.header {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: #000;
    border-bottom: 1px solid #333;
    z-index: 1000;
    height: 64px;
}

.header-container {
    max-width: 1536px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.nav-left {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-item {
    color: #fff;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: opacity 0.2s;
    letter-spacing: 0.03em;
}

.nav-item:hover {
    opacity: 0.6;
}

.nav-item.active {
    opacity: 0.5;
}

.logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: #fff;
}

.logo-image {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.nav-right {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.social-icon {
    color: #fff;
    transition: opacity 0.2s;
    display: flex;
    align-items: center;
}

.social-icon:hover {
    opacity: 0.6;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    position: relative;
    transition: background 0.3s;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: #fff;
    transition: transform 0.3s;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}