/* ===================================
   CSS Reset & Variables
   =================================== */

:root {
    /* Paleta Moderna - Azul Gopher + Complementares */
    --color-primary: #00ADD8;
    --color-primary-dark: #0088AA;
    --color-primary-light: #33BFE0;
    --color-secondary: #374B5C;
    --color-accent: #7C3AED;
    
    /* Cores neutras modernas */
    --color-black: #0F172A;
    --color-gray-900: #1E293B;
    --color-gray-800: #334155;
    --color-gray-700: #475569;
    --color-gray-600: #64748B;
    --color-gray-500: #94A3B8;
    --color-gray-400: #CBD5E1;
    --color-gray-300: #E2E8F0;
    --color-gray-200: #F1F5F9;
    --color-gray-100: #F8FAFC;
    --color-white: #FFFFFF;
    
    /* Status colors */
    --color-success: #10B981;
    --color-error: #EF4444;
    --color-warning: #F59E0B;
    --color-info: #3B82F6;
    
    /* Spacing compacto */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
    
    /* Font sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    
    /* Border radius - Menos arredondado */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-full: 9999px;
    
    /* Shadows modernas */
    --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.10);
    --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.12);
    
    /* Transitions suaves */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    color: var(--color-gray-900);
    background-color: var(--color-gray-100);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    font-family: inherit;
    cursor: pointer;
}

/* ===================================
   Utility Classes
   =================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===================================
   Header
   =================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: 100;
    padding: var(--spacing-sm) 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.btn-header {
    padding: 0.5rem 1.25rem;
    background: var(--color-primary);
    color: var(--color-white);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.btn-header:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    padding: calc(60px + var(--spacing-3xl)) 0 var(--spacing-3xl);
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-secondary) 100%);
}

.hero-badge {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.badge-promo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, var(--color-accent) 0%, #6D28D9 100%);
    color: var(--color-white);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    font-weight: 600;
    box-shadow: var(--shadow-lg);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-title {
    font-size: var(--text-4xl);
    font-weight: 700;
    line-height: 1.1;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.025em;
}

.hero-subtitle {
    font-size: var(--text-lg);
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.hero-price {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: var(--spacing-lg);
}

.price-label {
    font-size: var(--text-base);
    color: var(--color-gray-300);
}

.price-value {
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1;
}

.price-note {
    font-size: var(--text-sm);
    color: var(--color-gray-300);
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-200);
}

.trust-item {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.hero-image {
    display: flex;
    justify-content: center;
}

.product-image-placeholder {
    width: 100%;
    max-width: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
}

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: var(--text-sm);
    font-weight: 500;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-gray-700);
    border: 1px solid var(--color-gray-300);
}

.btn-secondary:hover {
    background: var(--color-gray-100);
    border-color: var(--color-gray-400);
}

.btn-checkout {
    width: 100%;
    padding: 0.875rem 2rem;
    font-size: var(--text-base);
    font-weight: 500;
    background: linear-gradient(135deg, var(--color-accent) 0%, #6D28D9 100%);
    color: var(--color-white);
    margin-top: var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.btn-checkout:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-checkout:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-inline {
    padding: 0.5rem 1rem;
    font-size: var(--text-sm);
    font-weight: 500;
    background: var(--color-gray-800);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.btn-inline:hover {
    background: var(--color-gray-900);
}

/* ===================================
   Seção de Valor
   =================================== */

.valor {
    padding: var(--spacing-3xl) 0;
    background: var(--color-white);
}

.section-title {
    font-size: var(--text-3xl);
    font-weight: 600;
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--color-gray-900);
    letter-spacing: -0.025em;
}

.section-subtitle {
    text-align: center;
    font-size: var(--text-lg);
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-xl);
}

.valor-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.valor-card {
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
    transition: all var(--transition-base);
}

.valor-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.card-title {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-900);
    letter-spacing: -0.025em;
}

.card-description {
    color: var(--color-gray-600);
    line-height: 1.6;
    font-size: var(--text-sm);
}

/* ===================================
   Como Funciona
   =================================== */

.como-funciona {
    padding: var(--spacing-3xl) 0;
    background: var(--color-white);
}

.steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.step-card {
    position: relative;
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.step-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.step-number {
    position: absolute;
    top: -12px;
    left: var(--spacing-lg);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--text-sm);
    box-shadow: var(--shadow-sm);
}

.step-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.step-title {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-900);
    letter-spacing: -0.025em;
}

.step-description {
    color: var(--color-gray-600);
    line-height: 1.6;
    font-size: var(--text-sm);
}

/* ===================================
   Checkout
   =================================== */

.checkout {
    padding: var(--spacing-3xl) 0;
    background: var(--color-white);
}

.checkout-wrapper {
    max-width: 1000px;
    margin: 0 auto;
}

.checkout-header {
    margin-bottom: var(--spacing-xl);
}

.checkout-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

/* Form Styles */
.checkout-form {
    order: 1;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    font-size: var(--text-sm);
    color: var(--color-gray-700);
}

.form-input {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: var(--text-sm);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    background: var(--color-white);
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 173, 216, 0.08);
}

.form-input.error {
    border-color: var(--color-error);
}

.form-input:disabled {
    background: var(--color-gray-100);
    cursor: not-allowed;
}

.form-error {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-error);
}

.form-hint {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.checkout-section-title {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--color-gray-200);
    letter-spacing: -0.025em;
}

.checkout-section-title:first-of-type {
    margin-top: 0;
}

.input-with-button {
    display: flex;
    gap: 0.5rem;
}

.input-with-button .form-input {
    flex: 1;
}

/* Loading Indicators */
.loading-indicator,
.loading-indicator-small {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: var(--spacing-sm);
    background: var(--color-gray-100);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.loading-indicator-small {
    padding: 0.5rem;
    margin-top: 0.5rem;
}

.spinner,
.spinner-small {
    width: 20px;
    height: 20px;
    border: 3px solid var(--color-gray-300);
    border-top-color: var(--color-primary);
    border-radius: 50%;
}

.spinner-small {
    width: 16px;
    height: 16px;
    border-width: 2px;
}

/* Order Summary */
.order-summary {
    order: 2;
    padding: var(--spacing-xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
    height: fit-content;
    position: sticky;
    top: 80px;
}

.summary-title {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--color-gray-900);
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.summary-product {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.product-emoji {
    font-size: 2rem;
}

.product-name {
    font-weight: 600;
    color: var(--color-gray-900);
}

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

.summary-price,
.summary-value {
    font-weight: 600;
    color: var(--color-gray-900);
}

.frete-placeholder {
    font-size: 0.875rem;
    color: var(--color-gray-400);
    font-style: italic;
}

.summary-divider {
    height: 1px;
    background: var(--color-gray-300);
    margin: var(--spacing-md) 0;
}

.summary-total {
    margin-top: var(--spacing-md);
}

.summary-label-total {
    font-size: var(--text-lg);
    font-weight: 600;
    color: var(--color-gray-900);
}

.summary-value-total {
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

.summary-trust {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-300);
}

.trust-badge {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    text-align: center;
}

/* ===================================
   Quantity Selector
   =================================== */

.quantity-selector {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-md);
    border: 2px solid var(--color-gray-200);
}

.quantity-label {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-sm);
}

.quantity-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn-quantity {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    font-weight: 400;
    cursor: pointer;
}

.btn-quantity:hover {
    background: var(--color-primary-dark);
}

.btn-quantity:active {
    opacity: 0.8;
}

.btn-quantity:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.quantity-input {
    width: 60px;
    height: 40px;
    text-align: center;
    font-size: 1.125rem;
    font-weight: 700;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    background: var(--color-white);
}

.quantity-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.quantity-hint {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--color-gray-500);
    text-align: center;
}

/* ===================================
   Payment Methods
   =================================== */

.payment-methods {
    margin: var(--spacing-md) 0;
}

.payment-label {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-sm);
}

.payment-options {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-sm);
}

.payment-option {
    flex: 1;
    cursor: pointer;
}

.payment-option input[type="radio"] {
    display: none;
}

.payment-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.payment-option input[type="radio"]:checked + .payment-card {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(0, 173, 216, 0.05) 0%, rgba(0, 173, 216, 0.02) 100%);
    box-shadow: 0 0 0 3px rgba(0, 173, 216, 0.08);
}

.payment-icon {
    font-size: 1.5rem;
}

.payment-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.payment-name {
    font-weight: 600;
    font-size: var(--text-base);
    color: var(--color-gray-900);
}

.payment-desc {
    font-size: var(--text-xs);
    color: var(--color-gray-600);
}

.payment-check {
    font-size: 1.25rem;
    color: var(--color-primary);
    opacity: 0;
}

.payment-option input[type="radio"]:checked + .payment-card .payment-check {
    opacity: 1;
}

/* ===================================
   Step Indicator (Progress)
   =================================== */

.step-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md) 0;
}

.step-indicator-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.step-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--color-gray-300);
    color: var(--color-gray-600);
    font-weight: 700;
    font-size: 1.125rem;
}

.step-indicator-item.active .step-number {
    background: var(--color-primary);
    color: var(--color-white);
}

.step-indicator-item.completed .step-number {
    background: var(--color-success);
    color: var(--color-white);
}

.step-label {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    font-weight: 500;
}

.step-indicator-item.active .step-label {
    color: var(--color-primary);
    font-weight: 600;
}

.step-indicator-line {
    width: 60px;
    height: 2px;
    background: var(--color-gray-300);
    margin: 0 0.5rem;
    margin-bottom: 1.5rem;
}

.step-indicator-item.completed ~ .step-indicator-line {
    background: var(--color-success);
}

/* ===================================
   Checkout Steps
   =================================== */

.checkout-step {
    display: none;
}

.checkout-step.active {
    display: block;
}

.step-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    color: var(--color-gray-900);
}

/* ===================================
   Navigation Buttons
   =================================== */

.navigation-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-200);
}

.navigation-buttons .btn {
    flex: 1;
}

.navigation-buttons .btn-secondary:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* ===================================
   Payment Details Container
   =================================== */

.payment-details-container {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--color-gray-100);
    border-radius: var(--radius-lg);
    min-height: 100px;
}

.payment-detail-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
}

.payment-instruction {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-md);
}

/* ===================================
   PIX Payment Styles
   =================================== */

.pix-payment {
    text-align: center;
}

.qr-code-container {
    display: flex;
    justify-content: center;
    margin: var(--spacing-lg) 0;
}

.qr-code-image {
    width: 200px;
    height: 200px;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    background: var(--color-white);
}

.pix-code-container {
    text-align: left;
    margin-top: var(--spacing-lg);
}

.pix-code-container .input-with-button {
    margin-top: 0.5rem;
}

.pix-code-container .form-input {
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.payment-timer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(255, 165, 0, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-warning);
    font-size: 0.875rem;
}

.timer-icon {
    font-size: 1.25rem;
}

/* ===================================
   Card Payment Styles
   =================================== */

.card-payment {
    text-align: left;
}

.card-flags {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: 0.5rem;
}

.card-flag {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-sm);
}

.card-security-notice {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(0, 208, 132, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-success);
    font-size: 0.875rem;
}

.security-icon {
    font-size: 1.25rem;
}

/* ===================================
   Boleto Payment Styles
   =================================== */

.boleto-payment {
    text-align: center;
}

.boleto-info-box {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.boleto-info-item {
    padding: var(--spacing-md);
    background: var(--color-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-300);
}

.info-label {
    display: block;
    font-size: 0.75rem;
    color: var(--color-gray-600);
    margin-bottom: 0.25rem;
}

.info-value {
    display: block;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.boleto-barcode-preview {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-xl);
    background: var(--color-white);
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--radius-md);
}

.barcode-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-gray-500);
}

.barcode-placeholder span {
    font-size: 3rem;
}

.boleto-notice {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(0, 173, 216, 0.1);
    border-radius: var(--radius-md);
    text-align: left;
    font-size: 0.875rem;
    color: var(--color-gray-700);
}

.notice-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* ===================================
   Modal Updates
   =================================== */

.modal-payment-info {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background: rgba(0, 208, 132, 0.1);
    border: 1px solid rgba(0, 208, 132, 0.2);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: var(--text-sm);
    color: var(--color-success);
}

.modal-whatsapp-notice {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: var(--spacing-md) 0;
    padding: var(--spacing-sm);
    background: rgba(37, 211, 102, 0.1);
    border: 1px solid rgba(37, 211, 102, 0.2);
    border-radius: var(--radius-md);
    color: #25D366;
    font-size: var(--text-sm);
    font-weight: 600;
}

.whatsapp-icon {
    font-size: var(--text-xl);
}

.modal-order-id {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-200);
    font-size: var(--text-sm);
    color: var(--color-gray-600);
}

/* ===================================
   FAQ
   =================================== */

.faq {
    padding: var(--spacing-3xl) 0;
    background: var(--color-gray-100);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: var(--spacing-sm);
    background: var(--color-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-200);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: var(--color-white);
    border: none;
    text-align: left;
    font-size: var(--text-base);
    font-weight: 600;
    color: var(--color-gray-900);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.faq-question:hover {
    background: var(--color-gray-50);
}

.faq-icon {
    font-size: var(--text-2xl);
    font-weight: 300;
    color: var(--color-primary);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--color-gray-600);
    line-height: 1.6;
    font-size: var(--text-sm);
}

/* ===================================
   Footer
   =================================== */

.footer {
    padding: var(--spacing-2xl) 0;
    background: var(--color-gray-900);
    color: var(--color-gray-400);
}

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

.footer-logo {
    font-size: var(--text-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
    letter-spacing: -0.025em;
}

.footer-tagline {
    font-size: var(--text-base);
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-300);
}

.footer-info {
    font-size: var(--text-sm);
    line-height: 1.8;
}

/* ===================================
   Sticky CTA (Mobile)
   =================================== */

.sticky-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-top: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-xl);
    z-index: 90;
    padding: var(--spacing-sm);
    display: none;
}

.sticky-cta.visible {
    display: block;
}

.sticky-cta-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.sticky-cta-info {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.sticky-cta-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
}

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

.btn-sticky {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

/* ===================================
   Modal
   =================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    max-width: 500px;
    width: 100%;
    padding: var(--spacing-2xl);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-2xl);
    text-align: center;
    border: 1px solid var(--color-gray-200);
}

.modal-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
}

.modal-title {
    font-size: var(--text-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-900);
    letter-spacing: -0.025em;
}

.modal-message {
    font-size: var(--text-base);
    color: var(--color-gray-600);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.modal-detail {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

/* ===================================
   Responsive Design
   =================================== */

@media (min-width: 640px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
    
    .form-group-large {
        grid-column: span 2;
    }
    
    .form-group-small {
        grid-column: span 1;
    }
    
    .faq-question {
        font-size: 1.125rem;
    }
}

@media (min-width: 768px) {
    html {
        font-size: 17px;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .valor-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .checkout-grid {
        grid-template-columns: 1fr 400px;
    }
    
    .checkout-form {
        order: 1;
    }
    
    .order-summary {
        order: 2;
    }
    
    .sticky-cta {
        display: block;
    }
}

@media (min-width: 1024px) {
    html {
        font-size: 18px;
    }
    
    .hero-title {
        font-size: 4rem;
    }
    
    .valor-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .steps-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ===================================
   Print Styles
   =================================== */

@media print {
    .header,
    .sticky-cta,
    .btn,
    .faq {
        display: none;
    }
}