:root {
  --bg: #0b0b0c;
  --surface: #151517;
  --surface-2: #1d1d20;
  --ink: #f5f5f2;
  --muted: rgb(245 245 242 / 0.6);
  --line: rgb(245 245 242 / 0.1);
  --accent: #c6ff3d;
  --accent-ink: #0b0b0c;
  --radius: 14px;
  --font-display: 'Archivo', 'Arial Black', sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

body { font-size: 16px; }
::selection { background: var(--accent); color: var(--accent-ink); }
h1, h2, h3 { font-stretch: 125%; font-weight: 800; text-transform: uppercase; letter-spacing: -0.01em; }
.eyebrow { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
.section { padding: clamp(72px, 10vw, 128px) 0; }
.section-head { margin-bottom: 44px; max-width: 760px; }
.section-head h2, .quiz h2, .trial h2 { font-size: clamp(2.2rem, 5.4vw, 4.4rem); line-height: 0.95; }
.section-head.split { display: flex; justify-content: space-between; align-items: end; gap: 32px; max-width: none; }
.section-head.split > p { max-width: 340px; color: var(--muted); }
.section-head.center { margin-inline: auto; text-align: center; }
.btn { border-radius: 999px; font-weight: 700; }
.btn-sm { min-height: 42px; padding: 0 20px; font-size: 0.9rem; }
.btn-block { width: 100%; }
.btn-ghost { border-color: rgb(245 245 242 / 0.35); }
.btn-ghost:hover { border-color: var(--ink); }

/* Header */
.header { position: fixed; inset: 0 0 auto; z-index: 50; transition: background 0.3s, border-color 0.3s; border-bottom: 1px solid transparent; }
.header.is-solid { background: rgb(11 11 12 / 0.85); backdrop-filter: blur(14px); border-color: var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 74px; }
.logo { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-display); font-stretch: 125%; font-weight: 900; font-size: 1.25rem; text-decoration: none; letter-spacing: 0.02em; }
.logo span { font-weight: 400; font-size: 0.7em; letter-spacing: 0.3em; color: var(--muted); }
.logo svg { width: 30px; flex: none; fill: none; stroke: var(--accent); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.nav { display: flex; gap: 30px; font-size: 0.9rem; font-weight: 500; }
.nav a { text-decoration: none; color: var(--muted); transition: color 0.2s; }
.nav a:hover { color: var(--accent); }

/* Hero */
.hero { position: relative; min-height: 100svh; display: grid; align-content: end; padding: 120px 0 0; overflow: hidden; isolation: isolate; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.hero::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgb(11 11 12 / 0.5), rgb(11 11 12 / 0.2) 30%, rgb(11 11 12 / 0.85) 80%, var(--bg)); }
.kicker { display: inline-flex; align-items: center; gap: 10px; font-size: 0.85rem; font-weight: 500; color: var(--muted); }
.live { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 16px var(--accent); animation: beat 1.1s ease-in-out infinite; }
@keyframes beat { 0%, 100% { transform: scale(1); } 15% { transform: scale(1.5); } 30% { transform: scale(1); } 45% { transform: scale(1.3); } }
.hero h1 { display: grid; margin-top: 18px; font-size: clamp(3.6rem, 13vw, 11.5rem); line-height: 0.84; letter-spacing: -0.03em; }
.hero h1 .line { display: block; }
.hero h1 .outline { color: transparent; -webkit-text-stroke: 2px var(--ink); }
.hero h1 .accent { color: var(--accent); }
.hero h1 i { font-style: normal; color: var(--ink); }
.hero-bottom { display: flex; justify-content: space-between; align-items: end; gap: 32px; flex-wrap: wrap; margin: 36px 0 48px; }
.lede { max-width: 440px; color: var(--muted); font-size: 1.08rem; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.ticker { border-block: 1px solid var(--line); background: var(--accent); color: var(--accent-ink); overflow: hidden; }
.ticker-track { display: flex; width: max-content; animation: marquee 22s linear infinite; }
.ticker span { padding: 14px 28px; font-family: var(--font-display); font-stretch: 125%; font-weight: 900; font-size: 1.1rem; letter-spacing: 0.05em; }
.ticker span::after { content: '✦'; margin-left: 56px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* Números */
.numbers { border-bottom: 1px solid var(--line); }
.numbers-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.numbers-grid div { display: grid; padding: 40px 0 36px; border-right: 1px solid var(--line); padding-left: 24px; }
.numbers-grid div:first-child { padding-left: 0; }
.numbers-grid div:last-child { border-right: 0; }
.numbers strong { font-family: var(--font-display); font-stretch: 125%; font-weight: 900; font-size: clamp(2.4rem, 5vw, 3.8rem); line-height: 1; color: var(--accent); }
.numbers span { margin-top: 8px; color: var(--muted); font-size: 0.9rem; }

/* Disciplinas */
.disciplines { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; height: 560px; }
.disc { position: relative; overflow: hidden; border-radius: 20px; background: var(--surface); transition: flex 0.5s; isolation: isolate; outline-offset: 4px; }
.disc img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; filter: grayscale(0.6) brightness(0.7); transition: filter 0.6s, transform 0.8s var(--ease); }
.disc::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, transparent 40%, rgb(0 0 0 / 0.85)); }
.disc:hover img, .disc:focus-within img { filter: none; transform: scale(1.05); }
.disc-body { position: absolute; inset: auto 0 0; padding: 22px; display: grid; gap: 8px; }
.disc h3 { font-size: 1.5rem; }
.disc h3::before { content: ''; display: block; width: 28px; height: 4px; margin-bottom: 12px; border-radius: 2px; background: var(--c); }
.disc p { font-size: 0.88rem; color: rgb(255 255 255 / 0.8); max-height: 0; opacity: 0; overflow: hidden; transition: max-height 0.5s var(--ease), opacity 0.4s; }
.disc:hover p, .disc:focus-within p { max-height: 140px; opacity: 1; }
.disc .kcal { font-size: 0.78rem; font-weight: 600; color: var(--c); }
@media (hover: hover) and (min-width: 961px) {
  .disciplines { display: flex; }
  .disc { flex: 1; }
  .disc:hover, .disc:focus-within { flex: 2.4; }
}

/* Horario */
.schedule-section { background: var(--surface); }
.filters { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.filter-group { display: flex; flex-wrap: wrap; gap: 8px; }
.filter { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 999px; border: 1px solid var(--line); background: transparent; font-weight: 600; font-size: 0.88rem; transition: background 0.2s, border-color 0.2s, color 0.2s; }
.filter i { width: 9px; height: 9px; border-radius: 50%; background: var(--c, var(--ink)); }
.filter[aria-pressed='true'] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.level-select .input { min-width: 200px; background: var(--surface-2); border-color: var(--line); color-scheme: dark; border-radius: 999px; }
.week { display: grid; grid-template-columns: repeat(7, minmax(150px, 1fr)); gap: 10px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x mandatory; }
.day-col { display: grid; gap: 8px; align-content: start; scroll-snap-align: start; }
.day-col h3 { font-family: var(--font-body); font-stretch: 100%; text-transform: none; font-weight: 700; font-size: 0.95rem; padding: 12px 14px; border-radius: 12px; background: var(--surface-2); display: flex; justify-content: space-between; }
.day-col.is-today h3 { background: var(--accent); color: var(--accent-ink); }
.day-col h3 small { font-weight: 500; opacity: 0.7; }
.cls { display: grid; gap: 4px; text-align: left; padding: 14px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg); border-left: 4px solid var(--c); transition: transform 0.2s, border-color 0.2s; animation: pop 0.35s var(--ease) both; }
.cls:hover:not(:disabled) { transform: translateY(-2px); border-color: var(--c); }
.cls:disabled { opacity: 0.45; cursor: not-allowed; }
.cls strong { font-size: 0.98rem; }
.cls .time { font-family: var(--font-display); font-stretch: 110%; font-weight: 800; font-size: 1.15rem; }
.cls small { color: var(--muted); font-size: 0.78rem; }
.cls .spots { font-weight: 600; color: var(--c); }
@keyframes pop { from { opacity: 0; transform: translateY(6px); } }
.week-empty { padding: 24px; text-align: center; color: var(--muted); }

/* Quiz */
.quiz { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 0; border-radius: 28px; overflow: hidden; border: 1px solid var(--line); }
.quiz-side { padding: clamp(28px, 5vw, 56px); background: var(--accent); color: var(--accent-ink); display: grid; align-content: start; gap: 18px; }
.quiz-side .eyebrow { color: var(--accent-ink); opacity: 0.7; }
.quiz-progress { height: 6px; border-radius: 3px; background: rgb(11 11 12 / 0.15); overflow: hidden; margin-top: 18px; }
.quiz-progress span { display: block; height: 100%; width: 33%; background: var(--accent-ink); border-radius: 3px; transition: width 0.4s var(--ease); }
.quiz-count { font-weight: 600; font-size: 0.9rem; }
.quiz-main { padding: clamp(28px, 5vw, 56px); background: var(--surface); min-height: 380px; display: grid; align-content: center; }
.quiz-q { font-size: clamp(1.4rem, 2.6vw, 2rem); margin-bottom: 24px; animation: pop 0.4s var(--ease) both; }
.options { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.option { padding: 18px 20px; border-radius: 14px; border: 1px solid var(--line); background: var(--bg); text-align: left; font-weight: 600; font-size: 1rem; transition: border-color 0.2s, background 0.2s, transform 0.2s; animation: pop 0.4s var(--ease) both; }
.option:hover { border-color: var(--accent); transform: translateY(-2px); }
.result { display: grid; gap: 18px; animation: pop 0.5s var(--ease) both; }
.result h3 { font-size: clamp(1.6rem, 3vw, 2.4rem); line-height: 1; }
.result h3 em { font-style: normal; color: var(--accent); }
.result-classes { display: flex; flex-wrap: wrap; gap: 8px; }
.result-classes span { padding: 8px 14px; border-radius: 999px; background: var(--surface-2); font-size: 0.88rem; border-left: 3px solid var(--c); }
.result-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.link-btn { background: none; border: 0; color: var(--muted); text-decoration: underline; padding: 0 8px; }

/* Planes */
.billing { display: inline-flex; gap: 4px; padding: 5px; margin-top: 28px; border-radius: 999px; background: var(--surface-2); border: 1px solid var(--line); }
.bill { padding: 10px 18px; border: 0; border-radius: 999px; background: transparent; font-weight: 600; font-size: 0.9rem; color: var(--muted); }
.bill small { color: var(--accent); margin-left: 4px; }
.bill[aria-checked='true'] { background: var(--ink); color: var(--bg); }
.bill[aria-checked='true'] small { color: #3a7d00; }
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: stretch; }
.plan { position: relative; display: grid; gap: 22px; align-content: start; padding: 32px; border-radius: 24px; border: 1px solid var(--line); background: var(--surface); }
.plan.is-featured { background: var(--ink); color: var(--bg); border-color: var(--ink); transform: translateY(-12px); }
.plan.is-featured .plan-tag { color: var(--muted); }
.badge { position: absolute; top: 18px; right: 18px; padding: 6px 12px; border-radius: 999px; background: var(--accent); color: var(--accent-ink); font-size: 0.75rem; font-weight: 700; }
.plan h3 { font-size: 1.8rem; }
.plan-tag { color: var(--muted); font-size: 0.92rem; margin-top: -14px; }
.plan.is-featured .plan-tag { color: #555; }
.price { display: flex; align-items: baseline; gap: 6px; }
.price strong { font-family: var(--font-display); font-stretch: 110%; font-weight: 900; font-size: 3.4rem; line-height: 1; }
.price span { color: var(--muted); }
.plan.is-featured .price span { color: #555; }
.price-note { font-size: 0.82rem; color: var(--muted); min-height: 1.3em; margin-top: -12px; }
.plan.is-featured .price-note { color: #555; }
.plan ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.plan li { display: flex; gap: 10px; font-size: 0.95rem; }
.plan li::before { content: '✓'; font-weight: 800; color: var(--accent); }
.plan.is-featured li::before { color: #3a7d00; }
.plan.is-featured .btn { background: var(--bg); color: var(--ink); }
.plan .btn { margin-top: auto; }

/* Coaches */
.coaches { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.coach { position: relative; border-radius: 22px; overflow: hidden; aspect-ratio: 4 / 5; isolation: isolate; }
.coach img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; filter: grayscale(1) contrast(1.1); transition: filter 0.5s, transform 0.8s var(--ease); }
.coach:hover img { filter: none; transform: scale(1.04); }
.coach::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, transparent 50%, rgb(0 0 0 / 0.85)); }
.coach div { position: absolute; inset: auto 0 0; padding: 22px; }
.coach h3 { font-size: 1.5rem; }
.coach p { color: rgb(255 255 255 / 0.75); font-size: 0.9rem; }
.coach .cert { display: inline-block; margin-top: 10px; padding: 5px 10px; border-radius: 999px; background: var(--accent); color: var(--accent-ink); font-size: 0.72rem; font-weight: 700; }

/* Clase de prueba */
.trial { position: relative; isolation: isolate; overflow: hidden; }
.trial-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; filter: grayscale(1) brightness(0.35); }
.trial::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(90deg, var(--bg) 20%, rgb(11 11 12 / 0.6)); }
.trial-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 6vw, 80px); align-items: center; }
.trial-sub { margin-top: 20px; color: var(--muted); font-size: 1.05rem; max-width: 440px; }
.trial-form { display: grid; gap: 18px; padding: clamp(24px, 4vw, 40px); border-radius: 24px; background: rgb(21 21 23 / 0.9); backdrop-filter: blur(10px); border: 1px solid var(--line); }
.trial-form .input { background: var(--surface-2); border-color: var(--line); color-scheme: dark; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-hint { text-align: center; font-size: 0.82rem; color: var(--muted); }

.footer { padding: 32px 0 100px; border-top: 1px solid var(--line); font-size: 0.85rem; color: var(--muted); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.logo.small { font-size: 1rem; color: var(--ink); }

@media (max-width: 960px) {
  .nav { display: none; }
  .numbers-grid { grid-template-columns: 1fr 1fr; }
  .numbers-grid div { padding-left: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .disciplines { grid-template-columns: 1fr 1fr; height: auto; }
  .disc { aspect-ratio: 3 / 4; }
  .disc p { max-height: none; opacity: 1; }
  .quiz, .trial-grid { grid-template-columns: 1fr; }
  .plans, .coaches { grid-template-columns: 1fr; max-width: 520px; margin-inline: auto; }
  .plan.is-featured { transform: none; }
  .coach { aspect-ratio: 5 / 4; }
  .section-head.split { flex-direction: column; align-items: start; }
  .week { grid-template-columns: repeat(7, 78%); }
}
@media (max-width: 600px) {
  .options, .form-row { grid-template-columns: 1fr; }
  .disciplines { grid-template-columns: 1fr; }
  .disc { aspect-ratio: 16 / 10; }
  .hero h1 .outline { -webkit-text-stroke-width: 1.5px; }
  .billing { flex-wrap: wrap; justify-content: center; border-radius: 20px; }
}