:root {
  --ink: #1f2933;
  --muted: #64748b;
  --blue: #415a77;
  --blue-dark: #1f3552;
  --blue-soft: #778da9;
  --sand: #d6c7b0;
  --sand-soft: #f2eadf;
  --bg: #f8f9fa;
  --white: #ffffff;
  --line: rgba(31, 41, 51, 0.12);
  --shadow: 0 24px 70px rgba(31, 53, 82, 0.14);
  --radius: 26px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1140px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 88px 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 22px;
  padding: 16px min(5vw, 64px);
  background: rgba(248, 249, 250, 0.9);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; color: var(--blue-dark); letter-spacing: -0.02em; }
.brand img { width: 44px; height: 44px; }
.main-nav { display: flex; align-items: center; gap: 20px; font-size: 0.94rem; color: var(--muted); }
.main-nav a { transition: color .2s ease; }
.main-nav a:hover, .main-nav .active { color: var(--blue-dark); }
.contact-link { padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px; background: var(--white); }

.hero {
  position: relative;
  min-height: 730px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, #f8f9fa 0%, #eef3f8 52%, #f2eadf 100%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(31,53,82,.88), rgba(65,90,119,.62), rgba(214,199,176,.42)),
    url('images/built-hero.svg') center/cover no-repeat;
  clip-path: polygon(45% 0, 100% 0, 100% 100%, 22% 100%);
  opacity: .96;
}
.hero-content { position: relative; max-width: 740px; }
.eyebrow { margin: 0 0 12px; text-transform: uppercase; letter-spacing: .14em; font-weight: 800; color: var(--blue); font-size: .78rem; }
.hero h1 { margin: 0 0 20px; font-size: clamp(3.2rem, 8vw, 7.2rem); line-height: .92; letter-spacing: -0.075em; color: var(--blue-dark); }
.hero-lead { font-size: clamp(1.35rem, 2.5vw, 2.1rem); line-height: 1.2; color: var(--blue-dark); margin: 0 0 22px; font-weight: 700; max-width: 720px; }
.hero-text { font-size: 1.08rem; color: #3f4d5d; max-width: 680px; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 12px 20px; border-radius: 999px; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn.primary { background: var(--blue-dark); color: white; box-shadow: 0 12px 28px rgba(31,53,82,.25); }
.btn.secondary { background: rgba(255,255,255,.85); color: var(--blue-dark); border: 1px solid var(--line); }

.two-column { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.align-start { align-items: start; }
h2 { margin: 0 0 18px; font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1; letter-spacing: -0.055em; color: var(--blue-dark); }
h3 { margin: 0 0 12px; line-height: 1.18; color: var(--blue-dark); }
p { margin-top: 0; }
.highlight-card {
  background: var(--white);
  padding: 34px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.highlight-card:before { content: ""; position: absolute; inset: 0 0 auto 0; height: 8px; background: linear-gradient(90deg, var(--blue), var(--sand)); }
.highlight-card p { color: #3f4d5d; margin-bottom: 0; font-size: 1.08rem; }

.themes-section { background: var(--white); }
.section-heading { max-width: 760px; margin-bottom: 36px; }
.section-heading.narrow { text-align: center; margin: 0 auto 32px; }
.section-heading p { color: var(--muted); font-size: 1.05rem; }
.theme-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.theme-card {
  min-height: 255px;
  padding: 28px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, #ffffff, #f7fafc);
  border: 1px solid var(--line);
  transition: transform .2s ease, box-shadow .2s ease;
}
.theme-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.icon { display: inline-flex; width: 48px; height: 48px; border-radius: 14px; background: var(--sand-soft); color: var(--blue-dark); align-items: center; justify-content: center; font-weight: 900; margin-bottom: 22px; }
.theme-card p { color: var(--muted); margin-bottom: 0; }

.research-section { background: linear-gradient(180deg, #eef3f8, #f8f9fa); }
.research-section p { color: #4c5d6e; }
.publication-list { display: grid; gap: 16px; }
.publication-card {
  display: block;
  padding: 24px;
  background: rgba(255,255,255,.88);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 12px 35px rgba(31,53,82,.08);
  transition: transform .2s ease, box-shadow .2s ease;
}
.publication-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.publication-card span { display: inline-block; margin-bottom: 8px; font-size: .72rem; font-weight: 900; letter-spacing: .12em; text-transform: uppercase; color: var(--blue); }
.publication-card p { margin-bottom: 0; color: var(--muted); }

.initiatives-section { background: var(--white); }
.pill-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; }
.pill-grid span { padding: 12px 18px; border-radius: 999px; background: #f7fafc; border: 1px solid var(--line); color: var(--blue-dark); font-weight: 750; }

.connection-card {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 36px;
  align-items: center;
  background: var(--blue-dark);
  color: white;
  border-radius: 34px;
  padding: clamp(30px, 5vw, 58px);
  overflow: hidden;
  position: relative;
}
.connection-card:after { content: ""; position: absolute; width: 380px; height: 380px; right: -140px; top: -120px; border-radius: 50%; background: rgba(214,199,176,.18); }
.connection-card h2, .connection-card .eyebrow { color: white; }
.connection-card p { color: rgba(255,255,255,.78); margin-bottom: 0; }
.mini-links { position: relative; display: grid; gap: 12px; z-index: 1; }
.mini-links a { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.18); padding: 16px 18px; border-radius: 18px; font-weight: 850; }

.cta-section { padding-top: 20px; }
.cta-card { text-align: center; max-width: 880px; background: linear-gradient(135deg, #ffffff, #f2eadf); border: 1px solid var(--line); border-radius: 34px; padding: clamp(32px, 6vw, 66px); box-shadow: var(--shadow); }
.cta-card p { color: #4c5d6e; }

.site-footer { background: #111827; color: white; padding: 36px 0; }
.footer-inner { display: flex; justify-content: space-between; gap: 28px; align-items: center; }
.site-footer p { margin: 6px 0 0; color: rgba(255,255,255,.62); }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; color: rgba(255,255,255,.75); }
.footer-links a:hover { color: white; }

@media (max-width: 900px) {
  .site-header { position: static; align-items: flex-start; flex-direction: column; }
  .main-nav { width: 100%; overflow-x: auto; padding-bottom: 4px; }
  .hero { min-height: auto; padding-top: 90px; }
  .hero-bg { clip-path: none; opacity: .16; }
  .two-column, .connection-card { grid-template-columns: 1fr; }
  .theme-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 620px) {
  .container { width: min(100% - 28px, 1140px); }
  .section { padding: 64px 0; }
  .theme-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .brand span { font-size: .96rem; }
  .main-nav { gap: 14px; font-size: .88rem; }
}
