/* General Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body {
  background-color: #f5f5f5;
  color: #333;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.section {
  padding: 15px 0;
}

.hidden {
  display: none;
}

/* Header */
.site-header {
  background: linear-gradient(135deg, #2c3e50, #3498db);
  color: white;
  padding: 30px 0;
  text-align: center;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.site-header h1 {
  font-size: 2.5rem;
  margin: 0;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

/* Calculator Form */
.calculator-form {
  background: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
  margin: 0 auto 30px; /* Centered and spaced below */
  max-width: 1200px; /* Matches content sections */
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.calculator-form:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
}

.input-group {
  margin-bottom: 20px;
}

.input-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
  color: #2c3e50;
}

.input-group input,
.input-group select {
  width: 100%;
  padding: 15px;
  border: 2px solid #ddd;
  border-radius: 10px;
  font-size: 1rem;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.input-group input:focus,
.input-group select:focus {
  border-color: #3498db;
  box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.3);
}

button {
  width: 100%;
  padding: 15px;
  background: linear-gradient(135deg, #3498db, #2c3e50);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 1.2rem;
  cursor: pointer;
  transition: transform 0.3s ease, background 0.3s ease;
  margin-top: 20px;
}

button:hover {
  transform: scale(1.05);
  background: linear-gradient(135deg, #2c3e50, #3498db);
}

/* Centered Results + Graph Container */
.centered-container {
  max-width: 1200px; /* Centered and matches content width */
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr; /* Left: Results (2/3), Right: Graph (1/3) */
  gap: 30px;
  padding: 20px 0;
}

.results-breakdown {
  grid-column: 1 / 2;
}

.graph-box {
  grid-column: 2 / 3;
  padding: 20px;
  background: white;
  border-radius: 15px;
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

/* Results and Breakdown Boxes */
.results-box,
.breakdown-box {
  background: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;

}

.results-box:hover,
.breakdown-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
}

.breakdown-steps ol {
  list-style: decimal;
  padding-left: 20px;
}

/* Content Sections */
.content-box {
  background: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
  margin-bottom: 30px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.content-box:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
}
#formulaSteps {
  list-style: decimal;
  padding-left: 20px;
  margin-top: 15px;
}

#formulaSteps ul {
  list-style: lower-alpha;
  padding-left: 20px;
  margin-top: 10px;
}

/* Footer */
/* Footer */
.site-footer {
  background: #2c3e50;
  color: white;
  padding: 20px 0;
  text-align: center;
}

.footer-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap; /* Allows wrapping on small screens */
  justify-content: center;
  gap: 20px;
  padding: 10px 0;
}

.footer-nav a {
  color: white;
  text-decoration: none;
  font-size: 0.9rem;
  padding: 8px 12px;
  transition: color 0.3s ease;
}

.footer-nav a:hover {
  color: #3498db;
}

/* Mobile Adjustments */
@media (max-width: 768px) {
  .footer-nav ul {
    flex-direction: column;
    align-items: center;
    gap: 10px;
  }

  .footer-nav a {
    font-size: 0.8rem;
    padding: 6px 10px;
  }
}

.disclaimer {
  font-size: 0.8rem;
  margin-bottom: 10px;
}

.copyright {
  font-size: 0.8rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  .centered-container {
    grid-template-columns: 1fr; /* Stack vertically on mobile */
  }

  .results-breakdown,
  .graph-box {
    grid-column: 1 / -1; /* Full width on mobile */
  }

}
/* Section-Specific Styles */
h2 {
  color: #2c3e50;
  margin-bottom: 20px;
}

h3 {
  color: #3498db;
  margin-bottom: 15px;
}

.keywords {
  margin-top: 15px;
  font-size: 0.9rem;
  color: #666;
}

.help-list, .advantages-list {
  list-style: none;
  padding-left: 20px;
  margin-bottom: 20px;
}

.help-list li, .advantages-list li {
  margin-bottom: 10px;
  line-height: 1.6;
}

.help-list li:before {
  content: " ";
  display: inline-block;
  width: 12px;
  height: 12px;
  background: #3498db;
  border-radius: 50%;
  margin-right: 10px;
}

.advantages-list li {
  margin-bottom: 10px;
  line-height: 1.6;
}

.advantages-list li:before {
  content: " ";
  display: inline-block;
  width: 12px;
  height: 12px;
  background: #2ecc71;
  border-radius: 50%;
  margin-right: 10px;
}

.formula {
  background: #f9f9f9;
  padding: 15px;
  border-radius: 8px;
  margin: 20px 0;
  font-family: 'Courier New', Courier, monospace;
  color: #2c3e50;
  text-align: center;
}

/* FAQ Styling */
details {
  margin-bottom: 15px;
  background: #f9f9f9;
  padding: 15px;
  border-radius: 8px;
}

summary {
  font-weight: bold;
  cursor: pointer;
  color: #3498db;
  transition: color 0.3s ease;
}

summary:hover {
  color: #2ecc71;
}

details p {
  margin-top: 10px;
  padding-left: 20px;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .content-box {
    padding: 20px;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.2rem;
  }

  .help-list, .advantages-list {
    padding-left: 15px;
  }

  details {
    padding: 10px;
  }
}