:root {
  --bg: #050607;
  --bg-soft: #0b0d0f;
  --panel: rgba(12, 15, 17, 0.84);
  --panel-strong: #0d1113;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --text: #f4f0e9;
  --muted: #aab1aa;
  --muted-strong: #c9cec8;
  --acid: #9eff6e;
  --acid-soft: rgba(158, 255, 110, 0.12);
  --copper: #d9a669;
  --copper-soft: rgba(217, 166, 105, 0.12);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.38);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --max-width: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Public Sans", "Helvetica Neue", Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(158, 255, 110, 0.1), transparent 30%),
    radial-gradient(circle at 80% 20%, rgba(217, 166, 105, 0.11), transparent 34%),
    linear-gradient(180deg, #07090a 0%, #050607 100%);
  color: var(--text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: radial-gradient(circle at center, black 35%, transparent 85%);
  opacity: 0.18;
}

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

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

button,
.button {
  border: 0;
  cursor: pointer;
  font: inherit;
}

.site-shell {
  position: relative;
  overflow: hidden;
}

.site-shell::before,
.site-shell::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(80px);
  pointer-events: none;
}

.site-shell::before {
  top: 160px;
  left: -120px;
  width: 420px;
  height: 420px;
  background: rgba(158, 255, 110, 0.08);
}

.site-shell::after {
  top: 520px;
  right: -160px;
  width: 460px;
  height: 460px;
  background: rgba(217, 166, 105, 0.08);
}

.container {
  width: min(var(--max-width), calc(100vw - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(5, 6, 7, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 84px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.brand img {
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
}

.brand-copy {
  display: grid;
  gap: 2px;
}

.brand-name {
  font-family: "Sora", "Avenir Next", sans-serif;
  font-size: 0.94rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.brand-sub {
  color: var(--muted);
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 0.95rem;
}

.nav a {
  transition: color 180ms ease;
}

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

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    color 180ms ease;
}

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

.button-primary {
  background: linear-gradient(135deg, rgba(217, 166, 105, 0.18), rgba(158, 255, 110, 0.22));
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.button-secondary {
  border: 1px solid var(--line);
  color: var(--muted-strong);
  background: rgba(255, 255, 255, 0.02);
}

.hero {
  padding: 72px 0 56px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.06fr) minmax(360px, 0.94fr);
  align-items: center;
  gap: 38px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--copper);
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}

.hero h1,
.page-hero h1 {
  margin: 0;
  font-family: "Sora", "Avenir Next", sans-serif;
  font-size: clamp(3.2rem, 5vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
  max-width: 12ch;
}

.hero p,
.page-hero p {
  margin: 22px 0 0;
  max-width: 36rem;
  color: var(--muted-strong);
  font-size: 1.08rem;
  line-height: 1.75;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.metric {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
}

.metric strong {
  display: block;
  margin-bottom: 6px;
  font-family: "Sora", "Avenir Next", sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
}

.metric span {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.hero-stage {
  position: relative;
  isolation: isolate;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 36%),
    rgba(10, 12, 14, 0.78);
  box-shadow: var(--shadow);
}

.hero-stage::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(217, 166, 105, 0.4), rgba(158, 255, 110, 0.16), rgba(255, 255, 255, 0.02));
  mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  mask-composite: exclude;
  opacity: 0.6;
  z-index: 2;
}

.hero-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background:
    linear-gradient(90deg, rgba(5, 6, 7, 0.92) 8%, rgba(5, 6, 7, 0.72) 44%, rgba(5, 6, 7, 0.18) 100%),
    linear-gradient(180deg, rgba(5, 6, 7, 0.2), rgba(5, 6, 7, 0.78)),
    url("horse-signal-art.png") center right / cover no-repeat;
  opacity: 0.58;
  z-index: 0;
}

.hero-stage > * {
  position: relative;
  z-index: 1;
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 14px;
}

.window-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
}

.window-dot:first-child {
  background: rgba(217, 166, 105, 0.72);
}

.window-dot:nth-child(2) {
  background: rgba(158, 255, 110, 0.6);
}

.window-title {
  margin-left: auto;
  color: var(--muted);
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.terminal-stack {
  display: grid;
  gap: 16px;
}

.signal-card,
.code-surface,
.response-surface,
.feature-card,
.endpoint-card,
.proof-card,
.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.02);
}

.signal-card {
  display: grid;
  gap: 14px;
  padding: 20px;
}

.hero-stage .signal-card {
  background: rgba(8, 10, 12, 0.58);
  backdrop-filter: blur(12px);
}

.signal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.signal-head strong {
  font-family: "Sora", "Avenir Next", sans-serif;
  font-size: 1rem;
  font-weight: 600;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted-strong);
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.pill-acid {
  background: var(--acid-soft);
  color: var(--acid);
}

.pill-copper {
  background: var(--copper-soft);
  color: var(--copper);
}

.feed-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.feed-list li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted-strong);
  font-size: 0.94rem;
}

.feed-time,
.feed-tag {
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 0.78rem;
  color: var(--muted);
}

.feed-tag {
  color: var(--acid);
}

.code-mini {
  margin: 0;
  padding: 18px;
  border-radius: 18px;
  background: #0b0f10;
  color: #d9f9cb;
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 0.88rem;
  line-height: 1.7;
  overflow-x: auto;
}

.hero-stage .code-mini {
  background: rgba(6, 9, 11, 0.78);
}

.section {
  padding: 56px 0;
}

.section-head {
  display: grid;
  gap: 14px;
  margin-bottom: 28px;
}

.section-head h2 {
  margin: 0;
  font-family: "Sora", "Avenir Next", sans-serif;
  font-size: clamp(2rem, 3vw, 3rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.section-head p {
  margin: 0;
  max-width: 42rem;
  color: var(--muted-strong);
  line-height: 1.7;
}

.feature-grid,
.endpoint-grid,
.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.feature-card,
.endpoint-card,
.proof-card {
  padding: 22px;
}

.feature-card h3,
.endpoint-card h3,
.proof-card h3 {
  margin: 16px 0 10px;
  font-family: "Sora", "Avenir Next", sans-serif;
  font-size: 1.05rem;
  letter-spacing: -0.03em;
}

.feature-card p,
.endpoint-card p,
.proof-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.icon-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 1.1rem;
}

.split-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 24px;
  align-items: start;
}

.principle-list {
  display: grid;
  gap: 14px;
}

.principle {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.02);
}

.principle strong {
  display: block;
  margin-bottom: 8px;
  font-family: "Sora", "Avenir Next", sans-serif;
  font-size: 1.05rem;
}

.principle p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.proof-card {
  display: grid;
  gap: 16px;
}

.proof-card q {
  margin: 0;
  color: var(--muted-strong);
  font-size: 1.02rem;
  line-height: 1.65;
}

.proof-foot {
  color: var(--copper);
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.api-preview {
  position: relative;
  overflow: hidden;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 10% 20%, rgba(158, 255, 110, 0.08), transparent 28%),
    radial-gradient(circle at 90% 80%, rgba(217, 166, 105, 0.08), transparent 36%),
    rgba(9, 11, 13, 0.86);
}

.api-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 22px;
}

.tabs {
  display: inline-flex;
  gap: 10px;
  padding: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
}

.tab {
  min-height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
}

.tab.is-active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.code-surface,
.response-surface {
  min-height: 100%;
}

.code-surface pre,
.response-surface pre {
  margin: 0;
  padding: 24px;
  overflow-x: auto;
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 0.88rem;
  line-height: 1.7;
}

.code-surface pre {
  color: #dfffd2;
}

.response-surface pre {
  color: #f2ebdd;
}

.api-actions,
.api-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.subtle-link {
  color: var(--muted-strong);
}

.subtle-link:hover,
.subtle-link:focus-visible {
  color: var(--text);
}

.page-hero {
  padding: 80px 0 36px;
}

.page-hero .hero-copy {
  max-width: 54rem;
}

.doc-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.sidebar-card {
  position: sticky;
  top: 108px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.02);
}

.sidebar-card h2 {
  margin: 0 0 14px;
  font-family: "Sora", "Avenir Next", sans-serif;
  font-size: 1.14rem;
}

.sidebar-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.sidebar-list a {
  display: block;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: 14px;
  color: var(--muted-strong);
  background: rgba(255, 255, 255, 0.02);
}

.sidebar-list a:hover,
.sidebar-list a:focus-visible {
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.08);
}

.doc-content {
  display: grid;
  gap: 18px;
}

.endpoint-card code,
.doc-intro code,
.api-inline code {
  color: var(--acid);
  font-family: "IBM Plex Mono", Menlo, monospace;
}

.doc-intro {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.02);
}

.doc-intro p {
  margin: 0;
  color: var(--muted-strong);
  line-height: 1.75;
}

.status-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
}

.muted-note {
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.7;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition:
    transform 520ms ease,
    opacity 520ms ease;
}

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

.site-footer {
  padding: 28px 0 44px;
  color: var(--muted);
}

.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

@media (max-width: 1080px) {
  .hero-grid,
  .split-grid,
  .api-layout,
  .doc-layout {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .endpoint-grid,
  .proof-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sidebar-card {
    position: static;
  }
}

@media (max-width: 820px) {
  .site-header {
    position: static;
  }

  .site-header .container {
    flex-wrap: wrap;
    justify-content: center;
    padding: 18px 0;
  }

  .nav,
  .header-actions {
    width: 100%;
    justify-content: center;
  }

  .hero {
    padding-top: 42px;
  }

  .hero-metrics,
  .feature-grid,
  .endpoint-grid,
  .proof-grid {
    grid-template-columns: 1fr;
  }

  .container {
    width: min(var(--max-width), calc(100vw - 28px));
  }
}

@media (max-width: 620px) {
  .brand-copy {
    display: none;
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(2.6rem, 12vw, 4rem);
    max-width: 10ch;
  }

  .hero p,
  .page-hero p {
    font-size: 1rem;
  }

  .api-preview,
  .hero-stage {
    padding: 18px;
  }

  .button {
    width: 100%;
  }

  .cta-row {
    flex-direction: column;
  }
}