/* InsulationMatch — design system
   Palette and motion rules per the 2026/27 blueprint. */
:root{
  --ink:#0C0E12; --graphite:#111317; --panel:#171A20;
  --white:#FFFFFF; --mist:#F2F4F7; --steel:#BFC5CE; --steel-2:#8B93A1;
  --blue:#4D74FF; --blue-2:#3A5FE6; --blue-soft:rgba(77,116,255,.14);
  --text-dark:#0C0E12; --text-light:#F2F4F7; --muted-dark:#5B6472; --muted-light:#AEB5C2;
  --line-dark:rgba(255,255,255,.10); --line-light:rgba(12,14,18,.10);
  --r-lg:28px; --r-md:20px; --r-sm:12px; --pill:999px;
  --max:1240px; --gutter:clamp(20px,4vw,48px);
  --ease:cubic-bezier(.2,.7,.2,1); --t-fast:180ms; --t-mid:320ms; --t-slow:450ms;
  --font:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
@font-face{font-family:"Inter";font-style:normal;font-weight:100 900;font-display:swap;src:url("../fonts/InterVariable.woff2") format("woff2")}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;font-family:var(--font);font-feature-settings:"cv11","ss01","ss03";color:var(--text-dark);background:var(--white);line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:absolute;left:-999px;top:12px;background:var(--blue);color:#fff;padding:10px 16px;border-radius:var(--pill);z-index:2000}
.skip:focus{left:12px}
.wrap{width:min(100% - 2*var(--gutter),var(--max));margin-inline:auto}
.wrap--narrow{width:min(100% - 2*var(--gutter),860px);margin-inline:auto}

/* Type scale — 1.25 major third, tight display tracking */
h1,h2,h3,h4{margin:0;font-weight:640;letter-spacing:-.03em;line-height:1.05;text-wrap:balance}
h1{font-size:clamp(40px,6.4vw,84px);letter-spacing:-.045em;line-height:.98}
h2{font-size:clamp(30px,4vw,52px);letter-spacing:-.04em}
h3{font-size:clamp(20px,2.2vw,26px);letter-spacing:-.025em;line-height:1.2}
h4{font-size:18px;letter-spacing:-.015em}
p{margin:0 0 1em}
.lede{font-size:clamp(18px,1.6vw,21px);line-height:1.55;max-width:38em}
h2+.lede,h2+p{margin-top:16px}
.measure{max-width:64ch}
.muted{color:var(--muted-dark)}
.dark .muted{color:var(--muted-light)}
small,.small{font-size:14px}

/* Surfaces */
.dark{background:var(--ink);color:var(--text-light)}
.graphite{background:var(--graphite);color:var(--text-light)}
.mist{background:var(--mist);color:var(--text-dark)}
section{padding:clamp(72px,9vw,128px) 0}
section.tight{padding:clamp(40px,5vw,64px) 0}
.section-head{max-width:720px;margin-bottom:clamp(32px,4vw,56px)}
.section-head p{margin-top:16px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 24px;border-radius:var(--pill);border:1px solid transparent;font-weight:600;font-size:15px;letter-spacing:-.005em;transition:transform var(--t-fast) var(--ease),background var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease);white-space:nowrap}
.btn:active{transform:scale(.985)}
.btn--primary{background:var(--blue);color:#fff}
.btn--primary:hover{background:var(--blue-2)}
.btn--ghost{background:transparent;border-color:var(--line-dark);color:var(--text-light)}
.btn--ghost:hover{border-color:rgba(255,255,255,.3)}
.mist .btn--ghost,.light .btn--ghost{border-color:var(--line-light);color:var(--text-dark)}
.mist .btn--ghost:hover{border-color:rgba(12,14,18,.35)}
.btn--white{background:#fff;color:var(--ink)}
.btn--white:hover{background:var(--mist)}
.btn--lg{min-height:58px;padding:0 28px;font-size:16px}
.btn--sm{min-height:42px;padding:0 18px;font-size:14px}
.link{font-weight:600;color:var(--blue);border-bottom:1px solid transparent;transition:border-color var(--t-fast)}
.link:hover{border-bottom-color:currentColor}
.dark .link{color:#9DB2FF}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(12,14,18,.72);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line-dark);color:var(--text-light)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.02em}
.brand-mark{width:34px;height:34px;flex:0 0 auto;display:block;filter:drop-shadow(0 6px 14px rgba(77,116,255,.35));transition:transform var(--t-mid) var(--ease),filter var(--t-mid) var(--ease)}
.brand-mark svg{width:100%;height:100%;display:block}
.brand:hover .brand-mark{transform:translateY(-1px) scale(1.04);filter:drop-shadow(0 10px 22px rgba(77,116,255,.5))}
.brand-word{letter-spacing:-.035em;font-size:18.5px}
.brand-word em{font-style:normal;color:var(--blue)}
.site-header .brand-word em,.site-footer .brand-word em,.dark .brand-word em{color:#8DA6FF}
@media(prefers-reduced-motion:reduce){.brand:hover .brand-mark{transform:none}}
.nav-links{display:flex;gap:28px;font-size:14.5px;font-weight:500;color:var(--muted-light)}
.nav-links a{padding:8px 0;transition:color var(--t-fast)}
.nav-links a:hover,.nav-links a[aria-current]{color:#fff}
.nav-cta{display:flex;gap:10px;align-items:center}
.nav-toggle{display:none;background:none;border:1px solid var(--line-dark);color:#fff;width:44px;height:44px;border-radius:12px;align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff}
.nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}
.mobile-nav{display:none;background:var(--ink);border-top:1px solid var(--line-dark)}
.mobile-nav a{display:block;padding:16px var(--gutter);border-bottom:1px solid var(--line-dark);font-size:17px;font-weight:500}
.mobile-nav.open{display:block}
@media(max-width:960px){.nav-links,.nav-cta .btn--ghost{display:none}.nav-toggle{display:flex}}
@media(max-width:600px){.nav-cta .btn--primary{display:none}.brand{font-size:16px}}

/* Hero */
.hero{position:relative;overflow:hidden;padding:clamp(64px,9vw,120px) 0 clamp(56px,7vw,96px)}
.hero::before{content:"";position:absolute;inset:-20% -10% auto;height:80%;background:radial-gradient(60% 50% at 70% 30%,rgba(77,116,255,.22),transparent 65%);pointer-events:none}
.hero .wrap{position:relative}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(32px,6vw,80px);align-items:center}
.hero h1{margin-bottom:20px}
.hero .lede{margin-bottom:32px}
.hero-secondary{margin-top:18px;font-size:14.5px}
.hero-secondary a{color:var(--muted-light);border-bottom:1px solid var(--line-dark)}
.hero-secondary a:hover{color:#fff}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr}}

/* Postcode form (hero + final CTA) */
.pc-form{display:flex;gap:8px;max-width:520px;padding:6px;border-radius:var(--pill);background:rgba(255,255,255,.06);border:1px solid var(--line-dark)}
.pc-form input{flex:1;min-width:0;background:transparent;border:0;color:#fff;font:inherit;font-size:17px;padding:0 18px;letter-spacing:.02em;text-transform:uppercase}
.pc-form input::placeholder{color:var(--steel-2);text-transform:none;letter-spacing:0}
.pc-form input:focus{outline:none}
.pc-form:focus-within{border-color:rgba(77,116,255,.6)}
.pc-form .btn{flex:0 0 auto}
.pc-note{margin-top:14px;font-size:13.5px;color:var(--muted-light)}
@media(max-width:520px){.pc-form{flex-direction:column;border-radius:var(--r-md);padding:8px}.pc-form input{padding:14px 12px}.pc-form .btn{width:100%}}

/* House cutaway (hero right / diagnostic) */
.house{position:relative}
.house{--house-line:#fff}.mist .house{--house-line:#111317}.house svg{width:100%;height:auto}
.house .zone{cursor:pointer;transition:fill var(--t-mid) var(--ease),stroke var(--t-mid) var(--ease)}
.house .zone{fill:rgba(255,255,255,.03);stroke:rgba(255,255,255,.28);stroke-width:1.2}
.house .zone:hover,.house .zone.active,.house .zone:focus-visible{fill:rgba(77,116,255,.22);stroke:#7A98FF;outline:none}
.house .zone-label{font:600 11px/1 var(--font);fill:var(--steel);pointer-events:none;letter-spacing:.02em}
.house .heat{fill:none;stroke:#7A98FF;stroke-width:1.2;stroke-dasharray:3 4;opacity:0;transition:opacity var(--t-mid)}
.house .zone.active~.heat,.house.has-active .heat{opacity:.9}
.house-card{margin-top:18px;padding:20px 22px;border-radius:var(--r-md);background:rgba(255,255,255,.05);border:1px solid var(--line-dark);min-height:132px;transition:opacity var(--t-mid) var(--ease)}
.house-card h3{font-size:18px;margin-bottom:6px}
.house-card p{font-size:14.5px;color:var(--muted-light);margin:0 0 10px}
.house-card a{font-size:14px}
.house-card.swap{opacity:0}

/* Trust strip */
.trust{border-block:1px solid var(--line-dark);padding:18px 0}
.trust ul{list-style:none;margin:0;padding:0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px;color:var(--muted-light)}
.trust li{display:flex;align-items:center;gap:9px}
.trust li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue)}
@media(max-width:760px){.trust ul{display:grid;grid-template-columns:1fr 1fr;gap:12px 20px}}

/* Cards and grids */
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:1000px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}
.card{padding:26px;border-radius:var(--r-lg);border:1px solid var(--line-light);background:#fff}
.dark .card,.graphite .card{background:rgba(255,255,255,.04);border-color:var(--line-dark)}
.card h3{margin-bottom:8px}
.card p{font-size:15px;margin:0}
.card .link{display:inline-block;margin-top:14px;font-size:14.5px}

/* Symptom / match-engine entry chips */
.symptoms{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.symptom{display:inline-flex;align-items:center;gap:10px;padding:14px 20px;border-radius:var(--pill);border:1px solid var(--line-light);background:#fff;font-weight:500;font-size:15px;transition:border-color var(--t-fast),background var(--t-fast),transform var(--t-fast)}
.symptom:hover{border-color:var(--blue);background:var(--blue-soft)}
.symptom:active{transform:scale(.985)}

/* Foil spotlight */
.foil{position:relative;overflow:hidden}
.foil-sheet{position:absolute;inset:0;background:
  linear-gradient(115deg,transparent 0 35%,rgba(255,255,255,.055) 45%,rgba(255,255,255,.12) 50%,rgba(255,255,255,.055) 55%,transparent 65% 100%),
  repeating-linear-gradient(180deg,rgba(255,255,255,.035) 0 1px,transparent 1px 9px);
  background-size:220% 100%,100% 100%;pointer-events:none}
@media(prefers-reduced-motion:no-preference){.foil-sheet{animation:sheen 9s var(--ease) infinite alternate}}
@keyframes sheen{from{background-position:0% 0,0 0}to{background-position:100% 0,0 0}}
.foil .wrap{position:relative}
.foil-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,6vw,80px);align-items:center}
.foil-specs{list-style:none;margin:28px 0 0;padding:0;display:grid;gap:0}
.foil-specs li{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:14px 0;border-top:1px solid var(--line-dark);font-size:15px}
.foil-specs li:last-child{border-bottom:1px solid var(--line-dark)}
.foil-specs b{font-weight:600;color:var(--steel)}
@media(max-width:900px){.foil-grid{grid-template-columns:1fr}.foil-specs li{grid-template-columns:1fr;gap:4px}}
.foil-layers{display:grid;gap:8px;padding:26px;border-radius:var(--r-lg);border:1px solid var(--line-dark);background:rgba(255,255,255,.03)}
.foil-layers div{height:22px;border-radius:6px;border:1px solid rgba(255,255,255,.18);background:linear-gradient(90deg,rgba(255,255,255,.14),rgba(255,255,255,.04),rgba(255,255,255,.14))}
.foil-layers div.wad{height:14px;background:repeating-linear-gradient(90deg,rgba(255,255,255,.08) 0 3px,transparent 3px 7px);border-style:dashed}
.foil-layers span{font-size:12px;color:var(--muted-light);margin-top:8px}

/* Compare table */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.filter{padding:10px 16px;border-radius:var(--pill);border:1px solid var(--line-light);background:#fff;font-size:14px;font-weight:500;transition:all var(--t-fast)}
.filter[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.table-wrap{overflow-x:auto;border-radius:var(--r-md);border:1px solid var(--line-light);background:#fff}
table.cmp{width:100%;border-collapse:collapse;font-size:14.5px;min-width:720px}
table.cmp th,table.cmp td{padding:16px 18px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line-light)}
table.cmp thead th{font-size:13px;font-weight:600;color:var(--muted-dark);background:var(--mist)}
table.cmp tbody th{font-weight:600}
table.cmp tbody tr:last-child td,table.cmp tbody tr:last-child th{border-bottom:0}
table.cmp tr.hi{background:var(--blue-soft)}
table.cmp tr.lo{opacity:.45}
table.cmp tr{transition:opacity var(--t-mid),background var(--t-mid)}
.tag{display:inline-block;padding:4px 10px;border-radius:var(--pill);font-size:12.5px;font-weight:600;background:var(--mist);color:var(--text-dark);white-space:nowrap}
.dark .tag{background:rgba(255,255,255,.08);color:var(--text-light)}
.tag--blue{background:var(--blue-soft);color:var(--blue-2)}
/* Mobile card fallback for comparison */
.cmp-cards{display:none;gap:14px}
@media(max-width:760px){.table-wrap{display:none}.cmp-cards{display:grid}}
.cmp-card{padding:20px;border-radius:var(--r-md);border:1px solid var(--line-light);background:#fff}
.cmp-card h3{font-size:18px;margin-bottom:10px}
.cmp-card dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:14px}
.cmp-card dt{color:var(--muted-dark)}
.cmp-card dd{margin:0}

/* Cost calculator */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);align-items:start}
@media(max-width:860px){.calc{grid-template-columns:1fr}}
.field{display:grid;gap:8px;margin-bottom:18px}
.field label{font-size:14px;font-weight:600}
.field select,.field input[type=text],.field input[type=email],.field input[type=tel],.field textarea{width:100%;min-height:52px;padding:0 16px;border-radius:14px;border:1px solid var(--line-light);background:#fff;font:inherit;font-size:16px;color:var(--text-dark)}
.field textarea{padding:14px 16px;min-height:120px;resize:vertical}
.field select:focus,.field input:focus,.field textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}
.dark .field select,.dark .field input,.dark .field textarea{background:rgba(255,255,255,.05);border-color:var(--line-dark);color:#fff}
.dark .field option{color:#111}
.field .hint{font-size:13px;color:var(--muted-dark)}
.dark .field .hint{color:var(--muted-light)}
.field .error{display:none;font-size:13.5px;color:#C43F3F;font-weight:500}
.field.invalid .error{display:block}
.field.invalid input,.field.invalid select{border-color:#C43F3F}
.result{padding:28px;border-radius:var(--r-lg);background:var(--ink);color:var(--text-light)}
.result .big{font-size:clamp(34px,4vw,52px);font-weight:640;letter-spacing:-.04em;line-height:1;margin:6px 0 10px;font-variant-numeric:tabular-nums}
.result .meta{font-size:13.5px;color:var(--muted-light)}
.result .meta a{color:#9DB2FF}
.result .btn{margin-top:20px}

/* Funding cards */
.fund{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:900px){.fund{grid-template-columns:1fr}}
.fund-card{padding:24px;border-radius:var(--r-lg);border:1px solid var(--line-light);background:#fff}
.fund-card .status{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;margin-bottom:14px}
.fund-card .status::before{content:"";width:8px;height:8px;border-radius:50%}
.status--open::before{background:#1FA860}
.status--ending::before{background:#E0A020}
.status--closed::before{background:#8B93A1}
.fund-card h3{font-size:20px;margin-bottom:8px}
.fund-card p{font-size:14.5px}
.fund-card .link{font-size:14px}
.reviewed{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:var(--pill);border:1px solid var(--line-light);font-size:13px;color:var(--muted-dark);background:#fff}
.dark .reviewed{border-color:var(--line-dark);color:var(--muted-light);background:rgba(255,255,255,.04)}
.reviewed::before{content:"";width:7px;height:7px;border-radius:50%;background:#1FA860}

/* Steps (genuine sequence) */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:step}
@media(max-width:800px){.steps{grid-template-columns:1fr}}
.step{padding:26px;border-radius:var(--r-lg);border:1px solid var(--line-dark);background:rgba(255,255,255,.04);counter-increment:step;position:relative}
.step::before{content:counter(step);display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--blue);color:#fff;font-weight:700;font-size:14px;margin-bottom:18px}
.step h3{font-size:20px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--muted-light);margin:0}

/* Guides list */
.guides{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:900px){.guides{grid-template-columns:1fr}}
.guide{display:block;padding:24px;border-radius:var(--r-lg);border:1px solid var(--line-light);background:#fff;transition:border-color var(--t-fast)}
.guide:hover{border-color:var(--ink)}
.guide h3{font-size:19px;margin-bottom:8px}
.guide p{font-size:14.5px;margin:0 0 14px}
.guide .meta{font-size:13px;color:var(--muted-dark)}

/* Final CTA */
.final{text-align:left}
.final h2{max-width:14ch;margin-bottom:24px}
.final .pc-form{max-width:560px}

/* Footer */
.site-footer{background:var(--ink);color:var(--muted-light);padding:64px 0 32px;border-top:1px solid var(--line-dark);font-size:14px}
.site-footer h4{color:#fff;font-size:14px;margin-bottom:14px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.site-footer a:hover{color:#fff}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--line-dark);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--steel-2)}
.disclosure{font-size:13px;line-height:1.6;max-width:58ch;margin-top:14px}

/* ---------- Inner pages ---------- */
.page-hero{padding:clamp(48px,6vw,88px) 0 clamp(36px,4vw,56px)}
.breadcrumbs{font-size:13.5px;color:var(--muted-light);margin-bottom:26px}
.breadcrumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.breadcrumbs li+li::before{content:"/";margin-right:6px;color:var(--steel-2)}
.breadcrumbs a:hover{color:#fff}
.page-hero h1{font-size:clamp(34px,5vw,64px);max-width:16ch;margin-bottom:18px}
.page-hero .lede{margin-bottom:26px}
.page-hero .actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.page-hero .actions .reviewed{margin-left:6px}
@media(max-width:600px){.page-hero .actions .reviewed{margin-left:0}}

/* Quick answer strip */
.qa{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line-light);border-radius:var(--r-md);overflow:hidden;background:#fff}
@media(max-width:860px){.qa{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.qa{grid-template-columns:1fr}}
.qa div{padding:20px 22px;border-right:1px solid var(--line-light)}
.qa div:last-child{border-right:0}
@media(max-width:860px){.qa div{border-bottom:1px solid var(--line-light)}}
.qa b{display:block;font-size:13px;color:var(--muted-dark);font-weight:600;margin-bottom:6px}
.qa span{font-size:15.5px;font-weight:600;line-height:1.35}

/* Article layout with summary rail */
.article--rail{display:grid;max-width:1120px;margin-inline:auto;grid-template-columns:minmax(0,720px) 300px;gap:56px;align-items:start}
.article--single{display:block;max-width:900px;margin-inline:auto}
.article--single .prose{max-width:72ch}
@media(max-width:1000px){.article{grid-template-columns:minmax(0,1fr)}}
.prose{font-size:17px;line-height:1.68;max-width:70ch}
.prose h2{font-size:clamp(26px,3vw,36px);margin:52px 0 16px}
.prose a:not(.btn):not(.link){color:var(--blue-2);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose .inline-cta a:not(.btn){color:#9DB2FF}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:22px;margin:32px 0 10px}
.prose ul,.prose ol{padding-left:22px;margin:0 0 1.2em}
.prose li{margin-bottom:6px}
.prose table{width:100%;border-collapse:collapse;font-size:15px;margin:8px 0 28px}
@media(max-width:700px){.prose table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}.prose table thead,.prose table tbody{display:table;width:100%;min-width:560px}}
.prose th,.prose td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line-light);vertical-align:top}
.prose th{font-weight:600;font-size:13.5px;color:var(--muted-dark)}
.prose .callout{padding:22px 24px;border-radius:var(--r-md);border:1px solid var(--line-light);background:var(--mist);font-size:15.5px;margin:24px 0}
.prose .callout--blue{border-color:rgba(77,116,255,.3);background:var(--blue-soft)}
.prose .callout b{display:block;margin-bottom:6px}
.prose .pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:8px 0 28px}
@media(max-width:640px){.prose .pros-cons{grid-template-columns:1fr}}
.prose .pros-cons div{padding:20px;border-radius:var(--r-md);border:1px solid var(--line-light);font-size:15px}
.prose .pros-cons h3{font-size:16px;margin:0 0 10px}
.prose .pros-cons ul{margin:0}
.prose .inline-cta{margin:36px 0;padding:28px;border-radius:var(--r-lg);background:var(--ink);color:var(--text-light);display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.prose .inline-cta p{margin:0;font-size:15.5px;color:var(--muted-light);max-width:44ch}
.prose .inline-cta b{display:block;color:#fff;font-size:19px;margin-bottom:4px;letter-spacing:-.02em}
.rail{position:sticky;top:96px;display:grid;gap:16px}
@media(max-width:1000px){.rail{position:static}}
.rail-card{padding:22px;border-radius:var(--r-md);border:1px solid var(--line-light);background:#fff}
.rail-card h3{font-size:15px;margin-bottom:12px}
.rail-card dl{margin:0;display:grid;gap:10px;font-size:14px}
.rail-card dt{color:var(--muted-dark);font-size:12.5px}
.rail-card dd{margin:0;font-weight:600}
.rail-card .btn{width:100%;margin-top:6px}
.rail-card ul{list-style:none;margin:0;padding:0;display:grid;gap:8px;font-size:14px}
.rail-card ul a{color:var(--blue-2);font-weight:500}
.rail-card ul a:hover{text-decoration:underline}

/* FAQ accordion (content in DOM) */
.faq{border-top:1px solid var(--line-light)}
.faq details{border-bottom:1px solid var(--line-light)}
.faq summary{list-style:none;cursor:pointer;padding:20px 0;font-weight:600;font-size:17px;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-weight:400;font-size:22px;color:var(--muted-dark);transition:transform var(--t-fast)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 0 20px;font-size:15.5px;line-height:1.65;max-width:68ch;color:#2B3240}

/* Sources */
.sources{font-size:14px;color:var(--muted-dark)}
.sources ol{padding-left:20px;margin:10px 0 0}
.sources li{margin-bottom:6px}
.sources a{color:var(--blue-2)}

/* Related pages */
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media(max-width:800px){.related{grid-template-columns:1fr}}
.related a{padding:20px 22px;border-radius:var(--r-md);border:1px solid var(--line-light);background:#fff;font-weight:600;font-size:15px;transition:border-color var(--t-fast)}
.related a:hover{border-color:var(--ink)}
.related a small{display:block;font-weight:400;color:var(--muted-dark);margin-top:4px}

/* Mobile sticky CTA */

/* Match engine */
.engine{max-width:640px;margin-inline:auto}
.progress{display:flex;gap:6px;margin-bottom:28px}
.progress i{display:block;flex:1;height:4px;border-radius:2px;background:rgba(255,255,255,.12);transition:background var(--t-mid)}
.progress i.done{background:var(--blue)}
.engine-step{display:none}
.engine-step.active{display:block;animation:rise var(--t-slow) var(--ease)}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.engine-step.active{animation:none}}
.engine h2{font-size:clamp(26px,3.6vw,40px);margin-bottom:10px}
.engine h2:focus{outline:none}
body.is-engine .sticky-cta{display:none!important}
.engine h2[tabindex]:focus{outline:none}
.engine .why{font-size:14.5px;color:var(--muted-light);margin-bottom:26px}
.options{display:grid;gap:10px}
.options.two{grid-template-columns:1fr 1fr}
@media(max-width:520px){.options.two{grid-template-columns:1fr}}
.opt{display:flex;align-items:center;gap:14px;width:100%;text-align:left;padding:18px 20px;border-radius:16px;border:1px solid var(--line-dark);background:rgba(255,255,255,.04);color:#fff;font-size:16px;font-weight:500;transition:border-color var(--t-fast),background var(--t-fast)}
.opt:hover{border-color:rgba(255,255,255,.35)}
.opt[aria-pressed="true"]{border-color:var(--blue);background:var(--blue-soft)}
.opt small{display:block;color:var(--muted-light);font-weight:400;font-size:13.5px;margin-top:2px}
.engine-nav{display:flex;justify-content:space-between;align-items:center;margin-top:26px;gap:12px}
.engine-nav .back{background:none;border:0;color:var(--muted-light);font-size:14.5px;padding:10px 0}
.engine-nav .back:hover{color:#fff}
.stack{display:grid;gap:12px}
.stack-item{padding:20px 22px;border-radius:16px;border:1px solid var(--line-dark);background:rgba(255,255,255,.04);opacity:0;transform:translateY(8px);transition:opacity var(--t-slow) var(--ease),transform var(--t-slow) var(--ease)}
.stack-item.in{opacity:1;transform:none}
.stack-item b{display:block;font-size:13px;color:var(--muted-light);font-weight:500;margin-bottom:6px}
.stack-item span{font-size:16px;font-weight:600}
.stack-item p{margin:6px 0 0;font-size:14px;color:var(--muted-light)}
.consent{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--muted-light);margin:16px 0}
.consent input{margin-top:4px;width:18px;height:18px;flex:0 0 auto;accent-color:var(--blue)}
.review{display:grid;gap:8px;margin:18px 0 8px;font-size:14px}
.review div{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line-dark)}
.review div span:first-child{color:var(--muted-light)}
.review button{background:none;border:0;color:#9DB2FF;font-size:13px;padding:0}
.notice{padding:16px 18px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid var(--line-dark);font-size:14px;color:var(--muted-light);margin-top:18px}
.engine-done{text-align:center;padding:40px 0}
.engine-done h2{margin-bottom:12px}

/* Contact / static form pages */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
@media(max-width:600px){.form-grid{grid-template-columns:1fr}}
.form-grid .full{grid-column:1/-1}

/* 404 */
.notfound{min-height:60vh;display:grid;place-items:center;text-align:center}

/* Utility */
.mt-0{margin-top:0}.mt-2{margin-top:16px}.mt-4{margin-top:32px}.mt-6{margin-top:48px}
.mb-2{margin-bottom:16px}.mb-4{margin-bottom:32px}
.flex{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.center{text-align:center}

/* HTML site map */
.sitemap-page{max-width:920px}.sitemap-page h2{margin:40px 0 14px}.sitemap-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:8px}.sitemap-list li{background:#fff;border:1px solid rgba(17,19,23,.08);border-radius:14px;padding:12px 16px;display:flex;flex-direction:column;gap:2px}.sitemap-list a{font-weight:600;text-decoration:none;color:var(--ink,#111317)}.sitemap-list a:hover{color:var(--blue)}.sitemap-list .small{font-size:12px;word-break:break-all}

/* ===== Takeover P0 additions ===== */
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.02em;color:#8DA6FF;margin:0 0 14px}
.mist .eyebrow{color:var(--blue)}
.actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.actions--center{justify-content:center}
/* Photo hero */
.hero--photo{position:relative;min-height:min(86vh,820px);display:flex;align-items:center;overflow:hidden;padding:120px 0 80px}
.hero-media{position:absolute;inset:0;z-index:0}
.hero-media img{width:100%;height:100%;object-fit:cover;display:block;transform:scale(1.04);animation:heroDrift 18s ease-out forwards}
@keyframes heroDrift{to{transform:scale(1)}}
@media(prefers-reduced-motion:reduce){.hero-media img{animation:none;transform:none}}
.hero-scrim{position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,14,18,.92) 0%,rgba(12,14,18,.72) 45%,rgba(12,14,18,.25) 100%),linear-gradient(0deg,rgba(12,14,18,.9) 0%,rgba(12,14,18,0) 40%)}
.hero-copy{position:relative;z-index:1;max-width:820px}
.hero-copy h1{font-size:clamp(40px,6vw,82px);line-height:.98;letter-spacing:-.045em;margin-bottom:22px}
.hero-copy .lede{max-width:640px;font-size:clamp(16px,1.4vw,19px)}
.hero-phone{margin:22px 0 0;display:flex;gap:14px;align-items:baseline;flex-wrap:wrap}
.hero-phone a{color:#fff;font-weight:700;font-size:20px;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.35)}
.hero-phone span{font-size:13.5px;color:var(--muted-light)}
.trust-inline{list-style:none;padding:0;margin:26px 0 0;display:flex;gap:18px;flex-wrap:wrap;font-size:13.5px;color:var(--steel,#BFC5CE)}
.trust-inline li::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--blue);margin-right:8px;vertical-align:middle}
/* header phone + mega */
.phone-link{display:inline-flex;align-items:center;gap:7px;color:#fff;font-weight:600;font-size:14.5px;text-decoration:none;margin-right:6px;white-space:nowrap}
.phone-link:hover{color:#8DA6FF}
.has-mega{position:relative;display:inline-block}
.mega{position:fixed;left:0;right:0;top:70px;background:rgba(12,14,18,.96);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--line-dark);opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity var(--t-mid) var(--ease),transform var(--t-mid) var(--ease),visibility 0s linear var(--t-mid);z-index:99}
.has-mega:hover .mega,.has-mega:focus-within .mega{opacity:1;visibility:visible;transform:none;transition-delay:0s}
.mega-grid{display:grid;grid-template-columns:repeat(4,1fr) 1.2fr;gap:32px;padding:32px 0 36px}
.mega h4{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-light);margin:0 0 12px}
.mega ul{list-style:none;margin:0;padding:0}
.mega li a{display:block;color:#F2F4F7;text-decoration:none;font-size:14.5px;padding:6px 0;border-bottom:1px solid transparent}
.mega li a:hover{color:#8DA6FF}
.mega-cta{background:rgba(255,255,255,.05);border:1px solid var(--line-dark);border-radius:20px;padding:22px}
.mega-cta b{display:block;color:#fff;margin-bottom:6px}.mega-cta p{font-size:13.5px;color:var(--muted-light);margin:0 0 14px}
@media(max-width:1100px){.mega{display:none}.phone-link span{display:none}}
.mobile-group{padding:10px 0 4px;border-top:1px solid var(--line-dark);margin-top:8px}
.mobile-group b{display:block;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-light);margin-bottom:4px}
.mobile-group a{font-size:15px;padding:6px 0}
/* sticky bar (mobile) */
.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;grid-template-columns:1fr 1.2fr 1.2fr;gap:8px;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:rgba(12,14,18,.94);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-top:1px solid var(--line-dark);transition:transform var(--t-mid) var(--ease)}
.sticky-bar a{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:46px;border-radius:999px;font-weight:600;font-size:14px;color:#fff;text-decoration:none;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12)}
.sticky-bar a.primary{background:var(--blue);border-color:var(--blue)}
.sticky-bar.hide{transform:translateY(110%)}
@media(max-width:900px){.sticky-bar{display:grid}body{padding-bottom:76px}}
/* diagnostic section */
.diag-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.diag-grid h2{font-size:clamp(28px,3.4vw,44px)}
.symptoms--tight{margin-top:22px}
@media(max-width:900px){.diag-grid{grid-template-columns:1fr;gap:32px}}
/* authority grid */
.auth-grid,.deep-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.auth-grid a,.deep-grid a{display:flex;flex-direction:column;gap:6px;padding:22px;border-radius:20px;text-decoration:none;background:rgba(255,255,255,.05);border:1px solid var(--line-dark);color:#fff;transition:transform var(--t-mid) var(--ease),background var(--t-mid) var(--ease)}
.auth-grid a:hover,.deep-grid a:hover{transform:translateY(-2px);background:rgba(255,255,255,.08)}
.auth-grid a b{font-size:17px}.auth-grid a span{font-size:13.5px;color:var(--muted-light)}
.deep-grid{margin:18px 0 28px}.deep-grid a{background:#fff;border:1px solid rgba(17,19,23,.08);color:var(--ink,#111317)}
.deep-grid a:hover{background:#fff;box-shadow:0 10px 30px rgba(17,19,23,.08)}
.deep-grid a b{font-size:16px}.deep-grid a span{font-size:13.5px;color:#5B6470}
@media(max-width:900px){.auth-grid,.deep-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.auth-grid,.deep-grid{grid-template-columns:1fr}}
/* survey steps */
.survey-steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(7,1fr);gap:10px;counter-reset:none}
.survey-steps li{background:#fff;border:1px solid rgba(17,19,23,.08);border-radius:18px;padding:18px 16px;display:flex;flex-direction:column;gap:6px}
.survey-steps span{font-size:12px;font-weight:700;color:var(--blue);letter-spacing:.04em}
.survey-steps b{font-size:15px;line-height:1.25}.survey-steps p{font-size:13px;color:#5B6470;margin:0}
@media(max-width:1100px){.survey-steps{grid-template-columns:repeat(4,1fr)}}
@media(max-width:700px){.survey-steps{grid-template-columns:1fr 1fr}}
/* why list + buildup */
.buildup-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
@media(max-width:900px){.buildup-grid{grid-template-columns:1fr;gap:32px}}
.why-list{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px}
.why-list li{display:grid;grid-template-columns:150px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--line-dark);font-size:14.5px}
.why-list b{color:#fff}.why-list span{color:var(--muted-light)}.why-list a{color:#8DA6FF}
@media(max-width:560px){.why-list li{grid-template-columns:1fr}}
.roof-buildup{display:grid;grid-template-columns:1.4fr 1fr;gap:18px;align-items:start;margin:8px 0 8px}
.rb-stage svg{width:100%;height:auto;display:block}
.rb-layer polygon{stroke:rgba(255,255,255,.18);stroke-width:1;transition:transform var(--t-mid) var(--ease),opacity var(--t-mid),stroke var(--t-mid);cursor:pointer;transform-box:fill-box;transform-origin:center}
.rb-layer.on polygon{stroke:#fff;stroke-width:1.5;transform:translateX(10px)}
.rb-layer:hover polygon{transform:translateX(10px)}
.rb-label{fill:var(--muted-light);font-size:12px;font-family:Inter,ui-sans-serif,system-ui,sans-serif}
.rb-layer.on .rb-label{fill:#fff;font-weight:600}
.rb-covering{fill:#3A3F49}.rb-membrane{fill:#5B6470}.rb-vent{fill:rgba(141,166,255,.18)}.rb-rafters{fill:#8B6B45}.rb-gap1,.rb-gap2{fill:rgba(141,166,255,.28)}.rb-foil{fill:url(#foilg)}.rb-foil{fill:#C9D3E6}.rb-finish{fill:#E9ECF2}
.mist .rb-stage svg .rb-label{fill:#5B6470}.mist .rb-layer.on .rb-label{fill:#111317}.mist .rb-layer polygon{stroke:rgba(17,19,23,.12)}.mist .rb-layer.on polygon{stroke:#111317}
.rb-card{background:rgba(255,255,255,.05);border:1px solid var(--line-dark);border-radius:18px;padding:18px;min-height:120px}
.rb-card b{display:block;margin-bottom:6px;font-size:16px}.rb-card p{margin:0;font-size:14px;color:var(--muted-light)}
.mist .rb-card{background:#fff;border-color:rgba(17,19,23,.08)}.mist .rb-card p{color:#5B6470}
.prose .rb-card p{margin:0}
@media(max-width:700px){.roof-buildup{grid-template-columns:1fr}}
/* thickness viz */
.thick-viz{background:#fff;border:1px solid rgba(17,19,23,.08);border-radius:20px;padding:20px;margin:12px 0 8px}
.tv-toggle{display:inline-flex;gap:6px;background:#EEF1F6;padding:4px;border-radius:999px;margin-bottom:16px}
.tv-toggle button{border:0;background:transparent;padding:8px 14px;border-radius:999px;font-weight:600;font-size:13.5px;color:#5B6470;cursor:pointer}
.tv-toggle button[aria-pressed=true]{background:#111317;color:#fff}
.tv-rows{display:grid;gap:10px}
.tv-row{display:grid;grid-template-columns:170px 1fr 70px;gap:12px;align-items:center;font-size:14px}
.tv-bar{height:18px;background:#EEF1F6;border-radius:9px;overflow:hidden}
.tv-bar i{display:block;height:100%;background:linear-gradient(90deg,#4D74FF,#8DA6FF);border-radius:9px;transition:width .45s var(--ease)}
.tv-row b{text-align:right;font-variant-numeric:tabular-nums}
@media(max-width:560px){.tv-row{grid-template-columns:1fr;gap:4px}.tv-row b{text-align:left}}
/* case strip */
.case-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.case{display:flex;flex-direction:column;gap:8px;padding:26px;border-radius:22px;background:#fff;border:1px solid rgba(17,19,23,.08);text-decoration:none;color:#111317;min-height:200px;justify-content:flex-end}
.case--empty{grid-column:1/-1;background:linear-gradient(135deg,#111317,#1B1F27);color:#fff;min-height:260px}
.case--empty span{color:var(--muted-light);font-size:14.5px}
.case-grid{display:grid;gap:22px}
.case-card{display:grid;grid-template-columns:1.1fr 1fr;background:#fff;border:1px solid rgba(17,19,23,.08);border-radius:24px;overflow:hidden}
.case-photo{background:#1B1F27;min-height:320px;display:flex;align-items:center;justify-content:center;color:var(--muted-light);font-size:14px}
.case-body{padding:28px}.case-facts{display:grid;grid-template-columns:150px 1fr;gap:8px 14px;font-size:14px;margin:14px 0}
.case-facts dt{color:#5B6470}.case-facts dd{margin:0}
@media(max-width:800px){.case-card{grid-template-columns:1fr}.case-strip{grid-template-columns:1fr}}
/* team */
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.team-card{background:#fff;border:1px solid rgba(17,19,23,.08);border-radius:24px;padding:26px}
.team-photo{width:96px;height:96px;border-radius:24px;background:#1B1F27;display:flex;align-items:center;justify-content:center;color:var(--muted-light);font-size:12px;margin-bottom:16px}
.team-card h2{font-size:20px;margin-bottom:6px}
@media(max-width:700px){.team-grid{grid-template-columns:1fr}}
/* authorship block */
.authorship{margin-top:40px;padding:22px 24px;border-radius:20px;background:#fff;border:1px solid rgba(17,19,23,.08);font-size:14px}
.authorship dl{display:grid;grid-template-columns:150px 1fr;gap:6px 14px;margin:0 0 14px}
.authorship dt{color:#5B6470}.authorship dd{margin:0}
.authorship p{margin:6px 0 0;color:#3A3F49}
[data-reviewer]{color:#8A5A00;background:#FFF4DB;padding:1px 6px;border-radius:6px}
/* page photo + stat row + app grid + timeline + cta pair/split */
.hero-photo{margin:0 0 28px;border-radius:24px;overflow:hidden;position:relative;background:#1B1F27}
.hero-photo img{width:100%;height:auto;display:block;aspect-ratio:16/9;object-fit:cover}
.photo-cap{position:absolute;left:14px;bottom:12px;font-size:12.5px;color:#fff;background:rgba(12,14,18,.7);padding:6px 10px;border-radius:999px}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:18px 0 22px}
.stat-row div{background:#fff;border:1px solid rgba(17,19,23,.08);border-radius:16px;padding:14px 16px}
.stat-row b{display:block;font-size:15px;margin-bottom:4px}.stat-row span{font-size:13px;color:#5B6470}
@media(max-width:800px){.stat-row{grid-template-columns:1fr 1fr}}
.app-grid{grid-template-columns:repeat(3,1fr)}
@media(max-width:800px){.app-grid{grid-template-columns:1fr}}
.timeline{list-style:none;padding:0;margin:14px 0;display:grid;gap:0;counter-reset:tl}
.timeline li{position:relative;padding:12px 0 14px 46px;border-left:2px solid rgba(77,116,255,.35);margin-left:14px;counter-increment:tl}
.timeline li::before{content:counter(tl,decimal-leading-zero);position:absolute;left:-15px;top:12px;width:28px;height:28px;border-radius:50%;background:var(--blue);color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center}
.timeline b{display:block;font-size:16px}.timeline span{font-size:14px;color:#5B6470}
.cta-pair{display:flex;gap:10px;flex-wrap:wrap}
.inline-cta .cta-pair .btn--ghost{border-color:rgba(255,255,255,.35);color:#fff}
.cta-split{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:26px 0}
.cta-split a{display:flex;flex-direction:column;gap:6px;padding:22px;border-radius:20px;background:#111317;color:#fff;text-decoration:none}
.cta-split a:nth-child(2){background:var(--blue)}
.cta-split b{font-size:17px}.cta-split span{font-size:13.5px;opacity:.8}
@media(max-width:700px){.cta-split{grid-template-columns:1fr}}
.faq--cols{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
@media(max-width:800px){.faq--cols{grid-template-columns:1fr}}
.hp{position:absolute;left:-9999px;top:-9999px;height:0;overflow:hidden}
/* house cutaway on mist */
.mist .house .zone{fill:rgba(17,19,23,.03);stroke:rgba(17,19,23,.32)}
.mist .house .zone:hover,.mist .house .zone.active,.mist .house .zone:focus-visible{fill:rgba(77,116,255,.16);stroke:var(--blue)}
.mist .house .zone-label{fill:#3A3F49}
.mist .house svg [stroke="rgba(255,255,255,0.35)"],.mist .house svg [stroke="rgba(255,255,255,.35)"],.mist .house svg .outline{stroke:rgba(17,19,23,.35)}
.mist .house-card{background:#fff;border:1px solid rgba(17,19,23,.08);color:#111317}
.mist .house-card p{color:#5B6470}
.prose .roof-buildup{grid-template-columns:1fr}
.prose .rb-card{margin-top:4px}
.mist .pc-form input,.mist .pc-form{border-color:rgba(17,19,23,.14)}
.mist .pc-form{background:#fff;border:1px solid rgba(17,19,23,.14);box-shadow:0 8px 24px rgba(17,19,23,.06)}
.mist .pc-form input{color:#111317}
/* ===== Gap-closure additions ===== */
.book-head{max-width:720px;margin:0 auto 26px}.book-head h1{font-size:clamp(28px,4vw,44px);margin-bottom:10px}.book-head .lede{color:var(--muted-light)}
.err-box{margin-top:18px;padding:18px 20px;border-radius:16px;background:rgba(241,156,156,.1);border:1px solid rgba(241,156,156,.4)}
.err-box h3{margin:0 0 6px;font-size:17px;color:#fff}.err-box p{margin:0 0 12px;font-size:14px;color:var(--muted-light)}
.mist .err-box h3{color:#111317}.mist .err-box p{color:#5B6470}
.next-steps{list-style:none;padding:0;margin:18px auto 26px;max-width:560px;text-align:left;display:grid;gap:10px}
.next-steps li{display:grid;grid-template-columns:36px 1fr;gap:12px;align-items:center;background:rgba(255,255,255,.05);border:1px solid var(--line-dark);border-radius:14px;padding:12px 16px}
.next-steps span{font-size:12px;font-weight:700;color:#8DA6FF}.next-steps b{font-weight:500;font-size:15px}
.done-links{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.done-links a{display:inline-block;padding:10px 16px;border-radius:999px;border:1px solid rgba(255,255,255,.2);color:#fff;text-decoration:none;font-size:14px}
.done-links a:hover{background:rgba(255,255,255,.08)}
.engine-done h3{margin:8px 0 12px;font-size:15px;color:var(--muted-light);font-weight:500}
.belief-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;align-items:start}
.belief h2{font-size:clamp(30px,4vw,52px);letter-spacing:-.04em;line-height:1.02}
.belief p{color:var(--muted-light)}.belief .lede{color:#F2F4F7}
@media(max-width:900px){.belief-grid{grid-template-columns:1fr;gap:20px}}
.case b{font-size:18px}.case span{color:#5B6470;font-size:14px}
.case:hover{box-shadow:0 12px 34px rgba(17,19,23,.08);transform:translateY(-2px);transition:transform var(--t-mid) var(--ease),box-shadow var(--t-mid) var(--ease)}
/* project library */
.lib-notice{background:#fff;border:1px solid rgba(17,19,23,.08);border-left:4px solid var(--blue);border-radius:18px;padding:22px 26px}
.lib-notice h2{font-size:18px;margin:0 0 8px}.lib-notice p{margin:0;font-size:15px;color:#3A3F49}
.scenarios{display:grid;gap:22px}
.scenario{display:grid;grid-template-columns:.9fr 1.1fr;gap:0;background:#fff;border:1px solid rgba(17,19,23,.08);border-radius:26px;overflow:hidden}
.sc-media{background:linear-gradient(160deg,#111317,#1B1F27);padding:36px;display:flex;align-items:center;--sc-line:#BFC5CE;--sc-wool:#E9C46A;--sc-foil:#C9D3E6;--sc-blue:#8DA6FF;--sc-board:#8B6B45;--sc-warn:#F19C9C}
.sc-svg{width:100%;height:auto}.sc-t{font:500 11px Inter,system-ui,sans-serif;fill:#BFC5CE}.sc-b{fill:#8DA6FF}
.sc-body{padding:32px 34px}
.sc-body h2{font-size:26px;letter-spacing:-.03em;margin:4px 0 4px}.sc-sub{color:#5B6470;margin:0 0 18px}
.sc-body h3{font-size:13px;letter-spacing:.05em;text-transform:uppercase;color:#5B6470;margin:18px 0 8px}
.sc-body p,.sc-body li{font-size:15px}
.sc-check{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px}
.sc-check li{background:#F2F4F7;border-radius:999px;padding:6px 12px;font-size:13.5px}
.sc-solutions{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.sc-solutions div{border:1px solid rgba(17,19,23,.1);border-radius:12px;padding:10px 12px;display:flex;flex-direction:column;gap:2px}
.sc-solutions b{font-size:14px}.sc-solutions span{font-size:12.5px;color:#5B6470}
.sc-note{background:#F2F4F7;border-radius:12px;padding:12px 14px;margin:14px 0 0!important;font-size:14px!important;color:#3A3F49}
.sc-cta{margin-top:22px!important;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
@media(max-width:860px){.scenario{grid-template-columns:1fr}.sc-media{padding:24px}.sc-solutions{grid-template-columns:1fr}}
/* team */
.team-icon{width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,#6A8CFF,#2F52E0);color:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:16px;box-shadow:0 8px 20px rgba(77,116,255,.3)}
.team-icon svg{width:26px;height:26px}
.team-card{display:flex;flex-direction:column;gap:8px}.team-card h2{font-size:20px;margin:0}.team-tag{color:var(--blue);font-weight:600;margin:0}.team-card p{font-size:14.5px;color:#3A3F49;margin:0}
.team-list{list-style:none;padding:0;margin:4px 0 6px;display:flex;flex-wrap:wrap;gap:6px}
.team-list li{background:#F2F4F7;border-radius:999px;padding:5px 11px;font-size:12.5px}
.team-card .btn{align-self:flex-start;margin-top:auto}
@media(max-width:1000px){.team-grid{grid-template-columns:1fr 1fr}}@media(max-width:640px){.team-grid{grid-template-columns:1fr}}
.regions{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.region{background:rgba(255,255,255,.05);border:1px solid var(--line-dark);border-radius:18px;padding:20px;display:flex;flex-direction:column;gap:4px}
.region b{font-size:17px}.region span{font-size:13px;color:var(--muted-light)}
@media(max-width:900px){.regions{grid-template-columns:1fr 1fr}}
.authorship h3{font-size:16px;margin:0 0 8px}

/* ===== Final takeover additions ===== */
.short-answer{background:#fff;border:1px solid rgba(17,19,23,.08);border-left:4px solid var(--blue);border-radius:18px;padding:20px 24px;margin:0 0 28px}
.short-answer .eyebrow{margin-bottom:6px}.short-answer > p:not(.eyebrow){font-size:17px;line-height:1.55;margin:0}
.takeaways{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-wrap:wrap;gap:6px}
.takeaways li{background:#F2F4F7;border-radius:999px;padding:6px 12px;font-size:13px}
.foil-hub{background:#fff;border:1px solid rgba(17,19,23,.08);border-radius:24px;padding:28px 30px}
.foil-hub h2{font-size:22px;margin:0 0 18px}
.foil-hub-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.foil-hub h3{font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:#5B6470;margin:0 0 8px}
.foil-hub ul{list-style:none;margin:0;padding:0}.foil-hub li{font-size:14px;padding:3px 0}.foil-hub a{color:#111317;text-decoration:none}.foil-hub a:hover{color:var(--blue)}.foil-hub b{color:var(--blue)}
@media(max-width:900px){.foil-hub-grid{grid-template-columns:1fr 1fr}}
.deep-grid--7{grid-template-columns:repeat(4,1fr)}@media(max-width:900px){.deep-grid--7{grid-template-columns:1fr 1fr}}@media(max-width:560px){.deep-grid--7{grid-template-columns:1fr}}
.auth-grid--2{grid-template-columns:1fr 1fr;margin-top:18px}
.heat-viz{background:rgba(255,255,255,.05);border:1px solid var(--line-dark);border-radius:20px;padding:18px}
.hv-tabs{display:inline-flex;gap:4px;background:rgba(255,255,255,.06);padding:4px;border-radius:999px;margin-bottom:12px}
.hv-tabs button{border:0;background:transparent;color:var(--muted-light);padding:8px 14px;border-radius:999px;font-weight:600;font-size:13.5px;cursor:pointer}
.hv-tabs button[aria-selected=true]{background:var(--blue);color:#fff}
.heat-viz svg{width:100%;height:auto;display:block;color:#8DA6FF}
.hv-warm{fill:rgba(241,156,156,.18);stroke:rgba(241,156,156,.5)}.hv-cold{fill:rgba(141,166,255,.14);stroke:rgba(141,166,255,.5)}.hv-layer{fill:#C9D3E6}
.hv-t{fill:var(--muted-light);font:500 11px Inter,system-ui,sans-serif}
.hv-ar{fill:none;stroke:currentColor;stroke-width:2;marker-end:url(#hv-arrow)}.hv-ir{stroke:#F19C9C;color:#F19C9C}.hv-ref{stroke:#8DA6FF}
.hv-mode{opacity:0;transition:opacity var(--t-mid)}.hv-mode.on{opacity:1}
.hv-card{margin:12px 0 0;font-size:14px;color:var(--muted-light)}.hv-card b{color:#fff}

/* ===== Geographic silo ===== */
.area-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:12px 0 8px}
.area-card{display:block;background:#fff;border:1px solid rgba(17,19,23,.08);border-radius:12px;padding:12px 14px;font-size:14px;font-weight:600;color:#111317;text-decoration:none}
a.area-card{color:var(--blue)}a.area-card:hover{border-color:var(--blue)}
@media(max-width:800px){.area-cards{grid-template-columns:1fr 1fr}}
.region-cards{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.region-card{display:flex;flex-direction:column;gap:3px;padding:16px 18px;border-radius:16px;background:#fff;border:1px solid rgba(17,19,23,.08);text-decoration:none;color:#111317}
.region-card b{font-size:15px}.region-card span{font-size:12.5px;color:#5B6470}.region-card:hover{border-color:var(--blue)}
.region-cards--inline{grid-template-columns:repeat(3,1fr);margin:14px 0}
@media(max-width:800px){.region-cards--inline{grid-template-columns:1fr 1fr}}
.map-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
@media(max-width:900px){.map-grid{grid-template-columns:1fr}}
.uk-map{width:100%;height:auto;display:block}
.uk-tile rect,.uk-tile circle{fill:#111317;stroke:rgba(255,255,255,.12);stroke-width:1.5;transition:fill var(--t-mid) var(--ease)}
.uk-tile text{fill:#fff;font:600 15px Inter,system-ui,sans-serif;pointer-events:none}
.uk-tile:hover rect,.uk-tile:hover circle,.uk-tile:focus rect{fill:var(--blue)}
.uk-tile--pin circle{fill:var(--blue);stroke:#fff}.uk-tile--pin text{font-size:11px}
.field-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media(max-width:900px){.field-grid{grid-template-columns:1fr 1fr}}@media(max-width:560px){.field-grid{grid-template-columns:1fr}}
.field-card{background:rgba(255,255,255,.05);border:1px solid var(--line-dark);border-radius:18px;padding:20px}
.field-card h3{font-size:17px;margin:0 0 6px}.field-card p{font-size:14px;color:var(--muted-light);margin:0 0 8px}
.prose .field-card{background:#111317;color:#fff;margin:18px 0}.prose .field-card p{color:var(--muted-light)}.prose .field-card a{color:#8DA6FF}
.coverage-module{margin-top:14px;background:#111317;color:#fff;border-radius:20px;padding:22px 26px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.coverage-module b{font-size:17px}.coverage-module p{margin:4px 0 0;color:var(--muted-light);font-size:14px}
.coverage-module .btn--ghost{border-color:rgba(255,255,255,.3);color:#fff}

/* ===== Consent banner ===== */
.consent{position:fixed;left:12px;right:12px;bottom:12px;z-index:120;background:rgba(12,14,18,.97);color:#fff;border:1px solid var(--line-dark);border-radius:20px;padding:18px 20px;box-shadow:0 20px 60px rgba(0,0,0,.4);backdrop-filter:blur(16px)}
.consent[hidden]{display:none}
.consent-inner{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;max-width:1200px;margin:0 auto}
.consent-inner > div:first-child{flex:1 1 420px}.consent b{display:block;margin-bottom:4px}.consent p{margin:0;font-size:13.5px;color:var(--muted-light)}
.consent-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.consent-settings{background:transparent;border:0;color:#8DA6FF;font:inherit;font-size:13.5px;cursor:pointer;text-decoration:underline}
.consent-panel[hidden]{display:none}.consent-panel{flex-basis:100%;display:grid;gap:8px;padding-top:12px;border-top:1px solid var(--line-dark)}
.consent-panel .consent{position:static;background:transparent;border:0;padding:0;box-shadow:none;backdrop-filter:none;display:flex;gap:10px;align-items:flex-start;font-size:13.5px}
.consent-panel .btn{justify-self:start}
@media(max-width:900px){.consent{bottom:84px}}
.tv-warn{margin:0 0 12px;font-size:13.5px;color:#3A3F49;background:#FFF4DB;border-radius:10px;padding:8px 12px}

/* =====================================================================
   FINAL VISUAL RHYTHM PATCH — tokens, structure, breakpoints
   Cinematic at the top · editorial in the middle · decisive at the conversion · quiet at the footer
   ===================================================================== */
:root{--space-1:8px;--space-2:12px;--space-3:16px;--space-4:24px;--space-5:32px;--space-6:48px;--space-7:64px;--space-8:88px;--space-9:112px;--radius-control:14px;--radius-card:22px;--radius-feature:28px}
section{padding:96px 0}section.tight{padding:48px 0}
.page-hero{padding:64px 0 48px}.page-hero--compact{padding:52px 0 40px}.page-hero--compact h1{max-width:17ch}
.section-head{margin-bottom:36px}
.prose h2{margin-top:60px}
.card,.rail-card,.stack-item,.region-card,.area-card,.team-card,.field-card,.short-answer,.authorship,.foil-hub,.lib-notice{border-radius:var(--radius-card)}
.card,.team-card{padding:24px}.rail-card{padding:24px}
.scenario,.case-card,.hero-photo,.thick-viz,.map-panel,.coverage-module{border-radius:var(--radius-feature)}
.pc-form input,.field input,.field select,.tv-toggle{border-radius:var(--radius-control)}
.opt{min-height:52px}
/* header */
.nav-links a{white-space:nowrap}
@media(max-width:1180px){.nav-links{gap:18px}.nav-cta .btn--ghost{display:none}}
@media(max-width:1080px){.nav-links{display:none}.nav-toggle{display:flex}.mega{display:none}.phone-link{display:none}}
.mega-grid{padding:36px 0 40px;gap:30px}
/* footer */
.site-footer{padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr repeat(5,minmax(0,1fr));gap:32px;align-items:start}
.site-footer h4{margin:0 0 12px}
.fg summary{list-style:none;cursor:default}.fg summary::-webkit-details-marker{display:none}
.footer-legal{margin-top:40px;padding-top:24px;border-top:1px solid var(--line-dark);font-size:12.5px;color:var(--muted-light);line-height:1.6}
.footer-legal p{margin:0;max-width:1120px}
@media(max-width:1180px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr;row-gap:40px}}
@media(max-width:760px){.footer-grid{grid-template-columns:1fr 1fr;gap:24px}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr;gap:8px}.fg{border-top:1px solid var(--line-dark);padding:10px 0}.fg summary{cursor:pointer;display:flex;justify-content:space-between;align-items:center}.fg summary::after{content:"+";color:var(--muted-light);font-size:18px}.fg[open] summary::after{content:"–"}.fg summary h4{margin:0}.fg ul{padding-top:8px}}
/* balanced seven-card grids */
.survey-steps,.deep-grid--7{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:16px}
.survey-steps>li,.deep-grid--7>*{grid-column:span 3;min-height:160px;padding:24px}
.survey-steps>li:nth-child(n+5),.deep-grid--7>*:nth-child(n+5){grid-column:span 4}
.survey-steps b{font-size:16px}.survey-steps p{font-size:13.5px}
@media(max-width:900px){.survey-steps,.deep-grid--7{grid-template-columns:1fr 1fr}.survey-steps>li,.deep-grid--7>*,.survey-steps>li:nth-child(n+5),.deep-grid--7>*:nth-child(n+5){grid-column:auto;min-height:0}}
/* homepage composition */
.hero--photo{min-height:min(78vh,760px);padding:112px 0 72px}
.hero-copy h1{max-width:16ch}
@media(min-width:901px){.diag-grid{grid-template-columns:55fr 45fr;gap:60px;align-items:start}.diag-grid .house{align-self:start;padding-top:8px}.buildup-grid{grid-template-columns:44fr 56fr}}
.why-list li{padding:14px 0}
.belief-grid .btn{display:inline-flex}
.calc{align-items:start}.calc .result{position:sticky;top:96px}
.fund{align-items:stretch}.fund-card{display:flex;flex-direction:column}.fund-card .link,.fund-card a:last-child{margin-top:auto}
@media(max-width:800px){.faq--cols{grid-template-columns:1fr}}
.faq summary{max-width:64ch}
/* areas we cover: UK coverage visual */
.map-panel{background:radial-gradient(120% 90% at 30% 20%,#1B1F27,#0C0E12 70%);padding:40px;position:relative;min-height:520px;border:1px solid var(--line-dark)}
.uk-map{width:100%;max-width:440px;height:auto;display:block;margin:0 auto 96px}
.uk-land{fill:#232730;stroke:rgba(255,255,255,.14);stroke-width:1.2;stroke-linejoin:round}
.uk-pin{cursor:pointer}.uk-halo{opacity:0;transition:opacity .2s var(--ease)}.uk-dot{fill:#4D74FF;stroke:#0C0E12;stroke-width:2;transition:r .2s var(--ease),fill .2s var(--ease)}
.uk-label{fill:rgba(255,255,255,.7);font:600 11px Inter,system-ui,sans-serif;transition:fill .2s}
.uk-pin:hover .uk-halo,.uk-pin.on .uk-halo,.uk-pin:focus .uk-halo{opacity:1}.uk-pin:hover .uk-dot,.uk-pin.on .uk-dot{fill:#8DA6FF}.uk-pin:hover .uk-label,.uk-pin.on .uk-label{fill:#fff}
.map-card{position:absolute;left:40px;bottom:40px;right:40px;background:rgba(255,255,255,.06);border:1px solid var(--line-dark);border-radius:18px;padding:16px 18px;color:#fff;backdrop-filter:blur(10px)}
.map-card b{display:block;margin-bottom:2px}.map-card p{margin:0;font-size:13.5px;color:var(--muted-light)}.map-card a{color:#8DA6FF}
.region-cards{grid-template-columns:1fr 1fr;gap:12px}.region-card{border-radius:18px;padding:18px;transition:transform .2s var(--ease),border-color .2s}.region-card:hover{transform:translateY(-2px)}
.field-card{position:relative;padding:22px 22px 22px 22px}.field-icon{width:40px;height:52px;margin-bottom:10px}.field-icon svg{width:100%;height:100%}
.uk-map--compact{max-width:180px}
.region-anchor{display:grid;grid-template-columns:200px 1fr;gap:28px;align-items:center;margin:8px 0 18px}
.region-anchor-map{background:radial-gradient(120% 90% at 30% 20%,#1B1F27,#0C0E12 70%);border-radius:var(--radius-card);padding:14px}
.region-anchor-map .uk-label{display:none}.region-anchor-map .uk-pin:not(.on) .uk-dot{fill:rgba(255,255,255,.28);r:4}
.region-anchor h2{margin-top:0}
@media(max-width:700px){.region-anchor{grid-template-columns:1fr}.uk-map--compact{max-width:140px}}
@media(max-width:900px){.map-grid{grid-template-columns:1fr}.map-panel{order:2;min-height:0;padding:24px}.map-card{position:static;margin-top:16px}}
/* project library rhythm */
.scenarios{gap:36px}
.scenario:nth-child(even) .sc-media{order:2}.scenario:nth-child(even) .sc-body{order:1}
.scenario:nth-child(3n) {background:#111317;color:#fff;border-color:transparent}
.scenario:nth-child(3n) .sc-body h2,.scenario:nth-child(3n) .sc-body p,.scenario:nth-child(3n) .sc-body li{color:#fff}
.scenario:nth-child(3n) .sc-sub,.scenario:nth-child(3n) .sc-body h3{color:var(--muted-light)}
.scenario:nth-child(3n) .sc-check li,.scenario:nth-child(3n) .sc-note{background:rgba(255,255,255,.08);color:#F2F4F7}
.scenario:nth-child(3n) .sc-solutions div{border-color:rgba(255,255,255,.14)}.scenario:nth-child(3n) .sc-solutions span{color:var(--muted-light)}
.scenario:nth-child(3n) .sc-media{background:linear-gradient(160deg,#1B1F27,#2A2F3A)}
.scenario:nth-child(3n) .link{color:#8DA6FF}
.sc-media{background:linear-gradient(160deg,#151922,#232838)}
/* sticky bar: two actions by default, three only with a phone */
.sticky-bar{grid-template-columns:1fr 1fr}.sticky-bar.three{grid-template-columns:.8fr 1.2fr 1.2fr}
.sticky-bar a{white-space:nowrap;font-size:13.5px}
/* conversion surfaces */
.engine{max-width:700px;margin-inline:auto}
.book-head{margin-bottom:32px}
/* mobile */
@media(max-width:760px){
  section{padding:56px 0}section.tight{padding:34px 0}
  .page-hero,.page-hero--compact{padding:38px 0 32px}
  .section-head{margin-bottom:28px}
  .prose h2{margin-top:48px}
  .card,.team-card,.rail-card,.stack-item,.region-card,.field-card{padding:22px}
  .scenario{border-radius:var(--radius-card)}
  .hero--photo{padding:96px 0 56px;min-height:0}
  .scenario .sc-media,.scenario .sc-body{order:initial!important}
}
@media(max-width:560px){
  .survey-steps,.deep-grid--7,.foil-hub-grid,.regions,.region-cards--inline,.region-cards,.area-cards{grid-template-columns:1fr}
  .hero .trust-inline li:nth-child(n+4){display:none}
  .foil-hub-grid{gap:0}.foil-hub-grid>div{border-top:1px solid rgba(17,19,23,.08);padding:12px 0}
  .takeaways li,.sc-check li,.team-list li{font-size:12.5px;padding:6px 11px}
}
.buildup-grid>*,.diag-grid>*,.map-grid>*,.belief-grid>*{min-width:0}
.hv-tabs{flex-wrap:wrap}.heat-viz svg{max-width:100%}
@media(max-width:560px){.auth-grid--2{grid-template-columns:1fr}.auth-grid a,.deep-grid a{min-width:0}}

/* roof build-up: fill the column, keep labels inside the stage */
.buildup-grid>div:last-child{display:flex;flex-direction:column}
.buildup-grid .roof-buildup{grid-template-columns:1fr;gap:16px;flex:1}
.buildup-grid .rb-stage{background:rgba(255,255,255,.04);border:1px solid var(--line-dark);border-radius:var(--radius-card);padding:20px}
.buildup-grid .rb-stage svg{max-height:520px;margin:0 auto}
.rb-label{font-size:12.5px}
.rb-card{align-self:stretch}
@media(min-width:901px){.buildup-grid .rb-card{min-height:112px}}

.lead-in{font-size:18px;line-height:1.6;color:#3A3F49;margin:0 0 8px}
.intro-wide{font-size:19px;line-height:1.6;max-width:820px;margin:0 0 40px;color:#3A3F49}