:root {
  --brand-yellow: #eac22e;
  --brand-blue: #5a69af;
  --ink: #1f2554;
  --soft-ink: #6772a9;
  --surface: #ffffff;
  --line: #eef1ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Poppins", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 14%, rgba(234, 194, 46, 0.12), transparent 42%),
    radial-gradient(circle at 88% 86%, rgba(90, 105, 175, 0.13), transparent 36%),
    var(--surface);
}

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

.card {
  width: min(680px, 100%);
  text-align: center;
  background-color: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: clamp(28px, 6vw, 56px);
  box-shadow:
    0 18px 50px rgba(31, 37, 84, 0.08),
    0 2px 14px rgba(31, 37, 84, 0.05);
  backdrop-filter: blur(2px);
}

.logo {
  width: min(220px, 56vw);
  height: auto;
  margin-bottom: 18px;
}

.tag {
  display: inline-block;
  margin: 0;
  padding: 7px 16px;
  border-radius: 999px;
  background-color: rgba(234, 194, 46, 0.16);
  color: #8f6f00;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

h1 {
  margin: 14px 0 10px;
  font-size: clamp(1.6rem, 4.2vw, 2.7rem);
  line-height: 1.15;
  color: var(--brand-blue);
}

.subtitle {
  max-width: 520px;
  margin: 0 auto 24px;
  color: var(--soft-ink);
  font-size: clamp(0.95rem, 1.8vw, 1.1rem);
  line-height: 1.65;
}

.notify-btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 999px;
  background: linear-gradient(145deg, var(--brand-blue), #49579a);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: transform 180ms ease, box-shadow 180ms ease;
  box-shadow: 0 10px 20px rgba(90, 105, 175, 0.25);
}

.notify-btn:hover,
.notify-btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(90, 105, 175, 0.33);
}

@media (max-width: 500px) {
  .card {
    border-radius: 18px;
  }

  .subtitle {
    margin-bottom: 20px;
  }
}