/* ============================================================
   Base reset + typography. Mobile-first.
   ============================================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  font-variation-settings: "wdth" 100, "opsz" 36;
  line-height: var(--lh-snug);
  letter-spacing: var(--tracking-tight);
  margin: 0 0 var(--space-sm);
  color: var(--color-text);
}

h1 { font-size: var(--fs-h1); line-height: var(--lh-tight); letter-spacing: var(--tracking-display); }
h2 { font-size: var(--fs-h2); line-height: 1.08;            letter-spacing: var(--tracking-display); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: 1.125rem; }

p { margin: 0 0 var(--space-sm); }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s var(--ease-out);
}
a:hover,
a:focus { color: var(--color-primary-dark); }

img, picture, video, svg {
  max-width: 100%;
  height: auto;
  display: block;
}

ul, ol { padding-left: 1.25rem; margin: 0 0 var(--space-sm); }

small { font-size: var(--fs-small); }

hr {
  border: 0;
  border-top: 1px solid var(--color-line);
  margin: var(--space-md) 0;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

::selection {
  background: var(--color-accent);
  color: #fff;
}

/* Utility primitives */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  color: var(--color-muted);
  font-weight: 500;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 1px;
  background: currentColor;
  display: inline-block;
}

.mono { font-family: var(--font-mono); font-feature-settings: "tnum"; }

/* Reduced motion safety */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}