/* Modern minimal reset, scoped to .lusi (the homepage <body> class).
   Keeps the rest of the site (wp-admin, other pages) untouched. */

html {
  scroll-behavior: smooth;
  scroll-padding-top: 64px;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* View Transitions API — smooth root cross-fade for the theme toggle.
   Browsers without support fall back to immediate swap. */
@supports (view-transition-name: root) {
  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation: none;
    mix-blend-mode: normal;
  }
  ::view-transition-old(root) { z-index: 0; }
  ::view-transition-new(root) { z-index: 1; }
}

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

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

.lusi {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  letter-spacing: var(--ls-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;
  font-synthesis: none;
  transition: background var(--dur-base) var(--ease-out),
              color var(--dur-base) var(--ease-out);
}

.lusi h1,
.lusi h2,
.lusi h3,
.lusi h4,
.lusi h5,
.lusi h6,
.lusi p,
.lusi figure,
.lusi blockquote,
.lusi ol,
.lusi ul {
  margin: 0;
}

.lusi ol,
.lusi ul {
  padding: 0;
  list-style: none;
}

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

.lusi input,
.lusi button,
.lusi textarea,
.lusi select {
  font: inherit;
  color: inherit;
}

.lusi button {
  background: none;
  border: 0;
  cursor: pointer;
  padding: 0;
}

.lusi a {
  color: inherit;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}

.lusi a:hover { text-decoration: none; }

.lusi:has(:focus-visible) :focus-visible,
.lusi :focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* skip-link */
.lusi-skip {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: var(--z-skip);
  padding: 12px 18px;
  background: var(--text);
  color: var(--bg);
  border-radius: var(--r-pill);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
  transition: top var(--dur-fast) var(--ease-out);
}
.lusi-skip:focus { top: 12px; }

/* pre-paint observed elements stay invisible until JS adds .is-in */
.lusi [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--dur-slow) var(--ease-out),
    transform var(--dur-slow) var(--ease-out);
  will-change: opacity, transform;
}
.lusi [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .lusi [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* selection */
.lusi ::selection {
  background: var(--accent);
  color: var(--accent-on);
}
