/* Reset & base */
html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  font-family: 'Times New Roman', Times, serif;
  line-height: 1.25;
  color: #111;
  background: #fff;
  transition: background 0.4s, color 0.4s;
  scroll-behavior: none;
}

/* Page */
.page {
  max-width: 900px;
  margin: 0 auto;
  padding: 18px 16px;
}

/* Header */
.top-container {
  /* margin-top: 10px; */
  /* padding: 10px; */
  text-align: center;
}
.heading {
  font-size: 28px;
  font-weight: bold;
  margin-bottom: 4px;
  text-transform: uppercase;
}
.contact {
  font-size: 14px;
  margin-top: 6px;
}
.links {
  display: inline-flex;
  gap: 18px;
  margin-top: 6px;
  font-size: 14px;
  align-items: center;
}

/* Sections */
section {
  margin: 20px 0;
  padding: 0 6px;
  text-align: left;
}
.section-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  text-transform: uppercase;
  color: #222;
  border-bottom: 2px solid #333;
  padding-bottom: 4px;
}
.data { font-size: 14px; }
ul { padding-left: 20px; }
li { margin-bottom: 8px; line-height: 1.25; }

/* Responsive */
@media (max-width: 700px) {
  .page { padding: 12px; }
  .heading { font-size: 20px; }
  .section-title { font-size: 16px; }
  .data { font-size: 13px; }
  .links { gap: 12px; align-items: flex-start; }
}

/* Download button */
#download-btn, #mode-btn {
  display: block;
  margin: 20px auto;
  background-color: #4CAF50;
  color: white;
  padding: 12px 24px;
  font-size: 16px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
}
#download-btn:hover, #mode-btn:hover {
  background-color: #45a049;
  transform: scale(1.05);
}
#download-btn:active, #mode-btn:active {
  background-color: #3e8e41;
  transform: scale(0.95);
}

#mode-btn, #mode-btn:hover {
  background: none;
  padding: 0;
  font-size: 30px;
}

/* Footer */
.footer {
  text-align: center;
  font-size: 13px;
  color: #555;
  margin: 20px 0;
  font-style: italic;
}

/* Floating hamburger button */
#menu-btn {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: #007bff;
  color: white;
  border: none;
  font-size: 22px;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  z-index: 10;
}

/* Overlay background */
#menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(198, 188, 188, 0.3);
  z-index: 9;
}

/* Bottom sheet menu */
#menu-panel {
  position: fixed;
  left: 0;
  right: 0;
  bottom: -100%;
  background: white;
  border-radius: 20px 20px 0 0;
  padding: 20px;
  box-shadow: 0 -4px 12px rgba(0,0,0,0.15);
  transition: bottom 0.3s ease;
  z-index: 10;
}

#menu-panel.active {
  bottom: 0;
}

#menu-overlay.active {
  display: block;
}

#menu-panel h3 {
  margin-top: 0;
  text-align: center;
  color: #007bff;
}

#menu-panel label {
  display: block;
  margin: 10px 0;
  font-size: 16px;
}