.primary-nav a[aria-current="page"] { color: var(--blue); }

.cert-hero { padding: 112px 0 0; color: white; background: linear-gradient(135deg,#071a26 0%,#123c52 58%,#1d6e99 100%); overflow: hidden; }
.cert-hero-grid { display: grid; grid-template-columns: 1.04fr .96fr; gap: 90px; align-items: center; padding-bottom: 92px; }
.cert-hero h1 { max-width: 790px; color: white; font-size: clamp(3.5rem,5.8vw,6.15rem); }
.cert-hero .hero-lede { max-width: 750px; color: #d3e5eb; }
.cert-hero .text-link { color: white; }
.program-map { position: relative; display: grid; gap: 26px; padding: 28px 0 28px 36px; }
.program-line { position: absolute; top: 54px; bottom: 54px; left: 59px; width: 1px; background: rgba(255,255,255,.22); }
.program-map article { position: relative; z-index: 1; display: grid; grid-template-columns: 48px 1fr; gap: 24px; align-items: center; }
.program-map article > span { display: grid; width: 48px; height: 48px; place-items: center; color: #062233; background: var(--blue-bright); border: 6px solid #123c52; border-radius: 50%; font-size: .7rem; font-weight: 700; }
.program-map p { margin: 0 0 5px; color: #93bdcc; font-size: .69rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.program-map h2 { margin: 0; color: white; font-size: 1.35rem; }
.cert-facts { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid rgba(255,255,255,.18); }
.cert-facts > div { display: flex; gap: 16px; padding: 31px 26px; align-items: baseline; border-right: 1px solid rgba(255,255,255,.18); }
.cert-facts > div:first-child { border-left: 1px solid rgba(255,255,255,.18); }
.cert-facts strong { color: var(--blue-bright); font: 700 2rem/1 "Manrope",sans-serif; }
.cert-facts span { color: #c7dbe3; font-size: .79rem; }

.program-context { background: white; }
.context-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; }
.context-grid > div:last-child { padding-top: 8px; }
.context-grid p { color: var(--ink-soft); }
.context-grid .context-lede { color: var(--ink); font-size: 1.2rem; line-height: 1.65; }

.program-section { background: var(--mist); }
.program-heading { max-width: 920px; margin-bottom: 64px; }
.program-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; align-items: stretch; }
.program-card { min-height: 690px; padding: 36px 32px; background: white; border: 1px solid var(--line); border-radius: 20px; }
.part-three { color: white; background: var(--blue); border-color: var(--blue); }
.part-meta { display: flex; margin-bottom: 112px; justify-content: space-between; gap: 15px; }
.part-meta span, .part-meta strong { color: var(--blue); font-size: .69rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.part-meta strong { color: var(--ink-soft); }
.part-three .part-meta span { color: #bde5ef; }
.part-three .part-meta strong { color: #d7edf3; }
.program-card h3 { min-height: 76px; margin-bottom: 16px; font-size: 1.75rem; }
.part-three h3 { color: white; }
.part-summary { min-height: 102px; color: var(--ink-soft); font-size: .93rem; }
.part-three .part-summary { color: #d7edf3; }
.program-card ul { margin: 30px 0 0; padding: 26px 0 0; border-top: 1px solid var(--line); list-style: none; }
.part-three ul { border-color: rgba(255,255,255,.22); }
.program-card li { position: relative; margin: 0 0 14px; padding-left: 18px; font-size: .86rem; line-height: 1.5; }
.program-card li::before { content: ""; position: absolute; top: .62em; left: 0; width: 6px; height: 6px; background: var(--blue-bright); border-radius: 50%; }

.progression-section { color: white; background: linear-gradient(135deg,#071a26,#123c52); }
.progression-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 100px; align-items: center; }
.progression-copy h2 { color: white; }
.progression-copy p:not(.eyebrow) { color: #b6cad3; }
.light-orbit { position: relative; min-height: 500px; border: 1px solid rgba(255,255,255,.14); border-radius: 50%; }
.orbit-ring, .light-core, .orbit-label { position: absolute; }
.orbit-ring { top: 50%; left: 50%; border: 1px solid rgba(94,184,209,.28); border-radius: 50%; transform: translate(-50%,-50%); }
.orbit-one { width: 245px; height: 245px; }
.orbit-two { width: 400px; height: 400px; }
.light-core { display: grid; top: 50%; left: 50%; width: 126px; height: 126px; place-content: center; text-align: center; background: radial-gradient(circle at 40% 35%,#fff 0%,#c8eef7 22%,#5eb8d1 52%,#1d6e99 100%); border-radius: 50%; transform: translate(-50%,-50%); box-shadow: 0 0 70px rgba(94,184,209,.42); }
.light-core strong { color: #062233; font: 700 1.55rem/1 "Manrope",sans-serif; }
.light-core span { margin-top: 7px; color: #164d69; font-size: .66rem; font-weight: 700; text-transform: uppercase; }
.orbit-label { color: #d7edf3; font-size: .72rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.label-one { top: 17%; left: 43%; }.label-two { top: 48%; right: 4%; }.label-three { bottom: 12%; left: 42%; }.label-four { top: 49%; left: 4%; }

.light-series-section { background: #eef3f4; }
.light-series-heading { display: grid; grid-template-columns: .92fr 1.08fr; gap: 100px; margin-bottom: 64px; }
.light-series-heading > div:last-child { padding-top: 9px; }
.light-series-heading > div:last-child p { margin: 0; color: var(--ink-soft); font-size: 1.06rem; }
.light-series-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.light-essay-card { display: flex; min-height: 440px; padding: 38px; color: var(--ink); background: white; border: 1px solid var(--line); border-radius: 20px; flex-direction: column; text-decoration: none; transition: transform .22s ease, box-shadow .22s ease; }
.light-essay-card:hover { transform: translateY(-5px); box-shadow: 0 22px 50px rgba(10,35,51,.1); }
.essay-card-dark { color: white; background: #173f50; border-color: #173f50; }
.essay-meta { display: flex; margin-bottom: 112px; justify-content: space-between; gap: 18px; color: var(--blue); font-size: .7rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.essay-meta span:last-child { color: var(--ink-soft); }
.essay-card-dark .essay-meta, .essay-card-dark .essay-meta span:last-child { color: #9ed6e5; }
.light-essay-card h3 { max-width: 530px; margin-bottom: 17px; font-size: 1.72rem; }
.essay-card-dark h3 { color: white; }
.light-essay-card p { margin: 0; color: var(--ink-soft); font-size: .92rem; }
.essay-card-dark p { color: #c6dce4; }
.light-essay-card em { margin-top: auto; padding-top: 30px; color: var(--blue); font-size: .78rem; font-style: normal; font-weight: 700; }
.essay-card-dark em { color: #9ed6e5; }
.light-essay-card em span { display: inline-block; margin-left: 5px; transition: transform .2s ease; }
.light-essay-card:hover em span { transform: translate(3px,-3px); }

.light-certification-section { background: white; }
.light-cert-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; }
.light-cert-grid p { color: var(--ink-soft); }
.light-cert-grid .light-lede { color: var(--ink); font-size: 1.17rem; line-height: 1.65; }
.light-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }

.cohort-section { background: #eef3f4; }
.cohort-heading { max-width: 920px; margin-bottom: 64px; }
.cohort-heading > p:last-child { color: var(--ink-soft); font-size: 1.03rem; }
.cohort-display { display: grid; grid-template-columns: 230px minmax(0,1fr); gap: 50px; align-items: center; }
.cohort-signal { display: flex; position: relative; isolation: isolate; width: 230px; height: 230px; padding: 34px; border: 1px solid #a8c7d2; border-radius: 50%; flex-direction: column; align-items: center; justify-content: center; text-align: center; background: radial-gradient(circle at 38% 30%,rgba(255,255,255,.98),rgba(224,239,244,.84)); box-shadow: 0 22px 55px rgba(10,35,51,.09); }
.cohort-signal::before, .cohort-signal::after { content: ""; position: absolute; z-index: -1; border: 1px solid rgba(29,110,153,.15); border-radius: 50%; }
.cohort-signal::before { inset: 17px; }
.cohort-signal::after { inset: 36px; }
.cohort-signal > span { color: var(--blue); font: 700 3.55rem/1 "Manrope",sans-serif; letter-spacing: -.06em; }
.cohort-signal strong { margin-top: 8px; font-size: .79rem; letter-spacing: .11em; text-transform: uppercase; }
.cohort-signal em { max-width: 135px; margin-top: 9px; color: var(--ink-soft); font-size: .72rem; font-style: normal; line-height: 1.4; }
.cohort-streams { display: grid; min-width: 0; gap: 13px; overflow: hidden; padding: 9px 0; outline: none; -webkit-mask-image: linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent); mask-image: linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent); }
.cohort-streams:focus-visible { outline: 2px solid var(--blue); outline-offset: 7px; border-radius: 8px; }
.cohort-stream { min-width: 0; overflow: hidden; }
.cohort-track { display: flex; width: max-content; }
.cohort-set { display: flex; flex: none; gap: 11px; padding-right: 11px; }
.cohort-set span { display: flex; min-height: 48px; padding: 0 19px; align-items: center; color: var(--ink); background: rgba(255,255,255,.72); border: 1px solid #c4d4da; border-radius: 999px; font-size: .77rem; font-weight: 600; white-space: nowrap; box-shadow: 0 8px 22px rgba(10,35,51,.045); }
.cohort-track.is-ready { animation: cohort-flow-left 62s linear infinite; }
.cohort-stream:nth-child(2) .cohort-track.is-ready { animation-name: cohort-flow-right; animation-duration: 72s; transform: translateX(-50%); }
.cohort-stream:nth-child(3) .cohort-track.is-ready { animation-duration: 68s; }
.cohort-stream:nth-child(4) .cohort-track.is-ready { animation-name: cohort-flow-right; animation-duration: 76s; transform: translateX(-50%); }
.cohort-streams:hover .cohort-track, .cohort-streams:focus .cohort-track, .cohort-streams:focus-within .cohort-track { animation-play-state: paused; }
@keyframes cohort-flow-left { to { transform: translateX(-50%); } }
@keyframes cohort-flow-right { to { transform: translateX(0); } }

.cert-cta { padding: 105px 0; color: white; background: var(--blue); }
.cert-cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 95px; align-items: center; }
.cert-cta h2 { margin: 0; color: white; font-size: clamp(2.5rem,4vw,4rem); }
.cert-cta-grid > div:last-child p { max-width: 560px; margin-top: 0; color: #d7edf3; font-size: 1.05rem; }

@media (max-width: 1020px) {
  .cert-hero-grid, .context-grid, .progression-grid, .light-series-heading, .light-cert-grid, .cert-cta-grid { gap: 55px; }
  .program-card { min-height: 730px; padding: 32px 25px; }
  .part-meta { margin-bottom: 90px; }
  .light-orbit { min-height: 440px; }
  .orbit-two { width: 360px; height: 360px; }
}
@media (max-width: 820px) {
  .cert-hero { padding-top: 78px; }
  .cert-hero-grid, .context-grid, .progression-grid, .light-series-heading, .light-cert-grid, .cert-cta-grid { grid-template-columns: 1fr; }
  .program-map { max-width: 640px; padding-left: 8px; }
  .program-line { left: 31px; }
  .program-cards { grid-template-columns: 1fr; }
  .program-card { min-height: 0; }
  .program-card h3, .part-summary { min-height: 0; }
  .part-meta { margin-bottom: 72px; }
  .essay-meta { margin-bottom: 78px; }
  .light-orbit { width: min(100%,500px); margin: 10px auto 0; }
  .cohort-display { grid-template-columns: 190px minmax(0,1fr); gap: 34px; }
  .cohort-signal { width: 190px; height: 190px; padding: 27px; }
  .cohort-signal > span { font-size: 3rem; }
}
@media (max-width: 560px) {
  .cert-hero h1 { font-size: 3.15rem; }
  .cert-facts { grid-template-columns: 1fr; }
  .cert-facts > div, .cert-facts > div:first-child { border-left: 1px solid rgba(255,255,255,.18); border-bottom: 1px solid rgba(255,255,255,.18); }
  .program-map article { grid-template-columns: 48px 1fr; gap: 17px; }
  .program-card { padding: 29px 24px; }
  .part-meta { margin-bottom: 55px; }
  .light-series-grid { grid-template-columns: 1fr; }
  .light-essay-card { min-height: 385px; padding: 29px 24px; }
  .essay-meta { margin-bottom: 60px; }
  .light-orbit { min-height: 345px; }
  .orbit-one { width: 180px; height: 180px; }
  .orbit-two { width: 290px; height: 290px; }
  .light-core { width: 100px; height: 100px; }
  .cohort-display { grid-template-columns: 1fr; gap: 34px; }
  .cohort-signal { width: 178px; height: 178px; margin-inline: auto; }
  .cohort-set span { min-height: 44px; padding: 0 16px; font-size: .73rem; }
  .light-actions .button { width: 100%; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  .cohort-streams { overflow: visible; -webkit-mask-image: none; mask-image: none; }
  .cohort-stream { overflow: visible; }
  .cohort-track, .cohort-track.is-ready { width: auto; animation: none; transform: none; }
  .cohort-set { flex-wrap: wrap; }
  .cohort-set[aria-hidden="true"] { display: none; }
}