.page-about {
  position: relative;
  color: var(--c-silver);
}

.page-about .pa-hero {
  position: relative;
  overflow: hidden;
  padding: 2.5rem 0 3.5rem;
  background:
    radial-gradient(ellipse at 80% 10%, rgba(114, 47, 55, 0.42), transparent 36%),
    linear-gradient(135deg, var(--c-black) 0%, var(--c-teal) 55%, var(--c-black) 100%);
}

.page-about .pa-hero::after {
  content: "";
  position: absolute;
  right: -180px;
  top: -80px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(230, 57, 70, 0.28), transparent 70%);
  pointer-events: none;
}

.page-about .pa-hero__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  position: relative;
  z-index: 2;
}

.page-about .pa-hero__content {
  max-width: 52rem;
}

.page-about .pa-hero__title {
  margin: 0.25rem 0 1rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-style: italic;
  font-size: clamp(2.1rem, 6vw, 4rem);
  line-height: 1.14;
  color: var(--c-fog);
}

.page-about .pa-hl {
  color: var(--c-gold);
}

.page-about .pa-hero__lead {
  max-width: 44rem;
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--c-silver);
}

.page-about .hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.page-about .hero-meta__item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  border: 1px solid rgba(100, 255, 218, 0.28);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--c-silver);
  background: rgba(10, 14, 23, 0.42);
}

.page-about .pa-stat {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1rem;
  color: var(--c-green);
}

.page-about .pa-hero__aside {
  display: none;
  position: relative;
  align-items: center;
  justify-content: center;
  min-height: 240px;
}

.page-about .pa-vertical-key {
  writing-mode: vertical-rl;
  letter-spacing: 0.35em;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.15rem;
  color: rgba(244, 162, 97, 0.72);
  user-select: none;
}

.page-about .pa-hero__shape--1 {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 230px;
  height: 150px;
  background: linear-gradient(135deg, rgba(230, 57, 70, 0.32), rgba(114, 47, 55, 0.1));
  clip-path: polygon(20% 0, 100% 0, 80% 100%, 0 100%);
  transform: rotate(6deg);
}

.page-about .pa-hero__shape--2 {
  position: absolute;
  bottom: 16px;
  left: 16px;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  border: 3px solid rgba(100, 255, 218, 0.35);
}

.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
  font-size: 0.8rem;
  color: var(--c-silver);
}

.page-about .breadcrumb a {
  color: var(--c-silver);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

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

.page-about .pa-index {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.5rem 0 1.5rem;
}

.page-about .pa-index .section-index__item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.8rem;
  border: 1px solid rgba(196, 200, 214, 0.22);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--c-silver);
  text-decoration: none;
  background: rgba(10, 14, 23, 0.55);
  transition: border-color var(--transition), color var(--transition);
}

.page-about .pa-index .section-index__item span {
  font-family: var(--font-mono);
  color: var(--c-red);
}

.page-about .pa-index .section-index__item.is-active,
.page-about .pa-index .section-index__item:hover {
  border-color: rgba(100, 255, 218, 0.72);
  color: var(--c-fog);
}

.page-about .pa-sec-head {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
}

.page-about .pa-sec-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 0.9;
  color: var(--c-red);
  opacity: 0.85;
}

.page-about .pa-sec-num--gold {
  color: var(--c-gold);
  opacity: 1;
}

.page-about .pa-sec-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.5rem, 4vw, 2.3rem);
  line-height: 1.2;
  color: var(--c-fog);
}

.page-about .pa-sec-desc {
  width: 100%;
  margin: -0.5rem 0 0;
  font-size: 0.95rem;
  color: var(--c-silver);
}

.page-about .pa-story {
  padding: 4.5rem 0 3.5rem;
}

.page-about .pa-story__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-about .pa-story__text p + p {
  margin-top: 1rem;
}

.page-about .pa-story__media {
  margin: 0;
  max-width: 800px;
}

.page-about .pa-story__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.page-about .pa-milestones {
  padding: 4.5rem 0;
  background:
    radial-gradient(ellipse at 10% 0%, rgba(230, 57, 70, 0.16), transparent 40%),
    linear-gradient(180deg, var(--c-teal) 0%, var(--c-black) 90%);
}

.page-about .pa-timeline {
  display: grid;
  grid-auto-columns: minmax(230px, 270px);
  grid-auto-flow: column;
  gap: 1rem;
  overflow-x: auto;
  padding: 0.8rem 0.2rem 1.6rem;
  scroll-snap-type: x proximity;
}

.page-about .pa-timeline__item {
  scroll-snap-align: start;
  padding: 1.25rem;
  border: 1px solid rgba(196, 200, 214, 0.15);
  border-top: 3px solid var(--c-wine);
  border-radius: var(--radius);
  background: rgba(10, 14, 23, 0.65);
  transition: transform var(--transition), border-color var(--transition);
}

.page-about .pa-timeline__item:nth-child(n+2) {
  border-top-color: var(--c-gold);
}

.page-about .pa-timeline__item:nth-child(3n) {
  border-top-color: var(--c-green);
}

.page-about .pa-timeline__item:hover {
  transform: translateY(-4px);
  border-color: rgba(100, 255, 218, 0.65);
}

.page-about .pa-timeline__item--current {
  background: rgba(31, 58, 61, 0.75);
  box-shadow: var(--shadow-card);
}

.page-about .pa-timeline__ver {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.7rem;
  line-height: 1.1;
  color: var(--c-fog);
}

.page-about .pa-timeline__item h3 {
  margin: 0.5rem 0 0.35rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--c-fog);
}

.page-about .pa-timeline__item p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--c-silver);
}

.page-about .pa-timeline__note {
  margin: 0.25rem 0 0;
  font-size: 0.8rem;
  color: var(--c-silver);
}

.page-about .pa-desktop {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
  align-items: center;
}

.page-about .pa-milestone__img {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
}

.page-about .pa-milestone__img img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
}

.page-about .pa-desktop__text h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--c-fog);
}

.page-about .pa-desktop__text p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--c-silver);
}

.page-about .pa-standard {
  position: relative;
  padding: 4.5rem 0;
  background:
    radial-gradient(circle at 90% 20%, rgba(114, 47, 55, 0.2), transparent 30%),
    var(--c-black);
}

.page-about .pa-standard__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-about .pa-standard__visual {
  position: relative;
  display: grid;
  place-items: center;
  margin: 0;
}

.page-about .pa-standard__visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
}

.page-about .pa-ring {
  position: absolute;
  right: 4%;
  bottom: 4%;
  width: min(46%, 220px);
  max-width: 220px;
  padding: 0.4rem;
  border-radius: 50%;
  background: rgba(10, 14, 23, 0.72);
  filter: drop-shadow(0 12px 20px rgba(0, 0, 0, 0.4));
}

.page-about .pa-ring svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .pa-standard__content p {
  margin: 0 0 1rem;
}

.page-about .pa-tier {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-about .pa-tier li {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  border-left: 3px solid var(--c-red);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(31, 58, 61, 0.35);
}

.page-about .pa-tier li:nth-child(2) {
  border-left-color: var(--c-gold);
}

.page-about .pa-tier li:nth-child(3) {
  border-left-color: var(--c-green);
}

.page-about .pa-tier li:nth-child(4) {
  border-left-color: var(--c-silver);
}

.page-about .pa-tier__num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--c-red);
  opacity: 0.9;
}

.page-about .pa-tier li strong {
  display: block;
  font-weight: 700;
  color: var(--c-fog);
}

.page-about .pa-tier li p {
  margin: 0.2rem 0 0;
  font-size: 0.875rem;
  color: var(--c-silver);
}

.page-about .pa-expand {
  margin-top: 1.5rem;
  padding: 1rem;
  border: 1px solid rgba(196, 200, 214, 0.18);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
}

.page-about .pa-expand summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--c-gold);
}

.page-about .pa-expand p {
  margin: 0.8rem 0 0;
  font-size: 0.9rem;
}

.page-about .pa-promise {
  padding: 4.5rem 0;
  background:
    radial-gradient(circle at 90% 10%, rgba(244, 162, 97, 0.16), transparent 32%),
    linear-gradient(160deg, var(--c-black) 0%, var(--c-wine) 120%);
}

.page-about .pa-promise__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-about .pa-promise__card {
  padding: 1.5rem;
  border: 1px solid rgba(196, 200, 214, 0.14);
  border-radius: var(--radius);
  background: rgba(10, 14, 23, 0.5);
  transition: transform var(--transition), border-color var(--transition);
}

.page-about .pa-promise__card:hover {
  transform: translateY(-4px);
  border-color: rgba(100, 255, 218, 0.65);
}

.page-about .pa-promise__icon {
  display: block;
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  color: var(--c-gold);
}

.page-about .pa-promise__card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--c-fog);
}

.page-about .pa-promise__card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--c-silver);
}

.page-about .pa-outro {
  padding: 4rem 0 5rem;
  background: var(--c-black);
  text-align: center;
}

.page-about .pa-outro h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  color: var(--c-fog);
}

.page-about .pa-outro p {
  max-width: 620px;
  margin: 1rem auto 1.5rem;
  color: var(--c-silver);
}

.page-about .pa-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  justify-content: center;
}

@media (min-width: 768px) {
  .page-about .pa-timeline {
    grid-auto-columns: minmax(260px, 310px);
  }

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

  .page-about .pa-standard__layout {
    grid-template-columns: 0.95fr 1.05fr;
    align-items: center;
  }

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

@media (min-width: 920px) {
  .page-about .pa-hero__layout {
    grid-template-columns: 1.4fr 0.6fr;
  }

  .page-about .pa-hero__aside {
    display: flex;
  }

  .page-about .pa-story__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
  }
}