/*
 * Academy About (/academy/about/) — section styles
 * Same grid as the rest of the site: 5 columns inside the container, 16px gap, c = (100% - 64px) / 5.
 */

/* ── Shared ─────────────────────────────────────────────────────────────── */
.ab-head {
    display:        flex;
    flex-direction: column;
    gap:            16px;
    align-items:    flex-start;
}
.ab-title {
    margin:    0;
    font-size: clamp(56px, 6.111vw, 88px);
}
.ab-name {
    margin:         0;
    font-size:      var(--fs-lead);
    font-weight:    var(--fw-medium);
    line-height:    var(--line-height);
    letter-spacing: var(--ls-tight);
}
.ab-quote {
    margin:         0;
    font-family:    var(--font-mono);
    color:          var(--color-muted);
}

.ab-dark { position: relative; }
.ab-dark > section { position: relative; z-index: 1; }

.ab-cols {
    display:               grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    column-gap:            16px;
}

/* ── Hero ───────────────────────────────────────────────────────────────── */
.ab-hero { padding: 50px 0 300px; }

.ab-hero__grid {
    display:               grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    column-gap:            16px;
    align-items:           start;
}
.ab-hero__media { display: contents; }

.ab-hero__figure { margin: 0; overflow: hidden; }
.ab-hero__figure--1 { grid-column: 2 / 4; grid-row: 1; height: 299px; }
.ab-hero__figure--2 { grid-column: 5;     grid-row: 1; height: 299px; }
.ab-hero__figure--3 { grid-column: 1;     grid-row: 1; height: 160px; align-self: end; }
.ab-hero__img { display: block; width: 100%; height: 100%; object-fit: cover; }

.ab-hero__head {
    grid-column:    3 / 6;
    grid-row:       2;
    display:        flex;
    flex-direction: column;
    gap:            16px;
    align-items:    flex-start;
    margin-top:     48px;
}
.ab-hero__title { margin: 0; font-size: clamp(72px, 7.222vw, 104px); }

.ab-hero__actions {
    grid-column: 3 / 6;
    grid-row:    3;
    display:     flex;
    gap:         16px;
    margin-top:  64px;
}
.ab-hero__actions > * { flex: 0 0 calc((100% - 32px) / 3); }
.ab-hero__actions .btn--link { justify-content: flex-start; }

.ab-hero__note {
    grid-column:    1;
    grid-row:       2;
    max-width:      83%;
    margin:         32px 0 0;
    font-family:    var(--font-mono);
    font-size:      var(--fs-small);
    line-height:    1.3;
    letter-spacing: var(--ls-base);
    color:          var(--color-muted);
}
.ab-hero__text {
    grid-column: 1;
    grid-row:    2 / span 2;
    align-self:  end;
    margin:      0;
}

/* ── Mandate ────────────────────────────────────────────────────────────── */
.ab-mandate { padding: 0 0 300px; }

.ab-mandate__grid {
    display:               grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    column-gap:            16px;
    row-gap:               72px;
    align-items:           start;
}
.ab-mandate__grid > .ab-head { grid-column: 1 / 4; grid-row: 1; }
.ab-mandate__note {
    grid-column:    5;
    grid-row:       2;
    margin:         0;
    font-family:    var(--font-mono);
    font-size:      var(--fs-small);
    line-height:    1.3;
    letter-spacing: var(--ls-base);
    color:          var(--color-muted);
}
.ab-mandate__list {
    grid-column: 1 / 4;
    grid-row:    2;
    display:     flex;
    gap:         16px;
    margin:      0;
    padding:     0;
    list-style:  none;
}
.ab-mandate__item { display: flex; flex: 0 0 calc((100% - 32px) / 3); flex-direction: column; gap: 16px; }
.ab-mandate__figure { height: 339px; margin: 0; overflow: hidden; }
.ab-mandate__img { display: block; width: 100%; height: 100%; object-fit: cover; }
.ab-mandate__text { display: flex; flex-direction: column; gap: 8px; }
.ab-mandate__text p { margin: 0; }

/* ── Philosophy (dark, photo overlaps the section above) ────────────────── */
.ab-philosophy { padding: 300px 0; }
.ab-philosophy .container { position: relative; }
.ab-philosophy .ab-head { max-width: 54%; }

.ab-philosophy__figure {
    position: absolute;
    top:      -450px; /* 150px above the dark block (the section has 300px of top padding) */
    left:     calc(var(--container-padding) + (100% - 2 * var(--container-padding) - 64px) / 5 * 3 + 48px);
    width:    calc((100% - 2 * var(--container-padding) - 64px) / 5 * 2 + 16px);
    height:   882px;
    margin:   0;
    overflow: hidden;
}
.ab-philosophy__img { display: block; width: 100%; height: 100%; object-fit: cover; }

.ab-philosophy__list {
    display:               grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    column-gap:            16px;
    row-gap:               56px;
    align-items:           start;
    margin:                72px 0 0;
    padding:               0;
    list-style:            none;
}
.ab-philosophy__item { display: flex; flex-direction: column; }
.ab-philosophy__item p { max-width: 91%; margin: 8px 0 0; }
.ab-philosophy__num { margin-bottom: 56px; font-family: var(--font-mono); color: var(--color-muted); }
.ab-philosophy__item--1 { grid-column: 1; grid-row: 1; }
.ab-philosophy__item--2 { grid-column: 2; grid-row: 1; }
.ab-philosophy__item--3 { grid-column: 3; grid-row: 1; }
.ab-philosophy__item--4 { grid-column: 2; grid-row: 2; }
.ab-philosophy__item--5 { grid-column: 3; grid-row: 2; }
.ab-philosophy__item--6 { grid-column: 5; grid-row: 2; }

/* ── Practice tabs (hover on desktop, strip on mobile) ──────────────────── */
.ab-practice { padding: 0 0 300px; }

.ab-practice__top { display: flex; align-items: flex-start; gap: 16px; }
.ab-practice__top .ab-head { flex: 0 0 54%; }
.ab-practice__btn { flex: 0 0 calc((100% - 64px) / 5); align-self: flex-end; margin: 0 0 8px auto; }

.ab-practice__strip { display: none; }

.ab-practice__tabs { display: flex; align-items: flex-start; gap: 16px; margin-top: 72px; }
.ab-tab {
    display:        flex;
    flex:           0 0 calc((100% - 64px) / 5);
    flex-direction: column;
    gap:            16px;
    min-width:      0;
    transition:     flex-basis .4s ease;
}
.ab-tab.is-active { flex-basis: calc((100% - 64px) / 5 * 2 + 16px); }

/* Desktop: the hover area reaches below the title (padding is cancelled by the negative margin, layout is unchanged) */
@media (min-width: 1024px) {
    .ab-tab { padding-bottom: 160px; margin-bottom: -160px; }
}

.ab-tab__title { order: 0; margin: 0; }
.ab-tab__title button {
    padding:        0;
    font:           inherit;
    font-size:      var(--fs-title);
    font-weight:    var(--fw-medium);
    line-height:    var(--line-height);
    letter-spacing: var(--ls-tight);
    text-align:     left;
    color:          var(--color-faint);
    background:     none;
    border:         0;
    cursor:         pointer;
    transition:     color var(--transition);
}
.ab-tab__title button:hover { color: var(--color-muted); }
.ab-tab.is-active .ab-tab__title button { color: var(--color-light); cursor: default; }

.ab-tab__body { display: contents; }
.ab-tab__body[hidden] { display: none !important; }
.ab-tab__figure { order: -1; aspect-ratio: 527 / 316; margin: 0; overflow: hidden; }
.ab-practice__img { display: block; width: 100%; height: 100%; object-fit: cover; }
.ab-tab__text { order: 1; width: calc((100% - 16px) / 2); margin: -8px 0 0; }
.ab-tab .link-arrow { order: 2; width: calc((100% - 16px) / 2); margin-top: 8px; }

/* ── Ecosystem slider (endless; the neighbours peek in on both sides) ───── */
.ab-eco {
    --pad:  48px;
    --lead: max(var(--pad), calc((100vw - var(--container-width)) / 2 + var(--pad)));
    --col:  calc((min(100vw, var(--container-width)) - 2 * var(--pad) - 64px) / 5);
    padding: 300px 0;
}

.ab-eco__top { display: flex; align-items: flex-start; gap: 16px; }
.ab-eco__top .ab-head { flex: 0 0 54%; }
.ab-eco__btn { flex: 0 0 calc((100% - 64px) / 5); align-self: flex-end; margin: 0 0 8px auto; }

.ab-eco__nav { display: flex; justify-content: flex-end; gap: 8px; margin: 36px 0 20px; }
.ab-eco__arrow {
    display:    flex;
    padding:    0;
    color:      var(--color-dark);
    background: none;
    border:     0;
    cursor:     pointer;
}
.ab-eco__arrow--prev { transform: rotate(180deg); }
.ab-eco__arrow:hover { opacity: .6; }

.ab-eco__viewport {
    overflow-x:          auto;
    scroll-snap-type:    x mandatory;
    scroll-padding-left: calc(var(--lead) + var(--col) + 16px);
    scrollbar-width:     none;
    padding-left:        calc(var(--lead) + var(--col) + 16px);
}
.ab-eco__viewport::-webkit-scrollbar { display: none; }
.ab-eco__viewport:focus-visible { outline: 1px solid var(--color-muted); outline-offset: 4px; }

.ab-eco__track {
    display:    flex;
    gap:        16px;
    width:      max-content;
    margin:     0;
    padding:    0 var(--lead) 0 0;
    list-style: none;
}
.ab-eco__card {
    display:           flex;
    flex:              0 0 calc(var(--col) * 3 + 32px);
    flex-direction:    column;
    gap:               16px;
    scroll-snap-align: start;
}
.ab-eco__figure { flex: 0 0 auto; height: 500px; margin: 0; overflow: hidden; } /* same height on every card, whatever the text length */
.ab-eco__img { display: block; width: 100%; height: 100%; object-fit: cover; }
.ab-eco__text { display: flex; flex-direction: column; gap: 8px; }
.ab-eco__text p { width: var(--col); margin: 0; }

/* ── Audience (mosaic) ──────────────────────────────────────────────────── */
.ab-audience { padding: 0 0 300px; }

.ab-audience__top { display: flex; align-items: flex-start; gap: 16px; }
.ab-audience__top .ab-head { flex: 0 0 calc((100% - 64px) / 5 * 4 + 48px); }
.ab-audience__btn { flex: 0 0 calc((100% - 64px) / 5); align-self: flex-end; margin: 0 0 8px auto; }

.ab-audience__grid {
    display:               grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    column-gap:            16px;
    row-gap:               64px;
    align-items:           start;
    margin:                72px 0 0;
    padding:               0;
    list-style:            none;
}
.ab-audience__item { display: flex; flex-direction: column; gap: 16px; }
.ab-audience__figure { height: 314px; margin: 0; overflow: hidden; }
.ab-audience__img { display: block; width: 100%; height: 100%; object-fit: cover; }
.ab-audience__text { display: flex; flex-direction: column; gap: 8px; }
.ab-audience__text p { margin: 0; }
.ab-audience__item--1 { grid-column: 2 / 4; grid-row: 1; }
.ab-audience__item--2 { grid-column: 5;     grid-row: 1; }
.ab-audience__item--3 { grid-column: 1 / 3; grid-row: 2; }
.ab-audience__item--4 { grid-column: 3;     grid-row: 2; }
.ab-audience__item--5 { grid-column: 4;     grid-row: 2; }
.ab-audience__note {
    grid-column: 4;
    grid-row:    1;
    font-family: var(--font-mono);
    color:       var(--color-muted);
}

/* ── Story + founder (dark) ─────────────────────────────────────────────── */
.ab-story { padding: 300px 0 0; }

.ab-story__grid {
    display:               grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    column-gap:            16px;
    row-gap:               136px;
    align-items:           end;
}
.ab-story__head {
    grid-column:    1 / 6;
    grid-row:       1;
    display:        flex;
    flex-direction: column;
    gap:            16px;
    align-items:    flex-start;
}
.ab-story__statement {
    margin:         0;
    font-size:      clamp(40px, 3.889vw, 56px);
    font-weight:    var(--fw-regular);
    line-height:    var(--lh-tight);
    letter-spacing: var(--ls-base);
}
.ab-story__dim { color: var(--color-muted); } /* only until js/pages/academy-about.js takes over */

/* Scroll highlight, two colours as on Home: words below the reading line stay dim, the rest are light (js/pages/academy-about.js) */
.ab-story__statement.is-reveal .reveal__word {
    color:      var(--color-on-dark-faint);
    transition: color .3s ease;
}
.ab-story__statement.is-reveal .reveal__word.is-lit { color: var(--color-light); }

.ab-story__text { grid-row: 2; margin: 0; }
.ab-story__text--1 { grid-column: 1; }
.ab-story__text--2 { grid-column: 2; }
.ab-story__figure { grid-column: 3 / 5; grid-row: 2; align-self: start; height: 320px; margin: 0; overflow: hidden; }
.ab-story__img { display: block; width: 100%; height: 100%; object-fit: cover; }
.ab-story__quote { grid-column: 5; grid-row: 2; align-self: start; max-width: 90%; }

.ab-founder { padding: 300px 0; }

.ab-founder__grid {
    position:              relative;
    display:               grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    column-gap:            16px;
    align-items:           start;
    min-height:            770px;
}
.ab-founder__head { grid-column: 1 / 6; grid-row: 1; position: relative; }
.ab-founder__head .ab-title { max-width: calc((100% - 64px) / 5 * 4 + 48px); }
.ab-founder__btn { position: absolute; right: 0; bottom: 8px; width: calc((100% - 64px) / 5); }

.ab-founder__text { grid-column: 1; grid-row: 2; display: flex; flex-direction: column; gap: 16px; margin-top: 72px; }
.ab-founder__text p { margin: 0; }
.ab-founder__quote { grid-column: 5; grid-row: 2; margin-top: 456px; }
.ab-founder__figure {
    position: absolute;
    top:      266px;
    left:     calc((100% - 64px) / 5 * 2 + 32px);
    width:    calc((100% - 64px) / 5 * 2 + 16px);
    height:   954px; /* runs 150px past the end of the dark block */
    margin:   0;
    overflow: hidden;
}
.ab-founder__img { display: block; width: 100%; height: 100%; object-fit: cover; }

/* ── Community ──────────────────────────────────────────────────────────── */
.ab-community { padding: 300px 0 0; }

.ab-community__grid {
    display:               grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    column-gap:            16px;
    row-gap:               56px;
    align-items:           start;
}
.ab-community__head { grid-column: 1 / 5; grid-row: 1; margin-bottom: 16px; }
.ab-community__figure { margin: 0; overflow: hidden; }
.ab-community__figure--1 { grid-column: 1 / 3; grid-row: 2; height: 320px; }
.ab-community__figure--2 { grid-column: 3;     grid-row: 2; height: 320px; }
.ab-community__figure--3 { grid-column: 4 / 6; grid-row: 2; height: 220px; }
.ab-community__img { display: block; width: 100%; height: 100%; object-fit: cover; }
.ab-community__text { grid-row: 3; margin: 0; align-self: end; }
.ab-community__text--1 { grid-column: 1 / 3; }
.ab-community__text--2 { grid-column: 3; }
.ab-community__btn { grid-column: 5; grid-row: 3; align-self: end; }

/* ── Tablet / mobile ────────────────────────────────────────────────────── */
@media (max-width: 1023px) {
    .ab-title { font-size: 64px; }

    .ab-hero { padding: 48px 0 80px; }
    .ab-hero__grid { display: flex; flex-direction: column; align-items: stretch; gap: 24px; }
    .ab-hero__media { display: flex; flex-wrap: wrap; gap: 8px; }
    .ab-hero__figure--1,
    .ab-hero__figure--2 { flex: 1 1 0; height: 180px; }
    .ab-hero__figure--3 { flex: 0 0 100%; height: 180px; }
    .ab-hero__title { font-size: 64px; }
    .ab-hero__actions { flex-direction: column; margin: 0; }
    .ab-hero__actions > * { flex: 0 0 auto; }
    .ab-hero__actions .btn--link { justify-content: center; }
    .ab-hero__note { max-width: none; margin: 0; }
    .ab-hero__text { margin: 0; }

    .ab-mandate { padding-bottom: 239px; } /* 104px gap + the 135px the photo of the next block runs up into this section */
    .ab-mandate__grid { display: flex; flex-direction: column; align-items: stretch; gap: 24px; }
    .ab-mandate__list { flex-direction: column; gap: 24px; }
    .ab-mandate__item { flex: 0 0 auto; }
    .ab-mandate__figure { height: 240px; }

    .ab-philosophy { padding: 239px 0 104px; }
    .ab-philosophy__figure {
        top:    calc(-135px - 239px);
        left:   var(--container-padding);
        width:  calc(100% - 2 * var(--container-padding));
        height: 270px;
    }
    .ab-philosophy .ab-head { max-width: none; }
    .ab-philosophy__list { display: flex; flex-direction: column; align-items: stretch; gap: 24px; margin-top: 24px; }
    .ab-philosophy__item p { max-width: none; }

    .ab-practice { padding-bottom: 104px; }
    .ab-practice__top { flex-direction: column; gap: 24px; }
    .ab-practice__top .ab-head { flex: 0 0 auto; }
    .ab-practice__btn { flex: 0 0 auto; align-self: stretch; margin: 0; }
    .ab-practice__strip {
        display:         flex;
        gap:             16px;
        margin:          24px calc(var(--container-padding) * -1) 0;
        padding:         0 var(--container-padding);
        overflow-x:      auto;
        list-style:      none;
        scrollbar-width: none;
    }
    .ab-practice__strip::-webkit-scrollbar { display: none; }
    .ab-practice__strip-item {
        flex:           0 0 auto;
        padding:        0;
        font:           inherit;
        font-weight:    var(--fw-medium);
        letter-spacing: -0.04em;
        white-space:    nowrap;
        color:          var(--color-faint);
        background:     none;
        border:         0;
        cursor:         pointer;
    }
    .ab-practice__strip-item.is-active { color: var(--color-light); }
    .ab-practice__tabs { margin-top: 24px; }
    .ab-tab { display: none; flex: 0 0 100%; }
    .ab-tab.is-active { display: flex; flex-basis: 100%; }
    .ab-tab__figure { aspect-ratio: auto; height: 180px; }
    .ab-tab__text,
    .ab-tab .link-arrow { width: auto; }
    .ab-tab__title button { cursor: default; }

    .ab-eco { --pad: 32px; padding: 104px 0; }
    .ab-eco__top { flex-direction: column; gap: 24px; }
    .ab-eco__top .ab-head { flex: 0 0 auto; }
    .ab-eco__btn { flex: 0 0 auto; align-self: stretch; margin: 0; }
    .ab-eco__nav { margin: 24px 0 16px; }
    .ab-eco__viewport { padding-left: var(--lead); scroll-padding-left: var(--lead); }
    .ab-eco__track { gap: 8px; }
    .ab-eco__card { flex-basis: calc(100vw - 2 * var(--pad)); height: auto; }
    .ab-eco__figure { flex: 0 0 auto; height: 180px; }
    .ab-eco__text p { width: auto; }

    .ab-audience { padding-bottom: 104px; }
    .ab-audience__top { flex-direction: column; gap: 24px; }
    .ab-audience__top .ab-head { flex: 0 0 auto; }
    .ab-audience__btn { flex: 0 0 auto; align-self: stretch; margin: 0; }
    .ab-audience__grid { display: flex; flex-direction: column; align-items: stretch; gap: 24px; margin-top: 24px; }
    .ab-audience__figure { height: 180px; }

    .ab-story { padding: 104px 0 0; }
    .ab-story__grid { display: flex; flex-direction: column; align-items: stretch; gap: 16px; }
    .ab-story__head { margin-bottom: 8px; }
    .ab-story__statement { font-size: 32px; }
    .ab-story__figure { height: 180px; }
    .ab-story__quote { max-width: none; }

    .ab-founder { padding: 104px 0 0; }
    .ab-founder__grid { display: flex; flex-direction: column; align-items: stretch; gap: 16px; min-height: 0; }
    .ab-founder__head { gap: 16px; display: flex; flex-direction: column; margin-bottom: 8px; }
    .ab-founder__head .ab-title { max-width: none; }
    .ab-founder__btn { position: static; width: auto; }
    .ab-founder__text { margin: 0; }
    .ab-founder__quote { margin: 0; }
    .ab-founder__figure { position: static; width: auto; height: 218px; margin: 8px 0 -117px; }

    .ab-community { padding-top: 221px; }
    .ab-community__grid { display: flex; flex-wrap: wrap; gap: 8px; }
    .ab-community__head { flex: 0 0 100%; margin-bottom: 16px; }
    .ab-community__figure--1,
    .ab-community__figure--2 { flex: 1 1 0; height: 320px; }
    .ab-community__figure--3 { flex: 0 0 100%; height: 220px; }
    .ab-community__text { flex: 0 0 100%; margin-top: 16px; }
    .ab-community__text--2 { margin-top: 8px; }
    .ab-community__btn { flex: 0 0 100%; margin-top: 16px; }
}

@media (max-width: 767px) {
    .ab-title { font-size: 48px; }
    .ab-eco { --pad: 24px; }
}