:root {
  --bg-main: #0e1015;
  --bg-card: #161a23;
  --text-main: #f4f6fb;
  --text-soft: #c9cfde;
  --line: rgba(255, 255, 255, 0.14);
  --brand: #8c1998;
  --brand-2: #c43be2;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(140, 25, 152, 0.24), transparent 60%),
    radial-gradient(700px 380px at -10% 90%, rgba(196, 59, 226, 0.14), transparent 62%),
    linear-gradient(160deg, #0b0e13, #121722 50%, #0e121a);
}

.thankyou-wrapper {
  min-height: 100vh;
  padding: 24px;
  display: grid;
  place-items: center;
}

.thankyou-card {
  width: min(760px, 100%);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: linear-gradient(170deg, rgba(22, 26, 35, 0.95), rgba(19, 23, 31, 0.95));
  padding: clamp(24px, 4vw, 44px);
  text-align: center;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.35);
}

h1 {
  margin: 0;
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  color: #ffffff;
}

p {
  margin: 14px auto 0;
  max-width: 540px;
  color: var(--text-soft);
  line-height: 1.6;
}

.thankyou-actions {
  margin-top: 28px;
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

a {
  text-decoration: none;
  display: inline-block;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(120deg, var(--brand), var(--brand-2));
  box-shadow: 0 8px 18px rgba(140, 25, 152, 0.35);
}

.btn-secondary {
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.06);
}

a:hover {
  transform: translateY(-1px);
}

@media (max-width: 520px) {
  .thankyou-actions {
    flex-direction: column;
    align-items: stretch;
  }

  a {
    text-align: center;
  }
}