body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #000;
  color: #fff;
  scroll-behavior: smooth;
}
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.8);
  padding: 15px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 10;
}
nav .logo {
  font-weight: bold;
  font-size: 1.2rem;
  color: #00e0e0;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
  margin: 0;
  padding: 0;
}
nav ul li a {
  text-decoration: none;
  color: #fff;
  font-weight: bold;
}
nav ul li a:hover {
  color: #00e0e0;
}
header {
  position: relative;
  text-align: center;
  background: url('https://images.unsplash.com/photo-1518770660439-4636190af475?auto=format&fit=crop&w=1600&q=80') no-repeat center center/cover;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}
header::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
}
header h1, header p, header a {
  position: relative;
  z-index: 1;
}
header h1 {
  font-size: 3rem;
  margin: 0;
}
header p {
  margin: 10px 0 20px;
  font-size: 1.2rem;
}
header a {
  background: #00e0e0;
  color: #000;
  text-decoration: none;
  padding: 12px 24px;
  border-radius: 30px;
  font-weight: bold;
}
section {
  padding: 80px 20px;
  max-width: 1000px;
  margin: auto;
  text-align: center;
}
section h2 {
  font-size: 2rem;
  margin-bottom: 20px;
}
.bubble {
  background: linear-gradient(135deg, #1a1a1a, #2a2a2a);
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 0 20px rgba(0,0,0,0.6);
  margin-top: 20px;
}
.solutions {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-top: 40px;
}
.solution-box {
  flex: 1;
  margin: 10px;
  min-width: 280px;
  background: linear-gradient(135deg, #222, #333);
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 0 15px rgba(0,0,0,0.5);
}
.brand-logos {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 30px;
}
.brand-logo {
  background: linear-gradient(135deg, #222, #333);
  padding: 20px 40px;
  border-radius: 10px;
  font-size: 1.5rem;
  font-weight: bold;
  color: #00e0e0;
  box-shadow: 0 0 15px rgba(0, 224, 224, 0.5);
  display: inline-block;
}
footer {
  background: #111;
  padding: 40px 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  color: #ccc;
  font-size: 0.9rem;
}
footer .left, footer .right {
  flex: 1;
  min-width: 250px;
  margin: 10px;
}
footer input[type=email] {
  width: 80%;
  padding: 10px;
  border: none;
  border-radius: 4px;
  margin-top: 10px;
}
footer button {
  padding: 10px 20px;
  background: #00e0e0;
  border: none;
  border-radius: 4px;
  margin-top: 10px;
  cursor: pointer;
  font-weight: bold;
}
.chat-button {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #00e0e0;
  color: #000;
  padding: 15px 25px;
  border-radius: 30px;
  cursor: pointer;
  font-weight: bold;
}