* {
    box-sizing: border-box;
}
body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: url('background.jpg') no-repeat center center fixed;
    background-size: cover;
    color: #ffffff;
}
.overlay {
    background-color: rgba(0, 0, 0, 0.6);
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}
.container {
    padding: 20px;
    max-width: 90%;
    width: 450px;
}
.logo {
    width: 100px;
    margin-bottom: 20px;
}
h1 {
    font-size: 2.8rem;
    color: #ffffff;
}
h2 {
    font-size: 3.0rem;
    color: #cccccc;
}
p {
    font-size: 1.2rem;
}
a {
    color: #00ae7a;
    text-decoration: underline;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
    100% { transform: scale(1); opacity: 1; }
}

.pulse-text {
    animation: pulse 2s infinite;
}


@media (max-width: 600px) {
    .container {
        width: 90%;
        padding: 15px;
    }

    .logo {
        width: 60px;
        margin-bottom: 15px;
    }

    h1 {
        font-size: 1.5rem;
    }

    h2 {
        font-size: 1.3rem;
    }

    p {
        font-size: 0.95rem;
    }

    .pulse-text {
        font-size: 1.3rem;
    }
}