/* ==========================================================================
   BASE — reset, root layout, typography primitives
   ========================================================================== */

*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 120px;
  overflow-x: clip;            /* clip horizontal overflow without breaking sticky */
  scrollbar-color: var(--brand-500) transparent; /* Firefox */
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  transition: background-color var(--dur-mid) var(--ease-out),
              color var(--dur-mid) var(--ease-out);
}

img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: var(--lh-tight);
}
p { text-wrap: pretty; }

::selection { background: rgba(249, 115, 22, 0.22); color: var(--text); }

::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--brand-400), var(--brand-600));
  border-radius: 999px;
  border: 3px solid var(--bg);
}
::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, var(--brand-500), var(--brand-700)); }

:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: 3px;
  border-radius: 6px;
}

@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;
  }
}