body {
  margin: 0;
  background: #f8f9fa;
  color: var(--dark-bg);
}

.hero {
  position: relative;
  padding: 160px 20px;
  background: linear-gradient(135deg, #0a192f, #112240);
  color: white;
  text-align: center;
  overflow: hidden;
}

.hero:before,
.hero:after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.25;
}
.hero:before {
  width: 380px;
  height: 380px;
  background: var(--primary);
  top: -80px;
  right: -120px;
}
.hero:after {
  width: 420px;
  height: 420px;
  background: #1f6feb;
  bottom: -120px;
  left: -100px;
}

.hero h1 {
  font-size: 64px;
  margin: 0;
  font-weight: bold;
}
.hero p {
  max-width: 650px;
  margin: 20px auto 0;
  font-size: 20px;
  color: var(--text-muted);
}

.cert-section {
  padding: 80px 20px;
  text-align: center;
  background: #ffffff;
}

.cert-section h2 {
  font-size: 44px;
  margin-bottom: 20px;
}

.cert-section p {
  max-width: 720px;
  margin: 0 auto 50px;
  color: #555;
}

.cert-grid {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 60px;
  flex-wrap: wrap;
}

.cert-card {
  background: white;
  padding: 30px 40px;
  border-radius: 18px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.06);
  transition: 0.3s ease;
}

.cert-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.1);
}

.cert-card img {
  height: 110px;
  object-fit: contain;
}

.extra-blocks {
  padding: 80px 20px;
  background: #f2f5f7;
}

.extra-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
}

.info-card {
  background: white;
  padding: 40px 30px;
  border-radius: 18px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.05);
  transition: 0.3s ease;
}

.info-card:hover {
  transform: translateY(-6px);
}

.info-card h3 {
  font-size: 24px;
  margin-bottom: 15px;
}

.info-card p {
  color: #666;
}