.learning-hero { min-height: 560px; }
.learning-hero::after { width: min(38vw, 500px); opacity: .9; }
.learning-hero h1 { max-width: 820px; }
.catalog-intro { padding-bottom: 58px; }
.catalog-intro p:last-child { max-width: 680px; color: var(--muted); font-size: 18px; }
.catalog-section { max-width: var(--max); margin: 0 auto; padding: 62px 24px 112px; }
.catalog-section + .catalog-section { border-top: 1px solid var(--line); }
.catalog-section h2 { margin: 0 0 14px; font-size: clamp(34px, 5vw, 56px); letter-spacing: -.055em; line-height: 1; }
.catalog-section > p { max-width: 670px; margin: 0 0 34px; color: var(--muted); font-size: 17px; }
.catalog-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.catalog-card { overflow: hidden; display: flex; flex-direction: column; min-width: 0; border: 1px solid var(--line); border-radius: 24px; background: #fff; box-shadow: 0 14px 36px rgba(7, 27, 61, .06); scroll-margin-top: 72px; }
.catalog-card img { display: block; width: 100%; aspect-ratio: 1; height: auto; object-fit: contain; object-position: center; background: #f3f7fc; }
.catalog-card[data-family="course"] img { aspect-ratio: 6 / 5; object-fit: cover; }
.catalog-card__cover { display: block; text-decoration: none; }
.catalog-card__cover img { transition: transform .25s ease; }
.catalog-card__cover:hover img { transform: scale(1.02); }
@media (prefers-reduced-motion: reduce) { .catalog-card__cover img { transition: none; } .catalog-card__cover:hover img { transform: none; } }
.catalog-card__body { display: flex; flex: 1; flex-direction: column; min-width: 0; padding: 25px 24px 26px; }
.catalog-card__type { margin: 0 0 8px; color: var(--blue); font-size: 12px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; }
.catalog-card h3 { margin: 0; font-size: 25px; line-height: 1.05; letter-spacing: -.042em; }
.catalog-card__title-link { color: inherit; text-decoration: none; }
.catalog-card__title-link:hover { color: var(--blue); text-decoration: underline; text-underline-offset: 4px; }
.catalog-card__title-link:focus-visible { outline: 3px solid rgba(23, 78, 166, .3); outline-offset: 3px; border-radius: 6px; }
.catalog-card__body > p:not(.catalog-card__type) { margin: 12px 0 18px; color: var(--muted); font-size: 15px; line-height: 1.48; }
.catalog-card__status { margin: auto 0 0; color: var(--muted); font-size: 13px; }
.catalog-card__status a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.catalog-card__purchase { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: auto; padding-top: 18px; }
.catalog-card__price { margin: 0; color: var(--ink); font-size: 18px; font-weight: 760; letter-spacing: -.025em; white-space: nowrap; }
.catalog-card__buy { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 16px; border-radius: 999px; background: var(--blue); color: #fff; font-size: 13px; font-weight: 700; text-decoration: none; white-space: nowrap; }
.catalog-card__buy:hover { filter: brightness(.94); }
.catalog-card__buy:focus-visible { outline: 3px solid rgba(23, 78, 166, .3); outline-offset: 3px; }
.catalog-notice { max-width: var(--max); margin: 0 auto; padding: 0 24px 104px; }
.catalog-notice__inner { padding: 30px; border: 1px solid rgba(23, 78, 166, .24); border-radius: 22px; background: rgba(23, 78, 166, .055); }
.catalog-notice h2 { margin: 0 0 10px; font-size: 27px; letter-spacing: -.04em; }
.catalog-notice p { max-width: 780px; margin: 0; color: var(--muted); }
.catalog-notice p + p { margin-top: 12px; font-size: 14px; }
.catalog-notice a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
@media (min-width: 640px) { .catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .catalog-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 600px) { .learning-hero { min-height: 500px; } .catalog-intro { padding-bottom: 36px; } .catalog-section { padding: 48px 20px 76px; } .catalog-card__body { min-height: 224px; } .catalog-notice { padding: 0 20px 76px; } .catalog-notice__inner { padding: 24px 20px; } }