.page-about {
  --about-line: rgba(53, 242, 166, 0.24);
  --about-line-soft: rgba(154, 181, 165, 0.16);
  --about-amber-soft: rgba(244, 184, 74, 0.1);
  color: var(--ks-bone);
  overflow-x: clip;
}

.page-about .about-hero {
  position: relative;
  padding: clamp(22px, 4vw, 46px) 0 clamp(34px, 6vw, 72px);
  border-bottom: 1px solid var(--about-line-soft);
}

.page-about .about-hero__title {
  max-width: 12ch;
  margin: 0.2em 0 0.32em;
  font-family: var(--ks-font-display);
  font-size: clamp(2.55rem, 10vw, 6.4rem);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.035em;
  overflow-wrap: break-word;
}

.page-about .about-hero__title em {
  display: inline-block;
  color: var(--ks-neon);
  font-style: normal;
  text-decoration: underline;
  text-decoration-color: var(--ks-amber);
  text-decoration-thickness: 2px;
  text-underline-offset: 0.12em;
}

.page-about .about-hero__lead {
  max-width: 62ch;
  margin: 0;
  color: var(--ks-bone);
  opacity: 0.92;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: clamp(24px, 5vw, 38px) 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--about-line);
}

.page-about .about-hero__fact {
  min-width: 0;
  padding: 0 10px;
  border-left: 1px solid var(--about-line-soft);
}

.page-about .about-hero__fact:first-child {
  padding-left: 0;
  border-left: 0;
}

.page-about .about-hero__fact dt {
  color: var(--ks-mist);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.page-about .about-hero__fact dd {
  margin: 6px 0 0;
  font-family: var(--ks-font-mono);
  font-size: clamp(0.95rem, 2.4vw, 1.5rem);
  font-weight: 600;
  color: var(--ks-amber);
  white-space: nowrap;
}

.page-about .about-hero__visual {
  margin: clamp(24px, 5vw, 34px) 0 0;
}

.page-about .about-hero__frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 2;
  border: 1px solid var(--about-line);
  border-radius: 40% 6% 32% 8% / 8% 34% 6% 28%;
  background: linear-gradient(135deg, var(--ks-wall), var(--ks-teal));
}

.page-about .about-hero__frame::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(4, 23, 15, 0.45));
  content: "";
  pointer-events: none;
}

.page-about .about-hero__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.75) contrast(1.06);
}

.page-about .about-hero__cap {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  margin-top: 12px;
  color: var(--ks-mist);
  font-size: 12px;
  line-height: 1.6;
}

.page-about .about-hero__cap .ks-mono {
  color: var(--ks-neon);
  font-size: 10px;
  letter-spacing: 0.16em;
}

.page-about .about-hero__index {
  display: none;
  color: var(--ks-mist);
  font-family: var(--ks-font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
}

.page-about .about-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid var(--about-line-soft);
}

.page-about .about-jump__label {
  color: var(--ks-amber);
  font-size: 10px;
  letter-spacing: 0.16em;
}

.page-about .about-jump__link {
  color: var(--ks-mist);
  font-size: 13px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ks-ease), border-color 0.25s var(--ks-ease);
}

.page-about .about-jump__link:hover {
  color: var(--ks-neon);
  border-bottom-color: var(--ks-neon);
}

.page-about .about-origin {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  padding: clamp(48px, 8vw, 96px) 0;
}

.page-about .about-origin__axis {
  position: relative;
  padding-top: 4px;
}

.page-about .about-origin__axis::before {
  position: absolute;
  top: 26px;
  bottom: 0;
  left: 7px;
  width: 1px;
  background: var(--about-line);
  content: "";
}

.page-about .about-origin__axis .ks-mono {
  display: inline-block;
  padding: 2px 5px;
  border: 1px solid var(--about-line);
  color: var(--ks-neon);
  font-size: 10px;
  letter-spacing: 0.14em;
}

.page-about .about-section-title {
  max-width: 20ch;
  margin: 0.12em 0 0.5em;
  font-family: var(--ks-font-display);
  font-size: clamp(1.7rem, 4.6vw, 2.65rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.02em;
}

.page-about .about-origin__body .ks-lead {
  max-width: 68ch;
}

.page-about .about-quote {
  margin: clamp(26px, 5vw, 42px) 0;
  padding-left: clamp(14px, 3vw, 26px);
  border-left: 2px solid var(--ks-amber);
  color: var(--ks-bone);
  font-family: var(--ks-font-display);
  font-size: clamp(1.35rem, 3.2vw, 2.15rem);
  font-weight: 600;
  line-height: 1.38;
}

.page-about .about-origin__cols {
  display: grid;
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid var(--about-line-soft);
}

.page-about .about-origin__cols p {
  margin: 0;
  color: var(--ks-bone);
  opacity: 0.82;
  font-size: 15.5px;
  line-height: 1.8;
}

.page-about .about-timeline {
  padding: clamp(48px, 8vw, 96px) 0;
  background:
    radial-gradient(circle at 82% 10%, rgba(53, 242, 166, 0.08), transparent 34%),
    linear-gradient(180deg, var(--ks-wall), var(--ks-night));
  border-block: 1px solid var(--about-line-soft);
}

.page-about .about-timeline__head {
  max-width: 72ch;
  margin-bottom: clamp(24px, 4vw, 38px);
}

.page-about .about-timeline__stage {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(20px, 4vw, 38px);
  border: 1px solid var(--about-line-soft);
  border-radius: var(--ks-radius);
  background: rgba(6, 26, 19, 0.55);
}

.page-about .about-timeline__image {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
  filter: grayscale(0.35) saturate(0.8);
  pointer-events: none;
}

.page-about .about-timeline__list {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-timeline__list::before {
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 10px;
  width: 1px;
  background: var(--about-line);
  content: "";
}

.page-about .about-timeline__item {
  position: relative;
  padding: 0 0 22px 34px;
}

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

.page-about .about-timeline__item::before {
  position: absolute;
  top: 27px;
  left: 5px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--ks-neon);
  border-radius: 50%;
  background: var(--ks-night);
  box-shadow: 0 0 0 4px rgba(53, 242, 166, 0.1);
  content: "";
}

.page-about .about-timeline__year {
  display: block;
  margin-bottom: 5px;
  color: var(--ks-amber);
  font-family: var(--ks-font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.page-about .about-timeline__node summary {
  display: flex;
  gap: 10px;
  align-items: baseline;
  color: var(--ks-bone);
  font-family: var(--ks-font-sans);
  font-size: clamp(1.02rem, 2vw, 1.3rem);
  font-weight: 700;
  line-height: 1.45;
  cursor: pointer;
  list-style: none;
}

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

.page-about .about-timeline__node summary::after {
  margin-left: auto;
  color: var(--ks-neon);
  font-family: var(--ks-font-mono);
  font-size: 14px;
  content: "＋";
}

.page-about .about-timeline__node[open] summary::after {
  content: "－";
}

.page-about .about-timeline__node p {
  max-width: 70ch;
  margin: 9px 0 0;
  color: var(--ks-mist);
  font-size: 15px;
  line-height: 1.78;
}

.page-about .about-method {
  padding: clamp(48px, 8vw, 96px) 0;
}

.page-about .about-method__head {
  max-width: 72ch;
}

.page-about .about-method__route {
  display: grid;
  gap: 0;
  margin: clamp(26px, 4vw, 40px) 0 0;
  border-top: 1px solid var(--about-line);
}

.page-about .about-method__step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 10px;
  padding: 18px 0;
  border-bottom: 1px solid var(--about-line-soft);
}

.page-about .about-method__stepno {
  color: var(--ks-amber);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-about .about-method__step h3 {
  margin: 0 0 6px;
}

.page-about .about-method__step p {
  margin: 0;
  color: var(--ks-mist);
  font-size: 15px;
  line-height: 1.75;
}

.page-about .about-method__lower {
  display: grid;
  gap: clamp(22px, 4vw, 34px);
  align-items: center;
  margin-top: clamp(30px, 5vw, 52px);
}

.page-about .about-method__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--about-line);
  border-radius: 8px 46px 8px 32px;
  background: var(--ks-wall);
}

.page-about .about-method__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(0.7);
}

.page-about .about-method__copy {
  padding-left: clamp(14px, 3vw, 26px);
  border-left: 2px solid var(--ks-neon);
}

.page-about .about-method__copy h3 {
  margin: 0 0 10px;
}

.page-about .about-method__copy p {
  margin: 0 0 12px;
  color: var(--ks-bone);
  opacity: 0.82;
  font-size: 15.5px;
  line-height: 1.8;
}

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

.page-about .about-team {
  padding: clamp(48px, 8vw, 96px) 0;
  background:
    linear-gradient(90deg, rgba(53, 242, 166, 0.04) 1px, transparent 1px) 0 0 / 64px 64px,
    var(--ks-night);
  border-block: 1px solid var(--about-line-soft);
}

.page-about .about-team__layout {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}

.page-about .about-team__intro .ks-lead {
  max-width: 58ch;
}

.page-about .about-team__stat {
  display: flex;
  gap: 14px;
  align-items: baseline;
  margin: 24px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--about-line);
  color: var(--ks-mist);
  font-size: 13px;
  line-height: 1.6;
}

.page-about .about-team__stat .ks-mono {
  flex: 0 0 auto;
  color: var(--ks-neon);
  font-size: clamp(2.7rem, 8vw, 5rem);
  font-weight: 700;
  line-height: 0.8;
}

.page-about .about-team__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
}

.page-about .about-team__link {
  padding: 7px 11px;
  border: 1px solid var(--about-line-soft);
  border-radius: 999px;
  color: var(--ks-mist);
  font-size: 12px;
  text-decoration: none;
  transition: color 0.25s var(--ks-ease), border-color 0.25s var(--ks-ease);
}

.page-about .about-team__link:hover {
  color: var(--ks-neon);
  border-color: var(--ks-neon);
}

.page-about .about-team__groups {
  border-top: 1px solid var(--about-line);
}

.page-about .about-team__group {
  padding: 22px 0;
  border-bottom: 1px solid var(--about-line-soft);
  scroll-margin-top: 88px;
}

.page-about .about-team__group .ks-mono {
  display: block;
  margin-bottom: 6px;
  color: var(--ks-amber);
  font-size: 10px;
  letter-spacing: 0.16em;
}

.page-about .about-team__group h3 {
  margin: 0 0 6px;
}

.page-about .about-team__group p {
  margin: 0;
  color: var(--ks-mist);
  font-size: 15px;
  line-height: 1.75;
}

.page-about .about-team__ecosystem {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: clamp(28px, 4vw, 42px);
  padding: clamp(18px, 3vw, 28px);
  border-left: 3px solid var(--ks-amber);
  background: var(--about-amber-soft);
}

.page-about .about-team__ecostat {
  display: flex;
  gap: 10px;
  align-items: baseline;
  color: var(--ks-bone);
  font-size: 14px;
}

.page-about .about-team__ecostat .ks-mono {
  color: var(--ks-amber);
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 700;
  line-height: 1;
}

.page-about .about-team__ecosystem p {
  margin: 0;
  color: var(--ks-mist);
  font-size: 14px;
  line-height: 1.7;
}

.page-about .about-honors {
  padding: clamp(48px, 8vw, 96px) 0;
}

.page-about .about-honors__panel {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 42px);
  overflow: hidden;
  padding: clamp(22px, 5vw, 52px);
  border: 1px solid rgba(53, 242, 166, 0.24);
  border-radius: 48px 12px 32px 12px;
  background: linear-gradient(135deg, rgba(15, 90, 66, 0.92), rgba(10, 36, 27, 0.98) 58%, rgba(6, 26, 19, 0.98));
}

.page-about .about-honors__panel::before {
  position: absolute;
  top: -80px;
  right: -80px;
  width: 280px;
  height: 280px;
  border: 1px solid rgba(244, 184, 74, 0.2);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.page-about .about-honors__lead .ks-lead {
  max-width: 60ch;
}

.page-about .about-honors__numbers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.page-about .about-honors__num {
  padding-top: 12px;
  border-top: 1px solid rgba(234, 243, 236, 0.22);
  color: var(--ks-mist);
  font-size: 12px;
  line-height: 1.5;
}

.page-about .about-honors__num .ks-mono {
  display: block;
  margin-bottom: 4px;
  color: var(--ks-amber);
  font-size: clamp(1.9rem, 6vw, 3.3rem);
  font-weight: 700;
  line-height: 1;
}

.page-about .about-honors__list {
  display: grid;
  gap: 16px;
  align-content: start;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-honors__item {
  padding-left: 16px;
  border-left: 1px solid var(--ks-neon);
}

.page-about .about-honors__item strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ks-bone);
  font-size: 15px;
  line-height: 1.5;
}

.page-about .about-honors__item span {
  color: var(--ks-mist);
  font-size: 13px;
  line-height: 1.65;
}

.page-about .about-rules {
  display: grid;
  gap: 0;
  margin-top: clamp(24px, 4vw, 38px);
  border-top: 1px solid var(--about-line);
}

.page-about .about-rules__item {
  padding: 18px 0;
  border-bottom: 1px solid var(--about-line-soft);
}

.page-about .about-rules__item .ks-mono {
  display: block;
  margin-bottom: 6px;
  color: var(--ks-amber);
  font-size: 11px;
}

.page-about .about-rules__item h3 {
  margin: 0 0 5px;
}

.page-about .about-rules__item p {
  margin: 0;
  color: var(--ks-mist);
  font-size: 14px;
  line-height: 1.7;
}

.page-about .about-connect {
  padding: clamp(48px, 8vw, 96px) 0;
  border-top: 1px solid var(--about-line-soft);
}

.page-about .about-connect__panel {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 5vw, 48px);
  border: 1px solid var(--about-line);
  border-radius: var(--ks-radius);
  background:
    radial-gradient(circle at 88% 8%, rgba(53, 242, 166, 0.14), transparent 30%),
    linear-gradient(145deg, var(--ks-wall), var(--ks-night));
}

.page-about .about-connect__head {
  max-width: 68ch;
}

.page-about .about-connect__links {
  display: grid;
  gap: 0;
  margin-top: clamp(22px, 4vw, 34px);
  border-top: 1px solid var(--about-line);
}

.page-about .about-connect__link {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--about-line-soft);
  color: var(--ks-bone);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.25s var(--ks-ease), padding-left 0.25s var(--ks-ease);
}

.page-about .about-connect__link::after {
  color: var(--ks-neon);
  font-family: var(--ks-font-mono);
  content: "→";
}

.page-about .about-connect__link:hover {
  padding-left: 4px;
  color: var(--ks-neon);
}

.page-about .about-contact {
  display: grid;
  gap: 0;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--about-line);
}

.page-about .about-contact__row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 9px 0;
  border-bottom: 1px dashed var(--about-line-soft);
}

.page-about .about-contact__key {
  color: var(--ks-mist);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-about .about-contact__val {
  min-width: 0;
  color: var(--ks-bone);
  font-size: 14px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.page-about .about-contact__val a {
  color: var(--ks-neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 242, 166, 0.35);
}

.page-about .about-contact__val a:hover {
  border-bottom-color: var(--ks-neon);
}

.page-about .about-copy {
  margin-left: 8px;
  vertical-align: middle;
}

.page-about .about-connect__note {
  max-width: 62ch;
  margin: 18px 0 0;
  color: var(--ks-mist);
  font-size: 13px;
  line-height: 1.7;
}

@media (min-width: 640px) {
  .page-about .about-hero__facts {
    max-width: 560px;
  }

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

  .page-about .about-team__ecosystem p {
    grid-column: 1 / -1;
  }

  .page-about .about-connect__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 28px;
  }

  .page-about .about-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 28px;
  }
}

@media (min-width: 820px) {
  .page-about .about-origin {
    grid-template-columns: 82px minmax(0, 1fr);
    gap: 24px;
  }

  .page-about .about-origin__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(24px, 4vw, 44px);
  }

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

  .page-about .about-method__step {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 22px 18px 8px 0;
    border-right: 1px solid var(--about-line-soft);
    border-bottom: 0;
  }

  .page-about .about-method__step:last-child {
    padding-right: 0;
    border-right: 0;
  }

  .page-about .about-method__stepno {
    margin-bottom: 14px;
  }

  .page-about .about-method__lower {
    grid-template-columns: 1.05fr 0.95fr;
  }

  .page-about .about-team__layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-about .about-team__groups {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 28px;
    border-top: 0;
  }

  .page-about .about-team__group {
    padding-top: 0;
    border-top: 1px solid var(--about-line-soft);
  }

  .page-about .about-honors__panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-about .about-rules {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 28px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
    column-gap: clamp(28px, 5vw, 76px);
    align-items: center;
  }

  .page-about .about-hero__main {
    min-width: 0;
  }

  .page-about .about-hero__visual {
    margin-top: 0;
  }

  .page-about .about-hero__index {
    position: absolute;
    top: 12px;
    right: 0;
    display: block;
    writing-mode: vertical-rl;
    opacity: 0.55;
  }

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