body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f7f7f7;
    color: #333;
    line-height: 1.6;
}
header {
    background: linear-gradient(135deg, #0a522a, #157a44);
    color: white;
    padding: 20px 20px;
    text-align: center;
}
header h1 {
    margin: 0 0 10px;
    font-size: 2.8rem;
}
header p {
    max-width: 650px;
    margin: auto;
    font-size: 1.2rem;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 40px auto;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-box {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.07);
}
.feature-box img {
    width: 100%;
    border-radius: 10px;
    margin-bottom: 15px;
    background: #ddd;
}

.screenshots {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 15px;
}
.screenshots img {
    width: 100%;
    border-radius: 12px;
    background: #ccc;
}

footer {
    background: #0a522a;
    color: white;
    padding: 40px 20px;
    text-align: center;
    margin-top: 50px;
}

.cta {
    text-align: center;
    margin-top: 50px;
}
.cta a {
    background: #157a44;
    color: white;
    padding: 15px 25px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    transition: background 0.3s;
}
.cta a:hover {
    background: #0f5d32;
}

div.center-container {
  width: 100%;
}

div.menu {
  display: grid;
  grid-template-columns: 7em 7em 7em 7em;
  grid-gap: 1em;
  margin: 3em auto 1em auto;
  justify-content: center;
}

.menu a {
  text-decoration: none;
  outline-color: transparent;
  text-align: center;
  line-height: 3;
  color: white;
  border: 1px;
  border-radius: 25px;
}

a:link,
a:visited,
a:focus {
  background: #387255;
  color: white;
}

a:hover {
  background: lightyellow;
  color: darkgreen;
}

a:active {
  background: darkgreen;
  color: white;
}