/* ==========================================
   ALTER&GO - Charte Graphique Certibiocide
   ========================================== */

:root {
    /* Couleurs principales */
    --primary-green: #2d5f3f;
    --secondary-green: #4a7c59;
    --light-green: #8bc34a;
    --accent-yellow: #f5a623;
    --accent-mint: #d4ede4;
    --accent-blue: #2196F3;
    
    /* Couleurs neutres */
    --dark-text: #2d3e3f;
    --light-bg: #f8f9f5;
    --white: #ffffff;
    --gray-light: #e8ebe7;
    --gray-medium: #9ca3a0;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(45, 95, 63, 0.08);
    --shadow-md: 0 4px 16px rgba(45, 95, 63, 0.12);
    --shadow-lg: 0 8px 32px rgba(45, 95, 63, 0.16);
}

/* ==========================================
   Reset & Base Styles
   ========================================== */

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

body {
    font-family: var(--font-primary);
    color: var(--dark-text);
    background-color: var(--light-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ==========================================
   Container & Layout
   ========================================== */

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

/* ==========================================
   Header
   ========================================== */

.header {
    padding: var(--spacing-md) 0;
    background: var(--white);
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: inherit;
    transition: opacity 0.3s ease;
}

.logo-link:hover {
    opacity: 0.8;
}

.logo-img {
    max-height: 60px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo-link:hover .logo-img {
    transform: scale(1.05);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo h1 {
    color: var(--primary-green);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.logo-url {
    margin: 0;
    font-size: 0.875rem;
    color: var(--gray-medium);
}

.logo-partner {
    display: flex;
    align-items: center;
}

.logo-partner .logo-link {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
    color: inherit;
    transition: opacity 0.3s ease;
}

.logo-partner .logo-link:hover {
    opacity: 0.8;
}

.logo-partner-img {
    max-height: 60px;
    width: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.logo-partner .logo-link:hover .logo-partner-img {
    transform: scale(1.05);
}

.logo-partner .logo-text h1 {
    color: var(--primary-green);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.logo-partner .logo-url {
    margin: 0;
    font-size: 0.875rem;
    color: var(--gray-medium);
}

.header-content {
    position: relative;
}

/* Séparateur entre les logos si les deux sont présents */
/* Séparateur entre les logos si les deux sont présents */
.header-content:has(.logo-partner) .logo-primary {
    position: relative;
}

.header-content:has(.logo-partner) .logo-primary::before {
    content: '';
    position: absolute;
    left: -20px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 40px;
    background: var(--gray-light);
}

/* Fallback pour navigateurs sans support de :has() */
.logo-partner + .logo-primary {
    position: relative;
    padding-left: var(--spacing-md);
}

.logo-partner + .logo-primary::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 40px;
    background: var(--gray-light);
}

/* ==========================================
   Main Content
   ========================================== */

.main-content {
    min-height: calc(100vh - 200px);
    padding: var(--spacing-xl) 0;
}

/* ==========================================
   Introduction Section
   ========================================== */

.intro-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-xl);
}

.intro-content {
    padding-right: var(--spacing-lg);
}

.rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--primary-green);
    color: var(--white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    width: fit-content;
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 500;
}

.stars {
    color: var(--accent-yellow);
}

.intro-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.subtitle {
    font-size: 1.125rem;
    color: var(--dark-text);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.intro-image {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    min-height: 300px;
    background: linear-gradient(135deg, #2d5f3f 0%, #4a7c59 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.intro-image img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

/* ==========================================
   Buttons
   ========================================== */

.btn-primary,
.btn-secondary {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

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

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

.btn-secondary {
    background: var(--white);
    color: var(--primary-green);
    border: 2px solid var(--primary-green);
}

.btn-secondary:hover {
    background: var(--accent-mint);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

/* ==========================================
   Quiz Section
   ========================================== */

.quiz-section {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    max-width: 800px;
    margin: 0 auto;
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--gray-light);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-green), var(--light-green));
    transition: width 0.4s ease;
    border-radius: 10px;
    width: 0%;
}

.progress-text {
    text-align: center;
    color: var(--gray-medium);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-lg);
}

/* Question Container */
.question-container {
    min-height: 350px;
    margin-bottom: var(--spacing-lg);
}

.question {
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.question h2 {
    font-size: 1.75rem;
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.question-description {
    color: var(--gray-medium);
    margin-bottom: var(--spacing-lg);
    font-size: 1rem;
}

/* Options */
.options {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.option {
    background: var(--light-bg);
    border: 2px solid var(--gray-light);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    text-align: left;
    position: relative;
    overflow: hidden;
}

.option:hover {
    border-color: var(--primary-green);
    background: var(--white);
    transform: translateX(4px);
}

.option.selected {
    background: var(--accent-mint);
    border-color: var(--primary-green);
    font-weight: 600;
}

.option.selected::after {
    content: "✓";
    position: absolute;
    right: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-green);
    font-size: 1.5rem;
    font-weight: bold;
}

.option-icon {
    font-size: 1.5rem;
    margin-right: var(--spacing-sm);
    display: inline-block;
}

.option-info {
    font-size: 0.875rem;
    color: var(--gray-medium);
    margin-top: var(--spacing-xs);
    font-style: italic;
}

/* Navigation Buttons */
.navigation-buttons {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.navigation-buttons button {
    flex: 1;
    max-width: 200px;
}

#btnBack {
    margin-right: auto;
}

#btnNext {
    margin-left: auto;
}

/* ==========================================
   Dates Section
   ========================================== */

.dates-section {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    max-width: 900px;
    margin: 0 auto;
}

.dates-section h2 {
    font-size: 2rem;
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.dates-section .subtitle {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.dates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.date-card {
    background: var(--light-bg);
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    transition: all 0.3s ease;
    cursor: pointer;
}

.date-card:hover {
    border-color: var(--primary-green);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.date-card.selected {
    background: var(--accent-mint);
    border-color: var(--primary-green);
}

.date-card h3 {
    color: var(--primary-green);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.date-card .date {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-text);
    margin-bottom: var(--spacing-xs);
}

.date-card .time {
    color: var(--gray-medium);
    margin-bottom: var(--spacing-md);
}

.date-card .places {
    color: var(--primary-green);
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

/* ==========================================
   Modalités Section
   ========================================== */

.modalites-section {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    max-width: 900px;
    margin: 0 auto;
}

.modalites-section h2 {
    font-size: 2rem;
    color: var(--primary-green);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

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

.modalite-card {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-green) 100%);
    color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
}

.modalite-card .icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.modalite-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.modalite-card p {
    font-size: 1rem;
    opacity: 0.9;
}

.info-box {
    background: var(--accent-mint);
    border-left: 4px solid var(--primary-green);
    padding: var(--spacing-lg);
    border-radius: var(--radius-sm);
    margin: var(--spacing-lg) 0;
}

.info-box h3 {
    color: var(--primary-green);
    margin-bottom: var(--spacing-sm);
}

.info-box ul {
    list-style: none;
    padding-left: 0;
}

.info-box li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
}

.info-box li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: bold;
}

/* ==========================================
   Formulaire
   ========================================== */

.form-section {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    max-width: 700px;
    margin: 0 auto;
}

.form-section h2 {
    font-size: 2rem;
    color: var(--primary-green);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--gray-light);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

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

.form-group .error {
    color: #d32f2f;
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

.form-group .success {
    color: var(--primary-green);
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

/* ==========================================
   Présentation des formations
   ========================================== */

.formations-presentation {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-green);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--gray-medium);
}

.formations-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.formation-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 0;
    box-shadow: var(--shadow-md);
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 2px solid transparent;
}

.formation-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-green);
}

.formation-card.featured {
    border: 3px solid var(--accent-yellow);
    box-shadow: 0 8px 24px rgba(245, 166, 35, 0.2);
}

.formation-card.featured:hover {
    box-shadow: 0 12px 32px rgba(245, 166, 35, 0.3);
}

.formation-card-header {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--secondary-green) 100%);
    padding: var(--spacing-xl);
    text-align: center;
    position: relative;
    color: var(--white);
}

.formation-card.featured .formation-card-header {
    background: linear-gradient(135deg, #FF9800 0%, #F57C00 100%);
}

.formation-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.7rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.formation-badge-featured {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: var(--accent-yellow);
    color: var(--dark-text);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 1;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.formation-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto var(--spacing-md);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.formation-card h3 {
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    text-align: center;
    font-weight: 700;
}

.formation-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--white);
    text-align: center;
    margin-bottom: 0;
}

.formation-card-content {
    padding: var(--spacing-xl);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.formation-details {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
    flex-wrap: wrap;
}

.detail-item {
    background: rgba(255, 255, 255, 0.15);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--white);
    backdrop-filter: blur(10px);
}

.formation-description {
    color: var(--dark-text);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    text-align: left;
    font-size: 0.95rem;
}

.formation-highlights {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background: var(--light-bg);
    border-radius: var(--radius-sm);
}

.formation-highlights h4 {
    color: var(--primary-green);
    font-size: 1rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.formation-highlights ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.formation-highlights li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--dark-text);
    line-height: 1.4;
    font-size: 0.9rem;
}

.formation-highlights li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-green);
    font-weight: bold;
    font-size: 1.2rem;
}

.formation-audience {
    background: var(--accent-mint);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--primary-green);
    margin-top: auto;
}

.formation-audience strong {
    color: var(--primary-green);
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
}

.formation-audience p {
    color: var(--dark-text);
    font-size: 0.85rem;
    margin: 0;
    line-height: 1.4;
}

.formation-btn {
    margin-top: var(--spacing-md);
    width: 100%;
    padding: var(--spacing-md);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.formations-cta {
    text-align: center;
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-top: var(--spacing-xl);
}

.formations-cta p {
    font-size: 1.125rem;
    color: var(--dark-text);
    margin-bottom: var(--spacing-md);
}

/* ==========================================
   Footer
   ========================================== */

.footer {
    text-align: center;
    padding: var(--spacing-lg) 0;
    color: var(--gray-medium);
    font-size: 0.875rem;
    border-top: 1px solid var(--gray-light);
    margin-top: var(--spacing-xl);
}

/* ==========================================
   Responsive Design
   ========================================== */

@media (max-width: 1024px) {
    .formations-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .formations-grid {
        grid-template-columns: 1fr;
    }
    .header-content {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .intro-section {
        grid-template-columns: 1fr;
        padding: var(--spacing-lg);
    }
    
    .intro-content {
        padding-right: 0;
    }
    
    .intro-content h1 {
        font-size: 2rem;
    }
    
    .intro-image {
        order: -1;
    }
    
    .quiz-section,
    .dates-section,
    .modalites-section,
    .form-section {
        padding: var(--spacing-lg);
    }
    
    .question h2 {
        font-size: 1.5rem;
    }
    
    .navigation-buttons {
        flex-direction: column;
    }
    
    .navigation-buttons button {
        max-width: 100%;
    }
    
    #btnNext {
        order: -1;
    }
    
    .dates-grid {
        grid-template-columns: 1fr;
    }
    
    .modalites-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .intro-content h1 {
        font-size: 1.75rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .question h2 {
        font-size: 1.25rem;
    }
    
    .dates-section h2,
    .modalites-section h2,
    .form-section h2 {
        font-size: 1.5rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .formations-grid {
        grid-template-columns: 1fr;
    }
    
    .formation-card {
        padding: 0;
    }
    
    .formation-card-content {
        padding: var(--spacing-lg);
    }
}