/* CSS Variables for Consistent Theming */
        :root {
            --primary-color: #1a1a2e;
            --secondary-color: #16213e;
            --accent-color: #e94560;
            --accent-light: #ff6b6b;
            --text-color: #0f3460;
            --text-light: #6c757d;
            --bg-color: #f8f9fa;
            --white: #ffffff;
            --border-radius: 16px;
            --shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
            --shadow-hover: 0 15px 50px rgba(0, 0, 0, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            color: var(--text-color);
            background-color: var(--bg-color);
            line-height: 1.6;
            overflow-x: hidden;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

       

        @keyframes slideDown {
            from {
                transform: translateY(-100%);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            cursor: pointer;
            transition: var(--transition);
            align-content: center;
            justify-content: center;
            width: 100%;
            font-size: 2.5rem !important;
        }

        .logo:hover {
            transform: scale(1.05);
        }

        .logo-icon {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent-color);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.1);
            }
        }

        .logo-text {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--white);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
        }

        .nav-toggle span {
            width: 25px;
            height: 3px;
            background: var(--white);
            margin: 3px 0;
            transition: var(--transition);
            border-radius: 3px;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-menu li a {
            color: var(--white);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            padding: 0.5rem 0;
        }

        .nav-menu li a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-color);
            transition: var(--transition);
        }

        .nav-menu li a:hover::after {
            width: 100%;
        }

        /* Hero Section */
        .hero {
            position: relative;
            background-color: #eee;
            padding: 8rem 0 6rem;
            overflow: hidden;
        }

        .hero-pattern {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            text-align: center;
            animation: fadeInUp 1s ease-out;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(40px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 900;
            color: #333;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }

        .highlight {
            background: linear-gradient(90deg, var(--accent-color), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.25rem;
            color: #333;
            margin-bottom: 2.5rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-button {
            display: inline-block;
            background: var(--accent-color);
            color: var(--white);
            padding: 1rem 3rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            box-shadow: 0 10px 30px rgba(233, 69, 96, 0.3);
            animation: bounce 2s infinite;
        }

        @keyframes bounce {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }

        .cta-button:hover {
            background: var(--accent-light);
            box-shadow: 0 15px 40px rgba(233, 69, 96, 0.4);
            transform: translateY(-2px);
            animation: none;
        }

        /* Tools Section */
        .tools-section {
            padding: 6rem 0;
            background: var(--white);
        }

        .section-title {
            
            font-size: 2.5rem;
            font-weight: 700;
            text-align: center;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }

        .section-subtitle {
            text-align: center;
            color: var(--text-light);
            font-size: 1.1rem;
            margin-bottom: 4rem;
        }

        .category-section {
            margin-bottom: 5rem;
        }

        .category-section:last-child {
            margin-bottom: 0;
        }

        .category-title {
            
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
            text-align: center;
        }

        .category-description {
            text-align: center;
            color: var(--text-light);
            font-size: 1rem;
            margin-bottom: 2.5rem;
        }

        .tools-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            animation: fadeIn 1s ease-out;
        }

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

        .tool-card {
            background: var(--white);
            border-radius: var(--border-radius);
            padding: 2rem;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 2px solid transparent;
            cursor: pointer;
        }

        .tool-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent-color);
        }

        .tool-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1rem;
        }

        .tool-icon {
            font-size: 2.5rem;
        }

        .tool-card h3 {
            
            font-size: 1.3rem;
            color: var(--primary-color);
        }

        .tool-description {
            color: var(--text-light);
            margin-bottom: 1.5rem;
            min-height: 50px;
        }

        .tool-button {
            width: 100%;
            padding: 0.875rem;
            background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
            color: var(--white);
            border: none;
            border-radius: 8px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
        }

        .tool-button:hover {
            transform: scale(1.05);
            box-shadow: 0 8px 20px rgba(233, 69, 96, 0.3);
        }

        /* Modal Styles */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            z-index: 2000;
            align-items: center;
            justify-content: center;
            backdrop-filter: blur(5px);
            animation: fadeIn 0.3s ease-out;
        }

        .modal.active {
            display: flex;
        }

        .modal-content {
            background: var(--white);
            border-radius: var(--border-radius);
            padding: 2.5rem;
            max-width: 600px;
            width: 90%;
            max-height: 90vh;
            overflow-y: auto;
            position: relative;
            animation: slideUp 0.4s ease-out;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }

        @keyframes slideUp {
            from {
                transform: translateY(50px);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        .close-button {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: none;
            border: none;
            font-size: 2rem;
            color: var(--text-light);
            cursor: pointer;
            transition: var(--transition);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .close-button:hover {
            background: var(--bg-color);
            color: var(--accent-color);
            transform: rotate(90deg);
        }

        .calculator-title {
            
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            text-align: center;
        }

        .calculator-form {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .form-group label {
            font-weight: 600;
            color: var(--text-color);
            font-size: 0.95rem;
        }

        .form-group input {
            padding: 1rem;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
            font-family: 'Work Sans', sans-serif;
        }

        .form-group input:focus {
            outline: none;
            border-color: var(--accent-color);
            box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.1);
        }

        .calculate-btn {
            padding: 1.25rem;
            background: linear-gradient(135deg, var(--accent-color), var(--accent-light));
            color: var(--white);
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            margin-top: 1rem;
        }

        .calculate-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(233, 69, 96, 0.3);
        }

        .result-box {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            padding: 2rem;
            border-radius: var(--border-radius);
            text-align: center;
            margin-top: 1.5rem;
            display: none;
            animation: fadeIn 0.5s ease-out;
        }

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

        .result-label {
            color: rgba(255, 255, 255, 0.9);
            font-size: 1rem;
            margin-bottom: 0.5rem;
        }

        .result-value {
            color: var(--white);
            font-size: 2.5rem;
            font-weight: 700;
            
        }

        /* About Section */
        .about-section {
            padding: 6rem 0;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
        }

        .about-content {
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
        }

        .about-content > p {
            font-size: 1.15rem;
            color: var(--text-color);
            margin-bottom: 3rem;
            line-height: 1.8;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .feature {
            background: var(--white);
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .feature:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .feature-icon {
            font-size: 3rem;
            display: block;
            margin-bottom: 1rem;
        }

        .feature h4 {
            
            font-size: 1.3rem;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }

        .feature p {
            color: var(--text-light);
            font-size: 0.95rem;
        }

        /* Footer */
        .footer {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            color: var(--white);
            padding: 4rem 0 2rem;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }

        .footer-description {
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
        }

        .footer-column h4 {
            
            font-size: 1.2rem;
            margin-bottom: 1rem;
            color: var(--accent-color);
        }

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

        .footer-links li {
            margin-bottom: 0.75rem;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }

        .footer-keywords {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            line-height: 1.8;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
        }

        /* Mobile Responsive Styles */
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }

            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                flex-direction: column;
                background: var(--secondary-color);
                padding: 2rem;
                gap: 1.5rem;
                transition: var(--transition);
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            }

            .nav-menu.active {
                left: 0;
            }

            .hero-title {
                font-size: 2.5rem;
            }

            .hero-subtitle {
                font-size: 1.1rem;
            }

            .hero {
                padding: 5rem 0 4rem;
            }

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

            .tools-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .modal-content {
                width: 95%;
                padding: 2rem;
            }

            .calculator-title {
                font-size: 1.5rem;
            }

            .result-value {
                font-size: 2rem;
            }

            .footer-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

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

        @media (max-width: 480px) {
            .hero-title {
                font-size: 2rem;
            }

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

            .cta-button {
                padding: 0.875rem 2rem;
                font-size: 1rem;
            }

            .tool-card {
                padding: 1.5rem;
            }
        }

        /* Smooth Scrolling */
        html {
            scroll-behavior: smooth;
        }

        /* Custom Scrollbar */
        ::-webkit-scrollbar {
            width: 10px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg-color);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--accent-color);
            border-radius: 5px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--accent-light);
        }