/* Layout — Header, Footer, Sections. BEM-Namenskonvention (Block__Element--Modifier). */

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-2);
}
.site-header__logo { display: inline-flex; flex-shrink: 0; }

.site-nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.75rem;
  font-family: inherit;
  font-size: var(--text-sm);
  color: var(--color-text); /* sonst faerbt iOS Safari Buttons in System-Blau */
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.site-nav-toggle:hover { border-color: var(--color-accent); color: var(--color-accent); }
.site-nav {
  display: none;
  flex-direction: column;
  gap: var(--space-1);
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-2) 1.5rem var(--space-3);
}
.site-nav.is-open { display: flex; }
.site-nav__link {
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
}
.site-nav__link:last-of-type { border-bottom: none; }
.site-nav__cta { margin-top: var(--space-1); }

/* Untermenue "Leistungen": mobil immer eingerueckt unter dem Punkt sichtbar,
   ab 1280px als Aufklappliste (Hover und Tastaturfokus, kein JS). */
.site-nav__item { display: flex; flex-direction: column; }
.site-nav__item > .site-nav__link { border-bottom: none; }
.site-nav__sub {
  list-style: none;
  margin: 0;
  padding: 0 0 0.25rem var(--space-2);
  border-bottom: 1px solid var(--color-border);
}
.site-nav__sublink {
  display: block;
  padding: 0.4rem 0;
  font-size: var(--text-sm);
  text-decoration: none;
}
.site-nav__sublink.is-active {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}
.site-nav__admin-link { color: var(--color-accent); font-weight: 700; }
/* Aktive Seite: Akzentfarbe + kraeftige Unterstreichung. Bewusst KEIN Fettdruck,
   sonst aendert sich die Textbreite und die einzeilige Desktop-Nav springt. */
.site-nav__link.is-active:not(.btn) {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}
.site-nav__cta.is-active { filter: brightness(0.88); }

/* Erst ab 1280px genug Platz fuer Logo + alle Nav-Punkte in einer Zeile --
   darunter bleibt die mobile Menue-Schublade aktiv (siehe main.js), statt
   die Links zusammenzuquetschen/umbrechen zu lassen. */
@media (min-width: 1280px) {
  .site-nav-toggle { display: none; }
  .site-nav {
    display: flex;
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    row-gap: var(--space-1);
    column-gap: 0.85rem;
    background: none;
    border: none;
    padding: 0;
  }
  .site-nav__link {
    border-bottom: none;
    padding: 0;
    white-space: nowrap;
  }
  .site-nav__cta { margin-top: 0; }

  .site-nav__item { position: relative; }
  .site-nav__item--has-sub > .site-nav__link::after {
    content: '';
    display: inline-block;
    width: 0.4em;
    height: 0.4em;
    margin-left: 0.4em;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: translateY(-0.15em) rotate(45deg);
  }
  .site-nav__sub {
    display: none;
    position: absolute;
    top: 100%;
    left: -1rem;
    z-index: 60;
    min-width: 22rem;
    margin-top: 0.85rem;
    padding: 0.5rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px rgba(46, 31, 27, 0.12);
  }
  /* Unsichtbare Bruecke, damit das Menue beim Hinunterfahren mit der Maus nicht zuklappt */
  .site-nav__sub::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: -0.85rem;
    height: 0.85rem;
  }
  .site-nav__item--has-sub:hover > .site-nav__sub,
  .site-nav__item--has-sub:focus-within > .site-nav__sub { display: block; }
  .site-nav__sublink { padding: 0.5rem 0; white-space: nowrap; }
}

.site-footer {
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-8);
  padding-block: var(--space-6);
  color: var(--color-muted-text);
  font-size: var(--text-sm);
  background: var(--color-surface);
}
.site-footer__grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
  margin-bottom: var(--space-4);
}
.site-footer__col h3 {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}
.site-footer__col ul { list-style: none; margin: 0; padding: 0; }
.site-footer__col li { margin-bottom: 0.4em; }
.site-footer__col a { text-decoration: none; }
.site-footer__col a:hover { text-decoration: underline; }
.site-footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}
.site-footer__legal { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.site-footer__legal a { text-decoration: none; }

@media (min-width: 768px) {
  .site-footer__grid { grid-template-columns: repeat(4, 1fr); }
  .site-footer__bottom { flex-direction: row; justify-content: space-between; align-items: center; }
}

.section { padding-block: var(--space-6); }
.section--alt { background: var(--color-surface); }
.section--tight { padding-block: var(--space-4); }

@media (min-width: 768px) {
  .section { padding-block: var(--space-8); }
}

/* Admin-Layout */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  padding: var(--space-3);
}
.admin-sidebar__brand { font-weight: 700; margin-bottom: var(--space-4); }
.admin-sidebar__nav { display: flex; flex-direction: column; gap: var(--space-1); }
.admin-sidebar__link { text-decoration: none; padding: var(--space-1); border-radius: var(--radius-sm); }
.admin-sidebar__link--logout { color: var(--color-muted-text); margin-top: var(--space-3); }
.admin-main { flex: 1; padding: var(--space-4); }

.admin-login { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.admin-login__form { width: 100%; max-width: 360px; padding: var(--space-4); }
.admin-login__title { text-align: center; }

.admin-cards { display: flex; gap: var(--space-3); margin-block: var(--space-3); }
.admin-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  min-width: 160px;
}
.admin-card__value { font-size: var(--text-3xl); font-weight: 700; }
.admin-card__label { color: var(--color-muted-text); font-size: var(--text-sm); }
.admin-note { color: var(--color-muted-text); }