/* Prevent padding from causing overflow */
*, *::before, *::after { box-sizing: border-box; }

html, body { height: 100%; }

body { margin:0; font-family: 'Poppins', sans-serif; }

header {
  position: fixed;
  top:0;
  left:0;
  right:0;
  width:100%;
  background: transparent;
  padding:0.5rem 1rem;
  display:flex;
  align-items:center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  z-index:2000;
 
}


header h1 {
    margin-bottom: 20px;
    font-family: 'Poppins', sans-serif;
    font-size: 1.2rem; /* 40px/16=2.5em */
    font-weight: normal;
    letter-spacing: 8px;
    text-align: center;
}

header h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 0.8rem; /* 40px/16=2.5em */
    font-weight: normal;
    letter-spacing: 2px;
}

header button {
    margin-top: 1rem;
    padding: 0.8rem 1rem;
    background: #0077cc;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

h1 {
  
    font-family: 'Poppins', sans-serif;
    font-size: 1.2rem; /* 40px/16=2.5em */
    font-weight: bold;
    letter-spacing: 4px;
    text-align: center;
}

h2 {
    margin: 0 0 0.5rem 0;
    font-family: 'Poppins', sans-serif;
    font-size: 1.0rem; /* 40px/16=2.5em */
    font-weight: normal;
    letter-spacing: 2px;
    text-align: center;
}

.top-bar a:hover, .top-bar button:hover {
    background: #ccc;
}

section {
    background: #fff;
    padding: 1.0rem;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    margin-bottom: 20px;
}

section img {
    max-width: 100%;
    border-radius: 6px;
    margin-bottom: 1rem;
    
    display:block;
    margin-left:auto;
    margin-right:auto;
}

/* Desktop: horizontal bar */
@media (min-width:768px) {
  
  #backBtnHeader { font-size:1rem; }
}


.menu-toggle {
  font-size:2rem;
  color: black;
  background:none;
  border:none;
  cursor:pointer;
  
  margin-top: 40px;
  position: absolute;
  left: 1rem;
}

/* Base nav menu (mobile dropdown) */
#navMenu {
  display: none;
  position: absolute;
  top:3rem;
  left:1rem;
  background: rgba(255,255,255,0.95);
  border-radius: 4px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}
#navMenu.active { display: block; }
#navMenu ul {
  list-style:none;
  margin:0;
  padding:0;
}
#navMenu li { padding:0.5rem 1rem; }
#navMenu a {
  color:black;
  text-decoration:none;
}

/* Desktop: horizontal bar */
@media (min-width:768px) {
  .menu-toggle { display:none; }
  #navMenu {
    display:block;
    position:static;
    background:transparent;
    box-shadow:none;
  }
  #navMenu ul {
    display:flex;
    gap:2rem;
  }
  #navMenu li { padding:0; }
}

/* Main area: vertically centered when there's extra height, but scrolls when taller */
.page-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1rem;
}

/* This block is what gets centered vertically when there is extra space */
.center-when-room {
    margin-block: auto;             /* pushes block to vertical center if there's room */
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;            /* keep inner content centered horizontally wrapper-wise */
    gap: 1rem;
}



main {
    width: 100%;
    max-width: 800px;               /* desktop reading width */
    margin: 0 auto;                 /* horizontal centering */
    /*text-align: left;*/
}

main img {
    display: block;
    max-width: 100%;                /* never exceed container */
    height: auto;
    margin-bottom: 1rem;
    border-radius: 6px;
}

main p {
    font-size: 1.1rem;
    line-height: 1.6;
    overflow-wrap: anywhere;        /* prevent long words/URLs from causing overflow */
    margin: 0;
}

main a {
    display: inline-block;
    margin-top: 1rem;
    color: blue;
    text-decoration: none;
}

#langBtn {
    padding: 0.5rem 1rem;
    font-size: 1rem;
    cursor: pointer;
    align-self: center;             /* centered under content */
}

/* Mobile: hamburger + dropdown below, no overflow */
@media (max-width: 768px) {
    
    header {
        
        justify-content: flex-start;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .menu-bar {
        justify-content:flex-start;
    }
    
    
    #navMenu ul {
        display: none;                       /* hidden until toggle */
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        background: #f9f9f9;
        width: 180px);             /* fit within viewport */
        border-radius: 4px;
        padding: 0.5rem 0;
        box-shadow: 0 4px 12px rgba(0,0,0,0.12);
        
    }
    
    #navMenu.active ul {
        
        display: flex;
    }
    
    #navMenu a {
        padding: 0.5rem 1rem;
        display: block;
        text-decoration:none;
        font-weight:500;
    }
    
}

/* Grids */
.grid {
    display: grid;
    grid-template-columns: repeat(3);
    gap: 0.5rem;
    margin-top: 1rem;
}

.grid img {
    width: 100%;
    display: block;
}

.grid2 {
    width: 100%;
    display: block;
}

.caption_home_thumbnail {
    text-decoration: none;
    font-family: 'Poppins', sans-serif;
    font-size: 0.5rem;
    text-align: center;
    font-weight: normal;
    letter-spacing: 2px;
}

/* Photo overlay */
.photo-page {
display: none;
position: fixed;
inset: 0;
background: #111;
overflow: auto;

z-index: 9999;
}
.photo-page.active { display: flex; }

/* Container to center image in Fit mode */
.photo-container {
display: flex;
width: 100%;
justify-content: center;
align-items: center;
}
/* Zoom mode: top-left anchor */
.photo-page.zoom .photo-container {
justify-content: flex-start;
align-items: flex-start;
}
.photo-page,
#fullImage {
touch-action: pan-x pan-y; /* allow scrolling, block pinch-zoom */
}

/* Fixed buttons stay at viewport corners */
.photo-btn {
position: fixed;
top: 1rem;
font-size: 1.0rem;
font-weight: bold;
color: white;
background: rgba(0, 0, 0, 0.35);
border: none;
border-radius: 4px;
padding: 0.3rem 0.8rem;
cursor: pointer;
z-index: 1001; /* Make sure they appear above the image */
transition: background 0.2s ease;
text-decoration: none;
}
.photo-btn.back { left: 1rem; }
.photo-btn.toggle { right: 1rem; }

/* === Photo overlay navigation buttons === */
.photo-btn.prev,
.photo-btn.next {
position: fixed;
top: 50%;
transform: translateY(-50%);
width: 4rem;
font-size: 2.0rem;
font-weight: bold;
color: white;
background: rgba(0, 0, 0, 0.35);
border: none;
border-radius: 4px;
padding: 0.3rem 0.8rem;
cursor: pointer;
z-index: 1001; /* Make sure they appear above the image */
transition: background 0.2s ease;
}

/* Left and right placement */
.photo-btn.prev {
left: 10px;
}
.photo-btn.next {
right: 10px;
}

/* Hover / active states for desktop */
.photo-btn.prev:hover,
.photo-btn.next:hover {
background: rgba(0, 0, 0, 0.6);
}

/* Hide text selection when tapping */
.photo-btn.prev,
.photo-btn.next {
-webkit-user-select: none;
user-select: none;
}

/* Optional: make them larger & easier to tap on mobile */
@media (max-width: 768px) {
.photo-btn.prev,
.photo-btn.next {
font-size: 2rem;
padding: 0.6rem 1rem;
background: rgba(0,0,0,0.45);
}
}


/* Large image with smooth transition */
#fullImage {
display: block;
max-width: none;
height: auto;
transition: width 0.4s ease, height 0.4s ease;
}

/* Page-level back button */
.back-btn, .toggle-btn {
display:inline-block; margin-bottom:1rem; padding:0.5rem 1rem;
background:transparent; color:white; text-decoration:none; border-radius:4px;
}

.back-btn, .toggle-btn {
position: fixed;
top: 1rem;

border: none;
border-radius: 4px;
font-weight: bold;
font-size: 1rem;
z-index: 1000;
}

.back-btn { left: 1rem; }
.toggle-btn { right: 1rem; }
}

/* Carousel */
.carousel {
position: relative;
overflow: hidden;
width: 100%;
max-height: 400px;
}

.carousel img {
width: 100%;
display: none;
object-fit: cover;
}

.carousel img.active {
display: block;
transition: opacity 1s;
}

.asym-gallery {
display: grid;
/* First two cols together = Big's width, each = half */
grid-template-columns: 1fr 1fr 1fr;
grid-auto-rows: 200px; /* size of small square */
gap: 4px;
margin: 0 8px;
grid-template-areas:
"big big side1"
"big big side2"
"bottom1 bottom2 bottom3";
}

.asym-gallery img {
width: 100%;
height: 100%;
object-fit: cover;
display: block;
cursor: pointer;
}

.big     { grid-area: big; }
.side1   { grid-area: side1; }
.side2   { grid-area: side2; }
.bottom1 { grid-area: bottom1; }
.bottom2 { grid-area: bottom2; }
.bottom3 { grid-area: bottom3; }

@media (max-width: 600px) {
.asym-gallery { grid-auto-rows: 120px; }
}
@media (max-width: 400px) {
.asym-gallery { grid-auto-rows: 90px; }
}

/* Back button */
.back-btn {
position: fixed;
top: 1rem;
left: 1rem;
display: flex;
align-items: center;
gap: 0.4rem;
padding: 0.5rem 0.8rem;
background: rgba(0,0,0,0.6);
color: white;
font-size: 1rem;
font-family: system-ui, sans-serif;
border: none;
border-radius: 6px;
cursor: pointer;
z-index: 1001;
transition: opacity 0.3s ease;
}

.back-btn.hidden {
opacity: 0;
pointer-events: none;
}

.back-btn svg {
width: 1.8em;
height: 1.8em;
fill: currentColor;
}


/* Hover & tap feedback */
.back-btn:hover {
background: rgba(0,0,0,0.8);
}
.back-btn:active {
transform: scale(0.95);
}

/* Hide the "Back" text on small screens */
@media (max-width: 768px) {
.back-btn span {
display: none;
}
}