/* Critical shell — loads before style.css on every page (no FOUC) */
:root {
    --shell-bg: #e8edf5;
    --navy-text: #0f172a;
    --navy-muted: #475569;
    --font-main: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

html { scroll-behavior: smooth; scroll-padding-top: 56px; margin: 0; padding: 0; }

body.site-premium {
    margin: 0;
    padding: 0;
    font-family: var(--font-main);
    line-height: 1.6;
    color: #1e293b;
    background: var(--shell-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

body.site-premium h1,
body.site-premium h2,
body.site-premium h3,
body.site-premium h4,
body.site-premium .logo-name {
    font-family: var(--font-heading);
    color: var(--navy-text);
}

header#header,
header.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 56px;
    background: var(--shell-bg);
    border-bottom: 1px solid rgba(37, 99, 235, 0.2);
}

header#header .container,
header.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 56px;
    padding-top: 0;
    padding-bottom: 0;
    gap: 0.75rem;
}

main { padding-top: 56px; }

footer.site-footer {
    background: transparent;
    margin-top: 0;
    padding: 0.55rem 0 0.05rem;
}

.floating-buttons {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

@media (max-width: 768px) {
    html { scroll-padding-top: 52px; }
    header#header,
    header.site-header { height: 52px; }
    header#header .container,
    header.site-header .container { min-height: 52px; }
    main { padding-top: 52px; }
}