/* Reset */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-0);
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

/* Typography */
h1, h2, h3, h4 {
  color: var(--heading);
  line-height: var(--lh-heading);
  letter-spacing: -0.015em;
  font-weight: 650;
  text-wrap: balance;
}

h1 { font-size: var(--fs-4); }
h2 { font-size: var(--fs-3); }
h3 { font-size: var(--fs-2); }
h4 { font-size: var(--fs-1); }

p, li { text-wrap: pretty; }

a {
  color: var(--scifi);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color var(--dur) var(--ease);
}

a:hover { color: var(--eco); }

code, kbd, samp, pre { font-family: var(--font-mono); font-size: 0.9em; }

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin-block: var(--sp-7);
}

/* Focus — 2px ring in the sci-fi accent, both themes */
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Layout primitives */
.wrap {
  width: 100%;
  max-width: var(--content-width);
  margin-inline: auto;
  padding-inline: var(--sp-5);
}

.prose { max-width: var(--measure); }

.stack > * + * { margin-top: var(--sp-4); }
.stack-lg > * + * { margin-top: var(--sp-7); }

main { flex: 1 0 auto; padding-block: var(--sp-8); }

/* Skip link — first focusable element on every page */
.skip-link {
  position: absolute;
  left: var(--sp-4);
  top: var(--sp-4);
  z-index: 100;
  padding: var(--sp-2) var(--sp-4);
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transform: translateY(-200%);
}

.skip-link:focus { transform: translateY(0); }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Print baseline — cv.html extends this */
@media print {
  body { background: #fff; color: #000; }
  h1, h2, h3, h4 { color: #000; }
  .site-header, .site-footer, .skip-link, .hero-canvas { display: none !important; }
  main { padding-block: 0; }
  a { color: #000; text-decoration: underline; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 0.85em; }
}