/* ============================================================================
 *  Invitaciones AR — Estilos del landing
 *  Los colores/fuentes se pueden sobreescribir desde js/config.js (tema)
 * ==========================================================================*/

:root {
  --c-principal: #b08968;
  --c-secundario: #7f5539;
  --c-fondo: #f8f4ef;
  --c-texto: #3d352e;
  --c-suave: rgba(0, 0, 0, 0.06);
  --f-titulos: 'Cormorant Garamond', Georgia, serif;
  --f-texto: 'Jost', system-ui, sans-serif;
  --radio: 16px;
  --sombra: 0 10px 40px rgba(0, 0, 0, 0.08);
  --max: 760px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--f-texto);
  color: var(--c-texto);
  background: var(--c-fondo);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--f-titulos);
  font-weight: 600;
  color: var(--c-secundario);
  margin: 0 0 .4em;
  line-height: 1.1;
}

a { color: var(--c-principal); }

.wrap { width: min(var(--max), 92vw); margin-inline: auto; }

/* ------------------------------ HERO ------------------------------------ */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 48px 20px;
  overflow: hidden;
  background:
    radial-gradient(120% 120% at 50% -10%, color-mix(in srgb, var(--c-principal) 18%, transparent), transparent 60%),
    var(--c-fondo);
}
.hero[data-bg]::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--hero-bg) center/cover no-repeat;
  opacity: .22;
}
.hero__inner { position: relative; z-index: 1; animation: rise .9s ease both; }

.tag {
  display: inline-block;
  font-family: var(--f-texto);
  text-transform: uppercase;
  letter-spacing: .32em;
  font-size: .72rem;
  color: var(--c-principal);
  border: 1px solid color-mix(in srgb, var(--c-principal) 40%, transparent);
  border-radius: 999px;
  padding: 7px 18px;
  margin-bottom: 28px;
}
.hero h1 {
  font-size: clamp(2.8rem, 11vw, 5.5rem);
  letter-spacing: .01em;
  margin-bottom: .25em;
}
.hero__sub {
  font-size: clamp(1rem, 2.6vw, 1.25rem);
  max-width: 34ch;
  margin: 0 auto 10px;
  color: color-mix(in srgb, var(--c-texto) 80%, transparent);
}
.hero__date {
  font-family: var(--f-titulos);
  font-size: clamp(1.3rem, 4vw, 1.9rem);
  color: var(--c-secundario);
  margin-top: 18px;
}
.divider {
  width: 64px; height: 1px; margin: 28px auto;
  background: color-mix(in srgb, var(--c-secundario) 45%, transparent);
  position: relative;
}
.divider::after {
  content: "❦"; position: absolute; top: -.85em; left: 50%; transform: translateX(-50%);
  color: var(--c-principal); font-size: 1.1rem; background: var(--c-fondo); padding: 0 10px;
}

/* --------------------------- BOTONES ------------------------------------ */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--f-texto); font-weight: 500; font-size: 1rem;
  text-decoration: none; cursor: pointer;
  padding: 15px 30px; border-radius: 999px; border: 0;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn--primary {
  background: var(--c-principal); color: #fff;
  box-shadow: 0 8px 24px color-mix(in srgb, var(--c-principal) 45%, transparent);
}
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px color-mix(in srgb, var(--c-principal) 55%, transparent); }
.btn--ghost {
  background: transparent; color: var(--c-secundario);
  border: 1px solid color-mix(in srgb, var(--c-secundario) 35%, transparent);
}
.btn--ghost:hover { background: var(--c-suave); }
.btn__icon { font-size: 1.2em; line-height: 1; }

.hero__cta { margin-top: 34px; display: flex; gap: 14px; flex-wrap: wrap; justify-content: center; }

/* ------------------------- CUENTA REGRESIVA ----------------------------- */
.countdown { display: flex; gap: 14px; justify-content: center; margin-top: 36px; }
.cd__box {
  background: #fff; border-radius: var(--radio); box-shadow: var(--sombra);
  padding: 14px 6px; min-width: 74px;
}
.cd__num { font-family: var(--f-titulos); font-size: clamp(1.6rem, 6vw, 2.4rem); color: var(--c-secundario); line-height: 1; }
.cd__lbl { font-size: .65rem; text-transform: uppercase; letter-spacing: .18em; opacity: .6; margin-top: 6px; }

/* ------------------------- SECCIONES ------------------------------------ */
section.block { padding: 80px 0; }
section.block.alt { background: #fff; }
.block h2 { text-align: center; font-size: clamp(1.9rem, 6vw, 2.8rem); margin-bottom: 8px; }
.block .lead { text-align: center; max-width: 46ch; margin: 0 auto 44px; opacity: .8; }

/* tarjetas de ubicación */
.cards { display: grid; gap: 22px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.card {
  background: var(--c-fondo); border: 1px solid var(--c-suave);
  border-radius: var(--radio); padding: 28px; text-align: center;
}
section.block.alt .card { background: var(--c-fondo); }
.card h3 { font-size: 1.5rem; }
.card .meta { font-size: .95rem; opacity: .8; margin: 2px 0; }
.card .btn { margin-top: 16px; }

/* cómo funciona AR */
.steps { display: grid; gap: 26px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); counter-reset: s; }
.step { text-align: center; }
.step__n {
  counter-increment: s;
  width: 54px; height: 54px; margin: 0 auto 14px;
  display: grid; place-items: center; border-radius: 50%;
  background: color-mix(in srgb, var(--c-principal) 14%, transparent);
  color: var(--c-secundario); font-family: var(--f-titulos); font-size: 1.6rem;
}
.step__n::before { content: counter(s); }

/* RSVP */
.rsvp { text-align: center; }
.rsvp__limite { font-size: .9rem; opacity: .7; margin-top: 14px; }

/* firma / footer */
.firma { text-align: center; padding: 70px 20px 30px; }
.firma .sig { font-family: var(--f-titulos); font-size: clamp(1.8rem, 6vw, 2.6rem); color: var(--c-secundario); }
.firma .hash { letter-spacing: .2em; font-size: .85rem; opacity: .6; margin-top: 10px; }
footer { text-align: center; padding: 20px; font-size: .75rem; opacity: .45; }

/* --------------------------- ANIMACIÓN ---------------------------------- */
@keyframes rise { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .hero__inner { animation: none; } }

/* --------------------------- AR PAGE ------------------------------------ */
.ar-ui {
  position: fixed; inset: 0; z-index: 10; pointer-events: none;
  font-family: var(--f-texto); color: #fff;
}
.ar-top {
  position: absolute; top: 0; left: 0; right: 0;
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 18px; pointer-events: auto;
  background: linear-gradient(to bottom, rgba(0,0,0,.45), transparent);
}
.ar-back {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(0,0,0,.45); color: #fff; text-decoration: none;
  padding: 9px 16px; border-radius: 999px; font-size: .9rem; backdrop-filter: blur(6px);
}
.ar-hint {
  position: absolute; left: 50%; bottom: 42px; transform: translateX(-50%);
  background: rgba(0,0,0,.55); padding: 12px 22px; border-radius: 999px;
  font-size: .95rem; text-align: center; backdrop-filter: blur(6px);
  transition: opacity .4s ease; max-width: 86vw;
}
.ar-hint.hide { opacity: 0; }
.scan-frame {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: min(70vw, 300px); aspect-ratio: 1 / 1.3;
  border: 2px dashed rgba(255,255,255,.7); border-radius: 18px;
  transition: opacity .4s ease;
}
.scan-frame.hide { opacity: 0; }

/* Pantalla de inicio AR (pide permiso de cámara con un toque) */
.ar-start {
  position: fixed; inset: 0; z-index: 20;
  display: grid; place-items: center; text-align: center;
  background: var(--c-fondo); color: var(--c-texto); padding: 24px;
}
.ar-start__card { max-width: 420px; }
.ar-start h2 { font-size: 2rem; }
.ar-start p { opacity: .8; margin-bottom: 24px; }
.ar-start .big-emoji { font-size: 3.4rem; display: block; margin-bottom: 12px; }

/* ============================================================================
 *  TEMA "ESPACIO" — starfield, brillos y glassmorphism (fiesta galáctica)
 *  Se activa cuando config.tema.estilo === "espacio" (body.tema-espacio)
 * ==========================================================================*/
.tema-espacio {
  background: var(--c-fondo);
  color: var(--c-texto);
}

/* Campo de estrellas fijo + nebulosa (detrás del contenido) */
.tema-espacio::before {
  content: "";
  position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background-color: var(--c-fondo);
  background-image:
    radial-gradient(1px 1px at 10% 20%, #ffffff, transparent),
    radial-gradient(1px 1px at 30% 70%, #cfe3ff, transparent),
    radial-gradient(1.5px 1.5px at 60% 40%, #ffffff, transparent),
    radial-gradient(1px 1px at 80% 10%, #ffffff, transparent),
    radial-gradient(1px 1px at 90% 60%, #cfe3ff, transparent),
    radial-gradient(1px 1px at 45% 85%, #ffffff, transparent),
    radial-gradient(1.5px 1.5px at 15% 55%, #ffffff, transparent),
    radial-gradient(1px 1px at 70% 80%, #cfe3ff, transparent),
    radial-gradient(1px 1px at 25% 35%, #ffffff, transparent),
    radial-gradient(1px 1px at 52% 12%, #ffffff, transparent);
  background-repeat: repeat;
  background-size: 320px 320px;
  animation: stardrift 240s linear infinite;
}
/* Nebulosa/glow superior */
.tema-espacio::after {
  content: "";
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60% 45% at 50% -5%, color-mix(in srgb, var(--c-principal) 22%, transparent), transparent 70%),
    radial-gradient(45% 40% at 85% 15%, color-mix(in srgb, var(--c-secundario) 12%, transparent), transparent 70%);
}
@keyframes stardrift { from { background-position: 0 0; } to { background-position: 320px 640px; } }

/* Hero transparente para ver las estrellas detrás */
.tema-espacio .hero { background: transparent; }
.tema-espacio .hero h1 {
  letter-spacing: .04em;
  text-shadow: 0 0 24px color-mix(in srgb, var(--c-secundario) 55%, transparent);
}
.tema-espacio .tag {
  letter-spacing: .38em;
  background: color-mix(in srgb, var(--c-principal) 10%, transparent);
  box-shadow: 0 0 18px color-mix(in srgb, var(--c-principal) 30%, transparent);
}
.tema-espacio .divider::after { content: "✦"; background: transparent; }

/* Secciones y tarjetas en "vidrio" oscuro */
.tema-espacio section.block.alt { background: rgba(255, 255, 255, 0.03); }
.tema-espacio .card {
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(6px);
}
.tema-espacio .cd__box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 24px rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(6px);
}
.tema-espacio .step__n {
  background: color-mix(in srgb, var(--c-principal) 18%, transparent);
  box-shadow: 0 0 20px color-mix(in srgb, var(--c-principal) 35%, transparent);
}

/* Botón principal con brillo tipo "sable" */
.tema-espacio .btn--primary {
  box-shadow: 0 0 22px color-mix(in srgb, var(--c-principal) 60%, transparent);
}
.tema-espacio .btn--primary:hover {
  box-shadow: 0 0 34px color-mix(in srgb, var(--c-principal) 80%, transparent);
}
.tema-espacio .btn--ghost { border-color: color-mix(in srgb, var(--c-texto) 30%, transparent); color: var(--c-texto); }
.tema-espacio .btn--ghost:hover { background: rgba(255, 255, 255, 0.06); }

/* Footer / firma */
.tema-espacio .firma .sig { text-shadow: 0 0 20px color-mix(in srgb, var(--c-secundario) 45%, transparent); }

/* Página AR con starfield también */
.tema-espacio .ar-start { background: transparent; }

@media (prefers-reduced-motion: reduce) {
  .tema-espacio::before { animation: none; }
}