.page-contact {
  --contact-gap: clamp(20px, 3vw, 40px);
  --contact-radius: 0;
}

/* ---------- Layout ---------- */

.page-contact .contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
  margin-top: clamp(20px, 3vw, 36px);
}

@media (min-width: 900px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(260px, 340px) 1fr;
    align-items: start;
  }
}

.page-contact .contact-main {
  display: flex;
  flex-direction: column;
  gap: clamp(32px, 5vw, 60px);
  min-width: 0;
}

/* ---------- Contact board ---------- */

.page-contact .contact-board {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  background:
    linear-gradient(168deg, rgba(47, 167, 160, 0.16) 0%, rgba(28, 50, 71, 0.65) 55%, var(--steel) 100%);
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-contact .contact-board::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(232, 238, 243, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 238, 243, 0.04) 1px, transparent 1px);
  background-size: 24px 24px;
}

@media (min-width: 900px) {
  .page-contact .contact-board {
    position: sticky;
    top: calc(var(--bar-h) + 18px);
  }
}

.page-contact .contact-board > * {
  position: relative;
}

.page-contact .contact-board__title {
  margin: 14px 0 12px;
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 700;
  line-height: 1.22;
  color: var(--paper);
  text-wrap: balance;
}

.page-contact .contact-board__lede {
  margin: 0 0 22px;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(232, 238, 243, 0.78);
}

.page-contact .contact-board__list {
  margin: 0;
  padding: 0;
  border-top: 1px dashed var(--line);
}

.page-contact .contact-board__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--line);
}

@media (min-width: 520px) and (max-width: 899px) {
  .page-contact .contact-board__row {
    grid-template-columns: 92px 1fr;
    gap: 12px;
    align-items: baseline;
  }
}

.page-contact .contact-board__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lake);
}

.page-contact .contact-board__value {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.45;
  color: var(--mist);
  word-break: break-all;
}

.page-contact .contact-board__value a {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-contact .contact-board__value a:hover,
.page-contact .contact-board__value a:focus-visible {
  border-bottom-color: var(--amber);
  color: var(--paper);
}

.page-contact .contact-board__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  line-height: 1.65;
  color: rgba(232, 238, 243, 0.62);
}

/* ---------- Media ---------- */

.page-contact .contact-main__media {
  margin: 0;
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-soft);
}

.page-contact .contact-main__media img,
.page-contact .legacy__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- Feedback picker ---------- */

.page-contact .feedback {
  display: grid;
  gap: 18px;
}

.page-contact .feedback__title {
  margin: 10px 0 10px;
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.8vw, 32px);
  font-weight: 700;
  line-height: 1.22;
  color: var(--paper);
}

.page-contact .feedback__filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .filter-chip {
  appearance: none;
  background: transparent;
  border: 1.5px solid var(--line-strong);
  color: rgba(232, 238, 243, 0.72);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 8px 14px;
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-contact .filter-chip:hover,
.page-contact .filter-chip:focus-visible {
  border-color: var(--lake);
  color: var(--mist);
  outline: none;
}

.page-contact .filter-chip[aria-pressed="true"] {
  background: var(--lake);
  border-color: var(--lake);
  color: var(--night-deep);
  font-weight: 700;
}

.page-contact .feedback-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 700px) {
  .page-contact .feedback-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .feedback-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px;
  background: var(--steel);
  border: 1.5px solid var(--line);
  border-left: 4px solid var(--lake);
  transition: border-color 0.2s var(--ease);
}

.page-contact .feedback-card:hover {
  border-left-color: var(--amber);
}

.page-contact .feedback-card[data-tags~="legacy"] {
  border-left-color: var(--legacy);
}

.page-contact .feedback-card[hidden] {
  display: none !important;
}

.page-contact .feedback-card__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.4;
  color: var(--mist);
}

.page-contact .feedback-card p:last-child {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(232, 238, 243, 0.72);
}

/* ---------- Prep checklist ---------- */

.page-contact .prep {
  border-top: 1px solid var(--line);
  padding-top: clamp(10px, 2vw, 18px);
}

.page-contact .prep__grid {
  display: grid;
  gap: 20px;
}

@media (min-width: 820px) {
  .page-contact .prep__grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: 32px;
  }
}

.page-contact .prep__title {
  margin: 10px 0 10px;
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  line-height: 1.22;
  color: var(--paper);
}

.page-contact .prep__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact .prep__check {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 16px;
  background: var(--steel);
  border: 2px solid var(--line-strong);
  box-shadow: 4px 4px 0 rgba(6, 17, 28, 0.48);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), transform 0.15s var(--ease);
}

.page-contact .prep__check:hover {
  border-color: var(--lake);
}

.page-contact .prep__check:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 rgba(6, 17, 28, 0.48);
}

.page-contact .prep__check input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  margin: 0;
}

.page-contact .prep__box {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 1px;
  display: grid;
  place-items: center;
  border: 2px solid var(--lake);
  background: transparent;
  transition: background 0.2s var(--ease);
}

.page-contact .prep__box::after {
  content: "";
  width: 10px;
  height: 5px;
  margin-top: -3px;
  border-left: 2px solid var(--night-deep);
  border-bottom: 2px solid var(--night-deep);
  transform: rotate(-45deg) scale(0);
  transition: transform 0.16s var(--ease);
}

.page-contact .prep__check input:checked ~ .prep__box {
  background: var(--lake);
}

.page-contact .prep__check input:checked ~ .prep__box::after {
  transform: rotate(-45deg) scale(1);
}

.page-contact .prep__check input:focus-visible ~ .prep__box {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

.page-contact .prep__text {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--mist);
}

/* ---------- Legacy feedback ---------- */

.page-contact .legacy {
  padding: clamp(20px, 3vw, 32px);
  background: rgba(124, 143, 163, 0.1);
  border: 2px dashed var(--legacy);
}

.page-contact .legacy__head {
  display: grid;
  gap: 20px;
}

@media (min-width: 720px) {
  .page-contact .legacy__head {
    grid-template-columns: 1fr minmax(200px, 260px);
    align-items: start;
    gap: 28px;
  }
}

.page-contact .legacy__title {
  margin: 10px 0 10px;
  font-family: var(--font-serif);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 600;
  line-height: 1.24;
  color: var(--mist);
}

.page-contact .legacy .lede {
  color: rgba(232, 238, 243, 0.7);
}

.page-contact .legacy__media {
  margin: 0;
  border: 1.5px solid rgba(124, 143, 163, 0.55);
}

.page-contact .legacy__details {
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px dashed rgba(124, 143, 163, 0.5);
}

.page-contact .legacy__details summary {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--legacy);
  padding: 4px 0;
  transition: color 0.2s var(--ease);
}

.page-contact .legacy__details summary::-webkit-details-marker {
  display: none;
}

.page-contact .legacy__details summary::before {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border: 1px solid var(--legacy);
  font-size: 12px;
  line-height: 1;
}

.page-contact .legacy__details[open] summary::before {
  content: "−";
}

.page-contact .legacy__details summary:hover {
  color: var(--mist);
}

.page-contact .legacy__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

@media (min-width: 680px) {
  .page-contact .legacy__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .legacy__item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  padding: 14px;
  background: rgba(124, 143, 163, 0.09);
  border: 1px solid rgba(124, 143, 163, 0.3);
}

.page-contact .legacy__num {
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--legacy);
  margin-top: 2px;
}

.page-contact .legacy__item-title {
  margin: 0 0 4px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 14.5px;
  color: var(--mist);
}

.page-contact .legacy__item p {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(232, 238, 243, 0.68);
}

/* ---------- Collaboration ---------- */

.page-contact .collab {
  margin-top: clamp(32px, 5vw, 60px);
  padding: clamp(22px, 4vw, 44px);
  display: grid;
  justify-items: start;
  gap: 14px;
  background:
    linear-gradient(112deg, rgba(47, 167, 160, 0.18) 0%, rgba(242, 140, 69, 0.12) 70%, transparent 100%),
    var(--steel);
  border: 2px solid var(--line-strong);
  border-left: 6px solid var(--amber);
  box-shadow: var(--shadow-hard);
}

.page-contact .collab__title {
  margin: 0;
  max-width: 760px;
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 700;
  line-height: 1.24;
  color: var(--paper);
  text-wrap: balance;
}

.page-contact .collab__lede {
  margin: 0;
  max-width: 700px;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(232, 238, 243, 0.78);
}

.page-contact .collab .btn {
  margin-top: 6px;
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-contact .filter-chip,
  .page-contact .prep__check,
  .page-contact .prep__box,
  .page-contact .prep__box::after,
  .page-contact .contact-board__value a,
  .page-contact .legacy__details summary {
    transition: none;
  }
}
<<<END>>>