@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Playfair+Display:wght@500;600;700&display=swap');
:root{--blue:#143bc4;--navy:#101d42;--ink:#18243d;--muted:#657087;--line:#e1e6ee;--gold:#c59546;--paper:#f4f7fc}*{box-sizing:border-box}body{margin:0;font-family:'DM Sans',Arial,sans-serif;color:var(--ink);background:#fff;font-size:16px;line-height:1.65}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}a:hover{color:var(--blue)}:focus-visible{outline:3px solid #f0bd62;outline-offset:4px}.preview{background:var(--navy);color:#fff;font-size:12px;letter-spacing:1px;padding:7px 5%;display:flex;gap:18px}.preview span{font-size:12px;letter-spacing:0;color:#c4cfe8}header{max-width:1280px;margin:auto;display:flex;align-items:center;gap:40px;padding:22px 40px}.brand{display:flex;align-items:center;gap:12px;font-size:26px;letter-spacing:1px;line-height:1.15}.brand img{width:64px;height:64px;object-fit:contain}.brand b{color:var(--blue)}.brand small{display:block;letter-spacing:0;font-size:12px;margin-top:7px;color:var(--muted)}nav{display:flex;gap:30px;margin-left:auto;font-size:15px;font-weight:600}.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--blue);color:white;border:1px solid var(--blue);padding:13px 25px;border-radius:7px;font-weight:600;min-height:48px;line-height:1.4}.btn:hover{background:#0d2990;color:#fff}.btn.secondary{background:white;color:var(--ink);border-color:var(--line)}.btn.small{padding:10px 18px;font-size:14px}.btn:disabled{opacity:.45;cursor:default}.wrap{max-width:1200px;margin:auto;padding:35px 40px 70px}.hero{display:grid;grid-template-columns:1fr 1fr;min-height:460px;background:var(--navy);color:#fff;border-radius:12px;overflow:hidden}.hero-copy{padding:50px 45px}.eyebrow{color:var(--blue);font-size:12px;font-weight:700;letter-spacing:2px;display:block;margin-bottom:16px}.hero .eyebrow{color:#a9bcff}h1,h2,h3,p{margin-top:0}h1,h2,.serif{font-family:'Playfair Display',Georgia,serif;font-weight:500;line-height:1.15}h1{font-size:52px;margin-bottom:24px;letter-spacing:-1px}h2{font-size:36px;margin-bottom:18px}h3{font-size:21px;line-height:1.35}.hero p{color:#c7d1e5;font-size:17px;max-width:400px}.hero .btn{background:#fff;color:var(--navy);border-color:white}.hero-image{background:url('assets/course-art.webp') center/cover;min-height:340px;position:relative}.hero-image:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#101d42 0%,transparent 25%)}.quote{position:absolute;bottom:24px;right:28px;left:48px;z-index:1;font-family:Georgia,serif;font-size:22px;color:white}.quote small{display:block;font:12px Arial,sans-serif;margin-top:10px;letter-spacing:2px}.facts{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line);padding:26px 5px;margin-bottom:48px;color:var(--muted);font-size:14px}.facts strong{color:var(--ink);margin-right:7px}.section-top{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:26px}.section-top h2{margin-bottom:8px}.section-top p{color:var(--muted);margin-bottom:0}.pill{display:inline-flex;border:1px solid var(--line);padding:6px 12px;border-radius:30px;font-size:12px;font-weight:600;background:white}.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}.card{border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:transform .2s,box-shadow .2s;background:white}.card:hover{transform:translateY(-3px);box-shadow:0 12px 30px #1627520d}.cover{height:170px;background:linear-gradient(90deg,#14245270,transparent),url('assets/course-art.webp') center 55%/cover;position:relative}.cover .pill{position:absolute;bottom:16px;left:22px;color:var(--navy)}.cover.two{background-position:center 90%}.cover.three{background-position:right 40%}.cover.four{background-position:left 75%}.card-body{padding:25px}.card p{font-size:15px;color:var(--muted)}.card .meta{display:flex;gap:15px;font-size:13px;color:var(--muted);margin-bottom:18px}.card h3{margin-bottom:12px}.card-bottom{border-top:1px solid var(--line);padding-top:17px;display:flex;align-items:center;justify-content:space-between;font-size:14px}.text-link{color:var(--blue);font-weight:700}.invite{margin-top:50px;background:var(--paper);padding:32px;display:grid;grid-template-columns:1.5fr 1fr;gap:35px;border-radius:10px}.invite p{color:var(--muted);margin-bottom:0}.invite h2{font-size:28px}.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:28px}.detail{display:grid;grid-template-columns:1.6fr 1fr;gap:50px}.detail h1{font-size:44px}.lead{font-size:18px;color:var(--muted)}.panel{border:1px solid var(--line);padding:28px;border-radius:10px;height:fit-content}.panel h3{margin-top:0}.panel .btn{width:100%;margin-top:16px}.list{padding-left:20px}.list li{margin-bottom:14px}.syllabus{margin-top:36px}.syllabus article{display:flex;gap:20px;border-top:1px solid var(--line);padding:22px 0}.num{color:var(--blue);font-size:18px;font-weight:700}.syllabus h3{font-size:18px;margin-bottom:5px}.syllabus p{color:var(--muted);margin:0;font-size:14px}.note{background:#edf2ff;border-left:3px solid var(--blue);padding:16px 20px;font-size:14px;margin:22px 0}.learning{display:grid;grid-template-columns:250px 1fr;gap:45px}.lesson-nav{position:sticky;top:20px;height:fit-content}.lesson-nav button{display:block;width:100%;text-align:left;background:white;border:0;border-bottom:1px solid var(--line);padding:18px 12px;font-size:14px}.lesson-nav button.active{background:#edf2ff;color:var(--blue);border-radius:6px;font-weight:700}.reading{max-width:720px}.reading h1{font-size:42px}.reading p{font-size:18px;line-height:1.9}.reading h2{font-size:27px;margin-top:32px}.reading blockquote{margin:28px 0;padding:24px 30px;background:var(--paper);border-left:3px solid var(--gold);font:23px/1.55 Georgia,serif}.progress{height:7px;background:#e5eaf5;border-radius:20px;overflow:hidden;margin:14px 0}.progress i{height:100%;background:var(--blue);display:block}.quiz{padding:25px;border:1px solid var(--line);border-radius:10px;margin-top:36px}.quiz h2{margin-top:0}.quiz fieldset{border:0;padding:0;margin-bottom:25px}.quiz legend{font-weight:700;margin-bottom:12px}.quiz label{display:flex;align-items:start;gap:12px;padding:12px;border:1px solid var(--line);border-radius:6px;margin-bottom:8px;cursor:pointer}.quiz input{margin-top:6px;accent-color:var(--blue)}.feedback{padding:14px;background:#edf2ff;margin-top:14px;border-radius:6px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:25px}.empty{text-align:center;padding:70px 20px;background:var(--paper);border-radius:12px}.certificate{position:relative;text-align:center;border:1px solid #bc9a61;outline:8px solid #f1e7d6;outline-offset:-14px;padding:65px 45px;background:white;margin:30px auto;max-width:950px}.certificate img{width:100px;height:100px;object-fit:contain}.certificate .eyebrow{color:#8b6932}.certificate h1{font-size:40px;color:var(--navy)}.certificate .student{font-family:Georgia,serif;font-size:36px;border-bottom:1px solid #d0d6e3;padding:12px 20px;display:inline-block}.certificate .course-name{font-size:22px;font-weight:700}.certificate-bottom{display:flex;justify-content:space-around;font-size:13px;margin-top:35px}.demo-stamp{font-size:13px;color:#805f28;letter-spacing:2px;margin-top:20px}.about{max-width:800px;margin:auto}.about h1{font-size:48px}.about p{font-size:18px}.about img{width:160px;float:right;margin:0 0 25px 30px}.import-box{display:block;padding:30px;border:2px dashed #b8c5df;border-radius:10px;background:var(--paper);margin:25px 0}.import-box input{display:block;margin-top:16px;width:100%}footer{background:var(--navy);color:#c8d1e8;padding:45px max(5%,calc((100% - 1120px)/2));display:grid;grid-template-columns:2fr 1.3fr 1fr;gap:30px;font-size:14px}footer strong{color:#fff;font-size:20px;font-family:Georgia,serif}footer a{display:block;margin-bottom:7px}footer a:hover{color:white}.footer-note{grid-column:1/-1;border-top:1px solid #344262;padding-top:20px;font-size:12px}.footer-note a{display:inline}dialog{border:0;border-radius:12px;padding:36px;max-width:480px;width:calc(100% - 32px);box-shadow:0 20px 100px #0003}dialog::backdrop{background:#101d4299}dialog h2{font-size:32px}dialog label{display:block;font-weight:600;margin-bottom:8px}dialog input{width:100%;border:1px solid #aab5ca;padding:12px;border-radius:6px}dialog .btn{width:100%}.hint{font-size:13px;color:var(--muted);margin-top:15px}.close{position:absolute;right:15px;top:8px;background:none;border:0;font-size:28px;color:var(--muted)}
@media(max-width:800px){header{padding:18px 20px;gap:18px;flex-wrap:wrap}.brand{font-size:22px}.brand img{width:48px;height:48px}.brand small{font-size:11px}nav{order:3;width:100%;margin:0;justify-content:space-between;gap:12px;font-size:14px}header>.btn{margin-left:auto}.wrap{padding:20px 20px 45px}.hero{grid-template-columns:1fr}.hero-copy{padding:32px 28px}h1{font-size:39px}.hero-image{min-height:240px}.hero-image:after{background:linear-gradient(180deg,#101d42,transparent 30%)}.quote{font-size:20px;left:28px}.facts{flex-wrap:wrap;gap:10px;padding:20px 0;margin-bottom:32px}.grid{grid-template-columns:1fr}.section-top{align-items:start}.section-top h2{font-size:30px}.invite,.detail,.learning{grid-template-columns:1fr;gap:24px}.detail h1,.reading h1{font-size:35px}.lesson-nav{position:static}.lesson-nav button{padding:12px}.reading p{font-size:17px}.certificate{padding:45px 22px}.certificate h1{font-size:30px}.certificate .student{font-size:27px}.certificate-bottom{gap:15px;flex-wrap:wrap}footer{grid-template-columns:1fr;gap:20px;padding:35px 24px}.preview{font-size:10px;padding:7px 20px;display:block}.preview span{display:block;font-size:11px}.about h1{font-size:38px}.about img{width:110px}.cover{height:190px}}
@media print{.preview,header,footer,.actions,.breadcrumb,.no-print{display:none!important}.wrap{padding:0}.certificate{margin:0;max-width:none;break-inside:avoid}body{print-color-adjust:exact;-webkit-print-color-adjust:exact}@page{size:A4 landscape;margin:12mm}}