:root {
  --font-serif: Charter, "Bitstream Charter", "Iowan Old Style", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --marine-blue: #174a70;
  --marine-blue-dark: #0d2f49;
  --accent: #ad8744;
  --ink: #18232d;
  --muted: #63717d;
  --paper: #ffffff;
  --soft: #f3f6f8;
  --line: #dbe3e8;
  --radius: 2px;
  --shadow: none;
}

html { scroll-behavior: smooth; }
body {
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font-serif);
  font-size: 1.06rem;
  line-height: 1.76;
  font-kerning: normal;
  text-rendering: optimizeLegibility;
}

.navbar {
  --bs-navbar-color: var(--ink);
  --bs-navbar-hover-color: var(--marine-blue);
  --bs-navbar-active-color: var(--marine-blue-dark);
  --bs-navbar-brand-color: var(--marine-blue-dark);
  --bs-navbar-brand-hover-color: var(--marine-blue);
  --bs-navbar-toggler-border-color: var(--line);
  background: #fff !important;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-sans);
}
.navbar-title, .navbar-brand { font-weight: 650; letter-spacing: 0; }
.nav-link { font-weight: 550; }
.navbar .navbar-brand,
.navbar .nav-link { color: var(--ink); }
.navbar .nav-link:hover,
.navbar .nav-link:focus { color: var(--marine-blue); }
.navbar .nav-link.active { color: var(--marine-blue-dark); }

main.content { max-width: 1080px; }

h1, h2, h3, h4, h5, h6,
.quarto-title h1.title {
  font-family: var(--font-serif);
}

main.content a { color: var(--marine-blue); }
main.content a:hover { color: var(--marine-blue-dark); }

.quarto-title-block {
  margin-top: clamp(2.4rem, 6vw, 5rem);
  margin-bottom: .8rem;
}
.quarto-title h1.title {
  max-width: 800px;
  margin: 0 0 .5rem;
  font-size: clamp(2.35rem, 4.5vw, 3.65rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--marine-blue-dark);
}
.quarto-title .subtitle {
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 550;
}
.course-intro {
  margin: 0 auto 4rem;
  padding: 0 0 2.6rem;
  border-bottom: 1px solid var(--line);
}
.course-intro > p {
  max-width: 760px;
  margin: .7rem 0 1.15rem;
  color: var(--muted);
  font-size: 1.14rem;
}
.course-kicker {
  font-family: var(--font-sans);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--marine-blue);
}
.course-kicker p { margin-bottom: 0; }
.course-meta {
  margin: 1rem 0 1.5rem;
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: .86rem;
  font-weight: 600;
}
.course-meta p {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem .8rem;
  margin: 0;
}
.course-meta span + span {
  padding-left: .8rem;
  border-left: 1px solid var(--line);
}
.course-actions { display: flex; flex-wrap: wrap; gap: .6rem; }
.course-actions p { margin: 0; }
.course-actions .btn {
  border-radius: 2px;
  font-family: var(--font-sans);
  font-weight: 620;
}
.status {
  display: inline-flex;
  align-items: center;
  padding: .35rem .68rem;
  border-radius: 2px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.8);
  font-family: var(--font-sans);
  font-size: .78rem;
  font-weight: 650;
  color: var(--muted);
}
.status-live { color: var(--marine-blue-dark); background: #e8f0f5; border-color: #c0d1de; }
.status-next { color: #735818; background: #fff6df; border-color: #ead49b; }
.course-actions .btn-primary { color: #fff; }
.btn-primary { background: var(--marine-blue); border-color: var(--marine-blue); }
.btn-primary:hover { color: #fff; background: var(--marine-blue-dark); border-color: var(--marine-blue-dark); }
.btn-outline-primary { color: var(--marine-blue); border-color: var(--marine-blue); }

h2 { margin-top: 4rem; letter-spacing: -0.015em; font-weight: 600; }
h3 { letter-spacing: -0.01em; font-weight: 600; }

.faculty-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.1rem;
}
.faculty-card {
  padding: 1rem 0 0;
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}
.faculty-card > p:first-child { margin: 0; }
.faculty-photo {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 2px;
  background: var(--soft);
  margin-bottom: 1rem;
}
.faculty-card h3 { margin-top: .3rem; font-size: 1.2rem; }
.faculty-card p { color: var(--muted); font-size: .92rem; }
.faculty-links { display: flex; flex-wrap: wrap; gap: .5rem; }
.faculty-link {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: .82rem;
  padding: .32rem .55rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  text-decoration: none;
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .8rem;
  align-items: center;
}
.logo-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 166px;
  padding: 1rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #fff;
}
.logo-item p {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  width: 100%;
  margin: 0;
}
.logo-main-link {
  display: grid;
  flex: 1;
  place-items: center;
  width: 100%;
  text-decoration: none;
}
.logo-item img {
  display: block;
  width: auto;
  max-width: min(100%, 190px);
  height: 92px;
  margin: 0;
  object-fit: contain;
}
.logo-item img.logo-wide {
  width: min(100%, 220px);
  max-width: 220px;
  height: auto;
  max-height: 88px;
}
.logo-item img.logo-square { width: 100px; height: 100px; }
.institution-link {
  width: 100%;
  padding-top: .55rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-sans);
  font-size: .8rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
}

.schedule { border-top: 1px solid var(--line); }
.schedule-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1.6rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
}
.schedule-date {
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: .84rem;
  letter-spacing: .04em;
}
.schedule-date strong { color: var(--ink); }
.schedule-content h3 { margin: 0 0 .3rem; font-size: 1.06rem; }
.schedule-content p { margin-bottom: .5rem; color: var(--muted); }
.schedule-row.is-live { border-left: 3px solid var(--marine-blue); padding-left: 1rem; }
.schedule-row.is-next { border-left: 3px solid var(--accent); padding-left: 1rem; }
.schedule-link, .text-link { font-weight: 650; text-decoration: none; margin-right: .65rem; }

.lesson-card {
  display: grid;
  grid-template-columns: 68px 1fr;
  gap: 1.25rem;
  margin: 1rem 0;
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: #fff;
}
.lesson-live { box-shadow: var(--shadow); }
.lesson-next { background: #fffdf8; }
.lesson-number {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 2px;
  background: var(--marine-blue-dark);
  color: #fff;
  font-family: var(--font-sans);
  font-weight: 750;
  font-size: 1.1rem;
}
.lesson-body h3 { margin-top: 0; }
.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: .65rem;
  margin-top: 1rem;
}
.resource-box {
  padding: .8rem;
  border-radius: 2px;
  background: var(--soft);
  min-height: 78px;
  font-size: .9rem;
}
.muted { color: var(--muted); }

.tutorial-list { display: grid; gap: 1rem; }
.tutorial-item { border: 1px solid var(--line); border-radius: 2px; padding: 1.4rem; }

blockquote {
  border-left-color: var(--marine-blue);
  background: var(--soft);
  border-radius: 0;
  padding: .85rem 1rem;
}
code { color: #7f2c3d; }
code, pre, kbd, samp { font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace; }
pre { border-radius: 2px; }

.page-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-sans);
}

@media (max-width: 820px) {
  .faculty-grid { grid-template-columns: 1fr; }
  .logo-grid { grid-template-columns: repeat(2, 1fr); }
  .schedule-row { grid-template-columns: 78px 1fr; gap: .8rem; }
  .resource-grid { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .quarto-title-block { margin-top: 2rem; }
  .course-meta p { align-items: flex-start; flex-direction: column; }
  .course-meta span + span { padding-left: 0; border-left: 0; }
  .lesson-card { grid-template-columns: 1fr; }
  .lesson-number { width: 48px; height: 48px; }
  .logo-grid { grid-template-columns: 1fr 1fr; }
}