/* Solar Bill shared design: colour tokens, type, header, buttons and footer. Loaded first on every page. */
:root{
  --bg:#ffffff; --alt:#f5f5f7; --fg:#1d1d1f; --fg2:#6e6e73; --fg3:#86868b; --line:#d2d2d7; --hair:rgba(0,0,0,.08);
  --accent:#0a6fd6; --accent-hover:#0860bb; --warm:#e38b00;
  --nav:rgba(255,255,255,.76); --shade:0 30px 80px -30px rgba(0,0,0,.22),0 0 0 1px rgba(0,0,0,.05);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","Inter Tight","Helvetica Neue",Arial,sans-serif;
  --code:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#000000; --alt:#101012; --fg:#f5f5f7; --fg2:#a1a1a6; --fg3:#86868b; --line:#38383b; --hair:rgba(255,255,255,.1);
  --accent:#3b9bff; --accent-hover:#62b0ff; --warm:#ffae3b;
  --nav:rgba(22,22,23,.78); --shade:0 30px 80px -30px rgba(0,0,0,.8),0 0 0 1px rgba(255,255,255,.08);
  color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#000000; --alt:#101012; --fg:#f5f5f7; --fg2:#a1a1a6; --fg3:#86868b; --line:#38383b; --hair:rgba(255,255,255,.1);
  --accent:#3b9bff; --accent-hover:#62b0ff; --warm:#ffae3b;
  --nav:rgba(22,22,23,.78); --shade:0 30px 80px -30px rgba(0,0,0,.8),0 0 0 1px rgba(255,255,255,.08);
  color-scheme:dark;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:64px}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--font);font-size:17px;line-height:1.47;letter-spacing:-.011em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body.tinted{background:var(--alt)}
/* footer sits at the bottom on short pages */
body{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}
body > main{flex:1 0 auto}
h1,h2,h3,p,dl,dd,figure{margin:0}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}

.wrap{width:100%;max-width:1068px;margin:0 auto;padding-inline:max(22px,env(safe-area-inset-left))}

/* buttons: one filled pill, one text link */
.pill{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:48px;padding:0 24px;border:0;border-radius:980px;background:var(--accent);color:#fff;font-size:1.06rem;font-weight:500;letter-spacing:-.01em;cursor:pointer;white-space:nowrap;transition:background .2s}
.pill:hover{background:var(--accent-hover);text-decoration:none;color:#fff}
.pill.sm{min-height:30px;padding:0 13px;font-size:.8rem}
.more{font-size:1.06rem;display:inline-flex;align-items:center;gap:4px}
.more::after{content:"›";font-size:1.3em;line-height:1;transform:translateY(-1px)}

/* header, identical on every page */
.nav{position:sticky;top:0;z-index:50;background:var(--nav);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--hair)}
.nav .wrap{display:flex;align-items:center;gap:22px;height:52px}
.brand{display:flex;align-items:center;gap:8px;color:var(--fg);font-weight:600;font-size:1.02rem;letter-spacing:-.02em;margin-right:auto}
.brand:hover{text-decoration:none}
.brand svg{flex:none}
.nav nav{display:flex;gap:26px;margin-right:10px}
.nav nav a,.nav .signin{color:var(--fg);opacity:.8;font-size:.8rem;background:none;border:0;padding:0;cursor:pointer;white-space:nowrap}
.nav nav a:hover,.nav .signin:hover{opacity:1;text-decoration:none}
.nav nav a[aria-current="page"]{opacity:1;font-weight:600}
@media (max-width:820px){.nav nav{display:none}}

/* footer, identical on every page */
.foot{background:var(--alt);font-size:.76rem;line-height:1.5;color:var(--fg2);padding-block:22px 40px;border-top:1px solid var(--hair)}
body.tinted .foot{border-top-color:var(--line)}
.foot .wrap > * + *{margin-top:14px}
.foot .legal{padding-bottom:14px;border-bottom:1px solid var(--line)}
.foot nav{display:flex;flex-wrap:wrap;gap:6px 22px}
.foot nav a{color:var(--fg2)}
.foot nav a:hover{color:var(--fg)}