:root {
  --navy-950: #071727;
  --navy-900: #0d2742;
  --navy-800: #173a5f;
  --navy-700: #24557d;
  --teal-700: #157d80;
  --teal-600: #1d9692;
  --teal-100: #dff4f1;
  --violet-700: #6544a8;
  --violet-100: #eee8fb;
  --green-700: #377d3f;
  --green-100: #e6f3e7;
  --ink: #172231;
  --muted: #607083;
  --line: #dce4ec;
  --surface: #ffffff;
  --surface-soft: #f5f8fb;
  --surface-tint: #edf6f6;
  --warning-bg: #fff7df;
  --warning-line: #ebcf74;
  --max-width: 1460px;
  --content-width: 900px;
  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --shadow-sm: 0 8px 22px rgba(13, 39, 66, 0.08);
  --shadow-md: 0 18px 46px rgba(13, 39, 66, 0.12);
  --transition: 180ms ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

img {
  height: auto;
}

a {
  color: var(--navy-700);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--teal-700);
}

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

:focus-visible {
  outline: 3px solid rgba(29, 150, 146, 0.42);
  outline-offset: 3px;
  border-radius: 4px;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 0.65em;
  color: var(--navy-950);
  font-family: Georgia, "Times New Roman", ui-serif, serif;
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(2.45rem, 5.6vw, 5rem);
}

h2 {
  font-size: clamp(2rem, 3.8vw, 3.35rem);
}

h3 {
  font-size: clamp(1.35rem, 2vw, 1.82rem);
}

h4 {
  font-size: 1.12rem;
}

p {
  margin: 0 0 1.1rem;
}

ul,
ol {
  margin: 0 0 1.2rem;
  padding-left: 1.25rem;
}

li + li {
  margin-top: 0.35rem;
}

.container {
  width: min(calc(100% - 2rem), var(--max-width));
  margin-inline: auto;
}

.narrow {
  width: min(calc(100% - 2rem), var(--content-width));
  margin-inline: auto;
}

.section {
  padding: clamp(4rem, 8vw, 7rem) 0;
}

.section-sm {
  padding: clamp(2.8rem, 5vw, 4.5rem) 0;
}

.section-soft {
  background: var(--surface-soft);
}

.section-tint {
  background: linear-gradient(135deg, #eef8f7 0%, #f8fbfd 55%, #f2effb 100%);
}

.section-dark {
  color: #edf5fb;
  background: var(--navy-950);
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: #ffffff;
}

.section-dark a {
  color: #8ce2dd;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: var(--teal-700);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  line-height: 1.2;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 1.7rem;
  height: 2px;
  content: "";
  background: currentColor;
}

.lead {
  max-width: 760px;
  color: #46586b;
  font-size: clamp(1.08rem, 1.7vw, 1.3rem);
  line-height: 1.7;
}

.section-dark .lead {
  color: #c8d6e2;
}

.kicker {
  color: var(--muted);
  font-size: 1.08rem;
  font-weight: 700;
}

.meta-line {
  color: var(--muted);
  font-size: 0.92rem;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--navy-900);
  font-weight: 800;
  text-decoration: none;
}

.text-link::after {
  content: "→";
  transition: transform var(--transition);
}

.text-link:hover::after {
  transform: translateX(4px);
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.7rem 1rem;
  color: #fff;
  background: var(--navy-950);
  border-radius: var(--radius-sm);
  transform: translateY(-150%);
}

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

/* Header */
.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid rgba(220, 228, 236, 0.9);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
}

.header-inner {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 1.4rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--navy-950);
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 46px;
  height: 46px;
  flex: 0 0 auto;
  place-items: center;
  color: #fff;
  background: var(--navy-900);
  border-radius: 13px;
  box-shadow: 0 8px 18px rgba(13, 39, 66, 0.2);
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.brand-copy {
  display: grid;
  line-height: 1.15;
}

.brand-copy strong {
  font-size: 1rem;
}

.brand-copy span {
  margin-top: 0.18rem;
  color: var(--muted);
  font-size: 0.72rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.site-nav a {
  padding: 0.65rem 0.75rem;
  color: #30465d;
  border-radius: 10px;
  font-size: 0.92rem;
  font-weight: 700;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--navy-950);
  background: #edf4f8;
}

.site-nav .nav-cta {
  margin-left: 0.35rem;
  padding-inline: 1rem;
  color: #fff;
  background: var(--navy-900);
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta[aria-current="page"] {
  color: #fff;
  background: var(--teal-700);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  color: var(--navy-950);
  background: #f0f5f8;
  border: 0;
  border-radius: 12px;
  cursor: pointer;
}

.menu-toggle svg {
  width: 22px;
  margin: auto;
}

/* Buttons */
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.8rem;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.1rem;
  color: #fff;
  background: var(--navy-900);
  border: 1px solid var(--navy-900);
  border-radius: 999px;
  font-size: 0.94rem;
  font-weight: 800;
  text-decoration: none;
  transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
}

.button:hover {
  color: #fff;
  background: var(--teal-700);
  border-color: var(--teal-700);
  box-shadow: 0 9px 22px rgba(21, 125, 128, 0.2);
  transform: translateY(-2px);
}

.button-secondary {
  color: var(--navy-900);
  background: #fff;
  border-color: #b9c7d4;
}

.button-secondary:hover {
  color: var(--navy-950);
  background: #eef6f7;
  border-color: var(--teal-600);
}

.button-light {
  color: var(--navy-950);
  background: #fff;
  border-color: #fff;
}

.button-light:hover {
  color: var(--navy-950);
  background: #dff4f1;
  border-color: #dff4f1;
}

.button-ghost-light {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.38);
}

.button-ghost-light:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.65);
}

/* Home hero */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3.3rem, 7vw, 6.7rem) 0 clamp(4rem, 8vw, 7rem);
  background:
    radial-gradient(circle at 12% 12%, rgba(29, 150, 146, 0.11), transparent 32%),
    radial-gradient(circle at 90% 4%, rgba(101, 68, 168, 0.1), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, #f6f9fc 100%);
}

.hero-grid {
  display: grid;
  align-items: center;
  gap: clamp(2.2rem, 5vw, 5rem);
  grid-template-columns: minmax(0, 0.92fr) minmax(440px, 1.08fr);
}

.hero h1 {
  max-width: 730px;
  font-size: clamp(2.65rem, 5.3vw, 5rem);
}

.hero-title-accent {
  color: var(--teal-700);
}

.hero-copy .lead {
  max-width: 650px;
}

.hero-media {
  position: relative;
}

.hero-media::before {
  position: absolute;
  z-index: 0;
  inset: 9% 3% -5% 8%;
  content: "";
  background: linear-gradient(135deg, rgba(29, 150, 146, 0.16), rgba(101, 68, 168, 0.1));
  border-radius: 34px;
  filter: blur(1px);
  transform: rotate(2deg);
}

.hero-media img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  background: #fff;
  border: 1px solid #e2eaf1;
  border-radius: 26px;
  box-shadow: var(--shadow-md);
}

.hero-note {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.hero-note svg {
  width: 18px;
  flex: 0 0 auto;
  margin-top: 0.22rem;
  color: var(--teal-700);
}

/* Cards */
.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2.2rem;
}

.section-heading > div {
  max-width: 780px;
}

.section-heading p:last-child {
  margin-bottom: 0;
}

.card-grid {
  display: grid;
  gap: 1.3rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card-grid.two {
  align-items: start;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  position: relative;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.card:hover {
  border-color: #bdccd9;
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.card-media {
  display: grid;
  overflow: hidden;
  height: clamp(220px, 17vw, 285px);
  min-height: 0;
  background: #f1f5f8;
  border-bottom: 1px solid var(--line);
  place-items: center;
}

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

.card-media.contain img {
  padding: 0.5rem;
  object-fit: contain;
}

.card-body {
  padding: 1.35rem 1.35rem 1.45rem;
}

.card-body h3 {
  margin-bottom: 0.55rem;
}

.card-body p {
  color: #4e6173;
  font-size: 0.96rem;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.1rem;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  padding: 0.38rem 0.68rem;
  color: #245f31;
  background: var(--green-100);
  border: 1px solid #c7e1c9;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 800;
  line-height: 1.25;
}

.status::before {
  width: 7px;
  height: 7px;
  content: "";
  background: #4c9957;
  border-radius: 50%;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem;
  margin: 0.9rem 0 0;
}

.tag {
  padding: 0.32rem 0.58rem;
  color: var(--navy-700);
  background: #eef3f7;
  border-radius: 999px;
  font-size: 0.73rem;
  font-weight: 800;
}

.metric-row {
  display: grid;
  gap: 0.65rem;
  margin: 1rem 0 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-mini {
  padding: 0.65rem;
  background: #f4f7fa;
  border-radius: 10px;
}

.metric-mini strong {
  display: block;
  color: var(--navy-950);
  font-size: 0.98rem;
  line-height: 1.2;
}

.metric-mini span {
  color: var(--muted);
  font-size: 0.67rem;
  font-weight: 700;
  line-height: 1.2;
}

/* Pillars */
.pillar-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pillar {
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(191, 212, 221, 0.8);
  border-radius: var(--radius-md);
}

.pillar-icon {
  display: grid;
  width: 48px;
  height: 48px;
  margin-bottom: 1rem;
  color: var(--teal-700);
  background: var(--teal-100);
  border-radius: 14px;
  place-items: center;
}

.pillar-icon svg {
  width: 25px;
}

.pillar h3 {
  font-size: 1.35rem;
}

.pillar p {
  margin-bottom: 0;
  color: #4c6174;
  font-size: 0.94rem;
}

/* Previous research */
.previous-grid {
  display: grid;
  gap: 1.2rem;
  grid-template-columns: repeat(6, 1fr);
}

.previous-card {
  grid-column: span 2;
}

.previous-card:nth-child(4),
.previous-card:nth-child(5) {
  grid-column: span 3;
}

.previous-card .card-media {
  min-height: 0;
  background: #ffffff;
}

.previous-card .card-media img,
.previous-grid .card-media img {
  padding: 0.3rem;
  background: #ffffff;
  object-fit: contain;
}

.lineage {
  display: grid;
  gap: 1rem;
  margin-top: 2.5rem;
  grid-template-columns: 1fr auto 1fr;
}

.lineage-column {
  padding: 1.35rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.lineage-column h3 {
  font-size: 1.28rem;
}

.lineage-list {
  display: grid;
  gap: 0.55rem;
}

.lineage-item {
  padding: 0.7rem 0.8rem;
  color: #30475f;
  background: #f3f6f9;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 700;
}

.lineage-arrow {
  display: grid;
  width: 60px;
  color: var(--teal-700);
  place-items: center;
}

.lineage-arrow svg {
  width: 42px;
}

.lineage-target {
  padding: 0.8rem;
  color: #fff;
  background: var(--navy-900);
  border-radius: 12px;
  font-size: 0.88rem;
  font-weight: 800;
}

/* CTA */
.cta {
  display: grid;
  align-items: center;
  gap: 2rem;
  padding: clamp(2rem, 4vw, 3.3rem);
  color: #e7f0f7;
  background:
    radial-gradient(circle at 85% 20%, rgba(60, 177, 170, 0.25), transparent 30%),
    linear-gradient(135deg, var(--navy-950), #143d5d);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  grid-template-columns: minmax(0, 1fr) auto;
}

.cta h2,
.cta h3 {
  color: #fff;
}

.cta p {
  max-width: 760px;
  margin-bottom: 0;
  color: #cad9e5;
}

/* News */
.news-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.news-card {
  padding: 1.35rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.news-date {
  color: var(--teal-700);
  font-size: 0.77rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.news-card h3 {
  margin: 0.55rem 0;
  font-size: 1.32rem;
}

.news-card p {
  color: #506276;
  font-size: 0.93rem;
}

/* PI */
.pi-grid {
  display: grid;
  align-items: center;
  gap: 2.5rem;
  grid-template-columns: 260px minmax(0, 1fr);
}

.pi-placeholder {
  display: grid;
  aspect-ratio: 4 / 5;
  place-items: center;
  color: #fff;
  background:
    radial-gradient(circle at 30% 25%, rgba(73, 184, 176, 0.48), transparent 34%),
    linear-gradient(145deg, #153e5e, #0b2035);
  border-radius: 24px;
  box-shadow: var(--shadow-md);
  font-family: Georgia, serif;
  font-size: 3.7rem;
  font-weight: 700;
}

.pi-placeholder small {
  display: block;
  margin-top: -4rem;
  color: #b9ccd9;
  font-family: Inter, sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Page hero */
.page-hero {
  padding: clamp(3.2rem, 6vw, 5.5rem) 0;
  background: linear-gradient(180deg, #f3f8fa 0%, #ffffff 100%);
  border-bottom: 1px solid var(--line);
}

.page-hero-grid {
  display: grid;
  align-items: center;
  gap: 3rem;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
}

.page-hero h1 {
  font-size: clamp(2.45rem, 4.9vw, 4.45rem);
}

.page-hero-media img {
  width: 100%;
  height: auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow-md);
}

.page-hero-media.dark img {
  background: #05070a;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.1rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
}

.breadcrumbs a {
  color: var(--navy-700);
  text-decoration: none;
}

.breadcrumbs span:not(:last-child)::after,
.breadcrumbs a::after {
  margin-left: 0.4rem;
  color: #9aa8b5;
  content: "/";
}

/* Detailed pages */
.article-layout {
  display: grid;
  align-items: start;
  gap: 3.5rem;
  grid-template-columns: minmax(0, 1fr) 310px;
}

.prose {
  max-width: var(--content-width);
}

.prose h2 {
  margin-top: 2.7rem;
  font-size: clamp(1.7rem, 3vw, 2.45rem);
}

.prose h3 {
  margin-top: 2rem;
}

.prose p,
.prose li {
  color: #34495d;
}

.prose strong {
  color: var(--navy-950);
}

.prose blockquote {
  margin: 1.8rem 0;
  padding: 1.2rem 1.35rem;
  color: #294155;
  background: #edf7f5;
  border-left: 4px solid var(--teal-600);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.prose blockquote p:last-child {
  margin-bottom: 0;
}

.sidebar {
  position: sticky;
  top: 104px;
}

.sidebar-card {
  padding: 1.25rem;
  background: #f5f8fb;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

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

.sidebar-card h3 {
  font-family: Inter, sans-serif;
  font-size: 0.98rem;
  letter-spacing: 0;
}

.sidebar-card p,
.sidebar-card li {
  color: #4d6072;
  font-size: 0.85rem;
}

.sidebar-card ul {
  padding-left: 1.1rem;
}

.toc a {
  display: block;
  padding: 0.38rem 0;
  color: #3c5368;
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
}

.toc a:hover {
  color: var(--teal-700);
}

.metric-grid {
  display: grid;
  gap: 0.9rem;
  margin: 1.7rem 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.metric-card {
  padding: 1.15rem;
  background: #f4f8fa;
  border: 1px solid #dbe8ec;
  border-radius: 14px;
}

.metric-card strong {
  display: block;
  color: var(--navy-950);
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  line-height: 1.15;
}

.metric-card span {
  display: block;
  margin-top: 0.3rem;
  color: var(--muted);
  font-size: 0.79rem;
  font-weight: 700;
  line-height: 1.35;
}

.figure {
  align-self: start;
  margin: 2rem 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.figure.dark {
  background: #030507;
}

.figure img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.figure figcaption {
  padding: 1rem 1.1rem;
  color: #536678;
  background: #fff;
  border-top: 1px solid var(--line);
  font-size: 0.84rem;
}

.callout {
  margin: 1.7rem 0;
  padding: 1.2rem 1.35rem;
  background: #f6f2fd;
  border: 1px solid #ddd0f4;
  border-radius: var(--radius-md);
}

.callout h3,
.callout h4 {
  color: #4d3386;
}

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

.callout.support {
  background: #edf7f5;
  border-color: #c9e5df;
}

.callout.support h3,
.callout.support h4 {
  color: #196b68;
}

.notice {
  margin: 1.5rem 0;
  padding: 1rem 1.1rem;
  color: #594a1b;
  background: var(--warning-bg);
  border: 1px solid var(--warning-line);
  border-radius: 12px;
  font-size: 0.9rem;
}

.check-list {
  padding-left: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.65rem;
}

.check-list li::before {
  position: absolute;
  top: 0.08rem;
  left: 0;
  color: var(--teal-700);
  content: "✓";
  font-weight: 900;
}

.data-table {
  width: 100%;
  margin: 1.5rem 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-collapse: separate;
  border-spacing: 0;
  border-radius: 14px;
}

.data-table th,
.data-table td {
  padding: 0.8rem 0.9rem;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.data-table th {
  color: var(--navy-950);
  background: #edf3f7;
  font-size: 0.82rem;
}

.data-table td {
  color: #405467;
  font-size: 0.88rem;
}

.data-table tr:last-child td {
  border-bottom: 0;
}

.video-placeholder {
  display: grid;
  min-height: 310px;
  margin: 1.7rem 0;
  padding: 1.5rem;
  place-items: center;
  text-align: center;
  color: #d6e5ef;
  background:
    radial-gradient(circle at 50% 40%, rgba(40, 150, 145, 0.25), transparent 33%),
    #081b2d;
  border: 1px solid #1f445f;
  border-radius: var(--radius-md);
}

.video-placeholder svg {
  width: 52px;
  margin: 0 auto 0.9rem;
  color: #76d2cb;
}

.video-placeholder p {
  max-width: 520px;
  margin-bottom: 0;
  color: #b7cbd9;
}

.credit-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.credit-item {
  padding: 0.85rem;
  background: #f5f8fb;
  border-radius: 12px;
}

.credit-item strong {
  display: block;
  font-size: 0.8rem;
}

.credit-item span {
  color: #526577;
  font-size: 0.85rem;
}

/* Opportunities */
.opportunity-status {
  display: grid;
  gap: 1rem;
  margin-top: 1.7rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.status-card {
  padding: 1rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.status-card strong {
  display: block;
  color: var(--navy-950);
}

.status-card span {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.steps {
  display: grid;
  gap: 1rem;
  counter-reset: step;
}

.step {
  position: relative;
  padding: 1.3rem 1.3rem 1.3rem 4.2rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  counter-increment: step;
}

.step::before {
  position: absolute;
  top: 1.15rem;
  left: 1.15rem;
  display: grid;
  width: 2.2rem;
  height: 2.2rem;
  place-items: center;
  color: #fff;
  background: var(--navy-900);
  border-radius: 50%;
  content: counter(step);
  font-size: 0.88rem;
  font-weight: 900;
}

.step h3 {
  margin-bottom: 0.35rem;
  font-family: Inter, sans-serif;
  font-size: 1.05rem;
}

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

.faq details {
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.faq summary {
  color: var(--navy-950);
  cursor: pointer;
  font-weight: 800;
}

.faq details p {
  margin: 0.8rem 0 0;
  color: #4c6072;
}

/* Footer */
.site-footer {
  padding: 3.2rem 0 1.5rem;
  color: #becbd6;
  background: var(--navy-950);
}

.footer-grid {
  display: grid;
  gap: 2.2rem;
  grid-template-columns: 1.5fr 1fr 1fr;
}

.site-footer h2,
.site-footer h3 {
  color: #fff;
  font-family: Inter, sans-serif;
  letter-spacing: 0;
}

.site-footer h2 {
  font-size: 1.2rem;
}

.site-footer h3 {
  font-size: 0.92rem;
}

.site-footer p,
.site-footer a {
  color: #aebeca;
  font-size: 0.86rem;
}

.footer-links {
  display: grid;
  gap: 0.45rem;
}

.footer-links a {
  text-decoration: none;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 1.1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-bottom p {
  margin: 0;
  font-size: 0.76rem;
}

/* Responsive */
@media (max-width: 1040px) {
  .site-nav a {
    padding-inline: 0.55rem;
    font-size: 0.84rem;
  }

  .brand-copy span {
    display: none;
  }

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

  .hero-copy {
    max-width: 850px;
  }

  .hero-media,
  .page-hero-media {
    max-width: 870px;
    margin-inline: auto;
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

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

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

  .previous-card,
  .previous-card:nth-child(4),
  .previous-card:nth-child(5) {
    grid-column: auto;
  }
}

@media (max-width: 820px) {
  .menu-toggle {
    display: grid;
    place-items: center;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 1rem;
    left: 1rem;
    display: none;
    padding: 0.7rem;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
  }

  .site-nav[data-open="true"] {
    display: grid;
  }

  .site-nav a {
    padding: 0.75rem 0.85rem;
  }

  .site-nav .nav-cta {
    margin: 0.35rem 0 0;
    text-align: center;
  }

  .card-grid,
  .card-grid.two,
  .pillar-grid,
  .news-grid,
  .opportunity-status {
    grid-template-columns: 1fr;
  }

  .previous-grid {
    grid-template-columns: 1fr;
  }

  .lineage {
    grid-template-columns: 1fr;
  }

  .lineage-arrow {
    width: auto;
    min-height: 48px;
    transform: rotate(90deg);
  }

  .cta {
    grid-template-columns: 1fr;
  }

  .pi-grid {
    grid-template-columns: 180px minmax(0, 1fr);
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid > :first-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 600px) {
  .container,
  .narrow {
    width: min(calc(100% - 1.2rem), var(--max-width));
  }

  .header-inner {
    min-height: 70px;
  }

  .brand-mark {
    width: 42px;
    height: 42px;
  }

  .brand-copy strong {
    max-width: 210px;
    font-size: 0.86rem;
  }

  .hero {
    padding-top: 2.5rem;
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(2.2rem, 12vw, 3.3rem);
  }

  .section-heading {
    display: block;
  }

  .section-heading .text-link {
    margin-top: 0.6rem;
  }

  .card-media {
    height: clamp(190px, 62vw, 285px);
    min-height: 0;
  }

  .metric-row,
  .metric-grid,
  .credit-grid {
    grid-template-columns: 1fr;
  }

  .pi-grid {
    grid-template-columns: 1fr;
  }

  .pi-placeholder {
    width: min(230px, 72vw);
  }

  .sidebar {
    grid-template-columns: 1fr;
  }

  .data-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid > :first-child {
    grid-column: auto;
  }

  .footer-bottom {
    display: block;
  }

  .footer-bottom p + p {
    margin-top: 0.45rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  .site-header,
  .site-footer,
  .button-row,
  .sidebar,
  .cta,
  .menu-toggle {
    display: none !important;
  }

  body {
    color: #000;
  }

  .section,
  .page-hero {
    padding: 1rem 0;
  }

  .article-layout {
    display: block;
  }

  a {
    color: #000;
  }
}

/* Version 1 additions */
.pi-photo,
.profile-hero-photo {
  width: 100%;
  height: auto;
  object-fit: cover;
  object-position: 50% 42%;
  background: #f2f4f6;
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow-md);
}

.pi-photo {
  aspect-ratio: 4 / 5;
}

.profile-hero {
  display: grid;
  align-items: center;
  gap: clamp(2rem, 5vw, 5rem);
  grid-template-columns: minmax(0, 1fr) minmax(260px, 390px);
}

.profile-hero-photo {
  aspect-ratio: 4 / 5;
}

.education-panel {
  padding: clamp(2rem, 4vw, 3.2rem);
  background: linear-gradient(135deg, #f7fafc, #edf7f5);
  border: 1px solid #cfe3e2;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.interest-grid {
  display: grid;
  gap: 0.7rem;
  margin: 1.4rem 0 2rem;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.interest-grid > div {
  padding: 0.9rem;
  color: var(--navy-900);
  background: #f2f7f8;
  border: 1px solid #d7e7e7;
  border-radius: 12px;
  font-size: 0.88rem;
  font-weight: 800;
  text-align: center;
}

.timeline {
  position: relative;
  display: grid;
  gap: 1rem;
  margin: 1.5rem 0 2.4rem;
  padding-left: 1.5rem;
}

.timeline::before {
  position: absolute;
  top: 0.4rem;
  bottom: 0.4rem;
  left: 0.35rem;
  width: 2px;
  content: "";
  background: #c8dce0;
}

.timeline-item {
  position: relative;
  padding: 1.1rem 1.2rem;
  background: #f7fafc;
  border: 1px solid var(--line);
  border-radius: 14px;
}

.timeline-item::before {
  position: absolute;
  top: 1.35rem;
  left: -1.55rem;
  width: 12px;
  height: 12px;
  content: "";
  background: var(--teal-600);
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 0 2px #bcd9d8;
}

.timeline-item > span {
  color: var(--teal-700);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.timeline-item h3 {
  margin: 0.25rem 0 0.35rem;
  font-family: Inter, sans-serif;
  font-size: 1.08rem;
  letter-spacing: 0;
}

.timeline-item p:last-child {
  margin-bottom: 0;
}

.video-grid {
  display: grid;
  gap: 1.2rem;
  margin: 1.5rem 0 2rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.video-card {
  overflow: hidden;
  margin: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.video-card video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #061523;
}

.video-card figcaption {
  padding: 1.1rem 1.2rem 1.25rem;
}

.video-card h3 {
  margin: 0.3rem 0 0.45rem;
  font-family: Inter, sans-serif;
  font-size: 1.08rem;
  letter-spacing: 0;
}

.video-card p:last-child {
  margin-bottom: 0;
  color: #536678;
  font-size: 0.88rem;
}

.video-label {
  color: var(--teal-700);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.publication-feature .card-media {
  background: #fff;
}

.publication-feature .card-media img {
  padding: 0.35rem;
  object-fit: contain;
}

.publication-list {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.publication-item {
  display: grid;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  grid-template-columns: 76px minmax(0, 1fr);
}

.publication-list.compact .publication-item {
  grid-template-columns: 86px minmax(0, 1fr);
}

.pub-year {
  color: var(--teal-700);
  font-size: 0.86rem;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.publication-item h3 {
  margin: 0 0 0.35rem;
  font-family: Inter, sans-serif;
  font-size: 1.03rem;
  letter-spacing: 0;
}

.publication-item p {
  margin-bottom: 0.55rem;
  color: #4b6072;
  font-size: 0.9rem;
}

.pub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.news-archive {
  display: grid;
  gap: 1.2rem;
}

.news-entry {
  padding: clamp(1.5rem, 3vw, 2.3rem);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.news-entry h2 {
  margin: 0.45rem 0 0.7rem;
  font-size: clamp(1.45rem, 2.7vw, 2.2rem);
}

.placeholder-block {
  margin: 1rem 0;
  padding: 1rem 1.15rem;
  color: #536678;
  background: #f4f7fa;
  border: 1px dashed #aebfcd;
  border-radius: 12px;
  font-size: 0.9rem;
}

.placeholder-block.large {
  min-height: 240px;
  display: grid;
  align-content: center;
  text-align: center;
}

.contact-grid {
  display: grid;
  gap: 1.3rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.contact-card {
  padding: clamp(1.5rem, 3vw, 2.2rem);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.contact-card h2 {
  font-size: 1.7rem;
}

.error-page {
  padding-block: 5rem;
  text-align: center;
}

.error-page .button-row {
  justify-content: center;
}

.lineage-expanded + .lineage-expanded {
  margin-top: 1.2rem;
}

@media (max-width: 1160px) {
  .menu-toggle {
    display: grid;
    place-items: center;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 1px);
    right: 1rem;
    left: 1rem;
    display: none;
    padding: 0.7rem;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
  }

  .site-nav[data-open="true"] {
    display: grid;
  }

  .site-nav a {
    padding: 0.75rem 0.85rem;
  }

  .site-nav .nav-cta {
    margin: 0.35rem 0 0;
    text-align: center;
  }

  .profile-hero {
    grid-template-columns: minmax(0, 1fr) 300px;
  }
}

@media (max-width: 900px) {
  .profile-hero,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .profile-hero-photo {
    width: min(340px, 80vw);
    margin-inline: auto;
  }

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

@media (max-width: 720px) {
  .video-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .publication-item,
  .publication-list.compact .publication-item {
    grid-template-columns: 1fr;
  }

  .pub-year {
    margin-bottom: -0.45rem;
  }
}

@media (max-width: 520px) {
  .interest-grid {
    grid-template-columns: 1fr;
  }
}

/* Previous-project cards used inside regular card grids should not inherit the six-column landing-page span. */
.card-grid .previous-card,
.card-grid.two .previous-card {
  grid-column: auto;
}

/* Prevent wide tables or media from forcing detailed-page grid columns beyond the viewport. */
.article-layout > *,
.prose,
.sidebar {
  min-width: 0;
}

.prose {
  width: 100%;
}

.data-table {
  max-width: 100%;
}