.container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 16px;
}

.page-main {
    padding-bottom: 80px;
}

.section {
    padding: 72px 0;
}

.section--light {
    background: transparent;
}

.section--muted {
    background: transparent;
}

.section--seo {
    background: transparent;
    border-top: 1px solid rgba(148, 163, 184, 0.25);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(16px);
    background: linear-gradient(90deg, rgba(15, 23, 42, 0.88), rgba(30, 64, 175, 0.88));
    border-bottom: 1px solid rgba(148, 163, 184, 0.35);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 12px 16px;
}

.site-footer {
    border-top: 1px solid #1f2937;
    background: radial-gradient(circle at top left, #020617, #020617 45%, #0f172a 100%);
    padding: 40px 0;
}

@media (max-width: 960px) {
    body {
        padding-bottom: 72px;
    }
}

.footer-inner {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 32px;
}

@media (max-width: 960px) {
    .header-inner {
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .footer-inner {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .footer-inner {
        grid-template-columns: 1fr;
    }
}