body {
  margin: 0;
  font-family:
  Arial,
  "Twemoji Mozilla",
  "Segoe UI",
  "Segoe UI Emoji",
  "Apple Color Emoji",
  "Noto Color Emoji",
  sans-serif;
  background: #f4f4f4;
  color: #222;
}
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: 300px;
  height: 100vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  background: #1f3b57;
  color: white;
  padding: 20px;
  box-sizing: border-box;
}
.sidebar h1 {
  font-size: 22px;
  margin-bottom: 25px;
}

.lang-switcher {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.lang-btn {
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.12);
  color: white;
  padding: 6px 10px;
  border-radius: 999px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
}

.lang-btn.active {
  background: #7ec8ff;
  color: #123;
}

.credit-link,
.credit-link:visited,
.credit-link:hover,
.credit-link:active {
  color: #fff;
  text-decoration: none;
}

.day-link:hover {
  background: rgba(255,255,255,0.18);
}
.day-link.active {
  background: rgba(255,255,255,0.24);
  border: 3px solid rgba(255,255,255,0.3);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.2);
}
.day-group {
  margin-bottom: 12px;
}
.day-group-label {
  padding: 12px 10px;
  margin-bottom: 6px;
  font-size: 15px;
  font-weight: 600;
  color: #eaf2ff;
  border-left: 3px solid #7ec8ff;
  background: rgba(255,255,255,0.08);
  border-radius: 8px;
}
.submenu {
  margin-left: 12px;
  margin-bottom: 10px;
}
.submenu .day-link {
  background: rgba(255,255,255,0.05);
  font-size: 13px;
  padding: 10px 12px;
  margin-bottom: 6px;
}
.hero-image {
  width: 100%;
  border-radius: 14px;
  margin: 20px 0;
  max-height: 420px;
  object-fit: cover;
}
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit,minmax(220px,1fr));
  gap: 15px;
  margin-top: 20px;
}
.gallery img {
  width: 100%;
  border-radius: 12px;
  height: 180px;
  object-fit: cover;
}

img {
  max-width: 300px;
  width: 100%;
  height: auto;
}

.main {
  margin-left: 320px;
  padding: 40px;
}
.day-section {
  display: none;

  background: white;
  border-radius: 16px;
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.day-section.active {
  display: block;
}
.home {
  display: block;
}
.back-btn {
  display: inline-block;
  background: #1f3b57;
  color: white;
  padding: 10px 18px;
  border-radius: 8px;
  text-decoration: none;
  cursor: pointer;
  margin-top: 20px;
}
.card {
  background: #fafafa;
  border-left: 5px solid #1f3b57;
  padding: 18px;
  margin: 20px 0;
  border-radius: 10px;
  width: 90%;
  max-width: 1000px;
  box-sizing: border-box;
}
@media(max-width:900px){
  .sidebar{
    position:relative;
    width:100%;
    height:auto;

  .sidebar-slideshow{
    height:160px;
  }

  }
  .main{
    margin-left:0;
  }

  .card {
    padding: 14px;
    width: 95%;
    margin: 12px auto;
  }  
}
.day-link {
  display: block;
  background: rgba(255,255,255,0.08);
  padding: 14px;
  margin-bottom: 12px;
  border-radius: 10px;
  cursor: pointer;
  transition: 0.2s;
  color: white;
  font-size: 16px;
  font-family:
    Arial,
    "Segoe UI",
    "Segoe UI Emoji",
    "Apple Color Emoji",
    "Noto Color Emoji",
    sans-serif;
}

.sidebar-slideshow{
  width:100%;
  height:180px;
  margin-bottom:20px;
  overflow:hidden;
  border-radius:14px;
}

.sidebar-slideshow img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition:opacity 1s ease-in-out;
}

.site-version {
    display: block;
    text-align: center;
    font-size: 11px;      /* optional */
    margin-top: 3px;      /* optional */
    opacity: 0.8;         /* optional */
}

.tour-countdown {
    text-align: center;
    font-weight: bold;
    font-size: 14px;
    margin: 8px 0 12px 0;
}