/* Global Resets & Vars - Vibrant Chromatic Light Theme */
    :root {
      --primary: #4f46e5;
      --primary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
      --accent-gradient: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #8b5cf6 100%);
      --warm-gradient: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
      --bg-main: #f8fafc;
      --bg-card: #ffffff;
      --text-main: #0f172a;
      --text-muted: #475569;
      --border-color: #e2e8f0;
      --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
      --shadow-lg: 0 20px 25px -5px rgba(99, 102, 241, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --container-max: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.6;
    }

    body {
      overflow-x: hidden;
      background: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.03) 0%, transparent 40%),
                  radial-gradient(circle at 90% 80%, rgba(236, 72, 153, 0.03) 0%, transparent 40%);
    }

    .container {
      width: 100%;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 20px;
    }

    a {
      color: var(--primary);
      text-decoration: none;
      transition: all 0.25s ease;
    }

    a:hover {
      opacity: 0.85;
    }

    /* Header & Navigation */
    header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
      box-shadow: 0 2px 10px rgba(0,0,0,0.02);
    }

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

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-weight: 700;
      font-size: 20px;
      color: var(--text-main);
    }

    .brand-logo img {
      max-height: 40px;
      width: auto;
    }

    /* Explicit requirement: .nav-links gap must be 0 */
    .nav-links {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 0;
    }

    .nav-links li a {
      padding: 8px 14px;
      font-size: 14px;
      font-weight: 500;
      color: var(--text-muted);
      border-radius: 6px;
      display: inline-block;
    }

    .nav-links li a:hover {
      color: var(--primary);
      background: rgba(99, 102, 241, 0.06);
    }

    .nav-cta {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 14px;
      font-weight: 600;
      border-radius: var(--radius-sm);
      cursor: pointer;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      border: none;
      text-align: center;
    }

    .btn-primary {
      background: var(--primary-gradient);
      color: #ffffff !important;
      box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
    }

    .btn-outline {
      border: 1px solid #cbd5e1;
      background: #ffffff;
      color: var(--text-main);
    }

    .btn-outline:hover {
      background: #f1f5f9;
      transform: translateY(-1px);
    }

    .mobile-menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      cursor: pointer;
      color: var(--text-main);
    }

    /* Section Styles */
    section {
      padding: 80px 0;
      position: relative;
    }

    .section-header {
      text-align: center;
      max-width: 760px;
      margin: 0 auto 50px;
    }

    .section-tag {
      display: inline-block;
      padding: 4px 14px;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(236,72,153,0.1));
      color: var(--primary);
      border-radius: 20px;
      margin-bottom: 12px;
      border: 1px solid rgba(99,102,241,0.2);
    }

    .section-title {
      font-size: 32px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

    .section-subtitle {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* SECTION 1: HERO (Strict requirement: NO IMAGES in Hero) */
    .hero-section {
      padding: 90px 0 70px;
      background: radial-gradient(ellipse at top, rgba(99, 102, 241, 0.12) 0%, rgba(248, 250, 252, 0) 70%);
      text-align: center;
      position: relative;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      background: #ffffff;
      border: 1px solid rgba(99, 102, 241, 0.25);
      border-radius: 30px;
      font-size: 13px;
      font-weight: 600;
      color: #4f46e5;
      box-shadow: var(--shadow-sm);
      margin-bottom: 24px;
    }

    .hero-title {
      font-size: 42px;
      font-weight: 900;
      line-height: 1.25;
      letter-spacing: -1px;
      margin-bottom: 20px;
      background: linear-gradient(135deg, #0f172a 0%, #334155 50%, #4f46e5 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .hero-desc {
      font-size: 18px;
      color: var(--text-muted);
      max-width: 820px;
      margin: 0 auto 36px;
      line-height: 1.75;
    }

    .hero-actions {
      display: flex;
      justify-content: center;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 40px;
    }

    .hero-visit-btn {
      padding: 14px 32px;
      font-size: 16px;
      border-radius: 30px;
    }

    .hero-tags {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 10px;
      max-width: 900px;
      margin: 0 auto;
    }

    .hero-tag-item {
      padding: 6px 14px;
      font-size: 12px;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 20px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* SECTION: STATS BAR */
    .stats-bar {
      margin-top: -30px;
      z-index: 10;
      position: relative;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      background: #ffffff;
      padding: 30px;
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-lg);
      border: 1px solid rgba(226, 232, 240, 0.8);
    }

    .stat-card {
      text-align: center;
      border-right: 1px solid #f1f5f9;
    }

    .stat-card:last-child {
      border-right: none;
    }

    .stat-number {
      font-size: 32px;
      font-weight: 800;
      background: var(--accent-gradient);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 14px;
      color: var(--text-muted);
      font-weight: 500;
    }

    /* Cards Grid System */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .grid-2 {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }

    .card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: all 0.3s ease;
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(99, 102, 241, 0.3);
    }

    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(168,85,247,0.1));
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      color: var(--primary);
      margin-bottom: 18px;
    }

    .card-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }

    .card-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* SECTION: ABOUT & PLATFORM */
    .about-bg {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .models-chip-wrapper {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 16px;
    }

    .model-chip {
      padding: 4px 10px;
      font-size: 12px;
      background: #f1f5f9;
      color: #334155;
      border-radius: 6px;
      font-weight: 600;
    }

    /* SECTION: PROCESS STEPS */
    .process-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }

    .step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 24px;
      border-radius: var(--radius-md);
      position: relative;
    }

    .step-num {
      font-size: 36px;
      font-weight: 900;
      color: rgba(99, 102, 241, 0.15);
      position: absolute;
      top: 15px;
      right: 20px;
    }

    /* SECTION: CASE CENTER */
    .case-media-box {
      border-radius: var(--radius-sm);
      overflow: hidden;
      margin-bottom: 16px;
      background: #e2e8f0;
    }

    .case-media-box img {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }

    .card:hover .case-media-box img {
      transform: scale(1.03);
    }

    /* SECTION: COMPARISON & EVALUATION */
    .eval-badge-box {
      background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
      color: #ffffff;
      border-radius: var(--radius-md);
      padding: 30px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 30px;
    }

    .stars {
      color: #fbbf24;
      font-size: 24px;
      letter-spacing: 2px;
    }

    .eval-score {
      font-size: 48px;
      font-weight: 900;
      color: #38bdf8;
      line-height: 1;
    }

    .eval-score span {
      font-size: 18px;
      color: #94a3b8;
    }

    .comparison-table-wrapper {
      overflow-x: auto;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
    }

    table.comp-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
      font-size: 14px;
    }

    table.comp-table th, table.comp-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
    }

    table.comp-table th {
      background: #f8fafc;
      font-weight: 700;
      color: var(--text-main);
    }

    table.comp-table tr:last-child td {
      border-bottom: none;
    }

    .highlight-cell {
      background: rgba(99, 102, 241, 0.04);
      font-weight: 600;
      color: var(--primary);
    }

    /* SECTION: TOKEN COMPARISON */
    .token-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .token-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
    }

    .price-tag {
      font-size: 24px;
      font-weight: 800;
      color: #059669;
      margin: 12px 0;
    }

    .price-tag span {
      font-size: 13px;
      color: var(--text-muted);
      font-weight: normal;
    }

    /* SECTION: REVIEWS */
    .review-author {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 16px;
      padding-top: 16px;
      border-top: 1px solid #f1f5f9;
    }

    .avatar-placeholder {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
    }

    .author-info h4 {
      font-size: 14px;
      font-weight: 700;
    }

    .author-info p {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* SECTION: FAQ Accordion */
    .faq-container {
      max-width: 800px;
      margin: 0 auto;
    }

    .faq-item {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      margin-bottom: 12px;
      overflow: hidden;
    }

    .faq-title {
      padding: 18px 24px;
      font-weight: 700;
      font-size: 16px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #ffffff;
      transition: background 0.2s;
    }

    .faq-title:hover {
      background: #f8fafc;
    }

    .faq-content {
      padding: 0 24px 18px;
      font-size: 14px;
      color: var(--text-muted);
      display: none;
      line-height: 1.7;
    }

    .faq-item.active .faq-content {
      display: block;
    }

    .faq-item.active .faq-icon {
      transform: rotate(180deg);
    }

    .faq-icon {
      transition: transform 0.3s;
      font-style: normal;
    }

    /* SECTION: CONTACT & FORM */
    .contact-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      box-shadow: var(--shadow-lg);
    }

    .form-group {
      margin-bottom: 20px;
    }

    .form-group label {
      display: block;
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 8px;
      color: var(--text-main);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      font-size: 14px;
      outline: none;
      transition: border-color 0.2s;
      background: #f8fafc;
    }

    .form-control:focus {
      border-color: var(--primary);
      background: #ffffff;
    }

    textarea.form-control {
      min-height: 110px;
      resize: vertical;
    }

    .contact-info-box {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .qr-container {
      display: flex;
      align-items: center;
      gap: 20px;
      background: #f8fafc;
      padding: 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      margin-top: 20px;
    }

    .qr-container img {
      width: 110px;
      height: 110px;
      object-fit: cover;
      border-radius: 8px;
    }

    /* FOOTER */
    footer {
      background: #0f172a;
      color: #94a3b8;
      padding: 60px 0 30px;
      border-top: 1px solid #1e293b;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 2fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-col h4 {
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 20px;
    }

    .footer-links {
      list-style: none;
    }

    .footer-links li {
      margin-bottom: 10px;
    }

    .footer-links a {
      color: #94a3b8;
      font-size: 14px;
    }

    .footer-links a:hover {
      color: #ffffff;
    }

    .friend-links-box {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .friend-links-box a {
      color: #94a3b8;
      font-size: 13px;
      background: #1e293b;
      padding: 4px 10px;
      border-radius: 4px;
    }

    .friend-links-box a:hover {
      color: #38bdf8;
    }

    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 30px;
      text-align: center;
      font-size: 13px;
    }

    /* Floating Widget */
    .float-contact {
      position: fixed;
      right: 20px;
      bottom: 30px;
      z-index: 99;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .float-btn {
      width: 50px;
      height: 50px;
      border-radius: 50%;
      background: var(--primary-gradient);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 4px 12px rgba(0,0,0,0.15);
      cursor: pointer;
      font-size: 20px;
      transition: transform 0.2s;
    }

    .float-btn:hover {
      transform: scale(1.1);
    }

    /* Article List Area */
    .article-link-list {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .article-item-link {
      display: block;
      padding: 12px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-sm);
      color: var(--text-main);
      font-size: 14px;
      font-weight: 500;
    }

    .article-item-link:hover {
      border-color: var(--primary);
      color: var(--primary);
    }

    /* Responsive Queries */
    @media (max-width: 992px) {
      .grid-4, .process-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .grid-3, .token-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .contact-wrapper {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .hero-title {
        font-size: 32px;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-toggle {
        display: block;
      }
      .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #ffffff;
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: var(--shadow-lg);
      }
      .nav-links.show {
        display: flex;
      }
      .nav-links li {
        width: 100%;
        text-align: center;
      }
      .nav-links li a {
        padding: 12px;
        width: 100%;
      }
      .grid-3, .grid-2, .grid-4, .process-steps, .token-grid, .stats-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .hero-title {
        font-size: 26px;
      }
      .hero-desc {
        font-size: 15px;
      }
    }