.academy-page { background: var(--paper); }
.academy-page .desktop-nav a[aria-current="page"]::after,
.academy-page .mobile-menu a[aria-current="page"] { font-weight: 800; }
.academy-page .desktop-nav a[aria-current="page"]::after { right: 0; }

.academy-hero {
  min-height: min(86svh, 860px);
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(420px, .96fr);
  gap: clamp(48px, 7vw, 116px);
  align-items: center;
  padding: 122px var(--pad) 78px;
}
.academy-hero-copy { max-width: 780px; }
.academy-eyebrow {
  margin: 0 0 28px;
  color: var(--quiet);
  font: 700 9px/1 var(--mono);
  letter-spacing: .18em;
}
.academy-hero h1 {
  margin: 0;
  font-size: clamp(48px, 6.8vw, 104px);
  line-height: .94;
  letter-spacing: -.062em;
}
.academy-hero h1 span { display: block; }
.academy-hero-copy > p:not(.academy-eyebrow) {
  max-width: 650px;
  margin: 30px 0 0;
  color: var(--quiet);
  font-size: 15px;
  line-height: 1.85;
}
.academy-hero-copy > .button { margin-top: 36px; }

.academy-system {
  position: relative;
  min-height: 520px;
  display: grid;
  align-content: center;
  padding: clamp(30px, 4vw, 58px);
  overflow: hidden;
  color: var(--paper);
  background: var(--ink);
}
.academy-system-grid {
  position: absolute;
  inset: 0;
  opacity: .3;
  background-image:
    linear-gradient(rgba(255,255,255,.11) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.11) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 82%, transparent);
}
.academy-system::before {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  right: -120px;
  top: -120px;
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 50%;
  box-shadow: 0 0 0 70px rgba(255,255,255,.035), 0 0 0 140px rgba(255,255,255,.02);
}
.academy-system-track { position: relative; z-index: 1; display: grid; gap: 18px; }
.academy-system-track span {
  min-height: 88px;
  display: grid;
  grid-template-columns: 42px 1fr;
  align-items: center;
  gap: 18px;
  padding: 20px;
  border: 1px solid rgba(255,255,255,.23);
  background: rgba(255,255,255,.035);
}
.academy-system-track span i,
.academy-system-track span b,
.academy-system > p { font: 700 9px/1.3 var(--mono); letter-spacing: .1em; }
.academy-system-track span i { color: #a4a49e; font-style: normal; }
.academy-system-track span b { font-size: 11px; }
.academy-system-track em { display: none; }
.academy-system > p {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 28px 0 0;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.25);
  color: #9f9f99;
}
.academy-system > p strong { color: var(--paper); font-size: 24px; letter-spacing: -.04em; }

.academy-library { padding: 112px var(--pad) 124px; }
.academy-library-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, .65fr);
  gap: clamp(42px, 8vw, 120px);
  align-items: end;
}
.academy-library-heading h2 {
  margin: 0;
  font-size: var(--section-title-size);
  line-height: .98;
  letter-spacing: -.058em;
}
.academy-library-heading p {
  max-width: 520px;
  margin: 0 0 6px;
  color: var(--quiet);
  font-size: 15px;
  line-height: 1.8;
}
.academy-tabs-shell { margin-top: 76px; }
.academy-course-picker { padding: 18px 0 24px; }
.academy-course-picker select { width: min(100%, 480px); min-height: 48px; padding: 12px 42px 12px 16px; border: 1px solid var(--ink); border-radius: 2px; color: var(--ink); background: var(--paper); font: 600 16px/1.5 var(--sans); cursor: pointer; }
.academy-course-picker select:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; }
.academy-tabs-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 42px;
  border-bottom: 1px solid var(--ink);
  font: 700 9px/1 var(--mono);
  letter-spacing: .1em;
}
.academy-tabs-meta small { color: var(--quiet); font: inherit; }
.academy-tabs {
  display: flex;
  gap: 8px;
  padding: 16px 0 20px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.academy-tab {
  flex: 0 0 auto;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  font: 700 11px/1 var(--mono);
  letter-spacing: .03em;
  cursor: pointer;
  transition: color .2s ease, background-color .2s ease, border-color .2s ease;
}
.academy-tab:hover { border-color: var(--ink); }
.academy-tab[aria-selected="true"] { color: var(--paper); background: var(--ink); border-color: var(--ink); }
.academy-panel {
  display: grid;
  grid-template-columns: minmax(240px, .3fr) minmax(0, .7fr);
  gap: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--line-soft);
}
.academy-course-intro { padding: 28px 12px 28px 0; }
.academy-course-index { color: var(--quiet); font: 700 9px/1 var(--mono); letter-spacing: .12em; }
.academy-course-intro h3 {
  margin: 56px 0 14px;
  font-size: clamp(30px, 3.4vw, 52px);
  line-height: 1.04;
  letter-spacing: -.05em;
}
.academy-course-term {
  margin: 0;
  color: var(--ink);
  font: 700 10px/1.6 var(--mono);
  letter-spacing: .04em;
}
.academy-course-summary { margin: 28px 0 0; color: var(--quiet); font-size: 14px; line-height: 1.78; }
.academy-course-language {
  display: inline-flex;
  margin-top: 28px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  color: var(--quiet);
  font: 700 9px/1 var(--mono);
  letter-spacing: .08em;
}
.academy-course-open {
  display: inline-flex;
  gap: 18px;
  margin-top: 32px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--ink);
  font-size: 13px;
  font-weight: 700;
}
.academy-disclaimer { margin: 42px 0 0; color: var(--quiet); font-size: 11px; line-height: 1.7; }
.academy-course-frame-wrap { min-width: 0; }
.academy-course-frame {
  display: block;
  width: 100%;
  height: clamp(720px, 84svh, 920px);
  border: 0;
  background: #f5f5f7;
}
.academy-noscript { padding: 18px; border: 1px solid var(--line); line-height: 1.7; }
.academy-noscript a { border-bottom: 1px solid currentColor; }

html[lang="en"] .academy-hero h1 { font-size: clamp(42px, 6vw, 88px); }

@media (max-width: 1180px) {
  .academy-hero { grid-template-columns: minmax(0, 1fr) minmax(360px, .72fr); }
  .academy-system { min-height: 470px; }
}

@media (max-width: 1050px) {
  .academy-hero { grid-template-columns: 1fr; padding-top: 118px; }
  .academy-hero-copy { padding-block: 30px 8px; }
  .academy-system { min-height: auto; }
  .academy-system-track { grid-template-columns: repeat(3, 1fr); }
  .academy-system-track span { grid-template-columns: 1fr; gap: 10px; }
  .academy-library-heading { grid-template-columns: 1fr; }
  .academy-panel { grid-template-columns: 1fr; }
  .academy-course-intro { display: grid; grid-template-columns: 1fr 1fr; column-gap: 26px; padding-right: 0; }
  .academy-course-intro h3,
  .academy-course-summary,
  .academy-disclaimer { grid-column: 1 / -1; }
  .academy-course-intro h3 { margin-top: 42px; }
  .academy-course-open { justify-self: end; align-self: end; }
}

@media (max-width: 760px) {
  .academy-hero { padding: 98px 18px 64px; gap: 50px; }
  .academy-hero h1 { font-size: clamp(42px, 13vw, 68px); }
  .academy-hero-copy > .button { width: 100%; }
  .academy-system { min-height: 460px; padding: 22px; }
  .academy-system-track { grid-template-columns: 1fr; gap: 8px; }
  .academy-system-track span { min-height: 74px; grid-template-columns: 40px 1fr; }
  .academy-library { padding: 82px 18px 96px; }
  .academy-library .section-rule { margin-bottom: 44px; }
  .academy-tabs-shell { margin-top: 54px; }
  .academy-course-intro { display: block; padding: 20px 0; }
  .academy-course-intro h3 { margin-top: 36px; }
  .academy-course-open { margin-top: 28px; }
  .academy-course-frame { height: 790px; }
}

@media (max-width: 480px) {
  .academy-tabs-meta { align-items: flex-start; gap: 12px; padding-block: 12px; }
  .academy-tab { min-height: 44px; padding-inline: 15px; }
  .academy-course-frame { height: 760px; }
}

@media (prefers-reduced-motion: reduce) {
  .academy-tab { transition: none; }
}