.config-shell {
  width: 100%;
  padding: clamp(24px, 4vw, 52px);
  background: #101314;
  color: #f3f2e9;
}

.config-heading {
  max-width: 780px;
  margin-bottom: 38px;
}

.start-section .config-heading h2 {
  font-size: clamp(38px, 5vw, 76px);
  line-height: 1;
  letter-spacing: -.045em;
}

.config-heading h2 em {
  color: #ddff59;
  font-style: normal;
}

.config-heading > p:last-child {
  max-width: 650px;
  color: #b7c0ba;
  font-size: 18px;
  line-height: 1.65;
}

.config-layout {
  max-width: 780px;
}

.config-form,
.config-form fieldset {
  min-width: 0;
}

.config-form fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

.config-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 21px;
}

.config-fields label,
.config-optional-fields label {
  display: grid;
  gap: 9px;
  font-size: 14px;
  font-weight: 650;
}

.config-fields input,
.config-fields select,
.config-fields textarea,
.config-optional-fields input {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  padding: 15px;
  border: 1px solid #657168;
  border-radius: 0;
  background: #1b221f;
  color: #f3f2e9;
  font: inherit;
  font-size: 16px;
}

.config-fields select {
  appearance: auto;
}

.config-fields textarea {
  min-height: 150px;
  resize: vertical;
  line-height: 1.55;
}

.config-fields input:focus,
.config-fields select:focus,
.config-fields textarea:focus,
.config-optional-fields input:focus {
  outline: 2px solid #ddff59;
  outline-offset: 2px;
}

.config-form input::placeholder,
.config-form textarea::placeholder {
  color: #a1afa5;
}

.field-help {
  color: #aeb8b1;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.5;
}

.config-optional {
  border-top: 1px solid #465148;
  border-bottom: 1px solid #465148;
}

.config-optional summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 17px 0;
  cursor: pointer;
  color: #f3f2e9;
  font-size: 15px;
  font-weight: 700;
}

.config-optional summary span {
  color: #aeb8b1;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.config-optional[open] summary {
  padding-bottom: 20px;
}

.config-optional-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  padding-bottom: 22px;
}

.config-consent {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 11px;
  align-items: start;
  margin: 24px 0 8px;
  color: #d6ddd7;
  font-size: 13px;
  line-height: 1.55;
}

.config-consent input {
  width: 18px;
  height: 18px;
  margin: 2px 0 0;
  accent-color: #ddff59;
}

.config-consent a,
.config-fine a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.config-fine {
  color: #b7c0ba;
  font-size: 13px;
  line-height: 1.7;
}

.config-actions {
  display: flex;
  margin-top: 25px;
}

.config-form button {
  min-height: 50px;
  padding: 13px 20px;
  border: 1px solid #ddff59;
  background: #ddff59;
  color: #11170d;
  cursor: pointer;
  font: inherit;
  font-weight: 750;
}

.config-form button:focus-visible,
.config-form a:focus-visible,
.config-optional summary:focus-visible {
  outline: 2px solid #ddff59;
  outline-offset: 4px;
}

.config-form button:disabled {
  cursor: wait;
  opacity: .65;
}

.config-form #form-status {
  min-height: 1.6em;
  margin-top: 18px;
  color: #ddff59;
  line-height: 1.6;
}

.config-form #form-status[data-tone="error"] {
  color: #ffb5a8;
}

.config-form #form-status[data-tone="success"] {
  color: #ddff59;
}

.config-form input:invalid:not(:placeholder-shown),
.config-form textarea:invalid:not(:placeholder-shown) {
  border-color: #ffb5a8;
}

.config-honeypot {
  position: absolute !important;
  left: -10000px !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
}

.start-section:has(.config-shell) {
  display: block;
}

@media (max-width: 640px) {
  .config-shell {
    padding: 24px 18px 28px;
  }

  .config-heading {
    margin-bottom: 28px;
  }

  .config-heading > p:last-child {
    font-size: 16px;
  }

  .config-optional-fields {
    grid-template-columns: 1fr;
  }

  .config-form button {
    width: 100%;
  }
}