:root {
  --portfolio-bg: #fbfcff;
  --portfolio-surface: #ffffff;
  --portfolio-surface-soft: #f7f9fd;
  --portfolio-text: #0a1433;
  --portfolio-muted: #526079;
  --portfolio-faint: #788397;
  --portfolio-line: #e2e7f0;
  --portfolio-primary: #2448e8;
  --portfolio-primary-soft: #edf1ff;
  --portfolio-purple: #6544d8;
  --portfolio-green: #2e9b4f;
  --portfolio-blue: #335bd8;
  --portfolio-orange: #e58a2f;
  --portfolio-shadow: 0 4px 16px rgba(24, 37, 68, 0.08);
  --portfolio-shadow-hover: 0 12px 30px rgba(24, 37, 68, 0.13);
}

:root[data-theme="dark"] {
  --portfolio-bg: #0b1120;
  --portfolio-surface: #131b2d;
  --portfolio-surface-soft: #10182a;
  --portfolio-text: #f3f6ff;
  --portfolio-muted: #b6c0d5;
  --portfolio-faint: #8995ad;
  --portfolio-line: #28334a;
  --portfolio-primary: #7692ff;
  --portfolio-primary-soft: #1d2b57;
  --portfolio-shadow: 0 5px 18px rgba(0, 0, 0, 0.2);
  --portfolio-shadow-hover: 0 14px 34px rgba(0, 0, 0, 0.34);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body.portfolio-page {
  min-height: 100vh;
  margin: 0 !important;
  padding: 0 !important;
  color: var(--portfolio-text) !important;
  background: var(--portfolio-bg) !important;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif !important;
  font-size: 15px;
  line-height: 1.55;
  transition: color 0.2s ease, background 0.2s ease;
}

.portfolio-page *,
.portfolio-page *::before,
.portfolio-page *::after {
  box-sizing: border-box;
}

.portfolio-page h1,
.portfolio-page h2,
.portfolio-page h3,
.portfolio-page h4,
.portfolio-page p,
.portfolio-page li,
.portfolio-page a,
.portfolio-page span,
.portfolio-page div {
  font-family: inherit !important;
}

.portfolio-page a {
  color: var(--portfolio-primary);
  text-decoration: none;
}

.portfolio-page a:hover {
  color: var(--portfolio-primary);
  text-decoration: none;
}

.topbar {
  position: sticky !important;
  z-index: 1000;
  top: 0 !important;
  float: none !important;
  width: 100% !important;
  padding: 0 !important;
  color: var(--portfolio-text);
  background: color-mix(in srgb, var(--portfolio-bg) 90%, transparent);
  border-bottom: 1px solid transparent;
  text-align: left !important;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.topbar-inner,
.portfolio-main,
.site-footer {
  width: min(1440px, calc(100% - 72px));
  margin: 0 auto;
}

.topbar-inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 30px;
  align-items: center;
  min-height: 76px;
}

.site-brand {
  color: var(--portfolio-text) !important;
  font-size: 1.45rem !important;
  font-weight: 750;
  letter-spacing: -0.035em;
}

.site-navigation {
  display: flex;
  gap: clamp(24px, 3.1vw, 48px);
  align-items: center;
}

.site-navigation a {
  position: relative;
  padding: 27px 0 23px;
  color: var(--portfolio-text) !important;
  font-size: 0.88rem !important;
  font-weight: 520;
}

.site-navigation a::after {
  position: absolute;
  right: 0;
  bottom: 17px;
  left: 0;
  height: 2px;
  background: var(--portfolio-primary);
  content: "";
  opacity: 0;
  transform: scaleX(0.3);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.site-navigation a:hover,
.site-navigation a.active {
  color: var(--portfolio-primary) !important;
}

.site-navigation a:hover::after,
.site-navigation a.active::after {
  opacity: 1;
  transform: scaleX(1);
}

.theme-toggle,
.nav-toggle {
  border: 0;
  color: var(--portfolio-text);
  background: transparent;
  cursor: pointer;
}

.theme-toggle {
  display: flex;
  gap: 9px;
  align-items: center;
  padding: 9px 4px;
  font-size: 1rem;
}

.theme-toggle .theme-icon {
  display: grid;
  width: 32px;
  height: 32px;
  color: var(--portfolio-text) !important;
  border-radius: 50%;
  background: var(--portfolio-surface-soft);
  place-items: center;
}

.theme-disc {
  position: relative;
  display: block;
  width: 16px;
  height: 16px;
  overflow: hidden;
  color: var(--portfolio-text) !important;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.theme-disc::after {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 50%;
  background: currentColor;
  content: "";
}

.nav-toggle {
  display: none;
}

.portfolio-main {
  display: block;
  padding: 0 !important;
}

.portfolio-page .portfolio-main > section {
  float: none !important;
  width: auto !important;
  margin-right: 0 !important;
  margin-left: 0 !important;
}

.portfolio-page footer {
  position: static !important;
  bottom: auto !important;
  float: none !important;
  width: auto;
  text-align: left;
}

.hero-section {
  display: grid;
  grid-template-columns: minmax(420px, 0.78fr) minmax(700px, 1.22fr);
  gap: clamp(38px, 4vw, 68px);
  align-items: start;
  min-height: 0;
  padding: 48px 10px 42px;
}

.hero-copy {
  padding-top: 35px;
}

.hero-copy h1 {
  margin: 0 0 3px;
  color: var(--portfolio-text) !important;
  font-size: clamp(4rem, 5.2vw, 5.35rem) !important;
  font-weight: 780 !important;
  letter-spacing: -0.065em;
  line-height: 1.02;
}

.hero-role {
  margin: 0 0 13px;
  color: var(--portfolio-primary) !important;
  font-size: clamp(1.45rem, 2vw, 1.85rem) !important;
  font-weight: 680;
  line-height: 1.2;
}

.hero-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: 23px;
}

.hero-topics span {
  display: inline-flex;
  align-items: center;
  color: var(--portfolio-text) !important;
  font-size: 0.92rem !important;
  white-space: nowrap;
}

.hero-topics span:not(:last-child)::after {
  width: 4px;
  height: 4px;
  margin: 0 13px;
  background: var(--portfolio-primary);
  border-radius: 50%;
  content: "";
}

.hero-summary {
  max-width: 590px;
  margin: 0 0 12px;
  color: var(--portfolio-muted) !important;
  font-size: 1.03rem !important;
  line-height: 1.58;
}

.hero-background {
  max-width: 610px;
  margin: 0 0 24px;
  color: var(--portfolio-muted) !important;
  font-size: 0.88rem !important;
  line-height: 1.55;
}

.hero-background a {
  color: var(--portfolio-text) !important;
  font-size: inherit !important;
  font-weight: 620;
}

.hero-background a:hover {
  color: var(--portfolio-primary) !important;
}

.hero-socials {
  display: flex;
  flex-wrap: wrap;
  gap: 25px;
  align-items: center;
}

.hero-socials a {
  display: inline-flex;
  gap: 9px;
  align-items: center;
  color: var(--portfolio-text) !important;
  font-size: 0.9rem !important;
}

.hero-socials a:hover {
  color: var(--portfolio-primary) !important;
}

.hero-socials a span,
.section-heading-row > a span {
  color: currentColor !important;
}

.hero-socials i {
  width: 23px;
  color: currentColor;
  font-size: 1.25rem;
  text-align: center;
}

.hero-featured {
  min-width: 0;
}

.hero-featured .section-heading-row {
  margin-bottom: 12px;
}

.hero-featured .section-heading-row h2 {
  font-size: 1.12rem !important;
}

.hero-featured .featured-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.hero-featured .featured-card {
  display: flex;
  min-height: 0;
  flex-direction: column;
}

.hero-featured .featured-media {
  width: 100%;
  height: 160px;
  min-height: 160px;
  padding: 12px;
  border-right: 0;
  border-bottom: 1px solid var(--portfolio-line);
}

.hero-featured .featured-badge {
  top: 8px;
  left: 8px;
  font-size: 0.58rem !important;
}

.hero-featured .featured-body {
  padding: 12px 13px 4px;
}

.hero-featured .featured-body h3 {
  margin-bottom: 4px;
  font-size: 0.88rem !important;
}

.hero-featured .featured-summary {
  font-size: 0.72rem !important;
  line-height: 1.4;
}

.hero-featured .featured-paper-title {
  display: -webkit-box;
  overflow: hidden;
  margin-top: 6px;
  font-size: 0.62rem !important;
  line-height: 1.32;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.hero-featured .featured-footer {
  gap: 7px;
  padding: 7px 13px 11px;
}

.hero-featured .featured-footer > span,
.hero-featured .featured-footer a {
  font-size: 0.62rem !important;
}

.hero-featured .featured-footer div {
  gap: 8px;
}

.multimodal-visual {
  min-width: 0;
  padding: 8px 0;
}

.multimodal-map {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.multimodal-map .world-glow {
  fill: url(#world-surface);
}

.multimodal-map .world-orbit {
  fill: none;
  stroke: color-mix(in srgb, #7774e8 16%, transparent);
  stroke-width: 1.2;
}

.multimodal-map .orbit-dashed {
  stroke-dasharray: 4 7;
  stroke-width: 1.5;
}

.multimodal-map .orbit-inner {
  stroke: color-mix(in srgb, #7774e8 10%, transparent);
}

.multimodal-map .orbit-dot {
  fill: color-mix(in srgb, #7774e8 52%, var(--portfolio-surface));
}

.multimodal-map .map-connectors path {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.5;
}

.multimodal-map .input-connector {
  stroke: #5a5ce6;
}

.multimodal-map .align-line {
  stroke: #5552e8;
}

.multimodal-map .understand-line {
  stroke: #59bda0;
}

.multimodal-map .reason-line {
  stroke: #f19a38;
}

.multimodal-map .generate-line {
  stroke: #5790df;
}

.multimodal-map .map-connectors .arrow-tip {
  stroke: none;
}

.multimodal-map .align-tip {
  fill: #5552e8;
}

.multimodal-map .understand-tip {
  fill: #59bda0;
}

.multimodal-map .reason-tip {
  fill: #f19a38;
}

.multimodal-map .generate-tip {
  fill: #5790df;
}

.multimodal-map .input-dots circle {
  fill: #5a5ce6;
}

.multimodal-map .input-card > rect,
.multimodal-map .capability-card > rect {
  fill: var(--portfolio-surface);
  stroke: var(--portfolio-line);
  stroke-width: 1.2;
}

.multimodal-map text {
  fill: var(--portfolio-text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  font-weight: 680;
}

.multimodal-map .input-detail {
  fill: var(--portfolio-faint);
  font-size: 9.5px;
  font-weight: 520;
}

.multimodal-map .input-icon,
.multimodal-map .capability-icon {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.multimodal-map .input-icon {
  stroke: #5455e8;
}

.multimodal-map .input-icon circle {
  fill: color-mix(in srgb, var(--portfolio-primary) 28%, var(--portfolio-surface));
}

.multimodal-map .world-network path {
  fill: none;
  stroke: color-mix(in srgb, #5d5ce8 70%, var(--portfolio-line));
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.1;
}

.multimodal-map .world-network circle {
  fill: url(#model-core);
  stroke: var(--portfolio-surface);
  stroke-width: 1.8;
}

.multimodal-map .model-title {
  fill: var(--portfolio-text);
  font-size: 17px;
  font-weight: 750;
}

.multimodal-map .model-detail {
  fill: var(--portfolio-faint);
  font-size: 9.5px;
  font-weight: 520;
}

.multimodal-map .capability-card > rect {
  stroke-width: 1.3;
}

.multimodal-map .align-card > rect {
  fill: color-mix(in srgb, #6157ca 7%, var(--portfolio-surface));
  stroke: color-mix(in srgb, #6157ca 25%, var(--portfolio-line));
}

.multimodal-map .align-card .capability-icon {
  stroke: #5552e8;
}

.multimodal-map .understand-card > rect {
  fill: color-mix(in srgb, #2d9782 7%, var(--portfolio-surface));
  stroke: color-mix(in srgb, #2d9782 25%, var(--portfolio-line));
}

.multimodal-map .understand-card .capability-icon {
  stroke: #59bda0;
}

.multimodal-map .reason-card > rect {
  fill: color-mix(in srgb, #d18f2c 7%, var(--portfolio-surface));
  stroke: color-mix(in srgb, #d18f2c 25%, var(--portfolio-line));
}

.multimodal-map .reason-card .capability-icon {
  stroke: #f19a38;
}

.multimodal-map .generate-card > rect {
  fill: color-mix(in srgb, #3979bc 7%, var(--portfolio-surface));
  stroke: color-mix(in srgb, #3979bc 25%, var(--portfolio-line));
}

.multimodal-map .generate-card .capability-icon {
  stroke: #5790df;
}

.featured-section,
.content-section {
  padding: 27px 10px 34px;
  border-top: 1px solid var(--portfolio-line);
}

.section-heading-row {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: center;
  margin-bottom: 18px;
}

.section-heading-row h2 {
  margin: 0;
  color: var(--portfolio-text) !important;
  font-size: 1.28rem !important;
  font-weight: 740 !important;
  letter-spacing: -0.025em;
}

.section-heading-row > a {
  color: var(--portfolio-primary) !important;
  font-size: 0.78rem !important;
  font-weight: 600;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.featured-card {
  display: flex;
  min-width: 0;
  overflow: hidden;
  flex-direction: column;
  background: var(--portfolio-surface);
  border: 1px solid var(--portfolio-line);
  border-radius: 12px;
  box-shadow: var(--portfolio-shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.featured-card:hover {
  border-color: color-mix(in srgb, var(--portfolio-primary) 30%, var(--portfolio-line));
  box-shadow: var(--portfolio-shadow-hover);
  transform: translateY(-4px);
}

.featured-media {
  position: relative;
  display: block;
  overflow: hidden;
  height: 162px;
  padding: 13px;
  background: var(--portfolio-surface-soft);
  border-bottom: 1px solid var(--portfolio-line);
}

.featured-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  border-radius: 7px;
  object-fit: contain;
  transition: transform 0.25s ease;
}

.featured-card:hover .featured-media img {
  transform: scale(1.02);
}

.featured-badge {
  position: absolute;
  z-index: 2;
  top: 12px;
  left: 12px;
  padding: 3px 7px;
  color: #ffffff !important;
  background: var(--portfolio-purple);
  border-radius: 5px;
  font-size: 0.67rem !important;
  font-weight: 750;
  line-height: 1.3;
}

.featured-body {
  flex: 1;
  padding: 14px 15px 8px;
}

.featured-body h3 {
  margin: 0 0 5px;
  color: var(--portfolio-text) !important;
  font-size: 0.98rem !important;
  font-weight: 720;
  line-height: 1.3;
}

.featured-summary {
  margin: 0;
  color: var(--portfolio-text) !important;
  font-size: 0.79rem !important;
  line-height: 1.48;
}

.featured-paper-title {
  margin: 9px 0 0;
  color: var(--portfolio-muted) !important;
  font-size: 0.68rem !important;
  font-style: italic;
  line-height: 1.38;
}

.featured-footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  padding: 11px 15px 15px;
}

.featured-footer > span {
  color: var(--portfolio-muted) !important;
  font-size: 0.7rem !important;
  white-space: nowrap;
}

.featured-footer div {
  display: flex;
  gap: 14px;
}

.featured-footer a {
  color: var(--portfolio-primary) !important;
  font-size: 0.71rem !important;
  white-space: nowrap;
}

.featured-footer a i {
  margin-left: 3px;
  font-size: 0.56rem;
}

.credibility-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 27px 10px 33px;
  border-top: 1px solid var(--portfolio-line);
}

.credibility-item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 13px;
  min-width: 0;
  padding: 0 20px;
  border-right: 1px solid var(--portfolio-line);
}

.credibility-item:first-child {
  padding-left: 8px;
}

.credibility-item:last-child {
  padding-right: 0;
  border-right: 0;
}

.credibility-icon {
  display: grid;
  width: 48px;
  height: 48px;
  border-radius: 13px;
  font-size: 1.45rem;
  place-items: center;
}

.credibility-icon.purple { color: #6343d2; background: #f0eaff; }
.credibility-icon.green { color: #339a50; background: #eaf7eb; }
.credibility-icon.blue { color: #385cd4; background: #edf1ff; }
.credibility-icon.orange { color: #e59033; background: #fff3e7; }
.credibility-icon.violet { color: #6846cc; background: #f0ebff; }

.credibility-item strong {
  display: block;
  margin-bottom: 3px;
  color: var(--portfolio-text) !important;
  font-size: 0.83rem;
  font-weight: 730;
}

.credibility-item span {
  display: block;
  color: var(--portfolio-muted) !important;
  font-size: 0.69rem !important;
  line-height: 1.45;
}

.content-section {
  padding-top: 34px;
  padding-bottom: 42px;
}

.news-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 34px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.news-list li {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  color: var(--portfolio-muted) !important;
  border-bottom: 1px solid var(--portfolio-line);
  font-size: 0.83rem !important;
  line-height: 1.5;
}

.news-list time {
  color: var(--portfolio-primary);
  font-size: 0.72rem;
  font-weight: 720;
}

.news-list span,
.news-list em {
  color: inherit !important;
  font-size: inherit !important;
}

.publications-section .filter-section {
  margin: 0 0 18px !important;
  padding: 0 !important;
  background: transparent !important;
}

.publications-section .filter-buttons {
  display: inline-flex !important;
  gap: 4px !important;
  padding: 4px;
  background: var(--portfolio-surface-soft);
  border: 1px solid var(--portfolio-line);
  border-radius: 9px;
}

.publications-section .filter-btn {
  width: auto !important;
  padding: 7px 14px !important;
  color: var(--portfolio-muted) !important;
  background: transparent !important;
  border: 0 !important;
  border-radius: 7px !important;
  font-size: 0.75rem !important;
  font-weight: 650 !important;
}

.publications-section .filter-btn.active,
.publications-section .filter-btn:hover {
  color: var(--portfolio-primary) !important;
  background: var(--portfolio-surface) !important;
  box-shadow: 0 2px 7px rgba(30, 44, 74, 0.08);
}

.publications-section .publications {
  margin-top: 0 !important;
}

.publications-section .publications ol.bibliography {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 15px;
  margin: 0 !important;
}

.publications-section .publications ol.bibliography li {
  min-height: 0 !important;
  margin: 0 !important;
  padding: 13px;
  background: var(--portfolio-surface);
  border: 1px solid var(--portfolio-line);
  border-radius: 11px;
  box-shadow: 0 2px 9px rgba(24, 37, 68, 0.045);
}

.publications-section .pub-row {
  gap: 14px !important;
  align-items: center !important;
}

.publications-section .publications ol.bibliography li .abbr {
  flex: 0 0 180px !important;
  width: 180px !important;
  min-width: 180px !important;
  margin: 0 !important;
}

.publications-section .teaser-wrapper {
  width: 180px !important;
  height: 116px !important;
  border-radius: 8px !important;
}

.publications-section .publications ol.bibliography li .teaser,
.publications-section .teaser-wrapper img,
.publications-section img.teaser {
  width: 180px !important;
  min-width: 180px !important;
  max-width: 180px !important;
  height: 116px !important;
  min-height: 116px !important;
  max-height: 116px !important;
  margin: 0 !important;
  border-radius: 8px !important;
  box-shadow: none !important;
  object-fit: cover !important;
}

.publications-section .badge,
.publications-section .badge-abbr {
  top: 7px !important;
  left: 7px !important;
  padding: 4px 7px !important;
  color: #ffffff !important;
  background: var(--portfolio-primary) !important;
  border-radius: 5px !important;
  font-size: 0.6rem !important;
}

.publications-section .title,
.publications-section .title a {
  color: var(--portfolio-text) !important;
  font-size: 0.86rem !important;
  font-weight: 720 !important;
  line-height: 1.35 !important;
}

.publications-section .author,
.publications-section .author strong,
.publications-section .periodical,
.publications-section .periodical em,
.publications-section .periodical strong {
  color: var(--portfolio-muted) !important;
  font-size: 0.68rem !important;
  line-height: 1.42 !important;
}

.publications-section .links {
  gap: 6px !important;
  margin-top: 5px;
}

.publications-section .links a.btn {
  padding: 3px 8px !important;
  color: var(--portfolio-primary) !important;
  background: transparent !important;
  border: 1px solid color-mix(in srgb, var(--portfolio-primary) 35%, var(--portfolio-line)) !important;
  border-radius: 5px !important;
  font-size: 0.61rem !important;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 15px;
}

.service-card {
  padding: 18px;
  background: var(--portfolio-surface);
  border: 1px solid var(--portfolio-line);
  border-radius: 11px;
}

.service-card h3 {
  margin: 0 0 7px;
  color: var(--portfolio-text) !important;
  font-size: 0.88rem !important;
}

.service-card p {
  margin: 0;
  color: var(--portfolio-muted) !important;
  font-size: 0.76rem !important;
  line-height: 1.5;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 10px 34px;
  color: var(--portfolio-faint);
  border-top: 1px solid var(--portfolio-line);
  font-size: 0.72rem;
}

.site-footer a {
  font-size: inherit !important;
}

@media (max-width: 1240px) {
  .topbar-inner,
  .portfolio-main,
  .site-footer {
    width: min(1120px, calc(100% - 48px));
  }

  .hero-section {
    grid-template-columns: minmax(360px, 0.78fr) minmax(600px, 1.22fr);
    gap: 32px;
  }

  .featured-grid {
    gap: 14px;
  }

  .credibility-item:nth-child(3) {
    border-right: 0;
  }

  .publications-section .publications ol.bibliography li .abbr {
    flex-basis: 150px !important;
    width: 150px !important;
    min-width: 150px !important;
  }

  .publications-section .teaser-wrapper,
  .publications-section .publications ol.bibliography li .teaser,
  .publications-section .teaser-wrapper img,
  .publications-section img.teaser {
    width: 150px !important;
    min-width: 150px !important;
    max-width: 150px !important;
  }
}

@media (max-width: 1150px) {
  .hero-section {
    grid-template-columns: 1fr;
    padding-top: 36px;
  }

  .hero-copy {
    max-width: 720px;
    padding-top: 0;
  }

  .hero-featured {
    width: 100%;
  }
}

@media (max-width: 1050px) {
  .topbar-inner {
    grid-template-columns: 1fr auto auto;
  }

  .nav-toggle {
    display: grid;
    gap: 4px;
    width: 34px;
    height: 34px;
    padding: 8px;
    place-content: center;
  }

  .nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--portfolio-text);
    border-radius: 2px;
  }

  .site-navigation {
    position: absolute;
    top: 67px;
    right: 24px;
    display: none;
    width: 210px;
    padding: 10px;
    background: var(--portfolio-surface);
    border: 1px solid var(--portfolio-line);
    border-radius: 12px;
    box-shadow: var(--portfolio-shadow-hover);
  }

  .site-navigation.open {
    display: grid;
    gap: 2px;
  }

  .site-navigation a {
    padding: 9px 11px;
    border-radius: 7px;
  }

  .site-navigation a::after {
    display: none;
  }

  .site-navigation a:hover,
  .site-navigation a.active {
    background: var(--portfolio-primary-soft);
  }

  .hero-section {
    grid-template-columns: 1fr;
    padding-top: 36px;
  }

  .hero-copy {
    max-width: 720px;
    padding-top: 0;
  }

  .multimodal-visual {
    padding: 10px 0 20px;
  }

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

  .featured-media {
    height: 190px;
  }

  .publications-section .publications ol.bibliography {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 680px) {
  .topbar-inner,
  .portfolio-main,
  .site-footer {
    width: calc(100% - 30px);
  }

  .topbar-inner {
    min-height: 66px;
    gap: 8px;
  }

  .site-brand {
    font-size: 1.2rem !important;
  }

  .theme-toggle {
    gap: 2px;
  }

  .theme-toggle .theme-icon {
    width: 28px;
    height: 28px;
  }

  .hero-section {
    min-height: 0;
    padding: 29px 2px 30px;
  }

  .hero-copy h1 {
    font-size: clamp(3.3rem, 17vw, 4.4rem) !important;
  }

  .hero-role {
    font-size: 1.35rem !important;
  }

  .hero-topics span {
    font-size: 0.78rem !important;
  }

  .hero-topics span:not(:last-child)::after {
    margin: 0 8px;
  }

  .hero-summary {
    font-size: 0.94rem !important;
  }

  .hero-background {
    font-size: 0.81rem !important;
  }

  .hero-socials {
    gap: 17px;
  }

  .hero-socials a span {
    display: none;
  }

  .hero-socials i {
    font-size: 1.45rem;
  }

  .multimodal-visual {
    padding: 6px 0 14px;
  }

  .multimodal-map {
    margin: 0 -5%;
    width: 110%;
  }

  .featured-section,
  .content-section {
    padding-right: 2px;
    padding-left: 2px;
  }

  .featured-grid,
  .news-list,
  .service-grid {
    grid-template-columns: 1fr;
  }

  .hero-featured .featured-grid {
    grid-template-columns: 1fr;
  }

  .hero-featured .featured-media {
    height: 190px;
    min-height: 190px;
  }

  .featured-media {
    height: 205px;
  }

  .credibility-strip {
    grid-template-columns: 1fr;
    gap: 0;
    padding-right: 2px;
    padding-left: 2px;
  }

  .credibility-item,
  .credibility-item:first-child {
    padding: 13px 0;
    border-right: 0;
    border-bottom: 1px solid var(--portfolio-line);
  }

  .credibility-item:last-child {
    border-bottom: 0;
  }

  .news-list li {
    grid-template-columns: 74px minmax(0, 1fr);
  }

  .publications-section .publications ol.bibliography li {
    padding: 12px !important;
  }

  .publications-section .pub-row {
    display: grid !important;
  }

  .publications-section .publications ol.bibliography li .abbr,
  .publications-section .teaser-wrapper,
  .publications-section .publications ol.bibliography li .teaser,
  .publications-section .teaser-wrapper img,
  .publications-section img.teaser {
    width: 100% !important;
    min-width: 100% !important;
    max-width: 100% !important;
    height: 180px !important;
    min-height: 180px !important;
    max-height: 180px !important;
  }

  .featured-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    padding-right: 2px;
    padding-left: 2px;
  }
}