:root {
  color-scheme: dark;
  --bg: #050505;
  --surface: #0d0d0e;
  --surface-hover: #151518;
  --text: #f2f4f8;
  --muted: #a1a8b3;
  --quiet: #747b86;
  --line: #292c32;
  --line-strong: #424750;
  --accent: #4d8bff;
  --available: #2fd671;
  --accent-dark: #121827;
  --sans: "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --page: min(1180px, calc(100vw - 64px));
  --header-h: 72px;
}

* {
  box-sizing: border-box;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
  overflow-x: clip;
  background: var(--bg);
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

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

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

button {
  font: inherit;
}

.icon-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

.icon {
  width: 1em;
  height: 1em;
  flex: 0 0 auto;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: square;
  stroke-linejoin: miter;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 5px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--mono);
  font-size: 0.75rem;
  transform: translateY(-160%);
}

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

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  height: var(--header-h);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 82%, transparent);
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(12px);
}

.header-inner {
  width: var(--page);
  height: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 28px;
}

.brand {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border: 1px solid var(--accent);
  border-radius: 9px;
  background: rgba(77, 139, 255, 0.1);
  box-shadow: 0 0 12px rgba(77, 139, 255, 0.3), inset 0 0 7px rgba(77, 139, 255, 0.12);
  display: inline-grid;
  grid-auto-flow: column;
  place-content: center;
  place-items: center;
  gap: 2px;
  font-family: var(--mono);
  font-size: 0.67rem;
  letter-spacing: -0.12em;
}

.brand-mark i {
  color: var(--accent);
  font-style: normal;
}

.main-nav {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  align-items: center;
  gap: 30px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

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

.main-nav a:hover,
.main-nav a[aria-current="true"],
.site-footer a:hover {
  color: var(--text);
}

.language-switch {
  grid-column: 3;
  grid-row: 1;
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.68rem;
}

.language-switch a {
  min-width: 30px;
  min-height: 30px;
  display: inline-grid;
  place-items: center;
  color: inherit;
  transition: color 160ms ease;
}

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

.section {
  position: relative;
  width: var(--page);
  margin: 0 auto;
  padding: 120px 0;
}

.section::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 100vw;
  height: 1px;
  background: var(--line);
}

.eyebrow {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  line-height: 1.3;
  text-transform: uppercase;
}

.eyebrow-index {
  color: var(--accent);
}

.hero {
  min-height: calc(100vh - var(--header-h));
  padding-top: clamp(72px, 10vh, 110px);
  padding-bottom: 42px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  grid-template-rows: 1fr auto;
  column-gap: clamp(36px, 4vw, 88px);
}

.hero-heading {
  align-self: start;
}

.hero h1 {
  margin: 34px 0 0;
  font-size: clamp(4.1rem, 8.8vw, 7.2rem);
  font-weight: 500;
  letter-spacing: -0.075em;
  line-height: 0.82;
}

.hero h1 span {
  color: var(--muted);
}

.hero-copy {
  align-self: center;
  padding-top: 58px;
}

.availability {
  margin-bottom: 26px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--available);
  box-shadow:
    0 0 0 4px color-mix(in srgb, var(--available) 12%, transparent),
    0 0 14px 2px color-mix(in srgb, var(--available) 55%, transparent);
}

.hero-lede {
  max-width: 18ch;
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.65rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.hero-note {
  max-width: 55ch;
  margin: 25px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.hero-actions {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.text-link {
  padding-block: 4px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid var(--line-strong);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.67rem;
  line-height: 2;
  transition: border-color 160ms ease, color 160ms ease;
}

.text-link:hover {
  border-color: var(--text);
  color: var(--text);
}

.text-link--accent {
  border-color: var(--accent);
  color: var(--text);
}

.text-link--accent .icon {
  color: var(--accent);
}

.hero-index {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
}

.index-item {
  padding: 22px 24px 0 0;
}

.index-item + .index-item {
  padding-left: 24px;
}

.index-label {
  display: block;
}

.index-number,
.index-label,
.project-id,
.project-type,
.block-label,
.experience-row time,
.education-item time,
.earlier-roles time {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.index-number {
  color: var(--quiet);
}

.index-label {
  color: var(--muted);
}

.index-item p {
  margin: 8px 0 0;
  font-size: 0.86rem;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  column-gap: 56px;
}

.section-heading .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: 54px;
}

.section-heading h2 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(2.7rem, 5.3vw, 4.8rem);
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 0.98;
}

.section-heading > p:last-child {
  max-width: 48ch;
  margin: 0;
  align-self: end;
  justify-self: end;
  color: var(--muted);
  font-size: 1.05rem;
}

.further-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  list-style: none;
}

.further-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 0.85rem;
}

.further-list .icon {
  width: 18px;
  height: 18px;
  color: var(--accent);
  filter: drop-shadow(0 0 4px rgba(77, 139, 255, 0.5));
}

.project-list {
  margin-top: 92px;
  border-top: 1px solid var(--line-strong);
}

.project-row {
  position: relative;
  cursor: pointer;
  min-height: 290px;
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr) minmax(245px, 0.62fr);
  gap: 38px;
  padding: 44px 30px 44px 0;
  border-bottom: 1px solid var(--line);
  transition: background-color 160ms ease;
}

@media (hover: hover) and (pointer: fine) {
  .project-row:hover {
    background: var(--surface);
  }
}

.project-id {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  color: var(--quiet);
}

.project-id > span {
  color: var(--accent);
}

.project-copy {
  align-self: start;
}

.project-type {
  margin: 0 0 18px;
  color: var(--muted);
}

.project-copy h3 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.55rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.project-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.project-repo {
  min-height: 30px;
  padding: 4px 0;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--line-strong);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: border-color 160ms ease, color 160ms ease;
}

.project-repo:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.project-copy > p:not(.project-type) {
  max-width: 60ch;
  margin: 22px 0 0;
  color: var(--muted);
}

.tech-line {
  margin: 28px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 7px 0;
  list-style: none;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.tech-line li + li::before {
  content: "/";
  padding: 0 9px;
  color: var(--quiet);
}

.project-visual {
  margin: 0;
  align-self: center;
  border: 1px solid var(--line);
  background: #0a0a0a;
  overflow: hidden;
}

.project-visual svg {
  width: 100%;
  height: auto;
  display: block;
}

.project-visual text {
  fill: var(--muted);
  font-family: var(--mono);
  font-size: 8px;
  letter-spacing: 0.08em;
}

.project-visual--proof {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  aspect-ratio: 280 / 176;
  background: #050505;
}

.project-visual--proof img {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: block;
  object-fit: contain;
  background: #050505;
}

.project-visual figcaption {
  min-height: 32px;
  padding: 9px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.05em;
  line-height: 1.25;
  text-transform: uppercase;
}

.proof-dot {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 12%, transparent);
}

.diagram-node,
.diagram-line,
.signal-line {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1;
}

.diagram-accent,
.signal-line {
  stroke: var(--accent);
}

.diagram-accent-fill {
  fill: var(--accent-dark);
  stroke: var(--accent);
}

.diagram-frame,
.terminal-frame,
.register-frame {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1;
}

.planner-block {
  fill: #121827;
  stroke: var(--line-strong);
  stroke-width: 1;
}

.planner-block--accent {
  fill: var(--accent-dark);
  stroke: var(--accent);
}

.planner-route,
.completion-ring,
.completion-mark,
.chart-line {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1;
}

.planner-route {
  stroke-dasharray: 3 3;
}

.completion-mark {
  stroke-width: 1.4;
}

.packet-dot {
  fill: var(--accent);
}

.project-visual .diagram-text-accent {
  fill: var(--accent);
}

.signal-line {
  stroke-width: 1.2;
}

.diagram-accent,
.diagram-accent-fill,
.signal-line,
.chart-line,
.packet-dot,
.planner-route,
.completion-ring,
.completion-mark,
.planner-block--accent,
.project-visual .diagram-text-accent {
  filter: drop-shadow(0 0 2.5px rgba(77, 139, 255, 0.5));
}

.heat-grid rect {
  stroke: var(--line);
  stroke-width: 1;
}

.heat-grid [data-level="1"] { fill: #121827; }
.heat-grid [data-level="2"] { fill: #182542; }
.heat-grid [data-level="3"] { fill: #243b6b; }
.heat-grid [data-level="4"] { fill: #35569b; }
.heat-grid [data-level="5"] { fill: var(--accent); }

.section-heading--compact {
  display: block;
}

.section-heading--compact .eyebrow {
  margin-bottom: 54px;
}

.section-heading--compact h2 {
  max-width: 14ch;
}

.experience-list {
  margin-top: 92px;
  border-top: 1px solid var(--line-strong);
}

.experience-row {
  display: grid;
  grid-template-columns: 160px minmax(220px, 0.75fr) minmax(300px, 1.25fr);
  gap: 40px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

.experience-row time {
  color: var(--muted);
}

.experience-role p,
.experience-role h3,
.experience-row > p {
  margin: 0;
}

.experience-role p {
  margin-bottom: 8px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.experience-role h3 {
  font-size: 1.12rem;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.experience-row > p {
  color: var(--muted);
  font-size: 0.92rem;
}

.earlier-roles summary {
  padding: 24px 0;
  display: flex;
  justify-content: flex-start;
  gap: 12px;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  list-style: none;
  text-transform: uppercase;
}

.earlier-roles summary::-webkit-details-marker {
  display: none;
}

.earlier-roles summary span:last-child {
  color: var(--accent);
  font-size: 1.25rem;
  line-height: 0.7;
  transition: transform 160ms ease;
}

.earlier-roles[open] summary span:last-child {
  transform: rotate(45deg);
}

.earlier-roles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  padding-bottom: 30px;
  background: var(--line);
}

.earlier-roles article {
  min-height: 150px;
  padding: 24px;
  background: var(--bg);
}

.earlier-roles time {
  color: var(--quiet);
}

.earlier-roles h3 {
  margin: 30px 0 6px;
  font-size: 0.94rem;
  font-weight: 500;
}

.earlier-roles p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.profile-grid {
  margin-top: 92px;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.education-block,
.language-block {
  padding: 38px;
  background: var(--surface);
}

.language-block {
  display: flex;
  flex-direction: column;
}

.language-block .further-note {
  margin-top: auto;
  padding-top: 36px;
}

.further-note .block-label {
  margin: 0 0 14px;
}

.further-note .detail-note {
  margin: 0;
}

.project-visual .mem-label {
  letter-spacing: 0.01em;
}

.block-label {
  margin: 0 0 42px;
  color: var(--accent);
}

.education-item {
  display: grid;
  grid-template-columns: 145px 1fr;
  gap: 26px;
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.education-item time {
  color: var(--muted);
}

.education-item h3,
.education-item p {
  margin: 0;
}

.education-item h3 {
  font-size: 1rem;
  font-weight: 500;
}

.education-item p {
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.85rem;
}

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

.language-list li {
  padding: 18px 0;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  border-bottom: 1px solid var(--line);
}

.language-list small,
.detail-note {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.detail-note {
  margin: 38px 0 0;
}

.technical-index {
  padding-top: 76px;
}

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

.skill-group {
  min-height: 155px;
  padding: 24px 20px 24px 0;
  border-right: 1px solid var(--line);
}

.skill-group + .skill-group {
  padding-left: 20px;
}

.skill-group:last-child {
  border-right: 0;
}

.skill-group h3 {
  min-height: 32px;
  margin: 0 0 28px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.skill-group p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.8;
}

.contact {
  padding-bottom: 88px;
}

.contact-grid {
  margin-top: 74px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: end;
  gap: 50px;
}

.contact h2 {
  max-width: 15ch;
  margin: 0;
  font-size: clamp(2.7rem, 5vw, 4.6rem);
  font-weight: 400;
  letter-spacing: -0.06em;
  line-height: 1;
  hyphens: auto;
}

.contact-grid p {
  max-width: 42ch;
  margin: 28px 0 0;
  color: var(--muted);
}

.contact-actions {
  align-self: end;
  display: grid;
  gap: 14px;
}

.availability-card {
  padding: 0;
  border: 0;
  background: none;
}

.availability-card .block-label {
  margin: 0 0 20px;
}

.availability-card-status {
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.67rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.availability-card dl {
  margin: 0;
  border-top: 1px solid var(--line);
}

.availability-card dl > div {
  min-width: 0;
  padding: 11px 0;
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  gap: 16px;
  border-bottom: 1px solid var(--line);
}

.availability-card dl > div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.availability-card dt,
.availability-card dd {
  margin: 0;
}

.availability-card dt {
  color: var(--accent);
  display: grid;
  place-items: center;
  filter: drop-shadow(0 0 4px rgba(77, 139, 255, 0.55));
}

.contact-fact-icon {
  width: 15px;
  height: 15px;
}

.availability-card dd {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.email-link {
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
  font-family: var(--mono);
  font-size: clamp(0.82rem, 1.5vw, 1rem);
  overflow-wrap: anywhere;
  transition: border-color 160ms ease, color 160ms ease;
}

.email-link:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.contact-link-label {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.contact-link-label .icon {
  color: var(--accent);
}

.contact-link-label > span:last-child {
  overflow-wrap: anywhere;
}

.contact-profile {
  padding: 8px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 160ms ease;
}

.contact-profile:hover {
  color: var(--accent);
}

.contact-icons {
  display: flex;
  gap: 24px;
  padding-top: 6px;
}

.icon-btn {
  display: grid;
  place-items: center;
  color: var(--muted);
  transition: color 160ms ease, transform 160ms ease;
}

.icon-btn:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

.icon-btn .icon {
  width: 28px;
  height: 28px;
}

.icon--github {
  fill: currentColor;
  stroke: none;
}

.site-footer {
  width: var(--page);
  min-height: 90px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 30px;
  color: var(--quiet);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

@media (max-width: 980px) {
  :root {
    --page: min(100% - 42px, 760px);
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 70px;
  }

  .hero-copy {
    max-width: 620px;
    padding-top: 0;
  }

  .hero-lede {
    max-width: 23ch;
  }

  .hero-index {
    grid-column: 1;
    margin-top: 20px;
  }

  .project-row {
    grid-template-columns: 75px minmax(0, 1fr);
  }

  .project-visual {
    grid-column: 2;
    width: min(100%, 340px);
  }

  .experience-row {
    grid-template-columns: 120px 1fr;
  }

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

  .skills-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .skill-group:nth-child(-n + 3) {
    grid-column: span 2;
  }

  .skill-group:nth-child(n + 4) {
    grid-column: span 3;
  }

  .skill-group:nth-child(3) {
    border-right: 0;
  }

  .skill-group:nth-child(4) {
    padding-left: 0;
  }

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

@media (min-width: 800px) and (max-width: 980px) and (max-height: 500px) {
  .hero {
    grid-template-columns: minmax(0, 1fr) minmax(290px, 0.85fr);
    grid-template-rows: auto auto;
    column-gap: 36px;
    row-gap: 32px;
    padding-top: 36px;
  }

  .hero h1 {
    font-size: clamp(4rem, 9vw, 5.25rem);
  }

  .hero-copy {
    align-self: start;
  }

  .hero-lede {
    font-size: 1.65rem;
  }

  .hero-note {
    margin-top: 14px;
    font-size: 0.85rem;
  }

  .hero-actions {
    margin-top: 18px;
  }

  .hero-index {
    grid-column: 1 / -1;
    margin-top: 0;
  }
}

@media (max-width: 720px) {
  :root {
    --page: calc(100% - 32px);
    --header-h: 108px;
  }

  .header-inner {
    position: relative;
    height: 108px;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-rows: 64px 44px;
    gap: 0 12px;
  }

  .header-inner::after {
    content: "";
    position: absolute;
    top: 64px;
    right: 0;
    left: 0;
    border-top: 1px solid var(--line);
  }

  .brand {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  .main-nav {
    grid-column: 1;
    grid-row: 2;
    position: static;
    height: 44px;
    justify-content: space-between;
    gap: 12px;
  }

  .language-switch {
    grid-column: 2;
    grid-row: 2;
    align-self: center;
  }

  .main-nav a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }

  .section {
    padding: 86px 0;
  }

  .hero {
    min-height: calc(100svh - var(--header-h));
    padding-top: 54px;
    padding-bottom: 24px;
    gap: 52px;
  }

  .hero h1 {
    margin-top: 28px;
    font-size: clamp(3.75rem, 20vw, 6.2rem);
  }

  .hero-lede {
    font-size: 1.8rem;
  }

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

  .index-item,
  .index-item + .index-item {
    min-height: 76px;
    padding: 18px 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .index-item:last-child {
    border-bottom: 0;
  }

  .section-heading {
    display: block;
  }

  .section-heading .eyebrow,
  .section-heading--compact .eyebrow {
    margin-bottom: 40px;
  }

  .section-heading h2 {
    max-width: 12ch;
    font-size: 2.7rem;
  }

  .section-heading > p:last-child {
    margin-top: 28px;
  }

  .project-list,
  .experience-list,
  .profile-grid {
    margin-top: 64px;
  }

  .project-row {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 32px 0;
  }

  .project-heading {
    gap: 18px;
  }

  .project-id {
    flex-direction: row;
  }

  .project-visual {
    grid-column: 1;
    width: 100%;
  }

  .experience-row {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 28px 0;
  }

  .experience-row > p {
    grid-column: 1;
  }

  .earlier-roles-grid {
    grid-template-columns: 1fr;
  }

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

  .education-block,
  .language-block {
    padding: 28px 22px;
  }

  .education-item {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .technical-index {
    padding-top: 64px;
  }

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

  .skill-group,
  .skill-group + .skill-group {
    min-height: 135px;
    padding: 20px 16px 20px 0;
    border-top: 0;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .skills-grid > .skill-group {
    grid-column: auto;
  }

  .skill-group:nth-child(even) {
    padding-left: 16px;
    border-right: 0;
  }

  .skill-group:nth-child(n + 3) {
    border-top: 0;
  }

  .skill-group:last-child {
    grid-column: 1 / -1;
    border-right: 0;
    border-bottom: 0;
  }

  .contact-grid {
    margin-top: 54px;
    grid-template-columns: 1fr;
    gap: 52px;
  }

  .contact h2 {
    font-size: 2.7rem;
  }

  .availability-card {
    padding: 22px;
  }

  .availability-card dl > div {
    gap: 16px;
  }

  .email-link {
    font-size: 0.73rem;
  }

  .site-footer {
    padding: 28px 0;
    grid-template-columns: 1fr auto;
    gap: 12px 24px;
  }

}

@media (max-width: 340px) {
  .header-inner {
    column-gap: 6px;
  }

  .main-nav {
    gap: 8px;
    font-size: 0.65rem;
    letter-spacing: 0.02em;
  }

  .language-switch {
    gap: 2px;
    font-size: 0.65rem;
  }

  .language-switch a {
    min-width: 26px;
  }

  .hero h1 {
    font-size: clamp(3.1rem, 18vw, 3.75rem);
  }

  .contact h2 {
    font-size: 2.35rem;
    overflow-wrap: anywhere;
  }
}

/* =========================================================
   Motion layer: reading-progress bar, active-nav underline,
   scroll reveal, and on-view diagram drawing. Progressive
   enhancement — gated on the .js class the head script sets,
   and fully neutralised under reduced motion below.
   ========================================================= */

.scroll-progress {
  position: fixed;
  z-index: 200;
  inset: 0 0 auto 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: var(--accent);
  pointer-events: none;
  will-change: transform;
}

html.js .projects .section-heading,
html.js .project-row,
html.js .experience .section-heading--compact,
html.js .experience-row,
html.js .earlier-roles,
html.js .profile .section-heading,
html.js .profile-grid,
html.js .technical-index,
html.js .contact-grid {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

html.js .project-row {
  transition: opacity 0.6s ease, transform 0.6s ease, background-color 160ms ease;
}

html.js .is-visible {
  opacity: 1 !important;
  transform: none !important;
}

/* On-view diagram drawing — accent strokes draw in, bars grow, dots fade */
html.js .project-visual .planner-route,
html.js .project-visual .completion-ring,
html.js .project-visual .completion-mark,
html.js .project-visual .signal-line,
html.js .project-visual .chart-line,
html.js .project-visual .diagram-accent {
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
}

html.js .project-visual .planner-block {
  transform: scaleX(0);
  transform-box: fill-box;
  transform-origin: left center;
}

html.js .project-visual .packet-dot,
html.js .project-visual .diagram-text-accent,
html.js .project-visual .diagram-accent-fill {
  opacity: 0;
}

html.js .project-row.is-visible .planner-route,
html.js .project-row.is-visible .completion-ring,
html.js .project-row.is-visible .completion-mark,
html.js .project-row.is-visible .signal-line,
html.js .project-row.is-visible .chart-line,
html.js .project-row.is-visible .diagram-accent {
  animation: draw-stroke 0.9s ease 0.2s forwards;
}

html.js .project-row.is-visible .planner-block {
  animation: grow-x 0.55s ease 0.15s forwards;
}

html.js .project-row.is-visible .planner-block--accent {
  animation-delay: 0.55s;
}

html.js .project-row.is-visible .packet-dot,
html.js .project-row.is-visible .diagram-text-accent,
html.js .project-row.is-visible .diagram-accent-fill {
  animation: fade-soft 0.6s ease 0.35s forwards;
}

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

@keyframes grow-x {
  to {
    transform: scaleX(1);
  }
}

@keyframes fade-soft {
  to {
    opacity: 1;
  }
}

@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;
  }

  .scroll-progress {
    display: none;
  }

  html.js .projects .section-heading,
  html.js .project-row,
  html.js .experience .section-heading--compact,
  html.js .experience-row,
  html.js .earlier-roles,
  html.js .profile .section-heading,
  html.js .profile-grid,
  html.js .technical-index,
  html.js .contact-grid,
  html.js .project-visual .planner-block {
    opacity: 1 !important;
    transform: none !important;
  }

  html.js .project-visual .planner-route,
  html.js .project-visual .completion-ring,
  html.js .project-visual .completion-mark,
  html.js .project-visual .signal-line,
  html.js .project-visual .chart-line,
  html.js .project-visual .diagram-accent {
    stroke-dashoffset: 0 !important;
  }

  html.js .project-visual .packet-dot,
  html.js .project-visual .diagram-text-accent,
  html.js .project-visual .diagram-accent-fill {
    opacity: 1 !important;
  }
}

/* --- Project detail disclosures --- */
.project-detail {
  margin-top: 24px;
}

.project-detail summary {
  display: none;
}

.project-detail summary::-webkit-details-marker {
  display: none;
}

.project-detail summary:hover {
  color: var(--text);
}

.project-detail summary span:last-child {
  color: var(--accent);
  font-size: 1.25rem;
  line-height: 0.7;
  transition: transform 200ms ease;
}

.project-detail[open] summary span:last-child {
  transform: rotate(45deg);
}

.project-detail ul {
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
  max-width: 60ch;
  list-style: none;
}

.project-detail li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.project-detail li::before {
  content: "";
  position: absolute;
  top: 0.66em;
  left: 0;
  width: 7px;
  height: 1px;
  background: var(--accent);
}

/* --- Hero depth: faint dot grid behind the heading --- */
.hero {
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: -30px -30px 0;
  background-image: radial-gradient(circle at center, var(--line) 1px, transparent 1.5px);
  background-size: 30px 30px;
  opacity: 0.55;
  -webkit-mask-image: radial-gradient(115% 85% at 28% 22%, #000 0%, transparent 68%);
  mask-image: radial-gradient(115% 85% at 28% 22%, #000 0%, transparent 68%);
  pointer-events: none;
}

/* --- Breathing ring on the availability dot --- */
.status-dot {
  position: relative;
}

.status-dot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--available);
  animation: pulse-ring 2.6s ease-out infinite;
}

@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 0.55;
  }
  70%,
  100% {
    transform: scale(3.4);
    opacity: 0;
  }
}

/* --- Icon hover nudges --- */
.icon {
  transition: transform 180ms ease;
}

.text-link--accent:hover .icon {
  transform: translateY(3px);
}

.text-link:not(.text-link--accent):hover .icon,
.project-repo:hover .icon,
.contact-profile:hover .icon,
.email-link:hover .icon {
  transform: translate(2px, -2px);
}

.site-footer a:hover .icon {
  transform: translateY(-3px);
}

/* --- Cross-fade between DE and EN pages --- */
@view-transition {
  navigation: auto;
}

@media (prefers-reduced-motion: reduce) {
  .status-dot::after {
    display: none;
  }

  ::view-transition-old(root),
  ::view-transition-new(root) {
    animation: none !important;
  }
}