:root {
  --sky: #e5edf9;
  --blue: #5b84c4;
  --blue-deep: #2c4a75;
  --ink: #1f2c3d;
  --cream: #f7f9fd;
  --accent: #7fb0a6;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  font-family: "Inter", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 20% 20%, var(--sky), var(--cream) 55%);
  overflow: hidden;
}

.scene {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.marks {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.mark-deco {
  position: absolute;
  width: 4.5rem;
  height: 4.5rem;
  color: var(--blue);
  opacity: 0.28;
}

.mark-deco--one {
  top: 8%;
  left: 10%;
  transform: rotate(-8deg);
}

.mark-deco--two {
  bottom: 12%;
  right: 12%;
  width: 6rem;
  height: 6rem;
  transform: rotate(10deg);
  color: var(--blue-deep);
  opacity: 0.18;
}

.mark-deco--three {
  top: 62%;
  left: 6%;
  width: 3rem;
  height: 3rem;
  transform: rotate(5deg);
}

.card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: min(30rem, calc(100vw - 3rem));
  min-width: 0;
  padding: 3.5rem 2.75rem;
  text-align: center;
  background: rgba(247, 249, 253, 0.78);
  border: 1px solid rgba(44, 74, 117, 0.18);
  border-radius: 1.25rem;
  box-shadow: 0 30px 60px -25px rgba(31, 44, 61, 0.3);
  backdrop-filter: blur(6px);
}

.mark {
  width: 2.5rem;
  height: 2.5rem;
  color: var(--blue-deep);
  margin-bottom: 1.25rem;
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--blue-deep);
}

h1 {
  margin: 0;
  font-family: "Poppins", sans-serif;
  font-weight: 700;
  font-size: clamp(2.5rem, 7vw, 3.25rem);
  line-height: 1.1;
  color: var(--ink);
}

.tagline {
  margin: 1rem 0 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
  opacity: 0.85;
}

.rule {
  width: 3rem;
  height: 1px;
  margin: 1.75rem auto;
  background: var(--accent);
  opacity: 0.8;
}

.note {
  margin: 0;
  font-size: 0.85rem;
  color: var(--ink);
  opacity: 0.65;
}

@media (max-width: 420px) {
  .card {
    padding: 2.75rem 1.75rem;
  }
}