/* ==========================================================================
   Allenby Accounting Solutions
   Design system: Editorial Ink & Bone
   ========================================================================== */

:root {
  /* Palette */
  --ink:        #14150F;
  --ink-90:     #24261D;
  --graphite:   #6B6B62;
  --graphite-l: #8C8C82;
  --bone:       #F5F2EA;
  --bone-d:     #EDE8DC;
  --paper:      #FCFAF6;
  --hairline:   #DDD8CC;
  --hairline-s: #E7E2D6;
  --oxblood:    #7A2E2E;
  --oxblood-d:  #5E2222;
  --oxblood-t:  #F0E4E1;

  /* Type */
  --display: "Newsreader", "Iowan Old Style", Georgia, serif;
  --body: "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  /* Fluid type scale */
  --t-hero:  clamp(2.75rem, 1.4rem + 5.4vw, 6.25rem);
  --t-h1:    clamp(2.25rem, 1.3rem + 3.8vw, 4.25rem);
  --t-h2:    clamp(1.75rem, 1.1rem + 2.6vw, 3rem);
  --t-h3:    clamp(1.3rem, 1.05rem + 0.9vw, 1.75rem);
  --t-h4:    clamp(1.075rem, 1rem + 0.35vw, 1.25rem);
  --t-lead:  clamp(1.075rem, 0.99rem + 0.5vw, 1.375rem);
  --t-body:  1.0125rem;
  --t-small: 0.9375rem;
  --t-micro: 0.75rem;

  /* Rhythm */
  --gap:      clamp(1.25rem, 0.9rem + 1.4vw, 2rem);
  --section:  clamp(4.5rem, 3rem + 7vw, 9.5rem);
  --shell:    1240px;
  --shell-n:  980px;
  --shell-t:  720px;
  --pad:      clamp(1.25rem, 0.6rem + 3vw, 3rem);

  --rule: 1px solid var(--hairline);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::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(--bone);
  color: var(--ink);
  font-family: var(--body);
  font-size: var(--t-body);
  line-height: 1.62;
  font-weight: 400;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font: inherit; color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.022em;
  margin: 0;
  text-wrap: balance;
}
p { margin: 0; text-wrap: pretty; }
ul, ol { margin: 0; padding: 0; list-style: none; }

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

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

::selection { background: var(--ink); color: var(--bone); }

/* ---------- Layout primitives ---------- */
.shell { width: 100%; max-width: var(--shell); margin-inline: auto; padding-inline: var(--pad); }
.shell--narrow { max-width: var(--shell-n); }
.shell--text   { max-width: var(--shell-t); }

.section { padding-block: var(--section); position: relative; }
.section--tight { padding-block: calc(var(--section) * 0.62); }
.section--ink { background: var(--ink); color: var(--bone); }
.section--paper { background: var(--paper); }
.section--rule { border-top: var(--rule); }

.section--ink h1, .section--ink h2, .section--ink h3 { color: var(--bone); }
.section--ink .lead, .section--ink p { color: rgba(245, 242, 234, 0.76); }
.section--ink .eyebrow { color: rgba(245, 242, 234, 0.5); }
.section--ink .eyebrow::before { background: rgba(245, 242, 234, 0.4); }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 999;
  background: var(--ink); color: var(--bone);
  padding: 0.75rem 1.25rem; font-size: var(--t-small);
}
.skip:focus { left: 0; }

/* ---------- Typographic components ---------- */
.eyebrow {
  display: flex; align-items: center; gap: 0.75rem;
  font-family: var(--body);
  font-size: var(--t-micro);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--graphite);
  margin: 0 0 1.5rem;
}
.eyebrow::before {
  content: ""; width: 2rem; height: 1px; background: var(--graphite-l); flex: none;
}
.eyebrow--plain::before { display: none; }

.hero-title { font-size: var(--t-hero); letter-spacing: -0.035em; line-height: 0.98; }
.h1 { font-size: var(--t-h1); }
.h2 { font-size: var(--t-h2); }
.h3 { font-size: var(--t-h3); }
.h4 { font-size: var(--t-h4); letter-spacing: -0.012em; }

.lead {
  font-size: var(--t-lead);
  line-height: 1.5;
  color: var(--ink-90);
  letter-spacing: -0.012em;
  max-width: 46ch;
}
.muted { color: var(--graphite); }
.small { font-size: var(--t-small); line-height: 1.55; }
.micro {
  font-size: var(--t-micro); letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--graphite); font-weight: 500;
}
.accent { color: var(--oxblood); }
.serif-em { font-family: var(--display); font-style: italic; }

.stack > * + * { margin-top: 1.25rem; }
.stack-sm > * + * { margin-top: 0.6rem; }
.stack-lg > * + * { margin-top: 2rem; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.95rem 1.6rem;
  font-size: var(--t-small); font-weight: 500; letter-spacing: -0.005em;
  border: 1px solid var(--ink); background: var(--ink); color: var(--bone);
  cursor: pointer; border-radius: 0;
  transition: background 0.28s var(--ease), color 0.28s var(--ease), border-color 0.28s var(--ease);
}
.btn:hover { background: var(--oxblood); border-color: var(--oxblood); color: #fff; }
.btn .arw { transition: transform 0.28s var(--ease); }
.btn:hover .arw { transform: translateX(4px); }

.btn--ghost { background: transparent; color: var(--ink); border-color: var(--hairline); }
.btn--ghost:hover { background: transparent; border-color: var(--ink); color: var(--ink); }

.btn--onink { background: var(--bone); border-color: var(--bone); color: var(--ink); }
.btn--onink:hover { background: var(--oxblood); border-color: var(--oxblood); color: #fff; }

.btn--ghost-onink { background: transparent; color: var(--bone); border-color: rgba(245,242,234,0.3); }
.btn--ghost-onink:hover { background: transparent; border-color: var(--bone); color: var(--bone); }

.btn-row { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }

.txtlink {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: var(--t-small); font-weight: 500;
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 3px;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}
.txtlink:hover { border-color: var(--oxblood); color: var(--oxblood); }
.txtlink .arw { transition: transform 0.25s var(--ease); }
.txtlink:hover .arw { transform: translateX(3px); }
.section--ink .txtlink { border-color: rgba(245,242,234,0.28); }
.section--ink .txtlink:hover { border-color: var(--bone); color: var(--bone); }

/* ---------- Header ---------- */
.hdr {
  position: sticky; top: 0; z-index: 100;
  background: rgba(245, 242, 234, 0.86);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.hdr.is-stuck { border-bottom-color: var(--hairline); }
.hdr__in {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; min-height: 74px;
}

.brand { display: flex; align-items: center; gap: 0.7rem; flex: none; }
.brand__mark {
  width: 34px; height: 34px; flex: none;
  background: var(--ink); color: var(--bone);
  display: grid; place-items: center;
  font-family: var(--display); font-size: 1.05rem; line-height: 1;
  padding-bottom: 2px;
}
.brand__wm { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font-family: var(--display); font-size: 1.2rem; letter-spacing: -0.02em; }
.brand__sub {
  font-size: 0.5625rem; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--graphite); margin-top: 4px; font-weight: 500;
}

.nav { display: flex; align-items: center; gap: 1.75rem; }
.nav a {
  font-size: var(--t-small); color: var(--ink-90);
  position: relative; padding-block: 4px;
  transition: color 0.22s var(--ease);
}
.nav a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--oxblood);
  transform: scaleX(0); transform-origin: left;
  transition: transform 0.28s var(--ease);
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--ink); }

.hdr__cta { display: flex; align-items: center; gap: 1.25rem; flex: none; }
.hdr__tel {
  font-size: var(--t-small); font-variant-numeric: tabular-nums;
  white-space: nowrap; color: var(--ink-90);
  border-bottom: 1px solid transparent; padding-bottom: 2px;
}
.hdr__tel:hover { border-bottom-color: var(--ink); }
.hdr .btn { padding: 0.7rem 1.15rem; }

.burger {
  display: none; width: 42px; height: 42px; flex: none;
  background: transparent; border: 1px solid var(--hairline); cursor: pointer;
  padding: 0; place-items: center;
}
.burger span {
  display: block; width: 17px; height: 1px; background: var(--ink);
  transition: transform 0.3s var(--ease), opacity 0.2s var(--ease);
}
.burger span + span { margin-top: 5px; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mnav {
  display: none;
  border-top: var(--rule);
  background: var(--bone);
  padding: 1.5rem var(--pad) 2.25rem;
}
.mnav.is-open { display: block; }
.mnav a {
  display: block; padding: 0.85rem 0;
  font-family: var(--display); font-size: 1.5rem; letter-spacing: -0.02em;
  border-bottom: 1px solid var(--hairline-s);
}
.mnav a[aria-current="page"] { color: var(--oxblood); }
.mnav__foot { margin-top: 1.75rem; display: grid; gap: 0.75rem; }

@media (max-width: 1080px) {
  .nav, .hdr__tel { display: none; }
  .burger { display: grid; }
}
@media (max-width: 560px) {
  .hdr__cta .btn { display: none; }
}

/* ---------- Hero ---------- */
.hero { padding-block: clamp(3.5rem, 2rem + 8vw, 8rem) clamp(3rem, 2rem + 5vw, 6rem); }
.hero__grid {
  display: grid; grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2.5rem, 1rem + 6vw, 6rem); align-items: end;
}
.hero__title { margin-bottom: 1.75rem; }
.hero__sub { max-width: 40ch; }

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; align-items: start; }
}

/* Panel: the bordered editorial box */
.panel {
  background: var(--paper);
  border: var(--rule);
  padding: clamp(1.5rem, 1rem + 2vw, 2.5rem);
}
.panel--ink { background: var(--ink); border-color: var(--ink-90); color: var(--bone); }
.panel__title {
  font-family: var(--body); font-size: var(--t-micro); font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--graphite);
  padding-bottom: 1.1rem; margin-bottom: 1.1rem; border-bottom: var(--rule);
}

/* Checklist */
.checks { display: grid; gap: 1.1rem; }
.checks li { display: grid; grid-template-columns: auto 1fr; gap: 0.85rem; align-items: start; }
.checks .tick {
  width: 18px; height: 18px; flex: none; margin-top: 3px;
  border: 1px solid var(--oxblood); color: var(--oxblood);
  display: grid; place-items: center; font-size: 10px; line-height: 1;
}
.checks strong { font-weight: 500; letter-spacing: -0.01em; display: block; }
.checks .small { color: var(--graphite); margin-top: 2px; }

/* ---------- Marquee / credential strip ---------- */
.credstrip {
  border-block: var(--rule);
  padding-block: 1.1rem;
  display: flex; flex-wrap: wrap; gap: 0.75rem 2.5rem; align-items: center;
}
.credstrip li {
  display: flex; align-items: center; gap: 0.55rem;
  font-size: var(--t-small); color: var(--graphite);
}
.credstrip .dot { width: 4px; height: 4px; background: var(--oxblood); flex: none; }

/* ---------- Stat row ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: var(--rule); }
.stats--2 { grid-template-columns: repeat(2, 1fr); }
.stats > li { padding: 2rem 1.5rem 0 0; border-right: var(--rule); }
.stats > li:last-child { border-right: 0; padding-right: 0; }
.stats > li:not(:first-child) { padding-left: 1.5rem; }
.stat__n {
  font-family: var(--display); font-size: clamp(2.25rem, 1.4rem + 3vw, 3.5rem);
  line-height: 1; letter-spacing: -0.03em; display: block; margin-bottom: 0.6rem;
}
.stat__l { font-size: var(--t-small); color: var(--graphite); line-height: 1.45; }

@media (max-width: 780px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats > li { border-bottom: var(--rule); padding-bottom: 1.75rem; }
  .stats > li:nth-child(2n) { border-right: 0; }
  .stats > li:nth-child(n+3) { border-bottom: 0; }
  .stats > li:nth-child(odd) { padding-left: 0; }
  .stats > li:nth-child(even) { padding-left: 1.25rem; padding-right: 0; }
}

/* ---------- Section head ---------- */
.shead { margin-bottom: clamp(2.5rem, 1.5rem + 3vw, 4.5rem); }
.shead__grid { display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: end; }
@media (max-width: 780px) { .shead__grid { grid-template-columns: 1fr; align-items: start; } }

/* ---------- Numbered steps ---------- */
.steps { border-top: var(--rule); }
.step {
  display: grid; grid-template-columns: 5.5rem 1fr 1.05fr;
  gap: clamp(1.25rem, 0.5rem + 2.5vw, 3.5rem);
  padding-block: clamp(2rem, 1.2rem + 2.5vw, 3.25rem);
  border-bottom: var(--rule);
  align-items: start;
}
.step__n {
  font-family: var(--display); font-size: 1.5rem; letter-spacing: -0.02em;
  color: var(--oxblood); font-variant-numeric: tabular-nums;
}
.step__t { margin-bottom: 0.75rem; }
.step__list { display: grid; gap: 0.65rem; }
.step__list li {
  display: grid; grid-template-columns: auto 1fr; gap: 0.75rem;
  font-size: var(--t-small); color: var(--graphite); line-height: 1.5;
}
.step__list li::before { content: ""; width: 14px; height: 1px; background: var(--hairline); margin-top: 0.7em; }

@media (max-width: 860px) {
  .step { grid-template-columns: 3rem 1fr; }
  .step__list { grid-column: 2; }
}

/* ---------- Card grids ---------- */
.grid { display: grid; gap: 0; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }

.gcard {
  padding: clamp(1.5rem, 1rem + 1.6vw, 2.25rem);
  border-right: var(--rule); border-bottom: var(--rule);
  transition: background 0.3s var(--ease);
}
.gcard:hover { background: var(--paper); }
.grid--3 > .gcard:nth-child(3n) { border-right: 0; }
.grid--2 > .gcard:nth-child(2n) { border-right: 0; }
.gcard__k {
  font-family: var(--display); font-size: 0.9375rem; color: var(--oxblood);
  display: block; margin-bottom: 1rem; font-variant-numeric: tabular-nums;
}
.gcard h3 { margin-bottom: 0.7rem; }
.gcard p { color: var(--graphite); font-size: var(--t-small); }

.grid--bordered { border-top: var(--rule); border-left: var(--rule); }
.grid--bordered > .gcard { border-right: var(--rule); }
.grid--bordered > .gcard:nth-child(3n) { border-right: var(--rule); }
.grid--bordered.grid--2 > .gcard:nth-child(2n) { border-right: var(--rule); }

@media (max-width: 900px) { .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 > .gcard:nth-child(3n) { border-right: var(--rule); }
  .grid--3 > .gcard:nth-child(2n) { border-right: 0; }
}
@media (max-width: 620px) {
  .grid--3, .grid--2 { grid-template-columns: 1fr; }
  .grid--3 > .gcard, .grid--2 > .gcard { border-right: 0 !important; }
  .grid--bordered { border-left: 0; }
}

/* ---------- Service rows ---------- */
.srow {
  display: grid; grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(1.5rem, 0.5rem + 3vw, 4rem);
  padding-block: clamp(2rem, 1.2rem + 2.5vw, 3.25rem);
  border-bottom: var(--rule); align-items: start;
}
.srow:first-child { border-top: var(--rule); }
.srow__tag {
  display: inline-block; font-size: var(--t-micro); letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--oxblood);
  border: 1px solid var(--oxblood); padding: 0.25rem 0.55rem; margin-bottom: 0.9rem;
}
.srow h3 { margin-bottom: 0.75rem; }
.srow__list { display: grid; gap: 0.6rem; margin-top: 1.25rem; }
.srow__list li {
  display: grid; grid-template-columns: auto 1fr; gap: 0.75rem;
  font-size: var(--t-small); color: var(--graphite);
}
.srow__list li::before { content: ""; width: 14px; height: 1px; background: var(--hairline); margin-top: 0.7em; }
@media (max-width: 820px) { .srow { grid-template-columns: 1fr; } }

/* ---------- Before / After ---------- */
.ba { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: var(--rule); }
.ba__col { padding: clamp(1.5rem, 1rem + 2vw, 2.5rem); }
.ba__col:first-child { border-right: var(--rule); background: var(--bone-d); }
.ba__col:last-child { background: var(--paper); }
.ba__h {
  font-size: var(--t-micro); letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--graphite); margin-bottom: 1.5rem; padding-bottom: 0.9rem;
  border-bottom: var(--rule); font-weight: 500;
}
.ba__col:last-child .ba__h { color: var(--oxblood); }
.ba ul { display: grid; gap: 1rem; }
.ba li { font-size: var(--t-small); line-height: 1.5; display: grid; grid-template-columns: auto 1fr; gap: 0.75rem; }
.ba li::before { content: ""; width: 12px; height: 1px; background: var(--graphite-l); margin-top: 0.7em; }
.ba__col:last-child li::before { background: var(--oxblood); }
@media (max-width: 720px) {
  .ba { grid-template-columns: 1fr; }
  .ba__col:first-child { border-right: 0; border-bottom: var(--rule); }
}

/* ---------- Quote ---------- */
.quote { border-left: 2px solid var(--oxblood); padding: 0.25rem 0 0.25rem 1.75rem; }
.quote p {
  font-family: var(--display); font-size: var(--t-h3); line-height: 1.3;
  letter-spacing: -0.018em; color: var(--ink);
}
.quote footer { margin-top: 1.1rem; font-size: var(--t-small); color: var(--graphite); }

.scenario { border: var(--rule); background: var(--paper); padding: clamp(1.5rem, 1rem + 2vw, 2.25rem); }
.scenario__meta {
  display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem;
  font-size: var(--t-micro); letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--graphite); padding-bottom: 1rem; margin-bottom: 1.35rem; border-bottom: var(--rule);
}
.scenario__nums { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 1.5rem; padding-top: 1.5rem; border-top: var(--rule); }
.scenario__nums .stat__n { font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2.25rem); }
@media (max-width: 620px) { .scenario__nums { grid-template-columns: 1fr 1fr; } }

.disclosure {
  font-size: var(--t-micro); letter-spacing: 0.02em; text-transform: none;
  color: var(--graphite-l); line-height: 1.6; margin-top: 1.5rem;
  border-top: 1px solid var(--hairline-s); padding-top: 1rem;
}

/* ---------- Blog ---------- */
.posts { border-top: var(--rule); }
.post-row {
  display: grid; grid-template-columns: 9rem 1fr auto;
  gap: clamp(1.25rem, 0.5rem + 2.5vw, 3rem);
  padding-block: clamp(1.75rem, 1.2rem + 2vw, 2.75rem);
  border-bottom: var(--rule); align-items: start;
  transition: background 0.3s var(--ease);
}
.post-row:hover { background: var(--paper); }
.post-row__date { font-size: var(--t-small); color: var(--graphite); font-variant-numeric: tabular-nums; }
.post-row h3 { margin-bottom: 0.6rem; max-width: 24ch; }
.post-row p { color: var(--graphite); font-size: var(--t-small); max-width: 60ch; }
@media (max-width: 780px) {
  .post-row { grid-template-columns: 1fr; gap: 0.75rem; }
  .post-row__go { display: none; }
}

.prose { max-width: 66ch; }
.prose > * + * { margin-top: 1.5rem; }
.prose h2 { font-size: var(--t-h3); margin-top: 3rem; }
.prose h3 { font-size: var(--t-h4); font-family: var(--body); font-weight: 600; margin-top: 2.25rem; }
.prose p { color: var(--ink-90); }
.prose ul { display: grid; gap: 0.85rem; }
.prose ul li { display: grid; grid-template-columns: auto 1fr; gap: 0.85rem; color: var(--ink-90); }
.prose ul li::before { content: ""; width: 14px; height: 1px; background: var(--oxblood); margin-top: 0.8em; }
.prose ol { display: grid; gap: 0.85rem; counter-reset: n; }
.prose ol li { display: grid; grid-template-columns: 1.75rem 1fr; gap: 0.5rem; color: var(--ink-90); counter-increment: n; }
.prose ol li::before { content: counter(n, decimal-leading-zero); font-family: var(--display); color: var(--oxblood); }
.prose strong { font-weight: 600; }
.prose blockquote {
  border-left: 2px solid var(--oxblood); padding-left: 1.5rem; margin-left: 0;
  font-family: var(--display); font-size: var(--t-h4); line-height: 1.45;
}
.prose .callout {
  background: var(--paper); border: var(--rule); padding: 1.5rem;
  font-size: var(--t-small);
}
.prose .callout p { margin: 0; }
.prose .callout > * + * { margin-top: 0.75rem; }

.toc { border-top: var(--rule); border-bottom: var(--rule); padding-block: 1.25rem; }
.toc ol { display: grid; gap: 0.5rem; counter-reset: t; }
.toc li { counter-increment: t; font-size: var(--t-small); }
.toc a { color: var(--graphite); border-bottom: 1px solid transparent; }
.toc a:hover { color: var(--oxblood); border-bottom-color: var(--oxblood); }

/* ---------- FAQ ---------- */
.faq { border-top: var(--rule); }
.faq details { border-bottom: var(--rule); }
.faq summary {
  cursor: pointer; list-style: none; padding-block: 1.4rem;
  display: grid; grid-template-columns: 1fr auto; gap: 1.5rem; align-items: center;
  font-family: var(--display); font-size: var(--t-h4); letter-spacing: -0.015em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; font-family: var(--body); font-size: 1.25rem; color: var(--oxblood);
  transition: transform 0.28s var(--ease);
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details > div { padding-bottom: 1.5rem; max-width: 62ch; }
.faq details p { color: var(--graphite); font-size: var(--t-small); }

/* ---------- Form ---------- */
.form { display: grid; gap: 1.15rem; }
.field { display: grid; gap: 0.45rem; }
.field > label { font-size: var(--t-micro); letter-spacing: 0.12em; text-transform: uppercase; color: var(--graphite); font-weight: 500; }
.field input, .field select, .field textarea {
  width: 100%; padding: 0.8rem 0.9rem;
  background: var(--paper); border: var(--rule); border-radius: 0;
  font-size: var(--t-small); color: var(--ink);
  transition: border-color 0.22s var(--ease);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--ink); outline: none; }
.field input:user-invalid, .field textarea:user-invalid { border-color: var(--oxblood); }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.15rem; }
@media (max-width: 620px) { .form__row { grid-template-columns: 1fr; } }
.form__note { font-size: var(--t-micro); color: var(--graphite-l); line-height: 1.6; letter-spacing: 0.01em; text-transform: none; }
.form__status { font-size: var(--t-small); padding: 0.9rem 1rem; border: 1px solid var(--oxblood); background: var(--oxblood-t); color: var(--oxblood-d); }
.form__status[hidden] { display: none; }

.contact-list { display: grid; gap: 1.5rem; }
.contact-list dt { font-size: var(--t-micro); letter-spacing: 0.14em; text-transform: uppercase; color: var(--graphite); margin-bottom: 0.35rem; font-weight: 500; }
.contact-list dd { margin: 0; font-family: var(--display); font-size: var(--t-h4); letter-spacing: -0.015em; }
.contact-list dd a { border-bottom: 1px solid var(--hairline); }
.contact-list dd a:hover { border-bottom-color: var(--oxblood); color: var(--oxblood); }

/* ---------- Split ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 1rem + 4vw, 5rem); align-items: start; }
.split--wide-left { grid-template-columns: 1.2fr 0.8fr; }
.split--wide-right { grid-template-columns: 0.8fr 1.2fr; }
@media (max-width: 880px) { .split, .split--wide-left, .split--wide-right { grid-template-columns: 1fr; } }

/* ---------- Pill list ---------- */
.pills { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.pills li {
  border: var(--rule); padding: 0.45rem 0.85rem;
  font-size: var(--t-small); color: var(--graphite); background: var(--paper);
}
.section--ink .pills li { border-color: rgba(245,242,234,0.2); background: transparent; color: rgba(245,242,234,0.8); }

/* ---------- CTA band ---------- */
.cta-band { text-align: left; }
.cta-band h2 { max-width: 20ch; margin-bottom: 1.5rem; }
.cta-band .lead { max-width: 52ch; margin-bottom: 2.25rem; }

/* ---------- Breadcrumb ---------- */
.crumbs { display: flex; flex-wrap: wrap; gap: 0.5rem; font-size: var(--t-micro); letter-spacing: 0.1em; text-transform: uppercase; color: var(--graphite-l); padding-top: 2rem; }
.crumbs a:hover { color: var(--oxblood); }
.crumbs span[aria-hidden] { opacity: 0.5; }

/* ---------- Footer ---------- */
.ftr { background: var(--ink); color: rgba(245,242,234,0.7); padding-block: clamp(3rem, 2rem + 4vw, 5rem) 2rem; }
.ftr__top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2.5rem; padding-bottom: 3rem; border-bottom: 1px solid rgba(245,242,234,0.14); }
.ftr .brand__mark { background: var(--bone); color: var(--ink); }
.ftr .brand__name { color: var(--bone); }
.ftr .brand__sub { color: rgba(245,242,234,0.5); }
.ftr__blurb { font-size: var(--t-small); max-width: 34ch; margin-top: 1.5rem; color: rgba(245,242,234,0.62); }
.ftr__h { font-size: var(--t-micro); letter-spacing: 0.16em; text-transform: uppercase; color: rgba(245,242,234,0.45); margin-bottom: 1.1rem; font-weight: 500; }
.ftr__list { display: grid; gap: 0.65rem; font-size: var(--t-small); }
.ftr__list a { color: rgba(245,242,234,0.72); transition: color 0.22s var(--ease); }
.ftr__list a:hover { color: var(--bone); }
.ftr__bot { display: flex; flex-wrap: wrap; gap: 0.75rem 2rem; justify-content: space-between; padding-top: 2rem; font-size: var(--t-micro); color: rgba(245,242,234,0.45); letter-spacing: 0.04em; }
@media (max-width: 880px) { .ftr__top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .ftr__top { grid-template-columns: 1fr; gap: 2rem; } }

/* ==========================================================================
   Diagrams
   ========================================================================== */

/* ---------- Stage flow ---------- */
.flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 0; align-items: stretch;
}
.flow__join {
  display: grid; place-items: center; gap: 0.5rem;
  padding-inline: clamp(0.5rem, 0.2rem + 1vw, 1.25rem);
  align-content: center;
}
.flow__arrow { color: var(--oxblood); font-size: 1.1rem; line-height: 1; }
.flow__label {
  font-size: 0.5625rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--graphite-l); white-space: nowrap; font-weight: 500;
}
.stage {
  display: flex; flex-direction: column;
  border: var(--rule); background: var(--paper);
  padding: clamp(1.1rem, 0.8rem + 1vw, 1.6rem);
}
.stage--start { background: transparent; border-style: dashed; border-color: var(--hairline); }
.stage--focus { background: var(--ink); border-color: var(--ink); color: var(--bone); position: relative; }
.stage--focus::before {
  content: ""; position: absolute; inset: -1px -1px auto -1px; height: 2px; background: var(--oxblood);
}
.stage--end { background: var(--oxblood-t); border-color: #E3CFCA; }
.stage__n {
  font-size: 0.5625rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--oxblood); font-weight: 500; margin-bottom: 0.5rem;
}
.stage--focus .stage__n { color: #D9A0A0; }
.stage__t {
  font-family: var(--display); font-size: clamp(1.05rem, 0.95rem + 0.5vw, 1.3rem);
  letter-spacing: -0.02em; line-height: 1.15; margin-bottom: 1rem;
}
.stage__list { display: grid; gap: 0.4rem; margin-top: auto; }
.stage__list li {
  font-size: 0.8125rem; line-height: 1.4; color: var(--graphite);
  background: var(--bone); border: 1px solid var(--hairline-s);
  padding: 0.55rem 0.7rem;
}
.stage--focus .stage__list li { background: rgba(245,242,234,0.06); border-color: rgba(245,242,234,0.14); color: rgba(245,242,234,0.8); }
.stage--end .stage__list li { background: transparent; border: 0; padding: 0.15rem 0; display: grid; grid-template-columns: auto 1fr; gap: 0.55rem; color: var(--ink-90); }
.stage--end .stage__list li::before {
  content: "\2713"; color: var(--oxblood); font-size: 0.7rem; margin-top: 0.15em;
}
.stage__note { font-size: 0.8125rem; line-height: 1.45; color: rgba(245,242,234,0.7); margin-top: auto; }
.stage__hub {
  border: 1px dashed rgba(245,242,234,0.3); padding: 1.1rem 0.75rem; text-align: center;
  font-size: 0.8125rem; color: rgba(245,242,234,0.9); margin-bottom: 0.9rem;
  font-family: var(--display); letter-spacing: -0.01em;
}

@media (max-width: 1000px) {
  .flow { grid-template-columns: 1fr auto 1fr; }
  .flow__join--wrap { display: none; }
}
@media (max-width: 720px) {
  .flow { grid-template-columns: 1fr; }
  .flow__join, .flow__join--wrap { display: grid; grid-auto-flow: column; padding: 0.85rem 0; }
  .flow__arrow { transform: rotate(90deg); }
}

/* ---------- Drift timeline ---------- */
.drift { border-top: var(--rule); }
.drift__row {
  display: grid; grid-template-columns: 7rem 1fr 1fr;
  gap: clamp(1rem, 0.5rem + 2vw, 2.5rem);
  padding-block: clamp(1.5rem, 1rem + 1.5vw, 2.25rem);
  border-bottom: var(--rule); align-items: start; position: relative;
}
.drift__when {
  font-family: var(--display); font-size: clamp(1.1rem, 0.9rem + 0.8vw, 1.5rem);
  letter-spacing: -0.02em; line-height: 1.1;
}
.drift__when span { display: block; font-family: var(--body); font-size: var(--t-micro); letter-spacing: 0.14em; text-transform: uppercase; color: var(--graphite-l); margin-top: 0.4rem; font-weight: 500; }
.drift__bar { height: 6px; background: var(--hairline-s); margin-bottom: 1rem; position: relative; overflow: hidden; }
.drift__bar i { position: absolute; inset: 0 auto 0 0; background: var(--oxblood); display: block; }
.drift__what h4 { font-family: var(--body); font-weight: 600; font-size: var(--t-small); margin-bottom: 0.45rem; letter-spacing: 0; }
.drift__what p { font-size: var(--t-small); color: var(--graphite); }
.drift__cost { font-size: var(--t-small); color: var(--graphite); }
.drift__cost strong { display: block; font-family: var(--display); font-size: var(--t-h4); color: var(--ink); font-weight: 400; margin-bottom: 0.4rem; letter-spacing: -0.015em; }
@media (max-width: 820px) {
  .drift__row { grid-template-columns: 1fr; gap: 1rem; }
}

/* ---------- Ledger visual ---------- */
.ledger { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: var(--rule); }
.ledger__side { padding: clamp(1.25rem, 1rem + 1.5vw, 2rem); }
.ledger__side:first-child { border-right: var(--rule); background: var(--bone-d); }
.ledger__side:last-child { background: var(--paper); }
.ledger__h {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem;
  font-size: var(--t-micro); letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--graphite); padding-bottom: 0.9rem; margin-bottom: 1.1rem; border-bottom: var(--rule); font-weight: 500;
}
.ledger__side:last-child .ledger__h { color: var(--oxblood); }
.lrow {
  display: grid; grid-template-columns: 1fr auto auto;
  gap: 0.75rem; align-items: center;
  padding: 0.6rem 0; border-bottom: 1px dashed var(--hairline-s);
  font-size: 0.8125rem;
}
.lrow:last-child { border-bottom: 0; }
.lrow__name { color: var(--ink-90); }
.lrow__val { font-variant-numeric: tabular-nums; color: var(--graphite); letter-spacing: -0.01em; }
.lrow__flag {
  width: 16px; height: 16px; display: grid; place-items: center;
  font-size: 9px; line-height: 1; border: 1px solid currentColor; flex: none;
}
.lrow--bad .lrow__flag { color: var(--oxblood); }
.lrow--bad .lrow__val { color: var(--oxblood); text-decoration: line-through; text-decoration-thickness: 1px; }
.lrow--ok .lrow__flag { color: #3F6B4F; }
.lrow--ok .lrow__val { color: var(--ink); }
.ledger__foot {
  margin-top: 1.25rem; padding-top: 0.9rem; border-top: var(--rule);
  display: flex; justify-content: space-between; gap: 1rem;
  font-size: var(--t-micro); letter-spacing: 0.1em; text-transform: uppercase; color: var(--graphite);
}
.ledger__foot strong { font-family: var(--display); font-size: var(--t-body); letter-spacing: -0.01em; text-transform: none; font-weight: 400; }
.ledger__side:last-child .ledger__foot strong { color: var(--oxblood); }
@media (max-width: 760px) {
  .ledger { grid-template-columns: 1fr; }
  .ledger__side:first-child { border-right: 0; border-bottom: var(--rule); }
}

.dgm-cap {
  font-size: var(--t-micro); color: var(--graphite-l); letter-spacing: 0.02em;
  text-transform: none; margin-top: 1.25rem; line-height: 1.6;
}

/* ---------- Reveal ---------- */
.rv { opacity: 0; transform: translateY(14px); }
.rv.is-in { opacity: 1; transform: none; transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
@media (prefers-reduced-motion: reduce) {
  .rv, .rv.is-in { opacity: 1; transform: none; transition: none; }
  * { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}
.no-js .rv { opacity: 1; transform: none; }

/* ---------- Print ---------- */
@media print {
  .hdr, .ftr, .burger, .mnav, .btn { display: none !important; }
  body { background: #fff; color: #000; }
}