/* ==========================================================================
   Demo Design System v1 — components
   Class prefix: ds-. Demos may ONLY use classes defined in this file.
   Reads tokens from tokens.css; never hardcode colors or sizes here.
   ========================================================================== */

/* --- Reset / base --- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: var(--heading-weight);
  letter-spacing: var(--heading-tracking);
  line-height: var(--leading-tight);
  margin: 0;
  text-wrap: balance;
}
h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-lg); line-height: var(--leading-snug); }
p { margin: 0; }
a { color: var(--color-primary); }
a:hover { color: var(--color-primary-hover); }
img { max-width: 100%; display: block; }
:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }

/* --- Layout --- */
.ds-container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.ds-container--narrow { max-width: var(--container-narrow); }
.ds-stack > * + * { margin-top: var(--space-4); }
.ds-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
}
.ds-split {
  display: grid;
  gap: var(--space-7);
  align-items: start;
}
@media (min-width: 52rem) { .ds-split { grid-template-columns: 1fr 1fr; } }

/* --- Demo banner (REQUIRED on every demo) --- */
.ds-demo-banner {
  background: var(--color-text);
  color: var(--color-bg);
  font-size: var(--text-xs);
  text-align: center;
  padding: var(--space-2) var(--gutter);
}
.ds-demo-banner a { color: inherit; }

/* --- Header --- */
.ds-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}
.ds-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 4rem;
}
.ds-brand {
  font-family: var(--font-heading);
  font-weight: var(--heading-weight);
  font-size: var(--text-lg);
  color: var(--color-text);
  text-decoration: none;
  line-height: 1.2;
}
.ds-nav { display: none; gap: var(--space-5); }
.ds-nav a { color: var(--color-muted); text-decoration: none; font-size: var(--text-sm); font-weight: 500; }
.ds-nav a:hover { color: var(--color-text); }
@media (min-width: 48rem) { .ds-nav { display: flex; } }

/* --- Buttons --- */
.ds-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 2.75rem;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-btn);
  border: 2px solid transparent;
  font: 600 var(--text-sm) / 1 var(--font-body);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s var(--ease), border-color 0.15s var(--ease), color 0.15s var(--ease);
  white-space: nowrap;
}
.ds-btn--primary { background: var(--color-primary); color: var(--color-on-primary); }
.ds-btn--primary:hover { background: var(--color-primary-hover); color: var(--color-on-primary); }
.ds-btn--ghost { border-color: currentColor; color: inherit; background: transparent; }
.ds-btn--ghost:hover { color: inherit; background: color-mix(in srgb, currentColor 10%, transparent); }
.ds-btn--sm { min-height: 2.25rem; padding-inline: var(--space-4); }

/* --- Hero --- */
.ds-hero {
  background: var(--color-hero-bg);
  color: var(--color-hero-text);
  padding-block: var(--space-9);
  position: relative;
  overflow: hidden;
}
.ds-hero::after { /* decorative pattern — no stock photos needed */
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(color-mix(in srgb, var(--color-hero-accent) 30%, transparent) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: linear-gradient(115deg, transparent 45%, #000 100%);
  pointer-events: none;
}
.ds-hero > * { position: relative; z-index: 1; }
.ds-hero__eyebrow {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-hero-accent);
  margin-bottom: var(--space-4);
}
.ds-hero__lede {
  font-size: var(--text-lg);
  color: var(--color-hero-muted);
  max-width: 38rem;
  margin-top: var(--space-5);
}
.ds-hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-6); }
.ds-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-hero-muted);
}

/* --- Sections --- */
.ds-section { padding-block: var(--space-8); }
.ds-section--alt { background: var(--color-surface); }
.ds-section__head { max-width: 40rem; margin-bottom: var(--space-6); }
.ds-section__head p { color: var(--color-muted); margin-top: var(--space-3); }
.ds-eyebrow {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

/* --- Cards --- */
.ds-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
}
.ds-card h3 + p { margin-top: var(--space-2); color: var(--color-muted); font-size: var(--text-sm); }
.ds-card__mark { /* small accent bar at the top of service cards */
  width: 2rem;
  height: 4px;
  border-radius: 2px;
  background: var(--color-primary);
  margin-bottom: var(--space-4);
}

/* --- Rating --- */
.ds-rating { display: inline-flex; align-items: center; gap: var(--space-2); font-weight: 600; }
.ds-rating__stars { color: var(--color-accent); letter-spacing: 0.1em; }
.ds-hero .ds-rating__stars { color: var(--color-hero-accent); }
.ds-rating__source { font-weight: 400; color: inherit; opacity: 0.8; }

/* --- Hours --- */
.ds-hours { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.ds-hours th, .ds-hours td { text-align: left; padding: var(--space-2) 0; border-bottom: 1px solid var(--color-border); }
.ds-hours th { font-weight: 600; width: 40%; }
.ds-hours td { color: var(--color-muted); }

/* --- Contact list --- */
.ds-contact { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-4); }
.ds-contact__label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.ds-contact__value { font-size: var(--text-lg); color: var(--color-text); text-decoration: none; }
a.ds-contact__value:hover { color: var(--color-primary); }

/* --- CTA band --- */
.ds-cta {
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding-block: var(--space-8);
  text-align: center;
}
.ds-cta p { opacity: 0.9; margin-top: var(--space-3); }
.ds-cta .ds-btn { margin-top: var(--space-5); background: var(--color-on-primary); color: var(--color-primary); }
.ds-cta .ds-btn:hover { background: color-mix(in srgb, var(--color-on-primary) 88%, var(--color-primary)); color: var(--color-primary); }

/* --- Footer --- */
.ds-footer {
  padding-block: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
}
.ds-footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-3); }

/* --- Utilities (the only ones allowed) --- */
.ds-muted { color: var(--color-muted); }
.ds-center { text-align: center; }
.ds-visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}