:root {
  --bg: #ffffff;
  --text: #111111;
  --muted: #b5b5b5;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  padding: 8vw;
  -webkit-font-smoothing: antialiased;
}

header {
  margin-bottom: 12vh;
}

h1 {
  font-size: clamp(3rem, 8vw, 7rem);
  font-weight: 600;
  letter-spacing: -0.04em;
}

.subtitle {
  margin-top: 18px;
  font-size: 2rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--muted);
}

nav {
  display: flex;
  flex-direction: column;
  gap: 2.2rem;
}

.link {
  text-decoration: none;
  color: var(--text);
  font-size: clamp(2.2rem, 4vw, 4rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
  position: relative;
  display: inline-block;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.link span {
  display: block;
}

.link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -12px;
  height: 1px;
  width: 0%;
  background: var(--text);
  transition: width 0.4s ease;
}

nav:hover .link {
  opacity: 0.25;
}

nav .link:hover {
  opacity: 1;
  transform: translateX(12px);
}

nav .link:hover::after {
  width: 100%;
}

.inline-link span {
  display: inline;
}

.inline-link {
  white-space: nowrap;
}

footer {
  margin-top: 15vh;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
}


/* ---------- Responsive Refinement ---------- */

@media (max-width: 1024px) {
  body {
    padding: 12vw 8vw;
  }

  h1 {
    font-size: clamp(2.8rem, 9vw, 4.5rem);
  }

  .link {
    font-size: clamp(1.8rem, 6vw, 3rem);
  }
}

@media (max-width: 640px) {
  body {
    padding: 14vw 7vw;
  }

  header {
    margin-bottom: 8vh;
  }

  nav {
    gap: 1.6rem;
  }

  .link {
    font-size: 1.9rem;
    letter-spacing: -0.02em;
  }

  .link:hover {
    transform: translateX(6px); /* smaller movement on mobile */
  }

  footer {
    margin-top: 10vh;
  }
}