:root {
  color-scheme: light;
  --bg: oklch(0.972 0.01 85);
  --paper: oklch(0.992 0.004 95);
  --panel: oklch(0.945 0.012 82);
  --ink: oklch(0.24 0.028 252);
  --muted: oklch(0.48 0.03 240);
  --line: oklch(0.86 0.018 88);
  --accent: oklch(0.61 0.16 34);
  --accent-soft: oklch(0.83 0.06 38);
  --steel: oklch(0.56 0.05 232);
  --shadow: 0 20px 48px color-mix(in srgb, var(--ink) 12%, transparent);
  --display: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --body: "Aptos", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--bg) 80%, white) 0%, var(--bg) 62%, oklch(0.945 0.01 80) 100%);
  color: var(--ink);
  font-family: var(--body);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--accent-soft) 16%, transparent) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(color-mix(in srgb, var(--ink) 5%, transparent) 1px, transparent 1px) 0 0 / 32px 32px;
  opacity: 0.35;
  mask-image: radial-gradient(circle at center, black 20%, transparent 88%);
}

a {
  color: inherit;
}

code {
  padding: 0.12rem 0.36rem;
  border-radius: 0.4rem;
  background: color-mix(in srgb, var(--panel) 85%, white);
  font-size: 0.92em;
}

.shell {
  width: min(1160px, calc(100% - 2rem));
  margin: 0 auto;
  position: relative;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: color-mix(in srgb, var(--bg) 88%, white);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 74%, white);
}

.header-row,
.footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header-row {
  padding: 1rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand-mark {
  width: 2.65rem;
  height: 2.65rem;
  display: grid;
  place-items: center;
  border-radius: 0.95rem;
  border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--line));
  background:
    radial-gradient(circle at 24% 26%, color-mix(in srgb, var(--accent-soft) 58%, white), transparent 36%),
    linear-gradient(145deg, color-mix(in srgb, var(--paper) 88%, white), color-mix(in srgb, var(--panel) 76%, white));
  box-shadow: var(--shadow);
  font-family: var(--display);
  font-size: 1.22rem;
  font-weight: 700;
}

.brand-copy {
  display: grid;
  gap: 0.12rem;
}

.brand-name {
  font-size: 0.98rem;
  font-weight: 700;
}

.brand-subtitle,
.eyebrow,
.kicker,
.scope-meta {
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brand-subtitle,
.eyebrow,
.kicker,
.scope-meta,
.nav-link,
.page-intro p,
.lede,
.section-heading p,
.card p,
.card li,
.footer-row p,
.footer-links a {
  color: var(--muted);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.65rem;
}

.nav-link {
  text-decoration: none;
  padding: 0.5rem 0.8rem;
  border-radius: 999px;
  transition: color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link[aria-current="page"] {
  color: var(--ink);
  background: color-mix(in srgb, var(--accent-soft) 24%, white);
  transform: translateY(-1px);
}

.hero,
.section-grid,
.legal-layout {
  display: grid;
  gap: clamp(1.4rem, 4vw, 3rem);
}

.hero {
  grid-template-columns: 1.25fr 0.95fr;
  align-items: end;
  padding: clamp(3rem, 6vw, 5.6rem) 0 2.2rem;
}

.eyebrow,
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--steel);
  font-weight: 700;
}

.eyebrow::before,
.kicker::before {
  content: "";
  width: 1.35rem;
  height: 1px;
  background: currentColor;
}

h1,
h2 {
  margin: 0;
  font-family: var(--display);
  line-height: 0.96;
  letter-spacing: -0.03em;
}

.hero h1,
.page-intro h1 {
  margin-top: 0.9rem;
  font-size: clamp(3.3rem, 8vw, 6.4rem);
  max-width: 11ch;
}

.lede {
  margin-top: 1rem;
  font-size: clamp(1.05rem, 1.8vw, 1.28rem);
  max-width: 56ch;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.8rem;
}

.button,
.button-secondary {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  padding: 0.9rem 1.2rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 180ms ease;
}

.button {
  background: var(--ink);
  color: white;
  box-shadow: var(--shadow);
}

.button-secondary {
  background: color-mix(in srgb, var(--paper) 86%, white);
  border: 1px solid color-mix(in srgb, var(--line) 90%, white);
}

.button:hover,
.button-secondary:hover,
.button:focus-visible,
.button-secondary:focus-visible {
  transform: translateY(-2px);
}

.summary-box,
.card,
.toc {
  border: 1px solid color-mix(in srgb, var(--line) 92%, white);
  background: color-mix(in srgb, white 72%, var(--paper));
  box-shadow: var(--shadow);
}

.summary-box {
  position: relative;
  padding: 1.45rem;
}

.summary-box::before {
  content: "Public release";
  position: absolute;
  top: -0.9rem;
  left: 1.35rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: var(--accent);
  color: white;
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.summary-item + .summary-item {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid color-mix(in srgb, var(--line) 82%, white);
}

.summary-label {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.summary-value {
  margin-top: 0.25rem;
  font-weight: 700;
}

.section {
  padding: clamp(2.2rem, 5vw, 4.2rem) 0;
  border-top: 1px solid color-mix(in srgb, var(--line) 74%, white);
}

.section-grid {
  grid-template-columns: 0.68fr 1.32fr;
}

.section-heading h2 {
  margin-top: 0.85rem;
  font-size: clamp(2rem, 4.4vw, 3.2rem);
}

.feature-list,
.scope-list,
.link-list,
.toc ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-list,
.scope-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.link-list {
  display: grid;
  gap: 0.9rem;
}

.card {
  padding: 1.15rem;
}

.card strong,
.link-list span:first-child {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 1rem;
}

.card p,
.card ul,
.card ol {
  margin: 0.7rem 0 0;
}

.card ul,
.card ol {
  padding-left: 1.2rem;
}

.card li + li {
  margin-top: 0.35rem;
}

.scope-meta {
  display: inline-flex;
  margin-bottom: 0.45rem;
  color: var(--steel);
  font-weight: 700;
}

.note {
  margin-top: 1rem;
  padding: 1rem 1.15rem;
  border-left: 4px solid var(--accent);
  background: color-mix(in srgb, var(--accent-soft) 18%, white);
}

.note strong {
  display: block;
  margin-bottom: 0.25rem;
}

.link-list a {
  text-decoration: none;
}

.page-intro {
  padding: clamp(2.6rem, 6vw, 4.8rem) 0 2rem;
  max-width: 60rem;
}

.legal-layout {
  grid-template-columns: minmax(0, 17rem) minmax(0, 1fr);
  padding-bottom: 4rem;
}

.toc {
  position: sticky;
  top: 5.3rem;
  align-self: start;
  padding: 1.2rem;
}

.toc ul {
  display: grid;
  gap: 0.55rem;
  margin-top: 1rem;
}

.toc a {
  text-decoration: none;
  color: var(--muted);
}

.toc a:hover,
.toc a:focus-visible {
  color: var(--ink);
}

.legal-stack {
  display: grid;
  gap: 1rem;
}

.site-footer {
  border-top: 1px solid color-mix(in srgb, var(--line) 74%, white);
  padding: 1.25rem 0 2rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-links a {
  text-decoration: none;
}

@media (max-width: 920px) {
  .hero,
  .section-grid,
  .feature-list,
  .scope-list,
  .legal-layout {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 1.2rem, 100%);
  }

  .header-row,
  .footer-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    justify-content: flex-start;
  }

  .hero h1,
  .page-intro h1 {
    max-width: 10ch;
  }
}