:root {
  color-scheme: light;
  --ink: #17201b;
  --muted: #5f6f66;
  --line: #d8e1dc;
  --surface: #f6f8f5;
  --accent: #147a52;
  --accent-ink: #ffffff;
  --mark: #e9f6ef;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #ffffff;
  line-height: 1.55;
}
a { color: var(--accent); }
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
}
nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
}
nav a { color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--ink); }
main {
  width: min(1080px, calc(100% - 36px));
  margin: 0 auto;
}
.hero {
  padding: clamp(48px, 8vw, 92px) 0 38px;
  max-width: 860px;
}
.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 13px;
}
h1 {
  margin: 0;
  font-size: clamp(42px, 7vw, 78px);
  line-height: .96;
  letter-spacing: 0;
}
.intro {
  max-width: 740px;
  color: var(--muted);
  font-size: clamp(18px, 2.2vw, 23px);
}
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }
.button {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 7px;
  background: var(--accent);
  color: var(--accent-ink);
  text-decoration: none;
  font-weight: 750;
}
.button-secondary {
  background: #ffffff;
  color: var(--ink);
  border: 1px solid var(--line);
}
.section, .answer-box {
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
h2 {
  margin: 0 0 12px;
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: 0;
}
ul {
  margin: 0;
  padding-left: 22px;
  color: var(--muted);
  font-size: 17px;
}
li + li { margin-top: 8px; }
.answer-box {
  margin: 28px 0 54px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--mark);
}
.answer-box p { margin: 0; color: var(--muted); font-size: 18px; }
footer {
  border-top: 1px solid var(--line);
  padding: 28px clamp(18px, 4vw, 56px);
  color: var(--muted);
  background: var(--surface);
}
footer p { max-width: 980px; margin: 0 auto 8px; }

@media (max-width: 720px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  nav { gap: 10px 14px; }
  .answer-box { padding: 20px; }
}