.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-5);
}

.site-header {
    border-bottom: 1px solid var(--color-border);
    background: rgba(13, 19, 48, 0.7);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 10;
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    padding: var(--space-4) 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-text);
    text-decoration: none;
}

.brand:hover {
    text-decoration: none;
    color: var(--color-text);
}

.brand__mark {
    width: 34px;
    height: 34px;
    flex-shrink: 0;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.main-nav a {
    color: var(--color-text-muted);
    font-weight: 600;
    font-size: 0.95rem;
}

.main-nav a:hover,
.main-nav a:focus-visible {
    color: var(--color-text);
    text-decoration: none;
}

main {
    padding: var(--space-8) 0;
    min-height: calc(100vh - 160px);
}

.site-footer {
    border-top: 1px solid var(--color-border);
    padding: var(--space-5) 0;
    color: var(--color-text-faint);
    font-size: 0.875rem;
    text-align: center;
}

.site-footer p {
    margin: 0 0 var(--space-2);
    color: inherit;
}

.site-footer p:last-child {
    margin-bottom: 0;
}

.site-footer a {
    color: var(--color-text-faint);
    text-decoration: underline;
}

.site-footer a:hover,
.site-footer a:focus-visible {
    color: var(--color-text);
}

.page-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-6) var(--space-4);
}

@media (max-width: 640px) {
    .container {
        padding: 0 var(--space-4);
    }

    .site-header__inner {
        flex-wrap: wrap;
        gap: var(--space-3);
    }

    .main-nav {
        flex-wrap: wrap;
        gap: var(--space-3) var(--space-4);
    }

    .verify-banner__inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .main-nav a {
        font-size: 0.875rem;
    }

    main {
        padding: var(--space-6) 0;
    }
}