/* ============================================================
   Data Layer — Blog & Article styles  (extends styles.css)
   ============================================================ */

/* ---------- blog index ---------- */
.blog-hero{background:var(--mist);border-bottom:1px solid var(--line);padding:64px 0 56px;position:relative;overflow:hidden}
.blog-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(700px 360px at 82% -20%,rgba(47,99,255,.08),transparent 60%),radial-gradient(620px 320px at 4% 120%,rgba(19,168,154,.08),transparent 60%)}
.blog-hero .wrap{position:relative}
.blog-hero h1{font-size:clamp(32px,4.4vw,52px);letter-spacing:-.035em;max-width:16ch}
.blog-hero .lead{margin-top:18px;max-width:620px}

.blog-filters{display:flex;flex-wrap:wrap;gap:9px;margin-top:30px}
.bfilter{font-family:'Plus Jakarta Sans',sans-serif;font-weight:600;font-size:13.5px;color:var(--slate);background:#fff;border:1px solid var(--line);border-radius:100px;padding:9px 16px;cursor:pointer;transition:all .2s;min-height:40px}
.bfilter:hover{border-color:var(--teal);color:var(--teal-600)}
.bfilter.on{background:var(--navy);border-color:var(--navy);color:#fff}

/* featured row */
.blog-feat{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:22px;margin-bottom:34px}
.blog-feat .post-card:first-child{grid-row:span 2}

.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;text-decoration:none}
.post-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#dbe5f1}
.post-thumb{aspect-ratio:16/9;position:relative;overflow:hidden;background:linear-gradient(135deg,#11305c,#0f2c54)}
.post-thumb.t-cmp{background:linear-gradient(135deg,#0f9488,#13a89a)}
.post-thumb.t-roi{background:linear-gradient(135deg,#1f5fd0,#2f63ff)}
.post-thumb.t-ceo{background:linear-gradient(135deg,#11305c,#1b3c69)}
.post-thumb.t-sec{background:linear-gradient(135deg,#0c2447,#13315d)}
.post-thumb.t-tech{background:linear-gradient(135deg,#0f9488,#1aa0c4)}
.post-thumb::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:30px 30px}
.post-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;z-index:1}
.post-thumb .pt-ico{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.92)}
.post-thumb .pt-ico svg{width:46px;height:46px}
.post-thumb .pt-rank{position:absolute;top:12px;left:12px;z-index:2;display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.16);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.3);color:#fff;font-family:'Plus Jakarta Sans',sans-serif;font-weight:700;font-size:11px;letter-spacing:.04em;padding:5px 10px;border-radius:100px}
.post-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.post-cat{font-family:'Plus Jakarta Sans',sans-serif;font-weight:700;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--teal-600);margin-bottom:11px}
.post-card h3{font-size:19px;line-height:1.25;letter-spacing:-.02em;color:var(--navy)}
.post-card.big h3{font-size:25px}
.post-card p{color:var(--slate);font-size:14.5px;line-height:1.55;margin-top:10px;flex:1}
.post-meta{display:flex;align-items:center;gap:12px;margin-top:18px;font-size:12.5px;color:var(--slate-2);font-weight:500}
.post-meta .pm-dot{width:3px;height:3px;border-radius:50%;background:var(--slate-2)}
.post-arrow{margin-top:16px;display:inline-flex;align-items:center;gap:7px;font-family:'Plus Jakarta Sans',sans-serif;font-weight:600;font-size:14px;color:var(--teal-600)}
.post-arrow svg{width:16px;height:16px;transition:transform .25s}
.post-card:hover .post-arrow svg{transform:translateX(4px)}

/* ============================================================
   ARTICLE
   ============================================================ */
.art-wrap{max-width:760px;margin:0 auto;padding:0 32px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--slate-2);padding:26px 0 0}
.breadcrumb a{color:var(--slate);transition:color .2s}
.breadcrumb a:hover{color:var(--teal-600)}
.breadcrumb svg{width:13px;height:13px;opacity:.6}
.breadcrumb .cur{color:var(--navy);font-weight:500}

.art-head{padding:22px 0 30px}
.art-head .post-cat{margin-bottom:16px}
.art-head h1{font-size:clamp(30px,4.4vw,46px);letter-spacing:-.035em;line-height:1.08;text-wrap:balance}
.art-head .art-lead{margin-top:20px;font-size:20px;line-height:1.55;color:var(--slate);font-weight:450}
.art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:13px;margin-top:24px;padding-top:22px;border-top:1px solid var(--line);font-size:13.5px;color:var(--slate-2);font-weight:500}
.art-meta .am-author{display:flex;align-items:center;gap:10px}
.art-meta .am-ava{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#13315d,#0f2c54);display:flex;align-items:center;justify-content:center;color:#fff;font-family:'Quicksand',sans-serif;font-weight:700;font-size:14px}
.art-meta .am-author b{color:var(--navy);font-family:'Plus Jakarta Sans',sans-serif;font-weight:600;display:block;font-size:13.5px}
.art-meta .pm-dot{width:3px;height:3px;border-radius:50%;background:var(--slate-2)}

.art-cover{aspect-ratio:21/9;border-radius:var(--r-lg);overflow:hidden;position:relative;margin:8px 0 0}
.art-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.art-cover.has-img::after{display:none}
.art-cover .pt-ico{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.92)}
.art-cover .pt-ico svg{width:60px;height:60px}
.art-cover::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:34px 34px}

/* prose */
.prose{padding:44px 0 20px;font-size:17.5px;line-height:1.75;color:#26405f}
.prose>p{margin:0 0 22px}
.prose h2{font-size:28px;letter-spacing:-.025em;margin:44px 0 16px;line-height:1.2;scroll-margin-top:90px}
.prose h3{font-size:21px;letter-spacing:-.02em;margin:32px 0 12px;color:var(--navy-700)}
.prose ul,.prose ol{margin:0 0 22px;padding-left:0;list-style:none}
.prose ol{counter-reset:li}
.prose li{position:relative;padding-left:30px;margin-bottom:12px;line-height:1.6}
.prose ul li::before{content:"";position:absolute;left:6px;top:11px;width:8px;height:8px;border-radius:2px;background:var(--teal);transform:rotate(45deg)}
.prose ol li{counter-increment:li}
.prose ol li::before{content:counter(li);position:absolute;left:0;top:1px;width:22px;height:22px;border-radius:7px;background:var(--grad-soft);color:var(--teal-600);font-family:'Plus Jakarta Sans',sans-serif;font-weight:700;font-size:12px;display:flex;align-items:center;justify-content:center}
.prose strong{color:var(--navy);font-weight:600}
.prose a{color:var(--teal-600);text-decoration:underline;text-underline-offset:2px;font-weight:500}
.prose blockquote{margin:28px 0;padding:4px 0 4px 24px;border-left:3px solid var(--teal);font-family:'Plus Jakarta Sans',sans-serif;font-weight:500;font-size:21px;line-height:1.4;color:var(--navy);letter-spacing:-.01em}

/* takeaways box */
.takeaways{background:var(--grad-soft);border:1px solid #d7ece9;border-radius:var(--r);padding:24px 26px;margin:0 0 36px}
.takeaways h2{font-size:15px!important;margin:0 0 14px!important;font-family:'Plus Jakarta Sans',sans-serif;letter-spacing:.06em;text-transform:uppercase;color:var(--teal-600);display:flex;align-items:center;gap:9px}
.takeaways h2 svg{width:18px;height:18px}
.takeaways ul{margin:0;padding:0}
.takeaways li{font-size:15.5px;color:var(--navy-700);font-weight:500;line-height:1.5}
.takeaways li::before{top:9px!important}

/* comparison table */
.cmp-table-wrap{overflow-x:auto;margin:8px 0 30px;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-sm)}
table.cmp{width:100%;border-collapse:collapse;font-size:14.5px;min-width:560px}
table.cmp th,table.cmp td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
table.cmp thead th{background:var(--navy);color:#fff;font-family:'Plus Jakarta Sans',sans-serif;font-weight:600;font-size:13.5px;letter-spacing:-.01em}
table.cmp thead th:first-child{border-top-left-radius:0}
table.cmp th.win{background:linear-gradient(160deg,#13a89a,#0f9488)}
table.cmp tbody th{font-family:'Plus Jakarta Sans',sans-serif;font-weight:600;color:var(--navy);background:var(--mist);font-size:13.5px}
table.cmp td.win{background:rgba(19,168,154,.07);font-weight:500;color:var(--navy)}
table.cmp td .yes{color:var(--teal-600);font-weight:700}
table.cmp td .no{color:#c2502f}
table.cmp tr:last-child td,table.cmp tr:last-child th{border-bottom:none}

/* rank banner for comparatives */
.rank-banner{display:flex;align-items:center;gap:18px;background:linear-gradient(135deg,#11305c,#0f2c54);border-radius:var(--r-lg);padding:24px 28px;margin:0 0 34px;color:#fff;position:relative;overflow:hidden}
.rank-banner::before{content:"";position:absolute;inset:0;background:radial-gradient(400px 160px at 90% -20%,rgba(47,99,255,.4),transparent 60%)}
.rank-medal{flex:none;width:58px;height:58px;border-radius:16px;background:linear-gradient(160deg,#39c2b4,#13a89a);display:flex;align-items:center;justify-content:center;font-family:'Quicksand',sans-serif;font-weight:700;font-size:24px;color:#fff;position:relative;z-index:1;box-shadow:0 10px 24px -8px rgba(19,168,154,.7)}
.rank-banner .rb-tx{position:relative;z-index:1}
.rank-banner .rb-tx b{font-family:'Plus Jakarta Sans',sans-serif;font-size:18px;display:block;letter-spacing:-.01em}
.rank-banner .rb-tx span{color:#aebfd8;font-size:14px}

/* article FAQ */
.art-faq{margin:44px 0 10px}
.art-faq h2{margin-bottom:18px}

/* article figures / images */
.art-fig{margin:30px 0;}
.art-fig .fig-vis{position:relative;aspect-ratio:16/7;border-radius:var(--r);overflow:hidden;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#11305c,#0f2c54)}
.art-fig .fig-vis.t-cmp{background:linear-gradient(135deg,#0f9488,#13a89a)}
.art-fig .fig-vis.t-roi{background:linear-gradient(135deg,#1f5fd0,#2f63ff)}
.art-fig .fig-vis.t-ceo{background:linear-gradient(135deg,#11305c,#1b3c69)}
.art-fig .fig-vis.t-sec{background:linear-gradient(135deg,#0c2447,#13315d)}
.art-fig .fig-vis.t-tech{background:linear-gradient(135deg,#0f9488,#1aa0c4)}
.art-fig .fig-vis::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:30px 30px}
.art-fig .fig-vis .pt-ico{color:rgba(255,255,255,.92);position:relative;z-index:1}
.art-fig .fig-vis .pt-ico svg{width:52px;height:52px}
.art-fig .fig-tag{position:absolute;top:12px;left:12px;z-index:2;font-family:'Plus Jakarta Sans',sans-serif;font-weight:600;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);padding:5px 10px;border-radius:100px;backdrop-filter:blur(6px)}
.art-fig .fig-chart{border:1px solid var(--line);border-radius:var(--r);padding:22px;background:#fff}
.art-fig .fig-chart svg{width:100%;height:190px;display:block}
.art-fig figcaption{margin-top:11px;font-size:13.5px;color:var(--slate-2);font-style:italic;line-height:1.5;text-align:center}
/* concept note (replaces empty image-placeholder figures) */
.art-note{display:flex;align-items:center;gap:20px;margin:30px 0;padding:22px 26px;border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:var(--r);background:linear-gradient(120deg,#f5f8fc,#eef4ff)}
.art-note .note-ico{flex:none;width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;color:#fff}
.art-note .note-ico.t-cmp{background:linear-gradient(135deg,#0f9488,#13a89a)}
.art-note .note-ico.t-roi{background:linear-gradient(135deg,#1f5fd0,#2f63ff)}
.art-note .note-ico.t-ceo{background:linear-gradient(135deg,#11305c,#1b3c69)}
.art-note .note-ico.t-sec{background:linear-gradient(135deg,#0c2447,#13315d)}
.art-note .note-ico.t-tech{background:linear-gradient(135deg,#0f9488,#1aa0c4)}
.art-note .note-ico svg{width:26px;height:26px}
.art-note .note-tag{display:inline-block;font-family:'Plus Jakarta Sans',sans-serif;font-weight:700;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--teal-600);margin-bottom:5px}
.art-note .note-tx p{margin:0;font-size:16px;line-height:1.5;color:var(--navy);font-weight:500}
@media (max-width:640px){.art-note{flex-direction:column;align-items:flex-start;gap:12px;padding:18px}}

/* architecture diagram */
.art-arch{margin:34px 0}
.art-arch .arch-svg{background:linear-gradient(160deg,#0c2447,#11305c);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 22px;overflow-x:auto}
.art-arch .arch-row{display:flex;align-items:stretch;gap:0;min-width:560px}
.art-arch .arch-col{display:flex;flex-direction:column;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:16px 14px}
.art-arch .arch-col.hl{background:linear-gradient(165deg,rgba(25,198,178,.18),rgba(47,99,255,.14));border-color:rgba(25,198,178,.4)}
.art-arch .arch-col-t{font-family:'Plus Jakarta Sans',sans-serif;font-weight:700;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:#9fb8da;text-align:center;margin-bottom:13px}
.art-arch .arch-col.hl .arch-col-t{color:var(--teal-bright)}
.art-arch .arch-items{display:flex;flex-direction:column;gap:8px}
.art-arch .arch-node{font-size:13px;font-weight:500;color:#dbe7f5;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:9px;padding:9px 11px;text-align:center;line-height:1.3}
.art-arch .arch-col.hl .arch-node{background:rgba(255,255,255,.12);border-color:rgba(25,198,178,.3)}
.art-arch .arch-arrow{display:flex;align-items:center;justify-content:center;color:var(--teal-bright);flex:0 0 38px;opacity:.85}
.art-arch .arch-arrow svg{width:24px;height:24px}
.art-arch figcaption{margin-top:11px;font-size:13.5px;color:var(--slate-2);font-style:italic;text-align:center}
@media (max-width:640px){
  .art-arch .arch-row{min-width:480px}
}

/* sources & further reading */
.art-sources{margin:40px 0 10px;background:var(--mist);border:1px solid var(--line);border-radius:var(--r);padding:24px 26px}
.art-sources h2{font-size:15px!important;margin:0 0 14px!important;font-family:'Plus Jakarta Sans',sans-serif;letter-spacing:.06em;text-transform:uppercase;color:var(--slate)}
.src-list{margin:0!important;padding:0!important}
.src-list li{padding-left:26px;margin-bottom:10px}
.src-list li::before{content:"";position:absolute;left:4px;top:9px;width:7px;height:7px;border-radius:50%;background:var(--blue);transform:none}
.src-list a{color:var(--navy);font-weight:500;text-decoration:none;border-bottom:1px solid var(--line);transition:color .2s,border-color .2s}
.src-list a:hover{color:var(--blue);border-color:var(--blue)}

/* CTA box in article */
.art-cta{background:linear-gradient(165deg,#11305c,#0c2447);border-radius:var(--r-lg);padding:38px;color:#fff;margin:44px 0 10px;position:relative;overflow:hidden;text-align:center}
.art-cta::before{content:"";position:absolute;inset:0;background:radial-gradient(500px 220px at 50% -10%,rgba(47,99,255,.3),transparent 60%)}
.art-cta>*{position:relative}
.art-cta h2{color:#fff;font-size:26px!important;margin:0 0 10px!important;letter-spacing:-.025em}
.art-cta p{color:#aebfd8;margin:0 auto 22px;max-width:48ch;font-size:15.5px}
.art-cta .ac-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* author/share footer */
.art-foot{border-top:1px solid var(--line);margin-top:44px;padding:30px 0;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:18px}
.art-share{display:flex;align-items:center;gap:10px}
.art-share span{font-size:13px;color:var(--slate-2);font-weight:600;font-family:'Plus Jakarta Sans',sans-serif}
.art-share a{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--slate);transition:all .2s}
.art-share a:hover{border-color:var(--teal);color:var(--teal-600);transform:translateY(-2px)}
.art-share a svg{width:17px;height:17px}

/* related */
.related{background:var(--mist);border-top:1px solid var(--line);padding:64px 0}
.related h2{font-size:24px;letter-spacing:-.025em;margin-bottom:26px}

@media (max-width:980px){
  .blog-feat{grid-template-columns:1fr 1fr}
  .blog-feat .post-card:first-child{grid-row:auto;grid-column:1/3}
  .posts{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .blog-feat,.posts{grid-template-columns:1fr}
  .blog-feat .post-card:first-child{grid-column:auto}
  .art-wrap{padding:0 20px}
  .prose{font-size:17px}
  .prose h2{font-size:24px}
  .art-cta{padding:28px 22px}
  .art-foot{flex-direction:column;align-items:flex-start}
}