@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--ink:#142c30;--deep:#102329;--soft:#6d7c7c;--line:#dce4e0;--lime:#d6edaa;--paper:#f5f7f2;--white:#fff;--teal:#477d77}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',Arial,sans-serif;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3{font-family:Manrope,Arial,sans-serif;letter-spacing:-.045em}a{color:inherit;text-decoration:none}button{font:inherit}a:focus-visible,button:focus-visible{outline:3px solid #75bcb0;outline-offset:4px}.wrap{max-width:1230px;margin:auto;padding-left:34px;padding-right:34px}.eyebrow{text-transform:uppercase;font-size:11px;font-weight:800;letter-spacing:.19em}.muted{color:#738583}.btn{display:inline-flex;align-items:center;justify-content:center;gap:14px;padding:15px 23px;border-radius:3px;font-weight:700;font-size:13px;transition:.25s;border:1px solid transparent;cursor:pointer}.btn:hover{transform:translateY(-2px)}.btn.light{background:var(--lime);color:var(--deep)}.btn.dark{background:var(--deep);color:white}.btn.outline{border-color:#8a9e99;color:white}.btn.outline-dark{border-color:#b7c9c1;color:var(--deep)}header{position:absolute;top:0;left:0;right:0;z-index:20;color:white}header .nav{height:92px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.18)}.brand{font-family:Manrope;font-weight:800;letter-spacing:.28em;font-size:19px}.brand span{color:#d6edaa}.links{display:flex;gap:29px;align-items:center}.links a{font-size:12px;font-weight:600;color:#e3ece8}.links a:hover{color:var(--lime)}.links .contactnav{padding:11px 17px;border:1px solid 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p{font-size:17px;line-height:1.8;max-width:555px;color:#bdd0ca}.actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:36px}.hero-art{min-height:490px;position:relative;display:flex;align-items:center;justify-content:center}.orb{width:410px;height:410px;border:1px solid #ffffff35;border-radius:50%;position:relative;display:grid;place-items:center;background:radial-gradient(circle,#507f7045,#264c4b20 50%,transparent 75%)}.orb:before,.orb:after{content:"";position:absolute;border:1px dashed #d1e2b65f;border-radius:50%;inset:40px}.orb:after{inset:95px;border-style:solid;opacity:.7}.building{position:relative;width:165px;height:255px;border:1px solid #a1c0b6;background:linear-gradient(145deg,#729a8b3b,#193a39);transform:skewY(-8deg);box-shadow:20px 22px 0 -3px #0b222a,21px 22px 0 -2px #66887f}.building:after{content:"";position:absolute;inset:25px;opacity:.68;background:repeating-linear-gradient(90deg,transparent 0 33px,#b3d2c3 34px 35px),repeating-linear-gradient(0deg,transparent 0 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h2{max-width:750px;margin-bottom:0}.kicker{color:#45857a}.problem-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.problem{border:1px solid var(--line);min-height:245px;background:#fff;padding:30px 24px;transition:.25s}.problem:hover{box-shadow:0 15px 40px #14372c10;transform:translateY(-4px)}.problem .num{font-size:12px;color:var(--teal);font-weight:700}.problem h3{font-size:18px;line-height:1.4;letter-spacing:-.02em;margin:34px 0 10px}.problem p{font-size:13px;line-height:1.75;color:#74837e;margin:0}.method{background:#e9efea}.method-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}.method-visual{height:445px;background:var(--deep);position:relative;overflow:hidden;border-radius:2px;display:grid;place-items:center}.method-visual:before{content:"";position:absolute;width:490px;height:490px;border-radius:50%;border:1px solid #add8be45;box-shadow:0 0 0 55px #d6edaa07,0 0 0 110px 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h2{font-size:clamp(32px,4vw,53px);max-width:760px;margin:14px 0}.cta p{font-size:15px;color:#526c60;max-width:650px;line-height:1.8;margin-bottom:0}footer{background:#0c1c21;color:#c0d3cc;padding:55px 0 30px}.footer-grid{display:flex;justify-content:space-between;gap:35px;align-items:start}footer .brand{color:white}footer p{font-size:13px;line-height:1.7;max-width:450px;color:#8fa8a0}footer .footlinks{display:flex;gap:20px;flex-wrap:wrap;font-size:12px}.fineprint{border-top:1px solid #294044;margin-top:60px;padding-top:20px;font-size:11px;color:#749087}.svg-line{stroke:#b2cec2;stroke-width:1.5;fill:none}.svg-fill{fill:#c8ded0}.svg-muted{fill:#87ab9e}.tag{display:inline-block;font-size:10px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;background:#e3ede6;color:#457d6c;padding:7px 9px}.tag.invert{background:#33594e;color:#def0cc}@media(max-width:1000px){.links{gap:13px}.links a{font-size:11px}.hero-grid{grid-template-columns:1fr 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article{padding:20px 15px}.case-text{padding:35px 26px}.case-graphic{min-height:250px}.cta-grid,.footer-grid{display:block}.cta .btn{margin-top:24px}.footlinks{margin-top:35px}.orb{display:none}}@media(max-width:420px){.designers-cards{grid-template-columns:1fr}.problem-grid{grid-template-columns:1fr}.hero h1{font-size:39px}}

/* Secondary-page system */
header.inner{position:relative;background:var(--deep)}header.inner .nav{border-bottom:1px solid #3a5350}.subhero{background:var(--deep);color:white;padding:86px 0 98px;position:relative;overflow:hidden}.subhero:after{content:"";position:absolute;width:650px;height:650px;border:1px solid #ffffff1e;border-radius:50%;right:-130px;top:-250px;box-shadow:0 0 0 85px #ffffff08,0 0 0 170px #ffffff06;pointer-events:none}.subhero .wrap{position:relative;z-index:1}.subhero h1{font-size:clamp(38px,5vw,70px);font-weight:600;line-height:1.11;max-width:980px;margin:23px 0}.subhero h1 em{color:var(--lime);font-style:normal}.subhero p{color:#c2d2cb;font-size:18px;line-height:1.8;max-width:820px}.breadcrumb{font-size:12px;color:#b7cec4;margin-bottom:22px}.breadcrumb a{color:var(--lime)}.introstrip{border-bottom:1px solid var(--line);padding:29px 0;background:#e8efea}.introstrip .wrap{display:flex;justify-content:space-between;gap:40px;align-items:center}.introstrip p{margin:0;max-width:780px;line-height:1.75;color:#536c63}.content-layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(260px,.7fr);gap:78px;align-items:start}.article-copy h2{font-size:clamp(27px,3vw,42px);margin:0 0 22px}.article-copy h3{font-size:23px;margin:33px 0 13px}.article-copy p,.article-copy li{font-size:16px;line-height:1.88;color:#587067}.article-copy ul{padding-left:22px}.article-copy li{padding:3px 0}.sidepanel{position:sticky;top:25px;background:white;border:1px solid var(--line);padding:30px}.sidepanel h3{font-size:18px;margin:0 0 20px}.sidepanel a:not(.btn){display:block;padding:12px 0;border-top:1px solid var(--line);font-size:13px;color:#486b61}.sidepanel .btn{margin-top:22px;width:100%}.section.tight{padding:75px 0}.cards3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.info-card{background:#fff;border:1px solid var(--line);padding:29px;min-height:200px}.info-card b{display:block;font-size:12px;letter-spacing:.12em;color:#528277;margin-bottom:21px}.info-card h3{font-size:19px;margin-bottom:13px}.info-card p{font-size:14px;line-height:1.72;color:#6a7e74}.softblock{background:#e8efea}.decision{padding:34px;border-left:4px solid #729b86;background:#edf3e9;margin:27px 0}.decision p{margin-bottom:0}.status{display:inline-flex;color:#cfe5d5;font-size:11px;border:1px solid #64847b;padding:9px 13px;letter-spacing:.06em;text-transform:uppercase}.related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.related a{display:block;padding:27px;border:1px solid #cad9d0;background:white;min-height:145px}.related a:hover{background:#edf4ec}.related strong{display:block;font-size:18px;margin-bottom:11px}.related span{font-size:13px;color:#71877c}.disclaimer{font-size:13px!important;color:#71877c!important}.mobile-actions{display:none}@media(max-width:850px){.content-layout{grid-template-columns:1fr;gap:35px}.sidepanel{position:static}.cards3,.related{grid-template-columns:1fr 1fr}.introstrip .wrap{display:block}.subhero{padding:65px 0 75px}}@media(max-width:570px){.cards3,.related{grid-template-columns:1fr}.subhero h1{font-size:39px}.subhero p{font-size:16px}.info-card{min-height:0}}
/* Sentinel — corporate footer */
footer .footer-grid{display:grid;grid-template-columns:1.3fr 1fr .65fr;gap:45px}footer .footer-identity p{max-width:385px}footer .trademark-note{color:#d6e5df;font-size:12px;margin-top:22px}footer .footer-company strong{display:block;color:#fff;font-size:14px;margin-bottom:12px}footer .footer-company address{font-style:normal;font-size:13px;color:#9bb3aa;line-height:1.8}footer .footer-company p{margin:12px 0 0}footer .footer-company a:hover,footer .footlinks a:hover{color:#d6edaa}footer .footlinks{display:flex;flex-direction:column;gap:12px;align-items:flex-start}@media(max-width:800px){footer .footer-grid{grid-template-columns:1fr 1fr;gap:30px}footer .footlinks{grid-column:1/-1;flex-direction:row;gap:16px}}@media(max-width:540px){footer .footer-grid{grid-template-columns:1fr}footer .footlinks{grid-column:auto}footer .fineprint{margin-top:35px}}

/* Retrofit landing */
.retrofit-hero{background:radial-gradient(circle at 87% 48%,#315b54 0%,#102329 55%);padding:100px 0 115px}.retrofit-hero:after{width:800px;height:800px;right:-170px;top:-320px}.retrofit-hero h1{max-width:1050px}.retrofit-hero .actions{margin-top:30px}.retro-table-wrap{margin-top:42px;border:1px solid var(--line);background:#fff}.retro-table-head,.retro-row{display:grid;grid-template-columns:minmax(150px,.9fr) minmax(0,2.2fr) minmax(210px,1.2fr) minmax(120px,.55fr);gap:24px;align-items:start}.retro-table-head{padding:18px 26px;background:#eff4f0;border-bottom:1px solid var(--line);font-size:11px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:#5f7e73}.retro-table{display:flex;flex-direction:column}.retro-row{padding:26px;border-bottom:1px solid var(--line)}.retro-row:last-child{border-bottom:0}.retro-area{display:flex;flex-direction:column;gap:10px}.retro-index{display:inline-flex;align-self:flex-start;background:#e5efe8;color:#497a6d;font-size:11px;font-weight:800;letter-spacing:.13em;padding:8px 10px;border-radius:999px}.retro-label{font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:#21443b}.retro-main h3{font-size:22px;line-height:1.35;margin:0 0 10px}.retro-main p{font-size:14px;line-height:1.85;color:#657a70;margin:0}.retro-tags{display:flex;flex-wrap:wrap;gap:8px;align-content:flex-start}.retro-tags span{font-size:11px;background:#edf3ed;padding:8px 10px;color:#557b6d;border-radius:999px}.retro-link{display:flex;align-items:flex-start;justify-content:flex-end;height:100%}.retro-link a{font-size:12px;font-weight:800;color:#336f63;white-space:nowrap}.retro-link a:hover{text-decoration:underline}.retro-contexts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:40px}.retro-contexts article{border-top:2px solid #7ca595;padding:22px 10px 0 0}.retro-contexts span{font-size:11px;color:#618376;font-weight:800}.retro-contexts h3{font-size:19px;margin:25px 0 12px}.retro-contexts p{font-size:14px;line-height:1.8;color:#677a72}.retro-steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-top:43px}.retro-steps article{padding:24px 19px;border-top:2px solid #568575;background:#fff}.retro-steps b{color:#4c8b79;font-size:12px}.retro-steps h3{font-size:17px;margin:25px 0 9px;letter-spacing:-.02em}.retro-steps p{font-size:13px;line-height:1.75;color:#667b72;margin:0}.retro-method-note{font-size:12px;color:#718278;margin-top:18px}.retro-benefits{border-top:1px solid #56746d}.retro-benefits>div{border-bottom:1px solid #56746d;padding:22px 3px}.retro-benefits strong{font-size:17px;color:#e5f4e6}.retro-benefits p{font-size:13px;color:#adcbc0;line-height:1.7;margin:8px 0 0}.retro-research{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;margin:34px 0}.retro-research>div{padding:28px;background:#e9f0ea}.retro-research span{font-size:10px;color:#4c8271;font-weight:800;letter-spacing:.12em}.retro-research h3{font-size:19px;margin:19px 0 9px}.retro-research p{font-size:13px;line-height:1.8;color:#667b70}.retro-caveat{border-left:3px solid #608a7c;background:#eff4eb;padding:23px 27px;font-size:13px;line-height:1.85;color:#4f6d60;margin-bottom:24px}.retro-caveat strong{color:#193d33}.links a[aria-current="page"]{color:var(--lime)}
@media(max-width:1050px){.retro-table-head,.retro-row{grid-template-columns:minmax(120px,.8fr) minmax(0,1.8fr) minmax(180px,1fr) 110px}.retro-contexts{grid-template-columns:repeat(2,minmax(0,1fr))}.retro-steps{grid-template-columns:repeat(3,minmax(0,1fr))}.links{gap:16px}}
@media(max-width:860px){.retro-table-head{display:none}.retro-row{grid-template-columns:1fr;gap:14px}.retro-link{justify-content:flex-start}.retro-area{flex-direction:row;align-items:center;flex-wrap:wrap}}
@media(max-width:740px){.retrofit-hero{padding:72px 0 85px}.retro-contexts,.retro-research{grid-template-columns:1fr}.retro-steps{grid-template-columns:1fr}.retro-contexts{gap:22px}.retrofit-hero h1{font-size:39px}.retro-row{padding:22px}}