/* ==========================================================================
   Local Business Design System v2 — base
   Scale, layout primitives, buttons. Colors and fonts come from themes.css
   (generated from system.json). Radius and density are the only other knobs.
   ========================================================================== */

:root {
  --step--1: 0.875rem;
  --step-0: 1.0625rem;
  --step-1: 1.25rem;
  --step-2: 1.5625rem;
  --step-3: clamp(1.75rem, 1.45rem + 1.3vw, 2.3rem);
  --step-4: clamp(2.05rem, 1.55rem + 2.4vw, 3.1rem);
  --step-5: clamp(2.4rem, 1.6rem + 3.6vw, 4rem);

  --wrap: 70rem;
  --measure: 36rem;
  --gutter: clamp(1rem, 4vw, 2rem);
  --gap: clamp(1.5rem, 3vw, 3rem);

  /* Radius: two options only. Never add a third. */
  --r-btn: 2px;
  --r-panel: 2px;

  /* Density */
  --section-y: 4rem;
}
[data-radius="soft"] { --r-btn: 6px; --r-panel: 8px; }
[data-density="compact"] { --section-y: 3rem; }
[data-density="spacious"] { --section-y: 5.5rem; }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: var(--body-leading, 1.6);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: var(--heading-weight);
  letter-spacing: var(--heading-tracking);
  line-height: 1.12;
  margin: 0;
  text-wrap: balance;
}
h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-1); line-height: 1.3; }
p, ul, ol, dl, dd, figure { margin: 0; }
:where(ul[class], ol[class]) { list-style: none; padding: 0; }
a { color: var(--accent); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
p { text-wrap: pretty; }

/* --- Layout ------------------------------------------------------------- */
.ds-wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gutter); }
.ds-section { padding-block: var(--section-y); }
.ds-section--alt { background: var(--paper-2); }
.ds-section__title { margin-bottom: 1.5rem; max-width: 24ch; }
.ds-measure { max-width: var(--measure); }
.ds-cols { display: grid; gap: var(--gap); }
@media (min-width: 52rem) {
  .ds-cols { grid-template-columns: 1fr 1fr; }
  .ds-cols--wide-left { grid-template-columns: 3fr 2fr; }
  .ds-cols--wide-right { grid-template-columns: 2fr 3fr; }
}
.ds-muted { color: var(--ink-2); }
.ds-label { display: block; font-size: var(--step--1); font-weight: 600; color: var(--ink-2); margin-bottom: 0.25rem; }

/* --- Buttons -------------------------------------------------------------- */
.ds-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.ds-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.7rem 1.35rem;
  border: 2px solid transparent;
  border-radius: var(--r-btn);
  font: 600 var(--step-0) / 1.2 var(--font-body);
  text-decoration: none;
  cursor: pointer;
}
.ds-btn--primary { background: var(--accent); color: var(--accent-ink); }
.ds-btn--primary:hover { background: color-mix(in srgb, var(--accent) 86%, #000); color: var(--accent-ink); }
.ds-btn--secondary { border-color: currentColor; color: var(--ink); background: transparent; }
.ds-btn--secondary:hover { background: color-mix(in srgb, currentColor 8%, transparent); }
.ds-btn--on-dark { border-color: var(--band-ink); color: var(--band-ink); background: transparent; }
.ds-btn--on-dark:hover { background: color-mix(in srgb, var(--band-ink) 12%, transparent); color: var(--band-ink); }
.ds-btn--inverse { background: var(--paper); color: var(--ink); }
.ds-btn--inverse:hover { background: var(--paper-2); color: var(--ink); }

/* --- Demo banner + skip link (required) ----------------------------------- */
.ds-demo-banner {
  background: var(--paper-2);
  color: var(--ink-2);
  border-bottom: 1px solid var(--line);
  font-size: var(--step--1);
  padding: 0.45rem var(--gutter);
  text-align: center;
}
.ds-skip {
  position: absolute; left: 0.5rem; top: -3rem; z-index: 50;
  background: var(--ink); color: var(--paper); padding: 0.5rem 0.75rem;
}
.ds-skip:focus { top: 0.5rem; }

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }