:root {
            --primary-gradient: linear-gradient(135deg, #6a11cb, #2575fc);
            --secondary-color: #ffcc00;
            --text-color: #e0e0e0;
            --dark-bg: rgba(0, 0, 0, 0.4);
            --card-bg: rgba(255, 255, 255, 0.08);
            --border-color: rgba(255, 255, 255, 0.15);
            --button-hover: #ff9900;
            --input-bg: rgba(255, 255, 255, 0.1);
            --input-border: rgba(255, 255, 255, 0.3);
            --error-color: #e74c3c;
        }

        body {
            background: var(--primary-gradient);
            font-family: 'Poppins', sans-serif;
            margin: 0;
            color: var(--text-color);
            line-height: 1.7;
            overflow-x: hidden;
            scroll-behavior: smooth; /* Smooth scrolling for anchor links */
        }

        /* --- Header & Navigation --- */
        header {
            text-align: center;
            padding: 40px 20px 20px;
            background: var(--dark-bg);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
        }

        header h1 {
            font-family: 'Montserrat', sans-serif;
            font-size: 3rem;
            margin: 0;
            color: #fff;
            text-shadow: 0 0 15px rgba(255, 255, 255, 0.6);
            letter-spacing: 2px;
            margin-bottom: 20px;
        }

        nav {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        nav a {
            color: #fff;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 15px;
            border-radius: 25px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            white-space: nowrap; /* Prevent wrapping on smaller screens */
        }

        nav a:hover {
            color: var(--secondary-color);
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }

        nav a::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: 0.5s;
        }

        nav a:hover::before {
            left: 100%;
        }

        /* --- Section Styling (General) --- */
        section {
            max-width: 900px;
            margin: 60px auto;
            padding: 50px;
            background-color: var(--card-bg);
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            border: 1px solid var(--border-color);
            backdrop-filter: blur(5px);
            -webkit-backdrop-filter: blur(5px);
            position: relative;
            z-index: 1; /* Ensure content is above any background effects */
        }

        section h2 {
            font-family: 'Montserrat', sans-serif;
            font-size: 2.8rem;
            margin-bottom: 35px;
            color: #fff;
            text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
            text-align: center;
        }

        /* --- Buttons --- */
        .btn {
            padding: 15px 35px;
            font-size: 1.1rem;
            border: none;
            border-radius: 50px;
            background: var(--secondary-color);
            color: #333;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            text-transform: uppercase;
            letter-spacing: 1px;
            display: inline-block; /* For centering or spacing */
            text-decoration: none; /* For anchor buttons */
        }

        .btn:hover {
            background: var(--button-hover);
            transform: translateY(-5px) scale(1.02);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
        }

        /* --- About Section Specifics --- */
        #about h3 {
            font-family: 'Montserrat', sans-serif;
            color: var(--heading-color);
            margin-top: 30px;
            margin-bottom: 15px;
            font-size: 1.8rem;
            border-bottom: 2px solid var(--secondary-color);
            padding-bottom: 5px;
            display: inline-block;
        }

        #about ul {
            list-style-type: none;
            padding-left: 0;
            margin-bottom: 20px;
        }

        #about li {
            margin-bottom: 12px;
            position: relative;
            padding-left: 30px;
            font-size: 1.05rem;
        }

        #about li strong {
            color: var(--secondary-color);
        }

        #about li::before {
            content: '✨';
            position: absolute;
            left: 0;
            color: var(--secondary-color);
            font-size: 1.2rem;
        }

        /* --- Services Section Specifics --- */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .service-item {
            background-color: rgba(255, 255, 255, 0.05);
            padding: 25px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .service-item:hover {
            transform: translateY(-8px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
        }

        #services h3 {
            font-family: 'Montserrat', sans-serif;
            color: var(--secondary-color);
            margin-bottom: 15px;
            font-size: 1.6rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        #services h3::before {
            content: '💡';
            font-size: 1.4em;
            line-height: 1;
        }

        #services ul {
            list-style-type: none;
            padding-left: 0;
            margin-top: 10px;
        }

        #services li {
            margin-bottom: 8px;
            position: relative;
            padding-left: 25px;
            font-size: 0.95rem;
        }

        #services li::before {
            content: '•';
            position: absolute;
            left: 0;
            color: var(--secondary-color);
            font-weight: bold;
            font-size: 1.2em;
            line-height: 1;
        }

        /* --- Forms Styling (Sign In, Registration, Contact Us) --- */
        .form-container {
            width: 100%;
            max-width: 450px; /* Adjust as needed */
            margin: 0 auto;
            text-align: left; /* Align form labels/inputs left */
        }

        .form-group {
            margin-bottom: 25px;
        }

        label {
            display: block;
            margin-bottom: 8px;
            color: #ccc;
            font-weight: 600;
            font-size: 1.05rem;
        }

        input[type="text"],
        input[type="email"],
        input[type="password"],
        textarea {
            width: 100%;
            padding: 14px;
            border: 1px solid var(--input-border);
            border-radius: 8px;
            background-color: var(--input-bg);
            color: white;
            box-sizing: border-box;
            font-family: 'Poppins', sans-serif;
            font-size: 1rem;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }

        input[type="text"]:focus,
        input[type="email"]:focus,
        input[type="password"]:focus,
        textarea:focus {
            border-color: var(--secondary-color);
            outline: none;
            box-shadow: 0 0 0 3px rgba(255, 204, 0, 0.3);
        }

        textarea {
            resize: vertical;
            min-height: 120px;
        }

        .password-container {
            position: relative;
        }

        .password-toggle {
            position: absolute;
            top: 50%;
            right: 15px;
            transform: translateY(-50%);
            cursor: pointer;
            color: #ccc;
            font-size: 1.2rem;
            transition: color 0.3s ease;
        }

        .password-toggle:hover {
            color: white;
        }

        .error-message {
            color: var(--error-color);
            margin-top: 15px;
            text-align: center;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 10px;
            background-color: rgba(231, 76, 60, 0.2);
            border-radius: 5px;
            display: none; /* Hidden by default */
        }

        /* --- Specific Form Button Styles --- */
        #signin button[type="submit"] {
            background-color: #e74c3c; /* Red for Sign In */
        }
        #signin button[type="submit"]:hover {
            background-color: #c0392b;
        }

        #registration button[type="submit"] {
            background-color: #28a745; /* Green for Registration */
        }
        #registration button[type="submit"]:hover {
            background-color: #1e7e34;
        }

        #contactus button[type="submit"] {
            background-color: #007bff; /* Blue for Contact Us */
        }
        #contactus button[type="submit"]:hover {
            background-color: #0056b3;
        }

        /* --- Link Styles within Forms --- */
        .form-link {
            text-align: center;
            margin-top: 25px;
            font-size: 0.95rem;
        }

        .form-link a {
            color: var(--secondary-color);
            text-decoration: none;
            transition: text-decoration 0.3s ease, color 0.3s ease;
        }

        .form-link a:hover {
            text-decoration: underline;
            color: var(--button-hover);
        }

        /* --- Contact Info Specifics --- */
        .contact-info {
            margin-top: 40px;
            padding-top: 30px;
            border-top: 1px dashed rgba(255, 255, 255, 0.2);
            text-align: center;
        }

        .contact-info h3 {
            font-family: 'Montserrat', sans-serif;
            color: var(--heading-color);
            margin-bottom: 20px;
            font-size: 2rem;
        }

        .contact-info p {
            line-height: 1.8;
            margin-bottom: 12px;
            font-size: 1.05rem;
        }

        .contact-info a {
            color: var(--secondary-color);
            text-decoration: none;
            transition: text-decoration 0.3s ease, color 0.3s ease;
        }

        .contact-info a:hover {
            text-decoration: underline;
            color: var(--button-hover);
        }

        /* --- Responsive Adjustments --- */
        @media (max-width: 768px) {
            header h1 {
                font-size: 2.5rem;
            }
            nav {
                flex-direction: column;
                gap: 10px;
            }
            nav a {
                width: fit-content;
                margin: 0 auto;
            }
            section {
                padding: 30px;
                margin: 40px 20px;
            }
            section h2 {
                font-size: 2.2rem;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            #about h3, #services h3, .contact-info h3 {
                font-size: 1.6rem;
            }
            p, li, label, input, textarea, .btn {
                font-size: 0.95rem;
            }
        }

        @media (max-width: 480px) {
            header h1 {
                font-size: 2rem;
            }
            nav a {
                font-size: 0.9rem;
                padding: 6px 12px;
            }
            section {
                padding: 20px;
                margin: 30px 15px;
            }
            section h2 {
                font-size: 1.8rem;
            }
            .btn {
                padding: 12px 25px;
                font-size: 1rem;
            }
            .password-toggle {
                font-size: 1rem;
                right: 10px;
            }
        }