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

        :root {
            --primary: #2c5aa0;
            --secondary: #f8a01c;
            --gray: #f5f7fa;
            --dark: #333;
            --gray: #777;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

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

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

        
        header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
        }

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

        .nav-links {
            display: flex;
            list-style: none;
        }

        .nav-links li {
            margin-left: 25px;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            transition: color 0.3s;
        }

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

        .auth-buttons {
            display: flex;
            gap: 10px;
        }

        .btn {
            padding: 8px 20px;
            border-radius: 4px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
            border: none;
        }

        .btn-login {
            background-color: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }

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

        .btn:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        
        .hero {
            background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://images.unsplash.com/photo-1560518883-ce09059eeffa?ixlib=rb-1.2.1&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 80px 0;
            text-align: center;
        }

        .hero h1 {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }

        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 30px;
        }

        .btn-hero {
            background-color: var(--secondary);
            color: white;
            padding: 12px 30px;
            font-size: 1.1rem;
        }

        /* Featured Listings */
        .section-title {
            text-align: center;
            margin: 50px 0 30px;
            font-size: 2rem;
            color: var(--primary);
        }

        .listings-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
            margin-bottom: 50px;
        }

        .listing-card {
            background-color: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform 0.3s;
        }

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

        .listing-image {
            height: 200px;
            position: relative;
            overflow: hidden;
        }

        .listing-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .listing-card:hover .listing-image img {
            transform: scale(1.05);
        }

        .image-slider {
            position: relative;
            height: 100%;
        }

        .slider-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background-color: rgba(0, 0, 0, 0.5);
            color: white;
            border: none;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 10;
        }

        .prev-btn {
            left: 10px;
        }

        .next-btn {
            right: 10px;
        }

        .listing-details {
            padding: 20px;
        }

        .listing-price {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .listing-title {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

        .listing-location {
            color: var(--gray);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }

        .listing-location i {
            margin-right: 5px;
        }

        .listing-features {
            display: flex;
            justify-content: space-between;
            margin-top: 15px;
            padding-top: 15px;
            border-top: 1px solid #eee;
        }

        .feature {
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .feature span:first-child {
            font-weight: 600;
        }

        .feature span:last-child {
            font-size: 0.9rem;
            color: var(--gray);
        }

        
        .search-section {
            background-color: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            margin: 40px 0;
        }

        .search-form {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
        }

        .form-group label {
            margin-bottom: 5px;
            font-weight: 500;
        }

        .form-control {
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
        }

        .btn-search {
            background-color: var(--primary);
            color: white;
            align-self: flex-end;
        }

        
        .about-section {
            padding: 60px 0;
            background-color: white;
        }

        .about-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .about-content p {
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

        
        footer {
            background-color: var(--dark);
            color: white;
            padding: 50px 0 20px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .footer-column h3 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

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

        .footer-links {
            list-style: none;
        }

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

        .footer-links a {
            color: #bbb;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-links a:hover {
            color: white;
        }

        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #444;
            color: #bbb;
            font-size: 0.9rem;
        }

        
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 1000;
            align-items: center;
            justify-content: center;
        }

        .modal-content {
            background-color: white;
            border-radius: 8px;
            width: 90%;
            max-width: 500px;
            padding: 30px;
            position: relative;
        }

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

        .modal-title {
            margin-bottom: 20px;
            color: var(--primary);
        }

        .modal-form .form-group {
            margin-bottom: 15px;
        }

        .btn-submit {
            background-color: var(--primary);
            color: white;
            width: 100%;
            margin-top: 10px;
        }

        /* Listing Detail Modal */
        .listing-modal {
            max-width: 800px;
        }

        .listing-detail {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .detail-images {
            position: relative;
        }

        .detail-images img {
            width: 100%;
            border-radius: 8px;
        }

        .detail-info h2 {
            margin-bottom: 10px;
            color: var(--primary);
        }

        .detail-price {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 15px;
        }

        .detail-description {
            margin-bottom: 20px;
        }

        .contact-info {
            background-color: #f9f9f9;
            padding: 15px;
            border-radius: 8px;
        }

        .contact-info h3 {
            margin-bottom: 10px;
        }

        
        @media (max-width: 768px) {
            .navbar {
                flex-direction: column;
                padding: 15px 0;
            }

            .nav-links {
                margin: 15px 0;
                flex-wrap: wrap;
                justify-content: center;
            }

            .nav-links li {
                margin: 5px 10px;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .listings-grid {
                grid-template-columns: 1fr;
            }

            .search-form {
                grid-template-columns: 1fr;
            }

            .listing-detail {
                grid-template-columns: 1fr;
            }

            .footer-content {
                grid-template-columns: 1fr;
            }
        }