/* ==========================================================================
   Kusukang — "the firm"
   Institutional navy, boxed 1200px grid, evidence-forward.
   One type scale, one spacing ladder, one 2px radius, one elevation model.
   ========================================================================== */

/* ---------------------------------------------------------------- tokens */
:root {
  /* palette (THEMES.md §3, no additions) */
  --navy: #0B1B2B;
  --navy-deep: #132A40;
  --page: #FFFFFF;
  --mist: #F4F7FA;
  --mist-deep: #EAF0F5;
  --rule: #DBE3EC;
  --rule-dark: #C3D0DD;
  --text: #15222E;
  --muted: #5A6B7C;
  --teal: #1F6F5C;
  --brass: #B08B2E;
  --on-navy: #FFFFFF;
  --on-navy-body: #C6D4E2;   /* 10.6:1 on navy */
  --on-navy-dim: #9FB3C8;    /* 7.4:1 on navy  */

  /* grid */
  --box: 1200px;
  --pad: 32px;
  --gutter: 24px;
  --section: 96px;

  /* radius + elevation */
  --r: 2px;
  --elev: 0 1px 2px rgba(11, 27, 43, .05), 0 10px 28px rgba(11, 27, 43, .06);
  --elev-dark: 0 18px 44px rgba(4, 10, 18, .38);
  --elev-header: 0 6px 18px rgba(11, 27, 43, .07);

  /* type */
  --sans: Inter, "Segoe UI", system-ui, "Helvetica Neue", Arial, sans-serif;
  --serif: "Source Serif 4", Georgia, "Iowan Old Style", "Times New Roman", serif;
  --fs-h1: clamp(2rem, 1.15rem + 3.0vw, 3.25rem);      /* 32 -> 52 */
  --fs-h2: clamp(1.625rem, 1.2rem + 1.5vw, 2.125rem);  /* 26 -> 34 */
  --fs-h3: 1.25rem;                                    /* 20 */
  --fs-num: var(--fs-h2);                              /* 26 -> 34 — numerals share the h2 size */
  --fs-lead: clamp(1.0625rem, 1rem + .35vw, 1.1875rem);/* 17 -> 19 */
  --fs-quote: clamp(1.25rem, 1.05rem + .7vw, 1.5rem);  /* 20 -> 24 — pull quote only */
  --fs-body: 1rem;                                     /* 16 */
  --fs-small: .875rem;                                 /* 14 */
  --fs-fine: .8125rem;                                 /* 13 */
  --fs-eyebrow: .8125rem;                              /* 13 — labels, eyebrows */

  /* motion */
  --t: 150ms cubic-bezier(.25, .6, .35, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font-family: var(--sans);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

[hidden] { display: none !important; }

h1, h2, h3, h4, p, dl, dd, figure, table { margin: 0; }

h1, h2, h3, h4 {
  color: var(--navy);
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1.2;
  text-wrap: balance;
}

h1 { font-size: var(--fs-h1); line-height: 1.12; }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); margin-bottom: 10px; }
h4 { font-size: var(--fs-h3); }

p { max-width: 68ch; }
p + p { margin-top: 12px; }

a { color: var(--navy); text-decoration: none; }

code {
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  color: var(--navy);
}

strong { font-weight: 600; }

ul, ol { margin: 0; padding: 0; list-style: none; }

svg { display: block; }

table { border-collapse: collapse; }

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


.skip-link {
  position: absolute;
  left: var(--pad);
  top: -60px;
  z-index: 60;
  background: var(--navy);
  color: #fff;
  padding: 10px 18px;
  border-radius: var(--r);
  font-size: var(--fs-small);
  font-weight: 500;
  transition: top var(--t);
}

.skip-link:focus { top: 12px; }

/* ---------------------------------------------------------------- layout */
.box {
  width: 100%;
  max-width: calc(var(--box) + (var(--pad) * 2));
  margin-inline: auto;
  padding-inline: var(--pad);
}

.section {
  padding-block: var(--section);
}

/* the sticky header is 71px tall; every jump target clears it */
[id]:is(section, h1, h2, h3, h4) { scroll-margin-top: 96px; }

.section-mist {
  background: var(--mist);
  border-block: 1px solid var(--rule);
}

.section-head {
  max-width: 760px;
  margin-bottom: var(--gutter);
}

.section-intro {
  font-size: var(--fs-lead);
  color: var(--muted);
  margin-top: 14px;
}

.sub-title,
.band-title {
  font-size: var(--fs-h3);
  margin: 56px 0 20px;
}

/* eyebrows: numbered, uppercase, never display type */
.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 16px;
}

.eyebrow-num {
  color: var(--navy);
  font-variant-numeric: tabular-nums;
  letter-spacing: .06em;
}

.eyebrow-sep { color: var(--muted); }

.eyebrow.on-navy { color: var(--on-navy-dim); }
.eyebrow.on-navy .eyebrow-num { color: var(--on-navy); }
.eyebrow.on-navy .eyebrow-sep { color: var(--on-navy-dim); }

/* ------------------------------------------------------------- primitives */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: inherit;
  font-size: var(--fs-small);
  font-weight: 500;
  line-height: 1.2;
  padding: 14px 22px;
  border: 1px solid transparent;
  border-radius: var(--r);
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--t), border-color var(--t), color var(--t), transform var(--t), box-shadow var(--t);
}

.btn-primary {
  background: var(--navy);
  border-color: var(--navy);
  color: #fff;
}

.btn-primary:hover {
  background: var(--navy-deep);
  border-color: var(--navy-deep);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  border-color: var(--rule-dark);
  color: var(--navy);
}

.btn-ghost:hover {
  border-color: var(--navy);
  transform: translateY(-1px);
}

.btn-quiet {
  background: var(--page);
  border-color: var(--rule-dark);
  color: var(--navy);
}

.btn-quiet:hover {
  border-color: var(--navy);
  transform: translateY(-1px);
}

.btn-sm { padding: 11px 16px; }

.text-link {
  display: inline-block;
  margin-top: 18px;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--navy);
  border-bottom: 1px solid var(--rule-dark);
  padding-bottom: 2px;
  transition: border-color var(--t), color var(--t);
}

.text-link:hover {
  color: var(--teal);
  border-bottom-color: var(--teal);
}

/* cards: white, hairline-boxed, 2px accent top bar, 1px hover lift */
.card {
  position: relative;
  background: var(--page);
  border: 1px solid var(--rule);
  border-radius: var(--r);
  padding: 28px 26px 26px;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--teal);
}

.card h3 { margin-top: 14px; }

.card,
[data-reveal] {
  transition: opacity var(--t), transform var(--t), border-color var(--t), box-shadow var(--t);
}

.card:hover {
  border-color: var(--rule-dark);
  transform: translateY(-1px);
  box-shadow: var(--elev);
}

/* ---------------------------------------------------------------- header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--page);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t), box-shadow var(--t);
}

.site-header.is-stuck {
  border-bottom-color: var(--rule);
  box-shadow: var(--elev-header);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 36px;
  height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: none;
}

.brand-name {
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--navy);
}

.primary-nav { margin-right: auto; }

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: 26px;
}

.primary-nav a {
  display: block;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--text);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--t), border-color var(--t);
}

.primary-nav a:hover {
  color: var(--navy);
  border-bottom-color: var(--navy);
}

.nav-cta { display: none; }

.nav-toggle {
  display: none;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  background: var(--page);
  border: 1px solid var(--rule-dark);
  border-radius: var(--r);
  color: var(--navy);
  font-family: inherit;
  font-size: var(--fs-small);
  font-weight: 500;
  padding: 9px 14px;
  cursor: pointer;
  transition: border-color var(--t), color var(--t);
}

.nav-toggle:hover { border-color: var(--navy); }

.nav-toggle[aria-expanded="true"] .nav-toggle-chev { transform: rotate(180deg); }

.nav-toggle-chev { transition: transform var(--t); }

/* ------------------------------------------------------------------ hero */
.hero {
  position: relative;
  padding-block: 72px var(--section);
}

.hero-wash {
  position: absolute;
  inset: 0;
  background: radial-gradient(115% 85% at 85% -20%, rgba(11, 27, 43, .09), rgba(11, 27, 43, 0) 62%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  display: grid;
  /* the results card is 500px wide so both of its edges land on the 12-column rules */
  grid-template-columns: minmax(0, 1fr) 500px;
  gap: 56px;
  align-items: start;
}

/* visible 12-column rules — hero band only */
.hero-rules {
  position: absolute;
  inset: -72px var(--pad) 0;
  background: repeating-linear-gradient(to right,
      var(--rule) 0 1px, transparent 1px calc(100% / 12));
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, .35) 55%, transparent 92%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, .35) 55%, transparent 92%);
  pointer-events: none;
}

@media (max-width: 900px) {
  .hero-rules { display: none; }
}

.hero-copy { position: relative; }

.hero-copy h1 { margin: 4px 0 20px; }

.lead {
  font-size: var(--fs-lead);
  color: var(--text);
  max-width: 60ch;
}

.positioning {
  font-size: var(--fs-lead);
  font-weight: 400;
  color: var(--navy);
  border-left: 2px solid var(--teal);
  padding-left: 20px;
  margin-top: 24px;
  max-width: 62ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0 40px;
  margin-top: 40px;
  border-top: 1px solid var(--rule);
  padding-top: 20px;
}

.hero-meta dt {
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-meta dd {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--navy);
  margin: 2px 0 0;
}

/* signature 1 — overlapping white results card */
.hero-card {
  position: relative;
  z-index: 2;
  align-self: center;
  background: var(--page);
  border: 1px solid var(--rule);
  border-top: 2px solid var(--navy);
  border-radius: var(--r);
  box-shadow: var(--elev);
  padding: 26px 26px 22px;
  /* signature: the card breaks the hero baseline by 88px into the trust band */
  margin-bottom: -184px;
}

.hero-card .eyebrow { margin-bottom: 20px; }

.kpi-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.kpi {
  padding: 18px 16px;
  min-width: 0;
}

.kpi:first-child { padding-left: 0; }
.kpi:last-child { padding-right: 0; }

.kpi + .kpi { border-left: 1px solid var(--rule); }

.kpi-value {
  font-size: var(--fs-num);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--navy);
  font-variant-numeric: tabular-nums;
}

.kpi-unit {
  margin-left: 3px;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--muted);
}

.kpi-label {
  display: block;
  margin-top: 6px;
  font-size: var(--fs-fine);
  line-height: 1.45;
  color: var(--muted);
}

.chart { margin-top: 22px; }

.chart-caption {
  font-size: var(--fs-fine);
  color: var(--muted);
  margin-bottom: 8px;
}

.hero-card-foot {
  margin-top: 14px;
  font-size: var(--fs-fine);
  color: var(--muted);
}

/* hero chart */
.chart-svg {
  width: 100%;
  height: auto;
  color: var(--muted);
  overflow: visible;
}

.cs-grid line { stroke: var(--rule); stroke-width: 1; }
.cs-grid .cs-axis { stroke: var(--navy); }
.cs-area { fill: rgba(11, 27, 43, .05); stroke: none; }
.cs-line { fill: none; stroke: var(--teal); stroke-width: 2; }
.cs-dots circle { fill: var(--teal); stroke: var(--page); stroke-width: 1.5; }
.cs-ticks line { stroke: var(--navy-deep); stroke-width: 1; }

.cs-labels text {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  fill: var(--muted);
  font-variant-numeric: tabular-nums;
}

.cs-labels .cs-strong { fill: var(--navy); }

/* --------------------------------------------------------- stacks band */
.stacks {
  padding-block: 152px var(--section);
}

.band-line { margin-bottom: 20px; }

.stack-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule-dark);
  border: 1px solid var(--rule-dark);
  border-radius: var(--r);
  overflow: hidden;
}

.stack-strip li {
  background: var(--page);
  display: flex;
  align-items: center;
  justify-content: flex-start;
  min-width: 0;
  padding: 22px 20px;
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--navy);
  text-align: left;
  transition: background var(--t), color var(--t);
}

.stack-strip li:hover { background: var(--mist); }

/* ----------------------------------------------------------- why we exist */
.pain-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gutter);
}

.pain-stat {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 16px 0 12px;
}

.stat-value {
  font-size: var(--fs-num);
  font-weight: 600;
  letter-spacing: -.02em;
  line-height: 1.1;
  color: var(--navy);
  font-variant-numeric: tabular-nums;
}

.stat-unit {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--muted);
}

.pain-stat .stat-unit { margin-left: 4px; }

.closing-line {
  font-family: var(--serif);
  font-style: italic;
  font-size: var(--fs-quote);
  line-height: 1.45;
  color: var(--navy);
  max-width: none;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 2px solid var(--teal);
}

/* --------------------------------------------------------------- services */
.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gutter);
}

/* one index slot for every card: pains, services, steps, engagement models */
.card-num {
  position: absolute;
  top: 15px;
  right: 18px;
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: .12em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------- approach */
.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--gutter);
  counter-reset: step;
}

.step { list-style: none; }

.step h3 { margin-bottom: 4px; }

.step-window {
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 12px;
}

/* ------------------------------------------------------------------ proof */
.stat-band {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  border-radius: var(--r);
}

.stat {
  background: var(--page);
  padding: 24px 26px 26px;
  min-width: 0;
}

.stat dt {
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
  min-height: 3.3em;   /* two lines of body leading reserved so every value shares a baseline */
}

.stat dd {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.stat-note {
  display: block;
  margin-top: 6px;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* case studies — signature 2 */
.cases {
  display: grid;
  gap: 24px;
}

.case {
  background: var(--page);
  border: 1px solid var(--rule);
  border-top: 2px solid var(--navy);
  border-radius: var(--r);
  padding: 26px 28px 22px;
  transition: opacity var(--t), transform var(--t), border-color var(--t), box-shadow var(--t);
}

.case:hover {
  border-color: var(--rule-dark);
  transform: translateY(-1px);
  box-shadow: var(--elev);
}

.case-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--rule);
}

.case-meta {
  font-size: var(--fs-fine);
  letter-spacing: .04em;
  color: var(--muted);
}

.case-body {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  padding-top: 22px;
}

.case-block:last-child { grid-column: 1 / -1; }

.case-label {
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 8px;
}

.verified {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  font-size: var(--fs-fine);
  color: var(--muted);
}

.verified-mark {
  flex: none;
  color: var(--teal);
}

.verified-note {
  margin-left: auto;
  padding-left: 16px;
  border-left: 1px solid var(--rule);
}

/* tables: boxed, zebra, 2px navy header rule */
.table {
  width: 100%;
  margin-top: 6px;
  border: 1px solid var(--rule);
  border-radius: var(--r);
  font-variant-numeric: tabular-nums;
  /* one column grid for every table on the page: the label column is always
     58% of the table box, so the value columns start at the same x in the
     three case-result tables and the benchmark table alike */
  table-layout: fixed;
}

.table th {
  background: var(--mist-deep);
  color: var(--navy);
  font-size: var(--fs-small);
  font-weight: 500;
  text-align: left;
  padding: 11px 16px;
  border-bottom: 2px solid var(--navy);
  white-space: nowrap;
}

.table th:first-child { width: 58%; }

.table td {
  font-size: var(--fs-small);
  padding: 13px 16px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:nth-child(even) { background: var(--mist); }

.table-data th:not(:first-child),
.table-data td:not(:first-child) { text-align: right; }

/* the four-column benchmark table shares the 58% label column, so its three
   numeric columns are narrow at tablet width — headers wrap, never spill */
.table-data th { white-space: normal; }

.table-compact td:first-child { color: var(--muted); }

.table-scroll {
  /* same 29px inset as a case card, so the benchmark table shares the case
     tables' left edge and therefore their column x */
  margin-inline: 29px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.bench-caption {
  font-size: var(--fs-small);
  color: var(--muted);
  margin: 0 0 20px;
  max-width: 76ch;
}

.bench-chart { margin-top: 32px; }

.bench-plot {
  display: grid;
  grid-template-columns: minmax(0, 520px) minmax(0, 1fr);
  gap: 32px 48px;
  align-items: center;
}

.bench-svg {
  width: 520px;
  max-width: 100%;
  height: auto;
  overflow: visible;
}

@media (max-width: 900px) {
  .bench-plot { grid-template-columns: minmax(0, 1fr); }
  .bench-chart { overflow-x: auto; }
  .bench-svg { max-width: none; }
}

.bs-axis { stroke: var(--navy); stroke-width: 1; }
.bs-bars rect { fill: var(--navy-deep); }
.bs-bars .bs-last { fill: var(--teal); }

.bs-labels text {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 400;
  fill: var(--text);
}

.bs-values text {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  fill: var(--navy);
  font-variant-numeric: tabular-nums;
}

/* ------------------------------------------------------------ engagement */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gutter);
  align-items: stretch;
}

.price-name {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--navy);
}

.price-value {
  font-size: var(--fs-num);
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--navy);
  margin-top: 10px;
  font-variant-numeric: tabular-nums;
}

.price-from {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--muted);
  letter-spacing: .01em;
  margin-right: 8px;
}

.price-shape {
  font-size: var(--fs-small);
  color: var(--muted);
  margin-top: 4px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule);
}

.price-for { margin-top: 18px; }

.price-flag {
  border-color: var(--rule);
  box-shadow: var(--elev);
}

.price-flag::before { background: var(--navy); }
.price-tag {
  line-height: 1;
  padding: 2px 7px;
  border: 1px solid var(--navy);
  border-radius: var(--r);
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--navy);
}

.price {
  display: flex;
  flex-direction: column;
}

.price .text-link { margin-top: auto; }

/* ------------------------------------------------------------------ team */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--gutter);
}

.person {
  border-top: 1px solid var(--rule);
  padding-top: 24px;
  transition: opacity var(--t), transform var(--t), border-color var(--t);
}

.person:hover { border-top-color: var(--navy); }

.monogram { margin-bottom: 24px; }

.mono-text {
  font-family: var(--sans);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: .06em;
  fill: #FFFFFF;
}

.person-role {
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--muted);
  margin: 0 0 6px;
  min-height: 2.9em;   /* two lines at every card width, so bios share a baseline */
}

.person-tag {
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--teal);
  margin: 0 0 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule);
}

.person-bio { margin: 0; }

/* ------------------------------------------------------------------- faq */
.faq-list {
  border-top: 1px solid var(--rule);
  max-width: 900px;
}

.faq-item { border-bottom: 1px solid var(--rule); }

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 4px;
  cursor: pointer;
  list-style: none;
  color: var(--navy);
  transition: color var(--t);
}

.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--teal); }

.faq-q {
  font-size: var(--fs-lead);
  font-weight: 400;
  letter-spacing: -.01em;
}

.faq-chev {
  flex: none;
  color: var(--navy);
  transition: transform var(--t);
}

.faq-item[open] .faq-chev { transform: rotate(180deg); }

.faq-a {
  padding: 0 4px 24px;
  max-width: 76ch;
}

.faq-a p { color: var(--text); }

/* -------------------------------------------------- contact — the one dark band */
.cta {
  background: var(--navy);
  color: var(--on-navy-body);
  padding-block: var(--section);
}

.cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}

.cta-head { grid-column: 1 / -1; max-width: 88ch; }

/* facts column and form column share one grid row: the pad lands the first
   label on the same line as the form's first field label */
.cta-side { padding-top: 37px; }

.cta-side-title {
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--on-navy);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--navy-deep);
}

.cta h2 { color: var(--on-navy); margin-bottom: 18px; }
.cta-head p { color: var(--on-navy-body); }

.cta-facts {
  margin-top: 0;
}

.cta-facts li {
  display: flex;
  gap: 16px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--navy-deep);
  font-size: var(--fs-small);
  color: var(--on-navy-body);
}

.cta-fact-label {
  flex: none;
  width: 120px;
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--on-navy-dim);
}

.cta-facts a {
  color: var(--on-navy);
  font-weight: 500;
}

/* brass rule under the contact address — brass use 2 of 3 */
.cta-facts a[href^="mailto:"] {
  border-bottom: 2px solid var(--brass);
  padding-bottom: 2px;
}

.cta-note {
  margin-top: 28px;
  padding-left: 18px;
  border-left: 2px solid var(--on-navy-dim);
  font-size: var(--fs-small);
  color: var(--on-navy-dim);
}

.cta :focus-visible { outline-color: var(--on-navy); }

/* form sits on white inside the dark band */
.cta-form-wrap {
  background: var(--page);
  border: 1px solid var(--navy-deep);
  border-radius: var(--r);
  box-shadow: var(--elev-dark);
  padding: 30px 30px 26px;
}

.form-title {
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--navy);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 22px;
}

.field { margin-bottom: 18px; }

.field label {
  display: block;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 6px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  font-family: inherit;
  font-size: var(--fs-body);
  line-height: 1.5;
  color: var(--text);
  background: var(--page);
  border: 1px solid var(--rule-dark);
  border-radius: var(--r);
  padding: 10px 12px;
  transition: border-color var(--t), background-color var(--t);
}

.field textarea { resize: none; min-height: 96px; }

.field input:hover,
.field select:hover,
.field textarea:hover { border-color: var(--navy); }

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--navy);
  outline: 2px solid var(--navy);
  outline-offset: 1px;
}

.field input[aria-invalid="true"],
.field select[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: var(--navy);
  border-width: 2px;
  background: var(--mist);
}

.field-error {
  margin-top: 6px;
  padding-left: 10px;
  border-left: 2px solid var(--navy-deep);
  font-size: var(--fs-fine);
  font-weight: 400;
  color: var(--navy);
}

.field-hint {
  margin-top: 6px;
  font-size: var(--fs-fine);
  color: var(--muted);
}

.field-check {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 10px 12px;
  align-items: start;
  padding-top: 6px;
}

.field-check input {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: var(--navy);
}

.field-check label {
  font-size: var(--fs-small);
  font-weight: 400;
  color: var(--text);
  margin: 0;
}

.field-check .field-error { grid-column: 1 / -1; }

.form-actions {
  display: flex;
  align-items: baseline;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 0;
  padding-top: 18px;
  border-top: 1px solid var(--rule);
}

.form-note {
  font-size: var(--fs-fine);
  color: var(--muted);
  max-width: 34ch;
}

.form-panel {
  font-size: var(--fs-body);
}

.form-panel-title {
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--navy);
  padding-bottom: 16px;
  border-bottom: 2px solid var(--navy);
  margin-bottom: 18px;
}

.form-panel p + p { margin-top: 14px; }

/* the honeypot field is positioned off-screen inline (docs/FORMS.md), never display:none */

.btn:disabled { cursor: progress; opacity: .55; }

.summary {
  display: grid;
  grid-template-columns: minmax(0, 150px) minmax(0, 1fr);
  gap: 10px 16px;
  margin: 20px 0 24px;
  font-size: var(--fs-small);
}

.summary dt {
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--muted);
}

.summary dd { margin: 0; color: var(--text); overflow-wrap: anywhere; }

/* ---------------------------------------------------------------- footer */
.site-footer {
  background: var(--mist);
  border-top: 1px solid var(--rule);
  padding-block: 64px 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-col h2 {
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--navy);
  margin-bottom: 16px;
}

.footer-col ul { font-size: var(--fs-small); }

.footer-col li { padding: 5px 0; color: var(--muted); }

.footer-col a {
  color: var(--muted);
  border-bottom: 1px solid transparent;
  transition: color var(--t), border-color var(--t);
}

.footer-col a:hover {
  color: var(--navy);
  border-bottom-color: var(--navy);
}

.footer-brand p {
  margin-top: 16px;
  font-size: var(--fs-small);
  color: var(--muted);
}

.footer-founded { font-size: var(--fs-fine) !important; }

.footer-legal {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 48px;
  padding-top: 26px;
  border-top: 1px solid var(--rule);
  font-size: var(--fs-fine);
  color: var(--muted);
}

/* brass tick above the legal row — brass use 3 of 3 */
.footer-legal::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--brass);
}

.footer-legal ul {
  display: flex;
  gap: 22px;
  font-size: var(--fs-fine);
}

.footer-legal a {
  color: var(--muted);
  border-bottom: 1px solid transparent;
}

.footer-legal a:hover {
  color: var(--navy);
  border-bottom-color: var(--navy);
}

.footer-status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 22px;
  font-size: var(--fs-fine);
  color: var(--muted);
}

.status-dot {
  width: 10px;
  height: 10px;
  flex: none;
  background: var(--teal);
}


/* --------------------------------------------------------- legal pages */
.doc-head {
  background: var(--mist);
  border-bottom: 1px solid var(--rule);
  padding-block: 64px 0;
}

.doc-head h1 { margin: 6px 0 14px; }

.doc-meta {
  font-size: var(--fs-fine);
  color: var(--muted);
  max-width: 78ch;
}

.doc-nav {
  margin-top: 30px;
  border-top: 1px solid var(--rule);
}

.doc-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0 32px;
}

.doc-nav a {
  display: block;
  padding: 15px 0 13px;
  border-bottom: 2px solid transparent;
  font-size: var(--fs-small);
  font-weight: 500;
  color: var(--muted);
  transition: color var(--t), border-color var(--t);
}

.doc-nav a:hover { color: var(--navy); border-bottom-color: var(--rule-dark); }

.doc-nav a[aria-current="page"] { color: var(--navy); border-bottom-color: var(--teal); }

.doc-body { padding-block: var(--section); }

.doc-grid {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  gap: 64px;
  align-items: start;
}

.doc-toc {
  position: sticky;
  top: 104px;
  border-top: 2px solid var(--navy);
}

.doc-toc-title {
  padding-top: 14px;
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: var(--muted);
}

.doc-toc ol {
  margin-top: 6px;
  list-style: none;
}

.doc-toc li { border-bottom: 1px solid var(--rule); }

.doc-toc a {
  display: block;
  padding: 10px 0;
  font-size: var(--fs-small);
  color: var(--muted);
  transition: color var(--t);
}

.doc-toc a:hover { color: var(--navy); }

.prose { max-width: 72ch; }

.prose .lede {
  font-size: var(--fs-lead);
  color: var(--text);
  padding-bottom: 26px;
  border-bottom: 1px solid var(--rule);
}

.prose h2 {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-size: var(--fs-h3);
  margin-top: 44px;
  scroll-margin-top: 104px;
}

.prose h2 .num {
  font-size: var(--fs-eyebrow);
  font-weight: 500;
  letter-spacing: .09em;
  color: var(--teal);
  font-variant-numeric: tabular-nums;
}

.prose h2 + p { margin-top: 12px; }

.prose a { border-bottom: 1px solid var(--rule-dark); }
.prose a:hover { border-bottom-color: var(--navy); }

/* --------------------------------------------------------------- reveals */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(8px);
}

.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ------------------------------------------------------------ responsive */
@media (max-width: 1120px) {
  .hero-inner { gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 1080px) {
  :root { --pad: 28px; }
  .hero-inner { grid-template-columns: minmax(0, 1fr); }
  .hero-card { margin-bottom: 0; max-width: 640px; }
  .hero { padding-bottom: 64px; }
  .stacks { padding-top: var(--section); }
  .service-grid,
  .pain-grid,
  .price-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px var(--gutter); }
  .team-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px var(--gutter); }
  .stat-band { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 960px) {
  .header-inner { gap: 16px; }
  .primary-nav {
    display: none;
    position: absolute;
    top: 71px;
    left: 0;
    right: 0;
    margin: 0;
    padding: 8px var(--pad) 24px;
    background: var(--page);
    border-bottom: 1px solid var(--rule);
    box-shadow: var(--elev-header);
  }
  .primary-nav.is-open { display: block; }
  .primary-nav ul { display: block; }
  .primary-nav li { border-bottom: 1px solid var(--rule); }
  .primary-nav a { padding: 13px 0; border-bottom: 0; }
  .nav-cta { display: block; border-bottom: 0; padding-top: 18px; }
  .nav-cta .btn { width: 100%; justify-content: center; }
  .nav-toggle { display: inline-flex; }
  .header-actions { display: none; }
  .cta-inner { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .doc-grid { grid-template-columns: minmax(0, 1fr); gap: 44px; }
  .doc-toc { position: static; top: auto; }
  .doc-toc ol { columns: 2; column-gap: 32px; }
}

@media (max-width: 820px) {
  :root { --section: 72px; --pad: 24px; }
  .stack-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-body { grid-template-columns: minmax(0, 1fr); }
  .hero-meta { gap: 0 32px; }
  .kpi-row { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  :root { --pad: 20px; --gutter: 20px; }
  .service-grid,
  .pain-grid,
  .price-grid,
  .stat-band,
  .steps,
  .team-grid,
  .footer-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-card { padding: 22px 20px 18px; }
  .kpi-row { grid-template-columns: minmax(0, 1fr); }
  .kpi { padding: 14px 0; }
  .kpi + .kpi { padding-left: 0; border-left: 0; border-top: 1px solid var(--rule); }
  .case { padding: 22px 20px 18px; }
  .cta-form-wrap { padding: 24px 20px 20px; }
  .summary { grid-template-columns: minmax(0, 1fr); gap: 2px 0; }
  .summary dd { margin-bottom: 12px; }
  .steps { gap: 32px; }

  /* stacked: the shared column grid no longer applies */
  .table { table-layout: auto; }
  .table th:first-child { width: auto; }
  .table th { white-space: normal; }
  .table-scroll { overflow-x: visible; margin-inline: 21px; }
  .table thead { position: absolute; width: 1px; height: 1px; clip-path: inset(50%); overflow: hidden; }
  .table tr { display: block; border-bottom: 1px solid var(--rule); }
  .table tbody tr:last-child { border-bottom: 1px solid var(--rule); }
  .table tbody tr:nth-child(even) { background: var(--mist); }
  .table td {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 16px;
    border-bottom: 0;
    padding: 9px 14px;
    text-align: right !important;
  }
  .table td:first-child {
    display: block;
    text-align: left !important;
    font-weight: 500;
    color: var(--navy);
    background: var(--mist-deep);
    padding: 10px 14px;
  }
  .table-data td:nth-child(n+2)::before {
    font-size: var(--fs-fine);
    color: var(--muted);
    text-align: left;
  }
  .table-data td:nth-child(2)::before { content: "Tokens/s"; }
  .table-data td:nth-child(3)::before { content: "p50 TTFT"; }
  .table-data td:nth-child(4)::before { content: "Cost per 1M tokens"; }
  .table-compact td:not(:first-child) { justify-content: flex-end; }
  .verified-note { margin-left: 0; padding-left: 0; border-left: 0; }
}

@media (max-width: 460px) {
  .hero-meta { flex-direction: column; gap: 14px; }
  .cta-fact-label { width: 96px; }
  .footer-legal ul { gap: 16px; flex-wrap: wrap; }
}

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