body {
    font-family: 'Poppins', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background: linear-gradient(135deg, #1f2a40, #0d1a26);
    color: #fff;
    text-align: center;
}

.container {
    width: 90%;
    max-width: 700px;
    padding: 20px;
}

h1 {
    font-size: 2.5rem;
    color: #ffd700;
    text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
    margin-bottom: 40px;
}

.button-wrapper {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.button {
    text-decoration: none;
    padding: 20px 40px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.2rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    display: flex;
    justify-content: center;
    align-items: center;
}

.button:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.button-yellow {
    background-color: #ffca28;
    color: #333;
}

.button-yellow .button-text {
    position: relative;
    z-index: 2;
}

.star-container {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
    pointer-events: none;
    overflow: hidden;
}

.star {
    position: absolute;
    background: #fff;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    box-shadow: 0 0 10px #fff, 0 0 20px #ffca28, 0 0 30px #ffeb3b;
    animation: twinkle 2s infinite ease-in-out;
}

.star-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.star-2 {
    top: 50%;
    right: 5%;
    width: 6px;
    height: 6px;
    animation-delay: 0.5s;
}

.star-3 {
    top: 35%;
    left: 80%;
    width: 10px;
    height: 10px;
    animation-delay: 1s;
}

.star-4 {
    top: 70%;
    left: 25%;
    animation-delay: 1.5s;
}

@keyframes twinkle {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

@media (max-width: 600px) {
    h1 {
        font-size: 2rem;
    }
    .button {
        padding: 15px 30px;
        font-size: 1rem;
    }
}