/* General Reset and Body */
body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  background: #f4f4f4;
  color: #333;
}

/* Main Container */
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px;
  background: #fff;
}

/* Header */
header {
  background: #fff;
  padding: 1rem 0.5rem;
  text-align: center;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

header img {
  max-width: 180px;
  height: auto;
}

/* Navigation */
nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  background-color: #333;
  padding: 0.5rem 0;
  border-top: 1px solid #444;
}

nav a {
  color: white;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  font-size: 1rem;
  transition: background-color 0.3s ease;
}

nav a:hover {
  background-color: #555;
  border-radius: 5px;
}

/* Banner */
.banner {
  padding: 4rem 2rem;
  text-align: center;
  background: #e0e0e0;
}

.banner h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.cta-buttons {
  margin-top: 2rem;
}

.cta-buttons a {
  margin: 0 1rem;
  padding: 1rem 2rem;
  background-color: #009688;
  color: white;
  border-radius: 5px;
  text-decoration: none;
}

.cta-buttons a:hover {
  background-color: #00796b;
}

/* Button Styles */
.button {
  display: inline-block;
  padding: 12px 24px;
  margin: 10px 0;
  background-color: #d62828;
  color: #fff;
  font-size: 16px;
  text-align: center;
  text-decoration: none;
  border: none;
  border-radius: 10px;
  transition: background-color 0.3s ease;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.button:hover {
  background-color: #9e1f1f;
  cursor: pointer;
}

/* Lesson Section */
.lesson-section {
  padding: 20px;
  text-align: center;
}

.section-title {
  font-size: 2em;
  margin-bottom: 10px;
}

.price-note {
  font-size: 1.1em;
  margin-bottom: 20px;
}

/* Slides - Responsive Layout */
.video-slides {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  padding: 20px;
}

.slide {
  background: #fff;
  border-radius: 15px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  padding: 10px;
  transition: transform 0.3s ease;
}

.slide:hover {
  transform: translateY(-5px);
}

.slide video {
  width: 100%;
  height: auto;
  border-radius: 10px;
  display: block;
}

.slide p {
  text-align: center;
  font-size: 1.2em;
  font-weight: bold;
  margin-top: 10px;
}

/* Social Media Icons */
.social-media {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 15px;
  flex-wrap: wrap;
  margin-top: 30px;
}

.social-media a img {
  width: 36px;
  height: 36px;
  transition: transform 0.3s ease;
}

.social-media a:hover img {
  transform: scale(1.2);
}

/* Footer */
footer {
  background: #222;
  color: white;
  text-align: center;
  padding: 20px 0;
  margin-top: 40px;
}

.video-slides a {
  text-decoration: none;
  color: inherit;
}

.music-divider {
  height: 40px;
  background-image: url('background.jpg');
  background-repeat: repeat-x;
  background-size: contain;
  background-position: center;
  margin: 30px 0;
  border-top: 1px solid #eee;
  border-bottom: 1px solid #eee;
}
.logo {
  height: 300px;width: 200;
}
iframe {
  width: 100%;
  max-width: 720px;
  height: 405px; /* 720 x 0.5625 (16:9 aspect ratio) */
  border: none;
  display: block;
  margin: 0 auto;
}
<style>
  .video-container {
    border: 1px solid #ddd;
    padding: 20px;
    margin-bottom: 30px;
    border-radius: 10px;
    background-color: #f9f9f9;
  }

  iframe {
    max-width: 100%;
    border-radius: 8px;
  }

  .preview-btn {
    display: inline-block;
    background-color: #007BFF;
    color: white;
    font-weight: bold;
    text-decoration: none;
    padding: 10px 15px;
    border-radius: 5px;
    margin: 10px 0;
  }

  .whatsapp-btn {
    display: inline-block;
    background-color: #25D366;
    color: white;
    font-weight: bold;
    text-decoration: none;
    padding: 10px 15px;
    border-radius: 5px;
    margin: 10px 0;
  }

  form {
    margin-top: 10px;
  }

  input[type="text"],
  input[type="email"] {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    margin-bottom: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
  }

  button[type="submit"] {
    background-color: black;
    color: white;
    padding: 10px;
    border: none;
    border-radius: 5px;
    font-weight: bold;
    width: 100%;
  }
</style>