/* Pur3ity.com — clean medical/lab design system */
:root{
  --navy:#0a0a0a;
  --blue:#111111;
  --blue-600:#000000;
  --teal:#444444;
  --teal-50:#f2f2f2;
  --green:#111111;
  --green-50:#f2f2f2;
  --amber:#555555;
  --amber-50:#f4f4f4;
  --red:#111111;
  --red-50:#f2f2f2;
  --ink:#0f0f0f;
  --muted:#6b6b6b;
  --line:#e4e4e4;
  --bg:#ffffff;
  --card:#ffffff;
  --radius:14px;
  --shadow:0 1px 3px rgba(0,0,0,.05),0 8px 24px rgba(0,0,0,.05);
  --maxw:1080px;
  --font:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --font-head:"Schibsted Grotesk","Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
h1,h2,h3{font-family:var(--font-head);line-height:1.15;color:var(--navy);margin:0 0 .5em;letter-spacing:-.02em}
h1{font-size:2.4rem;letter-spacing:-.025em}
h2{font-size:1.6rem;letter-spacing:-.01em}
h3{font-size:1.15rem}
p{margin:0 0 1em}
.small{font-size:.85rem;color:var(--muted)}

/* Holographic seal motif */
.holo{
  background:linear-gradient(115deg,#ededed,#d2d2d2,#bfbfbf,#d8d8d8,#ededed,#ededed);
  background-size:300% 300%;
  animation:holoshift 6s ease infinite;
}
@keyframes holoshift{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}

/* Header / nav */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.25rem;color:var(--navy)}
.brand:hover{text-decoration:none}
.seal-mark{width:30px;height:30px;border-radius:50%;display:inline-grid;place-items:center;color:#0a0a0a;font-size:14px;font-weight:900;border:2px solid rgba(255,255,255,.7);box-shadow:0 0 0 1px var(--line)}
.brand b{color:var(--teal)}
.nav-links{display:flex;gap:22px;align-items:center}
.nav-links a{color:var(--ink);font-weight:600;font-size:.95rem}
.nav-links a.cta{background:var(--blue);color:#fff;padding:9px 16px;border-radius:9px}
.nav-links a.cta:hover{background:var(--blue-600);text-decoration:none}
.menu-toggle{display:none}

/* Hero */
.hero{background:linear-gradient(180deg,#fff, #f1f7fb);border-bottom:1px solid var(--line);padding:64px 0 56px}
.hero .eyebrow{display:inline-block;background:var(--teal-50);color:var(--teal);font-weight:700;font-size:.8rem;letter-spacing:.04em;text-transform:uppercase;padding:5px 12px;border-radius:99px;margin-bottom:18px}
.hero p.lead{font-size:1.18rem;color:var(--muted);max-width:620px}
.btn{display:inline-block;background:var(--blue);color:#fff;font-weight:700;padding:13px 24px;border-radius:10px;border:0;cursor:pointer;font-size:1rem}
.btn:hover{background:var(--blue-600);text-decoration:none}
.btn.ghost{background:#fff;color:var(--navy);border:1.5px solid var(--line)}
.btn.ghost:hover{border-color:var(--blue)}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}

/* Sections */
section{padding:54px 0}
.section-tight{padding:34px 0}
.center{text-align:center}
.grid{display:grid;gap:20px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.card .ico{width:42px;height:42px;border-radius:10px;background:var(--teal-50);color:var(--teal);display:grid;place-items:center;font-size:20px;margin-bottom:14px}
.step-num{width:34px;height:34px;border-radius:50%;background:var(--blue);color:#fff;font-weight:800;display:grid;place-items:center;margin-bottom:12px}

/* Verify box */
.verifybox{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px;max-width:640px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label{font-weight:700;font-size:.9rem;color:var(--navy)}
.field input{padding:13px 14px;border:1.5px solid var(--line);border-radius:10px;font-size:1rem;font-family:inherit}
.field input:focus{outline:none;border-color:var(--blue)}

/* Result */
.result{margin-top:28px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;display:none}
.result.show{display:block}
.result-head{padding:22px 24px;display:flex;align-items:center;gap:16px;color:#fff}
.result-head.ok{background:linear-gradient(120deg,#1a1a1a,#000000)}
.result-head.warn{background:linear-gradient(120deg,#6f6f6f,#555555)}
.result-head.bad{background:linear-gradient(120deg,#2a2a2a,#111111)}
.status-badge{font-size:1.4rem;font-weight:800;margin:0}
.result-head .check{width:48px;height:48px;border-radius:50%;background:rgba(255,255,255,.18);display:grid;place-items:center;font-size:26px;flex-shrink:0}
.result-body{padding:24px}
.kv{display:grid;grid-template-columns:1fr 1fr;gap:14px 24px;margin:0 0 6px}
.kv .item{border-bottom:1px solid var(--line);padding-bottom:10px}
.kv .k{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:700}
.kv .v{font-size:1.02rem;font-weight:600;color:var(--ink)}

table.results-table{width:100%;border-collapse:collapse;margin:8px 0 4px;font-size:.95rem}
table.results-table th,table.results-table td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--line)}
table.results-table th{background:#f5f5f5;font-size:.78rem;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}
.pill{display:inline-block;font-weight:700;font-size:.78rem;padding:3px 10px;border-radius:99px}
.pill.pass{background:var(--green-50);color:var(--green)}
.pill.fail{background:var(--red-50);color:var(--red)}
.pill.info{background:var(--teal-50);color:var(--teal)}

.seal-id{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#f5f5f5;border:1px dashed var(--line);border-radius:8px;padding:4px 9px;font-size:.92rem}

/* Notice / disclaimer */
.notice{background:var(--amber-50);border:1px solid #e0e0e0;border-radius:12px;padding:16px 18px;font-size:.92rem;color:#333333}
.notice.blue{background:#f5f5f5;border-color:#e0e0e0;color:#333333}

/* FAQ */
details.faq{background:#fff;border:1px solid var(--line);border-radius:12px;padding:4px 18px;margin-bottom:12px}
details.faq summary{cursor:pointer;font-weight:700;color:var(--navy);padding:14px 0;list-style:none}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";float:right;color:var(--blue);font-weight:800}
details.faq[open] summary::after{content:"–"}
details.faq p{padding-bottom:8px}

/* big holo panel */
.holo-panel{border-radius:18px;padding:40px;color:#0a0a0a;text-align:center}
.holo-panel h2{color:#0a0a0a}
.holo-disc{width:120px;height:120px;border-radius:50%;margin:0 auto 18px;display:grid;place-items:center;font-weight:900;font-size:30px;color:#0a0a0a;border:4px solid rgba(255,255,255,.6);box-shadow:0 10px 30px rgba(13,33,46,.18)}

/* footer */
footer.site{background:var(--navy);color:#cccccc;padding:42px 0 28px;margin-top:30px}
footer.site a{color:#fff}
.foot-grid{display:flex;justify-content:space-between;flex-wrap:wrap;gap:26px;margin-bottom:24px}
.foot-grid h4{color:#fff;font-size:.95rem;margin:0 0 10px}
.foot-grid ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:7px;font-size:.9rem}
.foot-legal{border-top:1px solid rgba(255,255,255,.15);padding-top:18px;font-size:.82rem;color:#999999}

.page-head{background:linear-gradient(180deg,#fff,#f1f7fb);border-bottom:1px solid var(--line);padding:46px 0}

/* brand logo in nav/footer */
.brand img{display:block}

/* Seal showcase (homepage) */
.seal-showcase{display:grid;grid-template-columns:300px 1fr;gap:46px;align-items:center;background:linear-gradient(135deg,#0a0a0a,#222222);border-radius:20px;padding:42px 44px;color:#fff;overflow:hidden;position:relative}
.seal-showcase::after{content:"";position:absolute;inset:0;background:radial-gradient(420px 260px at 18% 30%,rgba(255,255,255,.05),transparent 60%);pointer-events:none}
.seal-showcase-art{display:grid;place-items:center;position:relative;z-index:1}
.seal-showcase-art img{width:260px;max-width:100%;height:auto;filter:drop-shadow(0 14px 30px rgba(0,0,0,.28))}
.seal-showcase-copy{position:relative;z-index:1}
.seal-showcase-copy h2{color:#fff}
.seal-showcase-copy p{color:#cccccc}
.seal-showcase-feats{list-style:none;margin:18px 0 22px;padding:0;display:flex;flex-direction:column;gap:12px}
.seal-showcase-feats li{display:flex;gap:11px;align-items:flex-start;font-size:.98rem;color:#e8e8e8}
.seal-showcase-feats svg{flex-shrink:0;margin-top:2px;color:#ffffff}
@media(prefers-reduced-motion:reduce){.seal-showcase-art img{animation:none}}

@media(max-width:820px){
  h1{font-size:1.9rem}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .nav-links{display:none}
  .kv{grid-template-columns:1fr}
  .foot-grid{flex-direction:column}
  .seal-showcase{grid-template-columns:1fr;text-align:center;padding:32px 24px;gap:26px}
  .seal-showcase-art img{width:220px}
  .seal-showcase-feats li{text-align:left}
}

/* monochrome status clarity */
.pill.fail{background:#111111;color:#ffffff}
.pill.pass{background:#f2f2f2;color:#111111}