/* ═══════════════════════════════════════════════════════════════
   Torno Cisneros — Retos (hub y páginas de juego)
   Namespace .tpc-  ·  Usa /assets/css/tokens.css
   No define reglas globales sobre elementos: todo cuelga de .tpc-site
═══════════════════════════════════════════════════════════════ */

html.tpc-lock,
html.tpc-lock body { overflow: hidden; overscroll-behavior: none; }

.tpc-site {
  --tpc-bad: oklch(70% 0.19 27);
  min-height: 100vh;
  background: var(--color-forge, #080c14);
  color: var(--color-vapor, #b8c8dc);
  font-family: var(--font-body, 'Barlow', sans-serif);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
.tpc-site *,
.tpc-site *::before,
.tpc-site *::after { box-sizing: border-box; }
.tpc-site a { color: inherit; }
.tpc-site :is(a, button, summary):focus-visible { outline: 2px solid var(--color-focus, #5fd3ff); outline-offset: 3px; }

.tpc-skip {
  position: absolute; left: 8px; top: -60px; z-index: 200;
  padding: 10px 16px; background: var(--color-blue, #1e6fff); color: #fff;
  font-family: var(--font-heading); font-weight: 700; letter-spacing: 0.08em; text-decoration: none;
}
.tpc-skip:focus { top: 8px; }

.tpc-wrap { width: min(var(--container-max, 1280px), 100% - 2.5rem); margin-inline: auto; }

/* ── cabecera ─────────────────────────────────────────────── */
.tpc-site-header {
  position: sticky; top: 0; z-index: 60;
  background: color-mix(in oklab, var(--color-forge, #080c14) 88%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border-soft, #1e2b45);
}
.tpc-site-header .tpc-wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 68px; }
.tpc-logo { display: inline-flex; align-items: center; gap: 0.7rem; text-decoration: none; }
.tpc-logo img { height: 52px; width: auto; display: block; }
.tpc-nav { display: flex; align-items: center; gap: clamp(0.8rem, 2vw, 1.8rem); }
.tpc-nav a {
  font-family: var(--font-heading); font-weight: 600; font-size: 1.02rem; letter-spacing: 0.1em;
  text-transform: uppercase; text-decoration: none; color: var(--color-vapor); padding: 0.4rem 0;
  border-bottom: 2px solid transparent;
}
.tpc-nav a:hover, .tpc-nav a[aria-current='page'] { color: var(--color-white); border-bottom-color: var(--color-blue); }
.tpc-nav .tpc-nav-cta {
  display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.55rem 1rem;
  background: var(--color-blue); color: #fff; border: 1px solid var(--color-blue-glow); border-radius: var(--radius-md, 4px);
}
.tpc-nav .tpc-nav-cta:hover { background: var(--color-blue-glow); border-color: var(--color-blue-glow); }
@media (max-width: 760px) {
  .tpc-nav a:not(.tpc-nav-cta) { display: none; }
  .tpc-nav a[aria-current='page'] { display: inline; }
  .tpc-logo img { height: 42px; }
}

/* ── botones ──────────────────────────────────────────────── */
.tpc-site .tpc-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.6rem;
  min-height: 52px; padding: 0.7rem 1.6rem;
  font-family: var(--font-heading); font-weight: 700; font-size: 1.15rem; letter-spacing: 0.1em;
  text-transform: uppercase; text-decoration: none; cursor: pointer;
  color: var(--color-white); background: var(--color-gunmetal); border: 1px solid var(--color-border);
  border-radius: var(--radius-md, 4px);
  transition: background 0.18s, border-color 0.18s, transform 0.12s;
}
.tpc-site .tpc-btn:hover { border-color: var(--color-blue-glow); background: var(--color-plate); }
.tpc-site .tpc-btn--primary {
  background: var(--color-blue); border-color: var(--color-blue-glow); color: #fff;
  box-shadow: 0 0 0 1px rgba(30, 111, 255, 0.4), 0 14px 36px -12px rgba(30, 111, 255, 0.75);
}
.tpc-site .tpc-btn--primary:hover { background: var(--color-blue-glow); }
.tpc-site .tpc-btn--lg { min-height: 60px; font-size: 1.3rem; padding-inline: 2.1rem; }
.tpc-site .tpc-btn svg { width: 20px; height: 20px; flex: none; }

/* ── tipografía de sección ────────────────────────────────── */
.tpc-eyebrow {
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--color-cyan); margin: 0 0 0.9rem; display: flex; align-items: center; gap: 0.7rem;
}
.tpc-eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--color-cyan); }
.tpc-site h1, .tpc-site h2, .tpc-site h3 {
  font-family: var(--font-heading); font-weight: 800; text-transform: uppercase;
  color: var(--color-white); line-height: 1; margin: 0; letter-spacing: 0.015em;
}
.tpc-site h1 { font-size: clamp(2.4rem, 6vw, 4.6rem); }
.tpc-site h2 { font-size: clamp(1.9rem, 3.8vw, 3rem); margin-bottom: 1rem; }
.tpc-site h3 { font-size: 1.45rem; margin-bottom: 0.5rem; }
.tpc-lead { font-size: clamp(1.05rem, 1.5vw, 1.25rem); color: var(--color-vapor); max-width: 60ch; margin: 1.2rem 0 1.8rem; }
.tpc-section { padding: clamp(3rem, 7vw, 6rem) 0; border-top: 1px solid var(--color-border-soft); }
.tpc-prose { max-width: 72ch; }
.tpc-prose p { margin: 0 0 1rem; }
.tpc-fine-print { font-size: 0.82rem; color: var(--color-chrome); max-width: 62ch; }

/* ── hero ─────────────────────────────────────────────────── */
.tpc-hero {
  padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(3rem, 6vw, 5rem);
  background:
    radial-gradient(ellipse at 80% 20%, rgba(30, 111, 255, 0.16), transparent 55%),
    linear-gradient(var(--color-forge), var(--color-steel));
}
.tpc-hero .tpc-wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 4rem); align-items: center; }
.tpc-hero-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; align-items: center; }
.tpc-hero-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1.6rem 0 0; padding: 0; list-style: none; }
.tpc-hero-chips li {
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.3rem 0.7rem; border: 1px solid var(--color-border); color: var(--color-vapor); border-radius: 2px;
}
.tpc-visual {
  background: var(--color-steel); border: 1px solid var(--color-border); border-radius: var(--radius-lg, 8px);
  padding: 0.6rem; box-shadow: var(--shadow-card);
}
.tpc-visual svg { width: 100%; height: auto; display: block; }
.tpc-visual figcaption { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; color: var(--color-chrome); padding: 0.5rem 0.4rem 0.2rem; text-transform: uppercase; }
@media (max-width: 900px) { .tpc-hero .tpc-wrap { grid-template-columns: 1fr; } }

/* ── pasos ────────────────────────────────────────────────── */
.tpc-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--color-border-soft); border: 1px solid var(--color-border-soft); margin: 2rem 0 0; padding: 0; list-style: none; }
.tpc-steps li { background: var(--color-steel); padding: 1.6rem; counter-increment: step; }
.tpc-steps li::before {
  content: '0' counter(step); display: block; font-family: var(--font-mono); font-size: 0.85rem; letter-spacing: 0.2em; color: var(--color-cyan); margin-bottom: 0.8rem;
}
.tpc-steps p { margin: 0; }
.tpc-steps { counter-reset: step; }
@media (max-width: 800px) { .tpc-steps { grid-template-columns: 1fr; } }

/* ── tabla de piezas ──────────────────────────────────────── */
.tpc-table-scroll { overflow-x: auto; border: 1px solid var(--color-border-soft); margin-top: 1.6rem; }
.tpc-parts { width: 100%; border-collapse: collapse; min-width: 720px; font-size: 0.95rem; }
.tpc-parts th, .tpc-parts td { padding: 0.75rem 1rem; text-align: left; border-top: 1px solid var(--color-border-soft); }
.tpc-parts thead th { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.16em; font-weight: 400; color: var(--color-chrome); text-transform: uppercase; border-top: 0; background: var(--color-steel); }
.tpc-parts tbody th { font-family: var(--font-mono); font-weight: 400; color: var(--color-cyan); }
.tpc-parts td:first-of-type { font-family: var(--font-heading); font-weight: 700; font-size: 1.1rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--color-white); }
.tpc-parts td.tpc-tol { font-family: var(--font-mono); color: var(--color-white); white-space: nowrap; }

/* ── materiales / tarjetas ────────────────────────────────── */
.tpc-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-top: 1.6rem; }
.tpc-card-m { padding: 1.2rem; background: var(--color-steel); border: 1px solid var(--color-border-soft); border-top: 2px solid var(--color-blue); }
.tpc-card-m h3 { font-size: 1.25rem; }
.tpc-card-m p { margin: 0; font-size: 0.92rem; }
@media (max-width: 960px) { .tpc-grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .tpc-grid-4 { grid-template-columns: 1fr; } }

/* ── FAQ ──────────────────────────────────────────────────── */
.tpc-faq { max-width: 860px; margin-top: 1.4rem; }
.tpc-faq details { border-top: 1px solid var(--color-border-soft); padding: 0; }
.tpc-faq details:last-child { border-bottom: 1px solid var(--color-border-soft); }
.tpc-faq summary { cursor: pointer; list-style: none; padding: 1.1rem 0; font-family: var(--font-heading); font-weight: 700; font-size: 1.25rem; letter-spacing: 0.04em; text-transform: uppercase; color: var(--color-white); display: flex; justify-content: space-between; gap: 1rem; }
.tpc-faq summary::-webkit-details-marker { display: none; }
.tpc-faq summary::after { content: '+'; font-family: var(--font-mono); color: var(--color-cyan); }
.tpc-faq details[open] summary::after { content: '−'; }
.tpc-faq details p { margin: 0 0 1.1rem; max-width: 70ch; }

/* ── banda CTA ────────────────────────────────────────────── */
.tpc-cta-band { background: linear-gradient(135deg, var(--color-plate), var(--color-steel)); border-top: 1px solid var(--color-border); }
.tpc-cta-band .tpc-wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem; }
.tpc-cta-band h2 { margin: 0; }
.tpc-cta-band p { margin: 0.5rem 0 0; max-width: 56ch; }

/* ── hub ──────────────────────────────────────────────────── */
.tpc-hub-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 360px), 1fr)); gap: 1.4rem; margin-top: 2rem; }
.tpc-game-card {
  display: grid; align-content: start; gap: 0.5rem; padding: 1.6rem; text-decoration: none;
  background: var(--color-steel); border: 1px solid var(--color-border); border-radius: var(--radius-lg, 8px);
  position: relative; transition: border-color 0.2s, transform 0.2s;
}
.tpc-game-card:hover { border-color: var(--color-blue-glow); transform: translateY(-2px); }
.tpc-game-card .tpc-tag { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.18em; color: var(--color-cyan); text-transform: uppercase; }
.tpc-game-card p { margin: 0; }
.tpc-game-card .tpc-go { margin-top: 0.8rem; font-family: var(--font-heading); font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-white); display: inline-flex; gap: 0.5rem; align-items: center; }
.tpc-game-card--soon { border-style: dashed; background: transparent; cursor: default; }
.tpc-game-card--soon:hover { border-color: var(--color-border); transform: none; }
.tpc-game-card--soon .tpc-tag { color: var(--color-chrome); }

/* ── pie ──────────────────────────────────────────────────── */
.tpc-footer { padding: 3rem 0 2rem; background: var(--color-forge); border-top: 1px solid var(--color-border); }
.tpc-footer .tpc-wrap { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 2rem; }
.tpc-footer h4 { font-family: var(--font-heading); font-size: 1.1rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-white); margin: 0 0 0.7rem; }
.tpc-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.35rem; font-size: 0.92rem; }
.tpc-footer a { text-decoration: none; color: var(--color-vapor); }
.tpc-footer a:hover { color: var(--color-white); }
.tpc-footer p { font-size: 0.92rem; margin: 0 0 0.6rem; }
.tpc-footer-bottom { grid-column: 1 / -1; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--color-border-soft); font-size: 0.8rem; color: var(--color-chrome); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem; }
@media (max-width: 860px) { .tpc-footer .tpc-wrap { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .tpc-footer .tpc-wrap { grid-template-columns: 1fr; } }

/* ── escenario del juego ──────────────────────────────────── */
.tpc-stage { position: fixed; inset: 0; z-index: 9999; background: var(--color-forge, #080c14); }
.tpc-stage[hidden] { display: none; }
.tpc-stage-loading {
  position: absolute; inset: 0; display: grid; place-items: center;
  font-family: var(--font-mono); letter-spacing: 0.24em; font-size: 0.85rem; color: var(--color-cyan);
}

/* ── fallback sin WebGL ───────────────────────────────────── */
.tpc-fallback {
  max-width: 640px; margin: 2rem auto; padding: 2rem; text-align: center;
  background: var(--color-steel); border: 1px solid var(--color-border); border-radius: var(--radius-lg, 8px);
}
.tpc-fallback h2 { font-size: 2rem; }
.tpc-fallback p { margin: 0.8rem 0 1.4rem; }

@media (prefers-reduced-motion: reduce) {
  .tpc-site *, .tpc-site *::before, .tpc-site *::after { transition-duration: 0.001ms !important; animation-duration: 0.001ms !important; }
  html { scroll-behavior: auto; }
}

.tpc-visual video { width: 100%; height: auto; display: block; border-radius: 6px; background: #080c14; aspect-ratio: 16 / 9; object-fit: cover; }
.tpc-visual--video { box-shadow: 0 30px 80px -30px rgba(30, 111, 255, 0.5); }