:root{
  --bg: #070a12;
  --panel: rgba(255,255,255,.07);
  --panel-2: rgba(255,255,255,.05);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.72);
  --border: rgba(255,255,255,.12);
  --shadow: 0 18px 60px rgba(0,0,0,.55);
  --radius: 18px;
  --radius-sm: 14px;
}

*{ box-sizing: border-box; }
html,body{ margin:0; padding:0; }
img{ max-width: 100%; height: auto; display: block; }

body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  line-height: 1.55;

  background:
    radial-gradient(900px 520px at 15% 0%, rgba(99,102,241,.40), transparent 60%),
    radial-gradient(900px 520px at 85% 5%, rgba(16,185,129,.28), transparent 62%),
    radial-gradient(700px 420px at 50% 100%, rgba(236,72,153,.18), transparent 60%),
    var(--bg);
}

.container{
  width: min(980px, 92vw);
  margin: 0 auto;
}

/* Header */
header{
  padding: 56px 0 18px;
  text-align: center;
}

.topbar{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  text-align: left; /* override header center */
}

@media (max-width: 520px){
  .topbar{
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }
}

/* Badge */
.badge{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .25px;
}

/* Language button */
.lang-btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;

  border: 1px solid rgba(255,255,255,.14);
  background: linear-gradient(180deg, rgba(255,255,255,.10), rgba(255,255,255,.06));
  color: rgba(255,255,255,.86);
  padding: 9px 14px;
  border-radius: 999px;
  cursor: pointer;

  box-shadow: 0 14px 38px rgba(0,0,0,.30);
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}

.lang-btn:hover{
  transform: translateY(-1px);
  border-color: rgba(255,255,255,.22);
  background: linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.08));
}

.lang-btn:active{
  transform: translateY(0px);
}

.lang-btn:focus-visible{
  outline: 2px solid rgba(255,255,255,.35);
  outline-offset: 2px;
}

@media (max-width: 520px){
  .lang-btn{ width: 100%; justify-content: center; }
}

h1{
  margin: 0;
  font-size: clamp(34px, 4.8vw, 54px);
  letter-spacing: -0.5px;
  line-height: 1.08;
}

.subtitle{
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 16px;
}

/* Main layout */
main{
  padding: 14px 0 48px;
  display: grid;
  gap: 16px;
}

/* Cards (glass) */
.card{
  background: linear-gradient(180deg, rgba(255,255,255,.09), rgba(255,255,255,.05));
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

h2{
  margin: 0 0 12px;
  font-size: 20px;
  letter-spacing: .2px;
}

.text{
  margin: 12px 0 0;
  color: var(--muted);
  max-width: 72ch;
}

.grid-2{
  display: grid;
  gap: 12px;
}

.grid-2 p{
  margin: 10px 0;
}

@media (min-width: 720px){
  .grid-2{ grid-template-columns: 1fr 1fr; }
}

/* Links */
a{
  color: rgba(255,255,255,.92);
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:hover{
  text-decoration-thickness: 2px;
}

a:focus-visible{
  outline: 2px solid rgba(255,255,255,.32);
  outline-offset: 2px;
  border-radius: 8px;
}

/* ====== Photos: carousel on mobile, grid on desktop ====== */
.gallery{
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding: 4px 4px 10px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

/* scrollbar (optional) */
.gallery::-webkit-scrollbar{ height: 8px; }
.gallery::-webkit-scrollbar-thumb{
  background: rgba(255,255,255,.14);
  border-radius: 999px;
}
.gallery::-webkit-scrollbar-track{
  background: rgba(255,255,255,.06);
  border-radius: 999px;
}

.gallery figure{
  margin: 0;
  flex: 0 0 85%;
  scroll-snap-align: center;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.20);
  box-shadow: 0 14px 40px rgba(0,0,0,.35);
}

.gallery img{
  width: 100%;
  height: 280px;
  object-fit: cover;
  object-position: center;
  transform: scale(1.001);
  transition: transform .25s ease, filter .25s ease;
}

.gallery figure:hover img{
  transform: scale(1.03);
  filter: contrast(1.06) saturate(1.05);
}

/* Desktop: grid */
@media (min-width: 720px){
  .gallery{
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    overflow: visible;
    padding: 0;
  }

  .gallery figure{
    flex: initial;
    scroll-snap-align: initial;
  }

  .gallery img{
    height: 220px;
  }
}

/* Hint */
.hint{
  margin: 12px 0 0;
  color: rgba(255,255,255,.62);
  font-size: 13px;
}

code{
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  padding: 2px 6px;
  border-radius: 10px;
}

/* QR area */
.qr-grid{
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

@media (min-width: 720px){
  .qr-grid{ grid-template-columns: 1fr 1fr; }
}

.qr-card{
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(0,0,0,.18);
  border-radius: var(--radius);
  padding: 14px;
  text-align: center;
  box-shadow: 0 14px 40px rgba(0,0,0,.35);
}

.qr-card h3{
  margin: 4px 0 10px;
  font-size: 16px;
  letter-spacing: .2px;
}

.qr{
  width: min(270px, 72vw);
  margin: 8px auto 0;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: #fff;
  padding: 12px;
  box-shadow: 0 10px 26px rgba(0,0,0,.25);
}

.small{
  margin: 10px 0 0;
  color: rgba(255,255,255,.70);
  font-size: 13px;
}

/* Footer */
.footer{
  padding: 18px 0 46px;
  text-align: center;
  color: rgba(255,255,255,.68);
}

/* Motion preferences */
@media (prefers-reduced-motion: reduce){
  .lang-btn, .gallery img{ transition: none !important; }
}