.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem var(--layout-page-gutter);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    background-color: rgba(242, 239, 230, 0.94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 100;
    transition: box-shadow var(--transition-normal);
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    flex: 0 0 auto;
    color: var(--color-text);
    text-decoration: none;
}

.brand__mark {
    display: block;
    width: 40px;
    height: 40px;
    flex: 0 0 auto;
}

.brand__wordmark {
    display: block;
    font-family: "Plus Jakarta Sans", var(--font-family-base);
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 0.94;
    letter-spacing: -0.035em;
}

.brand__wordmark span,
.footer-wordmark span {
    display: block;
}

.site-header.is-scrolled {
    box-shadow: 0 4px 20px rgba(11, 16, 19, 0.05);
}

.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background-color: var(--color-bg);
    z-index: 200;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.mobile-menu-overlay.is-open {
    transform: translateX(0);
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-16) var(--layout-page-gutter);
    border-bottom: 1px solid var(--color-border);
}

.mobile-menu-nav {
    display: flex;
    flex-direction: column;
    padding: var(--space-24) var(--layout-page-gutter);
    gap: var(--space-16);
}

.mobile-menu-link {
    font-size: 1.5rem;
    font-weight: 600;
    text-decoration: none;
    color: var(--color-text);
    padding: var(--space-8) 0;
    border-bottom: 1px solid var(--color-border);
}

.desktop-menu {
    display: none !important;
}
.mobile-only-menu-btn {
    display: flex !important;
}

@media (min-width: 768px) {
    .site-header {
        padding: 0.85rem var(--layout-page-gutter);
    }
    .brand__mark {
        width: 42px;
        height: 42px;
    }
    .brand__wordmark { font-size: 0.92rem; }
    .desktop-menu {
        display: flex !important;
    }
    .mobile-only-menu-btn {
        display: none !important;
    }
}

.site-main {
    min-height: 60vh;
}

.site-footer {
    padding: var(--space-24) var(--layout-page-gutter);
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    margin-top: var(--space-32);
}

.footer-identity {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    max-width: 34rem;
}

.footer-wordmark {
    width: max-content;
    color: var(--color-text);
    font-family: "Plus Jakarta Sans", var(--font-family-base);
    font-size: 1rem;
    font-weight: 600;
    line-height: 0.94;
    letter-spacing: -0.035em;
    text-decoration: none;
}

.footer-identity__claim {
    color: var(--color-text-muted);
}

.footer-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-8) var(--space-12);
    font-size: var(--font-size-sm);
    color: var(--color-text-subtle);
}

.footer-nav__group {
    display: inline-flex;
    align-items: center;
    gap: var(--space-12);
}

.footer-nav__group a,
.footer-nav__utility a {
    color: var(--color-text-subtle);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-nav__group a:hover,
.footer-nav__group a:focus-visible,
.footer-nav__utility a:hover,
.footer-nav__utility a:focus-visible {
    color: var(--color-text);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.footer-nav__dot {
    color: var(--color-border);
    user-select: none;
}

.footer-nav__divider {
    display: inline-block;
    width: 1px;
    height: 14px;
    background-color: var(--color-border);
    margin-inline: var(--space-8);
    opacity: 0.9;
}

/* Four distinct service routes; the fine separators retain the footer's quiet character. */
.footer-nav__utility {
    display: grid;
    grid-template-columns: repeat(4, max-content);
    align-items: stretch;
}

.footer-nav__utility a {
    display: flex;
    align-items: center;
    min-height: 1.9rem;
    padding: 0.15rem clamp(0.55rem, 1.2vw, 0.85rem);
    border-left: 1px solid var(--color-border);
}

.footer-nav__utility a:last-child {
    border-right: 1px solid var(--color-border);
}

.footer-link--action {
    color: var(--color-text) !important;
    font-weight: 600;
}

.footer-link--legal {
    color: var(--color-text-muted);
}

@media (max-width: 680px) {
    .site-footer {
        padding-block: var(--space-20);
    }

    .footer-nav {
        display: grid;
        grid-template-columns: 1fr;
        width: min(100%, 28rem);
        align-items: flex-start;
        gap: 1.35rem;
        font-size: 0.82rem;
    }

    .footer-nav__group {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        width: 100%;
        gap: 0;
        border-block: 1px solid var(--color-border);
    }

    .footer-nav__group a {
        padding: 0.65rem 0.2rem;
        text-align: center;
    }

    .footer-nav__dot,
    .footer-nav__divider {
        display: none;
    }

    .footer-nav__utility {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        width: 100%;
        border-top: 1px solid var(--color-border);
    }

    .footer-nav__utility a {
        justify-content: flex-start;
        padding: 0.65rem 0.75rem;
        border-bottom: 1px solid var(--color-border);
    }
}

/* Layout Containers */
.container {
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--layout-page-gutter);
    padding-right: var(--layout-page-gutter);
}

.container--page { max-width: var(--layout-max-width); }
.container--wide { max-width: 1200px; }
.container--content { max-width: 900px; }
.container--prose { max-width: var(--layout-prose-width); }

/* Section Spacing */
.section {
    padding-top: var(--space-32);
    padding-bottom: var(--space-32);
}
.section--hero {
    padding-top: clamp(3rem, 10vw, 8rem);
    padding-bottom: clamp(3rem, 10vw, 8rem);
}
.section--bg-surface {
    background-color: var(--color-surface);
}
.section--bg-raised {
    background-color: var(--color-surface-raised);
}

/* Grid Layouts */
.grid-layout {
    display: grid;
    gap: var(--space-16);
    grid-template-columns: 1fr;
}
@media (min-width: 768px) {
    .grid-layout {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
}

.grid-2 {
    display: grid;
    gap: var(--space-24);
    grid-template-columns: 1fr;
}
@media (min-width: 820px) {
    .grid-2 { grid-template-columns: 1fr 1fr; }
}

.grid-3 {
    display: grid;
    gap: var(--space-16);
    grid-template-columns: 1fr;
}
@media (min-width: 768px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
}