/* La Mejor Clase — sitio público. Negro, brasa y blanco cálido. */
:root {
    --bg: #0b0a09;
    --bg-2: #13110f;
    --line: rgba(255, 240, 225, .1);
    --text: #f4eee8;
    --muted: #a39a91;
    --ember: #ff6a1a;
    --ember-2: #ffb36b;
    --ember-glow: rgba(255, 106, 26, .35);
    --radius: 18px;
    --serif: "Instrument Serif", Georgia, serif;
    --sans: "Inter Tight", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    --gutter: clamp(16px, 4vw, 56px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0; background: var(--bg); color: var(--text); font-family: var(--sans);
    font-size: 17px; line-height: 1.55; -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
body::before { /* grano de película */
    content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 100; opacity: .06;
    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='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -.02em; line-height: 1.05; }
h2 { font-size: clamp(2.2rem, 5.6vw, 4.4rem); }
h1 em, h2 em { font-family: var(--serif); font-style: italic; font-weight: 400; color: var(--ember-2); letter-spacing: -.01em; }
p { margin: 0; }
.justify { text-align: justify; hyphens: auto; -webkit-hyphens: auto; }
.muted { color: var(--muted); }

/* ---------- botones ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .6em;
    background: var(--ember); color: #160a03; font-weight: 700; text-decoration: none;
    border: 0; border-radius: 999px; padding: .8em 1.4em; font: inherit; font-weight: 700; cursor: pointer;
    box-shadow: 0 0 0 0 var(--ember-glow), 0 10px 30px -10px var(--ember-glow);
    transition: transform .25s cubic-bezier(.2,.8,.2,1), box-shadow .25s, background .25s;
}
.btn:hover { transform: translateY(-2px); background: #ff7d36; box-shadow: 0 0 0 6px rgba(255,106,26,.15), 0 18px 40px -12px var(--ember-glow); }
.btn-sm { padding: .55em 1.1em; font-size: .9rem; }
.btn-lg { padding: 1em 1.7em; font-size: 1.08rem; }
.btn-block { width: 100%; }
.btn-ghost { background: transparent; color: var(--text); box-shadow: inset 0 0 0 1px var(--line); }
.btn-ghost:hover { background: rgba(255,255,255,.05); }

/* ---------- navegación ---------- */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 50; display: flex; align-items: center; gap: 2rem;
    padding: 14px var(--gutter); transition: background .3s, backdrop-filter .3s, border-color .3s;
    border-bottom: 1px solid transparent;
}
.nav.is-scrolled { background: rgba(11,10,9,.72); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-color: var(--line); }
.brand { display: inline-flex; align-items: center; gap: .55rem; font-weight: 700; text-decoration: none; letter-spacing: -.01em; }
.brand-dot { width: 12px; height: 12px; border-radius: 50%; background: var(--ember); box-shadow: 0 0 14px 2px var(--ember-glow); }
.nav-links { display: flex; gap: 1.6rem; margin-left: auto; font-size: .92rem; }
.nav-links a { text-decoration: none; color: var(--muted); transition: color .2s; }
.nav-links a:hover { color: var(--text); }
@media (max-width: 860px) { .nav-links { display: none; } .nav .btn { margin-left: auto; } }

/* ---------- hero ---------- */
.hero {
    min-height: 100svh; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: center; gap: 2rem;
    padding: 110px var(--gutter) 60px; position: relative;
    background: radial-gradient(60% 70% at 78% 45%, rgba(255,106,26,.13), transparent 70%);
}
.eyebrow { display: inline-flex; align-items: center; gap: .6rem; color: var(--muted); font-size: .9rem; letter-spacing: .02em; margin-bottom: 1.6rem; }
.pulse { width: 8px; height: 8px; border-radius: 50%; background: var(--ember); box-shadow: 0 0 0 0 var(--ember-glow); animation: pulse 2s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(255,106,26,0); } 100% { box-shadow: 0 0 0 0 rgba(255,106,26,0); } }
.hero h1 { font-size: clamp(2.6rem, 6.4vw, 5.6rem); line-height: .98; letter-spacing: -.035em; max-width: 13ch; }
.hero h1 em { display: block; margin-top: .12em; }
.lead { margin-top: 1.6rem; font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: #d8cfc6; max-width: 34rem; }
.lead strong { color: var(--text); font-weight: 600; }
.hero-cta { margin-top: 2.2rem; display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.4rem; }
.cta-note { color: var(--muted); font-size: .9rem; }
.seat-pills { list-style: none; padding: 0; margin: 2rem 0 0; display: flex; flex-wrap: wrap; gap: .6rem; }
.seat-pills li { display: inline-flex; gap: .6rem; align-items: center; border: 1px solid var(--line); border-radius: 999px; padding: .45rem .9rem; font-size: .88rem; color: var(--muted); }
.seat-pills b { color: var(--text); font-weight: 600; }
.seat-pills .is-low b { color: var(--ember-2); }
.seat-pills .is-out { opacity: .55; }
.hero-art { position: relative; height: min(78svh, 720px); }
#embers { position: absolute; inset: 0; width: 100%; height: 100%; }
/* La foto aparece cuando las brasas terminan de armar el rostro. */
.hero-photo {
    position: absolute; left: 50%; top: 50%; width: min(92%, 92svh, 640px); height: auto; aspect-ratio: 1; object-fit: cover;
    transform: translate(-50%, -50%) scale(1.04); opacity: 0; filter: saturate(.9) contrast(1.05);
    -webkit-mask-image: radial-gradient(closest-side, #000 62%, transparent 100%); mask-image: radial-gradient(closest-side, #000 62%, transparent 100%);
    transition: opacity 2.4s ease, transform 3s cubic-bezier(.2,.8,.2,1);
}
.hero-art.is-formed .hero-photo { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.hero-tag { position: absolute; left: 8%; bottom: 6%; display: flex; flex-direction: column; border-left: 2px solid var(--ember); padding-left: .8rem; }
.hero-tag span { font-weight: 600; }
.hero-tag small { color: var(--muted); }
@media (max-width: 900px) {
    .hero { grid-template-columns: minmax(0, 1fr); padding-top: 96px; min-height: auto; }
    .hero-art { order: -1; height: 46svh; margin: 0 calc(var(--gutter) * -1); }
    .hero-tag { left: var(--gutter); }
}

/* ---------- marquesina ---------- */
.marquee { border-block: 1px solid var(--line); overflow: hidden; padding: 1.1rem 0; background: var(--bg-2); }
.marquee-track { display: flex; gap: 2.2rem; width: max-content; animation: marquee 38s linear infinite; font-family: var(--serif); font-style: italic; font-size: clamp(1.6rem, 3vw, 2.4rem); color: #e9e0d6; }
.marquee-track i { color: var(--ember); font-style: normal; font-size: .7em; align-self: center; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- secciones ---------- */
section { padding: clamp(80px, 12vw, 150px) var(--gutter); }
.kicker { text-transform: uppercase; letter-spacing: .16em; font-size: .78rem; color: var(--ember); margin-bottom: 1.2rem; font-weight: 600; }
.section-head { max-width: 900px; margin-bottom: clamp(40px, 6vw, 72px); }

.truth h2 { max-width: 16ch; }
.truth-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 4rem; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.truth-grid article { background: var(--bg); padding: 2.2rem; }
.truth-grid .num { font-family: var(--serif); font-size: 2.6rem; color: var(--ember); line-height: 1; }
.truth-grid h3 { font-size: 1.35rem; margin: 1.2rem 0 .7rem; }
.truth-grid p { color: var(--muted); }
@media (max-width: 860px) { .truth-grid { grid-template-columns: 1fr; } }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
    position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 5; background: var(--bg-2);
    border: 1px solid var(--line); transform-style: preserve-3d; transition: transform .4s cubic-bezier(.2,.8,.2,1), border-color .3s;
}
.card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(1.04); transition: transform 1.2s cubic-bezier(.2,.8,.2,1); }
.card:hover img { transform: scale(1.1); }
.card:hover { border-color: rgba(255,106,26,.5); }
.card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 35%, rgba(8,7,6,.92) 88%); }
.card-body { position: absolute; left: 0; right: 0; bottom: 0; padding: 1.6rem; z-index: 1; }
.card-n { font-family: var(--serif); color: var(--ember-2); font-size: 1.1rem; }
.card h3 { font-size: 1.7rem; margin: .2rem 0 .5rem; }
.card p { color: #cfc5bb; font-size: .95rem; }
@media (max-width: 960px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .cards { grid-template-columns: 1fr; } .card { aspect-ratio: 4 / 4.4; } }

.timeline { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); max-width: 980px; }
.timeline li { display: grid; grid-template-columns: 140px 1fr; gap: 1.5rem; padding: 1.6rem 0; border-bottom: 1px solid var(--line); align-items: baseline; transition: padding-left .3s; }
.timeline li:hover { padding-left: .8rem; }
.timeline time { font-family: var(--serif); font-size: 2.4rem; color: var(--ember-2); line-height: 1; }
.timeline h3 { font-size: 1.35rem; margin-bottom: .3rem; }
.timeline p { color: var(--muted); }
@media (max-width: 600px) { .timeline li { grid-template-columns: 80px 1fr; } .timeline time { font-size: 1.7rem; } }

.speaker { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2rem, 6vw, 6rem); align-items: center; background: linear-gradient(180deg, transparent, var(--bg-2) 30%, var(--bg-2) 70%, transparent); }
.speaker-photo { margin: 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: 0 40px 120px -40px var(--ember-glow); }
.speaker h2 { font-size: clamp(2.2rem, 4.6vw, 3.8rem); }
.speaker-role { color: var(--ember-2); font-family: var(--serif); font-style: italic; font-size: 1.5rem; margin: .5rem 0 1.4rem; }
.speaker-copy > .justify { color: #d3c9bf; max-width: 36rem; }
.creds { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: 12px; }
.creds li { display: grid; grid-template-columns: 74px 1fr; gap: 1rem; align-items: center; padding: 1rem 1.2rem; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,.02); }
.creds b { font-family: var(--serif); font-size: 1.9rem; font-weight: 400; color: var(--ember); text-align: center; }
.creds small { display: block; color: var(--muted); font-size: .85rem; }
@media (max-width: 860px) { .speaker { grid-template-columns: minmax(0, 1fr); } .speaker-photo { max-width: 460px; } }

.meta { text-align: center; padding-block: clamp(90px, 14vw, 170px); }
.meta p { font-size: clamp(1.6rem, 3.8vw, 3rem); line-height: 1.15; letter-spacing: -.02em; max-width: 26ch; margin: 0 auto; font-weight: 500; }
.meta em { font-family: var(--serif); color: var(--ember-2); font-weight: 400; }
.meta .meta-sub { margin-top: 1.6rem; font-size: 1.1rem; color: var(--muted); font-weight: 400; letter-spacing: 0; }
@media (max-width: 700px) { .br-lg { display: none; } }

.booking { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
.booking-copy > p { color: #d3c9bf; margin-top: 1.4rem; max-width: 30rem; }
.facts { margin: 2.2rem 0 0; display: grid; gap: 0; border-top: 1px solid var(--line); }
.facts div { display: grid; grid-template-columns: 110px 1fr; gap: 1rem; padding: .9rem 0; border-bottom: 1px solid var(--line); }
.facts dt { color: var(--muted); font-size: .9rem; }
.facts dd { margin: 0; }
.booking-form { background: var(--bg-2); border: 1px solid var(--line); border-radius: 24px; padding: clamp(1.4rem, 3vw, 2.2rem); box-shadow: 0 40px 120px -50px var(--ember-glow); position: sticky; top: 90px; }
fieldset { border: 0; padding: 0; margin: 0 0 1.6rem; }
legend { font-weight: 600; margin-bottom: .9rem; font-size: .95rem; color: var(--muted); }
.dates { display: grid; gap: 10px; }
.date { position: relative; display: grid; grid-template-columns: 1fr auto; gap: .1rem 1rem; padding: 1rem 1.1rem; border: 1px solid var(--line); border-radius: 14px; cursor: pointer; transition: border-color .2s, background .2s; }
.date input { position: absolute; opacity: 0; pointer-events: none; }
.date:has(input:checked) { border-color: var(--ember); background: rgba(255,106,26,.07); }
.date:has(input:focus-visible) { outline: 2px solid var(--ember-2); outline-offset: 2px; }
.date-day { font-weight: 700; font-size: 1.1rem; }
.date-num { grid-column: 1; color: var(--muted); }
.date-seats { grid-column: 2; grid-row: 1 / 3; align-self: center; text-align: right; font-size: .85rem; color: var(--ember-2); display: grid; gap: .35rem; justify-items: end; }
.bar { width: 90px; height: 4px; border-radius: 4px; background: rgba(255,255,255,.08); overflow: hidden; }
.bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--ember-2), var(--ember)); }
.date.is-out { opacity: .6; }
.field { display: grid; gap: .35rem; margin-bottom: .9rem; }
.field span { font-size: .88rem; color: var(--muted); }
.field input { font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line); border-radius: 12px; padding: .85rem 1rem; outline: none; transition: border-color .2s, box-shadow .2s; }
.field input:focus { border-color: var(--ember); box-shadow: 0 0 0 4px rgba(255,106,26,.15); }
.hp { position: absolute; left: -9999px; }
.err { color: #ff8a73; font-size: .88rem; margin: -.4rem 0 .8rem; }
.form-note { color: var(--muted); font-size: .82rem; margin-top: .9rem; text-align: center; }
@media (max-width: 900px) { .booking { grid-template-columns: minmax(0, 1fr); } .booking-form { position: static; } }

.faq-list { max-width: 900px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; padding: 1.4rem 2.5rem 1.4rem 0; font-size: 1.2rem; font-weight: 500; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: .2rem; top: 50%; transform: translateY(-50%); color: var(--ember); font-size: 1.6rem; transition: transform .3s; }
.faq details[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq details p { color: var(--muted); padding: 0 0 1.4rem; max-width: 46rem; }

.final { text-align: center; background: radial-gradient(50% 60% at 50% 60%, rgba(255,106,26,.16), transparent 70%); }
.final h2 { margin-bottom: 2.4rem; }
.final-proof { margin-top: 1.4rem; color: var(--muted); }

.footer { padding: 3rem var(--gutter) 6rem; border-top: 1px solid var(--line); display: grid; gap: .8rem; color: var(--muted); font-size: .9rem; }
.footer .brand { color: var(--text); }
.footer a { color: var(--muted); }
.footer .legal { font-size: .82rem; }

.sticky-cta {
    position: fixed; left: 16px; right: 16px; bottom: max(14px, env(safe-area-inset-bottom)); z-index: 60; display: none;
    text-align: center; text-decoration: none; font-weight: 700; color: #160a03; background: var(--ember);
    padding: 1rem; border-radius: 999px; box-shadow: 0 16px 40px -10px rgba(0,0,0,.6), 0 0 30px -6px var(--ember-glow);
    transform: translateY(140%); transition: transform .35s cubic-bezier(.2,.8,.2,1);
}
.sticky-cta.is-visible { transform: none; }
@media (max-width: 860px) { .sticky-cta { display: block; } }

/* ---------- aparición al hacer scroll ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s cubic-bezier(.2,.8,.2,1) var(--d, 0ms), transform .9s cubic-bezier(.2,.8,.2,1) var(--d, 0ms); }
.reveal.is-in { opacity: 1; transform: none; }
.no-js .reveal { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    .marquee-track { animation: none; }
    html { scroll-behavior: auto; }
}

/* ---------- páginas simples (gracias, legales) ---------- */
.page { max-width: 760px; margin: 0 auto; padding: 130px var(--gutter) 80px; }
.page h1 { font-size: clamp(2.2rem, 5.4vw, 3.8rem); margin-bottom: 1.2rem; }
.page h2 { font-size: 1.5rem; margin: 2.4rem 0 .8rem; }
.page p, .page li { color: #d3c9bf; text-align: justify; hyphens: auto; -webkit-hyphens: auto; }
.page p + p { margin-top: .9rem; }
.ticket { margin: 2rem 0; border: 1px solid var(--line); border-radius: 22px; overflow: hidden; background: var(--bg-2); }
.ticket-head { padding: 1.4rem 1.6rem; background: linear-gradient(120deg, rgba(255,106,26,.25), rgba(255,106,26,.04)); border-bottom: 1px dashed rgba(255,240,225,.2); }
.ticket-head small { color: var(--ember-2); text-transform: uppercase; letter-spacing: .14em; font-size: .75rem; font-weight: 600; }
.ticket-head h2 { margin: .3rem 0 0; font-size: 1.8rem; }
.ticket-body { padding: 1.2rem 1.6rem 1.6rem; display: grid; gap: .7rem; }
.ticket-row { display: grid; grid-template-columns: 110px 1fr; gap: 1rem; text-align: left; }
.ticket-row span:first-child { color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin: 1.6rem 0; }
.paybox { border: 1px solid var(--line); border-radius: 18px; padding: 1.4rem 1.6rem; margin-top: 2rem; }
.paybox h2 { margin-top: 0; }
.paybox dl { display: grid; gap: .5rem; margin: 1rem 0; }
.paybox dl div { display: grid; grid-template-columns: 110px 1fr; }
.paybox dt { color: var(--muted); }
.paybox dd { margin: 0; font-weight: 600; }
.upload { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; margin-top: 1rem; }
.upload input[type=file] { color: var(--muted); font: inherit; font-size: .9rem; max-width: 100%; }
.flash { padding: 1rem 1.2rem; border-radius: 14px; background: rgba(120,220,140,.1); border: 1px solid rgba(120,220,140,.3); margin-top: 1rem; }
.copy { cursor: pointer; border: 0; background: none; color: var(--ember-2); font: inherit; font-size: .85rem; padding: 0 0 0 .4rem; }