@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 200 900;
  font-display: swap;
  src: url("/fonts/sourceserif4-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Source Serif 4";
  font-style: normal;
  font-weight: 200 900;
  font-display: swap;
  src: url("/fonts/sourceserif4-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Hanken Grotesk";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/fonts/hanken-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Hanken Grotesk";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/fonts/hanken-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --paper: #f5f1e8;
  --paper-2: #ebe5d4;
  --card: #fbf9f4;
  --ink: #1f2a27;
  --muted: #55625d;
  --accent: #17695a;
  --accent-d: #0f4e43;
  --mark: #f0c75e;
  --deep: #133f37;
  --on-deep: #dfe9e4;
  --s1: 4px;
  --s2: 8px;
  --s3: 12px;
  --s4: 16px;
  --s5: 24px;
  --s6: 32px;
  --s7: 48px;
  --s8: 64px;
  --serif: "Source Serif 4", "Iowan Old Style", Georgia, serif;
  --sans: "Hanken Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --z-nav: 50;
  --radius: 14px;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 5.5rem;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
}

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

a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  background: var(--mark);
  color: var(--ink);
}

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

.skip {
  position: absolute;
  left: var(--s4);
  top: -4rem;
  padding: var(--s3) var(--s4);
  background: var(--ink);
  color: var(--paper);
  z-index: 300;
}

.skip:focus {
  top: var(--s2);
}

.wrap {
  width: 100%;
  max-width: 70rem;
  margin-inline: auto;
  padding-inline: var(--s4);
}

.bar {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: var(--paper);
  box-shadow: 0 6px 18px -14px rgba(31, 42, 39, 0.6);
}

.bar-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s4);
  min-height: 4rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--s3);
  color: var(--ink);
  text-decoration: none;
  min-height: 44px;
}

.brand:hover {
  background: none;
  color: var(--accent);
}

.mark {
  display: inline-grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 8px;
  background: var(--accent);
  color: var(--paper);
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.25rem;
  line-height: 1;
}

.brand-name {
  font-family: var(--serif);
  font-weight: 650;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.menu-btn {
  display: none;
  min-height: 44px;
  min-width: 44px;
  padding: 0 var(--s4);
  border: 0;
  border-radius: 999px;
  background: var(--paper-2);
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s1);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 var(--s4);
  border-radius: 999px;
  color: var(--ink);
  font-weight: 550;
  text-decoration: none;
  white-space: nowrap;
}

.site-nav a:hover {
  background: var(--paper-2);
  color: var(--ink);
}

.site-nav a[aria-current="page"] {
  background: var(--accent);
  color: #fff;
}

@media (max-width: 51.99rem) {
  .js .menu-btn {
    display: inline-flex;
    align-items: center;
  }
  .js .site-nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    padding: var(--s3) var(--s4) var(--s5);
    background: var(--paper);
    box-shadow: 0 18px 24px -18px rgba(31, 42, 39, 0.55);
  }
  .js .bar.is-open .site-nav {
    display: block;
  }
  .js .site-nav ul {
    flex-direction: column;
    gap: var(--s1);
  }
  .js .site-nav a {
    width: 100%;
    border-radius: 10px;
  }
  .bar-in {
    flex-wrap: wrap;
  }
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 650;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2rem, 1.3rem + 2.8vw, 3.4rem);
  font-weight: 700;
}

h2 {
  font-size: clamp(1.4rem, 1.15rem + 1vw, 1.9rem);
}

h3 {
  font-size: 1.2rem;
}

p,
ul,
ol {
  margin: 0 0 var(--s4);
}

.meta {
  margin: var(--s4) 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.dot {
  margin-inline: var(--s1);
}

.hero {
  background: var(--paper-2);
  padding-block: var(--s7) var(--s7);
}

.hero-grid {
  display: grid;
  gap: var(--s6);
  align-items: center;
}

.hero-lead {
  margin-top: var(--s5);
  font-size: 1.15rem;
}

.hero-lead p:last-child {
  margin-bottom: 0;
}

.hero-card,
.side-box {
  background: var(--card);
  border-radius: var(--radius);
  padding: var(--s5);
}


.side-title {
  margin: 0 0 var(--s3);
  font-family: var(--serif);
  font-weight: 650;
  font-size: 1.1rem;
}

.toc-list,
.side-links {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: toc;
}

.toc-list li {
  counter-increment: toc;
  display: flex;
  gap: var(--s3);
  align-items: baseline;
}

.toc-list li::before {
  content: counter(toc, decimal-leading-zero);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
}

.toc-list a,
.side-links a {
  display: block;
  padding: var(--s2) 0;
  color: var(--ink);
  text-decoration: none;
}

.toc-list a:hover,
.side-links a:hover {
  background: var(--mark);
}

.tiles {
  display: grid;
  gap: var(--s5);
  padding-block: var(--s7);
}

.tile {
  background: var(--card);
  border-radius: var(--radius);
  padding: var(--s6) var(--s5);
}

.tile h2 {
  margin-bottom: var(--s4);
}

.tile > :last-child {
  margin-bottom: 0;
}

.page {
  padding-block: var(--s7) var(--s8);
}

.page-grid {
  display: grid;
  gap: var(--s7);
}

.prose {
  min-width: 0;
}

.prose h1 {
  margin-bottom: 0;
}

.prose .lead-wrap {
  margin-top: var(--s5);
}

.prose .lead-wrap > p:first-child {
  font-size: 1.2rem;
  line-height: 1.6;
}

.prose .sec {
  margin-top: var(--s7);
}

.prose .sec h2 {
  margin-bottom: var(--s4);
}

.prose.numbered {
  counter-reset: sec;
}

.prose.numbered .sec h2 {
  counter-increment: sec;
}

.prose.numbered .sec h2::before {
  content: counter(sec, decimal-leading-zero);
  display: block;
  margin-bottom: var(--s1);
  color: var(--accent);
  font-family: var(--sans);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.prose ul,
.prose ol,
.tile ul,
.tile ol,
.hero-lead ul {
  padding-left: 1.4rem;
}

.prose li,
.tile li {
  margin-bottom: var(--s2);
  padding-left: var(--s1);
}

.prose li::marker,
.tile li::marker {
  color: var(--accent);
  font-weight: 700;
}

.prose .entry {
  padding: var(--s4) var(--s5);
  border-radius: var(--radius);
  background: var(--card);
}

.crumbs {
  margin: 0 0 var(--s3);
  color: var(--muted);
  font-size: 0.95rem;
}

.side-links a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.foot {
  margin-top: auto;
  background: var(--deep);
  color: var(--on-deep);
  padding-block: var(--s6);
}

.foot-in {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s3) var(--s6);
  align-items: baseline;
  justify-content: space-between;
}

.foot p {
  margin: 0;
  font-size: 0.95rem;
}

.foot a {
  color: #fff;
  display: inline-block;
  padding: var(--s3) 0;
}

.foot a:hover {
  background: var(--mark);
  color: var(--ink);
}

@media (min-width: 52rem) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr) 21rem;
    gap: var(--s8);
  }
  .tiles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .tile {
    padding: var(--s6);
  }
  .page-grid {
    grid-template-columns: minmax(0, 44rem) 17rem;
    justify-content: space-between;
    align-items: start;
  }
  .side {
    position: sticky;
    top: 5.5rem;
  }
  .wrap {
    padding-inline: var(--s6);
  }
}

@media (min-width: 52rem) and (max-width: 63.99rem) {
  .page-grid {
    gap: var(--s6);
    grid-template-columns: minmax(0, 1fr) 15rem;
  }
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}