/* ==========================================================================
   Base: reset, typography, focus, motion preferences
   ========================================================================== */

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

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

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--t-md);
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* A soft ambient wash behind everything — calm, never distracting */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(60rem 38rem at 88% -8%, var(--ambient-1), transparent 62%),
    radial-gradient(48rem 34rem at -8% 22%, var(--ambient-2), transparent 58%);
}

body.modal-open {
  overflow: hidden;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.012em;
  text-wrap: balance;
}

p { margin: 0; text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; }
button { font: inherit; color: inherit; }
img, svg { display: block; max-width: 100%; }
textarea, input, select { font: inherit; color: inherit; }

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

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 6px;
}

.sr-only {
  position: absolute;
  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: 200;
  padding: 10px 16px;
  border-radius: var(--r-pill);
  background: var(--primary);
  color: var(--on-primary);
  text-decoration: none;
  font-weight: 600;
  transform: translateY(-200%);
  transition: transform 0.2s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

.muted { color: var(--ink-2); }
.small { font-size: var(--t-sm); }
.xs { font-size: var(--t-xs); }

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

@keyframes fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.page { animation: rise 0.55s var(--ease) both; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}
