@font-face {
  font-family: "Inter";
  src: url("/assets/fonts/Inter-400.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("/assets/fonts/Inter-500.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("/assets/fonts/Inter-600.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("/assets/fonts/Inter-700.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("/assets/fonts/Inter-800.woff2") format("woff2");
  font-style: normal;
  font-weight: 800;
  font-display: swap;
}

:root {
  color-scheme: light;
  --container: 1120px;
  --gutter: 28px;

  --paper: #f6f7f3;
  --paper-soft: #eef2ef;
  --ink: #101114;
  --ink-soft: #405054;
  --muted: #607074;
  --line: rgba(16, 17, 20, 0.14);
  --line-strong: rgba(16, 17, 20, 0.26);
  --surface: rgba(255, 255, 255, 0.78);
  --surface-solid: #ffffff;
  --cyan: #0a9fb2;
  --cyan-bright: #11b7c8;
  --green: #6f9d39;
  --coral: #f05a3b;
  --shadow: 0 24px 80px rgba(16, 17, 20, 0.12);

  --font-display: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-ui: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;

  --space-4: 4px;
  --space-8: 8px;
  --space-12: 12px;
  --space-16: 16px;
  --space-24: 24px;
  --space-32: 32px;
  --space-48: 48px;
  --space-64: 64px;
  --space-96: 96px;

  --radius: 8px;
  --focus: 2px;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --paper: #101114;
    --paper-soft: #171b1f;
    --ink: #f6f7f3;
    --ink-soft: #c5d0d0;
    --muted: #92a0a2;
    --line: rgba(246, 247, 243, 0.16);
    --line-strong: rgba(246, 247, 243, 0.28);
    --surface: rgba(255, 255, 255, 0.06);
    --surface-solid: #171b1f;
    --cyan: #36c7d6;
    --green: #98c761;
    --coral: #ff785f;
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
  }
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-ui);
  font-size: 17px;
  line-height: 1.62;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(16, 17, 20, 0.035) 1px, transparent 1px),
    linear-gradient(0deg, rgba(16, 17, 20, 0.03) 1px, transparent 1px),
    var(--paper);
  background-size: 72px 72px, 72px 72px, auto;
  text-rendering: optimizeLegibility;
  font-feature-settings: "cv11" 1, "ss01" 1;
}

a {
  color: var(--cyan);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--coral);
}

:focus-visible {
  outline: var(--focus) solid var(--cyan-bright);
  outline-offset: 3px;
}

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

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: var(--space-12);
  z-index: 100;
  transform: translateY(-180%);
  background: var(--surface-solid);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-8) var(--space-12);
  text-decoration: none;
}

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

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

.site-main {
  position: relative;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 247, 243, 0.86);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

@media (prefers-color-scheme: dark) {
  .site-header {
    background: rgba(16, 17, 20, 0.86);
  }
}

.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  min-height: 72px;
  padding: var(--space-12) var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-24);
}

.wordmark {
  display: inline-grid;
  grid-template-columns: 40px auto;
  grid-template-rows: auto auto;
  column-gap: var(--space-12);
  align-items: center;
  line-height: 1;
  text-decoration: none;
  color: var(--ink);
}

.wordmark::before {
  content: "";
  grid-row: 1 / 3;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: url("/assets/svg/logo-labs-mark.svg") center / contain no-repeat;
  box-shadow: 0 10px 24px rgba(16, 17, 20, 0.14);
}

.wordmark .line1 {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0;
}

.wordmark .line2 {
  margin-top: 3px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--ink-soft);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 var(--space-12);
  border-radius: var(--radius);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.nav-list a:hover,
.nav-list a[aria-current="page"] {
  background: var(--surface);
  color: var(--ink);
}

.hero {
  padding-top: var(--space-64);
  padding-bottom: var(--space-64);
}

.hero-home {
  position: relative;
  min-height: min(760px, calc(100svh - 96px));
  padding: 0;
  display: grid;
  align-items: center;
  overflow: hidden;
  color: #f6f7f3;
  background: #101114;
}

.hero-home::before,
.hero-home::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-home::before {
  background: url("/assets/img/hero-labs.v1.webp") center / cover no-repeat;
}

.hero-home::after {
  background:
    linear-gradient(90deg, rgba(16, 17, 20, 0.92) 0%, rgba(16, 17, 20, 0.74) 38%, rgba(16, 17, 20, 0.18) 74%),
    linear-gradient(0deg, rgba(16, 17, 20, 0.72) 0%, rgba(16, 17, 20, 0) 42%);
}

.hero-copy {
  position: relative;
  z-index: 1;
  padding-top: var(--space-96);
  padding-bottom: var(--space-96);
}

.eyebrow,
.section-kicker {
  margin: 0 0 var(--space-16);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--muted);
}

.hero-home .eyebrow {
  color: rgba(246, 247, 243, 0.72);
}

h1,
.hero h1 {
  margin: 0;
  max-width: 12ch;
  font-family: var(--font-display);
  font-size: 78px;
  line-height: 0.96;
  letter-spacing: 0;
  font-weight: 800;
  color: var(--ink);
}

.page-intro h1,
.legal-page h1,
.not-found h1 {
  max-width: 900px;
  font-size: 56px;
  line-height: 1.05;
}

.hero-home h1 {
  color: #f6f7f3;
}

.lead {
  margin: var(--space-24) 0 0;
  max-width: 650px;
  font-size: 21px;
  line-height: 1.48;
  color: var(--ink-soft);
}

.hero-home .lead {
  color: rgba(246, 247, 243, 0.82);
}

.hero-actions,
.action-row {
  margin-top: var(--space-32);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-12);
}

.btn-primary,
.link-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 600;
}

.btn-primary {
  padding: 0 18px;
  border: 1px solid var(--cyan-bright);
  background: var(--cyan-bright);
  color: #071114;
  text-decoration: none;
  box-shadow: 0 14px 34px rgba(17, 183, 200, 0.22);
  transition: transform 140ms ease, box-shadow 140ms ease;
}

.btn-primary:hover {
  transform: translateY(-1px);
  color: #071114;
  box-shadow: 0 18px 40px rgba(17, 183, 200, 0.28);
}

.link-secondary {
  padding: 0 4px;
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.hero-home .link-secondary {
  color: #f6f7f3;
}

.section {
  padding-block: var(--space-96);
}

.section-tight {
  padding-top: var(--space-64);
}

h2,
.section-title {
  margin: 0;
  max-width: 760px;
  font-family: var(--font-display);
  font-size: 42px;
  line-height: 1.1;
  letter-spacing: 0;
  font-weight: 800;
  color: var(--ink);
}

.section-lead {
  margin: var(--space-16) 0 0;
  max-width: 720px;
  font-size: 18px;
  color: var(--ink-soft);
}

.cards-grid {
  margin-top: var(--space-32);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-16);
}

.card,
.panel,
.callout {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: none;
}

.card {
  min-height: 176px;
  padding: var(--space-24);
  display: grid;
  align-content: start;
  gap: var(--space-16);
  position: relative;
}

.card::before {
  content: "";
  width: 42px;
  height: 4px;
  border-radius: var(--radius);
  background: var(--cyan);
}

.card:nth-child(2)::before {
  background: var(--green);
}

.card:nth-child(3)::before {
  background: var(--coral);
}

.card-title {
  margin: 0;
  font-family: var(--font-ui);
  font-size: 16px;
  line-height: 1.25;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--ink);
}

.card p,
.card-copy,
.panel p,
.request-block p {
  margin: 0;
  color: var(--ink-soft);
}

.lab-band {
  background: #101114;
  color: #f6f7f3;
}

.lab-band .section-kicker,
.lab-band .section-lead,
.lab-band .card p {
  color: rgba(246, 247, 243, 0.72);
}

.lab-band h2,
.lab-band .card-title {
  color: #f6f7f3;
}

.lab-band .card {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(246, 247, 243, 0.18);
}

.policies-inline {
  margin: var(--space-16) 0 0;
  color: var(--ink-soft);
}

.policies-inline a {
  color: var(--ink);
}

.page-intro {
  padding-top: var(--space-64);
  padding-bottom: var(--space-24);
}

.panel {
  padding: var(--space-24);
}

.contact-list {
  margin: 0;
}

.contact-row {
  display: grid;
  grid-template-columns: minmax(140px, 210px) minmax(0, 1fr);
  gap: var(--space-16);
  padding: var(--space-16) 0;
  border-top: 1px solid var(--line);
}

.contact-row:first-child {
  border-top: 0;
  padding-top: 0;
}

.contact-row dt {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

.contact-row dd {
  margin: 0;
  color: var(--ink-soft);
}

.faq-list {
  margin-top: var(--space-24);
  display: grid;
  gap: var(--space-12);
}

.faq-list details,
.toc-mobile details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: var(--space-16);
}

.faq-list summary,
.toc-mobile summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--ink);
}

.faq-list p {
  margin: var(--space-8) 0 0;
  color: var(--ink-soft);
}

.legal-page {
  padding-top: var(--space-64);
  padding-bottom: var(--space-96);
}

.legal-meta {
  margin-top: var(--space-16);
  color: var(--muted);
  font-size: 14px;
}

.legal-grid {
  margin-top: var(--space-32);
  display: grid;
  grid-template-columns: minmax(0, 72ch) 280px;
  gap: var(--space-48);
  align-items: start;
}

.key-points {
  padding: var(--space-16);
  margin-bottom: var(--space-24);
}

.key-points p {
  margin: 0;
  color: var(--ink-soft);
}

.key-points ul {
  margin: var(--space-12) 0 0;
  padding-left: 1.2rem;
  color: var(--ink-soft);
}

.legal-article h2,
.legal-article h3 {
  font-family: var(--font-ui);
  color: var(--ink);
}

.legal-article h2 {
  margin: 2.2em 0 0.5em;
  font-size: 26px;
  line-height: 1.2;
}

.legal-article h3 {
  margin: 1.6em 0 0.45em;
  font-size: 17px;
  line-height: 1.3;
}

.legal-article p,
.legal-article li {
  margin: 0;
  font-family: var(--font-ui);
  line-height: 1.7;
  color: var(--ink-soft);
}

.legal-article p + p {
  margin-top: 1em;
}

.legal-article ul {
  margin: var(--space-12) 0 0;
  padding-left: 1.2rem;
}

.legal-article li + li {
  margin-top: 0.45em;
}

.callout {
  padding: var(--space-16);
  margin-top: var(--space-24);
}

.callout h3 {
  margin-top: 0;
}

.toc-desktop {
  position: sticky;
  top: 96px;
}

.toc-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: var(--space-16);
}

.toc-title {
  margin: 0 0 var(--space-8);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--muted);
}

.toc-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-8);
}

.toc-list a {
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
}

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

.toc-mobile {
  display: none;
  margin-bottom: var(--space-24);
}

.toc-mobile .toc-list {
  margin-top: var(--space-12);
}

.stack-list {
  margin: var(--space-24) 0 0;
  padding-left: 1.2rem;
  color: var(--ink-soft);
}

.stack-list li + li {
  margin-top: var(--space-12);
}

.request-grid {
  margin-top: var(--space-24);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-16);
}

.request-block {
  padding: var(--space-16);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: var(--space-64) 0 var(--space-32);
  background: rgba(255, 255, 255, 0.36);
}

@media (prefers-color-scheme: dark) {
  .site-footer {
    background: rgba(255, 255, 255, 0.03);
  }
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-16) var(--space-24);
  align-items: center;
}

.meta {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
}

.footer-links a {
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--ink);
  text-decoration: underline;
}

.not-found {
  padding-bottom: var(--space-96);
}

@media (max-width: 980px) {
  :root {
    --gutter: 22px;
  }

  h1,
  .hero h1 {
    font-size: 56px;
  }

  h2,
  .section-title {
    font-size: 34px;
  }

  .hero-home {
    min-height: min(700px, calc(100svh - 88px));
  }

  .section {
    padding-block: var(--space-64);
  }

  .cards-grid,
  .request-grid {
    grid-template-columns: 1fr;
  }

  .legal-page {
    padding-top: var(--space-48);
    padding-bottom: var(--space-64);
  }

  .legal-grid {
    grid-template-columns: 1fr;
    gap: var(--space-24);
  }

  .toc-desktop {
    display: none;
  }

  .toc-mobile {
    display: block;
  }
}

@media (max-width: 680px) {
  :root {
    --gutter: 18px;
  }

  body {
    font-size: 16px;
  }

  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-12);
  }

  .nav-list {
    width: 100%;
    justify-content: space-between;
  }

  .nav-list a {
    padding-inline: var(--space-8);
  }

  .hero-copy {
    width: calc(100% - (var(--gutter) * 2));
    max-width: 340px;
    margin-left: var(--gutter);
    margin-right: auto;
    padding-top: var(--space-64);
    padding-bottom: var(--space-64);
  }

  h1,
  .hero h1 {
    font-size: 44px;
  }

  h2,
  .section-title {
    font-size: 28px;
  }

  .lead {
    font-size: 18px;
  }

  .contact-row {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

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

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