:root {
    --primary-color: #007bff;
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --text-color: #333;
    --secondary-text: #666;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.container {
    width: 90%;
    max-width: 500px;
    background: var(--card-bg);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center;
    margin: 30px auto;
    flex: 1;
}

.header-img {
    width: 100%;
    border-radius: 15px;
    margin-bottom: 20px;
    height: 200px;
    object-fit: cover;
    background-color: #eee;
}

h1 {
    font-size: 24px;
    margin-bottom: 10px;
}

p.subtitle {
    color: var(--secondary-text);
    font-size: 16px;
    margin-bottom: 30px;
}

.features {
    text-align: left;
    margin-bottom: 30px;
    font-size: 14px;
    color: var(--secondary-text);
}

.feature-item {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.feature-item i {
    margin-right: 10px;
}

.question-container {
    display: none;
}

.question-container.active {
    display: block;
}

.options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.option-btn {
    background-color: #ff0055;
    color: white;
    border: none;
    padding: 15px;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, opacity 0.2s;
}

.option-btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.option-btn:active {
    transform: translateY(0);
}

.footer-text {
    margin-top: 40px;
    font-size: 10px;
    color: #999;
    line-height: 1.4;
}

/* Bank Specific Overrides */
.bank-nubank .option-btn, .bank-nubank .result-btn { background-color: #820ad1; }
.bank-picpay .option-btn, .bank-picpay .result-btn { background-color: #21c25e; }
.bank-itau .option-btn, .bank-itau .result-btn { background-color: #ec7000; }
.bank-santander .option-btn, .bank-santander .result-btn { background-color: #ec0000; }
.bank-caixa .option-btn, .bank-caixa .result-btn { background-color: #005ca9; }
.bank-bb .option-btn, .bank-bb .result-btn { background-color: #fcfc30; color: #0038a8; }
.bank-bradesco .option-btn, .bank-bradesco .result-btn { background-color: #cc092f; }
.bank-inter .option-btn, .bank-inter .result-btn { background-color: #ff7a00; }
.bank-c6 .option-btn, .bank-c6 .result-btn { background-color: #212121; }
.bank-btg .option-btn, .bank-btg .result-btn { background-color: #001529; }

.result-btn {
    display: inline-block;
    text-decoration: none;
    padding: 15px 30px;
    border-radius: 10px;
    color: white;
    font-weight: bold;
    margin-top: 20px;
    transition: opacity 0.2s, transform 0.2s;
}

.result-btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 600px) {
    .container {
        width: 95%;
        padding: 20px;
        margin: 15px auto;
    }

    h1 {
        font-size: 20px;
    }

    .header-img {
        height: 150px;
    }

    .option-btn {
        padding: 12px;
        font-size: 14px;
    }

    .site-header {
        flex-direction: column;
        gap: 10px;
    }

    .site-header h1 {
        font-size: 18px;
    }

    .site-header a {
        font-size: 12px;
        padding: 6px 10px;
    }

    .site-header .home-link {
        margin-right: 0;
        margin-bottom: 10px;
    }
}