/* RESET I PODSTAWY */
    * { 
      margin: 0; 
      padding: 0; 
      box-sizing: border-box; 
      font-family: 'Inter', -apple-system, sans-serif; 
    }
    body { 
      background-color: #0A0A0A; 
      color: #FFFFFF; 
      line-height: 1.6; 
      -webkit-font-smoothing: antialiased; 
    }
    
    /* KONTENER ZOPTYMALIZOWANY POD DUŻE MONITORY */
    .container { max-width: 1450px; margin: 0 auto; padding: 0 40px; }
    .border-b { border-bottom: 1px solid #27272A; }
    .border-t { border-top: 1px solid #27272A; }
    
    /* ZABEZPIECZENIE GRAFIK PRZED UTRATĄ JAKOŚCI */
    img {
      max-width: 100%;
      height: auto;
      image-rendering: -webkit-optimize-contrast;
    }
    
    /* HEADER & LOGO (USTAWIONE NA 100PX) */
    header { 
      background: rgba(10, 10, 10, 0.95); 
      backdrop-filter: blur(12px);
      position: sticky; 
      top: 0; 
      z-index: 100; 
    }
    .header-content { 
      display: flex; 
      justify-content: space-between; 
      align-items: center; 
      height: 130px; 
    }
    
    .logo-link { display: flex; align-items: center; text-decoration: none; }
    .logo-img { 
      height: 100px; 
      max-height: 100px;
      width: auto; 
      object-fit: contain; 
      image-rendering: -webkit-optimize-contrast;
      filter: brightness(0) invert(1); 
    }
    
    nav { display: flex; gap: 32px; align-items: center; }
    nav a { color: #A1A1AA; text-decoration: none; font-size: 14px; font-weight: 500; transition: color 0.2s; }
    nav a:hover { color: #FFFFFF; }
    
    .btn-outline { 
      border: 1px solid #27272A; 
      color: #FFFFFF; 
      padding: 10px 20px; 
      font-size: 13px; 
      font-weight: 500; 
      text-decoration: none; 
      transition: all 0.2s; 
      border-radius: 6px; 
    }
    .btn-outline:hover { border-color: #FFFFFF; }

    /* HERO SECTION - OGRANICZONA DO 1450PX Z CZARNYMI BOKAMI NA SZEROKICH EKRANACH */
    .hero-bright {
      position: relative;
      max-width: 1450px;
      margin: 0 auto;
	background: url('../bg6.png') 85% center / cover no-repeat;
      padding: 160px 40px 180px 40px;
      color: #0A0A0A;
      background-color: #E2E8F0; 
      backdrop-filter: contrast(105%);
      image-rendering: -webkit-optimize-contrast;
    }

    .hero-subtitle-dark { 
      color: #475569; 
      font-family: 'JetBrains Mono', monospace;
      font-size: 12px; 
      font-weight: 600; 
      letter-spacing: 2.5px; 
      text-transform: uppercase; 
      margin-bottom: 16px; 
      display: inline-block;
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(8px);
      padding: 6px 14px;
      border-radius: 4px;
      border: 1px solid rgba(15, 23, 42, 0.12);
    }
    .hero-title-dark { font-size: 64px; font-weight: 800; letter-spacing: -2px; line-height: 1.1; margin-bottom: 20px; max-width: 850px; color: #0F172A; }
    .hero-description-dark { color: #334155; font-size: 19px; max-width: 650px; margin-bottom: 40px; font-weight: 500; line-height: 1.6; }
    .hero-actions { display: flex; gap: 16px; position: relative; z-index: 2; }

    .btn-solid-dark { background: #0F172A; color: #FFFFFF; padding: 14px 28px; font-size: 13px; font-weight: 600; text-decoration: none; transition: background 0.2s; border-radius: 8px; }
    .btn-solid-dark:hover { background: #1E293B; }

    .btn-outline-dark { border: 1.5px solid #0F172A; color: #0F172A; padding: 14px 28px; font-size: 13px; font-weight: 600; text-decoration: none; transition: all 0.2s; border-radius: 8px; }
    .btn-outline-dark:hover { background: rgba(15, 23, 42, 0.08); }

    /* METRYKI BIZNESOWE - WYŚRODKOWANE */
    .metrics { display: grid; grid-template-columns: repeat(3, 1fr); padding: 56px 0; background: #0A0A0A; }
    .metric-item { 
      border-left: 1px solid #27272A; 
      padding: 0 20px; 
      text-align: center;
    }
    .metric-item:first-child { border-left: none; padding-left: 0; }
    .metric-number { font-size: 40px; font-weight: 700; letter-spacing: -1px; margin-bottom: 4px; font-family: 'JetBrains Mono', monospace; }
    .metric-label { color: #71717A; font-size: 14px; }

    /* KAFELKI / USŁUGI - ROZWIJANE */
    .services { padding: 100px 0; background: #0A0A0A; }
    .section-title { font-size: 28px; font-weight: 600; letter-spacing: -0.5px; margin-bottom: 40px; color: #FFFFFF; }
    
    .services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
    
    .service-card-white { 
      background: #FFFFFF; 
      color: #0A0A0A; 
      padding: 40px 32px; 
      border-radius: 12px; 
      box-shadow: 0 10px 30px rgba(255, 255, 255, 0.05);
      cursor: pointer;
      transition: transform 0.25s ease, box-shadow 0.25s ease;
      position: relative;
      text-decoration: none;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .service-card-white:hover {
      transform: translateY(-4px);
      box-shadow: 0 15px 35px rgba(255, 255, 255, 0.1);
    }
    .service-card-white h3 { font-size: 19px; font-weight: 700; margin-bottom: 14px; letter-spacing: -0.3px; }
    .service-card-white p { color: #52525B; font-size: 14px; font-weight: 400; line-height: 1.6; }

    /* UKRYTA TREŚĆ ROZWIJANA */
    .service-details {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out, margin-top 0.35s ease-out;
      border-top: 0px solid #E4E4E7;
      margin-top: 0;
    }
    .service-card-white.active .service-details {
      max-height: 250px;
      margin-top: 20px;
      padding-top: 20px;
      border-top: 1px solid #E4E4E7;
    }
    .service-details p {
      font-size: 13px;
      color: #3F3F46;
      margin-bottom: 10px;
    }
    .expand-hint {
      display: inline-block;
      margin-top: 16px;
      font-size: 12px;
      font-weight: 600;
      color: #0F172A;
      font-family: 'JetBrains Mono', monospace;
    }
    .service-card-white.active .expand-hint::after {
      content: " [- Zwiń]";
    }
    .service-card-white:not(.active) .expand-hint::after {
      content: " [+ Więcej]";
    }

    /* WYŚRODKOWANIE SIÓDMEGO KAFELKA NA SZEROKIM EKRANIE */
    @media (min-width: 1025px) {
      .service-card-white:nth-last-child(1):nth-child(3n-2) {
        grid-column: 2;
      }
    }

    /* ROZBUDOWANA STOPKA */
    footer { padding: 80px 0 40px; background: #0A0A0A; color: #A1A1AA; }
    .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 60px; }
    .footer-col h4 { color: #FFFFFF; font-size: 14px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 20px; font-family: 'JetBrains Mono', monospace; }
    .footer-col p { font-size: 14px; line-height: 1.6; color: #71717A; margin-bottom: 20px; max-width: 320px; }
    .footer-col ul { list-style: none; }
    .footer-col ul li { margin-bottom: 12px; }
    .footer-col ul li a { color: #A1A1AA; text-decoration: none; font-size: 14px; transition: color 0.2s; }
    .footer-col ul li a:hover { color: #FFFFFF; }
    
    .footer-status { display: flex; align-items: center; gap: 8px; font-family: 'JetBrains Mono', monospace; font-size: 12px; color: #71717A; }
    .status-dot { width: 8px; height: 8px; background-color: #10B981; border-radius: 50%; box-shadow: 0 0 8px rgba(16, 185, 129, 0.6); }

    .footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; color: #52525B; font-size: 13px; }

    /* RESPONSJYWNOŚĆ */
    @media (max-width: 1200px) {
      .services-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
      @media (min-width: 1025px) {
        .service-card-white:nth-last-child(1):nth-child(3n-2) {
          grid-column: auto;
        }
      }
    }
    @media (max-width: 1024px) {
      .container { padding: 0 24px; }
      .hero-bright { padding: 100px 24px; background-position: center !important; }
      .hero-title-dark { font-size: 40px; }
      .services-grid, .metrics, .footer-grid { grid-template-columns: 1fr; gap: 30px; }
      .metric-item { border-left: none; border-top: 1px solid #27272A; padding-left: 0; padding-top: 20px; text-align: center; }
    }