/* Interactive portfolio engineering studies */
.case-body{background:#0b1115;color:#edf1ed}
.case-header{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:25px clamp(22px,5vw,74px);border-bottom:1px solid #34463f}
.case-logo{font-size:12px;letter-spacing:.15em;font-weight:800}.case-logo b{color:#d9b992}
.case-header nav{display:flex;gap:18px;flex-wrap:wrap}.case-header nav a{font-size:12px;color:#aec5b9}
.case-shell{max-width:1390px;margin:0 auto;padding:0 clamp(20px,5vw,70px)}
.case-hero{padding:95px 0 80px;display:grid;grid-template-columns:1.3fr .7fr;align-items:end;gap:55px}
.case-label{font-size:10px;font-weight:800;letter-spacing:.17em;color:#d9b992}
.case-hero h1{font:600 clamp(52px,7.5vw,110px)/1.04 var(--display);letter-spacing:-.08em;margin:22px 0}
.case-hero h1 em,.case-section h2 em{font-style:normal;color:#b7d9ca}
.case-intro{font-size:17px;line-height:1.8;color:#b5c7be;max-width:640px}
.case-hero-aside{background:#132428;border:1px solid #39564c;padding:35px;font-size:19px;letter-spacing:-.025em;line-height:1.65}
.case-hero-aside span{display:block;color:#d9b992;font-size:10px;letter-spacing:.14em;margin-bottom:23px}
.case-section{border-top:1px solid #34463f;padding:76px 0}
.case-section h2{font:600 clamp(36px,4.5vw,62px)/1.1 var(--display);letter-spacing:-.065em;margin:15px 0 30px}
.case-head{display:grid;grid-template-columns:1fr .8fr;align-items:end;gap:35px}
.case-head>p{font-size:13px;line-height:1.8;color:#adc2b4}
.case-modes{display:flex;gap:9px;flex-wrap:wrap;margin:27px 0 15px}
.case-mode{background:#142124;border:1px solid #436052;padding:13px 17px;border-radius:4px;color:#b3c7ba;font-size:12px}
.case-mode.active{background:#bedbc8;color:#17271e;border-color:#bedbc8}
.case-layout{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(270px,.75fr);gap:17px}
.case-map{border:1px solid #3a564b;border-radius:5px;min-width:0;background:#101d20;overflow:hidden}
.case-map-head{display:flex;justify-content:space-between;padding:18px 20px;border-bottom:1px solid #354d44;color:#b7d9c2;font-size:10px;letter-spacing:.1em}
.case-map-scroll{overflow-x:auto}
.case-map-canvas{position:relative;min-width:730px;aspect-ratio:1000/540;background:linear-gradient(#2d494026 1px,transparent 1px) 0 0/32px 32px,linear-gradient(90deg,#2d494026 1px,transparent 1px) 0 0/32px 32px}
.case-map-lines{position:absolute;width:100%;height:100%;inset:0;pointer-events:none}
.case-map-lines path{stroke:#598574;stroke-dasharray:5 9;stroke-width:2.3;fill:none;animation:case-move 20s linear infinite}
.case-map-lines path.active{stroke:#d9ba96;stroke-width:3.5}
@keyframes case-move{to{stroke-dashoffset:-240}}
.case-node{position:absolute;transform:translate(-50%,-50%);width:145px;height:90px;padding:10px;border:1px solid #456e5d;border-radius:5px;background:#1a2e30ec;color:#c5dccd;display:flex;flex-direction:column;justify-content:center;gap:7px;transition:.2s}
.case-node strong{font-size:11px;letter-spacing:.08em}
.case-node small{font-size:10px;color:#8eaa98}
.case-node.selected,.case-node:hover{background:#305348;border-color:#c5e5ce;transform:translate(-50%,-52%)}
.case-node.highlight:not(.selected){border-color:#c7bc95}
.case-map-foot{font-size:10px;color:#9bb2a2;padding:17px 20px;border-top:1px solid #344e43}
.case-detail{border:1px solid #3b574b;background:#152528;padding:28px;display:flex;flex-direction:column}
.case-detail h3{font:600 26px/1.2 var(--display);letter-spacing:-.05em;margin:16px 0}
.case-detail h4{font-size:16px;margin:15px 0 0}
.case-detail p{font-size:12px;line-height:1.85;color:#b4c8b9}
.case-detail .line{border-top:1px solid #3d594e;margin:26px 0 13px}
.case-phases{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin:15px 0 0;padding:0}
.case-phases li{background:#132126;border:1px solid #314e43;padding:26px;min-height:220px}
.case-phases li>span{font-size:32px;color:#d8bd98}
.case-phases h3{font-size:17px;letter-spacing:-.03em;margin:20px 0 12px}
.case-phases p,.case-proof-grid p{font-size:12px;color:#abbfb2;line-height:1.85}
.case-proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}
.case-proof-grid article{padding:29px;border:1px solid #385449;background:#132025;min-height:230px}
.case-proof-grid article span{font-size:10px;letter-spacing:.12em;color:#d6b791}
.case-proof-grid h3{font-size:19px;letter-spacing:-.035em;margin:28px 0 12px}
.case-refs{display:flex;gap:14px;flex-wrap:wrap}
.case-refs a{font-size:12px;border:1px solid #577465;color:#d0e3d4;padding:14px 19px;border-radius:4px}
.case-refs a:hover{background:#203b31}
.case-warning{margin-top:24px;border-left:2px solid #d9b992;background:#1b2826;padding:17px 22px;font-size:12px;color:#c5d3c9;line-height:1.9}
.case-products{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.case-product{border:1px solid #4a6257;background:#172528}
.case-product figure{margin:0;background:#e1e7e2;padding:26px}
.case-product figure img{width:100%;height:205px;object-fit:contain;mix-blend-mode:multiply}
.case-product div{padding:23px}.case-product h3{font-size:20px;margin:0 0 8px}
.case-product p{font-size:12px;line-height:1.8;color:#a8bfb0}.case-product a{font-size:11px;color:#d9bf99;text-decoration:underline}
.case-footer{border-top:1px solid #34463f;padding:28px clamp(20px,5vw,70px);display:flex;justify-content:space-between;flex-wrap:wrap;gap:18px;font-size:10px;color:#9db4a6}
@media(max-width:1000px){.case-layout{grid-template-columns:1fr}.case-phases{grid-template-columns:repeat(2,1fr)}}
@media(max-width:740px){.case-header,.case-hero{display:flex;flex-direction:column;align-items:stretch}.case-hero{padding:65px 0;gap:25px}.case-hero-aside{padding:25px}.case-section{padding:64px 0}.case-head,.case-proof-grid{grid-template-columns:1fr}.case-phases{grid-template-columns:1fr}.case-products{grid-template-columns:1fr}.case-phases li{min-height:auto}}
@media(prefers-reduced-motion:reduce){.case-map-lines path{animation:none}.case-node{transition:none}}


/* Backup lifecycle: confirmed progress, technically bounded claims */
.backup-story{background:linear-gradient(145deg,#0e1d20,#0b1115 80%)}
.backup-story-status{display:flex;align-items:center;flex-wrap:wrap;gap:15px;padding:18px 22px;margin:8px 0 24px;border:1px solid #60816c;background:#1b322b;border-radius:4px}
.backup-story-status strong{font-size:12px;letter-spacing:.09em;color:#dfefde}.backup-story-status>span:last-child{font-size:11px;color:#adcaba}
.backup-story-signal{width:9px;height:9px;border-radius:50%;background:#b4dbba;box-shadow:0 0 0 5px #7aab8b27}
.backup-story-flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.backup-story-flow article{min-width:0;position:relative;padding:29px 23px;background:#142628;border:1px solid #3f5f51;border-radius:5px}
.backup-story-flow article:not(:last-child):after{content:"→";position:absolute;z-index:2;top:50%;right:-13px;font-size:17px;color:#ccdfcd;background:#142628}
.backup-story-flow article>span,.backup-story-evidence>div>span{font-size:10px;letter-spacing:.14em;font-weight:700;color:#d4b892}
.backup-story-flow h3{font-size:20px;font-weight:700;letter-spacing:-.045em;margin:25px 0 12px}
.backup-story-flow p,.backup-story-evidence p{font-size:12px;line-height:1.8;color:#a9c0b2}
.backup-story-evidence{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin-top:20px}
.backup-story-evidence>div{padding:25px;border:1px solid #2f4940;background:#101d20;border-radius:4px}
.backup-story-evidence strong{display:block;color:#e1eee3;font-size:14px;line-height:1.4;margin-top:19px}
@media(max-width:980px){.backup-story-flow{grid-template-columns:repeat(2,minmax(0,1fr))}.backup-story-flow article:after{display:none}}
@media(max-width:660px){.backup-story-flow,.backup-story-evidence{grid-template-columns:1fr}.backup-story-flow article{padding:23px}}