@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@400;600;700&family=Quicksand:wght@500;700&display=swap');

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

body {
    font-family: 'Quicksand', sans-serif;
    background: #f9f5f8;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
    position: relative;
    padding: 15px;
}

/* Floating Hearts Background Animation */
.hearts-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.heart-bubble {
    position: absolute;
    bottom: -30px;
    font-size: 20px;
    user-select: none;
    animation: floatUp linear infinite;
    opacity: 0.7;
}

@keyframes floatUp {
    0% {
        transform: translateY(0) scale(0.8) rotate(0deg);
        opacity: 0.8;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateY(-110vh) scale(1.3) rotate(360deg);
        opacity: 0;
    }
}

/* Main Card Container */
.container {
    width: 100%;
    max-width: 420px;
    background: #ffffff;
    border-radius: 28px;
    padding: 32px 24px;
    box-shadow: 0 20px 40px rgba(220, 120, 160, 0.12);
    border: 2px solid #fce8f0;
    text-align: center;
    position: relative;
    z-index: 10;
    transition: all 0.3s ease;
}

h1 {
    font-family: 'Fredoka', cursive;
    color: #4a1525;
    font-size: 26px;
    line-height: 1.35;
    margin-bottom: 12px;
}

p.subtitle {
    color: #7a5a65;
    font-size: 15px;
    margin-bottom: 24px;
    line-height: 1.4;
}

/* Buttons */
.btn-primary {
    background-color: #e91e63;
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 8px 18px rgba(233, 30, 99, 0.3);
    transition: all 0.2s ease;
    width: 100%;
}

.btn-primary:active {
    transform: scale(0.96);
}

.header-img {
    width: 130px;
    height: 130px;
    object-fit: cover;
    border-radius: 20px;
    margin-bottom: 20px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.06);
}