/* Letboard Coming Soon — brand-forward */
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, "Helvetica Neue", Arial, "Noto Sans";
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* Subtle blueprint background layer */
.bg {
  position: fixed;
  inset: 0;
  background: url('assets/bg-blueprint.svg') center/cover no-repeat fixed;
  filter: blur(6px) saturate(1.1);
  transform: scale(1.02);
  z-index: -1;
  opacity: 0.6;
}

.wrap {
  min-height: 100%;
  display: grid;
  grid-template-rows: auto 1fr auto;
  place-items: center;
  gap: 2rem;
  padding: clamp(24px, 4vw, 64px);
}

.hero { text-align: center; }
.logo { width: clamp(180px, 30vw, 280px); height: auto; margin-bottom: 8px; }
.tagline { color: var(--muted); margin-top: 6px; }

.card {
  width: min(760px, 100%);
  background: var(--card);
  border-radius: 16px;
  padding: clamp(22px, 4vw, 42px);
  border: 1px solid rgba(0,0,0,0.06);
}
.elevate { box-shadow: 0 14px 40px rgba(0, 62, 101, 0.15); }

.signup {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
  margin-top: 16px;
}
.signup input[type="email"] {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid #d8e3ea;
  background: #f9fcfd;
  color: var(--text);
  width: 100%;
}
.signup button {
  padding: 12px 18px;
  border-radius: 10px;
  border: none;
  background: var(--teal);
  color: #ffffff;
  cursor: pointer;
  transition: transform .05s ease, opacity .2s ease, box-shadow .2s ease;
  box-shadow: 0 4px 12px rgba(20,169,155,0.35);
}
.signup button:hover { opacity: 0.95; }
.signup button:active { transform: translateY(1px); }

.consent {
  grid-column: 1 / -1;
  font-size: 0.92rem;
  color: var(--muted);
  display: flex;
  gap: 8px;
  align-items: center;
}

.small { color: var(--muted); font-size: 0.92rem; }

.footer {
  width: min(760px, 100%);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--navy);
}
.footer a { color: var(--navy); text-decoration: none; }
.footer .links { display: flex; gap: 16px; }

.btn {
  display: inline-block;
  padding: 10px 16px;
  background: var(--teal);
  color: white;
  border-radius: 10px;
  text-decoration: none;
}

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