:root {
  color: #1d211a;
  background: #f5f1e6;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Microsoft YaHei", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 10% 0%, rgba(184, 208, 159, 0.45), transparent 28rem),
    #f5f1e6;
}

a {
  color: inherit;
}

.site-header,
main,
.site-footer {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
}

.site-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1.25rem 0;
  border-bottom: 1px solid #c8c2b2;
}

.brand {
  font-weight: 900;
  text-decoration: none;
  letter-spacing: -0.03em;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  color: #555d4d;
  font-size: 0.92rem;
}

nav a {
  text-decoration: none;
}

.hero {
  padding: 7rem 0 5rem;
  max-width: 960px;
}

.page {
  padding: 5rem 0;
}

.eyebrow {
  margin: 0 0 1rem;
  color: #58744e;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 980px;
  margin-bottom: 1.4rem;
  font-family: Georgia, "Times New Roman", "Microsoft YaHei", serif;
  font-size: clamp(3rem, 7vw, 6.8rem);
  line-height: 0.95;
  letter-spacing: -0.06em;
}

h2 {
  font-family: Georgia, "Times New Roman", "Microsoft YaHei", serif;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

h3 {
  font-size: 1.15rem;
}

.lede {
  max-width: 760px;
  color: #4c5446;
  font-size: clamp(1.1rem, 2vw, 1.38rem);
  line-height: 1.7;
}

.muted {
  color: #687062;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 2.8rem;
  padding: 0.75rem 1rem;
  border: 1px solid #1d211a;
  border-radius: 999px;
  background: #1d211a;
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}

.button.secondary {
  background: transparent;
  color: #1d211a;
}

.section {
  padding: 4.5rem 0;
  border-top: 1px solid #c8c2b2;
}

.section-heading {
  margin-bottom: 2rem;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 1.1fr);
  gap: 2rem;
  align-items: start;
}

.stack > * + * {
  margin-top: 1rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.cards.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.cards.one-column {
  grid-template-columns: 1fr;
}

.card,
.notice,
.offer {
  border: 1px solid #c8c2b2;
  border-radius: 1.25rem;
  background: rgba(255, 255, 255, 0.58);
}

.card {
  padding: 1.35rem;
}

.card.feature {
  background: rgba(255, 255, 255, 0.76);
}

.card a {
  font-weight: 800;
}

.plain-list {
  margin: 0;
  padding-left: 1.25rem;
  line-height: 1.9;
}

.offer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: center;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: #203121;
  color: #f8f4e9;
}

.offer .muted {
  color: #cbd4c4;
}

.notice {
  padding: 1.2rem;
  border-left: 5px solid #be6a43;
}

.timeline {
  display: grid;
  gap: 1rem;
}

.timeline div {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid #c8c2b2;
}

.timeline span {
  color: #58744e;
  font-weight: 900;
}

.timeline h2 {
  margin-bottom: 0.4rem;
  font-size: clamp(1.4rem, 2vw, 2rem);
}

.site-footer {
  padding: 2rem 0 3rem;
  border-top: 1px solid #c8c2b2;
  color: #687062;
  font-size: 0.9rem;
}

@media (max-width: 820px) {
  .site-header,
  .two-column,
  .cards,
  .cards.three,
  .offer,
  .timeline div {
    grid-template-columns: 1fr;
  }

  .site-header {
    display: grid;
  }

  .hero {
    padding-top: 4rem;
  }
}