:root{--ink:#202124;--muted:#64676d;--line:#dedede;--soft:#f7f7f5}
*{box-sizing:border-box}
html{max-width:100%;overflow-x:hidden;scroll-behavior:smooth}
body{max-width:100%;margin:0;overflow-x:hidden;color:var(--ink);background:#fff;font-family:Arial,Helvetica,sans-serif}
a{color:inherit;text-decoration:none}
nav{height:56px;padding:0 max(20px,calc((100vw - 1180px)/2));border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px;background:#fff}
.logo img{display:block;width:112px}
nav>div{display:flex;align-items:center;gap:18px;font-size:12px}
nav a:hover{text-decoration:underline}
.nav-cta{padding:9px 12px;border-radius:4px;background:var(--ink);color:#fff}
.hero{max-width:1180px;margin:0 auto;padding:48px 0 34px}
.hero>div{min-width:0;max-width:760px}
.tag{display:inline-block;padding:5px 7px;border-radius:3px;background:#f0f1ed;color:#555;font-size:10px;letter-spacing:.05em}
h1{margin:18px 0 12px;font-size:clamp(38px,5vw,62px);line-height:1.02;letter-spacing:-.035em;overflow-wrap:anywhere}
.hero p{max-width:660px;margin:0;color:#454545;font-size:16px;line-height:1.6}
.actions{margin-top:20px}
.button{display:inline-block;padding:10px 14px;border-radius:4px;background:var(--ink);color:#fff;font-size:13px}
main{border-top:1px solid var(--line)}
.catalog-section{max-width:1180px;margin:0 auto;padding:40px 0 64px}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:20px}
.section-head small{color:var(--muted);font-size:10px;letter-spacing:.06em}
h2{margin:8px 0 0;font-size:clamp(28px,3.5vw,42px);line-height:1.08;letter-spacing:-.025em}
.section-head>p{max-width:360px;margin:0;color:var(--muted);font-size:13px;line-height:1.55}
.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.course-card{min-width:0;min-height:205px;padding:16px;border:1px solid var(--line);border-radius:4px;display:flex;flex-direction:column;background:#fff}
.course-card:hover{border-color:#888}
.course-top{color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.04em}
.course-icon{margin:20px 0 8px;color:#777;font-size:12px;font-weight:700}
.course-card h3{margin:0 0 7px;font-size:19px;line-height:1.25;letter-spacing:-.015em;overflow-wrap:anywhere}
.course-card p{margin:0;color:var(--muted);font-size:12px;line-height:1.55;overflow-wrap:anywhere}
.course-foot{margin-top:auto;padding-top:16px}
.course-foot a{font-size:12px;text-decoration:underline}
footer{padding:24px max(20px,calc((100vw - 1180px)/2));border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:#555;font-size:12px}
footer a{text-decoration:underline}
@media(max-width:1220px){.hero,.catalog-section{margin-inline:20px}}
@media(max-width:850px){.course-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.section-head{display:block}.section-head>p{margin-top:10px}.hero{padding-top:34px}}
@media(max-width:560px){nav{padding-inline:14px}nav>div>a:not(.nav-cta){display:none}.hero,.catalog-section{margin-inline:16px}.hero{padding:30px 0 26px}.catalog-section{padding:30px 0 48px}.course-grid{grid-template-columns:minmax(0,1fr)}.course-card{min-height:0}.course-icon{margin-top:16px}footer{padding:22px 16px;display:block}footer span{display:block;margin-top:8px}}