/**
 * Primary site header (landing-style nav) — loaded globally with layout shell.
 */
.site-landing-header .header-wrapper {
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    background: var(--bg-base);
    border-bottom: 1px solid var(--border-light);
}

.site-landing-header .header-block {
    position: relative;
    background-color: var(--bg-base);
    min-height: 4.6875rem;
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    width: 100%;
}

.site-landing-header .header-block .logo-wrapper {
    display: flex;
    align-items: center;
    padding: 0 clamp(1.25rem, 4vw, 2.5rem);
    border-right: 1px solid var(--border-light);
}

.site-landing-header .logo-minimal {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.site-landing-header .logo-minimal span {
    color: var(--accent-blue);
}

.site-landing-header .menu-container {
    display: flex;
    flex-grow: 1;
    align-items: stretch;
    justify-content: space-between;
}

.site-landing-header .nav-block {
    display: flex;
    flex-grow: 1;
}

.site-landing-header .nav-block a {
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    border-right: 1px solid var(--border-light);
    transition: all var(--transition-speed) ease;
}

.site-landing-header .nav-block a:hover {
    background-color: var(--bg-body);
    color: var(--text-primary);
}

.site-landing-header .nav-block a.active {
    color: var(--text-primary);
    background-color: var(--bg-body);
}

.site-landing-header .cta-wrapper {
    display: flex;
    align-items: center;
    padding: 0 2rem;
    gap: var(--radius-lg);
}

.site-landing-header .cta-wrapper .btn-primary {
    background-color: var(--text-primary);
    color: var(--bg-base);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-speed);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    border: 1px solid var(--text-primary);
    font-size: 0.95rem;
    cursor: pointer;
    gap: var(--radius-sm);
}

.site-landing-header .cta-wrapper .btn-primary:hover {
    background-color: var(--btn-primary-hover-bg);
    border-color: var(--btn-primary-hover-bg);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.site-landing-header .mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: 0 1.25rem;
    line-height: 1;
}

@media (max-width: 992px) {
    .site-landing-header .header-block .logo-wrapper {
        border-right: none;
    }

    .site-landing-header .mobile-menu-btn {
        display: block;
    }

    .site-landing-header .menu-container {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 4.6875rem;
        left: 0;
        width: 100%;
        background: var(--bg-base);
        box-shadow: var(--shadow-md);
        border-bottom: 1px solid var(--border-light);
    }

    .site-landing-header .menu-container.active {
        display: flex;
    }

    .site-landing-header .nav-block {
        flex-direction: column;
    }

    .site-landing-header .nav-block a {
        border-right: none;
        border-bottom: 1px solid var(--border-light);
        padding: 0.9375rem 2.5rem;
    }

    .site-landing-header .cta-wrapper {
        padding: 1.25rem 2.5rem;
        justify-content: flex-start;
        flex-direction: column;
        width: 100%;
        align-items: stretch;
    }
}