/* Contact form · Firebird kit · components/content/contact-form
   The contact form inside the kit dialog (chrome/dialog, size md): eyebrow and serif headline, a segmented
   topic switcher with a sliding gold thumb, editorial hairline fields with mono labels, typographic errors,
   a solid ink "Send" pill and the privacy line; then the thank-you state. Tokens only. */

.contact-form {
  display: grid;
}
.contact-form [hidden] {
  display: none !important;
}
.contact-form__compose,
.contact-form__done {
  display: grid;
  min-width: 0;
}
.contact-form__eyebrow {
  color: var(--ink-muted);
}
.contact-form__title {
  margin-top: var(--space-4);
}

/* ── Topic switcher: three radios as one segmented control ── */

.contact-form__form {
  display: grid;
  margin-top: var(--space-6);
}
.contact-form__topics {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}
.contact-form__segments {
  --pad: 3px;
  position: relative;
  display: grid;
  grid-template-columns: repeat(var(--count), minmax(0, 1fr));
  padding: var(--pad);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-pill);
}
/* The selection: a gold-rimmed pill that glides to the checked topic. */
.contact-form__thumb {
  position: absolute;
  top: var(--pad);
  bottom: var(--pad);
  left: var(--pad);
  width: calc((100% - 2 * var(--pad)) / var(--count));
  border: 1px solid color-mix(in srgb, var(--accent) 70%, transparent);
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  translate: calc(var(--active) * 100%) 0;
  transition: translate var(--dur-slow) var(--ease-out-expo);
}
.contact-form__segment {
  position: relative;
  display: grid;
}
.contact-form__segment input {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}
.contact-form__segment-label {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 40px;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-pill);
  color: var(--ink-muted);
  text-align: center;
  text-wrap: balance;
  transition: color var(--dur-base) var(--ease-standard);
}
.contact-form__segment:hover .contact-form__segment-label {
  color: var(--ink);
}
.contact-form__segment input:checked + .contact-form__segment-label {
  color: var(--accent-strong);
}
.contact-form__segment input:focus-visible + .contact-form__segment-label {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.contact-form__hint {
  min-height: 1.5em;
  margin-top: var(--space-3);
  color: var(--ink-muted);
}
.contact-form__hint.is-changing {
  animation: contact-form-hint var(--dur-slow) var(--ease-out-expo) both;
}
@keyframes contact-form-hint {
  from { opacity: 0; transform: translateY(4px); filter: blur(4px); }
}

/* ── Fields: a mono label, a hairline, and a gold ring that closes around the field on focus ── */

.contact-form__fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5) var(--space-6);
  margin-top: var(--space-6);
}
.contact-form__field--company,
.contact-form__field--message {
  grid-column: 1 / -1;
}
.contact-form__field {
  display: grid;
  align-content: start;
  gap: var(--space-3);
  min-width: 0;
}
.contact-form__label {
  color: var(--ink-muted);
}
.contact-form__optional {
  margin-left: var(--space-2);
  color: var(--ink-faint);
}
.contact-form__control {
  border-radius: var(--radius-sm);
  outline: 2px solid transparent;
  outline-offset: 12px;
  transition: outline-color var(--dur-base) var(--ease-standard), outline-offset var(--dur-base) var(--ease-out-expo);
}
.contact-form__control:focus-within {
  outline-color: var(--focus);
  outline-offset: 6px;
}
.contact-form__input {
  display: block;
  width: 100%;
  margin: 0;
  padding: var(--space-1) 0 var(--space-2);
  border: 0;
  border-bottom: 1px solid var(--hairline-strong);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: var(--text-body-l); /* 18 px: at 16 px or more, iOS doesn't zoom into the field */
  line-height: 1.45;
  transition: border-color var(--dur-base) var(--ease-standard);
}
.contact-form__input:focus,
.contact-form__input:focus-visible {
  outline: none; /* the control draws the ring */
  border-radius: 0;
}
.contact-form__input:hover {
  border-bottom-color: var(--ink-muted);
}
.contact-form__input:focus {
  border-bottom-color: transparent;
}
.contact-form__input[aria-invalid='true']:not(:focus) {
  border-bottom-color: var(--accent);
}
textarea.contact-form__input {
  min-height: calc(3lh + var(--space-1) + var(--space-2) + 1px);
  max-height: 40vh;
  max-height: 40dvh;
  overflow-y: auto;
  resize: none;
  scrollbar-width: thin;
}

/* Errors are typographic: there is no red in the kit. A gold italic line, read out with the field. */
.contact-form__error {
  font-family: var(--font-display);
  font-size: var(--text-small);
  font-style: italic;
  line-height: 1.3;
  color: var(--accent-strong);
}
.contact-form__error:not([hidden]) {
  animation: contact-form-hint var(--dur-base) var(--ease-out-expo) both;
}

.contact-form__status {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--accent-strong);
}
.contact-form__status:not(:empty) {
  margin-top: var(--space-5);
}

/* ── Send ── */

.contact-form__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4) var(--space-5);
  margin-top: var(--space-6);
}
.contact-form__send {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 14px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: var(--ink);
  color: var(--surface);
  cursor: pointer;
  transition: background var(--dur-base) var(--ease-standard), opacity var(--dur-base) var(--ease-standard);
}
.contact-form__send .glyph {
  transition: transform var(--dur-base) var(--ease-out-expo);
}
.contact-form__send:hover {
  background: var(--accent-strong);
}
.contact-form__send:hover .glyph {
  transform: translateX(3px);
}
.contact-form__send:focus-visible {
  border-radius: var(--radius-pill);
}
.contact-form__send[aria-disabled='true'] {
  opacity: 0.72;
  cursor: progress;
}
.contact-form__privacy {
  color: var(--ink-muted);
}
.contact-form__privacy a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--hairline-strong);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--dur-base) var(--ease-standard);
}
.contact-form__privacy a:hover {
  text-decoration-color: var(--accent);
}

/* ── Thank you ── */

.contact-form__done {
  outline: none;
}
.contact-form__done-text {
  max-width: 46ch;
  margin-top: var(--space-4);
  font-size: var(--text-body-l);
  color: var(--ink-muted);
}
.contact-form__direct {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--hairline);
}
.contact-form__address {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3) var(--space-5);
}
/* The address, with a gold line that draws in on hover (as in the contact section). */
.contact-form__email {
  padding-bottom: 4px;
  font-family: var(--font-display);
  font-size: var(--text-title);
  line-height: var(--leading-tight);
  color: var(--ink);
  text-decoration: none;
  background:
    linear-gradient(var(--accent), var(--accent)) 0 100% / 0% 1px no-repeat,
    linear-gradient(var(--hairline-strong), var(--hairline-strong)) 0 100% / 100% 1px no-repeat;
  transition: background-size var(--dur-slow) var(--ease-out-expo), color var(--dur-base) var(--ease-standard);
}
.contact-form__email:hover,
.contact-form__email:focus-visible {
  color: var(--accent-strong);
  background-size: 100% 1px, 100% 1px;
}
.contact-form__copy {
  padding: 10px 16px;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: border-color var(--dur-base) var(--ease-standard), background var(--dur-base) var(--ease-standard);
}
.contact-form__copy:hover {
  border-color: var(--accent);
}
.contact-form__copy:focus-visible {
  border-radius: var(--radius-pill);
}
.contact-form__copy[data-state='done'] {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-strong);
}
.contact-form__done.is-entering > * {
  animation: contact-form-rise var(--dur-slower) var(--ease-out-expo) both;
  animation-delay: calc(var(--i, 0) * 90ms);
}
@keyframes contact-form-rise {
  from { opacity: 0; transform: translateY(14px); filter: blur(8px); }
}

/* ── Phones: the dialog is a bottom sheet; one column ── */

@media (max-width: 599.98px) {
  .contact-form__fields {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-5);
  }
  .contact-form__segment-label {
    min-height: 44px;
    padding-inline: var(--space-2);
  }
  .contact-form__actions {
    display: grid;
    justify-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .contact-form__thumb,
  .contact-form__control {
    transition: none;
  }
}

/* A topic's prompt (contact.json → placeholder) in the message field. */
.contact-form__input::placeholder {
  color: var(--ink-faint);
  opacity: 1;
}