/* ===========================================================================
   Amagacho Tech Solutions Ltd — amagachotech.pro
   ---------------------------------------------------------------------------
   Design language: an advisory memorandum. Deep forest ink, platinum type,
   one sage accent, and a chalk band that inverts the page. Sections are
   numbered clauses with margin notes rather than cards on a grid.
   No build step. No framework. One external request (Google Fonts).
   =========================================================================== */

:root {
  /* --- ground: near-black with a forest cast, never neutral grey --- */
  --deep-950: #040907;   /* page ground */
  --deep-900: #071009;   /* the deepest band */
  --deep-850: #0a1512;
  --deep-800: #0e1c17;   /* lifted band */
  --deep-750: #132520;   /* panels, dossier */
  --deep-700: #1b332c;   /* the lightest dark surface */

  /* --- chalk: the printed sheet --- */
  --chalk:    #f3f4f1;
  --chalk-2:  #e8eae5;
  --chalk-3:  #d9ddd6;

  /* --- type on ink --- */
  --plat:     #eef2ef;
  --plat-2:   #b9c6bf;
  /* --plat-3 carries small mono labels; held light enough to clear WCAG AA
     (4.5:1) against the lightest dark surface it lands on, --deep-700. */
  --plat-3:   #8fa098;

  /* --- type on chalk --- */
  --on-chalk:   #0a1512;
  --on-chalk-2: #3d4d47;
  --on-chalk-3: #62706a;

  /* --- accent: sage. The only chromatic colour on the site. --- */
  --sage-300: #d3e5da;
  --sage-400: #a9cdb8;
  --sage-500: #7fb096;   /* accent on ink */
  --sage-600: #5c8f76;
  --sage-700: #3f6d57;
  --sage-ink: #2c6349;   /* accent on chalk (link text, marks) */
  --sage-haze: rgba(127, 176, 150, .16);

  /* --- rules --- */
  --rule:      rgba(255, 255, 255, .085);
  --rule-2:    rgba(255, 255, 255, .155);
  --rule-3:    rgba(255, 255, 255, .26);
  --rule-sage: rgba(127, 176, 150, .34);
  --rule-dark: rgba(10, 21, 18, .13);
  --rule-dark-2: rgba(10, 21, 18, .07);

  /* --- type --- */
  --display: Newsreader, "Iowan Old Style", Georgia, "Times New Roman", serif;
  --body:    Figtree, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono:    "DM Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* --- metrics --- */
  --frame:     1180px;
  --frame-nar: 760px;
  --masthead-h: 76px;
  --edge:       28px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--masthead-h) + 18px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--deep-950);
  color: var(--plat-2);
  font-family: var(--body);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.72;
  letter-spacing: .002em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg { max-width: 100%; }
h1, h2, h3, h4 { margin: 0; font-family: var(--display); font-weight: 500; color: var(--plat); }
p { margin: 0 0 18px; }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

a { color: var(--sage-400); text-decoration: none; }
a:hover { color: var(--sage-300); }

/* Links sitting inside body copy carry an underline: on the dark ground the
   sage and the body platinum are too close in tone to separate by hue alone. */
.lede a, .prose a, .marks a, .query__a a, .clause__body a, .callout a,
.dossier__v a, .record__v a, .offer__head a, .offer__terms a, .colophon__blurb a {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: var(--rule-sage);
  transition: text-decoration-color .16s ease;
}
.lede a:hover, .prose a:hover, .marks a:hover, .query__a a:hover,
.clause__body a:hover, .callout a:hover, .dossier__v a:hover, .record__v a:hover,
.offer__head a:hover, .offer__terms a:hover, .colophon__blurb a:hover {
  text-decoration-color: currentColor;
}
.zone--chalk .lede a, .zone--chalk .prose a, .zone--chalk .marks a,
.zone--chalk .query__a a, .zone--chalk .clause__body a, .zone--chalk .callout a,
.zone--chalk .offer__head a, .zone--chalk .offer__terms a {
  text-decoration-color: rgba(44, 99, 73, .45);
}

:focus-visible {
  outline: 2px solid var(--sage-500);
  outline-offset: 3px;
  border-radius: 2px;
}

code {
  font-family: var(--mono);
  font-size: .88em;
  background: rgba(255, 255, 255, .06);
  border: 1px solid var(--rule);
  border-radius: 3px;
  padding: 1px 6px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--sage-500);
  color: var(--deep-950);
  padding: 12px 20px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.skip-link:focus { left: 16px; top: 16px; color: var(--deep-950); }

/* --------------------------------------------------------------- frame --- */
.frame {
  width: min(100% - (var(--edge) * 2), var(--frame));
  margin-inline: auto;
}
.frame--narrow { width: min(100% - (var(--edge) * 2), var(--frame-nar)); }

/* ---------------------------------------------------------------- type --- */
.overline {
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--sage-500);
}

.headline {
  font-size: clamp(2.5rem, 5.6vw, 4.15rem);
  line-height: 1.06;
  letter-spacing: -.022em;
  font-weight: 400;
}
.headline em {
  font-style: italic;
  color: var(--sage-400);
}

.title {
  font-size: clamp(1.85rem, 3.4vw, 2.7rem);
  line-height: 1.16;
  letter-spacing: -.018em;
  font-weight: 400;
}
.title em { font-style: italic; color: var(--sage-400); }

.subtitle {
  font-size: clamp(1.28rem, 2.2vw, 1.6rem);
  line-height: 1.26;
  letter-spacing: -.012em;
  font-weight: 500;
}

.minor {
  font-size: 1.08rem;
  line-height: 1.35;
  letter-spacing: -.004em;
  font-weight: 600;
  font-family: var(--body);
  color: var(--plat);
}

.lede {
  font-size: clamp(1.02rem, 1.5vw, 1.16rem);
  line-height: 1.74;
  color: var(--plat-2);
  max-width: 68ch;
}

.tint { color: var(--sage-400); }

.zone-head { max-width: 74ch; margin-bottom: 52px; }
.zone-head .title { margin-bottom: 20px; }

/* ------------------------------------------------------------- buttons --- */
.act-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.act {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  white-space: nowrap;
  gap: 10px;
  padding: 13px 26px;
  border-radius: 2px;
  font-family: var(--body);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .006em;
  border: 1px solid transparent;
  transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.act:hover { transform: translateY(-1px); }

.act--solid {
  background: var(--sage-500);
  color: var(--deep-950);
  border-color: var(--sage-500);
}
.act--solid:hover { background: var(--sage-400); border-color: var(--sage-400); color: var(--deep-950); }

.act--line {
  background: transparent;
  color: var(--plat);
  border-color: var(--rule-2);
}
.act--line:hover { border-color: var(--sage-500); color: var(--sage-300); }

.act--sm { padding: 9px 18px; font-size: 14px; }

.act__tick {
  font-family: var(--mono);
  font-size: 13px;
  transition: transform .18s ease;
}
.act:hover .act__tick { transform: translateX(3px); }

/* on chalk */
.zone--chalk .act--line { color: var(--on-chalk); border-color: var(--rule-dark); }
.zone--chalk .act--line:hover { border-color: var(--sage-ink); color: var(--sage-ink); }
.zone--chalk .act--solid { background: var(--sage-ink); border-color: var(--sage-ink); color: var(--chalk); }
.zone--chalk .act--solid:hover { background: var(--deep-800); border-color: var(--deep-800); color: var(--chalk); }

/* ------------------------------------------------------------ masthead --- */
.masthead {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(4, 9, 7, .82);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, background .25s ease;
}
.masthead.is-stuck {
  border-bottom-color: var(--rule);
  background: rgba(4, 9, 7, .95);
}

.masthead__inner {
  height: var(--masthead-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.crest { display: inline-flex; align-items: center; gap: 13px; color: inherit; }
.crest__mark { width: 38px; height: 38px; flex: none; }
.crest__name {
  display: block;
  font-family: var(--display);
  font-size: 19px;
  font-weight: 500;
  letter-spacing: .012em;
  color: var(--plat);
  line-height: 1.15;
}
.crest__name em { font-style: italic; color: var(--sage-400); }
.crest__sub {
  display: block;
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .19em;
  text-transform: uppercase;
  color: var(--plat-3);
  margin-top: 3px;
}

.menu { display: flex; align-items: center; gap: 30px; }
.menu a {
  font-size: 15px;
  color: var(--plat-2);
  letter-spacing: .004em;
  padding: 4px 0;
  border-bottom: 1px solid transparent;
  transition: color .16s ease, border-color .16s ease;
}
.menu a:hover { color: var(--plat); border-bottom-color: var(--rule-sage); }
.menu a.is-current { color: var(--sage-400); border-bottom-color: var(--sage-600); }
/* the nav link rule above would otherwise win on specificity and repaint the button */
.menu .act { border-bottom: 1px solid transparent; }
.menu .act--solid,
.menu .act--solid:hover { color: var(--deep-950); border-bottom-color: transparent; }
.menu .act--line { color: var(--plat); }

.menu__toggle {
  display: none;
  width: 42px;
  height: 42px;
  background: transparent;
  border: 1px solid var(--rule-2);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
}
.menu__toggle span,
.menu__toggle span::before,
.menu__toggle span::after {
  content: "";
  position: absolute;
  left: 11px;
  width: 18px;
  height: 1.5px;
  background: var(--plat);
  transition: transform .2s ease, opacity .2s ease;
}
.menu__toggle span { top: 20px; }
.menu__toggle span::before { left: 0; top: -6px; }
.menu__toggle span::after { left: 0; top: 6px; }
.menu__toggle[aria-expanded="true"] span { background: transparent; }
.menu__toggle[aria-expanded="true"] span::before { transform: translateY(6px) rotate(45deg); }
.menu__toggle[aria-expanded="true"] span::after { transform: translateY(-6px) rotate(-45deg); }

/* ---------------------------------------------------------------- zone --- */
.zone {
  padding: clamp(70px, 8.5vw, 118px) 0;
  position: relative;
}
.zone--tight { padding: clamp(52px, 6vw, 78px) 0; }
.zone--raise { background: var(--deep-900); }
.zone--deep {
  background: var(--deep-850);
  border-block: 1px solid var(--rule);
}

.zone--chalk {
  background: var(--chalk);
  color: var(--on-chalk-2);
}
.zone--chalk h1, .zone--chalk h2, .zone--chalk h3, .zone--chalk h4 { color: var(--on-chalk); }
.zone--chalk .lede { color: var(--on-chalk-2); }
.zone--chalk .overline { color: var(--sage-ink); }
.zone--chalk a { color: var(--sage-ink); }
.zone--chalk a:hover { color: var(--deep-800); }
.zone--chalk .headline em, .zone--chalk .title em, .zone--chalk .tint { color: var(--sage-ink); }

.hair {
  height: 1px;
  background: var(--rule);
  border: 0;
  margin: 0;
}

/* ------------------------------------------------------------- opening --- */
.opening {
  position: relative;
  padding: clamp(66px, 8vw, 116px) 0 clamp(48px, 5vw, 72px);
  overflow: hidden;
}
.opening::before {
  content: "";
  position: absolute;
  inset: -30% 40% 30% -20%;
  background: radial-gradient(closest-side, var(--sage-haze), transparent 72%);
  pointer-events: none;
}
.opening::after {
  content: "";
  position: absolute;
  right: -18%;
  top: -34%;
  width: 68%;
  height: 120%;
  background: radial-gradient(closest-side, rgba(63, 109, 87, .22), transparent 70%);
  pointer-events: none;
}

.opening__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  gap: clamp(38px, 5vw, 74px);
  align-items: start;
}

.opening__lead { max-width: 52ch; }

.opening__foot {
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--plat-3);
}
.opening__foot b { color: var(--plat-2); font-weight: 500; }

/* -------------------------------------------------------------- dossier --- */
.dossier {
  background: linear-gradient(180deg, var(--deep-750), var(--deep-800));
  border: 1px solid var(--rule);
  border-top: 2px solid var(--sage-600);
  border-radius: 2px;
  padding: 30px 30px 24px;
}

.dossier__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 18px;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--rule-2);
}
.dossier__title {
  font-family: var(--display);
  font-size: 19px;
  font-weight: 500;
  color: var(--plat);
  letter-spacing: -.006em;
}
.dossier__meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .17em;
  text-transform: uppercase;
  color: var(--plat-3);
}

.dossier__row {
  display: grid;
  grid-template-columns: 108px minmax(0, 1fr);
  gap: 16px;
  padding: 15px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.dossier__row:last-of-type { border-bottom: 0; }
.dossier__k {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--plat-3);
}
.dossier__v {
  font-size: 15px;
  color: var(--plat);
  line-height: 1.5;
}
.dossier__v a { color: var(--sage-400); }

.dossier__foot {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--rule-2);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--plat-3);
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.dossier__foot b { color: var(--sage-400); font-weight: 500; }

/* ---------------------------------------------------------------- strap --- */
.strap {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.strap__cell {
  padding: 24px 26px 24px 0;
  border-right: 1px solid var(--rule);
}
.strap__cell:last-child { border-right: 0; padding-right: 0; }
.strap__cell + .strap__cell { padding-left: 26px; }
.strap__k {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--plat-3);
  margin-bottom: 8px;
}
.strap__v {
  display: block;
  font-family: var(--display);
  font-size: 19px;
  color: var(--plat);
  letter-spacing: -.006em;
  line-height: 1.3;
}
.strap__v a { color: var(--sage-400); font-size: 16px; }

/* --------------------------------------------------------------- clause --- */
/* A numbered clause with a hanging margin note — the site's main device. */
.clauses { display: grid; gap: clamp(44px, 5vw, 62px); }

.clause {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: clamp(26px, 4vw, 54px);
  padding-top: 34px;
  border-top: 1px solid var(--rule);
}
.clause:first-child { padding-top: 0; border-top: 0; }

.clause__margin { position: relative; }
.clause__num {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--sage-500);
  margin-bottom: 14px;
}
.clause__note {
  font-size: 14px;
  line-height: 1.62;
  color: var(--plat-3);
  border-left: 1px solid var(--rule-sage);
  padding-left: 16px;
}
.clause__note strong { color: var(--plat-2); font-weight: 500; }

.clause__body .subtitle { margin-bottom: 18px; }
.clause__body > p { color: var(--plat-2); }

.scope {
  margin-top: 26px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 34px;
}
.scope li {
  position: relative;
  padding: 11px 0 11px 22px;
  border-top: 1px solid var(--rule);
  font-size: 15px;
  line-height: 1.55;
  color: var(--plat-2);
}
.scope li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 9px;
  height: 1px;
  background: var(--sage-600);
}

.zone--chalk .clause { border-top-color: var(--rule-dark); }
.zone--chalk .clause__note { color: var(--on-chalk-3); border-left-color: rgba(44, 99, 73, .35); }
.zone--chalk .clause__note strong { color: var(--on-chalk-2); }
.zone--chalk .clause__num { color: var(--sage-ink); }
.zone--chalk .clause__body > p { color: var(--on-chalk-2); }
.zone--chalk .scope li { color: var(--on-chalk-2); border-top-color: var(--rule-dark); }
.zone--chalk .scope li::before { background: var(--sage-ink); }

/* ---------------------------------------------------------------- route --- */
/* The engagement sequence: a spine with legs hung off it. */
.route { position: relative; padding-left: 34px; }
.route::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--sage-600), var(--rule));
}

.route__leg {
  position: relative;
  padding: 0 0 40px;
}
.route__leg:last-child { padding-bottom: 0; }
.route__leg::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 9px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--deep-950);
  border: 1px solid var(--sage-600);
  transition: background .4s ease, box-shadow .4s ease;
}
.route__leg.is-in::before {
  background: var(--sage-500);
  box-shadow: 0 0 0 4px rgba(127, 176, 150, .13);
}
.route__k {
  display: block;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--plat-3);
  margin-bottom: 8px;
}
.route__leg .minor { margin-bottom: 8px; }
.route__leg p { font-size: 15.5px; color: var(--plat-2); max-width: 62ch; }

.route--split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(30px, 4vw, 56px);
}

/* ------------------------------------------------------------- register --- */
/* Engagement formats — a register of offers, not a card grid. */
.register { border-top: 1px solid var(--rule); }

.offer {
  display: grid;
  grid-template-columns: 58px minmax(0, 1.5fr) minmax(0, 1fr);
  gap: clamp(20px, 3vw, 44px);
  padding: 30px 0;
  border-bottom: 1px solid var(--rule);
  align-items: start;
  transition: background .2s ease;
}
.offer:hover { background: rgba(127, 176, 150, .045); }

.offer__idx {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--sage-500);
  padding-top: 5px;
}
.offer__head .minor { margin-bottom: 9px; }
.offer__head p { font-size: 15.5px; color: var(--plat-2); }

.offer__terms { display: grid; gap: 9px; }
.offer__terms li {
  position: relative;
  padding-left: 20px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  line-height: 1.5;
  color: var(--plat-3);
}
.offer__terms li::before {
  content: "·";
  position: absolute;
  left: 6px;
  color: var(--sage-600);
}

.zone--chalk .register { border-top-color: var(--rule-dark); }
.zone--chalk .offer { border-bottom-color: var(--rule-dark); }
.zone--chalk .offer:hover { background: rgba(44, 99, 73, .05); }
.zone--chalk .offer__idx { color: var(--sage-ink); }
.zone--chalk .offer__head p { color: var(--on-chalk-2); }
.zone--chalk .offer__terms li { color: var(--on-chalk-3); }
.zone--chalk .offer__terms li::before { color: var(--sage-ink); }

/* -------------------------------------------------------------- pledges --- */
.pledges {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}
.pledge {
  background: var(--deep-950);
  padding: 30px 26px;
}
.zone--raise .pledge { background: var(--deep-900); }
.zone--deep .pledge { background: var(--deep-850); }
.pledge__n {
  display: block;
  font-family: var(--display);
  font-size: clamp(2.1rem, 3.6vw, 2.75rem);
  font-weight: 400;
  letter-spacing: -.03em;
  color: var(--sage-400);
  line-height: 1;
  margin-bottom: 14px;
}
.pledge__n span {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--plat-3);
  margin-left: 9px;
}
.pledge__t { font-size: 14.5px; line-height: 1.6; color: var(--plat-2); }

/* --------------------------------------------------------------- record --- */
.record { border-top: 1px solid var(--rule); }
.record__row {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.record__k {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--plat-3);
  margin: 0;
}
.record__v { margin: 0; font-size: 15.5px; color: var(--plat); }

.zone--chalk .record { border-top-color: var(--rule-dark); }
.zone--chalk .record__row { border-bottom-color: var(--rule-dark); }
.zone--chalk .record__k { color: var(--on-chalk-3); }
.zone--chalk .record__v { color: var(--on-chalk); }

/* ---------------------------------------------------------------- slate --- */
.slate {
  background: var(--deep-800);
  border: 1px solid var(--rule);
  border-left: 2px solid var(--sage-600);
  border-radius: 2px;
  padding: 30px 32px;
}
.slate--plain { border-left-width: 1px; border-left-color: var(--rule); }

.marks { display: grid; gap: 14px; }
.marks li {
  position: relative;
  padding-left: 28px;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--plat-2);
}
.marks li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 10px;
  height: 6px;
  border-left: 1.5px solid var(--sage-500);
  border-bottom: 1.5px solid var(--sage-500);
  transform: rotate(-45deg);
}
.zone--chalk .marks li { color: var(--on-chalk-2); }
.zone--chalk .marks li::before { border-color: var(--sage-ink); }

.callout {
  border: 1px solid var(--rule);
  border-left: 2px solid var(--sage-600);
  background: rgba(127, 176, 150, .05);
  border-radius: 2px;
  padding: 22px 26px;
  font-size: 15.5px;
  line-height: 1.68;
  color: var(--plat-2);
}
.callout strong { color: var(--plat); font-weight: 600; }
.zone--chalk .callout {
  border-color: var(--rule-dark);
  border-left-color: var(--sage-ink);
  background: rgba(44, 99, 73, .05);
  color: var(--on-chalk-2);
}
.zone--chalk .callout strong { color: var(--on-chalk); }

/* ---------------------------------------------------------------- split --- */
.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(32px, 5vw, 68px);
  align-items: center;
}
.split--top { align-items: start; }
.split--aside { grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); align-items: start; }

/* -------------------------------------------------------------- queries --- */
.queries { border-top: 1px solid var(--rule); }
.query {
  border-bottom: 1px solid var(--rule);
}
.query > summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 44px 22px 0;
  position: relative;
  font-family: var(--display);
  font-size: 1.16rem;
  font-weight: 500;
  letter-spacing: -.008em;
  color: var(--plat);
  transition: color .16s ease;
}
.query > summary::-webkit-details-marker { display: none; }
.query > summary:hover { color: var(--sage-400); }
.query > summary::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 32px;
  width: 11px;
  height: 11px;
  border-right: 1.5px solid var(--sage-500);
  border-bottom: 1.5px solid var(--sage-500);
  transform: rotate(45deg);
  transition: transform .22s ease;
}
.query[open] > summary::after { transform: rotate(-135deg); top: 36px; }
.query__a { padding: 0 8% 26px 0; }
.query__a p { font-size: 15.5px; color: var(--plat-2); }

.zone--chalk .queries { border-top-color: var(--rule-dark); }
.zone--chalk .query { border-bottom-color: var(--rule-dark); }
.zone--chalk .query > summary { color: var(--on-chalk); }
.zone--chalk .query > summary:hover { color: var(--sage-ink); }
.zone--chalk .query > summary::after { border-color: var(--sage-ink); }
.zone--chalk .query__a p { color: var(--on-chalk-2); }

/* ----------------------------------------------------------------- call --- */
.call {
  border: 1px solid var(--rule-2);
  border-radius: 2px;
  padding: clamp(38px, 5vw, 60px);
  background:
    radial-gradient(120% 140% at 88% 0%, rgba(63, 109, 87, .26), transparent 62%),
    var(--deep-800);
  text-align: center;
}
.call .lede { margin-inline: auto; }
.call .act-row { justify-content: center; }
.call__mail {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--plat-3);
  margin-top: 22px;
}

/* ----------------------------------------------------------------- page --- */
/* Interior page headers */
.page-head { padding: clamp(58px, 7vw, 90px) 0 clamp(30px, 4vw, 48px); }
.page-head .headline { max-width: 22ch; }
.page-head .lede { margin-top: 24px; }

.crumb {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--plat-3);
  margin-bottom: 22px;
}
.crumb a { color: var(--plat-3); }
.crumb a:hover { color: var(--sage-400); }

.updated {
  display: inline-block;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--plat-3);
  border: 1px solid var(--rule);
  border-radius: 2px;
  padding: 5px 12px;
  margin-bottom: 34px;
}

/* ---------------------------------------------------------------- prose --- */
.prose { max-width: 72ch; }
.prose h2 {
  font-size: 1.42rem;
  line-height: 1.28;
  margin: 44px 0 16px;
  padding-top: 22px;
  border-top: 1px solid var(--rule);
  letter-spacing: -.012em;
}
.prose h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.prose h3 {
  font-family: var(--body);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--plat);
  margin: 28px 0 10px;
}
.prose p { color: var(--plat-2); font-size: 16px; }
.prose ul { margin: 0 0 18px; display: grid; gap: 10px; }
.prose ul li {
  position: relative;
  padding-left: 22px;
  color: var(--plat-2);
  font-size: 16px;
  line-height: 1.68;
}
.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 9px;
  height: 1px;
  background: var(--sage-600);
}
.prose strong { color: var(--plat); font-weight: 600; }
.prose dl { margin: 0 0 20px; }
.prose dt { font-weight: 600; color: var(--plat); margin-top: 14px; }
.prose dd { margin: 4px 0 0; color: var(--plat-2); }

/* ------------------------------------------------------------- colophon --- */
.colophon {
  background: var(--deep-900);
  border-top: 1px solid var(--rule);
  padding: clamp(52px, 6vw, 76px) 0 34px;
}
.colophon__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 56px);
}
.colophon__blurb {
  margin-top: 20px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--plat-3);
  max-width: 40ch;
}
.colophon h4 {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--plat-3);
  margin-bottom: 18px;
}
.colophon ul { display: grid; gap: 11px; }
.colophon li { font-size: 14.5px; color: var(--plat-3); line-height: 1.6; }
.colophon li a { color: var(--plat-2); }
.colophon li a:hover { color: var(--sage-400); }

.colophon__bar {
  margin-top: clamp(40px, 5vw, 58px);
  padding-top: 24px;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  justify-content: space-between;
  align-items: center;
  font-size: 13.5px;
  color: var(--plat-3);
}
.colophon__legal { display: flex; flex-wrap: wrap; gap: 22px; }
.colophon__legal a { color: var(--plat-3); }
.colophon__legal a:hover { color: var(--sage-400); }

/* ---------------------------------------------------------------- error --- */
.error {
  min-height: 62vh;
  display: flex;
  align-items: center;
  padding: 80px 0;
}
.error__code {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .3em;
  color: var(--sage-500);
  margin-bottom: 20px;
}

/* --------------------------------------------------------------- reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s cubic-bezier(.22, .61, .36, 1), transform .6s cubic-bezier(.22, .61, .36, 1);
}
.reveal.is-in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ----------------------------------------------------------- responsive --- */
@media (max-width: 1080px) {
  .opening__grid { grid-template-columns: 1fr; }
  .opening__lead { max-width: 46ch; }
  .clause { grid-template-columns: 1fr; gap: 20px; }
  .clause__note { max-width: 62ch; }
  .split--aside { grid-template-columns: 1fr; }
  .colophon__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 960px) {
  :root { --edge: 22px; --masthead-h: 68px; }

  .menu {
    position: absolute;
    top: var(--masthead-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--deep-900);
    border-top: 1px solid var(--rule);
    border-bottom: 1px solid var(--rule);
    padding: 10px var(--edge) 22px;
    display: none;
  }
  .menu.is-open { display: flex; }
  .menu a { padding: 13px 0; border-bottom: 1px solid var(--rule); }
  .menu .act { margin-top: 16px; justify-content: center; border-bottom: 0; }
  .menu__toggle { display: block; }

  .strap { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .strap__cell { padding: 20px 20px 20px 0; }
  .strap__cell:nth-child(2n) { border-right: 0; padding-right: 0; }
  .strap__cell:nth-child(n + 3) { border-top: 1px solid var(--rule); }
  .strap__cell + .strap__cell { padding-left: 0; }
  .strap__cell:nth-child(2n) { padding-left: 22px; }

  .pledges { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split { grid-template-columns: 1fr; }
  .route--split { grid-template-columns: 1fr; }
  .offer { grid-template-columns: 44px minmax(0, 1fr); }
  .offer__terms { grid-column: 2; margin-top: 4px; }
  .record__row { grid-template-columns: 1fr; gap: 6px; }
  .scope { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  body { font-size: 16px; }
  .strap { grid-template-columns: 1fr; }
  .strap__cell { border-right: 0; padding: 18px 0; border-top: 1px solid var(--rule); }
  .strap__cell:first-child { border-top: 0; }
  .strap__cell:nth-child(2n) { padding-left: 0; }
  .pledges { grid-template-columns: 1fr; }
  .colophon__grid { grid-template-columns: 1fr; }
  .dossier { padding: 24px 20px 20px; }
  .dossier__row { grid-template-columns: 1fr; gap: 4px; }
  .query__a { padding-right: 0; }
  .call { padding: 32px 22px; }
}