/* About-only compositions; shared homepage styling stays unchanged. */
.about-page h1, .about-page h2, .about-page h3 { font-weight: 500; letter-spacing: -.045em; }
.about-hero { padding-block: clamp(4rem, 8vw, 8rem) clamp(3rem, 5vw, 5rem); }
.about-hero h1 { font-size: clamp(2.6rem, 5.7vw, 5.5rem); line-height: 1.06; margin-block: 2.5rem 3.5rem; }
.about-hero__bottom { border-top: 1px solid var(--border); padding-top: 2rem; display: grid; grid-template-columns: repeat(12,minmax(0,1fr)); gap: 1.5rem; align-items: end; }
.about-hero__bottom p { grid-column: 1 / 7; font-size: 1.125rem; line-height: 1.65; color: var(--muted-foreground); }
.about-hero__bottom > span { grid-column: 9 / -1; font: .75rem/1.6 var(--font-mono); color: var(--muted-foreground); }
.about-section { padding-block: clamp(4rem,7vw,7rem); }
.about-light { background: var(--surface); color: var(--gs-ink); --border: color-mix(in srgb,var(--gs-ink) 22%,transparent); --muted-foreground: color-mix(in srgb,var(--gs-ink) 80%,var(--gs-white)); }
.about-light .label-line { background: var(--gs-ink); }
.about-editorial { display: grid; grid-template-columns: repeat(12,minmax(0,1fr)); gap: 2rem 1.5rem; margin-top: 2rem; }
.about-editorial h2 { grid-column: 1 / 8; font-size: clamp(2rem,3.7vw,3.5rem); line-height: 1.12; max-width: 23ch; }
.about-prose { grid-column: 9 / -1; font-size: 1.0625rem; line-height: 1.7; color: var(--muted-foreground); }
.about-prose p + p { margin-top: 1.5rem; }
.about-ecosystem { margin-top: 4rem; border-top: 1px solid var(--border); padding-top: 1.5rem; }
.about-ecosystem ul { display: grid; grid-template-columns: repeat(5,1fr); list-style: none; padding: 0; margin: 2rem 0 0; }
.about-ecosystem li { border-left: 1px solid var(--border); padding: 1rem; font-size: clamp(1rem,1.7vw,1.5rem); }
.about-principles { list-style: none; padding: 0; margin: 4rem 0 0; }
.about-principles li { display: grid; grid-template-columns: repeat(12,minmax(0,1fr)); gap: 1.5rem; border-top: 1px solid var(--border); padding-block: 2rem; }
.about-principles .eyebrow { grid-column: 1 / 4; color: var(--accent); align-self: start; }
.about-principles h3 { grid-column: 4 / 8; font-size: 1.75rem; line-height: 1.2; }
.about-principles li > p:last-child { grid-column: 9 / -1; color: var(--muted-foreground); line-height: 1.65; }
.about-product { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,6vw,6rem); margin-top: 4rem; padding-block: 2.5rem; border-block: 1px solid var(--border); align-items: center; }
.about-product h3 { font-size: clamp(2rem,3vw,3rem); margin-block: 1rem; }
.about-product p:not(.eyebrow) { max-width: 38ch; line-height: 1.65; font-size: 1.125rem; }
.about-product .button { margin-top: 1.75rem; }
.about-product__system { background: var(--gs-ink); color: var(--foreground); padding: 2rem; }
.about-product__system > p { color: var(--accent); }
.about-product__system dl { margin: 1.5rem 0 0; }
.about-product__system dl > div { padding: 1.25rem 0; border-top: 1px solid color-mix(in srgb,var(--gs-white) 20%,transparent); }
.about-product__system dt { font-size: 1.5rem; }
.about-product__system dd { margin: .5rem 0 0; font-size: .875rem; color: var(--gs-off-white); }
.about-portfolio { max-width: 65ch; margin-top: 2rem; line-height: 1.7; color: var(--muted-foreground); }
.about-vision { background: var(--gs-black); }
.about-vision__grid { display: grid; grid-template-columns: 7fr 4fr; gap: 8%; margin-top: 3rem; align-items: end; }
.about-vision h2 { font-size: clamp(2.5rem,5.6vw,5.5rem); line-height: 1.04; }
.about-vision__aside > p { max-width: 40ch; font-size: 1rem; line-height: 1.7; color: var(--muted-foreground); margin-top: 2.5rem; }
.about-layers { position: relative; display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 2rem; height: 200px; font: .8125rem/1.6 var(--font-mono); }
.about-layers__paths { display: grid; gap: 1.75rem; position: relative; padding-right: 1.25rem; }
.about-layers__paths::after { content: ''; position: absolute; right: 0; top: .65rem; bottom: .65rem; border-right: 1px solid var(--accent); }
.about-layers__paths span { display: flex; gap: 1rem; align-items: center; }
.about-layers__paths span::after { content: ''; flex: 1; height: 1px; background: linear-gradient(90deg,var(--border),var(--accent)); margin-right: -1.25rem; }
.about-layers strong { position: relative; font-size: 1.125rem; letter-spacing: .08em; font-weight: 400; color: var(--accent); border-block: 1px solid var(--accent); padding-block: .8rem; }
.about-layers strong::before { content: ''; position: absolute; width: 2rem; left: -2rem; top: 50%; border-top: 1px solid var(--accent); }@media (max-width: 1000px) {
 .about-editorial h2 { grid-column: 1 / 8; } .about-prose { grid-column: 8 / -1; }
 .about-principles li { grid-template-columns: 1fr 1fr; } .about-principles .eyebrow { grid-column: 1 / -1; } .about-principles h3 { grid-column: 1; } .about-principles li > p:last-child { grid-column: 2; }
}
@media (max-width: 700px) {
 .about-hero h1 { font-size: clamp(2.4rem,8.8vw,3.8rem); margin-block: 2rem 2.5rem; } .about-hero h1 br { display: none; }
 .about-hero__bottom, .about-editorial, .about-product, .about-vision__grid { display: block; }
 .about-hero__bottom > span { display: block; margin-top: 2rem; } .about-prose { margin-top: 1.75rem; }
 .about-ecosystem { margin-top: 2.5rem; } .about-ecosystem ul { grid-template-columns: 1fr; margin-top: 1rem; } .about-ecosystem li { padding: .9rem 1rem; border-bottom: 1px solid var(--border); }
 .about-principles { margin-top: 2.5rem; } .about-principles li { display: block; } .about-principles h3 { margin-block: 1rem; }
 .about-product { margin-top: 2.5rem; } .about-product__system { margin-top: 2.5rem; padding: 1.5rem; }
 .about-vision__aside { margin-top: 2.5rem; } .about-layers { max-width: 22rem; }
}

.about-light :focus-visible { outline-color: var(--gs-ink); }

.about-vision__grid > h2 { grid-column: 1; }

@media (max-width: 700px) {
 .about-layers { grid-template-columns: 1fr; gap: 0; height: auto; padding-bottom: 0; }
 .about-layers__paths { margin-right: 1rem; padding-right: 1.5rem; }
 .about-layers__paths span::after { margin-right: -1.5rem; }
 .about-layers__paths::after { bottom: -.9rem; }
 .about-layers strong { justify-self: end; margin-top: 1.75rem; padding: .5rem 1rem; }
 .about-layers strong::before { width: 0; height: .9rem; left: auto; right: 1rem; top: -.9rem; border-top: 0; border-right: 1px solid var(--accent); }
}