/* =========================================================================
   Tieout — shared.css
   Design tokens per BRAND_BRIEF.md (locked). Mobile-first. Dark mode via
   prefers-color-scheme. No external JS libraries; no gradients except the
   paper-grain texture; 4px max radius; 1px hairlines; tabular numerals on
   every dollar figure.
   ========================================================================= */

/* ---------- Tokens ------------------------------------------------------ */
:root {
  --paper: #FAF8F3;
  --card: #FFFFFF;
  --ink: #14201B;
  --muted: #5C6660;
  --hairline: #E2DDD3;

  --primary: #0F5C49;
  --primary-contrast: #FAF8F3;

  --amber: #B45309;
  --red: #B3261E;
  --green: #1A7F37;

  --radius: 4px;
  --radius-sm: 3px;

  --font-serif: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --container-w: 1180px;
  --shadow-card: 0 1px 2px rgba(20, 32, 27, 0.04), 0 6px 20px rgba(20, 32, 27, 0.05);
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #101613;
    --card: #182019;
    --ink: #EDEAE2;
    --muted: #9CA79F;
    --hairline: #2A332C;

    --primary: #35A183;
    --primary-contrast: #0B140F;

    --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 28px rgba(0, 0, 0, 0.35);
  }
}

/* ---------- Reset --------------------------------------------------------*/
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body, h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul[class], ol[class] { margin: 0; padding: 0; list-style: none; }
img, picture, svg { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; color: inherit; }
a { color: inherit; }
table { border-collapse: collapse; width: 100%; }

/* ---------- Base ----------------------------------------------------------*/
html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  position: relative;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* barely-there paper grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='matrix' values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.035 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.site-header, .site-footer, main { position: relative; z-index: 1; }

main { flex: 1 0 auto; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -60px;
  background: var(--primary);
  color: var(--primary-contrast);
  padding: 0.65rem 1rem;
  border-radius: var(--radius);
  z-index: 100;
  transition: top 0.15s ease;
  text-decoration: none;
  font-weight: 600;
}
.skip-link:focus { top: 1rem; }

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

/* ---------- Typography -----------------------------------------------------*/
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.1rem, 4.4vw + 0.6rem, 3.4rem); line-height: 1.06; }
h2 { font-size: clamp(1.6rem, 2.6vw + 0.7rem, 2.35rem); }
h3 { font-size: clamp(1.15rem, 1vw + 0.85rem, 1.4rem); }
h4 { font-family: var(--font-sans); font-size: 1rem; font-weight: 700; }

p { color: var(--ink); }
.lede {
  font-size: clamp(1.05rem, 0.4vw + 1rem, 1.25rem);
  color: var(--muted);
  max-width: 62ch;
}

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

a.text-link {
  color: var(--primary);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
}
a.text-link:hover { text-decoration-thickness: 2px; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--primary);
}

.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.balanced-underline {
  position: relative;
  padding-bottom: 0.2em;
  border-bottom: 2px solid var(--green);
}

/* ---------- Layout ----------------------------------------------------------*/
.container {
  width: 100%;
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: 1.25rem;
}
@media (min-width: 720px) { .container { padding-inline: 2rem; } }

.section {
  padding-block: clamp(3rem, 3vw + 2rem, 5.5rem);
}
.section--band {
  background: var(--card);
  border-block: 1px solid var(--hairline);
}
.section--tight { padding-block: clamp(2.25rem, 2vw + 1.5rem, 3.5rem); }

.section-head {
  max-width: 68ch;
  margin-bottom: clamp(2rem, 2vw + 1rem, 3rem);
}
.section-head > .eyebrow { margin-bottom: 0.85rem; }
.section-head h2 { margin-bottom: 0.85rem; }
.section-head.center { margin-inline: auto; text-align: center; }

.grid {
  display: grid;
  gap: 1.5rem;
}
.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }
@media (min-width: 720px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 860px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

.stack { display: flex; flex-direction: column; gap: 1rem; }

/* ---------- Buttons -----------------------------------------------------*/
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.35rem;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
  line-height: 1.2;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--primary);
  color: var(--primary-contrast);
  border-color: var(--primary);
}
.btn-primary:hover { background: color-mix(in srgb, var(--primary) 88%, black); }

.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--hairline);
}
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }

.btn-ghost {
  background: transparent;
  color: var(--primary);
  border-color: currentColor;
}

.btn-sm { padding: 0.55rem 0.9rem; font-size: 0.85rem; }
.btn-block { width: 100%; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
}

/* ---------- Header / Nav ----------------------------------------------------*/
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: saturate(140%) blur(6px);
  border-bottom: 1px solid var(--hairline);
}

.nav-bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.9rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--ink);
}
.brand-mark { width: 26px; height: 26px; flex: none; }
.brand-mark path {
  stroke: var(--primary);
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  fill: none;
}
.brand-word {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.nav-toggle-input { position: absolute; opacity: 0; pointer-events: none; }
.nav-toggle-label {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  border: 1px solid var(--hairline);
  cursor: pointer;
  align-items: center;
}
.nav-toggle-label span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.65rem;
  font-size: 0.95rem;
  font-weight: 500;
}
.site-nav a:not(.btn) {
  text-decoration: none;
  color: var(--ink);
  padding-block: 0.25rem;
  border-bottom: 2px solid transparent;
}
.site-nav a:not(.btn):hover { color: var(--primary); }
.site-nav a[aria-current="page"] {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

@media (max-width: 780px) {
  .nav-toggle-label { display: flex; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    background: var(--card);
    border-bottom: 1px solid var(--hairline);
    padding: 0.75rem 1.25rem 1.25rem;
    box-shadow: var(--shadow-card);
  }
  .site-nav a:not(.btn) { padding: 0.65rem 0.1rem; border-bottom: 1px solid var(--hairline); }
  .site-nav .btn { margin-top: 0.5rem; }
  .nav-toggle-input:checked ~ .site-nav { display: flex; }
}

/* ---------- Hero -----------------------------------------------------------*/
.hero {
  padding-block: clamp(3rem, 6vw, 6rem) clamp(2.5rem, 4vw, 4rem);
}
.hero-inner { max-width: 46rem; }
.hero h1 { margin-block: 1rem 1.1rem; }
.hero .lede { margin-bottom: 1.75rem; }
.hero-note {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}
.hero-note .mono { color: var(--ink); }

/* ---------- Cards ------------------------------------------------------------*/
.card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 1.75rem;
}

/* ---------- Evidence / quote cards --------------------------------------------*/
.quote-card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius);
  padding: 1.6rem 1.6rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  height: 100%;
}
.quote-card blockquote {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  line-height: 1.5;
  color: var(--ink);
}
.quote-card blockquote::before { content: "\201C"; }
.quote-card blockquote::after { content: "\201D"; }
.quote-cite {
  font-size: 0.85rem;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.quote-cite a { color: var(--muted); text-decoration-thickness: 1px; }
.quote-cite a:hover { color: var(--primary); }
.evidence-note {
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--muted);
}

/* ---------- Steps ------------------------------------------------------------*/
.steps {
  counter-reset: step;
}
.step {
  display: flex;
  gap: 1.1rem;
  padding-block: 1.4rem;
  border-top: 1px solid var(--hairline);
}
.step:first-child { border-top: none; }
.step-num {
  counter-increment: step;
  flex: none;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: var(--radius);
  border: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--primary);
}
.step-num::before { content: counter(step, decimal-leading-zero); }
.step-body h3 { margin-bottom: 0.35rem; }
.step-body p { color: var(--muted); max-width: 55ch; }

/* ---------- Not-do list --------------------------------------------------------*/
.not-do-list { border-top: 1px solid var(--hairline); }
.not-do-item {
  display: grid;
  grid-template-columns: 1.6rem 1fr;
  gap: 0.85rem;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--hairline);
}
.not-do-item .mark {
  color: var(--red);
  font-family: var(--font-mono);
  font-weight: 700;
  line-height: 1.6;
}
.not-do-item h4 { margin-bottom: 0.3rem; }
.not-do-item p { color: var(--muted); }

/* ---------- Three-way diagram ---------------------------------------------------*/
.tie-diagram {
  display: flex;
  align-items: stretch;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}
.tie-box {
  flex: 1 1 200px;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 1.4rem;
  text-align: left;
}
.tie-box .tie-label {
  display: block;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
}
.tie-box .tie-desc { color: var(--muted); font-size: 0.9rem; }
.tie-op {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 1.6rem;
  color: var(--muted);
  flex: 0 0 auto;
  padding-inline: 0.25rem;
}
@media (max-width: 640px) {
  .tie-diagram { flex-direction: column; }
  .tie-op { transform: none; padding-block: 0.1rem; }
}

.mismatch-table {
  margin-top: 2rem;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
}
.mismatch-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  padding: 1.25rem 1.4rem;
  border-top: 1px solid var(--hairline);
}
.mismatch-row:first-child { border-top: none; }
@media (min-width: 720px) {
  .mismatch-row { grid-template-columns: 15rem 1fr; gap: 1.5rem; }
}
.mismatch-row h4 { font-family: var(--font-mono); font-size: 0.92rem; color: var(--primary); }
.mismatch-row p { color: var(--muted); }

/* ---------- Dashboard mockup ------------------------------------------------------*/
.mockup-figure { margin: 0; }
.mockup-shell {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.mockup-chrome {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--hairline);
  background: var(--paper);
}
.mockup-chrome .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--hairline); }
.mockup-chrome .url {
  margin-left: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--muted);
}
.mockup-body { padding: clamp(1.25rem, 2vw, 2rem); }

.mockup-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}
.mockup-head h3 { margin-bottom: 0.2rem; }
.mockup-meta { color: var(--muted); font-size: 0.88rem; }

.status-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius);
  border: 1px solid currentColor;
}
.status-tag.amber { color: var(--amber); }
.status-tag.red { color: var(--red); }
.status-tag.green { color: var(--green); }

.tie-numbers {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hairline);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 1.25rem;
}
@media (min-width: 640px) {
  .tie-numbers { grid-template-columns: repeat(3, 1fr); }
}
.tie-number {
  background: var(--card);
  padding: 1.1rem 1.25rem;
}
.tie-number .label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.45rem;
}
.tie-number .value {
  font-size: clamp(1.25rem, 1.4vw + 0.9rem, 1.6rem);
  font-weight: 600;
  display: inline-block;
}

.delta-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.9rem 1.25rem;
  border-radius: var(--radius);
  border: 1px solid var(--red);
  margin-bottom: 1.75rem;
}
.delta-banner .value { color: var(--red); font-size: 1.15rem; font-weight: 700; }
.delta-banner .note { color: var(--muted); font-size: 0.88rem; }

.discrepancy-inbox { border-top: 1px solid var(--hairline); margin-bottom: 1.5rem; }
.discrepancy-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--hairline);
}
@media (min-width: 640px) {
  .discrepancy-item { grid-template-columns: 6.5rem 1fr auto; align-items: center; gap: 1rem; }
}
.discrepancy-item .amount { font-weight: 600; font-size: 1.02rem; }
.discrepancy-item .amount.red { color: var(--red); }
.discrepancy-item .amount.amber { color: var(--amber); }
.discrepancy-item .desc p { margin-bottom: 0.25rem; }
.discrepancy-item .desc .txn {
  display: block;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.discrepancy-item .actions { display: flex; gap: 0.5rem; }

.mockup-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding-top: 0.5rem;
}
.mockup-caption {
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
}

/* ---------- Free-check preview dropzones ---------------------------------------*/
.upload-preview {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-block: 1.75rem;
}
@media (min-width: 720px) { .upload-preview { grid-template-columns: repeat(3, 1fr); } }
.upload-slot {
  border: 1.5px dashed var(--hairline);
  border-radius: var(--radius);
  padding: 1.4rem 1.1rem;
  text-align: center;
  color: var(--muted);
  background: var(--card);
}
.upload-slot .icon {
  width: 30px;
  height: 30px;
  margin: 0 auto 0.7rem;
  color: var(--primary);
}
.upload-slot .icon svg { stroke: currentColor; fill: none; stroke-width: 1.6; }
.upload-slot .file { display: block; font-family: var(--font-mono); font-size: 0.8rem; margin-bottom: 0.25rem; color: var(--ink); }
.upload-slot .hint { font-size: 0.78rem; }

/* ---------- Pricing --------------------------------------------------------------*/
.price-card {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 1.85rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.price-card .range { color: var(--muted); font-size: 0.9rem; }
.price-card .amount {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}
.price-card .amount .num { font-size: 2.1rem; font-weight: 600; }
.price-card .amount .per { color: var(--muted); font-size: 0.95rem; }
.price-feature-list { display: flex; flex-direction: column; gap: 0.6rem; flex: 1; }
.price-feature-list li {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
  font-size: 0.92rem;
  color: var(--ink);
}
.price-feature-list li::before {
  content: "";
  flex: none;
  width: 14px;
  height: 14px;
  margin-top: 0.28rem;
  border-radius: 2px;
  border: 1.5px solid var(--green);
}

.pricing-terms {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.pricing-terms strong { color: var(--ink); }

/* ---------- Tables (exports) -----------------------------------------------------*/
.data-table-wrap { overflow-x: auto; border: 1px solid var(--hairline); border-radius: var(--radius); }
.data-table { min-width: 620px; }
.data-table th, .data-table td {
  text-align: left;
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--hairline);
  font-size: 0.92rem;
  vertical-align: top;
}
.data-table thead th {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--paper);
}
.data-table tbody tr:last-child td { border-bottom: none; }

/* ---------- Audit PDF mock sheet -----------------------------------------------*/
.pdf-sheet {
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: clamp(1.5rem, 3vw, 2.5rem);
}
.pdf-sheet .pdf-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 1.1rem;
  margin-bottom: 1.1rem;
  flex-wrap: wrap;
}
.pdf-sheet .pdf-head h3 { margin-bottom: 0.2rem; }
.pdf-sheet .pdf-tag { font-family: var(--font-mono); font-size: 0.78rem; color: var(--muted); }
.pdf-sheet dl { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1rem; margin-bottom: 1.25rem; }
.pdf-sheet dt { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); margin-bottom: 0.2rem; }
.pdf-sheet dd { font-family: var(--font-mono); font-weight: 600; }
.pdf-sheet .pdf-list { border-top: 1px solid var(--hairline); }
.pdf-sheet .pdf-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--hairline);
  font-size: 0.9rem;
}
.pdf-sheet .pdf-list li span:first-child { color: var(--muted); }
.pdf-sheet .pdf-sign {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--hairline);
  font-size: 0.85rem;
  color: var(--muted);
}

/* ---------- FAQ ------------------------------------------------------------------*/
.faq-list { border-top: 1px solid var(--hairline); }
.faq-item { border-bottom: 1px solid var(--hairline); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.15rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-weight: 600;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .ico {
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  color: var(--primary);
  width: 1.2rem;
  text-align: center;
}
.faq-item[open] summary .ico::before { content: "\2212"; }
.faq-item:not([open]) summary .ico::before { content: "+"; }
.faq-item .faq-a { padding-bottom: 1.15rem; color: var(--muted); max-width: 68ch; }

/* ---------- Edge case / exports lists ---------------------------------------------*/
.edge-list { border-top: 1px solid var(--hairline); }
.edge-list li {
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--hairline);
  display: flex;
  gap: 0.85rem;
}
.edge-list li::before {
  content: "\2022";
  color: var(--amber);
  font-weight: 700;
  line-height: 1.5;
}
.edge-list p { color: var(--ink); }

/* ---------- Footer -----------------------------------------------------------------*/
.site-footer {
  border-top: 1px solid var(--hairline);
  background: var(--card);
  margin-top: clamp(3rem, 5vw, 6rem);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  padding-block: clamp(2.5rem, 4vw, 3.5rem) 2rem;
}
@media (min-width: 720px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr 1.2fr; }
}
.footer-brand .brand { margin-bottom: 0.85rem; }
.footer-tagline { color: var(--muted); font-size: 0.92rem; max-width: 26ch; }
.footer-nav h3 {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.9rem;
}
.footer-nav { display: flex; flex-direction: column; }
.footer-nav a {
  text-decoration: none;
  color: var(--ink);
  padding-block: 0.35rem;
  font-size: 0.92rem;
}
.footer-nav a:hover { color: var(--primary); }
.footer-legal p { color: var(--muted); font-size: 0.85rem; }

.footer-bottom {
  border-top: 1px solid var(--hairline);
  padding-block: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.footer-bottom .brand-word-sm { font-family: var(--font-serif); color: var(--ink); }

/* ---------- Utility ----------------------------------------------------------------*/
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }

/* ---------- Free Tie-Out Check: live uploader ------------------------------------*/
/* Extends .upload-slot (above) from an illustrative figure into an interactive dropzone. */
.upload-slot[data-slot] { cursor: pointer; transition: border-color 0.15s ease, background-color 0.15s ease; }
.upload-slot[data-slot]:hover,
.upload-slot[data-slot]:focus-visible { border-color: var(--primary); }
.upload-slot.is-over { border-color: var(--primary); border-style: solid; background: color-mix(in srgb, var(--primary) 6%, var(--card)); }
.upload-slot.is-filled { border-style: solid; border-color: var(--primary); }
.upload-slot.is-filled .icon { color: var(--green); }
.upload-slot.is-filled .file { word-break: break-all; }

.check-fields { display: grid; gap: 0.4rem; max-width: 46rem; }
.check-label { font-size: 0.9rem; font-weight: 600; color: var(--ink); margin-top: 0.9rem; }
.check-input {
  width: 100%;
  padding: 0.7rem 0.85rem;
  background: var(--card);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  color: var(--ink);
  font-size: 0.95rem;
}
.check-input:focus-visible { outline: 2px solid var(--primary); outline-offset: 1px; border-color: var(--primary); }
textarea.check-input { resize: vertical; min-height: 4.5rem; }

.check-status { margin-top: 1rem; font-size: 0.9rem; color: var(--muted); min-height: 1.2em; }
.check-status--ok { color: var(--green); font-weight: 600; }
.check-status--warn { color: var(--amber); font-weight: 600; }

#check-submit[disabled] { opacity: 0.45; cursor: not-allowed; }