/* ==========================================================================
   VouchClerk Marketing Website — Design System
   Source of truth: PROJECT.md §4–§5 ("Ink and Ivory, with Brass for the seal")
   Flat, zero shadows/blur/gradients, semantic status colours, WCAG checked.
   ========================================================================== */

:root {
  --canvas: #F7F4EC;        /* Ivory */
  --surface: #FCFBF7;       /* Paper */
  --line: #E2DCCB;          /* Fine rule */
  --line-strong: #8F8774;   /* Control outlines (3.5:1 on Paper) */
  --ink: #16233F;           /* Ink (14.2:1 on Ivory) */
  --muted: #4E5870;         /* Slate (6.9:1 on Paper) */
  --primary: #16233F;       /* Main filled button = Ink */
  --on-primary: #F7F4EC;    /* Ivory text on Ink */
  --side: #16233F;          /* Sidebar / footer panel = Ink */
  --brass: #D9C39A;         /* Light Brass: current-page pill & Balanced badge */
  --brass-ring: #A8834A;    /* Seal ring & Brass rule accent */
  --brass-soft: #EEE8DA;    /* Sand: neutral stat fills */
  --done: #16233F;          /* Finished = Ink ("sealed") */
  --done-soft: #DCE1EB;
  --done-tint: #DCE1EB;
  --done-ink: #16233F;
  --wait: #A8834A;          /* Waiting = Brass */
  --wait-soft: #F1E6CF;
  --wait-tint: #F1E6CF;
  --wait-ink: #6E5124;      /* 5.9:1 on wait-tint */
  --focus: #8A6A36;         /* Deep Brass focus ring & small brass text */
  --danger: #A3322A;        /* 5.3:1 on danger-tint */
  --danger-tint: #F5DCD8;
  --chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234e5870' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");

  --font-sans: 'Manrope', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-display: 'Cormorant Garamond', Georgia, serif;

  --r-sm: 8px;
  --r-card: 16px;
  --r-panel: 28px;
  --r-pill: 999px;
  --control-h: 44px;

  --dur-fast: 150ms;
  --dur-mid: 240ms;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --canvas: #0E1729;
    --surface: #16233F;
    --line: #29385C;
    --line-strong: #6F7C9A;
    --ink: #F7F4EC;
    --muted: #C3C9D6;
    --primary: #D9C39A;
    --on-primary: #16233F;
    --side: #0A1120;
    --brass: #D9C39A;
    --brass-soft: #23304D;
    --done: #C3C9D6;
    --done-soft: #26375C;
    --done-tint: #26375C;
    --done-ink: #DDE2EC;
    --wait: #D9C39A;
    --wait-soft: #3D321F;
    --wait-tint: #3D321F;
    --wait-ink: #E6CF9F;
    --focus: #D9C39A;
    --danger: #F29B92;
    --danger-tint: #3E1E22;
    --chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23c3c9d6' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --canvas: #0E1729;
  --surface: #16233F;
  --line: #29385C;
  --line-strong: #6F7C9A;
  --ink: #F7F4EC;
  --muted: #C3C9D6;
  --primary: #D9C39A;
  --on-primary: #16233F;
  --side: #0A1120;
  --brass: #D9C39A;
  --brass-soft: #23304D;
  --done: #C3C9D6;
  --done-soft: #26375C;
  --done-tint: #26375C;
  --done-ink: #DDE2EC;
  --wait: #D9C39A;
  --wait-soft: #3D321F;
  --wait-tint: #3D321F;
  --wait-ink: #E6CF9F;
  --focus: #D9C39A;
  --danger: #F29B92;
  --danger-tint: #3E1E22;
  --chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23c3c9d6' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  color-scheme: dark;
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 20px;
  background: var(--canvas);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

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

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

/* Layout Containers */
.container {
  width: 100%;
  max-width: 1152px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

@media (min-width: 768px) {
  .container {
    padding-left: 32px;
    padding-right: 32px;
  }
}

.page-stack {
  display: flex;
  flex-direction: column;
  gap: 64px;
  padding-top: 40px;
  padding-bottom: 56px;
}

@media (min-width: 768px) {
  .page-stack {
    gap: 88px;
    padding-top: 56px;
    padding-bottom: 72px;
  }
}

/* Typography Scale (PROJECT.md §5: Cormorant only for wordmark & page titles >=17px) */
.wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  line-height: 1;
}

.hero-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 38px;
  line-height: 44px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

@media (min-width: 640px) {
  .hero-title {
    font-size: 50px;
    line-height: 56px;
  }
}

.page-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 34px;
  line-height: 40px;
  font-weight: 600;
}

.card-title {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 18px;
  line-height: 26px;
  font-weight: 600;
}

.figure {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 24px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.lead {
  margin: 0;
  font-size: 16px;
  line-height: 26px;
  color: var(--muted);
}

.body-muted {
  color: var(--muted);
}

.small {
  font-size: 12px;
  line-height: 18px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 11px;
  line-height: 16px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--focus);
}

.eyebrow-rule {
  width: 28px;
  height: 1px;
  background: var(--brass-ring);
  flex-shrink: 0;
}

.tagline {
  margin: 0;
  font-size: 14px;
  line-height: 22px;
  font-style: italic;
  color: var(--muted);
}

.tabular {
  font-variant-numeric: tabular-nums;
}

/* Header & Navigation */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border-radius: var(--r-pill);
  padding: 4px 8px 4px 0;
}

.brand-seal {
  flex-shrink: 0;
}

.seal-dark {
  display: none;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .seal-light {
    display: none;
  }
  :root:not([data-theme="light"]) .seal-dark {
    display: block;
  }
}

:root[data-theme="dark"] .seal-light {
  display: none;
}

:root[data-theme="dark"] .seal-dark {
  display: block;
}

.brand-descriptor {
  display: block;
  margin-top: 3px;
  font-size: 11px;
  line-height: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.26em;
  color: var(--muted);
}

.desktop-nav {
  display: none;
  align-items: center;
  gap: 4px;
}

.header-actions {
  display: none;
  align-items: center;
  gap: 8px;
}

.mobile-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

@media (min-width: 980px) {
  .desktop-nav,
  .header-actions {
    display: flex;
  }
  .mobile-controls {
    display: none;
  }
}

.nav-pill {
  display: inline-flex;
  align-items: center;
  height: var(--control-h);
  padding: 0 16px;
  border-radius: var(--r-pill);
  font-size: 15px;
  line-height: 22px;
  font-weight: 500;
  color: var(--muted);
  transition: background-color var(--dur-fast), color var(--dur-fast);
}

.nav-pill:hover {
  background: var(--canvas);
  color: var(--ink);
}

.nav-pill[aria-current="page"] {
  background: var(--brass);
  color: #16233F;
  font-weight: 600;
}

.mobile-drawer {
  display: none;
  border-top: 1px solid var(--line);
  background: var(--surface);
  padding: 16px 20px 20px;
}

.mobile-drawer.is-open {
  display: block;
}

.mobile-drawer nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-drawer-actions {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Buttons (44px pills, one filled primary per screen) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: var(--control-h);
  padding: 0 20px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  font-size: 15px;
  line-height: 22px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--dur-fast), border-color var(--dur-fast), opacity var(--dur-fast);
}

.btn:active {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 600;
}

.btn-primary:hover:not(:disabled) {
  opacity: 0.9;
}

.btn-outline {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--ink);
}

.btn-outline:hover:not(:disabled) {
  background: var(--canvas);
}

.btn-ghost {
  background: transparent;
  padding: 0 14px;
  color: var(--muted);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--canvas);
  color: var(--ink);
}

.btn-sm {
  height: 34px;
  padding: 0 14px;
  font-size: 12px;
  line-height: 18px;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: background-color var(--dur-fast), color var(--dur-fast);
}

.icon-btn:hover {
  background: var(--canvas);
  color: var(--ink);
}

.icon-btn-dark {
  border-color: rgba(247, 244, 236, 0.16);
  color: rgba(247, 244, 236, 0.8);
}

.icon-btn-dark:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #F7F4EC;
}

/* Cards & Panels (Elevation: none. Dark mode gets 1px line edge.) */
.card {
  background: var(--surface);
  border-radius: var(--r-card);
  padding: 24px;
  border: 1px solid var(--line);
}

.card-soft-sand {
  background: var(--brass-soft);
  border-radius: var(--r-card);
  padding: 24px;
  color: var(--ink);
}

.card-soft-done {
  background: var(--done-soft);
  border-radius: var(--r-card);
  padding: 24px;
  color: var(--ink);
}

.card-soft-wait {
  background: var(--wait-soft);
  border-radius: var(--r-card);
  padding: 24px;
  color: var(--ink);
}

.panel-ink {
  background: var(--side);
  color: #F7F4EC;
  border-radius: var(--r-panel);
  padding: 28px;
}

@media (min-width: 768px) {
  .panel-ink {
    padding: 40px;
  }
}

/* Status Pills & Badges (Colour is never the only signal) */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  font-size: 12px;
  line-height: 16px;
  font-weight: 500;
  white-space: nowrap;
  color: var(--ink);
  background: var(--canvas);
}

.pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--muted);
  flex-shrink: 0;
}

.pill-finished {
  background: var(--done-tint);
  color: var(--done-ink);
}
.pill-finished .pill-dot {
  background: var(--done-ink);
}

.pill-waiting {
  background: var(--wait-tint);
  color: var(--wait-ink);
}
.pill-waiting .pill-dot {
  background: var(--wait);
}

.pill-sand {
  background: var(--brass-soft);
  color: var(--ink);
}
.pill-sand .pill-dot {
  background: var(--ink);
}

.pill-danger {
  background: var(--danger-tint);
  color: var(--danger);
}
.pill-danger .pill-dot {
  background: var(--danger);
}

/* Solid Headline Balance Badge (PROJECT.md §5) */
.badge-balanced {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--r-pill);
  background: var(--brass);
  color: #16233F;
  font-size: 13px;
  line-height: 18px;
  font-weight: 600;
}

.badge-discrepancy {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--r-pill);
  background: var(--danger);
  color: #FFFFFF;
  font-size: 13px;
  line-height: 18px;
  font-weight: 600;
}

/* Stat Cards */
.stat-grid {
  display: grid;
  gap: 16px;
}

@media (min-width: 768px) {
  .stat-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .stat-grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.stat-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border-radius: var(--r-card);
  color: var(--ink);
}

.stat-sand { background: var(--brass-soft); }
.stat-done { background: var(--done-soft); }
.stat-wait { background: var(--wait-soft); }

.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--ink);
}

/* Grids */
.grid-2 {
  display: grid;
  gap: 20px;
}
.grid-3 {
  display: grid;
  gap: 20px;
}
.split-12 {
  display: grid;
  grid-template-columns: minmax(0, 1fr); /* one column on phones, never wider than the screen */
  gap: 24px;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .split-12 {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
  .col-5 { grid-column: span 5; }
  .col-7 { grid-column: span 7; }
  .col-4 { grid-column: span 4; }
  .col-8 { grid-column: span 8; }
}

/* Tables (Inside Paper card, Ivory pill header band, bracketed negatives) */
.table-wrap {
  width: 100%;
  overflow-x: auto;
}

.tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 20px;
}

.tbl thead th {
  background: var(--canvas);
  padding: 8px 12px;
  text-align: left;
  font-size: 12px;
  line-height: 18px;
  font-weight: 500;
  color: var(--muted);
  white-space: nowrap;
}

.tbl thead th:first-child {
  border-top-left-radius: var(--r-pill);
  border-bottom-left-radius: var(--r-pill);
}

.tbl thead th:last-child {
  border-top-right-radius: var(--r-pill);
  border-bottom-right-radius: var(--r-pill);
}

.tbl tbody td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

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

.tbl-compact { font-size: 13px; }
.tbl-compact thead th { padding: 8px 10px; }
.tbl-compact tbody td { padding: 10px; }

/* Panels that stay stacked even on wide screens (the binder's lead sheet + PDF) */
@media (min-width: 980px) {
  .split-12.split-stack { grid-template-columns: minmax(0, 1fr); }
  .split-12.split-stack > * { grid-column: auto; }
}

.tbl .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* Form Controls (44px pills, custom inset chevron on selects) */
.label {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  line-height: 18px;
  font-weight: 500;
  color: var(--muted);
}

.field {
  width: 100%;
  height: var(--control-h);
  padding: 0 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink);
  font-size: 14px;
  line-height: 20px;
}

.field::placeholder,
.field-area::placeholder {
  color: var(--muted);
  opacity: 0.75;
}

select.field {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 44px;
  cursor: pointer;
  background-image: var(--chevron);
  background-repeat: no-repeat;
  background-position: right 18px center;
  background-size: 16px 16px;
}

.field-area {
  width: 100%;
  padding: 14px 16px;
  border-radius: var(--r-card);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink);
  font-size: 14px;
  line-height: 20px;
  resize: vertical;
}

.field-error {
  border-color: var(--danger);
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

@media (min-width: 640px) {
  .choice-grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.choice-pill {
  height: var(--control-h);
  padding: 0 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--ink);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: background-color var(--dur-fast), border-color var(--dur-fast);
}

.choice-pill:hover {
  background: var(--canvas);
}

.choice-pill[aria-checked="true"],
.choice-pill[aria-pressed="true"] {
  border-color: var(--brass);
  background: var(--brass);
  color: #16233F;
  font-weight: 600;
}

.focus-chip {
  height: 38px;
  padding: 0 15px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-strong);
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: background-color var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast);
}

.focus-chip:hover {
  background: var(--canvas);
  color: var(--ink);
}

.focus-chip .chip-check {
  display: none;
  font-size: 12px;
  line-height: 1;
}

.focus-chip[aria-pressed="true"] {
  border-color: var(--focus);
  background: var(--done-tint);
  color: var(--ink);
  font-weight: 600;
}

.focus-chip[aria-pressed="true"] .chip-check {
  display: inline;
}

/* Multi-Step Inquiry Wizard */
.form-stepper {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.stepper-step {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--r-card);
  border: 1px solid transparent;
  background: transparent;
  text-align: left;
  color: var(--muted);
  cursor: default;
  transition: background-color var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast);
}

.stepper-step.is-done {
  cursor: pointer;
  color: var(--ink);
}

.stepper-step.is-done:hover {
  background: var(--canvas);
}

.stepper-step.is-current {
  background: var(--canvas);
  border-color: var(--line);
  color: var(--ink);
}

.stepper-num {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1.5px solid var(--line-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

.stepper-step.is-current .stepper-num {
  border-color: var(--wait);
  background: var(--wait-tint);
  color: var(--wait-ink);
}

.stepper-step.is-done .stepper-num {
  border-color: var(--done);
  background: var(--done);
  color: var(--surface);
}

.stepper-label {
  font-size: 13px;
  line-height: 17px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stepper-sub {
  display: none;
  font-size: 11px;
  line-height: 15px;
  color: var(--muted);
}

@media (min-width: 560px) {
  .stepper-sub {
    display: block;
  }
}

.step-pane {
  display: none;
  flex-direction: column;
  gap: 18px;
}

.step-pane.is-active {
  display: flex;
}

.step-summary-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--r-card);
  background: var(--canvas);
  border: 1px solid var(--line);
  font-size: 12px;
}

.step-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.notice {
  border-radius: var(--r-card);
  padding: 12px 16px;
  font-size: 14px;
}
.notice-danger {
  background: var(--danger-tint);
  color: var(--danger);
}
.notice-sand {
  background: var(--brass-soft);
  color: var(--ink);
}

/* Interactive Engagement Workspace Shell Preview */
.workspace-frame {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-panel);
  padding: 14px;
}

@media (min-width: 768px) {
  .workspace-frame {
    padding: 20px;
  }
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr); /* never wider than the screen on phones */
  gap: 16px;
}

@media (min-width: 980px) {
  .workspace-grid {
    grid-template-columns: 268px minmax(0, 1fr);
  }
}

.workspace-rail {
  background: var(--side);
  color: #F7F4EC;
  border-radius: var(--r-panel);
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
}

.engagement-chip {
  margin-top: 16px;
  padding: 12px;
  border-radius: var(--r-card);
  background: rgba(255, 255, 255, 0.06);
}

.stage-tab {
  width: 100%;
  min-height: var(--control-h);
  padding: 8px 14px;
  border-radius: var(--r-pill);
  border: 0;
  background: transparent;
  color: rgba(247, 244, 236, 0.82);
  display: flex;
  align-items: center;
  gap: 10px;
  text-align: left;
  cursor: pointer;
  transition: background-color var(--dur-fast), color var(--dur-fast);
}

.stage-tab:hover {
  background: rgba(255, 255, 255, 0.09);
  color: #FFFFFF;
}

.stage-tab[aria-selected="true"] {
  background: var(--brass);
  color: #16233F;
}

.stage-tab-sub {
  display: block;
  font-size: 11px;
  line-height: 15px;
  opacity: 0.7;
}

.workspace-canvas {
  background: var(--canvas);
  border-radius: var(--r-card);
  padding: 16px;
}

@media (min-width: 768px) {
  .workspace-canvas {
    padding: 24px;
  }
}

.tieout-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  background: var(--done-tint);
  color: var(--done-ink);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}

.tieout-tag.is-active {
  border-color: var(--focus);
}

.pdf-sheet {
  border-radius: var(--r-card);
  border: 1px solid var(--line);
  background: var(--canvas);
  padding: 16px;
  font-size: 12px;
  line-height: 19px;
}

.pdf-pin-row {
  margin-top: 8px;
  padding: 7px 10px;
  border-radius: var(--r-sm);
  border: 1px solid var(--ink);
  background: var(--brass-soft);
  color: var(--ink);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

/* Sign-Off Trail (PROJECT.md §5: Ink = sealed, Brass = waiting) */
.trail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.trail-item {
  display: flex;
  gap: 12px;
}

.trail-spine {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.trail-node {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid var(--line-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  transition: background-color var(--dur-mid), border-color var(--dur-mid);
}

.trail-node.is-done {
  border-color: var(--done);
  background: var(--done);
  color: var(--surface);
}

.trail-node.is-waiting {
  border-color: var(--wait);
  background: var(--wait-tint);
  color: var(--wait-ink);
}

.trail-connector {
  width: 2px;
  flex: 1;
  min-height: 16px;
  margin-top: 4px;
  background: var(--line);
}

.trail-connector.is-done {
  background: var(--done);
}

/* Benford Chart (PROJECT.md §5: bars = line-strong, flagged = wait, expected = ink) */
.benford-grid {
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  gap: 8px;
  align-items: end;
  height: 156px;
  padding-top: 20px;
}

.benford-col {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 6px;
}

.benford-bar-wrap {
  position: relative;
  width: 100%;
  max-width: 34px;
  height: 120px;
  display: flex;
  align-items: flex-end;
}

.benford-bar {
  width: 100%;
  background: var(--line-strong);
  border-top-left-radius: 4px;
  border-top-right-radius: 4px;
}

.benford-bar.is-flagged {
  background: var(--wait);
}

.benford-expected {
  position: absolute;
  left: -3px;
  right: -3px;
  height: 2px;
  background: var(--ink);
}

/* FAQ Accordion */
details.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: 16px 22px;
}

details.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  font-size: 15px;
  line-height: 22px;
  font-weight: 600;
}

details.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-plus {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--canvas);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 15px;
}

details.faq-item[open] .faq-plus {
  background: var(--brass-soft);
}

.faq-answer {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

/* Footer */
.site-footer {
  margin-top: auto;
  padding-top: 24px;
  padding-bottom: 32px;
}

.footer-grid {
  display: grid;
  gap: 32px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(247, 244, 236, 0.12);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 5fr 3fr 4fr;
  }
}

.footer-links {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-links a {
  color: rgba(247, 244, 236, 0.84);
}

.footer-links a:hover {
  color: #FFFFFF;
  text-decoration: underline;
}

.footer-bottom {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
  color: rgba(247, 244, 236, 0.65);
}

/* Finite single-play motion (<300ms, never loops) */
@keyframes tint-once {
  from { background: var(--brass-soft); }
  to { background: transparent; }
}

.tint-once {
  animation: tint-once 700ms ease-out 1;
}

@keyframes pop {
  0% { transform: scale(0.65); opacity: 0; }
  70% { transform: scale(1.08); }
  100% { transform: scale(1); opacity: 1; }
}

.pop {
  animation: pop 240ms ease-out 1;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .tint-once, .pop { animation: none; }
}

/* Phones: keep "Sign in" one tap away beside the menu button; the theme switch moves into the menu */
.btn-signin-mobile {
  padding: 0 12px;
  font-size: 14px;
}
.mobile-controls .icon-btn[data-theme-toggle] { display: none; }
.mobile-drawer-actions .icon-btn[data-theme-toggle] { align-self: flex-start; }