/* Zeal Publishers — base: reset, typography, focus, utilities, reduced motion. */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html {
  -webkit-text-size-adjust: 100%; text-size-adjust: 100%;
  scroll-padding-top: calc(var(--z-header-h) + 12px);
  hanging-punctuation: first last;
}
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  min-height: 100vh; min-height: 100dvh;
  font-family: var(--z-font-body); font-size: var(--z-fs-base); line-height: var(--z-lh-body);
  font-weight: 400; color: var(--fg); background: var(--bg);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility; overflow-x: clip;
}
img, picture, video, canvas, svg { display: block; max-width: 100%; }
img { height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
:where(ul[role="list"], ol[role="list"], .z-list-reset) { list-style: none; padding: 0; }
p, li, figcaption, blockquote { text-wrap: pretty; overflow-wrap: break-word; }
table { border-collapse: collapse; }
[hidden] { display: none !important; }

/* ---------- Surfaces ---------- */
/* [class] lifts these to (0,2,0): a surface class always paints its ground, even on a
   component (card, tile, package) whose own rule sets a background. */
.z-on-cream[class], .z-on-parchment[class], .z-on-white[class], .z-on-green[class], .z-on-deep[class] {
  background-color: var(--bg); color: var(--fg);
}
.z-grain { position: relative; isolation: isolate; }
.z-grain::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: var(--z-grain); opacity: .07; mix-blend-mode: multiply;
}
.z-on-green.z-grain::after, .z-on-deep.z-grain::after {
  background-image: var(--z-grain-light); opacity: .05; mix-blend-mode: screen;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--z-font-display); font-weight: 600; line-height: var(--z-lh-snug);
  color: var(--fg-strong); letter-spacing: -0.012em; text-wrap: balance;
}
h1 { font-size: var(--z-fs-3xl); line-height: var(--z-lh-tight); letter-spacing: var(--z-track-display); }
h2 { font-size: var(--z-fs-2xl); line-height: 1.08; letter-spacing: -0.02em; }
h3 { font-size: var(--z-fs-lg); }
h4 { font-size: var(--z-fs-md); }
em, i { font-style: italic; }
h1 em, h2 em, h3 em, .z-display em { font-weight: 500; }
strong, b { font-weight: 600; }
small { font-size: var(--z-fs-sm); }
a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: .18em; }
a:hover { color: var(--link-hover); }
p a, li a, .z-prose a { text-decoration: underline; text-decoration-color: color-mix(in srgb, currentColor 40%, transparent); }
p a:hover, li a:hover, .z-prose a:hover { text-decoration-color: currentColor; }
::selection { background: var(--z-amber); color: var(--z-green-950); }

.z-display {
  font-family: var(--z-font-display); font-size: var(--z-fs-display); font-weight: 500;
  line-height: .98; letter-spacing: -0.035em; color: var(--fg-strong); text-wrap: balance;
}
.z-lede { font-size: var(--z-fs-md); line-height: 1.55; color: var(--fg-muted); max-width: 38em; }
.z-muted { color: var(--fg-muted); }
.z-eyebrow {
  display: inline-flex; align-items: center; gap: .6em;
  font-family: var(--z-font-body); font-size: var(--z-fs-xs); font-weight: 600;
  letter-spacing: var(--z-track-caps); text-transform: uppercase; color: var(--accent-ink);
}
.z-eyebrow::before { content: ""; width: 1.75em; height: 1px; background: currentColor; opacity: .8; }
.z-eyebrow--plain::before { display: none; }
.z-serif { font-family: var(--z-font-display); }
.z-italic { font-style: italic; }
.z-accent { color: var(--accent-ink); }
.z-prose { max-width: var(--z-container-text); }
.z-prose > * + * { margin-top: 1em; }

/* ---------- Layout ---------- */
.z-container { width: 100%; max-width: calc(var(--z-container) + 2 * var(--z-gutter)); margin-inline: auto; padding-inline: var(--z-gutter); }
.z-container--wide { max-width: calc(var(--z-container-wide) + 2 * var(--z-gutter)); }
.z-container--text { max-width: calc(var(--z-container-text) + 2 * var(--z-gutter)); }
.z-section { padding-block: var(--z-section); position: relative; }
.z-section--sm { padding-block: var(--z-section-sm); }
.z-stack > * + * { margin-top: var(--z-stack, 1rem); }
.z-rule { border: 0; height: 1px; background: var(--line); }

/* ---------- Focus ---------- */
:focus { outline: none; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 2px; }

/* ---------- Accessibility helpers ---------- */
.z-sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.z-skip {
  position: fixed; left: 12px; top: 12px; z-index: 1000; transform: translateY(-160%);
  background: var(--z-green); color: var(--z-cream); padding: .7rem 1rem; border-radius: var(--z-r-sm);
  font-weight: 600; text-decoration: none; transition: transform var(--z-dur-2) var(--z-ease-out);
}
.z-skip:focus-visible { transform: none; color: var(--z-cream); outline-color: var(--z-amber); }

/* ---------- Reveal system (motion.js adds .is-in). Content is visible without JS. ---------- */
.js [data-reveal] {
  opacity: 0; transform: translate3d(0, 28px, 0);
  transition: opacity var(--z-dur-4) var(--z-ease-out), transform var(--z-dur-4) var(--z-ease-out);
  transition-delay: calc(var(--i, 0) * var(--z-stagger) + var(--d, 0ms));
}
.js [data-reveal="fade"] { transform: none; }
.js [data-reveal="left"] { transform: translate3d(-36px, 0, 0); }
.js [data-reveal="right"] { transform: translate3d(36px, 0, 0); }
.js [data-reveal="scale"] { transform: scale(.94); }
.js [data-reveal="clip"] {
  opacity: 1; transform: none; clip-path: inset(0 0 100% 0);
  transition: clip-path var(--z-dur-4) var(--z-ease-out);
  transition-delay: calc(var(--i, 0) * var(--z-stagger) + var(--d, 0ms));
}
.js [data-reveal].is-in { opacity: 1; transform: none; }
.js [data-reveal="clip"].is-in { clip-path: inset(0 0 0 0); }

/* Split headlines: motion.js wraps each word in .z-w > .z-wi (text stays in the DOM). */
.z-w { display: inline-block; overflow: hidden; vertical-align: top; padding-bottom: .1em; margin-bottom: -.1em; }
.z-wi { display: inline-block; }
.js [data-split] .z-wi {
  transform: translate3d(0, 108%, 0);
  transition: transform var(--z-dur-4) var(--z-ease-out);
  transition-delay: calc(var(--wi, 0) * 45ms + var(--d, 0ms));
}
.js [data-split].is-in .z-wi { transform: none; }

/* ---------- Reduced motion: everything lands in its final state ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important; animation-iteration-count: 1 !important;
    animation-delay: 0ms !important; transition-duration: .01ms !important;
    transition-delay: 0ms !important; scroll-behavior: auto !important;
  }
  .js [data-reveal], .js [data-split] .z-wi { opacity: 1 !important; transform: none !important; clip-path: none !important; }
}

/* Safety net: decorative transforms may never cause sideways scroll (clip keeps sticky working). */
main { overflow-x: clip; }