/* ==========================================================================
   SANID ISLAMIC DEVELOPMENT CENTER (SIDC)
   Bespoke Design System & Stylesheet (Smooth Animations & Mobile Optimized)
   Emerald Green (#1B5E20) & Warm Gold (#B48A1E)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@600;700;800;900&family=Noto+Sans+Ethiopic:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

:root {
  /* Core Brand Palette */
  --sidc-emerald: #1b5e20;
  --sidc-emerald-deep: #0e3813;
  --sidc-emerald-dark: #07220b;
  --sidc-emerald-darker: #041407;
  --sidc-emerald-light: #2e7d32;
  --sidc-emerald-mint: #e8f5e9;
  
  --sidc-gold: #b48a1e;
  --sidc-gold-vibrant: #d4af37;
  --sidc-gold-light: #fdf8eb;
  --sidc-gold-glow: rgba(212, 175, 55, 0.35);
  --sidc-gold-border: rgba(180, 138, 30, 0.32);
  
  --sidc-offwhite: #f9f9f6;
  --sidc-sand: #f5f4ed;
  --sidc-white: #ffffff;
  --sidc-dark: #111e13;
  --sidc-slate: #2b3d2d;
  --sidc-muted: #576d5a;
  --sidc-border: #e3e8e3;
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  
  --shadow-sm: 0 2px 8px rgba(7, 34, 11, 0.06);
  --shadow-md: 0 10px 30px rgba(7, 34, 11, 0.09);
  --shadow-lg: 0 20px 50px rgba(7, 34, 11, 0.14);
  --shadow-glow: 0 0 35px rgba(212, 175, 55, 0.3);
  
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* ================= SMOOTH PAGE TRANSITIONS ================= */
body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--sidc-offwhite);
  color: var(--sidc-dark);
  line-height: 1.68;
  overflow-x: hidden;
  
  /* Initial state for smooth page entrance */
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s ease-out, transform 0.4s ease-out;
}

body.page-loaded {
  opacity: 1;
  transform: translateY(0);
}

body.page-exit {
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.25s ease-in, transform 0.25s ease-in;
}

body.lang-am {
  font-family: 'Noto Sans Ethiopic', 'Plus Jakarta Sans', sans-serif;
}

/* Headings Typography */
h1, h2, h3, .font-display {
  font-family: 'Cinzel', 'Plus Jakarta Sans', serif;
  letter-spacing: -0.015em;
}

body.lang-am h1, 
body.lang-am h2, 
body.lang-am h3, 
body.lang-am .font-display {
  font-family: 'Noto Sans Ethiopic', sans-serif;
  font-weight: 700;
  letter-spacing: normal;
}

/* ================= SCROLL REVEAL ANIMATIONS ================= */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Background Patterns & Rich Atmospheric Textures */
.bg-islamic-pattern {
  background-color: var(--sidc-emerald-dark);
  background-image: 
    radial-gradient(circle at 18% 25%, rgba(212, 175, 55, 0.18) 0%, transparent 45%),
    radial-gradient(circle at 82% 75%, rgba(27, 94, 32, 0.35) 0%, transparent 50%),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0l15 15-15 15-15-15zM0 30l15 15-15 15-15-15zm60 0l15 15-15 15-15-15zM30 60l15 15-15 15-15-15z' fill='%23b48a1e' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
}

/* Glassmorphism Navigation */
.glass-nav {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--sidc-gold-border);
  transition: var(--transition-smooth);
}

.glass-nav.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 12px 35px rgba(14, 56, 19, 0.08);
}

/* Active Nav Indicator */
.nav-link {
  position: relative;
  font-weight: 600;
  color: var(--sidc-slate);
  transition: var(--transition-smooth);
  padding: 0.5rem 0.2rem;
  text-decoration: none;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2.5px;
  background: linear-gradient(90deg, var(--sidc-emerald), var(--sidc-gold));
  border-radius: 9999px;
  transition: var(--transition-smooth);
}

.nav-link:hover {
  color: var(--sidc-emerald);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--sidc-emerald);
  font-weight: 700;
}

/* Gold Gradient Accents */
.gold-gradient-text {
  background: linear-gradient(135deg, #f5d47a 0%, #d4af37 40%, #b48a1e 75%, #8d670e 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Premium Animated Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #1b5e20 0%, #0e3813 100%);
  color: #ffffff;
  font-weight: 700;
  padding: 0.85rem 1.95rem;
  border-radius: 9999px;
  border: 1px solid rgba(212, 175, 55, 0.45);
  box-shadow: 0 6px 20px rgba(14, 56, 19, 0.25);
  transition: var(--transition-smooth);
  text-decoration: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(60deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transform: rotate(30deg) translateY(-100%);
  transition: transform 0.75s ease-in-out;
}

.btn-primary:hover::after {
  transform: rotate(30deg) translateY(100%);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #24812c 0%, #124c1a 100%);
  transform: translateY(-2.5px);
  box-shadow: 0 10px 28px rgba(14, 56, 19, 0.35), var(--shadow-glow);
}

.btn-gold {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, #e3c059 0%, #b48a1e 60%, #997312 100%);
  color: #07220b;
  font-weight: 800;
  padding: 0.85rem 1.95rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 6px 20px rgba(180, 138, 30, 0.35);
  transition: var(--transition-smooth);
  text-decoration: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-gold::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(60deg, transparent, rgba(255, 255, 255, 0.35), transparent);
  transform: rotate(30deg) translateY(-100%);
  transition: transform 0.75s ease-in-out;
}

.btn-gold:hover::after {
  transform: rotate(30deg) translateY(100%);
}

.btn-gold:hover {
  background: linear-gradient(135deg, #ecd17c 0%, #c59823 60%, #a87f17 100%);
  transform: translateY(-2.5px);
  box-shadow: 0 10px 30px rgba(180, 138, 30, 0.48);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  font-weight: 600;
  padding: 0.85rem 1.95rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
  text-decoration: none;
  cursor: pointer;
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: var(--sidc-gold-vibrant);
  color: #ffffff;
  transform: translateY(-2.5px);
}

/* Interactive Cards */
.feature-card {
  background: #ffffff;
  border: 1px solid var(--sidc-border);
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--sidc-emerald) 0%, var(--sidc-gold) 100%);
  opacity: 0;
  transition: var(--transition-smooth);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--sidc-gold-border);
}

.feature-card:hover::before {
  opacity: 1;
}

/* Team Profile Cards */
.member-card {
  background: #ffffff;
  border: 1px solid rgba(27, 94, 32, 0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.member-card:hover {
  transform: translateY(-7px);
  box-shadow: 0 20px 40px rgba(14, 56, 19, 0.12);
  border-color: var(--sidc-gold);
}

/* Badges */
.badge-emerald {
  display: inline-flex;
  align-items: center;
  padding: 0.32rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--sidc-emerald-mint);
  color: var(--sidc-emerald-deep);
  border-radius: 9999px;
}

.badge-gold {
  display: inline-flex;
  align-items: center;
  padding: 0.32rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--sidc-gold-light);
  color: #7d5e0a;
  border: 1px solid rgba(180, 138, 30, 0.35);
  border-radius: 9999px;
}

/* Filter Tab Pills */
.filter-tab {
  padding: 0.65rem 1.45rem;
  font-weight: 600;
  font-size: 0.88rem;
  border-radius: 9999px;
  border: 1px solid var(--sidc-border);
  background: #ffffff;
  color: var(--sidc-muted);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.filter-tab:hover {
  border-color: var(--sidc-emerald);
  color: var(--sidc-emerald);
  transform: translateY(-1.5px);
}

.filter-tab.active {
  background: var(--sidc-emerald);
  color: #ffffff;
  border-color: var(--sidc-emerald);
  box-shadow: 0 4px 16px rgba(27, 94, 32, 0.28);
}

/* Keyframe Animations */
@keyframes floatSlow {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(1deg); }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.18; transform: scale(1); }
  50% { opacity: 0.3; transform: scale(1.08); }
}

@keyframes pulseRing {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.08); opacity: 0.3; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.animate-float {
  animation: floatSlow 6s ease-in-out infinite;
}

.animate-glow {
  animation: pulseGlow 8s ease-in-out infinite;
}

.animate-ring {
  animation: pulseRing 3.5s ease-in-out infinite;
}

/* Page Header Banner */
.page-header-banner {
  position: relative;
  background: linear-gradient(135deg, var(--sidc-emerald-darker) 0%, var(--sidc-emerald-deep) 60%, #061e0a 100%);
  color: #ffffff;
  padding: 4.5rem 1.25rem 3.5rem;
  overflow: hidden;
  border-bottom: 2px solid var(--sidc-gold);
}

.page-header-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 75% 25%, rgba(212, 175, 55, 0.15) 0%, transparent 50%);
  pointer-events: none;
}

/* Lightbox & Global Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 20, 7, 0.88);
  backdrop-filter: blur(10px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-smooth);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  max-width: 780px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.4);
  transform: scale(0.92);
  transition: var(--transition-bounce);
}

.modal-overlay.active .modal-card {
  transform: scale(1);
}

/* Toast Notification */
.toast-msg {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--sidc-emerald-deep);
  color: #ffffff;
  padding: 1rem 1.7rem;
  border-radius: var(--radius-md);
  border-left: 5px solid var(--sidc-gold-vibrant);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.25);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  transform: translateY(100px);
  opacity: 0;
  transition: var(--transition-smooth);
}

.toast-msg.show {
  transform: translateY(0);
  opacity: 1;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--sidc-offwhite);
}
::-webkit-scrollbar-thumb {
  background: rgba(27, 94, 32, 0.3);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--sidc-emerald);
}

/* Animation for dynamically rendered cards & filters */
@keyframes fadeInUpScale {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.97);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.animate-fade-in {
  animation: fadeInUpScale 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

.animate-gentle-float {
  animation: floatGentle 4.5s ease-in-out infinite;
}

/* Horizontal scroll wrapper for mobile filters */
.filter-scroll-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 6px;
}

.filter-scroll-wrapper::-webkit-scrollbar {
  display: none;
}

/* Mobile Segmented Switchers (Meaning Section & Divisions) */
.meaning-tab-pill, .division-pill {
  transition: var(--transition-smooth);
}
.meaning-tab-pill.active, .division-pill.active {
  background-color: var(--sidc-emerald) !important;
  color: #ffffff !important;
  box-shadow: 0 4px 14px rgba(27, 94, 32, 0.25);
}

/* ================= MOBILE OPTIMIZATION ENHANCEMENTS ================= */
@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  .feature-card {
    padding: 1.4rem;
  }

  .page-header-banner {
    padding: 3.2rem 1rem 2.4rem;
  }

  .btn-primary, .btn-gold, .btn-outline {
    width: 100%;
    padding: 0.85rem 1.4rem;
  }

  .modal-card {
    max-height: 88vh;
    border-radius: var(--radius-lg);
  }

  /* Responsive toast */
  .toast-msg {
    left: 1rem;
    right: 1rem;
    bottom: 1.5rem;
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.85rem !important;
    line-height: 1.25 !important;
  }
  h2 {
    font-size: 1.5rem !important;
    line-height: 1.3 !important;
  }
}