/* =============================================
   ZADIYAH — London Rain
   Custom Styles
   ============================================= */

/* ===== BASE & RESETS ===== */
*, *::before, *::after { box-sizing: border-box; }
html { font-family: 'Montserrat', sans-serif; background: #0A0A0A; color: #FAFAFA; }
body { margin: 0; overflow-x: hidden; }

/* ===== CUSTOM SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #0A0A0A; }
::-webkit-scrollbar-thumb { background: #D4AF37; border-radius: 3px; }

/* ===== KEYFRAME ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}
@keyframes breathe {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}
@keyframes slideDown {
  from { opacity: 0; max-height: 0; }
  to { opacity: 1; max-height: 500px; }
}
@keyframes rainDrop {
  0% { transform: translateY(-10px); opacity: 0; }
  20% { opacity: 1; }
  100% { transform: translateY(100vh); opacity: 0; }
}

/* ===== ANIMATION UTILITIES ===== */
.animate-fade-in-up { animation: fadeInUp 1s ease-out forwards; }
.animate-fade-in { animation: fadeIn 1.2s ease-out forwards; }
.animate-delay-1 { animation-delay: 0.2s; }
.animate-delay-2 { animation-delay: 0.4s; }
.animate-delay-3 { animation-delay: 0.6s; }
.animate-delay-4 { animation-delay: 0.8s; }

/* ===== SHIMMER GOLD TEXT ===== */
.shimmer-text {
  background: linear-gradient(90deg, #D4AF37 0%, #F5E6A3 25%, #D4AF37 50%, #C5A059 75%, #D4AF37 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
}

/* ===== SCENT CARD GLOW ===== */
.scent-card {
  position: relative;
  transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1), box-shadow 0.5s ease;
}
.scent-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, transparent, rgba(212,175,55,0), rgba(212,175,55,0.4), rgba(212,175,55,0));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.5s ease;
}
.scent-card:hover::before { opacity: 1; }
.scent-card:hover { transform: translateY(-8px); box-shadow: 0 20px 60px rgba(212,175,55,0.08); }

/* ===== ACCORDION ===== */
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s cubic-bezier(0.23, 1, 0.32, 1), padding 0.3s ease;
}
.accordion-content.open {
  max-height: 500px;
}
.accordion-icon {
  transition: transform 0.3s ease;
}
.accordion-icon.open {
  transform: rotate(45deg);
}

/* ===== SLIDE-OVER DRAWER ===== */
.drawer-overlay {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}
.drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}
.drawer-panel {
  transform: translateX(100%);
  transition: transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}
.drawer-panel.open {
  transform: translateX(0);
}

/* ===== HEADER BLUR ===== */
.header-blur {
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}

/* ===== SECTION REVEAL (Intersection Observer) ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== QUOTE SLIDER ===== */
.quote-slide {
  opacity: 0;
  position: absolute;
  transition: opacity 0.8s ease;
}
.quote-slide.active {
  opacity: 1;
  position: relative;
}

/* ===== RAIN PARTICLES ===== */
.rain-container {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}
.raindrop {
  position: absolute;
  width: 1px;
  height: 20px;
  background: linear-gradient(to bottom, transparent, rgba(212,175,55,0.3));
  animation: rainDrop linear infinite;
}

/* ===== MOBILE NAV ===== */
.mobile-nav {
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-100%);
  transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}
.mobile-nav.open {
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

/* ===== SCENT TAB ===== */
.scent-tab {
  position: relative;
  transition: color 0.3s ease;
}
.scent-tab::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: #D4AF37;
  transition: width 0.4s ease;
}
.scent-tab.active::after,
.scent-tab:hover::after { width: 100%; }
.scent-tab.active { color: #D4AF37; }

/* ===== STICKY MOBILE BUY BAR ===== */
.mobile-buy-bar {
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}
.mobile-buy-bar.visible {
  transform: translateY(0);
}

/* ===== NEWSLETTER INPUT ===== */
.newsletter-input:focus {
  outline: none;
  border-color: #D4AF37;
  box-shadow: 0 0 0 1px rgba(212,175,55,0.3);
}

/* ===== GOLD LINE DIVIDER ===== */
.gold-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, #D4AF37, transparent);
}

/* ===== BUTTON — SOLID GOLD ===== */
.btn-gold {
  position: relative;
  overflow: hidden;
  transition: all 0.4s ease;
}
.btn-gold::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}
.btn-gold:hover::before {
  width: 300px;
  height: 300px;
}

/* ===== BUTTON — OUTLINE GOLD ===== */
.btn-outline-gold {
  position: relative;
  overflow: hidden;
}
.btn-outline-gold::before {
  content: '';
  position: absolute;
  inset: 0;
  background: #D4AF37;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  z-index: -1;
}
.btn-outline-gold:hover::before {
  transform: scaleX(1);
  transform-origin: left;
}
.btn-outline-gold:hover {
  color: #0A0A0A;
}