@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Source+Serif+4:opsz,wght@8..60,500;8..60,600&display=swap');

:root {
  --ink: #181714;
  --muted: #625e57;
  --paper: #fffefa;
  --warm: #f5f2eb;
  --line: rgba(39, 34, 27, 0.13);
  --navy: #16263f;
  --navy-deep: #0d192b;
  --gold: #b58a42;
  --gold-soft: #efe3cb;
  --white: #ffffff;
  --focus: #1168d8;
  --shadow: 0 4px 18px rgba(35, 31, 24, 0.04), 0 2px 8px rgba(35, 31, 24, 0.025);
  --measure: 700px;
  --wide: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.72;
  text-rendering: optimizeLegibility;
}
a { color: var(--navy); text-underline-offset: 3px; }
a:hover { color: #284a79; }
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--white);
  background: var(--navy-deep);
  border-radius: 4px;
  font-size: 14px;
  font-weight: 700;
}
.skip-link:focus { top: 12px; color: var(--white); }
a:focus-visible, summary:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--focus), transparent 38%);
  outline-offset: 4px;
  border-radius: 4px;
}

.site-header {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  max-width: var(--wide);
  margin: 0 auto;
  padding: 14px 28px;
  border-bottom: 1px solid var(--line);
}
.brand {
  color: var(--ink);
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
  white-space: nowrap;
}
.site-header nav { display: flex; align-items: center; gap: 26px; }
.site-header nav a { color: #3f3c37; font-size: 14px; font-weight: 600; text-decoration: none; }
.site-header nav a:hover { color: var(--ink); }
.site-header .nav-cta {
  color: var(--white);
  background: var(--navy);
  padding: 9px 14px;
  border-radius: 5px;
}
.site-header .nav-cta:hover { color: var(--white); background: var(--navy-deep); }

.page-shell {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 92px 28px 112px;
}
.page-shell > .eyebrow,
.page-shell > h1,
.page-shell > .dek { max-width: 920px; }
.eyebrow {
  margin: 0 0 16px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
h1, h2, h3 {
  margin-top: 0;
  color: var(--ink);
  font-family: "Source Serif 4", Georgia, serif;
  font-weight: 600;
  text-wrap: balance;
}
h1 {
  max-width: 980px;
  margin-bottom: 24px;
  font-size: clamp(2.8rem, 6.3vw, 4.8rem);
  line-height: 0.99;
  letter-spacing: -0.055em;
}
.dek {
  margin: 0 0 64px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.55;
}
h2 {
  margin: 72px 0 20px;
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
}
h3 { font-size: 1.35rem; line-height: 1.25; letter-spacing: -0.02em; }
p { margin: 0 0 1.3em; }
.lead {
  color: var(--ink);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: clamp(1.35rem, 2.6vw, 1.75rem);
  line-height: 1.48;
  letter-spacing: -0.015em;
}

.content, .positioning { max-width: var(--measure); }
.content > :first-child, .positioning > :first-child { margin-top: 0; }
.content ul, .content ol, .check-list { padding-left: 1.4em; }
.content li, .check-list li { margin-bottom: 0.75em; padding-left: 0.25em; }
.content strong { font-weight: 700; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: -28px 0 72px; }
.button {
  display: inline-block;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 5px;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.35;
  text-decoration: none;
  transition: transform 140ms ease, background 140ms ease, border-color 140ms ease;
}
.button:hover { transform: translateY(-1px); }
.button.primary { color: var(--white); background: var(--navy); }
.button.primary:hover { color: var(--white); background: var(--navy-deep); }
.button.secondary { color: var(--navy-deep); background: #eeeae1; border-color: #7a756d; }
.button.secondary:hover { border-color: rgba(22, 38, 63, 0.38); }
.text-link { font-weight: 700; text-decoration-thickness: 1px; }

.section { margin-top: 110px; }
.section-heading { max-width: 760px; margin-bottom: 34px; }
.section-heading h2 { margin-top: 0; }
.card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.card {
  position: relative;
  min-height: 230px;
  display: flex;
  flex-direction: column;
  padding: 28px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease;
}
.card:hover { color: var(--ink); transform: translateY(-3px); border-color: rgba(181, 138, 66, 0.5); }
.card > span { color: var(--gold); font-size: 12px; font-weight: 700; letter-spacing: 0.12em; }
.card h3 { margin: auto 0 10px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.65; }
.card::after { content: "Explore →"; margin-top: 18px; color: var(--navy-deep); font-size: 13px; font-weight: 700; letter-spacing: 0.03em; }

.callout {
  max-width: 900px;
  margin: 96px 0 0;
  padding: 42px;
  background: var(--navy);
  color: rgba(255, 255, 255, 0.78);
  border-radius: 14px;
}
.callout h2 { margin: 0 0 18px; color: var(--white); }
.callout .eyebrow { color: #e7c989; }
.callout .button { margin: 10px 8px 0 0; }
.callout .button.primary { color: var(--navy); background: var(--white); }
.callout .button.secondary { color: var(--white); background: transparent; border-color: rgba(255,255,255,0.35); }
.callout .text-link { color: var(--white); }

.split { max-width: 980px; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 54px; align-items: start; }
.quote {
  margin-top: 70px;
  padding: 32px;
  background: var(--warm);
  border-left: 3px solid var(--gold);
  border-radius: 0 10px 10px 0;
}
.quote p { font-family: "Source Serif 4", Georgia, serif; font-size: 1.45rem; line-height: 1.45; }
.quote span { color: var(--muted); font-size: 13px; font-weight: 700; }
.check-list { list-style: none; padding-left: 0; }
.check-list li { position: relative; padding-left: 28px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--gold); font-weight: 700; }

.faq { max-width: var(--measure); margin-top: 96px; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 20px 4px; color: var(--ink); font-weight: 700; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "+"; display: inline-block; width: 24px; color: var(--navy-deep); font-size: 20px; font-weight: 700; }
.faq details[open] summary::before { content: "−"; }
.faq details p { padding: 0 4px 20px; color: var(--muted); }
.sources { max-width: var(--measure); margin-top: 84px; padding-top: 28px; border-top: 1px solid var(--line); }
.sources h2 { margin: 0 0 16px; font-family: Inter, sans-serif; font-size: 1rem; letter-spacing: 0; }
.sources ul { margin: 0; padding: 0; list-style: none; }
.sources li { display: flex; justify-content: space-between; gap: 24px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.sources li span { color: var(--muted); white-space: nowrap; }

footer { background: var(--warm); border-top: 1px solid var(--line); }
footer p { max-width: var(--wide); margin: 0 auto; padding: 34px 28px; color: #2f2d29; font-size: 15px; font-weight: 500; }

@media (max-width: 760px) {
  body { font-size: 16px; }
  .site-header { min-height: 64px; padding: 12px 20px; }
  .site-header nav > a:not(.nav-cta) { display: none; }
  .site-header .nav-cta { padding: 8px 10px; font-size: 12px; }
  .page-shell { padding: 64px 20px 84px; }
  h1 { font-size: clamp(2.55rem, 13vw, 4rem); }
  .dek { margin-bottom: 48px; }
  .hero-actions { margin-top: -18px; margin-bottom: 56px; }
  .hero-actions .button { width: 100%; text-align: center; }
  .section { margin-top: 82px; }
  .card-grid, .split { grid-template-columns: 1fr; }
  .card { min-height: 200px; }
  .callout { margin-top: 72px; padding: 30px 24px; }
  .quote { margin-top: 0; }
  .sources li { display: block; }
  .sources li span { display: block; margin-top: 3px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}