:root {
  --bg: #0a0e14;
  --bg-elev: #0f141c;
  --surface: #131a24;
  --surface-2: #182130;
  --border: #232c3a;
  --text: #e7ebf3;
  --text-dim: #9aa7bd;
  --text-faint: #6b7788;
  --accent: #4f8cff;
  --accent-2: #ff5470;
  --accent-gradient: linear-gradient(135deg, #4f8cff 0%, #9c6dff 55%, #ff5470 100%);
  --radius: 14px;
  --radius-sm: 8px;
  --max-width: 1120px;
  --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

code, pre {
  font-family: "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.15em 0.4em;
  font-size: 0.9em;
}

pre {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  overflow-x: auto;
  font-size: 0.9em;
}

pre code {
  background: none;
  border: none;
  padding: 0;
}

/* ---------- Nav ---------- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
}

.brand:hover {
  text-decoration: none;
  color: var(--text);
}

.brand-mark {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: var(--accent-gradient);
  display: inline-block;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--text-dim);
  font-size: 0.95rem;
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text);
  text-decoration: none;
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.nav-toggle svg {
  width: 20px;
  height: 20px;
}

@media (max-width: 760px) {
  .nav-links {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    gap: 16px;
    display: none;
  }

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

  .nav-cta .btn {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.12s ease, filter 0.12s ease;
}

.btn:hover {
  text-decoration: none;
  filter: brightness(1.08);
}

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

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
}

.btn-secondary {
  background: var(--surface-2);
  border-color: var(--border);
  color: var(--text);
}

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

.btn-block {
  width: 100%;
}

/* ---------- Sections / layout ---------- */

main {
  display: block;
}

.section {
  padding: 88px 0;
}

.section-tight {
  padding: 56px 0;
}

.section-header {
  max-width: 640px;
  margin: 0 0 48px;
}

.eyebrow {
  display: inline-block;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

h1, h2, h3 {
  line-height: 1.15;
  margin: 0 0 16px;
}

h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.15rem;
}

p {
  color: var(--text-dim);
  margin: 0 0 16px;
}

.lede {
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 560px;
}

.grid {
  display: grid;
  gap: 20px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 900px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.card h3 {
  margin-bottom: 8px;
}

.card p {
  margin-bottom: 0;
  font-size: 0.95rem;
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--accent);
}

.card-icon svg {
  width: 20px;
  height: 20px;
}

/* ---------- Hero ---------- */

.hero {
  padding: 72px 0 40px;
  overflow: hidden;
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}

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

.hero-cta {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.hero-meta {
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--text-faint);
}

.browser-frame {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.browser-frame-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.browser-frame-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--border);
}

.browser-frame-url {
  margin-left: 8px;
  font-size: 0.75rem;
  color: var(--text-faint);
  background: var(--bg-elev);
  border-radius: 6px;
  padding: 3px 10px;
  flex: 1;
}

.browser-frame-body {
  position: relative;
  height: 320px;
  background:
    linear-gradient(var(--surface-2) 1px, transparent 1px) 0 0 / 100% 40px,
    var(--bg-elev);
}

.browser-frame-body canvas {
  position: absolute;
  inset: 0;
}

/* ---------- Steps ---------- */

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

@media (max-width: 760px) {
  .steps { grid-template-columns: 1fr; }
}

.step-number {
  font-weight: 800;
  font-size: 1.6rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin-bottom: 12px;
  display: block;
}

/* ---------- Pricing ---------- */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  align-items: stretch;
}

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

.price-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
}

.price-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), var(--shadow);
  position: relative;
}

.price-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--accent-gradient);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
}

.price-amount {
  font-size: 2.4rem;
  font-weight: 800;
  margin: 4px 0 4px;
}

.price-amount span {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-faint);
}

.price-features {
  list-style: none;
  margin: 20px 0 28px;
  padding: 0;
  flex: 1;
}

.price-features li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 7px 0;
  font-size: 0.92rem;
  color: var(--text-dim);
}

.price-features svg {
  width: 16px;
  height: 16px;
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 3px;
}

.price-disclaimer {
  text-align: center;
  color: var(--text-faint);
  font-size: 0.85rem;
  margin-top: 8px;
}

/* ---------- CTA banner ---------- */

.cta-banner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 56px;
  text-align: center;
}

.cta-banner h2 {
  margin-bottom: 12px;
}

.cta-banner p {
  max-width: 480px;
  margin: 0 auto 28px;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 0;
  color: var(--text-faint);
  font-size: 0.9rem;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links a {
  color: var(--text-faint);
}

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

/* ---------- Page header (non-landing pages) ---------- */

.page-header {
  padding: 56px 0 8px;
}

.page-header .eyebrow {
  margin-bottom: 8px;
}

/* ---------- Table ---------- */

.api-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 32px;
  font-size: 0.9rem;
}

.api-table th,
.api-table td {
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.api-table th {
  color: var(--text-faint);
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ---------- Form (heatmap viewer) ---------- */

.tool-form {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 24px;
}

.tool-form .field {
  flex: 1;
  min-width: 180px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tool-form label {
  font-size: 0.8rem;
  color: var(--text-faint);
}

.tool-form input {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 10px 12px;
  font-size: 0.95rem;
}

.tool-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.tool-form .field-actions {
  display: flex;
  align-items: flex-end;
}

.tool-result {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.tool-result-canvas-wrap {
  position: relative;
  background: var(--bg-elev);
  background-image: linear-gradient(var(--surface-2) 1px, transparent 1px);
  background-size: 100% 32px;
  min-height: 360px;
  overflow: auto;
}

.tool-status {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.9rem;
}

.tool-status.error {
  color: var(--accent-2);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-faint);
}

.dot.ok { background: #34d399; }
.dot.err { background: var(--accent-2); }