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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: Arial, Helvetica, sans-serif;
            color: #152238;
            background: #ffffff;
            line-height: 1.6;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        /* =========================
           HEADER
        ========================= */

        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(5, 20, 40, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

        .navbar {
            max-width: 1200px;
            margin: auto;
            padding: 18px 25px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            color: white;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: linear-gradient(135deg, #00a8ff, #2563eb);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 21px;
            font-weight: 800;
        }

        .logo-text strong {
            display: block;
            font-size: 18px;
            letter-spacing: 1px;
        }

        .logo-text span {
            font-size: 11px;
            color: #aab8ca;
        }

        nav {
            display: flex;
            gap: 35px;
        }

        nav a {
            color: #ffffff;
            font-size: 15px;
            transition: 0.3s;
        }

        nav a:hover {
            color: #20a4ff;
        }

        /* =========================
           HERO
        ========================= */

        .hero {
            min-height: 700px;
            padding: 150px 25px 100px;
            background:
                radial-gradient(circle at 80% 40%, rgba(0, 153, 255, 0.18), transparent 35%),
                linear-gradient(135deg, #061426, #092a50 60%, #061426);
            color: white;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(0, 157, 255, 0.08);
            right: -150px;
            top: 100px;
            filter: blur(10px);
        }

        .hero-container {
            max-width: 1200px;
            margin: auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-content small {
            color: #16a9ff;
            letter-spacing: 4px;
            font-weight: bold;
            font-size: 14px;
        }

        .hero-content h1 {
            font-size: clamp(42px, 5vw, 65px);
            line-height: 1.08;
            margin: 20px 0;
        }

        .hero-content h1 span {
            color: #159fff;
        }

        .hero-content p {
            max-width: 570px;
            color: #c5d1df;
            font-size: 17px;
            margin-bottom: 30px;
        }

        .hero-buttons {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        .btn {
            padding: 13px 25px;
            border-radius: 7px;
            font-weight: bold;
            display: inline-block;
            transition: 0.3s;
        }

        .btn-primary {
            background: #119cff;
            color: white;
        }

        .btn-primary:hover {
            background: #007bd4;
            transform: translateY(-2px);
        }

        .btn-outline {
            border: 1px solid rgba(255,255,255,0.4);
            color: white;
        }

        .btn-outline:hover {
            border-color: #159fff;
            color: #159fff;
        }

        /* Hero Illustration */

        .hero-visual {
            min-height: 400px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .laptop {
            width: 430px;
            max-width: 100%;
            position: relative;
        }

        .screen {
            height: 270px;
            border: 12px solid #172d47;
            border-bottom: 18px solid #172d47;
            border-radius: 15px 15px 5px 5px;
            background: linear-gradient(145deg, #102f55, #06162b);
            box-shadow: 0 25px 70px rgba(0,0,0,0.45);
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

        .screen-code {
            color: #20a4ff;
            font-size: 48px;
            font-weight: bold;
        }

        .screen-content h3 {
            font-size: 27px;
            margin-top: 10px;
        }

        .screen-content p {
            color: #93a7bd;
            font-size: 14px;
        }

        .laptop-base {
            height: 20px;
            background: #60758b;
            border-radius: 0 0 25px 25px;
            width: 110%;
            margin-left: -5%;
            box-shadow: 0 15px 30px rgba(0,0,0,0.3);
        }

        /* =========================
           ABOUT
        ========================= */

        .about {
            padding: 90px 25px;
            background: #fff;
        }

        .section-container {
            max-width: 1100px;
            margin: auto;
        }

        .section-heading {
            text-align: center;
            margin-bottom: 55px;
        }

        .section-heading small {
            color: #078ff0;
            letter-spacing: 3px;
            font-weight: bold;
            font-size: 13px;
        }

        .section-heading h2 {
            font-size: 42px;
            margin: 8px 0 12px;
            color: #14243a;
        }

        .section-heading p {
            max-width: 680px;
            margin: auto;
            color: #68788d;
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 30px;
            margin-bottom: 18px;
        }

        .about-text p {
            color: #63748a;
            margin-bottom: 15px;
        }

        .features {
            display: flex;
            gap: 20px;
            margin-top: 25px;
            flex-wrap: wrap;
        }

        .feature {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .feature-icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: #e7f5ff;
            color: #078ff0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 19px;
        }

        .about-box {
            padding: 40px;
            border-radius: 20px;
            background: linear-gradient(135deg, #eaf6ff, #f5f9ff);
            text-align: center;
        }

        .about-box .big-icon {
            font-size: 70px;
            margin-bottom: 15px;
        }

        .about-box h3 {
            margin-bottom: 10px;
        }

        .about-box p {
            color: #68788d;
        }

        /* =========================
           SERVICES
        ========================= */

        .services {
            padding: 90px 25px;
            background: #f7faff;
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .service-card {
            background: white;
            padding: 35px 25px;
            border-radius: 15px;
            text-align: center;
            box-shadow: 0 10px 35px rgba(20,50,80,0.07);
            transition: 0.35s;
            border: 1px solid #edf2f7;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 45px rgba(20,50,80,0.13);
        }

        .service-icon {
            width: 75px;
            height: 75px;
            border-radius: 20px;
            margin: auto auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 34px;
            background: #e8f5ff;
        }

        .service-card:nth-child(2) .service-icon {
            background: #f3eaff;
        }

        .service-card:nth-child(3) .service-icon {
            background: #e9fff4;
        }

        .service-card:nth-child(4) .service-icon {
            background: #fff1e8;
        }

        .service-card h3 {
            font-size: 21px;
            margin-bottom: 12px;
        }

        .service-card p {
            font-size: 14px;
            color: #6d7c90;
        }

        /* =========================
           CONTACT
        ========================= */

        .contact {
            padding: 90px 25px;
            background: white;
        }

        .contact-box {
            max-width: 900px;
            margin: auto;
            background: linear-gradient(135deg, #07182c, #0b3764);
            border-radius: 22px;
            padding: 55px;
            color: white;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .contact-box h2 {
            font-size: 35px;
            margin-bottom: 12px;
        }

        .contact-box p {
            color: #b9c9db;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .contact-item .icon {
            width: 45px;
            height: 45px;
            background: rgba(20,160,255,0.15);
            border: 1px solid rgba(20,160,255,0.25);
            border-radius: 10px;
            display: flex;
            justify-content: center;
            align-items: center;
            font-size: 20px;
        }

        .contact-item small {
            display: block;
            color: #8ea3b9;
            font-size: 12px;
        }

        .contact-item strong {
            font-size: 16px;
        }

        /* =========================
           FOOTER
        ========================= */

        footer {
            background: #051426;
            color: white;
            padding: 55px 25px 20px;
        }

        .footer-container {
            max-width: 1100px;
            margin: auto;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 50px;
            padding-bottom: 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 15px;
        }

        .footer-description {
            color: #8fa2b8;
            max-width: 330px;
            font-size: 14px;
        }

        footer h3 {
            font-size: 17px;
            margin-bottom: 18px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: #9aacc0;
            font-size: 14px;
            transition: 0.3s;
        }

        .footer-links a:hover {
            color: #13a1ff;
        }

        .footer-contact {
            color: #9aacc0;
            font-size: 14px;
        }

        .footer-contact div {
            margin-bottom: 10px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            text-align: center;
            color: #71859b;
            font-size: 13px;
        }

        .footer-bottom a {
            color: #18a4ff;
        }

        /* =========================
           MOBILE
        ========================= */

        @media (max-width: 900px) {

            nav {
                gap: 18px;
            }

            .hero-container {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .hero-content p {
                margin-left: auto;
                margin-right: auto;
            }

            .hero-buttons {
                justify-content: center;
            }

            .hero-visual {
                min-height: 300px;
            }

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

            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

            .footer-container {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 600px) {

            .navbar {
                padding: 14px 18px;
            }

            .logo-text strong {
                font-size: 15px;
            }

            nav {
                display: none;
            }

            .hero {
                padding-top: 120px;
                padding-bottom: 70px;
            }

            .hero-content h1 {
                font-size: 40px;
            }

            .hero-content p {
                font-size: 15px;
            }

            .screen {
                height: 210px;
            }

            .screen-code {
                font-size: 35px;
            }

            .section-heading h2 {
                font-size: 32px;
            }

            .service-grid {
                grid-template-columns: 1fr;
            }

            .contact-box {
                padding: 35px 25px;
            }

            .contact-box h2 {
                font-size: 28px;
            }

            .footer-container {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .about {
                padding: 65px 20px;
            }

            .services {
                padding: 65px 20px;
            }

            .contact {
                padding: 65px 20px;
            }
        }