/**
 * Yorsh — shared base stylesheet.
 *
 * The build concatenates this file ahead of each app's `assets/css/site.css`
 * into `/assets/css/styles.css`, so every page loads a single same-origin
 * stylesheet. Inline styles are deliberately avoided so the sites can be served
 * under a `style-src 'self'` Content Security Policy (see each app's
 * `_headers`).
 *
 * Each colour token pairs its light and dark value in a single `light-dark()`
 * declaration, so no colour is written twice and the two palettes cannot drift
 * apart. Which half applies is decided entirely by the used `color-scheme`,
 * which makes a theme switch a one-property change on `:root`.
 *
 * Brand changes start here, alongside `docs/branding.md`.
 */

:root {
  color-scheme: light dark;

  --brand: light-dark(#276182, #7ab0d0);
  --accent: light-dark(#823437, #d99a9c);
  --accent-strong: light-dark(#6a2a2d, #e8b3b5);

  --bg: light-dark(#f8fafb, #0f1720);
  --surface: light-dark(#ffffff, #16202b);
  --text: light-dark(#1c2429, #e6edf3);
  --muted: light-dark(#5a6670, #9aa9b5);
  --border: light-dark(#e2e8ec, #26323f);
  --on-solid: light-dark(#ffffff, #0f1720);

  --page-width: 62rem;
  --measure: 68ch;
  --radius: 0.5rem;

  --font-sans:
    system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* A stored preference pins `color-scheme`, which re-resolves every
   `light-dark()` above and switches native scrollbars and form controls to
   match. No attribute means no preference, and `light dark` follows the OS. */
:root[data-theme="light"] {
  color-scheme: light;
}

:root[data-theme="dark"] {
  color-scheme: dark;
}

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

a {
  color: var(--brand);
  text-decoration-color: color-mix(in srgb, var(--brand) 40%, transparent);
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--accent);
  text-decoration-color: currentColor;
}

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

img {
  max-width: 100%;
  height: auto;
}

/* Layout ------------------------------------------------------------------ */

.container {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 0.75rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  z-index: 10;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

/* Text carried for screen readers only, where the visual design already conveys
   the same thing by other means. */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

section {
  margin-top: 3rem;
}

/* Header ------------------------------------------------------------------ */

.site-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.site-header__mark {
  display: block;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius);
}

/* `margin-right: auto` pushes whatever follows the name — the language
   switcher and theme control, or the control alone where a site has no
   switcher — to the far end of the header flex row. */
.site-header__name {
  margin-right: auto;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text);
  text-decoration: none;
}

.site-header__name:hover {
  color: var(--brand);
}

/* Height matches the theme control's, so the header never shifts. */
.lang-switch {
  display: inline-flex;
  align-items: center;
  height: 2.25rem;
  padding: 0 0.75rem;
  color: var(--muted);
  font-size: 0.875rem;
  text-decoration: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.lang-switch:hover {
  color: var(--brand);
  border-color: var(--brand);
}

/* The square matches the height of `.site-header__mark`, and every glyph is the
   same size, so the header never shifts as the theme cycles. */
.theme-toggle {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
}

/* `display` above outranks the user agent's `[hidden] { display: none }`, which
   would otherwise leave a dead control on the page for readers without
   JavaScript — `theme.js` is what clears the attribute. */
.theme-toggle[hidden] {
  display: none;
}

.theme-toggle:hover {
  color: var(--brand);
  border-color: var(--brand);
}

/* Stroke and size live here rather than on the elements, so the three glyphs
   cannot drift apart across the seven pages that repeat this markup.
   `currentColor` is what lets them inherit the hover colour above. */
.theme-toggle__icon {
  display: none;
  width: 1.125rem;
  height: 1.125rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Which glyph shows is a function of `data-theme` alone — absent means System —
   so the icon follows the palette without the script touching it. */
.theme-toggle__icon--system,
:root[data-theme="light"] .theme-toggle__icon--light,
:root[data-theme="dark"] .theme-toggle__icon--dark {
  display: block;
}

:root[data-theme] .theme-toggle__icon--system {
  display: none;
}

/* Hero -------------------------------------------------------------------- */

.hero {
  margin-top: 3.5rem;
  text-align: center;
}

.hero__logo {
  width: 5.5rem;
  height: 5.5rem;
  border-radius: 1rem;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-size: clamp(2.25rem, 6vw, 3.25rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
}

.hero__tagline {
  max-width: 34ch;
  margin: 0 auto 2rem;
  font-size: clamp(1.05rem, 2.5vw, 1.3rem);
  color: var(--muted);
  text-wrap: balance;
}

/* Headings ---------------------------------------------------------------- */

h2 {
  position: relative;
  font-size: 1.375rem;
  letter-spacing: -0.01em;
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

/* Accent segment overlaying the left end of the heading rule. */
h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 2.5rem;
  height: 2px;
  background: var(--accent);
}

/* Clause headings nested under a part heading. No rule or accent, so the
   two levels stay visually distinct. */
h3 {
  font-size: 1.0625rem;
  letter-spacing: -0.005em;
  margin: 2rem 0 0.5rem;
}

/* Buttons ----------------------------------------------------------------- */

.btn {
  display: inline-block;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius);
  font-weight: 600;
  text-decoration: none;
}

/* The accent carries the primary call to action, against the brand-teal page. */
.btn--primary {
  background: var(--accent);
  color: var(--on-solid);
}

.btn--primary:hover {
  background: var(--accent-strong);
  color: var(--on-solid);
}

/* Services ---------------------------------------------------------------- */

.services {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
}

.services li {
  padding: 0.875rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius);
}

/* Contact ----------------------------------------------------------------- */

.profiles {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin: 1.5rem 0 0;
  padding: 0;
}

/* Legal pages ------------------------------------------------------------- */

.page-title {
  margin: 2.5rem 0 0.25rem;
  font-size: clamp(1.75rem, 5vw, 2.25rem);
  letter-spacing: -0.02em;
}

.updated {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.legal ul {
  max-width: var(--measure);
  padding-left: 1.25rem;
}

.legal li {
  margin-bottom: 0.375rem;
}

/* Footer ------------------------------------------------------------------ */

.site-footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.875rem;
  color: var(--muted);
  text-align: center;
}

.site-footer p {
  max-width: none;
  margin: 0.5rem 0;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.25rem;
  margin-bottom: 1rem;
}

/* Error page -------------------------------------------------------------- */

.error {
  margin-top: 5rem;
  text-align: center;
}

.error p {
  margin: 0 auto 2rem;
  color: var(--muted);
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}