:root{
	--usi-teal:#00B395;--usi-blue:#0073B4;--usi-orange:#F26824;
	--usi-dark:#1A202C;--usi-light-text:#718096;--usi-bg:#F7FAFC;--usi-white:#FFFFFF;
	--usi-radius:16px;--usi-shadow:0 10px 34px rgba(26,32,44,.08);
	--bg:var(--usi-bg);--fg:var(--usi-dark);--card-bg:var(--usi-white);--border:#E5EAF0;
}
:root[data-theme="dark"]{--bg:#0f1620;--fg:#eef3f7;--card-bg:#17212c;--border:#26323f;--usi-light-text:#9fb0c0}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0f1620;--fg:#eef3f7;--card-bg:#17212c;--border:#26323f;--usi-light-text:#9fb0c0}}
*{box-sizing:border-box}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--fg);line-height:1.7;overflow-wrap:anywhere}
h1,h2,h3,h4{overflow-wrap:anywhere}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
h1,h2,h3,h4,.font-heading{font-family:'Poppins',system-ui,sans-serif}
a{text-decoration:none;color:var(--usi-blue)}
.container{max-width:1280px}

/* Breaking bar */
.breaking-bar{background:var(--usi-dark);color:#fff;display:flex;align-items:center;overflow:hidden;font-size:14px}
.breaking-label{background:var(--usi-orange);padding:8px 16px;font-weight:700;white-space:nowrap;flex-shrink:0}
.breaking-track{overflow:hidden;flex:1;padding:8px 16px}
.breaking-track span{display:inline-block;white-space:nowrap;animation:marquee 22s linear infinite}
@keyframes marquee{0%{transform:translateX(100%)}100%{transform:translateX(-100%)}}

/* Header */
.blog-header{background:var(--card-bg);box-shadow:0 2px 20px rgba(0,0,0,.06);z-index:1030}
.brand-text{font-family:'Poppins',sans-serif;font-weight:700;color:var(--usi-dark);font-size:18px}
.navbar-nav .nav-link{color:var(--fg);font-weight:600;padding:10px 14px!important;border-radius:10px}
.navbar-nav .nav-link.active,.navbar-nav .nav-link:hover{color:var(--usi-teal)}
.btn-icon{background:none;border:none;color:var(--fg);font-size:18px;width:42px;height:42px;border-radius:50%}
.btn-icon:hover{background:var(--usi-bg)}
.btn-usi-orange{background:var(--usi-orange);border-color:var(--usi-orange);color:#fff;font-weight:700;border-radius:999px;padding:10px 22px}
.btn-usi-orange:hover{background:#d9591c;border-color:#d9591c;color:#fff}
.btn-outline-usi{border:2px solid var(--usi-teal);color:var(--usi-teal);font-weight:700;border-radius:999px;padding:8px 20px}
.btn-outline-usi:hover{background:var(--usi-teal);color:#fff}
.btn-usi-teal{background:var(--usi-teal);border-color:var(--usi-teal);color:#fff;font-weight:700;border-radius:999px}
.btn-usi-teal:hover{background:#009579;border-color:#009579;color:#fff}

/* Search overlay */
.search-overlay{position:fixed;inset:0;background:rgba(15,22,32,.96);z-index:2000;display:none;align-items:flex-start;justify-content:center;padding-top:12vh}
.search-overlay.open{display:flex}
.search-overlay-inner{width:min(720px,92%);position:relative}
.search-close{position:absolute;top:-56px;right:0;background:none;border:none;color:#fff;font-size:26px}
.search-form{display:flex;align-items:center;gap:14px;background:#fff;border-radius:16px;padding:18px 22px;color:var(--usi-dark)}
.search-form i{color:var(--usi-light-text)}
.search-form input{flex:1;border:none;outline:none;font-size:20px}
.search-suggestions{background:#fff;border-radius:0 0 16px 16px;overflow:hidden}
.search-suggestions a{display:block;padding:12px 22px;color:var(--usi-dark);border-top:1px solid var(--border)}
.search-suggestions a:hover{background:var(--usi-bg)}

/* Hero */
.blog-hero{background:linear-gradient(135deg,var(--usi-teal),var(--usi-blue));border-radius:0 0 32px 32px;color:#fff;padding:60px 0 80px}
.hero-feature{background:rgba(255,255,255,.08);border-radius:24px;overflow:hidden;display:grid;grid-template-columns:1.1fr 1fr;min-height:420px}
.hero-feature img{width:100%;height:100%;object-fit:cover}
.hero-feature-body{padding:44px}
.hero-feature .badge-cat{background:var(--usi-orange)}
.hero-feature h1{font-size:clamp(26px,3.4vw,42px);font-weight:800;line-height:1.15;margin:16px 0}
.hero-meta{display:flex;gap:16px;flex-wrap:wrap;color:rgba(255,255,255,.85);font-size:14px;margin-bottom:18px}
@media(max-width:900px){.hero-feature{grid-template-columns:1fr}.hero-feature img{height:240px}}

/* Badges & meta */
.badge-cat{display:inline-block;background:var(--usi-teal);color:#fff;font-weight:700;font-size:12px;padding:5px 12px;border-radius:999px;letter-spacing:.02em}
.post-meta{color:var(--usi-light-text);font-size:13px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.post-meta i{margin-right:4px}

/* Category cards */
.category-card{background:var(--card-bg);border-radius:var(--usi-radius);box-shadow:var(--usi-shadow);padding:28px;height:100%;transition:.2s;border:1px solid var(--border)}
.category-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(26,32,44,.12)}
.category-card .cat-icon{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-size:26px;margin-bottom:16px;color:#fff}
.category-card h3{font-size:18px;margin-bottom:6px}
.category-card p{color:var(--usi-light-text);font-size:14px;min-height:42px}
.category-card .cat-count{font-size:12px;color:var(--usi-light-text);font-weight:600}

/* Article cards */
.article-card{background:var(--card-bg);border-radius:var(--usi-radius);box-shadow:var(--usi-shadow);overflow:hidden;height:100%;display:flex;flex-direction:column;border:1px solid var(--border);transition:.2s}
.article-card:hover{transform:translateY(-4px)}
.article-card .thumb-wrap{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--usi-bg)}
.article-card .thumb-wrap img{width:100%;height:100%;object-fit:cover}
.article-card .thumb-wrap .badge-cat{position:absolute;top:14px;left:14px}
.article-card .card-body-usi{padding:20px;display:flex;flex-direction:column;flex:1}
.article-card h3{font-size:17px;font-weight:700;margin:10px 0 8px;line-height:1.35}
.article-card h3 a{color:var(--fg)}
.article-card h3 a:hover{color:var(--usi-teal)}
.article-card p{color:var(--usi-light-text);font-size:14px;flex:1}
.card-actions{display:flex;justify-content:space-between;align-items:center;margin-top:14px;padding-top:14px;border-top:1px solid var(--border)}
.icon-btn{background:none;border:none;color:var(--usi-light-text);font-size:15px}
.icon-btn:hover,.icon-btn.active{color:var(--usi-orange)}

/* Sidebar / trending */
.side-panel{background:var(--card-bg);border-radius:var(--usi-radius);box-shadow:var(--usi-shadow);padding:24px;border:1px solid var(--border)}
.side-panel h4{font-size:16px;margin-bottom:16px}
.trending-item{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--border)}
.trending-item:last-child{border-bottom:none}
.trending-item .rank{font-family:'Poppins',sans-serif;font-weight:800;font-size:22px;color:var(--usi-teal);width:28px}
.trending-item a{color:var(--fg);font-weight:600;font-size:14px;line-height:1.4}

/* Success stories */
.story-card{background:var(--card-bg);border-radius:var(--usi-radius);box-shadow:var(--usi-shadow);padding:26px;text-align:center;height:100%;border:1px solid var(--border)}
.story-card img{width:88px;height:88px;border-radius:50%;object-fit:cover;margin:0 auto 14px}
.story-card .result-badge{display:inline-block;background:#e6f8f3;color:#0a7a52;font-weight:700;font-size:12px;padding:5px 12px;border-radius:999px;margin-top:10px}

/* Events */
.event-card{background:var(--card-bg);border-radius:var(--usi-radius);box-shadow:var(--usi-shadow);overflow:hidden;height:100%;border:1px solid var(--border)}
.event-date-badge{position:absolute;top:14px;right:14px;background:#fff;border-radius:12px;padding:8px 12px;text-align:center;box-shadow:0 6px 16px rgba(0,0,0,.15)}
.event-date-badge .d{font-size:20px;font-weight:800;color:var(--usi-orange);line-height:1}
.event-date-badge .m{font-size:11px;text-transform:uppercase;color:var(--usi-light-text)}

/* Impact stats */
.impact-band{background:linear-gradient(135deg,var(--usi-blue),var(--usi-teal));border-radius:28px;color:#fff;padding:56px 40px}
.impact-stat{text-align:center}
.impact-stat .num{font-family:'Poppins',sans-serif;font-weight:800;font-size:clamp(28px,3.6vw,44px)}
.impact-stat .label{font-size:14px;opacity:.9}

/* Resources / video */
.resource-card{display:flex;gap:16px;align-items:center;background:var(--card-bg);border-radius:14px;padding:16px;border:1px solid var(--border)}
.resource-icon{width:52px;height:52px;border-radius:12px;background:var(--usi-teal);color:#fff;display:grid;place-items:center;font-size:20px;flex-shrink:0}
.video-card{position:relative;border-radius:var(--usi-radius);overflow:hidden;background:#000}
.video-card img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.85}
.video-play{position:absolute;inset:0;display:grid;place-items:center;color:#fff;font-size:44px}

/* Newsletter band */
.newsletter-band{background:var(--usi-dark);color:#fff;padding:56px 0;margin-top:64px}
.newsletter-form-inline{display:flex;gap:10px;flex-wrap:wrap}
.newsletter-form-inline .form-control{flex:1;min-width:180px;border-radius:999px;border:none;padding:12px 18px}

/* Footer */
.blog-footer{background:#0f1620;color:#c8d3dc;padding:56px 0 20px}
.blog-footer h6{color:#fff;font-weight:700;margin-bottom:16px}
.footer-logo{width:150px;background:#fff;border-radius:8px;padding:6px}
.blog-footer .footer-links{list-style:none;padding:0;margin:0}
.blog-footer .footer-links li{margin-bottom:10px;font-size:14px}
.blog-footer .footer-links a{color:#c8d3dc}
.blog-footer .footer-links a:hover{color:var(--usi-teal)}
.blog-footer .footer-social{display:flex;gap:10px;margin-top:14px}
.blog-footer .footer-social a{width:36px;height:36px;border-radius:50%;background:#1c2733;color:#fff;display:grid;place-items:center}
.blog-footer .footer-social a:hover{background:var(--usi-teal)}
.dark-mode-toggle.footer-overlap,.back-to-top.footer-overlap{opacity:0!important;visibility:hidden!important;pointer-events:none!important}
.footer-divider{border-color:#26323f;margin:30px 0 16px}

/* Floating buttons */
.back-to-top,.dark-mode-toggle{position:fixed;right:24px;width:46px;height:46px;border-radius:50%;background:var(--usi-teal);color:#fff;border:none;box-shadow:0 8px 22px rgba(0,0,0,.2);display:none;align-items:center;justify-content:center;z-index:1050}
.back-to-top{bottom:24px}
.back-to-top.show{display:flex}
.dark-mode-toggle{bottom:80px;display:flex;background:var(--usi-dark)}

/* Single article */
.breadcrumb-bar{background:var(--card-bg);border-bottom:1px solid var(--border);padding:14px 0}
.article-hero-image{width:100%;max-height:480px;object-fit:cover;border-radius:var(--usi-radius);margin:24px 0}
.article-title{font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.15}
.article-subtitle{font-size:19px;color:var(--usi-light-text)}
.author-strip{display:flex;align-items:center;gap:12px;margin:18px 0}
.author-strip img{width:48px;height:48px;border-radius:50%;object-fit:cover}
.share-bar{display:flex;gap:8px;margin:20px 0}
.share-bar a,.share-bar button{width:40px;height:40px;border-radius:50%;background:var(--usi-bg);color:var(--fg);display:grid;place-items:center;border:none}
.share-bar a:hover,.share-bar button:hover{background:var(--usi-teal);color:#fff}
.article-body{font-size:18px;line-height:1.85}
.article-body h2,.article-body h3{font-family:'Poppins',sans-serif;margin-top:2em}
.article-body img{max-width:100%;border-radius:14px}
.article-body blockquote{border-left:4px solid var(--usi-teal);padding:6px 24px;font-style:italic;color:var(--usi-light-text);margin:28px 0}
.article-body .table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:24px 0}
.article-body .table-scroll table{margin:0}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0}
.article-body table th,.article-body table td{border:1px solid var(--border);padding:10px 14px}
.article-body .callout{background:#e6f8f3;border-left:4px solid var(--usi-teal);border-radius:12px;padding:20px 24px;margin:28px 0}
.toc-box{background:var(--card-bg);border:1px solid var(--border);border-radius:14px;padding:20px;position:sticky;top:100px}
.toc-box a{display:block;padding:6px 0;font-size:14px;color:var(--fg);border-left:2px solid transparent;padding-left:10px}
.toc-box a:hover,.toc-box a.active{border-left-color:var(--usi-teal);color:var(--usi-teal)}
.tag-pill{display:inline-block;background:var(--usi-bg);border:1px solid var(--border);color:var(--fg);font-size:13px;padding:6px 14px;border-radius:999px;margin:0 8px 8px 0}
.tag-pill:hover{background:var(--usi-teal);color:#fff}
.author-box{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--usi-radius);padding:28px;display:flex;gap:20px}
.author-box img{width:80px;height:80px;border-radius:50%;object-fit:cover;flex-shrink:0}
.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.prev-next a{background:var(--card-bg);border:1px solid var(--border);border-radius:14px;padding:18px;display:block}
.prev-next .label{font-size:12px;color:var(--usi-light-text);text-transform:uppercase}
.prev-next .title{font-weight:700;color:var(--fg)}

/* Comments */
.comment-item{display:flex;gap:14px;margin-bottom:20px}
.comment-item .avatar{width:44px;height:44px;border-radius:50%;background:var(--usi-teal);color:#fff;display:grid;place-items:center;font-weight:700;flex-shrink:0}
.comment-body{background:var(--card-bg);border:1px solid var(--border);border-radius:14px;padding:14px 18px;flex:1}
.comment-replies{margin-left:56px}
.comment-actions{display:flex;gap:16px;margin-top:8px;font-size:13px}
.comment-actions button{background:none;border:none;color:var(--usi-light-text);padding:0}
.comment-actions button:hover{color:var(--usi-teal)}
.comment-actions button.liked{color:var(--usi-orange)}

/* Archive / list layout */
.archive-year{font-family:'Poppins',sans-serif;font-weight:800;font-size:26px;margin:36px 0 16px;color:var(--usi-blue)}
.archive-month-list a{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border);color:var(--fg)}

/* Podcast player */
.podcast-player{background:var(--usi-dark);color:#fff;border-radius:var(--usi-radius);padding:24px;display:flex;gap:20px;align-items:center}
.podcast-player img{width:80px;height:80px;border-radius:14px;object-fit:cover}
.podcast-player audio{width:100%}

/* Gallery lightbox */
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
.gallery-grid img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:10px;cursor:pointer}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.92);z-index:2100;display:none;align-items:center;justify-content:center}
.lightbox.open{display:flex}
.lightbox img{max-width:92%;max-height:88%;border-radius:8px}
.lightbox-close{position:absolute;top:24px;right:32px;color:#fff;font-size:30px;background:none;border:none}

/* 404 */
.error-page{min-height:60vh;display:grid;place-items:center;text-align:center;padding:60px 20px}
.error-page .code{font-family:'Poppins',sans-serif;font-weight:800;font-size:clamp(80px,14vw,160px);background:linear-gradient(135deg,var(--usi-teal),var(--usi-blue));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}

/* Toasts */
.toast-usi{background:var(--card-bg);color:var(--fg)}

@media(max-width:768px){.impact-band{padding:36px 20px}.author-box{flex-direction:column;text-align:center}.prev-next{grid-template-columns:1fr}}