@layer layout {
  .container {
    width: min(100% - 2.5rem, var(--container-max));
    margin-inline: auto;
  }

  /* --- Header ----------------------------------------------------------- */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
  }

  .site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    min-height: 4rem;
    position: relative;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    color: var(--color-heading);
  }

  /* Wireframe-Box mit „Bewegungs-Schatten“ — das Markenzeichen. */
  .brand__mark {
    width: 0.95rem;
    height: 0.95rem;
    border: 2px solid var(--color-accent);
    box-shadow: 0.28rem 0.28rem 0 -1px var(--color-accent-2);
    flex-shrink: 0;
  }

  .brand__name {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: 0.09em;
  }

  .nav-burger {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 2.75rem;
    height: 2.75rem;
    padding: var(--space-2);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius-s);
  }

  .nav-burger__line {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--color-text);
    transition: transform var(--transition), opacity var(--transition);
  }

  [data-open] .nav-burger__line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  [data-open] .nav-burger__line:nth-child(2) {
    opacity: 0;
  }

  [data-open] .nav-burger__line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .site-nav {
    display: none;
  }

  [data-open] .site-nav {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-4);
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-6);
    box-shadow: var(--shadow-2);
  }

  .nav__link {
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    padding-block: var(--space-1);
    border-bottom: 2px solid transparent;
    transition: color var(--transition), border-color var(--transition);
  }

  .nav__link:hover {
    color: var(--color-text);
  }

  .nav__link.is-active {
    color: var(--color-heading);
    border-bottom-color: var(--color-accent);
  }

  @media (min-width: 56rem) {
    .nav-burger {
      display: none;
    }

    .site-nav,
    [data-open] .site-nav {
      display: flex;
      flex-direction: row;
      align-items: center;
      gap: var(--space-6);
      position: static;
      background: none;
      border: none;
      padding: 0;
      box-shadow: none;
    }
  }

  /* --- Sektionen & Grids ------------------------------------------------ */
  .section {
    padding-block: var(--space-16);
  }

  .section--tight {
    padding-block: var(--space-10);
  }

  .section__head {
    max-width: 46rem;
    margin-bottom: var(--space-10);
    display: grid;
    gap: var(--space-3);
    justify-items: start;
  }

  .section__head--center {
    margin-inline: auto;
    text-align: center;
    justify-items: center;
  }

  .section__head h2 {
    font-size: var(--text-xl);
  }

  .section__lede {
    color: var(--color-text-muted);
  }

  .grid {
    display: grid;
    gap: var(--space-6);
  }

  .grid--2 {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr));
  }

  .grid--3 {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
  }

  /* --- Footer ----------------------------------------------------------- */
  .site-footer {
    margin-top: var(--space-20);
    border-top: 1px solid var(--color-border);
    background: var(--footer-bg);
    padding-block: var(--space-16) var(--space-8);
    font-size: var(--text-s);
  }

  .site-footer__grid {
    display: grid;
    gap: var(--space-10);
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
  }

  .site-footer__heading {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: var(--space-4);
  }

  .site-footer__tagline {
    color: var(--color-text-muted);
    margin-top: var(--space-3);
    max-width: 22rem;
  }

  .site-footer address {
    font-style: normal;
    color: var(--color-text-muted);
    display: grid;
    gap: var(--space-1);
  }

  .site-footer__links {
    display: grid;
    gap: var(--space-2);
  }

  .site-footer__links a {
    color: var(--color-text-muted);
    text-decoration: none;
  }

  .site-footer__links a:hover {
    color: var(--color-text);
    text-decoration: underline;
  }

  .hours-list {
    display: grid;
    gap: var(--space-1);
    color: var(--color-text-muted);
  }

  .hours-list > div {
    display: flex;
    justify-content: space-between;
    gap: var(--space-4);
  }

  .hours-list dd {
    font-family: var(--font-mono);
    font-variant-numeric: tabular-nums;
  }

  .site-footer__meta {
    margin-top: var(--space-12);
    padding-top: var(--space-6);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    display: flex;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
  }
}