/* ====================================================================
   STYLES CSS PRINCIPAUX - FORMATION BTP Economiste de la Construction
   ==================================================================== */

/* Reset et styles de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* ==========================================
   HEADER ET NAVIGATION
   ========================================== */

.header {
    text-align: center;
    margin-bottom: 40px;
    background: linear-gradient(135deg, #ff6b6b, #4ecdc4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.back-nav {
    margin-bottom: 20px;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    background: rgba(102, 126, 234, 0.1);
    color: #667eea;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.back-btn:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
}

.tab-container {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 15px;
    padding: 5px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 12px 20px;
    margin: 5px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s ease;
    color: #667eea;
    font-size: 0.9em;
}

.tab-btn.active {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

/* ==========================================
   SECTIONS DE CONTENU
   ========================================== */

.content-section {
    display: none;
    animation: fadeIn 0.5s ease-in;
}

.content-section.active {
    display: block;
}

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

/* ==========================================
   CARTES MENTALES
   ========================================== */

.mindmap {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.central-node {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, #ff6b6b, #ee5a52);
    color: white;
    padding: 25px;
    border-radius: 20px;
    text-align: center;
    font-weight: bold;
    font-size: 1.3em;
    margin-bottom: 30px;
    box-shadow: 0 15px 35px rgba(255, 107, 107, 0.3);
}

.branch {
    background: white;
    border: 3px solid #4ecdc4;
    border-radius: 15px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 10px 25px rgba(78, 205, 196, 0.2);
    position: relative;
}

.branch:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 35px rgba(78, 205, 196, 0.4);
    border-color: #26a69a;
}

.branch h3 {
    color: #26a69a;
    margin-bottom: 15px;
    font-size: 1.1em;
    display: flex;
    align-items: center;
}

.branch-icon {
    font-size: 1.5em;
    margin-right: 10px;
}

.branch-summary {
    color: #666;
    font-size: 0.9em;
    line-height: 1.4;
}

.branch-details {
    display: none;
    margin-top: 20px;
    padding: 20px;
    background: rgba(78, 205, 196, 0.1);
    border-radius: 10px;
    border-left: 4px solid #26a69a;
}

.branch-details ul {
    list-style: none;
    padding: 0;
}

.branch-details li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(78, 205, 196, 0.2);
    display: flex;
    align-items: center;
}

.branch-details li:before {
    content: "▶";
    color: #26a69a;
    margin-right: 10px;
    font-size: 0.8em;
}
.branch-details {
  display: none;
  margin-top: 10px;
}

.priority-badge {
    position: absolute;
    top: -10px;
    right: -10px;
    background: #ff6b6b;
    color: white;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8em;
    font-weight: bold;
}

/* ==========================================
   QUIZ INTERACTIF
   ========================================== */

.quiz-container {
    background: white;
    border-radius: 15px;
    padding: 30px;
    margin: 20px 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.question {
    font-size: 1.2em;
    font-weight: 600;
    margin-bottom: 20px;
    color: #333;
    line-height: 1.6;
}

.bloom-level {
    display: inline-block;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.8em;
    font-weight: bold;
    margin-bottom: 15px;
}

.bloom-memorisation { background: #ffeb3b; color: #333; }
.bloom-comprehension { background: #ff9800; color: white; }
.bloom-application { background: #4caf50; color: white; }
.bloom-analyse { background: #2196f3; color: white; }
.bloom-evaluation { background: #9c27b0; color: white; }
.bloom-creation { background: #f44336; color: white; }

.options {
    display: grid;
    gap: 12px;
    margin-bottom: 20px;
}

.option {
    padding: 18px;
    background: rgba(102, 126, 234, 0.05);
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    line-height: 1.5;
}

.option:hover {
    background: rgba(102, 126, 234, 0.1);
    border-color: #667eea;
    transform: translateY(-2px);
}

.option.selected {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

.option.correct {
    background: #4caf50;
    color: white;
    border-color: #4caf50;
}

.option.incorrect {
    background: #f44336;
    color: white;
    border-color: #f44336;
}

.quiz-feedback {
    padding: 20px;
    border-radius: 12px;
    margin-top: 20px;
    display: none;
    line-height: 1.6;
}

.quiz-feedback.correct {
    background: rgba(76, 175, 80, 0.1);
    border-left: 4px solid #4caf50;
    color: #2e7d32;
}

.quiz-feedback.incorrect {
    background: rgba(244, 67, 54, 0.1);
    border-left: 4px solid #f44336;
    color: #c62828;
}

.progress-bar {
    width: 100%;
    height: 12px;
    background: rgba(102, 126, 234, 0.2);
    border-radius: 6px;
    margin-bottom: 25px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 6px;
    width: 0%;
    transition: width 0.5s ease;
}

.score {
    text-align: center;
    font-size: 1.8em;
    font-weight: bold;
    color: #667eea;
    margin: 25px 0;
}

/* ==========================================
   SYNTHÈSE PARETO
   ========================================== */

.pareto-section {
    background: linear-gradient(135deg, rgba(255, 107, 107, 0.1), rgba(78, 205, 196, 0.1));
    padding: 30px;
    border-radius: 15px;
    margin: 20px 0;
    border-left: 5px solid #ff6b6b;
}

.key-concept {
    background: white;
    padding: 25px;
    border-radius: 12px;
    margin: 15px 0;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
    border-left: 4px solid #4ecdc4;
}

.importance-badge {
    display: inline-block;
    padding: 8px 16px;
    background: #ff6b6b;
    color: white;
    border-radius: 20px;
    font-size: 0.85em;
    font-weight: bold;
    margin-bottom: 15px;
}

.concept-details {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 20px;
    align-items: start;
    margin-top: 15px;
}

.concept-icon {
    font-size: 3em;
    text-align: center;
    opacity: 0.7;
}

.mnemonic-box {
    background: linear-gradient(135deg, #4ecdc4, #44a08d);
    color: white;
    padding: 25px;
    border-radius: 15px;
    margin: 25px 0;
    text-align: center;
}

.mnemonic-letters {
    font-size: 2.5em;
    font-weight: bold;
    letter-spacing: 0.2em;
    margin-bottom: 15px;
}

/* ==========================================
   BOUTONS ET CONTRÔLES
   ========================================== */

.btn {
    padding: 15px 30px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    margin: 10px 5px;
    font-size: 1em;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

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

@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .container {
        padding: 15px;
    }
    
    .tab-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .tab-btn {
        margin: 2px 0;
        text-align: center;
    }
    
    .mindmap {
        grid-template-columns: 1fr;
    }
    
    .concept-details {
        grid-template-columns: 1fr;
    }
    
    .central-node {
        font-size: 1.1em;
        padding: 20px;
    }
    
    .branch {
        padding: 15px;
    }
    
    .quiz-container {
        padding: 20px;
    }
    
    .question {
        font-size: 1.1em;
    }
    
    .option {
        padding: 15px;
    }
    
    .mnemonic-letters {
        font-size: 2em;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.8em;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.9em;
    }
/* Styles pour l'interactivité des branches */
.branch {
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 10px;
    padding: 15px;
    margin: 10px;
    position: relative;
    overflow: hidden;
}

.branch:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.branch-details {
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    opacity: 0;
    margin-top: 10px;
}

.branch-details.show {
    max-height: 300px;
    opacity: 1;
}

.branch.expanded {
    background-color: #f0f9ff;
    border-left: 4px solid #3b82f6;
}

/* Styles pour les onglets */
.tab-container {
    display: flex;
    margin-bottom: 30px;
    border-bottom: 2px solid #e5e7eb;
}

.tab-btn {
    background: none;
    border: none;
    padding: 15px 25px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    color: #6b7280;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
}

.tab-btn:hover {
    color: #3b82f6;
    background-color: #f3f4f6;
}

.tab-btn.active {
    color: #3b82f6;
    border-bottom-color: #3b82f6;
    background-color: #f0f9ff;
}

/* Styles pour les sections de contenu */
.content-section {
    display: none;
    animation: fadeIn 0.3s ease;
}

.content-section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Styles pour le quiz */
.progress-bar {
    width: 100%;
    height: 8px;
    background-color: #e5e7eb;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 20px;
}

.progress-fill {
    height: 100%;
    background-color: #10b981;
    transition: width 0.3s ease;
    width: 0%;
}

.score {
    text-align: center;
    font-size: 18px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 30px;
}

.question-card {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    margin-bottom: 20px;
}

.question-text {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 25px;
    color: #1f2937;
}

.answers {
    display: grid;
    gap: 12px;
    margin-bottom: 20px;
}

.answer-btn {
    background: #f9fafb;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    padding: 15px 20px;
    text-align: left;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.answer-btn:hover {
    background: #f3f4f6;
    border-color: #d1d5db;
    transform: translateX(5px);
}

.answer-btn:disabled {
    cursor: not-allowed;
}

.answer-btn.correct {
    background: #dcfce7;
    border-color: #10b981;
    color: #065f46;
}

.answer-btn.incorrect {
    background: #fee2e2;
    border-color: #ef4444;
    color: #991b1b;
}

.feedback {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    font-weight: 500;
}

.correct-feedback {
    background: #dcfce7;
    color: #065f46;
    border: 1px solid #10b981;
}

.incorrect-feedback {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

.results-card {
    background: white;
    border-radius: 12px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.final-score {
    font-size: 48px;
    font-weight: 700;
    color: #3b82f6;
    margin: 20px 0;
}

.score-details {
    text-align: left;
    margin-top: 30px;
}

.score-item {
    padding: 8px 12px;
    margin: 5px 0;
    border-radius: 6px;
    font-size: 14px;
}

.score-item.correct {
    background: #dcfce7;
    color: #065f46;
}

.score-item.incorrect {
    background: #fee2e2;
    color: #991b1b;
}

.btn {
    background: #3b82f6;
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 0 10px;
}

.btn:hover {
    background: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(59, 130, 246, 0.3);
}
/* ===== STYLES POUR L'INTERACTIVITÉ DES BRANCHES ===== */

.branch {
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 12px;
    padding: 20px;
    margin: 15px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border: 2px solid #e2e8f0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.branch::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #1d4ed8);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.branch:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 10px 25px rgba(59, 130, 246, 0.2);
    border-color: #3b82f6;
}

.branch:hover::before {
    transform: scaleX(1);
}

.branch.expanded {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-color: #3b82f6;
    box-shadow: 0 8px 32px rgba(59, 130, 246, 0.25);
}

.branch.expanded::before {
    transform: scaleX(1);
    background: linear-gradient(90deg, #10b981, #059669);
}

/* Détails des branches (menu déroulant) */
.branch-details {
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    margin-top: 15px;
    padding: 0 10px;
    transform: translateY(-10px);
}

.branch-details.show {
    max-height: 500px;
    opacity: 1;
    transform: translateY(0);
}

.branch-details ul {
    list-style: none;
    padding: 0;
    margin: 10px 0;
}

.branch-details li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
    color: #374151;
    font-size: 14px;
    line-height: 1.5;
}

.branch-details li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #3b82f6;
    font-weight: bold;
}

/* Icônes des branches */
.branch-icon {
    font-size: 1.5em;
    margin-right: 10px;
    display: inline-block;
    width: 30px;
    text-align: center;
}

/* ===== STYLES POUR LES ONGLETS ===== */

.tab-container {
    display: flex;
    margin-bottom: 30px;
    border-bottom: 3px solid #e5e7eb;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 8px 8px 0 0;
    padding: 0 10px;
}

.tab-btn {
    background: none;
    border: none;
    padding: 18px 30px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: #64748b;
    border-bottom: 4px solid transparent;
    transition: all 0.3s ease;
    position: relative;
    border-radius: 8px 8px 0 0;
}

.tab-btn::before {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 50%;
    width: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #1d4ed8);
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.tab-btn:hover {
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.1);
}

.tab-btn:hover::before {
    width: 80%;
}

.tab-btn.active {
    color: #1d4ed8;
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    border-bottom-color: #3b82f6;
}

.tab-btn.active::before {
    width: 100%;
}

/* ===== STYLES POUR LES SECTIONS ===== */

.content-section {
    display: none;
    animation: fadeInUp 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.content-section.active {
    display: block;
}

@keyframes fadeInUp {
    from { 
        opacity: 0; 
        transform: translateY(30px); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0); 
    }
}

/* ===== STYLES POUR LE QUIZ (TAXONOMIE BLOOM) ===== */

.quiz-intro {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    margin-bottom: 20px;
    border: 2px solid #0891b2;
}

.quiz-features {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.feature {
    background: rgba(8, 145, 178, 0.1);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: #0891b2;
}

.progress-bar {
    width: 100%;
    height: 12px;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #1d4ed8);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    width: 0%;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 20px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3));
    animation: shimmer 2s infinite;
}
   .content-section {
  display: none;
}
.content-section.active {
  display: block;
}


@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.score {
    text-align: center;
    font-size: 20px;
    font-weight: 700;
    color: #374151;
    margin-bottom: 30px;
    padding: 15px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 8px;
    border: 2px solid #e2e8f0;
}
/* ===== STYLES GLOBAUX ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* ===== HEADER ===== */
.hero {
    text-align: center;
    padding: 40px 20px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    margin-bottom: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.hero h1 {
    font-size: 2.5em;
    color: #2c3e50;
    margin-bottom: 10px;
    font-weight: 700;
}

.subtitle {
    font-size: 1.2em;
    color: #666;
    font-weight: 500;
}

/* ===== FEATURES ===== */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.9);
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.feature-icon {
    font-size: 3em;
    margin-bottom: 15px;
}

.feature-card h3 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 1.3em;
}

/* ===== MODULES GRID ===== */
.modules-grid {
    background: rgba(255, 255, 255, 0.95);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    margin-bottom: 40px;
}

.modules-grid h2 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 30px;
    font-size: 2em;
}

.module-card {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 15px;
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
    border-left: 5px solid #007bff;
}

.module-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.module-card.coming-soon {
    border-left-color: #ffc107;
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    opacity: 0.7;
}

/* ===== MODULE HEADER ===== */
.module-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.module-number {
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9em;
}

.module-status {
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8em;
    font-weight: 600;
}

.module-status.available {
    background: #d4edda;
    color: #155724;
}

.module-status.development {
    background: #fff3cd;
    color: #856404;
}

/* ===== MODULE CONTENT ===== */
.module-card h3 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 1.4em;
}

.module-card p {
    color: #666;
    margin-bottom: 15px;
    font-style: italic;
}

.module-content ul {
    list-style: none;
    margin-bottom: 20px;
}

.module-content li {
    padding: 5px 0;
    color: #555;
    position: relative;
    padding-left: 25px;
}

.module-content li::before {
    content: attr(data-icon);
    position: absolute;
    left: 0;
    color: #007bff;
}

/* ===== BUTTONS ===== */
.module-btn {
    display: inline-block;
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    text-decoration: none;
    padding: 12px 25px;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1em;
}

.module-btn:hover {
    background: linear-gradient(135deg, #0056b3, #004085);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
}

.module-btn.disabled {
    background: #6c757d;
    cursor: not-allowed;
    opacity: 0.6;
}

.module-btn.disabled:hover {
    transform: none;
    box-shadow: none;
}

/* ===== FOOTER ===== */
.footer {
    text-align: center;
    padding: 30px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.footer p {
    margin-bottom: 10px;
    color: #666;
}

.footer p:last-child {
    margin-bottom: 0;
    font-weight: 600;
    color: #007bff;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2em;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .modules-grid {
        padding: 20px;
    }
    
    .module-header {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}
/*