:root {
            /* Light Theme Variables */
            --primary: #3d5ee1;
            --primary-hover: #324bc2;
            --secondary: #FBFAFB;
            --accent: #D8DFF9;
            --success: #61C811;
            --text-main: #0D0C0E;
            --text-muted: #555458;
            --bg-body: #ffffff;
            --bg-card: #ffffff;
            --bg-input: #f8f9fa;
            --bg-nav: rgba(255, 255, 255, 0.85);
            --border-color: #D8DFF9;
            --border-light: #eaeaeb;
            
            --shadow-sm: 0 4px 12px rgba(61, 94, 225, 0.08);
            --shadow-md: 0 10px 30px rgba(61, 94, 225, 0.15);
            --shadow-lg: 0 20px 40px rgba(61, 94, 225, 0.2);
            --shadow-card: 0 5px 15px rgba(0,0,0,0.05);

            --radius-card: 16px;
            --radius-pill: 50px;
            --radius-input: 10px;

            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        [data-theme="dark"] {
            --primary: #4e6ff0;
            --primary-hover: #5f7df5;
            --secondary: #1e1e24;
            --accent: #2c3661;
            --text-main: #FBFAFB;
            --text-muted: #a0a0a5;
            --bg-body: #121214;
            --bg-card: #1e1e24;
            --bg-input: #181a1b;
            --bg-nav: rgba(18, 18, 20, 0.85);
            --border-color: #2c3661;
            --border-light: #33323A;
            
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.5);
            --shadow-card: 0 5px 15px rgba(0,0,0,0.2);
        }

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

        body {
            font-family: 'Poppins', sans-serif;
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.5;
            font-size: 16px;
            transition: background-color 0.3s ease, color 0.3s ease;
            overflow-x: hidden;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        h1, h2, h3, h4, .sora-font {
            font-family: 'Sora', sans-serif;
        }

        h1 {
            font-size: 42px;
            font-weight: 300;
            text-transform: uppercase;
            line-height: 1.1;
            letter-spacing: -0.5px;
            margin-bottom: 24px;
        }

        h2 { font-size: 36px; font-weight: 300; line-height: 1.3; margin-bottom: 16px; }
        h3 { font-size: 24px; font-weight: 500; margin-bottom: 12px; }

        @media (min-width: 992px) {
            h1 { font-size: 56px; }
        }

        p { color: var(--text-muted); margin-bottom: 1rem; }
        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 28px;
            border-radius: var(--radius-pill);
            font-family: 'Sora', sans-serif;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition);
            border: none;
        }

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

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

        .btn-full { width: 100%; }

        /* Animations */
        .animate-on-load {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeUp 0.8s ease forwards;
        }

        .delay-1 { animation-delay: 0.1s; }
        .delay-2 { animation-delay: 0.2s; }
        .delay-3 { animation-delay: 0.3s; }

        @keyframes fadeUp {
            to { opacity: 1; transform: translateY(0); }
        }

        /* Navbar */
        header {
            position: fixed;
            top: 0; left: 0; width: 100%; z-index: 1000;
            transition: var(--transition);
            background: transparent;
        }
        header.scrolled {
            background: var(--bg-nav);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 1px 0 var(--border-light);
        }
        .nav-container { display: flex; justify-content: space-between; align-items: center; height: 80px; }
        .logo { font-size: 24px; font-weight: 700; color: var(--primary); letter-spacing: -0.5px; font-family: 'Sora'; }
        .nav-links { display: none; gap: 32px; }
        .nav-links a { font-size: 15px; font-weight: 500; transition: color 0.2s; }
        .nav-links a:hover { color: var(--primary); }
        .nav-actions { display: none; align-items: center; gap: 16px; }
        .hamburger { display: block; cursor: pointer; background: none; border: none; color: var(--text-main); }
        .hamburger svg { width: 28px; height: 28px; }
        
        .mobile-menu {
            position: fixed; top: 80px; left: 0; width: 100%;
            background: var(--bg-card); padding: 24px; box-shadow: var(--shadow-md);
            transform: translateY(-150%); transition: var(--transition); z-index: 999;
            border-bottom: 1px solid var(--border-light);
        }
        .mobile-menu.active { transform: translateY(0); }
        .mobile-menu a { display: block; padding: 12px 0; font-size: 18px; font-weight: 500; border-bottom: 1px solid var(--border-light); }
        .mobile-menu .btn { margin-top: 16px; width: 100%; }

        @media (min-width: 992px) {
            .nav-links, .nav-actions { display: flex; }
            .hamburger { display: none; }
        }

        /* Page Layout */
        .page-content {
            flex: 1;
            padding-top: 140px;
            padding-bottom: 100px;
            background: radial-gradient(circle at top right, rgba(61, 94, 225, 0.05) 0%, transparent 50%);
        }

        [data-theme="dark"] .page-content {
            background: radial-gradient(circle at top right, rgba(61, 94, 225, 0.1) 0%, transparent 50%);
        }

        .header-text {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 60px;
        }

        .header-text p { font-size: 18px; }

        /* Contact Grid Layout */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            max-width: 1100px;
            margin: 0 auto;
        }

        @media (min-width: 992px) {
            .contact-grid { grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: start; }
        }

        /* Contact Info Sidebar */
        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .info-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-card);
            padding: 30px;
            display: flex;
            align-items: flex-start;
            gap: 20px;
            transition: var(--transition);
        }

        .info-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }

        .info-icon {
            width: 48px;
            height: 48px;
            background: var(--accent);
            color: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        [data-theme="dark"] .info-icon { background: rgba(61, 94, 225, 0.15); }

        .info-icon svg { width: 24px; height: 24px; }

        .info-content h4 { font-size: 18px; margin-bottom: 8px; font-weight: 600; }
        .info-content p, .info-content a { font-size: 15px; color: var(--text-muted); margin: 0; display: block; }
        .info-content a:hover { color: var(--primary); }

        /* Contact Form */
        .form-wrapper {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 40px;
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 24px;
            transition: opacity 0.3s;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }

        @media (min-width: 768px) {
            .form-row { grid-template-columns: 1fr 1fr; }
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-group label {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            font-family: 'Sora', sans-serif;
        }

        .form-control {
            width: 100%;
            padding: 14px 16px;
            border-radius: var(--radius-input);
            border: 1px solid var(--border-light);
            background: var(--bg-input);
            color: var(--text-main);
            font-family: 'Poppins', sans-serif;
            font-size: 15px;
            transition: var(--transition);
            outline: none;
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(61, 94, 225, 0.1);
            background: var(--bg-body);
        }

        textarea.form-control {
            resize: vertical;
            min-height: 150px;
        }

        select.form-control {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%233d5ee1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            background-size: 16px;
            cursor: pointer;
        }

        /* Success State */
        .form-success {
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            background: var(--bg-card);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 40px;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.4s ease;
            z-index: 10;
        }

        .form-success.active {
            opacity: 1;
            pointer-events: all;
        }

        .success-icon {
            width: 80px; height: 80px;
            background: rgba(97, 200, 17, 0.1);
            color: var(--success);
            border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            margin-bottom: 24px;
        }
        
        .success-icon svg { width: 40px; height: 40px; }

        /* Language Support Section */
        .language-support {
            margin-top: 100px;
            border-top: 1px solid var(--border-light);
            padding-top: 80px;
            text-align: center;
        }

        .language-support h2 { margin-bottom: 16px; }
        .language-support p { margin-bottom: 40px; max-width: 600px; margin-left: auto; margin-right: auto; }

        .lang-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        .lang-badge {
            background: var(--secondary);
            border: 1px solid var(--border-color);
            padding: 12px 24px;
            border-radius: var(--radius-pill);
            font-family: 'Sora', sans-serif;
            font-weight: 500;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }

        [data-theme="dark"] .lang-badge {
            background: var(--bg-card);
        }

        .lang-badge:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .lang-icon {
            font-size: 20px;
            line-height: 1;
        }
        
        /* Footer */
        footer { background: #0D0C0E; color: white; padding: 80px 0 30px; }
        .footer-grid { display: grid; grid-template-columns: 1fr; gap: 40px; margin-bottom: 60px; }
        @media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }
        .footer-logo { font-family: 'Sora'; font-size: 24px; font-weight: 700; color: white; margin-bottom: 16px; display: inline-block; }
        .footer-brand p { color: #a0a0a5; font-size: 15px; max-width: 250px; }
        .footer-links h4 { font-size: 16px; margin-bottom: 20px; font-weight: 600; }
        .footer-links ul li { margin-bottom: 12px; }
        .footer-links ul a { color: #a0a0a5; font-size: 14px; transition: color 0.2s; }
        .footer-links ul a:hover { color: white; }
        .footer-bottom { border-top: 1px solid #33323A; padding-top: 30px; display: flex; flex-direction: column; align-items: center; gap: 16px; text-align: center; }
        .footer-bottom p { color: #a0a0a5; font-size: 14px; margin: 0; }
        @media (min-width: 768px) { .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; } }

        /* Theme Toggle Float */
        .theme-toggle {
            position: fixed; bottom: 30px; right: 30px; width: 50px; height: 50px;
            border-radius: 50%; background: var(--bg-card); border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md); display: flex; align-items: center; justify-content: center;
            cursor: pointer; z-index: 99; color: var(--text-main); transition: var(--transition);
        }
        .theme-toggle:hover { transform: scale(1.1); }
        .theme-toggle svg { width: 24px; height: 24px; }
        .icon-sun { display: none; }
        [data-theme="dark"] .icon-moon { display: none; }
        [data-theme="dark"] .icon-sun { display: block; }