:root {
  --bg: #faf7f5;
  --text: #1c1412;
  --muted: #6b5b56;
  --accent: #b54a4a;
  --accent-deep: #8f3535;
  --surface: #ffffff;
  --border: #c4b5ae;
  --danger: #b42318;
  --focus: #8f3535;
}

* { box-sizing: border-box; }

html { color-scheme: light; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.45;
}

a { color: var(--accent-deep); }

header {
  max-width: 32rem;
  margin: 0 auto;
  padding: 1.25rem 1.25rem 0;
}

header a.brand {
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
}

nav {
  display: flex;
  gap: 1rem;
  margin-top: 0.5rem;
  font-size: 0.95rem;
}

main {
  max-width: 32rem;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
}

h1 {
  font-size: 1.75rem;
  line-height: 1.2;
  margin: 0 0 0.75rem;
}

h2 {
  font-size: 1.2rem;
  margin: 1.75rem 0 0.5rem;
}

p, li { font-size: 1.0625rem; }

.lede {
  font-size: 1.125rem;
  color: var(--muted);
  margin: 0 0 1.5rem;
}

label.field {
  display: block;
  font-weight: 650;
  margin-bottom: 0.4rem;
}

input[type="tel"] {
  width: 100%;
  min-height: 3.25rem;
  font-size: 1.125rem;
  padding: 0.7rem 0.9rem;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
}

input[type="tel"].invalid {
  border-color: var(--danger);
}

.consent {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin: 1.15rem 0 1.25rem;
  padding: 0.9rem 0.85rem;
  border: 1.5px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
}

.consent.invalid { border-color: var(--danger); }

.consent input {
  width: 1.35rem;
  height: 1.35rem;
  margin-top: 0.15rem;
  flex-shrink: 0;
}

.consent span { font-size: 1.02rem; }

button[type="submit"], .btn {
  width: 100%;
  min-height: 3.25rem;
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  font-size: 1.125rem;
  font-weight: 650;
}

button[type="submit"]:disabled { opacity: 0.5; }

.fine {
  font-size: 0.95rem;
  color: var(--muted);
  margin-top: 1rem;
}

.msg {
  font-size: 1.125rem;
  margin: 0.5rem 0 0;
}

.legal p, .legal li { font-size: 1.02rem; }

.legal ul { padding-left: 1.2rem; }

footer {
  max-width: 32rem;
  margin: 0 auto;
  padding: 0 1.25rem 2.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}