/* ───────────── TOKENS ───────────── */
:root {
  --navy: #0f1533;
  --navy-2: #1b2552;
  --navy-3: #26336e;
  --paper: #f2ede1;
  --paper-2: #e7e0cf;
  --ink: #0b0b10;
  --brown: #6b4a2e;
  --tie: #4a1c17;
  --blue: #2f5bd8;
  --blue-hi: #4f7dff;
  --gold: #e0b64a;
  --pink: #ff2e88;
  --violet: #7b3cff;
  --rule: rgba(47, 91, 216, 0.11);

  --f-display: 'Anton', 'Impact', sans-serif;
  --f-body: 'Archivo', system-ui, sans-serif;
  --f-hand: 'Caveat', cursive;
  --f-varsity: 'Graduate', Georgia, serif;

  --t-hero: clamp(4.5rem, 1rem + 17vw, 17rem);
  --t-display: clamp(2.6rem, 1.2rem + 5.2vw, 6.4rem);
  --t-lead: clamp(1.08rem, 0.95rem + 0.5vw, 1.35rem);
  --space-section: clamp(5rem, 3rem + 7vw, 10rem);
  --gutter: clamp(16px, 4vw, 56px);
  --ease-snap: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-kick: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* variables vivas controladas por BeatEngine */
  --pulse: 0;
  --bass: 0;
  --hit: 0;
  --energy: 0;
  --beat-ms: 488ms;

  --tie-stripes: repeating-linear-gradient(-40deg, var(--tie) 0 26px, var(--blue) 26px 34px, var(--tie) 34px 38px, var(--gold) 38px 41px, var(--tie) 41px 60px);
}

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

html { scroll-behavior: auto; -webkit-text-size-adjust: 100%; overflow-x: clip; }
body {
  margin: 0;
  background: var(--navy);
  color: var(--paper);
  font-family: var(--f-body);
  font-size: 1rem;
  line-height: 1.6;
  overflow-x: clip;
}
body.is-locked { overflow: hidden; }
img, video, canvas, svg { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

/* grano de película */
body::after {
  content: '';
  position: fixed;
  inset: -50%;
  pointer-events: none;
  z-index: 90;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 0.6s steps(4) infinite;
}
@keyframes grain {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-3%, 2%); }
  50% { transform: translate(2%, -3%); }
  75% { transform: translate(-1%, 3%); }
}

.wrap { width: min(1280px, 100%); margin-inline: auto; padding-inline: var(--gutter); }

/* ───────────── TIPOGRAFÍA ───────────── */
.display {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: var(--t-display);
  line-height: 1;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  margin: 0.2em 0 0.4em;
  text-wrap: balance;
  color: var(--navy);
}
.display--light { color: var(--paper); }
.label {
  font-family: var(--f-varsity);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--tie);
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.label::before { content: ''; width: 2.4em; height: 3px; background: var(--tie-stripes); }
.label--light { color: var(--gold); }
.lead { font-size: var(--t-lead); line-height: 1.5; max-width: 38ch; }
.lead--narrow { max-width: 56ch; }
.lead--light { color: rgba(242, 237, 225, 0.85); }
.hl {
  color: var(--paper);
  background: var(--tie);
  padding: 0 0.1em;
  line-height: 1.12;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  display: inline;
  box-shadow: 0.08em 0.08em 0 var(--gold);
}
.hl--blue { background: var(--blue); box-shadow: 0.08em 0.08em 0 var(--paper); }
.hl--pink { background: var(--pink); box-shadow: 0.08em 0.08em 0 var(--gold); }
.note { font-family: var(--f-hand); font-size: 1.9rem; color: var(--blue); transform: rotate(-2deg); margin: 0.4em 0 0; }
.neon {
  color: #fff;
  text-shadow: 0 0 0.08em #fff, 0 0 0.25em var(--pink), 0 0 0.6em var(--pink), 0 0 calc(0.6em + var(--pulse) * 0.8em) var(--violet);
}

/* ───────────── BOTONES ───────────── */
.btn {
  --bg: var(--paper);
  --fg: var(--navy);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.9em 1.5em;
  border: 2px solid var(--ink);
  border-radius: 4px;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--f-body);
  font-weight: 900;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform 160ms var(--ease-snap), box-shadow 160ms var(--ease-snap), background 160ms;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--ink); }
.btn:active { transform: translate(3px, 3px); box-shadow: 1px 1px 0 var(--ink); }
.btn--gold { --bg: var(--gold); --fg: var(--ink); }
.btn--dark { --bg: var(--navy); --fg: var(--paper); box-shadow: 4px 4px 0 var(--gold); }
.btn--dark:hover { box-shadow: 6px 6px 0 var(--gold); }
.btn--ghost { --bg: transparent; --fg: var(--paper); border-color: currentColor; box-shadow: none; }
.btn--ghost:hover { box-shadow: 4px 4px 0 var(--gold); }
.btn--sm { padding: 0.55em 1em; font-size: 0.8rem; box-shadow: 3px 3px 0 var(--ink); }
.btn--xl { font-size: 1.1rem; padding: 1.1em 2em; }

/* ───────────── PUERTA ───────────── */
.gate {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  background: radial-gradient(ellipse at 50% 40%, var(--navy-3), var(--navy) 60%, #05070f);
  text-align: center;
  padding: var(--gutter);
  transition: clip-path 700ms var(--ease-snap);
  clip-path: inset(0 0 0 0);
}
.gate.is-out { clip-path: inset(0 0 100% 0); pointer-events: none; }
.gate__stripes {
  position: absolute;
  inset: auto -10% -30% -10%;
  height: 46%;
  background: var(--tie-stripes);
  transform: skewY(-6deg) translateY(calc(var(--pulse) * -8px));
  opacity: 0.9;
}
.gate__inner { position: relative; max-width: 900px; }
.gate__crest { margin: 0 auto 1rem; width: 96px; height: auto; transform: scale(calc(1 + var(--pulse) * 0.08)); filter: drop-shadow(0 10px 30px rgba(0,0,0,.5)); }
.gate__kicker { font-family: var(--f-varsity); letter-spacing: 0.2em; font-size: 0.8rem; color: var(--gold); text-transform: uppercase; margin: 0; }
.gate__title {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: clamp(3.6rem, 1rem + 13vw, 11rem);
  line-height: 0.85;
  margin: 0.15em 0;
  letter-spacing: -0.01em;
}
.gate__title span { color: var(--gold); font-size: 0.45em; vertical-align: top; }
.gate__sub { font-size: 1.1rem; margin: 0 0 2rem; color: rgba(242,237,225,.85); }
.gate__actions { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }
.btn--bell { --bg: var(--gold); --fg: var(--ink); font-size: 1.15rem; padding: 1em 1.8em; flex-direction: row; }
.btn--bell small { display: block; font-size: 0.65em; font-weight: 500; opacity: 0.75; text-transform: none; letter-spacing: 0; }
.bell { display: inline-block; animation: ring 1.2s var(--ease-kick) infinite; transform-origin: 50% 10%; }
@keyframes ring { 0%, 60%, 100% { transform: rotate(0); } 10% { transform: rotate(18deg); } 25% { transform: rotate(-16deg); } 40% { transform: rotate(8deg); } }
.gate__hint { font-family: var(--f-hand); font-size: 1.5rem; color: var(--gold); margin-top: 1.5rem; display: inline-block; padding: 0 0.6em; background: var(--navy); }

/* ───────────── CORTINILLA + FLASH ───────────── */
.wipe { position: fixed; inset: 0; z-index: 95; pointer-events: none; display: grid; grid-template-columns: repeat(6, 1fr); }
.wipe i {
  background: var(--tie-stripes);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform calc(var(--beat-ms) * 0.5) var(--ease-snap);
  transition-delay: calc(var(--i, 0) * 30ms);
}
.wipe i:nth-child(even) { transform-origin: bottom; background: var(--navy-2); }
.wipe i:nth-child(1) { --i: 0; } .wipe i:nth-child(2) { --i: 1; } .wipe i:nth-child(3) { --i: 2; }
.wipe i:nth-child(4) { --i: 3; } .wipe i:nth-child(5) { --i: 4; } .wipe i:nth-child(6) { --i: 5; }
.wipe.is-in i { transform: scaleY(1); }
.wipe.is-out i { transform-origin: bottom; }
.wipe.is-out i:nth-child(even) { transform-origin: top; }
.flash { position: fixed; inset: 0; z-index: 89; pointer-events: none; background: #fff; opacity: calc(var(--hit) * 0.06); mix-blend-mode: overlay; }

/* ───────────── TOPBAR ───────────── */
.topbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem var(--gutter);
  transition: background 300ms, transform 400ms var(--ease-snap);
}
.topbar.is-solid { background: rgba(15, 21, 51, 0.86); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); box-shadow: 0 1px 0 rgba(224,182,74,.25); }
.topbar__brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; font-family: var(--f-display); font-size: 1.35rem; letter-spacing: 0.02em; }
.topbar__brand img { transform: rotate(calc(var(--pulse) * -8deg)); transition: transform 80ms; }
.topbar__nav { display: flex; gap: clamp(0.8rem, 1.8vw, 2rem); }
.topbar__nav a {
  text-decoration: none;
  font-weight: 700;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  position: relative;
  padding: 0.3em 0;
}
.topbar__nav a::after { content: ''; position: absolute; left: 0; right: 0; bottom: -2px; height: 3px; background: var(--tie-stripes); transform: scaleX(0); transform-origin: left; transition: transform 250ms var(--ease-snap); }
.topbar__nav a:hover::after, .topbar__nav a.is-current::after { transform: scaleX(1); }
.topbar__right { display: flex; align-items: center; gap: 0.8rem; }
.sound {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(242,237,225,.08);
  color: var(--paper);
  border: 1px solid rgba(242,237,225,.3);
  border-radius: 99px;
  padding: 0.45rem 0.9rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.sound.is-nudge[aria-pressed='false'] { animation: nudge 0.9s ease-in-out infinite; border-color: var(--gold); color: var(--gold); }
@keyframes nudge { 50% { transform: scale(1.12); box-shadow: 0 0 0 6px rgba(224,182,74,.3); } }
.sound[aria-pressed='true'] { border-color: var(--gold); color: var(--gold); }
.eq { display: inline-flex; align-items: flex-end; gap: 2px; height: 14px; }
.eq i { width: 3px; height: 100%; background: currentColor; transform-origin: bottom; transform: scaleY(var(--lv, 0.2)); transition: transform 60ms linear; }
.burger { display: none; width: 42px; height: 42px; border: 0; background: transparent; position: relative; color: var(--paper); }
.burger span { position: absolute; left: 9px; right: 9px; height: 3px; background: currentColor; transition: transform 250ms var(--ease-snap); }
.burger span:first-child { top: 15px; }
.burger span:last-child { top: 24px; }
.burger[aria-expanded='true'] span:first-child { transform: translateY(4.5px) rotate(45deg); }
.burger[aria-expanded='true'] span:last-child { transform: translateY(-4.5px) rotate(-45deg); }
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 55;
  background: var(--navy);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5rem var(--gutter) 2rem;
  gap: 0.2rem;
}
.mobile-nav[hidden] { display: none; }
.mobile-nav a { font-family: var(--f-display); font-size: clamp(2.2rem, 10vw, 3.6rem); text-decoration: none; text-transform: uppercase; line-height: 1.1; }
.mobile-nav a:nth-child(odd) { color: var(--gold); }

.topbar__brand, .topbar__nav a { white-space: nowrap; }
@media (max-width: 1180px) { .topbar__nav { gap: 0.9rem; } .topbar__nav a { font-size: 0.74rem; letter-spacing: 0.05em; } .topbar__brand { font-size: 1.15rem; } .sound__label { display: none; } }
@media (max-width: 960px) {
  .topbar__nav, .sound__label { display: none; }
  .burger { display: block; }
}
@media (max-width: 420px) {
  .topbar__brand span { display: none; }
}

/* ───────────── REVEAL CUANTIZADO AL BEAT ───────────── */
[data-reveal] > * {
  opacity: 0;
  transform: translateY(40px) rotate(var(--r, 0deg)) scale(0.96);
  transition:
    opacity calc(var(--beat-ms) * 1) var(--ease-snap),
    transform calc(var(--beat-ms) * 1.5) var(--ease-kick);
  transition-delay: calc(var(--beat-ms) * var(--step, 0) * 0.5);
}
[data-reveal].is-in > * { opacity: 1; transform: translateY(0) rotate(var(--r, 0deg)) scale(1); }
[data-reveal]:not(.is-in) { pointer-events: none; }
[data-reveal].is-settled > * { transition-delay: 0s; transition-duration: 300ms; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
  [data-reveal] > * { opacity: 1; transform: none; }
  body::after { display: none; }
}