/* ==========================================================================
   Adwix Connect — Learn Center (/learn). Loaded after adwix.css, which owns the
   tokens, nav, footer and buttons. Pages are generated by build-learn.js.
   ========================================================================== */
svg.i{fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.learn{background:#fff;}
.lrn{padding:28px 0 72px;}

/* ── three-column docs layout ─────────────────────────────────────────────── */
.lrn__grid{display:grid;grid-template-columns:240px minmax(0,1fr) 200px;gap:48px;align-items:start;}
.lrn__grid>.doc{max-width:740px;}

/* sidebar */
.side{position:sticky;top:88px;max-height:calc(100vh / var(--z,1) - 110px);overflow:auto;padding-right:6px;font-size:.88rem;scrollbar-width:thin;}
.side__toggle{display:none;}
.side__home{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand-700);margin-bottom:14px;}
.side__home svg{width:15px;height:15px;}
.side__grp{margin-bottom:16px;}
.side__h{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--heading);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px;}
.side__h svg{width:15px;height:15px;color:var(--brand-700);}
.side ul{list-style:none;border-left:1.5px solid var(--line);margin-left:7px;}
.side li a{display:block;padding:5px 0 5px 14px;margin-left:-1.5px;border-left:1.5px solid transparent;color:var(--text);line-height:1.4;transition:color .15s,border-color .15s;}
.side li a:hover{color:var(--heading);}
.side li a[aria-current]{color:var(--brand-700);border-left-color:var(--brand);font-weight:700;}

/* article */
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:.82rem;color:var(--muted);margin-bottom:18px;}
.crumbs a{color:var(--text);font-weight:600;}
.crumbs a:hover{color:var(--brand-700);}
.doc__track{display:inline-flex;align-items:center;gap:7px;font-size:.78rem;font-weight:800;color:var(--brand-700);text-transform:uppercase;letter-spacing:.05em;}
.doc__track svg{width:15px;height:15px;}
.doc__head h1{font-size:clamp(1.85rem,4vw,2.6rem);margin:10px 0 14px;}
.doc__sum{font-size:1.12rem;color:var(--text);line-height:1.6;}
.doc__meta{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:16px;padding-bottom:24px;border-bottom:1px solid var(--line);font-size:.84rem;color:var(--muted);font-weight:600;}
.doc__meta span{display:inline-flex;align-items:center;gap:6px;}
.doc__meta svg{width:14px;height:14px;}

/* prose */
.prose{color:var(--text);font-size:1.02rem;line-height:1.75;}
.prose>*+*{margin-top:1.05em;}
.prose h2{font-size:1.45rem;margin-top:2.1em;scroll-margin-top:96px;}
.prose h3{font-size:1.15rem;margin-top:1.6em;scroll-margin-top:96px;}
.prose h2+*,.prose h3+*{margin-top:.6em;}
.prose strong{color:var(--heading);font-weight:700;}
.prose a{color:var(--brand-700);font-weight:600;text-decoration:underline;text-decoration-color:rgba(15,157,80,.35);text-underline-offset:3px;}
.prose a:hover{text-decoration-color:currentColor;}
.prose code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88em;background:var(--bg-mint);color:#0b6b3a;padding:2px 6px;border-radius:6px;}
.prose ul{padding-left:1.25em;}
.prose ul li{margin-top:.4em;}
.prose ul li::marker{color:var(--brand);}

/* numbered steps */
.prose ol.steps{list-style:none;counter-reset:step;padding:0;}
.prose ol.steps>li{counter-increment:step;position:relative;padding:0 0 18px 48px;}
.prose ol.steps>li::before{content:counter(step);position:absolute;left:0;top:-1px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  background:var(--bg-mint);color:var(--brand-700);font-weight:800;font-size:.85rem;border:1.5px solid #c9efd9;}
.prose ol.steps>li:not(:last-child)::after{content:"";position:absolute;left:15px;top:33px;bottom:2px;width:1.5px;background:var(--line);}
.prose ol.steps>li>div>ul{margin-top:.5em;}

/* tables */
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-sm);-webkit-overflow-scrolling:touch;}
.tbl table{width:100%;border-collapse:collapse;font-size:.92rem;line-height:1.5;}
.tbl th{background:var(--bg-soft);color:var(--heading);text-align:left;font-weight:700;padding:11px 14px;white-space:nowrap;}
.tbl td{padding:11px 14px;border-top:1px solid var(--line-soft);vertical-align:top;}
.tbl td:first-child{color:var(--heading);}

/* callouts */
.callout{border-radius:var(--r-sm);padding:14px 18px;border:1px solid;font-size:.96rem;line-height:1.65;}
.callout>*+*{margin-top:.6em;}
.callout__head{display:flex;align-items:center;gap:8px;font-weight:800;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;}
.callout__head svg{width:17px;height:17px;}
.callout--tip{background:#effbf4;border-color:#c9efd9;}
.callout--tip .callout__head{color:#0b7a3e;}
.callout--note{background:#f1f6fd;border-color:#d4e3f7;}
.callout--note .callout__head{color:#1d5fa8;}
.callout--warning{background:#fff8eb;border-color:#f6dfae;}
.callout--warning .callout__head{color:#9a5b00;}

/* video */
.vid{margin:26px 0 30px;border-radius:var(--r);overflow:hidden;background:#0a1f17;aspect-ratio:16/9;box-shadow:var(--sh-md);position:relative;}
.vid video,.vid iframe{width:100%;height:100%;display:block;border:0;}
.vid__play{all:unset;cursor:pointer;display:block;width:100%;height:100%;position:relative;}
.vid__play img{width:100%;height:100%;object-fit:cover;display:block;opacity:.92;transition:opacity .2s;}
.vid__play:hover img{opacity:1;}
.vid__btn{position:absolute;left:50%;top:50%;width:68px;height:68px;margin:-34px 0 0 -34px;border-radius:50%;display:grid;place-items:center;
  background:var(--brand-grad);color:#fff;box-shadow:0 12px 30px -8px rgba(18,178,94,.8);transition:transform .2s var(--ease);}
.vid__btn svg{width:26px;height:26px;margin-left:4px;fill:#fff;stroke:none;}
.vid__play:hover .vid__btn,.vcard:hover .vid__btn{transform:scale(1.08);}
.vid__play:focus-visible{outline:3px solid var(--brand);outline-offset:-3px;}

/* pager + help */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:48px;}
.pager__a{display:flex;flex-direction:column;gap:4px;padding:16px 18px;border:1px solid var(--line);border-radius:var(--r-sm);transition:border-color .15s,box-shadow .15s,transform .15s;}
.pager__a:hover{border-color:var(--brand);box-shadow:var(--sh-sm);transform:translateY(-2px);}
.pager__a small{font-size:.76rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;}
.pager__a span{font-weight:700;color:var(--heading);line-height:1.35;}
.pager__a--next{text-align:right;}
.help-cta{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:28px;padding:22px 24px;border-radius:var(--r);
  background:linear-gradient(135deg,#0a1f17,#0e3323);color:#cfe3d9;}
.help-cta h3{color:#fff;font-size:1.15rem;margin-bottom:4px;}
.help-cta p{font-size:.93rem;}
.help-cta .btn{flex-shrink:0;}

/* on-this-page */
.toc{position:sticky;top:88px;font-size:.84rem;}
.toc__h{font-weight:800;color:var(--heading);font-size:.76rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:10px;}
.toc ul{list-style:none;border-left:1.5px solid var(--line);}
.toc a{display:block;padding:4px 0 4px 12px;margin-left:-1.5px;border-left:1.5px solid transparent;color:var(--muted);line-height:1.4;transition:color .15s,border-color .15s;}
.toc a:hover{color:var(--heading);}
.toc a.is-active{color:var(--brand-700);border-left-color:var(--brand);font-weight:700;}

/* ── hub ──────────────────────────────────────────────────────────────────── */
.lrn--wide{padding-top:0;}
.lrn--wide>.container>.crumbs{margin-top:28px;}
.hub__hero{position:relative;padding:clamp(48px,7vw,88px) 0 clamp(40px,5vw,60px);text-align:center;overflow:hidden;
  background:radial-gradient(60% 80% at 50% 0%,rgba(37,211,102,.14),transparent 70%),var(--bg-soft);border-bottom:1px solid var(--line);}
.hub__hero h1{font-size:clamp(2.2rem,5vw,3.4rem);margin:18px 0 12px;}
.hub__hero>.container>p{font-size:clamp(1rem,1.6vw,1.15rem);color:var(--text);max-width:600px;margin:0 auto;}
.search{position:relative;max-width:620px;margin:30px auto 0;display:flex;align-items:center;background:#fff;border:1.5px solid var(--line);border-radius:var(--r-pill);
  box-shadow:var(--sh-md);transition:border-color .2s,box-shadow .2s;}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(37,211,102,.16),var(--sh-md);}
.search>svg{width:20px;height:20px;margin-left:20px;color:var(--muted);flex-shrink:0;}
.search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font:inherit;font-size:1rem;padding:16px 14px;color:var(--heading);}
.search input::-webkit-search-cancel-button{cursor:pointer;}
.search kbd{margin-right:16px;font:700 .75rem/1 inherit;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:4px 7px;}
.search__res{max-width:620px;margin:10px auto 0;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh-lg);text-align:left;overflow:hidden;}
.search__res a{display:block;padding:13px 20px;border-top:1px solid var(--line-soft);}
.search__res a:first-child{border-top:0;}
.search__res a:hover,.search__res a.is-sel{background:var(--bg-soft);}
.search__res strong{display:block;color:var(--heading);font-size:.96rem;}
.search__res small{display:block;color:var(--muted);font-size:.84rem;margin-top:2px;}
.search__res mark{background:#d7f7e3;color:inherit;border-radius:3px;padding:0 2px;}
.search__res .none{padding:16px 20px;color:var(--text);font-size:.93rem;}
.hub__stats{display:flex;justify-content:center;gap:26px;margin-top:22px;font-size:.88rem;color:var(--muted);font-weight:600;}
.hub__stats b{color:var(--heading);}

.hub__sec{padding-top:clamp(44px,6vw,68px);}
.hub__label{margin-bottom:22px;}
.hub__label h2{font-size:clamp(1.45rem,2.6vw,1.9rem);}
.hub__label p{color:var(--text);margin-top:6px;}
.hub__label--row{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;}
.hub__head{margin:8px 0 30px;}
.hub__head h1{font-size:clamp(2rem,4.4vw,2.8rem);margin-bottom:10px;}
.hub__head p{color:var(--text);max-width:640px;font-size:1.05rem;}

/* start-here path */
.path{list-style:none;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;counter-reset:none;}
.path a{display:flex;flex-direction:column;gap:14px;height:100%;padding:18px;border:1px solid var(--line);border-radius:var(--r);background:#fff;
  transition:border-color .2s,box-shadow .2s,transform .2s var(--ease);}
.path a:hover{border-color:var(--brand);box-shadow:var(--sh-md);transform:translateY(-3px);}
.path__n{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:var(--brand-grad);color:#fff;font-weight:800;font-size:.95rem;box-shadow:var(--sh-glow);}
.path__t strong{display:block;color:var(--heading);line-height:1.35;font-size:.97rem;}
.path__t small{display:block;color:var(--muted);font-size:.8rem;margin-top:6px;font-weight:600;}

/* topic cards */
.tracks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.track{padding:24px;border:1px solid var(--line);border-radius:var(--r);background:#fff;scroll-margin-top:96px;transition:box-shadow .2s,border-color .2s;}
.track:hover{box-shadow:var(--sh-md);border-color:#d3eadf;}
.track__ic{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:var(--bg-mint);color:var(--brand-700);margin-bottom:14px;}
.track__ic svg{width:22px;height:22px;}
.track h3{font-size:1.12rem;}
.track>p{color:var(--text);font-size:.92rem;margin:6px 0 14px;line-height:1.55;}
.track ul{list-style:none;border-top:1px solid var(--line-soft);}
.track li a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px solid var(--line-soft);
  font-size:.92rem;font-weight:600;color:var(--heading);}
.track li a::after{content:"→";color:var(--muted);transition:transform .15s,color .15s;}
.track li a:hover{color:var(--brand-700);}
.track li a:hover::after{transform:translateX(3px);color:var(--brand-700);}

/* video cards */
.vgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.vcard{display:flex;flex-direction:column;gap:8px;}
.vcard__thumb{position:relative;display:block;aspect-ratio:16/9;border-radius:var(--r-sm);overflow:hidden;background:linear-gradient(135deg,#0a1f17,#0e3323);box-shadow:var(--sh-sm);}
.vcard__thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s var(--ease);}
.vcard:hover .vcard__thumb img{transform:scale(1.04);}
.vcard__thumb .vid__btn{width:48px;height:48px;margin:0;left:14px;top:auto;bottom:14px;}
.vcard__thumb .vid__btn svg{width:20px;height:20px;}
.vcard__thumb em{position:absolute;right:10px;bottom:10px;font-style:normal;font-size:.75rem;font-weight:700;color:#fff;background:rgba(0,0,0,.65);padding:3px 7px;border-radius:6px;}
.vcard__track{font-size:.74rem;font-weight:800;color:var(--brand-700);text-transform:uppercase;letter-spacing:.05em;margin-top:4px;}
.vcard strong{color:var(--heading);line-height:1.35;}
.vcard:hover strong{color:var(--brand-700);}

/* ── responsive ───────────────────────────────────────────────────────────── */
@media(max-width:1180px){
  .lrn__grid{grid-template-columns:220px minmax(0,1fr);gap:40px;}
  .toc{display:none;}
  .path{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media(max-width:860px){
  .lrn{padding-top:16px;}
  .lrn__grid{grid-template-columns:minmax(0,1fr);gap:18px;}
  .side{position:static;max-height:none;overflow:visible;padding:0;}
  .side__toggle{display:inline-flex;align-items:center;gap:8px;font:inherit;font-weight:700;font-size:.9rem;color:var(--heading);background:var(--bg-soft);
    border:1px solid var(--line);border-radius:var(--r-pill);padding:9px 16px;cursor:pointer;}
  .side__toggle svg{width:16px;height:16px;}
  .side__body{display:none;margin-top:14px;padding:16px;border:1px solid var(--line);border-radius:var(--r);}
  .side.is-open .side__body{display:block;}
  .tracks,.vgrid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);}
  .path{grid-template-columns:minmax(0,1fr) minmax(0,1fr);}
  .help-cta{flex-direction:column;align-items:flex-start;}
}
@media(max-width:560px){
  .tracks,.vgrid,.path{grid-template-columns:minmax(0,1fr);}
  .path a{flex-direction:row;align-items:center;}
  .pager{grid-template-columns:minmax(0,1fr);}
  .pager__a--next{text-align:left;}
  .search kbd{display:none;}
  .prose ol.steps>li{padding-left:42px;}
  .hub__label--row{flex-direction:column;align-items:flex-start;}
}
@media(prefers-reduced-motion:reduce){
  .path a,.pager__a,.vcard__thumb img,.vid__btn{transition:none;}
}