body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    line-height: 1.7;
    color: #333;
}

h1,h2,h3 {
    font-weight: 700;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
    padding: 80px 0;
}

.section-light { background: #F5F7F6; }

.btn {
    padding: 14px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    margin: 10px 5px;
    transition: .3s;
}

.btn-primary {
    background: #1B5E20;
    color: white;
}

.btn-primary:hover { background: #E65100; }

header {
    background: #1B5E20;
    padding: 20px 0;
}

nav {
    width: 90%;
    max-width: 1200px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav ul {
    list-style: none;
    display: flex;
    padding: 0;
}

nav ul li { margin-left: 20px; }

nav ul li a {
    color: white;
    text-decoration: none;
}

.hero {
    background: linear-gradient(rgba(0,0,0,.6), rgba(0,0,0,.6));
    text-align: center;
    padding: 150px 20px;
    color: white;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
    gap: 30px;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

form input, form textarea {
    width: 100%;
    padding: 12px;
    margin-bottom: 15px;
    border-radius: 8px;
    border: 1px solid #ccc;
}

footer {
    background: #1B5E20;
    color: white;
    text-align: center;
    padding: 60px 20px;
}

@media(max-width:768px){
.hero h1{font-size:30px;}
nav{flex-direction:column;}
}