/* Hackéalo — piel «ChatGPT» en oscuro: grafito y blanco, Inter, mucho aire, píldoras.
   Sólo oscuro (Ruben, 24-oct). Nada de la estructura de Tamizia: portada como chatgpt.com, fotos de cine y clips de Remotion.
   Vanilla, sin CDN, fuentes locales. */

@font-face { font-family: "Inter"; src: url("fonts/inter.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "JB Mono"; src: url("fonts/jetbrains-mono.woff2") format("woff2"); font-weight: 100 800; font-display: swap; }

:root {
  --bg: #0d0d0d;
  --bg-2: #171717;
  --surface: #212121;
  --surface-2: #2f2f2f;
  --txt: #ececec;
  --dim: #b4b4b4;
  --faint: #8a8a8a;
  --line: rgba(255,255,255,.10);
  --line-soft: rgba(255,255,255,.06);
  --blanco: #ffffff;
  --negro: #0d0d0d;
  --ok: #4ade80;
  --r-xl: 28px;
  --ancho: 1180px;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: "JB Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --suave: cubic-bezier(.16, 1, .3, 1);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--txt); font-family: var(--sans); font-size: 17px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -.03em; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.gris { color: var(--faint); }

/* ── Botones ─────────────────────────────────────────────────────────── */
.btn-blanco, .btn-borde, .btn-ghost {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 18px; border-radius: 999px; font-size: 14.5px; font-weight: 600;
  transition: transform .2s var(--suave), background .2s, opacity .2s;
}
.btn-blanco { background: var(--blanco); color: var(--negro); }
.btn-blanco:hover { opacity: .88; }
.btn-borde { border: 1px solid var(--line); color: var(--txt); }
.btn-borde:hover { background: var(--surface); }
.btn-ghost { color: var(--txt); }
.btn-ghost:hover { background: var(--surface); }

/* ── Menú ────────────────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 8px;
  padding: 12px clamp(16px, 3vw, 28px);
  background: rgba(13,13,13,.72);
  backdrop-filter: saturate(1.5) blur(16px); -webkit-backdrop-filter: saturate(1.5) blur(16px);
}
.marca { display: flex; align-items: center; gap: 9px; color: var(--txt); }
.marca .iso { width: 26px; height: 26px; }
.marca .palabra { font-family: var(--mono); font-weight: 700; font-size: 19px; letter-spacing: -.02em; display: inline-flex; align-items: center; }
.marca .cur { display: inline-block; width: .5em; height: .95em; margin-left: .07em; background: var(--txt); transform: translateY(.06em); animation: parpadeo 1.06s steps(1) infinite; }
@keyframes parpadeo { 50% { opacity: 0; } }
.enlaces { display: flex; gap: 2px; margin: 0 auto 0 20px; }
.enlaces a { padding: 8px 13px; border-radius: 999px; font-size: 14.5px; font-weight: 500; color: var(--dim); transition: background .2s, color .2s; }
.enlaces a:hover { background: var(--surface); color: var(--txt); }

/* ── Portada (chatgpt.com) ───────────────────────────────────────────── */
.hero {
  min-height: calc(92svh - 60px);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 40px 16px 64px; text-align: center;
}
.hero h1 { font-size: clamp(30px, 4.4vw, 44px); line-height: 1.15; letter-spacing: -.025em; font-weight: 500; margin-bottom: 30px; }

.composer {
  width: 100%; max-width: 768px;
  background: var(--surface);
  border-radius: var(--r-xl);
  padding: 14px 12px 12px 22px;
  box-shadow: 0 0 0 1px var(--line-soft), 0 12px 40px -16px rgba(0,0,0,.8);
  text-align: left;
  transition: box-shadow .25s;
}
.composer:focus-within { box-shadow: 0 0 0 1px var(--line), 0 12px 40px -16px rgba(0,0,0,.8); }
.composer textarea {
  width: 100%; resize: none; border: 0; outline: 0; background: transparent;
  color: var(--txt); font: 400 17px/1.5 var(--sans); padding: 6px 10px 6px 0; min-height: 34px;
}
.composer textarea::placeholder, .composer input::placeholder { color: var(--faint); }
.composer-pie { display: flex; align-items: center; gap: 6px; margin-top: 10px; margin-left: -10px; }
.ico-btn, .modo {
  height: 36px; border: 1px solid var(--line); background: transparent; color: var(--dim);
  border-radius: 999px; display: inline-flex; align-items: center; gap: 7px; cursor: pointer;
  font: 500 14px var(--sans); transition: background .2s, color .2s;
}
.ico-btn { width: 36px; justify-content: center; }
.modo { padding: 0 13px 0 10px; }
.ico-btn:hover, .modo:hover { background: var(--surface-2); color: var(--txt); }
.ico-btn svg, .modo svg, .sug svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.enviar {
  margin-left: auto; width: 36px; height: 36px; border: 0; border-radius: 50%;
  background: var(--blanco); color: var(--negro); display: grid; place-items: center; cursor: pointer;
  transition: transform .2s var(--suave), opacity .2s;
}
.enviar svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2.4; stroke-linecap: round; stroke-linejoin: round; }
.enviar:hover { opacity: .85; }
.enviar:active { transform: scale(.94); }

.sugs { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 18px; max-width: 768px; }
.sug {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 15px; border-radius: 999px; border: 1px solid var(--line);
  background: transparent; color: var(--dim); font: 500 14.5px var(--sans); cursor: pointer;
  transition: background .2s, color .2s;
}
.sug:hover { background: var(--surface); color: var(--txt); }
.letra-peq { margin: 26px 0 0; font-size: 13px; color: var(--faint); }

/* ── Foto de cine ────────────────────────────────────────────────────── */
.cine { position: relative; margin: 0 clamp(8px, 1.4vw, 20px); border-radius: 32px; overflow: hidden; min-height: min(78vh, 760px); display: flex; align-items: center; }
.cine img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 70% 50%; transform: scale(1.06); transition: transform 2.4s var(--suave); }
.cine.visto img { transform: scale(1); }
.cine::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(0,0,0,.75) 0%, rgba(0,0,0,.35) 45%, transparent 75%); }
.cine-txt { position: relative; z-index: 1; max-width: 720px; padding: clamp(28px, 6vw, 80px); }
.cine h2 { font-size: clamp(32px, 4.2vw, 54px); line-height: 1.06; }
.cine-txt p:last-child { color: var(--dim); font-size: 18px; margin: 22px 0 0; max-width: 500px; }

/* ── Bloques ─────────────────────────────────────────────────────────── */
.bloque { max-width: var(--ancho); margin: 0 auto; padding: clamp(90px, 13vh, 150px) 20px 0; }
.bloque.estrecho { max-width: 820px; }
.cabeza { text-align: center; margin-bottom: clamp(44px, 7vh, 72px); }
.eyebrow { margin: 0 0 14px; font: 500 13px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--faint); }
.cabeza h2 { font-size: clamp(30px, 4.2vw, 50px); line-height: 1.08; }

/* Pasos: texto + clip, alternando lado */
.paso { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(28px, 5vw, 72px); align-items: center; margin-bottom: clamp(70px, 11vh, 120px); }
.paso-rev .paso-txt { order: 2; }
.num { font: 500 14px var(--mono); color: var(--faint); }
.paso h3 { font-size: clamp(26px, 3vw, 36px); line-height: 1.12; margin: 10px 0 14px; }
.paso-txt > p { color: var(--dim); margin: 0; }
.clip { margin: 0; border-radius: 24px; overflow: hidden; background: #121212; aspect-ratio: 1280 / 800; box-shadow: 0 0 0 1px var(--line-soft), 0 40px 80px -40px rgba(0,0,0,.9); }
.clip video { width: 100%; height: 100%; object-fit: cover; }

.ticks { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 10px; font-size: 15.5px; color: var(--txt); }
.ticks li { display: flex; gap: 11px; align-items: baseline; }
.ticks li::before { content: ""; flex: none; width: 15px; height: 15px; transform: translateY(2px);
  background: var(--ok); -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7'/%3E%3C/svg%3E") center/contain no-repeat; }

/* Tarjetas con foto */
.rejilla-fotos { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.rejilla-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.foto-card { position: relative; border-radius: 26px; overflow: hidden; aspect-ratio: 3 / 2; background: var(--bg-2); isolation: isolate; }
.foto-card.alta { aspect-ratio: 4 / 5; }
.foto-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform 1.2s var(--suave); }
.foto-card:hover img { transform: scale(1.04); }
.foto-card::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, transparent 35%, rgba(0,0,0,.85) 100%); }
.foto-card > div { position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 28px; }
.foto-card h3 { font-size: 24px; }
.foto-card p { margin: 6px 0 0; color: var(--dim); font-size: 15.5px; max-width: 420px; }

/* Cifras */
.cifras { max-width: var(--ancho); margin: clamp(90px, 13vh, 150px) auto 0; padding: 0 20px; display: grid; grid-template-columns: repeat(4, 1fr); }
.cifras div { padding: 8px 24px; border-left: 1px solid var(--line); }
.cifras div:first-child { border-left: 0; }
.cifras b { display: block; font-size: clamp(36px, 4.6vw, 56px); font-weight: 600; letter-spacing: -.04em; line-height: 1.05; }
.cifras span { color: var(--faint); font-size: 15px; }

/* Precios */
.planes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.plan { position: relative; background: var(--bg-2); border-radius: 26px; padding: 30px 28px; box-shadow: 0 0 0 1px var(--line-soft); display: flex; flex-direction: column; }
.plan-dest { background: var(--surface); box-shadow: 0 0 0 1px var(--line); }
.etiqueta { position: absolute; top: 28px; right: 26px; font-size: 12.5px; font-weight: 600; padding: 4px 10px; border-radius: 99px; background: var(--surface-2); color: var(--txt); }
.plan h3 { font-size: 22px; }
.precio { margin: 16px 0 0; display: flex; align-items: baseline; gap: 8px; }
.precio b { font-size: 40px; letter-spacing: -.035em; font-weight: 600; }
.precio span { color: var(--faint); font-size: 15px; }
.plan-desc { color: var(--dim); font-size: 15.5px; margin: 10px 0 22px; min-height: 3.1em; }
.plan .btn-blanco, .plan .btn-borde { padding: 12px 18px; }
.plan .ticks { border-top: 1px solid var(--line-soft); padding-top: 22px; margin-top: 24px; }

/* Preguntas */
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 22px 40px 22px 0; font-size: 18.5px; font-weight: 500; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 6px; top: 50%; width: 11px; height: 11px; border-right: 2px solid var(--faint); border-bottom: 2px solid var(--faint); transform: translateY(-70%) rotate(45deg); transition: transform .3s var(--suave); }
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq details p { margin: -6px 0 22px; color: var(--dim); max-width: 680px; }

/* Cierre */
.cierre { position: relative; margin: clamp(100px, 14vh, 160px) clamp(8px, 1.4vw, 20px) 0; border-radius: 32px; overflow: hidden; min-height: 520px; display: grid; place-items: center; text-align: center; isolation: isolate; }
.cierre img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.cierre::after { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(ellipse 60% 70% at 50% 50%, rgba(0,0,0,.7), rgba(0,0,0,.45)); }
.cierre-txt { padding: 60px 20px; width: 100%; display: flex; flex-direction: column; align-items: center; }
.cierre h2 { font-size: clamp(32px, 4.8vw, 58px); line-height: 1.06; }
.composer-mini { display: flex; align-items: center; max-width: 520px; margin-top: 34px; padding: 8px 8px 8px 22px; background: rgba(33,33,33,.85); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.composer-mini input { flex: 1; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--txt); font: 400 17px var(--sans); padding: 8px 0; }
.composer-mini .enviar { width: 40px; height: 40px; }

/* Pie */
.pie { max-width: var(--ancho); margin: 0 auto; padding: 60px 20px 50px; display: flex; flex-wrap: wrap; align-items: center; gap: 14px 28px; color: var(--faint); font-size: 14px; }
.pie nav { margin-left: auto; display: flex; gap: 22px; }
.pie a:hover { color: var(--txt); }

/* ── Entrada al hacer scroll ─────────────────────────────────────────── */
.entra { opacity: 0; transform: translateY(26px); transition: opacity .9s var(--suave), transform .9s var(--suave); }
.entra.visto { opacity: 1; transform: none; }
.rejilla-fotos .entra:nth-child(2), .rejilla-3 .entra:nth-child(2), .planes .entra:nth-child(2) { transition-delay: .08s; }
.rejilla-fotos .entra:nth-child(3), .rejilla-3 .entra:nth-child(3), .planes .entra:nth-child(3) { transition-delay: .16s; }
.rejilla-fotos .entra:nth-child(4) { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) {
  .entra, .cine img { transition: none; opacity: 1; transform: none; }
  .marca .cur { animation: none; }
}

/* ── Móvil ───────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .enlaces { display: none; }
  .btn-ghost { margin-left: auto; }
  .paso { grid-template-columns: 1fr; }
  .paso-rev .paso-txt { order: 0; }
  .rejilla-3, .planes { grid-template-columns: 1fr; }
  .foto-card.alta { aspect-ratio: 3 / 2; }
  .cifras { grid-template-columns: repeat(2, 1fr); row-gap: 30px; }
  .cifras div:nth-child(3) { border-left: 0; }
}
@media (max-width: 600px) {
  .rejilla-fotos { grid-template-columns: 1fr; }
  .cine { min-height: 560px; align-items: flex-end; }
  .cine::after { background: linear-gradient(180deg, transparent 20%, rgba(0,0,0,.85) 75%); }
  .btn-ghost { display: none; }
  .btn-blanco { margin-left: auto; }
  .nav .btn-blanco { padding: 9px 15px; }
  .pie nav { margin-left: 0; }
}

/* ── Sin fotos (Ruben, 24-oct: «cosas reales quedan mal») ─────────────── */
.manifiesto { position: relative; max-width: 980px; margin: 0 auto; padding: clamp(80px, 12vh, 140px) 20px; text-align: center; isolation: isolate; }
.manifiesto::before { content: ""; position: absolute; inset: 10% 15%; z-index: -1; background: radial-gradient(ellipse at 50% 50%, rgba(255,255,255,.07), transparent 65%); filter: blur(20px); }
.manifiesto h2 { font-size: clamp(36px, 5.4vw, 68px); line-height: 1.04; }
.manifiesto > p:last-child { color: var(--dim); font-size: 19px; max-width: 620px; margin: 26px auto 0; }

.ui-card { position: relative; border-radius: 26px; background: var(--bg-2); box-shadow: 0 0 0 1px var(--line-soft); padding: 26px 26px 28px; display: flex; flex-direction: column; gap: 24px; overflow: hidden; isolation: isolate; }
.ui-card::before { content: ""; position: absolute; left: 50%; top: -40%; width: 120%; height: 80%; transform: translateX(-50%); z-index: -1; background: radial-gradient(ellipse at 50% 100%, rgba(255,255,255,.06), transparent 60%); }
.ui-card h3 { font-size: 24px; }
.ui-card p { margin: 6px 0 0; color: var(--dim); font-size: 15.5px; }
.mini { background: var(--surface); border-radius: 18px; box-shadow: 0 0 0 1px var(--line-soft), 0 24px 48px -24px rgba(0,0,0,.9); overflow: hidden; transition: transform .6s var(--suave); }
.ui-card:hover .mini { transform: translateY(-4px); }
.mini-cab { display: flex; align-items: center; gap: 6px; padding: 12px 16px; border-bottom: 1px solid var(--line-soft); }
.mini-cab .pt { width: 9px; height: 9px; border-radius: 50%; background: var(--surface-2); }
.mini-tit { margin-left: 10px; font: 500 13px var(--mono); color: var(--faint); }
.mini ul { list-style: none; margin: 0; padding: 8px 0; }
.mini li { display: flex; align-items: center; gap: 12px; padding: 10px 16px; font-size: 14.5px; }
.mini em { margin-left: auto; font-style: normal; font-size: 12.5px; font-weight: 600; padding: 3px 9px; border-radius: 99px; background: rgba(74,222,128,.12); color: var(--ok); white-space: nowrap; }
.mini li:last-child em { background: var(--surface-2); color: var(--dim); }
.sev { flex: none; width: 8px; height: 8px; border-radius: 50%; }
.sev-r { background: #ff6b61; } .sev-a { background: #ffb44d; } .sev-m { background: var(--faint); }
/* las filas se van «parcheando» una tras otra al aparecer la tarjeta */
.ui-card.entra .mini em { opacity: 0; transform: scale(.85); transition: opacity .5s var(--suave), transform .5s var(--suave); }
.ui-card.visto .mini li:nth-child(1) em { transition-delay: .5s; }
.ui-card.visto .mini li:nth-child(2) em { transition-delay: .8s; }
.ui-card.visto .mini li:nth-child(3) em { transition-delay: 1.1s; }
.ui-card.visto .mini em { opacity: 1; transform: none; }

.txt-card { border-radius: 26px; background: var(--bg-2); box-shadow: 0 0 0 1px var(--line-soft); padding: 30px 28px 32px; display: flex; flex-direction: column; min-height: 260px; }
.txt-card > div { margin-top: auto; }
.txt-card h3 { font-size: 26px; }
.txt-card p { margin: 8px 0 0; color: var(--dim); font-size: 15.5px; }

.cierre { background: var(--bg-2); box-shadow: 0 0 0 1px var(--line-soft); }
.cierre::after { background: radial-gradient(ellipse 50% 60% at 50% 100%, rgba(255,255,255,.08), transparent 70%); }
@media (max-width: 900px) { .txt-card { min-height: 0; } }

/* ── Enfoque chat (24-oct): verificación en «Cómo funciona» y 4 planes ── */
.verif { display: grid; place-items: center; padding: 28px; background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(255,255,255,.06), transparent 70%), #121212; }
.verif-chat { width: 100%; max-width: 520px; display: flex; flex-direction: column; gap: 18px; font-size: 15px; }
.burbuja-u { align-self: flex-end; background: var(--surface-2); padding: 10px 16px; border-radius: 20px; }
.resp { display: flex; gap: 12px; align-items: flex-start; }
.iso-r { flex: none; font: 700 13px var(--mono); width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; box-shadow: 0 0 0 1px var(--line); }
.resp p { margin: 4px 0 10px; color: var(--txt); }
.resp code { display: block; font: 500 13.5px var(--mono); background: var(--surface); border-radius: 12px; padding: 12px 14px; color: var(--dim); box-shadow: 0 0 0 1px var(--line-soft); }
.verif-ok { margin-top: 12px; display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 600; color: var(--ok); background: rgba(74,222,128,.1); padding: 6px 12px; border-radius: 99px; opacity: 0; transform: translateY(6px); transition: opacity .6s var(--suave) 1.2s, transform .6s var(--suave) 1.2s; }
.paso.visto .verif-ok { opacity: 1; transform: none; }
.dot-ok { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); }
.planes-4 { grid-template-columns: repeat(4, 1fr); }
.nota-precios { text-align: center; color: var(--faint); font-size: 14px; margin: 26px 0 0; }
@media (max-width: 1100px) { .planes-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .planes-4 { grid-template-columns: 1fr; } }

/* ════════════════════════════════════════════════════════════════════════
   v7 (24-oct) — misterio: grano, viñetas, luz que se filtra, fotos B/N,
   menú en píldora de cristal y transiciones al hacer scroll. Vanilla.
   ════════════════════════════════════════════════════════════════════════ */
:root { --cristal: rgba(18,18,18,.55); --brillo: rgba(255,255,255,.9); }
::selection { background: #fff; color: #000; }
body { overflow-x: clip; }

/* Grano de película: una capa fija que tiembla a saltos (sólo transform) */
.grano { position: fixed; inset: -60%; z-index: 90; pointer-events: none; opacity: .05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 1.4 -.25'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grano 1s steps(6) infinite; will-change: transform; }
@keyframes grano {
  0% { transform: translate(0,0); } 17% { transform: translate(-4%,3%); } 33% { transform: translate(3%,-5%); }
  50% { transform: translate(-6%,-2%); } 67% { transform: translate(5%,4%); } 83% { transform: translate(-2%,6%); } 100% { transform: translate(0,0); }
}

/* ── Menú: píldora de cristal flotante ───────────────────────────────── */
.nav {
  position: fixed; top: 14px; left: 50%; transform: translateX(-50%);
  width: min(1120px, calc(100% - 24px)); padding: 7px 7px 7px 18px; gap: 6px;
  border-radius: 999px; background: rgba(13,13,13,.28);
  backdrop-filter: saturate(1.4) blur(18px); -webkit-backdrop-filter: saturate(1.4) blur(18px);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.07), 0 10px 40px -18px rgba(0,0,0,.9);
  transition: width .6s var(--suave), top .6s var(--suave), background .5s, box-shadow .5s, padding .6s var(--suave);
}
.nav::before { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,.06), transparent 60%); }
.nav.compacta { top: 10px; width: min(900px, calc(100% - 24px)); background: rgba(10,10,10,.78);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.1), 0 18px 50px -20px rgba(0,0,0,1); }
.marca .iso { transition: transform .5s var(--suave); }
.marca:hover .iso { transform: rotate(-8deg) scale(1.06); }
.enlaces { position: relative; margin: 0 auto; }
.enlaces a { position: relative; z-index: 1; background: transparent !important; }
.enlaces a::after { content: ""; position: absolute; left: 50%; bottom: 5px; width: 0; height: 1px; background: currentColor; transform: translateX(-50%); transition: width .35s var(--suave); }
.enlaces a:hover { color: #fff; text-shadow: 0 0 14px rgba(255,255,255,.55); }
.enlaces a:hover::after { width: 40%; }
.enlaces a.activo { color: #fff; }
.enlaces .ind { position: absolute; z-index: 0; top: 0; left: 0; height: 100%; border-radius: 999px; pointer-events: none;
  background: rgba(255,255,255,.07); box-shadow: inset 0 0 0 1px rgba(255,255,255,.08);
  opacity: 0; transition: transform .5s var(--suave), width .5s var(--suave), opacity .3s; }
.enlaces .ind::after { content: ""; position: absolute; left: 50%; bottom: -8px; width: 18px; height: 2px; margin-left: -9px; border-radius: 2px; background: #fff; box-shadow: 0 0 10px 1px rgba(255,255,255,.7); }
.enlaces.con-ind .ind { opacity: 1; }

/* Botón blanco con brillo que lo recorre */
.btn-blanco { position: relative; overflow: hidden; isolation: isolate; box-shadow: 0 0 0 1px rgba(255,255,255,.4), 0 6px 24px -8px rgba(255,255,255,.35); }
.btn-blanco::after { content: ""; position: absolute; top: 0; bottom: 0; left: -60%; width: 45%; z-index: -1;
  background: linear-gradient(100deg, transparent, rgba(0,0,0,.14) 45%, rgba(0,0,0,.02) 55%, transparent);
  transform: skewX(-20deg); animation: barrido 4.2s var(--suave) infinite; }
.btn-blanco:hover { opacity: 1; transform: translateY(-1px); box-shadow: 0 0 0 1px #fff, 0 10px 34px -8px rgba(255,255,255,.55); }
@keyframes barrido { 0%, 55% { left: -60%; } 100% { left: 130%; } }
.btn-borde { position: relative; transition: background .25s, border-color .25s, box-shadow .25s; }
.btn-borde:hover { border-color: rgba(255,255,255,.35); box-shadow: 0 0 22px -6px rgba(255,255,255,.3); }

/* ── Portada: foto en negro, velo, luz que respira ───────────────────── */
.hero { position: relative; isolation: isolate; min-height: 100svh; padding-top: 110px; overflow: hidden; }
.hero-fondo { position: absolute; inset: 0; z-index: -2; overflow: hidden; }
.hero-fondo img { position: absolute; left: 0; top: -8%; width: 100%; height: 116%; object-fit: cover; opacity: .55; filter: contrast(1.2) brightness(.85); will-change: transform; }
.hero-fondo::after { content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 55% 45% at 50% 52%, rgba(13,13,13,.55), transparent 70%),
    radial-gradient(ellipse 120% 90% at 50% 40%, transparent 35%, rgba(13,13,13,.92) 80%),
    linear-gradient(180deg, rgba(13,13,13,.75) 0%, transparent 25%, transparent 60%, var(--bg) 100%); }
.respira { position: absolute; z-index: -1; left: 50%; top: 50%; width: min(1100px, 140vw); aspect-ratio: 2 / 1; margin: calc(min(1100px, 140vw) / -4) 0 0 calc(min(1100px, 140vw) / -2);
  background: radial-gradient(ellipse 50% 50% at 50% 50%, rgba(255,255,255,.11), rgba(255,255,255,.03) 45%, transparent 70%);
  animation: respira 7s ease-in-out infinite; pointer-events: none; }
@keyframes respira { 0%, 100% { opacity: .55; transform: scale(.92); } 50% { opacity: 1; transform: scale(1.06); } }
.haz { position: absolute; z-index: -1; top: -20%; left: 58%; width: 26vw; height: 140%; pointer-events: none; transform: rotate(18deg);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.05) 40%, rgba(255,255,255,.08) 50%, rgba(255,255,255,.04) 60%, transparent);
  filter: blur(18px); animation: haz 11s ease-in-out infinite; }
@keyframes haz { 0%, 100% { opacity: .35; transform: rotate(18deg) translateX(0); } 50% { opacity: 1; transform: rotate(18deg) translateX(-4vw); } }
.hero-meta { font: 500 12px var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--faint); margin: 0 0 22px; display: inline-flex; gap: 10px; align-items: center; }
.hero-meta .rec { width: 7px; height: 7px; border-radius: 50%; background: #fff; box-shadow: 0 0 10px #fff; animation: parpadeo 1.6s steps(1) infinite; }
.hero h1 { font-size: clamp(32px, 5vw, 56px); font-weight: 500; letter-spacing: -.035em; text-shadow: 0 2px 30px rgba(0,0,0,.6); }
.composer { position: relative; background: rgba(33,33,33,.82); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 0 0 1px rgba(255,255,255,.09), 0 30px 80px -30px rgba(0,0,0,1), 0 0 80px -30px rgba(255,255,255,.12); }
.composer:focus-within { box-shadow: 0 0 0 1px rgba(255,255,255,.22), 0 30px 80px -30px rgba(0,0,0,1), 0 0 90px -20px rgba(255,255,255,.2); }
.composer .campo { position: relative; }
.fantasma { position: absolute; left: 0; top: 6px; right: 10px; pointer-events: none; color: var(--faint); font: 400 17px/1.5 var(--sans); white-space: nowrap; overflow: hidden; text-overflow: clip; }
.fantasma.oculto { display: none; }
.fantasma .t-mono { font-family: var(--mono); font-size: 16px; color: var(--dim); }
.bloque-cur { display: inline-block; width: .55em; height: 1.08em; vertical-align: -.2em; margin-left: 2px; background: var(--txt); animation: parpadeo 1.06s steps(1) infinite; }
.sug { background: rgba(13,13,13,.35); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); transition: background .25s, color .25s, border-color .25s, transform .25s var(--suave); }
.sug:hover { border-color: rgba(255,255,255,.3); transform: translateY(-1px); }
.bajar { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); font: 500 11px var(--mono); letter-spacing: .2em; color: var(--faint); text-transform: uppercase; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.bajar::after { content: ""; width: 1px; height: 38px; background: linear-gradient(180deg, rgba(255,255,255,.7), transparent); animation: gota 2.2s var(--suave) infinite; transform-origin: top; }
@keyframes gota { 0% { transform: scaleY(0); opacity: 1; } 70% { transform: scaleY(1); opacity: 1; } 100% { transform: scaleY(1); opacity: 0; } }

/* ── Titulares que se revelan por palabras (máscara) ─────────────────── */
.pal { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .08em; margin-bottom: -.08em; }
.pal > i { display: inline-block; font-style: normal; transform: translateY(105%); transition: transform 1s var(--suave); transition-delay: calc(var(--i, 0) * 55ms); }
.revela.visto .pal > i, .visto .revela .pal > i { transform: none; }

/* Entrada: desenfoque → nitidez, escalonada */
.entra { filter: blur(10px); transition: opacity 1s var(--suave), transform 1s var(--suave), filter 1s var(--suave); }
.entra.visto { filter: none; }
.planes .entra:nth-child(4) { transition-delay: .24s; }

/* Eyebrow en mono con el prompt delante */
.eyebrow { color: var(--dim); }
.eyebrow::before { content: "> "; color: var(--faint); }
.eyebrow .dec { display: inline-block; }

/* ── Línea fina que cae al entrar en cada bloque ─────────────────────── */
.bloque { position: relative; }
.bloque::before { content: ""; position: absolute; top: clamp(20px, 4vh, 40px); left: 50%; width: 1px; height: clamp(46px, 7vh, 80px);
  background: linear-gradient(180deg, transparent, rgba(255,255,255,.55)); transform: scaleY(0); transform-origin: top; transition: transform 1.4s var(--suave); }
.bloque.visto::before { transform: scaleY(1); }

/* ── Manifiesto con foto ─────────────────────────────────────────────── */
.manifiesto { max-width: none; margin: 0; min-height: 88vh; display: flex; flex-direction: column; align-items: center; justify-content: center; overflow: hidden; }
.manifiesto > * { max-width: 980px; }
.manifiesto::before { display: none; }
.foto-fondo { position: absolute; inset: 0; z-index: -1; overflow: hidden;
  -webkit-mask: linear-gradient(180deg, transparent, #000 22%, #000 78%, transparent); mask: linear-gradient(180deg, transparent, #000 22%, #000 78%, transparent); }
.foto-fondo img { position: absolute; left: 0; top: -12%; width: 100%; height: 124%; object-fit: cover; opacity: .5; will-change: transform; }
.foto-fondo::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 60% 55% at 50% 50%, rgba(13,13,13,.78), rgba(13,13,13,.35) 75%), radial-gradient(ellipse 100% 100% at 50% 50%, transparent 50%, rgba(13,13,13,.9)); }
.manifiesto.entra { filter: none; transform: none; opacity: 1; }
.manifiesto h2 { text-shadow: 0 2px 18px rgba(0,0,0,.7); }

/* ── Bandas a sangre entre secciones ─────────────────────────────────── */
.banda { position: relative; height: clamp(320px, 62vh, 620px); margin-top: clamp(80px, 12vh, 140px); overflow: hidden; isolation: isolate;
  -webkit-mask: linear-gradient(180deg, transparent, #000 18%, #000 82%, transparent); mask: linear-gradient(180deg, transparent, #000 18%, #000 82%, transparent); }
.banda img { position: absolute; left: 0; top: -15%; width: 100%; height: 130%; object-fit: cover; opacity: .72; filter: contrast(1.1); will-change: transform; }
.banda::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 85% 85% at 50% 50%, transparent 40%, rgba(13,13,13,.85)); }
.banda-txt { position: absolute; z-index: 1; left: clamp(20px, 6vw, 80px); bottom: 22%; font: 500 12.5px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.75); }
.banda-txt b { display: block; font: 600 clamp(22px, 3vw, 34px)/1.15 var(--sans); letter-spacing: -.02em; text-transform: none; color: #fff; margin-top: 10px; max-width: 520px; text-shadow: 0 2px 24px rgba(0,0,0,.8); }
.banda-dcha .banda-txt { left: auto; right: clamp(20px, 6vw, 80px); text-align: right; }
.banda-dcha .banda-txt b { margin-left: auto; }

/* ── Spotlight que sigue al ratón + tilt sutil ───────────────────────── */
.foco { --mx: 50%; --my: 50%; }
.foco::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: 2; padding: 1px; opacity: 0; transition: opacity .4s;
  background: radial-gradient(260px circle at var(--mx) var(--my), rgba(255,255,255,.55), transparent 60%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0); }
.foco:hover::after { opacity: 1; }
.ui-card.foco, .txt-card.foco, .plan.foco { background: radial-gradient(420px circle at var(--mx) var(--my), rgba(255,255,255,.055), transparent 45%), var(--bg-2); }
.plan-dest.foco { background: radial-gradient(420px circle at var(--mx) var(--my), rgba(255,255,255,.07), transparent 45%), var(--surface); }
.txt-card, .plan { position: relative; }
.clip { position: relative; }
.tilt.visto { transform: perspective(1000px) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg)); transition: opacity 1s var(--suave), filter 1s var(--suave), transform .5s var(--suave); }

/* Tarjetas con algo más de carácter */
.ui-card, .txt-card, .plan { box-shadow: inset 0 0 0 1px var(--line-soft), 0 30px 60px -40px rgba(0,0,0,1); }
.num { letter-spacing: .08em; }
.num::before { content: "["; color: rgba(255,255,255,.3); } .num::after { content: "]"; color: rgba(255,255,255,.3); }
.txt-card { position: relative; overflow: hidden; isolation: isolate; min-height: 320px; }
.txt-card .tc-foto { position: absolute; inset: 0; z-index: -1; overflow: hidden; }
.txt-card .tc-foto img { width: 100%; height: 100%; object-fit: cover; opacity: .62; transform: scale(1.08); transition: transform 1.6s var(--suave), opacity .8s; }
.txt-card .tc-foto::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(23,23,23,.05), rgba(23,23,23,.35) 40%, rgba(23,23,23,.95) 78%); }
.txt-card:hover .tc-foto img { transform: scale(1.02); opacity: .8; }
.clip { box-shadow: 0 0 0 1px rgba(255,255,255,.08), 0 50px 100px -40px rgba(0,0,0,1), 0 0 120px -50px rgba(255,255,255,.15); }
.plan-dest { box-shadow: inset 0 0 0 1px rgba(255,255,255,.22), 0 0 80px -30px rgba(255,255,255,.18), 0 30px 60px -40px rgba(0,0,0,1); }
.etiqueta { font-family: var(--mono); font-weight: 500; font-size: 11.5px; letter-spacing: .04em; background: #fff; color: #000; }

/* Cifras: números grandes en mono con cursor */
.cifras { position: relative; padding-top: 50px; padding-bottom: 10px; }
.cifras::before, .cifras::after { content: ""; position: absolute; left: 20px; right: 20px; height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,.25), transparent); transform: scaleX(0); transition: transform 1.6s var(--suave); }
.cifras::before { top: 0; } .cifras::after { bottom: -40px; transition-delay: .3s; }
.cifras.visto::before, .cifras.visto::after { transform: scaleX(1); }
.cifras b { font-family: var(--mono); font-weight: 600; letter-spacing: -.05em; font-variant-numeric: tabular-nums; }
.cifras.entra div { opacity: 0; transform: translateY(18px); transition: opacity .9s var(--suave), transform .9s var(--suave); }
.cifras.visto div { opacity: 1; transform: none; }
.cifras.visto div:nth-child(2) { transition-delay: .1s; } .cifras.visto div:nth-child(3) { transition-delay: .2s; } .cifras.visto div:nth-child(4) { transition-delay: .3s; }

/* FAQ: más terminal */
.faq summary { transition: color .25s, padding-left .35s var(--suave); }
.faq summary:hover { padding-left: 10px; color: #fff; }
.faq details[open] summary { color: #fff; }
.faq details { transition: border-color .3s; }
.faq details[open] { border-color: rgba(255,255,255,.25); }

/* Cierre con foto */
.cierre { min-height: 640px; background: #0a0a0a; box-shadow: inset 0 0 0 1px var(--line-soft); }
.cierre .foto-fondo { -webkit-mask: none; mask: none; z-index: -2; }
.cierre .foto-fondo img { opacity: .75; }
.cierre .foto-fondo::after { background: radial-gradient(ellipse 45% 40% at 50% 48%, rgba(10,10,10,.6), rgba(10,10,10,.15) 85%), linear-gradient(180deg, rgba(10,10,10,.6), transparent 30%, transparent 70%, rgba(10,10,10,.8)); }
.cierre::after { display: none; }
.cierre h2 { text-shadow: 0 2px 18px rgba(0,0,0,.7); }
.cierre.entra { filter: none; }

/* Pie con marca y cursor */
.pie { border-top: 1px solid var(--line-soft); margin-top: 80px; }
.pie .marca .palabra { font-size: 16px; }

/* Movimiento reducido: todo quieto y visible */
@media (prefers-reduced-motion: reduce) {
  .grano, .respira, .haz, .btn-blanco::after, .bloque-cur, .hero-meta .rec, .bajar::after { animation: none; }
  .entra { filter: none; }
  .pal > i { transform: none; transition: none; }
  .bloque::before, .cifras::before, .cifras::after { transform: none; transition: none; }
  .cifras.entra div { opacity: 1; transform: none; }
  .tilt.visto { transform: none; }
  .nav { transition: none; }
}

/* ── Móvil ───────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .nav, .nav.compacta { width: calc(100% - 20px); padding-left: 14px; }
  .nav .btn-ghost { margin-left: auto; }
}
@media (max-width: 600px) {
  .nav { top: 10px; }
  .marca .palabra { font-size: 17px; }
  .hero { padding-top: 96px; }
  .hero-fondo img { opacity: .5; object-position: 50% 50%; }
  .haz { width: 50vw; }
  .bajar { display: none; }
  .fantasma { font-size: 16px; }
  .manifiesto { min-height: 0; padding-top: 120px; padding-bottom: 120px; }
  .banda { height: 380px; }
  .banda-txt, .banda-dcha .banda-txt { left: 20px; right: 20px; text-align: left; bottom: 18%; }
  .txt-card { min-height: 240px; }
  .cifras::after { bottom: -30px; }
}

/* ── Enlaces al panel (macmini, 24-oct) ──────────────────────────────── */
/* El pie lleva ahora seis enlaces: que salten de línea en vez de salirse. */
.pie nav { flex-wrap: wrap; gap: 10px 22px; }
@media (max-width: 600px) {
  /* «Entrar» también en el móvil, compacto, junto a «Empezar gratis». */
  .nav .btn-ghost { display: inline-flex; margin-left: auto; padding: 9px 12px; }
  .nav .btn-ghost + .btn-blanco { margin-left: 0; }
}
.nav .btn-blanco, .nav .btn-ghost { white-space: nowrap; }
@media (max-width: 380px) {
  .nav { padding-left: 12px; gap: 2px; }
  .marca .palabra { font-size: 15px; }
  .marca .iso { width: 22px; height: 22px; }
  .nav .btn-ghost { padding: 8px 9px; font-size: 13.5px; }
  .nav .btn-blanco { padding: 8px 12px; font-size: 13.5px; }
}

/* ── «Cómo funciona» en el móvil (24-oct) ─────────────────────────────── */
/* Títulos sin palabra suelta («…te abre el / PR»). */
.paso h3, .cabeza h2 { text-wrap: balance; }
@media (max-width: 600px) {
  .paso { gap: 26px; margin-bottom: 84px; }
  .paso h3 { font-size: 27px; }
  /* El clip ocupa todo el ancho: con 20 px de margen el texto del vídeo se queda en nada. */
  .clip { margin-inline: -12px; border-radius: 18px; }
  /* La tarjeta de verificación no es un vídeo: que crezca con su contenido en vez de cortarse. */
  .verif { aspect-ratio: auto; padding: 24px 16px 22px; }
  .verif-chat { font-size: 14.5px; gap: 14px; }
  .resp { gap: 10px; }
  .iso-r { width: 26px; height: 26px; font-size: 11.5px; }
  .resp code { font-size: 11.5px; padding: 11px 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
}