/* Solar Backup Guide — site.css (hand-written, no framework) */
:root{--ink:#0F172A;--body:#334155;--muted:#64748B;--line:#E2E8F0;--paper:#FFFFFF;--wash:#F8FAFC;--accent:#0F5132;--accent-soft:#ECF5F0;--orange:#E07A1F;--serif:"Source Serif 4",Georgia,"Times New Roman",serif;--sans:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--wrap:1152px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--body);font-family:var(--sans);font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent)}
a:hover{color:var(--ink)}
h1,h2,h3,h4{color:var(--ink);line-height:1.2;margin:0}
h1,h2{font-family:var(--serif);font-weight:700}
h3{font-size:1.15rem;font-weight:600}
p{margin:0 0 1rem}
ul,ol{margin:0 0 1rem;padding-left:1.25rem}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}
.prose{max-width:68ch}
.skip{position:absolute;left:-9999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:4px;z-index:50}
.skip:focus{left:12px}
.disclosure-bar{background:var(--wash);border-bottom:1px solid var(--line);font-size:.78rem;color:var(--muted)}
.disclosure-bar p{margin:0;padding:7px 0}
.disclosure-bar a{color:var(--muted)}
.site-header{border-bottom:1px solid var(--line);background:var(--paper)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:72px;gap:16px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{height:46px;width:auto}
.brand-tag{display:none;font-size:.68rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);border-left:1px solid var(--line);padding-left:12px}
.nav-links{display:none;list-style:none;margin:0;padding:0;gap:28px;font-size:.92rem;font-weight:500}
.nav-links a{color:var(--body);text-decoration:none;padding-bottom:4px}
.nav-links a:hover{color:var(--ink)}
.nav-links a[aria-current="page"]{color:var(--ink);border-bottom:2px solid var(--ink)}
.menu{position:relative}
.menu summary{list-style:none;cursor:pointer;border:1px solid var(--line);border-radius:6px;padding:6px 12px;font-size:.9rem;font-weight:500;color:var(--ink)}
.menu summary::-webkit-details-marker{display:none}
.menu ul{position:absolute;right:0;top:calc(100% + 8px);list-style:none;margin:0;padding:8px 0;width:220px;background:var(--paper);border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 24px rgba(15,23,42,.08);z-index:20}
.menu li a{display:block;padding:9px 16px;color:var(--body);text-decoration:none;font-size:.92rem}
.menu li a:hover{background:var(--wash)}
@media(min-width:640px){.brand-tag{display:inline}}
@media(min-width:900px){.nav-links{display:flex}.menu{display:none}}
.section{padding:64px 0;border-bottom:1px solid var(--line)}
.section.wash{background:var(--wash)}
.section.tight{padding:48px 0}
.eyebrow{font-size:.74rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin:0 0 12px}
.hero{padding:72px 0 64px}
.hero h1{font-size:2.3rem;max-width:22ch}
.lead{font-size:1.15rem;max-width:62ch;margin-top:20px}
.meta{font-size:.85rem;color:var(--muted);margin-top:20px}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:1.9rem}
.section-head p{margin-top:14px}
@media(min-width:768px){.hero{padding:96px 0 80px}.hero h1{font-size:3rem}.section{padding:80px 0}.section-head h2{font-size:2.3rem}}
.split{display:grid;gap:32px}
.split h2{font-size:1.7rem}
@media(min-width:900px){.split{grid-template-columns:1fr 2fr;gap:56px}}
.grid{display:grid;gap:24px}
@media(min-width:720px){.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}}
.card{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:28px}
.card h3{margin-bottom:10px}
.card h3 a{color:var(--ink);text-decoration:none}
.card h3 a:hover{text-decoration:underline}
.card p:last-child{margin-bottom:0}
.card .num{font-family:var(--serif);font-size:.9rem;font-weight:600;color:var(--muted);margin-bottom:6px}
.panel-grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.panel-grid>*{background:var(--paper);padding:32px}
@media(min-width:768px){.panel-grid{grid-template-columns:repeat(2,1fr)}}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:16px;border-top:1px solid var(--line);padding-top:18px;margin:22px 0 0;font-size:.88rem}
.facts dt{color:var(--muted)}
.facts dd{margin:4px 0 0;font-weight:500;color:var(--ink)}
.more{display:inline-block;margin-top:20px;font-size:.9rem;font-weight:600;text-decoration:none}
.more:hover{text-decoration:underline}
.note{font-size:.8rem;color:var(--muted)}
.policy-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.policy-list li{padding:22px 0;border-bottom:1px solid var(--line)}
.policy-list h3{margin-bottom:6px}
.policy-list p{margin:0}
.checks{list-style:none;padding:0}
.checks li{position:relative;padding-left:28px;margin-bottom:10px}
.checks li::before{content:"";position:absolute;left:4px;top:.6em;width:10px;height:6px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px;margin:0 0 1rem}
table{width:100%;border-collapse:collapse;font-size:.92rem;min-width:520px}
th,td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--wash);color:var(--ink);font-weight:600}
tr:last-child td{border-bottom:0}
td.w{font-weight:600;color:var(--ink);white-space:nowrap}
.doc{padding:56px 0 72px}
.doc-grid{display:grid;gap:40px}
@media(min-width:1024px){.doc-grid{grid-template-columns:240px 1fr;gap:64px}}
.toc{font-size:.9rem}
.toc p{font-weight:600;color:var(--ink);margin-bottom:10px}
.toc ul{list-style:none;padding:0;margin:0;border-left:2px solid var(--line)}
.toc a{display:block;padding:5px 0 5px 14px;color:var(--muted);text-decoration:none}
.toc a:hover{color:var(--ink)}
@media(min-width:1024px){.toc nav{position:sticky;top:24px}}
.content{max-width:72ch}
.content h2{font-size:1.6rem;margin:48px 0 14px;scroll-margin-top:20px}
.content h2:first-child{margin-top:0}
.content h3{margin:28px 0 8px}
.callout{background:var(--accent-soft);border-left:3px solid var(--accent);padding:18px 20px;border-radius:0 8px 8px 0;margin:24px 0}
.callout p:last-child{margin:0}
.article{padding:56px 0 72px}
.article .content{margin:0 auto}
.byline{font-size:.88rem;color:var(--muted);margin-top:16px}
.btns{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-block;padding:12px 20px;border-radius:7px;font-size:.92rem;font-weight:600;text-decoration:none;border:1px solid transparent;min-height:46px}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#1E293B;color:#fff}
.btn-line{background:var(--paper);border-color:var(--line);color:var(--ink)}
.btn-line:hover{border-color:#94A3B8;color:var(--ink)}
.cta{display:flex;flex-direction:column;gap:20px}
.cta h2{font-size:1.6rem}
@media(min-width:900px){.cta{flex-direction:row;align-items:center;justify-content:space-between}}
.contact-card a{font-weight:600;word-break:break-all}
.site-footer{background:var(--paper)}
.footer-top{display:grid;gap:36px;padding:56px 16px}
@media(min-width:900px){.footer-top{grid-template-columns:5fr 3fr 4fr}}
.footer-top img{height:52px;width:auto;margin-bottom:14px}
.footer-top p{font-size:.9rem;color:var(--muted);max-width:36ch}
.footer-h{font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}
.footer-top ul{list-style:none;padding:0;margin:0;font-size:.92rem}
.footer-top li{margin-bottom:8px}
.footer-top li a{color:var(--body);text-decoration:none}
.footer-top li a:hover{color:var(--ink)}
address{font-style:normal;font-size:.9rem;margin-top:18px}
address strong{display:block;color:var(--ink)}
.footer-legal{border-top:1px solid var(--line);padding:28px 0;font-size:.8rem;color:var(--muted)}
.footer-legal p{margin-bottom:12px}
.footer-legal p:last-child{margin:0}
.footer-legal strong{color:var(--body)}
.footer-legal a{color:var(--muted)}
.notfound{padding:96px 0;text-align:center}
.notfound h1{font-size:2.2rem;margin:10px 0 14px}
.notfound .btns{justify-content:center;margin-top:28px}