* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", sans-serif;
}

body {
  background: #0f1115;
  color: white;
  scroll-behavior: smooth;
}

/* NAV */
.nav {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 18px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(12px);
  background: rgba(15,17,21,0.6);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  z-index: 1000;
}

.nav nav a {
  color: white;
  text-decoration: none;
  margin-left: 20px;
  font-size: 14px;
  opacity: 0.8;
}

.nav nav a:hover {
  opacity: 1;
}

/* HERO */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 20px;
  background: radial-gradient(circle at top, #1a2a6c, #0f1115 60%);
}

.hero h1 {
  font-size: 52px;
  margin-bottom: 15px;
}

.hero p {
  opacity: 0.8;
  max-width: 600px;
  margin: 0 auto 25px;
}

.btn {
  padding: 12px 25px;
  background: #3b82f6;
  color: white;
  border-radius: 10px;
  text-decoration: none;
  transition: 0.3s;
}

.btn:hover {
  transform: translateY(-2px);
}

/* SECTIONS */
.section {
  padding: 100px 20px;
  max-width: 1000px;
  margin: auto;
}

.section h2 {
  font-size: 32px;
  margin-bottom: 20px;
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

/* CARDS */
.card {
  background: rgba(255,255,255,0.05);
  padding: 25px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.08);
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  background: rgba(255,255,255,0.08);
}

.highlight {
  border: 1px solid #3b82f6;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 40px;
  opacity: 0.5;
}
  margin-top: 40px;
}