/* ==========================================================================
   RailsPress Documentation - Base Styles
   ==========================================================================
   Reset, typography foundation, and accessibility primitives.
   All values reference --rp-* variables from variables.css.
   ========================================================================== */

/* -----------------------------------------------------------------------
   Google Fonts
   ----------------------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:wght@400;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--rp-font-body);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--rp-text);
  background: var(--rp-bg);
  transition: background var(--rp-transition-base), color var(--rp-transition-base);
}

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

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

/* -----------------------------------------------------------------------
   Accessibility
   ----------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--rp-space-md);
  z-index: 1000;
  padding: var(--rp-space-sm) var(--rp-space-md);
  background: var(--rp-primary);
  color: #ffffff;
  border-radius: var(--rp-radius);
  font-weight: 600;
  transition: top var(--rp-transition-fast);
}

.skip-link:focus {
  top: var(--rp-space-sm);
}

:focus-visible {
  outline: 2px solid var(--rp-primary);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

.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;
}

/* -----------------------------------------------------------------------
   Reduced Motion
   ----------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  html {
    scroll-behavior: auto;
  }
}