:root {
  --saturn-orange: #F85A2B;
  --saturn-orange-dim: rgba(248, 90, 43, 0.6);
  --saturn-orange-bg: rgba(248, 90, 43, 0.1);
  --deep-space: #0B0C10;
  --space-dark: #111318;
  --space-mid: #1A1D24;
  --space-light: #242830;
  --space-lighter: #2E333A;
  --text-primary: #E8E8E8;
  --text-secondary: #8B8F96;
  --text-dim: #5A5E66;
  --green: #22C55E;
  --red: #EF4444;
  --blue: #3B82F6;

  font-family: 'SF Mono', 'Fira Code', 'JetBrains Mono', 'Cascadia Code', monospace;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--deep-space);
}

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

body { min-height: 100vh; }

a { color: var(--saturn-orange); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Nav */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  height: 48px;
  background: var(--space-dark);
  border-bottom: 1px solid var(--space-light);
}

.nav-brand {
  font-size: 15px;
  font-weight: 600;
  color: var(--saturn-orange);
  letter-spacing: -0.3px;
  text-decoration: none;
}

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

.nav-links {
  display: flex;
  gap: 4px;
}

.nav-links a {
  padding: 6px 14px;
  font-size: 12px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
}

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

/* Container */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
}

/* Hero */
.hero {
  padding: 140px 0 80px;
  text-align: center;
}

.hero-tagline {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.hero-tagline span {
  color: var(--saturn-orange);
}

.hero-sub {
  font-size: 14px;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto 32px;
}

.hero-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.btn {
  padding: 10px 24px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: opacity 0.15s;
  text-decoration: none;
}

.btn:hover { opacity: 0.85; text-decoration: none; }

.btn-orange {
  background: var(--saturn-orange);
  color: #fff;
}

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

.btn-outline:hover {
  border-color: var(--saturn-orange-dim);
}

/* Screenshot */
.screenshot-section {
  padding: 0 0 80px;
}

.screenshot-wrapper {
  border: 1px solid var(--space-light);
  overflow: hidden;
  position: relative;
}

.screenshot-wrapper img {
  display: block;
  width: 100%;
  height: auto;
}

.screenshot-caption {
  text-align: center;
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* Section */
.section {
  padding: 80px 0;
}

.section-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--saturn-orange);
  margin-bottom: 32px;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--space-light);
  border: 1px solid var(--space-light);
}

.feature-card {
  padding: 24px;
  background: var(--space-dark);
  transition: background 0.15s;
}

.feature-card:hover {
  background: var(--space-mid);
}

.feature-icon {
  font-size: 18px;
  margin-bottom: 12px;
  color: var(--saturn-orange);
  font-weight: 700;
}

.feature-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.feature-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Architecture */
.arch-section {
  padding: 80px 0;
  border-top: 1px solid var(--space-light);
}

.arch-diagram {
  background: var(--space-dark);
  border: 1px solid var(--space-light);
  padding: 32px;
  overflow-x: auto;
}

.arch-diagram pre {
  font-family: inherit;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
  white-space: pre;
  margin: 0;
}

.arch-diagram .hl {
  color: var(--saturn-orange);
}

.arch-desc {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.arch-item-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.arch-item-desc {
  font-size: 12px;
  color: var(--text-dim);
}

/* Install */
.install-section {
  padding: 80px 0;
  border-top: 1px solid var(--space-light);
}

.install-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.install-step {
  background: var(--space-dark);
  border: 1px solid var(--space-light);
  padding: 24px;
}

.step-number {
  font-size: 11px;
  font-weight: 600;
  color: var(--saturn-orange);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.step-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

.step-desc {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.code-block {
  background: var(--deep-space);
  border: 1px solid var(--space-light);
  padding: 12px 16px;
  font-size: 12px;
  color: var(--saturn-orange);
  overflow-x: auto;
  position: relative;
  cursor: pointer;
  transition: border-color 0.15s;
}

.code-block:hover {
  border-color: var(--saturn-orange-dim);
}

.code-block .copy-hint {
  position: absolute;
  top: 4px;
  right: 8px;
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.code-block.copied {
  border-color: var(--green);
}

.code-block.copied .copy-hint {
  color: var(--green);
}

/* Tech Stack */
.tech-bar {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--space-light);
}

.tech-tag {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.5px;
}

.tech-tag span {
  color: var(--text-secondary);
}

/* Footer */
.footer {
  border-top: 1px solid var(--space-light);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11px;
  color: var(--text-dim);
}

.footer-links {
  display: flex;
  gap: 16px;
}

.footer-links a {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.15s;
}

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

/* Responsive */
@media (max-width: 900px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .install-steps {
    grid-template-columns: 1fr;
  }
  .arch-desc {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
  .hero-tagline {
    font-size: 22px;
  }
  .nav {
    padding: 0 16px;
  }
  .container {
    padding: 0 16px;
  }
  .nav-links a {
    padding: 6px 8px;
    font-size: 11px;
  }
  .footer {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--space-dark); }
::-webkit-scrollbar-thumb { background: var(--space-lighter); }