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

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    color: #4A3B33; /* Marrom escuro para o texto principal */
    background-color: #FDF5E6; /* Off-white/Bege muito claro para o fundo */
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
}

/* Header */
.header {
    background-color: #4A3B33; /* Marrom escuro */
    color: #FFFFFF; /* Branco */
    padding: 40px 0;
    text-align: center;
}

.header .logo {
    width: 110px;
    height: 110px;
    border-radius: 50%;
    margin-bottom: 15px;
    background-color: #FFFFFF; /* Fundo branco para o logo */
    padding: 5px;
}

.header h1 {
    font-family: 'Playfair Display', serif;
    font-size: 2.8em;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.header .subtitle {
    font-size: 1.2em;
    font-weight: 400;
    max-width: 700px;
    margin: 0 auto;
}

/* Hero Section */
.hero {
    background-color: #F5F5DC; /* Bege claro */
    padding: 60px 0;
    text-align: center;
}

.hero-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 40px;
}

.book-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.book-cover {
    width: 250px;
    height: auto;
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
    border-radius: 8px;
    margin-bottom: 20px;
}

.book-details h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2em;
    color: #4A3B33; /* Marrom escuro */
    margin-bottom: 10px;
}

.book-details .author {
    font-size: 1.1em;
    font-weight: 600;
    color: #8B4513; /* Marrom médio */
    margin-bottom: 5px;
}

.book-details .author-title {
    font-size: 0.9em;
    color: #A0522D; /* Marrom mais claro */
    margin-bottom: 15px;
}

.book-details .launch-special {
    font-size: 1.3em;
    font-weight: 700;
    color: #CD853F; /* Accent: Dourado/Bronze */
    background-color: #FFFFFF; /* Branco */
    padding: 8px 15px;
    border-radius: 5px;
    display: inline-block;
    margin-top: 10px;
}

.event-details {
    background-color: #FFFFFF; /* Branco */
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    max-width: 450px;
    text-align: left;
}

.event-details h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8em;
    color: #4A3B33; /* Marrom escuro */
    margin-bottom: 20px;
    text-align: center;
}

.event-details p {
    margin-bottom: 10px;
    font-size: 1.1em;
}

.event-details .note {
    font-style: italic;
    color: #8B4513; /* Marrom médio */
    margin-top: 20px;
    text-align: center;
}

.btn {
    display: block;
    width: fit-content;
    margin: 25px auto 10px auto;
    background-color: #25d366; /* Cor do WhatsApp (mantida) */
    color: #fff;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.2em;
    font-weight: 700;
    transition: background-color 0.3s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.btn:hover {
    background-color: #1da851; /* Cor do WhatsApp (mantida) */
}

.whatsapp-note {
    font-size: 0.8em;
    color: #A0522D; /* Marrom mais claro */
    text-align: center;
}

/* About Book Section */
.about-book {
    background-color: #FFFFFF; /* Branco */
    padding: 60px 0;
    text-align: center;
}

.about-book h2 {
    font-family: 'Playfair Display', serif;
    font-size: