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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Boutons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-outline {
    background: transparent;
    color: #3b82f6;
    border: 2px solid #3b82f6;
}

.btn-outline:hover {
    background: #3b82f6;
    color: white;
}

.btn-ghost {
    background: transparent;
    color: #374151;
}

.btn-ghost:hover {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #dbeafe 0%, #ffffff 50%, #f3e8ff 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: 2rem 1rem;
}

.floating-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    mix-blend-mode: multiply;
    filter: blur(2rem);
    opacity: 0.7;
    aspect-ratio: 1;
}

.shape-1 {
    width: 12rem;
    height: 12rem;
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    top: 10%;
    left: 15%;
    animation: float 8s ease-in-out infinite;
}

.shape-2 {
    width: 9rem;
    height: 9rem;
    background: linear-gradient(135deg, #06b6d4, #0891b2);
    bottom: 20%;
    right: 25%;
    animation: float 10s ease-in-out infinite reverse;
}

.shape-3 {
    width: 10rem;
    height: 10rem;
    background: linear-gradient(135deg, #10b981, #059669);
    top: 50%;
    left: 50%;
    animation: float 12s ease-in-out infinite;
}

.shape-4 {
    width: 8rem;
    height: 8rem;
    background: linear-gradient(135deg, #f97316, #ea580c);
    top: 20%;
    right: 15%;
    animation: float 9s ease-in-out infinite;
}

.shape-5 {
    width: 11rem;
    height: 11rem;
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    bottom: 25%;
    left: 10%;
    animation: float 11s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-30px, -30px) scale(1.1); }
    66% { transform: translate(30px, 30px) scale(1.05); }
}

.nav {
    position: absolute;
    top: 2rem;
    right: 2rem;
    display: flex;
    gap: 1rem;
    z-index: 20;
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 56rem;
    width: 100%;
    padding: 0 1rem;
    margin-top: auto;
    margin-bottom: auto;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6, #1e40af);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% 200%;
    animation: gradient 3s ease infinite;
    line-height: 1.1;
}

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

.hero-subtitle {
    font-size: clamp(1.1rem, 3vw, 1.75rem);
    margin-bottom: 2.5rem;
    color: #4b5563;
    font-weight: 400;
    line-height: 1.4;
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    align-items: center;
}

/* Sections communes */
.section-title {
    font-size: 2.75rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3.5rem;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Features Section */
.features {
    padding: 5rem 0;
    background: linear-gradient(to bottom, #ffffff, #f9fafb);
}
    padding: 5rem 0;
    background: linear-gradient(to bottom, #ffffff, #f9fafb);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.feature-card {
    background: white;
    padding: 2.5rem;
    border-radius: 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid #e5e7eb;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(139, 92, 246, 0.05));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 50px rgba(59, 130, 246, 0.2);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 4rem;
    height: 4rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
    margin-left: auto;
    margin-right: auto;
}

.feature-icon svg {
    width: 2rem;
    height: 2rem;
    color: white;
    stroke-width: 2;
}

.feature-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
    position: relative;
    z-index: 1;
}

.feature-card p {
    color: #6b7280;
    position: relative;
    z-index: 1;
    font-size: 1rem;
    line-height: 1.6;
}

/* Target Section */
.target {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f9fafb 0%, #dbeafe 50%, #e0e7ff 100%);
}

.target-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.target-card {
    background: white;
    padding: 2.5rem;
    border-radius: 1.5rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.4s ease;
    border: 1px solid #e5e7eb;
}

.target-card:hover {
    transform: translateY(-8px) scale(1.03);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.target-icon {
    width: 3.5rem;
    height: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #06b6d4, #0891b2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.3);
    margin-left: auto;
    margin-right: auto;
}

.target-icon svg {
    width: 1.8rem;
    height: 1.8rem;
    color: white;
    stroke-width: 2;
}

.target-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

.target-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* Newsletter Section */
.newsletter {
    padding: 6rem 0;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
    text-align: center;
}

.newsletter-content h2 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.newsletter-content p {
    font-size: 1.3rem;
    margin-bottom: 3rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.form-group input {
    flex: 1;
    min-width: 200px;
    padding: 1rem;
    border: none;
    border-radius: 0.75rem;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.9);
    color: #1f2937;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    background: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.form-group input::placeholder {
    color: #6b7280;
}

.newsletter-privacy {
    margin-top: 1.5rem;
    opacity: 0.8;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 3rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-brand p {
    color: #9ca3af;
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #3b82f6;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav {
        top: 1.5rem;
        right: 1.5rem;
        gap: 0.75rem;
    }
    
    .nav .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .hero-content {
        max-width: 90%;
    }
    
    .shape-1, .shape-2, .shape-3, .shape-4, .shape-5 {
        opacity: 0.5;
    }
    
    .shape-1 { width: 10rem; height: 10rem; }
    .shape-2 { width: 7rem; height: 7rem; }
    .shape-3 { width: 8rem; height: 8rem; }
    .shape-4 { width: 6rem; height: 6rem; }
    .shape-5 { width: 9rem; height: 9rem; }
}

@media (max-width: 768px) {
    .hero {
        min-height: 100vh;
        padding: 1rem;
        justify-content: space-between;
    }
    
    .nav {
        position: static;
        width: 100%;
        justify-content: center;
        margin: 0;
        padding: 1rem 0;
        flex-shrink: 0;
    }
    
    .nav .btn {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }
    
    .hero-content {
        max-width: 100%;
        padding: 0;
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
        margin: 0;
    }
    
    .hero-title {
        margin-bottom: 1rem;
        line-height: 1.1;
    }
    
    .hero-subtitle {
        margin-bottom: 2rem;
        line-height: 1.4;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .features-grid,
    .target-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .form-group input {
        min-width: auto;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }

    .newsletter-content h2 {
        font-size: 2.2rem;
    }

    .newsletter-content p {
        font-size: 1.1rem;
    }
    
    /* Ajustement des formes flottantes sur mobile */
    .shape-1 { width: 6rem; height: 6rem; top: 5%; left: 10%; }
    .shape-2 { width: 5rem; height: 5rem; bottom: 15%; right: 15%; }
    .shape-3 { width: 5.5rem; height: 5.5rem; top: 60%; left: 60%; }
    .shape-4 { width: 4rem; height: 4rem; top: 15%; right: 10%; }
    .shape-5 { width: 6rem; height: 6rem; bottom: 30%; left: 5%; }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 0.5rem;
    }
    
    .nav {
        margin-bottom: 1.5rem;
    }
    
    .nav .btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
    
    .hero-content {
        padding: 0 0.5rem;
    }
    
    .hero-subtitle {
        margin-bottom: 1.5rem;
    }
    
    .hero-actions .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .section-title {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }
    
    .feature-card,
    .target-card {
        padding: 2rem 1.5rem;
    }
    
    .newsletter-content h2 {
        font-size: 1.8rem;
    }
    
    .newsletter-content p {
        font-size: 1rem;
    }
    
    /* Formes encore plus petites sur très petits écrans */
    .shape-1 { width: 4rem; height: 4rem; }
    .shape-2 { width: 3rem; height: 3rem; }
    .shape-3 { width: 3.5rem; height: 3.5rem; }
    .shape-4 { width: 2.5rem; height: 2.5rem; }
    .shape-5 { width: 4rem; height: 4rem; }
}

@media (max-width: 360px) {
    .hero-actions .btn {
        width: 100%;
        max-width: none;
        margin: 0;
    }
    
    .feature-card,
    .target-card {
        padding: 1.5rem 1rem;
    }
    
    .nav .btn {
        font-size: 0.75rem;
        padding: 0.4rem 0.6rem;
    }
}

/* Améliorations d'accessibilité */
@media (prefers-reduced-motion: reduce) {
    .shape,
    .hero-title {
        animation: none;
    }
    
    .feature-card:hover,
    .target-card:hover,
    .btn:hover {
        transform: none;
    }
}

/* Styles pour les interactions au clavier */
.btn:focus,
input:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* Animations d'entrée */
.features,
.target,
.newsletter {
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.8s ease forwards;
}

.features { animation-delay: 0.1s; }
.target { animation-delay: 0.2s; }
.newsletter { animation-delay: 0.3s; }

@keyframes slideUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
    padding: 4rem 0;
    background: linear-gradient(to bottom, #ffffff, #f9fafb);
}

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

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 1.5rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid #e5e7eb;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    padding: 1rem;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
    position: relative;
    z-index: 1;
}

.feature-card p {
    color: #6b7280;
    position: relative;
    z-index: 1;
}

/* Target Section */
.target {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f9fafb 0%, #dbeafe 50%, #e0e7ff 100%);
}

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

.target-card {
    background: white;
    padding: 2rem;
    border-radius: 1.5rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.target-card:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.target-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #06b6d4, #0891b2);
    padding: 0.75rem;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.target-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #1f2937;
}

/* Demo Section */
.demo {
    padding: 5rem 0;
    background: linear-gradient(135deg, #dbeafe 0%, #ffffff 50%, #f3e8ff 100%);
}

.demo-mockup {
    max-width: 600px;
    margin: 0 auto;
}

.mockup-window {
    background: linear-gradient(135deg, #ffffff, #dbeafe);
    border-radius: 2rem;
    border: 2px solid #3b82f6;
    box-shadow: 0 25px 50px rgba(59, 130, 246, 0.2);
    overflow: hidden;
    position: relative;
    min-height: 500px;
}

.demo-content {
    background: linear-gradient(135deg, #dbeafe, #f3e8ff);
    padding: 4rem 2rem;
    position: relative;
    text-align: center;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.demo-decorations {
    position: absolute;
    inset: 0;
}

.deco {
    position: absolute;
    border-radius: 50%;
    opacity: 0.2;
}

.deco-1 {
    width: 2rem;
    height: 2rem;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    top: 1rem;
    left: 1rem;
    animation: float 6s ease-in-out infinite;
}

.deco-2 {
    width: 1.5rem;
    height: 1.5rem;
    background: linear-gradient(135deg, #10b981, #059669);
    bottom: 1rem;
    right: 1rem;
    animation: float 8s ease-in-out infinite reverse;
}

.deco-3 {
    width: 1rem;
    height: 1rem;
    background: linear-gradient(135deg, #f59e0b, #d97706);
    top: 2rem;
    right: 2rem;
    animation: float 7s ease-in-out infinite;
}

.demo-placeholder {
    position: relative;
    z-index: 10;
    background: rgba(255, 255, 255, 0.8);
    padding: 3rem 2rem;
    border-radius: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.demo-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.3);
}

.demo-placeholder p {
    font-size: 1.125rem;
    font-style: italic;
    color: #4b5563;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* FAQ Section */
.faq {
    padding: 4rem 0;
    background: linear-gradient(to bottom, #ffffff, #f9fafb);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    border-radius: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s ease;
    border: 1px solid;
}

.faq-item:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

/* Couleurs spécifiques pour chaque FAQ */
.faq-blue {
    background: linear-gradient(135deg, #dbeafe, #e0f2fe);
    border-color: #3b82f6;
}

.faq-green {
    background: linear-gradient(135deg, #d1fae5, #dcfce7);
    border-color: #10b981;
}

.faq-purple {
    background: linear-gradient(135deg, #f3e8ff, #fae8ff);
    border-color: #8b5cf6;
}

.faq-orange {
    background: linear-gradient(135deg, #fed7aa, #fef3c7);
    border-color: #f59e0b;
}

.faq-teal {
    background: linear-gradient(135deg, #ccfbf1, #d1fae5);
    border-color: #14b8a6;
}

.faq-question {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    color: #1f2937;
    transition: all 0.3s ease;
}

.faq-blue .faq-question:hover {
    background: rgba(59, 130, 246, 0.1);
}

.faq-green .faq-question:hover {
    background: rgba(16, 185, 129, 0.1);
}

.faq-purple .faq-question:hover {
    background: rgba(139, 92, 246, 0.1);
}

.faq-orange .faq-question:hover {
    background: rgba(245, 158, 11, 0.1);
}

.faq-teal .faq-question:hover {
    background: rgba(20, 184, 166, 0.1);
}

.faq-icon {
    margin-right: 1rem;
    font-size: 1.25rem;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.8);
    flex-shrink: 0;
}

.faq-question span:nth-child(2) {
    flex: 1;
}

.faq-toggle {
    margin-left: auto;
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform 0.3s ease;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.8);
    flex-shrink: 0;
}

.faq-answer {
    padding: 0 1.5rem 1.5rem;
    color: #4b5563;
    display: none;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 0 0 1.5rem 1.5rem;
    line-height: 1.6;
}

.faq-item.active .faq-answer {
    display: block;
    animation: slideDown 0.3s ease-out;
}

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

@keyframes slideDown {
    from { 
        opacity: 0; 
        transform: translateY(-10px); 
        max-height: 0;
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
        max-height: 200px;
    }
}

/* Newsletter Section */
.newsletter {
    padding: 5rem 0;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
    text-align: center;
}

.newsletter-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.newsletter-content p {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.newsletter-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.form-group input {
    flex: 1;
    min-width: 200px;
    padding: 1rem;
    border: none;
    border-radius: 0.75rem;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.9);
    color: #1f2937;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    background: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.form-group input::placeholder {
    color: #6b7280;
}

.newsletter-privacy {
    margin-top: 1.5rem;
    opacity: 0.8;
}

/* Footer */
.footer {
    background: #1f2937;
    color: white;
    padding: 3rem 0 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.footer-brand p {
    color: #9ca3af;
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: #d1d5db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #3b82f6;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 2rem;
    text-align: center;
    color: #9ca3af;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid,
    .target-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .form-group {
        flex-direction: column;
    }
    
    .form-group input {
        min-width: auto;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .nav {
        position: static;
        justify-content: center;
        margin-bottom: 2rem;
    }
    
    .testimonials-slider {
        animation-duration: 15s;
    }
    
    .testimonial {
        min-width: 280px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        min-height: 70vh;
        padding: 2rem 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .feature-card,
    .target-card {
        padding: 1.5rem;
    }
    
    .demo-content {
        padding: 2rem 1rem;
    }
    
    .newsletter-content h2 {
        font-size: 2rem;
    }
    
    .newsletter-content p {
        font-size: 1.1rem;
    }
}

/* Améliorations d'accessibilité */
@media (prefers-reduced-motion: reduce) {
    .shape,
    .testimonials-slider,
    .hero-title {
        animation: none;
    }
    
    .feature-card:hover,
    .target-card:hover,
    .btn:hover {
        transform: none;
    }
}

/* Mode sombre (si nécessaire) */
@media (prefers-color-scheme: dark) {
    /* Optionnel : ajoutez des styles pour le mode sombre */
}

/* Styles pour les interactions au clavier */
.btn:focus,
.faq-question:focus,
input:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* Animations d'entrée pour les sections */
.features,
.target,
.demo,
.testimonials,
.faq,
.newsletter {
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.8s ease forwards;
}

.features { animation-delay: 0.1s; }
.target { animation-delay: 0.2s; }
.demo { animation-delay: 0.3s; }
.testimonials { animation-delay: 0.4s; }
.faq { animation-delay: 0.5s; }
.newsletter { animation-delay: 0.6s; }

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

/* États de chargement */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #3b82f6;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

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