:root {
  --sky: #d9ecf7;
  --ink: #0a0e1a;
  --cream: #f5f2eb;
  --deny: #9d0c24;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4.5rem 1.25rem 3rem;
  background: var(--sky);
  color: var(--ink);
  font-family: Inter, system-ui, sans-serif;
}

.corner {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  display: block;
  line-height: 0;
}

.corner img {
  display: block;
  height: 44px;
  width: auto;
}

.gate {
  width: min(22rem, 100%);
}

h1 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.7rem;
  margin: 0 0 1.4rem;
  font-size: 1.7rem;
  font-weight: 600;
  line-height: 1.1;
}

h1 img {
  height: 2.15rem;
  width: auto;
}

h1 span {
  background: linear-gradient(90deg, #e64980, #f59f00, #40c057, #22b8cf, #7048e8);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.gate__deny {
  margin: -0.4rem 0 1rem;
  color: var(--deny);
  font-weight: 600;
  text-align: center;
}

form {
  display: grid;
  gap: 0.45rem;
}

label {
  font-size: 0.95rem;
  font-weight: 600;
}

input {
  width: 100%;
  padding: 0.85rem 0.95rem;
  border: 1px solid rgba(10, 14, 26, 0.18);
  border-radius: 0.7rem;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

button {
  margin-top: 0.55rem;
  border: 0;
  border-radius: 999px;
  padding: 0.9rem 1.4rem;
  background: var(--ink);
  color: var(--cream);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

button:hover { background: #1a2233; }