:root{
  --ink:#07111f;
  --ink-soft:#132238;
  --navy:#173653;
  --slate:#506074;
  --paper:#f6f3ec;
  --paper-2:#fbfaf7;
  --white:#ffffff;
  --line:#d8dfe5;
  --line-dark:#28374a;
  --gold:#ad8754;
  --gold-soft:#d9c7a9;
  --mist:#e9eef2;
  --success:#2f6a5b;
  --danger:#8b4b42;
  --shadow:0 24px 70px rgba(7,17,31,.09);
  --max:1220px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper-2);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.56}
body::selection{background:var(--gold-soft);color:var(--ink)}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
.wrap{width:min(var(--max),92vw);margin:auto}
.wrap.narrow{width:min(940px,92vw)}
.serif{font-family:Georgia,"Times New Roman",serif}
.eyebrow{font-size:11px;letter-spacing:.22em;text-transform:uppercase;font-weight:800;color:var(--navy)}
.eyebrow.gold{color:var(--gold-soft)}
.kicker{font-size:12px;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:var(--gold)}
h1,h2,h3,h4{font-family:Georgia,"Times New Roman",serif;font-weight:500;line-height:1.04;margin:0}
h1{font-size:clamp(56px,8vw,112px);letter-spacing:-.052em}
h2{font-size:clamp(42px,5.4vw,74px);letter-spacing:-.036em}
h3{font-size:clamp(27px,3vw,40px);letter-spacing:-.022em}
p{margin:0}
.muted{color:var(--slate)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:11px;padding:14px 21px;border:1px solid var(--ink);font-size:12px;font-weight:760;letter-spacing:.04em;transition:.22s ease;cursor:pointer;background:transparent}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(7,17,31,.09)}
.btn.dark{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn.light{background:#fff;color:var(--ink);border-color:#fff}
.btn.ghost{color:#fff;border-color:rgba(255,255,255,.42)}
.link{font-size:12px;font-weight:780}
header{position:sticky;top:0;z-index:50;background:rgba(251,250,247,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(7,17,31,.08)}
.nav{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:26px}
.brand{display:flex;align-items:center;gap:14px}
.mark{width:40px;height:40px;border:1px solid var(--ink);display:grid;place-items:center;font-family:Georgia,serif;font-size:18px;font-weight:700}
.brandcopy b{display:block;font-size:13px;letter-spacing:.19em}.brandcopy span{display:block;font-size:10px;letter-spacing:.24em;color:var(--slate);margin-top:2px}
.navlinks{display:flex;align-items:center;gap:24px;font-size:12px;font-weight:650}
.navlinks>a:not(.btn){position:relative}
.navlinks>a:not(.btn)::after{content:"";position:absolute;left:0;right:100%;bottom:-7px;height:1px;background:var(--ink);transition:.22s}
.navlinks>a:not(.btn):hover::after{right:0}
.nav-toggle{display:none;border:0;background:none;font-size:22px}
.mobile-nav{display:none;padding:0 4vw 20px;border-top:1px solid var(--line)}
.mobile-nav.open{display:grid}
.mobile-nav a{padding:13px 0;border-bottom:1px solid var(--line);font-size:13px}
.hero{min-height:calc(100vh - 82px);display:flex;align-items:center;padding:92px 0 78px;position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::before,.hero::after{content:"";position:absolute;border:1px solid rgba(23,54,83,.08);border-radius:50%}
.hero::before{width:48vw;height:48vw;right:-9vw;top:2vh}
.hero::after{width:25vw;height:25vw;right:7vw;top:18vh}
.hero-grid{display:grid;grid-template-columns:1.32fr .68fr;gap:85px;align-items:end;position:relative;z-index:1}
.hero h1{max-width:1010px;margin:20px 0 28px}.hero h1 em{font-style:normal;color:var(--navy)}
.lede{font-size:20px;color:#475669;max-width:790px;line-height:1.68}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}
.hero-aside{border-left:1px solid var(--gold);padding-left:25px;color:#536173;font-size:14px}
.hero-index{margin-top:36px;border-top:1px solid var(--line)}
.hero-index div{display:grid;grid-template-columns:38px 1fr;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);font-size:12px}
.hero-index b{color:var(--gold);font-size:10px}
.band{background:var(--ink);color:#c8d2dd;padding:14px 0;overflow:hidden;white-space:nowrap}
.band-track{display:inline-flex;min-width:max-content;gap:46px;font-size:10px;letter-spacing:.2em;text-transform:uppercase;animation:marq 30s linear infinite}
@keyframes marq{to{transform:translateX(-50%)}}
section{padding:104px 0}
.section-head{display:grid;grid-template-columns:.58fr 1.42fr;gap:62px;margin-bottom:55px}
.section-head p{color:var(--slate);font-size:17px;line-height:1.72;max-width:720px;margin-top:18px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);border-left:1px solid var(--line);border-top:1px solid var(--line)}
.card{background:rgba(255,255,255,.45);border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:32px 28px;min-height:315px;display:flex;flex-direction:column;transition:.22s}
.card:hover{background:#fff;transform:translateY(-3px);box-shadow:var(--shadow)}
.card .num{font-size:10px;letter-spacing:.16em;color:var(--gold);font-weight:800}
.card h3{font-size:28px;margin:54px 0 16px}.card p{font-size:14px;color:var(--slate)}.card .link{margin-top:auto;padding-top:28px}
.dark-section{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.dark-section::before{content:"";position:absolute;left:-12vw;bottom:-26vw;width:58vw;height:58vw;border:1px solid rgba(255,255,255,.07);border-radius:50%}
.split{display:grid;grid-template-columns:1fr 1fr;gap:86px;align-items:center;position:relative;z-index:1}
.dark-section h2{font-size:clamp(54px,7vw,92px)}.dark-section p{color:#c8d3df;font-size:18px;line-height:1.7}
.leak-grid{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid rgba(255,255,255,.18);margin-top:30px}
.leak{padding:15px 0;border-bottom:1px solid rgba(255,255,255,.13);font-size:13px}
.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.step{background:var(--paper-2);padding:27px 19px;min-height:205px}.step b{font-size:10px;color:var(--gold)}.step h4{font-family:inherit;font-size:13px;font-weight:800;letter-spacing:.08em;margin:52px 0 12px}.step p{font-size:12px;color:var(--slate)}
.industry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.industry{border:1px solid var(--line);background:#fff;padding:31px;min-height:245px;transition:.22s}.industry:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.industry small{font-size:10px;letter-spacing:.15em;color:var(--gold);font-weight:800}.industry h3{font-size:31px;margin:42px 0 15px}.industry p{font-size:13px;color:var(--slate)}
.score-section{background:var(--mist)}
.score-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:82px;align-items:center}
.score-copy p{font-size:17px;color:var(--slate);line-height:1.72;margin:22px 0 30px}
.scorecard{background:#fff;border:1px solid var(--line);padding:38px;box-shadow:var(--shadow)}
.score-top{display:flex;justify-content:space-between;align-items:end;border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:24px}.score-top strong{font-family:Georgia,serif;font-size:72px;font-weight:500;line-height:.9}.score-top small{font-size:10px;letter-spacing:.14em;color:var(--slate)}
.metric{display:grid;grid-template-columns:1fr 1.7fr 34px;gap:12px;align-items:center;font-size:11px;margin:13px 0}.bar{height:5px;background:#e6ebef}.fill{height:100%;background:var(--navy)}
.engagements{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.eng{border:1px solid var(--line);background:#fff;padding:37px;min-height:330px}.eng b{font-size:10px;letter-spacing:.15em;color:var(--gold)}.eng h3{font-size:33px;margin:54px 0 17px}.eng p{font-size:14px;color:var(--slate)}
.insights-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}.feature{background:var(--mist);padding:48px;min-height:410px}.feature h3{font-size:46px;margin:78px 0 16px}.feature p{color:var(--slate);max-width:640px}.publication{background:var(--navy);color:#fff;padding:38px;min-height:410px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}.publication::after{content:"";position:absolute;right:-70px;top:-70px;width:220px;height:220px;border:1px solid rgba(255,255,255,.14);border-radius:50%}.publication small{font-size:10px;letter-spacing:.16em;color:var(--gold-soft);font-weight:800}.publication h3{font-size:38px}.publication p{font-size:14px;color:#c8d4df}
.quote{background:var(--paper);text-align:center;padding:110px 0}.quote blockquote{font-family:Georgia,serif;font-size:clamp(38px,5vw,66px);line-height:1.15;letter-spacing:-.03em;max-width:1030px;margin:0 auto}
.institution{background:#fff}.institution-grid{display:grid;grid-template-columns:1fr 1fr;gap:76px;align-items:center}.institution p{font-size:17px;color:var(--slate);line-height:1.75;margin:20px 0 28px}.institution-card{border:1px solid var(--line);background:var(--paper-2);padding:43px}.institution-card .big{font-family:Georgia,serif;font-size:50px;line-height:1.06}.institution-card p{font-size:13px}
.cta{background:#07111f;color:#fff;text-align:center;padding:118px 0}.cta h2{max-width:980px;margin:18px auto 24px;font-size:clamp(50px,7vw,88px)}.cta p{max-width:690px;color:#c6d1dc;font-size:18px;line-height:1.72;margin:0 auto 32px}
.page-hero{padding:104px 0 82px;border-bottom:1px solid var(--line)}.page-hero h1{font-size:clamp(55px,7vw,96px);max-width:1070px;margin:18px 0 24px}.page-hero p{font-size:19px;color:var(--slate);line-height:1.7;max-width:790px}
.subnav{border-bottom:1px solid var(--line);background:#fff}.subnav .wrap{display:flex;gap:26px;overflow:auto;white-space:nowrap;padding:14px 0;font-size:11px;font-weight:760}
.rich{max-width:860px}.rich h2{font-size:49px;margin:72px 0 20px}.rich h3{font-size:31px;margin:48px 0 15px}.rich p{font-size:17px;color:#4e5c6e;line-height:1.82;margin:16px 0}.rich ul{color:#4e5c6e;line-height:1.9}
.pillars{display:grid;grid-template-columns:1fr 1fr;gap:18px}.pillar{border:1px solid var(--line);background:#fff;padding:30px;min-height:230px}.pillar b{font-size:10px;color:var(--gold);letter-spacing:.14em}.pillar h3{font-size:30px;margin:35px 0 13px}.pillar p{font-size:13px;color:var(--slate)}
.hvac-hero{background:linear-gradient(180deg,#eef2f3 0,#fbfaf7 100%)}
.hvac-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center}
.hvac-visual{border:1px solid var(--line);background:#fff;padding:30px;box-shadow:var(--shadow)}
.flow-row{display:grid;grid-template-columns:1fr auto 1fr;gap:10px;align-items:center;padding:15px 0;border-bottom:1px solid var(--line);font-size:12px}.flow-row:last-child{border-bottom:0}.flow-row span:nth-child(2){color:var(--gold);font-weight:800}
.calc-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:30px;align-items:start}
.calc-panel,.result-panel{border:1px solid var(--line);background:#fff;padding:34px}.calc-panel label{display:block;font-size:11px;font-weight:760;margin:16px 0 7px}.calc-panel input,.calc-panel select{width:100%;padding:14px;border:1px solid var(--line);background:#fbfbfa;color:var(--ink)}
.result-value{font-family:Georgia,serif;font-size:62px;letter-spacing:-.04em}.result-sub{color:var(--slate);font-size:13px}.scenario{display:grid;grid-template-columns:1fr auto;gap:20px;padding:16px 0;border-bottom:1px solid var(--line);font-size:13px}
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.article{border:1px solid var(--line);background:#fff;padding:29px;min-height:290px;display:flex;flex-direction:column}.article small{font-size:10px;color:var(--gold);letter-spacing:.14em;font-weight:800}.article h3{font-size:28px;margin:40px 0 14px}.article p{font-size:13px;color:var(--slate)}.article .link{margin-top:auto;padding-top:25px}
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px}.about-aside{border-left:1px solid var(--gold);padding-left:27px;height:max-content}.about-aside div{padding:16px 0;border-bottom:1px solid var(--line)}.about-aside b{display:block;font-size:10px;letter-spacing:.14em;color:var(--gold);margin-bottom:7px}
.contact-panel{display:grid;grid-template-columns:.75fr 1.25fr;gap:58px;border:1px solid var(--line);background:#fff;padding:45px}.contact-panel p{color:var(--slate);margin-top:18px}
form{display:grid;grid-template-columns:1fr 1fr;gap:14px}input,select,textarea{width:100%;padding:15px;border:1px solid var(--line);background:#fbfbfa;color:var(--ink)}textarea{min-height:130px;resize:vertical;grid-column:1/-1}.full{grid-column:1/-1}.form-note{grid-column:1/-1;font-size:10px;color:var(--slate)}
footer{background:#050b13;color:#aeb9c5;padding:64px 0 30px}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,1fr);gap:44px}footer b{color:#fff;font-size:12px}footer a{display:block;font-size:12px;margin:10px 0}footer p{font-size:12px;max-width:330px;margin-top:18px}.legal{border-top:1px solid #202c39;margin-top:46px;padding-top:22px;font-size:10px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@media(max-width:980px){
  .navlinks{display:none}.nav-toggle{display:block}
  .hero-grid,.section-head,.split,.score-wrap,.institution-grid,.insights-grid,.hvac-grid,.calc-layout,.about-grid,.contact-panel{grid-template-columns:1fr}
  .grid4{grid-template-columns:1fr 1fr}.steps{grid-template-columns:repeat(3,1fr)}.industry-grid,.article-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}
  .hero{min-height:auto;padding:76px 0}
}
@media(max-width:620px){
  .grid4,.steps,.industry-grid,.article-grid,.pillars,.footer-grid{grid-template-columns:1fr}
  .nav{min-height:70px}.brandcopy span{display:none}
  section{padding:76px 0}.page-hero{padding:72px 0 58px}
  .actions{flex-direction:column}.actions .btn{width:100%}
  .leak-grid{grid-template-columns:1fr}
  form{grid-template-columns:1fr}.full,textarea,.form-note{grid-column:auto}
  .scorecard,.calc-panel,.result-panel,.contact-panel{padding:24px}
}

.capital-callout{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:54px 0}.capital-callout .box{border-left:1px solid var(--gold);padding-left:28px}.capital-callout .box p{color:var(--muted);font-size:16px;line-height:1.75}.capital-callout h3{font-size:42px}.capital-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.capital-flow .step{min-height:180px}.disclosure{background:#f2eee5;border:1px solid #e1d6c5;padding:22px;font-size:11px;color:#5c594f;line-height:1.7}.rich{max-width:860px}.rich h2{font-size:49px;margin:72px 0 20px}.rich p{font-size:17px;color:#4e5c6e;line-height:1.82;margin:16px 0}@media(max-width:980px){.capital-callout{grid-template-columns:1fr}.capital-flow{grid-template-columns:1fr 1fr}}@media(max-width:620px){.capital-flow{grid-template-columns:1fr}}