:root {
  --bg: #f8fafc;
  --text: #0f172a;
  --muted: #475569;
  --line: #dbe3ee;
  --primary: #2563eb;
  --primary-soft: #eff6ff;
  --card: #ffffff;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

.container {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
}

.hero {
  background: linear-gradient(135deg, #0f172a, #1d4ed8);
  color: white;
  padding: 5rem 0 4rem;
}

.hero-inner {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  color: #bfdbfe;
  font-weight: 700;
}

.eyebrow.dark {
  color: var(--primary);
}

h1, h2, h3 {
  line-height: 1.1;
  margin: 0 0 1rem;
}

h1 {
  font-size: clamp(2.8rem, 6vw, 4.8rem);
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}

.lead,
p,
li {
  color: var(--muted);
}

.hero .lead {
  color: rgba(255,255,255,0.9);
}

.section {
  padding: 4rem 0;
}

.alt {
  background: #f1f5f9;
}

.two-cols {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2rem;
  align-items: start;
}

.summary-card,
.item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1.4rem;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.06);
}

.summary-card ul,
.sources ul {
  margin: 0;
  padding-left: 1.2rem;
}

.section-title {
  max-width: 760px;
  margin-bottom: 2rem;
}

.timeline {
  display: grid;
  gap: 1rem;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.chips span {
  background: var(--primary-soft);
  color: var(--primary);
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  font-weight: 700;
}

.note {
  margin-top: 1rem;
  font-size: 0.95rem;
}

@media (max-width: 860px) {
  .two-cols {
    grid-template-columns: 1fr;
  }
}