html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh; /* full viewport height */
}

main {
  flex: 1; /* pushes footer to the bottom */
}

/* Base styles */
.intro-section {
  text-align: center;
  margin: 2rem auto;
  padding: 1rem;
  max-width: 1200px;
  box-sizing: border-box;
}

.intro-section h1 {
  font-size: 2.5rem;
  color: #000;
  margin-bottom: 1.5rem;
}

/* Inner content: image + text */
.intro-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap; /* ensures wrapping on narrow screens */
}

/* Image styling */
.intro-content img {
  width: 300px;
  max-width: 100%;
  height: auto;
  border-radius: 15px;
  border: 3px solid #000;
  background-color: #f8f1ee;
  box-shadow: 5px 5px 0 #000;
}

/* Paragraph styling */
.intro-content p {
  flex: 1;
  font-size: 1.1rem;
  line-height: 1.6;
  color: #000;
  text-align: justify;
  min-width: 250px;
}

footer {
  text-align: center;
  padding: 1rem;
  font-family: monospace;
  font-size: 1rem;
  color: #000;
  border-top: 2px solid #000;
  width: 100%;
  box-sizing: border-box;
}

footer p {
  margin: 0;
}

/* ===============================
   RESPONSIVE BEHAVIOR
   =============================== */

/* Tablets (≤900px) */
@media (max-width: 900px) {
  .intro-section h1 {
    font-size: 2rem;
  }

  .intro-content {
    gap: 1.5rem;
  }

  .intro-content img {
    width: 250px;
  }

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

  footer {
    font-size: 0.95rem;
    padding: 0.8rem;
  }
}

/* Phones (≤600px) */
@media (max-width: 600px) {
  .intro-content {
    flex-direction: column;
    text-align: center;
  }

  .intro-content img {
    width: 80%;
    max-width: 250px;
  }

  .intro-content p {
    text-align: justify;
    font-size: 0.95rem;
    padding: 0 1rem;
  }

  .intro-section h1 {
    font-size: 1.8rem;
  }

  footer {
    font-size: 0.9rem;
    padding: 0.6rem;
  }
}