*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 76px; }

body {
    margin: 0;
    background: var(--background);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img { display: block; max-width: 100%; }
video { display: block; max-width: 100%; }
button, a { touch-action: manipulation; }
a { color: inherit; }
button { font: inherit; }

:focus-visible { outline: 3px solid rgba(46, 90, 168, 0.42); outline-offset: 3px; }

.skip-link { position: fixed; top: 8px; left: 8px; z-index: 1000; padding: 8px 14px; border-radius: var(--radius-sm); background: var(--text-strong); color: #fff; transform: translateY(-160%); transition: transform 160ms ease; }
.skip-link:focus { transform: translateY(0); }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; padding: 0 !important; border: 0 !important; margin: -1px !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; }
.container { width: min(100% - 40px, var(--container)); margin-inline: auto; }
.narrow-container { width: min(100% - 40px, var(--narrow-container)); }

.hero { padding: 72px 0 56px; text-align: center; }
.hero-inner { display: flex; align-items: center; flex-direction: column; }
.project-title-row { display: flex; align-items: center; justify-content: center; gap: 14px; margin-bottom: 14px; }
.project-mark { width: 64px; height: 64px; flex: 0 0 auto; object-fit: contain; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 0; color: var(--text-strong); font-size: clamp(42px, 6vw, 68px); line-height: 1.05; letter-spacing: -0.04em; }
.hero-subtitle { max-width: 850px; margin-bottom: 24px; color: #475569; font-size: clamp(22px, 3vw, 34px); font-weight: 500; line-height: 1.35; text-wrap: balance; }
.authors { margin-bottom: 4px; color: var(--text-strong); }
.authors a { text-decoration: none; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.authors a:hover, .authors a:focus-visible { color: var(--accent-dark); text-decoration: underline; }
.affiliations { margin-bottom: 0; color: var(--text-muted); font-size: 14px; }
.resource-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; }
.resource-link, .resource-disabled { display: inline-flex; min-height: 42px; align-items: center; padding: 8px 18px; border-radius: var(--radius-pill); font-size: 14px; font-weight: 600; text-decoration: none; }
.resource-link { background: var(--text-strong); color: #fff; transition: background-color 160ms ease, transform 160ms ease; }
.resource-link.secondary { background: var(--surface); color: var(--text); box-shadow: inset 0 0 0 1px var(--line); }
.resource-disabled { background: var(--surface); color: var(--text-muted); box-shadow: inset 0 0 0 1px var(--line); cursor: not-allowed; }
.resource-link:active { transform: scale(0.97); }

.site-nav { position: sticky; top: 0; z-index: 50; border-block: 1px solid rgba(15, 23, 42, 0.06); background: rgba(255, 255, 255, 0.94); }
.nav-links { display: flex; min-height: 62px; align-items: center; justify-content: center; gap: 6px; overflow-x: auto; scrollbar-width: none; }
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a { display: inline-flex; min-height: 40px; align-items: center; padding: 7px 15px; border-radius: var(--radius-pill); color: #475569; font-size: 14px; font-weight: 500; text-decoration: none; white-space: nowrap; transition: background-color 160ms ease, color 160ms ease; }
.nav-links a[aria-current="true"] { background: var(--line-soft); color: var(--text-strong); font-weight: 600; }

section { padding: 78px 0; }
section + section { border-top: 1px solid var(--line-soft); }
h2 { margin-bottom: 12px; color: var(--text-strong); font-size: clamp(28px, 4vw, 36px); line-height: 1.2; letter-spacing: -0.025em; text-align: center; }
h3 { color: var(--text-strong); font-size: 20px; line-height: 1.3; }
h4 { margin: 0; color: var(--text-strong); font-size: 16px; line-height: 1.35; }
.section-desc { max-width: 820px; margin: 0 auto 42px; color: #475569; font-size: 17px; text-align: center; text-wrap: balance; }
.subsection-block { margin-top: 64px; }
.subsection-block > h3 { margin-bottom: 8px; text-align: center; }
.subsection-desc { max-width: 760px; margin: 0 auto 24px; color: var(--text-muted); text-align: center; text-wrap: balance; }
.qualitative-section { margin-top: 72px; padding-top: 72px; border-top: 1px solid var(--line); }
.compact-figure { max-width: 920px; margin-inline: auto; }
.scene-gallery-qualitative { margin-top: 28px; }

.figure-block { margin: 0; }
.figure-block.compact-figure { margin-inline: auto; }
.media-figure { position: relative; }
.media-figure-wide { width: min(var(--container), calc(100vw - 40px)); max-width: none; margin-inline: 50%; transform: translateX(-50%); }
.figure-block img, .lightbox-trigger img, .tab-panel > img { width: 100%; height: auto; border-radius: calc(var(--radius-md) - 2px); outline: 1px solid rgba(15, 23, 42, 0.1); outline-offset: -1px; }
.hover-zoom > img { transform-origin: center; transition: transform 200ms ease-in-out, box-shadow 200ms ease-in-out; }
figcaption { margin-top: 12px; color: var(--text-muted); font-size: 13px; text-align: center; }

.highlights { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 32px; }
.highlights article { padding: 20px; border-radius: var(--radius-md); background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); }
.highlights strong, .highlights span { display: block; }
.highlights strong { margin-bottom: 7px; color: var(--text-strong); }
.highlights span { color: var(--text-muted); font-size: 14px; }

.method-list { max-width: 900px; margin: 38px auto 0; }
.method-list article { display: grid; grid-template-columns: 42px 1fr; gap: 16px; padding: 22px 0; border-top: 1px solid var(--line); }
.step-number { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 50%; background: var(--surface-warm); color: var(--accent-dark); font-size: 14px; font-weight: 700; box-shadow: inset 0 0 0 1px var(--accent-line); }
.method-list h3 { margin-bottom: 6px; }
.method-list p { margin-bottom: 0; color: var(--text-muted); }

.tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 20px; }
.tab-button { min-height: 40px; padding: 7px 16px; border: 1px solid var(--line); border-radius: var(--radius-pill); background: #fff; color: #475569; cursor: pointer; font-size: 14px; font-weight: 600; transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease; }
.tab-button[aria-selected="true"] { border-color: var(--text-strong); background: var(--text-strong); color: #fff; }
.tab-panel[hidden] { display: none; }
.lightbox-trigger { display: grid; width: 100%; overflow: hidden; place-items: center; padding: 6px; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fff; cursor: zoom-in; box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04); }

.media-placeholder { display: grid; min-height: 260px; place-items: center; align-content: center; gap: 8px; padding: 32px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); color: var(--text-muted); text-align: center; }
.media-placeholder strong { color: var(--text-strong); font-size: 18px; }
.media-placeholder span { max-width: 580px; font-size: 14px; }
.media-placeholder-wide { width: 100%; min-height: 0; aspect-ratio: 16 / 9; }
.teaser-video { width: 100%; aspect-ratio: 16 / 9; border-radius: var(--radius-md); background: #0f172a; box-shadow: 0 14px 42px rgba(15, 23, 42, 0.11); object-fit: contain; }

.scene-experience { position: relative; width: 100%; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fff; box-shadow: 0 14px 42px rgba(15, 23, 42, 0.08); }
.scene-experience__stage { position: relative; height: clamp(320px, 56.25vw, 630px); overflow: hidden; background: #66737b; }
.scene-experience__preview, .scene-experience__poster, .scene-experience__activate { position: absolute; inset: 0; width: 100%; height: 100%; }
.scene-experience__preview { transform-origin: center; }
.scene-experience__poster { object-fit: cover; }
.scene-experience__iframe { position: absolute; z-index: 1; inset: 0; width: 100%; height: 100%; border: 0; background: #263438; }
.scene-experience__activate { display: grid; place-content: center; justify-items: center; gap: 5px; padding: 24px; border: 0; background: transparent; color: #fff; cursor: pointer; text-align: center; text-shadow: 0 1px 8px rgba(15, 23, 42, 0.72); }
.scene-experience__activate strong { display: inline-flex; min-height: 44px; align-items: center; padding: 9px 20px; border-radius: var(--radius-pill); background: rgba(15, 23, 42, 0.8); font-size: 17px; letter-spacing: -0.01em; box-shadow: 0 6px 20px rgba(15, 23, 42, 0.22); }
.scene-experience__eyebrow { font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.scene-experience__loading { position: absolute; z-index: 3; left: 50%; bottom: 18px; display: flex; min-height: 36px; align-items: center; gap: 8px; padding: 7px 12px; border-radius: var(--radius-pill); background: rgba(15, 23, 42, 0.82); color: #fff; font-size: 12px; transform: translateX(-50%); }
.scene-experience__loading[hidden], .scene-experience__actions[hidden], .scene-experience__error-actions[hidden] { display: none; }
.scene-experience__loading-dot { width: 7px; height: 7px; border-radius: 50%; background: #fff; }
.scene-experience__actions { position: absolute; z-index: 4; top: 12px; right: 12px; }
.scene-experience__action, .scene-experience__retry { min-height: 38px; padding: 7px 13px; border: 1px solid rgba(255, 255, 255, 0.28); border-radius: var(--radius-pill); background: rgba(15, 23, 42, 0.78); color: #fff; cursor: pointer; font-size: 12px; font-weight: 650; }
.scene-experience__error-actions { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 12px; border-top: 1px solid var(--line); }
.scene-experience__error-copy { color: var(--text-muted); font-size: 13px; }
.scene-experience__fallback { color: var(--accent-dark); font-size: 13px; font-weight: 600; }
.scene-experience[data-scene-state="loaded"] .scene-experience__preview { opacity: 0; pointer-events: none; }
.scene-experience[data-scene-state="loaded"] .scene-experience__iframe { z-index: 2; }
.scene-experience__preview.is-wobbling { animation: scene-preview-wobble 210ms ease-out; }
.scene-experience:fullscreen { width: 100vw; height: 100vh; border: 0; border-radius: 0; background: #263438; }
.scene-experience:fullscreen .scene-experience__stage { width: 100%; height: 100%; }

@keyframes scene-preview-wobble {
    0%, 100% { transform: translate3d(0, 0, 0) rotate(0); }
    30% { transform: translate3d(-3px, 1px, 0) rotate(-0.35deg); }
    68% { transform: translate3d(3px, -1px, 0) rotate(0.35deg); }
}

.difficulty-gallery { max-width: 1080px; margin-inline: auto; }
.difficulty-panel { padding: 0; }
.difficulty-stage { position: relative; display: block; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: #0f172a; box-shadow: 0 14px 42px rgba(15, 23, 42, 0.11); }
.difficulty-video { width: 100%; aspect-ratio: 16 / 9; background: #0f172a; object-fit: contain; }
.difficulty-overlay-nav { position: absolute; z-index: 2; top: 0; bottom: 44px; display: flex; width: clamp(48px, 9%, 84px); align-items: center; padding: 0; border: 0; background: transparent; cursor: pointer; opacity: 0.78; transition: background-color 160ms ease, opacity 160ms ease; }
.difficulty-overlay-nav--previous { justify-content: flex-start; }
.difficulty-overlay-nav--previous { left: 0; }
.difficulty-overlay-nav--next { right: 0; justify-content: flex-end; }
.difficulty-overlay-nav__icon { display: grid; width: 34px; height: 34px; margin: auto; place-items: center; border-radius: 50%; background: rgba(15, 23, 42, 0.72); color: #fff; font-size: 28px; line-height: 1; pointer-events: none; }
.difficulty-overlay-nav:disabled { visibility: hidden; pointer-events: none; }
.difficulty-case-counter { position: absolute; z-index: 3; right: 12px; bottom: 52px; margin: 0; padding: 3px 8px; border-radius: var(--radius-pill); background: rgba(15, 23, 42, 0.78); color: #fff; font-size: 12px; font-variant-numeric: tabular-nums; pointer-events: none; box-shadow: 0 2px 10px rgba(15, 23, 42, 0.25); }
.difficulty-thumbnails { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(112px, 1fr); grid-template-columns: repeat(7, minmax(112px, 1fr)); gap: 8px; margin: 12px 0 0; overflow-x: auto; padding: 3px; list-style: none; scroll-snap-type: x proximity; scrollbar-width: thin; }
.difficulty-thumbnail-item { scroll-snap-align: start; }
.difficulty-thumbnail { width: 100%; overflow: hidden; padding: 0; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; color: var(--text); cursor: pointer; text-align: left; }
.difficulty-thumbnail[aria-pressed="true"] { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-line); }
.difficulty-thumbnail-poster { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.difficulty-gallery-status { margin: 0; }

.initialization-compare { max-width: 1080px; margin-inline: auto; }
.initialization-compare__tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 20px; }
.initialization-compare__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.initialization-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); }
.initialization-card__header { padding: 14px 14px 10px; }
.initialization-card__video { width: 100%; aspect-ratio: 16 / 9; background: #0f172a; object-fit: contain; }
.initialization-card .text-button { margin: 8px 14px 12px; }
.initialization-compare__controls { display: grid; grid-template-columns: auto minmax(160px, 1fr) auto; gap: 14px; align-items: center; margin-top: 18px; }
.initialization-compare__transport { display: flex; gap: 3px; padding: 4px; border-radius: 12px; background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); }
.control-button { display: inline-flex; min-height: 38px; align-items: center; gap: 7px; padding: 7px 12px; border: 0; border-radius: var(--radius-sm); background: transparent; color: #475569; cursor: pointer; font-size: 13px; font-weight: 650; transition: background-color 160ms ease, color 160ms ease, transform 160ms ease; }
.control-button--primary { background: var(--accent); color: #fff; box-shadow: 0 4px 12px rgba(46, 90, 168, 0.2); }
.control-button__icon { display: inline-grid; width: 14px; place-items: center; font-size: 12px; line-height: 1; }
.initialization-compare__timeline { width: 100%; min-width: 0; height: 4px; border-radius: var(--radius-pill); background: var(--line); accent-color: var(--accent); cursor: pointer; }
.initialization-compare__time { color: var(--text-muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.initialization-compare__note { max-width: 920px; margin: 14px auto 0; color: #8491a3; font-size: 12px; line-height: 1.55; text-align: center; }

.quantitative-results__tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 22px; }
.quantitative-results__tab { min-height: 40px; padding: 7px 16px; border: 1px solid var(--line); border-radius: var(--radius-pill); background: #fff; color: #475569; cursor: pointer; font-weight: 600; }
.quantitative-results__tab[aria-selected="true"] { border-color: var(--text-strong); background: var(--text-strong); color: #fff; }
.quantitative-results__panel { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; padding: 0; border: 0; }
.quantitative-results__panel[hidden] { display: none; }
.quantitative-chart { min-width: 0; margin: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fff; }
.quantitative-chart__title { margin: 0; padding: 14px 16px; border-bottom: 1px solid var(--line); color: var(--text-strong); font-weight: 650; text-align: left; }
.quantitative-chart__scroll { width: 100%; max-width: 100%; overflow: hidden; }
.quantitative-chart__svg { width: 100%; height: auto; }

.result-disclosure { margin: 0; }
.result-disclosure__summary { display: flex; width: fit-content; min-height: 40px; align-items: center; justify-content: center; gap: 9px; margin-inline: auto; padding: 7px 15px; border-radius: var(--radius-pill); background: var(--surface-warm); color: var(--accent-dark); cursor: pointer; font-size: 13px; font-weight: 700; list-style: none; box-shadow: inset 0 0 0 1px var(--accent-line); transition: background-color 160ms ease, color 160ms ease, transform 160ms ease; }
.result-disclosure__summary::-webkit-details-marker { display: none; }
.result-disclosure__collapse-label { display: none; }
.result-disclosure[open] .result-disclosure__expand-label { display: none; }
.result-disclosure[open] .result-disclosure__collapse-label { display: inline; }
.result-disclosure__icon { width: 7px; height: 7px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-2px) rotate(45deg); transition: transform 160ms ease; }
.result-disclosure[open] .result-disclosure__icon { transform: translateY(2px) rotate(225deg); }
.result-disclosure__content { margin-top: 28px; }
.pose-dataset-switcher { max-width: var(--container); margin-inline: auto; }
.pose-dataset-panel { max-width: var(--container); margin-inline: auto; }
.pose-dataset-switcher__hint { margin: 12px 0 0; color: #8491a3; font-size: 12px; text-align: center; }

.detection-benchmark { max-width: 1080px; margin-inline: auto; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--surface); }
.detection-benchmark > h4 { margin-bottom: 4px; text-align: center; }
.detection-benchmark__metric { margin: 0 0 18px; color: var(--text-muted); font-size: 13px; text-align: center; }
.detection-chart-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.detection-chart-card { padding: 18px; border: 1px solid var(--line); border-radius: var(--radius-md); background: #fff; }
.detection-chart-card h5 { margin: 0 0 16px; color: var(--text-strong); font-size: 14px; }
.detection-bars { display: grid; gap: 11px; }
.detection-bar-row { display: grid; grid-template-columns: 126px minmax(0, 1fr) 44px; align-items: center; gap: 10px; color: #475569; font-size: 12px; }
.detection-bar-row > span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.detection-bar-row small { color: #8491a3; font-size: 10px; font-weight: 600; text-transform: uppercase; }
.detection-bar-row i { position: relative; height: 16px; overflow: hidden; border-radius: var(--radius-pill); background: var(--line-soft); }
.detection-bar-row i::after { position: absolute; inset: 0 auto 0 0; width: var(--value); border-radius: inherit; background: var(--bar); content: ""; }
.detection-bar-row strong { color: var(--text-strong); font-variant-numeric: tabular-nums; text-align: right; }
.detection-bar-row--ours > span, .detection-bar-row--ours strong { color: var(--accent-dark); font-weight: 750; }
.detection-benchmark__note { max-width: 790px; margin: 16px auto 0; color: #8491a3; font-size: 11px; line-height: 1.55; text-align: center; }
.author-notes { margin: 4px auto 26px; color: var(--text-muted); font-size: 12px; line-height: 1.55; }
.authors sup { margin-left: 1px; font-size: 0.62em; vertical-align: super; }
.scene-reconstruction-overview { max-width: 1040px; margin-inline: auto; }
.scene-reconstruction-overview .quantitative-chart__svg { display: block; width: 100%; height: auto; }

@media (min-width: 1100px) {
    .hero-subtitle { max-width: none; font-size: clamp(24px, 2.35vw, 32px); white-space: nowrap; }
}

.text-button { min-height: 36px; padding: 4px 0; border: 0; background: transparent; color: var(--accent-dark); cursor: pointer; font-weight: 650; text-decoration: underline; text-decoration-color: var(--accent-line); text-underline-offset: 3px; }

.acknowledgements-copy { margin: 0 auto 40px; color: var(--text-muted); font-size: 15px; text-align: center; }
.citation-title { margin-bottom: 14px; text-align: center; }
.citation-box { position: relative; overflow: hidden; border-radius: var(--radius-md); background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); }
.citation-box pre { margin: 0; overflow-x: auto; padding: 24px 72px 24px 24px; font: 13px/1.65 ui-monospace, "SFMono-Regular", Consolas, monospace; white-space: pre-wrap; }
.copy-button { position: absolute; top: 12px; right: 12px; min-height: 38px; padding: 7px 12px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; color: var(--text); cursor: pointer; font-size: 12px; font-weight: 600; }

.lightbox { width: min(96vw, 1600px); max-width: none; max-height: 94vh; overflow: hidden; padding: 0; border: 0; border-radius: var(--radius-md); background: #fff; box-shadow: 0 24px 80px rgba(15, 23, 42, 0.24); }
.lightbox::backdrop { background: rgba(15, 23, 42, 0.78); }
.lightbox img { width: 100%; max-height: 84vh; object-fit: contain; }
.lightbox-bar { display: flex; min-height: 54px; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 10px 8px 16px; border-top: 1px solid var(--line); color: var(--text-muted); font-size: 13px; }
.lightbox-close { min-width: 40px; min-height: 40px; border: 0; border-radius: 50%; background: var(--surface); color: var(--text); cursor: pointer; font-size: 20px; }
.media-viewer__viewport { width: 100%; overflow: auto; overscroll-behavior: contain; background: var(--surface); touch-action: pan-x pan-y; scrollbar-color: #94a3b8 #e2e8f0; }
.media-viewer__canvas { position: relative; min-width: 100%; min-height: 100%; }
.media-viewer__viewport img { position: absolute; display: block; width: auto; max-width: none; max-height: none; object-fit: contain; }
.media-viewer__toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-left: auto; }
.media-viewer__button { min-width: 38px; min-height: 36px; padding: 5px 10px; border: 1px solid #d9dde3; border-radius: var(--radius-pill); background: #fff; color: #252a31; cursor: pointer; font: inherit; }
.media-viewer__status { min-width: 52px; color: #667085; font-variant-numeric: tabular-nums; text-align: center; }
.media-viewer__button[aria-pressed="true"] { border-color: var(--accent) !important; background: var(--surface-warm) !important; color: var(--accent-dark) !important; }
.media-viewer__button:disabled { cursor: not-allowed !important; opacity: 0.38; }

footer { padding: 36px 0; border-top: 1px solid var(--line-soft); }
footer .container { display: flex; justify-content: center; gap: 12px; color: var(--text-muted); font-size: 13px; }
footer strong { color: var(--text); }

@media (hover: hover) {
    .resource-link:hover { background: #1e293b; }
    .resource-link.secondary:hover, .nav-links a:hover { background: var(--line-soft); color: var(--text-strong); }
    .tab-button:hover { border-color: #94a3b8; color: var(--text-strong); }
    .difficulty-thumbnail:hover, .quantitative-results__tab:hover { border-color: #94a3b8; }
    .text-button:hover { color: var(--accent); text-decoration-color: var(--accent); }
    .lightbox-trigger:hover { border-color: #cbd5e1; box-shadow: 0 12px 36px rgba(15, 23, 42, 0.08); }
    .hover-zoom:hover { z-index: 5; }
    .hover-zoom:hover > img { transform: scale(1.08); box-shadow: 0 18px 50px rgba(15, 23, 42, 0.14); }
    .difficulty-overlay-nav:hover { background: linear-gradient(90deg, rgba(15, 23, 42, 0.35), transparent); opacity: 1; }
    .difficulty-overlay-nav--next:hover { background: linear-gradient(270deg, rgba(15, 23, 42, 0.35), transparent); }
    .control-button:not(.control-button--primary):hover { background: #fff; color: var(--text-strong); }
    .control-button:active, .result-disclosure__summary:active { transform: scale(0.96); }
    .result-disclosure__summary:hover { background: var(--accent-line); color: var(--accent-dark); }
}

@media (max-width: 720px) {
    .container, .narrow-container { width: min(100% - 32px, var(--container)); }
    .hero { padding: 54px 0 44px; }
    .project-title-row { gap: 12px; }
    .project-mark { width: 54px; height: 54px; border-radius: 14px; font-size: 24px; }
    .site-nav .container { width: 100%; padding-inline: 10px; }
    .nav-links { justify-content: flex-start; }
    section { padding: 60px 0; }
    .section-desc { margin-bottom: 30px; font-size: 16px; }
    .media-figure-wide { width: calc(100vw - 16px); }
    .lightbox-trigger { padding: 4px; }
    .highlights { grid-template-columns: 1fr; }
    .scene-experience__stage { height: clamp(320px, 86vw, 430px); }
    .difficulty-thumbnails { grid-auto-columns: 112px; grid-template-columns: none; }
    .initialization-compare__grid, .quantitative-results__panel, .detection-chart-grid { grid-template-columns: 1fr; }
    .detection-benchmark { padding: 18px 12px; }
    .detection-bar-row { grid-template-columns: 112px minmax(0, 1fr) 40px; gap: 7px; }
    .initialization-compare__controls { grid-template-columns: 1fr auto; }
    .initialization-compare__transport { grid-column: 1 / -1; justify-content: center; }
    .initialization-compare__timeline { grid-column: 1 / -1; width: 100%; }
    .initialization-compare__time { grid-column: 1 / -1; text-align: center; }
    footer .container { align-items: center; flex-direction: column; gap: 2px; }
}

@media (max-width: 420px) {
    .control-button { padding-inline: 10px; }
    .control-button__icon { display: none; }
    .lightbox { width: calc(100vw - 10px); }
    .lightbox-bar { align-items: flex-start; flex-wrap: wrap; padding-left: 10px; }
    .lightbox-bar > span:first-child { width: calc(100% - 48px); }
    .media-viewer__toolbar { order: 3; width: 100%; justify-content: center; margin-left: 0 !important; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
    .scene-experience__preview.is-wobbling { animation: none; }
}