/* ==========================================
   CLAVI AI外観検査 診断ツール - スタイルシート
   ========================================== */

/* CSS Variables */
:root {
    /* Primary Colors */
    --primary-color: #10b981;
    --primary-dark: #059669;
    --primary-light: #34d399;
    --primary-bg: #ecfdf5;
    
    /* Secondary Colors */
    --secondary-color: #3b82f6;
    --secondary-dark: #2563eb;
    
    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* Status Colors */
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #3b82f6;
    
    /* Grade Colors */
    --grade-a: #10b981;
    --grade-b: #22c55e;
    --grade-c: #eab308;
    --grade-d: #ef4444;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

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

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

body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    min-height: 100vh;
}

/* App Container */
.app-container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    min-height: 100vh;
    box-shadow: var(--shadow-xl);
}

/* Header */
.header {
    background: var(--primary-color);
    color: white;
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.logo-sub {
    font-size: 0.875rem;
    opacity: 0.9;
}

.header-badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    backdrop-filter: blur(4px);
}

/* Progress Bar */
.progress-container {
    padding: 1.5rem 2rem;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.progress-bar {
    height: 6px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    width: 20%;
    transition: width var(--transition-normal);
    border-radius: var(--radius-full);
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.progress-step:hover {
    transform: translateY(-2px);
}

.step-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gray-200);
    color: var(--gray-500);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all var(--transition-normal);
}

.progress-step.active .step-circle,
.progress-step.completed .step-circle {
    background: var(--primary-color);
    color: white;
}

.progress-step.completed .step-circle {
    background: var(--primary-dark);
}

.step-label {
    font-size: 0.75rem;
    color: var(--gray-500);
    text-align: center;
    transition: color var(--transition-fast);
}

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

/* Main Content */
.main-content {
    padding: 2rem;
    min-height: calc(100vh - 300px);
}

/* Step Sections */
.step-section {
    display: none;
    animation: fadeIn var(--transition-normal);
}

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

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

/* Section Header */
.section-header {
    margin-bottom: 2rem;
}

.section-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 0.5rem;
}

.section-description {
    color: var(--gray-600);
    font-size: 0.9375rem;
}

/* Form Styles */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.form-group {
    background: var(--gray-50);
    padding: 1.25rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: all var(--transition-fast);
}

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

.form-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.75rem;
    cursor: pointer;
}

.form-checkbox {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

.input-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-input,
.form-select {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    background: white;
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.form-select {
    cursor: pointer;
}

.input-unit {
    color: var(--gray-500);
    font-size: 0.875rem;
    min-width: 60px;
}

.input-hint {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* Scoring Info */
.scoring-info {
    margin-top: 2rem;
}

.info-card {
    background: linear-gradient(135deg, var(--primary-bg), #d1fae5);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary-color);
}

.info-card h4 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--primary-dark);
}

.info-card p {
    margin-bottom: 0.75rem;
    color: var(--gray-700);
}

.info-card ul {
    list-style: none;
    margin-left: 0.5rem;
}

.info-card li {
    padding: 0.25rem 0;
    color: var(--gray-600);
}

/* Step Footer */
.step-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    margin-top: 2rem;
    border-top: 1px solid var(--gray-200);
    flex-wrap: wrap;
    gap: 1rem;
}

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

.step-actions {
    display: flex;
    gap: 1rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: inherit;
}

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

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--gray-300);
}

.btn-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 1rem 2rem;
    font-size: 1.125rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* Result Section (Step 3) */
.result-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

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

.result-left {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.result-grade-card {
    background: linear-gradient(135deg, var(--gray-800), var(--gray-700));
    color: white;
    padding: 2rem;
    border-radius: var(--radius-xl);
    text-align: center;
}

.grade-label {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-bottom: 0.5rem;
}

.grade-letter {
    font-size: 5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.grade-text {
    font-size: 1.25rem;
    opacity: 0.9;
}

.score-display {
    background: var(--primary-bg);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
    border: 2px solid var(--primary-color);
}

.score-label {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

.score-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.result-right {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.score-chart-container {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto;
}

.chart-center-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.chart-score {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.chart-label {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-500);
}

.score-legend {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--gray-600);
}

.legend-bar {
    width: 24px;
    height: 8px;
    border-radius: var(--radius-sm);
}

/* Bottleneck Section */
.bottleneck-section {
    background: #fef2f2;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
    border-left: 4px solid var(--error-color);
}

.bottleneck-section h3 {
    font-size: 1rem;
    color: var(--gray-800);
    margin-bottom: 1rem;
}

.bottleneck-list {
    list-style: none;
}

.bottleneck-list li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-700);
}

.warning-icon {
    font-size: 1rem;
}

/* Recommendation Section */
.recommendation-section {
    margin-bottom: 2rem;
}

.recommendation-section h3 {
    font-size: 1rem;
    color: var(--gray-800);
    margin-bottom: 1rem;
}

.recommendation-card {
    background: linear-gradient(135deg, #f0fdf4, #dcfce7);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--success-color);
}

.recommendation-card p {
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.recommendation-card p:last-child {
    margin-bottom: 0;
}

/* Cost Calculator (Step 4) */
.cost-calculator {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.cost-section {
    background: var(--gray-50);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.cost-section h3 {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--gray-800);
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--primary-color);
}

.cost-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.cost-form .form-group {
    background: white;
}

/* Cost Result Container */
.cost-result-container {
    background: linear-gradient(135deg, var(--gray-800), var(--gray-700));
    padding: 2rem;
    border-radius: var(--radius-xl);
    color: white;
    margin-bottom: 2rem;
}

.cost-comparison {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.cost-box {
    text-align: center;
    padding: 1.5rem 2rem;
    border-radius: var(--radius-lg);
    min-width: 180px;
}

.cost-box.current {
    background: rgba(255, 255, 255, 0.1);
}

.cost-box.ai {
    background: rgba(16, 185, 129, 0.2);
    border: 2px solid var(--primary-color);
}

.cost-box h4 {
    font-size: 0.875rem;
    opacity: 0.8;
    margin-bottom: 0.5rem;
}

.cost-amount {
    font-size: 1.5rem;
    font-weight: 700;
}

.cost-arrow {
    font-size: 2rem;
    opacity: 0.5;
}

.savings-box {
    text-align: center;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    padding: 1.5rem;
    border-radius: var(--radius-lg);
}

.savings-box h4 {
    font-size: 0.875rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

.savings-amount {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.savings-annual {
    font-size: 0.875rem;
    opacity: 0.8;
}

/* Chart Container */
.chart-container {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    margin-bottom: 2rem;
}

.chart-container h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--gray-800);
}

.chart-container canvas {
    max-height: 300px;
}

/* Sensitivity Analysis */
.sensitivity-analysis {
    background: var(--gray-50);
    padding: 2rem;
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
}

.sensitivity-analysis h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    color: var(--gray-800);
}

.sensitivity-description {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
}

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

.slider-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.slider-group label {
    font-weight: 500;
    color: var(--gray-700);
}

.slider {
    -webkit-appearance: none;
    width: 100%;
    height: 8px;
    border-radius: var(--radius-full);
    background: var(--gray-300);
    outline: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.simulation-result {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-md);
    border-left: 4px solid var(--info-color);
}

.simulation-result h4 {
    font-size: 0.875rem;
    color: var(--info-color);
    margin-bottom: 0.5rem;
}

/* Annual Projection (Step 5) */
.annual-projection {
    margin-bottom: 3rem;
}

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

.projection-card {
    background: var(--gray-50);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.projection-card.highlight {
    background: linear-gradient(135deg, var(--primary-bg), #d1fae5);
    border-color: var(--primary-color);
}

.projection-label {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

.projection-value {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.projection-card small {
    color: var(--gray-500);
    font-size: 0.75rem;
}

/* Breakdown Section */
.breakdown-section {
    background: var(--gray-50);
    padding: 2rem;
    border-radius: var(--radius-lg);
    margin-top: 2rem;
}

.breakdown-section h3 {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--gray-800);
}

.breakdown-chart-container {
    max-width: 200px;
    margin: 0 auto 1.5rem;
}

.breakdown-legend {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.breakdown-item {
    display: grid;
    grid-template-columns: 16px 120px 50px 1fr;
    gap: 0.75rem;
    align-items: center;
}

.breakdown-color {
    width: 16px;
    height: 16px;
    border-radius: 4px;
}

.breakdown-label {
    font-weight: 500;
    color: var(--gray-700);
}

.breakdown-percent {
    font-weight: 600;
    color: var(--gray-800);
}

.breakdown-item small {
    color: var(--gray-500);
    font-size: 0.75rem;
}

/* Value Section */
.value-section {
    margin-bottom: 3rem;
}

.value-section h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--gray-800);
}

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

.value-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.value-card h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--gray-800);
}

.value-card ul {
    list-style: none;
}

.value-card > ul > li {
    padding: 0.5rem 0;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
}

.value-card > ul > li:last-child {
    border-bottom: none;
}

.kpi-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.kpi-item {
    padding: 1rem;
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

.kpi-item h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--gray-800);
}

.kpi-item p {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

.kpi-item ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.kpi-item li {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* Case Study Section */
.case-study-section {
    margin-bottom: 3rem;
}

.case-study-section h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--gray-800);
}

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

.case-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.case-card h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--gray-800);
}

.case-card p {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

.case-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.875rem;
}

.case-table th,
.case-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.case-table th {
    background: var(--gray-50);
    font-weight: 600;
    color: var(--gray-700);
}

.case-table td {
    color: var(--gray-600);
}

.case-note {
    font-size: 0.75rem;
    color: var(--primary-color);
    font-style: italic;
    margin-top: 1rem;
}

/* Next Step Section */
.next-step-section {
    background: linear-gradient(135deg, var(--primary-bg), #d1fae5);
    padding: 2rem;
    border-radius: var(--radius-xl);
    margin-bottom: 3rem;
}

.next-step-section h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--gray-800);
}

.next-step-description {
    color: var(--gray-600);
    margin-bottom: 2rem;
}

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

.next-step-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.next-step-card h3 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--gray-800);
}

.next-step-card ul,
.next-step-card ol {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-left: 1rem;
}

.next-step-card li {
    padding: 0.25rem 0;
}

.time-cost-info {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.info-item {
    background: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--gray-700);
    box-shadow: var(--shadow-sm);
}

/* CTA Section */
.cta-section {
    text-align: center;
    margin-bottom: 3rem;
}

.cta-section h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--gray-800);
}

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

.cta-card {
    background: var(--gray-50);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
}

.cta-card h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--gray-800);
}

.cta-card p {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 0.75rem;
}

.cta-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.cta-link:hover {
    text-decoration: underline;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-input {
    padding: 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-family: inherit;
}

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

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

.cta-note {
    font-size: 0.75rem;
    color: var(--gray-500);
    margin-top: 1rem;
}

/* FAQ Section */
.faq-section {
    margin-bottom: 3rem;
}

.faq-section h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--gray-800);
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem;
    cursor: pointer;
    font-weight: 500;
    color: var(--gray-800);
    transition: background var(--transition-fast);
}

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

.faq-toggle {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: transform var(--transition-fast);
}

.faq-item.open .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    display: none;
    padding: 0 1.25rem 1.25rem;
    color: var(--gray-600);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.faq-item.open .faq-answer {
    display: block;
}

/* Features Section */
.features-section {
    margin-bottom: 3rem;
}

.features-section h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--gray-800);
}

.features-description {
    color: var(--gray-600);
    margin-bottom: 2rem;
}

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

.feature-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
}

.feature-card h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
    color: var(--gray-800);
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.feature-tag {
    display: inline-block;
    background: var(--primary-bg);
    color: var(--primary-dark);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

/* Footer */
.footer {
    background: var(--gray-800);
    color: white;
    padding: 2rem;
    text-align: center;
}

.footer-info {
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.footer-note {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        text-align: center;
    }
    
    .progress-steps {
        flex-wrap: wrap;
    }
    
    .step-label {
        display: none;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header h1 {
        font-size: 1.25rem;
    }
    
    .cost-comparison {
        flex-direction: column;
    }
    
    .cost-arrow {
        transform: rotate(90deg);
    }
    
    .value-grid,
    .case-study-grid {
        grid-template-columns: 1fr;
    }
    
    .breakdown-item {
        grid-template-columns: 16px 100px 40px 1fr;
        font-size: 0.875rem;
    }
}

/* Print Styles */
@media print {
    .step-footer,
    .header,
    .progress-container {
        display: none;
    }
    
    .step-section {
        display: block !important;
        page-break-after: always;
    }
}