:root {
    color-scheme: light;
    --graphite-950: #090b0c;
    --graphite-900: #111416;
    --graphite-800: #1c2023;
    --graphite-700: #30363a;
    --ink: #171a1c;
    --muted: #5d656b;
    --line: #d9dddf;
    --surface: #f5f6f6;
    --white: #ffffff;
    --green: #76b900;
    --green-dark: #456f00;
    --green-pale: #eaf5d7;
    --focus: #3d7fc2;
    --shell: 80rem;
    --radius: 0.25rem;
    --shadow: 0 1.25rem 3.75rem rgba(9, 11, 12, 0.09);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

section[id] {
    scroll-margin-top: 5.5rem;
}

body {
    margin: 0;
    min-width: 20rem;
    overflow-x: hidden;
    color: var(--ink);
    background: var(--white);
    font-family: Arial, Helvetica, "Nimbus Sans L", sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    text-rendering: optimizeLegibility;
}

img,
svg {
    display: block;
    max-width: 100%;
}

a {
    color: inherit;
    text-underline-offset: 0.22em;
}

a:hover {
    text-decoration-thickness: 0.13em;
}

button,
input,
select {
    font: inherit;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

:focus-visible {
    outline: 0.2rem solid var(--focus);
    outline-offset: 0.2rem;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: fixed;
    z-index: 100;
    top: 0.75rem;
    left: 0.75rem;
    transform: translateY(-200%);
    padding: 0.65rem 0.9rem;
    color: var(--graphite-950);
    background: var(--green);
    font-weight: 700;
}

.skip-link:focus {
    transform: translateY(0);
}

.shell {
    width: min(calc(100% - 3rem), var(--shell));
    margin-inline: auto;
}

.site-header {
    position: relative;
    z-index: 50;
    color: var(--white);
    background: var(--graphite-950);
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.site-nav {
    min-height: 4.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.site-identity {
    display: flex;
    align-items: baseline;
    gap: 0.55rem;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.015em;
}

.site-parent {
    color: var(--green);
}

.site-divider {
    color: #798187;
}

.site-menu {
    display: flex;
    align-items: center;
    gap: 1.75rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-menu a {
    position: relative;
    display: block;
    padding-block: 1.55rem;
    color: #dce0e2;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
}

.site-menu a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 1rem;
    left: 0;
    height: 0.16rem;
    transform: scaleX(0);
    transform-origin: left;
    background: var(--green);
    transition: transform 160ms ease;
}

.site-menu a:hover,
.site-menu a[aria-current="page"] {
    color: var(--white);
}

.site-menu a:hover::after,
.site-menu a[aria-current="page"]::after {
    transform: scaleX(1);
}

.nav-toggle {
    display: none;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0.65rem;
    color: var(--white);
    background: transparent;
    border: 1px solid #596167;
}

.nav-toggle span[aria-hidden] {
    display: block;
    height: 0.12rem;
    margin: 0.35rem 0;
    background: currentColor;
}

.group-hero {
    min-height: min(49rem, calc(100vh - 4.75rem));
    display: grid;
    align-items: center;
    color: var(--white);
    background:
        linear-gradient(115deg, rgba(118, 185, 0, 0.08), transparent 35%),
        var(--graphite-950);
    border-bottom: 1px solid #2c3134;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(30rem, 0.95fr);
    align-items: center;
    gap: clamp(3rem, 7vw, 7rem);
    padding-block: clamp(4rem, 8vw, 7.5rem);
}

.hero-grid-copy-only {
    grid-template-columns: minmax(0, 48rem);
}

.eyebrow {
    margin: 0 0 1.25rem;
    color: var(--green);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    line-height: 1.4;
    text-transform: uppercase;
}

.eyebrow-dark {
    color: var(--green-dark);
}

.hero-copy h1,
.page-header h1,
.article-header h1 {
    margin: 0;
    font-size: clamp(3.25rem, 7.2vw, 7rem);
    font-weight: 700;
    letter-spacing: -0.055em;
    line-height: 0.94;
}

.hero-headline {
    max-width: 31rem;
    margin: 2rem 0 0;
    font-size: clamp(1.5rem, 2.5vw, 2.2rem);
    font-weight: 600;
    letter-spacing: -0.025em;
    line-height: 1.15;
}

.hero-body {
    max-width: 39rem;
    margin: 1.35rem 0 0;
    color: #c4c9cc;
    font-size: clamp(1.02rem, 1.5vw, 1.18rem);
}

.hero-methods {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.1rem;
    margin: 1.5rem 0 0;
    padding: 0;
    color: #dce0e2;
    list-style: none;
    font-size: 0.82rem;
    font-weight: 700;
}

.hero-methods li:not(:last-child)::after {
    content: "·";
    margin-left: 1.1rem;
    color: var(--green);
}

.hero-actions,
.feature-actions,
.publication-actions,
.inline-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    margin: 2rem 0 0;
    padding: 0;
    list-style: none;
}

.button,
.feature-actions a,
.publication-actions a,
.publication-actions button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.85rem;
    padding: 0.65rem 1rem;
    border: 1px solid transparent;
    border-radius: var(--radius);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 750;
    line-height: 1.2;
    cursor: pointer;
}

.button-primary {
    color: var(--graphite-950);
    background: var(--green);
}

.button-primary:hover {
    background: #8bd11a;
}

.button-secondary {
    color: var(--white);
    background: transparent;
    border-color: #6c7479;
}

.button-secondary:hover {
    border-color: var(--white);
}

.loop-visual {
    position: relative;
    min-height: 31rem;
    isolation: isolate;
}

.loop-figure {
    margin: 0;
}

.loop-figure figcaption {
    margin-top: 0.75rem;
    color: #aeb5b8;
    font-size: 0.78rem;
}

.hero-media {
    margin: 0;
}

.hero-media img {
    width: 100%;
    height: auto;
}

.hero-media figcaption {
    margin-top: 0.75rem;
    color: #aeb5b8;
    font-size: 0.78rem;
}

.loop-track {
    position: absolute;
    inset: 8% 5% 10%;
    border: 1px solid #4b5358;
    border-radius: 48% 52% 50% 50%;
    transform: rotate(-8deg);
}

.loop-track::before,
.loop-track::after {
    content: "";
    position: absolute;
    inset: 13%;
    border: 1px dashed #333a3e;
    border-radius: inherit;
}

.loop-stage {
    position: absolute;
    z-index: 2;
    width: 7.1rem;
    display: grid;
    justify-items: center;
    gap: 0.55rem;
    color: #e7eaeb;
    font-size: 0.78rem;
    font-weight: 750;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.loop-stage-1 { top: 4%; left: 3%; }
.loop-stage-2 { top: 1%; right: 3%; }
.loop-stage-3 { top: 39%; right: -2%; }
.loop-stage-4 { right: 13%; bottom: 0; }
.loop-stage-5 { left: 5%; bottom: 5%; }

.loop-glyph {
    position: relative;
    width: 6.1rem;
    height: 6.1rem;
    overflow: hidden;
    background: #161a1c;
    border: 1px solid #596166;
    border-radius: 50%;
}

.loop-stage-1 .loop-glyph,
.loop-stage-5 .loop-glyph {
    background:
        linear-gradient(30deg, transparent 47%, #5f686d 48% 50%, transparent 51%),
        linear-gradient(150deg, transparent 47%, #5f686d 48% 50%, transparent 51%),
        #141719;
}

.loop-stage-1 .loop-glyph::after,
.loop-stage-5 .loop-glyph::after {
    content: "";
    position: absolute;
    inset: 1.35rem 1.05rem;
    transform: skew(-13deg);
    border: 1px solid var(--green);
}

.loop-stage-2 .loop-glyph {
    background:
        radial-gradient(circle at 30% 38%, #ebffbc, transparent 7%),
        radial-gradient(circle at 55% 55%, #76b900, transparent 20%),
        linear-gradient(135deg, #0c2632, #1d5f73 45%, #76b900 72%, #d4f49c);
}

.loop-stage-2 .loop-glyph::after {
    content: "";
    position: absolute;
    inset: 0.7rem;
    border: 1px solid rgba(255, 255, 255, 0.52);
    border-radius: 43% 57% 40% 60%;
}

.loop-stage-3 .loop-glyph {
    background:
        radial-gradient(circle, #a9e34b 0 0.13rem, transparent 0.16rem) 0 0 / 0.8rem 0.8rem,
        radial-gradient(circle at center, rgba(118, 185, 0, 0.45), transparent 58%),
        #141719;
}

.loop-stage-3 .loop-glyph::after {
    content: "";
    position: absolute;
    inset: 1.1rem;
    border: 1px solid #a9e34b;
    border-radius: 50%;
    box-shadow: 0 0 0 0.55rem rgba(118, 185, 0, 0.13);
}

.loop-stage-4 .loop-glyph {
    background:
        linear-gradient(145deg, transparent 44%, var(--green) 45% 49%, transparent 50%),
        repeating-linear-gradient(90deg, #171b1d 0 0.55rem, #262c30 0.55rem 0.6rem);
}

.loop-stage-4 .loop-glyph::after {
    content: "";
    position: absolute;
    width: 3.5rem;
    height: 1.7rem;
    left: 1.2rem;
    top: 2.1rem;
    transform: skew(-22deg);
    border: 1px solid #d9dddf;
}

.loop-arrow {
    position: absolute;
    z-index: 3;
    color: var(--green);
    font-size: 1.35rem;
}

.loop-arrow-1 { top: 13%; left: 49%; }
.loop-arrow-2 { top: 29%; right: 6%; transform: rotate(55deg); }
.loop-arrow-3 { right: 15%; bottom: 21%; transform: rotate(120deg); }
.loop-arrow-4 { bottom: 10%; left: 39%; transform: rotate(180deg); }

.loop-return {
    position: absolute;
    z-index: 3;
    top: 42%;
    left: 23%;
    color: var(--green);
    font-size: 4rem;
    font-weight: 200;
}

.section {
    padding-block: clamp(4.75rem, 8vw, 8.5rem);
}

.section-muted {
    background: var(--surface);
}

.section-intro {
    max-width: 57rem;
    margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.section h2,
.related-section > h2 {
    margin: 0;
    font-size: clamp(2.25rem, 4.8vw, 4.8rem);
    font-weight: 680;
    letter-spacing: -0.045em;
    line-height: 1.02;
}

.lede {
    max-width: 52rem;
    margin-top: 1.5rem;
    color: var(--muted);
    font-size: clamp(1.05rem, 1.6vw, 1.25rem);
}

.lede > :first-child,
.prose > :first-child {
    margin-top: 0;
}

.lede > :last-child,
.prose > :last-child {
    margin-bottom: 0;
}

.why-aie-layout {
    display: grid;
    grid-template-columns: minmax(18rem, 0.75fr) minmax(0, 1.25fr);
    gap: clamp(3rem, 8vw, 9rem);
    align-items: start;
}

.why-aie-layout .section-intro {
    margin: 0;
}

.why-aie-copy {
    max-width: 45rem;
    color: var(--muted);
    font-size: 1.08rem;
}

.why-aie-copy p {
    margin: 0 0 1.4rem;
}

.methods-section {
    background: var(--surface);
}

.methods-heading {
    display: grid;
    grid-template-columns: minmax(18rem, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(3rem, 8vw, 8rem);
    align-items: start;
    margin-bottom: clamp(3rem, 6vw, 5.5rem);
}

.methods-heading .section-intro {
    margin: 0;
}

.methods-copy {
    color: var(--muted);
    font-size: 1.02rem;
}

.methods-copy p {
    margin: 0 0 1.25rem;
}

.research-topic-composition {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--graphite-700);
}

.research-topic-composition li {
    grid-column: span 2;
    min-width: 0;
    padding: clamp(2rem, 4vw, 3.5rem) clamp(1rem, 2.5vw, 2.25rem);
    text-align: center;
    border-bottom: 1px solid var(--line);
}

.research-topic-composition li:nth-child(4) {
    grid-column: 2 / span 2;
}

.research-topic-composition li:nth-child(5) {
    grid-column: 4 / span 2;
}

.research-topic-composition li > span {
    color: var(--green-dark);
    font-size: 0.68rem;
    font-weight: 800;
}

.research-topic-composition h3 {
    margin: 1rem 0 0;
    font-size: clamp(1.2rem, 2.4vw, 1.9rem);
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.research-topic-composition p {
    max-width: 19rem;
    margin: 1rem auto 0;
    color: var(--muted);
    font-size: 0.88rem;
}

.directions-heading {
    margin-bottom: 2rem;
}

.direction-list {
    border-top: 1px solid var(--graphite-700);
}

.direction-row {
    display: grid;
    grid-template-columns: 5rem minmax(0, 1fr);
    gap: clamp(1.5rem, 4vw, 4rem);
    align-items: center;
    padding-block: clamp(2.5rem, 5vw, 4.5rem);
    border-bottom: 1px solid var(--line);
}

.direction-row.has-media {
    grid-template-columns: 5rem minmax(18rem, 0.85fr) minmax(20rem, 1.15fr);
}

.direction-copy {
    max-width: 52rem;
}

.direction-copy h3 {
    margin: 0;
    font-size: clamp(1.8rem, 3.5vw, 3.3rem);
    letter-spacing: -0.04em;
    line-height: 1.05;
}

.direction-copy > div {
    margin-top: 1.1rem;
    color: var(--muted);
    font-size: 1rem;
}

.direction-copy p {
    margin: 0;
}

.direction-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem 1rem;
    margin: 1.25rem 0 0;
    padding: 0;
    color: #596168;
    list-style: none;
    font-size: 0.76rem;
    font-weight: 700;
}

.direction-tags li:not(:last-child)::after {
    content: "·";
    margin-left: 1rem;
    color: var(--green-dark);
}

.direction-media {
    margin: 0;
}

.direction-media img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.work-media figcaption {
    margin-top: 0.65rem;
    color: var(--muted);
    font-size: 0.72rem;
}

.pillar h3,
.research-card h3,
.person-card h3,
.feature-card h3,
.update-card h3,
.publication-card h3 {
    margin: 1.5rem 0 0;
    font-size: 1.35rem;
    letter-spacing: -0.025em;
    line-height: 1.2;
}

.pillar-grid,
.card-grid,
.team-grid {
    display: grid;
    gap: 1.25rem;
}

.columns-1 { grid-template-columns: 1fr; }
.columns-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.columns-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.columns-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.columns-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }

.pillar,
.research-card,
.person-card,
.update-card,
.publication-card {
    min-width: 0;
    padding: clamp(1.4rem, 2.8vw, 2rem);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--white);
}

.pillar {
    border-top: 0.24rem solid var(--graphite-800);
}

.pillar h3,
.research-card h3,
.person-card h3,
.update-card h3,
.publication-card h3 {
    margin-top: 0.8rem;
}

.pillar p,
.research-description,
.person-bio,
.update-excerpt {
    margin-top: 0.75rem;
    color: var(--muted);
}

.research-card {
    overflow: hidden;
    padding: 0;
}

.research-card > h3,
.research-card > .research-description,
.research-card > .tag-list {
    margin-right: 1.6rem;
    margin-left: 1.6rem;
}

.research-card > h3 {
    margin-top: 1.6rem;
}

.research-card > .tag-list {
    margin-bottom: 1.6rem;
}

.research-schematic {
    height: 10rem;
    position: relative;
    overflow: hidden;
    background: #e9ecee;
    border-bottom: 1px solid var(--line);
}

.research-card-cfd-engineering-design .research-schematic {
    background:
        linear-gradient(125deg, transparent 42%, rgba(118, 185, 0, 0.8) 43% 45%, transparent 46%),
        repeating-linear-gradient(0deg, transparent 0 1.2rem, #c5cbd0 1.2rem 1.25rem),
        repeating-linear-gradient(90deg, #eef0f1 0 1.2rem, #c5cbd0 1.2rem 1.25rem);
}

.research-card-weather .research-schematic {
    background:
        radial-gradient(ellipse at 20% 75%, rgba(118, 185, 0, 0.8), transparent 22%),
        radial-gradient(ellipse at 65% 35%, rgba(58, 128, 157, 0.78), transparent 28%),
        linear-gradient(145deg, #152c39, #a8c7d3);
}

.research-card-materials .research-schematic {
    background:
        linear-gradient(30deg, transparent 49%, #9eadb2 50% 51%, transparent 52%) 0 0 / 2.5rem 2.5rem,
        linear-gradient(150deg, transparent 49%, #9eadb2 50% 51%, transparent 52%) 0 0 / 2.5rem 2.5rem,
        linear-gradient(90deg, #edf0ed, #cfe6a8);
}

.research-schematic span {
    position: absolute;
    border: 1px solid rgba(9, 11, 12, 0.45);
}

.research-schematic span:nth-child(1) { inset: 18% 13% 44% 26%; }
.research-schematic span:nth-child(2) { inset: 42% 34% 17% 10%; }
.research-schematic span:nth-child(3) { inset: 28% 8% 25% 68%; border-color: var(--green-dark); }

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem 0.8rem;
    padding: 0;
    list-style: none;
    color: #596168;
    font-size: 0.78rem;
    font-weight: 650;
}

.tag-list li:not(:last-child)::after {
    content: "·";
    margin-left: 0.8rem;
    color: var(--green-dark);
}

.featured-work {
    background: var(--surface);
}

.feature-stack {
    display: grid;
    gap: 1.5rem;
}

.feature-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.62fr);
    gap: 3rem;
    padding: clamp(2rem, 5vw, 4rem);
    color: var(--white);
    background: var(--graphite-900);
    border-left: 0.28rem solid var(--green);
}

.feature-card:not(:has(.feature-media)) {
    grid-template-columns: 1fr;
}

.feature-label {
    margin: 0 0 1rem;
    color: var(--green);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.feature-card h3 {
    margin: 0;
    font-size: clamp(2rem, 4vw, 3.6rem);
}

.feature-description {
    max-width: 48rem;
    margin-top: 1.2rem;
    color: #c4c9cc;
    font-size: 1.05rem;
}

.feature-attribution {
    margin-top: 1rem;
    color: #9ca4a8;
    font-size: 0.86rem;
}

.feature-actions a {
    color: var(--white);
    border-color: #60686d;
}

.feature-actions a:hover {
    border-color: var(--green);
}

.featured-work {
    color: var(--white);
    background: var(--graphite-900);
}

.featured-work h2 {
    color: var(--white);
}

.featured-work .lede {
    max-width: 54rem;
    color: #c4c9cc;
    font-size: 1.02rem;
}

.selected-work-list {
    border-top: 1px solid #424a4f;
}

.selected-work-row {
    display: grid;
    grid-template-columns: minmax(10rem, 0.32fr) minmax(0, 1fr);
    gap: clamp(2rem, 6vw, 6rem);
    padding-block: clamp(2.75rem, 5vw, 4.75rem);
    border-bottom: 1px solid #424a4f;
}

.selected-work-row.has-media {
    grid-template-columns: minmax(9rem, 0.28fr) minmax(18rem, 0.72fr) minmax(20rem, 1fr);
}

.work-meta p {
    margin: 1rem 0 0;
    color: #aeb5b8;
    font-size: 0.72rem;
    font-weight: 750;
    letter-spacing: 0.08em;
    line-height: 1.5;
    text-transform: uppercase;
}

.work-copy h3 {
    margin: 0;
    font-size: clamp(2.25rem, 4.5vw, 4.5rem);
    letter-spacing: -0.045em;
    line-height: 0.95;
}

.work-copy > div {
    max-width: 48rem;
    margin-top: 1.5rem;
    color: #c4c9cc;
    font-size: 1rem;
}

.work-copy > div p {
    margin: 0;
}

.work-media {
    margin: 0;
}

.work-media img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.work-media figcaption {
    color: #9ca4a8;
}

.section-rich_text .section-intro {
    margin-bottom: 0;
}

.team-preview {
    position: relative;
    overflow: hidden;
    color: var(--white);
    background:
        radial-gradient(circle at 50% 0%, rgba(118, 185, 0, 0.12), transparent 34rem),
        var(--graphite-950);
    border-block: 1px solid #30363a;
}

.team-preview .section-intro {
    max-width: 57rem;
    margin-inline: 0;
    text-align: left;
}

.team-preview h2 {
    color: var(--white);
}

.team-preview .lede {
    color: #bdc3c6;
}

.people-grid {
    max-width: 72rem;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(2.5rem, 6vw, 6rem);
    margin-inline: auto;
}

.roster-person {
    min-width: 0;
    display: grid;
    justify-items: center;
    align-content: start;
    text-align: center;
}

.roster-person h3 {
    margin: 1.5rem 0 0;
    color: var(--white);
    font-size: clamp(1.2rem, 2vw, 1.65rem);
    line-height: 1.2;
}

.roster-person h3 a {
    text-decoration: none;
}

.person-avatar.roster-avatar {
    width: clamp(7.5rem, 11vw, 9rem);
    height: clamp(7.5rem, 11vw, 9rem);
    color: var(--white);
    background:
        radial-gradient(circle at 35% 30%, rgba(118, 185, 0, 0.28), transparent 45%),
        var(--graphite-800);
    border-color: rgba(143, 205, 46, 0.65);
    font-size: 1.15rem;
    box-shadow:
        0 0 0 0.6rem rgba(255, 255, 255, 0.035),
        0 1.5rem 4rem rgba(0, 0, 0, 0.28);
}

.roster-role {
    margin: 0.65rem 0 0;
    color: var(--green);
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.roster-focus {
    max-width: 15rem;
    margin: 0.75rem 0 0;
    color: #aeb5b8;
    font-size: 0.86rem;
    line-height: 1.4;
}

.roster-subsection {
    margin-top: clamp(4.5rem, 8vw, 7rem);
    padding-top: 3rem;
    border-top: 1px solid #353c40;
}

.roster-subsection > h3,
.previous-interns > h3 {
    margin: 0 0 2.75rem;
    color: #b7bec2;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-align: center;
    text-transform: uppercase;
}

.intern-grid {
    max-width: 72rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.previous-interns {
    margin-top: 4rem;
    padding-top: 2.5rem;
    border-top: 1px solid #353c40;
}

.previous-interns ul {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem 2rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.previous-interns li {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.75rem;
    padding-block: 0.55rem;
    color: var(--white);
    border-bottom: 1px solid #353c40;
    font-size: 0.88rem;
    font-weight: 700;
}

.previous-interns small {
    color: #aeb5b8;
    font-weight: 400;
}

.team-action {
    margin-top: 3.5rem;
    text-align: center;
}

.team-preview .team-action a {
    color: var(--green);
}

.section-action {
    margin: 2.5rem 0 0;
}

.section-action a,
.text-link {
    color: var(--green-dark);
    font-weight: 750;
    text-decoration: none;
    border-bottom: 1px solid currentColor;
}

.page-shell,
.article-shell {
    padding-block: clamp(4rem, 8vw, 8rem);
}

.page-header,
.article-header {
    max-width: 61rem;
    margin-bottom: clamp(3rem, 6vw, 5.5rem);
}

.page-header h1,
.article-header h1 {
    font-size: clamp(3.25rem, 7vw, 6.5rem);
}

.page-intro,
.article-subtitle {
    max-width: 52rem;
    margin: 1.5rem 0 0;
    color: var(--muted);
    font-size: clamp(1.1rem, 1.8vw, 1.35rem);
}

.article-header time {
    display: block;
    margin-top: 1.2rem;
    color: var(--muted);
    font-size: 0.9rem;
}

.prose {
    max-width: 54rem;
    font-size: 1.06rem;
}

.prose h2 {
    margin: 4.5rem 0 1.2rem;
    font-size: clamp(2rem, 3.8vw, 3.25rem);
    line-height: 1.08;
    letter-spacing: -0.035em;
}

.prose h3 {
    margin: 2.5rem 0 0.8rem;
    font-size: 1.35rem;
}

.prose p,
.prose ul {
    margin-block: 1.1rem;
}

.prose li + li {
    margin-top: 0.45rem;
}

.prose a {
    color: var(--green-dark);
    font-weight: 700;
}

.related-section {
    margin-top: clamp(5rem, 9vw, 9rem);
    padding-top: clamp(3rem, 5vw, 5rem);
    border-top: 1px solid var(--line);
}

.related-section > h2 {
    margin-bottom: 2.5rem;
    font-size: clamp(2rem, 4vw, 3.7rem);
}

.grouped-list,
.publication-list,
.updates-list {
    display: grid;
    gap: 1.25rem;
}

.content-group + .content-group {
    margin-top: 4rem;
}

.content-group > h2 {
    margin: 0 0 1.3rem;
    padding-bottom: 0.7rem;
    border-bottom: 1px solid var(--line);
    font-size: 1.5rem;
}

.team-groups .content-group > h2 {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
}

.team-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.person-avatar {
    width: 4.5rem;
    height: 4.5rem;
    display: grid;
    flex: 0 0 auto;
    place-items: center;
    overflow: hidden;
    color: var(--graphite-900);
    background: var(--green-pale);
    border: 1px solid #bdd88d;
    border-radius: 50%;
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.person-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.person-avatar-small {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 0.7rem;
}

.person-interests {
    margin: 0.9rem 0 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.person-card h3 a,
.update-card h3 a {
    text-decoration: none;
}

.person-role,
.publication-venue,
.publication-authors {
    margin: 0.45rem 0 0;
    color: var(--muted);
}

.person-role {
    color: var(--green-dark);
    font-size: 0.88rem;
    font-weight: 750;
}

.person-bio p {
    margin: 0;
}

.publication-card h3 {
    margin: 0;
    font-size: clamp(1.25rem, 2vw, 1.6rem);
}

.publication-card h3 a,
.publication-preview-list h3 a {
    text-decoration: none;
}

.publication-card h3 a:hover,
.publication-preview-list h3 a:hover {
    color: var(--green-dark);
}

.publication-preview {
    background: var(--surface);
}

.publication-preview-list {
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--line);
}

.publication-preview-list li {
    display: grid;
    grid-template-columns: 5rem minmax(0, 1fr) minmax(10rem, 0.35fr);
    align-items: baseline;
    gap: 1.25rem;
    padding-block: 1.35rem;
    border-bottom: 1px solid var(--line);
}

.publication-preview-list h3,
.publication-preview-list p {
    margin: 0;
}

.publication-preview-list h3 {
    font-size: 1.1rem;
    line-height: 1.35;
}

.publication-preview-list p,
.publication-preview-year {
    color: var(--muted);
    font-size: 0.82rem;
}

.publication-preview-year {
    font-weight: 800;
}

.publication-authors {
    font-size: 0.9rem;
}

.publication-venue {
    font-size: 0.88rem;
}

.publication-actions {
    margin-top: 1.2rem;
}

.publication-actions a,
.publication-actions button {
    color: var(--ink);
    background: var(--white);
    border-color: var(--line);
}

.publication-actions a:hover,
.publication-actions button:hover {
    border-color: var(--green-dark);
}

.publication-filters {
    display: grid;
    grid-template-columns: minmax(15rem, 1fr) minmax(9rem, 0.28fr) minmax(12rem, 0.42fr);
    gap: 1rem;
    margin-bottom: 3rem;
    padding: 1.25rem;
    background: var(--surface);
    border: 1px solid var(--line);
}

.publication-filters label {
    display: grid;
    gap: 0.35rem;
    color: var(--muted);
    font-size: 0.75rem;
    font-weight: 750;
}

.publication-filters input,
.publication-filters select {
    width: 100%;
    min-height: 2.8rem;
    padding: 0.55rem 0.7rem;
    color: var(--ink);
    background: var(--white);
    border: 1px solid #aeb5b8;
    border-radius: 0;
}

.filter-empty {
    padding: 2rem;
    text-align: center;
    background: var(--surface);
}

.update-card {
    display: grid;
    grid-template-columns: minmax(0, 0.38fr) minmax(0, 1fr);
    gap: 1.5rem;
}

.update-card:not(:has(img)) {
    grid-template-columns: 1fr;
}

.update-card img {
    width: 100%;
    height: 100%;
    min-height: 10rem;
    object-fit: cover;
}

.update-card time {
    color: var(--muted);
    font-size: 0.82rem;
}

.update-feature-list {
    border-top: 1px solid var(--graphite-700);
}

.update-feature {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 5rem);
    padding-block: clamp(2rem, 4vw, 3.5rem);
    border-bottom: 1px solid var(--line);
}

.update-feature.has-media {
    grid-template-columns: minmax(18rem, 0.7fr) minmax(0, 1.3fr);
}

.update-feature > img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.update-feature-copy {
    align-self: center;
}

.update-feature-copy time {
    color: var(--green-dark);
    font-size: 0.76rem;
    font-weight: 800;
}

.update-category {
    margin: 0 0 0.65rem;
    color: var(--green-dark);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.update-feature-copy h3 {
    max-width: 55rem;
    margin: 0;
    font-size: clamp(1.5rem, 3vw, 2.75rem);
    letter-spacing: -0.035em;
    line-height: 1.1;
}

.update-feature-copy h3 a {
    text-decoration: none;
}

.update-feature-copy > div {
    max-width: 50rem;
    margin-top: 1rem;
    color: var(--muted);
}

.update-feature-copy > div p {
    margin: 0;
}

.update-feature-copy .text-link {
    display: inline-block;
    margin-top: 1.25rem;
}

.article-hero {
    margin: 0 0 3rem;
}

.site-footer {
    padding-block: 3.25rem;
    color: #bdc3c6;
    background: var(--graphite-950);
    border-top: 1px solid #31373b;
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 2rem;
}

.footer-name {
    margin: 0;
    color: var(--white);
    font-weight: 750;
}

.footer-parent,
.footer-copy {
    margin: 0.35rem 0 0;
    font-size: 0.82rem;
}

.footer-parent {
    max-width: 46rem;
}

.footer-legal {
    max-width: 38rem;
    text-align: right;
}

.footer-legal ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.35rem 1rem;
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 0.72rem;
}

.footer-legal a {
    color: #bdc3c6;
}

@media (max-width: 64rem) {
    .columns-4,
    .columns-5 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .feature-card {
        grid-template-columns: 1fr;
    }

    .research-topic-composition {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .research-topic-composition li,
    .research-topic-composition li:nth-child(4),
    .research-topic-composition li:nth-child(5) {
        grid-column: auto;
    }

    .selected-work-row.has-media {
        grid-template-columns: minmax(8rem, 0.25fr) minmax(0, 0.75fr);
    }

    .selected-work-row.has-media .work-media {
        grid-column: 2;
    }
}

@media (max-width: 56rem) {
    .hero-grid {
        grid-template-columns: 1fr;
    }

    .hero-copy {
        max-width: 46rem;
    }

    .loop-visual {
        width: min(100%, 36rem);
        margin-inline: auto;
    }
}

@media (max-width: 50rem) {
    .shell {
        width: min(calc(100% - 2rem), var(--shell));
    }

    .site-nav {
        min-height: 4.25rem;
        flex-wrap: wrap;
    }

    .site-identity {
        max-width: calc(100% - 4rem);
        font-size: 0.8rem;
    }

    .js .nav-toggle {
        display: block;
    }

    .site-menu {
        width: 100%;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding-bottom: 1rem;
    }

    .js .site-menu {
        display: none;
    }

    .js .site-menu.is-open {
        display: flex;
    }

    .site-menu a {
        padding: 0.8rem 0;
        border-top: 1px solid #30363a;
    }

    .site-menu a::after {
        display: none;
    }

    .group-hero {
        min-height: auto;
    }

    .hero-grid {
        padding-block: 4rem;
    }

    .loop-visual {
        min-height: 27rem;
        transform: scale(0.92);
        transform-origin: center;
    }

    .columns-2,
    .columns-3,
    .columns-4,
    .columns-5,
    .team-grid {
        grid-template-columns: 1fr;
    }

    .previous-interns ul {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .people-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 3.5rem 2rem;
    }

    .people-grid > .roster-person:last-child:nth-child(odd) {
        grid-column: 1 / -1;
    }

    .why-aie-layout,
    .methods-heading {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .research-topic-composition {
        grid-template-columns: 1fr;
    }

    .direction-row,
    .direction-row.has-media {
        grid-template-columns: 3rem minmax(0, 1fr);
        gap: 1rem;
    }

    .direction-row.has-media .direction-media {
        grid-column: 2;
    }

    .selected-work-row,
    .selected-work-row.has-media {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .selected-work-row.has-media .work-media {
        grid-column: auto;
    }

    .update-feature.has-media {
        grid-template-columns: 1fr;
    }

    .publication-filters {
        grid-template-columns: 1fr;
    }

    .publication-preview-list li {
        grid-template-columns: 3.5rem minmax(0, 1fr);
        gap: 0.5rem 1rem;
    }

    .publication-preview-list p {
        grid-column: 2;
    }

    .update-card {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        align-items: start;
        flex-direction: column;
    }

    .footer-legal {
        text-align: left;
    }

    .footer-legal ul {
        justify-content: flex-start;
    }
}

@media (max-width: 36rem) {
    .site-divider,
    .site-parent {
        display: none;
    }

    .hero-copy h1,
    .page-header h1,
    .article-header h1 {
        font-size: clamp(2.75rem, 15vw, 4rem);
    }

    .hero-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .previous-interns ul {
        grid-template-columns: 1fr;
    }

    .people-grid {
        grid-template-columns: 1fr;
    }

    .people-grid > .roster-person:last-child:nth-child(odd) {
        grid-column: auto;
    }

    .button {
        width: 100%;
    }

    .loop-visual {
        min-height: auto;
        display: grid;
        grid-template-columns: repeat(5, minmax(0, 1fr));
        gap: 0.25rem;
        transform: none;
    }

    .loop-track,
    .loop-arrow,
    .loop-return {
        display: none;
    }

    .loop-stage {
        position: static;
        width: auto;
        min-width: 0;
        font-size: 0.65rem;
        letter-spacing: 0;
        text-align: center;
    }

    .loop-glyph {
        width: 3.3rem;
        height: 3.3rem;
    }

    .loop-stage-1 .loop-glyph::after,
    .loop-stage-5 .loop-glyph::after {
        inset: 0.8rem 0.6rem;
    }

    .loop-stage-3 .loop-glyph::after {
        inset: 0.65rem;
    }

    .loop-stage-4 .loop-glyph::after {
        width: 1.9rem;
        height: 0.95rem;
        left: 0.65rem;
        top: 1.1rem;
    }

    .section,
    .page-shell,
    .article-shell {
        padding-block: 4rem;
    }

    .pillar,
    .person-card,
    .update-card,
    .publication-card {
        padding: 1.2rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Evidence Editorial: approved A+ composition */
.group-hero {
    min-height: 46rem;
    background:
        linear-gradient(115deg, rgba(118, 185, 0, 0.07), transparent 42%),
        var(--graphite-950);
}

.hero-grid-indexed {
    grid-template-columns: minmax(0, 0.95fr) minmax(22rem, 0.55fr);
    gap: clamp(4rem, 9vw, 9rem);
}

.hero-copy h1 {
    font-size: clamp(5rem, 9vw, 8.5rem);
}

.hero-research-index {
    align-self: center;
    padding-left: 2rem;
    border-left: 1px solid #424a45;
}

.hero-research-index > p {
    margin: 0 0 2rem;
    color: var(--green);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.hero-research-index ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.hero-research-index li {
    color: var(--white);
    font-size: clamp(1.6rem, 2.8vw, 2.8rem);
    font-weight: 650;
    letter-spacing: -0.035em;
    line-height: 1.05;
}

.hero-research-index li + li {
    margin-top: 1.5rem;
}

.section {
    padding-block: clamp(4.25rem, 7vw, 7rem);
}

.why-aie-layout,
.methods-heading {
    grid-template-columns: minmax(20rem, 0.72fr) minmax(0, 1.28fr);
    gap: clamp(4rem, 9vw, 10rem);
}

.why-aie-layout h2,
.methods-heading h2 {
    font-size: clamp(3.5rem, 6vw, 6rem);
}

.research-topic-composition {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top-color: #777e79;
}

.research-topic-composition li,
.research-topic-composition li:nth-child(4),
.research-topic-composition li:nth-child(5) {
    grid-column: auto;
    padding-inline: 1.2rem;
}

.research-topic-composition h3 {
    margin-top: 0;
    font-size: clamp(1.3rem, 2vw, 1.8rem);
}

.research-topic-composition p {
    font-size: 0.82rem;
}

.direction-row,
.direction-row.has-media {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    padding-block: clamp(3.5rem, 6vw, 6rem);
}

.direction-copy {
    max-width: none;
    display: grid;
    grid-template-columns: minmax(18rem, 0.6fr) minmax(0, 1.4fr);
    gap: clamp(3rem, 8vw, 9rem);
    align-items: start;
}

.direction-copy h3 {
    align-self: start;
    font-size: clamp(2.8rem, 5vw, 5rem);
}

.direction-copy > div,
.direction-tags {
    grid-column: 2;
}

.direction-copy > div {
    margin-top: 0;
    font-size: 1.08rem;
}

.direction-row.has-media {
    grid-template-columns: minmax(18rem, 0.85fr) minmax(20rem, 1.15fr);
    gap: clamp(3rem, 6vw, 6rem);
}

.direction-row.has-media .direction-copy {
    display: block;
}

.direction-row.has-media .direction-copy > div {
    margin-top: 1rem;
}

.direction-row.has-media .direction-tags {
    grid-column: auto;
}

.direction-row.has-media:nth-child(even) .direction-copy {
    grid-column: 2;
}

.direction-row.has-media:nth-child(even) .direction-media {
    grid-column: 1;
    grid-row: 1;
}

.direction-row.has-media .direction-media img {
    aspect-ratio: 1;
    object-fit: cover;
    background: var(--graphite-900);
}

.direction-media-placeholder {
    aspect-ratio: 16 / 10;
    background: #e5e8e4;
    border: 1px solid #d1d6d1;
}

.selected-work-row {
    grid-template-columns: minmax(12rem, 0.3fr) minmax(0, 1fr);
    padding-block: clamp(3.5rem, 6vw, 6rem);
}

.work-copy h3 {
    font-size: clamp(3rem, 6vw, 6rem);
}

.work-meta p {
    margin-top: 0;
}

.publication-preview-list li {
    padding-block: 1.1rem;
}

@media (max-width: 64rem) {
    .research-topic-composition {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .research-topic-composition li,
    .research-topic-composition li:nth-child(4),
    .research-topic-composition li:nth-child(5) {
        grid-column: auto;
    }

    .research-topic-composition li:last-child:nth-child(odd) {
        grid-column: 1 / -1;
    }
}

@media (max-width: 50rem) {
    .hero-grid-indexed {
        grid-template-columns: 1fr;
        min-width: 0;
    }

    .hero-research-index {
        display: none;
    }

    .hero-copy {
        width: 100%;
        min-width: 0;
        max-width: 100%;
    }

    .hero-copy h1 {
        overflow-wrap: anywhere;
        font-size: clamp(2.5rem, 12vw, 3.5rem);
    }

    .hero-actions,
    .hero-actions .button {
        min-width: 0;
        max-width: 100%;
    }

    .why-aie-layout,
    .methods-heading,
    .research-topic-composition,
    .direction-copy {
        grid-template-columns: 1fr;
    }

    .research-topic-composition li:last-child:nth-child(odd) {
        grid-column: auto;
    }

    .direction-copy {
        gap: 1rem;
    }

    .direction-copy > div,
    .direction-tags {
        grid-column: auto;
    }

    .direction-row.has-media {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .direction-row.has-media .direction-media,
    .direction-row.has-media:nth-child(even) .direction-media {
        grid-column: 1;
        grid-row: 1;
    }

    .direction-row.has-media .direction-copy,
    .direction-row.has-media:nth-child(even) .direction-copy {
        grid-column: 1;
        grid-row: 2;
    }

    .selected-work-row,
    .selected-work-row.has-media {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* Coherent navigation, metadata, and project typography */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: #090b0a;
}

.site-nav {
    min-height: 5.25rem;
}

.site-identity {
    gap: 0.7rem;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.075em;
    text-transform: uppercase;
}

.site-menu {
    gap: 2.25rem;
}

.site-menu a {
    padding-block: 1.9rem;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.085em;
    text-transform: uppercase;
}

.site-menu a::after {
    bottom: 1.35rem;
}

.eyebrow,
.hero-research-index > p,
.work-meta p,
.update-category,
.roster-role,
.roster-subsection > h3,
.previous-interns > h3 {
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.featured-work .section-intro {
    margin-bottom: 2rem;
}

.selected-work-row {
    grid-template-columns: minmax(11rem, 0.26fr) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4.5rem);
    padding-block: clamp(3rem, 5vw, 4.5rem);
}

.selected-work-row.has-media {
    grid-template-columns: minmax(10rem, 0.22fr) minmax(18rem, 0.68fr) minmax(20rem, 1.1fr);
}

.work-meta {
    padding-top: 0.4rem;
}

.work-meta p {
    margin: 0;
    color: var(--green);
    line-height: 1.6;
}

.work-copy h3 {
    font-size: clamp(2.8rem, 5vw, 5.25rem);
    line-height: 0.98;
}

.work-copy > div {
    max-width: 50rem;
    margin-top: 1.35rem;
    font-size: 1.03rem;
    line-height: 1.62;
}

.feature-attribution {
    margin-top: 1.1rem;
}

.selected-work-row .feature-actions {
    gap: 1.5rem;
    margin-top: 1.75rem;
}

.selected-work-row .feature-actions a {
    min-height: auto;
    padding: 0 0 0.2rem;
    color: var(--white);
    background: transparent;
    border: 0;
    border-bottom: 1px solid #6f7873;
    border-radius: 0;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.selected-work-row .feature-actions a:hover {
    color: #8fd028;
    border-color: #8fd028;
}

.section-action a,
.text-link {
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.045em;
}

.publication-preview-list h3 {
    font-size: 1.05rem;
}

@media (max-width: 50rem) {
    .site-nav {
        min-height: 4.5rem;
    }

    .site-menu a {
        padding-block: 0.9rem;
    }

    .selected-work-row,
    .selected-work-row.has-media {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
}

/* Final coherence pass */
:root {
    --aie-display-size: clamp(4.75rem, 8.5vw, 8rem);
    --aie-section-size: clamp(2.75rem, 5vw, 4.5rem);
    --aie-feature-size: clamp(2.5rem, 4.75vw, 4.75rem);
    --aie-item-size: clamp(1.15rem, 2vw, 1.55rem);
}

.hero-copy h1 {
    font-size: var(--aie-display-size);
}

.section h2,
.related-section > h2 {
    font-size: var(--aie-section-size);
}

.page-header h1,
.article-header h1 {
    font-size: clamp(3.25rem, 6vw, 5.75rem);
}

.direction-copy h3,
.work-copy h3 {
    font-size: var(--aie-feature-size);
}

.publication-preview-list h3,
.update-feature-copy h3 {
    font-size: var(--aie-item-size);
}

.section {
    padding-block: clamp(3.75rem, 6vw, 6rem);
}

.section-intro {
    margin-bottom: clamp(2.25rem, 4vw, 3.5rem);
}

.why-aie-layout,
.methods-heading {
    gap: clamp(3rem, 7vw, 7rem);
}

.research-topic-composition li {
    padding-block: clamp(1.75rem, 3vw, 2.75rem);
}

.direction-row,
.direction-row.has-media {
    padding-block: clamp(3rem, 5vw, 5rem);
}

.selected-work-row,
.selected-work-row.has-media {
    padding-block: clamp(2.75rem, 4.5vw, 4rem);
}

.publication-preview-list li {
    grid-template-columns: 5rem minmax(0, 1fr) minmax(11rem, 0.34fr);
    gap: 1.5rem;
    padding-block: 1.35rem;
}

.publication-preview-list h3 {
    line-height: 1.35;
}

.publication-preview-list p,
.publication-preview-year {
    font-size: 0.84rem;
}

.team-preview {
    padding-block: clamp(4rem, 6vw, 5.75rem);
}

.team-preview .section-intro {
    margin-bottom: 3rem;
}

.people-grid {
    gap: clamp(2rem, 5vw, 4.5rem);
}

.person-avatar.roster-avatar {
    width: clamp(6.5rem, 9vw, 7.75rem);
    height: clamp(6.5rem, 9vw, 7.75rem);
}

.roster-person h3 {
    margin-top: 1.2rem;
    font-size: clamp(1.15rem, 1.8vw, 1.45rem);
}

.roster-subsection {
    margin-top: clamp(3.5rem, 6vw, 5rem);
    padding-top: 2.5rem;
}

.team-action {
    margin-top: 2.75rem;
}

.updates-section {
    background: var(--surface);
}

.updates-section .section-intro {
    margin-bottom: 2.5rem;
}

.update-feature-list {
    border-top-color: var(--graphite-700);
}

.update-feature {
    padding-block: clamp(2.25rem, 4vw, 3.5rem);
}

.update-feature-copy h3 {
    max-width: 60rem;
    line-height: 1.2;
}

.update-feature-copy > div {
    margin-top: 0.85rem;
}

.eyebrow,
.hero-research-index > p,
.work-meta p,
.update-category,
.roster-role,
.roster-subsection > h3,
.previous-interns > h3 {
    font-size: 0.72rem;
    letter-spacing: 0.11em;
}

.section-action a,
.text-link,
.selected-work-row .feature-actions a {
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.065em;
    text-transform: uppercase;
}

@media (max-width: 50rem) {
    :root {
        --aie-display-size: clamp(2.75rem, 12vw, 3.5rem);
        --aie-section-size: clamp(2.25rem, 9vw, 3.25rem);
        --aie-feature-size: clamp(2rem, 8vw, 3rem);
    }

    .section {
        padding-block: 3.5rem;
    }

    .publication-preview-list li {
        grid-template-columns: 3.5rem minmax(0, 1fr);
        gap: 0.5rem 1rem;
    }

    .publication-preview-list p {
        grid-column: 2;
    }

    .team-preview {
        padding-block: 3.75rem;
    }
}

/* Editorial subpages */
.page-shell.team-page {
    padding-block: 0;
    background: var(--graphite-900);
}

.subpage-hero {
    color: var(--white);
    background:
        linear-gradient(115deg, rgba(118, 185, 0, 0.07), transparent 44%),
        var(--graphite-950);
    border-bottom: 1px solid #30363a;
}

.subpage-hero-grid {
    min-height: 30rem;
    display: grid;
    grid-template-columns: minmax(18rem, 0.75fr) minmax(24rem, 1.25fr);
    gap: clamp(3rem, 8vw, 8rem);
    align-items: end;
    padding-block: clamp(5rem, 9vw, 8rem);
}

.subpage-title-block h1 {
    margin: 0;
    color: var(--white);
    font-size: clamp(4.5rem, 8vw, 7.5rem);
    font-weight: 700;
    letter-spacing: -0.055em;
    line-height: 0.94;
}

.subpage-intro {
    max-width: 48rem;
    margin: 0 0 0.45rem;
    color: #c4c9cc;
    font-size: clamp(1.15rem, 2vw, 1.45rem);
    line-height: 1.55;
}

.subpage-intro p {
    margin: 0;
}

.team-roster {
    padding-block: clamp(2rem, 4vw, 3.5rem) clamp(5rem, 8vw, 8rem);
    color: var(--white);
    background:
        radial-gradient(circle at 50% 0%, rgba(118, 185, 0, 0.08), transparent 35rem),
        var(--graphite-900);
}

.team-roster-group {
    padding-block: clamp(3.25rem, 6vw, 5.5rem);
    border-top: 1px solid #424a4f;
}

.team-roster-group > h2 {
    margin: 0 0 clamp(2.5rem, 5vw, 4rem);
    color: var(--green);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    line-height: 1.4;
    text-transform: uppercase;
}

.team-page .team-grid.people-grid {
    max-width: none;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(3rem, 7vw, 6rem);
}

.team-page .person-card {
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
}

.team-page .person-avatar.roster-avatar {
    width: clamp(7rem, 10vw, 8.5rem);
    height: clamp(7rem, 10vw, 8.5rem);
}

.team-page .person-copy {
    min-width: 0;
}

.team-roster-group[data-group="team"] .person-copy {
    width: 100%;
    display: grid;
    grid-template-rows: auto 2rem auto;
    justify-items: center;
    align-content: start;
}

.team-roster-group[data-group="team"] .person-copy h3 {
    grid-row: 1;
}

.team-roster-group[data-group="team"] .person-role {
    grid-row: 2;
}

.team-roster-group[data-group="team"] .person-interests {
    grid-row: 3;
}

.team-page .person-card h3 {
    margin: 1.5rem 0 0;
    color: var(--white);
    font-size: clamp(1.35rem, 2.2vw, 1.8rem);
    letter-spacing: -0.025em;
    line-height: 1.15;
}

.team-page .person-card h3 a {
    text-decoration: none;
}

.team-page .person-role.roster-role {
    margin-top: 0.7rem;
    color: var(--green);
}

.team-page .person-interests.roster-focus {
    max-width: 21rem;
    margin-top: 1rem;
    color: #b7bec2;
    font-size: 0.88rem;
    line-height: 1.55;
}

.team-page .person-interests strong {
    display: block;
    margin-bottom: 0.35rem;
    color: #7f898e;
    font-size: 0.64rem;
    font-weight: 800;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.team-page .person-bio {
    color: #b7bec2;
}

.team-page .inline-links {
    justify-content: center;
}

.research-narrative {
    padding-block: clamp(5rem, 8vw, 8rem);
}

.research-prose {
    max-width: none;
    display: grid;
    grid-template-columns: minmax(16rem, 0.56fr) minmax(0, 1.44fr);
    column-gap: clamp(3rem, 8vw, 8rem);
    font-size: 1.03rem;
}

.research-prose > * {
    min-width: 0;
}

.research-prose > p {
    grid-column: 2;
    max-width: 52rem;
    margin: 0;
    padding-bottom: 1.35rem;
    color: #343a3e;
}

.research-prose > p:first-child {
    font-size: clamp(1.3rem, 2.15vw, 1.65rem);
    font-weight: 620;
    letter-spacing: -0.018em;
    line-height: 1.48;
}

.research-prose > p:nth-child(2) {
    padding-bottom: 0;
}

.research-prose > h2 {
    grid-column: 1 / -1;
    margin: clamp(4rem, 8vw, 7rem) 0 0;
    padding: clamp(2rem, 4vw, 3.25rem) 0;
    border-top: 1px solid var(--graphite-700);
    font-size: var(--aie-section-size);
    letter-spacing: -0.045em;
    line-height: 0.98;
}

.research-prose > h3 {
    grid-column: 1;
    margin: 0;
    padding: clamp(2rem, 4vw, 3.25rem) clamp(1.5rem, 4vw, 3rem) clamp(2rem, 4vw, 3.25rem) 0;
    border-top: 1px solid var(--line);
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    letter-spacing: -0.03em;
    line-height: 1.15;
}

.research-prose > h3 + p {
    grid-column: 2;
    align-self: stretch;
    max-width: none;
    padding: clamp(2rem, 4vw, 3.25rem) 0;
    border-top: 1px solid var(--line);
    line-height: 1.7;
}

.research-prose > h3 + p + p {
    margin-top: -2rem;
    padding: 0 0 clamp(2rem, 4vw, 3.25rem);
}

.research-prose > h2 + p {
    padding-top: 0;
    font-size: 1.08rem;
    line-height: 1.72;
}

.research-prose > h2 + h3,
.research-prose > h2 + h3 + p {
    border-top-color: var(--line);
}

.research-page-directions {
    background: var(--surface);
    border-block: 1px solid var(--line);
}

.research-page-directions .section-intro {
    max-width: none;
}

.research-page-directions .direction-list {
    border-top-color: var(--graphite-700);
}

.research-page-publications {
    background: var(--white);
}

.research-page-publications .publication-preview-list {
    border-top-color: var(--graphite-700);
}

@media (max-width: 64rem) {
    .team-page .team-grid.people-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 4rem 2.5rem;
    }

    .team-page .team-grid.people-grid > .person-card:last-child:nth-child(odd) {
        grid-column: 1 / -1;
    }
}

@media (max-width: 50rem) {
    .subpage-hero-grid {
        min-height: auto;
        grid-template-columns: 1fr;
        gap: 2rem;
        padding-block: 4.5rem;
    }

    .subpage-title-block h1 {
        font-size: clamp(3.25rem, 16vw, 5rem);
    }

    .subpage-intro {
        margin-bottom: 0;
        font-size: 1.08rem;
    }

    .team-page .team-grid.people-grid {
        grid-template-columns: 1fr;
        gap: 3.75rem;
    }

    .team-page .team-grid.people-grid > .person-card:last-child:nth-child(odd) {
        grid-column: auto;
    }

    .research-narrative {
        padding-block: 4.5rem;
    }

    .research-prose {
        display: block;
    }

    .research-prose > p {
        padding-bottom: 1.2rem;
    }

    .research-prose > h2 {
        margin-top: 3.75rem;
        padding-block: 1.75rem;
    }

    .research-prose > h3 {
        padding: 2rem 0 0.75rem;
    }

    .research-prose > h3 + p {
        padding: 0 0 2rem;
        border-top: 0;
    }

    .research-prose > h3 + p + p {
        margin-top: -1.25rem;
        padding-bottom: 2rem;
    }
}

/* Institutional research masthead */
.group-hero {
    min-height: min(42rem, calc(100vh - 5.25rem));
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(112deg, rgba(118, 185, 0, 0.075), transparent 38%),
        var(--graphite-950);
}

.hero-grid-indexed {
    min-height: inherit;
    position: relative;
    z-index: 1;
    grid-template-columns: minmax(0, 1.18fr) minmax(20rem, 0.52fr);
    gap: clamp(4rem, 9vw, 9rem);
    align-items: end;
    padding-block: clamp(5rem, 9vw, 7.5rem) clamp(4rem, 7vw, 6rem);
}

.hero-copy {
    max-width: 59rem;
}

.hero-copy .eyebrow {
    margin-bottom: 1.5rem;
    color: #aeb6b1;
    font-size: 0.68rem;
    letter-spacing: 0.13em;
}

.hero-group-type {
    margin: 0 0 1.15rem;
    color: var(--green);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    line-height: 1.2;
    text-transform: uppercase;
}

.hero-copy h1 {
    max-width: 58rem;
    font-size: clamp(5rem, 8.2vw, 8rem);
    line-height: 0.91;
}

.hero-headline {
    max-width: 38rem;
    margin-top: 2rem;
    font-size: clamp(1.3rem, 2vw, 1.7rem);
    font-weight: 580;
    line-height: 1.18;
}

.hero-body {
    max-width: 43rem;
    margin-top: 1.1rem;
    color: #b7bdc0;
    font-size: clamp(0.98rem, 1.3vw, 1.08rem);
}

.hero-actions {
    gap: 1.7rem;
    margin-top: 2rem;
}

.hero-actions .button {
    min-height: auto;
    padding: 0 0 0.28rem;
    color: #eef1ef;
    background: transparent;
    border: 0;
    border-bottom: 1px solid #69726d;
    border-radius: 0;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-actions .button:hover {
    color: #8fd028;
    background: transparent;
    border-color: #8fd028;
}

.hero-research-index {
    align-self: end;
    max-width: 25rem;
    padding: 0 0 0.35rem 1.75rem;
    border-left-color: #4a524e;
}

.hero-research-index > p {
    margin-bottom: 1.15rem;
    font-size: 0.66rem;
    letter-spacing: 0.13em;
}

.hero-research-index ul {
    display: block;
    border-top: 1px solid #424a46;
}

.hero-research-index li {
    min-height: 0;
    display: block;
    padding: 0.95rem 0;
    color: #d5dad7;
    border-bottom: 1px solid #424a46;
    font-size: clamp(1rem, 1.35vw, 1.2rem);
    font-weight: 620;
    letter-spacing: -0.018em;
    line-height: 1.2;
}

.hero-research-index li + li {
    margin-top: 0;
}

.hero-research-index li:nth-child(odd) {
    padding-right: 0;
    border-right: 0;
}

.hero-research-index li:nth-child(even) {
    padding-left: 0;
}

@media (max-width: 50rem) {
    .group-hero {
        min-height: auto;
    }

    .hero-grid-indexed {
        grid-template-columns: 1fr;
        padding-block: 4rem;
    }

    .hero-copy h1 {
        font-size: clamp(3rem, 14vw, 4.5rem);
    }

    .hero-research-index {
        display: none;
    }

    .hero-actions {
        align-items: flex-start;
    }

    .hero-actions .button {
        width: auto;
    }
}

/* Final typography and research-figure scale */
.hero-actions .button {
    gap: 0.45rem;
    font-size: 0.78rem;
}

.direction-row.has-media .direction-media img {
    aspect-ratio: 3 / 2;
}

.direction-row.has-media .direction-media {
    width: 88%;
    overflow: hidden;
    border: 1px solid #cfd4d1;
}

.direction-row.has-media:nth-child(odd) .direction-media {
    justify-self: end;
}

.direction-row.has-media:nth-child(even) .direction-media {
    justify-self: start;
}

.research-topic-composition p {
    font-size: 0.86rem;
}

.research-topic-composition li {
    display: grid;
    grid-template-rows: minmax(4rem, auto) auto;
    align-content: start;
}

.research-topic-composition h3 {
    align-self: end;
}

@media (min-width: 50.01rem) {
    .why-aie-layout {
        grid-template-columns: minmax(24rem, 0.9fr) minmax(0, 1.1fr);
        gap: clamp(3rem, 6vw, 6rem);
    }

    .why-aie-layout h2 {
        font-size: clamp(3rem, 4.5vw, 4.5rem);
    }

    .methods-heading {
        grid-template-columns: minmax(24rem, 0.9fr) minmax(0, 1.1fr);
        gap: clamp(3rem, 6vw, 6rem);
    }

    .methods-heading h2 {
        font-size: clamp(3rem, 4.2vw, 4.25rem);
    }

    .direction-row.has-media {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: clamp(3rem, 6vw, 6rem);
    }

    .direction-copy h3 {
        font-size: clamp(2.5rem, 4vw, 4rem);
    }
}

@media (min-width: 64.01rem) {
    .hero-research-index {
        transform: translateY(-6.25rem);
    }
}

@media (max-width: 50rem) {
    .direction-row.has-media .direction-media {
        width: 100%;
        justify-self: stretch;
    }

    .research-topic-composition li {
        display: block;
    }
}

.research-page > .research-narrative:not(.research-narrative-continuation) {
    padding-bottom: clamp(3rem, 5vw, 5rem);
}

.research-narrative-continuation {
    padding-top: clamp(4rem, 6vw, 6rem);
}

@media (max-width: 50rem) {
    .research-page > .research-narrative:not(.research-narrative-continuation) {
        padding-bottom: 3rem;
    }

    .research-narrative-continuation {
        padding-top: 3.5rem;
    }
}