/* Cartographer public site — hand-set, no framework.
   One display face, one text face, one accent. Dark by intent (not theme-switched):
   the palette is the identity, and every color pair clears WCAG AA on the ink ground. */

:root {
  --ink: #0b0e12;
  --ink-2: #11151b;
  --line: #222933;
  --line-soft: #1a2029;
  --line-input: #566171; /* >= 3:1 against ink-2 for WCAG 1.4.11 */
  --paper: #e9e4d8;
  --muted: #8e979f;
  --brass: #c8a870;
  --brass-deep: #9a7f4f;
  --danger: #ff6b5e; /* used once: the never-scored list (research). 6.9:1 on ink. */

  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --font-text: "Avenir Next", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "SF Mono", Consolas, Menlo, monospace;

  --measure: 62ch;
  --wrap: 66rem;
}

* { box-sizing: border-box; }

html {
  background: var(--ink);
  color-scheme: dark;
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-text);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

/* ---------- layout ---------- */

.wrap {
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 5vw, 2.75rem);
}

.band {
  border-top: 1px solid var(--line-soft);
  padding-block: clamp(3.5rem, 8vw, 6.5rem);
}

.prose { max-width: calc(var(--measure) + 2 * clamp(1.25rem, 5vw, 2.75rem)); }
.prose > * { max-width: var(--measure); }

/* ---------- type ---------- */

h1, h2, h3, .display, .foot-word {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--paper);
  margin: 0 0 1rem;
  text-wrap: balance;
}

h2 { font-size: clamp(1.6rem, 3.2vw, 2.15rem); line-height: 1.2; letter-spacing: 0.005em; }
h3 { font-size: 1.3rem; line-height: 1.3; }

.display {
  font-size: clamp(2.4rem, 6.5vw, 4.25rem);
  line-height: 1.06;
  letter-spacing: -0.005em;
  margin-bottom: 1.5rem;
}

p { margin: 0 0 1.1rem; }
p:last-child { margin-bottom: 0; }

.lede {
  font-size: clamp(1.15rem, 2.2vw, 1.3rem);
  line-height: 1.55;
  color: var(--muted);
  max-width: var(--measure);
}

.lede strong, .prose strong { color: var(--paper); font-weight: 600; }

.eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brass);
  margin: 0 0 1.4rem;
}

em { font-style: italic; }

ul { padding-left: 1.2rem; margin: 0 0 1.1rem; }
li { margin-bottom: 0.7rem; }
li::marker { color: var(--brass); }

a {
  color: var(--paper);
  text-decoration: underline;
  text-decoration-color: var(--brass-deep);
  text-underline-offset: 0.2em;
  text-decoration-thickness: 1px;
  transition: color 120ms ease, text-decoration-color 120ms ease;
}

a:hover { color: var(--brass); text-decoration-color: var(--brass); }

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 3px;
  border-radius: 1px;
}

/* ---------- header ---------- */

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 10;
  background: var(--brass);
  color: var(--ink);
  padding: 0.5rem 1rem;
  text-decoration: none;
}
.skip:focus { left: 0; }

.site-header {
  border-bottom: 1px solid var(--line-soft);
  padding-block: 1.1rem;
}

.header-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  color: var(--paper);
}

.wordmark .mark { width: 1.15em; height: 1.15em; color: var(--line); flex: none; align-self: center; }
.wordmark:hover { color: var(--paper); }
.wordmark:hover .mark { color: var(--brass-deep); }

.site-nav {
  display: flex;
  gap: clamp(0.9rem, 2.5vw, 1.75rem);
  flex-wrap: wrap;
  align-items: baseline;
}

.site-nav a {
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  color: var(--muted);
  text-decoration: none;
  padding-block: 0.2rem;
}

.site-nav a:hover { color: var(--paper); }

/* current page: color plus a non-color cue (WCAG 1.4.1) */
.site-nav a[aria-current="page"] {
  color: var(--brass);
  text-decoration: underline;
  text-decoration-color: var(--brass-deep);
  text-underline-offset: 0.35em;
}

.site-nav .nav-cta {
  color: var(--brass);
  border: 1px solid var(--brass-deep);
  padding: 0.35rem 0.85rem;
  border-radius: 2px;
}
.site-nav .nav-cta:hover { background: var(--brass); color: var(--ink); }
.site-nav .nav-cta[aria-current="page"] { background: var(--brass); color: var(--ink); }

/* ---------- hero ---------- */

.hero {
  position: relative;
  padding-block: clamp(4.5rem, 11vw, 8.5rem);
  border-bottom: 0;
}

/* faint graticule behind the hero, fading before the band edge */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 88px 88px;
  background-position: center top;
  -webkit-mask-image: linear-gradient(to bottom, #000 55%, transparent 96%);
  mask-image: linear-gradient(to bottom, #000 55%, transparent 96%);
  pointer-events: none;
}

.hero > .wrap { position: relative; }

.hero .lede { max-width: 56ch; }

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  flex-wrap: wrap;
  margin-top: 2.25rem;
}

.button {
  display: inline-block;
  font-family: var(--font-text);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--brass);
  background: transparent;
  border: 1px solid var(--brass);
  border-radius: 2px;
  padding: 0.75rem 1.6rem;
  text-decoration: none;
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease;
}

.button:hover { background: var(--brass); color: var(--ink); }

.quiet-link { color: var(--muted); }

.page-head { padding-block: clamp(3.5rem, 9vw, 7rem) clamp(2.5rem, 6vw, 4.5rem); }
.page-head .display { max-width: 24ch; }

/* ---------- steps (index) ---------- */

.steps-title { margin-bottom: 2.5rem; }

.steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(19rem, 1fr));
  gap: 2.5rem clamp(1.5rem, 4vw, 3rem);
}

.steps li {
  counter-increment: step;
  border-top: 1px solid var(--line);
  padding-top: 1.4rem;
  margin: 0;
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--brass);
  letter-spacing: 0.12em;
  margin-bottom: 0.9rem;
}

.steps h3 { margin-bottom: 0.6rem; }
.steps p { color: var(--muted); font-size: 0.98rem; margin: 0; }

.section-more { margin-top: 2.2rem; }
.section-more a { color: var(--brass); text-decoration-color: var(--brass-deep); }

.band-cta { border-top: 1px solid var(--line); }

/* ---------- doctrine (principles) ---------- */

.doctrine {
  list-style: none;
  counter-reset: rule;
  margin: 0;
  padding: 0;
  max-width: calc(var(--measure) + 5rem);
}

.doctrine > li {
  counter-increment: rule;
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: 0 1.25rem;
  border-top: 1px solid var(--line);
  padding-block: 2.25rem;
  margin: 0;
}

.doctrine > li::before {
  content: counter(rule, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--brass);
  letter-spacing: 0.1em;
  padding-top: 0.35rem;
}

.doctrine h2 { grid-column: 2; font-size: clamp(1.35rem, 2.6vw, 1.7rem); margin-bottom: 0.65rem; }
.doctrine p { grid-column: 2; color: var(--muted); margin: 0; max-width: var(--measure); }
.doctrine p em { color: var(--paper); }

@media (max-width: 34rem) {
  .doctrine > li { grid-template-columns: 1fr; }
  .doctrine > li::before { padding-top: 0; margin-bottom: 0.4rem; }
  .doctrine h2, .doctrine p { grid-column: 1; }
}

/* ---------- diagram ---------- */

.diagram { margin: 0; }

.diagram-scroll, .diagram { overflow-x: auto; }

.diagram svg {
  display: block;
  width: 100%;
  min-width: 46rem;
  height: auto;
  font-family: var(--font-text);
}

.dg-node rect { fill: var(--ink-2); stroke: var(--line); stroke-width: 1; }
.dg-node-you rect { stroke: var(--brass-deep); }
.dg-label { fill: var(--paper); font-size: 17px; font-family: var(--font-display); }
.dg-sub { fill: var(--muted); font-size: 12.5px; }
.dg-arrow { stroke: var(--brass); stroke-width: 1.25; }
.dg-loop { fill: none; stroke: var(--brass-deep); stroke-width: 1; stroke-dasharray: 4 4; }
.dg-loop-label { fill: var(--brass); font-size: 12.5px; letter-spacing: 0.08em; }
.dg-gate { fill: var(--muted); font-size: 11px; letter-spacing: 0.1em; }
.dg-drop { stroke: var(--line); stroke-width: 1; stroke-dasharray: 2 4; }
.dg-strip { fill: none; stroke: var(--line); stroke-width: 1; }
.dg-ticks line { stroke: var(--line); stroke-width: 1; }

.diagram figcaption {
  color: var(--muted);
  font-size: 0.9rem;
  max-width: var(--measure);
  margin-top: 1.25rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line-soft);
}

/* ---------- waitlist form ---------- */

.waitlist-form { max-width: 34rem; }

.field { margin-bottom: 1.4rem; }

.field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--paper);
  margin-bottom: 0.45rem;
}

.field .optional {
  color: var(--muted);
  font-weight: 400;
  letter-spacing: 0.02em;
  margin-left: 0.3rem;
}

.field input {
  width: 100%;
  font: inherit;
  color: var(--paper);
  background: var(--ink-2);
  border: 1px solid var(--line-input);
  border-radius: 2px;
  padding: 0.7rem 0.85rem;
}

.waitlist-form button[disabled] { opacity: 0.55; cursor: not-allowed; }

.field input:focus-visible { outline: 2px solid var(--brass); outline-offset: 1px; border-color: var(--brass-deep); }

.field-error { color: var(--brass); font-size: 0.88rem; margin: 0.45rem 0 0; }

.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-mode {
  color: var(--muted);
  font-size: 0.88rem;
  max-width: 46ch;
  margin-top: 1.4rem;
}

.waitlist-done {
  max-width: 34rem;
  border: 1px solid var(--brass-deep);
  border-radius: 2px;
  padding: 2rem 2.25rem;
}

.waitlist-done h2 { margin-bottom: 0.5rem; }
.waitlist-done p { color: var(--muted); margin: 0; }

.form-submit-error { color: var(--brass); font-size: 0.92rem; margin-top: 1rem; max-width: 46ch; }

/* ---------- research: never-scored list ---------- */

.eyebrow-danger { color: var(--danger); }

.never-scored {
  list-style: none;
  padding: 0;
  margin: 0;
  max-width: calc(var(--measure) + 2rem);
  border-top: 1px solid var(--line);
}

.never-scored li {
  position: relative;
  border-bottom: 1px solid var(--line);
  padding: 1.4rem 0 1.4rem 2rem;
  margin: 0;
  color: var(--muted);
}

.never-scored li::before {
  content: "×";
  position: absolute;
  left: 0.15rem;
  top: 1.32rem;
  color: var(--danger);
  font-size: 1.05rem;
}

.never-scored strong { color: var(--paper); font-weight: 600; }

/* ---------- open-source: integrations matrix ---------- */

code {
  font-family: var(--font-mono);
  font-size: 0.86em;
}

.integrations {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(21rem, 100%), 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.integration-card {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  border: 1px solid var(--line);
  background: var(--ink-2);
  border-radius: 2px;
  padding: 1.5rem 1.6rem;
}

.integration-card h3 { margin: 0; }

.card-status {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.2rem 0.55rem;
  margin: 0;
}

.card-status.is-verified { color: var(--brass); border-color: var(--brass-deep); }

.integration-card .card-note {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 0;
}

.integration-card .snippet { margin-top: auto; }

.snippet { position: relative; margin: 0; }

.snippet pre {
  margin: 0;
  background: var(--ink);
  border: 1px solid var(--line-soft);
  border-radius: 2px;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--paper);
}

.snippet pre code { font-size: inherit; }

.copy-btn {
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.3rem 0.6rem;
  cursor: pointer;
  transition: color 120ms ease, border-color 120ms ease;
}

.copy-btn:hover { color: var(--brass); border-color: var(--brass-deep); }
.copy-btn.is-flashing { color: var(--brass); }

/* screen-reader-only live region (copy feedback) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.mr-note {
  margin-top: 2.5rem;
  color: var(--muted);
  font-size: 0.92rem;
}

/* ---------- footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: clamp(3rem, 7vw, 5rem);
  padding-block: 3rem 2.5rem;
}

.foot-grid {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.foot-word { font-size: 1.15rem; letter-spacing: 0.04em; margin-bottom: 0.4rem; }
.foot-note { color: var(--muted); font-size: 0.92rem; margin: 0; }

.foot-nav { display: flex; gap: 1.5rem; flex-wrap: wrap; align-items: baseline; }
.foot-nav a { color: var(--muted); font-size: 0.9rem; text-decoration: none; }
.foot-nav a:hover { color: var(--paper); }

.foot-line {
  color: var(--muted);
  font-size: 0.85rem;
  border-top: 1px solid var(--line-soft);
  padding-top: 1.5rem;
  margin: 0;
}