/*
Theme Name: CodeSignCert Blog
Theme URI: https://codesigncert.com/blog/
Author: CodeSignCert.com
Author URI: https://codesigncert.com
Description: Custom blog theme for CodeSignCert.com — built around the site's navy blue brand system, for publishing code signing, PKI, and cybersecurity technical content ("Code Signing Insights from Our Experts").
Version: 1.0.4
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: csc-blog
Tags: blog, two-columns, right-sidebar, custom-colors, custom-menu, translation-ready
*/

/* -----------------------------------------------------------
   1. CSS Variables — CodeSignCert brand system
----------------------------------------------------------- */
:root{
    --csc-navy-dark:   #09216e;
    --csc-navy:        #09216e;
    --csc-navy-light:  #09216e;
    --csc-accent:      #ff7a1a;   /* CTA orange, matches "Buy Now" buttons */
    --csc-accent-dark: #e2650a;
    --csc-text:        #232b32;
    --csc-text-light:  #5b6770;
    --csc-bg:          #ffffff;
    --csc-bg-alt:      #f4f7fa;
    --csc-border:      #e2e8ee;
    --csc-success:     #1c8a5a;
    --font-heading: 'Poppins', 'Segoe UI', Arial, sans-serif;
    --font-body:    'Inter', 'Segoe UI', Arial, sans-serif;
    --radius: 8px;
    --shadow: 0 2px 10px rgba(20,48,74,0.08);
}

/* -----------------------------------------------------------
   2. Reset / base
----------------------------------------------------------- */
*, *::before, *::after{ box-sizing: border-box; }
body{
    margin:0;
    font-family: var(--font-body);
    color: var(--csc-text);
    background: var(--csc-bg-alt);
    line-height: 1.7;
    font-size: 16px;
}
img{ max-width:100%; height:auto; display:block; }
a{ color: var(--csc-navy-light); text-decoration:none; }
a:hover{ color: var(--csc-accent); }
h1,h2,h3,h4,h5,h6{
    font-family: var(--font-heading);
    color: var(--csc-navy-dark);
    line-height:1.3;
    margin: 0 0 .6em;
}
h1{ font-size: 2.1rem; }
h2{ font-size: 1.6rem; }
h3{ font-size: 1.3rem; }
p{ margin: 0 0 1.2em; }
ul,ol{ padding-left: 1.3em; }
.screen-reader-text{
    position:absolute !important;
    clip: rect(1px,1px,1px,1px);
    width:1px; height:1px; overflow:hidden;
}
.container{
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
}

/* -----------------------------------------------------------
   3. Utility bar (top strip above main nav)
   Matches live site: transparent bg, dark text, border-bottom
----------------------------------------------------------- */
.utility-bar{
    background: #fff;
    color: var(--csc-text);
    font-size:.9rem;
    border-bottom: 1px solid #d9e6e7;
}
.utility-bar-inner{
    display:flex; align-items:center; justify-content:space-between;
    padding: 12px 0;
}
.utility-email{ color: var(--csc-text); text-decoration:none; display:flex; align-items:center; gap:8px; }
.utility-email:hover{ color: var(--csc-accent-dark); }
.utility-right{ display:flex; align-items:center; gap: 22px; }
.utility-social{ display:flex; gap:14px;  padding-left:18px; margin-left:18px; }
.utility-social a{ display:inline-flex; }
.utility-social img{ width:18px; height:18px; opacity:.7; }
.utility-social a:hover img{ opacity:1; }
.utility-links{ list-style:none; display:flex; gap:18px; margin:0; padding:0; }
.utility-links > li{ position:relative; }
.utility-links a{ color: var(--csc-text); }
.utility-links a:hover{ color: var(--csc-accent-dark); }

/* Round, white social icons — used in utility bar and footer */
.social-icon{
    display:inline-flex; align-items:center; justify-content:center;
    width: 30px; height: 30px; border-radius: 50%;
    background: rgba(2, 2, 2, 0.65);
    flex-shrink:0;
}
.social-icon img{
    width: 15px; height: 15px;
    filter: brightness(0) invert(1); /* forces the source icon to solid white */
}
.social-icon:hover{ background: var(--csc-accent); }

/* shared dropdown behavior for utility bar + main nav (non-mega) */
.menu-item-has-children{ position:relative; }
.menu-item-has-children > .sub-menu{
    display:none;
    position:absolute;
    top:100%; left:0;
    background:#fff;
    min-width: 220px;
    border-radius: 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.075);
    padding: 0;
    z-index: 200;
    list-style:none;
    margin: 0;
}
.menu-item-has-children:hover > .sub-menu,
.menu-item-has-children.open > .sub-menu{ display:block; }
.menu-item-has-children > .sub-menu li{ padding:0; }
.menu-item-has-children > .sub-menu a{
    display:block; padding: 10px 18px; color: var(--csc-text); font-size:.92rem; white-space:nowrap;
    border-bottom: 1px solid var(--csc-bg-alt);
}
.menu-item-has-children > .sub-menu a:hover{ background: var(--csc-bg-alt); color: var(--csc-accent-dark); }

/* -----------------------------------------------------------
   4. Site header / main nav
   Matches live site: white bg, dark nav links, large logo
----------------------------------------------------------- */
.site-header{
    background: #fff;
    color: var(--csc-text);
    position: sticky;
    top:0;
    z-index: 100;
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.site-header .header-inner{
    display:flex;
    align-items:center;
    gap: 24px;
    padding: 16px 0;
}
.site-branding{ display:flex; align-items:center; gap:12px; flex-shrink:0; }
.site-branding img.custom-logo{ max-height: 60px; width:auto; display:block; }
.site-branding a{ display:inline-flex; align-items:center; }
.site-title{ font-family: var(--font-heading); font-size:1.35rem; font-weight:700; color: var(--csc-navy-dark); margin:0; }
.site-title a{ color: var(--csc-navy-dark); }
.site-description{ font-size:.8rem; color: var(--csc-text-light); margin:0; }

.main-navigation{ flex:1; }
.main-navigation ul#primary-menu{
    list-style:none; display:flex; align-items:center; justify-content:flex-end;
    gap: 24px; margin:0; padding:0; flex-wrap:wrap;
}
.main-navigation > ul#primary-menu > li > a{
    color: #222; font-weight:400; font-size: 1rem; padding: 16px 0;
    border-bottom: 2px solid transparent;
    display:inline-flex; align-items:center; gap:6px;
}
.main-navigation a:hover,
.main-navigation .current-menu-item > a{
    color: var(--csc-accent-dark);
    border-bottom-color: var(--csc-accent);
}

/* Mega menu (Products) */
.mega-menu .mega-dropdown{
    display:none;
    position:absolute;
    top:100%; left:50%;
    transform: translateX(-50%);
    width: 640px;
    max-width: 90vw;
    background:#fff;
    border-radius: 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.075);
    padding: 18px;
    z-index: 200;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}
.mega-menu:hover .mega-dropdown,
.mega-menu.open .mega-dropdown{ display:grid; }
.mega-item{
    display:flex; align-items:center; gap:12px;
    padding: 10px 12px; border-radius:6px; color: var(--csc-text);
}
.mega-item:hover{ background: var(--csc-bg-alt); }
.mega-item img{ width:32px; height:32px; object-fit:contain; flex-shrink:0; }
.mega-item strong{ display:block; font-size:.88rem; color: var(--csc-navy-dark); }
.mega-item em{ display:block; font-size:.78rem; font-style:normal; color: var(--csc-text-light); }
.mega-item-all{ grid-column: 1 / -1; background: var(--csc-bg-alt); }
.mega-item-all:hover{ background: rgba(255,122,26,.12); }



.header-cta{
    background: var(--csc-accent);
    color:#fff !important;
    padding: 10px 22px;
    border-radius: 999px;
    font-weight:600;
    font-size:.9rem;
    white-space:nowrap;
    flex-shrink:0;
}
.header-cta:hover{ background: var(--csc-accent-dark); color:#fff !important; }

.menu-toggle{
    display:none;
    background:none; border:none; color: var(--csc-navy-dark);
    font-size:1.6rem; cursor:pointer;
}

/* -----------------------------------------------------------
   4. Page / hero banner (blog archive header)
----------------------------------------------------------- */
.page-hero{
    background: linear-gradient(120deg, var(--csc-navy-dark), var(--csc-navy));
    color:#fff;
    padding: 48px 0;
    text-align:center;
}
.page-hero h1{ color:#fff; margin-bottom:.3em; }
.page-hero p{ color:#cfe0f0; max-width:640px; margin:0 auto; }
.category .page-hero {
   margin-bottom: 40px !important;
}

.author .page-hero {
   margin-bottom: 40px !important;
}
/* -----------------------------------------------------------
   5. Layout
----------------------------------------------------------- */
.site-content{ padding: 48px 0 64px; }
.content-layout{
    display:grid;
    grid-template-columns: 2.2fr 1fr;
    gap: 40px;
    align-items:start;
}

/* -----------------------------------------------------------
   6. Blog cards (archive / index)
----------------------------------------------------------- */
.post-grid{ display:grid; gap: 28px; }
.post-card{
    background:#fff;
    border:1px solid var(--csc-border);
    border-radius: var(--radius);
    overflow:hidden;
    box-shadow: var(--shadow);
    transition: transform .15s ease, box-shadow .15s ease;
    display:flex;
    flex-direction:column;
}
.post-card:hover{ transform: translateY(-3px); box-shadow: 0 8px 24px rgba(20,48,74,0.14); }
.post-card .post-thumb{ aspect-ratio: 16/9; overflow:hidden; background: var(--csc-bg-alt); }
.post-card .post-thumb img{ width:100%; height:100%; object-fit:cover; }
.post-card .post-card-body{ padding: 22px 24px 26px; flex:1; display:flex; flex-direction:column; }
.post-card .post-meta{
    font-size:.8rem; color: var(--csc-text-light); text-transform:uppercase;
    letter-spacing:.03em; margin-bottom:8px; display:flex; gap:10px; flex-wrap:wrap;
}
.post-card .post-meta a{ color: var(--csc-navy-light); }
.post-card h2{ font-size:1.25rem; margin-bottom:.5em; }
.post-card h2 a{ color: var(--csc-navy-dark); }
.post-card h2 a:hover{ color: var(--csc-accent); }
.post-card .post-excerpt{ color: var(--csc-text-light); font-size:.95rem; flex:1; }
.read-more{
    margin-top: 14px;
    display:inline-flex; align-items:center; gap:6px;
    font-weight:600; font-size:.9rem; color: var(--csc-accent-dark);
}
.read-more:hover{ color: var(--csc-navy); }

.category-badge{
    display:none;
    background: rgba(255,122,26,.12);
    color: var(--csc-accent-dark);
    font-size:.72rem;
    font-weight:700;
    text-transform:uppercase;
    letter-spacing:.04em;
    padding: 3px 10px;
    border-radius: 999px;
}

/* Featured / first post variant on the main blog index */
.post-featured{ grid-column: 1 / -1; }
.post-featured .post-card-inner{ display:grid; grid-template-columns: 1.1fr 1fr; gap:0; }
.post-featured .post-thumb{ aspect-ratio: auto; height:100%; }
.post-featured .post-card-body{ padding: 32px; justify-content:center; }
.post-featured h2{ font-size:1.6rem; }
/* When there's no thumbnail, collapse to a single column */
.post-featured .post-card-inner:not(:has(.post-thumb)){
  grid-template-columns: 1fr;
}
@media (max-width: 782px){
    .post-featured .post-card-inner{ grid-template-columns: 1fr; }
}

/* -----------------------------------------------------------
   7. Single post
----------------------------------------------------------- */
.single-post-header{ margin-bottom: 28px; }
.single-post-header .post-meta{ font-size:.85rem; color:var(--csc-text-light); margin-bottom:10px; }
.single-post-header h1{ font-size:2.2rem; }
.single-featured-image{ margin: 24px 0; border-radius: var(--radius); overflow:hidden; box-shadow: var(--shadow); }

.entry-content{
    background:#fff;
    padding: 36px 40px;
    border-radius: var(--radius);
    border:1px solid var(--csc-border);
    box-shadow: var(--shadow);
}
.entry-content p{ max-width: 72ch; }
.entry-content h2{ margin-top:1.4em; border-bottom:2px solid var(--csc-bg-alt); padding-bottom:.3em; }
.entry-content h3{ margin-top:1.2em; }
.entry-content pre, .entry-content code{
    background: var(--csc-navy-dark);
    color:#e7eefc;
    border-radius:6px;
}
.entry-content code{ padding:2px 6px; font-size:.9em; }
.entry-content pre{ padding:18px 20px; overflow-x:auto; }
.entry-content pre code{ background:none; padding:0; }
.entry-content blockquote{
    margin: 1.5em 0;
    padding: 14px 22px;
    border-left: 4px solid var(--csc-accent);
    background: var(--csc-bg-alt);
    color: var(--csc-text-light);
}
.entry-content table{
    width:100%; border-collapse:collapse; margin: 1.5em 0; font-size:.95rem;
}
.entry-content table th, .entry-content table td{
    border:1px solid var(--csc-border); padding:10px 14px; text-align:left;
}
.entry-content table th{ background: var(--csc-navy); color:#fff; }
.entry-content table tr:hover{ background: var(--csc-bg-alt); }

.post-tags{ margin-top: 30px; padding-top:20px; border-top:1px solid var(--csc-border); }
.post-tags a{
    display:inline-block; background: var(--csc-bg-alt); color: var(--csc-text-light);
    padding: 4px 12px; border-radius: 999px; font-size:.82rem; margin: 0 6px 6px 0;
}
.post-tags a:hover{ background: var(--csc-navy); color:#fff; }

.author-box{
    display:flex; gap:18px; margin-top: 32px; padding: 24px;
    background:#fff; border:1px solid var(--csc-border); border-radius: var(--radius);
    box-shadow: var(--shadow);
    align-items:flex-start;
}
.author-box img{ border-radius:50%; width:64px; height:64px; }
.author-box h3{ margin-bottom:.2em; font-size:1.05rem; }
.author-box p{ margin:0; color: var(--csc-text-light); font-size:.92rem; }

.post-navigation{
    display:flex; justify-content:space-between; gap:20px; margin-top: 32px;
}
.post-navigation .nav-link{
    flex:1; background:#fff; border:1px solid var(--csc-border); border-radius: var(--radius);
    padding: 16px 20px; box-shadow: var(--shadow);
}
.post-navigation .nav-label{ font-size:.75rem; text-transform:uppercase; color: var(--csc-text-light); }
.post-navigation .nav-title{ font-weight:600; color: var(--csc-navy-dark); }

/* Inline CTA block for conversion within articles */
.inline-cta{
    background: linear-gradient(120deg, var(--csc-navy-dark), var(--csc-navy));
    color:#fff;
    border-radius: var(--radius);
    padding: 28px 32px;
    margin: 2em 0;
    display:flex; align-items:center; justify-content:space-between; gap:24px; flex-wrap:wrap;
}
.inline-cta h3{ color:#fff; margin:0 0 4px; }
.inline-cta p{ color:#cfe0f0; margin:0; }
.inline-cta .btn-accent{
    background: var(--csc-accent); color:#fff; padding:12px 24px; border-radius:999px;
    font-weight:700; white-space:nowrap;
}
.inline-cta .btn-accent:hover{ background: var(--csc-accent-dark); color:#fff; }

/* -----------------------------------------------------------
   8. Sidebar
----------------------------------------------------------- */
.widget{
    background:#fff; border:1px solid var(--csc-border); border-radius: var(--radius);
    padding: 22px 24px; margin-bottom: 26px; box-shadow: var(--shadow);
}
.widget-title{
    font-size:1rem; text-transform:uppercase; letter-spacing:.03em;
    border-bottom:2px solid var(--csc-bg-alt); padding-bottom:10px; margin-bottom:16px;
}
.widget ul{ list-style:none; padding:0; margin:0; }
.widget ul li{ padding: 8px 0; border-bottom:1px solid var(--csc-bg-alt); font-size:.92rem; }
.widget ul li:last-child{ border-bottom:none; }
.widget_search .search-form{ display:flex; gap:8px; }
.widget_search input[type="search"]{
    flex:1; padding:10px 12px; border:1px solid var(--csc-border); border-radius:6px;
}
.widget_search button{
    background: var(--csc-navy); color:#fff; border:none; padding:0 16px; border-radius:6px; cursor:pointer;
}
.widget_search button:hover{ background: var(--csc-accent); }

.widget:has(.wp-block-latest-comments){ display:none !important; }

.sidebar-cta{
    background: linear-gradient(150deg, var(--csc-navy-dark), var(--csc-navy-light));
    color:#fff; text-align:center;
}
.sidebar-cta h3{ color:#fff; }
.sidebar-cta p{ color:#cfe0f0; font-size:.9rem; }
.sidebar-cta .btn-accent{
    display:inline-block; background: var(--csc-accent); color:#fff; padding:10px 22px;
    border-radius:999px; font-weight:700; margin-top:8px;
}
.sidebar-cta .btn-accent:hover{ background:#fff; color: var(--csc-navy); }

/* -----------------------------------------------------------
   9. Pagination
----------------------------------------------------------- */
.pagination{ display:flex; justify-content:center; gap:8px; margin-top: 40px; }
.pagination a, .pagination span{
    padding: 8px 14px; border-radius:6px; border:1px solid var(--csc-border);
    background:#fff; font-size:.9rem; color: var(--csc-navy-dark);
}
.pagination .current{ background: var(--csc-navy); color:#fff; border-color: var(--csc-navy); }
.pagination a:hover{ background: var(--csc-bg-alt); }

/* -----------------------------------------------------------
   10. Comments
----------------------------------------------------------- */
.comments-area{ margin-top: 40px; }
.comment-list{ list-style:none; padding:0; margin:0; }
.comment-body{
    background:#fff; border:1px solid var(--csc-border); border-radius: var(--radius);
    padding:20px 22px; margin-bottom:16px;
}
.comment-author{ font-weight:700; color: var(--csc-navy-dark); }
.comment-metadata{ font-size:.8rem; color: var(--csc-text-light); }
.comment-form input, .comment-form textarea{
    width:100%; padding:10px 12px; border:1px solid var(--csc-border); border-radius:6px;
    margin-bottom:14px; font-family: var(--font-body);
}
.comment-form .form-submit input{
    width:auto; background: var(--csc-navy); color:#fff; border:none; padding:10px 26px;
    cursor:pointer; font-weight:600;
}
.comment-form .form-submit input:hover{ background: var(--csc-accent); }

/* -----------------------------------------------------------
   11. Newsletter band (sits directly above footer)
----------------------------------------------------------- */
.newsletter-band{
    background: linear-gradient(120deg, var(--csc-navy), var(--csc-navy-light));
    color:#fff;
    margin-top: 40px;
}
.newsletter-inner{
    display:flex; align-items:center; justify-content:space-between; gap:24px;
    padding: 30px 0; flex-wrap:wrap;
}
.newsletter-inner h3{ color:#fff; margin-bottom:.2em; }
.newsletter-inner p{ color:#cfe0f0; margin:0; font-size:.92rem; }
.newsletter-form{ display:flex; gap:10px; flex-wrap:wrap; }
.newsletter-form input[type="email"]{
    padding: 11px 16px; border-radius:999px; border:none; min-width:260px; font-family: var(--font-body);
}
.newsletter-form button{
    background: var(--csc-accent); color:#fff; border:none; padding: 11px 26px; border-radius:999px;
    font-weight:700; cursor:pointer; white-space:nowrap;
}
.newsletter-form button:hover{ background: var(--csc-accent-dark); }

/* -----------------------------------------------------------
   12. Footer
----------------------------------------------------------- */
.site-footer{
    background: var(--csc-navy-dark); color: #cfe0f0; padding: 50px 0 24px; margin-top: 0;
}
.footer-social{ display:flex; gap:8px; }
.footer-legal-links a{ margin-left: 14px; }
.footer-legal-links a:first-child{ margin-left:0; }
.footer-grid{
    display:grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; padding-bottom: 30px;
    border-bottom: 1px solid rgba(255,255,255,.12);
}
.footer-grid-5{ grid-template-columns: repeat(5, 1fr); }
.footer-grid h4{ color:#fff; font-size:.95rem; text-transform:uppercase; letter-spacing:.03em; margin-bottom:16px; }
.footer-grid ul{ list-style:none; padding:0; margin:0; }
.footer-grid ul li{ margin-bottom:8px; }
.footer-grid a{ color:#cfe0f0; font-size:.92rem; }
.footer-grid a:hover{ color: var(--csc-accent); }
.footer-bottom{
    display:flex; justify-content:space-between; align-items:center; padding-top: 22px; font-size:.85rem;
    color: #93a9c2; flex-wrap:wrap; gap:10px;
}
.footer-bottom a{ color:#93a9c2; }

/* -----------------------------------------------------------
   12. Responsive
----------------------------------------------------------- */
@media (max-width: 960px){
    .content-layout{ grid-template-columns: 1fr; }
}
@media (max-width: 1100px){
    .footer-grid-5{ grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 960px){
    .utility-links{ display:none; }
}
@media (max-width: 782px){
    .main-navigation{
        display:none;
        position:absolute; top:100%; left:0; right:0;
        background: #fff;
        padding: 10px 24px 20px;
        max-height: 80vh;
        overflow-y:auto;
        box-shadow: 0 4px 12px rgba(0,0,0,0.08);
        border-top: 1px solid var(--csc-border);
    }
    .main-navigation.toggled{ display:block; }
    .main-navigation ul#primary-menu{ flex-direction:column; align-items:stretch; gap:0; }
    .main-navigation ul#primary-menu > li{ border-bottom:1px solid var(--csc-border); }
    .main-navigation > ul#primary-menu > li > a{ color: var(--csc-text); }
    .menu-item-has-children > .sub-menu,
    .mega-menu .mega-dropdown{
        display:none;
        position:static; transform:none; width:auto; max-width:none;
        box-shadow:none; background: var(--csc-bg-alt); grid-template-columns: 1fr;
        margin: 0 0 8px;
    }
    .menu-item-has-children.open > .sub-menu,
    .mega-menu.open .mega-dropdown{ display:block; }
    .menu-item-has-children > .sub-menu a{ color: var(--csc-text); }
    .mega-item strong{ color: var(--csc-navy-dark); }
    .mega-item em{ color: var(--csc-text-light); }
    .menu-toggle{ display:block; }
    .header-cta{ display:none; }
}
@media (max-width: 480px){
    .footer-grid{ grid-template-columns: 1fr; }
    .inline-cta{ flex-direction:column; align-items:flex-start; }
}