/* Formation Hero Section */
.formation-hero {
    padding: 140px 20px 100px;
    background: linear-gradient(135deg, #0066FF 0%, #00C6FF 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.formation-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.formation-hero .hero-title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    color: white;
    position: relative;
    z-index: 1;
}

.formation-hero .hero-subtitle {
    font-size: 22px;
    color: rgba(255, 255, 255, 0.95);
    margin: 0;
    font-weight: 400;
    position: relative;
    z-index: 1;
}

.gradient-text {
    background: linear-gradient(135deg, #FFFFFF 0%, #E0E0E0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Categories Section */
.categories-section {
    padding: 80px 20px;
    background: var(--dark-bg);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.category-card {
    background: var(--card-bg);
    border: 1px solid rgba(0, 102, 255, 0.1);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    min-height: 380px;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--accent-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.category-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 15px 50px rgba(0, 102, 255, 0.3);
}

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

.category-icon {
    font-size: 64px;
    margin-bottom: 20px;
    animation: float 3s ease-in-out infinite;
    display: block;
}

.category-card h2 {
    font-size: 28px;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.category-card p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
    flex-grow: 1;
}

.course-count {
    display: inline-block;
    background: rgba(0, 102, 255, 0.1);
    color: var(--secondary-color);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 25px;
}

.category-card .btn {
    width: 100%;
    max-width: 200px;
    margin-top: 10px;
}

.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Courses Section */
.courses-section {
    padding: 80px 20px;
    background: var(--darker-bg);
}

.section-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 60px;
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
}

.category-badge {
    font-size: 40px;
    filter: drop-shadow(0 4px 10px rgba(0, 102, 255, 0.3));
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.course-card {
    background: var(--card-bg);
    border: 1px solid rgba(0, 102, 255, 0.1);
    border-radius: 16px;
    padding: 35px;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    min-height: 420px;
    position: relative;
}

.course-card.placeholder {
    opacity: 0.6;
    border-style: dashed;
}

.course-card.placeholder::after {
    content: '🔜';
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 24px;
    opacity: 0.5;
}

.course-card:not(.placeholder):hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(0, 102, 255, 0.2);
}

.course-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-shrink: 0;
}

.course-badge {
    background: var(--accent-gradient);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.course-badge.coming-soon {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

.course-duration {
    color: var(--text-secondary);
    font-size: 14px;
    white-space: nowrap;
}

.course-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-primary);
    line-height: 1.4;
    min-height: 66px;
    display: flex;
    align-items: center;
}

.course-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
    flex-grow: 1;
    font-size: 14px;
}

.course-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 25px;
    min-height: 60px;
    align-content: flex-start;
}

.topic-tag {
    background: rgba(0, 102, 255, 0.08);
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid rgba(0, 102, 255, 0.15);
    transition: all 0.2s ease;
}

.topic-tag:hover {
    background: rgba(0, 102, 255, 0.15);
    border-color: rgba(0, 102, 255, 0.3);
}

.course-card .btn {
    width: 100%;
    margin-top: auto;
}

/* Info Section (réutilisation du style de veille) */
.info-section {
    padding: 80px 20px;
    background: var(--dark-bg);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.info-card {
    text-align: center;
    padding: 30px;
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid rgba(0, 102, 255, 0.05);
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 102, 255, 0.2);
}

.info-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: block;
}

.info-card h3 {
    font-size: 20px;
    color: var(--text-primary);
    margin-bottom: 15px;
}

.info-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Responsive */
@media (max-width: 768px) {
    .formation-hero {
        padding: 120px 20px 60px;
    }

    .formation-hero .hero-title {
        font-size: 40px;
    }

    .formation-hero .hero-subtitle {
        font-size: 18px;
    }

    .categories-grid,
    .courses-grid {
        grid-template-columns: 1fr;
    }

    .category-card {
        min-height: auto;
        padding: 30px 25px;
    }

    .category-icon {
        font-size: 48px;
    }

    .category-card h2 {
        font-size: 24px;
    }

    .course-card {
        min-height: auto;
        padding: 25px;
    }

    .course-card h3 {
        font-size: 20px;
        min-height: auto;
    }

    .section-title {
        flex-direction: column;
        gap: 10px;
        font-size: 26px;
    }

    .category-badge {
        font-size: 32px;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }
}

/* Animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Statistiques visuelles */
.stats-formation {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    padding: 40px 20px;
    background: rgba(0, 102, 255, 0.05);
    border-radius: 12px;
    margin: 40px auto;
    max-width: 800px;
}

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

.stat-number {
    font-size: 48px;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 8px;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Scroll smooth */
html {
    scroll-behavior: smooth;
}

/* Section separator */
.section-separator {
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, rgba(0, 102, 255, 0.3) 50%, transparent 100%);
    margin: 80px auto;
    max-width: 600px;
}

@media (max-width: 768px) {
    .stats-formation {
        gap: 30px;
    }

    .stat-number {
        font-size: 36px;
    }

    .stat-label {
        font-size: 12px;
    }
}