/* ============ AN PEPTIDE — core styles ============ */
:root{
  --ink:#0B1220;
  --ink-2:#243244;
  --muted:#5E6E7E;
  --muted-2:#8798A8;
  --bg:#FAFBFC;
  --surface:#FFFFFF;
  --surface-2:#F3F6F8;
  --line:#E4EAF0;
  --line-2:#EFF3F6;
  --accent:#0E6E5C;
  --accent-dark:#0A5446;
  --accent-soft:#E9F4F1;
  --gold:#B08A4F;
  --radius:14px;
  --radius-lg:22px;
  --shadow-sm:0 1px 2px rgba(11,18,32,.04), 0 6px 18px rgba(11,18,32,.05);
  --shadow-md:0 10px 40px rgba(11,18,32,.09);
  --max:1220px;
  --sans:"Inter","Helvetica Neue",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:15.5px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.serif{font-family:var(--serif)}

/* ---------- top bar ---------- */
.topbar{
  background:var(--ink);color:#D7E2E9;font-size:12.5px;letter-spacing:.02em;
}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:38px;gap:16px}
.topbar .dot{width:6px;height:6px;border-radius:50%;background:#4FD1A5;display:inline-block;margin-right:7px;box-shadow:0 0 0 3px rgba(79,209,165,.15)}
.topbar .right{display:flex;gap:18px;align-items:center;color:#9FB2BF}
.topbar a:hover{color:#fff}

/* ---------- header ---------- */
header.site{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line);
}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:70px;gap:24px}
.logo{display:flex;align-items:center;gap:11px;font-weight:700;letter-spacing:.14em;font-size:15px}
.logo .mark{
  width:34px;height:34px;border-radius:9px;background:var(--ink);color:#fff;
  display:grid;place-items:center;font-size:13px;letter-spacing:.04em;font-weight:700;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);
}
.logo small{display:block;font-size:9.5px;letter-spacing:.22em;color:var(--muted-2);font-weight:600;margin-top:-2px}
nav.main{display:flex;gap:28px;font-size:14px;color:var(--ink-2)}
nav.main a{padding:6px 0;position:relative;color:#40505F}
nav.main a:hover{color:var(--accent)}
nav.main a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1.5px;background:var(--accent);transition:right .25s}
nav.main a:hover::after{right:0}
.btn{
  display:inline-flex;align-items:center;gap:8px;border-radius:10px;border:1px solid transparent;
  padding:10px 17px;font-size:13.5px;font-weight:600;transition:transform .18s,box-shadow .18s,background .18s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(14,110,92,.22)}
.btn-primary:hover{background:var(--accent-dark)}
.btn-wa{background:#1FAF54;color:#fff;box-shadow:0 6px 18px rgba(31,175,84,.22)}
.btn-wa:hover{background:#189a49}
.btn-ghost{border-color:var(--line);background:#fff;color:var(--ink)}
.btn-ghost:hover{border-color:#CFD9E2;box-shadow:var(--shadow-sm)}
.btn-dark{background:var(--ink);color:#fff}
.btn-sm{padding:8px 13px;font-size:12.5px;border-radius:9px}
.icon{width:16px;height:16px;flex:0 0 auto}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(900px 420px at 78% -8%, #E9F4F1 0%, rgba(233,244,241,0) 62%),
  radial-gradient(700px 380px at 8% 0%, #F4EFE6 0%, rgba(244,239,230,0) 60%),
  linear-gradient(180deg,#FFFFFF 0%,#FAFBFC 100%);
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--line-2) 1px,transparent 1px),linear-gradient(90deg,var(--line-2) 1px,transparent 1px);
  background-size:56px 56px;mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 70%);
  opacity:.55;
}
.hero .wrap{position:relative;z-index:2;padding:78px 24px 70px;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:11.5px;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent);background:var(--accent-soft);
  border:1px solid #D3E8E2;padding:6px 12px;border-radius:999px;
}
h1.hero-title{
  font-family:var(--serif);font-weight:600;font-size:clamp(38px,4.4vw,58px);line-height:1.08;
  letter-spacing:-.02em;margin:20px 0 18px;
}
h1.hero-title em{font-style:italic;color:var(--accent)}
.hero p.lead{font-size:16.5px;color:var(--muted);max-width:520px;margin:0 0 30px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:34px}
.hero-facts{display:flex;gap:30px;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--line)}
.fact b{display:block;font-size:23px;font-weight:650;letter-spacing:-.02em;font-family:var(--serif)}
.fact span{font-size:12px;color:var(--muted-2);letter-spacing:.04em}

/* hero panel */
.panel{
  background:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-md);padding:26px;backdrop-filter:blur(6px);
}
.panel h3{margin:0 0 4px;font-size:14px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);font-weight:700}
.panel .big{font-family:var(--serif);font-size:26px;margin:0 0 16px;letter-spacing:-.01em}
.mini-list{list-style:none;margin:0;padding:0;font-size:13.5px}
.mini-list li{display:flex;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line)}
.mini-list li:last-child{border-bottom:0}
.mini-list .k{color:var(--muted-2);min-width:104px;font-size:12.5px}
.mini-list .v{font-weight:600;color:var(--ink-2)}

/* ---------- trust strip ---------- */
.trust{border-bottom:1px solid var(--line);background:#fff}
.trust .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.trust .item{display:flex;gap:12px;align-items:flex-start;padding:22px 22px;border-right:1px solid var(--line-2)}
.trust .item:last-child{border-right:0}
.trust .item svg{flex:0 0 18px;margin-top:2px;color:var(--accent)}
.trust b{display:block;font-size:13.5px;font-weight:650}
.trust span{font-size:12.5px;color:var(--muted-2)}

/* ---------- sections ---------- */
section.block{padding:72px 0}
section.block.tight{padding:56px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:30px}
.sec-head h2{font-family:var(--serif);font-size:clamp(26px,3vw,34px);font-weight:600;letter-spacing:-.015em;margin:0 0 6px}
.sec-head p{margin:0;color:var(--muted);font-size:14.5px;max-width:620px}
.sec-head .kicker{font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--gold);margin-bottom:8px}

/* ---------- toolbar ---------- */
.toolbar{
  position:sticky;top:70px;z-index:40;background:rgba(250,251,252,.95);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);padding:14px 0;
}
.toolbar .wrap{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.searchbox{position:relative;flex:1 1 280px;min-width:220px}
.searchbox svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--muted-2);width:16px;height:16px}
.searchbox input{
  width:100%;border:1px solid var(--line);background:#fff;border-radius:10px;padding:11px 14px 11px 38px;
  font-size:14px;color:var(--ink);outline:none;transition:border-color .18s,box-shadow .18s;
}
.searchbox input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(14,110,92,.1)}
select.sortsel{
  border:1px solid var(--line);background:#fff;border-radius:10px;padding:11px 34px 11px 13px;font-size:13.5px;
  color:var(--ink-2);appearance:none;outline:none;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235E6E7E' stroke-width='2.5'><path d='M6 9l6 6 6-6'/></svg>");
  background-repeat:no-repeat;background-position:right 12px center;
}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{
  border:1px solid var(--line);background:#fff;color:var(--ink-2);border-radius:999px;
  padding:8px 14px;font-size:13px;font-weight:550;transition:all .16s;
}
.chip:hover{border-color:#CFD9E2;color:var(--accent)}
.chip.active{background:var(--ink);border-color:var(--ink);color:#fff}

/* ---------- product grid ---------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(285px,1fr));gap:20px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 22px 18px;display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s,border-color .2s;
  position:relative;overflow:hidden;
}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);border-color:#D6E0E8}
.card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:linear-gradient(90deg,var(--accent),#6FBFAA);
  opacity:0;transition:opacity .2s;
}
.card:hover::before{opacity:1}
.card-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:10px}
.tag{
  font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  background:var(--surface-2);color:var(--muted);border:1px solid var(--line-2);
  padding:4px 9px;border-radius:6px;white-space:nowrap;
}
.code{font-size:11px;color:var(--muted-2);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.03em}
.card h3{margin:0 0 6px;font-size:17px;font-weight:650;letter-spacing:-.01em;line-height:1.3}
.card h3 a:hover{color:var(--accent)}
.card .desc{font-size:13px;color:var(--muted);margin:0 0 14px;min-height:38px}
.card .specs{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:16px}
.spec-pill{
  font-size:11px;color:var(--ink-2);background:#fff;border:1px solid var(--line);
  padding:3px 8px;border-radius:5px;font-variant-numeric:tabular-nums;
}
.spec-pill.more{color:var(--muted-2);background:var(--surface-2)}
.card-foot{margin-top:auto;display:flex;align-items:flex-end;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line-2)}
.price{display:flex;flex-direction:column}
.price .num{font-size:21px;font-weight:650;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.price .num small{font-size:12px;font-weight:600;color:var(--muted-2);margin-right:2px}
.price .unit{font-size:10.5px;color:var(--muted-2);letter-spacing:.02em}
.card-actions{display:flex;gap:7px}

/* ---------- empty state ---------- */
.empty{text-align:center;padding:70px 20px;color:var(--muted)}
.empty b{display:block;color:var(--ink);font-size:17px;margin-bottom:6px}

/* ---------- quality / coa section ---------- */
.quality{background:var(--ink);color:#DCE6EC;position:relative;overflow:hidden}
.quality::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 300px at 85% 0%, rgba(14,110,92,.5), transparent 65%);
}
.quality .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding:74px 24px}
.quality h2{font-family:var(--serif);font-size:clamp(26px,3vw,36px);color:#fff;margin:0 0 16px;letter-spacing:-.015em;line-height:1.2}
.quality p{color:#A9BCC7;font-size:14.5px}
.q-steps{list-style:none;margin:26px 0 0;padding:0;counter-reset:s}
.q-steps li{
  counter-increment:s;position:relative;padding:0 0 18px 40px;font-size:14px;color:#C6D5DE;
  border-left:1px solid rgba(255,255,255,.13);margin-left:12px;
}
.q-steps li:last-child{border-left-color:transparent;padding-bottom:0}
.q-steps li::before{
  content:counter(s);position:absolute;left:-13px;top:-2px;width:25px;height:25px;border-radius:50%;
  background:#12202F;border:1px solid rgba(255,255,255,.2);color:#fff;font-size:11px;font-weight:700;
  display:grid;place-items:center;
}
.q-steps b{color:#fff;font-weight:600}
.doc-mock{
  background:#fff;border-radius:10px;box-shadow:0 30px 80px rgba(0,0,0,.4);padding:26px 26px 20px;color:var(--ink);
  transform:rotate(-1.2deg);
}
.doc-mock .dm-head{display:flex;justify-content:space-between;align-items:flex-start;border-bottom:2px solid var(--ink);padding-bottom:12px;margin-bottom:14px}
.doc-mock .dm-head b{font-size:13px;letter-spacing:.16em}
.doc-mock .dm-head span{font-size:10px;color:var(--muted-2);letter-spacing:.1em}
.doc-mock table{width:100%;border-collapse:collapse;font-size:11.5px}
.doc-mock td{padding:6px 0;border-bottom:1px solid var(--line-2);color:var(--ink-2)}
.doc-mock td:last-child{text-align:right;font-variant-numeric:tabular-nums;font-weight:600}
.doc-mock .pass{color:#0E6E5C}

/* ---------- stats band ---------- */
.band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band .wrap{display:grid;grid-template-columns:repeat(4,1fr);padding:40px 24px;gap:24px;text-align:center}
.band b{display:block;font-family:var(--serif);font-size:32px;letter-spacing:-.02em}
.band span{font-size:12.5px;color:var(--muted-2)}

/* ---------- contact ---------- */
.contact{padding:76px 0;background:
  linear-gradient(180deg,#FFFFFF,#F6F9FA 60%,#F1F5F7);}
.contact-inner{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
  padding:48px;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;
}
.contact h2{font-family:var(--serif);font-size:clamp(26px,3vw,34px);margin:0 0 14px;letter-spacing:-.015em}
.contact p{color:var(--muted);margin:0 0 26px;max-width:460px}
.contact-rows{display:grid;gap:14px}
.crow{display:flex;gap:14px;align-items:center;background:var(--surface-2);border:1px solid var(--line-2);border-radius:11px;padding:14px 16px}
.crow .ci{width:34px;height:34px;border-radius:9px;background:#fff;border:1px solid var(--line);display:grid;place-items:center;color:var(--accent);flex:0 0 auto}
.crow .cl{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);font-weight:700}
.crow .cv{font-weight:650;font-size:14.5px;letter-spacing:.01em}
.crow .cv a:hover{color:var(--accent)}

/* ---------- footer ---------- */
footer.site{background:var(--ink);color:#8FA3B1;padding:56px 0 30px;font-size:13px}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
footer.site h4{color:#fff;font-size:12px;letter-spacing:.14em;text-transform:uppercase;margin:0 0 14px}
footer.site ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
footer.site a:hover{color:#fff}
footer.site .logo{color:#fff;margin-bottom:14px}
footer.site .logo .mark{background:#fff;color:var(--ink)}
footer .disc{font-size:11.5px;line-height:1.75;color:#6F8593;padding-top:22px;max-width:900px}
footer .bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:20px;color:#5F7684;font-size:12px}

/* ---------- floating whatsapp ---------- */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:90;display:flex;align-items:center;gap:10px;
  background:#1FAF54;color:#fff;border-radius:999px;padding:13px 20px 13px 15px;font-weight:650;font-size:14px;
  box-shadow:0 12px 30px rgba(31,175,84,.35);transition:transform .18s,box-shadow .18s;
}
.wa-float:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(31,175,84,.42)}
.wa-float svg{width:22px;height:22px}

/* ============ PRODUCT PAGE ============ */
.crumbs{font-size:12.5px;color:var(--muted-2);padding:20px 0 0}
.crumbs a:hover{color:var(--accent)}
.crumbs span{margin:0 7px;opacity:.6}
.p-hero{padding:20px 0 44px;border-bottom:1px solid var(--line);background:#fff}
.p-hero .wrap{display:grid;grid-template-columns:.85fr 1.15fr .8fr;gap:44px;align-items:start}
.p-title{font-family:var(--serif);font-size:clamp(30px,3.6vw,44px);line-height:1.12;letter-spacing:-.02em;margin:14px 0 12px}
.p-sum{font-size:16.5px;color:var(--muted);margin:0 0 22px;max-width:560px}
.p-meta{display:flex;gap:22px;flex-wrap:wrap;font-size:12.5px;color:var(--muted-2)}
.p-meta div b{color:var(--ink);font-weight:650;font-family:ui-monospace,Menlo,monospace;letter-spacing:.02em}
.buybox{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:26px;position:sticky;top:96px}
.buybox .lbl{font-size:11px;letter-spacing:.13em;text-transform:uppercase;color:var(--muted-2);font-weight:700;margin-bottom:10px}
.var-list{display:grid;gap:8px;margin-bottom:20px;max-height:340px;overflow:auto;padding-right:4px}
.var{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  border:1px solid var(--line);border-radius:10px;padding:11px 14px;background:#fff;transition:all .15s;text-align:left;width:100%;
}
.var:hover{border-color:#C9D6DF;background:#FCFDFD}
.var.sel{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 1px var(--accent) inset}
.var .vl{font-size:13.5px;font-weight:600}
.var .vc{font-size:10.5px;color:var(--muted-2);font-family:ui-monospace,Menlo,monospace}
.var .vp{font-size:15px;font-weight:650;font-variant-numeric:tabular-nums}
.buy-price{display:flex;align-items:baseline;gap:8px;margin-bottom:6px}
.buy-price .big{font-size:34px;font-weight:650;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.buy-price small{font-size:14px;color:var(--muted-2)}
.buy-per{font-size:12px;color:var(--muted-2);margin-bottom:18px}
.buybox .btn{width:100%;justify-content:center;margin-bottom:9px}
.p-body{padding:52px 0 20px}
.p-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:52px;align-items:start}
.prose h3{font-family:var(--serif);font-size:22px;margin:0 0 12px;letter-spacing:-.01em;font-weight:600}
.prose p{color:var(--ink-2);font-size:14.8px;margin:0 0 26px}
.prose ul.benefits{list-style:none;padding:0;margin:0 0 30px;display:grid;gap:10px}
.prose ul.benefits li{position:relative;padding-left:26px;font-size:14.5px;color:var(--ink-2)}
.prose ul.benefits li::before{
  content:"";position:absolute;left:0;top:8px;width:14px;height:14px;border-radius:50%;
  background:var(--accent-soft);border:1px solid #C9E4DD;
}
.prose ul.benefits li::after{
  content:"";position:absolute;left:4px;top:11.5px;width:6px;height:3px;border-left:1.6px solid var(--accent);
  border-bottom:1.6px solid var(--accent);transform:rotate(-45deg);
}
.protocol{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.protocol table{width:100%;border-collapse:collapse;font-size:14px}
.protocol th,.protocol td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line-2);vertical-align:top}
.protocol tr:last-child td{border-bottom:0}
.protocol th{width:38%;color:var(--muted);font-weight:550;font-size:13px;background:var(--surface-2)}
.protocol td{color:var(--ink);font-weight:550}
.coa-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm)}
.coa-card .ic{width:40px;height:40px;border-radius:10px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;margin-bottom:14px}
.coa-card h4{margin:0 0 6px;font-size:16px}
.coa-card p{font-size:13px;color:var(--muted);margin:0 0 16px}
.coa-mini{list-style:none;margin:0 0 18px;padding:0;font-size:12.5px;display:grid;gap:7px}
.coa-mini li{display:flex;justify-content:space-between;border-bottom:1px dashed var(--line-2);padding-bottom:6px}
.coa-mini .v{color:var(--accent);font-weight:650}
.related{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.rel-card{border:1px solid var(--line);border-radius:11px;padding:16px 18px;background:#fff;transition:all .18s}
.rel-card:hover{border-color:#D3DFE7;box-shadow:var(--shadow-sm)}
.rel-card b{display:block;font-size:14.5px;margin-bottom:3px}
.rel-card span{font-size:12px;color:var(--muted-2)}

/* ---------- product images / usage / calculator ---------- */
.card-img{display:block;margin:-22px -22px 14px;aspect-ratio:1/1;overflow:hidden;border-bottom:1px solid var(--line-2);background:var(--surface-2);position:relative;container-type:inline-size}
.card-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s}
.card:hover .card-img img{transform:scale(1.045)}

/* item code printed on the vial label */
.vial-code{
  position:absolute;display:flex;align-items:center;justify-content:center;
  font-size:5cqw;font-weight:700;letter-spacing:.03em;line-height:1;text-align:center;
  color:#2E373E;mix-blend-mode:multiply;opacity:.88;white-space:nowrap;pointer-events:none;
  text-shadow:0 0 1px rgba(255,255,255,.55);
}

.p-shot{position:relative;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fff;box-shadow:var(--shadow-sm);container-type:inline-size}
.p-shot img{width:100%;display:block;aspect-ratio:1/1;object-fit:cover}
.shot-label{
  position:absolute;left:12px;right:12px;bottom:12px;display:flex;gap:10px;align-items:center;
  background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:12px;padding:10px 14px;
  box-shadow:0 10px 26px rgba(15,23,32,.14);
}
.shot-label .mark{width:30px;height:30px;border-radius:8px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:11px;font-weight:700;flex:0 0 auto}
.shot-label .sl-txt{min-width:0}
.shot-label .sl-txt b{display:block;font-size:13px;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.shot-label .sl-txt i{display:block;font-style:normal;font-size:11px;color:var(--muted-2);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

.usage-steps{list-style:none;margin:0 0 26px;padding:0;counter-reset:us}
.usage-steps li{
  counter-increment:us;position:relative;padding:0 0 18px 46px;margin-left:15px;
  border-left:1px dashed var(--line);font-size:14px;color:var(--ink-2);line-height:1.65;
}
.usage-steps li:last-child{border-left-color:transparent;padding-bottom:0}
.usage-steps li::before{
  content:counter(us);position:absolute;left:-15px;top:0;width:30px;height:30px;border-radius:50%;
  background:var(--accent);color:#fff;font-size:12.5px;font-weight:700;display:grid;place-items:center;
}
.usage-steps b{display:block;color:var(--ink);font-size:14.5px;margin-bottom:2px}

.calc-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:26px;display:grid;gap:18px}
.calc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.calc-f label{display:block;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);font-weight:700;margin-bottom:7px}
.calc-f input,.calc-f select{
  width:100%;border:1px solid var(--line);border-radius:9px;padding:10px 12px;font-size:14px;
  color:var(--ink);outline:none;font-family:inherit;font-variant-numeric:tabular-nums;background:#fff;
}
.calc-f input:focus,.calc-f select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(14,110,92,.1)}
.calc-f .with-unit{position:relative}
.calc-f .with-unit em{position:absolute;right:12px;top:50%;transform:translateY(-50%);font-style:normal;font-size:12px;color:var(--muted-2);font-weight:600}
.calc-f .with-unit input{padding-right:44px}
.calc-duo{display:flex;gap:8px}
.calc-duo input{flex:1;min-width:0}
.calc-duo select{width:88px;flex:0 0 auto}
.calc-mode{display:flex;border:1px solid var(--line);border-radius:9px;overflow:hidden;width:max-content;max-width:100%}
.calc-mode button{border:0;background:#fff;padding:10px 14px;font-size:12.5px;font-weight:600;color:var(--muted);cursor:pointer;font-family:inherit;white-space:nowrap}
.calc-mode button.on{background:var(--ink);color:#fff}
.calc-out{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.calc-tile{background:var(--surface-2);border:1px solid var(--line-2);border-radius:11px;padding:13px 15px}
.calc-tile span{display:block;font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2);font-weight:700;margin-bottom:4px}
.calc-tile b{font-size:19px;font-weight:650;letter-spacing:-.01em;font-variant-numeric:tabular-nums;color:var(--ink)}
.calc-tile b small{font-size:11.5px;color:var(--muted-2);font-weight:600;margin-left:2px}
.calc-hint{font-size:12.5px;color:var(--ink-2);background:#F1F8F6;border:1px solid #D8EAE4;border-radius:9px;padding:10px 14px;line-height:1.7}
.calc-hint b{color:var(--accent)}
.calc-note{font-size:12px;color:var(--muted-2);line-height:1.7;margin:0}
@media(max-width:1120px){
  .p-hero .wrap{grid-template-columns:1fr 1fr}
  .p-shot{grid-column:1/-1;max-width:440px}
}
@media(max-width:860px){
  .calc-grid,.calc-out{grid-template-columns:1fr 1fr}
}

/* ============ COA PAGE ============ */
.coa-page{background:#EDF1F4;padding:34px 0 70px;min-height:70vh}
.coa-toolbar{max-width:840px;margin:0 auto 18px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:0 4px}
.coa-sheet{
  max-width:840px;margin:0 auto;background:#fff;padding:48px 54px 40px;
  box-shadow:0 14px 44px rgba(11,18,32,.12);position:relative;
}
.coa-sheet .watermark{
  position:absolute;top:44%;left:50%;transform:translate(-50%,-50%) rotate(-26deg);
  font-family:var(--serif);font-size:92px;font-weight:700;color:rgba(14,110,92,.045);
  letter-spacing:.06em;pointer-events:none;white-space:nowrap;
}
.coa-head{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;border-bottom:2.5px solid var(--ink);padding-bottom:18px;margin-bottom:6px}
.coa-head .brandline{display:flex;gap:12px;align-items:center}
.coa-head .mark{width:42px;height:42px;border-radius:10px;background:var(--ink);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px;letter-spacing:.04em}
.coa-head h1{font-size:15px;margin:0;letter-spacing:.18em;font-weight:700}
.coa-head .sub{font-size:10.5px;color:var(--muted-2);letter-spacing:.12em;text-transform:uppercase}
.coa-head .rno{text-align:right;font-size:10.5px;color:var(--muted);letter-spacing:.04em;line-height:1.9}
.coa-head .rno b{color:var(--ink);font-family:ui-monospace,Menlo,monospace;font-size:11.5px;letter-spacing:.02em}
.coa-title{text-align:center;font-family:var(--serif);font-size:19px;letter-spacing:.24em;margin:22px 0 4px;font-weight:600}
.coa-subtitle{text-align:center;font-size:10.5px;color:var(--muted-2);letter-spacing:.18em;text-transform:uppercase;margin-bottom:26px}
.coa-info{display:grid;grid-template-columns:1fr 1fr;gap:0 30px;margin-bottom:26px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0}
.coa-info .row{display:flex;justify-content:space-between;gap:14px;font-size:12px;padding:5px 0}
.coa-info .k{color:var(--muted)}
.coa-info .v{font-weight:600;font-family:ui-monospace,Menlo,monospace;font-size:11.5px;letter-spacing:.02em}
table.coa-table{width:100%;border-collapse:collapse;font-size:11.8px;margin-bottom:5px}
table.coa-table thead th{
  background:var(--ink);color:#fff;font-weight:600;font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  padding:9px 10px;text-align:left;
}
table.coa-table tbody td{padding:8px 10px;border-bottom:1px solid var(--line-2);color:var(--ink-2)}
table.coa-table tbody tr:nth-child(even){background:#FBFCFD}
table.coa-table .method{color:var(--muted-2);font-size:10.8px}
table.coa-table .result{font-weight:650;color:var(--ink);font-variant-numeric:tabular-nums}
table.coa-table .pass{color:#0E6E5C;font-weight:700;font-size:10.5px;letter-spacing:.06em}
.coa-concl{display:flex;gap:14px;align-items:flex-start;background:var(--accent-soft);border:1px solid #CFE6E0;border-radius:8px;padding:14px 16px;margin:18px 0 22px}
.coa-concl .tick{width:20px;height:20px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;flex:0 0 auto;font-size:11px;margin-top:1px}
.coa-concl b{display:block;font-size:12.5px;color:var(--accent-dark);margin-bottom:2px;letter-spacing:.04em}
.coa-concl span{font-size:12px;color:#33635A}
.coa-sign{display:grid;grid-template-columns:1fr 1fr 1fr;gap:26px;margin-top:34px;padding-top:8px}
.coa-sign .sig{border-top:1px solid var(--ink);padding-top:8px;font-size:10.5px;color:var(--muted)}
.coa-sign .sig b{display:block;font-family:var(--serif);font-size:15px;color:var(--ink);font-style:italic;margin-bottom:2px}
.coa-sign .stamp{
  border:2px solid rgba(14,110,92,.5);color:rgba(14,110,92,.75);border-radius:6px;padding:8px 12px;
  text-align:center;font-size:10px;letter-spacing:.14em;font-weight:700;align-self:center;
  transform:rotate(-6deg);
}
.coa-note{font-size:10.5px;color:var(--muted-2);line-height:1.8;border-top:1px solid var(--line);margin-top:26px;padding-top:14px}

/* ---------- responsive ---------- */
@media(max-width:1000px){
  .hero .wrap{grid-template-columns:1fr;gap:40px;padding:56px 24px}
  .quality .wrap{grid-template-columns:1fr;gap:36px}
  .p-hero .wrap,.p-grid{grid-template-columns:1fr;gap:34px}
  .p-shot{max-width:none}
  .buybox{position:static}
  .contact-inner{grid-template-columns:1fr;padding:34px}
  footer.site .cols{grid-template-columns:1fr 1fr}
  .trust .wrap{grid-template-columns:1fr 1fr}
  .trust .item:nth-child(2){border-right:0}
}
@media(max-width:720px){
  nav.main{display:none}
  .topbar .right{display:none}
  section.block{padding:52px 0}
  .grid{grid-template-columns:1fr}
  .band .wrap{grid-template-columns:1fr 1fr;gap:26px}
  .coa-sheet{padding:28px 22px}
  .coa-info{grid-template-columns:1fr}
  .coa-sign{grid-template-columns:1fr 1fr}
  .wa-float span{display:none}
  .wa-float{padding:14px}
  .hero-facts{gap:20px}
  .toolbar{top:70px}
}

/* ---------- print (COA) ---------- */
@media print{
  .topbar,header.site,.coa-toolbar,footer.site,.wa-float{display:none!important}
  body{background:#fff}
  .coa-page{padding:0;background:#fff}
  .coa-sheet{box-shadow:none;max-width:none;padding:0;margin:0}
  table.coa-table thead th{background:#111!important;color:#fff!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .coa-concl{background:#F1F8F6!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  @page{size:A4;margin:14mm}
}

/* ============ QUOTE CALCULATOR ============ */
.quote-wrap{max-width:1080px;margin:0 auto;padding:34px 24px 70px}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.quote-head{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:20px 26px;border-bottom:2px solid var(--ink);background:#FDFEFE;
}
.quote-head .qh-brand{display:flex;gap:11px;align-items:center}
.quote-head .mark{width:36px;height:36px;border-radius:9px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:700}
.quote-head b{display:block;font-size:13.5px;letter-spacing:.16em}
.quote-head .qh-brand span{font-size:10px;letter-spacing:.2em;color:var(--muted-2)}
.quote-head .qh-meta{text-align:right;font-size:11px;color:var(--muted-2);line-height:1.8;letter-spacing:.04em}
.quote-head .qh-meta b{font-family:ui-monospace,Menlo,monospace;color:var(--ink);font-size:11.5px;letter-spacing:.02em}

.q-scroll{overflow-x:auto}
table.qtable{width:100%;border-collapse:collapse;font-size:13.8px;min-width:720px}
.qtable thead th{
  background:var(--ink);color:#fff;font-weight:600;font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  padding:11px 14px;text-align:left;white-space:nowrap;
}
.qtable tbody td{padding:10px 14px;border-bottom:1px solid var(--line-2);vertical-align:middle}
.qtable tbody tr:hover{background:#FBFCFD}
.q-idx{color:var(--muted-2);font-size:12px;font-variant-numeric:tabular-nums}
/* searchable product picker */
.q-combo{position:relative;max-width:400px}
.q-code{display:none}
.q-search{
  width:100%;border:1px solid var(--line);border-radius:9px;background:#fff;
  padding:9px 30px 9px 11px;font-size:13px;color:var(--ink);outline:none;font-family:inherit;
  text-overflow:ellipsis;
}
.q-search::placeholder{color:var(--muted-2);font-size:12.5px}
.q-search:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(14,110,92,.1)}
.q-caret{
  position:absolute;right:4px;top:50%;transform:translateY(-50%);
  width:24px;height:24px;border:0;background:transparent;color:var(--muted-2);
  font-size:11px;line-height:1;cursor:pointer;border-radius:6px;
}
.q-caret:hover{background:#F1F5F4;color:var(--ink)}
.q-menu{
  position:fixed;z-index:80;overflow-y:auto;padding:5px;
  background:#fff;border:1px solid var(--line);border-radius:11px;
  box-shadow:0 16px 38px rgba(15,23,32,.16);
  -webkit-overflow-scrolling:touch;
}
.q-menu[hidden]{display:none}
.q-opt{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:7px 9px;border-radius:7px;cursor:pointer;font-size:12.8px;color:var(--ink-2);
}
.q-opt .qo-l{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.q-opt b{font-family:ui-monospace,Menlo,monospace;font-size:11.5px;color:var(--accent);letter-spacing:.02em}
.q-opt em{font-style:normal;color:var(--muted-2);font-size:11.5px;margin-left:4px}
.q-opt .qo-p{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap}
.q-opt:hover,.q-opt.is-active{background:#F0F7F5}
.q-empty,.q-more{padding:9px;font-size:12px;color:var(--muted-2);line-height:1.6}
.q-spec{font-size:11px;color:var(--muted-2);margin-top:4px;min-height:14px}
.qtable input[type=number]{
  width:70px;border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:13px;
  color:var(--ink);outline:none;font-variant-numeric:tabular-nums;font-family:inherit;
}
.qtable input[type=number]:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(14,110,92,.1)}
.q-price,.q-line{font-variant-numeric:tabular-nums;white-space:nowrap}
.q-price{color:var(--muted)}
.q-line{font-weight:650;text-align:right}
.q-rm{text-align:center}
.q-rm-btn{
  width:26px;height:26px;border-radius:7px;border:1px solid var(--line);background:#fff;color:var(--muted-2);
  font-size:15px;line-height:1;transition:all .15s;
}
.q-rm-btn:hover{border-color:#E7B3B3;color:#C0392B;background:#FDF3F2}

.q-actions{display:flex;gap:10px;padding:14px 26px;border-bottom:1px solid var(--line-2);background:#FCFDFD}

.q-summary{padding:22px 26px 26px;background:#FCFDFD}
.qs-grid{display:grid;grid-template-columns:1fr .9fr;gap:34px;align-items:start}
.qs-rows{max-width:420px}
.qs-row{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:11px 4px;border-bottom:1px solid var(--line-2);font-size:13.5px;color:var(--muted);
}
.qs-row b{font-variant-numeric:tabular-nums;color:var(--ink);font-size:14.5px}
.qs-ship{width:96px!important;border:1px solid var(--line);border-radius:8px;padding:7px 10px;font-size:13.5px;text-align:right}
.qs-row.qs-amount{border-bottom:0;border-top:2px solid var(--ink);margin-top:2px;padding-top:14px}
.qs-row.qs-amount span{font-weight:700;color:var(--ink);letter-spacing:.06em;text-transform:uppercase;font-size:12px}
.qs-row.qs-amount b{font-size:22px;font-weight:700;letter-spacing:-.02em}
.qs-toggle{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--ink-2);cursor:pointer;margin-bottom:12px}
.qs-toggle input{margin-top:3px;accent-color:var(--accent);width:15px;height:15px}
.qs-toggle em{display:block;font-style:normal;font-size:11.5px;color:var(--muted-2);margin-top:2px}
.qs-note{font-size:12px;color:var(--muted-2);line-height:1.8;margin:0}

.quote-toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}

@media(max-width:760px){
  .qs-grid{grid-template-columns:1fr;gap:22px}
  .quote-head{padding:16px 18px}
  .q-actions,.q-summary{padding-left:18px;padding-right:18px}
}

/* print: quotation only */
@media print{
  .topbar,header.site,footer.site,.wa-float,.quote-toolbar,.q-actions,.q-scroll .q-rm,.q-rm{display:none!important}
  body.quote-page{background:#fff}
  .quote-wrap{padding:0;max-width:none}
  .sec-head{display:none}
  .quote-card{border:0;box-shadow:none;border-radius:0}
  .quote-head{background:#fff!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .qtable thead th{background:#111!important;color:#fff!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .q-summary{background:#fff!important}
  .q-scroll{overflow:visible}
  .qtable{min-width:0}
  .q-combo{max-width:none}
  .q-caret,.q-menu{display:none!important}
  .q-search{border:0!important;padding:0!important;box-shadow:none!important;background:transparent!important;font-size:12.5px!important}
  @page{size:A4;margin:14mm}
}