:root {
  --ink: #ecf5f6;
  --muted: #9aaeb5;
  --deep: #06101c;
  --deep-2: #091724;
  --panel: rgba(13, 31, 44, 0.72);
  --line: rgba(183, 218, 223, 0.14);
  --accent: #6ce5d2;
  --accent-2: #a98cff;
  --paper: #eef3ef;
  --paper-ink: #10222a;
  --paper-muted: #64747b;
  --shell: 1180px;
  --radius: 22px;
  --shadow: 0 34px 90px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  overflow-x: hidden;
  margin: 0;
  background: var(--deep);
  color: var(--ink);
  font-family:
    Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Noto Sans", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.nav-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img,
svg {
  display: block;
}

button {
  font: inherit;
}

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

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  transform: translateY(-140%);
  padding: 10px 15px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--deep);
  font-weight: 700;
}

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

.shell {
  width: min(calc(100% - 48px), var(--shell));
  margin-inline: auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: 78px;
  border-bottom: 1px solid transparent;
  transition:
    background 200ms ease,
    border-color 200ms ease,
    backdrop-filter 200ms ease;
}

.site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(6, 16, 28, 0.82);
  backdrop-filter: blur(16px);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.87rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-mark {
  position: relative;
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid rgba(108, 229, 210, 0.42);
  border-radius: 50%;
}

.brand-mark::before,
.brand-mark::after,
.brand-mark span {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.brand-mark::before {
  left: 6px;
  opacity: 0.45;
}

.brand-mark::after {
  right: 6px;
  opacity: 0.7;
}

.brand-mark span {
  box-shadow: 0 0 14px var(--accent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: var(--muted);
  font-size: 0.88rem;
}

.site-nav a {
  transition: color 160ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  color: var(--ink);
}

.site-nav .nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid rgba(108, 229, 210, 0.28);
  border-radius: 999px;
  color: var(--accent);
}

.site-nav .nav-cta:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.nav-cta svg,
.button svg,
.text-link svg,
.panel-link svg,
.publication-links svg {
  width: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.nav-toggle {
  display: none;
}

.hero {
  position: relative;
  display: flex;
  min-height: 100svh;
  overflow: hidden;
  align-items: center;
  padding: 140px 0 90px;
  background:
    radial-gradient(circle at 72% 44%, rgba(68, 129, 150, 0.15), transparent 30%),
    radial-gradient(circle at 15% 15%, rgba(169, 140, 255, 0.09), transparent 24%),
    linear-gradient(145deg, #06101c 0%, #071522 55%, #07111d 100%);
}

.hero::before {
  position: absolute;
  inset: auto -15% -55% 38%;
  width: 880px;
  height: 880px;
  border: 1px solid rgba(108, 229, 210, 0.08);
  border-radius: 50%;
  content: "";
}

.hero::after {
  position: absolute;
  inset: auto -6% -39% 47%;
  width: 620px;
  height: 620px;
  border: 1px solid rgba(108, 229, 210, 0.08);
  border-radius: 50%;
  content: "";
}

.star-layer,
.star-layer::before,
.star-layer::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
}

.star-layer {
  opacity: 0.52;
  background-image:
    radial-gradient(circle at 10% 22%, #fff 0 1px, transparent 1.5px),
    radial-gradient(circle at 19% 78%, #fff 0 1px, transparent 1.5px),
    radial-gradient(circle at 32% 17%, #fff 0 1px, transparent 1.5px),
    radial-gradient(circle at 48% 68%, #fff 0 1px, transparent 1.5px),
    radial-gradient(circle at 58% 12%, #fff 0 1px, transparent 1.5px),
    radial-gradient(circle at 76% 23%, #fff 0 1px, transparent 1.5px),
    radial-gradient(circle at 89% 69%, #fff 0 1px, transparent 1.5px),
    radial-gradient(circle at 94% 12%, #fff 0 1px, transparent 1.5px);
}

.star-layer::before {
  opacity: 0.45;
  background-image:
    radial-gradient(circle at 14% 50%, var(--accent) 0 1px, transparent 1.5px),
    radial-gradient(circle at 39% 88%, #fff 0 1px, transparent 1.5px),
    radial-gradient(circle at 64% 62%, #fff 0 1px, transparent 1.5px),
    radial-gradient(circle at 82% 43%, var(--accent-2) 0 1px, transparent 1.5px);
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  min-width: 0;
  align-items: center;
  grid-template-columns: 1.02fr 0.98fr;
  gap: 72px;
}

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

.eyebrow,
.section-kicker {
  margin: 0 0 24px;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
}

.eyebrow span {
  width: 27px;
  height: 1px;
  background: var(--accent);
}

.hero h1 {
  max-width: 700px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.8rem, 7vw, 6.6rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.96;
}

.hero h1 span {
  color: var(--accent);
  font-style: italic;
}

.hero-lead {
  max-width: 650px;
  margin: 34px 0 0;
  color: var(--muted);
  font-size: 1.06rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.visitor-counter {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  color: #718991;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.63rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.visitor-counter img {
  width: auto;
  height: 22px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 0 21px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 750;
  letter-spacing: 0.02em;
  transition:
    transform 160ms ease,
    background 160ms ease,
    border-color 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--accent);
  color: #07151b;
}

.button-primary:hover,
.button-primary:focus-visible {
  background: #8befdf;
}

.button-secondary {
  border-color: rgba(236, 245, 246, 0.2);
  color: var(--ink);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(236, 245, 246, 0.5);
  background: rgba(255, 255, 255, 0.04);
}

.button-secondary svg {
  fill: currentColor;
  stroke: none;
}

.button-secondary svg.icon-stroke {
  fill: none;
  stroke: currentColor;
}

.hero-visual {
  position: relative;
  min-width: 0;
  padding: 48px 0 48px 30px;
}

.signal-card {
  position: relative;
  z-index: 2;
  overflow: hidden;
  padding: 22px;
  border: 1px solid rgba(128, 204, 203, 0.18);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(14, 37, 51, 0.78), rgba(8, 22, 35, 0.58));
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  transform: perspective(900px) rotateY(-4deg) rotateX(1deg);
}

.signal-card::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(255, 255, 255, 0.035), transparent 68%);
  content: "";
  transform: translateX(-100%);
  animation: scan 7s ease-in-out infinite;
}

@keyframes scan {
  0%,
  28% {
    transform: translateX(-100%);
  }
  60%,
  100% {
    transform: translateX(100%);
  }
}

.signal-meta,
.signal-footer {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: #789099;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.64rem;
  letter-spacing: 0.08em;
}

.signal-meta span:last-child {
  color: var(--accent);
}

.signal-plot {
  position: relative;
  z-index: 1;
  margin: 18px -8px 10px;
}

.signal-plot svg {
  width: 100%;
}

.plot-grid {
  fill: none;
  stroke: rgba(177, 208, 214, 0.08);
  stroke-width: 1;
}

.signal-fill {
  fill: url("#signalFill");
}

.signal-line {
  fill: none;
  stroke: url("#signalGradient");
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.2;
}

.signal-point {
  fill: var(--accent);
  filter: drop-shadow(0 0 9px var(--accent));
}

.signal-ring {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1;
  opacity: 0;
  animation: pulse 2.2s ease-out infinite;
  transform-box: fill-box;
  transform-origin: center;
}

@keyframes pulse {
  0% {
    opacity: 0.8;
    transform: scale(0.5);
  }
  100% {
    opacity: 0;
    transform: scale(1.8);
  }
}

.signal-footer i {
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 9px var(--accent);
}

.orbit {
  position: absolute;
  z-index: 1;
  border: 1px solid rgba(108, 229, 210, 0.12);
  border-radius: 50%;
}

.orbit::after {
  position: absolute;
  top: 50%;
  left: -3px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 16px var(--accent);
  content: "";
}

.orbit-one {
  inset: 7px -46px 7px -14px;
  animation: orbit 22s linear infinite;
}

.orbit-two {
  inset: -28px 17px -28px 43px;
  border-color: rgba(169, 140, 255, 0.11);
  animation: orbit 31s linear infinite reverse;
}

.orbit-two::after {
  background: var(--accent-2);
  box-shadow: 0 0 16px var(--accent-2);
}

@keyframes orbit {
  to {
    transform: rotate(360deg);
  }
}

.hero-foot {
  position: absolute;
  z-index: 3;
  bottom: 30px;
  left: 50%;
  display: flex;
  align-items: center;
  gap: 14px;
  color: #6f838c;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  transform: translateX(-50%);
}

.hero-foot i {
  position: relative;
  display: block;
  overflow: hidden;
  width: 70px;
  height: 1px;
  background: rgba(255, 255, 255, 0.12);
}

.hero-foot i::after {
  position: absolute;
  inset: 0;
  background: var(--accent);
  content: "";
  animation: scroll-line 2.4s ease-in-out infinite;
  transform: translateX(-100%);
}

@keyframes scroll-line {
  50%,
  100% {
    transform: translateX(100%);
  }
}

.section {
  padding: 130px 0;
}

.section-about {
  background: var(--paper);
  color: var(--paper-ink);
}

.about-grid {
  display: grid;
  align-items: center;
  grid-template-columns: 0.77fr 1.23fr;
  gap: 100px;
}

.portrait-wrap {
  position: relative;
}

.portrait-frame {
  position: relative;
  overflow: hidden;
  max-width: 390px;
  aspect-ratio: 0.86;
  border-radius: 180px 180px 24px 24px;
  background:
    radial-gradient(circle at 50% 22%, rgba(108, 229, 210, 0.3), transparent 36%),
    #dce8e4;
}

.portrait-frame::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(16, 34, 42, 0.1);
  border-radius: inherit;
  content: "";
}

.portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
  filter: saturate(0.86) contrast(0.96);
}

.portrait-caption {
  position: absolute;
  right: -28px;
  bottom: 32px;
  display: grid;
  gap: 5px;
  min-width: 205px;
  padding: 17px 20px;
  border: 1px solid rgba(16, 34, 42, 0.09);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 16px 44px rgba(38, 66, 71, 0.12);
  color: var(--paper-muted);
  font-size: 0.73rem;
  backdrop-filter: blur(8px);
}

.portrait-caption span:last-child {
  color: var(--paper-ink);
  font-weight: 700;
}

.section-about .section-kicker {
  color: #2a7a70;
}

.about-copy h2,
.section-heading h2,
.contact-inner h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.6rem, 5vw, 4.45rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.about-copy > p:not(.section-kicker) {
  max-width: 730px;
  margin: 25px 0 0;
  color: var(--paper-muted);
  font-size: 1rem;
}

.about-facts {
  display: grid;
  margin-top: 42px;
  padding-top: 30px;
  border-top: 1px solid rgba(16, 34, 42, 0.12);
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.about-facts div {
  display: grid;
  gap: 3px;
}

.about-facts strong {
  color: #195c58;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.7rem;
  font-weight: 400;
}

.about-facts span {
  color: var(--paper-muted);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
}

.section-research {
  position: relative;
  background: #081520;
}

.section-research::before {
  position: absolute;
  inset: 0;
  opacity: 0.24;
  background-image: linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  content: "";
  mask-image: linear-gradient(to bottom, transparent, #000 15%, #000 85%, transparent);
}

.section-heading {
  position: relative;
  display: grid;
  align-items: end;
  grid-template-columns: 1.4fr 0.6fr;
  gap: 60px;
}

.section-heading > p {
  max-width: 410px;
  margin: 0 0 6px;
  color: var(--muted);
}

.research-grid {
  position: relative;
  display: grid;
  margin-top: 70px;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.research-card {
  position: relative;
  overflow: hidden;
  min-height: 400px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(18, 41, 54, 0.74), rgba(9, 25, 37, 0.85));
  transition:
    border-color 180ms ease,
    transform 180ms ease;
}

.research-card::after {
  position: absolute;
  right: -50px;
  bottom: -50px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(108, 229, 210, 0.05);
  content: "";
  filter: blur(2px);
}

.research-card:hover {
  border-color: rgba(108, 229, 210, 0.35);
  transform: translateY(-5px);
}

.card-number {
  position: absolute;
  top: 25px;
  right: 28px;
  color: rgba(236, 245, 246, 0.24);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.7rem;
}

.card-icon {
  display: grid;
  width: 70px;
  height: 70px;
  margin-bottom: 55px;
  place-items: center;
  border: 1px solid rgba(108, 229, 210, 0.15);
  border-radius: 50%;
  background: rgba(108, 229, 210, 0.05);
  color: var(--accent);
}

.card-icon svg {
  width: 40px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.3;
}

.research-card h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.75rem;
  font-weight: 400;
}

.research-card p {
  margin: 15px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 26px;
}

.tag-row span {
  padding: 5px 9px;
  border: 1px solid rgba(236, 245, 246, 0.1);
  border-radius: 999px;
  color: #9fb2b9;
  font-size: 0.66rem;
}

.section-publications {
  background: var(--paper);
  color: var(--paper-ink);
}

.section-publications .section-kicker {
  color: #2a7a70;
}

.section-publications .section-heading > p {
  color: var(--paper-muted);
}

.publication-list {
  margin-top: 68px;
  border-top: 1px solid rgba(16, 34, 42, 0.14);
}

.publication {
  position: relative;
  display: grid;
  padding: 48px 0;
  border-bottom: 1px solid rgba(16, 34, 42, 0.14);
  grid-template-columns: 0.25fr 1fr 0.15fr;
  gap: 36px;
}

.publication-year,
.publication-index,
.journal {
  font-family: "SFMono-Regular", Consolas, monospace;
}

.publication-year {
  color: #2a7a70;
  font-size: 0.8rem;
}

.publication-index {
  color: rgba(16, 34, 42, 0.18);
  font-size: 2.7rem;
  text-align: right;
}

.journal {
  margin: 0 0 11px;
  color: #2a7a70;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.publication h3 {
  max-width: 810px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.65rem, 3vw, 2.35rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.authors {
  margin: 13px 0 0;
  color: var(--paper-muted);
  font-size: 0.9rem;
}

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

.publication-abstract {
  max-width: 780px;
  margin: 20px 0 0;
  color: var(--paper-muted);
  font-size: 0.91rem;
}

.publication-links {
  display: flex;
  gap: 22px;
  margin-top: 24px;
}

.publication-links a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: #185f58;
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.publication-links a:hover {
  color: #0a3734;
}

.section-experience {
  background:
    radial-gradient(circle at 90% 60%, rgba(108, 229, 210, 0.06), transparent 28%),
    #07131f;
}

.section-experience .section-heading {
  align-items: center;
}

.text-link,
.panel-link {
  display: inline-flex;
  align-items: center;
  justify-self: end;
  gap: 9px;
  color: var(--accent);
  font-size: 0.79rem;
  font-weight: 750;
  letter-spacing: 0.04em;
}

.experience-grid {
  display: grid;
  margin-top: 76px;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 82px;
}

.timeline {
  border-top: 1px solid var(--line);
}

.timeline-item {
  position: relative;
  display: grid;
  padding: 38px 0;
  border-bottom: 1px solid var(--line);
  grid-template-columns: 0.32fr 1fr;
  gap: 24px;
}

.timeline-item::before {
  position: absolute;
  top: 44px;
  left: -3px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 14px var(--accent);
  content: "";
}

.timeline-date {
  padding-left: 18px;
  color: var(--accent);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
}

.timeline-type {
  margin: 0 0 8px;
  color: #70868e;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.timeline h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.65rem;
  font-weight: 400;
  line-height: 1.2;
}

.timeline-place {
  margin: 6px 0 0;
  color: #c4d3d6;
  font-size: 0.82rem;
}

.timeline-item div > p:not(.timeline-type):not(.timeline-place):not(.supervisors) {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.timeline-item .supervisors {
  margin-top: 11px;
  color: #bdcccf;
  font-size: 0.82rem;
}

.inline-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 17px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 700;
}

.inline-link svg {
  width: 16px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.inline-link:hover,
.inline-link:focus-visible {
  color: #9af2e4;
}

.skills-panel {
  align-self: start;
  padding: 34px;
  border: 1px solid rgba(108, 229, 210, 0.17);
  border-radius: var(--radius);
  background: rgba(13, 31, 44, 0.67);
  box-shadow: var(--shadow);
}

.panel-label {
  margin: 0 0 30px;
  color: var(--accent);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.skill-group {
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.skill-group span {
  color: #7b929a;
  font-size: 0.67rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.skill-group p {
  margin: 8px 0 0;
  color: #d5e0e2;
  font-size: 0.87rem;
}

.panel-link {
  margin-top: 28px;
}

.contact-strip {
  padding: 90px 0;
  border-top: 1px solid rgba(108, 229, 210, 0.14);
  border-bottom: 1px solid rgba(108, 229, 210, 0.14);
  background:
    linear-gradient(110deg, rgba(108, 229, 210, 0.04), transparent 40%),
    #0a1925;
}

.contact-inner {
  display: grid;
  align-items: center;
  grid-template-columns: 1fr auto;
  gap: 80px;
}

.contact-inner .section-kicker {
  margin-bottom: 15px;
}

.contact-inner h2 {
  max-width: 820px;
  font-size: clamp(2.2rem, 4.4vw, 4rem);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.site-footer {
  padding: 34px 0;
  background: #050e18;
}

.footer-inner {
  display: grid;
  align-items: center;
  grid-template-columns: 1fr auto auto 1fr;
  gap: 30px;
  color: #70838a;
  font-size: 0.7rem;
}

.footer-inner .brand {
  color: var(--ink);
}

.footer-inner p {
  margin: 0;
}

.footer-email {
  transition: color 160ms ease;
}

.footer-email:hover,
.footer-email:focus-visible {
  color: var(--accent);
}

.footer-inner p:last-child {
  justify-self: end;
}

.motion-ready .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

.motion-ready .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .hero-grid,
  .about-grid,
  .experience-grid {
    gap: 48px;
  }

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

  .hero {
    min-height: auto;
    padding-top: 150px;
  }

  .hero-copy {
    max-width: 760px;
  }

  .hero-visual {
    max-width: 680px;
    padding-left: 0;
  }

  .hero-foot {
    display: none;
  }

  .about-grid {
    grid-template-columns: 0.8fr 1.2fr;
  }

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

  .research-card {
    min-height: 0;
  }

  .card-icon {
    margin-bottom: 35px;
  }

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

  .skills-panel {
    max-width: 680px;
  }
}

@media (max-width: 760px) {
  .shell {
    width: min(calc(100% - 32px), var(--shell));
  }

  .site-header {
    height: 68px;
  }

  .nav-toggle {
    position: relative;
    z-index: 3;
    display: grid;
    width: 42px;
    height: 42px;
    padding: 0;
    place-items: center;
    border: 0;
    background: transparent;
    color: var(--ink);
  }

  .nav-toggle span {
    position: absolute;
    width: 21px;
    height: 1px;
    background: currentColor;
    transition: transform 180ms ease;
  }

  .nav-toggle span:first-child {
    transform: translateY(-4px);
  }

  .nav-toggle span:last-child {
    transform: translateY(4px);
  }

  .nav-toggle[aria-expanded="true"] span:first-child {
    transform: rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] span:last-child {
    transform: rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    inset: 0;
    display: flex;
    visibility: hidden;
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 118px 24px 40px;
    background: rgba(6, 16, 28, 0.98);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 2rem;
    opacity: 0;
    transition:
      opacity 180ms ease,
      visibility 180ms ease;
  }

  .site-nav.is-open {
    visibility: visible;
    opacity: 1;
  }

  .site-nav .nav-cta {
    margin-top: 15px;
    font-family: Inter, ui-sans-serif, sans-serif;
    font-size: 0.85rem;
  }

  .hero {
    padding: 120px 0 70px;
  }

  .hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 36px;
  }

  .hero h1 {
    font-size: clamp(3.25rem, 16vw, 5.1rem);
  }

  .hero-lead {
    font-size: 0.96rem;
  }

  .hero-visual {
    padding-block: 24px;
  }

  .signal-card {
    max-width: 100%;
    padding: 17px;
    transform: none;
  }

  .signal-meta,
  .signal-footer {
    flex-wrap: wrap;
  }

  .orbit {
    display: none;
  }

  .section {
    padding: 92px 0;
  }

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

  .portrait-wrap {
    max-width: 370px;
  }

  .portrait-caption {
    right: -4px;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .section-heading > p {
    max-width: 600px;
  }

  .research-grid,
  .publication-list,
  .experience-grid {
    margin-top: 48px;
  }

  .publication {
    grid-template-columns: 1fr;
    gap: 13px;
  }

  .publication-index {
    position: absolute;
    top: 40px;
    right: 0;
  }

  .publication-content {
    padding-right: 25px;
  }

  .text-link {
    justify-self: start;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .timeline-item::before {
    top: 45px;
  }

  .timeline-date {
    padding-left: 17px;
  }

  .contact-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-inner .button {
    justify-self: start;
  }

  .contact-actions {
    justify-content: flex-start;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .footer-inner p:last-child {
    justify-self: start;
  }
}

@media (max-width: 450px) {
  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero-actions .button {
    width: 100%;
  }

  .about-facts {
    grid-template-columns: 1fr;
    gap: 17px;
  }

  .research-card,
  .skills-panel {
    padding: 25px;
  }

  .signal-meta,
  .signal-footer {
    font-size: 0.55rem;
  }
}

@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;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}