:root {
  --bg: #f7fbfe;
  --text: #303033;
  --muted: #62666d;
  --dark: #303033;
  --dark-2: #3a3a3d;
  --blue: #2dabe2;
  --blue-dark: #188bc0;
  --red: #ed1c24;
  --red-dark: #c9141b;
  --accent: var(--red);
  --accent-dark: var(--red-dark);
  --card: #ffffff;
  --line: rgba(48, 48, 51, .12);
  --radius: 24px;
  --shadow: 0 24px 70px rgba(45, 171, 226, .16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, .9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.logo {
  display: inline-flex;
  align-items: center;
  width: 184px;
  height: 56px;
}
.logo img {
  display: block;
  width: 100%;
  height: auto;
}

.nav { display: flex; gap: 22px; color: var(--muted); font-weight: 600; font-size: 14px; }
.nav a:hover { color: var(--text); }
.header-cta { font-weight: 800; color: var(--red); }

.section { padding: 92px clamp(20px, 5vw, 72px); }
.hero {
  min-height: calc(100vh - 82px);
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr);
  align-items: center;
  gap: 56px;
  background:
    radial-gradient(circle at 82% 18%, rgba(237, 28, 36, .16), transparent 30%),
    radial-gradient(circle at 8% 82%, rgba(45, 171, 226, .18), transparent 34%),
    linear-gradient(135deg, #ffffff 0%, #eef8fd 100%);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue-dark);
  text-transform: uppercase;
  font-weight: 900;
  letter-spacing: .12em;
  font-size: 13px;
}

h1, h2, h3 { line-height: 1.08; margin: 0; }
h1 { max-width: 940px; font-size: clamp(42px, 7vw, 86px); letter-spacing: -.06em; }
h2 { font-size: clamp(34px, 5vw, 58px); letter-spacing: -.04em; }
h3 { font-size: 21px; letter-spacing: -.02em; }
.lead { max-width: 760px; margin: 26px 0 0; color: var(--muted); font-size: clamp(18px, 2vw, 22px); }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 900;
  transition: transform .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-dark); }
.btn-secondary { background: #fff; color: var(--text); border: 1px solid var(--line); }
.btn-secondary:hover { border-color: var(--blue); color: var(--blue-dark); }

.hero-card {
  min-height: 480px;
  border-radius: 34px;
  padding: 28px;
  background:
    linear-gradient(145deg, rgba(45,171,226,.82), rgba(237,28,36,.78)),
    url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?auto=format&fit=crop&w=1200&q=80') center/cover;
  box-shadow: var(--shadow);
  display: grid;
  align-content: end;
  gap: 12px;
}
.hero-card div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  padding: 18px 20px;
  background: rgba(255,255,255,.94);
  border-radius: 18px;
  border-left: 5px solid var(--red);
}
.hero-card div:nth-child(even) { border-left-color: var(--blue); }
.hero-card strong { font-size: 34px; line-height: 1; color: var(--red); }
.hero-card span { color: var(--muted); font-weight: 800; }

.split { display: grid; grid-template-columns: .75fr 1.25fr; gap: 56px; align-items: start; }
.text-box { font-size: 20px; color: var(--muted); }
.text-box p { margin: 0 0 20px; }

.dark { background: linear-gradient(135deg, var(--dark) 0%, #202f38 100%); color: #fff; }
.dark .eyebrow { color: var(--blue); }
.section-heading { max-width: 760px; margin-bottom: 36px; }
.benefits-grid, .services-grid { display: grid; gap: 18px; }
.benefits-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.services-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.benefit, .service {
  padding: 24px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
}
.benefit { background: var(--dark-2); border-color: rgba(255,255,255,.1); box-shadow: inset 4px 0 0 var(--blue); }
.benefit p { color: rgba(255,255,255,.72); }
.service p, .contact p { color: var(--muted); }
.benefit p, .service p { margin: 14px 0 0; }
.service { position: relative; overflow: hidden; }
.service::before {
  content: '';
  position: absolute;
  inset: 0 0 auto;
  height: 5px;
  background: linear-gradient(90deg, var(--blue), var(--red));
}

.contact {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 44px;
  align-items: center;
  background: #fff;
}
.contact-card {
  padding: 30px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #f7fbfe 0%, #eef8fd 100%);
  border: 1px solid var(--line);
}
.contact-link { display: block; font-size: 24px; font-weight: 900; margin-bottom: 10px; }

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 72px);
  background: var(--dark);
  color: rgba(255,255,255,.78);
}

@media (max-width: 1100px) {
  .hero, .split, .contact { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .services-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-card { min-height: 380px; }
}

@media (max-width: 760px) {
  .site-header { align-items: center; }
  .logo { width: 150px; height: auto; }
  .nav, .header-cta { display: none; }
  .section { padding: 68px 20px; }
  .hero { min-height: auto; }
  .benefits-grid, .services-grid { grid-template-columns: 1fr; }
  .footer { flex-direction: column; }
  .contact-link { font-size: 20px; }
}

.animated-title {
  animation: titleFloat 6s ease-in-out infinite;
  text-shadow: 0 10px 34px rgba(45, 171, 226, .10);
}

@keyframes titleFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.realizacje {
  background:
    radial-gradient(circle at 16% 18%, rgba(45, 171, 226, .12), transparent 28%),
    radial-gradient(circle at 86% 82%, rgba(237, 28, 36, .10), transparent 30%),
    #fff;
  overflow: hidden;
}

.realizacje-heading {
  max-width: none;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
}

.slider-controls {
  display: flex;
  gap: 12px;
}

.slider-btn,
.lightbox-arrow,
.lightbox-close {
  border: 0;
  cursor: pointer;
  font-family: inherit;
  font-weight: 900;
}

.slider-btn {
  width: 52px;
  height: 52px;
  border-radius: 999px;
  background: var(--dark);
  color: #fff;
  font-size: 34px;
  line-height: 1;
  transition: transform .2s ease, background .2s ease;
}

.slider-btn:hover {
  background: var(--red);
  transform: translateY(-2px);
}

.slider {
  margin: 0 calc(clamp(20px, 5vw, 72px) * -1);
  padding: 0 clamp(20px, 5vw, 72px);
}

.slider-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(300px, 31vw);
  gap: 18px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 6px 0 18px;
  scrollbar-width: none;
}

.slider-track::-webkit-scrollbar { display: none; }

.slide {
  border: 0;
  padding: 0;
  min-height: 360px;
  border-radius: 28px;
  overflow: hidden;
  background: #dfe8ee;
  box-shadow: 0 20px 46px rgba(48, 48, 51, .14);
  cursor: zoom-in;
  scroll-snap-align: start;
}

.slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease, filter .45s ease;
}

.slide:hover img {
  transform: scale(1.06);
  filter: saturate(1.08) contrast(1.04);
}

.slider-hint {
  margin: 16px 0 0;
  color: var(--muted);
  font-weight: 700;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 72px 96px;
  background: rgba(10, 12, 14, .88);
  backdrop-filter: blur(10px);
}

.lightbox.is-open { display: flex; }

.lightbox-img {
  max-width: min(1100px, 100%);
  max-height: 82vh;
  border-radius: 22px;
  box-shadow: 0 28px 90px rgba(0,0,0,.55);
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 28px;
  width: 52px;
  height: 52px;
  border-radius: 999px;
  background: #fff;
  color: var(--dark);
  font-size: 34px;
}

.lightbox-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 62px;
  height: 62px;
  border-radius: 999px;
  background: #fff;
  color: var(--dark);
  font-size: 44px;
  line-height: 1;
}

.lightbox-arrow:hover,
.lightbox-close:hover {
  background: var(--red);
  color: #fff;
}

.lightbox-prev { left: 28px; }
.lightbox-next { right: 28px; }
.no-scroll { overflow: hidden; }

@media (max-width: 760px) {
  .realizacje-heading { align-items: flex-start; flex-direction: column; }
  .slider-track { grid-auto-columns: 82vw; }
  .slide { min-height: 300px; }
  .lightbox { padding: 78px 18px; }
  .lightbox-arrow { width: 48px; height: 48px; font-size: 34px; }
  .lightbox-prev { left: 10px; }
  .lightbox-next { right: 10px; }
  .lightbox-close { top: 16px; right: 16px; }
}

/* Popup CTA Style */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}

.popup-overlay.is-active {
  display: flex;
}

.popup {
  background: #fff;
  padding: 40px;
  border-radius: 30px;
  position: relative;
  max-width: 450px;
  width: 100%;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.popup-overlay.is-active .popup {
  transform: translateY(0);
}

.popup-close {
  position: absolute;
  top: 15px;
  right: 15px;
  border: none;
  background: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--muted);
}

.popup-icon {
  font-size: 50px;
  margin-bottom: 20px;
}

.popup h3 {
  font-size: 24px;
  margin-bottom: 15px;
  color: var(--dark);
}

.popup p {
  margin-bottom: 25px;
  color: var(--muted);
}

.popup-btn {
  width: 100%;
  font-size: 18px;
}