:root {
  color-scheme: dark;
  --bg: #0b0d10;
  --surface: #101318;
  --surface-2: #14181e;
  --surface-raised: #171c22;
  --border: #1e242c;
  --border-hi: #2d3742;
  --text: #e6e8eb;
  --muted: #8b949e;
  --dim: #5c6570;
  --faint: #39414c;
  --accent: #4ade80;
  --accent-dim: #22c55e;
  --accent-ink: #04170b;
  --amber: #fbbf24;
  --danger: #ff7b72;
  --purple: #c4a7ff;
  --blue: #79c0ff;
  --mono: "JetBrains Mono", "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --max: 1120px;
  --content: 840px;
  --gutter: 32px;
  --nav-height: 60px;
  --shadow: 0 24px 64px rgb(0 0 0 / 32%);
}

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

* {
  margin: 0;
  padding: 0;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 24px);
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
}

body {
  min-width: 320px;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 84% -14%, rgb(74 222 128 / 8%), transparent 31rem),
    radial-gradient(circle at -12% 40%, rgb(251 191 36 / 3%), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  position: fixed;
  z-index: 0;
  inset: 0;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgb(255 255 255 / 1.4%) 1px, transparent 1px),
    linear-gradient(90deg, rgb(255 255 255 / 0.7%) 1px, transparent 1px);
  background-size: 100% 3px, 64px 64px;
  mask-image: linear-gradient(to bottom, black, transparent 74%);
}

header,
main,
footer {
  position: relative;
  z-index: 1;
}

body,
button,
input,
textarea,
select {
  font: inherit;
}

h1,
h2,
h3,
h4 {
  color: var(--text);
  font-family: var(--mono);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.14;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.8rem, 7vw, 5.25rem);
  letter-spacing: -0.065em;
  line-height: 1.02;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
}

h3 {
  font-size: 1.08rem;
}

p {
  color: var(--muted);
  text-wrap: pretty;
}

strong {
  color: var(--text);
  font-weight: 650;
}

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

ul,
ol {
  list-style: none;
}

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

::selection {
  background: var(--accent);
  color: var(--accent-ink);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  transform: translateY(-180%);
  padding: 9px 14px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  transition: transform 140ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.wrap {
  width: min(calc(100% - (var(--gutter) * 2)), var(--max));
  margin-inline: auto;
}

.site-nav {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid var(--border);
  background: rgb(11 13 16 / 88%);
  backdrop-filter: blur(12px);
}

.nav-inner {
  display: flex;
  align-items: center;
  min-height: var(--nav-height);
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.04em;
}

.brand img {
  display: block;
  width: 30px;
  height: 30px;
  border-radius: 9px;
}

.brand b,
.brand i {
  color: var(--accent);
  font-style: normal;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.75rem;
}

.nav-links a,
.footer-links a {
  color: var(--muted);
  transition: color 150ms ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"],
.footer-links a:hover {
  color: var(--accent);
}

.language-switch {
  display: inline-flex;
  border: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.68rem;
}

.language-switch a {
  padding: 5px 8px;
  color: var(--dim);
}

.language-switch a + a {
  border-left: 1px solid var(--border);
}

.language-switch a.active {
  background: var(--accent);
  color: var(--accent-ink);
}

.hero {
  padding-block: 86px 92px;
}

.status-line {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 28px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.74rem;
}

.status-dot {
  width: 7px;
  height: 7px;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgb(74 222 128 / 18%);
  animation: pulse 2.4s ease-in-out infinite;
}

.prompt {
  margin-bottom: 24px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.prompt .path {
  color: var(--muted);
}

.prompt .sigil {
  margin-inline: 7px;
  color: var(--accent);
}

.hero h1 {
  max-width: 950px;
  margin-bottom: 28px;
}

.hero h1 em {
  color: var(--accent);
  font-style: normal;
}

.cursor {
  display: inline-block;
  width: 0.52em;
  height: 1em;
  margin-left: 0.14em;
  background: var(--accent);
  vertical-align: -0.13em;
  animation: blink 1.1s steps(1) infinite;
}

.hero-lede {
  max-width: 66ch;
  margin-bottom: 34px;
  font-size: clamp(1rem, 1.8vw, 1.1rem);
  line-height: 1.8;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 54px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 18px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 700;
  transition: 150ms ease;
}

.button:hover {
  border-color: var(--accent-dim);
  background: var(--accent-dim);
  transform: translateY(-1px);
}

.button--ghost {
  border-color: var(--border-hi);
  background: transparent;
  color: var(--text);
}

.button--ghost:hover {
  border-color: var(--accent);
  background: transparent;
  color: var(--accent);
}

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

.terminal-bar {
  display: flex;
  align-items: center;
  min-height: 38px;
  gap: 7px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}

.terminal-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
}

.terminal-dot:nth-child(1) { background: #ff5f57; }
.terminal-dot:nth-child(2) { background: #febc2e; }
.terminal-dot:nth-child(3) { background: #28c840; }

.terminal-title {
  margin-left: 6px;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.67rem;
}

.terminal-body {
  overflow-x: auto;
  padding: 22px;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.9;
}

.terminal-row {
  display: block;
  min-width: max-content;
  white-space: pre;
}

.ln {
  display: inline-block;
  width: 30px;
  color: var(--faint);
  user-select: none;
}

.syn-keyword { color: var(--danger); }
.syn-name { color: var(--blue); }
.syn-string { color: #a5d6a7; }
.syn-comment { color: var(--dim); }
.syn-accent { color: var(--accent); }
.syn-purple { color: var(--purple); }

.section {
  padding-block: 92px;
  border-top: 1px solid var(--border);
  scroll-margin-top: var(--nav-height);
}

.section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 42px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-index {
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.section-rule {
  flex: 1;
  height: 1px;
  background: var(--border);
}

.section-intro {
  max-width: 720px;
  margin-bottom: 42px;
}

.section-intro h2 {
  margin-bottom: 18px;
}

.section-intro p {
  max-width: 66ch;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
}

.feature {
  min-height: 230px;
  padding: 28px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgb(16 19 24 / 72%);
  transition: background 150ms ease, border-color 150ms ease;
}

.feature:hover {
  background: var(--surface-2);
}

.feature-code {
  display: block;
  margin-bottom: 28px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.feature h3 {
  margin-bottom: 12px;
}

.feature p {
  font-size: 0.92rem;
}

.workflow {
  border-top: 1px solid var(--border);
}

.workflow-row {
  display: grid;
  grid-template-columns: 80px minmax(180px, 0.65fr) 1.35fr;
  gap: 24px;
  align-items: start;
  padding: 26px 0;
  border-bottom: 1px solid var(--border);
}

.workflow-row .number {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.75rem;
}

.workflow-row p {
  max-width: 62ch;
}

.data-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(360px, 1.15fr);
  gap: 52px;
  align-items: start;
}

.data-list {
  border-top: 1px solid var(--border);
}

.data-list li {
  position: relative;
  padding: 16px 0 16px 22px;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
}

.data-list li::before {
  position: absolute;
  top: 17px;
  left: 0;
  color: var(--accent);
  font-family: var(--mono);
  content: ">";
}

.contact-block {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  padding: 36px;
  border: 1px solid var(--border-hi);
  background: linear-gradient(145deg, rgb(20 24 30 / 92%), rgb(16 19 24 / 92%));
}

.contact-block h2 {
  margin-bottom: 12px;
}

.contact-block p {
  max-width: 58ch;
}

.legal-main {
  width: min(calc(100% - (var(--gutter) * 2)), var(--content));
  margin-inline: auto;
  padding-block: 72px 100px;
}

.legal-kicker {
  margin-bottom: 18px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.legal-header {
  padding-bottom: 42px;
  border-bottom: 1px solid var(--border);
}

.legal-header h1 {
  margin-bottom: 18px;
  font-size: clamp(2.6rem, 7vw, 4.8rem);
}

.legal-meta {
  font-family: var(--mono);
  font-size: 0.73rem;
}

.legal-content {
  padding-top: 10px;
}

.legal-content section {
  padding-block: 38px;
  border-bottom: 1px solid var(--border);
}

.legal-content h2 {
  margin-bottom: 16px;
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.legal-content h3 {
  margin: 30px 0 10px;
}

.legal-content p + p {
  margin-top: 16px;
}

.legal-content ul {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.legal-content li {
  position: relative;
  padding-left: 22px;
  color: var(--muted);
}

.legal-content li::before {
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--mono);
  content: "-";
}

.legal-content a,
.inline-link {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: rgb(74 222 128 / 42%);
  text-underline-offset: 0.2em;
}

.policy-notice {
  margin-top: 22px;
  padding: 20px;
  border: 1px solid rgb(74 222 128 / 26%);
  background: rgb(74 222 128 / 5%);
  color: var(--muted);
}

.site-footer {
  padding-block: 38px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
}

.footer-copy {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.footer-copy strong {
  color: var(--accent);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
  font-family: var(--mono);
  font-size: 0.72rem;
}

@keyframes blink {
  50% { opacity: 0; }
}

@keyframes pulse {
  50% { box-shadow: 0 0 0 7px rgb(74 222 128 / 0%); }
}

@media (max-width: 860px) {
  :root {
    --gutter: 20px;
    --nav-height: 56px;
  }

  .nav-inner {
    flex-wrap: wrap;
    gap: 8px 16px;
    padding-block: 9px;
  }

  .nav-links {
    order: 3;
    width: 100%;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: none;
  }

  .nav-links::-webkit-scrollbar { display: none; }
  .nav-links a { white-space: nowrap; }
  .language-switch { margin-left: auto; }

  .hero { padding-block: 58px 68px; }
  .section { padding-block: 70px; }

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

  .feature {
    min-height: auto;
  }

  .workflow-row {
    grid-template-columns: 48px 1fr;
  }

  .workflow-row p {
    grid-column: 2;
  }

  .data-layout {
    grid-template-columns: 1fr;
  }

  .contact-block {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  :root { --gutter: 16px; }
  .nav-links { display: none; }
  .nav-inner { min-height: var(--nav-height); }
  .hero { padding-top: 46px; }
  .button { width: 100%; }
  .terminal-body { padding: 16px 12px; font-size: 0.7rem; }
  .section-head { gap: 9px; letter-spacing: 0.11em; }
  .workflow-row { grid-template-columns: 36px 1fr; gap: 12px; }
  .contact-block { padding: 24px; }
  .footer-inner { flex-direction: column; }
  .footer-links { justify-content: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}