:root {
  --bg: #f7faf3;
  --card: #ffffff;
  --ink: #1d2b1f;
  --muted: #5d6b60;
  --green: #258c37;
  --green-soft: #e8f5df;
  --line: #dbe5d7;
  --shadow: 0 20px 60px rgba(24, 64, 32, 0.08);
}

* { 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:
    radial-gradient(circle at top left, rgba(122, 218, 88, 0.18), transparent 28rem),
    linear-gradient(180deg, #fbfff8 0%, var(--bg) 100%);
  line-height: 1.65;
}

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

.site-header {
  max-width: 980px;
  margin: 0 auto;
  padding: 28px 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(35, 88, 38, 0.12);
}

nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.95rem;
}

main {
  max-width: 980px;
  margin: 0 auto;
  padding: 64px 22px 80px;
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 44px;
}

.hero-card, .content-card {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.hero-card { padding: 44px; }
.content-card { padding: 44px; max-width: 800px; }

.logo-panel {
  background: linear-gradient(180deg, #ffffff, #eef8e9);
  border: 1px solid var(--line);
  border-radius: 34px;
  padding: 34px;
  box-shadow: var(--shadow);
  text-align: center;
}

.logo-panel img {
  width: min(100%, 320px);
  border-radius: 28px;
}

h1 {
  margin: 0 0 18px;
  font-size: clamp(2.4rem, 5vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: -0.06em;
}

h2 {
  margin-top: 38px;
  margin-bottom: 12px;
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}

h3 {
  margin-top: 28px;
  margin-bottom: 8px;
  font-size: 1.05rem;
}

p { margin: 0 0 16px; }

.lead {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 64ch;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--green-soft);
  color: #22652e;
  font-weight: 650;
  font-size: 0.9rem;
  margin-bottom: 18px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-block;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--green);
  color: white;
  font-weight: 700;
}

.button.secondary {
  background: white;
  color: var(--green);
}

ul { padding-left: 1.25rem; }
li { margin-bottom: 8px; }

.notice {
  margin-top: 28px;
  padding: 18px;
  background: var(--green-soft);
  border: 1px solid #cde9c2;
  border-radius: 18px;
  color: #244d2a;
}

footer {
  max-width: 980px;
  margin: 0 auto;
  padding: 26px 22px 50px;
  color: var(--muted);
  font-size: 0.92rem;
}

@media (max-width: 760px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .hero { grid-template-columns: 1fr; }
  .hero-card, .content-card { padding: 28px; border-radius: 22px; }
  main { padding-top: 36px; }
}