/* One shared masthead and footer for the homepage and every reading page. */
.site-header {
  position: fixed;
  z-index: 50;
  inset-block-start: 0;
  inset-inline: 0;
  inline-size: auto;
  min-block-size: var(--companion-header-size);
  border: 0;
  border-radius: 0 0 24px 24px;
  background: linear-gradient(130deg, var(--deep-purple) 0%, var(--companion-menu-surface) 52%, var(--footer-purple) 100%);
  color: var(--white);
}

.site-header .header-inner {
  inline-size: min(calc(100% - 2 * var(--companion-gutter)), var(--max-width));
  min-block-size: var(--companion-header-size);
  margin-inline: auto;
  padding-block: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 20px;
  flex-wrap: nowrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-inline-size: 0;
}

.site-header .brand,
.site-footer .brand {
  inline-size: auto;
  text-decoration: none;
}

.brand-wordmark,
.site-header .brand .brand-wordmark {
  display: block;
  flex: none;
  inline-size: 286px;
  block-size: auto;
  object-fit: contain;
}

.site-header a {
  text-decoration: none;
  white-space: nowrap;
}

.desktop-nav {
  justify-self: start;
  align-self: center;
  display: flex;
  align-items: center;
  gap: 16px;
  color: #f6ecff;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
}

.desktop-nav > a {
  padding-block: 2px;
  color: inherit;
  font-family: var(--body-font);
  font-weight: 700;
}

.desktop-nav > a.is-active,
.mobile-menu > a.is-active {
  color: var(--companion-active-link);
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-block-size: 40px;
  padding: 6px 24px;
  border-radius: 24px;
  font-family: var(--heading-font);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.25;
  white-space: nowrap;
}

.pill svg {
  inline-size: 18px;
  block-size: 18px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pill-primary {
  background: linear-gradient(96deg, #7015bb 0%, var(--teal) 100%);
  color: var(--white);
}

.pill-secondary {
  border: 1px solid var(--companion-on-dark-line-strong);
  color: var(--white);
}

.pill:hover {
  filter: brightness(1.08);
}

.mobile-toggle {
  display: none;
  flex: none;
  justify-self: end;
  place-items: center;
  inline-size: 44px;
  block-size: 44px;
  padding: 0;
  border: 1px solid color-mix(in oklch, var(--white) 30%, transparent);
  border-radius: 50%;
  background: var(--companion-on-dark-wash);
  color: var(--white);
  cursor: pointer;
}

.mobile-toggle svg {
  inline-size: 21px;
  block-size: 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* The closed rule also applies before scripts run and overrides the UA popover box. */
.site-header .mobile-menu {
  display: none;
  position: fixed;
  inset-block: calc(var(--companion-header-size) + .5rem) auto;
  inset-inline: var(--companion-gutter);
  inline-size: auto;
  max-inline-size: none;
  max-block-size: calc(100dvh - var(--companion-header-clearance) - 1rem);
  margin: 0;
  padding: 18px;
  border: 0;
  border-radius: 15px;
  background: var(--companion-menu-surface);
  color: var(--white);
  box-shadow: 0 20px 45px var(--companion-menu-shadow);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.mobile-menu > a {
  padding: 12px 8px;
  color: var(--white);
  font-family: var(--body-font);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  white-space: normal;
}

.site-header .mobile-menu > a {
  white-space: normal;
}

.mobile-menu > .pill {
  inline-size: 100%;
  margin-block-start: 10px;
  padding: 8px 20px;
}

.language-select {
  --language-caret-inset: 16px;
  --language-caret-size: 7px;
  position: relative;
  display: inline-flex;
  align-items: center;
  flex: none;
}

/* The native picker remains intact; its marker gets a consistent inset. */
.language-select::after {
  content: "";
  position: absolute;
  inset-block-start: 50%;
  inset-inline-end: var(--language-caret-inset);
  box-sizing: border-box;
  inline-size: var(--language-caret-size);
  block-size: var(--language-caret-size);
  border-inline-end: 2px solid currentColor;
  border-block-end: 2px solid currentColor;
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}

.language-select select {
  appearance: none;
  inline-size: auto;
  min-inline-size: 132px;
  min-block-size: 40px;
  padding-block: 8px;
  padding-inline: 12px calc(2 * var(--language-caret-inset) + var(--language-caret-size));
  border: 1px solid color-mix(in oklch, var(--white) 50%, transparent);
  border-radius: 22px;
  background: var(--companion-menu-surface);
  color: var(--white);
  font-size: 14px;
  cursor: pointer;
  color-scheme: dark;
}

.language-select select:focus-visible {
  outline: 3px solid #d1a4ef;
  outline-offset: 3px;
}

.mobile-menu .language-select {
  inline-size: 100%;
  margin-block: 8px;
}

.mobile-menu .language-select select {
  inline-size: 100%;
  min-block-size: 44px;
  font-size: max(1rem, 16px);
  background: var(--companion-on-dark-wash);
}

.site-footer {
  padding: 0 0 28px;
  overflow: clip;
  border-radius: 32px 32px 0 0;
  background:
    radial-gradient(circle at 70% 20%, color-mix(in oklch, var(--primary-purple) 72%, transparent), transparent 38%),
    linear-gradient(135deg, var(--footer-purple) 0%, #230337 100%);
  color: var(--white);
}

.footer-inner {
  inline-size: min(calc(100% - 2 * var(--companion-gutter)), var(--max-width));
  margin-inline: auto;
  padding-block: clamp(2.5rem, 2.2857rem + 1.0714vw, 3.25rem) clamp(2.75rem, 2.5rem + 1.25vw, 3.625rem);
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(0, 1.4fr);
  gap: clamp(2rem, 1.5714rem + 2.1429vw, 3.5rem);
}

.footer-main p {
  max-inline-size: 390px;
  margin-block-start: 20px;
  color: #eadcf6;
  font-size: 14px;
  line-height: 1.6;
}

.footer-brand {
  max-inline-size: 100%;
}

.site-footer .footer-brand .brand-wordmark {
  inline-size: 286px;
  max-inline-size: 100%;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.site-footer h4 {
  margin-block-end: 14px;
  color: var(--white);
  font-family: var(--heading-font);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0;
}

.footer-columns a {
  display: block;
  margin-block-start: 10px;
  color: #eadcf6;
  font-size: 14px;
  line-height: 1.2857;
  text-decoration: none;
}

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

.preview-edition {
  inline-size: min(calc(100% - 2 * var(--companion-gutter)), var(--max-width));
  margin: 30px auto 0;
  padding-block-start: 22px;
  border-block-start: 1px solid var(--companion-on-dark-line);
  font-size: 12px;
  line-height: 1.6;
  color: #e2d3eb;
}

body:not(.preserved-page) main > .page-hero {
  padding-block-start: calc(var(--companion-header-clearance) + 18px);
}

.skip-link {
  position: fixed;
  z-index: 100;
  inset-block-start: 10px;
  inset-inline-start: 10px;
  padding: 10px 20px;
  transform: translateY(-180%);
  background: var(--white);
  color: var(--footer-purple);
}

.skip-link:focus {
  transform: none;
}

@media (min-width: 1361px) {
  .site-header .header-inner {
    --header-wordmark-width: 224px;
    align-content: center;
    align-items: first baseline;
  }

  .site-header .header-inner > .brand {
    display: block;
    font-size: 0;
    line-height: 0;
  }

  .site-header .brand .brand-wordmark {
    display: inline-block;
    inline-size: var(--header-wordmark-width);
    vertical-align: calc(-1 * var(--header-wordmark-width) * 21 / 448);
  }

  .desktop-nav {
    align-self: first baseline;
  }

  .header-actions {
    align-items: first baseline;
  }

  .header-actions .pill-primary {
    padding-inline: 16px;
    font-size: 14px;
  }
}

@media (max-width: 1360px) {
  .site-header .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .desktop-nav,
  .header-actions {
    display: none;
  }

  .mobile-toggle {
    display: grid;
  }

  .site-header .mobile-menu:popover-open {
    display: grid;
  }

  /* Keep this selector separate so browsers without :popover-open can parse it. */
  .site-header .mobile-menu[data-popover-fallback][aria-hidden="false"] {
    display: grid;
  }
}

@media (max-width: 1120px) {
  .site-header {
    border-radius: 0 0 20px 20px;
  }
}

@media (max-width: 820px) {
  .site-header .header-inner {
    gap: 16px;
  }

  .site-header .brand .brand-wordmark {
    inline-size: clamp(188px, 56vw, 240px);
  }

  .footer-inner,
  .footer-columns {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
  }

  .site-footer .footer-brand .brand-wordmark {
    inline-size: 240px;
  }

  body:not(.preserved-page) main > .page-hero {
    padding-block-start: calc(var(--companion-header-clearance) + 12px);
  }
}

@media (prefers-reduced-motion: no-preference) {
  .pill {
    transition: filter 180ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
  }
}

@media print {
  .site-header,
  .site-footer,
  .site-header .mobile-menu {
    display: none !important;
  }

  body:not(.preserved-page) main > .page-hero {
    padding-block-start: 0;
  }
}