/* Cisco Branding Colors */
:root {
  --cisco-blue: #02C8FF;
  --medium-blue: #0A60FF;
  --midnight-blue: #07182D;
  --white: #FFFFFF;
  --magenta: #FF007F;
  --orange: #FF9000;
  --light-gray: #f8f9fa;
  --medium-gray: #e9ecef;
  --dark-gray: #343a40;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--light-gray);
  color: var(--midnight-blue);
  padding-top: 70px;
  /* Account for fixed navbar */
}

.navbar-default {
  background-color: var(--midnight-blue);
  border-bottom: 1px solid var(--cisco-blue);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-default .navbar-brand {
  color: var(--cisco-blue);
  font-weight: bold;
}

.navbar-default .navbar-nav>li>a {
  color: var(--white);
  font-weight: 500;
}

.navbar-default .navbar-nav>li>a:hover,
.navbar-default .navbar-nav>li>a:focus {
  color: var(--cisco-blue);
}

main>.container {
  padding-top: 30px;
  padding-bottom: 30px;
}

.col-md-3 {
  /* Style for each content column to look like a card */
  background-color: var(--white);
  padding: 25px;
  margin-bottom: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
  border-top: 4px solid var(--medium-blue);
}

.col-md-3:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1), 0 4px 8px rgba(0, 0, 0, 0.08);
  border-top-color: var(--cisco-blue);
}

.page-header {
  /* General styling for all headers */
  border-bottom: 2px solid var(--cisco-blue);
  padding-bottom: 10px;
  margin-top: 0;
  margin-bottom: 25px;
  font-size: 22px;
  font-weight: 600;
  color: var(--midnight-blue);
}

.list-group-item {
  border-color: var(--medium-gray);
  border-radius: 4px !important;
  /* Override Bootstrap's default for consistency */
  margin-bottom: 8px;
  font-size: 15px;
  transition: all 0.2s ease-in-out;
  color: var(--midnight-blue);
}

.list-group-item:last-child {
  margin-bottom: 0;
}

.list-group-item:hover {
  background-color: var(--light-gray);
  color: var(--medium-blue);
  transform: translateX(5px);
  border-left: 3px solid var(--cisco-blue);
}

/* Alternate list item styling for visual interest */
.list-group-item:nth-child(odd):hover {
  border-left-color: var(--magenta);
}

.list-group-item:nth-child(even):hover {
  border-left-color: var(--orange);
}

.btn-primary {
  background: linear-gradient(135deg, var(--medium-blue), var(--cisco-blue));
  border: none;
  padding: 12px 24px;
  font-size: 16px;
  font-weight: 500;
  border-radius: 5px;
  transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.btn-primary:hover,
.btn-primary:focus {
  background: linear-gradient(135deg, var(--cisco-blue), var(--medium-blue));
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(10, 96, 255, 0.3);
}

/* Documentation section styling */
.docs-section {
  background: linear-gradient(170deg, var(--midnight-blue), var(--dark-gray));
  color: var(--white);
  padding: 40px 0;
  margin-top: 30px;
  border-radius: 8px;
}

.docs-section h2 {
  color: var(--cisco-blue);
  margin-bottom: 20px;
}

.docs-section .list-group-item {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.docs-section .list-group-item:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--cisco-blue);
}

/* Feature highlights */
.feature-item {
  padding: 15px;
  margin-bottom: 20px;
  border-radius: 8px;
  background-color: var(--white);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  border-left: 4px solid var(--cisco-blue);
  transition: transform 0.2s ease;
}

.feature-item:hover {
  transform: translateX(5px);
}

.feature-item h3 {
  color: var(--midnight-blue);
  font-size: 18px;
  margin-top: 0;
}

/* API Documentation specific */
.api-docs {
  border-top: 4px solid var(--magenta);
}

/* Sample Apps specific */
.sample-apps {
  border-top: 4px solid var(--orange);
}

/* Labs specific */
.labs {
  border-top: 4px solid var(--cisco-blue);
}

footer {
  margin-top: 40px;
  padding: 30px 0;
  background-color: var(--midnight-blue);
  color: var(--white);
  text-align: center;
  border-top: 5px solid var(--cisco-blue);
}

footer .copyright {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
}

/* Link styling */
a {
  color: var(--medium-blue);
  transition: color 0.2s ease;
}

a:hover, a:focus {
  color: var(--cisco-blue);
  text-decoration: none;
}

/* Contribution section - as requested, not a separate section but styled nicely */
.contribution-section {
  margin-top: 30px;
  padding: 20px;
  background-color: var(--white);
  border-radius: 8px;
  border-left: 4px solid var(--orange);
}

.contribution-section h3 {
  color: var(--midnight-blue);
  margin-top: 0;
}

/* Mobile responsiveness tweaks */
@media (max-width: 768px) {
  .col-md-3 {
    margin-bottom: 15px;
  }
  
  .docs-section {
    padding: 20px 0;
  }
}