*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0b0d17;
  --bg-card: #131626;
  --bg-card-hover: #1a1e3a;
  --text: #e8eaf0;
  --text-muted: #9498b0;
  --accent: #22d3a0;
  --accent-glow: rgba(34, 211, 160, 0.15);
  --gradient-1: #22d3a0;
  --gradient-2: #3b82f6;
  --gradient-3: #8b5cf6;
  --border: #1e2340;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Navbar ─── */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(11, 13, 23, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
  font-size: 1.3rem;
}

.logo-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: var(--radius-xs);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.btn-nav {
  background: var(--accent) !important;
  color: #0b0d17 !important;
  font-weight: 600 !important;
}

.btn-nav:hover {
  background: #1abc8c !important;
  color: #0b0d17 !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ─── Hero ─── */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(34, 211, 160, 0.08), transparent),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(59, 130, 246, 0.06), transparent),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(139, 92, 246, 0.06), transparent);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  background: var(--accent-glow);
  border: 1px solid rgba(34, 211, 160, 0.25);
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 28px;
}

.hero-title {
  font-size: clamp(2.6rem, 7vw, 4.2rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--gradient-1), var(--gradient-2), var(--gradient-3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-subtitle strong {
  color: var(--text);
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  font-family: var(--font);
}

.btn-primary {
  background: var(--accent);
  color: #0b0d17;
}

.btn-primary:hover {
  background: #1abc8c;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(34, 211, 160, 0.3);
}

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

.btn-outline:hover {
  border-color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
}

.btn-lg {
  padding: 18px 44px;
  font-size: 1.1rem;
}

.hero-stats {
  display: flex;
  gap: 40px;
  justify-content: center;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.stat-plus {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* ─── Sections ─── */

.section {
  padding: 100px 0;
}

.section-dark {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  padding: 5px 14px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gradient-2);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* ─── Cards ─── */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: var(--transition);
}

.card:hover {
  border-color: rgba(34, 211, 160, 0.2);
  transform: translateY(-4px);
  background: var(--bg-card-hover);
}

.card-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* ─── Split ─── */

.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.split-content .section-title {
  margin-bottom: 20px;
}

.split-content p {
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 28px;
}

.liberty-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.liberty-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.liberty-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-glow);
  color: var(--accent);
  font-weight: 800;
  font-size: 0.85rem;
  flex-shrink: 0;
}

/* ─── Terminal ─── */

.terminal {
  background: #0a0e1a;
  border: 1px solid #1a1f30;
  border-radius: var(--radius-sm);
  overflow: hidden;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: #111625;
  border-bottom: 1px solid #1a1f30;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.terminal-title {
  margin-left: auto;
  color: var(--text-muted);
  font-size: 0.75rem;
}

.terminal-body {
  padding: 20px;
  line-height: 1.8;
  display: flex;
  flex-direction: column;
}

.prompt {
  color: var(--accent);
  margin-right: 6px;
}

.cmd {
  color: #c4c8d8;
}

.output {
  color: var(--text-muted);
  padding-left: 14px;
}

.blink {
  animation: flicker 1s steps(1) infinite;
  color: var(--accent);
}

@keyframes flicker {
  50% { opacity: 0; }
}

/* ─── Comparison ─── */

.comparison {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  align-items: center;
}

.compare-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 28px;
  transition: var(--transition);
}

.compare-card.bad:hover {
  border-color: rgba(239, 68, 68, 0.2);
}

.compare-card.good:hover {
  border-color: rgba(34, 211, 160, 0.2);
}

.compare-card h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 12px 0 16px;
}

.compare-icon {
  font-size: 2rem;
}

.compare-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.compare-card li {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding-left: 20px;
  position: relative;
}

.compare-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.compare-card.bad li::before {
  background: #ef4444;
}

.compare-card.good li::before {
  background: var(--accent);
}

.compare-vs {
  display: flex;
  align-items: center;
  justify-content: center;
}

.vs-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border);
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ─── Featured / Distros ─── */

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

.distro-showcase {
  text-align: center;
}

.distro-showcase h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.distro-showcase > p {
  color: var(--text-muted);
  margin-bottom: 40px;
}

.distro-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
}

.distro-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 24px 16px;
  text-align: center;
  transition: var(--transition);
  cursor: default;
}

.distro-card:hover {
  background: rgba(255, 255, 255, 0.05);
  transform: translateY(-3px);
}

.distro-logo {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.3rem;
  margin: 0 auto 14px;
  color: #fff;
}

.distro-logo.ubuntu { background: #e95420; }
.distro-logo.mint { background: #87cf3e; color: #1a1a2e; }
.distro-logo.lubuntu { background: #0068c8; }
.distro-logo.fedora { background: #294172; }
.distro-logo.debian { background: #a80030; }
.distro-logo.zorin { background: #0cc1f3; color: #1a1a2e; }

.distro-card h4 {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.distro-card span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ─── CTA ─── */

.section-cta {
  padding: 80px 0;
}

.cta-container {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.cta-container h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.cta-container p {
  color: var(--text-muted);
  margin-bottom: 32px;
}

/* ─── Footer ─── */

.footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand h3 {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
  font-weight: 700;
  margin-bottom: 14px;
  font-size: 0.95rem;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

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

.footer-contact p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 14px;
  line-height: 1.7;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* ─── Modal ─── */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
  padding: 24px;
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 640px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95) translateY(20px);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.open .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px 0;
}

.modal-header h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.6rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-xs);
  transition: var(--transition);
  line-height: 1;
}

.modal-close:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.modal-body {
  padding: 20px 28px 28px;
}

.modal-body > p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 20px;
  line-height: 1.7;
}

.form-container {
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  background: #fff;
  height: 600px;
}

.form-container iframe {
  display: block;
  height: 100%;
}

/* ─── Responsive ─── */

@media (max-width: 900px) {
  .split-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(11, 13, 23, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 16px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links a {
    width: 100%;
    padding: 14px 16px;
  }

  .hamburger {
    display: flex;
  }

  .hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .hamburger.open span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .section {
    padding: 64px 0;
  }

  .comparison {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .compare-vs {
    order: -1;
  }

  .hero-stats {
    gap: 24px;
  }

  .stat-number {
    font-size: 1.8rem;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .hero {
    min-height: auto;
    padding: 100px 0 60px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    text-align: center;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .distro-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 400px) {
  .distro-grid {
    grid-template-columns: 1fr;
  }
}