:root {
  --ink: #e8f1ed;
  --ink-soft: #a9bfb6;
  --paper: #0b1412;
  --paper-2: #121c19;
  --mist: #1a2924;
  --accent: #3dcb9a;
  --accent-deep: #249e74;
  --accent-2: #6eb6d4;
  --line: rgba(232, 241, 237, 0.12);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
  --display: "Source Serif 4", "Source Serif Pro", Georgia, "Times New Roman", serif;
  --sans: "Source Sans 3", "Source Sans Pro", "Helvetica Neue", sans-serif;
  --max: 1120px;
  --narrow: 720px;
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 0.76rem;
  line-height: 1.6;
  background:
    radial-gradient(1100px 560px at 12% -8%, rgba(61, 203, 154, 0.16), transparent 55%),
    radial-gradient(900px 520px at 92% 4%, rgba(110, 182, 212, 0.12), transparent 52%),
    linear-gradient(180deg, #0a1210 0%, var(--paper) 32%, #0d1714 100%);
  min-height: 100vh;
}

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

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

a:hover {
  color: #8ae7c4;
}

h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink);
}

h1 {
  font-size: clamp(2rem, 4.8vw, 3.4rem);
  margin: 0.2rem 0 1rem;
}

h2 {
  font-size: clamp(1.45rem, 2.8vw, 2.05rem);
  margin: 0 0 1rem;
}

h3 {
  font-size: 1.08rem;
  margin: 0 0 0.5rem;
}

p {
  margin: 0 0 1rem;
}

.shell {
  width: min(var(--max), calc(100% - 2.5rem));
  margin-inline: auto;
}

.narrow {
  width: min(var(--narrow), calc(100% - 2.5rem));
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--accent);
  color: #06110e;
  padding: 0.6rem 0.9rem;
  z-index: 100;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(11, 20, 18, 0.82);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.25rem;
}

.brand {
  font-family: var(--display);
  font-size: 1.02rem;
  font-weight: 650;
  color: var(--ink);
  text-decoration: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
}

.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 500;
}

.site-nav a[aria-current="page"],
.site-nav a:hover {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 0.5rem;
  padding: 0.55rem;
  flex-direction: column;
  justify-content: center;
  gap: 0.35rem;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: #070e0c;
}

.hero-portrait {
  position: absolute;
  top: 0;
  right: 0;
  width: min(58vw, 760px);
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: saturate(0.92) contrast(1.04);
}

.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, #070e0c 0%, rgba(7, 14, 12, 0.92) 34%, rgba(7, 14, 12, 0.55) 58%, rgba(7, 14, 12, 0.18) 78%, transparent 100%),
    linear-gradient(180deg, rgba(7, 14, 12, 0.2) 0%, rgba(7, 14, 12, 0.15) 45%, rgba(7, 14, 12, 0.92) 100%);
  pointer-events: none;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(61, 203, 154, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 203, 154, 0.12) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(circle at 70% 35%, black 0%, transparent 70%);
  animation: drift 28s linear infinite;
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(8px);
  opacity: 0.5;
}

.hero-orb-a {
  width: 280px;
  height: 280px;
  right: 12%;
  top: 18%;
  background: radial-gradient(circle, rgba(110, 182, 212, 0.45), transparent 70%);
  animation: float 9s ease-in-out infinite;
}

.hero-orb-b {
  width: 420px;
  height: 420px;
  left: -5%;
  bottom: 5%;
  background: radial-gradient(circle, rgba(61, 203, 154, 0.35), transparent 70%);
  animation: float 12s ease-in-out infinite reverse;
}

.hero-copy {
  padding: 7rem 0 4.5rem;
  max-width: 820px;
  color: var(--ink);
}

.hero-copy h1,
.hero-copy .brand-mark,
.hero-copy .eyebrow,
.hero-copy .lead {
  color: var(--ink);
}

.brand-mark {
  font-family: var(--display);
  font-size: clamp(1.7rem, 4vw, 2.65rem);
  font-weight: 700;
  margin: 0 0 0.35rem;
  letter-spacing: -0.03em;
}

.eyebrow,
.section-kicker,
.meta {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 0.75rem;
}

.hero .eyebrow {
  color: rgba(232, 241, 237, 0.72);
}

.lead {
  font-size: clamp(0.95rem, 1.7vw, 1.1rem);
  max-width: 42rem;
  color: var(--ink-soft);
}

.hero .lead {
  color: rgba(232, 241, 237, 0.82);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.7rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--accent);
  color: #06110e;
}

.btn-primary:hover {
  background: #5fd9b0;
  color: #06110e;
}

.btn-ghost {
  background: rgba(232, 241, 237, 0.06);
  border-color: rgba(232, 241, 237, 0.28);
  color: var(--ink);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.section .btn-ghost,
.page-hero .btn-ghost,
.connect .btn-ghost {
  background: rgba(232, 241, 237, 0.04);
  border-color: var(--line);
  color: var(--ink);
}

.section {
  padding: 4.5rem 0;
  position: relative;
}

.section-tint {
  background: linear-gradient(180deg, rgba(26, 41, 36, 0.85), rgba(18, 28, 25, 0.55));
  border-block: 1px solid var(--line);
}

.section-visual {
  isolation: isolate;
  overflow: hidden;
  border-block: 1px solid transparent;
  padding: 5.25rem 0;
}

.section-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-size: cover;
  background-position: center;
  transform: scale(1.04);
  filter: saturate(0.85) brightness(0.72);
}

.section-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(7, 14, 12, 0.78), rgba(7, 14, 12, 0.88)),
    linear-gradient(90deg, rgba(7, 14, 12, 0.55), rgba(7, 14, 12, 0.25) 55%, rgba(7, 14, 12, 0.6));
}

.section-visual--molecules::before {
  background-image: url("/assets/images/bg-molecules.jpg");
}

.section-visual--data::before {
  background-image: url("/assets/images/bg-data.jpg");
}

.section-visual--lab::before {
  background-image: url("/assets/images/bg-lab.jpg");
}

.section-visual--soft::before {
  background-image: url("/assets/images/bg-molecules.jpg");
  background-position: 50% 70%;
  filter: saturate(0.7) brightness(0.55);
}

.section-visual--soft::after {
  background:
    linear-gradient(180deg, rgba(7, 14, 12, 0.86), rgba(7, 14, 12, 0.92)),
    radial-gradient(ellipse at 80% 20%, rgba(61, 203, 154, 0.08), transparent 55%);
}

.section-visual--dim::after {
  background:
    linear-gradient(180deg, rgba(7, 14, 12, 0.88), rgba(7, 14, 12, 0.94)),
    linear-gradient(90deg, rgba(7, 14, 12, 0.7), rgba(7, 14, 12, 0.45) 60%, rgba(7, 14, 12, 0.75));
}

.visual-break {
  position: relative;
  height: clamp(140px, 22vw, 260px);
  overflow: hidden;
  isolation: isolate;
  border-block: 1px solid var(--line);
}

.visual-break::before {
  content: "";
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: saturate(0.9) brightness(0.7);
  transform: scale(1.05);
  animation: pan-slow 28s ease-in-out infinite alternate;
}

.visual-break::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7, 14, 12, 0.55), rgba(7, 14, 12, 0.15) 45%, rgba(7, 14, 12, 0.55)),
    linear-gradient(180deg, rgba(7, 14, 12, 0.35), rgba(7, 14, 12, 0.55));
}

.visual-break--lab::before {
  background-image: url("/assets/images/bg-lab.jpg");
}

.visual-break--data::before {
  background-image: url("/assets/images/bg-data.jpg");
}

.visual-break--molecules::before {
  background-image: url("/assets/images/bg-molecules.jpg");
}

@keyframes pan-slow {
  from { transform: scale(1.05) translate3d(0, 0, 0); }
  to { transform: scale(1.1) translate3d(-1.5%, -1%, 0); }
}

.page-hero {
  padding: 5.5rem 0 2rem;
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.page-hero--visual {
  padding: 5.75rem 0 3.25rem;
  margin-bottom: 0;
}

.page-hero--visual::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background-size: cover;
  background-position: center;
  filter: saturate(0.8) brightness(0.62);
}

.page-hero--visual::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(7, 14, 12, 0.72), rgba(7, 14, 12, 0.9)),
    linear-gradient(90deg, rgba(7, 14, 12, 0.65), rgba(7, 14, 12, 0.3) 70%);
}

.page-hero--molecules::before {
  background-image: url("/assets/images/bg-molecules.jpg");
}

.page-hero--data::before {
  background-image: url("/assets/images/bg-data.jpg");
}

.page-hero--lab::before {
  background-image: url("/assets/images/bg-lab.jpg");
}

.about-intro {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: end;
}

.about-portrait {
  margin: 0;
  justify-self: end;
  width: min(100%, 360px);
}

.about-portrait img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0;
  mask-image: linear-gradient(180deg, #000 78%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, #000 78%, transparent 100%);
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: start;
}

.focus-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.focus-list.three {
  grid-template-columns: repeat(3, 1fr);
}

.focus-item,
.pub-item,
.project-item,
.contact-channel {
  padding-top: 0.35rem;
  border-top: 1px solid var(--line);
}

.toolkit,
.plain-list,
.credential-list,
.resource-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toolkit {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-content: start;
}

.toolkit li {
  padding: 0.45rem 0.75rem;
  background: rgba(61, 203, 154, 0.1);
  border: 1px solid rgba(61, 203, 154, 0.28);
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 500;
  color: #c9efe0;
}

.plain-list li,
.credential-list li {
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--line);
}

.pub-list,
.project-list {
  display: grid;
  gap: 1.75rem;
  margin: 1.5rem 0;
}

.project-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
}

.status {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-2);
  font-weight: 600;
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line);
}

.timeline li {
  position: relative;
  padding: 0 0 1.4rem 1.2rem;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 0.45rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
}

.timeline .year {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}

.timeline .title {
  display: block;
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 600;
}

.timeline .place {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.text-link {
  font-weight: 600;
  text-decoration: none;
  color: var(--accent);
}

.text-link:hover {
  color: #8ae7c4;
}

.pull-quote {
  margin: 1.75rem 0 0;
  padding: 1.25rem 0 0;
  border-top: 1px solid var(--line);
  font-family: var(--display);
  font-size: clamp(1.15rem, 2.1vw, 1.5rem);
  line-height: 1.35;
  color: var(--ink);
}

.methods {
  display: grid;
  gap: 1rem;
  margin: 1.25rem 0 0;
}

.methods dt {
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.methods dd {
  margin: 0;
  color: var(--ink-soft);
}

.resource-list li {
  border-top: 1px solid var(--line);
  padding: 1rem 0;
}

.resource-list a {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
}

.resource-type {
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.email-line {
  font-family: var(--display);
  font-size: clamp(1.05rem, 2vw, 1.4rem);
  font-weight: 600;
  text-decoration: none;
  color: var(--ink);
}

.prose {
  max-width: 46rem;
}

.muted {
  color: var(--ink-soft);
}

.small {
  font-size: 0.88rem;
}

.connect {
  text-align: left;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 3rem;
  background: rgba(8, 14, 12, 0.9);
}

.footer-inner {
  display: grid;
  gap: 1.25rem;
}

.footer-brand {
  font-family: var(--display);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 0.25rem;
}

.footer-links,
.profiles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
}

.footer-links a {
  text-decoration: none;
  font-weight: 500;
}

code {
  color: #b7e8d4;
  background: rgba(61, 203, 154, 0.1);
  padding: 0.1em 0.35em;
  border-radius: 0.3em;
  font-size: 0.92em;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  animation: rise 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.32s; }
.delay-4 { animation-delay: 0.44s; }

@keyframes rise {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

@keyframes drift {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-48px, -24px, 0); }
}

/* ==========================================================================
   Academic Research Group Styles (Clean, Restrained, Substance-First)
   ========================================================================== */

.btn-sm {
  min-height: 2.1rem;
  padding: 0.35rem 0.85rem;
  font-size: 0.82rem;
}

.section-heading {
  margin-bottom: 2rem;
}

.section-heading .lead {
  max-width: 50rem;
}

/* Group Hero */
.lab-hero {
  position: relative;
  padding: 5rem 0 3rem;
  overflow: hidden;
}

.lab-title {
  font-size: clamp(2rem, 3.8vw, 2.9rem);
  margin: 0.2rem 0 0.4rem;
  line-height: 1.18;
}

.lab-subtitle {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--accent-2);
  margin: 0 0 0.75rem;
  font-weight: 500;
}

.lab-ethos {
  font-size: 0.94rem;
  color: var(--ink);
  background: rgba(61, 203, 154, 0.08);
  border-left: 3px solid var(--accent);
  padding: 0.55rem 0.95rem;
  margin: 0.65rem 0 1rem;
  border-radius: 0 4px 4px 0;
  max-width: 52rem;
  line-height: 1.5;
}

.lab-ethos strong {
  color: var(--accent);
}

.lab-affiliation {
  font-size: 0.95rem;
  color: var(--ink);
  line-height: 1.55;
  margin-bottom: 1.25rem;
}

.lab-lead {
  max-width: 52rem;
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  color: var(--ink-soft);
  margin-bottom: 1.5rem;
  line-height: 1.65;
}

.lab-quicknav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.6rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.lab-quicknav a {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-soft);
  background: rgba(232, 241, 237, 0.04);
  border: 1px solid var(--line);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.lab-quicknav a:hover {
  color: var(--accent);
  border-color: rgba(61, 203, 154, 0.45);
  background: rgba(61, 203, 154, 0.08);
}

/* Researcher Profile Card */
.pi-profile-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2.25rem;
  background: rgba(14, 24, 21, 0.8);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 2rem;
}

.pi-avatar-col {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pi-photo {
  width: 100%;
  max-width: 220px;
  aspect-ratio: 1 / 1.18;
  object-fit: cover;
  object-position: center top;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.pi-info-col {
  display: flex;
  flex-direction: column;
}

.pi-header h2 {
  margin: 0.2rem 0 0.35rem;
  font-size: clamp(1.4rem, 2.3vw, 1.85rem);
}

.degrees {
  font-family: var(--sans);
  font-size: 0.95rem;
  color: var(--accent-2);
  font-weight: 500;
}

.pi-role {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 0.2rem;
}

.pi-inst {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin: 0 0 1rem;
}

.pi-bio p {
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--ink-soft);
  margin-bottom: 1.25rem;
}

.pi-credentials-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.cred-chip {
  font-size: 0.78rem;
  font-weight: 600;
  color: #b8f0dc;
  background: rgba(61, 203, 154, 0.1);
  border: 1px solid rgba(61, 203, 154, 0.25);
  padding: 0.25rem 0.65rem;
  border-radius: 4px;
}

.pi-links-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.pi-link-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink);
  background: rgba(232, 241, 237, 0.05);
  border: 1px solid var(--line);
  padding: 0.35rem 0.75rem;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.pi-link-chip:hover {
  color: var(--accent);
  border-color: rgba(61, 203, 154, 0.5);
  background: rgba(61, 203, 154, 0.1);
}

.chip-icon {
  font-size: 0.72rem;
  font-weight: 800;
  color: var(--accent);
  background: rgba(61, 203, 154, 0.2);
  width: 20px;
  height: 20px;
  border-radius: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Research Areas Grid */
.thrust-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.thrust-card {
  background: rgba(14, 23, 20, 0.7);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.65rem;
  display: flex;
  flex-direction: column;
}

.thrust-card:hover {
  border-color: rgba(61, 203, 154, 0.35);
}

.thrust-top {
  margin-bottom: 0.5rem;
}

.thrust-num {
  font-family: var(--display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent);
}

.thrust-title {
  font-size: 1.15rem;
  margin: 0 0 0.65rem;
  color: var(--ink);
  line-height: 1.3;
}

.thrust-summary {
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.62;
  margin-bottom: 1.1rem;
  flex-grow: 1;
}

.thrust-techniques {
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}

.tag-cloud {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.tag-cloud li {
  font-size: 0.75rem;
  font-weight: 500;
  color: #bde7d7;
  background: rgba(61, 203, 154, 0.08);
  border: 1px solid rgba(61, 203, 154, 0.2);
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
}

/* Doctoral Foundation Card */
.phd-foundation-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  background: rgba(14, 24, 21, 0.65);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.85rem;
}

.phd-badge-col {
  display: flex;
  flex-direction: column;
}

.phd-year-badge {
  display: inline-block;
  font-family: var(--display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0.3rem 0 0.2rem;
}

.phd-inst {
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 0.25rem;
  font-size: 0.95rem;
}

.phd-supervisor {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 0;
}

.phd-content-col h3 {
  font-size: 1.18rem;
  margin: 0 0 0.35rem;
  color: var(--ink);
}

.phd-content-col .meta {
  color: var(--accent-2);
  font-size: 0.85rem;
  margin-bottom: 0.75rem;
}

.phd-content-col p {
  font-size: 0.91rem;
  color: var(--ink-soft);
  line-height: 1.62;
  margin: 0;
}

/* Methods Card Grid */
.methods-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.methods-card {
  background: rgba(14, 23, 20, 0.7);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.4rem;
}

.methods-card h3 {
  font-size: 1.05rem;
  margin: 0 0 0.4rem;
  color: var(--ink);
}

.methods-card p {
  font-size: 0.89rem;
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0;
}

/* Tools Showcase Grid */
.tools-showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.tool-showcase-card {
  background: rgba(14, 23, 20, 0.75);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.6rem;
  display: flex;
  flex-direction: column;
}

.tool-showcase-card:hover {
  border-color: rgba(61, 203, 154, 0.35);
}

.tool-top {
  margin-bottom: 0.65rem;
}

.badge-accent {
  background: rgba(61, 203, 154, 0.15);
  color: var(--accent);
  border: 1px solid rgba(61, 203, 154, 0.35);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}

.tool-name {
  font-size: 1.22rem;
  margin: 0 0 0.3rem;
  color: var(--ink);
}

.tool-subtitle {
  font-size: 0.82rem;
  color: var(--accent-2);
  margin: 0 0 0.75rem;
  line-height: 1.4;
}

.tool-summary {
  font-size: 0.88rem;
  color: var(--ink-soft);
  line-height: 1.55;
  margin-bottom: 1rem;
  flex-grow: 1;
}

.tool-tech {
  font-size: 0.79rem;
  color: var(--ink-soft);
  margin-bottom: 1rem;
  padding: 0.45rem 0.65rem;
  background: rgba(8, 15, 13, 0.5);
  border-radius: 4px;
  border: 1px solid var(--line);
}

.tool-tech code {
  color: #b7e8d4;
  font-size: 0.88em;
}

/* Publications List */
.lab-pub-list {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.lab-pub-item {
  display: grid;
  grid-template-columns: 75px 1fr;
  gap: 1.5rem;
  background: rgba(14, 23, 20, 0.7);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 1.65rem;
  align-items: start;
}

.pub-year-badge {
  font-family: var(--display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
  background: rgba(61, 203, 154, 0.08);
  border: 1px solid rgba(61, 203, 154, 0.22);
  border-radius: 6px;
  text-align: center;
  padding: 0.5rem 0.2rem;
  line-height: 1.1;
}

.pub-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.journal-name {
  font-weight: 600;
  color: var(--accent-2);
  font-size: 0.92rem;
}

.volume-info {
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.pub-title {
  font-size: 1.18rem;
  line-height: 1.35;
  margin: 0 0 0.5rem;
  color: var(--ink);
}

.pub-authors {
  font-size: 0.88rem;
  color: var(--ink-soft);
  margin: 0 0 0.65rem;
  line-height: 1.5;
}

.pub-authors strong {
  color: var(--ink);
}

.pub-abstract {
  font-size: 0.9rem;
  color: var(--ink-soft);
  line-height: 1.6;
  margin: 0 0 0.85rem;
}

.pub-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.topic-tag {
  font-size: 0.72rem;
  color: #aee0cf;
  background: rgba(61, 203, 154, 0.08);
  border: 1px solid rgba(61, 203, 154, 0.2);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.pub-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.pub-btn {
  display: inline-flex;
  align-items: center;
  font-size: 0.82rem;
  font-weight: 600;
  color: #06110e;
  background: var(--accent);
  padding: 0.35rem 0.8rem;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.pub-btn:hover {
  background: #5fd9b0;
}

.pub-profiles-banner {
  margin-top: 2rem;
  padding: 1.5rem 1.75rem;
  background: rgba(14, 24, 21, 0.75);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.pub-banner-copy h3 {
  margin: 0 0 0.25rem;
  font-size: 1.15rem;
}

.pub-banner-copy p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.89rem;
}

.pub-banner-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* Collaboration Box */
.collab-content-box {
  background: rgba(14, 24, 21, 0.75);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 2rem;
}

.collab-statement {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--ink);
  margin-bottom: 1rem;
}

.collab-students {
  font-size: 0.91rem;
  line-height: 1.6;
  color: var(--ink-soft);
  margin-bottom: 1.5rem;
}

.inquiry-contacts-clean {
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 1.5rem;
}

.inquiry-contacts-clean p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--ink);
}

.inquiry-contacts-clean a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.inquiry-actions-clean {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Chronology Timeline */
.lab-timeline {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  border-left: 2px solid rgba(61, 203, 154, 0.3);
  position: relative;
}

.lab-timeline-item {
  position: relative;
  padding: 0 0 1.6rem 1.6rem;
}

.lab-timeline-item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 0.25rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
}

.timeline-year-chip {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.timeline-title {
  font-size: 1.1rem;
  margin: 0 0 0.3rem;
  color: var(--ink);
}

.timeline-detail {
  font-size: 0.89rem;
  color: var(--ink-soft);
  line-height: 1.55;
  margin: 0;
}

@media (max-width: 900px) {
  .split,
  .focus-list,
  .focus-list.three,
  .contact-grid,
  .about-intro,
  .thrust-grid,
  .methods-card-grid,
  .tools-showcase-grid,
  .pi-profile-card,
  .phd-foundation-card,
  .lab-pub-item {
    grid-template-columns: 1fr;
  }

  .pi-avatar-col {
    order: -1;
  }

  .pi-photo {
    max-width: 200px;
  }

  .pub-profiles-banner {
    flex-direction: column;
    align-items: flex-start;
  }

  .about-portrait {
    justify-self: start;
    width: min(100%, 280px);
    order: -1;
  }

  .hero-portrait {
    width: 100%;
    opacity: 0.55;
  }

  .hero-veil {
    background:
      linear-gradient(180deg, rgba(7, 14, 12, 0.35) 0%, rgba(7, 14, 12, 0.72) 42%, rgba(7, 14, 12, 0.96) 100%),
      linear-gradient(90deg, rgba(7, 14, 12, 0.55), transparent 70%);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    inset: 4.25rem 0 auto 0;
    background: rgba(11, 20, 18, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 1rem 1.25rem 1.25rem;
    flex-direction: column;
  }

  .site-nav.open {
    display: flex;
  }

  .hero-copy {
    padding-top: 6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal,
  .hero-grid,
  .hero-orb,
  .btn,
  .visual-break::before {
    animation: none !important;
    transition: none !important;
    opacity: 1;
    transform: none;
  }
}