/* Columbia Brand Colors */
:root {
  --columbia-blue: #002E6D;
  --columbia-light-blue: #6CACE4;
  --columbia-gray: #63666A;
  --white: #FFFFFF;
  --accent-red: #EE1848;
  --text-dark: #1A1A1A;
  --text-light: #666666;
  --shadow: 0 2px 8px rgba(0,0,0,0.1);
  --shadow-hover: 0 4px 16px rgba(0,0,0,0.15);
  --transition: all 0.3s ease;
}

.africa-bg {
  position: absolute;
  top: 50%;
  right: 5%;
  transform: translateY(-50%);
  width: 300px;
  height: 300px;
  opacity: 0.1;
  background-image: url('/assets/images/africa.svg');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  pointer-events: none;
}

/* Make it smaller on mobile */
@media (max-width: 768px) {
  .africa-bg {
    width: 200px;
    height: 200px;
    opacity: 0.05;
    right: -50px;
  }
}

/* Hero with Africa silhouette */
.hero-compact {
  background: linear-gradient(135deg, var(--columbia-blue) 0%, var(--columbia-light-blue) 100%);
  padding: 3rem 0;
  position: relative;
  overflow: hidden;
}

.hero-compact h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
  color: var(--white);
}

.hero-compact .hero-subtitle {
  position: relative;
  z-index: 1;
  color: var(--white);
  opacity: 0.9;
}

/* Base Styles */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--text-dark);
  background-color: var(--white);
  margin: 0;
  padding: 0;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrapper, .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-top: 0;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }
}

/* Header Styles */
.site-header {
  background-color: var(--white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.site-identity {
  flex-shrink: 0;
}

.site-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 1rem;
}

.logo-icon {
  height: 48px;
  width: auto;
}

.site-name {
  display: flex;
  flex-direction: column;
}

.site-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--columbia-blue);
  line-height: 1.2;
}

.site-tagline {
  font-size: 0.875rem;
  color: var(--text-light);
}

/* Desktop Navigation */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: var(--transition);
  padding: 0.5rem 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--columbia-blue);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--columbia-blue);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

/* Dropdown Menu */
.dropdown {
  position: relative;
}

.dropdown-arrow {
  margin-left: 0.25rem;
  transition: transform 0.3s ease;
}

.dropdown.open .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--white);
  box-shadow: var(--shadow-hover);
  border-radius: 8px;
  padding: 0.5rem 0;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--transition);
}

.dropdown:hover .dropdown-menu,
.dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-link {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--text-dark);
  text-decoration: none;
  transition: var(--transition);
}

.dropdown-link:hover {
  background-color: #f5f5f5;
  color: var(--columbia-blue);
}

/* CTA Button */
.nav-cta {
  background-color: var(--accent-red);
  color: var(--white);
  padding: 0.5rem 1.5rem;
  border-radius: 25px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.nav-cta:hover {
  background-color: #d01040;
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

/* Mobile Navigation */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-dark);
  margin: 5px 0;
  transition: var(--transition);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--white);
  padding: 2rem;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.mobile-nav[aria-hidden="false"] {
  transform: translateX(0);
}

.mobile-nav-link,
.mobile-nav-sublink {
  display: block;
  padding: 1rem 0;
  color: var(--text-dark);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid #eee;
}

.mobile-nav-sublink {
  padding-left: 2rem;
  font-weight: 400;
}

.mobile-nav-link.active {
  color: var(--columbia-blue);
}

.mobile-nav-cta {
  display: block;
  background-color: var(--accent-red);
  color: var(--white);
  padding: 1rem;
  text-align: center;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  margin-top: 2rem;
}

/* Mobile Menu States */
body.mobile-menu-open {
  overflow: hidden;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--columbia-blue) 0%, var(--columbia-light-blue) 100%);
  color: var(--white);
  padding: 5rem 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0.1;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  margin-bottom: 1.5rem;
  font-size: 3rem;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--white);
  color: var(--columbia-blue);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-secondary {
  background-color: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn-secondary:hover {
  background-color: var(--white);
  color: var(--columbia-blue);
}

/* Content Sections */
.section {
  padding: 4rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  color: var(--columbia-blue);
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.card {
  background: var(--white);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
}

.card h3 {
  color: var(--columbia-blue);
  margin-bottom: 1rem;
}

/* Stats Section */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin: 3rem 0;
}

.stat-card {
  text-align: center;
  padding: 2rem;
  background: var(--columbia-light-blue);
  color: var(--white);
  border-radius: 12px;
  transition: var(--transition);
}

.stat-card:hover {
  transform: scale(1.05);
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 1.1rem;
  opacity: 0.9;
}

/* Footer */
.site-footer {
  background-color: var(--columbia-blue);
  color: var(--white);
  padding: 3rem 0 1rem;
  margin-top: 4rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  color: var(--white);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links a {
  color: var(--white);
  text-decoration: none;
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.footer-links a:hover {
  opacity: 1;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.2);
  opacity: 0.8;
}

/* Social links in footer */
.social-links {
  display: flex;
  gap: 1rem;
}

.social-links a {
  color: var(--white);
  opacity: 0.8;
  transition: opacity 0.3s ease;
}

.social-links a:hover {
  opacity: 1;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.newsletter-form input:focus {
  outline: 2px solid var(--accent-red);
  outline-offset: 2px;
}

.newsletter-form button:hover {
  background: #d01040;
}

/* Responsive */
@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .mobile-nav {
    display: block;
  }
  
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .site-title {
    font-size: 1rem;
  }
  
  .site-tagline {
    font-size: 0.75rem;
  }
}

/* Small hero for inner pages */
.hero-small {
  padding: 3rem 0;
  background: linear-gradient(135deg, var(--columbia-blue) 0%, var(--columbia-light-blue) 100%);
}

.hero-small h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

/* Blog Post Styles */
.post {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

.post-header {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid #eee;
}

.post-title {
  color: var(--columbia-blue);
  margin-bottom: 1rem;
}

.post-meta {
  color: var(--text-light);
  font-size: 0.95rem;
}

.post-content {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-dark);
}

.post-content h2,
.post-content h3 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--columbia-blue);
}

.post-content p {
  margin-bottom: 1.5rem;
}

.post-content ul,
.post-content ol {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
}

.post-content li {
  margin-bottom: 0.5rem;
  line-height: 1.8;
}

.post-content strong {
  font-weight: 600;
  color: var(--columbia-blue);
}

/* Page content for general pages */
.page-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Contribution Form Styles */
.contribute-page {
  max-width: 700px;
  margin: 0 auto;
  padding: 2rem 0;
}

.contribute-page h1 {
  font-size: 2rem;
  color: var(--columbia-blue);
  margin-bottom: 1rem;
}

.contribute-page > p {
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 2rem;
}

.contribute-form {
  background: #f8f9fa;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--columbia-blue);
  font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
  background: white;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--columbia-blue);
  box-shadow: 0 0 0 3px rgba(108, 172, 228, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 150px;
}

/* Style the submit button */
.contribute-form .btn-primary {
  background-color: var(--columbia-blue);
  color: white;
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 30px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  margin-top: 1rem;
}

.contribute-form .btn-primary:hover {
  background-color: var(--columbia-light-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

/* Note section */
.contribute-note {
  margin-top: 3rem;
  padding: 1.5rem;
  background: white;
  border-left: 4px solid var(--columbia-blue);
  border-radius: 4px;
}

.contribute-note h3 {
  color: var(--columbia-blue);
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.contribute-note ul {
  margin: 0;
  padding-left: 1.5rem;
  color: var(--text-light);
}

.contribute-note li {
  margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
  .contribute-form {
    padding: 1.5rem;
  }
  
  .contribute-page h1 {
    font-size: 1.75rem;
  }
}

/* Gitter chat container */
.chat-widget {
  margin: 2rem auto;
  max-width: 800px;
  height: 600px;      /* give it more vertical space */
  border: 1px solid #ddd;
  border-radius: 8px;
  overflow: hidden;
}