.tour-intro{grid-template-columns:1fr 1fr}
.tour-intro .tour-intro-copy p{margin-top:20px;max-width:58ch}
.tour-intro .tour-intro-note{padding-top:20px;border-top:1px solid var(--line);font-size:13px;line-height:1.9}
.tour-route{padding-bottom:64px}
.tour-stage-nav{display:flex;flex-wrap:wrap;gap:12px 32px;border-bottom:1px solid var(--line);margin-bottom:24px}
.tour-stage-nav button{background:none;border:0;border-bottom:2px solid transparent;font:inherit;font-size:16px;color:var(--muted);padding:14px 2px;min-height:52px}
.tour-stage-nav button[aria-selected=true]{border-bottom-color:var(--accent);color:var(--accent);font-weight:500}
.tour-stage-nav button span{display:inline-block;margin-right:10px;font-size:13px}
.tour-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:28px;align-items:start}
.tour-scene{margin:0;min-width:0}
.tour-screen{position:relative;background:var(--dark);border-radius:12px;overflow:hidden;aspect-ratio:auto}
.tour-screen img{width:100%;height:auto;display:block}
.tour-hotspot{position:absolute;left:var(--x);top:var(--y);transform:translate(-50%,-50%);width:44px;height:44px;border:1px solid #E0EBE3;border-radius:50%;background:#315A4D;color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;box-shadow:0 4px 18px #0005;transition:background 160ms,box-shadow 160ms}
.tour-hotspot:hover,.tour-hotspot[aria-pressed=true]{background:#F5F7F4;color:#11181B;box-shadow:0 4px 22px #0007}
.tour-hotspot:focus-visible{outline-color:#E8B778;outline-offset:3px}
.tour-source{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;margin-top:16px;font-size:12px;line-height:1.9;color:var(--muted)}
.tour-source a{text-decoration:underline;margin-left:auto;min-height:44px;display:flex;align-items:center;color:var(--accent)}
.tour-context{border-top:1px solid var(--line);padding-top:20px;min-width:0}
.tour-context h2{font-size:26px;line-height:1.5;letter-spacing:-.02em}
.tour-context>p{font-size:14px;line-height:1.9;color:var(--muted);margin-top:13px}
.tour-points{margin:22px 0 0;padding:0;list-style:none}
.tour-points li+li{border-top:1px solid var(--line)}
.tour-point-button{display:flex;align-items:flex-start;text-align:left;gap:12px;background:transparent;border:0;width:100%;padding:14px 0;min-height:48px;color:var(--muted);font:inherit;font-size:14px;line-height:1.8}
.tour-point-button>span:first-child{display:flex;align-items:center;justify-content:center;min-width:26px;height:26px;border:1px solid var(--line);border-radius:50%;font-size:12px;margin-top:2px}
.tour-point-button[aria-pressed=true]{color:var(--accent);font-weight:500}
.tour-point-button[aria-pressed=true]>span:first-child{border-color:var(--accent);background:#E4EDE5}
.tour-explanation{padding-top:20px;margin-top:10px;border-top:1px solid var(--line)}
.tour-explanation h3{font-size:17px;line-height:1.5;font-weight:500}
.tour-explanation p{font-size:14px;color:var(--muted);line-height:1.9;margin-top:10px;max-width:68ch}
.tour-bottom-controls{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;margin-top:24px;border-top:1px solid var(--line);padding-top:18px}
.tour-step-counter{font-size:13px;color:var(--muted)}
.tour-step-actions{display:flex;gap:12px}
.tour-step-actions button{font:inherit;font-size:14px;min-height:48px;padding:10px 20px;border:1px solid var(--line);border-radius:7px;background:var(--surface);color:var(--ink)}
.tour-step-actions button:hover{border-color:var(--accent);color:var(--accent)}
.tour-step-actions button:disabled{opacity:.5}
.tour-closing{background:#EAF0E9;padding-block:50px}
.tour-closing .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:28px}
.tour-closing h2{font-size:30px;line-height:1.4;letter-spacing:-.02em}
.tour-closing p{font-size:14px;line-height:1.9;color:var(--muted);margin-top:13px;max-width:65ch}
.tour-closing nav{display:flex;align-items:center;flex-wrap:wrap;gap:20px}
.tour-static{padding-top:32px;border-top:1px solid var(--line);margin-top:40px}
.tour-static h2{font-size:25px;margin-bottom:16px}.tour-static p{font-size:14px;line-height:1.9;max-width:70ch;color:var(--muted)}
.tour-static img{margin-top:20px;border-radius:12px}
@media(max-width:1199px){.tour-layout{grid-template-columns:minmax(0,1fr) 250px;gap:24px}.tour-hotspot{width:44px;height:44px}.tour-context h2{font-size:23px}}
@media(max-width:959px){.tour-layout{grid-template-columns:1fr;gap:25px}.tour-intro{grid-template-columns:1fr}.tour-context{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:0 30px}.tour-context>h2,.tour-context>p{grid-column:1}.tour-points{grid-column:2;grid-row:1 / span 3;margin-top:0}.tour-explanation{grid-column:1 / -1}.tour-closing h2{font-size:27px}}
@media(max-width:639px){.tour-stage-nav{gap:0 18px}.tour-stage-nav button{font-size:14px}.tour-stage-nav button span{font-size:12px;margin-right:6px}.tour-context{display:block}.tour-context h2{font-size:25px}.tour-points{margin-top:19px}.tour-hotspot{width:44px;height:44px;font-size:12px}.tour-source{font-size:12px;gap:0 14px}.tour-source a{margin-left:0}.tour-route{padding-bottom:42px}.tour-closing{padding-block:38px}.tour-step-actions button{padding-inline:14px}.tour-bottom-controls{align-items:flex-start}}
@media(prefers-reduced-motion:reduce){.tour-hotspot{transition:none}}

.tour-panel:not([hidden]) ~ .tour-panel:not([hidden]){margin-top:48px}

.tour-source-note{font-size:12px;color:var(--muted);line-height:1.9;margin-top:8px;max-width:72ch}

/* Full native windows paired with concrete function explanations. */
.tour-route .tour-layout{grid-template-columns:minmax(0,1fr) minmax(280px,330px);gap:36px}
.tour-route .tour-points{display:flex;flex-direction:column;gap:0;margin:20px 0 0;list-style:none}
.tour-route .tour-points li+li{border-top:1px solid var(--line)}
.tour-route .tour-point-button{width:100%;gap:8px;min-height:44px;padding:10px 0;font-size:13px}
.tour-route .tour-point-button>span:first-child{min-width:24px;height:24px;margin-top:0}
.tour-route .tour-complete{margin:0;min-width:0}
.tour-route .tour-complete .tour-screen{aspect-ratio:auto;min-height:0}
.tour-route .tour-complete .tour-screen img{width:100%;height:auto;max-width:100%;object-fit:contain}
.tour-route .tour-source{margin-top:8px}
.tour-route .tour-source-note{margin-top:0}
.tour-route .tour-location{font-size:13px;color:var(--accent);margin-top:9px}
.tour-route .tour-explanation p+p{margin-top:8px}
.tour-page .tour-closing h2{max-width:28ch}
.tour-page .tour-closing nav{max-width:37ch}
@media(max-width:1199px){.tour-route .tour-layout{grid-template-columns:minmax(0,1fr) 280px;gap:28px}}
@media(max-width:959px){
  .tour-route .tour-layout{grid-template-columns:1fr;gap:24px}
  .tour-route .tour-context{display:block}
  .tour-route .tour-context>p,.tour-route .tour-explanation{max-width:68ch}
}
@media(max-width:639px){
  .tour-route .tour-layout{gap:22px}
  .tour-route .tour-context{display:block}
  .tour-route .tour-points{margin-top:19px}
  .tour-route .tour-location{font-size:13px}
  .tour-page .tour-closing nav{max-width:none;gap:14px 20px}
}