.research-page {
    max-width: 100%;
    padding-bottom: 1.5rem;
}

.research-hero {
    border: none;
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #123d72 0%, #003366 55%, #1c5ea5 100%);
    color: #fff;
    box-shadow: 0 12px 40px rgba(15, 34, 58, 0.1);
}

.research-hero__inner {
    padding: 1.75rem 1.5rem 1.5rem;
    position: relative;
}

@media (min-width: 768px) {
    .research-hero__inner {
        padding: 2.25rem 2rem 2rem;
    }
}

.research-hero__kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.92);
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.22);
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    margin-bottom: 0.85rem;
}

.research-hero__title {
    margin: 0 0 0.65rem;
    font-size: clamp(1.25rem, 2.75vw, 1.68rem);
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

.research-hero__lead {
    max-width: 42rem;
    font-size: 0.98rem;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.research-main-card {
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    overflow: hidden;
}

.research-main-card > .card-body {
    padding: 0;
}

.research-layout {
    display: flex;
    flex-direction: column;
}

.research-layout__nav {
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    border-bottom: 1px solid #e2e8f0;
}

@media (min-width: 992px) {
    .research-layout__nav {
        border-bottom: 1px solid #e2e8f0;
        border-right: 0;
        padding: 0;
    }
}

.research-nav-scroll {
    display: flex;
    gap: 0.4rem;
    padding: 0.85rem;
    overflow-x: auto;
}

@media (min-width: 992px) {
    .research-nav-scroll {
        flex-direction: row;
        flex-wrap: wrap;
        overflow: visible;
        padding: 0.85rem;
    }
}

.research-nav-btn {
    border: 1px solid transparent;
    border-radius: 10px;
    background: #fff;
    color: #334155;
    text-decoration: none;
    font-size: 0.83rem;
    font-weight: 600;
    padding: 0.58rem 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    white-space: nowrap;
}

.research-nav-btn:hover {
    border-color: #cbd5e1;
    color: #0057b7;
    text-decoration: none;
}

.research-nav-btn:focus,
.research-nav-btn:active,
.research-nav-btn:visited {
    text-decoration: none;
}

.research-nav-btn.active {
    background: linear-gradient(135deg, #0d4a8c 0%, #003366 100%);
    color: #fff;
    border-color: #003366;
}

@media (min-width: 992px) {
    .research-nav-btn {
        width: auto;
        justify-content: center;
        white-space: nowrap;
    }
}

.research-links-card {
    margin: 0 0.85rem 0.85rem;
    border: 1px solid #dce4ef;
    border-radius: 12px;
    background: #fff;
}

@media (min-width: 992px) {
    .research-links-card {
        margin: 0.85rem 0 0;
    }
}

.research-links-card__title {
    padding: 0.65rem 0.8rem;
    border-bottom: 1px solid #e8eef6;
    color: #003366;
    font-size: 0.84rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.research-links-list {
    list-style: none;
    margin: 0;
    padding: 0.55rem 0.8rem 0.7rem;
}

.research-links-list li {
    margin-bottom: 0.45rem;
}

.research-links-list li:last-child {
    margin-bottom: 0;
}

.research-links-list a {
    color: #334155;
    text-decoration: none;
    font-size: 0.85rem;
}

.research-links-list a:hover {
    color: #0057b7;
    text-decoration: underline;
}

.research-layout__content {
    flex: 1;
    min-width: 0;
}

.research-tab-content {
    padding: 1.2rem 1.1rem 1.4rem;
}

@media (min-width: 768px) {
    .research-tab-content {
        padding: 1.6rem 1.8rem 1.9rem;
    }
}

.research-prose {
    color: #334155;
    line-height: 1.72;
    font-size: 0.95rem;
}

.research-prose p {
    margin-bottom: 0.95rem;
}

.research-subtitle {
    margin: 1.2rem 0 0.7rem;
    color: #003366;
    font-size: 1rem;
    font-weight: 700;
}

.research-areas-list {
    margin: 0;
    padding-left: 1.1rem;
}

.research-areas-list li {
    margin-bottom: 0.3rem;
}

.research-lab-card {
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    background: #fbfdff;
    padding: 0.8rem 0.9rem;
}

.research-lab-card h3 {
    margin: 0 0 0.45rem;
    font-size: 0.9rem;
    font-weight: 700;
    color: #1e293b;
    line-height: 1.4;
}

.research-lab-card a {
    text-decoration: none;
    font-size: 0.84rem;
    color: #0057b7;
    font-weight: 600;
}

.research-lab-card a:hover {
    text-decoration: underline;
}

.research-labs-accordion {
    --bs-accordion-border-color: #e2e8f0;
    --bs-accordion-btn-bg: #f8fbff;
    --bs-accordion-active-bg: linear-gradient(135deg, #0d4a8c 0%, #003366 100%);
    --bs-accordion-active-color: #ffffff;
    --bs-accordion-btn-focus-border-color: #90b4df;
    --bs-accordion-btn-focus-box-shadow: 0 0 0 0.16rem rgba(0, 87, 183, 0.18);
    border-radius: 12px;
    overflow: hidden;
}

.research-labs-accordion .accordion-item {
    border-left: 1px solid #e2e8f0;
    border-right: 1px solid #e2e8f0;
}

.research-labs-accordion .accordion-button {
    font-size: 0.93rem;
    font-weight: 700;
    color: #1e293b;
    line-height: 1.4;
    padding: 0.85rem 1rem;
}

.research-labs-accordion .accordion-button:not(.collapsed) {
    color: #ffffff !important;
    background: linear-gradient(135deg, #0d4a8c 0%, #003366 100%);
}

.research-labs-accordion .accordion-button:not(.collapsed)::after {
    filter: brightness(0) invert(1);
}

.research-labs-accordion .accordion-body {
    padding: 0.95rem 1rem 1.05rem;
    background: #fff;
}

.research-labs-accordion .accordion-body p:last-of-type {
    margin-bottom: 0.75rem;
}

.research-lab-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.research-lab-links a {
    display: inline-flex;
    align-items: center;
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 600;
    color: #0057b7;
    border: 1px solid #bfd3ea;
    background: #f7fbff;
    border-radius: 999px;
    padding: 0.28rem 0.62rem;
}

.research-lab-links a:hover {
    text-decoration: underline;
}