/* === GŁÓWNA NAWIGACJA === */
.main-nav {
  width: 100%;
  background: #ededed;
  border-bottom: 1.5px solid #d1d5db;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 40px 16px;
  margin: 0 auto;
  position: relative;
  z-index: 10;
  box-sizing: border-box;
}

/* Logo */
.nav-left { flex: 0 0 auto; }
.main-logo { height: 110px; }

/* Linki w centrum */
.nav-center {
  display: flex;
  gap: 36px;
  list-style: none;
  margin: 0;
  padding: 0;
  justify-content: center;
  flex: 1 1 0;
}
.nav-center li a {
  display: inline-block;
  text-decoration: none;
  color: #009B72;               /* zielony motyw */
  font-family: 'Poppins', Arial, sans-serif;
  font-weight: 600;
  font-size: 1.14rem;
  padding-bottom: 2px;          /* kompensacja podkreślenia */
  transition: color .2s;
}
.nav-center li a:hover,
.nav-center li a.active { color: #065b3a; }

.nav-center li a.active {
  padding-bottom: 0;            /* utrzymuje wysokość */
}

/* Prawa część  numer telefonu */
.nav-right { flex: 0 0 auto; display: flex; align-items: center; }
.phone-btn {
  background: #009B72;
  color: #fff;
  padding: 10px 24px;
  border-radius: 22px;
  font-weight: 700;
  font-size: 1.09rem;
  text-decoration: none;
  transition: background .18s;
  box-shadow: 0 2px 8px rgba(0, 155, 114, .12);
}
.phone-btn:hover { background: #037f5a; }

/* hamburger menu */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  position: relative;
  z-index: 1001;
}
.menu-toggle span {
  width: 22px;
  height: 2px;
  background: #009B72;
  transition: all .3s ease;
}
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }
.menu-toggle.active {
  position: fixed;
  top: 20px;
  right: 20px;
}
.menu-toggle.active span { background: #fff; }

/* === RESPONSYWNOŚĆ === */
@media (max-width: 900px) {
  .main-nav { flex-direction: column; padding: 10px 18px; gap: 8px; }
  .main-logo { height: 80px; }
  .nav-center { display: none; flex-direction: column; gap: 10px; width: 100%; }
  .nav-center.open {
    display: flex !important;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, .88);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 30px;
    z-index: 1000;
    padding: 20px;
    overflow-y: auto;
  }
  .nav-center.open li { width: 100%; text-align: center; }
  .nav-center.open li a {
    color: #009B72;
    font-size: 2.2rem;
    font-weight: 800;
    text-transform: uppercase;
  }
  .nav-center.open li a:hover { color: #065b3a; }
  .phone-btn { width: 100%; text-align: center; margin-top: 7px; }
  .menu-toggle { display: flex; align-self: center; }
}

/* Dodatkowe korekty układu */
@media (max-width: 800px) {
  .logo-box { margin-right: 0; margin-bottom: 6px; }
  .why-grid, .footer-grid { grid-template-columns: 1fr; gap: 18px; }
  .about-section, .why-section { padding: 30px 0 18px; }
}