:root {
      --bg-primary: #030305;
      --bg-secondary: #080a10;
      --bg-tertiary: #0d111a;
      --surface: rgba(13, 17, 26, 0.72);
      --surface-strong: rgba(20, 26, 38, 0.86);
      --accent-cyan: #00f0ff;
      --accent-blue: #0066ff;
      --accent-purple: #7c3aed;
      --accent-pink: #ff2a6d;
      --text-primary: #f0f4ff;
      --text-secondary: #9aa4bf;
      --text-muted: #5a6680;
      --grid-line: rgba(0, 240, 255, 0.08);
      --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.45), 0 0 60px rgba(0, 240, 255, 0.15);
      --glow-blue: 0 0 30px rgba(0, 102, 255, 0.4);
      --glow-purple: 0 0 30px rgba(124, 58, 237, 0.35);
      --border-subtle: rgba(0, 240, 255, 0.12);
      --border-glow: rgba(0, 240, 255, 0.35);
      --radius-sm: 6px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
      --font-display: 'Orbitron', sans-serif;
      --font-body: 'Rajdhani', sans-serif;
      --font-mono: 'Share Tech Mono', monospace;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-body);
      background: var(--bg-primary);
      color: var(--text-primary);
      line-height: 1.6;
      overflow-x: hidden;
      min-height: 100vh;
    }

    ::selection {
      background: var(--accent-cyan);
      color: var(--bg-primary);
    }

    /* 背景网格与扫描线 */
    .global-bg {
      position: fixed;
      inset: 0;
      z-index: -10;
      background:
        linear-gradient(rgba(3, 3, 5, 0.92), rgba(3, 3, 5, 0.92)),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px),
        linear-gradient(var(--grid-line) 1px, transparent 1px);
      background-size: 100% 100%, 60px 60px, 60px 60px;
      pointer-events: none;
    }

    .global-bg::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at 20% 30%, rgba(0, 102, 255, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(124, 58, 237, 0.1) 0%, transparent 50%);
      animation: bgPulse 12s ease-in-out infinite alternate;
    }

    .scanlines {
      position: fixed;
      inset: 0;
      z-index: -9;
      background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.08) 0px,
        rgba(0, 0, 0, 0.08) 1px,
        transparent 1px,
        transparent 3px
      );
      pointer-events: none;
      opacity: 0.35;
    }

    @keyframes bgPulse {
      0% { opacity: 0.6; transform: scale(1); }
      100% { opacity: 1; transform: scale(1.05); }
    }

    /* 导航 */
    .navbar {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 1.2rem 4vw;
      background: rgba(3, 3, 5, 0.65);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--border-subtle);
      transition: var(--transition-base);
    }

    .navbar.scrolled {
      background: rgba(3, 3, 5, 0.88);
      padding: 0.8rem 4vw;
      border-bottom-color: var(--border-glow);
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      text-decoration: none;
      color: var(--text-primary);
    }

    .logo-icon {
      width: 38px;
      height: 38px;
      border: 2px solid var(--accent-cyan);
      transform: rotate(45deg);
      position: relative;
      box-shadow: var(--glow-cyan);
    }

    .logo-icon::after {
      content: '';
      position: absolute;
      inset: 6px;
      background: var(--accent-cyan);
      clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    }

    .logo-text {
      font-family: var(--font-display);
      font-weight: 900;
      font-size: 1.4rem;
      letter-spacing: 2px;
      text-transform: uppercase;
    }

    .logo-text span {
      color: var(--accent-cyan);
      text-shadow: 0 0 12px rgba(0, 240, 255, 0.6);
    }

    .nav-links {
      display: flex;
      gap: 2.5rem;
      list-style: none;
    }

    .nav-links a {
      position: relative;
      color: var(--text-secondary);
      text-decoration: none;
      font-family: var(--font-mono);
      font-size: 0.9rem;
      letter-spacing: 1px;
      text-transform: uppercase;
      transition: var(--transition-base);
      padding: 0.3rem 0;
    }

    .nav-links a::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 1px;
      background: var(--accent-cyan);
      box-shadow: var(--glow-cyan);
      transition: var(--transition-base);
    }

    .nav-links a:hover {
      color: var(--accent-cyan);
      text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
    }

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

    .nav-cta {
      padding: 0.65rem 1.5rem;
      border: 1px solid var(--accent-cyan);
      background: rgba(0, 240, 255, 0.08);
      color: var(--accent-cyan);
      font-family: var(--font-mono);
      font-size: 0.85rem;
      letter-spacing: 1px;
      text-transform: uppercase;
      cursor: pointer;
      transition: var(--transition-base);
      position: relative;
      overflow: hidden;
    }

    .nav-cta::before {
      content: '';
      position: absolute;
      top: 0;
      left: -100%;
      width: 100%;
      height: 100%;
      background: linear-gradient(90deg, transparent, rgba(0, 240, 255, 0.25), transparent);
      transition: var(--transition-base);
    }

    .nav-cta:hover {
      background: rgba(0, 240, 255, 0.18);
      box-shadow: var(--glow-cyan);
    }

    .nav-cta:hover::before {
      left: 100%;
    }

    .menu-toggle {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      background: none;
      border: none;
      padding: 0.5rem;
    }

    .menu-toggle span {
      display: block;
      width: 28px;
      height: 2px;
      background: var(--accent-cyan);
      transition: var(--transition-base);
    }

    /* Hero */
    .hero {
      position: relative;
      min-height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 8rem 4vw 5rem;
      overflow: hidden;
    }

    #particle-canvas {
      position: absolute;
      inset: 0;
      z-index: -1;
      opacity: 0.7;
    }

    .hero-grid {
      position: absolute;
      inset: 0;
      z-index: -2;
      background:
        linear-gradient(180deg, transparent 0%, rgba(0, 240, 255, 0.03) 50%, transparent 100%),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px),
        linear-gradient(var(--grid-line) 1px, transparent 1px);
      background-size: 100% 100%, 80px 80px, 80px 80px;
      transform: perspective(1000px) rotateX(60deg) translateY(-20%) scale(2);
      transform-origin: center top;
      animation: gridMove 20s linear infinite;
    }

    @keyframes gridMove {
      0% { transform: perspective(1000px) rotateX(60deg) translateY(0) scale(2); }
      100% { transform: perspective(1000px) rotateX(60deg) translateY(80px) scale(2); }
    }

    .hero-content {
      max-width: 1100px;
      text-align: center;
      z-index: 1;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      padding: 0.5rem 1rem;
      border: 1px solid var(--border-glow);
      background: rgba(0, 240, 255, 0.06);
      border-radius: 100px;
      font-family: var(--font-mono);
      font-size: 0.8rem;
      color: var(--accent-cyan);
      letter-spacing: 1px;
      margin-bottom: 2rem;
      opacity: 0;
      transform: translateY(20px);
      animation: fadeUp 0.8s var(--transition-slow) forwards;
      animation-delay: 0.2s;
    }

    .hero-badge::before {
      content: '';
      width: 8px;
      height: 8px;
      background: var(--accent-cyan);
      border-radius: 50%;
      box-shadow: 0 0 10px var(--accent-cyan);
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.4; }
    }

    .hero-title {
      font-family: var(--font-display);
      font-size: clamp(2.8rem, 8vw, 6rem);
      font-weight: 900;
      line-height: 1.05;
      letter-spacing: 2px;
      text-transform: uppercase;
      margin-bottom: 1.5rem;
      opacity: 0;
      transform: translateY(30px);
      animation: fadeUp 1s var(--transition-slow) forwards;
      animation-delay: 0.4s;
    }

    .hero-title .highlight {
      color: var(--accent-cyan);
      text-shadow: var(--glow-cyan);
      position: relative;
      display: inline-block;
    }

    .hero-title .highlight::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
      box-shadow: var(--glow-cyan);
    }

    .hero-subtitle {
      font-size: clamp(1.1rem, 2.2vw, 1.5rem);
      color: var(--text-secondary);
      max-width: 700px;
      margin: 0 auto 3rem;
      font-weight: 300;
      letter-spacing: 0.5px;
      opacity: 0;
      transform: translateY(20px);
      animation: fadeUp 1s var(--transition-slow) forwards;
      animation-delay: 0.6s;
    }

    .hero-actions {
      display: flex;
      gap: 1.2rem;
      justify-content: center;
      flex-wrap: wrap;
      opacity: 0;
      transform: translateY(20px);
      animation: fadeUp 1s var(--transition-slow) forwards;
      animation-delay: 0.8s;
    }

    .btn {
      position: relative;
      display: inline-flex;
      align-items: center;
      gap: 0.6rem;
      padding: 1rem 2rem;
      font-family: var(--font-mono);
      font-size: 0.9rem;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      text-decoration: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      overflow: hidden;
      transition: var(--transition-base);
      border: none;
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
      color: var(--bg-primary);
      font-weight: 700;
      box-shadow: var(--glow-cyan);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 40px rgba(0, 240, 255, 0.6);
    }

    .btn-secondary {
      background: transparent;
      color: var(--accent-cyan);
      border: 1px solid var(--accent-cyan);
    }

    .btn-secondary:hover {
      background: rgba(0, 240, 255, 0.12);
      box-shadow: var(--glow-cyan);
    }

    .hero-stats {
      display: flex;
      justify-content: center;
      gap: 4rem;
      margin-top: 5rem;
      flex-wrap: wrap;
      opacity: 0;
      animation: fadeUp 1s var(--transition-slow) forwards;
      animation-delay: 1s;
    }

    .hero-stat {
      text-align: center;
    }

    .hero-stat-value {
      font-family: var(--font-display);
      font-size: clamp(1.8rem, 4vw, 2.8rem);
      font-weight: 700;
      color: var(--accent-cyan);
      text-shadow: var(--glow-cyan);
    }

    .hero-stat-label {
      font-family: var(--font-mono);
      font-size: 0.8rem;
      color: var(--text-muted);
      letter-spacing: 1px;
      text-transform: uppercase;
      margin-top: 0.3rem;
    }

    @keyframes fadeUp {
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    /* Section common */
    section {
      padding: 7rem 4vw;
      position: relative;
    }

    .section-header {
      max-width: 800px;
      margin: 0 auto 4rem;
      text-align: center;
    }

    .section-label {
      font-family: var(--font-mono);
      font-size: 0.8rem;
      color: var(--accent-cyan);
      letter-spacing: 3px;
      text-transform: uppercase;
      margin-bottom: 1rem;
      display: inline-block;
      position: relative;
    }

    .section-label::before,
    .section-label::after {
      content: '//';
      color: var(--text-muted);
      margin: 0 0.6rem;
    }

    .section-title {
      font-family: var(--font-display);
      font-size: clamp(2rem, 4.5vw, 3.2rem);
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      margin-bottom: 1rem;
    }

    .section-title span {
      color: var(--accent-cyan);
      text-shadow: var(--glow-cyan);
    }

    .section-desc {
      color: var(--text-secondary);
      font-size: 1.1rem;
      font-weight: 300;
    }

    /* Capabilities */
    .capabilities {
      background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    }

    .capability-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 1.8rem;
      max-width: 1300px;
      margin: 0 auto;
    }

    .capability-card {
      position: relative;
      padding: 2.2rem;
      background: var(--surface);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      backdrop-filter: blur(12px);
      transition: var(--transition-base);
      overflow: hidden;
    }

    .capability-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
      opacity: 0;
      transition: var(--transition-base);
    }

    .capability-card:hover {
      border-color: var(--border-glow);
      transform: translateY(-6px);
      box-shadow: var(--glow-cyan), 0 20px 50px rgba(0, 0, 0, 0.4);
    }

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

    .capability-icon {
      width: 56px;
      height: 56px;
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1.5rem;
      background: rgba(0, 240, 255, 0.05);
      transition: var(--transition-base);
    }

    .capability-card:hover .capability-icon {
      box-shadow: var(--glow-cyan);
      transform: scale(1.05);
    }

    .capability-icon svg {
      width: 28px;
      height: 28px;
      stroke: var(--accent-cyan);
    }

    .capability-title {
      font-family: var(--font-display);
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 0.8rem;
      letter-spacing: 1px;
    }

    .capability-text {
      color: var(--text-secondary);
      font-size: 0.95rem;
      line-height: 1.7;
    }

    .capability-index {
      position: absolute;
      top: 1.5rem;
      right: 1.5rem;
      font-family: var(--font-mono);
      font-size: 0.75rem;
      color: var(--text-muted);
      letter-spacing: 1px;
    }

    /* Data Stream / Stats */
    .data-stream {
      background: var(--bg-secondary);
      overflow: hidden;
    }

    .data-stream-bg {
      position: absolute;
      inset: 0;
      background:
        linear-gradient(90deg, transparent 0%, rgba(0, 102, 255, 0.04) 50%, transparent 100%);
      animation: dataFlow 8s linear infinite;
    }

    @keyframes dataFlow {
      0% { transform: translateX(-100%); }
      100% { transform: translateX(100%); }
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.5rem;
      max-width: 1200px;
      margin: 0 auto;
      position: relative;
      z-index: 1;
    }

    .stat-card {
      position: relative;
      padding: 2rem 1.5rem;
      text-align: center;
      background: var(--surface-strong);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-md);
      backdrop-filter: blur(10px);
      transition: var(--transition-base);
    }

    .stat-card::after {
      content: '';
      position: absolute;
      inset: -1px;
      border-radius: var(--radius-md);
      padding: 1px;
      background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
      -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
      -webkit-mask-composite: xor;
      mask-composite: exclude;
      opacity: 0;
      transition: var(--transition-base);
    }

    .stat-card:hover::after {
      opacity: 1;
    }

    .stat-card:hover {
      transform: translateY(-4px);
    }

    .stat-number {
      font-family: var(--font-display);
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 900;
      background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      line-height: 1;
      margin-bottom: 0.6rem;
    }

    .stat-label {
      font-family: var(--font-mono);
      font-size: 0.8rem;
      color: var(--text-secondary);
      letter-spacing: 1px;
      text-transform: uppercase;
    }

    /* Products */
    .products {
      background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    }

    .product-showcase {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 4rem;
      max-width: 1300px;
      margin: 0 auto;
      align-items: center;
    }

    .product-visual {
      position: relative;
      aspect-ratio: 4/3;
      border-radius: var(--radius-lg);
      background: var(--surface);
      border: 1px solid var(--border-subtle);
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .product-visual::before {
      content: '';
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 30% 30%, rgba(0, 240, 255, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 70% 70%, rgba(124, 58, 237, 0.15) 0%, transparent 40%);
    }

    .holo-ring {
      position: absolute;
      width: 200px;
      height: 200px;
      border: 2px solid var(--accent-cyan);
      border-radius: 50%;
      opacity: 0.3;
      animation: hologramRotate 8s linear infinite;
    }

    .holo-ring:nth-child(2) {
      width: 280px;
      height: 280px;
      border-color: var(--accent-purple);
      animation-duration: 12s;
      animation-direction: reverse;
    }

    .holo-ring:nth-child(3) {
      width: 360px;
      height: 360px;
      border-color: var(--accent-blue);
      animation-duration: 16s;
    }

    @keyframes hologramRotate {
      0% { transform: rotateX(60deg) rotateZ(0deg); }
      100% { transform: rotateX(60deg) rotateZ(360deg); }
    }

    .holo-core {
      width: 80px;
      height: 80px;
      background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 70%);
      border-radius: 50%;
      box-shadow: var(--glow-cyan);
      animation: corePulse 3s ease-in-out infinite;
      position: relative;
      z-index: 1;
    }

    @keyframes corePulse {
      0%, 100% { transform: scale(1); opacity: 0.8; }
      50% { transform: scale(1.2); opacity: 1; }
    }

    .product-list {
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }

    .product-item {
      padding: 1.8rem;
      background: var(--surface);
      border: 1px solid var(--border-subtle);
      border-left: 3px solid var(--accent-cyan);
      border-radius: 0 var(--radius-md) var(--radius-md) 0;
      transition: var(--transition-base);
      cursor: pointer;
    }

    .product-item:hover {
      background: var(--surface-strong);
      border-color: var(--border-glow);
      transform: translateX(8px);
      box-shadow: -10px 0 30px rgba(0, 240, 255, 0.15);
    }

    .product-item.active {
      border-color: var(--accent-cyan);
      background: var(--surface-strong);
      box-shadow: var(--glow-cyan);
    }

    .product-item-title {
      font-family: var(--font-display);
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
      letter-spacing: 1px;
    }

    .product-item-desc {
      color: var(--text-secondary);
      font-size: 0.92rem;
      line-height: 1.6;
    }

    /* CTA */
    .cta {
      background: var(--bg-tertiary);
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .cta::before {
      content: '';
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 50% 50%, rgba(0, 240, 255, 0.1) 0%, transparent 60%);
      animation: ctaGlow 6s ease-in-out infinite alternate;
    }

    @keyframes ctaGlow {
      0% { opacity: 0.5; transform: scale(1); }
      100% { opacity: 1; transform: scale(1.1); }
    }

    .cta-content {
      position: relative;
      z-index: 1;
      max-width: 800px;
      margin: 0 auto;
    }

    .cta-title {
      font-family: var(--font-display);
      font-size: clamp(2rem, 5vw, 3.5rem);
      font-weight: 900;
      letter-spacing: 1px;
      text-transform: uppercase;
      margin-bottom: 1.5rem;
    }

    .cta-title span {
      color: var(--accent-cyan);
      text-shadow: var(--glow-cyan);
    }

    .cta-desc {
      color: var(--text-secondary);
      font-size: 1.1rem;
      margin-bottom: 2.5rem;
    }

    .cta-form {
      display: flex;
      gap: 1rem;
      justify-content: center;
      flex-wrap: wrap;
      max-width: 560px;
      margin: 0 auto;
    }

    .cta-input {
      flex: 1;
      min-width: 260px;
      padding: 1rem 1.4rem;
      background: rgba(0, 0, 0, 0.3);
      border: 1px solid var(--border-subtle);
      border-radius: var(--radius-sm);
      color: var(--text-primary);
      font-family: var(--font-body);
      font-size: 1rem;
      outline: none;
      transition: var(--transition-base);
    }

    .cta-input:focus {
      border-color: var(--accent-cyan);
      box-shadow: var(--glow-cyan);
    }

    .cta-input::placeholder {
      color: var(--text-muted);
    }

    /* Footer */
    .footer {
      padding: 4rem 4vw 2rem;
      background: var(--bg-primary);
      border-top: 1px solid var(--border-subtle);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr repeat(3, 1fr);
      gap: 3rem;
      max-width: 1300px;
      margin: 0 auto 3rem;
    }

    .footer-brand .logo-text {
      margin-bottom: 1rem;
      display: inline-block;
    }

    .footer-brand p {
      color: var(--text-secondary);
      font-size: 0.95rem;
      line-height: 1.7;
      max-width: 320px;
    }

    .footer-title {
      font-family: var(--font-mono);
      font-size: 0.85rem;
      color: var(--accent-cyan);
      letter-spacing: 2px;
      text-transform: uppercase;
      margin-bottom: 1.2rem;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 0.7rem;
    }

    .footer-links a {
      color: var(--text-secondary);
      text-decoration: none;
      font-size: 0.95rem;
      transition: var(--transition-base);
      display: inline-block;
    }

    .footer-links a:hover {
      color: var(--accent-cyan);
      transform: translateX(4px);
    }

    .footer-bottom {
      max-width: 1300px;
      margin: 0 auto;
      padding-top: 2rem;
      border-top: 1px solid var(--border-subtle);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 1rem;
    }

    .footer-copyright {
      color: var(--text-muted);
      font-family: var(--font-mono);
      font-size: 0.8rem;
      letter-spacing: 1px;
    }

    .footer-social {
      display: flex;
      gap: 1rem;
    }

    .social-link {
      width: 40px;
      height: 40px;
      border: 1px solid var(--border-subtle);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-secondary);
      text-decoration: none;
      transition: var(--transition-base);
    }

    .social-link:hover {
      border-color: var(--accent-cyan);
      color: var(--accent-cyan);
      box-shadow: var(--glow-cyan);
      transform: translateY(-3px);
    }

    /* Reveal on scroll */
    .reveal {
      opacity: 0;
      transform: translateY(40px);
      transition: opacity 0.8s var(--transition-slow), transform 0.8s var(--transition-slow);
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .product-showcase {
        grid-template-columns: 1fr;
      }
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 768px) {
      .nav-links {
        display: none;
      }
      .nav-cta {
        display: none;
      }
      .menu-toggle {
        display: flex;
      }
      .hero-stats {
        gap: 2rem;
      }
      .stats-grid {
        grid-template-columns: 1fr 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }

    @media (max-width: 480px) {
      section {
        padding: 5rem 4vw;
      }
      .capability-grid {
        grid-template-columns: 1fr;
      }
      .stats-grid {
        grid-template-columns: 1fr;
      }
      .hero-actions {
        flex-direction: column;
        width: 100%;
      }
      .btn {
        width: 100%;
        justify-content: center;
      }
    }
  

/* ============================================================
   Glue — revelação ao rolar, menu mobile genérico, páginas internas
   ============================================================ */
:root {
  --p-acc: #00f0ff;
  --p-onacc: #06232a;
  --p-bg: #050508;
  --p-surface: #0d1117;
  --p-ink: #e6f1ff;
  --p-muted: #8aa0b3;
  --p-display: 'Orbitron',sans-serif;
  --p-body: 'Rajdhani',system-ui,sans-serif;
}

[data-reveal] { opacity: 0; transform: translateY(26px); transition: opacity .7s cubic-bezier(.25,.46,.45,.94), transform .7s cubic-bezier(.25,.46,.45,.94); }
[data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal="1"] { transition-delay: .08s; }
[data-reveal="2"] { transition-delay: .16s; }
[data-reveal="3"] { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) { [data-reveal] { opacity: 1; transform: none; transition: none; } }

/* hambúrguer -> X (genérico) */
[data-menu-toggle].is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
[data-menu-toggle].is-open span:nth-child(2) { opacity: 0; }
[data-menu-toggle].is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* página interna */
.page-hero { padding: 7rem 1.5rem 3rem; background: linear-gradient(180deg, var(--p-surface), var(--p-bg)); border-bottom: 1px solid rgba(127,127,127,.18); }
.page-hero .crumb { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--p-acc); margin-bottom: 1rem; }
.page-hero h1 { font-family: var(--p-display); font-size: clamp(2rem, 5vw, 3.4rem); line-height: 1.05; color: var(--p-ink); margin: 0 0 1rem; }
.page-hero .lead { font-family: var(--p-body); font-size: clamp(1rem, 2vw, 1.2rem); color: var(--p-muted); max-width: 680px; }
.page-body { font-family: var(--p-body); max-width: 1000px; margin: 0 auto; padding: 2.5rem 1.5rem 5rem; color: var(--p-ink); }
.page-body h2 { font-family: var(--p-display); color: var(--p-ink); border-left: 4px solid var(--p-acc); padding-left: 1rem; margin: 2.75rem 0 1rem; font-size: clamp(1.4rem,3vw,2rem); }
.page-body h2:first-child { margin-top: 0; }
.page-body p { color: var(--p-muted); line-height: 1.8; margin: 0 0 1.1rem; font-size: 1.02rem; }
.page-body ul { color: var(--p-muted); line-height: 1.9; padding-left: 1.25rem; margin: 0 0 1.25rem; }
.page-body a { color: var(--p-acc); }
.page-body .lead-block { font-size: 1.15rem; color: var(--p-ink); }

/* cartões de serviço/produto nas páginas internas */
.pt-item { background: var(--p-surface); border: 1px solid rgba(127,127,127,.2); border-radius: 14px; padding: 1.5rem 1.5rem; margin-bottom: 1.1rem; box-shadow: 0 10px 30px rgba(0,0,0,.05); }
.pt-item h3 { font-family: var(--p-display); color: var(--p-ink); margin: 0 0 .5rem; font-size: 1.25rem; }
.pt-item .pt-num { font-size: .8rem; letter-spacing: .15em; color: var(--p-acc); text-transform: uppercase; }
.pt-item p { margin: 0; }
.pt-price { font-family: var(--p-display); color: var(--p-acc); font-size: 1.3rem; margin-top: .4rem; }
.pt-price .old { color: var(--p-muted); text-decoration: line-through; font-size: .95rem; margin-right: .5rem; }
.pt-badge { display: inline-block; font-size: .75rem; font-weight: 700; padding: .15rem .6rem; border-radius: 999px; background: var(--p-acc); color: var(--p-onacc); margin-left: .5rem; vertical-align: middle; }

/* formulário de contato */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 780px) { .contact-grid { grid-template-columns: 1fr 1.2fr; } }
.contact-info p { margin-bottom: .6rem; }
.contact-form { background: var(--p-surface); border: 1px solid rgba(127,127,127,.2); border-radius: 16px; padding: 1.75rem; box-shadow: 0 14px 40px rgba(0,0,0,.06); }
.contact-form label { display: block; font-size: .85rem; font-weight: 700; color: var(--p-ink); margin: 0 0 .35rem; }
.contact-form .f { margin-bottom: 1.1rem; }
.contact-form input, .contact-form textarea, .contact-form select {
  width: 100%; padding: .8rem .95rem; border: 1px solid rgba(127,127,127,.35); border-radius: 10px;
  background: var(--p-bg); color: var(--p-ink); font-family: var(--p-body); font-size: 1rem; }
.contact-form input:focus, .contact-form textarea:focus, .contact-form select:focus { outline: 2px solid var(--p-acc); border-color: transparent; }
.contact-form textarea { min-height: 130px; resize: vertical; }
.contact-form .consent { display: flex; gap: .6rem; align-items: flex-start; font-size: .85rem; color: var(--p-muted); }
.contact-form .consent input { width: auto; margin-top: .2rem; }
.btn-send { display: inline-block; background: var(--p-acc); color: var(--p-onacc); border: none; border-radius: 999px; padding: .9rem 2rem; font-weight: 700; font-size: 1rem; cursor: pointer; font-family: var(--p-body); }
.btn-send:hover { filter: brightness(1.06); }
[data-form-ok] { display: none; background: var(--p-acc); color: var(--p-onacc); padding: .8rem 1rem; border-radius: 10px; margin-bottom: 1rem; font-weight: 600; }


@media (max-width: 900px) {
  .js-dropdown-nav { position: relative; }
  .js-dropdown-nav [data-menu] {
    display: none !important;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0;
    padding: 1rem 1.5rem; z-index: 999;
    box-shadow: 0 24px 48px rgba(0,0,0,.18);
  }
  .js-dropdown-nav [data-menu].open { display: flex !important; }
  .js-dropdown-nav [data-menu-toggle] { display: flex !important; }
}
@media (min-width: 901px) {
  .js-dropdown-nav [data-menu] { display: flex !important; }
  .js-dropdown-nav [data-menu-toggle] { display: none !important; }
}
.js-dropdown-nav [data-menu] { background: #0d1117; }