/* ============================================================
   KUNCH — black & white design system, OpenAI-style
   Font: OpenAI Sans (self-hosted) · Icons: Lucide
   ============================================================ */
@font-face{font-family:'OpenAI Sans';src:url('../fonts/OpenAISans-Light.woff2') format('woff2');font-weight:300;font-style:normal;font-display:swap}
@font-face{font-family:'OpenAI Sans';src:url('../fonts/OpenAISans-Regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'OpenAI Sans';src:url('../fonts/OpenAISans-Medium.woff2') format('woff2');font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:'OpenAI Sans';src:url('../fonts/OpenAISans-Bold.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}

:root{
  --bg:#000;--bg2:#0a0a0a;--bg3:#111;
  --fg:#fff;--m1:rgba(255,255,255,.66);--m2:rgba(255,255,255,.42);
  --line:rgba(255,255,255,.12);--line2:rgba(255,255,255,.3);
  --max:1180px;--navh:64px;
  --sans:'OpenAI Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  --mono:'SF Mono',ui-monospace,'JetBrains Mono','Fira Code',Menlo,Consolas,monospace;
  --ease:cubic-bezier(.16,1,.3,1);
  --tp-green:#00b67a;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;background:none;border:none;color:inherit}
[id]{scroll-margin-top:calc(var(--navh) + 24px)}
::selection{background:#fff;color:#000}
:focus-visible{outline:1px solid #fff;outline-offset:3px}
.skip{position:absolute;left:-9999px;top:0;background:#fff;color:#000;padding:10px 16px;z-index:999;font-size:14px}
.skip:focus{left:12px;top:12px}

.container{max-width:var(--max);margin:0 auto;padding:0 28px}
.mono{font-family:var(--mono)}

/* ---------- Navigation (OpenAI-style: flat, full-width, square) ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:100;height:var(--navh);background:rgba(0,0,0,.86);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:background .3s}
.nav.scrolled{background:rgba(0,0,0,.96)}
.nav-inner{max-width:var(--max);margin:0 auto;padding:0 28px;height:var(--navh);display:flex;align-items:center;gap:34px}
.logo{display:flex;align-items:center;gap:11px;font-weight:700;font-size:18.5px;letter-spacing:-.02em;flex-shrink:0}
.logo-mark{width:24px;height:24px;background:#fff;color:#000;display:grid;place-items:center;font-size:14px;font-weight:700;line-height:1;padding-bottom:1px}
.nav-links{display:flex;gap:28px}
.nav-link{font-size:14px;color:var(--m1);padding:3px 0;border-bottom:1px solid transparent;transition:color .2s,border-color .2s;white-space:nowrap}
.nav-link:hover{color:#fff}
.nav-link.active{color:#fff;border-bottom-color:#fff}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:22px}
.nav-note{font-size:14px;color:var(--m1);transition:color .2s;white-space:nowrap}
.nav-note:hover{color:#fff}
.burger{display:none;width:40px;height:40px;align-items:center;justify-content:center;margin-left:auto}
.burger svg{width:22px;height:22px}
.m-menu{display:none;position:fixed;inset:var(--navh) 0 0 0;background:#000;z-index:99;padding:24px 28px 40px;flex-direction:column}
.m-menu.open{display:flex}
.m-menu a{font-size:26px;font-weight:500;letter-spacing:-.02em;padding:16px 0;border-bottom:1px solid var(--line)}
.m-menu .m-sub{font-size:15px;color:var(--m1);border:none;padding:18px 0 0;font-weight:400}

/* ---------- Buttons (sharp, flat) ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;background:#fff;color:#000;font-size:14.5px;font-weight:500;padding:13px 22px;border-radius:2px;transition:background .2s,transform .2s;white-space:nowrap;line-height:1}
.btn:hover{background:#d9d9d9}
.btn:active{transform:scale(.98)}
.btn svg{width:15px;height:15px}
.btn-lg{padding:16px 28px;font-size:15.5px}
.btn-outline{background:transparent;color:#fff;border:1px solid var(--line2)}
.btn-outline:hover{background:rgba(255,255,255,.08);border-color:#fff}
.btn-dark{background:#161616;color:#fff;border:1px solid var(--line)}
.btn-dark:hover{background:#222;border-color:var(--line2)}

/* ---------- Typography ---------- */
.eyebrow{font-size:12px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--m2)}
.display{font-size:clamp(46px,7.3vw,96px);line-height:1.01;letter-spacing:-.035em;font-weight:700}
.h2{font-size:clamp(31px,4.3vw,54px);line-height:1.06;letter-spacing:-.03em;font-weight:700}
.h3{font-size:clamp(22px,2.4vw,28px);line-height:1.2;letter-spacing:-.02em;font-weight:700}
.lead{font-size:clamp(16.5px,1.55vw,19.5px);line-height:1.65;color:var(--m1)}
.muted{color:var(--m1)}
.small{font-size:13.5px;color:var(--m2)}

/* ---------- Sections ---------- */
.section{padding:104px 0;border-top:1px solid var(--line)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:44px;margin-bottom:58px}
.sec-head .eyebrow{display:block;margin-bottom:18px}
.sec-head p{max-width:460px}
.sec-link{flex-shrink:0;display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:500;border-bottom:1px solid var(--line2);padding-bottom:4px;transition:border-color .2s}
.sec-link:hover{border-color:#fff}
.sec-link svg{width:15px;height:15px;transition:transform .25s}
.sec-link:hover svg{transform:translateX(3px)}

/* ---------- Hero ---------- */
.hero{position:relative;padding:calc(var(--navh) + 92px) 0 84px;overflow:hidden}
.hero-bg{position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:76px 76px;opacity:.5;-webkit-mask-image:radial-gradient(ellipse 90% 70% at 30% 20%,#000 0%,transparent 70%);mask-image:radial-gradient(ellipse 90% 70% at 30% 20%,#000 0%,transparent 70%)}
.hero-kicker{display:inline-flex;align-items:center;gap:10px;font-size:13.5px;color:var(--m1);border:1px solid var(--line);padding:8px 14px;margin-bottom:38px}
.hero-kicker .dot{width:6px;height:6px;background:#fff;border-radius:50%}
.hero .display{max-width:1050px}
.hero-sub{max-width:640px;margin:36px 0 42px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-meta{display:flex;gap:26px;flex-wrap:wrap;margin-top:56px;padding-top:26px;border-top:1px solid var(--line);font-size:13.5px;color:var(--m2)}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta svg{width:14px;height:14px}

/* masked line reveal */
.mask{display:block;overflow:hidden}
.mask>span{display:block;transform:translateY(112%);transition:transform 1s var(--ease)}
.loaded .mask>span{transform:translateY(0)}
.mask.d1>span{transition-delay:.08s}.mask.d2>span{transition-delay:.18s}.mask.d3>span{transition-delay:.28s}
.fade-in{opacity:0;transform:translateY(18px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.loaded .fade-in{opacity:1;transform:none}
.fade-in.fd1{transition-delay:.45s}.fade-in.fd2{transition-delay:.6s}.fade-in.fd3{transition-delay:.78s}

/* scroll reveal */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .85s var(--ease),transform .85s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}.reveal[data-d="4"]{transition-delay:.32s}
.reveal[data-d="5"]{transition-delay:.4s}.reveal[data-d="6"]{transition-delay:.48s}

/* ---------- Pinned scroll section ---------- */
.pin-wrap{height:270vh;position:relative}
.pin-sticky{position:sticky;top:var(--navh);height:calc(100vh - var(--navh));display:flex;align-items:center;overflow:hidden}
.pin-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;width:100%;align-items:center}
.pin-num{font-size:clamp(120px,17vw,230px);font-weight:700;letter-spacing:-.05em;line-height:.85;color:transparent;-webkit-text-stroke:1.5px rgba(255,255,255,.32);font-variant-numeric:tabular-nums}
.pin-steps{position:relative;min-height:280px}
.pin-step{position:absolute;inset:0;opacity:0;transform:translateY(36px);transition:opacity .6s var(--ease),transform .6s var(--ease);pointer-events:none}
.pin-step.on{opacity:1;transform:none;pointer-events:auto}
.pin-step h3{font-size:clamp(28px,3.4vw,44px);letter-spacing:-.025em;font-weight:700;margin:16px 0 18px;line-height:1.12}
.pin-step p{max-width:520px;color:var(--m1);font-size:17.5px;line-height:1.7}
.pin-bar{position:absolute;left:0;right:0;bottom:44px;height:1px;background:var(--line)}
.pin-bar i{position:absolute;left:0;top:0;bottom:0;width:0;background:#fff;transition:width .2s linear}
.pin-tag{position:absolute;top:44px;left:0}

/* ---------- Cards ---------- */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,0));transition:border-color .3s;display:flex;flex-direction:column}
.card:hover{border-color:var(--line2)}
.card-media{position:relative;overflow:hidden;border-bottom:1px solid var(--line);aspect-ratio:16/10;background:#0d0d0d}
.card-media img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.06);transition:filter .55s,transform .55s var(--ease)}
.card:hover .card-media img{filter:grayscale(0) contrast(1);transform:scale(1.035)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:19.5px;font-weight:700;letter-spacing:-.015em}
.card-body p{font-size:14.5px;color:var(--m1);line-height:1.62}
.card-more{margin-top:auto;padding-top:14px;display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:500}
.card-more svg{width:15px;height:15px;transition:transform .25s}
.card:hover .card-more svg{transform:translateX(3px)}

.tag{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--line2);color:var(--m1);padding:5px 9px;width:fit-content}
.tag.on{background:#fff;color:#000;border-color:#fff}

/* stat strip */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line)}
.stat{padding:30px 28px;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat b{display:block;font-size:clamp(30px,3.4vw,46px);font-weight:700;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:10px;font-size:13.5px;color:var(--m2)}

/* tables */
.tbl{width:100%;border-collapse:collapse;font-size:14.5px}
.tbl th{text-align:left;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--m2);font-weight:500;padding:14px 16px;border-bottom:1px solid var(--line2)}
.tbl td{padding:15px 16px;border-bottom:1px solid var(--line);color:var(--m1);vertical-align:top}
.tbl td:first-child{color:#fff;font-weight:500}
.tbl tr:hover td{background:rgba(255,255,255,.025)}

/* code blocks */
.code{position:relative;background:#0a0a0a;border:1px solid var(--line);padding:22px 24px;overflow-x:auto}
.code pre{font-family:var(--mono);font-size:13.2px;line-height:1.72;color:#e8e8e8;white-space:pre}
.code .c-key{color:#9c9c9c}.code .c-str{color:#fff}.code .c-com{color:#6b6b6b}.code .c-num{color:#d0d0d0}
.copy-btn{position:absolute;top:10px;right:10px;font-size:12px;color:var(--m1);border:1px solid var(--line);padding:6px 10px;background:#000;transition:color .2s,border-color .2s;z-index:2}
.copy-btn:hover{color:#fff;border-color:var(--line2)}
.code-label{font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--m2);margin-bottom:10px;display:block}

/* FAQ */
.faq{border-bottom:1px solid var(--line)}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 4px;cursor:pointer;font-size:18px;font-weight:500;letter-spacing:-.01em;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary svg{width:18px;height:18px;flex-shrink:0;color:var(--m2);transition:transform .3s var(--ease)}
.faq[open] summary svg{transform:rotate(45deg);color:#fff}
.faq .faq-a{padding:0 4px 26px;max-width:780px;color:var(--m1);font-size:15.5px;line-height:1.7}
.faq .faq-a a{color:#fff;text-decoration:underline;text-decoration-color:rgba(255,255,255,.35);text-underline-offset:3px}

/* ---------- Footer ---------- */
.footer{border-top:1px solid var(--line);padding:78px 0 38px;background:#000}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:52px}
.f-brand p{margin:18px 0 24px;font-size:14.5px;color:var(--m1);max-width:330px;line-height:1.65}
.f-h{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--m2);font-weight:500;margin-bottom:16px}
.f-col a,.f-col span{display:block;font-size:14.5px;color:var(--m1);padding:6px 0;transition:color .2s}
.f-col a:hover{color:#fff}
.f-bottom{margin-top:66px;padding-top:28px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--m2)}
.f-bottom .f-since{display:inline-flex;align-items:center;gap:8px}

/* Trustpilot widget */
.tp{display:flex;flex-direction:column;gap:9px}
.tp-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.tp-stars{display:flex;gap:3px}
.tp-star{width:21px;height:21px;background:var(--tp-green);display:grid;place-items:center}
.tp-star svg{width:13px;height:13px;fill:#fff}
.tp-score{font-size:14px;color:#fff}
.tp-score b{font-weight:700}
.tp-word{font-size:14px;font-weight:700}
.tp-link{font-size:13.5px;color:var(--m1);display:inline-flex;align-items:center;gap:6px;width:fit-content;border-bottom:1px solid transparent}
.tp-link:hover{color:#fff;border-color:rgba(255,255,255,.4)}
.tp-link svg{width:12px;height:12px}

/* ---------- Page hero (subpages) ---------- */
.page-hero{padding:calc(var(--navh) + 84px) 0 64px}
.page-hero .eyebrow{display:block;margin-bottom:20px}
.page-hero .h2{max-width:840px}
.page-hero .lead{max-width:660px;margin-top:24px}
.breadcrumb{display:flex;gap:10px;align-items:center;font-size:13px;color:var(--m2);margin-bottom:30px}
.breadcrumb a{color:var(--m2)}
.breadcrumb a:hover{color:#fff}

/* ---------- Wallet cards ---------- */
.w-card{border:1px solid var(--line);display:grid;grid-template-columns:380px 1fr;transition:border-color .3s;background:#050505}
.w-card:hover{border-color:var(--line2)}
.w-media{position:relative;overflow:hidden;border-right:1px solid var(--line);min-height:280px;background:#0d0d0d}
.w-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.05);transition:filter .55s,transform .55s var(--ease)}
.w-card:hover .w-media img{filter:grayscale(0);transform:scale(1.03)}
.w-media .tag{position:absolute;top:14px;left:14px;background:#000;z-index:2}
.w-body{padding:28px 30px;display:flex;flex-direction:column}
.w-body h3{font-size:23px;font-weight:700;letter-spacing:-.02em}
.w-byline{font-size:13px;color:var(--m2);margin-top:4px}
.w-desc{font-size:14.5px;color:var(--m1);line-height:1.65;margin:14px 0 18px;max-width:600px}
.w-specs{display:grid;grid-template-columns:1fr 1fr;gap:9px 26px;margin-bottom:20px}
.w-specs div{display:flex;gap:9px;font-size:13.5px;color:var(--m1);align-items:baseline}
.w-specs b{color:var(--m2);font-weight:500;font-size:11px;letter-spacing:.08em;text-transform:uppercase;min-width:74px;flex-shrink:0}
.w-foot{margin-top:auto;display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding-top:18px;border-top:1px solid var(--line)}
.w-price{font-size:21px;font-weight:700;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.w-price small{display:block;font-size:11px;color:var(--m2);font-weight:400;letter-spacing:.06em;text-transform:uppercase;margin-top:2px}
.w-foot .btn{margin-left:auto}
.w-pros{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:4px}
.w-pros span{font-size:12.5px;color:var(--m1);border:1px solid var(--line);padding:5px 9px}

/* ---------- Blacklist ---------- */
.case{border:1px solid var(--line);display:grid;grid-template-columns:300px 1fr;background:#050505;transition:border-color .3s}
.case:hover{border-color:var(--line2)}
.case-media{position:relative;border-right:1px solid var(--line);overflow:hidden;min-height:230px;background:#0d0d0d}
.case-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.08);transition:filter .55s}
.case:hover .case-media img{filter:grayscale(0)}
.case-body{padding:26px 30px}
.case-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.case-top h3{font-size:20px;font-weight:700;letter-spacing:-.015em;margin-right:auto}
.case-desc{font-size:14.5px;color:var(--m1);line-height:1.66;max-width:640px;margin-bottom:18px}
.case-facts{display:flex;gap:34px;flex-wrap:wrap;padding-top:16px;border-top:1px solid var(--line)}
.case-facts div b{display:block;font-size:16.5px;font-weight:700;letter-spacing:-.01em}
.case-facts div span{font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--m2)}
.case-src{margin-top:16px;display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--m1);border-bottom:1px solid var(--line2);padding-bottom:3px;transition:color .2s}
.case-src:hover{color:#fff}
.case-src svg{width:13px;height:13px}
.chip{font-size:11px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;padding:6px 10px;border:1px solid var(--line2);color:var(--m1)}
.chip.dead{background:#fff;color:#000;border-color:#fff}
.filters{display:flex;gap:10px;flex-wrap:wrap;margin:34px 0 40px}
.fchip{font-size:13.5px;padding:9px 16px;border:1px solid var(--line);color:var(--m1);border-radius:2px;transition:all .2s}
.fchip:hover{border-color:var(--line2);color:#fff}
.fchip.on{background:#fff;color:#000;border-color:#fff}
.hidden{display:none!important}

/* scam families strip */
.fam{border:1px solid var(--line);padding:22px;transition:border-color .3s}
.fam:hover{border-color:var(--line2)}
.fam h4{font-size:15.5px;font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:9px}
.fam h4 svg{width:16px;height:16px;color:var(--m1)}
.fam p{font-size:13.5px;color:var(--m1);line-height:1.6}

/* ---------- API docs ---------- */
.docs{display:grid;grid-template-columns:250px minmax(0,1fr);gap:64px;align-items:start}
.docs-nav{position:sticky;top:calc(var(--navh) + 28px);display:flex;flex-direction:column;gap:2px;max-height:calc(100vh - var(--navh) - 56px);overflow-y:auto;padding-right:8px}
.docs-nav .f-h{margin:22px 0 10px}
.docs-nav .f-h:first-child{margin-top:0}
.docs-nav a{font-size:14px;color:var(--m1);padding:7px 12px;border-left:1px solid var(--line);transition:all .2s}
.docs-nav a:hover{color:#fff}
.docs-nav a.on{color:#fff;border-left-color:#fff;background:rgba(255,255,255,.04)}
.doc-sec{padding:52px 0;border-top:1px solid var(--line)}
.doc-sec:first-child{padding-top:8px;border-top:none}
.doc-sec h3{font-size:26px;font-weight:700;letter-spacing:-.02em;margin-bottom:14px}
.doc-sec h4{font-size:17px;font-weight:700;margin:34px 0 12px}
.doc-sec p{color:var(--m1);font-size:15px;line-height:1.7;max-width:720px;margin-bottom:16px}
.doc-sec p a,.doc-sec li a{color:#fff;text-decoration:underline;text-decoration-color:rgba(255,255,255,.35);text-underline-offset:3px}
.doc-sec ul{margin:0 0 18px 2px;list-style:none}
.doc-sec li{font-size:14.5px;color:var(--m1);line-height:1.7;padding:5px 0 5px 22px;position:relative}
.doc-sec li::before{content:"";position:absolute;left:2px;top:14px;width:9px;height:1px;background:var(--m2)}
.method{display:inline-block;font-family:var(--mono);font-size:12px;font-weight:600;padding:5px 9px;border:1px solid #fff;margin-right:12px;vertical-align:middle}
.method.post{background:#fff;color:#000}
.endpoint-path{font-family:var(--mono);font-size:14px;color:#fff}
.param-tbl td:first-child{font-family:var(--mono);font-size:13px}
.param-tbl td:nth-child(2){font-family:var(--mono);font-size:12.5px;color:var(--m2)}
.tabs{display:inline-flex;border:1px solid var(--line);margin-bottom:-1px;position:relative;z-index:2}
.tab{font-size:13px;padding:9px 18px;color:var(--m1);border-right:1px solid var(--line);transition:all .2s}
.tab:last-child{border-right:none}
.tab.on{background:#fff;color:#000}
.panel{display:none}
.panel.on{display:block}
.callout{border:1px solid var(--line2);border-left:2px solid #fff;padding:18px 22px;margin:0 0 20px;max-width:720px}
.callout p{margin:0;font-size:14px}
.status-pill{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--m1);border:1px solid var(--line);padding:6px 11px}
.status-pill i{width:7px;height:7px;border-radius:50%;background:var(--tp-green)}

/* ---------- Blog prose ---------- */
.article-hero{margin-top:14px;border:1px solid var(--line)}
.article-hero img{width:100%;aspect-ratio:21/9;object-fit:cover;filter:grayscale(1) contrast(1.05)}
.meta-row{display:flex;gap:22px;flex-wrap:wrap;font-size:13.5px;color:var(--m2);margin:26px 0 8px}
.meta-row span{display:inline-flex;align-items:center;gap:7px}
.meta-row svg{width:14px;height:14px}
.prose{max-width:760px}
.prose>p,.prose>ul,.prose>ol{font-size:17px;line-height:1.8;color:rgba(255,255,255,.78);margin-bottom:22px}
.prose h2{font-size:29px;letter-spacing:-.02em;font-weight:700;margin:56px 0 18px;line-height:1.25;scroll-margin-top:calc(var(--navh) + 24px)}
.prose h3{font-size:20px;font-weight:700;margin:36px 0 12px;letter-spacing:-.01em}
.prose a{color:#fff;text-decoration:underline;text-decoration-color:rgba(255,255,255,.4);text-underline-offset:3px;transition:text-decoration-color .2s}
.prose a:hover{text-decoration-color:#fff}
.prose ul,.prose ol{padding-left:2px;list-style:none}
.prose ul li{padding:7px 0 7px 28px;position:relative}
.prose ul li::before{content:"—";position:absolute;left:0;color:var(--m2)}
.prose ol{counter-reset:ol}
.prose ol li{padding:7px 0 7px 34px;position:relative;counter-increment:ol}
.prose ol li::before{content:counter(ol,decimal-leading-zero);position:absolute;left:0;top:10px;font-size:12.5px;color:var(--m2);font-family:var(--mono)}
.prose blockquote{border-left:2px solid #fff;padding:6px 0 6px 24px;margin:32px 0;font-size:19px;line-height:1.6;color:#fff}
.prose .code{margin:26px 0}
.prose .prose-img{margin:32px 0;border:1px solid var(--line)}
.prose .prose-img img{width:100%;filter:grayscale(1) contrast(1.05)}
.prose .prose-img figcaption{font-size:12.5px;color:var(--m2);padding:12px 16px;border-top:1px solid var(--line)}
.toc{border:1px solid var(--line);padding:26px 28px;margin:36px 0;max-width:760px}
.toc .f-h{margin-bottom:12px}
.toc a{display:flex;gap:14px;padding:7px 0;font-size:15px;color:var(--m1);transition:color .2s}
.toc a:hover{color:#fff}
.toc a i{font-style:normal;font-family:var(--mono);font-size:12.5px;color:var(--m2);padding-top:2px}
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:44px}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .docs{grid-template-columns:1fr;gap:36px}
  .docs-nav{position:static;max-height:none;flex-direction:row;flex-wrap:wrap;border:1px solid var(--line);padding:10px}
  .docs-nav .f-h{display:none}
  .docs-nav a{border-left:none;border:1px solid transparent;padding:6px 12px}
  .docs-nav a.on{border-color:var(--line2);background:none}
  .w-card{grid-template-columns:1fr}
  .w-media{border-right:none;border-bottom:1px solid var(--line);min-height:240px}
  .case{grid-template-columns:1fr}
  .case-media{border-right:none;border-bottom:1px solid var(--line);min-height:200px}
  .related{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  .nav-links,.nav-note{display:none}
  .burger{display:flex}
  .nav-right .btn{display:none}
  .g3{grid-template-columns:1fr}
  .g2{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start;gap:20px;margin-bottom:42px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:none}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .pin-wrap{height:auto}
  .pin-sticky{position:static;height:auto;padding:80px 0}
  .pin-grid{grid-template-columns:1fr;gap:40px}
  .pin-num{font-size:96px}
  .pin-steps{min-height:0}
  .pin-step{position:static;opacity:1;transform:none;pointer-events:auto;margin-bottom:44px}
  .pin-bar,.pin-tag{display:none}
  .f-grid{grid-template-columns:1fr 1fr;gap:40px}
  .related{grid-template-columns:1fr}
  .section{padding:76px 0}
  .w-specs{grid-template-columns:1fr}
  .w-foot .btn{margin-left:0;width:100%;justify-content:center}
}
@media (max-width:560px){
  .container{padding:0 20px}
  .f-grid{grid-template-columns:1fr}
  .hero{padding-top:calc(var(--navh) + 64px)}
  .hero-ctas .btn{width:100%;justify-content:center}
  .case-facts{gap:20px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  .reveal,.fade-in{opacity:1;transform:none}
  .mask>span{transform:none}
}

/* ============================================================
   TOOLS PAGE — offline tool suite
   ============================================================ */
.tool-chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:34px}
.tool-chips a{font-size:13.5px;padding:9px 16px;border:1px solid var(--line);color:var(--m1);border-radius:2px;transition:all .2s}
.tool-chips a:hover{border-color:#fff;color:#fff}
.offline-note{border:1px solid var(--line2);border-left:2px solid #fff;padding:20px 24px;margin-top:36px;max-width:760px}
.offline-note .code-label{margin-bottom:8px}
.offline-note p{font-size:14.5px;color:var(--m1);line-height:1.7}
.offline-note b{color:#fff;font-weight:500}

.t-ctl{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0 22px;align-items:center}
.tool-in{width:100%;background:#050505;border:1px solid var(--line);color:#fff;padding:13px 16px;font-size:15px;font-family:var(--sans);border-radius:2px;transition:border-color .2s}
.tool-in:focus{outline:none;border-color:var(--line2)}
.tool-in::placeholder{color:var(--m2)}
textarea.tool-in{font-family:var(--mono);font-size:13.5px;line-height:1.65;min-height:96px;resize:vertical;overflow-wrap:anywhere}
select.tool-in{width:auto;min-width:150px;appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--m1) 50%),linear-gradient(135deg,var(--m1) 50%,transparent 50%);background-position:calc(100% - 19px) 50%,calc(100% - 14px) 50%;background-size:5px 5px;background-repeat:no-repeat;padding-right:36px}
.tool-label{display:block;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--m2);margin:22px 0 10px}
.t-mini{font-size:12px;color:var(--m1);border:1px solid var(--line);padding:7px 11px;background:#000;transition:color .2s,border-color .2s;border-radius:2px;line-height:1}
.t-mini:hover{color:#fff;border-color:var(--line2)}

.t-verdict{border:1px solid var(--line);padding:26px 28px;margin:22px 0;background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,0))}
.t-verdict-t{font-size:19px;font-weight:700;letter-spacing:-.015em}
.t-verdict-s{margin-top:8px;font-size:14.5px;color:var(--m1);line-height:1.6}
.t-verdict-p{margin-top:14px;font-size:14px;color:var(--m1);line-height:1.68;max-width:700px}
.t-good{border-color:rgba(0,182,122,.55)}
.t-good .t-verdict-t{color:var(--tp-green)}
.t-bad{border-color:rgba(255,255,255,.45)}
.t-flagged{border-color:#fff;border-left:3px solid #fff}
.t-reported{border-color:var(--line2);border-left:3px solid var(--line2)}
.t-clean{border-color:var(--line)}
.t-chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.t-note{margin-top:16px;font-size:12.5px;color:var(--m2);line-height:1.65;max-width:700px}
.t-btns{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.t-srcs{display:flex;gap:16px;flex-wrap:wrap;margin-top:18px}
.t-src{font-size:13.5px;color:var(--m1);border-bottom:1px solid var(--line2);padding-bottom:2px;transition:color .2s}
.t-src:hover{color:#fff;border-color:#fff}
.t-meta-b{color:#fff;font-weight:500;margin-right:12px}
#bc-meta{font-size:13px;color:var(--m2);margin-top:14px}

.t-row{display:grid;grid-template-columns:200px minmax(0,1fr) auto;gap:14px;padding:12px 0;border-bottom:1px solid var(--line);align-items:baseline}
.t-row:last-child{border-bottom:none}
.t-row-k{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--m2)}
.t-row-v{font-size:13.5px;overflow-wrap:anywhere;color:rgba(255,255,255,.85)}
.t-panel-body{border:1px solid var(--line);padding:22px 24px;margin:22px 0;background:#050505}
.t-io{border:1px solid var(--line);padding:16px 18px;margin:14px 0}
.t-io-h{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--m2);margin-bottom:6px}

.t-hash{border:1px solid var(--line);padding:16px 18px;margin-bottom:12px;background:#050505}
.t-hash-name{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--m1);font-weight:500}
.t-hash-val{font-size:12.8px;margin:9px 0 10px;overflow-wrap:anywhere;color:#fff}
.t-hash-foot{display:flex;justify-content:space-between;gap:14px;align-items:center;flex-wrap:wrap}
.t-hash-foot span{font-size:12px;color:var(--m2)}

.t-conv{display:flex;justify-content:space-between;gap:20px;padding:12px 2px;border-bottom:1px solid var(--line);font-size:14.5px;align-items:baseline}
.t-conv:last-of-type{border-bottom:none}
.t-conv-u{color:var(--m1);font-family:var(--mono);font-size:13px}
.t-conv-v{color:#fff;font-weight:500}
.t-seg{display:inline-flex;border:1px solid var(--line)}
.t-seg button{font-size:13px;padding:10px 18px;color:var(--m1);border-right:1px solid var(--line);transition:all .2s}
.t-seg button:last-child{border-right:none}
.t-seg button.on{background:#fff;color:#000}

/* ---------- KID Generator (scoped) ---------- */
.kid{border:1px solid var(--line);background:#050505;margin:22px 0}
.kid-head{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:13px 20px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.kid-status{font-size:12.5px;color:var(--m2)}
.kid-tabs{display:flex;border-bottom:1px solid var(--line)}
.kid-tab{flex:1;padding:15px 10px;font-size:14px;color:var(--m1);background:none;transition:background .2s,color .2s;border-right:1px solid var(--line)}
.kid-tab:last-child{border-right:none}
.kid-tab:hover{color:#fff}
.kid-tab.active{background:#fff;color:#000;font-weight:500}
.kid-modelabel{padding:14px 20px 0;font-size:12.5px;color:var(--m2);letter-spacing:.06em;text-transform:uppercase}
.kid-entry{padding:20px}
.kid-entry label{display:block;font-size:13px;font-weight:500;margin-bottom:9px;letter-spacing:.02em}
.kid-keyrow{display:flex;gap:10px;flex-wrap:wrap}
.kid-keyrow input{flex:1;min-width:220px}
.kid-keyrow .btn{align-self:stretch}
.kid .small{font-size:12.5px;color:var(--m2);margin-top:9px;line-height:1.6}
.kid-warning{font-size:13px;color:#fff;background:rgba(255,255,255,.06);border:1px solid var(--line2);padding:10px 14px;margin-top:12px}
.kid-cols{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.kid-col{padding:20px;min-width:0}
.kid-col + .kid-col{border-left:1px solid var(--line)}
.kid-ctitle{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:13px;font-weight:500;margin-bottom:14px}
.kid-badge{font-size:10.5px;letter-spacing:.12em;padding:4px 8px}
.kid-badge.share{color:var(--tp-green);border:1px solid rgba(0,182,122,.5)}
.kid-badge.secret{background:#fff;color:#000;border:1px solid #fff}
.kid-qrarea{min-height:150px;display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}
.kid-qr{width:128px;height:128px;image-rendering:pixelated;background:#fff;padding:6px;border:1px solid var(--line)}
.kid-big{font-size:15px;font-weight:700;letter-spacing:.1em}
.kid-big.share{color:var(--tp-green)}
.kid-big.secret{color:#fff}
.kid-addr{font-family:var(--mono);font-size:12.5px;line-height:1.6;overflow-wrap:anywhere;margin-top:12px;min-height:18px;color:rgba(255,255,255,.85)}
.kid-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.kid-sec{padding:20px;border-top:1px solid var(--line)}
.kid-sec h4{font-size:15px;font-weight:700;margin-bottom:10px;letter-spacing:-.01em}
.kid textarea{width:100%;background:#050505;border:1px solid var(--line);color:#fff;font-family:var(--mono);font-size:12.5px;line-height:1.6;padding:12px 14px;min-height:74px;resize:vertical;border-radius:2px}
.kid textarea:focus{outline:none;border-color:var(--line2)}
.kid .arow{padding:12px 0;border-bottom:1px solid var(--line);overflow-wrap:anywhere}
.kid .arow:last-child{border-bottom:0}
.kid .arow strong{font-size:13px;font-weight:500;display:block}
.kid .arow code{display:block;font-family:var(--mono);font-size:12.5px;line-height:1.6;margin:6px 0;color:rgba(255,255,255,.85)}
.kid .native{font-size:12px;color:var(--m1);border:1px solid var(--line);padding:6px 11px;background:#000;transition:color .2s,border-color .2s;border-radius:2px}
.kid .native:hover{color:#fff;border-color:var(--line2)}
.kid .status{padding:11px 14px;margin-top:14px;background:rgba(255,255,255,.04);font-size:13px;border:1px solid var(--line)}
.kid .status.good{color:var(--tp-green);border-color:rgba(0,182,122,.5)}
.kid .status.bad{color:#fff;background:#fff;color:#000;border-color:#fff;font-weight:500}
.kid-loader{padding:14px 20px 18px;border-top:1px solid var(--line)}
.kid-loadline{display:flex;justify-content:space-between;font-size:11.5px;color:var(--m2)}
.kid-track{height:2px;background:rgba(255,255,255,.1);margin-top:9px}
.kid-bar{height:100%;width:0;background:#fff;transition:width .12s}
@media (max-width:760px){
  .kid-cols{grid-template-columns:1fr}
  .kid-col + .kid-col{border-left:none;border-top:1px solid var(--line)}
  .t-row{grid-template-columns:1fr;gap:6px}
  .docs{grid-template-columns:1fr;gap:36px}
}

/* Tool strip: highlight the page you are on */
.fam.cur{outline:1px solid rgba(255,255,255,.55);outline-offset:-1px}
.fam.cur h4{color:#fff}