/* Perge site styles. Every colour is a token on :root; the light scheme overrides the tokens. */
:root {
  color-scheme: dark light;
  --ink: #212423;          /* charcoal: base in dark mode, text on coloured bands */
  --white: #ffffff;
  --hero-top: #141a18;
  --lime: #285238;         /* brand green (user choice 2026-10-21); white text goes on it */
  --lime-hover: #336a48;
  --lime-card: #2f6042;
  --green-tint: #8fcfa8;   /* readable tint of the brand green for text on dark surfaces */
  --on-green: #ffffff;     /* text on brand-green surfaces */
  --peach: #f6cba4;
  --peach-card: #edbd91;
  --dark: #2e3130;
  --grey: #dbdbd7;
  --light: #f5f5f5;

  --base: var(--ink);
  --base-text: var(--white);
  --hero-bottom: var(--ink);
  --accent-text: var(--green-tint); /* green copy, links, current nav link on the dark base */
  --surface: var(--dark);          /* cards sitting on the base */
  --surface-text: var(--white);
  --nav-bg: var(--dark);
  --nav-text: var(--white);
  --nav-current: var(--green-tint);
  --nav-shadow: none;
  --line: rgba(255, 255, 255, 0.18);
  --focus: var(--green-tint);

  --font: system-ui, -apple-system, "Segoe UI", Helvetica, Arial, sans-serif;
  --max: 72rem;
  --pad-x: 1rem;
  --pad-y: 4rem;
}

@media (prefers-color-scheme: light) {
  :root {
    --base: var(--light);
    --base-text: var(--ink);
    --hero-top: #e4e7e1;
    --hero-bottom: var(--light);
    --accent-text: var(--lime);
    --surface: var(--white);
    --surface-text: var(--ink);
    --nav-bg: var(--white);
    --nav-text: var(--ink);
    --nav-current: var(--lime);
    --nav-shadow: 0 0.5rem 1.5rem rgba(33, 36, 35, 0.14);
    --line: rgba(33, 36, 35, 0.22);
    --focus: var(--lime);
  }
}

@media (min-width: 48rem) {
  :root { --pad-x: 1.5rem; --pad-y: 6.25rem; }
}

/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--base);
  color: var(--base-text);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.5;
  overflow-wrap: break-word;
}
a { color: var(--accent-text); text-underline-offset: 0.18em; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 4px; }
p, ul, ol { margin: 0 0 1rem; }
svg { display: block; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad-x); }
.prose { max-width: 40rem; }
.skip-link { position: absolute; left: -9999px; top: 0; }
.skip-link:focus { left: 1rem; top: 1rem; z-index: 10; background: var(--lime); color: var(--on-green); padding: 0.5rem 1rem; }

/* Type */
h1, h2, h3, h4 { font-weight: 700; text-transform: uppercase; line-height: 1.05; letter-spacing: -0.01em; margin: 0 0 1.25rem; }
h1 { font-size: clamp(2.4rem, 7vw, 3.4rem); }
h2 { font-size: clamp(2.2rem, 6vw, 4.1rem); }
h3 { font-size: clamp(1.75rem, 4.5vw, 3.4rem); }
h4 { font-size: 1.5rem; font-weight: 500; }
.jumbo { font-size: clamp(2.6rem, 10vw, 6.9rem); line-height: 0.98; max-width: 14ch; margin-left: auto; margin-right: auto; }
.eyebrow { font-size: 1em; font-weight: 400; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 1rem; }
.sub { font-size: 1.125em; font-weight: 500; text-transform: uppercase; }
.lede { font-size: 1.25rem; max-width: 60ch; }
.small { font-size: 0.875rem; font-weight: 400; margin-top: 1.5rem; }

/* Nav pill */
.site-header { position: sticky; top: 0.75rem; z-index: 5; padding: 0.75rem var(--pad-x) 0; }
.nav {
  max-width: var(--max); margin: 0 auto;
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 1rem;
  background: var(--nav-bg); color: var(--nav-text); box-shadow: var(--nav-shadow);
  border-radius: 60rem; padding: 0.5rem 0.5rem 0.5rem 1.25rem;
}
.wordmark { font-size: 1.375rem; font-weight: 700; color: inherit; text-decoration: none; letter-spacing: -0.01em; }
.nav ul { order: 3; flex-basis: 100%; list-style: none; margin: 0; padding: 0 0 0.25rem; display: flex; flex-wrap: wrap; gap: 0.25rem 1rem; font-size: 0.875rem; }
.nav ul a { color: var(--nav-text); text-decoration: none; font-weight: 500; }
.nav ul a:hover, .nav ul a[aria-current="page"] { color: var(--nav-current); }
.nav .btn { margin-left: auto; padding: 0.6rem 1.1rem; font-size: 0.875rem; }
@media (min-width: 60rem) {
  .nav { flex-wrap: nowrap; }
  .nav ul { order: 0; flex-basis: auto; margin-left: auto; padding: 0; font-size: 1rem; gap: 1.75rem; }
  .nav .btn { margin-left: 1rem; }
}
@media (max-width: 47.99rem) { .nav { border-radius: 1.5rem; } }

/* Buttons */
.btn {
  display: inline-block; border-radius: 10rem; padding: 1.1rem 2rem;
  font: inherit; font-weight: 700; text-decoration: none; line-height: 1.2;
  background: var(--lime); color: var(--on-green);
  transition: background-color 0.2s, color 0.2s, box-shadow 0.2s;
}
.btn:hover { background: var(--white); color: var(--ink); }
.btn--secondary { background: var(--light); }
.btn--outline { background: transparent; color: var(--base-text); box-shadow: inset 0 0 0 2px var(--accent-text); }
.btn--outline:hover { background: var(--white); color: var(--ink); box-shadow: inset 0 0 0 2px var(--white); }
.btn--outline-dark { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 2px var(--ink); }
.btn--outline-dark:hover { background: var(--white); }
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 2rem; }
.center .actions { justify-content: center; }

/* Bands */
.band { padding: var(--pad-y) 0; }
.band--hero { background: linear-gradient(180deg, var(--hero-top), var(--hero-bottom)); padding-top: calc(var(--pad-y) + 2rem); }
.band--short { padding: calc(var(--pad-y) * 0.6) 0 calc(var(--pad-y) * 0.4); }
.band--lime { background: var(--lime); color: var(--on-green); }
.band--peach { background: var(--peach); color: var(--ink); }
.band--grey { background: var(--grey); color: var(--ink); }
.band--dark { background: var(--dark); color: var(--white); }
.band--dark h2, .band--dark h3, .band--dark .eyebrow, .band--dark a { color: var(--green-tint); }
.band--lime a { color: var(--on-green); }
.band--lime .btn--outline-dark { color: var(--on-green); box-shadow: inset 0 0 0 2px var(--on-green); }
.band--lime .btn--outline-dark:hover { color: var(--ink); }
.band--peach a, .band--grey a { color: var(--ink); }
.lime-copy, .lime-copy a { color: var(--accent-text); }
.center { text-align: center; }
.center .lede { margin-left: auto; margin-right: auto; }

/* Audience pills */
.pills { list-style: none; padding: 0; margin: 2rem 0 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; }
.pills li { border-radius: 10rem; padding: 0.4rem 0.9rem; font-size: 0.875rem; font-weight: 400; box-shadow: inset 0 0 0 1px var(--line); }

/* Cards */
.cards { list-style: none; padding: 0; margin: 2.5rem 0 0; display: flex; flex-wrap: wrap; gap: 1.25rem; }
.card {
  flex: 1 1 17rem; border-radius: 1.5rem 1.5rem 0; padding: 2.25rem 1.75rem 2.75rem;
  background: var(--surface); color: var(--surface-text);
}
.card h3, .card h4 { font-size: 1.5rem; line-height: 1.1; margin-bottom: 0.75rem; }
.card p:last-child { margin-bottom: 0; }
.card .glyph { width: 3rem; height: 3rem; margin-bottom: 1.5rem; color: var(--accent-text); }
.card .step { font-size: 0.875rem; font-weight: 700; letter-spacing: 0.05em; margin-bottom: 0.5rem; color: var(--accent-text); }
.card--dark { background: var(--ink); color: var(--white); }
.card--dark .glyph, .card--dark h3, .card--dark .step { color: var(--green-tint); }
.card--green { background: var(--lime-card); color: var(--on-green); }
.card--pastel { background: var(--peach-card); color: var(--ink); }
.card--pastel .glyph, .card--green .glyph { color: var(--ink); }
.card--outline { background: transparent; color: var(--base-text); border-radius: 1.5rem; box-shadow: inset 0 0 0 1px var(--accent-text); }
.faq { flex-direction: column; margin-top: 1.5rem; }
.faq .card { flex: none; padding: 1.75rem 1.5rem; }
.faq h3 { font-size: 1.25rem; }

/* Stat band */
.stats { display: grid; gap: 2.5rem; grid-template-columns: 1fr; margin: 0; }
@media (min-width: 48rem) { .stats { grid-template-columns: repeat(3, 1fr); } }
.stat dt { font-size: clamp(3rem, 9vw, 5.5rem); font-weight: 700; text-transform: uppercase; line-height: 1; margin-bottom: 0.75rem; }
.stat dd { margin: 0; font-size: 1.125rem; max-width: 22rem; }
.bar { width: 100%; max-width: 40rem; height: 1.5rem; margin: 3rem 0 0; color: var(--ink); }
.bar .fill { transform-origin: left; animation: grow 2.4s ease-out both; }
@keyframes grow { from { transform: scaleX(0.05); } to { transform: scaleX(1); } }

/* Two columns */
.cols { display: grid; gap: 1.5rem 3rem; grid-template-columns: 1fr; margin-top: 2rem; }
@media (min-width: 48rem) { .cols { grid-template-columns: 1fr 1fr; } }
.cols p { font-size: 1.125rem; max-width: 60ch; }

/* Export band */
.export { display: flex; flex-wrap: wrap; align-items: center; gap: 2rem; }
.export .glyph { width: 5rem; height: 5rem; color: var(--green-tint); flex: none; }
.export > div { flex: 1 1 20rem; }

/* Legal and support pages */
.page { padding: 2rem 0 var(--pad-y); }
.page h2 { font-size: 1.5rem; line-height: 1.15; margin: 2.5rem 0 0.75rem; }
.page ul:not(.cards) { padding-left: 1.25rem; }
.page li + li { margin-top: 0.4rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 3rem 0; }
.site-footer .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 2rem; }
.site-footer nav ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 0.25rem 1.5rem; }
.site-footer a { color: var(--base-text); }
.site-footer p { margin: 0; }
.site-footer .top { margin-left: auto; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}