.page-about {
  --about-rail: 128px;
  --about-line: rgba(47, 212, 208, 0.26);
  background: var(--ink);
  color: var(--paper);
  padding: 0 0 72px;
  overflow-x: hidden;
}

.page-about img {
  max-width: 100%;
  height: auto;
}

.page-about .container {
  width: 100%;
  max-width: var(--w-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- intro ---------- */

.page-about .about-intro {
  position: relative;
  padding: 26px 0 18px;
  background: linear-gradient(180deg, rgba(10, 42, 66, 0.9) 0%, rgba(5, 24, 38, 0) 78%);
}

.page-about .about-intro::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(47, 212, 208, 0.13) 0 1px, transparent 1px 96px);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 80%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 80%);
  pointer-events: none;
}

.page-about .about-intro .container {
  position: relative;
  z-index: 1;
}

.page-about .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-about .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(157, 184, 198, 0.5);
}

.page-about .breadcrumb__link {
  color: var(--mist);
  text-decoration: none;
}

.page-about .breadcrumb__link:hover,
.page-about .breadcrumb__link:focus-visible {
  color: var(--foam);
}

.page-about .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--foam);
}

.page-about h1 {
  margin: 14px 0 0;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(2.05rem, 8.2vw, 3.6rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  max-width: 20ch;
}

.page-about .about-intro__hl {
  display: block;
  color: var(--dolphin);
}

.page-about .about-intro__lede {
  max-width: 52ch;
  margin: 20px 0 0;
  font-size: 1.02rem;
  line-height: 1.85;
  color: rgba(244, 239, 228, 0.9);
}

.page-about .about-intro__lede--dim {
  margin-top: 14px;
  color: var(--mist);
}

.page-about .about-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.page-about .about-index a {
  display: inline-block;
  padding: 7px 13px;
  border: 1px solid rgba(157, 184, 198, 0.28);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background 0.16s var(--ease);
}

.page-about .about-index a:hover,
.page-about .about-index a:focus-visible {
  color: var(--ink);
  background: var(--foam);
  border-color: var(--foam);
}

/* ---------- chapter shell ---------- */

.page-about .about-canvas {
  padding-top: 8px;
}

.page-about .about-chapter {
  padding: 40px 0 12px;
}

.page-about .about-chapter__rail {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.page-about .about-chapter__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--lane);
  box-shadow: 0 0 0 4px rgba(18, 74, 104, 0.45);
  transition: background 0.36s var(--ease), box-shadow 0.36s var(--ease);
}

.page-about .about-chapter__year {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-about .about-chapter.is-visible .about-chapter__dot {
  background: var(--foam);
  box-shadow: 0 0 0 5px rgba(47, 212, 208, 0.14);
}

.page-about .about-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 18px;
}

.page-about .about-head .lane-no {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--dolphin);
}

.page-about .about-head h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(1.45rem, 5.4vw, 2.15rem);
  line-height: 1.24;
  letter-spacing: -0.02em;
}

.page-about .about-chapter__lede {
  max-width: 60ch;
  margin: 0 0 24px;
  font-size: 0.98rem;
  line-height: 1.85;
  color: rgba(244, 239, 228, 0.82);
}

.page-about .about-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.page-about .prose {
  max-width: 60ch;
}

.page-about .prose p {
  margin: 0 0 16px;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(244, 239, 228, 0.86);
}

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

/* ---------- media ---------- */

.page-about .about-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(18, 74, 104, 0.9);
}

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

.page-about .about-media .media__caption {
  display: block;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.6;
  color: var(--mist);
  background: var(--pool);
}

/* ---------- needs list ---------- */

.page-about .about-needs {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-needs li {
  display: grid;
  gap: 5px;
  padding-left: 14px;
  border-left: 2px solid var(--lane);
}

.page-about .about-needs__k {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--foam);
}

.page-about .about-needs__v {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- panels ---------- */

.page-about .about-panel {
  background: var(--pool);
  color: var(--paper);
  padding: 22px 20px;
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-about .about-panel--paper {
  background: var(--paper);
  color: var(--ink);
}

.page-about .about-panel h3 {
  margin: 0 0 10px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.page-about .about-panel p {
  margin: 0 0 10px;
  font-size: 0.94rem;
  line-height: 1.8;
}

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

.page-about .about-mission {
  margin-top: 24px;
  border-left: 3px solid var(--coral);
}

.page-about .about-mission__tag {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--lane);
}

.page-about .about-mission p {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.08rem;
  line-height: 1.6;
}

/* ---------- history band ---------- */

.page-about .about-band {
  position: relative;
  overflow: hidden;
  background: var(--pool);
}

.page-about .about-band__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.34;
  filter: saturate(0.85);
}

.page-about .about-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(5, 24, 38, 0.92) 0%, rgba(10, 42, 66, 0.72) 60%, rgba(5, 24, 38, 0.95) 100%);
}

.page-about .about-band__inner {
  position: relative;
  z-index: 1;
  padding: 26px 20px 30px;
}

.page-about .about-band__lede {
  max-width: 56ch;
  margin: 0 0 22px;
  font-size: 0.98rem;
  line-height: 1.85;
  color: rgba(244, 239, 228, 0.86);
}

.page-about .about-milestones {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-about .about-milestones li {
  padding-top: 16px;
  border-top: 1px solid rgba(157, 184, 198, 0.24);
}

.page-about .about-milestones__year {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  line-height: 1;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--dolphin);
}

.page-about .about-milestones h3 {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.page-about .about-milestones p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- flow ---------- */

.page-about .about-flow {
  list-style: none;
  margin: 0 0 30px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-flow__step {
  position: relative;
  padding: 16px 16px 16px 18px;
  background: var(--pool);
  border-left: 2px solid var(--foam);
}

.page-about .about-flow__no {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--foam);
}

.page-about .about-flow__step h3 {
  margin: 0 0 6px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
}

.page-about .about-flow__step p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-about .about-subhead {
  margin: 0 0 14px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about .about-fields {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(157, 184, 198, 0.18);
}

.page-about .about-fields li {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  background: var(--ink);
}

.page-about .about-fields__k {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--coral);
}

.page-about .about-fields__v {
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(244, 239, 228, 0.84);
}

.page-about .about-shift {
  border-top: 3px solid var(--signal);
}

.page-about .about-shift__note {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- stats ---------- */

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(157, 184, 198, 0.2);
  margin: 0 0 16px;
}

.page-about .about-stats .stat {
  display: grid;
  gap: 6px;
  padding: 18px 14px;
  background: var(--pool);
}

.page-about .about-stats .stat__value {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 9vw, 2.9rem);
  line-height: 1;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--dolphin);
}

.page-about .about-stats .stat__label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-about .about-stats__note {
  max-width: 62ch;
  margin: 0 0 30px;
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(244, 239, 228, 0.8);
}

/* ---------- collaboration net ---------- */

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

.page-about .about-net__hub {
  display: grid;
  gap: 4px;
  justify-items: start;
  padding: 14px 18px;
  margin-bottom: 12px;
  background: linear-gradient(90deg, rgba(53, 200, 255, 0.16), rgba(47, 212, 208, 0.04));
  border-left: 3px solid var(--dolphin);
}

.page-about .about-net__hub-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.05rem;
}

.page-about .about-net__hub-sub {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-about .about-net__nodes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-about .about-net__node {
  --node: var(--mist);
  position: relative;
  display: grid;
  gap: 6px;
  padding: 14px 16px 14px 30px;
  background: rgba(10, 42, 66, 0.72);
  border-top: 1px solid rgba(157, 184, 198, 0.18);
  outline: none;
  transition: background 0.18s var(--ease);
}

.page-about .about-net__node--ops { --node: var(--foam); }
.page-about .about-net__node--club { --node: var(--dolphin); }
.page-about .about-net__node--campus { --node: var(--signal); }
.page-about .about-net__node--media { --node: var(--coral); }

.page-about .about-net__dot {
  position: absolute;
  left: 14px;
  top: 19px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--node);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.05);
}

.page-about .about-net__label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.98rem;
}

.page-about .about-net__tip {
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-about .about-net__node:hover,
.page-about .about-net__node:focus-visible,
.page-about .about-net__node:focus-within {
  background: rgba(18, 74, 104, 0.85);
}

.page-about .about-net__node:focus-visible {
  box-shadow: inset 0 0 0 2px var(--dolphin);
}

.page-about .about-net__node:hover .about-net__tip,
.page-about .about-net__node:focus-visible .about-net__tip {
  color: rgba(244, 239, 228, 0.94);
}

.page-about .about-net__foot {
  max-width: 60ch;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- teams ---------- */

.page-about .about-teams {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-about .about-teams li {
  display: grid;
  gap: 6px;
  padding: 16px 16px 16px 18px;
  background: rgba(10, 42, 66, 0.6);
  border-left: 2px solid var(--lane);
}

.page-about .about-teams__no {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--dolphin);
}

.page-about .about-teams h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
}

.page-about .about-teams p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-about .about-media--tall {
  border-color: rgba(47, 212, 208, 0.28);
}

/* ---------- closing ---------- */

.page-about .about-chapter--end {
  padding-bottom: 12px;
}

.page-about .about-endcard {
  position: relative;
  padding: 26px 20px 30px;
  background: linear-gradient(155deg, rgba(10, 42, 66, 0.96), rgba(5, 24, 38, 0.96));
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  border-top: 1px solid rgba(47, 212, 208, 0.3);
}

.page-about .about-arc {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
  margin-bottom: 14px;
  opacity: 0.9;
}

.page-about .about-slogan {
  margin: 0 0 14px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.8rem, 8vw, 2.8rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-about .about-endcard__text {
  max-width: 56ch;
  margin: 0 0 22px;
  font-size: 0.96rem;
  line-height: 1.85;
  color: var(--mist);
}

.page-about .about-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-links .link-arrow {
  display: inline-block;
  padding: 10px 0;
  border-bottom: 1px solid rgba(47, 212, 208, 0.32);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--foam);
  text-decoration: none;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), padding-left 0.16s var(--ease);
}

.page-about .about-links .link-arrow:hover,
.page-about .about-links .link-arrow:focus-visible {
  color: var(--dolphin);
  border-color: var(--dolphin);
  padding-left: 6px;
}

.page-about .about-links .link-arrow::after {
  content: " →";
}

.page-about a:focus-visible {
  outline: 2px solid var(--dolphin);
  outline-offset: 2px;
}

/* ---------- tablet ---------- */

@media (min-width: 720px) {
  .page-about .container {
    padding: 0 28px;
  }

  .page-about .about-intro {
    padding: 36px 0 24px;
  }

  .page-about .about-intro__hl {
    display: inline;
  }

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

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

  .page-about .about-milestones {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 26px;
  }

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

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

  .page-about .about-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 4px 26px;
  }

  .page-about .about-band__inner {
    padding: 34px 32px 38px;
  }
}

/* ---------- desktop ---------- */

@media (min-width: 1000px) {
  .page-about {
    padding-bottom: 96px;
  }

  .page-about .container {
    padding: 0 40px;
  }

  .page-about .about-intro {
    padding: 52px 0 30px;
  }

  .page-about .about-intro__lede {
    font-size: 1.08rem;
  }

  .page-about .about-chapter {
    display: grid;
    grid-template-columns: var(--about-rail) minmax(0, 1fr);
    padding: 64px 0 24px;
    column-gap: 0;
  }

  .page-about .about-chapter__rail {
    position: relative;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    margin: 0;
    padding-top: 10px;
  }

  .page-about .about-chapter__rail::before {
    content: "";
    position: absolute;
    left: 4.5px;
    top: 0;
    bottom: -24px;
    width: 1px;
    background: linear-gradient(180deg, var(--about-line), rgba(18, 74, 104, 0.5));
  }

  .page-about .about-chapter--end .about-chapter__rail::before {
    background: linear-gradient(180deg, var(--about-line), rgba(47, 212, 208, 0));
  }

  .page-about .about-chapter__dot {
    width: 10px;
    height: 10px;
    margin-left: 0;
  }

  .page-about .about-chapter__year {
    margin-top: 14px;
    padding-left: 0;
    writing-mode: horizontal-tb;
  }

  .page-about .about-chapter__body {
    padding-left: 8px;
  }

  .page-about .about-head {
    margin-bottom: 24px;
  }

  .page-about .about-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
  }

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

  .page-about .about-panel {
    padding: 26px 24px;
  }

  .page-about .about-band {
    margin-right: 0;
  }

  .page-about .about-band__inner {
    padding: 44px 48px 48px;
  }

  .page-about .about-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }

  .page-about .about-stats .stat {
    padding: 24px 20px;
  }

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

  .page-about .about-net__node {
    padding: 18px 16px 18px 30px;
  }

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

  .page-about .about-endcard {
    padding: 40px 44px 44px;
  }

  .page-about .about-arc {
    max-width: 380px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-chapter__dot,
  .page-about .about-index a,
  .page-about .about-links .link-arrow,
  .page-about .about-net__node {
    transition: none;
  }
}