:root {
  color-scheme: light;
  --bg: #f7f8f5;
  --surface: #ffffff;
  --text: #1f2a2e;
  --muted: #667176;
  --line: #dfe5df;
  --green: #2f6b4f;
  --green-dark: #174832;
  --mint: #dcebe1;
  --blue: #375f9c;
  --shadow: 0 18px 60px rgba(24, 48, 38, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header,
.site-footer,
main {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 8px;
  background: var(--green);
  color: white;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 18px;
  line-height: 1.2;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
}

.nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.nav a:hover,
.site-footer a:hover {
  color: var(--green);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 44px;
  align-items: center;
  min-height: 620px;
  padding: 44px 0 72px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 18px;
  color: var(--green-dark);
  font-size: clamp(56px, 8vw, 104px);
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  color: var(--green-dark);
  font-size: 34px;
  line-height: 1.2;
}

h3 {
  margin-bottom: 10px;
  font-size: 19px;
}

.lead {
  max-width: 640px;
  color: #344347;
  font-size: 20px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid var(--green);
  border-radius: 6px;
  font-weight: 700;
}

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

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

.hero-panel {
  display: grid;
  gap: 14px;
}

.hero-panel div,
.grid article,
.contact-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-panel div {
  padding: 24px;
}

.hero-panel span {
  display: block;
  margin-bottom: 18px;
  color: var(--green);
  font-weight: 800;
}

.hero-panel strong {
  display: block;
  margin-bottom: 8px;
  font-size: 22px;
}

.hero-panel p,
.grid p,
.contact p,
.legal p {
  margin-bottom: 0;
  color: var(--muted);
}

.section {
  padding: 80px 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 620px;
  margin-bottom: 30px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.grid article {
  padding: 24px;
}

.muted {
  background: linear-gradient(90deg, transparent, rgba(220, 235, 225, 0.55), transparent);
}

.company-list {
  display: grid;
  gap: 12px;
  margin: 0;
}

.company-list div {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 24px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.company-list dt {
  color: var(--muted);
}

.company-list dd {
  margin: 0;
  font-weight: 700;
}

.contact {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 420px);
  gap: 28px;
  align-items: center;
}

.contact-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px;
}

.contact-card span {
  color: var(--muted);
}

.contact-card strong {
  color: var(--green);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px 0 44px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.site-footer div {
  display: flex;
  gap: 16px;
}

.legal {
  max-width: 840px;
  padding: 64px 0 90px;
}

.legal h1 {
  font-size: 46px;
  line-height: 1.15;
}

.legal section {
  padding-top: 28px;
}

.updated {
  margin-bottom: 18px;
}

.legal a {
  color: var(--green);
  font-weight: 700;
}

@media (max-width: 760px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding: 30px 0 56px;
  }

  h1 {
    font-size: 58px;
  }

  .lead {
    font-size: 18px;
  }

  .grid,
  .contact {
    grid-template-columns: 1fr;
  }

  .company-list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .contact-card {
    align-items: flex-start;
    flex-direction: column;
  }
}
