:root {
  --fondo: #0d1b2a;
  --superficie: #12273c;
  --borde: #1f3b55;
  --texto: #eaf2f9;
  --texto-suave: #8fb0c9;
  --cian: #33e0ff;
  --violeta: #a06bff;
  --lima: #b8ff6b;
  --grad: linear-gradient(135deg, #33e0ff, #a06bff);
  --radius: 16px;
  --font: "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--fondo);
  color: var(--texto);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ---------- Botón música ---------- */
.music-btn {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 60;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: none;
  background: var(--grad);
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(51, 224, 255, 0.35);
  transition: transform 0.2s;
}

.music-btn:hover { transform: scale(1.08); }
.music-btn.activa { animation: girar 4s linear infinite; }

@keyframes girar {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
  position: relative;
  background:
    radial-gradient(700px 380px at 50% -10%, rgba(51, 224, 255, 0.16), transparent),
    radial-gradient(500px 300px at 85% 80%, rgba(160, 107, 255, 0.14), transparent),
    var(--fondo);
}

.hero-malla {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(51, 224, 255, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(51, 224, 255, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 40%, black, transparent 75%);
  pointer-events: none;
}

.hero-contenido { position: relative; max-width: 680px; }

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 6px;
  font-size: 0.8rem;
  color: var(--cian);
  font-weight: 800;
  margin-bottom: 18px;
}

.promo {
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -2px;
}

.promo span {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tagline {
  color: var(--texto-suave);
  margin: 18px 0 26px;
  font-size: 1.05rem;
}

.fecha {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.fecha strong { color: var(--cian); }

.lugar { color: var(--texto-suave); margin-bottom: 34px; }

.btn {
  display: inline-block;
  padding: 13px 32px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  background: var(--grad);
  color: #fff;
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(51, 224, 255, 0.35);
}

/* ---------- Secciones base ---------- */
.stats, .recorrido, .mapa, .hashtag, .rsvp {
  max-width: 820px;
  margin: 0 auto;
  padding: 70px 24px;
  text-align: center;
}

.subtitle {
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 0.75rem;
  color: var(--cian);
  font-weight: 800;
  margin-bottom: 12px;
}

.stats h2, .recorrido h2, .mapa h2, .hashtag h2, .rsvp h2 {
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  font-weight: 900;
  margin-bottom: 14px;
}

.hashtag p, .rsvp p, .recorrido p, .stats p {
  color: var(--texto-suave);
  max-width: 520px;
  margin: 0 auto;
}

/* ---------- Stats ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 18px;
  margin-top: 36px;
}

.stat {
  background: var(--superficie);
  border: 1px solid var(--borde);
  border-radius: var(--radius);
  padding: 28px 16px;
}

.stat strong {
  display: block;
  font-size: 2.6rem;
  font-weight: 900;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
  margin-bottom: 8px;
}

.stat span { color: var(--texto-suave); font-size: 0.92rem; }

/* ---------- Timeline ---------- */
.recorrido { border-top: 1px solid var(--borde); }

.timeline {
  margin-top: 34px;
  text-align: left;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.hito {
  position: relative;
  padding: 18px 0 18px 34px;
  border-left: 2px solid var(--cian);
}

.hito::before {
  content: "";
  position: absolute;
  left: -9px;
  top: 26px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--fondo);
  border: 3px solid var(--cian);
}

.ano {
  display: inline-block;
  font-weight: 900;
  color: var(--lima);
  margin-bottom: 4px;
}

.hito p { color: var(--texto-suave); font-size: 0.95rem; margin: 0; }

/* ---------- Mapa ---------- */
.mapa-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--borde);
  margin: 26px 0 22px;
}

.mapa-btn {
  background: transparent;
  border: 2px solid var(--cian);
  color: var(--cian);
}

.mapa-btn:hover { background: rgba(51, 224, 255, 0.1); }

/* ---------- Hashtag ---------- */
.hashtag { border-top: 1px solid var(--borde); }

.tag {
  font-size: clamp(1.6rem, 5vw, 2.6rem) !important;
  font-weight: 900;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 20px 0 8px !important;
}

.redes {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 18px;
}

.red { background: transparent; border: 2px solid var(--borde); color: var(--texto); }
.red:hover { border-color: var(--violeta); box-shadow: none; }

/* ---------- RSVP ---------- */
.rsvp { padding-bottom: 80px; }

.whatsapp {
  margin-top: 20px;
  background: #25d366;
  color: #062b15;
}

.whatsapp:hover {
  background: #3ee07a;
  box-shadow: 0 10px 26px rgba(37, 211, 102, 0.3);
}

/* ---------- Footer ---------- */
footer {
  text-align: center;
  border-top: 1px solid var(--borde);
  padding: 40px 20px;
  color: var(--texto-suave);
}

.gorro { font-size: 1.6rem; }
.firma { font-weight: 900; font-size: 1.3rem; color: var(--texto); }
.cierre { font-size: 0.9rem; }
.creditos { font-size: 0.75rem; margin-top: 16px; opacity: 0.6; }

/* ---------- Animación reveal ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s, transform 0.8s; }
.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 640px) {
  .stats, .recorrido, .mapa, .hashtag, .rsvp { padding: 56px 20px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stat { padding: 22px 12px; }
  .stat strong { font-size: 2rem; }
  .mapa-frame iframe { height: 260px; }
  .timeline { padding-left: 0; }
  .hito { padding-left: 26px; }
}

@media (max-width: 380px) {
  .promo { font-size: 3rem; }
  .fecha { font-size: 1.05rem; letter-spacing: 1px; }
  .stats-grid { grid-template-columns: 1fr; }
}