@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;800&display=swap');

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Orbitron', sans-serif;
  background: radial-gradient(circle at top, #0b1224, #020617);
  color: #e5e7eb;
  overflow-x: hidden;
}

/* ===== Cyber Grid Background ===== */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(56,189,248,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,0.08) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: -1;
}

/* ===== Header ===== */
header {
  text-align: center;
  padding: 60px 20px 40px;
}

header img {
  width: 120px;
  filter: drop-shadow(0 0 25px rgba(56,189,248,0.8));
  animation: float 4s ease-in-out infinite;
}

header h1 {
  margin: 20px 0 10px;
  font-size: 42px;
  color: #38bdf8;
  text-shadow: 0 0 20px rgba(56,189,248,0.8);
}

header p {
  max-width: 700px;
  margin: auto;
  color: #94a3b8;
  font-size: 15px;
}

/* ===== Floating Animation ===== */
@keyframes float {
  0% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
  100% { transform: translateY(0); }
}

/* ===== Navigation ===== */
nav {
  margin-top: 30px;
}

nav a {
  color: #94a3b8;
  text-decoration: none;
  margin: 0 14px;
  font-size: 14px;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: #38bdf8;
  transition: 0.3s;
}

nav a:hover::after {
  width: 100%;
}

/* ===== Sections ===== */
.section {
  max-width: 1100px;
  margin: auto;
  padding: 80px 20px;
}

.section h2 {
  font-size: 30px;
  margin-bottom: 20px;
  color: #38bdf8;
}

.section p {
  color: #cbd5f5;
  max-width: 800px;
  line-height: 1.8;
}

/* ===== Feature Cards ===== */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.card {
  background: linear-gradient(145deg, #020617, #0b1224);
  border: 1px solid rgba(56,189,248,0.2);
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0 0 30px rgba(56,189,248,0.08);
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 0 60px rgba(56,189,248,0.25);
}

.card h3 {
  color: #38bdf8;
  margin-bottom: 12px;
}

/* ===== Footer ===== */
footer {
  text-align: center;
  padding: 40px;
  font-size: 13px;
  color: #64748b;
  background: #020617;
}