body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            background-color: #f8f9fa;
            color: #212529;
        }

        header {
            background: linear-gradient(90deg, #e63946, #ff4d4d);
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .nav-container {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 20px;
            position: relative;
        }

        .logo {
            font-size: 1.6rem;
            font-weight: bold;
            color: #ffffff;
            text-decoration: none;
        }

        .menu-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #fff;
            cursor: pointer;
            position: absolute;
            right: 20px;
            top: 12px;
        }

        nav ul {
            list-style: none;
            display: flex;
            gap: 20px;
            margin: 0;
            padding: 0;
        }

        nav a {
            text-decoration: none;
            color: #fff;
            font-weight: 500;
            transition: all 0.2s;
        }

        nav a:hover {
            color: #ffe5e5;
        }

        .btn-contact {
            background-color: #fff;
            color: #e63946;
            padding: 8px 14px;
            border-radius: 5px;
            text-decoration: none;
            font-weight: bold;
        }

        .btn-contact:hover {
            background-color: #ffe5e5;
            color: #b91d27;
        }

        @media(max-width:768px) {
            nav ul {
                display: none;
                flex-direction: column;
                background: #fff;
                position: absolute;
                top: 60px;
                right: 20px;
                width: 220px;
                border-radius: 6px;
                box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
                overflow: hidden;
            }

            nav ul.open {
                display: flex;
            }

            nav a {
                color: #e63946;
                padding: 12px;
                border-bottom: 1px solid #eee;
                text-align: left;
            }

            nav a:hover {
                background: #ffe5e5;
            }

            nav a:last-child {
                border: none;
            }

            .menu-toggle {
                display: block;
            }
        }

        .hero {
            max-width: 1100px;
            margin: 30px auto;
            background: #ffffff;
            border-radius: 8px;
            padding: 20px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        h1,
        h2,
        h3 {
            color: #e63946;
        }

        section {
            margin-top: 20px;
        }

        .grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }

        .card {
            background: #fff;
            border-radius: 8px;
            padding: 16px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }

        ul,
        ol {
            margin-left: 20px;
        }

        .btn {
            display: inline-block;
            padding: 10px 16px;
            background: #e63946;
            color: #fff;
            text-decoration: none;
            border-radius: 5px;
            margin-top: 10px;
            font-weight: bold;
        }

        .btn:hover {
            background: #b91d27;
        }

        footer {
            text-align: center;
            padding: 20px;
            font-size: 14px;
            color: #6c757d;
        }

        form {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        input,
        textarea,
        select {
            padding: 10px;
            border-radius: 5px;
            border: 1px solid #ced4da;
        }