.deck3d {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    width: 100%;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    background:
        radial-gradient(60% 55% at 50% 45%, var(--accent-soft), transparent 70%),
        var(--bg-panel);
}

.deck3d::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image: radial-gradient(var(--canvas-dot) 1px, transparent 1.3px);
    background-size: 22px 22px;
    -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 20%, transparent 78%);
    mask-image: radial-gradient(circle at 50% 50%, #000 20%, transparent 78%);
}

.deck3d canvas {
    position: absolute;
    inset: 0;
    width: 100% !important;
    height: 100% !important;
    cursor: grab;
    touch-action: none;
    opacity: 0;
    transition: opacity 700ms cubic-bezier(0.4, 0, 0.2, 1);
}

.deck3d.is-ready canvas { opacity: 1; }
.deck3d canvas:active { cursor: grabbing; }

.deck3d-loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.deck3d.is-ready .deck3d-loading { display: none; }

.deck3d-hud {
    position: absolute;
    left: 14px;
    right: 14px;
    top: 12px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    pointer-events: none;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    opacity: 0;
    transition: opacity 400ms;
}

.deck3d.is-ready .deck3d-hud { opacity: 1; }
.deck3d-hud > span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.deck3d-bar {
    position: absolute;
    left: 10px;
    right: 10px;
    bottom: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    border-radius: 12px;
    background: var(--bg-raised);
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0;
    transform: translateY(6px);
    transition: opacity 400ms, transform 400ms;
}

.deck3d.is-ready .deck3d-bar { opacity: 1; transform: none; }
.deck3d.is-error .deck3d-bar, .deck3d.is-error .deck3d-hud { display: none; }

.deck3d-bar-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-dim);
    white-space: nowrap;
}

.deck3d-bar-label i { color: var(--accent); }

.deck3d-range {
    -webkit-appearance: none;
    appearance: none;
    flex: 1;
    height: 20px;
    background: transparent;
    cursor: pointer;
}

.deck3d-range::-webkit-slider-runnable-track {
    height: 3px;
    border-radius: 9999px;
    background: var(--bg-well);
}

.deck3d-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    margin-top: -5.5px;
    border-radius: 50%;
    background: var(--knob);
    border: 0;
    box-shadow: 0 0 0 1px var(--border-hover), 0 0 0 4px var(--accent-soft);
    transition: box-shadow 160ms;
}

.deck3d-range:hover::-webkit-slider-thumb { box-shadow: 0 0 0 1px var(--border-hover), 0 0 0 6px var(--accent-soft); }

.deck3d-reset {
    display: grid;
    place-items: center;
    width: 26px;
    height: 26px;
    flex: none;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--tint);
    color: var(--text-dim);
    font-size: 11px;
    cursor: pointer;
    transition: var(--transition);
}

.deck3d-reset:hover { color: var(--text-strong); background: var(--bg-hover); border-color: var(--border-hover); }


.st-about-3d {
    max-width: 460px;
    margin: 0 auto 22px;
    aspect-ratio: 5 / 4;
}


.anim-icon {
    display: block;
    height: 42px;
    width: auto;
    flex: none;
}

.anim-icon--sm { height: 26px; }
.anim-icon--lg { height: 64px; }


@media (prefers-reduced-motion: reduce) {
    .deck3d canvas, .deck3d-hud, .deck3d-bar { transition: none; }
}


.st-hero-ico.st-hero-ico--art {
    background: var(--bg-card);
    padding: 6px;
    overflow: hidden;
}

.st-hero-ico.st-hero-ico--art .anim-icon { height: 34px; }


.st-label-art {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.st-label-art .anim-icon { height: 22px; }


.st-ico--art {
    padding: 5px;
    overflow: hidden;
}

.st-ico--art .anim-icon {
    height: 32px;
    width: 32px;
}


.st-link-card > .st-art-slot {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    flex: none;
    border-radius: 11px;
    background: var(--accent-soft);
    overflow: hidden;
}

.st-link-card > .st-art-slot .anim-icon {
    width: 34px;
    height: 34px;
    object-fit: contain;
}