 /* --- Global Styles & Variables (New Fiery Theme) --- */
        :root {
            --primary-color: #FC210D; /* Vibrant Red */
            --primary-hover-color: #d91c0b;
            --cta-color: #FC210D; /* Vibrant Red */
            --background-color: #1A1A1A;
            --surface-color: #222222;
            --border-color: #333333;
            --heading-color: #FFFFFF;
            --text-color: #A9A9A9;
            --box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
        }

        /* --- CSS Reset & Base --- */
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Poppins', sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: var(--background-color);
            overflow-x: hidden;
        }

        /* --- Typography --- */
        h1, h2, h3, h4 { font-weight: 600; color: var(--heading-color); margin-bottom: 1rem; }
        h1 { font-size: 3.8rem; line-height: 1.2; }
        h2 { font-size: 2.8rem; }
        h3 { font-size: 1.4rem; }
        p { margin-bottom: 1.5rem; }
        a { text-decoration: none; color: var(--primary-color); }

        /* --- Layout & Helpers --- */
        .container { max-width: 1140px; margin: 0 auto; padding: 0 2rem; }
        section { padding: 6rem 0; overflow: hidden; position: relative; }
        .section-title { text-align: center; margin-bottom: 4rem; }
        .section-subtitle { display: block; text-transform: uppercase; color: var(--primary-color); font-weight: 600; margin-bottom: 0.5rem; letter-spacing: 1px;}
        
        .btn {
            display: inline-block;
            padding: 0.8rem 2.2rem;
            border-radius: 5px;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }
        .btn-primary { background: var(--primary-color); color: #fff; font-weight: 600; }
        .btn-primary:hover { background: var(--primary-hover-color); transform: translateY(-3px); box-shadow: 0 5px 15px rgba(252, 33, 13, 0.2); }
        
        /* --- Header & Navigation --- */
        .navbar { position: fixed; top: 0; width: 100%; z-index: 1000; padding: 1.25rem 0; background: rgba(26, 26, 26, 0.8); backdrop-filter: blur(10px); transition: all 0.3s ease; }
        .navbar.scrolled { padding: 0.75rem 0; box-shadow: 0 4px 10px rgba(0,0,0,0.2); }
        .navbar .container { display: flex; justify-content: space-between; align-items: center; }
        .navbar .logo { font-size: 1.6rem; font-weight: 700; color: var(--heading-color); }
        .navbar ul { display: flex; list-style: none; }
        .navbar ul li a { padding: 0.5rem 1rem; color: var(--text-color); font-weight: 500; transition: color 0.3s ease; }
        .navbar ul li a:hover,
        .navbar ul li a.active { color: var(--primary-color); }

        /* --- Mobile Navigation --- */
        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0;
            z-index: 1001;
        }

        .hamburger {
            display: block;
            width: 25px;
            height: 2px;
            background: var(--heading-color);
            position: relative;
            transition: background 0.2s ease-out;
        }

        .hamburger::before,
        .hamburger::after {
            content: '';
            position: absolute;
            width: 100%;
            height: 2px;
            background: var(--heading-color);
            left: 0;
            transition: transform 0.2s ease-out;
        }

        .hamburger::before { top: -8px; }
        .hamburger::after { bottom: -8px; }


        /* --- Home (Hero Section) --- */
        #home {
            padding-top: 80px;
            height: 100vh;
            display: flex;
            align-items: center;
            background: linear-gradient(-45deg, #450A3B, #FC210D, #450A3B, #FC210D);
            background-size: 400% 400%;
            animation: gradientBG 15s ease infinite;
        }

        @keyframes gradientBG {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        .hero-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 3rem; }
        .hero-text { color: #fff; }
        .hero-text .subtitle { font-size: 1.2rem; font-weight: 500; color: #fff; margin-bottom: 0.5rem; }
        .hero-text h1 span { color: #fff; text-shadow: 0 0 10px rgba(0,0,0,0.3); }
        .hero-text h1 { color: #fff; }
        .hero-text .btn-primary { background: #fff; color: #000; }
        .hero-text .btn-primary:hover { background: #eee; }
        .hero-image-wrapper { position: relative; display: flex; justify-content: center; align-items: center; }
        .hero-image { width: 100%; max-width: 400px; border-radius: 50%; border: 10px solid rgba(255, 255, 255, 0.2); }
        .floating-icon { position: absolute; width: 60px; height: 60px; background: rgba(255, 255, 255, 0.9); border-radius: 50%; display: flex; justify-content: center; align-items: center; box-shadow: 0 5px 15px rgba(0,0,0,0.3); animation: float 6s ease-in-out infinite; }
        .floating-icon img {
            width: 36px;
            height: 36px;
            object-fit: contain;
        }
        .icon-1 { top: 10%; left: 5%; animation-delay: 0s; }
        .icon-2 { top: 20%; right: 0%; animation-delay: 2s; }
        .icon-3 { bottom: 15%; left: 0%; animation-delay: 4s; }
        @keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-20px); } }

        /* --- About Me Section --- */
        .about-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 4rem; align-items: center; }
        .experience-box { background: var(--surface-color); padding: 2rem; border-radius: 10px; text-align: center; }
        .experience-box .years { font-size: 5rem; font-weight: 700; color: var(--primary-color); line-height: 1; }
        .experience-box p { font-size: 1.2rem; color: var(--heading-color); margin: 0; }
        .skills-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
        .skill-box { background: var(--surface-color); padding: 1.5rem; border-radius: 10px; text-align: center; }
        .skill-box .percentage { font-size: 2rem; font-weight: 600; color: var(--heading-color); }
        .skill-box p { margin: 0; font-size: 0.9rem; }

        /* --- Experience & Education Section --- */
        #experience, #education { background-color: var(--surface-color); }
        .experience-list .experience-item { display: grid; grid-template-columns: 60px 1fr auto; gap: 1.5rem; align-items: flex-start; padding: 2rem 0; border-bottom: 1px solid var(--border-color); }
        .experience-list .experience-item:last-child { border-bottom: none; }
        .exp-icon { width: 60px; height: 60px; background: #333; border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 1.8rem; color: var(--primary-color); }
        .exp-details h3 { margin: 0 0 0.25rem 0; font-size: 1.2rem; }
        .exp-details p { margin-bottom: 1rem; }
        .exp-date { font-weight: 500; color: var(--heading-color); }

        .exp-description {
            list-style: none;
            padding-left: 0;
            margin-top: 1rem;
            font-size: 0.95rem;
        }
        .exp-description li {
            margin-bottom: 0.5rem;
            display: flex;
            gap: 0.75rem;
            align-items: flex-start;
        }
        .exp-description li i {
            color: var(--primary-color);
            margin-top: 6px;
            font-size: 0.8rem;
        }
        
        /* --- Skills Section --- */
        .skills-software-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
        .skills-column h3, .software-column h3 { margin-bottom: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border-color); }
        .skills-list { list-style: none; }
        .skills-list li { margin-bottom: 1rem; display: flex; align-items: center; gap: 0.75rem; }
        .skills-list li i { color: var(--primary-color); }

        /* --- Services Section --- */
        .services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; }
        .service-card { background: var(--surface-color); padding: 2.5rem 2rem; border-radius: 10px; text-align: left; border: 1px solid var(--border-color); transition: all 0.3s ease; }
        .service-card:hover { transform: translateY(-10px); border-color: var(--primary-color); }
        .service-card .icon { font-size: 2rem; color: var(--primary-color); margin-bottom: 1.5rem; }
        .service-card h3 { font-size: 1.3rem; }

        /* --- Portfolio Section --- */
        #portfolio { background-color: var(--surface-color); }        
        .portfolio-filters {
            text-align: center;
            margin-bottom: 3rem;
        }
        .portfolio-filters button {
            background: none;
            border: 1px solid var(--border-color);
            color: var(--text-color);
            padding: 0.6rem 1.5rem;
            margin: 0 0.5rem;
            border-radius: 5px;
            cursor: pointer;
            font-family: 'Poppins', sans-serif;
            font-weight: 500;
            transition: all 0.3s ease;
        }
        .portfolio-filters button.active {
            background: var(--primary-color);
            color: #fff;
            border-color: var(--primary-color);
        }
        .portfolio-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
        .portfolio-item { position: relative; overflow: hidden; border-radius: 10px; cursor: pointer; }
        .portfolio-item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.4s ease; }
        .portfolio-item:hover img { transform: scale(1.1); }
        .portfolio-overlay { position: absolute; bottom: 0; left: 0; width: 100%; padding: 1.5rem; background: linear-gradient(to top, rgba(0,0,0,0.9), transparent); opacity: 0; transition: opacity 0.4s ease; }
        .portfolio-item:hover .portfolio-overlay { opacity: 1; }
        .portfolio-overlay h3 { color: #fff; margin: 0; }
        .portfolio-overlay p { color: var(--primary-color); margin: 0; font-size: 0.9rem; font-weight: 500;}

        .portfolio-item.hide {
            display: none;
        }

        /* --- Lightbox --- */
        .lightbox { display: none; position: fixed; z-index: 2000; left: 0; top: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.9); justify-content: center; align-items: center; }
        .lightbox-content { background-color: var(--surface-color); padding: 2rem; border-radius: 5px; max-width: 800px; width: 90%; position: relative; animation: fadeIn 0.4s; }
        .lightbox-close { position: absolute; top: 10px; right: 25px; color: #aaa; font-size: 35px; cursor: pointer; }
        #lightbox-img { width: 100%; margin-bottom: 1rem; border-radius: 5px; }
        #lightbox-title { margin-bottom: 0.25rem; }
        #lightbox-category { margin-bottom: 1rem; color: var(--primary-color); font-weight: 600; }
        @keyframes fadeIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }

        /* --- Contact Section --- */
        #contact { background-color: var(--surface-color); }
        .contact-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 2rem;
            background-color: var(--background-color);
            padding: 3rem;
            border-radius: 10px;
        }
        .contact-form-wrapper h3 { font-size: 1.8rem; }
        .form-group { margin-bottom: 1.5rem; }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
            color: var(--heading-color);
        }
        .form-group input, .form-group textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            background-color: var(--surface-color);
            border: 1px solid var(--border-color);
            border-radius: 5px;
            color: var(--text-color);
            font-family: 'Poppins', sans-serif;
        }
        .form-group input:focus, .form-group textarea:focus {
            outline: none;
            border-color: var(--primary-color);
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .contact-info-card {
            background-color: #2a2a2a; /* Slightly different dark shade */
            padding: 2rem;
            border-radius: 10px;
        }
        .contact-info-card h3 {
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
        }
        .contact-info-item {
            margin-bottom: 1.5rem;
            background-color: var(--surface-color);
            padding: 1rem;
            border-radius: 5px;
        }
        .contact-info-item .info-label {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 600;
            color: var(--heading-color);
            margin-bottom: 0.25rem;
        }
        .contact-info-item i {
            color: var(--primary-color);
        }
        .contact-info-item .info-value {
            color: var(--text-color);
            word-break: break-all;
        }
        .contact-socials h4 {
            font-size: 1.1rem;
            margin-top: 2rem;
            margin-bottom: 1rem;
        }
        .contact-socials a {
            font-size: 1.5rem;
            margin-right: 1rem;
            color: var(--text-color);
        }
        .contact-socials a:hover {
            color: var(--primary-color);
        }


        /* --- Footer --- */
        .footer { text-align: center; padding: 4rem 0 2rem 0; color: var(--text-color); }
        .footer .logo { font-size: 1.8rem; font-weight: 700; color: var(--heading-color); display: block; margin-bottom: 1.5rem; }
        .footer .social-links a { color: var(--text-color); font-size: 1.3rem; margin: 0 0.75rem; }
        .footer .social-links a:hover { color: var(--primary-color); }
        .footer .copyright { margin-top: 1.5rem; font-size: 0.9rem; color: #888; }
        
        /* --- Scroll Animations --- */
        .animate-on-scroll {
            opacity: 0;
            transition: opacity 0.7s ease-out, transform 0.7s ease-out;
        }
        .fade-in-up { transform: translateY(40px); }
        .fade-in-left { transform: translateX(-40px); }
        .fade-in-right { transform: translateX(40px); }
        .zoom-in { transform: scale(0.9); }

        .animate-on-scroll.is-visible {
            opacity: 1;
            transform: none;
        }

        /* --- Responsive Design --- */
        @media(max-width: 992px) {
            .hero-grid, .about-grid { grid-template-columns: 1fr; }
            .hero-text { text-align: center; }
            #home {
                height: auto;
                padding-top: 120px;
                padding-bottom: 60px;
            }
             .hero-image-wrapper {
                grid-row: 1;
                margin-bottom: 2rem;
            }
            .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
            .contact-grid { grid-template-columns: 1fr; }
             /* Show mobile nav toggle and style mobile menu */
            .nav-toggle {
                display: block;
            }
            .navbar .nav-links {
                position: fixed;
                top: 0;
                right: 0;
                height: 100vh;
                width: 70%;
                max-width: 300px;
                background-color: var(--surface-color);
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 2rem;
                transform: translateX(100%);
                transition: transform 0.3s ease-in-out;
                display: flex;
            }
            .navbar .nav-links.nav-active {
                transform: translateX(0);
            }
            .navbar ul li a {
                font-size: 1.2rem;
            }
        }
        @media(max-width: 768px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.2rem; }
            .skills-grid { grid-template-columns: 1fr; }
            .skills-software-grid { grid-template-columns: 1fr; }
            .portfolio-grid { grid-template-columns: 1fr; }
            .contact-form .form-row { grid-template-columns: 1fr; }
            .contact-grid { padding: 2rem; }
        }