/* Aiper Blog theme - static prototype (M0). Tokens + layout + components. */
@font-face{font-family:"Poppins";font-weight:600;font-style:normal;font-display:swap;src:url(../fonts/poppins-600-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Poppins";font-weight:600;font-style:normal;font-display:swap;src:url(../fonts/poppins-600-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Poppins";font-weight:700;font-style:normal;font-display:swap;src:url(../fonts/poppins-700-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Poppins";font-weight:700;font-style:normal;font-display:swap;src:url(../fonts/poppins-700-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
/* metric-matched fallback so the swap does not shift layout */
@font-face{font-family:"Poppins Fallback";src:local("Arial");size-adjust:112%;ascent-override:93%;descent-override:31%;line-gap-override:8%}

:root{
  --brand-a:#1ecad3;--brand-b:#9486f7;--grad:linear-gradient(135deg,#1ecad3,#9486f7);
  --ink:#1a202c;--text:#2c3e50;--muted:#4a5568;--link:#0b6e77;--link-hover:#5b4bc4;
  --tint:#f5f3ff;--soft:#f7fafc;--line:#e2e8f0;--white:#fff;
  --font-body:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-head:"Poppins","Poppins Fallback",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --wrap:1200px;--read:720px;--r:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-body);font-size:17px;line-height:1.7;color:var(--text);background:var(--white)}
@media(min-width:768px){body{font-size:18px}}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--ink);line-height:1.25;margin:0 0 .6em;font-weight:700}
h1{font-size:32px}
@media(min-width:768px){h1{font-size:40px}}
.prose h2{font-size:26px;margin-top:1.8em}.prose h3{font-size:20px;margin-top:1.5em}
@media(min-width:768px){.prose h2{font-size:30px}.prose h3{font-size:22px}}
a{color:var(--link)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;background:var(--ink);color:#fff;padding:10px 16px;border-radius:0 0 8px 8px;z-index:100}
.skip:focus{top:0}

/* focus + buttons */
:focus-visible{outline:3px solid #5b4bc4;outline-offset:2px;box-shadow:0 0 0 2px #fff}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 20px;border:2px solid transparent;border-radius:8px;background:var(--grad);color:var(--ink);font:600 15px/1.2 var(--font-body);text-decoration:none;cursor:pointer;transition:filter .15s,box-shadow .15s}
.btn:hover{filter:brightness(1.06);box-shadow:0 4px 14px rgba(148,134,247,.35);color:var(--ink)}
.btn:focus{color:var(--ink)}.btn:active{filter:brightness(.97);color:var(--ink)}
.btn--ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn--ghost:hover{filter:none;border-color:var(--brand-b);background:var(--tint)}

/* TOPBAR */
.topbar{background:var(--soft);border-bottom:1px solid var(--line);font-size:14px;line-height:1.2}
.topbar .wrap{display:grid;grid-template-columns:1fr minmax(0,480px) 1fr;align-items:center;gap:16px;min-height:44px}
.tb-btn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 10px;background:none;border:0;color:var(--ink);font:500 14px var(--font-body);cursor:pointer;border-radius:6px;text-decoration:none}
.tb-btn:hover{background:#edf2f7}
.tb-btn svg{width:18px;height:18px;flex:none}
.tb-left{justify-self:start}.tb-right{justify-self:end;display:flex;gap:4px}
.tb-search{position:relative}
.tb-search input{width:100%;height:36px;border:1px solid #cbd5e0;border-radius:18px;padding:0 44px 0 16px;font:15px var(--font-body);color:var(--ink);background:#fff}
.tb-search button{position:absolute;right:2px;top:2px;width:32px;height:32px;border:0;border-radius:50%;background:var(--grad);color:var(--ink);display:grid;place-items:center;cursor:pointer}
.tb-search svg{width:16px;height:16px}
.tb-search-icon{display:none}
.tb-lang-code{font-weight:700}
@media(max-width:1023px){
  .topbar .wrap{grid-template-columns:auto 1fr;padding:0 8px}
  .tb-search{display:none}.tb-search-icon{display:inline-flex}
  .tb-label{display:none}
  .tb-left{justify-self:start}.tb-right{justify-self:end}
  .tb-btn{padding:0 12px}
}

/* POP-UP (region + language), Popover API */
[popover].pop{margin:auto;border:0;padding:0;border-radius:16px;box-shadow:0 24px 60px rgba(26,32,44,.28);width:min(640px,calc(100vw - 24px));max-height:calc(100vh - 32px);overflow:auto;color:var(--text)}
[popover].pop::backdrop{background:rgba(26,32,44,.45)}
.pop-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;padding:20px 24px 12px;border-bottom:1px solid var(--line)}
.pop-head h2{margin:0;font-size:20px}
.pop-head p{margin:2px 0 0;font-size:14px;color:var(--muted)}
.pop-x{flex:none;width:44px;height:44px;border:0;background:none;border-radius:50%;cursor:pointer;color:var(--ink);display:grid;place-items:center}
.pop-x:hover{background:var(--tint)}
.pop-body{padding:8px 24px 24px}
.pop-group h3{margin:16px 0 6px;font:700 12px var(--font-body);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.pop-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:6px}
@media(max-width:520px){.pop-list{grid-template-columns:1fr}}
.pop-list a{display:flex;align-items:center;gap:12px;min-height:48px;padding:6px 12px;border:1px solid var(--line);border-radius:10px;color:var(--ink);text-decoration:none;font-size:16px;line-height:1.25}
.pop-list a:hover{border-color:var(--brand-b);background:var(--tint)}
.pop-list a[aria-current="true"]{border-color:var(--brand-b);background:var(--tint);box-shadow:inset 3px 0 0 var(--brand-b)}
.pop-code{flex:none;width:34px;height:24px;border-radius:5px;background:#edf2f7;color:var(--ink);font:700 11px/24px var(--font-body);text-align:center;letter-spacing:.04em}
.pop-sub{display:block;font-size:12px;color:var(--muted)}

/* MAIN NAV */
.mainbar{background:#fff;border-bottom:1px solid var(--line)}
.mainbar .wrap{display:flex;align-items:center;gap:28px;min-height:68px}
.logo{display:flex;align-items:center;flex:none}
.logo img{display:block;width:auto;height:40px;max-width:100%}
@media(max-width:1023px){.logo img{height:30px}}
.nav{display:flex;gap:2px;list-style:none;margin:0;padding:0}
.nav > li{position:static}
.nav-btn,.nav > li > a{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 14px;border:0;background:none;border-radius:8px;font:600 15px var(--font-body);color:var(--ink);text-decoration:none;cursor:pointer;position:relative}
.nav-btn::after,.nav > li > a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:2px;background:var(--grad);transform:scaleX(0);transition:transform .15s}
.nav-btn:hover::after,.nav > li > a:hover::after,.nav-btn[aria-expanded="true"]::after,[aria-current="true"]::after{transform:scaleX(1)}
.nav-btn svg{width:12px;height:12px;transition:transform .15s}
.nav-btn[aria-expanded="true"] svg{transform:rotate(180deg)}
.mainbar{position:relative}
.mega{position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 36px rgba(26,32,44,.10);z-index:20}
.mega[hidden]{display:none}
.mega-inner{display:grid;grid-template-columns:1.1fr 1.2fr 1fr 1fr;gap:32px;padding:28px 20px 32px;max-width:var(--wrap);margin:0 auto}
.mega h3{margin:0 0 10px;font:700 12px var(--font-body);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.mega ul{list-style:none;margin:0;padding:0}
.mega li a{display:block;padding:6px 0;color:var(--ink);text-decoration:none;font-size:16px;line-height:1.4}
.mega li a:hover{color:var(--link-hover);text-decoration:underline}
.mega .all{font-weight:700;color:var(--link)}
.mega .start a{font-size:15px}
.promo{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--tint);color:var(--ink);text-decoration:none;align-self:start}
.promo:hover{border-color:var(--brand-b);box-shadow:0 6px 18px rgba(148,134,247,.18)}
.promo-img{display:block;aspect-ratio:4/3;background:#edf2f7;overflow:hidden}
.promo-img img{width:100%;height:100%;object-fit:cover}
.promo-cap{display:flex;flex-direction:column;gap:4px;padding:14px 16px 16px;color:var(--ink)}
.promo-cap strong{font:600 16px/1.3 var(--font-head);color:var(--ink)}
.promo-cap span{font:400 14px/1.4 var(--font-body);color:var(--muted)}
.promo-cap .btn{margin-top:8px;min-height:40px;font-size:14px;font-style:normal;align-self:flex-start}
@media(max-width:1023px){.nav-desktop{display:none}.burger{display:inline-flex}.mainbar .wrap{min-height:56px}}
.burger{display:none;margin-left:auto;align-items:center;gap:8px;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font:600 14px var(--font-body)}

/* breadcrumb + meta */
.crumbs{font-size:14px;color:var(--muted);padding:18px 0 6px}
.crumbs ol{display:flex;flex-wrap:wrap;gap:4px;list-style:none;margin:0;padding:0}
.crumbs li+li::before{content:"/";margin-right:6px;color:#a0aec0}
.pill{display:inline-block;padding:3px 12px;border-radius:999px;background:var(--tint);color:#4b3fb0;font:600 13px var(--font-body);text-decoration:none;margin:0 6px 6px 0}
.pill:hover{background:#ece8ff}
.byline{display:flex;flex-wrap:wrap;gap:6px 18px;align-items:center;font-size:15px;color:var(--muted);margin:10px 0 22px}
.byline .av{width:28px;height:28px;border-radius:50%;background:var(--grad);display:inline-grid;place-items:center;color:var(--ink);font:700 13px var(--font-head);margin-right:8px;vertical-align:middle}
.byline strong{color:var(--ink)}

/* ARTICLE */
.art-wrap{max-width:1320px}
.art-grid{display:grid;grid-template-columns:minmax(0,var(--read));justify-content:center;gap:48px;padding-bottom:40px}
@media(min-width:1440px){.art-grid{grid-template-columns:240px minmax(0,var(--read)) 240px;justify-content:center}}
.toc-slot{display:none;font-size:15px}
@media(min-width:1440px){.toc-slot{display:block;position:sticky;top:20px;align-self:start;max-height:calc(100vh - 40px);overflow:auto}}
.toc-slot h2{font:700 12px var(--font-body);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 10px}
.toc-slot ol{list-style:none;margin:0;padding:0 0 0 12px;border-left:2px solid var(--line)}
.toc-slot a{display:block;padding:5px 0 5px 10px;margin-left:-14px;border-left:2px solid transparent;color:var(--muted);text-decoration:none;line-height:1.35}
.toc-slot a:hover,.toc-slot a[aria-current="true"]{color:var(--link-hover);border-left-color:var(--brand-b)}
.hero-img{aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;background:#edf2f7;margin:0 0 24px}
.hero-img img{width:100%;height:100%;object-fit:cover}
.takeaways{margin:0 0 28px;padding:18px 22px;background:var(--tint);border-left:4px solid var(--brand-b);border-radius:0 10px 10px 0}
.takeaways p.t{margin:0 0 8px;font:700 12px var(--font-body);letter-spacing:.08em;text-transform:uppercase;color:var(--text)}
.takeaways ul{margin:0;padding-left:1.2em}.takeaways li{margin:0 0 .5em;line-height:1.55;font-size:16px}
.takeaways li::marker{color:var(--brand-b)}
.article .prose :is(p,li,td,th,dd,blockquote,figcaption) a:not(.btn){color:var(--link);text-decoration:none;background:linear-gradient(90deg,var(--brand-a),var(--brand-b)) 0 100%/100% 2px no-repeat;box-decoration-break:clone;-webkit-box-decoration-break:clone;padding-bottom:1px;transition:background-size .15s,color .15s}
.article .prose :is(p,li,td,th,dd,blockquote,figcaption) a:not(.btn):hover{color:var(--link-hover);background-image:linear-gradient(#ece8ff,#ece8ff);background-size:100% 100%}
.prose p,.prose li{margin:0 0 1.1em}
.prose table{border-collapse:collapse;width:100%;font-size:16px;margin:1.2em 0}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.prose th{background:var(--soft)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:28px 0;padding:0;list-style:none}
.tags a{display:inline-block;padding:4px 12px;border:1px solid var(--line);border-radius:999px;font-size:14px;color:var(--muted);text-decoration:none;min-height:32px}
.tags a:hover{border-color:var(--brand-b);color:var(--link-hover)}
/* product card block */
.pcard{display:grid;grid-template-columns:140px 1fr;gap:20px;align-items:center;margin:2em 0;padding:18px;border:1px solid var(--line);border-radius:var(--r);background:#fff;box-shadow:0 2px 10px rgba(26,32,44,.05)}
.pcard-img{aspect-ratio:1/1;border-radius:10px;background:var(--soft);overflow:hidden}
.pcard-img img{width:100%;height:100%;object-fit:cover}
.pcard .t{font:700 18px var(--font-head);color:var(--ink);margin:0 0 4px}
.pcard .price{font:700 20px var(--font-head);color:var(--ink);margin:0 0 6px}
.pcard ul{margin:0 0 12px;padding-left:1.1em;font-size:15px;line-height:1.5}
.pcard .acts{display:flex;flex-wrap:wrap;gap:10px}
@media(max-width:560px){.pcard{grid-template-columns:96px 1fr;gap:14px}.pcard .acts .btn{flex:1}}
/* GSource / WTH / author / related */
.gsource{display:flex;flex-wrap:wrap;gap:12px 16px;align-items:center;margin:32px 0;padding:14px 18px;border:1px solid var(--line);border-left:4px solid var(--brand-b);border-radius:10px;background:var(--soft);font-size:15px;min-height:76px}
.gsource .badge{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 16px;border:1px solid #cbd5e0;border-radius:999px;background:#fff;color:var(--ink);font:600 14px var(--font-body);text-decoration:none;background-image:none}
.wth{margin:32px 0;padding:20px;border:1px solid var(--line);border-radius:var(--r);text-align:center;min-height:132px}
.wth p{margin:0 0 12px;font:600 17px var(--font-head);color:var(--ink)}
.wth .row{display:flex;justify-content:center;gap:12px}
.author-box{display:grid;grid-template-columns:64px 1fr;gap:18px;margin:36px 0;padding:22px;background:var(--soft);border-radius:var(--r)}
.author-box .av{width:64px;height:64px;border-radius:50%;background:var(--grad);display:grid;place-items:center;font:700 24px var(--font-head);color:var(--ink)}
.author-box h2{margin:0 0 4px;font-size:18px}.author-box p{margin:0;font-size:16px;line-height:1.6}
.related{background:var(--soft);padding:48px 0;margin-top:20px}
.related h2{margin:0 0 20px;font-size:26px}
.grid{display:grid;gap:24px;grid-template-columns:1fr}
@media(min-width:640px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid.g3{grid-template-columns:repeat(3,1fr)}.grid.g4{grid-template-columns:repeat(4,1fr)}}
.card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;color:inherit;transition:box-shadow .15s,border-color .15s}
.card:hover{border-color:var(--brand-b);box-shadow:0 10px 28px rgba(148,134,247,.18)}
.card .ph{aspect-ratio:16/9;background:#edf2f7;overflow:hidden}
.card .ph img{width:100%;height:100%;object-fit:cover}
.card .bd{padding:16px 18px 20px}
.card .k{font:700 12px var(--font-body);letter-spacing:.06em;text-transform:uppercase;color:#4b3fb0;margin-bottom:6px}
.card h3{margin:0 0 8px;font-size:18px;line-height:1.35}
.card p{margin:0;font-size:15px;line-height:1.55;color:var(--muted)}
.card .d{margin-top:10px;font-size:13px;color:var(--muted)}

/* HOME + CATEGORY */
.home-hero{display:grid;gap:28px;padding:40px 0;grid-template-columns:1fr}
@media(min-width:900px){.home-hero{grid-template-columns:1.05fr 1fr;align-items:center;padding:56px 0}}
.home-hero .lead{font-size:19px;color:var(--muted);margin:0 0 22px;max-width:34em}
.home-hero .acts{display:flex;flex-wrap:wrap;gap:12px}
.hero-feature{display:block;border-radius:16px;overflow:hidden;position:relative;aspect-ratio:16/10;background:var(--ink);color:#fff;text-decoration:none}
.hero-feature img{width:100%;height:100%;object-fit:cover}
.hero-feature .cap{position:absolute;inset:auto 0 0 0;padding:48px 20px 18px;background:linear-gradient(transparent,rgba(26,32,44,.88))}
.hero-feature .cap b{display:block;font:700 20px/1.3 var(--font-head)}
.hero-feature .cap span{font-size:13px;opacity:.9}
.sec{padding:36px 0}.sec.soft{background:var(--soft)}
.sec-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:20px}
.sec-head h2{margin:0;font-size:26px}
.sec-head a{font-weight:600;font-size:15px}
.entry-points{display:grid;gap:16px;grid-template-columns:repeat(2,1fr)}
@media(min-width:900px){.entry-points{grid-template-columns:repeat(4,1fr)}}
.ep{display:block;position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:4/3;background:var(--ink);text-decoration:none;color:#fff}
.ep img{width:100%;height:100%;object-fit:cover}
.ep .cap{position:absolute;inset:auto 0 0 0;padding:34px 14px 12px;background:linear-gradient(transparent,rgba(26,32,44,.88));font:600 16px var(--font-head)}
.ep:hover img{transform:scale(1.03);transition:transform .3s}
.chero{display:grid;grid-template-columns:1fr 1fr;gap:0;margin:8px 0 24px;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--tint)}
.chero--plain{grid-template-columns:1fr}
.ch-txt{display:flex;flex-direction:column;justify-content:center;gap:10px;padding:32px 36px}
.ch-txt h1{margin:0;color:var(--ink)}
.ch-txt p{margin:0;max-width:34em;font-size:17px;line-height:1.6;color:var(--muted)}
.ch-count{font:600 13px var(--font-body);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.ch-img{min-height:240px;background:#edf2f7}
.ch-img img{display:block;width:100%;height:100%;object-fit:cover}
@media(max-width:800px){.chero{grid-template-columns:1fr}.ch-img{order:-1;aspect-ratio:16/9;min-height:0}.ch-txt{padding:22px 20px 24px}}
.sform{display:flex;gap:10px;max-width:560px;margin:16px 0 0}
.sform input{flex:1;min-width:0;height:48px;border:1px solid #cbd5e0;border-radius:24px;padding:0 20px;font:16px var(--font-body);background:#fff}
.search-header .q{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.tcards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.tcard{display:grid;grid-template-columns:44% 1fr;align-items:stretch;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;color:var(--ink);text-decoration:none;transition:box-shadow .15s,border-color .15s}
.tcard:hover{border-color:var(--brand-b);box-shadow:0 6px 18px rgba(148,134,247,.18)}
.tcard .ph{display:block;background:#edf2f7;min-height:130px}.tcard .ph img{display:block;width:100%;height:100%;object-fit:cover}
.tcard .bd{display:flex;flex-direction:column;justify-content:center;gap:4px;padding:16px 20px}
.tcard b{font:600 19px/1.3 var(--font-head)}.tcard small{font-size:14px;color:var(--muted)}
@media(max-width:640px){.tcards{grid-template-columns:1fr}}
.author-box--page{margin:8px 0 32px}.author-box--page h1{margin:0 0 6px;font-size:28px}
.subcats{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 32px}
.subcats a{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border:1px solid var(--line);border-radius:999px;color:var(--ink);text-decoration:none;font:600 15px var(--font-body);background:#fff}
.subcats a:hover,.subcats a[aria-current="true"]{border-color:var(--brand-b);background:var(--tint)}

/* 404 */
.nf{text-align:center;padding:56px 0 40px}
.nf .code{font:700 88px/1 var(--font-head);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin:0}
.nf form{display:flex;gap:10px;max-width:520px;margin:24px auto}
.nf input{flex:1;height:48px;border:1px solid #cbd5e0;border-radius:24px;padding:0 20px;font:16px var(--font-body)}
.nf .sugg{max-width:560px;margin:0 auto 28px;text-align:left;background:var(--tint);border-radius:12px;padding:14px 20px;font-size:16px}
.nf .sugg b{display:block;margin-bottom:4px;color:var(--ink)}

/* FOOTER */
.footer{background:#fff;border-top:1px solid var(--line);margin-top:0}
.footer-cols{display:grid;gap:28px;padding:44px 20px 32px;max-width:var(--wrap);margin:0 auto;grid-template-columns:1fr}
@media(min-width:768px){.footer-cols{grid-template-columns:1fr 1fr 1.2fr}}
.footer h2{margin:0 0 14px;font:700 14px var(--font-head);letter-spacing:.06em;text-transform:uppercase;color:var(--ink)}
.footer ul{list-style:none;margin:0;padding:0}
.footer li a{display:inline-flex;align-items:center;min-height:36px;color:var(--muted);text-decoration:none;font-size:16px}
.footer li a:hover{color:var(--link-hover);text-decoration:underline}
.social{display:flex;flex-wrap:wrap;gap:10px}
.social a{width:44px;height:44px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--ink);text-decoration:none}
.social a:hover{border-color:var(--brand-b);background:var(--tint)}
.social svg{width:20px;height:20px}
.footer-bar{border-top:1px solid var(--line);background:var(--soft)}
.footer-bar .wrap{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;align-items:center;min-height:68px;padding-top:8px;padding-bottom:8px}
.fb-btn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 16px;border:1px solid #cbd5e0;border-radius:999px;background:#fff;color:var(--ink);font:500 15px var(--font-body);cursor:pointer}
.fb-btn:hover{border-color:var(--brand-b);background:var(--tint)}
.fb-btn svg{width:18px;height:18px}
.fb-btn b{font-weight:700}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ===== Theme additions (M1) ===== */
[hidden]{display:none!important}
.entry-content img,.entry-content video,.entry-content iframe{max-width:100%}
.prose img{height:auto;border-radius:10px}
.prose figure{margin:1.4em 0}
.prose .wp-block-table table{width:100%}
.prose .wp-block-table{overflow-x:auto}
.prose h2,.prose h3{scroll-margin-top:16px}

/* page layouts: tool/hub bring their own CSS, so the column is wide and typography is untouched */
.page-wrap{padding-bottom:48px}
.page-wrap--standard{max-width:800px}
.page-wrap--wide{max-width:880px}
.page-wrap--tool{max-width:1240px}
.page-article .entry-header{margin:8px 0 18px}
.page-article .entry-title{margin:0}
.archive-header{padding:12px 0 22px}
.archive-header h1{margin:0}

/* breadcrumb markup produced by Aiper SEO (nested spans, " / " separators) */
.crumbs span{display:inline}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--link-hover)}
.crumbs strong,.crumbs .breadcrumb_last{font-weight:500;color:var(--ink)}
.pills{margin:0 0 4px}
.byline .author-link{color:var(--ink);text-decoration:none}
.byline .by{display:inline-flex;align-items:center}
.byline .av,.byline .av-img{width:28px;height:28px;border-radius:50%;margin-right:8px;object-fit:cover}
.author-box .av-img{width:64px;height:64px;border-radius:50%;object-fit:cover}
.author-box h2 a{color:var(--ink);text-decoration:none}
.art-right{display:none}
.hero-img img{display:block}

/* pagination */
.pager{padding:36px 0 48px}
.pager ul{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;list-style:none;margin:0;padding:0}
.pager a,.pager span{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:0 14px;border:1px solid var(--line);border-radius:8px;color:var(--ink);text-decoration:none;font-weight:600;font-size:15px;background:#fff}
.pager a:hover{border-color:var(--brand-b);background:var(--tint)}
.pager .current{background:var(--grad);border-color:transparent}

/* pop-ups */
.pop--narrow{width:min(420px,calc(100vw - 24px))}
.pop-list--one{grid-template-columns:1fr;margin-top:16px}
.sec{padding:36px 0}

/* social list in the footer */
.footer ul.social{display:flex;flex-wrap:wrap;gap:10px;margin:0;padding:0}
.footer .social a{width:44px;height:44px;min-height:44px;font-size:0}
.footer-cols nav h2,.footer-cols>div h2{margin-bottom:14px}

/* mobile search: the icon opens a full-width row under the Topbar */
@media(max-width:1023px){
  .topbar{position:relative}
  .topbar .tb-search{position:absolute;left:0;right:0;top:100%;z-index:30;background:#fff;padding:10px 12px;border-bottom:1px solid var(--line);box-shadow:0 10px 24px rgba(26,32,44,.10)}
  .topbar.search-open .tb-search{display:block}
  .tb-search input{height:44px}
  .tb-search button{right:16px;top:12px;width:40px;height:40px}
}

/* mobile drawer (<dialog>) */
.drawer{margin:0 0 0 auto;padding:0;border:0;width:min(380px,100vw);height:100%;max-height:100%;background:#fff;color:var(--ink);box-shadow:-16px 0 40px rgba(26,32,44,.22)}
.drawer::backdrop{background:rgba(26,32,44,.45)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:8px 8px 8px 20px;border-bottom:1px solid var(--line)}
.drawer-title{font:700 18px var(--font-head)}
.drawer-list{list-style:none;margin:0;padding:8px 12px 28px}
.drawer-list > li{border-bottom:1px solid var(--line)}
.drawer-list summary,.drawer-link{display:flex;align-items:center;justify-content:space-between;min-height:52px;padding:0 8px;font:600 17px var(--font-body);color:var(--ink);text-decoration:none;cursor:pointer;list-style:none}
.drawer-list summary::-webkit-details-marker{display:none}
.drawer-list summary svg{width:14px;height:14px;transition:transform .15s}
.drawer-list details[open] summary svg{transform:rotate(180deg)}
.drawer-list ul{list-style:none;margin:0;padding:0 8px 12px}
.drawer-list ul a{display:block;padding:9px 0;color:var(--muted);text-decoration:none;font-size:16px}
.drawer-list ul a.all{color:var(--link);font-weight:700}
@media(min-width:1024px){.drawer{display:none}}

/* The burger is hidden by default and shown below 1024px. This rule must come after the base .burger rule above. */
@media(max-width:1023px){.burger{display:inline-flex}}

/* Article grid: TOC slot sits after the article in the DOM and in the left column from 1440px; below that it takes no space
   (Reader's list is a fixed bottom drawer there). */
.art-grid{row-gap:0}
.toc-slot{display:block;height:0}
.article{min-width:0}
@media(min-width:1440px){
  .toc-slot{height:auto;grid-column:1;grid-row:1;position:static;max-height:none;overflow:visible}
  .article{grid-column:2;grid-row:1}
  .art-right{display:block;grid-column:3;grid-row:1}
}

/* Google preferred-source badge (was Snippet #89) */
.aiper-google-source-cta{margin:2.5rem 0 1.5rem;padding:1.25rem 1.5rem;background:var(--soft);border:1px solid var(--line);border-left:4px solid var(--brand-b);border-radius:10px;display:flex;align-items:center;justify-content:space-between;gap:1.5rem;min-height:93px}
.aiper-google-source-caption{margin:0;flex:1;font-size:.95rem;font-weight:600;line-height:1.45;color:var(--text)}
.aiper-google-source-cta a{flex:none;display:block;line-height:0;transition:transform .2s ease;background:none;padding:0}
.aiper-google-source-cta a:hover{transform:translateY(-1px)}
.aiper-google-source-badge{display:block;width:169px;height:53px}
@media(max-width:600px){.aiper-google-source-cta{flex-direction:column;align-items:flex-start;gap:1rem;padding:1.25rem}}

/* Page layouts added after the M3 regression scan */
.page-wrap--video{max-width:1240px}
.page-wrap--guide{max-width:1000px}
/* Form controls inherit the page font like they did under the old theme (tool pages rely on it) */
button,input,select,textarea,optgroup{font:inherit;color:inherit;margin:0}
button,[type=button],[type=submit]{letter-spacing:inherit}
.search-header{padding-top:28px}
.av-brand{background:#fff;border:1px solid var(--line);box-sizing:border-box}