/* Layout: one calm column of bands. Navy hero carrying a live chromatogram, then light bands; each band = heading + one tabbed panel, so nothing shows more than ~6 items at once. */
:root{
  --navy:#14314F; --navy-2:#0E243B; --teal:#16807F; --teal-soft:#E3F1F0; --gold:#C9A227; --gold-ink:#8A6D10;
  --bg:#F7F9FA; --surface:#FFFFFF; --ink:#16212C; --muted:#56656F; --line:#DCE3E7; --chip:#EEF3F5;
  --on-navy:#F2F6F8; --on-navy-muted:#A9BCCB;
  --good:#1E7D4F; --warn:#A66A00; --bad:#B23A3A;
  --f-display:"Newsreader",Georgia,"Times New Roman",serif;
  --f-body:"Source Sans 3","Segoe UI",system-ui,-apple-system,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Consolas,monospace;
  --r:12px; --max:1120px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0D1620; --surface:#14212D; --ink:#E6EDF2; --muted:#9AAAB6; --line:#253545; --chip:#1B2B39;
  --teal:#3FB5B3; --teal-soft:#123335; --gold:#D9B648; --gold-ink:#E2C462; --navy-2:#081521;
  --good:#4CC28A; --warn:#E3A73C; --bad:#E87070; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0D1620; --surface:#14212D; --ink:#E6EDF2; --muted:#9AAAB6; --line:#253545; --chip:#1B2B39;
  --teal:#3FB5B3; --teal-soft:#123335; --gold:#D9B648; --gold-ink:#E2C462; --navy-2:#081521;
  --good:#4CC28A; --warn:#E3A73C; --bad:#E87070; color-scheme:dark}
*{box-sizing:border-box}
[hidden]{display:none!important}
.nw{white-space:nowrap}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.6 var(--f-body);-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--navy)}
a{color:var(--teal)}
img{max-width:100%;display:block}
h1,h2,h3{font-family:var(--f-display);font-weight:600;line-height:1.15;text-wrap:balance;margin:0}
h2{font-size:clamp(28px,3.6vw,40px);letter-spacing:-.01em}
h3{font-size:21px}
p{margin:0}
.wrap{max-width:var(--max);margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.eyebrow{font:500 12px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--teal)}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px;border-radius:6px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}}

/* header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--navy);color:var(--on-navy);border-bottom:1px solid rgba(255,255,255,.08)}
.top .wrap{display:flex;align-items:center;gap:20px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--on-navy);text-decoration:none;font:600 18px/1.1 var(--f-display);margin-right:auto}
.brand svg{flex:none}
.brand small{display:block;font:500 10px/1.2 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--on-navy-muted);margin-top:3px}
.nav{display:flex;gap:4px;align-items:center}
.nav a{color:var(--on-navy);text-decoration:none;font-weight:500;font-size:15px;padding:8px 12px;border-radius:8px}
.nav a:hover{background:rgba(255,255,255,.08)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 16px/1 var(--f-body);text-decoration:none;border-radius:10px;padding:13px 20px;border:1.5px solid transparent;cursor:pointer;transition:transform .15s ease,background .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn-gold{background:var(--gold);color:#1B1A12}
.btn-ghost{border-color:rgba(255,255,255,.35);color:var(--on-navy)}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn-line{border-color:var(--line);color:var(--ink);background:var(--surface)}
.btn-line:hover{border-color:var(--teal)}
.btn-sm{padding:9px 14px;font-size:14px}
.menu-btn{display:none;background:none;border:0;color:var(--on-navy);padding:8px;cursor:pointer}
@media (max-width:880px){
  .nav{display:none;position:absolute;left:0;right:0;top:64px;background:var(--navy);flex-direction:column;align-items:stretch;padding:8px max(16px,env(safe-area-inset-right,0px)) 16px max(16px,env(safe-area-inset-left,0px));border-bottom:1px solid rgba(255,255,255,.1)}
  .nav.open{display:flex}
  .nav a{padding:12px}
  .menu-btn{display:block}
  .top .store-top{display:none}
}

/* hero */
.hero{background:var(--navy);color:var(--on-navy);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;padding-block:64px 56px}
.hero h1{font-size:clamp(36px,5.2vw,60px);letter-spacing:-.015em}
.hero h1 em{font-style:italic;color:var(--gold)}
.hero p.lede{font-size:19px;color:var(--on-navy-muted);margin-top:18px;max-width:34em}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero .eyebrow{color:var(--gold);margin-bottom:16px;display:block}
.chrom{background:var(--navy-2);border:1px solid rgba(255,255,255,.08);border-radius:16px;padding:18px 18px 10px;min-width:0}
.chrom-head{display:flex;justify-content:space-between;font:400 11px/1.3 var(--f-mono);color:var(--on-navy-muted);letter-spacing:.06em}
.chrom canvas{width:100%;height:240px;display:block}
.chrom-legend{display:flex;flex-wrap:wrap;gap:6px 16px;font:400 12px/1.4 var(--f-mono);color:var(--on-navy-muted);padding:8px 2px 4px}
.chrom-legend b{color:var(--on-navy);font-weight:500}
@media (max-width:880px){.hero .wrap{grid-template-columns:1fr;gap:32px;padding-block:44px 40px}}

/* paths */
.paths{background:var(--surface);border-bottom:1px solid var(--line)}
.paths .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.path{display:flex;flex-direction:column;gap:6px;padding:26px 22px;text-decoration:none;color:var(--ink);border-left:1px solid var(--line);transition:background .15s}
.path:first-child{border-left:0}
.path:hover{background:var(--teal-soft)}
.path .k{font:500 11px/1 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--teal)}
.path strong{font:600 20px/1.2 var(--f-display)}
.path span{color:var(--muted);font-size:15px}
@media (max-width:880px){.paths .wrap{grid-template-columns:1fr 1fr}.path:nth-child(3){border-left:0}.path{border-top:1px solid var(--line)}.path:nth-child(-n+2){border-top:0}}
@media (max-width:460px){.paths .wrap{grid-template-columns:1fr}.path{border-left:0;border-top:1px solid var(--line)}.path:first-child{border-top:0}}

/* sections */
section.band{padding-block:80px}
section.band.alt{background:var(--surface);border-block:1px solid var(--line)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px 32px;margin-bottom:28px}
.sec-head .t{display:flex;flex-direction:column;gap:10px;max-width:640px}
.sec-head p{color:var(--muted)}
@media (max-width:600px){section.band{padding-block:56px}}

/* tabs */
.tabs{display:flex;gap:6px;overflow-x:auto;padding-bottom:4px;margin-bottom:22px;scrollbar-width:thin}
.tab{flex:none;font:600 15px/1 var(--f-body);color:var(--muted);background:var(--chip);border:1px solid transparent;border-radius:999px;padding:10px 16px;cursor:pointer}
.tab[aria-selected="true"]{background:var(--navy);color:#fff}
:root[data-theme="dark"] .tab[aria-selected="true"]{background:var(--teal);color:#06201F}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .tab[aria-selected="true"]{background:var(--teal);color:#06201F}}
.tab:hover{border-color:var(--teal)}

/* tools */
.tool-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:0;background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.tool-in{padding:26px;display:flex;flex-direction:column;gap:16px;border-right:1px solid var(--line);min-width:0}
.tool-out{padding:26px;background:var(--bg);display:flex;flex-direction:column;gap:16px;min-width:0}
.tool-in h3{font-size:22px}
.tool-in .desc{color:var(--muted);font-size:15px}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:12px 14px}
.field{display:flex;flex-direction:column;gap:5px;min-width:0}
.field label{font-size:13px;font-weight:600;color:var(--muted)}
.field label i{font-style:normal;font-family:var(--f-mono);font-weight:400;font-size:12px}
.field input,.field select{font:500 16px/1.2 var(--f-mono);color:var(--ink);background:var(--surface);border:1.5px solid var(--line);border-radius:9px;padding:10px 11px;width:100%;min-width:0}
.field input:focus,.field select:focus{border-color:var(--teal);outline:none;box-shadow:0 0 0 3px var(--teal-soft)}
.field.full{grid-column:1/-1}
.example-note{font:400 12px/1.4 var(--f-mono);color:var(--muted)}
.results{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}
.res{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 14px;display:flex;flex-direction:column;gap:4px}
.res .l{font:500 11px/1.2 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.res .v{font:500 26px/1.1 var(--f-mono);font-variant-numeric:tabular-nums;color:var(--ink)}
.res .v small{font-size:13px;color:var(--muted);margin-left:3px}
.verdict{display:flex;gap:10px;align-items:flex-start;font-size:15px;padding:12px 14px;border-radius:10px;background:var(--surface);border:1px solid var(--line)}
.dot{flex:none;width:10px;height:10px;border-radius:50%;margin-top:7px;background:var(--muted)}
.dot.good{background:var(--good)}.dot.warn{background:var(--warn)}.dot.bad{background:var(--bad)}
.mini{width:100%;height:150px;display:block;border-radius:10px;background:var(--surface);border:1px solid var(--line)}
.formula{font:400 12.5px/1.5 var(--f-mono);color:var(--muted);overflow-x:auto;white-space:nowrap}
@media (max-width:820px){.tool-grid{grid-template-columns:1fr}.tool-in{border-right:0;border-bottom:1px solid var(--line)}}
@media (max-width:420px){.fields{grid-template-columns:1fr}}
.freebie{display:grid;grid-template-columns:120px minmax(0,1fr) auto;gap:22px;align-items:center;margin-top:22px;background:var(--teal-soft);border-radius:16px;padding:20px 24px}
.freebie img{border-radius:8px;width:120px;height:120px;object-fit:cover;background:var(--surface)}
.freebie h3{font-size:20px}
.freebie p{color:var(--muted);font-size:15px;margin-top:4px}
@media (max-width:700px){.freebie{grid-template-columns:72px minmax(0,1fr)}.freebie img{width:72px;height:72px}.freebie .btn{grid-column:1/-1}}

/* apps */
.app-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:14px}
.app{display:flex;gap:16px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s}
.app:hover{border-color:var(--teal);transform:translateY(-2px)}
.app .glyph{flex:none;width:44px;height:44px;border-radius:10px;background:var(--navy);display:grid;place-items:center;color:var(--gold);font:500 13px/1 var(--f-mono)}
.app .txt{display:flex;flex-direction:column;gap:4px;min-width:0}
.app strong{font:600 17px/1.25 var(--f-body)}
.app span{color:var(--muted);font-size:14.5px;line-height:1.5}
.app em{font-style:normal;color:var(--teal);font-weight:600;font-size:14px;margin-top:4px}
.apps-note{margin-top:18px;color:var(--muted);font-size:14px}

/* library */
.shelf{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:20px}
.book{display:flex;flex-direction:column;gap:10px;text-decoration:none;color:var(--ink)}
.book .cover{aspect-ratio:1/1;max-width:100%;border-radius:10px;overflow:hidden;background:var(--chip);border:1px solid var(--line)}
.book .cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.book:hover .cover img{transform:scale(1.04)}
.book strong{font:600 16px/1.3 var(--f-body)}
.book span{color:var(--muted);font-size:14px;line-height:1.45}

/* videos */
.vids{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.vid{text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:10px}
.vid .th{position:relative;aspect-ratio:16/9;max-width:100%;border-radius:12px;overflow:hidden;background:var(--navy)}
.vid .th img{width:100%;height:100%;object-fit:cover}
.vid .th::after{content:"";position:absolute;inset:auto auto 12px 12px;width:44px;height:44px;border-radius:50%;background:rgba(20,49,79,.88) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M9 7l8 5-8 5z' fill='%23fff'/%3E%3C/svg%3E") center/22px no-repeat}
.vid strong{font:600 16px/1.35 var(--f-body)}
@media (max-width:820px){.vids{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.vids{grid-template-columns:1fr}}

/* about */
.about{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:48px;align-items:start}
.about p{color:var(--muted);margin-top:14px;max-width:38em}
.about p:first-of-type{color:var(--ink);font-size:19px}
.creds{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.creds div{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
.creds b{font-weight:600}
.creds span{color:var(--muted);text-align:right;font-family:var(--f-mono);font-size:13px}
@media (max-width:820px){.about{grid-template-columns:1fr;gap:28px}}

/* connect */
.connect{background:var(--navy);color:var(--on-navy)}
.connect .wrap{padding-block:64px}
.connect h2{color:#fff}
.connect p{color:var(--on-navy-muted);margin-top:10px;max-width:40em}
.channels{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px}
.channel{display:flex;flex-direction:column;gap:6px;padding:20px;border-radius:12px;border:1px solid rgba(255,255,255,.14);color:var(--on-navy);text-decoration:none;transition:background .15s,border-color .15s}
.channel:hover{background:rgba(255,255,255,.06);border-color:var(--gold)}
.channel .n{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px}
.channel .n svg{flex:none}
.channel span{color:var(--on-navy-muted);font-size:14.5px}
@media (max-width:880px){.channels{grid-template-columns:1fr 1fr}}
@media (max-width:460px){.channels{grid-template-columns:1fr}}

footer{background:var(--navy-2);color:var(--on-navy-muted);font-size:14px}
footer .wrap{padding-block:28px;display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between}
footer p{max-width:62em}
footer a{color:var(--on-navy)}

.nav a[aria-current="page"]{background:rgba(255,255,255,.1)}
/* hero v2 */
.badge{display:inline-flex;align-items:center;gap:8px;font:600 13px/1 var(--f-body);color:var(--on-navy);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:8px 14px;margin-bottom:20px}
.badge i{width:7px;height:7px;border-radius:50%;background:var(--gold);display:inline-block}
.trust{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;font-size:14px;color:var(--on-navy-muted)}
.trust span{display:inline-flex;align-items:center;gap:8px}
.trust svg{flex:none;color:var(--gold)}
.sst{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:10px}
.sst div{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);border-radius:10px;padding:10px 12px;display:flex;flex-direction:column;gap:3px}
.sst b{font:500 20px/1 var(--f-mono);color:#fff}
.sst span{font:500 10px/1.2 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--on-navy-muted)}
.hctl{display:flex;align-items:center;gap:12px;margin-top:8px;font:500 12px/1.2 var(--f-mono);color:var(--on-navy-muted)}
.hctl label{white-space:nowrap}.hctl b{color:#fff}
.hctl input{flex:1;min-width:0;accent-color:#D4AF37}
.hleg{display:flex;flex-wrap:wrap;gap:4px 14px;margin-top:10px;font:400 11.5px/1.4 var(--f-mono);color:var(--on-navy-muted)}
.hleg i{display:inline-block;width:10px;height:3px;border-radius:2px;margin-right:6px;vertical-align:middle}
.pass.fail{background:#F2A3A3;color:#3A0B0B}
.pass{display:inline-flex;align-items:center;gap:6px;font:600 11px/1 var(--f-mono);letter-spacing:.06em;color:#0B2B1C;background:#7FD6A8;border-radius:999px;padding:5px 9px}
/* features */
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.feat{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;flex-direction:column;gap:8px}
.feat .ic{width:40px;height:40px;border-radius:10px;background:var(--teal-soft);color:var(--teal);display:grid;place-items:center}
.feat strong{font:600 18px/1.25 var(--f-body)}
.feat span{color:var(--muted);font-size:15px}
@media (max-width:900px){.features{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.features{grid-template-columns:1fr}}
/* tool categories */
.search{position:relative;max-width:520px;width:100%}
.search input{width:100%;font:500 16px/1.2 var(--f-body);color:var(--ink);background:var(--surface);border:1.5px solid var(--line);border-radius:12px;padding:14px 16px 14px 44px}
.search input:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-soft)}
.search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted)}
.cats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cat{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:22px;display:flex;flex-direction:column;gap:12px;min-width:0}
.cat h3{font-size:20px}
.cat p{color:var(--muted);font-size:14.5px;margin-top:-4px}
.cat ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.cat li a{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-top:1px solid var(--line);color:var(--ink);text-decoration:none;font-weight:500;font-size:15.5px}
.cat li a:hover{color:var(--teal)}
.cat li a::after{content:"→";color:var(--teal)}
@media (max-width:900px){.cats{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.cats{grid-template-columns:1fr}}
/* hub */
.hub-group{margin-top:36px}
.hub-group h2{font-size:26px}
.hub-group>p{color:var(--muted);margin-top:6px}
.tgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;margin-top:16px}
.tcard{display:flex;flex-direction:column;gap:6px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px;text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s}
.tcard:hover{border-color:var(--teal);transform:translateY(-2px)}
.tcard strong{font:600 17px/1.3 var(--f-body)}
.tcard span{color:var(--muted);font-size:14.5px}
.tcard em{font-style:normal;color:var(--teal);font-weight:600;font-size:14px;margin-top:4px}
/* tool page */
.crumbs{font-size:14px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px}
.crumbs a{color:var(--muted)}
.page-head{padding-block:40px 28px}
.page-head h1{font-size:clamp(30px,4.2vw,46px);margin-top:12px;letter-spacing:-.01em}
.page-head .lead{font-size:19px;color:var(--muted);margin-top:12px;max-width:44em}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{font:500 12px/1 var(--f-mono);color:var(--muted);background:var(--chip);border-radius:999px;padding:7px 11px}
.res .v .sub{display:block;font:400 12px/1.4 var(--f-body);color:var(--muted);margin-top:4px}
.field textarea{font:400 14px/1.5 var(--f-mono);color:var(--ink);background:var(--surface);border:1.5px solid var(--line);border-radius:9px;padding:10px 11px;width:100%;resize:vertical}
.field textarea:focus{border-color:var(--teal);outline:none;box-shadow:0 0 0 3px var(--teal-soft)}
.range{padding:0!important;border:0!important;accent-color:var(--teal)}
.tblwrap{overflow-x:auto}
.tblwrap table{width:100%;border-collapse:collapse;font-size:14px;background:var(--surface);border:1px solid var(--line);border-radius:10px;overflow:hidden}
.tblwrap th,.tblwrap td{padding:8px 12px;text-align:left;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}
.tblwrap th{font:500 11px/1.2 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);background:var(--bg)}
.tblwrap td.mono{font-family:var(--f-mono)}
.tblwrap td.bad{color:var(--bad);font-weight:600}.tblwrap td.warn{color:var(--warn);font-weight:600}
.explain{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:40px;padding-block:48px}
.explain h2{font-size:26px;margin-bottom:12px}
.explain p{color:var(--muted);margin-top:12px;max-width:42em}
.explain p:first-of-type{margin-top:0}
.side{display:flex;flex-direction:column;gap:16px}
.promo{background:var(--navy);color:var(--on-navy);border-radius:14px;padding:22px;display:flex;flex-direction:column;gap:10px}
.promo .eyebrow{color:var(--gold)}
.promo strong{font:600 20px/1.25 var(--f-display);color:#fff}
.promo p{color:var(--on-navy-muted)!important;font-size:15px;margin:0!important}
.related{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px}
.related h3{font-size:17px;margin-bottom:8px}
.related a{display:block;padding:8px 0;border-top:1px solid var(--line);text-decoration:none;color:var(--ink);font-weight:500;font-size:15px}
.related a:hover{color:var(--teal)}
@media (max-width:860px){.explain{grid-template-columns:1fr;gap:28px}}
/* audience */
.aud{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.aud div{border-top:3px solid var(--teal);padding-top:16px;display:flex;flex-direction:column;gap:6px}
.aud strong{font:600 18px/1.25 var(--f-display)}
.aud span{color:var(--muted);font-size:15px}
@media (max-width:900px){.aud{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.aud{grid-template-columns:1fr}}
/* founder */
.founder{display:grid;grid-template-columns:minmax(0,280px) minmax(0,1fr) minmax(0,.8fr);gap:40px;align-items:start}
.portrait{width:100%;max-width:280px;aspect-ratio:4/5;object-fit:cover;border-radius:18px;border:1px solid var(--line)}
.byline{display:flex;align-items:center;gap:12px;margin-top:22px;color:var(--on-navy-muted);font-size:14.5px}
.byline img{width:44px;height:44px;border-radius:50%;object-fit:cover;border:2px solid var(--gold)}
.byline b{color:var(--on-navy);font-weight:600}
.mono-av{width:120px;height:120px;border-radius:24px;background:var(--navy);color:var(--gold);display:grid;place-items:center;font:600 44px/1 var(--f-display)}
.founder .role{font:500 13px/1.3 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--teal);margin-top:8px}
.founder p{color:var(--muted);margin-top:14px;max-width:40em}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px}
.stat b{display:block;font:600 30px/1 var(--f-display);color:var(--ink)}
.stat span{font-size:14px;color:var(--muted)}
@media (max-width:900px){.founder{grid-template-columns:1fr;gap:22px}.portrait{max-width:220px}}
.cta-band{background:var(--teal-soft)}
.cta-band .wrap{padding-block:48px;display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
.cta-band h2{font-size:clamp(24px,3vw,32px)}
.cta-band p{color:var(--muted);margin-top:6px}
.channels-3{grid-template-columns:repeat(3,1fr)}
@media (max-width:880px){.channels-3{grid-template-columns:1fr}}
.legal{max-width:760px;padding-block:48px}
.legal h1{font-size:40px}.legal h2{font-size:22px;margin-top:28px}
.legal p,.legal li{color:var(--muted);margin-top:10px}
footer .wrap{flex-direction:column}
.fcols{display:flex;flex-wrap:wrap;gap:12px 28px}

/* video courses */
.courses{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.course{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column}
.course .cover{display:block;aspect-ratio:16/9;background:var(--navy)}
.course .cover img{width:100%;height:100%;object-fit:cover;display:block}
.course .body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.course h3{margin:0;font:600 22px/1.2 var(--f-display)}
.course p{margin:0;color:var(--muted);font-size:15.5px}
.course .stats{font:600 14px/1.4 var(--f-body);color:var(--teal)}
.course .price{color:var(--ink);margin-top:auto;padding-top:6px}

.course .cbtn{display:flex;flex-wrap:wrap;gap:8px}
.course .free{font-size:13.5px}
.bundle{margin:22px 0 0;color:var(--muted)}
.bundle a{color:var(--teal);font-weight:600}
@media (max-width:900px){.courses{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.courses{grid-template-columns:1fr}}