/* ═══════════════════════════════════════════════════════════
   PRISMA — Un descenso a través del espectro
   Estética: vibrante & bold · negro con tinte + espectro neón
   ═══════════════════════════════════════════════════════════ */

:root {
  /* Base */
  --bg:        #07060B;
  --bg-2:      #0C0A14;
  --ink:       #F5F2FF;
  --muted:     rgba(245, 242, 255, 0.55);
  --line:      rgba(245, 242, 255, 0.12);

  /* Espectro (vibrante & bold) */
  --magenta:   #FF2E88;
  --orange:    #FF6A1A;
  --yellow:    #FFC400;
  --lime:      #B6FF1A;
  --cyan:      #1FE0FF;
  --violet:    #9B5CFF;

  /* Acento UI (muta vía JS con el scroll) */
  --accent:    var(--cyan);

  /* Tipografía */
  --display: "Clash Display", "Arial Black", sans-serif;
  --body:    "General Sans", system-ui, sans-serif;
  --mono:    "Space Mono", ui-monospace, monospace;

  /* Motion */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-io:  cubic-bezier(0.65, 0.05, 0.36, 1);
}

/* ── Lenis (smooth scroll) ── */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: hidden; }

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; overflow-x: hidden; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  font-size: clamp(1rem, 0.9rem + 0.4vw, 1.18rem);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Oculta el scroll hasta que el preloader termina (lo gestiona JS) */
body.is-loading { overflow: hidden; height: 100vh; }

::selection { background: var(--magenta); color: #fff; }

a { color: inherit; text-decoration: none; }
em { font-style: normal; color: var(--accent); }

h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 0.95; letter-spacing: -0.02em; }

/* ═══════════ PRELOADER ═══════════ */
#preloader {
  position: fixed; inset: 0; z-index: 1000;
  background: var(--bg);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2.2rem;
}
.pre-inner { display: flex; align-items: flex-end; gap: 0.15rem; font-family: var(--display); font-weight: 800; }
.pre-count { font-size: clamp(4rem, 18vw, 13rem); line-height: 0.8; letter-spacing: -0.04em; }
.pre-unit  { font-size: clamp(1.2rem, 4vw, 2.4rem); color: var(--muted); margin-bottom: 0.6rem; }
.pre-label {
  position: absolute; top: 12%; left: 50%; transform: translateX(-50%);
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.4em; text-transform: uppercase; color: var(--muted);
  white-space: nowrap;
}
.pre-bar { width: min(70vw, 420px); height: 2px; background: var(--line); overflow: hidden; }
.pre-bar-fill { display: block; width: 0%; height: 100%; background: linear-gradient(90deg, var(--magenta), var(--cyan)); }

/* ═══════════ CURSOR ═══════════ */
.cursor-ring, .cursor-dot { position: fixed; top: 0; left: 0; z-index: 999; pointer-events: none; border-radius: 50%; mix-blend-mode: difference; will-change: transform; }
.cursor-ring { width: 38px; height: 38px; border: 1.5px solid #fff; margin: -19px 0 0 -19px; transition: width .25s var(--ease-out), height .25s var(--ease-out), margin .25s var(--ease-out), background .25s; }
.cursor-dot  { width: 6px; height: 6px; background: #fff; margin: -3px 0 0 -3px; }
.cursor-ring.is-hover { width: 76px; height: 76px; margin: -38px 0 0 -38px; background: rgba(255,255,255,0.1); }
body.has-cursor, body.has-cursor * { cursor: none; }

/* ═══════════ BARRA DE PROGRESO ═══════════ */
.scroll-progress { position: fixed; top: 0; left: 0; width: 100%; height: 3px; z-index: 200; background: transparent; }
.scroll-progress span { display: block; height: 100%; width: 0%; background: linear-gradient(90deg, var(--magenta), var(--orange), var(--yellow), var(--lime), var(--cyan), var(--violet)); }

/* ═══════════ CANVAS FONDO ═══════════ */
#fx { position: fixed; inset: 0; z-index: 0; width: 100%; height: 100%; pointer-events: none; }

/* ═══════════ NAV ═══════════ */
.nav {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: clamp(1rem, 2.2vw, 1.8rem) clamp(1.2rem, 4vw, 3rem);
  mix-blend-mode: difference;
}
.brand { font-family: var(--display); font-weight: 800; font-size: 1.15rem; letter-spacing: 0.02em; display: inline-flex; align-items: center; gap: 0.35rem; }
.brand-dot { font-size: 0.6rem; color: var(--accent); animation: blink 2.4s steps(1) infinite; }
@keyframes blink { 0%,60%{opacity:1} 61%,100%{opacity:0.25} }
.nav-links { display: flex; gap: clamp(1rem, 2.5vw, 2.2rem); font-family: var(--mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.12em; }
.nav-links a { position: relative; }
.nav-links a::after { content: ""; position: absolute; left: 0; bottom: -4px; width: 0; height: 1px; background: currentColor; transition: width .4s var(--ease-out); }
.nav-links a:hover::after { width: 100%; }
.nav-coord { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.1em; color: var(--ink); }
@media (max-width: 640px) { .nav-links, .nav-coord { display: none; } }

/* ═══════════ HELPERS ═══════════ */
section { position: relative; z-index: 1; }
.reveal { will-change: transform, opacity; }

/* ═══════════ 1 · HERO ═══════════ */
.hero { position: relative; min-height: 100svh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 6rem 1.2rem 3rem; overflow: hidden; }
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -3; }
.hero-veil { position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(ellipse at 50% 42%, rgba(7,6,11,0.18), rgba(7,6,11,0.74) 78%),
    linear-gradient(180deg, rgba(7,6,11,0.55) 0%, rgba(7,6,11,0.30) 38%, var(--bg) 100%); }
.hero-grain { position: absolute; inset: 0; z-index: -1; opacity: 0.5; pointer-events: none;
  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='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
  mix-blend-mode: overlay; }
.hero-kicker { font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.4em; text-transform: uppercase; color: var(--muted); margin-bottom: clamp(1.2rem, 3vw, 2rem); }
.hero-title { font-family: var(--display); font-weight: 800; font-size: clamp(4.5rem, 26vw, 24rem); letter-spacing: -0.04em; display: flex; gap: 0.01em; }
.hero-title .char { display: inline-block; will-change: transform, opacity;
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink) 55%, var(--accent) 130%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-sub { max-width: 46ch; margin-top: clamp(1.4rem, 3vw, 2.4rem); font-size: clamp(1rem, 1vw + 0.7rem, 1.35rem); color: var(--muted); }
.hero-scroll { margin-top: clamp(2.5rem, 6vw, 5rem); display: flex; flex-direction: column; align-items: center; gap: 0.9rem; }
.hero-scroll-txt { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--muted); }
.hero-scroll-line { position: relative; width: 1px; height: 64px; background: var(--line); overflow: hidden; }
.hero-scroll-dot { position: absolute; top: 0; left: -1.5px; width: 4px; height: 12px; background: var(--accent); animation: scrolldot 1.8s var(--ease-io) infinite; }
@keyframes scrolldot { 0%{transform:translateY(-14px);opacity:0} 30%{opacity:1} 100%{transform:translateY(64px);opacity:0} }

/* ═══════════ 2 · MANIFIESTO ═══════════ */
.manifesto { position: relative; min-height: 100svh; display: flex; align-items: center; justify-content: center; padding: 8rem clamp(1.2rem, 6vw, 8rem); overflow: hidden; }
.manifesto::before { content: ""; position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(180deg, var(--bg) 0%, rgba(7,6,11,0.72) 28%, rgba(7,6,11,0.72) 72%, var(--bg) 100%), url("assets/manifesto.webp") center / cover no-repeat; }
.manifesto-text { position: relative; z-index: 1; font-family: var(--display); font-weight: 600; font-size: clamp(1.7rem, 4.6vw, 4.2rem); line-height: 1.12; letter-spacing: -0.02em; max-width: 18ch; text-align: left; }
.manifesto-text .word { display: inline-block; will-change: opacity, transform; }

/* ═══════════ 3 · DESCENSO (parallax) ═══════════ */
.descent { min-height: 220vh; overflow: clip; }
.layers { position: relative; height: 100%; }
.layer { position: absolute; left: 50%; transform: translateX(-50%); width: 130%; height: 56vh; background-size: cover; background-position: center; opacity: 0.6; will-change: transform; pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 22%, #000 78%, transparent);
          mask-image: linear-gradient(180deg, transparent, #000 22%, #000 78%, transparent); }
.layer--1 { top: 0%;  background-image: url("assets/cosmos-1.webp"); }
.layer--2 { top: 26%; background-image: url("assets/cosmos-2.webp"); opacity: 0.72; }
.layer--3 { top: 54%; background-image: url("assets/cosmos-3.webp"); }
.layer--4 { top: 82%; background-image: url("assets/cosmos-4.webp"); opacity: 0.8; }

.descent-copy { position: relative; z-index: 5; max-width: 880px; margin: 0 auto; padding: 30vh clamp(1.2rem, 5vw, 4rem) 30vh; display: flex; flex-direction: column; gap: 1.6rem; }
.descent-tag { font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--accent); will-change: transform; }
.descent-head { font-size: clamp(2.6rem, 8vw, 7rem); will-change: transform; }
.descent-p { font-size: clamp(1.05rem, 1.4vw + 0.7rem, 1.6rem); color: var(--muted); max-width: 40ch; will-change: transform; }

/* HUD */
.hud { position: absolute; top: 0; right: clamp(1rem, 4vw, 3rem); height: 100%; z-index: 6; pointer-events: none; }
.hud-block { position: sticky; top: 38vh; margin-bottom: 2.2rem; }
.hud-label { display: block; font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.25em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.2rem; }
.hud-value { font-family: var(--display); font-weight: 700; font-size: clamp(1.8rem, 4vw, 3rem); font-variant-numeric: tabular-nums; }
.hud-mini { font-family: var(--mono); font-size: 0.8rem; color: var(--muted); }
.hud-meter { position: sticky; top: 46vh; width: 2px; height: 30vh; background: var(--line); }
.hud-meter-fill { display: block; width: 100%; height: 0%; background: var(--accent); }
@media (max-width: 720px) { .hud { right: 0.8rem; } .hud-meter { display: none; } }

/* ═══════════ 4 · ESPECTRO (scroll horizontal) ═══════════ */
.horizontal { background: var(--bg-2); }
.h-pin { height: 100svh; display: flex; flex-direction: column; justify-content: center; overflow: hidden; }
.h-head { display: flex; justify-content: space-between; align-items: baseline; padding: 0 clamp(1.2rem, 5vw, 4rem); margin-bottom: clamp(1.5rem, 4vw, 3rem); }
.h-eyebrow { font-family: var(--display); font-weight: 700; font-size: clamp(1.4rem, 4vw, 2.6rem); }
.h-hint { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); }
.h-track { display: flex; gap: clamp(1rem, 2.5vw, 2rem); padding: 0 clamp(1.2rem, 5vw, 4rem); width: max-content; will-change: transform; }
.hpanel { position: relative; width: clamp(260px, 78vw, 440px); height: min(62vh, 560px); flex: 0 0 auto;
  border: 1px solid var(--line); border-radius: 18px; padding: clamp(1.4rem, 3vw, 2.4rem);
  display: flex; flex-direction: column; justify-content: flex-end; gap: 0.5rem; overflow: hidden;
  background-color: var(--bg-2);
  background-image: linear-gradient(0deg, rgba(7,6,11,0.93) 4%, rgba(7,6,11,0.45) 40%, color-mix(in oklab, var(--c) 30%, transparent) 100%), var(--img);
  background-size: cover; background-position: center; background-repeat: no-repeat;
  transition: border-color .4s, transform .4s var(--ease-out); }
.hpanel:nth-child(1) { --img: url("assets/spectrum-1.webp"); }
.hpanel:nth-child(2) { --img: url("assets/spectrum-2.webp"); }
.hpanel:nth-child(3) { --img: url("assets/spectrum-3.webp"); }
.hpanel:nth-child(4) { --img: url("assets/spectrum-4.webp"); }
.hpanel:nth-child(5) { --img: url("assets/spectrum-5.webp"); }
.hpanel:nth-child(6) { --img: url("assets/spectrum-6.webp"); }
.hpanel:hover { border-color: var(--c); transform: translateY(-6px); }
.hpanel-idx { position: absolute; top: clamp(1.4rem,3vw,2.4rem); left: clamp(1.4rem,3vw,2.4rem); font-family: var(--mono); font-size: 0.8rem; color: var(--c); }
.hpanel-name { font-size: clamp(2.4rem, 6vw, 4rem); color: #fff; }
.hpanel-nm { font-family: var(--mono); font-size: 0.85rem; color: var(--c); letter-spacing: 0.1em; }
.hpanel-desc { font-size: 0.98rem; color: var(--muted); max-width: 32ch; margin-top: 0.4rem; }

/* ═══════════ 5 · ESCALA (zoom reveal) ═══════════ */
.scale { height: 200vh; }
.scale-pin { height: 100svh; display: flex; flex-direction: column; align-items: center; justify-content: center; overflow: hidden; text-align: center; }
.scale-pre { font-family: var(--mono); font-size: 0.85rem; letter-spacing: 0.3em; text-transform: uppercase; color: var(--muted); margin-bottom: 1.5rem; }
.scale-word { font-family: var(--display); font-weight: 800; font-size: clamp(3rem, 16vw, 16rem); letter-spacing: -0.05em; will-change: transform, opacity;
  background: linear-gradient(120deg, var(--magenta), var(--cyan), var(--lime)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* ═══════════ 6 · DATOS (contadores) ═══════════ */
.stats { padding: clamp(6rem, 14vw, 12rem) clamp(1.2rem, 5vw, 4rem); }
.stats-title { font-size: clamp(2rem, 6vw, 4.4rem); margin-bottom: clamp(2.5rem, 6vw, 5rem); max-width: 16ch; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: clamp(1.5rem, 4vw, 3.5rem); border-top: 1px solid var(--line); }
.stat { padding-top: clamp(1.5rem, 3vw, 2.4rem); border-top: 1px solid var(--line); margin-top: -1px; }
.stat-num { display: block; font-family: var(--display); font-weight: 800; font-size: clamp(3rem, 9vw, 6.5rem); line-height: 1; font-variant-numeric: tabular-nums; letter-spacing: -0.03em; }
.stat-label { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }

/* ═══════════ 7 · OUTRO ═══════════ */
.outro { padding-top: clamp(4rem, 10vw, 8rem); }
.marquee { overflow: hidden; white-space: nowrap; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: clamp(1rem,2vw,1.6rem) 0; }
.marquee-inner { display: inline-flex; will-change: transform; font-family: var(--display); font-weight: 800; font-size: clamp(2.2rem, 7vw, 5.5rem); letter-spacing: -0.02em;
  -webkit-text-stroke: 1.5px var(--ink); -webkit-text-fill-color: transparent; }
.outro-cta { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 2rem; padding: clamp(5rem, 14vw, 12rem) 1.2rem; }
.outro-sub { font-family: var(--display); font-weight: 600; font-size: clamp(1.4rem, 4vw, 2.8rem); max-width: 22ch; line-height: 1.15; }
.cta { display: inline-flex; align-items: center; gap: 1rem; font-family: var(--mono); font-size: 0.9rem; letter-spacing: 0.18em; text-transform: uppercase;
  padding: 1.1rem 2.2rem; border: 1px solid var(--ink); border-radius: 100px; overflow: hidden; position: relative; }
.cta::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--magenta), var(--cyan)); transform: translateY(101%); transition: transform .5s var(--ease-out); z-index: -1; }
.cta:hover { color: var(--bg); border-color: transparent; }
.cta:hover::before { transform: translateY(0); }
.cta-arrow { transition: transform .4s var(--ease-out); }
.cta:hover .cta-arrow { transform: translateY(-4px); }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; padding: 2rem clamp(1.2rem, 5vw, 4rem); border-top: 1px solid var(--line); font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }

/* ═══════════ ACCESIBILIDAD · reduced motion ═══════════ */
@media (prefers-reduced-motion: reduce) {
  .hero-scroll-dot, .brand-dot { animation: none; }
  html { scroll-behavior: auto; }
  .reveal, .word, .char, [data-anim] { opacity: 1 !important; transform: none !important; }
}