*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--menubar-h) + 16px); }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  /* the "desktop": light grey with a faint grid */
  background-color: var(--desk);
  background-image:
    linear-gradient(var(--desk-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--desk-line) 1px, transparent 1px);
  background-size: 28px 28px;
  overflow-x: clip;
}
h1, h2, h3, p, dl, dd { margin: 0; }
a { color: inherit; }
img { max-width: 100%; display: block; }
button { font: inherit; color: inherit; }
::selection { background: var(--blue); color: #fff; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; }

.wrap { max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }
.mono { font-family: var(--font-mono); font-size: var(--step--1); letter-spacing: 0.04em; text-transform: uppercase; }
.pixel { font-family: var(--font-pixel); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.boot { padding: 30vh var(--gutter); font-family: var(--font-term); font-size: 1.6rem; }

/* Terminal-caret blink */
@keyframes blink { 50% { opacity: 0; } }
.blink { animation: blink 1s steps(1, jump-none) infinite; }

/* ---------- Buttons: chunky, hard shadow, physically "press" ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .75rem 1.15rem;
  background: var(--paper); color: var(--ink);
  border: var(--border) solid var(--ink);
  box-shadow: var(--shadow-sm) var(--shadow-sm) 0 var(--ink);
  font-family: var(--font-mono); font-weight: 700; font-size: .85rem;
  letter-spacing: .05em; text-transform: uppercase; text-decoration: none;
  cursor: inherit;
  transition: transform .12s steps(2), box-shadow .12s steps(2), background .12s;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: calc(var(--shadow-sm) + 2px) calc(var(--shadow-sm) + 2px) 0 var(--ink); }
.btn:active { transform: translate(var(--shadow-sm), var(--shadow-sm)); box-shadow: 0 0 0 var(--ink); }
.btn--primary { background: var(--green); }
.btn--blue { background: var(--blue); color: #fff; }

/* ---------- Keycaps: used for tags and skills ---------- */
.key {
  display: inline-block;
  padding: .12rem .5rem .1rem;
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: 5px;
  box-shadow: 0 3px 0 var(--ink);
  margin-bottom: 3px;
  font-family: var(--font-mono); font-weight: 600; font-size: .7rem;
  letter-spacing: .04em; text-transform: uppercase; line-height: 1.5;
  transition: transform .1s steps(2), box-shadow .1s steps(2);
}
.key:hover { transform: translateY(2px); box-shadow: 0 1px 0 var(--ink); }

/* ---------- Scroll reveal: windows "draw in" top to bottom, in steps,
   like an old machine repainting the screen. JS adds .reveal, then
   .is-in when the element enters view; without JS nothing is hidden. ---------- */
.reveal { clip-path: inset(0 0 100% 0); transition: clip-path .45s steps(9, end); transition-delay: var(--rd, 0ms); }
.reveal.is-in { clip-path: inset(-60px); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .reveal.is-in { clip-path: none; transition: none; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}