:root{
    --navy:#0A2342; --royal:#1D4ED8; --royal-dark:#1741B5; --teal:#14B8A6;
    --bg:#F8FAFC; --surface:#FFFFFF; --text:#111827; --text-muted:#4B5563; --border:#E5E7EB;
    --shadow-sm:0 1px 2px rgba(10,35,66,0.06); --shadow-md:0 8px 24px rgba(10,35,66,0.08);
    --radius:16px;
  }
  *{box-sizing:border-box;}
  body{margin:0;background:var(--bg);color:var(--text);font-family:'Inter',sans-serif;font-size:16px;line-height:1.6;}
  h1,h2,h3,h4{font-family:'Poppins',sans-serif;margin:0;color:var(--navy);letter-spacing:-0.01em;}
  a{color:inherit;text-decoration:none;}
  .container{max-width:1280px;margin:0 auto;padding:0 24px;}
  @media(min-width:1024px){.container{padding:0 64px;}}

  .logo{display:flex;align-items:center;gap:10px;font-family:'Poppins',sans-serif;font-weight:700;font-size:18px;color:var(--navy);}
  .logo-mark{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,var(--navy),var(--royal));display:flex;align-items:center;justify-content:center;flex:none;}
  .logo-mark svg{width:16px;height:16px;}
  nav.primary-nav{display:none;gap:28px;}
  nav.primary-nav a{font-size:14.5px;font-weight:500;color:var(--text-muted);}
  nav.primary-nav a:hover{color:var(--navy);}
  nav.primary-nav a.active{color:var(--royal);font-weight:600;}
  @media(min-width:1024px){nav.primary-nav{display:flex;}}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:14.5px;padding:12px 22px;border-radius:10px;cursor:pointer;border:none;transition:.2s;}
  .btn-primary{background:var(--royal);color:#fff;}
  .btn-primary:hover{background:var(--royal-dark);}
  .btn-ghost{background:none;color:var(--navy);}

  .page-hero{background:linear-gradient(135deg,var(--navy),#123a70);color:#fff;padding:56px 0 40px;}
  .breadcrumb{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:14px;}
  .page-hero h1{color:#fff;font-size:34px;}
  .page-hero p{color:rgba(255,255,255,.75);margin-top:10px;max-width:560px;}

  /* Filter bar */
  .filter-bar{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:80px;z-index:40;}
  .filter-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:18px 0;justify-content:space-between;}
  .cat-pills{display:flex;flex-wrap:wrap;gap:8px;}
  .pill{font-size:13.5px;font-weight:500;padding:9px 16px;border-radius:999px;border:1px solid var(--border);background:#fff;color:var(--text-muted);cursor:pointer;transition:.15s;}
  .pill:hover{border-color:var(--royal);color:var(--navy);}
  .pill.active{background:var(--royal);border-color:var(--royal);color:#fff;font-weight:600;}
  .search-input{position:relative;min-width:220px;}
  .search-input input{width:100%;height:44px;border:1px solid var(--border);border-radius:10px;padding:0 14px 0 40px;font-family:'Inter',sans-serif;font-size:14.5px;}
  .search-input input:focus{outline:none;border-color:var(--royal);box-shadow:0 0 0 3px rgba(29,78,216,.15);}
  .search-input svg{position:absolute;left:13px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--text-muted);}

  .content-layout{display:grid;grid-template-columns:1fr;gap:40px;padding:36px 0 72px;}
  @media(min-width:1024px){.content-layout{grid-template-columns:2.4fr 1fr;}}

  .grid-2{display:grid;grid-template-columns:1fr;gap:24px;}
  @media(min-width:640px){.grid-2{grid-template-columns:repeat(2,1fr);}}

  .news-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.25s cubic-bezier(.16,1,.3,1);box-shadow:var(--shadow-sm);}
  .news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
  .news-thumb{height:160px;position:relative;}
  .news-cat{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.92);color:var(--navy);font-size:11px;font-weight:600;padding:5px 12px;border-radius:999px;}
  .news-body{padding:20px;}
  .news-meta{font-size:12.5px;color:var(--text-muted);margin-bottom:8px;}
  .news-card h4{font-size:16px;margin-bottom:8px;line-height:1.35;}
  .news-card p{color:var(--text-muted);font-size:14px;margin:0;}

  .empty-state{grid-column:1/-1;text-align:center;padding:56px 24px;color:var(--text-muted);}

  .pagination{display:flex;justify-content:center;gap:8px;margin-top:36px;}
  .page-btn{width:36px;height:36px;border-radius:10px;border:1px solid var(--border);background:#fff;font-size:13.5px;font-weight:600;color:var(--text-muted);cursor:pointer;}
  .page-btn.active{background:var(--royal);color:#fff;border-color:var(--royal);}

  /* Sidebar */
  .sidebar-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:20px;}
  .sidebar-card h5{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:16px;}
  .popular-item{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--border);}
  .popular-item:last-child{border-bottom:none;}
  .popular-thumb{width:52px;height:52px;border-radius:10px;flex:none;}
  .popular-item h6{font-size:13.5px;font-weight:600;color:var(--navy);margin:0 0 4px;line-height:1.3;}
  .popular-item span{font-size:11.5px;color:var(--text-muted);}
  .cat-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
  .cat-list li{display:flex;justify-content:space-between;font-size:14px;color:var(--text-muted);}
  .cat-list li:hover{color:var(--royal);cursor:pointer;}
  .newsletter-mini{background:linear-gradient(180deg,#ECFDFA,#fff);}
  .newsletter-mini input{width:100%;height:42px;border:1px solid var(--border);border-radius:8px;padding:0 12px;margin:12px 0 10px;font-size:13.5px;}
  .newsletter-mini .btn{width:100%;}

  footer{background:var(--navy);color:rgba(255,255,255,.7);padding:56px 0 28px;font-size:14px;text-align:center;}
  footer a:hover{color:#fff;}
  :focus-visible{outline:3px solid rgba(29,78,216,.45);outline-offset:2px;}