.header {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 50;

    width: 100%;
    padding: 18px 0;

    background: rgba(14, 18, 23, 0.74);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(18px);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.logo {
    display: inline-flex;
    align-items: center;

    font-size: 22px;
    font-weight: 900;
    letter-spacing: -0.5px;
    color: var(--color-text);
}

.logo span {
    margin-left: 3px;
    color: var(--color-gold-light);
}

.nav {
    display: flex;
    align-items: center;
    gap: 30px;

    color: rgba(255, 255, 255, 0.72);
    font-size: 15px;
    font-weight: 600;
}

.nav a {
    position: relative;
    transition: var(--transition);
}

.nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -8px;

    width: 0;
    height: 2px;
    border-radius: 999px;

    background: var(--color-gold-light);
    transition: var(--transition);
}

.nav a:hover {
    color: var(--color-text);
}

.nav a:hover::after {
    width: 100%;
}

.header__phone {
    display: inline-flex;
    align-items: center;
    justify-content: center;

    min-height: 44px;
    padding: 0 18px;
    border-radius: 999px;

    color: var(--color-gold-light);
    background: rgba(217, 168, 95, 0.12);
    border: 1px solid rgba(217, 168, 95, 0.28);

    font-size: 15px;
    font-weight: 800;
    transition: var(--transition);
}

.header__phone:hover {
    transform: translateY(-2px);
    background: rgba(217, 168, 95, 0.18);
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 999px;

    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;

    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);

    cursor: pointer;
}

.menu-toggle span {
    width: 18px;
    height: 2px;
    border-radius: 999px;
    background: var(--color-text);
    transition: var(--transition);
}

.header.is-open .menu-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.header.is-open .menu-toggle span:nth-child(2) {
    opacity: 0;
}

.header.is-open .menu-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}