* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, Segoe UI, Roboto, Arial, sans-serif;
  background:
    radial-gradient(circle at top, rgba(40,115,150,.22), transparent 28%),
    linear-gradient(180deg,#040a11 0%,#06101a 55%,#03070d 100%);
  color: #dff8ff;
}

.wrap {
  max-width: 1600px;
  margin: 0 auto;
  padding: 18px;
}

.grid {
  display: grid;
  grid-template-columns:
    minmax(340px,1.05fr)
    minmax(420px,1.12fr)
    minmax(330px,.95fr);
  gap: 14px;
}

.card,
.wide-card {
  background: linear-gradient(180deg,rgba(8,18,30,.95),rgba(5,12,20,.96));
  border: 1px solid var(--ark-line);
  border-radius: 14px;
  padding: 14px;
}

button {
  min-height: 42px;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: .05em;
  font-size: 12px;
  background: linear-gradient(180deg,rgba(13,42,61,.96),rgba(8,22,35,.96));
  border: 1px solid rgba(105,223,255,.34);
  color: var(--ark-cyan);
}

button:hover {
  filter: brightness(1.07);
  box-shadow: 0 0 14px rgba(0,210,255,.18);
}

input,
select,
textarea {
  width: 100%;
  background: linear-gradient(180deg,rgba(10,25,39,.96),rgba(6,15,25,.98));
  border: 1px solid rgba(95,193,219,.28);
  border-radius: 8px;
  color: #ecfbff;
  padding: 10px 12px;
}