:root {
  --ink: #17212b;
  --muted: #5e6974;
  --navy: #0d2a42;
  --blue: #164f72;
  --pale-blue: #e9f1f5;
  --gold: #bd8744;
  --paper: #f8f7f3;
  --white: #ffffff;
  --line: #d9dde0;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

a {
  color: var(--blue);
  text-decoration-color: color-mix(in srgb, var(--blue) 40%, transparent);
  text-underline-offset: 0.18em;
}
a:hover { color: var(--navy); text-decoration-color: var(--gold); }
.site-frame { min-height: 100vh; }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 95%, transparent);
  backdrop-filter: blur(12px);
}

.header-inner {
  width: min(calc(100% - 40px), var(--max));
  min-height: 82px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}

.wordmark .mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--navy);
  color: var(--navy);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 23px;
}

.wordmark strong, .wordmark small { display: block; }
.wordmark strong {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.wordmark small {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.desktop-nav { align-self: stretch; display: flex; align-items: stretch; }
.desktop-nav a {
  position: relative;
  display: grid;
  place-items: center;
  padding: 0 15px;
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
}
.desktop-nav a::after {
  position: absolute;
  right: 15px;
  bottom: -1px;
  left: 15px;
  height: 3px;
  background: transparent;
  content: "";
}
.desktop-nav a:hover::after, .desktop-nav a.active::after { background: var(--gold); }

.mobile-nav { display: none; position: relative; }
.mobile-nav summary {
  cursor: pointer;
  color: var(--navy);
  font-weight: 600;
  list-style: none;
}
.mobile-nav nav {
  position: absolute;
  top: 40px;
  right: 0;
  display: grid;
  width: 240px;
  border: 1px solid var(--line);
  background: var(--white);
  box-shadow: 0 16px 35px rgb(13 42 66 / 12%);
}
.mobile-nav nav a { padding: 12px 16px; color: var(--ink); text-decoration: none; }
.mobile-nav nav a.active { background: var(--pale-blue); color: var(--navy); }

.page-wrap {
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: 72px 0 110px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: start;
  min-height: 490px;
  padding: 28px 0 72px;
}

.eyebrow, .note-label {
  margin: 0 0 15px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1, h2, h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: 1.14;
}
.hero h1 {
  max-width: 760px;
  margin: 0;
  color: var(--navy);
  font-size: clamp(40px, 5.2vw, 68px);
  letter-spacing: -0.035em;
}
.subtitle {
  margin: 18px 0 34px;
  color: var(--blue);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(22px, 2.5vw, 32px);
  font-style: italic;
}
.date-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding-left: 18px;
  border-left: 3px solid var(--gold);
}
.date-line strong, .date-line span { display: block; }
.date-line span { color: var(--muted); }
.orbit-figure {
  width: min(calc(41.76vw + 27px), 572px);
  height: auto;
  margin-top: 35px;
  object-fit: contain;
  box-shadow: none;
}

.band {
  margin: 0 calc(50% - 50vw);
  padding: 56px max(calc((100vw - var(--max)) / 2), 20px);
  background: var(--navy);
  color: var(--white);
}
.intro p, .practical-intro p {
  max-width: 900px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(21px, 2.4vw, 29px);
  line-height: 1.5;
}
.band a { color: #cfe7f3; }

.section-block, .program-section { padding: 82px 0 0; }
.section-heading {
  display: grid;
  grid-template-columns: 1fr;
  align-items: baseline;
  margin-bottom: 35px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}
.section-heading h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(29px, 3.4vw, 42px);
}
.section-heading h2 span {
  color: var(--muted);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 15px;
  font-weight: 400;
}
.people-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 55px; }
.person-card { padding: 26px 0 30px; border-bottom: 1px solid var(--line); }
.person-card > a, .director > a {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
}
.person-card p { margin: 9px 0 0; }
.person-card .affiliation {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.course-title-link {
  color: inherit;
  text-decoration-color: color-mix(in srgb, var(--blue) 35%, transparent);
}
.course-title-link:hover { color: var(--blue); }
.directors-list { border-top: 1px solid var(--line); }
.director {
  display: grid;
  grid-template-columns: minmax(220px, 0.7fr) 1.3fr;
  gap: 35px;
  align-items: baseline;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}
.director span { color: var(--muted); }

.page-header { max-width: 850px; padding: 32px 0 70px; }
.page-header h1 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(48px, 7vw, 86px);
  letter-spacing: -0.04em;
}
.lead {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--muted);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(21px, 2.4vw, 29px);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.75fr);
  gap: clamp(45px, 8vw, 100px);
  align-items: start;
}
.prose { font-size: 17px; }
.prose p { margin: 0 0 24px; }
.primary-button {
  display: inline-flex;
  align-items: center;
  gap: 22px;
  margin-top: 18px;
  padding: 14px 20px;
  background: var(--navy);
  color: var(--white);
  font-weight: 700;
  text-decoration: none;
}
.primary-button:hover { background: var(--blue); color: var(--white); }
.note-card { padding: 34px; border-top: 4px solid var(--gold); background: var(--pale-blue); }
.note-card h2 { margin: 0 0 22px; color: var(--navy); font-size: 28px; }
.note-card ul { margin: 0; padding-left: 20px; }
.small-note {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid #c7d9e2;
  color: var(--muted);
  font-size: 13px;
}

.schedule-placeholder > p {
  margin: 0 0 34px 58px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 24px;
  font-style: italic;
}
.week-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin-left: 58px;
  border: 1px solid var(--line);
}
.week-strip span {
  padding: 16px 8px;
  border-right: 1px solid var(--line);
  color: var(--muted);
  text-align: center;
}
.week-strip span:last-child { border-right: 0; }
.course-list { border-top: 1px solid var(--line); }
.course {
  display: grid;
  grid-template-columns: 1fr;
  padding: 28px 0 30px;
  border-bottom: 1px solid var(--line);
}
.course h3 {
  max-width: 820px;
  margin: 0 0 9px;
  color: var(--navy);
  font-size: clamp(22px, 2.5vw, 31px);
}
.course p { margin: 0; }
.course p span { color: var(--muted); }

.section-lead { max-width: 800px; margin: -8px 0 35px 58px; color: var(--muted); }
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-left: 58px;
  background: var(--line);
  border: 1px solid var(--line);
}
.price-grid article {
  display: grid;
  min-height: 200px;
  align-content: start;
  padding: 28px;
  background: var(--white);
}
.price-grid span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.price-grid strong {
  margin-top: 18px;
  color: var(--navy);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 48px;
  font-weight: 400;
  line-height: 1;
}
.price-grid small { margin-top: 12px; color: var(--muted); }
.travel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 45px;
  margin-left: 58px;
}
.travel-grid article { padding-top: 20px; border-top: 3px solid var(--navy); }
.travel-grid h3 { margin: 0 0 18px; color: var(--navy); font-size: 27px; }
.travel-grid p { margin: 0 0 16px; }
.official-notice {
  margin: 34px 0 0;
  padding: 18px 22px;
  border-left: 4px solid var(--gold);
  background: var(--pale-blue);
  color: var(--muted);
}

.site-footer {
  display: flex;
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: 36px 0;
  border-top: 1px solid var(--line);
  justify-content: space-between;
  gap: 30px;
  color: var(--muted);
  font-size: 13px;
}
.site-footer strong, .site-footer span { display: block; }
.site-footer strong {
  color: var(--navy);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
}
.footer-school { color: var(--muted); text-decoration: none; }
.footer-school:hover { color: var(--blue); }

@media (max-width: 850px) {
  .desktop-nav { display: none; }
  .mobile-nav { display: block; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 5px; }
  .orbit-figure { width: 100%; height: auto; max-width: 600px; margin-top: 0; }
  .content-grid, .travel-grid { grid-template-columns: 1fr; }
  .travel-grid { gap: 22px; }
}

@media (max-width: 650px) {
  .header-inner, .page-wrap, .site-footer { width: min(calc(100% - 28px), var(--max)); }
  .wordmark small { display: none; }
  .page-wrap { padding-top: 45px; }
  .hero h1 { font-size: 39px; }
  .people-grid, .price-grid { grid-template-columns: 1fr; }
  .director { grid-template-columns: 1fr; gap: 4px; }
  .content-grid { gap: 50px; }
  .schedule-placeholder > p, .week-strip, .section-lead, .price-grid, .travel-grid {
    margin-left: 0;
  }
  .week-strip { grid-template-columns: 1fr; }
  .week-strip span { border-right: 0; border-bottom: 1px solid var(--line); }
  .week-strip span:last-child { border-bottom: 0; }
  .site-footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }