/* Shared information architecture: preserve VALREXA's established scientific identity. */
.vx-primary{background:#0b1f33;color:#fff}
.vx-primary>.wrap{height:auto!important;min-height:50px;display:flex;justify-content:flex-start;gap:22px}
.vx-nav-group{position:relative;display:flex;align-items:stretch}
.vx-nav-group>a,.vx-nav-direct{display:flex;align-items:center;padding:14px 4px;color:#e7eef6;font-size:14px;font-weight:600}
.vx-nav-group>a[aria-current],.vx-nav-direct[aria-current]{box-shadow:inset 0 -3px #9bc9ef;color:#fff}
.vx-nav-toggle{border:0;background:transparent;color:#e7eef6;padding:6px 8px;cursor:pointer;font-size:18px}
.vx-nav-toggle:focus-visible,.vx-primary a:focus-visible{outline:2px solid #b9dcff;outline-offset:-3px}
.vx-dropdown{display:none;position:absolute;top:100%;left:0;background:#fff;color:#0b1f33;border:1px solid #dbe3eb;border-radius:0 0 14px 14px;width:310px;padding:10px;box-shadow:0 20px 45px #0b1f3326;z-index:80}
.vx-nav-group:last-child .vx-dropdown{left:auto;right:0}
.vx-nav-group.vx-open .vx-dropdown{display:grid}
@media(hover:hover){.vx-nav-group:hover .vx-dropdown{display:grid}}
.vx-dropdown a{display:grid;padding:10px;border-radius:8px;gap:3px}
.vx-dropdown a:hover{background:#edf3f8}
.vx-dropdown b{font-size:14px}.vx-dropdown span{font-size:12px;color:#46596e;line-height:1.45}
.vx-topbar .hsearch input{width:100%}
.vx-topbar .actions>.vx-home-shortcut{display:none}
.hero>*{min-width:0}
.hero .science-feature{min-width:0;max-width:100%;width:100%;margin-inline:0}
.science-feature canvas{max-width:100%}
.science-feature figcaption>div:first-child{min-width:0}
.science-feature .feature-controls{display:grid;grid-template-columns:1fr auto auto auto;gap:6px}
.science-feature .feature-controls[hidden]{display:none}
.feature-audio{grid-column:1/-1;display:flex;align-items:center;gap:12px}
.feature-audio label{display:flex;align-items:center;gap:8px;font-size:12px;color:#42556f}
.feature-audio input{width:82px;max-width:100%;accent-color:#17476f;min-height:36px;cursor:pointer}
.feature-audio button[aria-pressed="true"]{background:#17476f;color:#fff;border-color:#17476f}
.feature-sound-note{display:block;margin-top:6px;color:#42556f;font-size:12px;line-height:1.4;max-width:34ch}
.vx-audio-tile{min-width:0;display:grid;gap:12px;align-content:start}
.vx-audio-tile>.stage{margin:0;width:100%}
.vx-profile-audio-controls{padding:14px 16px;background:#f2f6fa;border:1px solid #dce4ec;border-radius:14px}
.vx-profile-audio-controls .feature-audio{flex-wrap:wrap}
.vx-profile-audio-controls button{min-height:44px;padding:8px 14px;border:1px solid #bccada;border-radius:8px;background:#fff;color:#17476f;font-family:inherit;font-size:13px;font-weight:600;line-height:1.4;cursor:pointer}
.vx-profile-audio-controls button:focus-visible,.vx-profile-audio-controls input:focus-visible{outline:3px solid #2f5bea;outline-offset:3px}
.vx-profile-audio-controls .feature-sound-note{max-width:none}
.vx-profile-audio-controls button:disabled{cursor:not-allowed;opacity:.65}
.science-feature{min-height:580px}
.science-feature canvas{top:104px;height:calc(100% - 104px - var(--feature-caption-space,210px));cursor:grab;touch-action:pan-y}
.science-feature canvas:active{cursor:grabbing}
.feature-sequence{display:block;margin-top:5px;color:#274966;font:500 12px/1.6 ui-monospace,monospace;letter-spacing:.035em;overflow-wrap:anywhere}
.science-feature .feature-model-note{font-size:12px;line-height:1.45}
.science-feature .feature-kicker{font-size:12px}
@media(max-width:600px){.science-feature{min-height:560px}.feature-audio{gap:10px}.feature-audio input{width:72px}}
.vx-hero-links{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:22px}
.vx-hero-links a{font-size:14px;font-weight:600;color:#17476f;text-decoration:underline;text-underline-offset:4px}
.vx-kicker,.vx-path-number{font-size:12px;letter-spacing:.08em;text-transform:uppercase;font-weight:650;color:#375b78}
.vx-start{padding:40px 0 48px;border-bottom:1px solid #dae3ec}
.vx-start h2,.vx-learning-paths h2{margin:10px 0;font-size:30px;letter-spacing:-.035em}
.vx-start p{color:#4a5d70}
.vx-start-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:26px}
.vx-start-grid>a{padding:24px;border-top:2px solid #142f49;border-right:1px solid #dbe3eb;background:#f7f9fb;transition:background .15s}
.vx-start-grid>a:last-child{border-right:0}
.vx-start-grid>a:hover{background:#eaf1f7}
.vx-start-grid h3{font-size:21px;letter-spacing:-.025em;margin:20px 0 10px}
.vx-start-grid p{font-size:15px;line-height:1.6;margin-bottom:24px}
.vx-start-grid a>span:last-child{font-size:14px;color:#173f67;font-weight:600}
.vx-news-heading{display:flex;gap:20px;justify-content:space-between;align-items:center;margin-bottom:20px}
.vx-news-heading p{color:#4a5d70;font-size:14px}.vx-news-heading>a{font-size:14px;font-weight:600;white-space:nowrap}
.vx-news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.vx-news-card{display:flex;flex-direction:column;align-items:start;border-top:1px solid #b7c7d5;padding:22px 0}
.vx-news-card h3{font-size:23px;line-height:1.25;letter-spacing:-.03em;margin:12px 0}
.vx-news-card p{font-size:14px;line-height:1.6;color:#43566c;margin:0 0 20px}
.vx-meta{font-size:12px;color:#4c6074;margin-top:auto;line-height:1.55}
.vx-continue{padding:30px;margin:40px auto;background:#edf3f8;border-left:3px solid #244f76;max-width:1180px;text-align:left}
.vx-continue h2{font-size:24px!important;margin:0 0 8px;letter-spacing:-.025em}
.vx-continue>p{font-size:15px;line-height:1.6;color:#445a70}
.vx-next-links{display:flex;gap:12px 24px;flex-wrap:wrap;margin-top:20px}
.vx-next-links a{font-size:14px;font-weight:600;text-decoration:underline;text-underline-offset:4px;color:#17476f}
.vx-hub{padding-top:40px;padding-bottom:60px}
.vx-hub h1{font-size:clamp(36px,5vw,64px);line-height:1.04;letter-spacing:-.05em;margin:22px 0}
.vx-hub>.lede{max-width:780px}
.vx-breadcrumb{font-size:13px;color:#4a5d70;margin-bottom:28px}
.vx-breadcrumb a{text-decoration:underline}
.vx-reference-route{padding:16px 0!important;margin:12px 0!important}
.vx-reference-route p{font-size:15px;color:#445a70}
.vx-reference-route a{text-decoration:underline}
.vx-tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin:38px 0}
.vx-tool-card{padding:26px;border:1px solid #d5dfe8;border-radius:12px;display:flex;flex-direction:column;align-items:start}
.vx-tool-card:hover{background:#f2f6fa;border-color:#7898b6}
.vx-tool-card h2{font-size:24px;margin:15px 0;letter-spacing:-.025em}
.vx-tool-card p,.vx-tool-note{font-size:15px;line-height:1.65;color:#445a70}
.vx-tool-card>span:last-child{margin-top:auto;padding-top:20px;font-size:14px;font-weight:600}
.vx-learning-paths{padding:24px 0 36px}
.vx-learning-reference{padding:18px 0}.vx-learning-reference p{font-size:15px;line-height:1.7}
.vx-learning-reference a,.vx-availability a{text-decoration:underline;color:#17476f}
.vx-availability{padding:22px;background:#edf3f8;border-left:3px solid #244f76;margin:24px 0;font-size:15px;line-height:1.75}
.vx-mobile-group{border-bottom:1px solid #dbe3eb}
.menu .vx-mobile-group>summary{height:auto;min-height:50px;border:0;border-radius:0;justify-content:space-between;font-weight:650;padding:14px 12px}
.menu .vx-mobile-group>summary::after{content:"+";font-size:20px}.menu .vx-mobile-group[open]>summary::after{content:"−"}
.vx-mobile-group a{display:grid!important;gap:2px}.vx-mobile-group a b{font-size:14px}
.vx-mobile-group a span{font-size:12px;color:#46596e;line-height:1.45}
.vx-mobile-group .vx-section-home{font-weight:650;color:#17476f!important}
.vx-mobile-direct{display:block;font-weight:650;padding:14px 12px!important;border-bottom:1px solid #dbe3eb}
@media(max-width:1000px){
 .vx-primary{display:none}
 header.top>.vx-topbar{height:auto!important;min-height:72px;gap:12px;flex-wrap:wrap;padding-block:12px}
 .vx-topbar .logo{order:0}.vx-topbar .actions{order:1;margin-left:auto}.vx-topbar .hsearch{order:2;flex-basis:100%;max-width:none;margin:0}
 .vx-topbar .actions>.hide-s{display:none}.vx-topbar .vx-pro-link{font-size:13px;padding-inline:12px}
 .vx-topbar .actions>.vx-home-shortcut{display:inline-flex;align-items:center;justify-content:center;font-size:13px;padding-inline:10px;white-space:nowrap}
 .vx-menu{display:block!important;position:static!important}
 .vx-menu>nav{position:absolute!important;left:16px!important;right:16px!important;top:calc(100% + 4px)!important;width:auto!important;min-width:0!important;max-width:none!important;max-height:calc(100dvh - 160px)!important;overflow-y:auto;overscroll-behavior:contain;display:block!important;padding:8px!important;box-sizing:border-box}
 .vx-start-grid h3{font-size:19px}.vx-start-grid>a{padding:20px}
 .vx-tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:640px){
 .vx-topbar .logo img{width:34px;height:34px}.vx-topbar .logo>span{font-size:18px}.vx-topbar .logo small{font-size:10px}
 .vx-topbar .actions{gap:6px}.vx-topbar .btn{min-height:38px}
 .vx-topbar .vx-pro-link{display:none}
 .vx-start-grid,.vx-news-grid,.vx-tool-grid{grid-template-columns:1fr}
 .vx-start-grid>a{border-right:0;border-bottom:1px solid #dbe3eb}
 .vx-start-grid h3{margin-top:12px;font-size:22px}.vx-start-grid p{margin-bottom:16px}
 .vx-start h2{font-size:28px}
 .vx-news-heading{display:block}.vx-news-heading>a{display:inline-block;margin-bottom:8px}
 .vx-news-grid{gap:0}.vx-news-card h3{font-size:24px}
 .vx-continue{padding:22px;margin:30px 16px}
 .vx-hub .vx-continue,.wrap>.vx-continue{margin-inline:0}
 .vx-hub{padding-top:26px}.vx-availability{padding:18px}
 .vx-next-links{display:grid;gap:18px}
}
@media print{.vx-primary,.vx-continue,.vx-learning-paths{display:none!important}}

/* Source-check and learning-route notes */
main [id]{scroll-margin-top:10.5rem}
.stage figcaption.vx-qualified-caption{display:flex;flex-wrap:wrap;gap:.5rem 1rem}.vx-qualified-caption>div:first-child{flex:1;min-width:160px}.vx-qualified-caption>.legend{flex:none}.vx-qualified-caption>p{flex-basis:100%;margin:0}
.vx-source-url{display:block;overflow-wrap:anywhere;user-select:all;font-size:.875rem;margin-block:.5rem 1rem;color:#40566b}.vx-review-status{margin-block:1.5rem}.vx-review-status p{font-size:1rem;line-height:1.65}.vx-review-status a{overflow-wrap:anywhere}#learning-route-next a,#learning-route-nav a{display:inline-block;min-height:44px;padding-block:.5rem}#scientific-review{scroll-margin-top:10rem}#scientific-review li{margin-block:1rem}