/* ===== CSS RESET ===== */
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        /* ===== CSS CUSTOM PROPERTIES ===== */
        :root {
            /* Colors - Dark Elite Tech Theme */
            --primary-bg: #0F1419;
            --secondary-bg: #1A1F2E;
            --accent-bg: #252A3A;
            --primary-text: #FFFFFF;
            --secondary-text: #B8BCC8;
            --accent-text: #8B949E;
            --accent-text-2: #82b9f6;
            --primary-accent: #00D4FF;
            --primary-accent-dark: #082045;
            --secondary-accent: #FF6B6B;
            --success-color: #00E676;
            --warning-color: #FFB300;
            --gradient-primary: linear-gradient(135deg, #00D4FF 0%, #0099CC 100%);
            --gradient-secondary: linear-gradient(135deg, #FF6B6B 0%, #CC5555 100%);
            --gradient-dark: linear-gradient(135deg, #1A1F2E 0%, #0F1419 100%);

            /* Typography */
            --font-primary: 'Orbitron', monospace;
            --font-secondary: 'Inter', sans-serif;

            /* Spacing */
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 1.5rem;
            --spacing-lg: 2rem;
            --spacing-xl: 3rem;
            --spacing-xxl: 4rem;

            /* Border radius */
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;

            /* Shadows */
            --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
            --shadow-box: 9px 6px 15px 4px #000312;
            --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);

            /* Transitions */
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

        /* ===== BASE STYLES ===== */
        html {
            scroll-behavior: smooth;
            font-size: 15px;
        }

        body {
            font-family: var(--font-secondary);
            background: var(--primary-bg);
            color: var(--primary-text);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* ===== UTILITY CLASSES ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        .section {
            padding: var(--spacing-xxl) 0;
        }

        .text-center {
            text-align: center;
        }

        .text-left {
            text-align: left;
        }

        .text-right {
            text-align: right;
        }

        .btn {
            display: inline-block;
            padding: var(--spacing-sm) var(--spacing-lg);
            border: none;
            border-radius: var(--radius-md);
            font-family: var(--font-primary);
            font-weight: 600;
            text-decoration: none;
            text-align: center;
            cursor: pointer;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
            -webkit-user-drag: none;
            user-select: none;
        }

        .btn-primary {
            background: var(--gradient-primary);
            color: var(--primary-text);
            box-shadow: var(--shadow-glow);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
        }

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

        .btn-secondary:hover {
            background: var(--primary-accent);
            color: var(--primary-bg);
        }

        /* ===== HEADER & NAVIGATION ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(15, 20, 25, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            transition: all var(--transition-normal);
        }

        .header.scrolled {
            background: rgba(15, 20, 25, 0.98);
            box-shadow: var(--shadow-md);
        }

        .nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--spacing-sm) 0;
        }

        .logo {
            font-family: var(--font-primary);
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--primary-accent);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: var(--spacing-xs);
            -webkit-user-drag: none;
            user-select: none;
        }

        .logo::before {
            content: "◈";
            font-size: 1.2em;
            color: var(--primary-accent);
        }

        #RudraVault-logo {
            width: 3em;
            border: 2px solid var(--primary-accent);
            border-radius: 26%;
            user-select: none;
            -webkit-user-drag: none;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: var(--spacing-lg);
            align-items: center;
        }

        .nav-link {
            color: var(--secondary-text);
            text-decoration: none;
            font-weight: 500;
            transition: color var(--transition-fast);
            position: relative;
            -webkit-user-drag: none;
            user-select: none;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--primary-accent);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-primary);
            transition: width var(--transition-normal);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
        }

        .nav-toggle span {
            width: 25px;
            height: 3px;
            background: var(--primary-text);
            transition: all var(--transition-normal);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -6px);
        }

        /* ===== HERO SECTION ===== */
        .hero {
            display: flex;
            justify-content: center;
            align-items: center;
            text-align: center;
            min-height: 100vh;
            background: var(--gradient-dark);
            position: relative;
            overflow: hidden;

            flex-direction: column;
            padding: 2rem;
            box-sizing: border-box;
            overflow-wrap: break-word;
            word-break: break-word;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23ffffff" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
            opacity: 0.3;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-title {
            font-family: var(--font-primary);
            font-size: clamp(2rem, 3vw, 3rem);
            font-weight: 900;
            margin-bottom: var(--spacing-md);
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
            position: relative;
            display: inline-block;
        }

        .cursor {
            margin: 0 5px;
            background: var(--gradient-primary);
            border-radius: 3px;
            animation: blink-caret 0.7s step-end infinite;
        }

        .hero-subtitle {
            font-size: clamp(1rem, 2vw, 1.1rem);
            color: var(--secondary-text);
            margin-bottom: var(--spacing-xl);
            font-weight: 300;

            max-width: 800px;
            line-height: 1.5;
        }

        .hero-cta {
            display: flex;
            gap: var(--spacing-md);
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== FEATURES SECTION ===== */
        .features {
            background: var(--secondary-bg);
        }

        .section-title {
            font-family: var(--font-primary);
            font-size: clamp(2rem, 5vw, 3rem);
            text-align: center;
            margin-bottom: var(--spacing-xl);
            color: var(--primary-text);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--spacing-lg);
            margin-top: var(--spacing-xl);
        }

        .feature-card {
            background: var(--accent-bg);
            padding: var(--spacing-xl);
            border-radius: var(--radius-lg);
            text-align: center;
            transition: all var(--transition-normal);
            border: 1px solid rgba(255, 255, 255, 0.1);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
            transition: left var(--transition-slow);
        }

        .feature-card:hover::before {
            left: 100%;
        }

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

        .feature-icon {
            font-size: 3rem;
            margin-bottom: var(--spacing-md);
            color: var(--primary-accent);
        }

        .feature-title {
            font-family: var(--font-primary);
            font-size: 1.5rem;
            margin-bottom: var(--spacing-sm);
            color: var(--primary-text);
        }

        .feature-description {
            color: var(--secondary-text);
            line-height: 1.6;
        }

        /* ===== ABOUT SECTION ===== */
        .about {
            background: var(--primary-bg);
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xxl);
            align-items: center;
        }

        .about-text h3 {
            font-family: var(--font-primary);
            font-size: 1.8rem;
            margin-bottom: var(--spacing-md);
            color: var(--primary-accent);
        }

        .about-text p {
            color: var(--secondary-text);
            margin-bottom: var(--spacing-md);
            font-size: 1.1rem;
        }

        .about-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--gradient-primary);
            box-shadow: -1px 1px 12px 4px var(--primary-accent-dark);
            transition: all ease 0.2s;
        }

        .about-image:hover {
            box-shadow: -1px 1px 17px 10px var(--primary-accent-dark);
        }

        .about-image-inner {
            background: var(--secondary-bg);
            text-align: center;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
            color: var(--primary-accent);
        }

        .about-image-inner img {
            width: 100%;
            height: auto;
            object-fit: cover;
            user-select: none;
            -webkit-user-drag: none;
        }

        /* ===== BLOG SECTION ===== */
        .blog {
            background: var(--secondary-bg);
        }

        .blog-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: var(--spacing-lg);
            margin-top: var(--spacing-xl);
        }

        .blog-card {
            background: #111;
            color: #fff;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-box);
            transition: transform 0.3s ease;
        }

        .blog-card:hover {
            transform: translateY(-5px);
        }

        .blog-image {
            height: 200px;
            background: var(--gradient-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 3rem;
            color: var(--primary-text);
        }

        .blog-image img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            object-fit: cover;
            user-select: none;
            -webkit-user-drag: none;
        }

        .blog-content {
            padding: 20px;
        }

        .blog-meta {
            color: var(--accent-text-2);
            font-size: 0.9rem;
            margin-bottom: var(--spacing-sm);
            text-shadow: 2px 0px 2px black
        }

        .blog-title {
            margin-bottom: var(--spacing-sm);
        }

        .blog-title a {
            text-decoration: none;
            font-family: var(--font-primary);
            font-size: 1.2rem;
            color: var(--primary-text);
            user-select: none;
            -webkit-user-drag: none;
            cursor: pointer;
            text-shadow: 2px 2px 2px black
        }

        .blog-excerpt {
            color: var(--secondary-text);
            margin-bottom: var(--spacing-md);
            line-height: 1.5;
        }

        .blog-link {
            color: var(--primary-accent);
            text-decoration: none;
            font-weight: 600;
            transition: color var(--transition-fast);
            display: inline-block;
            margin-top: 10px;
            user-select: none;
            -webkit-user-drag: none;
        }

        .blog-link:hover {
            color: var(--primary-text);
            text-decoration: underline;
        }

        /* ===== BLOG PAGE SECTION ===== */
        .hero-content,
        .blog-page-content {
            max-width: 800px;
            margin: auto;
            padding: 2rem;
        }

        .blog-page-content h2 {
            margin-top: 1.5rem;
            color: var(--primary-accent);
        }

        .blog-hero-img {
            width: 69%;
            height: auto;
            border-radius: var(--radius-md);
            box-shadow: 9px 6px 15px 4px #000312;
            margin: 5px auto;
            display: block;
        }

        .blog-page-content p,
        .blog-page-content ul {
            color: var(--secondary-text);
            line-height: 1.6;
            margin-top: var(--spacing-md);
        }

        .blog-page-content em {
            font-size: 0.9rem;
            color: var(--accent-text);
        }

        .blog-page-content ul li {
            margin: var(--spacing-xs) 0;
        }


        /* ===== CONTACT SECTION ===== */
        .contact {
            background: var(--primary-bg);
        }

        .contact-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xxl);
        }

        .contact-info h3 {
            font-family: var(--font-primary);
            font-size: 1.8rem;
            margin-bottom: var(--spacing-md);
            color: var(--primary-accent);
        }

        .contact-info p {
            color: var(--secondary-text);
            margin-bottom: var(--spacing-lg);
            font-size: 1.1rem;
        }

        .contact-form {
            background: var(--secondary-bg);
            padding: var(--spacing-xl);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .form-group {
            margin-bottom: var(--spacing-md);
        }

        .form-label {
            display: block;
            margin-bottom: var(--spacing-xs);
            color: var(--primary-text);
            font-weight: 500;
        }

        .form-input,
        .form-textarea {
            width: 100%;
            padding: var(--spacing-sm);
            background: var(--accent-bg);
            border: 2px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            color: var(--primary-text);
            font-family: var(--font-secondary);
            transition: border-color var(--transition-normal);
        }

        .form-input:focus,
        .form-textarea:focus {
            outline: none;
            border-color: var(--primary-accent);
        }

        .form-textarea {
            resize: vertical;
            min-height: 120px;
        }

        .form-error {
            color: var(--secondary-accent);
            font-size: 0.9rem;
            margin-top: var(--spacing-xs);
            display: none;
        }

        .form-success {
            color: var(--success-color);
            text-align: center;
            margin-top: var(--spacing-md);
            display: none;
        }

        /* ===== FOOTER ===== */
        .footer {
            background: var(--secondary-bg);
            padding: var(--spacing-xl) 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

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

        .footer-section h4 {
            font-family: var(--font-primary);
            color: var(--primary-accent);
            margin-bottom: var(--spacing-md);
        }

        .footer-section p,
        .footer-section a {
            color: var(--secondary-text);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-section a:hover {
            color: var(--primary-accent);
        }

        .social-links {
            display: flex;
            gap: var(--spacing-sm);
            margin-top: var(--spacing-md);
        }

        .social-link {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: var(--accent-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--secondary-text);
            text-decoration: none;
            transition: all var(--transition-normal);
        }
        .social-link i {
            font-size: 18px;
        }
        .social-link:hover {
            background: var(--primary-accent);
            color: var(--primary-bg);
            transform: translateY(-2px);
        }

        .footer-bottom {
            text-align: center;
            padding-top: var(--spacing-lg);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--accent-text);
        }

        /* ===== SCROLL TO TOP BUTTON ===== */
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--gradient-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-text);
            text-decoration: none;
            opacity: 0;
            visibility: hidden;
            transition: all var(--transition-normal);
            z-index: 1000;
            box-shadow: var(--shadow-md);
        }

        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .scroll-top:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-glow);
        }

        /* ===== RESPONSIVE DESIGN ===== */
        @media (max-width: 968px) {
            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: rgba(15, 20, 25, 0.98);
                flex-direction: column;
                justify-content: flex-start;
                padding-top: var(--spacing-xl);
                transition: left var(--transition-normal);
            }

            .nav-menu.active {
                left: 0;
            }

            .nav-toggle {
                display: flex;
            }

            .about-content {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .contact-content {
                grid-template-columns: 1fr;
            }

            .hero-cta {
                flex-direction: column;
                align-items: center;
            }

            .btn {
                width: 100%;
                max-width: 300px;
            }
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 var(--spacing-sm);
            }

            .section {
                padding: var(--spacing-xl) 0;
            }

            .features-grid,
            .blog-grid {
                grid-template-columns: 1fr;
            }

            .feature-card,
            .contact-form {
                padding: var(--spacing-lg);
            }

            .hero-title {
                font-size: 1.5rem;
            }

            .section-title {
                font-size: 1rem;
            }
        }

        /* ===== ANIMATIONS ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }

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

        .fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
        }

        @keyframes blink-caret {

            0%,
            100% {
                opacity: 1;
            }

            50% {
                opacity: 0;
            }
        }

        /* ===== LOADING STATES ===== */
        .loading {
            opacity: 0.7;
            pointer-events: none;
        }

        .loading::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 20px;
            height: 20px;
            margin: -10px 0 0 -10px;
            border: 2px solid transparent;
            border-top: 2px solid var(--primary-accent);
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            to {
                transform: rotate(360deg);
            }
        }