:root {
            --primary: #2563eb;
            --primary-dark: #1e40af;
            --primary-light: #3b82f6;
            --secondary: #06b6d4;
            --success: #10b981;
            --warning: #f59e0b;
            --danger: #ef4444;
            --dark: #1f2937;
            --light: #f9fafb;
            --border: #e5e7eb;
            --text: #374151;
            --text-light: #6b7280;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            color: var(--text);
            line-height: 1.6;
            background: #fff;
        }

        /* HEADER & NAVIGATION */
        header {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
            color: white;
        }

        .logo-icon {
            font-size: 2rem;
        }

        .nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
}

        .nav-links a {
            color: white;
            text-decoration: none;
            transition: opacity 0.3s;
            font-size: 0.95rem;
        }

        .nav-links a:hover {
            opacity: 0.8;
            text-decoration: underline;
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            gap: 0.3rem;
            cursor: pointer;
        }

        .mobile-menu span {
            width: 25px;
            height: 3px;
            background: white;
            border-radius: 2px;
        }

        /* HERO SECTION */
        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            padding: 4rem 2rem;
            text-align: center;
        }

        .hero-content {
            max-width: 900px;
            margin: 0 auto;
        }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            font-weight: 800;
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.95;
        }

        .search-container {
            display: flex;
            gap: 0.5rem;
            max-width: 600px;
            margin: 0 auto 2rem;
            background: white;
            border-radius: 50px;
            padding: 0.5rem;
        }

        .search-container input {
            flex: 1;
            border: none;
            padding: 0.8rem 1.5rem;
            font-size: 1rem;
            border-radius: 50px;
            outline: none;
        }

        .search-container a {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
            text-decoration: none;
        }

        .search-container a:hover {
            background: var(--primary-dark);
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            padding: 0.8rem 2rem;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
            text-decoration: none;
            display: inline-block;
        }

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

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 20px rgba(0,0,0,0.2);
        }

        .btn-secondary {
            background: transparent;
            color: white;
            border: 2px solid white;
        }

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

        /* DISCLAIMER BANNER */
        .disclaimer-banner {
            background: #fef3c7;
            border-left: 4px solid var(--warning);
            color: var(--dark);
            padding: 1rem;
            margin: 1rem 0;
            border-radius: 4px;
            font-size: 0.9rem;
        }

        .disclaimer-banner strong {
            color: var(--danger);
        }

        /* FEATURES SECTION */
        .features {
            padding: 4rem 2rem;
            background: var(--light);
        }

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

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 0.5rem;
            color: var(--dark);
        }

        .section-subtitle {
            text-align: center;
            color: var(--text-light);
            margin-bottom: 3rem;
            font-size: 1.1rem;
        }

        .tools-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .tool-card {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            text-align: center;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            transition: transform 0.3s, box-shadow 0.3s;
            cursor: pointer;
        }

        .tool-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
        }

        .tool-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }

        .tool-card h3 {
            font-size: 1.3rem;
            margin-bottom: 0.5rem;
            color: var(--dark);
        }

        .tool-card p {
            color: var(--text-light);
            font-size: 0.95rem;
            margin-bottom: 1rem;
        }

        .tool-link {
            color: var(--primary);
            font-weight: 600;
            text-decoration: none;
            display: inline-block;
            transition: gap 0.3s;
        }

        .tool-link:hover {
            text-decoration: underline;
        }

        /* BLOG SECTION */
        .blog {
            padding: 4rem 2rem;
            background: white;
        }

        .blog-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .blog-card {
            background: var(--light);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .blog-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
        }

        .blog-image {
            width: 100%;
            height: 200px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
        }

        .blog-content {
            padding: 1.5rem;
        }

        .blog-date {
            color: var(--text-light);
            font-size: 0.85rem;
            margin-bottom: 0.5rem;
        }

        .blog-card h3 {
            font-size: 1.2rem;
            margin-bottom: 0.8rem;
            color: var(--dark);
        }

        .blog-card p {
            color: var(--text-light);
            font-size: 0.95rem;
            margin-bottom: 1rem;
            line-height: 1.5;
        }

        .read-more {
            color: var(--primary);
            font-weight: 600;
            text-decoration: none;
            cursor: pointer;
        }

        .read-more:hover {
            text-decoration: underline;
        }

        /* PAGES - HIDDEN BY DEFAULT */
        .page {
            display: none;
            padding: 3rem 2rem;
            min-height: 60vh;
            max-width: 1000px;
            margin: 0 auto;
        }

        .page.active {
            display: block;
            animation: fadeIn 0.3s;
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        h1 {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            color: var(--dark);
        }

        h2 {
            font-size: 1.8rem;
            margin-top: 2rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }

        h3 {
            font-size: 1.3rem;
            margin-top: 1.5rem;
            margin-bottom: 0.8rem;
            color: var(--dark);
        }

        p {
            margin-bottom: 1rem;
            line-height: 1.8;
        }

        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1rem;
        }

        li {
            margin-bottom: 0.5rem;
        }

        /* TOOL PAGES */
        .tool-page {
            background: var(--light);
        }

        .tool-header {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            padding: 2rem;
            border-radius: 12px;
            margin-bottom: 2rem;
            text-align: center;
        }

        .tool-header h1 {
            color: white;
            font-size: 2rem;
            margin-bottom: 0.5rem;
        }

        .tool-header p {
            opacity: 0.95;
            font-size: 1.1rem;
        }

        .tool-section {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            margin-bottom: 2rem;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark);
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid var(--border);
            border-radius: 6px;
            font-size: 1rem;
            font-family: inherit;
        }

        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }

        .result-box {
            background: #d1fae5;
            border-left: 4px solid var(--success);
            padding: 1.5rem;
            border-radius: 6px;
            margin-top: 1.5rem;
            display: none;
        }

        .result-box.show {
            display: block;
        }

        .warning-box {
            background: #fee2e2;
            border-left: 4px solid var(--danger);
            padding: 1.5rem;
            border-radius: 6px;
            margin-top: 1.5rem;
            display: none;
        }

        .warning-box.show {
            display: block;
        }

        .info-box {
            background: #dbeafe;
            border-left: 4px solid var(--primary);
            padding: 1.5rem;
            border-radius: 6px;
            margin-bottom: 1.5rem;
        }

        /* FOOTER */
        footer {
            background: var(--dark);
            color: white;
            padding: 1rem 2rem;
            margin-top: 4rem;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-section h4 {
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }

        .footer-section ul {
            list-style: none;
            margin-left: 0rem!important;
        }

        .footer-section a {
            color: #d1d5db;
            text-decoration: none;
            transition: color 0.3s;
            display: block;
            margin-bottom: 0.5rem;
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #374151;
            color: #9ca3af;
            font-size: 0.9rem;
        }

        /* RESPONSIVE */
        @media (max-width: 768px) {
            .container{
                margin:2rem;
            }
            .nav-links {
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #111;
                flex-direction: column;
                align-items: center;
                gap: 1.5rem;
                padding: 1.5rem 0;

                /* hidden by default */
                display: none;
            }

            .nav-links.active {
                display: flex;
            }

            .mobile-menu {
                display: flex;
            }

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

            .hero p {
                font-size: 1rem;
            }

            .search-container {
                flex-direction: column;
            }

            .section-title {
                font-size: 2rem;
            }

            .hero-buttons {
                flex-direction: column;
            }

            .hero-buttons .btn {
                width: 100%;
            }

            .mobile-menu {
                display: flex;
            }
            .page {
                padding: 2rem 1rem;
            }

            .page h1 {
                font-size: 1.8rem;
            }

            .tools-grid,
            .blog-grid {
                grid-template-columns: 1fr;
            }
        }

        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.5);
            overflow-y: auto;
        }

        .modal.active {
            display: block;
        }

        .modal-content {
            background-color: white;
            margin: 5% auto;
            padding: 2rem;
            border-radius: 12px;
            width: 90%;
            max-width: 700px;
            max-height: 80vh;
            overflow-y: auto;
        }

        .close-modal {
            color: var(--text-light);
            float: right;
            font-size: 2rem;
            font-weight: bold;
            cursor: pointer;
            transition: color 0.3s;
        }

        .close-modal:hover {
            color: var(--dark);
        }

        .table-container {
            overflow-x: auto;
            margin: 1rem 0;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            margin: 1rem 0;
        }

        table th, table td {
            padding: 0.8rem;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }

        table th {
            background: var(--light);
            font-weight: 600;
            color: var(--dark);
        }

        table tr:hover {
            background: var(--light);
        }