:root {
    --primary-yellow: #FFD700; /* Amarelo mais vibrante */
    --primary-black: #111111; /* Preto profundo */
    --text-main: #333333;
    --text-light: #666666;
    --bg-body: #F0F2F5; /* Fundo cinza moderno */
    --bg-card: #FFFFFF;
    --border-color: #E5E7EB;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius-md: 8px;
    --radius-lg: 16px;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
    margin: 0;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    line-height: 1.5;
}

.logo {
    max-height: 60px; /* Tamanho padrão para logos */
    margin: 0 auto 30px auto; /* Centraliza horizontalmente e adiciona margem inferior */
    display: block;
    padding: 10px 20px; /* Espaçamento interno para a borda */
    border: 1px solid var(--border-color); /* Borda similar aos cartões */
    border-radius: var(--radius-md); /* Cantos arredondados */
    box-shadow: var(--shadow-sm); /* Sombra sutil */
    background-color: var(--bg-card); /* Fundo para a caixa do logo */
}

.logo.logo-selection {
    max-height: 40px; /* Tamanho menor para o logo na página de seleção */
    padding: 8px 15px; /* Ajusta o padding para o tamanho menor */
}

/* Containers */
.container {
    background-color: var(--bg-card);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 500px;
    box-sizing: border-box;
    border: 1px solid var(--border-color);
}

.selection-container {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 1000px;
    width: 100%;
}

/* Cards (Selection) */
.card {
    background: var(--bg-card);
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    width: 300px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-yellow);
}

.card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-yellow);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.card:hover::after {
    transform: scaleX(1);
}

.card h2 {
    color: var(--primary-black);
    margin: 20px 0 10px;
    font-size: 1.25rem;
    font-weight: 700;
}

.card p {
    color: var(--text-light);
    margin-bottom: 30px;
    flex-grow: 1;
    font-size: 0.95rem;
}

.icon {
    font-size: 3rem;
    margin-bottom: 10px;
    background: var(--bg-body);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

/* Typography & Links */
h1 {
    text-align: center;
    color: var(--primary-black);
    margin-bottom: 30px;
    font-size: 1.5rem;
    font-weight: 700;
}

.section-title {
    margin-top: 30px;
    padding-bottom: 10px;
    margin-bottom: 20px;
    color: var(--primary-black);
    font-size: 1.15rem;
    font-weight: 700;
    background-color: #F8F9FA;
    padding: 12px 15px;
    border-radius: var(--radius-md);
    border-left: 5px solid var(--primary-yellow);
    border-bottom: none;
    display: flex;
    align-items: center;
}

.section-title::before {
    display: none;
}

.back-link {
    display: inline-flex;
    align-items: center;
    margin-top: 25px; /* Margem do conteúdo acima */
    color: var(--primary-yellow); /* Cor amarela */
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.back-link:hover {
    color: #e0a800; /* Amarelo mais escuro no hover */
    text-decoration: underline;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--primary-black);
    font-size: 0.9rem;
}

input[type="text"], input[type="date"], input[type="number"], select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-sizing: border-box;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    background-color: #FAFAFA;
}

input:focus, select:focus {
    border-color: var(--primary-black);
    background-color: var(--bg-card);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0,0,0,0.1);
}

.phone-group {
    display: flex;
    gap: 12px;
}

.phone-group .form-group {
    flex: 1;
}

.phone-group #fg-ddd {
    flex-basis: 80px;
    flex-grow: 0;
}

/* Buttons */
button, .btn {
    width: 100%;
    padding: 14px 20px;
    background-color: var(--primary-black);
    color: var(--primary-yellow);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-block;
    box-sizing: border-box;
    text-align: center;
}

button:hover, .btn:hover {
    background-color: #000000;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    color: #FFF;
}

button:active {
    transform: translateY(0);
}

button:disabled {
    background-color: #E0E0E0;
    color: #9E9E9E;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Alerts & Status */
#result, #status, #offer, .alert, #final-result, #simulation-results {
    margin-top: 25px;
    padding: 20px;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.success { background-color: #ECFDF5; color: #065F46; border: 1px solid #A7F3D0; }
.error { background-color: #FEF2F2; color: #991B1B; border: 1px solid #FECACA; }
.info { background-color: #EFF6FF; color: #1E40AF; border: 1px solid #BFDBFE; }
.hidden { display: none; }

/* Simulation Cards */
.sim-card {
    background: #FAFAFA;
    border: 1px solid var(--border-color);
    padding: 20px;
    margin-bottom: 16px;
    border-radius: var(--radius-md);
    transition: all 0.2s;
}

.sim-card:hover {
    background: var(--bg-card);
    border-color: #D1D5DB;
    box-shadow: var(--shadow-sm);
}

.sim-card h4 {
    margin: 0 0 12px 0;
    color: var(--primary-black);
    font-size: 1rem;
    font-weight: 700;
}

.sim-card p {
    margin: 6px 0;
    font-size: 0.9rem;
    color: var(--text-light);
    display: flex;
    justify-content: space-between;
}

.sim-card button {
    margin-top: 15px;
    background-color: var(--primary-yellow);
    color: var(--primary-black);
    font-size: 0.9rem;
    padding: 10px;
    box-shadow: none;
}

.sim-card button:hover {
    background-color: #F59E0B; /* Darker yellow */
    color: #000;
    transform: none;
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    box-shadow: 2px 2px 3px #999;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    background-color: #128C7E;
    transform: scale(1.1);
}

.whatsapp-icon {
    fill: white;
    width: 35px;
    height: 35px;
}