*{box-sizing:border-box;font-family:Arial,Helvetica,sans-serif}
body{margin:0;background:#f2f2f2;color:#000}
.container{max-width:1200px;margin:auto;padding:12px 12px}
.header{position:fixed;top:0;width:100%;z-index:100;background:rgba(255,255,255,0.85);backdrop-filter:blur(6px)}
.header-inner{display:flex;justify-content:space-between;align-items:center}
.logo{font-weight:700;letter-spacing:2px}
.nav a{margin:0 15px;text-decoration:none;color:#000}
.burger{display:none;font-size:26px;cursor:pointer}

.hero{
  height:70vh;           /* PC */
  min-height:420px;
  background:url('../../hero.jpg') center/cover no-repeat;
  display:flex;
  align-items:center;
  justify-content:center;
}

@media (max-width: 768px){
  .hero{
    height:55vh;         /* mobil */
    min-height:340px;
  }
}

.hero-overlay{
  background:rgba(0,0,0,0.5);
  color:#fff;
  padding:50px;
  text-align:center;
  max-width:720px;
}

.logo img{
  height:80px;              /* PC výška loga */
  width:auto;
  display:block;
}

@media (max-width:768px){
  .logo img{
    height:60px;            /* mobil */
  }
}

.logo img{
  animation:fadeIn 4.2s ease;
}

.section.gray {
  background: #eaeaea;
}

.card {
  background: #ffffff;
  border-radius: 8px;
}

.header.shrink .logo img{
  height:38px;
}

section {
  scroll-margin-top: 90px;
}

@media (max-width: 768px) {
  section {
    scroll-margin-top: 80px;
  }
}

/* CONTACT */
.contact-card {
  padding: 60px;
  max-width: 100%;
}

.contact-card h2 {
  margin-bottom: 10px;
}

.contact-intro {
  color: #555;
  margin-bottom: 40px;
  max-width: 600px;
}

.contact-form {
  width: 100%;
}

.form-row {
  display: flex;
  gap: 20px;
  margin-bottom: 25px;
}

.form-row input,
.form-row textarea {
  width: 100%;
  padding: 16px 18px;
  border: 1px solid #ddd;
  font-size: 15px;
  transition: border-color 0.3s ease;
}

.form-row textarea {
  min-height: 140px;
  resize: vertical;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: #000;
}

.form-actions {
  flex-direction: column;
  align-items: flex-start;
}

.form-actions button {
  background: #000;
  color: #fff;
  padding: 14px 40px;
  border: none;
  cursor: pointer;
  font-size: 15px;
  transition: background 0.3s ease, transform 0.3s ease;
}

.form-actions button:hover {
  background: #222;
  transform: translateY(-2px);
}

#formMsg {
  margin-top: 15px;
  font-size: 14px;
  color: #000;
}

/* MOBILE */
@media (max-width: 768px) {
  .contact-card {
    padding: 40px 25px;
  }

  .form-row {
    flex-direction: column;
    gap: 15px;
  }
}

.locations{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:20px;
  margin-top:30px;
}

.gallery{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:15px;
  margin:30px 0;
}
.gallery img{
  width:100%;
  cursor:pointer;
  border:3px solid #000;
  transition:transform .4s ease;
}
.gallery img:hover{transform:scale(1.03)}

@media(max-width:768px){
  .gallery{grid-template-columns:1fr}
  .nav{display:none;flex-direction:column}
  .nav.active{display:flex}
  .burger{display:block}
}

.btn{display:inline-block;padding:14px 32px;background:#000;color:#fff;text-decoration:none}

.fade-in{animation:fadeIn 2.6s ease}
.fade-up{animation:fadeUp 2.2s ease}

@keyframes fadeIn{
  from{opacity:0}
  to{opacity:1}
}
@keyframes fadeUp{
  from{opacity:0;transform:translateY(40px)}
  to{opacity:1;transform:translateY(0)}
}

.lightbox{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.9);
  display:none;
  align-items:center;
  justify-content:center;
  z-index:200;
}
.lightbox img{
  max-width:85%;
  max-height:85%;
  border:4px solid #000;
}
.lb{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  background:none;
  border:none;
  color:#fff;
  font-size:48px;
  cursor:pointer;
}
.lb.prev{left:30px}
.lb.next{right:30px}


.section{
  margin-bottom:20px;
  position:relative;
}

.section::after{
  content:"";
  position:absolute;
  bottom:-10px;
  left:50%;
  width:40px;
  height:2px;
  background:#ddd;
  transform:translateX(-50%);
}