/* usa.solar/solar — USA.SOLAR night system. Tokens mirror the live .uh scope (Outfit, cyan #2CE7FF, night #01101C). */
:root{
  --night:#01101C;--night-2:#06243F;--night-3:#0B2F52;
  --cyan:#2CE7FF;--cyan-deep:#14BCD6;--cyan-soft:rgba(44,231,255,.14);
  --ink:#0B1B33;--white:#FFFFFF;
  --on:rgba(255,255,255,.92);--on-2:rgba(255,255,255,.68);--on-3:rgba(255,255,255,.46);
  --hair:rgba(255,255,255,.12);--hair-2:rgba(255,255,255,.06);
  --wrap:1280px;--gut:clamp(20px,4vw,56px);--sec:clamp(96px,12vw,180px);--rad:22px;
  --ease:cubic-bezier(.23,1,.32,1);
  --font:Outfit,ui-sans-serif,system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html:focus-within{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body.us{margin:0;background:var(--night);color:var(--on);font:300 18px/1.6 var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:clip}
a{color:inherit;text-decoration:none}
img,canvas{display:block;max-width:100%}
h1,h2,h3,p,dl,dd,dt,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
.wrap{width:min(var(--wrap),100% - 2*var(--gut));margin-inline:auto}
.wrap.narrow{width:min(960px,100% - 2*var(--gut))}
.center{text-align:center}
em{font-style:normal;color:var(--cyan);font-weight:400}

/* type */
.eyebrow{display:flex;align-items:center;gap:14px;font-size:11px;font-weight:500;letter-spacing:.26em;text-transform:uppercase;color:var(--cyan);margin-bottom:22px}
.eyebrow .rule{display:inline-block;width:34px;height:1px;background:var(--cyan);opacity:.7}
.eyebrow.center{justify-content:center}
.display{font-weight:200;font-size:clamp(44px,6.2vw,92px);line-height:.98;letter-spacing:-.025em;color:var(--white);text-wrap:balance}
.sub{margin-top:28px;max-width:560px;font-size:clamp(17px,1.35vw,20px);line-height:1.55;color:var(--on-2)}
.center .sub,.sub.center{margin-inline:auto}
.hint{margin-top:18px;font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--cyan)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:999px;font-weight:500;font-size:15px;letter-spacing:.005em;transition:transform .35s var(--ease),background-color .25s,color .25s,box-shadow .35s;white-space:nowrap}
.btn:hover{transform:translateY(-1px)}
.btn-cyan{background:var(--cyan);color:var(--ink)}
.btn-cyan:hover{background:#5CEEFF}
.btn-white{background:var(--white);color:var(--ink);width:100%}
.btn-ghost{border:1px solid var(--hair);color:var(--on)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-lg{min-height:56px;padding:0 30px;font-size:17px}
.textlink{display:inline-block;margin-top:22px;font-size:15px;font-weight:500;color:var(--cyan);border-bottom:1px solid transparent}
.textlink:hover{border-color:var(--cyan)}

/* nav */
.nav{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px var(--gut);background:linear-gradient(180deg,rgba(1,16,28,.86),rgba(1,16,28,0));transition:background .3s}
.nav.solid{background:rgba(1,16,28,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--hair-2)}
.wordmark{font-weight:600;letter-spacing:.02em;color:var(--white);display:inline-flex;align-items:center;line-height:1;font-size:19px;min-height:44px;white-space:nowrap}
.wm-dot{color:var(--cyan)}
.nav-links{display:flex;gap:28px;font-size:14px;font-weight:400;color:var(--on-2)}
.nav-links a:hover{color:var(--white)}
.nav-right{display:flex;align-items:center;gap:22px}
.nav-login{font-size:14px;color:var(--on-2)}
.nav-login:hover{color:var(--white)}

/* stage */
.stage{position:relative;height:700vh}
.stage-pin{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;background:var(--night)}
#scene{position:absolute;inset:0;width:100%;height:100%}
.poster{position:absolute;inset:0;background:linear-gradient(180deg,#4a8fd0 0%,#a9cfea 42%,#dcedf6 55%,#7a9a6c 56%,#5f7d55 100%);opacity:1;transition:opacity 1.2s var(--ease)}
.stage-pin.ready .poster{opacity:0;pointer-events:none}
.stage-pin::before{content:"";position:absolute;inset:0;background:radial-gradient(55% 70% at 18% 30%,rgba(1,16,28,.55) 0%,rgba(1,16,28,0) 70%);pointer-events:none;z-index:1}
.stage-pin::after{content:"";position:absolute;inset:auto 0 0 0;height:22vh;background:linear-gradient(180deg,rgba(1,16,28,0),rgba(1,16,28,.9));pointer-events:none}
.hero-copy{position:absolute;left:var(--gut);top:clamp(96px,17vh,180px);max-width:640px;z-index:3}
.hero-copy h1{font-weight:200;font-size:clamp(44px,5.3vw,80px);line-height:.98;letter-spacing:-.028em;color:var(--white);white-space:nowrap}
.hero-copy .lede{margin-top:26px;max-width:440px;font-size:clamp(16px,1.25vw,19px);line-height:1.55;color:var(--on-2)}
.scroll-hint{position:absolute;left:50%;bottom:28px;transform:translateX(-50%);font-size:10px;letter-spacing:.3em;text-transform:uppercase;color:var(--on-3);z-index:3}
.panel{position:absolute;top:50%;width:min(440px,calc(100% - 2*var(--gut)));z-index:3;opacity:0;visibility:hidden}
.panel-r{right:var(--gut);text-align:right}
.panel-r .eyebrow{justify-content:flex-end}
.panel-l{left:var(--gut)}
.panel h2{font-weight:200;font-size:clamp(38px,4.3vw,64px);line-height:1;letter-spacing:-.025em;color:var(--white);text-wrap:balance}
.panel p:not(.eyebrow){margin-top:20px;font-size:clamp(15px,1.15vw,17px);line-height:1.55;color:var(--on-2)}
.chips{display:flex;gap:10px;margin-top:22px;flex-wrap:wrap}
.panel-r .chips{justify-content:flex-end}
.chips li{font-size:11px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;padding:9px 12px;border:1px solid var(--hair);border-radius:4px;color:var(--on)}
/* callouts */
.callouts{position:absolute;inset:0;z-index:2;pointer-events:none}
.callout{position:absolute;left:0;top:0;opacity:0;transition:opacity .4s}
.callout.on{opacity:1}
.callout .dot{position:absolute;width:8px;height:8px;border-radius:50%;background:var(--cyan);transform:translate(-50%,-50%);box-shadow:0 0 0 4px rgba(44,231,255,.18)}
.callout .line{position:absolute;left:0;top:0;width:1px;height:70px;background:linear-gradient(180deg,var(--cyan),rgba(44,231,255,0));transform:translate(-50%,-100%)}
.callout .tag{position:absolute;left:0;top:-70px;transform:translate(-50%,-110%);font-size:10px;font-weight:500;letter-spacing:.26em;text-transform:uppercase;color:var(--white);white-space:nowrap}
/* options card */
.optcard{position:absolute;right:var(--gut);bottom:28px;width:300px;padding:20px;border-radius:16px;background:rgba(6,36,63,.72);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--hair);z-index:4;opacity:0;visibility:hidden;transform:translateY(16px)}
.optcard-k{font-size:10px;font-weight:500;letter-spacing:.26em;text-transform:uppercase;color:var(--on-2)}
.optcard-chips{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0 16px}
.optcard-chips a{font-size:12px;font-weight:500;padding:7px 11px;border-radius:6px;background:rgba(255,255,255,.06);border:1px solid var(--hair-2);color:var(--on)}
.optcard-chips a:hover,.optcard-chips a.on{background:var(--cyan);color:var(--ink);border-color:var(--cyan)}
.optcard-note{margin-top:10px;font-size:12px;color:var(--on-3)}

/* sections */
.s{position:relative;padding:var(--sec) 0}
.s-why{background:radial-gradient(60% 55% at 72% 70%,#07233d 0%,rgba(1,16,28,0) 70%) var(--night)}
.s-why .wrap{padding-left:clamp(0px,12vw,180px)}
.s-quote .grid-2{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:clamp(40px,6vw,96px);align-items:center}
.terms{display:grid;grid-template-columns:1fr 1fr;gap:18px 24px;margin-top:40px}
.terms div{padding:18px 0 0;border-top:1px solid var(--hair-2)}
.terms dt{font-size:11px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan)}
.terms dd{margin-top:8px;font-size:15px;line-height:1.5;color:var(--on-2)}
.module{position:relative;aspect-ratio:3/4;border-radius:10px;background:#050b14;border:1px solid rgba(255,255,255,.08);box-shadow:0 60px 120px rgba(0,0,0,.6),inset 0 0 0 10px #0a111c;transform:perspective(1400px) rotateY(-14deg) rotateX(4deg);overflow:hidden}
.module-cells{position:absolute;inset:16px;background:
  linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px) 0 0/calc(100%/6) 100%,
  linear-gradient(0deg,rgba(255,255,255,.07) 1px,transparent 1px) 0 0/100% calc(100%/10),
  radial-gradient(120% 90% at 30% 10%,rgba(44,231,255,.10),transparent 60%),#070e1a}
.module figcaption{position:absolute;right:18px;bottom:16px;font-size:10px;letter-spacing:.26em;text-transform:uppercase;color:var(--on-3)}
.s-ways{background:radial-gradient(55% 50% at 50% 30%,#07233d 0%,var(--night) 70%)}
.tabs{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:44px}
.tabs button{font:500 13px/1 var(--font);letter-spacing:.02em;padding:12px 18px;border-radius:999px;border:1px solid var(--hair);background:transparent;color:var(--on-2);cursor:pointer;transition:all .25s}
.tabs button:hover{color:var(--white);border-color:var(--on-3)}
.tabs button[aria-selected="true"]{background:var(--cyan);color:var(--ink);border-color:var(--cyan)}
.way{max-width:880px;margin:40px auto 0}
.way dl{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border:1px solid var(--hair-2);border-radius:var(--rad);overflow:hidden;background:rgba(255,255,255,.02)}
.way dl div{padding:26px 22px;border-right:1px solid var(--hair-2)}
.way dl div:last-child{border-right:0}
.way dt{font-size:11px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan)}
.way dd{margin-top:12px;font-size:15px;line-height:1.5;color:var(--on)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.tcard{display:flex;flex-direction:column;gap:14px;padding:26px 24px;min-height:230px;border:1px solid var(--hair-2);border-radius:18px;background:rgba(255,255,255,.025);transition:border-color .3s,transform .4s var(--ease)}
.tcard:hover{border-color:var(--cyan);transform:translateY(-3px)}
.tk{font-size:11px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan)}
.tcard p{font-size:15px;line-height:1.5;color:var(--on-2);flex:1}
.tfoot{font-size:13px;font-weight:500;color:var(--white)}
.rows{margin-top:56px;border-top:1px solid var(--hair-2)}
.rows li{position:relative;display:grid;grid-template-columns:1fr auto;grid-template-areas:"k n" "h n" "p n";padding:34px 0;border-bottom:1px solid var(--hair-2)}
.rk{grid-area:k;font-size:11px;font-weight:500;letter-spacing:.22em;text-transform:uppercase;color:var(--cyan)}
.rn{grid-area:n;font-size:11px;letter-spacing:.2em;color:var(--on-3)}
.rows h3{grid-area:h;margin-top:12px;font-weight:300;font-size:clamp(24px,2.2vw,32px);letter-spacing:-.02em;color:var(--white)}
.rows p{grid-area:p;margin-top:10px;max-width:640px;font-size:16px;color:var(--on-2)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:56px}
.steps li{padding:26px 24px;border:1px solid var(--hair-2);border-radius:18px;background:rgba(255,255,255,.025)}
.sn{font-size:11px;letter-spacing:.2em;color:var(--cyan)}
.steps h3{margin-top:28px;font-weight:300;font-size:26px;letter-spacing:-.02em;color:var(--white)}
.steps p{margin-top:10px;font-size:15px;line-height:1.5;color:var(--on-2)}
.s-offer{background:radial-gradient(60% 70% at 50% 100%,#082a45 0%,var(--night) 70%)}
.s-offer .btn{margin-top:36px}
.keep{margin-top:64px;font-size:10px;letter-spacing:.3em;text-transform:uppercase;color:var(--on-3)}
.faq{margin-top:48px;border-top:1px solid var(--hair-2)}
.faq details{border-bottom:1px solid var(--hair-2)}
.faq summary{list-style:none;cursor:pointer;padding:26px 0;font-weight:300;font-size:clamp(20px,1.8vw,26px);letter-spacing:-.015em;color:var(--white);display:flex;justify-content:space-between;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--cyan);font-weight:300;font-size:28px;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq p{padding:0 0 28px;max-width:760px;font-size:16px;color:var(--on-2)}
.s-mission{background:radial-gradient(50% 60% at 50% 50%,#07233d 0%,var(--night) 75%)}
.s-mission blockquote{font-weight:200;font-size:clamp(28px,3.6vw,50px);line-height:1.15;letter-spacing:-.02em;color:var(--white);max-width:900px;margin-inline:auto;text-wrap:balance}
.cite{margin-top:26px;font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--on-3)}
.cta-row{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:40px}
.call{margin-top:34px;font-size:15px;color:var(--on-2)}
.call a{color:var(--white);border-bottom:1px solid var(--hair)}
.call a:hover{color:var(--cyan);border-color:var(--cyan)}

/* footer */
.foot{border-top:1px solid var(--hair-2);padding:60px 0 120px;font-size:14px;color:var(--on-2)}
.foot-top{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.foot .wordmark{font-size:24px}
.foot nav{display:flex;gap:22px;flex-wrap:wrap}
.foot a:hover{color:var(--white)}
.foot-sub{margin-top:22px;padding-top:22px;border-top:1px solid var(--hair-2);font-size:13px;color:var(--on-3)}
.foot-sub a{color:var(--on-2)}
.foot-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:26px;font-size:12px;letter-spacing:.04em;color:var(--on-3)}

/* sticky pill */
.pill{position:fixed;left:50%;bottom:22px;transform:translate(-50%,120%);z-index:40;display:flex;align-items:center;gap:14px;padding:8px 8px 8px 20px;border-radius:999px;background:rgba(6,36,63,.8);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--hair);font-size:14px;color:var(--on);transition:transform .6s var(--ease),opacity .4s;opacity:0}
.pill.on{transform:translate(-50%,0);opacity:1}

/* reveal */
.rv{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease),transform 1.1s var(--ease)}
.rv.in{opacity:1;transform:none}

/* ---------- tablet / phone ---------- */
@media (max-width:1100px){
  .nav-links{display:none}
  .terms{grid-template-columns:1fr}
  .trust-grid,.steps{grid-template-columns:repeat(2,1fr)}
  .way dl{grid-template-columns:1fr}
  .way dl div{border-right:0;border-bottom:1px solid var(--hair-2)}
  .way dl div:last-child{border-bottom:0}
}
@media (max-width:860px){
  .s-quote .grid-2{grid-template-columns:1fr}
  .module{max-width:420px;margin-inline:auto;transform:none}
  .s-why .wrap{padding-left:0}
}
@media (max-width:640px){
  body.us{font-size:16px}
  .nav{padding:10px 16px}
  .nav-login{display:none}
  .btn{min-height:40px;padding:0 16px;font-size:14px}
  .stage{height:760vh}
  .hero-copy{left:16px;right:16px;top:88px;max-width:none}
  .hero-copy h1{font-size:clamp(40px,12vw,56px)}
  .hero-copy .lede{font-size:15px;max-width:none}
  .scroll-hint{bottom:18px}
  .panel{top:auto;bottom:112px;left:16px;right:16px;width:auto;text-align:left}
  .panel-r .eyebrow,.panel-r .chips{justify-content:flex-start}
  .panel h2{font-size:clamp(30px,8.6vw,38px)}
  .panel p:not(.eyebrow){font-size:15px;margin-top:14px}
  .chips li{font-size:10px;padding:7px 10px}
  .callout .line{height:46px}
  .callout .tag{top:-46px}
  .optcard{left:16px;right:84px;bottom:16px;width:auto;padding:14px}
  .optcard-chips{margin:10px 0 12px}
  .optcard-note{display:none}
  .trust-grid,.steps{grid-template-columns:1fr}
  .rows li{grid-template-columns:1fr;grid-template-areas:"k" "h" "p"}
  .rn{display:none}
  .tabs button{font-size:12px;padding:10px 14px}
  .pill{left:16px;right:84px;transform:translateY(120%);width:auto;justify-content:space-between;padding-left:14px;gap:8px}
  .pill.on{transform:none}
  .foot{padding-bottom:110px}
}

/* polish pass: steps rail on the lawn, energy line, load bar, choreographed reveals */
.rail{position:absolute;inset:0;z-index:3;pointer-events:none}
.rail li{position:absolute;left:0;top:0;width:136px;transform:translate(-50%,-100%);padding:12px 14px 12px;border-radius:12px;background:rgba(1,16,28,.56);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--hair);color:var(--on);font-size:12px;line-height:1.35;pointer-events:auto}
.rail li::after{content:"";position:absolute;left:50%;bottom:-26px;width:1px;height:26px;background:linear-gradient(180deg,var(--cyan),rgba(44,231,255,0))}
.rail li b{display:block;font-weight:500;font-size:14px;margin:4px 0 2px;color:var(--white)}
.rail li span:not(.sn){color:var(--on-2)}
.rail .sn{font-size:10px;letter-spacing:.22em;color:var(--cyan)}
.eline{position:absolute;inset:0;width:100%;height:100%;z-index:2;pointer-events:none;overflow:visible}
.eline path{fill:none;stroke:var(--cyan);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;opacity:.9;filter:drop-shadow(0 0 6px rgba(44,231,255,.55))}
.loadbar{position:absolute;left:50%;bottom:64px;width:180px;height:2px;transform:translateX(-50%);background:rgba(255,255,255,.18);border-radius:2px;overflow:hidden;z-index:5;transition:opacity .6s}
.loadbar i{display:block;height:100%;width:0;background:var(--cyan);transition:width .25s}
.stage-pin.ready .loadbar{opacity:0}
@media (max-width:1100px){.rail{display:none}}