@import url('/sq/_design/local-fonts/knowledge-fonts.css');
:root{--navy:#123156;--ink:#152a42;--red:#e40618;--muted:#607083;--line:#dae1e8;--paper:#f3f5f7;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:#fff;color:var(--ink);font-family:'DM Sans',Arial,sans-serif;font-size:16px;line-height:1.6}h1,h2,h3,h4{font-family:Manrope,Arial,sans-serif;line-height:1.2;letter-spacing:-.04em;margin:0}h1{font-size:clamp(36px,4.7vw,65px);font-weight:800}h2{font-size:clamp(27px,3vw,39px)}h3{font-size:23px}p{margin:0 0 18px}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input,summary{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.45}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #2788d8;outline-offset:4px}button{border:0}button,a{ -webkit-tap-highlight-color:transparent}svg{max-width:100%;height:auto}.skip{position:fixed;left:16px;top:-70px;background:#fff;padding:12px;z-index:20}.skip:focus{top:8px}.site-header{height:94px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(5%,calc((100% - 1280px)/2));gap:24px;background:#fff}.brand img{display:block;object-fit:contain;width:112px;height:68px}.site-header nav{display:flex;align-items:center;gap:36px;font-size:14px;font-weight:600}.site-header nav a{padding:22px 0}.site-header .current{color:var(--red)}.header-contact{font-size:14px;border:1px solid var(--line);padding:11px 18px;border-radius:5px}.wrap{max-width:1280px;width:90%;margin:0 auto}.eyebrow{font-size:11px;letter-spacing:.17em;text-transform:uppercase;font-weight:700;display:flex;align-items:center;gap:10px;margin-bottom:20px}.eyebrow:before{content:'';height:7px;width:7px;background:var(--red);display:block}.hero{background:var(--navy);color:#fff;position:relative;overflow:hidden}.hero .wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:6%;padding:64px 0 58px;align-items:center}.hero h1 span{color:#9fb8d4}.hero p{color:#c1d0e0;max-width:480px;font-size:17px;margin:25px 0 27px}.hero .eyebrow{color:#c4d4e6}.button{display:inline-flex;align-items:center;justify-content:center;gap:20px;min-height:48px;padding:13px 22px;border-radius:5px;background:var(--red);color:#fff;font-size:14px;font-weight:700;border:1px solid transparent;line-height:1.4}.button:hover{filter:brightness(.95)}.button.secondary{background:#fff;color:var(--navy);border-color:var(--line)}.button.ghost{background:transparent;color:inherit;border-color:#ffffff55}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.hero-drawing{position:relative;background:#1a3d63;border:1px solid #ffffff26;border-radius:10px;padding:22px 24px 18px;box-shadow:0 25px 60px #00132926}.drawing-top{display:flex;justify-content:space-between;font-size:10px;letter-spacing:.15em;color:#b4c7dc;text-transform:uppercase}.hero-drawing svg{display:block;margin:8px auto;width:100%}.drawing-bottom{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:#d4e0ed;border-top:1px solid #ffffff24;padding-top:14px}.drawing-bottom strong{color:#fff}.dot{width:6px;height:6px;border-radius:50%;background:#ef4550;display:inline-block;margin-right:6px}.trust-strip{border-bottom:1px solid var(--line);padding:22px 0}.trust-strip .wrap{display:flex;justify-content:space-between;gap:18px;font-size:13px}.trust-strip span{color:var(--muted)}.trust-strip b{color:var(--navy);font-weight:600}.catalog{padding:64px 0 70px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:26px}.section-heading p{color:var(--muted);margin:12px 0 0;max-width:650px}.search{width:300px;max-width:100%;position:relative;flex-shrink:0}.search input{width:100%;height:49px;border:1px solid var(--line);padding:10px 16px 10px 40px;border-radius:5px;background:#fff;color:var(--ink)}.search:before{content:'⌕';position:absolute;left:14px;top:4px;font-size:26px;color:var(--muted)}.filter-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}.filter{padding:9px 15px;border-radius:4px;background:var(--paper);color:var(--muted);font-size:13px;min-height:44px}.filter[aria-pressed=true]{background:var(--navy);color:#fff}.result-count{font-size:12px;color:var(--muted);margin:0 0 18px}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.course-card{border:1px solid var(--line);border-radius:8px;overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s;background:#fff}.course-card:hover{transform:translateY(-4px);box-shadow:0 14px 26px #12315610}.course-visual{height:158px;background:#f0f3f6;position:relative;overflow:hidden}.course-visual svg{width:100%;height:100%;display:block}.course-number{position:absolute;top:14px;left:16px;font-size:10px;letter-spacing:.1em;color:#7a8797}.course-tag{position:absolute;top:14px;right:14px;background:white;border-radius:3px;font-size:10px;padding:3px 7px;color:var(--navy)}.course-content{padding:22px 23px;flex:1;display:flex;flex-direction:column}.course-category{color:var(--muted);font-size:10px;letter-spacing:.11em;text-transform:uppercase;margin-bottom:10px}.course-card h3{font-size:20px;letter-spacing:-.035em;margin-bottom:12px}.course-card p{font-size:13px;line-height:1.65;color:var(--muted);margin-bottom:23px}.course-meta{margin-top:auto;border-top:1px solid #edf0f3;padding-top:14px;font-size:12px;display:flex;justify-content:space-between;gap:9px}.course-meta strong{color:var(--red)}.empty{padding:45px;background:var(--paper);border-radius:8px;grid-column:1/-1}.learning-path{display:grid;grid-template-columns:1fr 1.2fr;gap:50px;background:var(--paper);padding:42px;border-radius:8px;margin-bottom:64px}.learning-path p{color:var(--muted);font-size:14px;margin:17px 0 0}.path-links{display:grid;gap:8px}.path-links a{display:flex;align-items:center;gap:17px;background:white;padding:15px 18px;border:1px solid var(--line);border-radius:4px;font-size:14px}.path-links span{color:var(--red);font-size:11px}.path-links b{margin-left:auto}.book-band{display:grid;grid-template-columns:1fr 1fr;gap:50px;border-top:1px solid var(--line);padding:45px 0 60px}.book-band p{color:var(--muted);font-size:14px}.book-mark{display:inline-block;color:var(--red);font-size:12px;font-weight:700;letter-spacing:.1em;margin-bottom:16px}.site-footer{background:#0d2542;color:#fff;padding:40px 5% 20px;display:grid;grid-template-columns:1fr 1fr;gap:30px}.site-footer strong{font-size:27px;letter-spacing:-.05em}.site-footer strong span{font-size:12px;vertical-align:top}.site-footer p{font-size:12px;color:#a9bbce;margin-top:8px}.site-footer>div:nth-child(2){display:flex;gap:22px;align-items:center;justify-content:flex-end;font-size:12px;flex-wrap:wrap}.site-footer .preview-note{grid-column:1/-1;border-top:1px solid #ffffff22;padding-top:20px;margin-bottom:0;font-size:10px}.breadcrumb{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:12px;padding:25px 0;flex-wrap:wrap}.breadcrumb a{color:var(--navy)}.article-heading{padding:20px 0 36px;display:grid;grid-template-columns:1.45fr 1fr;gap:8%;align-items:end}.article-heading h1{font-size:clamp(35px,4.2vw,55px)}.article-heading p{color:var(--muted);margin:20px 0 0;font-size:16px}.article-meta{display:flex;gap:22px;flex-wrap:wrap;color:var(--muted);font-size:12px;margin-top:24px}.goal-box{border-left:3px solid var(--red);padding:8px 0 8px 23px}.goal-box span{color:var(--red);font-size:10px;letter-spacing:.13em;text-transform:uppercase;font-weight:700}.goal-box p{font-size:14px;margin-top:10px;color:var(--ink)}.article-nav{display:flex;gap:28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 0;font-size:12px;flex-wrap:wrap}.article-nav a:first-child{color:var(--red)}.lesson-area{background:var(--paper);padding:42px 0 52px}.lesson-layout{display:grid;grid-template-columns:245px minmax(0,1fr);gap:30px;align-items:start}.step-aside{position:sticky;top:25px}.step-aside h2{font-size:16px;letter-spacing:-.02em}.progress-label{font-size:12px;color:var(--muted);margin:10px 0}.progress-track{height:3px;background:#dbe1e7;margin:0 0 23px;border-radius:3px;overflow:hidden}.progress-track span{height:100%;background:var(--red);display:block;transition:width .2s}.steps-list{list-style:none;padding:0;margin:0}.step-button{background:transparent;color:var(--muted);display:flex;gap:13px;width:100%;align-items:center;text-align:left;padding:13px 12px;border-radius:5px;font-size:13px;line-height:1.45;min-height:58px;margin-bottom:4px}.step-button[aria-current=step]{background:#fff;color:var(--navy);box-shadow:0 2px 7px #12315607;font-weight:600}.step-button .number{flex:0 0 27px;height:27px;border:1px solid #c8d2de;border-radius:50%;display:grid;place-items:center;font-size:11px}.step-button[aria-current=step] .number{background:var(--red);border-color:var(--red);color:#fff}.step-button.done .number{background:var(--navy);color:#fff;border-color:var(--navy)}.text-button{background:transparent;color:var(--muted);font-size:11px;padding:12px 0;text-decoration:underline;min-height:44px}.step-panel{background:#fff;border:1px solid var(--line);border-radius:8px;padding:30px 32px}.step-kicker{font-size:10px;letter-spacing:.14em;color:var(--red);font-weight:700;margin-bottom:10px;text-transform:uppercase}.step-panel h2{font-size:28px;margin-bottom:16px}.step-body{color:#4f6074;font-size:15px;line-height:1.8;max-width:780px}.tip{border-left:3px solid var(--navy);padding:13px 17px;background:#f4f7fa;font-size:13px;margin:20px 0 25px;color:var(--ink)}.tip strong{display:block;margin-bottom:3px}.step-controls{display:flex;gap:10px;justify-content:space-between;align-items:center;padding-top:23px;border-top:1px solid var(--line);flex-wrap:wrap}.step-controls button{font-size:12px;min-height:44px}.step-controls .complete{margin-left:auto}.diagram-wrap{margin-top:23px;border:1px solid var(--line);background:#fff;border-radius:8px;padding:26px;overflow:hidden}.diagram-heading{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:20px}.diagram-heading h3{font-size:17px}.diagram-heading span{color:var(--red);font-size:10px;letter-spacing:.08em;text-transform:uppercase}.article-section{padding:54px 0;border-bottom:1px solid var(--line)}.section-lead{color:var(--muted);margin:15px 0 28px;font-size:14px}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:40px}.checklist{display:grid;gap:10px;margin-top:25px}.checklist label{display:flex;gap:13px;padding:15px 17px;align-items:start;border:1px solid var(--line);border-radius:4px;font-size:14px;cursor:pointer}.checklist input{width:19px;height:19px;accent-color:var(--navy);margin-top:2px;flex-shrink:0}.checklist label:has(input:checked){background:#f2f7f6;border-color:#aac6bc}.mistakes{background:#faf4f4;padding:28px;border-radius:6px}.mistakes h3{font-size:21px}.mistakes ul{padding-left:20px;font-size:14px;color:#66555b}.mistakes li{padding:8px 0}.quiz{margin-top:28px;padding:25px;border:1px solid var(--line);border-radius:6px}.quiz h3{font-size:18px;margin-bottom:17px}.quiz-options{display:grid;gap:8px}.quiz-options button{padding:12px 15px;min-height:45px;border:1px solid var(--line);background:#fff;color:var(--ink);text-align:left;font-size:13px;border-radius:4px}.quiz-options button[aria-pressed=true]{border-color:var(--navy);background:#edf3f9}.quiz-feedback{margin-top:14px;font-size:13px;color:var(--muted)}.quiz-feedback:empty{display:none}.quiz-feedback.correct{color:#17654d}.deep-details{border-top:1px solid var(--line)}.deep-details:last-child{border-bottom:1px solid var(--line)}summary{padding:21px 0;cursor:pointer;font-weight:600;font-size:16px;list-style:none;display:flex;justify-content:space-between;gap:20px}summary:after{content:'+';color:var(--red);font-size:22px}details[open] summary:after{content:'−'}.details-body{max-width:900px;padding-bottom:22px;color:#536478;font-size:14px}.source-ref{font-size:11px;color:var(--muted);margin:14px 0 0}.tool-links{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:26px}.tool-link{border:1px solid var(--line);border-radius:5px;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:21px;font-size:14px}.tool-link span{color:var(--red);font-size:21px}.source-panel{background:var(--paper);padding:24px;font-size:13px;margin-top:30px;border-radius:5px;color:var(--muted)}.source-panel a{color:var(--navy);text-decoration:underline}.related-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}.related-links a{border:1px solid var(--line);border-radius:4px;padding:12px 17px;font-size:13px}.print-only{display:none}.saved-notice{font-size:11px;color:var(--muted);margin:20px 0 0}.page-actions{display:flex;gap:20px;flex-wrap:wrap}.app-error{padding:60px 5%}#quiz-status{scroll-margin-top:30px}
.lesson-layout>*{min-width:0}.two-col>*{min-width:0}
@media(min-width:1500px){.hero .wrap{padding-top:75px;padding-bottom:70px}}@media(max-width:1000px){.site-header{padding:0 5%}.hero .wrap{gap:30px}.hero h1{font-size:44px}.hero-drawing{padding:18px}.card-grid{grid-template-columns:repeat(2,1fr)}.section-heading{align-items:start}.search{width:250px}.lesson-layout{grid-template-columns:210px minmax(0,1fr);gap:20px}.step-panel{padding:25px}.learning-path{gap:25px;padding:30px}.article-heading{gap:5%}.tool-links{grid-template-columns:1fr}}
@media(max-width:700px){.site-header{height:auto;min-height:83px;padding-top:8px;padding-bottom:8px;gap:14px;flex-wrap:wrap}.brand img{width:85px;height:50px}.site-header nav{gap:18px;font-size:12px}.site-header nav a{padding:12px 0}.header-contact{display:none}.hero .wrap{grid-template-columns:1fr;padding:36px 0;gap:35px}.hero h1{font-size:42px}.hero p{font-size:15px}.hero-drawing svg{max-height:250px}.trust-strip .wrap{flex-direction:column;gap:7px;font-size:12px}.catalog{padding:38px 0}.section-heading{flex-direction:column;align-items:stretch;gap:20px}.search{width:100%}.card-grid{gap:15px}.course-content{padding:18px}.course-card h3{font-size:18px}.course-visual{height:130px}.course-meta{flex-wrap:wrap}.course-card p{font-size:12px}.learning-path,.book-band{grid-template-columns:1fr;gap:25px}.learning-path{padding:24px;margin-bottom:35px}.book-band{padding:30px 0}.article-heading{grid-template-columns:1fr;padding-top:5px;gap:25px}.article-heading h1{font-size:38px}.article-heading p{font-size:14px}.article-nav{gap:18px;font-size:11px}.lesson-area{padding:25px 0}.lesson-layout{grid-template-columns:1fr}.step-aside{position:static}.steps-list{display:flex;overflow-x:auto;padding-bottom:8px;gap:6px}.steps-list li{flex:0 0 175px}.step-button{height:100%;margin:0;padding:10px;font-size:12px}.step-aside .text-button{display:none}.progress-track{margin-bottom:13px}.step-panel{padding:23px 20px}.step-panel h2{font-size:25px}.step-body{font-size:14px}.step-controls{gap:8px}.step-controls .button{padding:11px 13px}.diagram-wrap{padding:20px 15px}.two-col{grid-template-columns:1fr;gap:25px}.article-section{padding:35px 0}.site-footer{grid-template-columns:1fr;gap:15px}.site-footer>div:nth-child(2){justify-content:start}.site-footer .preview-note{grid-column:1}.goal-box{padding-left:16px}.diagram-heading{align-items:start}.diagram-heading span{font-size:9px}.breadcrumb{font-size:11px}.book-band h2{font-size:28px}}
@media(max-width:420px){.card-grid{grid-template-columns:1fr}.course-visual{height:155px}.hero h1{font-size:36px}.site-header nav{gap:12px;font-size:11px}.article-heading h1{font-size:33px}.filter{font-size:11px;padding:9px 11px}.hero-actions .button{font-size:12px;padding:12px 16px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
@media print{.site-header,.site-footer,.step-aside,.step-controls,.article-nav,.diagram-wrap,.quiz,.page-actions,.related-links,.skip{display:none!important}.wrap{width:100%;max-width:none}.hero{background:white;color:black}.lesson-layout,.article-heading,.two-col{display:block}.step-panel{display:none}.print-only{display:block}.print-only section{margin:20px 0;break-inside:avoid}.article-section{padding:20px 0}.lesson-area{background:white;padding:0}.article-heading h1{font-size:30px}.goal-box{margin-top:20px}.details-body{display:block}details::details-content{content-visibility:visible}.checklist label{break-inside:avoid}body{font-size:11pt}.mistakes{padding:15px}.tool-links{display:block}.tool-link{padding:8px}.source-panel{font-size:10pt}}