/* --- css for GoSocials Website --- */
        /* --- CSS Variables --- */ 
        :root {
            /* Light Theme (Default) */
            --bg-color: #ffffff;
            --bg-alt: #f8f9fa;
            --card-bg: #ffffff;
            --text-main: #1a1a1a;
            --text-muted: #6b7280;
            --accent-color: #0d9488; /* Muted Teal */
            --accent-hover: #0f766e;
            --border-color: #e5e7eb;
            --header-bg-scrolled: rgba(255, 255, 255, 0.95);
            
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            
            --font-main: 'Inter', sans-serif;
            --transition-speed: 0.3s;
            --nav-height: 80px;
        }

        /* Dark Theme overrides */
        [data-theme="dark"] {
            --bg-color: #0f172a; /* Slate 900 */
            --bg-alt: #1e293b;   /* Slate 800 */
            --card-bg: #1e293b;  /* Slate 800 */
            --text-main: #f1f5f9; /* Slate 100 */
            --text-muted: #94a3b8; /* Slate 400 */
            --accent-color: #2dd4bf; /* Teal 400 */
            --accent-hover: #14b8a6;
            --border-color: #334155; /* Slate 700 */
            --header-bg-scrolled: rgba(15, 23, 42, 0.95);
            
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
        }

        /* --- Reset & Base Styles --- */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            overflow-x: hidden;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--bg-color);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            transition: background-color 0.3s ease, color 0.3s ease;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-speed) ease;
        }

        ul {
            list-style: none;
        }

        button, input, textarea {
            font-family: inherit;
        }

        /* --- Typography --- */
        h1, h2, h3 {
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-main);
        }

        h1 { font-size: 2.25rem; letter-spacing: -0.02em; }
        h2 { font-size: 1.75rem; margin-bottom: 1rem; letter-spacing: -0.01em; }
        h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }
        p { color: var(--text-muted); margin-bottom: 1rem; }

        @media (min-width: 768px) {
            h1 { font-size: 3.5rem; }
            h2 { font-size: 2.5rem; }
        }

        /* --- Layout Utilities --- */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            width: 100%;
        }

        section {
            padding: 3rem 0; /* Smaller padding for mobile responsiveness */
        }

        @media (min-width: 768px) {
            section {
                padding: 5rem 0;
            }
        }

        /* --- Animations --- */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
        }

        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }

        /* --- Header --- */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--nav-height);
            z-index: 1000;
            background-color: transparent;
            transition: background-color var(--transition-speed) ease, backdrop-filter var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
        }

        header.scrolled, header.menu-open {
            background-color: var(--header-bg-scrolled);
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-sm);
        }

        nav {
            display: flex;
            align-items: center;
            height: 100%;
        }

        .logo {
            font-weight: 700;
            font-size: 1.5rem;
            letter-spacing: -0.02em;
            color: var(--text-main);
            margin-right: auto;
            z-index: 1002; /* Above mobile menu */
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            align-items: center;
        }

        .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-main);
        }

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

        /* Theme Toggle Button */
        .theme-toggle {
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
            margin-left: 1rem;
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: background-color 0.3s ease, color 0.3s ease;
            z-index: 1002;
        }

        .theme-toggle:hover {
            background-color: var(--bg-alt);
            color: var(--accent-color);
        }

        .theme-toggle svg {
            width: 20px;
            height: 20px;
            fill: none;
            stroke: currentColor;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        /* Mobile Menu Toggle */
        .hamburger {
            display: none;
            cursor: pointer;
            background: none;
            border: none;
            flex-direction: column;
            gap: 5px;
            z-index: 1002;
            margin-left: 0.5rem;
            padding: 5px;
        }

        .hamburger span {
            display: block;
            width: 25px;
            height: 2px;
            background-color: var(--text-main);
            transition: transform 0.3s ease, opacity 0.3s ease, background-color 0.3s ease;
        }

        /* Mobile Nav Styles - Responsive Logic */
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                width: 100%;
                height: calc(100vh - var(--nav-height)); /* Full remaining height */
                background-color: var(--card-bg);
                flex-direction: column;
                padding: 2rem;
                gap: 2rem;
                align-items: center;
                justify-content: flex-start;
                border-top: 1px solid var(--border-color);
                transform: translateY(-150%);
                transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
                opacity: 0;
                overflow-y: auto;
            }

            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            }

            .hamburger {
                display: flex;
            }
            
            /* Hamburger Animation */
            .hamburger.active span:nth-child(1) {
                transform: translateY(7px) rotate(45deg);
            }
            .hamburger.active span:nth-child(2) {
                opacity: 0;
            }
            .hamburger.active span:nth-child(3) {
                transform: translateY(-7px) rotate(-45deg);
            }

            .nav-links a {
                font-size: 1.25rem; /* Larger text for mobile tap targets */
                width: 100%;
                text-align: center;
                padding: 10px;
            }
        }

        /* --- Buttons --- */
        .btn {
            display: inline-block;
            padding: 0.8rem 1.5rem;
            border-radius: 6px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-speed) ease;
            border: none;
            outline: none;
        }

        .btn:focus-visible {
            box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.3);
        }

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

        .btn-primary:hover {
            background-color: var(--accent-hover);
            transform: translateY(-2px);
        }

        /* --- Hero Section --- */
        #hero {
            height: 100vh;
            min-height: 500px;
            display: flex;
            align-items: center;
            padding-top: var(--nav-height);
        }

        .hero-content {
            max-width: 800px;
        }

        .hero-headline {
            margin-bottom: 1.5rem;
        }

        .hero-sub {
            font-size: 1rem;
            max-width: 600px;
            margin-bottom: 2rem;
        }

        @media (min-width: 768px) {
            .hero-sub {
                font-size: 1.125rem;
                margin-bottom: 2.5rem;
            }
        }

        /* --- Services Section --- */
        #services {
            background-color: var(--bg-alt);
        }

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

        /* Kept single column on desktop for the centered single service card */
        @media (min-width: 768px) {
            .grid-2 {
                grid-template-columns: 1fr;
            }
        }

        .card {
            background: var(--card-bg);
            padding: 2rem;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
        }

        @media (min-width: 768px) {
            .card {
                padding: 2.5rem;
            }
        }

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

        .card h3 {
            color: var(--accent-color);
        }

        .service-list {
            margin-top: 1rem;
        }

        .service-list li {
            margin-bottom: 0.5rem;
            padding-left: 1.5rem;
            position: relative;
            color: var(--text-muted);
        }

        .service-list li::before {
            content: "•";
            color: var(--accent-color);
            position: absolute;
            left: 0;
            font-weight: bold;
        }

        /* --- Team Section --- */
        .team-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }

        .team-card {
            text-align: center;
            background: var(--card-bg);
            padding: 2rem;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            transition: transform var(--transition-speed) ease;
        }

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

        .avatar {
            width: 80px;
            height: 80px;
            background-color: var(--accent-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 600;
            margin: 0 auto 1.5rem auto;
        }

        .role {
            font-size: 0.875rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--accent-color);
            font-weight: 600;
            margin-bottom: 0.5rem;
            display: block;
        }

        /* --- Contact Section --- */
        #contact {
            background-color: var(--bg-alt);
        }

        .contact-wrapper {
            max-width: 600px;
            margin: 0 auto;
            text-align: center;
        }

        .contact-form {
            margin-top: 2rem;
            text-align: left;
            background: var(--card-bg);
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
        }

        @media (min-width: 768px) {
            .contact-form {
                padding: 2rem;
            }
        }

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

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-main);
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid var(--border-color);
            background-color: var(--bg-color);
            color: var(--text-main);
            border-radius: 6px;
            font-size: 1rem;
            transition: border-color var(--transition-speed) ease;
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--accent-color);
            box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
        }

        .form-message {
            margin-top: 1rem;
            padding: 1rem;
            border-radius: 6px;
            font-size: 0.9rem;
            display: none;
        }

        .form-message.success {
            display: block;
            background-color: #d1fae5;
            color: #065f46;
        }
        
        /* --- Footer --- */
        footer {
            padding: 3rem 0;
            text-align: center;
            border-top: 1px solid var(--border-color);
        }

        .footer-links {
            margin-bottom: 1rem;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem;
        }

        .footer-links a {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .footer-links a:hover {
            color: var(--accent-color);
        }

        .copyright {
            font-size: 0.8rem;
            color: #9ca3af;
        }

        /* --- Scroll to Top --- */
        #scrollToTop {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background-color: var(--text-main);
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease, transform 0.3s ease;
            z-index: 900;
            border: none;
        }

        @media (min-width: 768px) {
            #scrollToTop {
                bottom: 30px;
                right: 30px;
                width: 45px;
                height: 45px;
            }
        }

        #scrollToTop.visible {
            opacity: 1;
            pointer-events: auto;
        }

        #scrollToTop:hover {
            background-color: var(--accent-color);
            transform: translateY(-3px);
        }