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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans",
    Helvetica, Arial, sans-serif;
  background-color: #0d1117;
  color: #e6edf3;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  background: rgba(13, 17, 23, 0.95);
  backdrop-filter: blur(8px);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  border-bottom: 1px solid #21262d;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
}

.nav_title {
  font-size: 20px;
  font-weight: 600;
  color: #e6edf3;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo {
  font-size: 20px;
  font-weight: 600;
  color: #e6edf3;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo::before {
  content: "🔬";
  font-size: 24px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 32px;
}

.nav-links a {
  color: #7d8590;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: #e6edf3;
}

/* Main Content */
main {
  margin-top: 80px;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 120px 0;
  background: linear-gradient(
    135deg,
    rgba(33, 38, 45, 0.1) 0%,
    rgba(13, 17, 23, 0.1) 100%
  );
}

.hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 24px;
  background: linear-gradient(135deg, #e6edf3 0%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 20px;
  color: #7d8590;
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-button {
  display: inline-block;
  background: linear-gradient(135deg, #7c3aed 0%, #3b82f6 100%);
  color: white;
  padding: 12px 32px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(124, 58, 237, 0.3);
}

/* Projects Section */
.projects {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 48px;
  color: #e6edf3;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.project-card {
  background: rgba(33, 38, 45, 0.3);
  border: 1px solid #21262d;
  border-radius: 12px;
  padding: 24px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: #7c3aed;
  box-shadow: 0 8px 32px rgba(124, 58, 237, 0.1);
}

.project-card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  color: #e6edf3;
}

.project-card p {
  color: #7d8590;
  margin-bottom: 16px;
}

.project-status {
  display: inline-block;
  background: rgba(124, 58, 237, 0.1);
  color: #7c3aed;
  padding: 4px 12px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 500;
}

/* Team Section */
.team {
  padding: 80px 0;
  background: rgba(33, 38, 45, 0.1);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.team-member {
  text-align: center;
  padding: 24px;
  background: rgba(33, 38, 45, 0.3);
  border: 1px solid #21262d;
  border-radius: 12px;
  transition: all 0.3s ease;
}

.team-member:hover {
  transform: translateY(-2px);
  border-color: #7c3aed;
}

.team-member img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, #7c3aed 0%, #3b82f6 100%);
  margin-bottom: 16px;
}

.team-member h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #e6edf3;
}

.team-member p {
  color: #7d8590;
  font-size: 14px;
}

/* Footer */
footer {
  background: rgba(13, 17, 23, 0.95);
  border-top: 1px solid #21262d;
  padding: 40px 0;
  text-align: center;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links {
  display: flex;
  list-style: none;
  gap: 24px;
}

.footer-links a {
  color: #7d8590;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: #e6edf3;
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero p {
    font-size: 18px;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .team-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.project-card {
  animation: fadeInUp 0.6s ease-out;
}

.project-card:nth-child(2) {
  animation-delay: 0.1s;
}

.project-card:nth-child(3) {
  animation-delay: 0.2s;
}

.project-card:nth-child(4) {
  animation-delay: 0.3s;
}

.project-card:nth-child(5) {
  animation-delay: 0.4s;
}

.project-card:nth-child(6) {
  animation-delay: 0.5s;
}