/* ══════════════════════════════════════════════════════════════
   GOLDELITE PEPTIDES — shared stylesheet for every page
   Black foundation · white type · restrained metallic-gold accents.
   Change a color or size here and the whole site updates.
   ══════════════════════════════════════════════════════════════ */

:root{
  /* Colors */
  --black:#050505;
  --charcoal:#0f0f10;
  --charcoal-2:#161618;
  --charcoal-3:#1f1f22;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);
  --gold:#C9A646;
  --gold-2:#E3C878;
  --gold-3:#9C7E2E;
  --gold-line:rgba(201,166,70,.45);
  --white:#FFFFFF;
  --text:#E9E9EB;          /* body copy */
  --muted:#A3A3A8;         /* supporting text */
  --faint:#76767C;
  --ok:#7FD18F;
  --warn:#E8C26A;
  --err:#FF8F85;

  /* Type */
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --fs-body:1.125rem;                         /* 18px desktop */
  --fs-sm:1rem;                               /* 16px */
  --fs-xs:.875rem;                            /* 14px — labels only */
  --fs-lead:clamp(1.1875rem,1.5vw,1.375rem);  /* 19–22px */
  --fs-h1:clamp(2.5rem,5.6vw,4.75rem);        /* 40–76px */
  --fs-h2:clamp(1.9rem,3.4vw,2.9rem);         /* 30–46px */
  --fs-h3:clamp(1.25rem,1.7vw,1.5rem);        /* 20–24px */

  /* Layout */
  --container:1240px;
  --gutter:clamp(16px,4vw,44px);
  --section:clamp(60px,8vw,112px);
  --r:14px;
  --r-sm:10px;
  --nav-h:84px;
  --shadow:0 24px 60px rgba(0,0,0,.5);
  --ease:cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
[hidden]{display:none !important;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 20px);}
body{font-family:var(--font);font-size:var(--fs-body);line-height:1.7;color:var(--text);background:var(--black);min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased;}
img,svg{max-width:100%;display:block;}
a{color:var(--gold-2);text-decoration:none;transition:color .2s;}
a:hover{color:var(--white);}
button{font:inherit;color:inherit;}
strong,b{color:var(--white);font-weight:600;}
:focus-visible{outline:2px solid var(--gold-2);outline-offset:3px;border-radius:6px;}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
.mono{font-family:var(--mono);}

h1,h2,h3,h4{color:var(--white);font-weight:700;line-height:1.12;letter-spacing:-.022em;}
h1{font-size:var(--fs-h1);letter-spacing:-.035em;}
h2{font-size:var(--fs-h2);}
h3{font-size:var(--fs-h3);line-height:1.3;letter-spacing:-.01em;}
p + p{margin-top:1em;}
.gold{color:var(--gold-2);}
.eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:var(--fs-xs);font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-2);margin-bottom:18px;}
.eyebrow::before{content:'';width:28px;height:1px;background:var(--gold);}
.lead{font-size:var(--fs-lead);line-height:1.65;color:var(--text);}
.muted{color:var(--muted);}
.small{font-size:var(--fs-sm);}

.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter);}
.narrow{max-width:880px;}
.section{padding-block:var(--section);}
.section.alt{background:var(--charcoal);border-block:1px solid var(--line);}
.section-head{max-width:780px;margin-bottom:clamp(36px,5vw,60px);}
.section-head.center{margin-inline:auto;text-align:center;}
.section-head.center .eyebrow::after{content:'';width:28px;height:1px;background:var(--gold);}
.section-head p{margin-top:16px;color:var(--muted);font-size:var(--fs-lead);}
.split-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:clamp(32px,4vw,52px);}
.split-head .section-head{margin-bottom:0;}

/* ── Buttons ── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:54px;padding:14px 28px;
  border-radius:6px;border:1px solid transparent;font-size:var(--fs-sm);font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  cursor:pointer;text-align:center;transition:background .25s var(--ease),border-color .25s,color .25s,transform .25s var(--ease),box-shadow .25s;
}
.btn:hover{transform:translateY(-1px);}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}
.btn-gold{background:linear-gradient(180deg,var(--gold-2),var(--gold) 60%,var(--gold-3));color:#0b0903;border-color:var(--gold);}
.btn-gold:hover{color:#0b0903;box-shadow:0 10px 30px rgba(201,166,70,.28);}
.btn-line{background:transparent;border-color:var(--line-2);color:var(--white);}
.btn-line:hover{border-color:var(--gold);color:var(--white);background:rgba(201,166,70,.06);}
.btn-sm{min-height:44px;padding:10px 18px;font-size:var(--fs-xs);}
.btn-block{width:100%;}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;}
.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:var(--fs-sm);letter-spacing:.08em;text-transform:uppercase;color:var(--gold-2);}
.text-link::after{content:'→';transition:transform .2s;}
.text-link:hover::after{transform:translateX(4px);}

/* ── Surfaces ── */
.panel{background:var(--charcoal-2);border:1px solid var(--line);border-radius:var(--r);padding:clamp(22px,3vw,36px);transition:border-color .3s,transform .3s var(--ease);}
.panel.hover:hover{border-color:var(--gold-line);transform:translateY(-3px);}
.panel h3{margin-bottom:10px;}
.panel p{color:var(--muted);font-size:var(--fs-sm);line-height:1.7;}
.panel.gold-edge{border-color:var(--gold-line);}
.icon{width:52px;height:52px;border-radius:10px;border:1px solid var(--gold-line);display:flex;align-items:center;justify-content:center;color:var(--gold-2);margin-bottom:20px;}
.icon svg{width:26px;height:26px;}
.grid{display:grid;gap:clamp(16px,2.2vw,28px);}
.g2{grid-template-columns:repeat(2,minmax(0,1fr));}
.g3{grid-template-columns:repeat(3,minmax(0,1fr));}
.g4{grid-template-columns:repeat(4,minmax(0,1fr));}
.chip{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;border:1px solid var(--line-2);font-size:var(--fs-xs);font-weight:600;color:var(--text);letter-spacing:.03em;white-space:nowrap;}
.chip.gold{border-color:var(--gold-line);color:var(--gold-2);}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--gold-line),transparent);border:0;}

/* ── Research-use bar & disclaimers ── */
.ruo-bar{background:#0b0b0c;border-bottom:1px solid var(--line);color:var(--gold-2);font-size:var(--fs-xs);font-weight:600;letter-spacing:.14em;text-transform:uppercase;text-align:center;padding:9px var(--gutter);}
.ruo-box{display:flex;gap:14px;align-items:flex-start;padding:16px 20px;border:1px solid var(--gold-line);border-left:3px solid var(--gold);border-radius:var(--r-sm);background:rgba(201,166,70,.05);font-size:var(--fs-sm);color:var(--text);line-height:1.6;}
.ruo-box strong{color:var(--gold-2);letter-spacing:.06em;}

/* ══ NAVIGATION ══ */
.site-nav{position:sticky;top:0;z-index:500;height:var(--nav-h);background:rgba(5,5,5,.9);backdrop-filter:saturate(140%) blur(14px);-webkit-backdrop-filter:saturate(140%) blur(14px);border-bottom:1px solid var(--line);}
.site-nav .container{height:100%;display:flex;align-items:center;gap:28px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--white);font-size:1.25rem;font-weight:700;letter-spacing:-.01em;white-space:nowrap;margin-right:auto;}
.brand:hover{color:var(--white);}
.brand img{height:46px;width:auto;max-width:none;mix-blend-mode:lighten;}
.brand em{font-style:normal;color:var(--gold-2);font-weight:500;}
.nav-links{display:flex;align-items:center;gap:2px;list-style:none;}
.nav-links a{display:block;padding:10px 12px;border-radius:6px;font-size:.9375rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--text);white-space:nowrap;}
.nav-links a:hover{color:var(--white);background:rgba(255,255,255,.05);}
.nav-links a[aria-current=page]{color:var(--gold-2);}
.nav-links .only-mobile{display:none;}
.nav-actions{display:flex;align-items:center;gap:10px;}
.cart-btn{position:relative;display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:8px 16px;border-radius:6px;border:1px solid var(--line-2);background:transparent;color:var(--white);font-weight:600;font-size:var(--fs-xs);letter-spacing:.1em;text-transform:uppercase;cursor:pointer;}
.cart-btn:hover{border-color:var(--gold);}
.cart-btn svg{width:20px;height:20px;}
.cart-count{min-width:22px;height:22px;padding:0 6px;border-radius:999px;background:var(--gold);color:#0b0903;font-size:.8125rem;font-weight:800;display:none;align-items:center;justify-content:center;letter-spacing:0;}
.menu-btn{display:none;width:48px;height:48px;border-radius:8px;border:1px solid var(--line-2);background:transparent;color:var(--white);font-size:1.4rem;cursor:pointer;align-items:center;justify-content:center;}

/* ══ HERO ══ */
.hero{position:relative;overflow:hidden;padding-block:clamp(64px,9vw,128px) clamp(56px,8vw,112px);border-bottom:1px solid var(--line);}
.hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 70% at 78% 45%,rgba(201,166,70,.13),transparent 65%),radial-gradient(ellipse 40% 50% at 10% 0%,rgba(255,255,255,.04),transparent 60%);pointer-events:none;}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:clamp(32px,5vw,72px);}
.hero h1 .gold{display:block;}
.hero .lead{max-width:600px;margin:26px 0 36px;color:var(--text);}
.hero .ruo-box{margin-top:34px;max-width:600px;}
.hero-visual{position:relative;aspect-ratio:1/1;width:100%;max-width:560px;margin-left:auto;}
.hero-visual svg{width:100%;height:100%;overflow:visible;}
.float{animation:float 9s ease-in-out infinite;}
.float.d2{animation-delay:-3s;}
.float.d3{animation-delay:-6s;}
@keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);}}
.pulse{animation:pulse 4s ease-in-out infinite;}
@keyframes pulse{0%,100%{opacity:.35;}50%{opacity:1;}}
.draw{stroke-dasharray:900;stroke-dashoffset:900;animation:draw 3.5s var(--ease) .3s forwards;}
@keyframes draw{to{stroke-dashoffset:0;}}

/* Brand hero (home) — centered logo */
.hero-brand{text-align:center;padding-block:clamp(56px,8vw,120px) clamp(56px,7vw,104px);}
.hero-brand::before{background:
  radial-gradient(ellipse 55% 45% at 50% 30%,rgba(201,166,70,.16),transparent 70%),
  linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px) 0 0/40px 40px,
  linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px) 0 0/40px 40px;
  -webkit-mask-image:radial-gradient(ellipse 70% 80% at 50% 40%,#000 40%,transparent 100%);mask-image:radial-gradient(ellipse 70% 80% at 50% 40%,#000 40%,transparent 100%);}
.hero-brand .container{position:relative;display:flex;flex-direction:column;align-items:center;}
.hero-logo-wrap{position:relative;width:min(880px,100%);margin-bottom:clamp(36px,5vw,60px);padding-block:clamp(18px,2.5vw,30px);border-block:1px solid transparent;border-image:linear-gradient(90deg,transparent,var(--gold-line),transparent) 1;animation:heroIn 1.2s var(--ease) both;}
.hero-logo{width:100%;height:auto;mix-blend-mode:lighten;filter:drop-shadow(0 0 40px rgba(201,166,70,.18));}
.hero-brand .eyebrow{animation:heroIn 1.2s var(--ease) .15s both;}
.hero-brand .eyebrow::after{content:'';width:28px;height:1px;background:var(--gold);}
.hero-brand h1{max-width:900px;animation:heroIn 1.2s var(--ease) .25s both;}
.hero-brand .lead{max-width:680px;margin:24px auto 36px;color:var(--muted);animation:heroIn 1.2s var(--ease) .35s both;}
.hero-brand .btn-row{justify-content:center;animation:heroIn 1.2s var(--ease) .45s both;}
.hero-brand .ruo-box{margin-top:36px;max-width:680px;text-align:left;animation:heroIn 1.2s var(--ease) .55s both;}
@keyframes heroIn{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:none;}}

/* Stats band */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--charcoal);}
.stat{padding:28px 26px;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;}
.stat .k{display:block;font-size:var(--fs-xs);letter-spacing:.16em;text-transform:uppercase;color:var(--gold-2);font-weight:600;margin-bottom:8px;}
.stat .v{display:block;color:var(--white);font-size:1.25rem;font-weight:600;line-height:1.35;}

/* Page header (inner pages) */
.page-head{position:relative;overflow:hidden;padding-block:clamp(56px,7vw,96px) clamp(40px,5vw,64px);border-bottom:1px solid var(--line);}
.page-head::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 50% 90% at 85% 10%,rgba(201,166,70,.1),transparent 60%);pointer-events:none;}
.page-head .container{position:relative;}
.page-head h1{font-size:clamp(2.25rem,4.6vw,3.75rem);max-width:900px;}
.page-head .lead{max-width:760px;margin-top:20px;color:var(--muted);}
.crumbs{font-size:var(--fs-xs);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:18px;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--gold-2);}

/* ══ CATALOG ══ */
.toolbar{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:center;margin-bottom:22px;}
.search{display:flex;align-items:center;gap:12px;background:var(--charcoal-2);border:1px solid var(--line-2);border-radius:8px;padding:0 8px 0 18px;min-height:58px;transition:border-color .2s,box-shadow .2s;}
.search:focus-within{border-color:var(--gold);box-shadow:0 0 0 4px rgba(201,166,70,.12);}
.search svg{width:20px;height:20px;color:var(--muted);flex:none;}
.search input{flex:1;min-width:0;background:none;border:none;outline:none;color:var(--white);font-size:1.0625rem;padding:14px 0;}
.search input::placeholder{color:var(--faint);}
.select{min-height:58px;padding:0 44px 0 16px;border-radius:8px;border:1px solid var(--line-2);background:var(--charcoal-2) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' stroke='%23C9A646' stroke-width='1.6'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E") no-repeat right 16px center;color:var(--white);font-size:1rem;appearance:none;-webkit-appearance:none;cursor:pointer;}
.select:focus{border-color:var(--gold);outline:none;}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:clamp(28px,3.5vw,40px);}
.filter{min-height:44px;padding:8px 18px;border-radius:999px;border:1px solid var(--line-2);background:transparent;color:var(--text);font-size:var(--fs-sm);font-weight:500;cursor:pointer;transition:all .2s;}
.filter:hover{border-color:var(--gold-line);color:var(--white);}
.filter[aria-pressed=true]{background:var(--white);border-color:var(--white);color:#050505;font-weight:600;}
.result-count{font-size:var(--fs-sm);color:var(--muted);margin-bottom:18px;}

.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:clamp(16px,2.2vw,26px);}
.product{position:relative;display:flex;flex-direction:column;background:var(--charcoal-2);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;transition:border-color .3s,transform .3s var(--ease),box-shadow .3s;}
.product:hover{border-color:var(--gold-line);transform:translateY(-3px);box-shadow:var(--shadow);}
.product-img{position:relative;display:block;aspect-ratio:16/11;background:radial-gradient(circle at 50% 42%,#1e1c17,#0a0a0a 72%);border-bottom:1px solid var(--line);}
.product-img img{width:100%;height:100%;object-fit:contain;padding:20px;transition:transform .5s var(--ease);}
.product:hover .product-img img{transform:scale(1.03);}
.product-img .chip{position:absolute;top:14px;left:14px;background:rgba(5,5,5,.85);}
.save-btn{position:absolute;top:10px;right:10px;width:44px;height:44px;border-radius:50%;border:1px solid var(--line-2);background:rgba(5,5,5,.8);color:var(--muted);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.2rem;}
.save-btn[aria-pressed=true]{color:var(--gold-2);border-color:var(--gold-line);}
.product-body{display:flex;flex-direction:column;gap:16px;padding:clamp(20px,2.2vw,28px);flex:1;}
.product-cat{font-size:var(--fs-xs);letter-spacing:.16em;text-transform:uppercase;color:var(--gold-2);font-weight:600;}
.product-body h3{font-size:1.5rem;}
.product-body h3 a{color:var(--white);}
.product-body h3 a:hover{color:var(--gold-2);}
.specs{display:grid;grid-template-columns:auto 1fr;gap:8px 18px;font-size:var(--fs-sm);border-top:1px solid var(--line);padding-top:16px;}
.specs dt{color:var(--muted);}
.specs dd{color:var(--white);font-family:var(--mono);font-size:.9375rem;text-align:right;overflow-wrap:anywhere;}
.specs dd.pending{font-family:var(--font);color:var(--faint);font-style:italic;}
.opts{display:flex;flex-wrap:wrap;gap:8px;}
.opt{min-height:46px;padding:8px 16px;border-radius:8px;border:1px solid var(--line-2);background:transparent;cursor:pointer;font-size:var(--fs-sm);font-weight:600;color:var(--text);display:flex;gap:10px;align-items:center;}
.opt span{color:var(--muted);font-weight:500;}
.opt[aria-pressed=true]{border-color:var(--gold);background:rgba(201,166,70,.1);color:var(--white);}
.opt[aria-pressed=true] span{color:var(--gold-2);}
.product-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:4px;flex-wrap:wrap;}
.price{font-size:1.875rem;font-weight:700;color:var(--white);letter-spacing:-.02em;line-height:1;}
.product-actions{display:flex;gap:8px;}
.empty{grid-column:1/-1;text-align:center;padding:64px 20px;color:var(--muted);border:1px dashed var(--line-2);border-radius:var(--r);}

/* Category cards (home) */
.cat-card{display:flex;flex-direction:column;gap:6px;padding:26px;border:1px solid var(--line);border-radius:var(--r);background:var(--charcoal-2);color:var(--white);transition:border-color .3s,transform .3s var(--ease);}
.cat-card:hover{border-color:var(--gold-line);transform:translateY(-3px);color:var(--white);}
.cat-card .n{font-family:var(--mono);font-size:var(--fs-xs);color:var(--gold-2);}
.cat-card strong{font-size:1.25rem;}
.cat-card span:last-child{font-size:var(--fs-sm);color:var(--muted);}

/* ══ TABLES (COA database / LIMS look) ══ */
.lims{border:1px solid var(--line-2);border-radius:var(--r);overflow:hidden;background:var(--charcoal);}
.lims-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;border-bottom:1px solid var(--line);background:#0b0b0c;font-family:var(--mono);font-size:var(--fs-xs);color:var(--muted);letter-spacing:.06em;flex-wrap:wrap;}
.lims-head .live{display:inline-flex;align-items:center;gap:8px;color:var(--ok);}
.lims-head .live::before{content:'';width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 8px var(--ok);}
.lims-form{display:grid;grid-template-columns:repeat(5,minmax(0,1fr)) auto;gap:12px;padding:20px;border-bottom:1px solid var(--line);align-items:end;}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table.data{width:100%;border-collapse:collapse;font-size:var(--fs-sm);min-width:920px;}
table.data th{text-align:left;font-size:var(--fs-xs);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600;padding:14px 18px;border-bottom:1px solid var(--line-2);background:#0b0b0c;white-space:nowrap;}
table.data td{padding:16px 18px;border-bottom:1px solid var(--line);color:var(--text);vertical-align:middle;}
table.data tr:hover td{background:rgba(255,255,255,.02);}
table.data td.mono{font-family:var(--mono);font-size:.9375rem;color:var(--white);}
.status{display:inline-flex;align-items:center;gap:8px;font-weight:600;white-space:nowrap;}
.status::before{content:'';width:8px;height:8px;border-radius:50%;}
.status.ok{color:var(--ok);}
.status.ok::before{background:var(--ok);}
.status.pending{color:var(--warn);}
.status.pending::before{background:var(--warn);}
.table-empty{padding:48px 20px;text-align:center;color:var(--muted);}

/* Mobile cards replace the table on phones */
.coa-cards{display:none;}
.coa-card{padding:18px 20px;border-bottom:1px solid var(--line);}
.coa-card:last-child{border-bottom:0;}
.coa-card h3{font-size:1.125rem;margin-bottom:10px;}

/* Lot verification */
.verify{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);align-items:center;}
.verify-form{display:flex;gap:10px;}
.verify-form input{flex:1;min-width:0;min-height:58px;padding:0 18px;border-radius:8px;border:1px solid var(--line-2);background:var(--black);color:var(--white);font-family:var(--mono);font-size:1.0625rem;letter-spacing:.06em;text-transform:uppercase;outline:none;}
.verify-form input:focus{border-color:var(--gold);box-shadow:0 0 0 4px rgba(201,166,70,.12);}
.verify-result{margin-top:18px;}
.record{border:1px solid var(--line-2);border-radius:var(--r-sm);background:var(--black);padding:18px 20px;}
.record + .record{margin-top:12px;}
.record .specs{border-top:0;padding-top:0;margin-top:12px;}

/* ══ EVIDENCE LABELS (research library) ══ */
.ev{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:4px;font-size:.8125rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;border:1px solid;}
.ev.human{color:#8FC7FF;border-color:rgba(143,199,255,.4);background:rgba(143,199,255,.06);}
.ev.animal{color:#E3C878;border-color:rgba(227,200,120,.4);background:rgba(227,200,120,.06);}
.ev.invitro{color:#B9A6FF;border-color:rgba(185,166,255,.4);background:rgba(185,166,255,.06);}
.ev.review{color:#C9C9CF;border-color:rgba(201,201,207,.35);background:rgba(201,201,207,.05);}
.ev.theory{color:#FF9E9E;border-color:rgba(255,158,158,.4);background:rgba(255,158,158,.05);}
.legend{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;}
.legend .panel{padding:18px;}
.legend p{margin-top:10px;}
.ref{display:grid;grid-template-columns:1fr auto;gap:10px 24px;padding:24px 0;border-bottom:1px solid var(--line);}
.ref:first-child{padding-top:0;}
.ref h3{font-size:1.1875rem;line-height:1.4;}
.ref .cite{font-size:var(--fs-sm);color:var(--muted);margin-top:6px;}
.ref .sum{font-size:var(--fs-sm);color:var(--text);margin-top:10px;max-width:820px;}
.ref .meta{display:flex;flex-direction:column;align-items:flex-end;gap:8px;}

/* ══ PRODUCT RESEARCH PAGE ══ */
.pdp{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,64px);align-items:start;}
.pdp-media{position:sticky;top:calc(var(--nav-h) + 20px);aspect-ratio:1/1;border:1px solid var(--line);border-radius:var(--r);background:radial-gradient(circle at 50% 42%,#1e1c17,#0a0a0a 72%);display:flex;align-items:center;justify-content:center;}
.pdp-media img{width:82%;height:82%;object-fit:contain;}
.pdp-buy{margin-top:26px;padding-top:26px;border-top:1px solid var(--line);display:grid;gap:18px;}
.doc-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:clamp(28px,4vw,60px);align-items:start;}
.toc{position:sticky;top:calc(var(--nav-h) + 20px);list-style:none;border-left:1px solid var(--line-2);}
.toc a{display:block;padding:8px 0 8px 18px;margin-left:-1px;border-left:2px solid transparent;color:var(--muted);font-size:var(--fs-sm);}
.toc a:hover,.toc a.on{color:var(--white);border-left-color:var(--gold);}
.doc section{padding-bottom:clamp(36px,4vw,52px);margin-bottom:clamp(36px,4vw,52px);border-bottom:1px solid var(--line);}
.doc section:last-child{border-bottom:0;}
.doc h2{font-size:clamp(1.6rem,2.6vw,2.1rem);margin-bottom:18px;}
.doc p,.doc li{color:var(--text);}
.doc ul{padding-left:1.2em;display:grid;gap:8px;}
.doc .specs{font-size:1.0625rem;max-width:640px;}
.note{font-size:var(--fs-sm);color:var(--muted);margin-top:14px;font-style:italic;}

/* ══ FORMS ══ */
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;text-align:left;}
.field label{font-size:var(--fs-sm);font-weight:600;color:var(--white);}
.field .hint{font-size:.9375rem;color:var(--muted);}
.field input,.field textarea,.field select{width:100%;min-height:56px;padding:14px 16px;border-radius:8px;border:1px solid var(--line-2);background:var(--black);color:var(--white);font-family:var(--font);font-size:1.0625rem;outline:none;transition:border-color .2s,box-shadow .2s;}
.field textarea{min-height:96px;resize:vertical;}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--gold);box-shadow:0 0 0 4px rgba(201,166,70,.12);}
.field input::placeholder,.field textarea::placeholder{color:var(--faint);}
.field input[type=date]{color-scheme:dark;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:0 14px;}
.pw-wrap{position:relative;}
.pw-wrap input{padding-right:84px;}
.pw-toggle{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--gold-2);font-weight:600;font-size:.9375rem;cursor:pointer;padding:10px 12px;}
.check{display:flex;gap:12px;align-items:flex-start;font-size:var(--fs-sm);line-height:1.6;color:var(--text);cursor:pointer;text-align:left;}
.check input{width:22px;height:22px;flex:0 0 22px;margin-top:1px;accent-color:var(--gold);}
.form-msg{min-height:26px;font-size:var(--fs-sm);line-height:1.5;margin-top:14px;text-align:center;}
.form-msg.err{color:var(--err);}
.form-msg.ok{color:var(--ok);}
.link-btn{background:none;border:none;color:var(--gold-2);font-size:var(--fs-sm);font-weight:600;cursor:pointer;text-decoration:underline;text-underline-offset:4px;padding:8px;}
.link-btn:hover{color:var(--white);}

/* ══ CART DRAWER ══ */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:900;opacity:0;pointer-events:none;transition:opacity .25s;}
.overlay.on{opacity:1;pointer-events:auto;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(480px,100%);z-index:901;background:var(--charcoal);border-left:1px solid var(--line-2);display:flex;flex-direction:column;transform:translateX(100%);transition:transform .35s var(--ease);overflow-y:auto;}
.drawer.on{transform:none;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:22px 24px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--charcoal);z-index:1;}
.drawer-head h2{font-size:1.5rem;}
.icon-btn{width:46px;height:46px;border-radius:8px;border:1px solid var(--line-2);background:transparent;color:var(--white);font-size:1.25rem;cursor:pointer;display:flex;align-items:center;justify-content:center;flex:none;}
.icon-btn:hover{border-color:var(--gold);}
.drawer-body{padding:8px 24px;}
.drawer-foot{border-top:1px solid var(--line);padding:22px 24px 28px;}
.cart-item{display:grid;grid-template-columns:64px 1fr auto;gap:14px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line);}
.cart-item img{width:64px;height:64px;object-fit:contain;border-radius:8px;background:#0a0a0a;border:1px solid var(--line);}
.cart-item .name{color:var(--white);font-weight:600;line-height:1.35;}
.cart-item .meta{font-size:.9375rem;color:var(--muted);}
.qty{display:inline-flex;align-items:center;gap:6px;margin-top:8px;}
.qty button{width:36px;height:36px;border-radius:6px;border:1px solid var(--line-2);background:transparent;color:var(--white);cursor:pointer;font-size:1.125rem;}
.qty span{min-width:26px;text-align:center;color:var(--white);font-weight:600;}
.cart-item .line{font-weight:700;color:var(--white);text-align:right;}
.cart-item .remove{display:block;margin-top:8px;margin-left:auto;background:none;border:none;color:var(--muted);cursor:pointer;font-size:.9375rem;text-decoration:underline;}
.cart-empty{text-align:center;padding:64px 10px;color:var(--muted);}
.cart-total{display:flex;justify-content:space-between;align-items:baseline;font-size:1.125rem;color:var(--white);font-weight:600;margin-bottom:18px;}
.cart-total span:last-child{font-size:1.75rem;font-weight:700;}

/* ══ MODAL & TOAST ══ */
.modal{position:fixed;inset:0;z-index:950;background:rgba(0,0,0,.75);display:none;align-items:center;justify-content:center;padding:16px;}
.modal.on{display:flex;}
.modal .panel{width:min(560px,100%);position:relative;max-height:calc(100vh - 32px);overflow-y:auto;background:var(--charcoal);border-color:var(--line-2);}
.modal .panel h2{font-size:1.625rem;margin-bottom:12px;padding-right:50px;}
.modal .icon-btn{position:absolute;top:16px;right:16px;}
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);z-index:990;background:var(--white);color:#050505;font-weight:600;padding:14px 22px;border-radius:8px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:all .3s var(--ease);max-width:calc(100% - 32px);text-align:center;}
.toast.on{opacity:1;transform:translate(-50%,0);}

/* ══ PORTAL ══ */
.portal{display:grid;grid-template-columns:260px minmax(0,1fr);gap:clamp(24px,3vw,44px);align-items:start;}
.portal-nav{position:sticky;top:calc(var(--nav-h) + 20px);display:grid;gap:4px;}
.portal-nav a{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:8px;color:var(--text);font-size:var(--fs-sm);font-weight:500;}
.portal-nav a:hover{background:var(--charcoal-2);color:var(--white);}
.portal-nav a.on{background:var(--charcoal-2);color:var(--white);box-shadow:inset 2px 0 0 var(--gold);}
.portal-section{display:none;}
.portal-section.on{display:block;}
.portal-section > h2{font-size:clamp(1.6rem,2.4vw,2rem);margin-bottom:8px;}
.portal-section > p.muted{margin-bottom:26px;}
.list-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:18px 0;border-bottom:1px solid var(--line);}

/* ══ FOOTER ══ */
.site-footer{border-top:1px solid var(--line);background:#030303;padding-block:clamp(52px,6vw,80px) 32px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,minmax(0,1fr));gap:36px;}
.footer-grid h4{font-size:var(--fs-xs);letter-spacing:.18em;text-transform:uppercase;color:var(--gold-2);margin-bottom:18px;font-weight:600;}
.footer-grid ul{list-style:none;display:grid;gap:10px;}
.footer-grid a{color:var(--text);font-size:var(--fs-sm);}
.footer-grid a:hover{color:var(--white);}
.footer-grid .brand{margin-bottom:16px;}
.footer-grid p{font-size:var(--fs-sm);color:var(--muted);max-width:360px;}
.footer-ruo{margin-top:44px;padding:20px 22px;border:1px solid var(--gold-line);border-radius:var(--r-sm);color:var(--white);font-size:var(--fs-sm);font-weight:600;letter-spacing:.06em;text-transform:uppercase;text-align:center;line-height:1.6;}
.footer-bottom{margin-top:28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.9375rem;color:var(--faint);}
.footer-bottom a,.footer-bottom button{color:var(--muted);background:none;border:none;cursor:pointer;font-size:.9375rem;}
.to-top{position:fixed;right:18px;bottom:18px;z-index:400;width:50px;height:50px;border-radius:50%;border:1px solid var(--line-2);background:var(--charcoal-2);color:var(--white);font-size:1.25rem;cursor:pointer;opacity:0;pointer-events:none;transition:opacity .25s;}
.to-top.on{opacity:1;pointer-events:auto;}
.admin-fab{position:fixed;left:18px;bottom:18px;z-index:400;width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:var(--charcoal-2);color:var(--faint);cursor:pointer;font-size:1rem;opacity:.55;}
.admin-fab:hover{opacity:1;}
.admin-only{display:none !important;}
body.admin-mode .admin-only{display:inline-flex !important;}

/* Reveal-on-scroll */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .8s var(--ease),transform .8s var(--ease);}
.reveal.in{opacity:1;transform:none;}

/* ══ ACCESS GATE (index.html) ══ */
body.gate-open{overflow:hidden;}
.gate{position:fixed;inset:0;z-index:1000;overflow-y:auto;-webkit-overflow-scrolling:touch;background:var(--black);}
.gate-shell{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);min-height:100%;}
/* Left brand panel */
.gate-aside{
  position:sticky;top:0;height:100vh;height:100dvh;display:flex;flex-direction:column;justify-content:space-between;gap:36px;
  padding:clamp(32px,4.5vw,64px);overflow:hidden;border-right:1px solid var(--line);
  background:
    radial-gradient(ellipse 80% 60% at 20% 105%,rgba(201,166,70,.2),transparent 60%),
    radial-gradient(ellipse 50% 40% at 90% 0%,rgba(255,255,255,.05),transparent 70%),
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px) 0 0/32px 32px,
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px) 0 0/32px 32px,
    var(--charcoal);
}
.gate-aside .brand{margin:0;font-size:1.375rem;}
.gate-aside .brand img{height:auto;width:min(420px,100%);}
.gate-aside-body{max-width:520px;}
.gate-aside h2{font-size:clamp(2.1rem,3.6vw,3.25rem);letter-spacing:-.03em;line-height:1.08;}
.gate-aside-lead{margin-top:20px;font-size:var(--fs-lead);color:var(--muted);line-height:1.6;}
.gate-points{list-style:none;display:grid;gap:18px;margin-top:36px;}
.gate-points li{display:flex;gap:16px;align-items:flex-start;}
.gate-points b{display:block;color:var(--white);font-size:1.0625rem;}
.gate-points li div span{display:block;color:var(--muted);font-size:var(--fs-sm);line-height:1.5;margin-top:2px;}
.gate-point-icon{flex:none;width:46px;height:46px;border-radius:10px;border:1px solid var(--gold-line);background:rgba(201,166,70,.06);display:flex;align-items:center;justify-content:center;color:var(--gold-2);}
.gate-point-icon svg{width:22px;height:22px;}
.gate-aside-foot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.8125rem;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);border-top:1px solid var(--line);padding-top:20px;}
/* Right form panel */
.gate-main{display:flex;justify-content:center;align-items:center;padding:clamp(32px,5vw,72px) clamp(20px,5vw,72px);background:radial-gradient(ellipse 60% 40% at 50% 0%,rgba(201,166,70,.07),transparent 70%),var(--black);}
.gate-inner{width:100%;max-width:500px;}
.stepper{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:clamp(28px,4vw,44px);}
.stepper li{display:flex;flex-direction:column;gap:6px;padding-top:14px;border-top:2px solid var(--line-2);font-size:var(--fs-sm);font-weight:600;color:var(--faint);}
.stepper li span{font-family:var(--mono);font-size:.8125rem;letter-spacing:.1em;}
.stepper li.on{border-top-color:var(--gold);color:var(--white);}
.stepper li.on span{color:var(--gold-2);}
.stepper li.done{border-top-color:var(--gold-3);color:var(--muted);}
.stepper li.done span::after{content:' ✓';color:var(--gold-2);}
.gate-card{width:100%;text-align:left;}
.gate-card h1{font-size:clamp(2rem,3.4vw,2.75rem);letter-spacing:-.03em;}
.gate-card .lead{margin:14px 0 26px;font-size:1.0625rem;color:var(--muted);}
.gate-title-row{display:flex;align-items:center;gap:20px;}
.gate-sub{font-size:var(--fs-xs);letter-spacing:.16em;text-transform:uppercase;color:var(--gold-2);font-weight:600;margin-top:6px;}
.age-mark{flex:none;width:84px;height:84px;border-radius:50%;display:flex;align-items:center;justify-content:center;border:1px solid var(--gold);box-shadow:0 0 0 6px rgba(201,166,70,.06),0 0 32px rgba(201,166,70,.18);font-size:2rem;font-weight:800;color:var(--white);letter-spacing:-.04em;}
.age-mark sup{color:var(--gold-2);font-size:1.125rem;}
.gate-help{margin-top:32px;padding-top:22px;border-top:1px solid var(--line);font-size:.9375rem;color:var(--faint);}
.gate-help a{color:var(--muted);}
.gate-help a:hover{color:var(--gold-2);}
.checklist{list-style:none;text-align:left;display:grid;gap:10px;margin:0 0 26px;}
.checklist li{display:flex;gap:12px;align-items:flex-start;padding:13px 16px;border-radius:8px;border:1px solid var(--line);background:var(--charcoal-2);font-size:var(--fs-sm);color:var(--white);line-height:1.5;}
.checklist li::before{content:'✓';color:var(--gold-2);font-weight:800;}
.gate-legal{font-size:.9375rem;color:var(--muted);margin-top:18px;line-height:1.6;}
.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;border-radius:8px;background:var(--black);border:1px solid var(--line-2);margin-bottom:26px;}
.auth-tabs button{min-height:48px;border-radius:6px;border:none;background:transparent;color:var(--muted);font-size:var(--fs-sm);font-weight:600;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;}
.auth-tabs button[aria-selected=true]{background:var(--white);color:#050505;}
.auth-view[hidden]{display:none;}
.disclaimer-box{text-align:left;padding:18px 20px;border-radius:8px;background:rgba(201,166,70,.05);border:1px solid var(--gold-line);border-left:3px solid var(--gold);margin:4px 0 22px;}
.disclaimer-box h3{font-size:var(--fs-xs);letter-spacing:.16em;text-transform:uppercase;color:var(--gold-2);margin-bottom:8px;}
.disclaimer-box p{font-size:.9375rem;color:var(--text);line-height:1.6;margin-bottom:14px;}

/* ══ RESPONSIVE ══ */
/* Desktop: two-tier header — logo & actions on top, full-size links below */
@media (min-width:1181px){
  :root{--nav-h:124px;}
  .site-nav{height:auto;}
  .site-nav .container{flex-wrap:wrap;height:auto;gap:0 28px;padding-top:12px;}
  .site-nav nav{order:3;width:100%;border-top:1px solid var(--line);margin-top:12px;}
  .nav-links{justify-content:space-between;padding:4px 0;}
  .nav-links a{padding:12px 14px;}
}
/* Tablets & below: menu button */
@media (max-width:1180px){
  :root{--nav-h:76px;}
  .menu-btn{display:inline-flex;}
  .nav-links{position:fixed;top:var(--nav-h);left:0;right:0;flex-direction:column;align-items:stretch;gap:0;padding:12px var(--gutter) 24px;background:rgba(5,5,5,.98);border-bottom:1px solid var(--line-2);box-shadow:var(--shadow);display:none;max-height:calc(100vh - var(--nav-h));overflow-y:auto;}
  .nav-links.open{display:flex;}
  .nav-links a{padding:18px 6px;font-size:1.0625rem;border-bottom:1px solid var(--line);border-radius:0;}
  .nav-links .only-mobile{display:block;}
  .g4,.stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat:nth-child(2){border-right:0;}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line);}
  .legend{grid-template-columns:repeat(3,minmax(0,1fr));}
  .lims-form{grid-template-columns:repeat(3,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr 1fr;}
  .footer-grid > :first-child{grid-column:1/-1;}
}
/* Access gate: narrower brand panel on small laptops/tablets landscape */
@media (max-width:1100px){
  .gate-shell{grid-template-columns:minmax(0,.85fr) minmax(0,1fr);}
}
/* Access gate: stack on tablet portrait & phones — brand panel becomes a header band */
@media (max-width:900px), (orientation:landscape) and (max-height:540px){
  .gate-shell{grid-template-columns:1fr;}
  .gate-aside{position:relative;height:auto;border-right:0;border-bottom:1px solid var(--line);gap:18px;padding:22px var(--gutter);}
  .gate-aside-body{max-width:none;}
  .gate-aside .eyebrow,.gate-points,.gate-aside-foot{display:none;}
  .gate-aside h2{font-size:clamp(1.375rem,4.5vw,1.875rem);}
  .gate-aside-lead{display:none;}
  .gate-aside .brand img{width:min(320px,82%);}
  .gate-main{align-items:flex-start;padding:32px var(--gutter) 48px;}
}
/* Tablet portrait */
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual{max-width:420px;margin:0 auto;order:-1;}
  .g3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .verify,.pdp{grid-template-columns:1fr;}
  .pdp-media{position:relative;top:0;max-width:520px;width:100%;margin-inline:auto;}
  .doc-layout,.portal{grid-template-columns:1fr;}
  .toc{display:none;}
  .portal-nav{position:relative;top:0;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));}
  .portal-nav a.on{box-shadow:inset 0 -2px 0 var(--gold);}
}
/* Phones (portrait) */
@media (max-width:640px){
  :root{--fs-body:1.0625rem;--nav-h:68px;}   /* 17px body text on phones */
  .brand{font-size:1.0625rem;}
  .brand img{height:36px;}
  .nav-portal{display:none;}
  .cart-btn .label{display:none;}
  .g2,.g3,.g4,.stats,.legend,.field-row{grid-template-columns:1fr;}
  .stat{border-right:0;border-bottom:1px solid var(--line);}
  .stat:last-child{border-bottom:0;}
  .product-grid{grid-template-columns:1fr;}
  .btn-row .btn{width:100%;}
  .toolbar{grid-template-columns:1fr;}
  .filters{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;margin-inline:calc(var(--gutter) * -1);padding-inline:var(--gutter);scrollbar-width:none;}
  .filters::-webkit-scrollbar{display:none;}
  .filter{flex:none;}
  .lims-form{grid-template-columns:1fr;}
  .table-wrap{display:none;}
  .coa-cards{display:block;}
  .verify-form{flex-direction:column;}
  .ref{grid-template-columns:1fr;}
  .ref .meta{flex-direction:row;align-items:center;flex-wrap:wrap;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .ruo-bar{font-size:.75rem;letter-spacing:.08em;}
}
@media (max-width:400px){
  .brand{font-size:1rem;gap:10px;}
  .site-nav .container{gap:12px;}
  .nav-actions{gap:8px;}
  .cart-btn{padding:8px 12px;}
  .menu-btn{width:44px;height:44px;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:340px){
  .brand img{height:30px;}
}
/* Phones in landscape (short screens) */
@media (orientation:landscape) and (max-height:540px){
  :root{--nav-h:62px;--section:48px;}
  .site-nav{position:relative;}
  .hero{padding-block:36px;}
  .hero-grid{grid-template-columns:1fr 240px;}
  .hero-visual{order:0;max-width:240px;}
  .page-head{padding-block:36px 28px;}
  .product-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .pdp{grid-template-columns:260px 1fr;}
  .pdp-media{position:relative;top:0;}
  .gate-main{padding:24px 28px;}
  .gate-inner{max-width:640px;}
  .stepper{margin-bottom:22px;}
  .age-mark{width:64px;height:64px;font-size:1.5rem;}
  .checklist{grid-template-columns:1fr 1fr 1fr;}
  .nav-links{max-height:calc(100vh - var(--nav-h));}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
  .draw{stroke-dashoffset:0;}
}