:root{--bg:#f6f4ef;--ink:#1b2430;--muted:#5b6573;--line:#d9d4c7;--card:#fff;--navy:#14263d;--acc:#e0a526;--warn:#fff4dc;--ok:#1f7a4d}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--navy)}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:9}
.top{background:var(--navy);color:#fff;position:sticky;top:0;z-index:5}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.brand{display:flex;gap:10px;align-items:center;color:#fff;text-decoration:none}
.brand small{display:block;font-size:12px;opacity:.75}
.mark{background:var(--acc);color:var(--navy);font-weight:800;border-radius:6px;padding:6px 8px;letter-spacing:.5px}
nav{display:flex;flex-wrap:wrap;gap:4px}
nav a{color:#dfe6ef;text-decoration:none;padding:6px 7px;border-radius:6px;font-size:13.5px}
nav a:hover,nav a[aria-current]{background:rgba(255,255,255,.12);color:#fff}
.menu{display:none;background:none;border:1px solid rgba(255,255,255,.4);color:#fff;border-radius:6px;padding:6px 12px}
.hero{background:linear-gradient(160deg,var(--navy),#22405f);color:#fff;padding:64px 0 56px}
.small-hero{padding:40px 0 36px}
.hero a:not(.btn){color:#f3d48a}
.eyebrow{text-transform:uppercase;letter-spacing:1.5px;font-size:12px;opacity:.85;margin:0 0 8px}
h1{font-size:clamp(28px,4.5vw,44px);line-height:1.15;margin:0 0 16px;max-width:820px}
h2{font-size:24px;margin:0 0 14px}
h3{margin:0 0 8px;font-size:18px}
.lead{font-size:19px;max-width:720px;opacity:.95}
.answer{background:rgba(255,255,255,.1);border-left:4px solid var(--acc);padding:12px 16px;border-radius:4px;max-width:820px}
.meta{font-size:14px;opacity:.9}
.badges{list-style:none;padding:0;margin:18px 0 24px;display:flex;flex-wrap:wrap;gap:8px}
.badges li{border:1px solid rgba(255,255,255,.35);border-radius:99px;padding:4px 12px;font-size:14px}
.btn{display:inline-block;background:var(--acc);color:var(--navy);font-weight:700;text-decoration:none;padding:12px 20px;border-radius:8px;margin:4px 6px 4px 0}
.btn.ghost{background:transparent;color:inherit;border:1px solid currentColor}
.sec{padding:44px 20px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:16px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px}
.card h3 a{text-decoration:none}
.price{font-weight:700;color:var(--ok);font-size:14px}
.orient{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:10px}
.orient a{display:flex;justify-content:space-between;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:14px 16px;text-decoration:none;font-weight:600}
.orient a:hover{border-color:var(--navy);box-shadow:0 2px 0 var(--acc)}
.steps{list-style:none;counter-reset:s;padding:0;display:grid;gap:10px}
.steps li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 16px 14px 62px;position:relative}
.steps li:before{content:counter(s);position:absolute;left:16px;top:14px;width:32px;height:32px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:700}
.steps b{display:block}.steps span{color:var(--muted)}
.check{list-style:none;padding:0}.check li{padding-left:26px;position:relative;margin:6px 0}
.check li:before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}
.warn{background:var(--warn);border:1px solid #efd69c;border-radius:10px;padding:20px}
table{width:100%;border-collapse:collapse;background:var(--card);border-radius:10px;overflow:hidden}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line)}
th{background:var(--navy);color:#fff;font-weight:600}
details{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:12px 16px;margin:8px 0}
summary{cursor:pointer;font-weight:600}
.small{font-size:13px;color:var(--muted)}
.cta{text-align:center}
.cta p{color:var(--muted)}
.diagram{margin:0 0 16px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px;color:var(--navy)}
.diagram svg{width:100%;height:auto}
figcaption{font-size:14px;color:var(--muted);margin-top:8px}
.foot{background:var(--navy);color:#cfd8e3;padding:36px 0 20px;margin-top:20px}
.foot a{color:#f3d48a}
.fgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;font-size:14px}
.foot .small{color:#9fb0c3;margin-top:20px}
.wafloat{position:fixed;right:16px;bottom:16px;background:#25d366;color:#fff;font-weight:700;text-decoration:none;padding:12px 18px;border-radius:99px;box-shadow:0 4px 14px rgba(0,0,0,.25);z-index:6}
@media(max-width:820px){.menu{display:block}nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--navy);flex-direction:column;padding:8px 20px 16px}nav.open{display:flex}.two{grid-template-columns:1fr}}
.hot{cursor:pointer}.hot circle{fill:var(--acc);stroke:var(--navy);stroke-width:2}
.hot text{font-size:13px;font-weight:800;text-anchor:middle;fill:var(--navy)}
.hot.on circle,.hot:focus circle{fill:var(--navy)}.hot.on text,.hot:focus text{fill:#fff}
.reqlist{margin:0;padding-left:22px}
.reqlist li{padding:6px 8px;border-radius:6px}
.reqlist li.on{background:var(--warn)}
.reqlist span{display:block;font-size:14px;color:var(--muted);margin-left:22px}
.score{font-weight:600}
.tview{display:grid;grid-template-columns:1.4fr 1fr;gap:18px;align-items:start;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px;margin:0 0 16px}
.tview img{width:100%;height:auto;border-radius:8px;display:block}
.tview h3{margin:4px 0 8px}
@media(max-width:820px){.tview{grid-template-columns:1fr}}
.t3d{position:relative;background:linear-gradient(180deg,#eef1f4,#dfe4e9);border:1px solid var(--line);border-radius:12px;overflow:hidden;margin:0 0 16px}
.t3d-canvas{width:100%;height:min(62vh,520px);touch-action:none;cursor:grab}
.t3d-hs{position:absolute;inset:0;pointer-events:none}
.pin{position:absolute;left:0;top:0;pointer-events:auto;width:30px;height:30px;border-radius:50%;border:3px solid var(--navy);background:var(--acc);color:var(--navy);font-weight:800;font-size:14px;cursor:pointer;padding:0;box-shadow:0 2px 6px rgba(0,0,0,.25)}
.pin.on{background:var(--navy);color:#fff;border-color:var(--acc)}
.t3d-bar{position:absolute;top:10px;left:10px;display:flex;gap:6px;flex-wrap:wrap}
.t3d-bar button{border:1px solid var(--navy);background:#fff;color:var(--navy);border-radius:99px;padding:6px 12px;font-weight:600;cursor:pointer}
.t3d-bar button.on{background:var(--navy);color:#fff}
.t3d-hint{position:absolute;bottom:6px;right:12px;margin:0;font-size:12px;color:var(--muted)}
.tgroups{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}
.tgroup{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.tgroup h3{margin:0 0 6px}
.photos{margin-top:14px}.pgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:10px;margin-top:10px}
.pgrid img{width:100%;height:auto;border-radius:8px}.pgrid figure{margin:0}
.t3d-fallback{display:block;width:100%;height:auto}
.t3d .t3d-canvas,.t3d .t3d-bar,.t3d .t3d-hint{display:none}
.t3d.ready .t3d-fallback{display:none}
.t3d.ready .t3d-canvas{display:block}.t3d.ready .t3d-bar{display:flex}.t3d.ready .t3d-hint{display:block}
.t3d-tools{position:absolute;top:10px;right:10px;display:none;flex-direction:column;gap:6px}
.t3d.ready .t3d-tools{display:flex}
.t3d-tools button,.t3d-struct{border:1px solid var(--line);background:#fff;color:var(--navy);border-radius:10px;width:36px;height:36px;font-size:18px;font-weight:700;cursor:pointer}
.t3d-struct{position:absolute;left:10px;top:50px;width:auto;height:auto;padding:6px 12px;font-size:13px;display:none}
.t3d.ready .t3d-struct{display:block}.t3d-struct.on{background:var(--acc);border-color:var(--acc)}
.t3d-card{display:none;align-items:center;gap:10px;background:#fff;border-top:1px solid var(--line);padding:10px 12px}
.t3d.ready .t3d-card{display:flex}
.t3d-card>div{flex:1;min-height:44px}.t3d-card b{display:block;color:var(--navy)}.t3d-card span{font-size:14px;color:var(--muted)}
.t3d-card button{border:1px solid var(--line);background:var(--bg);border-radius:50%;width:36px;height:36px;font-size:16px;cursor:pointer}
.t3d-hint{bottom:auto;top:auto}
.t3d .t3d-hint{position:static;padding:4px 12px 0;text-align:right}
.t3d-card{padding-right:70px}
@media(max-width:600px){.t3d-canvas{height:380px}}
@media(max-width:600px){.pin{width:24px;height:24px;font-size:12px;border-width:2px}}