/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-sticky);
    padding: var(--space-md) 0;
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    padding: var(--space-xs) 0;
    box-shadow: var(--shadow-sm);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: auto;
    width: 150px;
    transition: all var(--transition-normal);
}

header.scrolled .logo img {
    height: 40px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-item {
    position: relative;
    margin: 0 var(--space-xs);
}

.nav-link {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: var(--font-sm);
    padding: var(--space-xs) var(--space-sm);
    transition: all var(--transition-normal);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
}

.nav-link:hover {
    color: var(--primary);
    background-color: rgba(1, 87, 255, 0.05);
}

.dropdown-toggle svg {
    margin-left: var(--space-2xs);
    transition: transform var(--transition-normal);
}

.dropdown-toggle:hover svg {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    border-radius: var(--radius-md);
    min-width: 200px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-normal);
    padding: var(--space-xs);
    margin-top: var(--space-xs);
    z-index: var(--z-dropdown);
}

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

.dropdown-item {
    display: block;
    padding: var(--space-xs) var(--space-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-fast);
    border-radius: var(--radius-sm);
    font-size: var(--font-sm);
}

.dropdown-item:hover {
    background-color: var(--neutral-100);
    color: var(--primary);
}

.language-switcher {
    margin-left: var(--space-md);
    display: flex;
    align-items: center;
    border-radius: var(--radius-full);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background-color: var(--neutral-100);
}

.language-btn {
    background: none;
    border: none;
    padding: var(--space-2xs) var(--space-xs);
    font-weight: 600;
    font-size: var(--font-xs);
    cursor: pointer;
    transition: all var(--transition-normal);
    color: var(--text-tertiary);
}

.language-btn.active {
    background-color: var(--primary);
    color: white;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 40px;
    position: relative;
    z-index: 1002;
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-normal);
    position: absolute;
    left: 8px;
}

.mobile-toggle span:nth-child(1) {
    top: 14px;
}

.mobile-toggle span:nth-child(2) {
    top: 20px;
}

.mobile-toggle span:nth-child(3) {
    top: 26px;
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg);
    top: 20px;
}

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

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

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: var(--z-drawer);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

@media (max-width: 991px) {
    .mobile-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -300px;
        width: 280px;
        height: 100vh;
        background-color: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px var(--space-md) var(--space-md);
        transition: all var(--transition-normal);
        z-index: 1001;
        box-shadow: var(--shadow-lg);
        overflow-y: auto;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .overlay.active {
        opacity: 1;
        visibility: visible;
    }
    
    .nav-item {
        width: 100%;
        margin: var(--space-2xs) 0;
    }
    
    .nav-link {
        width: 100%;
        padding: var(--space-sm);
    }
    
    .dropdown-menu {
        position: static;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        width: 100%;
        background-color: var(--neutral-100);
        margin-top: 0;
        border-radius: var(--radius-sm);
    }
    
    .dropdown-menu.active {
        display: block;
    }
    
    .language-switcher {
        margin: var(--space-md) 0 0;
        align-self: center;
    }
}
      
/* Footer */
footer {
    background-color: var(--dark);
    color: var(--white);
    padding: var(--space-xl) 0 var(--space-md);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-info {
    padding-right: var(--space-xl);
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: var(--space-md);
    position: relative;
    display: block;
    color: var(--white);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-md);
    font-size: var(--font-sm);
}

.social-links {
    display: flex;
    gap: var(--space-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    transition: all var(--transition-normal);
}

.social-link:hover {
    background-color: var(--primary);
    transform: translateY(-3px);
}

.footer-title {
    font-size: var(--font-md);
    margin-bottom: var(--space-md);
    color: var(--white);
    position: relative;
    padding-bottom: var(--space-xs);
    font-weight: 600;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--primary);
    border-radius: 2px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-link {
    margin-bottom: var(--space-xs);
}

.footer-link a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all var(--transition-normal);
    font-size: var(--font-sm);
}

.footer-link a:hover {
    color: var(--white);
}

.footer-bottom {
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-xs);
}

@media (max-width: 991px) {
    .footer-top {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-info {
        grid-column: span 2;
        padding-right: 0;
        margin-bottom: var(--space-lg);
    }
}

@media (max-width: 576px) {
    .footer-top {
        grid-template-columns: 1fr;
    }
    
    .footer-info {
        grid-column: span 1;
    }
    
    .footer-column {
        margin-bottom: var(--space-lg);
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: var(--space-xs);
    }
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    text-decoration:none;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-5px);
}