@font-face {
  font-family: "Open Sans";
  font-style: normal;
  font-weight: 300 800;
  font-display: swap;
  src: url("assets/fonts/open-sans-latin.woff2") format("woff2");
}

@font-face {
  font-family: "Open Sans";
  font-style: italic;
  font-weight: 300 800;
  font-display: swap;
  src: url("assets/fonts/open-sans-latin-italic.woff2") format("woff2");
}

* {
  box-sizing: border-box;
}

html {
  font-family: "Open Sans", sans-serif;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: #142332;
  background: #f3f7fa;
  font-family: inherit;
  font-size: 1rem;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  background:
    radial-gradient(circle at 8% 14%, rgba(0, 179, 190, 0.07), transparent 26rem),
    radial-gradient(circle at 92% 38%, rgba(42, 92, 170, 0.08), transparent 28rem),
    #f3f7fa;
}

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

a {
  color: inherit;
}

p,
ul,
ol {
  margin-top: 0;
}

h1,
h2,
h3 {
  margin-top: 0;
  color: #071a2d;
  font-weight: 750;
  line-height: 1.08;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.8rem, 7vw, 5.7rem);
  letter-spacing: -0.055em;
}

h2 {
  font-size: clamp(2rem, 4.2vw, 3.7rem);
  letter-spacing: -0.035em;
}

h3 {
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  letter-spacing: -0.02em;
}

:focus-visible {
  outline: 3px solid #32d4ce;
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  border-radius: 0.4rem;
  color: #071a2d;
  background: #ffffff;
  font-weight: 700;
  transform: translateY(-150%);
  transition: transform 160ms ease;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: #ffffff;
  background: rgba(5, 20, 35, 0.92);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  width: min(1180px, calc(100% - 2.5rem));
  min-height: 4.8rem;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  color: #ffffff;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 2.1rem;
  height: 2.1rem;
  padding: 0.36rem;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 0.6rem;
  background: linear-gradient(145deg, rgba(50, 212, 206, 0.25), rgba(41, 92, 170, 0.24));
  grid-template-columns: 1fr 1fr;
  gap: 0.22rem;
}

.brand-mark span {
  border-radius: 50%;
  background: #62e4df;
}

.brand-mark span:nth-child(2),
.brand-mark span:nth-child(3) {
  opacity: 0.45;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 1.7rem;
}

.desktop-nav a,
.mobile-nav a {
  color: #dce9f2;
  font-size: 0.9rem;
  font-weight: 650;
  letter-spacing: 0.025em;
  text-decoration: none;
}

.desktop-nav a:hover,
.mobile-nav a:hover {
  color: #65e7e1;
}

.header-cta {
  padding: 0.58rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
}

.mobile-menu {
  display: none;
}

.hero {
  position: relative;
  overflow: hidden;
  color: #dce9f2;
  background:
    linear-gradient(90deg, rgba(6, 25, 43, 0.98), rgba(7, 28, 48, 0.93)),
    #071a2d;
}

.hero::before {
  position: absolute;
  top: -16rem;
  right: -10rem;
  width: 42rem;
  height: 42rem;
  border: 1px solid rgba(83, 222, 215, 0.14);
  border-radius: 50%;
  box-shadow:
    0 0 0 5rem rgba(83, 222, 215, 0.025),
    0 0 0 10rem rgba(83, 222, 215, 0.018);
  content: "";
}

.hero::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, transparent, #32d4ce, transparent);
  opacity: 0.45;
}

.hero-inner {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 2.5rem));
  min-height: 620px;
  margin: 0 auto;
  padding: clamp(5rem, 9vw, 8rem) 0 5rem;
  align-content: center;
}

.eyebrow {
  display: flex;
  margin-bottom: 1.4rem;
  align-items: center;
  gap: 0.7rem;
  color: #60e0da;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 2.2rem;
  height: 1px;
  content: "";
  background: currentColor;
}

.hero h1 {
  max-width: 980px;
  margin-bottom: 1.7rem;
  color: #ffffff;
}

.hero h1 span {
  color: #65e7e1;
}

.hero-lede {
  max-width: 760px;
  margin-bottom: 2.1rem;
  color: #b9cbd8;
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
  line-height: 1.65;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

.button {
  display: inline-flex;
  min-height: 3rem;
  padding: 0.7rem 1.15rem;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  border: 1px solid transparent;
  border-radius: 0.55rem;
  color: #071a2d;
  background: #65e7e1;
  font-size: 0.92rem;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover {
  background: #87f1ec;
  transform: translateY(-2px);
}

.button.secondary {
  border-color: rgba(255, 255, 255, 0.25);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.04);
}

.button.secondary:hover {
  border-color: #65e7e1;
  background: rgba(101, 231, 225, 0.08);
}

.button.dark {
  color: #ffffff;
  background: #0a2946;
}

.button.dark:hover {
  background: #103b63;
}

.affiliation-strip {
  border-bottom: 1px solid #dce5eb;
  background: #ffffff;
}

.affiliation-inner {
  display: flex;
  width: min(1180px, calc(100% - 2.5rem));
  min-height: 7rem;
  margin: 0 auto;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.affiliation-copy {
  max-width: 34rem;
  margin: 0;
  color: #536778;
  font-size: 0.9rem;
}

.affiliation-logos {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.affiliation-logos img {
  width: 3.8rem;
  height: 3.8rem;
  border-radius: 0.5rem;
  object-fit: contain;
}

.section-shell {
  width: min(1180px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: clamp(5rem, 9vw, 8rem) 0;
}

.section-heading {
  display: grid;
  margin-bottom: 3rem;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.58fr);
  gap: 3rem;
  align-items: end;
}

.section-heading h2 {
  max-width: 750px;
  margin-bottom: 0;
}

.section-heading p {
  margin-bottom: 0.2rem;
  color: #526879;
  font-size: 1.05rem;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.research-card {
  display: flex;
  min-height: 100%;
  overflow: hidden;
  border: 1px solid #d8e2e9;
  border-radius: 0.9rem;
  background: #ffffff;
  box-shadow: 0 0.9rem 2.2rem rgba(20, 50, 72, 0.06);
  flex-direction: column;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.research-card:hover {
  border-color: #9bbecb;
  box-shadow: 0 1.4rem 3.2rem rgba(20, 50, 72, 0.11);
  transform: translateY(-5px);
}

.card-top {
  display: flex;
  min-height: 7.4rem;
  padding: 1.2rem;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  background: #eef5f7;
}

.card-top img {
  width: auto;
  max-width: 8.5rem;
  height: 3rem;
  padding: 0.35rem;
  border: 1px solid #d6e0e6;
  border-radius: 0.35rem;
  background: #ffffff;
  object-fit: contain;
}

.paper-number {
  color: #647d8e;
  font-size: 2rem;
  font-weight: 750;
  line-height: 1;
}

.card-body {
  display: flex;
  padding: 1.5rem;
  flex: 1;
  flex-direction: column;
}

.card-meta {
  margin-bottom: 0.8rem;
  color: #17777c;
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.card-body h3 {
  margin-bottom: 0.9rem;
}

.card-body p {
  color: #526879;
}

.card-insight {
  margin-top: auto;
  padding-top: 1.2rem;
  border-top: 1px solid #e2e9ed;
  color: #1d3447;
  font-size: 0.9rem;
  font-weight: 650;
}

.card-link {
  display: inline-flex;
  margin-top: 1.1rem;
  align-items: center;
  gap: 0.45rem;
  color: #0a6370;
  font-size: 0.88rem;
  font-weight: 800;
  text-decoration: none;
}

.card-link:hover {
  color: #071a2d;
}

.principles {
  color: #dce9f2;
  background: #071a2d;
}

.principles h2,
.principles h3 {
  color: #ffffff;
}

.principles .section-heading p {
  color: #9fb4c3;
}

.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.principle {
  min-height: 16rem;
  padding: 2rem;
  border-left: 1px solid rgba(255, 255, 255, 0.14);
}

.principle:first-child {
  border-left: 0;
}

.principle-index {
  display: block;
  margin-bottom: 3.8rem;
  color: #65e7e1;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.principle p {
  margin-bottom: 0;
  color: #9fb4c3;
}

.answer-grid {
  display: grid;
  grid-template-columns: minmax(16rem, 0.7fr) minmax(0, 1.3fr);
  gap: clamp(3rem, 7vw, 6rem);
}

.answer-intro {
  position: sticky;
  top: 7rem;
  align-self: start;
}

.answer-intro p {
  color: #526879;
}

.answer-list {
  border-top: 1px solid #ccd9e1;
}

.answer-list details {
  border-bottom: 1px solid #ccd9e1;
}

.answer-list summary {
  display: grid;
  padding: 1.35rem 0;
  color: #0a2946;
  cursor: pointer;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 700;
  grid-template-columns: 1fr auto;
  gap: 1rem;
  list-style: none;
}

.answer-list summary::-webkit-details-marker {
  display: none;
}

.answer-list summary::after {
  content: "+";
  color: #18878b;
  font-size: 1.5rem;
  font-weight: 400;
}

.answer-list details[open] summary::after {
  content: "−";
}

.answer-list details p {
  max-width: 48rem;
  margin-bottom: 1.4rem;
  color: #526879;
}

.team-section {
  border-top: 1px solid #dce5eb;
  background: #ffffff;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
}

.person-card {
  display: block;
  padding: 0.9rem;
  border: 1px solid #dce5eb;
  border-radius: 0.8rem;
  color: #142332;
  background: #f8fbfc;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease;
}

.person-card:hover {
  border-color: #8bbbc2;
  transform: translateY(-3px);
}

.person-card img {
  width: 100%;
  height: auto;
  margin-bottom: 1rem;
  border-radius: 0.5rem;
  aspect-ratio: 1 / 1;
  filter: saturate(0.86) contrast(1.03);
  object-fit: cover;
}

.person-name {
  display: block;
  color: #071a2d;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
}

.person-role {
  display: block;
  margin-top: 0.35rem;
  color: #627687;
  font-size: 0.75rem;
  line-height: 1.45;
}

.contact-band {
  background: #e6f1f3;
}

.contact-card {
  display: grid;
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid #c7dce0;
  border-radius: 1rem;
  background: #ffffff;
  box-shadow: 0 1.5rem 4rem rgba(20, 50, 72, 0.08);
  grid-template-columns: minmax(0, 1.15fr) minmax(18rem, 0.85fr);
  gap: 3rem;
  align-items: center;
}

.contact-card h2 {
  margin-bottom: 0.8rem;
}

.contact-card p {
  margin-bottom: 0;
  color: #526879;
}

.contact-links {
  display: grid;
  gap: 0.75rem;
}

.contact-links a {
  display: flex;
  padding: 0.9rem 1rem;
  border: 1px solid #d7e3e8;
  border-radius: 0.5rem;
  align-items: center;
  justify-content: space-between;
  color: #0a5461;
  background: #f8fbfc;
  font-size: 0.9rem;
  font-weight: 750;
  text-decoration: none;
}

.contact-links a:hover {
  border-color: #78b9bf;
}

.site-footer {
  color: #8fa6b7;
  background: #051423;
}

.footer-inner {
  display: grid;
  width: min(1180px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 2.3rem 0;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: center;
}

.footer-inner p {
  margin-bottom: 0;
  font-size: 0.82rem;
}

.footer-links {
  display: flex;
  gap: 1.2rem;
}

.footer-links a {
  color: #c2d0da;
  font-size: 0.82rem;
  text-decoration: none;
}

.footer-links a:hover {
  color: #65e7e1;
}

.paper-hero {
  color: #dce9f2;
  background:
    radial-gradient(circle at 85% 15%, rgba(70, 221, 214, 0.11), transparent 28rem),
    #071a2d;
}

.research-overview-hero {
  background:
    radial-gradient(circle at 83% 24%, rgba(101, 231, 225, 0.15), transparent 24rem),
    linear-gradient(120deg, #071a2d 0%, #0a2946 100%);
}

.research-overview-hero h1 {
  max-width: 850px;
}

.research-overview-lede {
  max-width: 790px;
  margin-bottom: 0;
  color: #bed0dc;
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
}

.research-path {
  border-bottom: 1px solid #d7e3e8;
  background: #ffffff;
}

.research-path-grid {
  display: grid;
  margin: 0;
  padding: 0;
  border: 1px solid #d4e1e7;
  border-radius: 0.9rem;
  background: #f7fafb;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  list-style: none;
}

.research-path-step {
  position: relative;
  min-height: 18rem;
  padding: 1.8rem;
}

.research-path-step + .research-path-step {
  border-left: 1px solid #d4e1e7;
}

.research-path-number {
  display: block;
  margin-bottom: 3rem;
  color: #82a0b1;
  font-size: 1.8rem;
  font-weight: 750;
  line-height: 1;
}

.research-path-label {
  margin-bottom: 0.7rem;
  color: #17777c;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.research-path-step h3 {
  margin-bottom: 0.8rem;
}

.research-path-step > p:last-child {
  margin-bottom: 0;
  color: #526879;
  font-size: 0.94rem;
}

.research-catalog {
  background: #edf4f7;
}

.paper-hero-inner {
  width: min(1180px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: clamp(4.5rem, 9vw, 7.5rem) 0;
}

.breadcrumb {
  display: flex;
  margin-bottom: 2rem;
  align-items: center;
  gap: 0.6rem;
  color: #8fa8b9;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.breadcrumb a {
  color: #65e7e1;
  text-decoration: none;
}

.paper-hero h1 {
  max-width: 980px;
  margin-bottom: 1.5rem;
  color: #ffffff;
  font-size: clamp(2.5rem, 6.4vw, 5rem);
}

.paper-authors {
  max-width: 800px;
  margin-bottom: 1.6rem;
  color: #b9cbd8;
  font-size: 1.05rem;
}

.paper-tags {
  display: flex;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
  gap: 0.6rem;
  list-style: none;
}

.paper-actions {
  margin-top: 1.8rem;
}

.study-snapshot {
  border-bottom: 1px solid #d7e3e8;
  background: #ffffff;
}

.study-snapshot-inner {
  display: grid;
  width: min(1180px, calc(100% - 2.5rem));
  margin: 0 auto;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.snapshot-item {
  min-height: 9.5rem;
  padding: 1.5rem;
  border-left: 1px solid #d7e3e8;
}

.snapshot-item:last-child {
  border-right: 1px solid #d7e3e8;
}

.snapshot-label {
  display: block;
  margin-bottom: 0.75rem;
  color: #17777c;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.snapshot-item strong {
  display: block;
  color: #173248;
  font-size: 0.95rem;
  line-height: 1.5;
}

.paper-tag {
  padding: 0.35rem 0.65rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  color: #c8d7e1;
  font-size: 0.72rem;
  font-weight: 750;
}

.paper-shell {
  display: grid;
  width: min(1180px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 7rem) 0;
  grid-template-columns: minmax(0, 48rem) 19rem;
  justify-content: space-between;
  gap: clamp(2.5rem, 4vw, 4rem);
}

.paper-body {
  width: 100%;
  max-width: 48rem;
  min-width: 0;
}

.paper-body section {
  margin-bottom: 3.5rem;
}

.paper-body section:last-child {
  margin-bottom: 0;
}

.paper-body h2 {
  margin-bottom: 1.2rem;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
}

.paper-body h3 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.paper-body p,
.paper-body li {
  color: #405768;
  font-size: 1.04rem;
}

.paper-body li {
  margin-bottom: 0.65rem;
  padding-left: 0.3rem;
}

.paper-body strong {
  color: #142e43;
}

.abstract {
  padding-left: 1.4rem;
  border-left: 3px solid #2abdb8;
  color: #254256;
  font-size: 1.13rem;
}

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

.finding {
  padding: 1.25rem;
  border: 1px solid #d6e2e8;
  border-radius: 0.7rem;
  background: #ffffff;
}

.finding strong {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 1.1rem;
}

.finding p {
  margin-bottom: 0;
  font-size: 0.92rem;
}

.method-steps {
  display: grid;
  margin-top: 1.5rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.method-step {
  padding: 1.3rem;
  border-top: 3px solid #2abdb8;
  background: #eaf2f5;
}

.step-number {
  display: block;
  margin-bottom: 1.6rem;
  color: #17777c;
  font-size: 0.75rem;
  font-weight: 850;
  letter-spacing: 0.1em;
}

.method-step h3 {
  margin-bottom: 0.55rem;
  font-size: 1.15rem;
}

.method-step p {
  margin-bottom: 0;
  font-size: 0.92rem;
}

.insight-callout {
  padding: clamp(1.5rem, 4vw, 2.2rem);
  border: 1px solid #bcdadd;
  border-radius: 0.8rem;
  background: #e5f3f3;
}

.insight-callout h3 {
  margin-bottom: 0.7rem;
}

.insight-callout p:last-child {
  margin-bottom: 0;
}

.paper-sidebar {
  position: sticky;
  top: 7rem;
  height: max-content;
}

.paper-sidebar-card {
  padding: 1.25rem;
  border: 1px solid #d2dfe6;
  border-radius: 0.75rem;
  background: #ffffff;
  box-shadow: 0 1rem 2.5rem rgba(20, 50, 72, 0.06);
}

.paper-sidebar-card + .paper-sidebar-card {
  margin-top: 1rem;
}

.paper-sidebar h2 {
  margin-bottom: 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.resource-links {
  display: grid;
  gap: 0.55rem;
}

.resource-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  color: #0b6470;
  font-size: 0.86rem;
  font-weight: 750;
  text-decoration: none;
}

.resource-links a:hover {
  color: #071a2d;
}

.citation {
  padding: 1.2rem;
  overflow-wrap: anywhere;
  border: 1px solid #cedce4;
  border-radius: 0.65rem;
  color: #334c5e;
  background: #edf4f6;
  font-size: 0.8rem;
  line-height: 1.65;
}

.video-card {
  position: relative;
  display: grid;
  width: 100%;
  overflow: hidden;
  border-radius: 0.8rem;
  aspect-ratio: 16 / 9;
  color: #ffffff;
  background: #071a2d;
  text-decoration: none;
  isolation: isolate;
}

.video-card::after {
  z-index: 1;
  content: "";
  background: linear-gradient(90deg, rgba(7, 26, 45, 0.92), rgba(7, 26, 45, 0.42) 62%, rgba(7, 26, 45, 0.12));
  grid-area: 1 / 1;
}

.video-card img {
  width: 100%;
  height: 100%;
  transition: transform 240ms ease;
  grid-area: 1 / 1;
  object-fit: cover;
}

.video-card-content {
  z-index: 2;
  display: flex;
  padding: clamp(1.5rem, 5vw, 3rem);
  align-items: center;
  align-self: end;
  gap: 1rem;
  grid-area: 1 / 1;
}

.video-play {
  display: grid;
  width: 3.5rem;
  height: 3.5rem;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: #071a2d;
  background: #65e7e1;
  font-size: 1rem;
  text-indent: 0.15em;
  transition: background 160ms ease, transform 160ms ease;
}

.video-card strong,
.video-meta {
  display: block;
}

.video-card strong {
  color: #ffffff;
  font-size: clamp(1rem, 2.2vw, 1.35rem);
}

.video-meta {
  margin-top: 0.2rem;
  color: #c5d5df;
  font-size: 0.85rem;
}

.video-card:hover img {
  transform: scale(1.025);
}

.video-card:hover .video-play {
  background: #87f1ec;
  transform: scale(1.06);
}

.video-card:focus-visible {
  outline: 3px solid #17777c;
  outline-offset: 4px;
}

.next-research {
  border-top: 1px solid #d8e3e9;
  background: #eaf2f5;
}

.next-research-inner {
  display: flex;
  width: min(1180px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: 2.4rem 0;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.next-research p {
  margin-bottom: 0;
  color: #567082;
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.next-research a {
  color: #0a5461;
  font-size: 1.2rem;
  font-weight: 700;
  text-align: right;
  text-decoration: none;
}

.next-research a:hover {
  color: #071a2d;
}

@media (max-width: 960px) {
  .desktop-nav {
    display: none;
  }

  .mobile-menu {
    position: relative;
    display: block;
  }

  .mobile-menu summary {
    padding: 0.45rem 0.7rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 0.4rem;
    cursor: pointer;
    font-size: 0.82rem;
    font-weight: 750;
    list-style: none;
  }

  .mobile-menu summary::-webkit-details-marker {
    display: none;
  }

  .mobile-nav {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    display: grid;
    width: 13rem;
    padding: 0.7rem;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 0.6rem;
    background: #0a2946;
    box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.3);
    gap: 0.25rem;
  }

  .mobile-nav a {
    padding: 0.6rem;
  }

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

  .research-grid,
  .research-path-grid,
  .principle-grid {
    grid-template-columns: 1fr;
  }

  .research-path-step {
    min-height: auto;
  }

  .research-path-step + .research-path-step {
    border-top: 1px solid #d4e1e7;
    border-left: 0;
  }

  .research-path-number {
    margin-bottom: 1.8rem;
  }

  .principle {
    min-height: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    border-left: 0;
  }

  .principle:first-child {
    border-top: 0;
  }

  .principle-index {
    margin-bottom: 2rem;
  }

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

  .paper-shell {
    grid-template-columns: 1fr;
  }

  .study-snapshot-inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .snapshot-item:nth-child(odd) {
    border-left: 1px solid #d7e3e8;
  }

  .snapshot-item:nth-child(even) {
    border-right: 1px solid #d7e3e8;
  }

  .paper-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .paper-sidebar-card + .paper-sidebar-card {
    margin-top: 0;
  }
}

@media (max-width: 700px) {
  body {
    font-size: 0.97rem;
  }

  .header-inner,
  .hero-inner,
  .affiliation-inner,
  .section-shell,
  .footer-inner,
  .paper-hero-inner,
  .paper-shell,
  .next-research-inner {
    width: min(100% - 1.5rem, 1180px);
  }

  .hero-inner {
    padding-top: 4rem;
  }

  .section-heading,
  .answer-grid,
  .contact-card {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .section-heading {
    margin-bottom: 2.2rem;
  }

  .answer-intro {
    position: static;
  }

  .affiliation-inner {
    padding: 1.2rem 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .finding-grid,
  .method-steps,
  .paper-sidebar {
    grid-template-columns: 1fr;
  }

  .study-snapshot-inner {
    width: min(100% - 1.5rem, 1180px);
    grid-template-columns: 1fr;
  }

  .snapshot-item,
  .snapshot-item:nth-child(odd),
  .snapshot-item:nth-child(even),
  .snapshot-item:last-child {
    min-height: auto;
    border-right: 1px solid #d7e3e8;
    border-left: 1px solid #d7e3e8;
  }

  .snapshot-item + .snapshot-item {
    border-top: 1px solid #d7e3e8;
  }

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

  .footer-inner,
  .next-research-inner {
    grid-template-columns: 1fr;
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-links {
    flex-wrap: wrap;
  }

  .next-research a {
    text-align: left;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}