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

        body {
            height: 100vh;
            background: url('assets/images/hotel-bg.jpg') no-repeat center center/cover;
            position: relative;
            color: white;
        }

        /* dark overlay */
        .overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.6);
        }

        /* navbar */
        .nav {
            position: absolute;
            top: 0;
            width: 100%;
            display: flex;
            justify-content: space-between;
            padding: 20px 40px;
            z-index: 2;
        }

        .nav a {
            color: white;
            text-decoration: none;
            margin-left: 20px;
        }

        /* center booking box */
        .booking-box {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 2;
            background: rgba(255,255,255,0.1);
            padding: 25px;
            border-radius: 10px;
            width: 90%;
            max-width: 500px;
            backdrop-filter: blur(8px);
        }

        input, button {
            width: 100%;
            padding: 12px;
            margin-top: 10px;
            border: none;
            border-radius: 5px;
        }

        button {
            background: #ffcc00;
            font-weight: bold;
            cursor: pointer;
        }

        h2 {
            text-align: center;
            margin-bottom: 10px;
        }