:root{--green:#0b5c49;--green-dark:#073f34;--yellow:#f7c51e;--ink:#15352d;--muted:#637a73;--line:#d8e4df;--paper:#fff;--bg:#f4f8f6}*{box-sizing:border-box}body{margin:0;font:16px/1.55 "Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--bg)}a{text-decoration:none;color:inherit}.site-head{height:82px;background:#fff;border-bottom:3px solid var(--yellow);display:flex;align-items:center;padding:12px clamp(20px,5vw,72px);gap:24px}.site-head img{width:205px;height:55px;object-fit:contain;object-position:left center}.site-head .spacer{flex:1}.small-link{font-weight:800;color:var(--green)}main{max-width:1120px;margin:auto;padding:58px 24px 90px}.eyebrow{color:#9b7300;font-size:12px;font-weight:900;letter-spacing:.11em;text-transform:uppercase}.hero{display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center}.hero h1{font-size:clamp(40px,6vw,70px);line-height:1.02;letter-spacing:-.05em;margin:10px 0 18px}.lead{font-size:19px;color:var(--muted);max-width:760px}.panel,.course-card,.login-card{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:0 12px 35px rgba(10,74,57,.08)}.panel{padding:25px;border-top:7px solid var(--yellow)}.course-card{margin-top:42px;padding:30px;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:center}.course-card h2{font-size:28px;margin:4px 0 8px}.course-card p{margin:0;color:var(--muted)}.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.tag{border-radius:99px;background:#edf6f2;color:var(--green);padding:6px 10px;font-size:12px;font-weight:800}.button{display:inline-block;border:0;border-radius:11px;background:var(--green);color:#fff;padding:12px 18px;font-weight:850;cursor:pointer}.button:hover{background:var(--green-dark)}.button.yellow{background:var(--yellow);color:#473500}.login-wrap{max-width:520px;margin:45px auto}.login-card{padding:34px}.login-card h1{font-size:38px;line-height:1.1;margin:6px 0 10px}.field{margin-top:18px}.field label{display:block;font-weight:800;margin-bottom:6px}.field input{width:100%;padding:12px;border:1px solid #b9cec5;border-radius:9px;font:inherit}.field input:focus{outline:3px solid rgba(247,197,30,.35);border-color:#b88b00}.login-card .button{width:100%;margin-top:23px}.notice{padding:13px 15px;border-left:4px solid var(--yellow);background:#fff8d9;border-radius:8px;color:#5e4a06}.error{display:none;padding:12px;margin-top:15px;border-left:4px solid #ba3f32;background:#fff1ef;color:#803027;border-radius:8px}.foot{color:var(--muted);font-size:13px;text-align:center;margin-top:25px}@media(max-width:760px){.hero{grid-template-columns:1fr}.course-card{grid-template-columns:1fr}.site-head img{width:165px}.site-head .small-link{display:none}}