.page-about{
  --about-bg-deep: #060E1C;
  --about-bg-panel: rgba(255,255,255,0.04);
  --about-line: rgba(0,230,118,0.28);
  --about-gold-soft: rgba(255,215,0,0.14);
  --about-clip: polygon(0 0, calc(100% - 28px) 0, 100% 28px, 100% 100%, 28px 100%, 0 calc(100% - 28px));
  background:
    linear-gradient(135deg, rgba(0,230,118,0.05) 0%, transparent 40%),
    var(--about-bg-deep);
  color: var(--color-white);
  overflow: hidden;
}
.page-about__hero{
  position: relative;
  padding: 6rem 0 4.5rem;
}
.page-about__hero::before{
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(48vw, 620px);
  height: 100%;
  background:
    linear-gradient(120deg, transparent 30%, rgba(0,230,118,0.06) 100%),
    linear-gradient(45deg, rgba(255,255,255,0.03) 25%, transparent 25%) 0 0 / 18px 18px;
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}
.page-about__hero-inner{
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: end;
  position: relative;
  z-index: 1;
}
.page-about__index-meta{
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  text-transform: uppercase;
  margin: 0 0 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.page-about__index-meta::before{
  content: "→";
  color: var(--color-accent);
  font-weight: 700;
}
.page-about__hero-title{
  font-family: var(--font-heading);
  font-size: clamp(2.25rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.08;
  margin: 0 0 1.5rem;
  letter-spacing: -0.02em;
  max-width: 7.5em;
}
.page-about__hero-tilt{
  color: var(--color-accent);
  font-style: italic;
  margin: 0 0.12em;
}
.page-about__hero-lead{
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--color-muted);
  max-width: 34rem;
  margin: 0 0 2rem;
}
.page-about__hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.page-about__hero-stats{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.1);
  clip-path: var(--about-clip);
}
.page-about__stat-block{
  background: rgba(10, 22, 40, 0.94);
  padding: 1.35rem 1rem 1.15rem;
  text-align: center;
  position: relative;
}
.page-about__stat-block--line::before{
  content: "";
  position: absolute;
  top: 15%;
  bottom: 15%;
  left: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(0,230,118,0.5), transparent);
}
.page-about__stat-block--line::after{
  content: "";
  position: absolute;
  top: 15%;
  bottom: 15%;
  right: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(0,230,118,0.5), transparent);
}
.page-about__stat-num{
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.1;
}
.page-about__stat-num small{
  font-size: 0.6em;
  color: rgba(255,255,255,0.85);
  margin-left: 0.1em;
}
.page-about__stat-num--gold{
  color: var(--color-gold);
}
.page-about__stat-label{
  display: block;
  font-size: 0.75rem;
  color: var(--color-muted);
  margin-top: 0.4rem;
  letter-spacing: 0.06em;
}
.page-about__brand{
  padding: 5rem 0;
  background: rgba(255,255,255,0.02);
  position: relative;
}
.page-about__brand::before{
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 10px;
  height: 140px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-accent-dark));
  transform: translateY(-50%) skewY(-20deg);
}
.page-about__brand-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
.page-about__section-title{
  font-family: var(--font-heading);
  font-size: var(--fs-h2);
  font-weight: 900;
  line-height: 1.2;
  margin: 0 0 1.25rem;
  letter-spacing: -0.01em;
}
.page-about__text{
  color: var(--color-muted);
  line-height: 1.75;
  font-size: 1rem;
  margin: 0 0 1rem;
}
.page-about__value-list{
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.8rem;
}
.page-about__value-item{
  display: flex;
  align-items: center;
  gap: 0.9rem;
  font-size: 0.9375rem;
  color: rgba(255,255,255,0.88);
}
.page-about__value-mark{
  font-family: var(--font-mono);
  color: var(--color-gold);
  font-size: 0.8rem;
  border: 1px solid rgba(255,215,0,0.35);
  padding: 0.2rem 0.45rem;
  line-height: 1;
  border-radius: 4px;
}
.page-about__brand-card{
  background: var(--about-bg-panel);
  border: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
  padding: 2rem 1.6rem 1.75rem;
  clip-path: var(--about-clip);
  position: relative;
  align-self: center;
}
.page-about__brand-card::after{
  content: "";
  position: absolute;
  right: -1px;
  top: 28px;
  width: 4px;
  height: 60px;
  background: var(--color-gold);
  opacity: 0.6;
}
.page-about__brand-card-head{
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.4rem;
}
.page-about__brand-card-tag{
  font-size: 0.75rem;
  color: var(--color-accent);
  border: 1px solid var(--about-line);
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-weight: 600;
}
.page-about__brand-card-code{
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-muted);
  letter-spacing: 0.14em;
}
.page-about__brand-card-quote{
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 1.5rem;
}
.page-about__brand-card-line{
  height: 1px;
  background: linear-gradient(to right, rgba(0,230,118,0.6), transparent);
  margin-bottom: 1.2rem;
}
.page-about__brand-card-foot{
  font-size: 0.875rem;
  color: var(--color-muted);
  margin: 0;
}
.page-about__timeline{
  padding: 5rem 0;
  position: relative;
  background: linear-gradient(180deg, rgba(10,22,40,1) 0%, rgba(6,14,28,1) 100%);
}
.page-about__timeline::before{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.5;
}
.page-about__timeline-head{
  max-width: 36rem;
  margin-bottom: 3.5rem;
}
.page-about__section-desc{
  color: var(--color-muted);
  line-height: 1.7;
  margin: 0;
  font-size: 0.9375rem;
}
.page-about__timeline-canvas{
  position: relative;
}
.page-about__timeline-bg{
  position: absolute;
  top: 0;
  right: 0;
  max-width: 220px;
  opacity: 0.28;
  filter: grayscale(0.3);
  pointer-events: none;
  z-index: 0;
}
.page-about__timeline-list{
  position: relative;
  z-index: 1;
}
.page-about__timeline-list::before{
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 12px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), rgba(0,230,118,0.08) 80%);
}
.page-about__tl-item{
  position: relative;
  padding-left: 3rem;
  margin-bottom: 2.5rem;
}
.page-about__tl-item:last-child{
  margin-bottom: 0;
}
.page-about__tl-item::before{
  content: "";
  position: absolute;
  left: 12px;
  top: 6px;
  width: 12px;
  height: 12px;
  background: var(--color-accent);
  border-radius: 50%;
  transform: translateX(-50%);
  box-shadow: 0 0 0 4px rgba(0,230,118,0.18), 0 0 18px rgba(0,230,118,0.6);
}
.page-about__tl-year{
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-gold);
  letter-spacing: 0.06em;
  font-weight: 700;
  display: block;
  margin-bottom: 0.5rem;
}
.page-about__tl-module{
  background: rgba(255,255,255,0.035);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  padding: 1.15rem 1.25rem 1.15rem 1.5rem;
  position: relative;
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}
.page-about__tl-module:hover{
  background: rgba(0,230,118,0.07);
  transform: translateX(4px);
}
.page-about__tl-title{
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  margin: 0 0 0.45rem;
}
.page-about__tl-desc{
  color: var(--color-muted);
  font-size: 0.875rem;
  line-height: 1.65;
  margin: 0;
}
.page-about__tl-index{
  position: absolute;
  top: 0.75rem;
  right: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(255,255,255,0.18);
  letter-spacing: 0.08em;
}
.page-about__scale{
  padding: 5rem 0;
}
.page-about__scale-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}
.page-about__scale-img-col{
  position: relative;
}
.page-about__scale-img{
  width: 100%;
  height: auto;
  clip-path: var(--about-clip);
  border: 1px solid var(--color-border);
  filter: saturate(1.05);
  display: block;
}
.page-about__scale-img-col::after{
  content: "";
  position: absolute;
  inset: auto -12px -12px auto;
  width: 70px;
  height: 70px;
  background:
    linear-gradient(135deg, transparent 45%, var(--color-gold) 45%, var(--color-gold) 55%, transparent 55%),
    linear-gradient(45deg, transparent 45%, var(--color-gold) 45%, var(--color-gold) 55%, transparent 55%);
  background-size: 14px 14px;
  opacity: 0.5;
}
.page-about__stat-cards{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.09);
  border: 1px solid rgba(255,255,255,0.1);
  margin-top: 2rem;
}
.page-about__scale-stat{
  background: var(--color-primary);
  padding: 1.35rem 1rem 1.1rem;
  text-align: center;
}
.page-about__scale-num{
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1.1;
}
.page-about__scale-num small{
  font-size: 0.55em;
  color: rgba(255,255,255,0.75);
  margin-left: 0.12em;
}
.page-about__scale-stat--gold .page-about__scale-num{
  color: var(--color-gold);
}
.page-about__scale-name{
  display: block;
  font-size: 0.75rem;
  color: var(--color-muted);
  margin-top: 0.45rem;
  letter-spacing: 0.04em;
}
.page-about__tech{
  padding: 5rem 0;
  position: relative;
  background: linear-gradient(180deg, rgba(10,22,40,1) 0%, rgba(30,42,58,0.5) 100%);
}
.page-about__tech-head{
  max-width: 36rem;
  margin-bottom: 3rem;
}
.page-about__tech-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.page-about__tech-card{
  background: rgba(255,255,255,0.035);
  border: 1px solid var(--color-border);
  border-top: 2px solid var(--color-accent);
  padding: 1.75rem 1.5rem 1.4rem;
  position: relative;
  clip-path: var(--about-clip);
}
.page-about__tech-card--primary{
  background:
    linear-gradient(145deg, rgba(0,230,118,0.1) 0%, rgba(0,230,118,0.02) 45%),
    rgba(255,255,255,0.035);
}
.page-about__tech-card--wide{
  grid-column: 1;
}
.page-about__tech-card-code{
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  margin: 0 0 1rem;
}
.page-about__tech-card-title{
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 800;
  margin: 0 0 0.6rem;
}
.page-about__tech-card-text{
  color: var(--color-muted);
  font-size: 0.875rem;
  line-height: 1.7;
  margin: 0;
}
.page-about__tech-metric{
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}
.page-about__tech-num{
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-gold);
}
.page-about__tech-label{
  font-size: 0.75rem;
  color: var(--color-muted);
}
.page-about__data{
  padding: 5rem 0;
}
.page-about__data-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: center;
}
.page-about__data-img{
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid rgba(255,255,255,0.15);
  clip-path: var(--about-clip);
  background: rgba(0,230,118,0.03);
}
.page-about__data-list{
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 1.25rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.page-about__data-row{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.95rem 0.25rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  gap: 1rem;
}
.page-about__data-name{
  font-size: 0.9375rem;
  color: var(--color-muted);
}
.page-about__data-num{
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-white);
  white-space: nowrap;
}
.page-about__data-note{
  font-size: 0.875rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin: 0;
}
.page-about__credential{
  padding: 5rem 0;
}
.page-about__credential-head{
  margin-bottom: 2.5rem;
}
.page-about__credential-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
.page-about__credential-card{
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--color-border);
  padding: 1.75rem 1.5rem;
  position: relative;
}
.page-about__credential-card--wide{
  background: linear-gradient(135deg, rgba(255,215,0,0.06) 0%, rgba(0,230,118,0.04) 100%);
  border: 1px solid rgba(255,215,0,0.2);
  padding: 1.75rem 1.5rem;
  grid-column: 1;
}
.page-about__credential-code{
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--color-gold);
  margin: 0 0 0.9rem;
}
.page-about__credential-title{
  font-family: var(--font-heading);
  font-size: 1.12rem;
  font-weight: 800;
  margin: 0 0 0.6rem;
}
.page-about__credential-text{
  color: var(--color-muted);
  font-size: 0.875rem;
  line-height: 1.7;
  margin: 0;
}
.page-about__credential-links{
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.4rem;
}
.page-about__footnav{
  padding: 3.5rem 0 4.5rem;
}
.page-about__footnav-inner{
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2rem;
}
.page-about__footnav-link{
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.9375rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  transition: color 0.25s var(--ease), transform 0.25s var(--ease);
}
.page-about__footnav-link::before{
  content: "→";
  color: var(--color-accent);
  font-family: var(--font-mono);
}
.page-about__footnav-link:hover{
  color: var(--color-accent);
  transform: translateX(4px);
}

@media (min-width: 560px){
  .page-about__timeline-list::before{
    left: 50%;
    transform: translateX(-50%);
  }
  .page-about__tl-item{
    width: 50%;
    padding-left: 0;
    padding-right: 3rem;
  }
  .page-about__tl-item::before{
    left: auto;
    right: -6px;
    transform: none;
  }
  .page-about__tl-item:nth-child(even){
    margin-left: 50%;
    padding-left: 3rem;
    padding-right: 0;
  }
  .page-about__tl-item:nth-child(even)::before{
    left: -6px;
    right: auto;
  }
  .page-about__tl-item:nth-child(even) .page-about__tl-year{
    text-align: left;
  }
  .page-about__tech-grid{
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about__tech-card--wide{
    grid-column: 1 / -1;
  }
  .page-about__credential-grid{
    grid-template-columns: repeat(2, 1fr);
  }
  .page-about__credential-card--wide{
    grid-column: 1 / -1;
  }
}

@media (min-width: 860px){
  .page-about__hero{
    padding: 7rem 0 5rem;
  }
  .page-about__hero-inner{
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
    gap: 3.5rem;
  }
  .page-about__hero-stats{
    grid-template-columns: 1fr;
    grid-template-rows: repeat(3, 1fr);
    max-width: 380px;
    justify-self: end;
    width: 100%;
  }
  .page-about__stat-block{
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: left;
    padding: 1.2rem 1.5rem;
  }
  .page-about__stat-block--line::before{
    top: 0;
    bottom: auto;
    left: 15%;
    right: 15%;
    width: auto;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(0,230,118,0.5), transparent);
  }
  .page-about__stat-block--line::after{
    top: auto;
    bottom: 0;
    left: 15%;
    right: 15%;
    width: auto;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(0,230,118,0.5), transparent);
  }
  .page-about__brand-grid{
    grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
    gap: 4rem;
  }
  .page-about__timeline-bg{
    max-width: 280px;
  }
  .page-about__scale{
    padding: 6rem 0;
  }
  .page-about__scale-grid{
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 4rem;
  }
  .page-about__data-grid{
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 4rem;
  }
  .page-about__footnav-inner{
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1.75rem 2.5rem;
  }
}

@media (min-width: 1060px){
  .page-about__tech-grid{
    grid-template-columns: repeat(4, 1fr);
  }
  .page-about__tech-card--wide{
    grid-column: auto;
  }
  .page-about__credential-grid{
    grid-template-columns: 1fr 1fr 1.2fr;
  }
  .page-about__credential-card--wide{
    grid-column: auto;
  }
}