/* ==========================================================================
   Base: fonts, reset, element defaults
   ========================================================================== */

@font-face {
  font-family: "Lato";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/lato/lato-latin-400-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Lato";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/lato/lato-latin-400-italic.woff2") format("woff2");
}
@font-face {
  font-family: "Lato";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/lato/lato-latin-700-normal.woff2") format("woff2");
}

/* Display and data faces (OFL). Browsers download them only on pages that use them. */
@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/plus-jakarta-sans/plus-jakarta-sans-latin-600-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("../fonts/plus-jakarta-sans/plus-jakarta-sans-latin-700-normal.woff2") format("woff2");
}
@font-face {
  font-family: "Plus Jakarta Sans";
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url("../fonts/plus-jakarta-sans/plus-jakarta-sans-latin-800-normal.woff2") format("woff2");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("../fonts/jetbrains-mono/jetbrains-mono-latin-400-normal.woff2") format("woff2");
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("../fonts/jetbrains-mono/jetbrains-mono-latin-600-normal.woff2") format("woff2");
}

/* Metric-matched fallback so text doesn't reflow when Lato arrives (avoids layout shift) */
@font-face {
  font-family: "Lato Fallback";
  src: local("Arial"), local("Helvetica"), local("Liberation Sans");
  size-adjust: 97.38%;
  ascent-override: 101.36%;
  descent-override: 21.87%;
  line-gap-override: 0%;
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-height) + var(--space-4));
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: var(--step-0);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background: var(--color-bg);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  color: var(--color-heading);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  text-wrap: balance;
}

h1 { font-size: var(--step-5); }
h2 { font-size: var(--step-4); }
h3 { font-size: var(--step-1); font-weight: var(--weight-bold); line-height: var(--leading-snug); letter-spacing: 0; }
h4 { font-size: var(--step-0); font-weight: var(--weight-bold); letter-spacing: 0; }

p, ul, ol, dl, figure, blockquote { margin: 0; }
p { text-wrap: pretty; }

/* :where() keeps this reset at zero specificity so component classes can set their own padding */
:where(ul[role="list"], ol[role="list"]) { list-style: none; padding: 0; }

a {
  color: var(--color-link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color var(--duration-fast) ease;
}
a:hover { color: var(--color-link-hover); }

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

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

button { cursor: pointer; }

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

::selection {
  background: var(--xp-primary-tint-strong);
  color: var(--color-text-strong);
}

strong, b { font-weight: var(--weight-bold); }

address { font-style: normal; }

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: var(--space-8) 0;
}

[hidden] { display: none !important; }

/* Skip-link target: focusable for screen readers, no visible ring */
main:focus { outline: none; }