.page-about {
  --about-wrap: clamp(16px, 4vw, 44px);
  background:
    radial-gradient(120% 80% at 90% 0%, rgba(200, 255, 61, 0.07), transparent 62%),
    linear-gradient(180deg, rgba(25, 58, 49, 0.52) 0%, rgba(6, 42, 34, 0) 48%);
  overflow-x: hidden;
}

.page-about .about-hero {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  padding: clamp(22px, 4vw, 44px) 0 clamp(30px, 5vw, 52px);
  border-bottom: 2px solid var(--line);
}

.page-about .about-hero__lead {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 7vw, 74px);
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--paper);
  text-wrap: balance;
}

.page-about .about-hero__intro {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: rgba(242, 236, 221, 0.84);
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-about .about-hero__figure {
  margin: 0;
  aspect-ratio: 16 / 11;
  width: 100%;
}

.page-about .media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}

.page-about .about-hero__figure img {
  object-position: 60% 50%;
}

.page-about .about-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-bottom: 2px solid var(--line);
}

.page-about .about-stats li {
  background: var(--night);
  padding: 16px 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-about .stat-num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.05;
  color: var(--lime);
  letter-spacing: -0.02em;
}

.page-about .stat-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fog);
}

.page-about .about-index {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-about .about-index a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  color: var(--fog);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.04em;
  transition: color 0.24s ease, border-color 0.24s ease, background-color 0.24s ease;
}

.page-about .about-index a span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--orange);
}

.page-about .about-index a:hover,
.page-about .about-index a:focus-visible {
  color: var(--lime);
  border-color: var(--lime);
  background: rgba(200, 255, 61, 0.06);
  outline: none;
}

.page-about .about-section {
  padding: clamp(34px, 5.5vw, 68px) 0;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 96px;
}

.page-about .about-section__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 22px;
}

.page-about .about-section__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(25px, 4.2vw, 44px);
  line-height: 1.14;
  color: var(--paper);
  letter-spacing: -0.01em;
}

.page-about .about-section__intro {
  margin: 0 0 24px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 236, 221, 0.76);
}

.page-about .about-split {
  display: grid;
  gap: clamp(20px, 3.5vw, 40px);
}

.page-about .about-prose p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(242, 236, 221, 0.85);
}

.page-about .about-prose p:last-child {
  margin-bottom: 0;
}

.page-about .about-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-about .about-points li {
  border-left: 3px solid var(--orange);
  padding: 2px 0 2px 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 236, 221, 0.88);
}

.page-about .crew {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-about .crew__card {
  border: 2px solid var(--moss);
  background: var(--night);
  padding: 20px 18px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  transition: transform 0.28s ease, border-color 0.28s ease, box-shadow 0.28s ease;
}

.page-about .crew__card:hover,
.page-about .crew__card:focus-within {
  border-color: var(--lime);
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-hard);
}

.page-about .crew__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-about .crew__role {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-about .crew__count {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--lime);
}

.page-about .crew__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 236, 221, 0.78);
}

.page-about details {
  border-top: 1px dashed var(--line);
  padding-top: 10px;
  margin-top: auto;
}

.page-about summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--blue);
  display: flex;
  align-items: center;
  gap: 6px;
}

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

.page-about summary::before {
  content: "+";
  font-size: 14px;
  line-height: 1;
}

.page-about details[open] summary::before {
  content: "−";
}

.page-about summary:hover,
.page-about summary:focus-visible {
  color: var(--lime);
  outline: none;
}

.page-about details p {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(242, 236, 221, 0.7);
}

.page-about .workflow {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

.page-about .workflow__figure {
  margin: 0;
  aspect-ratio: 4 / 5;
  width: 100%;
  max-height: 520px;
}

.page-about .workflow__figure img {
  object-position: 50% 40%;
}

.page-about .flow {
  list-style: none;
  margin: 0;
  padding: 0 0 0 4px;
  position: relative;
}

.page-about .flow::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 10px;
  bottom: 14px;
  width: 2px;
  background: linear-gradient(180deg, var(--orange) 0%, var(--lime) 62%, rgba(150, 163, 156, 0.2) 100%);
}

.page-about .flow__item {
  position: relative;
  padding: 0 0 26px 42px;
  min-width: 0;
}

.page-about .flow__item:last-child {
  padding-bottom: 0;
}

.page-about .flow__item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ink);
  border: 3px solid var(--orange);
}

.page-about .flow__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--lime);
  margin-bottom: 6px;
}

.page-about .flow__item h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-about .flow__item > p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(242, 236, 221, 0.78);
}

.page-about .flow__more {
  margin-top: 10px;
  border-top: 1px dashed var(--line);
  padding-top: 10px;
}

.page-about .version-board {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-about .v-card {
  border: 2px solid var(--moss);
  background: var(--night);
  padding: 22px 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.page-about .v-card--blue {
  border-color: rgba(61, 139, 255, 0.55);
  background: linear-gradient(160deg, rgba(61, 139, 255, 0.12), rgba(14, 28, 24, 0.9) 58%);
}

.page-about .v-tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink);
  background: var(--lime);
  padding: 4px 9px;
}

.page-about .v-tag--blue {
  background: var(--blue);
  color: var(--paper);
}

.page-about .v-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(30px, 6vw, 52px);
  line-height: 1;
  color: var(--lime);
  letter-spacing: -0.03em;
}

.page-about .v-card--blue .v-num {
  color: var(--blue);
}

.page-about .v-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(242, 236, 221, 0.82);
}

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

.page-about .v-list li {
  position: relative;
  padding-left: 18px;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(242, 236, 221, 0.74);
}

.page-about .v-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--orange);
}

.page-about .v-list--blue li::before {
  background: var(--blue);
}

.page-about .v-link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid var(--blue);
  padding-bottom: 2px;
  transition: color 0.24s ease, border-color 0.24s ease;
}

.page-about .v-link:hover,
.page-about .v-link:focus-visible {
  color: var(--lime);
  border-color: var(--lime);
  outline: none;
}

.page-about .about-partners {
  position: relative;
  margin-top: 8px;
  padding: clamp(32px, 5vw, 60px) var(--about-wrap);
  margin-left: calc(var(--about-wrap) * -1);
  margin-right: calc(var(--about-wrap) * -1);
  border-top: 2px solid var(--orange);
  border-bottom: 2px solid var(--moss);
  background-color: var(--moss);
  background-image:
    repeating-linear-gradient(90deg, rgba(150, 163, 156, 0.09) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(150, 163, 156, 0.09) 0 1px, transparent 1px 64px),
    linear-gradient(135deg, rgba(25, 58, 49, 1) 0%, rgba(14, 28, 24, 0.96) 72%);
}

.page-about .partners-grid {
  display: grid;
  gap: clamp(20px, 3.5vw, 36px);
}

.page-about .partners__figure {
  margin: 0;
  aspect-ratio: 3 / 2;
  width: 100%;
}

.page-about .partners-bar {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: rgba(150, 163, 156, 0.24);
  border: 1px solid rgba(150, 163, 156, 0.24);
}

.page-about .partners-bar li {
  background: rgba(11, 15, 14, 0.72);
  padding: 14px 16px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: rgba(242, 236, 221, 0.78);
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-about .partners-bar span {
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--lime);
}

.page-about .about-service {
  background: var(--paper);
  color: var(--ink);
  margin-left: calc(var(--about-wrap) * -1);
  margin-right: calc(var(--about-wrap) * -1);
  padding: clamp(32px, 5vw, 60px) var(--about-wrap) clamp(36px, 5vw, 64px);
  border-bottom: none;
}

.page-about .about-service .about-section__head h2 {
  color: var(--ink);
}

.page-about .about-service .index-num {
  color: var(--orange);
}

.page-about .service-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-bottom: 26px;
}

.page-about .service-card {
  border: 2px solid var(--ink);
  background: rgba(6, 42, 34, 0.05);
  padding: 20px 18px;
  min-width: 0;
}

.page-about .service-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-about .service-mail {
  margin: 0 0 10px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-about .service-mail a {
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.4vw, 18px);
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  word-break: break-all;
}

.page-about .service-mail a:hover,
.page-about .service-mail a:focus-visible {
  color: var(--orange);
  outline: none;
}

.page-about .copy-btn {
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  padding: 6px 10px;
  cursor: pointer;
  transition: background-color 0.24s ease, color 0.24s ease;
}

.page-about .copy-btn:hover,
.page-about .copy-btn:focus-visible {
  background: var(--lime);
  color: var(--ink);
  outline: none;
}

.page-about .service-line {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.6vw, 22px);
  letter-spacing: 0.02em;
  color: var(--ink);
  word-break: break-word;
}

.page-about .service-line--soft {
  font-family: var(--font-body);
  font-size: 14px;
  color: rgba(6, 42, 34, 0.78);
}

.page-about .service-note {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(6, 42, 34, 0.72);
}

.page-about .about-next {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: rgba(6, 42, 34, 0.24);
  border: 1px solid rgba(6, 42, 34, 0.24);
}

.page-about .about-next a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "num title"
    "num desc";
  align-items: center;
  column-gap: 14px;
  padding: 14px 16px;
  background: var(--paper);
  text-decoration: none;
  transition: background-color 0.24s ease;
}

.page-about .about-next a:hover,
.page-about .about-next a:focus-visible {
  background: var(--ink);
  outline: none;
}

.page-about .next-num {
  grid-area: num;
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--orange);
}

.page-about .next-title {
  grid-area: title;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.page-about .next-desc {
  grid-area: desc;
  font-size: 12.5px;
  color: rgba(6, 42, 34, 0.66);
}

.page-about .about-next a:hover .next-title,
.page-about .about-next a:focus-visible .next-title {
  color: var(--lime);
}

.page-about .about-next a:hover .next-desc,
.page-about .about-next a:focus-visible .next-desc {
  color: rgba(242, 236, 221, 0.7);
}

@media (min-width: 640px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .crew {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .partners-bar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-about .service-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .about-next {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-about .about-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-about .workflow {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }

  .page-about .workflow__figure {
    max-height: none;
    position: sticky;
    top: 96px;
  }

  .page-about .version-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-about .partners-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: center;
  }

  .page-about .about-next {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-about .crew {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .crew__card,
  .page-about .about-index a,
  .page-about .copy-btn,
  .page-about .about-next a {
    transition: none;
  }

  .page-about .crew__card:hover,
  .page-about .crew__card:focus-within {
    transform: none;
  }
}