.hidden {
  display: none;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
}

header {
  position: sticky;
  top: 0;
  background-color: #000;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.logo-wrapper {
transition-duration: 1s;
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(-5%);
  z-index: 15;
}

.logo-wrapper img {
transition-duration: 1s;
  height: clamp(60px, 9vw, 90px);
}

.scrolled .logo-wrapper {
    transition-duration: 1s;
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(-20%);
  z-index: 15;
}


.scrolled .logo-wrapper img {
    transition-duration: 1s;
  height: 4vw;
}


/* Navigace */
.nav-left {
  position: absolute;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 clamp(30px, 8vw, 100px); /* mezera mezi odkazy a krajem/centrem */
  max-width: 100%;
}

.nav-left a {
  color: #a3a3a3;
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  transition: color 0.3s;
}

.nav-left a:hover {
  color: #ffffff;
}

/* Hamburger menu */
.hamburger {
  display: none;
  position: absolute;
  right: 20px;
  font-size: 28px;
  color: white;
  cursor: pointer;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .nav-left {
    flex-direction: column;
    background-color: #000;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    display: none;
    gap: 20px;
    padding: 20px;
    z-index: 999;
  }

  .nav-left.active {
    display: flex;
  }

  .logo-wrapper img {
  height: 80px;
}

.scrolled .logo-wrapper img {
    transition-duration: 1s;
  height: 70px;
}

.scrolled .logo-wrapper {
transition-duration: 1s;
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(-5%);
  z-index: 15;
}

  .hamburger {
    display: block;
  }
}


.containeer {
  max-width: 1400px;
  margin: auto;
  padding: 40px 20px;
}

.slider-section {
  background-color: #FFCE02;
  width: 100vw;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}

.slider-section .column h2,
.slider-section .column p {
  color: #000;
}

.intro {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 80px;
  flex-wrap: wrap;
}

.intro-text {
  flex: 1 1 50%;
}

.intro-text h1 {
  font-size: 2.5em;
  margin-bottom: 20px;
}

.intro-text p {
  font-size: 1.2em;
  color: #555;
}

.intro-img {
  flex: 1 1 45%;
}

.intro-img img {
  width: 100%;
}

.two-columns {
  display: flex;
  gap: 40px;
  justify-content: space-between;
  flex-wrap: wrap;
}

.column {
  flex: 1 1 48%;
  box-sizing: border-box;
}

.column h2 {
  font-size: 1.8em;
  margin-bottom: 10px;
  color: #111;
}

.column p {
  font-size: 1em;
  color: #555;
  margin-bottom: 20px;
}

.slider {
  position: relative;
  overflow: hidden;
  width: 100%;
  height: 450px;
}

.slides {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.slide {
  min-width: 100%;
  box-sizing: border-box;
}

.slide img {
  width: 100%;
  height: 450px;
  object-fit: cover;
  cursor: pointer;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.slide img:hover {
  transform: scale(1.02);
  opacity: 0.9;
}

.prev, .next {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  font-size: 2em;
  background-color: #FFCE02;
  color: white;
  padding: 10px;
  cursor: pointer;
  user-select: none;
}

.prev { left: 10px; }
.next { right: 10px; }

.lightbox {
  display: none;
  position: fixed;
  z-index: 9999;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.85);
  align-items: center;
  justify-content: center;
}

.lightbox img {
  max-width: 90%;
  max-height: 90%;
  border-radius: 10px;
}

.lightbox .close {
  position: absolute;
  top: 20px;
  right: 30px;
  font-size: 40px;
  color: white;
  cursor: pointer;
}


.footer {
  background-color: #1c1c1c;
  color: #aaa;
  padding: 80px 20px 40px;
  position: relative;
  font-size: 13px;
  font-family: 'Inter', sans-serif;
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
}

.footer-logo {
  text-align: center;
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}

.footer-logo img {
  height: 80px;
}

.footer-col-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 40px;
  margin-top: 10px;
  margin-bottom: 180px;
}

.footer-col {
  flex: 1 1 250px;
}

.footer-col h3 {
  font-size: 16pt;
  margin-bottom: 12px;
  color: #fff;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col ul li {
  margin-bottom: 18px;
  color: #aaa;
  font-size: 13px;
}

.footer-col a {
  color: #aaa;
  text-decoration: none;
  font-size: 13px;
}

.footer-col a:hover {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 16px;
  font-size: 12px;
  color: #aaa;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
}

.footer-bottom a {
  color: #aaa;
  text-decoration: none;
  margin: 0 6px;
  font-size: 12px;
}

.footer-bottom a:hover {
  color: #fff;
}

@media (max-width: 768px) {
  .footer-col-group {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-col {
    flex: 1 1 100%;
  }

  .footer-logo img {
    height: 50px;
  }
}