:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #dbeafe;
            --secondary: #10b981;
            --secondary-dark: #059669;
            --accent: #8b5cf6;
            --light: #f8fafc;
            --dark: #1e293b;
            --gray: #64748b;
            --border: #e2e8f0;
            --shadow: rgba(0, 0, 0, 0.08);
            --card-bg: #ffffff;
            --gradient-primary: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
        }

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

        body {
            font-family: 'Poppins', sans-serif;
            line-height: 1.6;
            color: var(--dark);
            background-color: var(--light);
        }

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

        /* Header & Navigation */
        header {
            background-color: var(--card-bg);
            box-shadow: 0 2px 10px var(--shadow);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
        }

        .logo i {
            font-size: 1.8rem;
        }

        .logo span.free-badge {
            font-size: 0.7rem;
            color: var(--secondary);
            margin-left: 5px;
            background: #f0fdf4;
            padding: 2px 8px;
            border-radius: 12px;
            border: 1px solid #bbf7d0;
        }

        .nav-links {
            display: flex;
            gap: 30px;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            transition: color 0.3s;
            position: relative;
        }

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

        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            width: 100%;
            height: 3px;
            background-color: var(--primary);
            bottom: -5px;
            left: 0;
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            gap: 15px;
        }

        .btn {
            padding: 10px 20px;
            border-radius: 8px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
            border: none;
            font-family: 'Poppins', sans-serif;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }

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

        .btn-primary {
            background-color: var(--primary);
            color: white;
            border: 2px solid var(--primary);
        }

        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
        }

        /* Footer */
        footer {
            background-color: var(--dark);
            color: white;
            padding: 60px 0 30px;
            margin-top: 60px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            margin-bottom: 20px;
        }

        .footer-logo i {
            color: var(--secondary);
        }

        .footer-about p {
            color: #cbd5e1;
            margin-bottom: 20px;
            line-height: 1.7;
        }

        .footer-links h4 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            color: white;
        }

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

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: #cbd5e1;
            text-decoration: none;
            transition: color 0.3s;
        }

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