/* ============================================================
   Use Cases — Coordination Validation
   Per-page CSS, brand tokens only. Light mode; Arch Purple is the
   single accent. Maps to a future page-coordination-validation.php.
   ============================================================ */

.co-page { background: var(--color-draft-white); }
.co-inner { max-width: 1200px; margin: 0 auto; padding: 0 40px; }

.co-eyebrow {
  font-family: var(--font-mono);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 12px;
  color: var(--color-arch-purple);
  margin: 0 0 20px;
}
.co-h2 {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--color-data-black);
  margin: 0 0 18px;
  text-wrap: balance;
}
.co-h2 .accent { color: var(--color-arch-purple); font-weight: 400; }
.co-body {
  font-size: 16.5px;
  line-height: 1.7;
  color: var(--fg-secondary);
  margin: 0 0 16px;
  text-wrap: pretty;
}
.co-body:last-child { margin-bottom: 0; }
.co-body strong { color: var(--color-data-black); font-weight: 600; }
.co-body a { color: var(--color-arch-purple); text-decoration: underline; text-underline-offset: 3px; }
.co-body a:hover { color: var(--purple-700); }

.co-sec { padding: 96px 0; }
.co-sec__head { max-width: 800px; margin: 0 0 52px; }

/* Standard brand background set, shared by every section that exposes a
   background choice. Light fills and washes keep dark copy; the bold purple
   bands flip copy to white and hold Arch Purple through the first 40% of the
   ramp, so a tall section's heading still clears AA contrast. */
.co-sec[data-bg="light-grey"]     { background: var(--color-light-gray); }
.co-sec[data-bg="light-blue"]     { background: var(--bg-section-alt); }
.co-sec[data-bg="light-lavender"] { background: var(--purple-50); }
.co-sec[data-bg="white"]          { background: var(--color-draft-white); }

.co-sec[data-bg="lavender-wash"] {
  background:
    radial-gradient(120% 90% at 50% -10%, var(--purple-50) 0%, rgba(236, 236, 252, 0) 60%),
    var(--color-draft-white);
}
.co-sec[data-bg="sky-wash"] {
  background:
    radial-gradient(120% 90% at 50% -10%, var(--color-sky-100) 0%, rgba(236, 236, 252, 0) 60%),
    var(--color-draft-white);
}
.co-sec[data-bg="lavender-white"] { background: linear-gradient(180deg, var(--purple-50), var(--color-draft-white)); }
.co-sec[data-bg="sky-white"]      { background: linear-gradient(180deg, var(--color-sky-100), var(--color-draft-white)); }
.co-sec[data-bg="lavender-sky"]   { background: linear-gradient(135deg, var(--purple-50), var(--color-sky-50)); }
.co-sec[data-bg="periwinkle-soft"]{ background: linear-gradient(180deg, var(--purple-100), var(--color-draft-white)); }
.co-sec[data-bg="sky-lavender"]   { background: linear-gradient(135deg, var(--color-sky-100), var(--purple-50)); }
.co-sec[data-bg="lavender-glow"]  { background: radial-gradient(70% 60% at 50% 45%, var(--purple-50) 0%, var(--color-draft-white) 75%); }
.co-sec[data-bg="cool-mist"]      { background: linear-gradient(135deg, var(--color-sky-50), var(--purple-50)); }
.co-sec[data-bg="gray-fade"]      { background: linear-gradient(180deg, var(--color-light-gray), var(--color-draft-white)); }
.co-sec[data-bg="lilac-wash"] {
  background:
    radial-gradient(120% 90% at 50% -10%, var(--color-lavender) 0%, rgba(255, 255, 255, 0) 62%),
    var(--color-draft-white);
}

/* Bold purple bands. The ramps run dark to bright so white body copy stays
   legible at every point: --purple-700 (7.69:1) through Arch Purple /
   --purple-500 (5.67:1) to a light end at ~4.6:1. The light end is a token
   mix rather than a scale step because no step between --purple-500 and
   --purple-400 clears 4.5:1 (--purple-400 measures 4.11:1); raw Taro and
   Lavender are 2.23:1 and 2.03:1. */
.co-sec[data-bg="indigo-fade"]     { background: linear-gradient(135deg, var(--purple-700), color-mix(in oklab, var(--color-taro) 20%, var(--color-arch-purple))); }
.co-sec[data-bg="purple-taro"]     { background: linear-gradient(135deg, var(--color-arch-purple), color-mix(in oklab, var(--color-taro) 20%, var(--color-arch-purple))); }
.co-sec[data-bg="purple-lavender"] { background: linear-gradient(135deg, var(--purple-700), color-mix(in oklab, var(--color-lavender) 12%, var(--color-arch-purple))); }
.co-sec[data-bg="deep-indigo"]     { background: linear-gradient(135deg, var(--purple-700), var(--color-arch-purple)); }
.co-sec[data-bg="vertical-purple"] { background: linear-gradient(180deg, var(--purple-700), color-mix(in oklab, var(--color-taro) 20%, var(--color-arch-purple))); }
.co-sec[data-bg="purple-corner"]   { background: radial-gradient(115% 135% at 18% 25%, color-mix(in oklab, var(--color-taro) 20%, var(--color-arch-purple)) 0%, var(--purple-700) 100%); }
.co-sec[data-bg="gradient-hero"]   { background: linear-gradient(115deg, var(--purple-700) 0%, var(--color-arch-purple) 50%, color-mix(in oklab, var(--color-taro) 20%, var(--color-arch-purple)) 100%); }

.co-sec[data-bg="indigo-fade"] .co-eyebrow,
.co-sec[data-bg="purple-taro"] .co-eyebrow,
.co-sec[data-bg="purple-lavender"] .co-eyebrow,
.co-sec[data-bg="deep-indigo"] .co-eyebrow,
.co-sec[data-bg="vertical-purple"] .co-eyebrow,
.co-sec[data-bg="purple-corner"] .co-eyebrow,
.co-sec[data-bg="gradient-hero"] .co-eyebrow,
.co-sec[data-bg="indigo-fade"] .co-h2,
.co-sec[data-bg="purple-taro"] .co-h2,
.co-sec[data-bg="purple-lavender"] .co-h2,
.co-sec[data-bg="deep-indigo"] .co-h2,
.co-sec[data-bg="vertical-purple"] .co-h2,
.co-sec[data-bg="purple-corner"] .co-h2,
.co-sec[data-bg="gradient-hero"] .co-h2,
.co-sec[data-bg="indigo-fade"] .co-h2 .accent,
.co-sec[data-bg="purple-taro"] .co-h2 .accent,
.co-sec[data-bg="purple-lavender"] .co-h2 .accent,
.co-sec[data-bg="deep-indigo"] .co-h2 .accent,
.co-sec[data-bg="vertical-purple"] .co-h2 .accent,
.co-sec[data-bg="purple-corner"] .co-h2 .accent,
.co-sec[data-bg="gradient-hero"] .co-h2 .accent,
.co-sec[data-bg="indigo-fade"] .co-body,
.co-sec[data-bg="purple-taro"] .co-body,
.co-sec[data-bg="purple-lavender"] .co-body,
.co-sec[data-bg="deep-indigo"] .co-body,
.co-sec[data-bg="vertical-purple"] .co-body,
.co-sec[data-bg="purple-corner"] .co-body,
.co-sec[data-bg="gradient-hero"] .co-body,
.co-sec[data-bg="indigo-fade"] .co-list li,
.co-sec[data-bg="purple-taro"] .co-list li,
.co-sec[data-bg="purple-lavender"] .co-list li,
.co-sec[data-bg="deep-indigo"] .co-list li,
.co-sec[data-bg="vertical-purple"] .co-list li,
.co-sec[data-bg="purple-corner"] .co-list li,
.co-sec[data-bg="gradient-hero"] .co-list li,
.co-sec[data-bg="indigo-fade"] .co-body strong,
.co-sec[data-bg="purple-taro"] .co-body strong,
.co-sec[data-bg="purple-lavender"] .co-body strong,
.co-sec[data-bg="deep-indigo"] .co-body strong,
.co-sec[data-bg="vertical-purple"] .co-body strong,
.co-sec[data-bg="purple-corner"] .co-body strong,
.co-sec[data-bg="gradient-hero"] .co-body strong { color: var(--color-draft-white); }

/* on a bold band the list marker needs to read against purple */
.co-sec[data-bg="indigo-fade"] .co-list li::before,
.co-sec[data-bg="purple-taro"] .co-list li::before,
.co-sec[data-bg="purple-lavender"] .co-list li::before,
.co-sec[data-bg="deep-indigo"] .co-list li::before,
.co-sec[data-bg="vertical-purple"] .co-list li::before,
.co-sec[data-bg="purple-corner"] .co-list li::before,
.co-sec[data-bg="gradient-hero"] .co-list li::before { background: var(--color-draft-white); }

/* The interface strips and section notes sit directly on the section
   background rather than inside a white card, so on a bold band they need
   flipping too. Cards keep dark copy on white. */
.co-sec[data-bg="indigo-fade"] .co-iface__what,
.co-sec[data-bg="purple-taro"] .co-iface__what,
.co-sec[data-bg="purple-lavender"] .co-iface__what,
.co-sec[data-bg="deep-indigo"] .co-iface__what,
.co-sec[data-bg="vertical-purple"] .co-iface__what,
.co-sec[data-bg="purple-corner"] .co-iface__what,
.co-sec[data-bg="gradient-hero"] .co-iface__what,
.co-sec[data-bg="indigo-fade"] .co-iface__what b,
.co-sec[data-bg="purple-taro"] .co-iface__what b,
.co-sec[data-bg="purple-lavender"] .co-iface__what b,
.co-sec[data-bg="deep-indigo"] .co-iface__what b,
.co-sec[data-bg="vertical-purple"] .co-iface__what b,
.co-sec[data-bg="purple-corner"] .co-iface__what b,
.co-sec[data-bg="gradient-hero"] .co-iface__what b,
.co-sec[data-bg="indigo-fade"] .co-gates__note,
.co-sec[data-bg="purple-taro"] .co-gates__note,
.co-sec[data-bg="purple-lavender"] .co-gates__note,
.co-sec[data-bg="deep-indigo"] .co-gates__note,
.co-sec[data-bg="vertical-purple"] .co-gates__note,
.co-sec[data-bg="purple-corner"] .co-gates__note,
.co-sec[data-bg="gradient-hero"] .co-gates__note,
.co-sec[data-bg="indigo-fade"] .co-dash__note,
.co-sec[data-bg="purple-taro"] .co-dash__note,
.co-sec[data-bg="purple-lavender"] .co-dash__note,
.co-sec[data-bg="deep-indigo"] .co-dash__note,
.co-sec[data-bg="vertical-purple"] .co-dash__note,
.co-sec[data-bg="purple-corner"] .co-dash__note,
.co-sec[data-bg="gradient-hero"] .co-dash__note { color: var(--color-draft-white); }

.co-sec[data-bg="indigo-fade"] .co-iface__tag,
.co-sec[data-bg="purple-taro"] .co-iface__tag,
.co-sec[data-bg="purple-lavender"] .co-iface__tag,
.co-sec[data-bg="deep-indigo"] .co-iface__tag,
.co-sec[data-bg="vertical-purple"] .co-iface__tag,
.co-sec[data-bg="purple-corner"] .co-iface__tag,
.co-sec[data-bg="gradient-hero"] .co-iface__tag { color: var(--color-draft-white); }

/* the hit and referred tags are warning/purple on white, which both lose
   against the band, so they also flip */
.co-sec[data-bg="indigo-fade"] .co-iface--hit .co-iface__tag,
.co-sec[data-bg="indigo-fade"] .co-iface--person .co-iface__tag,
.co-sec[data-bg="purple-taro"] .co-iface--hit .co-iface__tag,
.co-sec[data-bg="purple-taro"] .co-iface--person .co-iface__tag,
.co-sec[data-bg="purple-lavender"] .co-iface--hit .co-iface__tag,
.co-sec[data-bg="purple-lavender"] .co-iface--person .co-iface__tag,
.co-sec[data-bg="deep-indigo"] .co-iface--hit .co-iface__tag,
.co-sec[data-bg="deep-indigo"] .co-iface--person .co-iface__tag,
.co-sec[data-bg="vertical-purple"] .co-iface--hit .co-iface__tag,
.co-sec[data-bg="vertical-purple"] .co-iface--person .co-iface__tag,
.co-sec[data-bg="purple-corner"] .co-iface--hit .co-iface__tag,
.co-sec[data-bg="purple-corner"] .co-iface--person .co-iface__tag,
.co-sec[data-bg="gradient-hero"] .co-iface--hit .co-iface__tag,
.co-sec[data-bg="gradient-hero"] .co-iface--person .co-iface__tag { color: var(--color-draft-white); }
.co-sec[data-bg="indigo-fade"] .co-iface,
.co-sec[data-bg="purple-taro"] .co-iface,
.co-sec[data-bg="purple-lavender"] .co-iface,
.co-sec[data-bg="deep-indigo"] .co-iface,
.co-sec[data-bg="vertical-purple"] .co-iface,
.co-sec[data-bg="purple-corner"] .co-iface,
.co-sec[data-bg="gradient-hero"] .co-iface { border-left-color: var(--color-lavender); }
.co-sec[data-bg="indigo-fade"] .co-iface--hit,
.co-sec[data-bg="purple-taro"] .co-iface--hit,
.co-sec[data-bg="purple-lavender"] .co-iface--hit,
.co-sec[data-bg="deep-indigo"] .co-iface--hit,
.co-sec[data-bg="vertical-purple"] .co-iface--hit,
.co-sec[data-bg="purple-corner"] .co-iface--hit,
.co-sec[data-bg="gradient-hero"] .co-iface--hit,
.co-sec[data-bg="indigo-fade"] .co-iface--person,
.co-sec[data-bg="purple-taro"] .co-iface--person,
.co-sec[data-bg="purple-lavender"] .co-iface--person,
.co-sec[data-bg="deep-indigo"] .co-iface--person,
.co-sec[data-bg="vertical-purple"] .co-iface--person,
.co-sec[data-bg="purple-corner"] .co-iface--person,
.co-sec[data-bg="gradient-hero"] .co-iface--person { border-left-color: var(--color-draft-white); }

/* ---------- 1. HERO ---------- */
/* The architecture photograph sits behind the whole hero, visible from the
   very top. Values baked from the Tweaks panel: full opacity, 34% vertical
   position, no wash over it. */
.co-hero {
  position: relative;
  padding: 72px 0 64px;
  background: var(--color-draft-white);
}
.co-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  /* url() resolves against this stylesheet, not the document */
  background-image: url("../backgrounds/hero-architecture.jpg");
  background-size: cover;
  background-position: center 34%;
  background-repeat: no-repeat;
}
.co-hero__inner { position: relative; z-index: 2; }
.co-hero__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.co-hero__copy { min-width: 0; }
.co-hero__viz { min-width: 0; }
.co-hero__title {
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: clamp(34px, 3.7vw, 52px);
  line-height: 1.07;
  letter-spacing: -0.022em;
  color: var(--color-data-black);
  margin: 0 0 20px;
  text-wrap: pretty;
}
.co-hero__title .accent { color: var(--color-arch-purple); font-weight: 400; }
.co-hero__lede {
  font-size: 17px;
  line-height: 1.62;
  color: var(--fg-secondary);
  margin: 0;
  max-width: 54ch;
}
.co-chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0 0; padding: 0; list-style: none; }
.co-chips li {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-arch-purple);
  background: var(--color-draft-white);
  border: 1px solid var(--purple-100, #E2E2FA);
  border-radius: 999px;
  padding: 6px 13px;
}

/* hero graphic shell */
.co-viz-card {
  background: var(--color-draft-white);
  border: 1px solid var(--border-subtle, #EAEAEA);
  border-radius: var(--radius-lg, 8px);
  padding: 24px 26px 26px;
  box-shadow: 0 1px 2px rgba(16, 16, 16, 0.04), 0 10px 30px rgba(16, 16, 16, 0.05);
}
.co-viz-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-tertiary, #8B8B8B);
  margin: 0 0 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle, #EAEAEA);
}
.co-viz-card__head b { color: var(--color-arch-purple); font-weight: 500; }
.co-viz-card__foot strong { color: var(--color-data-black); font-weight: 600; }

/* Hero · one dimension, four answers. A dimension comparison rather than a
   list, so the disagreement is read as a physical difference. */
.co-dim__req { margin: 0 0 18px; font-size: 15px; font-weight: 600; line-height: 1.4; color: var(--color-data-black); }
.co-dim { display: grid; gap: 14px; }
.co-dim__row { display: grid; grid-template-columns: 84px 1fr; gap: 12px; align-items: center; }
.co-dim__who {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-tertiary, #8B8B8B);
}
.co-dim__row--off .co-dim__who { color: var(--state-warning-fg); }
.co-dim__track { position: relative; height: 26px; display: flex; align-items: center; }
.co-dim__bar {
  height: 12px;
  border-radius: 2px;
  background: var(--purple-100, #E2E2FA);
  border-right: 2px solid var(--color-arch-purple);
}
.co-dim__row--off .co-dim__bar { background: var(--state-warning-bg); border-right-color: var(--state-warning-fg); }
.co-dim__val {
  margin: 0 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--color-data-black);
  white-space: nowrap;
}
.co-dim__row--off .co-dim__val { color: var(--state-warning-fg); font-weight: 500; }
.co-dim__gap {
  margin-top: 4px;
  padding: 10px 14px;
  border-radius: var(--radius-md, 6px);
  background: var(--state-warning-bg);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--state-warning-fg);
}
.co-dim__gap b { font-weight: 600; }

/* ---------- 2. CURRENT PRACTICE ---------- */
.co-split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.co-list { list-style: none; margin: 22px 0 0; padding: 0; display: grid; gap: 14px; }
.co-list li {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 12px;
  align-items: start;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--fg-secondary);
}
.co-list li::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: 9px;
  border-radius: 999px;
  background: var(--color-arch-purple);
}

.co-panel {
  background: var(--color-draft-white);
  border: 1px solid var(--border-subtle, #EAEAEA);
  border-radius: var(--radius-lg, 8px);
  padding: 26px 28px 28px;
  box-shadow: 0 1px 2px rgba(16, 16, 16, 0.04);
}
.co-panel__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-tertiary, #8B8B8B);
  margin: 0 0 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle, #EAEAEA);
}
.co-panel__foot strong { color: var(--color-data-black); font-weight: 600; }

/* Problem · discipline-pair coverage. Coordination risk lives on the pair,
   not inside one discipline, so the panel is a pair matrix: geometry is
   covered everywhere, the requirement view is covered almost nowhere. */
.co-mtx { display: grid; grid-template-columns: 78px repeat(4, 1fr); gap: 5px; }
.co-mtx__corner { }
.co-mtx__lab {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-tertiary, #8B8B8B);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  line-height: 1.3;
}
.co-mtx__lab--row { justify-content: flex-start; text-align: left; }
.co-mtx__cell {
  aspect-ratio: 1 / 1;
  border-radius: 4px;
  display: grid;
  grid-template-rows: 1fr 1fr;
  overflow: hidden;
  background: var(--color-light-gray);
}
.co-mtx__cell i { display: block; }
.co-mtx__cell i.geo { background: var(--gray-300, #D9D9D9); }
.co-mtx__cell i.req { background: var(--color-arch-purple); }
.co-mtx__cell i.none {
  background: repeating-linear-gradient(135deg, var(--state-warning-bg) 0 4px, transparent 4px 8px);
}
.co-mtx__cell--void { background: none; }
.co-mtx__key { display: grid; gap: 8px; margin: 18px 0 0; padding: 0; list-style: none; }
.co-mtx__key li { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--fg-secondary); }
.co-mtx__key i { width: 14px; height: 9px; border-radius: 2px; flex: none; }

/* ---------- 3. COORDINATION STATUS ---------- */
/* Disciplines as lanes, with the interfaces drawn between them. The status
   of a scheme is read on the boundaries, which is where coordination fails,
   rather than in a row-per-item table. */
.co-lanes { display: grid; gap: 0; }
.co-lane {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 24px;
  align-items: center;
  background: var(--color-draft-white);
  border: 1px solid var(--border-subtle, #EAEAEA);
  border-radius: var(--radius-lg, 8px);
  padding: 20px 24px;
}
.co-lane__name { margin: 0; font-size: 16px; font-weight: 600; color: var(--color-data-black); }
.co-lane__name span {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-tertiary, #8B8B8B);
  margin-top: 5px;
}
.co-lane__items { display: flex; flex-wrap: wrap; gap: 8px; }
.co-lane__chip {
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--fg-secondary);
  background: var(--color-light-gray);
  border-radius: 999px;
  padding: 6px 13px;
}
.co-lane__chip--ok { background: var(--purple-100, #E2E2FA); color: var(--purple-700); }
/* Each discipline's chips carry that discipline's data-viz colour, so a lane
   reads as its own series rather than four rows of the same purple. The tint
   is the fill; text stays dark for contrast at 12.5px. */
.co-lane[data-disc] .co-lane__chip--ok { background: var(--tint); color: var(--color-data-black); }
.co-lane[data-disc="structure"]  { --tint: var(--purple-100, #E2E2FA); }
.co-lane[data-disc="mechanical"]  { --tint: var(--color-sky-100); }
.co-lane[data-disc="electrical"]  { --tint: var(--state-warning-bg); }
.co-lane[data-disc="fire"]        { --tint: var(--purple-50); }

/* the interface strip that sits between two lanes */
.co-iface {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 24px;
  align-items: center;
  margin: 0 24px;
  padding: 12px 0 12px 24px;
  border-left: 2px dashed var(--gray-300, #D9D9D9);
}
.co-iface--hit { border-left-color: var(--state-warning-fg); }
.co-iface--person { border-left-color: var(--color-arch-purple); }
.co-iface__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-tertiary, #8B8B8B);
}
.co-iface--hit .co-iface__tag { color: var(--state-warning-fg); }
.co-iface--person .co-iface__tag { color: var(--color-arch-purple); }
.co-iface__what { margin: 0; font-size: 13.5px; line-height: 1.5; color: var(--fg-secondary); }
.co-iface__what b { color: var(--color-data-black); font-weight: 600; }

/* ---------- 4. WHAT YOU GET ---------- */
.co-gets { display: grid; gap: 20px; }
.co-get {
  background: var(--color-draft-white);
  border: 1px solid var(--border-subtle, #EAEAEA);
  border-radius: var(--radius-lg, 8px);
  padding: 34px 36px;
  display: grid;
  grid-template-columns: 1fr 1.04fr;
  gap: 48px;
  align-items: center;
}
.co-get__copy { min-width: 0; }
.co-get__viz { min-width: 0; }
.co-get:nth-child(even) .co-get__copy { order: 2; }
.co-get:nth-child(even) .co-get__viz { order: 1; }
.co-get__title { font-size: 20px; font-weight: 600; color: var(--color-data-black); margin: 0 0 10px; line-height: 1.3; }
.co-get__text { font-size: 15.5px; line-height: 1.64; color: var(--fg-secondary); margin: 0; text-wrap: pretty; }
.co-get__eg {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--fg-tertiary, #8B8B8B);
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle, #EAEAEA);
}
.co-get__eg b {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-arch-purple);
  display: block;
  margin-bottom: 6px;
}

.co-viz {
  background: var(--color-light-gray);
  border-radius: var(--radius-lg, 8px);
  padding: 20px 20px 22px;
}
.co-viz__label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-tertiary, #8B8B8B);
  margin: 0 0 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gray-300, #D9D9D9);
}

/* 1 · the pair, not the discipline: shared requirements on each interface */
.co-pairs { display: grid; gap: 8px; }
.co-pair {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  background: var(--color-draft-white);
  border-radius: var(--radius-md, 6px);
  padding: 12px 14px;
}
.co-pair--hit { box-shadow: inset 2px 0 0 var(--state-warning-fg); }
.co-pair__who { margin: 0; font-size: 13px; color: var(--color-data-black); }
.co-pair__who em { font-style: normal; color: var(--fg-tertiary, #8B8B8B); padding: 0 6px; }
.co-pair__n {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-tertiary, #8B8B8B);
  white-space: nowrap;
}
.co-pair--hit .co-pair__n { color: var(--state-warning-fg); }

/* 2 · cross-format agreement matrix */
.co-mx { display: grid; gap: 6px; }
.co-mx__row {
  display: grid;
  grid-template-columns: 1fr repeat(4, 30px);
  gap: 8px;
  align-items: center;
  background: var(--color-draft-white);
  border-radius: var(--radius-md, 6px);
  padding: 10px 13px;
  font-size: 12.5px;
  color: var(--color-data-black);
}
.co-mx__row--head {
  background: none;
  padding: 0 13px 8px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-tertiary, #8B8B8B);
}
.co-mx__row--head span { text-align: center; }
.co-cell {
  width: 22px;
  height: 22px;
  margin: 0 auto;
  border-radius: 4px;
  display: grid;
  place-items: center;
  background: var(--purple-100, #E2E2FA);
  color: var(--purple-700);
  font-size: 10px;
}
.co-cell--off { background: var(--state-warning-bg); color: var(--state-warning-fg); }
.co-cell--na { background: var(--color-light-gray); color: var(--fg-tertiary, #8B8B8B); }

/* 4 · handoff chain: where the intent was lost between parties */
.co-chain { display: grid; gap: 0; }
.co-chain__step {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 14px;
  align-items: center;
  background: var(--color-draft-white);
  border-radius: var(--radius-md, 6px);
  padding: 12px 14px;
}
.co-chain__step--break { box-shadow: inset 0 0 0 1.5px var(--state-warning-fg); }
.co-chain__who {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-tertiary, #8B8B8B);
}
.co-chain__step--break .co-chain__who { color: var(--state-warning-fg); }
.co-chain__val { margin: 0; font-size: 13px; color: var(--color-data-black); }
.co-chain__link {
  justify-self: center;
  width: 2px;
  height: 14px;
  background: var(--gray-300, #D9D9D9);
}
.co-chain__link--break { background: var(--state-warning-fg); }

/* 5 · divergence: two teams working from different issues */
.co-fork { display: grid; gap: 0; }
.co-fork__node {
  display: grid;
  grid-template-columns: 58px 1fr;
  gap: 12px;
  align-items: center;
  background: var(--color-draft-white);
  border-radius: var(--radius-md, 6px);
  padding: 11px 14px;
  font-size: 13px;
  color: var(--color-data-black);
}
.co-fork__rev { font-family: var(--font-mono); font-size: 11px; color: var(--color-arch-purple); }
.co-fork__split { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
.co-fork__branch {
  border-radius: var(--radius-md, 6px);
  padding: 12px 14px;
  background: var(--color-draft-white);
  border-top: 2px solid var(--gray-300, #D9D9D9);
}
.co-fork__branch--live { border-top-color: var(--color-arch-purple); }
.co-fork__branch--stale { border-top-color: var(--state-warning-fg); background: var(--state-warning-bg); }
.co-fork__team {
  margin: 0 0 5px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-tertiary, #8B8B8B);
}
.co-fork__branch--stale .co-fork__team { color: var(--state-warning-fg); }
.co-fork__on { margin: 0; font-size: 12.5px; line-height: 1.4; color: var(--color-data-black); }
.co-fork__stem { justify-self: center; width: 2px; height: 14px; background: var(--gray-300, #D9D9D9); }

/* 6 · meeting item flowing straight into the tracker */
.co-flow { display: grid; gap: 10px; }
.co-flow__said {
  background: var(--color-draft-white);
  border-radius: var(--radius-md, 6px);
  padding: 13px 15px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-data-black);
  font-style: italic;
}
.co-flow__said span {
  display: block;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-tertiary, #8B8B8B);
  margin-bottom: 7px;
}
.co-flow__arrow { justify-self: center; color: var(--color-arch-purple); font-size: 14px; line-height: 1; }
.co-flow__made {
  background: var(--color-draft-white);
  border: 1px solid var(--color-arch-purple);
  border-radius: var(--radius-md, 6px);
  padding: 13px 15px;
  display: grid;
  gap: 8px;
}
.co-flow__field { display: grid; grid-template-columns: 74px 1fr; gap: 12px; font-size: 12.5px; color: var(--color-data-black); }
.co-flow__field dt {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-tertiary, #8B8B8B);
  padding-top: 1px;
}
.co-flow__field dd { margin: 0; line-height: 1.4; }

/* 7 · report anatomy: each block of the pack, and where it came from */
.co-rep { display: grid; gap: 9px; }
.co-rep__block {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  align-items: center;
  background: var(--color-draft-white);
  border-radius: var(--radius-md, 6px);
  padding: 12px 14px;
  border-left: 3px solid var(--color-arch-purple);
}
.co-rep__what { margin: 0; font-size: 13px; color: var(--color-data-black); }
.co-rep__from {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-tertiary, #8B8B8B);
  white-space: nowrap;
}
.co-rep__seal {
  margin: 12px 0 0;
  padding: 11px 14px;
  border-radius: var(--radius-md, 6px);
  background: var(--purple-50);
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--color-data-black);
}

.co-ledger {
  background: var(--color-draft-white);
  border: 1px solid var(--border-subtle, #EAEAEA);
  border-radius: var(--radius-lg, 8px);
  overflow: hidden;
}
.co-ledger__head,
.co-ledger__row { display: grid; grid-template-columns: 1.15fr 1fr 1fr; gap: 28px; }
.co-ledger__head {
  padding: 15px 28px;
  background: var(--color-light-gray);
  border-bottom: 1px solid var(--border-subtle, #EAEAEA);
}
.co-ledger__head span {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-secondary);
}
.co-ledger__row {
  padding: 26px 28px;
  border-bottom: 1px solid var(--border-subtle, #EAEAEA);
  font-size: 15px;
  line-height: 1.6;
  color: var(--fg-secondary);
}
.co-ledger__row:last-child { border-bottom: 0; }
.co-ledger__row b { display: block; color: var(--color-data-black); font-weight: 600; }
.co-ledger__row em { font-style: normal; color: var(--color-arch-purple); font-weight: 500; }
/* the load-bearing row: lavender ground and an Arch Purple edge, matching
   .rc-ledger__row--key */
.co-ledger__row--key {
  background: var(--purple-50);
  box-shadow: inset 3px 0 0 var(--color-arch-purple);
}
.co-ledger__row--key > div:first-child b { color: var(--color-arch-purple); }

/* Sourced figures. Each figure gets its own chart type and its own colour
   from the design system's data-viz palette (sanctioned for categorical
   charts). The numeral stays Arch Purple: data-viz colours are for chart
   series, not chrome, and they fail AA at display size on white. Three
   treatments, switched by data-treatment on the wrapper. */
.co-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 24px; }
.co-stat {
  display: flex;
  flex-direction: column;
  padding: 26px;
  border-radius: 0 0 var(--radius-lg, 8px) var(--radius-lg, 8px);
  background: var(--color-draft-white);
  border: 1px solid var(--border-subtle, #EAEAEA);
  border-top: 4px solid var(--viz, var(--color-arch-purple));
  box-shadow: 0 1px 2px rgba(16, 16, 16, 0.04), 0 10px 26px rgba(16, 16, 16, 0.06);
}
.co-stat__n { font-size: 40px; font-weight: 300; letter-spacing: -0.02em; color: var(--color-arch-purple); margin: 0 0 12px; line-height: 1; }
.co-stat__t { flex: 1; font-size: 14.5px; line-height: 1.55; color: var(--color-data-black); margin: 0 0 12px; }
.co-stat__s {
  min-height: 62px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  line-height: 1.5;
  letter-spacing: 0.06em;
  color: var(--fg-tertiary, #8B8B8B);
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle, #EAEAEA);
}

/* ---- figure shells: one chart kind shows per treatment ---- */
.co-fig {
  height: 140px;
  margin: 0 0 20px;
  display: flex;
  align-items: center;
}
.co-fig > span { width: 100%; }
.co-fig > span { display: none; }
.co-stats[data-treatment="charts"] .co-fig > .is-charts,
.co-stats[data-treatment="dials"]  .co-fig > .is-dials,
.co-stats[data-treatment="blocks"] .co-fig > .is-blocks { display: block; }
.co-figkey {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-tertiary, #8B8B8B);
}
.co-figkey li { display: flex; align-items: center; gap: 6px; }
.co-figkey i { width: 10px; height: 7px; border-radius: 2px; flex: none; }
.co-figaxis {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-tertiary, #8B8B8B);
}

/* waffle */
.co-waffle { display: grid; grid-template-columns: repeat(5, 1fr); gap: 5px; width: 128px; }
.co-waffle i { aspect-ratio: 1 / 1; border-radius: 2px; background: var(--color-light-gray); }
.co-waffle i.is-on { background: var(--viz); }

/* nested blocks: the loss, and how much of it traces to planning */
.co-blocks { display: flex; flex-wrap: wrap; gap: 5px; }
.co-blocks i { width: 22px; height: 22px; border-radius: 2px; background: var(--color-lavender); }
.co-blocks i.is-on { background: var(--viz); }

/* stacked coins */
.co-coins { display: grid; gap: 4px; }
.co-coins i { height: 9px; border-radius: 2px; background: var(--color-light-gray); }
.co-coins i.is-on { background: var(--viz); }

/* a supplied screenshot standing in for a drawn diagram; squared corners per
   the design system's imagery rule */
.co-viz__shot { display: block; width: 100%; height: auto; border-radius: var(--radius-md, 6px); }

/* Version comparison. Three treatments switched by data-ver; all four change
   classes carry their own tone via --tone, set per row. */
.co-ver { display: grid; gap: 0; }
.co-ver__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gray-300, #D9D9D9);
}
.co-ver__rev { margin: 0; font-size: 13px; color: var(--color-data-black); }
.co-ver__rev b { font-weight: 600; }
.co-ver__rev span {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--fg-secondary);
}
.co-ver__state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-success);
  white-space: nowrap;
}
.co-ver__state::before { content: ""; width: 7px; height: 7px; border-radius: 999px; background: currentColor; flex: none; }
.co-ver__foot {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--gray-300, #D9D9D9);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-secondary);
}
.co-ver__foot b { color: var(--color-data-black); font-weight: 500; }

.co-ver__rows, .co-ver__quad, .co-ver__table { display: none; }
.co-ver[data-ver="rows"] .co-ver__rows,
.co-ver[data-ver="quad"] .co-ver__quad { display: grid; }
.co-ver[data-ver="table"] .co-ver__table { display: grid; }

/* i · rows — one change class per row, its colour on the left edge */
.co-ver__rows { gap: 8px; margin-top: 14px; }
.co-ver__row {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  border-radius: var(--radius-md, 6px);
  background: var(--color-draft-white);
  box-shadow: inset 3px 0 0 var(--tone);
}
.co-ver__chip {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: var(--tone);
  /* green and orange are light tones: a white numeral is 2.2:1 on them, so the
     row supplies its own legible foreground */
  color: var(--tone-fg, var(--color-draft-white));
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
}
.co-ver__k { margin: 0 0 4px; font-size: 13.5px; font-weight: 600; color: var(--color-data-black); }
.co-ver__x { margin: 0; font-size: 12.5px; line-height: 1.5; color: var(--fg-secondary); }

/* ii · quad — the four classes as a 2x2 of counts */
.co-ver__quad { grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 14px; }
.co-ver__cell {
  padding: 14px 15px 15px;
  border-radius: var(--radius-md, 6px);
  background: var(--color-draft-white);
  border-top: 3px solid var(--tone);
}
/* the tone marks the cap; a light data-viz colour as 26px text is 2.2:1 */
.co-ver__n { margin: 0 0 4px; font-size: 26px; font-weight: 300; letter-spacing: -0.02em; line-height: 1; color: var(--color-data-black); }
.co-ver__cell .co-ver__k { margin: 0 0 5px; }

/* iii · table — the most compact reading */
.co-ver__table { gap: 0; margin-top: 8px; }
.co-ver__trow {
  display: grid;
  grid-template-columns: 22px 92px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid var(--border-subtle, #EAEAEA);
}
.co-ver__trow:last-child { border-bottom: 0; }
.co-ver__table .co-ver__chip { align-self: start; }
.co-ver__table .co-ver__k { margin: 0; }
.co-ver__table .co-ver__x { font-size: 12.5px; }

@media (max-width: 700px) {
  .co-ver__quad { grid-template-columns: 1fr; }
  .co-ver__trow { grid-template-columns: 22px minmax(0, 1fr); row-gap: 6px; }
  .co-ver__table .co-ver__x { grid-column: 2; }
}

/* "View example output" control, matching the sibling use-case pages: a quiet
   text link with a rule, not a second call to action competing with the CTA.
   The loupe signals a modal rather than navigation. */
.co-more {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 16px;
  padding: 0 0 2px;
  border: 0;
  border-bottom: 1px solid var(--purple-100, #E2E2FA);
  border-radius: 0;
  background: none;
  color: var(--color-arch-purple);
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color var(--duration-fast, 120ms) var(--ease-out),
              color var(--duration-fast, 120ms) var(--ease-out);
}
.co-more:hover { color: var(--purple-700); border-bottom-color: var(--color-arch-purple); }
.co-more:focus-visible { outline: 3px solid var(--purple-100, #E2E2FA); outline-offset: 3px; }
.co-more svg { width: 12px; height: 12px; display: block; }

/* Output example overlay. Built in assets/js/pages/coordination-validation.js
   and appended to <body>, so these classes never appear in the template. */
.co-modal { position: fixed; inset: 0; z-index: 400; display: grid; place-items: center; padding: 32px; }
.co-modal[hidden] { display: none; }
.co-modal__scrim { position: absolute; inset: 0; background: rgba(16, 16, 16, 0.4); }
.co-modal__panel {
  position: relative;
  width: min(1180px, 100%);
  max-height: calc(100vh - 64px);
  display: grid;
  grid-template-rows: auto 1fr;
  background: var(--color-draft-white);
  border-radius: var(--radius-lg, 8px);
  box-shadow: 0 24px 64px rgba(16, 16, 16, 0.28);
  overflow: hidden;
}
/* one line rather than a stacked pair: the panel is height-capped, so the
   bar's height comes straight out of the screenshot below it */
.co-modal__bar {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  column-gap: 14px;
  /* the close button sets the row height, so the padding is what is left to
     trim: 8 + 36 + 8 + 1px border = 53px */
  padding: 8px 14px 8px 20px;
  border-bottom: 1px solid var(--border-subtle, #EAEAEA);
}
.co-modal__eyebrow {
  grid-column: 1;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-arch-purple);
}
.co-modal__title { grid-column: 2; margin: 0; font-size: 15px; font-weight: 600; color: var(--color-data-black); }
.co-modal__close {
  grid-column: 3;
  align-self: center;
  position: relative;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border-subtle, #EAEAEA);
  border-radius: var(--radius-md, 6px);
  background: var(--color-draft-white);
  color: var(--color-data-black);
  cursor: pointer;
}
.co-modal__close:hover { background: var(--color-light-gray); }
.co-modal__close svg { width: 16px; height: 16px; }
/* 36px visual box, 44px hit target: the design system's floor is met without
   growing the bar, whose row height the button would otherwise set */
.co-modal__close::after { content: ""; position: absolute; inset: -4px; }
.co-modal__body { padding: 16px; overflow: auto; background: var(--color-light-gray); }
.co-modal__shot { position: relative; width: 100%; }
.co-modal__shot[hidden] { display: none; }
.co-modal__shot img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm, 6px);
  background: var(--color-draft-white);
}

@media (max-width: 700px) {
  .co-modal { padding: 14px; }
  .co-modal__body { padding: 12px; }
}
/* the eyebrow and title no longer fit side by side */
@media (max-width: 560px) {
  .co-modal__bar { grid-template-columns: minmax(0, 1fr) auto; row-gap: 3px; align-items: center; }
  .co-modal__eyebrow { grid-column: 1; }
  .co-modal__title { grid-column: 1; grid-row: 2; }
  .co-modal__close { grid-column: 2; grid-row: 1 / 3; }
}

/* ---------- 6. WHY TEKTOME ---------- */
/* Comparison as a table, matching the Risk & Review Coverage page. */
.co-vs { display: block; }
.co-vs__table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-draft-white);
  border: 1px solid var(--border-subtle, #EAEAEA);
  border-radius: var(--radius-lg, 8px);
  overflow: hidden;
  table-layout: fixed;
}
.co-vs__table th, .co-vs__table td { text-align: left; vertical-align: top; padding: 18px 22px; }
.co-vs__table thead th {
  background: var(--color-light-gray);
  border-bottom: 1px solid var(--border-subtle, #EAEAEA);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-secondary);
  padding-top: 15px;
  padding-bottom: 15px;
}
.co-vs__table thead th:first-child { width: 22%; }
.co-vs__table thead th.is-us { color: var(--color-arch-purple); }
.co-vs__table thead th.is-us img { display: block; height: 19px; width: auto; }
.co-vs__table tbody tr + tr th, .co-vs__table tbody tr + tr td { border-top: 1px solid var(--border-subtle, #EAEAEA); }
.co-vs__table tbody th {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-data-black);
}
.co-vs__table td { font-size: 14.5px; line-height: 1.55; color: var(--fg-secondary); }
.co-vs__table th:nth-child(2), .co-vs__table td:nth-child(2) { background: var(--color-light-gray); }
.co-vs__table .is-us { background: var(--color-draft-white); box-shadow: inset 3px 0 0 var(--color-arch-purple); }
.co-vs__table td.is-us { color: var(--color-data-black); }
.co-vs__cell { display: grid; grid-template-columns: 17px minmax(0, 1fr); gap: 11px; align-items: start; }
/* --gray-400 is 1.35:1 on the grey cell ground, under the 3:1 floor */
.co-vs__cell svg { width: 15px; height: 15px; margin-top: 3px; color: var(--fg-tertiary, #8B8B8B); }
.co-vs__cell--us svg { color: var(--color-arch-purple); }

@media (max-width: 900px) {
  .co-vs__table thead th:first-child { width: auto; }
  .co-vs__table th, .co-vs__table td { padding: 13px 14px; }
}
/* below 700px three columns starve the text box, so the rows stack */
@media (max-width: 700px) {
  .co-vs__table, .co-vs__table tbody, .co-vs__table tr, .co-vs__table th, .co-vs__table td { display: block; }
  .co-vs__table thead { display: none; }
  .co-vs__table tbody tr { padding: 4px 0 14px; }
  .co-vs__table tbody tr + tr { border-top: 1px solid var(--border-subtle, #EAEAEA); }
  .co-vs__table tbody tr + tr th, .co-vs__table tbody tr + tr td { border-top: 0; }
  .co-vs__table tbody th { padding-bottom: 10px; }
  .co-vs__table td { margin: 0 14px 8px; padding: 12px 14px; border-radius: var(--radius-md, 6px); }
  .co-vs__table td:last-child { margin-bottom: 0; }
  .co-vs__table td::before {
    content: "A clash engine";
    display: block;
    margin-bottom: 7px;
    font-family: var(--font-mono);
    font-size: 9.5px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--fg-secondary);
  }
  .co-vs__table td.is-us::before { content: "Tektome"; color: var(--color-arch-purple); }
}

/* ---------- 7. WHO IT'S FOR ---------- */
/* Executive first, per the marketing foundation: the consequence leads, the
   roles sit underneath, and each carries its buying role so a Champion never
   reads as a peer of the Budget owner. The daily user is deliberately last
   and smallest, so the section cannot drift back to productivity. */
.co-roles__lede { max-width: 74ch; margin: 0 0 34px; font-size: 16.5px; line-height: 1.7; color: var(--fg-secondary); }
.co-roles__lede strong { color: var(--color-data-black); font-weight: 600; }

.co-role__buy {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0 0 14px;
  padding: 4px 11px 4px 9px;
  border-radius: 999px;
  background: var(--purple-50);
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-arch-purple);
}
.co-role__buy::before { content: ""; width: 6px; height: 6px; border-radius: 999px; background: var(--color-arch-purple); flex: none; }
.co-role__who em {
  display: block;
  margin-top: 6px;
  font-style: normal;
  font-family: var(--font-sans);
  font-size: 12.5px;
  letter-spacing: 0;
  text-transform: none;
  color: var(--fg-tertiary, #8B8B8B);
  line-height: 1.45;
}

/* Card backgrounds. The four architecture images sit behind a white veil so
   body copy keeps its contrast; the image reads as texture, not subject. */
.co-role {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background-color: var(--color-draft-white);
  background-image: var(--card-img);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.co-role::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.684) 100%);
}
.co-role[data-card="1"] { --card-img: url("../backgrounds/card-facade-curve-card.png"); }
.co-role[data-card="2"] { --card-img: url("../backgrounds/card-apex-card.png"); }
.co-role[data-card="3"] { --card-img: url("../backgrounds/card-corridor-card.png"); }
.co-role[data-card="4"] { --card-img: url("../backgrounds/card-lattice-card.png"); }
/* the table layout has no card surface, so no image behind it */
.co-roles[data-layout="table"] .co-role::before { display: none; }
.co-roles[data-layout="table"] .co-role { background-image: none; }

.co-roles[data-layout="ladder"] { grid-template-columns: repeat(3, 1fr); }
.co-roles[data-layout="ladder"] .co-role:first-child { grid-column: 1 / -1; }
.co-roles[data-layout="ladder"] .co-role:first-child .co-role__t { font-size: 22px; }
.co-roles[data-layout="ladder"] .co-role:first-child .co-role__x { max-width: 62ch; }

.co-roles[data-layout="tiers"] { grid-template-columns: repeat(2, 1fr); counter-reset: tier; }
.co-roles[data-layout="tiers"] .co-role { counter-increment: tier; }
.co-roles[data-layout="tiers"] .co-role__buy::before {
  content: counter(tier, decimal-leading-zero);
  width: auto;
  height: auto;
  border-radius: 0;
  background: none;
  color: var(--color-arch-purple);
}

.co-roles[data-layout="table"] { gap: 0; }
.co-roles[data-layout="table"] .co-role {
  display: grid;
  grid-template-columns: 168px 232px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
  background: none;
  border: 0;
  border-top: 1px solid var(--border-subtle, #EAEAEA);
  border-radius: 0;
  padding: 26px 4px;
}
.co-roles[data-layout="table"] .co-role:last-child { border-bottom: 1px solid var(--border-subtle, #EAEAEA); }
.co-roles[data-layout="table"] .co-role__buy,
.co-roles[data-layout="table"] .co-role__who,
.co-roles[data-layout="table"] .co-role__t { margin: 0; }
.co-roles[data-layout="table"] .co-role__who { grid-column: 2; margin-bottom: 8px; }
.co-roles[data-layout="table"] .co-role__t { grid-column: 2; font-size: 15px; }
.co-roles[data-layout="table"] .co-role__x { grid-column: 3; }

.co-roles__foot {
  display: grid;
  grid-template-columns: 168px minmax(0, 1fr);
  gap: 28px;
  align-items: baseline;
  margin-top: 20px;
  padding-top: 22px;
  border-top: 1px solid var(--border-subtle, #EAEAEA);
}
.co-roles__foot-buy {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-tertiary, #8B8B8B);
}
.co-roles__foot-x { margin: 0; font-size: 14px; line-height: 1.6; color: var(--fg-secondary); max-width: 78ch; }
.co-roles__foot-x strong { color: var(--color-data-black); font-weight: 600; }

.co-roles { display: grid; gap: 20px; }
.co-role {
  background-color: var(--color-draft-white);
  border: 1px solid var(--border-subtle, #EAEAEA);
  border-radius: var(--radius-lg, 8px);
  padding: 26px 24px 28px;
}
.co-role__who {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-arch-purple);
  margin: 0 0 14px;
  line-height: 1.5;
}
.co-role__t { font-size: 16px; font-weight: 600; color: var(--color-data-black); margin: 0 0 10px; line-height: 1.35; }
.co-role__x { font-size: 14px; line-height: 1.6; color: var(--fg-secondary); margin: 0; text-wrap: pretty; }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .co-roles[data-layout="ladder"], .co-roles[data-layout="tiers"] { grid-template-columns: repeat(2, 1fr); }
  .co-stats { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .co-hero { padding: 60px 0 52px; }
  .co-sec { padding: 68px 0; }
  .co-inner, .co-hero__inner { padding: 0 24px; }
  .co-hero__inner { grid-template-columns: 1fr; gap: 36px; }
  .co-dash__scroll { margin: 0 -24px; padding: 0 24px; }
  .co-split { grid-template-columns: 1fr; gap: 40px; }
  .co-vs { grid-template-columns: 1fr; }
  .co-ledger__head { display: none; }
  .co-ledger__row { grid-template-columns: 1fr; gap: 16px; padding: 24px; }
  .co-get { grid-template-columns: 1fr; gap: 26px; padding: 26px; }
  .co-get:nth-child(even) .co-get__copy { order: 0; }
  .co-get:nth-child(even) .co-get__viz { order: 0; }
  .co-lane { grid-template-columns: 1fr; gap: 14px; }
  .co-iface { grid-template-columns: 1fr; gap: 6px; margin: 0 16px; }
}
@media (max-width: 560px) {
  .co-roles[data-layout="ladder"], .co-roles[data-layout="tiers"] { grid-template-columns: 1fr; }
  .co-roles[data-layout="table"] .co-role { grid-template-columns: 1fr; gap: 10px; }
  .co-roles[data-layout="table"] .co-role__who,
  .co-roles[data-layout="table"] .co-role__t,
  .co-roles[data-layout="table"] .co-role__x { grid-column: 1; }
  .co-roles__foot { grid-template-columns: 1fr; gap: 10px; }
  .co-dim__row { grid-template-columns: 1fr; gap: 4px; }
  .co-fork__split { grid-template-columns: 1fr; }
}