:root {
  --paper: #f4ead5;
  --paper-2: #ead9b8;
  --ink: #2e1d12;
  --ink-soft: #6b5240;
  --rust: #d4572a;
  --mustard: #e9a43b;
  --teal: #1e7f86;
  --display: "Shrikhand", "Cooper Black", Georgia, serif;
  --body: "Archivo", "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 16px/1.5 var(--body);
  display: grid;
  place-items: center;
  padding: 24px 16px;
  overflow-x: hidden;
}
.sun {
  position: fixed;
  left: 50%;
  bottom: -46vmin;
  width: 120vmin;
  aspect-ratio: 1;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(circle, var(--teal) 0 22%, var(--paper) 22% 26%, var(--mustard) 26% 40%, var(--paper) 40% 44%, var(--rust) 44% 60%, var(--paper) 60% 64%, var(--ink) 64% 80%, transparent 80%);
  z-index: 0;
}
.card {
  position: relative;
  z-index: 1;
  width: min(440px, 100%);
  text-align: center;
  margin-bottom: 18vh;
  background: var(--paper);
  border: 3px solid var(--ink);
  border-radius: 28px;
  padding: 30px 26px 24px;
  box-shadow: 8px 8px 0 var(--ink);
}
.kicker {
  font: 700 0.8rem/1 var(--body);
  font-stretch: 75%;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--rust);
}
h1 {
  font: 400 clamp(3rem, 13vw, 4.4rem)/0.95 var(--display);
  white-space: nowrap;
  margin: 14px 0 6px;
  color: var(--ink);
}
p { margin: 0 0 26px; color: var(--ink-soft); }
form { display: grid; gap: 10px; }
label { font: 700 0.78rem var(--body); font-stretch: 75%; letter-spacing: 0.16em; text-transform: uppercase; }
input {
  font: 600 1.15rem var(--body);
  text-align: center;
  padding: 14px 16px;
  border: 3px solid var(--ink);
  border-radius: 999px;
  background: #fffaf0;
  color: var(--ink);
}
input:focus { outline: none; border-color: var(--teal); }
button {
  font: 400 1.35rem var(--display);
  padding: 12px 18px;
  border: 0;
  border-radius: 999px;
  background: var(--rust);
  color: var(--paper);
  cursor: pointer;
}
button:focus-visible { outline: 3px solid var(--teal); outline-offset: 3px; }
button:disabled { opacity: 0.6; }
.err { min-height: 1.5em; color: var(--rust); font-weight: 600; margin: 4px 0 0; }