:root {
  --color-text: #000000;
  --color-text-muted: #3B3A3A;
  --color-background: #F9F9F9;
  --color-accent: #1E00FF;
  --font-sans: "Inter", "Helvetica Neue", Arial, sans-serif;
  --text-sm: 1rem;
  --text-base: 1.25rem;
  --text-h1: 1.5rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --max-width: 720px;
  --transition-fast: 150ms ease;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-text: #ffffff;
    --color-text-muted: #BCBCBC;
    --color-background: #090909;
    --color-accent: #9996FF;
  }
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-background);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

h1 {
  font-size: var(--text-h1);
  font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--color-text);
  line-height: 1.25;
}

h2 {
  font-size: var(--text-base);
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.025em;
  color: #7B7B7B;
  line-height: 1.5;
}

p {
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text-muted);
  line-height: 1.5em;
}

.text-sm {
  font-size: var(--text-sm);
  font-weight: 400;
  color: #7B7B7B;
}

a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

#copy-email {
  cursor: copy !important;
}

a[aria-disabled="true"] {
  color: #7B7B7B;
  cursor: not-allowed;
}

a[aria-disabled="true"]:hover {
  color: #7B7B7B;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  padding-inline: var(--space-lg);
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

::selection {
  background-color: var(--color-accent);
  color: #ffffff;
}

.tooltip {
  position: absolute;
  background-color: #EEEEEE;
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: bold;
  padding: .6rem 1rem;
  pointer-events: none;
  border-radius: 2rem;
  opacity: 0;
  transition: opacity var(--transition-fast);
  transform: translate(-50%, 0.5rem);
}

.tooltip.visible {
  opacity: 1;
}

.name-tooltip {
  cursor: default;
}

.name-tooltip .tooltip {
  position: fixed;
  white-space: nowrap;
}

.name-tooltip:hover .tooltip {
  opacity: 1;
}

@media (prefers-color-scheme: dark) {
  .tooltip {
    background-color: #222;
  }
}

@media (hover: hover) {
  body::after {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--color-background);
    opacity: 0.5;
    pointer-events: none;
    mask: radial-gradient(
      circle 500px at var(--cursor-x, 50%) var(--cursor-y, 50%),
      transparent 0%,
      black 100%
    );
    -webkit-mask: radial-gradient(
      circle 500px at var(--cursor-x, 50%) var(--cursor-y, 50%),
      transparent 0%,
      black 100%
    );
  }
}

@media (max-width: 480px) {
  nav {
    flex-direction: column;
    gap: var(--space-sm);
  }

  nav .separator {
    display: none;
  }
}