/* =============================================
   LINUX KERNEL - Main Stylesheet
   Dark Mode | Modern Design
   ============================================= */

:root {
  --bg-primary: #05050a;
  --bg-secondary: #0a0d18;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.07);
  --border-accent: rgba(0, 212, 255, 0.25);
  --accent-cyan: #00d4ff;
  --accent-purple: #7c3aed;
  --accent-green: #00ff88;
  --accent-orange: #ff6b35;
  --accent-pink: #f472b6;
  --text-primary: #f0f4ff;
  --text-secondary: #94a3b8;
  --text-muted: #475569;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;
  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
  --shadow-glow-cyan: 0 0 40px rgba(0, 212, 255, 0.15);
  --shadow-glow-purple: 0 0 40px rgba(124, 58, 237, 0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ── Background ───────────────────────────── */
.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(0, 212, 255, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 110%, rgba(124, 58, 237, 0.08) 0%, transparent 60%),
    var(--bg-primary);
}
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 50px 50px;
}

/* ── Navigation ───────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 24px;
  height: 72px;
  background: rgba(5, 5, 10, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(5, 5, 10, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.logo-tux { font-size: 1.5rem; line-height: 1; }
.logo-text { color: var(--text-primary); }
.logo-dot { color: var(--accent-cyan); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  position: relative;
}
.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: rgba(255,255,255,0.07);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--accent-cyan);
  border-radius: 2px;
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ── Hero Sections ────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}
.hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-content { z-index: 1; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--border-accent);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  background: rgba(0, 212, 255, 0.07);
  margin-bottom: 24px;
}
.hero-eyebrow-dot {
  width: 6px; height: 6px;
  background: var(--accent-cyan);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.gradient-text {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, var(--accent-purple) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gradient-text-green {
  background: linear-gradient(135deg, var(--accent-green) 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.gradient-text-warm {
  background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-pink) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.8;
}
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ── Buttons ──────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  color: #fff;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.4);
}
.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-2px);
}

/* ── Terminal Window ──────────────────────── */
.terminal {
  background: #0d0f1a;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow), var(--shadow-glow-cyan);
  font-family: var(--font-mono);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid var(--border);
}
.terminal-btn {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.terminal-btn.red   { background: #ff5f57; }
.terminal-btn.amber { background: #febc2e; }
.terminal-btn.green { background: #28c840; }
.terminal-title {
  margin-left: 8px;
  font-size: 0.78rem;
  color: var(--text-muted);
  flex: 1;
  text-align: center;
}
.terminal-body {
  padding: 24px;
  min-height: 300px;
}
.terminal-line {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-bottom: 8px;
  font-size: 0.875rem;
  line-height: 1.6;
  opacity: 0;
  animation: fadeIn 0.3s forwards;
}
@keyframes fadeIn { to { opacity: 1; } }
.terminal-prompt { color: var(--accent-green); white-space: nowrap; }
.terminal-cmd    { color: var(--text-primary); }
.terminal-out    { color: var(--text-secondary); }
.terminal-cyan   { color: var(--accent-cyan); }
.terminal-cursor {
  display: inline-block;
  width: 9px;
  height: 1.1em;
  background: var(--accent-cyan);
  margin-left: 2px;
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }

/* ── Section Layout ───────────────────────── */
section { padding: 100px 24px; }
.section-container { max-width: 1200px; margin: 0 auto; }
.section-eyebrow {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 20px;
}
.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.8;
  margin-bottom: 60px;
}

/* ── Feature Grid ─────────────────────────── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--card-accent, var(--accent-cyan)), transparent);
  opacity: 0;
  transition: var(--transition);
}
.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-cyan);
}
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  font-size: 2.2rem;
  margin-bottom: 20px;
  display: block;
}
.feature-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.feature-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ── Stats ────────────────────────────────── */
.stats-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 80px 24px;
}
.stats-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.stat-item { text-align: center; }
.stat-num {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}
.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ── Page Cards ───────────────────────────── */
.page-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.page-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.page-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--card-accent2, var(--accent-purple)), transparent);
}
.page-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(255,255,255,0.1);
}
.page-card-icon { font-size: 2.5rem; margin-bottom: 20px; }
.page-card-title {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.page-card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}
.page-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-cyan);
  transition: var(--transition);
}
.page-card-link:hover { gap: 12px; }
.page-card-link svg { width: 16px; height: 16px; }

/* ── Kernel Architecture ──────────────────── */
.kernel-arch {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 700px;
  margin: 0 auto;
}
.arch-layer {
  padding: 22px 32px;
  border-radius: 0;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
}
.arch-layer:first-child { border-radius: 14px 14px 0 0; }
.arch-layer:last-child  { border-radius: 0 0 14px 14px; }
.arch-layer:hover { background: var(--bg-card-hover); z-index: 1; }
.arch-layer-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.arch-layer-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.arch-layer-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
}
.arch-layer.user-apps  { background: rgba(0, 212, 255, 0.08); border-color: rgba(0, 212, 255, 0.2); }
.arch-layer.syscall    { background: rgba(0, 255, 136, 0.06); border-color: rgba(0, 255, 136, 0.2); }
.arch-layer.kernel-core{ background: rgba(124, 58, 237, 0.1); border-color: rgba(124, 58, 237, 0.3); }
.arch-layer.hardware   { background: rgba(255, 107, 53, 0.08); border-color: rgba(255, 107, 53, 0.2); }
.arch-arrow {
  text-align: center;
  font-size: 1.4rem;
  color: var(--text-muted);
  line-height: 1.2;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  padding: 4px;
}

/* ── Kernel Subsystems ────────────────────── */
.subsystems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.subsystem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
  border-left: 3px solid var(--card-accent, var(--accent-cyan));
}
.subsystem-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-cyan);
}
.subsystem-icon { font-size: 1.8rem; margin-bottom: 14px; }
.subsystem-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.subsystem-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ── Distro Cards ─────────────────────────── */
.distros-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.distro-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
.distro-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255,255,255,0.12);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.distro-badge {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.2rem;
  flex-shrink: 0;
  letter-spacing: -0.02em;
}
.distro-rank {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 800;
  background: rgba(255,255,255,0.08);
  color: var(--text-muted);
  margin-bottom: 8px;
}
.distro-name {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}
.distro-tagline {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 10px;
}
.distro-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
}
.distro-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}
.distro-tag {
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--text-secondary);
}

/* ── Comparison Table ─────────────────────── */
.comparison-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.925rem;
}
.comparison-table th {
  padding: 20px 24px;
  text-align: left;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--border);
}
.comparison-table th:first-child { color: var(--text-muted); }
.comparison-table th.linux-col  { color: var(--accent-cyan); }
.comparison-table th.windows-col{ color: #0078d4; }
.comparison-table th.mac-col    { color: #a8a8a8; }
.comparison-table td {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
  transition: var(--transition);
}
.comparison-table tr:last-child td { border-bottom: none; }
.comparison-table tr:hover td { background: rgba(255,255,255,0.02); }
.comparison-table td:first-child {
  font-weight: 600;
  color: var(--text-secondary);
  font-size: 0.875rem;
}
.comparison-table td.linux-col { background: rgba(0, 212, 255, 0.03); }
.check { color: var(--accent-green); font-size: 1.1rem; }
.cross { color: #ef4444; font-size: 1.1rem; }
.partial { color: var(--accent-orange); font-size: 0.85rem; font-weight: 600; }

/* ── Use Cases ────────────────────────────── */
.usecase-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.usecase-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
}
.usecase-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-glow-cyan);
}
.usecase-icon { font-size: 2rem; margin-bottom: 14px; }
.usecase-title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.usecase-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── VS Blocks ────────────────────────────── */
.vs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.vs-block {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
}
.vs-block-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}
.vs-os-icon { font-size: 2rem; }
.vs-os-name {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.vs-os-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 2px;
}
.vs-points { display: flex; flex-direction: column; gap: 14px; }
.vs-point {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.vs-point-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 1px;
}
.vs-point-text { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.6; }
.vs-point-text strong { color: var(--text-primary); }

/* ── Footer ───────────────────────────────── */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 60px 24px 40px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.footer-brand .nav-logo { margin-bottom: 14px; display: flex; }
.footer-tagline {
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 240px;
  line-height: 1.6;
}
.footer-links h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
}
.footer-links ul { display: flex; flex-direction: column; gap: 8px; }
.footer-links a {
  font-size: 0.9rem;
  color: var(--text-secondary);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--accent-cyan); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.footer-kernel-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent-green);
  background: rgba(0, 255, 136, 0.06);
  border: 1px solid rgba(0, 255, 136, 0.15);
  padding: 4px 12px;
  border-radius: 100px;
}

/* ── Scroll Reveal ────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s 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; }

/* ── Divider ──────────────────────────────── */
.divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-purple));
  border-radius: 3px;
  margin-bottom: 20px;
}

/* ── Responsive ───────────────────────────── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .page-cards { grid-template-columns: 1fr; }
  .vs-grid { grid-template-columns: 1fr; }
  .distros-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .distros-grid { grid-template-columns: 1fr; }
  section { padding: 70px 20px; }
  .hero { padding: 100px 20px 60px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 72px;
    left: 0; right: 0;
    background: rgba(5,5,10,0.97);
    padding: 20px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
  }
  .nav-toggle { display: flex; }
}