:root,
[data-theme='light'] {
  --font-display: 'Cabinet Grotesk', 'Inter', sans-serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.8rem, 1.25rem + 5vw, 6.5rem);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;
  --color-bg: #f4f1e8;
  --color-surface: #fffdf7;
  --color-surface-2: #ebe7dc;
  --color-surface-3: #191b1b;
  --color-text: #171716;
  --color-text-muted: #6c6960;
  --color-text-faint: #a7a196;
  --color-text-inverse: #f9f7ef;
  --color-primary: #006d70;
  --color-primary-hover: #034f52;
  --color-primary-soft: #cce5df;
  --color-line: rgba(23, 23, 22, 0.13);
  --color-code: #0f2f31;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  --shadow-sm: 0 1px 2px rgba(23, 23, 22, 0.06);
  --shadow-md: 0 8px 28px rgba(23, 23, 22, 0.09);
  --shadow-lg: 0 24px 80px rgba(23, 23, 22, 0.18);
  --content-wide: 1200px;
  --content-default: 960px;
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme='dark'] {
  --color-bg: #111313;
  --color-surface: #191b1b;
  --color-surface-2: #202423;
  --color-surface-3: #f4f1e8;
  --color-text: #eeede8;
  --color-text-muted: #aaa69e;
  --color-text-faint: #696b67;
  --color-text-inverse: #171716;
  --color-primary: #63c7c9;
  --color-primary-hover: #9de3df;
  --color-primary-soft: #173a3b;
  --color-line: rgba(238, 237, 232, 0.14);
  --color-code: #d9fffb;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.28);
  --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 24px 80px rgba(0, 0, 0, 0.42);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100dvh;
  color: var(--color-text);
  background:
    radial-gradient(circle at 80% 8%, rgba(0, 109, 112, 0.18), transparent 34rem),
    radial-gradient(circle at 5% 10%, rgba(171, 145, 88, 0.16), transparent 28rem),
    var(--color-bg);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.42;
  background-image: linear-gradient(var(--color-line) 1px, transparent 1px), linear-gradient(90deg, var(--color-line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 55%);
}

a {
  color: inherit;
  text-decoration: none;
}

svg,
img {
  display: block;
  max-width: 100%;
}

button,
a {
  transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.container {
  width: min(calc(100% - var(--space-8)), var(--content-wide));
  margin-inline: auto;
}

.section {
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
  position: relative;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) max(var(--space-4), calc((100vw - var(--content-wide)) / 2));
  background: color-mix(in oklab, var(--color-bg), transparent 14%);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-line);
  box-shadow: var(--shadow-sm);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 28px;
  height: 28px;
  display: block;
  object-fit: contain;
  margin-top: 6px;
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 600;
}

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

.header-actions,
.hero-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.theme-toggle {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-full);
  cursor: pointer;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 800;
}

.button-icon-github {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  display: block;
}

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

.button-primary {
  color: var(--color-text-inverse);
  background: var(--color-text);
  box-shadow: var(--shadow-md);
}

.button-primary:hover {
  background: var(--color-primary-hover);
}

.download-dropdown {
  position: relative;
  display: inline-block;
}

.download-dropdown__summary {
  list-style: none;
  cursor: pointer;
  user-select: none;
}

.download-dropdown__summary::-webkit-details-marker {
  display: none;
}

.download-dropdown__chevron {
  margin-left: var(--space-2);
  font-size: 0.7em;
  opacity: 0.85;
  transition: transform 0.2s ease;
}

.download-dropdown[open] .download-dropdown__chevron {
  transform: rotate(180deg);
}

.download-dropdown__panel {
  position: absolute;
  z-index: 30;
  top: calc(100% + var(--space-2));
  left: 0;
  min-width: 100%;
  padding: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.download-dropdown__link {
  display: block;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  white-space: nowrap;
}

.download-dropdown__link:hover {
  background: color-mix(in oklab, var(--color-primary), transparent 88%);
}

.download-dropdown__link:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.button-secondary,
.button-ghost {
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
}

.button-secondary:hover,
.button-ghost:hover,
.theme-toggle:hover {
  border-color: color-mix(in oklab, var(--color-primary), var(--color-line));
}

.hero {
  padding-top: clamp(var(--space-12), 7vw, var(--space-24));
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  align-items: center;
  gap: clamp(var(--space-10), 6vw, var(--space-20));
}

.eyebrow {
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: var(--space-4);
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  letter-spacing: -0.055em;
  line-height: 0.98;
  text-wrap: balance;
}

h1 {
  max-width: 11ch;
  font-size: var(--text-3xl);
  font-weight: 800;
}

h2 {
  font-size: var(--text-2xl);
  font-weight: 800;
}

h3 {
  font-size: var(--text-lg);
  font-weight: 800;
}

.hero-lede {
  margin-top: var(--space-6);
  max-width: 61ch;
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  line-height: 1.45;
}

.hero-actions {
  margin-top: var(--space-8);
}

.release-note {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.status-dot {
  flex-shrink: 0;
  display: block;
  width: 0.625rem;
  height: 0.625rem;
  min-width: 0.625rem;
  min-height: 0.625rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 0 6px color-mix(in oklab, var(--color-primary), transparent 82%);
}

.hero-visual {
  position: relative;
}

.hero-visual::before {
  content: '';
  position: absolute;
  inset: -12% -8%;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in oklab, var(--color-primary), transparent 64%), transparent 62%);
  filter: blur(18px);
}

.app-window {
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
}

.demo-video-window {
  background: color-mix(in oklab, var(--color-surface), transparent 8%);
}

.demo-video {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #0d0f10;
}

.demo-video-actions {
  display: flex;
  justify-content: flex-end;
  padding: var(--space-4);
  border-top: 1px solid var(--color-line);
}

.demo-modal {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: grid;
  place-items: center;
  padding: var(--space-2);
}

.demo-modal[hidden] {
  display: none;
}

.demo-modal-backdrop {
  position: absolute;
  inset: 0;
  background: color-mix(in oklab, #000, transparent 36%);
  backdrop-filter: blur(3px);
}

.demo-modal-dialog {
  position: relative;
  z-index: 1;
  width: min(98vw, 1280px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-2xl);
  background: #0d0f10;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.demo-modal-video {
  display: block;
  width: 100%;
  max-height: 92vh;
  aspect-ratio: auto;
  background: #0d0f10;
}

.demo-modal-close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  z-index: 2;
  width: 40px;
  height: 40px;
  border: 1px solid color-mix(in oklab, var(--color-line), transparent 20%);
  border-radius: var(--radius-full);
  background: color-mix(in oklab, #0d0f10, transparent 12%);
  color: #f4f1e8;
  cursor: pointer;
}

.demo-modal-close:hover {
  border-color: color-mix(in oklab, var(--color-primary), var(--color-line));
}

.traffic {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-line);
}

.traffic span {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background: var(--color-line);
}

.traffic span:nth-child(1) {
  background: #ff6b5f;
}

.traffic span:nth-child(2) {
  background: #f5c04f;
}

.traffic span:nth-child(3) {
  background: #5fca73;
}

.app-shell {
  display: grid;
  grid-template-columns: 190px 1fr;
  min-height: 420px;
}

.sidebar {
  padding: var(--space-5);
  background: color-mix(in oklab, var(--color-surface-2), transparent 30%);
  border-right: 1px solid var(--color-line);
  font-size: var(--text-xs);
}

.side-title {
  margin-bottom: var(--space-6);
  color: var(--color-text);
  font-weight: 900;
}

.tree-item,
.tree-sub {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-weight: 700;
}

.tree-sub {
  margin-left: var(--space-4);
  color: var(--color-text-faint);
}

.tree-item.active,
.tree-sub.json {
  color: var(--color-text);
  background: color-mix(in oklab, var(--color-primary), transparent 84%);
}

.editor {
  padding: var(--space-5);
}

.editor-top {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  color: var(--color-text-faint);
  border-bottom: 1px solid var(--color-line);
  font-size: var(--text-xs);
  font-weight: 700;
}

.doc {
  padding-top: var(--space-8);
}

.doc h2 {
  max-width: 8ch;
  font-size: var(--text-xl);
}

.doc p {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
}

.check-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: 700;
}

.check-row span {
  width: 10px;
  height: 10px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
}

pre {
  overflow-x: auto;
  margin-top: var(--space-6);
  padding: var(--space-4);
  color: var(--color-code);
  background: color-mix(in oklab, var(--color-primary), transparent 90%);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: 1.5;
}

code {
  font-family: 'SFMono-Regular', Consolas, monospace;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
  gap: clamp(var(--space-8), 7vw, var(--space-20));
}

.prose p {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  line-height: 1.5;
}

.prose p + p {
  margin-top: var(--space-5);
}

.feature-band {
  background: color-mix(in oklab, var(--color-surface), transparent 24%);
  border-block: 1px solid var(--color-line);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.42fr) minmax(0, 0.58fr);
  gap: var(--space-10);
  align-items: end;
  margin-bottom: var(--space-12);
}

.section-heading.narrow {
  display: block;
  max-width: 720px;
  margin-inline: auto;
  text-align: center;
}

/* Eyebrow above heading (matches problem / “missing layer” column). */
.section-heading.section-heading-stack {
  display: block;
  max-width: min(42rem, 100%);
}

.section-heading.section-heading-stack h2 {
  margin-top: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.feature-card {
  min-height: 270px;
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-2xl);
}

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

.feature-card.dark {
  color: var(--color-text-inverse);
  background: var(--color-surface-3);
}

.card-kicker {
  display: inline-flex;
  margin-bottom: var(--space-10);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 900;
  letter-spacing: 0.16em;
}

.feature-card p,
.workflow-card p,
.api-grid p,
.compare-grid p,
.cta-panel p {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
}

.feature-card.dark p {
  color: color-mix(in oklab, var(--color-text-inverse), transparent 25%);
}

.workflow-grid {
  display: grid;
  grid-template-columns: 1fr 64px 1fr 64px 1fr;
  align-items: center;
  margin-top: var(--space-12);
}

.workflow-card {
  min-height: 260px;
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-2xl);
}

.workflow-icon {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-8);
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: var(--radius-lg);
}

.workflow-icon i {
  font-size: 1.35rem;
  line-height: 1;
}

.connector {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.api-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(var(--space-8), 7vw, var(--space-20));
  align-items: center;
}

.bullet-list {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-6);
  list-style: none;
}

.bullet-list li {
  position: relative;
  padding-left: var(--space-6);
  color: var(--color-text);
  font-weight: 700;
}

.bullet-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 10px;
  height: 10px;
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-full);
}

.terminal {
  overflow: hidden;
  color: #e7fff9;
  background: #101414;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-lg);
}

.terminal-top {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-4);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.terminal-top span {
  width: 11px;
  height: 11px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.25);
}

.terminal pre {
  margin: 0;
  padding: var(--space-6);
  color: inherit;
  background: transparent;
  border: none;
  border-radius: 0;
}

.muted {
  color: #6fc9c9;
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.compare-grid article {
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-2xl);
}

.compare-grid span {
  display: inline-flex;
  margin-top: var(--space-8);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.cta-panel {
  padding: clamp(var(--space-8), 7vw, var(--space-20));
  /* Panel is always dark; do not use --color-text-inverse (dark in dark theme). */
  color: #f4f1e8;
  background:
    radial-gradient(circle at 10% 20%, rgba(99, 199, 201, 0.28), transparent 28rem),
    #111414;
  border-radius: var(--radius-2xl);
}

.cta-panel h2 {
  max-width: 760px;
  color: #fff;
}

.cta-panel p {
  max-width: 660px;
  color: rgba(249, 247, 239, 0.78);
}

.cta-panel .button-primary {
  color: #111414;
  background: #f4f1e8;
}

.cta-panel .button-secondary {
  color: #f4f1e8;
  background: transparent;
  border-color: rgba(244, 241, 232, 0.22);
}

.cta-panel .download-dropdown__panel {
  background: #f4f1e8;
  border-color: rgba(17, 20, 20, 0.12);
  color: #111414;
}

.cta-panel .download-dropdown__link {
  color: #111414;
}

.cta-panel .download-dropdown__link:hover {
  background: rgba(17, 20, 20, 0.06);
}

.site-footer {
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-line);
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.footer-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-2);
  margin-left: auto;
  text-align: right;
}

.footer-tagline {
  margin: 0;
  max-width: 22rem;
  text-align: right;
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.45;
  color: var(--color-text-muted);
}

.footer-tagline a {
  font-weight: 800;
  color: inherit;
  text-decoration: underline;
  text-decoration-color: color-mix(in oklab, var(--color-primary), transparent 55%);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.footer-tagline a:hover {
  color: var(--color-text);
  text-decoration-color: color-mix(in oklab, var(--color-primary), transparent 25%);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-5);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 700;
}

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

@media (max-width: 900px) {
  .container {
    width: min(calc(100% - var(--space-10)), var(--content-wide));
  }

  .nav {
    display: none;
  }

  .hero-grid,
  .split,
  .api-grid,
  .section-heading {
    grid-template-columns: 1fr;
  }

  .hero-grid {
    gap: var(--space-12);
  }

  h1 {
    max-width: 12ch;
  }

  .feature-grid,
  .compare-grid {
    grid-template-columns: 1fr;
  }

  .feature-card.large {
    grid-column: auto;
  }

  .workflow-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .connector {
    width: 1px;
    height: 40px;
    justify-self: center;
    background: linear-gradient(180deg, transparent, var(--color-primary), transparent);
  }
}

@media (max-width: 640px) {
  .container {
    width: min(calc(100% - var(--space-12)), var(--content-wide));
  }

  .site-header {
    padding-inline: var(--space-5);
  }

  .button-ghost {
    display: none;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .download-dropdown {
    width: 100%;
  }

  .download-dropdown__summary {
    width: 100%;
  }

  .button {
    width: 100%;
  }

  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
  }

  .footer-grid {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-right {
    align-self: stretch;
    width: 100%;
    margin-left: 0;
    align-items: flex-start;
    text-align: left;
  }

  .footer-links {
    justify-content: flex-start;
  }

  .footer-tagline {
    text-align: left;
    max-width: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}