:root {
      --bg: #000000;
      --card: #0a0a0a;
      --accent: #ff7a00;
      --text-main: #ffffff;
      --text-dim: #9ca3af;
      --radius-xl: 1.25rem;
      --border-dark: rgba(255,122,0,.25);
    }

    * { box-sizing: border-box; }

    body {
      margin: 0;
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Inter", Roboto, "Segoe UI", sans-serif;
      background: radial-gradient(circle at top, #111827 0, #020617 45%, #000000 100%);
      color: var(--text-main);
      -webkit-font-smoothing: antialiased;
      display: flex;
      flex-direction: column;
      min-height: 100vh;
    }

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

    /* HEADER */
    header {
      max-width: 1200px;
      width: 100%;
      margin: 0 auto;
      padding: 1.25rem 1.5rem 1rem;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 0.75rem;
      border-bottom: 1px solid var(--border-dark);
    }

    .brand-logo img {
      display: block;
      height: clamp(50px, 9vw, 75px);
      width: auto;
    }

    .cta-top {
      font-size: .9rem;
      background: var(--accent);
      color: #000;
      font-weight: 600;
      border-radius: .6rem;
      padding: .6rem .9rem;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: .4rem;
      box-shadow: 0 0 0 1px rgba(0,0,0,.2), 0 8px 20px rgba(0,0,0,.6);
      white-space: nowrap;
    }

    .cta-top:hover {
      transform: translateY(-1px);
      box-shadow: 0 10px 25px rgba(0,0,0,.7);
    }

    /* MAIN LAYOUT */
    main {
      max-width: 1200px;
      width: 100%;
      margin: 0 auto;
      padding: 1.5rem 1.5rem 2.5rem;
      flex: 1;
    }

    /* HERO SECTION */
    .hero {
      display: grid;
      grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
      gap: 2.25rem;
      align-items: flex-start;
      margin-top: 1.75rem;
    }

    .hero-text h1 {
      font-size: clamp(1.8rem, 3vw, 2.4rem);
      line-height: 1.25;
      margin: 0 0 1rem;
      letter-spacing: 0.01em;
    }

    .hero-text .accent {
      display: block;
      font-size: .9em;
      color: var(--accent);
      margin-bottom: .15rem;
    }

    .hero-text p {
      margin: 0 0 1rem;
      color: var(--text-dim);
      font-size: 0.97rem;
    }

    .hero-cta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
      margin-bottom: .75rem;
    }

    .btn-primary,
    .btn-outline {
      font-size: .95rem;
      font-weight: 600;
      border-radius: .75rem;
      padding: .7rem 1.2rem;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: .4rem;
      cursor: pointer;
      border: 1px solid transparent;
      transition: background .18s ease, color .18s ease, transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    }

    .btn-primary {
      background: var(--accent);
      color: #000;
      box-shadow: 0 0 0 1px rgba(0,0,0,.2), 0 12px 30px rgba(0,0,0,.7);
    }

    .btn-primary:hover {
      transform: translateY(-1px);
      box-shadow: 0 14px 35px rgba(0,0,0,.8);
    }

    .btn-outline {
      background: transparent;
      color: var(--accent);
      border-color: rgba(255,122,0,.45);
      box-shadow: 0 6px 16px rgba(0,0,0,.5);
    }

    .btn-outline:hover {
      background: rgba(15,23,42,.9);
      border-color: var(--accent);
      color: var(--accent);
      transform: translateY(-1px);
    }

    .hero-note {
      font-size: .9rem;
      color: var(--text-dim);
      margin: 0;
    }

    .hero-aside {
      display: flex;
      flex-direction: column;
      gap: 1.25rem;
    }

    .info-card {
      background: radial-gradient(circle at top left, #111827 0, #020617 55%);
      border-radius: var(--radius-xl);
      padding: 1.25rem 1.4rem;
      border: 1px solid var(--border-dark);
      box-shadow: 0 18px 50px rgba(0,0,0,.85);
    }

    .info-row {
      display: flex;
      justify-content: space-between;
      gap: .75rem;
      font-size: 0.88rem;
      padding: .35rem 0;
    }

    .info-row + .info-row {
      border-top: 1px solid rgba(148,163,184,.2);
      margin-top: .4rem;
      padding-top: .5rem;
    }

    .info-label {
      color: #9ca3af;
    }

    .info-value {
      text-align: right;
    }

    .stat-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: .75rem;
    }

    .stat-card {
      background: linear-gradient(to bottom, rgba(15,23,42,.98), #020617);
      border-radius: 1rem;
      padding: .8rem .9rem;
      border: 1px solid rgba(148,163,184,.35);
      text-align: left;
      box-shadow: 0 14px 35px rgba(0,0,0,.8);
    }

    .stat-number {
      font-weight: 700;
      font-size: 1.3rem;
      margin-bottom: .2rem;
    }

    .stat-label {
      color: #9ca3af;
      font-size: .78rem;
      line-height: 1.35;
    }

    /* SECTION GENERIC */
    .section {
      margin-top: 2.5rem;
    }

    .section-header {
      margin-bottom: 1.3rem;
      max-width: 640px;
    }

    .section-header h2 {
      margin: 0 0 .4rem;
      font-size: 1.35rem;
    }

    .section-header p {
      margin: 0;
      color: var(--text-dim);
      font-size: .95rem;
    }

    /* SERVICES */
    .service-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 1rem;
    }

    .service-card {
      background: rgba(15,23,42,.98);
      border-radius: var(--radius-xl);
      padding: 1.2rem 1.25rem;
      border: 1px solid rgba(148,163,184,.35);
      box-shadow: 0 18px 50px rgba(0,0,0,.85);
      font-size: .94rem;
    }

    .service-card h3 {
      margin-top: 0;
      margin-bottom: .4rem;
      font-size: 1.02rem;
    }

    .service-card p {
      margin-top: 0;
      margin-bottom: .6rem;
      color: var(--text-dim);
    }

    .service-card ul {
      margin: 0;
      padding-left: 1.1rem;
      color: var(--text-dim);
      font-size: .9rem;
    }

    /* FEATURES */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 1rem;
    }

    .feature-card {
      background: radial-gradient(circle at top left, #0f172a 0, #020617 55%);
      border-radius: var(--radius-xl);
      padding: 1.1rem 1.2rem;
      border: 1px solid rgba(148,163,184,.35);
      box-shadow: 0 16px 45px rgba(0,0,0,.9);
      font-size: .94rem;
    }

    .feature-card h3 {
      margin-top: 0;
      margin-bottom: .35rem;
      font-size: 1.02rem;
    }

    .feature-card p {
      margin: 0;
      color: var(--text-dim);
    }

    /* AREA */
    .area-grid {
      display: grid;
      grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
      gap: 1rem;
    }

    .area-card {
      background: rgba(15,23,42,.98);
      border-radius: var(--radius-xl);
      padding: 1.1rem 1.2rem;
      border: 1px solid rgba(148,163,184,.35);
      font-size: .94rem;
      box-shadow: 0 18px 50px rgba(0,0,0,.85);
    }

    .area-card h3 {
      margin-top: 0;
      margin-bottom: .4rem;
      font-size: 1.02rem;
    }

    .area-card ul {
      margin: 0;
      padding-left: 1.1rem;
      color: var(--text-dim);
      font-size: .9rem;
    }

    .area-card p {
      margin: 0;
      color: var(--text-dim);
    }

    /* CONTACT */
    .contact-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.4fr) minmax(0, .9fr);
      gap: 1.2rem;
      align-items: stretch;
    }

    .contact-text {
      font-size: .95rem;
      color: var(--text-dim);
    }

    .contact-text h2 {
      margin-top: 0;
      margin-bottom: .5rem;
      color: var(--text-main);
      font-size: 1.25rem;
    }

    .contact-text p {
      margin-top: 0;
      margin-bottom: .7rem;
    }

    .contact-list {
      margin: 0 0 .6rem;
      padding-left: 1rem;
      font-size: .94rem;
      color: var(--text-dim);
    }

    .contact-box {
      background: radial-gradient(circle at top right, #0f172a 0, #020617 55%);
      border-radius: var(--radius-xl);
      padding: 1.1rem 1.25rem;
      border: 1px solid rgba(148,163,184,.35);
      box-shadow: 0 18px 50px rgba(0,0,0,.85);
      font-size: .95rem;
      display: flex;
      flex-direction: column;
      gap: .2rem;
    }

    .small-label {
      font-size: .78rem;
      text-transform: uppercase;
      letter-spacing: .08em;
      color: #9ca3af;
      margin-bottom: .1rem;
    }

    /* FOOTER */
    footer {
      border-top: 1px solid var(--border-dark);
      padding: 1rem 1.5rem 1.2rem;
      margin-top: auto;
      background: radial-gradient(circle at top, #020617 0, #000000 50%);
    }

    .footer-inner {
      max-width: 1200px;
      margin: 0 auto .4rem;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 1rem;
      flex-wrap: wrap;
      font-size: .9rem;
    }

    .footer-title {
      font-weight: 600;
    }

    .footer-subtitle {
      color: var(--text-dim);
      font-size: .85rem;
    }

    .footer-contact {
      text-align: right;
      font-size: .88rem;
      color: var(--text-dim);
    }

    .copy-note {
      max-width: 1200px;
      margin: 0 auto;
      font-size: .8rem;
      color: #6b7280;
      text-align: center;
    }

    /* RESPONSIVE */
    @media (max-width: 900px) {
      .hero {
        grid-template-columns: minmax(0, 1fr);
      }

      .hero-aside {
        order: -1;
      }

      .service-grid,
      .feature-grid,
      .area-grid,
      .contact-layout {
        grid-template-columns: minmax(0, 1fr);
      }

      header {
        padding-left: 1rem;
        padding-right: 1rem;
      }

      main {
        padding-left: 1rem;
        padding-right: 1rem;
      }
    }

    @media (max-width: 480px) {
      header {
        flex-direction: column;
        align-items: flex-start;
      }

      .cta-top {
        width: 100%;
        justify-content: center;
      }

      .hero-cta-row {
        flex-direction: column;
      }

      .btn-primary,
      .btn-outline {
        width: 100%;
      }

      .stat-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }

      .footer-inner {
        align-items: flex-start;
      }

      .footer-contact {
        text-align: left;
      }
    }

    @media (min-width: 768px) {
      .hero {
        margin-top: 2.1rem;
      }
    }

    /* Dostępność: widoczne obramowanie elementów w focusie */
    a:focus,
    button:focus,
    .cta-top:focus,
    .btn-primary:focus,
    .btn-outline:focus {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
    }

    /* Większe pola klikalne na urządzeniach mobilnych */
    .btn-primary,
    .btn-outline,
    .cta-top {
      min-height: 44px;
    }