/* Hauptmenü „Unternehmenslösungen“ (seit 18.10.2026), gemeinsam für alle Seiten mit .header.
   Markup: <nav class="mainnav"> im .header-inner, Steuerung: /js/hauptmenue.js.
   Farben kommen aus den Variablen der Seite (--primary wechselt auf Cato Flow zu Bernstein). */

.mainnav { position: relative; justify-self: start; }

.nav-toggle {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 14px; border-radius: 8px;
  font-family: var(--font-display); font-weight: 600; font-size: 15px;
  letter-spacing: -0.01em; color: var(--text-soft);
  transition: background 150ms ease, color 150ms ease;
}
.nav-toggle:hover, .nav-toggle[aria-expanded="true"] { background: var(--bg-alt); color: var(--text); }
.nav-toggle svg { width: 16px; height: 16px; transition: transform 150ms ease; }
.nav-toggle[aria-expanded="true"] svg { transform: rotate(180deg); }

.nav-burger {
  display: none; place-items: center;
  width: 44px; height: 44px; border-radius: 10px;
  border: 1px solid var(--border); color: var(--text);
}
.nav-burger svg { width: 22px; height: 22px; }
.nav-burger .i-close, .nav-burger[aria-expanded="true"] .i-open { display: none; }
.nav-burger[aria-expanded="true"] { background: var(--bg-alt); }
.nav-burger[aria-expanded="true"] .i-close { display: block; }

.nav-panel {
  position: absolute; top: calc(100% + 8px); left: 0; z-index: 60;
  width: 720px; max-width: calc(100vw - 290px); box-sizing: border-box;
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px;
  padding: 12px; border-radius: 14px;
  background: var(--surface); border: 1px solid var(--border);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.14), 0 2px 6px rgba(15, 23, 42, 0.06);
}
.nav-panel[hidden] { display: none; }
.nav-title, .nav-panel .nav-cta { display: none; }

.nav-item {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 14px; border-radius: 10px;
  transition: background 150ms ease;
}
.nav-item:hover { background: var(--bg-alt); }
.nav-icon {
  flex: none; width: 40px; height: 40px; border-radius: 9px;
  display: grid; place-items: center;
  background: var(--bg-alt); color: var(--text-soft);
}
.nav-icon svg { width: 20px; height: 20px; }
.nav-text { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.nav-name {
  font-family: var(--font-display); font-weight: 700; font-size: 15px;
  letter-spacing: -0.01em; color: var(--text);
}
.nav-sub { font-size: 13px; line-height: 1.4; color: var(--text-soft); }

/* Die Seite, auf der man gerade ist */
.nav-item[aria-current="page"], .nav-item[aria-current="page"]:hover { background: var(--primary-tint); }
.nav-item[aria-current="page"] .nav-icon { background: color-mix(in oklab, var(--primary) 20%, var(--surface)); color: var(--primary-hover); }
.nav-item[aria-current="page"] .nav-name { color: var(--primary-hover); }

/* Handy und schmale Fenster: Knopf mit drei Strichen, Liste über die volle Breite,
   „Erstgespräch buchen“ wandert aus der Kopfzeile ans Ende der Liste. */
@media (max-width: 900px) {
  .header-inner { grid-template-columns: 1fr auto; }
  .header-actions { display: none; }
  .mainnav { position: static; grid-row: 1; grid-column: 2; justify-self: end; }
  .nav-toggle { display: none; }
  .nav-burger { display: grid; }
  .nav-panel {
    top: 100%; left: 0; right: 0; width: auto; max-width: none;
    grid-template-columns: minmax(0, 1fr); gap: 2px;
    padding: 16px 12px 20px; border-radius: 0; border-width: 1px 0;
    max-height: calc(100vh - 64px); overflow-y: auto;
    box-shadow: 0 16px 32px rgba(15, 23, 42, 0.12);
  }
  .nav-title {
    display: block; margin: 0 8px 8px;
    font-family: var(--font-display); font-weight: 700; font-size: 13px; color: var(--text-soft);
  }
  .nav-item { align-items: center; padding: 12px; }
  .nav-panel .nav-cta { display: flex; justify-content: center; margin: 12px 0 0; }
}