* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.logo {
  width: 720px;
  height: auto;
  margin-bottom: 20px;
}

body {
  font-family: Arial, sans-serif;
  background-color: #f3f4f6;
  color: #333;
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 20px 0;
}

nav ul li {
  display: inline;
  margin: 0 15px;
}

nav ul li a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  font-size: 3rem;
}

.container {
  flex: 1;
  width: 90%;
  max-width: 1200px;
  margin: auto;
  padding: 20px;
}

.hero {
  background-color: #4a90e2;
  color: #fff;
  text-align: center;
  padding: 50px 20px;
  margin-bottom: 30px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.hero h1 {
  font-size: 2.5em;
  margin-bottom: 10px;
}

.hero p {
  font-size: 1.1em;
  opacity: 0.9;
}

.tool-description {
  background-color: #fff;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
}

.tool-description p {
  font-size: 1em;
  margin-bottom: 10px;
}

textarea {
  width: 100%;
  margin-bottom: 15px;
  padding: 10px;
  font-size: 1em;
  border: 1px solid #ccc;
  border-radius: 4px;
}

button {
  width: 100%;
  display: inline-block;
  background-color: #4a90e2;
  color: #fff;
  padding: 10px 20px;
  border: none;
  border-radius: 4px;
  font-size: 1em;
  margin-top: 10px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #357ab8;
}

#result {
  margin-top: 15px;
  font-weight: bold;
  color: #4a90e2;
  word-wrap: break-word;
  overflow-wrap: break-word;
  padding: 10px;
  border-radius: 4px;
}

footer {
  text-align: center;
  padding: 15px 20px;
  background-color: #333;
  color: #fff;
  margin-top: 40px;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
  position: relative;
  width: 100%;
  bottom: 0;
}

footer p {
  font-size: 0.9em;
}

.custom-list {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

.custom-list-item {
  background-color: #f3f4f6;
  border-left: 4px solid #4a90e2;
  padding: 10px 15px;
  margin: 5px 0;
  font-size: 1.1em;
  color: #333;
  transition: background-color 0.3s ease, border-left-color 0.3s ease;
}

.custom-list-item:hover {
  background-color: #e1e8f0;
  border-left-color: #357ab8;
}

.custom-list-item::before {
  content: "✓ ";
  color: #4a90e2;
  font-weight: bold;
}

/* Mobile View */
@media screen and (max-width: 768px) {
  .tool-description p {
    font-size: 0.95em;
  }

  button {
    font-size: 0.9em;
  }

  footer p {
    font-size: 0.8em;
  }
  
    .logo {
  width: 320px;
}

nav ul li a {
  font-size: 1.6rem;
}
}