* {
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    margin: 0;
    min-height: 100vh;
    background: linear-gradient(135deg, #ff758c, #ff7eb3);
}

.center {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 20px;
    width: 90%;
    max-width: 450px;
    z-index: 2;
}

h1 {
    color: #ff4d6d;
}

p {
    font-size: 18px;
}

.texto-grande {
    line-height: 1.6;
}

.te-amo {
    font-size: 22px;
    line-height: 1.8;
}

.btn, button {
    margin-top: 20px;
    padding: 12px 25px;
    border: none;
    border-radius: 30px;
    background: #ff4d6d;
    color: white;
    font-size: 18px;
    cursor: pointer;
    text-decoration: none;
}

button {
    background: #999;
}

.animar {
    animation: subir 1s ease;
}

@keyframes subir {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Corações */
.coracoes-bg {
    position: relative;
    overflow: hidden;
}

.coracoes-bg::before {
    content: "❤️ 💖 💕 💗 💓 💞❤️ 💖 💕 💗 💓 💞❤️ 💖 💕 💗 💓 💞❤️ 💖 💕 💗 💓 💞";
    position: absolute;
    font-size: 30px;
    animation: flutuar 12s linear infinite;
    opacity: 0.4;
}


@keyframes flutuar {
    0% { transform: translateY(100vh); }
    100% { transform: translateY(-100vh); }
}

.buttons {
    position: relative;
    height: 200px;
}

.infinito {
    padding: 40px;
    text-align: center;
}

.espaco {
    height: 2500px;
}

/* Overlay */
.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.65);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 999;
}

.popup {
    background: white;
    padding: 30px;
    border-radius: 20px;
    max-width: 90%;
    animation: subir 0.8s ease;
}


/* Fundo estilo WhatsApp */
.fundo-zap {
    background: url("fundo.jpg") center center / cover no-repeat fixed;
}

/* Card com fundo suave */
.fundo-transparente {
    background: rgba(255, 255, 255, 0.9);
}


/* Imagem de prova */
.img-prova {
    width: 100%;
    max-width: 300px;
    border-radius: 15px;
    margin: 20px 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}