:root {
  --color-background: #f3f1e9;
  --color-surface: #fffdf7;
  --color-text: #101b24;
  --color-muted: #68747b;
  --color-border: rgba(16, 27, 36, 0.14);
  --color-accent: #ff6b2c;
  --color-accent-hover: #ff8955;
  --color-accent-ink: #a63b0e;
  --color-accent-secondary: #1da6bb;
  --color-radar: #9bcf4b;
  --color-airspace: #06141c;
  --color-airspace-soft: #0c2530;
  --font-display: "Cabin", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-body: "Cabin", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "B612 Mono", "SFMono-Regular", Consolas, monospace;
  --space-xs: 0.5rem;
  --space-sm: 0.875rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: clamp(4rem, 8vw, 7rem);
  --radius-sm: 8px;
  --radius-md: 18px;
  --radius-lg: 32px;
  --transition-fast: 160ms ease;
  --transition-normal: 320ms cubic-bezier(0.2, 0.75, 0.25, 1);
  --transition-slow: 720ms cubic-bezier(0.16, 1, 0.3, 1);
  --air-shadow: 0 24px 70px rgba(6, 20, 28, 0.12);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 104px;
}

body {
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-body);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(rgba(6, 20, 28, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6, 20, 28, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  content: "";
  pointer-events: none;
}

::selection {
  background: var(--color-accent);
  color: #fff;
}

a,
button,
select {
  -webkit-tap-highlight-color: transparent;
}

a:focus-visible,
button:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
}

/* Shared navigation */
.site-navbar {
  border-bottom-color: rgba(255, 255, 255, 0.14);
  background: rgba(6, 20, 28, 0.9);
  transition: background-color var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.home-page .site-navbar:not(.is-scrolled) {
  border-bottom-color: rgba(255, 255, 255, 0.14);
  background: linear-gradient(180deg, rgba(4, 13, 18, 0.78), rgba(4, 13, 18, 0));
  box-shadow: none;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
}

.site-navbar.is-scrolled,
.home-page .site-navbar.is-scrolled {
  border-bottom-color: rgba(16, 27, 36, 0.1);
  background: rgba(255, 253, 247, 0.88);
  box-shadow: 0 12px 42px rgba(6, 20, 28, 0.09);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.site-navbar.is-scrolled .site-menu .nav-link,
.home-page .site-navbar.is-scrolled .site-menu .nav-link {
  color: var(--color-text) !important;
}

.site-navbar .site-menu .nav-link {
  position: relative;
  padding-inline: 18px !important;
  font-family: var(--font-mono);
  font-size: 0.78rem !important;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.site-navbar .site-menu .nav-link::before {
  position: absolute;
  top: 50%;
  left: 2px;
  width: 5px;
  height: 5px;
  border: 1px solid currentColor;
  border-radius: 50%;
  content: "";
  opacity: 0;
  transform: translateY(-50%) scale(0.3);
  transition: opacity var(--transition-fast), transform var(--transition-normal);
}

.site-navbar .site-menu li.active .nav-link::before,
.site-navbar .site-menu .nav-link:hover::before,
.site-navbar .site-menu .nav-link:focus::before {
  opacity: 1;
  transform: translateY(-50%) scale(1);
}

.site-navbar .site-menu .nav-link::after {
  right: 18px;
  bottom: 3px;
  left: 18px;
  height: 1px;
  background: var(--color-accent);
  transform-origin: left;
}

.site-navbar .logo img {
  border-radius: 14px;
  transition: transform var(--transition-normal);
}

.site-navbar .logo a:hover img {
  transform: rotate(-3deg) scale(1.04);
}

.airspace-compact-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(6, 20, 28, 0.94);
  color: #fff;
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.airspace-compact-nav__inner {
  display: flex;
  width: min(1180px, 100%);
  min-height: 76px;
  margin: 0 auto;
  padding: 0 32px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.airspace-compact-nav__brand img {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  object-fit: contain;
}

.airspace-compact-nav__links {
  display: flex;
  margin: 0;
  padding: 0;
  align-items: center;
  gap: clamp(12px, 3vw, 30px);
  list-style: none;
}

.airspace-compact-nav__links a {
  color: rgba(255, 255, 255, 0.78);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.airspace-compact-nav__links a:hover,
.airspace-compact-nav__links a:focus,
.airspace-compact-nav__links a[aria-current="page"] {
  color: var(--color-accent);
}

/* Hero: Interactive Airspace */
.home-page .community-intro-section {
  position: relative;
  min-height: 100svh;
  padding: 156px 0 96px;
  overflow: hidden;
  border: 0;
  isolation: isolate;
  background:
    radial-gradient(circle at 76% 24%, rgba(255, 107, 44, 0.18), transparent 30%),
    radial-gradient(circle at 14% 82%, rgba(29, 166, 187, 0.18), transparent 34%),
    linear-gradient(135deg, #05131a 0%, #071e28 52%, #081820 100%);
}

.home-page .community-intro-section::before {
  inset: 0;
  background:
    linear-gradient(rgba(128, 211, 219, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(128, 211, 219, 0.08) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(to bottom, #000, transparent 92%);
  mask-image: linear-gradient(to bottom, #000, transparent 92%);
}

.home-page .community-intro-section::after {
  top: auto;
  right: -12vw;
  bottom: -34vw;
  width: 72vw;
  height: 72vw;
  border: 1px solid rgba(255, 107, 44, 0.22);
  border-radius: 50%;
  background: radial-gradient(circle, transparent 52%, rgba(155, 207, 75, 0.045) 52.5%, transparent 53.2%);
  box-shadow: 0 0 0 8vw rgba(255, 255, 255, 0.012), 0 0 0 16vw rgba(255, 255, 255, 0.008);
}

.airspace-canvas {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  opacity: 0.8;
  pointer-events: none;
}

.airspace-cloud {
  position: absolute;
  z-index: 0;
  width: 34vw;
  min-width: 320px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(255, 255, 255, 0.075), transparent 67%);
  filter: blur(18px);
  pointer-events: none;
  transform: translate3d(var(--parallax-x, 0), var(--parallax-y, 0), 0);
}

.airspace-cloud--far {
  top: 14%;
  left: -10%;
}

.airspace-cloud--near {
  right: -8%;
  bottom: 10%;
}

.home-page .community-intro-section .container {
  position: relative;
  z-index: 2;
}

.home-page .community-intro-wrapper {
  display: grid;
  min-height: calc(100svh - 252px);
  margin: 0;
  grid-template-columns: minmax(0, 0.88fr) minmax(500px, 1.12fr);
  align-items: center;
  gap: clamp(42px, 6vw, 88px);
  transform: none;
}

.home-page .community-intro-content {
  position: relative;
  z-index: 3;
  transform: translate3d(var(--parallax-x, 0), var(--parallax-y, 0), 0);
  transition: transform 120ms linear;
}

.airspace-kicker {
  display: inline-flex;
  margin-bottom: 24px;
  align-items: center;
  gap: 10px;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.airspace-kicker::before {
  width: 28px;
  height: 1px;
  background: currentColor;
  content: "";
}

.home-page .community-intro-title {
  margin: 0 0 34px;
  color: #fff;
  font-size: clamp(4rem, 7.2vw, 7.8rem);
  font-weight: 700;
  letter-spacing: -0.075em;
  line-height: 0.78;
}

.home-page .community-intro-title > span {
  display: block;
}

.home-page .community-intro-title .team-text {
  margin-top: 0.18em;
  margin-left: 0.04em;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.28em;
  font-style: normal;
  font-weight: 400;
  letter-spacing: 0.22em;
  line-height: 1;
  text-transform: uppercase;
}

.home-page .community-intro-slogan {
  max-width: 610px;
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: clamp(1rem, 1.5vw, 1.22rem);
  font-weight: 400;
  line-height: 1.65;
}

.home-page .community-intro-slogan .slogan-highlight {
  color: #fff;
  font-size: inherit;
  font-weight: 700;
}

.airspace-coordinate {
  display: grid;
  margin-top: 34px;
  grid-template-columns: repeat(3, max-content);
  gap: 24px;
  color: rgba(255, 255, 255, 0.44);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.airspace-coordinate span::before {
  display: inline-block;
  width: 4px;
  height: 4px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--color-radar);
  content: "";
  vertical-align: middle;
}

.airspace-flight-object {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 12;
  width: 110px;
  height: 54px;
  pointer-events: none;
  transform: translate(-50%, -50%) rotateX(var(--drone-rx, 0deg)) rotateY(var(--drone-ry, 0deg));
  transform-style: preserve-3d;
  transition: transform 520ms cubic-bezier(0.22, 1.5, 0.4, 1);
}

.airspace-flight-object__body,
.airspace-flight-object__arm,
.airspace-flight-object__rotor {
  position: absolute;
  display: block;
}

.airspace-flight-object__body {
  top: 20px;
  left: 37px;
  width: 36px;
  height: 16px;
  border: 2px solid var(--color-accent);
  border-radius: 50% 50% 35% 35%;
  background: rgba(5, 19, 26, 0.92);
  box-shadow: 0 0 24px rgba(255, 107, 44, 0.38);
}

.airspace-flight-object__arm {
  top: 26px;
  left: 16px;
  width: 78px;
  height: 2px;
  background: rgba(255, 255, 255, 0.74);
}

.airspace-flight-object__arm--cross {
  transform: rotate(24deg);
}

.airspace-flight-object__arm--counter {
  transform: rotate(-24deg);
}

.airspace-flight-object__rotor {
  width: 24px;
  height: 8px;
  border: 1px solid rgba(155, 207, 75, 0.9);
  border-radius: 50%;
}

.airspace-flight-object__rotor:nth-of-type(4) { top: 6px; left: 4px; }
.airspace-flight-object__rotor:nth-of-type(5) { top: 6px; right: 4px; }
.airspace-flight-object__rotor:nth-of-type(6) { bottom: 6px; left: 4px; }
.airspace-flight-object__rotor:nth-of-type(7) { right: 4px; bottom: 6px; }

.airspace-scroll-cue {
  position: absolute;
  bottom: 34px;
  left: 50%;
  z-index: 5;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.58);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transform: translateX(-50%);
}

.airspace-scroll-cue::before {
  width: 44px;
  height: 1px;
  background: linear-gradient(90deg, var(--color-accent), transparent);
  content: "";
}

/* Section language */
.home-page .research-direction-section,
.home-page .recent-achievements-section {
  position: relative;
  padding: var(--space-xl) 0;
  overflow: hidden;
}

.home-page .research-direction-section {
  border: 0;
  background: var(--color-background);
}

.home-page .research-direction-section::before {
  position: absolute;
  top: 0;
  right: 0;
  width: min(42vw, 620px);
  height: 100%;
  background: repeating-radial-gradient(circle at 100% 30%, transparent 0 42px, rgba(29, 166, 187, 0.09) 43px 44px);
  content: "";
  pointer-events: none;
}

.section-title-centered {
  display: flex;
  margin-bottom: clamp(32px, 5vw, 64px);
  align-items: flex-end;
  justify-content: space-between;
  text-align: left;
}

.section-title-centered h2,
.publication-page .section-title h2,
.group-page .group-page-title h2 {
  max-width: 840px;
  margin: 0;
  color: var(--color-text);
  font-size: clamp(2.8rem, 6vw, 6.4rem);
  letter-spacing: -0.065em;
  line-height: 0.9;
}

.section-title-centered h2::before,
.publication-page .section-title h2::before,
.group-page .group-page-title h2::before {
  width: 58px;
  height: 4px;
  background: var(--color-accent);
}

.section-index {
  color: var(--color-accent-ink);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Research direction chapters */
.home-page .research-charts-wrapper {
  position: relative;
  margin: 0;
}

.research-track-controls {
  display: flex;
  margin-bottom: 18px;
  justify-content: flex-end;
  gap: 10px;
}

.research-track-control {
  display: inline-grid;
  width: 46px;
  height: 46px;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: transparent;
  color: var(--color-text);
  place-items: center;
  transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.research-track-control:hover,
.research-track-control:focus-visible {
  background: var(--color-text);
  color: #fff;
  transform: translateY(-2px);
}

.home-page .research-charts-grid {
  display: grid;
  margin: 0;
  padding: 0 0 18px;
  grid-auto-columns: minmax(310px, 34%);
  grid-auto-flow: column;
  grid-template-columns: none;
  gap: 22px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-behavior: smooth;
  scroll-snap-type: inline mandatory;
  scrollbar-color: var(--color-accent) transparent;
  scrollbar-width: thin;
}

.home-page .research-charts-grid::-webkit-scrollbar {
  height: 4px;
}

.home-page .research-charts-grid::-webkit-scrollbar-thumb {
  background: var(--color-accent);
}

.home-page .research-chart-item {
  position: relative;
  display: grid;
  width: auto;
  max-width: none;
  min-height: 410px;
  padding: 30px;
  align-content: space-between;
  justify-items: stretch;
  gap: 28px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-lg);
  background: var(--color-airspace);
  box-shadow: none;
  color: #fff;
  cursor: grab;
  scroll-snap-align: start;
}

.home-page .research-chart-item:active {
  cursor: grabbing;
}

.home-page .research-chart-item::before {
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.055) 1px, transparent 1px),
    radial-gradient(circle at 75% 15%, rgba(255, 107, 44, 0.22), transparent 32%);
  background-size: 28px 28px, 28px 28px, auto;
  opacity: 1;
}

.home-page .research-chart-item:nth-child(2)::before {
  background:
    repeating-radial-gradient(circle at 80% 20%, transparent 0 28px, rgba(29, 166, 187, 0.12) 29px 30px),
    linear-gradient(145deg, transparent, rgba(29, 166, 187, 0.14));
}

.home-page .research-chart-item:nth-child(3)::before {
  background:
    linear-gradient(35deg, transparent 46%, rgba(255, 107, 44, 0.18) 47% 48%, transparent 49%),
    linear-gradient(-35deg, transparent 46%, rgba(155, 207, 75, 0.12) 47% 48%, transparent 49%);
  background-size: 72px 72px;
}

.home-page .research-chart-item:nth-child(4)::before {
  background:
    radial-gradient(circle at 20% 25%, var(--color-radar) 0 3px, transparent 4px),
    radial-gradient(circle at 76% 40%, var(--color-accent) 0 3px, transparent 4px),
    radial-gradient(circle at 44% 76%, var(--color-accent-secondary) 0 3px, transparent 4px),
    linear-gradient(28deg, transparent 48%, rgba(255, 255, 255, 0.1) 49% 50%, transparent 51%);
}

.home-page .research-chart-item:hover,
.home-page .research-chart-item:focus-within {
  border-color: rgba(255, 107, 44, 0.58);
  background: #0a202a;
  box-shadow: var(--air-shadow);
  transform: translateY(-4px) scale(1.012);
}

.direction-sequence {
  position: relative;
  z-index: 2;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
}

.home-page .research-chart-canvas-wrapper {
  position: relative;
  z-index: 2;
  width: 118px;
  height: 118px;
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.035);
}

.home-page .research-chart-info {
  position: relative;
  z-index: 2;
  align-items: flex-start;
}

.home-page .research-chart-item-title {
  max-width: 12ch;
  color: #fff;
  font-size: clamp(1.55rem, 2.3vw, 2.35rem);
  letter-spacing: -0.035em;
  text-align: left;
}

.home-page .research-chart-percent {
  color: rgba(255, 255, 255, 0.68);
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.home-page .research-chart-arrow-btn {
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: var(--color-accent);
  color: #fff;
}

/* Recent research storytelling */
.home-page .recent-achievements-section {
  border: 0;
  background: #fffdf7;
}

.home-page .recent-achievements-section .container,
.home-page .papers-container {
  width: min(1180px, 100%);
  max-width: 1180px;
  margin: 0 auto;
  padding-inline: 32px;
}

.home-page .paper-achievement-card {
  position: relative;
  min-height: 0;
  margin: 0;
  padding: clamp(54px, 7vw, 92px) 0;
  border-bottom: 1px solid var(--color-border);
}

.home-page .paper-achievement-card::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  content: "";
  transition: width var(--transition-slow);
}

.home-page .paper-achievement-card:hover::before,
.home-page .paper-achievement-card:focus-within::before {
  width: 100%;
}

.paper-sequence {
  margin-bottom: 22px;
  color: var(--color-accent-ink);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
}

.home-page .paper-achievement-row {
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.4fr);
  gap: clamp(42px, 7vw, 96px);
}

.home-page .paper-achievement-left {
  top: 128px;
  padding: 0;
  background: transparent;
}

.paper-meta-line {
  display: flex;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 8px;
}

.paper-meta-line span {
  padding: 5px 9px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.63rem;
  letter-spacing: 0.05em;
}

.home-page .paper-title {
  color: var(--color-text);
  font-size: clamp(1.9rem, 3.2vw, 3.5rem);
  letter-spacing: -0.045em;
  line-height: 1.02;
}

.home-page .paper-authors {
  margin-top: 24px;
  color: var(--color-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

.home-page .paper-learn-more-btn,
.home-page .paper-demo-btn {
  border: 1px solid var(--color-text);
  border-radius: 0;
  background: var(--color-text);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.home-page .paper-learn-more-btn:hover,
.home-page .paper-demo-btn:hover {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: #fff;
  transform: translateY(-3px);
}

.home-page .paper-achievement-right {
  min-width: 0;
}

.home-page .paper-image-wrapper,
.home-page .paper-video-container {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-airspace);
  box-shadow: var(--air-shadow);
}

.home-page .paper-image-wrapper::after,
.home-page .paper-video-container::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: inherit;
  content: "";
  pointer-events: none;
}

.home-page .paper-architecture-img,
.home-page .paper-demo-video {
  filter: saturate(0.72) contrast(1.04);
  transform: scale(1.018);
  transition: filter var(--transition-slow), transform var(--transition-slow);
}

.home-page .paper-achievement-card:hover .paper-architecture-img,
.home-page .paper-achievement-card:focus-within .paper-architecture-img,
.home-page .paper-achievement-card:hover .paper-demo-video,
.home-page .paper-achievement-card:focus-within .paper-demo-video {
  filter: saturate(1) contrast(1);
  transform: scale(1.045);
}

.home-page .paper-tags {
  margin-top: 4px;
}

.home-page .paper-tag-btn {
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: transparent !important;
  color: var(--color-accent-ink);
  box-shadow: none;
  font-family: var(--font-mono);
  font-size: 0.62rem;
}

/* Publication archive */
.publication-page .site-section {
  background: var(--color-background);
}

.publication-page .section-title {
  margin-bottom: 46px !important;
  text-align: left !important;
}

.publication-page .site-section > .container > div:last-child {
  max-width: none !important;
}

.publication-toolbar {
  display: grid;
  margin-bottom: 32px;
  padding: 18px;
  border-top: 1px solid var(--color-text);
  border-bottom: 1px solid var(--color-border);
  grid-template-columns: repeat(2, minmax(0, 220px));
  gap: 18px;
}

.publication-filter,
.publication-toolbar > label {
  display: grid;
  margin: 0;
  gap: 7px;
}

.publication-filter label,
.publication-toolbar > label {
  margin: 0;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.publication-filter select,
.publication-toolbar select {
  min-height: 44px;
  padding: 0 34px 0 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
}

.publication-list {
  display: grid;
  gap: 0;
}

.publication-entry {
  display: grid;
  padding: 34px 0;
  border-bottom: 1px solid var(--color-border);
  grid-template-columns: 150px minmax(0, 1fr) minmax(250px, 0.42fr);
  align-items: start;
  gap: 28px;
  transition: background-color var(--transition-normal), transform var(--transition-normal);
}

.publication-entry:hover,
.publication-entry:focus-within {
  background: rgba(255, 255, 255, 0.55);
  transform: translateX(6px);
}

.publication-entry__media {
  overflow: hidden;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-sm);
  background: var(--color-airspace);
}

.publication-entry__media img {
  width: 100%;
  height: 100%;
  filter: saturate(0.65);
  object-fit: cover;
  transition: filter var(--transition-normal), transform var(--transition-slow);
}

.publication-entry:hover .publication-entry__media img {
  filter: saturate(1);
  transform: scale(1.05);
}

.publication-entry__meta {
  color: var(--color-accent-ink);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.publication-entry__title {
  margin: 10px 0 14px;
  font-size: clamp(1.35rem, 2.4vw, 2.2rem);
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.publication-entry__title a {
  color: var(--color-text);
}

.publication-entry__authors {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

.publication-entry__tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 7px;
}

.publication-entry__tags a {
  padding: 6px 9px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-accent-ink);
  font-family: var(--font-mono);
  font-size: 0.58rem;
}

/* Group: research crew, without changing identity */
.group-page .group-page-title {
  margin-bottom: 72px;
  text-align: left;
}

.group-page .group-page-title h2 {
  color: var(--color-text-on-dark);
}

.group-page .group-section-heading {
  display: flex;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--color-border);
  align-items: center;
  gap: 16px;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.group-page .group-section-heading::before {
  width: 9px;
  height: 9px;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  content: "";
}

.group-page .member-grid {
  gap: 26px;
}

.group-page .member-card {
  perspective: 900px;
}

.group-page .member-card .card {
  overflow: hidden;
  border-color: var(--color-border);
  border-radius: var(--radius-md) !important;
  background: var(--color-surface);
  box-shadow: none;
  transform: rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));
  transform-style: preserve-3d;
  transition: border-color var(--transition-normal), box-shadow var(--transition-normal), transform 140ms ease-out;
  will-change: transform;
}

.group-page .member-card .card:hover,
.group-page .member-card .card:focus-within {
  border-color: rgba(255, 107, 44, 0.48);
  box-shadow: var(--air-shadow);
  transform: rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg)) translateY(-4px);
}

.group-page .advisor-card .card {
  border-color: rgba(255, 107, 44, 0.38);
}

.group-page .member-card .card img {
  filter: grayscale(0.32) saturate(0.78);
  transition: filter var(--transition-slow), transform var(--transition-slow);
}

.group-page .member-card .card:hover img,
.group-page .member-card .card:focus-within img {
  filter: grayscale(0) saturate(1);
  transform: scale(1.025);
}

.group-page .member-card .post-meta {
  position: relative;
  z-index: 2;
  background: var(--color-surface);
}

.group-page .advisor-card .card {
  background:
    linear-gradient(135deg, rgba(255, 107, 44, 0.08), transparent 42%),
    var(--color-surface);
}

.group-page .advisor-card .post-meta,
.group-page .advisor-card .post-meta .d-block {
  color: var(--color-text);
}

.group-page .advisor-card .post-meta .d-block:nth-child(2) {
  color: var(--color-muted);
}

.group-page .advisor-card .post-meta a {
  color: var(--color-accent-ink);
}

/* Resource, research, direction and person pages */
.resource-page .trend-entry,
.research-page .trend-entry {
  position: relative;
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: none;
}

.resource-page .trend-entry[hidden] {
  display: none !important;
}

.resource-page .trend-entry::before,
.research-page .trend-entry::before {
  position: absolute;
  top: 18px;
  left: 18px;
  width: 8px;
  height: 8px;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  content: "";
}

.resource-page .section-title h2,
.research-page .section-title h2 {
  color: #fff;
  letter-spacing: -0.04em;
}

.resource-page .col-lg-12 > .section-title:not(:first-child) h2 {
  color: var(--color-text);
}

.direction-page,
.person-page {
  min-height: 100vh;
  background: var(--color-background);
}

.direction-page > .site-section,
.person-page {
  padding-top: 0;
}

.direction-page > .site-section > .container,
.person-page > .container {
  padding-top: clamp(54px, 8vw, 92px) !important;
}

.direction-page .section-title h2,
.person-page .section-title h2 {
  color: var(--color-text);
  font-size: clamp(2.3rem, 5vw, 5rem);
  letter-spacing: -0.05em;
}

.direction-page .paper-card,
.person-page .paper-card {
  border: 1px solid var(--color-border) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: none !important;
}

.airspace-dynamic-footer {
  margin-top: 72px;
  padding: 34px 16px;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.86rem;
  text-align: center;
}

.airspace-dynamic-footer a {
  color: var(--color-accent-ink);
}

/* Progressive reveal */
.airspace-reveal-pending {
  opacity: 0;
  transform: translateY(34px);
}

.airspace-reveal-visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

/* Custom cursor */
.airspace-cursor,
.airspace-cursor-label {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 5000;
  pointer-events: none;
  opacity: 0;
  transform: translate3d(-100px, -100px, 0);
}

.airspace-cursor {
  width: 12px;
  height: 12px;
  border: 1px solid #fff;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 1px rgba(6, 20, 28, 0.28);
  transition: width var(--transition-fast), height var(--transition-fast), background-color var(--transition-fast), opacity var(--transition-fast);
}

.airspace-cursor-label {
  display: grid;
  width: 58px;
  height: 58px;
  margin: -23px 0 0 -23px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.06em;
  place-items: center;
  text-transform: uppercase;
  transition: opacity var(--transition-fast), transform 60ms linear;
}

.airspace-cursor-enabled,
.airspace-cursor-enabled a,
.airspace-cursor-enabled button,
.airspace-cursor-enabled [data-cursor] {
  cursor: none !important;
}

.airspace-cursor-enabled p,
.airspace-cursor-enabled h1,
.airspace-cursor-enabled h2,
.airspace-cursor-enabled h3,
.airspace-cursor-enabled h4,
.airspace-cursor-enabled h5,
.airspace-cursor-enabled h6,
.airspace-cursor-enabled input,
.airspace-cursor-enabled textarea,
.airspace-cursor-enabled select {
  cursor: text !important;
}

.airspace-cursor.is-visible {
  opacity: 1;
}

.airspace-cursor.is-active {
  width: 28px;
  height: 28px;
  margin: -8px 0 0 -8px;
  background: rgba(255, 107, 44, 0.18);
}

.airspace-cursor-label.is-visible {
  opacity: 1;
}

/* Page transition */
.airspace-transition {
  position: fixed;
  inset: 0;
  z-index: 6000;
  display: grid;
  overflow: hidden;
  background: var(--color-airspace);
  opacity: 0;
  pointer-events: none;
  place-items: center;
  transform: translateY(100%);
  transition: opacity 80ms linear, transform 620ms cubic-bezier(0.76, 0, 0.24, 1);
}

.airspace-transition::before,
.airspace-transition::after {
  position: absolute;
  border: 1px solid rgba(255, 107, 44, 0.42);
  border-radius: 50%;
  content: "";
}

.airspace-transition::before {
  width: 180px;
  height: 180px;
}

.airspace-transition::after {
  width: 320px;
  height: 320px;
  border-color: rgba(29, 166, 187, 0.24);
}

.airspace-transition__line {
  width: min(480px, 72vw);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  transform: scaleX(0);
  transition: transform 520ms 100ms ease;
}

.airspace-transition.is-active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.airspace-transition.is-active .airspace-transition__line {
  transform: scaleX(1);
}

@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .site-navbar.is-scrolled,
  .airspace-compact-nav {
    background: #fffdf7;
  }

  .airspace-compact-nav {
    background: var(--color-airspace);
  }
}

@media (max-width: 1199.98px) {
  .home-page .community-intro-wrapper {
    grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  }

}

@media (max-width: 991.98px) {
  .home-page .community-intro-section {
    padding-top: 118px;
  }

  .home-page .community-intro-wrapper {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .home-page .community-intro-content {
    max-width: 760px;
  }

  .airspace-scroll-cue {
    display: none;
  }

  .home-page .research-charts-grid {
    grid-auto-columns: minmax(300px, 56%);
  }

  .home-page .paper-achievement-row {
    grid-template-columns: 1fr;
  }

  .home-page .paper-achievement-left {
    position: static;
  }

  .publication-entry {
    grid-template-columns: 130px minmax(0, 1fr);
  }

  .publication-entry__tags {
    grid-column: 2;
    justify-content: flex-start;
  }
}

@media (max-width: 767.98px) {
  :root {
    --space-xl: 4rem;
  }

  .container,
  .home-page .recent-achievements-section .container,
  .home-page .papers-container {
    padding-inline: 20px;
  }

  .header-top {
    background: rgba(6, 20, 28, 0.95);
  }

  .home-page .community-intro-section {
    min-height: auto;
    padding: 112px 0 72px;
  }

  .home-page .community-intro-title {
    font-size: clamp(3.7rem, 17vw, 5.6rem);
  }

  .airspace-coordinate {
    grid-template-columns: 1fr;
    gap: 9px;
  }

  .airspace-flight-object {
    transform: translate(-50%, -50%) scale(0.78);
  }

  .section-title-centered {
    display: block;
  }

  .section-index {
    display: block;
    margin-bottom: 12px;
  }

  .section-title-centered h2,
  .publication-page .section-title h2,
  .group-page .group-page-title h2 {
    font-size: clamp(2.8rem, 14vw, 4.4rem);
  }

  .research-track-controls {
    display: none;
  }

  .home-page .research-charts-grid {
    margin-right: -20px;
    grid-auto-columns: 82%;
    padding-right: 20px;
  }

  .home-page .research-chart-item {
    min-height: 370px;
  }

  .home-page .paper-achievement-card {
    padding: 50px 0;
  }

  .home-page .paper-title {
    font-size: 2rem;
  }

  .publication-toolbar {
    grid-template-columns: 1fr;
  }

  .publication-entry {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 16px;
  }

  .publication-entry__tags {
    grid-column: 1 / -1;
  }

  .airspace-compact-nav__inner {
    min-height: 68px;
    padding-inline: 16px;
    gap: 14px;
  }

  .airspace-compact-nav__brand img {
    width: 42px;
    height: 42px;
  }

  .airspace-compact-nav__links {
    flex: 1;
    justify-content: flex-end;
    gap: 12px;
  }

  .airspace-compact-nav__links a {
    font-size: 0.61rem;
  }
}

@media (max-width: 430px) {
  .publication-entry {
    grid-template-columns: 1fr;
  }

  .publication-entry__media {
    aspect-ratio: 16 / 9;
  }

  .publication-entry__tags {
    grid-column: auto;
  }

  .airspace-compact-nav__links a {
    font-size: 0.56rem;
    letter-spacing: 0.03em;
  }
}

@media (hover: none), (pointer: coarse) {
  .airspace-cursor,
  .airspace-cursor-label {
    display: none !important;
  }

  .group-page .member-card .card {
    transform: none !important;
  }

  .home-page .paper-architecture-img,
  .home-page .paper-demo-video {
    filter: none;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .airspace-canvas,
  .airspace-cursor,
  .airspace-cursor-label,
  .airspace-transition {
    display: none !important;
  }

  .airspace-reveal-pending,
  .airspace-reveal-visible,
  .group-page .member-card .card,
  .home-page .paper-architecture-img,
  .home-page .paper-demo-video {
    opacity: 1 !important;
    filter: none !important;
    transform: none !important;
  }
}

html.immersive-airspace-round3 .site-wrap,
html.immersive-airspace-round3 .airspace-compact-nav {
  display: none !important;
}