/* ============================================================
   SHARED STRUCTURAL / COMPONENT CSS
   Used by BOTH the Calm Chaos shell and every client instance.
   Consumes semantic tokens only — never a literal client colour.
   ============================================================ */

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

html {
  background: var(--color-background);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: clamp(1rem, .96rem + .2vw, 1.0625rem);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* --- Skip link ---------------------------------------------- */
.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--color-primary); color: #000;
  padding: .75rem 1.25rem; font-weight: 700;
  text-decoration: none;
}
.skip-link:focus { left: 0; }

/* --- Focus: always visible ----------------------------------- */
:where(a, button, [tabindex]):focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-control);
}

/* --- Layout -------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-gutter);
}
.section { padding-block: var(--space-section); }
.section--tight { padding-block: var(--space-block); }
.stack > * + * { margin-top: var(--space-block); }
.measure { max-width: var(--measure); }

/* --- Type ---------------------------------------------------- */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 300;
  line-height: 1.1;
  margin: 0;
}
h1 {
  font-size: clamp(2rem, 1.2rem + 4vw, 4rem);
  text-transform: uppercase;
  letter-spacing: var(--tracking-display);
}
h2 {
  font-size: clamp(1.35rem, 1.1rem + 1.4vw, 2.1rem);
  text-transform: uppercase;
  letter-spacing: .16em;
}
h3 { font-size: 1.05rem; text-transform: uppercase; letter-spacing: .12em; }
p { margin: 0; }
a { color: var(--color-primary); }
.muted { color: var(--color-muted); }

.eyebrow {
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-eyebrow);
  color: var(--color-muted);
  margin: 0;
}

/* --- Rule ---------------------------------------------------- */
.rule {
  height: 1px; border: 0; margin: 0;
  background: linear-gradient(90deg,
    transparent, var(--color-border) 20%, var(--color-border) 80%, transparent);
}

/* --- Header / footer ----------------------------------------- */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-background);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; min-height: 64px; flex-wrap: wrap;
}
.brand {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: .22em;
  font-size: .8rem;
  color: var(--color-text);
  text-decoration: none;
  padding: .6rem 0;
}
.brand b { font-weight: 500; color: var(--color-primary); }

.nav { display: flex; gap: .25rem; flex-wrap: wrap; }
.nav a {
  display: inline-flex; align-items: center;
  min-height: 44px; padding: 0 .85rem;
  font-size: .74rem; text-transform: uppercase; letter-spacing: .18em;
  color: var(--color-muted); text-decoration: none;
  border-radius: var(--radius-control);
  transition: color var(--transition-duration) var(--ease);
}
.nav a:hover { color: var(--color-text); }
.nav a[aria-current="page"] { color: var(--color-primary); }

.site-footer {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-block);
  color: var(--color-muted);
  font-size: .82rem;
}
.site-footer .wrap { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: space-between; }

/* --- Buttons ------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 1.6rem;
  font-family: var(--font-display);
  font-size: .78rem; text-transform: uppercase; letter-spacing: .2em;
  text-decoration: none; cursor: pointer;
  border-radius: var(--radius-control);
  border: 1px solid var(--color-primary);
  background: var(--color-primary);
  color: #000;
  transition: background var(--transition-duration) var(--ease),
              color var(--transition-duration) var(--ease);
}
.btn:hover { background: var(--color-accent); border-color: var(--color-accent); }
.btn--ghost {
  background: transparent; color: var(--color-primary);
}
.btn--ghost:hover { background: var(--color-primary); color: #000; }

/* --- Cards / grid -------------------------------------------- */
.grid {
  display: grid; gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
}
.card {
  background: var(--color-surface);
  padding: clamp(1.4rem, 3vw, 2.1rem);
  display: flex; flex-direction: column; gap: .7rem;
}
.card__price {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem);
  font-weight: 300; color: var(--color-primary);
  letter-spacing: .02em;
}
.card__period { font-size: .78rem; color: var(--color-muted); letter-spacing: .1em; text-transform: uppercase; }

/* --- Definition rows (hours, contact) ------------------------ */
.rows { display: grid; gap: 0; border-top: 1px solid var(--color-border); }
.row {
  display: flex; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap;
  padding: .95rem 0; border-bottom: 1px solid var(--color-border);
}
.row dt { color: var(--color-muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .14em; margin: 0; }
.row dd { margin: 0; }

/* --- Demo disclosure (§15) ----------------------------------- */
/* Sticky, in normal flow, above the header. Never overlays content,
   never blocks navigation, present in rendered HTML, survives zoom. */
.demo-banner {
  position: sticky; top: 0; z-index: 100;
  background: var(--color-primary);
  color: #000;
  border-bottom: 1px solid #000;
}
.demo-banner__inner {
  max-width: var(--container); margin-inline: auto;
  padding: .6rem var(--space-gutter);
  font-size: .78rem; line-height: 1.45; font-weight: 600;
  letter-spacing: .02em;
}
.demo-banner strong { text-transform: uppercase; letter-spacing: .14em; }

/* --- View transitions (§12) ---------------------------------- */
@view-transition { navigation: auto; }

::view-transition-old(root) { animation-duration: var(--transition-duration); }
::view-transition-new(root) { animation-duration: var(--transition-duration); }

/* --- Reduced motion: global kill switch (§12, verbatim) ------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* --- generated client skins: 8 custom properties each --- */
html[data-client="main-street-fitness"] {
  --color-background: #0a0908;
  --color-surface: #151110;
  --color-text: #f5f2f0;
  --color-muted: #a89f9a;
  --color-primary: #c8102e;
  --color-secondary: #8c3a2e;
  --color-accent: #e23a50;
  --color-border: #2a211f;
  --font-display: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-body: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}