.page-about {
  --about-num-font: 'Orbitron', 'Noto Sans SC', monospace;
  --about-ease: cubic-bezier(0.22, 1, 0.36, 1);
  position: relative;
  overflow: clip;
}

.page-about .about-hero {
  position: relative;
  min-height: clamp(500px, 78vh, 760px);
  display: flex;
  align-items: flex-end;
  isolation: isolate;
  overflow: hidden;
}

.page-about .about-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

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

.page-about .about-hero__media::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(13, 27, 42, 0.92) 0%, rgba(13, 27, 42, 0.52) 56%, rgba(13, 27, 42, 0.12) 100%),
    linear-gradient(0deg, rgba(13, 27, 42, 0.9) 0%, transparent 48%);
}

.page-about .about-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  background: repeating-linear-gradient(-120deg, transparent 0 2px, rgba(255, 255, 255, 0.018) 2px 4px, transparent 4px 44px);
  pointer-events: none;
}

.page-about .about-hero__inner {
  width: 100%;
  padding-top: 3rem;
  padding-bottom: clamp(3.5rem, 8vw, 6rem);
}

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

.page-about .about-hero h1 {
  margin: 1rem 0 1.25rem;
  font-size: clamp(2.75rem, 6vw, 5.25rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: 0.01em;
  color: #fff;
  text-shadow: 0 0 18px rgba(123, 47, 255, 0.65);
}

.page-about .about-hero__lead {
  max-width: 620px;
  margin: 0 0 1.75rem;
  color: var(--color-silver);
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  line-height: 1.8;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.page-about .about-hero__meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  color: var(--color-silver);
  opacity: 0.75;
}

.page-about .about-hero__dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 8px rgba(245, 197, 66, 0.8);
}

.page-about .about-hero__tilt {
  position: absolute;
  right: 0;
  bottom: -2px;
  left: 0;
  height: 64px;
  background: linear-gradient(108deg, transparent 58%, rgba(123, 47, 255, 0.28) 58%, rgba(123, 47, 255, 0.28) 59%, transparent 59%);
  pointer-events: none;
}

.page-about .breadcrumb {
  margin-top: 1.5rem;
}

.page-about .about-origin {
  position: relative;
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}

.page-about .about-origin__grid {
  display: grid;
  gap: 2rem;
}

.page-about .about-origin__side {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.page-about .about-origin__side .section-title {
  margin-top: 0.5rem;
  margin-bottom: 0.75rem;
}

.page-about .about-origin__side-note {
  margin: 0 0 0.5rem;
  font-family: var(--about-num-font);
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--color-gold);
}

.page-about .about-origin__link {
  color: var(--color-cta);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: opacity 0.25s var(--about-ease);
}

.page-about .about-origin__link:hover {
  opacity: 0.7;
}

.page-about .about-origin__body {
  color: var(--color-silver);
  line-height: 1.9;
}

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

.page-about .about-origin__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-top: 2.25rem;
}

.page-about .about-origin__stat {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 1rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
}

.page-about .about-origin__stat-num {
  font-size: clamp(1.4rem, 2.6vw, 2rem);
  font-weight: 700;
  color: var(--color-gold);
}

.page-about .about-origin__stat-label {
  font-size: 0.78rem;
  color: var(--color-silver);
}

.page-about .tilt-line {
  margin-top: 3rem;
}

.page-about .about-timeline {
  position: relative;
  padding: clamp(3.5rem, 8vw, 6rem) 0;
  background: var(--color-bg-deep);
  overflow: hidden;
}

.page-about .about-timeline__wrap {
  position: relative;
  z-index: 1;
  padding-top: 0.5rem;
}

.page-about .section-head__note,
.page-about .about-philosophy__head > .section-head__note {
  display: block;
  font-family: var(--about-num-font);
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
}

.page-about .about-timeline .section-title,
.page-about .about-team .section-title,
.page-about .about-partners .section-title,
.page-about .about-philosophy .section-title {
  margin-top: 0.15rem;
  margin-bottom: 0.5rem;
}

.page-about .about-timeline .section-sub {
  margin-bottom: 2.5rem;
}

.page-about .about-timeline__list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.25rem;
}

.page-about .about-timeline__list::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.3rem;
  bottom: 0.3rem;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--color-purple) 18%, var(--color-gold) 82%, transparent);
  box-shadow: 0 0 12px rgba(123, 47, 255, 0.5);
}

.page-about .about-timeline__item {
  position: relative;
  padding-bottom: 2rem;
}

.page-about .about-timeline__item::before {
  content: '';
  position: absolute;
  left: -1.25rem;
  top: 0.65rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 14px rgba(245, 197, 66, 0.75);
  transform: translateX(-50%);
}

.page-about .about-timeline__year {
  margin-bottom: 0.5rem;
}

.page-about .about-timeline__year .text-accent {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: 0.06em;
}

.page-about .about-timeline__card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
  color: var(--color-white);
}

.page-about .about-timeline__card p {
  margin: 0;
  color: var(--color-silver);
  line-height: 1.75;
  font-size: 0.93rem;
}

.page-about .about-timeline__details {
  margin-top: 0.85rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.16);
  padding-top: 0.6rem;
}

.page-about .about-timeline__details summary {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--color-gold);
  list-style: none;
  user-select: none;
  transition: color 0.25s var(--about-ease);
}

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

.page-about .about-timeline__details summary::before {
  content: '+';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border: 1px solid rgba(245, 197, 66, 0.5);
  border-radius: 50%;
  font-size: 0.8rem;
  line-height: 1;
  transition: transform 0.3s var(--about-ease), background 0.3s var(--about-ease), color 0.3s var(--about-ease);
}

.page-about .about-timeline__details[open] summary::before {
  transform: rotate(45deg);
  background: var(--color-gold);
  color: var(--color-bg);
}

.page-about .about-timeline__details summary:hover {
  color: var(--color-white);
}

.page-about .about-timeline__details div {
  margin-top: 0.6rem;
  padding: 0.75rem 0.85rem;
  border-left: 2px solid var(--color-purple);
  background: rgba(123, 47, 255, 0.08);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.page-about .about-timeline__speed {
  position: absolute;
  right: -10%;
  top: 0;
  width: 45%;
  height: 100%;
  background: repeating-linear-gradient(115deg, transparent 0 36px, rgba(123, 47, 255, 0.14) 36px 37px, transparent 37px 72px);
  pointer-events: none;
  transform: skewX(-8deg);
}

.page-about .about-philosophy {
  position: relative;
  padding: clamp(3.5rem, 8vw, 6rem) 0;
}

.page-about .about-philosophy::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--color-purple), var(--color-gold));
  opacity: 0.45;
}

.page-about .about-philosophy__head {
  margin-bottom: 1.5rem;
}

.page-about .about-philosophy__quote {
  margin: 0 0 2.5rem;
  padding: clamp(1.25rem, 3vw, 2rem) clamp(1.25rem, 3vw, 2.5rem);
  background: linear-gradient(120deg, rgba(123, 47, 255, 0.16), rgba(245, 197, 66, 0.08));
  border: 1px solid rgba(123, 47, 255, 0.3);
  border-radius: var(--radius);
}

.page-about .about-philosophy__quote p {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 600;
  line-height: 1.6;
  color: var(--color-white);
  text-shadow: 0 0 14px rgba(123, 47, 255, 0.5);
}

.page-about .about-philosophy__principles {
  display: grid;
  gap: 1rem;
}

.page-about .about-philosophy__principle {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  overflow: hidden;
  transition: transform 0.3s var(--about-ease), border-color 0.3s var(--about-ease), box-shadow 0.3s var(--about-ease);
}

.page-about .about-philosophy__principle:hover {
  transform: translateY(-4px);
  border-color: rgba(245, 197, 66, 0.45);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35), 0 0 16px rgba(123, 47, 255, 0.2);
}

.page-about .about-philosophy__num {
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--color-purple);
  font-family: var(--about-num-font);
}

.page-about .about-philosophy__principle h3 {
  margin: 0;
  font-size: 1.3rem;
  color: var(--color-white);
}

.page-about .about-philosophy__principle p {
  margin: 0;
  color: var(--color-silver);
  line-height: 1.75;
  font-size: 0.94rem;
}

.page-about .about-philosophy__line {
  display: block;
  height: 2px;
  width: 100%;
  margin-top: 0.75rem;
  background: linear-gradient(90deg, var(--color-purple), transparent 72%);
}

.page-about .about-team {
  padding: clamp(3.5rem, 8vw, 6rem) 0;
  background: var(--color-bg-deep);
  position: relative;
}

.page-about .about-team .section-sub {
  margin-bottom: 2.5rem;
}

.page-about .about-team__grid {
  display: grid;
  gap: 1.5rem;
}

.page-about .about-team__media {
  overflow: hidden;
}

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

.page-about .about-team__media-body {
  padding: 1.25rem 1.25rem 1.5rem;
}

.page-about .about-team__media-body h3 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
  color: var(--color-gold);
}

.page-about .about-team__media-body p {
  margin: 0;
  color: var(--color-silver);
  line-height: 1.75;
  font-size: 0.92rem;
}

.page-about .about-team__certs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

.page-about .about-team__cert {
  position: relative;
  min-height: 170px;
  padding: 0;
  border-radius: var(--radius);
  perspective: 800px;
  overflow: hidden;
}

.page-about .about-team__cert-inner {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 170px;
  transform-style: preserve-3d;
  transition: transform 0.55s var(--about-ease);
}

.page-about .about-team__cert:hover .about-team__cert-inner,
.page-about .about-team__cert:focus-within .about-team__cert-inner {
  transform: rotateY(180deg);
}

.page-about .about-team__cert-face {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 0.4rem;
  padding: 1.2rem;
  border-radius: var(--radius);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  background: linear-gradient(145deg, rgba(27, 38, 59, 0.95), rgba(13, 27, 42, 0.9));
  border: 1px solid rgba(255, 255, 255, 0.09);
}

.page-about .about-team__cert-front {
  border-color: rgba(245, 197, 66, 0.24);
}

.page-about .about-team__cert-front h3 {
  margin: 0.15rem 0 0;
  font-size: 1.25rem;
  line-height: 1.35;
  color: var(--color-white);
}

.page-about .about-team__cert-front p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-silver);
}

.page-about .about-team__cert-back {
  transform: rotateY(180deg);
  border-color: rgba(123, 47, 255, 0.5);
  background: linear-gradient(145deg, rgba(123, 47, 255, 0.22), rgba(13, 27, 42, 0.94));
}

.page-about .about-team__cert-back p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--color-silver);
}

.page-about .about-partners {
  position: relative;
  padding: clamp(3.5rem, 8vw, 6rem) 0;
  overflow: hidden;
}

.page-about .about-partners__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-about .about-partners__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.25;
}

.page-about .about-partners__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13, 27, 42, 0.82), rgba(27, 38, 59, 0.88));
}

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

.page-about .about-partners .section-sub {
  margin-bottom: 2.5rem;
}

.page-about .about-partners__grid {
  display: grid;
  gap: 1rem;
}

.page-about .about-partners__group {
  position: relative;
  background: rgba(13, 27, 42, 0.78);
  backdrop-filter: blur(6px);
  transition: transform 0.3s var(--about-ease), box-shadow 0.3s var(--about-ease), border-color 0.3s var(--about-ease);
}

.page-about .about-partners__group:hover {
  transform: translateY(-4px);
  border-color: rgba(245, 197, 66, 0.4);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35), 0 0 18px rgba(123, 47, 255, 0.22);
}

.page-about .about-partners__group h3 {
  margin: 0 0 0.5rem;
  font-size: 1.2rem;
  color: var(--color-white);
  position: relative;
  padding-left: 0.75rem;
}

.page-about .about-partners__group h3::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.2rem;
  bottom: 0.2rem;
  width: 3px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--color-purple), var(--color-gold));
}

.page-about .about-partners__group p {
  margin: 0 0 1rem;
  color: var(--color-silver);
  line-height: 1.75;
  font-size: 0.92rem;
}

.page-about .about-partners__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-about .about-partners__list li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.88rem;
  color: var(--color-silver);
}

.page-about .about-partners__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 7px;
  height: 7px;
  background: var(--color-cta);
  border-radius: 1px;
  transform: rotate(45deg);
}

.page-about .about-partners__cta {
  margin-top: 2.25rem;
  padding: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid rgba(57, 255, 136, 0.28);
  border-radius: var(--radius);
  background: rgba(57, 255, 136, 0.08);
}

.page-about .about-partners__cta p {
  margin: 0;
  color: var(--color-white);
  font-weight: 600;
}

@media (min-width: 640px) {
  .page-about .about-team__certs {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (min-width: 900px) {
  .page-about .about-origin__grid {
    grid-template-columns: 280px 1fr;
    gap: clamp(2rem, 5vw, 4.5rem);
  }

  .page-about .about-origin__side {
    position: sticky;
    top: 2rem;
    height: fit-content;
  }

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

  .page-about .about-origin__body > p:first-child {
    font-size: 1.12rem;
    color: var(--color-white);
  }

  .page-about .about-timeline__list {
    padding-left: 0;
  }

  .page-about .about-timeline__list::before {
    left: 50%;
    transform: translateX(-50%);
  }

  .page-about .about-timeline__item {
    display: grid;
    grid-template-columns: 1fr 84px 1fr;
    align-items: start;
    column-gap: 1rem;
    padding-bottom: 2.25rem;
  }

  .page-about .about-timeline__item::before {
    left: 50%;
    top: 0.85rem;
  }

  .page-about .about-timeline__year {
    margin-bottom: 0;
    padding-top: 0.2rem;
    text-align: right;
  }

  .page-about .about-timeline__card {
    grid-column: 3;
  }

  .page-about .about-timeline__item:nth-child(even) .about-timeline__card {
    grid-column: 1;
  }

  .page-about .about-timeline__item:nth-child(even) .about-timeline__year {
    grid-column: 3;
    text-align: left;
  }

  .page-about .about-timeline__item:nth-child(even) .about-timeline__card {
    text-align: right;
  }

  .page-about .about-timeline__item:nth-child(even) .about-timeline__card h3,
  .page-about .about-timeline__item:nth-child(even) .about-timeline__card p,
  .page-about .about-timeline__item:nth-child(even) .about-timeline__details {
    text-align: right;
  }

  .page-about .about-timeline__item:nth-child(even) .about-timeline__details summary {
    flex-direction: row-reverse;
  }

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

  .page-about .about-team__grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 1.75rem;
  }

  .page-about .about-team__media {
    align-self: start;
  }

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

  .page-about .about-hero__actions {
    margin-bottom: 2.25rem;
  }
}

@media (min-width: 1200px) {
  .page-about .about-team__grid {
    gap: 2.5rem;
  }

  .page-about .about-partners__grid {
    gap: 1.5rem;
  }
}