/* Base styles for public pages: reset, typography, layout primitives, header/footer.
   Component styles live in components.css; every value comes from tokens.css. */

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

html {
  -webkit-text-size-adjust: 100%;
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--fs-1);
  line-height: var(--lh-body);
  font-size-adjust: from-font;
  -webkit-font-smoothing: antialiased;
}

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

h1,
h2,
h3,
h4,
p,
ul,
ol,
figure {
  margin: 0;
}

h1,
h2,
h3,
h4 {
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-tight);
  text-wrap: balance;
}

h1 {
  font-size: var(--fs-4);
  font-weight: 700;
}

h2 {
  font-size: var(--fs-3);
  font-weight: 600;
}

h3 {
  font-size: var(--fs-2);
  font-weight: 600;
}

p,
li {
  text-wrap: pretty;
}

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.15em;
  transition: color var(--dur-1) var(--ease);
}

a:hover {
  color: var(--color-primary-strong);
}

small,
.small {
  font-size: var(--fs-0);
}

.eyebrow {
  font-size: var(--fs-0);
  font-weight: 600;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-muted);
}

.lede {
  font-size: var(--fs-2);
  color: var(--color-text-2);
  max-width: 60ch;
}

.muted {
  color: var(--color-muted);
}

.prose {
  max-width: 65ch;
}

.prose > * + * {
  margin-block-start: var(--space-4);
}

.prose :is(h2, h3) {
  margin-block-start: var(--space-6);
}

.prose :is(ul, ol) {
  padding-inline-start: 1.25em;
}

.prose li + li {
  margin-block-start: var(--space-1);
}

.prose table {
  width: 100%;
  border-collapse: collapse;
}

.prose :is(th, td) {
  text-align: start;
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--color-line);
}

/* Numbers and registry identifiers (licence, TRN, file numbers) */
.num {
  font-variant-numeric: tabular-nums;
}

.reg {
  font-family: var(--font-mono);
  font-size: 0.9em;
  letter-spacing: 0.02em;
  padding: 0.1em 0.45em;
  border-radius: 4px;
  background: var(--color-bg-2);
  color: var(--color-text-2);
  white-space: nowrap;
}

::selection {
  background: var(--color-accent);
  color: var(--ink-900);
}

:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: 4px;
}

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

.container {
  width: 100%;
  max-width: var(--measure-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container--form {
  max-width: var(--measure-form);
}

.stack > * + * {
  margin-block-start: var(--space-4);
}

.stack--tight > * + * {
  margin-block-start: var(--space-2);
}

.stack--loose > * + * {
  margin-block-start: var(--space-6);
}

.cluster {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
  align-items: center;
}

.cluster--between {
  justify-content: space-between;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  inset-block-start: var(--space-2);
  inset-inline-start: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-ink-surface);
  color: var(--color-on-ink);
  border-radius: var(--radius-control);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: none;
  z-index: 10;
}

/* ---- Header & footer ----------------------------------------------------------------- */

.site-header {
  border-bottom: 1px solid var(--color-line);
  background: var(--color-bg);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 4rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  text-decoration: none;
  font-weight: 800;
  font-size: var(--fs-2);
  letter-spacing: 0.04em;
}

.wordmark__mark {
  inline-size: 0.75em;
  block-size: 0.75em;
  background: var(--color-accent);
  border-radius: 2px;
}

.wordmark__sub {
  display: none;
  font-weight: 500;
  font-size: var(--fs-0);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--color-muted);
  margin-inline-start: var(--space-2);
}

@media (min-width: 40rem) {
  .wordmark__sub {
    display: inline;
  }
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-pill);
  padding: 2px;
  gap: 2px;
}

.lang-switch__btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--color-muted);
  font: inherit;
  font-size: var(--fs-0);
  font-weight: 600;
  letter-spacing: var(--tracking-caps);
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  min-block-size: 2rem;
  transition: background var(--dur-1) var(--ease), color var(--dur-1) var(--ease);
}

.lang-switch__btn.is-current {
  background: var(--color-ink-surface);
  color: var(--color-on-ink);
}

main {
  flex: 1;
  padding-block: var(--space-6) var(--space-8);
}

.site-footer {
  border-top: 1px solid var(--color-line);
  padding-block: var(--space-5);
  font-size: var(--fs-0);
  color: var(--color-muted);
}

.page-head {
  margin-block-end: var(--space-6);
}

.page-head > * + * {
  margin-block-start: var(--space-2);
}