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

body {
    background: #0d1117;
    color: white;
    line-height: 1.6;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 10%;
    background: #161b22;
}

.logo {
    font-size: 28px;
    font-weight: bold;
    color: #00bfff;
}

nav a {
    color: white;
    margin-left: 20px;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

nav a:hover {
    color: #00bfff;
}

.hero {
    text-align: center;
    padding: 100px 20px 60px 20px;
}

.hero h1 {
    font-size: 42px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 18px;
    color: #c0c0c0;
}

.search-box {
    margin-top: 30px;
}

.search-box input {
    padding: 14px;
    width: 250px;
    border-radius: 5px 0 0 5px;
    border: none;
    outline: none;
}

.search-box button {
    padding: 14px 20px;
    border: none;
    background: #00bfff;
    color: black;
    border-radius: 0 5px 5px 0;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.3s;
}

.search-box button:hover {
    background: #009acd;
}

.features, .how {
    padding: 60px 10%;
    text-align: center;
}

.features h2, .how h2 {
    font-size: 32px;
    margin-bottom: 30px;
    color: #00bfff;
}

.cards {
    display: flex;
    justify-content: space-around;
    margin-top: 30px;
    flex-wrap: wrap;
}

.card {
    background: #161b22;
    padding: 25px;
    width: 280px;
    border-radius: 12px;
    margin: 10px;
    box-shadow: 0 5px 15px rgba(0,191,255,0.2);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,191,255,0.4);
}

.card h3 {
    margin-bottom: 12px;
}

.how ol {
    text-align: left;
    max-width: 500px;
    margin: 0 auto;
    list-style-type: decimal;
}

footer {
    text-align: center;
    padding: 20px;
    background: #161b22;
    margin-top: 40px;
    color: #c0c0c0;
}