/* ====================================
   SEÇÃO DE MANUTENÇÃO DE TROCADOR DE CALOR
   Aquaflex Aquecedores - CSS Futurista
   Prefixo: mtc- (Manutenção Trocador Calor)
   VERSÃO 2 - Layout Corrigido
==================================== */

/* ========== VARIÁVEIS E BASE ========== */
.mtc-section {
    --mtc-primary: #ff5500;
    --mtc-primary-light: #ff7700;
    --mtc-primary-dark: #cc4400;
    --mtc-secondary: #2693FF;
    --mtc-secondary-light: #4da6ff;
    --mtc-green: #28a745;
    --mtc-green-light: #34ce57;
    --mtc-purple: #8b5cf6;
    --mtc-dark: #010f34;
    --mtc-dark-light: #0a1a4a;
    --mtc-dark-lighter: #1a2a5a;
    --mtc-gray: #788094;
    --mtc-white: #ffffff;
    --mtc-border: rgba(255, 255, 255, 0.1);
    --mtc-glass: rgba(255, 255, 255, 0.05);
    --mtc-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --mtc-glow-primary: 0 0 30px rgba(255, 85, 0, 0.4);
    --mtc-glow-secondary: 0 0 30px rgba(38, 147, 255, 0.4);
    --mtc-font-heading: "Outfit", sans-serif;
    --mtc-font-body: "DM Sans", sans-serif;
    
    position: relative;
    background: linear-gradient(180deg, var(--mtc-dark) 0%, var(--mtc-dark-light) 50%, var(--mtc-dark) 100%);
    /* padding: 30px 0 100px; */
	padding: 30px 0 0 0;
    overflow: hidden;
    font-family: var(--mtc-font-body);
}

/* ========== PARTÍCULAS DE FUNDO ========== */
.mtc-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.mtc-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--mtc-primary);
    border-radius: 50%;
    opacity: 0.3;
    animation: mtcParticleFloat 15s infinite ease-in-out;
}

@keyframes mtcParticleFloat {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0.3; }
    25% { transform: translateY(-100px) translateX(50px); opacity: 0.6; }
    50% { transform: translateY(-200px) translateX(-30px); opacity: 0.4; }
    75% { transform: translateY(-100px) translateX(70px); opacity: 0.5; }
}

/* ========== EFEITO DE LUZ ESCANEANDO ========== */
.mtc-scan-light {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent 0%,
        rgba(255, 85, 0, 0.03) 45%,
        rgba(255, 85, 0, 0.08) 50%,
        rgba(255, 85, 0, 0.03) 55%,
        transparent 100%
    );
    animation: mtcScanLight 8s infinite ease-in-out;
    pointer-events: none;
    z-index: 2;
}

@keyframes mtcScanLight {
    0% { left: -100%; }
    100% { left: 200%; }
}

/* ========== HEADER DA SEÇÃO ========== */
.mtc-header {
    position: relative;
    z-index: 10;
    text-align: center;
    margin-bottom: 60px;
}

.mtc-header-content {
    max-width: 800px;
    margin: 0 auto;
}

.mtc-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--mtc-glass);
    border: 1px solid var(--mtc-border);
    border-radius: 50px;
    padding: 10px 25px;
    margin-bottom: 25px;
    position: relative;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.mtc-badge-icon {
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, var(--mtc-primary), var(--mtc-primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mtc-white);
    font-size: 16px;
    box-shadow: var(--mtc-glow-primary);
}

.mtc-badge span {
    color: var(--mtc-white);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.mtc-badge-pulse {
    position: absolute;
    right: 15px;
    width: 10px;
    height: 10px;
    background: var(--mtc-green);
    border-radius: 50%;
    animation: mtcPulse 2s infinite;
}

@keyframes mtcPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.7); }
    50% { box-shadow: 0 0 0 10px rgba(40, 167, 69, 0); }
}

.mtc-title {
    font-family: var(--mtc-font-heading);
    font-size: 52px;
    font-weight: 700;
    color: var(--mtc-white);
    line-height: 1.2;
    margin-bottom: 20px;
}

.mtc-title-highlight {
    display: block;
    background: linear-gradient(90deg, var(--mtc-primary), var(--mtc-primary-light), var(--mtc-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mtc-subtitle {
    font-size: 18px;
    color: var(--mtc-gray);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

.mtc-subtitle strong {
    color: var(--mtc-green);
    font-weight: 700;
}

/* ========== GRID PRINCIPAL - COLUNAS ALINHADAS ========== */
.mtc-main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    position: relative;
    z-index: 10;
    margin-bottom: 40px;
    align-items: stretch; /* Força colunas com mesma altura */
}

.mtc-visual-column,
.mtc-diagnostic-column {
    display: flex;
    flex-direction: column;
}

.mtc-device-container,
.mtc-diagnostic-card {
    flex: 1; /* Faz os cards ocuparem toda altura disponível */
    display: flex;
    flex-direction: column;
}

/* ========== COLUNA VISUAL - DISPOSITIVO ========== */
.mtc-device-container {
    background: var(--mtc-glass);
    border: 1px solid var(--mtc-border);
    border-radius: 24px;
    padding: 30px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

/* Moldura Futurista */
.mtc-device-frame {
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    pointer-events: none;
}

.mtc-frame-corner {
    position: absolute;
    width: 30px;
    height: 30px;
    border: 2px solid var(--mtc-primary);
    opacity: 0.5;
}

.mtc-corner-tl { top: 0; left: 0; border-right: none; border-bottom: none; border-radius: 8px 0 0 0; }
.mtc-corner-tr { top: 0; right: 0; border-left: none; border-bottom: none; border-radius: 0 8px 0 0; }
.mtc-corner-bl { bottom: 0; left: 0; border-right: none; border-top: none; border-radius: 0 0 0 8px; }
.mtc-corner-br { bottom: 0; right: 0; border-left: none; border-top: none; border-radius: 0 0 8px 0; }

.mtc-device-visual {
    position: relative;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
}

.mtc-device-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 85, 0, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: mtcDeviceGlow 4s infinite ease-in-out;
}

@keyframes mtcDeviceGlow {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 0.8; }
}

/* SVG do Trocador */
.mtc-exchanger-svg {
    position: relative;
    width: 100%;
    max-width: 280px;
}

.mtc-svg-main {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 0 20px rgba(255, 85, 0, 0.3));
}

.mtc-serpentine {
    animation: mtcFlowAnimation 3s infinite linear;
    stroke-dasharray: 20 10;
}

@keyframes mtcFlowAnimation {
    from { stroke-dashoffset: 0; }
    to { stroke-dashoffset: -60; }
}

.mtc-label-text {
    font-family: var(--mtc-font-body);
    font-weight: 600;
    font-size: 10px;
}

/* ========== HOTSPOTS INTERATIVOS ========== */
.mtc-hotspot {
    position: absolute;
    width: 40px;
    height: 40px;
    transform: translate(-50%, -50%);
    z-index: 20;
}

.mtc-hotspot-pulse {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--mtc-primary);
    border-radius: 50%;
    animation: mtcHotspotPulse 2s infinite;
    opacity: 0.3;
}

@keyframes mtcHotspotPulse {
    0% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.5); opacity: 0; }
    100% { transform: scale(1); opacity: 0.3; }
}

.mtc-hotspot-icon {
    position: relative;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--mtc-primary), var(--mtc-primary-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mtc-white);
    font-size: 16px;
    box-shadow: var(--mtc-glow-primary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.mtc-hotspot:hover .mtc-hotspot-icon {
    transform: scale(1.15);
    box-shadow: 0 0 40px rgba(255, 85, 0, 0.6);
}

.mtc-hotspot.active .mtc-hotspot-icon {
    background: linear-gradient(135deg, var(--mtc-secondary), var(--mtc-secondary-light));
    box-shadow: var(--mtc-glow-secondary);
}

/* ========== PAINEL DE INFORMAÇÃO ========== */
.mtc-info-panel {
    background: linear-gradient(135deg, var(--mtc-dark-light), var(--mtc-dark-lighter));
    border: 1px solid var(--mtc-border);
    border-radius: 16px;
    padding: 20px;
    margin-top: 20px;
    transition: all 0.4s ease;
}

.mtc-info-panel.active {
    border-color: var(--mtc-primary);
    box-shadow: 0 0 30px rgba(255, 85, 0, 0.2);
}

.mtc-info-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.mtc-info-icon {
    width: 45px;
    height: 45px;
    background: var(--mtc-glass);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mtc-primary);
    font-size: 20px;
}

.mtc-info-title {
    font-family: var(--mtc-font-heading);
    font-size: 18px;
    font-weight: 600;
    color: var(--mtc-white);
    margin: 0;
}

.mtc-info-text {
    color: var(--mtc-gray);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 15px;
}

.mtc-info-status {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    background: var(--mtc-glass);
    border-radius: 8px;
}

.mtc-status-dot {
    width: 10px;
    height: 10px;
    background: var(--mtc-gray);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.mtc-info-panel.status-ok .mtc-status-dot { background: var(--mtc-green); box-shadow: 0 0 10px var(--mtc-green); }
.mtc-info-panel.status-warning .mtc-status-dot { background: #ffc107; box-shadow: 0 0 10px #ffc107; }
.mtc-info-panel.status-danger .mtc-status-dot { background: #dc3545; box-shadow: 0 0 10px #dc3545; }

.mtc-status-text {
    font-size: 13px;
    color: var(--mtc-gray);
}

/* ========== CARD DE DIAGNÓSTICO ========== */
.mtc-diagnostic-card {
    background: var(--mtc-glass);
    border: 1px solid var(--mtc-border);
    border-radius: 24px;
    padding: 30px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.mtc-diagnostic-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--mtc-primary), var(--mtc-secondary));
}

.mtc-card-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.mtc-card-icon {
    width: 55px;
    height: 55px;
    background: linear-gradient(135deg, var(--mtc-primary), var(--mtc-primary-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mtc-white);
    font-size: 24px;
    box-shadow: var(--mtc-glow-primary);
    flex-shrink: 0;
}

.mtc-card-icon.mtc-icon-green {
    background: linear-gradient(135deg, var(--mtc-green), var(--mtc-green-light));
    box-shadow: 0 0 30px rgba(40, 167, 69, 0.4);
}

.mtc-card-title {
    font-family: var(--mtc-font-heading);
    font-size: 22px;
    font-weight: 600;
    color: var(--mtc-white);
    margin: 0 0 5px;
}

.mtc-card-desc {
    font-size: 14px;
    color: var(--mtc-gray);
    margin: 0;
}

/* ========== QUIZ DE DIAGNÓSTICO ========== */
.mtc-quiz-container {
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.mtc-quiz-progress {
    margin-bottom: 25px;
}

.mtc-progress-bar {
    height: 6px;
    background: var(--mtc-dark-lighter);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 10px;
}

.mtc-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--mtc-primary), var(--mtc-secondary));
    border-radius: 3px;
    width: 20%;
    transition: width 0.5s ease;
}

.mtc-progress-text {
    font-size: 13px;
    color: var(--mtc-gray);
}

.mtc-quiz-questions {
    flex: 1;
}

.mtc-question {
    display: none;
    animation: mtcFadeIn 0.4s ease;
}

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

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

.mtc-question-title {
    font-family: var(--mtc-font-heading);
    font-size: 18px;
    font-weight: 600;
    color: var(--mtc-white);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.mtc-question-title i {
    color: var(--mtc-primary);
}

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

.mtc-option {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 16px 20px;
    background: var(--mtc-dark-lighter);
    border: 2px solid transparent;
    border-radius: 12px;
    color: var(--mtc-white);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mtc-option:hover {
    background: var(--mtc-dark-light);
    border-color: var(--mtc-primary);
    transform: translateX(5px);
}

.mtc-option.selected {
    background: rgba(255, 85, 0, 0.15);
    border-color: var(--mtc-primary);
}

.mtc-option-icon {
    width: 32px;
    height: 32px;
    background: var(--mtc-glass);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mtc-gray);
    font-size: 14px;
    transition: all 0.3s ease;
}

.mtc-option:hover .mtc-option-icon,
.mtc-option.selected .mtc-option-icon {
    background: var(--mtc-primary);
    color: var(--mtc-white);
}

/* ========== RESULTADO DO QUIZ ========== */
.mtc-quiz-result {
    display: none;
    text-align: center;
    padding: 20px 0;
    animation: mtcFadeIn 0.5s ease;
}

.mtc-quiz-result.active {
    display: block;
}

.mtc-result-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
}

.mtc-result-icon.result-good { background: rgba(40, 167, 69, 0.2); color: var(--mtc-green); box-shadow: 0 0 40px rgba(40, 167, 69, 0.3); }
.mtc-result-icon.result-warning { background: rgba(255, 193, 7, 0.2); color: #ffc107; box-shadow: 0 0 40px rgba(255, 193, 7, 0.3); }
.mtc-result-icon.result-danger { background: rgba(220, 53, 69, 0.2); color: #dc3545; box-shadow: 0 0 40px rgba(220, 53, 69, 0.3); }

.mtc-result-title {
    font-family: var(--mtc-font-heading);
    font-size: 22px;
    font-weight: 700;
    color: var(--mtc-white);
    margin-bottom: 10px;
}

.mtc-result-text {
    font-size: 14px;
    color: var(--mtc-gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.mtc-result-meter {
    margin-bottom: 25px;
}

.mtc-meter-track {
    height: 12px;
    background: linear-gradient(90deg, var(--mtc-green), #ffc107, #dc3545);
    border-radius: 6px;
    position: relative;
    margin-bottom: 10px;
}

.mtc-meter-fill {
    position: absolute;
    top: -4px;
    width: 20px;
    height: 20px;
    background: var(--mtc-white);
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    left: 10%;
    transition: left 0.5s ease;
}

.mtc-meter-labels {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--mtc-gray);
}

.mtc-result-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.mtc-result-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--mtc-green), var(--mtc-green-light));
    border-radius: 12px;
    color: var(--mtc-white);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.mtc-result-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(40, 167, 69, 0.4);
    color: var(--mtc-white);
}

.mtc-restart-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    background: var(--mtc-dark-lighter);
    border: 2px solid var(--mtc-border);
    border-radius: 12px;
    color: var(--mtc-white);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mtc-restart-btn:hover {
    background: var(--mtc-primary);
    border-color: var(--mtc-primary);
}

/* ========== CALCULADORA DE ECONOMIA - HORIZONTAL ========== */
.mtc-calculator-section {
    position: relative;
    z-index: 10;
    margin-bottom: 60px;
}

.mtc-calculator-card {
    background: var(--mtc-glass);
    border: 1px solid var(--mtc-border);
    border-radius: 24px;
    padding: 30px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.mtc-calculator-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--mtc-green), var(--mtc-secondary));
}

.mtc-calculator-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
}

.mtc-calculator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 25px;
    align-items: center;
}

.mtc-calc-input-section {
    padding-right: 25px;
    border-right: 1px solid var(--mtc-border);
}

.mtc-calc-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--mtc-white);
    margin-bottom: 12px;
}

.mtc-calc-label i {
    color: var(--mtc-primary);
}

.mtc-calc-input-wrapper {
    display: flex;
    align-items: center;
    background: var(--mtc-dark-lighter);
    border: 2px solid var(--mtc-border);
    border-radius: 12px;
    padding: 0 15px;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.mtc-calc-input-wrapper:focus-within {
    border-color: var(--mtc-primary);
    box-shadow: 0 0 20px rgba(255, 85, 0, 0.2);
}

.mtc-input-prefix {
    color: var(--mtc-gray);
    font-weight: 600;
    margin-right: 5px;
}

.mtc-calc-input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 15px 0;
    font-size: 24px;
    font-weight: 700;
    color: var(--mtc-white);
    outline: none;
    width: 100%;
}

.mtc-calc-input::-webkit-inner-spin-button,
.mtc-calc-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.mtc-calc-slider {
    width: 100%;
    height: 8px;
    background: var(--mtc-dark-lighter);
    border-radius: 4px;
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.mtc-calc-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--mtc-primary), var(--mtc-primary-light));
    border-radius: 50%;
    box-shadow: var(--mtc-glow-primary);
    cursor: pointer;
    transition: transform 0.2s ease;
}

.mtc-calc-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.mtc-calc-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--mtc-primary), var(--mtc-primary-light));
    border-radius: 50%;
    border: none;
    box-shadow: var(--mtc-glow-primary);
    cursor: pointer;
}

.mtc-calc-result-item {
    background: var(--mtc-dark-lighter);
    border-radius: 16px;
    padding: 25px;
    text-align: center;
}

.mtc-calc-result-item.mtc-result-highlight {
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.2), rgba(40, 167, 69, 0.1));
    border: 1px solid var(--mtc-green);
}

.mtc-calc-result-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 15px;
    background: var(--mtc-glass);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mtc-secondary);
    font-size: 22px;
}

.mtc-result-highlight .mtc-calc-result-icon {
    color: var(--mtc-green);
}

.mtc-result-label {
    display: block;
    font-size: 14px;
    color: var(--mtc-gray);
    margin-bottom: 8px;
}

.mtc-result-value {
    display: block;
    font-family: var(--mtc-font-heading);
    font-size: 28px;
    font-weight: 700;
    color: var(--mtc-white);
    transition: transform 0.2s ease;
}

.mtc-result-highlight .mtc-result-value {
    color: var(--mtc-green);
}

.mtc-calc-info {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 20px;
    background: rgba(38, 147, 255, 0.1);
    border: 1px solid rgba(38, 147, 255, 0.3);
    border-radius: 12px;
    margin-top: 25px;
}

.mtc-calc-info i {
    color: var(--mtc-secondary);
    font-size: 20px;
    margin-top: 2px;
}

.mtc-calc-info span {
    font-size: 14px;
    color: var(--mtc-gray);
    line-height: 1.6;
}

.mtc-calc-info strong {
    color: var(--mtc-green);
}

/* ========== SEÇÃO MANUTENÇÃO PREVENTIVA x CORRETIVA ========== */
.mtc-maintenance-section {
    position: relative;
    z-index: 10;
    margin-bottom: 80px;
}

.mtc-maintenance-header,
.mtc-faq-header {
    text-align: center;
    margin-bottom: 50px;
}

.mtc-section-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--mtc-glass);
    border: 1px solid var(--mtc-border);
    border-radius: 50px;
    padding: 8px 20px;
    margin-bottom: 20px;
}

.mtc-section-badge i {
    color: var(--mtc-primary);
    font-size: 16px;
}

.mtc-section-badge span {
    color: var(--mtc-white);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.mtc-section-title {
    font-family: var(--mtc-font-heading);
    font-size: 36px;
    font-weight: 700;
    color: var(--mtc-white);
    margin-bottom: 15px;
}

.mtc-section-title span {
    color: var(--mtc-gray);
    font-weight: 400;
}

.mtc-section-subtitle {
    font-size: 16px;
    color: var(--mtc-gray);
    max-width: 600px;
    margin: 0 auto;
}

.mtc-maintenance-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.mtc-maintenance-card {
    background: var(--mtc-glass);
    border: 1px solid var(--mtc-border);
    border-radius: 24px;
    padding: 35px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
    transition: all 0.4s ease;
}

.mtc-maintenance-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.mtc-maintenance-card.mtc-preventive {
    border-color: var(--mtc-green);
}

.mtc-maintenance-card.mtc-preventive:hover {
    box-shadow: 0 20px 50px rgba(40, 167, 69, 0.2);
}

.mtc-maintenance-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--mtc-green), var(--mtc-green-light));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mtc-white);
    font-size: 30px;
    margin-bottom: 20px;
    box-shadow: 0 0 30px rgba(40, 167, 69, 0.4);
}

.mtc-maintenance-icon.mtc-icon-orange {
    background: linear-gradient(135deg, var(--mtc-primary), var(--mtc-primary-light));
    box-shadow: var(--mtc-glow-primary);
}

.mtc-maintenance-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--mtc-green);
    color: var(--mtc-white);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 6px 12px;
    border-radius: 20px;
    letter-spacing: 0.5px;
}

.mtc-maintenance-title {
    font-family: var(--mtc-font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--mtc-white);
    margin-bottom: 10px;
}

.mtc-maintenance-desc {
    font-size: 14px;
    color: var(--mtc-gray);
    margin-bottom: 25px;
    line-height: 1.6;
}

.mtc-maintenance-list {
    list-style: none;
    padding: 0;
    margin: 0 0 25px;
}

.mtc-maintenance-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--mtc-border);
    font-size: 14px;
    color: var(--mtc-white);
}

.mtc-maintenance-list li:last-child {
    border-bottom: none;
}

.mtc-maintenance-list li i {
    color: var(--mtc-green);
    font-size: 14px;
}

.mtc-corrective .mtc-maintenance-list li i {
    color: var(--mtc-primary);
}

.mtc-maintenance-benefits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 25px;
}

.mtc-benefit-mini {
    background: var(--mtc-dark-lighter);
    border-radius: 12px;
    padding: 15px 10px;
    text-align: center;
}

.mtc-benefit-number {
    display: block;
    font-family: var(--mtc-font-heading);
    font-size: 24px;
    font-weight: 700;
    color: var(--mtc-green);
    line-height: 1;
}

.mtc-benefit-label {
    display: block;
    font-size: 11px;
    color: var(--mtc-gray);
    margin-top: 5px;
}

.mtc-maintenance-alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 15px;
    background: rgba(255, 85, 0, 0.1);
    border: 1px solid rgba(255, 85, 0, 0.3);
    border-radius: 12px;
    margin-bottom: 25px;
}

.mtc-maintenance-alert i {
    color: var(--mtc-primary);
    font-size: 18px;
    margin-top: 2px;
}

.mtc-maintenance-alert span {
    font-size: 13px;
    color: var(--mtc-gray);
    line-height: 1.5;
}

.mtc-maintenance-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 16px 24px;
    background: linear-gradient(135deg, var(--mtc-green), var(--mtc-green-light));
    border-radius: 14px;
    color: var(--mtc-white);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.mtc-maintenance-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(40, 167, 69, 0.4);
    color: var(--mtc-white);
}

.mtc-maintenance-btn.mtc-btn-orange {
    background: linear-gradient(135deg, var(--mtc-primary), var(--mtc-primary-light));
}

.mtc-maintenance-btn.mtc-btn-orange:hover {
    box-shadow: 0 10px 30px rgba(255, 85, 0, 0.4);
}

/* ========== SEÇÃO DE BENEFÍCIOS ========== */
.mtc-benefits-section {
    position: relative;
    z-index: 10;
    margin-bottom: 80px;
}

.mtc-benefits-header {
    text-align: center;
    margin-bottom: 40px;
}

.mtc-benefits-title {
    font-family: var(--mtc-font-heading);
    font-size: 32px;
    font-weight: 700;
    color: var(--mtc-white);
    margin: 0;
}

.mtc-benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.mtc-benefit-card {
    background: var(--mtc-glass);
    border: 1px solid var(--mtc-border);
    border-radius: 20px;
    padding: 30px 25px;
    text-align: center;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.mtc-benefit-card::before {
    content: '';
    position: absolute;
    top: -100%;
    left: -100%;
    width: 300%;
    height: 300%;
    background: linear-gradient(45deg, transparent 40%, rgba(255, 255, 255, 0.03) 50%, transparent 60%);
    transition: all 0.6s ease;
}

.mtc-benefit-card:hover::before {
    top: -50%;
    left: -50%;
}

.mtc-benefit-card:hover {
    transform: translateY(-10px);
    border-color: var(--mtc-primary);
    box-shadow: 0 20px 40px rgba(255, 85, 0, 0.2);
}

.mtc-benefit-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--mtc-primary), var(--mtc-primary-light));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mtc-white);
    font-size: 28px;
    position: relative;
}

.mtc-benefit-icon.mtc-icon-blue { background: linear-gradient(135deg, var(--mtc-secondary), var(--mtc-secondary-light)); }
.mtc-benefit-icon.mtc-icon-green { background: linear-gradient(135deg, var(--mtc-green), var(--mtc-green-light)); }
.mtc-benefit-icon.mtc-icon-purple { background: linear-gradient(135deg, var(--mtc-purple), #a78bfa); }

.mtc-benefit-glow {
    position: absolute;
    width: 100%;
    height: 100%;
    background: inherit;
    border-radius: inherit;
    filter: blur(15px);
    opacity: 0.5;
    z-index: -1;
}

.mtc-benefit-title {
    font-family: var(--mtc-font-heading);
    font-size: 18px;
    font-weight: 600;
    color: var(--mtc-white);
    margin-bottom: 10px;
}

.mtc-benefit-text {
    font-size: 14px;
    color: var(--mtc-gray);
    line-height: 1.5;
    margin-bottom: 15px;
}

.mtc-benefit-stat {
    padding: 12px;
    background: var(--mtc-dark-lighter);
    border-radius: 10px;
}

.mtc-stat-number {
    display: block;
    font-family: var(--mtc-font-heading);
    font-size: 28px;
    font-weight: 700;
    color: var(--mtc-primary);
    line-height: 1;
}

.mtc-stat-label {
    display: block;
    font-size: 12px;
    color: var(--mtc-gray);
    margin-top: 5px;
}

/* ========== SEÇÃO FAQ - WRAPPER COM FUNDO CLARO ========== */
.mtc-faq-wrapper {
    background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 50%, #f8f9fa 100%);
    padding: 20px 0;
    position: relative;
}

.mtc-faq-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--mtc-primary), var(--mtc-secondary), var(--mtc-green));
}

.mtc-faq-section {
    position: relative;
    z-index: 10;
    margin-bottom: 0;
}

/* Badge no tema claro */
.mtc-section-badge.mtc-badge-light {
    background: rgba(1, 15, 52, 0.08);
    border: 1px solid rgba(1, 15, 52, 0.15);
}

.mtc-section-badge.mtc-badge-light i {
    color: var(--mtc-primary);
}

.mtc-section-badge.mtc-badge-light span {
    color: var(--mtc-dark);
}

/* Título no tema claro */
.mtc-section-title.mtc-title-dark {
    color: var(--mtc-dark);
}

.mtc-section-title.mtc-title-dark span {
    color: var(--mtc-gray);
}

.mtc-section-subtitle.mtc-subtitle-dark {
    color: #5a6a7a;
}

/* FAQ Items no tema claro */
.mtc-faq-item.mtc-faq-item-light {
    background: #ffffff;
    border: 1px solid #e0e5eb;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

.mtc-faq-item.mtc-faq-item-light:hover {
    border-color: var(--mtc-primary);
    box-shadow: 0 5px 20px rgba(255, 85, 0, 0.1);
}

.mtc-faq-item.mtc-faq-item-light.active {
    border-color: var(--mtc-primary);
    box-shadow: 0 10px 30px rgba(255, 85, 0, 0.12);
}

.mtc-faq-item.mtc-faq-item-light .mtc-faq-question {
    color: var(--mtc-dark);
}

.mtc-faq-item.mtc-faq-item-light .mtc-faq-question i {
    color: var(--mtc-primary);
}

.mtc-faq-item.mtc-faq-item-light .mtc-faq-answer p {
    color: #5a6a7a;
}

.mtc-faq-item.mtc-faq-item-light .mtc-faq-answer ul li {
    color: #5a6a7a;
}

.mtc-faq-item.mtc-faq-item-light .mtc-faq-answer ul li::before {
    background: var(--mtc-primary);
}

.mtc-faq-item.mtc-faq-item-light .mtc-faq-answer strong {
    color: var(--mtc-primary);
}

/* CTA Wrapper - Retorna ao fundo escuro */
.mtc-cta-wrapper {
    background: linear-gradient(180deg, var(--mtc-dark) 0%, var(--mtc-dark-light) 100%);
    padding: 80px 0;
    position: relative;
}

.mtc-cta-wrapper .mtc-cta-section {
    margin-bottom: 0;
}

/* ========== SEÇÃO FAQ ORIGINAL (mantida para compatibilidade) ========== */
.mtc-faq-section {
    position: relative;
    z-index: 10;
    margin-bottom: 80px;
}

.mtc-faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.mtc-faq-item {
    background: var(--mtc-glass);
    border: 1px solid var(--mtc-border);
    border-radius: 16px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.mtc-faq-item:hover {
    border-color: var(--mtc-primary);
}

.mtc-faq-item.active {
    border-color: var(--mtc-primary);
    box-shadow: 0 10px 30px rgba(255, 85, 0, 0.15);
}

.mtc-faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 22px 25px;
    background: transparent;
    border: none;
    color: var(--mtc-white);
    font-family: var(--mtc-font-heading);
    font-size: 16px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mtc-faq-question span {
    flex: 1;
    padding-right: 15px;
}

.mtc-faq-question i {
    color: var(--mtc-primary);
    font-size: 14px;
    transition: transform 0.3s ease;
}

.mtc-faq-item.active .mtc-faq-question i {
    transform: rotate(180deg);
}

.mtc-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.mtc-faq-item.active .mtc-faq-answer {
    max-height: 500px;
    padding: 0 25px 25px;
}

.mtc-faq-answer p {
    color: var(--mtc-gray);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 15px;
}

.mtc-faq-answer p:last-child {
    margin-bottom: 0;
}

.mtc-faq-answer strong {
    color: var(--mtc-primary);
}

.mtc-faq-answer ul {
    list-style: none;
    padding: 0;
    margin: 0 0 15px;
}

.mtc-faq-answer ul li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
    color: var(--mtc-gray);
    font-size: 14px;
}

.mtc-faq-answer ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background: var(--mtc-primary);
    border-radius: 50%;
}

/* ========== CTA FINAL ========== */
.mtc-cta-section {
    position: relative;
    z-index: 10;
    background: linear-gradient(135deg, var(--mtc-dark-light), var(--mtc-dark-lighter));
    border: 1px solid var(--mtc-border);
    border-radius: 30px;
    padding: 50px;
    overflow: hidden;
}

.mtc-cta-content {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
}

.mtc-cta-title {
    font-family: var(--mtc-font-heading);
    font-size: 32px;
    font-weight: 700;
    color: var(--mtc-white);
    margin-bottom: 10px;
}

.mtc-cta-subtitle {
    font-size: 16px;
    color: var(--mtc-gray);
    margin: 0;
}

.mtc-cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.mtc-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 28px;
    border-radius: 14px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.mtc-btn-whatsapp {
    background: linear-gradient(135deg, var(--mtc-green), var(--mtc-green-light));
    color: var(--mtc-white);
    box-shadow: 0 10px 30px rgba(40, 167, 69, 0.3);
}

.mtc-btn-whatsapp:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(40, 167, 69, 0.4);
    color: var(--mtc-white);
}

.mtc-btn-phone {
    background: linear-gradient(135deg, var(--mtc-secondary), var(--mtc-secondary-light));
    color: var(--mtc-white);
    box-shadow: 0 10px 30px rgba(38, 147, 255, 0.3);
}

.mtc-btn-phone:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(38, 147, 255, 0.4);
    color: var(--mtc-white);
}

.mtc-cta-decoration {
    position: absolute;
    right: -50px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    gap: 20px;
}

.mtc-cta-circle {
    width: 150px;
    height: 150px;
    border: 2px solid var(--mtc-border);
    border-radius: 50%;
    opacity: 0.3;
}

.mtc-cta-circle:nth-child(2) { width: 200px; height: 200px; }
.mtc-cta-circle:nth-child(3) { width: 250px; height: 250px; }

/* ========== RESPONSIVO ========== */

/* Tablet Grande */
@media (max-width: 1200px) {
    .mtc-title { font-size: 42px; }
    .mtc-benefits-grid { grid-template-columns: repeat(2, 1fr); }
    .mtc-calculator-grid { grid-template-columns: 1fr; gap: 20px; }
    .mtc-calc-input-section { padding-right: 0; border-right: none; border-bottom: 1px solid var(--mtc-border); padding-bottom: 25px; }
}

/* Tablet */
@media (max-width: 991px) {
    .mtc-section { padding: 60px 0 80px; }
    .mtc-main-grid { grid-template-columns: 1fr; gap: 30px; }
    .mtc-title { font-size: 36px; }
    .mtc-device-visual { min-height: 350px; }
    .mtc-cta-content { flex-direction: column; text-align: center; }
    .mtc-cta-buttons { justify-content: center; }
    .mtc-cta-decoration { display: none; }
    .mtc-maintenance-grid { grid-template-columns: 1fr; }
    .mtc-section-title { font-size: 30px; }
    .mtc-faq-wrapper { padding: 60px 0; }
    .mtc-cta-wrapper { padding: 60px 0; }
}

/* Mobile Grande */
@media (max-width: 767px) {
    .mtc-section { padding: 30px 0 60px; }
    .mtc-header { margin-bottom: 40px; }
    .mtc-title { font-size: 28px; }
    .mtc-subtitle { font-size: 16px; }
    .mtc-badge { padding: 8px 18px; }
    .mtc-badge span { font-size: 12px; }
    .mtc-device-container, .mtc-diagnostic-card, .mtc-calculator-card { padding: 20px; border-radius: 20px; }
    .mtc-device-visual { min-height: 300px; }
    .mtc-hotspot { width: 35px; height: 35px; }
    .mtc-benefits-grid { grid-template-columns: 1fr; gap: 20px; }
    .mtc-benefit-card { padding: 25px 20px; }
    .mtc-benefits-title { font-size: 24px; }
    .mtc-cta-section { padding: 35px 25px; border-radius: 20px; }
    .mtc-cta-title { font-size: 24px; }
    .mtc-cta-buttons { flex-direction: column; width: 100%; }
    .mtc-cta-btn { justify-content: center; width: 100%; }
    .mtc-question-title { font-size: 16px; }
    .mtc-option { padding: 14px 16px; font-size: 14px; }
    .mtc-maintenance-card { padding: 25px; }
    .mtc-maintenance-benefits { grid-template-columns: repeat(3, 1fr); gap: 10px; }
    .mtc-benefit-number { font-size: 20px; }
    .mtc-faq-question { padding: 18px 20px; font-size: 15px; }
    .mtc-section-title { font-size: 26px; }
    .mtc-faq-wrapper { padding: 50px 0; }
    .mtc-cta-wrapper { padding: 50px 0; }
}

/* Mobile Pequeno */
@media (max-width: 480px) {
    .mtc-title { font-size: 24px; }
    .mtc-card-title { font-size: 18px; }
    .mtc-card-icon { width: 45px; height: 45px; font-size: 20px; }
    .mtc-result-value { font-size: 22px; }
    .mtc-calc-input { font-size: 20px; }
    .mtc-maintenance-benefits { grid-template-columns: 1fr 1fr 1fr; }
    .mtc-benefit-mini { padding: 12px 8px; }
    .mtc-benefit-number { font-size: 18px; }
    .mtc-benefit-label { font-size: 10px; }
}

/* ========== ANIMAÇÕES DE ENTRADA ========== */
@keyframes mtcSlideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.mtc-section .container > * {
    animation: mtcSlideUp 0.6s ease forwards;
}

.mtc-section .container > *:nth-child(1) { animation-delay: 0.1s; }
.mtc-section .container > *:nth-child(2) { animation-delay: 0.2s; }
.mtc-section .container > *:nth-child(3) { animation-delay: 0.3s; }
.mtc-section .container > *:nth-child(4) { animation-delay: 0.4s; }
.mtc-section .container > *:nth-child(5) { animation-delay: 0.5s; }