:root {
  --ink: #142033;
  --sun: #ffd23f;
  --coral: #ff5d4a;
  --lime: #b6f25c;
  --sky: #3ec6ff;
  --grape: #7a5cff;
  --deep: #12324d;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  font: 17px/1.45 "Trebuchet MS", "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 8% 12%, #ffd23f 0 90px, transparent 92px),
    radial-gradient(circle at 92% 8%, #ff5d4a 0 70px, transparent 72px),
    radial-gradient(circle at 84% 78%, #3ec6ff 0 110px, transparent 112px),
    radial-gradient(circle at 6% 86%, #b6f25c 0 80px, transparent 82px),
    linear-gradient(160deg, #12324d 0%, #1d6a8a 48%, #ff7a59 100%);
  min-height: 100vh;
}
a { color: inherit; }
.wrap { width: min(880px, calc(100% - 28px)); margin: 0 auto; padding: 22px 0 48px; }
.top { display: flex; align-items: center; gap: 12px; color: white; }
.top img { width: 84px; height: 84px; border-radius: 18px; object-fit: cover; background: #c40208; }
.brand { margin: 0; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; }
.hero { margin: 18px 0 14px; color: white; }
.hero h1 {
  margin: 0;
  display: inline-block;
  padding: 10px 16px 14px;
  border-radius: 18px;
  background: #fff;
  color: #000;
  font-size: clamp(46px, 12vw, 84px);
  line-height: .86;
  letter-spacing: -1px;
}
.hero h1 span { display: block; color: #000; }
.hero p { max-width: 34rem; font-size: 18px; }
.pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 18px; }
.pills span, .who label {
  border-radius: 999px;
  padding: 8px 14px;
  font-weight: 700;
  color: #142033;
}
.sun { background: var(--sun); }
.coral { background: var(--coral); color: white; }
.lime { background: var(--lime); }
.sky { background: var(--sky); }
.grape { background: var(--grape); color: white; }
.sheet {
  background: white;
  border-radius: 28px;
  padding: 18px;
  box-shadow: 0 18px 40px rgba(8, 20, 40, .25);
}
.sheet h2 { margin: 0 0 8px; font-size: 28px; }
label { display: block; font-weight: 700; margin-top: 12px; font-size: 14px; }
input, textarea {
  width: 100%;
  margin-top: 6px;
  border: 2px solid #d7e3ee;
  border-radius: 14px;
  padding: 12px;
  font: inherit;
  background: #f7fbff;
}
textarea { min-height: 120px; }
.who { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.who input { position: absolute; opacity: 0; pointer-events: none; }
.who label { margin: 0; cursor: pointer; border: 3px solid transparent; }
.who input:checked + label { border-color: #142033; }
.who label:nth-of-type(1), .who input:nth-of-type(1) + label { background: var(--sun); }
.who label:nth-of-type(2) { background: var(--sky); }
.who label:nth-of-type(3) { background: var(--lime); }
.who label:nth-of-type(4) { background: var(--coral); color: white; }
button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  margin-top: 14px;
  margin-right: 8px;
  padding: 0 18px;
  border: 0;
  border-radius: 999px;
  background: #142033;
  color: white;
  font: 800 16px/1 "Trebuchet MS", sans-serif;
  text-decoration: none;
}
.links { display: flex; flex-wrap: wrap; gap: 8px; }
.links a:nth-child(1) { background: var(--sun); color: #142033; }
.links a:nth-child(2) { background: var(--sky); color: #142033; }
.links a:nth-child(3) { background: var(--lime); color: #142033; }
.ok { background: var(--lime); border-radius: 20px; padding: 18px; font-size: 26px; font-weight: 800; line-height: 1.2; }
.err { color: #c42323; font-weight: 700; }
footer { color: white; padding-top: 16px; }
footer a { color: var(--sun); }
footer a.school { color: #fff; font-weight: 800; text-decoration: underline; }
.grid { display: grid; gap: 10px; }
@media (min-width: 700px) { .grid { grid-template-columns: 1fr 1fr; } }
.place { border-radius: 20px; padding: 14px; color: #142033; }
.place h3 { margin: 0 0 6px; }
.place ul { margin: 0; padding-left: 18px; }
.back { color: white; font-weight: 800; }