.page-about {
  --about-line: rgba(230, 0, 38, 0.28);
  background-color: var(--ink);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='49' viewBox='0 0 28 49'%3E%3Cg fill='none' stroke='%23C0C8D0' stroke-opacity='0.06'%3E%3Cpath d='M14 1 27 7.5v13L14 27 1 20.5v-13zM14 22l13 6.5v13L14 48 1 41.5v-13z'/%3E%3C/g%3E%3C/svg%3E");
}

.page-about .about-breadcrumb {
  padding-top: 28px;
}

.page-about .about-origin,
.page-about .about-journey,
.page-about .about-philosophy,
.page-about .about-team,
.page-about .about-recognition {
  position: relative;
  padding: 72px 0;
}

.page-about .about-journey::before,
.page-about .about-philosophy::before,
.page-about .about-team::before,
.page-about .about-recognition::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 1px;
  width: 100%;
  background: linear-gradient(90deg, var(--red) 0%, rgba(230, 0, 38, 0.25) 30%, transparent 85%);
}

.page-about .about-journey {
  background: linear-gradient(180deg, rgba(230, 0, 38, 0.04), rgba(10, 14, 20, 0) 180px);
}

.page-about .about-recognition {
  background: radial-gradient(900px 280px at 85% 10%, rgba(230, 0, 38, 0.1), transparent 65%);
}

.page-about .about-origin-head,
.page-about .about-journey-head,
.page-about .about-philosophy-head,
.page-about .about-team-head,
.page-about .about-recognition-head {
  display: flex;
  align-items: flex-end;
  gap: 20px;
  margin-bottom: 28px;
}

.page-about .about-num {
  display: inline-block;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: clamp(56px, 10vw, 110px);
  font-weight: 800;
  line-height: 0.8;
  color: transparent;
  -webkit-text-stroke: 2px var(--red);
}

.page-about .chapter-kicker {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray);
}

.page-about .about-origin-head h1,
.page-about .about-journey-head h2,
.page-about .about-philosophy-head h2,
.page-about .about-team-head h2,
.page-about .about-recognition-head h2 {
  margin: 0;
  font-size: clamp(26px, 5vw, 44px);
  line-height: 1.12;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-about .about-origin-head h1::after,
.page-about .about-journey-head h2::after,
.page-about .about-philosophy-head h2::after,
.page-about .about-team-head h2::after,
.page-about .about-recognition-head h2::after {
  content: "";
  display: block;
  width: 88px;
  height: 4px;
  margin-top: 14px;
  background: linear-gradient(90deg, var(--red), transparent);
}

.page-about .about-origin-copy p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 2;
  color: var(--gray);
}

.page-about .about-origin-copy p:last-of-type {
  margin-bottom: 28px;
}

.page-about .about-origin-copy a {
  color: var(--red);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-about .about-origin-copy a:hover {
  color: var(--paper);
}

.page-about .about-origin-grid {
  display: grid;
  gap: 36px;
  align-items: center;
  margin-top: 12px;
}

.page-about .about-origin-media {
  margin: 0;
}

.page-about .about-origin-media img,
.page-about .about-journey-photo img,
.page-about .about-team-photo img {
  width: 100%;
  height: auto;
  border-radius: 18px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

.page-about .about-journey-photo,
.page-about .about-team-photo {
  margin: 8px 0 0;
}

.page-about .about-journey-lede,
.page-about .about-philosophy-lede,
.page-about .about-team-lede {
  max-width: 640px;
  margin: 0 0 36px;
  font-size: 16px;
  line-height: 1.95;
  color: var(--gray);
}

.page-about .timeline {
  position: relative;
  margin: 56px 0 0;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 91px;
  top: 24px;
  bottom: 28px;
  width: 2px;
  background: linear-gradient(180deg, var(--red) 0%, rgba(230, 0, 38, 0.2) 40%, rgba(230, 0, 38, 0.4) 70%, var(--red) 100%);
}

.page-about .tl-item {
  position: relative;
  padding: 0 0 48px 126px;
}

.page-about .tl-item:last-child {
  padding-bottom: 8px;
}

.page-about .tl-year {
  position: absolute;
  left: 0;
  top: 18px;
  width: 60px;
  text-align: right;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.03em;
  color: var(--red);
}

.page-about .tl-marker {
  position: absolute;
  left: 72px;
  top: 0;
  width: 40px;
  height: 40px;
  z-index: 1;
  line-height: 0;
  pointer-events: none;
}

.page-about .tl-marker svg {
  width: 100%;
  height: 100%;
}

.page-about .tl-marker::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid rgba(230, 0, 38, 0.4);
  background: rgba(10, 14, 20, 0.6);
}

.page-about .tl-details {
  background: linear-gradient(145deg, rgba(18, 26, 36, 0.92), rgba(10, 14, 20, 0.96));
  border: 1px solid rgba(192, 200, 208, 0.16);
  border-radius: 16px;
  padding: 18px 20px;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.page-about .tl-details[open] {
  border-color: rgba(230, 0, 38, 0.55);
}

.page-about .tl-details:hover {
  transform: translateY(-2px);
}

.page-about .tl-details summary {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.page-about .tl-details summary::-webkit-details-marker {
  display: none;
}

.page-about .tl-details summary:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 6px;
  border-radius: 8px;
}

.page-about .tl-title {
  flex: 1;
  color: var(--paper);
  font-size: 16px;
  font-weight: 700;
}

.page-about .tl-arrow {
  margin-left: auto;
  color: var(--red);
  font-size: 18px;
  line-height: 1;
  transition: transform 0.25s ease;
}

.page-about .tl-details[open] .tl-arrow {
  transform: rotate(45deg);
}

.page-about .tl-details p {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--gray);
}

.page-about .about-philosophy-grid {
  display: grid;
  gap: 24px;
  margin-top: 44px;
}

.page-about .philosophy-card {
  padding: 34px 28px;
  border-radius: 20px;
  border: 1px solid rgba(192, 200, 208, 0.16);
  background: linear-gradient(145deg, rgba(18, 26, 36, 0.92), rgba(10, 14, 20, 0.88));
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.3s ease;
}

.page-about .philosophy-card:hover {
  background: var(--red);
  border-color: var(--red);
  transform: translateY(-6px);
}

.page-about .philosophy-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--red);
}

.page-about .philosophy-tag::after {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  background: rgba(230, 0, 38, 0.4);
}

.page-about .philosophy-card h3 {
  margin: 16px 0 10px;
  font-size: 24px;
  color: var(--paper);
  transition: color 0.3s ease;
}

.page-about .philosophy-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--gray);
  transition: color 0.3s ease;
}

.page-about .philosophy-card:hover h3,
.page-about .philosophy-card:hover p,
.page-about .philosophy-card:hover .philosophy-tag {
  color: #fff;
}

.page-about .philosophy-card:hover .philosophy-tag::after {
  background: rgba(255, 255, 255, 0.55);
}

.page-about .about-philosophy-link {
  display: inline-flex;
  margin-top: 36px;
}

.page-about .about-team-grid {
  display: grid;
  gap: 20px;
  margin-top: 44px;
}

.page-about .about-team-card {
  position: relative;
  padding: 30px 28px 28px 34px;
  border: 1px solid rgba(230, 0, 38, 0.22);
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(230, 0, 38, 0.1), rgba(10, 14, 20, 0.5));
  overflow: hidden;
}

.page-about .about-team-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--red), rgba(230, 0, 38, 0.1));
}

.page-about .about-team-card h3 {
  margin: 0 0 12px;
  font-size: 20px;
  color: var(--paper);
}

.page-about .about-team-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--gray);
}

.page-about .about-recognition-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 44px 0 36px;
}

.page-about .recognition-stat {
  padding: 28px 22px;
  background: rgba(230, 0, 38, 0.07);
  border-left: 3px solid var(--red);
  transition: background 0.3s ease;
}

.page-about .recognition-stat:hover {
  background: rgba(230, 0, 38, 0.15);
}

.page-about .recognition-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 800;
  line-height: 1;
  color: var(--paper);
}

.page-about .recognition-label {
  display: block;
  margin-top: 12px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gray);
}

.page-about .about-recognition-note {
  max-width: 720px;
  margin: 0;
  font-size: 15px;
  line-height: 1.95;
  color: var(--gray);
}

.page-about .about-recognition-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

@media (max-width: 480px) {
  .page-about .about-recognition-grid {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 960px) {
  .page-about .about-origin-grid {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
  }

  .page-about .about-philosophy-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .about-team-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .about-recognition-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}