/* ========================================================================== 
   INDEPENDENT CONTACT PAGE
   Only contact.html uses these components.
   ========================================================================== */
.contact-header-shell { gap: 18px; }
.header-back {
  margin-inline: auto;
  padding: .55rem .72rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 10px;
  color: var(--text-soft);
  font-size: .78rem;
  font-weight: 730;
  transition: color .2s var(--ease), background-color .2s var(--ease);
}
.header-back:hover { color: var(--text); background: var(--surface-muted); }

.contact-page-main { padding-top: clamp(34px, 5vw, 72px); padding-bottom: clamp(72px, 8vw, 120px); }
.contact-form-layout { grid-template-columns: minmax(0, 1.35fr) minmax(320px, .65fr); align-items: start; }
.contact-form-panel { padding: clamp(28px, 4.5vw, 58px); }
.contact-page-title {
  max-width: 900px;
  margin: 14px 0 18px;
  font-size: clamp(2.2rem, 5vw, 5.1rem);
  line-height: 1.03;
  letter-spacing: -.055em;
  text-wrap: balance;
}
.contact-page-intro { max-width: 760px; margin: 0; color: var(--text-soft); font-size: .96rem; }

.contact-form { margin-top: 34px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { display: grid; gap: 7px; }
.form-field--wide { grid-column: 1 / -1; }
.form-field label { color: var(--text-soft); font-size: .74rem; font-weight: 760; }
.form-field input,
.form-field textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: color-mix(in srgb, var(--surface-elevated) 86%, transparent);
  color: var(--text);
  padding: .82rem .9rem;
  outline: 0;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background-color .2s var(--ease);
}
.form-field textarea { min-height: 190px; resize: vertical; line-height: 1.55; }
.form-field input::placeholder,
.form-field textarea::placeholder { color: var(--text-faint); opacity: .72; }
@media (hover: hover) {
  .form-field input:hover:not(:focus):not(.is-invalid),
  .form-field textarea:hover:not(:focus):not(.is-invalid) {
    border-color: color-mix(in srgb, var(--accent) 48%, var(--line-strong));
    background: color-mix(in srgb, var(--accent-soft) 14%, var(--surface-elevated));
  }
}
.form-field input:focus,
.form-field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 12%, transparent); background: var(--surface-elevated); }
.form-field input.is-invalid,
.form-field textarea.is-invalid { border-color: #b84e4e; box-shadow: 0 0 0 4px color-mix(in srgb, #b84e4e 10%, transparent); }
.field-error { min-height: 1.1rem; color: #a94343; font-size: .68rem; }
html[data-theme="dark"] .field-error { color: #f08f8f; }
.field-error--privacy { display: block; margin-top: 4px; }

.privacy-check { margin-top: 18px; display: flex; align-items: flex-start; gap: 10px; color: var(--text-soft); font-size: .75rem; cursor: pointer; }
.privacy-check input { width: 17px; height: 17px; margin: 2px 0 0; accent-color: var(--accent); }
.form-submit { margin-top: 20px; min-width: 190px; }
.form-submit:disabled { opacity: .62; cursor: wait; transform: none; }
.form-honeypot { position: absolute !important; width: 1px !important; height: 1px !important; overflow: hidden !important; clip: rect(0 0 0 0) !important; white-space: nowrap !important; }

.form-status {
  width: fit-content;
  max-width: 100%;
  min-height: 0;
  margin: 18px 0 -4px;
  padding: 7px 10px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface-muted);
  line-height: 1.35;
}
.form-status strong { font-size: .74rem; }
.form-status span { color: var(--text-soft); font-size: .68rem; }
.form-status--success { border-color: color-mix(in srgb, var(--signal) 55%, var(--line)); background: color-mix(in srgb, var(--signal) 10%, var(--surface)); }
.form-status--error { border-color: color-mix(in srgb, #b84e4e 55%, var(--line)); background: color-mix(in srgb, #b84e4e 8%, var(--surface)); }
.form-status--info { border-color: color-mix(in srgb, var(--accent) 40%, var(--line)); }

.contact-form-aside { grid-template-columns: 1fr; }
.contact-guide-panel,
.contact-registry-panel { padding: 26px; }
.contact-guide-panel h2 { margin: 24px 0 8px; font-size: clamp(1.45rem, 2.7vw, 2.4rem); line-height: 1.08; letter-spacing: -.045em; }
.contact-guide-list { margin-top: 22px; display: grid; }
.contact-guide-list li { padding: 18px 0; display: grid; grid-template-columns: 34px 1fr; gap: 12px; border-bottom: 1px solid var(--line); }
.contact-guide-list li:last-child { border-bottom: 0; }
.contact-guide-list span { color: var(--accent); font: 700 .65rem/1.55 var(--font-mono); }
.contact-guide-list p { margin: 0; color: var(--text-soft); font-size: .8rem; }
.contact-registry-panel .contact-data { margin-top: 12px; }

@media (max-width: 980px) {
  .contact-form-layout { grid-template-columns: 1fr; }
  .contact-form-aside { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .contact-header-shell .brand-copy { display: none; }
  .contact-header-shell .brand { min-width: auto; }
  .header-back { margin-inline: auto 0; font-size: .7rem; }
  .form-grid { grid-template-columns: 1fr; }
  .form-field--wide { grid-column: auto; }
  .contact-form-aside { grid-template-columns: 1fr; }
  .contact-page-title { font-size: clamp(2rem, 10.5vw, 3.5rem); }
  .form-submit { width: 100%; }
}
@media (max-width: 480px) {
  .header-back span:last-child { display: none; }
  .header-back { min-width: 36px; justify-content: center; }
}