:root{color-scheme:dark;--bg:#11151b;--panel:#191e26;--line:#333944;--text:#f3f1ec;--muted:#b7bdc7;--pink:#ec477e;--soft:#ff87ae}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 Arial,Helvetica,sans-serif}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button,a,input,summary{touch-action:manipulation}button{color:inherit}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{outline:3px solid #ffb1ce;outline-offset:4px}button[aria-pressed=true]{border-color:var(--pink);background:#ec477e1f;color:var(--soft)}.site-header,main,footer{max-width:1180px;margin:auto}.site-header{padding:28px 32px;display:flex;gap:28px;align-items:center;border-bottom:1px solid var(--line)}.brand{font-weight:900;letter-spacing:1px;font-size:24px;line-height:1.1}.brand span{color:var(--pink)}.brand small{display:block;color:#949aa4;font-size:9px;letter-spacing:3px;margin-top:7px}nav{margin-left:auto;color:#c2c6cd;font-size:13px}.lang{display:flex;gap:4px}.lang button{border:1px solid transparent;background:transparent;border-radius:8px;padding:8px 11px;color:#adb2bc}.lang button[aria-pressed=true]{background:var(--pink);color:white}main{padding:0 32px}.skip-link{position:absolute;top:-100px;left:20px;z-index:2;background:var(--pink);padding:12px}.skip-link:focus{top:10px}.block-intro{padding:68px 0 36px;max-width:960px}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:bold;color:var(--pink)}h1{font-size:clamp(40px,5.7vw,70px);line-height:1.08;letter-spacing:-2.7px;margin:18px 0 26px}h1 span{color:var(--pink)}.lead{font-size:19px;color:var(--muted);max-width:800px}h2{font-size:clamp(27px,3vw,38px);line-height:1.2;letter-spacing:-1px;margin:10px 0 22px}h3{line-height:1.3}.facts{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}.facts span{background:#1b2029;border:1px solid var(--line);padding:8px 13px;border-radius:7px;font-size:12px;color:#d3d7dd}.hint{font-size:12px;color:#959ca7}.before-start{padding:26px 30px;background:#1b2029;border:1px solid var(--line);border-radius:15px}.before-start h2{font-size:23px;margin:0 0 18px}.before-start ul{padding-left:20px;color:var(--muted);font-size:14px;margin-bottom:0}.before-start li{padding-bottom:10px}.classroom-note{font-size:13px;color:#e8c2d0;border-top:1px solid var(--line);padding-top:16px;margin-bottom:0}.route{margin:52px 0 40px}.route-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:35px}.route h3{font-size:15px;margin:0 0 14px}.choices{display:flex;gap:8px;flex-wrap:wrap}.choices button{padding:10px 14px;background:#252b35;border:1px solid #424a59;border-radius:7px;font-size:13px}.selected-track{border-top:1px solid var(--line);padding-top:26px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:24px}.section-heading h2{margin-bottom:8px}.progress{font-size:12px;color:var(--soft);max-width:230px;text-align:right}.lesson-card{background:var(--panel);border:1px solid var(--line);border-radius:15px;padding:30px;margin-top:24px}.lesson-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid var(--line);padding-bottom:17px}.lesson-heading h3{font-size:25px;margin:5px 0 0;letter-spacing:-.5px}.lesson-id{font:12px/1.3 monospace;color:var(--pink)}.lesson-number{font-size:48px;color:#303947;font-weight:bold}.result{font-size:15px;color:#dce0e6;border-left:3px solid var(--pink);padding-left:16px;margin:24px 0}.sources{font-size:12px;color:#959ca7;margin-top:18px}.sources a,.content a,.fallback a{color:var(--soft);text-decoration:underline;text-underline-offset:3px}.content{color:var(--muted);font-size:14px;max-width:920px}.steps{padding-left:22px;margin:18px 0 24px}.steps li{padding:7px 0 7px 8px}.steps li::marker{color:var(--pink);font-weight:bold}strong{color:#e1e5ec;font-weight:bold}code{color:#f2d2de;border:1px solid #3b414c;background:#242a35;border-radius:4px;padding:1px 4px;font-size:.92em;overflow-wrap:anywhere}.section-label{margin:22px 0 12px;font-size:15px;color:#f3f1ec}.checks{list-style:none;padding:0;margin:0;display:grid;gap:8px}.checks label{display:flex;gap:12px;align-items:flex-start;padding:12px 14px;background:#202631;border:1px solid var(--line);border-radius:8px;font-size:13px;color:#c6cbd3;cursor:pointer}.checks input{flex-shrink:0;width:18px;height:18px;accent-color:var(--pink);margin-top:2px}.submit-box{background:#ec477e0c;border:1px solid #ec477e3d;border-radius:10px;padding:17px 20px;margin-top:24px}.submit-box .section-label{margin:0 0 8px}.submit-box p{margin:0;font-size:13px;color:#c6cbd3}.age-note{margin-top:18px;font-size:13px;color:#c6cbd3}.age-note b{color:#f2d2de}.helper{margin-top:25px;border-top:1px solid var(--line);padding-top:22px}.helper summary{font-size:15px;color:var(--soft);font-weight:bold;cursor:pointer}.helper p{font-size:13px;color:var(--muted)}.helper video{width:100%;max-width:860px;display:block;background:#10151b;aspect-ratio:16/9;border:1px solid var(--line);border-radius:10px}.helper-links{display:flex;justify-content:space-between;max-width:860px;gap:16px;align-items:center;margin-top:12px;font-size:12px}.helper-links a{color:var(--soft);text-decoration:underline}.media-status{max-width:860px}.media-status[hidden]{display:none}.support{padding:38px;margin:58px 0;background:linear-gradient(120deg,#27212d,#1a2029);border:1px solid var(--line);border-radius:15px}.support>p:not(.eyebrow):not(.hint){max-width:850px;color:var(--muted);font-size:15px}.primary{display:inline-block;background:var(--pink);border-radius:9px;padding:14px 20px;color:#fff;font-weight:bold;font-size:14px}.primary:hover{background:#ff6092}.fallback{color:var(--muted);font-size:14px}footer{display:flex;justify-content:space-between;gap:24px;border-top:1px solid var(--line);padding:30px 32px;color:#858d99;font-size:11px}footer p{margin:0;max-width:610px}
@media(max-width:800px){.site-header{padding:20px;gap:18px;flex-wrap:wrap}.brand{font-size:21px}.lang{margin-left:auto}nav{order:3;width:100%;margin:0}main{padding:0 20px}.block-intro{padding-top:38px}h1{letter-spacing:-1.5px}.lead{font-size:17px}.route-grid{grid-template-columns:1fr;gap:22px}.lesson-card{padding:23px}.section-heading{align-items:flex-start}.progress{max-width:150px}.support{padding:25px}footer{padding:26px 20px;flex-direction:column;gap:10px}.before-start{padding:23px}}@media(max-width:500px){.lesson-heading h3{font-size:22px}.lesson-number{font-size:38px}.section-heading{display:block}.progress{text-align:left;max-width:none}.lesson-card{padding:20px}.helper-links{align-items:flex-start;flex-direction:column;gap:7px}.facts{gap:6px}.facts span{font-size:11px}.choices button{font-size:12px}.checks label{padding:11px}.support h2{font-size:28px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.source-open{display:inline-block;padding:12px 16px;background:#252b35;border:1px solid #57505f;border-radius:8px;color:var(--soft);font-size:13px;font-weight:bold}.source-open:hover{border-color:var(--pink);background:#ec477e14}.source-open small{display:block;margin-top:4px;color:var(--muted);font-size:11px;font-weight:normal;overflow-wrap:anywhere}.sources ul{padding-left:20px}.sources li{margin:8px 0}
.status{color:#e8c2d0;border-left:3px solid var(--pink);padding:10px 16px;margin-top:28px;font-size:13px}.route-grid{grid-template-columns:1fr 1fr}.outline-heading{display:flex;justify-content:space-between;gap:20px;align-items:center}.outline-heading h3{font-size:20px}.outline-note{font-size:14px;color:var(--muted);max-width:850px}.public-outline{list-style:none;padding:0;margin:24px 0;display:grid;grid-template-columns:1fr 1fr;gap:12px}.public-outline li{display:flex;flex-direction:column;gap:8px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px;color:#dce0e6;font-size:15px}.lesson-label{font-size:11px;color:var(--pink);letter-spacing:1px}.access-heading{display:flex;gap:32px;justify-content:space-between;align-items:flex-start}.price{max-width:330px}.price strong{font-size:31px;color:var(--soft);line-height:1.2}.price p{font-size:12px;color:var(--muted);margin:10px 0}.access-steps{padding-left:22px;color:var(--muted);font-size:14px}.access-steps li{padding:8px}.access-steps li::marker{color:var(--pink);font-weight:bold}.access-note{font-size:13px;color:#e8c2d0;border-top:1px solid var(--line);padding-top:18px}.request-line{background:#11151b;border:1px solid #45414c;border-radius:8px;padding:15px 18px;color:var(--text);font-size:14px;user-select:all;overflow-wrap:anywhere}.request-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.secondary{border:1px solid #57505f;background:#252b35;color:#e1e5ec;border-radius:9px;padding:14px 20px;font-size:13px}.secondary:hover{border-color:var(--pink)}@media(max-width:800px){.route-grid{grid-template-columns:1fr}.access-heading{display:block}.price{max-width:none;margin:20px 0}.outline-heading{display:block}}@media(max-width:500px){.public-outline{grid-template-columns:1fr}.public-outline li{padding:17px}.request-actions{align-items:stretch;flex-direction:column}.request-actions a,.request-actions button{text-align:center}.price strong{font-size:28px}}