/* ==========================================================================
   ANIMATIONS.CSS — Premium Islamic Wedding Invitation
   Scroll-reveal, shimmer, hover effects, countdowns, micro-interactions
   ========================================================================== */

/* ===== SCROLL REVEAL (custom AOS-like) ===== */
[data-aos] {
  transition:
    opacity  0.85s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 0.85s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    filter   0.85s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

[data-aos="fade-up"]    { opacity: 0; transform: translateY(40px); }
[data-aos="fade-down"]  { opacity: 0; transform: translateY(-40px); }
[data-aos="fade-left"]  { opacity: 0; transform: translateX(40px); }
[data-aos="fade-right"] { opacity: 0; transform: translateX(-40px); }
[data-aos="fade-in"]    { opacity: 0; }
[data-aos="scale-in"]   { opacity: 0; transform: scale(0.86); }
[data-aos="blur-reveal"] {
  opacity: 0; filter: blur(10px); transform: translateY(18px) scale(0.97);
  transition:
    opacity  1.1s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    filter   1.1s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 1.1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
[data-aos="zoom-reveal"] {
  opacity: 0; transform: scale(1.1);
  transition:
    opacity  1s cubic-bezier(0.25, 0.46, 0.45, 0.94),
    transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Animated state */
[data-aos="fade-up"].aos-animate,
[data-aos="fade-down"].aos-animate,
[data-aos="fade-left"].aos-animate,
[data-aos="fade-right"].aos-animate,
[data-aos="fade-in"].aos-animate    { opacity: 1; transform: none; }
[data-aos="scale-in"].aos-animate   { opacity: 1; transform: scale(1); }
[data-aos="blur-reveal"].aos-animate { opacity: 1; filter: blur(0); transform: none; }
[data-aos="zoom-reveal"].aos-animate { opacity: 1; transform: scale(1); }

/* ===== AOS DELAY UTILITIES ===== */
[data-aos-delay="50"]  { transition-delay:  50ms; }
[data-aos-delay="100"] { transition-delay: 100ms; }
[data-aos-delay="150"] { transition-delay: 150ms; }
[data-aos-delay="200"] { transition-delay: 200ms; }
[data-aos-delay="250"] { transition-delay: 250ms; }
[data-aos-delay="300"] { transition-delay: 300ms; }
[data-aos-delay="350"] { transition-delay: 350ms; }
[data-aos-delay="400"] { transition-delay: 400ms; }
[data-aos-delay="500"] { transition-delay: 500ms; }
[data-aos-delay="600"] { transition-delay: 600ms; }

/* ===== SHIMMER TEXT (nav logo) ===== */
.shimmer-gold {
  background: linear-gradient(
    90deg,
    var(--gold-500) 0%,
    var(--gold-200) 28%,
    var(--gold-300) 50%,
    var(--gold-200) 72%,
    var(--gold-500) 100%
  );
  background-size: 220% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmerText 3.5s linear infinite;
}
@keyframes shimmerText { to { background-position: 220% center; } }

/* ===== HOVER LIFT ===== */
.hover-lift {
  transition: transform 0.4s cubic-bezier(0.16,1,0.3,1), box-shadow 0.4s ease;
}
.hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 60px rgba(10,46,26,0.16);
}

/* ===== FLOAT ANIMATIONS ===== */
.float-1 { animation: floatY 6s ease-in-out infinite; }
.float-2 { animation: floatY 7.5s ease-in-out 1.2s infinite; }
.float-3 { animation: floatY 9s ease-in-out 2.5s infinite; }
@keyframes floatY {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-14px); }
}

/* ===== GOLD GLOW PULSE ===== */
.glow-gold {
  animation: glowGold 2.8s ease-in-out infinite;
}
@keyframes glowGold {
  0%,100% { box-shadow: 0 0 16px rgba(212,168,67,0.25); }
  50%      { box-shadow: 0 0 36px rgba(212,168,67,0.55); }
}

/* ===== EMERALD GLOW PULSE ===== */
.glow-emerald {
  animation: glowEmerald 2.8s ease-in-out infinite;
}
@keyframes glowEmerald {
  0%,100% { box-shadow: 0 0 16px rgba(22,87,51,0.2); }
  50%      { box-shadow: 0 0 36px rgba(22,87,51,0.45); }
}

/* ===== COUNTDOWN FLIP ===== */
.countdown__number.flip {
  animation: countFlip 0.32s ease;
}
@keyframes countFlip {
  0%   { transform: translateY(0);    opacity: 1; }
  45%  { transform: translateY(-10px); opacity: 0; }
  55%  { transform: translateY(10px);  opacity: 0; }
  100% { transform: translateY(0);    opacity: 1; }
}

/* ===== ORNAMENT GENTLE SPIN ===== */
.ornament-spin {
  display: inline-block;
  animation: gentleSpin 22s linear infinite;
}
@keyframes gentleSpin { to { transform: rotate(360deg); } }

/* ===== HERO ARCH DRAW ===== */
@keyframes archDraw {
  from { stroke-dashoffset: 1200; opacity: 0; }
  to   { stroke-dashoffset: 0;    opacity: 1; }
}
.hero__arch-svg path {
  stroke-dasharray: 1200;
  stroke-dashoffset: 1200;
  opacity: 0;
}
.hero-revealed .hero__arch-svg path {
  animation: archDraw 2.4s cubic-bezier(0.25,0.46,0.45,0.94) forwards;
}
.hero-revealed .hero__arch-svg path:nth-child(1) { animation-delay: 0.6s; }
.hero-revealed .hero__arch-svg path:nth-child(2) { animation-delay: 0.9s; }

/* ===== ORNAMENT DIVIDER GROW ===== */
.ornament-divider.aos-animate .ornament-line {
  animation: lineGrow 0.8s var(--ease-out-soft) 0.1s both;
}
.ornament-divider.aos-animate .ornament-gem {
  animation: gemPop 0.5s var(--ease-out-soft) 0.4s both;
}
@keyframes lineGrow {
  from { transform: scaleX(0); opacity: 0; }
  to   { transform: scaleX(1); opacity: 1; }
}
@keyframes gemPop {
  0%   { transform: scale(0) rotate(-45deg); opacity: 0; }
  70%  { transform: scale(1.25) rotate(5deg); }
  100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

/* ===== SECTION BG PARALLAX HINT ===== */
.section-bismillah .bismillah__pattern,
.section-rsvp .rsvp__pattern {
  transition: transform 0.1s linear;
  will-change: transform;
}

/* ===== CARD ENTRANCE STAGGER ===== */
.couple__cards .couple-card:nth-child(1) { transition-delay: 0ms; }
.couple__cards .couple-card:nth-child(2) { transition-delay: 120ms; }
.events__grid .event-card:nth-child(1) { transition-delay: 80ms; }
.events__grid .event-card:nth-child(2) { transition-delay: 200ms; }
.venue__grid .venue-card:nth-child(1) { transition-delay: 80ms; }
.venue__grid .venue-card:nth-child(2) { transition-delay: 200ms; }

/* ===== RSVP BUTTON RIPPLE ===== */
.rsvp__btn {
  position: relative; overflow: hidden;
}
.rsvp__btn::after {
  content: '';
  position: absolute; inset: 0; border-radius: 999px;
  background: rgba(255,255,255,0.15);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.55s var(--ease-standard);
}
.rsvp__btn:hover::after { transform: scaleX(1); }

/* ===== BISMILLAH VERSE FADE-IN ===== */
.bismillah__verse {
  transition: box-shadow 0.4s ease;
}
.bismillah__verse:hover {
  box-shadow: 0 8px 36px rgba(22,87,51,0.10), 0 0 0 1px rgba(22,87,51,0.08);
}

/* ===== GATE CORNER HOVER EXPAND ===== */
#gate .gate-content:hover .gate-corner {
  opacity: 1;
  transition: width 0.4s ease, height 0.4s ease, opacity 0.4s ease;
  width: 56px; height: 56px;
}

/* ===== MUSIC TOGGLE SPIN ===== */
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  [data-aos] {
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }
  .float-1, .float-2, .float-3,
  .ornament-spin,
  .glow-gold, .glow-emerald,
  .hero__arch-svg path { animation: none !important; }
  .shimmer-gold {
    animation: none;
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
    color: var(--gold-500);
  }
  .reveal-item {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}