.page-about{--about-philosophy-bg:#0A0A0C;--about-card-bg:#1B2A4A;--about-card-text:rgba(255,255,255,.78)}
.page-about img{max-width:100%;height:auto}
.page-about .about-hero{padding:2rem 0 3rem;color:#fff;position:relative;overflow:hidden}
.page-about .about-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,transparent 0 78%,rgba(255,77,0,.16) 78% 82%,transparent 82% 100%);pointer-events:none}
.page-about .about-hero .container{position:relative;z-index:1}
.page-about .about-hero .breadcrumb{padding:0 0 1.5rem;margin-bottom:1.5rem;border-bottom:1px solid rgba(255,255,255,.12)}
.page-about .about-hero .breadcrumb-link{color:rgba(255,255,255,.66);text-decoration:none}
.page-about .about-hero .breadcrumb-link:hover{color:var(--color-brand)}
.page-about .about-hero .breadcrumb-item{color:rgba(255,255,255,.88)}
.page-about .about-hero-title{max-width:14em;margin-bottom:1.5rem;color:#fff}
.page-about .about-hero-lead{max-width:42rem;color:rgba(255,255,255,.76);font-size:1rem;line-height:1.8;margin-bottom:2rem}
.page-about .about-hero-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-bottom:2.25rem}
.page-about .about-hero .btn-light,.page-about .about-hero .btn-outline{border-color:rgba(255,255,255,.55);color:#fff}
.page-about .about-hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem;max-width:560px}
.page-about .stat-chip{display:flex;align-items:baseline;gap:.5rem;padding:.75rem 1rem;border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-pill);background:rgba(255,255,255,.06)}
.page-about .stat-num{font-family:var(--font-code);font-weight:700;font-size:1.15rem;color:var(--color-brand)}
.page-about .stat-label{font-size:.8rem;color:rgba(255,255,255,.62)}
.page-about .about-origin{padding:3.5rem 0 4rem}
.page-about .about-origin-grid{display:grid;gap:2rem;align-items:center}
.page-about .about-origin-copy{max-width:36rem}
.page-about .about-origin-copy h2,.page-about .about-section-head h2,.page-about .about-tech-copy h2{font-family:var(--font-heading);font-size:var(--text-h2);line-height:1.25;margin-bottom:1rem}
.page-about .about-origin-copy p{color:var(--color-text-secondary);line-height:1.85;margin-bottom:1rem}
.page-about .about-origin-figure{margin:0}
.page-about .about-origin-img{border-radius:var(--radius-lg)}
.page-about .about-origin-figure figcaption,.page-about .about-tech-figure figcaption,.page-about .about-milestone-bg figcaption{margin-top:.75rem;font-size:.8rem;color:var(--color-text-secondary);border-left:3px solid var(--color-brand);padding-left:.75rem;line-height:1.5}
.page-about .about-milestones{background-color:var(--color-bg-card);background-image:linear-gradient(to right,rgba(209,213,219,.35) 1px,transparent 1px),linear-gradient(to bottom,rgba(209,213,219,.35) 1px,transparent 1px);background-size:32px 32px;padding:4rem 0}
.page-about .about-section-head{margin-bottom:2.5rem}
.page-about .about-section-head p{color:var(--color-text-secondary);max-width:38rem;line-height:1.8}
.page-about .about-timeline{position:relative}
.page-about .timeline-rail{display:flex;gap:.5rem;overflow-x:auto;padding:0 0 1rem;-webkit-overflow-scrolling:touch;scrollbar-width:thin;scroll-snap-type:x proximity}
.page-about .timeline-dot{flex:0 0 auto;scroll-snap-align:start;display:inline-flex;align-items:center;gap:.45rem;padding:.55rem .95rem;background:#fff;border:1px solid var(--color-grid);border-radius:var(--radius-pill);color:var(--color-text);text-decoration:none;transition:background .2s,border-color .2s,transform .2s}
.page-about .timeline-dot:hover{border-color:var(--color-brand);transform:translateY(-2px)}
.page-about .timeline-dot::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--color-grid);transition:background .2s}
.page-about .timeline-dot[data-active="true"]{background:var(--color-brand);border-color:var(--color-brand);color:#fff}
.page-about .timeline-dot[data-active="true"]::before{background:#fff}
.page-about .timeline-year{font-family:var(--font-code);font-weight:700}
.page-about .timeline-label{font-size:.82rem;color:inherit;opacity:.8;white-space:nowrap}
.page-about .timeline-events{margin-top:1rem;display:grid;gap:1rem}
.page-about .timeline-event{background:#fff;border:1px solid var(--color-grid);border-radius:var(--radius-lg);padding:1.5rem}
.page-about .timeline-event-head{display:flex;align-items:center;gap:.6rem;margin-bottom:1rem}
.page-about .event-year{font-family:var(--font-code);font-weight:700;color:var(--color-brand);font-size:1.05rem}
.page-about .timeline-event h3{font-family:var(--font-heading);font-size:var(--text-h3);margin-bottom:.75rem}
.page-about .timeline-event p{color:var(--color-text-secondary);line-height:1.8;font-size:.95rem}
.page-about .timeline-details{margin-top:1rem;padding:.9rem 1rem;background:var(--color-bg-card);border-radius:var(--radius-md);border:1px solid rgba(209,213,219,.6)}
.page-about .timeline-details summary{cursor:pointer;font-weight:600;color:var(--color-blue-deep)}
.page-about .timeline-details p{margin-top:.75rem;padding-top:.75rem;border-top:1px solid rgba(209,213,219,.7)}
.page-about .timeline-event .text-link{display:inline-block;margin-top:1rem;color:var(--color-brand);font-weight:600;text-decoration:none;border-bottom:1px solid var(--color-brand)}
.page-about .about-milestone-bg{margin:3rem 0 0;border-radius:var(--radius-lg);overflow:hidden}
.page-about .about-milestone-bg img{object-fit:cover;max-height:300px;display:block;width:100%}
.page-about .about-milestone-bg figcaption{background:var(--color-bg-card);padding:.75rem 1rem;margin:0}
.page-about .about-philosophy{background:var(--about-philosophy-bg);color:#fff;padding:4rem 0}
.page-about .about-philosophy .about-section-head h2{color:#fff}
.page-about .about-philosophy .about-section-head p{color:rgba(255,255,255,.65)}
.page-about .about-philosophy .index-tag--box{border-color:rgba(255,255,255,.28);color:#fff;background:rgba(255,255,255,.05)}
.page-about .about-philosophy-grid{display:grid;gap:1rem;grid-template-columns:1fr}
.page-about .about-philosophy-card{background:var(--about-card-bg);border-radius:var(--radius-lg);padding:1.75rem 1.5rem;border-top:4px solid var(--color-brand);position:relative}
.page-about .about-philosophy-num{font-family:var(--font-code);font-weight:700;color:var(--color-brand);font-size:1.2rem;display:block;margin-bottom:.75rem;opacity:.95}
.page-about .about-philosophy-card h3{color:#fff;font-family:var(--font-heading);font-size:1.1rem;margin-bottom:.6rem}
.page-about .about-philosophy-card p{color:var(--about-card-text);font-size:.9rem;line-height:1.75}
.page-about .about-tech{padding:4rem 0}
.page-about .about-tech-grid{display:grid;gap:2rem;align-items:center}
.page-about .about-tech-copy h2{margin-bottom:1rem}
.page-about .about-tech-lead{color:var(--color-text-secondary);line-height:1.8;margin-bottom:1.25rem}
.page-about .about-tech-copy p{color:var(--color-text-secondary);line-height:1.8}
.page-about .about-tech-list{list-style:none;margin:0 0 1.25rem;padding:0;display:grid;gap:.6rem}
.page-about .about-tech-list li{position:relative;padding-left:1.75rem;color:var(--color-text);font-size:.95rem;line-height:1.7}
.page-about .about-tech-list li strong{color:var(--color-blue-deep)}
.page-about .about-tech-list li::before{content:"";position:absolute;left:0;top:.6rem;width:8px;height:8px;background:var(--color-brand);border-radius:2px;transform:rotate(45deg)}
.page-about .about-tech-figure{margin:0}
.page-about .about-tech-img{border-radius:var(--radius-lg)}
.page-about .about-tech-btn{margin-top:1.25rem}
@media (min-width:860px){
  .page-about .about-hero{padding:3.5rem 0 4.5rem}
  .page-about .about-hero .breadcrumb{margin-bottom:2rem}
  .page-about .about-hero-stats{grid-template-columns:repeat(4,auto)}
  .page-about .about-origin{padding:5rem 0}
  .page-about .about-origin-grid{grid-template-columns:1.1fr .9fr;gap:3rem}
  .page-about .about-milestones{padding:5rem 0}
  .page-about .about-timeline{display:grid;grid-template-columns:35% 1fr;column-gap:3rem}
  .page-about .timeline-rail{display:block;position:relative;padding:0;overflow:visible}
  .page-about .timeline-rail::before{content:"";position:absolute;left:0;top:1rem;bottom:1rem;width:1px;background:var(--color-grid)}
  .page-about .timeline-rail::after{content:"";position:absolute;left:-8px;top:1rem;bottom:1rem;width:17px;background:repeating-linear-gradient(to bottom,transparent 0 26px,var(--color-grid) 26px 27px,transparent 27px 52px)}
  .page-about .timeline-dot{display:flex;flex-direction:column;align-items:flex-start;gap:.35rem;padding:1.25rem 0 1.25rem 34px;background:none;border:none;border-radius:0;position:relative}
  .page-about .timeline-dot::before{position:absolute;left:-7px;top:1.85rem;width:14px;height:14px;background:#fff;border:2px solid var(--color-brand);box-shadow:0 0 0 3px var(--color-bg-card)}
  .page-about .timeline-dot[data-active="true"]{background:none;color:var(--color-text)}
  .page-about .timeline-dot[data-active="true"]::before{background:var(--color-brand)}
  .page-about .timeline-dot[data-active="true"] .timeline-year{color:var(--color-brand)}
  .page-about .timeline-year{font-size:1.35rem}
  .page-about .timeline-label{opacity:1;color:var(--color-text-secondary);white-space:normal}
  .page-about .timeline-events{margin-top:0;display:block}
  .page-about .timeline-event{padding:2rem;margin-bottom:1.75rem;box-shadow:0 10px 30px rgba(10,10,12,.06)}
  .page-about .timeline-event-head{margin-bottom:1.25rem}
  .page-about .about-milestone-bg img{max-height:420px}
  .page-about .about-philosophy{padding:5.5rem 0}
  .page-about .about-philosophy-grid{grid-template-columns:repeat(2,1fr);gap:1.5rem}
  .page-about .about-tech{padding:5.5rem 0 6rem}
  .page-about .about-tech-grid{grid-template-columns:1.05fr .95fr;gap:3.5rem}
}