/* ==========================================================================
   FettyAdult — Base
   Reset, typography, layout primitives, accessibility.
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-ink);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input, select, textarea { font: inherit; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4, p, figure { margin: 0; }

/* ---- Headings: display serif carries the brand voice ---- */
h1, h2, h3, .font-display {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: var(--lh-tight);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.25rem, 4vw + 1rem, var(--fs-4xl)); }
h2 { font-size: clamp(1.75rem, 2.4vw + 1rem, var(--fs-2xl)); }
h3 { font-size: var(--fs-lg); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--c-red);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--c-red);
  display: inline-block;
}

.text-muted { color: var(--c-ink-muted); }
.text-faint { color: var(--c-ink-faint); }

/* ---- Focus visibility (accessibility) ---- */
:focus-visible {
  outline: 2px solid var(--c-silver);
  outline-offset: 3px;
  border-radius: 2px;
}
a:focus:not(:focus-visible),
button:focus:not(:focus-visible) { outline: none; }

/* ---- Skip link ---- */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--c-red);
  color: #fff;
  padding: var(--sp-2) var(--sp-4);
  z-index: 1000;
}
.skip-link:focus { left: var(--sp-4); top: var(--sp-4); }

/* ---- Layout primitives ---- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section { padding-block: var(--sp-9); }
.section--tight { padding-block: var(--sp-7); }

.grid {
  display: grid;
  gap: var(--sp-6);
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.flex { display: flex; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-col { flex-direction: column; }
.gap-2 { gap: var(--sp-2); }
.gap-3 { gap: var(--sp-3); }
.gap-4 { gap: var(--sp-4); }

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

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--sp-5);
  margin-bottom: var(--sp-6);
  flex-wrap: wrap;
}

/* ---- Responsive grid breakpoints ---- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .section { padding-block: var(--sp-7); }
}