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

body {
  font-family: 'DM Mono', monospace;
  font-weight: 300;
  color: #111;
  background: #fefefe;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6vh 10vw;
}

header h1 {
  font-size: 0.8rem;
  font-weight: 400;
  text-transform: lowercase;
  letter-spacing: 0.1em;
  color: #666;
}

nav a {
  text-decoration: none;
  color: #111;
  font-size: 0.8rem;
  border: 1px solid #111;
  padding: 0.5rem 1rem;
  transition: all 0.3s ease;
}

nav a:hover {
  background: #111;
  color: #fefefe;
}

main {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 0 10vw;
  gap: 3rem;
}

main h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 300;
  letter-spacing: -0.05em;
}

main h1 a {
  text-decoration: none;
  color: #111;
  position: relative;
  display: inline-block;
}

main h1 a::after {
  content: '_';
  animation: blink 1s infinite;
  margin-left: 0.2em;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

main p {
  font-size: 1rem;
  color: #555;
  max-width: 600px;
  line-height: 1.8;
  font-weight: 300;
}

.video-wrapper {
  margin-top: 3rem;
  width: 100%;
  max-width: 640px;
  aspect-ratio: 16 / 9;
}

.video-wrapper iframe {
  width: 100%;
  height: 100%;
  display: block;
}

footer {
  padding: 5vh 10vw;
}

footer p {
  font-size: 0.75rem;
  color: #999;
}