:root {
  --primary: #000000;
  --secondary: #111111;
  --accent: #7efe03;
  --light: #f8f9fa;
  --dark: #212529;
}

/* Base Styles */
* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
  font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Oxygen, Ubuntu, Cantarell, sans-serif;
}

html, body {
  height: 100%;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  color: var(--dark);
  line-height: 1.6;
}

/* Layout fix */
body {
  display: flex;
  flex-direction: column;
}

main {
  flex: 1; /* pushes footer down */
}

/* Navigation */
.navbar {
  background-color: var(--primary) !important;
  border-bottom: 2px solid var(--accent);
  transition: all 0.3s ease;
  padding: 0.8rem 1rem;
}

/* About Section */
#about {
  padding: 3rem 0;
}

#about img {
  aspect-ratio: 4 / 4; /* slightly wider than tall */
  object-fit:fill;
  border-radius: 12px; /* optional: smoother corners */
}

iframe{
    margin-top: 30px;
}

.VinFast{
    margin-top: -15px;
}


/* Footer */
footer {
  background-color: #000;
  color: #fff;
  padding: 1.5rem 0;
  text-align: center;
  margin-top: auto; /* ensures footer stays at bottom */
}

footer p {
  margin: 0.25rem 0;
}

/* Responsive */
@media (max-width: 576px) {
  #about {
    padding: 2rem 0;
  }

  h2 {
    font-size: 1.5rem;
  }

  p.lead {
    font-size: 1rem;
  }
  iframe{
    width: 100%;
  }
}