* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #0f172a;
    color: #f8fafc;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background-color: #1e293b;
    border-bottom: 1px solid #334155;
}

.logo {
    font-size: 1.25rem;
    font-weight: bold;
    color: #38bdf8;
}

nav a {
    color: #94a3b8;
    text-decoration: none;
    margin-left: 1.5rem;
    transition: color 0.2s;
}

nav a:hover {
    color: #38bdf8;
}

.hero {
    text-align: center;
    padding: 4rem 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: #f1f5f9;
}

.hero p {
    font-size: 1.1rem;
    color: #94a3b8;
    margin-bottom: 2rem;
}

button {
    background-color: #0284c7;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s;
}

button:hover {
    background-color: #0369a1;
}

.cards-container {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    padding: 2rem;
    flex-wrap: wrap;
    max-width: 1100px;
    margin: 0 auto;
}

.card {
    background-color: #1e293b;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid #334155;
    width: 280px;
}

.card h3 {
    margin-bottom: 0.5rem;
    color: #38bdf8;
}

.card p {
    color: #94a3b8;
    font-size: 0.95rem;
}

footer {
    margin-top: auto;
    text-align: center;
    padding: 1.5rem;
    background-color: #090d16;
    color: #64748b;
    font-size: 0.875rem;
}