/* General Reset and Base Styles */
* {
  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;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

/* Navigation */
nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

nav ul li {
  margin: 0 15px;
}

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

/* Hero Section */
.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: 1.2em;
}

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

.input-group {
  margin-bottom: 15px;
}

label {
  display: block;
  margin-bottom: 5px;
  font-weight: bold;
}

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

button {
  background-color: #4a90e2;
  color: #fff;
  padding: 10px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  width: 100%;
}

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

#expense-list {
  margin-top: 15px;
  list-style: none;
  padding: 0;
}

#expense-list li {
  margin-bottom: 8px;
  background-color: #f7f7f7;
  padding: 10px;
  border-radius: 4px;
}

h3 {
  margin-top: 20px;
  font-size: 1.2em;
}

/* Styled for Lun Dev Design */
.tool-description {
  background-color: #ffffff;
  padding: 20px 30px;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  margin-bottom: 30px;
  line-height: 1.8;
  font-family: 'Arial', sans-serif;
}

.tool-description h2 {
  font-size: 1.8em;
  color: #4a90e2;
  margin-bottom: 15px;
  text-align: center;
  font-weight: bold;
}

.tool-description p {
  font-size: 1em;
  color: #333;
  margin-bottom: 15px;
  text-align: justify;
}

.tool-description p strong {
  color: #4a90e2;
  font-weight: bold;
}

.tool-description p:last-child {
  font-size: 1.1em;
  font-weight: bold;
  color: #4a90e2;
  text-align: center;
}

/* Footer */
footer {
  text-align: center;
  padding: 15px;
  background-color: #333;
  color: #fff;
  margin-top: 20px;
}

footer p {
  font-size: 0.9em;
}

/* Mobile View */
@media (max-width: 768px) {
  .tool-description {
    padding: 15px;
  }

  button {
    font-size: 0.9em;
  }
  
    .logo {
  width: 320px;
}

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