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

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

html {
  overflow-x: hidden;
}

body {
  margin: 0;
  overflow-x: hidden;
  font-family: var(--font-base);
  background: var(--page-bg);
  color: var(--gray-800);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--gray-900);
  line-height: 1.3;
  letter-spacing: -0.005em;
}

p { margin: 0 0 8px; }

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

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

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

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

/* Focus visibility for keyboard + touch accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* The `hidden` attribute must win over component display rules
   (e.g. .form-row's display:grid), or toggled sections never hide. */
[hidden] { display: none !important; }

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

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background-color: var(--gray-400); }
::-webkit-scrollbar-track { background: transparent; }