/* ===================================================================
   ZIVARA Blog — self-contained stylesheet
   Reuses the design tokens / fonts from the main site (index.html)
   so blog pages match exactly without touching the homepage CSS.
   =================================================================== */

:root {
  --g:#0EA58A; --gl:#12c9a4; --gd:#098a72;
  --gp:rgba(14,165,138,0.06); --gp2:rgba(14,165,138,0.03);
  --bg:#ffffff; --bg2:#f8f9fb; --bg3:#f2f3f7;
  --ink:#0e0e1a; --ink2:#3a3a54; --ink3:#6a6a86; --ink4:#9a9ab4; --ink5:#c2c2d4;
  --line:#ecedf2; --line2:#f4f4f8;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;overflow-x:hidden;max-width:100%;}
body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;overflow-x:hidden;}
img{max-width:100%;display:block;}

/* ===== NAV (simplified — links back to the single-page site) ===== */
nav{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(255,255,255,0.88);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(0,0,0,0.04);transition:background .4s,box-shadow .4s,border-color .4s;}
nav.scrolled{box-shadow:0 1px 14px rgba(0,0,0,0.05);}
.nv{max-width:1100px;margin:0 auto;padding:0 clamp(24px,4vw,48px);height:64px;display:flex;align-items:center;justify-content:space-between;}
.nv-logo{display:flex;align-items:center;gap:10px;text-decoration:none;}
.nv-logo span{font-family:'Manrope';font-weight:800;font-size:16px;letter-spacing:2.5px;color:var(--ink);}
.nv-links{display:flex;align-items:center;gap:26px;}
.nv-links a{font-size:13.5px;font-weight:500;color:var(--ink3);text-decoration:none;transition:color .3s;}
.nv-links a:hover,.nv-links a.active{color:var(--g);}
.nv-cta{font-size:12.5px!important;font-weight:600!important;background:var(--g)!important;color:#fff!important;padding:8px 20px;border-radius:8px;display:inline-flex;align-items:center;gap:6px;transition:all .3s;}
.nv-cta:hover{background:var(--gd)!important;box-shadow:0 4px 16px rgba(14,165,138,0.18);transform:translateY(-1px);}
@media(max-width:680px){.nv-links a.nv-hide-sm{display:none;}}

/* ===== SHARED LAYOUT ===== */
.wrap{max-width:1100px;margin:0 auto;padding:0 clamp(24px,4vw,48px);}
.eyebrow{font-family:'Sora';font-size:11px;font-weight:600;letter-spacing:4px;text-transform:uppercase;color:var(--g);margin-bottom:16px;}

/* ===== BLOG HEADER ===== */
.blog-head{padding:140px clamp(24px,4vw,48px) 60px;max-width:1100px;margin:0 auto;text-align:center;position:relative;}
.blog-head::before{content:'';position:absolute;top:90px;left:50%;transform:translateX(-50%);width:600px;height:340px;background:radial-gradient(ellipse,rgba(14,165,138,0.04),transparent 70%);pointer-events:none;}
.blog-head h1{font-family:'Instrument Serif';font-weight:400;font-size:clamp(40px,6vw,68px);line-height:1.08;color:var(--ink);margin-bottom:20px;}
.blog-head h1 em{font-style:italic;color:var(--g);}
.blog-head p{font-size:clamp(15px,1.5vw,17.5px);color:var(--ink3);line-height:1.8;max-width:520px;margin:0 auto;}

/* ===== POST GRID (listing) ===== */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;padding:8px clamp(24px,4vw,48px) 36px;max-width:1100px;margin:0 auto;}
.card{background:var(--bg);border:1px solid var(--line);border-radius:18px;overflow:hidden;text-decoration:none;color:inherit;display:flex;flex-direction:column;transition:transform .4s cubic-bezier(0.16,1,0.3,1),box-shadow .4s,border-color .4s;}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(15,23,42,0.07);border-color:var(--ink5);}
.card-thumb{aspect-ratio:16/9;background:linear-gradient(160deg,var(--bg2),var(--bg3));position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line2);}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(0.16,1,0.3,1);}
.card:hover .card-thumb img{transform:scale(1.04);}
.card-thumb-mark{font-family:'Manrope';font-weight:800;font-size:34px;letter-spacing:6px;color:rgba(14,165,138,0.18);}
.card-body{padding:28px 26px 14px;flex:1;}
.card-cat{display:inline-flex;align-items:center;gap:7px;font-family:'Sora';font-size:10.5px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;color:var(--g);margin-bottom:14px;}
.card-cat-dot{width:5px;height:5px;border-radius:50%;background:var(--g);}
.card h2{font-family:'Instrument Serif';font-weight:400;font-size:22px;line-height:1.25;color:var(--ink);margin-bottom:11px;}
.card p{font-size:14px;color:var(--ink3);line-height:1.7;}
.card-foot{display:flex;align-items:center;justify-content:space-between;padding:16px 24px 22px;font-family:'Sora';font-size:11.5px;color:var(--ink4);}
.card-arrow{width:26px;height:26px;border-radius:50%;background:var(--line2);display:flex;align-items:center;justify-content:center;transition:all .3s;}
.card:hover .card-arrow{background:var(--g);}
.card:hover .card-arrow svg path{stroke:#fff;}
@media(max-width:900px){.post-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:600px){.post-grid{grid-template-columns:1fr;}}

/* ===== ARTICLE (single post) ===== */
.article{max-width:740px;margin:0 auto;padding:130px clamp(24px,4vw,48px) 40px;}
.article-back{display:flex;width:fit-content;align-items:center;gap:7px;font-family:'Sora';font-size:12px;font-weight:500;color:var(--ink4);text-decoration:none;margin-bottom:30px;transition:color .25s;}
.article-back:hover{color:var(--g);}
.article-cat{display:flex;width:fit-content;align-items:center;gap:7px;font-family:'Sora';font-size:11px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;color:var(--g);margin-bottom:18px;}
.article-cat-dot{width:5px;height:5px;border-radius:50%;background:var(--g);}
.article h1{font-family:'Instrument Serif';font-weight:400;font-size:clamp(32px,5vw,52px);line-height:1.12;color:var(--ink);margin-bottom:22px;}
.article-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding-bottom:30px;margin-bottom:38px;border-bottom:1px solid var(--line);}
.article-author{display:flex;align-items:center;gap:11px;}
.article-author-av{width:40px;height:40px;border-radius:50%;background:var(--gp);border:1px solid rgba(14,165,138,0.15);display:flex;align-items:center;justify-content:center;font-family:'Manrope';font-weight:800;font-size:15px;color:var(--g);}
.article-author-n{font-family:'Manrope';font-size:13.5px;font-weight:700;color:var(--ink);}
.article-author-d{font-family:'Sora';font-size:11px;color:var(--ink4);margin-top:2px;}
.article-meta-sep{color:var(--ink5);font-size:12px;}
.article-meta time,.article-readtime{font-family:'Sora';font-size:12px;color:var(--ink4);}

/* Hero image for the article */
.article-hero{border-radius:18px;overflow:hidden;border:1px solid var(--line);margin-bottom:42px;aspect-ratio:16/9;background:linear-gradient(160deg,var(--bg2),var(--bg3));}
.article-hero img{width:100%;height:100%;object-fit:cover;}

/* Branded hero — generated graphic with ZIVARA markup, no external image needed */
.article-hero-brand{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center;background:linear-gradient(150deg,#0c1a18,#0a2622 55%,#0e3a31);overflow:hidden;}
.article-hero-brand::before{content:'';position:absolute;width:440px;height:440px;background:radial-gradient(circle,rgba(18,201,164,0.28),transparent 62%);top:-150px;right:-120px;pointer-events:none;}
.article-hero-brand::after{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 28% 125%,rgba(14,165,138,0.20),transparent 55%);pointer-events:none;}
.hero-brand-logo{position:relative;display:flex;align-items:center;gap:12px;}
.hero-brand-word{font-family:'Manrope';font-weight:800;font-size:clamp(24px,4vw,38px);letter-spacing:8px;color:#fff;}
.hero-brand-cat{position:relative;font-family:'Sora';font-size:10.5px;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:#9ff0dd;background:rgba(18,201,164,0.14);border:1px solid rgba(18,201,164,0.32);padding:6px 15px;border-radius:30px;}

/* ===== BLOG TOOLBAR (filter + search) ===== */
.blog-toolbar{max-width:1100px;margin:0 auto 28px;padding:18px clamp(20px,4vw,48px) 0;display:flex;align-items:center;justify-content:space-between;gap:16px 18px;flex-wrap:wrap;border-top:1px solid var(--line2);}
.blog-chips{display:flex;flex-wrap:wrap;gap:8px;min-width:0;}
.chip{font-family:'Sora';font-size:12.5px;font-weight:500;color:var(--ink3);background:var(--bg);border:1px solid var(--line);border-radius:100px;padding:9px 17px;cursor:pointer;white-space:nowrap;-webkit-tap-highlight-color:transparent;transition:all .2s ease;}
.chip:hover{border-color:rgba(14,165,138,0.35);color:var(--g);background:var(--gp);}
.chip:focus-visible{outline:none;border-color:var(--g);box-shadow:0 0 0 4px var(--gp);}
.chip.active{background:var(--g);border-color:var(--g);color:#fff;box-shadow:0 4px 14px rgba(14,165,138,0.22);}
.blog-search{font-family:'DM Sans';font-size:14px;color:var(--ink);background:var(--bg2);border:1px solid var(--line);border-radius:100px;padding:11px 20px;width:240px;flex-shrink:0;outline:none;transition:all .2s ease;}
.blog-search::placeholder{color:var(--ink4);}
.blog-search:focus{border-color:var(--g);background:var(--bg);box-shadow:0 0 0 4px var(--gp);}

/* Tablet / small: search goes full-width on top, chips wrap below */
@media(max-width:640px){
  .blog-toolbar{flex-direction:column;align-items:stretch;gap:14px;}
  .blog-search{order:-1;width:100%;}
  .blog-chips{justify-content:flex-start;}
}
/* Phones: finger-friendly chips, tighter spacing */
@media(max-width:420px){
  .blog-chips{gap:7px;}
  .chip{padding:9px 15px;}
  .blog-search{padding:12px 18px;}
}
.blog-empty{display:none;text-align:center;color:var(--ink4);font-family:'Sora';font-size:14px;padding:48px 0 0;}

/* ===== PAGINATION (top bar) ===== */
.pagination{display:flex;justify-content:space-between;align-items:center;gap:14px 18px;flex-wrap:wrap;max-width:1100px;margin:0 auto;padding:2px clamp(20px,4vw,48px) 24px;}
.page-count{font-family:'Sora';font-size:12.5px;font-weight:500;color:var(--ink4);letter-spacing:.2px;white-space:nowrap;}
.page-group{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:center;}
.page-btn{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border:1px solid var(--line);background:var(--bg);color:var(--ink2);border-radius:10px;font-family:'Sora';font-size:13px;font-weight:500;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:all .2s ease;}
.page-btn:hover:not(:disabled){border-color:var(--g);color:var(--g);background:var(--gp);}
.page-btn:focus-visible{outline:none;border-color:var(--g);box-shadow:0 0 0 4px var(--gp);}
.page-btn.active{background:var(--g);border-color:var(--g);color:#fff;box-shadow:0 4px 14px rgba(14,165,138,0.22);}
.page-btn:disabled{opacity:.4;cursor:not-allowed;}
.page-nav{font-size:17px;line-height:1;}
.page-ellipsis{color:var(--ink4);padding:0 2px;font-family:'Sora';user-select:none;}

/* Tablet / small: stack the count above centered controls */
@media(max-width:640px){
  .pagination{flex-direction:column;align-items:center;gap:14px;padding-bottom:26px;}
  .page-count{order:-1;}
}
/* Phones: tighter, finger-friendly, never overflow */
@media(max-width:420px){
  .page-group{gap:5px;}
  .page-btn{min-width:38px;height:38px;padding:0 9px;font-size:12.5px;}
  .page-nav{font-size:16px;}
}

/* Toolbar — responsive: chips become a clean horizontal scroll strip on phones */
@media(max-width:680px){
  .blog-toolbar{flex-direction:column;align-items:stretch;gap:14px;margin-bottom:24px;}
  .blog-chips{flex-wrap:nowrap;overflow-x:auto;gap:8px;padding-bottom:4px;scrollbar-width:none;-webkit-overflow-scrolling:touch;}
  .blog-chips::-webkit-scrollbar{display:none;}
  .chip{flex:0 0 auto;}
  .blog-search{width:100%;}
}
@media(max-width:600px){ .blog-head{padding-top:112px;padding-bottom:36px;} }

/* ===== ARTICLE TYPOGRAPHY (prose) ===== */
.prose{font-size:17px;line-height:1.85;color:var(--ink2);}
.prose > * + *{margin-top:24px;}
.prose p{color:var(--ink2);}
.prose h2{font-family:'Instrument Serif';font-weight:400;font-size:clamp(26px,3.4vw,34px);line-height:1.2;color:var(--ink);margin-top:52px;margin-bottom:4px;}
.prose h3{font-family:'Manrope';font-weight:700;font-size:20px;color:var(--ink);margin-top:38px;}
.prose a{color:var(--g);text-decoration:none;border-bottom:1px solid rgba(14,165,138,0.3);transition:border-color .25s;}
.prose a:hover{border-color:var(--g);}
.prose strong{color:var(--ink);font-weight:700;}
.prose ul,.prose ol{padding-left:24px;}
.prose li{margin-top:10px;}
.prose li::marker{color:var(--g);}
.prose blockquote{border-left:3px solid var(--g);padding:6px 0 6px 24px;margin-left:0;font-family:'Instrument Serif';font-style:italic;font-size:22px;line-height:1.5;color:var(--ink);}
.prose img{border-radius:14px;border:1px solid var(--line);margin:32px 0;}
.prose code{font-family:'Sora',ui-monospace,monospace;font-size:14px;background:var(--bg3);border-radius:6px;padding:2px 7px;color:var(--gd);}
.prose pre{background:var(--ink);border-radius:14px;padding:22px 24px;overflow-x:auto;margin:28px 0;}
.prose pre code{background:none;color:#e6e6f0;padding:0;font-size:13.5px;line-height:1.7;}
.prose hr{border:none;border-top:1px solid var(--line);margin:44px 0;}

/* ===== PER-TOPIC THEMING — each category re-themes the accent ===== */
.cat-AI{--g:#0aa890;--gd:#087a68;--gp:rgba(10,168,144,0.08);}
.cat-Engineering{--g:#3b6fe0;--gd:#2a52b0;--gp:rgba(59,111,224,0.08);}
.cat-Product{--g:#d6336c;--gd:#ab2757;--gp:rgba(214,51,108,0.08);}
.cat-Cloud{--g:#0c84c4;--gd:#09699c;--gp:rgba(12,132,196,0.08);}
.cat-Security{--g:#bd8a07;--gd:#967005;--gp:rgba(189,138,7,0.10);}
.cat-Frontend{--g:#7b3fe4;--gd:#6230b6;--gp:rgba(123,63,228,0.08);}

/* ===== CONTENT COMPONENTS (used by post type, so layouts differ) ===== */
/* TL;DR / lead summary */
.prose .tldr{background:var(--gp);border:1px solid var(--line);border-left:3px solid var(--g);border-radius:12px;padding:18px 22px;font-size:15.5px;color:var(--ink2);}
.prose .tldr strong{color:var(--g);}
/* Definition / callout */
.prose .callout{border:1px solid var(--line);border-left:3px solid var(--g);background:var(--bg2);border-radius:12px;padding:18px 22px;}
.prose .callout strong{color:var(--g);}
/* Key takeaways box */
.prose .takeaways{background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:24px 26px;}
.prose .takeaways-h{font-family:'Sora';font-size:12px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--g);margin-bottom:12px;}
.prose .takeaways ul{margin:0;}
/* Tables */
.prose table{width:100%;border-collapse:collapse;font-size:14.5px;margin:8px 0;}
.prose th,.prose td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top;}
.prose thead th{font-family:'Sora';font-size:11.5px;letter-spacing:.5px;text-transform:uppercase;color:var(--ink4);}
.prose tbody tr:hover{background:var(--bg2);}
.prose td strong{color:var(--ink);}
/* Verdict callout (for comparisons) */
.prose .verdict{border:1px solid var(--line);border-left:3px solid var(--g);background:var(--gp);border-radius:12px;padding:18px 22px;}
.prose .verdict strong{color:var(--g);}
/* Numbered steps */
.prose ol.steps{counter-reset:step;list-style:none;padding-left:0;}
.prose ol.steps > li{position:relative;padding-left:54px;margin-top:22px;min-height:36px;}
.prose ol.steps > li::before{counter-increment:step;content:counter(step);position:absolute;left:0;top:-3px;width:36px;height:36px;border-radius:50%;background:var(--gp);color:var(--g);font-family:'Manrope';font-weight:800;font-size:15px;display:flex;align-items:center;justify-content:center;}
/* FAQ accordion */
.prose .faq details{border:1px solid var(--line);border-radius:12px;padding:2px 20px;margin-top:10px;background:var(--bg);}
.prose .faq summary{cursor:pointer;font-family:'Manrope';font-weight:700;font-size:16px;color:var(--ink);padding:16px 0;list-style:none;}
.prose .faq summary::-webkit-details-marker{display:none;}
.prose .faq summary::after{content:'+';float:right;color:var(--g);font-weight:700;}
.prose .faq details[open] summary{color:var(--g);}
.prose .faq details[open] summary::after{content:'–';}
.prose .faq details > p{padding:0 0 16px;margin-top:0;}

/* Tag list under the article */
.article-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:48px;padding-top:34px;border-top:1px solid var(--line);}
.article-tag{font-family:'Sora';font-size:11.5px;font-weight:500;color:var(--ink3);background:var(--bg3);border-radius:7px;padding:7px 14px;}

/* Author / CTA card after the article */
.post-cta{max-width:740px;margin:56px auto 0;padding:0 clamp(24px,4vw,48px);}
.post-cta-in{background:linear-gradient(135deg,var(--bg2),var(--bg3));border:1px solid var(--line);border-radius:22px;padding:clamp(34px,5vw,48px);text-align:center;position:relative;overflow:hidden;}
.post-cta-in::before{content:'';position:absolute;width:360px;height:360px;top:-100px;right:-100px;background:radial-gradient(circle,rgba(14,165,138,0.06),transparent 60%);pointer-events:none;}
.post-cta-h{font-family:'Instrument Serif';font-weight:400;font-size:clamp(24px,3.2vw,32px);color:var(--ink);margin-bottom:12px;position:relative;}
.post-cta-p{font-size:15px;color:var(--ink3);line-height:1.8;max-width:440px;margin:0 auto 26px;position:relative;}
.btn-p{font-family:'DM Sans';font-size:15px;font-weight:600;background:var(--g);color:#fff;padding:14px 32px;border-radius:10px;text-decoration:none;display:inline-flex;align-items:center;gap:9px;transition:all .35s cubic-bezier(0.16,1,0.3,1);box-shadow:0 2px 8px rgba(14,165,138,0.12);position:relative;}
.btn-p:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(14,165,138,0.2);}

/* Related posts */
.related{max-width:1100px;margin:0 auto;padding:80px clamp(24px,4vw,48px) 0;}
.related-h{font-family:'Instrument Serif';font-weight:400;font-size:28px;color:var(--ink);text-align:center;margin-bottom:38px;}

/* ===== FOOTER (matches main site) ===== */
footer.ft{padding:0;margin-top:100px;display:block;border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,0.45),rgba(244,247,255,0.7));}
.ft-top{max-width:1100px;margin:0 auto;padding:64px clamp(24px,4vw,48px) 48px;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;}
.ft-brand-row{display:flex;align-items:center;gap:11px;margin-bottom:18px;}
.ft-brand-row span{font-family:'Manrope';font-weight:800;font-size:16px;letter-spacing:2.5px;color:var(--ink);}
.ft-desc{font-size:14px;color:var(--ink3);line-height:1.85;max-width:300px;margin-bottom:22px;}
.ft-social{display:flex;gap:10px;}
.ft-social a{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;transition:all .3s;background:rgba(255,255,255,0.6);}
.ft-social a:hover{border-color:var(--g);background:var(--gp);transform:translateY(-2px);}
.ft-col h4{font-family:'Sora';font-size:11px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--ink4);margin-bottom:20px;}
.ft-col a{display:block;font-size:14px;color:var(--ink2);text-decoration:none;margin-bottom:13px;transition:color .25s,transform .25s;}
.ft-col a:hover{color:var(--g);transform:translateX(3px);}
.ft-bottom{border-top:1px solid var(--line);}
.ft-bottom-in{max-width:1100px;margin:0 auto;padding:24px clamp(24px,4vw,48px);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;}
.ft-bottom-in p{font-size:12.5px;color:var(--ink4);}
.ft-mini a{font-size:12.5px;color:var(--ink4);text-decoration:none;margin-left:20px;transition:color .25s;}
.ft-mini a:hover{color:var(--g);}
@media(max-width:760px){.ft-top{grid-template-columns:1fr 1fr;gap:36px;}}
@media(max-width:460px){.ft-top{grid-template-columns:1fr;}}