@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap");

:root {
  --bg: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --card: #f8fafc;
  --accent: #059669;
  --accent-dark: #047857;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
}

body {
  font-family: "IBM Plex Sans", "Avenir Next", "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: var(--accent-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

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

.site {
  width: min(920px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 64px 0 80px;
}

.section {
  padding: 40px 0;
  border-top: 1px solid var(--line);
}

.section:first-of-type {
  border-top: 0;
  padding-top: 0;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: clamp(2rem, 3.7vw, 3rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
}

h2 {
  font-size: clamp(1.4rem, 2.2vw, 1.7rem);
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}

.lead {
  margin-top: 14px;
  color: var(--muted);
  max-width: 70ch;
  font-size: 1.04rem;
}

.top-nav {
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 0.95rem;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.kicker {
  margin-bottom: 10px;
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.body {
  color: var(--muted);
  max-width: 78ch;
}

.research-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.card {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 12px;
  padding: 20px;
}

.card-title {
  font-size: 1.12rem;
  line-height: 1.35;
}

.card-title.tight {
  font-size: 1rem;
}

.finding {
  margin-top: 10px;
  color: var(--muted);
}

.meta {
  margin-top: 14px;
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.86rem;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.meta-sep {
  color: #94a3b8;
}

.team-list {
  display: grid;
  gap: 12px;
}

.person {
  border-left: 3px solid var(--line);
  padding-left: 12px;
  color: var(--muted);
}

.person strong {
  color: var(--text);
  font-weight: 600;
}

.contact {
  font-size: 1.06rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
}

.footer-note {
  margin-top: 14px;
  color: var(--muted);
}

.callout-amber {
  border-color: #f59e0b;
  background: #fffbeb;
}

@media (min-width: 820px) {
  .research-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site {
    width: min(920px, calc(100vw - 28px));
    padding-top: 40px;
  }

  .section {
    padding: 30px 0;
  }
}