/* Reset and Base Styles */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Primary Colors - Blue & Yellow Theme */
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-500: #2563eb;
    --primary-600: #1d4ed8;
    --primary-700: #1e40af;
    --primary-800: #1e3a8a;
    
    /* Secondary Colors - Yellow Accent */
    --secondary-100: #fef9c3;
    --secondary-500: #eab308;
    --secondary-600: #ca8a04;
    
    /* Accent Colors */
    --accent-500: #f59e0b;
    --accent-600: #d97706;
    
    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    /* Semantic Colors */
    --success: #22c55e;
    --warning: #eab308;
    --error: #ef4444;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Typography */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition: 200ms ease;
    --transition-slow: 300ms ease;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.25rem;
}

/* Header */
.header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    color: var(--primary-500);
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-800);
}

.logo-text span {
    color: var(--primary-500);
}

.whatsapp-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    background: var(--primary-500);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--radius-full);
    font-weight: 500;
    font-size: 0.875rem;
    transition: all var(--transition);
}

.whatsapp-btn:hover {
    background: var(--primary-600);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.whatsapp-btn svg {
    width: 20px;
    height: 20px;
}

/* Hero Section */
.hero {
    padding: 2rem 0 3rem;
    background: linear-gradient(135deg, var(--primary-100) 0%, var(--white) 100%);
}

.hero-content {
    text-align: center;
    margin-bottom: 2rem;
}

.hero-content h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.hero-content p {
    color: var(--gray-600);
    font-size: 1rem;
}

/* Calculator Card */
.calculator-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    max-width: 480px;
    margin: 0 auto;
}

.calculator-card h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 1.5rem;
    text-align: center;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.75rem;
}

.valor-display {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
    margin-bottom: 0.75rem;
    padding: 0.5rem 0;
}

.valor-display .currency {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-600);
}

.valor-display #valor-texto {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-600);
}

/* Slider Styles */
.slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    outline: none;
    cursor: pointer;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 28px;
    height: 28px;
    background: var(--primary-500);
    border: 3px solid var(--white);
    border-radius: 50%;
    cursor: grab;
    box-shadow: var(--shadow-md);
    transition: all var(--transition);
}

.slider::-webkit-slider-thumb:hover {
    background: var(--primary-600);
    transform: scale(1.1);
}

.slider::-webkit-slider-thumb:active {
    cursor: grabbing;
    transform: scale(0.95);
}

.slider::-moz-range-thumb {
    width: 28px;
    height: 28px;
    background: var(--primary-500);
    border: 3px solid var(--white);
    border-radius: 50%;
    cursor: grab;
    box-shadow: var(--shadow-md);
}

.slider::-moz-range-thumb:hover {
    background: var(--primary-600);
}

.range-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* Parcelas Options */
.parcelas-opcoes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.parcela-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.875rem 0.5rem;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition);
}

.parcela-btn:hover {
    border-color: var(--primary-300);
    background: var(--primary-100);
}

.parcela-btn.active {
    background: var(--primary-500);
    border-color: var(--primary-500);
    color: var(--white);
}

.parcelas-num {
    font-size: 1.25rem;
    font-weight: 700;
}

.parcelas-juros {
    font-size: 0.75rem;
    margin-top: 0.25rem;
    opacity: 0.8;
}

/* Results Section */
.resultados {
    background: var(--gray-50);
    border-radius: var(--radius-xl);
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
}

.result-item:first-child {
    border-bottom: 1px solid var(--gray-200);
}

.result-label {
    color: var(--gray-600);
    font-size: 0.875rem;
}

.result-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-800);
}

.result-value.highlight {
    color: var(--primary-600);
    font-size: 1.5rem;
}

/* CTA Button */
.cta-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background: var(--primary-500);
    color: var(--white);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

.cta-btn:hover {
    background: var(--primary-600);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.cta-btn svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition);
}

.cta-btn:hover svg {
    transform: translateX(4px);
}

/* Benefits Section */
.benefits {
    padding: 3rem 0;
    background: var(--white);
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.benefit-card {
    text-align: center;
    padding: 1.5rem;
}

.benefit-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    background: var(--primary-100);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-500);
}

.benefit-icon svg {
    width: 32px;
    height: 32px;
}

.benefit-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 0.25rem;
}

.benefit-card p {
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* Form Section */
.form-section {
    padding: 3rem 0;
    background: var(--gray-50);
}

.form-card {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: 2rem 1.5rem;
    box-shadow: var(--shadow-lg);
    max-width: 600px;
    margin: 0 auto;
}

.form-card h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
    text-align: center;
    margin-bottom: 0.5rem;
}

.form-card > p {
    text-align: center;
    color: var(--gray-500);
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.form-field label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-field input {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition);
}

.form-field input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.form-field input::placeholder {
    color: var(--gray-400);
}

/* Resumo Solicitação */
.resumo-solicitacao {
    background: var(--primary-100);
    border-radius: var(--radius-xl);
    padding: 1.25rem;
    margin: 1.5rem 0;
}

.resumo-solicitacao h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary-800);
    margin-bottom: 1rem;
}

.resumo-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.resumo-item {
    text-align: center;
}

.resumo-item .label {
    display: block;
    font-size: 0.75rem;
    color: var(--primary-700);
    margin-bottom: 0.25rem;
}

.resumo-item .value {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-800);
}

.resumo-item .value.highlight {
    color: var(--primary-600);
    font-size: 1rem;
}

/* Submit Button */
.submit-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background: var(--primary-500);
    color: var(--white);
    border: none;
    border-radius: var(--radius-lg);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

.submit-btn:hover {
    background: var(--primary-600);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.submit-btn svg {
    width: 20px;
    height: 20px;
}

/* Form Footer */
.form-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    color: var(--gray-500);
    font-size: 0.75rem;
}

.form-footer svg {
    width: 16px;
    height: 16px;
    color: var(--success);
}

/* Footer */
.footer {
    background: var(--gray-800);
    padding: 2rem 0;
}

.footer-content {
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo .logo-icon {
    width: 32px;
    height: 32px;
    color: var(--primary-500);
}

.footer-logo span {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--white);
}

.footer-logo span span {
    color: var(--primary-500);
}

.footer-text {
    color: var(--gray-400);
    font-size: 0.875rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.calculator-card,
.form-card,
.benefit-card {
    animation: fadeIn 0.5s ease-out;
}

/* Responsive Styles - Tablet */
@media (min-width: 640px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .calculator-card {
        padding: 2rem;
    }
    
    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .form-row .form-field:first-child {
        grid-column: 1 / -1;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .form-card {
        padding: 2.5rem;
    }
}

/* Responsive Styles - Desktop */
@media (min-width: 1024px) {
    .header .container {
        padding: 1rem 2rem;
    }
    
    .hero {
        padding: 3rem 0 4rem;
    }
    
    .hero-content {
        margin-bottom: 3rem;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content p {
        font-size: 1.125rem;
    }
    
    .calculator-card {
        max-width: 520px;
        padding: 2.5rem;
    }
    
    .valor-display #valor-texto {
        font-size: 2.5rem;
    }
    
    .parcelas-opcoes {
        gap: 1rem;
    }
    
    .parcela-btn {
        padding: 1rem;
    }
    
    .resultados {
        padding: 1.5rem;
    }
    
    .benefits {
        padding: 4rem 0;
    }
    
    .form-section {
        padding: 4rem 0;
    }
    
    .footer {
        padding: 3rem 0;
    }
}

/* Extra Small Devices */
@media (max-width: 360px) {
    .container {
        padding: 0 1rem;
    }
    
    .calculator-card {
        padding: 1.25rem;
        border-radius: var(--radius-xl);
    }
    
    .valor-display #valor-texto {
        font-size: 1.75rem;
    }
    
    .parcelas-opcoes {
        gap: 0.5rem;
    }
    
    .parcela-btn {
        padding: 0.75rem 0.25rem;
    }
    
    .parcelas-num {
        font-size: 1.125rem;
    }
    
    .parcelas-juros {
        font-size: 0.625rem;
    }
    
    .result-value {
        font-size: 1.125rem;
    }
    
    .result-value.highlight {
        font-size: 1.25rem;
    }
    
    .resumo-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .resumo-item {
        display: flex;
        justify-content: space-between;
        text-align: left;
        padding: 0.5rem 0;
        border-bottom: 1px solid var(--primary-200);
    }
    
    .resumo-item:last-child {
        border-bottom: none;
    }
}

/* Touch-friendly improvements for mobile */
@media (hover: none) and (pointer: coarse) {
    .parcela-btn {
        padding: 1rem 0.5rem;
    }
    
    .slider::-webkit-slider-thumb {
        width: 32px;
        height: 32px;
    }
    
    .cta-btn,
    .submit-btn {
        padding: 1.125rem 1.5rem;
    }
    
    .form-field input {
        padding: 1rem 1rem;
        font-size: 16px; /* Prevents zoom on iOS */
    }
}


@media (prefers-contrast: high) {
    :root {
        --primary-500: #2563eb;
        --primary-600: #1d4ed8;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}


:root {
    --primary-500: #2563eb !important;
}