.card-section {
  padding: 24px 38px 0;
  position: relative;
  z-index: 3;
  height: 205px;
}

@media (min-width: 1920px) {
  .card-section {
    padding-top: 52px;
    height: 233px;
  }
}

.feature-card {
  width: 600px;
  border-radius: 10px;
  padding: 32px 16px 16px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  height: 181px;
  position: absolute;
  left: 50%;
  /* Anchor at the card's own vertical center so expansion is symmetric */
  top: calc(24px + 181px / 2);
  transform: translate(-50%, -50%);
  overflow: hidden;
  background: rgba(10, 10, 10, 0.3);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: height 1s ease, width 1s ease, background 1s ease, transform 1s ease;
}

@media (min-width: 1920px) {
  .feature-card {
    top: calc(52px + 181px / 2);
  }
}

.feature-card.is-expanded {
  width: 700px;
  height: 600px;
  z-index: 50;
  background: rgba(10, 10, 10, 0.88);
  padding: 0;
}

@media (max-width: 1919px) {
  .feature-card.is-expanded {
    transform: translate(-50%, calc(-50% - 100px));
  }
}

.feature-card.is-expanded .feature-card__text,
.feature-card.is-expanded .feature-card__input-group,
.feature-card.is-expanded .feature-card__choices {
  display: none;
}

.feature-card.has-previous .feature-card__input-group {
  display: none;
}

.feature-card__choices {
  display: none;
  flex-shrink: 0;
  gap: 8px;
  margin-top: auto;
}

.feature-card.has-previous .feature-card__choices {
  display: flex;
}

.feature-card__choice--yes,
.feature-card__choice--no {
  flex: 1;
  height: 38px;
  border-radius: 8px;
  font-family: var(--font-pixel-square);
  font-size: 13px;
  cursor: pointer;
  border: 1px solid;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.feature-card__choice--yes {
  background: var(--orange);
  color: #ffffff;
  border-color: var(--orange);
}

.feature-card__choice--yes:hover {
  background: var(--orange-dark);
  border-color: var(--orange-dark);
}

.feature-card__choice--no {
  background: transparent;
  color: rgba(255, 255, 255, 0.65);
  border-color: rgba(255, 255, 255, 0.2);
}

.feature-card__choice--no:hover {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.45);
}

.feature-card.is-expanded .feature-card__messages {
  padding: 0;
  gap: 0;
}

.feature-card__messages iframe {
  flex: 1;
  width: 100%;
  min-height: 0;
  border: none;
  display: block;
}

.feature-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 10px;
  padding: 1px;
  background: linear-gradient(to bottom,
    #ffe6cc 0%,
    #FF8400 19%,
    #FF8400 100%);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.feature-card__text {
  font-family: var(--font-pixel-square);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.5;
  color: var(--white);
  opacity: 0.9;
  min-height: 1.5em;
}

.feature-card__messages {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 8px 0 0;
}

.feature-card__message--user {
  align-self: flex-end;
  background: rgba(255, 132, 0, 0.15);
  border: 1px solid rgba(255, 132, 0, 0.35);
  border-radius: 8px;
  padding: 8px 12px;
  font-family: var(--font-pixel-square);
  font-size: 14px;
  color: var(--white);
  max-width: 80%;
  word-break: break-word;
}

.feature-card__input-group {
  display: flex;
  align-items: center;
  margin-top: 8px;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  overflow: hidden;
}

.feature-card__input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 10px 14px;
  font-family: var(--font-pixel-square);
  font-size: 17px;
  color: var(--white);
}

.feature-card__input::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.feature-card__submit {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  background: #585858;
  border: 1px solid white;
  border-radius: 8px;
  margin: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s;
}

.feature-card__submit:hover {
  background: var(--orange-dark);
}