/* About / library / technical info pages */
.about-intro{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:start;padding:48px 0 20px}
.about-intro__copy h2{font:800 clamp(28px,3.6vw,44px)/1.1 Manrope;margin:12px 0 18px;letter-spacing:-.03em}
.about-intro__copy p{color:#505754;line-height:1.7;margin:0 0 14px;max-width:620px}
.about-card{background:var(--graphite);color:#fff;padding:28px;display:flex;flex-direction:column;gap:8px}
.about-card span{color:#aeb5af;font-size:10px;font-weight:700;letter-spacing:.12em;margin-top:8px}
.about-card strong{font:700 16px/1.45 Manrope;letter-spacing:-.01em}
.about-card p{margin:0;color:#cdd1cc;line-height:1.6;font-size:14px}
.about-card .btn{margin-top:22px;align-self:flex-start}
.about-values{background:#eeeae2;padding:72px 0;margin-top:40px}
.about-values h2{font:800 clamp(28px,3.4vw,42px)/1.1 Manrope;margin:12px 0 28px;max-width:720px}
.about-value-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.about-value-grid article{background:#f6f6f7;padding:24px;min-height:220px}
.about-value-grid b{color:var(--brand);font:700 12px Manrope;letter-spacing:.1em}
.about-value-grid h3{font:700 20px/1.2 Manrope;margin:12px 0 10px}
.about-value-grid p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}
.about-principle{padding:64px 0 48px}
.about-principle h2{font:800 clamp(28px,3.4vw,42px)/1.1 Manrope;margin:12px 0 22px;max-width:760px}
.about-principle__text{max-width:820px}
.about-links{display:flex;flex-wrap:wrap;gap:14px 22px;margin-top:28px}
.about-links a{font-size:13px;font-weight:700;color:#333c3a}
.about-links a:hover{color:var(--brand)}

.about-billing{padding:0 0 90px}
.about-billing__panel{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:36px 48px;align-items:start;padding:36px 40px;background:var(--graphite);color:#fff;border-top:4px solid var(--brand)}
.about-billing__head .eyebrow{color:#d5ad7f}
.about-billing__head h2{font:800 clamp(26px,3.2vw,38px)/1.1 Manrope;margin:12px 0 14px;letter-spacing:-.03em}
.about-billing__head p{margin:0;max-width:420px;color:#aeb5af;font-size:14px;line-height:1.65}
.about-billing__grid{display:grid;grid-template-columns:1fr 1fr;gap:22px 28px;margin:0}
.about-billing__grid > div{padding:16px 0 0;border-top:1px solid rgba(255,255,255,.14)}
.about-billing__grid dt{margin:0 0 8px;font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#d5ad7f}
.about-billing__grid dd{margin:0;font:600 15px/1.5 Manrope;letter-spacing:-.01em;color:#f2f0ea;word-break:break-word}

.library-section{padding:42px 0 90px}
.library-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.library-card{display:flex;flex-direction:column;align-items:flex-start;background:#fff;border:1px solid var(--line);padding:22px 20px 20px;min-height:100%;transition:border-color .2s,transform .2s}
.library-card:hover{border-color:var(--brand);transform:translateY(-2px)}
.library-card__icon{margin-bottom:14px;line-height:0}
.library-card small{color:var(--brand);font-size:11px;font-weight:700;letter-spacing:.08em}
.library-card h2{margin:8px 0 0;font:700 22px/1.25 Manrope;letter-spacing:-.02em}
.library-card p{margin:10px 0 0;color:var(--muted);font-size:14px;line-height:1.55;flex:1}
.library-card .btn{margin-top:18px;align-self:flex-start}

.tech-toc{padding:36px 0 10px}
.tech-toc__list{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.tech-toc__list a{padding:10px 14px;border:1px solid var(--line);background:#fff;font-size:12px;font-weight:700}
.tech-toc__list a:hover{border-color:var(--brand);color:var(--brand)}
.tech-block{padding:48px 0;border-top:1px solid var(--line)}
.tech-block__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.tech-block.is-reverse .tech-block__grid{grid-template-columns:.95fr 1.05fr}
.tech-block.is-reverse .tech-block__media{order:2}
.tech-block.is-reverse .tech-block__copy{order:1}
.tech-block__media{position:relative;background:var(--graphite);overflow:hidden;aspect-ratio:16/10}
.tech-block__media video{width:100%;height:100%;object-fit:cover;object-position:center;display:block;background:var(--graphite)}
.tech-block__placeholder{position:absolute;inset:0;display:grid;place-items:center;background:linear-gradient(145deg,var(--graphite),#2a3332);color:#d5ad7f;font:800 48px Manrope}
.tech-video-sound{position:absolute;right:14px;bottom:14px;z-index:2;border:0;cursor:pointer;background:rgba(23,32,33,.88);color:#fff;font:700 11px 'DM Sans';letter-spacing:.04em;padding:10px 12px}
.tech-video-sound:hover{background:var(--brand)}
.tech-block__copy h2{font:800 clamp(26px,3.2vw,38px)/1.12 Manrope;margin:12px 0 16px;letter-spacing:-.03em}
.tech-block__copy .prose{max-width:560px}
.tech-block__copy .prose p{margin:0 0 12px}
.tech-block__copy .prose ul{margin:0 0 12px;padding-left:1.15em}
.tech-block__copy .prose li{margin:0 0 6px;color:#505754;line-height:1.6}
.tech-cta{display:flex;justify-content:space-between;gap:28px;align-items:end;padding:56px 0 90px;border-top:1px solid var(--line);margin-top:20px}
.tech-cta h2{font:800 clamp(26px,3.2vw,38px)/1.12 Manrope;margin:10px 0 12px;max-width:520px}
.tech-cta p{margin:0;color:var(--muted);max-width:480px}
.tech-cta__actions{display:flex;flex-wrap:wrap;gap:10px}

@media(max-width:1000px){
  .about-intro,.tech-block__grid,.tech-block.is-reverse .tech-block__grid{grid-template-columns:1fr}
  .about-value-grid,.library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .about-billing__panel{grid-template-columns:1fr;padding:28px 24px;gap:28px}
  .tech-block.is-reverse .tech-block__media,.tech-block.is-reverse .tech-block__copy{order:initial}
  .tech-cta{flex-direction:column;align-items:flex-start}
}
@media(max-width:700px){
  .about-value-grid,.library-grid{grid-template-columns:1fr}
  .about-values{padding:52px 0}
  .about-billing__grid{grid-template-columns:1fr;gap:16px}
  .tech-block{padding:36px 0}
  .tech-block__media{aspect-ratio:16/11}
}