/* ==========================================================================
   YogaPänz – Hauptnavigation: Menüknopf, aufklappbare Gruppen, Anfrage-Button
   Gruppen sind <details>/<summary> und funktionieren ohne JavaScript.
   ========================================================================== */

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--ink);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
}

.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  display: block;
  width: 1.1rem;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
}

.nav-toggle__bars {
  position: relative;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: '';
  position: absolute;
  left: 0;
}

.nav-toggle__bars::before {
  top: -0.35rem;
}

.nav-toggle__bars::after {
  top: 0.35rem;
}

/* Ohne JavaScript bleibt die Navigation dauerhaft sichtbar und bedienbar. */
.site-nav {
  display: block;
  width: 100%;
}

@media (scripting: none) {
  .nav-toggle {
    display: none;
  }
}

@media (scripting: none) and (max-width: 61.999rem) {
  .site-header {
    position: static;
  }
}

@media (scripting: enabled) and (max-width: 61.999rem) {
  .site-nav {
    display: none;
  }

  .site-nav.is-open {
    display: block;
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
    padding: var(--space-s) var(--space-m) var(--space-l);
    box-shadow: var(--shadow-soft);
    max-height: calc(100svh - 4.5rem);
    overflow-y: auto;
  }
}

/* --- Menüpunkte (Handy und Tablet: untereinander) ----------------------- */

.site-nav__list {
  list-style: none;
  margin: 0 0 var(--space-s);
  padding: 0;
  display: grid;
  gap: 0.15rem;
}

.site-nav__list > li > a,
.site-nav__group > summary {
  display: block;
  padding: 0.7rem 0.25rem;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.site-nav__group > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs);
  min-height: 2.75rem;
  list-style: none;
  cursor: pointer;
}

.site-nav__group > summary::-webkit-details-marker {
  display: none;
}

.site-nav__group > summary::after {
  content: '';
  flex: 0 0 auto;
  width: 0.5rem;
  height: 0.5rem;
  margin-top: -0.2rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.15s ease;
}

.site-nav__group[open] > summary::after {
  margin-top: 0.15rem;
  transform: rotate(-135deg);
}

.site-nav__sub {
  list-style: none;
  margin: 0.35rem 0 0.6rem 0.25rem;
  padding: 0;
  border-left: 3px solid var(--leaf);
}

.site-nav__sub a {
  display: block;
  padding: 0.6rem 0.9rem;
  font-weight: 600;
  text-decoration: none;
}

.site-nav__list a[aria-current='page'],
.site-nav__group.is-current > summary {
  color: var(--plum);
  text-decoration: underline;
  text-decoration-color: var(--leaf);
  text-decoration-thickness: 0.2em;
}

.site-nav__cta {
  flex: 0 0 auto;
}

@media (max-width: 61.999rem) {
  .site-nav__cta {
    width: 100%;
    justify-content: center;
  }
}

/* --- Desktop: Menüpunkte nebeneinander, Gruppen als Aufklappfeld -------- */

@media (min-width: 62rem) {
  .nav-toggle {
    display: none;
  }

  .brand img {
    width: 190px;
  }

  .site-nav,
  .site-nav.is-open {
    display: flex;
    position: static;
    width: auto;
    align-items: center;
    gap: var(--space-m);
    padding: 0;
    border: 0;
    box-shadow: none;
    background: transparent;
    max-height: none;
    overflow: visible;
  }

  .site-nav__list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem var(--space-s);
    margin: 0;
  }

  .site-nav__list > li {
    position: relative;
  }

  .site-nav__list > li > a,
  .site-nav__group > summary {
    padding: 0.35rem 0;
    border: 0;
    font-size: var(--step--1);
  }

  .site-nav__group > summary {
    display: inline-flex;
    justify-content: flex-start;
    gap: 0.4rem;
    min-height: 0;
  }

  .site-nav__sub {
    position: absolute;
    top: calc(100% + 0.6rem);
    left: -1rem;
    z-index: 60;
    min-width: 15rem;
    margin: 0;
    padding: 0.4rem 0;
    background: var(--paper);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-soft);
  }

  .site-nav__sub a {
    padding: 0.6rem 1rem;
    font-size: var(--step--1);
    white-space: nowrap;
  }

  .site-nav__sub a:hover {
    background: var(--plum-tint);
  }
}

/* Mehr Luft zwischen den Punkten, sobald die Kopfzeile breit genug ist. */
@media (min-width: 81rem) {
  .site-nav__list {
    column-gap: var(--space-m);
  }
}

/* Zwischen Tablet und Desktop reicht der Platz nur für die Menüpunkte. */
@media (min-width: 62rem) and (max-width: 76.999rem) {
  .site-nav .site-nav__cta {
    display: none;
  }
}