/* style.css — Página de SETH · mobile-first · variables CSS · sin frameworks */

:root {
  --bg: #0a0a0b;
  --bg-alt: #101012;
  --surface: #151518;
  --line: rgba(255, 255, 255, 0.09);
  --text: #f3f1ee;
  --muted: #a8a4a0;
  --red: #d4121f;
  --red-hot: #ff2a38;
  --gold: #d4af37;

  --font-display: "Bebas Neue", Impact, "Arial Narrow", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* escalas fluidas */
  --fs-hero: clamp(5.5rem, 28vw, 15rem);
  --fs-h2: clamp(2.1rem, 8vw, 4rem);
  --fs-lead: clamp(1.08rem, 3.6vw, 1.4rem);
  --fs-body: clamp(1rem, 3.2vw, 1.12rem);
  --fs-small: 0.82rem;

  /* aire generoso */
  --space-section: clamp(5rem, 16vw, 9rem);
  --gutter: clamp(1.25rem, 6vw, 3rem);

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --radius: 14px;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.is-locked { overflow: hidden; }

img { display: block; max-width: 100%; }
a { color: inherit; }

.wrap { width: 100%; max-width: 1100px; margin-inline: auto; padding-inline: var(--gutter); }
.wrap--narrow { max-width: 720px; }

/* ---------- Tipografía ---------- */
.eyebrow {
  margin: 0 0 1rem;
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
}

.h2 {
  margin: 0 0 1.5rem;
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.lead { margin: 0 0 1.5rem; font-size: var(--fs-lead); line-height: 1.55; color: var(--text); }
.body { margin: 0 0 1.2rem; color: var(--muted); }
.note { margin: 2rem 0 0; padding-top: 1.2rem; border-top: 1px solid var(--line); font-size: var(--fs-small); letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.9rem 1.8rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.6s var(--ease), background-color 0.4s var(--ease), box-shadow 0.6s var(--ease), border-color 0.4s var(--ease);
  -webkit-tap-highlight-color: transparent;
}

.btn--primary {
  background: linear-gradient(135deg, var(--red-hot), var(--red));
  color: #fff;
  box-shadow: 0 10px 30px -10px rgba(255, 42, 56, 0.65);
}
.btn--primary:active { transform: scale(0.97); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn--ghost:active { transform: scale(0.97); }
.btn--lg { min-height: 58px; padding-inline: 2.2rem; font-size: 1rem; }

@media (hover: hover) {
  .btn--primary:hover { transform: translateY(-3px); box-shadow: 0 16px 38px -10px rgba(255, 42, 56, 0.8); }
  .btn--ghost:hover { border-color: var(--gold); }
}

/* ---------- Verificación de edad ---------- */
.gate {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: var(--gutter);
  background: rgba(6, 6, 7, 0.94);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  transition: opacity 0.8s var(--ease), visibility 0.8s;
}
.gate.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.gate__card {
  width: 100%;
  max-width: 420px;
  padding: clamp(2rem, 8vw, 3rem) clamp(1.5rem, 6vw, 2.5rem);
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.9);
  animation: rise 1s var(--ease) both;
}
.gate__brand { margin: 0; font-family: var(--font-display); font-size: 3.4rem; line-height: 1; letter-spacing: 0.08em; color: var(--red-hot); }
.gate__title { margin: 0.4rem 0 1rem; font-family: var(--font-display); font-size: 2rem; font-weight: 400; letter-spacing: 0.04em; text-transform: uppercase; }
.gate__text { margin: 0 0 2rem; color: var(--muted); font-size: 0.98rem; }
.gate__actions { display: grid; gap: 0.8rem; }

@keyframes rise { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }

/* ---------- Portada ---------- */
.hero {
  position: relative;
  display: grid;
  align-items: end;
  min-height: 100svh;
  padding: 0 0 clamp(5rem, 14vh, 8rem);
  overflow: hidden;
  isolation: isolate;
}

.hero__bg { position: absolute; inset: 0; z-index: -1; background: #050506; }

.hero__img {
  position: absolute;
  inset: -6%;
  background-size: cover;
  background-position: center 20%;
  filter: blur(7px) saturate(1.05) brightness(0.8);
  opacity: 0;
  transform: scale(1.08);
  transition: opacity 2.2s ease-in-out;
  will-change: opacity, transform;
}
.hero__img.is-on { opacity: 1; }

.hero__fog {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 70% at 50% 100%, rgba(10, 10, 11, 0.98) 8%, rgba(10, 10, 11, 0.55) 55%, rgba(10, 10, 11, 0.15) 100%),
    linear-gradient(to bottom, rgba(10, 10, 11, 0.55), rgba(10, 10, 11, 0) 35%),
    radial-gradient(80% 50% at 50% 35%, rgba(212, 18, 31, 0.18), transparent 70%);
}

.hero__content { width: 100%; max-width: 1100px; margin-inline: auto; padding-inline: var(--gutter); }

.hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  font-weight: 400;
  line-height: 0.85;
  letter-spacing: 0.04em;
  text-shadow: 0 6px 40px rgba(0, 0, 0, 0.6);
}

.hero__lead { margin: 1.2rem 0 2rem; max-width: 30ch; font-size: var(--fs-lead); line-height: 1.45; color: #e9e5e1; }

.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 1.6rem;
  width: 26px;
  height: 42px;
  margin-left: -13px;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  border-radius: 14px;
}
.hero__scroll span {
  position: absolute;
  left: 50%;
  top: 8px;
  width: 3px;
  height: 8px;
  margin-left: -1.5px;
  background: #fff;
  border-radius: 2px;
  animation: nudge 2.2s var(--ease) infinite;
}
@keyframes nudge { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(14px); } }

/* ---------- Secciones ---------- */
.section { padding-block: var(--space-section); }
.section--alt { background: var(--bg-alt); border-block: 1px solid var(--line); }

/* Qué incluye */
.features { display: grid; gap: 0; margin: 2.5rem 0 0; padding: 0; list-style: none; }
.feature { display: flex; align-items: baseline; gap: 1.2rem; padding: 1.4rem 0; border-top: 1px solid var(--line); }
.feature:last-child { border-bottom: 1px solid var(--line); }
.feature__n { font-family: var(--font-display); font-size: 1.5rem; letter-spacing: 0.06em; color: var(--red-hot); }
.feature p { margin: 0; font-size: var(--fs-lead); }

/* Cómo funciona */
.steps { display: grid; gap: 1.2rem; margin: 2.5rem 0 0; padding: 0; list-style: none; }
.step { display: flex; gap: 1.2rem; align-items: flex-start; padding: 1.5rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
.step__n { display: grid; place-items: center; flex: none; width: 46px; height: 46px; font-family: var(--font-display); font-size: 1.7rem; line-height: 1; color: #fff; background: linear-gradient(135deg, var(--red-hot), var(--red)); border-radius: 50%; }
.step h3 { margin: 0 0 0.25rem; font-size: 1.12rem; }
.step p { margin: 0; color: var(--muted); font-size: 0.98rem; }

/* Planes */
.plans { display: grid; gap: 1.2rem; margin-top: 2.5rem; }
.plan {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  padding: clamp(1.6rem, 6vw, 2.2rem);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 20px;
}
.plan--top { border-color: rgba(212, 175, 55, 0.55); background: linear-gradient(160deg, #1b1710, var(--surface) 55%); }
.plan__tag {
  position: absolute;
  top: -0.8rem;
  left: 1.6rem;
  padding: 0.25rem 0.8rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #1a1405;
  background: var(--gold);
  border-radius: 999px;
}
.plan__name { margin: 0; font-family: var(--font-display); font-size: 2.2rem; font-weight: 400; letter-spacing: 0.04em; text-transform: uppercase; }
.plan__price { margin: 0; font-family: var(--font-display); font-size: 2.4rem; line-height: 1; color: var(--gold); }
.plan__price small { font-family: var(--font-body); font-size: 0.9rem; color: var(--muted); }
.plan__note { margin: 0; color: var(--muted); font-size: 0.95rem; }
.plan__list { display: grid; gap: 0.7rem; margin: 0; padding: 0; list-style: none; }
.plan__list li { position: relative; padding-left: 1.5rem; }
.plan__list li::before { content: ""; position: absolute; left: 0; top: 0.6em; width: 8px; height: 8px; background: var(--red-hot); border-radius: 50%; }
.plan .btn { margin-top: auto; }

/* Selector de duración */
.toggle {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.3rem;
  max-width: 460px;
  margin: 2.2rem 0 0;
  padding: 0.3rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.toggle__btn {
  min-height: 44px;
  padding: 0.5rem 0.4rem;
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: background-color 0.5s var(--ease), color 0.5s var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.toggle__btn.is-on { color: #fff; background: linear-gradient(135deg, var(--red-hot), var(--red)); }
.plans { margin-top: 1.4rem; }
.plan__save { margin: -0.6rem 0 0; font-size: 0.85rem; font-weight: 600; color: var(--gold); }
.plan__save[hidden] { display: none; }

/* Galería: cintillo que corre solo */
.section--flush { overflow: hidden; }

.marquee {
  display: grid;
  gap: 0.8rem;
  margin-top: 3rem;
  -webkit-mask-image: linear-gradient(to right, transparent, #000 9%, #000 91%, transparent);
  mask-image: linear-gradient(to right, transparent, #000 9%, #000 91%, transparent);
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
}

.marquee__row { overflow: hidden; }

.marquee__track {
  display: flex;
  gap: 0.8rem;
  width: max-content;
  animation: marquee var(--dur, 60s) linear infinite;
  will-change: transform;
}
.marquee__row.is-reverse .marquee__track { animation-direction: reverse; }

/* Tamaño fijo por foto: el cintillo no salta cuando cargan las imágenes */
.marquee__item {
  flex: none;
  height: clamp(210px, 62vw, 380px);
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--surface);
  border-radius: 12px;
}
.marquee__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.1s var(--ease);
}
.marquee__item.is-loaded img { opacity: 1; }
.marquee__item.is-failed { visibility: hidden; }

@keyframes marquee {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(calc(-50% - 0.4rem), 0, 0); }
}

@media (min-width: 720px) {
  .marquee { gap: 1rem; }
  .marquee__track { gap: 1rem; }
  @keyframes marquee {
    from { transform: translate3d(0, 0, 0); }
    to { transform: translate3d(calc(-50% - 0.5rem), 0, 0); }
  }
}

/* Cierre */
.final { text-align: center; background: radial-gradient(70% 60% at 50% 100%, rgba(212, 18, 31, 0.16), transparent 70%), var(--bg); }
.final__inner .h2 { margin-bottom: 1rem; }
.final__help { margin: 2rem 0 0; color: var(--muted); font-size: 0.95rem; }
.final__help a { color: var(--text); text-underline-offset: 4px; }

/* Pie */
.footer { padding: 2.5rem var(--gutter) calc(6rem + env(safe-area-inset-bottom)); text-align: center; border-top: 1px solid var(--line); color: var(--muted); font-size: var(--fs-small); }
.footer p { margin: 0; }

/* Barra fija */
.dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 50;
  padding: 0.8rem var(--gutter) calc(0.8rem + env(safe-area-inset-bottom));
  background: linear-gradient(to top, rgba(10, 10, 11, 0.96) 40%, rgba(10, 10, 11, 0));
  transform: translateY(110%);
  transition: transform 0.9s var(--ease);
  pointer-events: none;
}
.dock .btn { width: 100%; pointer-events: auto; }
.dock.is-visible { transform: none; }

/* ---------- Animaciones de entrada (stagger) ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1.1s var(--ease), transform 1.1s var(--ease);
  transition-delay: calc(var(--i, 0) * 110ms);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: none; }

/* ---------- Pantallas grandes ---------- */
@media (min-width: 720px) {
  .steps { grid-template-columns: repeat(3, 1fr); }
  .step { flex-direction: column; }
  .dock { display: none; }
  .footer { padding-bottom: 2.5rem; }
}

/* ---------- Tres planes en pantallas anchas ---------- */
@media (min-width: 1000px) {
  .plans { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Menos movimiento ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; transition-delay: 0ms !important; }
  .reveal { opacity: 1; transform: none; }
  .marquee__track { animation: none !important; }
  .marquee__row { overflow-x: auto; }
}