.page-contact {
  --contact-line: rgba(36, 67, 95, 0.62);
  --contact-glow: rgba(39, 225, 193, 0.16);
  --contact-panel: #10263d;
}

.page-contact a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(16px, 3vw, 28px) 0 clamp(40px, 6vw, 70px);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: -30% -12% auto;
  height: 140%;
  background:
    radial-gradient(circle at 80% 16%, var(--contact-glow), transparent 46%),
    radial-gradient(circle at 8% 84%, rgba(242, 184, 75, 0.08), transparent 54%);
  pointer-events: none;
}

.page-contact .contact-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .breadcrumb {
  margin-bottom: clamp(20px, 4vw, 36px);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(30px, 5vw, 56px);
}

.page-contact .contact-hero__title {
  margin: 0.35em 0 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 6.2vw, 4.1rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
  text-wrap: balance;
}

.page-contact .contact-hero__intro {
  margin: 1.1em 0 0;
  max-width: 50ch;
  font-size: clamp(0.98rem, 1.6vw, 1.08rem);
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .contact-channels {
  margin-top: clamp(24px, 4vw, 36px);
}

.page-contact .channel {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--contact-line);
  text-decoration: none;
  color: inherit;
}

.page-contact .channel:last-child {
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .channel__label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-contact .channel__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  color: var(--paper);
  overflow-wrap: anywhere;
  transition: color var(--dur) var(--ease);
}

.page-contact .channel__value--phone {
  font-size: clamp(1.6rem, 5vw, 2.5rem);
  line-height: 1.1;
}

.page-contact .channel__value--email {
  font-size: clamp(1rem, 2.4vw, 1.5rem);
  line-height: 1.25;
}

.page-contact .channel:hover .channel__value,
.page-contact .channel:focus-visible .channel__value {
  color: var(--cyan);
}

.page-contact .channel__meta {
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--muted);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .contact-hero__side {
  display: grid;
  gap: 20px;
  align-content: start;
}

.page-contact .media-frame {
  margin: 0;
}

.page-contact .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .topic-switch {
  position: relative;
  padding: 18px 18px 20px;
  border: 1px solid var(--ink-700);
  border-radius: 16px;
  background: rgba(16, 38, 61, 0.72);
}

.page-contact .topic-switch__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-contact .topic-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-contact .topic-tab {
  display: inline-block;
  margin: 0 6px 8px 0;
  padding: 8px 14px;
  border: 1px solid var(--ink-700);
  border-radius: 999px;
  font-size: 0.84rem;
  line-height: 1.3;
  color: var(--muted);
  cursor: pointer;
  min-height: 36px;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-contact .topic-tab:hover {
  color: var(--paper);
  border-color: var(--cyan);
}

.page-contact .topic-radio:checked + .topic-tab {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
  font-weight: 600;
}

.page-contact .topic-radio:focus-visible + .topic-tab {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .topic-panels {
  margin-top: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--contact-line);
}

.page-contact .topic-panel {
  display: none;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .topic-panel p {
  margin: 0 0 0.6em;
}

.page-contact .topic-panel p:last-child {
  margin-bottom: 0;
}

.page-contact .topic-panel__lead {
  color: var(--paper);
  font-weight: 600;
}

.page-contact #topic-reg:checked ~ .topic-panels .topic-panel--reg,
.page-contact #topic-data:checked ~ .topic-panels .topic-panel--data,
.page-contact #topic-collab:checked ~ .topic-panels .topic-panel--collab {
  display: block;
}

.page-contact .c-section {
  padding: clamp(44px, 7vw, 82px) 0;
}

.page-contact .c-section + .c-section {
  border-top: 1px solid rgba(36, 67, 95, 0.5);
}

.page-contact .ct-h2 {
  margin: 0.35em 0 0.55em;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.6vw, 2.6rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-contact .ct-lead {
  margin: 0 0 1.1em;
  max-width: 62ch;
  font-size: clamp(0.96rem, 1.5vw, 1.04rem);
  line-height: 1.88;
  color: var(--muted);
}

.page-contact .contact-hours__grid {
  display: grid;
  gap: clamp(28px, 5vw, 52px);
}

.page-contact .hours-scale {
  margin: 26px 0 30px;
}

.page-contact .hours-scale__track {
  height: 8px;
  border-radius: 999px;
  background:
    repeating-linear-gradient(90deg, rgba(230, 237, 245, 0.32) 0 1px, transparent 1px 12.5%),
    linear-gradient(90deg, rgba(39, 225, 193, 0.9), rgba(39, 225, 193, 0.18));
}

.page-contact .hours-scale__marks {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.page-contact .hours-scale__marks li:nth-child(2),
.page-contact .hours-scale__marks li:nth-child(3) {
  text-align: center;
}

.page-contact .hours-scale__marks li:last-child {
  text-align: right;
}

.page-contact .hours-notes {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .hours-notes li {
  padding-left: 16px;
  border-left: 2px solid var(--cyan);
}

.page-contact .hours-notes strong {
  display: block;
  margin-bottom: 6px;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .hours-notes span {
  display: block;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-register__grid {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
}

.page-contact .ct-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-contact .mini-index {
  align-self: start;
  padding: 22px 20px;
  border: 1px solid var(--ink-700);
  border-left: 3px solid var(--amber);
  border-radius: 14px;
  background: rgba(16, 38, 61, 0.55);
}

.page-contact .mini-index__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

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

.page-contact .mini-index__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  font-size: 0.92rem;
  color: var(--paper);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .mini-index__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .mini-index__no {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--cyan);
}

.page-contact .mini-index__note {
  margin: 16px 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .collab-list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  max-width: 78ch;
}

.page-contact .collab-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--contact-line);
  transition: background var(--dur) var(--ease);
}

.page-contact .collab-item:last-child {
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .collab-item__no {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--amber);
  padding-top: 3px;
}

.page-contact .collab-item__name {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .collab-item__desc {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.82;
  color: var(--muted);
}

.page-contact .contact-collab__more {
  margin: 24px 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-collab__more a,
.page-contact .contact-info__note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-table {
  margin: 26px 0 0;
  display: grid;
  border-top: 1px solid var(--contact-line);
}

.page-contact .contact-row {
  display: grid;
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .contact-row dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .contact-row dd {
  margin: 0;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-row dd a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(39, 225, 193, 0.4);
  padding-bottom: 1px;
}

.page-contact .contact-row dd a:hover {
  border-bottom-color: var(--cyan);
}

.page-contact .contact-info__note {
  margin: 20px 0 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .prep-list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: baseline;
  padding: 16px 0;
  border-top: 1px solid var(--contact-line);
}

.page-contact .prep-item:last-child {
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .prep-item__no {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-contact .prep-item__text {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--paper);
}

@media (min-width: 760px) {
  .page-contact .contact-row {
    grid-template-columns: 180px 1fr;
    gap: 24px;
    align-items: baseline;
  }

  .page-contact .prep-list {
    grid-template-columns: 1fr 1fr;
    column-gap: 48px;
  }

  .page-contact .prep-item:nth-child(2) {
    border-top: 1px solid var(--contact-line);
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-contact .contact-hours__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
  }

  .page-contact .contact-register__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-contact .collab-item:hover {
    background: rgba(39, 225, 193, 0.04);
  }
}

@media (max-width: 420px) {
  .page-contact .topic-tab {
    margin-right: 4px;
    padding: 8px 11px;
    font-size: 0.8rem;
  }

  .page-contact .hours-scale__marks {
    font-size: 0.62rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel__value,
  .page-contact .topic-tab,
  .page-contact .collab-item {
    transition: none;
  }
}