:root {
  color-scheme: light;
  --ink: #1b1b1b;
  --muted: #5d5d5d;
  --red: #c8281e;
  --red-dark: #a51f17;
  --paper: #fffdf7;
  --tint: #f4efe2;
  --line: #d9d4c7;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--tint);
  color: var(--ink);
  font: 17px/1.55 "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
}
.wrap { max-width: 980px; margin: 0 auto; padding: 28px 16px 48px; }
.brand { font-weight: 800; letter-spacing: .06em; font-size: 14px; text-transform: uppercase; }
.brand span { color: var(--red); }
.hero {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 36px;
  align-items: center;
  margin-top: 28px;
}
h1 { font-size: clamp(34px, 6vw, 54px); line-height: 1.04; letter-spacing: -.02em; margin: 0 0 14px; }
.lede { font-size: 19px; color: var(--muted); margin: 0 0 22px; }
form { display: flex; gap: 10px; flex-wrap: wrap; }
input[type=email] {
  flex: 1 1 240px;
  min-width: 0;
  font: inherit;
  padding: 14px 16px;
  border: 2px solid var(--ink);
  border-radius: 6px;
  background: #fff;
}
input[type=email]:focus { outline: 3px solid rgba(200, 40, 30, .35); outline-offset: 1px; }
button, .btn {
  font: inherit;
  font-weight: 700;
  background: var(--red);
  color: #fff;
  border: 0;
  border-radius: 6px;
  padding: 14px 22px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
button:hover, .btn:hover { background: var(--red-dark); }
button:disabled { opacity: .7; cursor: wait; }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.fine { font-size: 14px; color: var(--muted); margin: 10px 0 0; }
.fine a { color: var(--muted); }
.error { color: var(--red); font-weight: 600; margin: 10px 0 0; }
.preview img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--line);
  box-shadow: 0 18px 40px rgba(0, 0, 0, .14);
  transform: rotate(2deg);
  background: #fff;
}
.learn { margin-top: 48px; border-top: 3px solid var(--ink); padding-top: 22px; }
.learn h2 { font-size: 22px; margin: 0 0 10px; }
.learn ul { margin: 0; padding-left: 20px; }
.learn li { margin: 6px 0; }
.about { margin-top: 22px; color: var(--muted); }
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 5px solid var(--red);
  border-radius: 6px;
  padding: 18px 20px;
  margin: 18px 0;
}
.card h2 { margin: 0 0 6px; font-size: 20px; }
.card p { margin: 0 0 12px; }
.narrow { max-width: 680px; }
footer { margin-top: 48px; font-size: 13px; color: var(--muted); }
footer a { color: var(--muted); }
@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; gap: 26px; margin-top: 18px; }
  .preview { max-width: 340px; margin: 0 auto; }
  form { flex-direction: column; }
  input[type=email] { flex: none; width: 100%; }
  button { width: 100%; }
}