/* =================================================================
   C.L. BAILEY & CO. — BRAND BIBLE PORTAL
   Heritage Corporate Identity Manual — Est. 1999, Acts Like 1899

   Design system: printed graphics standards translated to web
   Tokens mirror the live clbailey.com build (v2.0 re-baseline)
   Reference: Vignelli NYC Transit, NASA Graphics Standards 1976
   No frameworks. Square corners. Typography does all the work.
   ================================================================= */

/* ---------- 1. DESIGN TOKENS ------------------------------------ */
:root {
  /* Primary palette — mirrored 1:1 from the live clbailey.com tokens */
  --deep:      #1C1C1E;   /* --color-deep */
  --graphite:  #3A3A3A;   /* --color-primary */
  --true-black:#141413;   /* --color-true-black */
  --bronze:    #A89279;   /* --color-bronze */
  --sand:      #D4C9B8;   /* --color-sand */
  --cloud:     #EDE8E0;   /* --color-cloud */
  --paper:     #FAF8F5;   /* --color-warm-white */
  --surface:   #FFFFFF;
  --green:     #006840;   /* Heritage Green — mark & felt only, never UI */
  --error:     #8B3A3A;   /* functional */

  /* Semantic ink */
  --ink:       var(--graphite);
  --ink-soft:  #6B6560;   /* --color-body */
  --ink-ghost: #9C958D;

  /* Hairline rules */
  --hairline:  var(--cloud);
  --rule-deep: rgba(28,28,30,0.2);
  --rule-bronze: rgba(168,146,121,0.4);

  /* Typography — fixed sizes, no clamp() */
  --serif: "leJourSerif", "Le Jour Serif", Georgia, "Times New Roman", serif;
  --sans:  "Roboto", -apple-system, "Helvetica Neue", Arial, sans-serif;
  --label: "Raleway", "Roboto Condensed", Arial, sans-serif;

  /* Type scale — desktop */
  --fs-chapter-num: 9rem;      /* oversized chapter number */
  --fs-display:     3.5rem;     /* 56px */
  --fs-h1:          2.5rem;     /* 40px */
  --fs-h2:          1.875rem;   /* 30px */
  --fs-h3:          1.375rem;   /* 22px */
  --fs-body-l:      1.125rem;   /* 18px */
  --fs-body:        1rem;       /* 16px */
  --fs-caption:     0.8125rem;  /* 13px */
  --fs-micro:       0.6875rem;  /* 11px */

  /* Spacing — 8px base grid */
  --sp-1: 0.5rem;
  --sp-2: 1rem;
  --sp-3: 1.5rem;
  --sp-4: 2rem;
  --sp-5: 3rem;
  --sp-6: 4rem;
  --sp-7: 6rem;
  --sp-8: 8rem;

  --grid-max: 1280px;
  --column: calc((100% - 11 * var(--sp-2)) / 12);
}

/* ---------- 1b. WEBFONT — LE JOUR SERIF ------------------------
   ⚠ LICENSE: the file shipped here (assets/LeJourSerif.woff2) is built from
   Din Studio's "Personal Use Only" release — COMMERCIAL USE IS NOT LICENSED.
   Before this portal is published as a brand asset, replace it with the
   commercially licensed Le Jour Serif webfont kit (vault 02_Color_Type).
   See PORTAL-DESIGN-REVIEW.md §1.1. Le Jour Serif is a single weight (400).
   ---------------------------------------------------------------- */
@font-face {
  font-family: "Le Jour Serif";
  src: url("assets/LeJourSerif.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ---------- 2. RESET / BASE ------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

/* Serif leads — headlines, chapter numbers, pull quotes */
h1, h2, .chapter-num, .tagline-serif {
  font-family: var(--serif);
  font-weight: 400;          /* Le Jour Serif is 400-only — never bolded or faux-bolded (§2.5.1) */
  line-height: 1.1;
  letter-spacing: normal;    /* Normal tracking at display sizes (§2.5.1) */
}

h3, h4 {
  font-family: var(--label);
  font-weight: 600;          /* Raleway labels are 500/600, not 700 (§2.5.3) */
  line-height: 1.3;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: var(--fs-caption);
}

a {
  color: var(--deep);
  text-decoration: none;
  transition: color 140ms ease;
}
a:hover {
  color: var(--graphite);     /* Bronze fails AA on light grounds (2.8:1, §7.2). Nav/footer links sit on dark grounds and keep bronze via their own rules. */
  text-decoration: underline;
}

img {
  max-width: 100%;
  display: block;
}

code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.9em;
  color: var(--deep);
}

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

/* ---------- 3. GRID SCAFFOLD ------------------------------------ */
.wrap {
  max-width: var(--grid-max);
  margin-inline: auto;
  padding-inline: var(--sp-3);
}

/* 12-column asymmetric grid for chapter spreads */
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--sp-2);
}

/* ---------- 4. SKIP LINK --------------------------------------- */
.skip {
  position: absolute;
  left: -9999px;
  top: var(--sp-2);
  z-index: 1000;
  background: var(--deep);
  color: var(--paper);
  padding: var(--sp-1) var(--sp-2);
  font-size: var(--fs-caption);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.skip:focus {
  left: var(--sp-2);
}

/* ---------- 5. MASTHEAD (slim, flat, no blur) ------------------ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--deep);
  border-bottom: 1px solid var(--bronze);
}

.topbar .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  gap: var(--sp-3);
}

.logo-plate {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.logo-plate img {
  height: 40px;
  width: auto;
}

.brandmark-tag {
  font-family: var(--sans);
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bronze);
}

.mainnav ul {
  list-style: none;
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

.mainnav a {
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper);
  padding: 6px 10px;
  border-bottom: 2px solid transparent;
}

.mainnav a:hover {
  border-bottom-color: var(--bronze);
  color: var(--bronze);
}

/* ---------- 6. HERO (full-bleed chapter band, not centered card) */
.hero {
  background: var(--deep);
  color: var(--paper);
  padding-block: var(--sp-7);
  border-top: 1px solid var(--bronze);
  border-bottom: 4px solid var(--bronze);
  position: relative;
}

/* Oversized screened-back charcoal numeral */
.hero::before {
  content: "01";
  position: absolute;
  top: -0.2em;
  right: 5%;
  font-family: var(--serif);
  font-size: 16rem;
  font-weight: 300;
  color: rgba(244,241,234,0.08);
  line-height: 1;
  pointer-events: none;
  z-index: 0;
}

.hero .wrap {
  position: relative;
  z-index: 1;
}

.hero .eyebrow {
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: var(--sp-1);
}

.hero h1 {
  font-size: var(--fs-display);
  color: var(--paper);
  max-width: 18ch;
  margin-bottom: var(--sp-3);
}

.hero .lede {
  font-size: var(--fs-body-l);
  line-height: 1.7;
  max-width: 60ch;
  color: var(--paper);
  opacity: 0.92;
}

.hero .tagline {
  display: inline-block;
  margin-top: var(--sp-4);
  font-family: var(--serif);
  font-size: var(--fs-h2);   /* Le Jour Serif is never italicized (§2.5.1) — the brass underline carries the emphasis */
  color: var(--bronze);      /* Bronze on Deep Charcoal = 5.7:1, AA — permitted on dark grounds */
  padding-bottom: 6px;
  border-bottom: 2px solid var(--bronze);
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--sp-3);
  margin-top: var(--sp-5);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--rule-bronze);
}

.hero-meta div {
  border-left: 3px solid var(--bronze);
  padding-left: var(--sp-2);
}

.hero-meta dt {
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bronze);
  margin-bottom: 2px;
}

.hero-meta dd {
  font-size: var(--fs-body);
  color: var(--paper);
  font-weight: 600;
}

/* ---------- 7. SECTION / MODULE SCAFFOLD ----------------------- */
main {
  background: var(--paper);
}

section.module {
  padding-block: var(--sp-7);
  border-bottom: 1px solid var(--hairline);
  scroll-margin-top: 70px;
  position: relative;
}

/* Chapter-spread layout: oversized number + content offset */
.module-header {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: var(--sp-5);
  align-items: start;
  margin-bottom: var(--sp-5);
}

.module-no {
  font-family: var(--serif);
  font-size: var(--fs-chapter-num);
  font-weight: 300;
  line-height: 0.9;
  color: rgba(28,28,30,0.15);
  text-align: right;
  padding-top: 0.1em;
}

.module-title-block h2 {
  font-size: var(--fs-h1);
  margin-bottom: var(--sp-1);
}

.module-title-block .sub {
  font-size: var(--fs-body);
  color: var(--ink-soft);
  max-width: 60ch;
  line-height: 1.7;
}

/* Simplified module headers without the big number */
.module > .wrap > p.module-no {
  font-family: var(--sans);
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--graphite);    /* Was bronze-on-warm-white (2.8:1, fails AA per §7.2). Graphite = 10.7:1 AAA. */
  margin-bottom: var(--sp-1);
}

.module > .wrap > h2 {
  font-size: var(--fs-h1);
  margin-bottom: var(--sp-2);
}

.module > .wrap > .sub {
  font-size: var(--fs-body);
  color: var(--ink-soft);
  max-width: 64ch;
  margin-bottom: var(--sp-5);
  line-height: 1.7;
}

h3.block-title {
  font-size: var(--fs-caption);
  font-weight: 600;          /* Raleway labels are 500/600 (§2.5.3) */
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--deep);
  margin-top: var(--sp-6);
  margin-bottom: var(--sp-3);
  padding-top: var(--sp-2);
  border-top: 1px solid var(--hairline);
}

/* ---------- 8. RULED TABLE OF CONTENTS (replaces index-card grid) */
.toc-list {
  border: 1px solid var(--hairline);
  background: var(--surface);
}

.toc-list .toc-row {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  gap: var(--sp-3);
  align-items: baseline;
  padding: var(--sp-3);
  border-bottom: 1px solid var(--hairline);
  transition: background 120ms ease;
}

.toc-list .toc-row:last-child {
  border-bottom: 0;
}

.toc-list .toc-row:hover {
  background: rgba(28,28,30,0.03);
}

.toc-list .toc-num {
  font-family: var(--serif);
  font-size: var(--fs-h3);
  color: var(--deep);
  font-weight: 500;
  text-align: right;
}

.toc-list .toc-title {
  font-weight: 700;
  color: var(--ink);
}

.toc-list .toc-desc {
  font-size: var(--fs-caption);
  color: var(--ink-soft);
  margin-top: 4px;
  line-height: 1.5;
}

.toc-list .toc-page {
  font-size: var(--fs-caption);
  color: var(--ink-ghost);
  font-weight: 600;
  white-space: nowrap;
}

/* ---------- 9. PILLAR / PERSONA CARDS (3-col, minimal) --------- */
.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--sp-4);
  margin-bottom: var(--sp-4);
}

.spec-card {
  border-left: 3px solid var(--deep);
  padding-left: var(--sp-3);
}

.spec-card .card-title {
  font-family: var(--serif);
  font-size: var(--fs-h3);
  color: var(--deep);
  margin-bottom: var(--sp-1);
}

.spec-card .card-body {
  font-size: var(--fs-caption);
  color: var(--ink-soft);
  line-height: 1.65;
}

/* ---------- 10. SPEC COMPARISON TABLE (do/don't, 2-col hairline) */
.spec-comparison {
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  gap: var(--sp-4);
  border: 1px solid var(--hairline);
  background: var(--surface);
  padding: var(--sp-4);
  margin-bottom: var(--sp-4);
}

.spec-comparison .divider {
  background: var(--hairline);
}

.spec-comparison h4 {
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: var(--sp-2);
}

.spec-comparison.do-dont .col-do h4 {
  color: var(--deep);
}

.spec-comparison.do-dont .col-dont h4 {
  color: var(--error);
}

.spec-comparison ul {
  list-style: none;
  display: grid;
  gap: var(--sp-2);
}

.spec-comparison li {
  font-size: var(--fs-caption);
  color: var(--ink-soft);
  line-height: 1.65;
  padding-left: var(--sp-3);
  position: relative;
}

.spec-comparison.do-dont .col-do li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--deep);
  font-weight: 700;
}

.spec-comparison.do-dont .col-dont li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--error);
  font-weight: 700;
}

/* ---------- 11. CALLOUT (margin note, thick brass left rule) --- */
.callout {
  border-left: 4px solid var(--bronze);
  padding-left: var(--sp-3);
  margin-block: var(--sp-4);
  max-width: 68ch;
}

.callout strong {
  font-weight: 700;
  color: var(--deep);
}

.callout p {
  font-size: var(--fs-body);
  color: var(--ink-soft);
  line-height: 1.7;
}

/* ---------- 12. SPEC TABLE (parts catalog style, hairlines only) */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--hairline);
  background: var(--surface);
  margin-bottom: var(--sp-4);
}

.spec-table thead th {
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--hairline);
  background: var(--paper);
}

.spec-table td {
  padding: 14px 16px;
  font-size: var(--fs-caption);
  color: var(--ink-soft);
  border-bottom: 1px solid var(--hairline);
  vertical-align: top;
}

.spec-table tbody tr:last-child td {
  border-bottom: 0;
}

.spec-table td strong,
.spec-table td code {
  color: var(--ink);
}

/* ---------- 13. LEXICON TERMS (inline, bordered, no pills) ----- */
.term-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: var(--sp-3);
}

.term {
  font-size: var(--fs-caption);
  font-weight: 600;
  padding: 4px 12px;
  border: 1px solid;
  background: transparent;
}

.term.approved {
  color: var(--deep);
  border-color: var(--deep);
}

.term.banned {
  color: var(--error);
  border-color: var(--error);
  text-decoration: line-through;
}

/* ---------- 14. PALETTE GRID (click to copy HEX) --------------- */
.palette {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.swatch {
  border: 1px solid var(--hairline);
  background: var(--surface);
  overflow: hidden;
}

.swatch .chip {
  height: 100px;
  position: relative;
  cursor: pointer;
  transition: opacity 120ms ease;
}

.swatch .chip:hover {
  opacity: 0.92;
}

.swatch .chip .copy {
  position: absolute;
  bottom: 8px;
  right: 8px;
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(43,43,40,0.8);
  color: var(--paper);
  padding: 3px 9px;
  opacity: 0;
  transition: opacity 120ms ease;
}

.swatch .chip:hover .copy,
.swatch .chip:focus-visible .copy {
  opacity: 1;
}

.swatch .meta {
  padding: 12px 14px;
}

.role-tag {
  display: inline-block;
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--deep);
  margin-bottom: 6px;
}

.swatch .name {
  font-weight: 700;
  font-size: var(--fs-caption);
  color: var(--ink);
  margin-bottom: 6px;
}

.swatch .codes {
  font-size: var(--fs-micro);
  color: var(--ink-soft);
  line-height: 1.6;
}

.swatch .codes code {
  font-size: 0.72rem;
  color: var(--deep);
}

/* ---------- 15. TYPE DEMO (baseline-aligned rows) -------------- */
.type-demo {
  border: 1px solid var(--hairline);
  background: var(--surface);
  padding: var(--sp-4);
  margin-bottom: var(--sp-4);
}

.type-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: var(--sp-4);
  align-items: baseline;
  padding-block: var(--sp-2);
  border-bottom: 1px solid var(--hairline);
}

.type-row:last-child {
  border-bottom: 0;
}

.type-row .label {
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.type-row .label small {
  display: block;
  font-weight: 400;
  color: var(--ink-ghost);
  margin-top: 2px;
}

.sample-display {
  font-family: var(--serif);
  font-size: var(--fs-display);
  line-height: 1.1;
}

.sample-h1 {
  font-family: var(--serif);
  font-size: var(--fs-h1);
  line-height: 1.15;
}

.sample-h2 {
  font-family: var(--serif);
  font-size: var(--fs-h2);
  line-height: 1.2;
}

.sample-h3 {
  font-family: var(--sans);
  font-weight: 700;
  font-size: var(--fs-h3);
}

.sample-body {
  font-family: var(--sans);
  font-size: var(--fs-body-l);
  line-height: 1.65;
}

.sample-caption {
  font-family: var(--sans);
  font-size: var(--fs-caption);
  color: var(--ink-soft);
}

/* ---------- 16. PROMPT BLOCK (copyable code, understated button) */
.prompt-block {
  border: 1px solid var(--hairline);
  background: var(--graphite);
  margin-block: var(--sp-3);
  overflow: hidden;
}

.pb-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  padding: 10px 16px;
  background: rgba(43,43,40,0.6);
  border-bottom: 1px solid var(--hairline);
}

.pb-head span {
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bronze);
}

.copy-btn {
  font-family: var(--sans);
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bronze);
  background: transparent;
  border: 1px solid var(--bronze);
  padding: 4px 12px;
  cursor: pointer;
  transition: all 120ms ease;
}

.copy-btn:hover {
  background: var(--bronze);
  color: var(--graphite);
}

.prompt-block pre {
  padding: var(--sp-3);
  color: var(--paper);
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.8125rem;
  line-height: 1.7;
  overflow-x: auto;
  white-space: pre-wrap;
}

/* ---------- 17. CAPTION BLUEPRINT DEMO ------------------------- */
.caption-demo {
  border: 1px solid var(--hairline);
  background: var(--surface);
  padding: var(--sp-4);
  display: grid;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.beat {
  border-left: 3px solid var(--deep);
  padding-left: var(--sp-3);
}

.beat.tags {
  border-left-color: var(--bronze);
}

.beat-label {
  display: block;
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--deep);
  margin-bottom: 6px;
}

.beat p {
  font-size: var(--fs-body);
  color: var(--ink);
  margin-bottom: 6px;
}

.beat small {
  font-size: var(--fs-caption);
  color: var(--ink-soft);
  line-height: 1.6;
}

.beat code {
  font-size: 0.8rem;
  color: var(--deep);
  font-weight: 600;
}

/* ---------- 18. LOGO SHOWCASE ----------------------------------- */
.logo-showcase {
  border: 1px solid var(--hairline);
  background: var(--surface);
  padding: var(--sp-5);
  text-align: center;
  margin-bottom: var(--sp-4);
}

.logo-showcase img {
  max-width: min(560px, 100%);
  margin-inline: auto;
}

.logo-showcase .lcap {
  font-size: var(--fs-caption);
  color: var(--ink-soft);
  line-height: 1.65;
  max-width: 64ch;
  margin: var(--sp-3) auto 0;
  text-align: left;
}

/* ---------- 19. CLEAR-SPACE DIAGRAM ---------------------------- */
.clearspace-demo {
  border: 1px solid var(--hairline);
  background: var(--surface);
  padding: var(--sp-3);
  margin-bottom: var(--sp-3);
}

.cs-outer {
  position: relative;
  border: 2px dashed var(--ink-ghost);
  padding: var(--sp-6);
  display: grid;
  place-items: center;
  margin-bottom: var(--sp-2);
}

.cs-mark {
  background: var(--paper);
  padding: 0;
}

.cs-mark img {
  max-width: 240px;
  width: 100%;
  display: block;
}

.cs-tick {
  position: absolute;
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink-ghost);
}

.cs-tick.top {
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
}

.cs-tick.bottom {
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
}

.cs-tick.left {
  left: 8px;
  top: 50%;
  transform: translateY(-50%);
}

.cs-tick.right {
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
}

.clearspace-demo figcaption,
.cobrand-demo figcaption {
  font-size: var(--fs-caption);
  color: var(--ink-soft);
  line-height: 1.65;
}

/* ---------- 20. CO-BRAND LOCKUP DEMO --------------------------- */
.cobrand-demo {
  border: 1px solid var(--hairline);
  background: var(--surface);
  padding: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.cb-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  background: var(--paper);
  border: 1px dashed var(--ink-ghost);
  padding: var(--sp-5) var(--sp-3);
  margin-bottom: var(--sp-2);
  flex-wrap: wrap;
}

.cb-mark img {
  max-width: 220px;
  width: 100%;
  display: block;
}

.cb-mark.retailer {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.18em;
  color: var(--graphite);
  text-align: center;
  line-height: 1.3;
}

.cb-mark.retailer small {
  display: block;
  font-size: 0.5rem;
  letter-spacing: 0.28em;
  color: var(--ink-ghost);
  font-weight: 600;
  margin-top: 4px;
}

.cb-divider {
  width: 2px;
  align-self: stretch;
  background: var(--hairline);
}

/* ---------- 21. VAULT TABLE ------------------------------------- */
.vault {
  border: 1px solid var(--hairline);
  background: var(--surface);
  overflow: hidden;
  margin-bottom: var(--sp-4);
}

.vault-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-2);
  background: var(--graphite);
  color: var(--paper);
  padding: var(--sp-3);
  border-bottom: 1px solid var(--bronze);
}

.vault-head .brandmark {
  font-family: var(--serif);
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.vault-head .lock {
  font-size: var(--fs-caption);
  color: var(--bronze);
  letter-spacing: 0.08em;
}

.vault-head .lock::before {
  content: "🔒 ";
}

table.files {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-caption);
}

table.files thead th {
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  text-align: left;
  padding: 12px 16px;
  background: var(--paper);
  border-bottom: 1px solid var(--hairline);
}

table.files td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--hairline);
  vertical-align: middle;
}

table.files tbody tr:last-child td {
  border-bottom: 0;
}

table.files tbody tr:hover {
  background: rgba(28,28,30,0.02);
}

table.files .fname {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color: var(--deep);
  font-weight: 600;
  font-size: 0.75rem;
}

.tag {
  display: inline-block;
  font-size: var(--fs-micro);
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 3px 9px;
  border: 1px solid;
  color: var(--ink);
  background: transparent;
}

.tag.svg {
  color: var(--deep);
  border-color: var(--deep);
}

.tag.pdf {
  color: var(--error);
  border-color: var(--error);
}

.tag.jpg {
  color: var(--ink-soft);
  border-color: var(--ink-soft);
}

.tag.dwg {
  color: var(--graphite);
  border-color: var(--graphite);
}

.dl-btn {
  font-family: var(--sans);
  font-weight: 700;
  font-size: var(--fs-caption);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--deep);
  background: transparent;
  color: var(--deep);
  padding: 6px 14px;
  cursor: pointer;
  transition: all 120ms ease;
  white-space: nowrap;
}

.dl-btn:hover {
  background: var(--deep);
  color: var(--paper);
}

/* ---------- 22. FAMILY OF BRANDS ------------------------------- */
.brandfam {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.fam-card {
  border: 1px solid var(--hairline);
  background: var(--surface);
  overflow: hidden;
}

.fam-stage {
  display: grid;
  place-items: center;
  background: #FFFFFF;
  padding: var(--sp-3);
  min-height: 130px;
  border-bottom: 1px solid var(--hairline);
}

.fam-stage img {
  max-width: 180px;
  max-height: 96px;
  width: auto;
  height: auto;
}

.fam-card figcaption {
  padding: 12px 16px;
  font-size: var(--fs-caption);
}

.fam-card figcaption strong {
  display: block;
  color: var(--ink);
  font-weight: 700;
  margin-bottom: 2px;
}

.fam-card figcaption span {
  color: var(--ink-soft);
  display: block;
  margin-bottom: 10px;
}

.fam-card figcaption .dl-btn {
  display: inline-block;
}

/* ---------- 23. FOOTER (colophon) ------------------------------ */
.foot {
  background: var(--graphite);
  color: var(--paper);
  padding-block: var(--sp-5);
  border-top: 1px solid var(--bronze);
}

.foot .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  justify-content: space-between;
  align-items: center;
}

.foot-logo img {
  height: 48px;
  width: auto;
}

.foot .legal {
  font-size: var(--fs-micro);
  max-width: 60ch;
  line-height: 1.65;
  color: var(--sand);
}

/* ---------- 24. TOAST ------------------------------------------ */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(120%);
  background: var(--graphite);
  color: var(--paper);
  padding: 10px 20px;
  font-size: var(--fs-caption);
  font-weight: 600;
  border: 1px solid var(--bronze);
  z-index: 1000;
  transition: transform 180ms ease;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

/* ---------- 25. SPLIT LAYOUT ----------------------------------- */
.split-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
  align-items: start;
  margin-bottom: var(--sp-4);
}

/* ---------- 26. RESPONSIVE ------------------------------------- */
@media (max-width: 1024px) {
  :root {
    --fs-chapter-num: 6rem;
    --fs-display: 2.5rem;
    --fs-h1: 2rem;
  }

  .module-header {
    grid-template-columns: 120px 1fr;
    gap: var(--sp-3);
  }

  .hero::before {
    font-size: 12rem;
  }
}

@media (max-width: 768px) {
  :root {
    --fs-chapter-num: 4rem;
    --fs-display: 2rem;
    --fs-h1: 1.75rem;
    --fs-h2: 1.5rem;
  }

  .module-header {
    grid-template-columns: 1fr;
    gap: var(--sp-2);
  }

  .module-no {
    text-align: left;
    font-size: var(--fs-chapter-num);
  }

  .hero::before {
    font-size: 8rem;
    right: -10%;
  }

  .split-2,
  .spec-comparison {
    grid-template-columns: 1fr;
  }

  .spec-comparison .divider {
    display: none;
  }

  .type-row {
    grid-template-columns: 1fr;
    gap: var(--sp-1);
  }

  .toc-list .toc-row {
    grid-template-columns: 50px 1fr;
    gap: var(--sp-2);
  }

  .toc-list .toc-page {
    display: none;
  }

  .logo-plate img {
    height: 36px;
  }

  .mainnav ul {
    justify-content: flex-start;
  }

  table.files thead {
    display: none;
  }

  table.files,
  table.files tbody,
  table.files tr,
  table.files td {
    display: block;
    width: 100%;
  }

  table.files tr {
    border-bottom: 2px solid var(--hairline);
    padding: var(--sp-2) 0;
  }

  table.files td {
    border: 0;
    padding: 6px 16px;
  }

  table.files td::before {
    content: attr(data-label) " — ";
    font-weight: 700;
    color: var(--ink-soft);
  }

  .cb-stage {
    gap: var(--sp-2);
  }

  .cb-divider {
    width: 60%;
    height: 2px;
    align-self: center;
  }
}

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