body {
    margin: 0;
    font-family: system-ui, -apple-system, Arial;
    background: radial-gradient(circle at top, #0b1220, #05070d);
    color: #e5e7eb;
}

nav {
    display: flex;
    gap: 15px;
    padding: 15px 25px;
    background: rgba(255,255,255,0.04);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
}

nav a {
    color: #cbd5e1;
    text-decoration: none;
    transition: 0.2s;
}

nav a:hover {
    color: #38bdf8;
    transform: translateY(-1px);
}

.container {
    max-width: 1000px;
    margin: 60px auto;
    padding: 0 20px;
}

h1 {
    font-size: 40px;
    margin-bottom: 10px;
    background: linear-gradient(90deg, #38bdf8, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    padding: 20px;
    margin: 15px 0;
    border-radius: 14px;
    transition: 0.25s;
}

.card:hover {
    transform: translateY(-4px);
    border-color: rgba(56,189,248,0.4);
}

footer {
    text-align: center;
    opacity: 0.5;
    padding: 40px;
}