/* Reset & font */
html, body {
  margin: 0;
  padding: 0;
  font-family: 'Poppins', Arial, sans-serif;
  color: #e0e0e0;
  line-height: 1.8;
  width: 100%;
  min-height: 100vh;
}

/* Page background */
body {
  background: linear-gradient(120deg, #1e1e1e 60%, #0bd2a2 120%);
  position: relative;
}

/* Logo background */
body::before {
  content: "";
  background: url('B2BLOGOtransparent.png') no-repeat center center;
  background-size: 700px;
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  opacity: 0.08;
  z-index: 0;
  pointer-events: none;
}

/* Header */
header {
  background: rgba(20,20,20,0.97);
  padding: 20px 0 10px;
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 20;
  box-shadow: 0 4px 18px rgba(11, 210, 162, 0.12);
}

header h1 {
  font-size: 2.4em;
  color: #00ffb3;
  margin: 0 0 10px;
}

nav a {
  color: #00ffb3;
  margin: 0 22px;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.5px;
  font-size: 1.09em;
  transition: color 0.2s;
  border-radius: 4px;
  padding: 7px 16px;
}

nav a:hover {
  background: #00ffb3;
  color: #101010;
}

/* Content */
.about {
  max-width: 800px;
  margin: 50px auto;
  padding: 0 20px;
  text-align: center;
}

.about h2 {
  color: #00ffb3;
  font-size: 2em;
  margin-bottom: 10px;
  position: relative;
}

.fancy-underline {
  display: inline-block;
  margin-top: -10px;
}

/* Footer */
footer {
  text-align: center;
  padding: 30px;
  background-color: #1e1e1e;
  border-top: 2px solid #00ffb3;
}

footer a {
  color: #00ffb3;
  text-decoration: none;
  font-weight: 600;
}

footer a:hover {
  text-decoration: underline;
}

/* Chatbot isolation */
#chatbot-window, #chatbot-bubble {
  z-index: 9999 !important;
}
#chatbot-window *, #chatbot-bubble * {
  box-sizing: border-box;
}