* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: system-ui, -apple-system, sans-serif;
}

body {
  background: #f4f6f8;
  color: #222;
  line-height: 1.4;
}

/* Links */
a, a:visited, a:hover, a:active {
  text-decoration: none;
  color: inherit;
}

/* Header */
header {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: #0a9d8f;
  color: #fff;
}
header h1 {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  padding: 4px 8px;
  border-radius: 24px;
}
.menu {
  font-size: 4px;
  cursor: pointer;
}

/* Dropdown */
.dropdown {
  position: absolute;
  top: 55px;
  left: 12px;
  background: #fff;
  min-width: 180px;
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,.2);
  display: none;
  flex-direction: column;
  overflow: hidden;
  z-index: 999;
  animation: drop .25s ease;
}
@keyframes drop {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}
.dropdown a {
  padding: 12px 14px;
  color: #222;
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 14px;
}
.dropdown a:hover, .dropdown a.active {
  background: #007bff;
  color: #fff;
  border-radius: 5px;
}

/* Menu icons */
.menu-icon {
  width:14px;
  height: 24px;
  object-fit: contain;
}

/* Banner */
.banner img {
  width: 100%;
  display: block;
  border-radius: 10px;
  margin-bottom: 12px;
}

/* Section Title */
.section-title {
  padding: 12px 14px;
  font-weight: 600;
  font-size: 16px;
  margin-top: 10px;
}

/* Grid layout */
.grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding: 12px;
}

/* Responsive grids */
@media(max-width:1024px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
}
@media(max-width:768px) {
  .grid { grid-template-columns: repeat(3, 1fr); } /* tablet ও mobile tablet */
}
@media(max-width:280px) {
  .grid { grid-template-columns: repeat(3, 1fr); } /* মোবাইলেও 3 কলাম */
}

/* Cards */
.card {
  background: #fff;
  border-radius: 14px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0,0,0,.08);
  transition: transform .2s;
  width: 100%;
}
.card:hover { transform: translateY(-2px); }
.card img {
  width: 40px;
  height: 40px;
  margin-bottom: 6px;
}
.card h3 {
  margin: 6px 0;
  font-size: 16px;
  color: #007bff;
  text-align: center;
}
.card p {
  font-size: 13px;
  margin: 4px 0;
  text-align: center;
}

/* Call button inside card */
.call {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-top: 10px;
}
.call a {
  background: #28a745;
  color: #fff;
  padding: 6px 12px;
  border-radius: 20px;
  text-decoration: none;
  font-size: 13px;
}

/* Empty state */
.empty {
  text-align: center;
  background: #fff;
  padding: 30px;
  border-radius: 10px;
  margin-top: 20px;
}

/* Search Box */
.search-box {
  background: #fff;
  padding: 12px;
  border-radius: 8px;
  margin-bottom: 15px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.search-box input {
  flex: 1;
  min-width: 120px;
  padding: 8px;
  border-radius: 5px;
  border: 1px solid #ccc;
}
.search-box button {
  padding: 8px 15px;
  border: none;
  border-radius: 5px;
  background: #007bff;
  color: #fff;
  cursor: pointer;
  font-size: 14px;
}

/* Footer / Bottom nav */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  display: flex;
  background: #fff;
  box-shadow: 0 -1px 5px rgba(0,0,0,.1);
  z-index: 999;
}
.bottom-nav a {
  flex: 1;
  text-align: center;
  padding: 10px 0;
  font-size: 13px;
  color: #555;
}
.bottom-nav a.active {
  color: #0a9d8f;
  font-weight: 600;
}

/* Additional mobile tweaks */
@media(max-width:480px) {
  header h1 { font-size: 16px; padding: 3px 6px; }
  .menu { font-size: 22px; }
  .card img { width: 35px; height: 35px; }
  .card h3 { font-size: 14px; }
  .card p { font-size: 12px; }
  .search-box input { padding: 6px; font-size: 13px; }
  .search-box button { padding: 6px 10px; font-size: 13px; }
  .bottom-nav a { font-size: 12px; padding: 8px 0; }
}