/**
 * Navigation Styles - CSS für Header-Navigation
 * 
 * Pfad: public/assets/css/modules/navigation.css
 * 
 * Funktionen:
 * - Header Navigation (Desktop + Mobile)
 * - Logo-System (SVG + IMG Fallback)
 * - CTA-Button Styles
 * - Mobile Menu Overlay
 * - Hamburger Menu Animation
 * - Responsive Navigation
 * 
 * Verwendet CSS-Variablen aus style.css:
 * --primary-color, --text-dark, --text-light
 * --shadow-sm, --shadow-md, --transition-fast, --transition-normal
 */

/* ==========================================================================
   Desktop Navigation
   ========================================================================== */

.main-nav {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    margin: 0;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
    position: relative;
    border-bottom: 2px solid transparent;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.nav-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ==========================================================================
   CTA Section
   ========================================================================== */

.cta-section {
    display: flex;
    align-items: center;
    margin-left: 2rem;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 25px;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--primary-color);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: white;
    text-decoration: none;
}

.cta-button:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.cta-button i {
    font-size: 0.9rem;
}

.cta-button span {
    white-space: nowrap;
}

/* ==========================================================================
   Mobile Menu Toggle
   ========================================================================== */

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    position: relative;
    width: 44px;
    height: 44px;
    justify-content: center;
    align-items: center;
    border-radius: 8px;
    transition: background-color var(--transition-fast);
}

.mobile-menu-toggle:hover {
    background: rgba(44, 90, 160, 0.1);
}

.mobile-menu-toggle:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Hamburger Lines */
.hamburger-line {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-dark);
    position: absolute;
    transition: all var(--transition-fast);
    border-radius: 1px;
}

.hamburger-line:nth-child(1) {
    top: 14px;
}

.hamburger-line:nth-child(2) {
    top: 20px;
}

.hamburger-line:nth-child(3) {
    top: 26px;
}

/* Mobile Icon Fallback */
.mobile-icon {
    display: none;
    font-size: 1.5rem;
    color: var(--text-dark);
}

/* Hamburger Animation when menu is active */
.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg);
    top: 20px;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg);
    top: 20px;
}

/* ==========================================================================
   Mobile Navigation Overlay
   ========================================================================== */

.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.8);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    backdrop-filter: blur(5px);
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
    position: absolute;
    top: 0;
    right: 0;
    width: 320px;
    max-width: 90vw;
    height: 100vh;
    background: white;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    box-shadow: var(--shadow-lg);
    overflow-y: auto;
}

.mobile-nav-overlay.active .mobile-nav {
    transform: translateX(0);
}

/* ==========================================================================
   Mobile Navigation Header
   ========================================================================== */

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--accent-color);
}

.mobile-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mobile-nav-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-dark);
    padding: 0.5rem;
    cursor: pointer;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.mobile-nav-close:hover {
    background: rgba(44, 90, 160, 0.1);
    color: var(--primary-color);
}

/* ==========================================================================
   Mobile Navigation Menu
   ========================================================================== */

.mobile-nav-menu {
    list-style: none;
    margin: 0;
    padding: 1rem 0;
}

.mobile-nav-menu li {
    margin: 0;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 2rem;
    color: var(--text-dark);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    border-left: 4px solid transparent;
}

.mobile-nav-link:hover {
    background: var(--accent-color);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    text-decoration: none;
}

.mobile-nav-link.active {
    background: var(--accent-color);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    font-weight: 600;
}

.mobile-nav-link i {
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
    color: var(--primary-color);
}

/* ==========================================================================
   Mobile CTA
   ========================================================================== */

.mobile-cta {
    padding: 2rem;
    border-top: 1px solid var(--border-color);
    background: var(--secondary-color);
    margin-top: auto;
}

.mobile-cta-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 1rem 1.5rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    border-radius: 12px;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.mobile-cta-button:hover {
    background: #1a4480;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: white;
    text-decoration: none;
}

.mobile-cta-button i {
    font-size: 1.2rem;
}

/* ==========================================================================
   Logo System
   ========================================================================== */

.logo svg {
    height: 55px;
    max-width: 280px;
    width: auto;
    transition: all var(--transition-fast);
}

.logo .logo-image {
    height: 55px;
    max-width: 280px;
    width: auto;
    object-fit: contain;
    transition: all var(--transition-fast);
}

.logo:hover svg,
.logo:hover .logo-image {
    transform: scale(1.05);
}

.logo:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 4px;
    border-radius: 8px;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

/* Tablet */
@media (max-width: 1024px) {
    .nav-menu {
        gap: 1.5rem;
    }
    
    .cta-section {
        margin-left: 1.5rem;
    }
    
    .cta-button span {
        display: none;
    }
    
    .cta-button {
        padding: 0.75rem;
        border-radius: 50%;
        width: 44px;
        height: 44px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    /* Hide desktop navigation */
    .main-nav {
        display: none;
    }
    
    .cta-section {
        display: none;
    }
    
    /* Show mobile toggle */
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Fallback für Browser ohne CSS Grid Support */
    .mobile-icon {
        display: block;
    }
    
    .hamburger-line {
        display: none;
    }
    
    /* Responsive Logo */
    .logo svg,
    .logo .logo-image {
        height: 45px;
        max-width: 200px;
    }
    
    /* Mobile Navigation anpassen */
    .mobile-nav {
        width: 280px;
    }
    
    .mobile-nav-header {
        padding: 1rem 1.5rem;
    }
    
    .mobile-nav-link {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }
    
    .mobile-cta {
        padding: 1.5rem;
    }
    
    .mobile-cta-button {
        font-size: 1rem;
        padding: 0.875rem 1.25rem;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .logo svg,
    .logo .logo-image {
        height: 40px;
        max-width: 180px;
    }
    
    .mobile-nav {
        width: 260px;
    }
    
    .mobile-nav-header {
        padding: 1rem;
    }
    
    .mobile-logo {
        font-size: 1.3rem;
    }
    
    .mobile-nav-link {
        padding: 0.75rem 1rem;
        font-size: 0.95rem;
    }
    
    .mobile-cta {
        padding: 1rem;
    }
}

/* Large Desktop */
@media (min-width: 1200px) {
    .logo svg,
    .logo .logo-image {
        height: 60px;
        max-width: 300px;
    }
    
    .nav-menu {
        gap: 2.5rem;
    }
    
    .cta-section {
        margin-left: 2.5rem;
    }
}

/* ==========================================================================
   Feature Detection Support
   ========================================================================== */

/* Für Browser ohne backdrop-filter Support */
@supports not (backdrop-filter: blur(5px)) {
    .mobile-nav-overlay {
        background: rgba(0, 0, 0, 0.9);
    }
}

/* Für Browser mit CSS Grid Support */
@supports (display: grid) {
    .mobile-icon {
        display: none;
    }
    
    .hamburger-line {
        display: block;
    }
}

/* ==========================================================================
   Animation Preferences
   ========================================================================== */

/* Respektiere Nutzer-Präferenzen für reduzierte Bewegung */
@media (prefers-reduced-motion: reduce) {
    .mobile-nav,
    .mobile-nav-overlay,
    .hamburger-line,
    .cta-button,
    .mobile-cta-button,
    .nav-link {
        transition: none;
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    .mobile-menu-toggle,
    .mobile-nav-overlay,
    .cta-section {
        display: none !important;
    }
}
/* Mobile-Header Layout */
.mobile-nav-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: .75rem 1rem;
}

/* Logo-Container sichtbar machen */
.mobile-logo{
  display:inline-flex;
  align-items:center;
  min-height:44px;     /* gibt dem Container Höhe */
  line-height:1;
}

/* IMG-Fallback & Inline-SVG einheitlich skalieren */
.mobile-logo img,
.mobile-logo svg{
  display:block;       /* kein inline-gap */
  height:44px;         /* fixe, mobile Header-Höhe */
  width:auto;          /* Seitenverhältnis beibehalten */
  max-width:200px;     /* Sicherheitslimit gegen Ausreißer */
}

/* Falls SVG interne width/height besitzt, überschreiben */
.mobile-logo svg[width]{ width:auto !important; }
.mobile-logo svg[height]{ height:44px !important; }

/* Falls das SVG keine viewBox hat, notfalls etwas Breite erzwingen */
.mobile-logo svg:not([viewBox]){ width:140px !important; }

/* Link neutralisieren */
.mobile-logo-link{
  display:inline-flex;
  align-items:center;
  text-decoration:none;
}