/*
Theme Name: CloudShield
Theme URI: https://example.com/cloudshield
Author: CloudShield Team
Author URI: https://example.com
Description: A professional, fast, AdSense-ready WordPress theme purpose-built for DevOps, AWS Cloud, and Cyber Security blogs. Includes accessible navigation, schema-friendly markup, AMP-friendly typography, ad placement zones, privacy/about/contact page templates, and full responsive design.
Version: 2.0.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: cloudshield
Tags: blog, technology, two-columns, right-sidebar, custom-menu, custom-logo, featured-images, threaded-comments, translation-ready, block-styles, wide-blocks, accessibility-ready
*/

/* =========================================================
   1. Design Tokens
   ========================================================= */
:root{
  --cs-bg:#ffffff;
  --cs-surface:#f7f9fc;
  --cs-surface-2:#eef2f7;
  --cs-text:#0f1b2d;
  --cs-text-muted:#4a5a70;
  --cs-text-soft:#6b7a90;
  --cs-border:#e3e8f0;
  --cs-border-strong:#cfd6e2;
  --cs-primary:#0b3d91;       /* deep AWS-ish navy */
  --cs-primary-700:#082c69;
  --cs-accent:#ff9900;        /* AWS orange */
  --cs-accent-700:#cc7a00;
  --cs-success:#0f7b4a;
  --cs-danger:#b91c1c;
  --cs-info:#0d6efd;
  --cs-code-bg:#0f172a;
  --cs-code-text:#e2e8f0;
  --cs-radius:10px;
  --cs-radius-sm:6px;
  --cs-shadow-sm:0 1px 2px rgba(15,27,45,.06);
  --cs-shadow:0 6px 24px rgba(15,27,45,.08);
  --cs-container:1180px;
  --cs-font-sans:"Inter",system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  --cs-font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;
}

/* =========================================================
   2. Base
   ========================================================= */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--cs-font-sans);
  font-size:17px;
  line-height:1.7;
  color:var(--cs-text);
  background:var(--cs-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg,video{max-width:100%;height:auto;display:block}
a{color:var(--cs-primary);text-decoration:none}
a:hover,a:focus{color:var(--cs-accent-700);text-decoration:underline}
:focus-visible{outline:3px solid var(--cs-accent);outline-offset:2px;border-radius:4px}

h1,h2,h3,h4,h5,h6{
  font-family:var(--cs-font-sans);
  font-weight:700;
  line-height:1.25;
  color:var(--cs-text);
  margin:1.6em 0 .6em;
  letter-spacing:-.01em;
}
h1{font-size:2.1rem}
h2{font-size:1.6rem}
h3{font-size:1.3rem}
h4{font-size:1.1rem}
p,ul,ol,blockquote,table,pre{margin:0 0 1.1em}
ul,ol{padding-left:1.4em}
hr{border:0;border-top:1px solid var(--cs-border);margin:2em 0}

blockquote{
  border-left:4px solid var(--cs-accent);
  background:var(--cs-surface);
  padding:1em 1.2em;
  margin:1.5em 0;
  border-radius:var(--cs-radius-sm);
  color:var(--cs-text-muted);
  font-style:italic;
}

code,kbd,samp{
  font-family:var(--cs-font-mono);
  font-size:.92em;
  background:var(--cs-surface-2);
  color:var(--cs-text);
  padding:.15em .4em;
  border-radius:4px;
}
pre{
  background:var(--cs-code-bg);
  color:var(--cs-code-text);
  padding:1.1em 1.2em;
  border-radius:var(--cs-radius);
  overflow-x:auto;
  font-size:.92rem;
  line-height:1.6;
}
pre code{background:transparent;color:inherit;padding:0}

table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:.95rem}
th,td{padding:.7em .9em;border-bottom:1px solid var(--cs-border);text-align:left}
th{background:var(--cs-surface);font-weight:600}

.skip-link{
  position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;
}
.skip-link:focus{
  position:fixed;left:1rem;top:1rem;width:auto;height:auto;
  background:var(--cs-primary);color:#fff;padding:.6em 1em;border-radius:6px;z-index:9999;
}

.screen-reader-text{
  border:0;clip:rect(1px,1px,1px,1px);clip-path:inset(50%);
  height:1px;width:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;word-wrap:normal!important;
}

/* =========================================================
   3. Layout
   ========================================================= */
.cs-container{
  width:100%;max-width:var(--cs-container);
  margin-inline:auto;padding-inline:clamp(16px,3vw,28px);
}
.cs-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;align-items:start;margin:40px 0 64px;
}
@media (max-width:960px){.cs-layout{grid-template-columns:1fr;gap:32px}}

/* =========================================================
   4. Header
   ========================================================= */
.cs-topbar{
  background:var(--cs-primary);color:#fff;font-size:.85rem;
}
.cs-topbar .cs-container{display:flex;justify-content:space-between;gap:16px;padding-block:8px;flex-wrap:wrap}
.cs-topbar a{color:#fff;opacity:.9}
.cs-topbar a:hover{opacity:1;text-decoration:underline}

.cs-header{
  background:var(--cs-bg);
  border-bottom:1px solid var(--cs-border);
  position:sticky;top:0;z-index:50;
  box-shadow:var(--cs-shadow-sm);
}
.cs-header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding-block:14px;
}
.cs-brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:1.25rem;color:var(--cs-text)}
.cs-brand:hover{text-decoration:none;color:var(--cs-primary)}
.cs-brand-mark{
  width:36px;height:36px;border-radius:8px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cs-primary),#1d5fd1);color:#fff;font-weight:800;
  box-shadow:var(--cs-shadow-sm);
}
.cs-brand-tag{font-size:.7rem;font-weight:600;color:var(--cs-text-soft);letter-spacing:.08em;text-transform:uppercase}

/* Nav */
.cs-nav{display:flex;align-items:center;gap:8px}
.cs-menu{list-style:none;display:flex;gap:4px;margin:0;padding:0;flex-wrap:wrap}
.cs-menu a{
  display:inline-block;padding:.55em .9em;border-radius:8px;
  color:var(--cs-text);font-weight:500;font-size:.97rem;
}
.cs-menu a:hover,.cs-menu .current-menu-item>a,.cs-menu .current_page_item>a{
  background:var(--cs-surface);color:var(--cs-primary);text-decoration:none;
}
.cs-menu .sub-menu{
  display:none;position:absolute;background:#fff;border:1px solid var(--cs-border);
  border-radius:10px;box-shadow:var(--cs-shadow);padding:8px;min-width:220px;margin-top:6px;list-style:none;z-index:60;
}
.cs-menu li{position:relative}
.cs-menu li:hover>.sub-menu,.cs-menu li:focus-within>.sub-menu{display:block}
.cs-menu .sub-menu a{display:block;padding:.5em .8em}

.cs-menu-toggle{
  display:none;background:transparent;border:1px solid var(--cs-border);
  border-radius:8px;padding:.5em .7em;font-weight:600;cursor:pointer;
}

@media (max-width:860px){
  .cs-menu-toggle{display:inline-flex;align-items:center;gap:8px}
  .cs-nav .cs-menu{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;border-top:1px solid var(--cs-border);padding:12px}
  .cs-nav.is-open .cs-menu{display:flex}
  .cs-menu .sub-menu{position:static;box-shadow:none;border:0;padding-left:12px}
}

/* =========================================================
   5. Hero
   ========================================================= */
.cs-hero{
  background:linear-gradient(135deg,#0b3d91 0%,#10245c 60%,#0a1a3f 100%);
  color:#fff;padding:64px 0;position:relative;overflow:hidden;
}
.cs-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px circle at 80% 20%,rgba(255,153,0,.18),transparent 60%);
  pointer-events:none;
}
.cs-hero h1{color:#fff;font-size:clamp(1.9rem,3.5vw,2.8rem);margin:0 0 .4em;max-width:780px}
.cs-hero p{color:#cdd7ea;max-width:720px;font-size:1.08rem;margin:0 0 1.4em}
.cs-hero-cta{display:flex;gap:12px;flex-wrap:wrap}

.cs-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:.75em 1.2em;border-radius:8px;font-weight:600;font-size:.97rem;
  border:1px solid transparent;cursor:pointer;transition:transform .15s,background .15s;
}
.cs-btn-primary{background:var(--cs-accent);color:#1a1a1a}
.cs-btn-primary:hover{background:var(--cs-accent-700);color:#fff;text-decoration:none;transform:translateY(-1px)}
.cs-btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.cs-btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;text-decoration:none}

/* =========================================================
   6. Cards / Posts
   ========================================================= */
.cs-section-title{
  display:flex;align-items:baseline;justify-content:space-between;
  margin:8px 0 20px;border-bottom:1px solid var(--cs-border);padding-bottom:10px;
}
.cs-section-title h2{margin:0;font-size:1.35rem}
.cs-section-title a{font-size:.9rem;font-weight:600}

.cs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}

.cs-card{
  background:#fff;border:1px solid var(--cs-border);border-radius:var(--cs-radius);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .18s,box-shadow .18s,border-color .18s;
}
.cs-card:hover{transform:translateY(-2px);box-shadow:var(--cs-shadow);border-color:var(--cs-border-strong)}
.cs-card-media{aspect-ratio:16/9;background:var(--cs-surface-2);overflow:hidden}
.cs-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.cs-card:hover .cs-card-media img{transform:scale(1.04)}
.cs-card-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.cs-card-title{font-size:1.1rem;line-height:1.35;margin:0;font-weight:700}
.cs-card-title a{color:var(--cs-text)}
.cs-card-title a:hover{color:var(--cs-primary);text-decoration:none}
.cs-card-excerpt{color:var(--cs-text-muted);font-size:.95rem;margin:0}
.cs-card-meta{
  margin-top:auto;display:flex;align-items:center;gap:10px;
  font-size:.82rem;color:var(--cs-text-soft);
}

.cs-cats{display:flex;gap:6px;flex-wrap:wrap}
.cs-chip{
  display:inline-block;padding:.2em .65em;font-size:.72rem;font-weight:700;
  letter-spacing:.04em;text-transform:uppercase;border-radius:999px;
  background:var(--cs-surface-2);color:var(--cs-text-muted);
}
.cs-chip--devops{background:#e6f4ea;color:#0f7b4a}
.cs-chip--aws{background:#fff1d6;color:#a85a00}
.cs-chip--security{background:#fde2e2;color:#a31818}
.cs-chip--cloud{background:#e1ecff;color:#0b3d91}

/* =========================================================
   7. Single Post
   ========================================================= */
.cs-article{
  background:#fff;border:1px solid var(--cs-border);
  border-radius:var(--cs-radius);padding:clamp(20px,3vw,40px);
}
.cs-article-header{margin-bottom:1.4em;padding-bottom:1.2em;border-bottom:1px solid var(--cs-border)}
.cs-article-header h1{margin:.3em 0 .35em;font-size:clamp(1.7rem,3vw,2.4rem)}
.cs-article-meta{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  font-size:.88rem;color:var(--cs-text-soft);
}
.cs-article-meta .cs-author{display:flex;align-items:center;gap:8px;font-weight:600;color:var(--cs-text-muted)}
.cs-article-meta img{width:28px;height:28px;border-radius:999px}

.cs-content{font-size:1.05rem}
.cs-content > *{max-width:100%}
.cs-content figure{margin:1.6em 0}
.cs-content figcaption{font-size:.85rem;color:var(--cs-text-soft);text-align:center;margin-top:.4em}
.cs-content .alignwide{margin-inline:calc(50% - 50vw + 24px);max-width:none;width:auto}
.cs-content .alignfull{margin-inline:calc(50% - 50vw);max-width:none;width:100vw}
.cs-content .alignleft{float:left;margin:.4em 1.4em 1em 0;max-width:50%}
.cs-content .alignright{float:right;margin:.4em 0 1em 1.4em;max-width:50%}
.cs-content .aligncenter{margin-inline:auto;display:block}

.cs-tags{margin-top:2em;display:flex;flex-wrap:wrap;gap:8px}
.cs-tags a{
  font-size:.82rem;padding:.3em .7em;border:1px solid var(--cs-border);
  border-radius:999px;color:var(--cs-text-muted);
}
.cs-tags a:hover{background:var(--cs-surface);text-decoration:none;color:var(--cs-primary)}

.cs-author-box{
  margin-top:2.4em;padding:1.4em;background:var(--cs-surface);
  border:1px solid var(--cs-border);border-radius:var(--cs-radius);
  display:flex;gap:16px;align-items:flex-start;
}
.cs-author-box img{width:64px;height:64px;border-radius:999px;flex-shrink:0}
.cs-author-box h3{margin:.1em 0 .3em;font-size:1.1rem}
.cs-author-box p{margin:0;color:var(--cs-text-muted);font-size:.95rem}

/* =========================================================
   8. Sidebar
   ========================================================= */
.cs-sidebar .widget{
  background:#fff;border:1px solid var(--cs-border);border-radius:var(--cs-radius);
  padding:20px;margin-bottom:24px;
}
.cs-sidebar .widget-title{
  font-size:.85rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;
  margin:0 0 14px;color:var(--cs-primary);
}
.cs-sidebar ul{list-style:none;padding:0;margin:0}
.cs-sidebar li{padding:6px 0;border-bottom:1px dashed var(--cs-border)}
.cs-sidebar li:last-child{border-bottom:0}
.cs-sidebar a{color:var(--cs-text)}
.cs-sidebar a:hover{color:var(--cs-primary)}

.cs-search{display:flex;gap:8px}
.cs-search input[type="search"]{
  flex:1;padding:.6em .8em;border:1px solid var(--cs-border);
  border-radius:8px;font:inherit;background:var(--cs-surface);
}
.cs-search button{
  background:var(--cs-primary);color:#fff;border:0;border-radius:8px;
  padding:.6em 1em;font-weight:600;cursor:pointer;
}
.cs-search button:hover{background:var(--cs-primary-700)}

/* =========================================================
   9. Ad zones (AdSense-friendly placeholders)
   ========================================================= */
.cs-ad{
  margin:24px 0;padding:14px;background:var(--cs-surface);
  border:1px dashed var(--cs-border-strong);border-radius:var(--cs-radius);
  text-align:center;color:var(--cs-text-soft);font-size:.78rem;
  text-transform:uppercase;letter-spacing:.08em;
}
.cs-ad .cs-ad-label{display:block;margin-bottom:6px}
.cs-ad ins{display:block;min-height:90px}

/* =========================================================
   10. Comments
   ========================================================= */
.cs-comments{margin-top:2em}
.cs-comments h2{font-size:1.3rem}
.cs-comments ol{list-style:none;padding:0}
.cs-comment{
  padding:1.2em;margin:1em 0;background:var(--cs-surface);
  border:1px solid var(--cs-border);border-radius:var(--cs-radius);
}
.cs-comment .comment-author{display:flex;align-items:center;gap:10px;font-weight:600}
.cs-comment .comment-author img{width:36px;height:36px;border-radius:999px}
.cs-comment .comment-meta{font-size:.82rem;color:var(--cs-text-soft);margin-bottom:.6em}
.cs-comment-form label{display:block;font-size:.9rem;font-weight:600;margin-bottom:4px}
.cs-comment-form input[type="text"],
.cs-comment-form input[type="email"],
.cs-comment-form input[type="url"],
.cs-comment-form textarea{
  width:100%;padding:.6em .8em;border:1px solid var(--cs-border);
  border-radius:8px;font:inherit;background:#fff;margin-bottom:1em;
}
.cs-comment-form .submit{
  background:var(--cs-primary);color:#fff;border:0;padding:.7em 1.3em;
  border-radius:8px;font-weight:600;cursor:pointer;
}
.cs-comment-form .submit:hover{background:var(--cs-primary-700)}

/* =========================================================
   11. Pagination
   ========================================================= */
.cs-pagination{
  display:flex;justify-content:center;gap:6px;margin:32px 0;flex-wrap:wrap;
}
.cs-pagination .page-numbers{
  padding:.5em .85em;border-radius:8px;border:1px solid var(--cs-border);
  color:var(--cs-text);font-weight:600;background:#fff;
}
.cs-pagination .page-numbers.current{background:var(--cs-primary);color:#fff;border-color:var(--cs-primary)}
.cs-pagination .page-numbers:hover{background:var(--cs-surface);text-decoration:none}

/* =========================================================
   12. Footer
   ========================================================= */
.cs-footer{
  background:#0a1426;color:#cdd7ea;margin-top:64px;padding:48px 0 24px;
}
.cs-footer a{color:#fff}
.cs-footer a:hover{color:var(--cs-accent)}
.cs-footer-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:32px;margin-bottom:32px;
}
.cs-footer h3{color:#fff;font-size:1rem;margin:0 0 12px;text-transform:uppercase;letter-spacing:.06em}
.cs-footer ul{list-style:none;padding:0;margin:0}
.cs-footer li{padding:4px 0;font-size:.92rem}
.cs-footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding-top:18px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.85rem;
}

/* =========================================================
   13. Utilities & Print
   ========================================================= */
.cs-mt-0{margin-top:0}
.cs-text-center{text-align:center}
.cs-page-title{margin:24px 0 12px;font-size:1.8rem}
.cs-archive-desc{color:var(--cs-text-muted);margin-bottom:24px}

@media print{
  .cs-header,.cs-footer,.cs-sidebar,.cs-ad,.cs-topbar,.cs-comments-form{display:none!important}
  body{font-size:12pt;color:#000;background:#fff}
  a{color:#000;text-decoration:underline}
}