body {
  margin: 0;
  padding: 0;
  background: transparent;
  font-family: 'Inter', sans-serif;
  color: #222;
}

html, body {
  height: 100%;
  margin: 0;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

.container2 {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
  margin-top: -70px;
}

header {
  height: 100px;
  padding: 0;
  background: rgba(255, 255, 255, 0.7);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 10;
  display: flex;
  align-items: center;
  border-bottom: 1px solid #000;
}

.nav-container {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
}

.logo {
  font-weight: 600;
  font-size: 1.5em;
}

.logo img {
  height: 60px;
  vertical-align: middle;
}

.nav {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 20px;
}

.nav li a {
  text-decoration: none;
  color: #243352;
  font-size: 16px;
  font-weight: bold;
  transition: color 0.3s ease;
}

.nav li a:hover {
  color: #0077cc;
}

.hero {
  background: linear-gradient(to right, #0077cc, #00aaff);
  color: white;
  padding: 80px 20px;
  text-align: center;
}

.section {
  padding: 60px 20px;
  margin-top: 50px;
}

.section.alt {
  background-color: #f9f9f9;
}

.section.compact {
  padding-top: 10px;
}

h2 {
  margin-bottom: 20px;
}

form input,
form textarea {
  width: 100%;
  padding: 10px;
  font-size: 1em;
  margin-top: 5px;
  border: 1px solid #ccc;
  border-radius: 6px;
}

form button {
  padding: 10px 20px;
  background-color: #0077cc;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 1em;
  cursor: pointer;
}

form button:hover {
  background-color: #005fa3;
}

.page-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.content {
  flex: 1;
}

footer {
  background-color: #243352;
  color: white;
  text-align: center;
  padding: 10px;
}

/* === SLIDER === */

.slider {
  position: relative;
  width: 100%;
  height: 800px;
  overflow: hidden;
}

.slide {
  position: absolute;
  width: 100%;
  height: 800px;
  top: 0;
  left: 0;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.slide.active {
  opacity: 1;
  z-index: 1;
}

.slide img {
  width: 100%;
  height: 800px;
  object-fit: cover;
}

.slide-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #f5f5f5;
  font-size: 38px;
  font-weight: bold;
  text-align: center;
  text-shadow: 3px 3px 12px rgba(0, 0, 0, 0.9);
  z-index: 2;
}
.slide-text2 {
  position: absolute;
  top: 56%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #f5f5f5;
  font-size: 18px;
  text-align: center;
  text-shadow: 3px 3px 12px rgba(0, 0, 0, 0.9);
  z-index: 2;
}
.slider-button {
  position: absolute;
  bottom: 50px;
  left: 50%;
  transform: translateX(-50%);
  background-color: #243352;
  color: #fff;
  padding: 15px 30px;
  font-size: 18px;
  border: none;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  z-index: 2;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.slider-button:hover {
  background-color: #0077cc;
  transform: translateX(-50%) scale(1.05);
}

/* === INNE SEKCJE === */

.gap-section {
  background-color: #F5F5F5;
  height: 20px;
}

.zalety {
  background-color: #F5F5F5;
  color: #243352;
  padding: 60px 20px;
}

.etapy-realizacji {
  background-color: #243352;
  color: #fff;
  padding: 60px 20px;
  text-align: center;
}

.etapy-realizacji h2 {
  font-size: 32px;
  margin-bottom: 40px;
  text-transform: uppercase;
}

.etapy-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
}

.etap {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.etap img {
  width: 100px !important;
  display: block !important;
  margin: 0 auto 5px auto !important;
  padding: 0 !important;
  float: none !important;
}

.etap h3 {
  font-size: 18px;
  font-weight: 600;
  color: #F5F5F5;
  margin-top: 1px;
}

.etap p {
  font-size: 15px;
  line-height: 1.6;
  color: #F5F5F5;
  margin-top: -10px;
}
@media (max-width: 768px) {
  .nav {
    flex-direction: column;
    gap: 10px;
    background-color: rgba(255, 255, 255, 0.9);
    position: absolute;
    top: 100px;
    right: 0;
    width: 100%;
    padding: 10px 20px;
  }

  .slider, .slide, .slide img {
    height: 400px;
  }
  .slide-text {
    font-size: 24px;
  }
  .slide-text2 {
    font-size: 14px;
  }

  .section {
    padding: 30px 10px;
    margin-top: 30px;
  }
  .zalety {
    padding: 30px 10px;
  }
  .etapy-realizacji {
    padding: 30px 10px;
  }
}

@media (max-width: 480px) {
  .slider, .slide, .slide img {
    height: 250px;
  }
  .slide-text {
    font-size: 18px;
  }
  .slide-text2 {
    font-size: 12px;
  }

  .etap img {
    width: 60px !important;
  }
}
@media (max-width: 768px) {
  .etapy-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 480px) {
  .etapy-grid {
    grid-template-columns: 1fr;
  }
}