* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: #0b0d12;
    color: #e7eaf0;
    font-family: "Segoe UI", Arial, sans-serif;
}

main {
    max-width: 950px;
    margin: auto;
    padding: 60px 25px;
}

.hero {
    text-align: center;
    padding: 50px 20px;
}

.badge {
    display: inline-block;
    padding: 7px 14px;
    border-radius: 20px;
    background: #151a24;
    border: 1px solid #293140;
    color: #9db7ff;
    font-size: 14px;
}

h1 {
    font-size: 64px;
    margin: 20px 0 10px;
    letter-spacing: -2px;
}

.hero p {
    max-width: 650px;
    margin: auto;
    color: #aeb6c5;
    font-size: 18px;
    line-height: 1.6;
}

.buttons {
    margin-top: 35px;
    display: flex;
    justify-content: center;
    gap: 15px;
}

a {
    text-decoration: none;
    padding: 13px 28px;
    border-radius: 10px;
    transition: 0.2s;
}

.primary {
    background: #4d7cff;
    color: white;
}

.primary:hover {
    background: #6790ff;
}

.secondary {
    background: #151a24;
    color: #e7eaf0;
    border: 1px solid #293140;
}

.secondary:hover {
    background: #202735;
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.card {
    background: #11151d;
    border: 1px solid #232a37;
    border-radius: 16px;
    padding: 25px;
}

.card h2 {
    margin-top: 0;
}

.card p,
.card li {
    color: #aeb6c5;
    line-height: 1.7;
}

ul {
    padding-left: 20px;
}

.about {
    margin-top: 20px;
}

footer {
    text-align: center;
    margin-top: 50px;
    color: #697386;
}