/* Standard button and directly hidden panel, without the native details renderer. */
.site-header{position:relative}
.site-header>.button{order:2;margin-left:auto}
.site-header .site-menu{position:relative;order:3;flex-shrink:0;margin-left:0}
.site-menu>.menu-trigger{display:grid;place-items:center;width:44px;height:44px;padding:0;border:1px solid #d5dceb;border-radius:11px;color:var(--ink);background:transparent;appearance:none;touch-action:manipulation}
.site-menu>.menu-trigger svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;pointer-events:none}
.site-menu>.menu-trigger[aria-expanded="true"]{background:var(--lavender);color:var(--blue);border-color:#bdc8f2}
@media(hover:hover) and (pointer:fine){.site-menu>.menu-trigger:hover{background:var(--lavender);color:var(--blue);border-color:#bdc8f2}}
.site-header .site-menu .menu-panel{display:grid;position:absolute;z-index:30;right:0;top:calc(100% + 12px);width:300px;max-width:calc(100vw - 40px);margin:0;padding:9px;gap:3px;border:1px solid var(--line);border-radius:15px;background:#fff;box-shadow:0 12px 32px #1b23451c;font-size:13px;line-height:1.5;font-weight:550}
.site-header .site-menu .menu-panel[hidden]{display:none!important}
.site-header .site-menu .menu-panel a{display:flex;align-items:center;min-height:47px;padding:12px 14px;border-radius:9px;white-space:normal;overflow-wrap:break-word}
.site-header .site-menu .menu-panel a:hover,.site-header .site-menu .menu-panel a[aria-current="page"]{background:var(--lavender);color:var(--blue)}
.assessment-mode .site-menu{display:none}
.menu-fallback{display:flex;flex-wrap:wrap;gap:8px 24px;padding-block:16px;font-size:13px}
.menu-fallback a{padding-block:8px}
@media(max-width:680px){.site-header>.button{display:none}.site-header .site-menu{margin-left:auto}.site-header{min-height:84px;gap:14px}.site-header .site-menu .menu-panel{font-size:13px}}
@media print{.site-menu{display:none}}
.info-hero{padding:64px 0 42px;max-width:890px}
.info-hero h1{font-size:clamp(36px,4.6vw,61px);margin-top:18px}
.info-lead{font-size:18px;color:var(--muted);max-width:690px;margin-top:24px;line-height:1.7}
.info-anchors{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:25px;font-size:13px;color:var(--blue)}
.info-anchors a{padding-block:8px;border-bottom:1px solid #cbd4ff}
.info-section{padding-block:46px}
.info-section h2{font-size:clamp(28px,3vw,39px);margin-top:13px}
.section-intro{max-width:690px;font-size:15px;color:var(--muted);margin-top:18px}
.airway-card{border:1px solid #dce2f3;background:#fff;border-radius:26px;overflow:hidden;margin-top:29px}
.airway-controls{display:flex;gap:8px;padding:18px 23px;border-bottom:1px solid var(--line);background:#f1f3ff}
.airway-controls button{border:1px solid #ccd4eb;background:#fff;border-radius:10px;padding:10px 16px;font-size:13px;min-height:44px}
.airway-controls button[aria-pressed="true"]{background:var(--blue);border-color:var(--blue);color:white}
.airway-body{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:40px;padding:36px}
.airway-figure{margin:0;min-width:0}
.airway-figure figcaption{font-size:11px;color:var(--muted);margin-top:17px;text-align:center}
.airway-model{position:relative;height:228px;overflow:hidden;background:#edf8f8;border-radius:18px;isolation:isolate;--bulge:0px}
.airway-model[data-state="narrow"]{--bulge:50px}
.airway-model[data-state="blocked"]{--bulge:80px}
.tissue{position:absolute;left:-5%;width:110%;height:42px;background:#c8c8f3;z-index:2;transition:height .35s ease;border:1px solid #acaee0}
.tissue-top{top:0;border-radius:0 0 48% 48%;height:calc(42px + var(--bulge))}
.tissue-bottom{bottom:0;border-radius:48% 48% 0 0;height:calc(42px + var(--bulge))}
.airway-direction{position:absolute;inset:0;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:25px;color:#246d74;font-size:11px;font-weight:600;z-index:3}
.airway-direction span{background:#edf8f8dc;border-radius:5px;padding:4px 6px}
.airflow{position:absolute;top:50%;left:20%;width:58%;display:flex;justify-content:space-around;transform:translateY(-50%);z-index:1}
.airflow i{width:9px;height:9px;background:#418d98;border-radius:50%;animation:air-travel 1.8s ease-in-out infinite}
.airflow i:nth-child(2){animation-delay:.2s}.airflow i:nth-child(3){animation-delay:.4s}.airflow i:nth-child(4){animation-delay:.6s}
[data-state="narrow"] .airflow i{width:6px;height:6px;animation-duration:2.5s}
[data-state="blocked"] .airflow{opacity:0;animation:none}
.airway-explanation h3{font-size:24px;line-height:1.25}
.airway-explanation p{font-size:14px;color:var(--muted);line-height:1.8;margin-top:16px}
.airway-explanation .mechanism-label{display:block;font-size:11px;color:var(--blue);letter-spacing:.08em;font-weight:650;margin-bottom:13px}
.mechanism-note{padding:22px 36px;background:#f6f7fc;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.mechanism-note strong{color:var(--ink)}
@keyframes air-travel{0%,100%{transform:translateX(-9px);opacity:.4}50%{transform:translateX(9px);opacity:1}}
.sign-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:27px}
.sign-card{border-radius:22px;padding:30px;background:#eaf0ff;border:1px solid #dce4f8}
.sign-card.child{background:#eaf6f2;border-color:#d5e9e1}
.sign-card .card-kicker{font-size:11px;letter-spacing:.09em;color:#50618b;font-weight:650}
.sign-card.child .card-kicker{color:#3f7668}
.sign-card h3{font-size:24px;margin-top:12px}
.sign-card ul{list-style:none;padding:0;margin:20px 0 0}
.sign-card li{font-size:14px;line-height:1.7;padding:11px 0 11px 21px;position:relative;border-bottom:1px solid #cad7f0}
.sign-card.child li{border-color:#c9e2d9}
.sign-card li:last-child{border:0;padding-bottom:0}
.sign-card li::before{content:"";position:absolute;left:0;top:21px;width:5px;height:5px;background:#627bd0;border-radius:50%}
.sign-card.child li::before{background:#4e9380}
.info-note{font-size:13px;line-height:1.8;color:var(--muted);margin-top:20px}
.impact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}
.impact-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:27px}
.impact-index{display:grid;place-items:center;width:37px;height:37px;background:var(--lavender);border-radius:12px;color:var(--blue);font-size:12px;font-weight:650;margin-bottom:23px}
.impact-card h3{font-size:20px;line-height:1.3;margin-bottom:14px}
.impact-card p{font-size:13px;line-height:1.8;color:var(--muted)}
.safety-strip{background:#fff2e9;border:1px solid #f1ddce;border-radius:16px;padding:20px 24px;margin-top:23px;font-size:13px;line-height:1.8;color:#704d38}
.knowledge-check{margin-top:24px;border:1px solid var(--line);border-radius:16px;background:#fff;padding:0 24px}
.knowledge-check summary{display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:15px;font-weight:600;padding:22px 0}
.knowledge-check p{font-size:14px;color:var(--muted);padding-bottom:24px;max-width:800px}
.info-next{display:grid;grid-template-columns:1fr auto;align-items:center;gap:28px;background:#e9edff;border:1px solid #d8dff8;border-radius:24px;padding:36px;margin:25px 0 45px}
.info-next h2{font-size:30px;line-height:1.25}.info-next p{margin-top:14px;max-width:690px;font-size:14px;color:var(--muted)}
.info-sources{padding-bottom:48px;font-size:11px;color:var(--muted);line-height:1.9;max-width:850px}
.info-sources a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.info-sources strong{color:var(--ink)}
.doctor-layout{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start;margin:0 0 66px}
.doctor-details{padding-top:15px}.doctor-details h2{font-size:30px;line-height:1.3}
.doctor-details>p{font-size:15px;color:var(--muted);margin-top:18px}
.poster-actions{display:flex;flex-direction:column;align-items:stretch;gap:12px;margin-top:29px;max-width:350px}
.poster-actions .button{font-size:14px}
.poster-specs{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px;font-size:11px;color:var(--muted)}
.poster-specs span{background:#eef0f7;padding:5px 9px;border-radius:6px}
.print-tips{border-block:1px solid var(--line);padding:25px 0;margin-top:30px}
.print-tips h3{font-size:18px}.print-tips ol{padding-left:20px;margin:16px 0 0;color:var(--muted);font-size:13px}
.print-tips li{padding:5px 0}
.poster-origin{margin-top:26px;font-size:13px;color:var(--muted)}
.poster-origin h3{font-size:18px;color:var(--ink);margin-bottom:13px}
.poster-origin a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.poster-preview{margin:0;padding:24px;background:#e9edfa;border-radius:24px}
.poster-preview a{display:block;box-shadow:0 10px 30px #1b234522}
.poster-preview img{display:block;width:100%;height:auto;background:white}
.poster-preview figcaption{text-align:center;font-size:11px;margin-top:18px;color:var(--muted)}
.doctor-note{margin:0 0 55px;font-size:13px;color:var(--muted);max-width:820px}
.professional-entry{max-width:880px;padding:72px 0 90px;min-height:65vh}
.professional-entry h1{font-size:clamp(35px,4.3vw,58px);margin:20px 0 30px;line-height:1.12}
.professional-entry p{font-size:15px;color:var(--muted);max-width:750px;line-height:1.8;margin-top:19px}
.professional-entry .professional-notice{padding:24px 26px;background:var(--lavender);border:1px solid #d8dff8;border-radius:18px}
.professional-notice strong{color:var(--ink)}
.professional-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.professional-actions .button{font-size:13px}
.professional-banner{display:inline-block;margin-top:27px;padding:8px 13px;border-radius:8px;background:var(--lavender);color:var(--blue);font-size:12px;font-weight:600}
.professional-banner+.info-hero{padding-top:28px}
#professional-heading:focus{outline:none}
@media(max-width:680px){.professional-entry{padding:40px 0 52px;min-height:60vh}.professional-entry h1{font-size:35px}.professional-entry h1 br{display:none}.professional-entry p{font-size:14px}.professional-entry .professional-notice{padding:21px}.professional-actions{flex-direction:column}.professional-actions .button{width:100%;font-size:13px}.professional-banner{font-size:11px}}
@media(max-width:900px){.airway-body{gap:25px;padding:25px}.impact-grid{gap:14px}.impact-card{padding:22px}.doctor-layout{gap:32px}.info-next{grid-template-columns:1fr;justify-items:start}}
@media(max-width:680px){.info-hero{padding:40px 0 22px}.info-lead{font-size:16px;margin-top:20px}.info-anchors{font-size:12px;gap:7px 19px}.info-section{padding-block:30px}.info-section h2{font-size:29px}.section-intro{font-size:14px}.airway-controls{padding:14px;gap:7px}.airway-controls button{font-size:11px;padding:9px 7px;flex:1}.airway-body{grid-template-columns:1fr;padding:20px;gap:25px}.airway-model{height:210px}.airway-explanation h3{font-size:23px}.mechanism-note{padding:20px;font-size:12px}.sign-grid,.impact-grid{grid-template-columns:1fr;gap:16px}.sign-card{padding:25px}.impact-card{padding:25px}.impact-index{margin-bottom:17px}.impact-card p{font-size:14px}.safety-strip{padding:20px;font-size:12px}.knowledge-check{padding:0 20px}.knowledge-check summary{font-size:14px}.knowledge-check p{font-size:13px}.info-next{padding:26px;margin-top:25px}.info-next h2{font-size:26px}.info-next .button{width:100%;font-size:13px}.doctor-layout{grid-template-columns:1fr;gap:35px;margin-bottom:35px}.doctor-details h2{font-size:27px}.poster-actions{max-width:none}.poster-preview{padding:18px;border-radius:18px}.info-sources{font-size:11px}.doctor-note{margin-bottom:40px}}
@media(prefers-reduced-motion:reduce){.airflow i{animation:none}.tissue{transition:none}}
@media print{.info-anchors,.airway-controls,.poster-actions{display:none}.info-hero,.info-section{padding-block:20px}.sign-card,.impact-card,.airway-card{break-inside:avoid}}