html, body {
  height: 100%;
  min-height: 100%;
  margin: 0; padding: 0;
  font-family: 'Segoe UI', 'Inter', Arial, sans-serif;
  background: url('https://images.unsplash.com/photo-1465101046530-73398c7f28ca?auto=format&fit=crop&w=1920&q=80') no-repeat center center fixed;
  background-size: cover;
  background-color: #eaf6ef;
}
body:before {
  content: "";
  position: fixed;
  z-index: 0;
  top:0;left:0;right:0;bottom:0;
  background: rgba(238,245,238,0.80);
  backdrop-filter: blur(3px);
  pointer-events: none;
}
.container {
  position: relative;
  z-index: 1;
  background: rgba(255,255,255,0.76);
  box-shadow: 0 4px 32px #1112;
  border-radius: 18px;
  margin: 3em auto;
  padding: 2.2em 2em 2.5em 2em;
  max-width: 500px;
  min-width: 0;
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  align-items: center;
}
header, .navbar {
  position: relative;
  z-index: 2;
}
.navbar {
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgba(246,255,250,0.7);
  box-shadow: 0 1px 10px #0001;
  border-radius: 10px;
  padding: .7em 1.4em;
  margin: 1.3em auto 1.8em auto;
  gap: 1.2em;
  max-width: 98vw;
}
.nav-link {
  color: #248b5a;
  text-decoration: none;
  font-weight: 500;
  padding: 0.25em 0.9em;
  border-radius: 7px;
  font-size:1em;
  transition: background 0.18s;
}
.nav-link:hover,
.nav-link.active {
  background: rgba(36,139,90,0.11);
  color: #1b6040;
}
.brand {
  margin-right: 1.6em;
  letter-spacing: 0.01em;
}
.lang-switch {
  margin-left: auto;
  display: flex;
  align-items: center;
}
.lang-flag {
  width: 28px;
  height: 20px;
  cursor: pointer;
  border: 1.5px solid #e0e0e0;
  border-radius: 6px;
  background: #fff;
  margin-left: 8px;
  transition: border 0.16s;
}
.lang-flag.active {
  border: 2px solid #248b5a;
}
h1, h2, h3 {
  font-family: inherit;
  font-weight: 700;
  letter-spacing: -.01em;
  margin-top: 0;
  text-align:center;
}
h1 {
  font-size: 2em;
  color: #1b6040;
  margin-bottom: .35em;
}
h2 {
  font-size: 1.25em;
  margin: 2.2em 0 .7em 0;
  color: #248b5a;
}
h3 {
  color: #355;
  font-size: 1.05em;
}
section {
  width: 100%;
  margin: 0 0 2em 0;
}
.info-box, .glass-card {
  background: rgba(255,255,255,0.83);
  border-radius: 12px;
  box-shadow: 0 1px 10px #0002;
  padding: 1.1em 1em;
  margin-bottom: 1.5em;
  width: 100%;
}
#fact-box, #action-box {
  min-height: 60px;
  font-size:1.09em;
  color: #246;
  text-align:center;
}
#action-box { color: #2d45b2;background:#e4e8f7;}
#fact-box { color: #246;background:#e4f7ed;}
button, .button {
  padding: .52em 1.2em;
  border-radius: 7px;
  background:#248b5a;
  color:#fff;
  border:none;
  font-size:1em;
  cursor:pointer;
  font-weight: 600;
  margin:.8em 0 0 0;
  transition:background .16s;
}
button:hover, .button:hover {
  background:#1b6040;
}
ul {
  list-style: none;
  padding: 0;
}
footer {
  margin-top:2em;
}
@media (max-width: 650px) {
  .container { padding: 1.2em 0.2em; margin: 1em auto;}
  .navbar { flex-wrap:wrap;gap:.6em;padding:.6em 0.4em;}
}