* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
    color: #333;
}

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

header {
    background: #0f172a;
    color: #fff;
    padding: 1rem 0;
}

.logo {
    float: left;
}

nav {
    float: right;
}

nav ul {
    list-style: none;
}

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

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
}

header::after {
    content: "";
    display: block;
    clear: both;
}

.hero {
    background: linear-gradient(to right, #0f172a, #1e293b);
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section {
    padding: 60px 0;
    text-align: center;
}

.light {
    background: #f4f4f4;
}

.grid {
    display: flex;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.card {
    background: white;
    padding: 20px;
    width: 300px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.btn {
    display: inline-block;
    background: #38bdf8;
    color: white;
    padding: 10px 20px;
    margin-top: 20px;
    text-decoration: none;
    border-radius: 4px;
    border: none;
    cursor: pointer;
}

.btn:hover {
    background: #0284c7;
}

form {
    max-width: 500px;
    margin: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

input, textarea {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

textarea {
    min-height: 120px;
}

footer {
    background: #0f172a;
    color: white;
    padding: 20px 0;
    text-align: center;
}