:root {
    /* Cores oficiais Mercado Pago */
    --mp-blue: #009EE3;
    --mp-blue-dark: #0077B5;
    --mp-yellow: #FFE600;
    --mp-yellow-dark: #F5D800;
    --mp-black: #2D3277;

    /* Cores de texto */
    --text-primary: #111827;
    --text-secondary: #4B5563;

    /* Backgrounds */
    --bg-white: #FFFFFF;
    --bg-light: #F8FAFC;
    --bg-yellow: #FFF9E6;

    /* Bordas */
    --border: #E2E8F0;

    /* Status */
    --success-green: #00A650;
    --error-red: #F23D4F;

    /* Gradiente MP */
    --gradient-mp: linear-gradient(135deg, #009EE3 0%, #00BCFF 100%);
    --gradient-yellow: linear-gradient(135deg, #FFE600 0%, #F5D800 100%);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-light);
}

/* Logo styles */
.mp-logo-container {
    text-align: center;
    margin-bottom: 24px;
}

.mp-logo {
    max-width: 200px;
    height: auto;
}

.mp-logo-small {
    max-width: 120px;
    height: auto;
}

/* Hero section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 48px 24px;
    background: linear-gradient(180deg, var(--bg-yellow) 0%, var(--bg-light) 100%);
}

.hero-title {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--mp-blue);
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 48px;
}

/* Primary button - Amarelo MP */
.btn-primary {
    display: inline-block;
    padding: 18px 48px;
    font-size: 18px;
    font-weight: 600;
    color: var(--mp-black);
    background: var(--mp-yellow);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(255, 230, 0, 0.4);
    transition: all 0.3s;
    text-decoration: none;
}

.btn-primary:hover {
    background: var(--mp-yellow-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 230, 0, 0.5);
}

/* Blue button */
.btn-blue {
    display: inline-block;
    padding: 18px 48px;
    font-size: 18px;
    font-weight: 600;
    color: white;
    background: var(--mp-blue);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 158, 227, 0.3);
    transition: all 0.3s;
    text-decoration: none;
}

.btn-blue:hover {
    background: var(--mp-blue-dark);
    transform: translateY(-2px);
}

/* Card */
.card {
    background: white;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    margin: 24px auto;
    max-width: 700px;
}

/* Form elements */
.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
    border: 2px solid var(--border);
    border-radius: 12px;
    transition: border 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: var(--mp-blue);
}

/* Button group */
.btn-group {
    display: flex;
    gap: 16px;
    margin-top: 32px;
}

.btn-secondary {
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    background: white;
    color: var(--mp-blue);
    border: 2px solid var(--mp-blue);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-secondary:hover {
    background: var(--mp-blue);
    color: white;
}

/* Utilities */
.hidden {
    display: none;
}

/* Progress bar */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border);
    border-radius: 50px;
    overflow: hidden;
    margin-bottom: 32px;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-mp);
    transition: width 0.4s;
}

/* Step indicator */
.step-indicator {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
}

.step-description {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

/* Checkbox group */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--mp-blue);
}

/* App container */
.app-container {
    min-height: 100vh;
}

/* Header badge estilo MP */
.header-badge {
    display: inline-block;
    background: var(--mp-yellow);
    color: var(--mp-black);
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: bold;
    font-size: 18px;
}

/* Section title */
.section-title {
    background: var(--mp-blue);
    color: white;
    padding: 12px 20px;
    font-size: 16px;
    font-weight: bold;
    margin: 25px 0 15px 0;
    border-radius: 8px;
}

/* Economy bar */
.economy-bar {
    background: var(--mp-yellow);
    color: var(--mp-black);
    padding: 24px;
    text-align: center;
    font-size: 24px;
    font-weight: bold;
    margin: 30px 0;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(255, 230, 0, 0.4);
}

/* Info box */
.info-box {
    background: #f8f9fa;
    border-left: 4px solid var(--mp-blue);
    padding: 15px;
    margin: 15px 0;
    border-radius: 0 8px 8px 0;
}

/* Success highlight */
.highlight-green {
    color: var(--success-green);
    font-weight: bold;
}

/* Tables */
.comparison-table,
.rates-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.comparison-table th,
.rates-table th {
    background: var(--mp-blue);
    color: white;
    padding: 12px 15px;
    text-align: center;
}

.comparison-table td,
.rates-table td {
    padding: 12px 15px;
    border-bottom: 1px solid #eee;
    text-align: center;
}

.rates-table tr:nth-child(even) {
    background: #f9f9f9;
}