.featured-courses, .course-catalog, .course-detail { width: min(1180px, calc(100% - 2rem)); margin-inline: auto; }
.featured-courses { margin-bottom: 7rem; }
.featured-courses .section-heading > div:last-child { max-width: 31rem; }
.featured-courses .section-heading > div:last-child p { margin: 0 0 .6rem; color: var(--muted); line-height: 1.7; }
.featured-courses .section-heading a { color: var(--blue); font-size: .78rem; font-weight: 800; }
.course-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.course-card { display: flex; flex-direction: column; min-height: 430px; padding: 1.45rem; overflow: hidden; border: 1px solid var(--line); border-radius: 1.4rem; background: white; transition: border-color .3s, box-shadow .3s, transform .3s; }
.course-card:hover { border-color: var(--aqua); box-shadow: var(--shadow); transform: translateY(-6px); }
.course-card > header, .course-card > footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.course-card > header > span { color: #a8b1bf; font-size: 2.5rem; font-weight: 900; letter-spacing: -.08em; }
.course-card h2 { margin: 1.15rem 0 .65rem; font-size: clamp(1.4rem, 2vw, 1.9rem); line-height: 1.15; letter-spacing: -.045em; }
.course-card > p { margin: 0; color: var(--muted); font-size: .78rem; line-height: 1.75; }
.course-theme-tags { display: flex; flex-wrap: wrap; gap: .35rem; }
.course-theme-tags span { padding: .32rem .55rem; color: #087267; border-radius: 99px; background: #dff8f3; font-size: .62rem; font-weight: 800; }
.course-card-facts { display: grid; grid-template-columns: repeat(3, 1fr); margin: 1.2rem 0 0; border-block: 1px solid var(--line); }
.course-card-facts div { display: grid; gap: .2rem; padding: .8rem .3rem; }
.course-card-facts dt { color: var(--muted); font-size: .58rem; }
.course-card-facts dd { margin: 0; font-size: .75rem; font-weight: 800; }
.course-card-stops { display: grid; gap: .4rem; padding: 0; margin: 1rem 0; list-style: none; counter-reset: stops; }
.course-card-stops li { display: grid; grid-template-columns: 1.5rem 1fr; gap: .4rem; color: var(--muted); font-size: .7rem; counter-increment: stops; }
.course-card-stops li::before { content: counter(stops, decimal-leading-zero); color: var(--blue); font-size: .58rem; font-weight: 900; }
.course-card > footer { margin-top: auto; padding-top: .9rem; border-top: 1px solid var(--line); font-size: .7rem; }
.course-card > footer span { color: var(--muted); }
.course-card > footer a { color: var(--blue); font-weight: 800; }

.course-index-hero { position: relative; display: grid; min-height: 72svh; overflow: hidden; color: white; background: var(--ink); isolation: isolate; }
.course-index-hero > img, .course-hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.course-index-hero > img { z-index: -2; object-fit: cover; animation: drift 18s ease-in-out infinite alternate; }
.course-hero-shade { z-index: -1; background: linear-gradient(90deg, rgb(3 12 33 / 94%), rgb(3 12 33 / 45%) 62%, transparent), linear-gradient(0deg, rgb(3 12 33 / 48%), transparent); }
.course-index-copy { align-self: end; width: min(900px, calc(100% - 2rem)); margin: 0 auto; padding: 10rem 0 6rem; }
.course-index-copy h1 { max-width: 11ch; margin: .7rem 0 1.2rem; font-size: clamp(3.3rem, 8vw, 7.5rem); line-height: .94; letter-spacing: -.075em; }
.course-index-copy > p:last-child { max-width: 42rem; color: #d6deeb; line-height: 1.9; }
.course-theme-nav { display: flex; gap: .55rem; width: min(1180px, calc(100% - 2rem)); margin: -1.8rem auto 5rem; padding: .75rem; overflow-x: auto; border-radius: 1.1rem; background: rgb(255 255 255 / 92%); box-shadow: var(--shadow); backdrop-filter: blur(18px); scrollbar-width: none; }
.course-theme-nav::-webkit-scrollbar { display: none; }
.course-theme-nav a { flex: 0 0 auto; padding: .7rem .9rem; border-radius: .7rem; color: var(--muted); font-size: .72rem; font-weight: 800; }
.course-theme-nav a.active { color: white; background: var(--ink); }
.course-catalog { margin-bottom: 8rem; }

.course-detail { padding-top: 8.5rem; }
.course-breadcrumb { display: flex; gap: .5rem; margin-bottom: 1rem; color: var(--muted); font-size: .68rem; }
.course-breadcrumb span[aria-current="page"] { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.course-detail-hero { position: relative; display: grid; min-height: 650px; overflow: hidden; color: white; border-radius: 2rem; background: var(--ink); isolation: isolate; }
.course-detail-hero > img { position: absolute; z-index: -2; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.course-detail-copy { align-self: end; padding: clamp(1.5rem, 6vw, 5rem); }
.course-detail-copy h1 { max-width: 12ch; margin: .8rem 0 1.2rem; font-size: clamp(3rem, 7vw, 6.8rem); line-height: .95; letter-spacing: -.07em; }
.course-detail-copy > p:not(.eyebrow) { max-width: 42rem; color: #d5deed; line-height: 1.85; }
.course-detail-copy .course-theme-tags { margin-top: 1.4rem; }
.course-summary { display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: center; padding: 1.2rem; margin: -1rem 2rem 5rem; border-radius: 1.2rem; background: white; box-shadow: var(--shadow); }
.course-summary dl { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; }
.course-summary dl div { display: grid; gap: .25rem; padding: .6rem 1rem; border-right: 1px solid var(--line); }
.course-summary dt { color: var(--muted); font-size: .62rem; }
.course-summary dd { margin: 0; font-weight: 900; }
.course-summary .primary { padding: .9rem 1.1rem; color: white; border-radius: .8rem; background: var(--blue); font-size: .72rem; font-weight: 800; text-align: center; }
.course-practical-note { display: grid; grid-template-columns: minmax(160px, .45fr) 1fr; gap: .3rem 2rem; padding: 2rem; margin-bottom: 5rem; border: 1px solid var(--line); border-radius: 1.4rem; background: white; }
.course-practical-note .eyebrow { grid-row: 1 / 3; }
.course-practical-note h2 { margin: 0; font-size: 1.7rem; }
.course-practical-note p:not(.eyebrow) { margin: .4rem 0 0; color: var(--muted); line-height: 1.8; }
.course-route { margin-bottom: 6rem; }
.course-timeline { display: grid; gap: 0; padding: 0; margin: 0; list-style: none; }
.course-timeline > li { position: relative; display: grid; grid-template-columns: minmax(130px, .3fr) 1fr; gap: 1.5rem; padding-bottom: 1.2rem; }
.course-timeline > li::before { position: absolute; top: 0; bottom: 0; left: calc(.15fr - 1px); width: 2px; content: ""; background: linear-gradient(var(--aqua), #cad5dc); }
.course-timeline > li:last-child::before { bottom: 50%; }
.course-transfer { position: relative; z-index: 1; align-self: start; display: grid; justify-items: center; gap: .2rem; padding: .8rem; color: white; border-radius: 1rem; background: var(--ink); text-align: center; }
.course-transfer span, .course-transfer small { color: #aebbd0; font-size: .58rem; }
.course-transfer strong { font-size: .75rem; }
.course-timeline > li:not(:has(.course-transfer))::after { position: relative; z-index: 1; grid-column: 1; grid-row: 1; justify-self: center; width: 12px; height: 12px; margin-top: 2rem; content: ""; border: 3px solid white; border-radius: 50%; background: var(--aqua); box-shadow: 0 0 0 1px var(--aqua); }
.course-timeline article { position: relative; z-index: 1; grid-column: 2; padding: clamp(1.3rem, 3vw, 2.2rem); border: 1px solid var(--line); border-radius: 1.4rem; background: white; }
.course-timeline article > header { display: flex; align-items: center; gap: 1rem; }
.course-stop-number { color: var(--blue); font-size: 2.2rem; font-weight: 900; letter-spacing: -.08em; }
.course-timeline article > header p { margin: 0; color: var(--muted); font-size: .65rem; font-weight: 800; }
.course-timeline article time { font-size: .75rem; font-weight: 800; }
.course-timeline article h2 { margin: 1rem 0 .6rem; font-size: clamp(1.7rem, 4vw, 3.1rem); letter-spacing: -.055em; }
.course-stop-headline { color: var(--blue); font-weight: 800; }
.course-stop-note { color: var(--muted); line-height: 1.8; }
.course-timeline article .course-theme-tags { margin: 1rem 0; }
.course-timeline article dl { margin: 1rem 0 0; }
.course-timeline article dl div { display: grid; grid-template-columns: 7rem 1fr; padding: .65rem 0; border-top: 1px solid var(--line); font-size: .72rem; }
.course-timeline article dt { color: var(--muted); }
.course-timeline article dd { margin: 0; }
.course-timeline article footer { display: flex; flex-wrap: wrap; gap: .6rem 1rem; margin-top: 1.2rem; color: var(--blue); font-size: .72rem; font-weight: 800; }
.course-map-section { margin-bottom: 5rem; }
.course-map { min-height: 520px; overflow: hidden; border-radius: 1.6rem; box-shadow: var(--shadow); }
.course-detail-footer { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-block: 2rem 5rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .72rem; }
.course-detail-footer a { color: var(--blue); font-weight: 800; }

@media (max-width: 800px) {
  .course-card-grid { grid-template-columns: 1fr; }
  .featured-courses { margin-bottom: 5rem; }
  .course-index-hero { min-height: 68svh; }
  .course-index-copy { padding-top: 9rem; }
  .course-index-copy h1 { font-size: 3rem; }
  .course-theme-nav { margin-bottom: 3.5rem; }
  .course-detail { padding-top: 7.5rem; }
  .course-detail-hero { min-height: 560px; border-radius: 1.4rem; }
  .course-detail-copy h1 { font-size: 3rem; }
  .course-summary { grid-template-columns: 1fr; margin: -.7rem .7rem 4rem; }
  .course-summary dl { grid-template-columns: 1fr 1fr; }
  .course-summary dl div:nth-child(even) { border-right: 0; }
  .course-practical-note { grid-template-columns: 1fr; gap: .5rem; }
  .course-practical-note .eyebrow { grid-row: auto; }
  .course-timeline > li { grid-template-columns: 4.2rem 1fr; gap: .7rem; }
  .course-timeline > li::before { left: 2.05rem; }
  .course-transfer { padding-inline: .45rem; }
  .course-timeline article dl div { grid-template-columns: 5.8rem 1fr; }
  .course-map { min-height: 420px; }
}

@media (max-width: 560px) {
  .course-index-copy h1, .course-detail-copy h1 { font-size: 2.55rem; }
  .course-detail { width: min(100% - 1rem, 1180px); }
  .course-detail-hero { min-height: 520px; }
  .course-summary dl { grid-template-columns: 1fr 1fr; }
  .course-summary dl div { padding: .55rem; }
  .course-summary dd { font-size: .82rem; }
  .course-timeline > li { grid-template-columns: 3.25rem 1fr; }
  .course-timeline > li::before { left: 1.6rem; }
  .course-transfer { padding: .55rem .2rem; }
  .course-timeline article { padding: 1rem; }
  .course-stop-number { font-size: 1.65rem; }
  .course-detail-footer { align-items: start; flex-direction: column; }
}