body {
  background-color: #05060b; /* Fallback color for overscroll / embeds */
}

:root {
      --bg-main: #05060b;
      --bg-alt: #0a0c14;
      --bg-band: #070813;
      --accent: #3dd6ff;
      --accent-soft: rgba(61, 214, 255, 0.18);
      --accent-secondary: #8f7cff;
      --text-main: #f5f6ff;
      --text-muted: #a4a7c2;
      --border-subtle: #1a1d2a;
      --nav-height: 64px;
      --max-width: 1100px;
      --radius-card: 12px;
      --transition-fast: 0.18s ease-out;
      --shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.65);
    }

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

    html, body {
      height: 100%;
      scroll-behavior: smooth;
      background: radial-gradient(circle at top left, #111528 0, #05060b 50%, #020308 100%);
      background-color: #05060b;
      color: var(--text-main);
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
        "Inter", "Roboto", "Segoe UI", sans-serif;
    }

    body {
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

    /* Layout helpers */
    .page {
      min-height: 100vh;
      background: radial-gradient(circle at 5% 0, rgba(61, 214, 255, 0.16) 0, transparent 42%),
                  radial-gradient(circle at 80% 0, rgba(143, 124, 255, 0.24) 0, transparent 52%),
                  var(--bg-main);
    }

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

    section {
      padding: 72px 0;
    }

    @media (max-width: 720px) {
      section {
        padding: 56px 0;
      }
    }

    /* Header / Nav */
    .header {
      position: sticky;
      top: 0;
      z-index: 50;
      backdrop-filter: blur(16px);
      background: linear-gradient(to bottom,
        rgba(3, 4, 9, 0.94),
        rgba(3, 4, 9, 0.88),
        rgba(3, 4, 9, 0.74)
      );
      border-bottom: 1px solid rgba(32, 36, 58, 0.9);
      transition: background 0.3s ease, border-color 0.3s ease;
    }

    .nav-open .header {
      background: rgba(3, 4, 9, 0.98);
      border-bottom: 1px solid rgba(32, 36, 58, 1);
    }

    .header-inner {
      height: var(--nav-height);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 10px;
      cursor: pointer;
    }

    .brand img {
      height: 28px;
    }

    .brand-text {
      font-weight: 600;
      letter-spacing: 0.08em;
      font-size: 0.8rem;
      text-transform: uppercase;
      color: #f9fbff;
    }

    .nav {
      display: flex;
      align-items: center;
      gap: 32px;
      font-size: 0.85rem;
      text-transform: uppercase;
      letter-spacing: 0.14em;
      color: var(--text-muted);
    }

    .nav-links {
      display: flex;
      gap: 20px;
    }

    .nav-links a {
      position: relative;
      padding-bottom: 4px;
      font-size: 0.78rem;
      opacity: 0.9;
      transition: color var(--transition-fast), opacity var(--transition-fast);
    }

    .nav-links a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 0;
      height: 1px;
      background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
      transition: width var(--transition-fast);
    }

    .nav-links a:hover {
      color: var(--accent);
      opacity: 1;
    }

    .nav-links a:hover::after {
      width: 100%;
    }

    .nav-tek {
      display: flex;
      align-items: center;
      gap: 8px;
      padding-left: 16px;
      margin-left: 8px;
      border-left: 1px solid rgba(52, 56, 88, 0.9);
      font-size: 0.72rem;
      color: var(--text-muted);
      opacity: 0.85;
    }

    .nav-tek img {
      height: 18px;
      filter: grayscale(1) brightness(1.4);
      opacity: 0.9;
    }

    .nav-tek span strong {
      color: #d9dcff;
      font-weight: 500;
    }

    .nav-tek:hover {
      color: var(--accent);
      opacity: 1;
    }

    /* Mobile nav */
    .nav-toggle {
      display: none;
      width: 28px;
      height: 22px;
      position: relative;
      cursor: pointer;
      background: transparent;
      border: none;
      padding: 0;
    }

    .nav-toggle span {
      position: absolute;
      left: 0;
      width: 100%;
      height: 2px;
      background: #ebeefe;
      transition: transform 0.2s ease, top 0.2s ease, opacity 0.2s ease;
    }

    .nav-toggle span:nth-child(1) {
      top: 0;
    }
    .nav-toggle span:nth-child(2) {
      top: 10px;
    }
    .nav-toggle span:nth-child(3) {
      top: 20px;
    }

    .nav-open .nav-toggle span:nth-child(1) {
      top: 10px;
      transform: rotate(45deg);
    }
    .nav-open .nav-toggle span:nth-child(2) {
      opacity: 0;
    }
    .nav-open .nav-toggle span:nth-child(3) {
      top: 10px;
      transform: rotate(-45deg);
    }

    .nav-mobile {
      display: none;
      position: fixed;
      inset: var(--nav-height) 0 0 0;
      background: #05060b;
      background-image: radial-gradient(circle at top, #181b31 0, #05060b 36%, #020308 100%);
      padding: 24px 20px 32px;
      z-index: 40;
      box-shadow: 0 26px 60px rgba(0, 0, 0, 0.9);
    }

    .nav-mobile-links {
      display: flex;
      flex-direction: column;
      gap: 18px;
      text-transform: uppercase;
      letter-spacing: 0.18em;
      font-size: 0.78rem;
      color: var(--text-main);
    }

    .nav-mobile-links a {
      padding: 6px 0;
    }

    .nav-mobile-tek {
      margin-top: auto;
      padding-top: 18px;
      border-top: 1px solid rgba(42, 46, 78, 0.9);
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.78rem;
      color: var(--text-muted);
    }

    .nav-mobile-tek img {
      height: 22px;
      filter: grayscale(1) brightness(1.4);
      opacity: 0.9;
    }

    .nav-mobile-tek strong {
      color: #dde1ff;
      font-weight: 500;
    }

    .nav-open .nav-mobile {
      display: flex;
      flex-direction: column;
    }

    @media (max-width: 880px) {
      .nav {
        display: none;
      }
      .nav-toggle {
        display: block;
      }
    }

    /* Hero */
    .hero {
      padding-top: 40px;
      padding-bottom: 72px;
    }

    .hero-inner {
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
      gap: 42px;
      align-items: center;
      min-height: calc(100vh - var(--nav-height) - 40px);
    }

    .hero-pre {
      font-size: 0.82rem;
      letter-spacing: 0.18em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 12px;
    }

    .hero-title {
      font-size: clamp(2.2rem, 3.4vw + 1rem, 3.3rem);
      line-height: 1.12;
      font-weight: 650;
      letter-spacing: 0.02em;
      margin-bottom: 16px;
      text-shadow:
        0 0 18px rgba(61, 214, 255, 0.18),
        0 0 36px rgba(15, 16, 40, 0.9);
    }

    .hero-title span {
      background: linear-gradient(120deg, #f9fbff, #e1f8ff, #c4c4ff);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .hero-body {
      max-width: 520px;
      font-size: 0.98rem;
      color: var(--text-muted);
      margin-bottom: 26px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px 18px;
      align-items: center;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 20px;
      border-radius: 999px;
      font-size: 0.88rem;
      font-weight: 500;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      background: radial-gradient(circle at 0 0, rgba(61, 214, 255, 0.36) 0, transparent 40%),
                  linear-gradient(120deg, #0cf, #4cf5ff, #8f7cff);
      color: #020308;
      box-shadow: 0 0 0 1px rgba(140, 246, 255, 0.4), var(--shadow-soft);
      border: none;
      cursor: pointer;
      transition: transform 0.12s ease-out, box-shadow 0.12s ease-out, filter 0.12s ease-out;
    }

    .btn-primary:hover {
      transform: translateY(-1px);
      filter: brightness(1.05);
      box-shadow: 0 0 0 1px rgba(140, 246, 255, 0.75), 0 22px 44px rgba(8, 233, 255, 0.35);
    }

    .btn-primary:active {
      transform: translateY(0);
      box-shadow: 0 0 0 1px rgba(140, 246, 255, 0.55), 0 12px 26px rgba(0, 0, 0, 0.7);
    }

    .btn-secondary-link {
      font-size: 0.88rem;
      color: var(--accent);
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      opacity: 0.9;
      transition: opacity var(--transition-fast), transform var(--transition-fast);
    }

    .btn-secondary-link::after {
      content: "➝";
      font-size: 0.86rem;
      transform: translateX(0);
      transition: transform var(--transition-fast);
    }

    .btn-secondary-link:hover {
      opacity: 1;
      transform: translateX(1px);
    }

    .btn-secondary-link:hover::after {
      transform: translateX(3px);
    }

    .hero-note {
      margin-top: 18px;
      font-size: 0.78rem;
      color: var(--text-muted);
      max-width: 360px;
    }

    .hero-note span {
      color: var(--accent-secondary);
    }

    /* Hero visual with canvas animation */
    .hero-visual {
      position: relative;
      min-height: 400px;
      border-radius: 24px;
      background: #000;
      border: 1px solid rgba(70, 86, 125, 0.6);
      box-shadow: 0 26px 60px rgba(0, 0, 0, 0.9);
      overflow: hidden;
      isolation: isolate;
    }

    .hero-visual-stage {
      position: absolute;
      inset: 0;
      z-index: 1;
    }

    .hero-visual-stage canvas {
      display: block;
      width: 100%;
      height: 100%;
    }

    .hero-visual-vignette {
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at center, transparent 0%, transparent 40%, rgba(0, 0, 0, 0.7) 100%);
      pointer-events: none;
      z-index: 2;
    }

    .hero-visual-overlay {
      position: absolute;
      bottom: 16px;
      left: 16px;
      z-index: 3;
      pointer-events: none;
    }

    .hero-visual-overlay-text {
      display: flex;
      flex-direction: column;
      gap: 4px;
      font-family: 'Courier New', monospace;
      font-size: 10px;
      letter-spacing: 2px;
      text-transform: uppercase;
      color: rgba(0, 255, 200, 0.35);
    }

    .hero-visual-overlay-sub {
      opacity: 0.5;
    }

    @media (max-width: 960px) {
      .hero-inner {
        grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
        gap: 32px;
        min-height: auto;
      }
    }

    @media (max-width: 800px) {
      .hero-inner {
        grid-template-columns: minmax(0, 1fr);
      }

      .hero {
        padding-top: 30px;
      }

      .hero-visual {
        min-height: 220px;
        order: 2;
      }
    }

    /* Sections: Shared styles */
    .section-title {
      font-size: 1.4rem;
      margin-bottom: 10px;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: #f0f2ff;
    }

    .section-subtitle {
      max-width: 580px;
      font-size: 0.94rem;
      color: var(--text-muted);
      margin-bottom: 26px;
    }

    /* What DeepInsight Offers (pillars) */
    .offers {
      background: radial-gradient(circle at 0 0, rgba(61, 214, 255, 0.1) 0, transparent 42%),
                  radial-gradient(circle at 100% 0, rgba(143, 124, 255, 0.14) 0, transparent 52%),
                  var(--bg-alt);
      border-top: 1px solid var(--border-subtle);
      border-bottom: 1px solid var(--border-subtle);
    }

    .pillars {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 18px;
      margin-top: 10px;
    }

    .pillar {
      padding: 16px 16px 18px;
      border-radius: 16px;
      background: radial-gradient(circle at 0 0, rgba(5, 225, 255, 0.16) 0, transparent 56%),
                  linear-gradient(145deg, rgba(10, 13, 27, 0.98), rgba(4, 6, 16, 0.98));
      border: 1px solid rgba(58, 72, 116, 0.9);
      box-shadow: 0 18px 40px rgba(0, 0, 0, 0.7);
      font-size: 0.9rem;
      position: relative;
      overflow: hidden;
    }

    .pillar::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 20% 0, rgba(61, 214, 255, 0.16) 0, transparent 50%),
        radial-gradient(circle at 90% 100%, rgba(143, 124, 255, 0.32) 0, transparent 50%);
      opacity: 0;
      transition: opacity var(--transition-fast);
      pointer-events: none;
    }

    .pillar:hover::before {
      opacity: 1;
    }

    .pillar-title {
      font-weight: 550;
      margin-bottom: 6px;
      color: #f6f7ff;
    }

    .pillar-body {
      color: var(--text-muted);
      font-size: 0.86rem;
    }

    @media (max-width: 960px) {
      .pillars {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media (max-width: 640px) {
      .pillars {
        grid-template-columns: minmax(0, 1fr);
      }
    }

    /* Navigation cards (routes) */
    .routes {
      background: radial-gradient(circle at 0 0, rgba(61, 214, 255, 0.14) 0, transparent 50%),
                  radial-gradient(circle at 100% 0, rgba(143, 124, 255, 0.16) 0, transparent 52%),
                  var(--bg-main);
    }

    .route-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 18px;
      margin-top: 10px;
    }

    .route-card {
      position: relative;
      padding: 18px 18px 18px;
      border-radius: 18px;
      border: 1px solid rgba(60, 72, 112, 0.9);
      background: linear-gradient(135deg, rgba(9, 12, 24, 0.98), rgba(5, 7, 16, 0.98));
      box-shadow: 0 18px 40px rgba(0, 0, 0, 0.72);
      cursor: default;
      transition:
        transform 0.18s ease-out,
        box-shadow 0.18s ease-out,
        border-color 0.18s ease-out,
        background 0.18s ease-out;
      overflow: hidden;
    }

    .route-step-label {
      font-size: 0.7rem;
      text-transform: uppercase;
      letter-spacing: 0.24em;
      color: var(--accent);
      margin-bottom: 12px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      opacity: 0.85;
    }

    .route-step-label::before {
      content: "";
      display: block;
      width: 12px;
      height: 1px;
      background: rgba(61, 214, 255, 0.4);
      opacity: 0.7;
    }

    .route-step .route-title {
      margin-bottom: 6px;
    }

    .route-card::before {
      content: "";
      position: absolute;
      inset: -40%;
      opacity: 0;
      background: radial-gradient(circle at 0 0, rgba(61, 214, 255, 0.28) 0, transparent 58%),
                  radial-gradient(circle at 100% 100%, rgba(143, 124, 255, 0.32) 0, transparent 50%);
      transition: opacity 0.18s ease-out;
      pointer-events: none;
    }

    .route-card:hover {
      transform: translateY(-3px);
      border-color: rgba(102, 207, 255, 0.9);
      box-shadow: 0 26px 60px rgba(0, 0, 0, 0.9);
    }

    .route-card:hover::before {
      opacity: 1;
    }

    .route-title {
      font-size: 1rem;
      font-weight: 550;
      margin-bottom: 4px;
      color: #f7f8ff;
    }

    .route-body {
      font-size: 0.86rem;
      color: var(--text-muted);
      margin-bottom: 8px;
    }

    .route-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 0.82rem;
      color: var(--accent);
      text-transform: uppercase;
      letter-spacing: 0.16em;
    }

    .route-link span {
      font-size: 0.86rem;
      transition: transform var(--transition-fast);
    }

    .route-card:hover .route-link span {
      transform: translateX(4px);
    }

    /* Why it matters band */
    .why {
      background: var(--bg-band);
      border-top: 1px solid var(--border-subtle);
      border-bottom: 1px solid var(--border-subtle);
    }

    .why-inner {
      max-width: 800px;
      font-size: 0.92rem;
      color: var(--text-muted);
    }

    .why-label {
      font-size: 0.76rem;
      text-transform: uppercase;
      letter-spacing: 0.18em;
      color: rgba(195, 205, 255, 0.92);
      margin-bottom: 8px;
    }

    .why-title {
      font-size: 1.2rem;
      margin-bottom: 10px;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: #f4f6ff;
    }

    /* About / placeholder section */
    .about {
      background: var(--bg-main);
    }

    .cta-inner {
      max-width: 620px;
    }

    .cta-body {
      max-width: 520px;
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 18px;
    }

    .cta-actions {
      display: flex;
      align-items: center;
    }

    /* TEK Optima strip */
    .tek-strip {
      border-top: 1px solid var(--border-subtle);
      background: radial-gradient(circle at 0 0, rgba(143, 124, 255, 0.2) 0, transparent 60%),
                  radial-gradient(circle at 100% 100%, rgba(61, 214, 255, 0.18) 0, transparent 60%),
                  #040510;
      padding: 26px 0;
    }

    .tek-strip-inner {
      display: grid;
      grid-template-columns: auto minmax(0, 1fr);
      align-items: center;
      gap: 28px;
      font-size: 0.9rem;
      color: var(--text-muted);
    }

    .tek-strip-logo {
      height: 32px;
      filter: grayscale(1) brightness(1.4);
    }

    .tek-strip-text {
      display: flex;
      flex-direction: column;
      gap: 6px;
      max-width: 520px;
      text-wrap: balance;
    }

    .tek-strip-text p {
      margin: 0;
      line-height: 1.4;
    }

    .tek-strip-text strong {
      color: #e9ecff;
      font-weight: 500;
    }

    .tek-strip-link {
      font-size: 0.85rem;
      color: var(--accent);
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-top: 4px;
    }

    .tek-strip-link span {
      font-size: 0.86rem;
      transition: transform var(--transition-fast);
    }

    .tek-strip-link:hover span {
      transform: translateX(3px);
    }

    @media (max-width: 640px) {
      .tek-strip-inner {
        grid-template-columns: 1fr;
        text-align: left;
      }

      .tek-strip-logo {
        height: 28px;
      }

      .tek-strip-text {
        max-width: none;
      }
    }

    /* Footer */
    .footer {
      background: #020309;
      border-top: 1px solid #181a28;
      padding: 18px 0 24px;
      font-size: 0.8rem;
      color: #7c7f9b;
    }

    .footer-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      flex-wrap: wrap;
    }

    .footer-links {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
    }

    .footer-links a {
      color: inherit;
      text-decoration: none;
      position: relative;
      padding-bottom: 2px;
    }

    .footer-links a::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 0;
      height: 1px;
      background: rgba(141, 147, 190, 0.9);
      transition: width var(--transition-fast);
    }

    .footer-links a:hover::after {
      width: 100%;
    }

    @media (max-width: 600px) {
      .footer-inner {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    /* Contact page */
    .contact-hero {
      padding-top: 60px;
      padding-bottom: 80px;
      min-height: calc(100vh - var(--nav-height));
    }

    .contact-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
      gap: 48px;
      align-items: start;
    }

    .contact-left {
      display: flex;
      flex-direction: column;
      gap: 32px;
    }

    .contact-title {
      font-size: clamp(2rem, 3vw + 1rem, 2.8rem);
      line-height: 1.15;
      font-weight: 650;
      letter-spacing: 0.02em;
      margin-bottom: 12px;
      background: linear-gradient(120deg, #f9fbff, #e1f8ff, #c4c4ff);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      text-shadow: 0 0 18px rgba(61, 214, 255, 0.18);
    }

    .contact-subtitle {
      font-size: 0.98rem;
      color: var(--text-muted);
      line-height: 1.6;
      max-width: 540px;
    }

    .engagement-models {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .engagement-item {
      padding: 18px 20px;
      border-radius: 12px;
      background: radial-gradient(circle at 0 0, rgba(61, 214, 255, 0.12) 0, transparent 56%),
                  linear-gradient(145deg, rgba(10, 13, 27, 0.96), rgba(4, 6, 16, 0.96));
      border: 1px solid rgba(58, 72, 116, 0.8);
      transition: border-color 0.18s ease-out, transform 0.18s ease-out;
    }

    .engagement-item:hover {
      border-color: rgba(102, 207, 255, 0.8);
      transform: translateX(4px);
    }

    .engagement-title {
      font-size: 1rem;
      font-weight: 550;
      margin-bottom: 6px;
      color: #f7f8ff;
    }

    .engagement-body {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    .contact-ready {
      padding: 24px 26px;
      border-radius: 14px;
      background: radial-gradient(circle at 0 0, rgba(143, 124, 255, 0.2) 0, transparent 60%),
                  rgba(6, 8, 18, 0.8);
      border: 1px solid rgba(143, 124, 255, 0.4);
    }

    .ready-title {
      font-size: 1.08rem;
      font-weight: 550;
      margin-bottom: 8px;
      color: #f7f8ff;
    }

    .ready-body {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    .contact-right {
      position: sticky;
      top: calc(var(--nav-height) + 32px);
    }

    .contact-card {
      padding: 28px 30px 32px;
      border-radius: 18px;
      background: radial-gradient(circle at 0 0, rgba(61, 214, 255, 0.16) 0, transparent 56%),
                  radial-gradient(circle at 100% 100%, rgba(143, 124, 255, 0.2) 0, transparent 60%),
                  linear-gradient(145deg, rgba(10, 13, 27, 0.98), rgba(4, 6, 16, 0.98));
      border: 1px solid rgba(58, 72, 116, 0.9);
      box-shadow: 0 26px 60px rgba(0, 0, 0, 0.8);
    }

    .contact-method {
      margin-bottom: 36px;
      padding-bottom: 32px;
      border-bottom: 1px solid rgba(58, 72, 116, 0.6);
    }

    .contact-label {
      font-size: 0.78rem;
      text-transform: uppercase;
      letter-spacing: 0.18em;
      color: var(--accent);
      margin-bottom: 14px;
    }

    .contact-email {
      display: block;
      font-size: 1.32rem;
      font-weight: 550;
      color: #f9fbff;
      margin-bottom: 14px;
      word-break: break-all;
      transition: color 0.18s ease-out;
    }

    .contact-email:hover {
      color: var(--accent);
    }

    .btn-copy {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 18px;
      border-radius: 999px;
      font-size: 0.82rem;
      font-weight: 500;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      background: rgba(61, 214, 255, 0.12);
      color: var(--accent);
      border: 1px solid rgba(61, 214, 255, 0.3);
      cursor: pointer;
      transition: all 0.18s ease-out;
      margin-bottom: 16px;
    }

    .btn-copy:hover {
      background: rgba(61, 214, 255, 0.2);
      border-color: rgba(61, 214, 255, 0.5);
      transform: translateY(-1px);
    }

    .btn-copy .copy-success {
      display: none;
    }

    .btn-copy.copied .copy-text {
      display: none;
    }

    .btn-copy.copied .copy-success {
      display: inline;
    }

    .contact-expectation {
      font-size: 0.84rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    .location-label {
      font-size: 0.78rem;
      text-transform: uppercase;
      letter-spacing: 0.18em;
      color: var(--text-muted);
      margin-bottom: 18px;
    }

    .location-item {
      margin-bottom: 22px;
    }

    .location-item:last-child {
      margin-bottom: 0;
    }

    .location-title {
      font-size: 0.86rem;
      font-weight: 550;
      color: #f7f8ff;
      margin-bottom: 6px;
    }

    .location-details {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    @media (max-width: 960px) {
      .contact-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 40px;
      }

      .contact-right {
        position: relative;
        top: auto;
      }
    }

    @media (max-width: 640px) {
      .contact-hero {
        padding-top: 40px;
        padding-bottom: 60px;
      }

      .contact-left {
        gap: 24px;
      }

      .contact-card {
        padding: 24px 22px 26px;
      }
    }

    /* Research page */
    .research-hero {
      min-height: calc(100vh - var(--nav-height));
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 80px 0;
      position: relative;
      overflow: hidden;
    }

    .research-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 50% 30%, rgba(61, 214, 255, 0.08) 0, transparent 45%),
        radial-gradient(circle at 50% 60%, rgba(143, 124, 255, 0.12) 0, transparent 50%);
      opacity: 0.6;
      pointer-events: none;
    }

    .research-content {
      position: relative;
      z-index: 1;
      text-align: center;
      max-width: 680px;
      margin: 0 auto;
    }

    .research-title {
      font-size: clamp(2.2rem, 3.2vw + 1rem, 3rem);
      line-height: 1.15;
      font-weight: 650;
      letter-spacing: 0.02em;
      margin-bottom: 18px;
      background: linear-gradient(120deg, #f9fbff, #e1f8ff, #c4c4ff);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      text-shadow: 0 0 18px rgba(61, 214, 255, 0.18);
    }

    .research-subtitle {
      font-size: 1.04rem;
      color: var(--text-muted);
      margin-bottom: 26px;
      line-height: 1.6;
    }

    .research-body {
      font-size: 0.94rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 32px;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
    }

    .research-notify {
      display: inline-flex;
      flex-direction: column;
      gap: 12px;
      align-items: center;
    }

    .research-notify-label {
      font-size: 0.88rem;
      color: var(--accent);
      font-style: italic;
    }

    .research-form {
      display: flex;
      gap: 10px;
      align-items: center;
      flex-wrap: wrap;
      justify-content: center;
    }

    .research-input {
      padding: 11px 18px;
      border-radius: 999px;
      font-size: 0.88rem;
      background: rgba(10, 13, 27, 0.96);
      border: 1px solid rgba(58, 72, 116, 0.8);
      color: var(--text-main);
      outline: none;
      transition: border-color 0.18s ease-out, background 0.18s ease-out;
      min-width: 280px;
    }

    .research-input::placeholder {
      color: rgba(164, 167, 194, 0.6);
    }

    .research-input:focus {
      border-color: var(--accent);
      background: rgba(10, 13, 27, 1);
    }

    @media (max-width: 640px) {
      .research-hero {
        padding: 60px 0;
      }

      .research-form {
        flex-direction: column;
        width: 100%;
      }

      .research-input {
        width: 100%;
        min-width: 0;
      }

      .research-form .btn-primary {
        width: 100%;
      }
    }

    /* Platform step animations */
    .step-animation {
      width: 100%;
      height: 100px;
      background: #0d1018;
      border-radius: 10px;
      position: relative;
      overflow: hidden;
      margin-bottom: 16px;
      border: 1px solid rgba(58, 72, 116, 0.4);
      box-shadow: inset 0 0 20px rgba(0,0,0,0.4);
      transition: border-color 0.3s ease, box-shadow 0.3s ease;
    }

    .route-card:hover .step-animation {
      border-color: rgba(61, 214, 255, 0.3);
      box-shadow: inset 0 0 20px rgba(0,0,0,0.4), 0 0 12px rgba(61, 214, 255, 0.08);
    }

    /* INGEST animation */
    .step-animation.ingest {
      --stream-speed: 2s;
      --stream-fast-speed: 1.5s;
    }

    .route-card:hover .step-animation.ingest {
      --stream-speed: 0.6s;
      --stream-fast-speed: 0.4s;
    }

    .ingest-particle {
      position: absolute;
      width: 4px;
      height: 2px;
      background: var(--accent);
      border-radius: 2px;
      opacity: 0;
      left: -10px;
      box-shadow: 0 0 4px var(--accent);
    }

    .ingest-particle:nth-child(1) { top: 20%; animation: stream var(--stream-speed) infinite linear 0s; }
    .ingest-particle:nth-child(2) { top: 35%; animation: stream var(--stream-speed) infinite linear 0.3s; }
    .ingest-particle:nth-child(3) { top: 50%; animation: stream var(--stream-speed) infinite linear 0.6s; }
    .ingest-particle:nth-child(4) { top: 65%; animation: stream var(--stream-speed) infinite linear 0.9s; }
    .ingest-particle:nth-child(5) { top: 80%; animation: stream var(--stream-speed) infinite linear 1.2s; }
    .ingest-particle:nth-child(6) { top: 25%; height: 1px; width: 2px; animation: stream-fast var(--stream-fast-speed) infinite linear 0.1s; }
    .ingest-particle:nth-child(7) { top: 70%; height: 1px; width: 2px; animation: stream-fast var(--stream-fast-speed) infinite linear 0.4s; }

    @keyframes stream {
      0% { left: -10px; opacity: 0; width: 4px; }
      10% { opacity: 1; }
      70% { width: 30px; }
      100% { left: 100%; width: 4px; opacity: 0; }
    }

    @keyframes stream-fast {
      0% { left: -10px; opacity: 0; }
      20% { opacity: 0.5; }
      100% { left: 100%; opacity: 0; }
    }

    /* ANALYZE animation */
    .step-animation.analyze {
      --pulse-speed: 3s;
      --synapse-speed: 3s;
    }

    .route-card:hover .step-animation.analyze {
      --pulse-speed: 0.8s;
      --synapse-speed: 0.8s;
    }

    .neural-node {
      position: absolute;
      width: 6px;
      height: 6px;
      background: var(--accent-secondary);
      border-radius: 50%;
      animation: pulse var(--pulse-speed) infinite ease-in-out;
      z-index: 2;
    }

    .neural-node.n1 { top: 20%; left: 20%; animation-delay: 0s; }
    .neural-node.n2 { top: 80%; left: 20%; animation-delay: calc(var(--pulse-speed) * 0.5); }
    .neural-node.n3 { top: 50%; left: 50%; width: 10px; height: 10px; background: #fff; box-shadow: 0 0 10px var(--accent-secondary); animation-delay: calc(var(--pulse-speed) * 0.17); z-index: 3; }
    .neural-node.n4 { top: 20%; left: 80%; animation-delay: calc(var(--pulse-speed) * 0.33); }
    .neural-node.n5 { top: 80%; left: 80%; animation-delay: calc(var(--pulse-speed) * 0.67); }

    .synapse {
      position: absolute;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--accent-secondary), transparent);
      transform-origin: left center;
      opacity: 0.4;
      width: 0;
      animation: fire-synapse var(--synapse-speed) infinite ease-in-out;
    }

    .synapse.s1 { top: 23%; left: 22%; width: 85px; transform: rotate(20deg); animation-delay: 0s; }
    .synapse.s2 { top: 82%; left: 22%; width: 85px; transform: rotate(-20deg); animation-delay: calc(var(--synapse-speed) * 0.5); }
    .synapse.s3 { top: 54%; left: 53%; width: 85px; transform: rotate(-20deg); animation-delay: calc(var(--synapse-speed) * 0.17); }
    .synapse.s4 { top: 54%; left: 53%; width: 85px; transform: rotate(20deg); animation-delay: calc(var(--synapse-speed) * 0.17); }

    @keyframes pulse {
      0%, 100% { transform: scale(1); box-shadow: 0 0 0 rgba(143, 124, 255, 0); }
      50% { transform: scale(1.5); box-shadow: 0 0 10px rgba(143, 124, 255, 0.8); }
    }

    @keyframes fire-synapse {
      0% { opacity: 0; width: 0; }
      20% { opacity: 1; width: 85px; }
      100% { opacity: 0; width: 85px; }
    }

    /* DECIDE animation */
    .step-animation.decide {
      --fluctuate-speed: 4s;
      --select-speed: 4s;
    }

    .route-card:hover .step-animation.decide {
      --fluctuate-speed: 1s;
      --select-speed: 1s;
    }

    .rank-bar {
      position: absolute;
      bottom: 0;
      width: 20px;
      background: #233554;
      border-radius: 4px 4px 0 0;
      transform-origin: bottom center;
      animation: fluctuate var(--fluctuate-speed) infinite ease-in-out;
    }

    .rank-bar.r1 { left: 20%; height: 40px; animation-delay: 0s; }
    .rank-bar.r2 { left: 35%; height: 60px; animation-delay: calc(var(--fluctuate-speed) * 0.25); }
    .rank-bar.r3 { left: 50%; height: 30px; animation-delay: calc(var(--fluctuate-speed) * 0.5); }
    .rank-bar.r4 { left: 65%; height: 50px; animation-delay: calc(var(--fluctuate-speed) * 0.125); }

    .selection-highlight {
      position: absolute;
      left: 35%;
      bottom: 0;
      width: 24px;
      height: 60px;
      border: 1px solid #ffcc00;
      box-shadow: 0 0 10px rgba(255, 204, 0, 0.2);
      border-radius: 4px;
      opacity: 0;
      transform: translateX(-2px);
      animation: select-winner var(--select-speed) infinite ease-in-out calc(var(--select-speed) * 0.25);
    }

    .check-mark {
      position: absolute;
      top: 8px;
      left: 35%;
      color: #ffcc00;
      font-size: 16px;
      opacity: 0;
      transform: translateX(2px) translateY(10px);
      animation: show-check var(--select-speed) infinite ease-in-out calc(var(--select-speed) * 0.25);
    }

    @keyframes fluctuate {
      0%, 100% { transform: scaleY(1); }
      50% { transform: scaleY(0.8); }
    }

    @keyframes select-winner {
      0% { height: 0; opacity: 0; }
      20% { height: 75px; opacity: 1; border-color: #ffcc00; background: rgba(255, 204, 0, 0.1); }
      80% { height: 75px; opacity: 1; border-color: #ffcc00; background: rgba(255, 204, 0, 0.1); }
      100% { height: 0; opacity: 0; }
    }

    @keyframes show-check {
      0%, 20% { opacity: 0; transform: translateX(2px) translateY(10px); }
      30% { opacity: 1; transform: translateX(2px) translateY(0); }
      80% { opacity: 1; transform: translateX(2px) translateY(0); }
      100% { opacity: 0; transform: translateX(2px) translateY(-10px); }
    }

    /* Reduced motion accessibility */
    @media (prefers-reduced-motion: reduce) {
      .ingest-particle,
      .neural-node,
      .synapse,
      .rank-bar,
      .selection-highlight,
      .check-mark {
        animation: none;
      }

      .ingest-particle {
        opacity: 0.6;
        left: 50%;
      }

      .neural-node {
        box-shadow: 0 0 6px rgba(143, 124, 255, 0.6);
      }

      .synapse {
        opacity: 0.3;
        width: 85px;
      }

      .rank-bar {
        transform: scaleY(1);
      }

      .selection-highlight {
        opacity: 1;
        height: 75px;
        background: rgba(255, 204, 0, 0.1);
      }

      .check-mark {
        opacity: 1;
        transform: translateX(2px) translateY(0);
      }
    }

    /* News page */
    .news-hero {
      min-height: calc(100vh - var(--nav-height));
      display: flex;
      align-items: center;
      padding: 80px 0;
    }

    .news-content {
      max-width: 740px;
    }

    .news-title {
      font-size: 1.6rem;
      margin-bottom: 12px;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      color: #f0f2ff;
    }

    .news-status {
      margin-bottom: 32px;
    }

    .news-status-label {
      font-size: 0.92rem;
      font-weight: 550;
      color: var(--accent);
      margin-bottom: 14px;
    }

    .news-status-body {
      font-size: 0.96rem;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 18px;
    }

    .news-tease {
      padding: 20px 24px;
      border-radius: 12px;
      background: radial-gradient(circle at 0 0, rgba(143, 124, 255, 0.16) 0, transparent 60%),
                  rgba(6, 8, 18, 0.8);
      border: 1px solid rgba(143, 124, 255, 0.4);
      margin-top: 24px;
    }

    .news-tease-text {
      font-size: 0.92rem;
      color: var(--text-muted);
      font-style: italic;
      line-height: 1.6;
    }

    .news-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 56px;
      height: 56px;
      border-radius: 12px;
      background: radial-gradient(circle at 0 0, rgba(61, 214, 255, 0.2) 0, transparent 60%),
                  rgba(10, 13, 27, 0.8);
      border: 1px solid rgba(61, 214, 255, 0.4);
      margin-bottom: 24px;
    }

    .news-icon svg {
      width: 28px;
      height: 28px;
      stroke: var(--accent);
      fill: none;
      stroke-width: 2;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    @media (max-width: 640px) {
      .news-hero {
        padding: 60px 0;
      }

      .news-tease {
        padding: 16px 18px;
      }
    }