:root{--apd-navy:#11263d;--apd-navy-2:#173955;--apd-ink:#1f2933;--apd-muted:#65717d;--apd-bg:#f4f7f9;--apd-white:#fff;--apd-success:#177245;--apd-danger:#b42318}.apd-challenge,.apd-catalog,.apd-lock{box-sizing:border-box;color:var(--apd-ink);font-family:Inter,"Segoe UI",Arial,sans-serif}.apd-challenge *,.apd-catalog *,.apd-lock *{box-sizing:border-box}.apd-challenge{max-width:1040px;margin:30px auto;background:var(--apd-white);border-radius:24px;box-shadow:0 18px 55px rgba(17,38,61,.12);overflow:hidden}.apd-challenge-hero{display:grid;grid-template-columns:1.1fr .9fr;min-height:340px;background:var(--apd-navy);color:#fff}.apd-hero-copy{padding:50px;display:flex;flex-direction:column;justify-content:center}.apd-eyebrow{display:inline-block;color:var(--apd-accent,#f5a623);font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:12px;margin-bottom:10px}.apd-challenge-hero h1,.apd-catalog-heading h1{font-size:clamp(30px,5vw,50px);line-height:1.04;margin:0 0 16px;color:inherit}.apd-challenge-hero p{font-size:17px;line-height:1.55;color:#dbe6ee;margin:0 0 20px}.apd-meta{display:flex;gap:10px;flex-wrap:wrap}.apd-meta span{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);padding:7px 11px;border-radius:99px;font-size:13px;font-weight:700}.apd-hero-image{width:100%;height:100%;min-height:340px;object-fit:cover}.apd-hero-placeholder{display:grid;place-items:center;font-size:110px;color:var(--apd-accent,#f5a623);background:linear-gradient(145deg,var(--apd-navy-2),#0a1928)}.apd-registration,.apd-quiz,.apd-final{padding:44px 50px}.apd-section-heading{max-width:680px;margin-bottom:28px}.apd-section-heading>span{font-weight:800;color:var(--apd-accent,#f5a623);text-transform:uppercase;font-size:12px;letter-spacing:.08em}.apd-section-heading h2,.apd-question-copy h2,.apd-final h2{color:var(--apd-navy);font-size:clamp(25px,4vw,36px);line-height:1.18;margin:8px 0 10px}.apd-section-heading p{color:var(--apd-muted);margin:0}.apd-form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.apd-registration-form label{display:flex;flex-direction:column;gap:7px;font-weight:700;font-size:14px;color:var(--apd-navy)}.apd-registration-form input[type=text],.apd-registration-form input[type=email]{width:100%;min-height:48px;border:1px solid #c9d1d8;border-radius:10px;padding:10px 13px;font:inherit;color:var(--apd-ink);background:#fff}.apd-registration-form input:focus{outline:3px solid color-mix(in srgb,var(--apd-accent,#f5a623) 25%,transparent);border-color:var(--apd-accent,#f5a623)}.apd-consent{display:grid!important;grid-template-columns:auto 1fr;align-items:start;margin:20px 0;font-weight:500!important;line-height:1.5}.apd-consent input{margin-top:4px}.apd-consent a{color:var(--apd-navy);text-decoration:underline}.apd-honeypot{position:absolute!important;left:-9999px!important;height:1px!important;width:1px!important;overflow:hidden!important}.apd-form-error{color:var(--apd-danger);font-weight:700;background:#fff0ef;border-left:4px solid var(--apd-danger);padding:10px 12px}.apd-button{appearance:none;border:0;border-radius:10px;background:var(--apd-accent,#f5a623);color:#182330!important;padding:13px 20px;font-weight:800;font-size:15px;line-height:1.2;text-decoration:none!important;cursor:pointer;display:inline-flex;justify-content:center;align-items:center;transition:transform .15s ease,filter .15s ease}.apd-button:hover{filter:brightness(.96);transform:translateY(-1px)}.apd-button-secondary{background:transparent;border:2px solid var(--apd-navy);color:var(--apd-navy)!important}.apd-scorebar{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:12px}.apd-scorebar>div{background:var(--apd-bg);padding:12px 15px;border-radius:10px}.apd-scorebar span{display:block;color:var(--apd-muted);font-size:12px;text-transform:uppercase;font-weight:800;letter-spacing:.04em}.apd-scorebar strong{font-size:20px;color:var(--apd-navy)}.apd-progress-track{height:8px;background:#e1e7eb;border-radius:99px;overflow:hidden;margin-bottom:28px}.apd-progress-track span{display:block;height:100%;width:0;background:var(--apd-accent,#f5a623);transition:width .3s ease}.apd-question-stage{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:30px;align-items:start}.apd-question-stage:not(.has-image){grid-template-columns:1fr}.apd-question-image{width:100%;max-height:450px;object-fit:cover;border-radius:16px}.apd-question-context{color:var(--apd-muted);font-size:16px;line-height:1.6}.apd-options{display:grid;gap:10px;margin:22px 0}.apd-option{display:grid;grid-template-columns:38px 1fr;gap:12px;align-items:center;text-align:left;width:100%;border:2px solid #dce3e8;border-radius:12px;background:#fff;padding:12px 14px;color:var(--apd-ink);cursor:pointer}.apd-option span{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:var(--apd-bg);color:var(--apd-navy);font-weight:900}.apd-option strong{font-size:15px;line-height:1.4}.apd-option:not(:disabled):hover{border-color:var(--apd-accent,#f5a623);background:#fffaf1}.apd-option.is-correct{border-color:var(--apd-success);background:#eefaf4}.apd-option.is-incorrect{border-color:var(--apd-danger);background:#fff0ef}.apd-feedback{border-radius:14px;padding:20px;margin-top:18px}.apd-feedback.is-correct{background:#eefaf4;border-left:5px solid var(--apd-success)}.apd-feedback.is-incorrect{background:#fff4ed;border-left:5px solid var(--apd-danger)}.apd-feedback h3{margin:0 0 7px;color:var(--apd-navy)}.apd-feedback p{line-height:1.55}.apd-feedback small{display:block;color:var(--apd-muted);margin:12px 0}.apd-learning{background:rgba(255,255,255,.7);border-radius:9px;padding:12px 14px;margin:13px 0}.apd-learning p{margin:5px 0 0}.apd-final{text-align:center;background:linear-gradient(180deg,#fff,#f5f8fa)}.apd-final-icon{font-size:64px}.apd-final-score{margin:22px auto;display:flex;flex-direction:column}.apd-final-score strong{font-size:70px;line-height:1;color:var(--apd-navy)}.apd-final-score span{color:var(--apd-muted);margin-top:8px}.apd-save-status{min-height:24px;font-weight:700}.apd-save-status.is-saved{color:var(--apd-success)}.apd-save-status.is-error{color:var(--apd-danger)}.apd-final-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}.apd-lock{max-width:780px;margin:35px auto;padding:45px;text-align:center;background:#fff;border-radius:20px;border:1px solid #e1e5e9;box-shadow:0 15px 45px rgba(17,38,61,.1)}.apd-lock-icon{font-size:52px}.apd-lock h2{color:var(--apd-navy);font-size:30px}.apd-lock p{color:var(--apd-muted);line-height:1.6}.apd-lock-admin{border-left:5px solid #dba617;text-align:left}.apd-catalog{max-width:1180px;margin:35px auto;padding:20px}.apd-catalog-heading{max-width:740px;margin-bottom:32px;color:var(--apd-navy)}.apd-catalog-heading p{color:var(--apd-muted);font-size:17px;line-height:1.6}.apd-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.apd-card{position:relative;display:block;background:#fff;border:1px solid #e1e7eb;border-radius:18px;overflow:hidden;box-shadow:0 10px 28px rgba(17,38,61,.08);text-decoration:none!important;color:var(--apd-ink)!important;transition:transform .2s ease,box-shadow .2s ease}.apd-card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(17,38,61,.14)}.apd-card-main{display:block;text-decoration:none!important;color:inherit!important}.apd-card-media{height:200px;position:relative;display:grid;place-items:center;background:linear-gradient(145deg,var(--apd-navy),var(--apd-navy-2));color:#f5a623;font-size:70px;overflow:hidden}.apd-card-media img{width:100%;height:100%;object-fit:cover}.apd-card-body{padding:21px}.apd-card-count{font-size:12px;font-weight:800;color:#c87c00;text-transform:uppercase;letter-spacing:.06em}.apd-card h2{color:var(--apd-navy);font-size:22px;line-height:1.25;margin:8px 0}.apd-card p{color:var(--apd-muted);font-size:14px;line-height:1.55;margin:0 0 16px}.apd-card-link{font-weight:800;color:var(--apd-navy)}.apd-access-badge{position:absolute;left:12px;top:12px;background:#e9f8ef;color:#11623b;padding:6px 9px;border-radius:99px;font-size:12px;font-weight:800}.apd-access-badge.is-locked{background:#fff4d6;color:#7a4d00}.apd-card-share{position:absolute;right:12px;top:12px;z-index:2;width:38px;height:38px;border:0;border-radius:50%;background:rgba(255,255,255,.94);color:var(--apd-navy);font-size:21px;font-weight:800;cursor:pointer;box-shadow:0 4px 12px rgba(0,0,0,.15)}[hidden]{display:none!important}@media(max-width:900px){.apd-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.apd-challenge-hero{grid-template-columns:1fr}.apd-hero-image{max-height:330px}.apd-question-stage{grid-template-columns:1fr}}@media(max-width:620px){.apd-challenge{margin:12px;border-radius:16px}.apd-hero-copy,.apd-registration,.apd-quiz,.apd-final{padding:28px 20px}.apd-challenge-hero{min-height:0}.apd-hero-image{min-height:230px;height:230px}.apd-form-grid,.apd-card-grid{grid-template-columns:1fr}.apd-scorebar{gap:6px}.apd-scorebar>div{padding:9px}.apd-scorebar strong{font-size:17px}.apd-question-copy h2{font-size:25px}.apd-option{grid-template-columns:34px 1fr;padding:10px}.apd-catalog{padding:12px}.apd-card-media{height:190px}.apd-final-score strong{font-size:55px}}