/* ============================================================
   base.css — reset + elemental typography
   ============================================================ */

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

* { margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  overflow-x: hidden;
}

img, svg, canvas { display: block; max-width: 100%; }

a { color: var(--blue); text-decoration: none; }

/* --- headings (Space Grotesk, tight tracking) --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
}
h1 { font-size: var(--step-5); font-weight: 700; }
h2 { font-size: var(--step-4); }
h3 { font-size: var(--step-3); }
h4 { font-size: var(--step-2); }

p { line-height: 1.65; }

/* --- mono utility --- */
.mono, code, kbd, samp {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

/* --- selection (gold) --- */
::selection {
  background: var(--gold-bright);
  color: var(--ink);
}

/* --- focus-visible --- */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  border-radius: 2px;
}