:root {
    --color-primary: #e65100;   
    --color-secondary: #1a237e;   
    --color-dark: #212121;        
    --color-light: #f5f5f5;      
    --color-white: #ffffff;
    
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 32px;
    
    --font-main: Arial, Helvetica, sans-serif;
}

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

body {
    font-family: var(--font-main);
    color: var(--color-dark);
    background-color: var(--color-light);
    line-height: 1.6;
}

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

a {
    text-decoration: none;
    color: inherit;
}

.main-header {
    background-color: var(--color-secondary);
    color: var(--color-white);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    flex-wrap: wrap;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.logo-img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.site-title {
    font-size: 1.5rem;
    font-weight: bold;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.main-nav a {
    color: var(--color-white);
    font-weight: bold;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 4px;
    transition: background-color 0.3s;
}

.main-nav a:hover {
    background-color: var(--color-primary);
}

.banner {
    background-color: var(--color-secondary);
    color: var(--color-white);
    text-align: center;
    padding: 60px var(--spacing-md);
    border-bottom: 5px solid var(--color-primary);
}

.banner-content {
    max-width: 800px;
    margin: 0 auto;
}

.banner h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.banner p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 4px;
    font-weight: bold;
    border: none;
    cursor: pointer;
}

.btn:hover {
    opacity: 0.9;
}

section {
    padding: 40px var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: var(--spacing-lg);
    color: var(--color-secondary);
    border-bottom: 2px solid var(--color-primary);
    display: inline-block;
    padding-bottom: 5px;
}

.categories-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    justify-content: center;
}

.category-card {
    background-color:#666 ;
    border: 1px solid #ddd;
    border-radius: 8px;
    width:150px;
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.category-card img {
    width: 120px;
    height: 120px;
    border-radius: 4px;
}

.category-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.cards-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    justify-content: center;
}

.card {
    background-color: var(--color-white);
    border: 1px solid #ddd;
    border-radius: 8px;
    width: 280px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
}

.card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.card-body {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-body h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--color-secondary);
}

.card-body p {
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.person-card {
    background-color: var(--color-white);
    border: 1px solid #ddd;
    border-radius: 8px;
    width: 250px;
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.person-card img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    margin: 0 auto var(--spacing-sm) auto;
    object-fit: cover;
    border: 3px solid var(--color-primary);
}

.person-card h3 {
    font-size: 1.1rem;
}

.person-card h4 {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: var(--spacing-sm);
}

.person-card p {
    font-style: italic;
    font-size: 0.9rem;
}

.main-footer {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: 30px var(--spacing-md);
    margin-top: 40px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.footer-block {
    flex: 1;
    min-width: 250px;
}

.footer-block h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.footer-block a {
    color: var(--color-white);
    text-decoration: underline;
}

@media (max-width: 768px) {
    .main-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

    .main-nav ul {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .banner h2 {
        font-size: 1.4rem;
    }
}