/* ============================================
   PANTI ASUHAN ULUL AZMI SURABAYA — style.css
   ============================================ */

/* --- Custom Color Variables --- */
:root {
  --sky: #87CEEB;
  --sky-light: #EBF7FF;
  --sky-dark: #5BAED6;
  --leaf: #4CAF50;
  --leaf-dark: #388E3C;
  --leaf-light: #E8F5E9;
}

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

/* --- Scrollbar Styling --- */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
  background: var(--sky);
  border-radius: 6px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--sky-dark);
}

/* --- Selection Highlight --- */
::selection {
  background-color: var(--leaf-light);
  color: var(--leaf-dark);
}

/* ============================================
   FADE-IN ANIMATIONS
   ============================================ */

.fade-in,
.fade-in-left,
.fade-in-right {
  opacity: 0;
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in {
  transform: translateY(24px);
}

.fade-in-left {
  transform: translateX(-32px);
}

.fade-in-right {
  transform: translateX(32px);
}

.fade-in.visible,
.fade-in-left.visible,
.fade-in-right.visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* Staggered delay helpers */
.fade-in[style*="0.1s"] { transition-delay: 0.1s; }
.fade-in[style*="0.2s"] { transition-delay: 0.2s; }
.fade-in[style*="0.3s"] { transition-delay: 0.3s; }
.fade-in[style*="0.15s"] { transition-delay: 0.15s; }

/* ============================================
   FLOATING ANIMATION (Hero Cards)
   ============================================ */

@keyframes floatUp {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-8px); }
}

@keyframes floatUpDelay {
  0%, 100% { transform: translateY(0px); }
  50%       { transform: translateY(-6px); }
}

.float-anim {
  animation: floatUp 3.5s ease-in-out infinite;
}

.float-anim-delay {
  animation: floatUpDelay 4s ease-in-out infinite;
  animation-delay: 1s;
}

/* ============================================
   HERO IMAGE CONTAINER — subtle pulse ring
   ============================================ */

.hero-img-container {
  position: relative;
}

.hero-img-container::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 1.75rem;
  border: 2px solid var(--sky);
  opacity: 0.4;
  animation: pulseRing 3s ease-in-out infinite;
  pointer-events: none;
}

@keyframes pulseRing {
  0%, 100% { transform: scale(1); opacity: 0.4; }
  50%       { transform: scale(1.03); opacity: 0.15; }
}

/* ============================================
   NAVBAR ACTIVE STATE
   ============================================ */

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--leaf);
  border-radius: 999px;
  transform: scaleX(0);
  transition: transform 0.25s ease;
  transform-origin: center;
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

/* ============================================
   PROGRAM CARDS — icon hover pop
   ============================================ */

.program-card:hover > div:first-child {
  transform: scale(1.1) rotate(-3deg);
  transition: transform 0.3s ease;
}

/* ============================================
   GALLERY ITEMS — overlay on hover
   ============================================ */

.gallery-item {
  position: relative;
  overflow: hidden;
}

.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(76, 175, 80, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.gallery-item:hover::after {
  opacity: 1;
}

.gallery-item img {
  transition: transform 0.4s ease;
}

.gallery-item:hover img {
  transform: scale(1.06);
}

/* ============================================
   FLOATING WHATSAPP BUTTON — pulse ring
   ============================================ */

@keyframes waPulse {
  0%   { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
  70%  { box-shadow: 0 0 0 14px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.wa-float {
  animation: waPulse 2.5s infinite;
}

/* ============================================
   FONT MONO (Account Numbers)
   ============================================ */

.font-mono {
  font-family: 'SFMono-Regular', 'Consolas', 'Liberation Mono', 'Menlo', monospace;
  letter-spacing: 0.08em;
}

/* ============================================
   RESPONSIVE TWEAKS
   ============================================ */

@media (max-width: 640px) {
  .hero-img-container {
    width: 260px;
    height: 260px;
  }

  .float-anim,
  .float-anim-delay {
    display: none;
  }
}

/* ============================================
   SMOOTH TRANSITION FOR ALL INTERACTIVE ELS
   ============================================ */

a, button {
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--leaf);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ============================================
   FOOTER GRADIENT TOP BORDER
   ============================================ */

footer {
  border-top: 3px solid transparent;
  background-clip: padding-box;
  position: relative;
}

footer::before {
  content: '';
  position: absolute;
  top: -3px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--sky), var(--leaf), var(--sky));
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
  #navbar,
  .wa-float,
  .group {
    display: none !important;
  }
}