/* polish-stamp:20260904T155313Z */
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/fonts/ibm-plex-mono-latin-600-normal.woff2") format("woff2");
}

:root {
  --ground: #12171E;
  --housing: #2A323C;
  --mill: #9AA4AE;
  --mill-text: #B8C0C8; /* secondary text — AA on ground/housing; brand mill stays for swatches */
  --plate: #E8EAED;
  --arc: #7EADC0;
  --paper: var(--ground);
  --ink: var(--plate);
  --muted: var(--mill-text);
  --line: var(--housing);
  --amber: var(--arc);
  --sans: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --wrap: 70rem;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --header-h: 73px;
}

*,
*::before,
*::after { box-sizing: border-box; border-radius: 0; }

html { color-scheme: dark; }
html:focus-within { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html:focus-within { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 1.0625rem;
  line-height: 1.55;
  padding-top: var(--header-h);
}

img { display: block; max-width: 100%; }
a { color: var(--ink); }
a:hover { color: var(--amber); }

::selection {
  background: var(--arc);
  color: var(--ground);
}

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

.skip {
  position: absolute;
  left: var(--gutter);
  top: -4rem;
  background: var(--ink);
  color: var(--paper);
  padding: 0.5rem 0.75rem;
  z-index: 60;
  text-decoration: none;
}
.skip:focus { top: 0.75rem; }

.wrap {
  width: min(100% - 2 * var(--gutter), var(--wrap));
  margin-inline: auto;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.8125rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.5rem;
}

h1, h2, h3 {
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.18;
  margin: 0;
}
h1 {
  font-size: clamp(2.625rem, 5vw, 3.375rem); /* ~42–54px */
  letter-spacing: -1.1px;
  max-width: 22ch;
  color: var(--plate);
}
h2 { font-size: clamp(1.5rem, 2.6vw, 1.875rem); color: var(--plate); }
h3 { font-size: 1.05rem; letter-spacing: 0; color: var(--plate); }
p { margin: 0; }

.lede {
  color: var(--muted);
  font-size: 1.125rem;
  line-height: 1.55;
  max-width: 35rem;
  margin-top: 2rem;
}

/* Fixed top nav ~73px */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  height: var(--header-h);
  background: var(--ground);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 2rem;
  height: var(--header-h);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--ink);
}
.brand img { width: 40px; height: 40px; flex: 0 0 40px; }
.wordmark { display: flex; flex-direction: column; gap: 0.1rem; line-height: 1; }
.wordmark .name {
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: -0.02em;
  line-height: 1.1;
  text-transform: uppercase;
}
.wordmark .sys {
  font-family: var(--mono);
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mill);
}

.nav { display: flex; align-items: center; gap: 1.35rem; }
.nav a {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
}
.nav-assessment { color: var(--arc); }
.nav-assessment:hover { color: var(--plate); }
.nav a.quiet { color: var(--muted); }

/* Hero */
.hero {
  padding: 8rem 0 12rem;
  border-bottom: 1px solid var(--line);
}
.hero-inner { max-width: 46rem; }
.hero-kicker {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
}
.hero-kicker span {
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.hero-kicker-arc { color: var(--arc) !important; }
.hero-rule {
  border-top: 1px solid var(--line);
  padding-top: 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.875rem 2rem;
  background: var(--housing);
  color: var(--plate);
  border: 1px solid var(--housing);
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
}
.btn:hover {
  background: #343d48;
  border-color: #343d48;
  color: var(--plate);
}
.btn-row { margin-top: 3rem; }
.btn-block { width: 100%; margin-top: 0.5rem; }

section {
  padding: 6rem 0;
  border-bottom: 1px solid var(--line);
}
#assessment { padding: 8rem 0 10rem; }

.section-head { margin-bottom: 3.5rem; max-width: 46rem; }
.section-note {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--arc);
  margin-top: 1rem;
}

/* 4-col bordered audience cards */
.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
}
.card {
  padding: 2rem;
  border-right: 1px solid var(--line);
}
.card:last-child { border-right: none; }
.card .icon {
  width: 24px;
  height: 24px;
  color: var(--arc);
  margin-bottom: 1rem;
}
.card h3 { margin-bottom: 0.5rem; }
.card p { color: var(--muted); font-size: 0.875rem; }

/* Deliverables ledger grid */
.outputs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line);
}
.output {
  padding: 2rem;
  border-right: 1px solid var(--line);
}
.output:last-child { border-right: none; }
.output .n {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  display: inline-block;
  margin-bottom: 1.5rem;
}
.output .pill {
  background: var(--arc);
  color: var(--ground);
  padding: 0.15rem 0.5rem;
}
.output h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}
.output p { color: var(--muted); font-size: 1.0625rem; line-height: 1.6; }

/* Systems chips — plate text, bordered */
.chips { display: flex; flex-wrap: wrap; gap: 1rem; max-width: 46rem; }
.chip {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  padding: 1rem 1.5rem;
  font-family: var(--sans);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--plate);
  line-height: 1.3;
  transition: border-color 0.15s ease;
}
.chip:hover { border-color: var(--arc); }

/* Process horizontal timeline */
.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 0;
  max-width: 56rem;
}
.timeline-step {
  flex: 1;
  padding-right: 1.5rem;
}
.timeline-node-row {
  display: flex;
  align-items: center;
  margin-bottom: 1rem;
}
.timeline-node {
  width: 1.5rem;
  height: 1.5rem;
  flex: 0 0 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--housing);
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--plate);
}
.timeline-node-arc {
  background: var(--arc);
  border-color: var(--arc);
  color: var(--ground);
}
.timeline-connector {
  flex: 1;
  height: 1px;
  background: var(--line);
  margin-left: 1rem;
}
.timeline-step h3 {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}
.timeline-step p { color: var(--muted); font-size: 0.875rem; }

/* Reference block with left accent */
.ref {
  border: 1px solid var(--line);
  border-left: 2px solid var(--arc);
  padding: 3rem;
  max-width: 46rem;
  position: relative;
}
.ref-label {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 1.5rem;
}
.ref h2 { font-size: 1.5rem; margin-bottom: 1.5rem; }
.ref > p { color: var(--muted); font-size: 1.0625rem; line-height: 1.6; max-width: 46rem; }

.schematic {
  margin: 2.5rem 0 0;
  padding: 0;
  overflow-x: auto;
}
.schematic svg {
  display: block;
  width: 100%;
  max-width: 640px;
  height: auto;
}

/* Form */
.assessment-wrap { max-width: 46rem; }
.form-intro { color: var(--muted); max-width: 38rem; margin: -1.5rem 0 3rem; }
form { max-width: 46rem; }
fieldset {
  border: none;
  margin: 0 0 2.5rem;
  padding: 0;
}
legend {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--plate);
  padding: 0;
  margin-bottom: 1.5rem;
}
.checks {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem 1.5rem;
}
.checks label, .radios label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--muted);
  font-size: 0.95rem;
  cursor: pointer;
}
.checks label:hover, .radios label:hover { color: var(--plate); }
input[type="checkbox"], input[type="radio"] {
  appearance: none;
  -webkit-appearance: none;
  width: 1.25rem;
  height: 1.25rem;
  margin: 0;
  flex-shrink: 0;
  border: 1.5px solid var(--housing);
  background: var(--ground);
  accent-color: var(--amber);
  color-scheme: dark;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}
input[type="radio"] { border-radius: 0; }
input[type="checkbox"] { border-radius: 0; }
input[type="checkbox"]:checked,
input[type="radio"]:checked {
  border-color: var(--arc);
  background: var(--arc);
  box-shadow: inset 0 0 0 2px var(--ground);
}
input[type="checkbox"]:focus-visible,
input[type="radio"]:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}
.fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}
.field { display: flex; flex-direction: column; gap: 0.5rem; }
.field.full { grid-column: 1 / -1; }
.field span {
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}
.req { color: var(--amber); text-decoration: none; }
input[type="text"],
input[type="email"],
input[type="tel"] {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--housing);
  border-radius: 0;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  padding: 0.5rem 0;
}
input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus {
  outline: none;
  border-bottom-color: var(--arc);
}
.radios { display: flex; flex-wrap: wrap; gap: 1rem 1.75rem; }

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

.site-footer {
  padding: 4rem 0;
  border-top: 1px solid var(--line);
}
.site-footer p {
  color: var(--muted);
  font-size: 0.875rem;
  max-width: 52rem;
  line-height: 1.55;
}
.site-footer a {
  color: var(--plate);
  text-decoration: underline;
  text-underline-offset: 0.15em;
}
.site-footer a:hover { color: var(--amber); }

.thanks-main { padding: 5rem 0 6rem; min-height: 50vh; }
.thanks-main p { color: var(--muted); margin-top: 1rem; max-width: 32rem; }

/* Brand sheet (kept) */
.sheet {
  width: min(100% - 2 * var(--gutter), 64rem);
  margin: 2rem auto 3.5rem;
  border: 1px solid var(--line);
  padding: clamp(1.4rem, 3vw, 2.4rem);
}
.sheet-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 1rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}
.sheet-head p {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.sheet h1 { font-size: 1.15rem; letter-spacing: 0; max-width: none; }
.block { padding: 1.6rem 0; border-bottom: 1px solid var(--line); }
.block:last-child { border-bottom: 0; padding-bottom: 0; }

.marks {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 1.75rem 2.25rem;
}
.mark-item { display: flex; flex-direction: column; align-items: flex-start; gap: 0.55rem; margin: 0; }
.mark-item figcaption,
.swatch figcaption,
.icon-pair + figcaption,
.icon-spec figcaption {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.on-ink { background: var(--ink); padding: 12px; }

.wordmark-xl .name {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
  display: block;
  text-transform: none;
}
.wordmark-xl .sys {
  display: block;
  margin-top: 0.55rem;
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--muted);
}

.swatches { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.85rem; }
.swatch { margin: 0; }
.swatch .chip-color { aspect-ratio: 1; border: 1px solid var(--line); }
.swatch figcaption { margin-top: 0.5rem; color: var(--ink); text-transform: none; letter-spacing: 0; font-size: 0.78rem; }
.swatch .hex { display: block; color: var(--muted); font-size: 0.72rem; letter-spacing: 0.04em; margin-top: 0.15rem; }

.spec-sans { font-size: 1.125rem; max-width: 40rem; }
.spec-mono {
  font-family: var(--mono);
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-top: 1.1rem;
}

.icon-row { display: flex; flex-wrap: wrap; gap: 2rem 2.5rem; }
.icon-row figure { margin: 0; }
.icon-pair { display: flex; align-items: end; gap: 1.1rem; }
.icon-pair svg { color: var(--ink); display: block; }
.icon-row figcaption {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 0.45rem;
}
.sheet .btn { margin-top: 0; }
.sheet .back { margin-top: 1.5rem; }

.brand img, .marks img { object-fit: contain; background: transparent; }

@media (max-width: 900px) {
  .cards { grid-template-columns: 1fr 1fr; }
  .card { border-bottom: 1px solid var(--line); }
  .card:nth-child(2n) { border-right: none; }
  .card:nth-last-child(-n+2) { border-bottom: none; }
  .outputs { grid-template-columns: 1fr; }
  .output { border-right: none; border-bottom: 1px solid var(--line); }
  .output:last-child { border-bottom: none; }
  .timeline { flex-direction: column; gap: 2.5rem; }
  .timeline-connector { display: none; }
  .swatches { grid-template-columns: 1fr 1fr; }
  .checks { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .hero { padding: 4rem 0 6rem; }
  .hero-kicker { flex-direction: column; gap: 0.5rem; }
  h1 { max-width: none; }
  section { padding: 4rem 0; }
  #assessment { padding: 5rem 0 6rem; }
  .cards { grid-template-columns: 1fr; }
  .card { border-right: none; border-bottom: 1px solid var(--line); }
  .card:last-child { border-bottom: none; }
  .fields, .checks, .swatches { grid-template-columns: 1fr; }
  .ref { padding: 1.75rem; }
}

/* Growth stack lines — support under Systems, not second heroes */
.stack-lines {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--line);
  max-width: 46rem;
}
.stack-lines li {
  padding: 1.35rem 1.5rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stack-lines li:nth-child(2n) { border-right: none; }
.stack-lines li:nth-last-child(-n+2) { border-bottom: none; }
.stack-lines strong {
  display: block;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}
.stack-lines span {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.5;
}
@media (max-width: 720px) {
  .stack-lines { grid-template-columns: 1fr; }
  .stack-lines li { border-right: none; }
  .stack-lines li:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); }
  .stack-lines li:last-child { border-bottom: none; }
}
