/* Variables CSS - Couleurs SANA Health */
:root {
    --primary: #0d346d;
    --secondary: #039dc3;
    --secondary-dark: #002C54;
    --primary-light: #1a4a8f;
    --secondary-light: #05b8e0;
    
    --text-dark: #1a1a2e;
    --text-medium: #4a5568;
    --text-light: #718096;
    --bg-light: #f7fafc;
    --bg-lighter: #edf2f7;
    --white: #ffffff;
    
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary-dark) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Couleurs tranches d'âge */
    --color-18-25: #F5A623;
    --color-45-50: #00A99D;
    --color-60-65: #D14081;
    --color-70-75: #E67E50;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 12px 0;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 45px;
    width: auto;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-medium);
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--secondary);
    transition: var(--transition);
}

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

.btn-nav {
    background: var(--primary);
    color: var(--white);
    padding: 10px 24px;
    border-radius: var(--radius-xl);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.btn-nav:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--secondary-light);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(3, 157, 195, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--white);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    z-index: -2;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-text {
    color: var(--white);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.15);
    padding: 8px 16px;
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.badge i {
    color: var(--secondary);
}

.hero-text h1 {
    font-size: 3.2rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
}

.hero-text h1 .highlight {
    color: var(--secondary);
}

.hero-subtitle {
    font-size: 1.15rem;
    opacity: 0.9;
    margin-bottom: 32px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
}

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

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

.stat-value {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--secondary);
}

.stat-label {
    font-size: 0.85rem;
    opacity: 0.8;
}

/* Dashboard Preview */
.hero-visual {
    display: flex;
    justify-content: center;
}

.dashboard-preview {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    width: 100%;
    max-width: 450px;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.dashboard-header {
    background: var(--bg-lighter);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.dashboard-dots {
    display: flex;
    gap: 6px;
}

.dashboard-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #e2e8f0;
}

.dashboard-dots span:first-child { background: #fc5c65; }
.dashboard-dots span:nth-child(2) { background: #fed330; }
.dashboard-dots span:last-child { background: #26de81; }

.dashboard-header > span {
    font-size: 0.85rem;
    color: var(--text-medium);
    font-weight: 500;
}

.dashboard-content {
    padding: 20px;
}

.dashboard-card {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-light);
    padding: 14px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 10px;
}

.dashboard-card i {
    font-size: 1.3rem;
    color: var(--secondary);
}

.card-number {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
}

.card-label {
    font-size: 0.75rem;
    color: var(--text-light);
}

.dashboard-list {
    margin-top: 16px;
}

.list-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--bg-lighter);
}

.list-item:last-child {
    border-bottom: none;
}

.avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gradient-secondary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
}

.list-info {
    flex: 1;
}

.list-info span {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-dark);
}

.list-info small {
    font-size: 0.75rem;
    color: var(--text-light);
}

.list-item > i {
    font-size: 1rem;
}

.list-item > i.fa-check-circle { color: #26de81; }
.list-item > i.fa-clock { color: var(--color-18-25); }

/* Hero Wave */
.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1;
}

.hero-wave svg {
    display: block;
    width: 100%;
    height: auto;
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    background: rgba(3, 157, 195, 0.1);
    color: var(--secondary);
    padding: 6px 16px;
    border-radius: var(--radius-xl);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 16px;
}

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

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

.concept-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 30px;
}

.concept-card {
    background: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 30px;
    transition: var(--transition);
}

.concept-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.concept-card-large {
    padding: 40px;
}

.concept-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-secondary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.concept-icon i {
    font-size: 1.8rem;
    color: var(--white);
}

.concept-icon.small {
    width: 50px;
    height: 50px;
    margin-bottom: 16px;
}

.concept-icon.small i {
    font-size: 1.3rem;
}

.concept-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.concept-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.concept-card p {
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: 20px;
}

.concept-features {
    list-style: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.concept-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--text-medium);
}

.concept-features i {
    color: var(--secondary);
    font-size: 0.9rem;
}

.concept-side {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Workflow Section */
.workflow {
    padding: 100px 0;
    background: var(--bg-light);
}

.workflow-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 20px;
}

.workflow-step {
    flex: 1;
    max-width: 250px;
    text-align: center;
    position: relative;
}

.step-number {
    position: absolute;
    top: -10px;
    right: 20px;
    font-size: 3rem;
    font-weight: 800;
    color: rgba(3, 157, 195, 0.1);
    z-index: 0;
}

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

.step-icon {
    width: 80px;
    height: 80px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: var(--shadow-md);
}

.step-icon i {
    font-size: 1.8rem;
    color: var(--secondary);
}

.workflow-step h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.workflow-step p {
    font-size: 0.9rem;
    color: var(--text-medium);
    line-height: 1.6;
}

.workflow-connector {
    display: flex;
    align-items: center;
    padding-top: 40px;
    color: var(--secondary);
}

.connector-line {
    width: 30px;
    height: 2px;
    background: var(--secondary);
    opacity: 0.3;
}

.workflow-connector i {
    font-size: 0.8rem;
    opacity: 0.5;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 30px;
    transition: var(--transition);
    border: 2px solid transparent;
}

.feature-card:hover {
    background: var(--white);
    border-color: var(--secondary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    width: 55px;
    height: 55px;
    background: rgba(3, 157, 195, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon i {
    font-size: 1.4rem;
    color: var(--secondary);
}

.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-medium);
    line-height: 1.6;
}

/* Tranches Section */
.tranches {
    padding: 100px 0;
    background: var(--bg-light);
}

.tranches-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.tranche-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 30px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.tranche-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.tranche-18::before { background: var(--color-18-25); }
.tranche-45::before { background: var(--color-45-50); }
.tranche-60::before { background: var(--color-60-65); }
.tranche-70::before { background: var(--color-70-75); }

.tranche-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

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

.tranche-age {
    font-size: 0.85rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: var(--radius-xl);
}

.tranche-18 .tranche-age { background: rgba(245, 166, 35, 0.15); color: var(--color-18-25); }
.tranche-45 .tranche-age { background: rgba(0, 169, 157, 0.15); color: var(--color-45-50); }
.tranche-60 .tranche-age { background: rgba(209, 64, 129, 0.15); color: var(--color-60-65); }
.tranche-70 .tranche-age { background: rgba(230, 126, 80, 0.15); color: var(--color-70-75); }

.tranche-header i {
    font-size: 1.3rem;
}

.tranche-18 .tranche-header i { color: var(--color-18-25); }
.tranche-45 .tranche-header i { color: var(--color-45-50); }
.tranche-60 .tranche-header i { color: var(--color-60-65); }
.tranche-70 .tranche-header i { color: var(--color-70-75); }

.tranche-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-dark);
}

.tranche-card > p {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 16px;
}

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

.tranche-card ul li {
    font-size: 0.85rem;
    color: var(--text-medium);
    padding: 6px 0;
    border-bottom: 1px solid var(--bg-lighter);
}

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

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

.avantages-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.avantages-text .section-badge {
    margin-bottom: 12px;
}

.avantages-text h2 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 40px;
    color: var(--text-dark);
}

.avantage-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.avantage-icon {
    width: 50px;
    height: 50px;
    background: rgba(3, 157, 195, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.avantage-icon i {
    font-size: 1.2rem;
    color: var(--secondary);
}

.avantage-content h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-dark);
}

.avantage-content p {
    font-size: 0.95rem;
    color: var(--text-medium);
    line-height: 1.6;
}

.avantages-visual {
    display: flex;
    justify-content: center;
}

.visual-card {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 40px;
    width: 100%;
    max-width: 400px;
}

.visual-header {
    text-align: center;
    margin-bottom: 30px;
}

.visual-logo {
    height: 60px;
    width: auto;
}

.visual-stats {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.visual-stat {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--white);
    padding: 14px 18px;
    border-radius: var(--radius-sm);
}

.visual-stat i {
    color: var(--secondary);
    font-size: 1.1rem;
}

.visual-stat span {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-dark);
}

/* Tarifs Section */
.tarifs {
    padding: 100px 0;
    background: var(--bg-light);
}

.tarifs-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.tarifs-grid .tarif-card {
    flex: 0 1 350px;
}

.tarif-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    border: 2px solid transparent;
}

.tarif-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.tarif-card.popular {
    border-color: var(--secondary);
    transform: scale(1.05);
}

.tarif-card.popular:hover {
    transform: scale(1.05) translateY(-8px);
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--secondary);
    color: var(--white);
    padding: 6px 20px;
    border-radius: var(--radius-xl);
    font-size: 0.8rem;
    font-weight: 600;
}

.tarif-header h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-dark);
}

.tarif-header p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 24px;
}

.tarif-price {
    margin-bottom: 30px;
}

.tarif-price .price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
}

.tarif-price .period {
    font-size: 1rem;
    color: var(--text-light);
}

.tarif-features {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
}

.tarif-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 0.9rem;
    color: var(--text-medium);
    border-bottom: 1px solid var(--bg-lighter);
}

.tarif-features li:last-child {
    border-bottom: none;
}

.tarif-features li i {
    font-size: 0.85rem;
}

.tarif-features li .fa-check {
    color: var(--secondary);
}

.tarif-features li .fa-times {
    color: #cbd5e0;
}

.tarif-features li.disabled {
    color: #cbd5e0;
}

.btn-outline-tarif {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
    width: 100%;
    justify-content: center;
}

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

.btn-primary-tarif {
    background: var(--secondary);
    color: var(--white);
    width: 100%;
    justify-content: center;
}

.btn-primary-tarif:hover {
    background: var(--secondary-light);
}

/* CTA Section */
.cta {
    padding: 100px 0;
    background: var(--gradient-primary);
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.3rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 16px;
}

.cta-content > p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.85);
    margin-bottom: 40px;
}

.cta-form {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 8px;
    box-shadow: var(--shadow-xl);
}

.form-row {
    display: flex;
    gap: 8px;
}

.cta-form input {
    flex: 1;
    padding: 16px 20px;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-family: inherit;
    background: var(--bg-light);
}

.cta-form input:focus {
    outline: none;
    background: var(--bg-lighter);
}

.btn-cta {
    background: var(--secondary);
    color: var(--white);
    white-space: nowrap;
    padding: 16px 28px;
}

.btn-cta:hover {
    background: var(--secondary-light);
}

.cta-note {
    margin-top: 20px;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.contact-info > p {
    color: var(--text-medium);
    margin-bottom: 40px;
}

.contact-items {
    margin-bottom: 40px;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: rgba(3, 157, 195, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon i {
    font-size: 1.2rem;
    color: var(--secondary);
}

.contact-item h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-dark);
}

.contact-item p {
    font-size: 0.95rem;
    color: var(--text-medium);
}

.contact-social {
    display: flex;
    gap: 12px;
}

.contact-social a {
    width: 44px;
    height: 44px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-medium);
    transition: var(--transition);
}

.contact-social a:hover {
    background: var(--secondary);
    color: var(--white);
}

.contact-form {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    padding: 40px;
}

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

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--bg-lighter);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: inherit;
    background: var(--white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary);
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.contact-form .btn {
    margin-top: 10px;
    background: var(--primary);
    color: var(--white);
}

.contact-form .btn:hover {
    background: var(--secondary-dark);
}

/* Footer */
.footer {
    background: var(--primary);
    color: var(--white);
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-logo {
    height: 50px;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
    margin-bottom: 20px;
    line-height: 1.7;
}

.footer-badges {
    display: flex;
    gap: 12px;
}

.footer-badges span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.1);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
}

.footer-links h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
}

.footer-bottom i {
    color: var(--secondary);
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        display: none;
    }
    
    .concept-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid,
    .tranches-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tarifs-grid {
        flex-direction: column;
        align-items: center;
    }
    
    .tarif-card.popular {
        transform: none;
    }
    
    .avantages-content {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links, .btn-nav {
        display: none;
    }
    
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        padding: 20px;
        box-shadow: var(--shadow-md);
    }
    
    .nav-toggle {
        display: block;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-text h1 {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .workflow-steps {
        flex-direction: column;
        align-items: center;
    }
    
    .workflow-connector {
        transform: rotate(90deg);
        padding: 20px 0;
    }
    
    .features-grid,
    .tranches-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 1.7rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .concept-features {
        grid-template-columns: 1fr;
    }
    
    .form-row-2 {
        grid-template-columns: 1fr;
    }
}