/* Stealth OS - Cyberpunk Terminal Style */
:root {
  --os-bg-black: #050505;
  --os-bg-dark: #0a0a0a;
  --os-bg-window: #121212;
  --os-neon-green: #00ff41;
  --os-neon-cyan: #00f3ff;
  --os-neon-magenta: #ff00ff;
  --os-text-primary: #e0e0e0;
  --os-text-dim: #888888;
  --os-border: #2a2a2a;
  --os-border-active: #3a3a3a;
  --os-glow: 0 0 10px rgba(0, 255, 65, 0.4);
  --os-font-mono: 'Courier New', Courier, monospace;
  --os-font-sans: 'Inter', system-ui, -apple-system, sans-serif;

  --space-unit: 8px;
  --space-xs: calc(var(--space-unit) * 1);
  --space-sm: calc(var(--space-unit) * 2);
  --space-md: calc(var(--space-unit) * 4);
  --space-lg: calc(var(--space-unit) * 6);
  --space-xl: calc(var(--space-unit) * 10);

  --trans-fast: 0.15s ease;
  --trans-mid: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background-color: var(--os-bg-black);
  color: var(--os-text-primary);
  font-family: var(--os-font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* --- Global Scanline Overlay --- */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%,
      rgba(0, 0, 0, 0.1) 50%),
    linear-gradient(90deg,
      rgba(255, 0, 0, 0.02),
      rgba(0, 255, 0, 0.01),
      rgba(0, 0, 255, 0.02));
  background-size: 100% 4px, 3px 100%;
  z-index: 9999;
  pointer-events: none;
  opacity: 0.3;
}

/* --- Typography --- */
h1,
h2,
h3,
h4,
.mono {
  font-family: var(--os-font-mono);
  text-transform: uppercase;
  letter-spacing: 2px;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--trans-fast);
}

/* --- UI Components --- */
.os-window {
  background: var(--os-bg-window);
  border: 1px solid var(--os-border);
  position: relative;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.os-window-header {
  height: 30px;
  background: var(--os-bg-dark);
  border-bottom: 1px solid var(--os-border);
  display: flex;
  align-items: center;
  padding: 0 var(--space-sm);
  justify-content: space-between;
}

.os-window-title {
  font-family: var(--os-font-mono);
  font-size: 12px;
  color: var(--os-text-dim);
}

.os-window-controls {
  display: flex;
  gap: 6px;
}

.os-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid var(--os-border);
}

.os-dot.red {
  background: #ff5f56;
}

.os-dot.yellow {
  background: #ffbd2e;
}

.os-dot.green {
  background: #27c93f;
}

/* --- Age Gate --- */
.stealth-gate-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--os-bg-black);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10001;
}

.stealth-gate-panel {
  max-width: 500px;
  width: 90%;
  padding: var(--space-lg);
  text-align: center;
}

.gate-id-badge {
  color: var(--os-neon-green);
  font-family: var(--os-font-mono);
  margin-bottom: var(--space-md);
  font-size: 14px;
}

.gate-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-top: var(--space-md);
}

.os-btn {
  padding: 12px 24px;
  font-family: var(--os-font-mono);
  background: transparent;
  border: 1px solid var(--os-neon-green);
  color: var(--os-neon-green);
  cursor: pointer;
  transition: all var(--trans-mid);
  text-transform: uppercase;
  font-weight: bold;
}

.os-btn:hover {
  background: var(--os-neon-green);
  color: var(--os-bg-black);
  box-shadow: 0 0 15px rgba(0, 255, 65, 0.6);
}

.os-btn.deny {
  border-color: var(--os-text-dim);
  color: var(--os-text-dim);
}

.os-btn.deny:hover {
  background: var(--os-text-dim);
  color: var(--os-bg-black);
  box-shadow: none;
}

/* --- Navigation --- */
.stealth-nav {
  position: fixed;
  top: 0;
  width: 100%;
  height: 60px;
  background: var(--os-bg-dark);
  border-bottom: 1px solid var(--os-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-lg);
  z-index: 1000;
}

.nav-brand {
  font-family: var(--os-font-mono);
  font-weight: bold;
  font-size: 1.2rem;
  color: var(--os-neon-green);
  text-shadow: var(--os-glow);
}

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.mobile-menu-toggle span {
  width: 20px;
  height: 2px;
  background: var(--os-neon-green);
  transition: var(--trans-mid);
}

.nav-links {
  display: flex;
  gap: var(--space-md);
  list-style: none;
}

.nav-link {
  font-family: var(--os-font-mono);
  font-size: 14px;
  color: var(--os-text-dim);
  position: relative;
  padding: 5px 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--os-neon-green);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--os-neon-green);
  transition: width var(--trans-mid);
}

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

/* --- Hero Section --- */
.stealth-hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 60px;
  background-image:
    radial-gradient(circle at center, rgba(0, 255, 65, 0.05) 0%, transparent 70%),
    linear-gradient(rgba(26, 26, 26, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26, 26, 26, 0.1) 1px, transparent 1px);
  background-size: 100% 100%, 40px 40px, 40px 40px;
}

.hero-content {
  text-align: center;
  max-width: 900px;
  padding: var(--space-xl);
}

.hero-prefix {
  color: var(--os-neon-cyan);
  font-family: var(--os-font-mono);
  margin-bottom: var(--space-sm);
  display: block;
}

.hero-title {
  font-size: 4rem;
  margin-bottom: var(--space-md);
  color: var(--os-text-primary);
  line-height: 1;
}

.hero-desc {
  font-size: 1.2rem;
  color: var(--os-text-dim);
  max-width: 600px;
  margin: 0 auto var(--space-lg);
}

/* --- Games Section --- */
.stealth-section {
  background: #131613;
  padding: var(--space-xl) var(--space-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: var(--space-lg);
  border-left: 4px solid var(--os-neon-green);
  padding-left: var(--space-md);
}

.game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-lg);
}

.game-card {
  transition: transform var(--trans-mid);
}

.game-card:hover {
  transform: translateY(-5px);
}

.game-img-wrapper {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  border: 1px solid var(--os-border);
}

.game-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.2);
  transition: filter var(--trans-mid);
}

.game-card:hover img {
  filter: grayscale(0);
}

.game-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--trans-mid);
}

.game-card:hover .game-overlay {
  opacity: 1;
}

/* --- About/Features Section --- */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.info-box {
  padding: var(--space-md);
  border: 1px solid var(--os-border);
  background: var(--os-bg-dark);
}

.info-icon {
  color: var(--os-neon-green);
  margin-bottom: var(--space-sm);
  font-family: var(--os-font-mono);
}

/* --- Contact Section --- */
.contact-container {
  max-width: 800px;
  margin: 0 auto;
}

.os-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

label {
  font-family: var(--os-font-mono);
  font-size: 12px;
  color: var(--os-text-dim);
  text-transform: uppercase;
}

input,
textarea {
  background: var(--os-bg-dark);
  border: 1px solid var(--os-border);
  padding: var(--space-sm);
  color: var(--os-text-primary);
  font-family: var(--os-font-sans);
  outline: none;
  transition: border-color var(--trans-fast);
}

input:focus,
textarea:focus {
  border-color: var(--os-neon-green);
}

/* --- Footer --- */
.stealth-footer {
  background: var(--os-bg-dark);
  border-top: 1px solid var(--os-border);
  padding: var(--space-xl) var(--space-lg);
  margin-top: var(--space-xl);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-xl);
  max-width: 1400px;
  margin: 0 auto;
}

.footer-about h3 {
  color: var(--os-neon-green);
  margin-bottom: var(--space-md);
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.footer-bottom {
  border-top: 1px solid var(--os-border);
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  text-align: center;
  color: var(--os-text-dim);
  font-family: var(--os-font-mono);
  font-size: 12px;
}

/* --- Mobile --- */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .nav-links {
    display: flex;
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: calc(100vh - 60px);
    background: var(--os-bg-black);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    transform: translateX(100%);
    transition: transform var(--trans-mid);
    border-top: 1px solid var(--os-border);
  }

  .nav-links.active {
    transform: translateX(0);
  }

  .mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

/* --- Animations --- */
@keyframes scan {
  0% {
    top: -100%;
  }

  100% {
    top: 100%;
  }
}

.scanning::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--os-neon-green);
  opacity: 0.1;
  animation: scan 4s linear infinite;
  pointer-events: none;
}