/* GoldenBrain - en-goldenbrain.com */
:root{
  --gb-ink:#12261f;--gb-mute:#55645c;--gb-line:#d9ece6;
  --gb-p:#0b8a73;--gb-p2:#065a4a;--gb-pt:#e7f6f2;--gb-pt2:#c4e6dd;
  --gb-a:#f2a900;--gb-a2:#8a5a00;--gb-at:#fff4d6;
  --gb-s:#5fc4ad;--gb-st:#f2faf8;
  --gb-m:#2f86d6;--gb-mt:#e4f0fc;
  --gb-h:"Sora",Arial,sans-serif;--gb-b:"Hind",Arial,sans-serif;
  --gb-sh:0 2px 4px rgba(18,38,31,.04),0 22px 44px -26px rgba(6,90,74,.4);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:400 19.5px/1.72 var(--gb-b);color:var(--gb-ink);background:#fff;overflow-x:clip}
img,svg{max-width:100%;height:auto}
img{display:block}
a{color:var(--gb-p2);text-underline-offset:3px}
a:hover{color:var(--gb-s)}
h1,h2,h3,h4{font-family:var(--gb-h);line-height:1.15;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,5.3vw,3.6rem);font-weight:800}
h2{font-size:clamp(1.75rem,3.6vw,2.55rem);font-weight:800}
h3{font-size:1.3rem;font-weight:800}
h4{font-size:1.08rem;font-weight:800}
p{margin:0 0 1.05em}
small{font-size:1rem}
ul,ol{margin:0 0 1.1em;padding-left:1.3em}
.gb-skip{position:absolute;left:-999px;top:8px;background:var(--gb-a);padding:10px 16px;border-radius:10px;z-index:99}
.gb-skip:focus{left:8px}
.gb-c{width:min(1180px,100% - 32px);margin-inline:auto}

/* header */
.gb-strip{background:var(--gb-pt);text-align:center;font:700 1rem/1.4 var(--gb-h);color:var(--gb-p2);padding:9px 14px}
.gb-strip b{color:var(--gb-ink)}
.gb-head{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:2px solid var(--gb-pt)}
.gb-head .gb-c{display:flex;align-items:center;gap:18px;min-height:78px}
.gb-logo{display:flex;align-items:center;gap:10px;text-decoration:none;font:800 1.65rem/1 var(--gb-h);color:var(--gb-ink)}
.gb-logo svg{width:42px;height:42px;flex:none}
.gb-logo b{color:var(--gb-p)}
.gb-menu{margin-left:auto}
.gb-menu ul{list-style:none;display:flex;gap:2px;margin:0;padding:0}
.gb-menu a{display:block;padding:10px 13px;font:700 1rem/1.2 var(--gb-h);color:var(--gb-ink);text-decoration:none;border-bottom:3px solid transparent}
.gb-menu a:hover{color:var(--gb-p)}
.gb-menu a[aria-current]{color:var(--gb-p);border-bottom-color:var(--gb-p)}
.gb-hamb{display:none;margin-left:auto;width:50px;height:50px;border:2px solid var(--gb-pt2);border-radius:50%;background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.gb-hamb i{display:block;width:22px;height:3px;border-radius:3px;background:var(--gb-p);transition:.25s}
.gb-hamb[aria-expanded=true] i:nth-child(1){transform:translateY(8px) rotate(45deg)}
.gb-hamb[aria-expanded=true] i:nth-child(2){opacity:0}
.gb-hamb[aria-expanded=true] i:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* buttons */
.gb-btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:15px 28px;border-radius:99px;font:800 1.05rem/1.2 var(--gb-h);text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s;text-align:center}
.gb-btn svg{width:20px;height:20px;flex:none}
.gb-buy{background:var(--gb-a);color:#12261f;box-shadow:0 12px 24px -12px rgba(138,90,0,.55)}
.gb-buy:hover{transform:translateY(-2px);color:#12261f;box-shadow:0 18px 28px -12px rgba(138,90,0,.55)}
.gb-line{background:#fff;border-color:var(--gb-p);color:var(--gb-p2)}
.gb-line:hover{background:var(--gb-pt);color:var(--gb-p2)}
.gb-sm{padding:11px 20px;font-size:1rem}
.gb-xl{padding:19px 38px;font-size:1.2rem}
.gb-beat{animation:gbp 2.6s ease-in-out infinite}
@keyframes gbp{0%,100%{box-shadow:0 12px 24px -12px rgba(138,90,0,.55),0 0 0 0 rgba(242,169,0,.45)}50%{box-shadow:0 12px 24px -12px rgba(138,90,0,.55),0 0 0 14px rgba(242,169,0,0)}}

/* hero */
.gb-hero{padding:46px 0 74px;background:radial-gradient(900px 500px at 0 0,var(--gb-pt),transparent 70%),radial-gradient(700px 400px at 100% 100%,var(--gb-st),transparent 70%),#fff}
.gb-hero .gb-c{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:46px;align-items:start}
.gb-pill{display:inline-flex;gap:8px;align-items:center;background:var(--gb-pt);color:var(--gb-p2);font:800 1rem/1 var(--gb-h);padding:10px 16px;border-radius:99px;margin-bottom:18px}
.gb-pill svg{width:20px;height:20px}
.gb-hero h1 em,.gb-page h1 em{font-style:normal;color:var(--gb-p);text-decoration:underline;text-decoration-color:var(--gb-a);text-decoration-thickness:6px;text-underline-offset:6px}
.gb-intro{font-size:1.15rem;color:var(--gb-mute)}
.gb-facts{margin:22px 0;border:2px solid var(--gb-pt2);border-radius:24px;overflow:hidden;background:#fff}
.gb-facts h2{font:800 1rem/1 var(--gb-h);letter-spacing:.09em;text-transform:uppercase;background:var(--gb-pt);color:var(--gb-p2);margin:0;padding:14px 20px}
.gb-facts dl{margin:0}
.gb-facts div{display:grid;grid-template-columns:150px minmax(0,1fr);gap:14px;padding:11px 20px;border-top:1px solid var(--gb-line)}
.gb-facts dt{font:800 1rem/1.4 var(--gb-h);color:var(--gb-p)}
.gb-facts dd{margin:0;font-weight:700;line-height:1.4}
.gb-ticks{list-style:none;padding:0;margin:0 0 24px;display:grid;gap:10px}
.gb-ticks li{display:flex;gap:12px;align-items:flex-start;font-weight:700}
.gb-ticks svg{width:28px;height:28px;flex:none;padding:5px;border-radius:50%;background:var(--gb-m);color:#fff;margin-top:1px}
.gb-btns{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.gb-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.gb-stat{background:#fff;border:2px solid var(--gb-pt2);border-radius:20px;padding:14px 8px;text-align:center}
.gb-stat b{display:block;font:800 1.6rem/1.1 var(--gb-h);color:var(--gb-p);white-space:nowrap}
.gb-stat>span{font-size:1rem;font-weight:700;color:var(--gb-mute);line-height:1.3;display:block}
.gb-side{display:grid;gap:18px}
.gb-photo{position:relative;border-radius:40px;background:linear-gradient(160deg,var(--gb-pt2),#fff 75%);padding:70px 18px 66px;min-height:470px;display:flex;justify-content:center;align-items:flex-end;overflow:hidden}
.gb-photo:before{content:"";position:absolute;width:80%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,#fff 32%,rgba(255,255,255,0) 70%);left:10%;top:8%}
.gb-photo>img{position:relative;width:min(56%,290px);filter:drop-shadow(0 26px 22px rgba(138,90,0,.3));animation:gbf 6s ease-in-out infinite}
@keyframes gbf{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.gb-tag{position:absolute;background:#fff;border-radius:18px;padding:9px 13px;font:800 1rem/1.25 var(--gb-h);box-shadow:var(--gb-sh);display:flex;gap:9px;align-items:center;z-index:2;max-width:48%}
.gb-tag svg{width:24px;height:24px;flex:none;color:var(--gb-p)}
.gb-tag small{display:block;font:500 1rem/1.2 var(--gb-b);color:var(--gb-mute)}
.gb-tag.a{left:14px;top:16px}.gb-tag.b{right:14px;top:16px}.gb-tag.c{left:14px;bottom:88px}
.gb-tag .s{color:var(--gb-a2);letter-spacing:1px}
.gb-free{position:absolute;left:0;right:0;bottom:0;background:var(--gb-p);color:#fff;text-align:center;padding:13px 10px;font:800 1rem/1.2 var(--gb-h);letter-spacing:.03em;text-transform:uppercase;z-index:3}
.gb-fig{margin:0;background:#fff;border:2px solid var(--gb-pt2);border-radius:28px;padding:16px 16px 14px}
.gb-fig figcaption,.gb-cap{font-size:1rem;color:var(--gb-mute);text-align:center;margin-top:6px;line-height:1.4}
.gb-gband{display:flex;align-items:center;gap:12px;background:var(--gb-at);border-radius:18px;padding:10px 16px;margin-top:12px;font:800 1rem/1.3 var(--gb-h)}
.gb-gband img{width:54px;flex:none}

/* sections */
.gb-blk{padding:78px 0}
.gb-blk.r{background:var(--gb-pt)}.gb-blk.y{background:var(--gb-at)}.gb-blk.b{background:var(--gb-st)}.gb-blk.g{background:var(--gb-mt)}
.gb-top{max-width:760px;margin:0 auto 44px;text-align:center}
.gb-top p{color:var(--gb-mute);font-size:1.12rem}
.gb-kicker{display:inline-block;font:800 1rem/1 var(--gb-h);letter-spacing:.09em;text-transform:uppercase;color:var(--gb-p);margin-bottom:12px}
.gb-two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center}
.gb-seals{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;align-items:center;padding:26px 0}
.gb-seals figure{margin:0;text-align:center}
.gb-seals img{height:92px;width:auto;margin:0 auto 6px;object-fit:contain}
.gb-seals figcaption{font:800 1rem/1.3 var(--gb-h);color:var(--gb-p2)}
.gb-seals .t{background:var(--gb-pt);border-radius:20px;padding:18px 14px;height:100%;display:flex;flex-direction:column;justify-content:center}
.gb-seals .t b{font:800 1.05rem/1.25 var(--gb-h);color:var(--gb-p2)}
.gb-seals .t span{font-size:1rem;line-height:1.35}
.gb-card{background:#fff;border-radius:28px;padding:28px;box-shadow:var(--gb-sh)}
.gb-card.o{box-shadow:none;border:2px solid var(--gb-pt2)}

/* plate */
.gb-plate{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:44px;align-items:center}
.gb-plate svg{display:block;width:100%;max-width:400px;margin:0 auto}
.gb-leg{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.gb-leg li{display:grid;grid-template-columns:20px minmax(0,1fr);gap:12px;align-items:start;font-weight:500}
.gb-leg i{display:block;width:20px;height:20px;border-radius:6px;margin-top:6px}
.gb-leg b{font-family:var(--gb-h);font-weight:800}

/* honeycomb + accordion */
.gb-hexbox{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:36px;align-items:center}
.gb-hex{max-width:420px;width:100%;margin:0 auto}
.gb-acc{display:grid;gap:12px}
.gb-ing{background:#fff;border-radius:22px;box-shadow:var(--gb-sh);border-left:8px solid var(--c);overflow:hidden}
.gb-ing summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:50px minmax(0,1fr) 34px;gap:14px;align-items:center;padding:14px 18px}
.gb-ing summary::-webkit-details-marker{display:none}
.gb-ing .d{width:50px;height:50px;border-radius:50%;background:var(--c);color:#fff;display:grid;place-items:center;font:800 1.25rem/1 var(--gb-h)}
.gb-ing summary b{display:block;font:800 1.1rem/1.25 var(--gb-h)}
.gb-ing summary span.r{display:block;font-size:1rem;color:var(--gb-mute);line-height:1.4}
.gb-ing summary:after{content:"+";width:34px;height:34px;border-radius:50%;background:var(--gb-pt);color:var(--gb-p);display:grid;place-items:center;font-size:1.5rem;line-height:1;transition:.2s}
.gb-ing[open] summary:after{content:"–";background:var(--c);color:#fff}
.gb-ing .in{padding:0 20px 18px 82px;font-size:1.02rem}
.gb-ing .in p{margin:0 0 .6em}
.gb-ing .in a{font-weight:800}

/* benefits list */
.gb-ben{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr);gap:50px;align-items:start}
.gb-ben aside{position:sticky;top:104px}
.gb-ben ol{list-style:none;padding:0;margin:0;counter-reset:b}
.gb-ben li{counter-increment:b;display:grid;grid-template-columns:64px minmax(0,1fr);gap:18px;padding:22px 0;border-bottom:2px dashed var(--gb-pt2)}
.gb-ben li:before{content:counter(b,decimal-leading-zero);font:800 2.2rem/1 var(--gb-h);color:var(--gb-p);opacity:.9}
.gb-ben li:nth-child(even):before{color:var(--gb-s)}
.gb-ben li h3{margin-bottom:4px}.gb-ben li p{margin:0;color:var(--gb-mute)}

/* clock + steps */
.gb-clock{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:44px;align-items:center}
.gb-clock svg{display:block;width:100%;max-width:400px;margin:0 auto}
.gb-list{list-style:none;padding:0;margin:0;display:grid;gap:12px;counter-reset:s}
.gb-list li{counter-increment:s;display:grid;grid-template-columns:44px minmax(0,1fr);gap:14px;background:#fff;border-radius:20px;padding:14px 18px;box-shadow:var(--gb-sh)}
.gb-list li:before{content:counter(s);width:44px;height:44px;border-radius:50%;background:var(--gb-a);color:#12261f;display:grid;place-items:center;font:800 1.2rem/1 var(--gb-h)}
.gb-list b{font:800 1.1rem/1.3 var(--gb-h);display:block}
.gb-list span{color:var(--gb-mute);font-size:1.02rem;line-height:1.5;display:block}

/* compare table */
.gb-rings{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-bottom:30px}
.gb-ringc{background:#fff;border-radius:26px;padding:20px 12px;text-align:center;box-shadow:var(--gb-sh)}
.gb-ringc svg{width:150px;display:block;margin:0 auto 8px}
.gb-ringc .rg{stroke-dasharray:0 1000;transition:stroke-dasharray 1.4s cubic-bezier(.2,.8,.2,1)}
.gb-js .is-in .rg{stroke-dasharray:var(--d) 1000}
html:not(.gb-js) .rg{stroke-dasharray:var(--d) 1000}
.gb-ringc b{font:800 1.1rem/1.2 var(--gb-h);display:block}
.gb-ringc span{font-size:1rem;color:var(--gb-mute)}
.gb-cmp{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border-radius:28px;overflow:hidden;box-shadow:var(--gb-sh)}
.gb-cmp th,.gb-cmp td{padding:15px 18px;text-align:center;border-bottom:1px solid var(--gb-line);vertical-align:middle;font-size:1.02rem}
.gb-cmp thead th{background:var(--gb-pt);font:800 1.15rem/1.3 var(--gb-h);padding:20px 12px;vertical-align:bottom}
.gb-cmp thead th img{height:130px;width:auto;margin:0 auto 10px;object-fit:contain}
.gb-cmp tbody th{text-align:left;font:800 1rem/1.3 var(--gb-h);color:var(--gb-p2);background:#fff}
.gb-cmp .hot{background:var(--gb-at)}
.gb-cmp thead .hot{background:var(--gb-a);position:relative}
.gb-cmp .big{font:800 1.8rem/1 var(--gb-h)}
.gb-cmp tr:last-child th,.gb-cmp tr:last-child td{border-bottom:0}
.gb-cmp .gb-btn{width:100%;padding:14px 10px}
.gb-badge{display:inline-block;background:var(--gb-p);color:#fff;font:800 1rem/1 var(--gb-h);padding:7px 12px;border-radius:99px;margin-bottom:8px}
.gb-bon{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:28px}
.gb-bon div{background:#fff;border-radius:22px;padding:18px 20px;display:grid;grid-template-columns:44px minmax(0,1fr);gap:14px;align-items:start;box-shadow:var(--gb-sh)}
.gb-bon svg{width:44px;height:44px;padding:10px;border-radius:14px;background:var(--gb-at);color:var(--gb-a2)}
.gb-bon b{font:800 1.05rem/1.25 var(--gb-h);display:block}
.gb-bon span{font-size:1rem;color:var(--gb-mute);line-height:1.45;display:block}

/* reviews */
.gb-revs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.gb-rev{background:#fff;border-radius:28px;overflow:hidden;box-shadow:var(--gb-sh);display:flex;flex-direction:column}
.gb-rev .ph{height:150px;background:linear-gradient(135deg,var(--gb-pt2),var(--gb-st));position:relative}
.gb-rev .ph img,.gb-rev .ph .ini{position:absolute;left:22px;bottom:-30px;width:90px;height:90px;border-radius:50%;object-fit:cover;border:5px solid #fff}
.gb-rev .ph .ini{display:grid;place-items:center;font:800 2rem/1 var(--gb-h);color:#fff;background:var(--c,var(--gb-p))}
.gb-rev .tx{padding:44px 24px 24px}
.gb-rev b{display:block;font:800 1.1rem/1.2 var(--gb-h)}
.gb-rev .ok{font-size:1rem;color:var(--gb-m);font-weight:700;line-height:1.3;display:block;margin-bottom:6px}
.gb-rev .st{color:var(--gb-a2);font-size:1.25rem;letter-spacing:2px;margin-bottom:6px}
.gb-rev p{margin:0;font-size:1.02rem}
.gb-more{text-align:center;margin-top:38px}
.gb-more h3{font-size:1.6rem}
.gb-more .lnk{display:block;margin-top:14px;font-weight:800}
.gb-overall{display:grid;grid-template-columns:auto minmax(0,1fr);gap:34px;align-items:center;background:#fff;border-radius:30px;padding:26px 32px;margin-bottom:28px;box-shadow:var(--gb-sh)}
.gb-overall .big{text-align:center;font:800 4.4rem/1 var(--gb-h);color:var(--gb-p)}
.gb-overall .big span{display:block;font-size:1.3rem;color:var(--gb-a2);letter-spacing:3px}
.gb-overall .big small{display:block;font:500 1rem/1.3 var(--gb-b);color:var(--gb-mute)}
.gb-bars{display:grid;gap:8px}
.gb-bars div{display:grid;grid-template-columns:44px minmax(0,1fr) 48px;gap:10px;align-items:center;font:800 1rem/1 var(--gb-h)}
.gb-bars i{display:block;height:14px;border-radius:99px;background:var(--gb-pt)}
.gb-bars i s{display:block;height:100%;border-radius:99px;background:var(--gb-a);width:var(--w)}

/* score sliders */
.gb-score{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:28px}
.gb-slide{margin-bottom:20px}
.gb-slide div{display:flex;justify-content:space-between;font:800 1rem/1.3 var(--gb-h);margin-bottom:8px}
.gb-slide i{display:block;height:10px;border-radius:99px;background:var(--gb-pt2);position:relative}
.gb-slide i:after{content:"";position:absolute;left:0;top:50%;width:var(--w);height:10px;translate:0 -50%;border-radius:99px;background:linear-gradient(90deg,var(--gb-s),var(--gb-p));transform-origin:left;transform:scaleX(0);transition:transform 1.3s cubic-bezier(.2,.8,.2,1)}
.gb-slide i:before{content:"";position:absolute;left:var(--w);top:50%;width:22px;height:22px;margin-left:-11px;translate:0 -50%;border-radius:50%;background:#fff;border:5px solid var(--gb-p);z-index:1;opacity:0;transition:opacity .4s 1.1s}
.gb-js .is-in .gb-slide i:after,.gb-js .gb-slide.is-in i:after{transform:scaleX(1)}
.gb-js .is-in .gb-slide i:before,.gb-js .gb-slide.is-in i:before{opacity:1}
html:not(.gb-js) .gb-slide i:after{transform:none}
html:not(.gb-js) .gb-slide i:before{opacity:1}
.gb-yes{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.gb-yes li{display:flex;gap:12px;align-items:flex-start;font-weight:700}
.gb-yes svg{width:28px;height:28px;flex:none;padding:5px;border-radius:50%;background:var(--gb-a);color:#12261f;margin-top:1px}
.gb-big{display:flex;align-items:center;gap:16px;margin-bottom:16px}
.gb-big b{font:800 3.4rem/1 var(--gb-h);color:var(--gb-p)}
.gb-big span{font-weight:700;color:var(--gb-mute);line-height:1.3}

/* guarantee path */
.gb-path{background:#fff;border-radius:30px;padding:22px 20px 10px;box-shadow:var(--gb-sh)}
.gb-path svg{display:block;width:100%}
.gb-gt{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:46px;align-items:center}
.gb-mile{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:20px}
.gb-mile div{background:#fff;border-radius:18px;padding:14px 16px;line-height:1.45;box-shadow:var(--gb-sh)}
.gb-mile b{display:block;font:800 1.15rem/1.2 var(--gb-h);color:var(--gb-p)}

/* blog */
.gb-posts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.gb-post{background:#fff;border-radius:26px;padding:26px;text-decoration:none;color:var(--gb-ink);display:flex;flex-direction:column;box-shadow:var(--gb-sh);transition:transform .2s;position:relative;overflow:hidden}
.gb-post:before{content:"";position:absolute;right:-30px;top:-30px;width:110px;height:110px;border-radius:50%;background:var(--gb-pt)}
.gb-post:nth-child(3n+2):before{background:var(--gb-st)}.gb-post:nth-child(3n):before{background:var(--gb-at)}
.gb-post:hover{transform:translateY(-4px);color:var(--gb-ink)}
.gb-post>*{position:relative}
.gb-post .k{font:800 1rem/1 var(--gb-h);letter-spacing:.06em;text-transform:uppercase;color:var(--gb-p);margin-bottom:10px}
.gb-post h3{margin-bottom:8px}
.gb-post p{color:var(--gb-mute);font-size:1rem;flex:1}
.gb-post .m{font-weight:800;color:var(--gb-p2)}

/* faq */
.gb-faq{max-width:900px;margin:0 auto}
.gb-find{width:100%;font:500 1.05rem var(--gb-b);padding:16px 24px;border:2px solid var(--gb-pt2);border-radius:99px;margin-bottom:18px;background:#fff;color:var(--gb-ink)}
.gb-find:focus{outline:3px solid var(--gb-pt);border-color:var(--gb-p)}
.gb-q{background:#fff;border-radius:22px;margin-bottom:12px;overflow:hidden;box-shadow:var(--gb-sh);border-left:8px solid var(--gb-pt2)}
.gb-q[open]{border-left-color:var(--gb-p)}
.gb-q summary{list-style:none;cursor:pointer;padding:18px 62px 18px 22px;font:800 1.1rem/1.4 var(--gb-h);position:relative}
.gb-q summary::-webkit-details-marker{display:none}
.gb-q summary:after{content:"";position:absolute;right:22px;top:50%;width:12px;height:12px;border-right:3px solid var(--gb-p);border-bottom:3px solid var(--gb-p);transform:translateY(-70%) rotate(45deg);transition:.25s}
.gb-q[open] summary:after{transform:translateY(-30%) rotate(225deg)}
.gb-a{padding:0 24px 8px 22px}
.gb-none{display:none;text-align:center;font-weight:700}
.gb-faq.empty .gb-none{display:block}

/* closing */
.gb-end{padding:78px 0;background:linear-gradient(180deg,#fff,var(--gb-pt))}
.gb-ban{position:relative;text-align:center;background:#fff;border:3px dashed var(--gb-p);border-radius:18px;padding:50px 40px 44px;overflow:hidden}
.gb-ban .l,.gb-ban .rr{position:absolute;bottom:0;width:22%;max-width:250px}
.gb-ban .l{left:2%}.gb-ban .rr{right:2%}
.gb-ban .mid{position:relative;max-width:560px;margin:0 auto}
.gb-ban h2{font-size:clamp(1.9rem,4vw,2.9rem)}
.gb-ban ul{list-style:none;padding:0;margin:0 0 24px;display:inline-grid;gap:8px;font-weight:700;text-align:left}
.gb-ban li:before{content:"✓";color:#fff;background:var(--gb-m);border-radius:50%;display:inline-grid;place-items:center;width:26px;height:26px;font-size:1rem;margin-right:10px}
.gb-ban small{display:block;margin-top:12px;font-weight:700;color:var(--gb-mute)}

/* inner pages */
.gb-page{padding:34px 0 48px;background:radial-gradient(800px 320px at 8% 0,var(--gb-pt2),transparent 70%),var(--gb-pt)}
.gb-crumb{font-size:1rem;font-weight:700;margin-bottom:14px;color:var(--gb-mute)}
.gb-crumb a{color:var(--gb-p2);text-decoration:none}
.gb-page h1{font-size:clamp(2rem,4.6vw,3.05rem);max-width:900px}
.gb-page .gb-intro{max-width:780px;margin:0}
.gb-text{max-width:800px}
.gb-text h2{font-size:1.75rem;margin-top:1.6em}
.gb-text h3{margin-top:1.3em}
.gb-text li{margin-bottom:.4em}
.gb-doc{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:46px;align-items:start}
.gb-rail{position:sticky;top:104px}
.gb-rail .gb-card{text-align:center;padding:22px}
.gb-rail img{width:150px;margin:0 auto 10px}
.gb-rail h3{font-size:1.15rem}
.gb-meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-weight:700;color:var(--gb-mute);margin-top:14px}
.gb-hint{background:var(--gb-at);border-radius:20px;padding:18px 22px;margin:26px 0}
.gb-hint p:last-child{margin:0}
.gb-tbl{width:100%;border-collapse:collapse;background:#fff;border-radius:18px;overflow:hidden;box-shadow:var(--gb-sh);margin:20px 0}
.gb-tbl th,.gb-tbl td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--gb-line);vertical-align:top}
.gb-tbl th{background:var(--gb-pt);font-family:var(--gb-h);font-weight:800}
.gb-pn{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:40px}
.gb-pn a{background:var(--gb-pt);border-radius:20px;padding:16px 20px;text-decoration:none;font:800 1rem/1.3 var(--gb-h);color:var(--gb-ink)}
.gb-pn a small{display:block;font:800 1rem/1 var(--gb-b);color:var(--gb-p);margin-bottom:6px}
.gb-pn a:last-child{text-align:right}
.gb-form{display:grid;gap:14px;max-width:640px}
.gb-form label{font:800 1rem/1.3 var(--gb-h)}
.gb-form input,.gb-form textarea,.gb-form select{width:100%;font:500 1.05rem var(--gb-b);padding:14px 16px;border:2px solid var(--gb-pt2);border-radius:16px;margin-top:6px;background:#fff}
.gb-src{list-style:none;padding:0;display:grid;gap:10px}
.gb-src a{font-weight:800}
.gb-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.gb-chips a{font:800 1rem/1 var(--gb-h);padding:9px 13px;border-radius:99px;background:var(--gb-pt);text-decoration:none;color:var(--gb-p2)}
.gb-tri{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.gb-tri>div{background:#fff;border-radius:26px;padding:26px;box-shadow:var(--gb-sh)}
.gb-tri .ic{width:58px;height:58px;border-radius:50%;background:var(--gb-pt);color:var(--gb-p);display:grid;place-items:center;margin-bottom:12px}
.gb-tri>div:nth-child(2) .ic{background:var(--gb-st);color:var(--gb-s)}
.gb-tri>div:nth-child(3) .ic{background:var(--gb-mt);color:var(--gb-m)}
.gb-tri .ic svg{width:28px;height:28px}
.gb-tri p{margin:0;color:var(--gb-mute)}

/* footer */
.gb-foot{background:var(--gb-pt);padding:56px 0 110px}
.gb-fg{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.gb-foot h4{margin-bottom:10px}
.gb-foot ul{list-style:none;padding:0;margin:0}
.gb-foot li{margin-bottom:6px}
.gb-foot a{text-decoration:none;font-weight:700}
.gb-fine{border-top:2px solid #fff;margin-top:30px;padding-top:22px;font-size:1rem;color:var(--gb-mute);line-height:1.55}
.gb-fine p{margin-bottom:.6em}

/* dock */
.gb-dock{position:fixed;left:0;right:0;bottom:0;z-index:45;background:rgba(255,255,255,.97);box-shadow:0 -10px 30px -12px rgba(138,90,0,.3);transform:translateY(110%);transition:transform .35s;padding:10px 0}
.gb-dock.on{transform:none}
.gb-dock .gb-c{display:flex;align-items:center;justify-content:space-between;gap:14px}
.gb-dock p{margin:0;font:800 1rem/1.3 var(--gb-h)}
.gb-dock p span{display:block;font:500 1rem/1.3 var(--gb-b);color:var(--gb-mute)}

/* motion */
.gb-js .gb-rise{opacity:0;transform:translateY(26px);transition:opacity .7s,transform .7s}
.gb-js .gb-rise.is-in{opacity:1;transform:none}
.gb-js .gb-draw{stroke-dasharray:var(--len,900);stroke-dashoffset:var(--len,900);transition:stroke-dashoffset 2.2s ease}
.gb-js .is-in .gb-draw{stroke-dashoffset:0}
.gb-js .gb-pop{opacity:0;transform:scale(.7);transform-origin:center;transform-box:fill-box;transition:opacity .5s var(--d,0s),transform .6s var(--d,0s) cubic-bezier(.3,1.5,.5,1)}
.gb-js .is-in .gb-pop{opacity:1;transform:none}
.gb-turn{animation:gbt 60s linear infinite;transform-origin:center;transform-box:fill-box}
@keyframes gbt{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.gb-js .gb-rise,.gb-js .gb-pop{opacity:1;transform:none}.gb-js .gb-draw{stroke-dashoffset:0}.gb-ringc .rg{stroke-dasharray:var(--d) 1000!important}.gb-slide i:after{transform:none!important}.gb-slide i:before{opacity:1!important}}

/* responsive */
/* kit cards (mobile twin of compare table) */
.gb-kits{display:none}
.gb-kit{background:#fff;border-radius:26px;box-shadow:var(--gb-sh);padding:24px 20px;text-align:center;position:relative;margin-bottom:18px}
.gb-kit.hot{border:3px solid var(--gb-a)}
.gb-kit img{height:170px;width:auto;margin:0 auto 10px;object-fit:contain}
.gb-kit h3{margin-bottom:2px}.gb-kit .sup{font-weight:800;color:var(--gb-p2);margin-bottom:8px}
.gb-kit .pr{font:800 3rem/1 var(--gb-h)}.gb-kit .pr small{font-size:1.05rem;color:var(--gb-mute)}
.gb-kit ul{list-style:none;padding:0;margin:12px 0 16px;display:grid;gap:5px;font-weight:700;text-align:left}
.gb-kit li:before{content:"✓";color:var(--gb-m);font-weight:900;margin-right:8px}
.gb-kit .gb-btn{width:100%}
@media (max-width:1020px){.gb-cmpw{display:none}.gb-kits{display:block;max-width:480px;margin:0 auto}}
@media (max-width:1020px){
  .gb-hero .gb-c,.gb-two,.gb-plate,.gb-hexbox,.gb-ben,.gb-clock,.gb-gt,.gb-score,.gb-doc{grid-template-columns:minmax(0,1fr)}
  .gb-hero .gb-side{order:-1}
  .gb-ben aside,.gb-rail{position:static}
  .gb-posts,.gb-revs,.gb-tri,.gb-bon{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .gb-fg{grid-template-columns:1fr 1fr}
  .gb-ban .l,.gb-ban .rr{position:static;width:44%;margin:0 auto}
  .gb-ban .pair{display:flex;gap:10px;justify-content:center;margin-top:20px}
}
@media (max-width:900px){
  .gb-hamb{display:flex}
  .gb-head .gb-c{flex-wrap:wrap;min-height:72px}
  .gb-hcta{display:none}
  .gb-menu{display:none;order:9;width:100%;margin:0 0 12px}
  .gb-menu.open{display:block}
  .gb-menu ul{flex-direction:column;background:var(--gb-pt);border-radius:22px;padding:8px}
  .gb-menu a{padding:13px 16px;font-size:1.05rem;border-bottom:0}
}
@media (max-width:680px){
  body{font-size:18.5px}
  .gb-blk{padding:54px 0}
  .gb-posts,.gb-revs,.gb-tri,.gb-bon,.gb-mile,.gb-pn,.gb-fg,.gb-rings{grid-template-columns:minmax(0,1fr)}
  .gb-seals{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .gb-facts div{grid-template-columns:minmax(0,1fr);gap:2px}
  .gb-photo{min-height:400px;padding:76px 12px 62px}
  .gb-photo>img{width:50%}
  .gb-tag{padding:7px 10px;font-size:1rem;gap:6px}
  .gb-tag svg{width:20px;height:20px}
  .gb-tag.a{left:8px;top:10px;max-width:50%}.gb-tag.b{right:8px;top:10px;max-width:46%}
  .gb-tag.c{display:none}
  .gb-ben li{grid-template-columns:48px minmax(0,1fr);gap:12px}
  .gb-ben li:before{font-size:1.7rem}
  .gb-ing summary{grid-template-columns:44px minmax(0,1fr) 32px;gap:10px;padding:12px 12px}
  .gb-ing .d{width:44px;height:44px}
  .gb-ing .in{padding:0 16px 16px 16px}
  .gb-ingd{display:none}
  .gb-overall{grid-template-columns:minmax(0,1fr);padding:22px}
  .gb-ban{padding:34px 18px 30px;border-radius:30px}
  .gb-stat b{font-size:1.35rem}
  .gb-dock p span{display:none}
  .gb-tbl,.gb-tbl tbody,.gb-tbl tr,.gb-tbl td{display:block;width:100%}
  .gb-tbl thead{position:absolute;clip-path:inset(50%);width:1px;height:1px;overflow:hidden}
  .gb-tbl tr{border-bottom:2px solid var(--gb-line);padding:6px 0}
  .gb-tbl td{border:0;padding:5px 16px}
  .gb-tbl td:before{content:attr(data-l);display:block;font:800 1rem/1.2 var(--gb-h);color:var(--gb-p)}
  .gb-pn a:last-child{text-align:left}
}


/* ===== goldenbrain identity ===== */
body{font-size:19.5px;background:#fff}
.gb-prog{position:fixed;left:0;top:0;height:5px;width:100%;transform:scaleX(0);transform-origin:left;background:linear-gradient(90deg,var(--gb-p),var(--gb-a));z-index:80}
.gb-strip{background:var(--gb-at);color:var(--gb-a2);border-bottom:2px dotted var(--gb-a)}
.gb-strip b{color:var(--gb-ink)}
.gb-head{position:sticky;top:0;margin:0;width:100%;background:rgba(255,255,255,.97);border:0;border-bottom:3px dotted var(--gb-s);box-shadow:none;border-radius:0}
.gb-head .gb-c{min-height:78px}
.gb-logo b{color:var(--gb-a2)}
.gb-menu a{border-bottom:0;border-radius:99px;padding:10px 14px;background:none}
.gb-menu a:hover{background:var(--gb-pt);color:var(--gb-p2)}
.gb-menu a[aria-current]{background:var(--gb-p);color:#fff}
.gb-hamb{border-color:var(--gb-s)}
/* buttons: keycap */
.gb-btn{border-radius:99px}
.gb-buy{background:linear-gradient(180deg,#ffd04a,#f2a900);color:var(--gb-ink);border:0;box-shadow:0 5px 0 #b97700,0 16px 22px -12px rgba(138,90,0,.6)}
.gb-buy:hover{color:var(--gb-ink);transform:translateY(2px);box-shadow:0 3px 0 #b97700,0 10px 16px -10px rgba(138,90,0,.6)}
.gb-line{background:#fff;border:2px solid var(--gb-p);color:var(--gb-p2)}
.gb-line:hover{background:var(--gb-pt)}
.gb-beat{animation:gbpulse 2.6s ease-in-out infinite}
@keyframes gbpulse{0%,100%{box-shadow:0 5px 0 #b97700,0 0 0 0 rgba(242,169,0,.55)}50%{box-shadow:0 5px 0 #b97700,0 0 0 15px rgba(242,169,0,0)}}
/* headings */
.gb-hero h1 em,.gb-page h1 em{font-style:normal;color:var(--gb-p);text-decoration:underline wavy var(--gb-a);text-decoration-thickness:4px;text-underline-offset:9px;text-decoration-skip-ink:none}
.gb-kicker{display:inline-flex;align-items:center;gap:9px;background:none;padding:0;border-radius:0;color:var(--gb-p);letter-spacing:.12em}
.gb-kicker:before{content:"";width:12px;height:12px;border-radius:50%;background:var(--gb-a);display:inline-block}
.gb-top{text-align:center;margin:0 auto 46px;max-width:780px;border:0;padding:0}
.gb-top h2:after{content:"";display:block;width:84px;height:10px;margin:16px auto 0;background:radial-gradient(circle,var(--gb-a) 4px,transparent 5px) 0 0/28px 10px repeat-x}
.gb-pill{background:#fff;border:2px dashed var(--gb-s);color:var(--gb-p2);border-radius:99px}
/* scalloped section edges */
.gb-blk{position:relative}
.gb-blk.r,.gb-blk.y,.gb-blk.b,.gb-blk.g{padding:96px 0;margin:0;border-radius:0}
.gb-blk.r{--bg:var(--gb-pt);background:var(--bg)}.gb-blk.y{--bg:var(--gb-at);background:var(--bg)}.gb-blk.b{--bg:var(--gb-st);background:var(--bg)}.gb-blk.g{--bg:var(--gb-mt);background:var(--bg)}
.gb-blk.r:before,.gb-blk.y:before,.gb-blk.b:before,.gb-blk.g:before{content:"";position:absolute;left:0;right:0;top:-21px;height:22px;background:radial-gradient(circle at 22px 22px,var(--bg) 21px,transparent 22px) 0 0/44px 22px repeat-x;pointer-events:none}
/* stitched cards */
.gb-tri>div,.gb-post,.gb-rev,.gb-card,.gb-kit,.gb-barc,.gb-list li,.gb-ing,.gb-q,.gb-mile div,.gb-bon div,.gb-hs{background:#fff;border:2px dashed var(--gb-s);border-radius:26px;box-shadow:0 22px 40px -32px rgba(6,90,74,.55)}
.gb-card,.gb-card.o{border-top:2px dashed var(--gb-s)}
.gb-ing{border-left:10px solid var(--c)}
.gb-q{border-left:10px solid var(--gb-pt2)}
.gb-q[open]{border-left-color:var(--gb-p)}
.gb-kit.hot{border:3px solid var(--gb-a);background:#fffbea}
.gb-post:before{background:var(--gb-pt)}
.gb-post:nth-child(3n+2):before{background:var(--gb-at)}.gb-post:nth-child(3n):before{background:var(--gb-mt)}
.gb-facts,.gb-stat,.gb-fig,.gb-overall,.gb-path,.gb-cmp,.gb-tbl{border:2px dashed var(--gb-s);box-shadow:none}
.gb-cmp{border-collapse:separate;border-radius:28px;overflow:hidden}
.gb-facts{border-radius:26px}
.gb-fig{border-radius:30px;background:#fff}
.gb-overall{border-radius:30px;background:#fff}
.gb-ticks svg{background:var(--gb-p)}
.gb-yes svg{background:var(--gb-a);color:var(--gb-ink)}
.gb-ban li:before{background:var(--gb-p)}
.gb-nf,.gb-badge{background:var(--gb-p)}
/* hero */
.gb-hero{background:radial-gradient(760px 460px at 100% 0,#fff4d6,transparent 68%),radial-gradient(640px 420px at 0 100%,#e7f6f2,transparent 70%),#fff;padding:44px 0 80px}
.gb-photo{position:relative;display:block;padding:0;min-height:0;border-radius:34px;background:#fff;border:0;overflow:hidden;box-shadow:0 0 0 6px #fff,0 0 0 10px var(--gb-a),0 34px 50px -30px rgba(6,90,74,.55)}
.gb-photo:before{display:none}
.gb-photo>img{position:static;width:100%;max-width:none;max-height:none;height:auto;filter:none;animation:none;object-fit:cover}
.gb-tag{position:absolute;z-index:2;border:2px solid #fff;border-radius:18px;background:rgba(255,255,255,.96);box-shadow:0 14px 26px -14px rgba(6,90,74,.7);max-width:52%}
.gb-tag.a{right:3.5%;top:2.5%;left:auto}
.gb-tag.c{left:3.5%;top:49%;bottom:auto}
.gb-tag.b{left:3.5%;bottom:84px;top:auto;right:auto}
.gb-tag svg{color:var(--gb-p)}
.gb-free{background:linear-gradient(90deg,var(--gb-p2),var(--gb-p));color:#fff;padding:14px 10px}
.gb-gband{background:var(--gb-at);border-radius:22px}
/* how it works */
.gb-wide{border:2px dashed var(--gb-s);border-radius:30px;overflow:hidden;background:#fff;box-shadow:0 26px 44px -34px rgba(6,90,74,.6)}
.gb-wide img{width:100%;height:auto}
.gb-only-m{display:none}
.gb-hsteps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:30px}
.gb-hs{padding:22px 24px;display:grid;grid-template-columns:52px minmax(0,1fr);gap:16px;align-items:start}
.gb-hs>span{width:52px;height:52px;border-radius:50%;background:var(--gb-a);color:var(--gb-ink);display:grid;place-items:center;font:800 1.4rem/1 var(--gb-h);box-shadow:0 4px 0 #b97700}
.gb-hs b{font:800 1.15rem/1.25 var(--gb-h);display:block;margin-bottom:4px}
.gb-hs p{margin:0;color:var(--gb-mute);font-size:1.02rem;line-height:1.5}
.gb-crowd{max-width:980px;margin:0 auto;text-align:center}
.gb-crowd img{width:100%;height:auto;border-radius:30px;border:2px dashed var(--gb-s);padding:8px;background:#fff}
/* review header */
.gb-rev .ph{background:linear-gradient(135deg,#c4e6dd,#fff4d6)}
.gb-rev .ph img,.gb-rev .ph .ini{border:5px solid #fff;box-shadow:0 8px 16px -8px rgba(6,90,74,.6)}
.gb-rev .ok{color:var(--gb-p)}
.gb-rev .st{color:#d99100}
.gb-bars i s{background:linear-gradient(90deg,#f2a900,#ffd04a)}
/* final CTA */
.gb-end{background:linear-gradient(180deg,#fff,var(--gb-pt))}
.gb-ban{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:34px;align-items:center;text-align:left;border:3px dashed var(--gb-p);border-radius:44px;background:linear-gradient(135deg,#e7f6f2,#fff4d6);padding:50px 44px}
.gb-ban .mid{margin:0;order:1}
.gb-ban .pair{order:2;display:grid;gap:14px;justify-items:center}
.gb-ban .l,.gb-ban .rr{position:static;width:100%;max-width:340px;margin:0}
.gb-ban .rr{max-width:150px}
/* rings */
.gb-barc{padding:20px 22px}
.gb-barc b{font:800 1.2rem/1.2 var(--gb-h);display:block}
.gb-barc .trk{height:16px;border-radius:99px;background:var(--gb-pt);margin:10px 0;overflow:hidden}
.gb-barc .trk i{display:block;height:100%;width:var(--w);border-radius:99px;transform:scaleX(0);transform-origin:left;transition:transform 1.3s cubic-bezier(.2,.8,.2,1)}
.gb-js .is-in .trk i{transform:scaleX(1)}
html:not(.gb-js) .gb-barc .trk i{transform:none}
.gb-barc span{display:block;color:var(--gb-mute);font-size:1rem}
.gb-barc em{font:800 1.5rem/1.2 var(--gb-h);font-style:normal;color:var(--gb-p2)}
.gb-cmp thead .hot{background:var(--gb-at);border-top:6px solid var(--gb-a)}
.gb-foot{background:var(--gb-pt)}
/* svg motion */
.gb-flow{animation:gbflow 1.6s linear infinite}
@keyframes gbflow{to{stroke-dashoffset:-28}}
.gb-blink{animation:gbblink 3s ease-in-out infinite}
@keyframes gbblink{0%,100%{opacity:1}50%{opacity:.55}}
@media (prefers-reduced-motion:reduce){.gb-flow,.gb-blink{animation:none!important}}
@media (min-width:1021px){.gb-hero .gb-c{grid-template-columns:minmax(0,1fr) minmax(0,.9fr)}}
@media (max-width:1020px){.gb-hsteps{grid-template-columns:minmax(0,1fr)}.gb-ban{grid-template-columns:minmax(0,1fr);padding:34px 18px;text-align:center;border-radius:34px}.gb-ban .mid{margin:0 auto}.gb-ban .pair{display:flex;gap:10px;justify-content:center;align-items:center}.gb-ban .l{width:62%}.gb-ban .rr{width:34%}}
@media (max-width:900px){.gb-head .gb-c{padding:0 4px}}
@media (max-width:680px){
  .gb-only-d{display:none}
  .gb-only-m{display:grid;gap:16px}
  .gb-blk.r,.gb-blk.y,.gb-blk.b,.gb-blk.g{padding:76px 0}
  .gb-photo{border-radius:26px;box-shadow:0 0 0 4px #fff,0 0 0 7px var(--gb-a),0 26px 40px -28px rgba(6,90,74,.55)}
  .gb-tag{padding:7px 10px;gap:6px;max-width:58%}
  .gb-tag.a{right:3%;top:2%}.gb-tag.a .s{display:none}
  .gb-tag.c{left:3%;top:52%;max-width:46%}.gb-tag.c small{display:none}
  .gb-tag.b{left:3%;bottom:66px;max-width:46%}.gb-tag.b small{display:none}
  .gb-tag svg{width:20px;height:20px}
  .gb-top h2:after{margin-top:12px}
}