:root {
  --ink: #0a0a0a;
  --paper: #fafaf9;
  --white: #ffffff;
  --line: #e7e5e4;
  --muted: #52525b;
  --soft: #71717a;
  --emerald: #10b981;
  --wa: #25d366;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.68;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-underline-offset: 3px; }
img { display: block; max-width: 100%; }
.container { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.reading { width: min(780px, calc(100% - 40px)); margin: 0 auto; }

nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(250, 250, 249, .94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { min-height: 70px; display: flex; align-items: center; gap: 24px; }
.logo { text-decoration: none; font-family: "Space Grotesk", Inter, sans-serif; font-weight: 700; letter-spacing: -.02em; }
.logo span { color: var(--soft); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; margin-left: 5px; }
.nav-links { margin-left: auto; display: flex; gap: 20px; align-items: center; font-size: 14px; font-weight: 600; }
.nav-links a { text-decoration: none; color: #3f3f46; }
.nav-links a:hover { color: var(--ink); }
.nav-links a.nav-cta { color: var(--white); }
.nav-links a.nav-cta:hover { color: var(--white); background: #27272a; }
.nav-cta, .button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 11px 18px;
  background: var(--ink);
  color: var(--white);
  text-decoration: none;
  font-weight: 700;
}

.crumb { padding-top: 26px; color: var(--soft); font-size: 13px; }
.hero { padding: 66px 0 54px; border-bottom: 1px solid var(--line); }
.eyebrow { color: #047857; font-family: "Space Grotesk", Inter, sans-serif; font-size: 12px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3 { font-family: "Space Grotesk", Inter, sans-serif; letter-spacing: -.025em; line-height: 1.16; }
h1 { max-width: 900px; margin: 14px 0 18px; font-size: clamp(42px, 7vw, 76px); }
.hero .lede { max-width: 780px; margin: 0; color: var(--muted); font-size: clamp(18px, 2.4vw, 23px); }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.button.secondary { background: var(--white); color: var(--ink); border: 1px solid var(--line); }

section { padding: 62px 0; }
section.alt { background: var(--white); border-block: 1px solid var(--line); }
h2 { margin: 0 0 12px; font-size: clamp(29px, 4vw, 43px); }
h3 { margin: 0 0 8px; font-size: 20px; }
.section-lede { max-width: 760px; margin: 0 0 28px; color: var(--muted); font-size: 18px; }
.answer { background: var(--white); border: 1px solid var(--line); border-left: 4px solid var(--emerald); border-radius: 14px; padding: 18px 20px; margin: 22px 0; font-size: 17px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card { background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 22px; }
.card p { margin: 0; color: var(--muted); }
.alt .card { background: var(--paper); }
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.step { padding: 20px; border-top: 2px solid var(--ink); }
.step::before { counter-increment: step; content: "0" counter(step); display: block; color: var(--emerald); font-family: "Space Grotesk"; font-weight: 700; margin-bottom: 10px; }
table { width: 100%; border-collapse: collapse; margin: 20px 0; background: var(--white); }
th, td { padding: 13px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { font-family: "Space Grotesk"; font-size: 14px; }
.checklist { padding-left: 22px; columns: 2; column-gap: 36px; }
.checklist li { break-inside: avoid; margin-bottom: 9px; }
.related { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-top: 24px; }
.related a { background: var(--white); border: 1px solid var(--line); border-radius: 12px; padding: 14px; text-decoration: none; font-size: 14px; font-weight: 700; }
.related a[aria-current="page"] { border-color: var(--emerald); box-shadow: inset 0 0 0 1px var(--emerald); }
.cta { background: var(--ink); color: var(--white); border-radius: 24px; padding: 40px; }
.cta p { color: #d4d4d8; max-width: 720px; }
.cta .button { background: var(--wa); color: #052e16; }
.note { font-size: 13px; color: var(--soft); }
footer { border-top: 1px solid var(--line); padding: 34px 0; color: var(--soft); font-size: 13px; }

@media (max-width: 860px) {
  .nav-links a:not(.nav-cta) { display: none; }
  .grid, .steps { grid-template-columns: repeat(2, 1fr); }
  .related { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .container, .reading { width: min(100% - 28px, 1120px); }
  .nav-inner { gap: 10px; }
  .logo span { display: none; }
  .nav-cta { padding: 9px 13px; font-size: 13px; }
  .hero { padding-top: 46px; }
  .grid, .steps, .related { grid-template-columns: 1fr; }
  .checklist { columns: 1; }
  .cta { padding: 28px 22px; }
}