/* ========================================
   Variables CSS et Configuration Globale
   ======================================== */
:root {
    /* Couleurs principales */
    --primary-color: #0066CC;
    --primary-dark: #004C99;
    --secondary-color: #00C853;
    --danger-color: #DC3545;
    --warning-color: #FFC107;
    
    /* Couleurs de fond */
    --bg-light: #F8F9FA;
    --bg-white: #FFFFFF;
    --bg-dark: #212529;
    
    /* Couleurs de texte */
    --text-primary: #212529;
    --text-secondary: #6C757D;
    --text-light: #ADB5BD;
    
    /* Espacement */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Bordures */
    --border-radius: 0.5rem;
    --border-color: #DEE2E6;
    
    /* Ombres */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 20px rgba(0,0,0,0.15);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

/* ========================================
   Reset et Styles de Base
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--bg-white);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero-title .highlight {
    color: var(--secondary-color);
    text-decoration: underline;
    text-decoration-thickness: 3px;
    text-underline-offset: 4px;
}

.hero-subtitle {
    font-size: 1rem;
    opacity: 0.95;
    margin-bottom: var(--spacing-lg);
    font-weight: 400;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    padding: 0.75rem 1.25rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(255,255,255,0.2);
}

.badge-icon {
    width: 20px;
    height: 20px;
}

/* ========================================
   Section Anti-Arnaque
   ======================================== */
.anti-scam {
    background: var(--danger-color);
    color: var(--bg-white);
    padding: var(--spacing-lg) 0;
}

.section-title {
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.scam-warning {
    max-width: 700px;
    margin: 0 auto;
    background: rgba(255,255,255,0.1);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 2px solid rgba(255,255,255,0.3);
}

.scam-warning p {
    margin-bottom: var(--spacing-sm);
}

.scam-list {
    list-style: none;
    margin: var(--spacing-sm) 0;
    padding-left: 0;
}

.scam-list li {
    padding: 0.5rem 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.scam-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255,255,255,0.3);
}

.info-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

/* ========================================
   Comment Ça Marche
   ======================================== */
.how-it-works {
    background: var(--bg-white);
    padding: var(--spacing-xl) 0;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.step {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.step:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-sm);
    background: var(--primary-color);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.step h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.step p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ========================================
   Formulaire d'Éligibilité
   ======================================== */
.form-section {
    background: var(--bg-light);
    padding: var(--spacing-xl) 0;
}

.form-intro {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
}

.eligibility-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0,102,204,0.1);
}

.checkbox-group {
    margin: var(--spacing-lg) 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-weight: 400;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    cursor: pointer;
}

.checkbox-label span {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.checkbox-label a {
    color: var(--primary-color);
    text-decoration: underline;
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    background: var(--secondary-color);
    color: var(--bg-white);
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-submit:hover {
    background: #00A843;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-submit:active {
    transform: translateY(0);
}

.btn-submit:disabled {
    background: var(--text-light);
    cursor: not-allowed;
    transform: none;
}

.btn-loader .spinner {
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

.spinner-circle {
    stroke-dasharray: 63;
    stroke-dashoffset: 20;
    animation: dash 1.5s ease-in-out infinite;
}

@keyframes spin {
    100% { transform: rotate(360deg); }
}

@keyframes dash {
    0% { stroke-dashoffset: 63; }
    50% { stroke-dashoffset: 15; }
    100% { stroke-dashoffset: 63; }
}

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    font-weight: 600;
}

.form-message.success {
    background: #D4EDDA;
    color: #155724;
    border: 1px solid #C3E6CB;
}

.form-message.error {
    background: #F8D7DA;
    color: #721C24;
    border: 1px solid #F5C6CB;
}

/* ========================================
   Garanties
   ======================================== */
.guarantees {
    background: var(--bg-white);
    padding: var(--spacing-xl) 0;
}

.guarantee-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.guarantee-card {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.guarantee-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.guarantee-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.guarantee-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.guarantee-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ========================================
   FAQ
   ======================================== */
.faq {
    background: var(--bg-light);
    padding: var(--spacing-xl) 0;
}

.faq-list {
    max-width: 800px;
    margin: var(--spacing-lg) auto 0;
}

.faq-item {
    background: var(--bg-white);
    margin-bottom: var(--spacing-sm);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-md);
    background: var(--bg-white);
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--bg-light);
}

.faq-icon {
    width: 24px;
    height: 24px;
    transition: var(--transition);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 var(--spacing-md);
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: var(--spacing-md);
    padding-top: 0;
}

.faq-answer p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.faq-answer ul {
    margin-left: var(--spacing-md);
    color: var(--text-secondary);
}

.faq-answer a {
    color: var(--primary-color);
    text-decoration: underline;
}

/* ========================================
   Mentions Légales
   ======================================== */
.legal {
    background: var(--bg-white);
    padding: var(--spacing-xl) 0;
}

.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h3 {
    font-size: 1.25rem;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.legal-content p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.legal-content ul {
    margin-left: var(--spacing-md);
    color: var(--text-secondary);
}

.legal-content a {
    color: var(--primary-color);
    text-decoration: underline;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--bg-dark);
    color: var(--text-light);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer p {
    margin-bottom: var(--spacing-xs);
}

.footer-disclaimer {
    font-size: 0.85rem;
    opacity: 0.7;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .guarantee-grid {
        grid-template-columns: 1fr;
    }
    
    .eligibility-form {
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-lg: 1.5rem;
    }
    
    .hero-title {
        font-size: 1.25rem;
    }
    
    .badge {
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
    }
    
    .btn-submit {
        font-size: 1rem;
    }
}