/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  background: #f9f9fb;
  color: #333;
  line-height: 1.6;
}

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

/* Header */
.header {
  background: #ffffff;
  padding: 1rem 0;
  border-bottom: 1px solid #eee;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  font-weight: 700;
  font-size: 1.5rem;
  color: #2563eb;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo-icon {
  width: 32px;
  height: 32px;
}

.nav {
  display: flex;
  gap: 2rem;
}

.nav a {
  text-decoration: none;
  color: #555;
  font-weight: 500;
  transition: color 0.3s;
}

.nav a:hover {
  color: #2563eb;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero */
.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 4rem 0;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero h1 {
  font-size: 2.8rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.btn-primary {
  background: #3b82f6;
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.3s;
}

.btn-primary:hover {
  background: #2563eb;
}

.hero-image img {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  margin: 0 auto;
  display: block;
}

/* Sections */
.section-title {
  font-size: 1.8rem;
  text-align: center;
  margin: 3rem 0 2rem;
  color: #1f2937;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.card, .project-card, .team-card {
  background: white;
  padding: 1.5rem;
  border-radius: 8px;
  text-align: center;
  transition: transform 0.3s;
}

.card:hover, .project-card:hover, .team-card:hover {
  transform: translateY(-5px);
}

.card-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 1rem;
  display: block;
  margin: 0 auto;
}

.project-img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.team-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 1rem;
  display: block;
}

.news-img {
  width: 100%;
  height: 100px;
  object-fit: cover;
  border-radius: 6px;
  margin-bottom: 1rem;
}

/* Team */
.team {
  background: #f1f5f9;
  padding: 4rem 0;
}

/* News */
.news {
  padding: 4rem 0;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

/* Footer */
.footer {
  background: #1f2937;
  color: #9ca3af;
  text-align: center;
  padding: 2rem 0;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: white;
    flex-direction: column;
    padding: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  }

  .nav.active {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  .hero .container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-image img {
    width: 200px;
    height: 200px;
  }
}