:root {
      --dark: #101820;
      --navy: #162433;
      --graphite: #26313d;
      --yellow: #f5c542;
      --yellow-dark: #dcae28;
      --white: #ffffff;
      --muted: #f4f6f8;
      --text: #1d1d1f;
      --gray: #6b7280;
      --border: #d9dee5;
      --radius: 18px;
      --shadow: 0 20px 50px rgba(0, 0, 0, .16);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: Arial, Helvetica, sans-serif;
      color: var(--text);
      background: var(--white);
      line-height: 1.55;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img {
      width: 100%;
      display: block;
      object-fit: cover;
    }

    .container {
      width: min(1180px, calc(100% - 40px));
      margin: 0 auto;
    }

    .topbar {
      background: var(--dark);
      color: rgba(255, 255, 255, .85);
      font-size: 14px;
      padding: 8px 0;
    }

    .topbar .container {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: wrap;
    }

    header {
      position: sticky;
      top: 0;
      z-index: 30;
      background: rgba(255, 255, 255, .96);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
    }

    .nav {
      height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      font-size: 22px;
      font-weight: 800;
      color: var(--dark);
      letter-spacing: -.03em;
    }

    .brand span {
      color: var(--yellow-dark);
    }

    .menu {
      display: flex;
      align-items: center;
      gap: 18px;
      font-size: 14px;
      font-weight: 700;
      color: var(--graphite);
    }

    .menu a:hover {
      color: var(--yellow-dark);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 13px 18px;
      border-radius: 999px;
      font-weight: 800;
      border: 1px solid transparent;
      transition: .2s ease;
      cursor: pointer;
    }

    .btn-primary {
      background: var(--yellow);
      color: var(--dark);
      box-shadow: 0 10px 24px rgba(245, 197, 66, .28);
    }

    .btn-primary:hover {
      background: var(--yellow-dark);
    }

    .btn-secondary {
      background: transparent;
      color: var(--white);
      border-color: rgba(255, 255, 255, .28);
    }

    .btn-secondary:hover {
      background: rgba(255, 255, 255, .1);
    }

    .hero {
      min-height: 690px;
      color: var(--white);
      background:
        linear-gradient(90deg, rgba(16, 24, 32, .92), rgba(16, 24, 32, .72), rgba(16, 24, 32, .22)),
        url('assets/ruda-slaska.jpg') center/cover no-repeat;
      display: flex;
      align-items: center;
    }

    .hero-content {
      width: min(760px, 100%);
      padding: 80px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 12px;
      border-radius: 999px;
      background: rgba(245, 197, 66, .16);
      color: var(--yellow);
      font-weight: 800;
      font-size: 13px;
      text-transform: uppercase;
      letter-spacing: .06em;
    }

    h1 {
      margin: 20px 0 18px;
      font-size: clamp(40px, 5vw, 70px);
      line-height: .98;
      letter-spacing: -.055em;
    }

    .lead {
      font-size: clamp(18px, 2vw, 22px);
      color: rgba(255, 255, 255, .86);
      margin: 0 0 32px;
      max-width: 660px;
    }

    .hero-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
    }

    .hero-cards {
      margin-top: 42px;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      max-width: 720px;
    }

    .hero-card {
      background: rgba(255, 255, 255, .1);
      border: 1px solid rgba(255, 255, 255, .18);
      border-radius: var(--radius);
      padding: 18px;
      backdrop-filter: blur(8px);
    }

    .hero-card strong {
      display: block;
      font-size: 18px;
    }

    .hero-card span {
      color: rgba(255, 255, 255, .75);
      font-size: 14px;
    }

    section {
      padding: 88px 0;
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      gap: 32px;
      align-items: end;
      margin-bottom: 36px;
    }

    .section-head h2 {
      margin: 0;
      font-size: clamp(30px, 4vw, 48px);
      letter-spacing: -.04em;
      line-height: 1.06;
      color: var(--dark);
    }

    .section-head p {
      margin: 0;
      color: var(--gray);
      max-width: 520px;
      font-size: 17px;
    }

    .services {
      background: var(--muted);
    }

    .grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .service-card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: 0 12px 30px rgba(16, 24, 32, .06);
      transition: .22s ease;
    }

    .service-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow);
    }

    .service-card img {
      height: 210px;
    }

    .service-body {
      padding: 24px;
    }

    .service-body h3 {
      margin: 0 0 10px;
      font-size: 23px;
      color: var(--dark);
      letter-spacing: -.02em;
    }

    .service-body p {
      margin: 0 0 18px;
      color: var(--gray);
    }

    .service-body ul {
      padding-left: 18px;
      margin: 0 0 22px;
      color: var(--graphite);
      font-size: 15px;
    }

    .link {
      font-weight: 800;
      color: var(--dark);
      border-bottom: 2px solid var(--yellow);
    }

    .split {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 46px;
      align-items: center;
    }

    .about-box {
      background: var(--dark);
      color: var(--white);
      padding: 44px;
      border-radius: 28px;
      box-shadow: var(--shadow);
    }

    .about-box h2 {
      margin: 0 0 18px;
      font-size: clamp(30px, 4vw, 46px);
      line-height: 1.06;
      letter-spacing: -.04em;
    }

    .about-box p {
      color: rgba(255, 255, 255, .78);
      font-size: 17px;
    }

    .features {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 14px;
      margin-top: 28px;
    }

    .feature {
      background: rgba(255, 255, 255, .08);
      border: 1px solid rgba(255, 255, 255, .12);
      padding: 16px;
      border-radius: 16px;
      font-weight: 800;
    }

    .about-image img {
      height: 520px;
      border-radius: 28px;
      box-shadow: var(--shadow);
    }

    .gallery {
      background: var(--muted);
    }

    .gallery-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr .8fr;
      grid-auto-rows: 240px;
      gap: 16px;
    }

    .gallery-grid img {
      height: 100%;
      border-radius: 20px;
      box-shadow: 0 10px 30px rgba(16, 24, 32, .08);
    }

    .gallery-grid img:first-child {
      grid-row: span 2;
    }

    .seo-services {
      background: var(--dark);
      color: var(--white);
    }

    .seo-services h2 {
      color: var(--white);
    }

    .seo-services .section-head p {
      color: rgba(255, 255, 255, .72);
    }

    .seo-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
    }

    .seo-item {
      padding: 24px;
      border-radius: 20px;
      border: 1px solid rgba(255, 255, 255, .13);
      background: rgba(255, 255, 255, .06);
    }

    .seo-item h3 {
      margin: 0 0 8px;
      color: var(--yellow);
    }

    .seo-item p {
      margin: 0;
      color: rgba(255, 255, 255, .76);
    }

    .contact-card {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      overflow: hidden;
      border-radius: 30px;
      box-shadow: var(--shadow);
      border: 1px solid var(--border);
    }

    .contact-info {
      background: var(--navy);
      color: var(--white);
      padding: 46px;
    }

    .contact-info h2 {
      margin: 0 0 16px;
      font-size: 42px;
      letter-spacing: -.04em;
      line-height: 1.05;
    }

    .contact-info p {
      color: rgba(255, 255, 255, .75);
    }

    .contact-line {
      padding: 16px 0;
      border-bottom: 1px solid rgba(255, 255, 255, .12);
    }

    .contact-line strong {
      display: block;
      color: var(--yellow);
    }

    form {
      padding: 46px;
      background: var(--white);
      display: grid;
      gap: 16px;
    }

    .contact-action {
      padding: 46px;
      background: var(--white);
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 18px;
    }

    .contact-action h3 {
      margin: 0;
      font-size: 26px;
    }

    .contact-action p {
      margin: 0;
      color: var(--gray);
    }

    .contact-button {
      max-width: 260px;
    }

    input,
    textarea,
    select {
      width: 100%;
      padding: 15px 16px;
      border: 1px solid var(--border);
      border-radius: 14px;
      font: inherit;
      background: #fff;
    }

    textarea {
      min-height: 135px;
      resize: vertical;
    }

    label {
      font-weight: 800;
      font-size: 14px;
    }

    footer {
      background: #0b1118;
      color: rgba(255, 255, 255, .72);
      padding: 32px 0;
      font-size: 14px;
    }

    footer .container {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: wrap;
    }

    @media (max-width: 980px) {
      .menu {
        display: none;
      }

      .hero {
        min-height: 620px;
      }

      .hero-cards,
      .grid,
      .split,
      .seo-list,
      .contact-card {
        grid-template-columns: 1fr;
      }

      .section-head {
        display: block;
      }

      .section-head p {
        margin-top: 14px;
      }

      .gallery-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 260px;
      }

      .gallery-grid img:first-child {
        grid-row: span 1;
      }

      .about-image img {
        height: 360px;
      }
    }

    @media (max-width: 560px) {
      .container {
        width: min(100% - 28px, 1180px);
      }

      section {
        padding: 62px 0;
      }

      .topbar {
        display: none;
      }

      .nav {
        height: 66px;
      }

      .brand {
        font-size: 19px;
      }

      .hero-actions .btn {
        width: 100%;
      }

      .hero-cards {
        grid-template-columns: 1fr;
      }

      .contact-info,
      .contact-action,
      form,
      .about-box {
        padding: 28px;
      }
    }