.page-about {
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ===== Hero ===== */
.page-about .about-hero {
  position: relative;
  padding: 28px 0 0;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 85% 0%, rgba(139,92,246,.22) 0%, transparent 55%),
    linear-gradient(180deg, #0A0F24 0%, #0C142E 100%);
}

.page-about .about-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 54%;
  height: 380px;
  background: linear-gradient(135deg, rgba(139,92,246,.28) 0%, transparent 70%);
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero::after {
  content: "V3";
  position: absolute;
  top: 48px;
  right: 3%;
  font-family: var(--font-mono);
  font-size: 160px;
  font-weight: 900;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(139,92,246,.22);
  letter-spacing: -.04em;
  pointer-events: none;
  z-index: 0;
}

.page-about .about-hero .breadcrumb {
  position: relative;
  z-index: 1;
  margin-bottom: 26px;
  font-size: 14px;
}

.page-about .about-hero .breadcrumb a {
  color: var(--c-gray);
  text-decoration: none;
  transition: color .18s var(--ease-std);
}

.page-about .about-hero .breadcrumb a:hover {
  color: var(--c-green);
}

.page-about .about-hero .breadcrumb-sep {
  color: var(--c-purple);
  margin: 0 6px;
}

.page-about .about-hero .breadcrumb [aria-current="page"] {
  color: var(--c-text);
}

.page-about .about-hero-top {
  position: relative;
  z-index: 1;
}

.page-about .about-hero-copy {
  max-width: 820px;
}

.page-about .about-hero-label {
  color: var(--c-lime);
  display: inline-block;
  margin-bottom: 10px;
  font-weight: 700;
  letter-spacing: .12em;
}

.page-about .about-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 58px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: .01em;
  margin: 4px 0 10px;
}

.page-about .about-hero-sub {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 26px);
  font-weight: 700;
  color: var(--c-purple);
  margin: 0 0 12px;
}

.page-about .about-hero-desc {
  color: var(--c-gray);
  font-size: 16px;
  line-height: 1.75;
  max-width: 720px;
  margin: 0;
}

.page-about .about-hero-coords {
  display: none;
}

.page-about .about-hero-frame {
  position: relative;
  z-index: 1;
  margin-top: 26px;
  overflow: hidden;
}

.page-about .about-hero-frame img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

/* ===== Layout ===== */
.page-about .about-layout {
  padding: 40px 0 72px;
  display: grid;
  gap: 40px;
}

/* ===== Sidebar ===== */
.page-about .about-sidebar {
  display: flex;
  flex-direction: column;
  gap: 26px;
  min-width: 0;
}

.page-about .about-brand-card {
  background: var(--c-panel);
  border-left: 3px solid var(--c-purple);
  padding: 18px 16px;
}

.page-about .about-brand-name {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  margin: 12px 0 4px;
  color: var(--c-text);
}

.page-about .about-brand-note {
  font-size: 14px;
  color: var(--c-gray);
  line-height: 1.6;
  margin: 0;
}

.page-about .about-side-heading {
  font-size: 13px;
  font-weight: 700;
  color: var(--c-gray);
  text-transform: uppercase;
  letter-spacing: .14em;
  margin: 0 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-purple);
}

.page-about .about-index {
  display: flex;
  flex-direction: column;
}

.page-about .about-index a {
  color: var(--c-gray);
  text-decoration: none;
  font-size: 15px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(160,166,192,.12);
  transition: color .18s var(--ease-std), padding-left .18s var(--ease-std);
}

.page-about .about-index a:hover,
.page-about .about-index a:focus {
  color: var(--c-green);
  padding-left: 8px;
}

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

.page-about .about-version-item {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.page-about .about-version-dot {
  width: 10px;
  height: 10px;
  flex: 0 0 10px;
  margin-top: 6px;
  background: var(--c-gray);
  transition: background .18s var(--ease-std), box-shadow .18s var(--ease-std);
}

.page-about .about-version-item.is-active .about-version-dot {
  background: var(--c-lime);
  box-shadow: 0 0 12px rgba(180,255,0,.55);
}

.page-about .about-version-code {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--c-purple);
}

.page-about .about-version-text {
  font-size: 13px;
  line-height: 1.55;
  color: var(--c-gray);
  margin: 3px 0 0;
}

.page-about .about-version-item.is-active .about-version-text {
  color: var(--c-text);
}

.page-about .about-side-vertical {
  align-self: flex-end;
  color: var(--c-purple);
}

/* ===== Main ===== */
.page-about .about-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  background-image:
    linear-gradient(rgba(139,92,246,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,92,246,.045) 1px, transparent 1px);
  background-size: 32px 32px;
}

.page-about .about-section {
  scroll-margin-top: 28px;
}

.page-about .about-section-head {
  margin-bottom: 20px;
}

.page-about .about-section-head .section-label {
  color: var(--c-lime);
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  margin-bottom: 6px;
}

.page-about .about-section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 34px);
  font-weight: 800;
  line-height: 1.22;
  margin: 0;
}

.page-about .about-lead-paragraph {
  display: grid;
  gap: 14px;
  margin: 0;
}

.page-about .about-lead-paragraph p,
.page-about .about-roadmap-copy p,
.page-about .about-scale-copy p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text);
  margin: 0;
}

.page-about .about-note-line {
  display: flex;
  gap: 12px;
  margin: 20px 0;
  padding: 14px 16px;
  background: rgba(139,92,246,.08);
  border-left: 2px solid var(--c-purple);
}

.page-about .about-note-mark {
  width: 8px;
  height: 8px;
  background: var(--c-purple);
  display: block;
  flex: 0 0 8px;
  margin-top: 6px;
}

.page-about .about-note-line p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--c-gray);
  margin: 0;
}

.page-about .about-more-line {
  font-size: 15px;
  color: var(--c-gray);
  margin: 20px 0 0;
}

.page-about .about-more-line a {
  color: var(--c-green);
  text-decoration: none;
  border-bottom: 1px solid rgba(34,255,136,.5);
  transition: color .18s var(--ease-std), border-color .18s var(--ease-std);
}

.page-about .about-more-line a:hover {
  color: var(--c-lime);
  border-color: var(--c-lime);
}

/* ===== Divider ===== */
.page-about .about-divider {
  height: 4px;
  margin: 42px 0;
  background: linear-gradient(90deg, var(--c-purple) 0%, rgba(139,92,246,.25) 60%, transparent 100%);
  clip-path: polygon(0 0, calc(100% - 32px) 0, 100% 100%, 0 100%);
}

/* ===== Roadmap ===== */
.page-about .about-roadmap-wrap {
  display: grid;
  gap: 22px;
}

.page-about .about-step-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-about .about-step-list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  background: var(--c-panel);
  padding: 12px 14px;
  font-size: 15px;
  line-height: 1.6;
  border-left: 2px solid var(--c-green);
}

.page-about .about-step-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--c-green);
  flex: 0 0 auto;
}

.page-about .about-roadmap-img {
  overflow: hidden;
}

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

/* ===== Stats ===== */
.page-about .about-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 22px;
}

.page-about .about-stat {
  background: var(--c-panel);
  border-top: 2px solid var(--c-purple);
  padding: 16px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-about .about-stat-num {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 44px);
  font-weight: 900;
  line-height: 1;
  color: var(--c-green);
}

.page-about .about-stat-unit {
  font-size: 13px;
  color: var(--c-gray);
}

.page-about .about-scale-wrap {
  display: grid;
  gap: 22px;
}

.page-about .about-scale-img {
  overflow: hidden;
}

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

.page-about .about-six-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-about .about-six-cats li {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  padding: 6px 12px;
  border: 1px solid rgba(139,92,246,.55);
  color: var(--c-text);
}

.page-about .about-cat {
  display: inline-block;
  color: var(--c-lime);
  border-bottom: 1px dashed rgba(180,255,0,.5);
  padding-bottom: 1px;
}

/* ===== Access ===== */
.page-about .about-access-grid {
  display: grid;
  gap: 14px;
}

.page-about .about-access-item {
  background: var(--c-panel);
  padding: 20px 18px;
  border-left: 3px solid var(--c-purple);
}

.page-about .about-access-code {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--c-lime);
  display: inline-block;
  padding: 3px 8px;
  border: 1px solid var(--c-lime);
  margin-bottom: 10px;
}

.page-about .about-access-item h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--c-text);
  margin: 0 0 8px;
}

.page-about .about-access-item p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-gray);
  margin: 0;
}

/* ===== Promise ===== */
.page-about .about-promise-card {
  background: var(--c-panel);
  border-top: 3px solid var(--c-green);
  padding: 22px 18px;
}

.page-about .about-promise-lead {
  font-family: var(--font-display);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--c-text);
  margin: 0 0 16px;
}

.page-about .about-promise-row {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
}

.page-about .about-promise-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px 14px;
  background: rgba(34,255,136,.06);
  border-left: 2px solid var(--c-green);
}

.page-about .about-promise-key {
  font-size: 13px;
  color: var(--c-gray);
}

.page-about .about-promise-value {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--c-green);
}

.page-about .about-promise-card > p:not(.about-promise-lead) {
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-gray);
}

.page-about .about-promise-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 20px;
}

.page-about .about-promise-note {
  font-size: 13px;
  color: var(--c-gray);
}

/* ===== Responsive ===== */
@media (min-width: 560px) {
  .page-about .about-stats {
    grid-template-columns: repeat(3, 1fr);
  }

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

@media (min-width: 768px) {
  .page-about .about-hero-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 24px;
  }

  .page-about .about-hero-coords {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-top: 6px;
  }

  .page-about .about-hero-coord {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .12em;
    color: var(--c-gray);
    border-left: 1px solid var(--c-purple);
    padding: 4px 0 4px 10px;
    display: block;
  }
}

@media (min-width: 992px) {
  .page-about .about-hero {
    padding-top: 44px;
  }

  .page-about .about-hero-frame {
    margin-top: 36px;
  }

  .page-about .about-layout {
    grid-template-columns: 280px 1fr;
    gap: 56px;
    padding: 56px 0 96px;
  }

  .page-about .about-sidebar {
    position: sticky;
    top: 28px;
    align-self: start;
    max-height: calc(100vh - 56px);
    overflow-y: auto;
    padding-right: 4px;
  }

  .page-about .about-roadmap-wrap {
    grid-template-columns: 1fr 320px;
    align-items: start;
  }

  .page-about .about-roadmap-img img {
    max-height: 720px;
  }

  .page-about .about-scale-wrap {
    grid-template-columns: 1fr 360px;
    align-items: start;
  }

  .page-about .about-access-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-about .about-divider {
    margin: 56px 0;
  }
}