/* Momus — Seitenstil. Farben ausschließlich über Token aus theme.css.

   Gestaltungsleitlinie: alter Druck, nicht Bildschirm. Symmetrie, feine
   Linien, Kapitälchen, großzügige Ränder. Keine Leuchteffekte, keine
   weichen Kapselformen, keine Schlagschatten. */

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

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

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 18px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--speed) var(--ease),
              color var(--speed) var(--ease);
}

.wrap {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 28px;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }

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

/* ---------- Kopfzeile ---------- */

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

.head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 66px;
}

/* Logo: immer oben links, immer klein. Siehe docs/02. */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--accent-solid);
  text-decoration: none;
}

.brand svg { height: 30px; width: auto; display: block; }

.brand-name {
  color: var(--text);
  font-size: 0.98rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
}

/* ---------- Schaltflächen ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  font-family: var(--font);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text);
  background: transparent;
  cursor: pointer;
  transition: background-color var(--speed) var(--ease),
              border-color var(--speed) var(--ease),
              color var(--speed) var(--ease);
}

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

.btn-primary:hover { background: var(--accent-dim); border-color: var(--accent-dim); }

.btn[aria-disabled="true"] {
  color: var(--text-muted);
  border-color: var(--border-soft);
  cursor: not-allowed;
  pointer-events: none;
}

/* Theme-Umschalter */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  color: var(--text-secondary);
  cursor: pointer;
  transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

.theme-toggle:hover { color: var(--accent); border-color: var(--accent); }
.theme-toggle svg { width: 18px; height: 18px; display: block; }

:root[data-theme="dark"] .icon-sun,
:root[data-theme="light"] .icon-moon { display: none; }

/* ---------- Ornamente ---------- */

/* Zierteiler: feine Linie – Raute – feine Linie, mittig. */
.rule {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 0 auto;
  max-width: 320px;
  color: var(--accent);
}

.rule::before,
.rule::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

.rule span {
  font-size: 0.62rem;
  line-height: 1;
  transform: rotate(45deg);
  display: inline-block;
  width: 7px;
  height: 7px;
  border: 1px solid currentColor;
}

/* ---------- Titelbereich ---------- */

.hero { padding: 96px 0 80px; text-align: center; }

.hero h1 {
  margin: 0 0 26px;
  font-size: clamp(2.5rem, 6vw, 3.6rem);
  line-height: 1.15;
  font-weight: 400;
  letter-spacing: 0.02em;
}

.hero-text {
  margin: 30px auto 38px;
  max-width: 54ch;
  font-size: 1.06rem;
  color: var(--text-secondary);
  text-align: left;
}

.hero-text p { margin: 0 0 14px; }
.hero-text p:last-child { margin-bottom: 0; }

.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- Abschnitte ---------- */

.section { padding: 68px 0; border-top: 1px solid var(--border-soft); }

.section-head { margin-bottom: 42px; text-align: center; }

.section-head h2 {
  margin: 0 0 10px;
  font-size: 1.15rem;
  font-weight: 400;
  letter-spacing: 0.26em;
  text-transform: uppercase;
}

.section-head p { margin: 0; color: var(--text-muted); font-size: 0.96rem; }

/* ---------- Download-Karten ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1px;
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
}

/* Ein zusammenhängender Setzkasten statt schwebender Kacheln:
   die Zwischenräume entstehen durch die Hintergrundfarbe des Rasters. */
.card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 34px 24px 28px;
  background: var(--bg);
  text-align: center;
  transition: background-color var(--speed) var(--ease);
}

.card:hover { background: var(--bg-raised); }

.card-icon { color: var(--accent); }
.card-icon svg { width: 26px; height: 26px; display: block; }

.card h3 {
  margin: 0;
  font-size: 1.06rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.card-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.card .btn { margin-top: auto; width: 100%; }

/* Zweiter Akzent: Zustandsmarke, keine Warnung (docs/02) */
.chip {
  padding: 3px 12px;
  border: 1px solid currentColor;
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-zwei);
}

/* ---------- Hinweis zur Echtheitsprüfung ---------- */

.notice {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  margin-top: 34px;
  padding: 20px 22px;
  border: 1px solid var(--border-soft);
  border-left: 2px solid var(--signal-note); /* Signalfarbe „Hinweis" — einmalig */
}

.notice svg { flex-shrink: 0; width: 18px; height: 18px; margin-top: 4px; color: var(--signal-note); }
.notice p { margin: 0; font-size: 0.94rem; color: var(--text-secondary); }
.notice strong { color: var(--text); font-weight: 400; font-style: italic; }

/* ---------- Fußzeile ---------- */

.site-foot {
  padding: 32px 0 48px;
  border-top: 1px solid var(--border-soft);
  color: var(--text-muted);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.foot-row { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* ---------- Barrierefreiheit ---------- */

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 560px) {
  body { font-size: 17px; }
  .hero { padding: 64px 0 52px; }
  .section { padding: 52px 0; }
  .hero-text { text-align: left; }
  .brand-name { display: none; }
}

/* Prüfsumme unter dem Download — zum Vergleichen markierbar (docs/04) */
.pruefsumme {
  margin: 10px 0 0;
  font-size: 0.66rem;
  line-height: 1.5;
  color: var(--text-muted);
  word-break: break-all;
  text-align: left;
}

.pruefsumme span {
  display: block;
  margin-bottom: 2px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.pruefsumme code { font-family: var(--font-mono); user-select: all; }