/* ===================================================================
   STAMINOX — stamiinox.com
   Template : "dual-track" — split parallel-column layout reflecting
              the brand's own "dual-action" workout-support +
              male-performance positioning; red/black athletic gym
              aesthetic; category-level evidence-quality caution
              (citing the general nutraceutical research-quality
              caveat, not a specific claim against this product).
              Deliberately distinct from numbered-editorial, honeycomb-
              wellness, momentum-diagonal, verification-scorecard,
              power-dial, mobility-motion, clarity-brief, neural-map,
              signal-wave, buyer-console, scam-shield, fresh-start and
              ignition templates used elsewhere.
   Palette  : black #131315 | black-dk #0B0B0C | red #D6202A
              red-dk #A6151D | paper #FFFFFF | mist #F7F5F5
              ink #1B1A1B | slate #5B5759 | line #E9E4E4
   Type     : 'Roboto' (headings) + 'Open Sans' (body)
=================================================================== */

:root{
  --black:#131315;
  --black-dk:#0B0B0C;
  --red:#D6202A;
  --red-dk:#A6151D;
  --paper:#FFFFFF;
  --mist:#F7F5F5;
  --ink:#1B1A1B;
  --slate:#5B5759;
  --line:#E9E4E4;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:'Open Sans',sans-serif;
  font-size:17px;line-height:1.72;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Roboto',sans-serif;line-height:1.18;margin:0 0 .5em;color:var(--black);
  overflow-wrap:break-word;word-break:break-word}
h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(1.55rem,3.3vw,2.35rem);font-weight:700;letter-spacing:-.01em}
h3{font-size:1.26rem;font-weight:700}
h4{font-size:1.02rem;font-weight:700}
p{margin:0 0 1.15em}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.sx-wrap{max-width:1150px;margin:0 auto;padding:0 22px}
.sx-narrow{max-width:820px;margin:0 auto}

.sx-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--red);
  color:#fff;font-family:'Roboto',sans-serif;font-weight:800;font-size:.98rem;padding:15px 30px;
  border:none;border-radius:4px;cursor:pointer;transition:transform .16s,background .16s;
  text-transform:uppercase;letter-spacing:.03em}
.sx-btn:hover{background:var(--red-dk);color:#fff;transform:translateY(-2px)}
.sx-btn-dark{background:var(--black);color:#fff}
.sx-btn-dark:hover{background:var(--black-dk);color:#fff}
.sx-btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:9px;background:transparent;
  border:1.5px solid var(--line);color:var(--black);font-family:'Roboto',sans-serif;font-weight:700;
  font-size:.95rem;padding:13px 26px;border-radius:4px;transition:.16s;text-transform:uppercase;letter-spacing:.03em}
.sx-btn-ghost:hover{border-color:var(--red);color:var(--red-dk)}
.sx-btn-ghost-lite{border-color:rgba(214,32,42,.4);color:#F3C7C9}
.sx-btn-ghost-lite:hover{border-color:var(--red);color:#fff}
.sx-btn-full{width:100%}

.sx-strip{background:var(--black-dk);color:#CFC6C6;font-size:.78rem;text-align:center;padding:9px 16px}
.sx-strip b{color:var(--red)}
.sx-strip span{white-space:nowrap;margin:0 10px;display:inline-block}
@media(max-width:580px){.sx-strip{font-size:.71rem;line-height:1.55}.sx-strip span{white-space:normal;margin:0 6px}}

.sx-nav{position:sticky;top:0;z-index:900;background:rgba(255,255,255,.95);backdrop-filter:blur(9px);
  border-bottom:1px solid var(--line)}
.sx-nav .sx-wrap{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 22px}
.sx-logo{font-family:'Roboto',sans-serif;font-weight:800;font-size:1.28rem;color:var(--black);
  white-space:nowrap;letter-spacing:-.01em;text-transform:uppercase}
.sx-logo em{font-style:normal;color:var(--red)}
.sx-links{display:flex;align-items:center;gap:24px;list-style:none;margin:0;padding:0}
.sx-links a:not(.sx-btn){font-size:.9rem;font-weight:600;color:var(--ink);opacity:.82;font-family:'Roboto',sans-serif}
.sx-links a:not(.sx-btn):hover{opacity:1;color:var(--red-dk)}
.sx-links .sx-btn{color:#fff;opacity:1;padding:11px 22px}
.sx-toggle{display:none;background:none;border:none;color:var(--black);font-size:1.5rem;cursor:pointer}
@media(max-width:1040px){
  .sx-links{position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;
    align-items:stretch;gap:0;border-top:1px solid var(--line);display:none;max-height:76vh;overflow:auto}
  .sx-links.open{display:flex}
  .sx-links li{border-bottom:1px solid var(--line)}
  .sx-links a{display:block;padding:15px 22px}
  .sx-links .sx-btn{margin:14px 22px;width:calc(100% - 44px)}
  .sx-toggle{display:block}
}

/* ---------- HERO ---------- */
.sx-hero{position:relative;background:var(--black);color:#E7DEDE;padding:54px 0 0;overflow:hidden}
.sx-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:6px;
  background:linear-gradient(90deg,var(--red),var(--black) 50%,var(--red))}
.sx-hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:center;padding-bottom:44px}
.sx-hero h1{color:#fff}
.sx-hero h1 em{font-style:normal;color:var(--red)}
.sx-eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:'Roboto',sans-serif;font-size:.72rem;
  font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#fff;
  background:var(--red);padding:7px 16px;margin-bottom:16px;border-radius:3px}
.sx-hook{font-size:1.14rem;color:#fff;font-weight:600;max-width:33em;margin-bottom:12px}
.sx-hook b{color:var(--red)}
.sx-hero-sub{font-size:.98rem;color:#B7ACAC;max-width:36em}
.sx-hero-shot{text-align:center}
.sx-hero-shot img{max-width:min(320px,100%);margin:0 auto;filter:drop-shadow(0 26px 40px rgba(0,0,0,.55))}
.sx-hero-btns{display:flex;flex-wrap:wrap;gap:13px;margin-top:16px}

@media(max-width:900px){
  .sx-hero-grid{grid-template-columns:minmax(0,1fr);gap:24px}
  .sx-hero-copy{display:contents}
  .sx-hero-shot{order:1}
  .sx-hero-head{order:2}
  .sx-hero-rest{order:3}
  .sx-hero-shot img{max-width:min(220px,72%)}
}

/* ---------- sections ---------- */
.sx-sec{padding:70px 0}
.sx-sec-mist{background:var(--mist)}
.sx-sec-dark{background:var(--black-dk);color:#CFC6C6}
.sx-sec-dark h2,.sx-sec-dark h3,.sx-sec-dark h4{color:#fff}
.sx-head{max-width:760px;margin:0 auto 42px;text-align:center}
.sx-head .kick{display:inline-block;font-family:'Roboto',sans-serif;font-size:.72rem;font-weight:800;
  letter-spacing:.15em;text-transform:uppercase;color:var(--red-dk);margin-bottom:10px}
.sx-sec-dark .sx-head .kick{color:var(--red)}
.sx-head p{color:var(--slate);margin:0}
.sx-sec-dark .sx-head p{color:#A99F9F}

/* ---------- quick-answer box ---------- */
.sx-qa{background:#fff;border:1px solid var(--line);border-radius:6px;padding:24px 26px;
  box-shadow:0 10px 30px rgba(19,19,21,.08);border-left:4px solid var(--red)}
.sx-qa .tag{display:block;font-family:'Roboto',sans-serif;font-size:.69rem;font-weight:800;letter-spacing:.16em;
  text-transform:uppercase;color:var(--red-dk);margin-bottom:9px}
.sx-qa p{margin:0;color:var(--slate)}
.sx-qa p.first{color:var(--black);font-weight:700;margin-bottom:.6em}

/* ---------- evidence-quality caution ---------- */
.sx-caution{background:#FBF3E4;border:2px solid #E7BE8A;border-radius:6px;padding:22px 24px;
  display:flex;gap:14px;align-items:flex-start}
.sx-caution .ic{flex-shrink:0;width:38px;height:38px;border-radius:50%;background:#F0A93C;color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:1.1rem}
.sx-caution h3{color:#8A5A0F;margin:0 0 5px;font-size:1.02rem}
.sx-caution p{margin:0;color:#6B4F26;font-size:.9rem}

/* ---------- DUAL TRACK — the signature layout ---------- */
.sx-tracks{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:8px;overflow:hidden;
  border:1px solid var(--line)}
@media(max-width:820px){.sx-tracks{grid-template-columns:1fr}}
.sx-track{padding:32px 28px;background:#fff}
.sx-track.a{background:var(--mist);border-right:1px solid var(--line)}
@media(max-width:820px){.sx-track.a{border-right:none;border-bottom:1px solid var(--line)}}
.sx-track .lbl{display:inline-flex;align-items:center;gap:8px;font-family:'Roboto',sans-serif;font-size:.72rem;
  font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#fff;background:var(--black);
  padding:5px 13px;border-radius:3px;margin-bottom:14px}
.sx-track.a .lbl{background:var(--red)}
.sx-track h3{margin:0 0 12px}
.sx-track ul{margin:0;padding-left:0;list-style:none}
.sx-track li{position:relative;padding-left:24px;margin-bottom:10px;color:var(--slate);font-size:.94rem}
.sx-track li::before{content:'\25B8';position:absolute;left:0;color:var(--red);font-weight:800}
.sx-track.a li::before{color:var(--red)}

/* ---------- confidence timeline ---------- */
.sx-timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media(max-width:820px){.sx-timeline{grid-template-columns:minmax(0,1fr)}}
.sx-tl-item{background:#fff;border:1px solid var(--line);border-radius:6px;padding:24px 22px}
.sx-tl-item .wk{display:inline-block;font-family:'Roboto',sans-serif;font-weight:800;font-size:.74rem;
  letter-spacing:.06em;text-transform:uppercase;color:#fff;background:var(--red);padding:4px 12px;
  border-radius:3px;margin-bottom:12px}
.sx-tl-item h4{margin:0 0 6px}
.sx-tl-item p{margin:0;color:var(--slate);font-size:.9rem}

/* ---------- ingredient cards (compact, non-bar) ---------- */
.sx-ing{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media(max-width:760px){.sx-ing{grid-template-columns:minmax(0,1fr)}}
.sx-ing article{background:#fff;border:1px solid var(--line);border-radius:6px;padding:20px 22px;
  border-top:3px solid var(--red)}
.sx-ing h4{margin:0 0 6px;color:var(--black)}
.sx-ing p{margin:0;color:var(--slate);font-size:.9rem}

/* ---------- quality badges ---------- */
.sx-quality{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
@media(max-width:820px){.sx-quality{grid-template-columns:repeat(2,minmax(0,1fr))}}
.sx-quality article{background:#fff;border:1px solid var(--line);border-radius:6px;padding:22px 16px;text-align:center}
.sx-quality img{max-width:min(100px,100%);margin:0 auto 10px}
.sx-quality h4{margin:0;font-size:.9rem;color:var(--black)}

/* ---------- reviews ---------- */
.sx-revs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media(max-width:820px){.sx-revs{grid-template-columns:minmax(0,1fr)}}
.sx-rev{background:#fff;border:1px solid var(--line);border-radius:6px;padding:26px 24px}
.sx-rev-top{display:flex;align-items:center;gap:13px;margin-bottom:12px}
.sx-rev-top img{width:52px;height:52px;border-radius:50%;object-fit:cover;flex-shrink:0}
.sx-rev-name{font-family:'Roboto',sans-serif;font-weight:700;font-size:.94rem;color:var(--black)}
.sx-rev-loc{font-size:.77rem;color:var(--slate)}
.sx-rev-stars{color:var(--red);letter-spacing:2px;font-size:.9rem;margin-bottom:8px}
.sx-rev p{margin:0;color:var(--slate);font-size:.93rem;font-style:italic}

/* ---------- pricing ---------- */
.sx-plans{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:stretch}
@media(max-width:940px){.sx-plans{grid-template-columns:minmax(0,1fr);max-width:420px;margin:0 auto}}
.sx-plan{background:#fff;border:2px solid var(--line);border-radius:6px;padding:28px 22px;text-align:center;
  display:flex;flex-direction:column;position:relative}
.sx-plan.top{border-color:var(--red)}
@media(min-width:941px){.sx-plan.top{transform:translateY(-10px);box-shadow:0 26px 48px rgba(19,19,21,.16)}}
.sx-plan-tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--red);
  color:#fff;font-family:'Roboto',sans-serif;font-size:.71rem;font-weight:800;letter-spacing:.06em;
  text-transform:uppercase;padding:5px 16px;border-radius:3px;white-space:nowrap}
.sx-plan-tag.alt{background:var(--black);color:#fff}
.sx-plan img.pk{max-width:min(150px,100%);margin:6px auto 14px}
.sx-plan-ttl{font-family:'Roboto',sans-serif;font-weight:800;font-size:1.4rem;color:var(--black)}
.sx-plan-sub{font-size:.83rem;color:var(--slate);margin-bottom:14px}
.sx-plan-price{font-family:'Roboto',sans-serif;font-weight:800;font-size:2.3rem;color:var(--black);line-height:1}
.sx-plan-price small{font-family:'Open Sans',sans-serif;font-size:.8rem;font-weight:600;color:var(--slate)}
.sx-plan-tot{font-weight:700;font-size:.95rem;color:var(--black);margin:8px 0 4px}
.sx-plan-save{display:inline-block;background:var(--mist);color:var(--red-dk);font-size:.76rem;font-weight:800;
  border-radius:999px;padding:3px 12px;margin-bottom:12px}
.sx-plan ul{list-style:none;margin:0 0 18px;padding:0;text-align:left;font-size:.87rem;color:var(--slate)}
.sx-plan ul li{position:relative;padding-left:22px;margin-bottom:7px}
.sx-plan ul li::before{content:'\2713';position:absolute;left:0;color:var(--red-dk);font-weight:800}
.sx-plan .sx-btn{margin-top:auto}
.sx-plan .cards{max-width:min(160px,100%);margin:13px auto 0;opacity:.6}

/* ---------- safety / notes ---------- */
.sx-note{background:var(--mist);border:1px solid var(--line);border-radius:6px;padding:20px 22px;font-size:.92rem;color:var(--slate)}
.sx-note b{color:var(--black)}
.sx-note a{color:var(--red-dk);text-decoration:underline;text-underline-offset:2px}
.sx-safety{background:#fff;border:1px solid #E7C9A8;border-left:5px solid #C9631A;border-radius:6px;padding:28px 30px}
.sx-safety h3{color:#B0501E;display:flex;align-items:center;gap:10px}
.sx-safety p{color:var(--slate)}
.sx-safety ul{margin:0;padding-left:20px;color:var(--slate);font-size:.94rem}
.sx-safety li{margin-bottom:8px}
.sx-safety b{color:#B0501E}
.sx-safety a{color:var(--red-dk);text-decoration:underline;text-underline-offset:2px}

/* ---------- guarantee ---------- */
.sx-guar{display:grid;grid-template-columns:auto minmax(0,1fr);gap:36px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:6px;padding:36px}
@media(max-width:760px){.sx-guar{grid-template-columns:minmax(0,1fr);gap:22px;text-align:center;padding:28px 22px}}
.sx-guar img{max-width:min(160px,100%);margin:0 auto}
.sx-guar p{color:var(--slate)}
.sx-guar a{color:var(--red-dk);text-decoration:underline;text-underline-offset:2px}

/* ---------- faq ---------- */
.sx-faq{border-top:1px solid var(--line)}
.sx-faq-row{border-bottom:1px solid var(--line)}
.sx-faq-btn{width:100%;background:none;border:none;text-align:left;cursor:pointer;padding:20px 4px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-family:'Roboto',sans-serif;font-weight:700;font-size:1.03rem;color:var(--black)}
.sx-faq-btn::after{content:'+';font-size:1.4rem;color:var(--red-dk);flex-shrink:0;transition:transform .2s}
.sx-faq-row.on .sx-faq-btn::after{transform:rotate(45deg)}
.sx-faq-body{max-height:0;overflow:hidden;transition:max-height .28s ease}
.sx-faq-body p{padding:0 4px 20px;margin:0;color:var(--slate);font-size:.94rem}

/* ---------- references ---------- */
.sx-refs{list-style:none;margin:0;padding:0}
.sx-refs li{padding:11px 0;border-bottom:1px solid var(--line);font-size:.91rem;color:var(--slate)}
.sx-refs a{color:var(--red-dk);font-weight:600;text-decoration:underline;text-underline-offset:2px}

/* ---------- final cta ---------- */
.sx-final{background:linear-gradient(150deg,var(--black) 0%,var(--black-dk) 100%);border-radius:6px;
  padding:52px 30px;text-align:center;color:#fff}
.sx-final h2{color:#fff}
.sx-final p{color:#B7ACAC;max-width:40em;margin:0 auto}
.sx-final img{max-width:min(240px,100%);margin:20px auto}
.sx-final .price{font-family:'Roboto',sans-serif;font-weight:800;font-size:1.9rem;color:var(--red);margin:6px 0 20px}
.sx-final .sm{font-size:.84rem;color:#A99F9F;margin-top:16px}

/* ---------- breadcrumb ---------- */
.sx-crumb{font-size:.81rem;color:var(--slate);padding:16px 0 0}
.sx-crumb a{color:var(--red-dk);font-weight:600}
.sx-crumb i{font-style:normal;margin:0 7px;opacity:.5}

/* ---------- related ---------- */
.sx-rel{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
@media(max-width:760px){.sx-rel{grid-template-columns:minmax(0,1fr)}}
.sx-rel a{display:block;background:#fff;border:1px solid var(--line);border-radius:6px;padding:19px 20px;transition:.18s}
.sx-rel a:hover{border-color:var(--red);transform:translateY(-2px)}
.sx-rel b{display:block;font-family:'Roboto',sans-serif;font-size:.96rem;color:var(--black);margin-bottom:5px}
.sx-rel span{font-size:.84rem;color:var(--slate)}

/* ---------- article ---------- */
.sx-article h2{margin-top:1.6em}
.sx-article h3{margin-top:1.4em}
.sx-article p{color:var(--slate)}
.sx-article a{color:var(--red-dk);text-decoration:underline;text-underline-offset:2px}
.sx-article ul{color:var(--slate)}
.sx-article li{margin-bottom:8px}
.sx-meta{font-size:.86rem;color:var(--slate);margin-bottom:24px}
.sx-meta a{color:var(--red-dk);font-weight:600}

/* ---------- footer ---------- */
.sx-foot{background:#0A0A0B;color:#9A8F8F;padding:50px 0 34px;font-size:.87rem}
.sx-foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:26px}
@media(max-width:820px){.sx-foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:460px){.sx-foot-grid{grid-template-columns:1fr}}
.sx-foot h4{font-family:'Roboto',sans-serif;color:#E7DEDE;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;margin:0 0 14px}
.sx-foot ul{list-style:none;margin:0;padding:0}
.sx-foot li{margin-bottom:9px}
.sx-foot a{color:#C2B7B7}
.sx-foot a:hover{color:var(--red)}
.sx-foot-brand p{color:#6E6464;font-size:.85rem;line-height:1.6;margin:10px 0 0}
.sx-foot-logo{font-family:'Roboto',sans-serif;font-weight:800;font-size:1.28rem;color:#fff;text-transform:uppercase}
.sx-foot-logo em{font-style:normal;color:var(--red)}
.sx-foot hr{border:none;border-top:1px solid rgba(255,255,255,.08);margin:22px 0}
.sx-foot-legal{font-size:.83rem;color:#6E6464;line-height:1.7}
.sx-foot-legal b{color:#C2B7B7}
.sx-foot .cr{text-align:center;margin-top:22px;font-size:.83rem;opacity:.8}

/* ---------- sticky mobile bar ---------- */
.sx-sticky{position:fixed;left:0;right:0;bottom:0;z-index:950;background:var(--black-dk);border-top:2px solid var(--red);
  padding:9px 15px;display:none;align-items:center;justify-content:space-between;gap:12px;box-shadow:0 -6px 22px rgba(0,0,0,.3)}
.sx-sticky .t{min-width:0;line-height:1.24;color:#fff}
.sx-sticky .t b{display:block;font-family:'Roboto',sans-serif;font-size:.9rem;color:var(--red)}
.sx-sticky .t small{color:#CFC6C6;font-size:.7rem}
.sx-sticky .sx-btn{padding:10px 17px;font-size:.84rem;flex-shrink:0}
@media(max-width:900px){.sx-sticky{display:flex}body{padding-bottom:68px}}