.capability-showcase {
    --capability-accent: 56, 189, 248;
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(290px, .55fr);
    gap: 18px;
    margin-top: 48px;
    padding: 18px;
    border: 1px solid rgba(148, 163, 184, .16);
    border-radius: 34px;
    background:
        radial-gradient(circle at 18% 8%, rgba(var(--capability-accent), .14), transparent 34%),
        linear-gradient(145deg, rgba(10, 20, 34, .94), rgba(2, 7, 14, .98));
    box-shadow: 0 34px 90px rgba(0, 0, 0, .34), inset 0 1px rgba(255, 255, 255, .04);
    overflow: hidden;
    transition: --capability-accent 300ms ease;
}

.capability-showcase::before {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image: linear-gradient(rgba(148, 163, 184, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(148, 163, 184, .035) 1px, transparent 1px);
    background-size: 30px 30px;
    mask-image: linear-gradient(90deg, #000, transparent 72%);
}

.capability-admin-open {
    position: relative;
    z-index: 2;
    grid-column: 1 / -1;
    justify-self: end;
    min-height: 38px;
    margin: 0 2px -2px 0;
    padding: 8px 16px;
    border: 1px solid rgba(var(--capability-accent), .52);
    border-radius: 12px;
    background: rgba(var(--capability-accent), .14);
    color: #f8fafc;
    font: 800 12px/1.1 "Space Grotesk", sans-serif;
    cursor: pointer;
    box-shadow: 0 10px 28px rgba(0, 0, 0, .22);
}

.capability-admin-open:hover,
.capability-admin-open:focus-visible {
    border-color: rgba(var(--capability-accent), .85);
    background: rgba(var(--capability-accent), .24);
    outline: none;
}

.capability-admin-open[hidden] { display: none !important; }

.capability-theater,
.capability-chapters {
    position: relative;
    z-index: 1;
}

.capability-theater {
    min-width: 0;
    overflow: hidden;
    border: 1px solid rgba(var(--capability-accent), .2);
    border-radius: 25px;
    background: #030912;
    box-shadow: 0 24px 60px rgba(0, 0, 0, .3);
}

.capability-media {
    position: relative;
    min-height: 420px;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #02060c;
}

.capability-video,
.capability-visual {
    width: 100%;
    height: 100%;
}

.capability-video {
    display: block;
    object-fit: contain;
    background: #02060c;
}

.capability-video[hidden],
.capability-visual[hidden] {
    display: none !important;
}

.capability-visual {
    position: absolute;
    inset: 0;
    overflow: hidden;
    background:
        radial-gradient(circle at 50% 48%, rgba(var(--capability-accent), .22), transparent 16%),
        radial-gradient(circle at 50% 48%, rgba(var(--capability-accent), .08), transparent 43%),
        linear-gradient(155deg, #071221, #02060c 74%);
}

.capability-grid {
    position: absolute;
    left: -15%;
    right: -15%;
    bottom: -42%;
    height: 78%;
    transform: perspective(420px) rotateX(58deg);
    transform-origin: center top;
    background-image: linear-gradient(rgba(var(--capability-accent), .18) 1px, transparent 1px), linear-gradient(90deg, rgba(var(--capability-accent), .18) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: linear-gradient(to bottom, transparent, #000 28%, #000 70%, transparent);
    animation: capability-grid-shift 8s linear infinite;
}

.capability-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 44%;
    aspect-ratio: 1;
    border: 1px solid rgba(var(--capability-accent), .42);
    border-radius: 50%;
    box-shadow: 0 0 36px rgba(var(--capability-accent), .08), inset 0 0 36px rgba(var(--capability-accent), .06);
}

.capability-orbit::after {
    content: '';
    position: absolute;
    top: -5px;
    left: 50%;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: rgb(var(--capability-accent));
    box-shadow: 0 0 22px rgb(var(--capability-accent));
}

.capability-orbit-a { transform: translate(-50%, -50%) rotateX(63deg) rotateZ(8deg); animation: capability-orbit-a 8s linear infinite; }
.capability-orbit-b { width: 30%; transform: translate(-50%, -50%) rotateY(66deg) rotateZ(-12deg); animation: capability-orbit-b 6s linear infinite reverse; }

.capability-core {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 94px;
    height: 94px;
    transform: translate(-50%, -50%) rotate(45deg);
    border: 1px solid rgba(var(--capability-accent), .7);
    background: linear-gradient(145deg, rgba(var(--capability-accent), .28), rgba(4, 12, 22, .92));
    box-shadow: 0 0 60px rgba(var(--capability-accent), .28), inset 0 0 24px rgba(var(--capability-accent), .18);
    animation: capability-core 4.8s ease-in-out infinite;
}

.capability-core i {
    position: absolute;
    inset: 14px;
    border: 1px solid rgba(var(--capability-accent), .42);
}
.capability-core i:nth-child(2) { inset: 28px; }
.capability-core i:nth-child(3) { inset: 41px; background: rgb(var(--capability-accent)); box-shadow: 0 0 18px rgb(var(--capability-accent)); }

.capability-media-badges {
    position: absolute;
    inset: 18px 18px auto;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    pointer-events: none;
}

.capability-media-badges span {
    padding: 7px 10px;
    border: 1px solid rgba(255, 255, 255, .13);
    border-radius: 999px;
    background: rgba(2, 7, 14, .72);
    color: #dbeafe;
    font: 700 10px/1.1 "IBM Plex Mono", monospace;
    letter-spacing: .14em;
    text-transform: uppercase;
    backdrop-filter: blur(12px);
}

.capability-media-badges .capability-video-state {
    border-color: rgba(var(--capability-accent), .32);
    color: rgb(var(--capability-accent));
}

.capability-copy {
    padding: 25px 28px 22px;
    border-top: 1px solid rgba(148, 163, 184, .12);
}

.capability-copy > p {
    margin: 0 0 9px;
    color: rgb(var(--capability-accent));
    font: 700 10px/1.2 "IBM Plex Mono", monospace;
    letter-spacing: .2em;
    text-transform: uppercase;
}

.capability-copy h3 {
    margin: 0;
    color: #f8fafc;
    font-size: clamp(1.55rem, 3vw, 2.35rem);
    font-weight: 800;
    letter-spacing: -.035em;
}

.capability-copy div {
    max-width: 68ch;
    margin-top: 10px;
    color: #94a3b8;
    font-size: .98rem;
    line-height: 1.65;
}

.capability-controls {
    display: grid;
    grid-template-columns: 42px minmax(90px, 1fr) auto 42px;
    align-items: center;
    gap: 12px;
    padding: 0 28px 24px;
}

.capability-controls button {
    width: 42px;
    height: 38px;
    border: 1px solid rgba(var(--capability-accent), .28);
    border-radius: 12px;
    background: rgba(var(--capability-accent), .08);
    color: #e2e8f0;
    cursor: pointer;
}

.capability-controls button:hover,
.capability-controls button:focus-visible {
    border-color: rgba(var(--capability-accent), .72);
    background: rgba(var(--capability-accent), .18);
    outline: none;
}

.capability-progress {
    height: 3px;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(148, 163, 184, .18);
}

.capability-progress i {
    display: block;
    width: 11.111%;
    height: 100%;
    border-radius: inherit;
    background: rgb(var(--capability-accent));
    box-shadow: 0 0 12px rgba(var(--capability-accent), .72);
    transition: width 320ms ease;
}

.capability-controls span {
    color: #94a3b8;
    font: 700 10px/1 "IBM Plex Mono", monospace;
    letter-spacing: .12em;
}

.capability-chapters {
    display: grid;
    align-content: start;
    gap: 7px;
    max-height: 690px;
    padding-right: 4px;
    overflow-y: auto;
    scrollbar-color: rgba(148, 163, 184, .3) transparent;
}

.capability-chapters button {
    position: relative;
    display: grid;
    grid-template-columns: 32px minmax(0, 1fr);
    column-gap: 10px;
    width: 100%;
    padding: 13px 14px;
    overflow: hidden;
    border: 1px solid rgba(148, 163, 184, .12);
    border-radius: 15px;
    background: rgba(15, 23, 42, .48);
    color: #cbd5e1;
    text-align: left;
    cursor: pointer;
    transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.capability-chapters button::before {
    content: '';
    position: absolute;
    inset: 0 auto 0 0;
    width: 3px;
    background: rgb(var(--chapter-accent, var(--capability-accent)));
    opacity: 0;
}

.capability-chapters button:hover { transform: translateX(-3px); border-color: rgba(148, 163, 184, .3); }
.capability-chapters button[aria-selected="true"] { border-color: rgba(var(--capability-accent), .42); background: rgba(var(--capability-accent), .11); color: #fff; }
.capability-chapters button[aria-selected="true"]::before { opacity: 1; }

.capability-chapters button > span {
    grid-row: 1 / 3;
    color: rgb(var(--capability-accent));
    font: 700 11px/1.35 "IBM Plex Mono", monospace;
}

.capability-chapters strong {
    overflow: hidden;
    font-size: .9rem;
    line-height: 1.25;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.capability-chapters small {
    margin-top: 4px;
    overflow: hidden;
    color: #64748b;
    font-size: .68rem;
    line-height: 1.25;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@keyframes capability-grid-shift { to { background-position: 0 42px, 42px 0; } }
@keyframes capability-orbit-a { to { transform: translate(-50%, -50%) rotateX(63deg) rotateZ(368deg); } }
@keyframes capability-orbit-b { to { transform: translate(-50%, -50%) rotateY(66deg) rotateZ(348deg); } }
@keyframes capability-core { 50% { transform: translate(-50%, -50%) rotate(135deg) scale(.88); } }

@media (max-width: 1040px) {
    .capability-showcase { grid-template-columns: 1fr; }
    .capability-chapters { grid-template-columns: repeat(3, minmax(0, 1fr)); max-height: none; }
}

@media (max-width: 720px) {
    .capability-showcase { margin-inline: -8px; padding: 10px; border-radius: 24px; }
    .capability-media { min-height: 260px; }
    .capability-copy { padding: 21px 20px 18px; }
    .capability-controls { padding: 0 20px 20px; }
    .capability-chapters { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 4px; }
    .capability-chapters button { flex: 0 0 78%; scroll-snap-align: start; }
    .capability-media-badges { inset: 12px 12px auto; }
    .capability-media-badges span { font-size: 8px; }
}

@media (prefers-reduced-motion: reduce) {
    .capability-grid,
    .capability-orbit,
    .capability-core { animation: none !important; }
    .capability-chapters button,
    .capability-progress i { transition: none !important; }
}