/* ============================================================
   Base / Reset
   ============================================================ */

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

* { margin: 0; }

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

body {
  font-family: var(--font);
  font-size: var(--fs-base);
  line-height: var(--lh-normal);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100vh;
}

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

input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  background: none;
  border: 0;
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol { list-style: none; }

h1, h2, h3, h4 {
  line-height: var(--lh-tight);
  font-weight: var(--fw-bold);
  letter-spacing: -0.015em;
}

:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: 4px;
}

::selection {
  background: var(--brand-100);
  color: var(--brand-ink);
}

/* Scrollbar (desktop) */
@media (pointer: fine) {
  ::-webkit-scrollbar { width: 10px; height: 10px; }
  ::-webkit-scrollbar-track { background: transparent; }
  ::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: var(--r-pill);
    border: 3px solid var(--bg);
  }
  ::-webkit-scrollbar-thumb:hover { background: var(--text-3); }
}

/* Utilities */
.sr-only {
  position: absolute;
  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(--sp-4);
  top: -100px;
  z-index: var(--z-toast);
  padding: var(--sp-3) var(--sp-4);
  background: var(--brand);
  color: var(--text-on-brand);
  border-radius: var(--r-sm);
  font-weight: var(--fw-semibold);
  transition: top var(--dur) var(--ease);
}
.skip-link:focus { top: var(--sp-4); }

.no-scroll { overflow: hidden; }