.research-directions { background: #f6f8f2; }
.research-directions .rd-hero { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: clamp(28px, 5vw, 76px); align-items: center; padding: 30px 6% 32px; border-bottom: 1px solid #d8e2d0; }
.research-directions .rd-photo { min-width: 0; margin: 0; padding: 18px 22px 12px; background: #fff; border: 1px solid #dce5d5; }
.research-directions .rd-photo img { display: block; width: 100%; height: 280px; object-fit: contain; }
.research-directions .rd-photo figcaption { margin-top: 10px; padding-top: 10px; border-top: 1px solid #e2e9dc; color: var(--muted); font-size: 10px; line-height: 1.65; letter-spacing: 1.6px; }
.research-directions .rd-heading { min-width: 0; }
.research-directions .rd-heading h1 { margin: 15px 0 17px; font-size: clamp(32px, 3.2vw, 48px); font-weight: 500; line-height: 1.32; letter-spacing: -1px; text-wrap: balance; overflow-wrap: anywhere; }
.research-directions .rd-heading > p { margin: 0; max-width: 620px; color: var(--muted); font-size: 15px; line-height: 1.85; }
.research-directions .rd-reading { max-width: 1080px; margin: 0 auto; padding: 16px 6% 28px; }
.research-directions .rd-reading h2 { margin: 25px 0 12px; font-size: 23px; font-weight: 500; line-height: 1.5; letter-spacing: -.3px; text-wrap: balance; }
.research-directions .rd-reading h3 { margin: 20px 0 9px; font-size: 17px; font-weight: 500; line-height: 1.55; }
.research-directions .rd-reading p { margin: 0 0 12px; color: var(--muted); font-size: 15px; line-height: 1.95; overflow-wrap: anywhere; }
.research-directions .rd-anchor { display: block; height: 0; visibility: hidden; scroll-margin-top: 96px; }
.research-directions .rd-references { padding: 28px 6% 38px; border-top: 1px solid #d8e2d0; }
.research-directions .rd-references > h2 { margin: 12px 0; font-size: clamp(25px, 2.5vw, 34px); font-weight: 500; line-height: 1.5; text-wrap: balance; }
.research-directions .rd-references > .compact-note { max-width: 860px; }
.research-directions .rd-references > .textlink { margin-top: 20px; }
.research-directions .rd-literature-link { padding: 0 6% 34px; }
.research-directions .reference-grid { min-width: 0; }
.research-directions .reference-card { min-width: 0; overflow-wrap: anywhere; }
@media (max-width: 850px) {
 .research-directions .rd-hero { gap: 28px; }
 .research-directions .rd-photo { padding: 14px; }
 .research-directions .rd-photo img { height: 260px; }
 .research-directions .rd-heading h1 { font-size: clamp(30px, 4.1vw, 38px); }
 .research-directions .rd-reading { padding-top: 10px; }
}
@media (max-width: 650px) {
 .research-directions .rd-hero { grid-template-columns: minmax(0, 1fr); gap: 23px; padding-top: 23px; padding-bottom: 25px; }
 .research-directions .rd-heading { grid-row: 1; }
 .research-directions .rd-heading h1 { max-width: 100%; margin: 12px 0 13px; font-size: clamp(29px, 7.4vw, 36px); letter-spacing: -.6px; }
 .research-directions .rd-heading > p { font-size: 14px; line-height: 1.8; }
 .research-directions .rd-photo img { height: 260px; }
 .research-directions .rd-reading { padding-top: 6px; padding-bottom: 21px; }
 .research-directions .rd-reading h2 { margin-top: 23px; font-size: 21px; }
 .research-directions .rd-reading h3 { font-size: 16px; }
 .research-directions .rd-reading p { font-size: 14px; line-height: 1.9; }
 .research-directions .rd-references { padding-top: 24px; padding-bottom: 30px; }
 .research-directions .rd-references > h2 { font-size: 25px; }
}