/*
Theme Name: Tech Innovators
Theme URI: https://techinnovators.site/
Author: Tech Innovators Hub
Description: A modern tech-publication theme for Tech Innovators Hub — dark slate and electric blue on clean white. Hero, category tiles, article cards, newsletter band, FAQ, blog listing, single-post layout with right sidebar and ad-ready slots.
Version: 1.0.4
License: GNU General Public License v2 or later
Text Domain: techinnovators
*/

/* ============ Tokens & base ============ */
:root{
  --white:#ffffff;
  --ink:#0f172a;
  --slate:#1e293b;
  --slate-deep:#0b1220;
  --blue:#2563eb;
  --blue-deep:#1d4ed8;
  --blue-faint:#eff6ff;
  --muted:#64748b;
  --line:#e2e8f0;
  --card:#ffffff;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{background:var(--white);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.65}
img{max-width:100%;height:auto}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--blue-deep)}
h1,h2,h3,h4{font-family:var(--sans);font-weight:700;line-height:1.25;color:var(--ink);letter-spacing:-.01em}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:60px 0}
.section.alt{background:var(--blue-faint)}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:28px;gap:16px}
.sec-head h2{font-size:32px}
.sec-head .more{font-size:14px;font-weight:600;white-space:nowrap}
.kicker{display:inline-block;background:var(--blue);color:#fff;font-size:11px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;padding:5px 12px;border-radius:999px;margin-bottom:12px}

/* ============ Top bar ============ */
.topbar{background:var(--slate-deep);color:#cbd5e1;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;padding-top:8px;padding-bottom:8px;gap:12px}
.topbar a{color:#cbd5e1}
.topbar a:hover{color:#fff}

/* ============ Header / masthead ============ */
.masthead{background:var(--white);border-bottom:1px solid var(--line);padding:22px 20px 18px}
.masthead .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand-name{font-size:32px;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.brand-name span{color:var(--blue)}
.brand-tag{color:var(--muted);font-size:13px;margin-top:4px}
.masthead .tagline-chip{font-size:13px;color:var(--muted);border:1px solid var(--line);border-radius:999px;padding:8px 16px;white-space:nowrap}

/* ============ Nav ============ */
.mainnav{background:var(--white);position:sticky;top:0;z-index:50;border-bottom:1px solid var(--line);box-shadow:0 2px 12px rgba(15,23,42,.06)}
.mainnav .wrap{display:flex;align-items:center;justify-content:space-between}
.mainnav ul{list-style:none;display:flex;flex-wrap:wrap}
.mainnav ul li a{display:block;color:var(--ink);font-size:14px;font-weight:600;padding:16px 16px;border-bottom:3px solid transparent}
.mainnav ul li a:hover{color:var(--blue);border-bottom-color:var(--blue)}
.mainnav ul li.current-menu-item a{color:var(--blue);border-bottom-color:var(--blue)}
.menu-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:10px 14px;font-size:14px;font-weight:700;color:var(--ink);cursor:pointer;margin:10px 0}

/* ============ Ad slots (empty, ad-ready) ============ */
.mt-ad-header{margin:18px 0;display:flex;justify-content:center}
.mt-ad-incontent{margin:24px 0;display:flex;justify-content:center}
.side-ad{display:flex;justify-content:center}

/* ============ Hero ============ */
.hero-wrap{background:linear-gradient(180deg,var(--slate-deep),#16233c);padding:44px 0 52px;color:#e2e8f0;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:24px;position:relative}
.hero-main{position:relative;border-radius:16px;overflow:hidden;min-height:440px;display:flex;align-items:flex-end;background:#0a0f1c}
.hero-main .hero-img{position:absolute;inset:0}
.hero-main .hero-img img{width:100%;height:100%;object-fit:cover}
.hero-main .hero-text{position:relative;padding:32px;background:linear-gradient(transparent,rgba(4,8,18,.94));color:#fff;width:100%}
.hero-main h2{font-size:36px;color:#fff;margin:10px 0 12px}
.hero-main h2 a{color:#fff}
.hero-main h2 a:hover{color:#bfdbfe}
.hero-main .excerpt{color:#cbd5e1;font-size:16px;max-width:640px}
.hero-side{display:grid;gap:24px}
.hero-card{position:relative;border-radius:16px;overflow:hidden;min-height:208px;display:flex;align-items:flex-end;background:#0a0f1c}
.hero-card .hero-img{position:absolute;inset:0}
.hero-card .hero-img img{width:100%;height:100%;object-fit:cover}
.hero-card .hero-text{position:relative;padding:22px;background:linear-gradient(transparent,rgba(4,8,18,.94));color:#fff;width:100%}
.hero-card h3{font-size:20px;color:#fff}
.hero-card h3 a{color:#fff}
.hero-card h3 a:hover{color:#bfdbfe}
.meta{font-size:13px;color:var(--muted);margin-top:8px}
.hero-main .meta,.hero-card .meta{color:#94a3b8}
.meta .dot{margin:0 8px}

/* ============ Category tiles ============ */
.cat-tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cat-tile{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:26px 20px;text-align:center;transition:transform .15s,box-shadow .15s;box-shadow:0 4px 14px rgba(15,23,42,.05)}
.cat-tile:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(37,99,235,.14)}
.cat-tile .tile-icon{width:52px;height:52px;margin:0 auto 12px;border-radius:14px;background:var(--blue-faint);display:flex;align-items:center;justify-content:center;color:var(--blue);font-size:22px;font-weight:800}
.cat-tile h3{font-size:18px;margin-bottom:6px}
.cat-tile h3 a{color:var(--ink)}
.cat-tile p{font-size:13px;color:var(--muted)}
.cat-tile .count{display:inline-block;margin-top:10px;font-size:12px;font-weight:700;color:var(--blue)}

/* ============ Cards ============ */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 4px 14px rgba(15,23,42,.05)}
.card:hover{box-shadow:0 12px 28px rgba(37,99,235,.12)}
.card-img{aspect-ratio:16/10;overflow:hidden;background:var(--blue-faint)}
.card-img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .25s}
.card:hover .card-img img{transform:scale(1.04)}
.card-body{padding:20px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:19px;margin:8px 0 10px}
.card-body h3 a{color:var(--ink)}
.card-body h3 a:hover{color:var(--blue)}
.card-body .excerpt{font-size:14.5px;color:var(--muted);flex:1}
.card-readmore{display:inline-block;align-self:flex-start;margin:14px 0 12px;background:var(--blue);color:#fff;font-size:13.5px;font-weight:700;letter-spacing:.3px;padding:9px 22px;border-radius:999px;transition:background .15s,transform .15s}
.card-readmore:hover{background:var(--blue-deep);color:#fff;transform:translateY(-1px)}
.thumb-fallback{width:100%;height:100%;background:linear-gradient(135deg,#1e293b 0%,#2563eb 130%)}

/* ============ Newsletter band ============ */
.newsletter-band{background:linear-gradient(135deg,var(--slate-deep),#1e3a8a);border-radius:18px;padding:52px 40px;text-align:center;color:#e2e8f0;max-width:960px;margin:0 auto;box-shadow:0 14px 34px rgba(15,23,42,.22)}
.newsletter-band h2{color:#fff;font-size:32px;margin-bottom:10px}
.newsletter-band p{color:#cbd5e1;max-width:560px;margin:0 auto 24px}
.newsletter-band form{display:flex;gap:10px;max-width:520px;margin:0 auto}
.newsletter-band input[type=email]{flex:1;padding:14px 18px;border:0;border-radius:10px;font-size:16px}
.newsletter-band button{background:var(--blue);color:#fff;border:0;border-radius:10px;padding:14px 30px;font-size:15px;font-weight:700;letter-spacing:1px;text-transform:uppercase;cursor:pointer}
.newsletter-band button:hover{background:var(--blue-deep)}
.newsletter-band .fine{font-size:12.5px;margin:14px 0 0;color:#94a3b8}
.nl-msg{margin:14px 0 0;font-size:15px;font-weight:600}
.nl-msg.ok{color:#a7f3d0}
.nl-msg.err{color:#fca5a5}

/* ============ FAQ ============ */
.faq-list{max-width:820px;margin:0 auto}
.faq-list details{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:12px;padding:18px 22px;box-shadow:0 3px 10px rgba(15,23,42,.04)}
.faq-list summary{font-size:18px;font-weight:700;cursor:pointer;color:var(--ink)}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";float:right;color:var(--blue);font-size:24px;line-height:1}
.faq-list details[open] summary::after{content:"–"}
.faq-list p{margin-top:12px;color:#3c4b5c;font-size:15.5px}

/* ============ Single post ============ */
.crumbs{font-size:13.5px;color:var(--muted);margin:26px 0 18px}
.crumbs a{color:var(--blue)}
.crumbs .sep{margin:0 8px;color:#b9c8d2}
.post-layout{display:grid;grid-template-columns:1fr 320px;gap:40px;align-items:start}
.post-head h1{font-size:40px;margin:12px 0 14px;letter-spacing:-.015em}
.byline{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;font-size:14px;color:var(--muted);margin-bottom:8px}
.byline .reviewed{display:inline-flex;align-items:center;gap:6px;background:#e9f2ff;border:1px solid #c9dcf8;color:#1d4ed8;font-weight:600;border-radius:999px;padding:4px 14px;font-size:13px}
.post-thumb{margin:22px 0;border-radius:14px;overflow:hidden;box-shadow:0 8px 24px rgba(15,23,42,.1)}
.post-thumb img{width:100%;height:auto;display:block}
.entry{font-size:17.5px;line-height:1.75;color:#2b3a4c}
.entry p{margin-bottom:1.4em}
.entry h2{font-size:29px;margin:1.6em 0 .7em}
.entry h3{font-size:22px;margin:1.4em 0 .6em}
.entry ul,.entry ol{margin:0 0 1.4em 1.4em}
.entry li{margin-bottom:.5em}
.entry blockquote{border-left:4px solid var(--blue);background:var(--blue-faint);padding:16px 22px;margin:0 0 1.4em;border-radius:0 10px 10px 0}
.entry table{width:100%;border-collapse:collapse;margin:0 0 1.4em;font-size:15px}
.entry th{background:var(--blue);color:#fff;text-align:left;padding:10px 14px}
.entry td{border:1px solid var(--line);padding:10px 14px}
.entry th{border:1px solid var(--blue)}
.post-tags{margin:28px 0;font-size:14px}
.post-tags a{display:inline-block;background:var(--blue-faint);border:1px solid #dbe7fb;border-radius:999px;padding:5px 14px;margin:0 6px 8px 0;color:var(--blue-deep)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:10px 0 50px}
.post-nav a{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 20px;color:var(--ink);box-shadow:0 3px 10px rgba(15,23,42,.04)}
.post-nav .label{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--blue);font-weight:700}
.post-nav .next{text-align:right}

/* ============ Sidebar ============ */
.sidebar .side-widget{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;margin-bottom:24px;box-shadow:0 4px 14px rgba(15,23,42,.05)}
.side-title{font-size:19px;margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--blue)}
.sidebar form{display:flex;gap:8px}
.sidebar input[type=search]{flex:1;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px;min-width:0}
.sidebar button{background:var(--blue);color:#fff;border:0;border-radius:8px;padding:10px 16px;font-weight:700;cursor:pointer}
.sidebar ul{list-style:none}
.sidebar ul li{padding:9px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.sidebar ul li:last-child{border-bottom:0}
.sidebar ul li a{color:var(--ink)}
.sidebar ul li a:hover{color:var(--blue)}
.sidebar .wp-block-latest-posts li a,.sidebar .wp-block-latest-comments li a{color:var(--ink)}

/* ============ Blog listing ============ */
.page-head{padding:44px 0 8px}
.page-head h1{font-size:42px;letter-spacing:-.02em}
.page-head p{color:var(--muted);margin-top:8px;max-width:640px}
.pagination{margin:40px 0 60px;text-align:center}
.pagination .page-numbers{display:inline-block;min-width:44px;padding:10px 14px;margin:0 4px;border:1px solid var(--line);border-radius:999px;color:var(--ink);font-weight:600;font-size:14px}
.pagination .page-numbers.current{background:var(--blue);border-color:var(--blue);color:#fff}
.pagination a.page-numbers:hover{border-color:var(--blue);color:var(--blue)}
.nothing-found{padding:60px 0;text-align:center}
.nothing-found h1{font-size:42px;margin-bottom:14px}
.big-search{max-width:520px;margin:26px auto;display:flex;gap:8px}
.big-search input[type=search]{flex:1;padding:13px 16px;border:1px solid var(--line);border-radius:10px;font-size:16px}
.big-search button{background:var(--blue);color:#fff;border:0;border-radius:10px;padding:13px 26px;font-weight:700;cursor:pointer}

/* ============ Pages ============ */
.page-wrap{max-width:820px;margin:0 auto;padding:10px 0 60px}
.page-wrap .post-thumb{margin:22px 0}

/* ============ Footer ============ */
.site-footer{background:var(--slate-deep);color:#cbd5e1;margin-top:70px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding:56px 0 40px}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;letter-spacing:.4px}
.site-footer p{font-size:14px;color:#94a3b8}
.foot-brand{font-size:24px;font-weight:800;color:#fff;margin-bottom:10px}
.foot-brand span{color:#60a5fa}
.site-footer ul{list-style:none}
.site-footer ul li{margin-bottom:10px;font-size:14px}
.site-footer ul li a{color:#cbd5e1}
.site-footer ul li a:hover{color:#fff}
.foot-bottom{border-top:1px solid #1e293b;padding:20px 0;font-size:13px;color:#94a3b8}
.foot-bottom .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}

/* ============ Responsive ============ */
@media (max-width:1024px){
  .cat-tiles{grid-template-columns:repeat(3,1fr)}
  .cards-grid{grid-template-columns:repeat(2,1fr)}
  .post-layout{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .menu-toggle{display:block}
  .mainnav ul{display:none;flex-direction:column;width:100%}
  .mainnav.open ul{display:flex}
  .mainnav ul li a{padding:12px 4px;border-bottom:1px solid var(--line)}
  .hero-grid{grid-template-columns:1fr}
  .hero-main{min-height:340px}
  .hero-main h2{font-size:29px}
  .cat-tiles{grid-template-columns:repeat(2,1fr)}
  .cards-grid{grid-template-columns:1fr}
  .newsletter-band form{flex-direction:column}
  .newsletter-band{padding:40px 24px}
  .post-head h1{font-size:31px}
  .page-head h1{font-size:32px}
  .post-nav{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .sec-head h2{font-size:26px}
  .brand-name{font-size:26px}
  .topbar .wrap{flex-direction:column;gap:4px;text-align:center}
}

/* ============ Comments ============ */
.comments-area{margin:44px 0 24px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:32px;box-shadow:0 4px 14px rgba(15,23,42,.05)}
.comments-title{font-size:24px;margin-bottom:20px}
.comment-list{list-style:none;margin:0 0 8px}
.comment-list .comment{border-bottom:1px solid var(--line);padding:18px 0}
.comment-list .comment:last-child{border-bottom:0}
.comment-author{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.comment-author img{border-radius:50%}
.comment-author .fn{font-weight:700;color:var(--ink);font-style:normal}
.comment-author .says{display:none}
.comment-metadata{font-size:13px;color:var(--muted);margin-bottom:10px}
.comment-metadata a{color:var(--muted)}
.comment-content{font-size:15.5px;color:#3c4b5c}
.comment-content p{margin-bottom:1em}
.reply{margin-top:10px}
.comment-reply-link{display:inline-block;font-size:13px;font-weight:700;color:var(--blue);border:1px solid #dbe7fb;border-radius:999px;padding:6px 18px;background:var(--blue-faint)}
.comment-reply-link:hover{background:var(--blue);color:#fff}
.comment-list .children{list-style:none;margin:16px 0 0 28px;padding-left:20px;border-left:2px solid var(--line)}
.comment-respond{margin-top:28px}
.comment-reply-title{font-size:22px;margin-bottom:6px}
.comment-notes,.logged-in-as{font-size:14px;color:var(--muted);margin-bottom:18px}
.comment-form p{margin-bottom:16px}
.comment-form label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px}
.comment-form textarea,.comment-form input[type=text],.comment-form input[type=email],.comment-form input[type=url]{width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:10px;font-size:15.5px;font-family:inherit;background:#f8fafc;color:var(--ink)}
.comment-form textarea:focus,.comment-form input[type=text]:focus,.comment-form input[type=email]:focus,.comment-form input[type=url]:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.comment-form textarea{min-height:140px;resize:vertical}
.comment-form-cookies-consent{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted)}
.comment-form-cookies-consent input{margin-top:4px}
.comment-form-cookies-consent label{font-weight:400;margin:0}
.form-submit{margin:4px 0 0}
.comment-form .submit{background:var(--blue);color:#fff;border:0;border-radius:999px;padding:12px 34px;font-size:15px;font-weight:700;cursor:pointer;letter-spacing:.3px}
.comment-form .submit:hover{background:var(--blue-deep)}
.no-comments{font-size:14.5px;color:var(--muted);margin-top:16px}
@media (max-width:760px){.comments-area{padding:22px}}