/*
Theme Name: Insightify Express
Theme URI: https://insightifyexpress.com
Author: Insightify Express
Author URI: https://insightifyexpress.com
Description: A premium Modern Corporate WordPress theme for Insightify Express. Steel Blue + White + Silver Grey design system with a persistent full-height authority sidebar (credentials, stats, category directory) running beside every page, and a structured uniform content grid — structurally distinct from a hero-first, masonry, bento, or newspaper layout. Automatic relevant internal linking and full SEO / AEO / GEO optimization (JSON-LD schema + llms.txt) included.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: LICENSE
Text Domain: insightify
Tags: business, corporate, custom-colors, custom-logo, custom-menu, featured-images, translation-ready, grid-layout, one-column

Insightify Express is a proprietary premium theme built specifically for a modern-corporate authority portal.
*/

/* =========================================================
   0. DESIGN TOKENS
   ========================================================= */
:root{
  --steel:       #2E5C8A;
  --steel-dark:  #234868;
  --steel-light: #6E93B8;
  --silver:      #E4E7EB;
  --silver-2:    #EEF1F4;
  --grey:        #6B7480;
  --ink:         #1C2530;
  --white:       #FFFFFF;
  --line:        #D7DCE2;

  --font-head: 'Barlow Semi Condensed', 'Arial Narrow', sans-serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --font-ui:   'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm: 4px;
  --radius-md: 8px;
  --shadow-sm: 0 1px 3px rgba(28,37,48,.08);
  --shadow-md: 0 10px 28px rgba(28,37,48,.10);
  --container: 1360px;
}

/* =========================================================
   1. RESET / BASE
   ========================================================= */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--white);color:var(--ink);
  font-family:var(--font-body);font-weight:400;font-size:16.5px;line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-head);font-weight:700;line-height:1.16;
  letter-spacing:-.005em;margin:0 0 .5em;color:var(--ink);
}
p{margin:0 0 1.15em;}
button{font-family:var(--font-ui);cursor:pointer;}
:focus-visible{outline:2px solid var(--steel);outline-offset:2px;}
.screen-reader-text{position:absolute!important;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;}

.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:52px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-ui);font-weight:700;font-size:11px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--steel);
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--steel);display:inline-block;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,2.8vw,30px);margin:0;font-family:var(--font-head);}

/* =========================================================
   2. HEADER
   ========================================================= */
.ix-header{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;}
.ix-header-inner{max-width:var(--container);margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:28px;}
.ix-logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.ix-logo img{height:42px;width:auto;display:block;}
.ix-logo-icon{height:40px;width:40px;flex:0 0 auto;display:block;}
.ix-logo-word{display:flex;flex-direction:column;line-height:1.05;}
.ix-logo-word strong{font-family:var(--font-head);font-weight:700;font-size:18px;color:var(--ink);}
.ix-logo-word small{font-family:var(--font-ui);font-weight:600;font-size:9.5px;letter-spacing:.16em;color:var(--steel);text-transform:uppercase;margin-top:1px;}
.ix-footer .ix-logo-word strong{color:var(--white);}
.ix-footer .ix-logo-word small{color:var(--steel-light);}

.ix-primary-nav{flex:1 1 auto;}
.ix-primary-nav ul{display:flex;gap:2px;justify-content:center;flex-wrap:wrap;}
.ix-primary-nav a{
  display:inline-block;font-family:var(--font-ui);font-weight:600;font-size:13.5px;
  color:var(--ink);padding:10px 16px;border-radius:var(--radius-sm);transition:background .15s,color .15s;
}
.ix-primary-nav a:hover,.ix-primary-nav .current-menu-item a{background:var(--steel);color:var(--white);}

.ix-header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.ix-search-toggle{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:var(--silver-2);
  display:flex;align-items:center;justify-content:center;color:var(--steel);
}
.ix-search-toggle:hover{background:var(--steel);border-color:var(--steel);color:var(--white);}
.ix-menu-toggle{display:none;width:38px;height:38px;border:1px solid var(--line);background:var(--silver-2);border-radius:var(--radius-sm);align-items:center;justify-content:center;}

.ix-search-panel{max-height:0;overflow:hidden;background:var(--steel-dark);transition:max-height .25s ease;}
.ix-search-panel.is-open{max-height:90px;}
.ix-search-panel-inner{max-width:var(--container);margin:0 auto;padding:16px 24px;}
.ix-search-form{display:flex;max-width:520px;margin:0 auto;background:var(--white);border-radius:var(--radius-sm);overflow:hidden;}
.ix-search-form input[type="search"]{flex:1;border:none;padding:11px 14px;font-size:15px;font-family:var(--font-ui);color:var(--ink);}
.ix-search-form button{border:none;background:var(--steel);color:var(--white);font-family:var(--font-ui);font-weight:700;padding:0 22px;font-size:12.5px;letter-spacing:.03em;text-transform:uppercase;}
.ix-search-form button:hover{background:var(--steel-dark);}

/* =========================================================
   3. PAGE SHELL — persistent full-height sidebar + main column
   ========================================================= */
.ix-shell{display:grid;grid-template-columns:300px 1fr;gap:0;align-items:start;border-top:1px solid var(--line);}
.ix-sidebar{
  background:var(--silver-2);border-right:1px solid var(--line);
  padding:32px 24px;position:sticky;top:73px;align-self:start;
  min-height:calc(100vh - 73px);
}
.ix-sidebar-block{margin-bottom:30px;}
.ix-sidebar-block:last-child{margin-bottom:0;}
.ix-sidebar-block h4{font-family:var(--font-ui);font-weight:700;font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--steel-dark);margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--steel);}
.ix-trust-badges{display:flex;flex-direction:column;gap:14px;}
.ix-trust-badge{display:flex;gap:12px;align-items:flex-start;background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md);padding:14px;}
.ix-trust-badge svg{width:22px;height:22px;color:var(--steel);flex:0 0 auto;}
.ix-trust-badge strong{display:block;font-family:var(--font-head);font-size:18px;color:var(--ink);}
.ix-trust-badge span{display:block;font-family:var(--font-ui);font-size:10.5px;color:var(--grey);text-transform:uppercase;letter-spacing:.05em;}

.ix-sidebar-cats{display:flex;flex-direction:column;gap:2px;}
.ix-sidebar-cat{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:var(--radius-sm);
  font-family:var(--font-ui);font-size:13px;font-weight:600;color:var(--ink);transition:background .15s,color .15s;
}
.ix-sidebar-cat:hover{background:var(--white);color:var(--steel-dark);}
.ix-sidebar-cat-icon{color:var(--steel);flex:0 0 auto;display:flex;}
.ix-sidebar-cat-count{margin-left:auto;font-size:11px;color:var(--grey);}

.ix-sidebar-cta{background:var(--steel);color:var(--white);border-radius:var(--radius-md);padding:20px;text-align:center;}
.ix-sidebar-cta p{font-family:var(--font-ui);font-size:13px;color:rgba(255,255,255,.85);margin-bottom:14px;}
.ix-sidebar-cta a{display:inline-block;background:var(--white);color:var(--steel-dark);font-family:var(--font-ui);font-weight:700;font-size:12.5px;padding:10px 20px;border-radius:var(--radius-sm);text-transform:uppercase;letter-spacing:.03em;}

.ix-main{padding:32px 32px 56px;min-width:0;}

/* =========================================================
   4. COMPACT BANNER (contained within main column, not full-bleed)
   ========================================================= */
.ix-banner{
  background:linear-gradient(120deg,var(--steel-dark),var(--steel));
  border-radius:var(--radius-md);color:var(--white);padding:38px 40px;margin-bottom:36px;
  display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.ix-banner::before{
  content:"";position:absolute;top:-40px;right:-40px;width:220px;height:220px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.ix-banner-text{position:relative;z-index:1;max-width:600px;}
.ix-banner-cat{display:inline-block;background:rgba(255,255,255,.18);font-family:var(--font-ui);font-weight:700;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;padding:5px 12px;border-radius:20px;margin-bottom:14px;}
.ix-banner h1{color:var(--white);font-size:clamp(24px,3.2vw,34px);margin-bottom:10px;}
.ix-banner p{color:rgba(255,255,255,.82);font-size:14.5px;margin-bottom:0;font-family:var(--font-ui);}
.ix-banner-actions{position:relative;z-index:1;display:flex;flex-direction:column;gap:10px;align-items:flex-end;}
.ix-btn{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--font-ui);font-weight:700;font-size:13px;
  background:var(--white);color:var(--steel-dark);padding:12px 26px;border-radius:var(--radius-sm);border:none;white-space:nowrap;
}
.ix-btn:hover{background:var(--silver);}
.ix-banner-meta{font-family:var(--font-ui);font-size:11px;color:rgba(255,255,255,.75);text-transform:uppercase;letter-spacing:.05em;}

/* =========================================================
   5. PILLAR STRIP (category showcase within main column)
   ========================================================= */
.ix-pillars-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:36px;}
.ix-pillar{
  border:1px solid var(--line);border-radius:var(--radius-md);padding:18px;text-align:left;
  transition:border-color .15s,box-shadow .15s,transform .15s;
}
.ix-pillar:hover{border-color:var(--steel);box-shadow:var(--shadow-sm);transform:translateY(-2px);}
.ix-pillar-icon{width:38px;height:38px;border-radius:var(--radius-sm);background:var(--silver-2);display:flex;align-items:center;justify-content:center;color:var(--steel);margin-bottom:12px;}
.ix-pillar h3{font-size:14px;margin-bottom:2px;font-family:var(--font-ui);}
.ix-pillar p{font-size:11px;color:var(--grey);margin:0;font-family:var(--font-ui);}

/* =========================================================
   6. STRUCTURED GRID — uniform fixed-height cards (not masonry/bento)
   ========================================================= */
.ix-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.ix-card{border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;background:var(--white);display:flex;flex-direction:column;height:100%;transition:box-shadow .15s,border-color .15s;}
.ix-card:hover{box-shadow:var(--shadow-md);border-color:var(--steel-light);}
.ix-card-thumb{aspect-ratio:16/9;position:relative;overflow:hidden;background:var(--silver-2);}
.ix-card-thumb img{width:100%;height:100%;object-fit:cover;}
.ix-card-cat{position:absolute;top:12px;left:12px;background:var(--white);color:var(--steel-dark);font-family:var(--font-ui);font-weight:700;font-size:10px;letter-spacing:.06em;text-transform:uppercase;padding:5px 11px;border-radius:20px;}
.ix-card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;}
.ix-card-body h3{font-size:17px;margin-bottom:8px;font-family:var(--font-head);}
.ix-card-body h3 a:hover{color:var(--steel);}
.ix-card-excerpt{font-size:13.5px;color:#3C4652;margin-bottom:12px;flex:1;font-family:var(--font-body);}
.ix-card-meta{font-size:10.5px;color:var(--grey);font-weight:600;text-transform:uppercase;letter-spacing:.03em;display:flex;gap:8px;align-items:center;border-top:1px solid var(--line);padding-top:10px;font-family:var(--font-ui);}
.ix-card-meta .ix-dot{width:3px;height:3px;background:var(--grey);border-radius:50%;}

/* =========================================================
   7. OLDER POSTS
   ========================================================= */
.ix-pagination{display:flex;justify-content:center;margin-top:36px;}
.ix-older-posts{
  font-family:var(--font-ui);font-weight:700;font-size:13px;
  background:var(--steel-dark);color:var(--white);padding:13px 32px;border-radius:var(--radius-sm);
}
.ix-older-posts:hover{background:var(--steel);}

/* =========================================================
   8. SINGLE POST
   ========================================================= */
.ix-breadcrumbs{font-family:var(--font-ui);font-size:12px;color:var(--grey);margin-bottom:16px;}
.ix-breadcrumbs a:hover{color:var(--steel);}
.ix-breadcrumbs span{margin:0 8px;}

.ix-article-head{margin-bottom:24px;}
.ix-article-head h1{font-size:clamp(26px,3.6vw,38px);}
.ix-article-meta{
  display:flex;gap:14px;align-items:center;color:var(--grey);font-size:12px;font-weight:600;font-family:var(--font-ui);
  text-transform:uppercase;letter-spacing:.03em;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:12px 0;margin-top:16px;
}
.ix-article-meta .ix-dot{width:3px;height:3px;background:var(--grey);border-radius:50%;}
.ix-article-thumb{margin-bottom:28px;border-radius:var(--radius-md);overflow:hidden;aspect-ratio:16/9;}
.ix-article-thumb img{width:100%;height:100%;object-fit:cover;}
.ix-article-body{font-size:18px;color:#232C36;max-width:760px;}
.ix-article-body h2{font-size:25px;margin-top:1.6em;}
.ix-article-body h3{font-size:20px;margin-top:1.4em;}
.ix-article-body a{color:var(--steel-dark);text-decoration:underline;text-decoration-color:var(--steel-light);text-underline-offset:3px;font-weight:600;}
.ix-article-body a:hover{color:var(--steel);}
.ix-article-body img{border-radius:var(--radius-sm);margin:1.2em 0;}
.ix-article-body blockquote{
  border-left:3px solid var(--steel);margin:1.8em 0;padding:6px 0 6px 22px;
  font-style:italic;color:#2B3540;font-size:19px;
}
.ix-article-body ul,.ix-article-body ol{padding-left:1.4em;margin-bottom:1.2em;}
.ix-article-body li{margin-bottom:.4em;}

.ix-internal-links-group{
  background:var(--silver-2);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:16px 20px;margin:1.8em 0;font-size:14.5px;max-width:760px;
}
.ix-internal-links-group .ix-ilg-label{
  font-family:var(--font-ui);font-weight:700;font-size:10.5px;text-transform:uppercase;
  letter-spacing:.1em;color:var(--steel-dark);display:block;margin-bottom:10px;
}
.ix-internal-links-group ul{display:flex;flex-direction:column;gap:7px;}
.ix-internal-links-group a{font-weight:600;color:var(--ink);text-decoration:none;font-family:var(--font-ui);}
.ix-internal-links-group a:hover{color:var(--steel);text-decoration:underline;}

.ix-author-box{
  max-width:760px;margin:40px 0 0;padding:20px;border:1px solid var(--line);
  border-radius:var(--radius-md);background:var(--silver-2);display:flex;gap:16px;align-items:center;
}
.ix-author-box img{width:50px;height:50px;border-radius:50%;flex:0 0 auto;}
.ix-author-box strong{font-family:var(--font-head);font-size:14px;color:var(--ink);display:block;}
.ix-author-box span{font-family:var(--font-ui);font-size:12px;color:var(--grey);}

/* =========================================================
   9. RELATED POSTS
   ========================================================= */
.ix-related{margin-top:48px;padding-top:32px;border-top:2px solid var(--line);}
.ix-related h2{font-size:20px;margin-bottom:20px;font-family:var(--font-head);}
.ix-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}

/* =========================================================
   10. FOOTER
   ========================================================= */
.ix-footer{background:var(--steel-dark);color:var(--white);margin-top:0;}
.ix-footer-top{padding:48px 0 30px;}
.ix-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.ix-footer-brand p{color:rgba(255,255,255,.7);font-size:13.5px;margin-top:14px;max-width:280px;font-family:var(--font-ui);}
.ix-footer h4{color:var(--white);font-family:var(--font-ui);font-weight:700;font-size:11.5px;text-transform:uppercase;letter-spacing:.1em;margin-bottom:16px;}
.ix-footer ul li{margin-bottom:9px;}
.ix-footer a{color:rgba(255,255,255,.7);font-size:13.5px;font-family:var(--font-ui);}
.ix-footer a:hover{color:var(--white);}
.ix-footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:18px 0;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;
}
.ix-footer-bottom p{margin:0;font-size:12px;color:rgba(255,255,255,.65);font-family:var(--font-ui);}
.ix-footer-bottom ul{display:flex;gap:18px;}
.ix-footer-bottom a{font-size:12px;}

/* =========================================================
   11. ARCHIVE / SEARCH / 404 / STATIC
   ========================================================= */
.ix-page-header{margin-bottom:28px;}
.ix-page-header h1{font-size:clamp(24px,3.6vw,34px);margin-bottom:8px;}
.ix-page-header p{color:var(--grey);margin:0;font-family:var(--font-ui);}

.ix-static-page{max-width:760px;font-size:17px;}
.ix-static-page h1{font-size:clamp(26px,3.6vw,34px);margin-bottom:20px;}
.ix-static-page h2{font-size:21px;margin-top:1.6em;}

.ix-404{text-align:center;padding:60px 20px;}
.ix-404 .ix-404-code{font-family:var(--font-head);font-weight:700;font-size:88px;color:var(--silver);line-height:1;}
.ix-404 h1{font-size:24px;}

/* =========================================================
   12. RESPONSIVE
   ========================================================= */
@media (max-width:1080px){
  .ix-pillars-row{grid-template-columns:repeat(2,1fr);}
  .ix-related-grid{grid-template-columns:1fr;}
}
@media (max-width:900px){
  .ix-shell{grid-template-columns:1fr;}
  .ix-sidebar{position:static;min-height:0;border-right:none;border-bottom:1px solid var(--line);}
  .ix-sidebar-block{margin-bottom:22px;}
  .ix-main{padding:28px 20px 48px;}
  .ix-grid{grid-template-columns:1fr;}
  .ix-primary-nav{
    position:fixed;top:0;right:-300px;width:280px;height:100vh;background:var(--white);
    padding:90px 20px 20px;transition:right .25s ease;z-index:70;overflow-y:auto;box-shadow:none;
  }
  .ix-primary-nav.is-open{right:0;box-shadow:-8px 0 24px rgba(0,0,0,.14);}
  .ix-primary-nav ul{flex-direction:column;gap:2px;}
  .ix-primary-nav a{color:var(--ink);width:100%;padding:14px 12px;}
  .ix-menu-toggle{display:flex;}
  .ix-footer-grid{grid-template-columns:1fr 1fr;}
  .ix-banner{flex-direction:column;align-items:flex-start;}
  .ix-banner-actions{align-items:flex-start;}
}
@media (max-width:640px){
  .ix-pillars-row{grid-template-columns:1fr;}
  .ix-footer-grid{grid-template-columns:1fr;}
  .section{padding:36px 0;}
}