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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #e2e8f0;
    background: #0f172a;
    overflow-x: hidden;
}

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

/* Header moderne sombre */
.header {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(51, 65, 85, 0.3);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
}

.navbar-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.navbar-brand h1 {
    color: #f1f5f9;
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #06b6d4 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.2rem;
}

.brand-slogan {
    color: #94a3b8;
    font-size: 0.85rem;
    font-weight: 500;
    font-style: italic;
    margin: 0;
    line-height: 1;
}

.navbar-nav {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.navbar-nav a {
    color: #cbd5e1;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
}

.navbar-nav a.active {
    color: #f1f5f9;
}

.navbar-nav a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    transition: width 0.3s ease;
}

.navbar-nav a:hover,
.navbar-nav a.active {
    color: #f1f5f9;
}

.navbar-nav a:hover::after,
.navbar-nav a.active::after {
    width: 100%;
}

/* Hero Section */
.hero-section {
    background: radial-gradient(ellipse at top, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
                linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    padding: 6rem 0;
    text-align: center;
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #f1f5f9 0%, #cbd5e1 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    color: #94a3b8;
    font-weight: 400;
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    position: relative;
    z-index: 1;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: #3b82f6;
    display: block;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #94a3b8;
    font-size: 0.95rem;
    font-weight: 500;
}

/* Section Title */
.section-title {
    text-align: center;
    font-size: 2.75rem;
    font-weight: 800;
    color: #f1f5f9;
    margin-bottom: 4rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    border-radius: 2px;
}

/* Benefits Section */
.benefits-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 2rem;
}

.benefit-card {
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 2.5rem;
    border: 1px solid rgba(51, 65, 85, 0.3);
    text-align: center;
    position: relative;
    transition: all 0.4s ease;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.05), transparent);
    transition: left 0.6s ease;
}

.benefit-card:hover::before {
    left: 100%;
}

.benefit-card:hover {
    border-color: rgba(59, 130, 246, 0.4);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    background: rgba(30, 41, 59, 0.8);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.benefit-title {
    color: #f1f5f9;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.benefit-description {
    color: #cbd5e1;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.benefit-details ul {
    list-style: none;
    text-align: left;
    padding: 1.5rem;
    background: rgba(15, 23, 42, 0.5);
    border-radius: 12px;
    border: 1px solid rgba(51, 65, 85, 0.3);
}

.benefit-details li {
    color: #94a3b8;
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.benefit-details li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
}

/* Requirements Section */
.requirements-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
}

.requirements-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.requirements-text h3 {
    color: #f1f5f9;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 2rem;
}

.requirements-list {
    list-style: none;
    gap: 1rem;
    display: flex;
    flex-direction: column;
}

.requirements-list li {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: #cbd5e1;
    font-size: 1.1rem;
    padding: 1rem 0;
}

.req-icon {
    color: #10b981;
    font-size: 1.2rem;
    font-weight: bold;
}

.requirements-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-placeholder {
    width: 250px;
    height: 250px;
    background: rgba(30, 41, 59, 0.6);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(51, 65, 85, 0.3);
    backdrop-filter: blur(20px);
}

.image-placeholder span {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.image-placeholder p {
    color: #94a3b8;
    font-weight: 500;
}

/* Process Section */
.process-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
}

.process-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, #3b82f6, #8b5cf6);
}

.timeline-item {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    color: white;
    font-size: 1.5rem;
    font-weight: 800;
    border-radius: 50%;
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
    position: relative;
    z-index: 1;
}

.timeline-content {
    flex: 1;
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid rgba(51, 65, 85, 0.3);
}

.timeline-title {
    color: #f1f5f9;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.timeline-description {
    color: #cbd5e1;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.timeline-duration {
    color: #3b82f6;
    font-size: 0.9rem;
    font-weight: 600;
    background: rgba(59, 130, 246, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    display: inline-block;
}

/* Pricing Section */
.pricing-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 3rem;
}

.pricing-card {
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 3rem;
    border: 1px solid rgba(51, 65, 85, 0.3);
    text-align: center;
    position: relative;
    transition: all 0.4s ease;
}

.pricing-card.recommended {
    border: 2px solid #3b82f6;
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
}

.pricing-header {
    margin-bottom: 2rem;
}

.pricing-title {
    color: #f1f5f9;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.pricing-badge {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-block;
}

.pricing-price {
    margin-bottom: 2rem;
}

.price-amount {
    font-size: 3rem;
    font-weight: 900;
    color: #3b82f6;
    display: block;
}

.price-period {
    color: #94a3b8;
    font-size: 1rem;
    font-weight: 500;
}

.pricing-features ul {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
}

.pricing-features li {
    color: #cbd5e1;
    padding: 0.75rem 0;
    position: relative;
    padding-left: 2rem;
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: bold;
    font-size: 1.1rem;
}

/* Registration Section */
.registration-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
}

.registration-form-container {
    max-width: 800px;
    margin: 0 auto;
}

.registration-form {
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 3rem;
    border: 1px solid rgba(51, 65, 85, 0.3);
}

.form-section {
    margin-bottom: 3rem;
}

.form-section-title {
    color: #f1f5f9;
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(51, 65, 85, 0.3);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    color: #cbd5e1;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 16px 20px;
    background: rgba(15, 23, 42, 0.8);
    border: 2px solid rgba(51, 65, 85, 0.5);
    border-radius: 12px;
    color: #f1f5f9;
    font-size: 1rem;
    transition: all 0.3s ease;
    outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: #64748b;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background: rgba(15, 23, 42, 0.9);
}

.specialties-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.specialty-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: rgba(15, 23, 42, 0.5);
    border-radius: 8px;
    border: 1px solid rgba(51, 65, 85, 0.3);
    transition: all 0.3s ease;
}

.specialty-item:hover {
    background: rgba(15, 23, 42, 0.8);
}

.specialty-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #3b82f6;
}

.specialty-item label {
    color: #cbd5e1;
    font-size: 0.95rem;
    cursor: pointer;
    margin: 0;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #3b82f6;
}

.checkbox-group label {
    color: #cbd5e1;
    font-size: 0.95rem;
    cursor: pointer;
    margin: 0;
}

.form-submit {
    text-align: center;
    margin-top: 2rem;
}

/* Boutons */
.btn {
    padding: 14px 28px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.4);
}

.btn-secondary {
    background: rgba(51, 65, 85, 0.8);
    color: #cbd5e1;
    border: 1px solid rgba(71, 85, 105, 0.5);
}

.btn-secondary:hover {
    background: rgba(71, 85, 105, 0.8);
    color: #f1f5f9;
}

/* Footer moderne */
.footer {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    color: #94a3b8;
    text-align: center;
    padding: 3rem 0;
    margin-top: 2rem;
    border-top: 1px solid rgba(51, 65, 85, 0.3);
}

/* Responsive design */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1.5rem;
        padding: 1rem 0;
    }
    
    .navbar-brand {
        align-items: center;
        text-align: center;
    }
    
    .brand-slogan {
        font-size: 0.8rem;
    }
    
    .navbar-nav {
        gap: 1.5rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-section {
        padding: 4rem 0;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 2rem;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .requirements-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .process-timeline::before {
        left: 15px;
    }
    
    .timeline-number {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .specialties-grid {
        grid-template-columns: 1fr;
    }
    
    .registration-form {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .benefit-card,
    .pricing-card {
        padding: 2rem;
    }
    
    .timeline-item {
        gap: 1rem;
    }
    
    .timeline-content {
        padding: 1.5rem;
    }
    
    .registration-form {
        padding: 1.5rem;
    }
}

/* Scrollbar personnalisée */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1e293b;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #2563eb, #7c3aed);
}