:root {
  --ink: #17342b;
  --muted: #65766f;
  --paper: #f4f1e8;
  --accent: #c6e1a7;
  --line: rgba(23, 52, 43, 0.16);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a { color: inherit; }

.site-header,
main,
footer {
  width: min(1120px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.leaf {
  width: 20px;
  height: 24px;
  border-radius: 100% 0 100% 0;
  background: var(--ink);
  transform: rotate(-12deg);
}

nav { display: flex; gap: 28px; }
nav a { color: var(--muted); font-size: 14px; text-decoration: none; }
nav a:hover { color: var(--ink); }

.hero {
  min-height: 660px;
  padding: 120px 0 100px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  background: radial-gradient(circle at 78% 42%, rgba(198, 225, 167, 0.75) 0 8%, transparent 8.5%), radial-gradient(circle at 78% 42%, transparent 0 16%, rgba(23, 52, 43, 0.08) 16.2% 16.5%, transparent 16.7%);
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1, h2, h3 { margin-top: 0; line-height: 1.05; letter-spacing: -0.045em; }
h1 { margin-bottom: 28px; max-width: 760px; font-family: Georgia, serif; font-size: clamp(64px, 10vw, 124px); font-weight: 400; }
h2 { font-family: Georgia, serif; font-size: clamp(42px, 6vw, 72px); font-weight: 400; }
h3 { margin-bottom: 14px; font-size: 22px; }

.intro { max-width: 560px; margin: 0 0 34px; color: var(--muted); font-size: 19px; }

.button {
  display: inline-block;
  padding: 13px 20px;
  border-radius: 999px;
  color: var(--paper);
  background: var(--ink);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.principles {
  padding: 110px 0;
  border-top: 1px solid var(--line);
}

.cards {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.cards article {
  min-height: 250px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.2);
}

.cards span { display: block; margin-bottom: 66px; color: var(--muted); font-size: 12px; }
.cards p { margin: 0; color: var(--muted); }

.note {
  margin-bottom: 110px;
  padding: 70px;
  border-radius: 24px;
  background: var(--accent);
}

.note h2 { max-width: 760px; }
.note > p:last-child { max-width: 700px; margin: 28px 0 0; font-size: 18px; }

footer {
  padding: 28px 0 42px;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 720px) {
  .site-header, main, footer { width: min(100% - 30px, 1120px); }
  nav { gap: 16px; }
  .hero { min-height: 570px; padding: 80px 0; background-position: center; }
  .cards { grid-template-columns: 1fr; }
  .cards article { min-height: 210px; }
  .cards span { margin-bottom: 40px; }
  .note { padding: 38px 26px; }
  footer { gap: 20px; flex-direction: column; }
}