/* Styles Modernes pour Cours en Ligne - Design Éducatif Premium */
:root {
    --primary-gradient: linear-gradient(135deg, #FF6B6B 0%, #4ECDC4 100%);
    --secondary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --accent-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
    --warning-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --info-gradient: linear-gradient(135deg, #30cfd0 0%, #330867 100%);
    --edu-bg: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    --card-bg: rgba(255, 255, 255, 0.08);
    --glass-bg: rgba(255, 255, 255, 0.12);
    --text-primary: #ffffff;
    --text-secondary: #d1d5db;
    --text-accent: #4ECDC4;
    --border-glass: rgba(255, 255, 255, 0.25);
    --accent-color: #4ECDC4;
}

/* Reset et Base */
body {
    background: var(--edu-bg);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

/* Styles pour les textes forts et accents */
strong, b {
    color: var(--text-accent);
    font-weight: 700;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.step-content strong,
.step-content b {
    color: #ffffff;
    font-weight: 700;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}

.course-description-modern strong,
.course-description-modern b {
    color: var(--text-accent);
    font-weight: 700;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.platform-description strong,
.platform-description b {
    color: var(--text-accent);
    font-weight: 700;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* Hero Éducatif Moderne */
.hero-education {
    min-height: 100vh;
    background: var(--edu-bg);
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-education::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(78, 205, 196, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 107, 107, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(102, 126, 234, 0.2) 0%, transparent 50%);
    animation: floatingGradient 20s ease-in-out infinite;
}

@keyframes floatingGradient {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(-20px, -20px) rotate(120deg); }
    66% { transform: translate(20px, -10px) rotate(240deg); }
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    min-height: 80vh;
}

.hero-content-left {
    animation: slideInLeft 1s ease-out;
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-50px); }
    to { opacity: 1; transform: translateX(0); }
}

.hero-content-right {
    position: relative;
    animation: slideInRight 1s ease-out;
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Badges Éducatifs */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-glass);
    border-radius: 50px;
    padding: 8px 20px;
    margin-bottom: 30px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.hero-badge i {
    color: var(--accent-color);
}

/* Typography Éducative */
.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #b8bcc8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title .gradient-text {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.hero-description {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
}

/* Stats Éducatives */
.hero-stats-modern {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 50px;
}

.stat-card-modern {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 25px 20px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: visible;
}

.stat-card-modern:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.stat-number-modern {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 8px;
    line-height: 1.1;
    position: relative;
    z-index: 1;
}

.stat-label-modern {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Actions Éducatives */
.hero-actions-modern {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.btn-education {
    padding: 18px 40px;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary-education {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 10px 30px rgba(78, 205, 196, 0.3);
}

.btn-primary-education:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(78, 205, 196, 0.4);
}

.btn-secondary-education {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 2px solid var(--border-glass);
    color: var(--text-primary);
}

.btn-secondary-education:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

/* Éléments Éducatifs Flottants */
.floating-elements {
    position: relative;
    height: 600px;
}

.floating-element {
    position: absolute;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 30px;
    width: 280px;
    transition: all 0.3s ease;
    animation: float 6s ease-in-out infinite;
    overflow: visible;
}

.floating-element:nth-child(1) {
    top: 0;
    left: 0;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    top: 100px;
    right: 0;
    animation-delay: 2s;
}

.floating-element:nth-child(3) {
    bottom: 0;
    left: 50px;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.floating-element:hover {
    transform: translateY(-10px) scale(1.05);
    background: rgba(255, 255, 255, 0.2);
}

.element-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.element-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.element-value {
    font-size: 2rem;
    font-weight: 900;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
    position: relative;
    z-index: 1;
}

/* Navigation Éducative */
.nav-education {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(26, 26, 46, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    z-index: 1000;
    padding: 15px 0;
}

.nav-container-education {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand-education {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
}

.nav-brand-education i {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.nav-menu-education {
    display: flex;
    gap: 30px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link-education {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link-education:hover {
    color: var(--text-primary);
}

.nav-link-education::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width 0.3s ease;
}

.nav-link-education:hover::after {
    width: 100%;
}

/* Sections Éducatives */
.section-education {
    padding: 100px 0;
    position: relative;
}

.section-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-header-education {
    text-align: center;
    margin-bottom: 80px;
}

.section-title-education {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #b8bcc8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle-education {
    font-size: 1.3rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Grid Éducatif */
.course-grid-modern {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    margin-bottom: 80px;
}

.course-card-modern {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-glass);
    border-radius: 25px;
    padding: 40px;
    transition: all 0.3s ease;
    position: relative;
    overflow: visible;
}

.course-card-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.course-card-modern:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
}

.course-header-modern {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.course-icon-modern {
    width: 70px;
    height: 70px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
}

.course-title-modern {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.course-description-modern {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.course-stats-modern {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.course-stat-modern {
    text-align: center;
}

.course-stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 5px;
    line-height: 1.1;
    position: relative;
    z-index: 1;
}

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

/* Platform Cards */
.platform-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.platform-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: visible;
}

.platform-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.platform-icon {
    width: 60px;
    height: 60px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 20px;
    color: white;
    position: relative;
    z-index: 1;
}

.platform-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.platform-description {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.platform-stats {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
    line-height: 1.2;
}

/* Step Cards */
.step-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
    margin-top: 40px;
}

.step-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-glass);
    border-radius: 20px;
    padding: 30px;
    transition: all 0.3s ease;
    position: relative;
    overflow: visible;
    margin-top: 20px;
}

.step-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 30px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: white;
    z-index: 2;
    box-shadow: 0 4px 15px rgba(78, 205, 196, 0.3);
}

.step-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.step-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.step-content li {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--text-secondary);
    padding-left: 20px;
    position: relative;
}

.step-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-color);
}

/* Footer Éducatif */
.footer-education {
    background: rgba(26, 26, 46, 0.9);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-glass);
    padding: 50px 0 30px;
    margin-top: 100px;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section li {
    margin-bottom: 10px;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-glass);
    color: var(--text-secondary);
}

/* Responsive */
@media (max-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-stats-modern {
        grid-template-columns: repeat(2, 1fr);
    }

    .floating-elements {
        height: 400px;
    }

    .floating-element {
        width: 200px;
        padding: 20px;
    }

    .nav-menu-education {
        display: none;
    }

    .course-grid-modern {
        grid-template-columns: 1fr;
    }

    .course-stats-modern {
        grid-template-columns: 1fr;
    }

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

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

/* Animations additionnelles */
.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }
.animate-delay-4 { animation-delay: 0.4s; }
.animate-delay-5 { animation-delay: 0.5s; }

/* Animations spécifiques éducation */
.book-animation {
    animation: bookFloat 4s ease-in-out infinite;
}

@keyframes bookFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(5deg); }
}

.video-animation {
    animation: videoPulse 3s ease-in-out infinite;
}

@keyframes videoPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.certificate-animation {
    animation: certificateShine 5s ease-in-out infinite;
}

@keyframes certificateShine {
    0%, 100% { transform: rotate(0deg); }
    50% { transform: rotate(5deg); }
}