* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    font-family: Arial, sans-serif;
    background: #f8fafc;
    color: #0f172a;
    line-height: 1.6;
  }
  
  a {
    text-decoration: none;
    color: inherit;
  }
  
  .container {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
  }
  
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(248, 250, 252, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid #e2e8f0;
  }
  
  .header-inner {
    min-height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }
  
  .logo {
    font-size: 1.3rem;
    font-weight: 700;
    color: #0f172a;
    letter-spacing: 0.3px;
  }
  
  .nav {
    display: flex;
    align-items: center;
    gap: 28px;
  }
  
  .nav a {
    font-size: 0.95rem;
    color: #334155;
    transition: color 0.2s ease;
  }
  
  .nav a:hover {
    color: #2563eb;
  }
  
  .hero {
    padding: 110px 0 90px;
    background:
      radial-gradient(circle at top left, rgba(37, 99, 235, 0.12), transparent 32%),
      radial-gradient(circle at right center, rgba(59, 130, 246, 0.1), transparent 28%),
      #f8fafc;
  }
  
  .hero-content {
    max-width: 760px;
  }
  
  .hero-label,
  .section-label {
    display: inline-block;
    margin-bottom: 16px;
    padding: 8px 14px;
    border-radius: 999px;
    background: #dbeafe;
    color: #1d4ed8;
    font-size: 0.88rem;
    font-weight: 600;
  }
  
  .hero h1 {
    font-size: clamp(2.3rem, 5vw, 4.2rem);
    line-height: 1.08;
    margin-bottom: 24px;
    letter-spacing: -1.2px;
  }
  
  .hero-text {
    max-width: 680px;
    font-size: 1.08rem;
    color: #475569;
    margin-bottom: 34px;
  }
  
  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
  }
  
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 155px;
    padding: 14px 24px;
    border-radius: 14px;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
  }
  
  .btn:hover {
    transform: translateY(-2px);
  }
  
  .btn-primary {
    background: #2563eb;
    color: #ffffff;
    box-shadow: 0 10px 25px rgba(37, 99, 235, 0.18);
  }
  
  .btn-primary:hover {
    background: #1d4ed8;
  }
  
  .btn-secondary {
    background: #ffffff;
    color: #0f172a;
    border: 1px solid #cbd5e1;
  }
  
  .btn-secondary:hover {
    border-color: #94a3b8;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.06);
  }
  
  .section {
    padding: 88px 0;
  }
  
  .section-heading h2,
  .contact-box h2 {
    font-size: clamp(1.9rem, 4vw, 2.8rem);
    line-height: 1.15;
    margin-bottom: 16px;
  }
  
  .section-subtext {
    max-width: 760px;
    margin: 0 auto;
    color: #64748b;
    font-size: 1.02rem;
  }
  
  .centered {
    text-align: center;
    margin-bottom: 50px;
  }
  
  .section-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.25fr;
    gap: 40px;
    align-items: start;
  }
  
  .section-body p {
    color: #475569;
    font-size: 1.03rem;
  }
  
  .section-body p + p {
    margin-top: 18px;
  }
  
  .services {
    background: #ffffff;
  }
  
  .cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    margin-bottom: 28px;
  }
  
  .card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 22px;
    padding: 28px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
  }
  
  .card:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
  }
  
  .card h3 {
    font-size: 1.2rem;
    margin-bottom: 14px;
  }
  
  .card p {
    color: #475569;
    font-size: 0.98rem;
  }
  
  .examples {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }
  
  .example-box {
    background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 22px;
  }
  
  .example-box span {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: #64748b;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
  }
  
  .example-box strong {
    font-size: 1.05rem;
    color: #0f172a;
  }
  
  .stack {
    overflow: hidden;
  }
  
  .stack-slider {
    position: relative;
    overflow: hidden;
    padding: 10px 0;
  }
  
  .stack-track {
    display: flex;
    width: max-content;
    gap: 18px;
    animation: scrollStack 28s linear infinite;
  }
  
  .stack-item {
    min-width: 180px;
    padding: 18px 22px;
    background: #ffffff;
    border: 1px solid #dbe3ee;
    border-radius: 18px;
    text-align: center;
    font-weight: 600;
    color: #1e293b;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.04);
  }
  
  @keyframes scrollStack {
    0% {
      transform: translateX(0);
    }
    100% {
      transform: translateX(-50%);
    }
  }
  
  .contact-box {
    text-align: center;
    background: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 28px;
    padding: 56px 32px;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.05);
  }
  
  .contact-box p {
    max-width: 720px;
    margin: 0 auto 22px;
    color: #475569;
    font-size: 1.02rem;
  }
  
  .contact-link {
    display: inline-block;
    margin-top: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    color: #2563eb;
    word-break: break-word;
  }
  
  .contact-link:hover {
    color: #1d4ed8;
  }
  
  .site-footer {
    padding: 34px 0;
    background: #ffffff;
    border-top: 1px solid #e2e8f0;
  }
  
  .footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: flex-start;
  }
  
  .footer-inner p {
    margin-top: 8px;
    color: #64748b;
    max-width: 440px;
    font-size: 0.95rem;
  }
  
  .footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
    text-align: right;
  }
  
  .footer-links a {
    color: #334155;
    transition: color 0.2s ease;
  }
  
  .footer-links a:hover {
    color: #2563eb;
  }
  
  @media (max-width: 960px) {
    .section-grid,
    .cards,
    .examples,
    .footer-inner {
      grid-template-columns: 1fr;
      display: grid;
    }
  
    .footer-inner {
      gap: 18px;
    }
  
    .footer-links {
      text-align: left;
    }
  
    .cards,
    .examples {
      gap: 18px;
    }
  }
  
  @media (max-width: 760px) {
    .header-inner {
      flex-direction: column;
      justify-content: center;
      padding: 16px 0;
    }
  
    .nav {
      flex-wrap: wrap;
      justify-content: center;
      gap: 14px 18px;
    }
  
    .hero {
      padding: 90px 0 70px;
    }
  
    .section {
      padding: 72px 0;
    }
  
    .contact-box {
      padding: 40px 22px;
    }
  
    .stack-item {
      min-width: 150px;
      padding: 16px 18px;
    }
  }
  
  @media (max-width: 520px) {
    .container {
      width: min(1120px, calc(100% - 24px));
    }
  
    .hero h1 {
      line-height: 1.14;
    }
  
    .btn {
      width: 100%;
    }
  
    .hero-actions {
      flex-direction: column;
    }
  }