity: 0; transition: all 0.35s var(--ease);
}
a.set-card:hover .dl-icon, a.set-card:focus-visible .dl-icon { opacity: 1; transform: translate(-50%, -50%) scale(1); }

/* ---------- Ficha de set (artículo) ---------- */
.set-meta { display: flex; justify-content: center; gap: var(--space-2); flex-wrap: wrap; margin-top: var(--space-4); }
.article { max-width: 860px; margin: 0 auto; padding: 0 var(--space-4) var(--space-8); }
.article h2 { font-family: var(--font-display); font-weight: 700; font-size: 1.6rem; letter-spacing: -0.02em; margin: var(--space-8) 0 0.8rem; }
.article h3 { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: -0.01em; color: var(--text-2); margin: var(--space-4) 0 0.5rem; }
.article p { font-size: 1rem; line-height: 1.8; color: var(--text-2); margin-bottom: var(--space-3); }
.article figure { margin: var(--space-3) 0; }
.article figure img { width: 100%; border-radius: 16px; border: 1px solid var(--border); }
.article > :first-child { margin-top: 0; }
.article blockquote { border-left: 0; padding: var(--space-4); background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-card); }
.article blockquote p { margin-bottom: 0; }

.set-nav { max-width: 860px; margin: 0 auto; padding: 0 var(--space-4) var(--space-16); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); }
.set-nav-card {
  display: flex; align-items: center; gap: var(--space-2); padding: var(--space-2);
  border: 1px solid var(--border); border-radius: 16px; background: var(--card);
  transition: all 0.35s var(--ease);
}
.set-nav-card:hover { border-color: var(--border-hover); background: var(--card-hover); }
.set-nav-card img { width: 96px; aspect-ratio: 16 / 10; object-fit: cover; border-radius: 10px; flex-shrink: 0; }
.set-nav-card.next { grid-column: 2; flex-direction: row-reverse; text-align: right; }
.set-nav-dir { font-size: 0.7rem; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-3); }
.set-nav-name { font-family: var(--font-display); font-weight: 700; font-size: 1.05rem; }
.set-nav-card:hover .set-nav-dir { color: var(--accent-text); }

/* ---------- Páginas legales ---------- */
.legal { max-width: 760px; margin: 0 auto; padding: 0 var(--space-4) var(--space-16); }
.legal-section { padding: var(--space-4) 0; border-top: 1px solid var(--border); }
.legal-section h2 { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; letter-spacing: -0.01em; margin-bottom: 0.8rem; display: flex; gap: var(--space-2); align-items: baseline; }
.legal-section .num { font-size: 0.8rem; color: var(--accent-text); letter-spacing: 0.05em; }
.legal-section p { color: var(--text-2); line-height: 1.8; }
.legal-section a, .error-contact a { color: var(--text); border-bottom: 1px solid var(--accent); }
.legal-section a:hover { color: var(--accent-text); }

/* ---------- 404 ---------- */
.error-page { min-height: 100vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: calc(var(--nav-h) + var(--space-6)) var(--space-4) var(--space-8); position: relative; overflow: hidden; }
.error-page::before { content: ""; position: absolute; top: 40%; left: 50%; width: 500px; height: 500px; transform: translate(-50%, -50%); background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%); filter: blur(80px); pointer-events: none; animation: pulse-glow 6s ease-in-out infinite; }
.error-page > * { position: relative; animation: fadeUp 0.8s var(--ease) both; }
.error-code { font-family: var(--font-display); font-weight: 800; font-size: clamp(8rem, 20vw, 14rem); line-height: 1; letter-spacing: -0.05em; color: var(--accent); }
.error-title { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.3rem, 3vw, 1.8rem); letter-spacing: -0.02em; margin: var(--space-2) 0; animation-delay: 0.15s; }
.error-text { color: var(--text-3); max-width: 440px; line-height: 1.7; margin-bottom: var(--space-5); animation-delay: 0.3s; }
.error-page .hero-actions { animation-delay: 0.45s; }
.error-contact { margin-top: var(--space-6); font-size: 0.9rem; color: var(--text-3); animation-delay: 0.6s; }

/* ---------- Pie ---------- */
.footer { position: relative; z-index: 1; border-top: 1px solid var(--border); }
.footer-inner { max-width: var(--content); margin: 0 auto; padding: var(--space-8) var(--space-4) var(--space-5); display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--space-5); }
.footer-brand img { height: 26px; width: auto; margin-bottom: var(--space-2); }
.footer-brand p { color: var(--text-3); font-size: 0.9rem; max-width: 300px; }
.footer-col h2 { font-size: 0.7rem; font-weight: 500; letter-spacing: 0.3em; text-transform: uppercase; color: var(--text-3); margin-bottom: var(--space-2); }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col a { color: var(--text-2); font-size: 0.9rem; transition: color 0.3s var(--ease); }
.footer-col a:hover { color: var(--accent-text); }
.footer-bottom {
  max-width: var(--content); margin: 0 auto; padding: var(--space-3) var(--space-4) var(--space-5);
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; gap: var(--space-2); flex-wrap: wrap;
  font-size: 0.8rem; color: var(--text-3);
}

/* ---------- Aparición al hacer scroll (solo con JS) ---------- */
html.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
html.js .reveal.visible { opacity: 1; transform: none; }

/* ---------- Animaciones ---------- */
@keyframes fadeUp { from { opacity: 0; transform: translateY(25px); } to { opacity: 1; transform: none; } }
@keyframes pulse-glow { 0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); } 50% { opacity: 1; transform: translate(-50%, -50%) scale(1.15); } }
@keyframes scroll-bounce { 0%, 100% { opacity: 1; transform: scaleY(1); transform-origin: top; } 50% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-delay: 0s !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; transition-delay: 0s !important; }
  html { scroll-behavior: auto; }
  html.js .reveal { opacity: 1; transform: none; }
  #snow-canvas { display: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .nav { padding: 0 var(--space-3); gap: var(--space-2); }
  .nav-actions { gap: var(--space-1); }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .about-grid, .social-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (min-width: 901px) { .mobile-menu { display: none; } }
@media (max-height: 720px) { .scroll-hint { display: none; } }
@media (max-width: 600px) {
  .container { padding: 5rem var(--space-3); }
  .nav { padding: 0 var(--space-2); }
  .nav-logo img { height: 21px; }
  .about-card { padding: var(--space-4); }
  .social-card { padding: var(--space-3); gap: var(--space-2); }
  .set-nav { grid-template-columns: 1fr; }
  .set-nav-card.next { grid-column: auto; }
  .set-nav-card img { width: 72px; }
  .footer-bottom { flex-direction: column; }
}