:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--page:#f4efe7;--paper:#fffdf8;--ink:#1d252c;--muted:#63747d;--navy:#16232d;--gold:#c9902e;--teal:#117f83;--blue:#1d5a83;--green:#4f7d55;--plum:#70526d;--clay:#b65e42;--line:#d8e0e2;font-family:Arial,Arial Unicode MS,sans-serif}*{box-sizing:border-box}body{background:var(--page);color:var(--ink);margin:0}button,input{font:inherit}button{cursor:pointer}main{min-height:100vh}.loading{place-items:center;display:grid}.topbar{z-index:10;background:var(--navy);color:#fff;border-bottom:4px solid var(--gold);grid-template-columns:minmax(180px,1fr) auto auto auto auto;align-items:center;gap:18px;padding:14px 24px;display:grid;position:sticky;top:0}.brand-block{color:#fff;justify-items:start;gap:4px;text-decoration:none;display:grid}.brand-logo{width:156px;height:auto;display:block}.topbar h1{color:#f8efe2;margin:0;font-size:17px;line-height:1.1}.tabs{gap:6px;display:inline-flex}.tabs a,.download-link,.access-form button,.picker button{justify-content:center;align-items:center;gap:8px;display:inline-flex}.tabs a,.download-link{color:#fff;background:#ffffff12;border:1px solid #ffffff2e;min-height:38px;padding:0 13px;text-decoration:none}.tabs a.active{background:var(--gold);color:#17232d;border-color:var(--gold)}.download-link{direction:ltr;font-weight:700}.language-controls{grid-template-columns:repeat(2,minmax(132px,1fr));gap:8px;min-width:300px;display:grid}.language-controls label{color:#f8efe2;gap:4px;font-size:11px;font-weight:800;display:grid}.language-controls select{color:#fff;width:100%;min-height:38px;font:inherit;background:#ffffff1c;border:1px solid #ffffff38;padding:0 10px;font-weight:800}.language-controls option{color:var(--ink)}.mode-selector{justify-self:end;position:relative}.mode-button{color:#fff;direction:ltr;background:#ffffff1c;border:1px solid #ffffff38;align-items:center;gap:7px;min-height:38px;padding:0 12px;font-weight:800;display:inline-flex}.mode-menu{z-index:30;min-width:230px;color:var(--ink);background:#fffdf8;border:1px solid #cfd9dc;padding:7px;position:absolute;top:calc(100% + 8px);left:0;box-shadow:0 16px 35px #0c161e38}.mode-menu button{width:100%;color:var(--ink);text-align:left;direction:ltr;background:0 0;border:0;gap:3px;padding:10px 11px;display:grid}.mode-menu button.selected{color:var(--teal);background:#e8f1f5}.mode-menu small{color:var(--muted);text-align:right;direction:rtl}.modal-backdrop{z-index:60;background:#0c161e94;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.adult-dialog{background:var(--paper);border-top:6px solid var(--clay);width:min(560px,100%);padding:24px;box-shadow:0 22px 60px #0c161e47}.adult-dialog h2{color:var(--navy);margin:0 0 10px}.adult-dialog p{color:#41515a;direction:ltr;margin:0 0 18px}.adult-confirm-row{color:var(--ink);direction:ltr;grid-template-columns:auto 1fr;align-items:start;gap:10px;font-weight:700;display:grid}.adult-confirm-row input{margin-top:4px}.dialog-actions{justify-content:flex-start;gap:10px;margin-top:22px;display:flex}.dialog-actions button{background:var(--teal);color:#fff;border:0;min-height:40px;padding:0 16px;font-weight:800}.dialog-actions button.secondary{color:var(--navy);background:#e7ecee}.dialog-actions button:disabled{cursor:not-allowed;opacity:.48}.stack{gap:22px;width:min(1240px,100% - 32px);margin:22px auto 48px;display:grid}.landing-hero{grid-template-columns:minmax(260px,.75fr) minmax(320px,1fr);grid-template-areas:"brand selector""copy selector";align-items:center;gap:28px;width:min(1180px,100% - 32px);min-height:calc(100vh - 90px);margin:0 auto;padding:56px 0;display:grid}.landing-brand{grid-area:brand;align-self:end;gap:10px;display:grid}.landing-logo{width:min(280px,100%);height:auto}.landing-brand p,.landing-copy p{color:var(--muted);margin:0}.landing-copy{grid-area:copy;align-self:start}.landing-copy 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h2{color:var(--navy);margin:0;font-size:24px;line-height:1.15}.intro-band p,.access-band p,.section-heading p{color:var(--muted);margin:6px 0 0}.eyebrow{color:var(--teal);margin:0 0 5px;font-size:13px;font-weight:800}.bilingual-title{flex-wrap:wrap;align-items:baseline;gap:8px;display:inline-flex}.bilingual-title [dir=ltr]{direction:ltr;unicode-bidi:isolate}.title-slash{color:var(--gold)}.sample-panel{border-top:6px solid var(--blue);padding:20px}.sample-panel.interesting{border-top-color:var(--plum)}.section-heading{justify-content:space-between;align-items:end;gap:20px;margin-bottom:14px;display:flex}.scene-study-block{gap:16px;display:grid}.scene-figure{border:1px solid var(--line);background:#f7f3eb;margin:0;overflow:hidden}.scene-figure.wide{margin-bottom:18px}.scene-image-wrap{background-color:#f7f3eb;background-image:linear-gradient(90deg,#25313a12 1px,#0000 1px),linear-gradient(#25313a12 1px,#0000 1px),none;background-position:0 0,0 0,0 0;background-repeat:repeat,repeat,repeat;background-size:28px 28px;background-attachment:scroll,scroll,scroll;background-origin:padding-box,padding-box,padding-box;background-clip:border-box,border-box,border-box;width:100%;position:relative}.scene-raw-image{object-fit:fill;background:#efe6d6;border:3px solid #47545c;display:block;position:absolute;box-shadow:0 12px 26px #0c161e2e}.scene-leaders{pointer-events:none;width:100%;height:100%;position:absolute;inset:0}.scene-leaders line{stroke:#25313a;stroke-width:2.2px;vector-effect:non-scaling-stroke}.scene-leaders circle{fill:var(--clay);stroke:#fff;stroke-width:3px;vector-effect:non-scaling-stroke}.scene-label-box{border:1px solid #b8c4ca;border-top:6px solid var(--blue);text-align:center;background:#fffffff5;align-content:center;gap:4px;padding:8px 10px;line-height:1.12;display:grid;position:absolute;overflow:hidden;box-shadow:0 4px 11px #0c161e29}.scene-label-box 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14px}.picker button.selected{background:var(--paper);color:var(--teal);box-shadow:inset -4px 0 0 var(--teal)}.library-main{padding:20px}.locked-placeholder{min-height:220px;color:var(--muted);place-items:center;display:grid}.content-page{background:var(--paper);border-top:6px solid var(--teal);padding:24px;box-shadow:0 2px 12px #16232d14}.content-page h2{color:var(--navy);margin:0 0 18px;font-size:30px;line-height:1.1}.content-page p{color:#41515a;margin:0;line-height:1.55}.content-page a,.site-footer a{color:var(--blue);font-weight:800;text-decoration:none}.content-page a:hover,.site-footer a:hover{text-decoration:underline}.contact-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.contact-card,.legal-contact-box{border:1px solid var(--line);background:#fbf8f1;padding:16px}.contact-card h3,.legal-contact-box h3{color:var(--navy);margin:0 0 8px;font-size:17px}.contact-card p,.legal-contact-box p{margin-bottom:10px}.policy-panel{gap:16px;max-width:820px;display:grid}.site-footer{width:min(1240px,100% - 32px);color:var(--muted);border-top:1px solid #16232d24;justify-content:space-between;align-items:center;gap:16px;margin:-20px auto 34px;padding:16px 4px 0;font-size:14px;display:flex}.footer-contact,.footer-links{flex-wrap:wrap;align-items:center;gap:12px 18px;display:flex}.footer-links a{color:var(--muted);padding:3px 0;font-weight:800;text-decoration:none}.footer-links a:hover{color:var(--blue)}@media (width<=900px){.topbar{grid-template-columns:1fr}.brand-logo{width:142px}.tabs{overflow-x:auto}.mode-selector{justify-self:stretch}.language-controls{grid-template-columns:1fr;min-width:0}.mode-button{justify-content:center;width:100%}.mode-menu{left:0;right:0}.intro-band,.access-band,.library-section,.landing-hero,.contact-grid{grid-template-columns:1fr}.landing-hero{grid-template-areas:"brand""copy""selector";align-items:stretch;min-height:auto;padding:28px 0}.scene-label-box{border-top-width:4px;gap:2px;padding:5px 6px}.scene-label-box strong{font-size:10px}.scene-label-box span{font-size:9px}.picker{max-height:320px;position:static}.site-footer{flex-direction:column;align-items:flex-start;margin-top:-24px}}