/* ===== HEADER STYLES - DIGISAPIENCE ===== */

.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: rgba(14, 14, 14, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--space-3) 0;
    transition: all var(--transition-fast);
}

.site-header.scrolled {
    padding: var(--space-2) 0;
    background: rgba(10, 10, 10, 0.95);
}

.header-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

/* Logo */
.logo {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    text-decoration: none;
    line-height: 1;
}

.logo span {
    color: var(--primary);
}

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

.nav-list {
    display: flex;
    gap: var(--space-4);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 1rem;
    padding: var(--space-1) 0;
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link i {
    font-size: 0.75rem;
    transition: transform var(--transition-fast);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-fast);
    border-radius: var(--radius-full);
}

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

/* Dropdown Menu */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--space-2) 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-fast);
    box-shadow: var(--glass-shadow);
    z-index: var(--z-dropdown);
}

.nav-item:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

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

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: var(--space-2) var(--space-4);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-size: 0.95rem;
    white-space: nowrap;
}

.dropdown-menu a:hover {
    background: rgba(var(--primary-rgb), 0.1);
    color: var(--primary);
    padding-left: var(--space-5);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 360px;
    height: 100vh;
    background: var(--bg-surface);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-left: 1px solid var(--glass-border);
    padding: var(--space-6) var(--space-4);
    transition: right var(--transition-base);
    z-index: calc(var(--z-modal) + 50);
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.5);
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border);
}

.mobile-close {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 2rem;
    cursor: pointer;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.mobile-nav-item {
    margin-bottom: var(--space-1);
}

.mobile-nav-link {
    display: block;
    padding: var(--space-3) 0;
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 500;
    border-bottom: 1px solid var(--border);
    transition: color var(--transition-fast);
    text-decoration: none;
}

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

.mobile-actions {
    margin-top: var(--space-8);
}

.mobile-actions .btn {
    width: 100%;
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: calc(var(--z-modal) + 40);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

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

/* Responsive */
@media (max-width: 1024px) {
    .desktop-nav {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .header-actions .btn span {
        display: none;
    }
    
    .header-actions .btn i {
        margin: 0;
    }
    
    .header-actions .btn {
        width: 40px;
        height: 40px;
        padding: 0;
        border-radius: var(--radius-full);
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .header-actions {
        gap: var(--space-1);
    }
    
    .logo {
        font-size: 1.25rem;
    }
}