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

        :root {
            --primary: #ff6b6b;
            --secondary: #4ecdc4;
            --accent: #45b7d1;
            --dark: #2c3e50;
            --darker: #1a252f;
            --light: #ecf0f1;
            --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
            --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.7;
            color: #333;
            overflow-x: hidden;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        }

        /* Navigation */
        .navbar {
            position: fixed;
            top: 0;
            width: 100%;
            padding: 1rem 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            box-shadow: 0 2px 20px rgba(0,0,0,0.1);
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .nav-container {
            max-width: 100%;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 2rem;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: var(--gradient-1);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 2.5rem;
        }

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

        .nav-link:hover {
            color: #667eea;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-1);
            transition: width 0.3s ease;
        }

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

        /* Hero Section */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            background: var(--gradient-1);
            color: white;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 70%, rgba(255,255,255,0.1) 0%, transparent 50%),
                        radial-gradient(circle at 70% 30%, rgba(255,255,255,0.1) 0%, transparent 50%);
            animation: pulse 4s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.8; }
        }

        .hero-container {
            max-width: 100%;
            margin: 0 auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            z-index: 2;
                    }

        .hero-content h1 {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            animation: slideInLeft 1s ease-out;
        }

        @keyframes slideInLeft {
            from {
                opacity: 0;
                transform: translateX(-50px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        .hero-subtitle {
            font-size: 1.3rem;
            opacity: 0.9;
            margin-bottom: 2.5rem;
            animation: slideInLeft 1s ease-out 0.2s both;
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
            animation: slideInLeft 1s ease-out 0.4s both;
        }

        .btn {
            padding: 1rem 2rem;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-block;
            text-align: center;
        }

        .btn-primary {
            background: white;
            color: #667eea;
            box-shadow: 0 10px 30px rgba(255,255,255,0.3);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(255,255,255,0.4);
        }

        .btn-secondary {
            background: transparent;
            color: white;
            border: 2px solid rgba(255,255,255,0.3);
        }

        .btn-secondary:hover {
            background: rgba(255,255,255,0.1);
            border-color: white;
        }

        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
            animation: slideInRight 1s ease-out 0.6s both;
        }

        @keyframes slideInRight {
            from {
                opacity: 0;
                transform: translateX(50px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        .code-window {
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(20px);
            border-radius: 15px;
            padding: 2rem;
            width: 100%;
            max-width: 500px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.2);
            border: 1px solid rgba(255,255,255,0.2);
        }

        .window-header {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }

        .window-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: rgba(255,255,255,0.4);
        }

        .code-line {
            font-family: 'Fira Code', monospace;
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
            opacity: 0;
            animation: typewriter 0.5s ease-out forwards;
        }

        .code-line:nth-child(2) { animation-delay: 1s; }
        .code-line:nth-child(3) { animation-delay: 1.2s; }
        .code-line:nth-child(4) { animation-delay: 1.4s; }
        .code-line:nth-child(5) { animation-delay: 1.6s; }

        @keyframes typewriter {
            to {
                opacity: 1;
            }
        }

        /* Services Section */
        .services {
            padding: 100px 0;
            background: white;
        }

        .container {
            max-width: 100%;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .section-header {
            text-align: center;
            margin-bottom: 4rem;
        }

        .section-title {
            font-size: 3rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 1rem;
        }

        .section-subtitle {
            font-size: 1.2rem;
            color: #666;
            max-width: 600px;
            margin: 0 auto;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
        }

        .service-card {
            background: white;
            border-radius: 20px;
            padding: 2.5rem;
            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            border: 1px solid #f0f0f0;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-1);
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 60px rgba(0,0,0,0.15);
        }

        .service-icon {
            width: 70px;
            height: 70px;
            border-radius: 15px;
            background: var(--gradient-1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin-bottom: 1.5rem;
        }

        .service-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 1rem;
        }

        .service-description {
            color: #666;
            line-height: 1.6;
            margin-bottom: 1.5rem;
        }

        .service-features {
            list-style: none;
        }

        .service-features li {
            color: #777;
            margin-bottom: 0.5rem;
            position: relative;
            padding-left: 1.5rem;
        }

        .service-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: #4ecdc4;
            font-weight: bold;
        }

        /* Tech Stack */
        .tech-stack {
            padding: 100px 0;
            background: #f8fafc;
        }

        .tech-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .tech-item {
            text-align: center;
            padding: 2rem 1rem;
            background: white;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .tech-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .tech-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }

        .tech-name {
            font-weight: 600;
            color: var(--dark);
        }

        /* CTA Section */
        .cta-section {
            padding: 100px 0;
            background: var(--gradient-2);
            color: white;
            text-align: center;
        }

        .cta-content h2 {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }

        .cta-content p {
            font-size: 1.2rem;
            margin-bottom: 2rem;
            opacity: 0.9;
        }

        /* Footer */
        .footer {
            background: var(--darker);
            color: white;
            padding: 3rem 0 1rem;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-section h3 {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            color: #4ecdc4;
        }

        .footer-section p,
        .footer-section a {
            color: #bbb;
            text-decoration: none;
            line-height: 1.8;
        }

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

        .footer-bottom {
            border-top: 1px solid #444;
            padding-top: 2rem;
            text-align: center;
            color: #888;
        }

    .sadriusoft-logo {
        width: 100%;
        aspect-ratio: 4.75/1;
        pointer-events: none;
    user-select: none;
    }
        /* Tablet Responsive (768px and up) */
        @media screen and (min-width: 769px) and (max-width: 912px) {

            .nav-menu {
                display: flex;
                 width: 100%;
            }

            .nav-toggle {
                display: none;
            }

            .mobile-menu {
                display: none;
            }

            .nav-container {
                padding: 0 2rem;
                 width: 100%;
            }

            .logo {
                font-size: 1.8rem;
            }

            .hero-container {
                grid-template-columns: 1fr 1fr;
                gap: 4rem;
                text-align: left;
                 width: 100%;
            }

            .hero-content h1 {
                font-size: 3rem;
            }

            .hero-subtitle {
                font-size: 1.3rem;
            }

            .hero-buttons {
                flex-direction: row;
                justify-content: flex-start;
            }

            .btn {
                width: auto;
            }

            .services-grid {
                grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            }

            .section-title {
                font-size: 2.5rem;
            }

            .tech-grid {
                grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
                gap: 2rem;
            }

            .footer-content {
                grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            }
        }

        /* Desktop Responsive (1024px and up) */
        @media (min-width: 912px) {
            .hero-content h1 {
                font-size: 3.5rem;
            }

            .section-title {
                font-size: 3rem;
            }

            .cta-buttons {
                flex-direction: row;
                justify-content: center;
            }

            .footer-content {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        /* Very small devices (375px and below) */
         @media screen and (min-width: 481px) and (max-width: 768px) {

             .nav-menu {
                display: flex;
                 width: 100%;
            }

            .nav-toggle {
                display: none;
            }

            .mobile-menu {
                display: none;
            }

            .nav-container {
                padding: 0 2rem;
                 width: 100%;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .service-card {
                padding: 1.5rem;
            }

            .code-window {
                padding: 1rem;
            }

            .code-line {
                font-size: 0.7rem;
            }

            .tech-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .container {
                padding: 0 0.75rem;
                 width: 100%;
            }
        }

        /* Scroll animations */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }