:root {
  --bg: #07111f;
  --bg-soft: #0b1728;
  --panel: rgba(255, 255, 255, 0.075);
  --panel-strong: rgba(255, 255, 255, 0.12);
  --text: #eef6ff;
  --muted: #a9b9c9;
  --accent: #2dd4bf;
  --accent-2: #38bdf8;
  --warning: #fbbf24;
  --border: rgba(255, 255, 255, 0.15);
  --shadow: 0 25px 70px rgba(0, 0, 0, 0.35);
  --radius: 24px;
  --max: 1180px;
}

* {
  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:
    radial-gradient(circle at top left, rgba(45, 212, 191, 0.25), transparent 34rem),
    radial-gradient(circle at top right, rgba(56, 189, 248, 0.18), transparent 32rem),
    linear-gradient(180deg, #07111f 0%, #0a1422 45%, #07111f 100%);
  color: var(--text);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(7, 17, 31, 0.74);
  border-bottom: 1px solid var(--border);
}

.navbar {
  max-width: var(--max);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand img {
  width: 42px;
  height: 42px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px 0;
  background: var(--text);
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 6rem 1.25rem;
}

.hero {
  min-height: 85vh;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 3rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 900;
}

h1, h2, h3 {
  line-height: 1.05;
  margin: 0;
  letter-spacing: -0.04em;
}

h1 {
  font-size: clamp(2.8rem, 7vw, 5.9rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.7rem);
  margin-bottom: 1rem;
}

h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.hero-text {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.16rem;
  margin: 1.35rem 0 2rem;
}

.hero-actions, .doc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.15rem;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.2s ease, border 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #04111f;
}

.btn-secondary {
  border: 1px solid var(--border);
  background: var(--panel);
}

.status-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 2rem;
}

.status-strip span {
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.05);
  font-size: 0.85rem;
}

.hero-card {
  position: relative;
  padding: 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.11), rgba(255,255,255,0.045));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-glow {
  position: absolute;
  inset: -7rem -8rem auto auto;
  width: 18rem;
  height: 18rem;
  border-radius: 50%;
  background: rgba(45, 212, 191, 0.2);
  filter: blur(30px);
}

.window-bar {
  position: relative;
  display: flex;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.window-bar span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--panel-strong);
}

.hero-card pre,
.code-card pre {
  position: relative;
  margin: 0;
  overflow-x: auto;
  color: #d7f8ff;
  font-size: 0.9rem;
  line-height: 1.55;
}

.split {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3rem;
  align-items: start;
}

.split p,
.architecture p {
  color: var(--muted);
  font-size: 1.05rem;
}

.feature-grid,
.cards-3,
.install-grid {
  display: grid;
  gap: 1rem;
}

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

.cards-3,
.install-grid {
  grid-template-columns: repeat(3, 1fr);
}

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

.feature-card,
.info-card,
.code-card {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 1.4rem;
  box-shadow: 0 14px 42px rgba(0, 0, 0, 0.15);
}

.feature-icon {
  display: inline-flex;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  font-weight: 900;
  color: #04111f;
  background: var(--accent);
}

.info-card p,
.feature-card p {
  color: var(--muted);
  margin-bottom: 0;
}

.architecture {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 3rem;
  align-items: center;
}

.diagram {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius);
  padding: 2rem;
  text-align: center;
}

.node,
.stack div {
  padding: 1rem;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 18px;
  font-weight: 900;
}

.node small {
  color: var(--muted);
  font-weight: 700;
}

.arrow {
  color: var(--accent);
  font-size: 1.8rem;
  margin: 0.35rem 0;
}

.stack {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 0.7rem;
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.check-grid div {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 18px;
  padding: 1rem;
  font-weight: 800;
}

.check-grid div::before {
  content: "✓";
  color: var(--accent);
  margin-right: 0.6rem;
}

.code-card {
  padding: 0;
  overflow: hidden;
}

.code-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.2rem 1.2rem 0.5rem;
}

.code-card pre {
  padding: 1.2rem;
}

.copy-btn {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.45rem 0.7rem;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  cursor: pointer;
  font-weight: 800;
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

.timeline {
  display: grid;
  gap: 1rem;
  margin: 2rem 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 1rem;
  align-items: center;
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: 18px;
  padding: 1rem;
}

.timeline-item span {
  color: var(--accent);
  font-weight: 900;
}

.timeline-item p {
  margin: 0;
  color: var(--muted);
}

.footer {
  padding: 2rem 1.25rem;
  text-align: center;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

.footer p {
  margin: 0.25rem 0;
}

@media (max-width: 920px) {
  .hero,
  .split,
  .architecture {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .cards-3,
  .install-grid,
  .check-grid,
  .stack {
    grid-template-columns: 1fr;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 74px;
    left: 1rem;
    right: 1rem;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: rgba(7, 17, 31, 0.96);
  }

  .nav-links.open {
    display: flex;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }
}