/* CSS Variables */
:root {
  --bg-primary: #0a0a0b;
  --bg-secondary: #151517;
  --bg-tertiary: #1e1e21;
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --accent-yellow: #eab308;
  --border: #27272a;
  --font-sans:
    system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono:
    "JetBrains Mono", "Fira Code", "Cascadia Code", Consolas, monospace;
}

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

/* Base */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

h1,
h2,
h3 {
  line-height: 1.2;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s;
}

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

code {
  font-family: var(--font-mono);
  background: var(--bg-tertiary);
  padding: 0.15em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}

/* Hero */
.hero {
  padding: 6rem 0 4rem;
  text-align: center;
}

.logo img {
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.tagline {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  color: var(--accent);
  margin-bottom: 1rem;
}

.subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 2rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 500;
  font-size: 1rem;
  transition: all 0.2s;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-primary);
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--bg-primary);
}

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* Features */
.features {
  padding: 4rem 0;
}

.features h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 3rem;
}

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

.feature-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: var(--accent);
}

.feature-icon {
  width: 40px;
  height: 40px;
  color: var(--accent);
  margin-bottom: 1rem;
}

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

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

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

/* Quick Start */
.quickstart {
  padding: 4rem 0;
  background: var(--bg-secondary);
}

.quickstart h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
}

.install-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.5rem;
  max-width: 500px;
  margin: 0 auto 2rem;
}

.install-box code {
  background: none;
  padding: 0;
  font-size: 1.1rem;
  flex: 1;
}

.copy-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.25rem;
  transition: color 0.2s;
}

.copy-btn:hover {
  color: var(--accent);
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 500px;
  margin: 0 auto 2rem;
}

.step {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.step-num {
  width: 32px;
  height: 32px;
  background: var(--accent);
  color: var(--bg-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.step p {
  color: var(--text-secondary);
}

.docs-link {
  text-align: center;
}

/* Platforms */
.platforms {
  padding: 4rem 0;
}

.platforms h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  max-width: 500px;
  margin: 0 auto;
}

.platform-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  text-align: center;
  color: var(--text-primary);
  transition: border-color 0.2s;
}

.platform-card:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.platform-logo {
  width: 48px;
  height: 48px;
}

.platform-card span:nth-child(2) {
  font-weight: 600;
  font-size: 1.1rem;
}

.platform-link {
  font-size: 0.9rem;
  color: var(--accent);
}

/* Footer */
footer {
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-links {
  display: flex;
  gap: 2rem;
  justify-content: center;
  margin-bottom: 1rem;
}

.footer-credit {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 640px) {
  .hero {
    padding: 4rem 0 3rem;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }

  .install-box {
    flex-direction: column;
    text-align: center;
  }

  .footer-links {
    flex-direction: column;
    gap: 0.75rem;
  }
}