@charset "UTF-8";
/* ==========================================================================
   AI Visibility Wire — design system
   D9 Design × D10 Engineering

   One stylesheet. No CSS framework, no font CDN, no external request of any
   kind. Every colour value here is numerically verified by
   10-qa/contrast-check.mjs against WCAG 2.2 AA — change a token there first.

   Contents
     01  Tokens
     02  Reset
     03  Base typography
     04  Layout primitives
     05  Header + navigation
     06  Buttons
     07  Badges (evidence provenance)
     08  Cards
     09  Tables
     10  Stats + the Layer Bar figure
     11  Callouts + notes
     12  Prose
     13  Pricing
     14  Comparison
     15  Accordion / FAQ
     16  Forms
     17  Footer
     18  Utilities
     19  Motion + print
   ========================================================================== */

/* ==========================================================================
   01  TOKENS
   ========================================================================== */

:root {
  /* --- colour: light only (D-016 rebuild, 2026-09-13). Verified by 10-qa/contrast-check.mjs --- */
  --text:            #0B1220;
  --text-strong:     #101828;
  --text-secondary:  #475467;
  --text-muted:      #5D6B7E;
  --surface:         #FFFFFF;
  --surface-raised:  #FFFFFF;
  --surface-sunken:  #F5F7FA;
  --surface-tint:    #FBF7F4;
  --rule:            #E4E7EC;
  --rule-strong:     #7C8798;
  --signal:          #B4460F;
  --signal-soft:     #FDF0E7;
  --verified:        #0F6B5C;
  --verified-soft:   #E7F3F0;
  --caution:         #8A5A00;
  --caution-soft:    #FBF2DF;
  --ink:             #101828;

  --shadow-card:  0 1px 2px rgb(16 24 40 / 0.04), 0 8px 24px -12px rgb(16 24 40 / 0.12);
  --shadow-lift:  0 2px 4px rgb(16 24 40 / 0.05), 0 20px 48px -20px rgb(16 24 40 / 0.22);

  /* --- type --- */
  --font-display: "Segoe UI Variable Display", "Segoe UI", system-ui, -apple-system,
                  "Helvetica Neue", Arial, sans-serif;
  --font-body:    system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
                  Arial, sans-serif;
  --font-mono:    ui-monospace, "SF Mono", "Cascadia Mono", "Segoe UI Mono",
                  "Roboto Mono", Menlo, Consolas, monospace;

  /* fluid scale, 1.25 ratio at the small end opening to 1.333 at the large */
  --step--2: clamp(0.694rem, 0.68rem + 0.07vw,  0.75rem);
  --step--1: clamp(0.833rem, 0.81rem + 0.12vw,  0.90rem);
  --step-0:  clamp(1.000rem, 0.97rem + 0.16vw,  1.10rem);
  --step-1:  clamp(1.200rem, 1.14rem + 0.30vw,  1.40rem);
  --step-2:  clamp(1.440rem, 1.34rem + 0.52vw,  1.80rem);
  --step-3:  clamp(1.728rem, 1.55rem + 0.88vw,  2.32rem);
  /* Steps 4 and 5 open up a lot at desktop, so their lower bounds are pulled in
     deliberately: at 375px an h1 set from the wide end runs to seven lines and
     pushes the lede below the fold. */
  --step-4:  clamp(1.85rem,  1.55rem + 1.42vw,  3.00rem);
  --step-5:  clamp(2.05rem,  1.62rem + 2.24vw,  3.90rem);

  --lh-tight: 1.14;
  --lh-snug:  1.28;
  --lh-body:  1.65;

  /* --- space: 4px base, geometric --- */
  --sp-1:  0.25rem;  --sp-2:  0.5rem;   --sp-3:  0.75rem;  --sp-4: 1rem;
  --sp-5:  1.5rem;   --sp-6:  2rem;     --sp-7:  3rem;     --sp-8: 4rem;
  --sp-9:  6rem;     --sp-10: 8rem;

  /* --- geometry --- */
  --measure: 68ch;              /* optimal reading width */
  --container: 74rem;
  --container-narrow: 46rem;
  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 14px;
  --radius-xl: 22px;
  --border: 1px solid var(--rule);

  --ease: cubic-bezier(0.2, 0, 0.1, 1);
  --dur:  160ms;

  color-scheme: light;
}

/* ==========================================================================
   02  RESET
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  min-height: 100vh;
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: var(--lh-body);
  color: var(--text);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg, video { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
p, h1, h2, h3, h4, li { overflow-wrap: break-word; }
[hidden] { display: none !important; }

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

::selection { background: var(--signal); color: var(--surface); }

.skip-link {
  position: absolute;
  left: var(--sp-4); top: var(--sp-4);
  z-index: 200;
  padding: var(--sp-2) var(--sp-4);
  background: var(--signal);
  color: var(--surface);
  font-weight: 600;
  border-radius: var(--radius);
  transform: translateY(-160%);
  transition: transform var(--dur) var(--ease);
}
.skip-link:focus { transform: translateY(0); }

/* ==========================================================================
   03  BASE TYPOGRAPHY
   ========================================================================== */

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-strong);
  letter-spacing: -0.018em;
  text-wrap: balance;
}

h1 { font-size: var(--step-5); line-height: 1.08; letter-spacing: -0.03em; }
h2 { font-size: var(--step-3); line-height: var(--lh-snug); }
h3 { font-size: var(--step-2); line-height: var(--lh-snug); }
h4 { font-size: var(--step-1); line-height: var(--lh-snug); }
h5 { font-size: var(--step-0); line-height: var(--lh-snug); }

p { text-wrap: pretty; }

a {
  color: var(--signal);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color var(--dur) var(--ease);
}
a:hover { color: var(--text-strong); }

strong, b { font-weight: 650; color: var(--text-strong); }

code, kbd, samp, .mono {
  font-family: var(--font-mono);
  font-size: 0.90em;
  font-variant-numeric: tabular-nums;
}

code:not(pre code) {
  background: var(--surface-sunken);
  border: var(--border);
  border-radius: var(--radius-sm);
  padding: 0.1em 0.36em;
}

pre {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  line-height: 1.6;
  background: var(--surface-sunken);
  border: var(--border);
  border-radius: var(--radius);
  padding: var(--sp-4);
  overflow-x: auto;
}

/* Eyebrow — small caps label above a heading. Structural, never decorative. */
.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--sp-3);
}
.eyebrow--signal { color: var(--signal); }

.lede {
  font-size: var(--step-1);
  line-height: 1.55;
  color: var(--text-secondary);
  max-width: var(--measure);
}

/* ==========================================================================
   04  LAYOUT PRIMITIVES
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--sp-5);
}
.container--narrow { max-width: var(--container-narrow); }

.section { padding-block: var(--sp-9); }
.section--tight { padding-block: var(--sp-7); }
.section--sunken { background: var(--surface-sunken); }
.section--ink {
  background: var(--ink);
  color: var(--surface);
}
.section--ink h1, .section--ink h2, .section--ink h3 { color: var(--surface); }
.section--ink .lede, .section--ink p { color: color-mix(in srgb, var(--surface) 78%, transparent); }
.section--ink .eyebrow { color: color-mix(in srgb, var(--surface) 62%, transparent); }
.section + .section { border-top: var(--border); }
.section--ink + .section, .section + .section--ink { border-top: 0; }

/* Inverted blocks flip the ground, so anything that inherits a text colour needs
   restating here. Without these, .btn--secondary renders dark-on-dark. */
.section--ink a { color: var(--surface); }
.section--ink a:hover { color: var(--surface); }
.section--ink .muted,
.section--ink .source,
.section--ink .updated { color: color-mix(in srgb, var(--surface) 64%, transparent); }
.section--ink .source a { color: color-mix(in srgb, var(--surface) 78%, transparent); }
.section--ink .btn--secondary {
  color: var(--surface);
  border-color: color-mix(in srgb, var(--surface) 42%, transparent);
}
.section--ink .btn--secondary:hover {
  background: color-mix(in srgb, var(--surface) 14%, transparent);
  color: var(--surface);
}
.section--ink .btn--primary { color: var(--surface); }
.section--ink .btn--primary:hover { color: var(--surface); }

.stack > * + * { margin-top: var(--sp-4); }
.stack-lg > * + * { margin-top: var(--sp-6); }
.stack-sm > * + * { margin-top: var(--sp-2); }

.grid { display: grid; gap: var(--sp-5); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr)); }

.split {
  display: grid;
  gap: var(--sp-7);
  grid-template-columns: 1fr;
}
@media (min-width: 62rem) {
  .split { grid-template-columns: 1.05fr 0.95fr; align-items: start; }
  .split--sticky > :last-child { position: sticky; top: 6rem; }
}

.section-head { max-width: var(--measure); margin-bottom: var(--sp-7); }

/* ==========================================================================
   05  HEADER + NAVIGATION
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  backdrop-filter: saturate(1.4) blur(12px);
  border-bottom: var(--border);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  min-height: 4.25rem;
}

/* --- logo: wordmark + attenuating copper rule --- */
.logo {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  text-decoration: none;
  color: var(--text-strong);
  flex-shrink: 0;
}
.logo__mark {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 0.075em;
  text-transform: uppercase;
  line-height: 1;
  white-space: nowrap;
}
.logo__wire { display: block; height: 3px; overflow: visible; }
.logo:hover .logo__mark { color: var(--signal); }

.site-nav { margin-left: auto; }
.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  list-style: none;
  padding: 0;
}
.site-nav__link {
  font-size: var(--step--1);
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding-block: var(--sp-2);
  border-bottom: 2px solid transparent;
  white-space: nowrap;
}
.site-nav__link:hover { color: var(--text-strong); }
.site-nav__link[aria-current="page"] {
  color: var(--text-strong);
  border-bottom-color: var(--signal);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  padding: var(--sp-2) var(--sp-3);
  cursor: pointer;
  color: var(--text);
  font-size: var(--step--1);
}

@media (max-width: 60rem) {
  .nav-toggle { display: inline-flex; align-items: center; gap: var(--sp-2); }
  .site-nav {
    display: none;
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: var(--surface-raised);
    border-bottom: var(--border);
    box-shadow: var(--shadow-lift);
    padding: var(--sp-4) var(--sp-5) var(--sp-6);
  }
  .site-nav[data-open="true"] { display: block; }
  .site-nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav__link {
    display: block;
    padding: var(--sp-3) 0;
    border-bottom: var(--border);
    border-left: 2px solid transparent;
    padding-left: var(--sp-3);
  }
  .site-nav__link[aria-current="page"] {
    border-bottom-color: var(--rule);
    border-left-color: var(--signal);
  }
  .site-nav .btn { margin-top: var(--sp-4); width: 100%; justify-content: center; }
}

/* ==========================================================================
   06  BUTTONS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  font-size: var(--step--1);
  font-weight: 600;
  line-height: 1;
  padding: 0.8em 1.35em;
  border: 1px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease),
              color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--signal);
  color: var(--surface);
}
.btn--primary:hover {
  background: color-mix(in srgb, var(--signal) 84%, var(--ink));
  color: var(--surface);
  box-shadow: var(--shadow-card);
}

.btn--secondary {
  background: transparent;
  color: var(--text-strong);
  border-color: var(--rule-strong);
}
.btn--secondary:hover { background: var(--surface-sunken); color: var(--text-strong); }

.btn--ghost { background: none; color: var(--signal); padding-inline: 0; }
.btn--ghost:hover { color: var(--text-strong); }

.btn--lg { font-size: var(--step-0); padding: 0.9em 1.6em; }
.btn--block { width: 100%; }

.btn-row { display: flex; flex-wrap: wrap; gap: var(--sp-3); align-items: center; }

/* ==========================================================================
   07  BADGES — evidence provenance
   Reserved vocabulary. These four colours mean exactly one thing each and are
   never used decoratively anywhere else on the site.
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
  padding: 0.36em 0.6em;
  border-radius: var(--radius-sm);
  border: 1px solid currentColor;
  white-space: nowrap;
  vertical-align: middle;
}
.badge--sourced  { color: var(--verified); background: var(--verified-soft); }
.badge--ours     { color: var(--signal);   background: var(--signal-soft); }
.badge--vendor   { color: var(--caution);  background: var(--caution-soft); }
.badge--unverified { color: var(--caution); background: var(--caution-soft); }
.badge--neutral  { color: var(--text-muted); background: var(--surface-sunken); border-color: var(--rule); }

/* the source line that follows every published figure */
.source {
  display: block;
  font-size: var(--step--2);
  line-height: 1.5;
  color: var(--text-muted);
  margin-top: var(--sp-2);
}
.source a { color: var(--text-muted); text-decoration: underline; }
.source a:hover { color: var(--signal); }

/* ==========================================================================
   08  CARDS
   ========================================================================== */

.card {
  background: var(--surface-raised);
  border: var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6) var(--sp-5);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.card--flat { background: transparent; box-shadow: none; }
.card--link { text-decoration: none; color: inherit; transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.card--link:hover { border-color: var(--rule-strong); box-shadow: var(--shadow-card); color: inherit; }
.card__title { font-size: var(--step-1); }
.card__title a { text-decoration: none; }
.card__body { color: var(--text-secondary); font-size: var(--step--1); }
.card__foot { margin-top: auto; padding-top: var(--sp-3); }

/* numbered step card */
.step { display: grid; grid-template-columns: auto 1fr; gap: var(--sp-4); align-items: start; }
.step__n {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  font-weight: 700;
  color: var(--signal);
  background: var(--signal-soft);
  border: 1px solid currentColor;
  border-radius: 50%;
  width: 2.1rem; height: 2.1rem;
  display: grid; place-items: center;
  flex-shrink: 0;
}

/* ==========================================================================
   09  TABLES
   Numbers must align. Non-negotiable for a brand whose claim is measurement.
   ========================================================================== */

.table-wrap {
  overflow-x: auto;
  border: var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-raised);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--step--1);
}

th, td {
  padding: var(--sp-3) var(--sp-4);
  text-align: left;
  vertical-align: top;
  border-bottom: var(--border);
}
thead th {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--surface-sunken);
  white-space: nowrap;
  position: sticky;
  top: 0;
}
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--surface-sunken); }
td.num, th.num { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
caption {
  caption-side: bottom;
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--step--2);
  color: var(--text-muted);
  text-align: left;
  border-top: var(--border);
}
.null { color: var(--text-muted); font-family: var(--font-mono); font-style: normal; }

/* ==========================================================================
   10  STATS + THE LAYER BAR
   ========================================================================== */

.stat { display: flex; flex-direction: column; gap: var(--sp-1); }
.stat__figure {
  font-family: var(--font-display);
  font-size: var(--step-4);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--text-strong);
}
.stat__figure--signal { color: var(--signal); }
.stat__label { font-size: var(--step--1); color: var(--text-secondary); }

/* The Layer Bar — the brand's signature figure. It is a proof, so it always
   ships with its citations attached. */
.layerbar {
  background: var(--surface-raised);
  border: var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
}
.layerbar__row + .layerbar__row { margin-top: var(--sp-6); }
.layerbar__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}
.layerbar__name { font-family: var(--font-display); font-size: var(--step-1); font-weight: 600; color: var(--text-strong); }
.layerbar__value {
  font-family: var(--font-mono);
  font-size: var(--step-2);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.layerbar__row--high .layerbar__value { color: var(--signal); }
.layerbar__row--low  .layerbar__value { color: var(--text-muted); }
.layerbar__track {
  height: 1.25rem;
  background: var(--surface-sunken);
  border: 1px solid var(--rule);
  border-radius: 2px;
  overflow: hidden;
}
.layerbar__fill { height: 100%; background: var(--signal); }
.layerbar__row--low .layerbar__fill { background: var(--rule-strong); }
.layerbar__q { font-size: var(--step--1); color: var(--text-secondary); margin-top: var(--sp-2); }
.layerbar__q code { font-size: 0.94em; }

/* ==========================================================================
   11  CALLOUTS
   ========================================================================== */

.note {
  border-left: 3px solid var(--rule-strong);
  background: var(--surface-sunken);
  padding: var(--sp-4) var(--sp-5);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: var(--step--1);
}
.note--signal   { border-left-color: var(--signal);   background: var(--signal-soft); }
.note--verified { border-left-color: var(--verified); background: var(--verified-soft); }
.note--caution  { border-left-color: var(--caution);  background: var(--caution-soft); }
.note__title {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--sp-2);
}

/* answer-first opening block — the citable unit */
.answer {
  font-size: var(--step-1);
  line-height: 1.55;
  color: var(--text-strong);
  border-left: 3px solid var(--signal);
  padding-left: var(--sp-5);
  max-width: var(--measure);
}

/* ==========================================================================
   12  PROSE
   ========================================================================== */

.prose { max-width: var(--measure); }
.prose > * + * { margin-top: var(--sp-4); }
.prose > h2 { margin-top: var(--sp-8); font-size: var(--step-2); }
.prose > h3 { margin-top: var(--sp-6); font-size: var(--step-1); }
.prose > h2:first-child, .prose > h3:first-child { margin-top: 0; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: var(--sp-2); }
.prose ul { list-style: none; padding-left: 0; }
.prose ul > li { position: relative; padding-left: 1.35em; }
.prose ul > li::before {
  content: "";
  position: absolute;
  left: 0.25em; top: 0.72em;
  width: 0.42em; height: 1px;
  background: var(--signal);
}
.prose ol { list-style: decimal; }
.prose ol::marker, .prose li::marker { color: var(--text-muted); font-family: var(--font-mono); }
.prose blockquote {
  border-left: 3px solid var(--rule-strong);
  padding-left: var(--sp-5);
  color: var(--text-secondary);
  font-style: italic;
}
.prose .table-wrap, .prose figure { max-width: none; }
.prose hr { border: 0; border-top: var(--border); margin-block: var(--sp-7); }

figure { margin: 0; }
figcaption { font-size: var(--step--2); color: var(--text-muted); margin-top: var(--sp-3); }

/* ==========================================================================
   13  PRICING
   ========================================================================== */

.tiers { display: grid; gap: var(--sp-5); grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); align-items: start; }

.tier {
  background: var(--surface-raised);
  border: var(--border);
  border-radius: var(--radius-lg);
  padding: var(--sp-6) var(--sp-5);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  height: 100%;
}
.tier--featured { border-color: var(--signal); border-width: 2px; box-shadow: var(--shadow-card); }
.tier__flag {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--signal);
}
.tier__name { font-size: var(--step-2); }
.tier__price {
  font-family: var(--font-display);
  font-size: var(--step-4);
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--text-strong);
}
.tier__price small { font-family: var(--font-body); font-size: var(--step--1); font-weight: 400; color: var(--text-muted); }
.tier__alt { font-family: var(--font-mono); font-size: var(--step--1); color: var(--text-muted); }
.tier__desc { font-size: var(--step--1); color: var(--text-secondary); }
.tier__list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: var(--sp-2); font-size: var(--step--1); }
.tier__list li { position: relative; padding-left: 1.5em; }
.tier__list li::before {
  content: "";
  position: absolute;
  left: 0.15em; top: 0.52em;
  width: 0.42em; height: 0.72em;
  border-right: 2px solid var(--verified);
  border-bottom: 2px solid var(--verified);
  transform: rotate(42deg);
}
.tier__list li[data-excluded]::before {
  content: "\2013";
  border: 0; transform: none;
  color: var(--text-muted);
  top: 0; width: auto; height: auto;
  font-family: var(--font-mono);
}
.tier__list li[data-excluded] { color: var(--text-muted); }
.tier__cta { margin-top: auto; }

/* ==========================================================================
   14  COMPARISON
   ========================================================================== */

.vs { display: grid; gap: var(--sp-5); grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr)); }
.vs__col { border: var(--border); border-radius: var(--radius-lg); padding: var(--sp-5); background: var(--surface-raised); }
.vs__col--ours { border-color: var(--signal); }
.vs__label {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--sp-2);
}
.vs__col--ours .vs__label { color: var(--signal); }

/* ==========================================================================
   15  ACCORDION / FAQ
   ========================================================================== */

.faq { border-top: var(--border); }
.faq__item { border-bottom: var(--border); }
.faq__q {
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 600;
  color: var(--text-strong);
  cursor: pointer;
  list-style: none;
  padding: var(--sp-4) 2.5rem var(--sp-4) 0;
  position: relative;
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q::after {
  content: "";
  position: absolute;
  right: 0.5rem; top: 50%;
  width: 0.6rem; height: 0.6rem;
  border-right: 2px solid var(--signal);
  border-bottom: 2px solid var(--signal);
  transform: translateY(-70%) rotate(45deg);
  transition: transform var(--dur) var(--ease);
}
details[open] > .faq__q::after { transform: translateY(-20%) rotate(-135deg); }
.faq__q:hover { color: var(--signal); }
.faq__a { padding: 0 2.5rem var(--sp-5) 0; color: var(--text-secondary); max-width: var(--measure); }
.faq__a > * + * { margin-top: var(--sp-3); }

/* ==========================================================================
   16  FORMS
   ========================================================================== */

.form { display: flex; flex-direction: column; gap: var(--sp-4); max-width: 34rem; }
.field { display: flex; flex-direction: column; gap: var(--sp-2); }
.field__label { font-size: var(--step--1); font-weight: 600; color: var(--text-strong); }
.field__hint { font-size: var(--step--2); color: var(--text-muted); }
.field__req { color: var(--signal); }

.input, .textarea, .select {
  width: 100%;
  padding: 0.7em 0.85em;
  background: var(--surface-raised);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  color: var(--text);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.input:focus, .textarea:focus, .select:focus {
  outline: none;
  border-color: var(--signal);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--signal) 22%, transparent);
}
.input::placeholder, .textarea::placeholder { color: var(--text-muted); }
.textarea { min-height: 8rem; resize: vertical; }
.input[aria-invalid="true"], .textarea[aria-invalid="true"] { border-color: var(--signal); }
.field__error { font-size: var(--step--2); color: var(--signal); font-weight: 600; }

/* honeypot — visually and programmatically removed from the tab order */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form__status { padding: var(--sp-4); border-radius: var(--radius); font-size: var(--step--1); }
.form__status--ok   { background: var(--verified-soft); color: var(--verified); border: 1px solid currentColor; }
.form__status--err  { background: var(--caution-soft);  color: var(--caution);  border: 1px solid currentColor; }

/* ==========================================================================
   17  FOOTER
   ========================================================================== */

.site-footer {
  background: var(--ink);
  color: color-mix(in srgb, var(--surface) 76%, transparent);
  padding-block: var(--sp-8) var(--sp-6);
  font-size: var(--step--1);
}
.site-footer h2, .site-footer h3 { color: var(--surface); }
.site-footer a { color: color-mix(in srgb, var(--surface) 82%, transparent); text-decoration: none; }
.site-footer a:hover { color: var(--surface); text-decoration: underline; }
.site-footer .logo__mark { color: var(--surface); }

.footer-grid {
  display: grid;
  gap: var(--sp-6);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr));
}
.footer-col h3 {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
  color: color-mix(in srgb, var(--surface) 58%, transparent);
}
.footer-col ul { list-style: none; padding: 0; display: flex; flex-direction: column; gap: var(--sp-2); }
.footer-bottom {
  margin-top: var(--sp-7);
  padding-top: var(--sp-5);
  border-top: 1px solid color-mix(in srgb, var(--surface) 16%, transparent);
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  justify-content: space-between;
  font-size: var(--step--2);
}

/* the standing link-policy disclosure — appears in the footer of every page */
.policy-strip {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  line-height: 1.6;
  color: color-mix(in srgb, var(--surface) 62%, transparent);
  border: 1px solid color-mix(in srgb, var(--surface) 18%, transparent);
  border-radius: var(--radius);
  padding: var(--sp-3) var(--sp-4);
  margin-top: var(--sp-6);
}

/* ==========================================================================
   18  UTILITIES
   ========================================================================== */

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

.measure    { max-width: var(--measure); }
.center     { margin-inline: auto; }
.text-center{ text-align: center; }
.muted      { color: var(--text-muted); }
.secondary  { color: var(--text-secondary); }
.signal     { color: var(--signal); }
.nowrap     { white-space: nowrap; }
.tabular    { font-variant-numeric: tabular-nums; }

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--sp-4); }
.mt-5 { margin-top: var(--sp-5); }
.mt-6 { margin-top: var(--sp-6); }
.mt-7 { margin-top: var(--sp-7); }
.mb-4 { margin-bottom: var(--sp-4); }
.mb-6 { margin-bottom: var(--sp-6); }

.breadcrumb { font-size: var(--step--2); color: var(--text-muted); margin-bottom: var(--sp-5); }
.breadcrumb ol { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.breadcrumb li + li::before { content: "/"; margin-right: var(--sp-2); color: var(--rule-strong); }
.breadcrumb a { color: var(--text-muted); }

.updated {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--text-muted);
}

/* ==========================================================================
   19  MOTION + PRINT
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-header, .site-footer, .nav-toggle, .btn { display: none !important; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .section { padding-block: 1rem; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 9pt; word-break: break-all; }
  .table-wrap { overflow: visible; border: 0; }
  .card, .tier, .layerbar { break-inside: avoid; }
}


/* ==========================================================================
   20  REBUILD COMPONENTS (D-016, 2026-09-13) - light-only, image-led
   ========================================================================== */

.hero { padding-block: var(--sp-8) var(--sp-9); position: relative; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(60rem 30rem at 85% -10%, color-mix(in srgb, var(--signal) 9%, transparent), transparent 60%),
    linear-gradient(180deg, var(--surface-sunken), var(--surface) 70%);
  z-index: -1;
}
.hero__grid { display: grid; gap: var(--sp-7); grid-template-columns: 1fr; align-items: center; }
@media (min-width: 62rem) { .hero__grid { grid-template-columns: 1.05fr 0.95fr; } }
.hero__media {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lift);
  border: var(--border);
  background: var(--surface-raised);
}
.hero__media img { width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; }
.hero .lede { font-size: var(--step-1); }
.hero__proof {
  display: flex; flex-wrap: wrap; gap: var(--sp-3) var(--sp-5);
  margin-top: var(--sp-6); padding: 0;
  font-size: var(--step--1); color: var(--text-secondary);
  list-style: none;
}
.hero__proof li { display: inline-flex; align-items: center; gap: 0.5em; }
.hero__proof li::before {
  content: ""; width: 0.45em; height: 0.75em;
  border-right: 2px solid var(--verified); border-bottom: 2px solid var(--verified);
  transform: rotate(42deg); margin-top: -0.2em;
}

.media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--border);
  box-shadow: var(--shadow-card);
  background: var(--surface-sunken);
}
.media img { width: 100%; height: auto; aspect-ratio: 3 / 2; object-fit: cover; }

.proof {
  display: grid; gap: var(--sp-5);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
  padding: var(--sp-6);
  background: var(--surface-raised);
  border: var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
}
.proof .stat__figure { font-size: var(--step-4); }
.proof .stat__label { font-size: var(--step--1); }
.proof .source { margin-top: var(--sp-2); }

.svc {
  display: flex; flex-direction: column; gap: var(--sp-3);
  padding: var(--sp-6) var(--sp-5);
  background: var(--surface-raised);
  border: var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.svc:hover { transform: translateY(-2px); box-shadow: var(--shadow-lift); border-color: var(--rule-strong); }
.svc__icon {
  width: 2.6rem; height: 2.6rem;
  display: grid; place-items: center;
  border-radius: var(--radius);
  background: var(--signal-soft);
  color: var(--signal);
}
.svc__title { font-size: var(--step-1); }
.svc__body { color: var(--text-secondary); font-size: var(--step--1); }
.svc__meta { font-family: var(--font-mono); font-size: var(--step--2); color: var(--text-muted); letter-spacing: 0.04em; }
.svc__foot { margin-top: auto; padding-top: var(--sp-2); }

.section--tint { background: var(--surface-tint); }

.feature { display: grid; gap: var(--sp-7); grid-template-columns: 1fr; align-items: center; }
@media (min-width: 56rem) {
  .feature { grid-template-columns: 1fr 1fr; }
  .feature--flip > :first-child { order: 2; }
}

.check { list-style: none; padding: 0; display: flex; flex-direction: column; gap: var(--sp-3); }
.check li { position: relative; padding-left: 1.7em; }
.check li::before {
  content: ""; position: absolute; left: 0.2em; top: 0.45em;
  width: 0.45em; height: 0.8em;
  border-right: 2px solid var(--verified); border-bottom: 2px solid var(--verified);
  transform: rotate(42deg);
}

.cta-band {
  background: var(--ink);
  color: var(--surface);
  border-radius: var(--radius-xl);
  padding: var(--sp-8) var(--sp-6);
  text-align: center;
  position: relative; overflow: hidden;
}
.cta-band::after {
  content: ""; position: absolute; right: -20%; bottom: -60%;
  width: 40rem; height: 40rem; border-radius: 50%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--signal) 55%, transparent), transparent);
  pointer-events: none;
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { color: var(--surface); }
.cta-band .lede { color: color-mix(in srgb, var(--surface) 78%, transparent); margin-inline: auto; }
.cta-band .btn--secondary { color: var(--surface); border-color: color-mix(in srgb, var(--surface) 42%, transparent); }
.cta-band .btn--secondary:hover { background: color-mix(in srgb, var(--surface) 14%, transparent); color: var(--surface); }

.logo__mark { font-family: var(--font-display); font-weight: 800; letter-spacing: 0.06em; }

/* hero heading: one size down from the display max so it holds to 3-4 lines at 1440 */
.hero h1 { font-size: clamp(2rem, 1.55rem + 2vw, 3.3rem); }