/* Background style */
body {
    background-color: #ffc3da;
    margin: 0;
    padding: 0;
    text-align: center;
}

/* Envelope container */
.envelope-wrapper {
    height: 250px;
    padding-bottom: 60px;
}

#envelope {
    position: relative;
    height: 190px;
    width: 280px;
    margin: auto;
    top: 50%;
    background-color: #FF6863;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    border-radius: 6px;
}

/* Envelope and letter */
.front {
    position: absolute;
    width: 0;
    height: 0;
    z-index: 3;
}

.flap {
    border-top: 98px solid #FF6863;
    border-left: 140px solid transparent;
    border-right: 140px solid transparent;
    border-bottom: 82px solid transparent;
    transform-origin: top;
    transition: transform 0.4s ease;
}

.pocket {
    border-left: 140px solid #FF8BA0;
    border-right: 140px solid #FF8BA0;
    border-bottom: 100px solid #FFA8B5;
    border-top: 90px solid transparent;
    border-bottom-left-radius: 6px;
    border-bottom-right-radius: 6px;
}

.text1{
    height: fit-content;
}

/* Letter */
.letter {
    position: relative;
    background-color: white;
    width: 90%;
    height: 95%;
    top: 5%;
    border-radius: 10px;
    box-shadow: 0 2px 26px rgba(0, 0, 0, .12);
    margin: auto;
    transition: transform 0.4s ease;
}

/* Opening effect */
.open .flap {
    transform: rotateX(180deg);
    z-index: 1;
}

.open .letter {
    transform: translateY(-80px);
    z-index: 2;
}

/* Button styles */
.reset button {
    font-weight: 800;
    background-color: transparent;
    border: solid 2px #FF6863;
    border-radius: 4px;
    color: #FF6863;
    display: inline-block;
    font-size: 14px;
    text-transform: uppercase;
    margin: 20px;
    padding: 10px;
    min-width: 150px;
    cursor: pointer;
}

.reset button:hover {
    background-color: #FF6863;
    color: white;
}

/* Title style */
.valentine {
    font-family: Arial, Helvetica, sans-serif;
    color: #141414;
    font-size: 50px;
    margin-top: 100px;
}

.line4{
    margin-top: -10px;
}

/* Hearts floating out of the letter */
.heart {
    position: absolute;
    width: 40px;
    height: 40px;
    background: url('heart.png') no-repeat center center;
    background-size: contain;
    animation: floatUp 1s ease-in-out, fadeOut 1s ease-in-out; /* Faster animations */
    left: 50%; /* Position hearts in the horizontal center */
    top: 50%; /* Position hearts in the vertical center */
    transform: translate(-50%, -50%); /* Precisely center the hearts on both axes */
}

/* Animation for moving up */
@keyframes floatUp {
    0% {
        transform: translate(-50%, -50%) translateY(0); /* Start from the letter center */
    }
    100% {
        transform: translate(-50%, -50%) translateY(-450px); /* Fast upward movement */
    }
}

@keyframes fadeOut {
    0% {
        opacity: 1;
    }
    100% {
        opacity: 0; /* Hearts fade out as they rise */
    }
}

/* Hearts appearing on the cursor */
.cursor-heart {
    position: absolute;
    width: 20px;
    height: 20px;
    background: url('heart.png') no-repeat center center;
    background-size: contain;
    pointer-events: none;
    opacity: 1;
    animation: disappear 1s linear;
}

@keyframes disappear {
    0% {
        opacity: 1;
        transform: scale(1);
    }
    100% {
        opacity: 0;
        transform: scale(0);
    }
}

@media (max-width: 600px) {
    .text1 .title {
        font-size: 22px !important;
        padding: 0 10px;
    }

    .valentine {
        font-size: 28px;
        margin-top: 60px;
        padding: 0 10px;
    }

    #envelope {
        width: 240px;
        height: 160px;
    }

    .flap {
        border-top: 83px solid #FF6863;
        border-left: 120px solid transparent;
        border-right: 120px solid transparent;
        border-bottom: 70px solid transparent;
    }

    .pocket {
        border-left: 120px solid #FF8BA0;
        border-right: 120px solid #FF8BA0;
        border-bottom: 85px solid #FFA8B5;
        border-top: 75px solid transparent;
    }

    .letter .words {
        font-size: 12px;
        padding: 4px 8px;
    }

    .reset button {
        min-width: 110px;
        font-size: 12px;
        padding: 8px;
        margin: 10px;
    }

    .envelope-wrapper {
        height: 220px;
    }
}