/* Base / layout */
html {
  height: 100%;
  box-sizing: border-box;
  overflow-x: hidden;
}

*,
*:before,
*:after {
  box-sizing: inherit;
}

body {
  position: relative;
  margin: 0;
  padding-bottom: 6rem;
  min-height: 100%;
  overflow-x: hidden;
  font-family: "Helvetica Neue", Arial, sans-serif;
}

@media (max-width: 768px) {
  .w3-row-padding { padding-left: 0 !important; padding-right: 0 !important; }
  .w3-container { padding-left: 8px !important; padding-right: 8px !important; }
  header.w3-container { padding-left: 0 !important; padding-right: 0 !important; }
}

.demo {
  margin: 0 auto;
  padding-top: 64px;
  max-width: 640px;
  width: 94%;
}

.demo h1 { margin-top: 0; }

.footer {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 1rem;
  background-color: #efefef;
  text-align: center;
}

/* Scroll-triggered CTA banner — uses transform so fixed-element animation
   doesn't trigger layout and doesn't count against CLS. */
.pf-scroll-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, #0088D6, #0066a0);
  color: #fff;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  z-index: 9998;
  transform: translateY(100%);
  transition: transform .4s ease;
  will-change: transform;
  box-shadow: 0 -2px 12px rgba(0, 0, 0, .15);
  font-size: 14px;
}
.pf-scroll-cta.visible { transform: translateY(0); }
.pf-scroll-cta a {
  background: #fff;
  color: #0088D6;
  padding: 8px 18px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
  white-space: nowrap;
}
.pf-scroll-cta a:hover { background: #f0f0f0; }
.pf-scroll-cta a.pf-scroll-cta-secondary {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .5);
  color: #fff;
}
.pf-scroll-cta a.pf-scroll-cta-secondary:hover { background: rgba(255, 255, 255, .1); }
.pf-scroll-cta-close {
  background: none;
  border: none;
  color: rgba(255, 255, 255, .7);
  font-size: 20px;
  cursor: pointer;
  padding: 4px 8px;
  line-height: 1;
  flex-shrink: 0;
}
.pf-scroll-cta-close:hover { color: #fff; }

@media (max-width: 600px) {
  .pf-scroll-cta { flex-wrap: wrap; gap: 8px; padding: 10px 12px; font-size: 13px; text-align: center; }
  .pf-scroll-cta span { width: 100%; flex: none; }
  .pf-scroll-cta a { flex: 1; text-align: center; padding: 10px 8px; }
  .pf-scroll-cta-close { position: absolute; top: 4px; right: 4px; }
}

/* Language switcher pills — transform-based lift when scroll CTA is visible */
.pf-lang-pills {
  position: fixed;
  bottom: 16px;
  right: 16px;
  display: flex;
  gap: 6px;
  z-index: 9999;
  transform: translateY(0);
  transition: transform .4s ease;
  will-change: transform;
}
body.pf-cta-visible .pf-lang-pills { transform: translateY(-64px); }
.pf-lang-pill {
  padding: 4px 12px;
  border-radius: 20px;
  background: rgba(0, 0, 0, .6);
  color: rgba(255, 255, 255, .8);
  font-size: 12px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, .3);
  transition: all .15s ease;
}
.pf-lang-pill:hover { background: rgba(0, 0, 0, .8); color: #fff; }
.pf-lang-pill.active { background: rgba(0, 136, 214, .9); color: #fff; border-color: rgba(0, 136, 214, .5); }