/* --- 1. GLOBAL VARIABLES & RESET --- */
        :root {
            --bg-dark: #050a14;
            --bg-card: rgba(16, 24, 45, 0.7);
            --primary-neon: #00f3ff; /* Cyan Neon */
            --secondary-neon: #bc13fe; /* Purple Neon */
            --text-white: #ffffff;
            --text-gray: #94a3b8;
            --glass-border: rgba(255, 255, 255, 0.1);
            --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            --font-main: 'Inter', sans-serif;
            --font-tech: 'Orbitron', sans-serif;
            --font-sub: 'Rajdhani', sans-serif;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; outline: none; scroll-behavior: smooth; }
        
        body {
            background-color: var(--bg-dark);
            color: var(--text-white);
            font-family: var(--font-main);
            overflow-x: hidden;
            background-image: 
                radial-gradient(circle at 15% 50%, rgba(188, 19, 254, 0.05), transparent 25%),
                radial-gradient(circle at 85% 30%, rgba(0, 243, 255, 0.05), transparent 25%);
        }

        h1, h2, h3, h4 { font-family: var(--font-tech); text-transform: uppercase; letter-spacing: 2px; }
        h1 { font-weight: 900; }
        p { line-height: 1.7; color: var(--text-gray); }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        ul { list-style: none; }

        /* --- 2. UTILITY CLASSES --- */
        .container { max-width: 1400px; margin: 0 auto; padding: 0 20px; }
        .section-spacer { padding: 100px 0; }
        .text-gradient {
            background: linear-gradient(90deg, var(--primary-neon), var(--text-white));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .neon-glow { text-shadow: 0 0 10px rgba(0, 243, 255, 0.5); }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 30px; }
        
        /* Buttons */
        .btn {
            display: inline-block; padding: 14px 35px; 
            font-family: var(--font-sub); font-weight: 700; text-transform: uppercase; letter-spacing: 2px;
            clip-path: polygon(10% 0, 100% 0, 100% 80%, 90% 100%, 0 100%, 0 20%);
            cursor: pointer; border: none; transition: var(--transition); position: relative; overflow: hidden;
        }
        .btn-primary {
            background: var(--primary-neon); color: var(--bg-dark);
            box-shadow: 0 0 20px rgba(0, 243, 255, 0.3);
        }
        .btn-primary:hover { background: var(--text-white); box-shadow: 0 0 30px rgba(0, 243, 255, 0.6); transform: translateY(-3px); }
        
        .btn-outline {
            background: transparent; color: var(--primary-neon); border: 1px solid var(--primary-neon);
        }
        .btn-outline:hover { background: rgba(0, 243, 255, 0.1); box-shadow: 0 0 15px rgba(0, 243, 255, 0.2); }

        /* Glass Card */
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--glass-border);
            border-radius: 15px;
            padding: 40px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .glass-card::before {
            content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
            transition: 0.5s;
        }
        .glass-card:hover::before { left: 100%; }
        .glass-card:hover {
            border-color: var(--primary-neon);
            box-shadow: 0 0 30px rgba(0, 243, 255, 0.1);
            transform: translateY(-10px);
        }

        /* --- 3. NAVIGATION --- */
        .navbar {
            position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
            background: rgba(5, 10, 20, 0.8); backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(255,255,255,0.05);
            padding: 20px 0;
        }
        .nav-content { display: flex; justify-content: space-between; align-items: center; }
        .logo { font-family: var(--font-tech); font-size: 1.8rem; color: var(--text-white); font-weight: 700; cursor: pointer; }
        .logo span { color: var(--primary-neon); }
        
        .nav-links { display: flex; gap: 40px; }
        .nav-item { 
            font-family: var(--font-sub); font-weight: 600; text-transform: uppercase; letter-spacing: 1px; 
            font-size: 1.1rem; position: relative; cursor: pointer;
        }
        .nav-item::after {
            content: ''; position: absolute; bottom: -5px; left: 0; width: 0; height: 2px;
            background: var(--primary-neon); transition: 0.3s; box-shadow: 0 0 10px var(--primary-neon);
        }
        .nav-item:hover::after, .nav-item.active::after { width: 100%; }
        .nav-item.active { color: var(--primary-neon); }

        .hamburger { display: none; font-size: 1.5rem; cursor: pointer; color: var(--primary-neon); }

        /* --- 4. PAGE STRUCTURE (SPA) --- */
        .page-section { display: none; animation: fadeIn 0.6s ease-in-out; padding-top: 80px; min-height: 100vh; }
        .page-section.active { display: block; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

        /* --- 5. HERO SECTION (Home) --- */
        .hero {
            height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden; padding-top: 0;
        }
        
        /* Hero Background Animation */
        .hero-bg-anim {
            position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: -2;
            background: url('https://i.pinimg.com/736x/93/c0/5f/93c05ffc051113693918f422efaac525.jpg') no-repeat center center/cover;
            opacity: 0.4;
            animation: bgZoom 30s infinite alternate;
        }
        @keyframes bgZoom { from { transform: scale(1); } to { transform: scale(1.2); } }

        .grid-bg {
            position: absolute; width: 200%; height: 200%; top: -50%; left: -50%;
            background-image: 
                linear-gradient(rgba(0, 243, 255, 0.1) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 243, 255, 0.1) 1px, transparent 1px);
            background-size: 50px 50px;
            transform: perspective(500px) rotateX(60deg);
            animation: gridMove 20s linear infinite;
            z-index: -1; opacity: 0.3;
        }
        @keyframes gridMove { 0% { transform: perspective(500px) rotateX(60deg) translateY(0); } 100% { transform: perspective(500px) rotateX(60deg) translateY(50px); } }

        .hero-content { z-index: 2; max-width: 800px; }
        .hero-tag { 
            color: var(--primary-neon); font-family: var(--font-sub); font-weight: 700; letter-spacing: 3px; 
            margin-bottom: 20px; display: inline-block; border: 1px solid var(--primary-neon); padding: 5px 15px;
        }
        .hero h1 { font-size: 4.5rem; line-height: 1.1; margin-bottom: 25px; min-height: 110px; }
        
        /* Cursor blink effect for typewiter */
        .cursor { display: inline-block; width: 4px; height: 1em; background-color: var(--primary-neon); animation: blink 1s infinite; vertical-align: bottom; margin-left: 5px; }
        @keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

        .hero p { font-size: 1.2rem; margin-bottom: 40px; max-width: 600px; }
        
        .hero-visual {
            position: absolute; right: 5%; top: 50%; transform: translateY(-50%);
            width: 45%; height: 70%; z-index: 1;
            background: radial-gradient(circle, rgba(0,243,255,0.1), transparent 60%);
            display: flex; align-items: center; justify-content: center;
        }
        .floating-ui { animation: float 6s ease-in-out infinite; width: 100%; }
        @keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-20px); } }

        /* --- 6. SERVICES SECTION --- */
        .service-icon { 
            font-size: 3rem; color: var(--primary-neon); margin-bottom: 20px; 
            text-shadow: 0 0 20px rgba(0, 243, 255, 0.4);
        }
        .service-card h3 { font-size: 1.5rem; margin-bottom: 15px; color: var(--text-white); }
        .service-card p { font-size: 0.95rem; margin-bottom: 25px; }
        
        /* --- 7. PORTFOLIO --- */
        .project-card {
            height: 400px; border-radius: 15px; overflow: hidden; position: relative; cursor: pointer;
            border: 1px solid var(--glass-border);
        }
        .project-img { width: 100%; height: 100%; object-fit: cover; transition: 0.5s; }
        .project-overlay {
            position: absolute; bottom: 0; left: 0; width: 100%; height: 100%;
            background: linear-gradient(to top, #050a14 10%, transparent 100%);
            display: flex; flex-direction: column; justify-content: flex-end; padding: 30px;
            transform: translateY(100px); opacity: 0; transition: 0.4s;
        }
        .project-card:hover .project-img { transform: scale(1.1); opacity: 0.6; }
        .project-card:hover .project-overlay { transform: translateY(0); opacity: 1; }
        
        /* --- 8. ABOUT TIMELINE --- */
        .timeline { position: relative; border-left: 2px solid var(--glass-border); margin-left: 20px; padding-left: 40px; }
        .timeline-item { margin-bottom: 40px; position: relative; }
        .timeline-item::before {
            content: ''; position: absolute; left: -49px; top: 5px; width: 16px; height: 16px;
            background: var(--primary-neon); border-radius: 50%; box-shadow: 0 0 10px var(--primary-neon);
        }
        .year { color: var(--primary-neon); font-family: var(--font-tech); font-weight: 700; font-size: 1.2rem; }

        /* --- 9. BLOG --- */
        .blog-card { padding: 0; border: none; background: transparent; }
        .blog-thumb { height: 250px; border-radius: 15px; overflow: hidden; margin-bottom: 20px; border: 1px solid var(--glass-border); }
        .blog-thumb img { transition: 0.5s; width: 100%; height: 100%; object-fit: cover; }
        .blog-card:hover .blog-thumb img { transform: scale(1.1); }
        .blog-cat { color: var(--secondary-neon); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; font-weight: 700; }

        /* --- 10. CONTACT FORM --- */
        .contact-form input, .contact-form select, .contact-form textarea {
            width: 100%; background: rgba(255,255,255,0.03); border: 1px solid var(--glass-border);
            padding: 15px; color: var(--text-white); margin-bottom: 20px; border-radius: 8px;
            font-family: var(--font-main); transition: 0.3s;
        }
        .contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
            border-color: var(--primary-neon); box-shadow: 0 0 15px rgba(0, 243, 255, 0.1);
        }

        /* --- 11. AUTH PAGE --- */
        .auth-container {
            height: 80vh; display: flex; align-items: center; justify-content: center;
        }
        .auth-box { width: 100%; max-width: 450px; text-align: center; }
        .auth-tabs { display: flex; margin-bottom: 30px; border-bottom: 1px solid var(--glass-border); }
        .auth-tab { flex: 1; padding: 15px; cursor: pointer; color: var(--text-gray); transition: 0.3s; }
        .auth-tab.active { color: var(--primary-neon); border-bottom: 2px solid var(--primary-neon); }

        /* --- 12. FOOTER --- */
        footer { background: #020408; border-top: 1px solid var(--glass-border); padding: 80px 0 30px; margin-top: 100px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 50px; }
        .footer-col h4 { color: var(--text-white); margin-bottom: 25px; font-size: 1.1rem; }
        .footer-links li { margin-bottom: 15px; }
        .footer-links a { color: var(--text-gray); font-size: 0.95rem; cursor: pointer; }
        .footer-links a:hover { color: var(--primary-neon); padding-left: 5px; }
        .newsletter-box { display: flex; margin-top: 20px; }
        .newsletter-box input { background: rgba(255,255,255,0.05); border: none; padding: 15px; flex: 1; color: white; border-radius: 5px 0 0 5px; }
        .newsletter-box button { border-radius: 0 5px 5px 0; }

        /* --- 13. MODAL CONTENT --- */
        #info-modal {
            position: fixed; top: 0; left: 0; width: 100%; height: 100%; 
            background: rgba(0,0,0,0.8); backdrop-filter: blur(10px); 
            z-index: 2000; display: none; align-items: center; justify-content: center;
        }
        .modal-content {
            max-width: 700px; width: 90%; max-height: 85vh; overflow-y: auto;
        }
        .modal-details ul { list-style: disc; padding-left: 20px; margin: 20px 0; color: var(--text-gray); }
        .modal-details h4 { color: var(--text-white); margin-top: 20px; margin-bottom: 10px; }

        /* --- MOBILE RESPONSIVE --- */
        @media (max-width: 768px) {
            .nav-links { display: none; position: absolute; top: 70px; left: 0; width: 100%; background: var(--bg-dark); flex-direction: column; padding: 30px; text-align: center; border-bottom: 1px solid var(--glass-border); }
            .nav-links.active { display: flex; }
            .hamburger { display: block; }
            .hero h1 { font-size: 2.5rem; min-height: 150px; }
            .hero-visual { display: none; }
            .footer-grid { grid-template-columns: 1fr; }
        }