/* ==========================================================================
   BASE — reset, document defaults, shared primitives, accessibility floor
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  /* keep anchored sections clear of the sticky header */
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  background: var(--wm-light-grey);
  color: var(--wm-charcoal);
  font-family: var(--font-clash);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--wm-charcoal); text-decoration: none; }
a:hover { color: var(--wm-molten-coral-ui); }

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

p, h1, h2, h3 { margin: 0; }

button { font: inherit; }

/* --- focus -----------------------------------------------------------------
   The design defines hover states but no focus states. Keyboard users need a
   visible indicator; this is additive and never shows for mouse users.
   -------------------------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--wm-molten-coral);
  outline-offset: 3px;
}
/* on the Navy hero, Charcoal territory cards and Navy Guardians panel,
   coral-on-dark is too low-contrast for a focus ring */
.hero :focus-visible,
.territory :focus-visible,
.split__text--navy :focus-visible {
  outline-color: var(--wm-light-grey);
}

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

.skip-link {
  position: absolute;
  left: var(--pad-x);
  top: -100px;
  z-index: 100;
  padding: 10px 18px;
  background: var(--wm-deep-navy);
  color: var(--wm-light-grey);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  transition: top 160ms ease;
}
.skip-link:focus { top: 8px; color: var(--wm-light-grey); }

/* ==========================================================================
   SHARED PRIMITIVES
   ========================================================================== */

/* --- eyebrow: Source Code label, e.g. "02 / MATERIAL LANDSCAPES" ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-source-code);
  font-size: var(--text-source-data);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--wm-ink-secondary);
}
.eyebrow--on-dark { color: var(--wm-cool-grey); }

/* the 8px coral square that marks a numbered section */
.eyebrow__marker {
  display: inline-block;
  width: 8px; height: 8px;
  flex-shrink: 0;
  background: var(--wm-molten-coral);
}

/* --- structural label: Clash uppercase, e.g. "FOUR TERRITORIES" ----------- */
.label {
  font-size: var(--text-interface-label);
  font-weight: 500;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--wm-charcoal);
}

/* --- section title: Clash, uppercase, two-line ---------------------------- */
.section-title {
  font-size: var(--text-h2);
  font-weight: 500;
  line-height: 1.05;
  text-transform: uppercase;
  color: var(--wm-deep-navy);
  text-wrap: pretty;
}
.section-title--on-dark { color: var(--wm-light-grey); }

/* --- body copy ------------------------------------------------------------ */
.copy {
  font-size: 16px;
  font-weight: 300;
  line-height: var(--leading-body);
  color: var(--wm-charcoal);
  max-width: 44ch;
  text-wrap: pretty;
}
.copy--on-dark { color: var(--wm-cool-grey); }

/* --- framed CTA (hero "Explore objects", "Let's talk about it") ----------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 28px;
  border: 1px solid var(--wm-deep-navy);
  border-radius: var(--radius-none);
  background: transparent;
  color: var(--wm-deep-navy);
  font-family: var(--font-clash);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  text-decoration: none;
  transition: background 180ms ease, color 180ms ease;
}
.btn:hover { background: var(--wm-deep-navy); color: var(--wm-light-grey); }

.btn--on-navy { border-color: var(--wm-light-grey); color: var(--wm-light-grey); }
.btn--on-navy:hover { background: var(--wm-light-grey); color: var(--wm-deep-navy); }

.btn--lg { min-height: 46px; padding: 0 34px; }

/* --- underlined arrow link ("See objects →", "Book a workshop →") --------- */
.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-clash);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--wm-light-grey);
  text-decoration: none;
  border-bottom: 1px solid rgba(233, 233, 232, 0.5);
  padding-bottom: 2px;
  transition: color 220ms ease, border-color 220ms ease, gap 220ms ease;
}
.arrow-link:hover {
  color: var(--wm-molten-coral);
  border-color: var(--wm-molten-coral);
  gap: 12px;
}

/* --- tonal identity marks (lettermark / brandmark used as watermarks) -----
   Approved artwork rendered through mask-image so it can take a brand colour.
   Never typeset — always the supplied PNG.
   -------------------------------------------------------------------------- */
.mark {
  background-color: var(--wm-deep-navy);
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: contain;
  mask-size: contain;
  -webkit-mask-position: center;
  mask-position: center;
}
.mark--wordmark {
  -webkit-mask-image: url('../logos/wemelt-wordmark-black.png');
  mask-image: url('../logos/wemelt-wordmark-black.png');
  -webkit-mask-position: left center;
  mask-position: left center;
}
.mark--brandmark {
  -webkit-mask-image: url('../logos/wemelt-brandmark-black.png');
  mask-image: url('../logos/wemelt-brandmark-black.png');
}
.mark--lettermark {
  -webkit-mask-image: url('../logos/wemelt-lettermark-black.png');
  mask-image: url('../logos/wemelt-lettermark-black.png');
}

/* --- media: images that fill a panel -------------------------------------- */
.media {
  position: relative;
  overflow: hidden;
  background: var(--wm-cool-grey);
}
.media__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* the second image sits above and fades in on hover of the panel */
.media__img--hover {
  opacity: 0;
  transition: opacity 340ms ease;
}
.media:hover .media__img--hover { opacity: 1; }

/* ==========================================================================
   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;
    scroll-behavior: auto !important;
  }
}