/* =====================================================
   SUPRIYA EYE CARE — Global Animation System
   ===================================================== */

/* ---------- Smooth scroll ---------- */
html { scroll-behavior: smooth; }

/* ---------- Page-load fade in ---------- */
body { animation: pageFadeIn 0.5s ease both; }
@keyframes pageFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ---------- Base: elements waiting to animate ---------- */
[data-anim] {
  opacity: 0;
  transition-property: opacity, transform, filter;
  transition-timing-function: cubic-bezier(0.22, 0.61, 0.36, 1);
  transition-duration: 0.72s;
  will-change: opacity, transform;
}

/* Directional starting states */
[data-anim="fade-up"]    { transform: translateY(44px); }
[data-anim="fade-down"]  { transform: translateY(-30px); }
[data-anim="fade-left"]  { transform: translateX(-44px); }
[data-anim="fade-right"] { transform: translateX(44px); }
[data-anim="zoom-in"]    { transform: scale(0.88); }
[data-anim="zoom-out"]   { transform: scale(1.08); }
[data-anim="flip-up"]    { transform: perspective(600px) rotateX(18deg) translateY(30px); }
[data-anim="fade-in"]    { }   /* opacity only */

/* Triggered state */
[data-anim].anim-in {
  opacity: 1;
  transform: none !important;
  filter: none !important;
}

/* ---------- Delay utilities ---------- */
[data-delay="50"]  { transition-delay: 0.05s; }
[data-delay="100"] { transition-delay: 0.10s; }
[data-delay="150"] { transition-delay: 0.15s; }
[data-delay="200"] { transition-delay: 0.20s; }
[data-delay="250"] { transition-delay: 0.25s; }
[data-delay="300"] { transition-delay: 0.30s; }
[data-delay="350"] { transition-delay: 0.35s; }
[data-delay="400"] { transition-delay: 0.40s; }
[data-delay="500"] { transition-delay: 0.50s; }
[data-delay="600"] { transition-delay: 0.60s; }

/* ---------- Duration utilities ---------- */
[data-duration="slow"]   { transition-duration: 1.0s; }
[data-duration="normal"] { transition-duration: 0.72s; }
[data-duration="fast"]   { transition-duration: 0.42s; }

/* ---------- Floating / breathing animation ---------- */
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}
.float-anim { animation: floatY 4s ease-in-out infinite; }

/* ---------- Pulse glow for icons ---------- */
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,81,213,0.3); }
  50%       { box-shadow: 0 0 0 12px rgba(0,81,213,0); }
}
.pulse-glow { animation: pulseGlow 2.4s ease-in-out infinite; }

/* ---------- Ripple on buttons ---------- */
@keyframes rippleAnim {
  from { transform: scale(0); opacity: 0.5; }
  to   { transform: scale(2.6); opacity: 0; }
}
.ripple-origin { position: relative; overflow: hidden; }
.ripple-wave {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.32);
  animation: rippleAnim 0.65s ease-out forwards;
  pointer-events: none;
  transform: scale(0);
}

/* ---------- Counter number pop ---------- */
@keyframes countUp {
  from { opacity: 0; transform: translateY(14px) scale(0.9); }
  to   { opacity: 1; transform: none; }
}
.count-anim { animation: countUp 0.6s cubic-bezier(0.22,0.61,0.36,1) both; }

/* ---------- Shimmer loading skeleton (optional) ---------- */
@keyframes shimmer {
  0%   { background-position: -400px 0; }
  100% { background-position:  400px 0; }
}
.shimmer {
  background: linear-gradient(90deg, #f0f4ff 25%, #dce9ff 50%, #f0f4ff 75%);
  background-size: 800px 100%;
  animation: shimmer 1.5s infinite;
}

/* ---------- Underline grow on nav links ---------- */
header nav a {
  position: relative;
}
header nav a:not([class*="bg-"]):not([class*="border-b-2"])::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0; height: 2px;
  background: #0051d5;
  border-radius: 999px;
  transition: width 0.25s ease;
}
header nav a:not([class*="bg-"]):not([class*="border-b-2"]):hover::after {
  width: 100%;
}

/* ---------- Card hover lift (global) ---------- */
.doctor-card,
.gallery-card,
.bento-card,
[class*="rounded-2xl"][class*="shadow"],
[class*="rounded-xl"][class*="shadow"] {
  transition-property: transform, box-shadow, border-color;
  transition-duration: 0.3s;
  transition-timing-function: cubic-bezier(0.25,0.46,0.45,0.94);
}

/* ---------- Hero section parallax hint ---------- */
.hero-parallax { will-change: transform; }

/* ---------- Staggered grid children ---------- */
.stagger-grid > *:nth-child(1) { transition-delay: 0.00s; }
.stagger-grid > *:nth-child(2) { transition-delay: 0.10s; }
.stagger-grid > *:nth-child(3) { transition-delay: 0.20s; }
.stagger-grid > *:nth-child(4) { transition-delay: 0.30s; }
.stagger-grid > *:nth-child(5) { transition-delay: 0.40s; }
.stagger-grid > *:nth-child(6) { transition-delay: 0.50s; }

/* ---------- Footer grid stagger ---------- */
.modern-footer__grid > *:nth-child(1) { transition-delay: 0.00s; }
.modern-footer__grid > *:nth-child(2) { transition-delay: 0.10s; }
.modern-footer__grid > *:nth-child(3) { transition-delay: 0.20s; }
.modern-footer__grid > *:nth-child(4) { transition-delay: 0.30s; }

/* ---------- Smooth image load ---------- */
img {
  transition: opacity 0.4s ease;
}
img.lazyloaded { opacity: 1; }

/* Respect reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  [data-anim] { opacity: 1; transform: none !important; }
}

/* ---------- Mobile Menu responsive classes ---------- */
#mobile-menu {
  display: none;
}
#mobile-menu.open {
  display: flex;
}