/* ========================================
   LEWIUS HEADER STYLES
   ======================================== */

/* === CSS Variables (ergänzend zur Hauptseite) === */
:root {
    /* Colors */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #1a1a1a;
    --color-text-primary: #ffffff;
    --color-text-secondary: #d4d4d4;
    --color-accent-gold: #d4af37;
    --color-accent-warm: #ffd700;
    --glow-primary: rgba(212, 175, 55, 0.4);
    
    /* Typography */
    --font-display: 'Cormorant Garamond', serif;
    --font-body: 'Montserrat', sans-serif;
    
    /* Transitions */
    --transition-base: 0.3s ease;
}

/* === Header Container === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

.header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--color-accent-gold) 50%, 
        transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.header:hover::after {
    opacity: 0.3;
}

.header-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 200px;
    background: radial-gradient(ellipse, var(--glow-primary) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.6s ease;
    pointer-events: none;
}

.header:hover .header-glow {
    opacity: 0.15;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    position: relative;
    z-index: 2;
}

/* === Logo === */
.header-logo {
    flex-shrink: 0;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--color-text-primary);
    transition: all var(--transition-base);
}

.logo-link:hover {
    transform: translateY(-2px);
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--color-accent-gold);
    transition: all var(--transition-base);
    filter: drop-shadow(0 0 10px var(--glow-primary));
}

.logo-link:hover .logo-icon {
    transform: rotate(90deg);
    filter: drop-shadow(0 0 20px var(--glow-primary));
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 400;
    letter-spacing: 0.05em;
    background: linear-gradient(135deg, var(--color-text-primary) 0%, var(--color-accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === Navigation === */
.header-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-list {
    display: flex;
    gap: 2.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 300;
    text-decoration: none;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    transition: color var(--transition-base);
    position: relative;
    padding: 0.5rem 0;
    display: block;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent-gold);
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link:focus {
    color: var(--color-text-primary);
}

.nav-link:hover::after,
.nav-link:focus::after {
    width: 100%;
}

/* === Header Actions === */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
}

.action-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 400;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    background: transparent;
    color: var(--color-text-primary);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.action-button::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(212, 175, 55, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.5s, height 0.5s;
}

.action-button:hover::before {
    width: 200px;
    height: 200px;
}

.action-button:hover {
    border-color: var(--color-accent-gold);
    color: var(--color-accent-gold);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.2);
}

.configure-btn {
    background: linear-gradient(135deg, var(--color-accent-gold), var(--color-accent-warm));
    color: var(--color-bg-primary);
    border: none;
    font-weight: 500;
}

.configure-btn:hover {
    box-shadow: 0 6px 20px var(--glow-primary);
    color: var(--color-bg-primary);
}

.cart-btn {
    position: relative;
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-gold);
    color: var(--color-bg-primary);
    font-size: 0.7rem;
    font-weight: 500;
    border-radius: 9px;
    line-height: 1;
}

/* === Mobile Menu Toggle === */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    transition: transform var(--transition-base);
}

.mobile-menu-toggle:hover {
    transform: scale(1.1);
}

.menu-icon {
    width: 24px;
    height: 2px;
    background: var(--color-accent-gold);
    transition: all var(--transition-base);
    border-radius: 2px;
}

.mobile-menu-toggle:hover .menu-icon {
    background: var(--color-accent-warm);
}

/* === Mobile Navigation === */
.mobile-nav {
    display: none;
    position: fixed;
    top: 76px;
    left: 0;
    width: 100%;
    height: calc(100vh - 76px);
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.4s ease;
    pointer-events: none;
}

.mobile-nav.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.mobile-nav-content {
    padding: 2rem;
}

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

.mobile-nav-item {
    margin-bottom: 0.5rem;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.3s ease;
}

.mobile-nav.active .mobile-nav-item {
    opacity: 1;
    transform: translateX(0);
}

.mobile-nav-item:nth-child(1) { transition-delay: 0.1s; }
.mobile-nav-item:nth-child(2) { transition-delay: 0.15s; }
.mobile-nav-item:nth-child(3) { transition-delay: 0.2s; }
.mobile-nav-item:nth-child(4) { transition-delay: 0.25s; }
.mobile-nav-item:nth-child(5) { transition-delay: 0.3s; }

.mobile-nav-link {
    display: block;
    padding: 1rem 0;
    font-family: var(--font-body);
    font-size: 1.25rem;
    font-weight: 300;
    text-decoration: none;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all var(--transition-base);
}

.mobile-nav-link:hover,
.mobile-nav-link:focus {
    color: var(--color-accent-gold);
    padding-left: 1rem;
}

.mobile-nav-link.featured {
    margin-top: 1rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--color-accent-gold), var(--color-accent-warm));
    color: var(--color-bg-primary);
    border: none;
    text-align: center;
    border-radius: 2px;
}

.mobile-nav-link.featured:hover {
    padding-left: 2rem;
    box-shadow: 0 4px 20px var(--glow-primary);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
    .header-container {
        padding: 1rem 1.5rem;
    }
    
    .nav-list {
        gap: 1.5rem;
    }
    
    .nav-link {
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    .header-nav {
        display: none;
    }
    
    .configure-btn span {
        display: none;
    }
    
    .configure-btn {
        padding: 0.625rem;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-nav {
        display: block;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 0.875rem 1rem;
    }
    
    .logo-text {
        font-size: 1.5rem;
    }
    
    .logo-icon {
        width: 28px;
        height: 28px;
    }
    
    .header-actions {
        gap: 0.5rem;
    }
    
    .action-button {
        padding: 0.5rem 0.875rem;
        font-size: 0.75rem;
    }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-accent-gold);
    outline-offset: 4px;
}

/* Ensure content doesn't hide under fixed header */
body {
    padding-top: 76px;
}