/* =========================================================
   CONTACT — editorial split, museum-label form
   C-01 layout · C-02 polish · C-03 success state
   ========================================================= */

.contact-hero {
  padding-block: var(--space-9) var(--space-7);
}
.contact-hero__title {
  font-family: var(--font-serif);
  font-size: var(--type-display);
  line-height: 0.95;
  margin: 0;
}
.contact-hero__title em { font-style: italic; color: var(--accent); }
.contact-hero__lede {
  margin-top: var(--space-5);
  max-width: 52ch;
  font-size: var(--type-md);
  line-height: 1.6;
  color: var(--text-muted);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-9);
  padding-bottom: var(--space-10);
  align-items: start;
}
@media (min-width: 960px) {
  .contact-layout {
    grid-template-columns: 1fr 1.4fr;
  }
}

/* ---------- INFO COLUMN ---------- */
.contact-info {
  display: grid;
  gap: var(--space-6);
  align-content: start;
}
@media (min-width: 960px) {
  .contact-info {
    position: sticky;
    top: calc(var(--nav-height) + var(--space-5));
  }
}
.contact-info__item {
  display: grid;
  gap: var(--space-2);
}
.contact-info__label {
  font-family: var(--font-sans);
  font-size: var(--type-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-faint);
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}
.contact-info__label::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--accent);
  opacity: 0.7;
}
.contact-info__value {
  font-family: var(--font-serif);
  font-size: var(--type-md);
  color: var(--text);
  margin: 0;
}
.contact-info__value a {
  color: var(--text);
  border-bottom: 1px solid var(--border);
  padding-bottom: 1px;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}
.contact-info__value a:hover { color: var(--accent); border-bottom-color: var(--accent); }

.contact-socials {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-2);
}
.contact-socials a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text);
  transition: border-color var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out);
}
.contact-socials a:hover {
  background: var(--text);
  color: var(--surface);
  border-color: var(--text);
}

/* ---------- FORM WRAPPER ---------- */
.contact-shell {
  position: relative;
}
.contact-form {
  display: grid;
  gap: 0;
  transition: opacity var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out),
              max-height 600ms var(--ease-out),
              filter var(--dur-base) var(--ease-out);
  transform-origin: top center;
}
.contact-form[data-state="sent"] {
  opacity: 0;
  transform: translateY(-12px);
  pointer-events: none;
  filter: blur(2px);
  max-height: 0;
  overflow: hidden;
}

/* ---------- VALIDATION ICON (C-02) ---------- */
.field { position: relative; }
.field__icon {
  position: absolute;
  right: 4px;
  bottom: var(--space-3);
  width: 18px;
  height: 18px;
  opacity: 0;
  transform: scale(0.6);
  transition: opacity var(--dur-fast), transform var(--dur-fast);
  pointer-events: none;
  color: var(--accent);
}
.field[data-status="valid"] .field__icon  { opacity: 1; transform: scale(1); color: var(--text); }
.field[data-status="invalid"] .field__icon { opacity: 1; transform: scale(1); color: var(--accent); }
.field[data-status="valid"] .field__icon .check,
.field[data-status="invalid"] .field__icon .cross { display: block; }
.field[data-status="valid"] .field__icon .cross,
.field[data-status="invalid"] .field__icon .check { display: none; }
.field__icon .check, .field__icon .cross { display: none; }

/* ---------- BUTTON PROGRESS (C-02) ---------- */
.btn[data-loading="true"] {
  background: transparent;
  color: var(--text);
  border-color: var(--text);
  cursor: progress;
  position: relative;
  overflow: hidden;
}
.btn[data-loading="true"]::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--text);
  transform-origin: left center;
  animation: btn-progress 1.4s var(--ease-in-out) infinite;
  z-index: 0;
}
.btn[data-loading="true"] > * { position: relative; z-index: 1; mix-blend-mode: difference; color: var(--surface); }
@keyframes btn-progress {
  0%   { transform: scaleX(0); }
  50%  { transform: scaleX(0.6); }
  100% { transform: scaleX(1); }
}
@media (prefers-reduced-motion: reduce) {
  .btn[data-loading="true"]::before { animation: none; transform: scaleX(0.4); }
}

/* ---------- SUCCESS STATE (C-03) ---------- */
.contact-success {
  position: absolute;
  inset: 0;
  display: grid;
  align-content: center;
  gap: var(--space-5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--dur-base) var(--ease-out),
              transform var(--dur-base) var(--ease-out),
              visibility 0s linear var(--dur-base);
}
.contact-success[data-show="true"] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition-delay: 0s, 0s, 0s;
}
.contact-success__seal {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  display: grid;
  place-items: center;
  color: var(--accent);
  background: var(--accent-soft);
}
.contact-success__seal svg {
  width: 30px;
  height: 30px;
  stroke: currentColor;
  stroke-width: 1.5;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.contact-success__seal svg .circle {
  stroke-dasharray: 188;
  stroke-dashoffset: 188;
  animation: seal-circle 900ms var(--ease-out) forwards;
}
.contact-success__seal svg .check {
  stroke-dasharray: 36;
  stroke-dashoffset: 36;
  animation: seal-check 500ms var(--ease-out) 700ms forwards;
}
@keyframes seal-circle { to { stroke-dashoffset: 0; } }
@keyframes seal-check  { to { stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce) {
  .contact-success__seal svg .circle,
  .contact-success__seal svg .check { animation: none; stroke-dashoffset: 0; }
}
.contact-success__title {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-style: italic;
  margin: 0;
  line-height: 1.1;
}
.contact-success__body {
  font-size: var(--type-md);
  color: var(--text-muted);
  max-width: 40ch;
  margin: 0;
}
.contact-success__actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

/* ---------- ERROR ALERT ---------- */
.alert[data-show="true"] { display: block; }