.case-skill-preview {
    --paper: var(--color-canvas);
    --surface: var(--color-surface);
    --ink: var(--color-ink);
    --mid: var(--color-secondary);
    --hair: var(--color-rule-strong);
    --accent: var(--color-signal);
    min-height: 24rem;
    overflow: hidden;
    border: 1px solid var(--hair);
    background: var(--surface);
    color: var(--ink);
  }

  .case-skill-preview__header {
    min-height: 2.65rem;
    padding: .7rem .9rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border-bottom: 1px solid var(--hair);
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 650;
    letter-spacing: .035em;
  }

  .case-skill-preview__header span:last-child { color: var(--mid); font-weight: 400; }
  .case-skill-preview__scene { position: relative; min-height: 21.35rem; display: grid; grid-template-columns: 1.55fr .9fr; grid-template-rows: 8.9rem 1fr; }
  .case-skill-preview__flow { position: absolute; inset: 0; z-index: 3; width: 100%; height: 100%; pointer-events: none; }
  .preview-flow { fill: none; stroke: var(--accent); stroke-width: 1.2; stroke-linecap: round; stroke-linejoin: round; vector-effect: non-scaling-stroke; }
  .preview-dot { fill: var(--accent); opacity: 0; }

  .case-skill-preview__input {
    grid-column: 1 / -1;
    position: relative;
    padding: .8rem 1rem;
    display: grid;
    grid-template-columns: 1fr minmax(11rem, .78fr) 1fr;
    border-bottom: 1px solid var(--hair);
  }

  .case-skill-preview__input > span,
  .case-skill-preview__label,
  .case-skill-preview__reuse > span {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 650;
    letter-spacing: .05em;
  }

  .case-skill-preview__input > span { align-self: start; }
  .case-skill-preview__card {
    grid-column: 2;
    grid-row: 1;
    padding: .72rem .8rem;
    border: 1px solid var(--ink);
    background: var(--paper);
  }
  .case-skill-preview__card b { display: block; color: var(--accent); font-family: var(--font-mono); font-size: 0.6875rem; }
  .case-skill-preview__card strong { display: block; margin-top: .55rem; font-size: 0.6875rem; }
  .case-skill-preview__card i { display: block; width: 76%; height: 1px; margin-top: .3rem; background: var(--hair); }
  .case-skill-preview__card i:last-child { width: 58%; }

  .case-skill-preview__memory,
  .case-skill-preview__reuse { min-width: 0; padding: 1.15rem 1rem; }
  .case-skill-preview__memory { padding-right: 3.75rem; border-right: 1px solid var(--hair); background: var(--paper); }
  .case-skill-preview__label { display: flex; justify-content: space-between; gap: 1rem; color: var(--mid); }
  .case-skill-preview__reel { margin-top: .7rem; border-block: 1px solid var(--hair); }
  .case-skill-preview__reel > div {
    min-height: 2rem;
    padding: 0 .55rem;
    display: grid;
    grid-template-columns: 2rem 1fr auto;
    align-items: center;
    gap: .35rem;
    border-bottom: 1px solid var(--hair);
    color: var(--mid);
    font-size: 0.6875rem;
  }
  .case-skill-preview__reel > div:last-child { border-bottom: 0; }
  .case-skill-preview__reel i { font-family: var(--font-mono); font-size: 0.6875rem; font-style: normal; }
  .case-skill-preview__reel b { color: var(--accent); font-family: var(--font-mono); font-size: 0.6875rem; }
  .case-skill-preview__reel .case-skill-preview__match { border: 1px solid var(--accent); color: var(--ink); background: color-mix(in srgb, var(--accent) 5%, transparent); }

  .case-skill-preview__reuse { display: flex; flex-direction: column; justify-content: center; }
  .case-skill-preview__reuse strong { margin-top: .65rem; font-size: 1rem; letter-spacing: -.03em; }
  .case-skill-preview__reuse ol { margin: .7rem 0 0; padding: 0; list-style: none; counter-reset: step; }
  .case-skill-preview__reuse li { counter-increment: step; padding: .42rem 0; border-bottom: 1px solid var(--hair); color: var(--mid); font-size: 0.75rem; }
  .case-skill-preview__reuse li::before { content: "0" counter(step); margin-right: .45rem; color: var(--accent); font-family: var(--font-mono); font-size: 0.75rem; }
  .case-skill-preview__reuse p { margin: .75rem 0 0; display: flex; align-items: center; gap: .45rem; color: var(--ink); font-size: 0.75rem; font-weight: 650; }
  .case-skill-preview__reuse p i { width: 1rem; height: 1rem; display: inline-block; border: 1px solid var(--accent); border-radius: 50%; }

  @media (prefers-reduced-motion: no-preference) {
    .is-playing .preview-flow { stroke-dasharray: 1; stroke-dashoffset: 1; animation: preview-draw .44s cubic-bezier(.65, 0, .35, 1) both; }
    .is-playing .preview-flow--down { animation-delay: .33s; }
    .is-playing .preview-flow--reuse { animation-delay: 1.6s; }
    .is-playing .preview-dot { opacity: 1; animation: preview-dot .47s both; }
    .is-playing .preview-dot--down { animation-delay: .36s; }
    .is-playing .preview-dot--reuse { animation-delay: 1.64s; }
    .is-playing .case-skill-preview__match { animation: preview-match .25s 1.13s both; }
    .is-playing .case-skill-preview__reuse li { animation: preview-step .26s cubic-bezier(.16, 1, .3, 1) both; }
    .is-playing .case-skill-preview__reuse li:nth-child(1) { animation-delay: 2.08s; }
    .is-playing .case-skill-preview__reuse li:nth-child(2) { animation-delay: 2.17s; }
    .is-playing .case-skill-preview__reuse li:nth-child(3) { animation-delay: 2.27s; }
    .is-playing .case-skill-preview__reuse p i { animation: preview-check .33s cubic-bezier(.34, 1.56, .64, 1) 2.52s both; }
    @keyframes preview-draw { to { stroke-dashoffset: 0; } }
    @keyframes preview-dot { 0%, 100% { opacity: 0; } 12%, 84% { opacity: 1; } }
    @keyframes preview-match { from { background: transparent; color: var(--mid); } to { background: color-mix(in srgb, var(--accent) 5%, transparent); color: var(--ink); } }
    @keyframes preview-step { from { opacity: 1; transform: translateX(-.25rem); } to { opacity: 1; transform: translateX(0); } }
    @keyframes preview-check { from { opacity: 0; transform: scale(.5); } to { opacity: 1; transform: scale(1); } }
  }

  @media (max-width: 36rem) {
    .case-skill-preview__header span:last-child { display: none; }
    .case-skill-preview__input { grid-template-columns: 1fr minmax(10rem, 1.25fr) 1fr; }
    .case-skill-preview__scene { grid-template-columns: 1fr; grid-template-rows: 8.9rem auto auto; }
    .case-skill-preview__memory { padding-right: 3.75rem; border-right: 0; border-bottom: 1px solid var(--hair); }
    .case-skill-preview__flow { display: none; }
  }

  @media (prefers-reduced-motion: reduce) { .preview-dot { display: none; } }


  .gnn-mesh-preview {
    --paper: var(--color-canvas);
    --surface: var(--color-surface);
    --surface-strong: var(--color-surface-strong);
    --ink: var(--color-ink);
    --mid: var(--color-secondary);
    --hair: var(--color-rule-strong);
    --accent: var(--color-signal);
    min-height: 22.5rem;
    display: grid;
    grid-template-columns: minmax(11rem, .82fr) minmax(0, 1.45fr);
    grid-template-rows: minmax(0, 1fr) auto;
    overflow: hidden;
    border: 1px solid var(--hair);
    background: var(--surface);
    color: var(--ink);
    transition: border-color var(--transition-base);
  }

  .gnn-mesh-preview__copy {
    padding: clamp(1rem, 2.25vw, 1.75rem);
    display: grid;
    align-content: center;
    gap: 1rem;
    border-right: 1px solid var(--hair);
  }

  .gnn-mesh-preview__copy > span {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: .8125rem;
    font-weight: 650;
    letter-spacing: .055em;
    text-transform: uppercase;
  }

  .gnn-mesh-preview__copy h4 {
    max-width: 10ch;
    margin: 0;
    font-size: clamp(1.45rem, 2.6vw, 2.15rem);
    font-weight: 650;
    letter-spacing: -.04em;
    line-height: 1.06;
  }

  .gnn-mesh-preview__time-lock { white-space: nowrap; }
  .gnn-mesh-preview__copy em { color: var(--accent); font-style: normal; }
  .gnn-mesh-preview svg { width: 100%; height: auto; align-self: center; padding: 1rem; }

  .gnn-mesh-preview__features {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--hair);
  }

  .gnn-mesh-preview__features > div {
    min-width: 0;
    padding: .9rem clamp(.8rem, 1.5vw, 1.1rem) 1rem;
    display: flex;
    flex-direction: column;
    gap: .38rem;
  }

  .gnn-mesh-preview__features > div + div { border-left: 1px solid var(--hair); }

  .gnn-mesh-preview__features strong {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: .72rem;
    font-weight: 650;
    letter-spacing: .025em;
  }

  .gnn-mesh-preview__features span {
    color: var(--mid);
    font-size: .74rem;
    line-height: 1.35;
  }
  .gnn-mesh-preview__shell { fill: none; stroke: var(--hair); stroke-width: 1.2; stroke-dasharray: 4 5; }
  .gnn-mesh-preview__zone { transform-box: fill-box; transform-origin: center; }
  .gnn-mesh-preview__zone--far { fill: var(--surface-strong); }
  .gnn-mesh-preview__zone--mid { fill: var(--hair); }
  .gnn-mesh-preview__zone--core { fill: var(--accent); }
  .gnn-mesh-preview__edge { stroke: var(--hair); stroke-width: .9; }
  .gnn-mesh-preview__edge--impact { stroke: var(--ink); stroke-width: 1.25; }
  .gnn-mesh-preview__node { fill: var(--mid); }
  .gnn-mesh-preview__node--impact { fill: var(--ink); }
  .gnn-mesh-preview__node--core { fill: var(--paper); stroke: var(--accent); stroke-width: 2; }

  .is-playing .gnn-mesh-preview__zone {
    animation: mesh-preview-rebound 1.55s cubic-bezier(.32, .02, .18, 1) var(--impact-delay, 0s) both;
  }

  .is-playing .gnn-mesh-preview__edge--impact {
    animation: mesh-preview-edge 1.55s cubic-bezier(.32, .02, .18, 1) both;
  }

  @keyframes mesh-preview-rebound {
    0%, 7% { transform: scale(1); }
    28% { transform: scale(.78); }
    49% { transform: scale(1.12); }
    66% { transform: scale(.94); }
    81% { transform: scale(1.035); }
    100% { transform: scale(1); }
  }

  @keyframes mesh-preview-edge {
    0%, 7%, 100% { stroke-width: 1.25; }
    28% { stroke-width: 2.1; }
    49% { stroke-width: 1.55; }
  }

  @media (max-width: 36rem) {
    .gnn-mesh-preview { min-height: 0; grid-template-columns: minmax(0, 1fr); grid-template-rows: auto auto auto; }
    .gnn-mesh-preview__copy { padding: 1.15rem; gap: .45rem; border-right: 0; border-bottom: 1px solid var(--hair); }
    .gnn-mesh-preview__copy h4 { max-width: none; font-size: 1.5rem; }
    .gnn-mesh-preview svg { padding: .75rem .5rem; }
    .gnn-mesh-preview__features { grid-column: 1; }
    .gnn-mesh-preview__features > div { padding: .8rem .7rem .9rem; }
    .gnn-mesh-preview__features strong { font-size: 0.6875rem; }
    .gnn-mesh-preview__features span { font-size: 0.6875rem; }
  }

  @media (prefers-reduced-motion: reduce) {
    .gnn-mesh-preview__zone,
    .gnn-mesh-preview__edge--impact { animation: none !important; transform: none !important; }
  }


  .artico-preview {
    --paper: var(--color-canvas);
    --surface: var(--color-surface);
    --ink: var(--color-ink);
    --mid: var(--color-secondary);
    --hair: var(--color-rule-strong);
    --accent: var(--color-signal);
    min-height: 22rem;
    display: grid;
    grid-template-rows: minmax(0, 1fr) minmax(0, 1.08fr) auto;
    overflow: hidden;
    border: 1px solid var(--hair);
    background: var(--surface);
    color: var(--ink);
    transition: border-color var(--transition-base);
  }

  .artico-preview__top {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-bottom: 1px solid var(--hair);
  }

  .artico-preview__stage {
    min-width: 0;
    padding: clamp(.8rem, 1.6vw, 1.15rem);
    display: flex;
    flex-direction: column;
  }

  .artico-preview__stage + .artico-preview__stage { border-left: 1px solid var(--hair); }

  .artico-preview__eyebrow,
  .artico-preview__histogram > span,
  .artico-preview__matrix-wrap > span {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 650;
    letter-spacing: .055em;
    text-transform: uppercase;
  }

  .artico-preview strong {
    display: block;
    margin-top: .35rem;
    font-size: clamp(.98rem, 1.7vw, 1.25rem);
    font-weight: 600;
    letter-spacing: -.025em;
    line-height: 1.08;
  }

  .artico-preview__signals,
  .artico-preview__fusion {
    width: 100%;
    height: 5.2rem;
    margin-top: .3rem;
    overflow: visible;
  }

  .artico-preview__guide { stroke: var(--hair); stroke-width: .8; opacity: .45; }
  .artico-preview__window { fill: none; stroke: var(--accent); stroke-width: 1; opacity: .7; }
  .artico-preview__curve { fill: none; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
  .artico-preview__curve--ink { stroke: var(--ink); }
  .artico-preview__curve--signal { stroke: var(--accent); }
  .artico-preview__curve--secondary { stroke: var(--mid); }

  .artico-preview__block { fill: var(--paper); stroke: var(--hair); stroke-width: 1; }
  .artico-preview__link { fill: none; stroke: var(--hair); stroke-width: 1.15; }
  .artico-preview__merge { fill: var(--surface); stroke: var(--accent); stroke-width: 2.2; }
  .artico-preview__output,
  .artico-preview__packet { fill: var(--accent); }

  .artico-preview__note {
    margin-top: auto;
    color: var(--mid);
    font-size: .69rem;
    line-height: 1.3;
  }

  .artico-preview__evaluation {
    display: grid;
    grid-template-columns: minmax(9rem, 1.2fr) minmax(7.5rem, .8fr) minmax(7.5rem, .72fr);
    align-items: center;
  }

  .artico-preview__evaluation > * {
    min-width: 0;
    height: 100%;
    padding: clamp(.8rem, 1.6vw, 1.15rem);
  }

  .artico-preview__evaluation > * + * { border-left: 1px solid var(--hair); }

  .artico-preview__evaluation-copy {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .artico-preview__evaluation-copy small {
    display: block;
    margin-top: .5rem;
    color: var(--mid);
    font-size: .72rem;
    line-height: 1.4;
  }

  .artico-preview__histogram,
  .artico-preview__matrix-wrap {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .artico-preview__bars {
    height: 4.5rem;
    margin-top: .6rem;
    display: flex;
    align-items: end;
    gap: 2px;
    border-bottom: 1px solid var(--hair);
  }

  .artico-preview__bars i {
    width: 100%;
    height: var(--bar-height);
    display: block;
    background: var(--ink);
    transform-origin: bottom;
  }

  .artico-preview__histogram b {
    margin-top: .45rem;
    color: var(--mid);
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 400;
    white-space: nowrap;
  }

  .artico-preview__matrix-labels {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin: .55rem 0 .2rem;
    padding-left: 0;
  }

  .artico-preview__matrix-labels i {
    color: var(--mid);
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-style: normal;
    text-align: center;
  }

  .artico-preview__matrix {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2px;
  }

  .artico-preview__matrix i {
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    border: 1px solid var(--hair);
    background: var(--surface);
    color: var(--mid);
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-style: normal;
  }

  .artico-preview__matrix i.is-diagonal {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--surface);
  }

  .artico-preview__matrix i.is-high-cost {
    border-color: var(--accent);
    color: var(--accent);
  }

  .artico-preview__footer {
    min-height: 2.4rem;
    padding: .65rem clamp(.8rem, 1.6vw, 1.15rem);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border-top: 1px solid var(--hair);
    color: var(--mid);
    font-family: var(--font-mono);
    font-size: 0.6875rem;
  }

  .is-playing .artico-preview__curve {
    stroke-dasharray: 360;
    animation: artico-preview-draw 1s cubic-bezier(.22, .61, .36, 1) both;
  }

  .is-playing .artico-preview__curve--signal { animation-delay: 80ms; }
  .is-playing .artico-preview__curve--secondary { animation-delay: 160ms; }
  .is-playing .artico-preview__packet--one { animation: artico-preview-packet-one 1.25s ease-in-out 220ms both; }
  .is-playing .artico-preview__packet--two { animation: artico-preview-packet-two 1.25s ease-in-out 320ms both; }

  .is-playing .artico-preview__bars i {
    animation: artico-preview-bar .55s cubic-bezier(.2, .75, .25, 1) var(--bar-delay) both;
  }

  @keyframes artico-preview-draw {
    from { stroke-dashoffset: 360; }
    to { stroke-dashoffset: 0; }
  }

  @keyframes artico-preview-packet-one {
    0% { transform: translate(0, 0); }
    68%, 100% { transform: translate(135px, 21.5px); }
  }

  @keyframes artico-preview-packet-two {
    0% { transform: translate(0, 0); }
    68%, 100% { transform: translate(135px, -21.5px); }
  }

  @keyframes artico-preview-bar {
    from { transform: scaleY(0); }
    to { transform: scaleY(1); }
  }

  @media (max-width: 36rem) {
    .artico-preview { min-height: 0; grid-template-rows: auto auto auto; }
    .artico-preview__top { grid-template-columns: minmax(0, 1fr); }
    .artico-preview__stage + .artico-preview__stage { border-left: 0; border-top: 1px solid var(--hair); }
    .artico-preview__evaluation { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .artico-preview__evaluation-copy { grid-column: 1 / -1; border-bottom: 1px solid var(--hair); }
    .artico-preview__evaluation > * + * { border-left: 0; }
    .artico-preview__matrix-wrap { border-left: 1px solid var(--hair) !important; }
    .artico-preview__signals,
    .artico-preview__fusion { height: 4.6rem; }
  }

  @media (prefers-reduced-motion: reduce) {
    .artico-preview *,
    .artico-preview *::before,
    .artico-preview *::after { animation: none !important; }
  }


/* Preview integration: original project-specific visual language. */
.original-art{--color-canvas:#f0f0f0;--color-surface:#e8e8e8;--color-surface-strong:#d7d7d7;--color-ink:#242424;--color-secondary:#606060;--color-rule-strong:#b8b8b8;--color-signal:#a63c27;--font-mono:Mono,monospace;--transition-base:180ms ease;display:block;min-width:0;text-decoration:none;color:#242424}
.featured{background:transparent;color:var(--ink);grid-template-columns:.85fr 1.15fr;gap:42px;border-bottom:1px solid var(--line);padding:32px 0 44px;align-items:center}
.feature-copy{padding:0 0 0 0}.feature-copy .eyebrow{color:var(--red)}.feature-copy h3{font-size:clamp(38px,3.6vw,54px);line-height:1.06;max-width:none;margin:25px 0 14px}.feature-copy p{color:var(--muted);font-size:14px;max-width:410px}.feature-copy .feature-deck{font-size:18px;color:var(--ink);line-height:1.5;margin-bottom:16px}.result{border-color:var(--line);margin:24px 0}.result strong{color:var(--red)}.result small{color:var(--muted);font-size:12px;max-width:340px}.feature-copy .text-link{color:var(--ink);font-size:12px;border-color:var(--line);margin-top:0}.feature-original{width:100%}.feature-original .case-skill-preview{min-height:26rem}.feature-original .case-skill-preview__scene{min-height:23rem}
.projects{gap:32px}.supporting-original{height:370px;overflow:hidden}.supporting-original>div{height:100%;min-height:0}.project-caption h3{font-size:27px;letter-spacing:-.04em}.project-caption p{font-size:14px;line-height:1.7}.project details{font-size:12px}.original-art:hover{--color-rule-strong:#999}.original-art:focus-visible{outline:2px solid #a63c27;outline-offset:5px}
@media(max-width:1100px){.featured{grid-template-columns:1fr;gap:28px}.feature-copy{display:grid;grid-template-columns:1fr 1fr;column-gap:32px}.feature-copy .eyebrow,.feature-copy h3,.feature-copy .feature-deck{grid-column:1}.feature-copy>p:not(.feature-deck){grid-column:2;grid-row:2/4;align-self:center}.feature-copy .result{grid-column:1}.feature-copy .text-link{grid-column:2;align-self:center}.supporting-original{height:420px}}
@media(max-width:720px){.featured{padding-top:16px;gap:26px}.feature-copy{display:flex;padding:0}.feature-copy h3{font-size:42px}.feature-copy p{font-size:14px}.feature-original .case-skill-preview__scene{min-height:0}.supporting-original{height:auto}.supporting-original>div{min-height:360px}.projects{gap:38px}.project-caption h3{font-size:25px}}
.supporting-original{height:450px}.artico-preview{grid-template-rows:auto 1fr auto}.artico-preview__top{min-height:190px}.artico-preview__evaluation{min-height:205px}
@media(min-width:721px) and (max-width:1100px){.supporting-original{height:520px}.artico-preview__evaluation{grid-template-columns:1fr 1fr}.artico-preview__evaluation-copy{grid-column:1/-1;border-bottom:1px solid var(--hair)}.artico-preview__evaluation-copy small{display:none}.artico-preview__evaluation-copy strong{font-size:17px}}
@media(max-width:720px){.supporting-original{height:auto}.supporting-original>div{height:auto}.artico-preview__top,.artico-preview__evaluation{min-height:0}.feature-copy .text-link{align-self:flex-start}.case-skill-preview__input>span{font-size:10px}}