:root {
  --bg: #09090b;
  --bg-elevated: #101014;
  --surface: #141419;
  --surface-2: #1b1b22;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);
  --text: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --accent: #38bdf8;
  --accent-strong: #0284c7;
  --indigo: #818cf8;
  --success: #34d399;
  --warning: #fbbf24;
  --danger: #f87171;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow-card: 0 1px 0 rgba(255, 255, 255, 0.05) inset, 0 16px 36px -12px rgba(0, 0, 0, 0.65);
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

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

html {
  scroll-behavior: smooth;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  line-height: 1.6;
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 80% 45% at 50% -15%, rgba(56, 189, 248, 0.11), transparent),
    radial-gradient(ellipse 50% 35% at 85% 10%, rgba(129, 140, 248, 0.07), transparent);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

code, pre, textarea.code-input {
  font-family: var(--font-mono);
}

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(9, 9, 11, 0.78);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.22), rgba(129, 140, 248, 0.22));
  border: 1px solid rgba(56, 189, 248, 0.4);
  display: grid;
  place-items: center;
  color: var(--accent);
}

.brand-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--surface-2);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 6px 8px;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  padding: 9px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
  white-space: nowrap;
}

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

.btn-primary {
  background: var(--text);
  color: #09090b;
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}

.btn-primary:hover {
  background: #e4e4e7;
}

.btn-accent {
  background: rgba(56, 189, 248, 0.14);
  color: var(--accent);
  border-color: rgba(56, 189, 248, 0.35);
}

.btn-accent:hover {
  background: rgba(56, 189, 248, 0.22);
}

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

.btn-ghost:hover {
  background: var(--surface-2);
  border-color: var(--border-strong);
}

.btn-lg {
  padding: 12px 22px;
  font-size: 0.95rem;
  border-radius: 8px;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 0.78rem;
}

/* Hero */
.hero {
  padding: 84px 0 64px;
  text-align: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.75rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  font-weight: 700;
  max-width: 840px;
  margin: 0 auto 22px;
}

.gradient-text {
  background: linear-gradient(135deg, #ffffff 30%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: 1.12rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin: 0 auto 34px;
  line-height: 1.65;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.cli-pill {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #0c0c10;
  border: 1px solid var(--border);
  padding: 10px 16px;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.cli-pill code {
  color: var(--text);
}

/* Metrics strip */
.metrics-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 24px 0 72px;
}

.metric-cell {
  background: var(--bg-elevated);
  padding: 24px 20px;
  text-align: left;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 1.65rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
}

.metric-label {
  font-size: 0.83rem;
  color: var(--text-secondary);
  margin-top: 4px;
}

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

.section-header {
  max-width: 680px;
  margin-bottom: 48px;
}

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

.section-kicker {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 10px;
  display: block;
}

h2 {
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  line-height: 1.18;
  letter-spacing: -0.025em;
  margin-bottom: 14px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.02rem;
}

/* Cards & Grids */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-card);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

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

.card-icon {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  color: var(--accent);
  margin-bottom: 18px;
}

.card h3 {
  font-size: 1.08rem;
  letter-spacing: -0.015em;
  margin-bottom: 10px;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* App / MVP Workspace */
.workspace-shell {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.workspace-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 12px;
}

.window-dots {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.window-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
}

.preset-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.preset-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.78rem;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all 0.15s ease;
}

.preset-btn:hover,
.preset-btn.active {
  color: var(--text);
  border-color: rgba(56, 189, 248, 0.45);
  background: rgba(56, 189, 248, 0.1);
}

.workspace-editors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-bottom: 1px solid var(--border);
}

.editor-pane {
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
}

.editor-pane:last-child {
  border-right: none;
}

.pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.015);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-secondary);
}

textarea.code-input {
  width: 100%;
  min-height: 250px;
  background: #07070a;
  color: #e4e4e7;
  border: none;
  padding: 16px;
  font-size: 0.82rem;
  line-height: 1.55;
  resize: vertical;
  outline: none;
}

textarea.code-input:focus {
  background: #09090e;
}

.workspace-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 14px;
}

.tab-bar {
  display: inline-flex;
  background: #0b0b0f;
  padding: 3px;
  border-radius: 8px;
  border: 1px solid var(--border);
  gap: 2px;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.tab-btn.active {
  background: var(--surface-2);
  color: var(--text);
  box-shadow: 0 1px 2px rgba(0,0,0,0.4);
}

.workspace-output {
  padding: 20px;
  background: #08080b;
  min-height: 220px;
}

/* Status & Badges */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
}

.status-pass {
  background: rgba(52, 211, 153, 0.12);
  color: var(--success);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.status-warn {
  background: rgba(251, 191, 36, 0.12);
  color: var(--warning);
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.status-fail {
  background: rgba(248, 113, 113, 0.12);
  color: var(--danger);
  border: 1px solid rgba(248, 113, 113, 0.3);
}

/* Diff list */
.diff-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.diff-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.86rem;
}

.diff-path {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text);
}

.diff-detail {
  color: var(--text-secondary);
  font-size: 0.83rem;
  margin-top: 2px;
}

.code-block {
  background: #07070a;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.code-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 14px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.code-block pre {
  padding: 16px;
  overflow-x: auto;
  font-size: 0.82rem;
  line-height: 1.6;
  color: #e4e4e7;
}

/* Tables */
.data-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.data-table th,
.data-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.02);
}

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

/* Pricing */
.billing-toggle-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 40px;
  font-size: 0.9rem;
}

.pricing-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.pricing-card.featured {
  border-color: rgba(56, 189, 248, 0.5);
  background: linear-gradient(180deg, rgba(56, 189, 248, 0.06) 0%, var(--surface) 40%);
}

.price-figure {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 16px 0 6px;
}

.price-figure span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-secondary);
}

.feature-list {
  list-style: none;
  margin: 22px 0 28px;
  display: flex;
  flex-direction: column;
  gap: 11px;
  font-size: 0.89rem;
  color: var(--text-secondary);
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.feature-list svg {
  flex-shrink: 0;
  color: var(--accent);
  margin-top: 3px;
}

/* Docs Layout */
.docs-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 48px;
  padding: 48px 0 80px;
}

.docs-sidebar {
  position: sticky;
  top: 88px;
  align-self: start;
}

.docs-nav-group {
  margin-bottom: 24px;
}

.docs-nav-title {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.docs-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.docs-nav-list a {
  display: block;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.docs-nav-list a:hover {
  color: var(--text);
  background: var(--surface);
}

.docs-content section {
  margin-bottom: 56px;
  scroll-margin-top: 90px;
}

.docs-content h2 {
  font-size: 1.55rem;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.docs-content h3 {
  font-size: 1.12rem;
  margin: 24px 0 10px;
}

.docs-content p {
  color: var(--text-secondary);
  margin-bottom: 16px;
}

/* Changelog & Roadmap */
.timeline {
  border-left: 1px solid var(--border-strong);
  margin-left: 12px;
  padding-left: 28px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.timeline-item {
  position: relative;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--bg);
}

.timeline-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  margin-bottom: 6px;
}

/* FAQ */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}

.faq-item h4 {
  font-size: 0.98rem;
  margin-bottom: 8px;
}

.faq-item p {
  font-size: 0.89rem;
  color: var(--text-secondary);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 64px 0 40px;
  background: #070709;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-col h4 {
  font-size: 0.84rem;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--text);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
  font-size: 0.87rem;
  color: var(--text-secondary);
}

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

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 12px;
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1), transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn, .card { transition: none; }
}

/* Responsive */
@media (max-width: 960px) {
  .grid-3, .metrics-bar { grid-template-columns: repeat(2, 1fr); }
  .workspace-editors { grid-template-columns: 1fr; }
  .editor-pane { border-right: none; border-bottom: 1px solid var(--border); }
  .docs-layout { grid-template-columns: 1fr; }
  .docs-sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 18px 24px;
    gap: 14px;
  }
  .nav-links.open { display: flex; }
  .mobile-toggle { display: inline-flex; }
  .grid-3, .grid-2, .faq-grid, .metrics-bar, .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero { padding: 56px 0 44px; }
}