:root {
  --white: #ffffff;
  --near-white: #f5f5f7;
  --soft-white: #fbfbfd;
  --light-gray: #e8e8ed;
  --divider: #d2d2d7;
  --mid-gray: #86868b;
  --dark-gray: #1d1d1f;
  --accent: #0071e3;
  --accent-hover: #0077ed;
  --green: #34c759;
  --amber: #f5a524;
  --rose: #c83b3b;
  --max: 820px;
  --nav-h: 52px;
  --radius: 8px;
  --spring: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--white);
  color: var(--dark-gray);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

p,
h1 {
  margin-top: 0;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 200;
  width: 0;
  height: 2px;
  background: var(--accent);
  transform-origin: left center;
}

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  border-bottom: 1px solid rgba(210, 210, 215, 0.84);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(20px);
  animation: fadeIn 500ms ease both;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max);
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
}

.nav-name {
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0;
  transition: opacity 180ms ease;
}

.nav-name:hover {
  opacity: 0.62;
}

.nav-links {
  display: flex;
  gap: 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-links a {
  position: relative;
  padding-bottom: 2px;
  color: var(--mid-gray);
  font-size: 0.78rem;
  letter-spacing: 0;
  transition: color 180ms ease;
}

.nav-links a::after {
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 100%;
  height: 1px;
  content: "";
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 250ms var(--spring);
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--dark-gray);
}

.nav-links a:hover::after,
.nav-links a.is-active::after {
  transform: scaleX(1);
}

.nav-cv {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 34px;
  height: 28px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0;
  transition: background 180ms ease, transform 180ms var(--spring), box-shadow 180ms ease;
}

.nav-cv:hover {
  background: var(--accent-hover);
  box-shadow: 0 5px 18px rgba(0, 113, 227, 0.28);
  transform: translateY(-1px);
}

.page,
.page-footer {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

.hero {
  position: relative;
  padding: 96px 0 78px;
  border-bottom: 1px solid var(--divider);
}

.hero-eyebrow,
.section-label,
.signal-label,
.card-label,
.skill-cell-label,
.contact-card-label {
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-eyebrow {
  margin-bottom: 20px;
}

.hero h1 {
  max-width: 760px;
  margin-bottom: 24px;
  color: var(--dark-gray);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 4rem;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.08;
  cursor: default;
}

.hero h1 em {
  color: var(--mid-gray);
  font-style: italic;
}

.hero h1:hover {
  background: linear-gradient(90deg, var(--dark-gray), var(--accent), var(--dark-gray));
  background-size: 200% auto;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 1700ms linear infinite;
}

.hero h1:hover em {
  -webkit-text-fill-color: transparent;
}

.hero-bio {
  max-width: 600px;
  margin-bottom: 34px;
  color: var(--mid-gray);
  font-size: 1.18rem;
  font-weight: 300;
  line-height: 1.65;
}

.hero-meta,
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 33px;
  padding: 6px 14px;
  border: 1px solid var(--light-gray);
  border-radius: 999px;
  background: var(--near-white);
  color: var(--mid-gray);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0;
  transition: border-color 180ms ease, color 180ms ease, transform 220ms var(--spring), box-shadow 220ms ease;
}

.pill:hover {
  border-color: var(--accent);
  color: var(--dark-gray);
  box-shadow: 0 2px 14px rgba(0, 113, 227, 0.12);
  transform: scale(1.04);
}

.pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulseDot 2400ms ease-in-out infinite;
}

.pill-dot.green {
  background: var(--green);
  animation-delay: 650ms;
}

.cta-row {
  margin-top: 38px;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 22px;
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0;
  overflow: hidden;
  cursor: pointer;
  transition: background 160ms ease, transform 160ms var(--spring), box-shadow 160ms ease;
}

.btn:active {
  transform: scale(0.96);
}

.btn-primary {
  background: var(--accent);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 5px 22px rgba(0, 113, 227, 0.3);
  transform: translateY(-2px);
}

.btn-ghost {
  border: 1px solid var(--light-gray);
  background: var(--near-white);
  color: var(--dark-gray);
}

.btn-ghost:hover {
  background: var(--light-gray);
  transform: translateY(-2px);
}

.signal-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 1fr);
  gap: 28px;
  align-items: center;
  margin-top: 54px;
  padding: 24px;
  border: 1px solid var(--light-gray);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(245, 245, 247, 0.92)),
    var(--near-white);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.06);
  overflow: hidden;
}

.signal-copy p:not(.signal-label) {
  margin: 0;
  color: var(--mid-gray);
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.62;
}

.signal-label {
  margin-bottom: 10px;
}

.signal-visual {
  position: relative;
  min-height: 190px;
  border: 1px solid rgba(210, 210, 215, 0.86);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(0, 113, 227, 0.07) 1px, transparent 1px),
    linear-gradient(180deg, rgba(0, 113, 227, 0.06) 1px, transparent 1px),
    var(--soft-white);
  background-size: 32px 32px;
  overflow: hidden;
}

.signal-visual::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(110deg, transparent 20%, rgba(255, 255, 255, 0.72), transparent 64%);
  transform: translateX(-120%);
  animation: panelSweep 5200ms var(--ease-out) infinite;
}

.signal-visual svg {
  position: absolute;
  inset: 8px;
  width: calc(100% - 16px);
  height: calc(100% - 16px);
}

.wave {
  fill: none;
  stroke-linecap: round;
  stroke-width: 3;
  stroke-dasharray: 560;
  stroke-dashoffset: 560;
  animation: drawWave 2600ms var(--ease-out) forwards, breatheWave 4600ms ease-in-out 2600ms infinite;
}

.wave-one {
  stroke: var(--accent);
}

.wave-two {
  stroke: var(--green);
  animation-delay: 220ms, 2820ms;
}

.wave-three {
  stroke: var(--amber);
  animation-delay: 420ms, 3020ms;
}

.node {
  position: absolute;
  width: 9px;
  height: 9px;
  border: 2px solid var(--white);
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(0, 113, 227, 0.1);
  animation: nodePing 2600ms ease-in-out infinite;
}

.n1 {
  top: 34%;
  left: 18%;
}

.n2 {
  top: 58%;
  left: 43%;
  background: var(--green);
  box-shadow: 0 0 0 6px rgba(52, 199, 89, 0.1);
  animation-delay: 420ms;
}

.n3 {
  top: 30%;
  right: 22%;
  background: var(--amber);
  box-shadow: 0 0 0 6px rgba(245, 165, 36, 0.12);
  animation-delay: 850ms;
}

.n4 {
  right: 11%;
  bottom: 28%;
  background: var(--rose);
  box-shadow: 0 0 0 6px rgba(200, 59, 59, 0.1);
  animation-delay: 1180ms;
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 16px;
  border: 1px solid var(--divider);
  border-radius: var(--radius);
  background: var(--divider);
  overflow: hidden;
}

.stat-strip div {
  padding: 20px;
  background: var(--white);
}

.stat-strip strong {
  display: block;
  margin-bottom: 2px;
  font-size: 2rem;
  line-height: 1;
}

.stat-strip span {
  color: var(--mid-gray);
  font-size: 0.82rem;
}

section {
  padding: 72px 0;
  border-bottom: 1px solid var(--divider);
}

section:last-of-type {
  border-bottom: 0;
}

.section-label {
  margin-bottom: 40px;
  color: var(--mid-gray);
}

.section-label.typing-label {
  min-height: 1.2em;
  white-space: nowrap;
}

.section-label.typing-label::after {
  display: inline-block;
  width: 1px;
  height: 1em;
  margin-left: 4px;
  background: var(--accent);
  content: "";
  transform: translateY(2px);
  opacity: 0;
}

.section-label.typing-label.is-typing::after {
  opacity: 1;
  animation: caretBlink 760ms steps(1) infinite;
}

.section-label.typing-label.typed::after {
  opacity: 0;
  transition: opacity 260ms ease;
}

.section-title {
  max-width: 720px;
  margin-bottom: 44px;
  color: var(--dark-gray);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2.4rem;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.12;
}

.timeline {
  position: relative;
  display: flex;
  flex-direction: column;
}

.timeline::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 119px;
  width: 1px;
  content: "";
  background: var(--divider);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 1400ms var(--ease-out);
}

.timeline.visible::before {
  transform: scaleY(1);
}

.timeline-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  padding: 28px 0;
  border-top: 1px solid var(--divider);
  border-radius: var(--radius);
  transition: background 190ms ease, margin 190ms ease, padding 190ms ease;
}

.timeline-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.timeline-item:hover {
  margin: 0 -12px;
  padding-right: 12px;
  padding-left: 12px;
  background: var(--near-white);
}

.t-year {
  padding-top: 2px;
  color: var(--mid-gray);
  font-size: 0.8rem;
  transition: color 190ms ease;
}

.timeline-item:hover .t-year {
  color: var(--accent);
}

.t-title {
  margin-bottom: 4px;
  color: var(--dark-gray);
  font-size: 1rem;
  font-weight: 600;
}

.t-place,
.t-desc {
  color: var(--mid-gray);
  font-size: 0.88rem;
}

.t-place {
  margin-bottom: 8px;
}

.t-desc {
  margin-bottom: 0;
  font-weight: 300;
  line-height: 1.6;
}

.pub-list,
.award-list {
  display: flex;
  flex-direction: column;
}

.pub-item {
  position: relative;
  padding: 28px 0;
  border-top: 1px solid var(--divider);
  border-radius: var(--radius);
  transition: transform 280ms var(--spring);
}

.pub-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.pub-item::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: -16px;
  width: 2px;
  border-radius: 2px;
  content: "";
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 280ms var(--spring);
}

.pub-item:hover {
  transform: translateX(8px);
}

.pub-item:hover::before {
  transform: scaleY(1);
}

.pub-venue {
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}

.pub-title {
  margin-bottom: 8px;
  color: var(--dark-gray);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.28rem;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.32;
}

.pub-authors {
  margin-bottom: 12px;
  color: var(--mid-gray);
  font-size: 0.84rem;
  font-weight: 300;
}

.pub-authors strong {
  color: var(--dark-gray);
  font-weight: 600;
}

.pub-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 10px;
  border: 1px solid var(--light-gray);
  border-radius: 4px;
  background: var(--near-white);
  color: var(--mid-gray);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0;
  transition: background 190ms ease, color 190ms ease, border-color 190ms ease, transform 200ms var(--spring);
}

.tag:hover {
  border-color: rgba(0, 113, 227, 0.28);
  background: #e8f0fb;
  color: var(--accent);
  transform: scale(1.05);
}

.pub-link {
  display: inline-flex;
  margin-top: 12px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  transition: transform 200ms var(--spring), opacity 180ms ease;
}

.pub-link:hover {
  opacity: 0.78;
  transform: translateX(6px);
}

.writing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.archive-random {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1fr);
  gap: 22px;
  align-items: start;
  margin-bottom: 24px;
  padding: 24px;
  border: 1px solid var(--light-gray);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(245, 245, 247, 0.94)),
    var(--near-white);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.05);
}

.archive-random h2 {
  margin: 0 0 12px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
  font-weight: 400;
  line-height: 1.12;
}

.archive-random p:not(.card-label) {
  margin: 0;
  color: var(--mid-gray);
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.6;
}

.random-project-grid {
  display: grid;
  gap: 10px;
}

.random-project-card {
  display: grid;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--light-gray);
  border-radius: var(--radius);
  background: var(--white);
  transition: border-color 180ms ease, box-shadow 240ms var(--spring), transform 240ms var(--spring);
}

.random-project-card:hover {
  border-color: rgba(0, 113, 227, 0.34);
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.07);
  transform: translateY(-3px);
}

.random-project-card span,
.random-project-card small {
  color: var(--mid-gray);
  font-size: 0.76rem;
}

.random-project-card strong {
  color: var(--dark-gray);
  font-size: 0.98rem;
  line-height: 1.28;
}

.archive-tools {
  display: grid;
  gap: 16px;
  margin-bottom: 18px;
  padding: 22px;
  border: 1px solid var(--light-gray);
  border-radius: var(--radius);
  background: var(--near-white);
}

.archive-search,
.advanced-search label {
  display: grid;
  gap: 7px;
}

.archive-search span,
.advanced-search span {
  color: var(--mid-gray);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
}

.archive-search input,
.advanced-search select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--light-gray);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--dark-gray);
  font: inherit;
  font-size: 0.92rem;
  outline: 0;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.archive-search input {
  padding: 0 14px;
}

.advanced-search select {
  padding: 0 10px;
}

.archive-search input:focus,
.advanced-search select:focus {
  border-color: rgba(0, 113, 227, 0.55);
  box-shadow: 0 0 0 4px rgba(0, 113, 227, 0.1);
}

.advanced-search {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  gap: 12px;
  align-items: end;
}

.keyword-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.keyword-cloud button {
  min-height: 30px;
  padding: 0 12px;
  border: 1px solid var(--light-gray);
  border-radius: 999px;
  background: var(--white);
  color: var(--mid-gray);
  font: inherit;
  font-size: 0.76rem;
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease, transform 200ms var(--spring);
}

.keyword-cloud button:hover {
  border-color: rgba(0, 113, 227, 0.34);
  color: var(--accent);
  transform: translateY(-1px);
}

.archive-status {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
  margin-bottom: 16px;
  color: var(--mid-gray);
  font-size: 0.84rem;
}

#archive-count {
  color: var(--dark-gray);
  font-weight: 700;
}

.archive-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.archive-card {
  padding: 24px;
  border: 1px solid var(--light-gray);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.04);
}

.archive-card-top {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
  margin-bottom: 12px;
}

.archive-card-top .card-label {
  margin: 0;
}

.archive-card-top span {
  color: var(--mid-gray);
  font-size: 0.76rem;
}

.archive-card h3 {
  margin: 0 0 10px;
  color: var(--dark-gray);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.45rem;
  font-weight: 400;
  line-height: 1.25;
}

.archive-card p {
  margin-bottom: 14px;
  color: var(--mid-gray);
  font-size: 0.94rem;
  font-weight: 300;
  line-height: 1.62;
}

.archive-citation {
  margin-top: 16px;
  padding: 14px;
  border-left: 2px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--near-white);
  color: #3f4248;
  font-size: 0.84rem;
  line-height: 1.55;
}

.archive-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.empty-state {
  background: var(--near-white);
}

.writing-card {
  position: relative;
  display: flex;
  min-height: 260px;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--light-gray);
  border-radius: var(--radius);
  background: var(--near-white);
  color: inherit;
  overflow: hidden;
  transform: perspective(900px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg)) translateY(var(--lift, 0));
  transform-style: preserve-3d;
  transition: background 180ms ease, border-color 180ms ease, box-shadow 280ms var(--spring), transform 280ms var(--spring);
}

.writing-card:hover {
  --lift: -4px;
  border-color: var(--divider);
  background: var(--white);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.1);
}

.writing-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
  min-height: 320px;
}

.card-label {
  margin-bottom: 12px;
}

.card-title {
  margin-bottom: 12px;
  color: var(--dark-gray);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.45rem;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.25;
  transition: color 180ms ease;
}

.featured .card-title {
  font-size: 1.85rem;
}

.writing-card:hover .card-title {
  color: var(--accent);
}

.card-excerpt {
  flex: 1;
  margin-bottom: 22px;
  color: var(--mid-gray);
  font-size: 0.9rem;
  font-weight: 300;
  line-height: 1.65;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: auto;
  color: var(--mid-gray);
  font-size: 0.78rem;
}

.card-arrow {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid var(--light-gray);
  border-radius: 50%;
  background: var(--white);
  color: var(--dark-gray);
  font-size: 0.74rem;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 240ms var(--spring);
}

.writing-card:hover .card-arrow {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--white);
  transform: translateX(4px);
}

.memory-card-visual {
  position: relative;
  min-height: 190px;
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, #e8f4fd 0%, #eef7f1 48%, #fff5df 100%);
  overflow: hidden;
}

.memory-card-visual::before {
  position: absolute;
  inset: 24px;
  border: 1px solid rgba(0, 113, 227, 0.22);
  border-radius: var(--radius);
  content: "";
}

.memory-card-visual span {
  position: absolute;
  left: 32px;
  right: 32px;
  height: 2px;
  border-radius: 999px;
  background: rgba(0, 113, 227, 0.42);
  transform-origin: left center;
  animation: dataLine 2600ms var(--ease-out) infinite;
}

.memory-card-visual span:nth-child(1) {
  top: 42px;
  width: 48%;
}

.memory-card-visual span:nth-child(2) {
  top: 72px;
  width: 72%;
  background: rgba(52, 199, 89, 0.42);
  animation-delay: 160ms;
}

.memory-card-visual span:nth-child(3) {
  top: 102px;
  width: 62%;
  background: rgba(245, 165, 36, 0.48);
  animation-delay: 320ms;
}

.memory-card-visual span:nth-child(4) {
  top: 132px;
  width: 82%;
  background: rgba(0, 113, 227, 0.34);
  animation-delay: 480ms;
}

.memory-card-visual span:nth-child(5) {
  top: 162px;
  width: 54%;
  background: rgba(200, 59, 59, 0.36);
  animation-delay: 640ms;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--divider);
  border-radius: var(--radius);
  background: var(--divider);
  overflow: hidden;
}

.skill-cell {
  padding: 28px 24px;
  background: var(--white);
  transition: background 180ms ease;
}

.skill-cell:hover {
  background: var(--near-white);
}

.skill-cell-label {
  margin-bottom: 16px;
  color: var(--mid-gray);
}

.skill-items {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.skill-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--dark-gray);
  font-size: 0.88rem;
  transition: color 180ms ease, transform 200ms var(--spring);
}

.skill-item::before {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--light-gray);
  content: "";
  transition: background 180ms ease, transform 200ms var(--spring);
}

.skill-item:hover {
  color: var(--accent);
  transform: translateX(6px);
}

.skill-item:hover::before {
  background: var(--accent);
  transform: scale(1.6);
}

.award-item {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 20px;
  padding: 24px 0;
  border-top: 1px solid var(--divider);
  border-radius: var(--radius);
  transition: transform 240ms var(--spring);
}

.award-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.award-item:hover {
  transform: translateX(6px);
}

.award-year {
  padding-top: 2px;
  color: var(--mid-gray);
  font-size: 0.82rem;
  transition: color 180ms ease;
}

.award-item:hover .award-year {
  color: var(--accent);
}

.award-name {
  margin-bottom: 3px;
  color: var(--dark-gray);
  font-size: 1rem;
  font-weight: 600;
}

.award-org {
  margin-bottom: 0;
  color: var(--mid-gray);
  font-size: 0.82rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact-card {
  position: relative;
  min-height: 120px;
  padding: 24px;
  border: 1px solid var(--light-gray);
  border-radius: var(--radius);
  background: var(--near-white);
  overflow: hidden;
  transition: background 180ms ease, border-color 180ms ease, box-shadow 280ms var(--spring), transform 280ms var(--spring);
}

.contact-card:hover {
  border-color: rgba(0, 113, 227, 0.38);
  background: var(--white);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.07);
  transform: translateY(-3px);
}

.contact-card-label {
  margin-bottom: 8px;
  color: var(--mid-gray);
}

.contact-card-value {
  margin: 0;
  color: var(--accent);
  font-size: 0.92rem;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.page-footer {
  padding: 38px 24px 42px;
  text-align: center;
}

.page-footer p {
  margin: 0;
  color: var(--mid-gray);
  font-size: 0.75rem;
}

.article-page {
  padding-top: 72px;
}

.article-hero {
  padding: 42px 0 60px;
  border-bottom: 1px solid var(--divider);
}

.article-hero h1 {
  max-width: 760px;
  margin-bottom: 24px;
  color: var(--dark-gray);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 3.35rem;
  font-weight: 400;
  letter-spacing: 0;
  line-height: 1.08;
}

.article-body {
  max-width: 720px;
  padding: 64px 0 36px;
}

.article-body p {
  color: #3f4248;
  font-size: 1.08rem;
  font-weight: 300;
  line-height: 1.78;
}

.citation-panel,
.comments-panel {
  padding: 56px 0;
}

.citation-card {
  margin-bottom: 14px;
  padding: 22px;
  border: 1px solid var(--light-gray);
  border-radius: var(--radius);
  background: var(--near-white);
}

.citation-label {
  margin-bottom: 8px;
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
}

.citation-text {
  margin-bottom: 16px;
  color: var(--dark-gray);
  font-size: 0.94rem;
  line-height: 1.62;
}

.comment-note {
  max-width: 700px;
  margin-bottom: 24px;
  color: var(--mid-gray);
  font-size: 0.96rem;
  font-weight: 300;
  line-height: 1.6;
}

.giscus,
.giscus-frame {
  width: 100%;
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 760ms var(--spring), transform 760ms var(--spring);
}

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

.stagger > * {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 640ms var(--spring), transform 640ms var(--spring);
}

.stagger.visible > *:nth-child(1) {
  transition-delay: 0ms;
}

.stagger.visible > *:nth-child(2) {
  transition-delay: 80ms;
}

.stagger.visible > *:nth-child(3) {
  transition-delay: 160ms;
}

.stagger.visible > *:nth-child(4) {
  transition-delay: 240ms;
}

.stagger.visible > *:nth-child(5) {
  transition-delay: 320ms;
}

.stagger.visible > *:nth-child(6) {
  transition-delay: 400ms;
}

.stagger.visible > * {
  opacity: 1;
  transform: none;
}

.fade-up {
  opacity: 0;
  animation: floatIn 850ms var(--spring) forwards;
}

.fade-up:nth-child(1) {
  animation-delay: 50ms;
}

.fade-up:nth-child(2) {
  animation-delay: 200ms;
}

.fade-up:nth-child(3) {
  animation-delay: 350ms;
}

.fade-up:nth-child(4) {
  animation-delay: 500ms;
}

.fade-up:nth-child(5) {
  animation-delay: 650ms;
}

.ripple {
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(0, 113, 227, 0.2);
  pointer-events: none;
  transform: translate(-50%, -50%) scale(0);
  animation: rippleOut 520ms linear forwards;
}

@keyframes floatIn {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes shimmer {
  from {
    background-position: -200% center;
  }
  to {
    background-position: 200% center;
  }
}

@keyframes pulseDot {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.5;
    transform: scale(1.6);
  }
}

@keyframes drawWave {
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes breatheWave {
  0%,
  100% {
    opacity: 0.64;
  }
  50% {
    opacity: 1;
  }
}

@keyframes panelSweep {
  0%,
  44% {
    transform: translateX(-120%);
  }
  74%,
  100% {
    transform: translateX(120%);
  }
}

@keyframes nodePing {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.45);
  }
}

@keyframes dataLine {
  0%,
  100% {
    transform: scaleX(0.42);
    opacity: 0.45;
  }
  50% {
    transform: scaleX(1);
    opacity: 1;
  }
}

@keyframes rippleOut {
  to {
    opacity: 0;
    transform: translate(-50%, -50%) scale(12);
  }
}

@keyframes caretBlink {
  0%,
  49% {
    opacity: 1;
  }
  50%,
  100% {
    opacity: 0;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 16px;
  }

  .nav-inner,
  .page,
  .page-footer {
    padding-right: 20px;
    padding-left: 20px;
  }

  .nav-links {
    display: none;
  }

  .hero {
    padding-top: 74px;
  }

  .hero h1 {
    font-size: 2.74rem;
  }

  .article-hero h1 {
    font-size: 2.28rem;
  }

  .hero-bio {
    font-size: 1.06rem;
  }

  .signal-panel,
  .archive-random,
  .writing-card.featured {
    grid-template-columns: 1fr;
  }

  .stat-strip,
  .skills-grid,
  .contact-grid,
  .advanced-search,
  .writing-grid {
    grid-template-columns: 1fr;
  }

  .timeline::before {
    left: 79px;
  }

  .timeline-item {
    grid-template-columns: 80px 1fr;
    gap: 14px;
  }

  .timeline-item:hover {
    margin: 0;
    padding-right: 0;
    padding-left: 0;
    background: transparent;
  }

  .section-title {
    font-size: 2rem;
  }

  .memory-card-visual {
    min-height: 150px;
  }
}

@media (max-width: 440px) {
  .nav-inner,
  .page,
  .page-footer {
    padding-right: 16px;
    padding-left: 16px;
  }

  .hero h1 {
    font-size: 2.35rem;
  }

  .hero-meta,
  .cta-row {
    align-items: stretch;
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .signal-panel {
    padding: 18px;
  }

  .signal-visual {
    min-height: 160px;
  }
}

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

  .reveal,
  .stagger > *,
  .fade-up {
    opacity: 1;
    transform: none;
  }
}