/* ============================================
   TEMA 11: RETRO FUTURISM
   80'ler Retro-Fütürist
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&family=VT323&display=swap');

:root {
  --retro-bg: #0c0c1d;
  --retro-pink: #ff71ce;
  --retro-cyan: #01cdfe;
  --retro-purple: #b967ff;
  --retro-yellow: #fffb96;
  --retro-grid: rgba(1, 205, 254, 0.2);
  --retro-shadow: 0 0 20px;
}

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

body {
  font-family: 'VT323', monospace;
  background: var(--retro-bg);
  color: var(--retro-cyan);
  line-height: 1.6;
  min-height: 100vh;
  font-size: 20px;
}

/* Retro Grid Background */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: 
    linear-gradient(var(--retro-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--retro-grid) 1px, transparent 1px);
  background-size: 50px 50px;
  perspective: 500px;
  transform-style: preserve-3d;
  animation: gridMove 20s linear infinite;
  pointer-events: none;
  z-index: -1;
}

@keyframes gridMove {
  0% { transform: translateY(0); }
  100% { transform: translateY(50px); }
}

.retro-container { max-width: 1200px; margin: 0 auto; padding: 24px; }

/* Header */
.retro-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--retro-bg);
  border-bottom: 4px solid var(--retro-pink);
  box-shadow: var(--retro-shadow) var(--retro-pink);
}

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

.retro-logo {
  font-family: 'Press Start 2P', cursive;
  font-size: 1rem;
  color: var(--retro-pink);
  text-shadow: var(--retro-shadow) var(--retro-pink);
  display: flex;
  align-items: center;
  gap: 16px;
}

.retro-logo i { font-size: 1.5rem; }

/* Nav */
.retro-nav { display: flex; gap: 32px; }

.retro-nav a {
  color: var(--retro-cyan);
  text-transform: uppercase;
  letter-spacing: 2px;
  position: relative;
  padding: 8px 16px;
  border: 2px solid transparent;
  transition: all 0.3s;
}

.retro-nav a:hover {
  border-color: var(--retro-cyan);
  box-shadow: var(--retro-shadow) var(--retro-cyan);
  background: rgba(1, 205, 254, 0.1);
}

.retro-cta {
  padding: 16px 32px;
  background: var(--retro-pink);
  color: var(--retro-bg);
  font-family: 'Press Start 2P', cursive;
  font-size: 0.75rem;
  text-transform: uppercase;
  border: 4px solid var(--retro-yellow);
  cursor: pointer;
  box-shadow: var(--retro-shadow) var(--retro-pink);
  transition: all 0.3s;
}

.retro-cta:hover {
  transform: scale(1.05);
  box-shadow: 0 0 40px var(--retro-pink);
}

/* Main */
.retro-main { padding-top: 80px; min-height: 100vh; }

/* Hero */
.retro-hero {
  text-align: center;
  padding: 100px 40px;
}

.retro-hero h1 {
  font-family: 'Press Start 2P', cursive;
  font-size: clamp(1.5rem, 5vw, 2.5rem);
  line-height: 1.5;
  margin-bottom: 32px;
  color: var(--retro-pink);
  text-shadow: var(--retro-shadow) var(--retro-pink);
  animation: flicker 3s infinite;
}

@keyframes flicker {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
  52% { opacity: 0.3; }
  54% { opacity: 1; }
}

.retro-hero p {
  font-size: 1.5rem;
  color: var(--retro-cyan);
  text-shadow: var(--retro-shadow) var(--retro-cyan);
  margin-bottom: 40px;
}

/* Stats */
.retro-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin: 80px 0;
}

.retro-stat {
  border: 4px solid var(--retro-purple);
  padding: 32px 16px;
  text-align: center;
  background: rgba(185, 103, 255, 0.1);
  box-shadow: var(--retro-shadow) var(--retro-purple);
}

.retro-stat-value {
  font-family: 'Press Start 2P', cursive;
  font-size: 2rem;
  color: var(--retro-yellow);
  text-shadow: var(--retro-shadow) var(--retro-yellow);
  margin-bottom: 16px;
}

.retro-stat-label {
  font-size: 1.25rem;
  color: var(--retro-cyan);
  text-transform: uppercase;
}

/* Cards */
.retro-grid {
  display: grid;
  gap: 32px;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.retro-card {
  border: 4px solid var(--retro-cyan);
  padding: 32px;
  background: rgba(1, 205, 254, 0.05);
  box-shadow: var(--retro-shadow) var(--retro-cyan);
  transition: all 0.3s;
}

.retro-card:hover {
  border-color: var(--retro-pink);
  box-shadow: var(--retro-shadow) var(--retro-pink);
  transform: translateY(-5px);
}

.retro-card h3 {
  font-family: 'Press Start 2P', cursive;
  font-size: 1rem;
  color: var(--retro-pink);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.retro-card p {
  color: var(--retro-cyan);
  font-size: 1.25rem;
}

/* CTA Section */
.retro-cta-section {
  text-align: center;
  padding: 100px 40px;
  border: 4px solid var(--retro-yellow);
  margin: 80px 0;
  background: rgba(255, 251, 150, 0.05);
  box-shadow: var(--retro-shadow) var(--retro-yellow);
}

.retro-cta-section h2 {
  font-family: 'Press Start 2P', cursive;
  font-size: 1.5rem;
  color: var(--retro-yellow);
  text-shadow: var(--retro-shadow) var(--retro-yellow);
  margin-bottom: 32px;
}

/* Footer */
.retro-footer {
  border-top: 4px solid var(--retro-purple);
  padding: 64px 0 32px;
  background: rgba(185, 103, 255, 0.05);
}

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

.retro-footer a {
  color: var(--retro-cyan);
  display: block;
  padding: 8px 0;
  text-transform: uppercase;
  transition: all 0.3s;
}

.retro-footer a:hover {
  color: var(--retro-pink);
  text-shadow: var(--retro-shadow) var(--retro-pink);
}

@media (max-width: 1024px) {
  .retro-stats { grid-template-columns: repeat(2, 1fr); }
  .retro-footer-grid { grid-template-columns: repeat(2, 1fr); }
  .retro-nav { display: none; }
}

@media (max-width: 640px) {
  .retro-stats { grid-template-columns: 1fr; }
  .retro-footer-grid { grid-template-columns: 1fr; }
}