:root {
  --canvas: #FAF8F5;
  --surface: #FFFFFF;
  --surface-raised: #F0ECE6;
  --ink: #1D1B19;
  --ink-2: #57524C;   /* 7.4:1 on --canvas */
  --rule: #E2DDD5;
  --line: color-mix(in srgb, var(--ink) 12%, transparent);
  --line-strong: color-mix(in srgb, var(--ink) 22%, transparent);
  --link: #6B4A2E;    /* 7.6:1 on --canvas */
  --focus: #6B4A2E;

  /* Apple system fonts only. No web font: nothing blocks first render. */
  --font: system-ui, -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --font-serif: ui-serif, "New York", "Iowan Old Style", Georgia, serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --space: clamp(1.25rem, 4.5vw, 3rem);
  --measure: 38rem;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --canvas: #141312;
    --surface: #1D1C1A;
    --surface-raised: #262422;
    --ink: #F2EFEA;
    --ink-2: #B5AEA5;
    --rule: #34312D;
    --link: #D9B48F;
    --focus: #D9B48F;
    color-scheme: dark;
  }
}

:root[data-theme='dark'] {
  --canvas: #141312;
  --surface: #1D1C1A;
  --surface-raised: #262422;
  --ink: #F2EFEA;
  --ink-2: #B5AEA5;
  --rule: #34312D;
  --link: #D9B48F;
  --focus: #D9B48F;
  color-scheme: dark;
}

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

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

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--link);
  text-underline-offset: 0.18em;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}

/* Header: brand, nav, actions */
.site-top {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  width: min(100% - 2 * var(--space), 72rem);
  margin: 0 auto;
  padding: 1rem 0;
  border-bottom: 1px solid var(--rule);
}

.brand-word {
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.site-nav {
  display: flex;
  justify-content: flex-end;
  gap: 1.25rem;
}

.site-nav a {
  color: var(--ink-2);
  font-size: 0.95rem;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current='page'] {
  color: var(--ink);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Main */
.page {
  flex: 1;
  width: min(100% - 2 * var(--space), 72rem);
  margin: 0 auto;
  padding: clamp(3rem, 10vw, 7rem) 0;
}

.doc {
  max-width: var(--measure);
}

.doc h1 {
  margin: 0 0 1rem;
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 6vw, 3.25rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.doc p {
  margin: 0 0 1rem;
  color: var(--ink-2);
  text-wrap: pretty;
}

.content-updated {
  margin: 0 0 1.5rem;
  color: var(--ink-2);
  font-size: 0.85rem;
}

/* Footer */
.foot {
  width: min(100% - 2 * var(--space), 72rem);
  margin: 0 auto;
  padding: 2rem 0 2.5rem;
  border-top: 1px solid var(--rule);
}

.foot-brand {
  display: inline-block;
  color: var(--ink);
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
}

.foot-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.6rem 1.5rem;
  margin-top: 1rem;
}

.foot-copy {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.85rem;
}

.foot-legal ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.foot-legal a {
  color: var(--ink-2);
  font-size: 0.85rem;
  text-decoration: none;
}

.foot-legal a:hover {
  color: var(--ink);
  text-decoration: underline;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}