/* Intro Section */
#intro {
  padding: 60px 20px;
  text-align: center;
  background-color: #f4f4f4; /* Light background to make the intro stand out */
}

.intro-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  gap: 40px;
}

.intro-text {
  flex: 1;
  text-align: left;
}

.intro-text h1 {
  font-size: 2.8em;
  color: #222831;
  font-family: "Kanit", sans-serif;
  margin-bottom: 20px;
}

.intro-text p {
  font-size: 1.2em;
  line-height: 1.8;
  color: #393e46;
  margin-bottom: 20px;
}

.intro-image {
  flex: 1;
  max-width: 400px;
  margin: 0 auto;
}

.intro-image img {
  width: 100%;
  height: auto;
  border-radius: 25px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Expertise Section */
#expertise {
  padding: 60px 20px;
  background-color: #f9f9f9; /* Subtle background to match other sections */
}

#expertise h2 {
  margin-bottom: 40px;
  font-size: 2.2em;
  color: #222831;
  font-family: "Kanit", sans-serif;
  text-align: center;
}

#expertise ul {
  display: grid;
  grid-template-columns: repeat(
    auto-fit,
    minmax(280px, 1fr)
  ); /* Flexible grid */
  gap: 30px;
  padding: 0;
  list-style-type: none;
  margin: 0 auto;
  max-width: 1200px;
}

#expertise li {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 16px; /* More rounded corners for a modern look */
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  text-align: center;
  border: 1px solid #e0e0e0; /* Light border to define the cards */
}

#expertise li:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1); /* Subtle shadow only on hover */
}

#expertise h3 {
  font-size: 1.6em;
  color: #222831;
  font-family: "Kanit", sans-serif;
  margin-bottom: 15px;
}

#expertise p {
  font-size: 1.1em;
  color: #393e46;
  line-height: 1.6;
  max-width: 250px;
  margin: 0 auto;
}

/* Services Section */
#services {
  text-align: center;
  padding: 60px 20px;
}

#services h2 {
  margin-bottom: 40px;
  font-size: 2.2em;
  color: #222831;
  font-family: "Kanit", sans-serif;
  text-align: center;
}

#services ul {
  list-style-type: none;
  padding: 0;
  max-width: 900px;
  margin: 0 auto;
}

#services ul li {
  font-size: 1.2em;
  line-height: 1.8;
  margin-bottom: 15px;
  text-align: left;
  padding-left: 30px;
  position: relative;
}

#services ul li::before {
  /* content: "•"; Custom bullet point */
  color: #00adb5;
  font-size: 1.5em;
  position: absolute;
  left: 0;
  top: 0;
}

#services strong {
  font-weight: 600;
  color: #222831;
}

/* Call to Action Section */
#cta {
  background-color: #00adb5;
  color: white;
  padding: 30px;
  text-align: center;
  border-radius: 12px;
  max-width: 900px;
  margin: 60px auto;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1); /* Slight shadow for depth */
}

#cta p {
  font-size: 1.2em;
  line-height: 1.8;
  margin-bottom: 30px;
}

#cta h2 {
  font-size: 2.2em;
  font-family: "Kanit", sans-serif;
  text-align: center;
}

#cta a {
  background-color: #ff5722;
  color: white;
  padding: 10px 25px;
  margin-top: 15px;
  font-size: 1.3em;
  border-radius: 8px;
  text-decoration: none;
  display: inline-block;
  transition: background-color 0.3s ease;
}

#cta a:hover {
  background-color: #e64a19;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .intro-content {
    flex-direction: column;
  }

  .intro-text {
    text-align: center;
  }

  .intro-image {
    max-width: 80%;
    margin: 20px auto;
  }

  #expertise ul {
    grid-template-columns: 1fr; /* Single column on smaller screens */
  }

  #expertise li {
    padding: 20px;
  }

  #expertise h3 {
    font-size: 1.5em;
  }

  #expertise p {
    font-size: 1.1em;
  }

  #cta a {
    width: 100%; /* Full width button on mobile */
    padding: 12px 0;
  }
}