:root {
  --bg: #0f172a;
  --panel: #07111f;
  --panel-2: #0b1528;
  --text: #f8fafc;
  --muted: #64748b;
  --line: rgba(148, 163, 184, 0.18);
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-2: #38bdf8;
  --green: #22c55e;
  --light-bg: #f8fafc;
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

a {
  color: inherit;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

/* Header */

.site-header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 20;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-inner {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-size: 1.35rem;
  font-weight: 800;
}

.brand img {
  width: 38px;
  height: 38px;
}

.brand span span {
  color: var(--blue-2);
}

.nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav a {
  text-decoration: none;
  color: #dbeafe;
  font-weight: 600;
  font-size: 0.95rem;
}

.nav .nav-button {
  border: 1px solid rgba(255, 255, 255, 0.35);
  padding: 10px 16px;
  border-radius: 10px;
}

/* Hero */

.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(15, 23, 42, 0.97) 0%, rgba(15, 23, 42, 0.82) 38%, rgba(15, 23, 42, 0.45) 65%, rgba(15, 23, 42, 0.25) 100%),
    url("../images/hero-server-racks.jpg");
  background-size: cover;
  background-position: center right;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.hero h1 {
  font-size: clamp(2.6rem, 5.5vw, 4.5rem);
  line-height: 1.05;
  margin: 0 0 24px;
  letter-spacing: -0.04em;
  font-weight: 800;
}

.hero h1 span {
  color: var(--blue);
}

.hero h1 .accent-2 {
  color: var(--blue-2);
}

.hero p {
  color: #cbd5e1;
  font-size: 1.15rem;
  line-height: 1.75;
  max-width: 580px;
  margin: 0;
}

.actions {
  display: flex;
  gap: 16px;
  margin-top: 34px;
  flex-wrap: wrap;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 12px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
}

.button.primary {
  background: var(--blue);
  color: white;
  box-shadow: 0 12px 32px rgba(37, 99, 235, 0.35);
}

.button.primary:hover {
  background: var(--blue-dark);
}

.button.secondary {
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: white;
}

/* Features band */

.features-band {
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding: 48px 0;
}

.features-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
}

.feature-item {
  text-align: center;
}

.feature-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  color: var(--blue);
}

.feature-icon svg {
  width: 100%;
  height: 100%;
}

.feature-item h3 {
  margin: 0 0 8px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

.feature-item p {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--muted);
}

/* Stats band */

.stats-band {
  background: var(--light-bg);
  color: #0f172a;
  padding: 40px 0;
  border-top: 1px solid #e2e8f0;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1.2fr 1.4fr 1fr;
  gap: 32px;
  align-items: center;
}

.install-snippet {
  background: #0f172a;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.15);
}

.install-snippet pre {
  margin: 0;
  padding: 20px 22px;
  overflow-x: auto;
  font-size: 0.88rem;
  line-height: 1.6;
  font-family: "SF Mono", "Fira Code", "Cascadia Code", Consolas, monospace;
}

.install-snippet code {
  color: #e2e8f0;
}

.install-snippet .prompt {
  color: var(--blue-2);
}

.install-snippet .comment {
  color: #64748b;
}

.stat-items {
  display: flex;
  justify-content: center;
  gap: 36px;
}

.stat {
  display: flex;
  align-items: center;
  gap: 12px;
}

.stat-icon {
  width: 36px;
  height: 36px;
  color: var(--blue);
  flex-shrink: 0;
}

.stat-icon svg {
  width: 100%;
  height: 100%;
}

.stat strong {
  display: block;
  font-size: 1.1rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.02em;
}

.stat span {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.opensource-box {
  display: flex;
  align-items: center;
  gap: 14px;
  background: #e2e8f0;
  border-radius: 14px;
  padding: 18px 20px;
}

.github-icon {
  width: 32px;
  height: 32px;
  color: #0f172a;
  flex-shrink: 0;
}

.opensource-box strong {
  display: block;
  font-size: 0.95rem;
  color: #0f172a;
}

.opensource-box p {
  margin: 4px 0 0;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.4;
}

/* Sections */

.section {
  padding: 88px 0;
}

.section.alt {
  background: #050b16;
}

.section-title {
  max-width: 780px;
  margin-bottom: 40px;
}

.section-title h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin: 0 0 14px;
  letter-spacing: -0.04em;
}

.section-title p {
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.7;
  margin: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feature {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
}

.icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(37, 99, 235, 0.16);
  border: 1px solid rgba(56, 189, 248, 0.22);
  color: var(--blue-2);
  font-size: 1.35rem;
  margin-bottom: 18px;
}

.feature h3 {
  margin: 0 0 10px;
  font-size: 1.25rem;
}

.feature p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.install-box {
  background: #020617;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.install-header {
  padding: 16px 20px;
  background: #0b1528;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

pre {
  margin: 0;
  padding: 28px 20px;
  overflow-x: auto;
  color: #86efac;
  font-size: 1rem;
}

.hardware-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}

.hardware {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 14px;
  padding: 18px;
  color: #dbeafe;
  text-align: center;
  font-weight: 700;
}

.cta-panel {
  background:
    radial-gradient(circle at 20% 20%, rgba(56, 189, 248, 0.2), transparent 40%),
    linear-gradient(135deg, #0b1528, #06101f);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.cta-panel h2 {
  margin: 0 0 10px;
  font-size: 2.4rem;
  letter-spacing: -0.04em;
}

.cta-panel p {
  margin: 0;
  color: var(--muted);
}

.site-footer {
  padding: 34px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

/* Responsive */

@media (max-width: 1100px) {
  .features-row {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px 24px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .stat-items {
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}

@media (max-width: 900px) {
  .nav {
    display: none;
  }

  .hero {
    min-height: 85vh;
    padding-top: 100px;
  }

  .hero-bg {
    background:
      linear-gradient(180deg, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.88) 50%, rgba(15, 23, 42, 0.75) 100%),
      url("../images/hero-server-racks.jpg");
    background-size: cover;
    background-position: center;
  }

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

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

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

  .cta-panel {
    display: block;
  }

  .cta-panel .actions {
    margin-top: 24px;
  }
}

@media (max-width: 520px) {
  .features-row {
    grid-template-columns: 1fr;
  }

  .stat-items {
    flex-direction: column;
    gap: 20px;
  }
}