.about-page .page-shell { width: 100%; max-width: none; padding-block-start: 0; }
.about-hero, .about-chapter, .about-final-cta { width: min(1400px, calc(100% - 2.5rem)); margin-inline: auto; }

.about-hero {
    position: relative;
    min-height: min(820px, calc(100vh - 78px));
    display: grid;
    place-items: center;
    overflow: hidden;
    padding: clamp(4rem, 10vw, 9rem) clamp(1.5rem, 7vw, 7rem);
    background:
        radial-gradient(circle at 50% 40%, rgb(255 253 249 / 88%), transparent 35%),
        linear-gradient(135deg, var(--paper-warm), var(--stone-light));
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    isolation: isolate;
}
.about-hero-copy { position: relative; z-index: 3; max-width: 1100px; text-align: center; }
.about-hero-copy h1 { max-width: min(17ch, 100%); margin-inline: auto; color: var(--stone-deep); font-size: clamp(3rem, 7vw, 6.8rem); }
.about-hero-copy > p:last-of-type { max-width: 70ch; margin: 1.2rem auto 0; color: var(--ink-soft); font-size: clamp(1.05rem, 1.7vw, 1.3rem); }
.about-hero-copy .button-row { justify-content: center; }
.about-hero-art { position: absolute; z-index: 1; inset: 0; overflow: hidden; pointer-events: none; }
.about-hero-art img { position: absolute; inset-inline-start: 50%; inset-block-end: -25%; width: min(920px, 74vw); opacity: .1; transform: translateX(-50%); }
html[dir="rtl"] .about-hero-art img { transform: translateX(50%); }
.about-hero-art span { position: absolute; border: 1px solid rgb(137 41 27 / 13%); border-radius: 50%; }
.about-hero-art span:nth-child(1) { width: 32vw; min-width: 330px; aspect-ratio: 1; inset: -16% auto auto -8%; }
.about-hero-art span:nth-child(2) { width: 46vw; min-width: 480px; aspect-ratio: 1; inset: auto -14% -34% auto; }
.about-hero-art span:nth-child(3) { width: 18vw; min-width: 210px; aspect-ratio: 1; inset: 18% 12% auto auto; background: rgb(255 253 249 / 22%); }

.about-marquee { width: 100%; overflow: hidden; padding-block: 1.15rem; color: white; background: var(--ink); }
.about-marquee-track { width: max-content; display: flex; align-items: center; gap: 1.4rem; animation: about-marquee 32s linear infinite; }
.about-marquee-track span { font-size: clamp(.92rem, 1.4vw, 1.12rem); font-weight: 700; white-space: nowrap; }
.about-marquee-track i { width: .38rem; aspect-ratio: 1; flex: 0 0 auto; background: var(--stone); border-radius: 50%; }
@keyframes about-marquee { to { transform: translateX(-50%); } }

.about-chapter { padding-block: clamp(7rem, 15vw, 13rem); }
.about-purpose { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr); align-items: center; gap: clamp(3rem, 10vw, 9rem); }
.about-purpose-copy h2 { max-width: 15ch; }
.about-purpose-copy p:not(.eyebrow) { max-width: 62ch; color: var(--muted); font-size: 1.08rem; }
.about-purpose-art { position: relative; min-height: 540px; display: grid; place-items: center; overflow: hidden; background: var(--stone-light); border-radius: var(--radius-lg); }
.about-purpose-art > img { position: relative; z-index: 2; width: min(390px, 72%); }
.about-photo-stack { position: absolute; inset: 0; }
.about-photo-stack span { position: absolute; width: 32%; aspect-ratio: .78; padding: .55rem; background: var(--surface); box-shadow: var(--shadow-lg); }
.about-photo-stack span::after { content: ""; display: block; width: 100%; height: 80%; background: linear-gradient(145deg, var(--stone), var(--oxblood)); opacity: .55; }
.about-photo-stack span:nth-child(1) { inset: 7% auto auto 7%; transform: rotate(-8deg); }
.about-photo-stack span:nth-child(2) { inset: auto 4% 7% auto; transform: rotate(10deg); }
.about-photo-stack span:nth-child(3) { inset: 12% 4% auto auto; transform: rotate(6deg); }

.about-section-heading { max-width: 860px; margin-block-end: clamp(3rem, 7vw, 5rem); }
.about-section-heading p { max-width: 66ch; color: var(--muted); font-size: 1.08rem; }
.about-use-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-flow: dense; gap: 0; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-lg); }
.about-use-card { min-height: 330px; display: flex; flex-direction: column; justify-content: flex-end; padding: clamp(2rem, 4vw, 4rem); transition: background .4s ease, transform .5s cubic-bezier(.22, 1, .36, 1); }
.about-use-card > span { margin-block-end: auto; color: var(--stone-deep); font-size: .8rem; font-weight: 800; letter-spacing: .12em; }
.about-use-card h3 { font-size: clamp(1.7rem, 3.2vw, 3rem); }
.about-use-card p { max-width: 48ch; margin: 0; color: var(--muted); }
.about-use-card:nth-child(1), .about-use-card:nth-child(4) { background: var(--paper-warm); }
.about-use-card:nth-child(2) { color: white; background: var(--oxblood); }
.about-use-card:nth-child(2) > span, .about-use-card:nth-child(2) p { color: rgb(255 255 255 / 76%); }
.about-use-card:nth-child(3) { color: white; background: var(--ink); }
.about-use-card:nth-child(3) > span, .about-use-card:nth-child(3) p { color: rgb(255 255 255 / 72%); }
.about-use-card:hover { transform: scale(.985); }

.about-how { display: grid; grid-template-columns: minmax(250px, .68fr) minmax(0, 1.32fr); gap: clamp(3rem, 10vw, 9rem); }
.about-how > .about-section-heading { position: sticky; inset-block-start: 8rem; align-self: start; }
.about-how-stack { display: grid; align-content: start; padding-block-end: 10vh; }
.about-how-card { position: sticky; inset-block-start: 7rem; min-height: 300px; display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: end; gap: clamp(1.5rem, 4vw, 3.5rem); padding: clamp(2rem, 5vw, 4.5rem); border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-lg); }
.about-how-card + .about-how-card { margin-block-start: 24vh; }
.about-how-card:nth-child(2) { inset-block-start: 8rem; background: var(--paper-warm); }
.about-how-card:nth-child(3) { inset-block-start: 9rem; color: white; background: var(--ink); }
.about-how-card:nth-child(4) { inset-block-start: 10rem; color: white; background: var(--oxblood); }
.about-how-card strong { align-self: start; color: var(--stone-deep); font-size: .82rem; letter-spacing: .12em; }
.about-how-card:nth-child(n+3) strong, .about-how-card:nth-child(n+3) p { color: rgb(255 255 255 / 74%); }
.about-how-card h3 { font-size: clamp(1.8rem, 3.6vw, 3.2rem); }
.about-how-card p { max-width: 48ch; margin: 0; color: var(--muted); }

.about-safety { width: min(1500px, calc(100% - 2.5rem)); padding-inline: clamp(1.5rem, 6vw, 6rem); color: white; background: var(--ink); border-radius: var(--radius-lg); }
.light-heading h2 { color: white; }
.light-heading p { color: rgb(255 255 255 / 68%); }
.about-safety-accordion { min-height: 460px; display: flex; grid-auto-flow: dense; overflow: hidden; border: 1px solid rgb(255 255 255 / 13%); border-radius: var(--radius-lg); }
.about-safety-accordion article { min-width: 0; flex: 1 1 0; display: flex; flex-direction: column; justify-content: space-between; gap: 3rem; padding: clamp(1.6rem, 3vw, 3rem); background: rgb(255 255 255 / 4%); border-inline-end: 1px solid rgb(255 255 255 / 11%); transition: flex .65s cubic-bezier(.22, 1, .36, 1), background .35s ease; }
.about-safety-accordion article:last-child { border-inline-end: 0; }
.about-safety-accordion article:hover, .about-safety-accordion article:focus-within { flex-grow: 1.5; background: var(--oxblood); }
.about-safety-accordion span { color: var(--stone); font-size: .8rem; font-weight: 800; letter-spacing: .12em; }
.about-safety-accordion p { max-width: 42ch; margin: 0; color: rgb(255 255 255 / 68%); }
.about-honesty { max-width: 900px; margin: clamp(3rem, 7vw, 6rem) auto 0; padding: clamp(1.5rem, 4vw, 3rem); border-inline-start: 3px solid var(--stone); background: rgb(255 255 255 / 5%); }
.about-honesty h3 { color: white; }
.about-honesty p { margin: 0; color: rgb(255 255 255 / 70%); }

.about-example-carousel { display: grid; grid-auto-flow: column; grid-auto-columns: min(82%, 920px); gap: 1rem; overflow-x: auto; padding-block-end: 1rem; scroll-snap-type: x mandatory; scrollbar-width: thin; }
.about-example-carousel article { min-height: 410px; display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden; padding: clamp(2rem, 6vw, 5rem); scroll-snap-align: center; border-radius: var(--radius-lg); background: var(--stone-light); }
.about-example-carousel article:nth-child(2) { color: white; background: var(--oxblood); }
.about-example-carousel article:nth-child(3) { color: white; background: var(--ink); }
.about-example-carousel h3 { max-width: 16ch; font-size: clamp(2rem, 4.5vw, 4.4rem); }
.about-example-carousel p { max-width: 56ch; margin: 0; color: var(--muted); font-size: 1.06rem; }
.about-example-carousel article:nth-child(n+2) p { color: rgb(255 255 255 / 72%); }
.about-example-nav { display: flex; justify-content: center; gap: .7rem; margin-block-start: 1.2rem; }
.about-example-nav a { width: .7rem; aspect-ratio: 1; background: var(--stone); border-radius: 50%; transition: transform .2s ease, background .2s ease; }
.about-example-nav a:hover { background: var(--oxblood); transform: scale(1.3); }

.about-faq { display: grid; grid-template-columns: minmax(250px, .7fr) minmax(0, 1.3fr); gap: clamp(3rem, 10vw, 9rem); }
.about-faq-list { border-top: 1px solid var(--line); }
.about-faq details { border-bottom: 1px solid var(--line); }
.about-faq summary { position: relative; padding: 1.6rem 3rem 1.6rem 0; font-size: clamp(1.1rem, 2vw, 1.35rem); font-weight: 800; cursor: pointer; list-style: none; }
html[dir="rtl"] .about-faq summary { padding: 1.6rem 0 1.6rem 3rem; }
.about-faq summary::-webkit-details-marker { display: none; }
.about-faq summary::after { content: "+"; position: absolute; inset-inline-end: .3rem; font-size: 1.7rem; font-weight: 500; transition: transform .25s ease; }
.about-faq details[open] summary::after { transform: rotate(45deg); }
.about-faq details p { max-width: 66ch; padding-block-end: 1.6rem; color: var(--muted); }

.about-final-cta { position: relative; min-height: 600px; display: grid; place-items: center; overflow: hidden; padding: clamp(3rem, 9vw, 8rem); color: white; background: var(--oxblood); border-radius: var(--radius-lg); isolation: isolate; }
.about-final-cta > img { position: absolute; z-index: -1; width: min(1100px, 92%); opacity: .12; filter: brightness(0) invert(1); }
.about-final-cta > div { max-width: 950px; text-align: center; }
.about-final-cta h2 { color: white; font-size: clamp(2.7rem, 6.5vw, 6rem); }
.about-final-cta p { max-width: 60ch; margin: 1.2rem auto 2rem; color: rgb(255 255 255 / 76%); font-size: 1.1rem; }
.about-final-cta .button-row { justify-content: center; }
.about-contact-button { color: white !important; }

@media (max-width: 980px) {
    .about-purpose, .about-how, .about-faq { grid-template-columns: 1fr; }
    .about-purpose-art { min-height: 460px; }
    .about-how > .about-section-heading { position: static; }
    .about-safety-accordion { min-height: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .about-safety-accordion article { min-height: 300px; border-bottom: 1px solid rgb(255 255 255 / 11%); }
}

@media (max-width: 760px) {
    .about-hero, .about-chapter, .about-safety, .about-final-cta { width: min(100% - 1.25rem, 1240px); }
    .about-hero { min-height: 690px; padding-inline: 1.25rem; border-radius: 0 0 28px 28px; }
    .about-hero-copy h1 { max-width: 15ch; font-size: clamp(2.7rem, 12vw, 4.8rem); }
    .about-hero-art img { width: 120%; max-width: none; inset-block-end: -7%; }
    .about-chapter { padding-block: 7rem; }
    .about-purpose-art, .about-use-grid, .about-safety, .about-example-carousel article, .about-final-cta { border-radius: 28px; }
    .about-use-grid, .about-safety-accordion { grid-template-columns: 1fr; }
    .about-use-card { min-height: 300px; }
    .about-how-card { position: relative; inset: auto !important; min-height: 270px; padding: 1.5rem; }
    .about-how-card + .about-how-card { margin-block-start: 1rem; }
    .about-safety { padding-inline: 1.25rem; }
    .about-safety-accordion article { min-height: 270px; border-inline-end: 0; }
    .about-example-carousel { grid-auto-columns: 92%; }
    .about-example-carousel article { min-height: 360px; }
    .about-final-cta { min-height: 520px; padding-inline: 1.25rem; }
}

@media (max-width: 480px) {
    .about-hero { min-height: 620px; }
    .about-purpose-art { min-height: 360px; }
    .about-hero-copy .button, .about-final-cta .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    .about-marquee-track { width: 100%; flex-wrap: wrap; justify-content: center; animation: none; transform: none !important; }
}