.inquiry-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 76% 28%, rgba(102, 214, 230, 0.12), transparent 26rem),
    radial-gradient(circle at 18% 78%, rgba(139, 104, 229, 0.12), transparent 30rem),
    #01040a;
}

.inquiry-header {
  grid-template-columns: auto 1fr auto;
}

.inquiry-header .header-back {
  justify-self: end;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-decoration: none;
  text-transform: uppercase;
}

.inquiry-header .header-back:hover {
  color: var(--text);
}

.inquiry-main {
  position: relative;
  isolation: isolate;
  min-height: calc(100vh - var(--header-height));
  padding: clamp(112px, 15vw, 168px) 0 90px;
  overflow: hidden;
}

.inquiry-main::before {
  position: absolute;
  z-index: -2;
  inset: 0;
  content: "";
  background-image: url("assets/ioai-gateway-crystalline_CDX.jpg");
  background-position: 72% 42%;
  background-size: cover;
  filter: saturate(0.85) brightness(0.48);
  opacity: 0.22;
}

.inquiry-main::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(1, 4, 10, 0.98) 0%, rgba(1, 4, 10, 0.91) 48%, rgba(1, 4, 10, 0.64) 100%),
    linear-gradient(to bottom, rgba(1, 4, 10, 0.2), #01040a 96%);
}

.inquiry-shell {
  width: var(--shell);
  max-width: 1180px;
  margin: 0 auto;
}

.inquiry-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(380px, 1.08fr);
  gap: clamp(46px, 7vw, 94px);
  align-items: start;
}

.inquiry-copy {
  position: sticky;
  top: calc(var(--header-height) + 54px);
  padding-top: 26px;
}

.inquiry-copy h1 {
  max-width: 760px;
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-size: clamp(3.2rem, 6.5vw, 6rem);
  font-weight: 450;
  letter-spacing: -0.055em;
  line-height: 0.96;
}

.inquiry-copy h1 em {
  color: var(--cyan);
  font-weight: inherit;
}

.inquiry-copy .lead {
  max-width: 620px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.5vw, 1.28rem);
  line-height: 1.7;
}

.inquiry-panel {
  position: relative;
  padding: clamp(26px, 4vw, 46px);
  border: 1px solid rgba(112, 210, 226, 0.18);
  border-radius: 18px;
  background:
    linear-gradient(145deg, rgba(10, 20, 33, 0.92), rgba(4, 9, 17, 0.96)),
    rgba(3, 8, 15, 0.94);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.035), 0 28px 90px rgba(0, 0, 0, 0.34);
  overflow: hidden;
}

.inquiry-panel::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, rgba(109, 220, 232, 0.7), rgba(210, 164, 99, 0.36), transparent);
}

.form-status {
  margin: 0 0 26px;
  padding: 17px 18px;
  border: 1px solid rgba(112, 210, 226, 0.22);
  border-radius: 10px;
  background: rgba(95, 205, 220, 0.075);
  color: var(--text);
  font-size: 0.92rem;
  line-height: 1.55;
}

.form-status.is-error {
  border-color: rgba(225, 132, 126, 0.3);
  background: rgba(170, 65, 60, 0.09);
}

.inquiry-form {
  display: grid;
  gap: 22px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-field {
  display: grid;
  gap: 9px;
}

.form-field label,
.form-legend {
  color: var(--text);
  font-size: 0.74rem;
  font-weight: 750;
  letter-spacing: 0.085em;
  text-transform: uppercase;
}

.form-field .optional {
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: none;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid rgba(113, 209, 224, 0.17);
  border-radius: 9px;
  outline: none;
  background: rgba(1, 5, 11, 0.74);
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  line-height: 1.5;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.form-field input {
  min-height: 52px;
  padding: 12px 14px;
}

.form-field select {
  min-height: 52px;
  padding: 12px 42px 12px 14px;
  cursor: pointer;
}

.form-field textarea {
  min-height: 172px;
  padding: 14px;
  resize: vertical;
}

.form-field input:hover,
.form-field select:hover,
.form-field textarea:hover {
  border-color: rgba(113, 209, 224, 0.3);
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: rgba(108, 222, 234, 0.72);
  background: rgba(2, 8, 15, 0.92);
  box-shadow: 0 0 0 4px rgba(108, 222, 234, 0.08);
}

.form-field input[aria-invalid="true"],
.form-field select[aria-invalid="true"],
.form-field textarea[aria-invalid="true"] {
  border-color: rgba(225, 132, 126, 0.7);
}

.field-error {
  margin: -2px 0 0;
  color: #f0aaa4;
  font-size: 0.78rem;
  line-height: 1.45;
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 3px;
}

.form-actions .button {
  min-width: 190px;
}

.form-actions p {
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.5;
}

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

.inquiry-footer {
  margin-top: 58px;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-align: center;
}

[data-theme="light"] .inquiry-page {
  background: #edf4f7;
}

[data-theme="light"] .inquiry-main::after {
  background:
    linear-gradient(90deg, rgba(239, 247, 249, 0.98) 0%, rgba(239, 247, 249, 0.94) 50%, rgba(230, 241, 244, 0.74) 100%),
    linear-gradient(to bottom, rgba(239, 247, 249, 0.12), #edf4f7 96%);
}

[data-theme="light"] .inquiry-panel {
  border-color: rgba(26, 113, 129, 0.18);
  background: rgba(248, 252, 253, 0.94);
  box-shadow: 0 28px 80px rgba(27, 75, 84, 0.12);
}

[data-theme="light"] .form-field input,
[data-theme="light"] .form-field select,
[data-theme="light"] .form-field textarea {
  border-color: rgba(32, 111, 125, 0.2);
  background: rgba(255, 255, 255, 0.86);
}

@media (max-width: 900px) {
  .inquiry-intro {
    grid-template-columns: 1fr;
  }

  .inquiry-copy {
    position: static;
    max-width: 720px;
    padding-top: 0;
  }
}

@media (max-width: 680px) {
  .inquiry-header {
    grid-template-columns: 1fr auto;
  }

  .inquiry-header .brand {
    min-width: 0;
  }

  .inquiry-header .header-back {
    display: none;
  }

  .inquiry-main {
    padding: 96px 0 62px;
  }

  .inquiry-copy h1 {
    font-size: clamp(3rem, 15vw, 4.6rem);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .form-actions {
    display: grid;
  }

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