/* ============================================================
   AmeribookZ — Design System
   Direction: "Ledger" — paper ground, deep ink type, signal green
   as structure. Typography borrowed from financial statements:
   tabular figures, hairline cross-foot rules, right-aligned totals.
   ============================================================ */

/* ---------- 1. TOKENS ---------- */
:root {
  /* Color — paper ground */
  --paper:        #F1F2EE;
  --paper-warm:   #E9EBE5;
  --surface:      #FFFFFF;

  /* Color — ink */
  --ink:          #10150F;
  --ink-2:        #2E3A31;
  --ink-3:        #5C6B60;   /* 5.02:1 on paper */
  --on-ink:       #F1F2EE;
  --on-ink-mute:  #9AA79D;   /* 7.6:1 on ink */

  /* Color — signal */
  --signal:       #0F7136;   /* 5.44:1 on paper — safe for text */
  --signal-500:   #16A34A;   /* fills, large elements */
  --signal-bright:#34D07A;   /* on ink only */
  --signal-wash:  #E4EFE7;
  --signal-edge:  #C3DACB;

  /* Color — flag (marks unresolved / "before" state) */
  --flag:         #A3491A;   /* 5.34:1 on paper */
  --flag-wash:    #F6E9E0;

  /* Rules */
  --rule:         #D4D8D0;
  --rule-strong:  #A9B1A8;
  --rule-ink:     #2C332B;

  /* Type */
  --f-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-body:    "Source Serif 4", Georgia, "Times New Roman", serif;
  --f-data:    "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --t-hero:  clamp(2.35rem, 6.1vw, 5.1rem);
  --t-h1:    clamp(2.1rem, 4.5vw, 3.6rem);
  --t-h2:    clamp(1.65rem, 3.1vw, 2.6rem);
  --t-h3:    clamp(1.15rem, 1.7vw, 1.45rem);
  --t-lead:  clamp(1.1rem, 1.45vw, 1.35rem);
  --t-body:  1.0625rem;
  --t-sm:    0.9375rem;
  --t-xs:    0.8125rem;
  --t-2xs:   0.75rem;

  /* Spacing */
  --s-1: 0.25rem; --s-2: 0.5rem;  --s-3: 0.75rem; --s-4: 1rem;
  --s-5: 1.5rem;  --s-6: 2rem;    --s-7: 3rem;    --s-8: 4rem;
  --s-9: 6rem;    --s-10: 8rem;
  --section-y: clamp(4.5rem, 9vw, 8rem);

  /* Layout */
  --shell: 78rem;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius: 4px;

  /* Motion */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur-fast: 160ms;
  --dur: 260ms;
  --dur-slow: 620ms;
}

/* ---------- 2. RESET & BASE ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--f-display);
  font-size: var(--t-body);
  line-height: 1.6;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; display: block; }
h1, h2, h3, h4, p, figure, blockquote, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }

a { color: inherit; text-decoration: none; }

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
  border-radius: 2px;
}
.on-ink :focus-visible { outline-color: var(--signal-bright); }

::selection { background: var(--signal-500); color: #fff; }

.skip-link {
  position: absolute; left: var(--s-4); top: -100%;
  z-index: 200; background: var(--ink); color: var(--on-ink);
  padding: var(--s-3) var(--s-5); font-size: var(--t-sm); font-weight: 600;
  border-radius: var(--radius);
}
.skip-link:focus { top: var(--s-4); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- 3. TYPOGRAPHY ---------- */
.display, h1, h2, h3, h4 {
  font-family: var(--f-display);
  font-weight: 600;
  letter-spacing: -0.028em;
  line-height: 1.04;
  text-wrap: balance;
}
h3, h4 { line-height: 1.2; letter-spacing: -0.018em; }

.t-hero { font-size: var(--t-hero); }
.t-h1   { font-size: var(--t-h1); }
.t-h2   { font-size: var(--t-h2); }
.t-h3   { font-size: var(--t-h3); font-weight: 600; }

/* Editorial prose — the serif carries the argument */
.prose {
  font-family: var(--f-body);
  font-size: var(--t-lead);
  line-height: 1.62;
  color: var(--ink-2);
  max-width: 34ch;
  text-wrap: pretty;
}
.prose--wide { max-width: 46ch; }
.prose p + p { margin-top: var(--s-5); }
.prose em { font-style: italic; }
.prose strong { color: var(--ink); font-weight: 600; }

.body-sm { font-size: var(--t-sm); line-height: 1.62; color: var(--ink-3); max-width: 56ch; }

/* Data face — eyebrows, dates, figures, labels */
.eyebrow {
  font-family: var(--f-data);
  font-size: var(--t-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  display: flex; align-items: center; gap: var(--s-3);
}
.eyebrow::before {
  content: ""; width: 1.75rem; height: 1px;
  background: var(--signal-500); flex: none;
}
.eyebrow--plain::before { display: none; }
.on-ink .eyebrow { color: var(--on-ink-mute); }
.on-ink .eyebrow::before { background: var(--signal-bright); }

.num {
  font-family: var(--f-data);
  font-variant-numeric: tabular-nums lining-nums;
  font-feature-settings: "tnum" 1, "lnum" 1;
}

/* ---------- 4. LAYOUT ---------- */
.shell {
  width: 100%; max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section { padding-block: var(--section-y); }
.section--tight { padding-block: clamp(3rem, 6vw, 5rem); }
.section + .section { border-top: 1px solid var(--rule); }

.on-ink {
  background: var(--ink);
  color: var(--on-ink);
}
.on-ink h1, .on-ink h2, .on-ink h3 { color: var(--on-ink); }
.on-ink .prose { color: #C6D0C8; }
.on-ink .prose strong { color: var(--on-ink); }
.on-ink .body-sm { color: var(--on-ink-mute); }
.section.on-ink + .section, .section + .section.on-ink { border-top: 0; }

/* Editorial split: argument left, marginalia right */
.split {
  display: grid;
  gap: var(--s-7) var(--s-8);
  grid-template-columns: 1fr;
  align-items: start;
}
@media (min-width: 60rem) {
  .split { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--s-8) clamp(2rem,5vw,5rem); }
  .split--even { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .split--narrow-right { grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); }
}

.section-head { max-width: 44rem; }
.section-head .t-h2 { margin-top: var(--s-5); }
.section-head .prose { margin-top: var(--s-5); }

.stack-4 > * + * { margin-top: var(--s-4); }
.stack-5 > * + * { margin-top: var(--s-5); }
.stack-6 > * + * { margin-top: var(--s-6); }
.stack-7 > * + * { margin-top: var(--s-7); }

/* ---------- 5. BUTTONS ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: var(--s-3);
  min-height: 3rem;
  padding: 0.85rem 1.5rem;
  font-family: var(--f-display);
  font-size: var(--t-sm);
  font-weight: 600;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease),
              border-color var(--dur) var(--ease), transform var(--dur-fast) var(--ease);
}
.btn:active { transform: translateY(1px); }

.btn--primary { background: var(--signal); color: #fff; }
.btn--primary:hover { background: #0B5A2B; }

.btn--ghost { background: transparent; color: var(--ink); border-color: var(--rule-strong); }
.btn--ghost:hover { border-color: var(--ink); background: rgba(16,21,15,0.04); }

.on-ink .btn--primary { background: var(--signal-bright); color: var(--ink); }
.on-ink .btn--primary:hover { background: #52E093; }
.on-ink .btn--ghost { color: var(--on-ink); border-color: #3E4A40; }
.on-ink .btn--ghost:hover { border-color: var(--on-ink); background: rgba(241,242,238,0.07); }

.btn__arrow { width: 1rem; height: 1rem; flex: none; transition: transform var(--dur) var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }

.btn-row { display: flex; flex-wrap: wrap; gap: var(--s-4); }
@media (max-width: 26rem) {
  .btn-row { display: grid; gap: var(--s-3); }
  .btn-row .btn { width: 100%; }
}

/* Text link with ledger underline */
.link {
  font-weight: 600; font-size: var(--t-sm);
  display: inline-flex; align-items: center; gap: var(--s-2);
  color: var(--signal);
  border-bottom: 1px solid var(--signal-edge);
  padding-bottom: 2px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.link:hover { border-color: var(--signal); }
.on-ink .link { color: var(--signal-bright); border-color: #2E5B41; }
.on-ink .link:hover { border-color: var(--signal-bright); }

/* ---------- 6. HEADER ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
}
.site-header__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--s-5); min-height: 4.5rem;
}

.logo { display: inline-flex; align-items: center; gap: 0.6rem; }
.logo__mark { width: 1.65rem; height: 1.65rem; flex: none; }
.logo__word {
  font-family: var(--f-display);
  font-weight: 700; font-size: 1.0625rem;
  letter-spacing: 0.02em; text-transform: uppercase;
  color: var(--ink);
}
.logo__word b { color: var(--signal); font-weight: 700; }

.nav { display: none; }
@media (min-width: 60rem) {
  .nav { display: flex; align-items: center; gap: clamp(1.25rem, 2.4vw, 2.25rem); }
}
.nav a {
  font-size: var(--t-sm); font-weight: 500; color: var(--ink-2);
  padding-block: var(--s-2);
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.nav a:hover { color: var(--ink); border-color: var(--rule-strong); }
.nav a[aria-current="page"] { color: var(--ink); border-color: var(--signal-500); }

.header__cta { display: none; }
@media (min-width: 60rem) { .header__cta { display: inline-flex; } }

.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.75rem; height: 2.75rem; margin-right: -0.5rem;
  background: transparent; border: 1px solid var(--rule-strong);
  border-radius: var(--radius); cursor: pointer; color: var(--ink);
}
@media (min-width: 60rem) { .nav-toggle { display: none; } }
.nav-toggle__bars { width: 1.05rem; height: 0.65rem; position: relative; }
.nav-toggle__bars span {
  position: absolute; left: 0; right: 0; height: 1.5px; background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur-fast) var(--ease);
}
.nav-toggle__bars span:nth-child(1) { top: 0; }
.nav-toggle__bars span:nth-child(2) { bottom: 0; }
[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) { transform: translateY(0.32rem) rotate(45deg); }
[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) { transform: translateY(-0.32rem) rotate(-45deg); }

.mobile-nav {
  display: none;
  border-top: 1px solid var(--rule);
  padding-block: var(--s-5) var(--s-6);
}
.mobile-nav[data-open="true"] { display: block; }
@media (min-width: 60rem) { .mobile-nav { display: none !important; } }
.mobile-nav a {
  display: block; padding: var(--s-4) 0;
  font-size: 1.125rem; font-weight: 600;
  border-bottom: 1px solid var(--rule);
}
.mobile-nav a[aria-current="page"] { color: var(--signal); }
.mobile-nav .btn { width: 100%; margin-top: var(--s-5); }

/* ---------- 7. HERO ---------- */
.hero { padding-block: clamp(3.5rem, 7vw, 6.5rem) clamp(3rem, 6vw, 5rem); }
.hero__grid { display: grid; gap: var(--s-8); grid-template-columns: 1fr; align-items: center; }
@media (min-width: 64rem) {
  .hero__grid { grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr); gap: clamp(3rem, 6vw, 5.5rem); }
}
.hero h1 { margin-top: var(--s-5); }
.hero__lead { margin-top: var(--s-6); }
.hero .btn-row { margin-top: var(--s-7); }

.hero__assurance {
  margin-top: var(--s-7); padding-top: var(--s-5);
  border-top: 1px solid var(--rule);
  display: flex; flex-wrap: wrap; gap: var(--s-3) var(--s-6);
}
.hero__assurance li {
  font-family: var(--f-data); font-size: var(--t-xs);
  letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3);
  display: flex; align-items: center; gap: var(--s-2);
}
.hero__assurance svg { width: 0.9rem; height: 0.9rem; color: var(--signal); flex: none; }

/* ---------- 8. SIGNATURE: RECONCILIATION STRIP ---------- */
.recon {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 1px 0 rgba(16,21,15,0.03), 0 18px 44px -30px rgba(16,21,15,0.35);
}
.recon__bar {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-2) var(--s-4);
  flex-wrap: wrap;
  padding: var(--s-4) var(--s-5);
  border-bottom: 1px solid var(--rule);
  background: var(--paper-warm);
}
@media (max-width: 30rem) {
  .recon__bar { flex-direction: column; align-items: flex-start; }
}
.recon__title {
  font-family: var(--f-data); font-size: var(--t-xs);
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-2); font-weight: 500;
}
.recon__state {
  font-family: var(--f-data); font-size: var(--t-xs);
  letter-spacing: 0.06em; color: var(--flag);
  display: inline-flex; align-items: center; gap: var(--s-2);
}
.recon__state::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--flag);
}
.recon[data-state="clean"] .recon__state { color: var(--signal); }
.recon[data-state="clean"] .recon__state::before { background: var(--signal-500); }

.recon__rows { padding: var(--s-2) 0; }
.recon__row {
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  gap: var(--s-4);
  align-items: baseline;
  padding: 0.72rem var(--s-5);
  border-bottom: 1px solid var(--rule);
}
.recon__row:last-child { border-bottom: 0; }

.recon__memo { min-width: 0; }
.recon__raw, .recon__clean { display: block; }
.recon__raw {
  font-family: var(--f-data); font-size: var(--t-xs);
  color: var(--flag); letter-spacing: 0.01em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.recon__clean {
  font-size: var(--t-sm); font-weight: 600; color: var(--ink);
  letter-spacing: -0.01em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.recon__acct {
  display: block; margin-top: 2px;
  font-family: var(--f-data); font-size: var(--t-2xs);
  letter-spacing: 0.06em; color: var(--ink-3);
}
.recon__amt {
  font-family: var(--f-data);
  font-variant-numeric: tabular-nums lining-nums;
  font-size: var(--t-sm); color: var(--ink-2); white-space: nowrap;
}

/* Two-state fragments. The RESOLVED state is the default, so a visitor with
   no JS, or with reduced motion, lands on the finished ledger rather than
   on a half-animated mess. JS rewinds to "raw" once, then plays forward. */
.recon [data-when] { display: none; }
.recon:not([data-state="raw"]) [data-when="clean"] { display: block; }
.recon[data-state="raw"] [data-when="raw"] { display: block; }
.recon__state [data-when] { display: none; }
.recon:not([data-state="raw"]) .recon__state [data-when="clean"] { display: inline; }
.recon[data-state="raw"] .recon__state [data-when="raw"] { display: inline; }

.recon__row.is-resolving { animation: resolve var(--dur-slow) var(--ease) both; }
@keyframes resolve {
  0%   { opacity: 0.25; transform: translateY(4px); }
  100% { opacity: 1; transform: none; }
}

.recon__foot {
  display: grid; grid-template-columns: minmax(0,1fr) auto;
  gap: var(--s-4); align-items: baseline;
  padding: var(--s-4) var(--s-5) var(--s-5);
  border-top: 2px solid var(--ink);   /* cross-foot rule — statement grammar */
  margin-top: var(--s-2);
}
.recon__foot-label {
  font-family: var(--f-data); font-size: var(--t-xs);
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-2); font-weight: 500;
}
.recon__foot-val {
  font-family: var(--f-data);
  font-variant-numeric: tabular-nums lining-nums;
  font-weight: 500; font-size: var(--t-sm); color: var(--ink);
}
.recon[data-state="raw"] .recon__foot-val { color: var(--flag); }

.recon__caption {
  margin-top: var(--s-4);
  font-family: var(--f-data); font-size: var(--t-2xs);
  letter-spacing: 0.06em; color: var(--ink-3); text-align: center;
}

/* ---------- 9. LEDGER LIST (offers / symptoms) ---------- */
.ledger { border-top: 1px solid var(--ink); }
.ledger__item { border-bottom: 1px solid var(--rule); }
.ledger__link {
  display: grid; gap: var(--s-4) var(--s-6);
  grid-template-columns: 1fr;
  padding: var(--s-6) 0;
  transition: background var(--dur) var(--ease);
}
@media (min-width: 48rem) {
  .ledger__link { grid-template-columns: 8rem minmax(0,1fr); align-items: start; }
  .ledger__tag { grid-row: span 2; }
}
/* Wide: the spec list earns its own column instead of leaving a dead gutter */
@media (min-width: 66rem) {
  .ledger__link {
    grid-template-columns: 8rem minmax(0,1fr) minmax(0, 17rem) 1.5rem;
    gap: var(--s-4) clamp(2rem, 3.5vw, 3.5rem);
  }
  .ledger__tag { grid-row: auto; }
}
a.ledger__link:hover { background: rgba(16,21,15,0.025); }
a.ledger__link:hover .ledger__title { color: var(--signal); }

.ledger__tag {
  font-family: var(--f-data); font-size: var(--t-xs);
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3);
  padding-top: 0.35rem;
}
.ledger__title { font-size: var(--t-h3); transition: color var(--dur) var(--ease); }
.ledger__body { margin-top: var(--s-3); max-width: 46ch; }
.ledger__chev { display: none; }
@media (min-width: 66rem) {
  .ledger__chev {
    display: block; width: 1.1rem; height: 1.1rem; color: var(--ink-3);
    margin-top: 0.5rem; justify-self: end;
    transition: transform var(--dur) var(--ease), color var(--dur) var(--ease);
  }
  a.ledger__link:hover .ledger__chev { transform: translateX(4px); color: var(--signal); }
}

/* Spec list — reads like a schedule of inclusions, not a row of chips */
.ledger__meta { display: grid; }
.ledger__meta li {
  font-family: var(--f-data); font-size: var(--t-2xs);
  letter-spacing: 0.07em; text-transform: uppercase; color: var(--ink-3);
  display: flex; align-items: center; gap: var(--s-3);
  padding: 0.55rem 0; border-bottom: 1px solid var(--rule);
}
.ledger__meta li:first-child { border-top: 1px solid var(--rule); }
.ledger__meta li::before {
  content: ""; flex: none; width: 4px; height: 4px; background: var(--signal-500);
}
@media (min-width: 66rem) { .ledger__meta { margin-top: 0.4rem; } }

/* Compact variant — no spec column, used for short diagnostic lists */
.ledger--compact .ledger__link { padding-block: var(--s-5); }
@media (min-width: 48rem) {
  .ledger--compact .ledger__link { grid-template-columns: 7rem minmax(0,1fr); }
}
@media (min-width: 66rem) {
  .ledger--compact .ledger__link { grid-template-columns: 7rem minmax(0,1fr); }
}

/* ---------- 10. CARDS ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 2.6vw, 2.25rem);
  height: 100%;
  display: flex; flex-direction: column;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease),
              box-shadow var(--dur) var(--ease);
}
a.card:hover, .card--hover:hover {
  border-color: var(--rule-strong);
  transform: translateY(-3px);
  box-shadow: 0 20px 40px -32px rgba(16,21,15,0.5);
}
.card__index {
  font-family: var(--f-data); font-size: var(--t-xs);
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--signal);
  padding-bottom: var(--s-4); margin-bottom: var(--s-4);
  border-bottom: 1px solid var(--rule);
}
.card h3 { font-size: var(--t-h3); }
.card .body-sm { margin-top: var(--s-3); }
.card__spec {
  margin-top: var(--s-5); padding-top: var(--s-4);
  border-top: 1px solid var(--rule);
}
.card__spec li {
  display: flex; gap: var(--s-3); align-items: baseline;
  font-size: var(--t-sm); color: var(--ink-2); padding-block: 0.3rem;
}
.card__spec li::before {
  content: ""; flex: none; width: 5px; height: 5px; margin-top: 0.5rem;
  background: var(--signal-500); border-radius: 1px;
}
.card__foot { margin-top: auto; padding-top: var(--s-5); }

.grid { display: grid; gap: var(--s-5); grid-template-columns: 1fr; }
@media (min-width: 44rem) { .grid--2 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (min-width: 44rem) { .grid--3 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (min-width: 66rem) { .grid--3 { grid-template-columns: repeat(3, minmax(0,1fr)); } }
@media (min-width: 44rem) { .grid--4 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (min-width: 72rem) { .grid--4 { grid-template-columns: repeat(4, minmax(0,1fr)); } }

.on-ink .card { background: #171E16; border-color: var(--rule-ink); }
.on-ink .card .body-sm { color: var(--on-ink-mute); }
.on-ink .card__spec li { color: #C6D0C8; }
.on-ink .card__index { color: var(--signal-bright); border-color: var(--rule-ink); }
.on-ink .card__spec, .on-ink .card__index { border-color: var(--rule-ink); }

/* ---------- 11. TIMELINE (the close, day by day) ---------- */
.timeline { border-top: 1px solid var(--rule); margin-top: var(--s-7); }
.timeline__step {
  display: grid; gap: var(--s-3) var(--s-6);
  grid-template-columns: 1fr;
  padding: var(--s-6) 0;
  border-bottom: 1px solid var(--rule);
}
@media (min-width: 52rem) {
  .timeline__step { grid-template-columns: 10rem minmax(0,1fr); align-items: start; }
}
.timeline__when {
  font-family: var(--f-data); font-size: var(--t-xs);
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--signal); font-weight: 500; padding-top: 0.2rem;
}
.on-ink .timeline { border-color: var(--rule-ink); }
.on-ink .timeline__step { border-color: var(--rule-ink); }
.on-ink .timeline__when { color: var(--signal-bright); }
.timeline__what { font-size: 1.15rem; font-weight: 600; letter-spacing: -0.02em; }
.timeline__detail { margin-top: var(--s-3); }

/* ---------- 12. STATEMENT BLOCK (deliverables) ---------- */
.statement {
  background: var(--surface); border: 1px solid var(--rule);
  border-radius: var(--radius); padding: clamp(1.5rem, 3vw, 2.5rem);
}
.on-ink .statement { background: #171E16; border-color: var(--rule-ink); }
.statement__head {
  display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-4);
  justify-content: space-between; align-items: baseline;
  padding-bottom: var(--s-4); border-bottom: 2px solid var(--ink);
}
.on-ink .statement__head { border-bottom-color: var(--on-ink); }
.statement__name { font-size: 1.15rem; font-weight: 600; letter-spacing: -0.02em; }
.statement__period {
  font-family: var(--f-data); font-size: var(--t-xs);
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--signal);
}
.on-ink .statement__period { color: var(--on-ink-mute); }
.statement__row {
  display: grid; grid-template-columns: minmax(0,1fr) auto; gap: var(--s-4);
  align-items: baseline; padding: 0.8rem 0; border-bottom: 1px solid var(--rule);
}
.on-ink .statement__row { border-color: var(--rule-ink); }
.statement__row:last-of-type { border-bottom: 0; }
.statement__label { font-size: var(--t-sm); font-weight: 600; }
.statement__note { display: block; margin-top: 2px; font-weight: 400; color: var(--ink-3); font-size: var(--t-xs); font-family: var(--f-data); letter-spacing: 0.03em; }
.on-ink .statement__note { color: var(--on-ink-mute); }
.statement__val {
  font-family: var(--f-data); font-size: var(--t-xs);
  letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ink-3); white-space: nowrap;
}
.on-ink .statement__val { color: var(--on-ink-mute); }

/* ---------- 13. EXCLUSIONS (what we don't do) ---------- */
.exclusion { display: grid; gap: var(--s-4); padding: var(--s-5) 0; border-bottom: 1px solid var(--rule-ink); }
@media (min-width: 48rem) { .exclusion { grid-template-columns: 14rem minmax(0,1fr); gap: var(--s-6); align-items: baseline; } }
.exclusion__what {
  font-family: var(--f-data); font-size: var(--t-sm);
  letter-spacing: 0.02em; color: var(--on-ink); font-weight: 500;
  display: flex; align-items: baseline; gap: var(--s-3);
}
.exclusion__what::before { content: "—"; color: var(--on-ink-mute); }

/* ---------- 14. FAQ ---------- */
.faq-layout { display: grid; gap: var(--s-7); align-items: start; }
@media (min-width: 62rem) {
  .faq-layout { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: clamp(2rem, 5vw, 5rem); }
  .faq-layout__aside { position: sticky; top: 7rem; }
}
.faq { border-top: 1px solid var(--ink); }
.faq__item { border-bottom: 1px solid var(--rule); }
.faq__q {
  width: 100%; text-align: left; background: none; border: 0; cursor: pointer;
  display: grid; grid-template-columns: minmax(0,1fr) 1.5rem; gap: var(--s-5);
  align-items: start; padding: var(--s-5) 0;
  font-family: var(--f-display); font-size: 1.0625rem; font-weight: 600;
  letter-spacing: -0.018em; color: var(--ink); line-height: 1.35;
}
.faq__q:hover { color: var(--signal); }
.faq__icon { position: relative; width: 1.1rem; height: 1.1rem; margin-top: 0.15rem; justify-self: end; }
.faq__icon::before, .faq__icon::after {
  content: ""; position: absolute; background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.faq__icon::before { top: 50%; left: 0; right: 0; height: 1.5px; transform: translateY(-50%); }
.faq__icon::after { left: 50%; top: 0; bottom: 0; width: 1.5px; transform: translateX(-50%); }
[aria-expanded="true"] .faq__icon::after { transform: translateX(-50%) scaleY(0); opacity: 0; }
.faq__a { padding-bottom: var(--s-6); }
.faq__a[hidden] { display: none; }

/* ---------- 15. FORM ---------- */
.form { display: grid; gap: var(--s-5); }
.field { display: grid; gap: var(--s-2); }
.field > label {
  font-family: var(--f-data); font-size: var(--t-xs);
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-2); font-weight: 500;
}
.field__hint { font-size: var(--t-xs); color: var(--ink-3); font-family: var(--f-data); letter-spacing: 0.02em; }
.field input, .field select, .field textarea {
  width: 100%; font-family: var(--f-display); font-size: var(--t-body);
  color: var(--ink); background: var(--surface);
  border: 1px solid var(--rule-strong); border-radius: var(--radius);
  padding: 0.8rem 0.9rem; min-height: 3rem;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.field textarea { min-height: 8rem; resize: vertical; line-height: 1.55; }
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8' fill='none' stroke='%235C6B60' stroke-width='1.5'%3E%3Cpath d='M1 1.5 6 6.5l5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.9rem center; background-size: 0.7rem;
  padding-right: 2.4rem;
}
.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--ink-3); }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--signal);
  box-shadow: 0 0 0 3px rgba(15,113,54,0.22);
}
/* Keyboard focus keeps a real outline — the tinted ring alone is not enough
   of an indicator to navigate a form by. */
.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}
.field[data-invalid="true"] input,
.field[data-invalid="true"] select,
.field[data-invalid="true"] textarea { border-color: var(--flag); }
.field__error {
  font-size: var(--t-xs); color: var(--flag); font-weight: 600;
  display: flex; align-items: center; gap: var(--s-2);
}
.field__error[hidden] { display: none; }
.field__error svg { width: 0.85rem; height: 0.85rem; flex: none; }

.checkfield { display: grid; grid-template-columns: auto minmax(0,1fr); gap: var(--s-3); align-items: start; }
.checkfield input { width: 1.5rem; height: 1.5rem; min-height: 0; margin-top: 0.05rem; accent-color: var(--signal); }
.checkfield label { font-size: var(--t-sm); color: var(--ink-2); text-transform: none; letter-spacing: 0; font-family: var(--f-display); }

.form__status {
  border: 1px solid var(--signal-edge); background: var(--signal-wash);
  border-radius: var(--radius); padding: var(--s-5);
}
.form__status[hidden] { display: none; }
.form__status h3 { font-size: 1.0625rem; }
.form__status p { margin-top: var(--s-3); font-size: var(--t-sm); color: var(--ink-2); }

.form__errors {
  border: 1px solid var(--flag); background: var(--flag-wash);
  border-radius: var(--radius); padding: var(--s-4) var(--s-5);
}
.form__errors[hidden] { display: none; }
.form__errors p { font-size: var(--t-sm); font-weight: 600; color: var(--flag); }
.form__errors ul { margin-top: var(--s-2); }
.form__errors li { font-size: var(--t-sm); }
.form__errors a { color: var(--flag); text-decoration: underline; }

/* ---------- 16. CTA BAND — framed like the head of an engagement letter ---------- */
.cta-band { background: var(--paper-warm); border-top: 1px solid var(--rule); }
.cta-panel {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 1px 0 rgba(16,21,15,0.03), 0 24px 56px -40px rgba(16,21,15,0.45);
}
.cta-panel__bar {
  display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-5);
  justify-content: space-between; align-items: baseline;
  padding: var(--s-4) clamp(1.5rem, 3.5vw, 3rem);
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  font-family: var(--f-data); font-size: var(--t-xs);
  letter-spacing: 0.1em; text-transform: uppercase;
}
.cta-panel__bar span:first-child { color: var(--ink-2); font-weight: 500; }
.cta-panel__bar span:last-child { color: var(--ink-3); }
.cta-panel__body {
  display: grid; gap: var(--s-7);
  padding: clamp(2rem, 4.5vw, 3.5rem) clamp(1.5rem, 3.5vw, 3rem) clamp(2.25rem, 4.5vw, 3.5rem);
}
@media (min-width: 62rem) {
  .cta-panel__body { grid-template-columns: minmax(0,1.2fr) minmax(0,0.8fr); gap: clamp(2.5rem, 5vw, 5rem); align-items: center; }
}
.cta-band .btn-row { margin-top: var(--s-6); }

/* ---------- 17. FOOTER ---------- */
.site-footer { background: var(--ink); color: var(--on-ink); padding-block: var(--s-9) var(--s-6); }
.site-footer__top { display: grid; gap: var(--s-8); }
@media (min-width: 56rem) {
  .site-footer__top { grid-template-columns: minmax(0,1.5fr) repeat(2, minmax(0,1fr)); gap: var(--s-8); }
}
.site-footer .logo__word { color: var(--on-ink); }
.site-footer .body-sm { color: var(--on-ink-mute); }   /* 7.6:1 on ink */
.site-footer .logo__word b { color: var(--signal-bright); }
.footer__col h2 {
  font-family: var(--f-data); font-size: var(--t-xs); font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--on-ink-mute);
  margin-bottom: var(--s-4);
}
.footer__col li + li { margin-top: var(--s-2); }
.footer__col a {
  display: inline-block;
  font-size: var(--t-sm); color: #C6D0C8;
  padding-block: 0.25rem;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.footer__col a:hover { color: var(--on-ink); border-color: var(--on-ink-mute); }
.site-footer__bottom {
  margin-top: var(--s-8); padding-top: var(--s-5);
  border-top: 1px solid var(--rule-ink);
  display: flex; flex-wrap: wrap; gap: var(--s-3) var(--s-6); justify-content: space-between;
}
.site-footer__bottom p, .site-footer__bottom li {
  font-family: var(--f-data); font-size: var(--t-2xs);
  letter-spacing: 0.06em; color: var(--on-ink-mute);
}
.site-footer__bottom ul { display: flex; flex-wrap: wrap; gap: var(--s-5); }

/* ---------- 18. MOTION / REVEAL ---------- */
/* Reveal is OPT-IN: the hidden state only exists once JS has confirmed it can
   observe and un-hide. If the script fails to load, throws, or the browser has
   no IntersectionObserver, nothing is ever hidden. */
.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 620ms var(--ease), transform 620ms var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}
.reveal-ready [data-reveal].is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal-ready [data-reveal] { opacity: 1 !important; transform: none !important; }
}

/* ---------- 19. UTILITIES ---------- */
.measure { max-width: 44rem; }
.mt-6 { margin-top: var(--s-6); }
.mt-7 { margin-top: var(--s-7); }
.mt-8 { margin-top: var(--s-8); }
.rule-top { border-top: 1px solid var(--rule); padding-top: var(--s-6); }
.on-ink .rule-top { border-color: var(--rule-ink); }

/* ---------- 20. LAYOUT UTILITIES (replace inline style attributes so the
   deployed CSP can forbid inline styles entirely) ---------- */
.self-end { align-self: end; }
.measure-narrow { max-width: 34ch; }
.no-rule { border-bottom: 0 !important; }
.icon-sm { width: 0.9rem; height: 0.9rem; }
.span-all { grid-column: 1 / -1; }
.note-mono {
  font-family: var(--f-data);
  font-size: var(--t-xs);
  letter-spacing: 0.02em;
  line-height: 1.7;
}

.statement__label a {
  border-bottom: 1px solid var(--signal-edge);
  padding-bottom: 1px;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.statement__label a:hover { color: var(--signal); border-color: var(--signal); }