* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.container {
    text-align: center;
}

.card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 48px 64px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.title {
    font-size: 3rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.6);
    font-weight: 400;
}

@media (max-width: 640px) {
    .card {
        padding: 32px 24px;
        margin: 16px;
    }

    .title {
        font-size: 2rem;
    }
}