/* Hallmark · genre: modern-minimal · macrostructure: Bento Grid · theme: Cobalt
 * enrichment: none (typography only + hand-built SVG mark, Tier B) · nav: N13 · footer: Ft2
 * audience = technical buyers evaluating a software company · use = reach products and services · tone = technical
 * nav pick: previous build used N6 Newspaper masthead; this build uses N13 Inline ⌘K pill —
 *   Cobalt's bordered bar with a working command palette, categorically distinct from N6.
 * footer pick: previous build used Ft1 Mast-headed; this build uses Ft2 Inline single line.
 * paper band = cool light · display style = grotesk-sans · accent hue = electric cobalt
 * pre-emit critique: P5 H4 E5 S4 R5 V5
 * contrast: pass (40–41, verified via CDP canvas rasterisation) · tokens: pass (48)
 * honest: pass (46) · chrome: pass (47) · responsive: pass (34, 49) · icons: pass (30)
 * mobile: pass (34, 49, 50–57) · slop: pass (42–45) · variety: pass (8, 20, 21, 32, 57)
 * theme-sanctioned: JetBrains Mono label/meta/kbd register is the Cobalt system, not a 4th face (37–38)
 */
html { overflow-x: clip; }
body { overflow-x: clip; }

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink-2);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; }

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 1px;
  border-radius: var(--radius-sm);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.shell {
  max-width: 72rem;
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.tm {
  font-size: 0.55em;
  font-weight: 500;
  font-style: normal;
  vertical-align: super;
  line-height: 0;
  letter-spacing: 0;
}

.mono-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-neutral);
  margin: 0;
}

/* Typographic link — cobalt underline, thickens on hover */
.link {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: var(--color-accent-dim);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  white-space: nowrap;
  transition: text-decoration-color var(--dur-short) var(--ease-out),
              text-decoration-thickness var(--dur-short) var(--ease-out);
}
.link:hover,
.link:focus-visible {
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: 2px;
}

/* Buttons — 6 px radius, never a pill */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.2;
  white-space: nowrap;
  min-height: 2.5rem;
  padding: var(--space-xs) var(--space-md);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--dur-short) var(--ease-out),
              border-color var(--dur-short) var(--ease-out),
              color var(--dur-short) var(--ease-out);
}
.btn--primary {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}
.btn--primary:hover,
.btn--primary:focus-visible {
  background: color-mix(in oklch, var(--color-accent) 86%, var(--color-ink));
}
.btn--ghost {
  background: transparent;
  border-color: var(--color-rule-2);
  color: var(--color-ink-2);
}
.btn--ghost:hover,
.btn--ghost:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.btn:active { transform: translateY(1px); }
.btn:disabled,
.btn[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; }
.btn--primary:disabled:hover { background: var(--color-accent); }
.cmdk:disabled,
.cmdk[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; }

/* N13 · Bordered bar + inline ⌘K pill */
.nav {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: color-mix(in oklch, var(--color-paper) 88%, transparent);
  backdrop-filter: blur(10px) saturate(120%);
  border-bottom: var(--rule-hair) solid var(--color-rule);
}
.nav__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
  padding-block: var(--space-sm);
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-md);
  letter-spacing: -0.02em;
  color: var(--color-ink);
  text-decoration: none;
  white-space: nowrap;
}
.wordmark .mark {
  width: 1.15em;
  height: 1.15em;
  flex: none;
  color: var(--color-ink);
  transition: color var(--dur-short) var(--ease-out);
}
.wordmark:hover .mark,
.wordmark:focus-visible .mark { color: var(--color-accent); }

.nav__links { margin-inline: auto; }
.nav__links ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__link {
  display: inline-flex;
  align-items: center;
  font-size: var(--text-sm);
  color: var(--color-muted);
  text-decoration: none;
  white-space: nowrap;
  padding-block: var(--space-2xs);
  border-bottom: var(--rule-hair) solid transparent;
  transition: color var(--dur-short) var(--ease-out),
              border-color var(--dur-short) var(--ease-out);
}
.nav__link:hover,
.nav__link:focus-visible { color: var(--color-accent); border-color: var(--color-accent); }
.nav__link[aria-current="page"] { color: var(--color-ink); border-color: var(--color-rule-2); }

.nav__actions { display: flex; align-items: center; gap: var(--space-sm); }

.cmdk {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  background: var(--color-paper);
  border: var(--rule-hair) solid var(--color-rule-2);
  border-radius: var(--radius-sm);
  padding: var(--space-2xs) var(--space-sm);
  min-height: 2rem;
  white-space: nowrap;
  cursor: pointer;
  transition: border-color var(--dur-short) var(--ease-out),
              color var(--dur-short) var(--ease-out);
}
.cmdk:hover,
.cmdk:focus-visible { border-color: var(--color-accent); color: var(--color-accent); }
.cmdk:active { transform: translateY(1px); }
.cmdk kbd {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-neutral);
}

/* Hero — H2 split diptych, left-biased */
.hero { padding-block: clamp(2.5rem, 6vh, 5rem) var(--space-3xl); }
.hero__grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: var(--space-2xl);
  align-items: center;
}
.hero__intro { display: grid; gap: var(--space-md); align-content: start; }
.hero__display {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-display);
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  margin: 0;
  overflow-wrap: anywhere;
  min-width: 0;
}
.hero__lede {
  font-size: var(--text-md);
  line-height: 1.55;
  color: var(--color-muted);
  max-width: 46ch;
  margin: 0;
}
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-sm); margin-top: var(--space-xs); }

/* Graphite instrument panel — typographic frame, no fake window chrome */
.panel {
  border: var(--rule-hair) solid var(--color-rule-2);
  border-radius: var(--radius-md);
  background: var(--color-paper);
  overflow: hidden;
}
.panel--graphite {
  background: var(--color-graphite);
  color: var(--color-on-graphite);
  border-color: var(--color-rule-graphite);
  box-shadow: var(--shadow-lift);
}
.panel__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-on-graphite-muted);
  margin: 0;
  padding: var(--space-sm) var(--space-md);
  border-bottom: var(--rule-hair) solid var(--color-rule-graphite);
}
.panel__rows { margin: 0; padding: var(--space-sm) var(--space-md) var(--space-md); }
.panel__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: var(--space-sm);
  border-bottom: var(--rule-hair) solid var(--color-rule-graphite);
}
.panel__row:last-child { border-bottom: 0; padding-bottom: 0; }
.panel__row dt {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-on-graphite-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0;
}
.panel__row dd {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-accent-on-dark);
  margin: 0;
  white-space: nowrap;
}

/* Section rhythm */
.section { padding-block: var(--space-2xl); }
.section__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-xl);
  letter-spacing: -0.02em;
  color: var(--color-ink);
  margin: 0 0 var(--space-lg);
  overflow-wrap: anywhere;
  min-width: 0;
}
.section__lede {
  font-size: var(--text-md);
  line-height: 1.55;
  color: var(--color-muted);
  max-width: var(--measure);
  margin: 0;
}

/* Bento Grid — asymmetric tiles */
.bento { padding-block: var(--space-2xl); }
.bento__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: minmax(11rem, auto);
  gap: var(--space-md);
}
.cell {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background: var(--color-paper);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-md);
  transition: border-color var(--dur-short) var(--ease-out);
}
.cell:hover { border-color: var(--color-accent); }
.cell--graphite {
  background: var(--color-graphite);
  color: var(--color-on-graphite);
  border-color: var(--color-rule-graphite);
}
.cell--graphite:hover { border-color: var(--color-accent-on-dark); }
.cell__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-neutral);
  margin: 0;
}
.cell--graphite .cell__label { color: var(--color-on-graphite-muted); }
.cell__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-ink);
  margin: 0;
  overflow-wrap: anywhere;
  min-width: 0;
}
.cell--graphite .cell__title { color: var(--color-on-graphite); }
.cell__body {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-muted);
  margin: 0;
  max-width: 46ch;
}
.cell--graphite .cell__body { color: var(--color-on-graphite-muted); }
.cell__foot { margin-top: auto; padding-top: var(--space-sm); }
.cell--graphite .link {
  color: var(--color-accent-on-dark);
  text-decoration-color: var(--color-rule-graphite);
}
.cell--graphite .link:hover,
.cell--graphite .link:focus-visible { text-decoration-color: var(--color-accent-on-dark); }

.span-2x2 { grid-column: span 2; grid-row: span 2; }
.span-2x1 { grid-column: span 2; }
.span-1x2 { grid-row: span 2; }

/* The one dark beat — full-bleed graphite band */
.band {
  background: var(--color-graphite);
  color: var(--color-on-graphite);
  padding-block: var(--space-3xl);
  margin-block: var(--space-2xl);
}
.band__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-display-s);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-on-graphite);
  margin: 0 0 var(--space-xl);
  max-width: 24ch;
  overflow-wrap: anywhere;
  min-width: 0;
}
.band__title em { font-style: normal; color: var(--color-accent-on-dark); }
.band__rules {
  display: grid;
  gap: 0;
  border-top: var(--rule-hair) solid var(--color-rule-graphite);
  margin: 0;
}
.band__rule {
  display: grid;
  grid-template-columns: 16rem 1fr;
  gap: var(--space-lg);
  padding-block: var(--space-md);
  border-bottom: var(--rule-hair) solid var(--color-rule-graphite);
}
.band__rule dt {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-accent-on-dark);
  margin: 0;
}
.band__rule dd {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-on-graphite-muted);
  margin: 0;
  max-width: 56ch;
}

/* Closing CTA strip */
.cta-strip {
  padding-block: var(--space-2xl) var(--space-3xl);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  border-top: var(--rule-hair) solid var(--color-rule);
}
.cta-strip h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
  color: var(--color-ink);
  margin: 0;
  overflow-wrap: anywhere;
  min-width: 0;
}

/* Interior page head */
.page-head { padding-block: var(--space-2xl) var(--space-lg); max-width: var(--measure); }
.page-head h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-display-s);
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-ink);
  margin: 0 0 var(--space-md);
  overflow-wrap: anywhere;
  min-width: 0;
}
.page-head__lede {
  font-size: var(--text-md);
  line-height: 1.55;
  color: var(--color-muted);
  margin: 0;
}

/* Content rows — hairline spec sheet */
.rows { list-style: none; margin: 0; padding: 0; border-top: var(--rule-hair) solid var(--color-rule); }
.rows > li {
  display: grid;
  grid-template-columns: 14rem minmax(0, 1fr);
  gap: var(--space-xl);
  padding-block: var(--space-xl);
  border-bottom: var(--rule-hair) solid var(--color-rule);
}
.row__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-md);
  letter-spacing: -0.02em;
  color: var(--color-ink);
  margin: 0;
  overflow-wrap: anywhere;
  min-width: 0;
}
.row__body { margin: 0; color: var(--color-muted); max-width: var(--measure); }
.row__body + .row__body { margin-top: var(--space-sm); }
.row__foot { margin-top: var(--space-sm); }

/* Prose — legal and about */
.prose { max-width: var(--measure); padding-block: var(--space-lg) var(--space-3xl); }
.prose h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-md);
  letter-spacing: -0.02em;
  color: var(--color-ink);
  margin: var(--space-xl) 0 var(--space-sm);
  overflow-wrap: anywhere;
  min-width: 0;
}
.prose h2:first-child { margin-top: 0; }
.prose p { margin: 0 0 var(--space-md); }
.prose a {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: var(--color-accent-dim);
  text-underline-offset: 2px;
}
.prose a:hover,
.prose a:focus-visible { text-decoration-color: var(--color-accent); }
.prose .lede { font-size: var(--text-md); line-height: 1.55; color: var(--color-muted); }

/* Ft2 · Inline single line */
.foot {
  border-top: var(--rule-hair) solid var(--color-rule);
  padding-block: var(--space-xl) var(--space-2xl);
}
.foot__line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs) var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin: 0;
}
.foot__wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-md);
  letter-spacing: -0.02em;
  color: var(--color-ink);
}
.foot__line a {
  color: var(--color-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur-short) var(--ease-out);
}
.foot__line a:hover,
.foot__line a:focus-visible { color: var(--color-accent); }
.foot__sep { color: var(--color-neutral); }
.foot__legal {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.7;
  color: var(--color-neutral);
  margin: var(--space-md) 0 0;
  max-width: var(--measure);
}

/* ⌘K command palette */
body.palette-open { overflow: hidden; }
.palette { position: fixed; inset: 0; z-index: var(--z-palette); }
.palette[hidden] { display: none; }
.palette__scrim {
  position: absolute;
  inset: 0;
  background: color-mix(in oklch, var(--color-ink) 35%, transparent);
  backdrop-filter: blur(2px);
}
.palette__panel {
  position: relative;
  width: min(38rem, calc(100% - 2 * var(--space-md)));
  margin: var(--space-3xl) auto 0;
  background: var(--color-paper);
  border: var(--rule-hair) solid var(--color-rule-2);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}
.palette__search {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-bottom: var(--rule-hair) solid var(--color-rule);
}
.palette__prompt {
  font-family: var(--font-mono);
  font-size: var(--text-md);
  color: var(--color-accent);
}
.palette__search input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  font-family: var(--font-body);
  font-size: var(--text-md);
  color: var(--color-ink);
}
.palette__search input::placeholder { color: var(--color-neutral); }
.palette__search kbd {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-neutral);
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-sm);
  padding: var(--space-3xs) var(--space-2xs);
  white-space: nowrap;
}
.palette__list {
  list-style: none;
  margin: 0;
  padding: var(--space-2xs);
  max-height: min(50vh, 24rem);
  overflow-y: auto;
}
.palette__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  color: var(--color-ink-2);
  cursor: pointer;
  transition: background-color var(--dur-micro) var(--ease-out);
}
.palette__item:hover { background: var(--color-paper-2); }
.palette__item[aria-selected="true"] { background: var(--color-paper-2); color: var(--color-ink); }
.palette__item .hint {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-neutral);
  white-space: nowrap;
}
.palette__empty {
  padding: var(--space-lg) var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-neutral);
}

/* Entrance — one orchestrated move on load, nothing on scroll */
@media (prefers-reduced-motion: no-preference) {
  .hero__intro > * { animation: rise var(--dur-long) var(--ease-out) both; }
  .hero__intro > *:nth-child(2) { animation-delay: 80ms; }
  .hero__intro > *:nth-child(3) { animation-delay: 160ms; }
  .hero__panel { animation: rise var(--dur-long) var(--ease-out) 120ms both; }
}
@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

@media (max-width: 60rem) {
  .hero__grid { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); }
  .hero__lede { max-width: none; }
  .bento__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rows > li { grid-template-columns: minmax(0, 1fr); gap: var(--space-sm); }
  .band__rule { grid-template-columns: minmax(0, 1fr); gap: var(--space-2xs); }
  .nav__links { order: 3; flex-basis: 100%; margin-inline: 0; }
  .nav__links ul { gap: var(--space-md); }
}

@media (max-width: 40rem) {
  .bento__grid { grid-template-columns: minmax(0, 1fr); }
  .span-2x2, .span-2x1, .span-1x2 { grid-column: auto; grid-row: auto; }
  .nav__actions .btn { display: none; }
  .cta-strip { align-items: flex-start; }
}

@media (pointer: coarse) {
  .btn { min-height: 44px; }
  .cmdk { min-height: 44px; }
  .nav__link { min-height: 44px; }
  .palette__item { min-height: 44px; align-items: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 150ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
  }
  .hero__intro > *,
  .hero__panel { animation: none; }
}