/* ============================================
   İMKON Metal - Shared Styles
   ============================================ */

/* CSS Custom Properties - Design Tokens */
:root {
    /* Primary Colors */
    --color-primary: #1173d4;
    --color-primary-hover: #0d5bb0;
    --color-primary-light: rgba(17, 115, 212, 0.1);
    
    /* Background Colors */
    --color-bg-light: #f6f7f8;
    --color-bg-dark: #101922;
    --color-surface-dark: #1a2632;
    --color-surface-darker: #0b1218;
    
    /* Border Colors */
    --color-border-dark: #233648;
    --color-border-light: #e5e7eb;
    
    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: #92adc9;
    --color-text-muted: #64748b;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

/* Glass Navigation Effect */
.glass-nav {
    background: rgba(16, 25, 34, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border-dark);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Dropdown Menu Styles */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-content {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 280px;
    background: var(--color-surface-dark);
    border: 1px solid var(--color-border-dark);
    border-radius: var(--radius-lg);
    padding: var(--spacing-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    z-index: 100;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

.nav-dropdown-content a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-dropdown-content a:hover {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.nav-dropdown-content a .material-symbols-outlined {
    font-size: 1.25rem;
    color: var(--color-primary);
}

/* Active Navigation State */
.nav-link-active {
    color: var(--color-text-primary) !important;
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 2px;
}

/* Mobile Menu */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 40;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

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

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--color-surface-dark);
    border-left: 1px solid var(--color-border-dark);
    z-index: 50;
    padding: var(--spacing-xl);
    transition: right var(--transition-base);
    overflow-y: auto;
}

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

.mobile-menu-close {
    position: absolute;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.mobile-menu-close:hover {
    color: var(--color-text-primary);
}

.mobile-nav-item {
    display: block;
    padding: var(--spacing-md) 0;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid var(--color-border-dark);
    transition: color var(--transition-fast);
}

.mobile-nav-item:hover {
    color: var(--color-primary);
}

.mobile-nav-submenu {
    padding-left: var(--spacing-lg);
}

.mobile-nav-submenu a {
    display: block;
    padding: var(--spacing-sm) 0;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.mobile-nav-submenu a:hover {
    color: var(--color-primary);
}

/* Utility Classes */
.text-primary { color: var(--color-primary); }
.bg-primary { background-color: var(--color-primary); }
.border-primary { border-color: var(--color-primary); }

/* Animation Keyframes */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}