.container {
    width: min(100% - 2rem, var(--container));
    margin-inline: auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    height: var(--header-h);
    background: color-mix(in srgb, var(--color-background) 88%, white);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
    border-bottom-color: var(--color-border);
}

.header-inner {
    height: var(--header-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.brand-mark {
    height: 30px;
    width: auto;
    flex-shrink: 0;
}

.brand-name {
    font-size: 1.05rem;
    letter-spacing: -0.04em;
}

.header-nav {
    display: none;
    align-items: center;
    gap: var(--space-5);
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.site-footer {
    padding: var(--space-10) 0 var(--space-8);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.page-shell {
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
}

.page-shell main {
    flex: 1;
}

@media (min-width: 768px) {
    .header-nav {
        display: flex;
    }

    .footer-inner {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}