body {
  background: #0e0e0e;
  color: #fff;
  margin: 0;
  font-family: 'Inter', sans-serif;
}
.navbar {
  background: #111;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 1.5rem;
}
.hero {
  background: #111;
  padding: 6rem 2rem;
  text-align: center;
}
.main-title {
  color: white;
}
.subtitle {
  font-size: 1.2rem;
}
.btn, .btn-outline {
  margin-top: 1rem;
  padding: 0.75rem 1.5rem;
  font-weight: bold;
  text-decoration: none;
  border-radius: 5px;
}
.btn {
  background: #00ff88;
  color: black;
}
.btn-outline {
  border: 2px solid #00ff88;
  color: #00ff88;
  background: transparent;
}
.section {
  padding: 4rem 2rem;
  text-align: center;
}
.section.gray {
  background: #1a1a1a;
}
.footer-content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  padding: 2rem;
  background: #111;
}
.footer-bottom {
  text-align: center;
  background: #111;
  padding-bottom: 1rem;
  font-size: 0.9rem;
}
.cert-logos {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}
.cert-logos img {
  width: 100px;
  height: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
}

.image-gallery img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16/9;
  border-radius: 10px;
}
.image-gallery.portrait img {
  aspect-ratio: 3/4;
}
.image-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.hero {
  position: relative;
  height: 80vh;
  overflow: hidden;
}
.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
}
.hero-text {
  position: relative;
  z-index: 1;
}