/* ==========================================================
   Phyzon Labz — public site
   Palette: slate ink, clinical paper, lab green, seal amber
   ========================================================== */
:root{
  --ink:#1B2A41; --ink-2:#46566B; --ink-3:#6E7D8F;
  --paper:#F3F6F5; --white:#FFFFFF; --surface:#E9EFED;
  --line:#D5DFDB; --line-2:#C2CFCA;
  --green:#0F7B5F; --green-d:#0A5C47; --green-t:#E1F1EA;
  --amber:#E3A13B; --amber-d:#9A6312; --amber-t:#FBF0DC;
  --red:#B93A24; --red-t:#FAE7E2;
  --radius:10px; --radius-s:6px;
  --wrap:1180px;
  --f:"Archivo",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;font-family:var(--f);font-size:17px;line-height:1.6;color:var(--ink);background:var(--paper);font-variation-settings:"wdth" 100}
img{max-width:100%;height:auto;display:block}
a{color:var(--green-d);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--green)}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{line-height:1.15;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(34px,5.2vw,60px);font-variation-settings:"wdth" 112;font-weight:800;letter-spacing:-.025em}
h2{font-size:clamp(27px,3.2vw,38px);font-variation-settings:"wdth" 108;font-weight:750}
h3{font-size:20px}
p{margin:0 0 1em}
.ic{flex:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 14px;z-index:100}
.skip:focus{left:10px;top:10px}
.muted{color:var(--ink-2)}
.lede{font-size:19px;color:var(--ink-2);max-width:58ch}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:inherit;font-weight:650;font-size:16px;line-height:1;padding:14px 20px;border-radius:var(--radius-s);border:1.5px solid transparent;cursor:pointer;text-decoration:none;transition:background .15s,border-color .15s,color .15s}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-d);color:#fff}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#0F1A2B;color:#fff}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink)}
.btn-sm{padding:10px 14px;font-size:15px}
.btn[disabled]{opacity:.65;cursor:progress}
.btn-block{width:100%}

/* ---------- Announcement + header ---------- */
.notice{background:var(--ink);color:#DCE4EA;font-size:14px}
.notice .wrap{display:flex;align-items:center;gap:10px;padding-top:9px;padding-bottom:9px}
.notice .ic{color:var(--amber)}
.notice a{color:#fff}
.site-head{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.site-head .wrap{position:relative;display:flex;align-items:center;gap:28px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:20px;font-variation-settings:"wdth" 115}
.brand img{height:44px;width:auto}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a{color:var(--ink);text-decoration:none;font-weight:550;padding:10px 12px;border-radius:var(--radius-s);font-size:16px}
.nav a:hover{background:var(--paper)}
.nav a[aria-current="page"]{color:var(--green-d);box-shadow:inset 0 -2px 0 var(--green)}
.nav .btn{margin-left:10px;color:#fff;box-shadow:none}
.nav .btn:hover{background:var(--green-d)}
.nav .btn[aria-current="page"]{color:#fff;box-shadow:none;background:var(--green-d)}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:var(--radius-s);padding:8px;color:var(--ink);cursor:pointer}
@media (max-width:860px){
  .menu-btn{display:inline-flex}
  .nav{position:absolute;top:100%;left:0;right:0;background:var(--white);flex-direction:column;align-items:stretch;padding:12px 20px 20px;border-bottom:1px solid var(--line);display:none;margin:0}
  .nav.open{display:flex}
  .nav a{padding:14px 8px;border-bottom:1px solid var(--paper)}
  .nav .btn{margin:12px 0 0}
}

/* ---------- Hero ---------- */
.hero{background:var(--white);border-bottom:1px solid var(--line);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding-top:72px;padding-bottom:80px}
.hero h1{max-width:13ch}
.hero .lede{margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-facts{display:flex;flex-wrap:wrap;gap:22px;margin-top:36px;padding:0;list-style:none;color:var(--ink-2);font-size:15px}
.hero-facts li{display:flex;align-items:center;gap:8px}
.hero-facts .ic{color:var(--green)}
@media (max-width:920px){.hero .wrap{grid-template-columns:1fr;gap:40px;padding-top:44px;padding-bottom:56px}}

/* The security-label card: this is the signature element */
.seal{position:relative;background:var(--paper);border:1px solid var(--line-2);border-radius:14px;padding:28px 26px 26px;}
.seal::before{content:"";position:absolute;left:-1px;right:-1px;top:-1px;height:10px;border-radius:14px 14px 0 0;
  background:repeating-linear-gradient(90deg,var(--amber) 0 14px,#F1C26F 14px 22px,#C98A26 22px 30px)}
.seal-head{display:flex;align-items:center;gap:12px;margin:6px 0 18px}
.seal-mark{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:var(--ink);color:var(--amber)}
.seal-head h2{font-size:21px;margin:0;font-variation-settings:"wdth" 104}
.seal-head p{margin:0;color:var(--ink-2);font-size:14px}
.code-field{position:relative}
.code-input{width:100%;font-family:var(--mono);font-size:clamp(22px,3vw,30px);font-weight:600;letter-spacing:.42em;text-transform:uppercase;text-align:center;padding:16px 8px 16px calc(8px + .42em);border:1.5px dashed var(--line-2);border-radius:var(--radius-s);background:
  linear-gradient(135deg,#ECEFEF 25%,transparent 25%) 0 0/8px 8px, var(--white);color:var(--ink)}
.code-input::placeholder{color:#AEB9B5;letter-spacing:.42em}
.code-input:focus{outline:none;border-style:solid;border-color:var(--green);background:var(--white)}
.code-hint{font-size:13.5px;color:var(--ink-3);margin:10px 0 16px}
.seal .btn{width:100%}

/* ---------- Sections ---------- */
.section{padding:88px 0}
.section-tight{padding:56px 0}
.section-white{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head p{margin:0;color:var(--ink-2);max-width:56ch}
.section-head h2{margin-bottom:8px}

/* ---------- Product cards ---------- */
.grid-products{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
@media (max-width:1060px){.grid-products{grid-template-columns:repeat(3,1fr)}}
@media (max-width:760px){.grid-products{grid-template-columns:repeat(2,1fr);gap:14px}}
@media (max-width:420px){.grid-products{grid-template-columns:1fr}}
.pcard{display:flex;flex-direction:column;text-decoration:none;color:var(--ink);background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .15s}
.pcard:hover{border-color:var(--ink);color:var(--ink)}
.pcard-img{position:relative;aspect-ratio:1/1;background:var(--surface);display:grid;place-items:center;padding:18px}
.pcard-img img{max-height:100%;width:auto;object-fit:contain}
.badge{position:absolute;top:12px;left:12px;font-size:12.5px;font-weight:700;padding:5px 9px;border-radius:999px;background:var(--ink);color:#fff}
.badge-new{background:var(--green)}
.badge-bestseller{background:var(--amber);color:#3A2405}
.pcard-body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:4px;flex:1}
.pcard-cat{font-size:13px;color:var(--ink-3)}
.pcard h3{font-size:18px;margin:0;font-variation-settings:"wdth" 104}
.pcard p{font-size:15px;color:var(--ink-2);margin:0}
.pcard-meta{margin-top:auto;padding-top:12px;display:flex;justify-content:space-between;align-items:center;font-size:14px;color:var(--ink-2)}
.pcard-meta strong{color:var(--ink);font-size:16px}

/* ---------- Features ---------- */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:40px 48px;margin:0;padding:0;list-style:none}
@media (max-width:860px){.features{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.features{grid-template-columns:1fr}}
.features li{display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start}
.features .ficon{width:44px;height:44px;border-radius:var(--radius-s);display:grid;place-items:center;background:var(--green-t);color:var(--green-d)}
.features h3{font-size:18px;margin:2px 0 6px}
.features p{color:var(--ink-2);margin:0;font-size:16px}

/* ---------- Process (a real sequence, so it's numbered) ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:step;margin:0;padding:0;list-style:none;border-top:2px solid var(--ink)}
.steps li{counter-increment:step;padding:24px 24px 8px 0;position:relative}
.steps li::before{content:counter(step);display:block;font-weight:800;font-size:44px;line-height:1;color:var(--green);font-variation-settings:"wdth" 120;margin-bottom:14px}
.steps h3{font-size:19px}
.steps p{color:var(--ink-2);font-size:16px;margin:0}
@media (max-width:860px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}

/* ---------- Verify band ---------- */
.band{background:var(--ink);color:#E6EDF2}
.band .wrap{display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;padding-top:56px;padding-bottom:56px}
.band h2{color:#fff;margin-bottom:8px}
.band p{margin:0;color:#B9C6D2;max-width:60ch}
.band .btn-primary{background:var(--amber);color:#2E1C03}
.band .btn-primary:hover{background:#F0B354;color:#2E1C03}
@media (max-width:720px){.band .wrap{grid-template-columns:1fr}}

/* ---------- Testimonials ---------- */
.quotes{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px}
.quote{margin:0;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.quote blockquote{margin:0 0 16px;font-size:18px;line-height:1.55}
.quote figcaption{font-size:14.5px;color:var(--ink-2)}
.stars{display:flex;gap:2px;color:var(--amber);margin-bottom:12px}
.stars .ic{fill:currentColor}

/* ---------- FAQ ---------- */
.faq{max-width:820px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;padding:20px 0;font-weight:650;font-size:18px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .ic{transition:transform .2s;color:var(--ink-3);margin-top:3px}
.faq details[open] summary .ic{transform:rotate(90deg)}
.faq .ans{padding:0 0 20px;color:var(--ink-2);max-width:68ch}

/* ---------- Page header (inner pages) ---------- */
.page-head{background:var(--white);border-bottom:1px solid var(--line);padding:48px 0 40px}
.page-head h1{font-size:clamp(32px,4.4vw,48px);margin-bottom:10px}
.page-head p{margin:0}
.crumbs{font-size:14px;color:var(--ink-3);margin-bottom:14px;display:flex;gap:6px;flex-wrap:wrap}
.crumbs a{color:var(--ink-2)}

/* ---------- Filters ---------- */
.filters{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-bottom:32px}
.chip{display:inline-block;padding:9px 14px;border:1px solid var(--line-2);border-radius:999px;text-decoration:none;color:var(--ink);font-size:15px;font-weight:550;background:var(--white)}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.chip[aria-current="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.search{margin-left:auto;display:flex;align-items:center;gap:8px;background:var(--white);border:1px solid var(--line-2);border-radius:999px;padding:0 6px 0 14px}
.search input{border:0;background:transparent;font:inherit;font-size:15px;padding:9px 0;width:200px}
.search input:focus{outline:none}
.search button{border:0;background:none;color:var(--ink-2);padding:6px;cursor:pointer;display:grid}
@media (max-width:640px){.search{margin-left:0;width:100%}.search input{width:100%}}
.empty{background:var(--white);border:1px dashed var(--line-2);border-radius:var(--radius);padding:48px 24px;text-align:center}

/* ---------- Product detail ---------- */
.pd{display:grid;grid-template-columns:1fr 1fr;gap:56px;padding:44px 0 72px}
@media (max-width:900px){.pd{grid-template-columns:1fr;gap:28px}}
.gallery{position:sticky;top:96px;align-self:start}
@media (max-width:900px){.gallery{position:static}}
.gallery-main{background:var(--white);border:1px solid var(--line);border-radius:14px;aspect-ratio:1/1;display:grid;place-items:center;padding:28px}
.gallery-main img{max-height:100%;width:auto;object-fit:contain}
.thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.thumbs button{width:76px;height:76px;padding:6px;border:1.5px solid var(--line);border-radius:var(--radius-s);background:var(--white);cursor:pointer}
.thumbs button[aria-pressed="true"]{border-color:var(--ink)}
.thumbs img{width:100%;height:100%;object-fit:contain}
.pd-cat{font-size:15px;color:var(--ink-2);text-decoration:none}
.pd h1{font-size:clamp(30px,3.8vw,44px);margin:6px 0 8px;font-variation-settings:"wdth" 108}
.pd-tagline{font-size:19px;color:var(--ink-2);margin-bottom:20px}
.pd-price{display:flex;align-items:baseline;gap:12px;margin:0 0 20px}
.pd-price strong{font-size:28px}
.pd-price s{color:var(--ink-3)}
.stock{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--green-d)}
.stock.out{color:var(--red)}
.facts{width:100%;border-collapse:collapse;margin:22px 0 24px;font-size:16px}
.facts caption{text-align:left;font-weight:700;padding:0 0 10px;font-size:17px}
.facts th,.facts td{text-align:left;padding:11px 0;border-top:1px solid var(--line);vertical-align:top}
.facts th{font-weight:500;color:var(--ink-2);width:52%;padding-right:16px}
.facts td{font-weight:650}
.facts tr:last-child th,.facts tr:last-child td{border-bottom:1px solid var(--line)}
.pd-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}
.verify-note{display:flex;gap:14px;background:var(--amber-t);border:1px solid #F0D7A8;border-radius:var(--radius);padding:16px 18px;font-size:15.5px}
.verify-note .ic{color:var(--amber-d);margin-top:2px}
.verify-note p{margin:0}
.pd-sections{border-top:1px solid var(--line);padding-top:8px}
.pd-block{padding:28px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:220px 1fr;gap:28px}
.pd-block h2{font-size:20px;margin:0;font-variation-settings:"wdth" 100}
.pd-block .body{color:var(--ink-2);max-width:68ch}
.pd-block ul{margin:0;padding-left:20px}
.pd-block li{margin-bottom:8px}
@media (max-width:720px){.pd-block{grid-template-columns:1fr;gap:10px}}
.disclaimer{font-size:14.5px;color:var(--ink-2);background:var(--white);border-left:3px solid var(--ink-3);padding:14px 18px;margin-top:28px}

/* ---------- Forms ---------- */
.form-grid{display:grid;gap:18px}
.field label{display:block;font-weight:600;font-size:15px;margin-bottom:7px}
.field .opt{font-weight:400;color:var(--ink-3)}
.input,.field input,.field textarea,.field select{width:100%;font:inherit;font-size:16px;padding:13px 14px;border:1.5px solid var(--line-2);border-radius:var(--radius-s);background:var(--white);color:var(--ink)}
.field textarea{min-height:140px;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px var(--green-t)}
.field .help{font-size:13.5px;color:var(--ink-3);margin-top:6px}
.field.has-error input,.field.has-error textarea{border-color:var(--red)}
.field .err{font-size:14px;color:var(--red);margin-top:6px;font-weight:550}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:560px){.row-2{grid-template-columns:1fr}}
.alert{padding:14px 16px;border-radius:var(--radius-s);font-size:15.5px;margin-bottom:18px}
.alert-ok{background:var(--green-t);color:var(--green-d)}
.alert-err{background:var(--red-t);color:#8F2A17}
.hp{position:absolute;left:-5000px}

/* ---------- Authentication page ---------- */
.auth{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;padding:48px 0 80px;align-items:start}
@media (max-width:900px){.auth{grid-template-columns:1fr}}
.panel{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:30px}
.panel h2{font-size:22px;font-variation-settings:"wdth" 100}
.auth-code .code-input{font-size:clamp(20px,3vw,26px)}
.label-art{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:26px}
.label-art svg{width:100%;height:auto;margin-bottom:18px}
.label-art ol{margin:0;padding-left:20px;color:var(--ink-2)}
.label-art li{margin-bottom:10px}

.result{scroll-margin-top:110px;border-radius:14px;padding:30px;margin-bottom:24px;border:1.5px solid}
.result-head{display:flex;gap:16px;align-items:center;margin-bottom:12px}
.result-icon{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;flex:none}
.result h2{margin:0;font-size:26px;font-variation-settings:"wdth" 106}
.result p{margin:0 0 10px}
.result dl{display:grid;grid-template-columns:auto 1fr;gap:6px 18px;margin:16px 0 0;font-size:15.5px}
.result dt{color:var(--ink-2)}
.result dd{margin:0;font-weight:650}
.result .code-tag{font-family:var(--mono);letter-spacing:.12em}
.result-genuine{background:var(--green-t);border-color:#A9D8C4}
.result-genuine .result-icon{background:var(--green);color:#fff}
.result-used{background:var(--amber-t);border-color:#EBCB8E}
.result-used .result-icon{background:var(--amber);color:#2E1C03}
.result-invalid,.result-blocked{background:var(--red-t);border-color:#EDB9AC}
.result-invalid .result-icon,.result-blocked .result-icon{background:var(--red);color:#fff}
.result-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.result-genuine .result-icon{animation:pop .45s cubic-bezier(.2,.9,.3,1.4)}
@keyframes pop{0%{transform:scale(.4);opacity:0}100%{transform:scale(1);opacity:1}}

/* ---------- Contact ---------- */
.contact{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;padding:48px 0 80px}
@media (max-width:860px){.contact{grid-template-columns:1fr}}
.contact-list{list-style:none;margin:0;padding:0}
.contact-list li{display:grid;grid-template-columns:40px 1fr;gap:12px;padding:18px 0;border-bottom:1px solid var(--line)}
.contact-list .ic{color:var(--green-d);margin-top:3px}
.contact-list strong{display:block;font-size:15px;color:var(--ink-2);font-weight:500}

/* ---------- CMS page ---------- */
.prose{max-width:72ch;padding:44px 0 80px;color:#2C3B50}
.prose p{margin-bottom:1.1em}

/* ---------- Footer ---------- */
.site-foot{background:#14202F;color:#B9C6D2;font-size:15.5px;padding:64px 0 28px}
.site-foot a{color:#DCE4EA;text-decoration:none}
.site-foot a:hover{color:#fff;text-decoration:underline}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px}
@media (max-width:900px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot-grid{grid-template-columns:1fr}}
.site-foot h3{color:#fff;font-size:16px;margin-bottom:14px}
.site-foot ul{list-style:none;margin:0;padding:0}
.site-foot li{margin-bottom:9px}
.foot-brand{font-weight:800;color:#fff;font-size:22px;font-variation-settings:"wdth" 115;margin-bottom:10px}
.socials{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.socials a{border:1px solid #33465C;border-radius:999px;padding:6px 12px;font-size:14px}
.news{display:flex;gap:8px;margin-top:10px}
.news input{flex:1;min-width:0;font:inherit;font-size:15px;padding:11px 12px;border-radius:var(--radius-s);border:1px solid #33465C;background:#1C2B3E;color:#fff}
.news input::placeholder{color:#8495A8}
.news button{background:var(--amber);color:#2E1C03;border:0;border-radius:var(--radius-s);padding:0 16px;font:inherit;font-weight:700;font-size:15px;cursor:pointer}
.news-msg{font-size:14px;margin-top:8px;min-height:1.2em}
.foot-bottom{margin-top:48px;padding-top:22px;border-top:1px solid #2A3A4E;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px;color:#8495A8}

/* WhatsApp float */
.wa-float{position:fixed;right:18px;bottom:18px;width:54px;height:54px;border-radius:50%;background:#1F9D55;color:#fff;display:grid;place-items:center;z-index:40}
.wa-float:hover{background:#178246;color:#fff}