:root {
  --navy: #001833;
  --lime: #9be03a;
  --slate: #4a5d73;
  --paper: #f4f7fb;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--navy);
  color: #fff;
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  padding: 48px 24px;
}

header { max-width: 520px; margin: 0 auto 36px; }
.brand {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: Montserrat, sans-serif;
  letter-spacing: 0.16em;
  font-size: 14px;
}
.brand-mark { height: 36px; width: auto; display: block; }
.brand span { color: var(--lime); }
.tag {
  margin: 8px 0 0;
  color: rgba(255,255,255,0.65);
  font-size: 13px;
}

main { max-width: 520px; margin: 0 auto; }
h1 {
  font-family: Montserrat, sans-serif;
  font-size: clamp(28px, 5vw, 40px);
  margin: 0 0 16px;
}
.lede { color: rgba(255,255,255,0.82); line-height: 1.5; }

.locked {
  margin: 20px 0 0;
  padding: 10px 12px;
  background: rgba(255, 93, 122, 0.16);
  border: 1px solid rgba(255, 93, 122, 0.45);
  border-radius: 10px;
  color: #ffd4dc;
  font-size: 14px;
}

.gate {
  margin-top: 28px;
  display: grid;
  gap: 10px;
}
.gate label {
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lime);
  font-weight: 700;
}
.gate input {
  width: 100%;
  padding: 12px 14px;
  border: 0;
  border-radius: 10px;
  background: var(--paper);
  color: var(--navy);
  font-size: 15px;
}
.gate-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.gate button {
  justify-self: start;
  border: 0;
  border-radius: 999px;
  padding: 10px 18px;
  background: var(--lime);
  color: var(--navy);
  font-family: Montserrat, sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}

.hint {
  margin-top: 22px;
  color: rgba(255,255,255,0.55);
  font-size: 13px;
  line-height: 1.45;
}