*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
      --primary: #1a1a2e;
      --primary-light: #16213e;
      --primary-mid: #0f3460;
      --accent: #f7a800;
      --accent-hover: #e09600;
      --accent-light: rgba(247,168,0,0.12);
      --white: #ffffff;
      --gray-50: #f9fafb;
      --gray-100: #f3f4f6;
      --gray-200: #e5e7eb;
      --gray-300: #d1d5db;
      --gray-400: #9ca3af;
      --gray-500: #6b7280;
      --gray-600: #4b5563;
      --gray-700: #374151;
      --gray-800: #1f2937;
      --gray-900: #111827;
      --radius: 12px;
      --radius-sm: 8px;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
      --shadow: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.05);
      --shadow-md: 0 10px 25px rgba(0,0,0,0.1), 0 4px 10px rgba(0,0,0,0.06);
      --shadow-lg: 0 20px 40px rgba(0,0,0,0.12), 0 8px 16px rgba(0,0,0,0.08);
      --transition: 0.22s cubic-bezier(0.4,0,0.2,1);
    }

    html { scroll-behavior: smooth; }

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
      background: var(--gray-50);
      color: var(--gray-800);
      line-height: 1.6;
      min-height: 100vh;
    }

    /* ── HEADER ── */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: var(--primary);
      border-bottom: 2px solid rgba(247,168,0,0.3);
      backdrop-filter: blur(12px);
    }
    .header-inner {
      max-width: 1400px;
      margin: 0 auto;
      padding: 0 24px;
      height: 68px;
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .logo-link {
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }
    .logo-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--accent) 0%, #ff8c00 100%);
      border-radius: 9px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 800;
      color: var(--primary);
      letter-spacing: -1px;
      box-shadow: 0 2px 8px rgba(247,168,0,0.4);
    }
    .logo-text {
      display: flex;
      flex-direction: column;
      line-height: 1.1;
    }
    .logo-name {
      font-size: 17px;
      font-weight: 700;
      color: var(--white);
      letter-spacing: -0.3px;
    }
    .logo-sub {
      font-size: 10px;
      color: var(--accent);
      font-weight: 500;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }
    .header-spacer { flex: 1; }
    .header-nav {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .nav-link {
      text-decoration: none;
      color: rgba(255,255,255,0.8);
      font-size: 14px;
      font-weight: 500;
      padding: 7px 14px;
      border-radius: var(--radius-sm);
      transition: all var(--transition);
      white-space: nowrap;
    }
    .nav-link:hover {
      color: var(--white);
      background: rgba(255,255,255,0.1);
    }
    .nav-link.home-link {
      color: var(--accent);
      border: 1px solid rgba(247,168,0,0.4);
    }
    .nav-link.home-link:hover {
      background: var(--accent);
      color: var(--primary);
      border-color: var(--accent);
    }
    .search-wrap {
      position: relative;
      display: flex;
      align-items: center;
    }
    .search-icon {
      position: absolute;
      left: 12px;
      color: var(--gray-400);
      pointer-events: none;
      font-size: 14px;
    }
    .search-input {
      background: rgba(255,255,255,0.1);
      border: 1px solid rgba(255,255,255,0.15);
      color: var(--white);
      padding: 8px 16px 8px 36px;
      border-radius: 50px;
      font-size: 14px;
      width: 220px;
      transition: all var(--transition);
      outline: none;
      font-family: inherit;
    }
    .search-input::placeholder { color: rgba(255,255,255,0.45); }
    .search-input:focus {
      background: rgba(255,255,255,0.15);
      border-color: var(--accent);
      width: 280px;
      box-shadow: 0 0 0 3px rgba(247,168,0,0.2);
    }

    /* ── HERO ── */
    .hero {
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-mid) 50%, #1a3a6e 100%);
      padding: 72px 24px 64px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(247,168,0,0.08) 0%, transparent 70%);
      pointer-events: none;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      background: rgba(247,168,0,0.15);
      border: 1px solid rgba(247,168,0,0.3);
      color: var(--accent);
      padding: 5px 16px;
      border-radius: 50px;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      margin-bottom: 20px;
    }
    .hero h1 {
      font-size: clamp(32px, 5vw, 54px);
      font-weight: 800;
      color: var(--white);
      letter-spacing: -1.5px;
      line-height: 1.15;
      margin-bottom: 16px;
    }
    .hero h1 span { color: var(--accent); }
    .hero p {
      color: rgba(255,255,255,0.7);
      font-size: clamp(15px, 2vw, 18px);
      max-width: 560px;
      margin: 0 auto 40px;
      line-height: 1.7;
    }
    .hero-stats {
      display: flex;
      justify-content: center;
      gap: 40px;
      flex-wrap: wrap;
    }
    .stat-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 4px;
    }
    .stat-number {
      font-size: clamp(28px, 4vw, 40px);
      font-weight: 800;
      color: var(--accent);
      letter-spacing: -1px;
      line-height: 1;
    }
    .stat-label {
      font-size: 12px;
      color: rgba(255,255,255,0.6);
      font-weight: 500;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }
    .stat-divider {
      width: 1px;
      height: 48px;
      background: rgba(255,255,255,0.15);
      align-self: center;
    }

    /* ── MAIN LAYOUT ── */
    .main-container {
      max-width: 1400px;
      margin: 0 auto;
      padding: 40px 24px 60px;
    }

    /* ── SECTION HEADER ── */
    .section-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 24px;
      flex-wrap: wrap;
      gap: 12px;
    }
    .section-title {
      font-size: 22px;
      font-weight: 700;
      color: var(--gray-900);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .section-title::before {
      content: "";
      display: block;
      width: 4px;
      height: 24px;
      background: var(--accent);
      border-radius: 2px;
    }
    .results-count {
      font-size: 14px;
      color: var(--gray-500);
      font-weight: 500;
    }

    /* ── CATEGORY PILLS ── */
    .categories-section {
      background: var(--white);
      border-radius: var(--radius);
      padding: 20px 24px;
      margin-bottom: 28px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--gray-200);
    }
    .categories-label {
      font-size: 11px;
      font-weight: 700;
      color: var(--gray-400);
      letter-spacing: 1px;
      text-transform: uppercase;
      margin-bottom: 14px;
    }
    .category-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .pill {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      padding: 6px 14px;
      border-radius: 50px;
      font-size: 13px;
      font-weight: 500;
      cursor: pointer;
      transition: all var(--transition);
      border: 1.5px solid var(--gray-200);
      background: var(--white);
      color: var(--gray-600);
      user-select: none;
      white-space: nowrap;
    }
    .pill:hover {
      border-color: var(--accent);
      color: var(--primary);
      background: var(--accent-light);
      transform: translateY(-1px);
      box-shadow: var(--shadow-sm);
    }
    .pill.active {
      background: var(--primary);
      color: var(--white);
      border-color: var(--primary);
      box-shadow: 0 3px 10px rgba(26,26,46,0.25);
    }
    .pill .pill-count {
      background: rgba(0,0,0,0.12);
      border-radius: 50px;
      padding: 1px 7px;
      font-size: 11px;
      font-weight: 600;
    }
    .pill.active .pill-count { background: rgba(255,255,255,0.2); }

    /* ── ARTICLE GRID ── */
    .articles-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    @media (max-width: 1024px) {
      .articles-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 640px) {
      .articles-grid { grid-template-columns: 1fr; gap: 14px; }
    }

    /* ── ARTICLE CARD ── */
    .article-card {
      background: var(--white);
      border-radius: var(--radius);
      border: 1px solid var(--gray-200);
      overflow: hidden;
      transition: all var(--transition);
      display: flex;
      flex-direction: column;
      box-shadow: var(--shadow-sm);
      animation: fadeInUp 0.35s ease forwards;
    }
    .article-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--gray-300);
    }
    @keyframes fadeInUp {
      from { opacity: 0; transform: translateY(16px); }
      to   { opacity: 1; transform: translateY(0); }
    }
    .card-accent-bar {
      height: 3px;
      background: linear-gradient(90deg, var(--accent) 0%, #ff8c00 100%);
      flex-shrink: 0;
    }
    .card-body {
      padding: 20px;
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .card-category {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.6px;
      text-transform: uppercase;
      color: var(--accent-hover);
      background: var(--accent-light);
      padding: 3px 10px;
      border-radius: 50px;
      width: fit-content;
    }
    .card-title {
      font-size: 15px;
      font-weight: 600;
      color: var(--gray-900);
      line-height: 1.5;
      flex: 1;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .card-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-top: 12px;
      border-top: 1px solid var(--gray-100);
    }
    .read-more {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      text-decoration: none;
      transition: all var(--transition);
    }
    .read-more:hover {
      color: var(--accent-hover);
      gap: 8px;
    }
    .read-more svg {
      width: 14px;
      height: 14px;
      transition: transform var(--transition);
    }
    .article-card:hover .read-more svg { transform: translateX(3px); }
    .card-num {
      font-size: 11px;
      color: var(--gray-300);
      font-weight: 500;
    }

    /* ── LOAD MORE ── */
    .load-more-section {
      text-align: center;
      margin-top: 36px;
    }
    .load-more-btn {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: var(--primary);
      color: var(--white);
      border: none;
      padding: 14px 36px;
      border-radius: 50px;
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      transition: all var(--transition);
      font-family: inherit;
      box-shadow: 0 4px 14px rgba(26,26,46,0.25);
    }
    .load-more-btn:hover {
      background: var(--primary-mid);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(26,26,46,0.3);
    }
    .load-more-btn:active { transform: translateY(0); }
    .load-more-btn svg { width: 18px; height: 18px; }
    .load-more-meta {
      margin-top: 12px;
      font-size: 13px;
      color: var(--gray-400);
    }

    /* ── NO RESULTS ── */
    .no-results {
      grid-column: 1/-1;
      text-align: center;
      padding: 80px 24px;
      color: var(--gray-400);
    }
    .no-results svg { width: 52px; height: 52px; margin-bottom: 16px; opacity: 0.4; }
    .no-results h3 { font-size: 20px; font-weight: 600; color: var(--gray-600); margin-bottom: 8px; }
    .no-results p { font-size: 15px; }

    /* ── FOOTER ── */
    .site-footer {
      background: var(--primary);
      color: rgba(255,255,255,0.75);
      padding: 56px 24px 32px;
      margin-top: 80px;
    }
    .footer-inner {
      max-width: 1400px;
      margin: 0 auto;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    @media (max-width: 900px) {
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 600px) {
      .footer-grid { grid-template-columns: 1fr; gap: 28px; }
      .header-inner { gap: 12px; }
      .search-input { width: 140px; }
      .search-input:focus { width: 160px; }
      .logo-sub { display: none; }
    }
    .footer-brand .logo-link { margin-bottom: 14px; display: inline-flex; }
    .footer-brand p {
      font-size: 14px;
      line-height: 1.7;
      max-width: 300px;
      color: rgba(255,255,255,0.55);
      margin-bottom: 20px;
    }
    .footer-cta {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      background: var(--accent);
      color: var(--primary);
      padding: 10px 20px;
      border-radius: 50px;
      font-size: 13px;
      font-weight: 700;
      text-decoration: none;
      transition: all var(--transition);
    }
    .footer-cta:hover {
      background: var(--accent-hover);
      transform: translateY(-1px);
    }
    .footer-col h4 {
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      color: var(--white);
      margin-bottom: 16px;
    }
    .footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
    .footer-links a {
      text-decoration: none;
      color: rgba(255,255,255,0.55);
      font-size: 14px;
      transition: color var(--transition);
    }
    .footer-links a:hover { color: var(--accent); }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.1);
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
    }
    .footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.4); }
    .footer-bottom a { color: var(--accent); text-decoration: none; }

    /* ── BACK TO TOP ── */
    .back-to-top {
      position: fixed;
      bottom: 28px;
      right: 28px;
      width: 44px;
      height: 44px;
      background: var(--primary);
      color: var(--white);
      border: 2px solid rgba(247,168,0,0.4);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      opacity: 0;
      transform: translateY(12px);
      transition: all var(--transition);
      z-index: 99;
      box-shadow: var(--shadow-md);
    }
    .back-to-top.visible { opacity: 1; transform: translateY(0); }
    .back-to-top:hover {
      background: var(--accent);
      color: var(--primary);
      border-color: var(--accent);
    }

    /* ── SEARCH HIGHLIGHT ── */
    mark {
      background: rgba(247,168,0,0.3);
      color: inherit;
      border-radius: 2px;
      padding: 0 2px;
    }

    /* ── ACTIVE FILTER BAR ── */
    .filter-bar {
      display: none;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
      flex-wrap: wrap;
    }
    .filter-bar.visible { display: flex; }
    .filter-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--accent-light);
      border: 1px solid rgba(247,168,0,0.3);
      color: var(--primary);
      padding: 4px 12px;
      border-radius: 50px;
      font-size: 13px;
      font-weight: 600;
    }
    .filter-clear {
      background: none;
      border: 1px solid var(--gray-300);
      color: var(--gray-500);
      padding: 4px 12px;
      border-radius: 50px;
      font-size: 13px;
      cursor: pointer;
      font-family: inherit;
      transition: all var(--transition);
    }
    .filter-clear:hover {
      border-color: var(--gray-500);
      color: var(--gray-700);
    }