*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background: radial-gradient(circle at top, rgba(75, 214, 230, 0.08), transparent 55%) var(--bg);
  color: var(--text);
  font-family: inherit;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  position: relative;
}

a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: currentColor;
  opacity: 0;
  transform: scaleX(0.6);
  transform-origin: left;
  transition: opacity var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

a:hover::after,
a:focus-visible::after {
  opacity: 0.7;
  transform: scaleX(1);
}

button,
input,
textarea {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 10px;
  background: var(--surface);
  color: var(--text);
  padding: var(--s-2) var(--s-4);
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  z-index: 999;
}

.skip-link:focus {
  left: var(--s-4);
}

main {
  display: block;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}