* { 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;
    padding: 20px;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    overflow: hidden;
}
.module-header {
    background: linear-gradient(135deg, #FF9900 0%, #FF6B00 100%);
    color: white;
    padding: 40px;
}
.breadcrumb {
    margin-bottom: 20px;
    font-size: 0.9em;
}
.breadcrumb a {
    color: white;
    text-decoration: none;
    opacity: 0.9;
}
.breadcrumb a:hover {
    opacity: 1;
    text-decoration: underline;
}
.module-header h1 {
    font-size: 2.5em;
    margin-bottom: 15px;
}
.module-subtitle {
    font-size: 1.2em;
    opacity: 0.95;
    margin-bottom: 20px;
}
.module-meta {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    font-size: 0.95em;
    opacity: 0.9;
}
.module-meta span {
    background: rgba(255,255,255,0.2);
    padding: 8px 15px;
    border-radius: 20px;
}
.module-nav {
    background: #f8f9fa;
    padding: 20px;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    border-bottom: 3px solid #FF9900;
    position: sticky;
    top: 0;
    z-index: 100;
}
.module-nav a {
    color: #333;
    text-decoration: none;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s;
    font-weight: 500;
}
.module-nav a:hover {
    background: #FF9900;
    color: white;
}
.content {
    padding: 60px 40px;
}
section {
    margin-bottom: 60px;
}
h2 {
    color: #FF9900;
    font-size: 2em;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid #FF9900;
}
h3 {
    color: #667eea;
    font-size: 1.5em;
    margin-top: 30px;
    margin-bottom: 20px;
}
h4 {
    color: #555;
    font-size: 1.2em;
    margin-top: 20px;
    margin-bottom: 15px;
}
p {
    margin-bottom: 15px;
    text-align: justify;
}
.intro-box {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    border-radius: 15px;
    margin: 30px 0;
}
.intro-box h3 {
    color: white;
    margin-top: 0;
}
.highlight-box {
    background: #fff3cd;
    border-left: 5px solid #ffc107;
    padding: 25px;
    margin: 25px 0;
    border-radius: 5px;
}
.success-box {
    background: #d4edda;
    border-left: 5px solid #28a745;
    padding: 25px;
    margin: 25px 0;
    border-radius: 5px;
}
.warning-box {
    background: #f8d7da;
    border-left: 5px solid #dc3545;
    padding: 25px;
    margin: 25px 0;
    border-radius: 5px;
}
.info-box {
    background: #d1ecf1;
    border-left: 5px solid #17a2b8;
    padding: 25px;
    margin: 25px 0;
    border-radius: 5px;
}
.process-flow {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
    justify-content: center;
    margin: 40px 0;
}
.process-step {
    flex: 1;
    min-width: 200px;
    max-width: 250px;
    background: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
.step-number {
    background: #FF9900;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5em;
    font-weight: bold;
    margin: 0 auto 15px auto;
}
.arrow {
    font-size: 2em;
    color: #FF9900;
    font-weight: bold;
}
.two-column {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin: 30px 0;
}
.advantage-card {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
    border-top: 4px solid #28a745;
}
.stat-box {
    background: white;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    margin-top: 15px;
}
.big-number {
    font-size: 3em;
    font-weight: bold;
    color: #28a745;
    margin-bottom: 10px;
}
table {
    width: 100%;
    border-collapse: collapse;
    margin: 25px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
th {
    background: #667eea;
    color: white;
    padding: 15px;
    text-align: left;
}
td {
    padding: 12px 15px;
    border-bottom: 1px solid #ddd;
}
tr:nth-child(even) {
    background: #f8f9fa;
}
tr:hover {
    background: #e9ecef;
}
ul, ol {
    margin-left: 30px;
    margin-bottom: 20px;
}
li {
    margin-bottom: 10px;
}
.module-footer {
    background: #f8f9fa;
    padding: 30px 40px;
    display: flex;
    justify-content: space-between;
    border-top: 3px solid #FF9900;
    flex-wrap: wrap;
    gap: 20px;
}
.btn-primary, .btn-secondary {
    padding: 15px 30px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s;
    display: inline-block;
}
.btn-primary {
    background: linear-gradient(135deg, #FF9900 0%, #FF6B00 100%);
    color: white;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255,153,0,0.4);
}
.btn-secondary {
    background: #6c757d;
    color: white;
}
.btn-secondary:hover {
    background: #5a6268;
}
.exercise-box {
    background: linear-gradient(135deg, #20c997 0%, #17a2b8 100%);
    color: white;
    padding: 30px;
    border-radius: 15px;
    margin: 30px 0;
}
.exercise-box h4 {
    color: white;
    margin-top: 0;
}
.checklist {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 10px;
    margin: 20px 0;
}
.checklist li::before {
    content: "✓ ";
    color: #28a745;
    font-weight: bold;
    margin-right: 8px;
}
@media (max-width: 768px) {
    .content {
        padding: 30px 20px;
    }
    .module-header h1 {
        font-size: 1.8em;
    }
    .module-nav {
        flex-direction: column;
    }
    .process-flow {
        flex-direction: column;
    }
    .arrow {
        transform: rotate(90deg);
    }
}