:root{--ink:#08254b;--green:#082e5b;--soft:#f5f7fa;--muted:#627082}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:white;font-size:1rem;line-height:1.55}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}:focus-visible{outline:3px solid #69a78b;outline-offset:5px}header{height:88px;max-width:1440px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:0 6%;gap:25px}.brand{font-size:1.875rem;font-weight:800;letter-spacing:-1.7px;display:inline-flex;align-items:baseline}.brand span{font-weight:400;margin-left:5px}.brand i{display:block;width:7px;height:7px;background:var(--green);border-radius:50%;margin-left:3px}nav{display:flex;gap:34px;font-size:0.875rem}.button{display:inline-block;border:0;border-radius:30px;background:var(--green);color:white;padding:15px 25px;font-weight:600;font-size:0.875rem;cursor:pointer;transition:background .2s,transform .2s}.button:hover{background:#12467a;transform:translateY(-2px)}.button.small{padding:11px 21px}.hero{text-align:center;padding-top:55px}.eyebrow{font-size:0.75rem;font-weight:700;letter-spacing:2px;margin:0 0 24px}h1,h2,h3,p{overflow-wrap:break-word}h1{font-size:clamp(3.25rem,6.4vw,5.625rem);line-height:1.04;letter-spacing:-4.5px;margin:0;font-weight:600}h1 span{color:#76837b}.intro{color:var(--muted);font-size:1.1875rem;line-height:1.6;margin:25px 0}.hero-actions{display:flex;gap:26px;align-items:center;justify-content:center;margin:30px 0 42px}.text-link{font-size:0.875rem;color:var(--green);border-bottom:1px solid #96b4a3;padding:4px 0}.hero-photo{position:relative;margin:0 3%;height:clamp(300px,38vw,570px);overflow:hidden;border-radius:8px}.hero-photo img{height:100%;width:100%;object-fit:cover;object-position:50% 58%}.caption{position:absolute;bottom:12px;right:15px;color:white;background:#17281eaa;border-radius:4px;padding:4px 8px;font-size:0.75rem}.wrap{max-width:1280px;margin:auto;padding-left:6%;padding-right:6%}.statement{text-align:center;padding-top:105px;padding-bottom:105px;max-width:900px}.statement h2{margin:0 auto 24px}.statement>p:last-child{max-width:620px;margin:0 auto;color:var(--muted);font-size:1.1875rem}h2{font-size:clamp(2.25rem,4.2vw,3.625rem);line-height:1.1;letter-spacing:-2px;font-weight:600;margin:0}h3{font-size:1.5rem;letter-spacing:-.6px;line-height:1.25;margin:0 0 20px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:60px;margin-bottom:42px}.section-heading>p{max-width:430px;color:var(--muted);margin:0}.solutions{padding-bottom:105px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.cards article{background:var(--soft);padding:34px;min-height:335px;border-radius:12px;display:flex;flex-direction:column}.card-number{font-size:0.75rem;letter-spacing:1.6px;color:var(--muted);margin-bottom:48px}.cards h3{font-size:2.375rem;margin:0 0 16px;letter-spacing:-1.2px}.cards p{color:var(--muted);font-size:1rem;margin:0 0 28px}.cards a{margin-top:auto;font-weight:600;font-size:0.875rem;text-decoration:underline;text-underline-offset:6px}.cards .dark{background:#08254b;color:white}.cards .green{background:#fff4df}.dark .card-number,.dark p{color:#bccbc2}.day-section{background:var(--soft);padding:90px 0}.day-layout{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.day-layout>div>p:not(.eyebrow){max-width:450px;color:var(--muted);margin:25px 0}.tabs{display:flex;gap:5px;background:#e7ece9;border-radius:28px;padding:5px;width:fit-content;margin-top:30px}.tabs button{border:0;background:transparent;border-radius:24px;padding:11px 15px;font-size:0.875rem;cursor:pointer;color:var(--muted)}.tabs [aria-selected=true]{background:white;color:var(--ink);box-shadow:0 2px 8px #0000000b}.day-panel{background:white;padding:42px;border-radius:18px;min-height:350px}.day-panel h3{font-size:2.125rem}.day-panel>p:not(.eyebrow){font-size:1rem!important}.flow{display:flex;align-items:center;gap:16px;border-top:1px solid #e0e7e3;padding-top:25px;margin-top:30px;color:var(--green);font-size:1rem}.flow span{background:#eef5f0;padding:9px 14px;border-radius:8px}.flow b{font-weight:400}.approach{padding-top:100px;padding-bottom:100px}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:60px}.steps span{display:block;font-size:0.875rem;color:var(--green);border-top:1px solid #ced9d2;padding-top:20px;margin-bottom:25px}.steps h3{font-size:1.3125rem}.steps p{color:var(--muted);font-size:0.9375rem}.faq{padding-bottom:100px;display:grid;grid-template-columns:1fr 1.3fr;gap:65px}details{border-bottom:1px solid #dce4df;padding:23px 0}details:first-child{border-top:1px solid #dce4df}summary{list-style:none;cursor:pointer;font-size:1.125rem;font-weight:500;display:flex;justify-content:space-between;gap:20px}summary::after{content:'+';color:var(--green);font-size:1.375rem}details[open] summary::after{content:'−'}details p{color:var(--muted);font-size:1rem;max-width:600px}details a{text-decoration:underline}.quote-section{padding:90px 0;background:#eaf0ec}.quote-layout{display:grid;grid-template-columns:1fr 1.2fr;gap:80px}.quote-layout>div>p:not(.eyebrow){color:var(--muted);margin-top:25px}.preview-note{font-size:0.875rem;max-width:340px;border-left:2px solid #97b3a2;padding-left:15px;margin-top:40px!important}label{display:block;font-size:0.875rem;font-weight:600;margin-bottom:20px}label span{font-weight:400;color:var(--muted)}input,select,textarea{display:block;width:100%;border:1px solid #cbd7cf;border-radius:7px;background:#fff;padding:13px 14px;margin-top:8px;color:var(--ink);font-size:1rem}textarea{resize:vertical}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}form .button{margin-top:4px}#enquiry-result{margin-top:30px;border-top:1px solid #b9ccc0;padding-top:25px}#enquiry-result h3{font-size:1.375rem;margin-bottom:8px}#enquiry-result p{font-size:0.875rem}.copy-button{background:white;border:1px solid #adc4b6;border-radius:8px;padding:10px 15px;cursor:pointer;margin-top:10px}#copy-status{font-size:0.875rem;margin-left:10px}footer{padding-top:45px;padding-bottom:45px;display:flex;gap:30px;align-items:center;flex-wrap:wrap}footer p{font-size:0.875rem;color:var(--muted)}footer>span{font-size:0.75rem;color:var(--muted);margin-left:auto}@media(max-width:800px){header{height:75px;padding:0 5%}nav{display:none}.brand{font-size:1.6875rem}.hero{padding-top:42px}h1{letter-spacing:-2.5px}.intro{font-size:1.0625rem}.hero-actions{gap:18px;flex-direction:column;margin-bottom:30px}.hero-photo{margin:0 4%;height:360px}.wrap{padding-left:7%;padding-right:7%}.statement{padding-top:70px;padding-bottom:70px}.statement>p:last-child{font-size:1.0625rem}.section-heading{display:block}.section-heading>p{margin-top:25px}.cards{grid-template-columns:1fr}.cards article{min-height:280px;padding:28px}.card-number{margin-bottom:28px}.solutions{padding-bottom:65px}.day-layout,.quote-layout,.faq{grid-template-columns:1fr;gap:35px}.day-section{padding:65px 0}.day-panel{padding:28px;min-height:350px}.steps{grid-template-columns:1fr 1fr;gap:25px}.approach{padding-top:65px;padding-bottom:65px}.faq{padding-bottom:65px}.quote-section{padding:65px 0}.preview-note{margin-top:25px!important}.form-grid{grid-template-columns:1fr}footer{gap:12px}footer>span{margin-left:0;width:100%}.caption{font-size:0.75rem;left:12px;right:auto}.eyebrow{letter-spacing:1.4px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Official DE Energy assets: preserve supplied artwork. */
.brand{letter-spacing:normal;line-height:1;flex-shrink:0;align-items:center}.brand img{display:block;width:230px;height:auto;object-fit:contain}footer .brand img{width:205px}.button:focus-visible{outline-color:#ffae00}.cards .green .card-number{color:#94600a}@media(max-width:800px){.brand img{width:190px}header{gap:10px}header .button.small{padding:10px 15px}}@media(max-width:380px){.brand img{width:160px}}

/* Case studies: independent editorial page. */
nav [aria-current=page]{color:var(--green);text-decoration:underline;text-underline-offset:8px}header nav{gap:26px}.case-intro{display:grid;grid-template-columns:1.2fr 1fr;gap:70px;align-items:center;padding-top:65px;padding-bottom:75px;margin-bottom:90px;border-top:1px solid #dce4e9;border-bottom:1px solid #dce4e9}.case-intro p:not(.eyebrow){color:var(--muted);font-size:1.125rem;margin:0 0 24px;max-width:390px}.case-hero{padding-top:35px;padding-bottom:70px}.breadcrumb{display:block;color:var(--muted);font-size:0.875rem;margin-bottom:50px}.case-hero h1{font-size:clamp(2.875rem,6vw,5rem);letter-spacing:-3px;max-width:1000px}.case-hero h1 span{color:#687b93}.case-lead{font-size:1.3125rem;color:var(--muted);margin:27px 0 0}.project-status{border-top:1px solid #d8e1e9;border-bottom:1px solid #d8e1e9;padding:44px 0;display:grid;grid-template-columns:1.4fr 1fr;gap:70px;align-items:end}.status-label{font-size:0.75rem;letter-spacing:1.8px;color:#8a5a00;display:block;margin-bottom:22px}.project-status h2{font-size:2.375rem}.project-status p{color:var(--muted);max-width:550px}.status-aside{padding-bottom:15px;border-left:2px solid #ffc149;padding-left:30px}.status-aside p{font-size:0.9375rem}.case-editorial{display:grid;grid-template-columns:1.4fr 1fr;gap:65px;align-items:center;padding-top:85px;padding-bottom:85px}.case-image{position:relative;overflow:hidden;border-radius:14px}.case-image img{display:block;width:100%;height:420px;object-fit:cover;object-position:65% 50%}.case-image .caption{left:12px;right:12px;text-align:center}.case-editorial-copy h2{font-size:2.6875rem}.case-editorial-copy>p:last-child{color:var(--muted);font-size:1.125rem;margin-top:25px}.case-contents{padding-bottom:85px}.case-topics{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:35px}.case-topics span{display:block;color:#8a5a00;font-size:0.875rem;margin-bottom:25px;border-top:1px solid #dce4e9;padding-top:20px}.case-topics h3{font-size:1.375rem}.case-topics p{color:var(--muted);font-size:1rem}.case-cta{background:#f4f6f9;text-align:center;padding:80px 0}.case-cta p:not(.eyebrow){color:var(--muted);margin:25px 0}.case-cta .button{margin-top:6px}@media(max-width:900px){header nav{gap:16px;font-size:0.8125rem}}@media(max-width:800px){.case-intro,.project-status,.case-editorial{grid-template-columns:1fr;gap:30px}.case-intro{margin-bottom:65px;padding-top:45px;padding-bottom:45px}.case-hero{padding-top:20px;padding-bottom:45px}.breadcrumb{margin-bottom:35px}.case-hero h1{letter-spacing:-2px}.case-lead{font-size:1.125rem}.project-status{padding:35px 0}.project-status h2{font-size:2rem}.status-aside{padding-bottom:0}.case-editorial{padding-top:55px;padding-bottom:55px}.case-image img{height:340px}.case-editorial-copy h2{font-size:2.25rem}.case-topics{grid-template-columns:1fr 1fr;gap:22px}.case-contents{padding-bottom:55px}.case-cta{padding:60px 0}}@media(max-width:420px){.case-topics{grid-template-columns:1fr}.case-image .caption{font-size:0.75rem}.case-image img{height:300px}}

.mobile-menu{display:none}@media(max-width:800px){header{position:relative;flex-wrap:wrap;height:auto;min-height:80px;padding-top:6px;padding-bottom:6px}header>.button.small{margin-left:auto}.mobile-menu{display:block;border:0;padding:0;width:100%}.mobile-menu:first-child{border:0}.mobile-menu summary{font-size:0.875rem;justify-content:flex-end;min-height:35px;align-items:center}.mobile-menu summary::after{font-size:1.125rem}.mobile-menu nav{display:flex;flex-direction:column;gap:0;padding:10px 0 16px}.mobile-menu nav a{padding:12px 4px;border-top:1px solid #e0e6ed;font-size:1rem}}

/* RevB: keyboard access, brand consistency and narrow-screen resilience. */
.skip-link{position:fixed;top:12px;left:12px;z-index:10;transform:translateY(-180%);background:var(--ink);color:white;padding:12px 20px;border-radius:8px}.skip-link:focus{transform:none}
main:focus{outline:none}.hero h1 span{color:#687b93}.quote-section{background:#eef2f7}.tabs{background:#e7edf4}.flow span{background:#eef2f7}.text-link{border-color:#9aaec7}
.day-layout>div,.quote-layout>div,.quote-layout form,.day-panel{min-width:0}.flow{flex-wrap:wrap}.preview-note{max-width:430px;border-color:#9aaec7}.mobile-menu summary{min-height:44px}
@media(max-width:420px){header .brand img{width:150px}header .button.small{padding:11px 12px}.hero{padding-left:4%;padding-right:4%}.hero-photo{margin:0}.hero h1{font-size:clamp(2.625rem,12vw,3.25rem);letter-spacing:-2px}.tabs{width:100%;justify-content:space-between}.tabs button{padding:11px 10px}.day-panel{padding:24px}.day-panel h3{font-size:1.875rem}.steps{grid-template-columns:1fr}.flow{gap:10px}.case-hero h1{font-size:2.625rem}}

/* RevC: a focused product story, compact navigation and consistent surfaces. */
:root{--soft:#f5f7fa;--muted:#53657a;--line:#dce4ed;--accent:#ffb21c}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}
header{max-width:1480px;border-bottom:1px solid var(--line);height:88px}
header .brand img{width:205px}
header nav a{padding:12px 0}header nav a:hover{color:#145995}
.hero{max-width:1480px;margin:auto;padding:52px 4% 64px;display:grid;grid-template-columns:1fr 1.1fr;gap:48px;align-items:center;text-align:left}
.hero-copy{min-width:0;padding:24px 0 24px 2%}
.hero .eyebrow{color:#53657a;font-size:0.8125rem;letter-spacing:1.7px;margin-bottom:24px}
.hero h1{font-size:clamp(2.75rem,5.2vw,4.75rem);letter-spacing:-3.2px;line-height:1.06}
.hero h1 span{color:#607791}
.hero .intro{font-size:1.125rem;max-width:450px;margin:26px 0;line-height:1.65}
.hero-actions{justify-content:flex-start;flex-wrap:wrap;gap:18px;margin:30px 0 0}
.hero-photo{margin:0;height:550px;border-radius:24px}
.hero-photo img{object-position:70% 50%}.caption{background:#08254be6;padding:7px 11px;line-height:1.5;max-width:calc(100% - 24px)}
.button{font-size:0.9375rem;padding:14px 24px;min-height:48px}.button.small{font-size:0.875rem;min-height:44px}
.text-link{font-size:0.9375rem;padding:12px 0;min-height:44px}
.statement{padding-top:56px;padding-bottom:80px}.statement h2{font-size:clamp(2.125rem,3.6vw,3.125rem)}
.cards{gap:22px}.cards article{border-radius:22px;min-height:360px;padding:36px;border:1px solid #e5eaf0}
.cards .dark{border-color:#08254b}.cards .green{background:#edf3fa;border-color:#e0e9f4}
.cards .green .card-number{color:#53657a}.dark .card-number,.dark p{color:#d2ddea}
.card-number{font-size:0.8125rem;margin-bottom:52px}.cards a{font-size:1rem;padding:10px 0;min-height:44px}
.day-panel{border:1px solid #e3e9f0;border-radius:22px}.tabs button{min-height:44px}
.steps p{font-size:1rem}.eyebrow,.status-label{font-size:0.8125rem}
.case-intro{background:var(--soft);border:0;border-radius:24px;padding-top:52px;padding-bottom:52px;margin-bottom:80px}
.case-hero{padding-top:60px}.case-hero h1{letter-spacing:-2.5px}
.quote-section{background:#08254b;color:white}.quote-layout>div>p:not(.eyebrow){color:#d2ddea}
.preview-note{border-color:var(--accent)}
.quote-layout form{padding:30px;border:1px solid #e3e9f0;background:white;color:var(--ink);border-radius:22px}
.quote-layout input,.quote-layout select,.quote-layout textarea{border-color:#b6c5d6}
#enquiry-result{border-color:var(--line)}#enquiry-result p{color:var(--muted)}
footer>span{font-size:0.8125rem}:focus-visible{outline-color:#1b6db5}.quote-section>div>div a:focus-visible{outline-color:var(--accent)}
@media(max-width:1050px){header nav{gap:16px}header .brand img{width:170px}.hero{gap:28px}.hero-photo{height:480px}.hero h1{font-size:3.5rem}.quote-layout{gap:40px}}
@media(max-width:900px){header>nav{display:none}.mobile-menu{display:block;position:static;width:auto;margin:0;padding:0;border:0}.mobile-menu summary{justify-content:center;align-items:center;font-size:0.875rem;min-height:44px;gap:8px;padding:8px}.mobile-menu summary::after{font-size:1.125rem}.mobile-menu nav{position:absolute;top:100%;left:0;right:0;z-index:5;background:white;display:flex;flex-direction:column;gap:0;padding:10px 6% 20px;border-bottom:1px solid var(--line);box-shadow:0 16px 24px #08254b12}.mobile-menu nav a{padding:14px 0;border-top:1px solid var(--line);font-size:1rem}header{position:relative;gap:12px}header>.button.small{margin-left:auto}}
@media(max-width:800px){header{height:auto;min-height:76px;flex-wrap:wrap;padding:12px 5%}.hero{grid-template-columns:1fr;padding:36px 5% 36px;gap:30px}.hero-copy{padding:8px 0 0;text-align:center}.hero h1{font-size:clamp(2.625rem,8vw,3.875rem);letter-spacing:-2px}.hero .intro{margin:22px auto;font-size:1.0625rem}.hero .eyebrow{font-size:0.75rem;margin-bottom:20px}.hero-actions{justify-content:center;flex-direction:row;margin-top:22px;gap:10px 22px}.hero-photo{height:360px;border-radius:18px}.hero-photo img{object-position:68% 50%}.statement{padding-top:38px;padding-bottom:60px}.cards article{min-height:300px;padding:30px}.card-number{margin-bottom:36px}.case-intro{border-radius:0;margin-bottom:60px}.quote-layout form{padding:24px}.quote-layout>div>p:not(.eyebrow){max-width:540px}.preview-note{max-width:none}.case-hero{padding-top:40px}.case-hero h1{font-size:clamp(2.5rem,8vw,3.875rem)}}
@media(max-width:420px){header{gap:6px;padding:0 4%}header .brand img{width:110px}header .button.small{font-size:0.8125rem;padding:10px 12px}.mobile-menu summary{padding:8px 4px;font-size:0.8125rem}.hero-photo{height:300px}.hero h1{font-size:2.625rem}.hero-actions .button{width:100%;max-width:310px}.caption{left:12px;right:auto;font-size:0.75rem}.quote-layout form{padding:20px}.quote-layout{gap:28px}.cards article{padding:26px}.case-hero h1{font-size:2.5rem;letter-spacing:-1.7px}}
@media(prefers-reduced-motion:reduce){.button:hover{transform:none}}

/* RevD: structured project brief and clearer conversion journey. */
.quote-intro{align-self:start;position:sticky;top:36px}.brief-guide{margin-top:38px;padding:24px;border:1px solid #325276;border-radius:18px;background:#ffffff0a}.brief-guide>span{display:block;color:#9fb4cb;font-size:0.8125rem;font-weight:700;letter-spacing:1.2px;text-transform:uppercase}.brief-guide ul{padding-left:20px;margin:16px 0 0;color:#e6edf5}.brief-guide li+li{margin-top:9px}.preview-note strong{display:block;color:white;margin-bottom:4px}.quote-layout form{padding:0;overflow:hidden}.form-section{padding:30px 30px 22px}.form-section+.form-section{border-top:1px solid var(--line)}.form-step{display:flex;align-items:flex-start;gap:15px;margin-bottom:24px}.form-step>span{display:grid;place-items:center;width:34px;height:34px;flex:0 0 auto;border-radius:50%;background:#edf3fa;color:#164e82;font-size:0.8125rem;font-weight:700}.form-step h3{font-size:1.375rem;margin:1px 0 2px}.form-step p{margin:0;color:var(--muted);font-size:0.875rem}.form-section label:last-child{margin-bottom:0}.form-submit{margin:8px 30px 32px!important}.result-kicker{color:#356895!important;font-size:0.75rem!important;font-weight:700;letter-spacing:1.4px;margin-bottom:8px}#enquiry-result{padding:28px 30px 32px;margin:0;background:#f5f7fa}#enquiry-text{background:white}.result-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.copy-button{min-height:44px;font-weight:600;color:var(--ink)}#copy-status{min-height:22px}.quote-layout select{cursor:pointer}
@media(max-width:800px){.quote-intro{position:static}.brief-guide{margin-top:28px}.form-section{padding:25px 24px 18px}.form-submit{margin:8px 24px 28px!important}#enquiry-result{padding:24px}.quote-layout form{padding:0}}
@media(max-width:420px){.form-section{padding:23px 20px 16px}.form-submit{width:calc(100% - 40px);margin:8px 20px 25px!important}#enquiry-result{padding:22px 20px}.result-actions .copy-button{flex:1;margin-top:8px}#copy-status{width:100%;margin-left:0}}

/* RevE: planning guide and evidence-led education. */
.planning-teaser{background:#edf3fa;padding:72px 0}.planning-teaser-grid{display:grid;grid-template-columns:1.15fr 1fr;align-items:end;gap:70px}.planning-teaser-grid>div:last-child{max-width:480px}.planning-teaser-grid>div:last-child p{color:var(--muted);font-size:1.125rem;margin:0 0 18px}.planning-teaser .text-link{display:inline-block}
.guide-hero{padding-top:58px;padding-bottom:90px}.guide-hero h1{max-width:1050px;font-size:clamp(3rem,6vw,5.25rem);letter-spacing:-3.5px}.guide-lead{font-size:1.3125rem;color:var(--muted);max-width:690px;margin:28px 0 38px}.guide-jump{display:flex;flex-wrap:wrap;gap:10px}.guide-jump a{display:inline-flex;align-items:center;min-height:44px;border:1px solid #cbd7e4;border-radius:24px;padding:9px 17px;font-size:0.875rem;font-weight:600;background:white}.guide-jump a:hover{background:#edf3fa}
.guide-principle{background:#08254b;color:white;padding:84px 0}.guide-principle-grid{display:grid;grid-template-columns:.55fr 1fr 1fr;gap:55px;align-items:start}.guide-principle h2{font-size:clamp(2.125rem,4vw,3.25rem)}.guide-principle-grid>p:last-child{color:#d2ddea;font-size:1.125rem;margin:6px 0 0}
.guide-decisions{padding-top:100px;padding-bottom:105px}.guide-list{border-top:1px solid var(--line)}.guide-list article{display:grid;grid-template-columns:90px 1fr;border-bottom:1px solid var(--line);padding:48px 0}.guide-list article>span{font-size:0.875rem;color:#356895}.guide-list article>div{display:grid;grid-template-columns:1fr 1.15fr;gap:15px 65px}.guide-list .guide-label{grid-column:1/-1;color:#356895;font-size:0.75rem;font-weight:700;letter-spacing:1.5px;margin:0}.guide-list h3{font-size:1.9375rem;margin:0}.guide-list article>div>p:not(.guide-label){color:var(--muted);margin:0;font-size:1.0625rem}.guide-list strong{grid-column:1;font-size:0.875rem;margin-top:22px}.guide-list ul{grid-column:2;margin:22px 0 0;padding-left:20px;color:var(--muted)}.guide-list li+li{margin-top:8px}
.guide-compare{background:#f5f7fa;padding:90px 0}.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.compare-grid article{background:white;border:1px solid var(--line);border-radius:20px;padding:30px;min-height:300px;display:flex;flex-direction:column}.compare-grid span{font-size:0.75rem;letter-spacing:1.4px;color:#356895;font-weight:700}.compare-grid h3{font-size:1.6875rem;margin:36px 0 14px}.compare-grid p{color:var(--muted);margin:0 0 28px}.compare-grid a{margin-top:auto;text-decoration:underline;text-underline-offset:6px;font-weight:600;min-height:44px;padding-top:9px}
.proposal-check{padding-top:100px;padding-bottom:100px;display:grid;grid-template-columns:1fr 1.15fr;gap:75px}.proposal-points{border-top:1px solid var(--line)}.proposal-points p{display:grid;grid-template-columns:42px 1fr;gap:14px;border-bottom:1px solid var(--line);padding:22px 0;margin:0;font-size:1.0625rem}.proposal-points span{color:#356895;font-size:0.8125rem;font-weight:700}
.guide-sources{background:#edf3fa;padding:76px 0}.guide-sources-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px}.guide-sources-grid>div:last-child p{color:var(--muted);margin:0 0 18px}.guide-sources a{display:block;padding:14px 0;border-bottom:1px solid #cbd7e4;font-weight:600}.guide-sources a::after{content:' ↗';font-weight:400}
@media(max-width:900px){header nav{gap:12px}.guide-principle-grid{grid-template-columns:1fr 1fr}.guide-principle-grid>.eyebrow{grid-column:1/-1}.guide-list article>div{gap:15px 35px}}
@media(max-width:800px){.planning-teaser{padding:56px 0}.planning-teaser-grid,.guide-principle-grid,.proposal-check,.guide-sources-grid{grid-template-columns:1fr;gap:30px}.guide-hero{padding-top:42px;padding-bottom:64px}.guide-hero h1{font-size:clamp(2.625rem,10vw,3.875rem);letter-spacing:-2px}.guide-lead{font-size:1.125rem}.guide-principle{padding:64px 0}.guide-decisions{padding-top:70px;padding-bottom:70px}.guide-list article{grid-template-columns:45px 1fr;padding:38px 0}.guide-list article>div{grid-template-columns:1fr}.guide-list .guide-label,.guide-list strong,.guide-list ul{grid-column:1}.guide-list ul{margin-top:4px}.compare-grid{grid-template-columns:1fr}.compare-grid article{min-height:250px}.guide-compare,.guide-sources{padding:65px 0}.proposal-check{padding-top:70px;padding-bottom:70px}.guide-sources-grid{gap:15px}}
@media(max-width:420px){.guide-jump{display:grid;grid-template-columns:1fr 1fr}.guide-jump a{justify-content:center;text-align:center;padding:9px 11px}.guide-list article{grid-template-columns:1fr;gap:12px}.guide-list article>span{border-top:1px solid #cbd7e4;padding-top:12px}.compare-grid article{padding:25px}.proposal-points p{font-size:1rem}}

/* RevG: resilient privacy messaging for the local-only project brief. */
.noscript-brief{background:#fff4df;border-top:1px solid #e9cf9f;border-bottom:1px solid #e9cf9f;padding:36px 0}.noscript-brief h2{font-size:clamp(1.625rem,3vw,2.375rem);margin:8px 0 10px}.noscript-brief p:last-child{max-width:760px;margin:0;color:#5b4a2f}
@media(max-width:800px){.noscript-brief{padding:28px 0}}

/* RevH: lower-friction optional contact details and clearer form grouping. */
.form-optional{display:inline-flex;vertical-align:middle;margin-left:8px;padding:3px 8px;border-radius:999px;background:#edf3fa;color:#356895;font-size:0.6875rem;font-weight:700;letter-spacing:.7px;text-transform:uppercase}

/* RevI: honest local-tool readiness state. */
.form-submit:disabled{opacity:.55;cursor:wait;transform:none}

/* RevJ: respect browser font preferences and allow enlarged tab labels to wrap. */
.tabs{flex-wrap:wrap;max-width:100%}.tabs button{flex:1 1 auto}.day-panel:focus-visible{outline:3px solid #1b6db5;outline-offset:5px}

/* RevL: clear contact choices across every route. */
.footer-contact{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;width:100%;margin:24px 0;text-align:left}.footer-contact a{display:block;color:#155d9b;font-size:1rem;overflow-wrap:anywhere;padding:12px 0}.footer-contact span{display:block;color:#555;font-size:.875rem;margin-bottom:5px}.quote-contact{margin:24px 0}.quote-contact>a{display:inline-block;margin:0 20px 12px 0}.quote-contact p{font-size:1rem}.quote-contact p a{color:#155d9b;text-decoration:underline}.result-actions a.copy-button{display:inline-flex;align-items:center;text-decoration:none}.footer-contact a:focus-visible,.quote-contact a:focus-visible,.result-actions a:focus-visible{outline:3px solid #1b6db5;outline-offset:4px}
@media(max-width:800px){.footer-contact{grid-template-columns:1fr;gap:4px}}

/* RevN: keep all generated-brief actions comfortably tappable on narrow phones. */
/* RevT: real project photographs retain their full proportions. */
.project-summary{padding-bottom:36px}.project-description{font-size:1.125rem;color:var(--muted);max-width:760px;margin:24px 0 32px}.project-specs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin:0;padding:28px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.project-specs dt{font-weight:600;margin-bottom:10px}.project-specs dd{margin:0;color:var(--muted)}.project-specs dd span,.project-warranty{font-size:.875rem}.project-warranty{color:var(--muted);max-width:850px;margin:18px 0 0}.project-next{padding-top:45px;padding-bottom:60px;border-top:1px solid var(--line)}.project-next h2{font-size:2rem}.project-next>p:last-child{color:var(--muted)}
@media(max-width:800px){.project-specs{grid-template-columns:1fr;gap:24px}.project-summary{padding-bottom:28px}}
.project-gallery{padding-bottom:80px}.project-photo{margin:0;min-width:0}.project-photo img{display:block;width:100%;height:auto;border-radius:18px;background:var(--soft)}.project-photo figcaption{font-size:.9375rem;color:var(--muted);padding:12px 0 0}.project-photo-main{margin-bottom:40px}.project-photo-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px 28px;align-items:start}
@media(max-width:800px){.project-gallery{padding-bottom:55px}.project-photo-grid{grid-template-columns:1fr;gap:28px}.project-photo-main{margin-bottom:28px}.project-photo img{border-radius:12px}}
@media(max-width:560px){.result-actions{align-items:stretch;flex-direction:column}.result-actions .copy-button{display:flex;justify-content:center;width:100%;margin-top:0;text-align:center}.result-actions #copy-status{width:100%;margin-left:0}}

/* RevZ: real photography, clear system scale and a paced installation story. */
.case-hero{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:center;padding-bottom:80px}.case-hero-copy{min-width:0}.case-hero .breadcrumb{margin-bottom:36px}.case-cover{margin:0;min-width:0}.case-cover img{display:block;width:100%;height:auto;border-radius:24px}.case-cover figcaption{font-size:.75rem;letter-spacing:1.2px;color:var(--muted);margin-top:14px}.project-summary{padding-top:64px;padding-bottom:56px;border-top:1px solid var(--line)}.project-summary h2{font-size:clamp(2.5rem,5vw,4.25rem)}.project-description{max-width:650px;font-size:1.1875rem}.project-highlights{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:40px 0}.project-highlights strong{display:block;font-size:clamp(2.5rem,5vw,4rem);font-weight:600;letter-spacing:-2px;line-height:1.15}.project-highlights strong span{font-size:1.25rem;letter-spacing:0}.project-highlights p{margin:8px 0 0;color:var(--muted)}
.home-project-image{margin:0;min-width:0}.home-project-image img{display:block;width:100%;height:auto;border-radius:18px}.home-project-copy{min-width:0}.case-intro{grid-template-columns:1.2fr 1fr;gap:52px;margin-top:80px}.home-project-copy h2{margin-bottom:24px}.home-project-copy p:not(.eyebrow){max-width:none}
@media(min-width:801px){.project-photo-grid{grid-template-columns:1fr;gap:56px}.project-photo-grid .project-photo{display:grid;grid-template-columns:1.6fr .7fr;gap:36px;align-items:center}.project-photo-grid .project-photo:nth-child(even){grid-template-columns:.7fr 1.6fr}.project-photo-grid .project-photo:nth-child(even) img{grid-column:2;grid-row:1}.project-photo-grid .project-photo:nth-child(even) figcaption{grid-column:1;grid-row:1}.project-photo-grid .project-photo:nth-child(3){grid-template-columns:1fr 1fr}.project-photo-grid .project-photo figcaption{font-size:1.25rem;max-width:260px;padding:0;line-height:1.45}.project-photo-grid .project-photo:nth-child(3) img{max-width:470px}.project-photo-main figcaption{font-size:1.125rem}}
@media(max-width:800px){.case-hero{grid-template-columns:1fr;gap:32px;padding-bottom:48px}.case-cover img{border-radius:18px}.case-cover figcaption{font-size:.75rem;letter-spacing:.7px}.project-summary{padding-top:42px;padding-bottom:32px}.project-highlights{gap:16px;margin:30px 0}.project-highlights strong{font-size:2.5rem;letter-spacing:-1px}.project-highlights strong span{font-size:1rem}.project-highlights p{font-size:.875rem}.case-intro{grid-template-columns:1fr;gap:30px;margin-top:56px}.home-project-image img{border-radius:14px}}
@media(max-width:380px){.project-highlights{grid-template-columns:1fr;gap:18px}.project-highlights>div{display:flex;align-items:baseline;gap:16px}.project-highlights p{margin:0}}

/* RevAA: project collection with independent, initially closed disclosures. */
.case-collection-hero{display:block;padding-bottom:52px}.case-collection-hero .case-lead{max-width:650px}
.project-collection{max-width:1280px;margin:0 auto;padding:0 6% 72px}
.project-case,.project-case:first-child{border:1px solid var(--line);padding:0;border-radius:24px;overflow:hidden;background:white}
.project-case+.project-case{margin-top:28px}
.project-case>.project-card{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:40px;padding:28px;list-style:none;color:var(--ink)}
.project-case>.project-card::-webkit-details-marker{display:none}.project-case>.project-card::after{content:none}
.project-card-image{display:block;width:100%;height:auto;border-radius:16px}.project-card-copy{min-width:0}
.project-card-copy .eyebrow{color:var(--muted);font-size:.8125rem;margin-bottom:18px}.project-card-title{font-size:clamp(2rem,4vw,3rem);line-height:1.12;letter-spacing:-1.5px;margin:0}
.project-case .project-card-intro{font-size:1.0625rem;margin:20px 0 24px;max-width:420px;line-height:1.6}
.project-toggle{display:inline-flex;align-items:center;gap:14px;min-height:48px;font-size:.9375rem;font-weight:600;color:#155d9b}
.project-toggle-symbol{display:grid;place-items:center;width:32px;height:32px;border:1px solid #cbd7e4;border-radius:50%;font-size:1.25rem;line-height:1}
.project-toggle-symbol::before{content:'+'}.project-hide{display:none}
.project-case[open]>.project-card .project-show{display:none}.project-case[open]>.project-card .project-hide{display:inline}.project-case[open]>.project-card .project-toggle-symbol::before{content:'−'}
.project-case>.project-card:hover{background:#f5f7fa}.project-case>.project-card:focus-visible{outline:3px solid #1b6db5;outline-offset:-5px}
.project-case .project-summary{margin:0 28px;padding:40px 0}.project-case .project-detail-title{font-size:clamp(1.75rem,3vw,2.5rem);line-height:1.2;margin:0}
.project-case .project-description{font-size:1.1875rem;max-width:650px}.project-case .project-highlights p{font-size:1rem;margin:8px 0 0}
.project-case .project-warranty{font-size:.875rem;max-width:850px}.project-case .project-gallery{padding:0 28px 40px}
@media(max-width:800px){.case-collection-hero{padding-bottom:32px}.project-collection{padding-bottom:48px}.project-case,.project-case:first-child{border-radius:18px}.project-case>.project-card{grid-template-columns:1fr;gap:24px;padding:20px}.project-card-image{border-radius:12px}.project-card-title{letter-spacing:-1px}.project-card-copy .eyebrow{margin-bottom:12px}.project-case .project-card-intro{margin:16px 0 14px}.project-case .project-summary{margin:0 20px;padding:30px 0}.project-case .project-gallery{padding:0 20px 30px}}
@media(max-width:380px){.project-case .project-highlights p{margin:0;font-size:.875rem}}

.project-card-copy,.project-card-copy .eyebrow,.project-card-title,.project-card-intro{display:block}.project-card-title{font-weight:600}.project-card-intro{color:var(--muted)}