:root {
  --paper: #F7F1E4;
  --card: #FCFAF4;
  --ink: #1A160F;
  --body: #3B342A;
  --muted: #9A907C;
  --line: #E7DCC5;
  --field-border: #D8CDB6;
  --vermilion: #C2402A;
  --teal: #1F6F66;
  --serif: 'Newsreader', Georgia, 'Times New Roman', serif;
  --sans: 'Hanken Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--body);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.sheet {
  max-width: 600px;
  margin: 40px auto;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 38px 40px;
}

.rule { width: 46px; height: 5px; background: var(--vermilion); border-radius: 1px; }
.wordmark { font-family: var(--serif); font-weight: 600; font-size: 52px; letter-spacing: -0.01em; color: var(--ink); line-height: 1; margin-top: 10px; }
.tagline { font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--teal); margin-top: 8px; }

h1, h2 { font-family: var(--serif); font-weight: 600; color: var(--ink); letter-spacing: -0.01em; }
h1 { font-size: 25px; line-height: 1.25; margin: 26px 0 8px; }
h2 { font-size: 20px; margin: 28px 0 10px; }
p { margin: 0 0 16px; }
a { color: var(--vermilion); }

.eyebrow { font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin: 22px 0 10px; }

.topics { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 6px; }
.topic { position: relative; }
.topic input { position: absolute; opacity: 0; width: 0; height: 0; }
.topic label {
  display: inline-block; cursor: pointer; font-size: 13.5px;
  padding: 7px 13px; border-radius: 20px;
  background: var(--card); border: 1px solid var(--field-border); color: var(--body);
  transition: all .12s ease;
}
.topic input:checked + label { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.topic input:focus-visible + label { outline: 2px solid var(--teal); outline-offset: 2px; }
.topic .blurb { display: block; }

input[type=text], input[type=email] {
  width: 100%; font-family: var(--sans); font-size: 15px; color: var(--body);
  background: var(--card); border: 1px solid var(--field-border); border-radius: 6px;
  padding: 11px 12px;
}
input[type=text]:focus, input[type=email]:focus { outline: 2px solid var(--teal); outline-offset: 0; border-color: var(--teal); }
.hint { font-size: 12.5px; color: var(--muted); margin: 6px 0 0; }

.freq { display: flex; gap: 8px; }
.freq .opt { flex: 1; }
.freq input { position: absolute; opacity: 0; width: 0; height: 0; }
.freq label {
  display: block; text-align: center; cursor: pointer; font-size: 14px;
  padding: 10px 0; border-radius: 6px; background: var(--card);
  border: 1px solid var(--field-border); color: var(--body);
}
.freq input:checked + label { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.freq input:focus-visible + label { outline: 2px solid var(--teal); outline-offset: 2px; }

.consent { display: flex; gap: 9px; align-items: flex-start; font-size: 12.5px; line-height: 1.45; color: var(--muted); margin: 18px 0; }
.consent input { margin-top: 2px; accent-color: var(--teal); }

.cta {
  width: 100%; cursor: pointer; font-family: var(--sans); font-size: 15px; font-weight: 500;
  color: #fff; background: var(--vermilion); border: none; border-radius: 6px; padding: 13px 0;
}
.cta:hover { background: #a8351f; }

.fineprint { text-align: center; font-size: 12px; color: var(--muted); margin-top: 14px; }
.errors { background: #FBEAE7; border: 1px solid #E9C3B9; color: #8A2F1C; border-radius: 6px; padding: 10px 12px; font-size: 13.5px; margin-bottom: 18px; }
.errors ul { margin: 0; padding-left: 18px; }
.note { background: #E4F0EC; border: 1px solid #BFE0D5; color: #155246; border-radius: 6px; padding: 12px 14px; font-size: 14px; }