body {
  font-family: "Arial", sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f4;
  color: #333;
  line-height: 1.6;
}

html {
  scroll-padding-top: 12vh;
}

header {
  height: 8vh;
  position: fixed;
  width: 100%;
  z-index: 1000;
}

h1 {
  text-align: center;
  color: white;
  padding: 25px;
  font-size: 2.5rem;
  background-color: #2c3e50;
  margin: 0;
}

h2,
h3 {
  color: #2c3e50;
  margin-top: 1.5em;
  border-bottom: 2px solid #3498db;
}

h2 {
  font-size: 2rem;
  padding-left: 1rem;
}

h3 {
  font-size: 1.8rem;
  color: #4a6491;
}

.container {
  max-width: 90%;
  margin: 0 auto;
  padding: 0 20px;
  padding-top: 12vh;
}

.animal-section {
  background: white;
  border-radius: 8px;
  padding: 2rem;
  margin-bottom: 3rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.content-wrapper {
  display: flex;
  gap: 2rem;
  margin: 1.5rem 0;
  align-items: flex-start;
}

.text-content {
  flex: 1;
}

.content-wrapper img {
  max-width: 60%;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
}

p {
  margin-bottom: 1.2rem;
  font-size: 1.4rem;
  line-height: 1.7;
}

strong {
  color: #2c3e50;
  font-weight: 600;
}

ul {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.5rem;
  font-size: 1.3rem;
}

img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 1rem 0;
}

iframe {
  width: 100%;
  height: 500px;
  border: none;
  border-radius: 8px;
  margin: 1rem 0;
}

.video-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 1rem;
}

.classification {
  background: #f0f4f8;
  padding: 1.5rem;
  border-radius: 8px;
  margin: 1.5rem 0;
}

.classification p {
  margin: 0.5rem 0;
  font-family: "Courier New", Courier, monospace;
}

footer {
  background-color: #2c3e50;
  color: #ecf0f1;
  padding: 30px 20px;
  margin-top: 40px;
  font-size: 1.1rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.footer-content p {
  margin: 12px 0;
  font-size: 1.3rem;
  font-weight: 500;
}

@media (max-width: 1440px) {
  .container {
    max-width: 95%;
    padding-top: 10vh;
  }

  h1 {
    font-size: 2.3rem;
    padding: 20px;
  }

  h2 {
    font-size: 1.8rem;
  }

  p,
  li {
    font-size: 1.3rem;
  }

  .content-wrapper {
    flex-direction: column;
    gap: 1.5rem;
  }

  .content-wrapper img {
    max-width: 100%;
    margin: 0 auto;
  }

  .video-container {
    grid-template-columns: 1fr;
  }

  iframe {
    height: 400px;
  }
}

@media (max-width: 1024px) {
  h1 {
    font-size: 2.1rem;
    padding: 18px;
  }

  .animal-section {
    padding: 1.5rem;
  }

  h2 {
    font-size: 1.7rem;
  }

  h3 {
    font-size: 1.6rem;
  }

  p,
  li {
    font-size: 1.2rem;
  }

  iframe {
    height: 350px;
  }

  .classification {
    padding: 1rem;
  }
}

@media (max-width: 768px) {
  html {
    scroll-padding-top: 10vh;
  }

  header {
    height: 10vh;
  }

  h1 {
    font-size: 1.9rem;
    padding: 15px;
  }

  .container {
    padding-top: 10vh;
  }

  .animal-section {
    padding: 1.2rem;
    margin-bottom: 2rem;
  }

  h2 {
    font-size: 1.6rem;
  }

  h3 {
    font-size: 1.5rem;
  }

  p,
  li {
    font-size: 1.1rem;
  }

  iframe {
    height: 300px;
  }

  .content-wrapper {
    gap: 1rem;
  }
}

@media (max-width: 425px) {
  html {
    scroll-padding-top: 8vh;
  }

  header {
    height: 8vh;
  }

  h1 {
    font-size: 1.7rem;
    padding: 12px;
  }

  .container {
    padding-top: 8vh;
    max-width: 100%;
    padding-left: 10px;
    padding-right: 10px;
  }

  h2 {
    font-size: 1.4rem;
  }

  h3 {
    font-size: 1.3rem;
  }

  p,
  li {
    font-size: 1rem;
  }

  iframe {
    height: 250px;
  }

  .animal-section {
    padding: 1rem;
  }

  .classification p {
    font-size: 0.9rem;
  }
}

@media (max-width: 375px) {
  h1 {
    font-size: 1.6rem;
  }

  h2 {
    font-size: 1.3rem;
  }

  iframe {
    height: 200px;
  }

  .footer-content p {
    font-size: 1.1rem;
  }
}

@media (max-width: 320px) {
  h1 {
    font-size: 1.5rem;
    padding: 10px;
  }

  h2 {
    font-size: 1.2rem;
  }

  h3 {
    font-size: 1.1rem;
  }

  p,
  li {
    font-size: 0.9rem;
  }

  iframe {
    height: 180px;
  }

  .footer-content p {
    font-size: 1rem;
  }
}