:root{--n:#071c35;--b:#1467e8;--l:#baf16d;--i:#142840;--m:#66788d;--line:#dce6f1;--bg:#f5f8fc;--w:#fff;--red:#fff0f0;--green:#effaf4;--amber:#fff8e7}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,Arial,sans-serif;color:var(--i);background:var(--bg);line-height:1.58}button,input{font:inherit}.app{display:grid;grid-template-columns:290px 1fr;min-height:100vh}aside{position:sticky;top:0;height:100vh;overflow:auto;background:var(--n);color:#fff;padding:25px 19px}.brand{display:flex;gap:11px;align-items:center;margin-bottom:20px}.logo{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--l),#42d8ff);color:var(--n);font-weight:900;display:grid;place-items:center}.brand h1{font-size:18px;margin:0}.brand small{color:#b8c9dc}#search{width:100%;background:#102d4e;color:#fff;border:1px solid #31506f;border-radius:11px;padding:10px 12px}.track{font-size:10px;text-transform:uppercase;letter-spacing:.14em;color:#8ca5c0;margin:20px 8px 7px}.nav{display:block;width:100%;border:0;background:transparent;color:#dbe8f6;text-align:left;padding:9px 11px;border-radius:9px;cursor:pointer}.nav:hover{background:#173b62}.navtag{float:right;color:#8ca5c0;font-size:11px}.progress{margin-top:22px}.bar{height:8px;background:#244461;border-radius:99px;overflow:hidden}.bar i{display:block;height:100%;background:linear-gradient(90deg,#38d6ff,var(--l));width:0}.pt{display:flex;justify-content:space-between;color:#c4d5e5;font-size:12px;margin-bottom:6px}main{min-width:0}.hero{background:linear-gradient(120deg,#071c35,#11487e 65%,#1476dc);color:white;padding:58px clamp(24px,6vw,85px)}.hero h2{font-size:clamp(38px,5.2vw,68px);line-height:1.03;margin:14px 0;max-width:950px}.hero p{max-width:820px;color:#dbe9f7;font-size:18px}.tag{display:inline-block;border-radius:99px;padding:5px 10px;background:rgba(255,255,255,.13);font-size:11px;text-transform:uppercase;letter-spacing:.1em}.btn{border:0;border-radius:11px;padding:11px 16px;font-weight:700;cursor:pointer;background:var(--l);color:#0b2948;margin-top:12px}.content{padding:34px clamp(18px,5vw,70px) 70px}.stats{display:grid;grid-template-columns:repeat(6,1fr);gap:13px;margin-top:-56px;position:relative}.stat,.card,.module{background:#fff;border:1px solid var(--line);border-radius:16px}.stat{padding:16px;box-shadow:0 8px 28px rgba(10,35,65,.08)}.stat strong{font-size:24px;display:block}.stat span{font-size:12px;color:var(--m)}h3{font-size:29px;margin:38px 0 8px}.lead{color:var(--m);margin-top:0}.module{margin:13px 0;overflow:hidden}.mh{display:grid;grid-template-columns:55px 1fr auto;gap:14px;align-items:center;padding:19px;cursor:pointer}.num{width:45px;height:45px;border-radius:13px;background:#eaf3ff;color:var(--b);font-weight:800;display:grid;place-items:center}.mh h4{margin:0;font-size:19px}.mh p{margin:3px 0 0;color:var(--m);font-size:13px}.pill{font-size:11px;background:#eef2f6;border-radius:99px;padding:5px 9px}.mb{display:none;border-top:1px solid var(--line);padding:17px;background:#fbfdff}.module.open .mb{display:block}.lesson{display:grid;grid-template-columns:1fr auto;gap:10px;background:white;border:1px solid var(--line);border-radius:11px;padding:13px;margin:8px 0;cursor:pointer}.lesson:hover{border-color:#78adf6}.lesson b{display:block}.lesson small{color:var(--m)}.check{width:23px;height:23px;border:2px solid #c3d2e0;border-radius:50%;color:transparent;text-align:center}.lesson.done .check{background:#16966b;border-color:#16966b;color:white}#lesson{display:none}#lesson.active{display:block}.back{border:0;background:transparent;color:var(--b);font-weight:700;padding:0;cursor:pointer}.lh{padding:25px;margin-top:15px}.lh h3{margin:8px 0;font-size:32px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:15px}.card{padding:20px}.card h4{margin:0 0 9px}.card li{margin:7px 0}.compare{display:grid;grid-template-columns:1fr 1fr;gap:13px}pre{white-space:pre-wrap;font-family:Segoe UI,Arial,sans-serif;margin:0}.sample{padding:16px;border-radius:12px}.poor{background:var(--red);border:1px solid #efbbbb}.good{background:var(--green);border:1px solid #a8ddc0}.result{margin-top:10px;padding:12px;border-radius:10px;background:#f6f8fb}.activity{background:var(--amber)}.quiz button{display:block;width:100%;text-align:left;border:1px solid var(--line);background:#fff;border-radius:9px;padding:10px;margin:7px 0;cursor:pointer}.quiz button.sel{border-color:var(--b);background:#eaf3ff;font-weight:700}.feedback{font-weight:700;margin-top:8px}.resources a{color:var(--b)}footer{padding:35px;text-align:center;color:var(--m)}
#gsearch{width:100%;max-width:420px;border:1px solid var(--line);border-radius:11px;padding:10px 12px;margin-top:10px}
.scenarios{display:flex;gap:8px;flex-wrap:wrap}.scenbtn{border:1px solid var(--line);background:#fff;border-radius:99px;padding:8px 14px;cursor:pointer;font-weight:600}.scenbtn.sel{background:var(--n);color:#fff;border-color:var(--n)}
.rubric{width:100%;border-collapse:collapse;margin-top:10px}.rubric th,.rubric td{border:1px solid var(--line);padding:10px;text-align:left;font-size:14px;vertical-align:top}.rubric th{background:#f6f8fb}
.cert{text-align:center;padding:46px 30px;border:2px solid var(--l);position:relative}.certmark{width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,var(--l),#42d8ff);color:var(--n);font-weight:900;font-size:26px;display:grid;place-items:center;margin:0 auto 14px}.ctitle{text-transform:uppercase;letter-spacing:.16em;color:var(--m);font-size:13px}.cname{font-size:34px;font-weight:800;margin:8px 0}.cdate{color:var(--m);margin-top:16px}.cfine{color:var(--m);font-size:12px;max-width:520px;margin:14px auto 0}
@media(max-width:950px){.app{grid-template-columns:1fr}aside{position:relative;height:auto}.stats{grid-template-columns:repeat(3,1fr)}.grid,.compare{grid-template-columns:1fr}}@media(max-width:600px){.stats{grid-template-columns:repeat(2,1fr);margin-top:20px}.hero{padding:38px 20px}.content{padding:22px 14px}.mh{grid-template-columns:48px 1fr}.pill{display:none}}
@media print{aside,.back,footer,.hero,.stats,.lead,#road,.no-print{display:none!important}.content{padding:0}#catalog{display:none!important}#lesson{display:block!important}body{background:#fff}}
.module-orientation{margin:0 0 16px;padding:19px 20px;background:linear-gradient(135deg,#eef4fb,#f9fcff);border-left:4px solid var(--b);border-radius:12px}.module-orientation h4{margin:0 0 9px}.module-orientation p{margin:8px 0;line-height:1.65}.module-orientation strong{color:var(--b)}.chapter-visual{margin-top:15px;background:linear-gradient(135deg,#071c35,#12487d);color:#fff;border-radius:16px;padding:22px}.chapter-visual h4{color:#fff;margin:0 0 14px}.vflow,.vgrid{display:flex;gap:8px;align-items:center;justify-content:center;flex-wrap:wrap}.vgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr))}.vnode{padding:11px 13px;border-radius:11px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.28);text-align:center;font-weight:700}.varrow{color:#a8d7ff;font-size:20px;font-weight:900}.assess-progress{height:7px;background:#e5edf5;border-radius:99px;overflow:hidden;margin:10px 0 16px}.assess-progress i{display:block;height:100%;background:linear-gradient(90deg,var(--b),#32bfa0)}.assess-card{border:1px solid var(--line);border-radius:13px;padding:17px}.assess-count{font-size:12px;color:var(--m);font-weight:700}.stimulus{padding:12px;background:#fff0f0;border-left:4px solid #d55;border-radius:8px;white-space:pre-wrap}.answer-input,.short-input,.match-select{width:100%;border:1px solid var(--line);border-radius:9px;padding:10px;margin:8px 0;font:inherit}.short-input{min-height:90px}.nextq{display:none}.nextq.show{display:inline-block}.alphabet-heading{background:var(--n);color:#fff;padding:6px 11px;border-radius:8px;margin-top:16px;font-weight:800}.match-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;align-items:center}.qfeedback{font-weight:700;margin-top:9px}@media(max-width:700px){.vflow{flex-direction:column}.varrow{transform:rotate(90deg)}.match-row{grid-template-columns:1fr}}

.visual-explanation{margin-top:20px;padding-top:18px;border-top:1px solid rgba(255,255,255,.24)}
.visual-explanation h5{margin:0 0 12px;color:#fff;font-size:16px}
.visual-note{display:grid;grid-template-columns:30px 1fr;gap:10px;align-items:start;margin:10px 0}
.visual-number{width:27px;height:27px;border-radius:50%;display:grid;place-items:center;background:var(--l);color:#0b2948;font-weight:800}
.visual-note p{margin:1px 0;color:#e5eff9;line-height:1.55}
.visual-note strong{display:block;color:#fff;margin-bottom:2px}
.visual-reminder{margin:15px 0 0;padding:12px 14px;background:rgba(255,255,255,.09);border-radius:10px;color:#dceafa;line-height:1.55}
.visual-reminder strong{color:var(--l)}
.whybox{margin:15px 0;padding:20px;background:linear-gradient(135deg,#eef4fb,#fbfdff);border-left:4px solid var(--b);border-radius:12px}.whybox h4{margin:0 0 7px}.concept-statement{font-size:19px;line-height:1.55;font-weight:650;color:var(--n)}.prose{font-size:16px;line-height:1.75}.prose p{margin:0 0 15px}.misconception{background:#fff8e7}.workplace{background:#f1f8ff;border-left:4px solid #42a5f5}