:root{--paper:#f7f3ea;--ink:#101010;--muted:#676158;--line:#bbb3a6;--fire:#ff4b24;--acid:#dfff2f;--card:#fffdf8;--max:1180px;--display:Impact,"Arial Black","Arial Narrow Bold",sans-serif;--mono:"IBM Plex Mono","Courier New",monospace}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px}
body{margin:0;min-width:320px;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:17px;line-height:1.6}
img{display:block;max-width:100%}
a{color:inherit;text-underline-offset:4px}
button{font:inherit}
:focus-visible{outline:3px solid var(--fire);outline-offset:3px}
.skip-link{position:fixed;z-index:100;left:12px;top:12px;padding:10px 14px;background:var(--ink);color:#fff;transform:translateY(-160%)}
.skip-link:focus{transform:none}
.site-header{position:sticky;z-index:20;top:0;background:rgba(247,243,234,.94);border-bottom:2px solid var(--ink);backdrop-filter:blur(12px)}
.header-inner{width:min(calc(100% - 32px),var(--max));height:72px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font:30px/.9 var(--display);letter-spacing:-.03em;text-transform:lowercase}
.brand img{width:38px;height:38px;border:2px solid var(--ink)}
.header-actions{display:flex;align-items:center;gap:14px}
.app-link,.hero-actions a,.section-link{display:inline-flex;align-items:center;justify-content:space-between;gap:20px;min-height:48px;padding:0 16px;border:2px solid var(--ink);background:var(--fire);color:var(--ink);font:700 12px/1 var(--mono);letter-spacing:.05em;text-decoration:none;text-transform:uppercase;box-shadow:4px 4px 0 var(--ink)}
.menu-button{display:none;width:48px;height:48px;border:2px solid var(--ink);background:transparent;font:24px/1 var(--mono)}
.layout{width:min(calc(100% - 32px),var(--max));margin:auto;display:grid;grid-template-columns:240px minmax(0,1fr);gap:64px}
.side-nav{position:sticky;top:98px;align-self:start;padding:24px 0}
.side-nav b{display:block;margin-bottom:14px;font:700 10px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.side-nav a{display:block;padding:10px 12px;border-left:2px solid var(--line);font:600 12px/1.3 var(--mono);text-decoration:none}
.side-nav a:hover,.side-nav a.is-active{border-left-color:var(--fire);background:#fff;color:#000}
main{min-width:0}
.hero{min-height:calc(100vh - 72px);padding:72px 0 64px;display:grid;align-content:center}
.eyebrow,.section-kicker{display:block;margin-bottom:18px;color:var(--fire);font:800 11px/1.2 var(--mono);letter-spacing:.13em;text-transform:uppercase}
.hero h1,.guide-section h2{margin:0;font-family:var(--display);font-weight:400;letter-spacing:-.045em;text-transform:uppercase}
.hero h1{max-width:9ch;font-size:clamp(4rem,11vw,8.5rem);line-height:.82}
.hero-lead{max-width:650px;margin:26px 0 0;font-size:clamp(1.15rem,2.3vw,1.55rem);line-height:1.35}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}.hero-actions a.secondary{background:transparent}
.truth-strip{margin-top:48px;padding:22px;border:2px solid var(--ink);background:var(--acid);box-shadow:8px 8px 0 var(--ink);font:700 14px/1.5 var(--mono)}
.guide-section{padding:92px 0;border-top:2px solid var(--ink)}
.guide-section h2{max-width:12ch;font-size:clamp(3rem,7vw,6.2rem);line-height:.86}
.section-intro{max-width:700px;margin:22px 0 42px;font-size:1.15rem;color:#393631}
.steps{display:grid;counter-reset:steps;border-top:1px solid var(--ink)}
.step{counter-increment:steps;display:grid;grid-template-columns:64px minmax(0,1fr);gap:20px;padding:22px 0;border-bottom:1px solid var(--ink)}
.step::before{content:counter(steps,decimal-leading-zero);font:700 13px/1 var(--mono);color:var(--fire)}
.step h3{margin:0 0 6px;font:26px/1 var(--display);letter-spacing:-.03em;text-transform:uppercase}.step p{margin:0;color:var(--muted)}
.device-grid,.feature-grid,.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:32px}
.device-card,.feature-card,.faq-card{padding:24px;border:1px solid var(--ink);background:var(--card)}
.device-card h3,.feature-card h3,.faq-card h3{margin:0 0 10px;font:24px/1 var(--display);text-transform:uppercase}.device-card ol,.feature-card ul{margin:0;padding-left:20px}.device-card li+li,.feature-card li+li{margin-top:8px}
.shot{margin:42px 0 0;padding:14px;background:#e9e2d6;border:2px solid var(--ink);box-shadow:8px 8px 0 var(--ink)}
.shot img{width:100%;max-height:720px;object-fit:contain;background:#121212}
.shot figcaption{padding:12px 2px 0;font:600 11px/1.5 var(--mono);color:var(--muted)}
.warning,.success,.note{margin:30px 0;padding:22px;border:2px solid var(--ink);font:600 14px/1.55 var(--mono)}
.warning{background:#ffe1d8}.success{background:var(--acid)}.note{background:#fff}
.warning strong,.success strong,.note strong{display:block;margin-bottom:6px;font-family:var(--display);font-size:22px;line-height:1;text-transform:uppercase}
.flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;margin:34px 0;border:2px solid var(--ink)}
.flow div{position:relative;padding:18px 14px;min-height:108px;background:#fff;border-right:1px solid var(--ink);font:700 12px/1.4 var(--mono)}.flow div:last-child{border-right:0;background:var(--acid)}.flow span{display:block;margin-bottom:9px;color:var(--fire);font-size:10px}
.checklist{display:grid;gap:0;margin-top:28px;border:2px solid var(--ink);background:#fff}.checklist label{display:grid;grid-template-columns:28px 1fr;gap:12px;padding:16px;border-bottom:1px solid var(--ink);cursor:pointer}.checklist label:last-child{border:0}.checklist input{width:20px;height:20px;accent-color:var(--fire)}
.section-link{margin-top:28px}.section-link.secondary{background:transparent}
.site-footer{margin-top:40px;background:var(--ink);color:#ede8de}.footer-inner{width:min(calc(100% - 32px),var(--max));margin:auto;padding:42px 0;display:flex;align-items:flex-end;justify-content:space-between;gap:30px}.footer-logo{width:220px}.footer-inner p{margin:12px 0 0;color:#aaa39a;font:12px/1.5 var(--mono)}.to-top{color:#ede8de;font:700 12px/1 var(--mono)}
@media(max-width:860px){html{scroll-padding-top:76px}.header-inner{height:64px}.app-link{display:none}.menu-button{display:block}.layout{display:block}.side-nav{position:fixed;z-index:30;inset:64px 0 auto;background:var(--paper);padding:18px 16px 24px;border-bottom:2px solid var(--ink);transform:translateY(-120%);transition:transform .2s}.side-nav.is-open{transform:none}.side-nav b{display:none}.side-nav a{padding:11px 14px;border-left:0;border-bottom:1px solid var(--line)}.hero{min-height:auto;padding:72px 0}.flow{grid-template-columns:1fr}.flow div{min-height:0;border-right:0;border-bottom:1px solid var(--ink)}.flow div:last-child{border-bottom:0}}
@media(max-width:620px){body{font-size:16px}.layout{width:min(calc(100% - 24px),var(--max))}.brand{font-size:25px}.brand img{width:34px;height:34px}.hero h1{font-size:clamp(3.7rem,22vw,6rem)}.guide-section{padding:72px 0}.guide-section h2{font-size:clamp(3rem,17vw,5rem)}.device-grid,.feature-grid,.faq-grid{grid-template-columns:1fr}.step{grid-template-columns:44px 1fr;gap:12px}.shot{margin-left:-4px;margin-right:-4px;padding:8px;box-shadow:5px 5px 0 var(--ink)}.footer-inner{align-items:flex-start;flex-direction:column}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.side-nav{transition:none}}
@media print{.site-header,.side-nav,.hero-actions,.section-link,.to-top{display:none!important}.layout{display:block;width:100%}.hero{min-height:0}.guide-section{page-break-before:always}.shot{box-shadow:none}.site-footer{background:#fff;color:#000}}