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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: #2c3e50;
  background: #f8f9fa;
}

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

header {
  background: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 0;
}

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

.logo-area img {
  height: 42px;
}

.logo-area span {
  font-size: 20px;
  font-weight: 600;
  color: #1a73e8;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 35px;
}

nav a {
  text-decoration: none;
  color: #5f6368;
  font-size: 15px;
  transition: color 0.2s;
}

nav a:hover {
  color: #1a73e8;
}

.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  padding: 80px 0;
  text-align: center;
}

.hero h1 {
  font-size: 48px;
  margin-bottom: 20px;
  font-weight: 700;
}

.hero p {
  font-size: 20px;
  margin-bottom: 35px;
  opacity: 0.95;
}

.btn {
  display: inline-block;
  padding: 14px 32px;
  background: #fff;
  color: #667eea;
  text-decoration: none;
  border-radius: 6px;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}

.btn-primary {
  background: #1a73e8;
  color: #fff;
}

.section {
  padding: 70px 0;
}

.section-title {
  text-align: center;
  font-size: 36px;
  margin-bottom: 50px;
  color: #1a1a1a;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.card {
  background: #fff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.card h3 {
  font-size: 22px;
  margin-bottom: 15px;
  color: #1a73e8;
}

.card img {
  width: 100%;
  border-radius: 6px;
  margin-bottom: 15px;
}

footer {
  background: #2c3e50;
  color: #ecf0f1;
  padding: 40px 0 20px;
  margin-top: 60px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-bottom: 30px;
}

.footer-section h4 {
  margin-bottom: 15px;
  font-size: 18px;
}

.footer-section ul {
  list-style: none;
}

.footer-section a {
  color: #bdc3c7;
  text-decoration: none;
  line-height: 2;
}

.footer-section a:hover {
  color: #fff;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #34495e;
  color: #95a5a6;
}

@media (max-width: 768px) {
  nav ul {
    gap: 20px;
    font-size: 14px;
  }

  .hero h1 {
    font-size: 32px;
  }

  .hero p {
    font-size: 16px;
  }
}