/* Lightweight, accessible styling — no framework, no build step. */

:root {
  color-scheme: light;
  --fg: #1a1a2e;
  --fg-muted: #5b5b76;
  --bg: #ffffff;
  --accent: #4f46e5;
  --accent-dark: #3730a3;
  --border: #e3e2f0;
  --error: #b3261e;
  --card-radius: 1.1rem;

  /* Aurora background palette (light), shared (as literal color stops) with the
     Lambda-served confirm/unsubscribe pages so all four pages read as one brand —
     see subscriber_common.py's render_page(). */
  --aurora-1: #f5f3ff;
  --aurora-2: #ddd6fe;
  --aurora-3: #fbcfe8;
  --aurora-4: #bfdbfe;
}

* {
  box-sizing: border-box;
}

html, body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--fg);
  line-height: 1.55;
  background:
    radial-gradient(60rem 60rem at 12% -10%, var(--aurora-3) 0%, transparent 55%),
    radial-gradient(50rem 50rem at 110% 10%, var(--aurora-4) 0%, transparent 50%),
    radial-gradient(70rem 70rem at 50% 120%, var(--aurora-2) 0%, transparent 60%),
    var(--aurora-1);
  background-attachment: fixed;
}

.page {
  max-width: 40rem;
  margin: 0 auto;
  padding: 4rem 1.25rem 5rem;
}

.eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 0.75rem;
}

h1 {
  font-size: 2.25rem;
  line-height: 1.15;
  margin: 0 0 0.6rem;
  color: var(--fg);
  font-weight: 800;
}

.tagline {
  font-size: 1.15rem;
  color: var(--fg-muted);
  margin: 0 0 2.25rem;
  max-width: 34rem;
}

.card {
  background: #ffffff;
  border: 1px solid rgba(124, 58, 237, 0.12);
  border-radius: var(--card-radius);
  box-shadow: 0 12px 30px rgba(76, 29, 149, 0.08);
  padding: 1.75rem 1.75rem 2rem;
  margin-bottom: 1.5rem;
}

.note {
  font-size: 0.85rem;
  color: var(--fg-muted);
  font-style: italic;
  margin: 0.9rem 0 0;
}

.card h2 {
  font-size: 1.05rem;
  margin: 0 0 0.9rem;
  color: var(--fg);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.facts {
  list-style: none;
  padding: 0;
  margin: 0;
}

.facts li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  margin: 0.55rem 0;
  font-size: 0.95rem;
  color: var(--fg);
}

.facts li .dot {
  flex: none;
  width: 0.4rem;
  height: 0.4rem;
  margin-top: 0.5rem;
  border-radius: 50%;
  background: var(--accent);
}

.privacy-card {
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1rem 1.1rem;
  margin: 1.5rem 0 0;
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.privacy-card strong {
  color: var(--fg);
}

.form-section {
  margin-top: 1.5rem;
}

.field {
  margin-bottom: 1rem;
}

.field label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.3rem;
}

.field input {
  width: 100%;
  padding: 0.65rem 0.75rem;
  font-size: 1rem;
  border: 1.5px solid var(--border);
  border-radius: 0.5rem;
  background: var(--bg);
  color: var(--fg);
}

.field input:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.18);
}

/* Honeypot: visually hidden but present in the DOM/tab order is avoided via tabindex=-1
   and it is not display:none (some bots skip display:none fields). */
.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

button[type="submit"] {
  width: 100%;
  font-size: 1rem;
  font-weight: 700;
  padding: 0.8rem 1.4rem;
  border: none;
  border-radius: 0.55rem;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  margin-top: 0.4rem;
}

button[type="submit"]:hover,
button[type="submit"]:focus-visible {
  background: var(--accent-dark);
}

button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

#form-status {
  margin-top: 1rem;
  min-height: 1.25rem;
  font-size: 0.9rem;
}

#form-status[data-state="error"] {
  color: var(--error);
}

.footer-note {
  text-align: center;
  font-size: 0.8rem;
  color: var(--fg-muted);
}

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