/* ============================================
   BRITANNICA THEME - Main Stylesheet
   ============================================ */
:root{--brit-dark-blue:#002C51;--brit-medium-blue:#00427A;--brit-link-blue:#006FB4;--brit-light-blue:#E8F4FD;--brit-white:#FFFFFF;--brit-off-white:#F8F9FA;--brit-text:#1A1A1A;--brit-text-muted:#555;--brit-border:#DEE2E6;--brit-gold:#C9982E;--brit-trending-bg:#F0F0F0;--brit-font-serif:'Georgia','Times New Roman',serif;--brit-font-sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--brit-font-serif);color:var(--brit-text);background:var(--brit-white);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--brit-link-blue);text-decoration:none;transition:color .2s}a:hover{color:var(--brit-medium-blue);text-decoration:underline}
img{max-width:100%;height:auto}

/* Header */
.brit-header{background:var(--brit-dark-blue);position:sticky;top:0;z-index:1000;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.brit-header-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:12px 20px}
.brit-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--brit-white);font-family:var(--brit-font-serif);font-size:26px;font-weight:700;letter-spacing:.5px}
.brit-logo:hover{color:var(--brit-white);text-decoration:none}
.brit-logo-icon{width:36px;height:36px;background:var(--brit-white);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--brit-dark-blue)}
.brit-header-search{flex:1;max-width:500px;margin:0 30px;position:relative}
.brit-header-search input{width:100%;padding:10px 45px 10px 18px;border:2px solid rgba(255,255,255,.3);border-radius:25px;background:rgba(255,255,255,.12);color:var(--brit-white);font-family:var(--brit-font-sans);font-size:14px;outline:none;transition:all .3s}
.brit-header-search input::placeholder{color:rgba(255,255,255,.6)}
.brit-header-search input:focus{background:var(--brit-white);color:var(--brit-text);border-color:var(--brit-white)}
.brit-header-search input:focus::placeholder{color:var(--brit-text-muted)}
.brit-header-search button{position:absolute;right:6px;top:50%;transform:translateY(-50%);background:none;border:none;color:rgba(255,255,255,.7);cursor:pointer;font-size:18px;padding:6px 10px}
.brit-header-search input:focus~button{color:var(--brit-text-muted)}
.brit-header-nav-links{display:flex;align-items:center;gap:8px}
.brit-header-nav-links a{color:rgba(255,255,255,.85);font-family:var(--brit-font-sans);font-size:13px;font-weight:500;padding:6px 12px;text-decoration:none}
.brit-header-nav-links a:hover{color:var(--brit-white);text-decoration:none}

/* Category Nav */
.brit-catnav{background:var(--brit-dark-blue);border-top:1px solid rgba(255,255,255,.1);overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.brit-catnav::-webkit-scrollbar{display:none}
.brit-catnav-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;padding:0 20px}
.brit-catnav a{color:rgba(255,255,255,.8);font-family:var(--brit-font-sans);font-size:13px;font-weight:500;padding:12px 16px;white-space:nowrap;border-bottom:3px solid transparent;transition:all .2s;text-decoration:none}
.brit-catnav a:hover{color:var(--brit-white);border-bottom-color:var(--brit-gold);text-decoration:none}
.brit-catnav.is-collapsed{display:none}
.brit-catnav.is-open{display:block}

/* Trending */
.brit-trending{background:var(--brit-trending-bg);border-bottom:1px solid var(--brit-border);overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.brit-trending::-webkit-scrollbar{display:none}
.brit-trending-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;padding:0 20px}
.brit-trending-label{font-family:var(--brit-font-sans);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--brit-text);padding:10px 16px 10px 0;white-space:nowrap;display:flex;align-items:center;gap:6px;border-right:1px solid var(--brit-border)}
.brit-trending a{font-family:var(--brit-font-sans);font-size:13px;color:var(--brit-link-blue);padding:10px 16px;white-space:nowrap;border-right:1px solid var(--brit-border);text-decoration:none}
.brit-trending a:last-child{border-right:none}
.brit-trending a:hover{color:var(--brit-medium-blue);text-decoration:underline}

/* Main */
.brit-main{max-width:1200px;margin:0 auto;padding:30px 20px}
.brit-date{font-family:var(--brit-font-sans);font-size:14px;font-weight:600;color:var(--brit-link-blue);margin-bottom:8px}
.brit-hero-title{font-family:var(--brit-font-serif);font-size:38px;font-weight:800;line-height:1.2;color:var(--brit-text);margin-bottom:16px}
.brit-hero-excerpt{font-family:var(--brit-font-serif);font-size:18px;line-height:1.8;color:var(--brit-text);margin-bottom:24px}

/* Grid */
.brit-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:28px;margin-top:30px}
.brit-card{background:var(--brit-white);border:1px solid var(--brit-border);border-radius:6px;overflow:hidden;transition:box-shadow .3s,transform .2s}
.brit-card:hover{box-shadow:0 4px 20px rgba(0,0,0,.1);transform:translateY(-2px)}
.brit-card-img{width:100%;height:200px;object-fit:cover;display:block}
.brit-card-body{padding:18px}
.brit-card-category{font-family:var(--brit-font-sans);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--brit-link-blue);margin-bottom:8px}
.brit-card-title{font-family:var(--brit-font-serif);font-size:18px;font-weight:700;line-height:1.3;margin-bottom:8px}
.brit-card-title a{color:var(--brit-text);text-decoration:none}
.brit-card-title a:hover{color:var(--brit-link-blue);text-decoration:none}
.brit-card-desc{font-family:var(--brit-font-serif);font-size:14px;line-height:1.6;color:var(--brit-text-muted)}

/* Post */
.brit-post{max-width:800px;margin:0 auto}
.brit-post-header{margin-bottom:30px;padding-bottom:20px;border-bottom:1px solid var(--brit-border)}
.brit-post h1{font-family:var(--brit-font-serif);font-size:36px;font-weight:800;line-height:1.2;color:var(--brit-text);margin-bottom:12px}
.brit-post-meta{font-family:var(--brit-font-sans);font-size:13px;color:var(--brit-text-muted);display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.brit-post-content{font-family:var(--brit-font-serif);font-size:18px;line-height:1.9;color:var(--brit-text)}
.brit-post-content p{margin-bottom:20px}
.brit-post-content h2{font-size:26px;font-weight:700;margin:36px 0 16px;padding-bottom:8px;border-bottom:2px solid var(--brit-border)}
.brit-post-content h3{font-size:22px;font-weight:700;margin:28px 0 12px}
.brit-embed{margin:20px 0;border-radius:8px;overflow:hidden}
.brit-embed iframe{width:100%;min-height:340px;border:0}
.brit-page{max-width:800px;margin:0 auto}
.brit-page h1{font-family:var(--brit-font-serif);font-size:34px;font-weight:800;margin-bottom:20px;color:var(--brit-text)}
.brit-page-content{font-family:var(--brit-font-serif);font-size:17px;line-height:1.9;color:var(--brit-text)}
.brit-page-content p{margin-bottom:16px}
.brit-page-content ul{padding-left:24px}

/* Search */
.brit-search-results{margin-top:20px}
.brit-search-item{padding:16px 0;border-bottom:1px solid var(--brit-border);display:flex;gap:16px;align-items:flex-start}
.brit-search-thumb{width:140px;min-width:140px;border-radius:6px;overflow:hidden;border:1px solid var(--brit-border)}
.brit-search-thumb img{display:block;width:100%;height:92px;object-fit:cover}
.brit-search-item h3{font-family:var(--brit-font-serif);font-size:20px;margin-bottom:6px}
.brit-search-item h3 a{color:var(--brit-text)}
.brit-search-item h3 a:hover{color:var(--brit-link-blue)}
.brit-search-meta{font-family:var(--brit-font-sans);font-size:13px;color:var(--brit-text-muted);margin-bottom:8px}
.brit-btn{display:inline-block;padding:10px 16px;border-radius:4px;background:var(--brit-link-blue);color:var(--brit-white);font-family:var(--brit-font-sans);font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;text-decoration:none}
.brit-btn:hover{background:var(--brit-medium-blue);color:var(--brit-white);text-decoration:none}

/* Ads */
.ad-slot{margin:22px 0;padding:14px;border:1px solid var(--brit-border);background:var(--brit-off-white);border-radius:6px;text-align:center}
.ad-slot.ad-inline{margin:18px 0}
.ad-slot .ad-label{display:block;font-family:var(--brit-font-sans);font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--brit-text-muted);margin-bottom:8px}

/* Footer */
.brit-footer{background:var(--brit-dark-blue);color:rgba(255,255,255,.85);margin-top:60px}
.brit-footer-inner{max-width:1200px;margin:0 auto;padding:50px 20px 30px;display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:40px}
.brit-footer-col h3{font-family:var(--brit-font-sans);font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--brit-white);margin-bottom:20px}
.brit-footer-col a{display:block;color:rgba(255,255,255,.7);font-family:var(--brit-font-sans);font-size:14px;padding:4px 0;transition:color .2s;text-decoration:none}
.brit-footer-col a:hover{color:var(--brit-white);text-decoration:none}
.brit-footer-bottom{max-width:1200px;margin:0 auto;padding:20px;border-top:1px solid rgba(255,255,255,.15);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.brit-footer-bottom-links{display:flex;gap:20px;flex-wrap:wrap}
.brit-footer-bottom-links a{color:rgba(255,255,255,.6);font-family:var(--brit-font-sans);font-size:12px;text-decoration:none}
.brit-footer-bottom-links a:hover{color:var(--brit-white)}
.brit-footer-copyright{color:rgba(255,255,255,.5);font-family:var(--brit-font-sans);font-size:12px}

/* Mobile */
.brit-menu-toggle{display:none;background:none;border:none;color:var(--brit-white);font-size:24px;cursor:pointer;padding:4px}
@media(max-width:768px){.brit-header-search{display:none}.brit-menu-toggle{display:block}.brit-header-nav-links{display:none}.brit-catnav{display:none}.brit-catnav.is-open{display:block}.brit-hero-title{font-size:26px}.brit-hero-excerpt{font-size:16px}.brit-post h1{font-size:26px}.brit-post-content{font-size:16px}.brit-grid{grid-template-columns:1fr}.brit-footer-inner{grid-template-columns:repeat(2,1fr)}.brit-footer-bottom{flex-direction:column;text-align:center}.brit-search-item{display:block}.brit-search-thumb{width:100%;min-width:0;margin-bottom:10px}}
@media(max-width:480px){.brit-footer-inner{grid-template-columns:1fr}}