:root {
  color-scheme: light;
  font-family: "Poppins", sans-serif;
  color: #213547;
  background: #eef4ff;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 20% 10%, rgba(66, 133, 244, 0.17), transparent 34rem),
    radial-gradient(circle at 90% 90%, rgba(52, 168, 83, 0.14), transparent 30rem),
    #f7f9fd;
}

.thanks-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 1.5rem;
}

.thanks-card {
  width: min(34rem, 100%);
  padding: clamp(2rem, 7vw, 3.5rem);
  border: 1px solid #e1e7f0;
  border-radius: 1.5rem;
  background: rgba(255,255,255,0.96);
  box-shadow: 0 24px 70px rgba(32, 53, 86, 0.14);
  text-align: center;
}

.thanks-icon {
  display: grid;
  width: 4.5rem;
  height: 4.5rem;
  margin: 0 auto 1.25rem;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: #25a66f;
  font-size: 2rem;
  font-weight: 800;
}

.thanks-eyebrow { margin: 0; color: #237b61; font-size: 0.78rem; font-weight: 800; letter-spacing: 0.12em; text-transform: uppercase; }
h1 { margin: 0.65rem 0 0.85rem; color: #1f2937; font-size: clamp(1.8rem, 6vw, 2.6rem); line-height: 1.08; }
p { color: #667085; line-height: 1.65; }
.thanks-next { display: grid; gap: 0.25rem; margin: 1.5rem 0; padding: 1rem; border-radius: 0.9rem; color: #405064; background: #f1f6ff; text-align: left; }
.thanks-next strong { color: #1f2937; }
.thanks-button, .thanks-back { display: flex; min-height: 3rem; align-items: center; justify-content: center; border-radius: 0.8rem; font-weight: 700; text-decoration: none; }
.thanks-button { color: #fff; background: #1677e8; }
.thanks-button:hover { background: #0d68d2; }
.thanks-back { margin-top: 0.55rem; color: #526070; }
.thanks-button:focus-visible, .thanks-back:focus-visible { outline: 3px solid rgba(22,119,232,0.28); outline-offset: 3px; }