html {
  background-color: transparent !important;
}
body {
  margin: 0;
  min-height: 100vh;
  background-image: linear-gradient(to top, #0a0a0a, #3b64ff);
  background-attachment: fixed;
  background-repeat: no-repeat;
  background-position: bottom;
  overflow-x: hidden;
  font-family: ui-sans-serif, system-ui, sans-serif;
}
.container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  max-width: 1536px;
  margin: auto;
  padding: 3rem 1.5rem;
  align-items: center;
  min-height: 100vh;
}
.logo-box img {
  height: 2.25rem;
}
h1, h2 {
  color: white;
}
.ia-box {
  background: white;
  border-radius: 1.5rem;
  padding: 2.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}
.btnAgent, #btnAiStart {
  cursor: pointer;
  width: 100%;
  padding: 0.5rem 0;
  font-size: 1.125rem;
  font-weight: 600;
  background-color: #e8eaee;
  border-radius: 1.5rem;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
  transition: background 0.3s;
}
.btnAgent:hover {
  background-color: #f9fafb;
}
#btnAiStart {
  margin-top: 4rem;
  background-color: #000000;
  color: white;
  font-size: 1.5rem;
  padding: 0.75rem 0;
}
.grid-cols-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 2.5rem;
}
.col-span-2 {
  grid-column: span 2;
}