:root {
      --bg: #ffffff;
      --bg-soft: #ffffff;
      --card: #4fa4dd;
      --text: #010710;
      --muted: #0e2c3f;
      --line: rgba(255, 255, 255, 0.09);
      --accent: #7ccff5;
      --accent-hover: #7baccb;
      --accent-soft: rgba(66, 124, 132, 0.12);
      --max-width: 1100px;
      --radius: 18px;
      --shadow: 0 12px 30px rgba(4, 4, 4, 0.22);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: Arial, Helvetica, sans-serif;
      background: linear-gradient(180deg, var(--bg) 0%, #748996 100%);
      color: var(--text);
      line-height: 1.6;
    }

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

    a {
      color: var(--accent);
      text-decoration: none;
    }

    a:hover {
      color: var(--accent-hover);
    }

    .container {
      width: min(calc(100% - 2rem), var(--max-width));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 10;
      backdrop-filter: blur(10px);
      background: hsla(206, 79%, 59%, 0.88);
      border-bottom: 1px solid var(--line);
    }

    .nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      min-height: 72px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 0.9rem;
      color: var(--text);
      font-weight: 700;
      letter-spacing: 0.04em;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      border-radius: 12px;
      background: var(--accent-soft);
      border: 1px solid rgba(0, 188, 212, 0.25);
      display: grid;
      place-items: center;
      flex-shrink: 0;
      overflow: hidden;
    }

    .brand-mark img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.2;
      font-size: 1.3rem;
    }

    .brand-text small {
      color: var(--muted);
      font-weight: 400;
      letter-spacing: normal;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 1.25rem;
      flex-wrap: wrap;
    }

    .nav-links a {
      color: var(--text);
      font-size: 0.95rem;
    }

    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      min-height: 48px;
      padding: 0.85rem 1.2rem;
      border-radius: 999px;
      border: 2px solid transparent;
      font-weight: 700;
      transition: 0.2s ease;
      cursor: pointer;
      text-align: center;
    }

    .button-primary {
      background: var(--accent);
      color: #073039;
    }

    .button-primary:hover {
      background: var(--accent-hover);
      color: #05252c;
    }

    .button-secondary {
      background: transparent;
      border-color: rgba(78, 154, 230, 0.871);
      color: var(--text);
    }

    .button-secondary:hover {
      border-color: var(--accent);
      background: var(--accent-soft);
      color: var(--text);
    }

    .hero {
      padding: 4.5rem 0 3rem;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 2rem;
      align-items: center;
    }

    .eyebrow {
      display: inline-block;
      padding: 0.35rem 0.7rem;
      border-radius: 999px;
      background: var(--accent-soft);
      border: 1px solid rgba(0, 188, 212, 0.2);
      color: #456e85;
      font-size: 0.9rem;
      margin-bottom: 1rem;
    }

    h1, h2, h3 {
      margin: 0 0 1rem;
      line-height: 1.15;
    }

    h1 {
      font-size: clamp(2.2rem, 4vw, 4rem);
    }

    h2 {
      font-size: clamp(1.5rem, 2vw, 2rem);
    }

    p {
      margin: 0 0 1rem;
      color: var(--muted);
    }

    .hero-copy {
      font-size: 1.08rem;
      max-width: 42rem;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 0.9rem;
      margin-top: 1.5rem;
    }

    .hero-points {
      display: flex;
      flex-wrap: wrap;
      gap: 1rem;
      margin-top: 1.5rem;
      color: var(--muted);
      font-size: 0.95rem;
    }

    .hero-card {
      background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015));
      border: 1px solid var(--line);
      border-radius: 24px;
      padding: 1.5rem;
      box-shadow: var(--shadow);
    }

    .logo-panel {
      aspect-ratio: 1 / 1;
      border-radius: 22px;
      background: radial-gradient(circle at top, rgba(0, 187, 212, 0.283), rgba(255,255,255,0.02) 55%), var(--bg-soft);
      border: 1px solid var(--line);
      display: grid;
      place-items: center;
      padding: 1.5rem;
    }

    .logo-panel img {
      max-height: 100%;
      object-fit: contain;
    }

    .section {
      padding: 2rem 0;
    }

    .section-card {
      background: rgba(255,255,255,0.025);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      padding: 2rem;
      box-shadow: var(--shadow);
    }

    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1rem;
      margin-top: 1.5rem;
    }

    .service-card {
      background: var(--card);
      border-radius: 16px;
      padding: 1.25rem;
      border: 1px solid rgba(255,255,255,0.08);
    }

    .service-card h3 {
      font-size: 1.05rem;
      margin-bottom: 0.6rem;
    }

    .service-card p {
      font-size: 0.95rem;
      margin: 0;
    }

    .about-grid,
    .contact-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.25rem;
      margin-top: 1.5rem;
    }

    .info-card {
      background: var(--card);
      border-radius: 16px;
      padding: 1.25rem;
      border: 1px solid rgba(255,255,255,0.08);
    }

    .info-card strong {
      display: block;
      margin-bottom: 0.45rem;
      color: var(--text);
    }

    .contact-list {
      display: grid;
      gap: 1rem;
    }

    .contact-item {
      background: var(--card);
      border: 1px solid rgba(255,255,255,0.08);
      border-radius: 16px;
      padding: 1rem 1.1rem;
    }

    .contact-item span {
      display: block;
      color: var(--muted);
      font-size: 0.92rem;
      margin-bottom: 0.2rem;
    }

    .contact-item a,
    .contact-item strong {
      color: var(--text);
      font-size: 1.05rem;
    }

    .site-footer {
      padding: 2rem 0 3rem;
      color: var(--muted);
      font-size: 0.95rem;
    }

    .site-footer .container {
      border-top: 1px solid var(--line);
      padding-top: 1.5rem;
    }

    @media (max-width: 900px) {
      .hero-grid,
      .services-grid,
      .about-grid,
      .contact-grid {
        grid-template-columns: 1fr;
      }

      .nav {
        flex-direction: column;
        align-items: flex-start;
        padding: 0.8rem 0;
      }

      .nav-links {
        width: 100%;
        justify-content: flex-start;
      }
    }

    @media (max-width: 640px) {
      .hero {
        padding-top: 3rem;
      }

      .section-card {
        padding: 1.25rem;
      }

      .hero-actions {
        flex-direction: column;
      }

      .button {
        width: 100%;
      }
    }