/* The one stylesheet for ucrypto.co. Colours and type come only from the tokens in :root,
   which are the design tokens in docs/design/README.md (UX-001). Every text colour here is
   checked for contrast by tests/integration/web/site.test.ts (UX-002). */

@font-face {
  font-family: 'Geist';
  src: url('fonts/Geist-Variable.woff2') format('woff2');
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: 'Geist Mono';
  src: url('fonts/GeistMono-Variable.woff2') format('woff2');
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --color-deep-teal: #0e3b3d;
  --color-action-teal: #1f6f6b;
  --color-mint: #9fd3c4;
  --color-ink: #0f1f20;
  --color-text-secondary: #4b5b5c;
  --color-caption: #5f6d6d;
  --color-canvas: #eceeed;
  --color-band: #eef2f1;
  --color-white: #ffffff;
  --color-tint: #e4f2ee;
  --color-critical: #b3261e;
  --color-warning: #8a5a00;
  --color-good: #1f6f6b;
  --font-sans: 'Geist', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  line-height: 1.5;
  color: var(--color-ink);
  background-color: var(--color-canvas);
}

a {
  color: var(--color-action-teal);
}

a:focus-visible {
  outline: 2px solid var(--color-action-teal);
  outline-offset: 2px;
}

code {
  font-family: var(--font-mono);
}

.skip-link {
  position: absolute;
  left: -999px;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  padding: 0.5rem 1rem;
  color: var(--color-white);
  background-color: var(--color-deep-teal);
}

.site-header,
.site-footer,
main {
  padding: 1rem 4rem;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-canvas);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 1.1rem;
  text-decoration: none;
  color: var(--color-ink);
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 0.35rem;
  font-weight: 700;
  color: var(--color-mint);
  background-color: var(--color-deep-teal);
}

.audience-switch {
  display: flex;
  gap: 0.25rem;
  padding: 0.2rem;
  border-radius: 0.5rem;
  background-color: var(--color-band);
}

.audience-switch a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.3rem 0.75rem;
  border-radius: 0.35rem;
  text-decoration: none;
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  background-color: var(--color-band);
}

.audience-switch a[aria-current='page'] {
  color: var(--color-ink);
  background-color: var(--color-white);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  margin-left: auto;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  text-decoration: none;
  color: var(--color-text-secondary);
}

.site-nav a[aria-current='page']:not(.button-primary) {
  color: var(--color-ink);
  text-decoration: underline;
}

.site-nav .button-primary {
  color: var(--color-white);
  background-color: var(--color-deep-teal);
}

.button-primary {
  display: inline-block;
  padding: 0.6rem 1rem;
  border-radius: 0.4rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-white);
  background-color: var(--color-deep-teal);
}

.button-primary:hover {
  color: var(--color-white);
  background-color: var(--color-action-teal);
}

main {
  min-height: 60vh;
  padding-top: 3rem;
  padding-bottom: 3rem;
  background-color: var(--color-white);
}

h1,
h2,
h3 {
  color: var(--color-deep-teal);
  line-height: 1.15;
}

.lede {
  max-width: 40rem;
  font-size: 1.1rem;
  color: var(--color-text-secondary);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  padding-top: 2rem;
  padding-bottom: 2rem;
  background-color: var(--color-band);
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.site-footer nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--color-text-secondary);
}

.site-footer small {
  margin-left: auto;
  color: var(--color-caption);
}

.button-secondary {
  display: inline-block;
  padding: 0.6rem 1rem;
  border: 1px solid var(--color-canvas);
  border-radius: 0.4rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-ink);
  background-color: var(--color-white);
}

/* The home page (SCR-WEB-01). */

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 26rem);
  gap: 3rem;
  align-items: center;
}

.hero h1 {
  margin: 0.5rem 0 1rem;
  font-size: clamp(2.5rem, 6vw, 4rem);
  letter-spacing: -0.02em;
}

.hero h1 span {
  display: block;
}

.eyebrow {
  display: inline-block;
  margin: 0;
  padding: 0.15rem 0.6rem;
  border-radius: 1rem;
  font-size: 0.85rem;
  color: var(--color-action-teal);
  background-color: var(--color-tint);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.preview {
  display: grid;
  gap: 1rem;
  margin: 0;
}

.preview-card {
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--color-canvas);
  border-radius: 0.75rem;
  color: var(--color-text-secondary);
  background-color: var(--color-white);
}

.preview-card p {
  margin: 0 0 0.5rem;
}

.preview-checkout {
  margin-right: 4rem;
}

.preview-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-caption);
}

.preview-card .preview-amount {
  font-size: 1.5rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
}

.badge {
  padding: 0.1rem 0.5rem;
  border-radius: 1rem;
  font-size: 0.85rem;
  color: var(--color-good);
  background-color: var(--color-tint);
}

.preview-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.preview-table caption {
  text-align: left;
  font-size: 0.8rem;
  color: var(--color-caption);
}

.preview-table th {
  padding: 0.4rem 0;
  text-align: left;
  font-weight: 400;
  border-top: 1px solid var(--color-canvas);
}

.preview-table td {
  text-align: right;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  border-top: 1px solid var(--color-canvas);
  color: var(--color-ink);
}

.preview figcaption {
  font-size: 0.8rem;
  color: var(--color-caption);
}

.steps,
.next {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-canvas);
}

.steps ol,
.next ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 2rem;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
}

.steps li::before {
  content: '0' counter(step);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--color-action-teal);
}

.steps h3 {
  margin: 0.5rem 0;
  color: var(--color-ink);
}

.steps p,
.next p {
  margin: 0.25rem 0 0;
  color: var(--color-text-secondary);
}

.next a {
  font-weight: 600;
}

/* The merchant page (SCR-WEB-02). */

.code-sample {
  margin: 0;
}

.code-sample pre {
  margin: 0;
  padding: 1.5rem;
  overflow-x: auto;
  border-radius: 0.75rem;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--color-mint);
  background-color: var(--color-deep-teal);
}

.code-sample figcaption {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-caption);
}

.features {
  margin-top: 3rem;
}

.features ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.features li {
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--color-canvas);
  border-radius: 0.75rem;
  color: var(--color-text-secondary);
  background-color: var(--color-white);
}

.features h3 {
  margin: 0 0 0.5rem;
  color: var(--color-ink);
}

.features p {
  margin: 0;
}

/* The pricing page (SCR-WEB-03), written by scripts/build-web.mjs. */

.pricing h1 {
  margin: 0.75rem 0 1rem;
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.02em;
}

.draft-notice {
  max-width: 40rem;
  padding: 0.75rem 1rem;
  border-left: 4px solid var(--color-warning);
  color: var(--color-warning);
  background-color: var(--color-band);
}

.fee-table {
  width: 100%;
  max-width: 44rem;
  margin: 2rem 0;
  border-collapse: collapse;
  background-color: var(--color-white);
}

.fee-table caption {
  padding-bottom: 0.5rem;
  text-align: left;
  font-size: 0.85rem;
  color: var(--color-caption);
}

.fee-table th,
.fee-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-top: 1px solid var(--color-canvas);
}

.fee-table thead th {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--color-caption);
}

.fee-table thead th:nth-child(2) {
  text-align: right;
}

.fee-table tbody th {
  font-weight: 400;
  color: var(--color-ink);
}

.fee-table .fee {
  text-align: right;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.placeholder {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-caption);
}

/* The become a merchant page (SCR-WEB-04). */

.needs {
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--color-canvas);
  border-radius: 0.75rem;
  background-color: var(--color-white);
}

.needs h2 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  color: var(--color-ink);
}

.needs ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--color-canvas);
  border-radius: 0.5rem;
}

.needs li {
  padding: 0.75rem 1rem;
  color: var(--color-ink);
}

.needs li + li {
  border-top: 1px solid var(--color-canvas);
}

.note {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

/* The legal pages (SCR-WEB-06) and the cookie choice notice (WEB-009). */

.legal h2,
.legal p,
.legal ul,
.legal ol {
  max-width: 44rem;
}

.legal h2 {
  margin-top: 2rem;
}

.consent {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  max-width: 44rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--color-deep-teal);
  border-radius: 0.75rem;
  color: var(--color-ink);
  background-color: var(--color-white);
}

.consent p {
  flex: 1 1 18rem;
  margin: 0;
}

.consent button {
  font: inherit;
  cursor: pointer;
}

/* The pre-launch notice under the header on every page. */
.prelaunch {
  margin: 0;
  padding: 0.6rem 4rem;
  font-size: 0.9rem;
  color: var(--color-ink);
  background-color: var(--color-tint);
}

pre {
  max-width: 100%;
  overflow-x: auto;
}

@media (max-width: 48rem) {
  .hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .fee-table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
  }

  .prelaunch {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .preview-checkout {
    margin-right: 0;
  }

  .site-header,
  .site-footer,
  main {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .site-nav {
    margin-left: 0;
  }
}