/* ═══════════════════════════════════════════════════════════
   RELAY BOARD — Appily Sixtytwo contact.php only
   Signal mast · gradient-mask nodes · wire-matrix form · patch bay.
   Independent of Post Flap (pf-*), Cable Desk, Mail Pier.
   Hooks: #vmCnForm/#vmCn*, .a60x-cn-*, topic chips, char count.
   ═══════════════════════════════════════════════════════════ */

.page-contact {
  --rb-ink: #12141C;
  --rb-ink-soft: #3A4150;
  --rb-mute: #6B7382;
  --rb-paper: #E9EDF2;
  --rb-panel: #FFFFFF;
  --rb-line: #C8D0DA;
  --rb-jade: #059669;
  --rb-jade-deep: #047857;
  --rb-jade-soft: rgba(5, 150, 105, 0.12);
  --rb-volt: #CA8A04;
  --rb-volt-soft: rgba(202, 138, 4, 0.14);
  --rb-navy: #1E3A5F;
  --rb-navy-soft: rgba(30, 58, 95, 0.12);
  --rb-ok: #059669;
  --rb-danger: #BE123C;
  --rb-display: "Literata", Georgia, "Times New Roman", serif;
  --rb-sans: "Red Hat Display", "Segoe UI", system-ui, sans-serif;
  --rb-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --rb-spring: cubic-bezier(0.34, 1.35, 0.64, 1);
  --rb-h1: clamp(2.15rem, 1.35rem + 3.2vw, 3.45rem);
  --rb-fluid: clamp(0.92rem, 0.84rem + 0.35vw, 1.05rem);
}

.page-contact .rm-stage,
.page-contact .a62-prism-stage {
  background:
    radial-gradient(ellipse 48% 40% at 0% 0%, var(--rb-jade-soft), transparent 58%),
    radial-gradient(ellipse 42% 34% at 100% 8%, var(--rb-navy-soft), transparent 52%),
    linear-gradient(180deg, #F3F6F9 0%, var(--rb-paper) 50%, #DDE4EC 100%) !important;
  color: var(--rb-ink) !important;
  font-family: var(--rb-sans);
}

.page-contact .page-main {
  max-width: none;
  background: transparent !important;
  padding: 0 0 3.75rem;
  color: var(--rb-ink) !important;
}

.page-contact .page-main h1,
.page-contact .page-main h2,
.page-contact .page-main h3,
.page-contact .page-main p,
.page-contact .page-main span,
.page-contact .page-main a,
.page-contact .page-main strong,
.page-contact .page-main em,
.page-contact .page-main label,
.page-contact .page-main li,
.page-contact .page-main button,
.page-contact .page-main small,
.page-contact .page-main i {
  color: inherit;
}

.page-contact .a62-spine { display: none !important; }

.rb-board,
.cb-desk {
  width: min(1080px, calc(100% - 2 * clamp(0.85rem, 2.4vw, 1.65rem)));
  margin: 0 auto;
  padding: clamp(1rem, 2.8vw, 1.75rem) 0 0;
  display: grid;
  gap: clamp(1.1rem, 2.4vw, 1.65rem);
  container-type: inline-size;
  container-name: relay;
}

.rb-kicker {
  margin: 0 0 0.35rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rb-jade);
}

/* Mast */
.rb-mast {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 1rem 1.5rem;
  align-items: end;
  animation: rbRise 0.5s var(--rb-ease) both;
}

.rb-mast h1 {
  margin: 0;
  font-family: var(--rb-display);
  font-size: var(--rb-h1);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.rb-mast h1 em {
  font-style: italic;
  color: var(--rb-jade);
}

.rb-lede {
  margin: 0.6rem 0 0;
  max-width: 42ch;
  color: var(--rb-ink-soft);
  font-size: var(--rb-fluid);
  line-height: 1.55;
}

.rb-signal {
  display: flex;
  align-items: flex-end;
  gap: 0.35rem;
  height: 3.25rem;
  padding: 0.55rem 0.7rem;
  background: var(--rb-panel);
  border: 1px solid var(--rb-line);
}

.rb-signal span {
  width: 0.45rem;
  border-radius: 2px 2px 0 0;
  background: var(--rb-line);
  animation: rbPulse 1.4s var(--rb-ease) infinite;
}

.rb-signal span:nth-child(1) { height: 28%; animation-delay: 0s; }
.rb-signal span:nth-child(2) { height: 48%; animation-delay: 0.12s; }
.rb-signal span:nth-child(3) { height: 68%; animation-delay: 0.24s; background: var(--rb-jade); }
.rb-signal span:nth-child(4) { height: 88%; animation-delay: 0.36s; background: var(--rb-jade); }
.rb-signal span:nth-child(5) { height: 100%; animation-delay: 0.48s; background: var(--rb-volt); }

@container relay (max-width: 640px) {
  .rb-mast {
    grid-template-columns: 1fr;
  }
  .rb-signal {
    justify-self: start;
  }
}

/* Office nodes with gradient-mask borders */
.rb-nodes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  animation: rbRise 0.55s var(--rb-ease) 0.06s both;
}

@container relay (max-width: 800px) {
  .rb-nodes {
    grid-template-columns: 1fr;
  }
}

.rb-node {
  position: relative;
  padding: 1.05rem 1.05rem 1.15rem;
  background: var(--rb-panel);
  isolation: isolate;
  opacity: 0;
  animation: rbRise 0.45s calc(0.08s + var(--ni, 0) * 0.06s) var(--rb-ease) forwards;
}

.rb-node::before {
  content: "";
  position: absolute;
  inset: 0;
  padding: 2px;
  background: linear-gradient(145deg, var(--rb-jade), var(--rb-navy));
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  z-index: 0;
}

.rb-node--volt::before {
  background: linear-gradient(145deg, var(--rb-volt), var(--rb-jade));
}

.rb-node--ink::before {
  background: linear-gradient(145deg, var(--rb-navy), #64748B);
}

.rb-node > * {
  position: relative;
  z-index: 1;
}

.rb-node-code {
  display: inline-block;
  margin-bottom: 0.45rem;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--rb-jade);
}

.rb-node--volt .rb-node-code { color: var(--rb-volt); }
.rb-node--ink .rb-node-code { color: var(--rb-navy); }

.rb-node h2 {
  margin: 0 0 0.55rem;
  font-family: var(--rb-display);
  font-size: clamp(1.1rem, 1rem + 0.45vw, 1.3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.rb-node-body p,
.rb-node-body a {
  margin: 0 0 0.3rem;
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--rb-ink-soft);
  word-break: break-word;
}

.rb-node-body a {
  color: var(--rb-jade-deep);
  font-weight: 600;
  text-decoration: none;
}

.rb-node-body a:hover {
  color: var(--rb-navy);
  text-decoration: underline;
}

.rb-node-body p:last-child,
.rb-node-body a:last-child {
  margin-bottom: 0;
}

/* Wire matrix form */
.rb-matrix {
  position: relative;
  padding: clamp(1.15rem, 2.5vw, 1.55rem);
  background: var(--rb-panel);
  isolation: isolate;
  animation: rbRise 0.55s var(--rb-ease) 0.1s both;
}

.rb-matrix::before {
  content: "";
  position: absolute;
  inset: 0;
  padding: 2px;
  background: linear-gradient(160deg, var(--rb-jade) 0%, var(--rb-volt) 45%, var(--rb-navy) 100%);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  z-index: 0;
}

.rb-matrix > * {
  position: relative;
  z-index: 1;
}

.rb-matrix-head h2 {
  margin: 0 0 0.35rem;
  font-family: var(--rb-display);
  font-size: clamp(1.45rem, 1.15rem + 1.1vw, 1.95rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.rb-matrix-head > p:not(.rb-kicker) {
  margin: 0 0 1.15rem;
  color: var(--rb-mute);
  font-size: 0.92rem;
}

.rb-alert {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin-bottom: 1rem;
  padding: 0.8rem 0.95rem;
  background: rgba(190, 18, 60, 0.08);
  border-left: 3px solid var(--rb-danger);
  font-weight: 600;
}

.rb-alert span {
  flex-shrink: 0;
  width: 1.3rem;
  height: 1.3rem;
  display: grid;
  place-items: center;
  background: var(--rb-danger);
  color: #fff;
  font-weight: 800;
  font-size: 0.8rem;
}

.rb-ack {
  text-align: center;
  padding: 1.5rem 1rem;
}

.rb-ack-mark {
  display: block;
  width: 3rem;
  height: 3rem;
  margin: 0 auto 0.85rem;
  border-radius: 50%;
  background: var(--rb-jade);
  position: relative;
}

.rb-ack-mark::after {
  content: "";
  position: absolute;
  left: 1.05rem;
  top: 0.7rem;
  width: 0.5rem;
  height: 1rem;
  border-right: 2.5px solid #fff;
  border-bottom: 2.5px solid #fff;
  transform: rotate(40deg);
}

.rb-ack h2 {
  margin: 0 0 0.45rem;
  font-family: var(--rb-display);
  font-size: 1.65rem;
  font-weight: 700;
}

.rb-ack p {
  margin: 0 0 1.15rem;
  color: var(--rb-ink-soft);
  line-height: 1.5;
  max-width: 36ch;
  margin-inline: auto  auto;
  margin-left: auto;
  margin-right: auto;
}

/* Fields */
.rb-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-areas:
    "name email"
    "phone phone"
    "message message";
  gap: 0.85rem;
  container-type: inline-size;
  container-name: fields;
  margin-bottom: 1rem;
}

.rb-field:nth-child(1) { grid-area: name; }
.rb-field:nth-child(2) { grid-area: email; }
.rb-field:nth-child(3) { grid-area: phone; }
.rb-field-message { grid-area: message; }

@container fields (max-width: 480px) {
  .rb-fields {
    grid-template-columns: 1fr;
    grid-template-areas:
      "name"
      "email"
      "phone"
      "message";
  }
}

.rb-field,
.a60x-cn-field {
  display: grid;
  gap: 0.35rem;
  opacity: 0;
  animation: rbRise 0.4s calc(0.1s + var(--fi, 0) * 0.05s) var(--rb-ease) forwards;
}

.rb-field label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--rb-mute);
}

.rb-field label i {
  font-style: normal;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 0.15rem 0.35rem;
  background: var(--rb-jade-soft);
  color: var(--rb-jade-deep);
}

.rb-field label em {
  font-style: normal;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--rb-mute);
  opacity: 0.8;
}

.page-contact .rb-field input,
.page-contact .rb-field textarea,
.page-contact .a60x-cn-field input,
.page-contact .a60x-cn-field textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 0.75rem 0.85rem;
  border: 1.5px solid var(--rb-line);
  background: #F5F7FA;
  font-family: var(--rb-sans);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--rb-ink);
  border-radius: 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 0.4rem), calc(100% - 0.4rem) 100%, 0 100%);
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.page-contact .rb-field textarea,
.page-contact .a60x-cn-field textarea {
  min-height: 8rem;
  resize: vertical;
  clip-path: none;
}

.page-contact .rb-field input:focus,
.page-contact .rb-field textarea:focus,
.page-contact .a60x-cn-field.is-focus input,
.page-contact .a60x-cn-field.is-focus textarea {
  outline: none;
  border-color: var(--rb-jade);
  background: #fff;
  box-shadow: 0 0 0 3px var(--rb-jade-soft);
}

.rb-field.is-valid input,
.rb-field.is-valid textarea,
.a60x-cn-field.is-valid input,
.a60x-cn-field.is-valid textarea {
  border-color: var(--rb-ok);
}

.rb-field.is-invalid input,
.rb-field.is-invalid textarea,
.a60x-cn-field.is-invalid input,
.a60x-cn-field.is-invalid textarea {
  border-color: var(--rb-danger);
}

.rb-hint,
.a60x-cn-field-hint {
  min-height: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--rb-mute);
}

.rb-field.is-valid .rb-hint,
.a60x-cn-field.is-valid .a60x-cn-field-hint {
  color: var(--rb-ok);
}

.rb-field.is-invalid .rb-hint,
.a60x-cn-field.is-invalid .a60x-cn-field-hint {
  color: var(--rb-danger);
}

.rb-char,
.a60x-cn-char-count {
  justify-self: end;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--rb-mute);
  font-variant-numeric: tabular-nums;
}

.rb-char.is-warn,
.a60x-cn-char-count.is-warn {
  color: var(--rb-volt);
}

/* Topics */
.rb-topics {
  margin-bottom: 1.15rem;
}

.rb-topics-label {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rb-mute);
}

.rb-topic-row,
.a60x-cn-topic-hints {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.rb-topic,
.a60x-cn-topic-chip {
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--rb-line);
  background: #F5F7FA;
  font-family: var(--rb-sans);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--rb-ink-soft);
  cursor: pointer;
  clip-path: polygon(0.4rem 0, 100% 0, calc(100% - 0.4rem) 100%, 0 100%);
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.rb-topic:hover,
.a60x-cn-topic-chip:hover {
  border-color: var(--rb-jade);
  background: var(--rb-jade-soft);
  color: var(--rb-jade-deep);
}

.rb-form-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.85rem 1.25rem;
}

.rb-note {
  margin: 0;
  font-size: 0.78rem;
  color: var(--rb-mute);
  max-width: 28ch;
  line-height: 1.4;
}

/* Buttons */
.rb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.85rem;
  padding: 0.75rem 1.35rem;
  font-family: var(--rb-sans);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s var(--rb-spring);
}

.rb-btn:active { transform: scale(0.98); }

.rb-btn-solid {
  background: var(--rb-jade);
  color: #fff !important;
  border-color: var(--rb-jade);
  clip-path: polygon(0.65rem 0, 100% 0, calc(100% - 0.65rem) 100%, 0 100%);
}

.rb-btn-solid:hover {
  background: var(--rb-jade-deep);
  border-color: var(--rb-jade-deep);
}

.rb-btn-line {
  background: transparent;
  color: var(--rb-ink) !important;
  border-color: var(--rb-ink);
}

.rb-btn-line:hover {
  background: var(--rb-ink);
  color: #fff !important;
}

/* Patch bay links */
.rb-patch {
  animation: rbRise 0.55s var(--rb-ease) 0.14s both;
}

.rb-patch-kicker {
  margin: 0 0 0.65rem;
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rb-mute);
}

.rb-patch-row {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.5rem;
}

.rb-patch-row li {
  opacity: 0;
  animation: rbRise 0.4s calc(0.1s + var(--li, 0) * 0.04s) var(--rb-ease) forwards;
}

.rb-cable {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.7rem 0.8rem;
  background: var(--rb-panel);
  border: 1px solid var(--rb-line);
  text-decoration: none;
  color: var(--rb-ink);
  font-size: 0.88rem;
  font-weight: 700;
  transition: border-color 0.2s, transform 0.25s var(--rb-spring), background 0.2s;
}

.rb-cable:hover {
  border-color: var(--rb-jade);
  background: var(--rb-jade-soft);
  transform: translateX(3px);
}

.rb-cable-plug {
  flex-shrink: 0;
  width: 1.85rem;
  height: 1.85rem;
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  font-weight: 800;
  color: #fff;
  background: var(--rb-navy);
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
}

.rb-cable:hover .rb-cable-plug {
  background: var(--rb-jade);
}

@keyframes rbRise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

@keyframes rbPulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .rb-mast,
  .rb-nodes,
  .rb-node,
  .rb-matrix,
  .rb-field,
  .rb-patch,
  .rb-patch-row li,
  .rb-signal span {
    animation: none !important;
    opacity: 1 !important;
  }
}