/*
 * Moritz Schlapansky portfolio
 * Customise the palette in :root and the two font stacks below.
 */

:root {
  --paper: #f4f3ef;
  --paper-raised: #fbfaf7;
  --paper-soft: #eae9e4;
  --ink: #152127;
  --ink-soft: #5c676b;
  --line: #ced2cf;
  --line-strong: #9da7a5;
  --blue: #134f6e;
  --blue-bright: #1f779a;
  --teal: #29a6a1;
  --lime: #b8d665;
  --night: #0e2028;
  --white: #ffffff;
  --shadow: 0 24px 80px rgba(14, 32, 40, 0.12);
  --sans: "Manrope", "Avenir Next", Avenir, "Segoe UI", Helvetica, Arial, sans-serif;
  --mono: "DM Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --radius: 2px;
  --ease: cubic-bezier(0.2, 0.75, 0.25, 1);
  color-scheme: light;
}

html[data-theme="dark"] {
  --paper: #0d171b;
  --paper-raised: #132126;
  --paper-soft: #19292e;
  --ink: #ecf1ed;
  --ink-soft: #a6b3b2;
  --line: #2c3e43;
  --line-strong: #53686c;
  --blue: #79bdd4;
  --blue-bright: #67bdd2;
  --teal: #51c9bf;
  --lime: #bad867;
  --night: #081115;
  --white: #f5f7f4;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color 300ms ease, color 300ms ease;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(to right, color-mix(in srgb, var(--line) 38%, transparent) 1px, transparent 1px);
  background-size: calc((100vw - min(88vw, 1280px)) / 2 + 1px) 100%;
  pointer-events: none;
  content: "";
  opacity: 0.55;
}

::selection {
  background: var(--teal);
  color: #071619;
}

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

button,
input {
  font: inherit;
}

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

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

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3,
h4 {
  line-height: 1.08;
  letter-spacing: -0.045em;
}

em {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.section-shell {
  width: min(88vw, 1280px);
  margin-inline: auto;
}

.section-pad {
  padding-top: clamp(6.5rem, 11vw, 10rem);
  padding-bottom: clamp(6.5rem, 11vw, 10rem);
}

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

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 1000;
  padding: 0.7rem 1rem;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background-color 240ms ease, border-color 240ms ease, backdrop-filter 240ms ease;
}

.site-header.scrolled {
  border-color: color-mix(in srgb, var(--line) 80%, transparent);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(18px);
}

.nav-shell {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: min(94vw, 1440px);
  min-height: 76px;
  margin-inline: auto;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: 0.75rem;
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.wordmark-mark {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: -0.08em;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(1.1rem, 2.4vw, 2.5rem);
}

.primary-nav a {
  position: relative;
  padding: 0.5rem 0;
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 600;
}

.primary-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0.25rem;
  left: 0;
  height: 1px;
  background: var(--teal);
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 220ms var(--ease);
}

.primary-nav a:hover,
.primary-nav a.active {
  color: var(--ink);
}

.primary-nav a:hover::after,
.primary-nav a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-actions {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 0.5rem;
}

.icon-button,
.menu-toggle {
  display: grid;
  min-width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.icon-button:hover,
.menu-toggle:hover {
  border-color: var(--ink);
  background: var(--paper-raised);
  transform: translateY(-2px);
}

.command-trigger {
  width: auto;
  padding-inline: 0.75rem;
  border-radius: 2rem;
  font-family: var(--mono);
  font-size: 0.66rem;
}

.theme-toggle {
  font-size: 1.15rem;
}

.menu-toggle {
  display: none;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(390px, 0.95fr);
  align-items: center;
  gap: clamp(3rem, 8vw, 8rem);
  min-height: 100svh;
  padding-top: 8rem;
  padding-bottom: 5rem;
}

.eyebrow,
.section-index,
.mono-label,
.project-number {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 2rem;
  color: var(--ink-soft);
}

.status-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--teal) 14%, transparent);
}

.hero h1 {
  max-width: 820px;
  margin-bottom: 2rem;
  font-size: clamp(3.5rem, 7vw, 7.5rem);
  font-weight: 600;
  letter-spacing: -0.07em;
}

.hero h1 em {
  color: var(--blue);
  letter-spacing: -0.055em;
}

.hero-intro {
  max-width: 640px;
  margin-bottom: 2.25rem;
  color: var(--ink-soft);
  font-size: clamp(1.06rem, 1.4vw, 1.27rem);
  line-height: 1.7;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  min-height: 3.25rem;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  padding: 0.8rem 1.25rem;
  border: 1px solid var(--ink);
  font-size: 0.8rem;
  font-weight: 700;
  transition: background-color 200ms ease, color 200ms ease, border-color 200ms ease, transform 200ms var(--ease);
}

.button span {
  font-size: 1rem;
}

.button:hover {
  transform: translateY(-3px);
}

.button-primary {
  background: var(--ink);
  color: var(--paper);
}

.button-primary:hover {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}

.button-secondary {
  background: transparent;
}

.button-secondary:hover {
  background: var(--paper-raised);
}

.hero-links {
  display: flex;
  gap: 1.5rem;
  margin-top: 2.2rem;
}

.hero-links a,
.text-link {
  border-bottom: 1px solid var(--line-strong);
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 700;
  transition: color 180ms ease, border-color 180ms ease;
}

.hero-links a:hover,
.text-link:hover {
  border-color: var(--teal);
  color: var(--ink);
}

.hero-visual {
  position: relative;
  min-height: 600px;
  overflow: hidden;
  border: 1px solid #24434f;
  background: var(--night);
  box-shadow: var(--shadow);
  color: #eaf4f2;
  isolation: isolate;
}

.hero-visual::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(rgba(81, 201, 191, 0.07) 1px, transparent 1px), linear-gradient(90deg, rgba(81, 201, 191, 0.07) 1px, transparent 1px);
  background-size: 42px 42px;
  content: "";
  mask-image: linear-gradient(to bottom, black 60%, transparent);
}

.visual-header,
.visual-footer {
  position: absolute;
  right: 1.25rem;
  left: 1.25rem;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.visual-header {
  top: 1.15rem;
}

.visual-header .mono-label {
  color: #a8c5c8;
}

.live-label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: #8da7aa;
  font-family: var(--mono);
  font-size: 0.63rem;
}

.live-label i {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--lime);
}

#cell-map {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.portrait-frame {
  position: absolute;
  right: 8%;
  bottom: 4.5rem;
  z-index: 2;
  width: 58%;
  aspect-ratio: 0.86;
  overflow: hidden;
  border: 1px solid rgba(209, 238, 235, 0.35);
  border-radius: 50% 50% 44% 44% / 38% 38% 62% 62%;
  background: #dce7db;
  filter: saturate(0.72) contrast(1.05);
}

.portrait-frame::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(7, 24, 30, 0.3));
  content: "";
}

.portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 31%;
}

.plot-label {
  position: absolute;
  z-index: 4;
  padding: 0.3rem 0.5rem;
  border: 1px solid rgba(168, 197, 200, 0.35);
  background: rgba(10, 31, 39, 0.78);
  color: #a8c5c8;
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.06em;
}

.plot-label-a {
  top: 28%;
  left: 7%;
}

.plot-label-b {
  right: 4%;
  top: 45%;
}

.visual-footer {
  bottom: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(168, 197, 200, 0.22);
}

.visual-footer span {
  color: #789296;
  font-family: var(--mono);
  font-size: 0.57rem;
  text-transform: uppercase;
}

.visual-footer b {
  color: #eaf4f2;
  font-size: 0.72rem;
}

.signal-strip {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper-raised);
}

.signal-track {
  display: flex;
  width: max-content;
  min-width: 100%;
  align-items: center;
  justify-content: space-around;
  gap: clamp(1.5rem, 4vw, 4rem);
  padding: 1rem 3vw;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.signal-track i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--teal);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(240px, 0.68fr) minmax(360px, 1.32fr);
  gap: clamp(3rem, 8vw, 8rem);
  margin-bottom: clamp(4rem, 7vw, 7rem);
}

.section-index {
  margin: 0.3rem 0 1.5rem;
  color: var(--blue-bright);
}

.section-heading h2 {
  max-width: 850px;
  margin-bottom: 0;
  font-size: clamp(2.6rem, 5.3vw, 5.5rem);
  font-weight: 500;
}

.section-heading > p,
.split-heading > p {
  max-width: 460px;
  align-self: end;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

.split-heading {
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
}

.profile {
  border-bottom: 1px solid var(--line);
}

.profile-content {
  display: grid;
  grid-template-columns: minmax(240px, 0.68fr) minmax(360px, 1.32fr);
  gap: clamp(3rem, 8vw, 8rem);
}

.profile-content .lead {
  grid-column: 2;
  max-width: 920px;
  margin-bottom: 1rem;
  font-size: clamp(1.35rem, 2.3vw, 2rem);
  line-height: 1.5;
  letter-spacing: -0.025em;
}

.profile-grid {
  grid-column: 2;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  color: var(--ink-soft);
}

.profile-grid p {
  margin-bottom: 0;
}

.profile-facts {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: 4rem 0 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.profile-facts div {
  min-height: 180px;
  padding: 2rem;
  background: var(--paper-raised);
}

.profile-facts dt {
  margin-bottom: 1.6rem;
  color: var(--blue);
  font-size: clamp(2rem, 4vw, 3.6rem);
  font-weight: 500;
  letter-spacing: -0.06em;
}

.profile-facts dd {
  max-width: 250px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.experience .section-heading {
  grid-template-columns: minmax(240px, 0.68fr) minmax(360px, 1.32fr) minmax(180px, 0.5fr);
  gap: 3rem;
}

.experience .section-heading h2 {
  font-size: clamp(2.5rem, 4.7vw, 4.9rem);
}

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

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

.timeline-item summary {
  display: grid;
  grid-template-columns: minmax(115px, 0.45fr) minmax(0, 1.55fr) 2rem;
  gap: 2rem;
  align-items: center;
  padding: 2rem 0;
  cursor: pointer;
  list-style: none;
}

.timeline-item summary::-webkit-details-marker {
  display: none;
}

.timeline-date {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.timeline-role {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(240px, 0.65fr);
  gap: 2rem;
  align-items: baseline;
}

.timeline-role strong {
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  font-weight: 600;
  letter-spacing: -0.025em;
}

.timeline-role small {
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.expand-icon {
  position: relative;
  width: 1.6rem;
  height: 1.6rem;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
}

.expand-icon::before,
.expand-icon::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0.55rem;
  height: 1px;
  background: var(--ink);
  content: "";
  transform: translate(-50%, -50%);
  transition: transform 200ms ease;
}

.expand-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.timeline-item[open] .expand-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.timeline-item[open] summary {
  color: var(--blue);
}

.timeline-detail {
  display: grid;
  grid-template-columns: minmax(115px, 0.45fr) minmax(0, 1.55fr);
  gap: 2rem;
  padding: 0 2rem 2.5rem calc(0.45 / 2 * 100% + 0rem);
  color: var(--ink-soft);
}

.timeline-detail > * {
  grid-column: 2;
}

.timeline-detail p,
.timeline-detail ul {
  max-width: 850px;
}

.timeline-detail ul {
  margin-top: 0;
  padding-left: 1.2rem;
}

.timeline-detail li + li {
  margin-top: 0.5rem;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.tag-row span {
  padding: 0.38rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 2rem;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.projects,
.publications,
.principles {
  background: var(--paper-raised);
}

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

.project-feature {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(500px, 1.28fr);
  min-height: 650px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.project-copy {
  display: flex;
  flex-direction: column;
  padding: clamp(2rem, 5vw, 4.5rem);
  border-right: 1px solid var(--line);
}

.project-number {
  margin-bottom: auto;
  color: var(--blue-bright);
}

.project-copy h3,
.project-card h3 {
  margin-bottom: 1rem;
  font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 500;
}

.project-kicker {
  color: var(--ink);
  font-size: 1.2rem;
  line-height: 1.45;
}

.project-copy > p:not(.project-number):not(.project-kicker),
.project-card > p:not(.project-number) {
  color: var(--ink-soft);
}

.project-copy .text-link {
  align-self: flex-start;
  margin-top: 2rem;
}

.workflow {
  display: grid;
  grid-template-columns: minmax(155px, 0.38fr) minmax(0, 1fr);
  min-height: 100%;
  background: var(--night);
  color: #e8f1ef;
}

.workflow-steps {
  display: flex;
  flex-direction: column;
  border-right: 1px solid #28434d;
}

.workflow-steps button {
  display: grid;
  flex: 1;
  grid-template-columns: 2rem 1fr;
  align-items: center;
  border: 0;
  border-bottom: 1px solid #28434d;
  background: transparent;
  color: #82999c;
  font-size: 0.76rem;
  text-align: left;
  cursor: pointer;
  transition: background-color 180ms ease, color 180ms ease;
}

.workflow-steps button:last-child {
  border-bottom: 0;
}

.workflow-steps button span {
  padding-left: 0.85rem;
  font-family: var(--mono);
  font-size: 0.58rem;
}

.workflow-steps button:hover,
.workflow-steps button[aria-selected="true"] {
  background: #17333d;
  color: #eff7f4;
}

.workflow-steps button[aria-selected="true"] {
  box-shadow: inset 3px 0 var(--teal);
}

.workflow-panel {
  display: flex;
  min-width: 0;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(2rem, 5vw, 4rem);
  background-image: radial-gradient(circle at 70% 20%, rgba(41, 166, 161, 0.18), transparent 35%);
}

.workflow-panel .mono-label {
  margin-bottom: 1rem;
  color: #7ca4a7;
}

.workflow-panel h4 {
  margin-bottom: 1rem;
  color: #f1f7f5;
  font-size: clamp(1.8rem, 4vw, 3.4rem);
  font-weight: 500;
}

.workflow-panel > p:not(.mono-label) {
  max-width: 540px;
  color: #9db2b4;
}

.workflow-viz {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
  width: min(100%, 380px);
  margin-top: 3.5rem;
  padding: 1.5rem;
  border: 1px solid #28434d;
}

.workflow-viz i {
  width: 100%;
  aspect-ratio: 1;
  border: 1px solid rgba(81, 201, 191, 0.65);
  border-radius: 50%;
  background: radial-gradient(circle at 60% 40%, var(--lime) 0 6%, transparent 7%), radial-gradient(circle at 45% 50%, rgba(81, 201, 191, 0.3), transparent 62%);
}

.workflow-viz i:nth-child(2n) {
  transform: scale(0.72);
}

.workflow-viz i:nth-child(3n) {
  border-radius: 42% 58% 56% 44%;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: 1px;
  background: var(--line);
}

.project-card {
  display: flex;
  min-height: 570px;
  flex-direction: column;
  padding: clamp(2rem, 5vw, 4.5rem);
  background: var(--paper);
}

.project-card h3 {
  margin-top: auto;
  font-size: clamp(2.2rem, 4vw, 4.2rem);
}

.project-glyph {
  position: relative;
  width: min(78%, 330px);
  aspect-ratio: 1.7;
  margin: 3rem auto;
}

.repair-glyph::before,
.repair-glyph::after {
  position: absolute;
  top: 50%;
  width: 42%;
  height: 2px;
  background: var(--blue);
  content: "";
}

.repair-glyph::before {
  left: 0;
  transform: rotate(8deg);
}

.repair-glyph::after {
  right: 0;
  transform: rotate(-8deg);
}

.repair-glyph span {
  position: absolute;
  top: 50%;
  width: 1rem;
  height: 1rem;
  border: 1px solid var(--teal);
  border-radius: 50%;
  background: var(--paper);
  transform: translate(-50%, -50%);
}

.repair-glyph span:nth-child(1) { left: 10%; }
.repair-glyph span:nth-child(2) { left: 50%; width: 2.5rem; height: 2.5rem; background: color-mix(in srgb, var(--teal) 16%, var(--paper)); }
.repair-glyph span:nth-child(3) { left: 90%; }

.screen-glyph {
  background-image: radial-gradient(circle, var(--blue) 0 3px, transparent 4px);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse, black 30%, transparent 72%);
}

.screen-glyph::after {
  position: absolute;
  top: 38%;
  left: 47%;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 12px color-mix(in srgb, var(--teal) 15%, transparent);
  content: "";
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 3rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.skill-filters,
.publication-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.filter-button,
.pub-filter {
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 2rem;
  background: transparent;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.62rem;
  cursor: pointer;
  transition: border-color 180ms ease, color 180ms ease, background-color 180ms ease;
}

.filter-button:hover,
.filter-button.active,
.pub-filter:hover,
.pub-filter.active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.skill-map {
  position: relative;
  display: flex;
  min-height: 540px;
  flex-wrap: wrap;
  align-content: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 3rem;
  padding: clamp(2rem, 7vw, 6rem);
  overflow: hidden;
  border: 1px solid var(--line);
  background: radial-gradient(circle at 50% 50%, color-mix(in srgb, var(--teal) 9%, transparent), transparent 45%), var(--paper-raised);
}

.skill-map::before,
.skill-map::after {
  position: absolute;
  border: 1px solid color-mix(in srgb, var(--line) 65%, transparent);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.skill-map::before {
  width: 420px;
  height: 420px;
}

.skill-map::after {
  width: 680px;
  height: 680px;
}

.skill-node {
  position: relative;
  z-index: 1;
  display: inline-flex;
  min-height: 2.5rem;
  align-items: center;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 2rem;
  background: var(--paper);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.68rem;
  transition: opacity 220ms ease, transform 220ms var(--ease), background-color 220ms ease, color 220ms ease, border-color 220ms ease;
}

.skill-node.major {
  border-color: var(--blue);
  color: var(--blue);
  font-weight: 500;
}

.skill-node.muted {
  opacity: 0.12;
  transform: scale(0.92);
}

.skill-node.highlighted {
  border-color: var(--teal);
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-3px);
}

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

.publication-filters {
  align-self: end;
}

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

.publication-list li {
  border-bottom: 1px solid var(--line);
  transition: opacity 180ms ease, max-height 250ms ease;
}

.publication-list li.hidden {
  display: none;
}

.publication-list a {
  display: grid;
  grid-template-columns: 90px minmax(0, 1fr) 2rem;
  gap: 2rem;
  align-items: center;
  padding: 1.65rem 0;
  transition: padding 220ms var(--ease), color 180ms ease;
}

.publication-list a:hover {
  padding-right: 0.5rem;
  padding-left: 0.5rem;
  color: var(--blue);
}

.pub-year {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.67rem;
}

.pub-title {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px;
  gap: 2rem;
  align-items: baseline;
}

.pub-title strong {
  max-width: 900px;
  font-size: clamp(1rem, 1.7vw, 1.3rem);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: -0.02em;
}

.pub-title small {
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.62rem;
}

.pub-arrow {
  font-size: 1.2rem;
}

.education-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(350px, 0.9fr);
  gap: clamp(3rem, 7vw, 7rem);
}

.degree-list {
  border-top: 1px solid var(--line-strong);
}

.degree-list article {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--line);
}

.degree-year {
  color: var(--blue-bright);
  font-family: var(--mono);
  font-size: 0.67rem;
}

.degree-list h3,
.leadership-cards h3 {
  margin-bottom: 0.6rem;
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  font-weight: 500;
}

.degree-list p,
.leadership-cards p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.leadership-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.leadership-cards article {
  display: flex;
  min-height: 360px;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  background: var(--paper-raised);
}

.leadership-cards .mono-label {
  margin-bottom: auto;
  color: var(--blue-bright);
}

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

.principle-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--line-strong);
}

.principle-grid article {
  min-height: 330px;
  padding: 1.75rem;
  border-right: 1px solid var(--line);
}

.principle-grid article:last-child {
  border-right: 0;
}

.principle-grid span {
  color: var(--blue-bright);
  font-family: var(--mono);
  font-size: 0.65rem;
}

.principle-grid h3 {
  margin-top: 8rem;
  font-size: 1.45rem;
  font-weight: 500;
}

.principle-grid p {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.contact {
  padding-bottom: 4rem;
}

.contact-card {
  position: relative;
  padding: clamp(2.5rem, 7vw, 7rem);
  overflow: hidden;
  background: var(--night);
  color: #edf5f2;
}

.contact-card::before,
.contact-card::after {
  position: absolute;
  border: 1px solid rgba(81, 201, 191, 0.15);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.contact-card::before {
  top: -20%;
  right: -5%;
  width: 55vw;
  height: 55vw;
}

.contact-card::after {
  top: 10%;
  right: 15%;
  width: 28vw;
  height: 28vw;
}

.contact-card .section-index {
  color: #70c9c3;
}

.contact-card h2 {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  margin: 4rem 0 2rem;
  font-size: clamp(3rem, 7vw, 7rem);
  font-weight: 500;
}

.contact-card h2 em {
  color: #79cfc8;
}

.contact-card > p:not(.section-index) {
  position: relative;
  z-index: 1;
  max-width: 650px;
  color: #9fb3b4;
  font-size: 1.08rem;
}

.contact-actions {
  position: relative;
  z-index: 1;
  margin-top: 2.5rem;
}

.contact-card .button-primary {
  border-color: #edf5f2;
  background: #edf5f2;
  color: #0b1d24;
}

.button-inverse {
  border-color: #536d73;
  color: #edf5f2;
}

.button-inverse:hover {
  border-color: #79cfc8;
  color: #79cfc8;
}

.contact-meta {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  margin-top: 6rem;
  padding-top: 1.5rem;
  border-top: 1px solid #385159;
  color: #91a9ab;
  font-family: var(--mono);
  font-size: 0.62rem;
}

.contact-meta a:hover {
  color: #edf5f2;
}

.site-footer {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  padding-top: 2rem;
  padding-bottom: 2.5rem;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.6rem;
}

.site-footer p {
  margin: 0;
}

.site-footer p:nth-child(2) {
  text-align: center;
}

.site-footer a {
  text-align: right;
}

.command-dialog {
  width: min(92vw, 600px);
  max-height: min(80vh, 720px);
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--paper-raised);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.command-dialog::backdrop {
  background: rgba(3, 15, 19, 0.66);
  backdrop-filter: blur(8px);
}

.command-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--line);
}

.command-head p {
  margin: 0;
  font-size: 0.78rem;
  font-weight: 700;
}

.command-close {
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: transparent;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.6rem;
  cursor: pointer;
}

.command-search {
  display: grid;
  grid-template-columns: 2rem 1fr;
  align-items: center;
  padding: 0 1.2rem;
  border-bottom: 1px solid var(--line);
}

.command-search span {
  color: var(--ink-soft);
}

.command-search input {
  width: 100%;
  padding: 1.1rem 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
}

.command-list {
  display: grid;
  max-height: 420px;
  padding: 0.65rem;
  overflow-y: auto;
}

.command-list a {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.65rem;
  padding: 0.8rem 0.75rem;
  border-radius: 3px;
  font-size: 0.82rem;
}

.command-list a:hover,
.command-list a:focus {
  outline: 0;
  background: var(--paper-soft);
}

.command-list a[hidden] {
  display: none;
}

.command-list span {
  color: var(--blue-bright);
  font-family: var(--mono);
  font-size: 0.62rem;
}

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

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

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 4px;
}

@media (max-width: 1100px) {
  .nav-shell {
    grid-template-columns: 1fr auto;
  }

  .primary-nav {
    position: fixed;
    inset: 76px 0 auto;
    display: none;
    padding: 1rem 4vw 1.5rem;
    border-bottom: 1px solid var(--line);
    background: var(--paper);
  }

  .primary-nav.open {
    display: grid;
  }

  .menu-toggle {
    display: grid;
    align-content: center;
    gap: 5px;
  }

  .menu-toggle span:not(.sr-only) {
    display: block;
    width: 15px;
    height: 1px;
    background: currentColor;
  }

  .hero {
    grid-template-columns: 1fr 0.78fr;
    gap: 3rem;
  }

  .hero h1 {
    font-size: clamp(3.5rem, 7.6vw, 6rem);
  }

  .hero-visual {
    min-height: 520px;
  }

  .experience .section-heading {
    grid-template-columns: 0.55fr 1.45fr;
  }

  .experience .section-heading > p {
    grid-column: 2;
  }

  .project-feature {
    grid-template-columns: 1fr;
  }

  .project-copy {
    min-height: 500px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .workflow {
    min-height: 540px;
  }

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

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

  .principle-grid article:nth-child(3) {
    border-right: 0;
  }

  .principle-grid article:nth-child(n + 4) {
    border-top: 1px solid var(--line);
  }
}

@media (max-width: 800px) {
  body::before {
    display: none;
  }

  .section-shell {
    width: min(90vw, 680px);
  }

  .nav-shell {
    width: 92vw;
  }

  .wordmark-name,
  .command-trigger {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 9.5rem;
  }

  .hero-copy {
    max-width: 680px;
  }

  .hero-visual {
    min-height: min(125vw, 640px);
  }

  .portrait-frame {
    width: 56%;
  }

  .section-heading,
  .profile-content,
  .experience .section-heading,
  .split-heading {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .section-heading > p,
  .split-heading > p,
  .experience .section-heading > p,
  .profile-content .lead,
  .profile-grid {
    grid-column: 1;
  }

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

  .profile-facts {
    grid-template-columns: 1fr;
  }

  .profile-facts div {
    min-height: auto;
  }

  .profile-facts dt {
    margin-bottom: 0.6rem;
  }

  .timeline-item summary {
    grid-template-columns: 85px 1fr 2rem;
    gap: 1rem;
  }

  .timeline-role {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .timeline-detail {
    display: block;
    padding: 0 3rem 2rem 101px;
  }

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

  .project-card {
    min-height: 520px;
  }

  .pub-title {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .publication-list a {
    grid-template-columns: 62px minmax(0, 1fr) 1.5rem;
    gap: 1rem;
  }

  .leadership-cards {
    grid-template-columns: 1fr;
  }

  .leadership-cards article {
    min-height: 290px;
  }

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

  .principle-grid article:nth-child(2n) {
    border-right: 0;
  }

  .principle-grid article:nth-child(3) {
    border-right: 1px solid var(--line);
  }

  .principle-grid article:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

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

  .site-footer p:nth-child(2) {
    display: none;
  }
}

@media (max-width: 540px) {
  .section-pad {
    padding-top: 5.5rem;
    padding-bottom: 5.5rem;
  }

  .hero {
    padding-top: 8.5rem;
  }

  .hero h1 {
    font-size: clamp(3rem, 15vw, 4.5rem);
  }

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

  .visual-footer {
    gap: 0.5rem;
  }

  .visual-footer span:nth-child(2) {
    display: none;
  }

  .timeline-item summary {
    grid-template-columns: 1fr 2rem;
  }

  .timeline-date {
    grid-column: 1;
  }

  .timeline-role {
    grid-column: 1;
  }

  .expand-icon {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

  .timeline-detail {
    padding-left: 0;
  }

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

  .workflow-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    border-right: 0;
    border-bottom: 1px solid #28434d;
  }

  .workflow-steps button {
    display: block;
    min-height: 64px;
    padding: 0.5rem 0.2rem;
    overflow: hidden;
    border-right: 1px solid #28434d;
    border-bottom: 0;
    font-size: 0;
    text-align: center;
  }

  .workflow-steps button span {
    padding: 0;
    font-size: 0.58rem;
  }

  .workflow-steps button[aria-selected="true"] {
    box-shadow: inset 0 3px var(--teal);
  }

  .workflow-panel {
    min-height: 460px;
  }

  .skill-map {
    min-height: 480px;
    padding: 2rem 1rem;
  }

  .skill-node {
    font-size: 0.59rem;
  }

  .publication-list a {
    grid-template-columns: 1fr 1.5rem;
  }

  .pub-year {
    grid-column: 1 / -1;
  }

  .degree-list article {
    grid-template-columns: 60px 1fr;
    gap: 1rem;
  }

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

  .principle-grid article,
  .principle-grid article:nth-child(3) {
    min-height: auto;
    border-top: 1px solid var(--line);
    border-right: 0;
  }

  .principle-grid h3 {
    margin-top: 4rem;
  }

  .contact-meta {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

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

@media print {
  .site-header,
  .hero-visual,
  .signal-strip,
  .command-dialog,
  .contact-actions {
    display: none !important;
  }

  body {
    background: #fff;
    color: #111;
  }

  .hero {
    min-height: auto;
    padding-top: 2rem;
  }

  .section-pad {
    padding-block: 3rem;
  }

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