:root {
  --red: #c8102e;
  --red-dark: #8b0a1f;
  --red-glow: rgba(200, 16, 46, 0.35);
  --black: #0b0b0d;
  --ink: #141418;
  --card: #1b1b21;
  --line: #2c2c34;
  --text: #f2f2f4;
  --muted: #a3a3ad;
  --green: #1f9d55;
  --gold: #e8b23a;
  --radius: 14px;
  --font-display: 'Bebas Neue', 'Oswald', Impact, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--black);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

.container { width: min(1180px, 100% - 32px); margin-inline: auto; }

/* ---------- Navegación ---------- */
.nav {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  transition: background .3s, box-shadow .3s;
}
.nav.scrolled { background: rgba(11, 11, 13, .92); backdrop-filter: blur(10px); box-shadow: 0 1px 0 var(--line); }
.nav .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-size: 1.9rem; letter-spacing: 1px; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--red); display: grid; place-items: center;
  font-size: 1.1rem; font-family: 'Noto Sans KR', sans-serif; font-weight: 900;
  box-shadow: 0 0 0 3px rgba(255,255,255,.08);
}
.brand span b { color: var(--red); font-weight: inherit; }
.nav-links { display: flex; gap: 26px; align-items: center; font-weight: 500; font-size: .95rem; }
.nav-links a { opacity: .85; transition: opacity .2s, color .2s; }
.nav-links a:hover { opacity: 1; color: #fff; }
.nav-toggle { display: none; background: none; border: 0; color: var(--text); font-size: 1.6rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; border: 2px solid transparent;
  font-weight: 700; letter-spacing: .3px; transition: transform .15s, background .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--red); color: #fff; box-shadow: 0 10px 30px var(--red-glow); }
.btn-primary:hover { background: #e01535; }
.btn-ghost { border-color: rgba(255,255,255,.35); color: #fff; }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.06); }
.btn-sm { padding: 9px 18px; font-size: .9rem; }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  background: url('../img/equipo-villa.jpg') center 30% / cover no-repeat;
  isolation: isolate;
}
.hero::before {
  content: ''; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(90deg, rgba(11,11,13,.96) 0%, rgba(11,11,13,.82) 45%, rgba(139,10,31,.35) 100%),
    linear-gradient(0deg, var(--black) 0%, transparent 30%);
}
.hero-content { max-width: 640px; padding-top: 72px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .8rem; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--red);
}
.eyebrow::before { content: ''; width: 28px; height: 2px; background: var(--red); }
.hero h1 {
  font-family: var(--font-display); font-weight: 400;
  font-size: clamp(3.6rem, 11vw, 7.5rem); line-height: .9; margin: 14px 0 8px; letter-spacing: 2px;
}
.hero h1 .accent { color: var(--red); }
.hero .korean { font-family: 'Noto Sans KR', sans-serif; font-weight: 900; font-size: 1.4rem; color: var(--muted); letter-spacing: 8px; }
.hero p.lead { font-size: 1.15rem; color: #d0d0d6; margin: 22px 0 32px; max-width: 520px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 36px; margin-top: 48px; flex-wrap: wrap; }
.hero-stats div { border-left: 3px solid var(--red); padding-left: 14px; }
.hero-stats strong { display: block; font-family: var(--font-display); font-size: 2.2rem; font-weight: 400; line-height: 1; }
.hero-stats span { font-size: .85rem; color: var(--muted); }

/* ---------- Secciones ---------- */
section { padding: 100px 0; position: relative; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section-head .eyebrow::after { content: ''; width: 28px; height: 2px; background: var(--red); }
.section-head h2 {
  font-family: var(--font-display); font-weight: 400; font-size: clamp(2.6rem, 6vw, 3.8rem);
  letter-spacing: 1.5px; line-height: 1; margin: 12px 0 14px;
}
.section-head p { color: var(--muted); }
.alt { background: var(--ink); }

/* Nosotros */
.about-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.about-img { position: relative; }
.about-img img { border-radius: var(--radius); aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.about-img .badge {
  position: absolute; right: -18px; bottom: -18px; background: var(--red); padding: 18px 22px;
  border-radius: var(--radius); box-shadow: 0 16px 40px rgba(0,0,0,.5);
}
.about-img .badge strong { font-family: var(--font-display); font-size: 2rem; font-weight: 400; display: block; line-height: 1; }
.about-text h2 { font-family: var(--font-display); font-weight: 400; font-size: clamp(2.4rem, 5vw, 3.4rem); line-height: 1; margin: 12px 0 18px; }
.about-text p { color: #cfcfd6; margin-bottom: 14px; }
.values { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; margin-top: 26px; }
.value { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.value b { display: block; color: #fff; margin-bottom: 2px; }
.value span { font-size: .88rem; color: var(--muted); }

/* Horarios */
.schedule-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.schedule-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px;
  position: relative; overflow: hidden;
}
.schedule-card::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--red);
}
.schedule-card .icon { font-size: 2rem; margin-bottom: 12px; }
.schedule-card h3 { font-size: 1.15rem; margin-bottom: 6px; }
.schedule-card .big { font-family: var(--font-display); font-size: 2.8rem; line-height: 1; color: #fff; }
.schedule-card p { color: var(--muted); font-size: .93rem; }

/* Precios */
.pricing { display: grid; grid-template-columns: repeat(2, minmax(0, 360px)); gap: 26px; justify-content: center; }
.price-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 36px 32px; text-align: center;
}
.price-card.featured { border-color: var(--red); box-shadow: 0 0 0 1px var(--red), 0 20px 50px var(--red-glow); }
.price-card h3 { font-size: 1rem; letter-spacing: 2px; text-transform: uppercase; color: var(--muted); }
.price-card .price { font-family: var(--font-display); font-size: 3.6rem; line-height: 1.1; margin: 10px 0 4px; }
.price-card .price small { font-family: var(--font-body); font-size: .95rem; color: var(--muted); }
.price-card ul { list-style: none; text-align: left; margin: 22px 0 28px; display: grid; gap: 10px; }
.price-card li { padding-left: 26px; position: relative; color: #d4d4da; font-size: .95rem; }
.price-card li::before { content: '✓'; position: absolute; left: 0; color: var(--red); font-weight: 800; }

/* Galería */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 220px; gap: 14px; }
.gallery figure { position: relative; border-radius: 12px; overflow: hidden; cursor: zoom-in; background: var(--card); }
.gallery figure img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.gallery figure:hover img { transform: scale(1.06); }
.gallery figcaption {
  position: absolute; inset: auto 0 0 0; padding: 30px 14px 12px; font-size: .85rem; font-weight: 600;
  background: linear-gradient(transparent, rgba(0,0,0,.85));
}
.g-tall { grid-row: span 2; }
.g-wide { grid-column: span 2; }

/* Filosofía / Tae Geuk */
.poomsae-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 40px; }
.poomsae {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px;
  border-top: 5px solid var(--belt, #fff);
}
.poomsae .n { font-family: var(--font-display); font-size: 2rem; line-height: 1; color: var(--muted); }
.poomsae h4 { font-size: 1rem; margin: 4px 0; }
.poomsae .tag { font-size: .75rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); }
.poomsae p { font-size: .86rem; color: #c4c4cc; margin-top: 8px; }
.infographics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.infographic {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; cursor: zoom-in;
  transition: transform .2s, border-color .2s;
}
.infographic:hover { transform: translateY(-4px); border-color: var(--red); }
.infographic img { width: 100%; aspect-ratio: 4/5; object-fit: cover; object-position: top; }
.infographic div { padding: 14px 16px; font-weight: 600; }

/* Uniforme */
.uniform-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.uniform-grid figure { background: #fff; border-radius: var(--radius); overflow: hidden; cursor: zoom-in; }
.uniform-grid img { width: 100%; aspect-ratio: 1; object-fit: contain; }
.uniform-grid figcaption { background: var(--card); padding: 10px 14px; font-size: .88rem; font-weight: 600; color: var(--text); }

/* Inscripción */
.form-wrap { display: grid; grid-template-columns: 340px 1fr; gap: 36px; align-items: start; }
.form-aside {
  position: sticky; top: 96px; background: linear-gradient(160deg, var(--red-dark), var(--black));
  border-radius: 20px; padding: 30px; border: 1px solid rgba(255,255,255,.08);
}
.form-aside h3 { font-family: var(--font-display); font-weight: 400; font-size: 2.2rem; line-height: 1; margin-bottom: 14px; }
.form-aside ol { padding-left: 20px; display: grid; gap: 10px; color: #e2e2e8; font-size: .94rem; }
.form-aside .total { margin-top: 24px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.15); }
.form-aside .total strong { font-family: var(--font-display); font-size: 2.4rem; font-weight: 400; display: block; line-height: 1.1; }
.form-card { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 34px; }
.form-card fieldset { border: 0; margin-bottom: 30px; }
.form-card legend {
  font-family: var(--font-display); font-size: 1.7rem; letter-spacing: 1px; margin-bottom: 16px;
  display: flex; align-items: center; gap: 10px;
}
.form-card legend .step {
  width: 32px; height: 32px; border-radius: 50%; background: var(--red); display: grid; place-items: center;
  font-family: var(--font-body); font-size: .95rem; font-weight: 800;
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: .85rem; font-weight: 600; color: #d6d6dc; }
.field label .req { color: var(--red); }
.field input, .field select, .field textarea {
  background: #121216; border: 1px solid var(--line); color: var(--text); border-radius: 10px;
  padding: 12px 14px; font: inherit; font-size: .95rem; transition: border-color .2s, box-shadow .2s; width: 100%;
}
.field textarea { resize: vertical; min-height: 84px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--red); box-shadow: 0 0 0 3px var(--red-glow);
}
.field input:user-invalid, .field select:user-invalid { border-color: #ff5a6e; }
.check { display: flex; gap: 12px; align-items: flex-start; font-size: .9rem; color: #cfcfd6; }
.check input { width: 20px; height: 20px; accent-color: var(--red); margin-top: 2px; flex-shrink: 0; }
.form-msg { margin-top: 16px; padding: 14px 16px; border-radius: 10px; font-weight: 600; display: none; }
.form-msg.error { display: block; background: rgba(255, 90, 110, .12); border: 1px solid rgba(255, 90, 110, .4); color: #ffb3bd; }
.form-msg.ok { display: block; background: rgba(31, 157, 85, .12); border: 1px solid rgba(31, 157, 85, .5); color: #9de4bb; }

/* Ubicación */
.location { display: grid; grid-template-columns: 1fr 1.4fr; gap: 30px; align-items: stretch; }
.location-info { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; display: flex; flex-direction: column; gap: 20px; }
.location-info .row { display: flex; gap: 14px; }
.location-info .row .ic {
  width: 44px; height: 44px; flex-shrink: 0; border-radius: 12px; background: rgba(200,16,46,.15);
  display: grid; place-items: center; font-size: 1.3rem;
}
.location-info b { display: block; }
.location-info span { color: var(--muted); font-size: .93rem; }
.map { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); min-height: 380px; }
.map iframe { width: 100%; height: 100%; min-height: 380px; border: 0; filter: grayscale(.2) contrast(1.05); }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 40px 0; color: var(--muted); font-size: .9rem; }
footer .container { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
footer a:hover { color: #fff; }

/* Lightbox */
.lightbox {
  position: fixed; inset: 0; z-index: 100; background: rgba(0,0,0,.92); display: none;
  align-items: center; justify-content: center; padding: 24px;
}
.lightbox.open { display: flex; }
.lightbox img { max-height: 90vh; max-width: 100%; border-radius: 10px; }
.lightbox button {
  position: absolute; top: 18px; right: 22px; background: none; border: 0; color: #fff; font-size: 2.4rem; line-height: 1;
}

/* Animaciones */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .about-grid, .form-wrap, .location { grid-template-columns: 1fr; }
  .form-aside { position: static; }
  .poomsae-list, .uniform-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .infographics { grid-template-columns: 1fr 1fr; }
  .about-img .badge { right: 12px; bottom: 12px; }
}
@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed; top: 72px; left: 0; right: 0; flex-direction: column; gap: 0; align-items: stretch;
    background: rgba(11,11,13,.98); border-bottom: 1px solid var(--line);
    max-height: 0; overflow: hidden; transition: max-height .3s;
  }
  .nav-links.open { max-height: 420px; }
  .nav-links a { padding: 14px 20px; border-top: 1px solid var(--line); }
  .nav-links .btn { margin: 12px 20px; }
  section { padding: 72px 0; }
  .schedule-grid, .pricing, .grid-2, .grid-3, .values, .infographics { grid-template-columns: 1fr; }
  .gallery { grid-auto-rows: 180px; }
  .g-wide { grid-column: span 2; }
  .form-card { padding: 22px; }
  .hero-stats { gap: 22px; }
}