```css
/* =========================================================
   GHE — YOUNG VOICES / RESEARCH
   Page-specific stylesheet
   ========================================================= */


:root {
    --research-navy: #0b2d4d;
    --research-blue: #155a86;
    --research-teal: #148b8b;
    --research-sky: #eaf5f8;
    --research-ink: #173246;
    --research-muted: #617487;
    --research-line: #dbe5ea;
    --research-white: #ffffff;
    --research-soft: #f5f8fa;
    --research-gold: #d5a93a;
}


body {
    color: var(--research-ink);
}


.main-nav {
    position: relative;
    z-index: 20;
}


.main-nav a.active {
    font-weight: 700;
}


/* =========================================================
   HERO
   ========================================================= */

.research-hero {
    min-height: 650px;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--research-navy);
}


.research-hero-image,
.research-hero-overlay {
    position: absolute;
    inset: 0;
}


.research-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}


.research-hero-overlay {
    background:
        linear-gradient(
            90deg,
            rgba(4,27,46,.93) 0%,
            rgba(8,43,69,.82) 43%,
            rgba(8,43,69,.28) 100%
        );
}


.research-hero-content {
    position: relative;
    z-index: 2;
    width: min(1180px, 92%);
    margin: 0 auto;
    padding: 90px 0;
    color: #fff;
}


.research-kicker,
.eyebrow {
    display: inline-block;
    letter-spacing: .16em;
    font-size: .76rem;
    font-weight: 800;
    text-transform: uppercase;
}


.research-kicker {
    color: #b9e9eb;
    margin-bottom: 18px;
}


.research-hero h1 {
    max-width: 760px;
    margin: 0 0 18px;
    font-size: clamp(2.6rem, 5vw, 4.8rem);
    line-height: 1.03;
    letter-spacing: -.035em;
}


.hero-lead {
    font-size: 1.45rem;
    font-weight: 600;
    margin: 0 0 12px;
    max-width: 690px;
}


.hero-text {
    max-width: 680px;
    line-height: 1.75;
    color: #e5eff4;
    font-size: 1.05rem;
}


.hero-button,
.primary-button {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    margin-top: 28px;
    padding: 13px 21px;
    border-radius: 999px;
    background: #fff;
    color: var(--research-navy);
    text-decoration: none;
    font-weight: 800;
    transition:
        transform .2s ease,
        box-shadow .2s ease;
}


.hero-button:hover,
.primary-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(0,0,0,.18);
}


/* =========================================================
   GENERAL
   ========================================================= */

.section-shell {
    width: min(1160px, 92%);
    margin: 0 auto;
}


.section-heading {
    margin-bottom: 40px;
}


.section-heading.centered {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    max-width: 850px;
}


.section-heading h2,
.evidence-grid h2,
.implementation-copy h2,
.responsibility-grid h2,
.next-card h2 {
    margin: 9px 0 14px;
    color: var(--research-navy);
    font-size: clamp(2rem, 3.3vw, 3.1rem);
    line-height: 1.1;
    letter-spacing: -.025em;
}


.section-heading p {
    color: var(--research-muted);
    line-height: 1.7;
    font-size: 1.03rem;
}


.eyebrow {
    color: var(--research-teal);
}


.light .eyebrow,
.question-section .eyebrow {
    color: #a9e0df;
}


/* =========================================================
   INTRODUCTION
   ========================================================= */

.intro-section {
    padding: 92px 0 88px;
}


.intro-grid {
    display: grid;
    grid-template-columns: 1.55fr .75fr;
    gap: 70px;
    align-items: start;
}


.intro-grid p,
.evidence-grid p,
.implementation-copy p,
.responsibility-grid p {
    line-height: 1.8;
    color: #526879;
}


.lead-paragraph {
    font-size: 1.18rem;
    color: var(--research-ink) !important;
}


.principle-card {
    padding: 32px;
    background: var(--research-soft);
    border: 1px solid var(--research-line);
    border-top: 4px solid var(--research-teal);
}


.card-number {
    display: block;
    color: var(--research-teal);
    font-size: .75rem;
    font-weight: 900;
    letter-spacing: .15em;
    margin-bottom: 18px;
}


.principle-card h3 {
    margin: 0 0 10px;
    color: var(--research-navy);
    font-size: 1.35rem;
}


.principle-card p {
    margin: 0;
    line-height: 1.7;
}


/* =========================================================
   QUESTION SECTION
   ========================================================= */

.question-section {
    padding: 95px 0;
    background: var(--research-navy);
    color: #fff;
}


.question-section .section-heading h2 {
    color: #fff;
}


.question-section .section-heading p {
    color: #cbd9e1;
}


.question-flow {
    display: grid;
    grid-template-columns:
        1fr auto
        1fr auto
        1fr auto
        1fr;
    gap: 12px;
    align-items: center;
    margin: 45px 0 55px;
}


.flow-step {
    padding: 25px 18px;
    min-height: 145px;
    border: 1px solid rgba(255,255,255,.18);
    background: rgba(255,255,255,.055);
    text-align: center;
}


.flow-step span {
    display: block;
    color: #94d6d5;
    font-size: .76rem;
    font-weight: 800;
    letter-spacing: .12em;
}


.flow-step strong {
    display: block;
    margin: 13px 0 6px;
    font-size: 1.15rem;
}


.flow-step small {
    color: #c2d2dc;
    line-height: 1.45;
}


.flow-arrow {
    color: #79c7c6;
    font-size: 1.5rem;
}


.question-checks {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    border-top: 1px solid rgba(255,255,255,.15);
}


.question-checks div {
    padding: 24px 18px 0;
    border-right: 1px solid rgba(255,255,255,.12);
}


.question-checks div:last-child {
    border-right: 0;
}


.question-checks strong {
    display: block;
    color: #bce9e8;
    margin-bottom: 6px;
}


.question-checks span {
    color: #c9d6de;
    font-size: .92rem;
    line-height: 1.55;
}


/* =========================================================
   EVIDENCE
   ========================================================= */

.evidence-section {
    padding: 96px 0;
}


.evidence-grid {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 80px;
    align-items: center;
}


.evidence-ladder {
    display: grid;
    gap: 10px;
}


.evidence-ladder div {
    padding: 17px 20px;
    background: var(--research-soft);
    border-left: 4px solid var(--research-teal);
}


.evidence-ladder div:nth-child(2) {
    margin-left: 25px;
}


.evidence-ladder div:nth-child(3) {
    margin-left: 50px;
}


.evidence-ladder div:nth-child(4) {
    margin-left: 75px;
}


.evidence-ladder div:nth-child(5) {
    margin-left: 100px;
    background: #eaf5f8;
}


.evidence-ladder span {
    display: block;
    color: var(--research-teal);
    font-size: .72rem;
    font-weight: 900;
    letter-spacing: .12em;
}


.evidence-ladder b {
    display: block;
    margin-top: 4px;
    color: var(--research-navy);
    font-size: .98rem;
}


/* =========================================================
   RESEARCH LANDSCAPE
   ========================================================= */

.landscape-section {
    padding: 95px 0;
    background: var(--research-soft);
}


.research-map {
    position: relative;
    min-height: 650px;
    max-width: 1060px;
    margin: 30px auto 0;
}


.map-center {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);

    width: 180px;
    height: 180px;

    border-radius: 50%;

    display: grid;
    place-items: center;
    text-align: center;

    background: var(--research-navy);
    color: #fff;

    font-weight: 900;
    line-height: 1.25;

    box-shadow:
        0 15px 35px rgba(11,45,77,.2);

    z-index: 3;
}


.map-line {
    position: absolute;
    left: 50%;
    top: 50%;

    height: 1px;
    width: 290px;

    background: #b9ced7;

    transform-origin: left center;

    z-index: 1;
}


.line-1 {
    transform: rotate(-165deg);
}


.line-2 {
    transform: rotate(-140deg);
}


.line-3 {
    transform: rotate(-115deg);
}


.line-4 {
    transform: rotate(-75deg);
}


.line-5 {
    transform: rotate(-40deg);
}


.line-6 {
    transform: rotate(-15deg);
}


.line-7 {
    transform: rotate(18deg);
}


.line-8 {
    transform: rotate(45deg);
}


.map-card {
    position: absolute;
    z-index: 2;

    width: 235px;
    padding: 18px;

    background: #fff;

    border: 1px solid var(--research-line);

    box-shadow:
        0 7px 22px rgba(27,61,82,.07);
}


.map-card strong {
    display: block;
    color: var(--research-navy);
    font-size: .98rem;
    margin-bottom: 5px;
}


.map-card small {
    display: block;
    color: var(--research-muted);
    line-height: 1.45;
}


.card-1 {
    left: 0;
    top: 95px;
    border-top: 4px solid var(--research-teal);
}


.card-2 {
    left: 25px;
    top: 285px;
}


.card-3 {
    left: 120px;
    bottom: 20px;
}


.card-4 {
    right: 20px;
    top: 85px;
}


.card-5 {
    right: 0;
    top: 270px;
}


.card-6 {
    right: 105px;
    bottom: 15px;
}


.card-7 {
    left: 50%;
    transform: translateX(-50%);
    top: 0;
}


.card-8 {
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
}


.card-9 {
    left: 50%;
    transform: translate(-50%, -50%);
    top: 50%;
    margin-top: 155px;
    display: none;
}


.landscape-note {
    max-width: 850px;
    margin: 35px auto 0;
    text-align: center;
    color: var(--research-muted);
    line-height: 1.7;
}


/* =========================================================
   IMPLEMENTATION RESEARCH
   ========================================================= */

.implementation-section {
    background: #e8f4f5;
    padding: 100px 0;
}


.implementation-grid {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: 80px;
    align-items: center;
}


.implementation-copy h2 {
    margin-bottom: 18px;
}


.gateway-quote {
    margin-top: 28px;
    padding: 20px 24px;

    border-left: 4px solid var(--research-teal);

    background: rgba(255,255,255,.62);

    color: var(--research-navy);

    line-height: 1.65;
    font-weight: 700;
}


.implementation-visual {
    min-height: 410px;
    position: relative;
    display: grid;
    place-items: center;
}


.cycle-ring {
    width: 300px;
    height: 300px;

    border: 2px dashed #73b9b8;
    border-radius: 50%;
}


.cycle-center {
    position: absolute;

    width: 120px;
    height: 120px;

    border-radius: 50%;

    background: var(--research-navy);
    color: #fff;

    display: grid;
    place-items: center;

    text-align: center;

    font-size: .8rem;
    font-weight: 900;
    line-height: 1.25;
}


.cycle-node {
    position: absolute;

    width: 104px;
    height: 104px;

    border-radius: 50%;

    background: #fff;

    border: 1px solid #bdd8d9;

    display: grid;
    place-items: center;

    text-align: center;

    color: var(--research-teal);

    font-size: .74rem;
    font-weight: 900;
}


.node-top {
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
}


.node-right {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}


.node-bottom {
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
}


.node-left {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
}


/* =========================================================
   RESOURCES
   ========================================================= */

.resources-section {
    padding: 100px 0;
}


.resource-grid {
    display: grid;
    grid-template-columns: repeat(2,1fr);
    gap: 18px;
}


.resource-card {
    padding: 28px;

    border: 1px solid var(--research-line);

    background: #fff;

    transition:
        transform .2s ease,
        box-shadow .2s ease;
}


.resource-card:hover {
    transform: translateY(-3px);
    box-shadow:
        0 12px 30px rgba(20,50,70,.08);
}


.resource-card.featured {
    grid-column: span 2;
    background: var(--research-navy);
    color: #fff;
}


.resource-card.featured h3,
.resource-card.featured p {
    color: #fff;
}


.resource-card.featured p {
    color: #cfdee6;
}


.resource-tag {
    display: block;

    color: var(--research-teal);

    font-size: .7rem;
    letter-spacing: .13em;
    font-weight: 900;

    margin-bottom: 12px;
}


.resource-card.featured .resource-tag {
    color: #a8e0df;
}


.resource-card h3 {
    margin: 0 0 10px;

    color: var(--research-navy);

    font-size: 1.3rem;
}


.resource-card p {
    margin: 0 0 20px;

    color: var(--research-muted);

    line-height: 1.65;
}


.resource-card a {
    color: var(--research-blue);

    font-weight: 800;

    text-decoration: none;
}


.resource-card.featured a {
    color: #fff;
}


/* =========================================================
   RESPONSIBLE RESEARCH
   ========================================================= */

.responsibility-section {
    background: var(--research-navy);
    color: #fff;

    padding: 95px 0;
}


.responsibility-grid {
    display: grid;
    grid-template-columns: 230px 1fr;
    gap: 70px;
    align-items: start;
}


.responsibility-grid h2 {
    color: #fff;
}


.responsibility-grid p {
    color: #cbd9e1;
}


.responsibility-badge {
    width: 190px;
    height: 190px;

    border-radius: 50%;

    border: 1px solid rgba(255,255,255,.25);

    display: grid;
    place-items: center;

    text-align: center;

    color: #b5e5e4;

    font-size: .82rem;
    font-weight: 900;
    letter-spacing: .08em;
    line-height: 1.4;
}


.responsibility-points {
    display: grid;
    grid-template-columns: repeat(2,1fr);

    gap: 1px;

    margin-top: 30px;

    background: rgba(255,255,255,.12);
}


.responsibility-points div {
    padding: 22px;
    background: var(--research-navy);
}


.responsibility-points strong {
    display: block;

    color: #aee1df;

    margin-bottom: 6px;
}


.responsibility-points span {
    color: #c9d7df;

    line-height: 1.55;
    font-size: .93rem;
}


/* =========================================================
   NEXT STEP
   ========================================================= */

.next-section {
    padding: 72px 0;
}


.next-card {
    display: flex;

    justify-content: space-between;

    gap: 40px;

    align-items: center;

    padding: 44px 50px;

    background: var(--research-soft);

    border: 1px solid var(--research-line);
}


.next-card h2 {
    font-size: 2.1rem;
    margin-bottom: 8px;
}


.next-card p {
    margin: 0;

    max-width: 700px;

    color: var(--research-muted);

    line-height: 1.65;
}


.primary-button {
    margin-top: 0;

    background: var(--research-navy);

    color: #fff;

    flex: 0 0 auto;
}


/* =========================================================
   FOOTER
   ========================================================= */

.site-footer {
    padding: 40px 5%;

    background: #071f35;

    color: #cbd9e1;

    display: flex;

    justify-content: space-between;

    gap: 30px;

    flex-wrap: wrap;

    line-height: 1.6;
}


.site-footer p {
    margin: 0;
}


.site-footer strong {
    color: #fff;
}


/* =========================================================
   RESPONSIVE — TABLET
   ========================================================= */

@media (max-width: 950px) {

    .intro-grid,
    .evidence-grid,
    .implementation-grid,
    .responsibility-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }


    .question-flow {
        grid-template-columns: 1fr;
    }


    .flow-arrow {
        transform: rotate(90deg);
        justify-self: center;
    }


    .question-checks {
        grid-template-columns: repeat(2,1fr);
    }


    .question-checks div:nth-child(2) {
        border-right: 0;
    }


    .question-checks div:nth-child(-n+2) {
        border-bottom: 1px solid rgba(255,255,255,.12);
    }


    .research-map {
        min-height: 980px;
    }


    .map-line {
        display: none;
    }


    .map-card {
        width: min(42%, 290px);
    }


    .card-1 {
        left: 0;
        top: 160px;
    }


    .card-2 {
        left: 0;
        top: 330px;
    }


    .card-3 {
        left: 0;
        bottom: 140px;
    }


    .card-4 {
        right: 0;
        top: 160px;
    }


    .card-5 {
        right: 0;
        top: 330px;
    }


    .card-6 {
        right: 0;
        bottom: 140px;
    }


    .card-7 {
        top: 0;
    }


    .card-8 {
        bottom: 0;
    }


    .map-center {
        top: 54%;
    }


    .responsibility-badge {
        margin: 0 auto;
    }


    .next-card {
        flex-direction: column;
        align-items: flex-start;
    }

}


/* =========================================================
   RESPONSIVE — MOBILE
   ========================================================= */

@media (max-width: 650px) {

    .research-hero {
        min-height: 590px;
    }


    .research-hero-overlay {
        background:
            rgba(5,30,49,.78);
    }


    .research-hero-content {
        padding: 70px 0;
    }


    .hero-lead {
        font-size: 1.2rem;
    }


    .intro-section,
    .evidence-section,
    .landscape-section,
    .implementation-section,
    .resources-section,
    .question-section,
    .responsibility-section {
        padding: 70px 0;
    }


    .question-checks,
    .resource-grid,
    .responsibility-points {
        grid-template-columns: 1fr;
    }


    .question-checks div {
        border-right: 0;
        border-bottom: 1px solid rgba(255,255,255,.12);
    }


    .resource-card.featured {
        grid-column: span 1;
    }


    .research-map {
        min-height: 1170px;
    }


    .map-card {
        position: absolute;

        width: calc(100% - 30px);

        left: 15px !important;
        right: auto !important;

        transform: none !important;
    }


    .card-1 {
        top: 155px;
    }


    .card-2 {
        top: 300px;
    }


    .card-3 {
        top: 445px;
        bottom: auto;
    }


    .card-4 {
        top: 590px;
    }


    .card-5 {
        top: 735px;
    }


    .card-6 {
        top: 880px;
        bottom: auto;
    }


    .card-7,
    .card-8 {
        display: none;
    }


    .map-center {
        top: 65px;

        width: 130px;
        height: 130px;
    }


    .cycle-ring {
        width: 245px;
        height: 245px;
    }


    .cycle-node {
        width: 82px;
        height: 82px;
    }


    .node-right {
        right: 0;
    }


    .node-left {
        left: 0;
    }


    .cycle-center {
        width: 100px;
        height: 100px;
    }


    .next-card {
        padding: 32px 25px;
    }


    .site-footer {
        flex-direction: column;
    }

}
```