/* === BASE STYLES === */:root {
      --accent: #c8102e;
      --accent-bright: #ff1a3d;
      --accent-glow: rgba(200, 16, 46, 0.4);
      --gold: #f5c518;
      --gold-light: #ffd84d;
      --surface: #0a0a0f;
      --surface-2: #111118;
      --surface-3: #1a1a26;
      --surface-4: #22223a;
      --text-primary: #f0f0f5;
      --text-secondary: #a0a0b8;
      --text-muted: #6a6a88;
      --border-subtle: rgba(200, 16, 46, 0.15);
      --border-mid: rgba(200, 16, 46, 0.3);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --shadow-card: 0 8px 32px rgba(0,0,0,0.5), 0 2px 8px rgba(200,16,46,0.1);
      --shadow-glow: 0 0 30px rgba(200, 16, 46, 0.3);
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --font-display: 'Georgia', 'Times New Roman', serif;
    }

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

    html, body {
      overflow-x: hidden;
      max-width: 100vw;
      scroll-behavior: smooth;
    }

    body {
      background-color: var(--surface);
      color: var(--text-primary);
      font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
      font-size: 16px;
      line-height: 1.7;
    }

    h1, h2, h3, h4 {
      font-family: var(--font-display);
      line-height: 1.2;
      color: var(--text-primary);
    }

    h1 { font-size: clamp(28px, 5vw, 64px); font-weight: 700; }
    h2 { font-size: clamp(24px, 3.5vw, 46px); font-weight: 700; }
    h3 { font-size: clamp(18px, 2.5vw, 28px); font-weight: 600; }
    h4 { font-size: clamp(15px, 2vw, 20px); font-weight: 600; }

    p { color: var(--text-secondary); margin-bottom: 1rem; }
    p:last-child { margin-bottom: 0; }

    a { color: var(--accent-bright); text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--gold); }

    strong { color: var(--text-primary); }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 12px 28px;
      border-radius: var(--radius-sm);
      font-weight: 700;
      font-size: 15px;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      transition: var(--transition);
      cursor: pointer;
      border: none;
      text-decoration: none;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--accent), #8b000f);
      color: #fff;
      box-shadow: 0 4px 20px var(--accent-glow);
    }
    .btn-primary:hover {
      background: linear-gradient(135deg, var(--accent-bright), var(--accent));
      color: #fff;
      box-shadow: 0 8px 32px var(--accent-glow), var(--shadow-glow);
      transform: translateY(-2px);
    }

    .btn-gold {
      background: linear-gradient(135deg, var(--gold), #d4960a);
      color: #0a0a0f;
      box-shadow: 0 4px 20px rgba(245,197,24,0.35);
    }
    .btn-gold:hover {
      background: linear-gradient(135deg, var(--gold-light), var(--gold));
      color: #0a0a0f;
      transform: translateY(-2px);
      box-shadow: 0 8px 32px rgba(245,197,24,0.5);
    }

    .cta-button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 11px 24px;
      border-radius: var(--radius-sm);
      font-weight: 700;
      font-size: 14px;
      letter-spacing: 0.5px;
      text-transform: uppercase;
      transition: var(--transition);
      text-decoration: none;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    /* Cards */
    .card {
      background: var(--surface-3);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-card);
      transition: var(--transition);
      height: auto;
    }
    .card:hover {
      border-color: var(--border-mid);
      transform: translateY(-4px);
      box-shadow: 0 16px 48px rgba(0,0,0,0.6), 0 4px 16px var(--accent-glow);
    }
    .card h4 { color: var(--text-primary); margin-bottom: 8px; }
    .card p { color: var(--text-secondary); font-size: 14px; margin-bottom: 0; }

    /* Content images */
    .content-image {
      margin: 24px 0;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-subtle);
    }
    .content-image img {
      display: block;
      width: 100%;
      height: auto;
    }

    /* Lists */
    .feature-list, .highlight-list, .checklist, .steps-list, .numbered-list {
      list-style: none;
      padding: 0;
      margin: 16px 0;
    }

    .feature-list li, .highlight-list li {
      position: relative;
      padding-left: 20px;
      margin-bottom: 10px;
      color: var(--text-secondary);
      font-size: 15px;
    }
    .feature-list li::before {
      content: '';
      position: absolute;
      left: 0;
      top: 10px;
      width: 8px;
      height: 2px;
      background: var(--accent);
    }
    .highlight-list li::before {
      content: '';
      position: absolute;
      left: 0;
      top: 10px;
      width: 8px;
      height: 2px;
      background: var(--gold);
    }

    .checklist li {
      position: relative;
      padding-left: 26px;
      margin-bottom: 12px;
      color: var(--text-secondary);
      font-size: 15px;
    }
    .checklist li::before {
      content: '✓';
      position: absolute;
      left: 0;
      top: 0;
      color: var(--accent);
      font-weight: 700;
    }

    .steps-list, .numbered-list {
      counter-reset: steps;
    }
    .steps-list li, .numbered-list li {
      counter-increment: steps;
      position: relative;
      padding-left: 36px;
      margin-bottom: 12px;
      color: var(--text-secondary);
      font-size: 15px;
    }
    .steps-list li::before, .numbered-list li::before {
      content: counter(steps);
      position: absolute;
      left: 0;
      top: 0;
      width: 24px;
      height: 24px;
      background: var(--accent);
      color: #fff;
      border-radius: 50%;
      font-size: 12px;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .feature-list dl dt { color: var(--text-primary); font-size: 15px; }
    .feature-list dl dd { color: var(--text-secondary); font-size: 14px; margin-left: 16px; margin-bottom: 8px; }

    /* Highlight box */
    .highlight-box {
      background: var(--surface-3);
      border: 1px solid var(--border-subtle);
      border-left: 3px solid var(--accent);
      border-radius: var(--radius-sm);
      padding: 20px 24px;
      margin: 20px 0;
    }
    .highlight-box h4 {
      color: var(--gold);
      margin-bottom: 12px;
      font-size: 16px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    /* Info card */
    .info-card {
      background: linear-gradient(135deg, rgba(200,16,46,0.08), rgba(26,26,38,0.9));
      border: 1px solid var(--border-mid);
      border-radius: var(--radius-md);
      padding: 28px;
      margin-top: 32px;
    }
    .info-card h3 {
      color: var(--gold);
      margin-bottom: 12px;
      font-size: 18px;
    }

    /* Icon grid */
    .icon-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
      gap: 16px;
      list-style: none;
      padding: 0;
      margin: 20px 0;
    }
    .feature-block {
      background: var(--surface-3);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      padding: 20px;
      transition: var(--transition);
    }
    .feature-block:hover {
      border-color: var(--accent);
      transform: translateY(-3px);
    }
    .feature-block h4 { color: var(--text-primary); margin-bottom: 6px; font-size: 15px; }
    .feature-block p { font-size: 13px; margin-bottom: 0; }

    /* Cards grid */
    .cards-grid-3 {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
      gap: 20px;
      list-style: none;
      padding: 0;
      margin: 20px 0;
    }
    .cards-grid-2 {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
      gap: 20px;
      margin: 20px 0;
    }

    /* Table */
    .table-responsive {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-subtle);
      margin: 20px 0;
    }
    .comparison-table table {
      width: 100%;
      border-collapse: collapse;
      margin: 0;
    }
    .comparison-table table thead th {
      background: linear-gradient(135deg, var(--accent), #6b000f);
      color: #fff;
      padding: 14px 18px;
      text-align: left;
      font-size: 14px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .comparison-table table tbody td {
      padding: 12px 18px;
      border-bottom: 1px solid var(--border-subtle);
      color: var(--text-secondary);
      font-size: 14px;
      background: var(--surface-3);
    }
    .comparison-table table tbody tr:last-child td { border-bottom: none; }
    .comparison-table table tbody tr:hover td { background: var(--surface-4); color: var(--text-primary); }

    /* DL list */
    .feature-list dt {
      color: var(--text-primary);
      font-weight: 700;
      margin-top: 12px;
    }
    .feature-list dd {
      color: var(--text-secondary);
      margin-left: 16px;
      margin-bottom: 4px;
    }

    /* Section spacing */
    section { padding: 72px 0; }

    /* Divider */
    .section-divider {
      width: 60px;
      height: 3px;
      background: linear-gradient(90deg, var(--accent), transparent);
      border-radius: 2px;
      margin: 16px 0 32px;
    }

    /* Article spacing */
    article { margin-bottom: 48px; }
    article:last-child { margin-bottom: 0; }

    /* === LAYOUT STYLES === */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(10, 10, 15, 0.97);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-subtle);
      box-shadow: 0 2px 24px rgba(0,0,0,0.5);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      height: 72px;
    }

    .logo {
      flex-shrink: 0;
      display: flex;
      align-items: center;
    }

    .logo-text {
      font-family: var(--font-display);
      font-size: 20px;
      font-weight: 700;
      color: var(--text-primary);
      letter-spacing: 0.3px;
    }
    .logo-text span { color: var(--accent); }

    .hamburger {
      display: none;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      width: 44px;
      height: 44px;
      background: transparent;
      border: 1px solid var(--border-mid);
      border-radius: var(--radius-sm);
      cursor: pointer;
      gap: 5px;
      padding: 0;
      flex-shrink: 0;
      z-index: 1100;
    }
    .hamburger span {
      display: block;
      width: 22px;
      height: 2px;
      background: var(--text-primary);
      border-radius: 2px;
      transition: var(--transition);
    }
    .hamburger.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .hamburger.is-active span:nth-child(2) { opacity: 0; }
    .hamburger.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    .main-nav { display: flex; align-items: center; }

    .nav-list {
      display: flex;
      align-items: center;
      gap: 8px;
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .nav-list li a {
      display: block;
      padding: 8px 14px;
      color: var(--text-secondary);
      font-size: 14px;
      font-weight: 500;
      border-radius: var(--radius-sm);
      transition: var(--transition);
      text-decoration: none;
      white-space: nowrap;
    }
    .nav-list li a:hover {
      color: var(--text-primary);
      background: var(--surface-3);
    }

    header .cta-button.btn-primary {
      max-width: 200px;
      padding: 10px 20px;
      font-size: 13px;
    }

    .site-footer {
      background: var(--surface-2);
      border-top: 1px solid var(--border-subtle);
      padding: 40px 0;
    }

    .footer-inner {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }

    .footer-logo .logo-text {
      font-size: 18px;
      font-weight: 700;
    }

    .footer-nav .nav-list {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }
    .footer-nav .nav-list li a {
      font-size: 13px;
      color: var(--text-muted);
      padding: 4px 10px;
    }
    .footer-nav .nav-list li a:hover { color: var(--text-primary); }

    .footer-disclaimer {
      font-size: 12px;
      color: var(--text-muted);
      width: 100%;
      margin-top: 8px;
      margin-bottom: 0;
    }

    @media (max-width: 767px) {
      .hamburger { display: flex; }

      .header-inner {
        flex-wrap: wrap;
        height: auto;
        padding-top: 12px;
        padding-bottom: 12px;
      }

      .logo { order: 1; }
      .hamburger { order: 2; }

      .main-nav {
        order: 3;
        width: 100%;
        overflow: hidden;
        max-height: 0;
        transition: max-height 0.35s ease, opacity 0.3s ease;
        opacity: 0;
      }
      .main-nav.is-open {
        max-height: 300px;
        opacity: 1;
      }

      .nav-list {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        padding: 8px 0 12px;
        gap: 4px;
      }
      .nav-list li a { padding: 10px 12px; font-size: 15px; }

      header .cta-button.btn-primary {
        order: 4;
        width: 100%;
        max-width: 100%;
        padding: 12px 20px;
        font-size: 15px;
        margin-bottom: 4px;
      }

      .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
      }
    }

    @media (min-width: 768px) and (max-width: 1023px) {
      .header-inner { height: 68px; }
      .logo-text { font-size: 18px; }
    }

@media (max-width: 767px) {
      .hamburger { display: flex; }

      .header-inner {
        flex-wrap: wrap;
        height: auto;
        padding-top: 12px;
        padding-bottom: 12px;
      }

      .logo { order: 1; }
      .hamburger { order: 2; }

      .main-nav {
        order: 3;
        width: 100%;
        overflow: hidden;
        max-height: 0;
        transition: max-height 0.35s ease, opacity 0.3s ease;
        opacity: 0;
      }
      .main-nav.is-open {
        max-height: 300px;
        opacity: 1;
      }

      .nav-list {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        padding: 8px 0 12px;
        gap: 4px;
      }
      .nav-list li a { padding: 10px 12px; font-size: 15px; }

      header .cta-button.btn-primary {
        order: 4;
        width: 100%;
        max-width: 100%;
        padding: 12px 20px;
        font-size: 15px;
        margin-bottom: 4px;
      }

      .footer-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
      }
    }