:root{--bp:#0a3d7a;--bp2:#0d4c96;--bp-d:#072b57;--aqua:#16b4c8;--aqua-d:#0e8fa0;--paper:#f3f8fb;--white:#fff;--ink:#10243a;--text:#2c4056;--muted:#60758a;--line:#d3e0ea;--sig:#ff6b2c;--sig-d:#e8561a;--warn:#fff4e5;--warn-b:#f0b45a;--r:12px}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:78px}
body{font-family:'IBM Plex Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;color:var(--text);background:#fff;line-height:1.7;font-size:17px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--bp2)}
h1,h2,h3{font-family:'Archivo',system-ui,sans-serif;color:var(--ink);line-height:1.12;font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(2.3rem,5vw,3.8rem)}
h2{font-size:clamp(1.8rem,3.5vw,2.6rem);margin-bottom:.7rem}
h3{font-size:1.25rem;margin-bottom:.4rem;font-weight:700}
p+p{margin-top:1rem}
.wrap{width:min(1140px,92%);margin-inline:auto}
.narrow{width:min(780px,92%);margin-inline:auto}
section{padding:clamp(54px,8vw,96px) 0}
.lead{font-size:1.14rem;color:var(--muted);max-width:64ch}
.c{text-align:center}.c .lead{margin-inline:auto}
.mono{font-family:'IBM Plex Mono',ui-monospace,monospace}
:focus-visible{outline:3px solid var(--sig);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;background:#fff;padding:10px 16px;z-index:100}.skip:focus{left:8px;top:8px}
.bar{background:var(--bp-d);color:#cfe0f3;text-align:center;font-size:.9rem;padding:9px 12px}.bar b{color:#fff}
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-family:'Archivo',sans-serif;font-weight:800;font-size:1.45rem;color:var(--ink);text-decoration:none;letter-spacing:-.02em}
.logo i{font-style:normal;color:var(--aqua-d)}
.nav ul{display:flex;gap:26px;list-style:none;align-items:center}
.nav a.l{color:var(--text);text-decoration:none;font-weight:500;font-size:.95rem}.nav a.l:hover{color:var(--bp2)}
.btn{display:inline-block;background:var(--sig);color:#fff;font-weight:700;text-decoration:none;padding:16px 32px;border-radius:8px;border:0;cursor:pointer;font-size:1.05rem;font-family:'Archivo',sans-serif;transition:background .2s,transform .2s;box-shadow:0 8px 20px rgba(255,107,44,.35)}
.btn:hover{background:var(--sig-d);transform:translateY(-2px)}
.btn.sm{padding:10px 20px;font-size:.95rem;box-shadow:none}
.btn.w{width:100%;text-align:center}
.menu-btn{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:8px 14px;cursor:pointer;font:inherit}
/* blueprint hero */
.hero{background-color:var(--bp);background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:80px 80px,80px 80px,16px 16px,16px 16px;color:#d6e6f7;padding:clamp(48px,7vw,92px) 0}
.hero .g{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.hero h1{color:#fff}
.hero .lead{color:#bcd3ea;margin:22px 0 30px}
.tag{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:.82rem;color:#9fd8e2;border:1px solid rgba(159,216,226,.45);padding:5px 12px;border-radius:4px;margin-bottom:20px}
.row{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.row a.t{color:#cfe3f5}
.assure{display:flex;gap:10px 24px;flex-wrap:wrap;margin-top:28px;list-style:none;font-size:.94rem;color:#bcd3ea}
.assure li::before{content:"✓";color:var(--aqua);font-weight:700;margin-right:8px}
.hero img{width:100%;filter:drop-shadow(0 24px 36px rgba(0,0,0,.4))}
.strip{background:#fff;border-bottom:1px solid var(--line);padding:26px 0}
.strip ul{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;list-style:none;text-align:center}
.strip b{display:block;font-family:'Archivo',sans-serif;color:var(--ink);font-size:1.05rem}
.strip span{font-size:.88rem;color:var(--muted)}
.alt{background:var(--paper)}
.sec-head{margin-bottom:44px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;border-top:4px solid var(--aqua)}
.card p{font-size:.97rem;color:var(--muted)}
.checks{list-style:none;margin-top:20px;display:grid;gap:12px}
.checks li{padding-left:32px;position:relative}
.checks li::before{content:"✓";position:absolute;left:0;top:2px;width:22px;height:22px;border-radius:4px;background:var(--aqua-d);color:#fff;font-size:.78rem;display:grid;place-items:center;font-weight:700}
.diagram{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;margin-bottom:34px}
.diagram svg{width:100%;height:auto;display:block}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px}
.step::before{counter-increment:s;content:"0" counter(s);display:block;font-family:'IBM Plex Mono',monospace;color:var(--aqua-d);font-weight:600;margin-bottom:8px}
.step p{font-size:.95rem;color:var(--muted)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.is,.isnt{border-radius:var(--r);padding:30px;border:1px solid var(--line);background:#fff}
.is{border-top:4px solid var(--aqua-d)}.isnt{border-top:4px solid var(--warn-b)}
.is ul,.isnt ul{list-style:none;margin-top:14px;display:grid;gap:12px;font-size:.97rem}
.is li,.isnt li{padding-left:28px;position:relative}
.is li::before{content:"✓";position:absolute;left:0;color:var(--aqua-d);font-weight:700}
.isnt li::before{content:"!";position:absolute;left:3px;color:#c97a10;font-weight:800}
.safety{background:var(--warn);border:2px solid var(--warn-b);border-radius:var(--r);padding:32px}
.safety h2{font-size:1.8rem}
.safety ul{margin:14px 0 0 20px;display:grid;gap:10px}
.timeline{display:grid;gap:0;max-width:760px;margin:auto;border-left:3px solid var(--line);padding-left:30px}
.tl{padding-bottom:26px;position:relative}
.tl::before{content:"";position:absolute;left:-39px;top:7px;width:15px;height:15px;border-radius:3px;background:var(--aqua-d);border:3px solid #fff;box-shadow:0 0 0 2px var(--aqua-d)}
.tl h3{font-size:1.1rem;margin-bottom:2px}.tl p{font-size:.96rem;color:var(--muted)}
table.cmp{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);font-size:.96rem}
.cmp th,.cmp td{padding:15px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.cmp thead th{background:var(--bp);color:#fff;font-family:'Archivo',sans-serif}
.cmp tbody th{color:var(--ink);width:24%}
.cmp td:nth-child(2){background:#f1fafc}
.scroll{overflow-x:auto}
.offer{background:linear-gradient(180deg,var(--paper),#e2eef6)}
.box{max-width:900px;margin:auto;background:#fff;border:2px solid var(--bp);border-radius:18px;overflow:hidden;box-shadow:0 24px 60px rgba(10,61,122,.18)}
.box .top{background:var(--bp);padding:30px;display:grid;place-items:center}
.box .top img{max-width:520px;width:100%}
.box .in{padding:34px;display:grid;grid-template-columns:1.1fr .9fr;gap:36px}
.price{font-family:'Archivo',sans-serif;font-size:3.6rem;font-weight:800;color:var(--ink);line-height:1}
.price small{display:block;font-family:'IBM Plex Sans',sans-serif;font-size:.95rem;font-weight:400;color:var(--muted);margin-top:8px}
.bonus{background:var(--paper);border:1px dashed #8fb2cc;border-radius:10px;padding:14px 16px;margin-top:12px}
.bonus b{color:var(--ink);font-family:'Archivo',sans-serif}.bonus span{display:block;font-size:.92rem;color:var(--muted)}
.note{font-size:.87rem;color:var(--muted);text-align:center;margin-top:20px}
.guar{display:grid;grid-template-columns:200px 1fr;gap:36px;align-items:center;max-width:820px;margin:auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:12px;padding:0 22px}
.faq summary{cursor:pointer;font-weight:600;color:var(--ink);padding:20px 30px 20px 0;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--aqua-d);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq details p{padding-bottom:20px;color:var(--muted)}
.final{background:var(--bp);color:#fff;text-align:center}.final h2{color:#fff}.final p{color:#bcd3ea;max-width:60ch;margin:12px auto 28px}
footer{background:#071e3b;color:#9db4cc;padding:56px 0 110px;font-size:.88rem}
footer .cols{display:flex;justify-content:space-between;flex-wrap:wrap;gap:28px;margin-bottom:28px}
footer a{color:#d3e3f4;text-decoration:none}footer a:hover{text-decoration:underline}
footer ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px 22px;max-width:620px}
footer .logo{color:#fff}footer .logo i{color:#6fd3e2}
footer .legal p{margin-top:12px;line-height:1.6}
.sticky{position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--line);padding:10px 4%;display:none;z-index:40;align-items:center;justify-content:space-between;gap:12px;box-shadow:0 -6px 20px rgba(0,0,0,.08)}
.sticky span{font-weight:600;color:var(--ink);font-size:.95rem}
.doc{padding:56px 0 80px}.doc h1{font-size:clamp(2rem,4vw,2.7rem);margin-bottom:6px}.doc .upd{color:var(--muted);margin-bottom:30px}
.doc h2{font-size:1.45rem;margin:32px 0 8px}.doc p,.doc li{color:#2c4056}.doc ul{margin:10px 0 0 22px;display:grid;gap:6px}
.doc .callout{background:var(--warn);border-left:4px solid var(--warn-b);padding:16px 20px;border-radius:8px;margin:20px 0}
@media(max-width:960px){
.hero .g,.split,.two,.box .in{grid-template-columns:1fr}
.hero img{max-width:560px;margin-inline:auto}
.strip ul{grid-template-columns:1fr 1fr}
.cards,.steps{grid-template-columns:1fr}
.nav ul{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;padding:18px 0;border-bottom:1px solid var(--line);gap:16px}
.nav ul.open{display:flex}.menu-btn{display:block}.sticky{display:flex}}
@media(max-width:620px){body{font-size:16px}.guar{grid-template-columns:1fr;text-align:center}.guar img{margin:auto;width:160px}.price{font-size:3rem}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* seo pages */
.nav ul{gap:20px}
.phead{background:var(--bp);color:#d6e6f7;padding:34px 0 40px}
.phead h1{color:#fff;font-size:clamp(1.9rem,4vw,2.9rem);max-width:22ch}
.phead .lead{color:#bcd3ea;margin-top:14px}
.phead .meta{color:#9fd8e2;font-family:'IBM Plex Mono',monospace;font-size:.8rem;margin-top:16px}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;font-size:.88rem;margin-bottom:16px}
.crumbs li+li::before{content:"/";margin-right:6px;color:#7fa3c7}
.crumbs a{color:#cfe3f5}
.art{padding:48px 0 70px}
.art h2{font-size:clamp(1.45rem,3vw,1.9rem);margin:2.2rem 0 .6rem}
.art h3{margin-top:1.3rem}
.art p,.art li{margin-top:.8rem}
.art ul,.art ol{margin:.6rem 0 0 1.3rem}
.art section{padding:0}
.art .answer{background:var(--paper);border:1px solid var(--line);border-left:5px solid var(--aqua-d);border-radius:var(--r);padding:24px 26px}
.art .answer h2{margin-top:0}
.facts{list-style:none;margin:1rem 0 0!important;display:grid;gap:6px;font-size:.96rem}
#answer .facts{margin-left:0}
.facts li{margin:0!important}
.fig{margin:1.6rem 0}
.fig img{border-radius:var(--r);background:var(--bp);padding:14px;margin:auto;max-width:560px}
.fig figcaption{font-size:.85rem;color:var(--muted);text-align:center;margin-top:8px}
.small-fig img{max-width:160px;background:none;padding:0}
.small{font-size:.9rem;color:var(--muted)}
.safety.sm{padding:22px 24px;margin:1rem 0}.safety.sm h2{font-size:1.25rem;margin:0 0 6px}
.ctarow{display:flex;flex-wrap:wrap;gap:12px 18px;align-items:center;margin-top:1.4rem}
.ctanote{font-size:.85rem;color:var(--muted);max-width:40ch}
.disc{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:14px 18px;font-size:.9rem;margin-top:2rem}
.c-disc{max-width:900px;margin:20px auto 0}
.method,.sources{margin-top:2.4rem;font-size:.95rem}
.sources ol{margin-left:1.4rem}.sources li{font-size:.9rem;color:var(--muted)}
.faq.inart details{margin-bottom:12px}
a.card.rel{text-decoration:none;display:block}a.card.rel:hover{border-top-color:var(--sig)}
.verdict-mini{margin-top:1rem}
.art .two{margin-top:1rem}
.art table{margin-top:1rem}
.skip:focus{z-index:200}
@media(max-width:1100px) and (min-width:961px){.nav ul{gap:12px}.nav a.l{font-size:.86rem}.logo{font-size:1.25rem}}
@media(max-width:620px){.ctarow .btn{width:100%;text-align:center}}