:root {
  --primary-color: #2c3e50;
  --secondary-color: #3498db;
  --accent-color: #e74c3c;
  --light-color: #ecf0f1;
  --dark-color: #2c3e50;
  --success-color: #2ecc71;
  --warning-color: #f39c12;
  --text-color: #333;
  --border-radius: 8px;
  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Roboto', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background-color: #f8f9fa;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

header {
  background-color: var(--primary-color);
  color: white;
  padding: 20px 0;
  margin-bottom: 30px;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-title h1 {
  font-size: 2.2rem;
  margin-bottom: 5px;
}

.header-title p {
  font-size: 1.1rem;
  opacity: 0.8;
}

.controls {
  background-color: white;
  padding: 20px;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  margin-bottom: 30px;
}

.controls-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 15px;
}

.search-box {
  flex-grow: 1;
}

.search-box input {
  width: 100%;
  padding: 10px 15px;
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  font-size: 1rem;
}

.filter-group {
  display: flex;
  gap: 15px;
}

select {
  padding: 10px 15px;
  border: 1px solid #ddd;
  border-radius: var(--border-radius);
  background-color: white;
  font-size: 1rem;
  min-width: 150px;
}

.sort-group {
  display: flex;
  gap: 15px;
}

.companies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 25px;
}

.company-card {
  background-color: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.company-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.company-header {
  display: flex;
  align-items: center;
  padding: 20px;
  background-color: var(--light-color);
}

.company-logo {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin-right: 15px;
  background-color: white;
  border-radius: 50%;
  padding: 5px;
}

.company-name {
  flex-grow: 1;
}

.company-name h2 {
  font-size: 1.5rem;
  margin-bottom: 5px;
  color: var(--primary-color);
}

.company-name .industry {
  display: inline-block;
  background-color: var(--secondary-color);
  color: white;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.8rem;
}

.company-body {
  padding: 20px;
}

.company-description {
  margin-bottom: 20px;
  line-height: 1.5;
}

.company-details {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  margin-bottom: 20px;
}

.detail-item {
  margin-bottom: 10px;
}

.detail-label {
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 3px;
  font-size: 0.9rem;
}

.detail-value {
  font-size: 0.95rem;
}

.funding-stage {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 20px;
  font-weight: bold;
  font-size: 0.9rem;
  margin-top: 5px;
}

.pre-seed {
  background-color: #e0f7fa;
  color: #006064;
}

.seed {
  background-color: #e8f5e9;
  color: #1b5e20;
}

.series-a {
  background-color: #fff3e0;
  color: #e65100;
}

.company-contact {
  background-color: #f8f9fa;
  padding: 15px;
  border-radius: var(--border-radius);
  margin-top: 15px;
}

.contact-title {
  font-weight: bold;
  margin-bottom: 10px;
  color: var(--primary-color);
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  background-color: var(--light-color);
  border-radius: 20px;
  text-decoration: none;
  color: var(--primary-color);
  font-size: 0.9rem;
  transition: var(--transition);
}

.contact-link:hover {
  background-color: var(--secondary-color);
  color: white;
}

.contact-link i {
  margin-right: 5px;
}

.ai-needs {
  margin-top: 20px;
  padding: 15px;
  background-color: #f1f8ff;
  border-left: 4px solid var(--secondary-color);
  border-radius: 4px;
}

.ai-needs h3 {
  color: var(--secondary-color);
  margin-bottom: 10px;
  font-size: 1.1rem;
}

.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 50px;
  background-color: white;
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
}

footer {
  margin-top: 50px;
  padding: 20px 0;
  background-color: var(--primary-color);
  color: white;
  text-align: center;
}

@media (max-width: 768px) {
  .controls-row {
    flex-direction: column;
  }
  
  .companies-grid {
    grid-template-columns: 1fr;
  }
  
  .company-details {
    grid-template-columns: 1fr;
  }
}