:root {
  --ink: #1d2b24;
  --muted: #5c6b63;
  --line: #e3e8e4;
  --bg: #f7f9f7;
  --card: #ffffff;
  --accent: #2f7d5b;
  --accent-dark: #245f46;
  --radius: 14px;
  --maxw: 1080px;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Header */
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.brand .mark {
  width: 26px; height: 26px; border-radius: 7px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  display: inline-block;
}
.nav a { margin-left: 22px; color: var(--muted); font-weight: 500; font-size: 0.95rem; }
.nav a:hover { color: var(--ink); }

/* Hero */
.hero {
  padding: 76px 0 64px;
  text-align: center;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.1rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
}
.hero p { font-size: 1.15rem; color: var(--muted); max-width: 620px; margin: 0 auto 28px; }
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  border: none;
  cursor: pointer;
}
.btn:hover { background: var(--accent-dark); text-decoration: none; }

/* Sections */
section { padding: 56px 0; }
.section-title { font-size: 1.6rem; letter-spacing: -0.01em; margin: 0 0 28px; text-align: center; }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
}
.card h3 { margin: 0 0 8px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.97rem; }

.band { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.band .wrap { max-width: 760px; }
.band h2 { font-size: 1.5rem; letter-spacing: -0.01em; }
.band p { color: var(--muted); }

/* Confirmation */
.confirm {
  min-height: calc(100vh - 68px - 160px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
}
.confirm .inner { max-width: 520px; }
.check {
  width: 72px; height: 72px; border-radius: 50%;
  background: #e7f3ec; color: var(--accent-dark);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 26px;
  font-size: 2rem;
}
.confirm h1 { font-size: 1.9rem; letter-spacing: -0.01em; margin: 0 0 14px; }
.confirm p { color: var(--muted); font-size: 1.05rem; margin: 0 0 14px; }
.confirm .note { font-size: 0.92rem; color: var(--muted); margin-top: 22px; }

/* Legal / content pages */
.content { padding: 56px 0; max-width: 760px; }
.content h1 { font-size: 2rem; letter-spacing: -0.02em; margin: 0 0 8px; }
.content .lede { color: var(--muted); margin: 0 0 32px; }
.content h2 { font-size: 1.2rem; margin: 32px 0 8px; }
.content p { color: var(--ink); }

/* Footer */
.site-footer {
  background: var(--card);
  border-top: 1px solid var(--line);
  padding: 34px 0;
  margin-top: 20px;
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
}
.site-footer .links a { margin-right: 18px; color: var(--muted); font-size: 0.9rem; }
.site-footer .copy { color: var(--muted); font-size: 0.86rem; }

@media (max-width: 760px) {
  .grid { grid-template-columns: 1fr; }
  .nav a { margin-left: 14px; }
  .hero { padding: 54px 0 44px; }
}