body.is-about {
    color: var(--text);
    overflow-x: clip;
}
body.is-about h2,
body.is-about h3 {
    letter-spacing: -0.02em;
    color: #17343a;
}

.about-nav {
    position: sticky;
    top: var(--site-header-height, 108px);
    z-index: 20;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(23, 52, 58, 0.08);
}
.about-nav ul {
    display: flex;
    gap: 0.35rem;
    list-style: none;
    margin: 0px;
    padding: 0.55rem 0;
    overflow-x: auto;
    justify-content: center;
}
.about-nav a {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    color: #17343a;
    font-size: 0.86rem;
    font-weight: 600;
    text-decoration: none;
}
.about-nav a:hover {
    background: #e7f3f2;
    color: #006373;
}
.about-nav a[aria-current="page"] {
    background: #006373;
    color: #fff;
}

.about-wrap {
    padding: 50px 0;
}
.about-kicker {
    margin: 0 0 0.55rem;
    color: var(--accent-ink, #6b4300);
    font-size: var(--type-kicker);
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}
.about-display {
    margin: 0 0 0.9rem;
    font-size: var(--type-h2);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: #17343a;
}
.about-display.light {
    color: #fff;
}

body.about-motion [data-rise] {
    transition:
        opacity 0.7s ease,
        transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
body.about-motion [data-rise]:not(.is-in) {
    opacity: 0;
    transform: translateY(26px);
}
body.about-motion [data-rise].is-in {
    opacity: 1;
    transform: none;
}
[data-rise="2"] {
    transition-delay: 0.08s;
}
[data-rise="3"] {
    transition-delay: 0.16s;
}
[data-rise="4"] {
    transition-delay: 0.24s;
}

.intro-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(1.4rem, 4vw, 3.4rem);
    align-items: center;
}
.collage {
    position: relative;
    min-height: 460px;
}
.collage-main,
.collage-float {
    overflow: hidden;
    border-radius: 28px;
}
.collage-main img,
.collage-float img,
.chapter figure img,
.profile-photo img,
.portrait-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.7s ease;
}
.collage-main:hover img,
.collage-float:hover img,
.chapter:hover img,
.profile-card:hover img {
    transform: scale(1.05);
}
.collage-main {
    height: 460px;
    box-shadow: 0 24px 50px rgba(23, 52, 58, 0.14);
}
.collage-float {
    position: absolute;
    width: 46%;
    height: 190px;
    right: -6%;
    bottom: -28px;
    border: 6px solid #f4f7f6;
    box-shadow: 0 16px 30px rgba(23, 52, 58, 0.16);
}
.collage-chip {
    position: absolute;
    left: 18px;
    top: 18px;
    padding: 0.45rem 0.75rem;
    border-radius: 999px;
    background: #faa61c;
    color: #17343a;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}
.intro-copy p {
    color: #3e4c50;
    font-size: 1.02rem;
    line-height: 1.7;
}

.vision-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: clamp(3rem, 6vw, 4.5rem);
}
.vision-card {
    border-radius: 28px;
    padding: clamp(1.4rem, 3vw, 2.2rem);
    min-height: 280px;
}
.vision-card h2 {
    margin: 0 0 0.7rem;
    font-size: var(--type-h2);
}
.vision-card p {
    margin: 0 0 0.85rem;
    line-height: 1.7;
}
.vision-card p:last-child {
    margin-bottom: 0;
}
.vision-card.is-dark .about-kicker { color: #fff3d6; }
.vision-card.is-dark {
    background:
        radial-gradient(
            80% 80% at 100% 0%,
            rgba(250, 166, 28, 0.28),
            transparent 46%
        ),
        #006373;
    color: #fff;
}
.vision-card.is-dark h2 {
    color: #fff;
}
.vision-card.is-cream {
    background: #fff;
    border: 1px solid rgba(23, 52, 58, 0.08);
    box-shadow: 0 16px 40px rgba(23, 52, 58, 0.05);
}

.pillar-head {
    /* margin: clamp(3rem, 6vw, 4.5rem) 0 1.1rem; */
    max-width: 36rem;
}
.pillar-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.8rem;
}
.pillar-tile {
    background: #fff;
    border-radius: 22px;
    padding: 1.2rem 1.15rem 1.3rem;
    border: 1px solid rgba(23, 52, 58, 0.08);
    min-height: 180px;
    transition:
        transform 0.35s ease,
        box-shadow 0.35s ease;
}
.pillar-tile:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 36px rgba(23, 52, 58, 0.1);
}
.pillar-tile span {
    display: block;
    color: #faa61c;
    font-weight: 800;
    letter-spacing: 0.08em;
    margin-bottom: 1.4rem;
}
.pillar-tile h3 {
    margin: 0 0 0.4rem;
    font-size: 1.15rem;
}
.pillar-tile p {
    margin: 0;
    color: #4b5a5e;
    font-size: 0.95rem;
}

.about-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.8rem;
    margin-top: 1.2rem;
}
.about-link {
    position: relative;
    display: block;
    min-height: 220px;
    border-radius: 22px;
    overflow: hidden;
    color: #fff;
    text-decoration: none;
}
.about-link img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
    transition: transform 0.6s ease;
}
.about-link:hover img {
    transform: scale(1.06);
}
.about-link span {
    position: absolute;
    inset: auto 0 0 0;
    padding: 2.4rem 1rem 1rem;
    background: linear-gradient(transparent, rgba(23, 52, 58, 0.88));
    font-weight: 700;
}
.about-link em {
    display: block;
    font-style: normal;
    font-weight: 500;
    font-size: 0.82rem;
    opacity: 0.85;
}

.portrait {
    display: grid;
    grid-template-columns: minmax(240px, 0.78fr) 1.22fr;
    gap: clamp(1.2rem, 3vw, 2.6rem);
    align-items: start;
}
.portrait-photo {
    position: relative;
    margin: 0 14px 14px 0;
}
.portrait-photo img {
    position: relative;
    z-index: 1;
    border-radius: 28px;
    aspect-ratio: 4 / 5;
    box-shadow: 0 22px 46px rgba(23, 52, 58, 0.14);
}
.portrait-photo::after {
    content: "";
    position: absolute;
    right: -14px;
    bottom: -14px;
    width: 42%;
    height: 42%;
    border-radius: 24px;
    background: #faa61c;
    z-index: 0;
}
.portrait-name {
    margin: 0.2rem 0 0.15rem;
    font-size: var(--type-h2);
}
.portrait-role {
    margin: 0 0 1rem;
    color: #006373;
    font-weight: 700;
}
.letter p {
    color: #000000;
    line-height: 1.75;
}
.pull {
    margin: 0 0 1.2rem;
    padding: 1.2rem 1.25rem 1.2rem 1.15rem;
    border-radius: 0 22px 22px 0;
    background: #fff;
    border-left: 5px solid #faa61c;
    box-shadow: 0 12px 30px rgba(23, 52, 58, 0.05);
    font-size: 1.12rem;
    line-height: 1.55;
    color: #17343a;
    box-shadow: rgb(212, 216, 228) 0px 11px 21px;
}

.voice-head {
    margin: 3rem 0 1rem;
}
.voice-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.9rem;
}
.voice {
    background: #fff;
    border-radius: 22px;
    padding: 1.25rem 1.25rem 1.15rem;
    border: 1px solid rgba(23, 52, 58, 0.08);
    transition:
        transform 0.35s ease,
        box-shadow 0.35s ease;
}
.voice:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 32px rgba(23, 52, 58, 0.08);
}
.voice q {
    display: block;
    quotes: none;
    color: #30383b;
    line-height: 1.65;
    margin-bottom: 0.9rem;
}
.voice q::before {
    content: "“";
    display: block;
    color: #faa61c;
    font-size: 2.4rem;
    line-height: 0.8;
    font-weight: 800;
    margin-bottom: 0.35rem;
}
.voice strong {
    display: block;
    color: #17343a;
}
.voice span {
    color: #6b7280;
    font-size: 0.88rem;
}

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin: 0 0 1.1rem;
    padding: 0;
    list-style: none;
}
.chips li {
    padding: 0.35rem 0.7rem;
    border-radius: 999px;
    background: #e7f3f2;
    color: #006373;
    font-size: 0.82rem;
    font-weight: 700;
}
.belief {
    margin-top: 1.2rem;
    padding: 1.15rem 1.25rem;
    border-radius: 20px;
    background: #17343a;
    color: #fff;
}
.belief p {
    margin: 0;
    color: #fff;
}

.profile-stack {
    display: grid;
    gap: 1.2rem;
}
.profile-card {
    display: grid;
    grid-template-columns: minmax(220px, 0.72fr) 1.28fr;
    gap: 1.4rem;
    align-items: center;
    background: #fff;
    border-radius: 28px;
    overflow: hidden;
    border: 1px solid rgba(23, 52, 58, 0.08);
}
.profile-card:nth-child(even) {
    background: #17343a;
}
.profile-card:nth-child(even) h2,
.profile-card:nth-child(even) .about-kicker {
    color: #fff;
}
.profile-card:nth-child(even) .about-kicker {
    color: #faa61c;
}
.profile-card:nth-child(even) p {
    color: rgba(255, 255, 255, 0.86);
}
.profile-card:nth-child(even) .profile-photo,
.profile-card:nth-child(even) .profile-mark {
    order: 2;
}
.about-link.is-mark {
    background:
        radial-gradient(
            80% 80% at 100% 0%,
            rgba(250, 166, 28, 0.45),
            transparent 50%
        ),
        #006373;
    min-height: 220px;
}
.about-link.is-mark span {
    position: absolute;
}
.portrait-mark,
.profile-mark {
    display: grid;
    place-items: center;
    margin: 0;
    border-radius: 28px;
    background:
        radial-gradient(
            70% 70% at 20% 0%,
            rgba(250, 166, 28, 0.55),
            transparent 55%
        ),
        #006373;
    color: #fff;
    min-height: 420px;
}
.portrait-mark span,
.profile-mark span {
    font-size: clamp(3.4rem, 6vw, 5rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
}
.portrait-mark p {
    margin: 0.6rem 0 0;
    color: rgba(255, 255, 255, 0.86);
    font-weight: 600;
}
.profile-card:nth-child(even) .profile-mark {
    background: #0f2c31;
}
.profile-copy {
    padding: 1.4rem 1.5rem 1.5rem 0.2rem;
}
.profile-card:nth-child(even) .profile-copy {
    padding: 1.4rem 0.2rem 1.5rem 1.5rem;
}
.profile-copy h2 {
    margin: 0 0 0.7rem;
    font-size: var(--type-h2);
}
.profile-copy p {
    line-height: 1.7;
}

.chapter-list {
    display: grid;
    gap: 1.1rem;
}
.chapter {
    display: grid;
    grid-template-columns: auto minmax(240px, 0.9fr) 1.1fr;
    gap: 1.2rem;
    align-items: center;
    background: #fff;
    border-radius: 28px;
    overflow: hidden;
    border: 1px solid rgba(23, 52, 58, 0.08);
    scroll-margin-top: calc(var(--site-header-height, 108px) + 4.5rem);
}
.chapter-no {
    margin: 0;
    padding-left: 1.2rem;
    font-size: clamp(1.6rem, 2.6vw, 2.15rem);
    font-weight: 800;
    color: #faa61c;
    letter-spacing: -0.04em;
}
.chapter figure {
    margin: 0;
    height: 250px;
}
.chapter > div {
    padding: 1.2rem 1.4rem 1.3rem 0;
}
.chapter:nth-child(even) {
    background: #eef6f5;
}
.chapter h2 {
    margin: 0 0 0.45rem;
    font-size: var(--type-h2);
}
.chapter p {
    margin: 0;
    color: #3e4c50;
    line-height: 1.7;
}
.chapter p + p {
    margin-top: 0.75rem;
}
.school-intro {
    max-width: 46rem;
}
.school-intro p {
    margin: 0 0 0.85rem;
    color: #3e4c50;
    font-size: 1.05rem;
    line-height: 1.75;
}
.school-intro p:last-child {
    margin-bottom: 0;
}
.school-intro + .about-jumps {
    margin-top: 1.4rem;
}
.about-jumps + .chapter-list {
    margin-top: clamp(1.6rem, 3vw, 2.2rem);
}

.about-lead {
    margin: 0 0 1rem;
    color: #17343a;
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.35;
    letter-spacing: -0.02em;
}
.about-jumps {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: clamp(2rem, 4vw, 2.8rem);
}
.about-jumps a {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    background: #fff;
    border: 1px solid rgba(23, 52, 58, 0.1);
    color: #17343a;
    font-size: 0.86rem;
    font-weight: 600;
    text-decoration: none;
}
.about-jumps a:hover,
.about-jumps a:focus-visible {
    background: #e7f3f2;
    color: #006373;
}
.about-jumps a.is-active,
.about-jumps a.is-active:hover,
.about-jumps a.is-active:focus-visible {
    background: #006373;
    border-color: #006373;
    color: #fff;
}
.about-jumps a:focus-visible {
    outline: 2px solid #006373;
    outline-offset: 2px;
}
.journey-close + .about-links {
    margin-top: clamp(2rem, 4vw, 3rem);
}
@media (max-width: 1199px) and (min-width: 992px) {
    .pillar-row {
        grid-template-columns: 1fr 1fr;
    }
}
.about-block,
.story-grid,
.journey-close {
    margin-top: clamp(2.6rem, 5vw, 4rem);
}
.story-grid {
    display: grid;
    gap: 1.1rem;
}
.story-panel {
    display: grid;
    grid-template-columns: minmax(240px, 0.86fr) 1.14fr;
    gap: clamp(1rem, 3vw, 2rem);
    align-items: center;
    background: #fff;
    border: 1px solid rgba(23, 52, 58, 0.08);
    border-radius: 28px;
    overflow: hidden;
    scroll-margin-top: calc(var(--site-header-height, 108px) + 4.5rem);
}
.story-panel.is-flip {
    background: #eef6f5;
}
.story-panel.is-flip figure {
    order: 2;
}
.story-panel figure {
    margin: 0;
    height: 100%;
    min-height: 280px;
}
.story-panel img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.story-panel > div {
    padding: clamp(1.2rem, 2.5vw, 2rem) clamp(1.1rem, 2.5vw, 2rem) clamp(1.2rem, 2.5vw, 2rem) 0;
}
.story-panel.is-flip > div {
    padding-left: clamp(1.1rem, 2.5vw, 2rem);
    padding-right: 0;
}
.story-panel p {
    color: #3e4c50;
    line-height: 1.7;
}
.vision-card,
.pillar-tile,
.journey-close {
    scroll-margin-top: calc(var(--site-header-height, 108px) + 4.5rem);
}
.journey-close {
    border-radius: 28px;
    padding: clamp(1.6rem, 4vw, 2.6rem);
    background:
        radial-gradient(80% 90% at 100% 0%, rgba(250, 166, 28, 0.32), transparent 48%),
        #006373;
    color: #fff;
}
.journey-close .about-kicker {
    color: #fff3d6;
}
.journey-close p {
    max-width: 44rem;
    margin: 0 0 0.75rem;
    line-height: 1.7;
    font-size: 1.05rem;
}
.journey-close p:last-child {
    margin-bottom: 0;
}

@media (max-width: 991px) {
    .about-nav {
        top: 64px;
    }
    .intro-grid,
    .vision-grid,
    .pillar-row,
    .about-links,
    .portrait,
    .voice-grid,
    .profile-card,
    .chapter,
    .story-panel,
    .story-panel.is-flip {
        grid-template-columns: 1fr;
    }
    .story-panel.is-flip figure {
        order: 0;
    }
    .story-panel > div,
    .story-panel.is-flip > div {
        padding: 0.3rem 1.15rem 1.3rem;
    }
    .story-panel figure {
        min-height: 220px;
        height: 220px;
    }
    .founder-layout {
        grid-template-columns: 1fr;
    }
    .founder-portrait {
        position: static;
        max-width: 420px;
    }
    .collage {
        min-height: 0;
        margin-bottom: 1.6rem;
    }
    .collage-main {
        height: 300px;
    }
    .collage-float {
        position: relative;
        width: 70%;
        height: 150px;
        right: auto;
        bottom: auto;
        margin-top: -48px;
        margin-left: auto;
    }
    .profile-card:nth-child(even) .profile-photo,
    .profile-card:nth-child(even) .profile-mark {
        order: 0;
    }
    .portrait-mark,
    .profile-mark {
        min-height: 220px;
    }
    .profile-copy,
    .profile-card:nth-child(even) .profile-copy,
    .chapter > div {
        padding: 0.2rem 1.15rem 1.25rem;
    }
    .chapter-no {
        padding: 1rem 1.15rem 0;
    }
    .profile-photo {
        min-height: 280px;
    }
}
.founder-layout {
    display: grid;
    grid-template-columns: minmax(240px, 0.72fr) 1.28fr;
    gap: clamp(1.4rem, 4vw, 3rem);
    align-items: start;
}
.founder-portrait {
    position: sticky;
    top: calc(var(--site-header-height, 108px) + 4.4rem);
    margin: 0;
    padding: 1.1rem 1.1rem 1.25rem;
    border-radius: 28px;
    background: linear-gradient(180deg, #056777 0%, #056777 58%, #fff 100%);
    box-shadow: 0 18px 40px rgba(23, 52, 58, 0.1);
}
.founder-portrait img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
    background: #f5f9f9;
}
.founder-portrait figcaption {
    margin-top: 0.95rem;
    text-align: center;
}
.founder-portrait strong,
.founder-sign strong {
    display: block;
    color: #17343a;
    font-size: 1.05rem;
}
.founder-portrait span,
.founder-sign span {
    display: block;
    margin-top: 0.15rem;
    color: #006373;
    font-weight: 700;
    font-size: 0.92rem;
}
.founder-letter .about-lead {
    margin-bottom: 1.2rem;
}
.founder-chapter {
    margin-top: 1.15rem;
    padding: clamp(1.15rem, 2vw, 1.5rem);
    border-radius: 24px;
    background: #fff;
    border: 1px solid rgba(23, 52, 58, 0.08);
    scroll-margin-top: calc(var(--site-header-height, 108px) + 4.5rem);
}
.founder-chapter:nth-child(even) {
    background: #eef6f5;
}
.founder-chapter p {
    margin: 0 0 0.8rem;
    color: #3e4c50;
    line-height: 1.75;
}
.founder-chapter p:last-child {
    margin-bottom: 0;
}
.approach-grid,
.honour-grid {
    display: grid;
    gap: 0.8rem;
    margin: 0.4rem 0 0.2rem;
}
.approach-grid,
.honour-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
}
.approach-grid .pillar-tile:nth-child(-n + 3),
.honour-grid .pillar-tile:nth-child(-n + 3) {
    grid-column: span 2;
}
.approach-grid .pillar-tile:nth-child(n + 4),
.honour-grid .pillar-tile:nth-child(n + 4) {
    grid-column: span 3;
}
.pillar-tile.is-compact {
    min-height: 0;
}
.pillar-tile.is-compact span {
    margin-bottom: 0.7rem;
}
.honour-note {
    margin-top: 1rem;
}
.founder-chapter .pull {
    margin-top: 0.2rem;
}
.founder-letter > p {
    color: #3e4c50;
    line-height: 1.75;
}

.founder-sign {
    margin-top: 1.15rem;
    padding: 1.2rem 1.35rem;
    border-radius: 24px;
    background:
        radial-gradient(80% 120% at 100% 0%, rgba(250, 166, 28, 0.35), transparent 46%),
        #fff;
    border-left: 5px solid #faa61c;
    box-shadow: 0 12px 30px rgba(23, 52, 58, 0.05);
}

@media (max-width: 1199px) and (min-width: 992px) {
    .approach-grid,
    .honour-grid {
        grid-template-columns: 1fr 1fr;
    }
    .approach-grid .pillar-tile,
    .honour-grid .pillar-tile {
        grid-column: auto;
    }
}

@media (max-width: 991px) {
    .founder-layout {
        grid-template-columns: 1fr;
    }
    .founder-portrait {
        position: static;
        max-width: 420px;
    }
    .approach-grid,
    .honour-grid {
        grid-template-columns: 1fr;
    }
    .approach-grid .pillar-tile,
    .honour-grid .pillar-tile {
        grid-column: auto;
    }
}

/* ===== Our School page ===== */
.os-intro {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(1.4rem, 4vw, 3.2rem);
    align-items: center;
}
.os-intro-copy p {
    color: #3e4c50;
    font-size: 1.02rem;
    line-height: 1.75;
    max-width: 40rem;
}
.os-intro-copy .about-lead {
    font-size: 1.25rem;
    max-width: 36rem;
}
.os-facts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
    margin: 0;
    padding: 0;
    list-style: none;
}
.os-facts li {
    background: #fff;
    border: 1px solid rgba(23, 52, 58, 0.08);
    border-radius: 22px;
    padding: 1.1rem 1rem 1.15rem;
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.os-facts li:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 32px rgba(23, 52, 58, 0.09);
}
.os-facts li:nth-child(1),
.os-facts li:nth-child(4) {
    background: #eef6f5;
}
.os-facts i {
    display: inline-grid;
    place-items: center;
    width: 2.6rem;
    height: 2.6rem;
    margin-bottom: 0.8rem;
    border-radius: 14px;
    background: #006373;
    color: #fff;
    font-size: 1.2rem;
}
.os-facts strong {
    display: block;
    color: #17343a;
    font-size: 1rem;
    line-height: 1.25;
}
.os-facts span {
    display: block;
    margin-top: 0.25rem;
    color: #5d6a6e;
    font-size: 0.86rem;
    line-height: 1.4;
}

/* Sticky chapter navigation */
.os-jumps {
    position: sticky;
    top: calc(var(--os-sticky-top, 160px) + 0.5rem);
    z-index: 15;
    margin-top: clamp(2.2rem, 4vw, 3rem);
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(23, 52, 58, 0.1);
    border-radius: 999px;
    box-shadow: 0 10px 28px rgba(23, 52, 58, 0.08);
    overflow: hidden;
}
.os-jumps-track {
    display: flex;
    gap: 0.3rem;
    padding: 0.4rem;
    overflow-x: auto;
    scrollbar-width: none;
}
.os-jumps-track::-webkit-scrollbar {
    display: none;
}
.os-jumps a {
    flex: 1 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.55rem 1rem;
    border-radius: 999px;
    color: #17343a;
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.25s ease, color 0.25s ease;
}
.os-jumps a span {
    color: #faa61c;
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.06em;
}
.os-jumps a:hover {
    background: #e7f3f2;
    color: #006373;
}
.os-jumps a:focus-visible {
    outline: 2px solid #006373;
    outline-offset: -2px;
}
.os-jumps a.is-active {
    background: #006373;
    color: #fff;
}
.os-jumps a.is-active span {
    color: #ffd27a;
}
.os-progress {
    display: block;
    height: 3px;
    background: rgba(23, 52, 58, 0.06);
}
.os-progress i {
    display: block;
    height: 100%;
    background: #faa61c;
    transform: scaleX(0);
    transform-origin: left;
}

/* Chapters */
.os-chapters {
    display: grid;
    gap: clamp(2.4rem, 5vw, 4rem);
    margin-top: clamp(2rem, 4vw, 3rem);
}
.os-chapter {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(1.4rem, 4vw, 3.4rem);
    align-items: center;
    scroll-margin-top: calc(var(--os-sticky-top, 160px) + 5rem);
}
.os-chapter.is-flip .os-media {
    order: 2;
}
.os-media {
    position: relative;
    margin: 0;
    aspect-ratio: 4 / 3;
    border-radius: 28px;
    overflow: hidden;
    background: #e7f3f2;
    box-shadow: 0 24px 50px rgba(23, 52, 58, 0.14);
}
.os-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.8s ease;
}
.os-chapter:hover .os-media img {
    transform: scale(1.04);
}
.os-badge {
    position: absolute;
    left: 1rem;
    top: 1rem;
    padding: 0.4rem 0.8rem;
    border-radius: 999px;
    background: #faa61c;
    color: #17343a;
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.06em;
}
.os-chapter.is-flip .os-badge {
    left: auto;
    right: 1rem;
}
.os-body p {
    margin: 0 0 0.85rem;
    color: #3e4c50;
    line-height: 1.75;
}
.os-body .os-lead {
    padding-left: 1rem;
    border-left: 4px solid #faa61c;
    color: #17343a;
    font-size: 1.08rem;
    font-weight: 600;
    line-height: 1.55;
}
.os-chips {
    margin: 1.2rem 0 0;
}
.os-chips li {
    padding: 0.4rem 0.85rem;
    font-size: 0.84rem;
}

/* Closing call to action */
.os-cta {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.8fr);
    gap: clamp(1.2rem, 3vw, 2.4rem);
    align-items: center;
    margin-top: clamp(3rem, 6vw, 4.5rem);
    padding: clamp(1.6rem, 4vw, 2.8rem);
    border-radius: 28px;
    background:
        radial-gradient(80% 90% at 100% 0%, rgba(250, 166, 28, 0.32), transparent 48%),
        #006373;
    color: #fff;
}
.os-cta .about-kicker {
    color: #fff3d6;
}
.os-cta .about-display {
    max-width: 30rem;
}
.os-cta p {
    margin: 0;
    max-width: 36rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}
.os-cta-actions {
    display: grid;
    gap: 0.65rem;
}
.os-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.85rem 1.2rem;
    border-radius: 999px;
    border: 2px solid transparent;
    font-weight: 700;
    text-decoration: none;
    transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
}
.os-btn span {
    transition: transform 0.3s ease;
}
.os-btn:hover {
    transform: translateY(-2px);
}
.os-btn:hover span {
    transform: translateX(4px);
}
.os-btn:focus-visible {
    outline: 3px solid #fff;
    outline-offset: 3px;
}
.os-btn-primary {
    background: #faa61c;
    color: #17343a;
}
.os-btn-primary:hover {
    background: #ffb83a;
    color: #17343a;
}
.os-btn-ghost {
    border-color: rgba(255, 255, 255, 0.7);
    color: #fff;
}
.os-btn-ghost:hover {
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
}

@media (max-width: 991px) {
    .os-intro,
    .os-chapter,
    .os-cta {
        grid-template-columns: 1fr;
    }
    .os-chapter.is-flip .os-media {
        order: 0;
    }
    .os-chapter.is-flip .os-badge {
        left: 1rem;
        right: auto;
    }
    .os-media {
        aspect-ratio: 16 / 10;
        border-radius: 22px;
    }
    .os-jumps {
        border-radius: 22px;
    }
    .os-jumps a {
        padding: 0.5rem 0.85rem;
    }
}
@media (max-width: 480px) {
    .os-facts {
        grid-template-columns: 1fr;
    }
    .os-jumps a span {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .os-media img,
    .os-facts li,
    .os-btn,
    .os-btn span {
        transition: none;
    }
    .os-chapter:hover .os-media img {
        transform: none;
    }
    body.about-motion [data-rise] {
        opacity: 1;
        transform: none;
        transition: none;
    }
    .collage-main img,
    .collage-float img,
    .chapter figure img,
    .profile-photo img,
    .about-link img,
    .pillar-tile,
    .voice {
        transition: none;
    }
}