/* ================================================================
   article.css: long-form articles (whitepaper, blog posts).
   One reading column, a header band, wide figures that break out of
   the column, and the contents rail from docs.js beside the text.
   Loaded after the site's own sheets, scoped to body.a2.
   ================================================================ */
body.a2{
  --a-bg:#08090b;--a-bg2:#101114;--a-bg3:#17181c;
  --a-ink:#f4f5f7;--a-t2:#c9cdd4;--a-t3:#8b9099;--a-t4:#5f646d;
  --a-line:rgba(255,255,255,.08);--a-acc:#36a9e1;--a-acc-ink:#05131c;
  --a-glow:rgba(54,169,225,.16);
  --a-col:680px;--a-rail:220px;--a-gap:100px;--a-wide:calc(var(--a-col) + var(--a-gap) + var(--a-rail));
  background:var(--a-bg);color:var(--a-t2);
  font-family:Inter,system-ui,-apple-system,sans-serif;
  font-feature-settings:'cv11','ss01';
}
:root[data-theme="light"] body.a2{
  --a-bg:#ffffff;--a-bg2:#f5f6f8;--a-bg3:#eceef1;
  --a-ink:#0b0c0f;--a-t2:#33373e;--a-t3:#6b7079;--a-t4:#9a9fa7;
  --a-line:rgba(10,12,16,.09);--a-acc:#1186c4;--a-acc-ink:#ffffff;
  --a-glow:rgba(17,134,196,.12);
}
body.a2 main{background:var(--a-bg)}
body.a2 main h1,body.a2 main h2,body.a2 main h3,body.a2 main h4{font-family:Inter,system-ui,-apple-system,sans-serif}
body.a2 .a2-body .tablewrap .cmp,body.a2 .a2-body table{border:0;border-radius:0;background:none;margin:0;font-size:15px}
body.a2 .a2-body .cmp thead{background:none}
body.a2 .a2-body .cmp th,body.a2 .a2-body .cmp td{border-left:0;border-right:0;border-bottom:0}

/* ---------------------------------------------------------- header band */
.a2-hero{position:relative;overflow:hidden;isolation:isolate;padding:64px 32px 72px}
.a2-hero::before{content:'';position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:radial-gradient(60% 90% at 12% 0%,var(--a-glow),transparent 70%)}
.a2-hero .in{max-width:var(--a-wide);margin:0 auto}
.a2-crumb{display:flex;gap:10px;align-items:center;font-size:14px;color:var(--a-t3);margin-bottom:64px}
.a2-crumb a{color:var(--a-t3)}
.a2-crumb a:hover{color:var(--a-ink)}
.a2-crumb span[aria-current]{color:var(--a-t2)}
.a2-crumb i{width:6px;height:6px;border:solid var(--a-t4);border-width:1.5px 1.5px 0 0;transform:rotate(45deg);display:inline-block;margin:0 2px}
.a2-hero .col{max-width:var(--a-col)}
.a2-kicker{font-size:14px;font-weight:500;color:var(--a-acc);letter-spacing:.01em}
.a2-hero h1{font-size:clamp(38px,5.2vw,64px);line-height:1.04;letter-spacing:-.035em;font-weight:600;
  color:var(--a-ink);margin:16px 0 24px;font-variation-settings:'opsz' 32;text-wrap:balance}
.a2-dek{font-size:clamp(18px,1.6vw,21px);line-height:1.55;color:var(--a-t2);max-width:36em;text-wrap:pretty}
.a2-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px;margin-top:40px;font-size:14px;color:var(--a-t3)}
.a2-meta b{color:var(--a-ink);font-weight:500}
.a2-meta .alt{margin-left:auto}
.a2-meta .alt a{color:var(--a-acc)}

/* ---------------------------------------------------------- wide figures */
.a2-fig{max-width:calc(var(--a-wide) + 64px);margin:0 auto;padding:0 32px}
.a2-fig .frame{background:var(--a-bg2);border-radius:24px;padding:40px;overflow:hidden}
.a2-fig figcaption{max-width:var(--a-wide);margin:14px auto 0;font-size:13.5px;color:var(--a-t3);text-align:center}
.a2-fig img{display:block;width:100%;height:auto;border-radius:16px}
.a2-cover{margin-top:0}
.a2-cover .frame{padding:0;background:none}

/* the E2EE v2 stack diagram */
.stack{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;position:relative}
.stack::before{content:'';position:absolute;left:8%;right:8%;top:41px;height:1px;background:var(--a-line)}
.stack .s{position:relative;display:flex;flex-direction:column;align-items:flex-start}
.stack .n{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-size:12.5px;font-weight:600;
  background:var(--a-bg);color:var(--a-t3);margin:28px 0 22px;position:relative}
.stack .s.pq .n{background:var(--a-acc);color:var(--a-acc-ink)}
.stack b{display:block;font-size:17px;font-weight:600;color:var(--a-ink);letter-spacing:-.01em}
.stack span{display:block;font-size:13.5px;line-height:1.5;color:var(--a-t3);margin-top:6px}
.stack .s em{font-style:normal;display:inline-block;margin-top:14px;font-size:12px;font-weight:500;color:var(--a-acc)}
.stack-top{display:flex;justify-content:space-between;align-items:baseline;gap:20px;flex-wrap:wrap}
.stack-top h4{font-size:15px;font-weight:600;color:var(--a-ink)}
.stack-top span{font-size:13px;color:var(--a-t3)}
.stack-top span i{display:none}

/* ---------------------------------------------------------- body + rail */
.a2-grid{max-width:calc(var(--a-wide) + 64px);margin:0 auto;padding:96px 32px 40px;
  display:grid;grid-template-columns:minmax(0,var(--a-col)) var(--a-rail);gap:var(--a-gap);justify-content:space-between}
body.a2 .a2-body{min-width:0}
body.a2 .a2-body>*:first-child{margin-top:0}
body.a2 .a2-body p,body.a2 .a2-body li{font-size:18px;line-height:1.75;color:var(--a-t2)}
body.a2 .a2-body p{margin:0 0 24px}
body.a2 .a2-body strong{color:var(--a-ink);font-weight:600}
body.a2 .a2-body em{font-style:italic}
body.a2 .a2-body a:not(.btn){color:var(--a-ink);text-decoration:underline;text-decoration-color:var(--a-acc);
  text-decoration-thickness:1.5px;text-underline-offset:3px}
body.a2 .a2-body a:not(.btn):hover{color:var(--a-acc)}
body.a2 .a2-body h2{font-size:clamp(26px,2.4vw,32px);line-height:1.15;letter-spacing:-.025em;font-weight:600;
  color:var(--a-ink);margin:80px 0 20px;scroll-margin-top:96px;text-wrap:balance}
body.a2 .a2-body h3{font-size:20px;line-height:1.3;letter-spacing:-.015em;font-weight:600;color:var(--a-ink);margin:44px 0 12px}
body.a2 .a2-body ul,body.a2 .a2-body ol{margin:0 0 26px;padding:0;list-style:none}
body.a2 .a2-body li{position:relative;padding-left:26px;margin-bottom:12px}
body.a2 .a2-body ul li::before{content:'';position:absolute;left:6px;top:.8em;width:5px;height:5px;border-radius:50%;background:var(--a-t3)}
body.a2 .a2-body code{font:500 .86em/1 ui-monospace,'SF Mono',Consolas,monospace;color:var(--a-ink);background:var(--a-bg3);
  padding:3px 6px;border-radius:6px;word-break:break-word}
body.a2 .a2-body .lede{font-size:21px;line-height:1.6;color:var(--a-ink)}

/* tables run a little wider than the text column */
body.a2 .a2-body .tablewrap{margin:36px 0 40px;overflow-x:auto;border-radius:0;background:none;border-top:1px solid var(--a-ink)}
body.a2 .a2-body table{width:100%;border-collapse:collapse;font-size:15px;line-height:1.5}
body.a2 .a2-body th{font-size:12.5px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--a-t3);
  text-align:left;padding:16px 20px 14px 0;background:none}
body.a2 .a2-body td{padding:16px 20px 16px 0;color:var(--a-t2);vertical-align:top;border-top:1px solid var(--a-line)}
body.a2 .a2-body tr:last-child td{border-bottom:1px solid var(--a-line)}
body.a2 .a2-body td:first-child{color:var(--a-ink);font-weight:500}
body.a2 .a2-body td.y{color:var(--a-ink);font-weight:500}
body.a2 .a2-body td.y::before,body.a2 .a2-body td::before{display:none}
body.a2 .a2-body td.no,body.a2 .a2-body td.part,body.a2 .a2-body td.yes{color:var(--a-t2)}
body.a2 .a2-body td code{font-size:13px}

/* code, formulas and wire layouts */
body.a2 .a2-body .codeblock{margin:30px 0 32px;background:var(--a-bg2);border:0;border-radius:18px;padding:24px 26px;
  font:14px/1.85 ui-monospace,'SF Mono',Consolas,monospace;color:var(--a-ink);overflow-x:auto;white-space:normal}
body.a2 .a2-body .codeblock .cap{display:block;font:600 11.5px/1 Inter,sans-serif;letter-spacing:.08em;text-transform:uppercase;
  color:var(--a-t3);margin:0 0 16px;padding:0;background:none;border:0}

/* notes */
body.a2 .a2-body .cx,body.a2 .a2-body .callout,body.a2 .a2-body .keypoints{margin:32px 0;padding:24px 26px;border-radius:18px;background:var(--a-bg2);border:0;
  font-size:16.5px;line-height:1.7;color:var(--a-t2);display:block}
body.a2 .a2-body .cx::before{display:none}
body.a2 .a2-body .cx strong,body.a2 .a2-body .callout strong{color:var(--a-ink)}
body.a2 .a2-body .callout p{font-size:16.5px;margin:0}
body.a2 .a2-body .keypoints h4{font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--a-t3);margin:0 0 14px}
body.a2 .a2-body .keypoints ul{margin:0}
body.a2 .a2-body .keypoints li{font-size:16.5px;margin-bottom:10px}

/* the contents rail injected by docs.js sits in the grid's second column:
   a plain label, short entries, one thin marker. No caps, no counter, no extras. */
body.a2 .docrail.inflow{top:104px;padding:0}
body.a2 .docrail .railhead{font-size:13px;font-weight:600;letter-spacing:0;text-transform:none;color:var(--a-ink);padding:0 0 14px 16px}
body.a2 .docrail .railpct,body.a2 .docrail .railfill,body.a2 .docrail .railfoot{display:none}
body.a2 .raillist::before{top:0;bottom:0;background:var(--a-line)}
body.a2 .railthumb{width:2px;left:0;background:var(--a-acc);box-shadow:none;border-radius:2px}
body.a2 .docrail li a{font-size:13.5px;line-height:1.45;padding:6px 0 6px 16px;color:var(--a-t3);border-radius:0;background:none}
body.a2 .docrail li a:hover{color:var(--a-ink);background:none}
body.a2 .docrail li a.read{color:var(--a-t3);opacity:1}
body.a2 .docrail li a.on{color:var(--a-ink)}

/* ---------------------------------------------------------- end of article */
.a2-end{max-width:calc(var(--a-wide) + 64px);margin:0 auto;padding:40px 32px 120px}
.a2-end .inner{max-width:var(--a-col)}
.a2-next{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:40px}
.a2-next a{display:block;padding:22px 24px;border-radius:18px;background:var(--a-bg2);transition:background .2s}
.a2-next a:hover{background:var(--a-bg3)}
.a2-next small{display:block;font-size:13px;color:var(--a-t3)}
.a2-next b{display:block;margin-top:6px;font-size:17px;font-weight:600;color:var(--a-ink);letter-spacing:-.01em}
.a2-by{display:flex;align-items:center;gap:14px;padding-top:28px;border-top:1px solid var(--a-line);font-size:14.5px;color:var(--a-t3)}
.a2-by img{width:40px;height:40px;border-radius:12px}
.a2-by b{display:block;color:var(--a-ink);font-weight:600}

/* ---------------------------------------------------------- sealed sender figure */
.a2-cover .frame.seal{background:var(--a-bg2);padding:48px}
.seal-row{display:grid;grid-template-columns:1fr 56px 1.25fr 56px 1fr;align-items:center}
.seal-node{display:flex;flex-direction:column;gap:6px}
.seal-node small{font-size:13px;font-weight:500;color:var(--a-t3)}
.seal-node b{font-size:19px;font-weight:600;letter-spacing:-.01em;color:var(--a-ink)}
.seal-node span{font-size:14px;line-height:1.5;color:var(--a-t3)}
.seal-node.mid{background:var(--a-bg);border-radius:18px;padding:24px 26px}
.seal-node ul{list-style:none;margin:10px 0 0;padding:0;display:grid;gap:9px}
.seal-node li{font-size:14px;line-height:1.4;color:var(--a-t2);padding-left:26px;position:relative}
.seal-node li::before{content:'';position:absolute;left:0;top:1px;width:16px;height:16px;background:currentColor;
  -webkit-mask:var(--m) center/contain no-repeat;mask:var(--m) center/contain no-repeat}
.seal-node li.y::before{color:var(--a-t3);--m:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2.5 12s3.5-6.5 9.5-6.5 9.5 6.5 9.5 6.5-3.5 6.5-9.5 6.5S2.5 12 2.5 12Z'/%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3C/svg%3E")}
.seal-node li.n{color:var(--a-ink);font-weight:500}
.seal-node li.n::before{color:var(--a-acc);--m:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='4.5' y='10.5' width='15' height='10' rx='2.5'/%3E%3Cpath d='M8 10.5V7.5a4 4 0 0 1 8 0v3'/%3E%3C/svg%3E")}
.seal-line{height:1px;background:var(--a-t4);opacity:.5;margin:0 14px}
[dir="rtl"] .seal-node li{padding-left:0;padding-right:26px}
[dir="rtl"] .seal-node li::before{left:auto;right:0}
@media (max-width:900px){
  .seal-row{grid-template-columns:1fr;gap:0}
  .seal-line{width:1px;height:28px;margin:10px 0 10px 24px}
}

/* closing call to action: one quiet panel in the article's own colours */
body.a2 .blogcta{display:block;width:min(var(--a-wide),calc(100% - 64px));margin:0 auto 120px;padding:72px 32px;
  background:var(--a-bg2);border:0;border-radius:28px;text-align:center;box-shadow:none;overflow:hidden}
body.a2 .blogcta::before,body.a2 .blogcta::after,body.a2 .blogcta h2::before,body.a2 .blogcta h2::after{display:none}
body.a2 .blogcta h2{display:block;font:600 clamp(28px,3vw,40px)/1.15 Inter,system-ui,sans-serif;letter-spacing:-.03em;color:var(--a-ink);margin:0;text-align:center}
body.a2 .blogcta p{max-width:540px;margin:16px auto 0;font-size:17px;line-height:1.6;color:var(--a-t2)}
body.a2 .blogcta .row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:32px 0 0}
body.a2 .blogcta .btn{height:48px;padding:0 24px;border-radius:14px;font:600 15px/48px Inter,system-ui,sans-serif;box-shadow:none;border:0;
  display:inline-flex;align-items:center}
body.a2 .blogcta .btn.pri{background:var(--a-ink);color:var(--a-bg)}
body.a2 .blogcta .btn.sec{background:var(--a-bg);color:var(--a-ink)}
body.a2 .blogcta .btn:hover{transform:none;box-shadow:none;opacity:.88}
@media (max-width:640px){body.a2 .blogcta{width:calc(100% - 40px);padding:48px 22px;margin-bottom:80px;border-radius:24px}}

/* ---------------------------------------------------------- blog index */
body.hubpage .bloghead,body.hubpage .latest{display:none}
.a2-hero.hub{padding-bottom:56px}
.a2-hero.hub h1{margin-bottom:20px}
.hub-wrap{max-width:calc(var(--a-wide) + 64px);margin:0 auto;padding:0 32px 140px}

.hub-feat{display:grid;grid-template-columns:1.25fr 1fr;gap:56px;align-items:center;color:inherit}
.hub-feat .img{display:block;border-radius:24px;overflow:hidden;background:var(--a-bg2);aspect-ratio:16/11}
.hub-feat .img img{width:100%;height:100%;object-fit:cover;object-position:50% 30%;display:block;
  transition:transform .6s cubic-bezier(.2,.8,.2,1)}
.hub-feat:hover .img img{transform:scale(1.025)}
.hub-feat h2{font-size:clamp(28px,2.8vw,38px);line-height:1.12;letter-spacing:-.03em;font-weight:600;color:var(--a-ink);
  margin:14px 0 16px;text-wrap:balance}
.hub-feat p{font-size:17px;line-height:1.6;color:var(--a-t2);margin:0}
.hub-feat .cardmeta{display:flex;align-items:center;gap:20px;margin-top:28px;font-size:14px;color:var(--a-t3)}
.hub-feat .go{color:var(--a-acc);font-weight:500}
.hub-feat:hover .go{text-decoration:underline;text-underline-offset:3px}

body.a2 .tags{font-size:13px;font-weight:500;color:var(--a-t3);letter-spacing:0;text-transform:none;display:block}

.hub-bar{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin:120px 0 32px;padding-top:28px;border-top:1px solid var(--a-line)}
.hub-h{font-size:24px;font-weight:600;letter-spacing:-.02em;color:var(--a-ink);margin:0}
body.hubpage .hub-bar .chips{display:flex;gap:4px;flex-wrap:wrap;background:var(--a-bg2);padding:4px;border-radius:12px}
body.hubpage .hub-bar .chip{font:500 14px/1 Inter,system-ui,sans-serif;color:var(--a-t3);background:none;border:0;
  border-radius:9px;padding:9px 14px;cursor:pointer;box-shadow:none;transition:color .2s,background .2s}
body.hubpage .hub-bar .chip:hover{color:var(--a-ink)}
body.hubpage .hub-bar .chip[aria-pressed="true"]{color:var(--a-ink);background:var(--a-bg)}
:root[data-theme="light"] body.hubpage .hub-bar .chip[aria-pressed="true"]{box-shadow:0 1px 2px rgba(10,12,16,.08)}

body.hubpage .postgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:56px 32px}
body.hubpage .post{display:flex;flex-direction:column;color:inherit;background:none;border:0;border-radius:0;box-shadow:none;padding:0;transform:none}
body.hubpage .post:hover{background:none;border:0;box-shadow:none;transform:none}
body.hubpage .post .cover{display:grid;place-items:center;position:relative;aspect-ratio:16/10;border-radius:20px;overflow:hidden;
  background:var(--a-bg2);color:var(--a-ink);margin:0 0 20px;padding:0;border:0}
body.hubpage .post .cover::before,body.hubpage .post .cover::after{display:none}
body.hubpage .post .body{display:block;padding:0}
body.hubpage .post h3{font-size:20px;line-height:1.3;letter-spacing:-.015em;font-weight:600;color:var(--a-ink);margin:8px 0 10px;text-wrap:balance}
body.hubpage .post p{font-size:15.5px;line-height:1.6;color:var(--a-t2);margin:0}
body.hubpage .post .cardmeta{display:block;margin-top:14px;font-size:13.5px;color:var(--a-t3)}
body.hubpage .post:hover h3{color:var(--a-acc)}
body.hubpage .post .cover>*{transition:transform .6s cubic-bezier(.2,.8,.2,1)}
body.hubpage .post:hover .cover>*{transform:scale(1.04)}
body.hubpage .noresults{display:none;text-align:center;padding:60px 0;color:var(--a-t3);font-size:15px}
body.hubpage .noresults.on{display:block}
body.hubpage .noresults button{margin-top:12px;font:500 14px Inter,sans-serif;color:var(--a-acc);background:none;border:0;cursor:pointer}

body.hubpage .tags span{border:0;padding:0;background:none;border-radius:0;font:inherit;color:inherit}
body.hubpage .post .cover svg{filter:none}
.hub-feat .img img,.cover.photo img{object-fit:contain;padding:28px 24px 0;object-position:50% 100%;box-sizing:border-box}
.cover.photo img{padding:18px 16px 0}
/* covers drawn from the articles' own content */
.cover.photo img{width:100%;height:100%;object-fit:cover;object-position:50% 25%;display:block}
.cover.cv-icon svg{width:72px;height:72px;color:var(--a-ink)}
.cover.cv-logo svg{width:84px;height:84px}
.cv-stack{gap:16px;align-content:center}
.cv-stack .row,.cv-stack .lbl{display:grid;grid-template-columns:repeat(6,40px);gap:10px;justify-content:center}
.cv-stack .row{position:relative}
.cv-stack .row::before{content:'';position:absolute;left:20px;right:20px;top:50%;height:1px;background:var(--a-t4);opacity:.5}
.cv-stack i{position:relative;width:28px;height:28px;margin:0 auto;border-radius:50%;display:grid;place-items:center;font:600 12px/1 Inter,sans-serif;
  font-style:normal;background:var(--a-bg);color:var(--a-t3)}
.cv-stack i.pq{background:var(--a-acc);color:var(--a-acc-ink)}
.cv-stack .lbl b{font-size:10.5px;font-weight:500;color:var(--a-t3);text-align:center}
.cv-seal .card{display:grid;gap:9px;background:var(--a-bg);border-radius:14px;padding:18px 22px;min-width:58%}
.cv-seal b{font-size:13.5px;font-weight:500;padding-left:24px;position:relative;color:var(--a-t3)}
.cv-seal b.n{color:var(--a-ink)}
.cv-seal b::before{content:'';position:absolute;left:0;top:1px;width:15px;height:15px;background:currentColor;
  -webkit-mask:var(--m) center/contain no-repeat;mask:var(--m) center/contain no-repeat}
.cv-seal b.y::before{--m:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2.5 12s3.5-6.5 9.5-6.5 9.5 6.5 9.5 6.5-3.5 6.5-9.5 6.5S2.5 12 2.5 12Z'/%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3C/svg%3E")}
.cv-seal b.n::before{color:var(--a-acc);--m:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='4.5' y='10.5' width='15' height='10' rx='2.5'/%3E%3Cpath d='M8 10.5V7.5a4 4 0 0 1 8 0v3'/%3E%3C/svg%3E")}

@media (max-width:1100px){
  .hub-wrap{max-width:calc(var(--a-col) + 64px)}
  .hub-feat{grid-template-columns:1fr;gap:28px}
  body.hubpage .postgrid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .hub-wrap{padding:0 20px 100px}
  .hub-bar{margin-top:80px}
  body.hubpage .hub-bar .chips{flex-wrap:nowrap;overflow-x:auto;max-width:100%;scrollbar-width:none}
  body.hubpage .hub-bar .chip{white-space:nowrap}
  body.hubpage .postgrid{grid-template-columns:1fr;gap:44px}
}

/* ---------------------------------------------------------- guides */
/* a guide is one short section, so the right column lists the guides instead of headings */
.guiderail{position:sticky;top:104px;align-self:start;font-size:13.5px}
.guiderail .railhead{font-size:13px;font-weight:600;color:var(--a-ink);margin:0;padding:0 0 14px 16px}
.guiderail ul{list-style:none;margin:0;padding:0;border-left:1px solid var(--a-line)}
.guiderail li a{display:block;position:relative;padding:6px 0 6px 16px;line-height:1.45;color:var(--a-t3);transition:color .2s}
.guiderail li a:hover{color:var(--a-ink)}
.guiderail li a.on{color:var(--a-ink);font-weight:500}
.guiderail li a.on::before{content:'';position:absolute;left:-1px;top:6px;bottom:6px;width:2px;border-radius:2px;background:var(--a-acc)}
.guiderail .railmore{display:flex;flex-direction:column;gap:2px;margin:28px 0 0;padding:0 0 0 16px}
.guiderail .railmore a{padding:4px 0;color:var(--a-t3)}
.guiderail .railmore a:hover{color:var(--a-ink)}
body.guidepage .a2-hero h1{scroll-margin-top:110px}

body.a2 .a2-body .steps{counter-reset:st;margin:36px 0 40px}
body.a2 .a2-body .step{position:relative;counter-increment:st;padding:0 0 0 52px;margin:0 0 28px}
body.a2 .a2-body .step::before{content:counter(st);position:absolute;left:0;top:-2px;width:32px;height:32px;border-radius:10px;
  display:grid;place-items:center;background:var(--a-bg2);color:var(--a-ink);font:600 14px/1 Inter,system-ui,sans-serif}
body.a2 .a2-body .step::after{display:none}
body.a2 .a2-body .step::before{border:0;box-shadow:none;outline:0}
body.a2 .a2-body .step h3{font-size:18px;margin:0 0 6px;padding-top:2px}
body.guidepage .a2-grid{padding-top:8px}
body.a2 .a2-body .step p{font-size:17px;margin:0;max-width:none;color:var(--a-t2)}
body.a2 .a2-body .pill{display:inline;background:none;border:0;padding:0;border-radius:0;font:inherit;letter-spacing:0;text-transform:none;color:var(--a-t2)}
body.a2 .a2-body .pill::before{display:none}
body.a2 .a2-body .pill.yes{color:var(--a-ink);font-weight:500}
body.a2 .a2-body p.note{margin:56px 0 0;padding-top:24px;border-top:1px solid var(--a-line);font-size:15px;line-height:1.9;color:var(--a-t3)}
body.a2 .a2-body p.note a{color:var(--a-t2)}

/* guides index: numbered cards, flat, no rims */
.gridg{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.gridg.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.gcard{display:flex;flex-direction:column;padding:28px 28px 30px;border-radius:22px;background:var(--a-bg2);color:inherit;transition:background .2s}
.gcard:hover{background:var(--a-bg3)}
.gcard .num{font:600 13px/1 Inter,system-ui,sans-serif;color:var(--a-acc);letter-spacing:.02em}
.gcard h3{font-size:19px;line-height:1.3;letter-spacing:-.015em;font-weight:600;color:var(--a-ink);margin:18px 0 8px;text-wrap:balance}
.gcard p{font-size:15px;line-height:1.6;color:var(--a-t2);margin:0}
.gcard.small{padding:24px 24px 26px}
.gcard.small h3{font-size:16.5px;margin:0 0 6px}
.gcard.small p{font-size:14px}
body.guideshub .hub-wrap{padding-bottom:120px}
body.guideshub .hub-bar{margin-top:96px}

@media (max-width:1100px){
  .guiderail{display:none}
  .gridg{grid-template-columns:repeat(2,minmax(0,1fr))}
  .gridg.four{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .gridg,.gridg.four{grid-template-columns:1fr;gap:12px}
  .gcard{padding:24px}
}
[dir="rtl"] .guiderail ul{border-left:0;border-right:1px solid var(--a-line)}
[dir="rtl"] .guiderail li a{padding:6px 16px 6px 0}
[dir="rtl"] .guiderail li a.on::before{left:auto;right:-1px}

/* ---------------------------------------------------------- RTL */
[dir="rtl"] body.a2 .a2-body li{padding-left:0;padding-right:26px}
[dir="rtl"] body.a2 .a2-body ul li::before{left:auto;right:6px}
[dir="rtl"] body.a2 .a2-body th,[dir="rtl"] body.a2 .a2-body td{text-align:right;padding-left:20px;padding-right:0}
[dir="rtl"] .a2-crumb i{transform:rotate(-135deg)}
[dir="rtl"] body.a2 .a2-meta .alt{margin-left:0;margin-right:auto}
[dir="rtl"] body.a2 .a2-hero::before{background:radial-gradient(60% 90% at 88% 0%,var(--a-glow),transparent 70%)}
[dir="rtl"] body.a2 .a2-body p,[dir="rtl"] body.a2 .a2-body li{line-height:1.95}
[dir="rtl"] body.a2 bdi{direction:ltr;unicode-bidi:isolate}

/* ---------------------------------------------------------- small screens */
@media (max-width:1100px){
  .a2-grid,.a2-end{grid-template-columns:minmax(0,1fr);max-width:calc(var(--a-col) + 64px)}
  .a2-hero .in{max-width:var(--a-col)}
  .a2-fig{max-width:calc(var(--a-col) + 64px)}
  .stack{grid-template-columns:repeat(3,1fr);row-gap:10px}
  .stack::before{display:none}
}
@media (max-width:640px){
  .a2-hero{padding:36px 20px 48px}.a2-crumb{margin-bottom:40px}
  .a2-fig{padding:0 20px}.a2-fig .frame{padding:28px 24px;border-radius:20px}
  .a2-grid{padding:64px 20px 30px}.a2-end{padding:24px 20px 80px}
  body.a2 .a2-body p,body.a2 .a2-body li{font-size:17px}
  .stack{grid-template-columns:1fr 1fr}
  .a2-next{grid-template-columns:1fr}
  .a2-cover .frame.seal{padding:28px 22px}
  .a2-meta .alt{margin-left:0}
}