* {
    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-color: #f8f9fa;
}

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

/* Header */
header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

nav h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

nav a:hover {
    opacity: 0.8;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero .subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Content Sections */
.content-section {
    padding: 4rem 0;
    background: white;
    margin: 2rem 0;
    border-radius: 10px;
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
}

.content-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #2c3e50;
    text-align: center;
}

.content-section p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #555;
}

/* Cost Summary */
.cost-summary {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    margin: 2rem 0;
}

.cost-summary h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.cost-summary ul {
    list-style: none;
}

.cost-summary li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #e9ecef;
}

.cost-summary li:last-child {
    border-bottom: none;
}

/* Salary Grid */
.salary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.salary-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s;
}

.salary-card:hover {
    transform: translateY(-5px);
}

.salary-card h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.salary {
    font-size: 1.5rem;
    font-weight: 700;
    color: #27ae60;
    margin-bottom: 1rem;
}

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

.overhead-item {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
}

.overhead-item h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.tool-category {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
}

.tool-category h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.tool-category ul {
    list-style: none;
}

.tool-category li {
    padding: 0.5rem 0;
    border-bottom: 1px solid #e9ecef;
}

.tool-category li:last-child {
    border-bottom: none;
}

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

.strategy {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
}

.strategy h3 {
    color: #2c3e50;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* Footer */
footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 4rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .content-section h2 {
        font-size: 2rem;
    }
    
    nav ul {
        gap: 1rem;
    }
    
    .salary-grid,
    .overhead-grid,
    .tools-grid,
    .strategies {
        grid-template-columns: 1fr;
    }
}