:root{--pink:#df236d;--ink:#282235;--muted:#787482;--line:#eee8ec;--soft:#fff1f6;--green:#238467}*{box-sizing:border-box}body{margin:0;background:#fcfafb;color:var(--ink);font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;font-size:15px}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #9c3df0;outline-offset:4px}.skip{position:absolute;left:20px;top:-80px;z-index:10;background:white;padding:15px}.skip:focus{top:15px}.sidebar{width:244px;position:fixed;height:100dvh;background:white;border-right:1px solid var(--line);padding:35px 22px;display:flex;flex-direction:column}.brand{padding:0 15px 30px;display:block}.brand img{width:170px;height:auto;display:block}.brand small{display:block;width:170px;font-size:10px;letter-spacing:3.5px;color:#9a7286;text-align:center;margin-top:0}nav{display:grid;gap:10px}nav a{padding:14px 19px;border-radius:13px;color:#77717e;font-weight:600;display:flex;gap:17px;align-items:center}nav a.active{background:var(--soft);color:var(--pink)}.side-note{margin-top:auto;border:1px solid #f5dfe9;background:linear-gradient(135deg,#fff6fa,#fff);padding:20px;border-radius:18px}.side-note h3{font-size:18px;line-height:1.5}.side-note p{font-size:12px;color:var(--muted);line-height:1.7}.pill{font-size:10px;font-weight:800;letter-spacing:1.4px;color:var(--pink)}.profile{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);margin-top:25px;padding-top:23px}.avatar{width:39px;height:39px;display:grid;place-items:center;border-radius:13px;background:#f7d9e7;color:#a52259}.profile small{display:block;margin-top:5px;font-size:11px;color:var(--muted)}.workspace{margin-left:244px}header{height:85px;display:flex;align-items:center;justify-content:space-between;padding:0 45px;border-bottom:1px solid var(--line);background:#fff}header>span{font-size:10px;letter-spacing:2px;font-weight:700;color:#8a7f89}header>div{display:flex;gap:12px;align-items:center}.tag,.demo{font-size:11px;padding:7px 12px;border:1px solid var(--line);border-radius:20px}.demo{color:#8b687c;background:#fff6fa}main{max-width:1250px;margin:auto;padding:40px 45px;min-height:75vh}h1{font-size:34px;letter-spacing:-1px;margin:10px 0}h2{font-size:21px;letter-spacing:-.5px}h3{margin:10px 0}p{line-height:1.7}.muted{color:var(--muted)}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:800;color:var(--pink)}.intro{margin-bottom:28px}.intro p{margin:8px 0;color:var(--muted)}.hero{display:grid;grid-template-columns:1.5fr 1fr;background:linear-gradient(120deg,#ffe9f2,#fff5ec);border:1px solid #f7dce8;border-radius:24px;padding:32px;position:relative;overflow:hidden;gap:25px}.hero h2{font-size:30px;margin:12px 0}.hero p{color:#866a77;max-width:380px;font-size:14px}.hero .visual{align-self:center;text-align:center;font-size:76px;letter-spacing:-18px;transform:rotate(-8deg);padding-right:20px}.button{border:0;border-radius:11px;background:linear-gradient(130deg,#f4468d,#d91460);color:white;font-size:13px;font-weight:700;display:inline-block;padding:14px 21px}.button.secondary{background:white;color:var(--ink);border:1px solid var(--line)}.button.small{padding:10px 16px}.row{display:flex;align-items:center;justify-content:space-between;gap:12px}.section-head{margin-top:30px}.section-head a{font-size:12px;color:var(--pink);font-weight:600}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.card{background:white;border:1px solid var(--line);border-radius:18px;padding:22px}.skill{display:flex;gap:14px;align-items:center;transition:transform .15s}.skill:hover{transform:translateY(-3px);border-color:#f3b4d0}.icon{width:43px;height:43px;display:grid;place-items:center;border-radius:13px;background:var(--soft);font-size:20px;color:var(--pink);flex-shrink:0}.skill h3{font-size:14px;margin:0 0 5px}.skill p{font-size:11px;color:var(--muted);margin:0}.lower{display:grid;grid-template-columns:1.4fr 1fr;gap:18px;margin-top:25px}.track{height:7px;background:#f5edf1;border-radius:8px;overflow:hidden;margin:15px 0}.fill{height:100%;background:var(--pink);width:0}.track.done .fill{width:100%}.smalltext{font-size:12px}.breadcrumb{font-size:12px;color:var(--muted);margin-bottom:25px}.breadcrumb a{color:var(--pink)}.lesson-list{display:grid;gap:13px;margin-top:20px}.lesson-row{display:flex;gap:15px;align-items:center;padding:21px;background:white;border:1px solid var(--line);border-radius:16px}.lesson-row h3{font-size:15px;margin:0 0 7px}.lesson-row p{font-size:12px;color:var(--muted);margin:0}.lesson-row .state{margin-left:auto;font-size:11px;color:var(--muted);white-space:nowrap}.lesson-row.available{border-color:#f1bbd2}.lesson-row.available .state{color:var(--pink)}.lesson-wrap{max-width:720px;margin:auto}.lesson-panel{background:white;padding:32px;border:1px solid var(--line);border-radius:22px;margin-top:24px}.lesson-panel h2{font-size:26px}.example{padding:20px;background:var(--soft);border-radius:14px;margin:22px 0;line-height:1.8}.answers{display:grid;gap:11px;margin:24px 0}.answer{border:1px solid var(--line);background:white;border-radius:12px;text-align:left;padding:17px;color:var(--ink)}.answer.selected{border:2px solid var(--pink);background:var(--soft);padding:16px}.feedback{padding:18px;border-radius:12px;background:#fff3e6;color:#79521b;margin:18px 0;line-height:1.6}.feedback.good{background:#e9f8f1;color:#22654f}.complete{text-align:center;padding:30px 0}.complete .big{font-size:60px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.stats strong{font-size:27px;display:block;color:var(--pink)}footer{font-size:10px;color:#9b9097;padding:20px 45px;text-align:center}#notice{position:fixed;bottom:20px;right:20px;max-width:360px;background:#302435;color:white;border-radius:12px;padding:0;z-index:20}#notice:not(:empty){padding:16px 20px}.empty{padding:25px;color:var(--muted);line-height:1.8}.status-note{font-size:11px;color:#8e7381;margin-top:15px}.section-sub{color:var(--muted);font-size:13px}button.link{background:none;border:0;color:var(--pink);padding:0;font-size:12px;font-weight:700}
@media(min-width:1400px){main{padding-top:50px}.hero{padding:40px}.grid{gap:20px}}@media(max-width:1000px){.sidebar{width:200px;padding:30px 15px}.brand{padding-left:0}.brand img{width:155px}.workspace{margin-left:200px}header{padding:0 25px}main{padding:30px 25px}.grid{grid-template-columns:repeat(2,1fr)}.hero .visual{font-size:58px}.lower{grid-template-columns:1fr}}@media(max-width:650px){.sidebar{height:auto;width:100%;position:static;border-right:0;padding:15px 18px 0}.brand{padding:0 0 10px}.brand img{width:120px}.brand small{font-size:8px;letter-spacing:2px}.side-note,.profile{display:none}nav{display:flex;gap:2px;justify-content:space-between}nav a{padding:11px 12px;gap:6px;font-size:13px;border-radius:10px 10px 0 0}.workspace{margin-left:0}header{height:56px;padding:0 18px}header>span{font-size:8px;letter-spacing:1px}.demo{font-size:9px;padding:6px 8px}.tag{display:none}main{padding:25px 18px}h1{font-size:28px}.hero{padding:24px;grid-template-columns:1fr}.hero .visual{display:none}.hero h2{font-size:26px}.grid{gap:10px}.card{padding:16px}.skill{gap:9px}.icon{width:34px;height:34px;font-size:16px}.skill h3{font-size:12px}.skill p{font-size:10px}.lesson-panel{padding:22px}.lesson-row{padding:15px;gap:10px}.lesson-row .state{font-size:9px}.lesson-row h3{font-size:13px}.stats{grid-template-columns:1fr}.row.section-head h2{font-size:19px}footer{padding:18px;font-size:9px}}

/* Approved dual speech-bubble logo; viewports preserve the original raster pixels. */
.brand .brand-lockup{display:block;width:170px;height:auto;overflow:visible}
@media(max-width:1000px){.brand .brand-lockup,.brand small{width:155px}}
@media(max-width:650px){.brand .brand-lockup,.brand small{width:120px}}