/* Border Energy Group — shared design system
   Tokens and base rules reproduced from prototype/index.html; shared across every page. */
:root{
  --navy-900:#0B1330;
  --navy-800:#131F4C;
  --navy:#1F2A6E;
  --orange:#F7941D;
  --orange-dim:#C97614;
  --paper:#F2F4F8;
  --paper-2:#E6EAF2;
  --ink:#12172B;
  --slate:#5C6685;
  --line:rgba(255,255,255,.14);
  --line-dark:rgba(18,23,43,.12);
  --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"IBM Plex Sans",system-ui,sans-serif;font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.display{font-family:Archivo,system-ui,sans-serif;font-weight:900;letter-spacing:-.02em;line-height:1.02;margin:0}
p{margin:0 0 1em}
a{color:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.eyebrow{
  font-family:"IBM Plex Mono",monospace;font-size:12px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--orange);margin:0 0 18px
}
.eyebrow.dark{color:var(--orange-dim)}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:50;background:rgba(11,19,48,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.nav img{height:30px}
.nav nav{display:flex;gap:8px;align-items:center}
.nav nav>a{color:#C9D1E8;text-decoration:none;font-size:14.5px;font-weight:500;padding:8px 10px}
.nav nav>a:hover{color:#fff}
.navdrop{position:relative}
.navdrop>summary{list-style:none;cursor:pointer;color:#C9D1E8;font-size:14.5px;font-weight:500;padding:8px 10px;display:flex;align-items:center;gap:5px}
.navdrop>summary::-webkit-details-marker{display:none}
.navdrop>summary:after{content:"▾";font-size:10px;color:#7C8CBE}
.navdrop:hover>summary,.navdrop[open]>summary{color:#fff}
.navdrop .panel{position:absolute;top:100%;left:0;background:var(--navy-900);border:1px solid var(--line);min-width:240px;padding:8px;margin-top:8px}
.navdrop .panel a{display:block;color:#C9D1E8;text-decoration:none;font-size:14px;padding:10px 12px}
.navdrop .panel a:hover{background:rgba(255,255,255,.06);color:#fff}
.btn{
  display:inline-block;background:var(--orange);color:#0B1330;text-decoration:none;
  font-family:Archivo,sans-serif;font-weight:700;font-size:14px;letter-spacing:.01em;
  padding:13px 22px;border:0;cursor:pointer;transition:transform .15s ease,background .15s ease
}
.btn:hover{background:#FFA83C;transform:translateY(-1px)}
.btn.ghost{background:transparent;color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.3)}
.btn.ghost:hover{box-shadow:inset 0 0 0 1.5px #fff;background:transparent}
.menu-toggle{display:none;background:none;border:0;color:#fff;font-size:22px;cursor:pointer}

/* ---------- hero ---------- */
.hero{background:var(--navy-900);color:#fff;position:relative;overflow:hidden;padding:92px 0 0}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;opacity:.5;mask-image:radial-gradient(ellipse 90% 70% at 70% 30%,#000 30%,transparent 100%);
}
.hero .wrap{position:relative}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-bottom:72px}
.hero h1{font-size:clamp(40px,5.2vw,68px)}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero .lede{color:#B9C3DE;font-size:19px;max-width:34em;margin-top:24px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}

.figure{background:rgba(255,255,255,.04);border:1px solid var(--line);padding:22px 22px 16px}
.figure-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:10px}
.figure-head span{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#8E9BC0}
.figure svg{width:100%;height:auto;display:block}
.legend{display:flex;gap:20px;flex-wrap:wrap;margin-top:12px;font-family:"IBM Plex Mono",monospace;font-size:11.5px;color:#98A5C8}
.legend i{display:inline-block;width:16px;height:2px;vertical-align:middle;margin-right:7px}
.draw{stroke-dasharray:1400;stroke-dashoffset:1400;animation:draw 1.7s .25s ease-out forwards}
.draw2{stroke-dasharray:1400;stroke-dashoffset:1400;animation:draw 1.7s 1.1s ease-out forwards}
.fade{opacity:0;animation:fade .8s 2.2s ease-out forwards}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fade{to{opacity:1}}
@media (prefers-reduced-motion:reduce){
  .draw,.draw2{animation:none;stroke-dashoffset:0}
  .fade{animation:none;opacity:1}
}

/* ---------- stat bar ---------- */
.stats{background:var(--navy);color:#fff;border-top:1px solid var(--line)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:2px}
.stat{padding:34px 8px 34px 0}
.stat b{display:block;font-family:Archivo,sans-serif;font-weight:900;font-size:38px;letter-spacing:-.03em}
.stat span{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.11em;text-transform:uppercase;color:#A9B5D8}

/* ---------- sections ---------- */
section{padding:96px 0}
.section-head{max-width:56ch;margin-bottom:52px}
.section-head h2{font-size:clamp(30px,3.6vw,44px)}
.section-head p{color:var(--slate);margin-top:18px;font-size:18px}

.segments{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line-dark);padding:34px 30px 30px;display:flex;flex-direction:column}
.card h3{font-size:23px;margin-bottom:14px}
.card .tag{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--orange-dim);margin-bottom:20px;display:block}
.card p{color:var(--slate);font-size:16px}
.card ul{margin:6px 0 22px;padding-left:18px;color:var(--slate);font-size:15.5px}
.card ul li{margin-bottom:7px}
.card a.more{margin-top:auto;font-family:Archivo,sans-serif;font-weight:700;font-size:14.5px;text-decoration:none;color:var(--navy);border-bottom:2px solid var(--orange);align-self:flex-start;padding-bottom:2px}

/* ---------- resilience teaser ---------- */
.resil{background:var(--paper-2);border-top:1px solid var(--line-dark)}
.claim{font-family:Archivo,sans-serif;font-weight:900;font-size:clamp(26px,3.2vw,40px);line-height:1.08;letter-spacing:-.02em;max-width:22ch}
.claim em{font-style:normal;color:var(--orange-dim)}
.resil-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.log{background:var(--navy-900);color:#fff;padding:30px 32px}
.log h3{font-size:19px;margin-bottom:6px}
.log .sub{color:#8E9BC0;font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:20px}
.log table{width:100%;border-collapse:collapse;font-family:"IBM Plex Mono",monospace;font-size:13px}
.log td{padding:11px 0;border-bottom:1px solid var(--line);color:#C3CCE6;vertical-align:top}
.log tr:last-child td{border-bottom:0}
.log td.d{color:#8E9BC0;white-space:nowrap;width:62px}
.log td.n{color:var(--orange);text-align:right;white-space:nowrap}
.log .foot{color:#8E9BC0;font-size:12.5px;margin:18px 0 0;font-family:"IBM Plex Sans",sans-serif}
.log .loading{color:#8E9BC0;font-family:"IBM Plex Sans",sans-serif;font-size:14px}
.resil .more{display:inline-block;margin-top:8px;font-family:Archivo,sans-serif;font-weight:700;font-size:14.5px;text-decoration:none;color:var(--navy);border-bottom:2px solid var(--orange);padding-bottom:2px}

/* ---------- featured projects ---------- */
.feat{border:1px solid var(--line-dark);padding:38px 40px;margin-bottom:28px}
.feat.dark{background:var(--navy-900);color:#fff;border-color:var(--navy-900)}
.feat.light{background:#fff;border-top:3px solid var(--orange)}
.feat-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start}
.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px}
.spec{padding:18px 20px}
.spec b{display:block;font-family:Archivo,sans-serif;font-weight:900;font-size:26px;letter-spacing:-.03em}
.spec span{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;margin-top:4px;display:block}
.feat.dark .spec-grid{background:var(--line)}
.feat.dark .spec{background:var(--navy-900)}
.feat.dark .spec span{color:#8E9BC0}
.feat.light .spec-grid{background:var(--line-dark);border:1px solid var(--line-dark)}
.feat.light .spec{background:var(--paper)}
.feat.light .spec span{color:var(--slate)}
.feat-detail{border-top:1px solid var(--line);padding:16px 20px;font-family:"IBM Plex Mono",monospace;font-size:12px;line-height:1.7}
.feat.dark .feat-detail{color:#98A5C8}
.feat.light .feat-detail{color:var(--slate);border:1px solid var(--line-dark);border-top:0}
.projects-cta{text-align:center;margin-top:12px}

/* ---------- cta ---------- */
.cta{background:var(--navy);color:#fff;text-align:center}
.cta h2{font-size:clamp(30px,3.8vw,46px);max-width:20ch;margin:0 auto}
.cta p{color:#B9C3DE;max-width:52ch;margin:20px auto 32px}

footer{background:var(--navy-900);color:#8E9BC0;padding:56px 0 40px;font-size:14.5px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
footer img{height:26px;margin-bottom:18px}
footer h4{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#fff;margin:0 0 14px}
footer a{color:#8E9BC0;text-decoration:none;display:block;margin-bottom:8px}
footer a:hover{color:#fff}
.foot-note{border-top:1px solid var(--line);margin-top:40px;padding-top:22px;font-size:13px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.foot-social{display:flex;gap:10px;margin-top:6px}
.foot-social a{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border:1px solid rgba(255,255,255,.18);border-radius:50%;margin-bottom:0}
.foot-social a:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.foot-social svg{width:16px;height:16px;fill:#8E9BC0}
.foot-social a:hover svg{fill:#fff}

a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:3px}

/* ---------- page hero (interior pages) ---------- */
.pagehero{background:var(--navy-900);color:#fff;padding:64px 0 56px}
.pagehero h1{font-size:clamp(32px,4.4vw,52px)}
.pagehero .lede{color:#B9C3DE;font-size:18px;max-width:60ch;margin-top:18px}
.crumb{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:#8E9BC0;margin-bottom:18px}
.crumb a{color:#8E9BC0;text-decoration:none}
.crumb a:hover{color:#fff}

/* ---------- accordion (native details/summary) ---------- */
.qa{border-top:2px solid var(--ink)}
.qa details{border-bottom:1px solid var(--line-dark)}
.qa summary{cursor:pointer;list-style:none;padding:22px 40px 22px 0;position:relative;font-family:Archivo,sans-serif;font-weight:700;font-size:17.5px;letter-spacing:-.01em}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";position:absolute;right:6px;top:20px;color:var(--orange);font-size:22px;font-weight:500}
.qa details[open] summary::after{content:"\2013"}
.qa summary:hover{color:var(--navy)}
.qa .ans{color:var(--slate);font-size:16px;padding:0 60px 24px 0;margin:-4px 0 0}
.qa.on-dark{border-top-color:#fff}
.qa.on-dark summary{color:#fff}
.qa.on-dark .ans{color:#B0BAD8}
.qa.on-dark details{border-bottom-color:var(--line)}

/* ---------- role-based FAQ tabs ---------- */
.faq{background:var(--navy-900);color:#fff}
.faq .section-head p{color:#B0BAD8}
.ftabs{display:flex;gap:2px;background:var(--line);margin-bottom:0;flex-wrap:wrap}
.ftab{flex:1;min-width:200px;background:rgba(255,255,255,.04);border:0;color:#9DA9CC;padding:18px 20px;cursor:pointer;font-family:Archivo,sans-serif;font-weight:700;font-size:15.5px;letter-spacing:-.01em}
.ftab.on{background:#fff;color:var(--ink)}
.ftab:hover:not(.on){background:rgba(255,255,255,.09);color:#fff}
.fpane{display:none;background:#fff;color:var(--ink);padding:34px 38px}
.fpane.on{display:block}
.fsub{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--orange-dim);margin-bottom:22px}
.fpane .qa{border-top:2px solid var(--ink)}

/* ---------- homeowners pledge / truths ---------- */
.pledge{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line-dark);margin-bottom:56px}
.pledge>div{padding:32px 34px}
.pledge>div+div{border-left:1px solid var(--line-dark)}
.pledge h3{font-size:19px;margin-bottom:18px}
.pledge ul{margin:0;padding-left:0;list-style:none}
.pledge li{color:var(--slate);font-size:15.5px;padding:9px 0 9px 26px;position:relative;border-bottom:1px solid rgba(18,23,43,.06)}
.pledge li:last-child{border-bottom:0}
.pledge li::before{position:absolute;left:0;top:9px;font-family:"IBM Plex Mono",monospace;font-size:14px}
.pledge .no li::before{content:"×";color:var(--slate)}
.pledge .yes li::before{content:"→";color:var(--orange-dim)}
.pledge .no{background:var(--paper)}
.truths{display:grid;grid-template-columns:repeat(3,1fr);gap:34px;margin-bottom:52px}
.truth b{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--orange-dim);display:block;margin-bottom:12px}
.truth h3{font-size:21px;margin-bottom:12px}
.truth p{color:var(--slate);font-size:15.5px;margin:0}

/* ---------- financing options ---------- */
.finance{background:var(--paper-2)}
.finance-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.opts{display:grid;gap:14px}
.opt{background:#fff;border-left:3px solid var(--orange);padding:20px 22px}
.opt h3{font-size:17px;font-family:"IBM Plex Sans",sans-serif;font-weight:600;letter-spacing:0;margin-bottom:6px}
.opt p{color:var(--slate);font-size:15px;margin:0}

/* ---------- system-type cards ---------- */
.tcards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:44px}
.tcard{background:#fff;border:1px solid var(--line-dark);border-top:3px solid var(--orange);padding:28px 26px;display:flex;flex-direction:column}
.tlab{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--orange-dim);margin-bottom:12px;display:block}
.tcard h3{font-size:22px;margin-bottom:12px}
.tcard p{color:var(--slate);font-size:15.5px}

/* ---------- project/gallery grid + filter bar ---------- */
.pbar{position:sticky;top:76px;z-index:20;background:#fff;border-bottom:1px solid var(--line-dark);padding:18px 0}
.pbar .wrap{display:flex;gap:24px;flex-wrap:wrap;align-items:center;justify-content:space-between}
.fgroup{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.fgroup span.lab{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--slate);margin-right:4px}
.fgroup button{background:#fff;border:1px solid var(--line-dark);padding:8px 16px;font-family:"IBM Plex Sans",sans-serif;font-size:13.5px;cursor:pointer;color:var(--slate)}
.fgroup button.on{background:var(--navy);border-color:var(--navy);color:#fff;font-weight:600}
.pcount{font-family:"IBM Plex Mono",monospace;font-size:12.5px;color:var(--slate)}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pcard{background:#fff;border:1px solid var(--line-dark);text-decoration:none;color:inherit;display:flex;flex-direction:column}
.pcard .thumb{aspect-ratio:4/3;background:var(--paper-2);display:block;width:100%;object-fit:cover}
.pcard .body{padding:22px 22px 26px}
.pcard .chips{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.pcard .chip{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--orange-dim);border:1px solid var(--line-dark);padding:3px 8px}
.pcard h3{font-size:19px;margin-bottom:8px}
.pcard p{color:var(--slate);font-size:14.5px;margin:0}
.pempty{text-align:center;padding:60px 0;color:var(--slate);display:none}
.pempty.show{display:block}
.pempty button{margin-top:16px}
.ggrid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.g{margin:0;position:relative;overflow:hidden;background:var(--paper-2);cursor:pointer;border:0;padding:0}
.g img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;transition:transform .4s ease}
.g:hover img{transform:scale(1.04)}
.g figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 12px;background:linear-gradient(transparent,rgba(11,19,48,.88));color:#fff;font-size:12.5px;line-height:1.35;text-align:left}
.g figcaption b{display:block;font-family:Archivo,sans-serif;font-size:13.5px;letter-spacing:-.01em}
.g figcaption span{color:#C3CCE6;font-size:11.5px}
.lb{position:fixed;inset:0;background:rgba(11,19,48,.94);display:none;align-items:center;justify-content:center;z-index:100;padding:40px}
.lb.on{display:flex}
.lb img{max-width:100%;max-height:100%;display:block}
.lb-close{position:absolute;top:24px;right:28px;background:none;border:0;color:#fff;font-size:32px;cursor:pointer;line-height:1}

/* ---------- project detail: spec bar + body ---------- */
.specbar{background:var(--navy);color:#fff}
.specbar .wrap{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line)}
.specbar .s{background:var(--navy);padding:24px 18px}
.specbar .s b{display:block;font-family:Archivo,sans-serif;font-weight:900;font-size:26px;letter-spacing:-.03em}
.specbar .s span{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:#A9B5D8;margin-top:4px;display:block}
.pbody{display:grid;grid-template-columns:1.6fr 1fr;gap:56px;align-items:start}
.pbody .main h2{font-size:24px;margin:36px 0 14px}
.pbody .main h2:first-child{margin-top:0}
.pbody .main p{color:var(--ink);font-size:16.5px}
.pull{border-left:3px solid var(--orange);padding:4px 0 4px 22px;font-family:Archivo,sans-serif;font-weight:700;font-size:19px;letter-spacing:-.01em;margin:28px 0}
.aside{position:sticky;top:100px;background:#fff;border:1px solid var(--line-dark);padding:26px}
.aside dl{margin:0}
.aside dt{font-family:"IBM Plex Mono",monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--slate);margin-top:14px}
.aside dt:first-child{margin-top:0}
.aside dd{margin:3px 0 0;font-size:15px;font-weight:600}

/* ---------- PACE calculator ---------- */
.calc{background:#fff;border:1px solid var(--line-dark);padding:32px}
.calc-inputs{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:28px}
.calc-inputs label{display:block;font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--slate);margin-bottom:6px}
.calc-inputs input{width:100%;padding:10px 12px;border:1px solid var(--line-dark);font-family:"IBM Plex Sans",sans-serif;font-size:15px}
.calctable{width:100%;border-collapse:collapse;font-size:14.5px}
.calctable th,.calctable td{padding:12px 14px;border-bottom:1px solid var(--line-dark);text-align:right}
.calctable th:first-child,.calctable td:first-child{text-align:left}
.calctable th{font-family:"IBM Plex Mono",monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--slate)}
.calctable td.pos{color:#1a7d3a}
.calctable td.neg{color:#b3391f}
.disclaim{font-size:13px;color:var(--slate);margin-top:18px}

/* ---------- blog ---------- */
.postlist{display:grid;gap:1px;background:var(--line-dark);border:1px solid var(--line-dark)}
.postrow{background:#fff;padding:26px 28px;text-decoration:none;color:inherit;display:block}
.postrow .meta{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--orange-dim);margin-bottom:8px}
.postrow h3{font-size:20px;margin-bottom:8px}
.postrow p{color:var(--slate);margin:0}
.article{max-width:74ch;margin:0 auto}
.article h2{font-size:22px;margin:32px 0 12px}
.article p{font-size:16.5px}
.callout{background:var(--paper-2);border-left:3px solid var(--orange);padding:20px 24px;margin:24px 0}
.disclaimer{background:var(--paper-2);border:1px solid var(--line-dark);padding:20px 24px;font-size:14px;color:var(--slate);margin-top:40px}

@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .segments,.truths,.pgrid{grid-template-columns:1fr}
  .resil-grid,.feat-grid,.finance-grid,.pbody,.calc-inputs{grid-template-columns:1fr}
  .stats .wrap{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav nav{display:none}
  .menu-toggle{display:block}
  section{padding:68px 0}
  .tcards{grid-template-columns:1fr}
  .ggrid{grid-template-columns:1fr 1fr}
  .ftab{min-width:100%}
  .specbar .wrap{grid-template-columns:1fr 1fr}
  .pledge{grid-template-columns:1fr}
  .pledge>div+div{border-left:0;border-top:1px solid var(--line-dark)}
}