/* roulang page: index */
:root {
      --bg-main: #0B0F17;
      --bg-surface: #131A26;
      --bg-card: #182232;
      --bg-card-hover: #1E2B3E;
      --bg-light: #F8FAFC;
      --bg-light-surface: #FFFFFF;
      --primary-cyan: #00E599;
      --primary-cyan-glow: rgba(0, 229, 153, 0.25);
      --primary-blue: #0F62FE;
      --accent-orange: #FF6B35;
      --text-main: #F1F5F9;
      --text-muted: #94A3B8;
      --text-dark: #0F172A;
      --text-dark-muted: #64748B;
      --border-dark: #243247;
      --border-light: #E2E8F0;
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --radius-full: 9999px;
      --shadow-subtle: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
      --shadow-glow: 0 0 25px rgba(0, 229, 153, 0.15);
      --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      --font-tabular: "DIN Alternate", "Trebuchet MS", monospace, tabular-nums;
    }

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

    html {
      scroll-behavior: smooth;
      font-size: 16px;
      background-color: var(--bg-main);
      color: var(--text-main);
    }

    body {
      font-family: var(--font-family);
      line-height: 1.75;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    button, input, select, textarea {
      font-family: inherit;
      font-size: inherit;
    }

    .container {
      width: 100%;
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }

    /* Top Bar */
    .top-bar {
      background: #06090E;
      border-bottom: 1px solid var(--border-dark);
      font-size: 0.8125rem;
      color: var(--text-muted);
      padding: 0.5rem 0;
    }
    .top-bar-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .status-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
    }
    .pulse-dot {
      width: 8px;
      height: 8px;
      background-color: var(--primary-cyan);
      border-radius: 50%;
      box-shadow: 0 0 8px var(--primary-cyan);
      animation: pulseAnim 2s infinite;
    }
    @keyframes pulseAnim {
      0% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.85); }
      100% { opacity: 1; transform: scale(1); }
    }

    /* Header Nav */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(11, 15, 23, 0.88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(36, 50, 71, 0.6);
    }
    .header-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      height: 76px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      font-size: 1.25rem;
      font-weight: 700;
      color: #FFFFFF;
      letter-spacing: -0.02em;
    }
    .brand-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary-cyan), var(--primary-blue));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #0B0F17;
      font-weight: 900;
      font-size: 1.1rem;
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 2rem;
      list-style: none;
    }
    .nav-link {
      color: var(--text-muted);
      font-size: 0.9375rem;
      font-weight: 500;
      padding: 0.5rem 0;
      position: relative;
    }
    .nav-link:hover, .nav-link.active {
      color: #FFFFFF;
    }
    .nav-link:hover::after, .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary-cyan);
    }
    .header-cta-group {
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    /* Buttons */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0.75rem 1.5rem;
      border-radius: var(--radius-md);
      font-weight: 600;
      font-size: 0.9375rem;
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.25s ease;
      text-align: center;
      white-space: nowrap;
    }
    .btn-primary {
      background: var(--primary-cyan);
      color: #06090E;
      box-shadow: 0 4px 14px rgba(0, 229, 153, 0.3);
    }
    .btn-primary:hover {
      background: #1affad;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(0, 229, 153, 0.45);
    }
    .btn-secondary {
      background: transparent;
      color: #FFFFFF;
      border-color: var(--border-dark);
    }
    .btn-secondary:hover {
      background: var(--bg-card);
      border-color: var(--text-muted);
      transform: translateY(-2px);
    }
    .btn-blue {
      background: var(--primary-blue);
      color: #FFFFFF;
    }
    .btn-blue:hover {
      background: #2574FF;
      transform: translateY(-2px);
    }
    .btn-sm {
      padding: 0.5rem 1rem;
      font-size: 0.875rem;
    }
    .btn-lg {
      padding: 0.9rem 2rem;
      font-size: 1.05rem;
    }

    /* Section Utility */
    .section-dark {
      background-color: var(--bg-main);
      color: var(--text-main);
      padding: 5.5rem 0;
      border-bottom: 1px solid var(--border-dark);
    }
    .section-surface {
      background-color: var(--bg-surface);
      color: var(--text-main);
      padding: 5.5rem 0;
      border-bottom: 1px solid var(--border-dark);
    }
    .section-light {
      background-color: var(--bg-light);
      color: var(--text-dark);
      padding: 5.5rem 0;
      border-bottom: 1px solid var(--border-light);
    }
    .section-header {
      max-width: 800px;
      margin-bottom: 3.5rem;
    }
    .section-header.center {
      margin-left: auto;
      margin-right: auto;
      text-align: center;
    }
    .section-badge {
      display: inline-block;
      padding: 0.3rem 0.85rem;
      border-radius: var(--radius-full);
      font-size: 0.75rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      margin-bottom: 1rem;
    }
    .badge-cyan {
      background: rgba(0, 229, 153, 0.12);
      color: var(--primary-cyan);
      border: 1px solid rgba(0, 229, 153, 0.25);
    }
    .badge-blue {
      background: rgba(15, 98, 254, 0.12);
      color: #60A5FA;
      border: 1px solid rgba(15, 98, 254, 0.25);
    }
    .section-title {
      font-size: 2.25rem;
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: -0.02em;
      margin-bottom: 1rem;
    }
    .section-title span {
      color: var(--primary-cyan);
    }
    .section-subtitle {
      font-size: 1.05rem;
      line-height: 1.7;
    }
    .section-dark .section-subtitle, .section-surface .section-subtitle {
      color: var(--text-muted);
    }
    .section-light .section-subtitle {
      color: var(--text-dark-muted);
    }

    /* 1. Hero Live Broadcast Style */
    .hero-live {
      position: relative;
      padding: 4.5rem 0 5.5rem;
      background: radial-gradient(circle at 80% 20%, rgba(15, 98, 254, 0.15), transparent 45%),
                  radial-gradient(circle at 10% 80%, rgba(0, 229, 153, 0.08), transparent 40%),
                  var(--bg-main);
      border-bottom: 1px solid var(--border-dark);
      overflow: hidden;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 3.5rem;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 3rem;
      line-height: 1.15;
      font-weight: 800;
      letter-spacing: -0.03em;
      margin-bottom: 1.25rem;
    }
    .hero-content h1 span {
      background: linear-gradient(135deg, #FFFFFF, var(--primary-cyan));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-desc {
      font-size: 1.125rem;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 2rem;
    }
    .hero-btn-row {
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
      margin-bottom: 2.5rem;
    }
    .hero-kpi-bar {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
      padding-top: 1.5rem;
      border-top: 1px solid var(--border-dark);
    }
    .kpi-item .kpi-num {
      font-size: 1.75rem;
      font-weight: 800;
      font-family: var(--font-tabular);
      color: #FFFFFF;
    }
    .kpi-item .kpi-num span {
      color: var(--primary-cyan);
      font-size: 1.1rem;
    }
    .kpi-item .kpi-label {
      font-size: 0.8125rem;
      color: var(--text-muted);
    }

    /* Hero Live Stage Card */
    .hero-stage-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 1.5rem;
      box-shadow: var(--shadow-subtle), var(--shadow-glow);
      position: relative;
    }
    .stage-top {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 1rem;
    }
    .live-tag {
      background: rgba(255, 107, 53, 0.2);
      color: var(--accent-orange);
      border: 1px solid rgba(255, 107, 53, 0.4);
      padding: 0.25rem 0.6rem;
      border-radius: var(--radius-sm);
      font-size: 0.75rem;
      font-weight: 700;
      display: inline-flex;
      align-items: center;
      gap: 0.4rem;
    }
    .stage-preview {
      position: relative;
      border-radius: var(--radius-md);
      overflow: hidden;
      margin-bottom: 1.25rem;
      aspect-ratio: 16/9;
    }
    .stage-preview img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .stage-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(11, 15, 23, 0.9) 0%, transparent 60%);
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 1rem;
    }
    .countdown-box {
      display: flex;
      gap: 0.75rem;
      align-items: center;
      background: rgba(19, 26, 38, 0.85);
      border: 1px solid var(--border-dark);
      padding: 0.75rem 1rem;
      border-radius: var(--radius-md);
      margin-bottom: 1rem;
    }
    .countdown-unit {
      text-align: center;
      flex: 1;
    }
    .countdown-val {
      font-size: 1.25rem;
      font-weight: 800;
      font-family: var(--font-tabular);
      color: var(--primary-cyan);
      display: block;
    }
    .countdown-txt {
      font-size: 0.7rem;
      color: var(--text-muted);
    }

    /* 2. Challenges Section (Pain Points) */
    .challenges-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.75rem;
    }
    .challenge-card {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 2.25rem 1.75rem;
      transition: all 0.3s ease;
      position: relative;
    }
    .challenge-card:hover {
      transform: translateY(-4px);
      border-color: rgba(255, 107, 53, 0.4);
    }
    .challenge-num {
      font-size: 2.5rem;
      font-weight: 900;
      font-family: var(--font-tabular);
      color: rgba(148, 163, 184, 0.15);
      margin-bottom: 0.75rem;
      line-height: 1;
    }
    .challenge-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 0.75rem;
      color: #FFFFFF;
    }
    .challenge-card p {
      font-size: 0.9375rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 3. About Section (Split) */
    .about-split {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 3.5rem;
      align-items: center;
    }
    .about-visual {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-dark);
    }
    .about-visual img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .about-spec-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.25rem;
      margin-top: 2rem;
    }
    .about-spec-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-dark);
      padding: 1.25rem;
      border-radius: var(--radius-md);
    }
    .about-spec-item strong {
      display: block;
      font-size: 1.35rem;
      color: var(--primary-cyan);
      font-family: var(--font-tabular);
      margin-bottom: 0.25rem;
    }
    .about-spec-item span {
      font-size: 0.8125rem;
      color: var(--text-muted);
    }

    /* 4. Features Grid (6 cards) */
    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.75rem;
    }
    .feature-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 2rem;
      transition: all 0.3s ease;
    }
    .feature-card:hover {
      transform: translateY(-5px);
      border-color: var(--primary-cyan);
      box-shadow: 0 10px 30px rgba(0, 229, 153, 0.08);
    }
    .feature-icon-box {
      width: 48px;
      height: 48px;
      background: rgba(0, 229, 153, 0.1);
      border: 1px solid rgba(0, 229, 153, 0.2);
      border-radius: var(--radius-md);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-cyan);
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 1.25rem;
    }
    .feature-card h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 0.75rem;
      color: #FFFFFF;
    }
    .feature-card p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 5. Products Matrix (3 modules) */
    .products-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 2rem;
    }
    .product-box {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: all 0.3s ease;
    }
    .product-box:hover {
      transform: translateY(-4px);
      border-color: var(--primary-blue);
    }
    .product-img {
      height: 200px;
      overflow: hidden;
    }
    .product-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .product-box:hover .product-img img {
      transform: scale(1.05);
    }
    .product-body {
      padding: 1.75rem;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .product-body h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 0.75rem;
      color: #FFFFFF;
    }
    .product-body p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 1.5rem;
      flex-grow: 1;
    }
    .product-points {
      list-style: none;
      margin-bottom: 1.5rem;
      padding-top: 1rem;
      border-top: 1px solid var(--border-dark);
    }
    .product-points li {
      font-size: 0.8125rem;
      color: #CBD5E1;
      margin-bottom: 0.4rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }
    .product-points li::before {
      content: "✓";
      color: var(--primary-cyan);
      font-weight: bold;
    }

    /* 6. Workflow Steps (4 timeline) */
    .timeline-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
      position: relative;
    }
    .timeline-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 2rem 1.5rem;
      position: relative;
    }
    .step-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      background: var(--primary-cyan);
      color: #0B0F17;
      border-radius: 50%;
      font-weight: 800;
      font-size: 0.95rem;
      margin-bottom: 1.25rem;
    }
    .timeline-card h3 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
      color: #FFFFFF;
    }
    .timeline-card p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 7. Dark Case / Deep Analysis */
    .deep-case-box {
      background: linear-gradient(135deg, #070A0F, #111823);
      border: 1px solid rgba(0, 229, 153, 0.3);
      border-radius: var(--radius-lg);
      padding: 3.5rem;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 3rem;
      align-items: center;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
    }
    .case-data-board {
      background: rgba(11, 15, 23, 0.9);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      padding: 1.5rem;
    }
    .data-row-item {
      display: flex;
      justify-content: space-between;
      padding: 0.75rem 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      font-size: 0.875rem;
    }
    .data-row-item:last-child {
      border-bottom: none;
    }
    .data-row-item .val {
      font-family: var(--font-tabular);
      font-weight: 700;
      color: var(--primary-cyan);
    }

    /* 8. User Stories (Light/Contrast Panel) */
    .stories-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2rem;
    }
    .story-card {
      background: var(--bg-light-surface);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 2.25rem;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    }
    .story-tag {
      font-size: 0.75rem;
      font-weight: 700;
      color: var(--primary-blue);
      text-transform: uppercase;
      margin-bottom: 0.5rem;
      display: block;
    }
    .story-card h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 1rem;
    }
    .story-card p {
      font-size: 0.925rem;
      color: var(--text-dark-muted);
      line-height: 1.7;
    }

    /* 9. Key Performance Stats Bar */
    .stats-full-bar {
      background: linear-gradient(90deg, #09101D, #101B2B, #09101D);
      border-top: 1px solid var(--border-dark);
      border-bottom: 1px solid var(--border-dark);
      padding: 3.5rem 0;
    }
    .stats-container {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 2rem;
      text-align: center;
    }
    .stat-number {
      font-size: 3rem;
      font-weight: 900;
      font-family: var(--font-tabular);
      color: #FFFFFF;
      line-height: 1;
      margin-bottom: 0.5rem;
    }
    .stat-number span {
      color: var(--primary-cyan);
    }
    .stat-text {
      font-size: 0.875rem;
      color: var(--text-muted);
    }

    /* 10. Testimonials */
    .testi-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.75rem;
    }
    .testi-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 2rem;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .testi-quote {
      font-size: 0.9375rem;
      color: #CBD5E1;
      line-height: 1.7;
      margin-bottom: 1.5rem;
      font-style: italic;
    }
    .testi-author {
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }
    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--border-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary-cyan);
      border: 1px solid rgba(0, 229, 153, 0.3);
    }
    .author-meta strong {
      display: block;
      font-size: 0.9rem;
      color: #FFFFFF;
    }
    .author-meta span {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    /* 11. Insights & Updates (No external link, anchor-friendly) */
    .insights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.75rem;
    }
    .insight-card {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .insight-img {
      height: 180px;
      overflow: hidden;
    }
    .insight-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .insight-content {
      padding: 1.5rem;
    }
    .insight-date {
      font-size: 0.75rem;
      color: var(--primary-cyan);
      margin-bottom: 0.5rem;
      display: block;
    }
    .insight-content h3 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 0.75rem;
      color: #FFFFFF;
      line-height: 1.4;
    }
    .insight-content p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 12. FAQ Accordion */
    .faq-wrapper {
      max-width: 860px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-md);
      margin-bottom: 1rem;
      overflow: hidden;
    }
    .faq-question {
      padding: 1.25rem 1.5rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-weight: 600;
      color: #FFFFFF;
      user-select: none;
    }
    .faq-question:hover {
      color: var(--primary-cyan);
    }
    .faq-icon {
      font-size: 1.25rem;
      transition: transform 0.3s ease;
    }
    .faq-answer {
      padding: 0 1.5rem 1.25rem;
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.7;
      display: none;
    }
    .faq-item.open .faq-answer {
      display: block;
    }
    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      color: var(--primary-cyan);
    }

    /* 13. Contact & Delivery Intake Form */
    .contact-container {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 3.5rem;
      align-items: center;
    }
    .intake-form-box {
      background: var(--bg-card);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-lg);
      padding: 2.5rem;
    }
    .form-group {
      margin-bottom: 1.25rem;
    }
    .form-group label {
      display: block;
      font-size: 0.85rem;
      font-weight: 600;
      color: #CBD5E1;
      margin-bottom: 0.5rem;
    }
    .form-control {
      width: 100%;
      background: var(--bg-surface);
      border: 1px solid var(--border-dark);
      border-radius: var(--radius-sm);
      padding: 0.75rem 1rem;
      color: #FFFFFF;
      outline: none;
      transition: border-color 0.25s ease;
    }
    .form-control:focus {
      border-color: var(--primary-cyan);
    }
    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1rem;
    }
    .form-success-notice {
      display: none;
      margin-top: 1rem;
      padding: 0.75rem 1rem;
      background: rgba(0, 229, 153, 0.15);
      border: 1px solid var(--primary-cyan);
      color: var(--primary-cyan);
      border-radius: var(--radius-sm);
      font-size: 0.85rem;
      text-align: center;
    }

    /* Site Footer */
    .site-footer {
      background: #06090E;
      border-top: 1px solid var(--border-dark);
      padding: 4.5rem 0 2rem;
      color: var(--text-muted);
      font-size: 0.875rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
      gap: 3rem;
      margin-bottom: 3.5rem;
    }
    .footer-col h4 {
      font-size: 0.95rem;
      color: #FFFFFF;
      font-weight: 700;
      margin-bottom: 1.25rem;
      letter-spacing: 0.02em;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 0.6rem;
    }
    .footer-links a:hover {
      color: var(--primary-cyan);
    }
    .footer-bottom {
      padding-top: 2rem;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8125rem;
      flex-wrap: wrap;
      gap: 1rem;
    }

    /* Floating Conversion Anchor Bar */
    .floating-cta-bar {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background: rgba(19, 26, 38, 0.95);
      backdrop-filter: blur(12px);
      border: 1px solid var(--primary-cyan);
      border-radius: var(--radius-full);
      padding: 0.6rem 1.5rem;
      display: flex;
      align-items: center;
      gap: 1.5rem;
      z-index: 99;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 15px rgba(0, 229, 153, 0.2);
    }
    .floating-text {
      font-size: 0.875rem;
      color: #FFFFFF;
      font-weight: 600;
    }

    /* Mobile Hamburger */
    .mobile-menu-btn {
      display: none;
      background: none;
      border: none;
      color: #FFFFFF;
      font-size: 1.5rem;
      cursor: pointer;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-grid, .about-split, .deep-case-box, .contact-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
      }
      .challenges-grid, .features-grid, .products-grid, .timeline-grid, .testi-grid, .insights-grid {
        grid-template-columns: 1fr 1fr;
      }
      .stats-container {
        grid-template-columns: 1fr 1fr;
        gap: 2.5rem;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
      }
    }

    @media (max-width: 768px) {
      .mobile-menu-btn {
        display: block;
      }
      .nav-menu {
        position: absolute;
        top: 76px;
        left: 0;
        width: 100%;
        background: var(--bg-surface);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        border-bottom: 1px solid var(--border-dark);
        display: none;
      }
      .nav-menu.open {
        display: flex;
      }
      .hero-content h1 {
        font-size: 2.2rem;
      }
      .challenges-grid, .features-grid, .products-grid, .timeline-grid, .stories-grid, .testi-grid, .insights-grid {
        grid-template-columns: 1fr;
      }
      .stats-container {
        grid-template-columns: 1fr;
      }
      .form-row {
        grid-template-columns: 1fr;
      }
      .floating-cta-bar {
        width: 90%;
        justify-content: space-between;
        padding: 0.6rem 1rem;
      }
      .floating-text {
        font-size: 0.775rem;
      }
    }