/* t0001 — FE/BE signup integration test page (fe-pipe-test__20260925-020912).
   Self-contained: system fonts, no imports, no external assets.
   One accent color; WCAG AA contrast; fluid 320px–1440px+. */

:root {
  --bg: #f6f5f1;
  --ink: #26221c;
  --muted: #57504a;
  --accent: #2b4a75;
  --accent-hover: #223c60;
  --accent-ink: #ffffff;
  --field-bg: #ffffff;
  --field-border: #7c746a;
  --success: #1e5c3d;
  --error: #8c2f21;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
}

main {
  flex: 1 0 auto;
  display: grid;
  place-items: center;
  padding: clamp(2.5rem, 8vh, 5rem) 1.25rem;
}

.intro {
  width: 100%;
  max-width: 33rem;
  margin: 0 auto;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.25rem, 7vw, 3.25rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

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

.launch-line {
  margin: 0 0 2.25rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
}

/* Signup form (inert locally; live only via a real signup-config.js) */

.field { margin: 0 0 1.25rem; }

.field label {
  display: block;
  margin: 0 0 0.35rem;
  font-size: 0.95rem;
  font-weight: 600;
}

.field input {
  width: 100%;
  min-height: 48px;
  padding: 0.6rem 0.85rem;
  font: inherit;
  font-size: 1rem;
  color: var(--ink);
  background: var(--field-bg);
  border: 1px solid var(--field-border);
  border-radius: 8px;
}

.signup-button {
  min-height: 48px;
  margin-top: 0.25rem;
  padding: 0.7rem 1.75rem;
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-ink);
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 8px;
  cursor: pointer;
}

.signup-button:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

.signup-button[disabled] { opacity: 0.65; cursor: default; }

.signup-status {
  min-height: 1.6em;
  margin: 0.9rem 0 0;
  font-size: 0.95rem;
  font-weight: 600;
}

.signup-status--success { color: var(--success); }
.signup-status--error { color: var(--error); }

.consent {
  margin: 1.75rem 0 0;
  font-size: 0.875rem;
  color: var(--muted);
}

/* Visible focus (WCAG 2.2) for links and form controls */

a:focus-visible,
.field input:focus-visible,
.signup-button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 8px;
}

.field input:focus-visible { border-color: var(--accent); }

/* Footer */

.site-footer {
  flex-shrink: 0;
  padding: 1.25rem;
  text-align: center;
}

.site-footer p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
}