:root{--wide:900px;--ink:#1e2330;--muted:#5b6473;--line:#e6e9ef;--bg:#fff;--bg2:#f6f7f9;--accent:#e0432a;--accent-d:#bf3620;--gold:#f2b233;--dark:#141519;--ok:#1f8a4c;--warn:#b7791f;--r:14px;--maxw:1140px;--readw:760px;--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;font-size:clamp(1rem,.95rem + .25vw,1.0625rem);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent-d);text-decoration-thickness:1px;text-underline-offset:2px}a:hover{color:var(--accent)}
h1,h2,h3,h4{line-height:1.2;color:var(--dark);margin:0 0 .6em;font-weight:800;letter-spacing:-.01em;overflow-wrap:anywhere}
h1{font-size:clamp(1.75rem,1.3rem + 2.2vw,2.75rem)}h2{font-size:clamp(1.4rem,1.15rem + 1.2vw,2rem);margin-top:2.2em}h3{font-size:clamp(1.15rem,1.05rem + .5vw,1.35rem);margin-top:1.6em}h4{font-size:1.05rem;margin-top:1.3em}
p,ul,ol{margin:0 0 1.1em}li{margin-bottom:.35em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(16px,4vw,32px)}
.skip{position:absolute;left:-999px;top:0;background:var(--dark);color:#fff;padding:8px 12px;z-index:200}.skip:focus{left:8px;top:8px}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
/* header */
.site-header{background:var(--dark);color:#fff;position:sticky;top:0;z-index:100;box-shadow:0 2px 12px rgba(0,0,0,.25)}
.hdr{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:16px;position:relative;max-width:1240px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800;font-size:1.15rem;letter-spacing:.02em;white-space:nowrap}.brand img{border-radius:8px}.brand em{font-style:normal;color:var(--gold);margin-left:4px;font-weight:600}
.mainnav ul{list-style:none;margin:0;padding:0;display:flex;gap:2px;align-items:center}
.mainnav a{color:#e9ebf0;text-decoration:none;padding:10px 9px;border-radius:8px;font-weight:600;font-size:.9rem;display:block;white-space:nowrap}.mainnav a:hover,.mainnav a.active{background:rgba(255,255,255,.1);color:#fff}
.nav-cta{margin-left:8px}.mainnav a.btn-nav{background:var(--accent);color:#fff;padding:10px 16px;border-radius:999px;font-weight:700;white-space:nowrap}.mainnav a.btn-nav:hover{background:var(--accent-d);color:#fff}
.nav-note{display:none}
.burger{display:none;background:none;border:0;width:48px;height:48px;padding:10px;cursor:pointer;border-radius:8px}.burger span{display:block;height:3px;background:#fff;margin:6px 0;border-radius:2px;transition:transform .25s,opacity .2s}
.burger[aria-expanded=true] span:nth-child(1){transform:translateY(9px) rotate(45deg)}.burger[aria-expanded=true] span:nth-child(2){opacity:0}.burger[aria-expanded=true] span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}
@media(max-width:1140px){
 .burger{display:block}
 .mainnav{position:absolute;top:100%;left:0;right:0;background:var(--dark);padding:8px 16px 20px;display:none;border-top:1px solid rgba(255,255,255,.1);box-shadow:0 12px 24px rgba(0,0,0,.35)}
 .mainnav.open{display:block}
 .mainnav ul{flex-direction:column;gap:0;align-items:stretch}.mainnav a{padding:14px 10px;font-size:1.05rem;border-bottom:1px solid rgba(255,255,255,.08)}
 .nav-cta{margin:14px 0 0}.mainnav a.btn-nav{text-align:center;display:block;border-bottom:0;border-radius:12px;padding:15px 16px;font-size:1.05rem}
 .nav-note{display:block;color:#9aa3b2;font-size:.85rem;margin:12px 10px 0}
}
/* hero */
.hero{background:linear-gradient(180deg,#fff 0%,#fbf4ef 100%);border-bottom:1px solid var(--line);padding:clamp(28px,5vw,64px) 0}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,4vw,56px);align-items:center}
.hero h1{margin-bottom:.4em}.hero .lede{font-size:clamp(1.05rem,1rem + .4vw,1.25rem);color:var(--muted);max-width:60ch}
.hero-img{justify-self:center;width:min(100%,520px)}
.hero-facts{display:flex;flex-wrap:wrap;gap:8px 18px;margin:18px 0;padding:0;list-style:none;font-size:.95rem}.hero-facts li{display:flex;align-items:center;gap:6px}.hero-facts li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}
@media(max-width:820px){.hero-grid{grid-template-columns:1fr}.hero-img{order:-1;width:min(80%,360px)}}
.kicker{text-transform:uppercase;letter-spacing:.12em;font-size:.75rem;font-weight:700;color:var(--accent);margin:0 0 10px}
.byline{color:var(--muted);font-size:.9rem;margin:8px 0 0}
.page-head{padding:clamp(20px,4vw,40px) 0 10px;max-width:var(--wide)}
/* crumbs */
.crumbs{font-size:.85rem;color:var(--muted);padding:14px 0 0}.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0}.crumbs li+li::before{content:"/";margin-right:6px;color:#b6bcc7}.crumbs a{color:var(--muted)}
/* article */
.article{padding:8px 0 60px;max-width:var(--wide);margin:0 auto}
.crumbs{max-width:var(--wide);margin:0 auto}
.article>p,.article>ul,.article>ol,.article>h2,.article>h3,.article>h4,.article>blockquote,.article>.callout,.article>.quick,.article>.faq,.article>.fig,.article>.cta-block,.article>.verdict,.article>.refs,.article>.byline,.article>.proscons,.article>.toc,.article>.page-head,.article>.evidence-grid,.article>.stepper,.article>.pill-row,.article>.section-intro,.article>.faq-section{max-width:var(--readw)}
.article>.table-wrap,.article>.pkg-grid,.article>.related,.article>.cards,.article>.wide{max-width:var(--maxw)}
.section-intro{font-size:1.1rem;color:var(--muted)}
.lead{font-size:1.15rem}
blockquote{border-left:4px solid var(--gold);margin:1.4em 0;padding:.4em 1.1em;background:var(--bg2);border-radius:0 10px 10px 0;color:#3a4150}
/* toc */
.toc{background:var(--bg2);border:1px solid var(--line);border-radius:var(--r);padding:8px 18px;margin:20px 0 28px}.toc summary{cursor:pointer;font-weight:700;padding:8px 0;list-style:none}.toc summary::-webkit-details-marker{display:none}.toc summary::after{content:"▾";float:right;color:var(--muted)}.toc details[open] summary::after{content:"▴"}
.toc ol{columns:2;column-gap:28px;margin:6px 0 10px;padding-left:20px;font-size:.93rem}.toc li{break-inside:avoid;margin-bottom:5px}.toc a{color:var(--ink);text-decoration:none}.toc a:hover{color:var(--accent)}
@media(max-width:600px){.toc ol{columns:1}}
/* quick answers */
.quick{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:0 8px 28px rgba(20,21,25,.06);padding:20px 22px;margin:24px 0}.quick-title{font-weight:800;text-transform:uppercase;letter-spacing:.1em;font-size:.75rem;color:var(--accent);margin:0 0 10px}
.quick dl{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px;margin:0}.quick dt{font-weight:700;font-size:.85rem;color:var(--muted)}.quick dd{margin:2px 0 0;font-size:.97rem}
@media(max-width:640px){.quick dl{grid-template-columns:1fr}}
/* tags */
.tag{display:inline-block;font-size:.7rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:2px 8px;border-radius:999px;vertical-align:middle;margin-right:6px;white-space:nowrap}
.tag-label{background:#e8f4ec;color:#1f6a3d}.tag-vendor{background:#fff1d6;color:#8a5a00}.tag-evidence{background:#e5efff;color:#1f4fa3}.tag-editorial{background:#efe9ff;color:#5a3ea6}.tag-unverified{background:#f3f4f6;color:#555}
.pill-row{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 20px}.pill-row .tag{font-size:.75rem;padding:5px 11px}
/* callouts */
.callout{border-radius:var(--r);padding:16px 20px;margin:22px 0;border:1px solid;font-size:.97rem}.callout p:last-child{margin-bottom:0}.callout-title{font-weight:800;margin:0 0 6px}
.callout-note{background:#f3f7ff;border-color:#c9daf7}.callout-caution{background:#fff7e8;border-color:#f3d9a4}.callout-verified{background:#eef8f1;border-color:#bfe3cb}.callout-tip{background:#fbf2ff;border-color:#e2c9f3}
/* tables */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:22px 0;border:1px solid var(--line);border-radius:var(--r);background:linear-gradient(90deg,#fff 30%,rgba(255,255,255,0)),linear-gradient(90deg,rgba(255,255,255,0),#fff 70%) 100% 0,radial-gradient(farthest-side at 0 50%,rgba(0,0,0,.12),rgba(0,0,0,0)),radial-gradient(farthest-side at 100% 50%,rgba(0,0,0,.12),rgba(0,0,0,0)) 100% 0;background-repeat:no-repeat;background-size:40px 100%,40px 100%,14px 100%,14px 100%;background-attachment:local,local,scroll,scroll}
table{border-collapse:collapse;width:100%;min-width:560px;font-size:.93rem}caption{text-align:left;padding:12px 14px;font-weight:700;color:var(--muted);font-size:.85rem;caption-side:top}
th,td{padding:11px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}thead th{background:var(--bg2);font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}tbody th{font-weight:700;background:#fcfcfd}tbody tr:last-child td,tbody tr:last-child th{border-bottom:0}
.t-tight table{min-width:420px}
/* evidence grid */
.evidence-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;margin:20px 0}.ev{border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:#fff}.ev strong{display:block;margin-bottom:4px}.ev .grade{font-size:.75rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}.g-strong{color:var(--ok)}.g-mod{color:#2b6cb0}.g-lim{color:var(--warn)}.g-pre{color:#9b2c2c}
/* pros cons */
.proscons{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:24px 0}.proscons>div{border-radius:var(--r);padding:18px 20px;border:1px solid var(--line)}.pros{background:#f1faf4}.cons{background:#fff6f4}.proscons h3{margin-top:0;font-size:1.05rem}.proscons ul{padding-left:18px;margin:0}
@media(max-width:640px){.proscons{grid-template-columns:1fr}}
/* packages */
.pkg-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:24px 0 8px}
.pkg{border:1px solid var(--line);border-radius:var(--r);padding:22px 18px;text-align:center;background:#fff;box-shadow:0 6px 24px rgba(20,21,25,.05);display:flex;flex-direction:column;align-items:center}.pkg img{margin:10px auto 14px;height:150px;width:auto;object-fit:contain}
.pkg-hi{border-color:var(--gold);box-shadow:0 10px 32px rgba(242,178,51,.25)}
.pkg-name{font-weight:800;font-size:1.15rem;margin:0}.pkg-supply{color:var(--muted);font-size:.85rem;margin:2px 0 0}.pkg-price{font-size:2rem;font-weight:800;margin:4px 0;color:var(--dark)}.pkg-price span{font-size:.9rem;color:var(--muted);font-weight:600}
.pkg ul{list-style:none;padding:0;margin:8px 0;font-size:.93rem}.pkg-day{font-size:.85rem;color:var(--muted);margin:auto 0 0;padding-top:8px}
@media(max-width:820px){.pkg-grid{grid-template-columns:1fr;max-width:420px;margin-left:auto;margin-right:auto}}
.fineprint{font-size:.82rem;color:var(--muted)}
/* CTA */
.btn{display:inline-block;padding:14px 26px;border-radius:12px;font-weight:800;text-decoration:none;font-size:1.02rem;transition:transform .15s,box-shadow .15s;min-height:48px;line-height:1.3}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(224,67,42,.3)}.btn-primary:hover{background:var(--accent-d);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--dark);border:2px solid var(--line)}.btn-ghost:hover{border-color:var(--dark);color:var(--dark)}
.cta-block{margin:26px 0}.cta-block.center{text-align:center}.cta-sub{font-size:.85rem;color:var(--muted);margin:10px 0 0}
.hero .cta-block{margin:18px 0 6px;text-align:left}.hero .btn+.btn{margin-left:10px}.hero .cta-block{display:flex;flex-wrap:wrap;gap:10px}.hero .btn+.btn{margin-left:0}
@media(max-width:480px){.hero .btn{display:block;text-align:center;margin:0 0 10px!important}}
/* verdict */
.verdict{background:var(--dark);color:#e9ebf0;border-radius:var(--r);padding:26px 28px;margin:30px 0}.verdict h2,.verdict h3{color:#fff;margin-top:0}.verdict a:not(.btn){color:var(--gold)}.verdict .btn-primary{margin-top:8px}
/* faq */
.faq{margin:20px 0}.faq-item{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:#fff}.faq-item summary{cursor:pointer;padding:14px 46px 14px 18px;list-style:none;position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary h3{margin:0;font-size:1.02rem;display:inline}.faq-item summary::after{content:"+";position:absolute;right:18px;top:10px;font-size:1.5rem;color:var(--accent);font-weight:300}.faq-item[open] summary::after{content:"−"}.faq-a{padding:0 18px 16px;color:#343b49}.faq-a p:last-child{margin-bottom:0}
/* figures */
.fig{margin:26px auto;text-align:center}.fig img{margin:0 auto}.fig figcaption{font-size:.85rem;color:var(--muted);margin-top:8px}
.fig-side{float:right;width:min(42%,300px);margin:0 0 16px 24px}@media(max-width:640px){.fig-side{float:none;width:min(80%,280px);margin:16px auto}}
/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin:22px 0}.card{border:1px solid var(--line);border-radius:var(--r);padding:20px;background:#fff;box-shadow:0 6px 20px rgba(20,21,25,.04)}.card h3{margin-top:0;font-size:1.08rem}.card p{margin:0;font-size:.95rem;color:#3a4150}
.card a.more{font-weight:700;text-decoration:none}
.stepper{counter-reset:s;list-style:none;padding:0;margin:20px 0}.stepper li{position:relative;padding-left:52px;margin-bottom:16px;min-height:40px}.stepper li::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:0;width:36px;height:36px;border-radius:50%;background:var(--dark);color:var(--gold);font-weight:800;display:flex;align-items:center;justify-content:center}
/* related */
.related{margin-top:48px;padding-top:28px;border-top:1px solid var(--line)}.related h2{margin-top:0;font-size:1.3rem}.rel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.rel-card{border:1px solid var(--line);border-radius:12px;padding:16px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:6px;background:#fff;transition:box-shadow .15s}.rel-card:hover{box-shadow:0 10px 26px rgba(20,21,25,.08);color:var(--ink)}.rel-card strong{font-size:1rem;line-height:1.3}.rel-card span:last-child{font-size:.87rem;color:var(--muted)}.rel-kicker{font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);font-weight:800}
/* refs */
.refs{margin-top:44px;font-size:.88rem;color:#3a4150}.refs h2{font-size:1.2rem}.refs ol{padding-left:22px}.refs li{margin-bottom:6px;overflow-wrap:anywhere}sup.ref{font-size:.7em;margin-left:1px}sup.ref a{text-decoration:none;font-weight:700}
/* footer */
.site-footer{background:var(--dark);color:#c8cdd6;padding:44px 0 90px;margin-top:20px;font-size:.9rem}.ft-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-bottom:30px}.ft-h{color:#fff;font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;margin:0 0 12px}.ft-grid ul{list-style:none;padding:0;margin:0}.ft-grid li{margin-bottom:7px}.ft-grid a,.ft-legal a{color:#dfe3ea}.ft-legal{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;font-size:.83rem;line-height:1.6}.ft-legal p{margin-bottom:10px}.copy{color:#8f98a8}
@media(max-width:900px){.ft-grid{grid-template-columns:1fr 1fr}}@media(max-width:480px){.ft-grid{grid-template-columns:1fr}}
/* sticky */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;background:rgba(20,21,25,.96);backdrop-filter:blur(6px);display:flex;align-items:center;gap:8px;padding:10px max(12px,env(safe-area-inset-right)) max(10px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));z-index:90;transform:translateY(110%);transition:transform .3s}.sticky-cta.show{transform:none}.sticky-cta a{flex:1;text-align:center;background:var(--accent);color:#fff;font-weight:800;text-decoration:none;padding:12px 14px;border-radius:10px;min-height:44px}.sticky-cta button{background:none;border:0;color:#fff;font-size:1.6rem;width:44px;height:44px;cursor:pointer;line-height:1}
@media(min-width:901px){.sticky-cta{display:none}.site-footer{padding-bottom:44px}}
/* blog list */
.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px;margin:20px 0 40px}
.post-card{border:1px solid var(--line);border-radius:var(--r);padding:20px;background:#fff;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:8px}.post-card:hover{box-shadow:0 10px 28px rgba(20,21,25,.08);color:var(--ink)}.post-card h3{margin:0;font-size:1.08rem}.post-card p{margin:0;font-size:.9rem;color:var(--muted)}
.cluster-head{margin-top:40px;padding-bottom:8px;border-bottom:2px solid var(--gold)}
.summary-box{background:var(--bg2);border-radius:var(--r);padding:18px 22px;margin:20px 0;border-left:4px solid var(--accent)}.summary-box p:last-child{margin:0}
.badge-row{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin:16px 0}.badge-row img{width:90px;height:90px}
.num{font-variant-numeric:tabular-nums}
.small{font-size:.9rem;color:var(--muted)}
.notfound{text-align:center;padding:60px 0}