*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: #111;
  color: #e0e0e0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Background decoration */
.bg-decor {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* Gradient orbs */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
}

.orb-1 {
  width: 500px;
  height: 500px;
  top: -10%;
  left: -5%;
  background: radial-gradient(circle, rgba(30, 58, 138, 0.08) 0%, transparent 70%);
}

.orb-2 {
  width: 400px;
  height: 400px;
  bottom: -8%;
  right: -3%;
  background: radial-gradient(circle, rgba(88, 28, 135, 0.06) 0%, transparent 70%);
}

.orb-3 {
  width: 350px;
  height: 350px;
  top: 40%;
  right: 15%;
  background: radial-gradient(circle, rgba(30, 64, 100, 0.05) 0%, transparent 70%);
}

/* Neural network canvas */
#neural {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

main {
  text-align: center;
  padding: 2rem;
  position: relative;
}

main > * {
  position: relative;
  z-index: 1;
}

.cards {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
}

.card {
  width: 260px;
  overflow: hidden;
  border-radius: 4px;
  background: #1a1a1a;
  transition: transform 0.25s ease;
}

.card:hover {
  transform: translateY(-4px);
}

.card-image {
  width: 100%;
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

.card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) brightness(0.7);
  transition: filter 0.3s ease;
}

.card:hover .card-image img {
  filter: grayscale(40%) brightness(0.85);
}

.card-label {
  padding: 1rem;
  font-weight: 300;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #999;
  text-align: center;
}

/* Business card (fourth card) */
.card-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.card-logo .card-image {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.card-logo .card-image img {
  width: 65%;
  height: auto;
  object-fit: contain;
  filter: none;
}

.card-logo:hover .card-image img {
  filter: none;
}

.card-brand {
  width: 75%;
  height: auto;
  margin: -0.25rem auto 0;
}

.card-contact {
  font-weight: 300;
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: #666;
  text-decoration: none;
  transition: color 0.2s ease;
  padding: 0.5rem 0 1rem;
}

.card-contact:hover {
  color: #fff;
}

@media (max-width: 860px) {
  .cards {
    flex-direction: column;
    align-items: center;
  }

  .card {
    width: 280px;
  }
}