/*
Theme Name: DIINI Blog
Theme URI: https://diiniai.com/blog/
Author: DIINI
Description: Branded editorial theme for DIINI AI, trucking, logistics, and automation content.
Version: 1.0.0
Requires at least: 6.5
Text Domain: diini-blog
*/

:root{
  --gold:#f4c84a;--black:#080b10;--panel:#111722;--panel2:#17202c;
  --blue:#22aee8;--green:#22b879;--white:#fff;--text:#edf4fb;
  --muted:#8fa2b5;--line:#273342;--max:1180px;--radius:8px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--black);color:var(--text);font-family:Manrope,Inter,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.7;letter-spacing:0}
body.light{--black:#f5f7fa;--panel:#fff;--panel2:#edf2f7;--text:#111722;--muted:#526070;--line:#d9e1e9}
a{color:var(--blue);text-decoration:none}a:hover{color:var(--gold)}
img{max-width:100%;height:auto}
.wrap{width:min(var(--max),calc(100% - 36px));margin:auto}
.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:12px;top:12px;background:var(--gold);color:#111;padding:8px;z-index:999}
.site-header{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--black) 90%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-row{height:70px;display:flex;align-items:center;gap:25px}
.brand img{display:block;width:205px;max-height:44px}
.brand .logo-light{display:none}
body.light .brand .logo-dark{display:none}
body.light .brand .logo-light{display:block}
.brand-text{font-size:20px;font-weight:900;color:var(--gold);white-space:nowrap}.brand-text span{color:var(--text);font-size:13px}
.nav-links{display:flex;align-items:center;gap:23px;margin-left:auto}
.nav-links a{color:var(--muted);font-size:13px;font-weight:700}.nav-links a:hover,.nav-links .active{color:var(--gold)}
.nav-actions{display:flex;gap:8px;align-items:center}
.icon-btn,.menu-btn{width:38px;height:38px;border:1px solid var(--line);background:var(--panel);color:var(--text);display:grid;place-items:center;border-radius:6px;cursor:pointer;font-size:17px}
.menu-btn{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 15px;border-radius:6px;font-weight:800;font-size:13px;border:1px solid transparent}
.btn-gold{background:var(--gold);color:#111722}.btn-gold:hover{background:#ffe17a;color:#111722}
.btn-outline{border-color:var(--line);color:var(--text);background:var(--panel)}.btn-outline:hover{border-color:var(--gold);color:var(--gold)}
.blog-hero{padding:74px 0 54px;border-bottom:1px solid var(--line);background:linear-gradient(140deg,color-mix(in srgb,var(--blue) 8%,var(--black)),var(--black) 55%,color-mix(in srgb,var(--gold) 7%,var(--black)))}
.eyebrow{color:var(--gold);font-size:11px;text-transform:uppercase;font-weight:900;letter-spacing:1.8px}
.blog-hero h1{max-width:850px;font-size:clamp(39px,6vw,70px);line-height:1.04;margin:12px 0 18px;letter-spacing:0}
.blog-hero p{max-width:700px;color:var(--muted);font-size:17px;margin:0}
.category-strip{display:flex;gap:8px;flex-wrap:wrap;margin-top:27px}.category-strip a{border:1px solid var(--line);color:var(--muted);padding:7px 11px;border-radius:5px;font-size:12px;font-weight:750;background:var(--panel)}.category-strip a:hover{border-color:var(--gold);color:var(--gold)}
.section{padding:52px 0}
.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:23px}
.section-head h2{font-size:29px;margin:4px 0 0}.section-head p{color:var(--muted);margin:0}
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.post-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;min-width:0;transition:transform .2s,border-color .2s}
.post-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--gold) 55%,var(--line))}
.post-image{aspect-ratio:16/9;background:var(--panel2);overflow:hidden}.post-image img{width:100%;height:100%;object-fit:cover;transition:transform .3s}.post-card:hover .post-image img{transform:scale(1.025)}
.post-placeholder{height:100%;display:grid;place-items:center;color:var(--gold);font-size:40px;font-weight:900;background:linear-gradient(135deg,var(--panel2),var(--panel))}
.post-body{padding:19px;display:flex;flex-direction:column;flex:1}
.post-meta{display:flex;gap:8px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:10px;text-transform:uppercase;font-weight:850;letter-spacing:.7px}
.post-meta .cat{color:var(--gold)}
.post-card h2,.post-card h3{font-size:20px;line-height:1.28;margin:10px 0 8px}.post-card h2 a,.post-card h3 a{color:var(--text)}
.post-card p{color:var(--muted);font-size:13px;margin:0 0 16px}
.read-link{margin-top:auto;font-size:12px;font-weight:850;color:var(--blue)}
.featured-card{display:grid;grid-template-columns:1.15fr 1fr;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.featured-card .post-image{aspect-ratio:auto;min-height:350px}.featured-card .post-body{padding:38px}.featured-card h2{font-size:34px;line-height:1.15;margin:13px 0}
.empty-posts{padding:45px;background:var(--panel);border:1px dashed var(--line);text-align:center;border-radius:var(--radius);color:var(--muted)}
.pagination{display:flex;gap:7px;justify-content:center;margin-top:28px}.pagination .page-numbers{padding:7px 11px;border:1px solid var(--line);background:var(--panel);border-radius:5px}.pagination .current{background:var(--gold);color:#111;border-color:var(--gold)}
.article-wrap{width:min(820px,calc(100% - 36px));margin:auto}
.article-header{padding:65px 0 34px;text-align:left}
.article-header h1{font-size:clamp(38px,6vw,62px);line-height:1.08;margin:13px 0 18px}
.article-sub{font-size:17px;color:var(--muted);max-width:760px}
.article-byline{display:flex;align-items:center;gap:12px;margin-top:21px;color:var(--muted);font-size:12px}.author-avatar{width:39px;height:39px;border-radius:50%;background:var(--gold);color:#111;display:grid;place-items:center;font-weight:900}
.article-featured{width:min(1050px,calc(100% - 36px));margin:0 auto 32px}.article-featured img{width:100%;max-height:590px;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line)}
.article-content{font-family:Inter,system-ui,sans-serif;font-size:17px;line-height:1.82}
.article-content h2{font-family:Manrope,sans-serif;font-size:31px;line-height:1.2;margin:42px 0 15px}.article-content h3{font-family:Manrope,sans-serif;font-size:23px;margin:31px 0 10px}
.article-content p,.article-content ul,.article-content ol{margin:0 0 20px}
.article-content blockquote{margin:30px 0;padding:19px 23px;border-left:5px solid var(--gold);background:var(--panel);color:var(--text);font-weight:650}
.article-content figure{margin:32px 0}.article-content figure img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:var(--radius)}.article-content figcaption{margin-top:9px;color:var(--muted);font-size:13px;line-height:1.5}
.article-toc{margin:28px 0;padding:22px 24px;background:var(--panel);border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:var(--radius)}.article-toc strong{display:block;margin-bottom:10px;font-family:Manrope,sans-serif;font-size:17px}.article-toc ul{margin:0;padding-left:20px;columns:2}.article-toc li{margin:6px 0}.article-toc a{color:var(--text)}.article-toc a:hover{color:var(--gold)}
.article-content table{width:100%;border-collapse:collapse;margin:26px 0;font-size:14px}.article-content th{background:var(--panel2);text-align:left}.article-content th,.article-content td{padding:11px;border:1px solid var(--line)}
.series-nav{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:42px 0}.series-link{border:1px solid var(--line);background:var(--panel);padding:15px;border-radius:6px}.series-link span{display:block;color:var(--muted);font-size:10px;text-transform:uppercase}.series-link b{display:block;color:var(--text);margin-top:5px}
.cta{margin:45px 0;padding:28px;background:linear-gradient(135deg,color-mix(in srgb,var(--gold) 18%,var(--panel)),var(--panel));border:1px solid color-mix(in srgb,var(--gold) 45%,var(--line));border-radius:var(--radius);display:flex;align-items:center;justify-content:space-between;gap:20px}.cta h3{font-size:23px;margin:0 0 5px}.cta p{color:var(--muted);margin:0}
.site-footer{border-top:1px solid var(--line);padding:45px 0 25px;background:var(--panel)}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:40px}.footer-grid h3{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--gold)}.footer-grid p,.footer-grid a{color:var(--muted);font-size:13px}.footer-links{display:grid;gap:7px}
.copyright{border-top:1px solid var(--line);margin-top:30px;padding-top:18px;color:var(--muted);font-size:11px;display:flex;justify-content:space-between;gap:12px}
.search-form{display:flex;gap:7px}.search-field{flex:1;background:var(--black);color:var(--text);border:1px solid var(--line);padding:10px;border-radius:5px}.search-submit{background:var(--gold);border:0;padding:10px 13px;border-radius:5px;font-weight:800}
.screen-reader-text{position:absolute;left:-9999px}
@media(max-width:900px){.post-grid{grid-template-columns:repeat(2,1fr)}.featured-card{grid-template-columns:1fr}.featured-card .post-image{min-height:260px}.footer-grid{grid-template-columns:1fr 1fr}.nav-links{display:none;position:absolute;left:0;right:0;top:70px;background:var(--panel);border-bottom:1px solid var(--line);padding:18px;flex-direction:column;align-items:flex-start}.nav-links.open{display:flex}.menu-btn{display:grid}}
@media(max-width:620px){.wrap,.article-wrap,.article-featured{width:min(100% - 24px,var(--max))}.post-grid{grid-template-columns:1fr}.featured-card .post-body{padding:22px}.featured-card h2{font-size:26px}.blog-hero{padding:48px 0 37px}.nav-row{gap:10px}.brand img{width:165px}.nav-actions .btn{display:none}.footer-grid{grid-template-columns:1fr}.copyright,.cta{align-items:flex-start;flex-direction:column}.series-nav{grid-template-columns:1fr}.article-content{font-size:16px}.article-content h2{font-size:27px}.article-toc ul{columns:1}}