:where(*, ::before, ::after) {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: Arial, sans-serif;
        }
        body {
            background: #fff;
            color: #333;
            line-height: 1.5;
            min-height: 100vh;
        }
        main {
            padding: 40px 15px;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .content-wrapper {
            max-width: 1000px;
            width: 100%;
            text-align: center;
        }
        header h1 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 20px;
            color: #2b2b2b;
            text-transform: uppercase;
        }
        section h2 {
            font-size: 20px;
            font-weight: 600;
            margin: 30px 0 10px;
            color: #2b2b2b;
        }
        p {
            font-size: 16px;
            margin-bottom: 15px;
            color: #707070;
            text-align: justify;
        }
        .subscribe-section {
            margin-top: 40px;
            padding: 15px;
            border: 1px solid #e0e0e0;
            max-width: 500px;
            width: 100%;
            background: #fff;
        }
        .subscribe-section p {
            font-size: 16px;
            font-weight: 500;
            color: #707070;
            margin-bottom: 10px;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .subscribe-form input[type="email"] {
            padding: 10px;
            font-size: 14px;
            border: 1px solid #e0e0e0;
            width: 250px;
            background: #fff;
            color: #707070;
        }
        .subscribe-form button {
            padding: 10px 20px;
            font-size: 14px;
            background: #15a3d3;
            color: #fff;
            border: 1px solid #e0e0e0;
            cursor: pointer;
            transition: background 0.2s;
        }
        .subscribe-form button:hover {
            background: #1ab6e6;
        }
        @media (max-width: 600px) {
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input[type="email"],
            .subscribe-form button {
                width: 100%;
            }
        }