/* Design moderne et centré pour le formulaire CARI */
:root {
    --primary-blue: #4f46e5;
    --secondary-blue: #6366f1;
    --light-blue: #e0e7ff;
    --success-green: #10b981;
    --error-red: #ef4444;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f8fafc;
    --white: #ffffff;
    --border: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 900px;
    width: 95%;
    margin: 0 auto;
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow: hidden;
}

/* Header moderne */
.header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 40px;
    text-align: center;
    position: relative;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #06b6d4, #3b82f6, #8b5cf6);
}

/* Main content centré */
.main {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 30px;
}

.hero {
    text-align: center;
    margin-bottom: 40px;
}

.hero h1 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
    letter-spacing: -0.02em;
}

.event-info {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 30px;
    border-radius: 16px;
    margin-bottom: 30px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.important-notice {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border: 1px solid #f59e0b;
    border-radius: 16px;
    padding: 25px;
    margin: 30px 0;
    border-left: 4px solid #f59e0b;
    box-shadow: var(--shadow);
}

/* Messages */
.success-message {
    background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
    border: 1px solid var(--success-green);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 30px;
    text-align: center;
    border-left: 4px solid var(--success-green);
    box-shadow: var(--shadow);
}

.error-message {
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border: 1px solid var(--error-red);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 25px;
    text-align: center;
    border-left: 4px solid var(--error-red);
    box-shadow: var(--shadow);
}

/* Formulaire moderne */
.booking-form {
    max-width: 100%;
}

.form-section {
    background: var(--white);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 25px;
    border: 2px solid var(--light-blue);
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
}

.form-section:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.form-section h3 {
    color: var(--primary-blue);
    margin-bottom: 25px;
    font-size: 1.4rem;
    font-weight: 600;
    border-bottom: 3px solid var(--primary-blue);
    padding-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 1rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--white);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
    transform: translateY(-1px);
}

.form-group select:disabled {
    background-color: #f9fafb;
    cursor: not-allowed;
    opacity: 0.6;
}

/* Radio buttons modernes */
.radio-group {
    display: flex;
    gap: 15px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.radio-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
    margin-bottom: 0;
    padding: 12px 20px;
    border: 2px solid var(--border);
    border-radius: 12px;
    transition: all 0.3s ease;
    background: var(--white);
    min-width: 120px;
    justify-content: center;
}

.radio-label:hover {
    border-color: var(--primary-blue);
    background: var(--light-blue);
    transform: translateY(-2px);
}

.radio-label input[type="radio"]:checked + span {
    color: var(--primary-blue);
    font-weight: 700;
}

.radio-label input[type="radio"] {
    margin-right: 10px;
    transform: scale(1.3);
    accent-color: var(--primary-blue);
}

/* Consentement */
.consent-group {
    background: var(--light-blue);
    padding: 25px;
    border-radius: 16px;
    border: 2px solid var(--primary-blue);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    font-weight: normal;
}

.checkbox-label input[type="checkbox"] {
    margin-right: 15px;
    transform: scale(1.4);
    accent-color: var(--primary-blue);
    margin-top: 6px;
    flex-shrink: 0;
}

/* Boutons modernes */
.btn {
    display: inline-block;
    padding: 16px 32px;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.btn-large {
    font-size: 1.3rem;
    padding: 18px 40px;
    font-weight: 700;
    width: 100%;
}

.form-actions {
    text-align: center;
    margin-top: 40px;
}

/* Footer */
.footer {
    background: var(--bg-light);
    padding: 30px;
    text-align: center;
    color: var(--text-light);
    border-top: 1px solid var(--border);
}

.footer a {
    color: var(--primary-blue);
    text-decoration: none;
    font-weight: 600;
}

.footer a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .container {
        width: 98%;
        border-radius: 16px;
    }
    
    .main {
        padding: 25px 20px;
    }
    
    .header {
        padding: 25px;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .radio-group {
        flex-direction: column;
        gap: 12px;
    }
    
    .form-section {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.6rem;
    }
    
    .form-section {
        padding: 15px;
    }
    
    .btn-large {
        font-size: 1.1rem;
        padding: 16px 24px;
    }
}

/* Animations */
@keyframes slideInUp {
    from { 
        opacity: 0; 
        transform: translateY(30px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

.form-section {
    animation: slideInUp 0.6s ease forwards;
}

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

.hero {
    animation: slideInUp 0.8s ease forwards;
}