/* =========================================================
   Super-PC — Global Design System
   Dark Cyberpunk Gaming Aesthetic
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@700;800;900&family=Rajdhani:wght@500;600;700&family=DM+Sans:wght@400;500&family=JetBrains+Mono:wght@400;500&display=swap');

/* CSS Custom Properties */
:root {
  /* Colors */
  --bg-primary: #080810;
  --bg-secondary: #0d0d1a;
  --bg-surface: #12121f;
  --bg-card: #16162a;
  --bg-card-hover: #1c1c35;

  --neon: #00ff88;
  --neon-dim: #00cc6a;
  --neon-glow: rgba(0, 255, 136, 0.15);
  --neon-glow-strong: rgba(0, 255, 136, 0.35);
  --cyan: #00e5ff;
  --cyan-dim: #00b8cc;
  --purple: #7c3aed;

  --rgb-red: #ff2d55;
  --rgb-green: #00ff88;
  --rgb-blue: #00e5ff;

  --text-primary: #f0f0ff;
  --text-secondary: #a0a0c0;
  --text-muted: #606080;
  --text-accent: #00ff88;
  --text-cyan: #00e5ff;

  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-neon: rgba(0, 255, 136, 0.4);
  --border-neon-strong: rgba(0, 255, 136, 0.8);

  /* Gradients */
  --gradient-neon: linear-gradient(90deg, #00ff88 0%, #00e5ff 100%);
  --gradient-rgb: linear-gradient(90deg, #ff2d55, #00ff88, #00e5ff, #7c3aed, #ff2d55);
  --gradient-card: linear-gradient(145deg, #16162a 0%, #12121f 100%);

  /* Typography */
  --font-display: 'Orbitron', sans-serif;
  --font-heading: 'Rajdhani', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Spacing */
  --nav-height: 72px;
  --container-max: 1280px;
  --container-pad: clamp(1.5rem, 5vw, 4rem);
  --section-py: clamp(4rem, 8vw, 8rem);

  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* Shadows */
  --shadow-neon: 0 0 20px rgba(0, 255, 136, 0.4), 0 0 60px rgba(0, 255, 136, 0.15);
  --shadow-neon-subtle: 0 0 10px rgba(0, 255, 136, 0.2);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
  --shadow-card-hover: 0 8px 40px rgba(0, 0, 0, 0.6), 0 0 24px rgba(0, 255, 136, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--neon-dim);
  border-radius: 3px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: 0.03em;
  color: var(--text-primary);
}

.display-font {
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

p {
  color: var(--text-secondary);
  line-height: 1.7;
}

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

a:hover {
  color: var(--cyan);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Layout */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

.section {
  padding: var(--section-py) 0;
}

.section-dark {
  background: var(--bg-secondary);
}

.section-surface {
  background: var(--bg-surface);
}

/* RGB Accent Bar */
.rgb-bar {
  height: 3px;
  background: var(--gradient-rgb);
  background-size: 200% 100%;
  animation: rgbSweep 3s linear infinite;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2.5rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--neon);
  color: var(--bg-primary);
}

.btn-primary:hover {
  background: var(--cyan);
  color: var(--bg-primary);
  box-shadow: var(--shadow-neon);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--neon);
  border: 1px solid var(--border-neon);
}

.btn-ghost:hover {
  background: var(--neon-glow);
  border-color: var(--border-neon-strong);
  box-shadow: var(--shadow-neon-subtle);
  color: var(--neon);
  transform: translateY(-2px);
}

.btn-cyan {
  background: var(--cyan);
  color: var(--bg-primary);
}

.btn-cyan:hover {
  background: var(--neon);
  color: var(--bg-primary);
  box-shadow: 0 0 24px rgba(0, 229, 255, 0.5);
  transform: translateY(-2px);
}

/* Cards */
.card {
  background: var(--gradient-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-neon);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.card:hover {
  border-color: var(--border-neon);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

.card:hover::before {
  opacity: 1;
}

/* Neon text */
.text-neon {
  color: var(--neon);
}

.text-cyan {
  color: var(--cyan);
}

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

.text-gradient {
  background: var(--gradient-neon);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Section label */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--neon);
  margin-bottom: 1.25rem;
}

.section-label::before {
  content: '';
  display: block;
  width: 2rem;
  height: 1px;
  background: var(--neon);
}

/* Section heading group */
.section-header {
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-header.centered {
  text-align: center;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 540px;
}

.section-header.centered .section-subtitle {
  margin: 0 auto;
}

/* Neon divider */
.neon-divider {
  width: 60px;
  height: 2px;
  background: var(--gradient-neon);
  margin: 1rem 0;
}

.section-header.centered .neon-divider {
  margin: 1rem auto;
}

/* Badge */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--neon-glow);
  border: 1px solid var(--border-neon);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--neon);
}

/* Grid */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Page hero */
.page-hero {
  padding-top: calc(var(--nav-height) + 4rem);
  padding-bottom: 4rem;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(0,255,136,0.05) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(0,229,255,0.04) 0%, transparent 60%);
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.breadcrumb a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--neon);
}

.breadcrumb span {
  color: var(--neon);
}

.breadcrumb-sep {
  color: var(--text-muted);
  opacity: 0.5;
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* Neon pulse animation */
@keyframes neonPulse {
  from { box-shadow: 0 0 10px rgba(0, 255, 136, 0.3); }
  to { box-shadow: 0 0 30px rgba(0, 255, 136, 0.7), 0 0 60px rgba(0, 255, 136, 0.3); }
}

.neon-pulse {
  animation: neonPulse 2s ease-in-out infinite alternate;
}

/* RGB sweep animation */
@keyframes rgbSweep {
  from { background-position: 0% 50%; }
  to { background-position: 200% 50%; }
}

/* Glitch animation */
@keyframes glitch1 {
  0%, 100% { clip-path: inset(0 0 100% 0); transform: translateX(0); }
  20% { clip-path: inset(20% 0 60% 0); transform: translateX(-4px); }
  40% { clip-path: inset(50% 0 20% 0); transform: translateX(4px); }
  60% { clip-path: inset(10% 0 70% 0); transform: translateX(-2px); }
  80% { clip-path: inset(70% 0 10% 0); transform: translateX(2px); }
}

@keyframes scanlines {
  0% { background-position: 0 0; }
  100% { background-position: 0 8px; }
}

/* Utility */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-1 { gap: 1rem; }
.gap-2 { gap: 2rem; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.text-center { text-align: center; }
.w-full { width: 100%; }

/* Focus styles */
:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}