/* ========================================
   STROMFEE.CLUB - Shared Navigation Styles
   Mega-Menu mit 4 Kategorien
   ======================================== */

:root {
  --nav-bg: rgba(255, 255, 255, 0.95);
  --nav-text: #1e293b;
  --nav-muted: #64748b;
  --nav-accent: #22d3ee;
  --nav-accent-dark: #06b6d4;
  --nav-border: rgba(148, 163, 184, 0.3);
  --nav-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* Main Navigation Bar */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--nav-border);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.main-nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 64px;
}

/* Logo / Brand */
.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--nav-text);
}

.nav-brand span {
  color: var(--nav-accent);
}

.nav-brand:hover {
  opacity: 0.9;
}

/* Main Menu Items */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  color: var(--nav-text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  transition: all 0.2s;
}

.nav-link:hover {
  background: rgba(34, 211, 238, 0.1);
  color: var(--nav-accent);
}

.nav-link .arrow {
  font-size: 10px;
  transition: transform 0.2s;
}

.nav-item:hover .nav-link .arrow {
  transform: rotate(180deg);
}

/* Mega Menu Dropdown */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 480px;
  background: white;
  border: 1px solid var(--nav-border);
  border-radius: 16px;
  box-shadow: var(--nav-shadow);
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.25s ease;
  pointer-events: none;
}

.nav-item:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.mega-menu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.mega-menu-col h4 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--nav-muted);
  margin-bottom: 12px;
  font-weight: 600;
}

.mega-menu-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mega-menu-col li {
  margin-bottom: 4px;
}

.mega-menu-col a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  color: var(--nav-text);
  text-decoration: none;
  font-size: 14px;
  border-radius: 8px;
  transition: all 0.15s;
}

.mega-menu-col a:hover {
  background: rgba(34, 211, 238, 0.1);
  color: var(--nav-accent);
}

.mega-menu-col a .icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
}

.mega-menu-col a .label {
  flex: 1;
}

.mega-menu-col a .badge {
  font-size: 10px;
  padding: 2px 6px;
  background: var(--nav-accent);
  color: white;
  border-radius: 4px;
  font-weight: 600;
}

/* CTA Button */
.nav-cta {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: linear-gradient(135deg, var(--nav-accent) 0%, var(--nav-accent-dark) 100%);
  color: white;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.2s;
  box-shadow: 0 2px 8px rgba(34, 211, 238, 0.3);
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(34, 211, 238, 0.4);
}

/* Mobile Menu Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--nav-text);
  border-radius: 2px;
  transition: all 0.2s;
}

/* Body padding for fixed nav */
body.has-main-nav {
  padding-top: 64px;
}

/* Responsive */
@media (max-width: 1024px) {
  .nav-menu {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    flex-direction: column;
    align-items: stretch;
    background: white;
    padding: 20px;
    gap: 0;
    transform: translateX(-100%);
    transition: transform 0.3s;
  }

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

  .nav-toggle {
    display: flex;
  }

  .mega-menu {
    position: static;
    transform: none;
    min-width: 100%;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: 16px;
    max-height: 0;
    overflow: hidden;
    opacity: 1;
    visibility: visible;
  }

  .nav-item.open .mega-menu {
    max-height: 500px;
    padding: 16px;
  }

  .mega-menu-grid {
    grid-template-columns: 1fr;
  }

  .nav-cta {
    margin-top: 16px;
  }
}