* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    background: linear-gradient(135deg, #ffebf0, #ffe0e6);
    height: 100vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Sparkling background */
.sparkle-background {
    position: absolute;
    width: 100%;
    height: 100vh;
    background: radial-gradient(closest-side, rgba(255, 255, 255, 0.8), transparent);
    animation: sparkle 5s infinite;
    z-index: -1;
}

@keyframes sparkle {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 200px 200px;
    }
}

/* Floating Balloons */
.balloon-container {
    position: absolute;
    top: 0;
    width: 100%;
    height: 100vh;
    pointer-events: none;
}

.balloon {
    position: absolute;
    bottom: -150px;
    width: 60px;
    height: 80px;
    background: linear-gradient(to bottom, #ff66b3, #ff4081);
    border-radius: 50%;
    animation: floatBalloon 7s ease-in-out infinite;
}

.balloon::before {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 20px;
    background-color: #333;
}

@keyframes floatBalloon {
    0% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-200px) rotate(10deg);
    }
    100% {
        transform: translateY(-400px) rotate(-10deg);
    }
}

.balloon:nth-child(odd) {
    animation-duration: 6s;
}

.balloon:nth-child(even) {
    animation-duration: 8s;
}

/* Gift Box Animation */
.gift-box-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 50px;
    position: relative;
}

.gift-box {
    width: 200px;
    height: 200px;
    background-color: #ff66b3;
    border-radius: 15px;
    position: relative;
    animation: rotateGiftBox 3s ease-in-out infinite;
 
}

.ribbon {
    position: absolute;
    width: 100%;
    height: 10px;
    background-color: #fff;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
}

button {
    margin-top: 20px;
    padding: 15px 30px;
    background-color: #ff4081;
    color: white;
    font-size: 1.2rem;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #e0559b;
}

@keyframes rotateGiftBox {
    0% {
        transform: rotate(0deg);
    }
    50% {
        transform: rotate(5deg);
    }
    100% {
        transform: rotate(0deg);
    }
}

/* Hidden surprise section */
.hidden {
    display: none;
}

/* Surprise section styling */
#surprise {
    text-align: center; /* Center the content */
    margin-top: 20px; /* Add some space above */
   
}

/* Confetti for surprise */
#confetti {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    pointer-events: none;
    z-index: 1;
}

#confetti div {
    position: absolute;
    width: 10px;
    height: 10px;
    background-color: #ff4081;
    animation: fall 3s ease-out infinite;
}

@keyframes fall {
    0% {
        transform: translateY(0) rotate(0);
    }
    100% {
        transform: translateY(100vh) rotate(360deg);
    }
}