:root {
  --ink: #242220;
  --muted: #6b625c;
  --paper: #fbfaf7;
  --warm-panel: #f1ebe4;
  --line: #ded5cb;
  --accent: #315f9f;
  --accent-dark: #244a7f;
  --blue: #315f9f;
  --pale-blue: #e7edf7;
  --blue-wash: #f1f5fb;
  --clay: #a85f3f;
  --soft-green: #e0ebe4;
  --white: #ffffff;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: Baskerville, "Baskerville Old Face", "Libre Baskerville", Georgia, serif;
}

a {
  color: var(--accent);
}

img {
  display: block;
  max-width: 100%;
}

.site-nav {
  align-items: center;
  background: rgba(251, 250, 247, 0.94);
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 6vw;
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  color: var(--ink);
  font-size: 1rem;
  font-weight: 750;
  letter-spacing: 0;
  text-decoration: none;
}

.nav-links {
  align-items: center;
  display: flex;
  gap: 1.4rem;
}

.nav-links a,
.site-footer a {
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 650;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a[aria-current="page"],
.site-footer a:hover {
  color: var(--accent-dark);
}

.hero-section,
.section,
.about-hero,
.page-header {
  margin: 0 auto;
  max-width: 1160px;
  padding: 72px 6vw;
}

.hero-section {
  align-items: center;
  display: grid;
  gap: 56px;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.72fr);
}

.eyebrow,
.section-kicker,
.project-meta {
  color: var(--blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  margin-bottom: 0.85rem;
  text-transform: uppercase;
}

.hero-copy h1,
.page-header h1 {
  color: var(--ink);
  font-size: clamp(3.2rem, 8vw, 7rem);
  font-weight: 760;
  line-height: 0.9;
  margin-bottom: 1.3rem;
  max-width: 820px;
}

.hero-text,
.page-header p,
.large-text {
  color: var(--muted);
  font-size: 1.18rem;
  line-height: 1.75;
  max-width: 720px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.button {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: inline-flex;
  font-weight: 750;
  gap: 0.55rem;
  justify-content: center;
  min-height: 48px;
  padding: 0.75rem 1rem;
  text-decoration: none;
}

.button.primary {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--white);
}

.button.secondary {
  background: var(--white);
  color: var(--ink);
}

.button:hover {
  transform: translateY(-1px);
}

.hero-image {
  background: var(--pale-blue);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin: 0;
  overflow: hidden;
}

.hero-image img {
  aspect-ratio: 4 / 5;
  height: 100%;
  object-fit: cover;
  object-position: center 36%;
  width: 100%;
}

.airy-hero {
  min-height: calc(100vh - 72px);
  padding-bottom: 92px;
  padding-top: 92px;
}

.intro-band,
.split-section {
  align-items: start;
  border-bottom: 1px solid var(--line);
  border-top: 1px solid var(--line);
  display: grid;
  gap: 32px;
  grid-template-columns: 0.9fr 1.1fr;
}

.intro-band h2,
.split-section h2,
.section-heading h2 {
  color: var(--ink);
  font-size: clamp(1.7rem, 3vw, 2.7rem);
  font-weight: 740;
  line-height: 1.08;
}

.intro-band p,
.split-section p,
.project-card p,
.about-hero p,
.capability-grid p,
.course-card p {
  color: var(--muted);
  line-height: 1.7;
}

.section-heading {
  margin-bottom: 2.8rem;
  max-width: 720px;
}

.section-heading p:not(.section-kicker) {
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

.project-grid {
  display: grid;
  gap: 1.25rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.project-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  overflow: hidden;
}

.project-card.featured {
  grid-column: span 1;
}

.project-card img {
  aspect-ratio: 16 / 11;
  object-fit: cover;
  width: 100%;
}

.project-content {
  padding: 1.7rem;
}

.project-content h3,
.capability-grid h3 {
  color: var(--ink);
  font-size: 1.35rem;
  font-weight: 750;
  margin-bottom: 0.7rem;
}

.text-link {
  align-items: center;
  display: inline-flex;
  font-weight: 760;
  gap: 0.4rem;
  text-decoration: none;
}

.placeholder-card {
  background: var(--white);
}

.placeholder-mark {
  align-items: center;
  background: var(--pale-blue);
  color: var(--blue);
  display: flex;
  font-size: 2rem;
  height: 138px;
  justify-content: center;
}

.quiet-card {
  min-height: 330px;
}

.quiet-card:nth-of-type(3) .placeholder-mark {
  background: var(--blue-wash);
  color: var(--blue);
}

.quiet-card:nth-of-type(5) .placeholder-mark {
  background: var(--blue-wash);
  color: var(--blue);
}

.coursework-callout {
  align-items: center;
  background: linear-gradient(135deg, var(--pale-blue), var(--blue-wash));
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  gap: 2rem;
  justify-content: space-between;
  margin-bottom: 52px;
  margin-top: 28px;
}

.coursework-callout h2 {
  color: var(--ink);
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  font-weight: 740;
}

.coursework-callout p {
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 0;
}

.callout-copy {
  max-width: 640px;
}

.about-hero {
  align-items: center;
  display: grid;
  gap: 52px;
  grid-template-columns: minmax(260px, 0.62fr) minmax(0, 1fr);
}

.about-hero figure {
  border-radius: 8px;
  margin: 0;
  overflow: hidden;
}

.about-hero img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
  width: 100%;
}

.about-hero h1 {
  color: var(--ink);
  font-size: clamp(2.4rem, 5vw, 4.6rem);
  font-weight: 760;
  line-height: 1;
  margin-bottom: 1rem;
}

.capability-grid,
.course-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.capability-grid > div,
.course-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.25rem;
}

.capability-grid i {
  color: var(--blue);
  display: inline-block;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.page-header {
  padding-bottom: 32px;
}

.course-card {
  color: var(--ink);
  min-height: 188px;
  text-decoration: none;
}

.course-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.course-card span {
  color: var(--blue);
  display: block;
  font-size: 0.8rem;
  font-weight: 800;
  margin-bottom: 0.85rem;
  text-transform: uppercase;
}

.course-card h2 {
  color: var(--ink);
  font-size: 1.2rem;
  font-weight: 750;
}

.final-card {
  background: var(--pale-blue);
}

.site-footer {
  align-items: center;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  margin: 36px auto 0;
  max-width: 1160px;
  padding: 28px 6vw;
}

.site-footer p {
  color: var(--ink);
  font-weight: 800;
  margin: 0;
}

.site-footer div {
  display: flex;
  gap: 1rem;
}

/* Shared styling for older PS70 subpages that still use Bootstrap templates. */
.navbar.bg-dark,
.navbar.navbar-dark {
  background: rgba(251, 250, 247, 0.96) !important;
  border-bottom: 1px solid var(--line);
  min-height: 72px;
}

.navbar-dark .navbar-brand,
.navbar-dark .navbar-nav .nav-link,
.navbar-dark .navbar-toggler {
  color: var(--ink) !important;
}

.navbar-brand {
  font-weight: 760;
  letter-spacing: 0;
}

.navbar-dark .navbar-nav .nav-link {
  color: var(--muted) !important;
  font-weight: 650;
  text-transform: capitalize;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus {
  color: var(--blue) !important;
}

.navbar-dark .navbar-toggler {
  border-color: var(--line);
}

.flex-shrink-0 > .py-5,
main > .py-5 {
  padding-bottom: 72px !important;
  padding-top: 64px !important;
}

article {
  color: var(--ink);
}

article header {
  border-bottom: 1px solid var(--line);
  margin-bottom: 2.2rem !important;
  padding-bottom: 1.4rem;
}

article h1,
article .fw-bolder.mb-1 {
  color: var(--ink);
  font-size: clamp(2.4rem, 6vw, 4.8rem);
  font-weight: 760 !important;
  line-height: 0.98;
  margin-bottom: 1rem !important;
}

article h2,
article .h2 {
  color: var(--ink);
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  font-weight: 740 !important;
  line-height: 1.08;
}

article p,
article .fs-5,
.textcontainer p,
#aboutme {
  color: var(--muted) !important;
  font-size: 1.12rem !important;
  line-height: 1.78;
}

article .text-muted,
.text-muted {
  color: var(--muted) !important;
}

.badge.bg-secondary {
  background: var(--pale-blue) !important;
  border: 1px solid #cfdcf0;
  color: var(--blue) !important;
  font-weight: 700;
}

article figure {
  margin: 2rem 0;
}

article img,
article video {
  border: 1px solid var(--line);
  border-radius: 8px !important;
  height: auto;
  max-width: 100%;
}

article video {
  background: var(--blue-wash);
  display: block;
  margin: 1.5rem 0;
}

pre,
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.bg-dark.py-4,
footer.bg-dark {
  background: var(--paper) !important;
  border-top: 1px solid var(--line);
}

footer.bg-dark,
footer.bg-dark .text-white,
footer.bg-dark .link-light {
  color: var(--muted) !important;
}

.feature.bg-primary,
.bg-primary {
  background: var(--blue) !important;
}

.btn-primary {
  background: var(--blue) !important;
  border-color: var(--blue) !important;
}

.btn-outline-primary {
  border-color: var(--blue) !important;
  color: var(--blue) !important;
}

.btn-outline-primary:hover {
  background: var(--blue) !important;
  color: var(--white) !important;
}

@media (max-width: 900px) {
  .hero-section,
  .intro-band,
  .split-section,
  .about-hero {
    grid-template-columns: 1fr;
  }

  .capability-grid,
  .course-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .coursework-callout {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .site-nav,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 1rem;
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 0.9rem;
  }

  .hero-section,
  .section,
  .about-hero,
  .page-header {
    padding: 48px 5vw;
  }

  .airy-hero {
    min-height: auto;
  }

  .hero-copy h1,
  .page-header h1 {
    font-size: 3.1rem;
  }

  .project-grid,
  .capability-grid,
  .course-grid {
    grid-template-columns: 1fr;
  }
}