/* Modern navigation styles */
header {
    background: white;
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    padding: 10px 0;
}

header .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header .logo {
    height: 60px;
    padding: 5px 0;
}

header .logo img {
    height: 100%;
    display: block;
}

header nav {
    display: flex;
    align-items: center;
}

header .nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 30px;
}

header .nav-item {
    position: relative;
}

header .nav-link {
    color: #333;
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    padding: 10px 0;
    display: block;
    position: relative;
    transition: all 0.3s ease;
}

header .nav-link:hover,
header .nav-link.active {
    color: #e31e24;
}

header .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: #e31e24;
    transform: scaleX(1);
}

/* Mobile menu toggle */
header .mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    cursor: pointer;
    z-index: 1001;
}

header .mobile-menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background-color: #333;
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* Mobile navigation */
@media (max-width: 768px) {
    header .mobile-menu-toggle {
        display: flex;
    }
    
    header .nav-menu {
        position: fixed;
        top: 80px;
        right: -100%;
        width: 80%;
        height: calc(100vh - 80px);
        background: white;
        flex-direction: column;
        align-items: flex-start;
        padding: 20px;
        transition: all 0.3s ease;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
        gap: 20px;
        overflow-y: auto;
    }
    
    header .nav-menu.active {
        right: 0;
    }
    
    header .nav-item {
        width: 100%;
    }
    
    header .nav-link {
        padding: 12px 0;
        width: 100%;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }
    
    /* Animation for hamburger to X */
    header .mobile-menu-toggle.active span:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    
    header .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    header .mobile-menu-toggle.active span:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
}