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

body {
  background: #000;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: sans-serif;
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: min(50vw, 800px);
}

.hero img {
  width: 100%;
  height: auto;
}

.tagline {
  margin-top: 36px;
  color: #fff;
  font-size: clamp(22px, 3.5vw, 42px);
  font-family: 'Roboto Mono', monospace;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  height: 1.4em;
  white-space: nowrap;
  text-shadow:
    0 0 7px rgba(255, 255, 255, 0.7),
    0 0 20px rgba(255, 255, 255, 0.4),
    0 0 40px rgba(255, 255, 255, 0.2),
    0 0 80px rgba(255, 255, 255, 0.1);
}

.tagline .cursor {
  animation: blink 0.7s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

.nav-email {
  position: fixed;
  top: 20px;
  right: 30px;
  color: #777;
  font-size: 14px;
  cursor: pointer;
  z-index: 100;
  font-family: monospace;
  transition: color 0.2s;
}

.nav-email:hover {
  color: #fff;
}

.copy-toast {
  position: fixed;
  top: 45px;
  right: 30px;
  background: #000;
  color: #fff;
  padding: 8px 16px;
  border: 1px solid #fff;
  border-radius: 4px;
  font-size: 13px;
  font-family: monospace;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s;
  z-index: 101;
}

.copy-toast.show {
  opacity: 1;
}