:root {
  --color-leaf: #7AC143;
  --color-leaf-dark: #4B8B2B;
  --color-leaf-light: #B6E09C;
  --color-bg: #F5F7F6;
  --color-border: #D1D5D8;
  --color-text-main: #222C22;
  --color-white: #FFFFFF;
  --color-success: #4CAF50;
  --color-warning: #FFC107;
  --color-error: #F44336;
}

html, body {
  font-family: 'Inter', 'Roboto', Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text-main);
  margin: 0;
  padding: 0;
}

.navbar {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 70px;
  box-shadow: 0 2px 8px rgba(34,44,34,0.03);
}

.logo {
  display: flex;
  align-items: center;
  gap: 18px;
  font-family: 'Merriweather Sans', 'Inter', Arial, sans-serif;
  font-weight: 700;
  font-size: 2.2rem;
  color: var(--color-leaf-dark);
  letter-spacing: 1.5px;
}

.logo img {
  height: 60px;
  width: auto;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 36px;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--color-leaf-dark);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.08rem;
  letter-spacing: 0.5px;
  transition: color 0.2s;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover, .nav-links a:focus {
  color: var(--color-leaf);
  border-bottom: 2px solid var(--color-leaf);
}

.hero {
  max-width: 820px;
  margin: 56px auto 0 auto;
  background: var(--color-white);
  border-radius: 16px;
  box-shadow: 0 4px 32px rgba(34,44,34,0.08);
  padding: 56px 40px 40px 40px;
  text-align: center;
}

.hero h1 {
  font-size: 2.7rem;
  font-weight: 800;
  color: var(--color-leaf-dark);
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.hero h2 {
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--color-leaf);
  margin-bottom: 30px;
}

.hero p {
  font-size: 1.13rem;
  color: var(--color-text-main);
  margin-bottom: 36px;
  line-height: 1.7;
}

.cta-btn {
  background: var(--color-leaf-dark);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 1em 2.5em;
  font-size: 1.15rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(34,44,34,0.07);
  transition: background 0.2s, box-shadow 0.2s;
}

.cta-btn:hover, .cta-btn:focus {
  background: var(--color-leaf);
  box-shadow: 0 4px 16px rgba(34,44,34,0.13);
}

.features {
  max-width: 1100px;
  margin: 64px auto 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 40px;
}

.feature-card {
  background: var(--color-white);
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(34,44,34,0.06);
  padding: 32px 24px;
  text-align: left;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 180px;
}

.feature-card h3 {
  color: var(--color-leaf-dark);
  font-size: 1.18rem;
  margin-bottom: 14px;
  font-weight: 700;
}

.feature-card p {
  color: var(--color-text-main);
  font-size: 1.02rem;
  line-height: 1.6;
}

.trust-bar {
  max-width: 900px;
  margin: 56px auto 0 auto;
  background: var(--color-leaf-light);
  border-radius: 8px;
  padding: 24px 32px;
  text-align: center;
  color: var(--color-leaf-dark);
  font-size: 1.08rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

footer {
  background: var(--color-leaf-dark);
  color: #fff;
  text-align: center;
  padding: 28px 0 10px 0;
  margin-top: 64px;
  font-size: 1rem;
}

@media (max-width: 900px) {
  .hero, .features, .trust-bar {
    padding: 18px;
  }
  .navbar {
    flex-direction: column;
    height: auto;
    padding: 0 10px;
  }
  .nav-links {
    gap: 18px;
  }
}

@media (max-width: 600px) {
  .hero {
    padding: 18px 6px;
  }
  .features {
    gap: 18px;
  }
}