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

* { margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 2rem);
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-synthesis-weight: none;
  overflow-x: hidden;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

body.is-locked { overflow: hidden; }

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

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

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

ul, ol { list-style: none; }

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

::selection { background: var(--accent); color: var(--accent-contrast); }

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

/* --------------------------------------------------------------------------
   Headings
   -------------------------------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-xl); }
h4 { font-size: var(--fs-lg); }

p { text-wrap: pretty; }

/* --------------------------------------------------------------------------
   Type utilities
   -------------------------------------------------------------------------- */
.display     { font-family: var(--font-display); font-weight: 600; line-height: 1.02; letter-spacing: -0.01em; }
.display-xl  { font-size: var(--fs-4xl); }
.display-lg  { font-size: var(--fs-3xl); }

.lead {
  font-size: var(--fs-md);
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 58ch;
}

.muted   { color: var(--text-muted); }
.accent  { color: var(--accent); }
.italic  { font-style: italic; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 500;
  margin-left: 15px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--accent);
  flex: none;
}
.eyebrow.no-rule::before { display: none; }

.balance { text-wrap: balance; }

/* --------------------------------------------------------------------------
   Layout utilities
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container-narrow { max-width: 880px; }
.container-text   { max-width: var(--container-text); }

.section { padding-block: var(--section-y); }
.section-sm { padding-block: clamp(3rem, 6vw, 5rem); }
.section-alt { background: var(--bg-alt); }

.section-head {
  display: grid;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
  max-width: 760px;
}

.split-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: end;
  margin-bottom: var(--space-8);
}
@media (min-width: 860px) {
  .split-head { grid-template-columns: 1.2fr 1fr; gap: var(--space-7); }
  .split-head > :last-child { justify-self: end; text-align: right; }
}

.grid { display: grid; gap: var(--space-6); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }

.stack   { display: grid; gap: var(--space-4); }
.stack-lg{ display: grid; gap: var(--space-6); }
.row     { display: flex; flex-wrap: wrap; gap: var(--space-4); align-items: center; }

.rule { height: 1px; background: var(--line); border: 0; }

.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: fixed; top: var(--space-3); left: var(--space-3);
  z-index: 999; padding: .7rem 1.1rem;
  background: var(--text); color: var(--bg);
  border-radius: var(--r-md); font-size: var(--fs-sm); font-weight: 500;
  transform: translateY(-200%);
  transition: transform var(--dur-fast) var(--ease);
}
.skip-link:focus { transform: translateY(0); }

/* --------------------------------------------------------------------------
   Page hero (shared by all interior pages)
   -------------------------------------------------------------------------- */
.page-hero {
  padding-top: calc(var(--header-h) + clamp(3.5rem, 8vw, 7rem));
  padding-bottom: clamp(2.5rem, 5vw, 4.5rem);
  border-bottom: 1px solid var(--line);
  position: relative;
}
.page-hero__inner { display: grid; gap: var(--space-5); }
.page-hero__title { font-size: var(--fs-3xl); max-width: 16ch; }
.page-hero__meta {
  display: flex; flex-wrap: wrap; gap: var(--space-5);
  font-size: var(--fs-sm); color: var(--text-muted);
  padding-top: var(--space-4);
}
@media (min-width: 900px) {
  .page-hero__inner {
    grid-template-columns: 1.4fr 1fr;
    align-items: end;
    gap: var(--space-8);
  }
}

.breadcrumb {
  display: flex; gap: var(--space-2); align-items: center;
  font-family: var(--font-mono); font-size: var(--fs-xs);
  letter-spacing: .08em; text-transform: uppercase; color: var(--text-muted);
  margin-bottom: var(--space-2);
}
.breadcrumb a:hover { color: var(--accent); }