/* ============================================================
   TSA — Base element defaults & helpers
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-ui);
  font-size: var(--text-body);
  line-height: var(--lh-relaxed);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Display headlines: IBM Plex Sans, bold, tight */
.tsa-display {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-display);
  color: var(--color-text-strong);
  text-wrap: balance;
}

/* H1-scale display headlines track tighter, leading = font size */
h1.tsa-display,
.tsa-display.tsa-h1 {
  letter-spacing: var(--tracking-h1);
  line-height: 1;
}

/* Eyebrow / section label: IBM Plex Sans, uppercase, tracked */
.tsa-eyebrow {
  font-family: var(--font-condensed);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: var(--tracking-label);
  color: var(--color-text-brand);
  font-size: var(--text-sm);
}

/* Editorial body: Museo (Adobe Typekit) */
.tsa-prose {
  font-family: var(--font-body);
  font-size: var(--text-body-lg);
  line-height: var(--lh-relaxed);
  color: var(--color-text);
}

a { color: var(--color-text-brand); text-decoration: none; }
a:hover { text-decoration: underline; }

::selection { background: var(--tsa-blue); color: var(--tsa-black); }