/* Homepage course showcase, sharing the catalog's open editorial style. */
.home-catalog { --catalog-accent: #435dea; --catalog-divider: #d5dfed; background: #fff; border-top: 1px solid #e8ecf4; }
.home-catalog [id] { scroll-margin-top: 100px; }
.home-catalog__intro { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: clamp(2rem, 4vw, 3.5rem); align-items: center; margin-bottom: 3rem; }
.home-catalog h2 { max-width: 24ch; margin: 0 0 1.2rem; color: var(--ink-900); font-size: clamp(2rem, 3vw, 2.7rem); font-weight: 700; line-height: 1.12; letter-spacing: -0.03em; }
.home-catalog__intro-copy { max-width: 62ch; margin: 0; color: var(--ink-500); font-size: 1rem; line-height: 1.65; }
.home-catalog .section-eyebrow { color: var(--catalog-accent); }
.home-roadmap { padding: 1.25rem 0; }
.home-roadmap__stages { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr) minmax(0, 1.15fr); gap: 1.6rem; list-style: none; margin: 0; padding: 0; }
.home-roadmap__stages > li { position: relative; min-width: 0; }
.home-roadmap__stages > li:not(:last-child)::before { content: ""; position: absolute; top: 0.7rem; left: 2rem; right: calc(-0.75rem - 1px); border-top: 1px solid #b8c8e3; }
.home-roadmap__stages > li:not(:last-child)::after { content: ""; position: absolute; top: calc(0.7rem + 0.5px); right: -0.75rem; width: 6px; height: 6px; border-top: 1px solid #b8c8e3; border-right: 1px solid #b8c8e3; transform: translateY(-50%) rotate(45deg); }
.home-roadmap__number { display: block; margin-bottom: 1.3rem; color: var(--catalog-accent); font-size: 0.85rem; font-weight: 700; line-height: 1.4rem; letter-spacing: 0.06em; }
.home-roadmap h3 { margin: 0 0 0.75rem; color: var(--ink-900); font-size: 1rem; font-weight: 700; line-height: 1.3; }
.home-roadmap p, .home-roadmap__subjects { margin: 0; padding: 0; color: var(--ink-700); font-size: 0.92rem; line-height: 1.55; list-style: none; }
.home-roadmap__subjects li + li { margin-top: 0.3rem; }
.home-roadmap__branches { list-style: none; border-left: 1px solid #b8c8e3; margin: 0; padding: 0 0 0 0.9rem; }
.home-roadmap__branches li { position: relative; }
.home-roadmap__branches li::before { content: ""; position: absolute; top: 0.6rem; left: -0.9rem; width: 0.5rem; border-top: 1px solid #b8c8e3; }
.home-roadmap__branches li + li { margin-top: 1rem; }
.home-roadmap__branches strong { display: block; color: var(--ink-700); font-size: 0.85rem; font-weight: 600; line-height: 1.4; }
.home-roadmap__branches span { display: block; margin-top: 0.25rem; color: var(--ink-500); font-size: 0.75rem; line-height: 1.4; }
.home-roadmap__branches .home-roadmap__available { color: #304bdc; }
.home-catalog__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2.5rem 3rem; }
.home-catalog__entry { position: relative; min-width: 0; }
.home-catalog__entry:not(:nth-child(3n))::after { content: ""; position: absolute; top: 0; bottom: 0; right: -1.5rem; width: 1px; background: var(--catalog-divider); }
.home-catalog__entry:nth-child(n+4) { border-top: 1px solid var(--catalog-divider); padding-top: 2.5rem; }
.home-catalog__course { display: flex; flex-direction: column; height: 100%; color: inherit; text-decoration: none; }
.home-catalog__course:focus-visible { outline: 3px solid rgba(67, 93, 234, 0.45); outline-offset: 6px; }
.home-catalog__image { display: block; width: 100%; height: 125px; object-fit: cover; object-position: center 42%; margin-bottom: 1.2rem; }
.home-catalog__label { display: block; margin-bottom: 0.65rem; color: var(--ink-500); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.home-catalog__entry h3 { margin: 0 0 0.7rem; color: var(--ink-900); font-size: clamp(1.3rem, 1.7vw, 1.6rem); font-weight: 700; line-height: 1.25; letter-spacing: -0.02em; }
a.home-catalog__course:hover h3 { color: var(--catalog-accent); text-decoration: underline; text-underline-offset: 4px; }
.home-catalog__details { display: flex; flex-wrap: wrap; gap: 0.35rem 0.6rem; list-style: none; padding: 0; margin: 0 0 1rem; color: #304bdc; font-size: 0.85rem; line-height: 1.5; }
.home-catalog__details li:not(:last-child)::after { content: "·"; padding-left: 0.6rem; color: #8c9cb6; }
.home-catalog__summary { margin: 0; color: var(--ink-700); font-size: 0.95rem; line-height: 1.65; }
.home-catalog__status { display: inline-block; align-self: flex-start; margin-top: 1rem; color: var(--ink-500); font-size: 0.85rem; font-weight: 600; }
.home-catalog__status--available { color: #304bdc; }
.home-catalog__footer { margin-top: 2.5rem; text-align: center; }
.home-catalog__all { display: inline-flex; align-items: center; gap: 0.75rem; min-height: 44px; color: var(--catalog-accent); font-size: 1.05rem; font-weight: 600; text-decoration: none; }
.home-catalog__all:hover { color: #304bdc; text-decoration: underline; text-underline-offset: 4px; }
.home-catalog__all:focus-visible { outline: 3px solid rgba(67, 93, 234, 0.45); outline-offset: 4px; }
@media (max-width: 1199.98px) {
  .home-catalog__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .home-catalog__entry:not(:nth-child(3n))::after { content: none; }
  .home-catalog__entry:nth-child(odd)::after { content: ""; position: absolute; top: 0; bottom: 0; right: -1.5rem; width: 1px; background: var(--catalog-divider); }
  .home-catalog__entry:nth-child(n+3) { border-top: 1px solid var(--catalog-divider); padding-top: 2.5rem; }
}
@media (max-width: 991.98px) {
  .home-catalog__intro { grid-template-columns: 1fr; gap: 1.75rem; }
  .home-catalog h2 { max-width: 30ch; }
  .home-roadmap { max-width: 800px; padding: 0.5rem 0; }
  .home-roadmap__break { display: none; }
}
@media (max-width: 767.98px) {
  .home-catalog__grid { grid-template-columns: 1fr; gap: 2rem; }
  .home-catalog__entry:nth-child(odd)::after { content: none; }
  .home-catalog__entry:nth-child(n+2) { border-top: 1px solid var(--catalog-divider); padding-top: 2rem; }
  .home-catalog__image { height: 125px; }
  .home-catalog__entry h3 { font-size: 1.5rem; }
  .home-catalog__intro { margin-bottom: 2.5rem; }
}
@media (max-width: 575.98px) {
  .home-roadmap__stages { grid-template-columns: 1fr; gap: 1.3rem; }
  .home-roadmap__stages > li { padding-left: 2.75rem; }
  .home-roadmap__number { position: absolute; left: 0; top: 0; margin: 0; }
  .home-roadmap__stages > li:not(:last-child)::before { top: 1.7rem; left: 0.65rem; right: auto; bottom: -0.4rem; border-top: 0; border-left: 1px solid #b8c8e3; }
  .home-roadmap__stages > li:not(:last-child)::after { content: none; }
  .home-roadmap h3 { margin-bottom: 0.35rem; }
  .home-roadmap__branches { margin-top: 0.75rem; }
}