/* ============================================================================
   layout.css – Rada Kobiet Gminy Mirsk
   Header / Navigation / Footer / Grid (Mobile First)
   Stand: 13.09.2026 (Stufe 2) · a11y-Regeln: design/SPEC.md §6
   Navigation: 6 Seiten (SPEC §2), `index` erreichbar über das Logo.
   Mobile: Hamburger per Checkbox-Hack (kein JS nötig); optionales JS
   (nav.js ≤ 5 KB) ergänzt Escape-to-close + aria-expanded.
   ============================================================================ */

/* ---------- Header ---------- */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: var(--header-h);
}

/* Logo = Link auf index (SPEC §2) */
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}

.brand-logo {
  width: 48px;
  height: 48px;
  flex: none;
}

@media (min-width: 48em) {
  .brand-logo {
    width: 64px;
    height: 64px;
  }
  .header-bar {
    min-height: 5rem;
  }
}

/* ---------- Navigation ---------- */
.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-list {
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  gap: var(--space-xs);
  padding: var(--space-md);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-1);
}

.nav-link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.nav-link:hover {
  background: var(--brand-sand);
}

/* Aktive Seite: deutlich, fokussierbar (SPEC §6: aria-current="page") */
.nav-link[aria-current="page"] {
  background: var(--primary);
  color: var(--on-white);
}

/* ---------- Hamburger (Mobile) ----------
   Gesteuert über den <button class="nav-toggle"> (aria-expanded) + nav.js.
   Kein Checkbox-Hack: Fokus bleibt auf dem realen Button. */
.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;   /* Touch-Target ≥ 44px (WCAG 2.5.5) */
  height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  cursor: pointer;
  position: relative;
}

/* Barren */
.nav-toggle-bar,
.nav-toggle-bar::before,
.nav-toggle-bar::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  background: var(--primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle-bar::before {
  transform: translateY(-6px);
}

.nav-toggle-bar::after {
  transform: translateY(4px);
}

/* Offener Zustand (JS setzt .is-open auf dem Button): Barren → X */
.nav-toggle[aria-expanded="true"] .nav-toggle-bar {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar::before {
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar::after {
  transform: translateY(-8px) rotate(-45deg);
}

/* Menü sichtbar bei .is-open */
.nav-menu {
  display: none;
}

.nav-menu.is-open {
  display: block;
}

@media (min-width: 48em) {
  /* Desktop: horizontale Navigation, Hamburger entfällt */
  .nav-toggle {
    display: none;
  }
  .nav-menu {
    display: block;
  }
  .nav-list {
    flex-direction: row;
    padding: 0;
    border: 0;
    box-shadow: none;
    gap: var(--space-xs);
  }
}

/* ---------- Hero ---------- */
.hero {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding-block: var(--space-2xl);
}

@media (min-width: 48em) {
  .hero {
    padding-block: var(--space-2xl) calc(var(--space-2xl) + var(--space-md));
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
}

@media (min-width: 48em) {
  .hero-grid {
    grid-template-columns: 3fr 2fr;
  }
}

.hero-title {
  margin-bottom: var(--space-md);
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--neutral-text);
  margin-bottom: var(--space-lg);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.hero-image {
  display: grid;
  place-items: center;
}

.hero-image img {
  width: min(280px, 70vw);
  height: auto;
}

/* ---------- Sektionen & Grid ---------- */
.section {
  padding-block: var(--space-xl);
}

@media (min-width: 48em) {
  .section {
    padding-block: var(--space-2xl);
  }
}

.section-head {
  margin-bottom: var(--space-lg);
}

.section-alt {
  background: var(--brand-sand);
}

/* 2-Spalten-Grid (Kacheln/Karten): Mobile 1, Desktop 2 */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 48em) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 3-Spalten-Grid: Mobile 1, Tablet 2, Desktop 3 */
.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 30em) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 48em) {
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Hauptinhalt: Sprungziel der Skip-Link */
#main-content {
  scroll-margin-top: var(--header-h);
}

/* ---------- Footer (SPEC §2: global) ---------- */
.site-footer {
  background: var(--brand-navy-deep);
  color: var(--on-white);
  padding-block: var(--space-xl);
  margin-top: var(--space-xl);
}

.site-footer a {
  color: var(--on-white);
}

.site-footer a:hover {
  color: var(--brand-sand);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
}

@media (min-width: 48em) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-heading {
  font-size: var(--text-label);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-sand);
  margin-bottom: var(--space-sm);
}

.footer-list {
  display: grid;
  gap: var(--space-xs);
}

.footer-note {
  font-size: var(--text-small);
  color: var(--brand-sand);
}

.footer-bottom {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  font-size: var(--text-small);
  color: var(--brand-sand);
}