/* BTK shared styles: brand tokens, type, buttons, photos, forms, footer.
   Each version adds its own layout in an inline <style>. */
:root {
  --charcoal: #404041;         /* the logo's own ground */
  --charcoal-deep: #2f2f31;
  --on-charcoal: #ffffff;
  --on-charcoal-soft: #c9c9cc;
  --paper: #f5f5f3;
  --surface: #ffffff;
  --ink: #232325;
  --muted: #5d5e63;
  --line: #dcdcdf;
  --k-yellow: #fff100;
  --k-orange: #f3752b;
  --k-magenta: #eb008b;
  --k-violet: #8680bc;
  --k-blue: #44c7f4;
  --k-green: #8bc53f;
  --focus: #44c7f4;
  --display: "Barlow Condensed", "Arial Narrow", "Roboto Condensed", sans-serif;
  --body: "Barlow", "Helvetica Neue", Arial, sans-serif;
  --max: 1160px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #1c1c1e; --surface: #252527; --ink: #ececec; --muted: #a6a7ac; --line: #3a3a3d;
    --charcoal-deep: #141415; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #1c1c1e; --surface: #252527; --ink: #ececec; --muted: #a6a7ac; --line: #3a3a3d;
  --charcoal-deep: #141415; color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 1.0625rem/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }

.wrap {
  max-width: calc(var(--max) + 32px); margin: 0 auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.02; margin: 0; text-wrap: balance; }
h2 { font-size: clamp(2.1rem, 4.5vw, 3.1rem); text-transform: uppercase; letter-spacing: .01em; }
h3 { font-size: 1.45rem; font-weight: 600; text-transform: uppercase; letter-spacing: .02em; }
p { margin: 0; }
.eyebrow {
  font: 600 .8rem/1 var(--display); letter-spacing: .16em; text-transform: uppercase; color: var(--muted);
  display: flex; align-items: center; gap: .6em; margin: 0;
}
.lede { color: var(--muted); max-width: 58ch; font-size: 1.125rem; }
.section { padding-block: clamp(64px, 9vw, 112px); }
.section-head { display: grid; gap: 14px; margin-bottom: clamp(32px, 5vw, 52px); }

/* six-colour K stripe and paint chips */
.k-stripe { display: grid; grid-template-columns: repeat(6, 1fr); height: 8px; }
.k-stripe span:nth-child(1) { background: var(--k-yellow); }
.k-stripe span:nth-child(2) { background: var(--k-orange); }
.k-stripe span:nth-child(3) { background: var(--k-magenta); }
.k-stripe span:nth-child(4) { background: var(--k-violet); }
.k-stripe span:nth-child(5) { background: var(--k-blue); }
.k-stripe span:nth-child(6) { background: var(--k-green); }
.chip { flex: none; display: inline-block; width: 12px; height: 12px; border-radius: 1px; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5em; min-height: 48px; padding: 0 22px;
  font: 600 1.05rem/1 var(--display); letter-spacing: .08em; text-transform: uppercase; text-decoration: none;
  border: 2px solid currentColor; border-radius: 2px; cursor: pointer; background: none; color: inherit;
  transition: background-color .2s, color .2s, border-color .2s;
}
.btn-solid { background: var(--on-charcoal); color: var(--charcoal); border-color: var(--on-charcoal); }
.btn-solid:hover { background: var(--k-yellow); border-color: var(--k-yellow); color: #232325; }
.btn-ghost { color: var(--on-charcoal); }
.btn-ghost:hover { background: var(--on-charcoal); color: var(--charcoal); }
.btn-ink { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-ink:hover { background: var(--k-yellow); border-color: var(--k-yellow); color: #232325; }

/* photos: blurred placeholder behind, real photo on top */
.ph { position: relative; overflow: hidden; background: #8a8a8c center / cover no-repeat; max-width: 100%; }
.ph img { width: 100%; height: 100%; object-fit: cover; }
.ph.ph-failed img { visibility: hidden; }

/* forms on charcoal */
.form-dark { display: grid; gap: 16px; background: var(--charcoal-deep); color: var(--on-charcoal); padding: clamp(20px, 4vw, 36px); border-radius: 2px; }
.form-dark .row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 520px) { .form-dark .row { grid-template-columns: 1fr; } }
.form-dark label { display: grid; gap: 6px; font: 600 .82rem/1 var(--display); letter-spacing: .14em; text-transform: uppercase; color: var(--on-charcoal-soft); min-width: 0; }
.form-dark input, .form-dark select, .form-dark textarea {
  width: 100%; font: 400 1rem/1.4 var(--body); color: var(--on-charcoal);
  background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.22); border-radius: 2px; padding: 12px 14px;
  color-scheme: dark;
}
.form-dark textarea { min-height: 120px; resize: vertical; }
.form-dark input:focus, .form-dark select:focus, .form-dark textarea:focus { outline: none; border-color: var(--k-blue); box-shadow: 0 0 0 1px var(--k-blue); }
.form-note { font-size: .88rem; color: var(--on-charcoal-soft); }
.form-status { font-size: .95rem; color: var(--k-green); min-height: 1.4em; }

/* footer */
.site-foot { background: var(--charcoal-deep); color: var(--on-charcoal-soft); }
.site-foot .foot { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px 32px; padding-block: 28px; font-size: .9rem; }
.site-foot img { height: 30px; width: auto; }
.credits { font-size: .78rem; color: var(--on-charcoal-soft); opacity: .8; padding-bottom: 24px; }
.credits a { color: inherit; }