/* ==========================================================================
   APPZ.WTF - Retro-Tech Aesthetic
   ========================================================================== */

:root {
  /* Dark theme with electric accents */
  --bg-primary: #0a0a0a;
  --bg-secondary: #111111;
  --bg-card: #161616;
  --bg-card-hover: #1a1a1a;

  --text-primary: #f5f5f5;
  --text-secondary: #888888;
  --text-muted: #555555;

  --accent-primary: #00ff88;
  --accent-secondary: #ff6b35;
  --accent-tertiary: #a855f7;

  --border-color: #2a2a2a;
  --border-hover: #3a3a3a;

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-mono: 'Space Mono', monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 4rem;
  --space-2xl: 8rem;

  /* Animation */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Film grain overlay */
.grain {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

/* ==========================================================================
   Header
   ========================================================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(to bottom, var(--bg-primary) 0%, transparent 100%);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  transition: transform 0.3s var(--ease-out-back);
}

.logo:hover {
  transform: scale(1.05);
}

.logo-icon {
  color: var(--accent-primary);
  font-family: var(--font-mono);
}

.logo-text {
  letter-spacing: 0.05em;
}

.nav {
  display: flex;
  gap: var(--space-lg);
}

.nav a {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: color 0.2s ease;
  position: relative;
}

.nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-primary);
  transition: width 0.3s var(--ease-out-expo);
}

.nav a:hover {
  color: var(--text-primary);
}

.nav a:hover::after {
  width: 100%;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2xl) var(--space-lg);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 20%;
  left: -10%;
  width: 50%;
  height: 50%;
  background: radial-gradient(ellipse, rgba(0, 255, 136, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 10%;
  right: -10%;
  width: 40%;
  height: 40%;
  background: radial-gradient(ellipse, rgba(168, 85, 247, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  flex: 1;
  max-width: 700px;
  z-index: 1;
  animation: fadeInUp 1s var(--ease-out-expo) forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-lg);
  animation: fadeInUp 1s var(--ease-out-expo) 0.1s backwards;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
}

.title-line {
  display: block;
}

.title-line:first-child {
  font-size: clamp(2rem, 5vw, 3.5rem);
  color: var(--text-secondary);
  animation: fadeInUp 1s var(--ease-out-expo) 0.2s backwards;
}

.title-line.accent {
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--text-muted);
  font-weight: 500;
  margin: var(--space-sm) 0;
  animation: fadeInUp 1s var(--ease-out-expo) 0.3s backwards;
}

.title-line.wtf {
  font-size: clamp(4rem, 12vw, 10rem);
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 50%, var(--accent-tertiary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  letter-spacing: -0.02em;
  animation: fadeInUp 1s var(--ease-out-expo) 0.4s backwards;
}

.hero-subtitle {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: var(--space-xl);
  animation: fadeInUp 1s var(--ease-out-expo) 0.5s backwards;
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: var(--accent-primary);
  color: var(--bg-primary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 4px;
  transition: all 0.3s var(--ease-out-back);
  animation: fadeInUp 1s var(--ease-out-expo) 0.6s backwards;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 40px rgba(0, 255, 136, 0.3);
}

.cta-button svg {
  transition: transform 0.3s var(--ease-out-back);
}

.cta-button:hover svg {
  transform: translate(3px, -3px);
}

/* Floating cards */
.hero-visual {
  position: relative;
  width: 300px;
  height: 400px;
  flex-shrink: 0;
}

.floating-card {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 120px;
  height: 120px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  font-family: var(--font-mono);
  font-size: 1.5rem;
}

.card-1 {
  top: 10%;
  left: 10%;
  animation: float1 6s ease-in-out infinite;
  animation-delay: 0s;
}

.card-2 {
  top: 40%;
  right: 0;
  animation: float2 7s ease-in-out infinite;
  animation-delay: -2s;
  border-color: var(--accent-primary);
  box-shadow: 0 0 30px rgba(0, 255, 136, 0.1);
}

.card-2 .card-emoji {
  color: var(--accent-primary);
}

.card-3 {
  bottom: 10%;
  left: 20%;
  animation: float3 5s ease-in-out infinite;
  animation-delay: -4s;
}

@keyframes float1 {
  0%, 100% { transform: translate(0, 0) rotate(-3deg); }
  50% { transform: translate(10px, -20px) rotate(3deg); }
}

@keyframes float2 {
  0%, 100% { transform: translate(0, 0) rotate(2deg); }
  50% { transform: translate(-15px, 15px) rotate(-2deg); }
}

@keyframes float3 {
  0%, 100% { transform: translate(0, 0) rotate(5deg); }
  50% { transform: translate(20px, -10px) rotate(-5deg); }
}

/* ==========================================================================
   Projects Section
   ========================================================================== */

.projects {
  padding: var(--space-2xl) var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  margin-bottom: var(--space-xl);
}

.section-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-primary);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: var(--space-lg);
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: var(--space-lg);
  transition: all 0.4s var(--ease-out-expo);
}

.project-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateY(-4px);
}

.project-card.featured {
  border-color: var(--accent-primary);
  position: relative;
  overflow: hidden;
}

.project-card.featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-primary), var(--accent-tertiary));
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-md);
}

.project-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: 12px;
  color: var(--accent-primary);
}

.project-version {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-primary);
  padding: var(--space-xs) var(--space-sm);
  background: rgba(0, 255, 136, 0.1);
  border-radius: 4px;
}

.project-status {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-secondary);
  padding: var(--space-xs) var(--space-sm);
  background: rgba(255, 107, 53, 0.1);
  border-radius: 4px;
}

.project-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.project-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.project-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.project-features li {
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding-left: var(--space-md);
  position: relative;
}

.project-features li::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--accent-primary);
  font-weight: 700;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  padding: var(--space-xs) var(--space-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.project-links {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  transition: all 0.3s ease;
}

.project-link:hover {
  color: var(--text-primary);
  border-color: var(--text-muted);
}

.project-link.primary {
  background: var(--accent-primary);
  color: var(--bg-primary);
  border-color: var(--accent-primary);
  font-weight: 700;
}

.project-link.primary:hover {
  background: #00cc6e;
  border-color: #00cc6e;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 255, 136, 0.2);
}

.project-demo-hint {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.75rem;
  color: var(--text-muted);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-color);
}

.hint-label {
  color: var(--text-muted);
}

.project-demo-hint code {
  font-family: var(--font-mono);
  color: var(--text-secondary);
  background: var(--bg-secondary);
  padding: 2px 8px;
  border-radius: 4px;
}

/* Coming soon card */
.project-card.coming-soon {
  display: flex;
  flex-direction: column;
  border-style: dashed;
}

.suggest-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--accent-secondary);
  margin-top: auto;
  padding-top: var(--space-lg);
  transition: gap 0.3s ease;
}

.suggest-link:hover {
  gap: var(--space-md);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  padding: var(--space-xl) var(--space-lg);
  border-top: 1px solid var(--border-color);
  margin-top: var(--space-2xl);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-xl);
}

.footer-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  display: block;
  margin-bottom: var(--space-sm);
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom .separator {
  color: var(--border-color);
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 120px;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-visual {
    width: 100%;
    height: 200px;
    margin-top: var(--space-xl);
  }

  .floating-card {
    width: 80px;
    height: 80px;
    font-size: 1rem;
  }

  .card-1 { top: 20%; left: 15%; }
  .card-2 { top: 20%; right: 15%; }
  .card-3 { display: none; }
}

@media (max-width: 600px) {
  :root {
    --space-lg: 1.5rem;
    --space-xl: 3rem;
    --space-2xl: 5rem;
  }

  .header {
    padding: var(--space-md);
  }

  .nav {
    gap: var(--space-md);
  }

  .nav a {
    font-size: 0.75rem;
  }

  .project-grid {
    grid-template-columns: 1fr;
  }

  .project-features {
    grid-template-columns: 1fr;
  }

  .project-links {
    flex-direction: column;
  }

  .project-link {
    justify-content: center;
  }

  .footer-content {
    flex-direction: column;
    gap: var(--space-lg);
  }

  .footer-bottom {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* Selection highlight */
::selection {
  background: var(--accent-primary);
  color: var(--bg-primary);
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}