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

        :root {
            --primary: #2563eb;
            --dark: #1e3a8a;
            --accent: #f97316;
            --dark-bg: #0f172a;
            --light-bg: #f9fafb;
            --text: #1f2937;
            --gray: #6b7280;
            --border: #e5e7eb;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            color: var(--text);
            line-height: 1.6;
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 60px;
            background: white;
            box-shadow: 0 2px 12px rgba(0,0,0,0.08);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .logo-container {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }

        .logo-svg {
            width: 45px;
            height: 45px;
        }

        .logo-text {
            font-size: 24px;
            font-weight: 900;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 50px;
            align-items: center;
        }

        nav a {
            text-decoration: none;
            color: var(--text);
            font-weight: 500;
            font-size: 14px;
            transition: color 0.3s;
            position: relative;
        }

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

        nav a.active::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            right: 0;
            height: 2.5px;
            background: var(--primary);
        }

        section {
            padding: 120px 60px;
        }

        section.light-bg {
            background: white;
        }

        section.dark-bg {
            background: var(--dark-bg);
            color: white;
        }

        .section-title {
            text-align: center;
            margin-bottom: 15px;
            opacity: 0;
            animation: fadeInUp 0.8s ease-out forwards;
        }

        .section-title h1 {
            font-size: 48px;
            font-weight: 900;
            margin-bottom: 15px;
            letter-spacing: -0.8px;
            color: var(--text);
        }

        .section-title p {
            font-size: 17px;
            color: var(--gray);
            max-width: 800px;
            margin: 0 auto;
            line-height: 1.8;
        }

        .services-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            margin-bottom: 100px;
            margin-top: 80px;
        }

        .intro-col {
            opacity: 0;
            animation: fadeInUp 0.8s ease-out forwards;
        }

        .intro-col h3 {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--text);
        }

        .intro-col p {
            font-size: 15px;
            color: var(--gray);
            line-height: 1.8;
            margin-bottom: 15px;
        }

        .services-full {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            margin-bottom: 80px;
        }

        .service-section {
            opacity: 0;
            animation: fadeInUp 0.8s ease-out forwards;
        }

        .service-section h3 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 15px;
            color: var(--primary);
        }

        .service-section h4 {
            font-size: 18px;
            font-weight: 700;
            margin: 25px 0 15px 0;
            color: var(--text);
        }

        .service-section p {
            font-size: 15px;
            color: var(--gray);
            line-height: 1.8;
            margin-bottom: 18px;
        }

        .service-section ul {
            list-style: none;
            margin-bottom: 25px;
        }

        .service-section ul li {
            font-size: 14px;
            color: var(--gray);
            padding: 8px 0;
            padding-left: 24px;
            position: relative;
            line-height: 1.6;
        }

        .service-section ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            background: var(--primary);
            border-radius: 50%;
        }

        .service-section ul li strong {
            color: var(--text);
            font-weight: 700;
        }

        .service-section ul ul {
            margin-left: 20px;
            margin-top: 10px;
        }

        .service-section ul ul li::before {
            width: 4px;
            height: 4px;
            background: var(--accent);
        }

        footer {
            background: var(--dark-bg);
            color: white;
            padding: 80px 60px 30px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 60px;
            border-top: 1px solid rgba(255,255,255,0.1);
        }

        footer h4 {
            font-size: 13px;
            font-weight: 700;
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 1.5px;
        }

        footer p {
            color: #9ca3af;
            font-size: 14px;
            margin-bottom: 10px;
            line-height: 1.8;
        }

        footer a {
            color: #9ca3af;
            text-decoration: none;
            transition: color 0.3s ease;
            display: block;
            font-size: 14px;
            margin-bottom: 8px;
        }

        footer a:hover {
            color: white;
        }

        .footer-bottom {
            grid-column: 1 / -1;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 30px;
            margin-top: 20px;
            text-align: center;
            color: #6b7280;
            font-size: 13px;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(40px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 1024px) {
            nav { padding: 15px 40px; }
            nav ul { gap: 35px; }
            section { padding: 80px 40px; }
            .section-title h1 { font-size: 36px; }
            .services-intro { grid-template-columns: 1fr; gap: 50px; }
            .services-full { grid-template-columns: 1fr; gap: 60px; }
            footer { grid-template-columns: repeat(2, 1fr); gap: 40px; }
        }

        @media (max-width: 768px) {
            nav { flex-direction: column; gap: 12px; padding: 12px 20px; }
            nav ul { gap: 15px; flex-wrap: wrap; justify-content: center; }
            section { padding: 60px 20px; }
            .section-title h1 { font-size: 28px; }
            footer { grid-template-columns: 1fr; gap: 30px; padding: 50px 20px 15px; }
        }

        @media (max-width: 480px) {
            nav { padding: 10px 12px; }
            nav a { font-size: 12px; }
            .section-title h1 { font-size: 24px; }
        }