/* ============================================================
   Base styles — typography + color applied site-wide
   Detailed layout/section styles added in subsequent steps
   ============================================================ */

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 400;
  line-height: var(--leading-normal);
  letter-spacing: var(--tracking-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Headings ── */
h1, h2, h3 {
  font-family: var(--font-heading);
  color: var(--color-text);
  line-height: var(--leading-normal);
}

h1 {
  font-size: var(--text-hero);
  font-weight: 500;
  letter-spacing: var(--tracking-hero);
}

h2 {
  font-size: var(--text-hero);
  font-weight: 500;
  letter-spacing: var(--tracking-hero);
}

h3 {
  font-size: var(--text-proj-lg);
  font-weight: 700;
  letter-spacing: var(--tracking-proj-lg);
}

/* ── Links ── */
a {
  color: inherit;
  text-decoration: none;
  transition: opacity 0.15s ease;
}

a:hover {
  opacity: 0.7;
}

/* ── Accent / emphasis ── */
em {
  font-style: italic;
  color: var(--color-accent);
  font-family: var(--font-body);
}

/* ── Tag pills ── */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border: var(--border-thin) solid var(--color-border);
  border-radius: var(--radius-tag);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: 400;
  letter-spacing: var(--tracking-body);
  color: var(--color-text);
  white-space: nowrap;
  background: var(--color-bg);
}

/* Muted variant (used on Creek.UI, Alum Connect, Medisync cards) */
.tag--muted {
  color: var(--color-text-muted);
  border-color: var(--color-border-muted);
}

/* ── Dot accent (16×16 scattered squares) ── */
.dot {
  display: inline-block;
  width: var(--dot-size);
  height: var(--dot-size);
  flex-shrink: 0;
}

.dot--orange  { background-color: var(--color-accent); }
.dot--yellow  { background-color: var(--color-accent-yellow); }
.dot--white   { background-color: var(--color-bg); }

/* ── Keyboard caption text ── */
.keyboard-caption {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-accent);
  letter-spacing: var(--tracking-sm);
  line-height: var(--leading-normal);
}

/* ── Muted text ── */
.text-muted {
  color: var(--color-text-muted);
}

/* ── Responsive base ── */
@media (max-width: 768px) {
  :root {
    --text-hero:    32px;
    --text-subline: 18px;
    --text-nav:     16px;
    --text-proj-lg: 24px;
    --text-proj-sm: 20px;
    --space-3xl:    24px;
  }
}