/* ============================================
   Variables CSS Modernes pour la mobilité
   ============================================ */

:root {
    /* Palette principale */
    --primary: #00a896;    /* Vert */
    --primary-dark: #028090;
    --primary-light: #02c39a;
    --secondary: #05668d;  /* Bleu transport */
    --secondary-dark: #034078;
    --accent: #f9c74f;     /* Jaune avertissement */
    --accent-dark: #f9844a;
    
    /* Thème sombre respectant WCAG AA */
    --dark: #0a192f;
    --dark-light: #172a45;
    --light: #f8f9fa;
    --gray: #6c757d;
    --gray-light: #adb5bd;
    --gray-dark: #495057;
    
    /* Couleurs transports */
    --transport-car: #00a896;
    --transport-bus: #05668d;
    --transport-train: #7209b7;
    --transport-bike: #38b000;
    --transport-walk: #00bbf9;
    --transport-electric: #ffd166;
    --transport-plane: #f72585;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary), var(--secondary));
    --gradient-secondary: linear-gradient(135deg, var(--secondary), var(--primary));
    --gradient-dark: linear-gradient(135deg, var(--dark), var(--dark-light));
    --gradient-ademe: linear-gradient(135deg, #00a896, #05668d, #7209b7);
    
    /* Ombres optimisées */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
    --shadow: 0 2px 4px rgba(0, 0, 0, 0.15);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.25);
    --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 15px rgba(0, 168, 150, 0.3);
    
    /* Bordures */
    --radius-sm: 4px;
    --radius: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 28px;
    
    /* Transitions avec préférence de mouvement */
    --transition: all 0.2s ease;
    --transition-slow: all 0.3s ease;
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Z-index échelle */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-modal: 300;
    --z-popover: 400;
    --z-tooltip: 500;
    --z-notification: 10000;
}

/* ============================================
   Reset et Base optimisés
   ============================================ */

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

/* Gestion de la réduction de mouvement */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    font-size: 16px;
}

body.mobility-page {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--dark);
    color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container responsive */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Focus visible amélioré pour accessibilité */
:focus-visible {
    outline: 3px solid var(--primary);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* ============================================
   Navigation améliorée
   ============================================ */

.mobility-header {
    position: sticky;
    top: 0;
    background: rgba(10, 25, 47, 0.98);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: var(--z-sticky);
    padding: 16px 0;
    will-change: transform;
}

@supports not (backdrop-filter: blur(10px)) {
    .mobility-header {
        background: rgba(10, 25, 47, 0.95);
    }
}

.mobility-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
}

.nav-brand a {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--light);
    transition: var(--transition);
}

.nav-brand a:hover,
.nav-brand a:focus {
    opacity: 0.9;
}

.brand-logo {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    box-shadow: var(--shadow-glow);
    will-change: transform;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-text span:first-child {
    font-weight: 800;
    font-size: 18px;
    letter-spacing: -0.02em;
}

.brand-pro {
    font-weight: 700;
    font-size: 14px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% auto;
    animation: gradient 3s ease infinite;
}

@keyframes gradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.mobility-nav {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-light);
    text-decoration: none;
    font-weight: 500;
    padding: 10px 16px;
    border-radius: var(--radius);
    transition: var(--transition);
    white-space: nowrap;
}

.nav-link:hover,
.nav-link:focus,
.nav-link.active {
    color: var(--light);
    background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
    color: var(--primary);
    background: rgba(0, 168, 150, 0.1);
    font-weight: 600;
}

/* ============================================
   Hero Section avec données 
   ============================================ */

.mobility-hero {
    padding: 80px 0 60px;
    background: linear-gradient(135deg, 
        rgba(0, 168, 150, 0.1) 0%,
        rgba(5, 102, 141, 0.1) 50%,
        rgba(114, 9, 183, 0.1) 100%);
    position: relative;
    overflow: hidden;
}

.mobility-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    right: -50%;
    bottom: -50%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 168, 150, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(5, 102, 141, 0.1) 0%, transparent 50%);
    pointer-events: none;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, 30px) rotate(120deg); }
    66% { transform: translate(-20px, 20px) rotate(240deg); }
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.premium-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.1);
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 32px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: fadeInUp 0.6s ease-out;
}

.data-note {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 168, 150, 0.1);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    margin: 20px auto 32px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 168, 150, 0.2);
    color: var(--primary);
    max-width: fit-content;
}

.hero-title {
    font-size: clamp(36px, 8vw, 56px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.title-line {
    display: block;
}

.gradient-text {
    background: var(--gradient-ademe);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% auto;
    animation: gradient 3s ease infinite;
}

.hero-subtitle {
    font-size: clamp(16px, 4vw, 20px);
    color: var(--gray-light);
    line-height: 1.6;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-subtitle strong {
    color: var(--primary);
    font-weight: 600;
}

/* Stats mobilité */
.mobility-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 48px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.stat-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 24px;
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    will-change: transform;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
}

.stat-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-glow);
}

.stat-value {
    font-size: clamp(32px, 6vw, 42px);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
    line-height: 1;
}

.stat-label {
    color: var(--gray);
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   Headers de sections
   ============================================ */

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 48px;
}

.section-header h2 {
    font-size: clamp(28px, 6vw, 40px);
    font-weight: 800;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.section-header p {
    font-size: clamp(16px, 3vw, 18px);
    color: var(--gray);
    line-height: 1.6;
}

/* ============================================
   Calculateur Grid
   ============================================ */

.calculator-section {
    padding: 80px 0;
    position: relative;
}

.calculator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-top: 48px;
}

/* ============================================
   Carte optimisée
   ============================================ */

.map-container {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    height: 600px;
    will-change: transform;
}

@supports not (backdrop-filter: blur(10px)) {
    .map-container {
        background: rgba(255, 255, 255, 0.08);
    }
}

.map-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    flex-shrink: 0;
}

.map-header h3 {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.map-actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

#map {
    flex: 1;
    width: 100%;
    min-height: 400px;
    background: var(--dark-light);
}

.map-instructions {
    padding: 16px 20px;
    text-align: center;
    color: var(--gray);
    font-size: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.03);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-shrink: 0;
}

/* ============================================
   Formulaire de calcul
   ============================================ */

.calculator-form {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: 32px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    gap: 32px;
    height: 100%;
    will-change: transform;
}

@supports not (backdrop-filter: blur(10px)) {
    .calculator-form {
        background: rgba(255, 255, 255, 0.08);
    }
}

.form-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    flex-wrap: wrap;
    gap: 16px;
}

.form-header h3 {
    font-size: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-badge {
    background: var(--gradient-primary);
    color: white;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
}

.form-section {
    background: rgba(255, 255, 255, 0.03);
    padding: 24px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.form-section h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--gray-light);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-light);
    margin-bottom: 8px;
}

.input-with-button {
    display: flex;
    gap: 8px;
}

.input-with-button input {
    flex: 1;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    padding: 12px 16px;
    color: var(--light);
    font-size: 15px;
    transition: var(--transition);
    font-family: inherit;
    min-width: 0;
}

.input-with-button input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(0, 168, 150, 0.1);
}

.input-with-button input::placeholder {
    color: var(--gray);
}

.btn-icon {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    color: var(--gray);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.btn-icon:hover,
.btn-icon:focus {
    background: rgba(255, 255, 255, 0.1);
    color: var(--light);
}

/* Distance Display */
.distance-display {
    background: rgba(0, 168, 150, 0.1);
    border: 1px solid rgba(0, 168, 150, 0.2);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
    margin-top: 24px;
}

.distance-value {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 8px;
}

.distance-value i {
    color: var(--primary);
    font-size: 20px;
}

.distance-value span {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.distance-label {
    color: var(--gray);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   Transport Grid avec données 
   ============================================ */

.transport-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 16px;
}

.transport-option {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid transparent;
    border-radius: var(--radius);
    padding: 16px 12px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
    user-select: none;
    will-change: transform;
}

.transport-option:hover,
.transport-option:focus {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
    outline: none;
}

.transport-option.active {
    background: rgba(0, 168, 150, 0.15);
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary), var(--shadow-sm);
}

.transport-icon {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    color: var(--light);
    font-size: 16px;
    transition: var(--transition);
}

.transport-option.active .transport-icon {
    background: var(--gradient-primary);
    color: white;
}

.transport-label {
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--gray-light);
}

.transport-option.active .transport-label {
    color: var(--light);
}

.transport-badge {
    font-size: 10px;
    color: var(--gray);
    background: rgba(255, 255, 255, 0.05);
    padding: 2px 6px;
    border-radius: 10px;
    margin-top: 4px;
    display: inline-block;
    font-weight: 600;
}

.transport-option.active .transport-badge {
    color: var(--primary);
    background: rgba(0, 168, 150, 0.2);
}

.transport-source {
    font-size: 8px;
    color: var(--gray-dark);
    position: absolute;
    bottom: 4px;
    left: 0;
    right: 0;
    text-align: center;
    opacity: 0.6;
}

/* ============================================
   Advanced Grid amélioré
   ============================================ */

.advanced-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 16px;
}

.advanced-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.advanced-item label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-light);
}

.advanced-item select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    padding: 10px 12px;
    color: var(--light);
    font-size: 14px;
    font-family: inherit;
    cursor: pointer;
    transition: var(--transition);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23adb5bd' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 12px;
    padding-right: 32px;
}

.advanced-item select:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(0, 168, 150, 0.1);
}

/* Sources des données */
.data-sources {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--gray);
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius);
    border-left: 3px solid var(--primary);
}

.data-sources i {
    color: var(--primary);
    font-size: 14px;
}

/* ============================================
   Boutons optimisés
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-family: inherit;
    position: relative;
    overflow: hidden;
    user-select: none;
    will-change: transform;
}

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

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

.btn-primary:hover:not(:disabled),
.btn-primary:focus:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--light);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-secondary:hover:not(:disabled),
.btn-secondary:focus:not(:disabled) {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--light);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover:not(:disabled),
.btn-outline:focus:not(:disabled) {
    border-color: var(--primary);
    background: rgba(0, 168, 150, 0.1);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--light);
    border: 1px solid transparent;
}

.btn-ghost:hover:not(:disabled),
.btn-ghost:focus:not(:disabled) {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.btn-block {
    width: 100%;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 700;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
}

/* ============================================
   Section Résultats améliorée
   ============================================ */

.results-section {
    padding: 80px 0;
    background: linear-gradient(135deg, 
        rgba(0, 168, 150, 0.05) 0%,
        rgba(5, 102, 141, 0.05) 100%);
}

.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 48px;
}

.result-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    transition: var(--transition);
    will-change: transform;
}

@supports not (backdrop-filter: blur(10px)) {
    .result-card {
        background: rgba(255, 255, 255, 0.08);
    }
}

.result-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-md);
}

.result-card.main-result {
    grid-column: 1 / -1;
    border: 2px solid var(--primary);
    background: rgba(0, 168, 150, 0.05);
}

.result-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.03);
    flex-wrap: wrap;
    gap: 16px;
}

.result-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--gradient-primary);
    color: white;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.result-actions {
    display: flex;
    gap: 8px;
}

.result-content {
    padding: 32px;
}

.result-content h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--light);
    line-height: 1.3;
}

.result-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

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

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: white;
    font-size: 20px;
    background: var(--gradient-primary);
}

.result-stat .stat-value {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--light);
    line-height: 1;
}

.result-stat .stat-label {
    color: var(--gray);
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Équivalents CO2 */
.co2-equivalents {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius);
    padding: 20px;
    border-left: 3px solid var(--accent);
}

.equivalent-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 14px;
    color: var(--gray-light);
}

.equivalent-item:last-child {
    margin-bottom: 0;
}

.equivalent-item i {
    color: var(--accent);
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.equivalent-item strong {
    color: var(--light);
    font-weight: 700;
}

/* ============================================
   Section Alternatives
   ============================================ */

.alternatives-card .alternatives-list {
    padding: 24px;
    max-height: 400px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.alternative-placeholder {
    text-align: center;
    padding: 48px 24px;
    color: var(--gray);
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

.alternative-placeholder i {
    font-size: 48px;
    margin-bottom: 20px;
    color: var(--primary);
    opacity: 0.5;
}

.alternative-placeholder p {
    font-size: 15px;
    max-width: 250px;
    line-height: 1.5;
}

/* Item d'alternative */
.alternative-item {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px;
    transition: var(--transition);
    cursor: pointer;
    will-change: transform;
}

.alternative-item:hover,
.alternative-item:focus {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    outline: none;
}

.alternative-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}

.alternative-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.alternative-info {
    flex: 1;
    min-width: 0;
}

.alternative-info h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--light);
    margin-bottom: 4px;
    line-height: 1.3;
}

.alternative-desc {
    font-size: 13px;
    color: var(--gray);
    line-height: 1.4;
}

.alternative-savings {
    display: flex;
    align-items: center;
    gap: 8px;
}

.savings-badge {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.alternative-details {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.detail-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--gray-light);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.detail-item i {
    width: 16px;
    text-align: center;
    color: var(--primary);
    flex-shrink: 0;
}

.detail-item span {
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-select-alternative {
    width: 100%;
    background: rgba(0, 168, 150, 0.1);
    border: 1px solid rgba(0, 168, 150, 0.3);
    color: var(--primary);
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-select-alternative:hover,
.btn-select-alternative:focus {
    background: rgba(0, 168, 150, 0.2);
    border-color: var(--primary);
    transform: translateY(-2px);
    outline: none;
}

/* ============================================
   Graphique comparatif
   ============================================ */

.chart-card {
    grid-column: 1 / -1;
}

.chart-container {
    padding: 32px;
    height: 300px;
    position: relative;
}

.chart-legend {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--gray);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 2px;
}

.chart-note {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--gray);
    margin-top: 16px;
    justify-content: center;
}

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

/* ============================================
   Conseils personnalisés
   ============================================ */

.advice-card .advice-content {
    padding: 24px;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.advice-placeholder {
    text-align: center;
    padding: 32px 20px;
    color: var(--gray);
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.advice-placeholder i {
    font-size: 36px;
    margin-bottom: 16px;
    color: var(--primary);
    opacity: 0.5;
}

.advice-placeholder p {
    font-size: 14px;
    max-width: 200px;
    line-height: 1.5;
}

.advice-item {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    transition: var(--transition);
    border-left: 3px solid var(--primary);
}

.advice-item:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(4px);
}

.advice-number {
    width: 28px;
    height: 28px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
    margin-top: 2px;
}

.advice-text {
    flex: 1;
}

.advice-text p {
    color: var(--gray-light);
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
}

.advice-actions {
    padding: 20px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.02);
}

/* Actions sur les résultats */
.results-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 32px;
    flex-wrap: wrap;
}

/* ============================================
   Éco-conseils généraux
   ============================================ */

.eco-tips-section {
    padding: 80px 0;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.tip-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-xl);
    padding: 32px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    text-align: center;
    will-change: transform;
}

@supports not (backdrop-filter: blur(10px)) {
    .tip-card {
        background: rgba(255, 255, 255, 0.08);
    }
}

.tip-card:hover {
    transform: translateY(-6px);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-lg);
}

.tip-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: white;
    font-size: 24px;
}

.tip-icon.train {
    background: linear-gradient(135deg, #7209b7, #05668d);
}
.tip-icon.carpool {
    background: linear-gradient(135deg, #00a896, #028090);
}
.tip-icon.bike {
    background: linear-gradient(135deg, #38b000, #00bbf9);
}
.tip-icon.remote {
    background: linear-gradient(135deg, #f9c74f, #f9844a);
}

.tip-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--light);
    line-height: 1.3;
}

.tip-card p {
    color: var(--gray);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.tip-impact {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 8px;
}

.tip-source {
    font-size: 11px;
    color: var(--gray-dark);
    font-style: italic;
}

/* Informations supplémentaires */
.additional-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    margin-top: 64px;
    padding-top: 64px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.info-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-lg);
    padding: 24px;
    border-left: 4px solid var(--primary);
}

.info-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--light);
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-card p {
    color: var(--gray-light);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}

.info-card ul {
    list-style: none;
    padding: 0;
}

.info-card li {
    color: var(--gray);
    font-size: 13px;
    line-height: 1.6;
    margin-bottom: 8px;
    padding-left: 20px;
    position: relative;
}

.info-card li::before {
    content: '•';
    color: var(--primary);
    position: absolute;
    left: 0;
    font-weight: bold;
}

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

.mobility-footer {
    background: var(--dark-light);
    padding: 64px 0 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 64px;
    margin-bottom: 48px;
}

.footer-brand {
    max-width: 400px;
}

.footer-brand .brand-logo {
    width: 48px;
    height: 48px;
    margin-bottom: 20px;
}

.footer-desc {
    color: var(--gray);
    line-height: 1.6;
    margin-top: 16px;
    font-size: 14px;
}

.footer-sources {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--gray);
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

.link-group h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--light);
    margin-bottom: 20px;
}

.link-group a {
    display: block;
    color: var(--gray);
    text-decoration: none;
    margin-bottom: 12px;
    font-size: 14px;
    transition: var(--transition);
    position: relative;
    padding-left: 0;
}

.link-group a:hover,
.link-group a:focus {
    color: var(--primary);
    transform: translateX(4px);
}

.link-group a[target="_blank"]::after {
    content: '↗';
    margin-left: 4px;
    font-size: 12px;
    opacity: 0.7;
}

.footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--gray);
    font-size: 14px;
}

.footer-bottom p:first-child {
    margin-bottom: 8px;
    font-weight: 500;
}

.footer-bottom i {
    color: var(--primary);
    margin-right: 6px;
}

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

/* Grands écrans */
@media (min-width: 1600px) {
    .container {
        max-width: 1400px;
    }
    
    .transport-grid {
        grid-template-columns: repeat(8, 1fr);
    }
}

/* Tablettes */
@media (max-width: 1200px) {
    .transport-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .tips-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 992px) {
    .calculator-grid {
        grid-template-columns: 1fr;
    }
    
    .map-container {
        height: 500px;
        min-height: 400px;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .result-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
}

/* Mobiles */
@media (max-width: 768px) {
    .mobility-header .container {
        flex-direction: column;
        gap: 20px;
    }
    
    .mobility-nav {
        width: 100%;
        justify-content: center;
        overflow-x: auto;
        padding-bottom: 8px;
    }
    
    .nav-link {
        padding: 8px 12px;
        font-size: 14px;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .mobility-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .stat-card {
        max-width: 300px;
        margin: 0 auto;
    }
    
    .section-header h2 {
        font-size: 24px;
        flex-direction: column;
        gap: 8px;
    }
    
    .section-header h2 i {
        font-size: 20px;
    }
    
    .transport-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advanced-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .calculator-form {
        padding: 24px;
    }
    
    .form-section {
        padding: 20px;
    }
    
    .result-content {
        padding: 24px;
    }
    
    .result-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .alternative-details {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    .alternative-header {
        flex-direction: column;
        gap: 12px;
    }
    
    .alternative-savings {
        align-self: flex-start;
    }
    
    .tips-grid {
        grid-template-columns: 1fr;
    }
    
    .results-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .results-actions .btn {
        width: 100%;
    }
    
    .additional-info {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* Petits mobiles */
@media (max-width: 576px) {
    .container {
        padding: 0 16px;
    }
    
    .calculator-form {
        padding: 20px;
    }
    
    .form-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .alternatives-card .alternatives-list {
        padding: 16px;
    }
    
    .advice-card .advice-content {
        padding: 16px;
    }
    
    .alternative-item,
    .advice-item {
        padding: 16px;
    }
    
    .chart-container {
        padding: 20px;
        height: 250px;
    }
    
    .info-card {
        padding: 20px;
    }
    
    .footer-content {
        gap: 32px;
    }
}

/* Support de réduction de mouvement */
@media (prefers-reduced-motion: reduce) {
    .brand-pro,
    .gradient-text {
        animation: none;
    }
    
    .mobility-hero::before {
        animation: none;
    }
    
    .stat-card:hover,
    .transport-option:hover,
    .result-card:hover,
    .tip-card:hover,
    .alternative-item:hover,
    .advice-item:hover {
        transform: none;
    }
}

/* ============================================
   Animations optimisées
   ============================================ */

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

.section-header,
.calculator-grid,
.results-grid,
.tips-grid {
    animation: fadeInUp 0.4s ease-out;
}

.alternative-item,
.advice-item {
    animation: fadeInUp 0.3s ease-out forwards;
}

.alternative-item:nth-child(1) { animation-delay: 0.1s; }
.alternative-item:nth-child(2) { animation-delay: 0.2s; }
.alternative-item:nth-child(3) { animation-delay: 0.3s; }
.alternative-item:nth-child(4) { animation-delay: 0.4s; }

.advice-item:nth-child(1) { animation-delay: 0.2s; }
.advice-item:nth-child(2) { animation-delay: 0.3s; }
.advice-item:nth-child(3) { animation-delay: 0.4s; }

/* ============================================
   Barres de défilement personnalisées
   ============================================ */

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

.alternatives-list::-webkit-scrollbar {
    width: 6px;
}

.alternatives-list::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
}

.alternatives-list::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 3px;
}

/* ============================================
   Overrides Leaflet pour thème sombre
   ============================================ */

.leaflet-container {
    font-family: 'Inter', sans-serif;
    background: var(--dark-light);
}

.leaflet-control {
    background: rgba(255, 255, 255, 0.1) !important;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
}

.leaflet-control-zoom a {
    background: rgba(255, 255, 255, 0.1) !important;
    color: var(--light) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2) !important;
}

.leaflet-control-zoom a:hover {
    background: rgba(255, 255, 255, 0.2) !important;
}

.leaflet-popup-content-wrapper {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--light);
}

.leaflet-popup-tip {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
}

/* ============================================
   Notifications (injectées par JS)
   ============================================ */

.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--primary);
    color: white;
    padding: 16px 20px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-notification);
    animation: slideIn 0.3s ease-out;
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.notification-close {
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    padding: 4px;
    opacity: 0.8;
    transition: var(--transition);
}

.notification-close:hover {
    opacity: 1;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Types de notifications */
.notification.success {
    background: #00a896;
}
.notification.error {
    background: #f72585;
}
.notification.warning {
    background: #f9c74f;
    color: var(--dark);
}
.notification.info {
    background: #05668d;
}

/* ============================================
   Styles pour les marqueurs Leaflet personnalisés
   ============================================ */

.custom-marker {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
    transform: translate(-50%, -100%);
}

.custom-marker.start {
    background: #00a896;
}

.custom-marker.end {
    background: #f72585;
}

/* ============================================
   Styles d'erreur pour la carte
   ============================================ */

.map-error {
    padding: 40px 20px;
    text-align: center;
    color: var(--gray);
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.map-error i {
    font-size: 48px;
    margin-bottom: 20px;
    color: var(--accent);
}

.map-error h3 {
    color: var(--light);
    margin-bottom: 10px;
    font-size: 18px;
}

.map-error p {
    margin-bottom: 8px;
    font-size: 14px;
}

/* ============================================
   État de chargement
   ============================================ */

.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(2px);
    border-radius: inherit;
    z-index: 1;
}

.loading::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    margin: -15px 0 0 -15px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: 2;
}

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

/* ============================================
   Mode Impression
   ============================================ */

@media print {
    .mobility-header,
    .mobility-nav,
    .results-actions,
    .advice-actions,
    .map-actions,
    .btn-icon,
    button {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .container {
        max-width: 100% !important;
        padding: 0 !important;
    }
    
    .result-card,
    .calculator-form,
    .map-container {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
        break-inside: avoid;
    }
    
    .gradient-text {
        background: none !important;
        color: black !important;
        -webkit-text-fill-color: black !important;
    }
}