/* --- Reset Básico e Estilos Globais --- */
:root {
    --primary-color: #6a1b9a;
    --secondary-color: #ab47bc;
    --text-color: #333;
    --background-color: #f8f7fc;
    --white-color: #fff;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --whatsapp-green: #25D366;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    line-height: 1.7;
    background-color: var(--background-color);
    overflow-x: hidden;
}

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

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: var(--secondary-color);
    transition: color 0.3s ease;
}

a:hover {
    color: var(--primary-color);
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
    color: var(--white-color);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    text-align: center;
    text-transform: uppercase;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

section {
    padding: 80px 0;
}

/* --- Cabeçalho e Navegação --- */
.header {
    background-color: var(--white-color);
    padding: 1rem 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    z-index: 1001;
}

.nav-links {
    list-style: none;
    display: flex;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: var(--text-color);
    font-weight: 500;
    padding-bottom: 5px;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

.menu-toggle .bar {
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 10px;
    transition: all 0.3s ease-in-out;
}

/* --- Seção Herói (Principal) --- */
.hero {
    background: linear-gradient(rgba(106, 27, 154, 0.8), rgba(171, 71, 188, 0.7)), url('https://placehold.co/1920x1080/f8f7fc/6a1b9a?text=Fio+e+Agulha') center center / cover no-repeat;
    color: var(--white-color);
    text-align: center;
    padding: 120px 20px;
}

.hero h1 {
    font-size: 3.2rem;
    margin-bottom: 0.5rem;
    color: var(--white-color);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Seção de Modelos --- */
#modelos {
    text-align: center;
}

.modelos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 3rem;
}

.modelo-card {
    background-color: var(--white-color);
    border-radius: 15px;
    box-shadow: var(--shadow);
    overflow: hidden;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.modelo-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.modelo-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.card-content {
    padding: 25px;
}

.card-content h3 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.card-content p {
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.selecionar-modelo-btn {
    display: inline-block;
    width: 100%;
    padding: 10px 20px;
    background-color: var(--secondary-color);
    color: var(--white-color);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.selecionar-modelo-btn:hover {
    background-color: var(--primary-color);
}

/* --- Seo de Personalização e Pagamento --- */
#personalizacao, #formulario-contato {
    background-color: var(--white-color);
    padding: 80px 20px;
}

.personalizacao-container {
    max-width: 800px;
    margin: auto;
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    background: var(--white-color);
}

#personalizacao h2, #formulario-contato h2 {
    text-align: center;
    margin-bottom: 1rem;
}
#formulario-contato p {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 2.5rem auto;
}

.form-personalizacao {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 8px;
    font-weight: 500;
    color: #555;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(106, 27, 154, 0.2);
}

.modelo-selecionado {
    background-color: #ede7f6;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    font-size: 1.1rem;
    color: var(--primary-color);
    border: 1px solid var(--secondary-color);
}

.modelo-selecionado strong {
    font-weight: 600;
}

.esconder {
    display: none;
}

.payment-section {
    margin-top: 30px;
    border-top: 1px solid #eee;
    padding-top: 30px;
    text-align: center;
}

.payment-section h3 {
    margin-bottom: 1.5rem;
}

.botoes-pagamento {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.payment-btn {
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}
.payment-btn:hover {
    transform: translateY(-2px);
}

.mercadopago-btn { background-color: #009ee3; color: var(--white-color); }

/* --- Seção de Contato --- */
.contato-secao {
    background-color: #f0e6f6;
    text-align: center;
}

.contato-opcoes {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.contato-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.contato-btn.whatsapp {
    background-color: var(--whatsapp-green);
    color: var(--white-color);
}
.contato-btn.whatsapp:hover {
    background-color: #1EBEA5;
    transform: translateY(-3px);
}

.contato-btn.email {
    background-color: var(--secondary-color);
    color: var(--white-color);
}
.contato-btn.email:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.voltar-link {
    text-align: center;
    margin-top: 2rem;
}

/* --- Rodapé --- */
.footer {
    background-color: #2c2c2c;
    color: #f4f4f4;
    padding: 50px 20px;
    text-align: center;
}

.footer .logo {
    color: var(--white-color);
    margin-bottom: 1rem;
}

.footer p {
    margin-bottom: 0.5rem;
    color: #ccc;
}

.footer a {
    color: var(--secondary-color);
}

/* --- Responsividade --- */
@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }

    #personalizacao, #formulario-contato {
        padding: 60px 20px;
    }

    .logo {
        font-size: 1.3rem;
    }

    .menu-toggle {
        display: flex;
    }

    .menu-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        width: 100%;
        background-color: rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border-top: 1px solid rgba(255, 255, 255, 0.2);
        flex-direction: column;
        align-items: center;
        max-height: 0;
        padding: 0;
        overflow: hidden;
        transition: max-height 0.4s ease-out, padding 0.4s ease-out;
    }

    .nav-links.active {
        max-height: 300px;
        padding: 1rem 0;
    }

    .nav-links a {
        color: var(--text-color);
        font-size: 1.1rem;
        font-weight: 500;
        padding: 15px 20px;
        display: block;
        width: 100%;
        border: none;
    }

    .nav-links a:hover, .nav-links a.active {
        background-color: rgba(0, 0, 0, 0.05);
        border: none;
    }

    .nav-links li {
        margin-left: 0;
        width: 100%;
        text-align: center;
    }

    .hero {
        background-image: linear-gradient(rgba(106, 27, 154, 0.8), rgba(171, 71, 188, 0.7)), url('https://placehold.co/800x1000/f8f7fc/6a1b9a?text=GVR');
        padding-top: 60px;
        padding-bottom: 60px;
    }

    .hero h1 {
        font-size: 2.0rem;
    }

    .hero p {
        font-size: 1.1rem;
        margin-bottom: 2rem;
    }

    .personalizacao-container {
        padding: 30px 20px;
    }

    .botoes-pagamento {
        flex-direction: column;
        align-items: stretch;
    }

    .payment-btn {
        justify-content: center;
    }

    .contato-opcoes {
        flex-direction: column;
        align-items: stretch;
    }
  .form-group input, .form-group select, .form-group textarea {
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 0.8rem;
    font-family: 'Poppins', sans-serif;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    }
  
  .contato-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center; /* Centraliza o conteúdo horizontalmente */
    gap: 10px;
    padding: 12px 24px; /* Ligeiramente reduzido para desktop também */
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    text-align: center;
 }
}