* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --primary-blue: #1E88E5;
    --baby-blue: #90CAF9;
    --light-bg: #F5F7FA;
    --dark-text: #263238;
    --white: #FFFFFF;
    --success: #4CAF50;
    --warning: #FF9800;
}

body {
    background-color: var(--light-bg);
    color: var(--dark-text);
    line-height: 1.6;
    direction: rtl;
}

.navbar {
    background: var(--white);
    padding: 1rem 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo span {
    color: var(--baby-blue);
    font-size: 1.2rem;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
}

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

.nav-link:hover {
    background: var(--baby-blue);
    color: var(--white);
}

.hero {
    background: linear-gradient(135deg, var(--primary-blue), var(--baby-blue));
    color: white;
    padding: 4rem 2rem;
    text-align: center;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.search-bar {
    max-width: 600px;
    margin: 2rem auto;
    display: flex;
    background: white;
    border-radius: 50px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.search-bar input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: none;
    font-size: 1rem;
    outline: none;
}

.search-bar button {
    padding: 0 2rem;
    background: var(--dark-text);
    color: white;
    border: none;
    cursor: pointer;
    transition: background 0.3s;
}

.search-bar button:hover {
    background: #37474F;
}

.categories {
    padding: 3rem 2rem;
    text-align: center;
}

.categories h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--dark-text);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.category-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.2rem;
    font-weight: bold;
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    background: var(--baby-blue);
    color: var(--white);
}

.featured-ads {
    padding: 3rem 2rem;
    background: var(--white);
    margin: 2rem;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.featured-ads h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: var(--dark-text);
    text-align: center;
}

.ads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.ad-card {
    background: var(--light-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

.ad-image {
    background: var(--baby-blue);
    padding: 2rem;
    text-align: center;
    font-size: 3rem;
}

.ad-content {
    padding: 1.5rem;
}

.ad-price {
    color: var(--primary-blue);
    font-weight: bold;
    font-size: 1.3rem;
    margin: 0.5rem 0;
}

.ad-location {
    color: var(--dark-text);
    opacity: 0.7;
}

.disclaimer {
    background: #FFF3E0;
    border: 2px solid var(--warning);
    border-radius: 10px;
    padding: 1.5rem;
    margin: 2rem;
    text-align: center;
}

.disclaimer h3 {
    color: var(--warning);
    margin-bottom: 1rem;
}

.footer {
    background: var(--dark-text);
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .ads-grid {
        grid-template-columns: 1fr;
    }
}