:root {
  --bg: #f6f8f5;
  --text: #17231d;
  --muted: #647269;
  --green: #1f6f50;
  --green-dark: #134a38;
  --sand: #e9dcc2;
  --water: #d8ece8;
  --line: #d7ddd5;
  --white: #ffffff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  padding: 18px 7vw;
  background: rgba(246, 248, 245, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.brand {
  font-weight: 800;
  font-size: 22px;
  color: var(--green-dark);
  text-decoration: none;
}

nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}

nav a:hover {
  color: var(--green);
}

.hero {
  min-height: 76vh;
  display: flex;
  align-items: center;
  padding: 80px 7vw;
  background:
    linear-gradient(90deg, rgba(19, 74, 56, 0.88), rgba(19, 74, 56, 0.3)),
    url("https://images.unsplash.com/photo-1500530855697-b586d89ba3ee?auto=format&fit=crop&w=1800&q=80");
  background-size: cover;
  background-position: center;
  color: white;
}

.hero div {
  max-width: 720px;
}

.hero h1,
.page-title h1 {
  margin: 0 0 18px;
  font-size: clamp(38px, 7vw, 74px);
  line-height: 1.05;
  letter-spacing: 0;
}

.hero p,
.page-title p {
  max-width: 620px;
  margin: 0 0 28px;
  font-size: 20px;
}

.button {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 8px;
  background: var(--sand);
  color: var(--green-dark);
  text-decoration: none;
  font-weight: 800;
}

.section {
  padding: 72px 7vw;
}

.section h2 {
  margin: 0 0 28px;
  font-size: 34px;
  line-height: 1.15;
}

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

.cards article,
.list article {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 28px;
  box-shadow: 0 12px 30px rgba(23, 35, 29, 0.06);
}

.cards h2,
.cards h3,
.list h2 {
  margin: 0 0 10px;
  color: var(--green-dark);
}

.cards p,
.list p {
  margin: 0;
  color: var(--muted);
}

.wide {
  margin: 0 7vw 72px;
  padding: 46px;
  border-radius: 8px;
  background: var(--water);
}

.wide h2 {
  margin: 0 0 10px;
  font-size: 32px;
}

.wide p {
  margin: 0;
  max-width: 760px;
  color: #33443a;
}

.page-title {
  padding: 86px 7vw 54px;
  background: linear-gradient(135deg, var(--water), var(--sand));
}

.list {
  display: grid;
  gap: 18px;
}

footer {
  padding: 28px 7vw;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

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

  .hero {
    min-height: 68vh;
    padding-top: 64px;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .wide {
    margin-left: 7vw;
    margin-right: 7vw;
    padding: 28px;
  }
}