.page-about{
  --about-gap:clamp(20px,4vw,44px);
  --about-cut:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,14px 100%,0 calc(100% - 14px));
  background:var(--ink);
  color:var(--mist);
  font-family:var(--font-body);
  overflow-x:clip;
}

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

.page-about .about-hero{
  position:relative;
  padding:clamp(24px,5vw,56px) 0 clamp(28px,5vw,60px);
  background:
    radial-gradient(120% 90% at 82% -10%,rgba(0,229,195,.16),transparent 62%),
    linear-gradient(180deg,var(--night),var(--ink) 88%);
  border-bottom:1px solid var(--line-soft);
}

.page-about .about-hero__grid{
  display:grid;
  gap:clamp(22px,4vw,46px);
  align-items:end;
}

.page-about .about-hero h1{
  font-family:var(--font-head);
  font-weight:800;
  font-size:clamp(2rem,6.4vw,3.9rem);
  line-height:1.04;
  letter-spacing:-.01em;
  color:var(--paper);
  margin:.42em 0 0;
  text-wrap:balance;
}

.page-about .about-hero__lead{
  margin:clamp(14px,2.4vw,20px) 0 0;
  max-width:48ch;
  font-size:clamp(15px,1.6vw,17.5px);
  line-height:1.8;
  color:var(--mist);
}

.page-about .about-hero__facts{
  list-style:none;
  margin:clamp(22px,4vw,34px) 0 0;
  padding:16px 0 0;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;
  border-top:1px solid var(--line-soft);
}

.page-about .about-hero__facts li{
  display:flex;
  flex-direction:column;
  gap:4px;
  font-size:11.5px;
  letter-spacing:.06em;
  color:var(--mist);
}

.page-about .about-hero__facts .num{
  font-family:var(--font-num);
  font-weight:700;
  font-size:clamp(1.35rem,4.4vw,2rem);
  line-height:1;
}

.page-about .about-hero__media{
  margin:0;
  position:relative;
  background:var(--pitch);
  clip-path:var(--about-cut);
}

.page-about .about-hero__media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}

.page-about .media{
  margin:clamp(18px,3.4vw,28px) 0 0;
  position:relative;
  background:var(--pitch);
  clip-path:var(--about-cut);
}

.page-about .media--wide img{
  width:100%;
  aspect-ratio:3/2;
  object-fit:cover;
}

.page-about .media__caption{
  display:block;
  padding:9px 12px;
  font-size:12px;
  letter-spacing:.05em;
  color:var(--mist);
  background:rgba(6,31,25,.9);
  border-top:1px solid var(--line-soft);
}

/* ---------- .page-about layout ---------- */
.page-about .about-body{
  display:grid;
  gap:clamp(18px,3.5vw,40px);
  padding-top:clamp(24px,4vw,56px);
  padding-bottom:clamp(40px,6vw,80px);
}

.page-about .about-side{
  position:sticky;
  top:calc(var(--header-h) + 8px);
  z-index:3;
}

.page-about .about-side .toc{
  background:rgba(6,31,25,.94);
  border:1px solid var(--line-soft);
  padding:10px 12px;
  backdrop-filter:blur(6px);
}

.page-about .about-side .toc__title{
  margin:0 0 8px;
  font-size:11px;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--cyan);
}

.page-about .about-side .toc__list{
  list-style:none;
  margin:0;
  padding:0 0 2px;
  display:flex;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
}

.page-about .about-side .toc__list::-webkit-scrollbar{
  display:none;
}

.page-about .about-side .toc__link{
  display:block;
  white-space:nowrap;
  padding:6px 11px;
  font-size:12.5px;
  color:var(--mist);
  text-decoration:none;
  border:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}

.page-about .about-side .toc__link:hover,
.page-about .about-side .toc__link:focus-visible{
  color:var(--paper);
  border-color:var(--line);
}

.page-about .about-side .toc__link.is-active{
  color:var(--cyan);
  border-color:var(--line);
  background:rgba(0,229,195,.08);
}

/* ---------- sections ---------- */
.page-about .about-sec{
  padding:clamp(22px,3.6vw,34px) 0 clamp(6px,1.6vw,14px);
  border-top:1px solid var(--line-soft);
  scroll-margin-top:calc(var(--header-h) + 96px);
}

.page-about .about-sec:first-of-type{
  border-top:0;
  padding-top:0;
}

.page-about .about-sec__head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:10px 14px;
  margin-bottom:clamp(12px,2vw,18px);
}

.page-about .about-sec__num{
  font-family:var(--font-num);
  font-weight:700;
  font-size:clamp(1.5rem,5vw,2.4rem);
  line-height:1;
  color:rgba(0,229,195,.14);
  -webkit-text-stroke:1px var(--line);
}

.page-about .about-sec h2{
  margin:0;
  font-family:var(--font-head);
  font-weight:800;
  font-size:clamp(1.45rem,4.2vw,2.4rem);
  line-height:1.1;
  color:var(--paper);
  text-wrap:balance;
}

.page-about .about-sec p,
.page-about .about-cta p{
  margin:0 0 14px;
  font-size:clamp(15px,1.5vw,16.5px);
  line-height:1.8;
  color:var(--mist);
}

.page-about .about-lead{
  color:var(--paper);
  font-size:clamp(15.5px,1.7vw,17.5px);
}

.page-about .about-sec h3{
  margin:0 0 6px;
  font-family:var(--font-head);
  font-weight:700;
  font-size:clamp(1.05rem,2.6vw,1.3rem);
  line-height:1.25;
  color:var(--paper);
}

/* ---------- diagonal track ---------- */
.page-about .about-track{
  list-style:none;
  margin:clamp(20px,3.5vw,32px) 0 0;
  padding:0;
  display:grid;
  gap:12px;
  position:relative;
}

.page-about .about-track__item{
  position:relative;
  padding:16px 16px 18px;
  background:linear-gradient(160deg,rgba(0,229,195,.07),rgba(6,31,25,.92));
  border:1px solid var(--line-soft);
  border-left:2px solid var(--cyan);
  clip-path:var(--about-cut);
}

.page-about .about-track__item p{
  margin:0;
  font-size:14px;
  line-height:1.72;
  color:var(--mist);
}

.page-about .about-track__tag{
  display:inline-block;
  margin-bottom:8px;
  padding:2px 8px;
  font-size:11px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--orange);
  background:rgba(255,107,53,.1);
  border:1px solid rgba(255,107,53,.35);
}

/* ---------- method ---------- */
.page-about .about-method{
  display:grid;
  gap:14px;
  margin-top:clamp(16px,3vw,24px);
}

.page-about .about-method__card{
  background:rgba(6,31,25,.76);
  border:1px solid var(--line-soft);
  padding:clamp(16px,3vw,24px);
}

.page-about .about-method__card--amber{
  background:linear-gradient(155deg,rgba(255,176,58,.09),rgba(6,31,25,.92));
  border-color:rgba(255,176,58,.32);
}

.page-about .about-method__card p{
  font-size:14.5px;
  line-height:1.78;
}

.page-about .about-method__list{
  list-style:none;
  margin:0 0 14px;
  padding:0;
  display:grid;
  gap:10px;
}

.page-about .about-method__list li{
  position:relative;
  padding-left:16px;
  display:grid;
  gap:2px;
}

.page-about .about-method__list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.62em;
  width:6px;
  height:6px;
  background:var(--orange);
  transform:rotate(45deg);
}

.page-about .about-method__list strong{
  font-size:14.5px;
  font-weight:600;
  color:var(--paper);
}

.page-about .about-method__list span{
  font-size:13.5px;
  line-height:1.7;
  color:var(--mist);
}

.page-about .about-method__note{
  margin:0;
  padding-top:10px;
  border-top:1px dashed var(--line-soft);
  font-size:13px;
  color:var(--mist);
}

.page-about .about-scale{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:2px;
  margin:14px 0 16px;
  padding-top:12px;
  position:relative;
  border-top:1px solid var(--line-soft);
}

.page-about .about-scale::before{
  content:"";
  position:absolute;
  top:-1px;
  left:0;
  right:0;
  height:2px;
  background:linear-gradient(90deg,var(--cyan-soft),var(--amber),var(--orange));
}

.page-about .about-scale span{
  position:relative;
  padding-top:8px;
  text-align:center;
  font-family:var(--font-num);
  font-size:12px;
  color:var(--amber);
}

.page-about .about-scale span::before{
  content:"";
  position:absolute;
  top:-9px;
  left:50%;
  width:1px;
  height:7px;
  background:var(--line);
  transform:translateX(-50%);
}

/* ---------- data bands ---------- */
.page-about .about-band{
  margin:clamp(18px,3vw,26px) 0;
  padding:14px clamp(12px,2.6vw,20px);
  display:flex;
  flex-wrap:wrap;
  gap:8px 24px;
  align-items:center;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:repeating-linear-gradient(115deg,rgba(0,229,195,.06) 0 10px,transparent 10px 24px),
             rgba(4,17,13,.5);
}

.page-about .about-band span{
  font-size:12px;
  letter-spacing:.05em;
  color:var(--mist);
}

.page-about .about-band b{
  margin-right:4px;
  font-family:var(--font-num);
  font-weight:700;
  font-size:14.5px;
  color:var(--cyan);
}

/* ---------- team ---------- */
.page-about .about-team{
  display:grid;
  gap:14px;
  margin-top:clamp(16px,3vw,24px);
}

.page-about .about-team__item{
  padding-top:12px;
  border-top:2px solid var(--line);
}

.page-about .about-team__item .num{
  display:block;
  font-family:var(--font-num);
  font-weight:700;
  font-size:clamp(1.8rem,5vw,2.5rem);
  line-height:1;
  margin-bottom:8px;
  color:var(--cyan);
}

.page-about .about-team__item--orange .num{color:var(--orange);}
.page-about .about-team__item--amber .num{color:var(--amber);}
.page-about .about-team__item--paper .num{color:var(--paper);}

.page-about .about-team__item h3{
  margin:0 0 4px;
  font-size:15px;
}

.page-about .about-team__item p{
  margin:0;
  font-size:13.5px;
  line-height:1.72;
}

.page-about .about-team__flow{
  margin:clamp(18px,3vw,26px) 0 0;
  padding:14px 16px;
  border-left:2px solid var(--amber);
  background:rgba(255,176,58,.07);
  font-size:14px;
  line-height:1.78;
  color:var(--mist);
}

/* ---------- years ---------- */
.page-about .about-years{
  list-style:none;
  margin:clamp(16px,3vw,24px) 0 0;
  padding:4px 2px 16px;
  display:flex;
  gap:12px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  scrollbar-color:var(--line) transparent;
}

.page-about .about-years__item{
  position:relative;
  flex:0 0 clamp(190px,64vw,236px);
  scroll-snap-align:start;
  padding:16px;
  background:linear-gradient(180deg,rgba(0,229,195,.06),rgba(6,31,25,.9));
  border:1px solid var(--line-soft);
}

.page-about .about-years__item::after{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:34px;
  height:2px;
  background:var(--orange);
}

.page-about .about-years__year{
  display:block;
  font-family:var(--font-num);
  font-weight:700;
  font-size:clamp(1.35rem,4vw,1.85rem);
  line-height:1;
  color:var(--paper);
  margin-bottom:10px;
}

.page-about .about-years__item h3{
  font-size:14.5px;
  margin:0 0 8px;
}

.page-about .about-years__item p{
  margin:8px 0 0;
  font-size:13px;
  line-height:1.7;
}

.page-about .about-years__note{
  margin:14px 0 0;
  padding-top:12px;
  border-top:1px dashed var(--line-soft);
  font-size:13px;
  color:var(--mist);
}

/* ---------- eco ---------- */
.page-about .about-eco{
  display:grid;
  gap:14px;
  margin:clamp(16px,3vw,24px) 0;
}

.page-about .about-eco__item{
  padding:16px;
  background:rgba(4,17,13,.6);
  border:1px solid var(--line-soft);
  border-bottom:2px solid var(--line);
}

.page-about .about-eco__item .num{
  display:block;
  font-family:var(--font-num);
  font-weight:700;
  font-size:clamp(1.7rem,4.6vw,2.3rem);
  line-height:1;
  margin-bottom:8px;
}

.page-about .about-eco__item p{
  margin:0;
  font-size:13.5px;
  line-height:1.74;
}

/* ---------- principles ---------- */
.page-about .about-rules{
  list-style:none;
  margin:clamp(16px,3vw,24px) 0 0;
  padding:0;
  display:grid;
  gap:8px;
  counter-reset:rule;
}

.page-about .about-rules li{
  display:grid;
  gap:6px;
  padding:16px 16px 18px;
  background:var(--night);
  border-left:2px solid var(--orange);
  clip-path:var(--about-cut);
}

.page-about .about-rules h3{
  margin:0;
  font-size:clamp(1.05rem,2.6vw,1.2rem);
  color:var(--cyan);
}

.page-about .about-rules p{
  margin:0;
  font-size:14px;
  line-height:1.76;
}

/* ---------- cta ---------- */
.page-about .about-cta{
  margin-top:clamp(26px,4.5vw,44px);
  padding:clamp(20px,4vw,34px);
  background:linear-gradient(135deg,var(--night),var(--pitch) 70%);
  border:1px solid var(--line);
  clip-path:var(--about-cut);
}

.page-about .about-cta h2{
  margin:0 0 10px;
  font-family:var(--font-head);
  font-weight:800;
  font-size:clamp(1.4rem,4vw,2.1rem);
  line-height:1.12;
  color:var(--paper);
}

.page-about .about-cta p{
  max-width:56ch;
}

.page-about .about-cta__links{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:16px;
}

/* ---------- responsive ---------- */
@media (min-width:700px){
  .page-about .about-team,
  .page-about .about-eco{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media (min-width:820px){
  .page-about .about-hero__grid{
    grid-template-columns:1.16fr .84fr;
  }

  .page-about .about-method{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:16px;
  }

  .page-about .about-track{
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:12px;
    padding-bottom:18px;
  }

  .page-about .about-track::before{
    content:"";
    position:absolute;
    left:2%;
    right:2%;
    top:52%;
    height:1px;
    background:linear-gradient(90deg,transparent,var(--cyan),var(--amber),transparent);
    transform:rotate(-4deg);
    opacity:.55;
    pointer-events:none;
  }

  .page-about .about-track__item:nth-child(2){transform:translateY(-14px);}
  .page-about .about-track__item:nth-child(3){transform:translateY(9px);}
  .page-about .about-track__item:nth-child(4){transform:translateY(-6px);}

  .page-about .about-rules li{
    grid-template-columns:190px minmax(0,1fr);
    align-items:baseline;
    gap:18px;
  }
}

@media (min-width:960px){
  .page-about .about-body{
    grid-template-columns:212px minmax(0,1fr);
    gap:clamp(30px,4vw,60px);
    align-items:start;
  }

  .page-about .about-side .toc{
    padding:16px 14px;
  }

  .page-about .about-side .toc__list{
    flex-direction:column;
    gap:2px;
    overflow:visible;
    padding-bottom:0;
  }

  .page-about .about-side .toc__link{
    white-space:normal;
    padding:8px 10px;
    border-left:2px solid transparent;
    border-top:0;
    border-right:0;
    border-bottom:0;
    background:transparent;
  }

  .page-about .about-side .toc__link.is-active{
    border-left-color:var(--cyan);
    background:rgba(0,229,195,.07);
  }

  .page-about .about-hero h1{
    font-size:clamp(2.6rem,4.4vw,3.9rem);
  }
}

@media (min-width:1120px){
  .page-about .about-team{
    grid-template-columns:repeat(4,minmax(0,1fr));
  }

  .page-about .about-eco{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
}

@media (prefers-reduced-motion:reduce){
  .page-about .about-side .toc__link{
    transition:none;
  }

  .page-about .about-track::before{
    transform:none;
  }

  .page-about .about-track__item:nth-child(2),
  .page-about .about-track__item:nth-child(3),
  .page-about .about-track__item:nth-child(4){
    transform:none;
  }
}