/*
  LIZNA — Sistema visual global (extraído de la home, lizna.es)
  Usado por: index.html (home) y todas las páginas internas
  (landings sociales /instagram /tiktok /facebook /youtube).

  Colores de marca (coinciden con tailwind.config de cada página):
  lizna.purple = #2A003A
  lizna.deep   = #0F0F0F
  lizna.gold   = #C9A24D
  lizna.ivory  = #F6F3EE
*/

:root {
  --lizna-purple: #2A003A;
  --lizna-deep: #0F0F0F;
  --lizna-gold: #C9A24D;
  --lizna-gold-ink: #7A5A1E;
  --lizna-ivory: #F6F3EE;
  --lizna-bg: #22102E;
  --lizna-ink: #F6F3EE;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background:
    radial-gradient(circle at 50% 0%, #4A0068 0%, transparent 55%),
    radial-gradient(circle at 90% 90%, #3B0050 0%, transparent 55%),
    radial-gradient(circle at 5% 95%, #2A003A 0%, transparent 50%),
    var(--lizna-bg);
  background-attachment: fixed;
  color: var(--lizna-ink);
  position: relative;
}

body::before {
  content: '';
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  opacity: 0.045; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.font-serif { font-family: 'Playfair Display', serif; }

.lizna-gradient {
  background:
    radial-gradient(circle at 50% 15%, #5C0080 0%, transparent 55%),
    radial-gradient(circle at 85% 85%, #3B0050 0%, transparent 50%),
    radial-gradient(circle at 10% 90%, #2A003A 0%, transparent 45%),
    var(--lizna-bg);
}

.gold-text {
  background: linear-gradient(135deg, #F3DFA8 0%, #C9A24D 45%, #9C7A2F 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 9999px;
  border: 1.5px solid rgba(201, 162, 77, 0.35);
  color: var(--lizna-ivory);
  transition: transform 0.25s ease, border-color 0.25s ease, background-color 0.25s ease, color 0.25s ease;
}
.social-icon svg { width: 20px; height: 20px; }
.social-icon:hover {
  transform: translateY(-3px);
  background-color: var(--lizna-gold);
  border-color: var(--lizna-gold);
  color: var(--lizna-deep);
}

.gold-line {
  background: linear-gradient(90deg, transparent, #C9A24D, transparent);
  display: block;
  width: 0;
  transition: width 1.4s cubic-bezier(0.16, 1, 0.3, 1) 0.3s;
}
.reveal.is-visible .gold-line { width: 4rem; }

.card-ecosistema {
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.45s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.45s ease;
  position: relative;
  isolation: isolate;
}
.card-ecosistema:hover {
  transform: translateY(-8px) scale(1.015);
  box-shadow: 0 20px 60px -15px var(--glow, rgba(201,162,77,0.35));
  overflow: hidden;
}
.card-ecosistema::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
  background: radial-gradient(380px circle at var(--mx, 50%) var(--my, 50%), rgba(201,162,77,0.18), transparent 70%);
}
.card-ecosistema:hover::before { opacity: 1; }
.card-ecosistema.is-disabled {
  opacity: 0.55;
  pointer-events: none;
}

#polvo-dorado {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1), transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
  transition-delay: var(--delay, 0ms);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.brillo-boton {
  position: relative;
  overflow: hidden;
}
.brillo-boton::after {
  content: '';
  position: absolute;
  top: 0; left: -60%;
  width: 40%; height: 100%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.55), transparent);
  transform: skewX(-20deg);
  transition: left 0.7s ease;
}
.brillo-boton:hover::after { left: 140%; }

.letra {
  display: inline-block;
  opacity: 0;
  transform: translateY(14px);
  animation: aparecerLetra 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  animation-delay: calc(var(--i) * 28ms);
}
.gold-text .letra {
  background: linear-gradient(135deg, #F3DFA8 0%, #C9A24D 45%, #9C7A2F 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
@keyframes aparecerLetra {
  to { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .card-ecosistema:hover { transform: none; }
  .gold-line { width: 4rem; transition: none; }
  .letra { opacity: 1; transform: none; animation: none; }
  .brillo-boton::after { display: none; }
}