/* US Grid Relief. Tokens and rules live in design-system.md; change that file first. */
@font-face{font-family:Geist;src:url(/fonts/Geist-Variable.woff2) format("woff2");font-weight:100 900;font-display:swap}

:root{
  --canvas:#f3f5f8;--surface:#fff;--ink:#0c1320;--body:#475161;--line:#dde2e8;
  --night:#0b1220;--sun:#ff8a2a;--sun-ink:#0c1320;
  --r-media:22px;--r-ctl:10px;
  --wrap:1440px;--gut:clamp(16px,4.5vw,64px);--gap:136px;
  --ease:cubic-bezier(.16,1,.3,1);
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){
  :root{--canvas:#0b1220;--surface:#121b2b;--ink:#eef2f7;--body:#a7b1bf;--line:#223047;--night:#060a12}
}
@media (max-width:600px){:root{--gap:88px}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:24px}
body{margin:0;background:var(--canvas);color:var(--body);
  font:400 17px/1.6 Geist,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{display:block;max-width:100%;height:auto}
a{color:var(--ink);text-underline-offset:3px;text-decoration-thickness:1px}
:focus-visible{outline:2px solid var(--sun);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.i{width:1.15em;height:1.15em;flex:none;vertical-align:-.2em}

/* type */
h1,h2,h3{color:var(--ink);margin:0;text-wrap:balance}
h1{font-size:clamp(40px,5.2vw,72px);font-weight:700;letter-spacing:-.035em;line-height:1.02}
h2{font-size:clamp(30px,3.6vw,48px);font-weight:700;letter-spacing:-.03em;line-height:1.08}
h3{font-size:20px;font-weight:650;letter-spacing:-.01em;line-height:1.3}
p{margin:0 0 1em;max-width:68ch}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:52px;padding:0 22px;
  border-radius:var(--r-ctl);font:600 16px/1 Geist,system-ui,sans-serif;text-decoration:none;white-space:nowrap;
  transition:transform .2s var(--ease),background-color .2s var(--ease)}
.btn:active{transform:translateY(1px)}
.btn-sun{background:var(--sun);color:var(--sun-ink)}
.btn-sun:hover{background:#ff9b47}
.btn-sun .i{transition:transform .3s var(--ease)}
.btn-sun:hover .i{transform:translateX(3px)}
.btn-line{border:1.5px solid currentColor;color:var(--ink)}
.btn-sm{height:42px;padding:0 16px;font-size:15px}

/* header: always white over a dark band or photo */
.top{position:absolute;inset:0 0 auto;z-index:20;color:#fff}
.top .wrap{display:flex;align-items:center;gap:28px;height:76px}
.logo{color:#fff;text-decoration:none;font:700 15px/1 Geist,sans-serif;letter-spacing:.18em;text-transform:uppercase;white-space:nowrap;margin-right:auto}
.top nav{display:flex;gap:26px}
.top nav a{color:rgb(255 255 255 / .86);text-decoration:none;font-size:15px;font-weight:500}
.top nav a:hover{color:#fff}
.menu{display:none;position:relative}
.menu summary{list-style:none;cursor:pointer;display:grid;place-items:center;width:42px;height:42px;border-radius:var(--r-ctl);border:1px solid rgb(255 255 255 / .6)}
.menu summary::-webkit-details-marker{display:none}
.menu summary .i{width:20px;height:20px}
.menu div{position:absolute;right:0;top:50px;min-width:200px;background:var(--surface);border-radius:14px;padding:8px;box-shadow:0 18px 50px rgb(11 18 32 / .18)}
.menu div a{display:block;padding:12px 14px;border-radius:8px;color:var(--ink);text-decoration:none;font-weight:500}
@media (max-width:820px){.top nav{display:none}.menu{display:block}.top .btn{display:none}}

/* hero */
.hero{position:relative;min-height:max(600px,78svh);display:flex;align-items:flex-end;color:#fff;background:var(--night);overflow:hidden;isolation:isolate}
.hero picture,.hero picture img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.hero picture img{object-position:var(--focus,60% 50%)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(to bottom,rgb(7 9 15 / .55) 0%,rgb(7 9 15 / 0) 20%),
             linear-gradient(to right,rgb(7 9 15 / .58) 0%,rgb(7 9 15 / .34) 40%,rgb(7 9 15 / 0) 62%),
             radial-gradient(120% 95% at 0% 100%,rgb(7 9 15 / .7) 0%,rgb(7 9 15 / .35) 40%,rgb(7 9 15 / 0) 70%)}
.hero .wrap{width:100%;padding-bottom:clamp(40px,7vh,72px)}
.hero h1{color:#fff;font-size:clamp(40px,4.2vw,60px);max-width:16ch}
.kicker{font-size:16px;font-weight:550;color:rgb(255 255 255 / .92);margin:0 0 18px}
.lede{font-size:19px;line-height:1.5;max-width:46ch;text-wrap:pretty}
.hero .lede{color:rgb(255 255 255 / .88);margin:20px 0 30px}
.cta{display:flex;flex-wrap:wrap;align-items:center;gap:16px 28px}
.cta .alt{font-size:15px;font-weight:500;color:rgb(255 255 255 / .92);margin:0;text-shadow:0 1px 12px rgb(7 9 15 / .55)}
.cta .alt a{color:#fff;font-weight:600;text-underline-offset:4px}
@media (max-width:600px){.lede{font-size:17px}.hero .btn-sun{width:100%}.cta{gap:16px}
  .cta .alt{background:rgb(7 9 15 / .55);border-radius:var(--r-ctl);padding:10px 12px;text-shadow:none;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}}
/* Phone: text rides the sky at the top, the family stays visible below it. */
@media (max-width:600px){
  .hero{min-height:92svh;align-items:flex-start}
  .hero .wrap{padding-top:112px}
  .hero::after{background:linear-gradient(to bottom,rgb(7 9 15 / .7) 0%,rgb(7 9 15 / .45) 45%,rgb(7 9 15 / 0) 70%)}
  .hero picture img{object-position:50% 100%}
}

/* sections */
.sec{padding-top:var(--gap)}
.sec h2+.lede,.sec h2+p{margin-top:16px}
.ph{margin:0}
.ph img,.card img,.closing img{width:100%;height:100%;object-fit:cover;border-radius:var(--r-media)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,96px);align-items:center}
.split .ph img{aspect-ratio:4/5}
.note{color:var(--ink);font-weight:600;margin:8px 0 24px}
.src{font-size:14px;color:var(--body);margin:14px 0 0}
.src a{color:inherit}
.more{display:inline-flex;align-items:center;gap:8px;font-weight:600;margin-top:6px}
.more .i{transition:transform .3s var(--ease)}.more:hover .i{transform:translateX(3px)}

.steps{list-style:none;counter-reset:s;margin:32px 0 8px;padding:0;display:grid;gap:22px}
.steps li{counter-increment:s;display:grid;grid-template-columns:44px 1fr;column-gap:4px}
.steps li::before{content:counter(s);grid-row:span 2;font-size:20px;font-weight:600;color:var(--body);line-height:1.3;font-variant-numeric:tabular-nums}
.steps h3{margin:0 0 2px}.steps p{margin:0}
.split .btn{margin-top:28px}
figcaption{font-size:14px;color:var(--body);margin-top:12px}

.bento{display:grid;grid-template-columns:1.25fr 1fr;gap:16px;margin-top:40px}
.chartcard{grid-row:span 3;background:var(--night);color:#fff;border-radius:var(--r-media);padding:clamp(24px,3vw,40px);display:flex;flex-direction:column;justify-content:space-between;gap:32px}
.cc-label{font-size:14px;color:rgb(255 255 255 / .7);margin:0 0 10px}
.cc-num{font-size:clamp(44px,5.6vw,80px);font-weight:700;letter-spacing:-.04em;line-height:1;color:#fff;margin:0}
.cc-num span{display:block;font-size:17px;font-weight:500;letter-spacing:0;color:rgb(255 255 255 / .75);margin-top:12px}
.chart{display:grid;gap:22px}
.chart .row{display:grid;gap:6px}
.chart .lab{font-size:14px;color:rgb(255 255 255 / .75)}
.chart .bl{display:flex;align-items:center;gap:12px}
.chart .fill{display:block;height:24px;width:calc(var(--v) * .8);background:#fff;border-radius:0 4px 4px 0}
.chart .cmp .fill{background:rgb(255 255 255 / .35)}
.chart .val{font-size:15px;font-weight:600;color:#fff;font-variant-numeric:tabular-nums}
.chartcard .src{margin:0;color:rgb(255 255 255 / .7)}
.fact{background:var(--surface);border-radius:var(--r-media);padding:28px;display:flex;flex-direction:column}
.fact .num{font-size:clamp(30px,3.6vw,48px);font-weight:700;letter-spacing:-.03em;line-height:1;color:var(--ink);margin:0 0 14px}
.fact p{margin:0}.fact .src{margin-top:auto;padding-top:18px}

.band{position:relative;isolation:isolate;color:#fff;margin-top:var(--gap);min-height:min(620px,80svh);display:flex;align-items:flex-end;background:var(--night)}
.band picture,.band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;border-radius:0}
.band::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(to right,rgb(7 9 15 / .75) 0%,rgb(7 9 15 / .35) 55%,rgb(7 9 15 / .1) 100%)}
.band .wrap{width:100%;padding-top:96px;padding-bottom:72px}
.band h2{color:#fff;max-width:14ch}
.band .lede{color:rgb(255 255 255 / .88);margin:16px 0 28px}
.band .btn-line{color:#fff}
.band .src{color:rgb(255 255 255 / .7);max-width:60ch}

.gl{display:grid;grid-template-columns:1fr 2fr;gap:clamp(32px,5vw,72px);align-items:start}
.gl-head{position:sticky;top:32px}
.gl-head .btn{margin-top:12px}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:40px 24px}
.card{display:block;text-decoration:none;color:var(--body)}
.card picture{display:block;overflow:hidden;border-radius:var(--r-media);aspect-ratio:4/3}
.card img{transition:transform .5s var(--ease)}
.card:hover img{transform:scale(1.03)}
.card img[src*=battery]{object-position:62% 40%}
.card h3{margin:18px 0 6px}.card p{margin:0}

.statement{max-width:22ch;margin-bottom:48px}
.three{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.three>div{border-top:1px solid var(--line);padding-top:22px}
.three h3{margin-bottom:8px}

.faq{display:grid;grid-template-columns:1fr 2fr;gap:clamp(32px,5vw,72px);align-items:start}
.qa details{border-bottom:1px solid var(--line)}
.qa details:first-child{border-top:1px solid var(--line)}
.qa summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:24px;padding:22px 0;font-size:19px;font-weight:600;color:var(--ink);letter-spacing:-.01em}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";font-weight:400;font-size:26px;line-height:.9;color:var(--body);flex:none}
.qa details[open] summary::after{content:"\2212"}
.qa details p{margin:0 0 24px}

.closing{display:grid;grid-template-columns:1.1fr 1fr;gap:0;background:var(--night);border-radius:var(--r-media);overflow:hidden;color:#fff}
.closing .c-text{padding:clamp(32px,5vw,72px)}
.closing h2{color:#fff}
.closing .lede{color:rgb(255 255 255 / .85);margin:16px 0 28px}
.closing picture{display:block;min-height:320px}
.closing img{border-radius:0}

@media (max-width:900px){
  .split,.gl,.faq,.closing{grid-template-columns:1fr}
  .split.rev>figure{order:-1}
  .split .ph img{aspect-ratio:4/3}
  .gl-head{position:static}
  .bento{grid-template-columns:1fr}.chartcard{grid-row:auto}
  .three{grid-template-columns:1fr}
}
@media (max-width:600px){.cards{grid-template-columns:1fr}}

/* guide and page template */
.g-hero{position:relative;isolation:isolate;min-height:max(460px,58svh);display:flex;align-items:flex-end;color:#fff;background:var(--night);overflow:hidden}
.g-hero picture,.g-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.g-hero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(to bottom,rgb(7 9 15 / .5) 0%,rgb(7 9 15 / 0) 22%),linear-gradient(to top,rgb(7 9 15 / .85) 0%,rgb(7 9 15 / .45) 45%,rgb(7 9 15 / .15) 100%)}
.g-hero.plain{min-height:auto;padding-top:76px}
.g-hero.plain::after{display:none}
.g-hero .wrap{width:100%;padding-top:120px;padding-bottom:clamp(36px,6vh,64px)}
.g-hero h1{color:#fff;font-size:clamp(40px,4.6vw,64px);max-width:20ch}
.g-hero .meta{font-size:14px;color:rgb(255 255 255 / .8);margin:18px 0 0}
.crumbs{font-size:14px;margin:28px 0 0;color:var(--body)}
.crumbs a{color:var(--ink)}
.g-body{display:grid;grid-template-columns:300px minmax(0,680px);gap:clamp(32px,6vw,96px);margin-top:40px;align-items:start}
.rail{position:sticky;top:28px}
.rail-card{background:var(--surface);border-radius:var(--r-media);padding:28px;box-shadow:0 18px 50px rgb(11 18 32 / .10)}
.rail-card h3{margin-bottom:8px}.rail-card p{font-size:17px;line-height:1.5}
.rail-card .btn{width:100%;margin-top:6px}
.article{font-size:18px;line-height:1.7}
.article .answer{font-size:21px;line-height:1.55;color:var(--ink);font-weight:450;margin-bottom:8px}
.article h2{font-size:clamp(24px,2.4vw,30px);letter-spacing:-.02em;margin:56px 0 14px}
.article p,.article li{max-width:none}
.article ul,.article ol{padding-left:22px;margin:0 0 1em}
.article li{margin-bottom:.4em}
.article sup{line-height:0;font-size:.7em;margin-left:1px}
.article figure{margin:28px 0}
.article .chartcard{grid-row:auto;margin:28px 0;gap:24px}
.article .faq-list{margin-top:56px}
.article .faq-list h2{margin-top:0}
.sources{font-size:14px;line-height:1.6;color:var(--body);border-top:1px solid var(--line);margin-top:56px;padding-top:24px}
.sources h2{font-size:18px;margin:0 0 10px}
.sources ol{padding-left:20px;margin:0}
.related{margin-top:var(--gap)}
.related h2{margin-bottom:28px}
.related .cards{grid-template-columns:repeat(3,1fr)}
@media (max-width:900px){
  .g-body{grid-template-columns:1fr}
  .rail{position:static;order:-1}
  .rail-card{box-shadow:none;padding:20px;display:grid;gap:4px}
  .rail-card .btn{margin-top:8px}
  .related .cards{grid-template-columns:1fr 1fr}
}
@media (max-width:600px){.related .cards{grid-template-columns:1fr}.article .answer{font-size:19px}}

.cards-3{grid-template-columns:repeat(3,1fr)}
.alt-links{display:flex;flex-wrap:wrap;gap:12px 32px;margin-top:20px}
.faq-group+.faq-group{margin-top:56px}
.faq-group h2{font-size:clamp(24px,2.4vw,30px);letter-spacing:-.02em;margin:0 0 8px}
.faq-page .qa summary{font-size:18px}
@media (max-width:900px){.cards-3{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.cards-3{grid-template-columns:1fr}}

.legal-doc{max-width:760px;margin-top:40px}
.legal-doc h2{font-size:24px;letter-spacing:-.015em;margin:44px 0 10px}
.legal-doc h3{font-size:18px;margin:24px 0 6px}
.legal-doc ul{padding-left:22px}
.key{background:var(--surface);border-left:3px solid var(--ink);padding:16px 18px;margin:22px 0}
.key p:last-child{margin-bottom:0}
.key.warn{border-left-color:var(--body)}

/* motion: CSS only, never hides content when unsupported */
@media (prefers-reduced-motion:no-preference){
  .hero .wrap>*{animation:rise .9s var(--ease) both}
  .hero .wrap>:nth-child(2){animation-delay:.08s}
  .hero .wrap>:nth-child(3){animation-delay:.16s}
  @supports (animation-timeline:view()){
    .reveal{animation:rise linear both;animation-timeline:view();animation-range:entry 0% entry 40%}
  }
}
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

/* footer */
footer.foot{background:var(--night);color:rgb(255 255 255 / .7);margin-top:var(--gap);padding:72px 0 40px;font-size:14px;overflow:hidden}
.foot a{color:rgb(255 255 255 / .86);text-decoration:none}
.foot a:hover{color:#fff;text-decoration:underline}
.foot .cols{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:32px}
.foot h3{color:#fff;font-size:14px;font-weight:600;margin-bottom:14px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.foot .mark{font-family:Geist,sans-serif;font-size:min(4.6vw,66px);font-weight:700;letter-spacing:.12em;text-transform:uppercase;line-height:.9;color:rgb(255 255 255 / .06);margin:64px 0 32px;white-space:nowrap}
.foot .legal{font-size:12.5px;line-height:1.6;color:rgb(255 255 255 / .55);border-top:1px solid rgb(255 255 255 / .12);padding-top:24px}
.foot .legal p{max-width:none;margin:0 0 .6em}
.foot .legal a{text-decoration:underline}
@media (max-width:820px){.foot .cols{grid-template-columns:1fr 1fr}.foot .cols>:first-child{grid-column:1/-1}}

/* /check/ form (Gotta Show Me Solar). The only form on the site, and the A2P opt-in. */
.check{max-width:680px;margin:40px 0 0;display:grid;gap:28px}
.check fieldset{border:0;margin:0;padding:0;display:grid;gap:10px}
.check legend{font-size:20px;font-weight:650;letter-spacing:-.01em;color:var(--ink);margin-bottom:10px}
.opt{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-ctl);padding:14px 16px;font-size:17px;color:var(--ink);cursor:pointer}
.opt:has(input:checked){border-color:var(--ink)}
.opt input{width:20px;height:20px;margin:0;accent-color:var(--ink)}
.check .grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fld{display:grid;gap:8px;font-size:15px;font-weight:550;color:var(--ink)}
.fld.wide{grid-column:1/-1}
.fld input{height:52px;border:1px solid var(--line);border-radius:var(--r-ctl);background:var(--surface);color:var(--ink);padding:0 14px;font:400 17px Geist,system-ui,sans-serif}
.fld input:focus,.opt:focus-within{outline:2px solid var(--sun);outline-offset:2px}
.consent{display:flex;align-items:flex-start;gap:12px;font-size:14px;line-height:1.5;color:var(--body)}
.consent input{flex:none;width:20px;height:20px;margin:1px 0 0;accent-color:var(--ink)}
.consent a{color:var(--ink)}
.check .btn{justify-self:start}
.check .btn:disabled{opacity:.6}
.check .note{font-size:14px;color:var(--body);margin:-14px 0 0}
.err{background:#fff1e6;color:#7a2e00;border-radius:var(--r-ctl);padding:12px 14px;margin:0;font-size:15px}
.done{max-width:680px;margin:48px 0 0}
@media (max-width:600px){.check .grid{grid-template-columns:1fr}}
/* Illinois Shines disclosure band, above the footer on every page. */
.disclose{background:var(--surface);border-top:1px solid var(--line);margin-top:var(--gap);padding:28px 0}
.disclose p{max-width:90ch;margin:0;font-size:15px;line-height:1.6;color:var(--body)}
.disclose strong{color:var(--ink)}
.disclose+.foot{margin-top:0}