:root {
  color-scheme: light;
  --paper: #f4f0e7;
  --ink: #070707;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--paper);
}

body {
  min-height: 100svh;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
}

#world {
  position: fixed;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
}

main {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 100svh;
  place-items: center;
  padding: 1rem;
  pointer-events: none;
}

.contact-stack {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(0.9rem, 2.2vw, 1.35rem);
  max-width: min(100%, 44rem);
  pointer-events: none;
}

.email {
  display: inline-block;
  color: var(--ink);
  text-decoration: none;
  font-size: clamp(1.4rem, 4.2vw, 4.4rem);
  font-weight: 560;
  letter-spacing: 0;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform-origin: center;
  transform: translateY(0.35rem) scale(0.98);
  transition:
    opacity 700ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.about-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.65rem;
  padding: 0.72rem 1.05rem;
  border: 1px solid var(--ink);
  border-radius: 8px;
  background: transparent;
  color: var(--ink);
  font-size: clamp(0.88rem, 1.25vw, 1rem);
  font-weight: 650;
  font-family: inherit;
  line-height: 1;
  text-decoration: none;
  text-transform: lowercase;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.3rem) scale(0.98);
  transition:
    opacity 620ms cubic-bezier(0.16, 1, 0.3, 1) 110ms,
    transform 620ms cubic-bezier(0.16, 1, 0.3, 1) 110ms,
    background-color 180ms ease,
    color 180ms ease;
}

.about-blurb {
  position: absolute;
  top: calc(100% + clamp(0.9rem, 2.2vw, 1.35rem));
  left: 50%;
  width: min(34rem, calc(100vw - 2rem));
  margin: 0;
  color: var(--ink);
  font-size: clamp(1rem, 2vw, 1.32rem);
  font-weight: 560;
  letter-spacing: 0;
  line-height: 1.32;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 0.45rem) scale(0.98);
  transition:
    opacity 620ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 620ms cubic-bezier(0.16, 1, 0.3, 1);
}

body.is-revealed .email,
body.is-revealed .about-button {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

body.is-revealed .email:hover,
body.is-revealed .email:focus-visible {
  transform: scale(1.12);
}

body.is-revealed .about-button:hover,
body.is-revealed .about-button:focus-visible {
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-0.08rem);
}

body.is-about-open .about-blurb {
  opacity: 1;
  transform: translate(-50%, 0) scale(1);
}

.email:focus-visible,
.about-button:focus-visible {
  outline: 2px solid currentColor;
  outline-offset: 0.28em;
}

@media (max-width: 540px) {
  .email {
    font-size: clamp(1.08rem, 5.7vw, 1.45rem);
  }

  .about-button {
    min-height: 2.5rem;
    padding: 0.68rem 0.92rem;
  }

  .about-blurb {
    width: min(20rem, calc(100vw - 2rem));
    font-size: clamp(0.92rem, 4.2vw, 1.06rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .email,
  .about-button,
  .about-blurb {
    transition: none;
  }

  body.is-revealed .email:hover,
  body.is-revealed .email:focus-visible,
  body.is-revealed .about-button:hover,
  body.is-revealed .about-button:focus-visible {
    transform: none;
  }
}