/* ==========================================================================
   base.css - reset, element defaults, shared utilities, accessibility gates
   Order: tokens.css -> base.css -> layout.css -> components.css -> scenes.css
   ========================================================================== */

/* ------------------------------------------------------------- 1. reset -- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  min-height: 100svh;
  overflow-x: clip;
  background-color: var(--bg-page);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: var(--lh-body);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

img {
  height: auto;
}

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

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

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

/* ------------------------------------------------------- 2. typography -- */
h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-name);
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

a {
  color: var(--gold);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

::selection {
  background-color: var(--gold);
  color: var(--ink);
}

/* ------------------------------------------- 3. accessibility gates ----- */
/* Gold, 2px, offset 3px on every interactive element. Never outline: none. */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: var(--sp-3);
  left: var(--sp-3);
  z-index: var(--z-lightbox);
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--r-pill);
  background-color: var(--gold);
  color: var(--ink);
  font-size: var(--fs-sm);
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-300%);
  transition: transform var(--dur-fast) var(--ease-out);
}

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

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

[hidden] {
  display: none !important;
}

/* ------------------------------------------------- 4. reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    transition-delay: 0ms !important;
    scroll-behavior: auto !important;
  }
}