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


        
        :root {
            --primary: #1a5276;
            --secondary: #d68910;
            --accent: #a93226;
            --light: #f8f9f9;
            --dark: #17202a;
            --gray: #7f8c8d;
            --success: #28b463;

            --primary-color: #2c3e50;
            --secondary-color: #3498db;
            --accent-color: #9b59b6;
            --text-color: #333;
            --light-text: #777;
            --light-bg: #f8f9fa;
            --white: #fff;
            --border-color: #e1e5eb;
            --success-color: #27ae60;
            --danger-color: #e74c3c;
            --warning-color: #f39c12;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }

        html {
        scroll-behavior: smooth;
        }
        
        body {
            background-color: #f2f3f4;
            color: #333;
            line-height: 1.6;
            font-family: 'Poppins', sans-serif;
            color: var(--text-color);
            line-height: 1.6;
             overflow-x: hidden;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* Header Styles */
        header {
            background-color: white;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        .header-first-line {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            border-bottom: 1px solid #eee;
        }
        
        .logo-container {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .logo {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px;
        }
        
        .site-name h1 {
            color: var(--primary);
            font-size: 28px;
            letter-spacing: 1px;
        }
        
        .site-name p {
            color: var(--secondary);
            font-size: 14px;
            font-weight: 500;
        }
        
        .user-status {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--dark);
            font-weight: 500;
        }
        
        .user-status i {
            color: var(--secondary);
        }
        
        .header-second-line {
            padding: 10px 0;
        }
        
        .nav-tabs {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 600;
            font-size: 16px;
            transition: all 0.3s ease;
            padding: 8px 5px;
            position: relative;
        }
        
        .nav-links a:hover {
            color: var(--primary);
        }
        
        .nav-links a:hover::after {
            content: '';
            position: absolute;
            width: 100%;
            height: 3px;
            background-color: var(--secondary);
            bottom: -5px;
            left: 0;
        }
        
        .gems-post-btn {
            background: linear-gradient(to right, var(--secondary), var(--accent));
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s ease;
        }
        
        .gems-post-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(214, 137, 16, 0.3);
        }
        
        .mobile-menu-btn {
            display: none;
            font-size: 24px;
            background: none;
            border: none;
            color: var(--primary);
            cursor: pointer;
        }
        
        /* Hero Section */
        .hero-section {
            background: linear-gradient(rgba(18, 90, 153, 0.4), rgba(23, 32, 42, 0.4)), url('/uploads/banner/mainbanner.jpg');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
            padding: 80px 20px;
            margin-bottom: 40px;
            border-radius: 0 0 10px 10px;
        }
        
        .hero-section h2 {
            font-size: 42px;
            margin-bottom: 15px;
        }
        
        .hero-section p {
            font-size: 18px;
            max-width: 700px;
            margin: 0 auto 30px;
            color: #ddd;
        }
        
        .search-box {
            background-color: white;
            max-width: 700px;
            margin: 0 auto;
            border-radius: 50px;
            padding: 10px;
            display: flex;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
        }
        
        .search-box input {
            flex: 1;
            border: none;
            padding: 15px 20px;
            font-size: 16px;
            border-radius: 50px;
            outline: none;
        }
        
        .search-box button {
            background: linear-gradient(to right, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .search-box button:hover {
            opacity: 0.9;
        }
        
        /* Featured Gems Section */
        .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        
        .section-title h2 {
            color: var(--primary);
            font-size: 26px;
            margin-bottom: 10px;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            width: 70%;
            height: 4px;
            background-color: var(--secondary);
            bottom: -10px;
            left: 15%;
        }
        
        .gems-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 25px;
            margin-bottom: 50px;
        }
        
        .gem-card {
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }
        
        .gem-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .gem-image {
            height: 200px;
            background-size: cover;
            background-position: center;
        }
        
        .gem-details {
            padding: 20px;
        }
        
        .gem-name {
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 5px;
        }
        
        .gem-seller {
            color: var(--gray);
            font-size: 14px;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 5px;
        }
        
        .gem-price {
            font-size: 22px;
            color: var(--accent);
            font-weight: 700;
            margin-bottom: 15px;
        }
        
        .gem-bid-info {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px solid #eee;
        }
        
        .current-bid {
            font-size: 14px;
            color: var(--gray);
        }
        
        .bid-count {
            background-color: var(--light);
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
        }
        
        .bid-btn {
            width: 100%;
            padding: 10px;
            background-color: var(--primary);
            color: white;
            border: none;
            border-radius: 5px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .bid-btn:hover {
            background-color: var(--secondary);
        }
        
        /* How it Works Section */
        .how-it-works {
            background-color: white;
            padding: 60px 20px;
            margin: 40px 0;
            border-radius: 10px;
        }
        
        .steps {
            display: flex;
            justify-content: space-between;
            margin-top: 40px;
            flex-wrap: wrap;
            gap: 20px;
        }
        
        .step {
            flex: 1;
            min-width: 250px;
            text-align: center;
            padding: 20px;
        }
        
        .step-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: white;
            font-size: 30px;
        }
        
        .step h3 {
            color: var(--primary);
            margin-bottom: 10px;
        }
        
        /* Footer */
        footer {
            background-color: var(--dark);
            color: white;
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-logo .logo {
            width: 80px;
            height: 80px;
            margin-bottom: 20px;
        }
        
        .footer-logo h3 {
            font-size: 24px;
            margin-bottom: 10px;
            color: white;
        }
        
        .footer-links h4 {
            color: var(--secondary);
            margin-bottom: 20px;
            font-size: 18px;
        }
        
        .footer-links ul {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: #ddd;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .footer-links a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        
        .contact-info {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 15px;
        }
        
        .social-icons {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .social-icons a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: white;
            transition: all 0.3s ease;
        }
        
        .social-icons a:hover {
            background-color: var(--secondary);
            transform: translateY(-5px);
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 14px;
        }
        
        /* Responsive Styles */
        @media (max-width: 992px) {
            .nav-links {
                gap: 15px;
            }
            
            .nav-links a {
                font-size: 15px;
            }
            
            .hero-section h2 {
                font-size: 36px;
            }
        }
        
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            
            .nav-tabs {
                position: relative;
            }
            
            .nav-links {
                position: absolute;
                top: 50px;
                left: 0;
                width: 100%;
                background-color: white;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
                border-radius: 10px;
                display: none;
            }
            
            .nav-links.active {
                display: flex;
            }
            
            .gems-post-btn {
                padding: 10px 20px;
                font-size: 14px;
            }
            
            .hero-section h2 {
                font-size: 28px;
            }
            
            .hero-section p {
                font-size: 16px;
            }
            
            .search-box {
                flex-direction: column;
                border-radius: 10px;
            }
            
            .search-box input, .search-box button {
                border-radius: 10px;
                margin-bottom: 10px;
            }
        }
        
        @media (max-width: 576px) {
            .header-first-line {
                flex-direction: column;
                gap: 15px;
                text-align: center;
            }
            
            .hero-section {
                padding: 50px 20px;
            }
            
            .section-title h2 {
                font-size: 26px;
            }

              .section-title h3 {
                font-size: 12px;
            }


            .section-title p {
                font-size: 12px;
            }
            
            .steps {
                flex-direction: column;
            }
        }



/* Categories */
.categories {
    padding: 80px 0;
    background-color: var(--white);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.category-card {
    background-color: var(--white);
    border-radius: 8px;
    padding: 25px 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

.category-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.category-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 28px;
}

.category-card h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.category-card p {
    font-size: 14px;
    color: var(--light-text);
    margin-bottom: 8px;
}

.count {
    display: inline-block;
    background-color: var(--light-bg);
    color: var(--secondary-color);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}



/* Section Styling */
.section-title {
    font-size: 28px;
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.section-subtitle {
    text-align: center;
    color: var(--light-text);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}