.course-main{max-width:1200px;margin:0 auto;padding:60px 5% 90px}.course-main h1{font-size:clamp(38px,6vw,70px);line-height:1.08;letter-spacing:-2px}.course-heading{max-width:760px;margin-bottom:48px}.course-heading h1 em{font-style:normal}.course-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:28px}.course-card{border:1px solid #ddd;border-radius:12px;overflow:hidden;background:#fff}.course-cover{min-height:230px;padding:30px;background:#171717;color:#fff;border-bottom:6px solid #c8102e;display:flex;flex-direction:column;justify-content:space-between;gap:32px}.course-cover span{color:#ff6978;font-size:12px;font-weight:700;letter-spacing:2px}.course-cover strong{font-size:36px;line-height:1.15;max-width:550px}.course-card-body{padding:28px}.course-card h2{font-size:28px;line-height:1.25}.course-price{font-size:34px;font-weight:700;margin:24px 0 16px}.course-price span{display:block;font-size:13px;color:#606060;font-weight:400}.course-auth{max-width:500px;margin:0 auto}.course-auth h1{font-size:46px}.course-auth label{display:block;font-weight:700;margin-bottom:20px}.course-auth .button{margin-top:12px}.course-auth details{padding-top:20px;border-top:1px solid #ddd}.course-link{border:0;padding:0;background:none;font-size:13px;font-weight:600;color:#171717;cursor:pointer;text-decoration:underline}.course-lessons{padding-left:22px}.course-lessons li{margin-bottom:16px}.course-lessons a[aria-current]{font-weight:700;color:#b51224}.course-empty{padding:36px;border:1px dashed #ccc;border-radius:12px;margin-top:30px}.course-main .lesson-title{font-size:clamp(30px,4vw,48px);letter-spacing:-1px}.lesson-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(240px,1fr);gap:30px}.lesson-layout aside{background:#fafafa;border-radius:10px}.course-video{display:block;width:100%;aspect-ratio:16/9;background:#171717;border-radius:8px}.lesson-transcript{padding:20px 0;border-bottom:1px solid #ddd}.lesson-transcript summary{font-weight:700;cursor:pointer}.lesson-exercise{padding:24px;background:#fff4f5;border-left:4px solid #c8102e;margin:24px 0}.lesson-exercise h2{font-size:22px;margin-top:0}.workbook-lesson{margin:35px 0;break-inside:avoid}.workbook-lines{height:160px;background:repeating-linear-gradient(white,white 30px,#ddd 31px,white 32px)}@media(max-width:760px){.lesson-layout{grid-template-columns:1fr}.course-main{padding-top:36px}.course-cover strong{font-size:30px}nav form{padding:14px 0}.course-auth h1{font-size:38px}}@media print{header,footer,.course-auth,video,.skip{display:none}.course-main{max-width:none;padding:0}.workbook-lesson{break-inside:avoid}}