:root {
  --green: #2e7d32;
  --green-dark: #1f5d24;
  --green-light: #e8f5e9;
  --cream: #f7f9f7;
  --white: #ffffff;
  --text: #1f1f1f;
  --muted: #626b63;
  --border: #dfe8df;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--cream);
  line-height: 1.65;
}

a { color: var(--green-dark); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(247, 249, 247, 0.96);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.nav {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--green-dark);
  font-size: 1.15rem;
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 12px;
}

.nav-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.nav-links a {
  font-weight: 700;
  text-decoration: none;
}

main {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  min-height: 68vh;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 48px;
  padding: 72px 0;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--green);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 18px;
  font-size: clamp(2.6rem, 7vw, 5.1rem);
  line-height: 0.98;
  color: var(--green-dark);
}

.hero-copy {
  max-width: 700px;
  font-size: 1.2rem;
  color: var(--muted);
}

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

.button {
  display: inline-block;
  padding: 13px 20px;
  border-radius: 14px;
  font-weight: 800;
  text-decoration: none;
  border: 2px solid var(--green);
}

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

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

.hero-image {
  width: min(100%, 410px);
  justify-self: center;
  border-radius: 34px;
  box-shadow: 0 18px 45px rgba(31, 93, 36, 0.16);
}

.features {
  padding: 26px 0 76px;
}

.section-title {
  color: var(--green-dark);
  font-size: 2rem;
  margin-bottom: 18px;
}

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

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 24px;
  box-shadow: 0 8px 24px rgba(31, 93, 36, 0.06);
}

.card h2, .card h3 {
  margin-top: 0;
  color: var(--green-dark);
}

.page {
  max-width: 820px;
  padding: 58px 0 80px;
}

.page h1 {
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  line-height: 1.08;
}

.page h2 {
  margin-top: 34px;
  color: var(--green-dark);
}

.notice {
  padding: 18px;
  border-radius: 14px;
  background: var(--green-light);
  border: 1px solid #cce4ce;
}

footer {
  padding: 28px 16px;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted);
}

@media (max-width: 760px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
    padding-top: 46px;
  }

  .hero-copy { margin-inline: auto; }
  .actions { justify-content: center; }
  .hero-image { max-width: 290px; }
  .card-grid { grid-template-columns: 1fr; }
  .nav { align-items: flex-start; padding: 12px 0; }
  .nav-links { justify-content: flex-end; gap: 12px; }
}