.page {
    width: clamp(760px, 72vw, var(--site-width));
    margin-inline: auto;
    padding-inline: var(--page-gutter);
    position: relative;
}

.page::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background: rgba(0, 0, 0, 0.35);
    border-left: 3px solid rgba(255, 255, 255, 0.35);
    border-right: 3px solid rgba(255, 255, 255, 0.35);
    box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.6);
}

.banner-container {
    text-align: center;
    padding-top: var(--space-lg);
    margin-bottom: var(--space-lg);
    box-sizing: border-box;
}

.banner {
    width: 100%;
    display: block;
    margin: 0 auto;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.main-container {
    display: flex;
    gap: var(--space-lg);
    padding-bottom: var(--space-xl);
    box-sizing: border-box;
}

.sidebar {
    flex: 0 0 clamp(200px, 22%, 240px);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.content {
    flex: 1;
    background: rgba(20, 20, 20, 0.7);
    backdrop-filter: blur(5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-sizing: border-box;
    padding: var(--space-lg);
}

.content-image {
    display: block;
    max-width: 100%;
    margin-inline: auto;
    margin-top: var(--space-lg);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.6);
}