/* BackupPowerGuides v1 - navy and amber */
:root{
  --navy:#0b2239; --navy2:#123a5f; --ink:#1c2733; --muted:#5a6b7a;
  --amber:#f2a81d; --amber-d:#c77f0a; --bg:#f6f8fa; --card:#ffffff;
  --line:#dbe4ec; --good:#177245; --warn:#b3261e; --radius:14px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;font-size:17px}
a{color:var(--navy2);text-decoration-color:var(--amber);text-underline-offset:3px}
a:hover{color:var(--amber-d)}
img,svg{max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}

/* Header */
header.site{background:var(--navy);color:#fff;position:sticky;top:0;z-index:60;box-shadow:0 2px 14px rgba(4,24,43,.35)}
.header-in{max-width:1280px;margin:0 auto;padding:0 16px;display:flex;align-items:center;gap:14px;min-height:62px}
.logo{color:#fff;text-decoration:none;font-weight:800;font-size:20px;letter-spacing:.2px;white-space:nowrap}
.logo span{color:var(--amber)}
nav.main{display:flex;gap:2px;flex:1;flex-wrap:wrap}
nav.main .item{position:relative}
nav.main .item>button,nav.main .item>a{background:none;border:0;color:#eaf2f9;font:inherit;font-size:15px;font-weight:600;padding:10px 10px;cursor:pointer;text-decoration:none;display:inline-block;border-radius:8px}
nav.main .item>button:hover,nav.main .item>a:hover{background:var(--navy2);color:#fff}
.drop{position:absolute;left:0;top:calc(100% + 4px);background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 16px 40px rgba(4,24,43,.25);min-width:290px;padding:8px;display:none}
.item:hover .drop,.item:focus-within .drop{display:block}
.drop a{display:block;padding:9px 10px;border-radius:8px;color:var(--ink);text-decoration:none;font-size:15px}
.drop a:hover{background:var(--bg);color:var(--navy)}
.drop a.all{font-weight:700;color:var(--navy2);border-top:1px solid var(--line);margin-top:4px}
.btn{display:inline-block;background:var(--amber);color:#231600;font-weight:700;padding:10px 18px;border-radius:999px;text-decoration:none;border:0;cursor:pointer;font-size:15px}
.btn:hover{background:#ffb93e;color:#231600}
.btn.ghost{background:transparent;color:#fff;border:1.5px solid #7fa6c9}
.btn.plain{background:var(--navy);color:#fff}
.btn.plain:hover{background:var(--navy2)}
.start-btn{white-space:nowrap}
.burger{display:none;background:none;border:0;color:#fff;font-size:26px;cursor:pointer;padding:6px 10px}

/* Hero */
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy2) 70%,#1d5a8a 100%);color:#fff;padding:56px 0 48px}
.hero h1{font-size:42px;line-height:1.15;margin:0 0 14px;max-width:760px;color:#fff}
.hero p.lede{font-size:19px;color:#d8e6f3;max-width:720px;margin:0 0 22px}
.hero .cta-row{display:flex;gap:12px;flex-wrap:wrap}
.hero-art{margin-top:30px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:18px}

/* Layout with fixed left sidebar */
.layout{max-width:1280px;margin:0 auto;padding:26px 16px 10px}
.sidebar{display:none}
.content{min-width:0}
@media (min-width:1100px){
  .layout{display:block}
  .sidebar{display:block;position:fixed;top:86px;left:max(16px,calc(50% - 640px));width:248px;max-height:calc(100vh - 110px);overflow:auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
  .content{margin-left:280px;max-width:860px}
}
.sidebar h4{margin:4px 0 8px;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.sidebar a{display:block;padding:6px 8px;border-radius:8px;color:var(--ink);text-decoration:none;font-size:14.5px}
.sidebar a:hover{background:var(--bg);color:var(--navy)}
.sidebar a.on{background:#fdf1d7;color:#7a5200;font-weight:700}
.chips{display:flex;gap:8px;overflow-x:auto;padding:4px 0 14px;scrollbar-width:none}
.chips a{flex:0 0 auto;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 13px;font-size:14px;text-decoration:none;color:var(--navy2);font-weight:600}
.chips a.on{background:var(--navy);color:#fff;border-color:var(--navy)}
@media (min-width:1100px){.chips{display:none}}

/* Article */
article.page,section.page{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 34px;margin-bottom:26px}
h1{font-size:34px;line-height:1.2;margin:0 0 10px;color:var(--navy)}
h2{font-size:24px;line-height:1.3;margin:30px 0 10px;color:var(--navy)}
h3{font-size:19px;margin:22px 0 8px;color:var(--navy2)}
p{margin:0 0 14px}
.crumb{font-size:13.5px;color:var(--muted);margin-bottom:12px}
.crumb a{color:var(--muted)}
.meta{font-size:13.5px;color:var(--muted);margin-bottom:16px}
.answer{background:#fdf6e0;border:1.5px solid var(--amber);border-radius:12px;padding:16px 18px;margin:18px 0}
.answer strong.tag{display:block;font-size:12.5px;text-transform:uppercase;letter-spacing:.09em;color:var(--amber-d);margin-bottom:6px}
.answer p:last-child{margin-bottom:0}
.skip{background:#fdf0ef;border:1px solid #efc5c2;border-radius:12px;padding:16px 18px;margin:22px 0}
.skip h3{margin-top:0;color:var(--warn)}
.note{background:#eef4ea;border:1px solid #cfe0c3;border-radius:12px;padding:14px 16px;margin:18px 0;font-size:15.5px}
.sources{border-top:1px solid var(--line);margin-top:28px;padding-top:14px;font-size:14px;color:var(--muted)}
.disc-strip{background:#eef3f8;border:1px solid var(--line);border-radius:10px;padding:10px 14px;font-size:13.5px;color:#3d5266;margin:0 0 18px}
table{width:100%;border-collapse:collapse;margin:16px 0;font-size:15.5px}
th,td{border:1px solid var(--line);padding:9px 11px;text-align:left;vertical-align:top}
th{background:var(--navy);color:#fff;font-size:14px}
tr:nth-child(even) td{background:#f9fbfd}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
ul,ol{margin:0 0 14px;padding-left:22px}
li{margin-bottom:6px}
.vendor-row{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}
.vendor-row a{flex:1 1 180px;text-align:center}
.checklist li{list-style:none;position:relative;padding-left:6px}
.checklist{padding-left:4px}
.checklist li::marker{content:""}
.checklist li input{margin-right:9px;transform:scale(1.15)}

/* Cards and grids */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:16px;margin:18px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;display:flex;flex-direction:column;gap:8px}
.card h3{margin:0;font-size:18px}
.card h3 a{text-decoration:none;color:var(--navy)}
.card h3 a:hover{color:var(--amber-d)}
.card p{font-size:15px;color:#3d4c5a;margin:0;flex:1}
.card .tagrow{display:flex;gap:6px;flex-wrap:wrap}
.pill{font-size:12px;font-weight:700;background:#eef3f8;color:var(--navy2);border-radius:999px;padding:3px 9px;text-transform:capitalize}
.pill.amber{background:#fdf1d7;color:#7a5200}
.card .date{font-size:12.5px;color:var(--muted)}
.card-art{border-radius:10px;overflow:hidden;line-height:0}
.hubcards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px;margin:20px 0}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}
.filters select{font:inherit;font-size:15px;padding:8px 10px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}
.filters label{font-size:13px;font-weight:700;color:var(--muted);display:flex;flex-direction:column;gap:4px}

/* Tools */
.tool{background:#fff;border:1.5px solid var(--navy);border-radius:var(--radius);padding:22px;margin:20px 0}
.tool h3{margin-top:0}
.loadrow{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line);flex-wrap:wrap}
.loadrow label{flex:1 1 210px;font-weight:600;font-size:15.5px}
.loadrow input[type=number]{width:92px;font:inherit;padding:6px 8px;border:1px solid var(--line);border-radius:8px}
.loadrow .unit{font-size:13px;color:var(--muted)}
.field{display:flex;flex-direction:column;gap:5px;margin:12px 0;max-width:420px}
.field input,.field select{font:inherit;padding:9px 10px;border:1px solid var(--line);border-radius:10px}
.result{background:var(--navy);color:#fff;border-radius:12px;padding:18px;margin-top:18px}
.result table{margin:8px 0}
.result th{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.25)}
.result td{border-color:rgba(255,255,255,.25);color:#fff}
.result tr:nth-child(even) td{background:rgba(255,255,255,.05)}
.result .big{font-size:26px;font-weight:800;color:var(--amber)}
.warnline{color:#ffb4ae;font-weight:600}
th.sortable{cursor:pointer}
th.sortable:hover{background:var(--navy2)}

/* Footer */
footer.site{background:var(--navy);color:#c9d9e8;margin-top:36px;padding:38px 0 28px;font-size:14.5px}
footer.site a{color:#eaf2f9}
footer.site .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:22px;max-width:1180px;margin:0 auto;padding:0 20px}
footer.site h5{color:#fff;margin:0 0 10px;font-size:15px}
footer.site ul{list-style:none;padding:0;margin:0}
footer.site li{margin-bottom:6px}
footer.site .fine{max-width:1180px;margin:22px auto 0;padding:14px 20px 0;border-top:1px solid rgba(255,255,255,.15);color:#9db4c8;font-size:13px}

@media (max-width:900px){
  nav.main{display:none;position:absolute;top:62px;left:0;right:0;background:var(--navy);flex-direction:column;padding:10px 16px 16px;border-top:1px solid rgba(255,255,255,.15)}
  nav.main.open{display:flex}
  .drop{position:static;display:block;background:transparent;border:0;box-shadow:none;padding:0 0 6px 14px;min-width:0}
  .drop a{color:#d8e6f3;padding:6px 8px}
  .drop a.all{border-top:0;color:var(--amber)}
  nav.main .item>button,nav.main .item>a{padding:8px 6px}
  .burger{display:block;margin-left:auto}
  .start-btn{display:none}
  .hero h1{font-size:31px}
  article.page,section.page{padding:22px 18px}
  h1{font-size:27px}
}
@media (max-width:700px){
  table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
  th,td{white-space:nowrap}
  .result table{display:table;white-space:normal}
  .result th,.result td{white-space:normal}
}
@media print{
  header.site,footer.site,.sidebar,.chips,.vendor-row{display:none}
  .content{margin:0}
}