/* ============================================
   METAL BUTTON — Sistema universal
   Explora Miami · Componente compartido
   Cargado en TODAS las páginas del proyecto
   ============================================ */

/* Wrapper externo — el "marco metálico" */
.metal-btn-wrap {
  position: relative;
  display: inline-flex;
  border-radius: 999px;
  padding: 1.25px;
  background: linear-gradient(to bottom, #111111, #A0A0A0);
  cursor: pointer;
  text-decoration: none;
  transition: transform 90ms cubic-bezier(0.2,0,0,1),
              opacity 200ms;
}
.metal-btn-wrap:hover { opacity: 0.92; }

/* Capa interior de sombra */
.metal-btn-inner {
  position: absolute;
  inset: 1px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.28);
  pointer-events: none;
}

/* Botón real */
.metal-btn {
  position: relative;
  z-index: 10;
  margin: 1px;
  height: 44px;
  min-height: 44px;
  border-radius: 999px;
  padding: 0 1.4rem;
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.01em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border: none;
  cursor: pointer;
  overflow: hidden;
  text-decoration: none;
  white-space: nowrap;
  transition: transform 90ms cubic-bezier(0.2,0,0,1);
  -webkit-font-smoothing: antialiased;
}

/* Brillo superior */
.metal-btn-shine {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(255,255,255,0.18) 0%,
    rgba(255,255,255,0.04) 45%,
    transparent 100%
  );
  pointer-events: none;
  border-radius: inherit;
}

/* Glow en hover */
.metal-btn-hover-glow {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  border-radius: inherit;
  transition: opacity 200ms cubic-bezier(0.2,0,0,1);
}

/* ── ESTADOS INTERACTIVOS ── */
.metal-btn-wrap.is-pressed {
  transform: translateY(2.5px) scale(0.99) !important;
}
.metal-btn-wrap.is-hovered .metal-btn-hover-glow {
  opacity: 1;
}

/* ── VARIANTES DE COLOR ── */

/* Turquesa — acciones principales */
.metal-btn-wrap[data-variant="turquesa"] {
  background: linear-gradient(to bottom, #003840, #70D8E0);
}
.metal-btn-wrap[data-variant="turquesa"] .metal-btn {
  background: linear-gradient(135deg, #00BCD4 0%, #0097a7 100%);
  color: white;
}
.metal-btn-wrap[data-variant="turquesa"] .metal-btn-hover-glow {
  background: radial-gradient(circle at 50% 0%,
    rgba(0,220,240,0.4), transparent 70%);
}

/* Coral — acciones de contacto / urgencia */
.metal-btn-wrap[data-variant="coral"] {
  background: linear-gradient(to bottom, #5A0000, #FF9090);
}
.metal-btn-wrap[data-variant="coral"] .metal-btn {
  background: linear-gradient(135deg, #FF6B6B 0%, #c0392b 100%);
  color: white;
}
.metal-btn-wrap[data-variant="coral"] .metal-btn-hover-glow {
  background: radial-gradient(circle at 50% 0%,
    rgba(255,150,150,0.4), transparent 70%);
}

/* Gold — planes premium */
.metal-btn-wrap[data-variant="gold"] {
  background: linear-gradient(to bottom, #5A3A00, #FFD070);
}
.metal-btn-wrap[data-variant="gold"] .metal-btn {
  background: linear-gradient(135deg, #FFB300 0%, #e65100 100%);
  color: #1a2a35;
}
.metal-btn-wrap[data-variant="gold"] .metal-btn-hover-glow {
  background: radial-gradient(circle at 50% 0%,
    rgba(255,210,80,0.4), transparent 70%);
}

/* Tierra — destinos naturaleza */
.metal-btn-wrap[data-variant="tierra"] {
  background: linear-gradient(to bottom, #2D3A00, #A8D060);
}
.metal-btn-wrap[data-variant="tierra"] .metal-btn {
  background: linear-gradient(135deg, #7CB342 0%, #558b2f 100%);
  color: white;
}
.metal-btn-wrap[data-variant="tierra"] .metal-btn-hover-glow {
  background: radial-gradient(circle at 50% 0%,
    rgba(168,208,96,0.4), transparent 70%);
}

/* Ghost — botones secundarios sobre fondos oscuros */
.metal-btn-wrap[data-variant="ghost"] {
  background: linear-gradient(to bottom,
    rgba(255,253,247,0.3), rgba(255,253,247,0.1));
}
.metal-btn-wrap[data-variant="ghost"] .metal-btn {
  background: rgba(255, 253, 247, 0.08);
  color: #FFFDF7;
  border: 1px solid rgba(255,253,247,0.2);
}
.metal-btn-wrap[data-variant="ghost"] .metal-btn-hover-glow {
  background: radial-gradient(circle at 50% 0%,
    rgba(255,253,247,0.15), transparent 70%);
}

/* Dark — sobre fondos claros, acción neutra */
.metal-btn-wrap[data-variant="dark"] {
  background: linear-gradient(to bottom, #000000, #555555);
}
.metal-btn-wrap[data-variant="dark"] .metal-btn {
  background: linear-gradient(135deg, #1a2a35 0%, #071e2b 100%);
  color: #FFFDF7;
}
.metal-btn-wrap[data-variant="dark"] .metal-btn-hover-glow {
  background: radial-gradient(circle at 50% 0%,
    rgba(255,253,247,0.12), transparent 70%);
}

/* ── TAMAÑOS ── */
.metal-btn-wrap[data-size="sm"] .metal-btn {
  height: 36px;
  min-height: 36px;
  padding: 0 1rem;
  font-size: 0.82rem;
}
.metal-btn-wrap[data-size="lg"] .metal-btn {
  height: 52px;
  min-height: 52px;
  padding: 0 2rem;
  font-size: 1rem;
}
.metal-btn-wrap[data-size="full"] {
  width: 100%;
}
.metal-btn-wrap[data-size="full"] .metal-btn {
  width: 100%;
}

/* ── ACCESIBILIDAD ── */
.metal-btn:focus-visible {
  outline: 3px solid #00BCD4;
  outline-offset: 2px;
}

/* ── REDUCED MOTION ── */
@media (prefers-reduced-motion: reduce) {
  .metal-btn-wrap,
  .metal-btn,
  .metal-btn-hover-glow {
    transition: none !important;
    animation: none !important;
  }
}