.join {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 28px;
  align-items: center;
  margin: 8px auto 56px;
  padding: 36px;
  border-radius: 28px;
  overflow: hidden;
  background:
    radial-gradient(520px 240px at 0% 0%, rgba(255, 197, 106, 0.42), transparent 62%),
    radial-gradient(420px 260px at 100% 110%, rgba(143, 216, 255, 0.32), transparent 58%),
    linear-gradient(165deg, #173049, #0c1828);
  box-shadow: 0 0 0 1px rgba(255, 214, 140, 0.35), 0 28px 70px rgba(0, 0, 0, 0.35);
}
.join h2 {
  font-family: Fraunces, Georgia, serif;
  font-weight: 560;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 0.96;
  letter-spacing: -0.03em;
  margin: 8px 0 12px;
}
.join .dek { margin: 0; color: #d5e4f4; font-size: 17px; max-width: 36rem; }
.join form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: rgba(8, 16, 28, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 20px;
  padding: 16px;
  backdrop-filter: blur(8px);
}
.join input[type="email"],
.join textarea {
  width: 100%;
  box-sizing: border-box;
  background: #fff;
  color: #142033;
  border: 0;
  border-radius: 12px;
  padding: 14px 16px;
  font: 16px/1.4 Geist, -apple-system, system-ui, sans-serif;
}
.join textarea { min-height: 72px; resize: vertical; }
.join button {
  background: linear-gradient(135deg, #ffe7b0, #ffb14a);
  color: #1a1208;
  font-weight: 700;
  border: 0;
  border-radius: 12px;
  padding: 14px 16px;
  cursor: pointer;
  font-size: 16px;
}
.join button:disabled { opacity: 0.6; cursor: wait; }
.join-note { min-height: 1.3em; margin: 0; color: #ffe7b0; font-size: 14px; }
.hp {
  position: absolute;
  left: -9999px;
  height: 0;
  width: 0;
  overflow: hidden;
}
@media (max-width: 800px) {
  .join { grid-template-columns: 1fr; padding: 22px; }
}