/* poweradapter.net — design system
   Palette: ink #171A1F · paper #FBFAF7 · volt #F2B90D · line #E5E2D9 · dim #565B66
   Type: system sans (perf) + system mono for spec plates. No webfonts by design (100/100 PSI). */

:root{
  --ink:#171A1F; --paper:#FBFAF7; --volt:#F2B90D; --volt-soft:#FFF6D6;
  --line:#E5E2D9; --dim:#565B66; --card:#FFFFFF;
  --sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --maxw:66rem; --r:10px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 var(--sans);-webkit-text-size-adjust:100%}
a{color:inherit;text-decoration:underline;text-decoration-color:var(--volt);text-decoration-thickness:2px;text-underline-offset:3px}
a:hover{background:var(--volt-soft)}
:focus-visible{outline:3px solid var(--ink);outline-offset:2px;border-radius:2px}
img,svg{max-width:100%;height:auto}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}

/* Header */
.site-head{border-bottom:2px solid var(--ink);background:var(--paper);position:relative}
.head-in{display:flex;align-items:center;gap:1rem;justify-content:space-between;padding:.9rem 0}
.logo{display:flex;align-items:center;gap:.55rem;font-weight:800;font-size:1.05rem;letter-spacing:-.02em;text-decoration:none}
.logo:hover{background:none}
.bolt{width:1.7rem;height:1.7rem;background:var(--volt);border:2px solid var(--ink);border-radius:6px;display:grid;place-items:center;flex:none}
.logo .tld{color:var(--dim);font-weight:600}
.nav{display:flex;gap:.15rem;flex-wrap:wrap}
.nav a{text-decoration:none;font-weight:600;font-size:.92rem;padding:.4rem .65rem;border-radius:6px}
.nav a:hover{background:var(--volt-soft)}
.nav-toggle{display:none;background:none;border:2px solid var(--ink);border-radius:6px;padding:.35rem .6rem;font:600 .9rem var(--sans);cursor:pointer}
@media (max-width:760px){
  .nav-toggle{display:block}
  .nav{display:none;width:100%;flex-direction:column;padding:.5rem 0 1rem}
  .nav.open{display:flex}
  .head-in{flex-wrap:wrap}
}

/* Hero */
.hero{padding:3rem 0 2.5rem;border-bottom:1px solid var(--line)}
.eyebrow{font:700 .72rem/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--dim);margin:0 0 .9rem}
h1{font-size:clamp(1.9rem,4.5vw,3rem);line-height:1.08;letter-spacing:-.03em;margin:0 0 1rem;font-weight:800;max-width:22ch}
.lede{font-size:1.12rem;color:var(--dim);max-width:58ch;margin:0}
.lede a{color:var(--ink)}

/* Wattage rail — signature element */
.watt-rail{display:flex;gap:.6rem;flex-wrap:wrap;margin:1.6rem 0 0;padding:0;list-style:none}
.watt-rail a{display:flex;flex-direction:column;align-items:center;justify-content:center;width:5.2rem;height:4.6rem;padding:0 .2rem;text-align:center;background:var(--volt);border:2px solid var(--ink);border-radius:12px;text-decoration:none;box-shadow:3px 3px 0 var(--ink);transition:transform .12s,box-shadow .12s}
.watt-rail a:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--ink);background:var(--volt)}
.watt-rail b{font-size:1.15rem;letter-spacing:-.02em}
.watt-rail span{font:600 .62rem/1 var(--mono);color:#3d3305;text-transform:uppercase;margin-top:.15rem}

/* Sections */
main{padding-bottom:3rem}
.sec{padding:2.4rem 0 0}
h2{font-size:1.5rem;letter-spacing:-.02em;margin:0 0 .35rem}
h3{font-size:1.12rem;margin:1.6rem 0 .4rem}
.sub{color:var(--dim);margin:0 0 1.2rem;max-width:60ch}
p{max-width:68ch}
.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fill,minmax(15rem,1fr));padding:0;list-style:none;margin:1.2rem 0 0}

/* Spec plate cards (product picks) */
.plate{background:var(--card);border:2px solid var(--ink);border-radius:var(--r);padding:1.1rem 1.1rem 1.2rem;position:relative}
.plate .badge{position:absolute;top:-1px;right:-1px;background:var(--volt);border:2px solid var(--ink);border-radius:0 var(--r) 0 var(--r);font:800 .95rem/1 var(--sans);padding:.45rem .6rem}
.plate h3{margin:0 4.2rem .35rem 0;font-size:1.05rem;line-height:1.3}
.plate .use{color:var(--dim);font-size:.92rem;margin:0 0 .8rem}
.specs{font:.8rem/1.9 var(--mono);border-top:1px dashed var(--line);margin:0 0 .9rem;padding:.5rem 0 0;color:#333}
.specs div{display:flex;justify-content:space-between;gap:1rem}
.specs dt{color:var(--dim)}
.specs dd{margin:0;font-weight:700;text-align:right}
.btn{display:inline-block;background:var(--ink);color:#fff;font-weight:700;font-size:.92rem;text-decoration:none;padding:.55rem .95rem;border-radius:8px}
.btn:hover{background:#000;color:var(--volt)}
.btn.alt{background:transparent;color:var(--ink);border:2px solid var(--ink)}
.btn.alt:hover{background:var(--volt-soft)}

/* Link directories */
.dir{columns:2;column-gap:2rem;padding:0;margin:1rem 0 0;list-style:none}
@media (min-width:760px){.dir{columns:3}}
.dir li{margin:0 0 .55rem;break-inside:avoid}
.dir a{text-decoration:none;font-weight:500}
.dir a:hover{text-decoration:underline;text-decoration-color:var(--volt);text-decoration-thickness:2px}
.dir .soon{color:var(--dim)}

/* Callout + tables + FAQ */
.note{background:var(--volt-soft);border:1.5px solid var(--ink);border-radius:var(--r);padding:1rem 1.2rem;margin:1.4rem 0;font-size:.95rem;max-width:44rem}
table{border-collapse:collapse;width:100%;margin:1.2rem 0;font-size:.92rem}
th,td{border:1px solid var(--line);padding:.55rem .7rem;text-align:left;vertical-align:top}
th{background:var(--volt-soft);font:700 .78rem var(--mono);text-transform:uppercase;letter-spacing:.06em}
tr:nth-child(even) td{background:#fff}
details{border:1.5px solid var(--line);border-radius:var(--r);margin:.6rem 0;background:var(--card);max-width:44rem}
summary{cursor:pointer;font-weight:700;padding:.8rem 1rem;list-style:none}
summary::before{content:"+";display:inline-block;width:1.3rem;font:800 1rem var(--mono);color:var(--dim)}
details[open] summary::before{content:"–"}
details p{padding:0 1rem 1rem 2.3rem;margin:0;color:#333}

/* Breadcrumbs */
.crumbs{font:.78rem var(--mono);color:var(--dim);padding:1rem 0 0;margin:0;list-style:none;display:flex;gap:.5rem;flex-wrap:wrap}
.crumbs a{text-decoration:none;color:var(--dim)}
.crumbs a:hover{color:var(--ink)}
.crumbs li+li::before{content:"/";margin-right:.5rem;color:var(--line)}

/* Footer */
.site-foot{border-top:2px solid var(--ink);background:#F3F1EA;margin-top:3rem;font-size:.9rem}
.foot-grid{display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(11rem,1fr));padding:2.2rem 0 1.5rem}
.foot-grid h3{font:700 .72rem var(--mono);text-transform:uppercase;letter-spacing:.12em;margin:0 0 .7rem;color:var(--dim)}
.foot-grid ul{list-style:none;padding:0;margin:0}
.foot-grid li{margin:0 0 .45rem}
.foot-grid a{text-decoration:none}
.foot-grid a:hover{text-decoration:underline;text-decoration-color:var(--volt);text-decoration-thickness:2px}
.legal{border-top:1px solid var(--line);padding:1.1rem 0 1.6rem;color:var(--dim);font-size:.8rem}
.legal p{max-width:none;margin:.3rem 0}