@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');
:root{
  --bg:#000; --panel:#080a0d; --panel2:#0c0f13; --ink:#f4f6f8; --ink2:#c3cad2; --mut:#7b838d; --faint:#565d66;
  --line:rgba(255,255,255,.09); --line2:rgba(255,255,255,.16); --accent:#37d3ac; --accent2:#5ba8ff;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:'Inter',system-ui,sans-serif;font-weight:400;letter-spacing:-.011em;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.mono{font-family:'IBM Plex Mono',monospace}
.accent{color:var(--accent)}

/* header */
.thead{position:sticky;top:0;z-index:40;background:rgba(0,0,0,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.thead .in{max-width:1240px;margin:0 auto;height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 24px}
.brand{font-size:13.5px;letter-spacing:.22em;font-weight:500;display:flex;align-items:center;gap:10px}
.brand i{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px rgba(55,211,172,.7)}
.brand b{color:var(--mut);font-weight:500}
.thead .pro{font-size:12.5px;color:var(--ink2);border:1px solid var(--line2);border-radius:7px;padding:8px 14px;transition:.2s}
.thead .pro:hover{border-color:var(--accent);color:#fff}

/* shell grid */
.shell{max-width:1240px;margin:0 auto;padding:26px 24px 60px;display:grid;grid-template-columns:246px minmax(0,1fr);gap:34px;align-items:start}
.side{position:sticky;top:80px;border:1px solid var(--line);border-radius:12px;background:var(--panel);overflow:hidden}
.side .sh{padding:14px 16px;border-bottom:1px solid var(--line);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--mut);font-family:'IBM Plex Mono',monospace}
.side .search{padding:12px 14px;border-bottom:1px solid var(--line)}
.side .search input{width:100%;background:#05070a;border:1px solid var(--line2);border-radius:8px;color:var(--ink);padding:9px 11px;font:inherit;font-size:13px;outline:none}
.side .search input:focus{border-color:var(--accent)}
.catg{padding:10px 0}
.catg .cn{padding:8px 16px 4px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--faint);font-family:'IBM Plex Mono',monospace}
.catg a{display:block;padding:7px 16px;font-size:13.5px;color:var(--ink2);border-left:2px solid transparent;transition:.18s}
.catg a:hover{color:#fff;background:rgba(255,255,255,.02)}
.catg a.on{color:var(--accent);border-left-color:var(--accent);background:rgba(55,211,172,.05)}

/* main */
.crumb{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.06em;color:var(--mut);margin-bottom:14px}
.crumb a:hover{color:var(--accent)}
h1{font-weight:400;font-size:clamp(24px,3vw,34px);line-height:1.14;letter-spacing:-.02em;margin-bottom:6px}
.sublede{color:var(--mut);font-weight:300;font-size:15px;margin-bottom:22px;max-width:70ch}

/* the tool — front and centre, lands first */
.tool{border:1px solid var(--line2);border-radius:14px;background:linear-gradient(180deg,var(--panel2),#05070a);padding:26px;box-shadow:0 0 0 1px rgba(55,211,172,.04),0 24px 60px -30px rgba(0,0,0,.9)}
.tool .row{display:flex;flex-wrap:wrap;gap:16px}
.field{flex:1 1 180px;min-width:150px}
.field label{display:block;font-size:12px;color:var(--mut);letter-spacing:.02em;margin-bottom:7px}
.field input,.field select{width:100%;background:#05070a;border:1px solid var(--line2);border-radius:9px;color:var(--ink);padding:11px 12px;font:inherit;font-size:15px;outline:none;transition:.18s}
.field input:focus,.field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(55,211,172,.12)}
.tbtn{margin-top:4px;background:var(--ink);color:#04060a;border:0;border-radius:9px;padding:12px 22px;font:inherit;font-weight:500;font-size:14px;cursor:pointer;transition:.2s}
.tbtn:hover{background:#fff}
.result{margin-top:22px;border-top:1px solid var(--line);padding-top:20px;display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;min-height:44px}
.result .big{font-weight:300;font-size:clamp(30px,5vw,46px);letter-spacing:-.02em;color:#fff}
.result .big em{font-style:normal;color:var(--accent)}
.result .note{color:var(--mut);font-size:14px}
.result .out{color:var(--ink2);font-size:15px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.chip{border:1px solid var(--line2);border-radius:8px;padding:9px 13px;font-size:14px;color:var(--ink);background:#05070a;cursor:pointer;transition:.18s}
.chip:hover{border-color:var(--accent);color:var(--accent)}

/* monetisation — designed in, not bolted on */
.ad{margin:26px 0;border:1px solid var(--line);border-radius:12px;background:var(--panel);min-height:96px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.ad::before{content:'Advertisement';position:absolute;top:8px;left:12px;font-family:'IBM Plex Mono',monospace;font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:var(--faint)}
.ad .ph{color:var(--faint);font-size:12px}
.reco{margin:30px 0;border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:20px 22px}
.reco .rh{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-family:'IBM Plex Mono',monospace;margin-bottom:4px}
.reco .rs{font-size:13px;color:var(--mut);margin-bottom:16px}
.reco .items{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}
.rcard{border:1px solid var(--line2);border-radius:12px;padding:16px;background:#05070a;transition:.18s;display:flex;flex-direction:column;gap:11px}
.rcard:hover{border-color:#ff9900;transform:translateY(-3px);box-shadow:0 12px 34px -14px rgba(255,153,0,.3)}
.rcard .ricon{width:38px;height:38px;border-radius:10px;background:rgba(255,153,0,.1);border:1px solid rgba(255,153,0,.28);color:#ffb84d;display:flex;align-items:center;justify-content:center;flex:none}
.rcard .rbody{flex:1}
.rcard .t{font-size:14.5px;font-weight:500;margin-bottom:3px;color:var(--ink)}
.rcard .d{font-size:12.5px;color:var(--mut);line-height:1.5}
.rcard .rbtn{margin-top:2px;display:flex;align-items:center;justify-content:center;gap:7px;background:#ff9900;color:#1a1200;font-weight:600;font-size:13px;padding:9px 14px;border-radius:8px;transition:.18s}
.rcard .rbtn b{font-weight:700;transition:transform .18s}
.rcard:hover .rbtn{background:#ffad33}
.rcard:hover .rbtn b{transform:translateX(3px)}
.dis{font-size:11px;color:var(--faint);margin-top:14px}

/* editorial content (SEO) */
.content{margin-top:36px}
.content h2{font-weight:400;font-size:22px;letter-spacing:-.01em;margin:34px 0 12px}
.content h3{font-weight:500;font-size:16px;margin:22px 0 8px}
.content p{color:var(--ink2);font-weight:300;font-size:15.5px;margin-bottom:14px;max-width:72ch}
.content ul{color:var(--ink2);font-weight:300;margin:0 0 14px 18px}.content li{margin-bottom:6px}
.faq{margin-top:14px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:16px 2px}
.faq summary{cursor:pointer;font-size:15.5px;font-weight:500;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--accent);font-size:18px;line-height:1}
.faq details[open] summary::after{content:'–'}
.faq p{color:var(--mut);font-weight:300;font-size:14.5px;margin-top:10px}
.related{margin-top:36px}
.related .rh{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--mut);font-family:'IBM Plex Mono',monospace;margin-bottom:14px}
.related .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.related a{background:#000;padding:16px 18px;transition:.2s}
.related a:hover{background:#060708}
.related a .t{font-size:14.5px;font-weight:500}.related a .k{font-size:12px;color:var(--mut);margin-top:3px}
.pro{margin-top:40px;border:1px solid var(--line2);border-radius:12px;background:radial-gradient(120% 120% at 0% 0%,rgba(55,211,172,.06),transparent 60%);padding:24px 26px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.pro .pt{font-size:16px;font-weight:500}.pro .pd{font-size:13.5px;color:var(--mut);margin-top:3px}
.pro a{background:var(--ink);color:#04060a;font-weight:500;font-size:13.5px;padding:11px 20px;border-radius:8px;white-space:nowrap;transition:.2s}
.pro a:hover{background:#fff}
.toolnote{margin-top:14px;font-size:12px;color:var(--mut);background:rgba(55,211,172,.04);border:1px solid var(--line);border-radius:9px;padding:10px 13px;line-height:1.55}
.toolnote i{font-style:normal;color:var(--accent);margin-right:6px;font-weight:600}
.tfoot .in a{text-decoration:underline;text-underline-offset:2px}
.tfoot .in a:hover{color:var(--accent)}
.legal .content h2{font-size:18px;margin:26px 0 8px}
.legal .content p{font-size:14.5px}

.tfoot{border-top:1px solid var(--line);margin-top:20px}
.tfoot .in{max-width:1240px;margin:0 auto;padding:26px 24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--mut);font-size:13px;font-weight:300}
.tfoot b{color:var(--ink2);font-weight:500;letter-spacing:.14em;font-size:12.5px}

/* hub */
.hub-hero{max-width:1240px;margin:0 auto;padding:70px 24px 30px}
.hub-hero .label{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:var(--mut)}
.hub-hero h1{font-size:clamp(30px,4.4vw,50px);font-weight:300;margin:16px 0 10px}
.hub-hero p{color:var(--ink2);font-weight:300;max-width:60ch;font-size:17px}
.hubwrap{max-width:1240px;margin:0 auto;padding:14px 24px 70px}
.hubcat{margin-top:40px}
.hubcat .ch{display:flex;align-items:center;gap:14px;font-size:13px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);font-family:'IBM Plex Mono',monospace;margin-bottom:18px}
.hubcat .ch .ln{height:1px;flex:1;background:var(--line)}
.hubgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.hubgrid a{background:#000;padding:20px;transition:.2s}
.hubgrid a:hover{background:#070809}
.hubgrid a .t{font-size:15.5px;font-weight:500;letter-spacing:-.01em}
.hubgrid a .d{font-size:13px;color:var(--mut);font-weight:300;margin-top:5px;line-height:1.5}
.hubgrid a .m{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--faint);margin-top:10px}

@media(max-width:900px){.shell{grid-template-columns:1fr}.side{position:static;order:2;margin-top:30px}}