body {
    margin: 0;
    padding: 0;
    font-family: "Inter", Arial, sans-serif;
    background: linear-gradient(135deg, #07131f, #0d1f2e);
    color: #ffffff;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    width: 90%;
    max-width: 650px;
    padding: 40px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(12px);
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.4);
    text-align: center;
}

h1 {
    font-size: 32px;
    margin-bottom: 10px;
    font-weight: 600;
}

p {
    font-size: 16px;
    opacity: 0.85;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    margin: 10px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: 0.25s ease;
}

.btn-primary {
    background: #00d1b2;
    color: #0a1a2a;
}

.btn-primary:hover {
    background: #00b89c;
}

.btn-outline {
    border: 2px solid #00d1b2;
    color: #00d1b2;
}

.btn-outline:hover {
    background: #00d1b2;
    color: #0a1a2a;
}

.logo {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 25px;
    color: #00d1b2;
    letter-spacing: 1px;
}

footer {
    margin-top: 25px;
    font-size: 12px;
    opacity: 0.5;
}