======================================================================
   novasoftstackmeta.com - Main Stylesheet
   Luxury Tech / Minimalist / Computer Science Aesthetic
   ========================================================================== */

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

:root {
  /* Color System - Deep Tech Palette */
  --color-bg-primary: #0a0a0f;
  --color-bg-secondary: #0f1018;
  --color-bg-tertiary: #14151f;
  --color-bg-elevated: #1a1b2a;
  --color-bg-glass: rgba(20, 21, 31, 0.65);
  --color-bg-overlay: rgba(10, 10, 15, 0.85);

  --color-surface: #1e2030;
  --color-surface-hover: #252840;
  --color-border: rgba(120, 130, 200, 0.12);
  --color-border-hover: rgba(140, 150, 220, 0.3);
  --color-border-strong: rgba(160, 170, 240, 0.45);

  --color-text-primary: #f5f6ff;
  --color-text-secondary: #b4b8d4;
  --color-text-tertiary: #7d83a8;
  --color-text-muted: #5a5f7d;

  --color-accent: #6366f1;
  --color-accent-bright: #818cf8;
  --color-accent-dim: #4f46e5;
  --color-cyan: #22d3ee;
  --color-cyan-bright: #67e8f9;
  --color-purple: #a855f7;
  --color-purple-bright: #c084fc;
  --color-pink: #ec4899;
  --color-gold: #d4af37;
  --color-gold-bright: #f0c850;
  --color-silver: #c0c5dd;
  --color-success: #10b981;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;

  --gradient-primary: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
  --gradient-cool: linear-gradient(135deg, #22d3ee 0%, #6366f1 100%);
  --gradient-warm: linear-gradient(135deg, #f59e0b 0%, #ec4899 100%);
  --gradient-luxury: linear-gradient(135deg, #d4af37 0%, #f0c850 50%, #d4af37 100%);
  --gradient-aurora: linear-gradient(135deg, #22d3ee 0%, #6366f1 35%, #a855f7 70%, #ec4899 100%);
  --gradient-mesh: radial-gradient(at 20% 20%, rgba(99, 102, 241, 0.18) 0px, transparent 50%),
                   radial-gradient(at 80% 0%, rgba(168, 85, 247, 0.15) 0px, transparent 50%),
                   radial-gradient(at 0% 70%, rgba(34, 211, 238, 0.12) 0px, transparent 50%),
                   radial-gradient(at 80% 80%, rgba(236, 72, 153, 0.1) 0px, transparent 50%);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Menlo, Consolas, monospace;
  --font-display: 'Inter', -apple-system, sans-serif;

  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 2rem;
  --fs-3xl: 2.5rem;
  --fs-4xl: 3.5rem;
  --fs-5xl: 5rem;
  --fs-6xl: 7rem;

  --fw-light: 300;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-black: 900;

  --lh-tight: 1.1;
  --lh-snug: 1.3;
  --lh-normal: 1.5;
  --lh-relaxed: 1.7;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;
  --space-12: 6rem;
  --space-16: 8rem;
  --space-20: 10rem;

  /* Layout */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1200px;
  --container-2xl: 1400px;

  /* Effects */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-2xl: 28px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.35);
  --shadow-glow-cyan: 0 0 40px rgba(34, 211, 238, 0.3);
  --shadow-glow-purple: 0 0 40px rgba(168, 85, 247, 0.3);

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 600ms cubic-bezier(0.34, 1.56, 0.64, 1);

  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal: 400;
  --z-popover: 500;
  --z-tooltip: 600;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  background-image: var(--gradient-mesh);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* Global background grid effect */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 80%);
}

body::after {
  content: '';
  position: fixed;
  top: -10%;
  right: -10%;
  width: 50%;
  height: 50%;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.12) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
  filter: blur(80px);
}

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

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

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

ul, ol {
  list-style: none;
}

input, textarea, select {
  font: inherit;
  color: inherit;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

h1 { font-size: clamp(2.5rem, 6vw, var(--fs-6xl)); font-weight: var(--fw-black); letter-spacing: -0.04em; }
h2 { font-size: clamp(2rem, 4.5vw, var(--fs-4xl)); font-weight: var(--fw-bold); }
h3 { font-size: clamp(1.5rem, 3vw, var(--fs-2xl)); font-weight: var(--fw-semibold); }
h4 { font-size: var(--fs-xl); font-weight: var(--fw-semibold); }
h5 { font-size: var(--fs-lg); font-weight: var(--fw-semibold); }
h6 { font-size: var(--fs-md); font-weight: var(--fw-medium); }

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

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: inline-block;
}

.gradient-text-aurora {
  background: var(--gradient-aurora);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: inline-block;
}

.gradient-text-luxury {
  background: var(--gradient-luxury);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  display: inline-block;
}

.mono {
  font-family: var(--font-mono);
  letter-spacing: 0;
}

.text-mono {
  font-family: var(--font-mono);
  font-size: 0.95em;
  letter-spacing: -0.01em;
}

.text-glow {
  text-shadow: 0 0 30px rgba(99, 102, 241, 0.5);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-cyan-bright);
  padding: var(--space-2) var(--space-4);
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.2);
  border-radius: var(--radius-full);
  position: relative;
  overflow: hidden;
}

.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-cyan);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--color-cyan);
  animation: pulse 2s ease-in-out infinite;
}

.eyebrow-gold {
  color: var(--color-gold-bright);
  background: rgba(212, 175, 55, 0.08);
  border-color: rgba(212, 175, 55, 0.25);
}

.eyebrow-gold::before {
  background: var(--color-gold);
  box-shadow: 0 0 12px var(--color-gold);
}

.eyebrow-purple {
  color: var(--color-purple-bright);
  background: rgba(168, 85, 247, 0.08);
  border-color: rgba(168, 85, 247, 0.25);
}

.eyebrow-purple::before {
  background: var(--color-purple);
  box-shadow: 0 0 12px var(--color-purple);
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
  position: relative;
  z-index: var(--z-base);
}

.container-wide {
  max-width: var(--container-2xl);
}

.container-narrow {
  max-width: var(--container-md);
}

section {
  position: relative;
  padding: var(--space-20) 0;
  z-index: var(--z-base);
}

.section-sm { padding: var(--space-12) 0; }
.section-lg { padding: var(--space-20) 0; }

@media (max-width: 768px) {
  section { padding: var(--space-12) 0; }
  .section-lg { padding: var(--space-16) 0; }
}

.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-auto-sm { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid-auto-lg { grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); }

@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

@media (min-width: 900px) and (max-width: 1200px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ---------- Header / Navigation ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  padding: var(--space-4) 0;
  transition: all var(--transition-base);
  background: rgba(10, 10, 15, 0.4);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border-bottom: 1px solid transparent;
}

.site-header.scrolled {
  background: rgba(10, 10, 15, 0.85);
  border-bottom-color: var(--color-border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--fs-md);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.02em;
  color: var(--color-text-primary);
  position: relative;
}

.nav-brand .logo-mark {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  transition: transform var(--transition-spring);
}

.nav-brand:hover .logo-mark {
  transform: rotate(15deg) scale(1.05);
}

.nav-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.nav-brand-text .brand-name {
  font-size: var(--fs-md);
  font-weight: var(--fw-bold);
  background: var(--gradient-cool);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-brand-text .brand-domain {
  font-size: var(--fs-xs);
  color: var(--color-text-tertiary);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-link {
  position: relative;
  padding: var(--space-3) var(--space-4);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link::before {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 20px;
  height: 2px;
  background: var(--gradient-cool);
  border-radius: var(--radius-full);
  transition: transform var(--transition-base);
}

.nav-link:hover, .nav-link.active {
  color: var(--color-text-primary);
  background: rgba(99, 102, 241, 0.08);
}

.nav-link:hover::before, .nav-link.active::before {
  transform: translateX(-50%) scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  transition: all var(--transition-fast);
}

.nav-toggle:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-border-hover);
}

.nav-toggle svg {
  width: 20px;
  height: 20px;
}

@media (max-width: 1024px) {
  .nav-menu {
    position: fixed;
    top: 76px;
    right: var(--space-4);
    left: var(--space-4);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-4);
    background: rgba(15, 16, 24, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    transform: translateY(-20px);
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-link {
    padding: var(--space-4);
    text-align: left;
  }

  .nav-toggle {
    display: flex;
  }
}

/* ---------- Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.01em;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
  overflow: hidden;
  isolation: isolate;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-cool);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}

.btn-primary {
  background: var(--gradient-cool);
  color: white;
  border: 1px solid transparent;
  box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(99, 102, 241, 0.5);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-secondary {
  background: rgba(99, 102, 241, 0.08);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-hover);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

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

.btn-ghost:hover {
  color: var(--color-text-primary);
  border-color: var(--color-border-strong);
  background: rgba(99, 102, 241, 0.06);
}

.btn-luxury {
  background: var(--gradient-luxury);
  color: #0a0a0f;
  border: 1px solid transparent;
  font-weight: var(--fw-bold);
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.3);
}

.btn-luxury:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(212, 175, 55, 0.5);
}

.btn-lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--fs-base);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--fs-xs);
}

.btn-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.btn:hover .btn-icon {
  transform: translateX(3px);
}

/* ---------- Cards ---------- */
.card {
  position: relative;
  padding: var(--space-6);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-base);
  overflow: hidden;
  isolation: isolate;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--transition-base);
  z-index: -1;
}

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

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

.card-glass {
  background: var(--color-bg-glass);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.card-elevated {
  background: linear-gradient(180deg, var(--color-bg-elevated) 0%, var(--color-bg-tertiary) 100%);
  box-shadow: var(--shadow-md);
}

.card-luxury {
  position: relative;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.04) 0%, var(--color-bg-elevated) 50%);
  border: 1px solid rgba(212, 175, 55, 0.2);
}

.card-luxury::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gradient-luxury);
  opacity: 0.5;
}

.card-feature {
  padding: var(--space-8);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, transparent 50%), var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  transition: all var(--transition-spring);
  position: relative;
  overflow: hidden;
}

.card-feature::after {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.card-feature:hover {
  transform: translateY(-6px);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: var(--shadow-xl), 0 0 40px rgba(99, 102, 241, 0.15);
}

.card-feature:hover::after {
  opacity: 1;
}

/* ---------- Hero Section ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--space-32) 0 var(--space-20);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(99, 102, 241, 0.18) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(168, 85, 247, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(34, 211, 238, 0.08) 0%, transparent 70%);
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.06) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero-orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  border: 1px solid rgba(99, 102, 241, 0.1);
  border-radius: 50%;
  pointer-events: none;
}

.hero-orbit::before, .hero-orbit::after {
  content: '';
  position: absolute;
  inset: 100px;
  border: 1px solid rgba(168, 85, 247, 0.08);
  border-radius: 50%;
}

.hero-orbit::after {
  inset: 200px;
  border-color: rgba(34, 211, 238, 0.06);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1100px;
}

.hero-pretitle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--color-cyan-bright);
  margin-bottom: var(--space-6);
  padding: var(--space-2) var(--space-4);
  background: rgba(34, 211, 238, 0.05);
  border: 1px solid rgba(34, 211, 238, 0.15);
  border-radius: var(--radius-full);
}

.hero-pretitle .dot {
  width: 8px;
  height: 8px;
  background: var(--color-cyan);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--color-cyan);
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  font-size: clamp(1.875rem, 4.5vw, 3.5rem);
  font-weight: var(--fw-bold);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-6);
}

.hero-title .line {
  display: block;
  overflow: hidden;
}

.hero-title .word {
  display: inline-block;
}

.hero-subtitle {
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-8);
  max-width: 700px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-6);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.stat-item {
  position: relative;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: var(--fw-bold);
  background: var(--gradient-cool);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.1;
}

.stat-label {
  font-size: var(--fs-sm);
  color: var(--color-text-tertiary);
  margin-top: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ---------- Sections ---------- */
.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-16);
}

.section-header.left {
  text-align: left;
  margin-left: 0;
}

.section-header .eyebrow {
  margin-bottom: var(--space-5);
}

.section-title {
  font-size: clamp(2rem, 5vw, var(--fs-4xl));
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-5);
  line-height: 1.1;
}

.section-description {
  font-size: var(--fs-md);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
  max-width: 700px;
  margin: 0 auto;
}

.section-header.left .section-description {
  margin: 0;
}

/* ---------- Code Block ---------- */
.code-block {
  position: relative;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  overflow-x: auto;
  line-height: 1.7;
}

.code-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 36px;
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.code-block::after {
  content: '● ● ●';
  position: absolute;
  top: 8px;
  left: 16px;
  color: var(--color-text-muted);
  font-size: var(--fs-base);
  letter-spacing: 4px;
}

.code-block pre {
  margin-top: var(--space-6);
  color: var(--color-text-secondary);
}

.code-block .keyword { color: var(--color-purple-bright); }
.code-block .function { color: var(--color-cyan-bright); }
.code-block .string { color: var(--color-success); }
.code-block .number { color: var(--color-gold-bright); }
.code-block .comment { color: var(--color-text-muted); font-style: italic; }
.code-block .variable { color: var(--color-pink); }

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--space-16) 0 var(--space-8);
  margin-top: var(--space-20);
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(99, 102, 241, 0.4), rgba(168, 85, 247, 0.4), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand {
  max-width: 360px;
}

.footer-brand .nav-brand {
  margin-bottom: var(--space-4);
}

.footer-description {
  color: var(--color-text-tertiary);
  font-size: var(--fs-sm);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--space-5);
}

.footer-socials {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  transition: all var(--transition-base);
}

.social-link:hover {
  color: var(--color-text-primary);
  background: var(--color-surface-hover);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.social-link svg {
  width: 18px;
  height: 18px;
}

.footer-column h4 {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-links a {
  color: var(--color-text-tertiary);
  font-size: var(--fs-sm);
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

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

.footer-links a::before {
  content: '→';
  opacity: 0;
  transform: translateX(-4px);
  transition: all var(--transition-fast);
  color: var(--color-cyan);
}

.footer-links a:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.footer-bottom {
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.footer-copyright {
  font-size: var(--fs-sm);
  color: var(--color-text-tertiary);
  font-family: var(--font-mono);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5);
}

.footer-legal a {
  font-size: var(--fs-sm);
  color: var(--color-text-tertiary);
  transition: color var(--transition-fast);
}

.footer-legal a:hover {
  color: var(--color-cyan-bright);
}

/* ---------- Forms ---------- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
}

.form-label {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--fs-sm);
  transition: all var(--transition-fast);
  font-family: inherit;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--color-accent);
  background: var(--color-bg-tertiary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.form-textarea {
  min-height: 140px;
  resize: vertical;
}

.form-input::placeholder, .form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-help {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}

.form-error {
  font-size: var(--fs-xs);
  color: var(--color-danger);
  display: none;
}

.form-error.show {
  display: block;
}

/* ---------- Utilities ---------- */
.divider {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-8) 0;
}

.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.divider-text {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
  border-radius: var(--radius-sm);
  background: rgba(99, 102, 241, 0.1);
  color: var(--color-accent-bright);
  border: 1px solid rgba(99, 102, 241, 0.2);
}

.badge-gold {
  background: rgba(212, 175, 55, 0.1);
  color: var(--color-gold-bright);
  border-color: rgba(212, 175, 55, 0.3);
}

.badge-cyan {
  background: rgba(34, 211, 238, 0.1);
  color: var(--color-cyan-bright);
  border-color: rgba(34, 211, 238, 0.3);
}

.badge-success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
  border-color: rgba(16, 185, 129, 0.3);
}

.badge-purple {
  background: rgba(168, 85, 247, 0.1);
  color: var(--color-purple-bright);
  border-color: rgba(168, 85, 247, 0.3);
}

.kbd {
  display: inline-block;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--color-text-secondary);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 0 var(--color-border);
}

.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-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.full-width { width: 100%; }

.relative { position: relative; }
.absolute { position: absolute; }
.overflow-hidden { overflow: hidden; }