/* roulang page: index */
:root {
      --primary-dark: #0B1311;
      --surface-card: #141F1C;
      --surface-elevated: #1C2B27;
      --accent: #00E599;
      --accent-soft: rgba(0, 229, 153, 0.12);
      --accent-hover: #00c784;
      --text-main: #FFFFFF;
      --text-muted: #94A3B8;
      --text-sub: #CBD5E1;
      --border-subtle: rgba(0, 229, 153, 0.18);
      --border-light: #2A3B36;
      --font-mono: "Roboto Mono", "DIN Pro", "SF Mono", monospace;
      --max-width: 1240px;
      --transition-smooth: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
      scroll-behavior: smooth;
      background-color: var(--primary-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
    }

    body {
      background-color: var(--primary-dark);
      overflow-x: hidden;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition-smooth);
    }

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

    .container {
      width: 100%;
      max-width: var(--max-width);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Top Strip */
    .top-strip {
      background: #060B0A;
      font-size: 13px;
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
      color: var(--text-muted);
    }
    .top-strip-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .status-indicator {
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .pulse-dot {
      width: 8px;
      height: 8px;
      background: var(--accent);
      border-radius: 50%;
      box-shadow: 0 0 10px var(--accent);
      animation: pulse 2s infinite;
    }
    @keyframes pulse {
      0% { transform: scale(0.9); opacity: 0.8; }
      50% { transform: scale(1.2); opacity: 1; }
      100% { transform: scale(0.9); opacity: 0.8; }
    }

    /* Header Nav */
    header.site-header {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(11, 19, 17, 0.92);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-subtle);
    }
    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 700;
      color: #fff;
      letter-spacing: -0.5px;
    }
    .logo-glyph {
      width: 32px;
      height: 32px;
      border-radius: 6px;
      background: linear-gradient(135deg, var(--accent) 0%, #007750 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #000;
      font-weight: 900;
      font-size: 16px;
    }
    .nav-menu {
      display: flex;
      gap: 32px;
      list-style: none;
    }
    .nav-menu a {
      font-size: 15px;
      color: var(--text-sub);
      font-weight: 500;
      position: relative;
      padding: 6px 0;
    }
    .nav-menu a:hover, .nav-menu a.active {
      color: var(--accent);
    }
    .nav-menu a.active::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 2px;
      background: var(--accent);
    }
    .nav-action {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      border-radius: 6px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition-smooth);
      border: 1px solid transparent;
    }
    .btn-accent {
      background: var(--accent);
      color: #051A13;
      box-shadow: 0 0 16px rgba(0, 229, 153, 0.25);
    }
    .btn-accent:hover {
      background: var(--accent-hover);
      transform: translateY(-2px);
      box-shadow: 0 4px 22px rgba(0, 229, 153, 0.35);
    }
    .btn-outline {
      border-color: var(--border-subtle);
      color: var(--text-main);
      background: rgba(255, 255, 255, 0.03);
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: var(--accent);
    }

    /* Section Commons */
    section {
      padding: 88px 0;
      position: relative;
    }
    .section-alt {
      background: #0E1715;
    }
    .section-darker {
      background: #070D0B;
    }
    .section-header {
      text-align: center;
      max-width: 780px;
      margin: 0 auto 56px;
    }
    .section-tag {
      display: inline-block;
      color: var(--accent);
      background: var(--accent-soft);
      border: 1px solid rgba(0, 229, 153, 0.2);
      padding: 4px 14px;
      border-radius: 20px;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 0.5px;
      margin-bottom: 16px;
      text-transform: uppercase;
    }
    .section-header h2 {
      font-size: 34px;
      font-weight: 700;
      color: #fff;
      line-height: 1.3;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      color: var(--text-muted);
      font-size: 15px;
      line-height: 1.7;
    }

    /* Hero Section */
    .hero-section {
      position: relative;
      padding: 100px 0 110px;
      background: radial-gradient(circle at 50% 20%, rgba(0, 229, 153, 0.12) 0%, transparent 60%),
                  linear-gradient(180deg, #0B1311 0%, #080D0C 100%);
      overflow: hidden;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }
    .hero-bg-overlay {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background-image: url('/assets/images/b232b1efcdd90b6f.jpg');
      background-size: cover;
      background-position: center;
      opacity: 0.14;
      pointer-events: none;
    }
    .hero-content {
      position: relative;
      z-index: 2;
      text-align: center;
      max-width: 920px;
      margin: 0 auto;
    }
    .hero-badge-live {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: rgba(20, 31, 28, 0.8);
      border: 1px solid var(--border-subtle);
      padding: 6px 18px;
      border-radius: 30px;
      font-size: 13px;
      color: var(--accent);
      margin-bottom: 24px;
      backdrop-filter: blur(8px);
    }
    .hero-title {
      font-size: 52px;
      line-height: 1.2;
      font-weight: 800;
      letter-spacing: -1px;
      color: #fff;
      margin-bottom: 24px;
    }
    .hero-title span {
      background: linear-gradient(120deg, #00E599 0%, #5BF3BF 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-lead {
      font-size: 18px;
      color: var(--text-sub);
      line-height: 1.8;
      margin-bottom: 40px;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }
    .hero-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 18px;
      margin-bottom: 48px;
    }
    .hero-feature-tags {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 24px;
      color: var(--text-muted);
      font-size: 13px;
    }
    .hero-feature-tags span {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .hero-feature-tags span::before {
      content: "•";
      color: var(--accent);
      font-size: 18px;
    }

    /* Section 2: Metrics Strip */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .metric-card {
      background: var(--surface-card);
      border: 1px solid var(--border-subtle);
      border-radius: 12px;
      padding: 32px 24px;
      text-align: center;
      transition: var(--transition-smooth);
    }
    .metric-card:hover {
      transform: translateY(-4px);
      border-color: var(--accent);
      box-shadow: 0 10px 28px rgba(0, 0, 0, 0.3);
    }
    .metric-number {
      font-family: var(--font-mono);
      font-size: 42px;
      font-weight: 700;
      color: var(--accent);
      line-height: 1;
      margin-bottom: 10px;
    }
    .metric-label {
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 6px;
    }
    .metric-delta {
      font-size: 12px;
      color: var(--text-muted);
      font-family: var(--font-mono);
    }

    /* Section 3: Architecture Breakdown */
    .arch-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .arch-diagram {
      background: var(--surface-card);
      border: 1px solid var(--border-subtle);
      border-radius: 14px;
      padding: 32px;
      box-shadow: 0 12px 30px rgba(0,0,0,0.25);
    }
    .arch-layer {
      background: rgba(255, 255, 255, 0.03);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 8px;
      padding: 16px;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .arch-layer:last-child {
      margin-bottom: 0;
    }
    .arch-layer-info h4 {
      font-size: 14px;
      color: #fff;
      margin-bottom: 4px;
    }
    .arch-layer-info p {
      font-size: 12px;
      color: var(--text-muted);
    }
    .arch-tag {
      font-family: var(--font-mono);
      font-size: 11px;
      background: var(--accent-soft);
      color: var(--accent);
      padding: 3px 8px;
      border-radius: 4px;
      border: 1px solid rgba(0, 229, 153, 0.2);
    }

    /* Section 4: 6-Card Matrix */
    .cards-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .tech-card {
      background: var(--surface-card);
      border: 1px solid rgba(0, 229, 153, 0.14);
      border-radius: 12px;
      padding: 32px 28px;
      position: relative;
      transition: var(--transition-smooth);
    }
    .tech-card:hover {
      transform: translateY(-5px);
      border-color: var(--accent);
      box-shadow: 0 12px 32px rgba(0, 229, 153, 0.08);
    }
    .card-icon-badge {
      width: 48px;
      height: 48px;
      background: var(--accent-soft);
      border: 1px solid rgba(0, 229, 153, 0.3);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: var(--accent);
      font-size: 20px;
      font-weight: 700;
    }
    .tech-card h3 {
      font-size: 19px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 12px;
    }
    .tech-card p {
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.7;
    }

    /* Section 5: Solutions / Product Tiers */
    .solution-card {
      background: var(--surface-card);
      border: 1px solid var(--border-subtle);
      border-radius: 14px;
      padding: 36px 30px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      position: relative;
    }
    .solution-card.featured {
      border: 2px solid var(--accent);
      background: linear-gradient(180deg, #182823 0%, #121F1B 100%);
    }
    .solution-featured-badge {
      position: absolute;
      top: -12px;
      right: 28px;
      background: var(--accent);
      color: #000;
      font-size: 11px;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 20px;
      text-transform: uppercase;
    }
    .solution-title {
      font-size: 22px;
      color: #fff;
      margin-bottom: 12px;
      font-weight: 700;
    }
    .solution-desc {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 24px;
      min-height: 44px;
    }
    .solution-features {
      list-style: none;
      margin-bottom: 32px;
    }
    .solution-features li {
      font-size: 14px;
      color: var(--text-sub);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .solution-features li::before {
      content: "✓";
      color: var(--accent);
      font-weight: 900;
    }

    /* Section 6: Dark Benchmark vs Traditional */
    .benchmark-container {
      background: #060B0A;
      border: 1px solid var(--border-subtle);
      border-radius: 16px;
      padding: 48px;
    }
    .benchmark-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .benchmark-table th, .benchmark-table td {
      padding: 20px 24px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .benchmark-table th {
      font-size: 16px;
      color: var(--text-muted);
      font-weight: 600;
    }
    .benchmark-table td {
      font-size: 15px;
    }
    .benchmark-table td.highlight {
      color: var(--accent);
      font-weight: 600;
      font-family: var(--font-mono);
    }
    .benchmark-table td.dim {
      color: #64748B;
    }

    /* Section 7: Timeline / Milestones */
    .timeline {
      position: relative;
      max-width: 860px;
      margin: 0 auto;
      padding-left: 36px;
      border-left: 2px solid var(--border-light);
    }
    .timeline-item {
      position: relative;
      margin-bottom: 40px;
    }
    .timeline-item:last-child {
      margin-bottom: 0;
    }
    .timeline-dot {
      position: absolute;
      left: -43px;
      top: 4px;
      width: 12px;
      height: 12px;
      background: var(--accent);
      border-radius: 50%;
      box-shadow: 0 0 10px var(--accent);
    }
    .timeline-date {
      font-family: var(--font-mono);
      font-size: 13px;
      color: var(--accent);
      margin-bottom: 6px;
      display: inline-block;
    }
    .timeline-item h4 {
      font-size: 18px;
      color: #fff;
      margin-bottom: 8px;
    }
    .timeline-item p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* Section 8: Case Studies (Alternate rows) */
    .case-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
      margin-bottom: 64px;
    }
    .case-row:last-child {
      margin-bottom: 0;
    }
    .case-image-box {
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid var(--border-subtle);
      position: relative;
    }
    .case-image-box img {
      width: 100%;
      height: 320px;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .case-image-box:hover img {
      transform: scale(1.03);
    }
    .case-text h3 {
      font-size: 24px;
      color: #fff;
      margin-bottom: 16px;
    }
    .case-text p {
      color: var(--text-muted);
      font-size: 15px;
      line-height: 1.8;
      margin-bottom: 20px;
    }
    .case-quote {
      border-left: 3px solid var(--accent);
      padding-left: 16px;
      font-style: italic;
      color: var(--text-sub);
      font-size: 14px;
    }

    /* Section 9: Testimonials */
    .testimonial-card {
      background: var(--surface-card);
      border: 1px solid var(--border-subtle);
      border-radius: 12px;
      padding: 32px 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .stars {
      color: #F59E0B;
      margin-bottom: 16px;
      font-size: 14px;
      letter-spacing: 2px;
    }
    .testimonial-card p {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .author-info {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .author-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #243430;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--accent);
      border: 1px solid var(--accent-soft);
    }
    .author-meta h5 {
      font-size: 14px;
      color: #fff;
    }
    .author-meta span {
      font-size: 12px;
      color: var(--text-muted);
    }

    /* Section 10: Research Articles / News */
    .article-card {
      background: var(--surface-card);
      border: 1px solid var(--border-subtle);
      border-radius: 12px;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: var(--transition-smooth);
    }
    .article-card:hover {
      transform: translateY(-4px);
      border-color: var(--accent);
    }
    .article-thumb {
      height: 180px;
      overflow: hidden;
    }
    .article-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .article-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .article-date {
      font-family: var(--font-mono);
      font-size: 12px;
      color: var(--accent);
      margin-bottom: 8px;
    }
    .article-body h3 {
      font-size: 17px;
      color: #fff;
      line-height: 1.4;
      margin-bottom: 12px;
    }
    .article-body p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }

    /* Section 11: Security & Compliance */
    .trust-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .trust-card {
      background: var(--surface-card);
      border: 1px solid var(--border-light);
      border-radius: 10px;
      padding: 28px 20px;
      text-align: center;
    }
    .trust-icon {
      font-size: 28px;
      color: var(--accent);
      margin-bottom: 14px;
    }
    .trust-card h4 {
      font-size: 16px;
      color: #fff;
      margin-bottom: 8px;
    }
    .trust-card p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Section 12: Quick Index Bar */
    .filter-bar {
      display: flex;
      justify-content: center;
      gap: 12px;
      margin-bottom: 36px;
      flex-wrap: wrap;
    }
    .filter-btn {
      padding: 8px 20px;
      background: var(--surface-card);
      border: 1px solid var(--border-subtle);
      border-radius: 20px;
      color: var(--text-sub);
      font-size: 14px;
      cursor: pointer;
      transition: var(--transition-smooth);
    }
    .filter-btn.active, .filter-btn:hover {
      background: var(--accent-soft);
      border-color: var(--accent);
      color: var(--accent);
    }
    .scenarios-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .scenario-box {
      background: var(--surface-card);
      border: 1px solid var(--border-subtle);
      border-radius: 10px;
      padding: 24px;
    }
    .scenario-box h4 {
      color: var(--accent);
      font-size: 16px;
      margin-bottom: 10px;
    }
    .scenario-box p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* Section 13: FAQ Accordion */
    .faq-container {
      max-width: 820px;
      margin: 0 auto;
    }
    .faq-item {
      background: var(--surface-card);
      border: 1px solid var(--border-subtle);
      border-radius: 8px;
      margin-bottom: 14px;
      overflow: hidden;
      transition: var(--transition-smooth);
    }
    .faq-question {
      padding: 20px 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      font-size: 16px;
      font-weight: 600;
      color: #fff;
      user-select: none;
    }
    .faq-question:hover {
      color: var(--accent);
    }
    .faq-icon {
      font-size: 20px;
      color: var(--accent);
      transition: transform 0.3s ease;
    }
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      padding: 0 24px;
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.8;
      background: rgba(0, 0, 0, 0.15);
    }
    .faq-item.active .faq-answer {
      max-height: 240px;
      padding: 0 24px 20px;
    }

    /* Section 14: Conversion Form */
    .cta-wrapper {
      background: linear-gradient(135deg, #10211B 0%, #08110F 100%);
      border: 1px solid var(--border-subtle);
      border-radius: 18px;
      padding: 56px 48px;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 56px;
      align-items: center;
      box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    }
    .cta-text h2 {
      font-size: 34px;
      color: #fff;
      font-weight: 800;
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .cta-text p {
      color: var(--text-sub);
      font-size: 15px;
      line-height: 1.7;
      margin-bottom: 28px;
    }
    .cta-points {
      list-style: none;
      margin-bottom: 24px;
    }
    .cta-points li {
      font-size: 14px;
      color: var(--text-muted);
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .cta-points li::before {
      content: "■";
      color: var(--accent);
      font-size: 10px;
    }
    .consult-form {
      background: var(--surface-card);
      border: 1px solid rgba(0, 229, 153, 0.2);
      border-radius: 12px;
      padding: 32px;
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 500;
      color: var(--text-sub);
      margin-bottom: 6px;
    }
    .form-control {
      width: 100%;
      background: #0A1210;
      border: 1px solid var(--border-light);
      border-radius: 6px;
      padding: 12px 14px;
      color: #fff;
      font-size: 14px;
      transition: var(--transition-smooth);
      outline: none;
    }
    .form-control:focus {
      border-color: var(--accent);
      box-shadow: 0 0 10px rgba(0, 229, 153, 0.2);
    }
    .form-control::placeholder {
      color: #475569;
    }
    .form-submit-btn {
      width: 100%;
      height: 46px;
      background: var(--accent);
      color: #061711;
      font-weight: 700;
      border: none;
      border-radius: 6px;
      font-size: 15px;
      cursor: pointer;
      transition: var(--transition-smooth);
    }
    .form-submit-btn:hover {
      background: var(--accent-hover);
      box-shadow: 0 4px 18px rgba(0, 229, 153, 0.35);
    }
    .form-tip {
      font-size: 12px;
      color: #64748B;
      text-align: center;
      margin-top: 10px;
    }

    /* Footer */
    footer.site-footer {
      background: #050908;
      border-top: 1px solid var(--border-light);
      padding: 64px 0 32px;
      color: var(--text-muted);
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1.5fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h3 {
      font-size: 18px;
      color: #fff;
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .footer-brand p {
      line-height: 1.7;
      margin-bottom: 16px;
      font-size: 13px;
    }
    .footer-col h4 {
      font-size: 15px;
      color: #fff;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: var(--text-muted);
      font-size: 13px;
    }
    .footer-links a:hover {
      color: var(--accent);
    }
    .footer-contact-info p {
      font-size: 13px;
      line-height: 1.8;
      margin-bottom: 6px;
    }
    .footer-contact-info a {
      color: var(--accent);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: #64748B;
    }
    .footer-bottom a {
      color: #64748B;
    }
    .footer-bottom a:hover {
      color: var(--accent);
    }

    /* Mobile toggle */
    .mobile-toggle {
      display: none;
      background: none;
      border: 1px solid var(--border-subtle);
      border-radius: 4px;
      color: #fff;
      font-size: 20px;
      width: 40px;
      height: 40px;
      align-items: center;
      justify-content: center;
      cursor: pointer;
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-title {
        font-size: 40px;
      }
      .metrics-grid, .cards-grid-3, .scenarios-grid, .trust-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .arch-grid, .case-row, .cta-wrapper {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .top-strip {
        display: none;
      }
      .mobile-toggle {
        display: flex;
      }
      .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #0E1715;
        flex-direction: column;
        padding: 24px;
        border-bottom: 1px solid var(--border-subtle);
      }
      .nav-menu.open {
        display: flex;
      }
      .nav-action .btn-outline {
        display: none;
      }
      .hero-title {
        font-size: 32px;
      }
      .hero-lead {
        font-size: 15px;
      }
      .hero-actions {
        flex-direction: column;
        gap: 12px;
      }
      .hero-actions .btn {
        width: 100%;
      }
      .metrics-grid, .cards-grid-3, .scenarios-grid, .trust-grid {
        grid-template-columns: 1fr;
      }
      .benchmark-container {
        padding: 24px 16px;
        overflow-x: auto;
      }
      .benchmark-table {
        min-width: 560px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
      .cta-wrapper {
        padding: 32px 20px;
      }
      .consult-form {
        padding: 20px 16px;
      }
    }