/* One visual disclosure pattern across the active case studies. */
.project-depth-section{padding:64px 0;background:var(--paper);color:var(--ink)}
.project-depth-intro{display:grid;grid-template-columns:minmax(0,550fr) minmax(0,682fr);gap:80px;align-items:start}
.project-depth-intro .eyebrow{font-size:12px;line-height:1.55;color:var(--red);font-weight:500;letter-spacing:.02em;margin-bottom:24px}
.project-depth-intro h2{font:54px/1.12 Georgia,serif;letter-spacing:-.035em;margin:0}
.project-depth-intro>p,.project-depth-intro>div>p{font-size:18px;line-height:1.55;margin:0}
.project-disclosure{width:100%;margin-top:24px;border-top:1px solid var(--line,#c9c1b4)}
.project-disclosure>summary{display:flex;justify-content:space-between;align-items:center;height:auto;min-height:112px;gap:24px;padding:16px 0;cursor:pointer;list-style:none;font-size:14px;line-height:1.5;transition:background-color .2s}
.project-disclosure>summary::-webkit-details-marker{display:none}
.project-disclosure>summary:hover{background:rgba(255,255,255,.35)}
.project-disclosure>summary:focus-visible{outline:2px solid currentColor;outline-offset:5px}
.project-disclosure>summary .disclosure-label{flex:1;min-width:0}
.project-disclosure>summary span,.project-disclosure[open]>summary span{transform:none}
.project-disclosure>summary .disclosure-preview{display:flex;align-items:center;gap:20px;width:46%;max-width:480px;color:var(--muted);font-size:13px;font-weight:400}
.project-disclosure .disclosure-preview img{display:block;width:150px;height:76px;object-fit:cover;border-radius:3px;background:#ded8cc}
.project-disclosure>summary .plus{flex:0 0 24px;font-size:17px;transition:transform .45s ease}
.project-disclosure[open]>summary .plus{transform:rotate(45deg)}
.project-depth-intro>div>p+p{margin-top:24px}
.project-disclosure .close{display:none}.project-disclosure[open] .open{display:none}.project-disclosure[open] .close{display:inline}
.project-disclosure:not([open])>.detail{display:none}
.project-disclosure>.detail{padding:24px 0 32px;font-size:16px;line-height:1.65}
.project-disclosure .detail>p{font-size:16px;line-height:1.65;color:inherit;margin:0 0 24px;max-width:110ch}
.project-disclosure .detail>h3{font:500 22px/1.5 Inter,Arial,sans-serif;margin:24px 0 20px}
.project-disclosure .depth-note{font-size:14px!important;color:var(--muted)!important}
.project-detail-rows{list-style:none;padding:0;margin:0 0 24px}
.project-detail-rows>li{display:grid;grid-template-columns:40px minmax(160px,280px) minmax(0,1fr);gap:24px;padding:24px 0;border-bottom:1px solid var(--line,#c9c1b4)}
.project-detail-rows .depth-number{color:var(--red);font-size:13px;margin-top:4px}
.project-detail-rows h3{font:500 20px/1.55 Inter,Arial,sans-serif;margin:0}
.project-detail-rows p{font-size:16px;line-height:1.55;margin:0}
.project-journey-flow{list-style:none;margin:24px 0 40px;padding:0;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:16px}
.project-journey-flow>li{position:relative;min-width:0;background:#fffdf8;border:1px solid var(--line,#c9c1b4);padding:20px 16px;min-height:148px;display:flex;flex-direction:column;gap:16px}
.project-journey-flow span{color:var(--red);font-size:12px}.project-journey-flow strong{font-size:15px;line-height:1.5;font-weight:500}
.project-journey-flow>li:not(:last-child):after{content:'→';position:absolute;right:-15px;top:calc(50% - 13px);color:var(--ink)}
.project-depth-dark{background:#252421;color:var(--white)}
.project-depth-dark .project-depth-intro .eyebrow{color:var(--white)}
.project-depth-dark .project-disclosure{border-color:#999184}
.project-depth-dark .disclosure-preview,.project-depth-dark .depth-note{color:#d1cabe!important}
.project-depth-dark .project-disclosure>summary:hover{background:rgba(255,255,255,.07)}
.project-depth-evidence{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:24px 0}
.project-depth-evidence figure{margin:0}.project-depth-evidence img{width:100%;display:block;height:auto}.project-depth-evidence figcaption{font-size:12px;line-height:1.5;margin-top:12px}
.project-disclosure .architecture-map{max-width:850px;margin:24px auto}
.project-depth-dark .project-disclosure .detail a{text-decoration:underline;text-underline-offset:4px}
@media(max-width:850px){.project-depth-intro{grid-template-columns:1fr;gap:28px}.project-depth-intro h2{font-size:43px}.project-depth-section{padding:60px 0}.project-journey-flow{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:24px}.project-journey-flow>li:nth-child(3):after{content:none}.project-detail-rows>li{grid-template-columns:32px minmax(150px,220px) minmax(0,1fr);gap:20px}}
@media(max-width:700px){.project-disclosure>summary{display:grid;grid-template-columns:1fr 24px;gap:12px 16px;padding:16px 0;font-size:13px}.project-disclosure>summary .disclosure-preview{grid-column:1;grid-row:2;width:100%;max-width:none;gap:14px;font-size:12px}.project-disclosure .disclosure-preview img{width:104px;height:56px}.project-disclosure>summary .plus{grid-column:2;grid-row:1 / 3;align-self:center}.project-detail-rows>li{grid-template-columns:32px minmax(0,1fr);gap:12px}.project-detail-rows h3{grid-column:2}.project-detail-rows p{grid-column:2}.project-depth-evidence{grid-template-columns:1fr}}
@media(max-width:560px){.project-journey-flow{grid-template-columns:repeat(2,minmax(0,1fr))}.project-journey-flow>li:nth-child(3):after{content:'→'}.project-journey-flow>li:nth-child(even):after{content:none}.project-journey-flow>li{min-height:132px}}
@media(prefers-reduced-motion:reduce){.project-disclosure>summary,.project-disclosure>summary .plus{transition:none}}