/*
 * ============================================
 * DEMAM NGAJI - BIO LINK STYLES
 * Brand: Putih + Aksen Hijau & Orange
 * Style: Modern, Islamic-Edukatif, Premium
 * ============================================
 */

/* ============================================
   CSS VARIABLES & DESIGN TOKENS
   ============================================ */
:root {
  /* Brand Colors */
  --color-primary: #2E7D32;
  --color-primary-light: #4CAF50;
  --color-primary-dark: #1B5E20;
  --color-secondary: #FF6B35;
  --color-secondary-light: #FF8A5B;
  --color-secondary-dark: #E65100;
  
  /* Neutral Colors */
  --color-white: #FFFFFF;
  --color-off-white: #FAFAFA;
  --color-cream: #FFF8F0;
  --color-gray-50: #F5F5F5;
  --color-gray-100: #EEEEEE;
  --color-gray-200: #E0E0E0;
  --color-gray-300: #BDBDBD;
  --color-gray-400: #9E9E9E;
  --color-gray-500: #757575;
  --color-gray-600: #616161;
  --color-gray-700: #424242;
  --color-gray-800: #212121;
  --color-black: #0A0A0A;
  
  /* Semantic Colors */
  --color-success: #4CAF50;
  --color-warning: #FFC107;
  --color-error: #F44336;
  --color-info: #2196F3;
  
  /* Background */
  --bg-body: var(--color-white);
  --bg-card: var(--color-white);
  --bg-elevated: var(--color-white);
  
  /* Text Colors */
  --text-primary: var(--color-gray-800);
  --text-secondary: var(--color-gray-600);
  --text-muted: var(--color-gray-400);
  --text-inverse: var(--color-white);
  
  /* Typography */
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  
  /* Font Weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  
  /* Line Heights */
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.75;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow-green: 0 0 20px rgba(46, 125, 50, 0.3);
  --shadow-glow-orange: 0 0 20px rgba(255, 107, 53, 0.3);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  
  /* Container */
  --container-max: 480px;
  --container-padding: var(--space-4);
}

/* Dark Mode Variables */
[data-theme="dark"] {
  --bg-body: #0F1419;
  --bg-card: #1C2128;
  --bg-elevated: #242B33;
  --text-primary: #F7F9FB;
  --text-secondary: #A8B3BD;
  --text-muted: #6B7785;
  --color-gray-100: #242B33;
  --color-gray-200: #2E363F;
  --color-gray-300: #3D454F;
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background-color: var(--bg-body);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }

/* Layout */
.biolink-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-6) var(--container-padding);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Profile Section */
.profile-section { text-align: center; margin-bottom: var(--space-8); }
.profile-logo {
  width: 120px; height: 120px;
  border-radius: var(--radius-full);
  object-fit: cover;
  margin: 0 auto var(--space-4);
  border: 4px solid var(--color-white);
  box-shadow: var(--shadow-lg), var(--shadow-glow-green);
  background: var(--color-gray-100);
}
.profile-name {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}
.profile-name .highlight { color: var(--color-primary); }
.profile-description {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  max-width: 360px;
  margin: 0 auto;
}
.profile-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--text-inverse);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.profile-cta:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow-green); }
.profile-cta svg { width: 16px; height: 16px; }

/* Social Icons */
.social-icons {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}
.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  border-radius: var(--radius-full);
  background: var(--bg-card);
  border: 2px solid var(--color-gray-100);
  color: var(--text-secondary);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}
.social-icon:hover {
  color: var(--color-white);
  border-color: transparent;
  transform: translateY(-3px) scale(1.05);
  box-shadow: var(--shadow-lg);
}
.social-icon svg { width: 22px; height: 22px; }
.social-icon.instagram:hover { background: linear-gradient(135deg, #833AB4, #E1306C, #F77737); }
.social-icon.youtube:hover { background: #FF0000; }
.social-icon.tiktok:hover { background: #000000; }
.social-icon.whatsapp:hover { background: #25D366; }
.social-icon.telegram:hover { background: #0088CC; }
.social-icon.website:hover { background: var(--color-primary); }
.social-icon.facebook:hover { background: #1877F2; }
.social-icon.twitter:hover { background: #1DA1F2; }
.social-icon.email:hover { background: var(--color-secondary); }

/* Section Headers */
.section-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.section-header::before, .section-header::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gray-200), transparent);
}
.section-title {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

/* Buttons Section */
.buttons-section { margin-bottom: var(--space-8); }
.button-list { display: flex; flex-direction: column; gap: var(--space-3); }
.btn-link {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 56px;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-xl);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  text-align: center;
  transition: all var(--transition-base);
  overflow: hidden;
}
.btn-link .btn-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  position: relative;
  z-index: 1;
}
.btn-link .btn-label { font-size: var(--text-base); font-weight: var(--font-semibold); }
.btn-link .btn-sublabel { font-size: var(--text-xs); opacity: 0.8; font-weight: var(--font-normal); }

/* Button Variants */
.btn-link.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--text-inverse);
  box-shadow: var(--shadow-md);
}
.btn-link.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-green);
}
.btn-link.btn-secondary {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-dark) 100%);
  color: var(--text-inverse);
  box-shadow: var(--shadow-md);
}
.btn-link.btn-secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-orange);
}
.btn-link.btn-neutral {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 2px solid var(--color-gray-200);
  box-shadow: var(--shadow-sm);
}
.btn-link.btn-neutral:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Badge */
.btn-badge {
  position: absolute;
  top: -6px; right: 12px;
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  box-shadow: var(--shadow-md);
  z-index: 2;
}
.btn-badge.badge-green { background: var(--color-success); color: var(--text-inverse); }
.btn-badge.badge-orange { background: var(--color-secondary); color: var(--text-inverse); }
.btn-badge.badge-neutral { background: var(--color-gray-700); color: var(--text-inverse); }

/* Featured Button */
.btn-link.btn-featured {
  border: 2px solid var(--color-secondary);
  box-shadow: var(--shadow-lg), var(--shadow-glow-orange);
}
.btn-featured-label {
  position: absolute;
  top: -8px; left: 50%;
  transform: translateX(-50%);
  padding: var(--space-1) var(--space-3);
  background: var(--color-secondary);
  color: var(--text-inverse);
  font-size: 10px;
  font-weight: var(--font-bold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Disabled/Expired */
.btn-link.btn-disabled { opacity: 0.5; pointer-events: none; filter: grayscale(100%); }
.btn-link.btn-expired::after {
  content: 'EXPIRED';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) rotate(-15deg);
  padding: var(--space-1) var(--space-3);
  background: var(--color-error);
  color: var(--text-inverse);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  border-radius: var(--radius-sm);
}

/* Button Animations */
.btn-anim-pulse { will-change: transform, box-shadow; animation: pulseSoft 2.2s ease-in-out infinite; }
@keyframes pulseSoft {
  0%, 100% { transform: scale(1); box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1); }
  50% { transform: scale(1.03); box-shadow: 0 10px 24px rgba(0,0,0,0.15); }
}
.btn-anim-breathe { will-change: transform; animation: breathe 3.2s ease-in-out infinite; }
@keyframes breathe {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-2px) scale(1.02); }
}
.btn-anim-sweep { position: relative; overflow: hidden; }
.btn-anim-sweep::before {
  content: "";
  position: absolute;
  top: -20%; left: -60%;
  width: 40%; height: 140%;
  transform: skewX(-18deg);
  opacity: 0;
  background: rgba(255,255,255,0.55);
  animation: sweep 4.5s ease-in-out infinite;
  z-index: 0;
}
@keyframes sweep {
  0% { left: -60%; opacity: 0; }
  10% { opacity: 0.35; }
  25% { left: 120%; opacity: 0; }
  100% { left: 120%; opacity: 0; }
}
.btn-anim-zoom { will-change: transform; animation: zoomInOut 2.5s ease-in-out infinite; }
@keyframes zoomInOut { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.04); } }

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .btn-anim-pulse, .btn-anim-breathe, .btn-anim-zoom { animation: none !important; }
  .btn-anim-sweep::before { animation: none !important; display: none; }
  .btn-link:hover { transform: none; }
}

/* Info Cards */
.cards-section { margin-bottom: var(--space-8); }
.cards-grid { display: grid; grid-template-columns: 1fr; gap: var(--space-4); }
.info-card {
  position: relative;
  display: block;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid var(--color-gray-100);
}
.info-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }
.info-card.card-featured {
  border: 2px solid var(--color-secondary);
  box-shadow: var(--shadow-lg), var(--shadow-glow-orange);
}
.card-image-wrapper {
  position: relative;
  width: 100%;
  padding-top: 133.33%; /* 3:4 aspect ratio */
  overflow: hidden;
}
.card-image {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}
.info-card:hover .card-image { transform: scale(1.05); }
.card-badge {
  position: absolute;
  top: var(--space-3); right: var(--space-3);
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  z-index: 2;
}
.card-badge.badge-green { background: var(--color-success); color: var(--text-inverse); }
.card-badge.badge-orange { background: var(--color-secondary); color: var(--text-inverse); }
.card-featured-label {
  position: absolute;
  top: var(--space-3); left: var(--space-3);
  padding: var(--space-1) var(--space-3);
  background: var(--color-secondary);
  color: var(--text-inverse);
  font-size: 10px;
  font-weight: var(--font-bold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  z-index: 2;
}
.card-content { padding: var(--space-4); }
.card-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}
.card-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-primary);
  transition: gap var(--transition-base);
}
.info-card:hover .card-cta { gap: var(--space-3); }
.card-cta svg { width: 16px; height: 16px; }
.info-card.card-disabled { opacity: 0.5; pointer-events: none; filter: grayscale(100%); }

/* Footer */
.biolink-footer { margin-top: auto; padding-top: var(--space-8); text-align: center; }
.footer-copyright { font-size: var(--text-xs); color: var(--text-muted); margin-bottom: var(--space-2); }
.footer-powered { font-size: var(--text-xs); color: var(--text-muted); }
.footer-powered a { color: var(--color-primary); font-weight: var(--font-medium); }
.footer-powered a:hover { color: var(--color-primary-dark); }

/* Theme Toggle */
.theme-toggle {
  position: fixed;
  bottom: var(--space-6); right: var(--space-6);
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-elevated);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  color: var(--text-secondary);
  transition: all var(--transition-base);
  z-index: 100;
}
.theme-toggle:hover { transform: scale(1.1); box-shadow: var(--shadow-xl); }
.theme-toggle svg { width: 20px; height: 20px; }
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

/* WhatsApp Float */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-6); left: var(--space-6);
  width: 54px; height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #25D366;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(37,211,102,0.4);
  color: var(--text-inverse);
  transition: all var(--transition-base);
  z-index: 100;
  animation: whatsappBounce 2s ease-in-out infinite;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: var(--shadow-xl), 0 0 30px rgba(37,211,102,0.5); }
.whatsapp-float svg { width: 28px; height: 28px; }
@keyframes whatsappBounce { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }

@media (prefers-reduced-motion: reduce) { .whatsapp-float { animation: none; } }

/* Coming Soon */
.coming-soon-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
}
.coming-soon-text {
  padding: var(--space-2) var(--space-4);
  background: var(--color-secondary);
  color: var(--text-inverse);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

/* Responsive */
@media (min-width: 640px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .profile-logo { width: 140px; height: 140px; }
  .profile-name { font-size: var(--text-3xl); }
  .profile-description { font-size: var(--text-base); }
}
@media (min-width: 768px) { :root { --container-max: 560px; } }

/* Utilities */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.text-center { text-align: center; }
.mt-auto { margin-top: auto; }

/* Focus Ring */
.btn-link:focus-visible, .social-icon:focus-visible, .info-card:focus-visible, .theme-toggle:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

/* Loading Skeleton */
.skeleton {
  background: linear-gradient(90deg, var(--color-gray-100) 25%, var(--color-gray-50) 50%, var(--color-gray-100) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
.skeleton-circle { border-radius: var(--radius-full); }
.skeleton-text { border-radius: var(--radius-sm); height: 1em; }
.skeleton-button { border-radius: var(--radius-xl); height: 56px; }