/* ============================================================
   EIFEL-KURIER – nav.css
   Navigation, Header, Hamburger-Menü
   ============================================================ */

/* --- Top-Bar (optional) ----------------------------------- */
.topbar {
  background: var(--color-dark-green);
  color: var(--color-white);
  font-size: 0.82rem;
  padding: 8px 0;
}

.topbar .container {
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: flex-end;
}

.topbar-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.topbar-item a {
  color: rgba(255,255,255,0.9);
  transition: color var(--transition);
}

.topbar-item a:hover {
  color: var(--color-light-green);
}

/* --- Header ----------------------------------------------- */
.site-header {
  position: fixed;
  top: 0; /* wird per JS dynamisch angepasst */
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--color-white);
  transition: box-shadow var(--transition), padding var(--transition);
}

.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.12);
}

.has-topbar .site-header {
  top: 37px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 16px;
}

/* --- Logo ------------------------------------------------- */
.nav-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  text-decoration: none;
}

.nav-logo img {
  height: 58px;
  width: auto;
}

.nav-logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-dark-green);
  letter-spacing: -0.02em;
}

/* --- Desktop Navigation ----------------------------------- */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-menu a {
  display: block;
  padding: 8px 14px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-black);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}

.nav-menu a:hover {
  color: var(--color-light-green);
  background: rgba(106,191,75,0.08);
}

.nav-menu a.active {
  color: var(--color-dark-green);
  font-weight: 600;
}

/* --- CTA Button in Nav ------------------------------------ */
.nav-cta {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--color-light-green);
  color: var(--color-white) !important;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform var(--transition);
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--color-dark-green) !important;
  transform: translateY(-1px);
}

/* --- Hamburger -------------------------------------------- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  padding: 0;
  cursor: pointer;
  background: none;
  border: none;
  z-index: 1100;
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--color-black);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
}
.hamburger.open span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* --- Mobile Menu ------------------------------------------ */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(340px, 100vw);
  background: var(--color-white);
  box-shadow: -4px 0 40px rgba(0,0,0,0.15);
  z-index: 1050;
  flex-direction: column;
  padding: 80px 32px 40px;
  gap: 4px;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
  overflow-y: auto;
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu a {
  display: block;
  padding: 14px 0;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-black);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--transition), padding-left var(--transition);
}

.mobile-menu a:hover {
  color: var(--color-dark-green);
  padding-left: 8px;
}

.mobile-menu a.active {
  color: var(--color-dark-green);
  font-weight: 600;
}

.mobile-menu .nav-cta {
  display: inline-flex;
  margin-top: 24px;
  border-bottom: none;
  padding: 12px 24px;
}

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1040;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

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

.mobile-menu-close {
  position: absolute;
  top: 24px;
  right: 24px;
  font-size: 1.2rem;
  color: var(--color-gray-mid);
  cursor: pointer;
  padding: 8px;
  border-radius: 50%;
  transition: background var(--transition);
}

.mobile-menu-close:hover {
  background: var(--color-gray-light);
}

/* --- Responsive ------------------------------------------- */
@media (max-width: 900px) {
  .nav-menu { display: none; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: flex; }
  .mobile-overlay { display: block; }
}

@media (max-width: 480px) {
  .header-inner { height: 64px; }
  .nav-logo img { height: 46px; }

  /* Zweites Topbar-Item (E-Mail) ausblenden, damit die Telefonnummer
     nicht umbricht und vom fixierten Header verdeckt wird. */
  .topbar .container { justify-content: center; }
  .topbar-item:nth-child(2) { display: none; }
}