* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    body {
      font-family: 'Poppins', sans-serif;
      line-height: 1.5;
      color: #1e2a36;
      background: #fff;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }
    /* Header – przezroczyste tło nad hero */
    .site-header {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 100;
      background: transparent;
      padding: 15px 0;
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
    }
    .logo img {
      height: 45px;
      width: auto;
    }
    /* Nawigacja */
    .nav-menu {
      display: flex;
      gap: 28px;
      list-style: none;
    }
    .nav-menu a {
      text-decoration: none;
      font-weight: 500;
      color: #fff;
      text-shadow: 0 1px 8px rgba(0,0,0,0.3);
      transition: color 0.2s;
      font-size: 1rem;
    }
    .nav-menu a:hover {
      color: #a5d6a5;
    }
    /* Hamburger (mobile) */
    .menu-toggle {
      display: none;
      flex-direction: column;
      justify-content: space-between;
      width: 28px;
      height: 22px;
      background: transparent;
      border: none;
      cursor: pointer;
      padding: 0;
    }
    .menu-toggle span {
      display: block;
      width: 100%;
      height: 3px;
      background: #fff;
      border-radius: 3px;
      box-shadow: 0 1px 6px rgba(0,0,0,0.3);
    }
    /* Hero – pełna szerokość grafika */
    .hero {
      width: 100%;
      min-height: 550px;
      background: url('https://www.offnet.pl/wp-content/uploads/2026/03/TWORZENIE-WWW-1.webp') no-repeat center center/cover;
      display: flex;
      align-items: center;
      position: relative;
    }
    .hero-overlay {
      background: rgba(0,0,0,0.2);
      width: 100%;
      height: 100%;
      min-height: 550px;
      display: flex;
      align-items: center;
    }
    .hero-content {
      max-width: 800px;
      color: #fff;
      text-shadow: 0 4px 12px rgba(0,0,0,0.4);
    }
    .hero h1 {
      font-size: 3.2rem;
      font-weight: 700;
      line-height: 1.2;
      margin-bottom: 20px;
    }
    .hero p {
      font-size: 1.3rem;
      margin-bottom: 30px;
      font-weight: 500;
    }
    .btn {
      display: inline-block;
      background: #45a144;
      color: #fff;
      font-weight: 600;
      padding: 14px 36px;
      border-radius: 40px;
      text-decoration: none;
      border: 2px solid #45a144;
      transition: 0.2s;
      font-size: 1.1rem;
    }
    .btn:hover {
      background: #fff;
      color: #45a144;
    }
    /* Sekcje */
    section {
      padding: 70px 0;
    }
    .bg-light {
      background: #f5f7fa;
    }
    .section-title {
      margin-bottom: 40px;
    }
    .section-title .tagline {
      color: #45a144;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 2px;
      font-size: 0.9rem;
      margin-bottom: 8px;
    }
    .section-title h2 {
      font-size: 2.4rem;
      font-weight: 700;
      color: #1e2a36;
    }
    .section-title h2 span {
      color: #45a144;
    }
    /* O nas */
    .about-grid {
      display: flex;
      gap: 40px;
      align-items: center;
    }
    .about-text {
      flex: 2;
    }
    .about-image {
      flex: 1;
      border-radius: 20px;
      overflow: hidden;
      box-shadow: 0 20px 30px rgba(0,0,0,0.08);
    }
    /* Usługi – karty */
    .services-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 30px;
    }
    .service-card {
      background: #fff;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 10px 25px rgba(0,0,0,0.05);
      transition: transform 0.2s;
    }
    .service-card:hover {
      transform: translateY(-5px);
    }
    .service-card img {
      width: 100%;
      height: 200px;
      object-fit: cover;
    }
    .service-card .card-content {
      padding: 25px 20px;
    }
    .service-card h3 {
      font-size: 1.4rem;
      margin-bottom: 10px;
    }
    .service-card p {
      color: #4a5568;
      margin-bottom: 20px;
    }
    .service-link {
      color: #45a144;
      font-weight: 600;
      text-decoration: none;
    }
    /* Portfolio */
    .portfolio-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .portfolio-item {
      background: #fff;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 8px 20px rgba(0,0,0,0.04);
    }
    .portfolio-item img {
      width: 100%;
      height: 180px;
      object-fit: cover;
    }
    .portfolio-caption {
      padding: 15px;
      text-align: center;
    }
    .portfolio-caption a {
      color: #1e2a36;
      text-decoration: none;
      font-weight: 500;
    }
    /* Blog + lista */
    .blog-grid {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 40px;
    }
    .blog-posts {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }
    .post-card {
      background: #fff;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0,0,0,0.03);
    }
    .post-card img {
      width: 100%;
      height: 180px;
      object-fit: cover;
    }
    .post-card .post-content {
      padding: 20px;
    }
    .post-date {
      color: #45a144;
      font-weight: 500;
      font-size: 0.9rem;
      margin-bottom: 8px;
    }
    .post-card h4 {
      font-size: 1.25rem;
      margin-bottom: 10px;
    }
    .post-list {
      background: #fff;
      padding: 25px;
      border-radius: 16px;
    }
    .post-list-item {
      padding: 12px 0;
      border-bottom: 1px solid #e2e8f0;
    }
    .post-list-item a {
      font-weight: 600;
      text-decoration: none;
      color: #1e2a36;
    }
    /* FAQ */
    .faq-list {
      max-width: 900px;
      margin: 0 auto;
    }
    .faq-item {
      background: #fff;
      border-radius: 12px;
      margin-bottom: 12px;
      box-shadow: 0 4px 10px rgba(0,0,0,0.02);
      border: 1px solid #eef2f6;
    }
    .faq-question {
      padding: 20px 25px;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .faq-answer {
      padding: 0 25px 20px 25px;
      display: none;
      color: #2d3748;
    }
    .faq-item.active .faq-answer {
      display: block;
    }
    .faq-question .icon {
      color: #45a144;
      font-size: 1.5rem;
    }
    /* Footer */
    .site-footer {
      background: #1a2a36;
      color: #ddd;
      padding: 50px 0 30px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
    }
    .footer-col h4 {
      color: #fff;
      margin-bottom: 20px;
      font-size: 1.2rem;
    }
    .footer-col ul {
      list-style: none;
    }
    .footer-col li {
      margin-bottom: 10px;
    }
    .footer-col a {
      color: #bbb;
      text-decoration: none;
      transition: color 0.2s;
    }
    .footer-col a:hover {
      color: #45a144;
    }
    .footer-bottom {
      text-align: center;
      padding-top: 40px;
      color: #999;
      font-size: 0.9rem;
    }
    /* Responsywność */
    @media (max-width: 992px) {
      .services-grid { grid-template-columns: repeat(2, 1fr); }
      .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
      .blog-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: repeat(2, 1fr); }
      .hero h1 { font-size: 2.5rem; }
    }
    @media (max-width: 768px) {
      .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        background: rgba(30,42,54,0.95);
        backdrop-filter: blur(8px);
        padding: 20px;
        border-radius: 16px;
        margin-top: 15px;
        gap: 12px;
      }
      .nav-menu.active {
        display: flex;
      }
      .menu-toggle {
        display: flex;
      }
      .header-inner {
        position: relative;
      }
      .about-grid {
        flex-direction: column;
      }
      .services-grid { grid-template-columns: 1fr; }
      .portfolio-grid { grid-template-columns: 1fr; }
      .blog-posts { grid-template-columns: 1fr; }
      .hero h1 { font-size: 2rem; }
      .hero p { font-size: 1.1rem; }
    }
    @media (max-width: 480px) {
      .footer-grid { grid-template-columns: 1fr; }
    }
    /* pomocnicze */
    .text-center { text-align: center; }
    .mt-4 { margin-top: 30px; }
    .green { color: #45a144; }