.header {
    background-color: var(--white);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    height: 60px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--button-color);
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icon i {
    color: var(--button-color);
    font-size: 1.5rem;
    transition: color 0.3s ease;
}

.social-icon:hover i {
    color: var(--text-color);
}

.mobile-social {
    display: none;
}

.burger {
    display: none;
    cursor: pointer;
    z-index: 100;
    width: 30px;
    height: 20px;
    position: relative;
}

.burger div {
    width: 100%;
    height: 3px;
    background-color: var(--text-color);
    position: absolute;
    transition: all 0.3s ease;
}

.burger div:nth-child(1) {
    top: 0;
}

.burger div:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.burger div:nth-child(3) {
    bottom: 0;
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100vh;
        background: var(--white);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 1rem;
        transition: left 0.3s ease;
        z-index: 10;
    }
    
    .burger {
        display: block;
    }
    
    .desktop-social {
        display: none;
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .burger.active div:nth-child(1) {
        transform: rotate(45deg) translate(5px, 9px);
        background-color: var(--button-color);
    }
    
    .burger.active div:nth-child(2) {
        opacity: 0;
    }
    
    .burger.active div:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -9px);
        background-color: var(--button-color);
    }

    .nav-links li {
        width: 100%;
        text-align: center;
        padding: 1rem 0;
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
        opacity: 0;
        transform: translateX(-20px);
        transition: all 0.3s ease;
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links.active li {
        opacity: 1;
        transform: translateX(0);
    }

    .nav-links li:nth-child(1) { transition-delay: 0.2s; }
    .nav-links li:nth-child(2) { transition-delay: 0.3s; }
    .nav-links li:nth-child(3) { transition-delay: 0.4s; }
    .nav-links li:nth-child(4) { transition-delay: 0.5s; }

    .mobile-social {
        display: flex;
        justify-content: center;
        gap: 1.5rem;
        margin-top: 2rem;
        width: 100%;
        padding: 1rem 0;
        border-top: 1px solid rgba(0, 0, 0, 0.1);
    }

    .mobile-social .social-icon i {
        font-size: 1.8rem;
    }

    .nav-links a {
        display: block;
        font-size: 1.2rem;
        padding: 0.5rem 0;
    }
}