/* ============================================================
   THE LEDGER · Link Think delivery specification
   Paper, ink, one accent. Hairlines everywhere. Nothing loud.
   ============================================================ */

/* ---------- fonts (self-hosted, latin subsets) ---------- */
@font-face {
  font-family: 'Archivo';
  src: url('../fonts/archivo-v25-latin-regular.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Archivo';
  src: url('../fonts/archivo-v25-latin-500.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Archivo';
  src: url('../fonts/archivo-v25-latin-600.woff2') format('woff2');
  font-weight: 600; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'Archivo';
  src: url('../fonts/archivo-v25-latin-700.woff2') format('woff2');
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/ibm-plex-mono-v20-latin-regular.woff2') format('woff2');
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/ibm-plex-mono-v20-latin-500.woff2') format('woff2');
  font-weight: 500; font-style: normal; font-display: swap;
}

/* ---------- tokens ---------- */
:root {
  --paper: #fafaf7;
  --paper-raised: #f4f4ef;
  --ink: #16150f;
  --ink-soft: #4c4a41;
  --ink-faint: #8a887c;
  --hairline: rgba(22, 21, 15, 0.16);
  --hairline-strong: rgba(22, 21, 15, 0.42);
  --accent: #ff4f00;          /* international orange: strokes, large marks */
  --accent-ink: #c23c00;      /* darker cut for small text, AA on paper */
  --sans: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'IBM Plex Mono', 'SF Mono', Menlo, monospace;
  --max: 1200px;
  --gutter: 24px;
  --rail: 56px;               /* breathing room for the progress rail */
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  font-feature-settings: 'tnum' 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
::selection { background: var(--accent); color: var(--paper); }

/* ---------- the visible grid ---------- */
.grid-overlay {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  max-width: var(--max);
  margin-inline: auto;
  background-image: linear-gradient(to right, rgba(22,21,15,0.055) 1px, transparent 1px);
  background-size: calc(100% / 12) 100%;
  border-right: 1px solid rgba(22,21,15,0.055);
}
@media (max-width: 720px) {
  .grid-overlay { background-size: calc(100% / 6) 100%; }
}

.wrap {
  position: relative; z-index: 1;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- type helpers ---------- */
.mono { font-family: var(--mono); }
.tag {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft);
}
.tag--accent { color: var(--accent-ink); }
.figure { font-family: var(--mono); font-variant-numeric: tabular-nums; }

h1, h2, h3 { font-weight: 600; letter-spacing: -0.02em; line-height: 1.08; }
h1 { font-size: clamp(40px, 6.2vw, 78px); letter-spacing: -0.03em; }
h2 { font-size: clamp(28px, 3.4vw, 44px); }
h3 { font-size: 20px; letter-spacing: -0.01em; }
p  { max-width: 62ch; }

.lede { font-size: clamp(18px, 1.6vw, 21px); line-height: 1.55; color: var(--ink-soft); }

.u-link {
  text-decoration: none;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 1px;
  transition: background-size 0.35s cubic-bezier(0.22, 1, 0.36, 1);
  padding-bottom: 2px;
}
.u-link:hover, .u-link:focus-visible { background-size: 100% 1px; }

/* ---------- buttons: machined ---------- */
.btn {
  position: relative;
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--mono); font-size: 12px; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  text-decoration: none; cursor: pointer;
  padding: 15px 26px;
  border: 1px solid var(--ink);
  background: transparent; color: var(--ink);
  transition: background-color 0.18s ease, color 0.18s ease;
}
.btn .btn-tick { color: var(--accent); transition: transform 0.25s cubic-bezier(0.22,1,0.36,1); }
.btn:hover, .btn:focus-visible { background: var(--ink); color: var(--paper); }
.btn:hover .btn-tick, .btn:focus-visible .btn-tick { transform: translateX(4px); }
.btn--solid { background: var(--ink); color: var(--paper); }
.btn--solid:hover, .btn--solid:focus-visible { background: var(--accent); border-color: var(--accent); color: var(--paper); }
.btn--solid .btn-tick { color: var(--accent); }
.btn--solid:hover .btn-tick { color: var(--paper); }

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

/* ---------- masthead ---------- */
.masthead {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--hairline);
}
.masthead .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; height: 58px;
}
.wordmark {
  font-weight: 700; font-size: 15px; letter-spacing: 0.02em;
  text-decoration: none; display: inline-flex; align-items: center; gap: 10px;
}
.wordmark .dot { width: 8px; height: 8px; background: var(--accent); }
.doc-meta { display: flex; gap: 20px; align-items: center; }
.doc-meta .tag { color: var(--ink-faint); }
.masthead .btn { padding: 9px 16px; font-size: 10px; }
@media (max-width: 860px) { .doc-meta .tag { display: none; } }

/* ---------- progress rail ---------- */
.rail {
  position: fixed; right: 20px; top: 50%; transform: translateY(-50%);
  z-index: 30; display: none;
}
@media (min-width: 1330px) { .rail { display: block; } }
.rail ol { list-style: none; }
.rail a {
  display: flex; align-items: center; gap: 8px; justify-content: flex-end;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em;
  color: var(--ink-faint); text-decoration: none;
  padding: 4px 0;
}
.rail a::after {
  content: ''; width: 14px; height: 1px; background: var(--hairline-strong);
  transition: width 0.25s ease, background-color 0.25s ease;
}
.rail a:hover { color: var(--ink); }
.rail a.is-active { color: var(--accent-ink); }
.rail a.is-active::after { width: 26px; background: var(--accent); }

/* ---------- section chrome ---------- */
.sec { border-top: 1px solid var(--hairline); position: relative; }
.sec > .wrap { padding-block: clamp(64px, 9vw, 128px); }

.sec-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gutter);
  row-gap: 40px;
}
.sec-side { grid-column: 1 / span 3; }
.sec-main { grid-column: 4 / span 9; }
@media (max-width: 960px) {
  .sec-side { grid-column: 1 / -1; }
  .sec-main { grid-column: 1 / -1; }
  .sec-grid { row-gap: 28px; }
}

.sec-side .inner { position: sticky; top: 90px; }
.sec-no {
  font-family: var(--mono); font-size: 12px; font-weight: 500;
  color: var(--accent-ink); letter-spacing: 0.08em;
  display: flex; align-items: center; gap: 10px;
}
.sec-no::after { content: ''; flex: 1; height: 1px; background: var(--hairline); }
.sec-title-side {
  margin-top: 10px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--ink-soft);
}

/* ---------- hero ---------- */
.hero { border-top: none; }
.hero > .wrap { padding-top: clamp(56px, 8vw, 110px); padding-bottom: clamp(56px, 7vw, 96px); }
.hero-kicker { display: flex; gap: 14px; align-items: baseline; flex-wrap: wrap; margin-bottom: 28px; }
.hero h1 { max-width: 15ch; margin-bottom: 30px; text-wrap: balance; }
.hero h1 em { font-style: normal; color: var(--accent-ink); }
.hero .lede { max-width: 56ch; margin-bottom: 44px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; margin-bottom: 24px; }
.hero-cta .aside { font-family: var(--mono); font-size: 11px; color: var(--ink-faint); letter-spacing: 0.04em; }

/* hero grid + sample feed */
.hero-grid { display: block; }
.hero-grid .feed { margin-top: clamp(40px, 5vw, 56px); }
@media (min-width: 1100px) {
  .hero-grid { display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--gutter); align-items: start; }
  .hero-main { grid-column: 1 / span 7; }
  .hero-grid .feed { grid-column: 8 / span 5; margin-top: 6px; }
}

/* the sample feed: a printed table that is somehow alive */
.feed {
  border: 1px solid var(--hairline-strong); background: var(--paper);
  box-shadow: 0 1px 0 rgba(22,21,15,0.03), 0 24px 44px -30px rgba(22,21,15,0.3);
}
.feed-titleblock {
  display: flex; flex-wrap: wrap; gap: 4px 24px; align-items: baseline;
  padding: 11px 16px; border-bottom: 1px solid var(--hairline-strong);
}
.feed-cols {
  display: flex; justify-content: space-between; gap: 12px;
  padding: 8px 16px 7px; border-bottom: 1px solid var(--hairline);
}
.feed-cols .tag { font-size: 9.5px; color: var(--ink-faint); }
.feed-rows { list-style: none; }
.feed-row {
  position: relative; overflow: hidden;
  display: flex; justify-content: space-between; align-items: flex-start; gap: 14px;
  padding: 11px 16px 12px; border-bottom: 1px dashed var(--hairline);
}
.feed-row:last-child { border-bottom: none; }
.feed-co { font-size: 14px; font-weight: 500; letter-spacing: -0.01em; line-height: 1.35; max-width: none; }
.feed-sig { margin-top: 3px; font-family: var(--mono); font-size: 10.5px; color: var(--ink-soft); letter-spacing: 0.02em; max-width: none; }
.feed-mark {
  flex: none; display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--mono); font-size: 9.5px; font-weight: 500;
  letter-spacing: 0.14em; color: var(--accent-ink); white-space: nowrap;
  padding-top: 4px;
}
.feed-mark::before { content: ''; width: 6px; height: 6px; background: var(--accent); flex: none; }
.feed-foot {
  padding: 9px 16px; border-top: 1px solid var(--hairline-strong);
  font-family: var(--mono); font-size: 9.5px; color: var(--ink-faint);
  letter-spacing: 0.06em; max-width: none;
}
.js .feed-row.is-entering { animation: feed-in 0.5s cubic-bezier(0.22, 1, 0.36, 1); }
@keyframes feed-in {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .js .feed-row.is-entering { animation: none; }
}

/* hero contents index, one compressed line */
.hero-index {
  margin-top: 18px; padding-top: 14px;
  display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: baseline;
}
.hero-index .tag { color: var(--ink-faint); }
.hero-index a {
  font-family: var(--mono); font-size: 10px; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-soft); text-decoration: none;
}
.hero-index a .no { color: var(--accent-ink); margin-right: 7px; }
.hero-index a:hover, .hero-index a:focus-visible { color: var(--ink); }

/* scroll progress hairline */
.progress-line {
  position: absolute; left: 0; bottom: -1px; height: 2px; width: 100%;
  background: var(--accent); transform: scaleX(0); transform-origin: 0 50%;
  pointer-events: none;
}

/* stat strip (top hairline is a drawn pseudo-element, see hero motion block) */
.stat-strip {
  position: relative;
  margin-top: clamp(40px, 5vw, 64px);
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--hairline);
}
.stat-strip::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 1px;
  background: var(--hairline-strong); transform-origin: 0 50%;
}
.stat {
  padding: 22px 20px 20px 0;
  border-right: 1px solid var(--hairline);
}
.stat:last-child { border-right: none; }
.stat + .stat { padding-left: 20px; }
.stat .figure { font-size: clamp(26px, 3vw, 40px); font-weight: 500; letter-spacing: -0.02em; line-height: 1.1; }
.stat .figure sub { font-size: 0.45em; vertical-align: baseline; color: var(--ink-faint); }
.stat .label { margin-top: 8px; font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); max-width: none; }
.stat .src { margin-top: 3px; font-family: var(--mono); font-size: 9.5px; color: var(--ink-faint); max-width: none; }
.stat .src a { color: var(--accent-ink); text-decoration: none; border-bottom: 1px solid var(--accent); padding-bottom: 1px; }
.stat .src a:hover { color: var(--accent); }
@media (max-width: 860px) {
  .stat-strip { grid-template-columns: 1fr 1fr; }
  .stat { border-bottom: 1px solid var(--hairline); padding-left: 0; }
  .stat + .stat { padding-left: 0; }
  .stat:nth-child(even) { padding-left: 20px; border-right: none; }
  .stat:nth-child(n+3) { border-bottom: none; }
}

/* ---------- 01 problem ---------- */
.problem-pair { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gutter); margin-top: 40px; }
@media (max-width: 760px) { .problem-pair { grid-template-columns: 1fr; } }
.ledger-card { border: 1px solid var(--hairline-strong); padding: 26px 24px; background: var(--paper); }
.ledger-card .tag { display: block; margin-bottom: 14px; }
.ledger-card p { font-size: 15.5px; color: var(--ink-soft); }
.ledger-card ul { list-style: none; margin-top: 4px; }
.ledger-card li {
  font-family: var(--mono); font-size: 13px; padding: 9px 0;
  border-bottom: 1px dashed var(--hairline); color: var(--ink-soft);
  display: flex; justify-content: space-between; gap: 12px;
}
.ledger-card li:last-child { border-bottom: none; }
.ledger-card li .state { color: var(--accent-ink); white-space: nowrap; }
.ledger-card li .state--ok { color: var(--ink-faint); }

.pull {
  margin-top: 48px; padding: 30px 0 0; border-top: 1px solid var(--hairline);
  font-size: clamp(21px, 2.4vw, 28px); font-weight: 500; letter-spacing: -0.015em;
  line-height: 1.35; max-width: 30ch;
}
.pull strong { color: var(--accent-ink); font-weight: 500; }

/* ---------- 02 signal ---------- */
.signal-steps { counter-reset: sig; margin-top: 40px; border-top: 1px solid var(--hairline-strong); }
.signal-step {
  display: grid; grid-template-columns: 90px 1fr; gap: var(--gutter);
  padding: 26px 0; border-bottom: 1px solid var(--hairline);
}
.signal-step .no { font-family: var(--mono); font-size: 12px; color: var(--accent-ink); padding-top: 4px; }
.signal-step h3 { margin-bottom: 8px; }
.signal-step p { color: var(--ink-soft); font-size: 16px; }
@media (max-width: 600px) { .signal-step { grid-template-columns: 56px 1fr; } }

/* ---------- 03 engine diagram ---------- */
.diagram-frame {
  margin-top: 40px;
  border: 1px solid var(--hairline-strong);
  background:
    linear-gradient(to right, rgba(22,21,15,0.035) 1px, transparent 1px) 0 0 / 40px 40px,
    linear-gradient(to bottom, rgba(22,21,15,0.035) 1px, transparent 1px) 0 0 / 40px 40px,
    var(--paper);
}
.diagram-titleblock {
  display: flex; flex-wrap: wrap; gap: 4px 28px; align-items: baseline;
  padding: 12px 18px; border-bottom: 1px solid var(--hairline-strong);
}
.diagram-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.diagram-scroll svg { min-width: 980px; width: 100%; height: auto; display: block; }
.diagram-foot {
  display: flex; flex-wrap: wrap; gap: 10px 28px;
  padding: 12px 18px; border-top: 1px solid var(--hairline-strong);
}
.legend-item { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); }
.legend-swatch { width: 18px; height: 10px; border: 1px solid var(--hairline-strong); }
.legend-swatch--accent { border-color: var(--accent); }
.legend-line { width: 18px; height: 1px; background: var(--ink); position: relative; }
.legend-line::after { content: ''; position: absolute; right: -1px; top: -2.5px; border-left: 5px solid var(--ink); border-top: 3px solid transparent; border-bottom: 3px solid transparent; }
.scroll-hint { display: none; font-family: var(--mono); font-size: 10px; color: var(--ink-faint); letter-spacing: 0.1em; padding: 8px 18px 0; }
@media (max-width: 1020px) { .scroll-hint { display: block; } }

/* svg internals */
.eng-box { fill: var(--paper); stroke: var(--ink); stroke-width: 1.25; }
.eng-box--accent { stroke: var(--accent); stroke-width: 1.5; }
.eng-flow { fill: none; stroke: var(--ink); stroke-width: 1.25; }
.eng-label { font-family: var(--mono); font-size: 10px; letter-spacing: 0.08em; fill: var(--ink-faint); }
.eng-no { font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; fill: var(--accent-ink); font-weight: 500; }
.eng-title { font-family: var(--sans); font-size: 15px; font-weight: 600; fill: var(--ink); letter-spacing: -0.01em; }
.eng-sub { font-family: var(--mono); font-size: 9.5px; fill: var(--ink-soft); letter-spacing: 0.03em; }
.eng-dot { fill: var(--accent); }
.eng-margin { stroke: var(--hairline-strong); stroke-width: 1; }

.js .eng-flow { stroke-dasharray: var(--len, 600); stroke-dashoffset: var(--len, 600); }
.js .eng-node { opacity: 0; transform: translateY(6px); }
.js .diagram-frame.is-inview .eng-flow { animation: draw 1.1s cubic-bezier(0.4, 0, 0.2, 1) forwards; animation-delay: var(--d, 0s); }
.js .diagram-frame.is-inview .eng-node { animation: node-in 0.55s cubic-bezier(0.22, 1, 0.36, 1) forwards; animation-delay: var(--d, 0s); }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes node-in { to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) {
  .js .eng-flow { stroke-dasharray: none; stroke-dashoffset: 0; animation: none; }
  .js .eng-node { opacity: 1; transform: none; animation: none; }
}

/* ---------- fig 03.1 operated tooling marquee ---------- */
.tooling { position: relative; z-index: 1; border-top: 1px solid var(--hairline); overflow: hidden; }
.tooling-head {
  display: flex; flex-wrap: wrap; gap: 4px 28px; align-items: baseline;
  padding-block: 14px;
}
.marquee { overflow: hidden; border-top: 1px solid var(--hairline); padding-block: 28px; }
.marquee-track { display: flex; width: max-content; animation: marquee 38s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-group {
  list-style: none; display: flex; align-items: center;
  gap: 56px; padding-right: 56px; min-width: max-content;
}
.tool { display: inline-flex; align-items: center; gap: 14px; }
.tool::before { content: ''; width: 5px; height: 5px; background: var(--accent); flex: none; margin-right: 14px; }
.tool-logo { height: 26px; width: auto; }
.tool-logo--tile { height: 24px; filter: grayscale(1) contrast(1.15); }
.tool-logo--wide { height: 25px; }
.tool-logo--mark { height: 21px; }
.tool-name, .tool-word {
  font-family: var(--sans); font-weight: 600; font-size: 20px;
  letter-spacing: -0.01em; color: var(--ink); white-space: nowrap;
}
@keyframes marquee { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; width: auto; display: block; }
  .marquee-group { flex-wrap: wrap; gap: 22px 44px; min-width: 0; padding-right: 0; max-width: var(--max); margin-inline: auto; padding-inline: var(--gutter); }
  .marquee-group[aria-hidden="true"] { display: none; }
}

/* ---------- 04 spec table ---------- */
.spec-table { margin-top: 40px; border-top: 1px solid var(--hairline-strong); }
.spec-row {
  display: grid; grid-template-columns: 90px 1fr 130px; gap: var(--gutter);
  align-items: baseline;
  padding: 18px 0; border-bottom: 1px solid var(--hairline);
}
.spec-row .ref { font-family: var(--mono); font-size: 11.5px; color: var(--ink-faint); }
.spec-row h3 { font-size: 17px; margin-bottom: 4px; }
.spec-row p { font-size: 15px; color: var(--ink-soft); max-width: 58ch; }
.spec-row .state {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em;
  text-transform: uppercase; text-align: right; white-space: nowrap;
}
.state--in { color: var(--accent-ink); }
.state--out { color: var(--ink-faint); text-decoration: line-through; text-decoration-color: var(--hairline-strong); text-decoration-thickness: 1px; }
.spec-divider {
  max-width: none;
  padding: 26px 0 10px; font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--ink-soft);
  border-bottom: 1px solid var(--hairline-strong);
}
@media (max-width: 640px) {
  .spec-row { grid-template-columns: 56px 1fr; gap: 4px var(--gutter); }
  .spec-row .state { grid-column: 2; text-align: left; }
}

/* ---------- 05 engagement terms ---------- */
.terms-lines { list-style: none; margin-top: 40px; border: 1px solid var(--hairline-strong); background: var(--paper); }
.terms-lines li {
  display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: baseline;
  padding: 17px 28px; border-bottom: 1px solid var(--hairline);
  font-size: 15px;
}
.terms-lines li:last-child { border-bottom: none; }
.terms-lines .k { color: var(--ink-soft); }
.terms-lines .v { font-family: var(--mono); font-size: 13px; text-align: right; }
@media (max-width: 640px) {
  .terms-lines li { grid-template-columns: 1fr; gap: 4px; padding: 15px 20px; }
  .terms-lines .v { text-align: left; font-size: 12px; }
}
.terms-cta { margin-top: 30px; }
.honesty {
  margin-top: 28px; border-left: 2px solid var(--accent);
  padding: 6px 0 6px 22px; max-width: 60ch;
}
.honesty p { color: var(--ink); font-size: 16.5px; }
.honesty .tag { display: block; margin-bottom: 8px; }

/* ---------- 06 operator ---------- */
.id-card {
  margin-top: 40px; display: grid; grid-template-columns: 240px 1fr;
  border: 1px solid var(--hairline-strong); background: var(--paper);
}
@media (max-width: 720px) { .id-card { grid-template-columns: 1fr; } }
.id-photo {
  border-right: 1px solid var(--hairline-strong);
  min-height: 320px; display: grid; place-items: center; position: relative;
  background:
    linear-gradient(to right, rgba(22,21,15,0.04) 1px, transparent 1px) 0 0 / 24px 24px,
    linear-gradient(to bottom, rgba(22,21,15,0.04) 1px, transparent 1px) 0 0 / 24px 24px;
}
@media (max-width: 720px) { .id-photo { border-right: none; border-bottom: 1px solid var(--hairline-strong); min-height: 0; aspect-ratio: 4/3; } }
.id-photo img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: 50% 22%;
  filter: grayscale(1) contrast(1.04);
}
.id-fields { padding: 28px 30px; display: flex; flex-direction: column; gap: 0; }
.id-fields dl { display: grid; grid-template-columns: 120px 1fr; row-gap: 12px; column-gap: 18px; font-size: 15px; }
.id-fields dt { font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint); padding-top: 4px; }
.id-fields dd { color: var(--ink); min-width: 0; overflow-wrap: anywhere; }
@media (max-width: 480px) {
  .id-fields dl { grid-template-columns: 1fr; row-gap: 2px; }
  .id-fields dt { padding-top: 12px; }
}
.id-fields dd a { text-decoration: none; }
.id-quote { margin-top: 22px; padding-top: 18px; border-top: 1px dashed var(--hairline); font-size: 16px; color: var(--ink-soft); font-style: italic; }

/* ---------- 07 evidence: case studies ---------- */
.case-grid { margin-top: 40px; display: grid; grid-template-columns: 1fr 1fr; gap: var(--gutter); align-items: stretch; }
@media (max-width: 900px) { .case-grid { grid-template-columns: 1fr; } }
.case { border: 1px solid var(--hairline-strong); background: var(--paper); display: flex; flex-direction: column; }
.case-head {
  display: flex; align-items: center; gap: 18px;
  padding: 15px 22px; border-bottom: 1px solid var(--hairline-strong);
}
.case-head .ref { font-family: var(--mono); font-size: 11.5px; color: var(--ink-faint); }
.case-head .state { margin-left: auto; font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; white-space: nowrap; }
.case-logo { height: 24px; width: auto; filter: grayscale(1) contrast(1.1); }
.case-wordmark {
  font-weight: 700; font-size: 17px; letter-spacing: 0.18em;
  text-transform: uppercase; line-height: 1;
}
.case-quote { padding: 24px 22px 26px; flex: 1; }
.case-quote p { font-size: 17.5px; line-height: 1.55; color: var(--ink); max-width: 46ch; }
.case-stats { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--hairline); }
.case-stat { padding: 14px 16px 13px; border-right: 1px solid var(--hairline); }
.case-stat:last-child { border-right: none; }
.case-stat .figure { font-size: 23px; font-weight: 500; letter-spacing: -0.02em; line-height: 1.1; color: var(--accent-ink); }
.case-stat dt { margin-top: 5px; font-family: var(--mono); font-size: 9.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); }
.case-meta { display: flex; align-items: center; gap: 14px; padding: 15px 22px; border-top: 1px solid var(--hairline); }
.case-photo { width: 52px; height: 52px; object-fit: cover; border: 1px solid var(--hairline-strong); filter: grayscale(1) contrast(1.04); flex: none; }
.case-name { font-weight: 600; font-size: 15px; line-height: 1.3; }
.case-role { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-faint); margin-top: 2px; }
.case-role a { color: inherit; text-decoration: none; border-bottom: 1px solid var(--hairline-strong); }
.case-role a:hover { color: var(--accent-ink); border-bottom-color: var(--accent); }
.evidence-promise { margin-top: 30px; font-size: 15.5px; color: var(--ink-soft); max-width: 56ch; }

/* ---------- 08 sample ---------- */
.sample-box { margin-top: 40px; border: 1px solid var(--ink); padding: clamp(28px, 4vw, 48px); position: relative; background: var(--paper); }
.sample-box::before {
  content: ''; position: absolute; inset: 6px; border: 1px solid var(--hairline);
  pointer-events: none;
}
.sample-box h3 { font-size: clamp(24px, 2.6vw, 32px); margin: 10px 0 12px; max-width: 24ch; letter-spacing: -0.02em; }
.sample-box > p { color: var(--ink-soft); margin-bottom: 28px; }
.sample-form { display: grid; grid-template-columns: 1fr 1fr auto; gap: 12px; align-items: end; max-width: 720px; }
@media (max-width: 760px) { .sample-form { grid-template-columns: 1fr; } }
.field label { display: block; font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 8px; }
.field input {
  width: 100%; font-family: var(--mono); font-size: 14px; color: var(--ink);
  background: transparent; border: none; border-bottom: 1px solid var(--hairline-strong);
  padding: 10px 2px; border-radius: 0;
}
.field input::placeholder { color: var(--ink-faint); }
.field input:focus { outline: none; border-bottom-color: var(--accent); }
.sample-form .btn { justify-content: center; }
.form-note { margin-top: 16px; font-family: var(--mono); font-size: 10.5px; color: var(--ink-faint); letter-spacing: 0.04em; max-width: none; }
.form-note a { color: var(--accent-ink); }
.form-sent { margin-top: 16px; font-family: var(--mono); font-size: 12px; color: var(--accent-ink); display: none; }
.form-sent.is-shown { display: block; }

/* ---------- 09 the vault ---------- */
.vault-box { margin-top: 40px; border: 1px solid var(--ink); background: var(--paper); }
.vault-head {
  display: flex; flex-wrap: wrap; gap: 4px 28px; align-items: baseline;
  padding: 12px 20px; border-bottom: 1px solid var(--hairline-strong);
  background: var(--paper-raised);
}
.vault-lines { }
.vault-line {
  display: grid; grid-template-columns: 110px 1fr auto; gap: var(--gutter); align-items: baseline;
  padding: 18px 20px; border-bottom: 1px solid var(--hairline);
}
.vault-line .ref { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; color: var(--ink-faint); }
.vault-line h3 { font-size: 16.5px; margin-bottom: 4px; }
.vault-line p { font-size: 14.5px; color: var(--ink-soft); max-width: 54ch; }
.vault-line .lock {
  font-family: var(--mono); font-size: 10px; font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent-ink);
  display: inline-flex; align-items: center; gap: 8px; white-space: nowrap;
}
.vault-line .lock::before {
  content: ''; width: 8px; height: 8px; border: 1px solid var(--accent); flex: none;
  background: repeating-linear-gradient(-45deg, var(--accent) 0 1px, transparent 1px 4px);
}
@media (max-width: 640px) {
  .vault-line { grid-template-columns: 1fr; gap: 6px; }
}
.vault-gate {
  display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: end;
  padding: 22px 20px 26px; border-top: 1px solid var(--hairline-strong);
  background: var(--paper-raised);
}
@media (max-width: 640px) { .vault-gate { grid-template-columns: 1fr; } }
.vault-gate .btn { justify-content: center; }
.vault-box .form-sent { padding: 0 20px; }
.vault-box .form-sent.is-shown { margin: 14px 0 0; }
.vault-note { padding: 12px 20px 18px; margin-top: 0; }

/* ---------- 09 faq ---------- */
.faq-list { margin-top: 40px; border-top: 1px solid var(--hairline-strong); }
.faq-list details { border-bottom: 1px solid var(--hairline); }
.faq-list summary {
  list-style: none; cursor: pointer; display: grid;
  grid-template-columns: 90px 1fr 24px; gap: var(--gutter); align-items: baseline;
  padding: 22px 0;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary .ref { font-family: var(--mono); font-size: 11.5px; color: var(--ink-faint); }
.faq-list summary h3 { font-size: 18px; font-weight: 500; }
.faq-list summary .ind { font-family: var(--mono); font-size: 16px; color: var(--accent-ink); text-align: right; transition: transform 0.25s ease; transform-origin: center; }
.faq-list details[open] summary .ind { transform: rotate(45deg); }
.faq-list summary:hover h3 { color: var(--accent-ink); }
.faq-list summary:hover .ref { color: var(--accent-ink); }
.faq-body { padding: 0 0 26px; display: grid; grid-template-columns: 90px 1fr; gap: var(--gutter); }
.faq-body p { grid-column: 2; color: var(--ink-soft); font-size: 16px; max-width: 58ch; }
@media (max-width: 600px) {
  .faq-list summary { grid-template-columns: 48px 1fr 20px; }
  .faq-body { grid-template-columns: 48px 1fr; }
}

/* ---------- 10 book ---------- */
.book { background: var(--ink); color: var(--paper); }
.book .sec-no { color: var(--accent); }
.book .sec-no::after { background: rgba(250,250,247,0.2); }
.book .sec-title-side { color: rgba(250,250,247,0.6); }
.book h2 { max-width: 18ch; text-wrap: balance; }
.book .lede { color: rgba(250,250,247,0.75); margin-top: 22px; max-width: 54ch; }
.book-cta { margin-top: 40px; display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.book .btn { border-color: var(--paper); color: var(--paper); }
.book .btn:hover, .book .btn:focus-visible { background: var(--accent); border-color: var(--accent); color: var(--paper); }
.book .btn--solid { background: var(--accent); border-color: var(--accent); color: var(--paper); }
.book .btn--solid:hover { background: var(--paper); border-color: var(--paper); color: var(--ink); }
.book-recap {
  margin-top: 22px; font-family: var(--mono); font-size: 10.5px;
  letter-spacing: 0.12em; text-transform: uppercase; color: rgba(250,250,247,0.55);
  max-width: none;
}
.book-recap .sep { color: var(--accent); }
.book-fallback { margin-top: 34px; padding-top: 24px; border-top: 1px solid rgba(250,250,247,0.18); }
.book-fallback .tag { color: rgba(250,250,247,0.5); display: block; margin-bottom: 10px; }
.book-fallback p { font-family: var(--mono); font-size: 14px; color: rgba(250,250,247,0.85); max-width: none; }
.book-fallback a { color: var(--paper); text-decoration: none; border-bottom: 1px solid var(--accent); padding-bottom: 1px; }
.book-fallback a:hover { color: var(--accent); }
.book ::selection { background: var(--accent); color: var(--ink); }

/* ---------- footer / colophon ---------- */
.colophon { border-top: 1px solid var(--hairline-strong); }
.colophon .wrap { padding-block: 40px 48px; display: flex; flex-direction: column; gap: 18px; }
.colophon-row { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; align-items: baseline; }
.colophon p { font-family: var(--mono); font-size: 11.5px; color: var(--ink-soft); letter-spacing: 0.02em; max-width: none; }
.colophon .credit { color: var(--ink-faint); }
.colophon a { color: inherit; text-decoration: none; }
.colophon a:hover { color: var(--accent-ink); }

/* ---------- count-up reveal ---------- */
.js [data-count] { min-width: 0; }

/* ---------- reveal on scroll ---------- */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1); }
.js .reveal.is-inview { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; transition: none; }
}

/* ============================================================
   MULTI-PAGE SYSTEM · nav, footer, photography, stamps,
   field notes, articles, newsletter. Same paper, same ink.
   ============================================================ */

/* ---------- masthead v2: site nav ---------- */
.masthead .wrap { gap: 28px; }
.site-nav { display: flex; gap: 22px; align-items: center; }
.site-nav a {
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-soft); text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px; padding: 4px 0;
}
.site-nav a::before {
  content: ''; width: 6px; height: 6px; flex: none;
  border: 1px solid var(--hairline-strong); background: transparent;
  transition: background-color 0.18s ease, border-color 0.18s ease;
}
.site-nav a:hover, .site-nav a:focus-visible { color: var(--ink); }
.site-nav a:hover::before { border-color: var(--ink); }
.site-nav a[aria-current="page"] { color: var(--ink); }
.site-nav a[aria-current="page"]::before { background: var(--accent); border-color: var(--accent); }
.doc-meta { margin-left: auto; }

.nav-toggle {
  display: none; align-items: center; gap: 10px; cursor: pointer;
  font-family: var(--mono); font-size: 10px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  background: transparent; color: var(--ink);
  border: 1px solid var(--ink); padding: 9px 14px;
}
.nav-toggle .bars { display: inline-flex; flex-direction: column; gap: 3px; }
.nav-toggle .bars span { width: 14px; height: 1.5px; background: currentColor; transition: transform 0.2s ease, opacity 0.2s ease; }
.nav-toggle[aria-expanded="true"] .bars span:first-child { transform: translateY(2.25px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bars span:last-child { transform: translateY(-2.25px) rotate(-45deg); }

@media (max-width: 1120px) {
  .doc-meta .tag { display: none; }
}
@media (max-width: 900px) {
  .masthead .wrap { position: relative; gap: 16px; }
  .js .nav-toggle { display: inline-flex; }
  .js .site-nav {
    display: none; position: absolute; top: 100%; left: calc(-1 * var(--gutter)); right: calc(-1 * var(--gutter));
    background: var(--paper); border-bottom: 1px solid var(--hairline-strong);
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 6px var(--gutter) 14px;
    box-shadow: 0 18px 30px -24px rgba(22,21,15,0.35);
  }
  .js .site-nav.is-open { display: flex; }
  .js .site-nav a { padding: 13px 0; font-size: 12px; border-bottom: 1px dashed var(--hairline); }
  .js .site-nav a:last-child { border-bottom: none; }
  /* no JS: keep the nav reachable, let the header wrap */
  html:not(.js) .masthead .wrap { flex-wrap: wrap; height: auto; padding-block: 10px; row-gap: 6px; }
  html:not(.js) .site-nav { flex-wrap: wrap; gap: 10px 16px; order: 3; width: 100%; }
}
.masthead .btn { white-space: nowrap; }
@media (max-width: 560px) {
  .masthead .btn { padding: 9px 11px; font-size: 9px; letter-spacing: 0.08em; }
  .nav-toggle { padding: 8px 10px; }
}

/* ---------- footer v2: sitemap + newsletter ---------- */
.colophon-top {
  display: grid; grid-template-columns: minmax(200px, 1fr) minmax(280px, 1.4fr);
  gap: 36px var(--gutter);
  padding-bottom: 30px; border-bottom: 1px solid var(--hairline);
}
@media (max-width: 720px) { .colophon-top { grid-template-columns: 1fr; } }
.colophon-map { display: grid; grid-template-columns: repeat(2, minmax(0, max-content)); gap: 9px 40px; align-content: start; }
.colophon-map .tag { grid-column: 1 / -1; margin-bottom: 4px; color: var(--ink-faint); }
.colophon-map a {
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.1em;
  text-transform: uppercase; text-decoration: none; color: var(--ink-soft);
}
.colophon-map a:hover { color: var(--accent-ink); }
.colophon-news .tag { display: block; margin-bottom: 10px; color: var(--ink-faint); }
.colophon-news > p { font-size: 15px; color: var(--ink-soft); max-width: 46ch; }
.mini-form { display: flex; gap: 10px; align-items: flex-end; margin-top: 16px; max-width: 440px; }
.mini-form .field { flex: 1; }
.mini-form .btn { padding: 11px 18px; flex: none; }
@media (max-width: 480px) { .mini-form { flex-direction: column; align-items: stretch; } }
.colophon .form-sent { margin-top: 12px; }

/* ---------- photography: ink duotone figures ---------- */
.photo-fig { margin-top: 40px; border: 1px solid var(--hairline-strong); background: var(--paper); }
.photo-fig .ph { position: relative; overflow: hidden; }
.photo-fig .ph img {
  width: 100%; height: auto; display: block;
  filter: grayscale(1) contrast(1.07) brightness(1.02);
}
.photo-fig .ph::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: var(--accent); mix-blend-mode: multiply; opacity: 0.1;
}
.photo-fig.duo .ph::after { opacity: 0.28; }
.photo-fig figcaption {
  display: flex; flex-wrap: wrap; gap: 6px 24px; align-items: baseline; justify-content: space-between;
  padding: 11px 16px; border-top: 1px solid var(--hairline-strong);
}
.photo-fig .cap-note { font-size: 13.5px; color: var(--ink-soft); font-style: italic; max-width: 52ch; }

/* full-bleed photographic band between sections */
.photo-band { border-top: 1px solid var(--hairline-strong); position: relative; z-index: 1; background: var(--paper); }
.photo-band .ph { position: relative; overflow: hidden; }
.photo-band img {
  width: 100%; height: clamp(260px, 42vw, 520px); object-fit: cover; display: block;
  filter: grayscale(1) contrast(1.06) brightness(1.02);
}
.photo-band .ph::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: var(--accent); mix-blend-mode: multiply; opacity: 0.12;
}
.photo-band figcaption { border-top: 1px solid var(--hairline); }
.photo-band figcaption .wrap {
  display: flex; flex-wrap: wrap; gap: 6px 24px; align-items: baseline; justify-content: space-between;
  padding-block: 11px;
}
.photo-band .cap-note { font-size: 13.5px; color: var(--ink-soft); font-style: italic; max-width: 60ch; }

/* ---------- rubber stamps ---------- */
.stamp {
  position: absolute; z-index: 2; pointer-events: none;
  font-family: var(--mono); font-size: 11px; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase; white-space: nowrap;
  color: var(--accent-ink); border: 2px solid currentColor;
  outline: 1px solid currentColor; outline-offset: 2.5px;
  padding: 7px 13px 6px; transform: rotate(-5deg);
  opacity: 0.78; mix-blend-mode: multiply;
  mask-image: radial-gradient(140% 120% at 30% 20%, #000 55%, rgba(0,0,0,0.72) 78%, rgba(0,0,0,0.5) 100%);
  -webkit-mask-image: radial-gradient(140% 120% at 30% 20%, #000 55%, rgba(0,0,0,0.72) 78%, rgba(0,0,0,0.5) 100%);
}
.stamp--tr { top: -14px; right: 14px; }
.stamp--tilt { transform: rotate(4deg); }
.has-stamp { position: relative; }

/* handwritten-style margin aside */
.scribble {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='7' viewBox='0 0 60 7'%3E%3Cpath d='M1 4.5 Q 8 1.5, 15 4.5 T 29 4.5 T 43 4.5 T 57 4.5' fill='none' stroke='%23ff4f00' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: repeat-x; background-position: 0 100%; background-size: 60px 7px;
  padding-bottom: 6px;
}
.margin-note {
  font-family: var(--mono); font-size: 12.5px; font-style: italic;
  color: var(--accent-ink); max-width: 30ch; line-height: 1.6;
  transform: rotate(-1.4deg); margin-top: 18px;
}
.margin-note::before { content: '✳ '; font-style: normal; }

/* ---------- home: three-step strip ---------- */
.step-strip { margin-top: 40px; display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--hairline-strong); background: var(--paper); }
@media (max-width: 760px) { .step-strip { grid-template-columns: 1fr; } }
.step { padding: 24px 24px 26px; border-right: 1px solid var(--hairline); }
.step:last-child { border-right: none; }
@media (max-width: 760px) { .step { border-right: none; border-bottom: 1px solid var(--hairline); } .step:last-child { border-bottom: none; } }
.step .no { font-family: var(--mono); font-size: 11px; color: var(--accent-ink); letter-spacing: 0.1em; }
.step h3 { margin-top: 12px; font-size: 19px; }
.step p { margin-top: 8px; font-size: 15px; color: var(--ink-soft); }

/* home: mini case strip */
.case-strip { margin-top: 40px; display: grid; grid-template-columns: 1fr 1fr; gap: var(--gutter); }
@media (max-width: 860px) { .case-strip { grid-template-columns: 1fr; } }
.case-mini { border: 1px solid var(--hairline-strong); background: var(--paper); padding: 24px 24px 20px; display: flex; flex-direction: column; text-decoration: none; }
.case-mini .tag { display: block; margin-bottom: 14px; }
.case-mini blockquote p { font-size: 16.5px; line-height: 1.55; color: var(--ink); max-width: 52ch; }
.case-mini .who { margin-top: 18px; padding-top: 14px; border-top: 1px dashed var(--hairline); display: flex; align-items: center; gap: 12px; }
.case-mini .who img { width: 40px; height: 40px; object-fit: cover; border: 1px solid var(--hairline-strong); filter: grayscale(1) contrast(1.04); flex: none; }
.case-mini .who p { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); }
.case-mini:hover, .case-mini:focus-visible { border-color: var(--ink); }
.sec-cta { margin-top: 32px; display: flex; gap: 14px; flex-wrap: wrap; }

/* home: vault teaser */
.vault-teaser {
  margin-top: 40px; border: 1px solid var(--ink); background: var(--paper);
  display: grid; grid-template-columns: 1.4fr 1fr; text-decoration: none;
}
@media (max-width: 760px) { .vault-teaser { grid-template-columns: 1fr; } }
.vault-teaser .vt-main { padding: clamp(24px, 3vw, 38px); }
.vault-teaser .vt-main h3 { font-size: clamp(22px, 2.4vw, 30px); margin-top: 10px; max-width: 22ch; letter-spacing: -0.02em; }
.vault-teaser .vt-main p { margin-top: 12px; font-size: 15.5px; color: var(--ink-soft); }
.vault-teaser .vt-list { list-style: none; border-left: 1px solid var(--hairline); }
@media (max-width: 760px) { .vault-teaser .vt-list { border-left: none; border-top: 1px solid var(--hairline); } }
.vault-teaser .vt-list li {
  display: flex; justify-content: space-between; align-items: baseline; gap: 14px;
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.04em; color: var(--ink-soft);
  padding: 12px 18px; border-bottom: 1px dashed var(--hairline);
}
.vault-teaser .vt-list li:last-child { border-bottom: none; }
.vault-teaser .vt-list .lock-sq { width: 8px; height: 8px; flex: none; border: 1px solid var(--accent); background: repeating-linear-gradient(-45deg, var(--accent) 0 1px, transparent 1px 4px); }
.vault-teaser:hover h3 .u-arrow, .vault-teaser:focus-visible h3 .u-arrow { transform: translateX(4px); }
.u-arrow { display: inline-block; color: var(--accent-ink); transition: transform 0.25s cubic-bezier(0.22,1,0.36,1); }

/* ---------- field notes: entry cards ---------- */
.post-cards { margin-top: 40px; display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gutter); }
@media (max-width: 900px) { .post-cards { grid-template-columns: 1fr; } }
.post-card {
  border: 1px solid var(--hairline-strong); background: var(--paper);
  padding: 22px 22px 20px; text-decoration: none;
  display: flex; flex-direction: column;
}
.post-card .pc-head { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.post-card h3 { font-size: 19px; line-height: 1.25; }
.post-card .excerpt { margin-top: 10px; font-size: 14.5px; color: var(--ink-soft); flex: 1; }
.post-card .pc-foot {
  margin-top: 18px; padding-top: 12px; border-top: 1px dashed var(--hairline);
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-faint);
}
.post-card .pc-foot .read { color: var(--accent-ink); }
.post-card:hover, .post-card:focus-visible { border-color: var(--ink); }
.post-card:hover h3 { color: var(--accent-ink); }

/* blog index: ledger entries */
.post-list { margin-top: 40px; border-top: 1px solid var(--hairline-strong); }
.post-entry { display: block; text-decoration: none; border-bottom: 1px solid var(--hairline); }
.post-entry .row {
  display: grid; grid-template-columns: 130px 1fr auto; gap: var(--gutter); align-items: baseline;
  padding: 28px 0;
}
@media (max-width: 700px) { .post-entry .row { grid-template-columns: 1fr; gap: 8px; } }
.post-entry .ref { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; color: var(--accent-ink); }
.post-entry .ref .date { display: block; color: var(--ink-faint); margin-top: 5px; }
.post-entry h2 { font-size: clamp(21px, 2.4vw, 28px); max-width: 26ch; }
.post-entry .excerpt { margin-top: 10px; font-size: 15.5px; color: var(--ink-soft); max-width: 62ch; }
.post-entry .read {
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-faint); white-space: nowrap;
}
.post-entry:hover h2, .post-entry:focus-visible h2 { color: var(--accent-ink); }
.post-entry:hover .read { color: var(--accent-ink); }

/* ---------- article ---------- */
.article-head { padding-top: 0; }
.article-head .crumbs { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-bottom: 26px; }
.article-head .crumbs a { text-decoration: none; }
.article-head .crumbs a:hover { color: var(--accent-ink); }
.article-head h1 { font-size: clamp(32px, 4.6vw, 58px); max-width: 22ch; text-wrap: balance; }
.standfirst {
  margin-top: 26px; border-left: 2px solid var(--accent); padding: 4px 0 4px 22px;
  font-size: clamp(17.5px, 1.6vw, 20px); line-height: 1.6; color: var(--ink-soft); max-width: 62ch;
}
.article-meta { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 6px 24px; }
.article-body { margin-top: clamp(40px, 5vw, 64px); max-width: 65ch; }
.article-body > * + * { margin-top: 20px; }
.article-body p { max-width: none; font-size: 17.5px; line-height: 1.7; }
.article-body h2 { font-size: clamp(22px, 2.6vw, 30px); margin-top: 44px; max-width: 24ch; }
.article-body ul, .article-body ol { padding-left: 22px; display: grid; gap: 10px; }
.article-body li { font-size: 17px; line-height: 1.65; }
.article-body li::marker { color: var(--accent-ink); font-family: var(--mono); font-size: 14px; }
.article-body a { text-decoration: none; border-bottom: 1px solid var(--accent); padding-bottom: 1px; }
.article-body a:hover { color: var(--accent-ink); }
.article-body strong { font-weight: 600; }

.aside-fig {
  margin-block: 34px; border: 1px solid var(--hairline-strong); background: var(--paper);
  padding: 20px 24px 22px; position: relative;
}
.aside-fig .tag { display: block; margin-bottom: 12px; }
.aside-fig p { font-size: clamp(19px, 2vw, 23px); font-weight: 500; letter-spacing: -0.015em; line-height: 1.4; max-width: 30ch; }

/* teardown listing */
.tear { margin-block: 34px; border: 1px solid var(--ink); background: var(--paper); }
.tear-head {
  display: flex; flex-wrap: wrap; gap: 4px 24px; align-items: baseline;
  padding: 11px 18px; border-bottom: 1px solid var(--hairline-strong); background: var(--paper-raised);
}
.tear-line { padding: 16px 18px; border-bottom: 1px dashed var(--hairline); }
.tear-line:last-child { border-bottom: none; }
.tear-line .msg { font-family: var(--mono); font-size: 14px; line-height: 1.6; color: var(--ink); max-width: none; }
.tear-line .why { margin-top: 10px; font-size: 14.5px; line-height: 1.6; color: var(--ink-soft); padding-left: 14px; border-left: 2px solid var(--accent); max-width: 56ch; }

.article-foot { margin-top: clamp(48px, 6vw, 72px); border-top: 1px solid var(--hairline-strong); padding-top: 34px; }
.article-foot .tag { display: block; margin-bottom: 18px; }
.related { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gutter); }
@media (max-width: 700px) { .related { grid-template-columns: 1fr; } }
.back-index { margin-top: 30px; }

/* ---------- newsletter band ---------- */
.news-band { border-top: 1px solid var(--hairline-strong); background: var(--paper-raised); position: relative; z-index: 1; }
.news-band .wrap { padding-block: clamp(48px, 6vw, 72px); display: grid; grid-template-columns: minmax(280px, 1.3fr) minmax(280px, 1fr); gap: 36px var(--gutter); align-items: center; }
@media (max-width: 820px) { .news-band .wrap { grid-template-columns: 1fr; } }
.news-band .tag { display: block; margin-bottom: 14px; }
.news-band h2 { font-size: clamp(24px, 3vw, 38px); max-width: 20ch; letter-spacing: -0.02em; }
.news-band .pitch { margin-top: 14px; font-size: 16px; color: var(--ink-soft); max-width: 46ch; }
.news-form { display: flex; gap: 12px; align-items: flex-end; }
@media (max-width: 480px) { .news-form { flex-direction: column; align-items: stretch; } }
.news-form .field { flex: 1; }
.news-form .btn { flex: none; }

/* ---------- shared page hero (subpages) ---------- */
.page-head { padding-top: clamp(48px, 6vw, 84px); }
.page-head .kicker { display: flex; gap: 14px; align-items: baseline; flex-wrap: wrap; margin-bottom: 26px; }
.page-head h1 { font-size: clamp(34px, 5vw, 64px); max-width: 18ch; text-wrap: balance; }
.page-head .lede { margin-top: 24px; max-width: 58ch; }

/* compact book band recap on subpages reuses .book styles */
.book--compact > .wrap { padding-block: clamp(56px, 7vw, 88px); }

/* utility */
.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px;
  clip-path: inset(50%); overflow: hidden; white-space: nowrap;
}

/* ============================================================
   HERO MOTION · the document stamps itself alive.
   Transform/opacity only. Everything reads complete with JS off
   and under prefers-reduced-motion: the static state is the design.
   ============================================================ */

.hero { position: relative; overflow: hidden; }

/* headline: phrase groups rise out of a masked slot and settle */
.hero h1 .hh {
  display: block; overflow: hidden;
  padding-bottom: 0.09em; margin-bottom: -0.09em;
}
.hero h1 .hh-in { display: block; }
.js .hero h1 .hh-in {
  animation: hh-rise 0.85s cubic-bezier(0.19, 1, 0.22, 1) var(--hd, 0s) both;
}
@keyframes hh-rise {
  0%   { transform: translateY(112%); opacity: 0; }
  55%  { opacity: 1; }
  82%  { transform: translateY(-1.2%); }
  100% { transform: translateY(0); opacity: 1; }
}

/* supporting elements ink in, staggered */
.js .hero-rise {
  animation: rise-in 0.7s cubic-bezier(0.22, 1, 0.36, 1) var(--hd, 0s) both;
}
@keyframes rise-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: none; }
}

/* the feed lifts onto the page like a sheet being laid down */
.js .hero-lift {
  animation: lift-in 0.9s cubic-bezier(0.19, 1, 0.22, 1) var(--hd, 0s) both;
}
@keyframes lift-in {
  from { opacity: 0; transform: translateY(24px) scale(0.99); }
  to   { opacity: 1; transform: none; }
}

/* the stat strip's top hairline draws itself */
.js .stat-strip::before {
  animation: hair-draw 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.72s both;
}
@keyframes hair-draw { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* kinetic slot in the lede: a quiet word-rotate, set in the lede's own face */
.slot {
  position: relative; display: inline-block; overflow: hidden;
  vertical-align: bottom; white-space: nowrap;
  font-weight: 600; color: var(--accent-ink);
  transition: width 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}
.slot .w { display: block; white-space: nowrap; }
.js .slot { height: 1.55em; }
.js .slot .w { transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.32s ease; }
.js .slot .w:not(.is-on) { position: absolute; left: 0; top: 0; transform: translateY(42%); opacity: 0; }
.js .slot .w.is-on { transform: none; opacity: 1; }
.js .slot .w.is-off { position: absolute; left: 0; top: 0; transform: translateY(-42%); opacity: 0; }
html:not(.js) .slot .w:nth-child(n+2) { display: none; }

/* feed titleblock: entry counter */
.feed-count { margin-left: auto; }
.feed-count b { font-weight: 500; color: var(--accent-ink); font-variant-numeric: tabular-nums; }

/* feed rows: scan-highlight pass as a row ticks in */
.js .feed-row.is-entering::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(105deg, transparent 25%, rgba(255,79,0,0.12) 50%, transparent 75%);
  transform: translateX(-110%);
  animation: scan 0.9s ease-out 0.05s forwards;
}
@keyframes scan { to { transform: translateX(110%); } }

/* ambient plotter line tracing the baseline grid, slow loop */
.hero-plot {
  position: absolute; left: 0; right: 0; bottom: 12px;
  height: clamp(80px, 10vw, 120px);
  z-index: 0; pointer-events: none; opacity: 0.4;
}
.hero-plot svg { width: 100%; height: 100%; display: block; }
.hero-plot path {
  fill: none; stroke: var(--accent); stroke-width: 1.25px;
  stroke-dasharray: 0.12 1.4; stroke-dashoffset: 1.52;
}
.js .hero-plot path { animation: plot-run 26s linear 1.8s infinite; }
@keyframes plot-run { from { stroke-dashoffset: 1.52; } to { stroke-dashoffset: 0; } }
html:not(.js) .hero-plot { display: none; }

@media (prefers-reduced-motion: reduce) {
  .js .hero h1 .hh-in, .js .hero-rise, .js .hero-lift,
  .js .stat-strip::before, .js .feed-row.is-entering::after,
  .js .hero-plot path { animation: none; }
  .hero-plot { display: none; }
  .slot .w:nth-child(n+2) { display: none; }
  .js .slot { height: auto; }
}

/* real tool lockups in the marquee: optically matched heights */
.tool-logo--heyreach { height: 25px; }
.tool-logo--instantly { height: 25px; }
.tool-logo--sendpilot { height: 20px; }
.tool-logo--apify { height: 25px; }
.tool-logo--bullhorn { height: 33px; }

/* ---------- 04 the prospect report / dossier ---------- */
.report-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 48px; margin-top: 30px; align-items: start; }
.report-copy > p { max-width: 52ch; }
.report-index { list-style: none; margin: 28px 0 0; padding: 0; border-top: 1px solid var(--hairline-strong); }
.report-index li { display: grid; grid-template-columns: 52px 1fr; gap: 14px; padding: 13px 0; border-bottom: 1px solid var(--hairline); font-size: 15.5px; color: var(--ink-soft); }
.report-index .ri-no { font-family: var(--mono); font-size: 12px; color: var(--accent-ink); padding-top: 2px; }
.report-index strong { color: var(--ink); font-weight: 600; }
.report-close { margin-top: 22px; font-weight: 600; color: var(--ink); }
.dossier { margin: 0; }
.dossier-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.dossier-doc {
  background: #fdfdfb; border: 1px solid var(--hairline-strong);
  box-shadow: 0 1px 0 var(--hairline), 0 18px 40px -30px rgba(22,21,15,0.35);
  padding: 26px 28px 20px;
}
.dd-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; border-bottom: 2px solid var(--ink); padding-bottom: 12px; flex-wrap: wrap; }
.dd-title { font-weight: 700; font-size: 19px; letter-spacing: -0.01em; text-transform: uppercase; }
.dd-ref { font-family: var(--mono); font-size: 11px; color: var(--ink-faint); letter-spacing: 0.04em; }
.dd-subject { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--hairline-strong); }
.dd-subject p { font-weight: 600; font-size: 16px; }
.dd-mark { font-family: var(--mono); font-size: 11px; color: var(--accent-ink); letter-spacing: 0.08em; }
.dd-mark::before { content: ''; display: inline-block; width: 7px; height: 7px; background: var(--accent); margin-right: 7px; }
.dd-body { margin: 0; }
.dd-row { display: grid; grid-template-columns: 118px 1fr; gap: 14px; padding: 11px 0; border-bottom: 1px dashed var(--hairline); }
.dd-row:last-child { border-bottom: none; }
.dd-row dt { font-family: var(--mono); font-size: 11px; letter-spacing: 0.05em; color: var(--accent-ink); text-transform: uppercase; padding-top: 3px; }
.dd-row dd { margin: 0; font-size: 14.5px; line-height: 1.5; color: var(--ink-soft); }
.dd-redact { position: relative; white-space: nowrap; color: transparent; user-select: none; }
.dd-redact::after { content: ''; position: absolute; inset: 1px 0 2px; background: var(--ink); opacity: 0.82; }
.dd-foot { border-top: 1px solid var(--hairline-strong); margin-top: 4px; padding-top: 12px; }
.dd-foot p { font-family: var(--mono); font-size: 11px; color: var(--ink-faint); letter-spacing: 0.04em; }
@media (max-width: 980px) { .report-grid { grid-template-columns: 1fr; gap: 36px; } }
@media (max-width: 480px) {
  .dossier-doc { padding: 20px 18px 16px; }
  .dd-row { grid-template-columns: 1fr; gap: 4px; padding: 12px 0; }
}