@font-face{font-family:AccountSans;src:local(Arial)}:root{--paper:#f6f5ee;--ink:#244a3c;--muted:#68756b;--sage:#e8ecdf;--line:#d2dac8;--serif:Georgia,'Times New Roman',serif}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:18px/1.7 Arial,sans-serif}a{color:inherit;text-underline-offset:5px}a:hover{text-decoration:underline}button,input{font:inherit}.wrap{width:min(1200px,calc(100% - 80px));margin-inline:auto}.header{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-block:25px;border-bottom:1px solid var(--line)}.header img{display:block;max-width:100%;height:auto;mix-blend-mode:multiply}.header nav{display:flex;align-items:center;gap:28px;flex-wrap:wrap}.header a{text-decoration:none}.header form{margin:0}.text-button{border:0;background:none;color:inherit;padding:0;cursor:pointer}.main{padding-top:64px;padding-bottom:90px;min-height:68vh}h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.15;letter-spacing:-1px;margin:0 0 24px}h1{font-size:clamp(38px,4.8vw,66px);max-width:19ch}h2{font-size:34px}.intro{font-size:21px;color:var(--muted);max-width:65ch}.page-heading{margin-bottom:44px}.course-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.course-card{background:var(--sage);border:1px solid var(--line);padding:36px;border-radius:7px;display:flex;flex-direction:column}.course-card h2{font-size:34px}.course-card h2 a{text-decoration:none}.course-card p{color:var(--muted)}.course-symbol,.empty-symbol{font-size:52px;line-height:1;color:#869672;margin-bottom:25px}.button{display:inline-block;border:1px solid var(--ink);border-radius:3px;background:var(--ink);color:var(--paper);padding:15px 24px;text-decoration:none;cursor:pointer;text-align:center;align-self:flex-start}.button:hover{background:#355e4a;text-decoration:none}.course-card .button{margin-top:auto}.auth-panel{max-width:520px;margin:0 auto;background:var(--sage);padding:40px;border:1px solid var(--line);border-radius:7px}.auth-panel h1{font-size:43px}.auth-panel label{display:block;margin-bottom:20px}.auth-panel input{display:block;width:100%;border:1px solid #a9b69e;border-radius:3px;background:var(--paper);padding:12px 14px;color:var(--ink);margin-top:8px}.auth-panel button{margin:4px 0 22px}.notice{background:#e4eadb;border:1px solid #a1b294;border-radius:4px;padding:16px 22px;margin-bottom:28px}.notice p{margin:0}.error{background:#f4e7df;color:#763820}.empty{grid-column:1/-1;max-width:730px;padding:48px;background:var(--sage);border:1px solid var(--line);border-radius:7px}.empty p{color:var(--muted)}.footer{border-top:1px solid var(--line);padding-block:25px;color:var(--muted);font-size:15px}.skip{position:absolute;left:-9999px}.skip:focus{left:20px;top:10px;background:var(--paper);z-index:30;padding:12px}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #849568;outline-offset:5px}.progress-caption{display:flex;justify-content:space-between;gap:20px;font-size:16px}.progress-panel{background:var(--sage);padding:28px;margin-bottom:48px;border-radius:6px}progress{display:block;appearance:none;width:100%;height:7px;margin:12px 0 28px;border:0;border-radius:9px;overflow:hidden}progress::-webkit-progress-bar{background:#d7dfcc}progress::-webkit-progress-value{background:#7e936b}progress::-moz-progress-bar{background:#7e936b}.breadcrumb{display:inline-block;margin-bottom:28px;color:var(--muted)}.lesson-list{list-style-position:inside;padding:0;margin:24px 0}.lesson-list li{border-top:1px solid var(--line);padding:18px 0}.lesson-list li a{display:inline-flex;justify-content:space-between;width:90%;gap:20px;text-decoration:none}.completed-label{font-size:15px;color:#6d825a}.lesson-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:48px;align-items:start}.lesson-title{font-size:clamp(35px,4vw,56px);max-width:28ch}.lesson-text{white-space:normal;overflow-wrap:anywhere}.lesson-sidebar{background:var(--sage);border:1px solid var(--line);border-radius:6px;padding:25px;position:sticky;top:20px}.lesson-sidebar h2{font-size:27px}.lesson-sidebar a{display:flex;justify-content:space-between;gap:12px;padding:14px 0;border-top:1px solid var(--line);font-size:16px;text-decoration:none}.lesson-sidebar a[aria-current]{font-weight:bold}.video-frame{aspect-ratio:16/9;background:#dfe6d8;margin-bottom:32px}.video-frame iframe{border:0;width:100%;height:100%}.materials{margin-top:38px}.materials a{display:flex;justify-content:space-between;padding:17px 0;border-block-start:1px solid var(--line);gap:20px}.complete-form{margin-top:38px}.lesson-pagination{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:30px}@media(max-width:900px){.lesson-layout{grid-template-columns:1fr}.lesson-sidebar{position:static}.header{align-items:flex-start}.header nav{gap:16px;font-size:16px}}@media(max-width:650px){body{font-size:17px}.wrap{width:calc(100% - 40px)}.header{flex-direction:column;padding-block:20px;gap:20px}.header img{width:210px}.header nav{gap:20px}h1{font-size:43px;letter-spacing:-1.4px;overflow-wrap:break-word}.main{padding-block:40px 60px}.course-grid{grid-template-columns:1fr}.course-card{padding:26px}.course-card h2{font-size:30px}.auth-panel{padding:26px 22px}.auth-panel h1{font-size:35px}.intro{font-size:18px}.empty{padding:28px}.button{font-size:16px}.lesson-list li a{width:86%}.footer{font-size:14px}}