/* ============================================
       DESIGN SYSTEM — SOJU88
    ============================================ */
    :root {
      --bg-primary:    #0a0a0f;
      --bg-secondary:  #0f0f1a;
      --bg-card:       #1a1a2e;
      --bg-card-hover: #1e1e38;
      --accent:        #7c3aed;
      --accent-light:  #9d5bf5;
      --accent-glow:   rgba(124, 58, 237, 0.35);
      --cyan:          #06b6d4;
      --cyan-glow:     rgba(6, 182, 212, 0.25);
      --gold:          #f59e0b;
      --gold-glow:     rgba(245, 158, 11, 0.25);
      --success:       #10b981;
      --text-primary:  #f1f5f9;
      --text-secondary:#94a3b8;
      --text-muted:    #64748b;
      --border:        rgba(124, 58, 237, 0.2);
      --border-cyan:   rgba(6, 182, 212, 0.2);
      --glass-bg:      rgba(26, 26, 46, 0.7);
      --glass-border:  rgba(255, 255, 255, 0.08);
      --radius-sm:     8px;
      --radius-md:     14px;
      --radius-lg:     20px;
      --radius-xl:     28px;
      --transition:    0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
      scroll-behavior: smooth;
      scrollbar-width: thin;
      scrollbar-color: var(--accent) var(--bg-secondary);
    }
    ::-webkit-scrollbar { width: 6px; }
    ::-webkit-scrollbar-track { background: var(--bg-secondary); }
    ::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 4px; }

    body {
      font-family: 'Outfit', system-ui, sans-serif;
      background-color: var(--bg-primary);
      color: var(--text-primary);
      line-height: 1.7;
      min-height: 100vh;
      overflow-x: hidden;
    }

    /* ---- Background Ambient ---- */
    body::before {
      content: '';
      position: fixed;
      top: -30%;
      left: -20%;
      width: 70vw;
      height: 70vw;
      background: radial-gradient(circle, rgba(124, 58, 237, 0.08) 0%, transparent 65%);
      pointer-events: none;
      z-index: 0;
    }
    body::after {
      content: '';
      position: fixed;
      bottom: -20%;
      right: -15%;
      width: 60vw;
      height: 60vw;
      background: radial-gradient(circle, rgba(6, 182, 212, 0.06) 0%, transparent 65%);
      pointer-events: none;
      z-index: 0;
    }

    /* ---- Typography ---- */
    h1,h2,h3,h4,h5,h6 { font-weight: 700; line-height: 1.2; }
    a { color: var(--cyan); text-decoration: none; transition: color var(--transition); }
    a:hover { color: var(--accent-light); }
    img { max-width: 100%; height: auto; }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ============================================
       NAVIGATION
    ============================================ */
    .site-nav {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(10, 10, 15, 0.92);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--glass-border);
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 68px;
      gap: 20px;
    }
    .nav-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      flex-shrink: 0;
    }
    .nav-logo-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--accent), var(--cyan));
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      font-weight: 900;
      color: #fff;
      box-shadow: 0 0 16px var(--accent-glow);
    }
    .nav-logo-text {
      font-size: 1.4rem;
      font-weight: 900;
      background: linear-gradient(135deg, #fff 0%, var(--cyan) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
      list-style: none;
    }
    .nav-links a {
      display: block;
      padding: 8px 14px;
      border-radius: var(--radius-sm);
      font-size: 0.9rem;
      font-weight: 500;
      color: var(--text-secondary);
      transition: all var(--transition);
    }
    .nav-links a:hover,
    .nav-links a.active {
      color: var(--text-primary);
      background: rgba(124, 58, 237, 0.15);
    }
    .nav-links a.active { color: var(--accent-light); }
    .nav-cta {
      background: linear-gradient(135deg, var(--accent), var(--cyan)) !important;
      color: #fff !important;
      font-weight: 600 !important;
      padding: 8px 18px !important;
      border-radius: var(--radius-sm) !important;
      box-shadow: 0 0 12px var(--accent-glow);
    }
    .nav-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 20px var(--accent-glow) !important; }

    .nav-hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      padding: 6px;
      background: none;
      border: none;
    }
    .nav-hamburger span {
      display: block;
      width: 24px;
      height: 2px;
      background: var(--text-primary);
      border-radius: 2px;
      transition: all var(--transition);
    }

    /* ============================================
       HERO
    ============================================ */
    .page-hero {
      position: relative;
      padding: 80px 0 60px;
      text-align: center;
      overflow: hidden;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(124, 58, 237, 0.15);
      border: 1px solid rgba(124, 58, 237, 0.35);
      border-radius: 50px;
      padding: 6px 18px;
      font-size: 0.82rem;
      font-weight: 600;
      color: var(--accent-light);
      margin-bottom: 20px;
      letter-spacing: 0.05em;
      text-transform: uppercase;
    }
    .hero-badge .dot {
      width: 7px;
      height: 7px;
      background: var(--accent);
      border-radius: 50%;
      animation: pulse-dot 2s ease-in-out infinite;
    }
    @keyframes pulse-dot {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.5; transform: scale(0.8); }
    }
    .hero-title {
      font-size: clamp(2.2rem, 5vw, 3.4rem);
      font-weight: 900;
      line-height: 1.1;
      margin-bottom: 18px;
      background: linear-gradient(135deg, #fff 0%, var(--accent-light) 50%, var(--cyan) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .hero-desc {
      font-size: 1.1rem;
      color: var(--text-secondary);
      max-width: 580px;
      margin: 0 auto 36px;
      line-height: 1.8;
    }

    /* ---- FAQ Search Box ---- */
    .faq-search-wrap {
      max-width: 560px;
      margin: 0 auto 16px;
      position: relative;
    }
    .faq-search-icon {
      position: absolute;
      left: 18px;
      top: 50%;
      transform: translateY(-50%);
      font-size: 1.1rem;
      color: var(--text-muted);
      pointer-events: none;
    }
    .faq-search {
      width: 100%;
      padding: 15px 20px 15px 50px;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius-xl);
      color: var(--text-primary);
      font-family: 'Outfit', sans-serif;
      font-size: 1rem;
      outline: none;
      transition: all var(--transition);
    }
    .faq-search::placeholder { color: var(--text-muted); }
    .faq-search:focus {
      border-color: var(--accent);
      background: var(--bg-card-hover);
      box-shadow: 0 0 0 3px var(--accent-glow);
    }
    .search-hint {
      font-size: 0.82rem;
      color: var(--text-muted);
      text-align: center;
      margin-top: 8px;
    }
    #search-count {
      color: var(--cyan);
      font-weight: 600;
    }

    /* ============================================
       BREADCRUMB
    ============================================ */
    .breadcrumb-bar {
      padding: 0 0 36px;
      position: relative;
      z-index: 1;
    }
    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
      list-style: none;
      font-size: 0.88rem;
    }
    .breadcrumb li { display: flex; align-items: center; gap: 8px; }
    .breadcrumb a {
      color: var(--text-secondary);
      transition: color var(--transition);
    }
    .breadcrumb a:hover { color: var(--accent-light); }
    .breadcrumb .sep { color: var(--text-muted); font-size: 0.75rem; }
    .breadcrumb .current { color: var(--text-muted); }

    /* ============================================
       STATS BAR
    ============================================ */
    .stats-bar {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-bottom: 52px;
      position: relative;
      z-index: 1;
    }
    .stat-card {
      background: var(--glass-bg);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-md);
      padding: 20px;
      text-align: center;
      backdrop-filter: blur(12px);
      transition: border-color var(--transition);
    }
    .stat-card:hover { border-color: var(--border); }
    .stat-num {
      font-size: 1.8rem;
      font-weight: 800;
      background: linear-gradient(135deg, var(--accent-light), var(--cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .stat-label {
      font-size: 0.82rem;
      color: var(--text-muted);
      margin-top: 4px;
    }

    /* ============================================
       FAQ CATEGORIES TABS
    ============================================ */
    .faq-section {
      position: relative;
      z-index: 1;
      padding-bottom: 80px;
    }
    .faq-tabs {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      margin-bottom: 36px;
      background: var(--bg-card);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-lg);
      padding: 8px;
    }
    .tab-btn {
      flex: 1;
      min-width: 130px;
      padding: 12px 20px;
      border: none;
      border-radius: var(--radius-md);
      background: transparent;
      color: var(--text-secondary);
      font-family: 'Outfit', sans-serif;
      font-size: 0.92rem;
      font-weight: 600;
      cursor: pointer;
      transition: all var(--transition);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      white-space: nowrap;
    }
    .tab-btn:hover {
      color: var(--text-primary);
      background: rgba(124, 58, 237, 0.1);
    }
    .tab-btn.active {
      background: linear-gradient(135deg, var(--accent), rgba(124,58,237,0.7));
      color: #fff;
      box-shadow: 0 4px 16px var(--accent-glow);
    }
    .tab-btn .tab-count {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 20px;
      height: 20px;
      background: rgba(255,255,255,0.15);
      border-radius: 50%;
      font-size: 0.7rem;
    }
    .tab-btn.active .tab-count {
      background: rgba(255,255,255,0.25);
    }

    /* ---- Tab Panels ---- */
    .tab-panel { display: none; }
    .tab-panel.active { display: block; }

    /* ---- Category Header ---- */
    .cat-header {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-bottom: 24px;
    }
    .cat-icon {
      width: 48px;
      height: 48px;
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      flex-shrink: 0;
    }
    .cat-icon.purple { background: linear-gradient(135deg, var(--accent), rgba(124,58,237,0.5)); box-shadow: 0 0 20px var(--accent-glow); }
    .cat-icon.cyan   { background: linear-gradient(135deg, var(--cyan), rgba(6,182,212,0.5));   box-shadow: 0 0 20px var(--cyan-glow); }
    .cat-icon.gold   { background: linear-gradient(135deg, var(--gold), rgba(245,158,11,0.5));   box-shadow: 0 0 20px var(--gold-glow); }
    .cat-title {
      font-size: 1.25rem;
      font-weight: 700;
    }
    .cat-desc {
      font-size: 0.88rem;
      color: var(--text-secondary);
      margin-top: 2px;
    }

    /* ============================================
       ACCORDION
    ============================================ */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .faq-item {
      background: var(--glass-bg);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-md);
      overflow: hidden;
      backdrop-filter: blur(10px);
      transition: border-color var(--transition), box-shadow var(--transition);
    }
    .faq-item:hover {
      border-color: var(--border);
    }
    .faq-item.open {
      border-color: var(--accent);
      box-shadow: 0 0 20px var(--accent-glow);
    }
    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 20px 24px;
      background: none;
      border: none;
      cursor: pointer;
      text-align: left;
      font-family: 'Outfit', sans-serif;
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-primary);
      transition: color var(--transition);
    }
    .faq-question:hover { color: var(--accent-light); }
    .faq-item.open .faq-question { color: var(--accent-light); }

    .faq-q-left {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .faq-num {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: rgba(124, 58, 237, 0.15);
      border: 1px solid rgba(124, 58, 237, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.72rem;
      font-weight: 700;
      color: var(--accent-light);
      flex-shrink: 0;
    }
    .faq-item.open .faq-num {
      background: var(--accent);
      border-color: var(--accent);
      color: #fff;
    }

    .faq-chevron {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: rgba(124, 58, 237, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      transition: transform var(--transition), background var(--transition);
      font-size: 0.75rem;
      color: var(--text-muted);
    }
    .faq-item.open .faq-chevron {
      transform: rotate(180deg);
      background: rgba(124, 58, 237, 0.25);
      color: var(--accent-light);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .faq-item.open .faq-answer { max-height: 500px; }
    .faq-answer-inner {
      padding: 0 24px 22px 66px;
      font-size: 0.97rem;
      color: var(--text-secondary);
      line-height: 1.8;
      border-top: 1px solid var(--glass-border);
      padding-top: 16px;
    }
    .faq-answer-inner a {
      color: var(--cyan);
      font-weight: 500;
    }
    .faq-answer-inner a:hover { color: var(--accent-light); }

    /* No Results */
    .no-results {
      display: none;
      text-align: center;
      padding: 60px 20px;
      color: var(--text-muted);
    }
    .no-results .nr-icon { font-size: 3rem; margin-bottom: 16px; }
    .no-results h3 { color: var(--text-secondary); margin-bottom: 8px; }

    /* ============================================
       CTA SECTION
    ============================================ */
    .cta-section {
      position: relative;
      z-index: 1;
      margin-bottom: 72px;
    }
    .cta-card {
      background: linear-gradient(135deg, rgba(124,58,237,0.15), rgba(6,182,212,0.1));
      border: 1px solid rgba(124, 58, 237, 0.35);
      border-radius: var(--radius-xl);
      padding: 56px 40px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }
    .cta-card::before {
      content: '';
      position: absolute;
      top: -60px;
      right: -60px;
      width: 250px;
      height: 250px;
      background: radial-gradient(circle, var(--accent-glow), transparent 70%);
      pointer-events: none;
    }
    .cta-card::after {
      content: '';
      position: absolute;
      bottom: -60px;
      left: -60px;
      width: 200px;
      height: 200px;
      background: radial-gradient(circle, var(--cyan-glow), transparent 70%);
      pointer-events: none;
    }
    .cta-emoji { font-size: 3rem; margin-bottom: 16px; display: block; }
    .cta-card h2 {
      font-size: 1.9rem;
      margin-bottom: 12px;
      background: linear-gradient(135deg, #fff, var(--accent-light));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .cta-card p {
      color: var(--text-secondary);
      margin-bottom: 32px;
      font-size: 1.05rem;
      max-width: 480px;
      margin-left: auto;
      margin-right: auto;
    }
    .cta-btns {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 14px;
      flex-wrap: wrap;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 13px 28px;
      border-radius: var(--radius-md);
      font-family: 'Outfit', sans-serif;
      font-size: 0.95rem;
      font-weight: 700;
      cursor: pointer;
      border: none;
      text-decoration: none;
      transition: all var(--transition);
    }
    .btn-primary {
      background: linear-gradient(135deg, var(--accent), var(--cyan));
      color: #fff;
      box-shadow: 0 4px 20px var(--accent-glow);
    }
    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 30px var(--accent-glow);
      color: #fff;
    }
    .btn-ghost {
      background: transparent;
      border: 1px solid var(--border);
      color: var(--text-secondary);
    }
    .btn-ghost:hover {
      border-color: var(--accent);
      color: var(--accent-light);
      background: rgba(124,58,237,0.08);
    }

    /* ============================================
       INTERNAL LINKS
    ============================================ */
    .internal-links {
      position: relative;
      z-index: 1;
      margin-bottom: 72px;
    }
    .section-title {
      font-size: 1.35rem;
      font-weight: 700;
      margin-bottom: 24px;
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .section-title::after {
      content: '';
      flex: 1;
      height: 1px;
      background: linear-gradient(90deg, var(--border), transparent);
    }
    .links-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 12px;
    }
    .link-card {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 16px 18px;
      background: var(--glass-bg);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-md);
      text-decoration: none;
      transition: all var(--transition);
      backdrop-filter: blur(10px);
    }
    .link-card:hover {
      border-color: var(--border);
      background: var(--bg-card-hover);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    }
    .link-card .lc-icon {
      font-size: 1.3rem;
      width: 38px;
      height: 38px;
      border-radius: var(--radius-sm);
      background: rgba(124, 58, 237, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .link-card .lc-text { font-size: 0.9rem; font-weight: 600; color: var(--text-primary); }
    .link-card .lc-sub { font-size: 0.78rem; color: var(--text-muted); }

    /* ============================================
       FOOTER
    ============================================ */
    .site-footer {
      position: relative;
      z-index: 1;
      background: var(--bg-secondary);
      border-top: 1px solid var(--glass-border);
      padding: 60px 0 0;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 48px;
    }
    .footer-brand .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
    }
    .footer-brand .brand-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--accent), var(--cyan));
      border-radius: 9px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      color: #fff;
      font-size: 1rem;
    }
    .footer-brand .brand-name {
      font-size: 1.3rem;
      font-weight: 900;
      background: linear-gradient(135deg, #fff, var(--cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }
    .footer-brand p {
      color: var(--text-muted);
      font-size: 0.88rem;
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .footer-socials {
      display: flex;
      gap: 10px;
    }
    .footer-socials a {
      width: 36px;
      height: 36px;
      border-radius: var(--radius-sm);
      background: var(--bg-card);
      border: 1px solid var(--glass-border);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.9rem;
      color: var(--text-muted);
      text-decoration: none;
      transition: all var(--transition);
    }
    .footer-socials a:hover {
      border-color: var(--accent);
      color: var(--accent-light);
      background: rgba(124,58,237,0.12);
    }
    .footer-col h4 {
      font-size: 0.9rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      color: var(--text-secondary);
      margin-bottom: 16px;
    }
    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-col a {
      font-size: 0.88rem;
      color: var(--text-muted);
      text-decoration: none;
      transition: color var(--transition);
    }
    .footer-col a:hover { color: var(--accent-light); }
    .footer-bottom {
      border-top: 1px solid var(--glass-border);
      padding: 24px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 14px;
    }
    .footer-bottom p { font-size: 0.83rem; color: var(--text-muted); }
    .footer-bottom-links {
      display: flex;
      gap: 20px;
    }
    .footer-bottom-links a { font-size: 0.83rem; color: var(--text-muted); }
    .footer-bottom-links a:hover { color: var(--accent-light); }

    /* ============================================
       SEARCH HIGHLIGHT
    ============================================ */
    .highlight-match { background: rgba(124,58,237,0.3); border-radius: 3px; padding: 1px 3px; }

    /* ============================================
       RESPONSIVE
    ============================================ */
    @media (max-width: 900px) {
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
      .stats-bar { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 700px) {
      .nav-links { display: none; }
      .nav-links.open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 68px;
        left: 0;
        right: 0;
        background: rgba(10,10,15,0.98);
        padding: 20px;
        border-bottom: 1px solid var(--glass-border);
        gap: 4px;
        z-index: 999;
        backdrop-filter: blur(20px);
      }
      .nav-links.open a { padding: 12px 16px; }
      .nav-hamburger { display: flex; }
      .faq-tabs { flex-direction: column; }
      .tab-btn { min-width: unset; }
      .faq-answer-inner { padding-left: 24px; }
      .stats-bar { grid-template-columns: 1fr; gap: 10px; }
      .footer-grid { grid-template-columns: 1fr; gap: 24px; }
      .cta-card { padding: 36px 24px; }
      .footer-bottom { flex-direction: column; text-align: center; }
      .page-hero { padding: 52px 0 40px; }
    }
    @media (max-width: 480px) {
      .cta-btns { flex-direction: column; align-items: stretch; }
      .btn { justify-content: center; }
      .faq-question { padding: 16px 18px; }
    }