/**
 * @file site.css
 * @description Site header (logo, menu, language, order button) and footer.
 * Styles partials/header.html and partials/footer.html.
 *
 * Depends on: css/tokens.css, css/base.css, css/components.css.
 * Loaded by: index.html, page.html, order.html, report.html.
 */

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--color-bg);
  border-bottom: var(--border-hairline);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  min-height: 4.5rem;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-inline-start: auto;
}

.site-header__order {
  min-height: 2.5rem;
  padding-block: var(--space-1);
  border-radius: var(--radius-round);
  font-size: var(--text-s);
}

/* Menu: inline on wide screens, a panel (native popover) on small screens. */
.site-nav__list {
  display: flex;
  gap: var(--space-5);
  padding: 0;
  margin: 0;
  list-style: none;
}

.site-nav__link {
  position: relative;
  padding-block: var(--space-2);
  color: var(--color-text);
  font-size: var(--text-s);
  text-decoration: none;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  border-top: 1px solid var(--color-ornament);
  transform: scaleX(0);
  transition: transform var(--duration-quick) ease;
}

.site-nav__link:hover::after,
.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-nav__link[aria-current="page"] {
  color: var(--color-link);
}

.site-header__menu {
  display: none;
}

@media (min-width: 62rem) {
  .site-nav[popover] {
    position: static;
    display: block;
    width: auto;
    height: auto;
    margin: 0 0 0 var(--space-5);
    padding: 0;
    border: 0;
    background: none;
    color: inherit;
    overflow: visible;
  }
}

@media (max-width: 61.99rem) {
  .site-header__menu {
    display: grid;
  }

  .site-nav {
    inset: 0 0 0 auto;
    width: min(22rem, 100%);
    height: 100dvh;
    max-height: none;
    margin: 0;
    padding: var(--space-8) var(--space-6);
    border: 0;
    border-left: var(--border-hairline);
    background: var(--color-bg);
    color: var(--color-text);
  }

  .site-nav::backdrop {
    background: color-mix(in srgb, var(--ns-forest) 30%, transparent);
  }

  .site-nav__list {
    flex-direction: column;
    gap: 0;
  }

  .site-nav__link {
    display: block;
    padding-block: var(--space-4);
    border-bottom: var(--border-hairline);
    font-family: var(--font-display);
    font-size: var(--text-l);
  }

  .site-nav__link::after {
    display: none;
  }
}

@media (max-width: 30rem) {
  .site-header__inner {
    gap: var(--space-3);
  }

  .site-header .ns-wordmark__text {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }

  .site-header__order {
    display: none;
  }
}

/* ---------- Footer ---------- */
.site-footer {
  margin-block-start: var(--space-8);
  background: var(--color-inverse-bg);
  color: var(--color-inverse-text);
}

.site-footer a {
  color: var(--color-inverse-text);
}

.site-footer :focus-visible {
  outline-color: var(--color-inverse-accent);
}

.site-footer__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr));
  gap: var(--space-7);
  padding-block: var(--space-8) var(--space-7);
}

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

.site-footer .ns-wordmark {
  color: var(--color-inverse-text);
}

.site-footer__brand p {
  max-width: 22rem;
  margin-block-start: var(--space-4);
  font-family: var(--font-display);
  font-size: var(--text-l);
  font-style: italic;
  font-weight: var(--weight-light);
  line-height: 1.35;
}

.site-footer__heading {
  margin-block-end: var(--space-3);
  font-family: var(--font-text);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-inverse-accent);
}

.site-footer__nav ul {
  display: grid;
  gap: var(--space-2);
  padding: 0;
  list-style: none;
  font-size: var(--text-s);
}

.site-footer__nav a {
  text-decoration: none;
}

.site-footer__nav a:hover {
  text-decoration: underline;
}

.site-footer__legal {
  padding-block: var(--space-4) var(--space-5);
  border-top: 1px solid color-mix(in srgb, var(--ns-cream-warm) 18%, transparent);
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--ns-cream-warm) 75%, var(--ns-forest));
}

/* The reader page has its own top bar, so its footer needs no extra margin. */
.rm-body .site-footer {
  margin-block-start: 0;
}

/* Close button inside the mobile menu panel. */
.site-nav__close {
  display: none;
}

@media (max-width: 61.99rem) {
  .site-nav__close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    display: grid;
  }
}