/* =======================================================================
   SINGLE FORMATION PAGE - PROFESSIONAL DESIGN
   ======================================================================= */

/* Professional Variables */
:root {
    --primary-professional: #1B365D;
    --primary-light: #2B5CE6;
    --secondary-professional: #FF6B35;
    --accent-gold: #F4A261;
    --success-green: #06D6A0;
    --text-primary: #0D1B2A;
    --text-secondary: #415A77;
    --text-muted: #778DA9;
    --background-premium: #FAFBFC;
    --background-card: #FFFFFF;
    --border-subtle: #E9ECEF;
    --border-accent: #DEE2E6;
    --shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-large: 0 8px 40px rgba(0, 0, 0, 0.12);
    --gradient-professional: linear-gradient(135deg, #1B365D 0%, #2B5CE6 100%);
    --gradient-accent: linear-gradient(135deg, #FF6B35 0%, #F4A261 100%);
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
}

/* =======================================================================
   PROFESSIONAL HERO SECTION
   ======================================================================= */

.formation-hero {
    position: relative;
    min-height: 70vh;
    background: var(--gradient-professional);
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-background::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 70%, rgba(43, 92, 230, 0.1) 0%, transparent 60%);
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.1;
}

.hero-placeholder {
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: rgba(255, 255, 255, 0.15);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    width: 100%;
    color: white;
}

.hero-breadcrumb {
    margin-bottom: var(--spacing-xl);
}

.hero-breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.95rem;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-smooth);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-md);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-breadcrumb a:hover {
    color: white;
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(-4px);
}

.hero-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.hero-logo {
    flex-shrink: 0;
}

.enoi-logo {
    max-width: 140px;
    height: auto;
    opacity: 0.95;
    transition: var(--transition-smooth);
}

.enoi-logo:hover {
    opacity: 1;
    transform: scale(1.02);
}

.hero-title-section {
    flex: 1;
    min-width: 320px;
}

.formation-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
    line-height: 1.1;
    color: white;
    letter-spacing: -0.02em;
}

.formation-meta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.meta-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-xl);
    font-size: 0.9rem;
    font-weight: var(--font-weight-semibold);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-smooth);
}

.meta-badge:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.meta-badge.level-debutant {
    background: rgba(6, 214, 160, 0.2);
    border-color: rgba(6, 214, 160, 0.3);
}

.meta-badge.level-intermediaire {
    background: rgba(244, 162, 97, 0.2);
    border-color: rgba(244, 162, 97, 0.3);
}

.meta-badge.level-avance {
    background: rgba(255, 107, 53, 0.2);
    border-color: rgba(255, 107, 53, 0.3);
}

/* =======================================================================
   PROFESSIONAL MAIN CONTENT
   ======================================================================= */

.formation-main {
    padding: var(--spacing-xl) 0;
    background: var(--background-premium);
}

.formation-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.formation-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.formation-main-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.formation-sidebar {
    position: sticky;
    top: var(--spacing-lg);
}

.formation-section {
    background: var(--background-card);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-subtle);
    border: 1px solid var(--border-subtle);
    transition: var(--transition-smooth);
    position: relative;
    height: fit-content;
}

.formation-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

.formation-section:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

.formation-section:hover::before {
    transform: scaleX(1);
}

.formation-section h2 {
    font-size: 1.4rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    letter-spacing: -0.01em;
}

.formation-section h2::before {
    content: '';
    width: 4px;
    height: 24px;
    background: var(--gradient-professional);
    border-radius: 2px;
}

/* Compact sections for key info */
.formation-section.compact {
    padding: var(--spacing-md);
}

.formation-section.compact h2 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.formation-section.compact p,
.formation-section.compact li {
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: var(--spacing-xs);
}

.formation-description,
.formation-objectives,
.formation-prerequisites,
.formation-program,
.formation-certification {
    line-height: 1.7;
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
}

.formation-description h3,
.formation-objectives h3,
.formation-prerequisites h3,
.formation-program h3,
.formation-certification h3 {
    font-size: 1.3rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
    color: var(--primary-professional);
}

.formation-description p,
.formation-objectives p,
.formation-prerequisites p,
.formation-program p,
.formation-certification p {
    margin-bottom: var(--spacing-md);
    font-size: 1.05rem;
}

.formation-description ul,
.formation-objectives ul,
.formation-prerequisites ul,
.formation-program ul,
.formation-certification ul {
    margin-bottom: var(--spacing-md);
    padding-left: 0;
    list-style: none;
}

.formation-description li,
.formation-objectives li,
.formation-prerequisites li,
.formation-program li,
.formation-certification li {
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    position: relative;
}

.formation-description li::before,
.formation-objectives li::before,
.formation-prerequisites li::before,
.formation-program li::before,
.formation-certification li::before {
    content: '✓';
    width: 20px;
    height: 20px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    font-weight: bold;
    flex-shrink: 0;
    margin-top: 2px;
}

/* =======================================================================
   PROFESSIONAL SIDEBAR
   ======================================================================= */

.formation-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    position: sticky;
    top: var(--spacing-lg);
}

.sidebar-card {
    background: var(--background-card);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-subtle);
    border: 1px solid var(--border-subtle);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.sidebar-card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

.card-header {
    background: var(--gradient-professional);
    color: white;
    padding: var(--spacing-lg);
    position: relative;
}

.card-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
}

.card-header h3 {
    font-size: 1.2rem;
    font-weight: var(--font-weight-semibold);
    margin: 0;
    letter-spacing: -0.01em;
}

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

/* Professional Registration Card */
.price-section {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 2px solid var(--border-subtle);
    position: relative;
}

.price-section::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 60px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
    transform: translateX(-50%);
}

.price-amount {
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--primary-professional);
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.02em;
}

.price-note {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: var(--font-weight-medium);
}

.registration-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* Professional Details Card */
.detail-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-subtle);
    transition: var(--transition-smooth);
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-item:hover {
    background: var(--background-premium);
    margin: 0 calc(-1 * var(--spacing-md));
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
}

.detail-item i {
    color: var(--primary-light);
    font-size: 1.2rem;
    margin-top: 0.25rem;
    width: 24px;
    text-align: center;
}

.detail-content {
    flex: 1;
}

.detail-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: var(--font-weight-semibold);
}

.detail-value {
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    font-size: 1.05rem;
}

/* Professional Contact Card */
.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-method {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--background-premium);
    border-radius: var(--border-radius-md);
    transition: var(--transition-smooth);
    border: 1px solid var(--border-subtle);
}

.contact-method:hover {
    background: var(--primary-professional);
    color: white;
    transform: translateX(8px);
    box-shadow: var(--shadow-medium);
}

.contact-method i {
    color: var(--primary-light);
    font-size: 1.3rem;
    transition: var(--transition-smooth);
}

.contact-method:hover i {
    color: white;
}

.contact-label {
    display: block;
    font-size: 0.8rem;
    opacity: 0.8;
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
}

.contact-value {
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.contact-method:hover .contact-value,
.contact-method:hover .contact-label {
    color: white;
    opacity: 1;
}

/* =======================================================================
   PROFESSIONAL CONTACT FORM SECTION
   ======================================================================= */

.formation-contact {
    padding: var(--spacing-xxl) 0;
    background: var(--background-card);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: start;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.contact-info h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
}

.contact-info p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    font-weight: var(--font-weight-medium);
}

.contact-form {
    background: var(--background-card);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--border-subtle);
    position: relative;
}

.contact-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.formation-contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-md);
    border: 2px solid var(--border-subtle);
    border-radius: var(--border-radius-md);
    font-size: 1rem;
    transition: var(--transition-smooth);
    background: var(--background-card);
    font-weight: var(--font-weight-medium);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(43, 92, 230, 0.1);
    transform: translateY(-1px);
}

.form-group input[readonly] {
    background: var(--background-premium);
    cursor: not-allowed;
    opacity: 0.7;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* =======================================================================
   PROFESSIONAL RELATED FORMATIONS
   ======================================================================= */

.related-formations {
    padding: var(--spacing-xxl) 0;
    background: var(--background-premium);
}

.related-formations h2 {
    text-align: center;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    margin-bottom: var(--spacing-xxl);
    color: var(--text-primary);
    font-weight: var(--font-weight-bold);
    letter-spacing: -0.02em;
}

.formations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.formation-card {
    background: var(--background-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-subtle);
    transition: var(--transition-smooth);
    border: 1px solid var(--border-subtle);
    position: relative;
}

.formation-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

.formation-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-large);
}

.formation-card:hover::before {
    transform: scaleX(1);
}

.formation-header {
    position: relative;
    background: var(--gradient-professional);
    padding: var(--spacing-lg);
    text-align: center;
}

.formation-image img {
    max-width: 80px;
    height: auto;
    filter: brightness(0) invert(1);
    transition: var(--transition-smooth);
}

.formation-card:hover .formation-image img {
    transform: scale(1.1);
}

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

.formation-title {
    font-size: 1.3rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -0.01em;
}

.formation-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.formation-title a:hover {
    color: var(--primary-light);
}

.formation-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    font-weight: var(--font-weight-medium);
}

/* =======================================================================
   PROFESSIONAL BUTTONS
   ======================================================================= */

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    font-size: 0.95rem;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn-large {
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: 1.1rem;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    color: white;
}

.btn-secondary {
    background: transparent;
    color: var(--primary-professional);
    border-color: var(--border-accent);
}

.btn-secondary:hover {
    background: var(--primary-professional);
    color: white;
    border-color: var(--primary-professional);
}

/* Button shine effect */
.btn-primary::before,
.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.6s ease;
}

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

/* =======================================================================
   PROFESSIONAL RESPONSIVE DESIGN
   ======================================================================= */

@media (max-width: 1024px) {
    .formation-layout {
        gap: var(--spacing-xl);
    }
    
    .contact-content {
        gap: var(--spacing-xl);
    }
}

@media (max-width: 768px) {
    .hero-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-lg);
    }
    
    .formation-meta {
        justify-content: center;
    }
    
    .formation-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .formation-sidebar {
        position: static;
        order: -1;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .formations-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .formation-section {
        padding: var(--spacing-lg);
    }
    
    .card-content {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .hero-content {
        padding: var(--spacing-lg) var(--spacing-sm);
    }
    
    .enoi-logo {
        max-width: 120px;
    }
    
    .formation-meta {
        flex-direction: column;
        align-items: center;
    }
    
    .meta-badge {
        width: 100%;
        justify-content: center;
    }
    
    .formation-section {
        padding: var(--spacing-md);
    }
    
    .card-content {
        padding: var(--spacing-md);
    }
    
    .contact-form {
        padding: var(--spacing-lg);
    }
    
    .formation-main,
    .formation-contact,
    .related-formations {
        padding: 3rem 0;
    }
    
    .formation-layout,
    .contact-content,
    .formations-grid {
        padding: 0 1rem;
    }
}

/* =======================================================================
   ACCESSIBILITY & PREFERENCES
   ======================================================================= */

@media (prefers-reduced-motion: reduce) {
    .formation-card,
    .formation-section,
    .contact-method,
    .btn-primary,
    .btn-secondary,
    .sidebar-card {
        transition: none;
    }
    
    .formation-card:hover,
    .formation-section:hover,
    .sidebar-card:hover {
        transform: none;
    }
}

@media (prefers-contrast: high) {
    .formation-card,
    .formation-section,
    .sidebar-card {
        border: 2px solid var(--text-primary);
    }
    
    .btn-primary,
    .btn-secondary {
        border-width: 3px;
    }
}

/* Print optimization */
@media print {
    .formation-sidebar,
    .btn-primary,
    .btn-secondary,
    .formation-contact {
        display: none;
    }
    
    .formation-layout {
        grid-template-columns: 1fr;
    }
    
    .formation-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #000;
    }
    
    .formation-hero {
        background: none;
        color: #000;
        min-height: auto;
        padding: 2rem 0;
    }
    
    .formation-title {
        color: #000;
    }
}