@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@700&family=Montserrat:wght@300;400;600&display=swap');

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

body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #000;
    font-family: 'Montserrat', sans-serif;
    overflow: hidden;
}

/* Fundo Mosaico com efeito Prata/Cinza */
.photo-bg {
    position: fixed;
    width: 100%; height: 100%;
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('seu-mosaico.jpg');
    background-size: cover;
    filter: grayscale(100%);
    z-index: -1;
}

/* Envelope Chique */
.envelope-container {
    text-align: center;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.envelope-container:hover { transform: scale(1.05); }

.envelope {
    position: relative;
    width: 320px; height: 200px;
    background: #1a1a1a;
    border: 1px solid #444;
    box-shadow: 0 20px 40px rgba(0,0,0,0.6);
}

/* Detalhe em Prata */
.silver-edge {
    position: absolute;
    bottom: 0; width: 100%; height: 4px;
    background: linear-gradient(90deg, #757575, #e0e0e0, #757575);
    z-index: 5;
}

.flap {
    position: absolute; top: 0;
    border-left: 160px solid transparent;
    border-right: 160px solid transparent;
    border-top: 110px solid #0a0a0a;
    z-index: 4;
}

.front {
    position: absolute; bottom: 0;
    border-left: 160px solid #1a1a1a;
    border-right: 160px solid #1a1a1a;
    border-bottom: 100px solid #111;
    border-top: 100px solid transparent;
    z-index: 3;
}

.wax-seal {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -10%);
    width: 80px; height: 80px;
    background: linear-gradient(145deg, #bdc3c7, #2c3e50); /* Efeito Metal Prata */
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 6;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5), inset 0 0 10px rgba(255,255,255,0.3);
    border: 1px solid #ecf0f1;
}

.logo-text {
    font-size: 10px;
    font-weight: 600;
    color: #fff;
    letter-spacing: 1px;
}

.click-info { color: #fff; margin-top: 25px; letter-spacing: 2px; font-weight: 300; opacity: 0.8; }

/* Carta Manifesto */
.letter-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.9);
    justify-content: center;
    align-items: center;
    z-index: 10;
}

.letter-content {
    background: #fff;
    width: 90%; max-width: 650px;
    padding: 50px;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
    border-top: 8px solid #000;
}

.close-btn {
    position: absolute; top: 15px; right: 20px;
    background: none; border: none; font-size: 20px; cursor: pointer;
}

h1 { font-family: 'Playfair Display', serif; margin-bottom: 30px; text-align: center; }
h3 { margin: 25px 0 10px; text-transform: uppercase; font-size: 14px; letter-spacing: 1px; }
p { font-size: 15px; line-height: 1.8; color: #333; margin-bottom: 15px; text-align: justify; }

.signature { text-align: center; font-weight: 600; margin-top: 40px; color: #000; }

.cta-button {
    display: block; background: #000; color: #fff;
    text-align: center; padding: 18px; text-decoration: none;
    margin-top: 30px; font-weight: 600; transition: 0.3s;
}

.cta-button:hover { background: #333; }