/* ==========================================================================
   Maniro — Contact Page / Contact Form
   Premium floating-label form, front-end validation states, industrial
   accents (blueprint corners), professional focus effect. Placeholder only.
   ========================================================================== */

.contact-form-section {
  --field-error-color: #c9362f;
  --field-success-color: #1f8c6c;
  padding-block: 0 112px;
  background: var(--color-bg);
}

[data-theme="dark"] .contact-form-section {
  --field-error-color: #ff7a72;
  --field-success-color: #34d399;
}

.contact-form-card {
  position: relative;
  max-width: 860px;
  margin-inline: auto;
  padding: 48px 44px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: var(--shadow-md);
}

/* Blueprint corner marks — same industrial signature as the card grids */
.contact-form-card::before,
.contact-form-card::after {
  content: "";
  position: absolute;
  width: 22px;
  height: 22px;
  border: 1.5px solid var(--color-sky-dark);
  opacity: 0.55;
  pointer-events: none;
}

[data-theme="dark"] .contact-form-card::before,
[data-theme="dark"] .contact-form-card::after {
  border-color: var(--color-sky);
}

.contact-form-card::before {
  top: -1px;
  inset-inline-start: -1px;
  border-inline-end: none;
  border-bottom: none;
}

.contact-form-card::after {
  bottom: -1px;
  inset-inline-end: -1px;
  border-inline-start: none;
  border-top: none;
}

.contact-form-head {
  max-width: 520px;
  margin: 0 0 36px;
}

.contact-form-title {
  margin: 0 0 10px;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: normal;
  line-height: 1.3;
  color: var(--color-text);
}

.contact-form-subtitle {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--color-text-muted);
}

/* ---------- Grid layout ---------- */
.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 20px;
}

.form-field {
  position: relative;
  grid-column: span 1;
}

.form-field--full {
  grid-column: 1 / -1;
}

/* Small "required" mark next to the label — visual only; the required
   attribute already exposes this state to assistive technology. */
.form-field label::after {
  content: "*";
  margin-inline-start: 3px;
  color: var(--color-sky-dark);
}

[data-theme="dark"] .form-field label::after {
  color: var(--color-sky);
}

/* ---------- Floating-label inputs ---------- */
.form-field input,
.form-field textarea {
  width: 100%;
  padding: 18px 16px 8px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-subtle);
  color: var(--color-text);
  font-family: inherit;
  font-size: 15px;
  line-height: 1.5;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease),
    background-color 0.25s var(--ease);
}

.form-field textarea {
  min-height: 140px;
  padding-top: 22px;
  resize: vertical;
  line-height: 1.7;
}

.form-field input:hover,
.form-field textarea:hover {
  border-color: color-mix(in srgb, var(--color-sky) 55%, var(--color-border));
  background: var(--color-surface);
}

.form-field.is-invalid input:hover,
.form-field.is-invalid textarea:hover {
  border-color: var(--field-error-color);
}

.form-field label {
  position: absolute;
  top: 17px;
  inset-inline-start: 16px;
  font-size: 15px;
  color: var(--color-text-muted);
  pointer-events: none;
  transform-origin: top right;
  transition: top 0.2s var(--ease), font-size 0.2s var(--ease),
    color 0.2s var(--ease);
}

/* Float the label up when the field is focused or has a value. The
   `placeholder=" "` + `:not(:placeholder-shown)` pairing is what lets a
   plain input/textarea detect "has content" without any JS. */
.form-field input:focus ~ label,
.form-field input:not(:placeholder-shown) ~ label,
.form-field textarea:focus ~ label,
.form-field textarea:not(:placeholder-shown) ~ label {
  top: 7px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--color-sky-dark);
}

[data-theme="dark"] .form-field input:focus ~ label,
[data-theme="dark"] .form-field input:not(:placeholder-shown) ~ label,
[data-theme="dark"] .form-field textarea:focus ~ label,
[data-theme="dark"] .form-field textarea:not(:placeholder-shown) ~ label {
  color: var(--color-sky);
}

/* Placeholder text hidden visually but kept for :placeholder-shown detection */
.form-field input::placeholder,
.form-field textarea::placeholder {
  color: transparent;
}

/* ---------- Professional focus effect ---------- */
.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-sky);
  background: var(--color-surface);
  box-shadow: 0 0 0 4px var(--color-sky-tint), var(--shadow-sm);
}

/* Fallback outline for forced-colors / high-contrast modes, where custom
   box-shadow rings can be suppressed. */
@media (forced-colors: active) {
  .form-field input:focus,
  .form-field textarea:focus {
    outline: 2px solid CanvasText;
    outline-offset: 2px;
  }
}

/* ---------- Validation states ---------- */
.form-field.is-invalid input,
.form-field.is-invalid textarea {
  border-color: var(--field-error-color);
  background: var(--color-surface);
}

.form-field.is-invalid input:focus,
.form-field.is-invalid textarea:focus {
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--field-error-color) 18%, transparent);
}

.form-field.is-valid input,
.form-field.is-valid textarea {
  border-color: var(--field-success-color);
}

.field-error {
  display: block;
  min-height: 18px;
  margin-top: 6px;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--field-error-color);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}

.form-field.is-invalid .field-error {
  opacity: 1;
  transform: translateY(0);
}

.form-field.is-invalid input,
.form-field.is-invalid textarea {
  animation: field-shake 0.32s var(--ease);
}

@keyframes field-shake {
  0%,
  100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-4px);
  }
  75% {
    transform: translateX(4px);
  }
}

/* ---------- Submit ---------- */
.contact-form-submit {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 8px;
}

.contact-form-submit .btn {
  min-width: 168px;
}

.contact-form-submit .btn svg {
  width: 16px;
  height: 16px;
  margin-inline-start: 8px;
  stroke: currentColor;
  transition: transform 0.25s var(--ease);
}

.contact-form-submit .btn:hover svg {
  transform: translateX(-3px);
}

.form-status {
  font-size: 13.5px;
  font-weight: 600;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
}

.form-status.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.form-status.is-success {
  color: var(--field-success-color);
}

.form-status.is-error {
  color: var(--field-error-color);
}

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .contact-form-card {
    padding: 36px 26px;
  }

  .contact-form-title {
    font-size: 22px;
  }
}

@media (max-width: 640px) {
  .contact-form {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .contact-form-submit {
    flex-direction: column-reverse;
    align-items: stretch;
  }

  .contact-form-submit .btn {
    width: 100%;
  }

  .form-status {
    text-align: center;
  }
}

@media (max-width: 420px) {
  .contact-form-card {
    padding: 28px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .form-field.is-invalid input,
  .form-field.is-invalid textarea {
    animation: none;
  }
}