:root {
  /* Crisp, Cool Executive Palette */
  --bg: #f8fafc;        /* Main background: Very light cool gray */
  --header-bg: #0f172a; /* Header background: Deep Navy/Slate */
  --header-text: #f1f5f9; /* Navigation text: Light cool gray */
  --fg: #1e293b;        /* Body text: Deep slate */
  --muted: #64748b;     /* Muted gray */
  --rule: #e2e8f0;      /* Rule/Border color */
  --accent-card: #ffffff; /* Card background: Pure white for contrast */
  --link: #2563eb;      /* Professional blue for links */
  --max: 860px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--fg);
  font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  text-rendering: optimizeLegibility;
}

a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-thickness: 2px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

header {
  background-color: var(--header-bg);
  border-bottom: 1px solid #1e293b;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand a {
  text-decoration: none;
  font-weight: 800;
  color: #ffffff;
  font-size: 20px;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links a {
  text-decoration: none;
  color: var(--header-text);
  font-size: 13px;
  font-weight: 600;
  opacity: 0.8;
  transition: all 0.2s ease;
  border-bottom: 2px solid transparent;
  padding-bottom: 4px;
}

.nav-links a:hover {
  opacity: 1;
  border-bottom: 2px solid #ffffff;
}

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 18px;
}

section {
  padding: 80px 0;
  border-bottom: 1px solid var(--rule);
}

section:last-of-type {
  border-bottom: none;
}

h1 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.15;
  margin: 0 0 12px;
  letter-spacing: -0.02em;
  color: #0f172a;
}

h2 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 24px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #334155;
}

h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.3;
  margin: 32px 0 8px;
  color: #1e293b;
}

p {
  margin: 0 0 16px;
  color: var(--fg);
}

.lede {
  font-size: 16px;
  color: #334155;
  /* Removed max-width to ensure consistent alignment with other sections */
}

.meta {
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}

.hr {
  border: 0;
  border-top: 1px solid var(--rule);
  margin: 32px 0;
}

.list li {
  margin: 10px 0;
}

.card {
  background: var(--accent-card);
  border: 1px solid var(--rule);
  padding: 28px;
  margin: 28px 0;
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.kicker {
  font-weight: 700;
  font-size: 15px;
  color: #0f172a;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.footer {
  border-top: 1px solid var(--rule);
  padding: 64px 18px;
  max-width: var(--max);
  margin: 0 auto;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

@media (max-width: 700px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
}

@media (max-width: 520px) {
  h1 { font-size: 28px; }
  section { padding: 48px 0; }
  .nav-links { gap: 12px; flex-wrap: wrap; }
}

@media print {
  header { display: none; }
  body { background-color: #fff; }
  section { border-bottom: none; padding: 20px 0; }
}