.pua-root{--pua-navy:#12324b;--pua-navy-2:#1c4564;--pua-text:#243748;--pua-soft:#f4f9fd;--pua-soft-2:#eaf3f9;--pua-white:#fff;--pua-line:#d7e6f0;--pua-blue:#2d78b8;--pua-green:#2f8f68;--pua-amber:#bc7b13;--pua-danger:#b94747;--pua-radius:24px;--pua-shadow:0 20px 50px rgba(18,50,75,.10);display:block;width:100%;max-width:100%;margin:0;background:linear-gradient(180deg,#f8fcff 0%,#f2f8fc 100%);color:var(--pua-text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.68} .pua-root *{box-sizing:border-box} .pua-shell{width:min(1380px,100%);margin:0 auto;padding:34px 22px 70px} .pua-article{display:flex;flex-direction:column;gap:28px} .pua-hero{position:relative;overflow:hidden;padding:40px;border:1px solid var(--pua-line);border-radius:32px;background:radial-gradient(circle at top right,rgba(45,120,184,.16),transparent 34%),linear-gradient(135deg,#ffffff 0%,#edf6fb 100%);box-shadow:var(--pua-shadow)} .pua-hero:before{content:"";position:absolute;left:-80px;bottom:-110px;width:260px;height:260px;border-radius:50%;background:rgba(47,143,104,.10)} .pua-hero-topline{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px} .pua-series-pill,.pua-part-pill{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 16px;border-radius:999px;font-weight:800;font-size:.92rem;letter-spacing:.01em} .pua-series-pill{background:var(--pua-navy);color:#fff} .pua-part-pill{background:#fff;border:1px solid var(--pua-line);color:var(--pua-blue)} .pua-main-title{position:relative;z-index:1;display:block;width:100%;max-width:1080px!important;margin:0 0 16px!important;color:var(--pua-navy)!important;font-size:clamp(2rem,4.3vw,4.2rem)!important;line-height:1.08!important;letter-spacing:-.04em!important;font-weight:900!important} .pua-hero p{position:relative;z-index:1;display:block;width:100%;max-width:1020px;margin:0 0 14px;font-size:1.08rem;color:var(--pua-text)} .pua-hero-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px;margin-top:24px} .pua-hero-link{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 20px;border-radius:999px;background:var(--pua-blue);color:#fff!important;text-decoration:none!important;font-weight:900;transition:transform .18s ease,box-shadow .18s ease} .pua-hero-link:hover,.pua-hero-link:focus{transform:translateY(-2px);box-shadow:0 14px 28px rgba(45,120,184,.24)} .pua-hero-link-soft{background:#fff;color:var(--pua-navy)!important;border:1px solid var(--pua-line)} .pua-summary-grid,.pua-text-grid,.pua-role-grid,.pua-hazard-grid,.pua-equipment-layout,.pua-dual-card,.pua-quiz-grid{display:grid;gap:20px} .pua-summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))} .pua-summary-card,.pua-progress-panel,.pua-copy-card,.pua-callout,.pua-appliance-card,.pua-role-card,.pua-hazard-card,.pua-equipment-list-card,.pua-drill-panel,.pua-scenario-panel,.pua-quiz-panel,.pua-close-panel,.pua-quiz-card,.pua-mistake-card,.pua-best-card{border:1px solid var(--pua-line);background:var(--pua-white);border-radius:var(--pua-radius);box-shadow:0 18px 40px rgba(18,50,75,.07)} .pua-summary-card{padding:28px} .pua-summary-card-accent{background:linear-gradient(135deg,#ffffff 0%,#edf8f1 100%)} .pua-card-kicker{display:inline-flex;margin-bottom:10px;color:var(--pua-blue);font-size:.82rem;font-weight:900;text-transform:uppercase;letter-spacing:.1em} .pua-summary-card h3,.pua-copy-card h3,.pua-equipment-list-card h3,.pua-mistake-card h3,.pua-best-card h3,.pua-next-card h3,.pua-quiz-card h3{margin:0 0 12px;color:var(--pua-navy);font-size:1.35rem;line-height:1.25} .pua-summary-card p,.pua-summary-card li,.pua-copy-card p,.pua-callout p,.pua-appliance-card p,.pua-role-card p,.pua-hazard-card p,.pua-equipment-list-card li,.pua-mistake-card p,.pua-best-card p,.pua-close-copy p,.pua-next-card p,.pua-scenario-card p,.pua-drill-list li{font-size:1rem} .pua-summary-card ul,.pua-equipment-list-card ul{margin:0;padding-left:22px} .pua-summary-card li,.pua-equipment-list-card li{margin:8px 0} .pua-mini-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px} .pua-mini-tags span{display:inline-flex;padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--pua-line);font-weight:800;color:var(--pua-navy);font-size:.92rem} .pua-progress-panel{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);gap:24px;padding:28px;background:linear-gradient(135deg,#ffffff 0%,#eef7fb 100%)} .pua-progress-copy h3{margin:0 0 10px;color:var(--pua-navy);font-size:1.55rem} .pua-progress-copy p{margin:0} .pua-progress-wrap{display:flex;flex-direction:column;justify-content:center;gap:14px} .pua-progress-meta{display:flex;justify-content:space-between;gap:12px;color:var(--pua-navy);font-weight:900} .pua-progress-track{width:100%;height:18px;border-radius:999px;background:#dcebf4;overflow:hidden} .pua-progress-fill{width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--pua-blue),var(--pua-green));transition:width .25s ease} .pua-content-section{padding:32px;border:1px solid var(--pua-line);border-radius:32px;background:rgba(255,255,255,.94);box-shadow:var(--pua-shadow)} .pua-section-head{display:flex!important;align-items:flex-start!important;gap:18px!important;width:100%!important;max-width:100%!important;margin-bottom:22px!important} .pua-section-head>div{display:block!important;flex:1 1 auto!important;width:100%!important;min-width:0!important;max-width:none!important} .pua-section-head h2,.pua-section-head .pua-section-intro{display:block!important;width:100%!important;max-width:100%!important;white-space:normal!important} .pua-section-head h2{margin:0 0 10px!important;color:var(--pua-navy)!important;font-size:clamp(1.65rem,2.8vw,2.45rem)!important;line-height:1.15!important;font-weight:900!important;letter-spacing:-.025em!important} .pua-section-intro{margin:0!important;color:var(--pua-text)!important;font-size:1.06rem!important} .pua-section-number{display:flex;flex:0 0 70px;align-items:center;justify-content:center;width:70px;height:70px;border-radius:22px;background:linear-gradient(145deg,var(--pua-navy),var(--pua-blue));color:#fff;font-size:1.2rem;font-weight:900;letter-spacing:.04em} .pua-section-number-soft{background:linear-gradient(145deg,var(--pua-green),var(--pua-blue))} .pua-text-grid{grid-template-columns:minmax(0,1.28fr) minmax(280px,.72fr)} .pua-copy-card{padding:24px} .pua-copy-card p{margin:0 0 14px} .pua-copy-card p:last-child{margin-bottom:0} .pua-callout{padding:24px;display:flex;flex-direction:column;justify-content:center} .pua-callout-label{display:inline-flex;margin-bottom:10px;color:var(--pua-navy);font-weight:900;text-transform:uppercase;letter-spacing:.08em;font-size:.82rem} .pua-callout p{margin:0;color:var(--pua-text)} .pua-callout-blue{background:linear-gradient(135deg,#fff 0%,#eef7fd 100%)} .pua-callout-amber{background:linear-gradient(135deg,#fff 0%,#fff7ea 100%)} .pua-callout-green{background:linear-gradient(135deg,#fff 0%,#edf8f1 100%)} .pua-inline-controls{display:flex;justify-content:flex-end;margin-top:22px} .pua-refresh-btn{appearance:none;border:0;min-height:50px;padding:0 18px;border-radius:999px;background:var(--pua-navy);color:#fff;font-weight:900;font-size:.98rem;cursor:pointer;transition:transform .18s ease,background .18s ease,box-shadow .18s ease} .pua-refresh-btn:hover,.pua-refresh-btn:focus{transform:translateY(-2px);box-shadow:0 14px 26px rgba(18,50,75,.22)} .pua-refresh-btn.is-complete{background:var(--pua-green)} .pua-appliance-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px} .pua-appliance-card{padding:22px;background:linear-gradient(180deg,#fff 0%,#f7fbfe 100%)} .pua-appliance-card h3,.pua-role-card h3,.pua-hazard-card h3{margin:0 0 10px;color:var(--pua-navy);font-size:1.16rem;line-height:1.3} .pua-appliance-card p,.pua-role-card p,.pua-hazard-card p{margin:0} .pua-top-gap{margin-top:20px} .pua-role-grid{grid-template-columns:repeat(4,minmax(0,1fr))} .pua-role-card{padding:22px} .pua-role-card span{display:inline-flex;width:42px;height:42px;align-items:center;justify-content:center;margin-bottom:14px;border-radius:14px;background:var(--pua-soft-2);color:var(--pua-blue);font-weight:900} .pua-dual-card{grid-template-columns:repeat(2,minmax(0,1fr))} .pua-mistake-card,.pua-best-card{padding:24px} .pua-mistake-card{background:linear-gradient(135deg,#fff 0%,#fff4f4 100%)} .pua-best-card{background:linear-gradient(135deg,#fff 0%,#eef9f3 100%)} .pua-hazard-grid{grid-template-columns:repeat(4,minmax(0,1fr))} .pua-hazard-card{padding:22px;background:linear-gradient(180deg,#fff 0%,#f7fbfe 100%)} .pua-equipment-layout{grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr)} .pua-equipment-list-card{padding:24px;background:linear-gradient(135deg,#fff 0%,#fff8ee 100%)} .pua-cycle-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px} .pua-cycle-card{display:flex;align-items:flex-start;gap:14px;min-height:96px;padding:18px;border:1px solid var(--pua-line);border-radius:20px;background:linear-gradient(180deg,#fff 0%,#f7fbfe 100%)} .pua-cycle-card strong{display:flex;flex:0 0 42px;align-items:center;justify-content:center;width:42px;height:42px;border-radius:14px;background:var(--pua-navy);color:#fff;font-size:1.16rem} .pua-cycle-card span{font-weight:700;color:var(--pua-text)} .pua-drill-panel,.pua-scenario-panel,.pua-quiz-panel{padding:32px} .pua-drill-panel{background:linear-gradient(135deg,#fff 0%,#f1f8fd 100%)} .pua-drill-list{margin:0;padding-left:26px} .pua-drill-list li{margin:12px 0} .pua-scenario-panel{background:linear-gradient(135deg,#fff 0%,#fff8ed 100%)} .pua-scenario-card{padding:24px;border:1px solid var(--pua-line);border-radius:22px;background:#fff} .pua-scenario-card p{margin:0 0 18px} .pua-choice-grid{display:grid;gap:12px} .pua-choice-btn{appearance:none;width:100%;padding:16px 18px;border:1px solid var(--pua-line);border-radius:18px;background:#fff;color:var(--pua-text);font:inherit;font-weight:800;text-align:left;cursor:pointer;transition:border-color .18s ease,transform .18s ease,background .18s ease} .pua-choice-btn:hover,.pua-choice-btn:focus{transform:translateY(-1px);border-color:var(--pua-blue);background:#f5fbff} .pua-choice-btn.is-correct{border-color:rgba(47,143,104,.55);background:#edf8f1;color:#16523a} .pua-choice-btn.is-wrong{border-color:rgba(185,71,71,.45);background:#fff1f1;color:#7d2828} .pua-feedback{min-height:0;margin-top:14px;padding:0;border-radius:16px;font-weight:900} .pua-feedback.is-shown{padding:14px 16px;border:1px solid var(--pua-line);background:#f5fbff;color:var(--pua-navy)} .pua-feedback.is-correct{background:#edf8f1;color:#16523a;border-color:rgba(47,143,104,.35)} .pua-feedback.is-wrong{background:#fff1f1;color:#7d2828;border-color:rgba(185,71,71,.35)} .pua-quiz-panel{background:linear-gradient(135deg,#fff 0%,#eef8f3 100%)} .pua-quiz-grid{grid-template-columns:repeat(2,minmax(0,1fr))} .pua-quiz-card{padding:24px;background:#fff} .pua-close-panel{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:20px;padding:32px;background:linear-gradient(135deg,#fff 0%,#edf6fb 100%)} .pua-close-copy h2{margin:0 0 12px;color:var(--pua-navy);font-size:clamp(1.7rem,3vw,2.6rem);line-height:1.16} .pua-close-copy p{margin:0} .pua-next-card{padding:24px;border:1px solid var(--pua-line);border-radius:22px;background:#fff} @media(max-width:1180px){ .pua-appliance-grid{grid-template-columns:repeat(2,minmax(0,1fr))} .pua-role-grid,.pua-hazard-grid{grid-template-columns:repeat(2,minmax(0,1fr))} .pua-cycle-grid{grid-template-columns:repeat(2,minmax(0,1fr))} } @media(max-width:980px){ .pua-section-head{flex-direction:column!important;align-items:stretch!important;gap:16px!important} .pua-section-head>div{flex:1 1 100%!important;width:100%!important;min-width:100%!important;max-width:100%!important} .pua-summary-grid,.pua-progress-panel,.pua-text-grid,.pua-equipment-layout,.pua-dual-card,.pua-quiz-grid,.pua-close-panel{grid-template-columns:1fr} .pua-inline-controls{justify-content:flex-start} } @media(max-width:720px){ .pua-shell{padding:18px 14px 48px} .pua-hero,.pua-content-section,.pua-drill-panel,.pua-scenario-panel,.pua-quiz-panel,.pua-close-panel{padding:22px} .pua-summary-card,.pua-copy-card,.pua-callout,.pua-equipment-list-card,.pua-quiz-card,.pua-mistake-card,.pua-best-card,.pua-scenario-card,.pua-next-card{padding:20px} .pua-appliance-grid,.pua-role-grid,.pua-hazard-grid,.pua-cycle-grid{grid-template-columns:1fr} .pua-section-number{width:62px;height:62px;flex-basis:62px} .pua-hero-actions{flex-direction:column} .pua-hero-link{width:100%} .pua-progress-meta{flex-direction:column;align-items:flex-start} }