.site-header,
.site-footer,
.site-main {
    width: min(var(--container), calc(100% - 32px));
    margin-inline: auto;
}
.site-header {
    position: sticky;
    top: 12px;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 70px;
    margin-top: 12px;
    padding: 12px 14px;
    background: rgba(5, 5, 5, .78);
    border: 1px solid var(--color-line);
    border-radius: 24px;
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-card);
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark { width: 34px; height: 34px; object-fit: contain; }
.brand-name { color: var(--color-gold-light); letter-spacing: .08em; font-family: var(--font-display); font-size: 18px; }
.desktop-nav { display: none; gap: 22px; color: var(--color-muted); font-size: 14px; }
.desktop-nav a:hover { color: var(--color-gold-light); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.site-main { padding: 26px 0 70px; }
.section-pad { padding: 28px 0; }
.site-footer {
    display: grid;
    gap: 18px;
    padding: 28px 0 40px;
    border-top: 1px solid var(--color-line);
    color: var(--color-muted);
}
.site-footer strong { color: var(--color-gold-light); font-family: var(--font-display); letter-spacing: .08em; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 16px; }
.mobile-menu {
    position: fixed;
    top: 94px;
    left: 16px;
    right: 16px;
    z-index: 60;
    display: grid;
    gap: 8px;
    padding: 16px;
    border: 1px solid var(--color-line);
    border-radius: 20px;
    background: rgba(8, 8, 7, .96);
    box-shadow: var(--shadow-card);
}
.mobile-menu[hidden] {
    display: none !important;
}

body.mobile-menu-open {
    overflow: hidden;
}
.mobile-menu a { padding: 14px; border-radius: 14px; color: var(--color-muted); background: rgba(255,255,255,.03); }
.mobile-menu a:hover { color: var(--color-gold-light); }