.page-contact {
  background: var(--ink);
  color: var(--text);
}

.page-contact .sec {
  padding-block: clamp(48px, 7vw, 88px);
}

.page-contact .contact-hero-section {
  position: relative;
  padding-top: clamp(20px, 3vw, 32px);
  padding-bottom: clamp(40px, 6vw, 72px);
  border-bottom: 1px solid var(--line);
  background-image:
    linear-gradient(rgba(30, 42, 68, 0.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 42, 68, 0.35) 1px, transparent 1px);
  background-size: 80px 80px;
  background-position: center top;
}

.page-contact .contact-hero {
  display: grid;
  gap: 32px;
  margin-top: clamp(24px, 4vw, 48px);
}

.page-contact .hero-title {
  margin: 14px 0 18px;
  font-family: var(--font-title);
  font-size: var(--fs-h1);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-contact .hero-intro {
  max-width: 40em;
  margin: 0;
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.85;
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .contact-visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-contact .contact-visual::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 1;
  width: 48px;
  height: 3px;
  background: var(--orange);
}

.page-contact .contact-visual img,
.page-contact .rhythm-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.06);
}

.page-contact .visual-note {
  display: block;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.05em;
  color: var(--muted);
  background: rgba(5, 7, 13, 0.6);
}

.page-contact .channel-panel {
  margin-top: clamp(32px, 5vw, 56px);
  border-top: 1px solid var(--line);
}

.page-contact .channel-row {
  display: grid;
  gap: 14px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .channel-label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--ice);
}

.page-contact .channel-value {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 2.6vw, 2rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.3;
  color: var(--text);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel-row--email .channel-value {
  color: var(--orange);
}

.page-contact .channel-meta {
  display: block;
  max-width: 54em;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.75;
}

.page-contact .copy-action {
  justify-self: start;
  padding: 10px 18px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .copy-action:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.page-contact .copy-action:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.page-contact .contact-copy-status {
  min-height: 1.4em;
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  color: var(--green);
}

.page-contact .topics-section {
  border-block: 1px solid var(--line);
  background-color: var(--ink-2);
  background-image:
    linear-gradient(rgba(30, 42, 68, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 42, 68, 0.5) 1px, transparent 1px);
  background-size: 80px 80px;
}

.page-contact .section-head {
  max-width: 46em;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-contact .section-head h2,
.page-contact .rhythm-head h2,
.page-contact .coop-lead h2 {
  margin: 12px 0 14px;
  font-family: var(--font-title);
  font-size: var(--fs-h2);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-contact .section-head p,
.page-contact .rhythm-head p,
.page-contact .coop-lead > p {
  margin: 0;
  max-width: 44em;
  color: var(--muted);
  line-height: 1.8;
}

.page-contact .topics-grid {
  display: grid;
  gap: 14px;
}

.page-contact .topic {
  border: 1px solid var(--line);
  background: rgba(16, 26, 46, 0.9);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .topic:hover {
  border-color: var(--blue);
}

.page-contact .topic[open] {
  border-color: var(--orange);
}

.page-contact .topic-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 20px;
  list-style: none;
  cursor: pointer;
}

.page-contact .topic-head::-webkit-details-marker {
  display: none;
}

.page-contact .topic-head:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.page-contact .topic-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.12em;
  color: var(--ice);
}

.page-contact .topic-title {
  flex: 1;
  font-family: var(--font-title);
  font-size: var(--fs-h3);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
}

.page-contact .topic-toggle {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  align-self: center;
}

.page-contact .topic-toggle::before,
.page-contact .topic-toggle::after {
  content: "";
  position: absolute;
  background: var(--orange);
  transition: transform 0.2s var(--ease);
}

.page-contact .topic-toggle::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 2px;
}

.page-contact .topic-toggle::after {
  top: 0;
  left: 6px;
  width: 2px;
  height: 14px;
}

.page-contact .topic[open] .topic-toggle::after {
  transform: scaleY(0);
}

.page-contact .topic-body {
  padding: 16px 20px 22px;
  border-top: 1px solid var(--line);
}

.page-contact .topic-body p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-contact .topic-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .topic-list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--text);
}

.page-contact .topic-list li::before {
  content: "";
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 7px;
  height: 7px;
  background: var(--orange);
}

.page-contact .topics-foot {
  max-width: 52em;
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.75;
}

.page-contact .rhythm-head {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-contact .rhythm-track {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .rhythm-step {
  position: relative;
  padding: 0 0 26px 28px;
  border-left: 1px solid var(--line);
}

.page-contact .rhythm-step:last-child {
  padding-bottom: 4px;
}

.page-contact .step-dot {
  position: absolute;
  top: 6px;
  left: -5px;
  width: 9px;
  height: 9px;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(92, 255, 157, 0.14);
}

.page-contact .step-time {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.1em;
  color: var(--green);
}

.page-contact .rhythm-step h3 {
  margin: 8px 0 8px;
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}

.page-contact .rhythm-step p {
  margin: 0;
  max-width: 30em;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.7;
}

.page-contact .rhythm-visual {
  margin: clamp(28px, 4vw, 44px) 0 0;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-contact .coop-split {
  display: grid;
  gap: 32px;
}

.page-contact .coop-list {
  display: grid;
  gap: 16px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .coop-item {
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.page-contact .coop-item strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.page-contact .coop-item span {
  display: block;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.75;
}

.page-contact .coop-figure {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .coop-stat {
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-contact .coop-stat--alt {
  border-left: 3px solid var(--blue);
}

.page-contact .coop-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-num);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  color: var(--green);
}

.page-contact .coop-label {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.page-contact .coop-note {
  margin: 4px 0 8px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.75;
}

.page-contact .coop-figure .btn {
  justify-self: start;
}

.page-contact .entries-section {
  border-top: 1px solid var(--line);
  background: var(--ink-2);
}

.page-contact .entry-grid {
  display: grid;
  gap: 12px;
}

.page-contact .entry-card {
  display: block;
  padding: 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--blue);
  background: rgba(16, 26, 46, 0.7);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .entry-card:hover {
  border-left-color: var(--orange);
  background: var(--panel);
  transform: translateY(-2px);
}

.page-contact .entry-card:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.page-contact .entry-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  letter-spacing: 0.14em;
  color: var(--ice);
}

.page-contact .entry-card h3 {
  margin: 10px 0 8px;
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}

.page-contact .entry-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.68;
}

@media (min-width: 640px) {
  .page-contact .entry-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 720px) {
  .page-contact .channel-row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }

  .page-contact .copy-action {
    justify-self: end;
  }
}

@media (min-width: 820px) {
  .page-contact .topics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(40px, 5vw, 64px);
    align-items: start;
  }

  .page-contact .coop-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(40px, 5vw, 64px);
    align-items: start;
  }

  .page-contact .rhythm-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .rhythm-step {
    padding: 34px 24px 0 0;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .page-contact .rhythm-step:last-child {
    padding-bottom: 0;
  }

  .page-contact .step-dot {
    top: -5px;
    left: 0;
  }
}

@media (min-width: 1000px) {
  .page-contact .entry-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .copy-action,
  .page-contact .topic,
  .page-contact .topic-toggle::before,
  .page-contact .topic-toggle::after,
  .page-contact .entry-card {
    transition: none;
  }

  .page-contact .entry-card:hover {
    transform: none;
  }
}