/* Skip link (a11y) */
.skip-link {
  position: absolute;
  left: var(--space-4, 1rem);
  top: 0;
  z-index: 1000;
  padding: 0.65rem 1rem;
  background: var(--color-ink, #121416);
  color: var(--color-paper, #fff);
  border-radius: 0 0 0.4rem 0.4rem;
  font-size: var(--text-sm, 0.875rem);
  font-weight: 600;
  text-decoration: none;
  transform: translateY(-120%);
  transition: transform 0.15s ease;
}
.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
  color: var(--color-paper, #fff);
  box-shadow: var(--focus-ring);
}

/* Base - reset, typography, elements (dark navy) */

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-ink);
  background: var(--color-paper);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-cyan-soft);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}
a:hover { color: var(--color-cyan); }

:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 650;
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin: 0 0 var(--space-4);
  color: var(--color-ink);
}

h1 { font-size: var(--text-4xl); font-weight: 700; }
h2 { font-size: var(--text-3xl); font-weight: 650; }
h3 { font-size: var(--text-xl); font-weight: 600; }
h4 { font-size: var(--text-lg); font-weight: 600; }

p { margin: 0 0 var(--space-4); }
p:last-child { margin-bottom: 0; }

.lede {
  font-size: var(--text-lg);
  color: var(--color-muted);
  line-height: 1.55;
  max-width: 36em;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: var(--space-3);
}

.muted { color: var(--color-muted); }
.small { font-size: var(--text-sm); }

ul, ol { margin: 0 0 var(--space-4); padding-left: 1.25em; }

strong { font-weight: 650; }

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: var(--space-7) 0;
}

::selection {
  background: rgba(0, 255, 209, 0.28);
  color: var(--color-ink);
}