:root {
  --bg: #0A0A0A;
  --surface: #111111;
  --surface-elevated: #161616;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #F5F5F5;
  --text-secondary: #A3A3A3;
  --accent: #8B5CF6;
  --accent-light: #A78BFA;
  --terminal-green: #22C55E;
  --terminal-blue: #60A5FA;
  --terminal-red: #FF5F57;
  --terminal-yellow: #FFBD2E;
  --terminal-lime: #28C840;
  --radius: 1rem;
  --radius-sm: 0.75rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 1rem;
  z-index: 100;
  padding: 0.5rem 1rem;
  background: var(--text);
  color: var(--bg);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  left: 1rem;
}

/* Header & Navigation */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  background: rgba(10, 10, 10, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  height: 64px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 0.5rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.nav-links a:focus-visible {
  box-shadow: 0 0 0 2px var(--accent);
  border-radius: 4px;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.5rem 1.5rem 1rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
  }

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

  .nav-links li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
  }

  .nav-links li:last-child {
    border-bottom: none;
  }
}

/* Hero */
.hero {
  padding: 128px 1.5rem 96px;
}

.hero-content {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-light);
}

h1 {
  margin: 0 0 1.5rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text);
}

.subtitle {
  margin: 0 0 2.5rem;
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  line-height: 1.7;
  color: var(--text-secondary);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: 9999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.4);
}

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

.btn-primary:hover {
  background: #FFFFFF;
}

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

.btn-secondary:hover {
  background: var(--surface-elevated);
}

/* Terminal */
.terminal {
  max-width: 760px;
  margin: 4rem auto 0;
  background: #080808;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  height: 40px;
  padding: 0 1rem;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-red { background: var(--terminal-red); }
.dot-yellow { background: var(--terminal-yellow); }
.dot-green { background: var(--terminal-lime); }

.terminal-title {
  margin-left: auto;
  margin-right: auto;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.terminal-body {
  min-height: 340px;
  max-height: 420px;
  overflow-y: auto;
  padding: 1.25rem;
  font-family: 'Fira Code', 'SF Mono', Menlo, Consolas, monospace;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--text-secondary);
}

.terminal-body::-webkit-scrollbar {
  width: 8px;
}

.terminal-body::-webkit-scrollbar-track {
  background: transparent;
}

.terminal-body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 4px;
}

.line {
  margin: 0 0 0.35rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.command-line {
  color: var(--text);
}

.prompt {
  color: var(--terminal-green);
  user-select: none;
}

.prompt-path {
  color: var(--terminal-blue);
  user-select: none;
}

.prompt-symbol,
.prompt-diamond {
  user-select: none;
}

.prompt-diamond {
  color: var(--terminal-green);
}

.cursor {
  display: inline-block;
  width: 8px;
  height: 1.1em;
  margin-left: 2px;
  background: var(--accent-light);
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* Sections */
.section {
  padding: 120px 1.5rem;
}

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

.section-header {
  max-width: 560px;
  margin-bottom: 4rem;
}

.section-header.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

h2 {
  margin: 0 0 1rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text);
}

.section-subtitle {
  margin: 0;
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* Bento Features */
.bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.card {
  padding: 1.75rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.card-large {
  grid-column: span 2;
}

.card-wide {
  grid-column: span 2;
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 1.25rem;
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 0.625rem;
}

.card-title {
  margin: 0 0 0.5rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text);
}

.card-text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.card-text code {
  padding: 0.125rem 0.375rem;
  font-family: 'Fira Code', monospace;
  font-size: 0.8125rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 4px;
}

@media (max-width: 900px) {
  .bento {
    grid-template-columns: 1fr;
  }

  .card-large,
  .card-wide {
    grid-column: span 1;
  }
}

/* Providers */
.provider-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.75rem;
}

.provider-card {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s ease;
}

.provider-card:hover {
  border-color: var(--border-strong);
}

.provider-name {
  font-weight: 600;
  color: var(--text);
}

.provider-models {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

/* Commands */
.command-list {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.command-row {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 1.5rem;
  align-items: center;
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.command-row:last-child {
  border-bottom: none;
}

.command-row code {
  font-family: 'Fira Code', monospace;
  font-size: 0.875rem;
  color: var(--text);
}

.command-row span {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

@media (max-width: 640px) {
  .command-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}

/* Install */
.install-block {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.install-block pre {
  margin: 0;
  overflow-x: auto;
  font-family: 'Fira Code', monospace;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.install-block code {
  color: var(--text);
}

.copy-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.5rem 0.875rem;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text);
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  border-radius: 9999px;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-strong);
}

.copy-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px var(--accent);
}

/* Footer */
.site-footer {
  padding: 3rem 1.5rem;
  border-top: 1px solid var(--border);
}

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

.footer-inner a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.copyright {
  font-size: 0.8125rem;
  color: var(--text-secondary);
}

.footer-github {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.github-icon {
  display: block;
  flex: 0 0 auto;
}

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

@media (max-width: 480px) {
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .cursor {
    animation: none;
  }

  .btn:hover,
  .card:hover {
    transform: none;
  }
  .copyright {
    text-decoration: none;
    transition: color 0.2s ease;
  }

  .copyright:hover {
    color: #fff;
  }
}