.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: color-mix(in srgb, var(--bg) 88%, white 12%);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
}

.nav-wrap {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.brand {
  text-decoration: none;
  display: inline-flex;
  flex-direction: column;
  gap: 0.12rem;
}

.brand span {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.18rem, 1.08rem + 0.28vw, 1.45rem);
  letter-spacing: -0.025em;
  font-weight: 620;
}

.brand small {
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.main-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: var(--space-4);
  align-items: center;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.88rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid transparent;
  padding-bottom: 0.2rem;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  border-color: var(--dark);
}

.menu-toggle {
  display: none;
  font: inherit;
}

@media (max-width: 900px) {
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--dark);
    background: transparent;
    color: var(--dark);
    min-width: 88px;
    padding: 0.5rem 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.78rem;
  }

  .main-nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(86vw, 420px);
    background: color-mix(in srgb, var(--bg-alt) 92%, white 8%);
    border-left: 1px solid var(--line);
    padding: clamp(5.4rem, 6vw, 6.2rem) var(--space-4) var(--space-5);
    transform: translateX(104%);
    visibility: hidden;
    transition: transform 0.38s cubic-bezier(0.3, 0.62, 0.24, 1), visibility 0s linear 0.38s;
    box-shadow: none;
  }

  .main-nav::before {
    content: "Navigation";
    position: absolute;
    top: 1.4rem;
    left: var(--space-4);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--muted);
  }

  .main-nav.open {
    transform: translateX(0);
    visibility: visible;
    transition-delay: 0s;
    box-shadow: -22px 0 48px rgba(0, 0, 0, 0.16);
  }

  .main-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
  }

  .main-nav a {
    font-size: 1.15rem;
    letter-spacing: 0.02em;
    text-transform: none;
  }

  .menu-overlay {
    position: fixed;
    inset: 0;
    z-index: 140;
    background: rgba(0, 0, 0, 0.28);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }

  .menu-overlay.open {
    opacity: 1;
    pointer-events: auto;
  }
}

.site-footer {
  margin-top: var(--space-7);
  padding-top: var(--space-6);
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  gap: var(--space-5);
  padding-bottom: var(--space-5);
}

@media (min-width: 940px) {
  .footer-grid {
    grid-template-columns: 1.3fr 1fr 1fr 0.8fr;
    align-items: start;
  }
}

.legal-note {
  border-top: 1px solid var(--line);
  padding: var(--space-3) 0;
}

/* Compact navigation */
.nav-wrap { min-height: 76px; }
.main-nav { display: flex; align-items: center; gap: clamp(1.2rem, 2.5vw, 2.4rem); }
.main-nav .btn { padding: .8rem 1.25rem; }
.site-footer { margin-top: clamp(3.5rem, 6vw, 6rem); }

@media (max-width: 900px) {
  .nav-wrap { min-height: 72px; }
  .main-nav { display: block; }
  .main-nav .btn { margin-top: var(--space-4); }
}

/* Off-Canvas-Menü darf den Layout-Viewport auf Mobilgeräten nicht verbreitern */
html, body { overflow-x: clip; }

/* Telefon im Header (Click-to-call) */
.header-phone {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  text-decoration: none;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.header-phone svg { flex: none; }
.main-nav__phone { display: none; }

@media (min-width: 901px) {
  .main-nav { order: 2; margin-left: auto; }
  .header-phone { order: 3; }
}
@media (min-width: 901px) and (max-width: 1239px) {
  .header-phone__number { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .header-phone { min-width: 44px; min-height: 44px; justify-content: center; border: 1px solid var(--line-strong); }
}
@media (min-width: 901px) and (max-width: 1199px) {
  .main-nav { gap: 1rem; }
  .main-nav ul { gap: 1.1rem; }
  .main-nav a { font-size: 0.8rem; letter-spacing: 0.06em; }
  .main-nav .btn { padding: .7rem .9rem; }
}
.main-nav a, .main-nav .btn, .brand small { white-space: nowrap; }

@media (max-width: 900px) {
  /* backdrop-filter würde position:fixed (Off-Canvas-Menü, Overlay) auf den Header begrenzen */
  .site-header { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--bg); }
  .header-phone {
    margin-left: auto;
    min-width: 44px;
    min-height: 44px;
    justify-content: center;
    border: 1px solid var(--line-strong);
  }
  .header-phone__number { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
  .nav-wrap { gap: 0.6rem; }
  .menu-toggle { min-height: 44px; }
  .main-nav { z-index: 210; }
  .main-nav__phone {
    display: block;
    margin-top: var(--space-3);
    font-size: 1.05rem;
    text-decoration: underline;
  }
}

/* Footer-Ergänzungen */
.footer-address { font-style: normal; margin-bottom: var(--space-3); line-height: 1.7; }
.footer-phone { font-size: 1.15rem; }
.footer-owner { color: var(--muted); font-size: var(--text-sm); }
.footer-social { display: flex; gap: 1.2rem; }

/* Mobile Aktionsleiste: nur auf kleinen Viewports, verdeckt nichts dank Body-Padding */
.mobile-cta { display: none; }
@media (max-width: 900px) {
  body { padding-bottom: calc(60px + env(safe-area-inset-bottom, 0px)); }
  .mobile-cta {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 130;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background: var(--line);
    border-top: 1px solid var(--line-strong);
  }
  .mobile-cta a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 60px;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.82rem;
  }
  .mobile-cta__call { background: var(--surface); color: var(--text); }
  .mobile-cta__form { background: var(--dark); color: #f5f5f3; }
  .mobile-cta a:focus-visible { outline: 2px solid var(--dark); outline-offset: -4px; }
  .mobile-cta__form:focus-visible { outline-color: #f5f5f3; }
  /* Bei geöffnetem Menü oder aktiver Formulareingabe ausblenden (Tastatur) */
  body.menu-open .mobile-cta,
  body:has(.contact-form :focus) .mobile-cta { display: none; }
}
@media print { .mobile-cta, .paint-progress { display: none !important; } }

/* Header-CTA: Unterkante nicht durch .main-nav a (border-bottom transparent) verlieren */
.main-nav .btn { border-bottom: 1px solid var(--dark); padding-bottom: .7rem; }