:root {
  --bg: #ffffff;
  --surface: rgba(255, 255, 255, 0.86);
  --surface-strong: #ffffff;
  --text: #101828;
  --muted: #475467;
  --line: rgba(15, 23, 42, 0.1);
  --primary: #1d4ed8;
  --primary-dark: #0f3ea8;
  --accent: #0ea5e9;
  --dark: #0b1020;
  --dark-soft: #11182d;
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(16, 24, 40, 0.14);
  --shadow-soft: 0 10px 30px rgba(16, 24, 40, 0.1);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Lato, Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

button,
input,
textarea,
a.button {
  font: inherit;
}

.skip-link,
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip-link:focus {
  clip: auto;
  width: auto;
  height: auto;
  margin: 1rem;
  padding: 0.75rem 1rem;
  background: var(--white);
  color: var(--dark);
  border-radius: 10px;
  z-index: 9999;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(18px);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-grid;
}

.brand-logo {
  grid-area: 1 / 1;
  width: 168px;
  height: auto;
}

.brand-logo-light {
  opacity: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-nav a {
  font-size: 0.92rem;
  color: var(--muted);
  transition: color 0.2s ease, transform 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  width: 52px;
  height: 52px;
  border: 0;
  border-radius: 14px;
  background: var(--white);
  box-shadow: var(--shadow-soft);
  padding: 0;
  cursor: pointer;
}

.menu-toggle span:not(.sr-only) {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 5px auto;
  border-radius: 999px;
}

.hero {
  min-height: calc(100vh - 78px);
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: url("../img/archive/01.jpg") center / cover no-repeat;
  color: var(--white);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(11, 16, 32, 0.82), rgba(11, 16, 32, 0.56)),
    radial-gradient(circle at 30% 30%, rgba(14, 165, 233, 0.22), transparent 34%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 5rem 0 6rem;
}

.hero h1 {
  margin: 0;
  font-family: Montserrat, Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(3rem, 8vw, 6.4rem);
  line-height: 1;
  font-weight: 800;
}

.hero h1 span {
  color: var(--accent);
}

.hero p:not(.eyebrow) {
  max-width: 760px;
  margin: 1.5rem auto 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: 1.1rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.9rem;
  margin-top: 2rem;
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 1.5rem;
  z-index: 1;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.84);
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white);
  box-shadow: 0 16px 35px rgba(29, 78, 216, 0.24);
}

.button-secondary.light {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.22);
  color: var(--white);
}

.section {
  padding: 5.5rem 0;
  position: relative;
  overflow: hidden;
}

.section > .container {
  position: relative;
  z-index: 1;
}

.section-decor::before,
.section-decor::after {
  content: "";
  display: none;
  position: absolute;
  z-index: 0;
  width: clamp(170px, 15vw, 260px);
  aspect-ratio: 776 / 803;
  background: url("../img/wzorek.png") center / contain no-repeat;
  opacity: 0.34;
  pointer-events: none;
}

.section-decor::before {
  left: calc((100vw - var(--container)) / 2 - 150px);
  transform: scaleX(-1);
}

.section-decor::after {
  right: calc((100vw - var(--container)) / 2 - 150px);
}

.intro.section-decor::after {
  display: block;
  top: 5.2rem;
}

#equipment.section-decor::before {
  display: block;
  top: 11.5rem;
}

#network.section-decor::after {
  display: block;
  bottom: 4rem;
}

#about.section-decor::before {
  display: block;
  top: 4.5rem;
}

#clients.section-decor::after {
  display: block;
  top: 8rem;
}

.section-tight {
  padding: 4.5rem 0;
}

.section-alt {
  background: rgba(255, 255, 255, 0.48);
  border-top: 1px solid rgba(255, 255, 255, 0.7);
  border-bottom: 1px solid rgba(255, 255, 255, 0.7);
}

.section-heading {
  max-width: 860px;
  margin-bottom: 2.5rem;
}

.section-heading.centered {
  margin-inline: auto;
  text-align: center;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 800;
}

.eyebrow.light {
  color: rgba(255, 255, 255, 0.76);
}

h2 {
  margin: 0 0 1rem;
  font-family: Montserrat, Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.08;
}

h3,
p {
  margin-top: 0;
}

.services-grid,
.logo-grid,
.quote-grid,
.stats-grid {
  display: grid;
  gap: 1.25rem;
}

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

.service-card,
.logo-card,
.contact-form,
.contact-facts article {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(8px);
}

.service-card {
  padding: 1.65rem;
}

.service-card span {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 14px;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, rgba(29, 78, 216, 0.12), rgba(14, 165, 233, 0.18));
  color: var(--primary-dark);
  font-weight: 800;
}

.service-card p,
.detail-grid p,
.about-copy p,
.contact-facts span,
.form-note {
  color: var(--muted);
}

.detail-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 2rem;
  align-items: center;
}

.detail-grid.reverse {
  grid-template-columns: 1.05fr 0.95fr;
}

.image-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: end;
}

.image-pair img,
.single-image img {
  width: 100%;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  object-fit: cover;
}

.image-pair img {
  aspect-ratio: 4 / 5;
}

.image-pair img:nth-child(2) {
  transform: translateY(2rem);
}

.single-image {
  max-width: 420px;
  justify-self: center;
}

.single-image img {
  aspect-ratio: 4 / 5;
}

.check-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
  display: grid;
  gap: 0.9rem;
}

.check-list li {
  display: flex;
  gap: 0.75rem;
}

.check-list li::before {
  content: "";
  width: 12px;
  height: 12px;
  border-radius: 999px;
  margin-top: 0.45rem;
  flex: 0 0 auto;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 0 0 6px rgba(14, 165, 233, 0.14);
}

.stats-band {
  background:
    linear-gradient(rgba(11, 16, 32, 0.76), rgba(11, 16, 32, 0.76)),
    url("../img/archive/funFactors.jpg") center / cover fixed;
  color: var(--white);
  padding: 5rem 0;
}

.stats-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.stats-grid article {
  text-align: center;
}

.stats-grid strong {
  display: block;
  font-size: clamp(3rem, 6vw, 5rem);
  line-height: 1;
}

.stats-grid span {
  display: block;
  margin-top: 1rem;
  color: rgba(255, 255, 255, 0.82);
}

.about-grid {
  display: grid;
  grid-template-columns: 0.7fr 1.2fr 0.72fr;
  gap: 2rem;
  align-items: start;
}

.owner-card {
  overflow: hidden;
  border-radius: var(--radius-xl);
  background: var(--dark);
  color: var(--white);
  box-shadow: var(--shadow);
}

.owner-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.owner-card div {
  padding: 1rem;
}

.owner-card strong,
.owner-card span {
  display: block;
}

.owner-card span {
  color: rgba(255, 255, 255, 0.68);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
}

.logo-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.logo-card {
  min-height: 132px;
  display: grid;
  place-items: center;
  padding: 1.2rem;
}

.logo-card img {
  max-height: 54px;
  width: auto;
  object-fit: contain;
  filter: grayscale(1);
  opacity: 0.9;
}

.references {
  background:
    linear-gradient(rgba(11, 16, 32, 0.82), rgba(11, 16, 32, 0.82)),
    url("../img/archive/06.jpg") center / cover fixed;
  color: var(--white);
  padding: 5.5rem 0;
}

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

blockquote {
  margin: 0;
  padding: 1.7rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(8px);
}

blockquote p {
  color: rgba(255, 255, 255, 0.9);
}

blockquote cite {
  display: block;
  margin-top: 1.2rem;
  color: rgba(255, 255, 255, 0.68);
  font-style: normal;
}

.contact-section {
  background:
    radial-gradient(circle at top right, rgba(14, 165, 233, 0.16), transparent 34%),
    var(--dark);
  color: var(--white);
  padding: 5.5rem 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 2rem;
  align-items: start;
}

.contact-facts {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
}

.contact-facts article {
  padding: 1.2rem;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
}

.contact-facts span {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.58);
  margin-bottom: 0.4rem;
}

.contact-form {
  padding: 1.5rem;
  background: var(--white);
  color: var(--text);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-row {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 1rem;
}

.form-row label {
  font-weight: 700;
}

.form-row input,
.form-row textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.85rem 0.95rem;
  color: var(--text);
  background: #f8fafc;
}

.form-row textarea {
  resize: vertical;
}

.form-submit {
  width: 100%;
}

.form-note {
  margin: 1rem 0 0;
  font-size: 0.92rem;
}

.form-note.is-success {
  color: #047857;
}

.site-footer {
  background: #070b16;
  color: rgba(255, 255, 255, 0.82);
}

.footer-inner {
  padding: 2rem 0;
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer-brand img {
  width: 180px;
  margin-bottom: 0.9rem;
}

.footer-brand p,
.footer-meta p,
.footer-meta a {
  color: rgba(255, 255, 255, 0.66);
}

.footer-meta {
  text-align: right;
}

@media (max-width: 1320px) {
  .section-decor::before,
  .section-decor::after {
    display: none;
  }
}

@media (max-width: 1080px) {
  .services-grid,
  .quote-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-grid {
    grid-template-columns: 1fr 1fr;
  }

  .owner-card {
    grid-column: 2;
  }
}

@media (max-width: 900px) {
  .menu-toggle {
    display: inline-block;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 0.75rem);
    left: 1rem;
    right: 1rem;
    padding: 1rem;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.9);
    box-shadow: var(--shadow);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
  }

  .site-nav a {
    padding: 0.8rem 0.3rem;
  }

  .site-nav.is-open {
    display: flex;
  }

  .detail-grid,
  .detail-grid.reverse,
  .contact-layout,
  .stats-grid,
  .logo-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 700px) {
  .container {
    width: min(calc(100% - 1.25rem), var(--container));
  }

  .header-inner {
    min-height: 74px;
  }

  .brand-logo {
    width: 144px;
  }

  .hero {
    min-height: calc(100vh - 74px);
  }

  .section,
  .contact-section,
  .references {
    padding: 4rem 0;
  }

  .services-grid,
  .detail-grid,
  .detail-grid.reverse,
  .about-grid,
  .quote-grid,
  .contact-layout,
  .form-grid,
  .stats-grid,
  .logo-grid {
    grid-template-columns: 1fr;
  }

  .owner-card {
    grid-column: auto;
    max-width: 320px;
  }

  .image-pair img:nth-child(2) {
    transform: none;
  }

  .footer-inner {
    flex-direction: column;
  }

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