/* BICCNS diagnostic center: restrained surfaces, product-led hierarchy. */
:root{--ink:#1d1d1f;--muted:#68686d;--blue:#0066cc;--bg:#f5f5f7}
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.product-stage{height:690px;min-height:0;max-height:850px;background:radial-gradient(ellipse at 50% 48%,#f0f1f4 0,#fafafa 46%,#fff0 72%)}.stage-label{display:flex;align-items:center;gap:9px;top:4px;left:0;right:0;justify-content:center;font-size:11px;font-weight:600;letter-spacing:.7px;color:#55555b}.stage-label>span:last-child{font-weight:400;letter-spacing:0;color:#77777e;margin-left:5px}.status-dot{width:5px;height:5px;background:#238758;border-radius:50%}#product{inset:38px 0 105px}.stage-bottom{bottom:4px;gap:4px}.stage-bottom .view-presets{gap:5px;background:#efeff2b3;border:1px solid #fff;border-radius:30px;width:auto;padding:0 14px;margin:0 auto 6px}.view-presets button{padding:10px 13px;color:#515158;font-size:11px}.view-presets button:hover{color:#0071e3}.stage-bottom>span{font-size:11px;color:#707077}.stage-bottom>small{font-size:10px;color:#76767c}
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.exploring{background:#f5f5f7}.exploring main{display:grid;grid-template-columns:minmax(360px,.95fr) minmax(0,1.05fr);gap:5%;padding:34px 5% 55px}.exploring .hero{display:contents}.exploring .hero-copy,.exploring .topics{display:none}.exploring .learn{display:block;grid-column:1;grid-row:1;padding:0;min-width:0}.learn-heading{margin:0 0 21px}.learn-heading .eyebrow{margin:0 0 10px;font-size:10px}.learn-heading h2{font-size:27px;font-weight:600;letter-spacing:-.8px;margin:0}.exploring .product-stage{grid-column:2;grid-row:1;position:sticky;top:105px;height:calc(100svh - 145px);min-height:640px;background:radial-gradient(ellipse at 50% 48%,#fff 0,#f5f5f700 72%)}.exploring .stage-label{top:0}.exploring #product{inset:40px 0 104px}.exploring .workspace{display:flex;flex-direction:column;border-radius:26px;min-height:545px;box-shadow:0 8px 40px #00000003}.exploring .lesson-panel{order:0;padding:28px 32px 30px}.exploring .simulator{order:1;display:none}.exploring.show-fallback .simulator{display:flex}.mode-tabs{margin-bottom:19px;background:#e8e8ed;padding:4px}.mode-tabs button{font-size:12px;min-height:38px;padding:9px 26px}.lesson-top{margin-top:9px;letter-spacing:0;color:#707079}.lesson-panel h3{font-size:28px;line-height:1.35;margin:17px 0 12px;font-weight:600}.lesson-intro{font-size:13px;color:#737379}.lesson-panel h4{font-size:21px}.progress{margin:28px 0}.progress span{height:4px}.step-number{font-size:11px;letter-spacing:.5px}.step-body{font-size:13px;color:#737379}.instruction{padding:16px 18px;background:#f5f7fa;border-radius:14px}.context{margin-top:26px;padding-top:22px}.context>span{color:#727279}.context p{color:#76767d}.scenario-label{display:block;font-size:11px;color:#707078;margin:5px 0 9px}.scenario-select{appearance:auto;width:100%;border:1px solid #dedee3;border-radius:12px;background:#fcfcfd;padding:12px 13px;min-height:46px;font:inherit;font-size:12px;color:#38383e}#pulseOptions{margin-top:18px}.simulation-note{font-size:11px;color:#787880;margin:16px 5px 0}.fallback-toggle{font-size:11px;padding:10px 5px}.physical-key:focus-visible{outline:2px solid #1689ee;outline-offset:4px}.menu-result:hover{background:#f7f9fd;border-radius:8px}.menu-results{max-height:290px}.search-label{color:#737379}footer{display:flex;max-width:1280px;margin:0 auto;padding:28px 5%;font-size:11px;color:#727278;gap:20px;border-color:#e8e8ec}footer a{color:#0066cc}.exploring footer{display:none}
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@media(max-width:1050px){.hero{grid-template-columns:48% 52%;min-height:660px}.hero h1{font-size:60px}.hero-statement{font-size:20px}.product-stage{height:630px}.topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.topics h2{font-size:30px}.topics-heading>p{display:none}.exploring main{gap:3%;padding-left:4%;padding-right:4%}.exploring .lesson-panel{padding:24px}}
@media(max-width:800px){.nav{height:64px;padding:0 5%}.brand{font-size:17px}.nav nav{gap:18px}.nav nav .return-home{display:none}.site-home img{width:96px}.hero{padding:45px 6% 35px;min-height:0}.hero h1{font-size:48px;letter-spacing:-2px}.hero-statement{font-size:17px}.intro{font-size:13px}.hero-actions{gap:18px}.product-stage{height:560px}.topics{padding:45px 6%;margin:0 16px 35px;border-radius:26px}.topics h2{font-size:29px}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-card{min-height:250px}.exploring main{grid-template-columns:1fr;gap:15px;padding:24px 5%}.exploring .learn{grid-row:1}.exploring .product-stage{grid-column:1;grid-row:2;position:relative;top:0;height:570px;min-height:0}.exploring .workspace{min-height:0}.learn-heading h2{font-size:25px}.learn-heading{margin-bottom:18px}.exploring .lesson-panel{padding:24px}.lesson-panel h3{font-size:25px}.mode-tabs{margin-bottom:15px}.keyboard-note{display:none}footer{margin:0 5%;padding:24px 0;font-size:10px}}
@media(max-width:650px){.hero{display:flex;flex-direction:column;padding-top:48px;align-items:stretch}.hero-copy{text-align:center}.hero .eyebrow{font-size:9px;margin-bottom:20px}.hero h1{font-size:55px;margin-bottom:21px}.hero-statement{font-size:19px}.intro{font-size:14px;margin-bottom:24px}.hero-actions{justify-content:center}.product-stage{height:545px;margin-top:40px}.stage-label{font-size:10px}.stage-bottom .view-presets{gap:0}.view-presets button{padding:10px 12px}.hero-note{margin-top:16px}.topics-heading{margin-bottom:27px}.topics h2{font-size:26px}.topics-heading .eyebrow{font-size:11px}.topic-grid{gap:11px}.topic-card{padding:20px 16px;min-height:250px;border-radius:19px}.topic-card strong{font-size:17px}.topic-bottom{font-size:9px}.topics-note{font-size:10px;line-height:1.8}.exploring .product-stage{margin-top:12px}.stage-bottom>span{order:0}.learn-heading .eyebrow{font-size:10px}}
@media(max-width:360px){.brand{font-size:15px}.site-home img{width:83px}.hero h1{font-size:48px}.topic-grid{grid-template-columns:1fr}.topic-card{min-height:215px}footer{flex-direction:column;gap:10px}}