:root {
    --primary-purple: #2d1741;
    --secondary-purple: #5e3289;
    --accent-red: #e03345;
    --text-gray: #4b5563;
    --text-white: #ffffff;
    --bg-white: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Gopher Regular, sans-serif;
}

header {
    width: 100%;
    background: var(--bg-white);
    box-shadow: 0 2px 5px var(--shadow-color);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    height: 80px;
}

.header-container {
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

.logo {
    margin-right: auto;
}

.logo img {
    height: 50px;
    width: auto;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-gray);
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--secondary-purple);
}

.burger-menu {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.burger-menu span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-gray);
    margin: 6px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

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

.burger-menu.active span:nth-child(2) {
    opacity: 0;
}

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

@media (max-width: 768px) {
    .burger-menu {
        display: block;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: var(--bg-white);
        flex-direction: column;
        padding: 1rem;
        text-align: center;
        box-shadow: 0 2px 5px var(--shadow-color);
        transform: translateY(-100%);
        transition: transform 0.3s ease;
    }

    .nav-links.active {
        display: flex;
        transform: translateY(0);
    }

    .nav-links li {
        padding: 1rem 0;
    }

    .nav-links a {
        font-size: 1.2rem;
    }
}

main {
    padding-top: 80px;
}