.site-header { gap: 24px; }
.desktop-nav { gap: 28px; }
.mobile-menu { overflow-y: auto; }
.why-now-reasons { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.why-now-conviction { grid-column: 1 / -1; }
.human-safety, .research-overview { padding: 43px var(--gutter) 85px; }
.safety-heading, .research-overview-heading { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: clamp(32px, 7vw, 110px); align-items: end; }
.safety-heading .serif { font-size: clamp(2.75rem, 5.3vw, 5rem); line-height: 1.06; }
.safety-heading .serif em { color: #6a7559; }
.safety-heading > p { color: #545e48; font-size: 1.125rem; line-height: 1.6; }
.safety-principles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 35px; margin-top: 58px; }
.safety-principles article { border-top: 1px solid #bcc3af; padding-top: 22px; }
.safety-principles .eyebrow { color: #58684a; font-size: .8125rem; }
.safety-principles h3 { font-size: 1.5rem; line-height: 1.25; margin: 18px 0 15px; letter-spacing: -.025em; }
.safety-principles p, .safety-research-links p { font-size: 1rem; line-height: 1.65; color: #545e48; }
.safety-research-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 45px; margin-top: 60px; border-top: 1px solid #bcc3af; }
.safety-research-links > a { display: block; padding-top: 30px; }
.safety-research-links .eyebrow { font-size: .8125rem; color: #58684a; }
.safety-research-links h3 { font-family: var(--serif); font-size: clamp(1.875rem, 2.8vw, 2.75rem); letter-spacing: -.03em; margin: 16px 0; line-height: 1.12; }
.safety-research-links .text-link { margin-top: 20px; }
.safety-status { margin-top: 34px; font-size: .9375rem; line-height: 1.65; color: #58634e; max-width: 920px; }
.safety-example { margin-top: 45px; border-block: 1px solid #adb89d; }
.safety-example summary, .future-applications summary { display: flex; justify-content: space-between; align-items: center; gap: 24px; list-style: none; cursor: pointer; padding: 27px 0; }
.safety-example summary::-webkit-details-marker, .future-applications summary::-webkit-details-marker { display: none; }
.safety-example summary .eyebrow, .future-applications summary .eyebrow { display: block; font-size: .8125rem; margin-bottom: 10px; }
.safety-example summary strong, .future-applications summary strong { display: block; font-size: 1.5rem; font-weight: 400; line-height: 1.25; }
.safety-example summary > span:last-child, .future-applications summary > span:last-child { font-size: 1.875rem; line-height: 1; flex-shrink: 0; }
.safety-example[open] summary > span:last-child, .future-applications[open] summary > span:last-child { transform: rotate(45deg); }
.example-content { padding-bottom: 30px; }
.example-note { font-size: .9375rem; color: #58634e; line-height: 1.65; max-width: 750px; }
.example-content blockquote { margin: 30px 0; border-left: 2px solid #7e8a63; padding: 0 0 0 24px; max-width: 790px; font-family: var(--serif); font-size: clamp(1.625rem, 2.5vw, 2.375rem); line-height: 1.25; letter-spacing: -.02em; }
.example-steps { margin: 0; }
.example-steps > div { display: grid; grid-template-columns: minmax(140px, 1fr) minmax(0, 3fr); gap: 25px; padding: 20px 0; border-top: 1px solid #c4cbb9; }
.example-steps dt { font-size: 1rem; color: #334128; }
.example-steps dd { margin: 0; color: #545e48; font-size: 1rem; line-height: 1.65; }
.research-overview { background: #172015; }
.research-overview-heading { margin-bottom: 50px; }
.research-overview-heading h2 em { color: var(--gold); }
.research-overview-heading p { font-size: 1.0625rem; color: #bdc7b3; line-height: 1.65; }
.research-overview-heading .text-link { color: #eceddf; border-color: #9ba589; font-size: .9375rem; }
.research-summary-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 52px; }
.research-summary-card { display: grid; grid-template-columns: 28px minmax(0, 1fr); column-gap: 18px; row-gap: 12px; align-content: start; border-top: 1px solid #536046; padding: 27px 0 30px; scroll-margin-top: 40px; }
.research-summary-card > .eyebrow { color: var(--gold); padding-top: 3px; font-size: .8125rem; }
.research-summary-card h3 { font-size: 1.3125rem; line-height: 1.25; letter-spacing: -.02em; }
.research-summary-card p { grid-column: 2; font-size: 1rem; line-height: 1.55; color: #bdc7b3; }
.research-card-link { grid-column: 2; color: var(--gold); font-size: .875rem; margin-top: 5px; display: flex; gap: 20px; }
.research-summary-card:hover h3 { color: var(--gold); }
.research-invitation { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding: 35px 0; border-top: 1px solid #536046; }
.research-invitation > p { color: #c5cebc; font-size: 1.0625rem; max-width: 570px; }
.research-invitation .button { flex-shrink: 0; }
.future-applications { margin-top: 35px; border-block: 1px solid #536046; }
.future-applications summary .eyebrow, .future-applications summary > span:last-child { color: var(--gold); }
.future-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 35px; padding: 20px 0; }
.future-grid h3 { font-size: 1.3125rem; margin-bottom: 15px; }
.future-grid p { font-size: 1rem; color: #bdc7b3; line-height: 1.65; }
.future-note { color: #adb99e; font-size: .9375rem; line-height: 1.6; padding: 0 0 28px; }
.form-privacy a { text-decoration: underline; text-underline-offset: 3px; }
.footer-bottom > div { display: flex; flex-wrap: wrap; gap: 16px 24px; min-width: 0; }
@media(min-width:1800px) {
  .human-safety > *, .research-overview > * { max-width: 1600px; margin-inline: auto; }
}
@media(max-width:1000px) {
  .desktop-nav { gap: 20px; margin-left: 0; }
  .safety-heading, .research-overview-heading { grid-template-columns: 1fr; gap: 26px; }
  .safety-heading > p, .research-overview-heading > div { max-width: 740px; }
  .safety-principles { gap: 24px; }
}
@media(max-width:760px) {
  .safety-principles, .safety-research-links, .future-grid { grid-template-columns: 1fr; gap: 28px; }
  .safety-principles { margin-top: 38px; }
  .safety-research-links { margin-top: 38px; }
  .safety-research-links > a + a { border-top: 1px solid #bcc3af; }
  .research-summary-grid { column-gap: 25px; }
  .research-invitation { align-items: flex-start; flex-direction: column; }
  .human-safety, .research-overview { padding-top: 32px; padding-bottom: 60px; }
}
@media(max-width:540px) {
  .why-now-reasons { grid-template-columns: 1fr; }
  .safety-heading .serif { font-size: clamp(2.5rem, 10vw, 3.5rem); }
  .safety-heading > p { font-size: 1.0625rem; }
  .example-steps > div { grid-template-columns: 1fr; gap: 9px; }
  .research-summary-grid { grid-template-columns: 1fr; }
  .research-summary-card { grid-template-columns: 24px minmax(0, 1fr); column-gap: 14px; }
  .safety-example summary strong, .future-applications summary strong { font-size: 1.25rem; }
}