/* =========================================================
   TUKSURY HAPKIDO MÉXICO — Estilos
   Paleta: negro marcial + naranja quemado + crema
   ========================================================= */

:root {
  --bg: #0b0b0d;
  --bg-soft: #131317;
  --surface: #1a1a20;
  --surface-2: #212129;
  --orange: #e07b2a;
  --orange-deep: #c2571c;
  --orange-soft: rgba(224, 123, 42, 0.14);
  --cream: #f3e6cd;
  --text: #ececed;
  --muted: #a3a3ad;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);
  --radius: 14px;
  --radius-lg: 22px;
  --shadow: 0 22px 60px rgba(0, 0, 0, 0.55);
  --maxw: 1180px;
  --header-h: 76px;
  --font-display: "Anton", "Oswald", sans-serif;
  --font-head: "Oswald", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, video { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: 0.01em;
  margin: 0 0 0.5em;
  text-transform: uppercase;
}
h1 { font-family: var(--font-display); font-size: clamp(2.6rem, 7vw, 5.4rem); font-weight: 400; }
h2 { font-size: clamp(1.9rem, 4vw, 3rem); }
h3 { font-size: clamp(1.2rem, 2.2vw, 1.5rem); }

p { margin: 0 0 1.1em; color: var(--muted); }

::selection { background: var(--orange); color: #100a04; }

/* ---------- Layout helpers ---------- */
.container { width: min(100% - 2.4rem, var(--maxw)); margin-inline: auto; }
.section { padding: clamp(4rem, 9vw, 7.5rem) 0; position: relative; }
.section--soft { background: var(--bg-soft); }
.section--surface { background: linear-gradient(180deg, var(--bg-soft), var(--bg)); }
.grid { display: grid; gap: 1.4rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.text-center { text-align: center; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.95rem 1.7rem;
  border-radius: 999px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.2s ease, box-shadow 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--primary {
  background: linear-gradient(135deg, var(--orange), var(--orange-deep));
  color: #140b03;
  box-shadow: 0 14px 30px rgba(224, 123, 42, 0.32);
}
.btn--primary:hover { box-shadow: 0 18px 40px rgba(224, 123, 42, 0.45); }
.btn--ghost { background: transparent; border-color: var(--border-strong); color: var(--text); }
.btn--ghost:hover { border-color: var(--orange); color: var(--orange); }
.btn--wa { background: #25d366; color: #06331a; }
.btn--wa:hover { box-shadow: 0 16px 34px rgba(37, 211, 102, 0.35); }
.btn svg { width: 18px; height: 18px; }

/* ---------- Header ---------- */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
}
.header.is-scrolled {
  background: rgba(11, 11, 13, 0.86);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--border);
}
.header__inner { display: flex; align-items: center; gap: 1.2rem; width: 100%; }
.brand { display: flex; align-items: center; gap: 0.7rem; flex-shrink: 0; }
.brand img { width: 46px; height: 46px; border-radius: 50%; }
.brand__text { line-height: 1.05; }
.brand__text strong {
  display: block;
  font-family: var(--font-head);
  font-size: 1.02rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--cream);
}
.brand__text span { font-size: 0.68rem; letter-spacing: 0.22em; color: var(--orange); text-transform: uppercase; }

.nav { margin-left: auto; }
.nav__list { display: flex; align-items: center; gap: 0.15rem; }
.nav__link {
  display: block;
  padding: 0.55rem 0.72rem;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--muted);
  border-radius: 8px;
  transition: color 0.18s ease, background 0.18s ease;
}
.nav__link:hover, .nav__link.is-active { color: var(--text); background: rgba(255, 255, 255, 0.05); }
.nav__link.is-active { color: var(--orange); }
.header .btn { padding: 0.7rem 1.25rem; font-size: 0.8rem; }

.burger {
  display: none;
  margin-left: auto;
  width: 46px; height: 46px;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  position: relative;
}
.burger span, .burger span::before, .burger span::after {
  content: ""; position: absolute; left: 50%; top: 50%;
  width: 20px; height: 2px; background: var(--text);
  transform: translate(-50%, -50%);
  transition: transform 0.25s ease, opacity 0.2s ease;
}
.burger span::before { top: -6px; }
.burger span::after { top: 6px; }
body.nav-open .burger span { background: transparent; }
body.nav-open .burger span::before { transform: translate(-50%, -50%) rotate(45deg); top: 0; }
body.nav-open .burger span::after { transform: translate(-50%, -50%) rotate(-45deg); top: 0; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 3rem) 0 4rem;
  overflow: hidden;
}
.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(1200px 600px at 78% 12%, rgba(224, 123, 42, 0.22), transparent 60%),
    radial-gradient(900px 500px at 8% 90%, rgba(37, 99, 235, 0.16), transparent 60%),
    linear-gradient(180deg, #0d0d10 0%, #0b0b0d 100%);
}
.hero__bg::after {
  content: "";
  position: absolute; inset: 0;
  background-image: url("../img/poster-hapkido.png");
  background-size: cover;
  background-position: 78% 20%;
  opacity: 0.16;
  mix-blend-mode: luminosity;
  mask-image: linear-gradient(90deg, transparent 30%, #000 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 30%, #000 100%);
}
.hero__inner { position: relative; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 3rem; align-items: center; }
.hero__eyebrow {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-head);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--orange);
  margin-bottom: 1.2rem;
}
.hero__eyebrow::before { content: ""; width: 34px; height: 2px; background: var(--orange); }
.hero h1 { margin-bottom: 1rem; }
.hero h1 .accent { color: var(--orange); }
.hero__lead { font-size: 1.15rem; max-width: 46ch; color: #c9c9d2; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 1.8rem; }
.hero__meta { display: flex; flex-wrap: wrap; gap: 1.6rem; margin-top: 2.4rem; }
.hero__meta div strong {
  display: block; font-family: var(--font-display); font-size: 1.9rem; color: var(--cream); line-height: 1;
}
.hero__meta div span { font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); }

.hero__art { position: relative; display: flex; justify-content: center; }
.hero__art img { width: min(100%, 420px); filter: drop-shadow(0 30px 60px rgba(0, 0, 0, 0.6)); animation: float 7s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

/* ---------- Section headers ---------- */
.eyebrow {
  display: inline-block;
  font-family: var(--font-head);
  letter-spacing: 0.26em;
  text-transform: uppercase;
  font-size: 0.74rem;
  color: var(--orange);
  margin-bottom: 0.9rem;
}
.section__head { max-width: 720px; margin-bottom: 3rem; }
.section__head--center { margin-inline: auto; text-align: center; }
.section__lead { font-size: 1.08rem; }

/* ---------- Cards ---------- */
.card {
  background: linear-gradient(160deg, var(--surface), var(--bg-soft));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.9rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
  height: 100%;
}
.card::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 3px;
  background: linear-gradient(180deg, var(--orange), transparent);
  opacity: 0; transition: opacity 0.25s ease;
}
.card:hover { transform: translateY(-6px); border-color: var(--border-strong); box-shadow: var(--shadow); }
.card:hover::before { opacity: 1; }
.card h3 { color: var(--cream); }
.card p:last-child { margin-bottom: 0; }
.card__icon {
  width: 52px; height: 52px; border-radius: 13px;
  display: grid; place-items: center;
  background: var(--orange-soft);
  border: 1px solid rgba(224, 123, 42, 0.3);
  color: var(--orange);
  margin-bottom: 1.2rem;
}
.card__icon svg { width: 26px; height: 26px; }
.card__num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: rgba(224, 123, 42, 0.35);
  line-height: 1;
  margin-bottom: 0.4rem;
}

/* ---------- Lists ---------- */
.checks { display: grid; gap: 0.7rem; }
.checks li { position: relative; padding-left: 1.9rem; color: #c9c9d2; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 0.55em;
  width: 10px; height: 10px; border-radius: 3px;
  background: var(--orange);
  transform: rotate(45deg);
}
.pills { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.pill {
  padding: 0.45rem 1rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--cream);
  background: rgba(255, 255, 255, 0.03);
}

/* ---------- Split (image + text) ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.split--reverse .split__media { order: 2; }
.split__media { position: relative; }
.split__media img { border-radius: var(--radius-lg); border: 1px solid var(--border); width: 100%; }
.split__media--logo { display: grid; place-items: center; }
.split__media--logo img { width: min(100%, 360px); border: none; filter: drop-shadow(0 24px 50px rgba(0,0,0,0.5)); }

/* ---------- Quote band ---------- */
.quote {
  text-align: center;
  padding: clamp(3rem, 8vw, 6rem) 0;
  background:
    radial-gradient(700px 300px at 50% 0%, rgba(224, 123, 42, 0.18), transparent 70%),
    var(--bg-soft);
  border-block: 1px solid var(--border);
}
.quote blockquote {
  margin: 0 auto;
  max-width: 880px;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 3rem);
  line-height: 1.15;
  color: var(--cream);
  text-transform: uppercase;
}
.quote blockquote .accent { color: var(--orange); }

/* ---------- Belt / grades ---------- */
.belts { display: flex; flex-wrap: wrap; gap: 0.9rem; justify-content: center; }
.belt {
  display: flex; align-items: center; gap: 0.7rem;
  padding: 0.75rem 1.2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.9rem;
  color: var(--cream);
}
.belt i { width: 26px; height: 8px; border-radius: 3px; display: inline-block; }
.belt--white i { background: #f4f4f4; }
.belt--yellow i { background: #f2c200; }
.belt--orange i { background: #e07b2a; }
.belt--green i { background: #2f9e44; }
.belt--blue i { background: #2b6cb0; }
.belt--red i { background: #d6336c; }
.belt--brown i { background: #7b4a24; }
.belt--black i { background: #111; border: 1px solid #555; }

/* ---------- Gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; grid-auto-rows: 210px; }
.gallery figure { margin: 0; position: relative; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--border); }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.gallery figure:hover img { transform: scale(1.06); }
.gallery figure figcaption {
  position: absolute; inset: auto 0 0 0;
  padding: 1.4rem 1.1rem 0.9rem;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.85));
  font-family: var(--font-head);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.9rem;
  color: var(--cream);
}
.gallery .span-6 { grid-column: span 6; }
.gallery .span-4 { grid-column: span 4; }
.gallery .span-8 { grid-column: span 8; }
.gallery .span-12 { grid-column: span 12; }
.gallery .row-2 { grid-row: span 2; }

.video-wrap { margin-top: 2rem; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); background: #000; }
.video-wrap video { width: 100%; display: block; }

/* ---------- FAQ ---------- */
.faq { max-width: 860px; margin-inline: auto; display: grid; gap: 0.8rem; }
.faq details {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0 1.3rem;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.faq details[open] { border-color: rgba(224, 123, 42, 0.45); background: var(--surface-2); }
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 1.15rem 2.4rem 1.15rem 0;
  font-family: var(--font-head);
  font-weight: 500;
  color: var(--cream);
  position: relative;
  font-size: 1.02rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
  font-size: 1.5rem; color: var(--orange); font-weight: 400; transition: transform 0.25s ease;
}
.faq details[open] summary::after { content: "–"; }
.faq details p { padding-bottom: 1.15rem; margin: 0; }

/* ---------- CTA band ---------- */
.cta {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: clamp(2.4rem, 6vw, 4.5rem);
  background:
    radial-gradient(700px 400px at 15% 20%, rgba(224, 123, 42, 0.32), transparent 65%),
    linear-gradient(135deg, #1a1a20, #0d0d10);
  border: 1px solid var(--border-strong);
}
.cta__inner { position: relative; display: grid; grid-template-columns: 1.4fr 1fr; gap: 2.4rem; align-items: center; }
.cta h2 { margin-bottom: 0.6rem; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 0.9rem; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.4rem; align-items: start; }
.contact-list { display: grid; gap: 1rem; }
.contact-item {
  display: flex; align-items: center; gap: 1rem;
  padding: 1.1rem 1.3rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.contact-item:hover { border-color: var(--orange); transform: translateX(4px); }
.contact-item svg { width: 24px; height: 24px; color: var(--orange); flex-shrink: 0; }
.contact-item strong { display: block; color: var(--cream); font-family: var(--font-head); letter-spacing: 0.04em; }
.contact-item span { color: var(--muted); font-size: 0.92rem; }

/* ---------- Page hero (interior pages) ---------- */
.page-hero {
  padding: calc(var(--header-h) + 4.5rem) 0 3.5rem;
  position: relative;
  background:
    radial-gradient(800px 400px at 85% 0%, rgba(224, 123, 42, 0.2), transparent 65%),
    linear-gradient(180deg, #101014, var(--bg));
  border-bottom: 1px solid var(--border);
}
.page-hero h1 { font-size: clamp(2.2rem, 5.5vw, 4rem); margin-bottom: 0.6rem; }
.page-hero p { max-width: 62ch; font-size: 1.1rem; margin: 0; }
.breadcrumb { font-size: 0.8rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--orange); margin-bottom: 1rem; font-family: var(--font-head); }

/* ---------- Footer ---------- */
.footer {
  background: #08080a;
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
}
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 2.4rem; }
.footer__brand { display: flex; align-items: center; gap: 0.8rem; margin-bottom: 1rem; }
.footer__brand img { width: 54px; height: 54px; border-radius: 50%; }
.footer__brand strong { font-family: var(--font-head); text-transform: uppercase; letter-spacing: 0.05em; color: var(--cream); display: block; }
.footer h4 { color: var(--cream); font-size: 0.92rem; letter-spacing: 0.14em; margin-bottom: 1rem; }
.footer__links { display: grid; gap: 0.55rem; }
.footer__links a { color: var(--muted); font-size: 0.92rem; transition: color 0.18s ease; }
.footer__links a:hover { color: var(--orange); }
.footer__bottom {
  margin-top: 3rem; padding-top: 1.6rem;
  border-top: 1px solid var(--border);
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
  font-size: 0.82rem; color: #6f6f79;
}
.socials { display: flex; gap: 0.7rem; margin-top: 1rem; }
.socials a {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  border: 1px solid var(--border-strong); color: var(--muted); transition: all 0.2s ease;
}
.socials a:hover { color: var(--orange); border-color: var(--orange); transform: translateY(-3px); }
.socials svg { width: 19px; height: 19px; }

/* ---------- Floating WhatsApp ---------- */
.wa-float {
  position: fixed; right: 1.3rem; bottom: 1.3rem; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25d366; color: #06331a;
  display: grid; place-items: center;
  box-shadow: 0 14px 34px rgba(37, 211, 102, 0.42);
  transition: transform 0.2s ease;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__art img { animation: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__art { order: -1; }
  .hero__art img { width: min(64%, 300px); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .contact-grid, .cta__inner, .split { grid-template-columns: 1fr; }
  .split--reverse .split__media { order: 0; }
}

@media (max-width: 860px) {
  .burger { display: block; }
  .nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    background: rgba(9, 9, 11, 0.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    max-height: 0; overflow: hidden;
    transition: max-height 0.35s ease;
    margin-left: 0;
  }
  body.nav-open .nav { max-height: calc(100vh - var(--header-h)); overflow-y: auto; }
  .nav__list { flex-direction: column; align-items: stretch; padding: 1rem 1.2rem 1.6rem; gap: 0.2rem; }
  .nav__link { padding: 0.85rem 0.9rem; font-size: 0.95rem; border-bottom: 1px solid var(--border); border-radius: 0; }
  .header .btn--header-cta { display: none; }
  .gallery { grid-template-columns: 1fr; grid-auto-rows: 220px; }
  .gallery .span-4, .gallery .span-6, .gallery .span-8, .gallery .span-12 { grid-column: span 1; }
  .gallery .row-2 { grid-row: span 1; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }
  .hero { min-height: auto; }
  .hero__meta { gap: 1.2rem; }
  .footer__grid { grid-template-columns: 1fr; }
  .btn { width: 100%; justify-content: center; }
  .hero__actions, .cta__actions { flex-direction: column; }
}