/* Fairstone Operations Group — site styles */
:root {
  --paper: #F7F5F0;
  --paper-2: #EFEBE3;
  --white: #FFFFFF;
  --ink: #1B2420;
  --ink-2: #3E4843;
  --muted: #6B736E;
  --rule: #D9D3C7;
  --stone: #23413A;      /* primary: deep stone green */
  --stone-2: #2F5A50;
  --brass: #9C7A45;      /* accent: muted brass */
  --serif: "Newsreader", "Georgia", "Times New Roman", serif;
  --sans: "Inter", "Helvetica Neue", Arial, sans-serif;
  --max: 1160px;
  --gutter: 24px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
p { margin: 0 0 1em; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.narrow { max-width: 760px; }

/* Type */
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 400; color: var(--ink); margin: 0 0 .5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2.4rem, 5.2vw, 4.1rem); line-height: 1.06; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); line-height: 1.15; }
h3 { font-size: 1.45rem; line-height: 1.25; }
h4 { font-family: var(--sans); font-size: .95rem; font-weight: 600; letter-spacing: 0; }
.eyebrow {
  font-family: var(--sans); font-size: .76rem; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase; color: var(--brass);
  margin: 0 0 1.2rem; display: flex; align-items: center; gap: .75rem;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: var(--brass); }
.lede { font-size: clamp(1.1rem, 1.6vw, 1.28rem); color: var(--ink-2); line-height: 1.6; max-width: 640px; }
.muted { color: var(--muted); }
.small { font-size: .9rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247,245,240,.94);
  backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--rule);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { width: 30px; height: 30px; flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name { font-family: var(--serif); font-size: 1.32rem; letter-spacing: .14em; text-transform: uppercase; }
.brand-sub { font-size: .6rem; letter-spacing: .32em; text-transform: uppercase; color: var(--muted); margin-top: 5px; }
.nav { display: flex; align-items: center; gap: 34px; }
.nav a { text-decoration: none; font-size: .93rem; color: var(--ink-2); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"] { box-shadow: inset 0 -1px 0 var(--brass); }
.nav .btn { color: var(--white); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; color: var(--ink); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: .6rem;
  background: var(--stone); color: var(--white);
  font-family: var(--sans); font-size: .94rem; font-weight: 500;
  padding: 14px 24px; border-radius: 2px; text-decoration: none;
  border: 1px solid var(--stone); transition: background .2s, border-color .2s;
}
.btn:hover { background: var(--stone-2); border-color: var(--stone-2); }
.btn-sm { padding: 10px 18px; font-size: .88rem; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--white); border-color: var(--ink); }
.btn-light { background: var(--paper); color: var(--stone); border-color: var(--paper); }
.btn-light:hover { background: var(--white); border-color: var(--white); }
.arrow::after { content: "→"; font-family: var(--sans); }
.text-link { color: var(--stone); font-weight: 500; text-decoration: none; border-bottom: 1px solid var(--brass); padding-bottom: 2px; }
.text-link:hover { color: var(--ink); }

/* Sections */
section { padding: 104px 0; }
.section-tight { padding: 72px 0; }
.bg-white { background: var(--white); }
.bg-sand { background: var(--paper-2); }
.bg-stone { background: var(--stone); color: #E8ECE9; }
.bg-stone h1, .bg-stone h2, .bg-stone h3 { color: var(--white); }
.bg-stone .eyebrow { color: #C9AE7E; }
.bg-stone .eyebrow::before { background: #C9AE7E; }
.border-top { border-top: 1px solid var(--rule); }
.section-head { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: end; margin-bottom: 64px; }
.section-head p { margin: 0; color: var(--ink-2); }

/* Hero */
.hero { padding: 120px 0 96px; }
.hero h1 { max-width: 900px; }
.hero .lede { margin: 28px 0 40px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.hero-note { margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--rule); display: flex; flex-wrap: wrap; gap: 12px 40px; font-size: .88rem; color: var(--muted); }
.hero-note span::before { content: "—"; color: var(--brass); margin-right: 10px; }
.page-hero { padding: 104px 0 72px; border-bottom: 1px solid var(--rule); }
.page-hero h1 { font-size: clamp(2.2rem, 4.6vw, 3.6rem); max-width: 860px; }
.page-hero .lede { margin-top: 24px; }
.crumbs { font-size: .82rem; color: var(--muted); margin-bottom: 28px; }
.crumbs a { text-decoration: none; color: var(--muted); }
.crumbs a:hover { color: var(--ink); }

/* Grids */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 48px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.split { display: grid; grid-template-columns: 5fr 7fr; gap: 80px; align-items: start; }

/* Proof stats */
.stat { padding: 8px 40px 8px 0; border-right: 1px solid var(--rule); margin-right: 40px; }
.stat:last-child { border-right: 0; margin-right: 0; }
.stat-num { font-family: var(--serif); font-size: clamp(2.8rem, 5vw, 4rem); line-height: 1; color: var(--stone); letter-spacing: -0.02em; }
.stat-label { margin-top: 18px; font-weight: 600; font-size: 1rem; }
.stat p { color: var(--ink-2); font-size: .95rem; margin-top: 8px; }

/* Leak list */
.leaks { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.leaks li { display: grid; grid-template-columns: 56px 1fr; gap: 20px; padding: 26px 0; border-bottom: 1px solid var(--rule); }
.leaks .n { font-family: var(--serif); font-size: 1.1rem; color: var(--brass); }
.leaks h4 { margin: 0 0 6px; font-size: 1.02rem; }
.leaks p { margin: 0; color: var(--ink-2); font-size: .97rem; }

/* Steps */
.steps { counter-reset: step; }
.step { padding: 36px 32px 36px 0; border-top: 2px solid var(--ink); margin-right: 28px; }
.step:last-child { margin-right: 0; }
.step-k { font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--brass); font-weight: 600; }
.step h3 { margin: 14px 0 12px; }
.step p { font-size: .95rem; color: var(--ink-2); margin: 0; }
.bg-stone .step { border-top-color: #C9AE7E; }
.bg-stone .step p { color: #C9D2CD; }

/* Cards */
.card { background: var(--white); border: 1px solid var(--rule); padding: 40px; display: flex; flex-direction: column; text-decoration: none; transition: border-color .2s, transform .2s; }
a.card:hover { border-color: var(--stone); }
.card h3 { margin-bottom: 14px; }
.card p { color: var(--ink-2); font-size: .97rem; }
.card .text-link { margin-top: auto; align-self: flex-start; }
.card-k { font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--brass); font-weight: 600; margin-bottom: 20px; }
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* Engagement detail */
.engagement { display: grid; grid-template-columns: 260px 1fr; gap: 64px; padding: 64px 0; border-top: 1px solid var(--rule); }
.engagement:first-of-type { border-top: 2px solid var(--ink); }
.engagement .meta { font-size: .9rem; color: var(--muted); }
.engagement .meta dt { font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--brass); font-weight: 600; margin-top: 22px; }
.engagement .meta dd { margin: 4px 0 0; color: var(--ink); }
.engagement h3 { font-size: 1.9rem; margin-bottom: 18px; }
.checks { list-style: none; padding: 0; margin: 24px 0 0; display: grid; grid-template-columns: 1fr 1fr; gap: 12px 32px; }
.checks li { position: relative; padding-left: 26px; font-size: .96rem; color: var(--ink-2); }
.checks li::before { content: ""; position: absolute; left: 0; top: .62em; width: 12px; height: 1px; background: var(--brass); }
.checks.single { grid-template-columns: 1fr; }

/* Callout / standard */
.standard { border-left: 2px solid var(--brass); padding: 8px 0 8px 32px; }
.standard .big { font-family: var(--serif); font-size: clamp(1.6rem, 3vw, 2.3rem); line-height: 1.25; color: var(--ink); }
.bg-stone .standard .big { color: var(--white); }

/* Principles */
.principle { padding: 32px 0; border-top: 1px solid var(--rule); display: grid; grid-template-columns: 1fr 2fr; gap: 40px; }
.principle h3 { font-size: 1.3rem; margin: 0; }
.principle p { margin: 0; color: var(--ink-2); }

/* Bio */
.bio-card { background: var(--white); border: 1px solid var(--rule); padding: 40px; }
.monogram { width: 96px; height: 96px; border-radius: 50%; background: var(--stone); color: var(--paper); display: grid; place-items: center; font-family: var(--serif); font-size: 2rem; letter-spacing: .06em; margin-bottom: 24px; }
.bio-card h3 { margin-bottom: 4px; }
.role { font-size: .82rem; letter-spacing: .14em; text-transform: uppercase; color: var(--brass); font-weight: 600; margin-bottom: 20px; }

/* CTA band */
.cta-band { padding: 96px 0; }
.cta-band .wrap { display: grid; grid-template-columns: 1.4fr 1fr; gap: 64px; align-items: end; }
.cta-band h2 { margin: 0; }
.cta-band p { color: #C9D2CD; }
.cta-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }

/* Contact */
.contact-list { list-style: none; padding: 0; margin: 0; border-top: 1px solid var(--rule); }
.contact-list li { display: grid; grid-template-columns: 140px 1fr; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--rule); }
.contact-list .k { font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--brass); font-weight: 600; padding-top: 3px; }
.contact-list a { text-decoration: none; border-bottom: 1px solid var(--rule); }
.contact-list a:hover { border-color: var(--ink); }
.faq details { border-top: 1px solid var(--rule); padding: 22px 0; }
.faq details:last-child { border-bottom: 1px solid var(--rule); }
.faq summary { cursor: pointer; font-family: var(--serif); font-size: 1.2rem; list-style: none; display: flex; justify-content: space-between; gap: 20px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--sans); color: var(--brass); font-size: 1.3rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 14px 0 0; color: var(--ink-2); max-width: 680px; }

/* Footer */
.site-footer { background: var(--ink); color: #A9B1AC; padding: 80px 0 40px; font-size: .9rem; }
.site-footer a { text-decoration: none; color: #D6DBD8; }
.site-footer a:hover { color: var(--white); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 48px; }
.footer-grid h4 { color: var(--white); font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; margin-bottom: 18px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 10px; }
.site-footer .brand-name { color: var(--white); }
.site-footer .brand-sub { color: #8E9792; }
.footer-tag { margin-top: 22px; max-width: 320px; }
.footer-base { margin-top: 64px; padding-top: 24px; border-top: 1px solid #333D38; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: .82rem; color: #7E8782; }

/* v2: stats source, index ladder, packages, lead card */
.source { margin: 32px 0 0; font-size: .78rem; color: var(--muted); }
.stats-band .stat-num { font-size: clamp(2.6rem, 4.4vw, 3.6rem); }
.ladder { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border: 1px solid var(--rule); background: var(--white); }
.lvl { padding: 32px 28px 36px; border-right: 1px solid var(--rule); position: relative; }
.lvl:last-child { border-right: 0; }
.lvl::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; background: var(--stone); }
.lvl-1::before { opacity: .25; } .lvl-2::before { opacity: .5; } .lvl-3::before { opacity: .75; }
.lvl-k { font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--brass); font-weight: 600; }
.lvl h3 { margin: 12px 0 10px; font-size: 1.55rem; }
.lvl p { margin: 0; font-size: .94rem; color: var(--ink-2); }
.pkg-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
.pkg { border: 1px solid var(--rule); background: var(--white); padding: 24px; }
.pkg h4 { margin: 0 0 8px; font-size: 1rem; }
.pkg p { margin: 0; font-size: .93rem; color: var(--ink-2); }
.card-lead { border-color: var(--stone); border-top: 4px solid var(--stone); }
[id] { scroll-margin-top: 96px; }

/* v3: accessibility */
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: var(--white); padding: 10px 16px; z-index: 100; }
.skip:focus { left: 16px; }
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible + span { outline: 2px solid var(--brass); outline-offset: 3px; }

/* v3: inline CTA */
.inline-cta { margin-top: 40px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 28px; background: var(--paper-2); border: 1px solid var(--rule); }
.inline-cta p { margin: 0; color: var(--ink-2); max-width: 640px; }

/* v3: sample readout */
.sample { border: 1px solid var(--rule); background: var(--paper); }
.sample-head { padding: 24px 32px; border-bottom: 1px solid var(--rule); background: var(--white); }
.sample-head h3 { margin: 8px 0 0; font-size: 1.4rem; }
.sample-tag { display: inline-block; font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; font-weight: 600; color: var(--brass); border: 1px solid var(--brass); padding: 3px 8px; }
.sample-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 40px; padding: 32px; }
.sample-grid h4 { margin: 0 0 14px; }
.mini { width: 100%; border-collapse: collapse; font-size: .9rem; background: var(--white); }
.mini th { text-align: left; font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); font-weight: 600; padding: 10px 12px; border-bottom: 1px solid var(--ink); }
.mini td { padding: 10px 12px; border-bottom: 1px solid var(--rule); color: var(--ink-2); vertical-align: top; }
.mini td:last-child { white-space: nowrap; }
.pill { display: inline-block; font-size: .78rem; padding: 2px 9px; border-radius: 99px; white-space: nowrap; }
.pill.p1 { background: #E9E4D8; color: var(--ink-2); }
.pill.p2 { background: #D7E1DC; color: var(--stone); }
.sample-note { margin: 14px 0 0; font-size: .86rem; color: var(--muted); }

/* v3: founder */
.portrait { width: 140px; height: 140px; border-radius: 50%; object-fit: cover; margin-bottom: 24px; filter: grayscale(.15); }
.founder-note { margin: 0; padding: 0 0 0 32px; border-left: 2px solid var(--brass); }
.founder-note p { font-family: var(--serif); font-size: clamp(1.25rem, 2.2vw, 1.55rem); line-height: 1.45; color: var(--ink); }
.founder-note footer { font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; color: var(--brass); font-weight: 600; margin-top: 8px; }

/* v3: self-check */
.sc .q { border: 0; border-top: 1px solid var(--rule); margin: 0; padding: 28px 0; }
.sc legend { font-family: var(--serif); font-size: 1.3rem; line-height: 1.3; padding: 0; margin-bottom: 16px; display: flex; gap: 14px; }
.qn { font-family: var(--sans); font-size: .8rem; color: var(--brass); font-weight: 600; padding-top: 6px; }
.opts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.opt { position: relative; cursor: pointer; }
.opt input { position: absolute; opacity: 0; }
.opt span { display: block; padding: 14px 16px; border: 1px solid var(--rule); background: var(--paper); font-size: .95rem; color: var(--ink-2); transition: border-color .15s, background .15s; }
.opt:hover span { border-color: var(--muted); }
.opt input:checked + span { border-color: var(--stone); background: #E3EAE6; color: var(--ink); box-shadow: inset 3px 0 0 var(--stone); }
.sc-foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; border-top: 1px solid var(--rule); padding-top: 28px; }
.sc-result { padding: 8px 0; }
.sc-level h2 { margin: 6px 0 16px; font-size: clamp(2.2rem, 4vw, 3rem); }
.sc-bar { height: 6px; background: var(--paper-2); margin-bottom: 24px; }
.sc-bar span { display: block; height: 100%; background: var(--stone); }
.sc-steps { padding-left: 20px; color: var(--ink-2); }
.sc-steps li { margin-bottom: 8px; }
.sc-cta { margin-top: 32px; padding: 28px; background: var(--paper-2); border: 1px solid var(--rule); }
.sc-cta .btn { margin-right: 8px; margin-top: 4px; }

/* v5: accuracy, industries groups, booking */
.acc-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.acc-col { border: 1px solid var(--rule); background: var(--paper); padding: 32px; }
.acc-col h3 { margin: 4px 0 10px; }
.acc-col p { margin: 0; color: var(--ink-2); font-size: .97rem; }
.acc-label { margin: 48px 0 16px; font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--brass); font-weight: 600; }
.acc-flow { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 2px solid var(--ink); }
.acc-step { padding: 22px 20px 4px 0; position: relative; }
.acc-step:not(:last-child)::after { content: "→"; position: absolute; right: 8px; top: 20px; color: var(--brass); }
.acc-n { font-family: var(--serif); color: var(--brass); font-size: 1.05rem; }
.acc-step h4 { margin: 8px 0 6px; }
.acc-step p { margin: 0; font-size: .9rem; color: var(--ink-2); padding-right: 14px; }
.acc-strip { display: grid; grid-template-columns: 1fr 1.6fr; gap: 48px; align-items: start; border: 1px solid var(--rule); background: var(--paper); padding: 36px; }
.acc-strip h3 { margin: 0; }
.acc-strip p { margin: 0; color: var(--ink-2); }
.ind-groups { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin: 8px 0 24px; }
.ind-groups h4 { margin: 0 0 6px; }
.ind-groups p { margin: 0; color: var(--ink-2); font-size: .95rem; }
.booking-frame { border: 1px solid var(--rule); background: var(--white); }
.booking-frame iframe { display: block; width: 100%; height: 760px; border: 0; }

/* Responsive */
@media (max-width: 960px) {
  section { padding: 80px 0; }
  .section-head, .split, .grid-2, .cta-band .wrap { grid-template-columns: 1fr; gap: 32px; }
  .grid-3, .grid-4, .cards-3 { grid-template-columns: 1fr; gap: 0; }
  .cards-3 { gap: 20px; }
  .stat { border-right: 0; margin-right: 0; padding: 28px 0; border-bottom: 1px solid var(--rule); }
  .stat:last-child { border-bottom: 0; }
  .step { margin-right: 0; padding-right: 0; }
  .engagement { grid-template-columns: 1fr; gap: 24px; padding: 48px 0; }
  .principle { grid-template-columns: 1fr; gap: 10px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .ladder { grid-template-columns: 1fr 1fr; }
  .lvl:nth-child(2) { border-right: 0; }
  .lvl:nth-child(-n+2) { border-bottom: 1px solid var(--rule); }
}
@media (max-width: 600px) {
  .ladder { grid-template-columns: 1fr; }
  .lvl { border-right: 0; border-bottom: 1px solid var(--rule); }
  .lvl:last-child { border-bottom: 0; }
  .pkg-grid { grid-template-columns: 1fr; }
  .opts { grid-template-columns: 1fr; }
  .inline-cta { flex-direction: column; align-items: flex-start; }
  .sample-grid { padding: 20px; }
  .sample-head { padding: 20px; }
  .mini { font-size: .84rem; }
  .mini th, .mini td { padding: 8px 6px; }
  .sc-foot { flex-direction: column-reverse; align-items: stretch; }
  .sc-foot .btn { justify-content: center; }
  .founder-note { padding-left: 20px; }
}
@media (max-width: 960px) {
  .sample-grid { grid-template-columns: 1fr; }
  .acc-flow { grid-template-columns: 1fr; }
  .acc-step { padding: 18px 0; border-bottom: 1px solid var(--rule); }
  .acc-step:not(:last-child)::after { content: "↓"; right: 0; top: 18px; }
  .acc-strip { grid-template-columns: 1fr; gap: 16px; padding: 28px; }
}
@media (max-width: 600px) {
  .acc-cols, .ind-groups { grid-template-columns: 1fr; }
  .acc-col { padding: 24px; }
  .booking-frame iframe { height: 900px; }
}
@media (max-width: 820px) {
  .nav-toggle { display: block; }
  .nav { position: absolute; top: 76px; left: 0; right: 0; background: var(--paper); border-bottom: 1px solid var(--rule); flex-direction: column; align-items: stretch; gap: 0; padding: 8px var(--gutter) 24px; display: none; }
  .nav.open { display: flex; }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--rule); font-size: 1rem; }
  .nav a[aria-current="page"] { box-shadow: none; color: var(--stone); }
  .nav .btn { margin-top: 18px; justify-content: center; border-bottom: 0; }
}
@media (max-width: 600px) {
  :root { --gutter: 20px; }
  body { font-size: 16px; }
  section { padding: 64px 0; }
  .hero { padding: 72px 0 64px; }
  .page-hero { padding: 64px 0 48px; }
  .checks { grid-template-columns: 1fr; }
  .card, .bio-card { padding: 28px; }
  .leaks li { grid-template-columns: 40px 1fr; gap: 12px; }
  .contact-list li { grid-template-columns: 1fr; gap: 4px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .brand-name { font-size: 1.12rem; }
}

/* v6: track record case */
.case { display: grid; grid-template-columns: 1.5fr 1fr; gap: 0; border: 1px solid var(--rule); background: var(--white); }
.case-stats { display: grid; grid-template-columns: 1fr 1fr; border-right: 1px solid var(--rule); }
.cstat { padding: 32px; border-bottom: 1px solid var(--rule); }
.cstat:nth-child(odd) { border-right: 1px solid var(--rule); }
.cstat:nth-last-child(-n+2) { border-bottom: 0; }
.cstat .stat-num { font-size: clamp(2.4rem, 4vw, 3.2rem); }
.cstat p { margin: 12px 0 0; color: var(--ink-2); font-size: .95rem; }
.case-built { padding: 32px; background: var(--paper); }
.case-built h4 { margin: 0 0 8px; }
@media (max-width: 960px) {
  .case { grid-template-columns: 1fr; }
  .case-stats { border-right: 0; border-bottom: 1px solid var(--rule); }
}
@media (max-width: 600px) {
  .case-stats { grid-template-columns: 1fr; }
  .cstat:nth-child(odd) { border-right: 0; }
  .cstat:nth-last-child(-n+2) { border-bottom: 1px solid var(--rule); }
  .cstat:last-child { border-bottom: 0; }
  .cstat, .case-built { padding: 24px; }
}

/* v7: header CTA on phones, audit facts, columns, track record, self-check hints */
.header-cta { display: none; }
.facts { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; border-top: 2px solid var(--ink); }
.facts > div { padding: 22px 24px 4px 0; }
.facts dt { font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; color: var(--brass); font-weight: 600; }
.facts dd { margin: 8px 0 0; color: var(--ink); font-size: .98rem; line-height: 1.5; }
.audit-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; }
.audit-cols .eyebrow { margin-bottom: 14px; }
.audit-cols .checks { margin-top: 0; }
.tr-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--rule); background: var(--white); }
.tr-cell { padding: 32px; border-right: 1px solid var(--rule); }
.tr-cell:last-child { border-right: 0; }
.tr-cell .stat-num { font-size: clamp(2.4rem, 4vw, 3.2rem); }
.tr-cell p { margin: 12px 0 0; color: var(--ink-2); font-size: .95rem; }
.tr-built { margin: 28px 0 0; color: var(--ink-2); max-width: 820px; }
.sc .q.missing { box-shadow: inset 3px 0 0 var(--brass); padding-left: 16px; }
.q-miss { margin: 12px 0 0; color: var(--brass); font-size: .9rem; font-weight: 600; }
@media (max-width: 960px) {
  .facts { grid-template-columns: 1fr 1fr; }
  .audit-cols { grid-template-columns: 1fr; gap: 32px; }
  .tr-grid { grid-template-columns: 1fr; }
  .tr-cell { border-right: 0; border-bottom: 1px solid var(--rule); }
  .tr-cell:last-child { border-bottom: 0; }
}
@media (max-width: 820px) {
  .header-cta { display: inline-flex; margin-left: auto; margin-right: 6px; padding: 8px 14px; font-size: .84rem; }
  .nav .btn { display: none; }
}
@media (max-width: 600px) {
  .facts { grid-template-columns: 1fr; }
  .facts > div { padding: 16px 0 4px; }
  .engagement { padding: 32px 0; }
  .tr-cell { padding: 24px; }
}