#design-section {
    --design-bg: #141414;
    --design-bar: rgba(20, 20, 20, 0.92);
    --design-text: #f2f2f2;
    --design-muted: #9a9a9a;
    --design-btn: #14b8a6; /* teal accent, change to match your site */
    --design-btn-text: #0a0a0a;
    --design-radius: 14px;

    padding: 4rem clamp(1rem, 5vw, 4rem);
    max-width: 1200px;
    margin-inline: auto;
}

/* Center the heading and the intro text */
#design-section > h2,
#design-section > .design-intro {
    text-align: center;
}

.design-intro {
    max-width: 60ch;
    margin: 0.5rem auto 2rem;
    opacity: 0.8;
}

/* ---------- Grid of cards ---------- */
.design-grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.design-card {
    position: relative;
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    padding: 0;
    border: 0;
    border-radius: var(--design-radius);
    overflow: hidden;
    background: #ddd;
    cursor: pointer;
    text-align: left;
    font: inherit;
}

.design-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.design-card:hover img,
.design-card:focus-visible img {
    transform: scale(1.05);
}

.design-card:focus-visible {
    outline: 3px solid currentColor;
    outline-offset: 4px;
}

.design-card-caption {
    position: absolute;
    inset: auto 0 0 0;
    padding: 3.5rem 1rem 1rem;
    color: #fff;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.82), transparent);
}

.design-card-caption strong {
    display: block;
    font-size: 1rem;
    line-height: 1.3;
}

.design-card-caption span {
    font-size: 0.85rem;
    opacity: 0.75;
}
.design-viewer {
    width: 100%;
    height: 100%;
    max-width: none;
    max-height: none;
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
}

.design-viewer::backdrop {
    background: rgba(0, 0, 0, 0.72);
    backdrop-filter: blur(4px);
}

.design-viewer-scroll {
    max-width: 1000px;
    height: 100%;
    margin: 0 auto;
    overflow-y: auto;
    background: var(--design-bg);
    color: var(--design-text);
}

@media (min-width: 700px) {
    .design-viewer-scroll {
        height: calc(100% - 3rem);
        margin-block: 1.5rem;
        border-radius: 18px;
    }
}

.design-viewer-bar {
    position: sticky;
    top: 0;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 1.25rem;
    background: var(--design-bar);
    backdrop-filter: blur(8px);
}

.design-viewer-bar button {
    padding: 0.5rem 1rem;
    border: 0;
    border-radius: 999px;
    background: var(--design-btn);
    color: var(--design-btn-text);
    font: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
}

.design-viewer-bar div {
    display: flex;
    gap: 0.5rem;
}

.design-viewer-head {
    padding: 1.5rem clamp(1.25rem, 5vw, 3rem) 2rem;
}

.design-viewer-head h3 {
    margin: 0;
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    line-height: 1.15;
}

.design-viewer-head p {
    margin: 0.75rem 0 0;
    max-width: 65ch;
    color: var(--design-muted);
}

#design-viewer-meta {
    font-size: 0.9rem;
}

.design-viewer-pages {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 0 clamp(1rem, 5vw, 3rem) 3rem;
}

.design-viewer-pages img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    background: #ddd;
}

@media (prefers-reduced-motion: reduce) {
    .design-card img {
        transition: none;
    }
}