* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #0b1120;
    color: #e2e8f0;
    line-height: 1.8;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 25px;
}

header {
    text-align: center;
    margin-bottom: 55px;
}

.logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 20px;
    background: #2563eb;
    color: white;
    font-size: 48px;
    font-weight: bold;
    line-height: 80px;
}

h1 {
    font-size: 42px;
    letter-spacing: 8px;
    margin: 0;
    color: #f8fafc;
}

.subtitle {
    color: #94a3b8;
    font-size: 18px;
}

section {
    background: #111c30;
    border: 1px solid #1e293b;
    border-radius: 12px;
    padding: 25px 30px;
    margin-bottom: 20px;
}

h2 {
    color: #60a5fa;
    font-size: 22px;
    margin-top: 0;
}

a {
    color: #60a5fa;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

footer {
    margin-top: 40px;
    padding-top: 25px;
    border-top: 1px solid #334155;
    text-align: center;
    color: #94a3b8;
    font-size: 14px;
}

nav a {
    display: inline-block;
    margin: 8px 12px;
}