:root {
  /* Updated gradient: Dark green → Light green */
  --primary-gradient: linear-gradient(135deg, #004d00, #66bb6a);
  --text-dark: #222;
  --text-light: #666;
  --background: #ffffff;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Poppins', sans-serif;
}

body {
  background-color: var(--background);
  color: var(--text-dark);
  line-height: 1.7;
  font-size: 16px;
}

/* FIXED HEADER SECTION */
header {
  background: var(--primary-gradient);
  color: #fff;
  text-align: center;
  padding: 100px 20px 140px;
  position: relative;
  overflow: hidden;
}

/* smooth curve at bottom */
header::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 80px;
  background: #ffffff;
  border-top-left-radius: 100% 40px;
  border-top-right-radius: 100% 40px;
}

header h1 {
  font-size: 38px;
  font-weight: 700;
  position: relative;
  z-index: 1;
}

header p {
  margin-top: 10px;
  font-size: 14px;
  opacity: 0.9;
  position: relative;
  z-index: 1;
}

/* MAIN CONTENT */
main {
  max-width: 900px;
  background: #fff;
  margin: -80px auto 60px auto;
  padding: 40px 30px;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
  position: relative;
  z-index: 2;
}

h2 {
  color: #1ece36;
  font-size: 22px;
  margin-top: 40px;
  margin-bottom: 10px;
  font-weight: 600;
}

p, li {

  margin-bottom: 14px;
}

ul {
  margin-left: 20px;
}

strong {
  color: #333;
}

a {
  color: #1ece36;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 30px;
  background-color:green;
  font-size: 14px;
  color: #f8f2f2;
  border-top: 1px solid #e5e5e5;
}

@media (max-width: 600px) {
  header {
    padding: 80px 15px 100px;
  }

  header h1 {
    font-size: 28px;
  }

  main {
    padding: 25px;
    margin: -60px 15px 40px 15px;
  }
}