@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/assets/fonts/inter.woff2") format("woff2");
}

:root {
  color-scheme: light dark;
  --colour-background: #f4f6fb;
  --colour-surface: #ffffff;
  --colour-surface-raised: #ffffff;
  --colour-hover: #eef1f8;
  --colour-border: #e1e5ee;
  --colour-border-strong: #c9cfdc;
  --colour-text: #0d1220;
  --colour-muted: #5b6478;
  --colour-accent: #0050b9;
  --colour-accent-strong: #003f93;
  --colour-accent-soft: rgb(0 80 185 / 9%);
  --colour-on-accent: #ffffff;
  --shadow-raised: 0 12px 32px rgb(13 18 32 / 14%);
  --radius: 10px;
  --radius-small: 6px;
  --content-width: 72rem;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --colour-background: #090b10;
    --colour-surface: #11141b;
    --colour-surface-raised: #171b24;
    --colour-hover: #1d2230;
    --colour-border: #222835;
    --colour-border-strong: #333b4d;
    --colour-text: #eef0f5;
    --colour-muted: #969fb3;
    --colour-accent: #6e88ff;
    --colour-accent-strong: #93a6ff;
    --colour-accent-soft: rgb(110 136 255 / 13%);
    --colour-on-accent: #090b10;
    --shadow-raised: 0 16px 40px rgb(0 0 0 / 50%);
  }
}

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

html {
  scroll-padding-top: 24px;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  background: var(--colour-background);
  color: var(--colour-text);
  font: 16px/1.6 var(--font-body);
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
}

main {
  flex: 1 0 auto;
}

a {
  color: var(--colour-accent);
}

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

code {
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--colour-accent-soft);
  font-family: var(--font-mono);
  font-size: 0.86em;
}

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

.site-header {
  border-bottom: 1px solid var(--colour-border);
  background: var(--colour-surface);
}

.site-header--plain {
  border-bottom-color: transparent;
  background: transparent;
}

.site-header__inner,
.site-header__tabs,
.site-footer__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  padding-inline: 16px;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 76px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.wordmark__mark {
  width: 40px;
  height: 40px;
}

.wordmark__name {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.wordmark__title {
  font-size: 1.22rem;
  font-weight: 850;
  letter-spacing: 0.1em;
}

.wordmark__subtitle {
  margin-top: 3px;
  color: var(--colour-muted);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.4em;
}

.tab-nav__list {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: none;
}

.tab-nav__link {
  display: block;
  padding: 10px 14px 12px;
  border-bottom: 2px solid transparent;
  color: var(--colour-muted);
  font-size: 0.94rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.tab-nav__link:hover {
  color: var(--colour-text);
}

.tab-nav__link--current {
  border-bottom-color: var(--colour-accent);
  color: var(--colour-text);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font: inherit;
  font-weight: 650;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s, border-color 0.15s;
}

.button--primary {
  background: var(--colour-accent);
  color: var(--colour-on-accent);
}

.button--primary:hover {
  background: var(--colour-accent-strong);
}

.button--secondary {
  border-color: var(--colour-border);
  background: var(--colour-surface);
  color: var(--colour-text);
}

.button--secondary:hover {
  border-color: var(--colour-border-strong);
  background: var(--colour-hover);
}

.button--small {
  min-height: 36px;
  padding: 0 14px;
  font-size: 0.9rem;
}

.button--large {
  min-height: 52px;
  padding: 0 28px;
  font-size: 1.05rem;
}

.button__icon {
  flex: none;
}

.landing {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 16px 80px;
  text-align: center;
}

.landing__logo {
  width: clamp(144px, 30vw, 208px);
  height: auto;
  margin-bottom: 28px;
}

.landing__title {
  margin: 0;
  font-size: clamp(2.4rem, 8.5vw, 4.4rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.03em;
}

.landing__accent {
  color: var(--colour-accent);
}

.landing__lead {
  max-width: 30rem;
  margin: 16px 0 32px;
  color: var(--colour-muted);
  font-size: 1.1rem;
}

.landing__error {
  max-width: 28rem;
  margin: 0 0 24px;
  padding: 10px 16px;
  border: 1px solid rgb(220 60 60 / 45%);
  border-radius: var(--radius);
  background: rgb(220 60 60 / 10%);
}

.document {
  width: 100%;
  max-width: 44rem;
  margin: 0 auto;
  padding: 56px 16px 32px;
}

.document__title {
  margin: 0 0 4px;
  font-size: clamp(1.9rem, 5vw, 2.4rem);
  font-weight: 800;
  line-height: 1.15;
}

.document__updated {
  margin: 0 0 36px;
  color: var(--colour-muted);
}

.document h2 {
  margin: 32px 0 8px;
  font-size: 1.15rem;
  font-weight: 700;
}

.document p,
.document li {
  color: var(--colour-text);
}

.document ul {
  padding-left: 1.2rem;
}

.document li + li {
  margin-top: 6px;
}

.site-footer {
  margin-top: 48px;
  border-top: 1px solid var(--colour-border);
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding-block: 24px;
  color: var(--colour-muted);
  font-size: 0.9rem;
}

.site-footer__copy {
  margin: 0;
  font-weight: 600;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-footer__links a {
  color: inherit;
  text-decoration: none;
}

.site-footer__links a:hover {
  color: var(--colour-text);
  text-decoration: underline;
}

.cookie-banner {
  position: fixed;
  inset: auto 16px 16px;
  z-index: 30;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  max-width: 40rem;
  margin: 0 auto;
  padding: 16px 20px;
  border: 1px solid var(--colour-border);
  border-radius: var(--radius);
  background: var(--colour-surface-raised);
  box-shadow: var(--shadow-raised);
}

.cookie-banner[hidden] {
  display: none;
}

.cookie-banner__text {
  flex: 1 1 18rem;
  margin: 0;
  font-size: 0.92rem;
}