:root {
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #f0f4f8 100%);
    min-height: 100vh;
}

.checkout-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* ===== NAVBAR ===== */
.checkout-navbar {
    background: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    padding: 16px 0;
    margin-bottom: 40px;
}

.checkout-navbar .navbar-brand img {
    height: 40px;
}

.security-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: #666;
}

.security-badge i {
    color: #10b981;
    font-size: 1.1rem;
}

/* ===== LAYOUT PRINCIPAL ===== */
.checkout-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 32px;
    max-width: 1400px;
    margin: 0 auto;
    align-items: start;
}

.checkout-sidebar {
    position: -webkit-sticky; /* Para Safari */
    position: sticky;
    top: 20px; 
    height: fit-content; 
    z-index: 100;
}

@media (max-width: 1024px) {
    .checkout-layout {
        grid-template-columns: 1fr;
    }
    .checkout-sidebar {
        position: static;
        order: -1;
        margin-top: 0;
    }
}



/* ===== CARD PRINCIPAL ===== */
.checkout-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    padding: 40px;
    transition: var(--transition);
}

.checkout-card.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* ===== SEÇÕES ===== */
.checkout-section {
    margin-bottom: 40px;
}

.checkout-section:last-child {
    margin-bottom: 0;
}

.section-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.section-title i {
    font-size: 1.5rem;
    color: #4361ee;
}

/* ===== FORMULÁRIO ===== */
.form-group-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    position: relative;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: #4a5568;
    margin-bottom: 8px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
    background: white;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #4361ee;
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.form-group input.is-valid {
    border-color: #10b981;
    background: #f0fdf4;
}

.form-group input.is-invalid {
    border-color: #dc3545;
    background: #fef2f2;
}

.form-feedback {
    font-size: 0.75rem;
    margin-top: 6px;
    display: none;
}

.form-feedback.valid {
    color: #10b981;
    display: block;
}

.form-feedback.invalid {
    color: #dc3545;
    display: block;
}

/* ===== SELETOR DE PLANOS ===== */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

/* ===== TIPO PESSOA (PF/PJ) ===== */
.tipo-pessoa-container {
    display: flex;
    gap: 16px; /* Espaço entre as caixas */
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid #edf2f7; /* Linha separadora sutil */
}

.tipo-pessoa-option {
    flex: 1; /* Faz as duas opções ocuparem o mesmo tamanho */
    display: flex;
    align-items: center;
    padding: 16px; /* Área de clique grande e confortável */
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    cursor: pointer;
    background: white;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative; /* Para posicionamento */
}

/* Efeito ao passar o mouse */
.tipo-pessoa-option:hover {
    border-color: #a0aec0;
    background-color: #f8fafc;
}

/* Estado SELECIONADO (A mágica acontece aqui) */
.tipo-pessoa-option.selected {
    border-color: #4361ee; /* Cor principal (Azul) */
    background-color: #f0f4ff; /* Fundo azul bem clarinho */
    box-shadow: 0 4px 12px rgba(67, 97, 238, 0.1);
}

/* Estilo do Input Radio (A bolinha) */
.tipo-pessoa-option input[type="radio"] {
    /* Deixa a bolinha maior */
    width: 18px;
    height: 18px;
    margin-right: 12px;
    cursor: pointer;
    
    /* Pinta a bolinha com a cor da sua marca (Suporte moderno) */
    accent-color: #4361ee; 
}

/* Estilo do Texto */
.tipo-pessoa-option span {
    font-weight: 600;
    color: #4a5568;
    display: flex;
    align-items: center;
    font-size: 0.95rem;
}

/* Muda a cor do texto quando selecionado */
.tipo-pessoa-option.selected span {
    color: #4361ee;
}

/* ===== SEÇÃO PLANO GRATUITO ===== */
.plano-gratuito-container {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    border: 2px solid #86efac;
    border-radius: 12px;
    padding: 32px;
    text-align: center;
}

.plano-gratuito-icon {
    font-size: 3rem;
    color: #10b981;
    margin-bottom: 16px;
}

.plano-gratuito-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #166534;
    margin-bottom: 8px;
}

.plano-gratuito-subtitle {
    color: #15803d;
    margin-bottom: 24px;
}

.resumo-dados {
    background: white;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 24px;
    text-align: left;
}

.resumo-dados h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid #e2e8f0;
}

.resumo-item {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px dashed #e2e8f0;
}

.resumo-item:last-child {
    border-bottom: none;
}

.resumo-item.destaque {
    margin-top: 8px;
    padding-top: 12px;
    border-top: 2px solid #10b981;
    border-bottom: none;
}

.resumo-label {
    color: #64748b;
    font-size: 0.9rem;
}

.resumo-valor {
    font-weight: 600;
    color: #2d3748;
}

.resumo-item.destaque .resumo-valor {
    color: #10b981;
    font-size: 1.25rem;
}

.btn-confirmar-gratuito {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    max-width: 320px;
    padding: 16px 32px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-confirmar-gratuito:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
}

.btn-confirmar-gratuito:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

@media (max-width: 1200px) {
    .plans-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .plans-grid {
        grid-template-columns: 1fr;
    }
}

.plan-card {
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 16px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    background: white;
}

.plan-card:hover {
    border-color: #4361ee;
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(67, 97, 238, 0.12);
}

.plan-card.selected {
    border-color: #4361ee;
    background: #f0f4ff;
    box-shadow: 0 8px 24px rgba(67, 97, 238, 0.15);
}

.plan-card.featured {
    border-color: #10b981;
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 20px;
    background: #10b981;
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.plan-name {
    font-size: 1rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 6px;
    margin-top: 6px;
}

.plan-description {
    font-size: 0.75rem;
    color: #718096;
    margin-bottom: 12px;
    min-height: 30px;
}

.plan-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #4361ee;
    margin-bottom: 2px;
}

.plan-price-period {
    font-size: 0.875rem;
    color: #a0aec0;
    margin-bottom: 16px;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.875rem;
    color: #4a5568;
}

.plan-features li {
    padding: 6px 0;
    border-bottom: 1px solid #edf2f7;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: #4a5568;
}

.plan-features li:last-child {
    border-bottom: none;
}

.plan-features i {
    color: #10b981;
    font-size: 1rem;
}

.plan-features del {
    color: #a0aec0;
    text-decoration: line-through;
}

/* ===== PERÍODO DE COBRANÇA ===== */
.billing-period-toggle {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    background: #f7fafc;
    padding: 8px;
    border-radius: 8px;
    width: fit-content;
}

.billing-period-toggle button {
    padding: 10px 20px;
    border: none;
    background: transparent;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    color: #718096;
}

.billing-period-toggle button.active {
    background: white;
    color: #4361ee;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* ===== MÉTODOS DE PAGAMENTO ===== */
.payment-methods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.payment-method {
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    background: white;
}

.payment-method:hover {
    border-color: #4361ee;
    background: #f0f4ff;
}

.payment-method.selected {
    border-color: #4361ee;
    background: #f0f4ff;
    box-shadow: 0 4px 12px rgba(67, 97, 238, 0.15);
}

.payment-method i {
    font-size: 2rem;
    margin-bottom: 8px;
    display: block;
}

.payment-method.pix i {
    color: #32bcad;
}

.payment-method.boleto i {
    color: #f59e0b;
}

.payment-method.cartao i {
    color: #4361ee;
}

.payment-method-label {
    font-weight: 600;
    font-size: 0.95rem;
    color: #2d3748;
    margin-bottom: 4px;
}

.payment-method-desc {
    font-size: 0.75rem;
    color: #a0aec0;
}

/* ===== ÁREAS DE PAGAMENTO ===== */
.payment-area {
    display: none;
    animation: fadeIn 0.3s ease-in;
}

.payment-area.active {
    display: block;
}

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

/* PIX */
.pix-display {
    text-align: center;
    padding: 24px;
    background: #f0fdf4;
    border-radius: 12px;
    margin-bottom: 20px;
}

.pix-qr {
    max-width: 200px;
    margin: 20px auto;
    padding: 12px;
    background: white;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.pix-qr img {
    width: 100%;
    display: block;
}

.pix-code {
    background: white;
    padding: 16px;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    word-break: break-all;
    max-height: 80px;
    overflow-y: auto;
    margin: 16px 0;
    border: 1px solid #e2e8f0;
}

.pix-timer {
    font-size: 1.5rem;
    font-weight: 700;
    color: #dc3545;
    margin: 16px 0;
}

.pix-status {
    padding: 16px;
    border-radius: 8px;
    margin-top: 16px;
    font-size: 0.95rem;
}

.pix-status.waiting {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fcd34d;
}

.pix-status.confirmed {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

/* BOLETO */
.boleto-display {
    padding: 24px;
    background: #fffbeb;
    border-radius: 12px;
}

.boleto-code {
    background: white;
    padding: 16px;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    letter-spacing: 1px;
    margin: 16px 0;
    border: 1px solid #fcd34d;
    text-align: center;
}

.boleto-info {
    background: white;
    padding: 16px;
    border-radius: 8px;
    font-size: 0.875rem;
    color: #666;
    margin-top: 16px;
    border-left: 4px solid #f59e0b;
}

/* CARTÃO */
.card-form {
    max-width: 100%;
}

.card-form .form-group-row {
    margin-bottom: 16px;
}

/* ===== CUPOM DE DESCONTO ===== */
.cupom-container {
    background: #f8fafc;
    border: 2px dashed #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 24px;
    transition: all 0.3s ease;
}

.cupom-container.has-cupom {
    border-color: #10b981;
    background: #f0fdf4;
}

.cupom-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    cursor: pointer;
}

.cupom-header i {
    color: #f59e0b;
    font-size: 1.2rem;
}

.cupom-header span {
    font-weight: 600;
    color: #4a5568;
    font-size: 0.95rem;
}

.cupom-header .toggle-icon {
    margin-left: auto;
    transition: transform 0.3s ease;
}

.cupom-header.collapsed .toggle-icon {
    transform: rotate(-90deg);
}

.cupom-form {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.cupom-form.hidden {
    display: none;
}

.cupom-input-wrapper {
    flex: 1;
    position: relative;
}

.cupom-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Inter', sans-serif;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.cupom-input:focus {
    outline: none;
    border-color: #4361ee;
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.cupom-input.is-valid {
    border-color: #10b981;
    background: #f0fdf4;
}

.cupom-input.is-invalid {
    border-color: #dc3545;
    background: #fef2f2;
}

.cupom-input::placeholder {
    text-transform: none;
}

.btn-cupom {
    padding: 12px 20px;
    background: linear-gradient(135deg, #4361ee 0%, #3a51d4 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.btn-cupom:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(67, 97, 238, 0.3);
}

.btn-cupom:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-cupom.loading {
    position: relative;
    color: transparent;
}

.btn-cupom.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin: -8px 0 0 -8px;
    border: 2px solid white;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Resultado do Cupom */
.cupom-resultado {
    display: none;
    margin-top: 12px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
}

.cupom-resultado.show {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.cupom-resultado.sucesso {
    background: #d1fae5;
    color: #065f46;
}

.cupom-resultado.erro {
    background: #fee2e2;
    color: #991b1b;
}

.cupom-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cupom-info i {
    font-size: 1.1rem;
}

.cupom-desconto {
    font-weight: 700;
}

.btn-remover-cupom {
    background: transparent;
    border: none;
    color: #991b1b;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background 0.2s;
}

.btn-remover-cupom:hover {
    background: rgba(0,0,0,0.1);
}

/* Atualização do Resumo com Desconto */
.summary-row.desconto {
    color: #10b981;
}

.summary-row.desconto .summary-value {
    font-weight: 700;
}

.summary-row.subtotal {
    color: #a0aec0;
    font-size: 0.9rem;
}

.summary-row.subtotal .valor-riscado {
    text-decoration: line-through;
}

/* ===== SIDEBAR ===== */
.checkout-sidebar {
    position: sticky; 
    top: 20px; 
    height: fit-content; 
    z-index: 10;
}

.order-summary {
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.summary-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid #edf2f7;
    font-size: 0.95rem;
    color: #4a5568;
}

.summary-row:last-child {
    border-bottom: none;
}

.summary-row strong {
    color: #2d3748;
}

.summary-total {
    padding-top: 16px;
    margin-top: 16px;
    border-top: 2px solid #edf2f7;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.summary-total-label {
    font-weight: 600;
    color: #2d3748;
}

.summary-total-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: #4361ee;
}

/* ===== BOTÕES ===== */
.btn-checkout {
    width: 100%;
    padding: 14px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-checkout.primary {
    background: linear-gradient(135deg, #4361ee 0%, #3a51d4 100%);
    color: white;
    margin-top: 24px;
}

.btn-checkout.primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(67, 97, 238, 0.3);
}

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

.btn-checkout.secondary {
    background: white;
    color: #4361ee;
    border: 2px solid #4361ee;
    margin-top: 12px;
}

.btn-checkout.secondary:hover {
    background: #f0f4ff;
}

.btn-copy {
    padding: 10px 16px;
    background: #f0f4ff;
    border: 1px solid #4361ee;
    color: #4361ee;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    margin-top: 12px;
}

.btn-copy:hover {
    background: #4361ee;
    color: white;
}

/* ===== LOADING ===== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    z-index: 9999;
    gap: 16px;
    backdrop-filter: blur(4px);
}

.loading-overlay.hidden {
    display: none;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid #e2e8f0;
    border-top-color: #4361ee;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== SUCESSO ===== */
.success-container {
    text-align: center;
    padding: 40px;
}

.success-icon {
    font-size: 4rem;
    color: #10b981;
    margin-bottom: 20px;
    animation: bounceIn 0.6s ease-out;
}

@keyframes bounceIn {
    0% { transform: scale(0); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

.success-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 12px;
}

.success-message {
    color: #718096;
    margin-bottom: 24px;
    font-size: 1rem;
}

.success-email {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
    padding: 16px;
    border-radius: 8px;
    margin: 24px 0;
    font-weight: 500;
}

/* ===== ALERTAS ===== */
.alert-message {
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: none;
    animation: slideDown 0.3s ease-out;
}

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

.alert-message.show {
    display: block;
}

.alert-message.error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.alert-message.success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.alert-message.warning {
    background: #fef3c7;
    border: 1px solid #fcd34d;
    color: #92400e;
}

/* ===== WHATSAPP AJUDA (floating) ===== */
.wa-help-fab{
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 9999;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.wa-help-bubble{
  background: #ffffff;
  color: #2d3748;
  border: 1px solid rgba(0,0,0,.08);
  box-shadow: 0 10px 30px rgba(0,0,0,.12);
  padding: 10px 12px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 13px;
  line-height: 1;
  white-space: nowrap;
  transition: transform .25s ease, box-shadow .25s ease, opacity .25s ease;
}

.wa-help-bubble::after{
  content:"";
  position:absolute;
  right: 12px;
  bottom: -6px;
  width: 10px;
  height: 10px;
  background: #ffffff;
  border-right: 1px solid rgba(0,0,0,.08);
  border-bottom: 1px solid rgba(0,0,0,.08);
  transform: rotate(45deg);
}

.wa-help-btn{
  width: 52px;
  height: 52px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #25D366;
  color: #ffffff;
  box-shadow: 0 14px 34px rgba(0,0,0,.18);
  transition: transform .25s ease, box-shadow .25s ease, filter .25s ease;
  font-size: 24px;
}

.wa-help-fab:hover .wa-help-btn{
  transform: translateY(-2px);
  box-shadow: 0 18px 44px rgba(0,0,0,.22);
  filter: brightness(0.98);
}

.wa-help-fab:hover .wa-help-bubble{
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(0,0,0,.16);
}

@media (max-width: 520px){
  .wa-help-bubble{ display:none; } /* no mobile fica só o ícone */
}

/* ===== RESPONSIVO ===== */
@media (max-width: 768px) {
    .checkout-container {
        padding: 20px 16px;
    }

    .checkout-card {
        padding: 24px;
    }

    .plans-grid {
        grid-template-columns: 1fr;
    }

    .payment-methods-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .form-group-row {
        grid-template-columns: 1fr;
    }
}