:root {
  --bg: #0a0e14;
  --bg-elevated: #121820;
  --bg-card: #161d27;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #3dd68c;
  --accent-dim: rgba(61, 214, 140, 0.15);
  --accent-glow: rgba(61, 214, 140, 0.35);
  --terminal-bg: #0d1117;
  --terminal-green: #7ee787;
  --terminal-yellow: #f0c14b;
  --terminal-blue: #79c0ff;
  --radius: 14px;
  --radius-sm: 10px;
  --font-sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "Cascadia Code", "Fira Code", Consolas, monospace;
  --max-width: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(10, 14, 20, 0.85);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #3dd68c 0%, #1a9f5c 100%);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 800;
  color: #041008;
  box-shadow: 0 0 24px var(--accent-glow);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.95rem;
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--text);
  text-decoration: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
  background: #4ae598;
  color: #ffffff;
  text-decoration: none;
}

.nav-links a.btn-primary,
.nav-links a.btn-primary:hover {
  color: #ffffff;
  text-decoration: none;
}

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

.btn-ghost:hover {
  background: var(--bg-elevated);
}

/* Hero */
.hero {
  padding: 4.5rem 0 3rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: -40% -20% auto;
  height: 520px;
  background: radial-gradient(ellipse at center, var(--accent-dim) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 3rem;
  align-items: center;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: var(--accent-dim);
  border: 1px solid rgba(61, 214, 140, 0.25);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.12;
  margin: 0 0 1rem;
  letter-spacing: -0.03em;
}

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

.hero-lead {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 34rem;
  margin: 0 0 1.75rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.install-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.install-box-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.copy-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 6px;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  cursor: pointer;
  font-family: inherit;
}

.copy-btn:hover {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.2);
}

.copy-btn.copied {
  color: var(--accent);
  border-color: rgba(61, 214, 140, 0.4);
}

.install-box pre {
  margin: 0;
  padding: 1rem 1.15rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  overflow-x: auto;
  color: var(--terminal-green);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.25rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Terminal demo */
.terminal {
  background: var(--terminal-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}

.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }

.terminal-title {
  margin-left: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.terminal-body {
  padding: 1.15rem 1.25rem 1.35rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.7;
}

.terminal-body .prompt {
  color: var(--accent);
}

.terminal-body .cmd {
  color: var(--text);
}

.terminal-body .out {
  color: var(--text-muted);
}

.terminal-body .ok {
  color: var(--terminal-green);
}

.terminal-body .warn {
  color: var(--terminal-yellow);
}

/* Sections */
section {
  padding: 4rem 0;
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  margin: 0 0 0.75rem;
  letter-spacing: -0.02em;
}

.section-lead {
  color: var(--text-muted);
  max-width: 38rem;
  margin: 0 0 2.5rem;
  font-size: 1.05rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.35rem;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.feature-card:hover {
  border-color: rgba(61, 214, 140, 0.25);
  transform: translateY(-2px);
}

.feature-head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.65rem;
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-dim);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  color: var(--accent);
}

.feature-head h3 {
  margin: 0;
  font-size: 1.05rem;
}

.feature-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Steps */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}

.step {
  position: relative;
  padding: 1.5rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.step h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.step p {
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.step pre {
  margin: 0;
  padding: 0.85rem;
  background: var(--terminal-bg);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  overflow-x: auto;
  color: var(--terminal-blue);
}

/* Table */
.options-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
}

.options-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.options-table th,
.options-table td {
  padding: 0.9rem 1.1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.options-table th {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.options-table tr:last-child td {
  border-bottom: none;
}

.options-table code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--accent-dim);
  color: var(--accent);
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
}

/* Formats */
.format-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.format-pill {
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.format-pill strong {
  color: var(--text);
}

/* CTA */
.cta {
  padding: 3.5rem 0 5rem;
}

.cta-box {
  text-align: center;
  padding: 3rem 2rem;
  border-radius: calc(var(--radius) + 4px);
  background: linear-gradient(135deg, rgba(61, 214, 140, 0.12) 0%, rgba(61, 214, 140, 0.04) 100%);
  border: 1px solid rgba(61, 214, 140, 0.2);
}

.cta-box h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
}

.cta-box p {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
  max-width: 32rem;
  margin-inline: auto;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
}

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

/* Responsive */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .nav-links li:not(:last-child) {
    display: none;
  }
}

@media (max-width: 600px) {
  .hero {
    padding-top: 3rem;
  }

  section {
    padding: 3rem 0;
  }
}