/* ===========================================================================
   Gurlex concept — shared foundation
   Mechanics only: reset, accessibility utilities, age-gate behaviour, the
   variant switcher. Every colour, typeface and surface belongs to a lane.
   =========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  /* `clip` rather than `hidden`: `hidden` on the root silently breaks
     position: sticky further down the page. */
  overflow-x: clip;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body.locked { overflow: hidden; }

h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, picture, svg { display: block; max-width: 100%; }
img { height: auto; }
button { font: inherit; color: inherit; }
a { color: inherit; }

address { font-style: normal; }

/* Tabular figures wherever numbers are compared vertically. */
.num { font-variant-numeric: tabular-nums; font-feature-settings: 'tnum' 1; }

/* --- accessibility utilities ---------------------------------------------- */

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

.skip {
  position: absolute;
  top: 0; left: 50%;
  z-index: 300;
  transform: translate(-50%, -110%);
  padding: 0.7rem 1.1rem;
  background: #101010;
  color: #fff;
  font: 500 0.9rem/1 system-ui, sans-serif;
  text-decoration: none;
  border-radius: 0 0 4px 4px;
}
.skip:focus-visible { transform: translate(-50%, 0); }

:where(a, button, [tabindex]):focus-visible {
  outline: 2px solid var(--focus, currentColor);
  outline-offset: 3px;
}

/* --- buttons -------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6em;
  /* Declared explicitly: without it a <button> falls back to the UA
     `buttonface` colour and ghost variants lose their text. */
  background: none;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  /* 44px minimum touch target (WCAG 2.2 SC 2.5.8). */
  min-height: 2.75rem;
}

/* --- age gate ------------------------------------------------------------- */
/* Mechanics live here so a lane can never accidentally un-modal the dialog:
   a stray `body > *` rule once out-specified `position: fixed` and turned the
   overlay into an in-flow block with the site visible beneath it. */

.gate[hidden] { display: none; }
.gate {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: clamp(1rem, 4vw, 3rem);
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--gate-scrim, rgb(8 10 14 / 0.94));
}
.gate__panel {
  width: min(64rem, 100%);
  max-height: 100%;
}
.gate__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}
.gate__deny[hidden] { display: none; }

/* --- reveal safety net ---------------------------------------------------- */
/* Content is visible by default. The hidden starting state is opt-in via
   html.anim, which scripting only adds once it can guarantee it will undo it.
   A broken observer or a suspended background tab must never leave the page
   blank. */

.anim [data-reveal]:not(.is-in) {
  opacity: 0;
  will-change: opacity, transform;
}
@media (prefers-reduced-motion: reduce) {
  .anim [data-reveal] { opacity: 1 !important; transform: none !important; }
}

/* --- variant switcher ----------------------------------------------------- */
/* Lives in shared/switcher.css so the v1 page can load it on its own. */

@media print {
  .sw, .gate, .skip { display: none !important; }
}