/* Power Outage Prep — static site draft v2 (2026-11-15). System fonts only, no external requests. */
:root{
  --night:#0d1b2a; --night-2:#14273d; --ink:#1b2430; --muted:#5a6675; --bg:#fbf8f2; --surface:#ffffff;
  --border:#e6dfd2; --amber:#f5a524; --amber-2:#d9890a; --amber-ink:#1b1300; --ok:#1f7a4d; --warn:#b4231a;
  --focus:#2f6feb; --radius:14px; --shadow:0 10px 30px rgba(13,27,42,.08);
  --wrap:1120px; --read:72ch;
  --font: system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --display: ui-serif,Georgia,"Times New Roman",serif;
}
*{box-sizing:border-box} html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;font-family:var(--font);font-size:17px;line-height:1.65;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
@media (min-width:900px){body{font-size:18px}}
img{max-width:100%;height:auto}
a{color:#0b5cad;text-underline-offset:3px} a:hover{color:#08427c}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:#fff;padding:10px 14px;z-index:100}.skip:focus{left:10px;top:10px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(13,27,42,.96);backdrop-filter:saturate(1.2) blur(6px);border-bottom:1px solid rgba(255,255,255,.08)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800;letter-spacing:.2px}
.brand svg{flex:none}
.nav{display:flex;gap:6px;flex-wrap:wrap}
.nav a{color:#dfe7f1;text-decoration:none;padding:10px 12px;border-radius:10px;font-size:15px;min-height:44px;display:inline-flex;align-items:center}
.nav a:hover,.nav a[aria-current="page"]{background:rgba(255,255,255,.1);color:#fff}
@media (max-width:640px){
  html{scroll-padding-top:88px}
  .site-header .wrap{padding:10px 8px;gap:8px}
  .nav{flex-wrap:nowrap;gap:2px}
  .nav a{padding:10px 8px}
  .nav a.hide-sm{display:none}
  .brand span{white-space:nowrap;font-size:15px}
  .toc{top:88px}
}

/* Disclosure strip */
.disclosure{background:#fff7e6;border-bottom:1px solid #f1dfb8;color:#5b4410;font-size:14px;line-height:1.5}
.disclosure .wrap{padding-top:10px;padding-bottom:10px}

/* Hero */
.hero{position:relative;overflow:hidden;color:#eef3f9;background:
  radial-gradient(600px 380px at 82% 28%,rgba(245,165,36,.35),transparent 60%),
  radial-gradient(900px 500px at 10% 120%,rgba(47,111,235,.25),transparent 60%),
  linear-gradient(180deg,var(--night) 0%,var(--night-2) 100%)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;padding-top:72px;padding-bottom:80px}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr;padding-top:44px;padding-bottom:52px}.hero-art{max-width:320px;margin:0 auto}}
.eyebrow{display:inline-block;font-size:14px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--amber);margin-bottom:14px}
.hero h1{font-family:var(--display);font-weight:700;font-size:clamp(2.1rem,4.2vw + .8rem,3.7rem);line-height:1.08;margin:0 0 18px;color:#fff;text-wrap:balance}
.hero p.lead{font-size:clamp(1.05rem,1vw + .8rem,1.25rem);color:#c9d5e3;max-width:56ch;margin:0 0 28px}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 20px;border-radius:12px;font-weight:700;text-decoration:none;font-size:16px;transition:transform .15s ease,background .2s ease}
.btn-primary{background:var(--amber);color:var(--amber-ink)} .btn-primary:hover{background:var(--amber-2);color:var(--amber-ink);transform:translateY(-1px)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.35);color:#fff} .btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff}
.btn-buy{background:var(--night);color:#fff;font-size:15px;min-height:44px;padding:10px 16px} .btn-buy:hover{background:#1e3a58;color:#fff}
.btn-alt{background:#fff;color:var(--night);border:1.5px solid var(--border);font-size:15px;min-height:44px;padding:10px 16px} .btn-alt:hover{border-color:var(--night);color:var(--night)}
.hero-facts{display:flex;gap:22px;flex-wrap:wrap;margin-top:30px;font-size:14px;color:#a9b8ca}
.hero-facts strong{display:block;color:#fff;font-size:22px;font-family:var(--display)}

/* Sections */
section{padding:64px 0} section.tight{padding:44px 0}
.section-head{max-width:760px;margin-bottom:28px}
.section-head h2{font-family:var(--display);font-size:clamp(1.6rem,2vw + 1rem,2.4rem);line-height:1.15;margin:0 0 10px}
.section-head p{color:var(--muted);margin:0}
.kicker{font-size:14px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#9a5b00}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:s}
@media (max-width:860px){.steps{grid-template-columns:1fr}}
.step{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);position:relative}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-14px;left:20px;width:34px;height:34px;border-radius:50%;background:var(--amber);color:var(--amber-ink);font-weight:800;display:grid;place-items:center}
.step h3{margin:10px 0 6px;font-size:1.1rem}
.step p{margin:0;color:var(--muted);font-size:.97rem}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:980px){.cards{grid-template-columns:repeat(2,1fr)}} @media (max-width:640px){.cards{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow)}
.card .tag{align-self:flex-start;font-size:13px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;background:#eef3fb;color:#24456e;padding:5px 10px;border-radius:999px}
.card .tag.amber{background:#fff1d6;color:#7a4c00}
.card h3{margin:0;font-size:1.15rem;line-height:1.3}
.card p{margin:0;color:var(--muted);font-size:.96rem}
.card .meta{font-size:.9rem;color:var(--ink)}
.card .actions{margin-top:auto;display:flex;gap:8px;flex-wrap:wrap;padding-top:6px}
.note{font-size:.85rem;color:var(--muted)}

/* Safety band */
.band{background:var(--night);color:#e7eef7}
.band .section-head h2{color:#fff} .band .section-head p{color:#b3c2d4}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media (max-width:860px){.facts{grid-template-columns:repeat(2,1fr)}} @media (max-width:420px){.facts{grid-template-columns:1fr}}
.fact{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:20px}
.fact strong{display:block;font-family:var(--display);font-size:2rem;color:var(--amber);line-height:1.1}
.fact span{font-size:.95rem;color:#cfdae7}
.band a{color:#ffd58a}

/* Book */
.book{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:start;background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:28px;box-shadow:var(--shadow)}
@media (max-width:860px){.book{grid-template-columns:1fr}}
.checks{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.checks li{padding-left:30px;position:relative}
.checks li::before{position:absolute;left:0;top:0;font-weight:800}
.checks li.y::before{content:"✓";color:var(--ok)} .checks li.n::before{content:"✕";color:var(--warn)}

/* Article */
.article-hero{background:linear-gradient(180deg,var(--night),var(--night-2));color:#e9f0f8;padding:52px 0 40px}
.article-hero h1{font-family:var(--display);font-size:clamp(1.9rem,3vw + 1rem,3rem);line-height:1.12;margin:0 0 14px;color:#fff;max-width:24ch}
.article-hero p{color:#c3d0de;max-width:62ch;margin:0}
.byline{margin-top:16px;font-size:14px;color:#9fb1c6}
.layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;padding:44px 20px 70px}
@media (max-width:980px){.layout{grid-template-columns:minmax(0,1fr);gap:20px}}
.toc{position:sticky;top:88px;align-self:start;font-size:15px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px}
.toc strong{display:block;margin-bottom:8px;font-size:14px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.toc ol{margin:0;padding-left:18px} .toc li{margin:6px 0} .toc a{text-decoration:none;color:var(--ink)} .toc a:hover{color:#0b5cad}
@media (max-width:980px){.toc{position:static}}
.prose{max-width:var(--read)}
.prose h2{font-family:var(--display);font-size:clamp(1.45rem,1.4vw + 1rem,2rem);line-height:1.2;margin:2.2em 0 .5em;padding-top:.2em}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:1.15rem;margin:1.6em 0 .4em}
.prose p,.prose li{margin:.6em 0}
.callout{background:#fff7e6;border:1px solid #f1dfb8;border-left:5px solid var(--amber);border-radius:12px;padding:16px 18px;margin:1.2em 0;font-size:.97rem}
.callout.info{background:#eef4fd;border-color:#cddcf3;border-left-color:#2f6feb}
.callout.warn{background:#fdf0ee;border-color:#f3cfc9;border-left-color:var(--warn)}
.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:12px;background:var(--surface);margin:1em 0}
table{border-collapse:collapse;width:100%;font-size:.95rem;min-width:620px}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--border);vertical-align:top}
th{background:#f4efe6;font-size:.85rem;letter-spacing:.04em;text-transform:uppercase;color:#4a5361}
tr:last-child td{border-bottom:0}
.pick{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;margin:1.1em 0;box-shadow:var(--shadow)}
.pick h3{margin:0 0 6px}
.pick .skip-if{color:var(--muted);font-size:.95rem}
details{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 18px;margin:10px 0}
summary{cursor:pointer;font-weight:700;min-height:44px;display:flex;align-items:center}
details p{margin:.6em 0 0}

/* Plain pages */
.page{padding:48px 20px 70px}
.page h1{font-family:var(--display);font-size:clamp(1.9rem,3vw + 1rem,2.8rem);margin:0 0 12px}

/* Footer */
.site-footer{background:#0a1522;color:#a8b6c6;font-size:14px;padding:40px 0}
.site-footer .wrap{display:grid;gap:14px}
.site-footer a{color:#dbe5f0}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}
.foot-links a{padding:10px 0;display:inline-block}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Stack comparison tables as cards under 640px (S5 / S14) */
@media (max-width:640px){
  .table-wrap{overflow:visible;border:0;background:transparent}
  .table-wrap table{min-width:0}
  .table-wrap thead{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
  .table-wrap tbody tr{display:block;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 16px;margin:0 0 12px;box-shadow:var(--shadow)}
  .table-wrap tbody td{display:block;border:0;padding:6px 0;min-width:0}
  .table-wrap tbody td::before{content:attr(data-label);display:block;font-weight:700;font-size:.8rem;letter-spacing:.04em;text-transform:uppercase;color:#4a5361;margin-bottom:2px}
}