:root {
  --mt-magenta: #e6007e;
  --mt-magenta-dark: #b90065;
  --mt-blue: #36a9e1;
  --mt-text: #252525;
  --mt-muted: #707070;
  --mt-border: #d8dde3;
  --mt-surface: #f5f8fa;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--mt-text);
  background: #fff;
  font: 16px/1.6 Roboto, Arial, sans-serif;
}
.site-header { background: var(--mt-magenta); color: #fff; }
.header-inner {
  width: min(1200px, calc(100% - 32px));
  min-height: 96px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 16px; color: #fff; font-size: 22px; font-weight: 700; text-decoration: none; }
.brand img { width: 70px; max-height: 40px; object-fit: contain; }
nav { display: flex; align-items: center; gap: 8px; }
nav a { color: #fff; padding: 7px 12px; border-radius: 3px; font-weight: 700; text-decoration: none; }
nav a:hover, nav a:focus-visible, nav a.active { color: var(--mt-magenta); background: #fff; }
.subscription-shell { width: min(760px, calc(100% - 32px)); margin: 56px auto 72px; }
h1 { margin: 0 0 12px; color: var(--mt-muted); font-size: clamp(2rem, 5vw, 2.5rem); line-height: 1.2; }
p { margin: 0 0 24px; }
a { color: var(--mt-blue); }
form { margin-top: 28px; }
.form-field { margin-bottom: 24px; }
label, legend { font-weight: 700; }
input[type="email"] {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 12px 14px;
  border: 1px solid var(--mt-border);
  border-radius: 4px;
  color: var(--mt-text);
  font: inherit;
}
input[type="email"]:focus { border-color: var(--mt-blue); outline: 3px solid rgb(54 169 225 / 20%); }
fieldset { margin: 0 0 24px; padding: 18px 20px 20px; border: 1px solid var(--mt-border); border-radius: 4px; background: var(--mt-surface); }
legend { padding: 0 7px; }
.channel-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 24px; }
.channel-option { display: flex; align-items: flex-start; gap: 9px; font-weight: 400; }
.channel-option input { width: 18px; height: 18px; margin-top: 4px; accent-color: var(--mt-magenta); }
button {
  padding: 11px 22px;
  border: 0;
  border-radius: 4px;
  color: #fff;
  background: var(--mt-magenta);
  font: 700 16px/1.4 Roboto, Arial, sans-serif;
  cursor: pointer;
}
button:hover, button:focus-visible { background: var(--mt-magenta-dark); }
.note { color: var(--mt-muted); font-size: 14px; }
footer { padding: 24px 16px; border-top: 1px solid var(--mt-border); text-align: center; font-size: 14px; }
.honeypot { position: absolute; left: -10000px; }
@media (max-width: 640px) {
  .header-inner { min-height: 64px; flex-wrap: wrap; padding: 10px 0; }
  .brand img { width: 48px; }
  .brand { font-size: 20px; }
  nav { width: 100%; overflow-x: auto; }
  nav a { padding: 5px 9px; font-size: 14px; }
  .subscription-shell { margin-top: 36px; }
  .channel-grid { grid-template-columns: 1fr; }
  button { width: 100%; }
}