:root {
  color-scheme: light;
  --ink: oklch(24% 0.035 57);
  --ink-soft: oklch(42% 0.035 63);
  --parchment: oklch(95% 0.035 83);
  --parchment-deep: oklch(89% 0.055 78);
  --forest: oklch(25% 0.055 153);
  --forest-deep: oklch(16% 0.035 157);
  --ember: oklch(66% 0.14 55);
  --line: oklch(72% 0.07 72);
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1.5rem;
  --space-lg: 3rem;
  --space-xl: 6rem;
  --body: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  --display: Athelas, Cochin, Georgia, serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--parchment);
  color: var(--ink);
  font-family: var(--body);
  font-size: 1rem;
  line-height: 1.65;
  font-kerning: normal;
}

a { color: inherit; }

a:focus-visible {
  outline: 3px solid var(--ember);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: var(--space-sm);
  left: var(--space-sm);
  z-index: 10;
  transform: translateY(-150%);
  background: var(--parchment);
  padding: var(--space-sm) var(--space-md);
}

.skip-link:focus { transform: translateY(0); }

.masthead {
  position: relative;
  overflow: hidden;
  min-height: 24rem;
  padding: max(2rem, env(safe-area-inset-top)) max(1.25rem, env(safe-area-inset-right)) 4rem max(1.25rem, env(safe-area-inset-left));
  background-color: var(--forest-deep);
  color: var(--parchment);
}

.masthead::before,
.masthead::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.masthead::before {
  inset: 0;
  background-image:
    radial-gradient(circle at 19% 24%, oklch(84% 0.11 77) 0 1px, transparent 2px),
    radial-gradient(circle at 77% 31%, oklch(84% 0.11 77) 0 1px, transparent 2px),
    radial-gradient(circle at 64% 72%, oklch(84% 0.11 77) 0 1px, transparent 2px),
    radial-gradient(circle at 34% 81%, oklch(84% 0.11 77) 0 1px, transparent 2px);
  opacity: 0.75;
}

.masthead::after {
  width: 28rem;
  height: 28rem;
  right: -12rem;
  bottom: -19rem;
  border: 1px solid oklch(72% 0.08 80);
  border-radius: 50%;
  box-shadow: 0 0 0 3rem var(--forest-deep), 0 0 0 3.05rem oklch(72% 0.08 80), 0 0 0 7rem var(--forest-deep), 0 0 0 7.05rem oklch(72% 0.08 80);
  opacity: 0.45;
}

.nav,
.hero,
.page,
.footer-inner {
  width: min(68rem, 100%);
  margin-inline: auto;
}

.nav {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.wordmark {
  font-family: var(--display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-decoration: none;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.nav-links a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--parchment-deep);
  text-decoration-color: var(--ember);
  text-underline-offset: 0.3rem;
}

.hero {
  position: relative;
  z-index: 1;
  padding-top: var(--space-xl);
}

.eyebrow {
  margin: 0 0 var(--space-md);
  color: oklch(82% 0.11 73);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1, h2 {
  font-family: var(--display);
  font-weight: 600;
  letter-spacing: -0.025em;
}

h1 {
  max-width: 11ch;
  margin: 0;
  font-size: clamp(3.1rem, 9vw, 6.4rem);
  line-height: 0.92;
}

.hero-copy {
  max-width: 39rem;
  margin: var(--space-md) 0 0 clamp(0rem, 12vw, 8rem);
  color: var(--parchment-deep);
  font-family: var(--display);
  font-size: clamp(1.15rem, 3vw, 1.5rem);
  line-height: 1.45;
}

.page {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-lg);
  padding: var(--space-xl) max(1.25rem, env(safe-area-inset-right)) var(--space-xl) max(1.25rem, env(safe-area-inset-left));
}

.measure { max-width: 65ch; }

.intro {
  font-family: var(--display);
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  line-height: 1.5;
}

.section {
  padding-top: var(--space-lg);
  border-top: 1px solid var(--line);
}

.section h2 {
  margin: 0 0 var(--space-sm);
  font-size: clamp(1.55rem, 3vw, 2.15rem);
  line-height: 1.2;
}

.section p,
.section ul { margin: var(--space-sm) 0 0; }

.section li + li { margin-top: var(--space-xs); }

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.action {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  padding: 0.65rem 1rem;
  border: 1px solid var(--forest);
  background: var(--forest);
  color: var(--parchment);
  font-weight: 700;
  text-decoration: none;
}

.action.secondary {
  background: transparent;
  color: var(--forest);
}

@media (hover: hover) {
  .action { transition: transform 180ms cubic-bezier(.22,1,.36,1), background-color 180ms ease; }
  .action:hover { transform: translateY(-2px); background: var(--forest-deep); }
  .action.secondary:hover { color: var(--parchment); }
}

.meta {
  color: var(--ink-soft);
  font-size: 0.875rem;
}

footer {
  padding: var(--space-lg) max(1.25rem, env(safe-area-inset-right)) max(var(--space-lg), env(safe-area-inset-bottom)) max(1.25rem, env(safe-area-inset-left));
  background: var(--parchment-deep);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-md);
}

.footer-inner p { margin: 0; }

@media (min-width: 48rem) {
  .page { grid-template-columns: minmax(13rem, 0.55fr) minmax(0, 1fr); }
  .page > header { position: sticky; top: var(--space-lg); align-self: start; }
  .page > .measure { grid-column: 2; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .action { transition: none; }
}