:root {
  color-scheme: dark;
  font-family: Arial, Helvetica, sans-serif;
  color: #e9ebe4;
  background: #111814;
  font-synthesis: none;
  --gutter: clamp(24px, 5vw, 64px);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(ellipse at 22% 43%, #25332855, transparent 55%);
}
header, main, footer { width: 100%; max-width: 1280px; margin-inline: auto; }
header { padding: 28px var(--gutter) 20px; }
.wordmark { display: inline-block; font-size: 30px; letter-spacing: -2px; font-weight: 800; color: #eff1e8; text-decoration: none; }
.wordmark span { font-size: 11px; letter-spacing: 3px; margin-left: 13px; font-weight: 400; }
.brand-tagline { margin: 9px 0 0; font-size: 11px; line-height: 1.5; letter-spacing: 1.2px; color: #bdcaa9; }
main {
  flex: 1;
  padding: 24px var(--gutter) 48px;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
  gap: clamp(36px, 5vw, 64px);
  align-items: center;
}
.intro { padding-block: 12px; }
h1 { font-family: Georgia, serif; font-size: clamp(42px, 4.5vw, 62px); line-height: 1.08; letter-spacing: -2.4px; font-weight: 400; margin: 0 0 24px; }
h1 em { color: #c7d5a7; font-weight: 400; }
.lede { max-width: 440px; margin: 0; line-height: 1.75; font-size: 16px; color: #adb7aa; }
.pillars { margin: 30px 0 0; display: flex; gap: 12px 18px; flex-wrap: wrap; font-size: 11px; line-height: 1.6; letter-spacing: .2px; font-weight: 600; color: #c7cdbf; }
.pillars span { padding-bottom: 8px; border-bottom: 1px solid #69765d; }
.note { font-size: 12px; line-height: 1.8; color: #9fa99a; margin: 32px 0 0; }
.card { width: 100%; max-width: 500px; justify-self: end; padding: clamp(26px, 2.8vw, 36px); background: #1b241ddd; border: 1px solid #35402f; border-radius: 4px; box-shadow: 0 28px 80px #0002; }
h2 { font-family: Georgia, serif; font-weight: 400; font-size: clamp(28px, 2.7vw, 34px); line-height: 1.15; letter-spacing: -1px; margin: 0 0 14px; }
.subline { color: #a7b09f; font-size: 14px; line-height: 1.65; margin: 0 0 24px; }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
label { display: block; font-size: 12px; line-height: 1.4; color: #c6cdbf; margin: 18px 0 8px; }
fieldset label:first-of-type { margin-top: 0; }
input { width: 100%; min-height: 48px; border: 1px solid #475240; background: #151d17; padding: 12px 14px; color: #edf0e5; border-radius: 3px; font: inherit; font-size: 16px; }
input::placeholder { color: #87927e; }
input:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid #d7e3b6; outline-offset: 4px; }
small { font-size: 11px; line-height: 1.5; color: #a5af9b; display: block; margin: 8px 0 0; }
#challenge { margin: 18px 0; min-height: 65px; }
button { border: 0; border-radius: 3px; width: 100%; min-height: 50px; padding: 15px 16px; background: #d1dcaf; color: #17200f; text-align: left; font-weight: 600; font-size: 13px; line-height: 1.5; cursor: pointer; }
button span { float: right; margin-left: 8px; }
button:disabled { opacity: .55; cursor: default; }
#status { font-size: 12px; line-height: 1.6; color: #d4dcbe; margin: 12px 0 0; }
.privacy { font-size: 11px; line-height: 1.65; color: #a4ae99; margin: 14px 0 0; }
.privacy a { color: #c9d5b3; }
footer { display: flex; justify-content: space-between; align-items: center; gap: 16px; border-top: 1px solid #2c382c; padding: 25px var(--gutter); font-size: 10px; letter-spacing: 2px; color: #929e90; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
@media (max-width: 900px) {
  main { grid-template-columns: minmax(0, 1fr); gap: 32px; max-width: 680px; padding-top: 20px; }
  .intro { padding: 0; }
  .card { max-width: none; justify-self: stretch; }
  h1 { font-size: clamp(38px, 7vw, 56px); letter-spacing: -1.8px; }
  .lede { max-width: 520px; }
  .pillars { margin-top: 24px; }
  .note { margin-top: 22px; }
}
@media (max-width: 480px) {
  :root { --gutter: 20px; }
  header { padding-top: 24px; padding-bottom: 16px; }
  main { padding-top: 16px; padding-bottom: 32px; gap: 28px; }
  h1 { font-size: 38px; margin-bottom: 20px; }
  .lede { font-size: 15px; }
  .pillars { display: grid; gap: 10px; justify-items: start; font-size: 12px; }
  .card { padding: 24px 20px; }
  .subline { margin-bottom: 22px; }
  footer { font-size: 8px; letter-spacing: 1px; }
}

/* Laptop layout: reclaim vertical space without scaling type or clipping content. */
@media (min-width: 901px) {
  header { padding-top: 12px; padding-bottom: 8px; }
  .banner-brand { display: flex; align-items: baseline; gap: 20px; }
  .brand-tagline { margin: 0; }
  main { padding-top: 8px; padding-bottom: 16px; }
  .intro { padding-block: 0; }
  .card { padding-top: 22px; padding-bottom: 22px; }
  h2 { margin-bottom: 10px; }
  .subline { margin-bottom: 16px; }
  label { margin-top: 12px; margin-bottom: 6px; }
  #challenge { margin-top: 12px; margin-bottom: 12px; }
  #status { margin-top: 8px; }
  .privacy { margin-top: 10px; }
  footer { padding-top: 12px; padding-bottom: 12px; }
}
@media (min-width: 901px) and (max-height: 740px) {
  /* The banner uses the left column's open space; the form starts near the top. */
  header { position: absolute; top: 0; left: 50%; transform: translateX(-50%); padding-top: 16px; }
  .banner-brand { display: block; width: 45%; }
  .brand-tagline { margin-top: 7px; }
  main { padding-top: 12px; padding-bottom: 12px; }
  .intro { padding-top: 72px; }
  .card { position: relative; }
  .pillars { margin-top: 22px; }
  .note { margin-top: 24px; }
}