/* Bilomax site: reference CSS (prototype). Spec: ../../bilomax-site-spec.md
   Sections: 1 fonts · 2 tokens · 3 base · 4 layout · 5 header · 6 buttons/links · 7 home · 8 cards · 9 about · 10 contact · 11 legal · 12 footer · 13 utilities · 14 motion · 15 404 · 16 home additions (issue #2) */

/* 1. Fonts: self-hosted latin subset, woff2, swap */
@font-face { font-family: "DM Serif Display"; src: url("../fonts/dm-serif-display-400-latin.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "DM Sans"; src: url("../fonts/dm-sans-400-latin.woff2") format("woff2"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "DM Sans"; src: url("../fonts/dm-sans-500-latin.woff2") format("woff2"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "DM Sans"; src: url("../fonts/dm-sans-600-latin.woff2") format("woff2"); font-weight: 600; font-style: normal; font-display: swap; }

/* 2. Tokens */
:root {
  /* colour: brand */
  --bx-ink: #1D1E2C;
  --bx-chalk: #FAF8F4;
  --bx-indigo: #4A45B8;
  --bx-stone: #605F6E;
  --bx-mist: #E4E3F6;
  --bx-periwinkle: #A3A6EE;   /* on Ink only */
  --bx-sand: #EBE5DA;
  --bx-apricot: #EFB489;      /* illustration only, never text */
  --bx-white: #FFFFFF;
  /* colour: derived (UI states and hairlines) */
  --bx-indigo-hover: #3D399F;
  --bx-indigo-active: #332F88;
  --bx-hair: #D9D5CC;         /* dividers on Chalk/White */
  --bx-hair-sand: #CFC8BA;    /* dividers on Sand */
  --bx-border-strong: #B9B3A6;/* card hover */

  /* semantic */
  --color-bg: var(--bx-chalk);
  --color-text: var(--bx-ink);
  --color-text-muted: var(--bx-stone);
  --color-link: var(--bx-indigo);
  --color-link-hover: var(--bx-indigo-hover);
  --color-surface: var(--bx-white);
  --color-surface-warm: var(--bx-sand);
  --color-focus: var(--bx-indigo);

  /* type families */
  --font-serif: "DM Serif Display", Georgia, "Times New Roman", serif;
  --font-sans: "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* type scale: mobile first (< 768) — size / line-height */
  --fs-display: 44px;  --lh-display: 48px;   /* hero H1, serif */
  --fs-h1: 36px;       --lh-h1: 42px;        /* page titles, serif */
  --fs-h2: 28px;       --lh-h2: 34px;        /* section titles, serif */
  --fs-h3: 18px;       --lh-h3: 26px;        /* sans 500 */
  --fs-lead: 18px;     --lh-lead: 28px;
  --fs-body: 16px;     --lh-body: 26px;
  --fs-legal: 16px;    --lh-legal: 27px;
  --fs-small: 14px;    --lh-small: 20px;
  --fs-caption: 13px;  --lh-caption: 18px;
  --fs-overline: 12px; --lh-overline: 16px;  /* sans 600, +0.09em, uppercase */

  /* spacing (4px base) */
  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px; --space-5: 24px;
  --space-6: 32px; --space-7: 48px; --space-8: 64px; --space-9: 96px; --space-10: 128px;

  /* layout */
  --content-max: 1200px;
  --gutter: 16px;
  --margin: 20px;
  --header-h: 64px;
  --measure: 68ch;

  /* shape */
  --radius-sm: 4px; --radius-md: 8px; --radius-pill: 999px;
  --border-hair: 1px solid var(--bx-hair);
  --rule-accent: 2px solid var(--bx-indigo);

  /* interaction */
  --focus-ring: 2px solid var(--color-focus);
  --focus-offset: 3px;
  --target-min: 44px;
  --dur: 160ms;
  --ease: cubic-bezier(.2, 0, 0, 1);
}

@media (min-width: 768px) {
  :root {
    --fs-display: 64px;  --lh-display: 68px;
    --fs-h1: 48px;       --lh-h1: 54px;
    --fs-h2: 32px;       --lh-h2: 38px;
    --fs-h3: 20px;       --lh-h3: 28px;
    --fs-lead: 20px;     --lh-lead: 30px;
    --fs-legal: 17px;    --lh-legal: 29px;
    --gutter: 24px;
    --margin: 32px;
    --header-h: 72px;
  }
}
@media (min-width: 1200px) { :root { --margin: 40px; } }
@media (max-width: 359px)  { :root { --margin: 12px; } }   /* keeps lockups ≥ 290px on 320 phones */

/* 3. Base */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100vh; min-height: 100svh; display: flex; flex-direction: column; background: var(--color-bg); color: var(--color-text);
  font: 400 var(--fs-body)/var(--lh-body) var(--font-sans);
  font-synthesis: none; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
h1, h2, h3, p, ul, ol, figure, blockquote { margin: 0; }
h1, h2 { font-family: var(--font-serif); font-weight: 400; letter-spacing: -0.005em; text-wrap: balance; }
h1 { font-size: var(--fs-h1); line-height: var(--lh-h1); }
h2 { font-size: var(--fs-h2); line-height: var(--lh-h2); }
h3 { font: 500 var(--fs-h3)/var(--lh-h3) var(--font-sans); }
p { text-wrap: pretty; }
strong { font-weight: 600; }
main { flex: 1 0 auto; }
img, svg { display: block; max-width: 100%; height: auto; }
::selection { background: var(--bx-mist); color: var(--bx-ink); }

/* 4. Layout */
.container { width: 100%; max-width: calc(var(--content-max) + 2 * var(--margin)); margin-inline: auto; padding-inline: var(--margin); }
.section { padding-block: var(--space-8); }
@media (min-width: 768px) { .section { padding-block: var(--space-9); } }
.section-head { display: grid; gap: var(--space-3); margin-bottom: var(--space-6); max-width: 40rem; }
@media (min-width: 768px) { .section-head { margin-bottom: var(--space-7); } }
.section-head p { color: var(--color-text-muted); }
.overline { font: 600 var(--fs-overline)/var(--lh-overline) var(--font-sans); letter-spacing: .09em; text-transform: uppercase; color: var(--color-text-muted); }
.rule { width: 112px; border: 0; border-top: var(--rule-accent); margin: 0; }

/* 5. Header */
.skip-link {
  position: absolute; left: var(--space-4); top: -100px; z-index: 10;
  background: var(--bx-ink); color: var(--bx-chalk); font-weight: 600; text-decoration: none;
  padding: var(--space-3) var(--space-4); border-radius: var(--radius-sm); min-height: var(--target-min);
}
.skip-link:focus { top: var(--space-3); outline: 2px solid var(--bx-periwinkle); outline-offset: 2px; }
.site-header { position: relative; z-index: 5; background: var(--color-bg); border-bottom: var(--border-hair); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); min-height: var(--header-h); }
.brand-link { display: inline-flex; align-items: center; min-height: var(--target-min); border-radius: var(--radius-sm); }
.brand-link svg {
  --header-logo-h: 40px;
  --header-logo-w: calc(var(--header-logo-h) * 678.14 / 245.28);
  height: var(--header-logo-h);
  width: var(--header-logo-w);
  max-width: none;
  flex: none;
  margin-left: calc(var(--header-logo-w) * -0.0929); /* ink starts at x=63 of the 678 viewBox */
}
@media (min-width: 768px) { .brand-link svg { --header-logo-h: 52px; } }
.nav-list { display: flex; list-style: none; padding: 0; gap: var(--space-1); margin-right: -10px; }
.nav-list a {
  display: inline-flex; align-items: center; min-height: var(--target-min); padding-inline: 10px;
  font: 500 15px/20px var(--font-sans); color: var(--color-text); text-decoration: none;
  text-decoration-thickness: 2px; text-underline-offset: 8px; border-radius: var(--radius-sm);
}
@media (min-width: 768px) { .nav-list { gap: var(--space-3); } .nav-list a { font-size: 16px; padding-inline: 12px; } }
.nav-list a:hover { color: var(--color-link); text-decoration-line: underline; text-decoration-color: currentColor; }
.nav-list a[aria-current="page"] { text-decoration-line: underline; text-decoration-color: var(--bx-indigo); }
.nav-list a:active { color: var(--bx-indigo-active); }
@media (max-width: 359px) {  /* very narrow phones: nav drops below the logo */
  .site-header .container { flex-wrap: wrap; padding-block: var(--space-2); }
  .nav-list { margin-left: -10px; }
}

/* 6. Buttons and links */
a { color: var(--color-link); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--color-link-hover); text-decoration-thickness: 2px; }
a:active { color: var(--bx-indigo-active); }
:focus-visible { outline: var(--focus-ring); outline-offset: var(--focus-offset); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  min-height: 48px; padding: 0 var(--space-5); border-radius: var(--radius-md); border: 1px solid transparent;
  font: 600 16px/20px var(--font-sans); text-decoration: none; cursor: pointer;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.btn-primary { background: var(--bx-indigo); color: var(--bx-chalk); }
.btn-primary:hover { background: var(--bx-indigo-hover); color: var(--bx-chalk); }
.btn-primary:active { background: var(--bx-indigo-active); }
.btn-secondary { background: transparent; color: var(--bx-ink); border-color: var(--bx-ink); }
.btn-secondary:hover { background: var(--bx-sand); color: var(--bx-ink); }
.btn-secondary:active { background: var(--bx-hair-sand); }
.link-arrow { font-weight: 600; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; min-height: var(--target-min); }
.link-arrow:hover { text-decoration: underline; text-decoration-thickness: 2px; }
.link-arrow .arrow { transition: transform var(--dur) var(--ease); }
.link-arrow:hover .arrow { transform: translateX(3px); }

/* 7. Home: hero */
.hero { padding-block: var(--space-8); }
@media (min-width: 768px) { .hero { padding-block: var(--space-10) var(--space-9); } }
.hero-inner { display: grid; gap: var(--space-5); max-width: 760px; }
.hero h1 { font-size: var(--fs-display); line-height: var(--lh-display); }
.hero .rule { margin-block: var(--space-2); }
.mission { font-size: var(--fs-lead); line-height: var(--lh-lead); max-width: 36em; }
.hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3) var(--space-5); margin-top: var(--space-3); }

/* 8. Product cards: live and coming soon 2-up from 768, selected work 3-up from 1024 */
.products { border-top: var(--border-hair); }
.card-grid { display: grid; gap: var(--gutter); grid-template-columns: 1fr; list-style: none; padding: 0; }
.card-grid-live { margin-bottom: var(--space-7); }
@media (min-width: 768px) { .card-grid-live, .card-grid-soon { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .card-grid-work { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.card {
  position: relative; display: flex; flex-direction: column; background: var(--color-surface);
  border: var(--border-hair); border-radius: var(--radius-md); overflow: hidden;
  transition: border-color var(--dur) var(--ease);
}
.card:hover { border-color: var(--bx-border-strong); }
.card:has(.card-link:focus-visible) { outline: var(--focus-ring); outline-offset: var(--focus-offset); }
.card-link:focus-visible { outline: none; }
.card-well { background: var(--well-bg); padding-block: var(--space-4); display: flex; align-items: center; justify-content: center; min-height: 104px; }
@media (min-width: 1024px) { .card-well { min-height: 128px; } }
@media (min-width: 1200px) { .card-well { min-height: 160px; } }
.card-well img { width: 100%; max-width: 480px; height: auto; }
.card-body { display: flex; flex-direction: column; gap: var(--space-4); padding: var(--space-5); flex: 1; }
@media (min-width: 1200px) { .card-body { padding: var(--space-6); } }
.card-desc { font-size: var(--fs-lead); line-height: var(--lh-lead); max-width: 30em; }
.card-foot { margin-top: auto; }
.card-link::after { content: ""; position: absolute; inset: 0; }   /* whole card is the target */

/* 9. About Bilomax */
.about { border-top: var(--border-hair); }
.about-grid { display: grid; gap: var(--space-6); align-items: start; }
@media (min-width: 768px) { .about-grid { gap: var(--space-7); } }
@media (min-width: 1200px) { .about-grid { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: var(--gutter); } }
.about-grid p { font-size: var(--fs-lead); line-height: var(--lh-lead); max-width: 36em; }
.about-grid > .stack { max-width: 45rem; }

/* 10. Contact */
.page-head { padding-block: var(--space-8) var(--space-6); display: grid; gap: var(--space-4); }
@media (min-width: 768px) { .page-head { padding-block: var(--space-9) var(--space-7); } }
.page-head .lead { font-size: var(--fs-lead); line-height: var(--lh-lead); max-width: 36em; }
.contact-hero { padding-block: var(--space-8) var(--space-9); display: grid; gap: var(--space-5); justify-items: start; }
@media (min-width: 768px) { .contact-hero { padding-block: var(--space-10); } }
.contact-hero h1 { font-size: var(--fs-display); line-height: var(--lh-display); }
.contact-hero .lead { font-size: var(--fs-lead); line-height: var(--lh-lead); max-width: 30em; }
.contact-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-3) var(--space-5); margin-top: var(--space-3); }
.email-text { display: inline-flex; align-items: center; min-height: var(--target-min); font-weight: 500; overflow-wrap: anywhere; }

/* 11. Legal / long-form (Privacy, Terms) */
.legal-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-6); padding-bottom: var(--space-9); }
@media (min-width: 1200px) { .legal-layout { grid-template-columns: 248px minmax(0, var(--measure)); gap: var(--space-8); } }
.toc { background: var(--bx-sand); border-radius: var(--radius-md); padding: var(--space-3) var(--space-5); align-self: start; }
@media (min-width: 1200px) { .toc { position: sticky; top: var(--space-5); background: transparent; padding: 0; border-radius: 0; border-top: 2px solid var(--bx-ink); } }
.toc ol { list-style: none; padding: 0; counter-reset: toc; }
.toc li { counter-increment: toc; border-top: 1px solid var(--bx-hair-sand); }
@media (min-width: 1200px) { .toc li { border-top-color: var(--bx-hair); } }
.toc li:first-child { border-top: 0; }
.toc a { display: flex; gap: var(--space-3); min-height: var(--target-min); align-items: center; padding-block: 6px; color: var(--bx-ink); text-decoration: none; font: 500 15px/20px var(--font-sans); }
.toc a::before { content: counter(toc, decimal-leading-zero); font: 400 15px/20px var(--font-sans); color: var(--color-text-muted); min-width: 1.5em; text-align: right; }
.toc a:hover { color: var(--color-link); text-decoration: underline; }
.legal { max-width: var(--measure); font-size: var(--fs-legal); line-height: var(--lh-legal); }
.legal section { scroll-margin-top: var(--space-5); padding-top: var(--space-6); }
.legal > :first-child { padding-top: 0; }
.legal h2 { margin-bottom: var(--space-3); }
.legal p { margin-bottom: var(--space-4); }
.legal p[id] { scroll-margin-top: var(--space-5); }
.legal .intro { font-size: var(--fs-lead); line-height: var(--lh-lead); margin-bottom: var(--space-5); }
.legal ul { list-style: none; padding-left: 1.25em; margin-bottom: var(--space-4); }
.legal li { margin-bottom: var(--space-2); }
.legal li::before { content: "–"; display: inline-block; width: 1.25em; margin-left: -1.25em; color: var(--color-text-muted); }
.legal a { overflow-wrap: anywhere; }
.legal-terms p { margin-bottom: var(--space-5); }
.meta-line { color: var(--color-text-muted); font-size: var(--fs-small); line-height: var(--lh-small); }

/* 12. Footer */
.site-footer { background: var(--bx-sand); padding-block: var(--space-8) var(--space-6); }
.footer-top { display: grid; gap: var(--space-5); }
@media (min-width: 1024px) { .footer-top { grid-template-columns: auto 1fr; align-items: end; gap: var(--gutter); } }
.footer-brand { display: grid; gap: var(--space-3); align-content: start; }
.footer-brand svg {
  --footer-logo-h: 40px;
  --footer-logo-w: calc(var(--footer-logo-h) * 678.14 / 245.28);
  height: var(--footer-logo-h);
  width: var(--footer-logo-w);
  max-width: none;
  margin-left: calc(var(--footer-logo-w) * -0.0929); /* ink starts at x=63 of the 678 viewBox */
}
.footer-tagline { font: 400 22px/28px var(--font-serif); }
.footer-nav ul { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: 0 var(--space-5); margin-left: 0; }
@media (min-width: 1024px) { .footer-nav ul { justify-content: flex-end; margin: 0 0 -10px; } }
.footer-nav a { overflow-wrap: anywhere; display: inline-flex; align-items: center; min-height: var(--target-min); color: var(--bx-ink); text-decoration: none; font-size: 15px; font-weight: 500; }
.footer-nav a:hover { color: var(--color-link-hover); text-decoration: underline; }
.footer-bottom { margin-top: var(--space-6); padding-top: var(--space-5); border-top: 1px solid var(--bx-hair-sand); font-size: var(--fs-small); line-height: var(--lh-small); color: var(--bx-stone); }
.footer-marks { margin-top: var(--space-2); max-width: 72em; font-size: var(--fs-caption); line-height: var(--lh-caption); color: var(--color-text-muted); }

/* 13. Utilities */
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.nowrap { white-space: nowrap; }

/* 14. Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .link-arrow:hover .arrow { transform: none; }
}
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

/* 15. 404: calm, centred in the content column, fills the space between header and footer */
main:has(.notfound) { display: flex; flex-direction: column; }
.notfound { flex: 1; display: grid; place-content: center; justify-items: center; text-align: center; gap: var(--space-5); padding-block: var(--space-9); }
@media (min-width: 768px) { .notfound { padding-block: var(--space-10); } }
.notfound .lead { font-size: var(--fs-lead); line-height: var(--lh-lead); max-width: 30em; }
.notfound .btn { margin-top: var(--space-3); }

/* 16. v2.3 layout: header menu, product rows, consulting, principles, facts, closing band */
.header-bar { flex-wrap: nowrap; justify-content: flex-start; }
.nav-toggle {
  display: none; align-items: center; justify-content: center;
  box-sizing: border-box; width: 76px; min-height: 44px; padding: 0 12px;
  border: 1px solid var(--bx-ink); border-radius: var(--radius-md);
  background: transparent; color: var(--bx-ink);
  font: 600 15px/20px var(--font-sans); white-space: nowrap; cursor: pointer;
}
.header-cta { min-height: 44px; padding-inline: 16px; flex: none; white-space: nowrap; }
@media (min-width: 1024px) {
  #site-nav { margin-left: auto; }
  .header-cta { margin-left: var(--space-3); }
}
@media (max-width: 1023px) {
  .nav-toggle { display: inline-flex; }
  .brand-link { margin-right: auto; }
  .header-cta { font-size: 14px; line-height: 1.15; padding: 6px 12px; }
  html.nav-closed:not(.nav-open) #site-nav { display: none; }
  html.nav-open #site-nav {
    position: absolute; left: 0; right: 0; top: 100%; z-index: 4;
    background: var(--color-bg); border-bottom: var(--border-hair);
    padding: var(--space-2) var(--margin) var(--space-3);
  }
  html.nav-open .nav-list { flex-direction: column; align-items: flex-start; margin: 0; width: 100%; }
}
@media (max-width: 380px) { .brand-link svg { height: 32px; } }

.section-intro { color: var(--color-text); font-size: var(--fs-lead); line-height: var(--lh-lead); max-width: 40rem; }
.products .section-head { margin-bottom: var(--space-6); }
.row-label {
  font: 600 var(--fs-overline)/var(--lh-overline) var(--font-sans);
  letter-spacing: .09em; text-transform: uppercase; color: var(--color-text-muted);
  margin: 0 0 var(--space-4);
}
.products .card-grid-soon { margin-top: var(--space-2); }
.products .row-label + .card-grid { margin-top: 0; }
.status {
  display: inline-flex; align-self: flex-start; margin: 0; padding: 2px 8px;
  border: 1px solid var(--bx-hair); border-radius: var(--radius-pill);
  font: 600 11px/16px var(--font-sans); letter-spacing: .08em; text-transform: uppercase;
  color: var(--color-text-muted);
}
.card-soon .status { margin-top: auto; }
.soon-head { display: flex; align-items: center; gap: var(--space-2); }
.soon-head h3 { flex: 1; min-width: 0; font-size: 16px; line-height: 22px; }
@media (min-width: 1024px) and (max-width: 1199px) {
  .card-soon .card-body { padding-inline: 16px; }
}
.mark-tile { width: 48px; height: 48px; border-radius: 10px; display: grid; place-items: center; flex: none; }
.mark-tile svg { width: 30px; height: 30px; }
.card-soon .card-desc { font-size: var(--fs-body); line-height: var(--lh-body); }
.product-line { display: flex; flex-wrap: wrap; align-items: center; gap: 0 2px; font: 500 15px/20px var(--font-sans); }
.product-line .product-pair { display: inline-flex; flex: none; align-items: center; gap: 0 2px; }
.product-bit { display: inline-flex; align-items: center; white-space: nowrap; }
.product-line a, .product-line span { display: inline-flex; align-items: center; min-height: 44px; }
.product-line .sep { color: var(--color-text-muted); min-height: 0; padding-inline: 0 6px; }

.consulting, .principles, .selected { border-top: var(--border-hair); }
.stack { display: grid; gap: var(--space-6); align-content: start; }
.stack-tight { gap: var(--space-4); }
.stack-foot { margin-top: calc(var(--space-2) * -1); }
.split-consult { display: grid; gap: var(--space-6); }
@media (min-width: 1200px) {
  .split-consult { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: var(--gutter); align-items: start; }
}
.consult-intro { display: grid; gap: var(--space-3); }
.consult-intro p, .consult-foot p { font-size: var(--fs-lead); line-height: var(--lh-lead); max-width: 40em; }
.consult-foot { display: grid; gap: var(--space-3); margin-top: var(--space-6); }
.service-grid { display: grid; gap: var(--gutter); list-style: none; padding: 0; margin: 0; }
@media (min-width: 768px) { .service-grid { grid-template-columns: 1fr 1fr; } }
.service-card {
  background: var(--color-surface); border: var(--border-hair); border-radius: var(--radius-md);
  padding: var(--space-5); display: grid; gap: var(--space-3); align-content: start;
}
.service-card:hover { border-color: var(--bx-border-strong); }
@media (min-width: 1200px) { .service-card { padding: var(--space-6); } }
.line-icon { color: var(--bx-ink); }
.principle-grid { display: grid; gap: var(--space-6); list-style: none; padding: 0; margin-top: var(--space-6); }
@media (min-width: 768px) { .principle-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.principle-grid li { display: grid; gap: var(--space-2); align-content: start; }
.subhead { font-weight: 500; }
.facts { display: grid; gap: var(--space-4) var(--space-6); margin: var(--space-5) 0 0; }
@media (min-width: 768px) { .facts { grid-template-columns: 1fr 1fr; } }
.facts div { display: grid; gap: var(--space-1); }
.facts dt {
  font: 600 var(--fs-overline)/var(--lh-overline) var(--font-sans);
  letter-spacing: .09em; text-transform: uppercase; color: var(--color-text-muted);
}
.facts dd { margin: 0; }
.cta-band { background: var(--color-bg); border-top: var(--border-hair); border-bottom: 0; padding-block: var(--space-8); }
@media (min-width: 768px) { .cta-band { padding-block: var(--space-9); } }
.cta-inner { max-width: 640px; margin-inline: auto; text-align: center; display: grid; gap: var(--space-4); justify-items: center; }
.cta-inner p { font-size: var(--fs-lead); line-height: var(--lh-lead); }
.cta-inner .hero-actions { justify-content: center; }
.include { display: grid; gap: var(--space-2); }
.help-list { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-1); }
.help-list li { position: relative; padding-left: 1.1em; }
.help-list li::before { content: "–"; position: absolute; left: 0; color: var(--color-text-muted); }
.help-line { max-width: 36em; }

/* 17. v2.5 consulting panel */
.consulting .section-head { margin-bottom: var(--space-6); }
.offer-panel { display: grid; align-items: start; }
.offer-pitch { display: grid; align-content: start; gap: var(--space-3); }
.offer-lead { margin: 0; font-size: 18px; line-height: 28px; max-width: 36em; }
.offer-line { margin: 0; font-size: var(--fs-body); line-height: var(--lh-body); max-width: 40em; }
.offer-cta { margin: 0; }
.offer-cta .link-arrow { justify-content: flex-start; }
.offer-detail {
  background: var(--bx-sand); border: var(--border-hair); border-radius: var(--radius-md);
  padding-inline: 24px; margin-top: var(--space-4);
}
.offer-part { padding-block: 24px; }
.offer-part + .offer-part { border-top: 1px solid var(--bx-hair-sand); }
.offer-kicker {
  margin: 0 0 var(--space-2); max-width: none;
  font: 600 13px/18px var(--font-sans); letter-spacing: .09em; text-transform: uppercase;
  color: var(--color-text-muted);
}
.offer-part p:not(.offer-kicker) { margin: 0; font-size: 16px; line-height: 26px; max-width: 45ch; }
.offer-build {
  list-style: none; padding: 0; margin: 0; display: grid; gap: 12px;
  font-size: 16px; line-height: 26px; max-width: 45ch;
}
.offer-build li { display: grid; grid-template-columns: 12px minmax(0, 1fr); column-gap: 8px; align-items: start; }
.offer-build li::before {
  content: ""; height: 1px; margin-top: 12px; background: var(--bx-ink);
}
.offer-input {
  margin: 0; padding-block: 24px; border-top: 1px solid var(--bx-hair-sand);
  font-size: 13px; line-height: 18px; color: var(--color-text-muted); max-width: calc(45ch * 16 / 13);
}
.consulting .service-grid { margin-top: var(--space-6); }
@media (min-width: 768px) { .consulting .service-grid { margin-top: var(--space-7); } }
@media (min-width: 1024px) {
  .offer-panel { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--gutter); }
  .offer-lead { font-size: 20px; line-height: 30px; }
  .offer-detail { margin-top: 0; }
}
@media (min-width: 1440px) {
  .offer-build { gap: 0; }
  .offer-build li + li { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--bx-hair-sand); }
}