:root {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color-scheme: dark;
  --bg: #04050c;
  --glass: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.2);
  --text: rgba(255, 255, 255, 0.85);
  --accent: #6b8bff;
  --accent-2: #ff6fb5;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, rgba(107, 139, 255, 0.25), transparent 55%),
    radial-gradient(circle at 20% 20%, rgba(255, 111, 181, 0.3), transparent 40%), var(--bg);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem 1.5rem;
}

.hero {
  position: relative;
  width: min(600px, 100%);
}

.card {
  backdrop-filter: blur(22px);
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: clamp(2.5rem, 5vw, 3.5rem);
  text-align: left;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.55);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(107, 139, 255, 0.18), rgba(255, 111, 181, 0.12));
  opacity: 0.8;
  pointer-events: none;
}

.card > * {
  position: relative;
}

.eyebrow {
  letter-spacing: 0.35em;
  text-transform: uppercase;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1rem;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.2rem, 5vw, 3.25rem);
  line-height: 1.1;
}

.subtitle {
  margin: 0 0 1.75rem;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.65);
}

.signup {
  display: grid;
  grid-template-columns: 2fr auto;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.signup input {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  padding: 0.9rem 1.1rem;
  color: white;
  font-size: 1rem;
  outline: none;
  transition: border 0.2s ease, box-shadow 0.2s ease;
}

.signup input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(107, 139, 255, 0.25);
}

.signup button {
  border: none;
  border-radius: 999px;
  padding: 0 1.8rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  color: #04050c;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.signup button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 25px rgba(255, 111, 181, 0.35);
}

.meta {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.55);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(45px);
  z-index: -1;
  opacity: 0.8;
}

.orb--one {
  width: 220px;
  height: 220px;
  top: -50px;
  right: -40px;
  background: rgba(107, 139, 255, 0.45);
}

.orb--two {
  width: 160px;
  height: 160px;
  bottom: -35px;
  left: -30px;
  background: rgba(255, 111, 181, 0.4);
}

@media (max-width: 520px) {
  .signup {
    grid-template-columns: 1fr;
  }

  .signup button {
    width: 100%;
  }
}