/* ---------- DESIGN SYSTEM ---------- */
:root {
  --navy: #0B1F3A;
  --ink: #05070B;
  --sky: #8EC6FF;
  --gold: #FFCB05;
  --slate: #1A2230;
  --mist: #DDE7F2;
  --white: #FFFFFF;

  --bg-color: #06080D;
  --surface-color: #0C111A;
  --surface-muted: #0A0E15;
  --text-color: #F3F6FA;
  --text-muted: #A9B5C6;
  --heading-color: #FFFFFF;
  --border-color: #1B2635;
  --shadow-color: rgba(0, 0, 0, 0.6);

  --link-color: var(--gold);
  --link-hover-color: var(--sky);

  --topbar-bg: rgba(5, 7, 11, 0.92);
  --navbar-bg: rgba(5, 7, 11, 0.88);
  --footer-bg: #05070B;
  --footer-text-color: #93A4BA;

  --header-height: 126px;
}

/* ---------- LIGHT MODE ---------- */
.light-mode {
  --bg-color: #FFFFFF;
  --surface-color: #F7FAFF;
  --surface-muted: #E8F0FA;
  --text-color: #0B0F16;
  --text-muted: #3E4B5D;
  --heading-color: #0B0F16;
  --border-color: #D4E0EE;
  --shadow-color: rgba(15, 23, 42, 0.12);

  --link-color: var(--gold);
  --link-hover-color: var(--sky);

  --topbar-bg: rgba(5, 7, 11, 0.94);
  --navbar-bg: rgba(5, 7, 11, 0.9);
  --footer-bg: #05070B;
  --footer-text-color: #A3B2C7;
}

/* ---------- BASE ---------- */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  margin: 0;
  background:
    radial-gradient(circle at 15% 10%, rgba(142, 198, 255, 0.18), transparent 40%),
    radial-gradient(circle at 85% 0%, rgba(255, 255, 255, 0.08), transparent 30%),
    radial-gradient(circle at 50% 120%, rgba(12, 17, 26, 0.9), transparent 55%),
    var(--bg-color);
  color: var(--text-color);
  line-height: 1.7;
  transition: background 0.3s ease, color 0.3s ease;
  padding-top: var(--header-height);
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Rajdhani', 'Source Sans 3', sans-serif;
  color: var(--heading-color);
  letter-spacing: 0.2px;
  margin-top: 0;
}

p {
  margin: 0 0 1rem 0;
}

a {
  color: var(--link-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--link-hover-color);
}

strong {
  color: var(--heading-color);
}

ul, ol {
  padding-left: 1.2rem;
}

/* ---------- HEADER ---------- */
.topbar {
  position: fixed;
  top: 0;
  width: 100%;
  height: 78px;
  background: var(--topbar-bg);
  color: var(--white);
  z-index: 1100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
}

.topbar-container {
  display: flex;
  align-items: center;
  padding: 0 40px;
  max-width: 1200px;
  margin: auto;
  height: 100%;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  color: var(--white);
  flex-wrap: nowrap;
}

.brand-logos {
  display: inline-flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.lab-title {
  min-width: 0;
}

.um-brand {
  padding-right: 12px;
  margin-right: 12px;
  border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.top-logo {
  height: 42px;
  width: auto;
  display: block;
}

.falcon-logo {
  height: 64px;
}

.um-logo {
  height: 30px;
  display: block;
}

.lab-title {
  font-size: 1.4rem;
  font-weight: 600;
}

.navbar {
  position: fixed;
  top: 78px;
  width: 100%;
  height: 48px;
  background: var(--navbar-bg);
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
}

.nav-container {
  max-width: 1200px;
  margin: auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--white);
  font-weight: 500;
  font-size: 0.9rem;
  letter-spacing: 0.3px;
  padding: 4px 2px;
  border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--sky);
  border-bottom-color: var(--sky);
}

.nav-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

#theme-toggle {
  font-size: 0.75rem;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  cursor: pointer;
  transition: all 0.2s ease;
}

#theme-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ---------- HERO ---------- */
.page-hero {
  position: relative;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  background: var(--ink);
  background-image: var(--hero-image);
  background-size: cover;
  background-position: center;
  color: var(--white);
}

.page-hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(3, 6, 10, 0.92), rgba(3, 6, 10, 0.45));
}

.page-hero__content {
  position: relative;
  width: min(1200px, 90%);
  margin: 0 auto;
  padding: 80px 20px 48px 20px;
  color: var(--white);
}

.page-hero__kicker {
  text-transform: uppercase;
  letter-spacing: 0.24rem;
  font-size: 0.75rem;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.75);
}

.page-hero__title {
  font-size: clamp(2rem, 3vw, 3rem);
  margin-bottom: 10px;
  color: var(--white);
}

.page-hero__subtitle {
  font-size: 1.05rem;
  max-width: 720px;
  color: rgba(255, 255, 255, 0.9);
}

.page-hero__body {
  max-width: 820px;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.9);
}

.page-hero__body p:last-child {
  margin-bottom: 0;
}

.page-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-hero__actions .button {
  background: linear-gradient(120deg, rgba(11, 31, 58, 0.94), rgba(10, 16, 26, 0.94));
  box-shadow: 0 10px 20px rgba(4, 10, 20, 0.35);
}

.page-hero__actions .button--ghost {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.28);
}

.page-hero__actions .button--ghost:hover {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.16);
}

/* ---------- MAIN CONTAINER ---------- */
.container {
  max-width: 1100px;
  width: 90%;
  margin: 40px auto 64px auto;
  padding: 0 20px;
}

.page-hero + .container > h1:first-child {
  display: none;
}

.container > hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 32px 0;
}

.page-lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 760px;
}

.intro-copy {
  max-width: 780px;
}

.intro-copy__lead {
  margin: 0 0 0.8rem 0;
  font-size: 1.02rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--heading-color);
}

.page-lead--secondary {
  margin-top: 0.9rem;
}

.research-framing {
  padding: 4px 0 4px 24px;
  border-left: 4px solid rgba(142, 198, 255, 0.55);
  background: transparent;
  box-shadow: none;
}

.research-framing__eyebrow {
  margin: 0 0 10px 0;
  text-transform: uppercase;
  letter-spacing: 0.18rem;
  font-size: 0.76rem;
  color: var(--sky);
}

.research-framing .page-lead {
  font-size: 1.22rem;
  color: var(--heading-color);
  margin-bottom: 0.8rem;
}

.research-framing p:last-child {
  margin-bottom: 0;
}

.intro-question {
  margin: 20px 0 16px 0;
  color: var(--heading-color);
}

.section {
  margin-top: 48px;
}

.section-title {
  font-size: 1.35rem;
  margin-bottom: 12px;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: linear-gradient(120deg, #0B1F3A, #0A101A);
  color: var(--white);
  font-weight: 600;
  letter-spacing: 0.2px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(4, 10, 20, 0.45);
  background: #0D1726;
}

.button--ghost {
  background: transparent;
  color: var(--link-color);
  border-color: var(--border-color);
}

.button--ghost:hover {
  color: var(--link-hover-color);
  border-color: var(--link-hover-color);
  box-shadow: none;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(180px, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.feature-card {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 10px 22px var(--shadow-color);
}

.feature-card h3 {
  margin-bottom: 6px;
  font-size: 1.05rem;
}

.feature-list {
  margin: 0.7rem 0 0 0;
  padding-left: 1.1rem;
}

.feature-list li {
  margin-bottom: 0.45rem;
  color: var(--text-muted);
}

.thrust-stack {
  display: grid;
  gap: 18px;
  margin-top: 20px;
}

.thrust-card {
  padding: 24px 26px;
}

.thrust-card--platform {
  background:
    radial-gradient(circle at top right, rgba(142, 198, 255, 0.14), transparent 28%),
    var(--surface-color);
}

.thrust-label {
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.15rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--sky);
}

.thrust-question {
  margin: 0.35rem 0 0.9rem 0;
  font-size: 1.12rem;
  font-weight: 600;
  color: var(--heading-color);
}

.feature-card--numbered {
  padding-top: 20px;
}

.feature-index {
  font-family: 'Rajdhani', 'Source Sans 3', sans-serif;
  font-size: 1.9rem;
  line-height: 1;
  color: var(--sky);
  margin-bottom: 12px;
}

.pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.pill {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
  color: var(--text-muted);
}

.full-bleed {
  width: 100vw;
  margin-left: 50%;
  transform: translateX(-50%);
}

.home-thrust-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.home-callout {
  position: relative;
  overflow: hidden;
  padding: 32px;
  border-radius: 24px;
  border: 1px solid var(--border-color);
  background:
    radial-gradient(circle at top right, rgba(142, 198, 255, 0.18), transparent 28%),
    linear-gradient(135deg, rgba(11, 31, 58, 0.95), rgba(10, 16, 26, 0.96));
  box-shadow: 0 16px 36px var(--shadow-color);
}

.light-mode .home-callout {
  background:
    radial-gradient(circle at top right, rgba(142, 198, 255, 0.14), transparent 26%),
    linear-gradient(135deg, rgba(244, 248, 255, 0.98), rgba(232, 240, 250, 0.96));
}

.home-callout__eyebrow {
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16rem;
  font-size: 0.76rem;
  color: rgba(255, 255, 255, 0.72);
}

.light-mode .home-callout__eyebrow {
  color: var(--navy);
}

.home-callout .section-title {
  margin-bottom: 10px;
  color: var(--white);
}

.light-mode .home-callout .section-title {
  color: var(--heading-color);
}

.home-callout p {
  max-width: 760px;
  color: rgba(255, 255, 255, 0.88);
}

.light-mode .home-callout p {
  color: var(--text-color);
}

.home-callout .button {
  margin-top: 10px;
}

.spaceagora-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(20px, 4vw, 40px);
  align-items: center;
  padding: clamp(24px, 4vw, 34px);
  border-radius: 24px;
  border: 1px solid var(--border-color);
  background: var(--surface-color);
  box-shadow: 0 16px 34px var(--shadow-color);
}

.spaceagora-intro__media {
  display: flex;
  justify-content: center;
}

.spaceagora-intro__media--logo {
  padding: clamp(22px, 4vw, 36px);
  border-radius: 20px;
  border: 1px solid var(--border-color);
  background: var(--surface-muted);
}

.spaceagora-intro__media img {
  width: min(100%, 520px);
  max-height: 320px;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: 0 16px 30px var(--shadow-color);
}

.spaceagora-intro__media--logo .spaceagora-logo {
  display: block;
  width: min(100%, 460px);
  height: auto;
  max-height: none;
  object-fit: contain;
  border-radius: 0;
  box-shadow: none;
}

.spaceagora-intro__body .section-title {
  margin-bottom: 14px;
}

.spaceagora-callout {
  max-width: 860px;
  padding: 6px 0 6px 24px;
  border-left: 4px solid rgba(142, 198, 255, 0.55);
}

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

.spaceagora-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.spaceagora-grid--two {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.spaceagora-card {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 12px 26px var(--shadow-color);
}

.spaceagora-card h3 {
  margin-bottom: 8px;
  font-size: 1.08rem;
}

.spaceagora-card p {
  color: var(--text-muted);
}

.spaceagora-card p:last-child {
  margin-bottom: 0;
}

.calendar-shell {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 24px;
  box-shadow: 0 16px 34px var(--shadow-color);
}

.calendar-embed {
  margin-top: 16px;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--surface-muted);
}

.calendar-embed iframe {
  display: block;
}

.application-list {
  margin-top: 16px;
  max-width: 760px;
}

.application-list li {
  margin-bottom: 10px;
  color: var(--text-color);
}

/* ---------- PEOPLE CARDS ---------- */
.people-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

.people-subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 16px 0 32px 0;
}

.people-subnav a {
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--surface-color);
  font-size: 0.85rem;
}

.person-card {
  background: var(--surface-color);
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 24px var(--shadow-color);
  transition: transform 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
}

.person-card:hover {
  transform: translateY(-4px);
  border-color: var(--sky);
}

.person-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-bottom: 1px solid var(--border-color);
}

.person-card .person-content {
  padding: 14px 14px 16px 14px;
  text-align: left;
}

.person-card h3 {
  font-size: 1rem;
  margin: 4px 0 6px 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.person-card p,
.person-card li {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.person-card ul {
  padding-left: 18px;
  margin: 6px 0 0 0;
}

.profile-action {
  margin-top: 14px;
}

.profile-action .button {
  padding: 8px 14px;
  font-size: 0.82rem;
}

.alumni-list {
  list-style: none;
  padding: 0;
  margin: 20px 0 0 0;
  max-width: 760px;
  border-top: 1px solid var(--border-color);
}

.alumni-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-muted);
}

.alumni-list strong {
  color: var(--heading-color);
}

/* ---------- PUBLICATIONS ---------- */
.pub-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 1rem;
}

.pub-column {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 20px 24px;
  box-shadow: 0 12px 26px var(--shadow-color);
}

.pub-column h2 {
  margin-top: 0;
}

.pub-column details {
  margin-top: 0.4rem;
  font-size: 0.85rem;
}

.pub-column details summary {
  cursor: pointer;
  font-weight: 600;
  color: var(--link-color);
}

.pub-column details pre {
  background: var(--surface-muted);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px;
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 0.82rem;
  line-height: 1.4;
  overflow-x: auto;
  white-space: pre-wrap;
}

.publication-tagline {
  max-width: 900px;
}

.selected-paper-card__meta {
  margin-bottom: 0.6rem;
  color: var(--heading-color);
  font-size: 0.92rem;
}

/* ---------- RESEARCH ---------- */
.research-rotator {
  padding: 0 6vw;
}

.research-rotator__header {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.research-rotator__eyebrow {
  margin: 0 0 8px 0;
  text-transform: uppercase;
  letter-spacing: 0.18rem;
  font-size: 0.76rem;
  color: var(--sky);
}

.research-rotator__title {
  margin-bottom: 0;
  font-size: clamp(1.8rem, 3vw, 2.45rem);
}

.research-rotator__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.research-rotator__tab {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--surface-color);
  color: var(--text-muted);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.research-rotator__tab:hover,
.research-rotator__tab:focus-visible {
  border-color: rgba(142, 198, 255, 0.45);
  color: var(--heading-color);
  outline: none;
}

.research-rotator__tab.is-active {
  background: linear-gradient(120deg, rgba(11, 31, 58, 0.96), rgba(10, 16, 26, 0.98));
  border-color: rgba(142, 198, 255, 0.38);
  color: var(--white);
  box-shadow: 0 12px 28px rgba(4, 10, 20, 0.28);
}

.research-rotator__viewport {
  position: relative;
}

.research-slide {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  align-items: center;
  gap: clamp(20px, 4vw, 48px);
  padding: clamp(24px, 4vw, 36px);
  border-radius: 28px;
  border: 1px solid var(--border-color);
  background:
    radial-gradient(circle at top right, rgba(142, 198, 255, 0.14), transparent 24%),
    linear-gradient(135deg, rgba(10, 16, 26, 0.97), rgba(12, 17, 26, 0.92));
  box-shadow: 0 20px 40px var(--shadow-color);
}

.research-slide[hidden] {
  display: none !important;
}

.research-slide--reverse .research-slide__media {
  order: 2;
}

.research-slide__media {
  display: flex;
  justify-content: center;
  align-items: center;
}

.research-slide__media img {
  width: min(100%, 680px);
  max-height: 420px;
  height: auto;
  object-fit: cover;
  border-radius: 22px;
  box-shadow: 0 18px 36px var(--shadow-color);
}

.research-slide__content {
  padding: 0;
}

.research-slide__content ul {
  margin-top: 0.6rem;
  margin-bottom: 0.8rem;
  padding-left: 1.1rem;
  font-size: 0.95rem;
}

.research-slide__content .thrust-label {
  font-size: 1.08rem;
  letter-spacing: 0.18rem;
  margin-bottom: 14px;
}

.research-slide__content .thrust-question {
  width: min(100%, 460px);
  margin: 0.5rem auto 1rem auto;
  padding: 12px 18px;
  border-radius: 18px;
  border: 1px solid rgba(142, 198, 255, 0.28);
  background:
    linear-gradient(135deg, rgba(142, 198, 255, 0.12), rgba(12, 17, 26, 0.9)),
    var(--surface-muted);
  box-shadow: 0 12px 24px rgba(4, 10, 20, 0.2);
  text-align: center;
}

.research-rotator__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 16px;
}

.research-rotator__status {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  letter-spacing: 0.1rem;
}

.research-rotator__status::after {
  content: "";
  display: block;
  width: 144px;
  height: 4px;
  margin-top: 10px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(255, 203, 5, 0.95), rgba(142, 198, 255, 0.95));
  transform-origin: left center;
}

.research-rotator.is-enhanced .research-rotator__status::after {
  animation: research-rotator-progress var(--rotator-duration, 7s) linear infinite;
}

.research-rotator__nav {
  display: flex;
  gap: 10px;
}

.research-rotator__arrow {
  min-width: 74px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--surface-color);
  color: var(--heading-color);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.research-rotator__arrow:hover,
.research-rotator__arrow:focus-visible {
  border-color: rgba(142, 198, 255, 0.45);
  background: rgba(255, 255, 255, 0.04);
  transform: translateY(-1px);
  outline: none;
}

.research-rotator.is-enhanced .research-slide {
  animation: research-slide-fade 0.38s ease;
}

.research-stack {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 12px;
}

.research-row {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  align-items: center;
  gap: clamp(20px, 4vw, 48px);
  min-height: 0;
  padding: clamp(24px, 4vw, 36px);
  border-radius: 28px;
  border: 1px solid var(--border-color);
  background:
    radial-gradient(circle at top right, rgba(142, 198, 255, 0.14), transparent 24%),
    linear-gradient(135deg, rgba(10, 16, 26, 0.97), rgba(12, 17, 26, 0.92));
  box-shadow: 0 20px 40px var(--shadow-color);
}

.light-mode .research-row {
  background:
    radial-gradient(circle at top right, rgba(142, 198, 255, 0.12), transparent 24%),
    linear-gradient(135deg, rgba(247, 250, 255, 0.98), rgba(232, 240, 250, 0.96));
}

.research-row.reverse .research-image {
  order: 2;
}

.research-image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.research-image img {
  width: min(100%, 600px);
  max-height: 360px;
  height: auto;
  object-fit: cover;
  border-radius: 20px;
  box-shadow: 0 18px 36px var(--shadow-color);
}

.research-text {
  padding: 0;
}

.research-text ul {
  margin-top: 0.5rem;
  margin-bottom: 0.8rem;
  padding-left: 1.1rem;
  font-size: 0.95rem;
}

.research-text a {
  display: inline-block;
  margin-top: 0.4rem;
  font-weight: 600;
}

.research-text .thrust-label {
  font-size: 1.08rem;
  letter-spacing: 0.18rem;
  margin-bottom: 14px;
}

.research-text .thrust-question {
  width: min(100%, 460px);
  margin: 0.5rem 0 1rem 0;
  padding: 12px 18px;
  border-radius: 18px;
  border: 1px solid rgba(142, 198, 255, 0.28);
  background:
    linear-gradient(135deg, rgba(142, 198, 255, 0.12), rgba(12, 17, 26, 0.9)),
    var(--surface-muted);
  box-shadow: 0 12px 24px rgba(4, 10, 20, 0.2);
  text-align: center;
}

.light-mode .research-text .thrust-question {
  background:
    linear-gradient(135deg, rgba(142, 198, 255, 0.14), rgba(255, 255, 255, 0.92)),
    var(--surface-muted);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
  margin-top: 20px;
}

.project-card {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  padding: 20px;
  box-shadow: 0 12px 26px var(--shadow-color);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.project-card:hover {
  transform: translateY(-3px);
  border-color: rgba(142, 198, 255, 0.4);
}

.project-card h3 {
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.project-card p {
  color: var(--text-muted);
}

.project-card__meta {
  margin-bottom: 0.45rem;
  color: var(--sky);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.method-pill {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  letter-spacing: 0;
}

.project-card__link {
  display: inline-block;
  margin-top: 14px;
  font-weight: 700;
}

@keyframes research-slide-fade {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes research-rotator-progress {
  from {
    transform: scaleX(0);
    opacity: 0.75;
  }

  to {
    transform: scaleX(1);
    opacity: 1;
  }
}


/* ---------- MEDIA ---------- */
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 26px;
  margin-top: 20px;
}

.media-card {
  background: var(--surface-color);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: 0 12px 26px var(--shadow-color);
  transition: transform 0.2s ease, border-color 0.2s ease;
  display: flex;
  flex-direction: column;
}

.media-card:hover {
  transform: translateY(-4px);
  border-color: var(--sky);
}

.media-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.media-card.featured {
  grid-column: span 2;
}

.media-card--text {
  justify-content: center;
  min-height: 220px;
}

.media-card .card-content {
  padding: 16px 18px 20px;
}

.media-card h3 {
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.media-card p {
  margin-bottom: 10px;
  color: var(--text-muted);
}

.media-card--text a {
  display: inline-block;
  margin-top: 6px;
  font-weight: 700;
}

.media-date {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12rem;
}

/* ---------- SPACEAGORA ---------- */
.spaceagora-container {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.spaceagora-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  align-items: center;
  background: var(--surface-color);
  padding: 32px 8vw;
}

.spaceagora-row.reverse {
  direction: rtl;
}

.spaceagora-row.reverse > * {
  direction: ltr;
}

.spaceagora-image img {
  width: 100%;
  height: 260px;
  border-radius: 14px;
  object-fit: cover;
}

.spaceagora-row:nth-child(even) {
  background: var(--surface-muted);
}

/* ---------- CONTACT ---------- */
.contact-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2.5rem;
  align-items: start;
  padding: 36px 8vw;
}


.contact-info h3 {
  margin-bottom: 0.4rem;
}

.contact-info hr {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 20px 0;
}

.contact-image img {
  width: 100%;
  border-radius: 14px;
  object-fit: cover;
}

/* ---------- FOOTER ---------- */
.footer {
  width: 100%;
  text-align: center;
  padding: 30px;
  color: var(--footer-text-color);
  font-size: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--footer-bg);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
  .lab-title {
    font-size: 1.08rem;
  }

  .falcon-logo {
    height: 58px;
  }

  .spaceagora-intro {
    grid-template-columns: 1fr;
  }

  .calendar-shell {
    padding: 18px;
  }

  .nav-links {
    gap: 14px;
  }

  .page-hero__content {
    padding-top: 64px;
  }

  .home-thrust-grid {
    grid-template-columns: 1fr;
  }

  .research-rotator {
    padding: 0;
  }

  .research-rotator__header {
    align-items: start;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 154px;
  }

  .topbar {
    height: 82px;
  }

  .navbar {
    top: 82px;
    height: auto;
    min-height: 76px;
  }

  .topbar-container,
  .nav-container {
    padding: 0 20px;
  }

  .lab-title {
    font-size: 0.95rem;
  }

  .falcon-logo {
    height: 54px;
  }

  .nav-container {
    gap: 8px;
    align-items: flex-start;
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .nav-links {
    gap: 8px;
    row-gap: 4px;
    flex-wrap: wrap;
    min-width: 0;
    overflow: visible;
    white-space: normal;
    max-width: calc(100% - 48px);
    flex: 1 1 auto;
  }

  .nav-links a {
    flex: 0 0 auto;
    font-size: 0.8rem;
    padding: 3px 1px;
  }

  .nav-right {
    flex-shrink: 0;
    padding-top: 1px;
  }

  #theme-toggle {
    padding: 5px 9px;
    font-size: 0.7rem;
  }

  .page-hero {
    min-height: 260px;
  }

  .page-hero__content {
    padding: 48px 0 36px;
  }

  .page-hero__actions {
    gap: 10px;
  }

  .research-framing {
    padding: 2px 0 2px 18px;
  }

  .research-stack {
    gap: 18px;
  }

  .research-row {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 22px 0;
  }

  .research-slide {
    grid-template-columns: 1fr;
  }

  .research-slide--reverse .research-slide__media {
    order: 0;
  }

  .research-rotator__footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .research-image img {
    width: min(100%, 620px);
    max-height: 280px;
  }

  .feature-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }

  .media-card.featured {
    grid-column: span 1;
  }

  .home-callout {
    padding: 24px;
  }
}

@media (max-width: 560px) {
  :root {
    --header-height: 154px;
  }

  .nav-links {
    gap: 7px;
    row-gap: 4px;
  }

  .nav-links a {
    font-size: 0.76rem;
  }

  .falcon-logo {
    height: 48px;
  }

  .page-hero__title {
    font-size: 2rem;
  }

  .homepage-carousel img {
    height: 280px;
  }
}