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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@media(max-width:820px){body[data-quiz="active"] .mobile-nav{display:none}body[data-quiz="active"] main{padding-bottom:120px}body[data-quiz="active"] .quiz-controls{position:fixed;inset:auto 0 0;padding:14px 16px max(16px,env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--rule);box-shadow:0 -6px 20px #15375608;margin:0;z-index:20}body[data-quiz="active"] .quiz-controls .btn{min-height:48px}body[data-quiz="active"] #submit-answer{flex:1}body[data-quiz="active"] #toast{bottom:92px}}
/* Attempt navigation, evaluation and reflection */
.mission-map{display:flex;align-items:center;flex-wrap:wrap;gap:9px;padding:17px;background:#fff;border:1px solid var(--rule);border-radius:12px;margin:19px 0 25px}.question-step{display:flex;align-items:center;justify-content:center;gap:5px;min-width:44px;min-height:44px;background:#f3f6fa;border:1px solid #dce4f0;border-radius:8px;color:#536b88;font-size:13px}.question-step small{font-size:12px;line-height:1}.question-step.current{outline:2px solid var(--accent);outline-offset:2px}.question-step.correct,.question-step.studied{background:#e5f5ed;border-color:#bcdccc;color:#16634e}.question-step.wrong{background:#fff0eb;border-color:#e7c7b8;color:#8b4c35}.question-step.skipped{background:#fff6e8;color:#856126;border-color:#e8d9b8}.question-step.saved{background:#edf2ff;border-color:#c5d3f2;color:#3257a0}.map-count{font-size:11px;color:var(--muted);margin-left:auto}.choice-status{color:#4e6683;font-size:12px;line-height:1.9;margin:17px 0 12px}.skip-answer{display:block;min-height:44px;padding:10px 0;background:transparent;color:#536b87;font-size:12px;text-decoration:underline;text-underline-offset:4px;margin:12px 0}.quiz-controls{gap:12px}.quiz-controls .btn{min-width:0;white-space:normal;text-align:center}.quiz-shell>.screen-only{font-size:11px;line-height:1.9;margin-top:14px}.content-navigation{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:30px 0}.content-navigation .btn{font-size:12px}.lesson-navigation{border-top:1px solid var(--rule);padding-top:23px}.evaluation-summary{display:flex;align-items:center;gap:23px;padding:26px;background:#17364f;color:#fff;border-radius:14px;margin:23px 0}.evaluation-score{font-size:45px;font-weight:600;letter-spacing:-2px}.evaluation-score svg{width:45px;height:45px}.evaluation-summary h2{font-size:21px;color:#fff}.evaluation-summary p{font-size:14px;color:#d0e1ec;margin:6px 0 9px}.evaluation-summary small{font-size:11px;color:#bfd1e2}.effort-panel{margin:23px 0}.effort-panel h2{font-size:22px}.effort-options{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.effort-panel .field{margin-bottom:0}.effort-panel .notes{min-height:110px}.effort-panel #attempt-status{font-size:12px}.attempt-review .section-head{margin-top:0}.result-item h3{font-size:15px;font-weight:400;line-height:1.85;letter-spacing:0;margin:12px 0}.result-status{font-size:11px;font-weight:600;display:inline-block;padding:4px 9px;border-radius:6px;background:#edf2ff;color:#34569b}.result-status.correct,.result-status.studied{background:#e4f4ec;color:#16664f}.result-status.wrong{background:#fff0eb;color:#8c4c35}.result-status.skipped{background:#fff5e4;color:#805c20}.evaluation-actions{display:flex;flex-wrap:wrap;gap:10px;margin:23px 0}.attempt-history{display:grid;gap:13px}.attempt-card{display:flex;align-items:center;gap:18px;background:white;border:1px solid var(--rule);padding:24px;border-radius:13px}.attempt-card:hover{border-color:#92a9d0}.attempt-kind{width:43px;height:43px;background:#e8f2f0;color:#2b6c5e;border-radius:11px;display:grid;place-items:center;flex-shrink:0}.attempt-card h2{font-size:17px}.attempt-card p{font-size:12px;color:var(--muted);margin:7px 0}.attempt-card small{color:#3d6d63;font-size:11px}.attempt-card>span:last-child{margin-left:auto;color:var(--accent);white-space:nowrap;font-size:12px}.attempt-card .card-category{font-size:10px}.sidebar-bottom a[data-nav].active{color:#d8f2e8;font-weight:600}
@media(max-width:820px){body[data-quiz="active"] .quiz-controls{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.6fr) minmax(0,1fr);gap:8px}body[data-quiz="active"] .quiz-controls .btn{font-size:12px;padding:10px 8px;line-height:1.5;min-height:50px}body[data-quiz="active"] .quiz-controls #submit-answer{flex:initial}.map-count{width:100%;margin:5px 0 0}.evaluation-summary h2{font-size:19px}.evaluation-score{font-size:39px}}
@media(max-width:560px){.mission-map{padding:15px;gap:8px}.question-step{min-width:42px;min-height:44px;font-size:12px}.map-count{font-size:11px}.choice-status{font-size:12px}.quiz-controls .btn{font-size:11px}body[data-quiz="active"] .quiz-controls{padding:12px 12px max(14px,env(safe-area-inset-bottom));gap:7px}body[data-quiz="active"] .quiz-controls .btn{font-size:10px;padding:10px 6px}.quiz-shell>.screen-only{font-size:10px}.content-navigation .btn{width:100%;font-size:12px}.evaluation-summary{padding:23px 20px;gap:18px}.evaluation-score{font-size:34px;letter-spacing:-1px}.evaluation-summary h2{font-size:18px;line-height:1.5}.evaluation-summary p{font-size:12px}.evaluation-summary small{font-size:10px}.effort-panel h2{font-size:21px}.effort-options .filter{font-size:11px;flex:1;padding:10px 8px}.effort-panel .btn{width:100%;font-size:12px}.effort-panel .field{font-size:12px}.result-item h3{font-size:14px;line-height:1.9}.result-item .btn{width:100%;font-size:11px}.evaluation-actions>.btn{width:100%;font-size:12px}.attempt-card{padding:21px 18px;gap:13px;flex-wrap:wrap}.attempt-kind{display:none}.attempt-card h2{font-size:16px;line-height:1.6}.attempt-card p{font-size:11px}.attempt-card>span:last-child{font-size:12px;margin:3px 0 0}.attempt-card>div{width:100%}.attempt-card .card-category{font-size:10px;line-height:1.8}}
.question-step.reflected{background:#edf3fb;color:#3e638b;border-color:#cbdbee}
/* Clear next-step flow: one primary action per screen. */
.sidebar-access{display:block;padding:15px 13px;color:#c2d4e4;font-size:12px;margin-top:25px;border-top:1px solid #2c4359}.next-step-card{padding:30px;background:#fff;border:1px solid #d6e0ed;border-left:4px solid #3459d4;border-radius:13px;max-width:920px}.next-step-card .eyebrow{font-size:10px;color:#56718f}.next-step-card h2{font-size:27px;margin:12px 0;max-width:700px}.next-step-card p{font-size:14px;line-height:1.85;color:var(--muted);max-width:630px;margin-bottom:22px}.next-step-card>.btn{min-height:50px;font-size:14px}.home-shortcuts{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:20px 0;max-width:920px}.home-shortcuts>a{display:flex;align-items:center;gap:14px;padding:20px;background:white;border:1px solid var(--rule);border-radius:12px}.home-shortcuts>a>span:nth-child(2){flex:1;min-width:0}.home-shortcuts strong{font-size:14px;display:block}.home-shortcuts small{display:block;font-size:11px;color:var(--muted);margin-top:6px}.home-shortcuts>a>svg{width:18px;color:#6c84a0}.home-progress{display:flex;gap:20px;justify-content:space-between;font-size:12px;color:var(--muted);padding:8px 0 12px;max-width:920px}.home-progress a{color:var(--accent)}.quick-practice-layout{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(250px,1fr);gap:35px;max-width:1000px;align-items:start}.quick-practice{padding:28px}.quick-practice>.field{margin:0 0 14px;font-size:14px}.quick-practice select{min-height:52px;font-size:14px}.quick-practice #start-practice{width:100%;min-height:52px;font-size:15px;margin:17px 0 0}.practice-access-line{font-size:12px!important;color:#4e6a87!important;margin:0!important}.quick-practice .practice-promise{font-size:12px;line-height:1.85;margin:13px 0 21px;color:var(--muted)}.quiet-details{margin:18px 0;border-top:1px solid var(--rule);padding-top:5px}.quiet-details>summary{display:flex;align-items:center;gap:12px;list-style:none;cursor:pointer;min-height:48px;font-size:13px;font-weight:600;color:#4f6887;line-height:1.6;padding:10px 0}.quiet-details>summary::-webkit-details-marker{display:none}.quiet-details>summary:after{content:'+';margin-left:auto;font-size:20px;font-weight:400;color:#55708f}.quiet-details[open]>summary:after{content:'−'}.quiet-details .field{margin:18px 0;font-size:13px}.quiet-details p{font-size:13px;line-height:1.9}.practice-options{margin:18px 0 0}.practice-options>summary{font-size:12px;font-weight:400}.practice-options .field:last-child{margin-bottom:0}.practice-help{padding:17px 0}.practice-help h2{font-size:20px;margin-bottom:21px}.simple-steps{list-style:none;padding:0;margin:0;display:grid;gap:22px}.simple-steps li{display:flex;gap:13px;align-items:start}.simple-steps li>span{display:grid;place-items:center;min-width:28px;height:28px;border-radius:50%;background:#e8eefb;color:#3459a9;font-size:12px;font-weight:600}.simple-steps strong{font-size:14px}.simple-steps p{font-size:12px;line-height:1.8;color:var(--muted);margin-top:4px}.practice-secondary{display:flex;gap:14px;flex-wrap:wrap;margin:23px 0;max-width:1000px}.practice-secondary .btn{font-size:12px}.review-options{max-width:1000px}.track-next{padding:22px 24px;background:#fff;border:1px solid var(--rule);border-left:4px solid var(--accent);border-radius:12px;margin:0 0 27px}.track-next p{font-size:13px;line-height:1.9;color:var(--muted);margin:8px 0 16px}.track-next .btn{font-size:13px}.track-layout{display:block;max-width:950px}.track-extra{margin:28px 0;border-top:1px solid var(--rule);padding-top:8px}.track-extra>summary{padding:14px 0;font-size:13px;cursor:pointer;color:var(--muted);min-height:46px}.track-extra>.practice-panel{display:grid;grid-template-columns:1fr 1fr;margin-top:14px}.track-extra .stage-section{border-left:1px solid var(--rule);border-top:0}.track-lessons .course-item{grid-template-columns:35px minmax(0,1fr) auto;align-items:center;padding:20px}.track-lessons .course-item>.btn{grid-column:3;font-size:12px;min-width:110px}.result-next{padding:27px;background:#fff;border:1px solid var(--rule);border-left:4px solid #147560;border-radius:13px;margin:24px 0}.result-next h2{font-size:24px;margin:10px 0}.result-next p{font-size:14px;line-height:1.9;color:var(--muted);margin:12px 0 20px}.result-next>.btn{min-height:50px;font-size:14px}.simple-result>.page-heading{margin-bottom:22px}.simple-result>.page-heading h1{font-size:32px}.simple-result>.page-heading p{font-size:14px}.all-results,.optional-reflection{margin:16px 0;border:1px solid var(--rule);border-radius:11px;background:white;padding:3px 22px}.all-results>summary,.optional-reflection>summary{font-weight:400;font-size:13px}.all-results .attempt-review{border:0;padding:0}.all-results .section-head{display:none}.optional-reflection .effort-panel{border-top:1px solid var(--rule);padding-top:22px;margin-top:6px}.optional-reflection .effort-panel>.btn{font-size:12px}.simple-result .evaluation-actions{margin:23px 0}.simple-result .evaluation-actions>.btn{font-size:12px}
/* Immersive question view. Navigation, sources and long explanations remain available on demand. */
body[data-quiz="active"] .sidebar,body[data-quiz="active"] .topbar,body[data-quiz="active"] footer{display:none}body[data-quiz="active"] .workspace{margin-left:0}body[data-quiz="active"] main{min-height:100vh;max-width:900px;padding:24px 30px 130px}.ux-topline{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:43px;margin-bottom:13px}.exit-practice{font-size:13px;color:#536b87;display:inline-flex;align-items:center;min-height:44px;flex-shrink:0}.ux-topline>span{font-size:12px;color:var(--muted);margin-left:auto}.question-picker{position:relative;flex-shrink:0}.question-picker>summary{cursor:pointer;list-style:none;font-size:13px;font-weight:600;color:#234b81;min-height:44px;display:flex;align-items:center;gap:10px}.question-picker>summary::-webkit-details-marker{display:none}.question-picker .mission-map{position:absolute;z-index:5;top:45px;right:0;width:min(380px,calc(100vw - 38px));padding:17px;box-shadow:0 10px 25px #15375620;margin:0}.question-picker .map-count{width:100%;margin:5px 0 0}.question-picker #next-question{width:100%;font-size:12px;background:transparent;border:0;text-align:left}.ux-progress{height:4px;background:#e3eaf4;border-radius:5px;overflow:hidden;margin-bottom:22px}.ux-progress i{height:100%;background:var(--accent);display:block;border-radius:5px}.next-instruction{font-size:13px;color:#426895;background:#eef3fe;border-radius:8px;padding:11px 14px;margin-bottom:19px;line-height:1.7}.ux-mission .quiz-question{font-size:25px;line-height:1.65;margin:20px 0 25px;font-weight:600}.ux-mission .options{gap:10px}.ux-mission .option{font-size:16px;line-height:1.7;min-height:57px;padding:14px 17px}.ux-mission .choice-status{font-size:12px;margin:12px 0;color:var(--muted)}.ux-mission .answer-feedback{border:1px solid #bfdfce;border-radius:12px;background:#edf7f1;color:#1d604d;padding:23px;margin:24px 0 14px}.ux-mission .answer-feedback.bad{background:#fff5ef;color:#80503c;border-color:#e6cdbd}.ux-mission .answer-feedback>strong{font-size:16px}.ux-mission .correct-choice{font-size:15px;margin:8px 0}.short-explanation{border-top:1px solid #48786124;padding-top:17px;margin-top:17px}.short-explanation h2{font-size:17px;margin-bottom:8px;letter-spacing:0}.short-explanation p{font-size:15px;line-height:1.9;color:#324f48;margin:0}.answer-feedback.bad .short-explanation p{color:#5e4b3f}.ux-mission .answer-feedback>small{display:block;font-size:11px;margin-top:13px}.ux-mission .answer-feedback .notice{background:#fff;border-color:#d4dfeb;font-size:12px;color:#405b74}.paid-note{font-size:13px;line-height:1.9}.paid-note a{color:var(--accent);text-decoration:underline}.deep-explanation{margin:13px 0 20px}.deep-explanation>summary{font-size:13px;font-weight:400}.question-info{margin-top:24px}.question-info>summary{font-size:12px;font-weight:400}.test-notice{font-size:13px;line-height:1.9;color:#516d8c;margin:20px 0}.ux-mission .skip-answer{font-size:12px;color:#64778e;margin-top:15px}.ux-mission .unfold{margin-top:18px}body[data-quiz="active"] .quiz-controls{position:fixed;bottom:0;left:50%;right:auto;top:auto;transform:translateX(-50%);display:grid;grid-template-columns:110px minmax(0,1fr);gap:15px;width:min(900px,100vw);padding:17px 30px max(17px,env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--rule);box-shadow:0 -5px 20px #17364f08;margin:0;z-index:20}body[data-quiz="active"] .quiz-controls .btn{font-size:14px;padding:13px 16px;min-height:51px;line-height:1.5}body[data-quiz="active"] #submit-answer{flex:initial}body[data-quiz="active"] #previous-question{background:#fff;border-color:transparent;color:#64788f}body[data-quiz="active"] #submit-answer:disabled{background:#e8edf5;color:#708198;opacity:1}body[data-quiz="active"] #toast{bottom:95px}
@media(max-width:1000px){.quick-practice-layout{grid-template-columns:1fr}.practice-help{display:none}.home-shortcuts{grid-template-columns:1fr}.track-lessons .course-item{grid-template-columns:35px minmax(0,1fr)}.track-lessons .course-item>.btn{grid-column:2;justify-self:start}.quick-practice{max-width:660px}.practice-secondary{max-width:660px}}
@media(max-width:560px){.next-step-card{padding:23px 21px;border-radius:12px}.next-step-card h2{font-size:25px;line-height:1.4;margin:12px 0}.next-step-card p{font-size:13px;margin-bottom:20px}.next-step-card .eyebrow{font-size:9px}.next-step-card>.btn{width:100%;font-size:14px;min-height:50px}.home-shortcuts{gap:11px;margin:16px 0}.home-shortcuts>a{padding:18px;gap:12px}.home-shortcuts strong{font-size:14px}.home-shortcuts small{font-size:11px;line-height:1.8}.home-progress{font-size:11px;gap:12px;flex-wrap:wrap}.quick-practice{padding:21px 19px}.quick-practice>.field{font-size:13px;line-height:1.8;gap:10px;margin-bottom:13px}.quick-practice select{font-size:13px;min-height:51px;padding:12px 10px}.quick-practice #start-practice{font-size:14px;min-height:52px;margin-top:17px}.practice-access-line{font-size:11px!important}.quick-practice .practice-promise{font-size:11px;line-height:1.9;margin:13px 0 15px}.practice-options>summary{font-size:11px;line-height:1.8;min-height:46px}.practice-options{margin-top:15px}.practice-options .field{font-size:12px}.practice-options p{font-size:12px}.practice-secondary{display:grid;gap:10px}.practice-secondary .btn{font-size:12px;width:100%}.review-options>summary{font-size:12px}.track-next{padding:20px;margin-bottom:25px}.track-next .eyebrow{font-size:9px}.track-next .row-actions{display:block}.track-next .btn{width:100%;font-size:13px}.track-next .quiet-link{font-size:12px;margin-top:8px}.track-lessons .course-item{grid-template-columns:30px minmax(0,1fr);padding:18px 16px}.track-lessons .course-item>.btn{grid-column:1/-1;width:100%;font-size:13px}.track-extra>.practice-panel{display:block}.track-extra .stage-section{border-top:1px solid var(--rule);border-left:0}.simple-result>.page-heading h1{font-size:28px}.simple-result>.page-heading p{font-size:13px}.result-next{padding:23px 20px}.result-next .eyebrow{font-size:9px}.result-next h2{font-size:23px;line-height:1.5}.result-next p{font-size:13px}.result-next>.btn{font-size:13px;width:100%;min-height:51px}.all-results,.optional-reflection{padding:3px 17px}.all-results>summary,.optional-reflection>summary{font-size:12px;line-height:1.8}.optional-reflection .effort-panel h2{font-size:20px}.optional-reflection .effort-panel p{font-size:12px}.simple-result .evaluation-actions>.btn{font-size:12px}.ux-topline{gap:12px;margin-bottom:10px}.exit-practice{font-size:12px}.ux-topline>span{display:none}.question-picker>summary{font-size:12px;min-height:43px;gap:9px}.ux-progress{margin-bottom:17px;height:3px}.next-instruction{font-size:12px;padding:10px 12px;margin-bottom:17px;border-radius:7px}.ux-mission .quiz-question{font-size:20px;line-height:1.65;margin:18px 0 22px;letter-spacing:-.02em}.ux-mission .option{font-size:14px;padding:13px;gap:12px;min-height:53px;line-height:1.8}.ux-mission .option .letter{width:26px;height:26px;font-size:12px}.ux-mission .options{gap:9px}.ux-mission .choice-status{font-size:11px;margin:12px 0}.ux-mission .answer-feedback{padding:21px 18px;margin:21px 0 13px}.ux-mission .answer-feedback>strong{font-size:15px}.ux-mission .correct-choice{font-size:14px;line-height:1.8}.short-explanation h2{font-size:16px}.short-explanation p{font-size:14px;line-height:1.95}.ux-mission .answer-feedback>small{font-size:10px}.deep-explanation>summary{font-size:12px}.question-info>summary{font-size:11px}.ux-mission .skip-answer{font-size:12px;min-height:46px}.test-notice{font-size:12px}.question-picker .mission-map{width:min(310px,calc(100vw - 32px));padding:15px}.question-picker .question-step{min-width:42px;min-height:44px}body[data-quiz="active"] main{padding:12px 16px 115px}body[data-quiz="active"] .quiz-controls{grid-template-columns:65px minmax(0,1fr);width:100%;padding:13px 16px max(14px,env(safe-area-inset-bottom));gap:9px}body[data-quiz="active"] .quiz-controls .btn{font-size:13px;min-height:51px;padding:12px 10px}body[data-quiz="active"] #previous-question{font-size:12px;padding:10px 2px}body[data-quiz="active"] #toast{bottom:90px}}

/* Official exelixi for minds identity. Original artwork is shown unchanged;
   the viewport removes only transparent padding around the supplied PNG. */
:root{--accent:#08788a;--pale:#eaf7f9;--paper:#f6f9fb;--ink:#19303f;--muted:#546876}
.sidebar{background:#fff;color:var(--ink);border-right:1px solid var(--rule);padding-top:22px}.official-brand{display:flex;align-items:center;gap:16px;flex-shrink:0}.sidebar .brand{padding:0 8px;color:var(--ink)}.official-logo{display:block;position:relative;flex-shrink:0;width:90px;height:132px;overflow:hidden}.official-logo img{display:block;position:absolute;max-width:none;width:178px;height:178px;left:-47px;top:-20px}.brand-context{font-size:14px!important;letter-spacing:0!important;line-height:1.5}.brand-context strong{font-size:20px;font-weight:600;letter-spacing:.03em}.brand-context small{font-size:10px!important;letter-spacing:0!important;line-height:1.7;color:var(--muted)!important;margin-top:5px}.edition{color:#566e7b;border-color:var(--rule);font-size:9px;margin-top:18px;padding-top:18px}.edition span{color:var(--accent)}.sidebar nav a{color:#425b6b;font-size:12px}.sidebar nav a:hover{background:#f0f7f8}.sidebar nav a.active{background:#e6f5f7;color:#075b6a;box-shadow:inset 3px 0 var(--accent)}.sidebar-access{border-color:var(--rule);color:#4f6572}.sidebar-bottom a,.sidebar-bottom>span{color:#536a77}.sidebar-bottom a[data-nav].active{color:#075b6a}.sidebar-bottom{gap:13px}.topbar{background:#fff}.avatar{background:#e8f7f9;color:var(--accent)}.next-step-card{border-left-color:var(--accent)}.module-icon,.module-icon.math{background:#eaf6f8;color:#08788a}.module-icon.shapes{background:#fcecf4;color:#aa286a}.access-badge.owned{background:#e7f5ef;color:#27634f}.mobile-nav a.active{background:#e8f6f8;color:var(--accent)}.simple-steps li>span{background:#e8f6f8;color:#075b6a}.next-instruction{background:#edf7f9;color:#285968}.option.selected{border-color:var(--accent);background:#edf8fa}.question-picker>summary{color:#285968}.filter.active{background:#e8f6f8;color:#075b6a;border-color:#83bdc5}.footer-brand{display:inline-flex;align-items:center;gap:9px;white-space:nowrap}.footer-brand img{object-fit:contain;flex-shrink:0}.footer-brand strong{font-size:12px;letter-spacing:0}footer{flex-wrap:wrap}footer>span{max-width:480px}.initial-content{max-width:780px}.initial-content h1{font-size:34px;line-height:1.4;margin:14px 0}.initial-content p{font-size:15px;line-height:1.9;margin:18px 0}.loading-note{color:var(--muted);font-size:12px!important}.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #b32472;outline-offset:4px}.btn:hover{filter:brightness(.94)}
/* Real URL course pages share the learning application's visual language. */
.catalog-header{background:#fff;border-bottom:1px solid var(--rule);padding:14px max(24px,calc((100vw - 1120px)/2));display:flex;align-items:center;justify-content:space-between;gap:24px}.catalog-header .catalog-brand{display:flex;color:var(--ink)}.catalog-header .official-logo{width:48px;height:70px}.catalog-header .official-logo img{width:94px;height:94px;left:-25px;top:-11px}.catalog-header nav{display:flex;align-items:center;gap:24px;font-size:14px}.catalog-main{max-width:1120px;padding:42px 24px 60px;margin:0 auto;min-height:65vh}.catalog-main .page-heading{max-width:820px}.catalog-main .page-heading h1{font-size:36px;line-height:1.4;margin:13px 0 16px}.catalog-main .page-heading p{font-size:16px;line-height:1.9}.catalog-start{padding:26px;background:white;border:1px solid var(--rule);border-left:4px solid var(--accent);border-radius:14px;display:flex;align-items:center;justify-content:space-between;gap:26px;margin:30px 0 40px}.catalog-start h2{font-size:24px;line-height:1.5;margin:9px 0}.catalog-start p{font-size:14px;line-height:1.9;max-width:680px;color:var(--muted)}.catalog-start>.btn{flex-shrink:0;font-size:14px;min-height:50px}.catalog-section-title{font-size:25px;line-height:1.5;margin:35px 0 12px}.catalog-intro{font-size:14px;line-height:1.9;color:var(--muted);max-width:850px;margin-bottom:24px}.catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:17px}.catalog-course{background:white;border:1px solid var(--rule);border-radius:13px;padding:24px;display:flex;flex-direction:column;align-items:start;gap:13px;transition:border-color .15s}.catalog-course:hover{border-color:var(--accent)}.catalog-course h3{font-size:19px;line-height:1.6;letter-spacing:-.02em}.catalog-course p{font-size:13px;line-height:1.9;color:var(--muted)}.catalog-course-meta{font-size:12px;color:var(--muted);margin-top:auto}.catalog-course>strong{font-size:13px;color:var(--accent);min-height:32px;display:flex;align-items:center}.catalog-method{padding:28px;background:white;border:1px solid var(--rule);border-radius:14px;margin:38px 0 26px;max-width:900px}.catalog-method h2{font-size:24px;line-height:1.5;margin-bottom:18px}.catalog-method ol{padding-left:23px}.catalog-method li,.catalog-method p{font-size:15px;line-height:1.95;color:var(--muted);margin:12px 0}.catalog-method li strong{color:var(--ink)}.catalog-method .btn{font-size:13px;margin-top:14px}.catalog-footer{max-width:1120px;margin:0 auto;border-top:1px solid var(--rule);padding:26px 24px;display:flex;align-items:center;gap:25px;font-size:12px}.catalog-footer p{color:var(--muted);font-size:12px;line-height:1.9;max-width:580px}.catalog-footer>a:last-child{white-space:nowrap;color:var(--accent)}.catalog-breadcrumb{display:flex;gap:13px;align-items:center;font-size:12px;color:var(--muted);margin-bottom:29px;min-height:44px}.course-detail{max-width:1000px}.catalog-syllabus{list-style:none;padding:0;display:grid;gap:15px}.catalog-syllabus>li{display:flex;gap:22px;padding:25px;background:white;border:1px solid var(--rule);border-radius:12px}.catalog-lesson-number{color:#08788a;background:#e8f6f8;width:38px;height:38px;display:grid;place-items:center;font-size:13px;font-weight:600;border-radius:10px;flex-shrink:0}.catalog-syllabus h3{font-size:19px;line-height:1.6;margin:2px 0 12px}.catalog-syllabus ul{padding-left:18px;margin:0 0 16px}.catalog-syllabus ul li{font-size:14px;line-height:1.9;color:var(--muted);margin:6px 0}.catalog-syllabus .access-badge{font-size:11px}.catalog-footer .footer-brand{color:var(--ink)}
@media(max-width:1000px){.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-start{align-items:start;flex-direction:column}.catalog-footer{flex-wrap:wrap}}
@media(max-width:820px){.mobile-brand.official-brand{gap:12px;min-width:0}.mobile-brand .official-logo{width:42px;height:62px}.mobile-brand .official-logo img{width:84px;height:84px;left:-22px;top:-9px}.mobile-brand .brand-context strong{font-size:18px}.mobile-brand .brand-context small{font-size:9px!important;margin-top:2px}.topbar{height:84px;padding:7px 17px;gap:10px}.topbar .preview-label{font-size:8px;white-space:nowrap}.catalog-header{padding:9px 20px;gap:15px}.catalog-header nav{gap:15px}.catalog-header .mobile-brand .official-logo{width:42px;height:62px}.catalog-header .mobile-brand .official-logo img{width:84px;height:84px;left:-22px;top:-9px}.catalog-header .btn{font-size:12px;padding:11px 14px}.catalog-header nav>a:first-child{font-size:12px}.catalog-footer p{width:100%;order:3}.catalog-footer .footer-brand{font-size:12px}footer>span{max-width:none}}
@media(max-width:560px){.catalog-header .brand-context small{display:none}.catalog-header .brand-context strong{font-size:16px}.catalog-header .official-brand{gap:9px}.catalog-header nav>a:first-child{display:none}.catalog-main{padding:28px 18px 40px}.catalog-main .page-heading h1{font-size:29px;line-height:1.45}.catalog-main .page-heading p{font-size:14px;line-height:1.95}.catalog-start{padding:22px 20px;margin:25px 0 31px;gap:18px}.catalog-start .eyebrow{font-size:9px}.catalog-start h2{font-size:23px}.catalog-start p{font-size:13px}.catalog-start>.btn{width:100%;font-size:14px}.catalog-section-title{font-size:23px}.catalog-intro{font-size:13px}.catalog-grid{grid-template-columns:1fr;gap:13px}.catalog-course{padding:22px}.catalog-course h3{font-size:20px}.catalog-course p{font-size:14px}.catalog-course>strong{font-size:14px;min-height:38px}.catalog-method{padding:23px 20px}.catalog-method h2{font-size:23px}.catalog-method li,.catalog-method p{font-size:14px}.catalog-method .btn{width:100%;font-size:12px}.catalog-syllabus>li{padding:21px 17px;gap:13px}.catalog-lesson-number{width:30px;height:32px;font-size:12px}.catalog-syllabus h3{font-size:18px}.catalog-syllabus ul li{font-size:13px}.catalog-syllabus .access-badge{font-size:10px}.catalog-footer{padding:22px 18px 30px;gap:19px}.catalog-footer p{font-size:11px}.initial-content h1{font-size:27px}.initial-content p{font-size:14px}}
.topbar>.mobile-brand{display:none}
@media(max-width:820px){.topbar>.mobile-brand{display:flex}}
.brand-context,.brand-context small{display:block}
@media(max-width:560px){.catalog-header .brand-context small{display:none}}