/* ============================================
   GoldenBrain (goldeenbrain.com) — style.css
   Standard clean affiliate/sales tone.
   Class convention: gb_ underscore flat, distinct from prior builds.
   Font sizes tuned larger for an older (55+) reader audience.
   ============================================ */

:root{
  --gb_gold-900:#7A5A0E;
  --gb_gold-700:#A67C14;
  --gb_gold-600:#C9971D;
  --gb_gold-500:#E0AC2C;
  --gb_gold-100:#FBF1DC;
  --gb_orange:#E0722C;
  --gb_black:#171512;
  --gb_ink:#211D18;
  --gb_ink-soft:#4A443A;
  --gb_ink-faint:#7C7565;
  --gb_bg:#FFFFFF;
  --gb_bg-soft:#FAF7F0;
  --gb_border:#EEE3CB;
  --gb_green:#2E8B57;
  --gb_radius:14px;
  --gb_radius-sm:8px;
  --gb_shadow:0 4px 18px rgba(23,21,18,0.1);
  --gb_maxw:1160px;
  --gb_font-head:'Playfair Display', Georgia, serif;
  --gb_font-body:'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;font-family:var(--gb_font-body);color:var(--gb_ink);background:var(--gb_bg);line-height:1.7;font-size:19px;overflow-x:hidden;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{font-family:var(--gb_font-head);font-weight:700;line-height:1.25;margin:0 0 .5em;color:var(--gb_black);}
p{margin:0 0 1em;}
strong,b{font-weight:800;color:var(--gb_black);}
button{font-family:inherit;cursor:pointer;}

.gb_wrap{width:100%;max-width:var(--gb_maxw);margin:0 auto;padding:0 18px;}
.gb_sec{padding:50px 0;}
.gb_sec_soft{background:var(--gb_bg-soft);}
.gb_headwrap{max-width:700px;margin:0 auto 30px;text-align:center;}
.gb_eyebrow{display:inline-block;font-size:15px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--gb_gold-700);margin-bottom:10px;}
.gb_h2{font-size:32px;text-align:center;}
.gb_sub{color:var(--gb_ink-soft);font-size:19px;}

.gb_topbar{background:var(--gb_black);color:#F0DFB5;font-size:15px;text-align:center;padding:10px 12px;font-weight:600;}
.gb_topbar b{color:var(--gb_gold-500);font-weight:800;}

.gb_nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);backdrop-filter:blur(6px);border-bottom:1px solid var(--gb_border);}
.gb_nav_row{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:10px;}
.gb_logo{font-family:var(--gb_font-head);font-weight:700;font-size:24px;color:var(--gb_black);}
.gb_logo span{color:var(--gb_gold-600);}
.gb_navlinks{display:none;}
@media(min-width:900px){.gb_navlinks{display:flex;gap:24px;font-size:16.5px;font-weight:700;color:var(--gb_ink-soft);}.gb_navlinks a:hover{color:var(--gb_gold-700);}}

.gb_btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:17px 30px;border-radius:999px;font-weight:800;font-size:18px;border:none;transition:transform .15s;}
.gb_btn:active{transform:scale(.97);}
.gb_btn_primary{background:linear-gradient(135deg,var(--gb_gold-600),var(--gb_black));color:#fff;box-shadow:0 8px 22px rgba(201,151,29,.32);}
.gb_btn_outline{background:#fff;color:var(--gb_gold-700);border:1.5px solid var(--gb_gold-500);}
.gb_btn_block{width:100%;}

.gb_hero{padding:30px 0 42px;}
.gb_hero_grid{display:flex;flex-direction:column-reverse;gap:26px;align-items:center;}
.gb_hero_media{width:100%;max-width:300px;}
.gb_hero_imgwrap{position:relative;}
.gb_hero_imgwrap img{animation:gbFloat 3.6s ease-in-out infinite;border-radius:18px;}
@keyframes gbFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-14px);}}
@media (prefers-reduced-motion:reduce){.gb_hero_imgwrap img{animation:none;}}
.gb_hero_float{position:absolute;display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.97);backdrop-filter:blur(6px);border:1px solid var(--gb_border);border-radius:14px;padding:8px 12px;box-shadow:0 10px 26px rgba(23,21,18,.18);z-index:2;max-width:78%;}
.gb_hero_float_icon{font-size:20px;line-height:1;flex-shrink:0;}
.gb_hero_float_big{font-family:var(--gb_font-head);font-weight:800;font-size:14px;color:var(--gb_black);line-height:1.15;}
.gb_hero_float_small{font-size:10.5px;color:var(--gb_ink-faint);font-weight:700;white-space:nowrap;}
.gb_hero_float--rating{top:5%;left:4%;}
.gb_hero_float--ingredients{bottom:18%;right:4%;}
.gb_hero_belowbadges{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:18px;}
.gb_hero_belowbadge{display:flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--gb_border);border-radius:999px;padding:7px 13px;font-size:12.5px;font-weight:800;color:var(--gb_ink-soft);box-shadow:var(--gb_shadow);}
.gb_hero_belowbadge img{width:20px;height:20px;object-fit:contain;}
@media(min-width:460px){
  .gb_hero_float{padding:10px 14px;gap:10px;max-width:none;}
  .gb_hero_float_icon{font-size:22px;}
  .gb_hero_float_big{font-size:16px;}
  .gb_hero_float_small{font-size:12px;}
  .gb_hero_float--rating{left:-6%;}
  .gb_hero_float--ingredients{right:-8%;}
}
.gb_hero_title{font-size:29px;text-align:center;}
.gb_hero_title em{font-style:italic;color:var(--gb_gold-600);}
.gb_hero_lede{color:var(--gb_ink-soft);font-size:18.5px;text-align:center;max-width:560px;margin:0 auto 18px;}
.gb_hero_facts{display:flex;flex-direction:column;gap:9px;margin-bottom:22px;font-size:16.5px;font-weight:600;color:var(--gb_ink-soft);max-width:460px;margin-left:auto;margin-right:auto;}
.gb_hero_facts li{display:flex;gap:8px;align-items:flex-start;}
.gb_hero_facts li::before{content:"✓";color:var(--gb_green);font-weight:800;flex-shrink:0;}
.gb_hero_ctas{display:flex;flex-direction:column;gap:10px;max-width:340px;margin:0 auto;}
.gb_hero_note{text-align:center;margin-top:12px;font-size:15px;color:var(--gb_ink-faint);}
.gb_hero_agg{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:14px;font-size:16px;font-weight:700;}
.gb_hero_agg_stars{color:var(--gb_gold-600);}
.gb_hero_seo{margin-top:24px;padding-top:22px;border-top:1px solid var(--gb_border);}
.gb_hero_seo p{font-size:16px;color:var(--gb_ink-soft);margin:0 0 10px;}
.gb_hero_seo p:last-child{margin-bottom:0;}
@media(min-width:860px){
  .gb_hero_grid{flex-direction:row;text-align:left;}
  .gb_hero_media{order:1;max-width:320px;}
  .gb_hero_title,.gb_hero_lede,.gb_hero_facts,.gb_hero_note,.gb_hero_agg{text-align:left;margin-left:0;justify-content:flex-start;}
  .gb_hero_title{font-size:42px;}
  .gb_hero_ctas{flex-direction:row;margin:0;}
}

.gb_badges{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
@media(min-width:700px){.gb_badges{grid-template-columns:repeat(4,1fr);}}
.gb_badge{background:#fff;border:1px solid var(--gb_border);border-radius:var(--gb_radius);padding:18px 10px;text-align:center;box-shadow:var(--gb_shadow);}
.gb_badge img{width:100%;max-width:58px;margin:0 auto 10px;object-fit:contain;}
.gb_badge_title{font-weight:800;font-size:15px;}

.gb_split{display:flex;flex-direction:column;gap:26px;align-items:center;}
.gb_split_media{width:100%;max-width:340px;border-radius:var(--gb_radius);overflow:hidden;box-shadow:var(--gb_shadow);}
.gb_split_text p{font-size:17px;color:var(--gb_ink-soft);}
@media(min-width:900px){.gb_split{flex-direction:row;}.gb_split_media{order:2;}.gb_split_text{order:1;flex:1;}}

.gb_steps{display:flex;flex-direction:column;gap:16px;}
@media(min-width:820px){.gb_steps{flex-direction:row;}}
.gb_step{background:#fff;border:1px solid var(--gb_border);border-radius:var(--gb_radius);padding:22px;flex:1;}
.gb_step_num{width:36px;height:36px;border-radius:50%;background:var(--gb_gold-100);color:var(--gb_gold-700);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;font-family:var(--gb_font-head);margin-bottom:12px;}
.gb_step h3{font-size:18px;margin-bottom:8px;}
.gb_step p{font-size:16px;color:var(--gb_ink-soft);margin:0;}
.gb_how_infographic{margin:0 auto 30px;border-radius:var(--gb_radius);overflow:hidden;box-shadow:var(--gb_shadow);}
.gb_how_intro{max-width:780px;margin:0 auto 30px;text-align:center;}
.gb_how_intro p{font-size:17px;color:var(--gb_ink-soft);}
.gb_how_process{display:flex;flex-direction:column;gap:14px;margin-top:26px;}
@media(min-width:820px){.gb_how_process{flex-direction:row;}}
.gb_how_process_item{flex:1;background:#fff;border:1px solid var(--gb_border);border-radius:var(--gb_radius);padding:20px;text-align:center;}
.gb_how_process_num{display:inline-flex;width:32px;height:32px;border-radius:50%;background:var(--gb_black);color:var(--gb_gold-500);align-items:center;justify-content:center;font-weight:800;font-family:var(--gb_font-head);margin-bottom:10px;}
.gb_how_process_item h4{font-size:16px;margin-bottom:6px;letter-spacing:.02em;}
.gb_how_process_item p{font-size:15px;color:var(--gb_ink-soft);margin:0;}

.gb_ing{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:700px){.gb_ing{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1000px){.gb_ing{grid-template-columns:repeat(3,1fr);}}
.gb_ingcard{background:#fff;border:1px solid var(--gb_border);border-radius:var(--gb_radius);padding:22px;}
.gb_ingcard_tag{font-size:13.5px;color:var(--gb_gold-700);font-weight:800;text-transform:uppercase;letter-spacing:.02em;}
.gb_ingcard h3{font-size:19px;margin:6px 0 8px;}
.gb_ingcard p{font-size:16px;color:var(--gb_ink-soft);margin:0;}

.gb_benefits{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:700px){.gb_benefits{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1000px){.gb_benefits{grid-template-columns:repeat(3,1fr);}}
.gb_benefitcard{background:#fff;border:1px solid var(--gb_border);border-radius:var(--gb_radius);padding:24px;}
.gb_benefitcard-check{display:inline-flex;width:32px;height:32px;border-radius:50%;background:var(--gb_green);color:#fff;align-items:center;justify-content:center;font-weight:800;margin-bottom:12px;}
.gb_benefitcard h3{font-size:19px;margin-bottom:8px;}
.gb_benefitcard p{font-size:16px;color:var(--gb_ink-soft);margin:0;}

/* ---------- PRICING (redesigned) ---------- */
.gb_price{display:flex;flex-direction:column;gap:26px;}
@media(min-width:900px){.gb_price{flex-direction:row;align-items:stretch;}}
.gb_pricecard{position:relative;flex:1;background:#fff;border:1.5px solid var(--gb_border);border-radius:20px;padding:30px 24px 0;text-align:center;display:flex;flex-direction:column;}
.gb_pricecard_featured{border-color:var(--gb_gold-600);border-width:2px;box-shadow:0 14px 36px rgba(201,151,29,.22);}
.gb_pricecard_flag{position:absolute;top:-16px;left:50%;transform:translateX(-50%);color:#fff;font-size:13.5px;font-weight:800;letter-spacing:.03em;padding:7px 20px;border-radius:999px;white-space:nowrap;text-transform:uppercase;}
.gb_pricecard_flag--gold{background:linear-gradient(135deg,var(--gb_gold-500),var(--gb_gold-700));}
.gb_pricecard_flag--black{background:var(--gb_black);}
.gb_pricecard_label{font-weight:800;font-size:14px;letter-spacing:.06em;text-transform:uppercase;color:var(--gb_ink-faint);margin-top:6px;}
.gb_pricecard_title{font-family:var(--gb_font-head);font-size:24px;color:var(--gb_black);margin:6px 0 18px;}
.gb_pricecard_imgwrap{position:relative;width:fit-content;margin:0 auto 18px;}
.gb_pricecard_imgwrap img.gb_pricecard_bottle{max-width:170px;margin:0 auto;}
.gb_pricecard_seal{position:absolute;bottom:-6px;right:-22px;width:64px;height:64px;}
.gb_pricecard_price{font-family:var(--gb_font-head);font-size:42px;font-weight:700;color:var(--gb_black);line-height:1;}
.gb_pricecard_price span{font-size:17px;font-weight:600;color:var(--gb_ink-faint);font-family:var(--gb_font-body);}
.gb_pricecard_save{font-weight:800;font-size:16px;color:var(--gb_gold-700);margin:8px 0 20px;}
.gb_pricecard_buy{display:block;width:100%;padding:18px 20px;border-radius:999px;background:linear-gradient(135deg,var(--gb_orange),var(--gb_gold-700));color:#fff;font-weight:800;font-size:18px;letter-spacing:.02em;text-transform:uppercase;box-shadow:0 10px 24px rgba(224,114,44,.32);text-align:center;}
.gb_pricecard_guarantee{display:flex;align-items:center;justify-content:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--gb_ink-soft);margin:14px 0 22px;}
.gb_pricecard_divider{border-top:1px solid var(--gb_border);margin:0 -24px;}
.gb_pricecard_total{background:var(--gb_bg-soft);margin:0 -24px;padding:16px 24px;border-radius:0 0 18px 18px;font-size:16px;margin-top:auto;}
.gb_pricecard_total b{color:var(--gb_black);}
.gb_pricecard_total s{color:var(--gb_ink-faint);font-weight:600;}
.gb_pricecard_total .gb_pricecard_shipping{display:block;margin-top:4px;font-size:14.5px;color:var(--gb_ink-soft);font-weight:600;}
.gb_price_footnote{text-align:center;margin-top:22px;font-size:15px;color:var(--gb_ink-soft);}

.gb_guarantee{display:flex;flex-direction:column;gap:22px;align-items:center;text-align:center;background:var(--gb_gold-100);border-radius:20px;padding:36px 22px;}
.gb_guarantee img{width:120px;}
.gb_guarantee p{font-size:16.5px;color:var(--gb_ink-soft);max-width:580px;}
@media(min-width:820px){.gb_guarantee{flex-direction:row;text-align:left;}}

.gb_agg{display:flex;flex-direction:column;align-items:center;gap:6px;margin-bottom:28px;}
.gb_agg_stars{color:var(--gb_gold-600);font-size:23px;letter-spacing:2px;}
.gb_agg_score{font-family:var(--gb_font-head);font-size:25px;font-weight:800;color:var(--gb_black);}
.gb_agg_count{font-size:15px;color:var(--gb_ink-faint);font-weight:600;}
.gb_reviews{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:760px){.gb_reviews{grid-template-columns:repeat(3,1fr);}}
.gb_review{background:#fff;border:1px solid var(--gb_border);border-radius:var(--gb_radius);padding:20px;}
.gb_review_top{display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.gb_review_top img{width:46px;height:46px;border-radius:50%;object-fit:cover;}
.gb_review_name{font-weight:800;font-size:16px;}
.gb_review_loc{font-size:13.5px;color:var(--gb_ink-faint);}
.gb_review_stars{color:var(--gb_gold-600);font-size:15px;margin-bottom:8px;}
.gb_review p{font-size:15.5px;color:var(--gb_ink-soft);font-style:italic;margin:0;}
.gb_review_verified{display:inline-block;margin-top:10px;font-size:13px;color:var(--gb_green);font-weight:800;}

.gb_faq{max-width:740px;margin:0 auto;}
.gb_faqitem{border:1px solid var(--gb_border);border-radius:var(--gb_radius-sm);margin-bottom:12px;overflow:hidden;background:#fff;}
.gb_faqq{width:100%;text-align:left;background:none;border:none;padding:17px 20px;font-weight:800;font-size:17px;display:flex;justify-content:space-between;align-items:center;color:var(--gb_ink);}
.gb_faqq::after{content:"+";font-size:22px;color:var(--gb_gold-700);transition:transform .2s;}
.gb_faqitem.gb_open .gb_faqq::after{transform:rotate(45deg);}
.gb_faqa{max-height:0;overflow:hidden;transition:max-height .25s ease;font-size:16px;color:var(--gb_ink-soft);}
.gb_faqa p{padding:0 20px 18px;margin:0;}
.gb_faqitem.gb_open .gb_faqa{max-height:400px;}

.gb_blog{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:760px){.gb_blog{grid-template-columns:repeat(3,1fr);}}
.gb_blogcard{background:#fff;border:1px solid var(--gb_border);border-radius:var(--gb_radius);overflow:hidden;box-shadow:var(--gb_shadow);}
.gb_blogcard img{aspect-ratio:16/10;object-fit:cover;}
.gb_blogcard_body{padding:18px;}
.gb_blogcard_tag{font-size:13px;color:var(--gb_gold-700);font-weight:800;text-transform:uppercase;}
.gb_blogcard h3{font-size:17.5px;margin:6px 0 8px;}
.gb_blogcard p{font-size:15px;color:var(--gb_ink-soft);margin:0 0 10px;}
.gb_blogcard a{font-size:15px;font-weight:800;color:var(--gb_gold-700);}

.gb_final{background:linear-gradient(135deg,var(--gb_black),var(--gb_gold-900));border-radius:24px;padding:38px 22px;text-align:center;color:#fff;}
.gb_final img{max-width:230px;margin:0 auto 18px;}
.gb_final h2{color:#fff;font-size:27px;}
.gb_final p{color:#F0DFB5;font-size:16.5px;margin-bottom:20px;}
.gb_final .gb_btn_outline{background:#fff;color:var(--gb_black);border-color:#fff;}

.gb_footer{background:var(--gb_black);color:#D9CFAF;padding:64px 0 100px;font-size:16px;position:relative;}
.gb_footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--gb_gold-900),var(--gb_gold-500),var(--gb_gold-900));}
.gb_footer_top{display:flex;flex-direction:column;gap:22px;padding-bottom:34px;margin-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12);}
@media(min-width:760px){.gb_footer_top{flex-direction:row;align-items:center;justify-content:space-between;}}
.gb_footer_brand_block{max-width:460px;}
.gb_footer_logo{font-family:var(--gb_font-head);font-size:28px;color:#fff;margin-bottom:10px;}
.gb_footer_logo span{color:var(--gb_gold-500);}
.gb_footer_tagline{font-size:16px;color:#D9CFAF;margin:0;}
.gb_footer_trustrow{display:flex;flex-wrap:wrap;gap:22px;align-items:center;}
.gb_footer_trustitem{display:flex;align-items:center;gap:8px;font-size:14.5px;color:#E9DFB8;font-weight:700;}
.gb_footer_trustitem img{width:32px;height:32px;object-fit:contain;filter:brightness(0) invert(1) sepia(1) saturate(3) hue-rotate(5deg);opacity:.9;}
.gb_footer_grid{display:grid;grid-template-columns:1fr;gap:32px;margin-bottom:36px;}
@media(min-width:760px){.gb_footer_grid{grid-template-columns:1.6fr repeat(3,1fr) 1.2fr;}}
.gb_footer h4{color:#fff;font-size:16px;margin-bottom:15px;letter-spacing:.02em;text-transform:uppercase;font-family:var(--gb_font-body);font-weight:800;}
.gb_footer ul li{margin-bottom:10px;}
.gb_footer a{color:#D9CFAF;font-weight:600;}
.gb_footer a:hover{color:var(--gb_gold-500);}
.gb_footer_about p{font-size:15px;color:#C9BE99;margin:0 0 16px;}
.gb_footer_contact{font-size:15px;color:#D9CFAF;}
.gb_footer_contact li{display:flex;flex-direction:column;gap:2px;}
.gb_footer_contact b{color:#fff;font-size:13.5px;text-transform:uppercase;letter-spacing:.03em;}
.gb_footer_payments{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:6px;}
.gb_footer_payments img{max-height:24px;width:auto;filter:brightness(0) invert(1);opacity:.85;}
.gb_footer_disclaimer{border-top:1px solid rgba(255,255,255,.15);padding-top:24px;font-size:13px;color:#B3A87F;line-height:1.8;}
.gb_footer_bottom{margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 18px;font-size:13px;color:#B3A87F;font-weight:600;}
.gb_footer_bottomlinks{display:flex;flex-wrap:wrap;gap:8px 18px;}
.gb_backtotop{display:inline-flex;align-items:center;gap:6px;color:#E9DFB8;font-weight:800;font-size:13.5px;border:1px solid rgba(233,223,184,.35);border-radius:999px;padding:8px 18px;}
.gb_backtotop:hover{color:var(--gb_black);background:var(--gb_gold-500);border-color:var(--gb_gold-500);}

.gb_sticky{position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--gb_border);padding:12px 16px;box-shadow:0 -6px 20px rgba(23,21,18,.12);display:flex;gap:10px;align-items:center;}
.gb_sticky_info{flex:1;font-size:14px;font-weight:600;}
.gb_sticky_info b{display:block;font-size:17px;color:var(--gb_black);}

.gb_pagehead{padding:44px 0 22px;text-align:center;}
.gb_pagehead h1{font-size:31px;}
.gb_crumb{font-size:14.5px;color:var(--gb_ink-faint);margin-bottom:10px;}
.gb_crumb a{color:var(--gb_gold-700);font-weight:700;}

.gb_center{text-align:center;}