:root{--navy: #163c73;--navy-deep: #102c54;--pink: #f6a7cc;--pink-soft: #fde8f2;--cream: #afafe1;--mustard: #fddb93;--charcoal: #3f3f3f;--soft: #f8f7fb;--border: #e8e3f1;--white: #ffffff;--success: #18885a;--danger: #c34242}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:linear-gradient(180deg,#f8f7fb,#fff 22%,#fff7fb);color:var(--charcoal)}button,input,video{font:inherit}button{cursor:pointer}img,video{max-width:100%;display:block}.app-shell{width:min(1280px,calc(100% - 24px));margin:0 auto;padding:18px 0 32px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 18px;border:1px solid var(--border);border-radius:26px;background:#ffffffe0;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 16px 40px #163c7312}.topbar-left{display:flex;align-items:center;gap:14px;min-width:0}.topbar-logo{width:64px;height:64px;object-fit:contain;border-radius:18px;background:#fff;padding:8px;border:1px solid var(--border)}.topbar-kicker{margin:0 0 4px;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--navy);font-weight:700}.topbar-title{margin:0;font-size:1.05rem;line-height:1.3;color:var(--navy)}.progress-chip{flex-shrink:0;background:linear-gradient(135deg,#163c7314,#f6a7cc1f);border:1px solid var(--border);color:var(--navy);font-weight:700;font-size:.9rem;border-radius:999px;padding:12px 16px}.lesson-nav{display:flex;gap:10px;overflow-x:auto;padding:14px 2px 8px;scrollbar-width:none}.lesson-nav::-webkit-scrollbar{display:none}.lesson-tab{display:inline-flex;align-items:center;gap:9px;white-space:nowrap;border:1px solid var(--border);background:#fff;color:var(--charcoal);padding:12px 16px;border-radius:16px;min-height:46px;font-weight:600}.lesson-tab-active{background:linear-gradient(135deg,var(--navy),#27589e);color:#fff;border-color:transparent;box-shadow:0 12px 28px #163c7333}.main-stage{margin-top:8px}.page-stack{display:grid;gap:18px}.card{background:#fffffff0;border:1px solid var(--border);border-radius:30px;padding:22px;box-shadow:0 18px 48px #163c7312}.hero-grid,.lesson-grid,.hazard-grid,.check-grid{display:grid;gap:18px}.hero-grid{grid-template-columns:1.08fr .92fr;align-items:stretch}.lesson-grid{grid-template-columns:1fr 1fr;align-items:start}.hazard-grid{grid-template-columns:1.15fr .85fr}.check-grid{grid-template-columns:330px 1fr;align-items:start}.brand-pill{display:inline-flex;align-items:center;justify-content:center;min-height:34px;border-radius:999px;padding:8px 14px;border:1px solid var(--border);background:#fff;color:var(--navy);font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase}.brand-pill-active{background:linear-gradient(135deg,#163c731a,#f6a7cc26)}.hero-copy h1,.lesson-header h2,.carousel-top h3,.compare-head h3,.hazard-detail-card h3,.scenario-head h3,.tab-panel h3,.score-card h2,.card h3{color:var(--navy);margin:10px 0 0;line-height:1.15}.hero-copy h1{font-size:clamp(2rem,4vw,3.35rem);max-width:14ch}.lesson-header h2{font-size:clamp(1.5rem,3vw,2.35rem)}.hero-copy .lead-copy,.lesson-header p,.scenario-head p,.compare-head p,.video-caption,.tab-panel p,.score-card p,.card p{color:#3f3f3fe0;line-height:1.75}.hero-copy{display:grid;gap:18px}.outcome-box{background:linear-gradient(180deg,#afafe11f,#fffc);border:1px solid var(--border);border-radius:24px;padding:18px}.outcome-box h3{margin:0 0 12px;color:var(--navy)}.outcome-box ul{margin:0;padding:0;list-style:none;display:grid;gap:11px}.outcome-box li{display:flex;gap:10px;align-items:flex-start}.outcome-box svg{color:var(--navy);flex-shrink:0;margin-top:4px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.hero-media-wrap{display:grid;gap:14px;align-content:start}.hero-brand-row{display:flex;justify-content:flex-end}.brand-logo{width:110px;height:110px;object-fit:contain;border-radius:28px;background:#fff;border:1px solid var(--border);padding:14px;box-shadow:0 16px 40px #163c731a}.hero-video-wrap{position:relative;overflow:hidden;border-radius:30px;min-height:520px;border:1px solid rgba(255,255,255,.35);background:linear-gradient(145deg,var(--navy),#2f67b6)}.hero-video{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;opacity:.82}.hero-video-wrap:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,#0a142829,#0a1428a8)}.hero-overlay-card{position:absolute;left:18px;right:18px;bottom:18px;z-index:1;background:#ffffff21;border:1px solid rgba(255,255,255,.18);color:#fff;border-radius:22px;padding:18px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.small-label{margin:0 0 6px;font-size:.78rem;text-transform:uppercase;letter-spacing:.16em;font-weight:700;color:#ffffffe6}.primary-btn,.secondary-btn,.icon-btn,.answer-option,.scenario-option,.brand-tab{transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,border-color .16s ease}.primary-btn:hover,.secondary-btn:hover,.icon-btn:hover,.answer-option:hover,.scenario-option:hover,.brand-tab:hover{transform:translateY(-1px)}.primary-btn,.secondary-btn{min-height:48px;border-radius:999px;border:1px solid transparent;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;gap:10px;font-weight:700}.primary-btn{background:var(--navy);color:#fff;box-shadow:0 14px 32px #163c732e}.secondary-btn{background:#fff;color:var(--charcoal);border-color:var(--border)}.primary-btn:disabled,.secondary-btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.lesson-header{display:grid;gap:10px}.points-list{display:grid;gap:12px;margin-top:18px}.point-row{display:flex;align-items:flex-start;gap:12px;background:#f8f7fbe6;border:1px solid var(--border);border-radius:18px;padding:14px 15px}.point-row svg{color:var(--navy);flex-shrink:0;margin-top:3px}.compact-list{margin-top:12px}.media-stack{display:grid;gap:14px}.top-gap{margin-top:10px}.dual-images,.compare-two{display:grid;grid-template-columns:1fr 1fr;gap:14px}.dual-images img,.compare-two img,.detail-image,.completion-image{border-radius:22px;border:1px solid var(--border)}.media-image{width:100%;height:100%;object-fit:cover;display:block;border-radius:24px;min-height:220px;background:linear-gradient(135deg,#eef1f8,#fff)}.video-frame{overflow:hidden;border-radius:24px;border:1px solid var(--border);background:#f3f2f8}.video-el{width:100%;aspect-ratio:16 / 9;object-fit:cover;background:#0d1727}.video-caption{padding:12px 14px 14px;font-size:.95rem;color:var(--charcoal);background:#ffffffeb}.mini-title{display:flex;align-items:center;gap:8px;color:var(--navy);font-weight:700;margin:0 0 10px}.mini-title svg:first-child{color:var(--navy)}.scenario-card{display:grid;gap:14px}.scenario-head{display:grid;gap:8px}.scenario-options{display:grid;gap:12px}.scenario-option{width:100%;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px;border-radius:20px;border:1px solid var(--border);background:#fff;padding:15px 16px;color:var(--charcoal);font-weight:600}.scenario-option-active{border-color:var(--navy);background:#163c7308}.scenario-feedback{border-radius:22px;padding:16px 18px;border:1px solid transparent}.scenario-feedback.is-correct{background:#18885a14;border-color:#18885a2e}.scenario-feedback.is-incorrect{background:#c3424212;border-color:#c342422e}.feedback-badge{display:inline-flex;min-height:30px;align-items:center;border-radius:999px;padding:6px 12px;background:#fff;color:var(--navy);font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;font-weight:700;margin-bottom:10px}.ppe-card{display:grid;gap:16px}.carousel-top{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.carousel-controls{display:flex;gap:10px}.icon-btn{width:44px;height:44px;border-radius:999px;border:1px solid var(--border);background:#fff;color:var(--navy)}.ppe-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:16px;align-items:center}.ppe-stage{border-radius:28px;border:1px solid var(--border);background:linear-gradient(145deg,#afafe12e,#fff 55%,#fddb932e);min-height:420px;display:grid;place-items:center;padding:20px}.ppe-image{max-height:340px;width:auto;object-fit:contain}.ppe-copy{display:grid;gap:12px}.count-text{color:var(--navy);font-weight:800;font-size:.85rem;letter-spacing:.14em;text-transform:uppercase}.ppe-copy h4{margin:0;color:var(--navy);font-size:1.5rem}.carousel-dots{display:flex;gap:10px;flex-wrap:wrap;padding-top:8px}.dot{width:12px;height:12px;border-radius:999px;border:0;background:#163c732e}.dot-active{background:var(--pink);box-shadow:0 0 0 3px #f6a7cc38}.hazard-stage{position:relative;overflow:hidden;border-radius:26px;min-height:440px;border:1px solid var(--border)}.hazard-scene{min-height:440px}.hazard-pin{position:absolute;transform:translate(-50%,-50%);width:48px;height:48px;border-radius:999px;border:3px solid rgba(255,255,255,.96);background:linear-gradient(135deg,#1b4b91,#163c73);color:#fff;display:grid;place-items:center;box-shadow:0 14px 32px #163c7340,0 0 0 8px rgba(255,255,255,.18);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease}.hazard-pin:hover{transform:translate(-50%,-50%) scale(1.08);box-shadow:0 16px 36px #163c7350,0 0 0 10px rgba(255,255,255,.22)}.hazard-pin:after{content:"";position:absolute;inset:-9px;border-radius:999px;border:2px solid rgba(22,60,115,.18);animation:hazardPulse 2.2s ease-out infinite}.hazard-pin-active{background:linear-gradient(135deg,#f6a7cc,#ffd2e6);color:var(--navy);box-shadow:0 16px 36px rgba(246,167,204,.38),0 0 0 10px rgba(255,255,255,.24)}.hazard-pin-active:after{border-color:rgba(246,167,204,.42)}@keyframes hazardPulse{0%{transform:scale(.92);opacity:.95}70%{transform:scale(1.12);opacity:0}100%{transform:scale(1.12);opacity:0}}.hazard-detail-card{display:grid;align-content:start;gap:12px;position:sticky;top:16px}.detail-image{min-height:280px;object-fit:cover;box-shadow:0 16px 36px rgba(22,60,115,.12)}.tabs-row{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}.tabs-row::-webkit-scrollbar{display:none}.brand-tab{border:1px solid var(--border);background:#fff;color:var(--navy);font-weight:700;border-radius:16px;padding:12px 16px;white-space:nowrap}.brand-tab-active{background:linear-gradient(135deg,var(--navy),#25569d);color:#fff;border-color:transparent}.tab-panel{margin-top:16px;border-radius:22px;background:linear-gradient(180deg,#f6a7cc1f,#ffffffd1);border:1px solid var(--border);padding:18px}.compare-head{display:grid;gap:8px;margin-bottom:14px}.compare-box{position:relative;overflow:hidden;border-radius:28px;aspect-ratio:16 / 10;border:1px solid var(--border);background:#eff1f9}.compare-full{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover;min-height:100%;border-radius:0;border:0}.compare-overlay{position:absolute;inset:0 auto 0 0;overflow:hidden;height:100%}.compare-line{position:absolute;top:0;bottom:0;width:2px;background:#fff;transform:translate(-50%)}.compare-knob{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:52px;height:52px;border-radius:999px;background:#fff;color:var(--navy);display:grid;place-items:center;box-shadow:0 14px 36px #163c732e}.compare-knob svg:last-child{margin-left:-6px}.compare-label{position:absolute;top:16px;min-height:34px;border-radius:999px;padding:8px 12px;display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.86rem;color:#fff;background:#0a142870;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.compare-label-left{left:16px}.compare-label-right{right:16px}.range-slider{width:100%;margin-top:14px;accent-color:var(--navy)}.score-card{position:sticky;top:16px;display:grid;gap:12px}.completion-image{min-height:260px;object-fit:cover}.check-questions{display:grid;gap:16px}.question-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}.question-number{width:36px;height:36px;border-radius:999px;display:grid;place-items:center;background:#163c7314;color:var(--navy);font-weight:800}.answer-list{display:grid;gap:12px}.answer-option{width:100%;text-align:left;display:flex;align-items:center;gap:12px;border-radius:18px;border:1px solid var(--border);background:#fff;padding:14px 16px;color:var(--charcoal)}.answer-option-active{border-color:var(--navy);background:#163c7308}.answer-dot{width:16px;height:16px;flex-shrink:0;border-radius:999px;border:2px solid rgba(22,60,115,.38);background:#fff}.answer-option-active .answer-dot{background:var(--navy);border-color:var(--navy)}.bottom-nav{position:sticky;bottom:12px;z-index:5;margin-top:22px;display:flex;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--border);border-radius:24px;padding:12px;background:#ffffffe6;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 16px 40px #163c7314}.page-indicator{color:var(--navy);font-weight:800;min-width:56px;text-align:center}@media (max-width: 980px){.hero-grid,.lesson-grid,.hazard-grid,.check-grid,.ppe-grid{grid-template-columns:1fr}.hero-video-wrap{min-height:340px}.hazard-stage,.hazard-scene{min-height:320px}.score-card,.hazard-detail-card{position:static}}@media (max-width: 720px){.app-shell{width:min(100% - 16px,100%);padding-top:10px}.topbar{align-items:flex-start;flex-direction:column;border-radius:22px;padding:14px}.topbar-left{width:100%}.topbar-logo{width:52px;height:52px;border-radius:14px}.topbar-title{font-size:.98rem}.progress-chip{padding:10px 14px;font-size:.82rem}.card{padding:16px;border-radius:24px}.hero-copy h1{max-width:none}.hero-video-wrap{min-height:260px;border-radius:24px}.brand-logo{width:78px;height:78px;border-radius:20px}.compare-two,.dual-images{grid-template-columns:1fr}.hazard-stage,.hazard-scene{min-height:250px}.hazard-pin{width:46px;height:46px}.ppe-stage{min-height:280px}.ppe-image{max-height:220px}.compare-box{aspect-ratio:4 / 5}.bottom-nav{border-radius:20px;padding:10px}.page-indicator{font-size:.9rem}}