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

html, body {
  height: 100%;
  font-family: 'Helvetica Neue', Arial, sans-serif;
  color: #fff;
}

body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: url('images/bg.jpg') no-repeat center center / cover fixed;
  min-height: 100vh;
  padding: 1.5rem;
}

/* subtle overlay for text readability */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: rgba(30, 45, 65, 0.35);
  z-index: 0;
}

.content {
  position: relative;
  z-index: 1;
}

.subheading {
  font-size: clamp(0.8rem, 1.6vw, 1rem);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 1.8rem;
  font-weight: 500;
}

.tagline {
  font-size: clamp(0.6rem, 1.3vw, 0.85rem);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 2.5rem;
  font-weight: 700;
  opacity: 0.9;
}

.title {
  font-size: clamp(2.8rem, 8vw, 6rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.1;
}

.tm {
  font-size: 0.35em;
  vertical-align: super;
  font-weight: 400;
}

.footer {
  position: fixed;
  bottom: 1rem;
  z-index: 1;
  font-size: 0.75rem;
  opacity: 0.7;
  letter-spacing: 0.05em;
}