body {
  font-family: Arial;
  margin: 0;
}

/* NAVBAR */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: #0f172a;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 40px;
  box-sizing: border-box;
  z-index: 1000;
}

.nav-left a {
  margin-right: 20px;
  color: white;
  text-decoration: none;
}

.nav-right a {
  background: #2563eb;
  padding: 10px 18px;
  border-radius: 5px;
  color: white;
  text-decoration: none;
}

/* DROPDOWN */
.dropdown-parent {
  position: relative;
  display: inline-block;
  padding-bottom: 5px;
}

.dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: white;
  min-width: 200px;
  padding: 5px 0;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.dropdown a {
  display: block;
  padding: 10px;
  color: black;
  text-decoration: none;
}

.dropdown a:hover {
  background: #f1f1f1;
}

.dropdown-parent:hover .dropdown,
.dropdown:hover {
  display: block;
}

/* HEADER */
header {
  background: #0f172a;
  color: white;
  padding: 120px 20px 60px;
  text-align: center;
}

/* SECTION */
section {
  padding: 50px;
  max-width: 1000px;
  margin: auto;
  line-height: 1.7;
}

/* BUTTONS */
button {
  background: #2563eb;
  color: white;
  border: none;
  padding: 12px 25px;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background: #1d4ed8;
}

/* FOOTER */
footer {
  background: #0f172a;
  color: white;
  text-align: center;
  padding: 20px;
}

footer a {
  color: #60a5fa;
  text-decoration: none;
}

/* CARDS */
.card {
  display: inline-block;
  width: 250px;
  margin: 15px;
  padding: 25px;
  border: 1px solid #ddd;
  border-radius: 10px;
  background: white;
  vertical-align: top;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-5px);
}

.card h3 {
  margin-top: 0;
}

.card a {
  display: inline-block;
  margin-top: 10px;
  color: #2563eb;
  text-decoration: none;
  font-weight: bold;
}

/* MEGA FOOTER */
.mega-footer {
  background: #0f172a;
  color: white;
  padding: 60px 40px 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  max-width: 1200px;
  margin: auto;
}

.footer-grid h3 {
  margin-bottom: 20px;
  font-size: 18px;
}

.footer-grid a {
  display: block;
  color: #cbd5e1;
  text-decoration: none;
  margin-bottom: 12px;
}

.footer-grid a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  margin-top: 50px;
  border-top: 1px solid #334155;
  padding-top: 30px;
}

.footer-bottom h2 {
  margin-bottom: 10px;
}

/* AI PRODUCT CATALOGUE */
.catalogue-section {
  padding: 120px 20px;
  background:
    radial-gradient(circle at top left, #1e3a8a 0%, transparent 35%),
    radial-gradient(circle at bottom right, #0f172a 0%, transparent 35%),
    #020617;
  text-align: center;
  overflow: hidden;
}

.catalogue-section h2 {
  font-size: 52px;
  margin-bottom: 20px;
  color: white;
  font-weight: bold;
}

.catalogue-subtitle {
  max-width: 900px;
  margin: auto;
  font-size: 21px;
  line-height: 1.9;
  color: #cbd5e1;
  margin-bottom: 70px;
}

.catalogue-box {
  max-width: 1100px;
  margin: auto;
  background: rgba(255,255,255,0.06);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 28px;
  padding: 60px;
  box-shadow:
    0 10px 40px rgba(0,0,0,0.35),
    0 0 80px rgba(37,99,235,0.12);
  transition: 0.4s;
}

.catalogue-box:hover {
  transform: translateY(-5px);
}

.catalogue-box h3 {
  font-size: 42px;
  margin-bottom: 50px;
  color: #60a5fa;
  transition: 0.3s;
}

.catalogue-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 35px;
}

.catalogue-block {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.05);
  padding: 35px;
  border-radius: 20px;
  transition: 0.3s;
}

.catalogue-block:hover {
  background: rgba(255,255,255,0.07);
}

.catalogue-block h4 {
  margin-bottom: 18px;
  color: #93c5fd;
  font-size: 22px;
}

.catalogue-block p {
  line-height: 1.9;
  color: #e2e8f0;
  font-size: 17px;
}