/* Landing (index.html) y páginas de texto (privacy/). Mobile-first. */
:root {
  --bg: #060818;
  --text: #f4f1fa;
  --muted: #c9c2dd;
  --accent: #c49bff;
  --line: rgba(255, 255, 255, 0.14);
  --glass: rgba(16, 14, 32, 0.66);
  --card: rgba(18, 15, 36, 0.9);
  --display: "Unbounded Variable", "Unbounded", system-ui, sans-serif;
  --body: "Plus Jakarta Sans Variable", "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --ko: "Noto Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", "Nanum Gothic", sans-serif;
  --gutter: clamp(18px, 5vw, 80px);
  --ease: cubic-bezier(.22, 1, .36, 1);
  --live: #9a6bff; /* color actual del lightstick (lo actualiza landing.js) */
  --a1: #e2c9ff;   /* par de acentos del capítulo */
  --a2: #5ccaf8;
  color-scheme: dark;
}
[data-pal="ice"] { --a1: #bfe9ff; --a2: #8f7dff; }
[data-pal="mint"] { --a1: #8ff5d2; --a2: #58c8ff; }
[data-pal="fire"] { --a1: #ff86c8; --a2: #ffbe55; }
[data-pal="violet"] { --a1: #d2b0ff; --a2: #6f62ff; }
[data-pal="gold"] { --a1: #ffd877; --a2: #a46bff; }
* { box-sizing: border-box; }
html { background: var(--bg); }
html.dragging, html.dragging * { user-select: none !important; -webkit-user-select: none !important; }
body {
  margin: 0; color: var(--text); background: var(--bg);
  font: 16px/1.55 var(--body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img, svg { -webkit-user-drag: none; }
:focus-visible { outline: 3px solid #ff7ac0; outline-offset: 3px; border-radius: 10px; }
[tabindex="-1"]:focus { outline: none; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 10; padding: 10px 16px; border-radius: 999px; background: #fff; color: #111; font-weight: 700; }
.skip:focus { top: 12px; }
.ko { font-family: var(--ko); font-weight: 700; letter-spacing: 0; color: var(--a1); }
.eyebrow .ko, .kicker .ko { font-size: .95em; opacity: .9; text-transform: none; }

/* ---------- Escena 3D de fondo ---------- */
#scene { position: fixed; inset: 0; width: 100vw; height: 100dvh; display: block; touch-action: pan-y; }
/* Mano abierta sobre el lightstick y mano cerrada al arrastrar (cursores propios en SVG). */
#scene.grab { cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'%3E%3Cpath d='M11 15V7.5a1.8 1.8 0 0 1 3.6 0V14m0-1V5.8a1.8 1.8 0 0 1 3.6 0V14m0-1V7a1.8 1.8 0 0 1 3.6 0v8m0-4.5a1.8 1.8 0 0 1 3.6 0V19c0 5-3.3 9-8.4 9-3.4 0-5.3-1.6-7-4.2l-3.3-5.3a1.9 1.9 0 0 1 3.1-2.2L11 18' fill='%23fff' stroke='%23140b26' stroke-width='1.6' stroke-linejoin='round'/%3E%3C/svg%3E") 15 15, grab; }
#scene.grabbing, html.dragging #scene { cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='32' height='32' viewBox='0 0 32 32'%3E%3Cpath d='M10 14.5c0-1.2 1-2 2-2s2 .8 2 2m0-.8c0-1.2 1-2 2-2s2 .8 2 2m0-.2c0-1.2 1-2 2-2s2 .8 2 2v.8c0-1.2 1-2 2-2s1.8.8 1.8 2V19c0 5-3.3 9-8.4 9-3.4 0-5.6-1.8-7-4.2-1-1.6-1.6-3.3-1.6-5.2 0-1.5.9-2.6 2.2-3.1' fill='%23fff' stroke='%23140b26' stroke-width='1.6' stroke-linejoin='round'/%3E%3C/svg%3E") 15 15, grabbing; }
.vignette { position: fixed; inset: 0; pointer-events: none; background: radial-gradient(120% 80% at 50% 30%, transparent 40%, #060818b8 100%); }
.markers { position: fixed; inset: 0; z-index: 1; pointer-events: none; user-select: none; }
.leaders { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.leaders path { fill: none; stroke: var(--a1); stroke-width: 1.2; stroke-linecap: round; opacity: 0; stroke-dasharray: 1; stroke-dashoffset: 1; transition: stroke-dashoffset .9s var(--ease), opacity .4s, stroke .3s; }
.leaders path.on { opacity: .75; stroke-dashoffset: 0; }
.leaders path.hot { stroke: #fff; opacity: 1; stroke-width: 1.8; }
.leaders circle { fill: var(--a1); opacity: 0; transition: opacity .4s, r .3s; filter: drop-shadow(0 0 6px var(--a1)); }
.leaders circle.on { opacity: 1; }
.leaders circle.hot { fill: #fff; r: 5; }
.mk { position: absolute; left: 0; top: 0; opacity: 0; transition: opacity .4s var(--ease); }
.mk.shown { opacity: 1; }
.mk i { font: 600 .66rem/1 var(--display); font-style: normal; width: 22px; height: 22px; display: grid; place-items: center; border-radius: 50%;
  background: #0b0a18cc; border: 1px solid #ffffff66; transform: translate(-50%, -50%); transition: transform .35s var(--ease), background .35s; }
.mk.hot i { background: var(--a1); color: #140b26; transform: translate(-50%, -50%) scale(1.3); }
.enter-fx { position: fixed; inset: 0; z-index: 20; pointer-events: none; opacity: 0; background: radial-gradient(circle at var(--fx-x, 50%) var(--fx-y, 50%), var(--live) 0, #ffffff 6%, #060818 60%); }

/* ---------- Navegación ---------- */
.nav {
  position: relative; z-index: 4; display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: calc(12px + env(safe-area-inset-top)) var(--gutter) 12px;
}
.landing .nav { position: fixed; top: 0; left: 0; right: 0; background: linear-gradient(180deg, #060818f2, #06081800); }
.brand { display: flex; align-items: center; gap: .55rem; font-family: var(--display); font-weight: 600; font-size: .95rem; letter-spacing: -.01em; text-decoration: none; user-select: none; }
.nav nav { display: flex; align-items: center; gap: 1.1rem; font-size: .88rem; }
.nav nav a { text-decoration: none; color: var(--muted); }
.nav nav a:hover { color: var(--text); }
/* Menú: desplegable por debajo de 1100 px (src/nav-menu.js), en línea en escritorio. */
.nav nav { position: relative; }
.nav-links { list-style: none; margin: 0; padding: 0; }
.nav-menu-btn {
  display: inline-flex; align-items: center; gap: 6px; min-height: 44px; min-width: 44px; padding: 0 .85rem; justify-content: center;
  border-radius: 999px; border: 1px solid rgba(255, 255, 255, .35); background: rgba(10, 8, 28, .45); color: #f4f1fa;
  font: inherit; font-weight: 700; font-size: .85rem; cursor: pointer;
}
.nav-menu-btn:hover { background: rgba(255, 255, 255, .14); }
.nav-menu-btn:focus-visible, .nav-links a:focus-visible, .nav-lang-long:focus-visible { outline: 2px solid #c9a6ff; outline-offset: 2px; }
.nav-menu-btn[aria-expanded="true"] { background: #fff; color: #140b26; border-color: #fff; }
@media (max-width: 1099px) {
  .nav-links {
    position: absolute; top: calc(100% + 8px); right: 0; z-index: 30; display: none;
    width: max-content; min-width: 220px; max-width: calc(100vw - 2 * var(--gutter)); padding: 6px;
    background: #0d0b1c; border: 1px solid rgba(255, 255, 255, .18); border-radius: 16px;
    box-shadow: 0 18px 40px -12px rgba(0, 0, 0, .7);
  }
  .nav-links.open { display: grid; }
  .nav nav .nav-links a, .nav-lang-long {
    display: flex; align-items: center; min-height: 44px; padding: 0 14px; border-radius: 10px; width: 100%;
    color: #f4f1fa; text-decoration: none; font: inherit; font-size: .95rem; font-weight: 600; white-space: normal; text-align: left;
    background: none; border: 0; cursor: pointer;
  }
  .nav nav .nav-links a:hover, .nav-lang-long:hover { background: rgba(255, 255, 255, .1); }
  .nl-lang { border-top: 1px solid rgba(255, 255, 255, .12); margin-top: 4px; padding-top: 4px; }
  .landing .nav-lang { display: none; } /* en la landing el idioma va dentro del menú */
}
@media (min-width: 1100px) {
  .nav-menu-btn, .nl-lang { display: none; }
  .nav-links { display: flex; align-items: center; gap: 1.1rem; }
}
/* Logo sin texto en pantallas chicas (el nombre sigue para lectores de pantalla); menú solo con ícono en las muy chicas. */
@media (max-width: 479px) { .brand-name, .nav-menu-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; } }
@media (min-width: 360px) and (max-width: 479px) { .nav-menu-label { position: static; width: auto; height: auto; overflow: visible; clip: auto; } }
.nav-cta { color: #140b26 !important; background: #fff; padding: .55rem 1rem; border-radius: 999px; font-weight: 700; min-height: 44px; display: inline-flex; align-items: center; }

/* ---------- Tipografía ---------- */
.display, h1, .title, h3 { font-family: var(--display); font-weight: 700; letter-spacing: -.035em; margin: 0; text-wrap: balance; }
h1.display { font-size: clamp(2.2rem, 9.6vw, 5rem); line-height: .96; font-weight: 800; }
.h-thin { font-weight: 200; letter-spacing: -.02em; }
.h-giant { font-weight: 900; }
.h-line { display: block; font-weight: 700; }
.title { font-size: clamp(1.8rem, 7.4vw, 3.4rem); line-height: 1.03; }
.title.display { font-size: clamp(2.3rem, 9vw, 5.6rem); line-height: .98; }
h3 { font-size: 1.02rem; letter-spacing: -.02em; font-weight: 600; }
.grad { background: linear-gradient(90deg, var(--a1), var(--live) 50%, var(--a2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
/* Texto partido en palabras/letras para animarlo (el texto completo queda en .sr-only). */
.kt .w { display: inline-block; white-space: nowrap; }
.kt .c { display: inline-block; }
.kt .grad { background: none; color: inherit; }
.kt .grad .c { background: linear-gradient(90deg, var(--a1), var(--live) 50%, var(--a2)); background-size: var(--gw, 100%) 100%; background-position: calc(var(--gx, 0px) * -1) 0;
  -webkit-background-clip: text; background-clip: text; color: transparent; }
.eyebrow, .kicker { margin: 0; color: var(--a1); font-weight: 700; letter-spacing: .16em; text-transform: uppercase; font-size: .72rem; }
.kicker { display: flex; align-items: center; gap: .7rem; }
.kicker .num { font-family: var(--display); font-weight: 300; letter-spacing: 0; font-size: .82rem; color: var(--text); padding: .15rem .6rem; border: 1px solid var(--line); border-radius: 999px; }
.lead, .sub { margin: 0; color: var(--muted); font-size: clamp(1rem, 2.2vw, 1.15rem); max-width: 38rem; }
.sub { font-size: 1rem; }

/* Palabra gigante con contorno que se rellena con el color al hacer scroll. */
.bigword { position: relative; margin: 0 0 -.1em; font-family: var(--ko); font-weight: 900; font-size: clamp(4.2rem, 20vw, 12rem); line-height: 1; white-space: nowrap; user-select: none; opacity: .62; mix-blend-mode: screen; }
.bigword span { display: block; }
.bw-stroke { color: transparent; -webkit-text-stroke: 1.5px var(--a1); }
.bw-fill { position: absolute; inset: 0; color: var(--live); clip-path: inset(0 calc(100% - var(--fill, 0%)) 0 0); text-shadow: 0 0 40px var(--live); }

/* Banda de frases en movimiento (decorativa). */
.marquee { position: relative; z-index: 2; overflow: hidden; padding: 18px 0; border-block: 1px solid var(--line); background: #0a0920e6; user-select: none; }
.mq-track { display: flex; width: max-content; gap: 1.4rem; align-items: center; font: 800 clamp(1.4rem, 4.4vw, 2.6rem)/1 var(--display); letter-spacing: -.02em; will-change: transform; }
.mq-track i { font-style: normal; color: var(--live); font-size: .6em; }
.mq-track .ko { color: var(--text); font-weight: 900; }
.mq-outline { color: transparent; -webkit-text-stroke: 1.2px #ffffffb0; }
.marquee.alt { transform: rotate(-1.2deg); margin: 2vh -2vw; }

/* ---------- Botones ---------- */
.ctas { display: flex; gap: .8rem; flex-wrap: wrap; align-items: center; }
.btn {
  font: inherit; font-weight: 700; cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 1.5rem;
  border-radius: 999px; border: 1px solid var(--line); background: var(--glass); color: var(--text);
  transition: transform .3s var(--ease), border-color .3s, background .3s;
}
.btn.primary { background: #fff; color: #111; border-color: #fff; }
.btn.ghost { background: transparent; }
.btn:hover { transform: translateY(-2px); }
.btn[aria-pressed="true"] { border-color: var(--a1); color: var(--a1); }
.link-arrow { display: inline-flex; align-items: center; gap: .4rem; min-height: 44px; font-weight: 700; text-decoration: none; color: var(--text); position: relative; }
.link-arrow::after { content: ""; position: absolute; left: 0; right: 1.3rem; bottom: 8px; height: 2px; background: linear-gradient(90deg, var(--a1), var(--a2)); transform: scaleX(.25); transform-origin: left; transition: transform .45s var(--ease); }
.link-arrow span { transition: transform .45s var(--ease); }
.link-arrow:hover::after, .link-arrow:focus-visible::after { transform: scaleX(1); }
.link-arrow:hover span, .link-arrow:focus-visible span { transform: translateX(5px); }

/* CTA principal: "ticket" con la luz del lightstick dentro, imán, brillo y onda al pulsar. */
.hero-ctas { display: grid; gap: .55rem; justify-items: start; }
.orb-cta {
  --mx: 0px; --my: 0px; --beat: 0;
  position: relative; isolation: isolate; overflow: hidden; display: inline-flex; align-items: center; gap: .9rem;
  min-height: 66px; padding: 0 1.4rem 0 1.8rem; border-radius: 999px; text-decoration: none; color: #120a24;
  font: 800 1.08rem/1 var(--display); letter-spacing: -.02em;
  background: linear-gradient(120deg, #ffffff, #f1e8ff 55%, #e6f6ff);
  box-shadow: 0 0 0 1px #ffffff70, 0 12px 40px -10px var(--live), 0 0 calc(24px + var(--beat) * 40px) calc(var(--beat) * 6px) color-mix(in srgb, var(--live) 55%, transparent);
  transform: translate(var(--mx), var(--my));
  transition: transform .5s var(--ease), box-shadow .2s;
}
.orb-glow { position: absolute; z-index: -1; left: -10%; top: -60%; width: 46%; height: 220%; border-radius: 50%; background: radial-gradient(circle, var(--live) 0, transparent 65%); opacity: .55; filter: blur(6px); }
.orb-shine { position: absolute; inset: 0; z-index: -1; background: linear-gradient(105deg, transparent 35%, #ffffffcc 48%, transparent 60%); transform: translateX(-120%); }
.orb-cta:hover .orb-shine, .orb-cta:focus-visible .orb-shine { transform: translateX(120%); transition: transform .9s var(--ease); }
.orb-arrow { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; background: #120a24; color: #fff; transition: transform .4s var(--ease); }
.orb-cta:hover .orb-arrow { transform: translateX(4px) rotate(-8deg); }
.orb-cta .ripple { position: absolute; z-index: -1; width: 20px; height: 20px; margin: -10px; border-radius: 50%; background: var(--live); opacity: .5; pointer-events: none; animation: ripple .7s var(--ease) forwards; }
@keyframes ripple { to { transform: scale(30); opacity: 0; } }
.orb-micro { margin: 0 0 0 1.2rem; font-size: .8rem; color: var(--muted); letter-spacing: .04em; }
.hero-links { display: flex; flex-wrap: wrap; gap: .4rem 1.2rem; align-items: center; margin-top: .3rem; }

/* ---------- Capítulos: slot del modelo + contenido ---------- */
/* overflow-x: clip (no hidden): recorta la banda inclinada sin crear un contenedor de scroll, así lo pegajoso sigue
   funcionando y el teléfono no agranda el viewport (antes 406 px de ancho en una pantalla de 390). */
main { position: relative; z-index: 2; overflow-x: clip; }
.chapter { position: relative; padding: 0 var(--gutter); }
.slot { height: 46svh; pointer-events: none; }
.copy { position: relative; display: grid; gap: 1.4rem; padding-bottom: 10svh; }
/* Velo detrás del texto para mantener el contraste sobre la escena. */
.copy::before { content: ""; position: absolute; inset: -6% -10%; z-index: -1; pointer-events: none; background: radial-gradient(60% 55% at 40% 50%, #060818d0, transparent 75%); }
.head { display: grid; gap: .8rem; }
.hero { padding-top: 64px; }
.hero .slot { height: 46svh; }
.hero .copy { gap: 1rem; padding-bottom: 28px; }
.hero-facts { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem 1.2rem; margin: .4rem 0 0; padding: 0; color: var(--muted); font-size: .86rem; }
.hero-facts b { font-family: var(--display); color: var(--text); font-weight: 600; margin-right: .25rem; }

/* Anatomía: cabecera, modelo al centro y tarjetas a ambos lados (abajo en móvil). */
.anatomy { padding: 0 var(--gutter); }
.anat-stage { display: grid; gap: 1rem; padding-top: 72px; }
.anat-head { display: grid; gap: .6rem; }
.slot-center { height: 56svh; }
.parts { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.part-card {
  width: 100%; height: 100%; text-align: left; font: inherit; color: inherit; cursor: pointer;
  display: grid; gap: .25rem; align-content: start; padding: 13px; border-radius: 16px;
  background: var(--card); border: 1px solid var(--line);
  transition: border-color .3s, background .3s, transform .45s var(--ease), opacity .5s var(--ease);
}
.part-card b { font-family: var(--display); font-weight: 600; font-size: .9rem; letter-spacing: -.02em; }
.part-card span:last-child { color: var(--muted); font-size: .82rem; line-height: 1.4; }
.pc-n { font: 300 .78rem/1 var(--display); color: var(--a1); }
.part-card:hover, .part-card:focus-visible, .part-card.is-hot { border-color: var(--a1); background: rgba(60, 40, 120, .6); transform: translateY(-2px); }

/* Pasos */
.steps { list-style: none; margin: 0; padding: 0 0 6px; display: grid; grid-auto-flow: column; grid-auto-columns: minmax(200px, 74%); gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; }
.step { scroll-snap-align: start; display: grid; gap: .35rem; align-content: start; padding: 16px; border-radius: 18px; background: var(--card); border: 1px solid var(--line); position: relative; cursor: default; transition: border-color .3s, transform .4s var(--ease); }
.step:hover, .step.is-hot { border-color: var(--a1); transform: translateY(-2px); }
.step b { font-family: var(--display); font-weight: 600; font-size: .95rem; letter-spacing: -.02em; }
.step > span:last-child { color: var(--muted); font-size: .85rem; line-height: 1.4; }
.st-n { position: absolute; top: 10px; right: 14px; font: 200 2rem/1 var(--display); color: #ffffff2a; }
.st-ico { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 12px; background: color-mix(in srgb, var(--a2) 25%, transparent); color: var(--a1); font-size: 1.2rem; }

/* Demo */
.demo { display: grid; gap: 1rem; padding: 18px; border-radius: 22px; background: var(--card); border: 1px solid var(--line); }
.chips { border: 0; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.chips legend { width: 100%; padding: 0 0 .5rem; font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); font-weight: 700; }
.chip { font: inherit; font-weight: 600; font-size: .88rem; cursor: pointer; display: inline-flex; align-items: center; gap: .5rem; min-height: 44px; padding: 0 1rem;
  border-radius: 999px; border: 1px solid var(--line); background: #ffffff0d; color: var(--text); transition: border-color .3s, background .3s, transform .3s var(--ease); }
.chip i { width: 16px; height: 16px; border-radius: 50%; background: var(--c); box-shadow: 0 0 12px var(--c); }
.chip:hover { transform: translateY(-1px); border-color: #ffffff44; }
.chip:active { transform: scale(.97); }
.chip[aria-pressed="true"] { border-color: var(--a1); background: color-mix(in srgb, var(--a2) 22%, transparent); }
.demo-note { margin: 0; color: var(--muted); font-size: .88rem; }

/* Funciones: cada maqueta es interactiva. */
.feats { display: grid; gap: 12px; }
.feat { display: grid; gap: .45rem; align-content: start; padding: 16px; border-radius: 20px; background: var(--card); border: 1px solid var(--line); }
.feat p { margin: 0; color: var(--muted); font-size: .88rem; }
.feat-status:empty { display: none; }
.feat-status { color: var(--a1) !important; }
.feat { position: relative; }
.feat-link { position: absolute; top: 12px; right: 12px; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--line); background: #0b0a18cc; color: var(--a1); text-decoration: none; font-size: 1.1rem; transition: background .3s, transform .3s var(--ease); }
.feat-link:hover, .feat-link:focus-visible { background: var(--a1); color: #140b26; transform: rotate(-8deg); }
.feat .mock { margin-right: 52px; }
.mock { min-height: 72px; border-radius: 14px; background: #0b0a18; border: 1px solid var(--line); margin-bottom: .3rem; position: relative; overflow: hidden; display: flex; align-items: center; gap: 10px; padding: 10px 12px; }
.mock-btn { font: inherit; font-size: .84rem; font-weight: 700; cursor: pointer; min-height: 44px; padding: 0 .9rem; border-radius: 999px; border: 1px solid var(--line); background: #ffffff12; color: var(--text); transition: background .3s, transform .3s var(--ease); }
.mock-btn:hover { background: #ffffff22; }
.mock-btn:active { transform: scale(.97); }
.mock-btn[aria-pressed="true"] { background: var(--a1); color: #140b26; }
.mv-play { width: 44px; height: 44px; flex: none; border-radius: 50%; border: 0; display: grid; place-items: center; background: #fff; color: #111; font-size: .9rem; cursor: pointer; transition: transform .3s var(--ease); }
.mv-play:hover { transform: scale(1.06); }
.mv-bar { flex: 1; position: relative; height: 28px; display: flex; align-items: center; cursor: pointer; }
.mv-segs { display: flex; gap: 3px; width: 100%; height: 8px; }
.mv-segs i { flex: 1; border-radius: 4px; background: var(--c); opacity: .55; transition: opacity .3s, box-shadow .3s; }
.mv-segs i.on { opacity: 1; box-shadow: 0 0 12px var(--c); }
.mv-head { position: absolute; top: 50%; left: var(--p, 0%); width: 14px; height: 14px; margin: -7px 0 0 -7px; border-radius: 50%; background: #fff; box-shadow: 0 0 10px var(--live); }
.mv-time { font: 500 .74rem/1 var(--display); color: var(--muted); min-width: 2.6rem; text-align: right; }
.eq { display: flex; align-items: center; gap: 4px; height: 48px; flex: 1; justify-content: center; }
.eq i { width: 6px; border-radius: 3px; background: linear-gradient(var(--a1), var(--a2)); height: calc(12% + var(--h, 0) * 88%); transition: height .08s linear; }
.mock-chant { flex-direction: column; align-items: stretch; }
.fc-stage { min-height: 46px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.fc-hint { color: var(--muted); font-size: .8rem; }
.fc-name { display: inline-grid; padding: .3rem .6rem; border-radius: 10px; background: color-mix(in srgb, var(--a2) 28%, transparent); line-height: 1.1; }
.fc-name b { font-family: var(--ko); font-size: .95rem; }
.fc-name small { font-size: .66rem; color: var(--muted); }
.fc-name.final { background: var(--live); color: #120a24; }
.fc-controls { display: flex; gap: 10px; align-items: center; }
.fc-voice { font-size: .8rem; color: var(--muted); display: inline-flex; gap: .35rem; align-items: center; min-height: 44px; }
.mock-rhythm { gap: 12px; }
.rt-pad { position: relative; flex: none; width: 112px; height: 72px; border-radius: 16px; border: 1px solid var(--line); background: radial-gradient(circle at 50% 40%, color-mix(in srgb, var(--live) 45%, #1a1530), #120f24); color: var(--text); font: 700 .8rem/1.2 var(--display); cursor: pointer; transition: transform .1s; }
.rt-pad:active, .rt-pad.hit { transform: scale(.95); }
.rt-beat { position: absolute; top: 8px; right: 8px; width: 10px; height: 10px; border-radius: 50%; background: var(--live); opacity: calc(.25 + var(--b, 0) * .75); transform: scale(calc(.8 + var(--b, 0) * .6)); }
.rt-side { display: grid; gap: 2px; font-size: .8rem; color: var(--muted); min-width: 0; }
.rt-judge { font: 800 1rem/1.1 var(--display); color: var(--a1); }
.rt-score b { color: var(--text); font-family: var(--display); }
.rt-rank { font-size: .7rem; opacity: .8; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mock-safe { font-size: .86rem; color: var(--muted); }
.ms-toggle { width: 52px; height: 30px; border-radius: 999px; border: 0; background: #4a4560; position: relative; flex: none; cursor: pointer; transition: background .3s; }
.ms-toggle b { position: absolute; top: 4px; left: 4px; width: 22px; height: 22px; border-radius: 50%; background: #fff; transition: transform .35s var(--ease); }
.ms-toggle[aria-checked="true"] { background: #48d597; }
.ms-toggle[aria-checked="true"] b { transform: translateX(22px); }

.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin: 0; border-radius: 20px; overflow: hidden; background: var(--line); border: 1px solid var(--line); }
.stats div { background: #0e0c1fe6; padding: 14px 16px; }
.stats dt { color: var(--muted); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; }
.stats dd { margin: .2rem 0 0; font: 900 clamp(1.8rem, 7vw, 2.8rem)/1 var(--display); letter-spacing: -.05em; background: linear-gradient(90deg, var(--a1), var(--live)); -webkit-background-clip: text; background-clip: text; color: transparent; font-variant-numeric: tabular-nums; }

/* Versiones */
.slot-lineup { height: 46svh; }
.vers { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.ver-card { width: 100%; text-align: left; font: inherit; color: inherit; cursor: pointer; display: grid; gap: .2rem; padding: 14px 16px; border-radius: 16px; background: var(--card); border: 1px solid var(--line); transition: border-color .3s, transform .4s var(--ease), background .3s; }
.ver-card b { font-family: var(--display); font-weight: 700; letter-spacing: -.02em; }
.ver-card span { color: var(--muted); font-size: .86rem; }
.ver-card:hover, .ver-card:focus-visible, .ver-card.is-hot { border-color: var(--a1); background: rgba(60, 40, 120, .6); transform: translateX(4px); }
.caption { margin: 0; font-size: .8rem; color: var(--muted); max-width: 36rem; }

/* Clímax: océano */
.ocean { text-align: center; }
.ocean .slot { height: 44svh; }
.ocean .copy { justify-items: center; padding-bottom: 14svh; }
.ocean .copy::before { background: radial-gradient(60% 60% at 50% 60%, #060818c0, transparent 75%); }
.ocean .ctas { justify-content: center; }

/* ---------- Reproductor mini: píldora compacta, arrastrable; el video (≥200×200) solo se ve al abrirlo ---------- */
.mini {
  position: fixed; z-index: 6; left: 8px; right: 8px; bottom: calc(8px + env(safe-area-inset-bottom));
  display: grid; gap: 8px; padding: 6px; max-width: 420px; margin: 0 auto;
  background: rgba(18, 16, 30, .92); border: 1px solid var(--line); border-radius: 22px;
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); box-shadow: 0 12px 40px -12px #000;
  transition: box-shadow .3s;
}
.mini.dragging { box-shadow: 0 20px 60px -10px var(--live); transition: none; }
.mini-bar { display: flex; align-items: center; gap: 6px; }
.mini-grip { width: 30px; height: 44px; border: 0; background: none; color: var(--muted); cursor: grab; font-size: 1rem; touch-action: none; border-radius: 10px; }
.mini.dragging .mini-grip { cursor: grabbing; }
.mini-play { width: 44px; height: 44px; flex: none; border-radius: 50%; border: 0; background: #fff; color: #111; cursor: pointer; font-size: .9rem; }
.mini-info { min-width: 0; flex: 1; }
.mini-label { margin: 0; font-size: .64rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.mini-title { margin: 0; font-family: var(--display); font-weight: 600; font-size: .86rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mini-btn { width: 40px; height: 44px; border: 0; border-radius: 12px; background: #ffffff10; color: var(--text); cursor: pointer; }
.mini-video { width: 200px; height: 200px; border-radius: 14px; overflow: hidden; background: #000; }
.mini[data-state="collapsed"] .mini-video, .mini[data-state="idle"] .mini-video { display: none; }
/* En teléfonos y en horizontal, el reproductor no aparece hasta que se pide la intro. */
@media (max-width: 719px), (max-height: 500px) { .mini[data-state="idle"] { display: none; } }

.mini-video iframe { width: 100%; height: 100%; border: 0; }

/* ---------- Pie ---------- */
.foot { position: relative; z-index: 2; padding: 32px var(--gutter) calc(32px + env(safe-area-inset-bottom)); color: var(--muted); font-size: .82rem; border-top: 1px solid var(--line); background: #060818f2; }
.foot p { margin: 0 0 .5rem; max-width: 60rem; }
.foot-links a { color: var(--text); }

/* ---------- Tablet y escritorio: rejilla de 12 columnas ---------- */
@media (min-width: 720px) {
  .chapter { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: clamp(16px, 2vw, 32px); }
  .slot { grid-row: 1; position: sticky; top: 64px; height: calc(100svh - 80px); align-self: start; }
  .copy { grid-row: 1; align-self: center; padding: 16svh 0; }
  .chapter[data-side="right"] .slot { grid-column: 8 / 13; }
  .chapter[data-side="right"] .copy { grid-column: 1 / 8; }
  .chapter[data-side="left"] .slot { grid-column: 1 / 6; }
  .chapter[data-side="left"] .copy { grid-column: 6 / 13; }
  .hero { min-height: 100svh; padding-top: 0; }
  .hero .slot { height: calc(100svh - 80px); }
  .hero .copy { padding: 110px 0 120px; }
  h1.display { font-size: clamp(2.6rem, 5vw, 5.2rem); }
  .h-giant { font-size: 1.32em; letter-spacing: -.045em; }
  .steps { grid-auto-flow: row; grid-template-columns: repeat(4, 1fr); overflow: visible; }
  .feats { grid-template-columns: repeat(2, 1fr); }
  .feat.wide { grid-column: 1 / -1; }
  .stats { grid-template-columns: repeat(4, 1fr); }
  /* Anatomía: escenario fijo con el modelo al centro y tarjetas a los lados. */
  .anatomy { display: block; min-height: 230svh; }
  .anat-stage { position: sticky; top: 0; height: 100svh; padding: 76px 0 24px; grid-template-columns: minmax(0, 1fr) minmax(300px, 36vw) minmax(0, 1fr); grid-template-rows: auto 1fr; column-gap: 24px; row-gap: 10px; }
  .anat-head { grid-column: 1 / -1; grid-row: 1; text-align: center; justify-items: center; }
  .anat-head .kicker { justify-content: center; }
  .anat-head .title { font-size: clamp(1.6rem, 3.4vw, 2.8rem); }
  .anat-head .sub { font-size: .92rem; }
  .slot-center { grid-column: 2; grid-row: 2; position: relative; top: 0; height: 100%; }
  .parts { grid-row: 2; grid-template-columns: 1fr; align-content: center; gap: 12px; }
  .parts-left { grid-column: 1; }
  .parts-right { grid-column: 3; }
  .parts-left .part-card { text-align: right; justify-items: end; }
  .ocean { grid-template-rows: auto auto; }
  .ocean .slot { grid-column: 1 / -1; grid-row: 1; position: relative; top: 0; height: 56svh; }
  .ocean .copy { grid-column: 2 / 12; grid-row: 2; padding: 0 0 14svh; }
  .slot-lineup { grid-column: 6 / 13 !important; }
  #versiones .copy { grid-column: 1 / 6 !important; }
  .mini { left: auto; right: 16px; bottom: 16px; margin: 0; width: auto; max-width: none; justify-items: end; }
  .foot { padding-bottom: 32px; }
}
@media (min-width: 720px) and (max-height: 760px) { .parts .part-card span:last-child { display: none; } }

/* Movimiento reducido: todo estático y legible. */
@media (prefers-reduced-motion: reduce) {
  .mq-track { transform: none !important; flex-wrap: wrap; width: auto; justify-content: center; }
  .orb-cta { transform: none !important; }
  .orb-shine, .orb-cta .ripple { display: none; }
  .leaders path { transition: none; }
  .bw-fill { clip-path: none; }
}

/* ---------- Páginas de texto (privacidad) ---------- */
body.doc { overflow-x: hidden; }
.doc .nav { position: relative; }
.doc-body { max-width: 760px; margin: 0 auto; padding: 8px 24px 64px; }
.doc-body h1 { font-size: clamp(1.8rem, 5vw, 2.6rem); line-height: 1.1; margin: .5rem 0 1rem; }
.doc-body h2 { font-family: var(--display); letter-spacing: -.02em; font-size: 1.15rem; margin: 2rem 0 .5rem; }
.doc-body li { margin: .35rem 0; color: var(--muted); }
.doc-body li strong { color: var(--text); }
.doc-body a { color: var(--accent); }
.doc-body code { background: #ffffff14; padding: 0 .3rem; border-radius: 4px; }
.lead { color: var(--muted); }
.hint { margin: 0; color: var(--muted); font-size: .85rem; }

/* Tooltip propio: burbuja de vidrio oscuro con flecha. */
.tip { position: fixed; left: 0; top: 0; z-index: 30; max-width: 240px; padding: 8px 12px; border-radius: 10px; font-size: .8rem; font-weight: 600; color: var(--text);
  background: rgba(14, 12, 28, .94); border: 1px solid var(--line); box-shadow: 0 8px 24px -8px #000; pointer-events: none; opacity: 0; transition: opacity .18s; }
.tip.on { opacity: 1; }
.tip::after { content: ""; position: absolute; left: var(--ax, 50%); bottom: -6px; width: 10px; height: 10px; margin-left: -5px; background: inherit; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transform: rotate(45deg); }
.tip.below::after { bottom: auto; top: -6px; transform: rotate(225deg); }
@media (prefers-reduced-motion: reduce) { .tip { transition: none; } }

/* Ritmo de espaciado en múltiplos de 8 px. */
.ctas { gap: 12px; }
.hero-links { gap: 12px 24px; }
.head { gap: 12px; }
.kicker { gap: 8px; }
.chip, .link-arrow, .feat-link { gap: 8px; }
.btn, .link-arrow { min-height: 48px; }
.part-card, .step, .ver-card { padding: 16px; }
.feat, .demo { padding: 20px; }
.mini-bar { gap: 8px; }

/* Barra en teléfonos: marca y botón en una línea. */
.brand { white-space: nowrap; }
.nav-cta { white-space: nowrap; }
.nav-lang {
  min-width: 44px; min-height: 44px; padding: 0 .7rem; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .35);
  background: rgba(10, 8, 28, .45); color: #f4f1fa; font: inherit; font-weight: 700; font-size: .85rem; letter-spacing: .04em; cursor: pointer;
}
.nav-lang:hover { background: rgba(255, 255, 255, .14); }
.nav-lang:focus-visible { outline: 2px solid #c9a6ff; outline-offset: 2px; }
.nav nav { align-items: center; }
.hero .eyebrow { overflow-wrap: normal; word-break: keep-all; text-wrap: balance; }
.hero .eyebrow .nw { white-space: nowrap; }
@media (max-width: 719px) {
  .hero .eyebrow { font-size: .7rem; letter-spacing: .12em; line-height: 1.7; max-width: 100%; }
}
@media (max-width: 719px) {
  .brand { font-size: .84rem; gap: 8px; }
  .nav-cta { font-size: .8rem; padding: 0 14px; }
}
@media (max-width: 479px) { .brand img { width: 32px; height: 32px; } .nav { gap: 8px; } .nav nav { gap: 8px; } }

/* El lienzo 3D recibe el puntero donde no hay contenido (para girar el lightstick). */
main, main section, .anat-stage, .marquee { pointer-events: none; }
.copy, .anat-head, .parts, .marquee * { pointer-events: auto; }
.marquee * { pointer-events: none; }

/* Etiqueta flotante sobre cada versión en la ronda. */
.ver-tag { position: absolute; left: 0; top: 0; translate: -50% -100%; padding: 6px 12px; border-radius: 999px; font: 700 .78rem/1 var(--display); letter-spacing: -.01em;
  background: #0b0a18d8; border: 1px solid var(--line); color: var(--text); opacity: 0; transition: opacity .4s var(--ease), border-color .3s, background .3s; white-space: nowrap; }
.ver-tag.shown { opacity: 1; }
.ver-tag.hot { border-color: var(--a1); background: color-mix(in srgb, var(--a2) 40%, #0b0a18); }

/* Medidor de rendimiento (solo con ?debug=1). */
.perf { position: fixed; z-index: 40; left: 8px; top: 64px; margin: 0; padding: 8px 10px; border-radius: 8px; background: #000c; color: #7fffb0; font: 12px/1.4 ui-monospace, monospace; pointer-events: none; }

/* Auditoría UX: cabecera con fondo real (L-01), texto protegido sobre la escena (L-02, L-03, L-12, L-04),
   reproductor que no tapa contenido (#2). */
.landing .nav { transition: background .3s, border-color .3s; border-bottom: 1px solid transparent; }
.landing .nav.scrolled { background: rgba(6, 8, 24, .86); backdrop-filter: blur(14px) saturate(140%); -webkit-backdrop-filter: blur(14px) saturate(140%); border-bottom-color: rgba(255, 255, 255, .08); }
.landing .nav .brand, .landing .nav nav a:not(.nav-cta) { color: #f4f1fa; text-shadow: 0 1px 8px rgba(6, 8, 24, .9); }
section[id], #contenido { scroll-margin-top: 76px; }
.lead, .sub, .copy p, .caption, .orb-micro, .hero-facts { text-shadow: 0 1px 2px #000, 0 0 18px rgba(6, 8, 24, .9); }
.chapter .grad, .anat-head .grad { filter: drop-shadow(0 2px 12px rgba(6, 8, 24, .85)); }
.copy::before { background: radial-gradient(70% 65% at 45% 50%, rgba(6, 8, 24, .82), transparent 78%); }
.ocean .copy::before { inset: -4% -6%; background: radial-gradient(70% 70% at 50% 60%, rgba(6, 8, 24, .86), transparent 80%); }
.anat-head { position: relative; }
.anat-head::before { content: ""; position: absolute; inset: -10px -20px; z-index: -1; background: radial-gradient(60% 80% at 50% 50%, rgba(6, 8, 24, .8), transparent 80%); pointer-events: none; }
.mk i { background: #ece2ff; color: #14072b; border-color: #fff; }
.hero-facts li i { font-style: normal; color: #8ff5d2; margin-right: 6px; }
.mini-label { color: #d8d2ea; }
@media (max-width: 719px) {
  /* Solo se reserva espacio para el mini reproductor fijo cuando de verdad está en pantalla. */
  body.landing:has(.mini:not([data-state="idle"])) .foot { padding-bottom: calc(96px + env(safe-area-inset-bottom)); }
  .mini { padding: 4px; border-radius: 16px; }
  .mini[data-state="collapsed"] .mini-label { display: none; }
}
@media (max-height: 500px) {
  .mini { left: auto; right: 8px; bottom: 8px; max-width: 320px; }
  .mini[data-state="expanded"] .mini-video { position: absolute; right: 0; bottom: calc(100% + 8px); }
}

/* ---------- Accesibilidad visual (A-06, A-22) ---------- */
/* Movimiento reducido: ningún texto queda oculto o desplazado por una entrada de GSAP (aunque el ajuste
   cambie con la página abierta o el script falle a medias). !important gana a los estilos en línea de GSAP. */
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-up, .reveal-up > *, .kt .c { opacity: 1 !important; transform: none !important; filter: none !important; }
}

/* Más contraste: superficies opacas, bordes visibles (≥ 3:1) y enlaces subrayados. */
@media (prefers-contrast: more) {
  :root { --muted: #e4dff0; --line: rgba(255, 255, 255, .5); --card: #120f24; --glass: #100e20; }
  .part-card, .step, .ver-card, .feat, .chip, .mock-btn, .btn, .mini, .tip, .ver-tag { border-color: rgba(255, 255, 255, .55); }
  .part-card, .step, .ver-card, .feat, .tip, .ver-tag { background: #120f24; }
  .mini, .landing .nav.scrolled { background: #0d0b1c; backdrop-filter: none; -webkit-backdrop-filter: none; }
  .copy a:not(.btn):not(.orb-cta):not(.feat-link), .foot a, .doc-body a { text-decoration: underline; text-underline-offset: 3px; }
  .chip[aria-pressed="true"], .mock-btn[aria-pressed="true"], .btn[aria-pressed="true"] { outline: 2px solid var(--a1); outline-offset: 2px; }
}

/* Colores forzados (Contraste alto de Windows): el navegador quita fondos y sombras, así que el foco, los
   estados y los límites de las tarjetas se dibujan con bordes y colores del sistema. */
@media (forced-colors: active) {
  :focus-visible { outline: 3px solid Highlight !important; outline-offset: 2px; }
  .part-card, .step, .ver-card, .feat, .chip, .mock-btn, .btn, .mini, .mini-btn, .mini-play, .tip, .ver-tag, .nav-cta, .rt-pad { border: 1px solid CanvasText; }
  .landing .nav, .landing .nav.scrolled { border-bottom: 1px solid CanvasText; }
  .part-card.is-hot, .step.is-hot, .ver-card.is-hot { border: 2px solid Highlight; }
  /* Estados pulsado/activado: fondo del sistema, que sí se conserva con forced-color-adjust: none. */
  [aria-pressed="true"], [aria-checked="true"] { forced-color-adjust: none; background: Highlight !important; color: HighlightText !important; border-color: Highlight; outline: 2px solid CanvasText; outline-offset: 1px; }
  /* Interruptor del modo seguro: pista con borde y bolita visible en ambos estados. */
  .ms-toggle { forced-color-adjust: none; border: 2px solid ButtonText; background: ButtonFace; }
  .ms-toggle b { background: ButtonText; }
  .ms-toggle[aria-checked="true"] { background: Highlight !important; border-color: Highlight; }
  .ms-toggle[aria-checked="true"] b { background: HighlightText; }
  /* Las muestras de color son contenido (qué color elige cada chip, partes de la canción). */
  .chip i, .mv-segs i { forced-color-adjust: none; outline: 1px solid CanvasText; }
  .mv-head { forced-color-adjust: none; background: CanvasText; }
  .grad, .kt .grad .c { background: none !important; color: CanvasText !important; -webkit-text-fill-color: CanvasText; }
  .mq-outline { -webkit-text-stroke-color: CanvasText; }
}