/* ==========================================================================
   Header Component Styles - Kobukoerier.nl
   Navigation bar with logo and responsive menu
   ========================================================================== */

.header {
    position: sticky;
    top: 0;
    width: 100%;
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 0.98) 0%,
        rgba(255, 255, 255, 0.95) 100%
    );
    backdrop-filter: blur(12px) saturate(180%);
    box-shadow: 0 2px 8px rgba(30, 64, 175, 0.06),
                0 1px 2px rgba(30, 64, 175, 0.03);
    z-index: var(--z-sticky);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid rgba(30, 64, 175, 0.06);
}

.header--scrolled {
    box-shadow: 0 4px 16px rgba(30, 64, 175, 0.12),
                0 2px 4px rgba(30, 64, 175, 0.06);
    background: linear-gradient(
        180deg,
        rgba(255, 255, 255, 1) 0%,
        rgba(255, 255, 255, 0.98) 100%
    );
    border-bottom: 1px solid rgba(30, 64, 175, 0.1);
}

.header__container {
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 1.125rem var(--spacing-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 76px;
}

/* Logo Styles */
.header__logo {
    flex-shrink: 0;
}

.header__logo a {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0.5rem;
    margin: -0.5rem;
    border-radius: var(--radius-md);
}

.header__logo a:hover {
    transform: translateY(-1px);
    background: linear-gradient(
        135deg,
        rgba(30, 64, 175, 0.04) 0%,
        rgba(56, 189, 248, 0.04) 100%
    );
}

.header__logo a:focus {
    outline: none;
    transform: translateY(-1px);
}

.header__logo-image {
    height: 50px;
    width: auto;
    max-width: 200px;
    transition: transform var(--transition-base);
}

.header__logo a:hover .header__logo-image {
    transform: scale(1.05);
}

.header__logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin: 0;
    letter-spacing: -0.8px;
    line-height: 1;
    display: flex;
    align-items: baseline;
    gap: 1px;
    background: linear-gradient(
        135deg,
        var(--color-primary) 0%,
        #2563eb 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header__logo-accent {
    color: var(--color-secondary);
    font-weight: 800;
    background: linear-gradient(
        135deg,
        var(--color-secondary) 0%,
        #f59e0b 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hide logo text on very small screens */
@media (max-width: 480px) {
    .header__logo-text {
        display: none;
    }
}

/* Navigation Styles */
.header__nav {
    position: relative;
}

/* Mobile Menu Toggle */
.header__nav-toggle {
    display: none; /* Hidden on desktop, shown on mobile */
    width: 40px;
    height: 40px;
    padding: var(--spacing-sm);
    background-color: transparent;
    border: none;
    cursor: pointer;
    z-index: var(--z-fixed);
    transition: background-color var(--transition-base);
}

.header__nav-toggle:hover {
    background-color: rgba(30, 64, 175, 0.06);
    border-radius: var(--radius-md);
}

.header__nav-toggle:focus {
    outline: none;
    background-color: rgba(30, 64, 175, 0.08);
    border-radius: var(--radius-md);
}

/* Hamburger Icon */
.header__nav-toggle-icon {
    position: relative;
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    transition: background-color var(--transition-base);
}

.header__nav-toggle-icon::before,
.header__nav-toggle-icon::after {
    content: '';
    position: absolute;
    left: 0;
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    transition: transform var(--transition-base), top var(--transition-base);
}

.header__nav-toggle-icon::before {
    top: -8px;
}

.header__nav-toggle-icon::after {
    top: 8px;
}

/* Animated hamburger to X */
.header__nav-toggle[aria-expanded="true"] .header__nav-toggle-icon {
    background-color: transparent;
}

.header__nav-toggle[aria-expanded="true"] .header__nav-toggle-icon::before {
    top: 0;
    transform: rotate(45deg);
}

.header__nav-toggle[aria-expanded="true"] .header__nav-toggle-icon::after {
    top: 0;
    transform: rotate(-45deg);
}

/* Navigation List */
.header__nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
}

.header__nav-item {
    position: relative;
}

.header__nav-link {
    display: block;
    padding: 0.625rem 1.125rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    letter-spacing: 0.2px;
    border-radius: var(--radius-md);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.header__nav-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(30, 64, 175, 0.06) 0%,
        rgba(56, 189, 248, 0.06) 100%
    );
    border-radius: var(--radius-md);
    opacity: 0;
    transition: opacity 0.25s ease;
}

.header__nav-link:hover::before,
.header__nav-link:focus::before {
    opacity: 1;
}

.header__nav-link:hover,
.header__nav-link:focus {
    color: var(--color-primary);
    transform: translateY(-1px);
}

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

/* Active nav link */
.header__nav-link--active {
    color: var(--color-primary);
    font-weight: 700;
    background: linear-gradient(
        135deg,
        rgba(30, 64, 175, 0.08) 0%,
        rgba(56, 189, 248, 0.08) 100%
    );
}

.header__nav-link--active::before {
    opacity: 1;
}

/* CTA Link */
.header__nav-link--cta {
    background: linear-gradient(
        135deg,
        var(--color-primary) 0%,
        #2563eb 100%
    );
    color: white;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(30, 64, 175, 0.2);
}

.header__nav-link--cta::before {
    display: none;
}

.header__nav-link--cta:hover {
    background: linear-gradient(
        135deg,
        #2563eb 0%,
        var(--color-primary) 100%
    );
    color: white;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
    transform: translateY(-2px);
}

/* CTA button in navigation */
.header__nav-link--cta {
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
}

.header__nav-link--cta:hover,
.header__nav-link--cta:focus {
    background-color: var(--color-primary-dark);
    color: white;
}

/* ==========================================================================
   Mobile Navigation Styles (Base - Enhanced in responsive.css)
   ========================================================================== */

@media (max-width: 768px) {
    /* Mobile header styling */
    .header {
        background: linear-gradient(
            180deg,
            rgba(255, 255, 255, 1) 0%,
            rgba(255, 255, 255, 0.98) 100%
        );
        backdrop-filter: blur(16px) saturate(180%);
    }
    
    .header__container {
        padding: 0.75rem var(--spacing-lg);
        min-height: 60px;
    }
    
    /* Show mobile menu toggle - make it sticky */
    .header__nav-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        z-index: calc(var(--z-sticky) + 2);
        width: 44px;
        height: 44px;
    }
    
    /* Mobile navigation menu - beautiful gradient design */
    .header__nav-list {
        position: fixed;
        top: 60px;
        right: 0;
        height: calc(100vh - 60px);
        width: 260px;
        max-width: 75%;
        /* Beautiful gradient background */
        background: linear-gradient(
            180deg,
            #f8fafc 0%,
            #f1f5f9 50%,
            #e2e8f0 100%
        );
        box-shadow: -4px 0 24px rgba(30, 64, 175, 0.15),
                    -1px 0 4px rgba(30, 64, 175, 0.08);
        border-left: 2px solid rgba(59, 130, 246, 0.2);
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
        padding: var(--spacing-xl) var(--spacing-lg);
        transform: translateX(100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        z-index: calc(var(--z-sticky) + 1);
    }
    
    /* Show mobile menu when toggle is active */
    .header__nav-toggle[aria-expanded="true"] ~ .header__nav-list {
        transform: translateX(0);
    }
    
    .header__nav-item {
        width: 100%;
        margin-bottom: 0.25rem;
    }
    
    .header__nav-item:last-child {
        margin-bottom: 0;
    }
    
    .header__nav-link {
        width: 100%;
        padding: 0.875rem 1rem;
        font-size: 0.9375rem;
        text-align: left;
        background: white;
        border-radius: var(--radius-md);
        border: 1px solid rgba(30, 64, 175, 0.08);
        transition: all 0.2s ease;
    }
    
    .header__nav-link:hover {
        background: linear-gradient(
            135deg,
            rgba(59, 130, 246, 0.08) 0%,
            rgba(147, 197, 253, 0.08) 100%
        );
        border-color: rgba(59, 130, 246, 0.2);
        transform: translateX(4px);
    }
    
    .header__nav-link--active {
        background: linear-gradient(
            135deg,
            rgba(59, 130, 246, 0.12) 0%,
            rgba(147, 197, 253, 0.12) 100%
        );
        border-color: rgba(59, 130, 246, 0.25);
        font-weight: 700;
    }
    
    .header__nav-link--cta {
        margin-top: var(--spacing-md);
        text-align: center;
        background: linear-gradient(
            135deg,
            var(--color-primary) 0%,
            #2563eb 100%
        );
        color: white;
        border: none;
        box-shadow: 0 2px 8px rgba(30, 64, 175, 0.25);
        font-weight: 700;
    }
    
    .header__nav-link--cta:hover {
        background: linear-gradient(
            135deg,
            #2563eb 0%,
            var(--color-primary) 100%
        );
        transform: translateX(0) translateY(-2px);
        box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
    }
}

/* NO dark overlay - removed for cleaner look */