    body {
      margin: 0;
      font-family: 'Montserrat', sans-serif;
      background-color: #efefef;
      color: #fff;
    }
    header {
      background-color: #eaeaea;
      padding: 20px;
      text-align: center;
      border-bottom: 1px solid #dbdbdb;
      position: sticky;
      top: 0;
      width: -webkit-fill-available;
      z-index: 1000;
    }
    header h1 {
      font-family: 'Playfair Display', serif;
      font-size: 2.5em;
      margin: 0;
      color: #c3bfbf;
    }
    nav {
      margin-top: 10px;
    }
    nav a {
      color: #aaa;
      margin: 0 15px;
      text-decoration: none;
      font-weight: 600;
    }
    nav a:hover {
      color: #fff;
    }
    .hero {
      background-image: url('../images/blue_rose_1.png');
      background-size: contain;
      background-position: center;
      background-repeat: no-repeat;
      height: 80vh;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      padding: 0 20px;
    }
    .hero h2 {
      font-size: 2em;
      margin-bottom: 20px;
      color: #fff;
      text-shadow: 1px 1px 5px #000;
    }
    .hero p {
      font-size: 1.1em;
      max-width: 600px;
      color: #ddd;
      text-shadow: 1px 1px 3px #000;
    }
    .cta-button {
      margin-top: 30px;
      padding: 12px 28px;
      background-color: #e91e63;
      color: #fff;
      border: none;
      font-size: 1em;
      cursor: pointer;
      border-radius: 30px;
      text-decoration: none;
      transition: background-color 0.3s ease;
    }
    .cta-button:hover {
      background-color: #c2185b;
    }
    footer {
      background-color: #000;
      color: #888;
      text-align: center;
      padding: 20px;
      font-size: 0.9em;
      position: fixed;
      bottom: 0;
      width: -webkit-fill-available;
    }
    .potal-link {
      color: #888;
      font-size: 0.9em;
    }

    .about-section {
      padding: 40px 20px;
      max-width: 800px;
      margin: auto;
    }
    .about-section h2 {
      font-size: 1.8em;
      margin-bottom: 20px;
      color: #e91e63;
    }
    .about-section p {
      line-height: 1.8;
      font-size: 1.1em;
      color: #aaa;
    }
    .profile-image {
      width: 100%;
      max-width: 400px;
      margin: 30px auto;
      display: block;
      border-radius: 10px;
      box-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
    }
    .video-container {
      margin-top: 40px;
      position: relative;
      padding-bottom: 56.25%;
      height: 0;
      overflow: hidden;
      border-radius: 10px;
      box-shadow: 0 0 10px rgba(255,255,255,0.1);
    }
    .video-container iframe {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      border: none;
    }

    .lesson-section {
      max-width: 900px;
      margin: 40px auto;
      padding: 0 20px;
    }
    .lesson-section h2 {
      font-size: 1.6em;
      margin-bottom: 20px;
      color: #e91e63;
    }
    .lesson-section p {
      line-height: 1.8;
      font-size: 1.1em;
      color: #aaa;
    }
    .lesson-types {
      margin-top: 30px;
    }
    .lesson-section h3 {
      color: #f06292;
      margin-top: 20px;
    }
    .lesson-types ul {
      list-style: none;
      padding-left: 0;
    }
    .lesson-types li {
      margin-bottom: 10px;
      padding-left: 2em;
      position: relative;
      color: #aaa;
    }
    .lesson-types li::before {
      content: "🎤";
      position: absolute;
      left: 0;
    }
    .lesson-section p {
      color: #444;
    }
    table {
      width: 100%;
      border-collapse: collapse;
      margin-top: 30px;
    }
    th, td {
      border: 1px solid #444;
      padding: 12px;
      text-align: center;
      color: #444;
      font-weight: bold;
    }
    th {
      background-color: #d9d9d9;
      color: #444;
      font-weight: bold;
    }
    td {
      background-color: #d9d9d9;
    }

    .left_align {
        text-align: left;
    }

    .contact-section {
      max-width: 600px;
      margin: 40px auto;
      padding: 0 20px;
    }
    .contact-section h2 {
      font-size: 1.6em;
      margin-bottom: 20px;
      color: #e91e63;
    }
    form {
      display: flex;
      flex-direction: column;
    }
    label {
      margin-top: 15px;
      margin-bottom: 5px;
      font-weight: bold;
      color: #aaa;
    }
    input, textarea {
      padding: 10px;
      border: none;
      border-radius: 5px;
      background-color: #7a7a7a;
      color: #fff;
      font-size: 1em;
    }
    input::placeholder {
      color: #ddd;
    }
    textarea {
      resize: vertical;
      min-height: 100px;
    }
    button {
      margin-top: 20px;
      padding: 12px;
      background-color: #e91e63;
      color: #fff;
      border: none;
      border-radius: 30px;
      font-size: 1em;
      cursor: pointer;
      transition: background-color 0.3s ease;
    }
    button:hover {
      background-color: #c2185b;
    }
    .social-links {
      margin-top: 30px;
      text-align: center;
      color: #aaa;
    }
    .social-links a {
      color: #f06292;
      margin: 0 10px;
      text-decoration: none;
      font-weight: bold;
    }
