/* ============================================
   TEMA 2: GLASSMORPHISM
   Buzlu Cam Efekti - Frosted Glass UI
   2026 Trend: Translucency & Depth
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  --glass-bg: #0f0f1a;
  --glass-surface: rgba(255, 255, 255, 0.05);
  --glass-surface-hover: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-border-hover: rgba(255, 255, 255, 0.2);
  --glass-accent: #00d4ff;
  --glass-accent-glow: rgba(0, 212, 255, 0.3);
  --glass-purple: #a855f7;
  --glass-gold: #ffd700;
  --glass-text: #ffffff;
  --glass-text-secondary: rgba(255, 255, 255, 0.7);
  --glass-text-muted: rgba(255, 255, 255, 0.5);
  --glass-radius: 20px;
  --glass-blur: 20px;
}

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

body {
  font-family: 'Outfit', -apple-system, sans-serif;
  background: var(--glass-bg);
  color: var(--glass-text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Animated Background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(circle at 20% 20%, rgba(0, 212, 255, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 80% 80%, rgba(168, 85, 247, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(255, 215, 0, 0.05) 0%, transparent 50%);
  animation: bgShift 20s ease-in-out infinite;
  pointer-events: none;
  z-index: -1;
}

@keyframes bgShift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* Glass Container */
.glass-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px;
}

/* Glass Card Base */
.glass {
  background: var(--glass-surface);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--glass-radius);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
}

.glass:hover {
  background: var(--glass-surface-hover);
  border-color: var(--glass-border-hover);
  transform: translateY(-4px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3), 0 0 40px var(--glass-accent-glow);
}

/* Glass Header */
.glass-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(15, 15, 26, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

.glass-header .glass-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.glass-logo {
  font-size: 1.75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 12px;
}

.glass-logo i {
  font-size: 2rem;
  color: var(--glass-accent);
  filter: drop-shadow(0 0 10px var(--glass-accent-glow));
}

.glass-logo span { background: linear-gradient(135deg, var(--glass-text) 0%, var(--glass-accent) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }

/* Navigation */
.glass-nav { display: flex; gap: 12px; }

.glass-nav a {
  padding: 10px 20px;
  border-radius: 12px;
  color: var(--glass-text-secondary);
  font-weight: 500;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.glass-nav a::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.1) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s;
}

.glass-nav a:hover {
  color: var(--glass-text);
  background: rgba(255, 255, 255, 0.05);
}

.glass-nav a:hover::before { opacity: 1; }

/* CTA Button */
.glass-cta {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.2) 0%, rgba(168, 85, 247, 0.2) 100%);
  border: 1px solid rgba(0, 212, 255, 0.3);
  color: var(--glass-text);
  padding: 12px 28px;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.glass-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--glass-accent) 0%, var(--glass-purple) 100%);
  opacity: 0;
  transition: opacity 0.3s;
}

.glass-cta:hover {
  border-color: var(--glass-accent);
  box-shadow: 0 0 30px var(--glass-accent-glow);
}

.glass-cta span { position: relative; z-index: 1; }

/* Main Content */
.glass-main { padding-top: 100px; min-height: 100vh; }

/* Grid Layout */
.glass-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.glass-grid-2 { grid-template-columns: repeat(2, 1fr); }
.glass-grid-3 { grid-template-columns: repeat(3, 1fr); }
.glass-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Hero Section */
.glass-hero {
  text-align: center;
  padding: 80px 40px;
  margin-bottom: 48px;
}

.glass-hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--glass-text) 0%, var(--glass-accent) 50%, var(--glass-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.glass-hero p {
  font-size: 1.25rem;
  color: var(--glass-text-secondary);
  max-width: 600px;
  margin: 0 auto 32px;
}

.glass-hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Glass Button Variants */
.glass-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  border: 1px solid transparent;
}

.glass-btn-primary {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.25) 0%, rgba(168, 85, 247, 0.25) 100%);
  border-color: rgba(0, 212, 255, 0.4);
  color: var(--glass-text);
}

.glass-btn-primary:hover {
  box-shadow: 0 0 40px var(--glass-accent-glow);
  transform: translateY(-2px);
}

.glass-btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--glass-border);
  color: var(--glass-text);
}

.glass-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--glass-border-hover);
}

/* Glass Cards */
.glass-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.glass-card h3 i { color: var(--glass-accent); }

.glass-card p { color: var(--glass-text-secondary); font-size: 0.95rem; }

/* Glass Icon */
.glass-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.15) 0%, rgba(168, 85, 247, 0.15) 100%);
  border: 1px solid rgba(0, 212, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  font-size: 1.75rem;
  color: var(--glass-accent);
}

/* Glass Stats */
.glass-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin: 48px 0;
}

.glass-stat {
  text-align: center;
  padding: 32px 24px;
}

.glass-stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--glass-accent) 0%, var(--glass-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.glass-stat-label {
  font-size: 0.875rem;
  color: var(--glass-text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Glass Feature */
.glass-feature {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.glass-feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--glass-accent);
  font-size: 1.25rem;
}

.glass-feature-content h4 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.glass-feature-content p { color: var(--glass-text-secondary); font-size: 0.9rem; }

/* Glass Footer */
.glass-footer {
  margin-top: 80px;
  padding: 48px 0;
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid var(--glass-border);
}

.glass-footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 48px;
}

/* Shimmer Effect */
.glass-shimmer {
  position: relative;
  overflow: hidden;
}

.glass-shimmer::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(255, 255, 255, 0.03) 50%,
    transparent 70%
  );
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%) rotate(45deg); }
  100% { transform: translateX(100%) rotate(45deg); }
}

/* Responsive */
@media (max-width: 1024px) {
  .glass-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .glass-stats { grid-template-columns: repeat(2, 1fr); }
  .glass-footer-grid { grid-template-columns: repeat(2, 1fr); }
  .glass-hero h1 { font-size: 2.5rem; }
}

@media (max-width: 640px) {
  .glass-grid-2, .glass-grid-3, .glass-grid-4 { grid-template-columns: 1fr; }
  .glass-stats { grid-template-columns: 1fr 1fr; }
  .glass-footer-grid { grid-template-columns: 1fr; }
  .glass-hero h1 { font-size: 2rem; }
  .glass-nav { display: none; }
}