/* ============================================================
   DESIGN SYSTEM — Portfolio Developer
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&family=Fira+Code:wght@300;400;500&display=swap');

/* ── CSS Variables ──────────────────────────────────────── */
:root {
  /* Colors - Titanium Industrial Theme */
  --bg-primary:    #f2f2f2;
  --bg-secondary:  #e5e5e5;
  --bg-card:       #ffffff;
  --bg-glass:      rgba(255, 255, 255, 0.7);

  --accent-primary: #1a1a1a; /* Deep Slate / Black */
  --accent-secondary:#737373; /* Steel Gray */
  --accent-detail:  #a3a3a3; /* Light Steel */
  --accent-tech:    #2563eb; /* Precision Blue */

  --gradient-main:   linear-gradient(135deg, #1a1a1a, #404040);
  --gradient-hero:   linear-gradient(135deg, #1a1a1a 0%, #404040 100%);
  --gradient-card:   linear-gradient(145deg, rgba(0,0,0,0.02), rgba(0,0,0,0.05));
  --gradient-border: linear-gradient(135deg, #1a1a1a, #a3a3a3);

  --text-primary:   #171717;
  --text-secondary: #404040;
  --text-muted:     #737373;

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 5rem;
  --space-4xl: 8rem;

  /* Typography */
  --font-primary: 'Plus Jakarta Sans', sans-serif;
  --font-display: 'Outfit', sans-serif;
  --font-mono:    'Fira Code', monospace;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  2.25rem;
  --text-5xl:  3rem;
  --text-6xl:  3.75rem;
  --text-7xl:  4.5rem;

  /* Border Radius */
  --radius-sm:   0.375rem;
  --radius-md:   0.75rem;
  --radius-lg:   1rem;
  --radius-xl:   1.5rem;
  --radius-2xl:  2rem;
  --radius-full: 9999px;

  /* Shadows - Industrial Precision Shadows */
  --shadow-purple: 0 4px 15px rgba(0,0,0,0.1);
  --shadow-cyan:   0 4px 15px rgba(0,0,0,0.1);
  --shadow-glow:   0 10px 40px rgba(0,0,0,0.05);
  --shadow-card:   0 1px 3px rgba(0,0,0,0.1);
  --shadow-hover:  0 10px 30px rgba(0,0,0,0.1);

  /* Transitions */
  --transition-fast:   100ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   500ms ease;
  --transition-spring: 400ms cubic-bezier(0.05, 0.7, 0.1, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  overflow-x: hidden;
  cursor: none;
}

/* Hide default cursor everywhere */
*, *::before, *::after { cursor: none !important; }

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

ul, ol { list-style: none; }

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

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: none;
  transition: var(--transition-base);
}

input, textarea, select {
  font-family: inherit;
}

/* ── Custom Scrollbar ───────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb {
  background: var(--accent-primary);
  border-radius: 0;
}
::-webkit-scrollbar-thumb:hover { background: var(--accent-secondary); }

/* ── Utility Classes ────────────────────────────────────── */
.container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.section {
  padding: var(--space-4xl) 0;
  position: relative;
  border-top: 1px solid rgba(0,0,0,0.05);
}

.section-header {
  text-align: left;
  margin-bottom: var(--space-3xl);
  max-width: 800px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-primary);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  padding: 2px 8px;
  border-left: 2px solid var(--accent-primary);
  background: none;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(var(--text-3xl), 6vw, var(--text-6xl));
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.02em;
}

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

.section-subtitle {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0;
}

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

/* ── Grid Layouts ───────────────────────────────────────── */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2xl);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

/* ── Noise Texture Overlay ──────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  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='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.02'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: var(--z-overlay);
  opacity: 1;
}

/* ── Remove Orbs ────────────────────────────────────────── */
.orb { display: none; }


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

@media (max-width: 768px) {
  .container { padding: 0 var(--space-lg); }
  .section { padding: var(--space-3xl) 0; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  body { cursor: auto; }
  *, *::before, *::after { cursor: auto !important; }
}

@media (max-width: 480px) {
  .grid-4 { grid-template-columns: 1fr; }
}