* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body { 
    background-color: #fff;
    min-height: 100vh;
    overflow-y: auto;
}

.container {
    width: 100%;
    max-width: 765px;
    margin: 0 auto;
    padding: 65vw 10vw 155vw 10vw;
    background-size: cover;
    background-position: center;
    position: relative;
    z-index: 1;
}

.containerPhoneInput {
    padding: 50% 1.25rem;
    background-size: contain; /* or 'cover' or exact size like '100% auto' */
    background-position: center;
    background-repeat: no-repeat;
    background-position: bottom center;
    max-width: 765px;
    margin: auto;
    aspect-ratio: 393/852;
    text-align: center;
    position: relative;
    background-color: #e87988; 
}
 
.logo {
    width: 25%;
    margin-top: 5vw;
    margin-bottom: 4.875rem;
    display: inline-block;
    object-fit: contain;
}

.content {
    text-align: left;
    margin: 0 auto;
    padding: 0;
    width: 70%;
}

.containerPhoneInput img.gif {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%; /* match container width */
    height: 100%; /* match container height */
    object-fit: cover; /* make GIF fill without distortion */
    pointer-events: none; /* let clicks go through */
}
.message { 
    font-size: 4vw;
    font-style: italic;
    font-weight: normal;
    color: #FDF9F7;
}
/* Mobile (max-width: 768px) */
@@media (max-width: 768px) {
    .message {
        line-height: 1.625rem;
        margin-bottom: 1.75rem;
        letter-spacing: -0.3px;
    }
}

.input-group {
    width: 100%;
    margin: 15vw 0 0 0;
}

input {
    width: 100%;
    padding: 0.6875rem 0;
    border-radius: 4px;
    font-size: 5vw;
    font-weight: normal;
    outline: none; 
    text-align: center;
    font-style: italic;
    border: 1px solid #FDF9F7;
    color: #FDF9F7;
    background-color: #e87988;
}

    input::placeholder {
        color: #FDF9F7;
    }
    input:last-child {
        margin-bottom: 0;
    }

  

.arrow-down img {
    width: 100%;
}

.subtitle { 
    font-size: 5vw;
    font-style: italic;
    max-width: 80%;
    margin: auto;
    text-align: center;
}
 
.sender-name { 
    font-weight: bold;
}

.mp3 {
    display: block;
    width: 50px;
    margin: 5px auto;
}

.thiep {
    width: 100%;
    position: relative;
}

.thiep-top {
    width: 100%;
    height: 30vw; 
    background-size: 100% 100%;
    background-repeat: no-repeat;
    display: block;
    margin-bottom: -1px;
    position: relative;
    z-index: 2;
}

.thiep-content {
    width: 100%; 
    background-size: 100% 100%;
    background-repeat: repeat-y;
    padding: 5vw 0;
    display: block;
    margin-top: -5vw;
    margin-bottom: -1px;
    position: relative;
    z-index: 1;
}

.thiep-bottom {
    width: 100%;
    height: 10vw; 
    background-size: 100% 100%;
    background-repeat: no-repeat;
    display: block;
    margin-top: -1px;
    position: relative;
}

.message-box { 
    font-size: 3.5vw;
    line-height: 1.5;
    margin: 0 auto;
    width: 85%;
    min-height: 50px;
}

.title { 
    font-size: 24px;
    font-style: italic;
    margin-bottom: 8px;
}

.content-box {
    width: 70%;
    margin: 0 auto;
}


.image-box { 
    border-radius: 4px;
    padding: 8px;
    margin-bottom: 16px;
}

    .image-box p {
        font-size: 4vw;
        padding: 2vw 0;
        color: white;
        text-align: center;
    }

.swiper {
    width: 100%;
    border-radius: 0.25rem;
    height: auto;
}

.swiper-slide {
    height: auto;
}

    .swiper-slide img {
        width: 100%;
        display: block;
        border-radius: 0.25rem;
        height: auto;
    }

   

.page-wrapper {
    width: 100%; 
    position: relative;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column; 
    background-position: top center, bottom center, left 0, right 0;
    background-repeat: no-repeat, no-repeat, repeat-y, repeat-y;
    background-size: 100% auto, 100% auto, 100% auto, 100% auto;
}

.btn-footer {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
    text-align: center;
    font-size: 4vw;
}

.btn {
    color: white;
    padding: 0.6875rem 0;
    border: none;
    border-radius: 4px;
    font-size: 5vw;
    font-weight: normal;
    cursor: pointer;
    transition: background-color 0.3s;
    width: 50%; 
    letter-spacing: 0.3px; 
    position:fixed;
    bottom:5%;
    left:25%;
}

    .btn:disabled {
        background-color: #e0e0e0; /* light gray */
        color: #9e9e9e; /* muted text */
        cursor: not-allowed; /* shows blocked cursor */
        opacity: 0.7; /* slightly faded look */
    }

.btn-selection {
    margin-top:10px;
    color: #E87988;
    background-color: #FEF8F6;
    padding: 0.6875rem 0;
    border: none;
    border-radius: 4px;
    font-size: 5vw;
    font-weight: normal;
    cursor: pointer;
    transition: background-color 0.3s;
    width: 100%;
    letter-spacing: 0.3px;
}
.floral-border {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background-size: cover;
    opacity: 0.1;
    z-index: -1;
}

.btn-secondary { 
    border-radius: 5px;
    width: 50%;
    line-height: 30px;
    font-size: 3.5vw; 
    border: none;
    margin: auto;
    display: block;
    margin-top: 10px;
    text-decoration: none;
    text-align: center;
    position: relative;
    z-index: 100;
    float: left;
}

.createContainer {
    width: 100%;
    margin: 0 auto;
}


 

.content {
    color: #E75480;
}
 
.subtitle {
    color: #DE7F8E;
}

.sender-name {
    color: #AD1E48;
}


.thiep {
    width: 100%;
    position: relative;
}

.thiep-top {
    background-image: url('../images/thiep1.1.png');
}

.thiep-content {
    background-image: url('../images/thiep1.2.png');
}

.thiep-bottom {
    background-image: url('../images/thiep1.3.png');
}

.message-box {
    background: #AD1E48;
    color: white;
}

.title {
    color: #DE7F8E;
}




.image-box {
    background: #AD1E48;
}
 
.swiper-pagination-bullet {
    background: rgba(255, 255, 255, 0.5);
}

.swiper-pagination-bullet-active {
    background: #fff;
}

.swiper-button-next,
.swiper-button-prev {
    color: #fff;
}



.btn {
    background-color: #FDF9F7;
    color: #e87988;
}

    .btn:hover {
        background-color: #941b3f;
    }

.floral-border {
    background-image: url('../images/hoa1.jpg');
}

.btn-secondary {
    background-color: #928A46;
    color: #FFFEF8;
}

.page-wrapper {
    background-color: #fffdf5;
}
.caption {
    text-align: center;
    padding: 5vw 0;
    color: #857B30;
    font-size: 4vw;
}