/* chrome.css — Kopf, Fuss und die mitlaufende Download-Leiste. */

/* ---------- Kopf ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background var(--dur) var(--ease-soft),
              border-color var(--dur) var(--ease-soft),
              backdrop-filter var(--dur) var(--ease-soft);
  border-bottom: 1px solid transparent;
}
/* Erst wenn gescrollt wird, legt sich der Kopf hinter sich selbst etwas an */
.site-header.is-stuck {
  background: var(--veil);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--line-soft);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: var(--s-5);
  height: 4.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.22rem;
  letter-spacing: -.01em;
  margin-right: auto;
}
.brand img { height: 1.7rem; width: auto; }

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--s-5);
}
.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: var(--t-sm);
  font-weight: 500;
  transition: color var(--dur-fast) var(--ease-soft);
}
.site-nav a:hover { color: var(--ink); }

@media (max-width: 900px) {
  .site-nav { display: none; }
}

/* Sprach- und Themewahl: zwei kleine, ruhige Schalter */
.chrome-controls { display: flex; align-items: center; gap: var(--s-2); }

.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-1);
  height: 2.25rem;
  min-width: 2.25rem;
  padding-inline: .6rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--ink-soft);
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  letter-spacing: .06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-soft),
              color var(--dur-fast) var(--ease-soft);
}
.chip:hover { border-color: var(--accent); color: var(--ink); }
.chip svg { width: 1rem; height: 1rem; }

.header-cta { margin-left: var(--s-1); }
@media (max-width: 620px) { .header-cta { display: none; } }

/* ---------- Mitlaufende Download-Leiste (schmale Geraete) ---------- */

.dock {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 90;
  padding: var(--s-3) var(--page-pad) calc(var(--s-3) + env(safe-area-inset-bottom, 0px));
  background: var(--veil);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-top: 1px solid var(--line-soft);
  display: flex;
  align-items: center;
  gap: var(--s-4);
  transform: translateY(110%);
  transition: transform var(--dur) var(--ease-out);
}
.dock.is-in { transform: none; }
.dock p { font-size: var(--t-sm); color: var(--ink-soft); margin: 0; flex: 1; min-width: 0; }
.dock .btn { flex: none; }

@media (min-width: 721px) { .dock { display: none; } }
@media (prefers-reduced-motion: reduce) { .dock { transition: none; } }

/* ---------- Fuss ---------- */

.site-footer {
  position: relative;
  z-index: 1;
  margin-top: var(--s-10);
  padding-block: var(--s-8) var(--s-7);
  border-top: 1px solid var(--line-soft);
  background: var(--raised);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(14rem, 1.4fr) repeat(3, minmax(8rem, 1fr));
  gap: var(--s-6) var(--s-5);
}
@media (max-width: 820px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

.footer-brand p { color: var(--ink-faint); font-size: var(--t-sm); max-width: 30ch; margin-top: var(--s-3); }
.footer-brand img { height: 1.9rem; width: auto; margin-bottom: var(--s-1); }

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: var(--t-xs);
  font-weight: 400;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: var(--s-3);
}
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--s-2); }
.footer-col a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: var(--t-sm);
  transition: color var(--dur-fast) var(--ease-soft);
}
.footer-col a:hover { color: var(--accent); }

.footer-base {
  margin-top: var(--s-7);
  padding-top: var(--s-4);
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3) var(--s-5);
  align-items: center;
  font-size: var(--t-xs);
  color: var(--ink-faint);
}
.footer-base .spacer { margin-left: auto; }

/* ---------- Wortmarke: zwei Fassungen ----------
 * wortbildmarke.png        dunkle Schrift  → fuer HELLEN Grund
 * wortbildmarke_light.png  helle Schrift   → fuer DUNKLEN Grund
 *
 * Umgeschaltet wird per CSS und nicht per <picture>, weil die Seite einen
 * eigenen Theme-Umschalter hat: <picture> kennt nur prefers-color-scheme und
 * wuerde die manuelle Wahl ignorieren. Die drei Zustaende sind dieselben wie
 * in tokens.css (Systemwunsch, ausdrueckliches Hell, ausdrueckliches Dunkel).
 */

.wordmark { display: block; }

/* Basis der Seite ist dunkel → helle Wortmarke zeigen */
.wordmark-on-light { display: none; }

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .wordmark-on-dark  { display: none; }
  :root:not([data-theme="dark"]) .wordmark-on-light { display: block; }
}

:root[data-theme="light"] .wordmark-on-dark  { display: none; }
:root[data-theme="light"] .wordmark-on-light { display: block; }