/* Global Styles */
:root {
    --primary-color: #2c3e50;
    --secondary-color: #1abc9c;
    --accent-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --text-color: #333;
    --success-color: #27ae60;
    --failure-color: #e74c3c;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #f8f9fa;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 0.5em;
    color: var(--primary-color);
}

a {
    text-decoration: none;
    color: var(--secondary-color);
    transition: var(--transition);
}

a:hover {
    color: var(--primary-color);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

section {
    padding: 80px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 3px;
    background-color: var(--secondary-color);
}

.section-header p {
    font-size: 1.1rem;
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    box-shadow: var(--box-shadow);
}

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

.btn-primary:hover {
    background-color: #16a085;
    transform: translateY(-3px);
    color: white;
}

.btn-secondary {
    background-color: white;
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
}

.btn-secondary:hover {
    background-color: var(--secondary-color);
    color: white;
    transform: translateY(-3px);
}

/* Header Styles */
header {
    background-color: white;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo h1 {
    font-size: 1.8rem;
    margin: 0;
    color: var(--primary-color);
}

.logo span {
    color: var(--secondary-color);
}

.nav-links ul {
    display: flex;
}

.nav-links li {
    margin-left: 30px;
}

.nav-links a {
    color: var(--primary-color);
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}

.nav-links a.active,
.nav-links a:hover {
    color: var(--secondary-color);
}

.nav-links a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary-color);
    transition: var(--transition);
}

.nav-links a.active:after,
.nav-links a:hover:after {
    width: 100%;
}

.hamburger {
    display: none;
    cursor: pointer;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 5px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding-top: 100px;
    padding-bottom: 100px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.hero-content h2 {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: #555;
}

.cta-buttons {
    display: flex;
    gap: 15px;
}

.hero-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    position: relative;
}

.dashboard-visual {
    width: 100%;
    height: 350px;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="800" height="600" viewBox="0 0 800 600"><rect x="50" y="50" width="700" height="500" rx="20" ry="20" fill="%232c3e50" stroke="%23ecf0f1" stroke-width="2"/><rect x="80" y="100" width="300" height="200" rx="10" ry="10" fill="%23ecf0f1" opacity="0.9"/><rect x="420" y="100" width="300" height="200" rx="10" ry="10" fill="%23ecf0f1" opacity="0.9"/><rect x="80" y="330" width="640" height="180" rx="10" ry="10" fill="%23ecf0f1" opacity="0.9"/><circle cx="230" cy="200" r="70" fill="%231abc9c" opacity="0.8"/><rect x="450" y="130" width="240" height="20" rx="5" ry="5" fill="%232c3e50" opacity="0.7"/><rect x="450" y="170" width="180" height="20" rx="5" ry="5" fill="%232c3e50" opacity="0.7"/><rect x="450" y="210" width="210" height="20" rx="5" ry="5" fill="%232c3e50" opacity="0.7"/><rect x="450" y="250" width="160" height="20" rx="5" ry="5" fill="%232c3e50" opacity="0.7"/><rect x="110" y="360" width="580" height="120" rx="5" ry="5" fill="%232c3e50" opacity="0.3"/><line x1="110" y1="410" x2="690" y2="410" stroke="%231abc9c" stroke-width="3"/><circle cx="170" cy="410" r="8" fill="%23e74c3c"/><circle cx="290" cy="380" r="8" fill="%23e74c3c"/><circle cx="410" cy="430" r="8" fill="%23e74c3c"/><circle cx="530" cy="370" r="8" fill="%23e74c3c"/><circle cx="650" cy="400" r="8" fill="%23e74c3c"/></svg>');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    box-shadow: var(--box-shadow);
    border-radius: 10px;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
    100% {
        transform: translateY(0);
    }
}

/* Cases Section Styling */
.cases-section {
    background-color: #fff;
}

.case-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 10px;
}

.tab-btn {
    background: none;
    border: none;
    padding: 10px 20px;
    margin: 0 5px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    position: relative;
    color: #777;
    transition: var(--transition);
}

.tab-btn:hover {
    color: var(--secondary-color);
}

.tab-btn.active {
    color: var(--secondary-color);
}

.tab-btn.active:after {
    content: '';
    position: absolute;
    bottom: -11px;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--secondary-color);
}

.case-panel {
    display: none;
}

.case-panel.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

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

.case-panel h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--primary-color);
    text-align: center;
}

.case-summary {
    margin-bottom: 30px;
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.case-summary p {
    font-size: 1.1rem;
    color: #555;
}

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

.stage {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.stage:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.stage-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
}

.stage-header h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin: 0;
}

.stage-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.stage ul {
    padding-left: 20px;
}

.stage ul li {
    position: relative;
    padding-left: 15px;
    margin-bottom: 10px;
    list-style-type: none;
}

.stage ul li:before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--secondary-color);
}

.impact-lessons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.impact, .lessons {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
}

.impact h4, .lessons h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.impact h4:before {
    content: '💼';
    margin-right: 10px;
    font-size: 1.3rem;
}

.lessons h4:before {
    content: '💡';
    margin-right: 10px;
    font-size: 1.3rem;
}

.impact ul, .lessons ul {
    padding-left: 20px;
}

.impact ul li, .lessons ul li {
    position: relative;
    padding-left: 15px;
    margin-bottom: 10px;
    list-style-type: none;
}

.impact ul li:before, .lessons ul li:before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--secondary-color);
}

/* Complexity Section */
.complexity-section {
    background-color: #f8f9fa;
}

.complexity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

.complexity-card {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.complexity-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.complexity-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: white;
    font-size: 1.5rem;
}

.complexity-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
}

.complexity-card ul {
    padding-left: 20px;
}

.complexity-card ul li {
    position: relative;
    padding-left: 15px;
    margin-bottom: 10px;
    list-style-type: none;
}

.complexity-card ul li:before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--primary-color);
}

/* Analysis Section */
.analysis-section {
    background-color: white;
}

.comparison-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.comparison-column {
    padding: 30px;
    border-radius: 10px;
}

.success-column {
    background-color: rgba(39, 174, 96, 0.1);
    border-left: 5px solid var(--success-color);
}

.failure-column {
    background-color: rgba(231, 76, 60, 0.1);
    border-left: 5px solid var(--failure-color);
}

.comparison-column h3 {
    font-size: 1.8rem;
    margin-bottom: 25px;
    text-align: center;
}

.success-column h3 {
    color: var(--success-color);
}

.failure-column h3 {
    color: var(--failure-color);
}

.pattern {
    display: flex;
    margin-bottom: 25px;
    align-items: flex-start;
}

.pattern-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    margin-right: 15px;
    flex-shrink: 0;
}

.success-icon {
    background-color: var(--success-color);
}

.failure-icon {
    background-color: var(--failure-color);
}

.pattern-content {
    flex: 1;
}

.pattern-content h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.pattern-content ul {
    padding-left: 20px;
}

.pattern-content ul li {
    position: relative;
    padding-left: 15px;
    margin-bottom: 8px;
    list-style-type: none;
}

.pattern-content ul li:before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.success-column .pattern-content ul li:before {
    background-color: var(--success-color);
}

.failure-column .pattern-content ul li:before {
    background-color: var(--failure-color);
}

/* Process Section */
.process-section {
    background-color: #f8f9fa;
    padding: 80px 0;
}

.process-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
}

.process-tab {
    background: none;
    border: none;
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: 500;
    margin: 0 10px;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.process-tab:hover {
    background-color: rgba(44, 62, 80, 0.1);
}

.process-tab.active {
    background-color: var(--primary-color);
    color: white;
}

.process-panel {
    display: none;
}

.process-panel.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.process-panel h3 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.process-intro {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 40px;
}

.process-timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px 0;
}

.process-timeline:before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50px;
    width: 3px;
    background-color: #ddd;
    z-index: 1;
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
}

.timeline-marker {
    position: absolute;
    left: 42px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    color: white;
    font-weight: bold;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transform: translateX(-50%);
}

.success-marker {
    background-color: var(--success-color);
}

.failure-marker {
    background-color: var(--failure-color);
}

.timeline-content {
    margin-left: 90px;
    background-color: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: var(--box-shadow);
}

.timeline-content h4 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.timeline-details ul {
    margin-bottom: 20px;
}

.timeline-details li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
}

.timeline-details li:before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--secondary-color);
}

.process-callout {
    padding: 15px;
    border-radius: 5px;
    display: flex;
    align-items: flex-start;
}

.process-callout i {
    font-size: 1.5rem;
    margin-right: 15px;
    margin-top: 3px;
}

.process-callout p {
    margin: 0;
}

.success-callout {
    background-color: rgba(39, 174, 96, 0.1);
    border-left: 4px solid var(--success-color);
}

.success-callout i {
    color: var(--success-color);
}

.failure-callout {
    background-color: rgba(231, 76, 60, 0.1);
    border-left: 4px solid var(--failure-color);
}

.failure-callout i {
    color: var(--failure-color);
}

@media (max-width: 768px) {
    .process-timeline:before {
        left: 30px;
    }
    
    .timeline-marker {
        left: 30px;
    }
    
    .timeline-content {
        margin-left: 60px;
    }
    
    .process-tab {
        padding: 10px 15px;
        font-size: 0.9rem;
    }
}

/* Project Examples Section */
.project-examples-section {
    background-color: #f8f9fa;
    padding: 80px 0;
}

.example-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 30px;
}

.example-tab {
    background: none;
    border: none;
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: 500;
    margin: 0 10px;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.example-tab:hover {
    background-color: rgba(44, 62, 80, 0.1);
}

.example-tab.active {
    background-color: var(--primary-color);
    color: white;
}

.example-panel {
    display: none;
}

.example-panel.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.example-panel h3 {
    font-size: 2rem;
    text-align: center;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.example-intro {
    text-align: center;
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 40px;
}

.project-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 50px;
}

.overview-card {
    background-color: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
}

.overview-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: white;
    font-size: 1.5rem;
}

.overview-card h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.overview-card ul {
    padding-left: 20px;
}

.overview-card ul li {
    position: relative;
    padding-left: 15px;
    margin-bottom: 10px;
}

.overview-card ul li:before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--secondary-color);
}

.agile-title {
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary-color);
}

.sprint-timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.sprint-block {
    margin-bottom: 40px;
    background-color: white;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

.sprint-header {
    background-color: var(--primary-color);
    color: white;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sprint-header h5 {
    margin: 0;
    font-size: 1.2rem;
    color: white;
}

.sprint-duration {
    background-color: rgba(255, 255, 255, 0.2);
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.9rem;
}

.sprint-content {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 20px;
    padding: 20px;
}

.sprint-deliverables h6, 
.role-focus h6,
.sprint-diagram h6 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.sprint-deliverables ul {
    padding-left: 20px;
}

.sprint-deliverables li {
    position: relative;
    padding-left: 15px;
    margin-bottom: 10px;
}

.sprint-deliverables li:before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--secondary-color);
}

.role-assignment {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.role {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.role-primary {
    background-color: var(--secondary-color);
    color: white;
}

.role-secondary {
    background-color: #ecf0f1;
    color: var(--primary-color);
    border: 1px solid #ddd;
}

.compact-list {
    padding-left: 20px;
}

.compact-list li {
    position: relative;
    padding-left: 15px;
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.compact-list li:before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--secondary-color);
}

.sprint-diagram {
    padding-left: 20px;
}

.architecture-diagram,
.ui-mockup {
    margin-bottom: 20px;
    text-align: center;
}

.architecture-diagram img,
.ui-mockup img {
    max-width: 100%;
    height: auto;
    border-radius: 5px;
    box-shadow: var(--box-shadow);
}

.artifact-box {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
}

.artifact-box h6 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.model-components {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.model-box {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
}

.model-box h6 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.model-box p {
    font-size: 0.9rem;
    color: #666;
}

.model-metrics {
    margin-top: 20px;
}

.metrics-box {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
}

.deployment-strategy {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.strategy-phase {
    display: flex;
    align-items: center;
    background-color: #f8f9fa;
    padding: 10px 15px;
    border-radius: 8px;
    flex: 1;
    margin: 0 10px;
}

.phase-number {
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    margin-right: 10px;
}

.phase-details h6 {
    font-size: 1rem;
    margin-bottom: 5px;
    color: var(--primary-color);
}

.phase-details p {
    font-size: 0.85rem;
    color: #666;
    margin: 0;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.result-box {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
}

.result-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--secondary-color);
    display: block;
    margin-bottom: 8px;
}

.result-label {
    font-size: 0.85rem;
    color: #666;
}

.personas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.persona-card {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
}

.persona-card h6 {
    font-size: 1rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.journey-map {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
}

.journey-stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    text-align: center;
    position: relative;
}

.journey-stage:not(:last-child):after {
    content: '';
    position: absolute;
    top: 15px;
    right: -10px;
    width: 20px;
    height: 2px;
    background-color: #ddd;
}

.stage-label {
    background-color: var(--primary-color);
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-bottom: 10px;
}

.pain-point {
    background-color: rgba(231, 76, 60, 0.1);
    border-left: 3px solid var(--failure-color);
    padding: 5px 10px;
    font-size: 0.8rem;
    color: #666;
    max-width: 90%;
}

.hybrid-workflow {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.workflow-stage {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    flex: 1;
}

.workflow-arrow {
    margin: 0 15px;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.stage-heading {
    background-color: var(--primary-color);
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 10px;
    text-align: center;
}

.key-lessons {
    margin-top: 50px;
}

.key-lessons h4 {
    font-size: 1.8rem;
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary-color);
}

.lessons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.lesson-card {
    background-color: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.lesson-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.lesson-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: white;
    font-size: 1.2rem;
}

.lesson-card h5 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.lesson-card p {
    color: #666;
    font-size: 0.95rem;
}

@media (max-width: 992px) {
    .sprint-content {
        grid-template-columns: 1fr;
    }
    
    .deployment-strategy,
    .hybrid-workflow {
        flex-direction: column;
        gap: 15px;
    }
    
    .workflow-arrow {
        transform: rotate(90deg);
        margin: 10px 0;
    }
    
    .strategy-phase {
        margin: 5px 0;
    }
}

@media (max-width: 768px) {
    .example-tab {
        padding: 10px 15px;
        font-size: 0.9rem;
        margin: 0 5px;
    }
    
    .model-components,
    .results-grid,
    .personas-grid {
        grid-template-columns: 1fr;
    }
    
    .journey-map {
        flex-direction: column;
        gap: 15px;
    }
    
    .journey-stage:not(:last-child):after {
        display: none;
    }
}

/* Interactive Journey */
.interactive-journey {
    background-color: #f8f9fa;
    padding: 80px 0;
}

.journey-container {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    max-width: 900px;
    margin: 0 auto;
}

.journey-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.journey-title h3 {
    font-size: 1.6rem;
    margin: 0;
    color: var(--primary-color);
}

.journey-progress {
    display: flex;
    align-items: center;
}

.progress-bar {
    width: 160px;
    height: 10px;
    background-color: #ecf0f1;
    border-radius: 10px;
    margin-right: 15px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--secondary-color);
    width: 0%; /* Initial value, will be updated via JS */
    border-radius: 10px;
    transition: width 0.5s ease;
}

.progress-text {
    font-size: 0.9rem;
    color: #666;
}

.journey-scenario-container {
    margin-bottom: 30px;
}

.journey-scenario {
    position: relative;
    background-color: #f8f9fa;
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 30px;
}

.journey-scenario h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.journey-scenario p {
    margin-bottom: 15px;
}

.journey-scenario-img {
    margin: 20px 0;
    text-align: center;
}

.journey-scenario-img img {
    max-width: 100%;
    border-radius: 8px;
    box-shadow: var(--box-shadow);
}

.scenario-stakeholders {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 15px 0;
}

.stakeholder {
    background-color: rgba(44, 62, 80, 0.1);
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--primary-color);
}

.journey-options {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin-bottom: 30px;
}

.journey-option {
    background-color: white;
    border: 2px solid #ecf0f1;
    border-radius: 8px;
    padding: 15px 20px;
    cursor: pointer;
    transition: var(--transition);
}

.journey-option:hover {
    border-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

.journey-option.selected {
    border-color: var(--secondary-color);
    background-color: rgba(26, 188, 156, 0.05);
}

.journey-option.correct {
    border-color: var(--success-color);
    background-color: rgba(39, 174, 96, 0.05);
}

.journey-option.incorrect {
    border-color: var(--failure-color);
    background-color: rgba(231, 76, 60, 0.05);
}

.journey-option h5 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.journey-option p {
    font-size: 0.9rem;
    color: #666;
}

.journey-feedback {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 30px;
    display: none; /* Initially hidden, shown after selection */
}

.journey-feedback.correct {
    background-color: rgba(39, 174, 96, 0.1);
    border-left: 4px solid var(--success-color);
}

.journey-feedback.incorrect {
    background-color: rgba(231, 76, 60, 0.1);
    border-left: 4px solid var(--failure-color);
}

.journey-feedback h5 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.journey-feedback h5 i {
    margin-right: 10px;
}

.journey-feedback.correct h5 {
    color: var(--success-color);
}

.journey-feedback.incorrect h5 {
    color: var(--failure-color);
}

.journey-feedback p {
    margin-bottom: 10px;
}

.journey-feedback ul {
    padding-left: 20px;
    margin-bottom: 10px;
}

.journey-feedback ul li {
    position: relative;
    padding-left: 15px;
    margin-bottom: 8px;
}

.journey-feedback ul li:before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--secondary-color);
}

.journey-navigation {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.journey-btn {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
}

.journey-btn:hover {
    background-color: #16a085;
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

.journey-btn.secondary {
    background-color: #ecf0f1;
    color: var(--primary-color);
}

.journey-btn.secondary:hover {
    background-color: #bdc3c7;
}

.journey-btn:disabled {
    background-color: #bdc3c7;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.journey-result {
    text-align: center;
    padding: 30px 0;
}

.journey-result h4 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.journey-result .score {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 20px;
    display: block;
}

.journey-result p {
    margin-bottom: 20px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.journey-mistakes {
    text-align: left;
    background-color: rgba(231, 76, 60, 0.05);
    border-radius: 8px;
    padding: 20px;
    margin: 20px 0;
}

.journey-mistakes h5 {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.journey-badges {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 30px 0;
}

.journey-badge {
    text-align: center;
}

.badge-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    color: white;
    font-size: 2rem;
}

.badge-name {
    font-weight: 600;
    color: var(--primary-color);
}

.badge-description {
    font-size: 0.85rem;
    color: #666;
    max-width: 150px;
}

@media (max-width: 768px) {
    .journey-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .journey-navigation {
        flex-direction: column;
    }
    
    .journey-badges {
        flex-wrap: wrap;
    }
}

/* Interactive Quiz */
.interactive-quiz {
    background-color: #f8f9fa;
}

.quiz-container {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: var(--box-shadow);
    max-width: 800px;
    margin: 0 auto;
}

.quiz-question {
    margin-bottom: 30px;
}

.quiz-question h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
}

.quiz-options {
    display: grid;
    gap: 10px;
}

.quiz-option {
    padding: 15px;
    border: 2px solid #ddd;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
}

.quiz-option:hover {
    border-color: var(--secondary-color);
    background-color: rgba(26, 188, 156, 0.05);
}

.quiz-option.selected {
    border-color: var(--secondary-color);
    background-color: rgba(26, 188, 156, 0.1);
}

#submit-quiz {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 1rem;
    border-radius: 30px;
    cursor: pointer;
    margin-top: 20px;
    display: block;
    width: 200px;
    margin-left: auto;
    margin-right: auto;
    transition: var(--transition);
}

#submit-quiz:hover {
    background-color: #16a085;
    transform: translateY(-3px);
}

#results {
    margin-top: 30px;
    padding: 20px;
    border-radius: 10px;
    display: none;
}

.correct-answer {
    color: var(--success-color);
    font-weight: 500;
}

.wrong-answer {
    color: var(--failure-color);
    font-weight: 500;
}

.explanation {
    margin-top: 10px;
    padding: 15px;
    background-color: #f8f9fa;
    border-radius: 5px;
}

/* Footer */
footer {
    background-color: var(--primary-color);
    padding: 70px 0 20px;
    color: white;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-logo h2 {
    color: white;
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.footer-logo span {
    color: var(--secondary-color);
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links {
    display: flex;
    justify-content: space-between;
}

.footer-section h3 {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
}

.footer-section h3:after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--secondary-color);
}

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

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* Resource Modal */
.resource-modal {
    display: none;
    position: fixed;
    z-index: 1100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    overflow: auto;
}

.modal-content {
    background-color: #fefefe;
    margin: 10% auto;
    padding: 30px;
    border-radius: 10px;
    width: 80%;
    max-width: 700px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.3);
    position: relative;
    animation: modalFadeIn 0.3s ease;
}

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

.close-modal {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 1.5rem;
    cursor: pointer;
    color: #999;
    transition: var(--transition);
}

.close-modal:hover {
    color: var(--primary-color);
}

.modal-body h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.resource-list {
    margin-top: 30px;
}

.resource-item {
    display: flex;
    align-items: center;
    padding: 15px;
    margin-bottom: 15px;
    border-radius: 5px;
    background-color: #f8f9fa;
    transition: var(--transition);
}

.resource-item:hover {
    transform: translateX(5px);
    box-shadow: var(--box-shadow);
}

.resource-item i {
    font-size: 2rem;
    margin-right: 20px;
    color: var(--secondary-color);
}

.resource-info h4 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.resource-info p {
    font-size: 0.9rem;
    color: #666;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-content {
        margin-bottom: 40px;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    header {
        padding: 15px 0;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: white;
        transition: var(--transition);
        z-index: 100;
    }
    
    .nav-links.show {
        left: 0;
    }
    
    .nav-links ul {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        height: 100%;
    }
    
    .nav-links li {
        margin: 15px 0;
    }
    
    .hamburger {
        display: block;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 6px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -6px);
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .hero-content h2 {
        font-size: 1.5rem;
    }
    
    .complexity-grid,
    .comparison-container {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
    }
    
    .footer-section {
        margin-bottom: 30px;
    }
}

@media (max-width: 576px) {
    .cta-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .case-tabs {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        margin-bottom: 10px;
    }
}