/* =====================================================================
   Tiny Summits · Base styles (reset, typography, focus, utilities)
   Requires tokens.css
   ===================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "tnum" 0;
}

img, svg, video { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:where(button:disabled, [aria-disabled="true"]) { cursor: not-allowed; }

/* ---------- Typography ---------- */
h1, h2, h3, h4 { margin: 0; line-height: var(--leading-snug); }

.display, h1.display {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-3xl);
  line-height: var(--leading-tight);
  letter-spacing: -0.01em;
}
.display em, .title em, .h-page em { font-style: italic; }

.h-page {                     /* page titles */
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-2xl);
  line-height: var(--leading-tight);
}
.title {                      /* section / card titles in serif */
  font-family: var(--font-display);
  font-weight: 400;
  font-size: var(--text-xl);
  line-height: var(--leading-tight);
}
.h-section {
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
}
.eyebrow {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.meta { font-size: var(--text-sm); color: var(--ink-2); }
.num { font-variant-numeric: tabular-nums; }
.quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-lg);
  line-height: var(--leading-snug);
}
p { margin: 0 0 var(--space-3); }
p:last-child { margin-bottom: 0; }
a { color: var(--primary); text-underline-offset: 3px; }
a:hover { color: var(--primary-hover); }

kbd {
  display: inline-block;
  min-width: 1.6em;
  padding: 1px 6px;
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  text-align: center;
  color: var(--ink-2);
  background: var(--surface);
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- Focus ---------- */
:focus { outline: none; }
:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- Selection ---------- */
::selection { background: var(--blush); color: var(--ink); }

/* ---------- Utilities ---------- */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: var(--space-4); top: -100px; z-index: 1000;
  padding: var(--space-2) var(--space-4);
  background: var(--primary); color: var(--on-primary);
  border-radius: var(--radius-md); font-weight: var(--weight-semibold);
  text-decoration: none;
}
.skip-link:focus { top: var(--space-4); }

.stack { display: flex; flex-direction: column; gap: var(--stack-gap, var(--space-4)); }
.cluster { display: flex; flex-wrap: wrap; align-items: center; gap: var(--cluster-gap, var(--space-3)); }
.spread { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.grid-auto { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fill, minmax(var(--min, 240px), 1fr)); }
.muted { color: var(--ink-2); }
.hidden { display: none !important; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
:root[data-motion="reduced"] *, :root[data-motion="reduced"] *::before, :root[data-motion="reduced"] *::after {
  animation-duration: 0.01ms !important;
  animation-iteration-count: 1 !important;
  transition-duration: 0.01ms !important;
}