/*
Theme Name: Jibon Studio Blog
Theme URI: https://jibonstudio.com
Author: Jibon Rifat
Author URI: https://jibonstudio.com
Description: Custom blog theme for blog.jibonstudio.com, matched to the Jibon.Studio design system (same colors, type and card/button components as the main site).
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: jibon-studio-blog
*/

/* ---------- Design tokens (from jibonstudio.com) ---------- */
:root{
  --ink:#101014;
  --ink-soft:#4b4b55;
  --ink-faint:#8a8a94;
  --paper:#ffffff;
  --paper-warm:#fafafa;
  --line:#e7e7ea;
  --line-dash:#dcdcdf;
  --chip-bg:#f2f2f4;
  --hl-bg:#ececef;
  --accent:#101014;
  --radius:14px;
  --radius-sm:10px;
  --maxw:1180px;
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Inter',sans-serif;
  font-size:16px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
button{font:inherit;cursor:pointer;}

h1,h2,h3,h4{
  font-family:'Inter Tight',sans-serif;
  font-weight:600;
  letter-spacing:-0.03em;
  line-height:1.08;
  margin:0 0 .5em;
  color:var(--ink);
}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;border-left:1px dashed var(--line-dash);border-right:1px dashed var(--line-dash);display:flow-root;}

/* ---------- Scroll reveal (matches jibonstudio.com) ---------- */
.reveal{
  opacity:0;
  transform:translateY(26px);
  transition:opacity .8s cubic-bezier(.22,1,.36,1), transform .9s cubic-bezier(.22,1,.36,1);
  transition-delay:var(--d,0ms);
}
.reveal.in{opacity:1;transform:none;}

/* ---------- Dashed section divider ---------- */
.hr-dash{border:none;border-top:1px dashed var(--line-dash);height:1px;margin:0;}

/* ---------- Eyebrow / section label ---------- */
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--ink-faint);
  margin-bottom:14px;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--accent);
  color:#fff;
  font-size:14.5px;
  font-weight:600;
  padding:14px 22px;
  border-radius:999px;
  border:1px solid var(--accent);
  white-space:nowrap;
  transition:opacity .15s ease;
}
.btn:hover{opacity:.85;}
.btn-outline{
  background:transparent;
  color:var(--ink);
  border:1px solid var(--line);
}
.btn-outline:hover{background:var(--chip-bg);opacity:1;}
.btn-sm{padding:10px 16px;font-size:13.5px;}

/* ---------- Chips / tags ---------- */
.chip{
  display:inline-flex;
  align-items:center;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
  color:var(--ink-soft);
  background:var(--chip-bg);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 12px;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header .wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;
}
.logo{font-size:18px;font-weight:600;font-family:'Inter Tight',sans-serif;display:flex;align-items:center;}
.logo .sub{color:var(--ink-faint);font-weight:500;}
.primary-nav{display:flex;align-items:center;gap:32px;}
.primary-nav ul{display:flex;align-items:center;gap:28px;}
.primary-nav a{font-size:15px;color:var(--ink-soft);}
.primary-nav a:hover,.primary-nav .current-menu-item a,.primary-nav a[aria-current="page"]{color:var(--ink);}
.header-actions{display:flex;align-items:center;gap:14px;}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:40px;height:40px;align-items:center;justify-content:center;}

/* ---------- Hero / blog intro ---------- */
.blog-hero{padding:64px 0 40px;border-bottom:1px dashed var(--line-dash);}
.blog-hero h1{font-size:clamp(32px,5vw,46px);max-width:720px;}
.blog-hero .lead{font-size:18px;color:var(--ink-soft);max-width:560px;margin-top:10px;}

/* ---------- Category filter pills ---------- */
.cat-filter{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0 8px;}
.cat-filter a{
  font-size:13.5px;font-weight:600;color:var(--ink-soft);
  background:var(--paper);border:1px solid var(--line);
  border-radius:999px;padding:9px 16px;
}
.cat-filter a:hover,.cat-filter a.is-active{background:var(--ink);color:#fff;border-color:var(--ink);}

/* ---------- Post grid / cards ---------- */
.post-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  margin:32px 0 48px;
}
.post-card{background:var(--paper);display:flex;flex-direction:column;}
.post-card .thumb{aspect-ratio:4/3;overflow:hidden;background:var(--paper-warm);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-card .body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1;}
.post-card .tags{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap;}
.post-card h3{font-size:19px;margin-bottom:8px;}
.post-card h3 a:hover{text-decoration:underline;text-underline-offset:3px;}
.post-card p{font-size:14.5px;color:var(--ink-soft);line-height:1.55;margin:0 0 16px;flex:1;}
.post-card .meta{font-size:12.5px;color:var(--ink-faint);display:flex;align-items:center;gap:8px;margin-bottom:12px;}
.post-card .read-more{font-size:14px;font-weight:600;color:var(--ink);margin-top:auto;}

/* ---------- Placeholder image box (shown until a featured image is set) ---------- */
.ph-thumb{
  position:relative;width:100%;height:100%;overflow:hidden;
  background:var(--paper-warm);display:flex;align-items:flex-end;
}
.ph-thumb::before{
  content:attr(data-letter);position:absolute;right:14px;top:6px;
  font-family:'Inter Tight',sans-serif;font-weight:700;font-size:92px;color:var(--ink);
  opacity:.06;line-height:1;
}
.ph-thumb::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg, rgba(16,16,20,.035) 0 1px, transparent 1px 14px);
}
.ph-thumb .ph-tag{position:relative;z-index:1;margin:16px;font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-faint);}
.article-cover .ph-thumb{aspect-ratio:16/9;border-radius:var(--radius);}

/* ---------- Pagination ---------- */
.pagination{display:flex;justify-content:center;gap:8px;padding:0 0 64px;}
.pagination a,.pagination span{
  min-width:40px;height:40px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;font-size:14px;font-weight:600;color:var(--ink-soft);
}
.pagination .current{background:var(--ink);color:#fff;border-color:var(--ink);}
.pagination a:hover{background:var(--chip-bg);}

/* ---------- Single article ---------- */
.article-back{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--ink-soft);margin:32px 0 20px;}
.article-back:hover{color:var(--ink);}
.article-head{padding:0 0 32px;text-align:left;}
.article-head-inner{max-width:760px;margin:0 auto;}
.article-head .meta-row{display:flex;align-items:center;gap:12px;margin-bottom:18px;flex-wrap:wrap;}
.article-head .meta-row .dim{font-size:13.5px;color:var(--ink-faint);}
.article-head h1{font-size:clamp(30px,4.5vw,44px);}
.article-head .excerpt{font-size:18px;color:var(--ink-soft);margin-top:14px;}
.article-author{display:flex;align-items:center;gap:10px;margin-top:26px;}
.article-author img{width:36px;height:36px;border-radius:999px;object-fit:cover;}
.article-author .name{font-size:14px;font-weight:600;}
.article-author .date{font-size:13px;color:var(--ink-faint);}

.article-cover{max-width:var(--maxw);margin:0 auto 48px;padding:0 24px;border-left:1px dashed var(--line-dash);border-right:1px dashed var(--line-dash);display:flow-root;}
.article-cover img{width:100%;border-radius:var(--radius);aspect-ratio:16/9;object-fit:cover;}

.article-body{max-width:720px;margin:0 auto;padding:0 24px 64px;font-size:17px;line-height:1.75;color:var(--ink);}
.article-body h2{font-size:26px;margin-top:1.6em;}
.article-body h3{font-size:21px;margin-top:1.4em;}
.article-body p{margin:0 0 1.3em;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.3em;}
.article-body li{margin-bottom:.5em;}
.article-body a{text-decoration:underline;text-underline-offset:3px;}
.article-body img{border-radius:var(--radius);margin:1.5em 0;}
.article-body blockquote{
  margin:1.8em 0;padding:4px 0 4px 22px;border-left:3px solid var(--ink);
  font-size:19px;font-style:italic;color:var(--ink-soft);
}
.article-body code{
  font-family:'Geist Mono',monospace;background:var(--chip-bg);
  padding:2px 6px;border-radius:5px;font-size:.88em;
}
.article-body pre{
  font-family:'Geist Mono',monospace;background:var(--ink);color:#f2f2f4;
  padding:20px;border-radius:var(--radius);overflow:auto;font-size:14px;line-height:1.6;margin:1.6em 0;
}
.article-body pre code{background:none;padding:0;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.4em 0;}

.article-tags{max-width:720px;margin:0 auto;padding:0 24px 56px;display:flex;gap:8px;flex-wrap:wrap;}

/* ---------- Related posts ---------- */
.related{border-top:1px dashed var(--line-dash);padding:56px 0;}
.related .eyebrow{display:block;text-align:center;}
.related h2{text-align:center;max-width:560px;margin:0 auto 32px;font-size:28px;}

/* ---------- CTA band (reused from main site) ---------- */
.cta-band{border-top:1px dashed var(--line-dash);background:var(--paper-warm);padding:72px 0;text-align:center;}
.cta-band .eyebrow{display:block;}
.cta-band h2{max-width:620px;margin:0 auto 14px;font-size:clamp(26px,4vw,38px);}
.cta-band p{max-width:460px;margin:0 auto 28px;color:var(--ink-soft);font-size:16px;}
.cta-cal-wrap{
  margin:36px auto 0;
  max-width:920px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--paper);
  text-align:left;
}
#jsb-cal-embed{width:100%;min-height:560px;}

/* ---------- FAQ ---------- */
.faq-section{padding:72px 0;}
.faq-section .sec-head{max-width:620px;margin-bottom:32px;}
.faq-section .sec-head h2{font-size:clamp(28px,4vw,42px);margin-top:4px;}
.faq-grid{border-top:1px dashed var(--line-dash);}
.faq-item{border-bottom:1px dashed var(--line-dash);}
.faq-q{
  display:flex;align-items:flex-start;gap:18px;
  width:100%;padding:26px 0;
  background:none;border:none;text-align:left;cursor:pointer;
}
.faq-n{color:var(--ink-faint);font-size:11px;font-weight:400;flex-shrink:0;padding-top:3px;}
.faq-t{flex:1;color:var(--ink);font-size:18px;font-weight:600;}
.faq-ic{position:relative;width:20px;height:20px;flex-shrink:0;margin-top:1px;}
.faq-ic::before,.faq-ic::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--ink);
  transition:transform .35s cubic-bezier(.22,1,.36,1), opacity .3s;
}
.faq-ic::before{width:14px;height:1.5px;transform:translate(-50%,-50%);}
.faq-ic::after{width:1.5px;height:14px;transform:translate(-50%,-50%);}
.faq-item.open .faq-ic::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{height:0;overflow:hidden;transition:height .4s cubic-bezier(.22,1,.36,1);}
.faq-a p{margin:0;padding:0 0 28px 38px;max-width:700px;color:var(--ink-soft);font-size:15px;line-height:1.65;}

/* ---------- Photo strip (matches jibonstudio.com, shown before the footer) ---------- */
.photo-strip{
  position:relative;height:clamp(250px,31vw,400px);overflow:hidden;
  display:flex;align-items:flex-end;justify-content:center;
  background:transparent;margin-left:-24px;margin-right:-24px;
}
.strip-set{display:flex;align-items:flex-end;justify-content:center;width:100%;}
.polaroid{
  background:#fff;padding:10px 10px 12px;
  box-shadow:0 16px 36px rgba(16,16,20,.14);
  width:clamp(150px,19vw,250px);flex-shrink:0;margin:0 -22px;
  transform-origin:center bottom;will-change:transform;
  transition:transform .55s cubic-bezier(.22,1,.36,1), margin .55s cubic-bezier(.22,1,.36,1), box-shadow .45s;
}
.polaroid img{aspect-ratio:3/4;width:100%;object-fit:cover;display:block;}
.strip-set .polaroid:nth-child(1){transform:rotate(-7deg) translateY(34px);}
.strip-set .polaroid:nth-child(2){transform:rotate(4deg) translateY(52px);}
.strip-set .polaroid:nth-child(3){transform:rotate(-2deg) translateY(18px);z-index:3;}
.strip-set .polaroid:nth-child(4){transform:rotate(6deg) translateY(48px);z-index:2;}
.strip-set .polaroid:nth-child(5){transform:rotate(-5deg) translateY(30px);}
.strip-set:hover .polaroid{margin:0 6px;}
.strip-set:hover .polaroid:nth-child(1){transform:rotate(-11deg) translateY(26px);}
.strip-set:hover .polaroid:nth-child(2){transform:rotate(-4deg) translateY(38px);}
.strip-set:hover .polaroid:nth-child(3){transform:rotate(0deg) translateY(10px);}
.strip-set:hover .polaroid:nth-child(4){transform:rotate(5deg) translateY(38px);}
.strip-set:hover .polaroid:nth-child(5){transform:rotate(10deg) translateY(26px);}
.strip-set:hover .polaroid:hover{transform:rotate(0deg) translateY(-14px) scale(1.06);box-shadow:0 28px 60px rgba(16,16,20,.24);z-index:6;}
.photo-strip-pre-footer{background:var(--ink);}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#fff;padding-block:64px 32px;}
.rail{max-width:var(--maxw);margin:0 auto;padding:0 48px;border-left:1px dashed rgba(255,255,255,.14);border-right:1px dashed rgba(255,255,255,.14);display:flow-root;}

.foot-main{display:grid;grid-template-columns:1fr 1.25fr;gap:20px;margin-bottom:28px;}

.foot-card{
  background:rgba(255,255,255,.024);
  border:1px solid rgba(255,255,255,.11);
  border-radius:16px;
  padding:30px 30px 28px;
  display:flex;flex-direction:column;
}
.foot-avatar{width:62px;height:62px;border-radius:50%;overflow:hidden;flex-shrink:0;}
.foot-avatar img{width:100%;height:100%;object-fit:cover;display:block;}
.foot-card h3{color:#fff;font-size:31px;margin:22px 0 0;}
.foot-card p{color:#a5a5af;font-size:15px;max-width:340px;margin:10px 0 0;}
.foot-actions{margin-top:26px;}
.foot-actions > div{display:flex;align-items:center;gap:12px;}

.btn-light{
  display:inline-flex;align-items:center;gap:12px;
  background:#fff;color:var(--ink);
  border-radius:999px;padding:6px 6px 6px 20px;
  font-size:14px;font-weight:600;
}
.btn-light svg{width:15px;height:15px;}
.btn-ic{
  width:30px;height:30px;border-radius:50%;
  background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;
}
.btn-ic svg{width:15px;height:15px;}
.btn-icon{display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.btn-icon-dark{
  width:44px;height:44px;border-radius:50%;
  border:1px solid rgba(255,255,255,.26);
  color:#fff;
}
.btn-icon-dark svg{width:20px;height:20px;}

.foot-links{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;}
.link-card{
  background:rgba(255,255,255,.024);
  border:1px solid rgba(255,255,255,.11);
  border-radius:14px;
  padding:18px 18px 20px;
  display:flex;flex-direction:column;gap:16px;
  transition:background .15s ease,border-color .15s ease;
}
.link-card:hover{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.2);}
.link-card > span{color:#8a8a94;font-size:10px;letter-spacing:1px;text-transform:uppercase;font-weight:600;}
.link-card strong{color:#fff;font-size:15px;font-weight:600;display:flex;align-items:center;gap:10px;}
.link-card strong svg{width:19px;height:19px;flex-shrink:0;}

.link-mail{grid-column:1 / -1;}
.mail-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.mail-row a{min-width:0;}
.mail-row strong{word-break:break-all;}
.mail-copy{
  width:34px;height:34px;border-radius:9px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.14);
  color:#a5a5af;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.mail-copy svg{width:16px;height:16px;}
.mail-copy svg[hidden]{display:none;}
.mail-toast{display:block;margin-top:4px;font-size:12px;color:#a5a5af;opacity:0;transition:opacity .2s ease;}
.link-mail.is-copied .mail-toast{opacity:1;}

.foot-bottom{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 28px;
  color:#8a8a94;font-size:13px;
}

/* ---------- Noundesign credit ---------- */
.nd-credit{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:inherit;transition:opacity .25s ease;}
.nd-credit:hover{opacity:.85;}
.nd-pre{font-size:11px;letter-spacing:.22em;text-transform:uppercase;font-weight:600;color:currentColor;opacity:.65;}
.nd-badge{width:26px;height:26px;flex-shrink:0;display:block;}
.nd-mark{font-size:13px;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:currentColor;}
.nd-credit:hover .nd-mark{color:#F58A3C;}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .foot-main{grid-template-columns:1fr;}
  .foot-links{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:680px){
  .primary-nav{display:none;}
  .primary-nav.is-open{
    display:block;position:absolute;top:64px;left:0;right:0;
    background:var(--paper);border-bottom:1px solid var(--line);padding:20px 24px;
  }
  .primary-nav.is-open ul{flex-direction:column;align-items:flex-start;gap:16px;}
  .menu-toggle{display:flex;}
  .post-grid{grid-template-columns:1fr;}
  .site-header .wrap{height:64px;position:relative;}
  .rail{padding:0 24px;}
  .foot-card h3{font-size:26px;}
  .foot-links{grid-template-columns:1fr;}
  .foot-bottom{justify-content:center;text-align:center;}
  .nd-credit{flex-wrap:wrap;justify-content:center;gap:8px;}
  .faq-a p{padding-left:0;}
  .photo-strip{margin-left:-24px;margin-right:-24px;}
}