/* === Custom Properties === */
:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #1c2128;
  --border: #30363d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --accent: #f7931a;
  --accent-hover: #e8860f;
  --radius: 8px;
  --max-width: 1100px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
}

code, pre {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

/* === Container === */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* === Section === */
section {
  padding: 4rem 0;
}

.section-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: var(--text-secondary);
  margin-bottom: 2rem;
  font-size: 1.05rem;
}

/* === Fade-in on scroll === */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

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

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

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

.hero .tagline {
  font-size: 1.35rem;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
}

.hero .subtitle {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 2rem;
}

.version-badge {
  display: inline-block;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* === Install Command === */
.install-command {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

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

.install-command .copy-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 4px;
  display: flex;
  align-items: center;
  transition: color 0.2s;
}

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

.install-command .copy-btn svg {
  width: 16px;
  height: 16px;
}

/* === CTA Buttons === */
.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.2s, border-color 0.2s;
  cursor: pointer;
  border: 2px solid transparent;
  text-decoration: none;
}

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

.btn-primary {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
}

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

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

.btn-secondary:hover {
  border-color: var(--text-secondary);
}

/* === Feature Cards === */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

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

.feature-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: 0 4px 20px rgba(247, 147, 26, 0.1);
}

.feature-card .icon {
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

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

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

.feature-card code {
  background: var(--bg-tertiary);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85rem;
}

/* === Code Blocks === */
.code-example {
  margin-bottom: 2rem;
}

.code-example h3 {
  font-size: 1rem;
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
}

pre[class*="language-"] {
  background: var(--bg-tertiary) !important;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  font-size: 0.875rem;
  line-height: 1.6;
  overflow-x: auto;
}

code[class*="language-"] {
  font-size: 0.875rem;
}

/* Prism overrides for site palette */
.token.comment,
.token.prolog,
.token.doctype,
.token.cdata {
  color: #6a737d !important;
}

.token.keyword {
  color: #ff7b72 !important;
}

.token.string,
.token.attr-value {
  color: #a5d6ff !important;
}

.token.function {
  color: #d2a8ff !important;
}

.token.number {
  color: #79c0ff !important;
}

.token.operator {
  color: #ff7b72 !important;
}

.token.class-name,
.token.maybe-class-name {
  color: #ffa657 !important;
}

.token.punctuation {
  color: #c9d1d9 !important;
}

.token.property {
  color: #79c0ff !important;
}

.token.constant {
  color: #79c0ff !important;
}

/* === Flow Diagram === */
.flow-diagram {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.flow-step {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  text-align: center;
  min-width: 140px;
}

.flow-step .label {
  font-weight: 600;
  font-size: 0.95rem;
}

.flow-step .sublabel {
  color: var(--text-secondary);
  font-size: 0.8rem;
  margin-top: 0.25rem;
}

.flow-arrow {
  color: var(--accent);
  font-size: 1.5rem;
  padding: 0 0.5rem;
  flex-shrink: 0;
}

.how-it-works-text {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.how-it-works-text p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.how-it-works-text strong {
  color: var(--text-primary);
}

/* === Platform Cards === */
.platform-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.platform-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.75rem;
  text-align: center;
  min-width: 120px;
  transition: border-color 0.2s;
}

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

.platform-card .platform-icon {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.platform-card .platform-name {
  font-weight: 600;
  font-size: 0.9rem;
}

/* === API Table === */
.api-table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.api-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.api-table th {
  background: var(--bg-tertiary);
  text-align: left;
  padding: 0.75rem 1rem;
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.api-table td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

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

.api-table code {
  background: var(--bg-tertiary);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85rem;
  color: var(--text-primary);
  white-space: nowrap;
}

.api-table .method-name {
  color: var(--text-primary);
  font-weight: 500;
}

/* === Error Types === */
.error-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.error-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}

.error-item code {
  color: #ff7b72;
  font-size: 0.9rem;
}

.error-item p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin-top: 0.25rem;
}

/* === Claude Code Callout === */
.claude-code-callout {
  margin-top: 2.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-secondary);
  overflow: hidden;
  position: relative;
}

.claude-code-callout::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), #d4a574);
}

.claude-code-callout-inner {
  padding: 1.5rem;
}

.claude-code-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.claude-code-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
}

.claude-icon {
  color: var(--accent);
  flex-shrink: 0;
}

.claude-code-callout p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.claude-code-command {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  overflow-x: auto;
}

.claude-code-command code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--text-primary);
  white-space: pre-wrap;
  word-break: break-word;
}

.btn-claude {
  background: var(--accent);
  color: #000;
  border: 2px solid var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.25rem;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
  font-family: inherit;
}

.btn-claude:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-claude.copied {
  background: #238636;
  border-color: #238636;
}

.claude-code-hint {
  display: inline-block;
  margin-left: 0.75rem;
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.claude-code-hint a {
  color: var(--accent);
}

.claude-code-toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #238636;
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  z-index: 1000;
  pointer-events: none;
}

.claude-code-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* === Footer === */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.8rem;
  margin-top: 0.5rem;
}

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

  .hero h1 {
    font-size: 2.25rem;
  }

  .hero .tagline {
    font-size: 1.1rem;
  }

  section {
    padding: 3rem 0;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .install-command {
    font-size: 0.85rem;
  }

  .flow-diagram {
    flex-direction: column;
  }

  .flow-arrow {
    transform: rotate(90deg);
    padding: 0.25rem 0;
  }

  .platform-card {
    min-width: 100px;
    padding: 1rem 1.25rem;
  }

  pre[class*="language-"] {
    font-size: 0.8rem;
    padding: 1rem;
  }

  .claude-code-hint {
    display: block;
    margin-left: 0;
    margin-top: 0.5rem;
  }
}

@media (min-width: 1024px) {
  .hero h1 {
    font-size: 4rem;
  }

  section {
    padding: 5rem 0;
  }
}