/* ============================================
   0xForge Design System
   The world's first AI-powered universal
   firmware & hardware creation platform
   ============================================ */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800;900&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Background Colors */
  --bg-void: #050508;
  --bg-primary: #0a0a0f;
  --bg-secondary: #101018;
  --bg-tertiary: #16161f;
  --bg-elevated: #1c1c28;
  --bg-surface: #222233;
  --bg-glass: rgba(16, 16, 24, 0.72);
  --bg-glass-heavy: rgba(10, 10, 15, 0.88);
  --bg-glass-light: rgba(22, 22, 31, 0.55);

  /* Accent Colors */
  --accent-green: #00ff41;
  --accent-green-dim: #00cc33;
  --accent-green-glow: rgba(0, 255, 65, 0.15);
  --accent-green-subtle: rgba(0, 255, 65, 0.06);
  --accent-blue: #00d4ff;
  --accent-blue-dim: #00a8cc;
  --accent-blue-glow: rgba(0, 212, 255, 0.15);
  --accent-purple: #a855f7;
  --accent-purple-dim: #8b3fd9;
  --accent-purple-glow: rgba(168, 85, 247, 0.15);
  --accent-amber: #f59e0b;
  --accent-amber-glow: rgba(245, 158, 11, 0.15);
  --accent-red: #ef4444;
  --accent-red-glow: rgba(239, 68, 68, 0.15);
  --accent-cyan: #22d3ee;

  /* Gradient Presets */
  --gradient-hero: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-blue) 50%, var(--accent-purple) 100%);
  --gradient-green-blue: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-blue) 100%);
  --gradient-blue-purple: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-purple) 100%);
  --gradient-surface: linear-gradient(180deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
  --gradient-scanline: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 255, 65, 0.015) 2px,
    rgba(0, 255, 65, 0.015) 4px
  );

  /* Text Colors */
  --text-primary: #e4e4e7;
  --text-secondary: #a1a1aa;
  --text-muted: #5a5a6e;
  --text-disabled: #3f3f50;
  --text-inverse: #0a0a0f;
  --text-accent: var(--accent-green);

  /* Border Colors */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-default: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.16);
  --border-glow-green: rgba(0, 255, 65, 0.25);
  --border-glow-blue: rgba(0, 212, 255, 0.25);
  --border-glow-purple: rgba(168, 85, 247, 0.25);

  /* Typography */
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Outfit', 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  /* Font Sizes */
  --text-xs: 0.75rem;     /* 12px */
  --text-sm: 0.8125rem;   /* 13px */
  --text-base: 0.9375rem; /* 15px */
  --text-lg: 1.125rem;    /* 18px */
  --text-xl: 1.25rem;     /* 20px */
  --text-2xl: 1.5rem;     /* 24px */
  --text-3xl: 2rem;        /* 32px */
  --text-4xl: 2.5rem;      /* 40px */
  --text-5xl: 3.25rem;     /* 52px */
  --text-6xl: 4rem;        /* 64px */
  --text-hero: clamp(2.5rem, 6vw, 5rem);

  /* Font Weights */
  --weight-light: 300;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;
  --weight-extrabold: 800;
  --weight-black: 900;

  /* Spacing Scale */
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-32: 8rem;     /* 128px */

  /* Border Radius */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.6);
  --shadow-glow-green: 0 0 20px rgba(0, 255, 65, 0.2), 0 0 60px rgba(0, 255, 65, 0.08);
  --shadow-glow-blue: 0 0 20px rgba(0, 212, 255, 0.2), 0 0 60px rgba(0, 212, 255, 0.08);
  --shadow-glow-purple: 0 0 20px rgba(168, 85, 247, 0.2), 0 0 60px rgba(168, 85, 247, 0.08);
  --shadow-inset: inset 0 1px 0 rgba(255, 255, 255, 0.04);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-Index Scale */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal-backdrop: 300;
  --z-modal: 400;
  --z-toast: 500;
  --z-tooltip: 600;

  /* Misc */
  --blur-glass: 20px;
  --blur-heavy: 40px;
  --content-width: 1280px;
  --content-narrow: 960px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-size: 16px;
  color-scheme: dark;
}

body {
  font-family: var(--font-ui);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-void);
  overflow-x: hidden;
  min-height: 100vh;
}

/* Global background grain/noise texture */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: var(--gradient-scanline);
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
}

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

a:hover {
  color: var(--accent-green);
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

ul, ol {
  list-style: none;
}

::selection {
  background: rgba(0, 255, 65, 0.25);
  color: var(--text-primary);
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--bg-surface);
  border-radius: var(--radius-full);
}

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

/* --- Keyframe Animations --- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-32px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(32px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes pulseSoft {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 8px rgba(0, 255, 65, 0.2);
  }
  50% {
    box-shadow: 0 0 24px rgba(0, 255, 65, 0.4), 0 0 48px rgba(0, 255, 65, 0.1);
  }
}

@keyframes glowPulseBlue {
  0%, 100% {
    box-shadow: 0 0 8px rgba(0, 212, 255, 0.2);
  }
  50% {
    box-shadow: 0 0 24px rgba(0, 212, 255, 0.4), 0 0 48px rgba(0, 212, 255, 0.1);
  }
}

@keyframes borderGlow {
  0%, 100% {
    border-color: var(--border-glow-green);
  }
  50% {
    border-color: var(--accent-green);
  }
}

@keyframes scanline {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100vh); }
}

@keyframes glitch {
  0% {
    clip-path: inset(40% 0 61% 0);
    transform: translate(-2px, 2px);
  }
  20% {
    clip-path: inset(92% 0 1% 0);
    transform: translate(1px, -1px);
  }
  40% {
    clip-path: inset(43% 0 1% 0);
    transform: translate(-1px, 3px);
  }
  60% {
    clip-path: inset(25% 0 58% 0);
    transform: translate(3px, 1px);
  }
  80% {
    clip-path: inset(54% 0 7% 0);
    transform: translate(-3px, -2px);
  }
  100% {
    clip-path: inset(58% 0 43% 0);
    transform: translate(2px, -3px);
  }
}

@keyframes glitchText {
  0%, 100% {
    text-shadow: 2px 0 var(--accent-red), -2px 0 var(--accent-blue);
  }
  25% {
    text-shadow: -2px 0 var(--accent-red), 2px 0 var(--accent-blue);
  }
  50% {
    text-shadow: 2px 2px var(--accent-red), -2px -2px var(--accent-blue);
  }
  75% {
    text-shadow: -2px 2px var(--accent-red), 2px -2px var(--accent-blue);
  }
}

@keyframes typewriter {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 0.5;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

@keyframes hexPulse {
  0%, 100% {
    opacity: 0.03;
  }
  50% {
    opacity: 0.08;
  }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --- Utility Classes --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

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

.text-glow {
  text-shadow: 0 0 10px rgba(0, 255, 65, 0.5), 0 0 40px rgba(0, 255, 65, 0.15);
}

.text-mono {
  font-family: var(--font-mono);
}

.text-display {
  font-family: var(--font-display);
}

.glass {
  background: var(--bg-glass);
  backdrop-filter: blur(var(--blur-glass));
  -webkit-backdrop-filter: blur(var(--blur-glass));
  border: 1px solid var(--border-subtle);
}

.glass-heavy {
  background: var(--bg-glass-heavy);
  backdrop-filter: blur(var(--blur-heavy));
  -webkit-backdrop-filter: blur(var(--blur-heavy));
  border: 1px solid var(--border-subtle);
}

.glow-green {
  box-shadow: var(--shadow-glow-green);
}

.glow-blue {
  box-shadow: var(--shadow-glow-blue);
}

.glow-purple {
  box-shadow: var(--shadow-glow-purple);
}

.animate-in {
  animation: fadeInUp 0.6s var(--transition-base) both;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.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; }

/* Hex pattern background */
.hex-pattern {
  position: relative;
}

.hex-pattern::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(0, 255, 65, 0.04) 1px, transparent 0);
  background-size: 32px 32px;
  pointer-events: none;
  animation: hexPulse 8s ease-in-out infinite;
}