/* Reset et base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #FF385C;
    --primary-dark: #E31C5F;
    --primary-light: #FF5A75;
    --secondary-color: #FF6B98;
    --accent-color: #FFC1CC;
    --text-dark: #222222;
    --text-gray: #717171;
    --text-light: #B0B0B0;
    --background-light: #F7F7F7;
    --white: #FFFFFF;
    --border-color: #DDDDDD;
    --shadow-light: rgba(0, 0, 0, 0.08);
    --shadow-medium: rgba(0, 0, 0, 0.15);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Mobile-first approach - Better touch targets */
a, button, .btn {
    min-height: 44px;
    min-width: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Improve scrolling on mobile */
html {
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

/* Prevent zoom on form inputs on iOS */
input, textarea, select {
    font-size: 16px;
}

@media (max-width: 768px) {
    input, textarea, select {
        font-size: 16px !important;
    }
}

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

.nav-logo i {
    margin-right: 10px;
    font-size: 1.8rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-item {
    margin-left: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 100%;
}

.btn-demo {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white !important;
    padding: 10px 20px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.btn-demo:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 56, 92, 0.3);
}

.btn-demo::after {
    display: none;
}

/* Hamburger menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
    z-index: 1001;
}

.hamburger:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 3px;
}

.hamburger.active .bar:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
    background-color: var(--primary-color);
}

.hamburger.active .bar:nth-child(2) {
    opacity: 0;
}

.hamburger.active .bar:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
    background-color: var(--primary-color);
}

/* Mobile menu overlay */
@media (max-width: 768px) {
    .nav-menu::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: -1;
    }
    
    .nav-menu.active::before {
        opacity: 1;
        visibility: visible;
    }
    
    /* S'assurer que le menu mobile est bien blanc */
    .nav-menu {
        background: #ffffff !important;
        background-color: #ffffff !important;
    }
    
    .nav-menu.active {
        background: #ffffff !important;
        background-color: #ffffff !important;
    }
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 120px 0 80px;
    min-height: 100vh;
    min-height: calc(var(--vh, 1vh) * 100);
    display: flex;
    align-items: center;
}

/* États de touch pour mobile */
.touch-active {
    transform: scale(0.98) !important;
    opacity: 0.8 !important;
    transition: all 0.1s ease !important;
}

.btn.touch-active {
    transform: scale(0.95) !important;
}

/* Support pour les mouvements réduits */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .hero-image {
        transform: none !important;
    }
}

/* Optimisations pour les écrans à haute densité */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .feature-icon,
    .benefit-icon,
    .contact-icon,
    .demo-action-icon,
    .use-case-icon {
        transform: translateZ(0);
        will-change: transform;
    }
}

/* Améliorer les performances sur mobile */
@media (max-width: 768px) {
    .hero-image,
    .dashboard-mockup,
    .stats-card {
        transform: translateZ(0);
        will-change: auto;
    }
    
    /* Désactiver les animations coûteuses sur mobile */
    .feature-card:hover,
    .use-case-card:hover {
        transform: none !important;
    }
}

/* Support du mode sombre */
@media (prefers-color-scheme: dark) {
    :root {
        --text-dark: #ffffff;
        --text-gray: #a0a0a0;
        --background-light: #1a1a1a;
        --white: #2a2a2a;
        --border-color: #404040;
    }
    
    /* Forcer le menu mobile à rester blanc même en mode sombre */
    .nav-menu {
        background: #ffffff !important;
        background-color: #ffffff !important;
    }
    
    .nav-menu .nav-link {
        color: #222222 !important;
    }
    
    .nav-menu .nav-link:hover {
        background: #f7f7f7 !important;
        color: #FF385C !important;
    }
}

/* Améliorer les interactions tactiles */
.btn, .nav-link, .demo-action, .contact-item a {
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

/* Améliorer le focus pour l'accessibilité */
.btn:focus, .nav-link:focus, button:focus, input:focus, textarea:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Éviter le zoom accidentel sur iOS */
@media (max-width: 768px) {
    .hero {
        min-height: calc(var(--vh, 1vh) * 100);
        padding: 100px 0 60px;
    }
    
    /* Améliorer l'espace tactile */
    .nav-link {
        padding: 15px 20px;
        margin: 5px 0;
    }
    
    .btn {
        padding: 15px 25px;
        margin: 5px 0;
    }
    
    /* Menu mobile avec hauteur dynamique */
    .nav-menu {
        height: calc(var(--vh, 1vh) * 100 - 70px);
        background: #ffffff !important;
        background-color: #ffffff !important;
    }
    
    /* Forcer le texte du menu mobile en noir */
    .nav-menu .nav-link {
        color: #222222 !important;
    }
    
    .nav-menu .nav-link:hover {
        background: #f7f7f7 !important;
        color: #FF385C !important;
    }
    
    .nav-menu .btn-demo {
        background: linear-gradient(135deg, #FF385C, #E31C5F) !important;
        color: #ffffff !important;
    }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: 20px;
}

.highlight {
    background: linear-gradient(45deg, var(--white), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(255, 255, 255, 0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--white);
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Dashboard Mockup */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.dashboard-mockup {
    background: white;
    border-radius: 15px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    width: 100%;
    max-width: 500px;
    transform: perspective(1000px) rotateY(-15deg) rotateX(10deg);
    transition: transform 0.3s ease;
}

.dashboard-mockup:hover {
    transform: perspective(1000px) rotateY(-10deg) rotateX(5deg);
}

.mockup-header {
    background: #f8fafc;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid #e2e8f0;
}

.mockup-buttons {
    display: flex;
    gap: 8px;
    margin-right: 15px;
}

.mockup-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.btn-red { background: #ef4444; }
.btn-yellow { background: var(--text-gray); }
.btn-green { background: #10b981; }

.mockup-title {
    font-size: 0.9rem;
    color: #64748b;
    font-weight: 500;
}

.mockup-content {
    padding: 20px;
}

.analysis-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #f1f5f9;
}

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

.verbatim-text {
    font-size: 0.85rem;
    color: #475569;
    flex: 1;
    margin-right: 15px;
}

.analysis-result {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.positive {
    background: #dcfce7;
    color: #166534;
}

.negative {
    background: #fecaca;
    color: #991b1b;
}

.neutral {
    background: #f1f5f9;
    color: #475569;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: var(--background-light);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 4px 20px var(--shadow-light);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px var(--shadow-medium);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.7;
}

/* Benefits Section */
.benefits {
    padding: 100px 0;
    background: var(--white);
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.benefits-text h2 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 40px;
    color: var(--text-dark);
}

.benefit-item {
    display: flex;
    margin-bottom: 30px;
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    flex-shrink: 0;
    color: white;
    font-size: 1.2rem;
}

.benefit-content h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.benefit-content p {
    color: var(--text-gray);
    line-height: 1.6;
}

.stats-card {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(255, 56, 92, 0.3);
}

.stats-card h4 {
    font-size: 1.3rem;
    margin-bottom: 30px;
    text-align: center;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

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

.stat-label {
    font-size: 0.95rem;
    opacity: 0.9;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--white);
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
}

/* Use Cases Section */
.use-cases {
    padding: 100px 0;
    background: var(--white);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.use-case-card {
    background: var(--white);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 30px var(--shadow-light);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.use-case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px var(--shadow-medium);
}

.use-case-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.8rem;
    color: white;
}

.use-case-card h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.use-case-description {
    color: var(--text-gray);
    margin-bottom: 25px;
    font-style: italic;
}

.use-case-example {
    background: var(--background-light);
    border-radius: 12px;
    padding: 20px;
}

.use-case-example h4 {
    color: var(--text-dark);
    margin-bottom: 15px;
    font-size: 1rem;
}

.example-input {
    margin-bottom: 20px;
}

.example-input strong {
    color: var(--text-dark);
    display: block;
    margin-bottom: 8px;
}

.example-input ul {
    list-style: none;
    padding-left: 0;
}

.example-input li {
    background: var(--white);
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 5px;
    font-size: 0.9rem;
    color: var(--text-gray);
    border-left: 3px solid var(--primary-color);
}

.example-output strong {
    color: var(--text-dark);
    display: block;
    margin-bottom: 12px;
}

.alert-item, .trend-item, .problem-item, .recommendation-item, 
.insight-item, .opportunity-item, .risk-item, .action-item,
.feature-request, .success-item, .improvement-item {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    border-radius: 8px;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.alert-item.negative {
    background: #fef2f2;
    color: #dc2626;
    border-left: 3px solid #dc2626;
}

.trend-item {
    background: #f1f5f9;
    color: #475569;
    border-left: 3px solid #475569;
}

.problem-item.high {
    background: #fee2e2;
    color: #dc2626;
    border-left: 3px solid #dc2626;
}

.recommendation-item {
    background: #ecfdf5;
    color: #059669;
    border-left: 3px solid #059669;
}

.insight-item {
    background: #eff6ff;
    color: #2563eb;
    border-left: 3px solid #2563eb;
}

.opportunity-item {
    background: #f0fdf4;
    color: #16a34a;
    border-left: 3px solid #16a34a;
}

.risk-item.high {
    background: #fef2f2;
    color: #dc2626;
    border-left: 3px solid #dc2626;
}

.action-item {
    background: #f3e8ff;
    color: #7c3aed;
    border-left: 3px solid #7c3aed;
}

.feature-request {
    background: #f1f5f9;
    color: #475569;
    border-left: 3px solid #475569;
}

.success-item {
    background: #ecfdf5;
    color: #059669;
    border-left: 3px solid #059669;
}

.improvement-item {
    background: #fff7ed;
    color: #ea580c;
    border-left: 3px solid #ea580c;
}

.alert-item i, .trend-item i, .problem-item i, .recommendation-item i,
.insight-item i, .opportunity-item i, .risk-item i, .action-item i,
.feature-request i, .success-item i, .improvement-item i {
    margin-right: 10px;
    font-size: 1rem;
}

/* Demo Section */
.demo {
    padding: 100px 0;
    background: var(--background-light);
}

.demo-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
    max-width: 1000px;
    margin: 0 auto;
}

.demo-benefits h3 {
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.demo-benefit {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    padding: 15px;
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 2px 10px var(--shadow-light);
}

.demo-benefit i {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-right: 15px;
    min-width: 20px;
}

.demo-benefit span {
    color: var(--text-dark);
    font-weight: 500;
}

.demo-form-container {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px var(--shadow-light);
}

.demo-contact h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-dark);
    text-align: center;
}

.demo-contact > p {
    text-align: center;
    color: var(--text-gray);
    margin-bottom: 30px;
}

.demo-actions {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 25px;
}

.demo-action {
    display: flex;
    align-items: center;
    padding: 20px;
    background: var(--background-light);
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.demo-action:hover {
    background: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--shadow-light);
}

.demo-action-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: white;
    font-size: 1.2rem;
}

.demo-action-content h4 {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.demo-action-content p {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 3px;
}

.demo-action-note {
    font-size: 0.85rem;
    color: var(--text-gray);
}

.demo-commitment {
    text-align: center;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 12px;
    color: white;
}

.demo-commitment i {
    margin-right: 8px;
    color: var(--white);
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-note {
    margin-top: 20px !important;
    font-size: 0.9rem !important;
    opacity: 0.7 !important;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: var(--white);
}

.contact-content {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    width: 100%;
    justify-items: center;
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    margin-bottom: 30px;
    max-width: 280px;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: white;
    font-size: 1.2rem;
}

.contact-details h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    color: var(--text-dark);
}

.contact-details p {
    color: var(--text-gray);
    line-height: 1.6;
}

.contact-details a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.contact-details a:hover {
    color: var(--primary-dark);
}

.contact-cta {
    background: var(--background-light);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
}

.contact-cta h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.contact-cta > p {
    color: var(--text-gray);
    margin-bottom: 30px;
    line-height: 1.6;
}

.contact-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.contact-hours {
    padding: 15px;
    background: var(--white);
    border-radius: 10px;
    border-left: 4px solid var(--primary-color);
}

.contact-hours p {
    margin: 0;
    color: var(--text-gray);
    font-size: 0.9rem;
}

.contact-hours i {
    color: var(--primary-color);
    margin-right: 8px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 56, 92, 0.1);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 20px;
    color: white;
}

.footer-logo i {
    margin-right: 10px;
    font-size: 1.8rem;
}

.footer-section p {
    margin-bottom: 25px;
    opacity: 0.8;
    line-height: 1.7;
}

.footer-section h4 {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 10px;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    opacity: 0.8;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

/* Responsive Design */

/* Large tablets and small desktops */
@media (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }
    
    .nav-container {
        padding: 0 30px;
    }
    
    .hero-container {
        gap: 40px;
        padding: 0 30px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
    }
    
    .use-cases-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    }
}

/* Tablets */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--white);
        background: var(--white);
        flex-direction: column;
        text-align: center;
        padding: 20px 0;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.15);
        border-top: 1px solid var(--border-color);
        z-index: 999;
        overflow-y: auto;
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out;
        visibility: hidden;
        opacity: 0;
    }
    
    .nav-menu.active {
        transform: translateX(0);
        visibility: visible;
        opacity: 1;
    }
    
    .nav-item {
        margin: 20px 0;
    }
    
    .nav-link {
        font-size: 1.1rem;
        padding: 10px 20px;
        display: block;
        border-radius: 8px;
        margin: 0 20px;
        color: var(--text-dark);
        background: transparent;
    }
    
    .nav-link:hover {
        background: var(--background-light);
        color: var(--primary-color);
    }
    
    .btn-demo {
        margin: 10px 20px;
        display: block;
        text-align: center;
        background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
        color: var(--white) !important;
    }
    
    /* Hero adjustments */
    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 2.5rem;
        line-height: 1.1;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 30px;
        flex-wrap: wrap;
    }
    
    .stat {
        flex: 1;
        min-width: 100px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    /* Dashboard mockup adjustments */
    .dashboard-mockup {
        transform: none;
        max-width: 100%;
        margin: 0 auto;
    }
    
    .dashboard-mockup:hover {
        transform: none;
    }
    
    /* Sections adjustments */
    .features,
    .benefits,
    .use-cases,
    .demo,
    .contact {
        padding: 60px 0;
    }
    
    .section-header {
        margin-bottom: 50px;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .feature-card {
        padding: 30px 25px;
    }
    
    .use-cases-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .use-case-card {
        padding: 25px 20px;
    }
    
    .benefits-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .benefits-text h2 {
        font-size: 2rem;
        text-align: center;
    }
    
    .benefit-item {
        flex-direction: column;
        text-align: center;
        margin-bottom: 25px;
    }
    
    .benefit-icon {
        margin: 0 auto 15px;
    }
    
    .demo-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .demo-actions {
        gap: 12px;
    }
    
    .demo-action {
        padding: 15px;
    }
    
    .contact-content {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
        gap: 30px;
        width: 100%;
        max-width: 400px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}

/* Mobile phones */
@media (max-width: 480px) {
    .container,
    .nav-container,
    .hero-container {
        padding: 0 15px;
    }
    
    .navbar {
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    }
    
    .nav-container {
        height: 60px;
    }
    
    .nav-logo {
        font-size: 1.3rem;
    }
    
    .nav-logo i {
        font-size: 1.5rem;
    }
    
    .nav-menu {
        top: 60px;
        height: calc(100vh - 60px);
        background: #ffffff !important;
        background-color: #ffffff !important;
        /* Amélioration pour mobile très petits écrans */
        transform: translateX(-100%);
        transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out, visibility 0.3s ease-in-out;
    }
    
    .nav-menu.active {
        transform: translateX(0);
        visibility: visible;
        opacity: 1;
    }
    
    .nav-link {
        font-size: 1rem;
        padding: 8px 15px;
    }
    
    /* Hero mobile optimizations */
    .hero {
        padding: 80px 0 40px;
    }
    
    .hero-title {
        font-size: 1.8rem;
        line-height: 1.1;
        margin-bottom: 15px;
    }
    
    .hero-description {
        font-size: 1rem;
        margin-bottom: 30px;
        line-height: 1.6;
    }
    
    .hero-buttons {
        margin-bottom: 40px;
    }
    
    .hero-stats {
        flex-direction: row;
        gap: 15px;
        justify-content: space-around;
    }
    
    .stat {
        flex: 1;
        min-width: auto;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.8rem;
    }
    
    /* Sections mobile */
    .features,
    .benefits,
    .use-cases,
    .demo,
    .contact {
        padding: 40px 0;
    }
    
    .section-header {
        margin-bottom: 30px;
    }
    
    .section-header h2 {
        font-size: 1.6rem;
        line-height: 1.2;
    }
    
    .section-header p {
        font-size: 1rem;
    }
    
    /* Feature cards mobile */
    .feature-card {
        padding: 25px 20px;
        margin-bottom: 15px;
    }
    
    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin-bottom: 20px;
    }
    
    .feature-card h3 {
        font-size: 1.1rem;
        margin-bottom: 12px;
    }
    
    .feature-card p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    
    /* Benefits mobile */
    .benefits-text h2 {
        font-size: 1.6rem;
        margin-bottom: 30px;
    }
    
    .benefit-item {
        margin-bottom: 20px;
    }
    
    .benefit-icon {
        width: 50px;
        height: 50px;
        font-size: 1rem;
        margin-bottom: 10px;
    }
    
    .benefit-content h3 {
        font-size: 1rem;
        margin-bottom: 5px;
    }
    
    .benefit-content p {
        font-size: 0.9rem;
    }
    
    .stats-card {
        padding: 25px 20px;
    }
    
    .stats-card h4 {
        font-size: 1.1rem;
        margin-bottom: 20px;
    }
    
    .stat-row {
        padding: 10px 0;
    }
    
    .stat-label {
        font-size: 0.85rem;
    }
    
    .stat-value {
        font-size: 1.2rem;
    }
    
    /* Use cases mobile */
    .use-case-card {
        padding: 20px 15px;
    }
    
    .use-case-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
        margin-bottom: 15px;
    }
    
    .use-case-card h3 {
        font-size: 1.1rem;
        margin-bottom: 8px;
    }
    
    .use-case-description {
        font-size: 0.9rem;
        margin-bottom: 20px;
    }
    
    .use-case-example {
        padding: 15px;
    }
    
    .use-case-example h4 {
        font-size: 0.9rem;
        margin-bottom: 10px;
    }
    
    .example-input ul {
        margin-bottom: 15px;
    }
    
    .example-input li {
        padding: 6px 10px;
        font-size: 0.8rem;
        margin-bottom: 4px;
    }
    
    .alert-item,
    .success-item,
    .trend-item,
    .problem-item,
    .recommendation-item,
    .insight-item,
    .opportunity-item,
    .risk-item,
    .action-item,
    .feature-request,
    .improvement-item {
        padding: 8px 10px;
        font-size: 0.8rem;
        margin-bottom: 6px;
    }
    
    /* Demo section mobile */
    .demo-form-container {
        padding: 25px 20px;
    }
    
    .demo-contact h3 {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }
    
    .demo-contact > p {
        font-size: 0.9rem;
        margin-bottom: 25px;
    }
    
    .demo-action {
        padding: 12px;
        flex-direction: column;
        text-align: center;
    }
    
    .demo-action-icon {
        width: 40px;
        height: 40px;
        margin: 0 auto 10px;
        font-size: 1rem;
    }
    
    .demo-action-content h4 {
        font-size: 1rem;
        margin-bottom: 4px;
    }
    
    .demo-action-content p {
        font-size: 0.9rem;
        margin-bottom: 2px;
    }
    
    .demo-action-note {
        font-size: 0.8rem;
    }
    
    .demo-commitment {
        padding: 15px;
        font-size: 0.85rem;
    }
    
    .demo-benefit {
        padding: 12px;
        margin-bottom: 15px;
    }
    
    .demo-benefit i {
        font-size: 1rem;
        margin-right: 12px;
    }
    
    .demo-benefit span {
        font-size: 0.9rem;
    }
    
    /* Contact mobile */
    .contact-item {
        flex-direction: column;
        text-align: center;
        margin-bottom: 25px;
    }
    
    .contact-icon {
        width: 50px;
        height: 50px;
        margin: 0 auto 15px;
        font-size: 1rem;
    }
    
    .contact-details h4 {
        font-size: 1rem;
    }
    
    .contact-details p {
        font-size: 0.9rem;
    }
    
    .contact-cta {
        padding: 25px 20px;
    }
    
    .contact-cta h3 {
        font-size: 1.2rem;
        margin-bottom: 12px;
    }
    
    .contact-cta > p {
        font-size: 0.9rem;
        margin-bottom: 25px;
    }
    
    .contact-hours {
        padding: 12px;
    }
    
    .contact-hours p {
        font-size: 0.8rem;
    }
    
    /* Buttons mobile */
    .btn {
        padding: 12px 20px;
        font-size: 0.9rem;
        text-align: center;
    }
    
    .btn-large {
        padding: 15px 25px;
        font-size: 1rem;
    }
    
    /* Footer mobile */
    .footer {
        padding: 40px 0 20px;
    }
    
    .footer-logo {
        font-size: 1.3rem;
        margin-bottom: 15px;
    }
    
    .footer-logo i {
        font-size: 1.5rem;
    }
    
    .footer-section p {
        font-size: 0.9rem;
        margin-bottom: 20px;
    }
    
    .footer-section h4 {
        font-size: 1rem;
        margin-bottom: 15px;
    }
    
    .footer-section li {
        margin-bottom: 8px;
    }
    
    .footer-section a {
        font-size: 0.9rem;
    }
    
    .footer-bottom {
        padding-top: 20px;
        font-size: 0.8rem;
    }
    
    /* Back to top button mobile */
    .back-to-top {
        bottom: 20px !important;
        right: 20px !important;
        width: 45px !important;
        height: 45px !important;
        font-size: 0.9rem !important;
    }
    
    /* Dashboard mockup mobile */
    .mockup-header {
        padding: 10px 15px;
    }
    
    .mockup-title {
        font-size: 0.8rem;
    }
    
    .mockup-content {
        padding: 15px;
    }
    
    .analysis-row {
        flex-direction: column;
        align-items: flex-start;
        padding: 10px 0;
        gap: 8px;
    }
    
    .verbatim-text {
        font-size: 0.8rem;
        margin-right: 0;
        margin-bottom: 5px;
    }
    
    .analysis-result {
        padding: 3px 8px;
        font-size: 0.7rem;
        align-self: flex-start;
    }
}

/* Very small phones */
@media (max-width: 360px) {
    .hero-title {
        font-size: 1.6rem;
    }
    
    .section-header h2 {
        font-size: 1.4rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .btn {
        padding: 10px 15px;
        font-size: 0.85rem;
    }
    
    .feature-card,
    .use-case-card {
        padding: 20px 15px;
    }
    
    .demo-form-container,
    .contact-cta {
        padding: 20px 15px;
    }
}

/* Landscape phones */
@media (max-width: 896px) and (orientation: landscape) {
    .hero {
        padding: 70px 0 30px;
        min-height: auto;
    }
    
    .hero-container {
        gap: 30px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-direction: row;
        gap: 20px;
    }
    
    .features,
    .benefits,
    .use-cases,
    .demo,
    .contact {
        padding: 50px 0;
    }
}