:root {
  color-scheme: light;
  --ink: #17202a;
  --muted: #5c6875;
  --paper: #ffffff;
  --wash: #f4f6f8;
  --line: #d8e0e8;
  --blue: #1457d9;
  --green: #147a4b;
  --coral: #b4472d;
  --amber: #9a6a10;
  --shadow: 0 18px 38px rgba(23, 32, 42, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--wash);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

code {
  padding: 0.12rem 0.35rem;
  border: 1px solid rgba(20, 87, 217, 0.18);
  border-radius: 6px;
  background: rgba(20, 87, 217, 0.07);
  color: #123d88;
  font-size: 0.92em;
}

.site-header {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.99), rgba(239, 246, 255, 0.92)),
    var(--paper);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1120px, calc(100% - 32px));
  min-height: 68px;
  margin: 0 auto;
}

.brand {
  font-weight: 850;
}

.links {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 650;
}

.links a:hover,
.case-links a:hover,
.reading-grid a:hover,
footer a:hover {
  color: var(--blue);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.62fr);
  gap: 40px;
  align-items: end;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 72px 0 82px;
}

.avatar {
  width: 92px;
  height: 92px;
  border: 4px solid var(--paper);
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 16px 34px rgba(23, 32, 42, 0.14);
}

.eyebrow,
.case-kicker {
  margin: 0 0 8px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p,
dl,
dd {
  margin-top: 0;
}

h1 {
  max-width: 800px;
  margin-bottom: 16px;
  font-size: clamp(2.8rem, 8vw, 5.6rem);
  line-height: 0.96;
  letter-spacing: 0;
}

.intro {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.12rem;
}

.role-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
}

.role-row span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid rgba(20, 87, 217, 0.2);
  border-radius: 8px;
  background: rgba(20, 87, 217, 0.07);
  color: #123d88;
  font-size: 0.84rem;
  font-weight: 750;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.primary,
.secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  font-weight: 800;
}

.primary {
  color: #fff;
  background: var(--blue);
}

.secondary {
  color: var(--blue);
  background: rgba(20, 87, 217, 0.08);
  border: 1px solid rgba(20, 87, 217, 0.24);
}

.hero-panel {
  padding: 24px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-panel h2 {
  margin-bottom: 14px;
  font-size: 1.2rem;
}

.hero-panel ul,
.evidence-points {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.hero-panel li,
.evidence-points li {
  position: relative;
  padding-left: 16px;
  color: var(--muted);
}

.hero-panel li::before,
.evidence-points li::before {
  position: absolute;
  left: 0;
  color: var(--green);
  content: "•";
}

.section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 64px 0;
}

.section + .section {
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 840px;
  margin-bottom: 24px;
}

.section-heading h2 {
  margin-bottom: 8px;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.section-heading p:last-child {
  color: var(--muted);
  font-size: 1.02rem;
}

.case-list {
  display: grid;
  gap: 18px;
}

.case-card {
  padding: 26px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.case-card.highlight {
  border-color: rgba(20, 87, 217, 0.34);
}

.case-card h3,
.evidence-grid h3,
.research-list h3 {
  margin-bottom: 10px;
  font-size: 1.28rem;
  line-height: 1.2;
  letter-spacing: 0;
}

.case-summary {
  max-width: 920px;
  color: var(--muted);
  font-size: 1.02rem;
}

.case-details {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 22px 0;
}

.case-details div {
  padding-top: 12px;
  border-top: 2px solid rgba(20, 87, 217, 0.14);
}

.case-details dt {
  margin-bottom: 6px;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.case-details dd {
  color: var(--muted);
}

.case-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 20px;
}

.case-links a {
  color: var(--coral);
  font-weight: 850;
}

.evidence-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.evidence-grid article,
.research-list article {
  min-height: 170px;
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.evidence-grid p,
.research-list p {
  color: var(--muted);
}

.research-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.reading-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 10px;
}

.reading-grid a {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 14px;
  color: #123d88;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 800;
}

footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: min(1120px, calc(100% - 32px));
  min-height: 78px;
  margin: 0 auto;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 900px) {
  .hero,
  .case-details,
  .evidence-grid,
  .research-list {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 24px;
    padding: 48px 0 58px;
  }
}

@media (max-width: 680px) {
  .nav,
  .links,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    justify-content: center;
    padding: 16px 0;
  }

  .links {
    gap: 8px;
  }

  .case-card,
  .hero-panel,
  .evidence-grid article,
  .research-list article {
    padding: 20px;
  }

  .section {
    padding: 48px 0;
  }

  footer {
    justify-content: center;
    padding: 20px 0;
  }
}

/* Layout for the current portfolio case-study homepage. */
.hero {
  display: block;
  width: min(1000px, calc(100% - 32px));
  padding: 72px 0 86px;
}

.focus-grid,
.project-grid,
.research-list,
.reading-grid {
  display: grid;
  gap: 16px;
}

.focus-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.research-list,
.reading-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.focus-grid article,
.project,
.research-list article,
.reading-item {
  min-height: 170px;
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.project-wide {
  grid-column: span 2;
}

.project-type {
  margin-bottom: 8px;
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.compact-list {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 6px;
}

.tags span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 9px;
  color: var(--green);
  background: rgba(20, 122, 75, 0.08);
  border: 1px solid rgba(20, 122, 75, 0.18);
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 800;
}

.project a {
  display: inline-flex;
  margin-top: 12px;
  color: var(--coral);
  font-weight: 850;
}

.project p,
.focus-grid p,
.research-list p,
.reading-item p,
.section-copy {
  color: var(--muted);
}

.section-copy {
  max-width: 820px;
  margin-bottom: 24px;
}

.section-copy a,
.reading-item a {
  color: var(--blue);
  font-weight: 850;
}

.reading-grid a {
  display: inline;
  min-height: 0;
  padding: 0;
  color: var(--blue);
  background: transparent;
  border: 0;
  border-radius: 0;
  font-weight: 850;
}

@media (max-width: 900px) {
  .focus-grid,
  .project-grid,
  .research-list,
  .reading-grid {
    grid-template-columns: 1fr;
  }

  .project-wide {
    grid-column: auto;
  }
}