.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 255px), 1fr));
    gap: clamp(16px, 2vw, 28px);
}
.case-card {
    display: flex;
    flex-direction: column;
    padding: 0;
    border: 1px solid #363237;
    border-radius: 16px;
    overflow: hidden;
    text-align: left;
    background: #1b191c;
    color: #fff;
    font: inherit;
    cursor: pointer;
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.case-card:hover, .case-card:focus-visible {
    border-color: #ff3976;
    box-shadow: 0 16px 32px #0006;
    transform: translateY(-4px);
}
.case-card:focus-visible, .case-panel button:focus-visible, .case-panel a:focus-visible {
    outline: 2px solid #ff739e;
    outline-offset: 3px;
}
.case-cover {
    width: 100%;
    aspect-ratio: 3 / 2;
    display: grid;
    place-items: center;
    overflow: hidden;
    background: #21191e;
}
.case-cover img { width: 100%; height: 100%; object-fit: cover; }
.case-initials {
    color: #fff;
    font-weight: 700;
    font-size: 52px;
    letter-spacing: -.07em;
    padding: 10px 24px;
    border-radius: 18px;
    background: linear-gradient(145deg, #f81f01, #ee076e);
}
.case-copy { display: grid; gap: 8px; padding: 18px; flex: 1; width: 100%; }
.case-category { color: #ff81aa; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }
.case-copy strong { color: #fff; font-size: 1.19rem; line-height: 1.25; }
.case-summary { color: #d0c8cf; font-size: .91rem; }
.case-action { color: #ff9fbd; font-weight: 600; align-self: end; margin-top: 8px; }
.case-layout.is-open {
    display: grid;
    grid-template-columns: minmax(180px, 26%) minmax(0, 1fr);
    align-items: start;
    gap: clamp(16px, 3vw, 36px);
}
.case-panel {
    min-width: 0;
    border: 1px solid #4f434c;
    border-radius: 16px;
    background: #181619;
    color: #fff;
}
.case-panel[hidden] { display: none; }
.is-open .case-grid { grid-template-columns: 1fr; gap: 10px; }
.is-open .case-card {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr);
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: 10px;
}
.is-open .case-card:hover, .is-open .case-card:focus-visible { transform: none; }
.is-open .case-card[aria-pressed="true"] { border-color: #ff3976; background: #35202b; }
.is-open .case-cover { border-radius: 5px; }
.is-open .case-initials { font-size: 17px; padding: 2px 7px; border-radius: 5px; }
.is-open .case-copy { padding: 0; }
.is-open .case-copy strong { font-size: .88rem; overflow-wrap: anywhere; }
.is-open .case-copy > :not(strong) { display: none; }
@media (max-width: 575px) {
    .case-layout.is-open { grid-template-columns: minmax(0, 1fr); }
    .is-open .case-grid {
        grid-template-columns: none;
        grid-auto-flow: column;
        grid-auto-columns: 145px;
        overflow-x: auto;
        padding: 4px 4px 10px;
    }
    .is-open .case-card { grid-template-columns: 44px minmax(0, 1fr); }
}
.case-toolbar {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 12px clamp(16px, 4vw, 34px);
    background: #201d21;
    border-bottom: 1px solid #443b42;
}
.case-toolbar button {
    min-height: 42px;
    padding: 5px 12px;
    color: #fff;
    background: #30292f;
    border: 1px solid #584953;
    border-radius: 8px;
    cursor: pointer;
}
.case-toolbar button:hover { border-color: #ff739e; }
.case-detail { padding: clamp(18px, 5vw, 44px); }
.case-detail h2, .case-detail h3 { color: #fff; }
.case-detail h2 { font-size: clamp(27px, 5vw, 48px); margin: 8px 0; }
.case-detail h3 { font-size: 1.15rem; }
.case-detail p, .case-detail li, .case-detail figcaption { color: #ddd3da; text-align: left; }
.case-detail-image { width: 100%; max-height: 350px; object-fit: contain; background: #21191e; border-radius: 12px; }
.case-detail-body { display: grid; gap: 20px; margin-top: 24px; }
.case-detail-body p { margin-bottom: 0; }
.case-detail a { color: #ff9fbd; }
.case-detail figure img { border-radius: 8px; }
.case-stack { display: flex; gap: 8px; flex-wrap: wrap; padding: 0; list-style: none; }
.case-stack li { padding: 4px 10px; border-radius: 8px; background: #30292f; }
@media (prefers-reduced-motion: reduce) {
    .case-card { transition: none; }
    .case-card:hover, .case-card:focus-visible { transform: none; }
}