/* Landing de Trainer (S120 rediseño). Oscura por marca: el azul marino del ícono
   es el lienzo, el lima de la app es la acción y el violeta→cian es solo firma. */
:root {
  --navy: #05071a;
  --navy-2: #0b0f2a;
  --surface: #11152f;
  --line: rgba(255, 255, 255, 0.09);
  --ink: #f4f5fb;
  --muted: #a9adc4;
  --lime: #c1ef43;
  --lime-ink: #10120c;
  --violet: #a855f7;
  --cyan: #22e5ff;
  --brand: linear-gradient(120deg, var(--violet), var(--cyan));
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --radius: 22px;
  --maxw: 1180px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--navy);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, video { display: block; max-width: 100%; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

.skip { position: absolute; left: -999px; top: 8px; background: var(--lime); color: var(--lime-ink); padding: 8px 14px; border-radius: 999px; z-index: 100; }
.skip:focus { left: 16px; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* --- Navegación --------------------------------------------------------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(5, 7, 26, 0.72);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid var(--line);
}
.nav .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.01em; text-decoration: none; font-size: 18px; }
.brand img { width: 30px; height: 30px; border-radius: 8px; }
.nav-links { display: flex; gap: 22px; margin-left: auto; font-size: 15px; }
.nav-links a { color: var(--muted); text-decoration: none; transition: color 160ms var(--ease-out); }
.nav-links a:hover { color: var(--ink); }
.nav .btn { padding: 9px 16px; font-size: 14px; }
@media (max-width: 760px) { .nav-links { display: none; } .nav .btn { margin-left: auto; } }

/* --- Botones -------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 14px 26px; border-radius: 999px;
  background: var(--lime); color: var(--lime-ink);
  font-weight: 700; font-size: 17px; text-decoration: none; letter-spacing: -0.01em;
  box-shadow: 0 0 0 1px rgba(193, 239, 67, 0.4), 0 10px 40px -10px rgba(193, 239, 67, 0.55);
  transition: transform 160ms var(--ease-out), box-shadow 200ms var(--ease-out), background-color 160ms var(--ease-out);
  touch-action: manipulation;
}
.btn:active { transform: scale(0.97); }
.btn.ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1px var(--line); }
@media (hover: hover) and (pointer: fine) {
  .btn:hover { box-shadow: 0 0 0 1px rgba(193, 239, 67, 0.6), 0 14px 50px -8px rgba(193, 239, 67, 0.7); }
  .btn.ghost:hover { box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.3); }
}
.btn svg { width: 18px; height: 18px; }

/* --- Etiqueta de video generado con IA (siempre visible) ------------------ */
.ai-tag {
  position: absolute; z-index: 3; font-size: 11.5px; letter-spacing: 0.02em;
  color: #e9ebf7; background: rgba(5, 7, 26, 0.68); border: 1px solid var(--line);
  padding: 4px 10px; border-radius: 999px;
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}

/* --- Hero ----------------------------------------------------------------- */
.hero { position: relative; isolation: isolate; overflow: hidden; min-height: min(92vh, 860px); display: flex; align-items: center; padding: 72px 0 96px; }
.hero-bg { position: absolute; inset: 0; z-index: -2; }
.hero-bg video, .hero-bg img { width: 100%; height: 100%; object-fit: cover; object-position: 60% center; opacity: 0.8; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(60% 70% at 78% 40%, rgba(168, 85, 247, 0.22), transparent 70%),
    linear-gradient(90deg, rgba(5, 7, 26, 0.94) 0%, rgba(5, 7, 26, 0.6) 46%, rgba(5, 7, 26, 0.2) 100%),
    linear-gradient(0deg, var(--navy) 0%, transparent 30%);
}
.hero .ai-tag { left: 20px; bottom: 20px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); margin: 0 0 18px; }
.eyebrow::before { content: ""; width: 26px; height: 2px; border-radius: 2px; background: var(--brand); }
h1 { font-size: clamp(2.6rem, 1.4rem + 5vw, 5.2rem); line-height: 0.98; letter-spacing: -0.045em; margin: 0 0 22px; font-weight: 800; }
h1 .grad { background: var(--brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(1.06rem, 0.98rem + 0.4vw, 1.25rem); color: #cfd2e4; max-width: 34ch; margin: 0 0 30px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.fine { color: var(--muted); font-size: 14px; margin: 16px 0 0; max-width: 46ch; }
.fine strong { color: var(--ink); font-weight: 600; }

/* --- iPhone -------------------------------------------------------------- */
.phone {
  position: relative; justify-self: center; width: min(300px, 74vw); aspect-ratio: 9 / 19.2;
  border-radius: 46px; padding: 11px;
  background: linear-gradient(160deg, #2a2e45, #0b0d1c 55%, #20243a);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08), 0 40px 120px -20px rgba(34, 229, 255, 0.28), 0 30px 80px -30px rgba(168, 85, 247, 0.55);
}
.phone::after { content: ""; position: absolute; top: 20px; left: 50%; transform: translateX(-50%); width: 92px; height: 26px; border-radius: 20px; background: #000; z-index: 4; }
.screen { position: relative; width: 100%; height: 100%; border-radius: 36px; overflow: hidden; background: #000; }
.screen video, .screen img { width: 100%; height: 100%; object-fit: cover; }
.hud { position: absolute; left: 12px; right: 12px; z-index: 3; display: flex; justify-content: space-between; align-items: center; font-size: 12px; font-weight: 600; }
.hud.top { top: 58px; }
.hud.bottom { bottom: 16px; flex-direction: column; align-items: stretch; gap: 8px; }
.chip { background: rgba(10, 12, 20, 0.72); border: 1px solid rgba(255, 255, 255, 0.12); padding: 6px 10px; border-radius: 999px; -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.chip.live::before { content: ""; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: #ff5a3c; margin-right: 6px; vertical-align: 1px; }
.reps { background: var(--lime); color: var(--lime-ink); border-color: transparent; }
.bubble { background: rgba(10, 12, 20, 0.8); border: 1px solid rgba(193, 239, 67, 0.35); border-radius: 16px; padding: 10px 12px; font-weight: 500; line-height: 1.35; }
.bubble b { color: var(--lime); font-weight: 700; display: block; font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 2px; }
.phone-caption { text-align: center; color: var(--muted); font-size: 12.5px; margin-top: 14px; }

/* --- Secciones ------------------------------------------------------------ */
section { padding: 112px 0; }
.kicker { font-size: 13px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--lime); margin: 0 0 14px; }
h2 { font-size: clamp(2rem, 1.3rem + 2.8vw, 3.4rem); line-height: 1.04; letter-spacing: -0.035em; margin: 0 0 18px; font-weight: 800; max-width: 18ch; }
.sub { color: var(--muted); font-size: 1.12rem; max-width: 52ch; margin: 0; }

.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 56px; }
.card { background: linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.015)); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.card .ico { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: rgba(193, 239, 67, 0.1); color: var(--lime); margin-bottom: 22px; }
.card .ico svg { width: 22px; height: 22px; }
.card h3 { margin: 0 0 8px; font-size: 1.25rem; letter-spacing: -0.02em; }
.card p { margin: 0; color: var(--muted); font-size: 0.98rem; }
.step-n { font-variant-numeric: tabular-nums; color: var(--muted); font-size: 13px; font-weight: 600; letter-spacing: 0.08em; }

/* Banda de cine con el teléfono que observa */
.film { position: relative; border-radius: 28px; overflow: hidden; border: 1px solid var(--line); aspect-ratio: 16 / 8; margin-top: 64px; background: var(--navy-2); }
.film video, .film img { width: 100%; height: 100%; object-fit: cover; }
.film .ai-tag { right: 16px; top: 16px; }
.film-quote { position: absolute; left: 28px; bottom: 26px; right: 28px; z-index: 2; font-size: clamp(1.2rem, 0.9rem + 1.4vw, 2rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; max-width: 22ch; text-shadow: 0 2px 30px rgba(0, 0, 0, 0.6); }
.film::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(5, 7, 26, 0.85), transparent 55%); }

/* Split: plan + puntos */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.shot { justify-self: center; width: min(320px, 78vw); border-radius: 34px; overflow: hidden; border: 1px solid var(--line); box-shadow: 0 40px 100px -30px rgba(0, 0, 0, 0.8), 0 0 0 10px rgba(255, 255, 255, 0.03); }
.list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 14px; }
.list li { display: flex; gap: 12px; align-items: flex-start; color: #d6d9ea; }
.list svg { flex: none; width: 20px; height: 20px; color: var(--lime); margin-top: 3px; }

.points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 40px; }
.stat { border-radius: var(--radius); padding: 26px; border: 1px solid var(--line); background: var(--surface); }
.stat .big { font-size: 2.6rem; font-weight: 800; letter-spacing: -0.04em; line-height: 1; font-variant-numeric: tabular-nums; }
.stat .big.ok { color: var(--lime); }
.stat .big.no { color: #ff7a5c; }
.stat p { margin: 10px 0 0; color: var(--muted); font-size: 0.95rem; }

/* Privacidad */
.trust { background: linear-gradient(180deg, var(--navy-2), var(--navy)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 48px; }
.trust .card h3 { display: flex; align-items: center; gap: 10px; }
.trust .card h3 svg { width: 20px; height: 20px; color: var(--cyan); flex: none; }
.textlink { color: var(--ink); font-weight: 600; text-decoration: none; border-bottom: 1px solid rgba(255, 255, 255, 0.3); transition: border-color 160ms var(--ease-out); }
.textlink:hover { border-color: var(--lime); }

/* FAQ */
.faq { max-width: 820px; }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; list-style: none; padding: 22px 0; font-size: 1.12rem; font-weight: 600; display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; flex: none; width: 12px; height: 12px; border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: rotate(45deg) translateY(-3px); transition: transform 200ms var(--ease-out); }
.faq details[open] summary::after { transform: rotate(-135deg) translateY(-3px); }
.faq details p { margin: 0 0 22px; color: var(--muted); max-width: 62ch; }

/* Cierre */
.close { position: relative; isolation: isolate; overflow: hidden; text-align: center; padding: 140px 0; }
.close-bg { position: absolute; inset: 0; z-index: -2; }
.close-bg video, .close-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.85; }
.close::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(42% 55% at 50% 55%, rgba(5, 7, 26, 0.78), rgba(5, 7, 26, 0.35) 70%), linear-gradient(180deg, var(--navy) 0%, transparent 22%, transparent 78%, var(--navy) 100%); }
.close .ai-tag { right: 20px; bottom: 20px; }
.close-icon { width: 96px; height: 96px; border-radius: 24px; margin: 0 auto 30px; box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08), 0 20px 80px -10px rgba(168, 85, 247, 0.6); }
.close h2 { margin-left: auto; margin-right: auto; }
.close .sub { margin: 0 auto 34px; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 40px 0 56px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 14px 28px; align-items: center; }
footer nav { display: flex; flex-wrap: wrap; gap: 20px; margin-left: auto; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--ink); }

/* Responsive */
@media (max-width: 960px) {
  .hero-grid, .split { grid-template-columns: 1fr; gap: 56px; }
  .hero { padding-top: 48px; }
  .pillars, .trust-grid { grid-template-columns: 1fr; }
  .split .shot { order: 2; }
  section { padding: 84px 0; }
  .film { aspect-ratio: 4 / 5; }
}
@media (max-width: 480px) {
  .points { grid-template-columns: 1fr; }
  .cta-row .btn { width: 100%; }
}

/* Entradas suaves (solo si el navegador soporta animaciones ligadas al scroll) */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .reveal { animation: reveal linear both; animation-timeline: view(); animation-range: entry 0% entry 40%; }
  }
}
@keyframes reveal { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: no-preference) {
  .hero .rise { animation: rise 700ms var(--ease-out) both; }
  .hero .rise:nth-child(2) { animation-delay: 60ms; }
  .hero .rise:nth-child(3) { animation-delay: 120ms; }
  .hero .rise:nth-child(4) { animation-delay: 180ms; }
  .hero .rise:nth-child(5) { animation-delay: 240ms; }
}
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

.phone-fig { margin: 0; }
.phone-caption.left { text-align: left; }
.trust .more { margin-top: 32px; }
.fine.centered { margin-left: auto; margin-right: auto; }
.shot-fig { margin: 0; justify-self: center; }
@media (max-width: 960px) { .split .shot-fig { order: 2; } }

.motion-toggle {
  position: absolute; right: 20px; bottom: 20px; z-index: 3; cursor: pointer;
  font: inherit; font-size: 12.5px; color: #e9ebf7; background: rgba(5, 7, 26, 0.68);
  border: 1px solid var(--line); border-radius: 999px; padding: 8px 14px; min-height: 36px;
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  transition: transform 160ms var(--ease-out);
}
.motion-toggle:active { transform: scale(0.97); }