/* Reset + typography + utilities */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
  transition: background-color .35s var(--ease), color .35s var(--ease);
}

h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; color: var(--text); }
h1 { font-size: clamp(1.55rem, 1.2rem + 1.6vw, 2.1rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.25rem, 1.05rem + 0.9vw, 1.6rem); }
h3 { font-size: 1.05rem; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: var(--primary-ink); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
button { font: inherit; color: inherit; cursor: pointer; }
img, svg, canvas { max-width: 100%; }
hr { border: 0; border-top: 1px solid var(--border); margin: 0; }
strong { font-weight: 700; }
small { font-size: .86em; }

:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: var(--radius-xs);
}

::selection { background: var(--primary); color: var(--on-primary); }

/* Scrollbars (subtle) */
* { scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 8px; left: 8px;
  z-index: 1000;
  padding: 10px 16px;
  background: var(--primary);
  color: var(--on-primary);
  border-radius: var(--radius-sm);
  font-weight: 600;
  transform: translateY(-200%);
  transition: transform .2s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

.noscript { padding: 24px; text-align: center; background: var(--warning-soft); color: var(--warning); }

/* Utilities */
.muted { color: var(--text-muted); }
.text-2 { color: var(--text-2); }
.pos { color: var(--success); }
.neg { color: var(--danger); }
.num { font-variant-numeric: tabular-nums; }
.nowrap { white-space: nowrap; }
.hide, [hidden] { display: none !important; }
.center { text-align: center; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.stack { display: flex; flex-direction: column; gap: var(--gap, 16px); }
.row { display: flex; align-items: center; gap: var(--gap, 12px); }
.row-wrap { flex-wrap: wrap; }
.spacer { flex: 1 1 auto; }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; } .mt-4 { margin-top: 32px; }

.icon { width: 1.25em; height: 1.25em; flex: none; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* Entrance animations */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pop {
  from { opacity: 0; transform: translateY(8px) scale(.98); }
  to   { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }
}