:root {
  color-scheme: light;
  font-family: Inter, "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: #172033;
  background: #f6f7f9;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(246, 247, 249, 0.96)),
    #f6f7f9;
}

a {
  color: #8a5a00;
}

a:hover,
a:focus {
  color: #5f3e00;
}

.page-shell {
  width: min(980px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 0 24px;
}

.brand {
  color: #111827;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-decoration: none;
  text-transform: uppercase;
}

.topbar nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  color: #4b5563;
  font-size: 0.92rem;
}

.hero {
  padding: clamp(28px, 6vw, 54px) 0 clamp(22px, 4vw, 34px);
  border-top: 1px solid rgba(148, 163, 184, 0.34);
}

.eyebrow {
  margin: 0 0 12px;
  color: #9a6700;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  max-width: 760px;
  margin: 0;
  color: #0f172a;
  font-size: clamp(2.2rem, 7vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: 0;
}

.lede {
  max-width: 720px;
  margin: 22px 0 0;
  color: #334155;
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  line-height: 1.65;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid rgba(15, 23, 42, 0.14);
  border-radius: 8px;
  background: #101827;
  color: #fff;
  font-weight: 750;
  text-decoration: none;
}

.button.secondary {
  background: #fff;
  color: #101827;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.36fr);
  gap: clamp(22px, 4vw, 42px);
  align-items: start;
}

main,
aside {
  min-width: 0;
}

.panel {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid rgba(148, 163, 184, 0.24);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 16px 42px rgba(15, 23, 42, 0.07);
}

.panel + .panel {
  margin-top: 18px;
}

h2 {
  margin: 0 0 12px;
  color: #111827;
  font-size: clamp(1.35rem, 3vw, 2rem);
  line-height: 1.12;
}

h3 {
  margin: 20px 0 8px;
  color: #111827;
  font-size: 1.05rem;
}

p,
li {
  color: #374151;
  font-size: 1rem;
  line-height: 1.68;
}

ul {
  padding-left: 1.2rem;
}

.quick-list {
  display: grid;
  gap: 10px;
  padding: 0;
  list-style: none;
}

.quick-list li {
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.guide-nav {
  display: grid;
  gap: 10px;
}

.guide-nav a {
  display: block;
  padding: 10px 0;
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
  color: #1f2937;
  font-weight: 700;
  text-decoration: none;
}

.note {
  color: #64748b;
  font-size: 0.92rem;
}

.footer {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid rgba(148, 163, 184, 0.3);
  color: #64748b;
  font-size: 0.9rem;
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100% - 24px, 980px);
    padding-top: 18px;
  }

  .content-grid {
    grid-template-columns: 1fr;
  }
}