body {
  margin: 0;
  background: #05070c;
  font-family: Arial;
  color: white;
}

/* HERO */
.hero {
  position: relative;
  height: 90vh;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.5) contrast(1.2);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle, rgba(0,212,255,0.12), rgba(0,0,0,0.9));
  z-index: 2;
}

/* PARTICLES */
#particles {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 5;
  max-width: 900px;
}

.hero h1 {
  font-size: 60px;
}

.hero span {
  color: #00d4ff;
}

/* SECTIONS */
.section {
  padding: 100px 20px;
  text-align: center;
}

.section.dark {
  background: rgba(255,255,255,0.03);
}

.grid {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.card {
  width: 260px;
  padding: 25px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(0,212,255,0.2);
  border-radius: 12px;
}

/* CTA */
.cta {
  padding: 120px 20px;
  text-align: center;
  background: radial-gradient(circle, rgba(0,212,255,0.15), transparent);
}

/* BUTTONS */
.btn-primary {
  background: #00d4ff;
  color: black;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
}

.btn-outline {
  border: 1px solid #00d4ff;
  color: #00d4ff;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
}

/* MODAL */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  display: none;
  align-items: center;
  justify-content: center;
}

.modal img {
  max-width: 80%;
  max-height: 80%;
}