* { box-sizing: border-box; }
        
        body {
            background-color: #141414;
            color: #f0f0f0;
            font-family: 'Vazirmatn', sans-serif;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        .container {
            width: 100%;
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 15px; 
        }

        .landing-header {
            position: sticky;
            top: 0;
            background: #141414;
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .landing-nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }

        .desktop-nav-buttons { display: flex; gap: 15px; align-items: center;}
        .mobile-nav-buttons { display: none; }
        .hamburger-menu {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5em;
            cursor: pointer;
        }

        .process-timeline {
            display: flex;
            flex-direction: column;
            gap: 30px; 
        }

        .process-step {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .services-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
        }

        .tutorials-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .landing-footer {
            background-color: #141414;
            padding: 40px 0 20px 0;
            color: #ccc;
            border-top: 1px solid #1e1e1e;
            margin-top: 50px;
        }

        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap; 
            gap: 15px;
            margin-bottom: 20px;
        }

        .footer-col { 
            flex: 1 1 250px; 
            text-align: right;
        }
        
        .footer-col h4 {
            color: #fff;
            margin-bottom: 15px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            right: 0;
            width: 40px;
            height: 2px;
            background-color: #248091;
        }

        .footer-col p {
            line-height: 1.6;
            margin: 0 0 10px 0;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
            display: flex;
            align-items: center;
        }

        .footer-col i {
            margin-left: 10px;
            color: #248091;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 20px;
            text-align: center;
        }

        .dev-signature {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(145deg, rgba(255,255,255,0.03), rgba(0,0,0,0.2));
            padding: 12px 25px;
            border-radius: 24px;
            border: 1px solid rgba(255,255,255,0.08);
            color: #aaa;
            text-decoration: none;
            font-size: 0.95em;
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            max-width: 100%;
            white-space: normal; 
            text-align: center; 
        }

        .dev-signature:hover {
            background: rgba(247, 148, 51, 0.08);
            border-color: rgba(247, 148, 51, 0.4);
            color: #fff;
            transform: translateY(-4px) scale(1.02);
            box-shadow: 0 10px 25px rgba(247, 148, 51, 0.2);
        }

        .dev-signature span {
            font-weight: bold;
            color: #e0e0e0;
            letter-spacing: 0.5px;
            transition: color 0.3s;
        }

        .dev-signature:hover span {
            color: #f79433;
        }

        .dev-signature .heart-icon {
            color: #e74c3c;
            font-size: 1.1em;
            animation: pulse 1.5s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            15% { transform: scale(1.25); }
            30% { transform: scale(1); }
            45% { transform: scale(1.25); }
            60% { transform: scale(1); }
        }

        .mobile-nav {
            position: fixed;
            top: 0;
            right: -100%;
            width: 80%;
            max-width: 300px;
            height: 100vh;
            background: #141414;
            z-index: 2000;
            padding: 30px;
            transition: right 0.3s;
            border-left: 1px solid #333;
        }
        
        .mobile-nav.active { right: 0; }
        .menu-backdrop {
            position: fixed;
            top: 0; left: 0; width: 100%; height: 100%;
            background: rgba(0,0,0,0.7);
            z-index: 1999;
            display: none;
        }
        .menu-backdrop.active { display: block; }

        .mobile-nav a {
            display: block;
            color: #fff;
            text-decoration: none;
            padding: 15px 0;
            border-bottom: 1px solid #333;
            font-size: 1.1em;
        }
        .close-nav-btn {
            background: none; border: none; color: #fff; font-size: 1.5em; cursor: pointer; margin-bottom: 20px;
        }

        @media (max-width: 992px) {
            .desktop-nav-buttons { display: none; }
            .mobile-nav-buttons { display: block; }
            .hamburger-menu { display: block; }
            .hero-mobile-buttons {
                display: flex;
                gap: 10px;
                margin-top: 25px;
                justify-content: center;
                flex-wrap: wrap;
            }
            .process-step {
                flex-direction: column;
                text-align: center;
            }
            .process-timeline .process-text,
            .process-timeline .process-stat {
                margin-top: 10px; 
            }
            .footer-col {
                text-align: right;
                flex: 1 1 100%;
            }
        }