body {
  font-family: 'Inter', sans-serif;
  background: linear-gradient(to bottom right, #fff0f5, #ffe6f0);
  color: #333;
  margin: 0;
  padding: 0;
}

header {
  background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  padding: 20px;
}

.container {
  max-width: 1100px;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  height: 44px;
  width: 44px;
  border-radius: 50%;
  object-fit: cover;
}

.logo-text {
  font-family: 'Poppins', sans-serif;
  font-size: 36px;
  font-weight: 800;
  color: #f25ca2;
  transform: translateY(-4px);
  text-decoration: none;
  line-height: 44px;
  letter-spacing: -0.5px;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 24px;
}

nav a {
  color: #f25ca2;
  text-decoration: none;
  font-weight: 600;
  position: relative;
  transition: color 0.3s ease;
}

nav a::after {
  content: '';
  width: 0%;
  height: 2px;
  background: #f25ca2;
  position: absolute;
  bottom: -4px;
  left: 0;
  transition: width 0.3s ease;
}

nav a:hover::after {
  width: 100%;
}

.opportunities {
  padding: 60px 20px;
  max-width: 1000px;
  margin: auto;
}

.opportunities h2 {
  text-align: center;
  font-size: 40px;
  font-weight: 800;
  color: #f25ca2;
  margin-bottom: 20px;
}

.opportunities p {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 30px;
  font-size: 16px;
  color: #666;
}

#filter {
  margin: 0 auto 40px;
  display: block;
  padding: 12px;
  border-radius: 8px;
  font-size: 16px;
  width: 100%;
  max-width: 400px;
  border: 1px solid #ccc;
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.board-instructions {
  background: #ffe4f0;
  border-left: 4px solid #f25ca2;
  padding: 20px;
  border-radius: 10px;
  max-width: 850px;
  margin: 0 auto 40px;
  font-size: 16px;
  line-height: 1.6;
  color: #333;
}

.board-instructions ul {
  padding-left: 20px;
  margin: 0;
}

.board-instructions li {
  margin-bottom: 10px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.opportunity-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 6px 14px rgba(0,0,0,0.05);
  transition: all 0.3s ease;
}

.opportunity-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 18px rgba(0,0,0,0.08);
}

.opportunity-title {
  font-size: 18px;
  font-weight: 600;
  color: #f25ca2;
}

.opportunity-meta {
  font-size: 14px;
  color: #555;
  margin-top: 6px;
}

.opportunity-description {
  display: none;
  margin-top: 10px;
  font-size: 14px;
  color: #444;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #fcd3e5;
  border-top: 4px solid #f25ca2;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 40px auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

footer {
  background: #f25ca2;
  color: white;
  text-align: center;
  padding: 20px;
  margin-top: 60px;
}