.demo-card {
  overflow: hidden;
  border-radius: 22px;
  background: linear-gradient(180deg, #fff8f5 0%, #fff 72%);
  border: 1px solid rgba(255, 112, 91, 0.18);
  box-shadow: 0 10px 36px rgba(15, 23, 42, 0.08);
}

.demo-card__head {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 1.15rem 1.1rem 0;
}

.demo-card__ico {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 13px;
  background: rgba(255, 112, 91, 0.12);
  color: #ff705b;
}

.demo-card__head h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: #303030;
}

.demo-card__head p {
  margin: 0.1rem 0 0;
  font-size: 0.78rem;
  color: #78716c;
}

.demo-card__body {
  padding: 1rem 1.1rem 1.15rem;
}

.demo-card__label {
  display: block;
  margin: 0 0 0.35rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #ff705b;
}

.demo-card__inbox {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  border: 1px solid rgba(48, 48, 48, 0.12);
  background: #fafaf9;
  border-radius: 14px;
  padding: 0 0.85rem;
}

.demo-card__inbox:focus-within {
  border-color: #ff705b;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(255, 112, 91, 0.14);
}

.demo-card__inbox svg {
  flex: 0 0 auto;
  color: #959595;
}

.demo-card__inbox input {
  width: 100%;
  border: 0;
  background: transparent;
  padding: 0.88rem 0;
  font: inherit;
  font-size: 0.98rem;
  color: #303030;
  outline: none;
}

.demo-card__submit {
  appearance: none;
  border: 0;
  width: 100%;
  margin-top: 0.7rem;
  border-radius: 14px;
  background: #ff705b;
  color: #fff;
  font: inherit;
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.88rem 1.1rem;
  cursor: pointer;
  box-shadow: 0 12px 28px rgba(255, 112, 91, 0.28);
}

.demo-card__submit:hover {
  filter: brightness(0.98);
}

.demo-card__submit:disabled {
  opacity: 0.65;
  cursor: wait;
}

.demo-card__fine {
  margin: 0.65rem 0 0;
  font-size: 0.74rem;
  line-height: 1.4;
  color: #959595;
  text-align: center;
}

.demo-card__error {
  margin: 0.55rem 0 0;
  font-size: 0.78rem;
  line-height: 1.4;
  color: #b45309;
  text-align: center;
}

.demo-card__error[hidden],
.demo-card__thanks[hidden],
.demo-card__form[hidden] {
  display: none;
}

.demo-card__thanks {
  text-align: center;
  padding: 0.6rem 0.2rem 0.35rem;
}

.demo-card__mark {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  margin: 0 auto;
  border-radius: 999px;
  background: #fff3ee;
  color: #ff705b;
}

.demo-card__thanks h3 {
  margin: 0.7rem 0 0.35rem;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  color: #303030;
}

.demo-card__thanks p {
  margin: 0;
  color: #78716c;
  font-size: 0.9rem;
  line-height: 1.45;
}

.demo-card__hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}