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

:root {
    --primary-green: #5FA052;
    --dark-green: #4A7C3F;
    --light-green: #E8F5E6;
    --linkedin-blue: #0077B5;
    --text-dark: #2C3E50;
    --text-light: #6C757D;
    --white: #FFFFFF;
    --background: #F8F9FA;
    --border: #DEE2E6;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--background);
}

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

/* Header - New Design */
header {
    background: var(--white);
    padding: 1rem 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo-container {
    display: flex;
    align-items: center;
}

.logo-container img {
    height: 60px;
    width: auto;
}

/* Navigation */
nav {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

nav a {
    color: var(--text-dark);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: all 0.3s;
    font-weight: 500;
}

nav a:hover {
    background: var(--light-green);
    color: var(--primary-green);
}

nav a.active {
    background: var(--primary-green);
    color: var(--white);
}

/* Breadcrumb */
.breadcrumb {
    background: var(--white);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
}

.breadcrumb a {
    color: var(--primary-green);
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    color: var(--text-light);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--light-green) 0%, var(--white) 100%);
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    color: var(--primary-green);
    font-size: 2.8rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero .subtitle {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.hero p {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto 2rem;
    color: var(--text-dark);
}

/* Buttons */
.btn-primary,
.cta-button {
    display: inline-block;
    background: var(--primary-green);
    color: #FFFFFF !important;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
}

.btn-primary:hover,
.cta-button:hover {
    background: var(--dark-green);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(95, 160, 82, 0.3);
}

.btn-secondary {
    display: inline-block;
    background: var(--white);
    color: var(--primary-green);
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
    border: 2px solid var(--primary-green);
}

.btn-secondary:hover {
    background: var(--light-green);
    transform: translateY(-2px);
}

/* Features Grid */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.feature {
    text-align: center;
    padding: 1.5rem;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature h3 {
    color: var(--primary-green);
    margin-bottom: 0.5rem;
}

/* Sections */
.section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    color: var(--primary-green);
    font-size: 2.2rem;
    margin-bottom: 3rem;
    font-weight: 700;
}

/* Modules Grid */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.module-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s;
    border-top: 4px solid var(--primary-green);
}

.module-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.module-header {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--dark-green) 100%);
    color: var(--white);
    padding: 1.5rem;
}

.module-number {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 0.5rem;
}

.module-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.module-subtitle {
    font-size: 0.95rem;
    opacity: 0.9;
}

.module-content {
    padding: 1.5rem;
}

.module-description {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.module-link {
    display: block;
    background: var(--primary-green);
    color: #FFFFFF !important;
    text-align: center;
    padding: 0.8rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s;
}

.module-link:hover {
    background: var(--dark-green);
}

/* Module Page */
.module-page {
    background: var(--white);
    padding: 3rem 0;
}

.module-header-page {
    text-align: center;
    margin-bottom: 2rem;
}

.module-tag {
    display: inline-block;
    background: var(--primary-green);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.module-header-page h1 {
    color: var(--primary-green);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.module-meta {
    color: var(--text-light);
    font-size: 1.1rem;
}

/* Video Container */
.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    margin: 2rem 0;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Article Content */
.article-content {
    max-width: 900px;
    margin: 3rem auto;
    padding: 0 20px;
}

.article-intro {
    background: var(--light-green);
    padding: 2rem;
    border-left: 4px solid var(--primary-green);
    margin: 2rem 0;
    border-radius: 8px;
}

.lead {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-dark);
}

.article-content h2 {
    color: var(--primary-green);
    font-size: 1.8rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-green);
}

.article-content h3 {
    color: var(--dark-green);
    font-size: 1.4rem;
    margin-top: 2rem;
    margin-bottom: 0.8rem;
}

.article-content p {
    margin-bottom: 1rem;
    font-size: 1.05rem;
    line-height: 1.8;
}

.article-content ul,
.article-content ol {
    margin-left: 2rem;
    margin-bottom: 1.5rem;
}

.article-content li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.article-content a {
    color: var(--primary-green);
    text-decoration: none;
    font-weight: 600;
}

.article-content a:hover {
    text-decoration: underline;
}

/* Boxes */
.tip-box {
    background: linear-gradient(135deg, #E3F2FD 0%, #BBDEFB 100%);
    padding: 1.5rem;
    border-radius: 10px;
    margin: 2rem 0;
    border-left: 5px solid var(--linkedin-blue);
}

.tip-box h3 {
    color: var(--linkedin-blue);
    margin-top: 0;
    margin-bottom: 1rem;
}

.warning-box {
    background: #FFF3CD;
    padding: 1.5rem;
    border-radius: 10px;
    margin: 2rem 0;
    border-left: 5px solid #FFC107;
}

.warning-box h3 {
    color: #856404;
    margin-top: 0;
    margin-bottom: 1rem;
}

.success-box {
    background: var(--light-green);
    padding: 1.5rem;
    border-radius: 10px;
    margin: 2rem 0;
    border-left: 5px solid var(--primary-green);
}

.success-box h3 {
    color: var(--dark-green);
    margin-top: 0;
    margin-bottom: 1rem;
}

/* Tool Cards */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.tool-card {
    background: var(--white);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s;
    border-top: 4px solid var(--primary-green);
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.tool-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-align: center;
}

.tool-card h3 {
    color: var(--primary-green);
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.tool-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

/* Criteria Grid */
.criteria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.criteria-card {
    background: var(--light-green);
    padding: 1.5rem;
    border-radius: 10px;
    border-top: 3px solid var(--primary-green);
}

.criteria-card h3 {
    color: var(--primary-green);
    margin-top: 0;
    margin-bottom: 0.8rem;
}

/* Navigation Buttons */
.navigation-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border);
    flex-wrap: wrap;
    gap: 1rem;
}

.navigation-buttons .btn-primary,
.navigation-buttons .btn-secondary {
    min-width: 200px;
    text-align: center;
}

/* Footer */
footer {
    background: var(--text-dark);
    color: var(--white);
    text-align: center;
    padding: 3rem 0;
    margin-top: 4rem;
}

footer a {
    color: var(--primary-green);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Affiliate Badge */
.affiliate-badge {
    display: inline-block;
    background: #FFF3CD;
    color: #856404;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

/* Code Block */
.code-block {
    background: #2D2D2D;
    color: #F8F8F2;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    margin: 1.5rem 0;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
}

thead {
    background: var(--primary-green);
    color: var(--white);
}

th, td {
    padding: 1rem;
    text-align: left;
    border: 1px solid var(--border);
}

tr:nth-child(even) {
    background: var(--background);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .module-header-page h1 {
        font-size: 1.8rem;
    }
    
    .article-content h2 {
        font-size: 1.5rem;
    }
    
    .navigation-buttons {
        flex-direction: column;
    }
    
    .navigation-buttons .btn-primary,
    .navigation-buttons .btn-secondary {
        width: 100%;
    }
    
    nav {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .modules-grid,
    .tools-grid,
    .criteria-grid {
        grid-template-columns: 1fr;
    }
}