/* ===== COMPARADOR DE SILLAS ===== */
.chair-comparator {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 3rem;
}

.comparator-header {
    text-align: center;
    margin-bottom: 2rem;
}

.comparator-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.filter-group h4 {
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
    font-size: 1rem;
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-btn {
    padding: 0.75rem 1.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

.filter-btn:hover:not(.active) {
    background: var(--surface-hover);
    border-color: var(--primary-light);
}

.comparator-results {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.result-card.featured {
    border-left: 4px solid var(--primary);
    padding: 2rem;
}

.result-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.result-badge {
    background: var(--primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
}

.chair-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.feature i {
    color: var(--primary);
}

.chair-benefits ul {
    list-style: none;
    padding: 0;
}

.chair-benefits li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
}

.chair-benefits li:before {
    content: "✓";
    color: var(--success);
    margin-right: 0.75rem;
    font-weight: bold;
}

.result-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-light);
}

.price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.result-alternatives {
    padding: 2rem;
    background: var(--surface);
    border-top: 1px solid var(--border);
}

.alternative-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

.alternative-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

.alternative-card h6 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.alternative-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.alt-price {
    color: var(--primary);
    font-weight: 600;
    font-size: 1.125rem;
}

/* ===== TABLA DE MATERIALES ===== */
.materials-table {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin-bottom: 3rem;
}

.table-header {
    display: grid;
    grid-template-columns: 200px 1fr 1fr 1fr;
    background: var(--primary);
    color: white;
    padding: 1.5rem;
}

.table-cell {
    padding: 1rem;
}

.table-cell h4 {
    margin: 0;
    color: white;
}

.table-row {
    display: grid;
    grid-template-columns: 200px 1fr 1fr 1fr;
    border-bottom: 1px solid var(--border-light);
}

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

.table-row .category {
    background: var(--surface);
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}

.table-cell ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.table-cell li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.9rem;
}

.table-cell li:last-child {
    border-bottom: none;
}

.rating {
    color: var(--warning);
    font-size: 1.25rem;
}

.cost-tag {
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.875rem;
}

.cost-tag.low {
    background: var(--success-light);
    color: var(--success);
}

.cost-tag.medium {
    background: var(--warning-light);
    color: var(--warning);
}

.cost-tag.high {
    background: var(--danger-light);
    color: var(--danger);
}

/* ===== GUÍA DE MANTENIMIENTO ===== */
.maintenance-tips {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.tip-card {
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    border: 1px solid var(--border);
    display: flex;
    gap: 1rem;
}

.tip-icon {
    color: var(--primary);
    width: 3rem;
    height: 3rem;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.tip-content h4 {
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
}

.tip-content p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* ===== CALCULADORA ROI ===== */
.investment-calculator {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: var(--shadow-sm);
}

.calculator-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.input-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color 0.2s;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.calculator-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.result-item {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--border);
}

.result-item.highlight {
    background: var(--primary-light);
    border-color: var(--primary);
}

.result-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.result-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.result-item.highlight .result-value {
    color: var(--primary-dark);
}
/* ===== WIZARD DE SELECCIÓN PERSONALIZADA ===== */
.personalized-wizard {
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    border-radius: 24px;
    padding: 3rem;
    margin: 3rem 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.wizard-step {
    display: none;
}

.wizard-step.active {
    display: block;
    animation: fadeInUp 0.6s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.step-header {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid rgba(59, 130, 246, 0.1);
}

.step-number {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.step-title h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.75rem;
    color: #1e293b;
    background: linear-gradient(135deg, #ffffff, #83b6ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.step-subtitle {
    color: #64748b;
    font-size: 1.1rem;
    margin: 0;
}

/* Selector de perfiles */
.profile-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.profile-group {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    border: 2px solid #e2e8f0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.profile-group:hover {
    border-color: #3b82f6;
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
}

.profile-group:hover .group-header i {
    transform: scale(1.1);
}

.group-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #f1f5f9;
}

.group-header i {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.group-header h4 {
    margin: 0;
    font-size: 1.25rem;
    color: #1e293b;
}

.option-grid {
    display: grid;
    gap: 1rem;
}

.option-card {
    background: #f8fafc;
    border: 2px solid transparent;
    border-radius: 14px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.option-card:hover {
    background: white;
    border-color: #3b82f6;
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.15);
}

.option-card.selected {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(139, 92, 246, 0.05));
    border-color: #3b82f6;
    border-width: 2px;
}

.option-card.selected::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 40px;
    height: 40px;
    background: #3b82f6;
    border-radius: 0 14px 0 40px;
}

.option-card.selected::after {
    content: '✓';
    position: absolute;
    top: 8px;
    right: 8px;
    color: white;
    font-weight: bold;
    font-size: 0.875rem;
}

.option-card h5 {
    margin: 0 0 0.5rem 0;
    font-size: 1.125rem;
    color: #1e293b;
}

.option-card p {
    margin: 0;
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Resultados de la guía */
.wizard-results {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
    margin-top: 3rem;
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.result-header {
    background: linear-gradient(135deg, #1e293b, #334155);
    color: white;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

.result-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent);
    border-radius: 50%;
}

.recommendation-badge {
    background: linear-gradient(135deg, #f59e0b, #f97316);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
}

.result-header h3 {
    margin: 0 0 1rem 0;
    font-size: 2rem;
    color: white;
}

.recommendation-card {
    display: grid;
    grid-template-columns: 300px 1fr;
    min-height: 400px;
}

.recommendation-visual {
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    padding: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.chair-illustration {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.chair-illustration i {
    font-size: 5rem;
    color: white;
}

.recommendation-content {
    padding: 3rem;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: #e2e8f0;
    transform: translateX(5px);
}

.feature-item i {
    color: #3b82f6;
    font-size: 1.25rem;
}

.price-box {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    margin: 2rem 0;
}

.price-box .price {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0.5rem 0;
}

.price-box .period {
    color: #64748b;
    font-size: 0.875rem;
}

/* Alternativas */
.alternatives-section {
    background: #f8fafc;
    padding: 3rem;
    border-top: 2px solid #e2e8f0;
}

.alternatives-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.alternative-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    border: 2px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.alternative-card:hover {
    border-color: #3b82f6;
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
}

.alternative-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
}

.alternative-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.alternative-badge {
    background: #dcfce7;
    color: #166534;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.alternative-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: #3b82f6;
}

.alternative-description {
    color: #64748b;
    margin: 1rem 0;
    line-height: 1.6;
}

/* ===== COMPARADOR DE MATERIALES ELEGANTE ===== */
.materials-comparison {
    margin: 4rem 0;
}

.comparison-header {
    text-align: center;
    margin-bottom: 3rem;
}

.comparison-header h2 {
    font-size: 2.5rem;
    background: linear-gradient(135deg, #1e293b, #334155);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.material-card {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #e2e8f0;
    margin-top: 15px;
}

.material-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.15);
}

.material-header {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
    padding: 1.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.material-header::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.material-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.material-header h3 {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 700;
}

.material-content {
    padding: 2.5rem;
}


.pros-cons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.pros, .cons {
    padding: 1.5rem;
    border-radius: 16px;
}

.pros {
    background: #f0fdf4;
    border: 2px solid #bbf7d0;
}

.cons {
    background: #fef2f2;
    border: 2px solid #fecaca;
}

.pros h4, .cons h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 0 1rem 0;
    font-size: 1.125rem;
}

.pros h4 {
    color: #166534;
}

.cons h4 {
    color: #dc2626;
}

.pros ul, .cons ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pros li, .cons li {
    padding: 0.5rem 0;
    color: #374151;
    position: relative;
    padding-left: 1.5rem;
}

.pros li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #16a34a;
    font-weight: bold;
}

.cons li::before {
    content: '×';
    position: absolute;
    left: 0;
    color: #dc2626;
    font-weight: bold;
}

.material-stats {
    background: #f8fafc;
    border-radius: 16px;
    padding: 1rem;
    margin-top: 2rem;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid #e2e8f0;
}

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

.stat-label {
    color: #64748b;
    font-weight: 500;
}

.star-rating {
    color: #f59e0b;
    font-size: 1.25rem;
}

.price-indicator {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
}

.price-low {
    background: #dcfce7;
    color: #166534;
}

.price-medium {
    background: #fef3c7;
    color: #92400e;
}

.price-high {
    background: #fee2e2;
    color: #991b1b;
}

/* ===== CALCULADORA ROI MODERNA ===== */
.roi-calculator {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border-radius: 32px;
    padding: 4rem;
    color: white;
    margin: 4rem 0;
    position: relative;
    overflow: hidden;
}

.roi-calculator::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), transparent);
    border-radius: 50%;
}

.calculator-header {
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.calculator-header h2 {
    font-size: 2.5rem;
    margin: 0 0 1rem 0;
    background: linear-gradient(135deg, #60a5fa, #93c5fd);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.calculator-subtitle {
    color: #94a3b8;
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

.calculator-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    position: relative;
    z-index: 1;
}

.input-section {
    background: rgba(30, 41, 59, 0.7);
    border-radius: 24px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.input-group {
    margin-bottom: 2rem;
}

.input-group label {
    display: block;
    color: #000000;
    margin-bottom: 0.75rem;
    font-weight: 500;
}

.range-slider {
    width: 100%;
    height: 8px;
    background: #334155;
    border-radius: 4px;
    outline: none;
    margin: 1rem 0;
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    background: #3b82f6;
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.5);
}

.value-display {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #cbd5e1;
    font-size: 0.875rem;
}

.results-section {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 24px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.result-card {
    background: rgba(30, 41, 59, 0.7);
    border-radius: 20px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.result-card:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.5);
}

.result-label {
    display: block;
    color: #000000;
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.result-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: rgb(0, 0, 0);
    margin: 0.5rem 0;
}

.result-unit {
    color: #60a5fa;
    font-size: 0.875rem;
}

.highlight-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.3), rgba(139, 92, 246, 0.3));
    grid-column: span 2;
    border: 1px solid rgba(59, 130, 246, 0.5);
}

.roi-breakdown {
    background: rgba(30, 41, 59, 0.7);
    border-radius: 20px;
    padding: 1.5rem;
    margin-top: 2rem;
}

.breakdown-title {
    color: #cbd5e1;
    margin: 0 0 1rem 0;
    font-size: 1.125rem;
}

.breakdown-bar {
    height: 12px;
    background: #334155;
    border-radius: 6px;
    margin: 1rem 0;
    overflow: hidden;
}

.bar-segment {
    height: 100%;
    float: left;
    transition: width 1s ease-out;
}

.segment-investment {
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
}

.segment-roi {
    background: linear-gradient(135deg, #10b981, #34d399);
}

.breakdown-labels {
    display: flex;
    justify-content: space-between;
    color: #94a3b8;
    font-size: 0.875rem;
}

/* Botones de acción */
.action-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Responsive */
@media (max-width: 768px) {
    .personalized-wizard,
    .roi-calculator {
        padding: 2rem;
    }
    
    .recommendation-card,
    .calculator-body {
        grid-template-columns: 1fr;
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .pros-cons {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

/* Estados y transiciones */
.option-card {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.option-card.selected {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.05));
    border-color: #3b82f6;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.2);
}

.wizard-actions {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid #f1f5f9;
}

.wizard-actions .hint {
    color: #64748b;
    font-size: 0.9rem;
    margin-top: 1rem;
}

.btn-primary:disabled,
.btn-primary.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* Resultados */
.result-summary {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0 3rem;
    flex-wrap: wrap;
}

.summary-item {
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 1.5rem;
    min-width: 200px;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.summary-item:hover {
    border-color: #3b82f6;
    transform: translateY(-5px);
}

.summary-item i {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.summary-item .label {
    display: block;
    color: #64748b;
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.summary-item .value {
    display: block;
    color: #1e293b;
    font-weight: 600;
    font-size: 1.125rem;
}

.recommendation-badge {
    background: linear-gradient(135deg, #f59e0b, #f97316);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

.chair-visual {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    border-radius: 20px;
}

.chair-icon {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
}

.chair-name h4 {
    margin: 0 0 0.5rem 0;
    font-size: 2rem;
    background: linear-gradient(135deg, #1e293b, #334155);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.chair-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tag {
    background: #e2e8f0;
    color: #475569;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

.tag.highlight {
    background: #dcfce7;
    color: #166534;
}

/* Animación de transición entre pasos */
.wizard-step {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .result-summary {
        flex-direction: column;
        align-items: stretch;
    }
    
    .chair-visual {
        flex-direction: column;
        text-align: center;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .action-buttons .btn {
        width: 100%;
        justify-content: center;
    }
}
/* ===== VARIABLES PARA MODO CLARO/OSCURO ===== */
:root {
    /* Colores base */
    --white: #ffffff;
    --black: #000000;
    
    /* Modo claro (default) */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-card: #ffffff;
    --bg-surface: #f1f5f9;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-tertiary: #94a3b8;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Colores semánticos */
    --primary: #3b82f6;
    --primary-light: #60a5fa;
    --primary-dark: #1d4ed8;
    --primary-gradient: linear-gradient(135deg, #3b82f6, #8b5cf6);
    --success: #10b981;
    --success-light: #a7f3d0;
    --warning: #f59e0b;
    --warning-light: #fde68a;
    --danger: #ef4444;
    --danger-light: #fecaca;
}

body.dark-mode {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --bg-surface: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --border: #475569;
    --border-light: #334155;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);
    --primary-gradient: linear-gradient(135deg, #60a5fa, #a78bfa);
}

/* ===== COMPONENTES REUTILIZABLES ===== */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

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

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-secondary);
    transform: translateY(-2px);
}

/* ===== COMPARADOR DE SILLAS (SIMPLIFICADO) ===== */
.chair-comparator {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: 2rem;
    margin: 3rem 0;
    box-shadow: var(--shadow-md);
}

.comparator-filters {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.filter-btn {
    padding: 0.75rem 1.25rem;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

.filter-btn:hover:not(.active) {
    background: var(--bg-secondary);
    border-color: var(--primary-light);
}

.comparator-results {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-top: 2rem;
}

.result-card.featured {
    border-left: 4px solid var(--primary);
    padding: 2rem;
    background: var(--bg-card);
}

.chair-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
}

.feature i {
    color: var(--primary);
}

.chair-benefits ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.chair-benefits li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    color: var(--text-primary);
}

.chair-benefits li:before {
    content: "✓";
    color: var(--success);
    margin-right: 0.75rem;
    font-weight: bold;
}

.price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

/* ===== GUÍA DE MANTENIMIENTO ===== */
.maintenance-guide {
    margin: 3rem 0;
}

.maintenance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.maintenance-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: 2rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.maintenance-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.maintenance-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    background: var(--primary-gradient);
    color: var(--white);
}

.material-title {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0 0 1rem 0;
}

.tip-content {
    margin-top: 1rem;
}

.tip-content p {
    margin: 0.5rem 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.tip-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Específico para cada material */
.maintenance-card:nth-child(1) .maintenance-icon {
    background: linear-gradient(135deg, #0ea5e9, #38bdf8);
}

.maintenance-card:nth-child(2) .maintenance-icon {
    background: linear-gradient(135deg, #f59e0b, #fbbf24);
}

.maintenance-card:nth-child(3) .maintenance-icon {
    background: linear-gradient(135deg, #10b981, #34d399);
}

/* ===== CALCULADORA ROI ===== */
.investment-calculator {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    margin: 3rem 0;
    box-shadow: var(--shadow-md);
}

body.dark-mode .investment-calculator {
    background: linear-gradient(135deg, #1e293b, #334155);
}

.calculator-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.input-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 1rem;
    color: var(--text-primary);
    transition: all 0.2s;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.calculator-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.result-item {
    background: var(--bg-surface);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border);
}

.result-item.highlight {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.result-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 0.5rem;
}

.result-item.highlight .result-label {
    color: rgba(255, 255, 255, 0.9);
}

.result-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.result-item.highlight .result-value {
    color: var(--white);
}

/* ===== TABLA DE MATERIALES ===== */
.materials-table {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin: 3rem 0;
}

.table-header {
    display: grid;
    grid-template-columns: 200px 1fr 1fr 1fr;
    background: var(--primary-gradient);
    color: var(--white);
    padding: 1.5rem;
}

.table-cell {
    padding: 1rem;
    color: var(--text-primary);
}

.table-row {
    display: grid;
    grid-template-columns: 200px 1fr 1fr 1fr;
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
}

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

.table-cell ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.table-cell li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
}

.rating {
    color: var(--warning);
    font-size: 1.25rem;
}

/* ===== WIZARD DE SELECCIÓN PERSONALIZADA ===== */
.personalized-wizard {
    background: var(--bg-card);
    border-radius: var(--radius-2xl);
    padding: 3rem;
    margin: 3rem 0;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

.wizard-step {
    display: none;
}

.wizard-step.active {
    display: block;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.step-header {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.step-number {
    background: var(--primary-gradient);
    color: var(--white);
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.step-title h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.75rem;
    color: var(--text-primary);
}

.step-subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin: 0;
}

.profile-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.profile-group {
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

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

.option-grid {
    display: grid;
    gap: 1rem;
}

.option-card {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.option-card:hover {
    border-color: var(--primary-light);
    background: var(--bg-surface);
}

.option-card.selected {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

.option-card h5 {
    margin: 0 0 0.5rem 0;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.option-card p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .chair-comparator,
    .personalized-wizard,
    .investment-calculator {
        padding: 1.5rem;
    }
    
    .comparator-filters,
    .maintenance-grid,
    .profile-selector {
        grid-template-columns: 1fr;
    }
    
    .step-header {
        flex-direction: column;
        gap: 1rem;
    }
    
    .step-number {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }
    
    .materials-table,
    .table-header,
    .table-row {
        display: block;
    }
    
    .table-cell {
        display: block;
        padding: 0.75rem;
    }
    
    .calculator-results {
        grid-template-columns: 1fr;
    }
}
/* MODO OSCURO PARA MATERIAL CARD */
body.dark-mode .material-card {
    background: var(--bg-card);
    border-color: var(--border);
}

body.dark-mode .material-header {
    background: linear-gradient(135deg, #1e3a8a, #1e1b4b);
    color: var(--white);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    position: relative;
    overflow: hidden;
}

body.dark-mode .material-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(0, 0, 0, 0.4) 0%, 
        rgba(0, 0, 0, 0.2) 50%, 
        rgba(0, 0, 0, 0.4) 100%);
    pointer-events: none;
}

body.dark-mode .material-header h3 {
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.8);
    position: relative;
    z-index: 1;
}

body.dark-mode .material-header .material-icon {
    filter: brightness(1.1);
    text-shadow: 0 2px 10px rgba(255, 255, 255, 0.3);
    position: relative;
    z-index: 1;
}

body.dark-mode .material-header::after {
    background: rgba(255, 255, 255, 0.1);
}

body.dark-mode .material-content {
    background: var(--bg-card);
}

body.dark-mode .pros {
    background: rgba(16, 185, 129, 0.1);
    border: 2px solid rgba(16, 185, 129, 0.3);
}

body.dark-mode .pros h4 {
    color: #34d399;
}

body.dark-mode .pros li {
    color: var(--text-primary);
}

body.dark-mode .pros li::before {
    color: #34d399;
}

body.dark-mode .cons {
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid rgba(239, 68, 68, 0.3);
}

body.dark-mode .cons h4 {
    color: #f87171;
}

body.dark-mode .cons li {
    color: var(--text-primary);
}

body.dark-mode .cons li::before {
    color: #f87171;
}

body.dark-mode .material-stats {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
}

body.dark-mode .stat-row {
    border-bottom: 1px solid var(--border);
}

body.dark-mode .stat-label {
    color: var(--text-secondary);
}

body.dark-mode .price-low {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

body.dark-mode .price-medium {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
}

body.dark-mode .price-high {
    background: rgba(239, 68, 68, 0.2);
    color: #f87171;
}

/* Asegurar que todo el texto dentro sea legible */
body.dark-mode .material-card * {
    color: inherit;
}

/* ===== ESTILOS PARA ARTÍCULO DE CASOS DE ÉXITO ===== */

/* Variables para el artículo */
:root {
    --success-green: #10b981;
    --success-light: #a7f3d0;
    --success-dark: #059669;
    --case-blue: #3b82f6;
    --case-purple: #8b5cf6;
    --case-orange: #f59e0b;
    --case-teal: #0d9488;
}

/* Contenedor del artículo */
.blog-article-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.article-header {
    margin-bottom: 3rem;
}

.article-category.category-implementacion {
    background: linear-gradient(135deg, var(--case-purple), var(--case-blue));
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 2rem;
    display: inline-block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.article-title {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #1e293b;
    font-weight: 800;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1.5rem 0;
    border-bottom: 2px solid #e2e8f0;
}

.author-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--case-blue), var(--case-purple));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.author-details {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 700;
    color: #1e293b;
}

.author-role {
    color: #64748b;
    font-size: 0.9rem;
}

.article-stats {
    display: flex;
    gap: 1.5rem;
}

.stat {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #64748b;
    font-size: 0.9rem;
}

.stat i {
    color: var(--case-blue);
}

.article-featured-image {
    margin-top: 2rem;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.article-featured-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.image-caption {
    padding: 1rem;
    background: #f8fafc;
    color: #64748b;
    font-style: italic;
    text-align: center;
    border-top: 1px solid #e2e8f0;
}

/* Secciones del artículo */
.article-section {
    margin: 3rem 0;
}

.section-title {
    font-size: 2rem;
    color: #1e293b;
    margin-bottom: 2rem;
    padding-bottom: 0.5rem;
    border-bottom: 3px solid var(--success-green);
    display: inline-block;
}

/* Tarjeta de caso de éxito */
.success-case-card {
    background: white;
    border-radius: 1.5rem;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
    margin: 2.5rem 0;
    border: 1px solid #e2e8f0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.success-case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.12);
}

.case-header {
    background: linear-gradient(135deg, var(--case-blue), var(--case-purple));
    color: white;
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    position: relative;
    overflow: hidden;
}

.case-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent);
    border-radius: 50%;
}

.company-logo {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.company-info h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.8rem;
    font-weight: 700;
}

.company-details {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.9rem;
    opacity: 0.9;
}

.case-badge {
    margin-left: auto;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1.5rem;
    border-radius: 2rem;
    font-weight: 600;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Contenido del caso */
.case-content {
    padding: 2.5rem;
}

.case-challenge {
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
    padding: 1.5rem;
    border-radius: 1rem;
    margin-bottom: 2rem;
    border-left: 4px solid #ef4444;
}

.case-challenge h4 {
    margin: 0 0 1rem 0;
    color: #dc2626;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.case-solution {
    margin-bottom: 2rem;
}

.solution-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.solution-step {
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 1rem;
    padding: 1.5rem;
    position: relative;
    transition: all 0.3s ease;
}

.solution-step:hover {
    border-color: var(--case-blue);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.1);
}

.step-number {
    position: absolute;
    top: -15px;
    left: -15px;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--case-blue), var(--case-purple));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.step-content h5 {
    margin: 0 0 0.5rem 0;
    color: #1e293b;
    font-size: 1.1rem;
}

.step-content p {
    margin: 0;
    color: #64748b;
    font-size: 0.9rem;
}

/* Resultados */
.case-results {
    margin: 2.5rem 0;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.result-item {
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    border: 2px solid #e2e8f0;
    transition: all 0.3s ease;
}

.result-item.positive {
    border-color: var(--success-light);
}

.result-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.result-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.result-item.positive .result-icon {
    color: var(--success-green);
}

.result-value {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0.5rem 0;
    background: linear-gradient(135deg, var(--case-blue), var(--case-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.result-item.positive .result-value {
    background: linear-gradient(135deg, var(--success-green), var(--case-teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* Testimonial */
.case-testimonial {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border-radius: 1rem;
    padding: 2rem;
    margin: 2.5rem 0;
    border-left: 4px solid var(--case-blue);
    position: relative;
}

.case-testimonial::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 4rem;
    color: rgba(59, 130, 246, 0.2);
    font-family: serif;
}

.testimonial-content {
    position: relative;
    z-index: 1;
}

.testimonial-text {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #1e293b;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-author {
    text-align: right;
}

.testimonial-author strong {
    color: #1e293b;
    display: block;
}

.testimonial-author span {
    color: #64748b;
    font-size: 0.9rem;
}

/* ROI */
.case-roi {
    background: linear-gradient(135deg, #1e293b, #334155);
    color: white;
    padding: 2rem;
    border-radius: 0 0 1.5rem 1.5rem;
}

.roi-breakdown {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.roi-item {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.roi-item.highlight {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.3), rgba(139, 92, 246, 0.3));
    border-color: rgba(59, 130, 246, 0.5);
}

.roi-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    margin-top: 0.5rem;
    color: white;
}

.roi-item.highlight .roi-value {
    color: #60a5fa;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.feature-card {
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--case-orange);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(245, 158, 11, 0.1);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--case-orange), #f97316);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.feature-card h4 {
    margin: 0 0 0.5rem 0;
    color: #1e293b;
}

.feature-card p {
    margin: 0;
    color: #64748b;
    font-size: 0.9rem;
}

/* Timeline de resultados */
.results-timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.timeline-step {
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 1rem;
    padding: 1.5rem;
    position: relative;
    transition: all 0.3s ease;
}

.timeline-step:hover {
    border-color: var(--success-green);
    transform: translateY(-5px);
}

.step-period {
    background: var(--success-green);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 1rem;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: inline-block;
}

.step-content h5 {
    margin: 0 0 0.5rem 0;
    color: #1e293b;
}

.step-content p {
    margin: 0;
    color: #64748b;
    font-size: 0.9rem;
}

/* Implementation Phases */
.implementation-phases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.phase {
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 1rem;
    padding: 1.5rem;
    position: relative;
    transition: all 0.3s ease;
}

.phase:hover {
    border-color: var(--case-teal);
    transform: translateY(-5px);
}

.phase-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.phase-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--case-teal), #14b8a6);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.phase-title h5 {
    margin: 0;
    color: #1e293b;
}

.phase-content p {
    margin: 0;
    color: #64748b;
    line-height: 1.6;
}

.phase-content strong {
    color: #1e293b;
}

/* Phase Results */
.phase-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.phase-result {
    text-align: center;
}

.result-chart {
    height: 200px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    margin-bottom: 1rem;
}

.chart-bar {
    width: 60px;
    border-radius: 0.5rem 0.5rem 0 0;
    position: relative;
    transition: height 1.5s ease-out;
    animation: barGrow 1.5s ease-out;
}

@keyframes barGrow {
    from { height: 0%; }
    to { height: var(--target-height); }
}

.chart-value {
    position: absolute;
    top: -30px;
    left: 0;
    right: 0;
    text-align: center;
    font-weight: 700;
    font-size: 1.2rem;
    color: #1e293b;
}

.result-info h6 {
    margin: 0.5rem 0;
    color: #1e293b;
}

.result-info p {
    margin: 0;
    color: #64748b;
    font-size: 0.9rem;
}

/* Impact Metrics */
.case-impact, .case-savings {
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    padding: 2rem;
    border-radius: 1rem;
    margin-top: 2rem;
}

.impact-metrics, .savings-breakdown {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.metric, .saving-item {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 1rem;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.metric:hover, .saving-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.metric-value, .saving-amount {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0.5rem 0;
    background: linear-gradient(135deg, var(--case-blue), var(--case-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.metric-label, .saving-label {
    color: #64748b;
    font-size: 0.9rem;
}

.saving-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: left;
}

.saving-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--success-green), var(--case-teal));
    color: white;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* Lecciones Aprendidas */
.lessons-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.lesson-card {
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    border: 2px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.lesson-card:hover {
    border-color: var(--case-blue);
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(59, 130, 246, 0.1);
}

.lesson-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(135deg, var(--case-blue), var(--case-purple));
}

.lesson-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.lesson-number {
    font-size: 2rem;
    font-weight: 800;
    color: #cbd5e1;
}

.lesson-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--case-blue), var(--case-purple));
    color: white;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.lesson-content h4 {
    margin: 0 0 1rem 0;
    color: #1e293b;
    font-size: 1.25rem;
}

.lesson-content p {
    margin: 0;
    color: #64748b;
    line-height: 1.6;
}

/* ROI Calculator */
.roi-calculator {
    background: linear-gradient(135deg, #f8fafc, #f1f5f9);
    border-radius: 1.5rem;
    padding: 2.5rem;
    margin: 3rem 0;
    border: 2px solid #e2e8f0;
}

.roi-header {
    text-align: center;
    margin-bottom: 2rem;
}

.roi-header h3 {
    margin: 0 0 0.5rem 0;
    color: #1e293b;
    font-size: 1.8rem;
}

.roi-header p {
    margin: 0;
    color: #64748b;
}

.roi-inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.input-group {
    margin-bottom: 1rem;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #1e293b;
    font-weight: 500;
}

.input-group select,
.input-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 0.75rem;
    font-size: 1rem;
    background: white;
    transition: all 0.3s ease;
}

.input-group select:focus,
.input-group input:focus {
    outline: none;
    border-color: var(--case-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-group input[type="range"] {
    height: 8px;
    -webkit-appearance: none;
    background: #e2e8f0;
    border-radius: 4px;
    margin: 0.5rem 0;
}

.input-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    background: var(--case-blue);
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid white;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.roi-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.roi-result {
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.roi-result.highlight {
    background: linear-gradient(135deg, var(--case-blue), var(--case-purple));
    border-color: transparent;
    color: white;
}

.roi-result:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.result-label {
    display: block;
    color: #64748b;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.roi-result.highlight .result-label {
    color: rgba(255, 255, 255, 0.9);
}

.result-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: #1e293b;
}

.roi-result.highlight .result-value {
    color: white;
}

.roi-note {
    text-align: center;
    color: #64748b;
    font-size: 0.9rem;
    padding-top: 1.5rem;
    border-top: 1px solid #e2e8f0;
}

/* Conclusión y Fórmula del Éxito */
.success-formula {
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border-radius: 1.5rem;
    padding: 2.5rem;
    margin: 2.5rem 0;
}

.success-formula h3 {
    text-align: center;
    margin-bottom: 2rem;
    color: #1e293b;
}

.formula-elements {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.formula-item {
    text-align: center;
    background: white;
    border-radius: 1rem;
    padding: 1.5rem;
    width: 180px;
    border: 2px solid #e2e8f0;
}

.formula-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--case-blue), var(--case-purple));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.formula-item h4 {
    margin: 0 0 0.5rem 0;
    color: #1e293b;
    font-size: 1.1rem;
}

.formula-item p {
    margin: 0;
    color: #64748b;
    font-size: 0.9rem;
}

.formula-plus, .formula-equals {
    font-size: 1.5rem;
    color: var(--case-blue);
    font-weight: 700;
}

.formula-result {
    text-align: center;
    background: linear-gradient(135deg, var(--success-green), var(--case-teal));
    border-radius: 1rem;
    padding: 1.5rem;
    width: 200px;
    color: white;
}

.formula-result .result-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.formula-result h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1.2rem;
}

.formula-result p {
    margin: 0;
    opacity: 0.9;
}

/* CTA Box */
.cta-box {
    background: linear-gradient(135deg, #1e293b, #334155);
    color: white;
    border-radius: 1.5rem;
    padding: 3rem;
    text-align: center;
    margin-top: 3rem;
}

.cta-box h3 {
    margin: 0 0 1rem 0;
    font-size: 1.8rem;
}

.cta-box p {
    margin: 0 0 2rem 0;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--case-blue), var(--case-purple));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* Footer del artículo */
.article-footer {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid #e2e8f0;
}

.share-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.share-label {
    color: #64748b;
    font-weight: 500;
}

.share-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: none;
    color: white;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.facebook { background: #1877f2; }
.twitter { background: #1da1f2; }
.linkedin { background: #0077b5; }
.whatsapp { background: #25d366; }
.copy-link { background: #6b7280; }

/* Responsive */
@media (max-width: 768px) {
    .article-title {
        font-size: 2rem;
    }
    
    .article-meta {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .case-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .case-badge {
        margin-left: 0;
        margin-top: 1rem;
    }
    
    .company-details {
        justify-content: center;
    }
    
    .formula-elements {
        flex-direction: column;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .share-buttons {
        justify-content: center;
    }
}