/* === ШАПКА САЙТА === */
.header {
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header__inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: calc(var(--spacing-unit) * 2);
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 2);
}

.header__brand {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing-unit) * 1.5);
    text-decoration: none;
    color: var(--color-primary-dark);
}

.header__brand:hover {
    color: var(--color-primary);
}

.header__logo {
    width: 40px;
    height: 40px;
    background-color: var(--color-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-family: var(--font-serif);
    font-weight: bold;
    font-size: 0.95rem;
    letter-spacing: -0.02em;
    flex-shrink: 0;
}

.header__brand-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.header__title {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.2;
}

.header__tagline {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-text-muted);
}

.header__nav {
    display: flex;
    flex-wrap: wrap;
    gap: calc(var(--spacing-unit) * 1.5);
}

.header__nav-link {
    font-size: 0.875rem;
    text-decoration: none;
    color: var(--color-text-muted);
    padding: var(--spacing-unit) calc(var(--spacing-unit) * 1.5);
    border-radius: var(--radius-sm);
    transition: color var(--transition), background-color var(--transition);
}

.header__nav-link:hover {
    color: var(--color-primary);
    background-color: var(--color-sand);
}

@media (min-width: 768px) {
    .header__inner {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 3);
    }

    .header__title {
        font-size: 1.25rem;
    }

    .header__tagline {
        font-size: 0.8125rem;
    }
}