@import url("tokens.css");

/* ===========================================================
   Protocolo Avatar — landing
   Estetica: luxury fashion futurista.
   Colores y tipografia desde 00-brand/tokens.css. Sin hex sueltos
   salvo los velos translucidos sobre imagen, que son opacidades.
   =========================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

.grano {
  position: fixed; inset: 0; z-index: 3; pointer-events: none;
  opacity: 0.12; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 0;
}

.eyebrow {
  font-family: var(--font-heading);
  font-size: 0.68rem; font-weight: 400;
  letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--color-gold);
  margin: 0 0 var(--space-6);
}

.cabecera { max-width: 680px; margin: 0 auto var(--space-16); text-align: center; }
.cabecera h2 { font-size: clamp(2.2rem, 5.5vw, 3.6rem); }
.intro { color: var(--color-text-muted); font-size: var(--text-md); margin: var(--space-6) 0 0; }

main > section {
  position: relative; z-index: 2;
  padding: clamp(var(--space-16), 11vw, var(--space-24)) clamp(var(--space-6), 5vw, var(--space-12));
  max-width: var(--container);
  margin-inline: auto;
}

/* La barra es fija: sin esto los anclajes dejan el titulo tapado debajo */
[id] { scroll-margin-top: 84px; }

/* ---------- Botones ---------- */
.btn {
  display: inline-block;
  padding: var(--space-3) var(--space-8);
  background: var(--color-accent);
  color: #14100C;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 0.88rem; font-weight: 500;
  letter-spacing: 0.03em;
  text-decoration: none; cursor: pointer;
  transition: background var(--duration) var(--ease), transform var(--duration) var(--ease);
}
.btn:hover { background: var(--color-accent-hover); transform: translateY(-1px); }
.btn--grande { padding: var(--space-4) var(--space-12); font-size: 0.98rem; }
.btn--sm { padding: var(--space-2) var(--space-6); font-size: 0.78rem; }

.enlace-sutil {
  font-family: var(--font-heading); font-size: 0.85rem;
  color: var(--color-text-muted); text-decoration: none;
  letter-spacing: 0.04em;
  transition: color var(--duration) var(--ease);
}
.enlace-sutil:hover { color: var(--color-gold); }

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; gap: var(--space-8);
  padding: var(--space-4) clamp(var(--space-6), 5vw, var(--space-12));
  background: color-mix(in srgb, var(--color-bg) 60%, transparent);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid color-mix(in srgb, var(--color-border) 60%, transparent);
}
.nav__marca {
  font-family: var(--font-heading); font-weight: 500; font-size: 0.9rem;
  letter-spacing: 0.4em; color: var(--color-text); text-decoration: none;
}
.nav__links { display: flex; gap: var(--space-8); margin-left: auto; }
.nav__links a {
  color: var(--color-text-muted); text-decoration: none;
  font-family: var(--font-heading); font-size: 0.82rem; letter-spacing: 0.06em;
  transition: color var(--duration) var(--ease);
}
.nav__links a:hover { color: var(--color-text); }

/* ---------- Hero: imagen a sangre, texto sobre el espacio libre ---------- */
.hero {
  position: relative;
  max-width: none !important;
  min-height: 100svh;
  padding: 0 !important;
  display: flex; align-items: center;
  overflow: hidden;
}
.hero__fondo {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: 70% center;
}
.hero__velo {
  position: absolute; inset: 0;
  background:
    linear-gradient(100deg,
      color-mix(in srgb, var(--color-bg) 92%, transparent) 0%,
      color-mix(in srgb, var(--color-bg) 74%, transparent) 34%,
      transparent 62%),
    linear-gradient(to top,
      color-mix(in srgb, var(--color-bg) 88%, transparent) 0%,
      transparent 34%);
}
.hero__contenido {
  position: relative; z-index: 2;
  max-width: 620px;
  padding: clamp(var(--space-16), 12vw, var(--space-24)) clamp(var(--space-6), 5vw, var(--space-16));
}
.hero h1 {
  font-size: clamp(3rem, 9vw, 6.4rem);
  margin-bottom: var(--space-4);
}
.hero h1 em { font-style: italic; color: var(--color-accent); }
.hero__bajada {
  font-family: var(--font-heading);
  font-size: var(--text-md);
  font-weight: 400;
  color: var(--color-text);
  max-width: 30ch;
  margin: 0 0 var(--space-6);
}
.hero__sub {
  font-size: var(--text-md);
  color: var(--color-text-muted);
  max-width: 44ch;
  margin: 0 0 var(--space-12);
}
.hero__acciones { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-8); }
.hero__pie {
  position: absolute; bottom: var(--space-6); right: clamp(var(--space-6), 5vw, var(--space-12));
  z-index: 2; margin: 0;
  font-family: var(--font-heading);
  font-size: 0.62rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ---------- Declaracion ---------- */
.declaracion { text-align: center; border-bottom: 1px solid var(--color-border); }
.declaracion__texto {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4.4vw, 3rem);
  line-height: 1.25; font-weight: 300;
  color: var(--color-text-muted);
  margin: 0; max-width: 22ch; margin-inline: auto;
}
.declaracion__texto em { font-style: italic; color: var(--color-accent); }

/* ---------- Galeria en mosaico ---------- */
.galeria {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.galeria__pieza { margin: 0; overflow: hidden; border-radius: var(--radius-md); border: 1px solid var(--color-border); }
.galeria__pieza img {
  width: 100%; height: 100%; object-fit: cover;
  aspect-ratio: 4 / 3;
  filter: saturate(0.96);
  transition: transform 600ms var(--ease), filter 600ms var(--ease);
}
.galeria__pieza--alta { grid-row: span 2; }
.galeria__pieza--alta img { aspect-ratio: 4 / 6.3; }
.galeria__pieza:hover img { transform: scale(1.03); filter: saturate(1.08); }

/* ---------- Curso ---------- */
.curso__partido {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
  margin-bottom: clamp(var(--space-16), 8vw, var(--space-24));
}
.curso__figura { margin: 0; }
.curso__figura img {
  width: 100%; border-radius: var(--radius-lg);
  border: 1px solid var(--color-border); box-shadow: var(--shadow-lg);
}
.curso__texto h2 { font-size: clamp(2rem, 4.6vw, 3.2rem); }

.modulos {
  list-style: none; padding: 0; margin: 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.modulo {
  background: var(--color-surface);
  padding: clamp(var(--space-6), 3vw, var(--space-12));
  transition: background var(--duration) var(--ease);
}
.modulo:hover { background: var(--color-surface-alt); }
.modulo__num {
  font-family: var(--font-display); font-style: italic;
  font-size: 1.8rem; color: var(--color-gold);
  display: block; margin-bottom: var(--space-4);
}
.modulo h3 { font-size: 1.45rem; margin-bottom: var(--space-3); }
.modulo p { color: var(--color-text-muted); margin: 0; font-size: 0.94rem; }

/* ---------- Para quien ---------- */
.quien__columnas { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.quien__col {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 3vw, var(--space-12));
}
.quien__col h3 { font-size: 1.4rem; margin-bottom: var(--space-6); }
.quien__col--si h3 { color: var(--color-sage); }
.quien__col--no h3 { color: var(--color-text-muted); }
.quien__col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-4); }
.quien__col li {
  position: relative; padding-left: var(--space-6);
  color: var(--color-text-muted); font-size: 0.95rem;
}
.quien__col--si li::before { content: "—"; position: absolute; left: 0; color: var(--color-sage); }
.quien__col--no li::before { content: "—"; position: absolute; left: 0; color: var(--color-border); }

/* ---------- Pasos ---------- */
.pasos { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: var(--space-12); }
.paso__num {
  display: grid; place-items: center;
  width: 44px; height: 44px;
  border: 1px solid var(--color-gold);
  border-radius: var(--radius-full);
  color: var(--color-gold);
  font-family: var(--font-display); font-size: 1.2rem;
  margin-bottom: var(--space-6);
}
.paso h3 { font-size: 1.3rem; margin-bottom: var(--space-3); }
.paso p { color: var(--color-text-muted); margin: 0; font-size: 0.94rem; }
.cta-central { text-align: center; margin-top: clamp(var(--space-16), 7vw, var(--space-24)); }
.aviso { font-size: var(--text-xs); color: var(--color-warning); margin: var(--space-4) 0 0; }

/* ---------- FAQ ---------- */
.faq { max-width: 780px; margin-inline: auto; display: grid; gap: 1px; background: var(--color-border); border: 1px solid var(--color-border); border-radius: var(--radius-lg); overflow: hidden; }
.faq details { background: var(--color-surface); padding: var(--space-6) var(--space-8); }
.faq summary {
  cursor: pointer; list-style: none;
  font-family: var(--font-heading); font-size: 1rem; font-weight: 400;
  display: flex; justify-content: space-between; gap: var(--space-4);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--color-accent); font-size: 1.4rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--color-text-muted); margin: var(--space-4) 0 0; font-size: 0.94rem; max-width: 62ch; }

/* ---------- Cierre a sangre ---------- */
.cierre {
  position: relative;
  max-width: none !important;
  min-height: 78svh;
  padding: 0 !important;
  display: grid; place-items: center;
  overflow: hidden; text-align: center;
}
.cierre__fondo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.cierre__velo {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center,
    color-mix(in srgb, var(--color-bg) 72%, transparent) 0%,
    color-mix(in srgb, var(--color-bg) 94%, transparent) 72%);
}
.cierre__contenido { position: relative; z-index: 2; padding: var(--space-16) var(--space-6); }
.cierre h2 { font-size: clamp(2.2rem, 6.5vw, 4.6rem); margin-bottom: var(--space-6); }
.cierre p { color: var(--color-text-muted); font-size: var(--text-md); margin: 0 0 var(--space-12); }

/* ---------- Pie ---------- */
.pie {
  position: relative; z-index: 2;
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) clamp(var(--space-6), 5vw, var(--space-12));
  display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: space-between;
  color: var(--color-text-muted); font-size: var(--text-xs);
}
.pie p { margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .curso__partido, .quien__columnas { grid-template-columns: 1fr; }
  .curso__figura { order: -1; }
  .galeria { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .nav__links { display: none; }
  .hero { min-height: 92svh; }
  .hero__fondo { object-position: 62% center; }
  .hero__velo {
    background: linear-gradient(to top,
      color-mix(in srgb, var(--color-bg) 95%, transparent) 0%,
      color-mix(in srgb, var(--color-bg) 78%, transparent) 46%,
      color-mix(in srgb, var(--color-bg) 40%, transparent) 100%);
  }
  .galeria__pieza--alta { grid-row: span 1; }
  .galeria__pieza--alta img { aspect-ratio: 4 / 3; }
}

@media (prefers-reduced-motion: reduce) {
  .galeria__pieza:hover img { transform: none; }
}