:root {
  color-scheme: dark;
  --color-bg: #081225;
  --color-bg-deep: #030611;
  --color-surface: rgba(13, 27, 52, 0.72);
  --color-surface-hover: rgba(18, 37, 70, 0.84);
  --color-text: #edf3ff;
  --color-muted: #9aa9c2;
  --color-accent: #79c7ff;
  --color-accent-blue: #7187ff;
  --color-border: rgba(120, 156, 210, 0.2);
  --color-border-strong: rgba(120, 156, 210, 0.4);
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --container: 75rem;
  --radius: 1rem;
  --header-height: 4rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  background: var(--color-bg-deep);
  scroll-behavior: smooth;
  scroll-padding-top: 1rem;
}

body {
  margin: 0;
  min-width: 20rem;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 82% 12%, rgba(43, 85, 170, 0.16), transparent 28rem),
    linear-gradient(180deg, var(--color-bg-deep) 0%, var(--color-bg) 28%, #071126 72%, var(--color-bg-deep) 100%);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

::selection {
  background: rgba(121, 199, 255, 0.24);
  color: var(--color-text);
}

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  background: var(--color-text);
  color: var(--color-bg-deep);
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

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

.container {
  width: min(calc(100% - 3rem), var(--container));
  margin-inline: auto;
}

.section {
  position: relative;
  scroll-margin-top: 1rem;
}

.content-section {
  padding-block: 7rem;
}

.page-atmosphere,
.knowledge-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.page-atmosphere {
  z-index: 0;
  overflow: hidden;
}

.knowledge-canvas {
  z-index: 0;
  width: 100%;
  height: 100%;
  opacity: 0.55;
}

.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(1px);
  opacity: 0.28;
}

.ambient-glow--one {
  width: 32rem;
  height: 32rem;
  top: 10%;
  right: -14rem;
  background: radial-gradient(circle, rgba(113, 135, 255, 0.18), transparent 68%);
}

.ambient-glow--two {
  width: 26rem;
  height: 26rem;
  bottom: 14%;
  left: -13rem;
  background: radial-gradient(circle, rgba(121, 199, 255, 0.1), transparent 68%);
}

.pointer-glow {
  position: absolute;
  width: 26rem;
  height: 26rem;
  left: calc(var(--pointer-x, 50vw) - 13rem);
  top: calc(var(--pointer-y, 25vh) - 13rem);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(121, 199, 255, 0.06), transparent 66%);
  transition: opacity 300ms ease;
}

main,
.site-footer,
.mobile-header,
.side-nav {
  position: relative;
  z-index: 1;
}

.mobile-header {
  display: none;
}

.side-nav {
  position: fixed;
  z-index: 20;
  top: 50%;
  left: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  transform: translateY(-50%);
}

.side-nav__link {
  display: flex;
  align-items: center;
  min-height: 2.75rem;
  gap: 0.75rem;
  color: var(--color-muted);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  transition: color 200ms ease;
}

.side-nav__dot {
  width: 0.45rem;
  height: 0.45rem;
  border: 1px solid var(--color-border-strong);
  border-radius: 50%;
  background: var(--color-bg);
  transition: 200ms ease;
}

.side-nav__link:hover,
.side-nav__link.is-active {
  color: var(--color-text);
}

.side-nav__link.is-active .side-nav__dot {
  border-color: var(--color-accent);
  background: var(--color-accent);
  box-shadow: 0 0 0 5px rgba(121, 199, 255, 0.1);
}

.hero {
  min-height: 100svh;
  display: grid;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}

.hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  inset: auto 0 0;
  height: 9rem;
  background: linear-gradient(transparent, rgba(8, 18, 37, 0.74));
  pointer-events: none;
}

.hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(25rem, 0.9fr);
  align-items: center;
  gap: 4rem;
  padding-block: 6rem 7rem;
}

.hero__content {
  max-width: 42rem;
}

.section-kicker,
.identity-path__meta,
.project-card__type {
  color: var(--color-accent);
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.18em;
}

.hero h1 {
  display: flex;
  align-items: flex-end;
  gap: clamp(1rem, 2vw, 1.5rem);
  margin-bottom: 1rem;
  font-size: clamp(3.5rem, 7vw, 5rem);
  font-weight: 760;
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.hero h1 > span {
  width: fit-content;
  background: linear-gradient(105deg, var(--color-text) 10%, var(--color-accent) 58%, var(--color-accent-blue));
  background-clip: text;
  color: transparent;
}

.hero h1 small {
  margin-bottom: 0.45rem;
  color: rgba(154, 169, 194, 0.66);
  font-size: clamp(0.72rem, 1.2vw, 0.9rem);
  font-weight: 650;
  letter-spacing: 0.32em;
  line-height: 1;
}

.hero__role {
  margin-bottom: 1rem;
  color: var(--color-text);
  font-size: clamp(1.15rem, 2.2vw, 1.55rem);
  font-weight: 560;
  letter-spacing: 0.04em;
}

.hero__role span {
  margin-inline: 0.4rem;
  color: var(--color-accent);
}

.hero__intro {
  max-width: 38rem;
  margin-bottom: 1.75rem;
  color: var(--color-muted);
  font-size: clamp(1rem, 1.4vw, 1.1rem);
}

.tag-list,
.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.tag-list li,
.project-card__tags li {
  border: 1px solid var(--color-border);
  border-radius: 99rem;
  background: rgba(8, 18, 38, 0.48);
  color: var(--color-muted);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
}

.tag-list li {
  padding: 0.42rem 0.9rem;
}

.knowledge-map {
  position: relative;
  width: min(38vw, 32.5rem);
  aspect-ratio: 1;
  justify-self: end;
}

.knowledge-map::before {
  content: "";
  position: absolute;
  inset: 15%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(113, 135, 255, 0.13), rgba(121, 199, 255, 0.035) 38%, transparent 68%);
  filter: blur(2px);
}

.knowledge-map__orbit {
  position: absolute;
  border: 1px solid var(--color-border);
  border-radius: 50%;
}

.knowledge-map__orbit::after {
  content: "";
  position: absolute;
  width: 0.45rem;
  height: 0.45rem;
  top: 12%;
  left: 20%;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 1rem rgba(121, 199, 255, 0.72);
}

.knowledge-map__orbit--outer {
  inset: 5%;
  border-color: rgba(113, 135, 255, 0.28);
  transform: rotate(-18deg);
  animation: orbit-breathe 9s ease-in-out infinite alternate;
}

.knowledge-map__orbit--inner {
  inset: 25%;
  border-style: dashed;
  transform: rotate(22deg);
}

.knowledge-map__core {
  position: absolute;
  z-index: 2;
  inset: 40%;
  display: grid;
  place-items: center;
  border: 1px solid rgba(121, 199, 255, 0.36);
  border-radius: 50%;
  background: rgba(6, 14, 32, 0.9);
  color: var(--color-text);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.4;
  text-align: center;
  box-shadow: 0 0 3rem rgba(121, 199, 255, 0.1);
}

.knowledge-map__pulse {
  position: absolute;
  inset: -12%;
  border: 1px solid rgba(121, 199, 255, 0.17);
  border-radius: inherit;
  animation: pulse 4s ease-out infinite;
}

.knowledge-map__node {
  position: absolute;
  z-index: 3;
  display: grid;
  min-width: 4rem;
  min-height: 2rem;
  place-items: center;
  padding-inline: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 99rem;
  background: rgba(6, 13, 30, 0.84);
  color: var(--color-muted);
  font-size: 0.58rem;
  font-weight: 650;
  letter-spacing: 0.1em;
}

.knowledge-map__node::before {
  content: "";
  width: 0.3rem;
  height: 0.3rem;
  margin-right: 0.4rem;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0.7rem var(--color-accent);
}

.knowledge-map__node--ops {
  top: 50%;
  left: 1%;
}

.knowledge-map__node--knowledge {
  top: 16%;
  right: 1%;
}

.knowledge-map__node--ai {
  right: 4%;
  bottom: 19%;
}

.knowledge-map__routes {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.knowledge-map__routes path {
  fill: none;
  stroke: rgba(120, 156, 210, 0.22);
  stroke-dasharray: 3 8;
  stroke-width: 1;
}

.scroll-cue {
  position: absolute;
  z-index: 3;
  bottom: 1.5rem;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 5rem;
  min-height: 3.5rem;
  color: var(--color-muted);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  transform: translateX(-50%);
}

.scroll-cue__line {
  width: 1px;
  height: 1.75rem;
  margin-top: 0.45rem;
  overflow: hidden;
  background: var(--color-border);
}

.scroll-cue__line::after {
  content: "";
  display: block;
  width: 100%;
  height: 50%;
  background: var(--color-accent);
  animation: scroll-line 2.2s ease-in-out infinite;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(13rem, 0.58fr) 1fr;
  align-items: end;
  column-gap: 3rem;
  margin-bottom: 4rem;
}

.section-kicker {
  grid-column: 1 / -1;
  margin-bottom: 0.75rem;
}

.section-heading h2,
.contact-section h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.12;
}

.section-heading > p:last-child {
  max-width: 34rem;
  margin-bottom: 0.15rem;
  color: var(--color-muted);
}

.identity-path {
  counter-reset: path;
}

.identity-path__item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(13rem, 0.58fr) 1fr;
  column-gap: 3rem;
  min-height: 12rem;
}

.identity-path__item:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 3rem;
  bottom: 0;
  left: calc((13rem - 1px) / 2);
  width: 1px;
  background: linear-gradient(var(--color-border-strong), var(--color-border));
}

.identity-path__marker {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: center;
  padding-top: 0.3rem;
}

.identity-path__marker span {
  display: grid;
  width: 2.65rem;
  height: 2.65rem;
  place-items: center;
  border: 1px solid var(--color-border-strong);
  border-radius: 50%;
  background: var(--color-bg);
  color: var(--color-accent);
  font-size: 0.7rem;
  font-weight: 650;
}

.identity-path article {
  padding-bottom: 3.5rem;
  border-bottom: 1px solid var(--color-border);
}

.identity-path__meta {
  margin-bottom: 0.4rem;
}

.identity-path h3 {
  margin-bottom: 0.7rem;
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  font-weight: 650;
}

.identity-path article > p:last-child {
  max-width: 42rem;
  margin-bottom: 0;
  color: var(--color-muted);
}

.capability-line {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
  padding-left: calc(13rem + 3rem);
}

.capability-line span {
  padding: 0.6rem 0.85rem;
  border-left: 1px solid var(--color-accent);
  background: linear-gradient(90deg, rgba(121, 199, 255, 0.08), transparent);
  color: var(--color-muted);
  font-size: 0.82rem;
}

.focus-section::before {
  content: "";
  position: absolute;
  inset: 8% 0;
  background-image:
    linear-gradient(rgba(120, 156, 210, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 156, 210, 0.03) 1px, transparent 1px);
  background-size: 4rem 4rem;
  mask-image: linear-gradient(transparent, black 18%, black 82%, transparent);
  pointer-events: none;
}

.focus-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.focus-card {
  position: relative;
  display: grid;
  min-height: 17rem;
  grid-template-rows: auto 1fr;
  padding: 1.5rem;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--color-surface), rgba(10, 22, 46, 0.52));
  transition: transform 220ms var(--ease), border-color 220ms ease, background 220ms ease;
}

.focus-card--wide {
  min-height: 14rem;
}

.focus-card:hover {
  border-color: var(--color-border-strong);
  background: linear-gradient(145deg, var(--color-surface-hover), rgba(10, 22, 46, 0.66));
  transform: translateY(-3px);
}

.focus-card__index {
  color: rgba(154, 169, 194, 0.6);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
}

.focus-card > div:nth-child(2) {
  align-self: end;
  max-width: 31rem;
}

.focus-card h3 {
  margin-bottom: 0.65rem;
  font-size: 1.3rem;
}

.focus-card p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.focus-card__signal {
  position: absolute;
  top: 1.55rem;
  right: 1.55rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 1rem rgba(121, 199, 255, 0.52);
}

.focus-card__signal::after {
  content: "";
  position: absolute;
  inset: -0.45rem;
  border: 1px solid rgba(121, 199, 255, 0.22);
  border-radius: 50%;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.project-card {
  position: relative;
  display: flex;
  min-height: 27rem;
  flex-direction: column;
  justify-content: space-between;
  padding: 2rem;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: linear-gradient(155deg, var(--color-surface), rgba(7, 15, 34, 0.54));
  transition: transform 240ms var(--ease), border-color 240ms ease, background 240ms ease;
}

.project-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 2rem;
  width: 5rem;
  height: 1px;
  background: var(--card-accent);
  box-shadow: 0 0 1rem var(--card-accent);
}

.project-card::after {
  content: "";
  position: absolute;
  width: 16rem;
  height: 16rem;
  right: -8rem;
  bottom: -8rem;
  border: 1px solid color-mix(in srgb, var(--card-accent) 18%, transparent);
  border-radius: 50%;
  box-shadow: 0 0 0 3rem color-mix(in srgb, var(--card-accent) 3%, transparent);
}

.project-card--cyan {
  --card-accent: var(--color-accent);
}

.project-card--blue {
  --card-accent: var(--color-accent-blue);
}

.project-card:hover {
  border-color: color-mix(in srgb, var(--card-accent) 46%, transparent);
  background: linear-gradient(155deg, var(--color-surface-hover), rgba(7, 15, 34, 0.66));
  transform: translateY(-4px);
}

.project-card__topline {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--color-muted);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
}

.project-card__state {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.project-card__state i {
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: var(--card-accent);
}

.project-card__type {
  margin-bottom: 0.65rem;
  color: var(--card-accent);
}

.project-card h3 {
  max-width: 29rem;
  margin-bottom: 1rem;
  font-size: clamp(1.35rem, 2.2vw, 1.8rem);
  line-height: 1.3;
}

.project-card h3 span {
  color: var(--color-muted);
  font-size: 0.72em;
  font-weight: 500;
}

.project-card div > p:last-child {
  max-width: 31rem;
  margin-bottom: 0;
  color: var(--color-muted);
}

.project-card__tags {
  position: relative;
  z-index: 1;
  margin-top: 2rem;
}

.project-card__tags li {
  padding: 0.35rem 0.7rem;
  font-size: 0.68rem;
}

.contact-section {
  display: grid;
  min-height: 78svh;
  align-items: center;
  padding-block: 7rem;
  text-align: center;
}

.contact-section::before {
  content: "";
  position: absolute;
  inset: 12% 10%;
  background: radial-gradient(circle, rgba(113, 135, 255, 0.08), transparent 58%);
  pointer-events: none;
}

.contact-section__inner {
  position: relative;
}

.contact-section .section-kicker {
  margin-bottom: 1.5rem;
}

.contact-section h2 {
  max-width: 50rem;
  margin-inline: auto;
  font-size: clamp(2.3rem, 5vw, 4.2rem);
  line-height: 1.2;
}

.contact-section h2::first-line {
  color: var(--color-text);
}

.contact-section__inner > p:nth-of-type(2) {
  max-width: 38rem;
  margin: 1.5rem auto 0;
  color: var(--color-muted);
  font-size: 1.05rem;
}

.contact-section__route {
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(24rem, 80%);
  margin: 3rem auto 0;
}

.contact-section__route span {
  width: 0.45rem;
  height: 0.45rem;
  border: 1px solid var(--color-accent);
  border-radius: 50%;
}

.contact-section__route span:nth-of-type(2) {
  background: var(--color-accent);
  box-shadow: 0 0 1rem rgba(121, 199, 255, 0.52);
}

.contact-section__route i {
  width: 30%;
  height: 1px;
  background: linear-gradient(90deg, var(--color-border), rgba(121, 199, 255, 0.4), var(--color-border));
}

.site-footer {
  border-top: 1px solid var(--color-border);
}

.site-footer__inner {
  display: flex;
  min-height: 6rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: rgba(154, 169, 194, 0.74);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.js .reveal {
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity 520ms var(--ease), transform 520ms var(--ease);
}

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

.error-page {
  min-height: 100svh;
}

.error-main {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: calc(100svh - 6rem);
  place-items: center;
  padding: 3rem 0;
}

.error-card {
  position: relative;
  width: min(calc(100% - 3rem), 44rem);
  padding: clamp(2rem, 6vw, 4rem);
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
}

.error-code {
  margin-bottom: 0;
  background: linear-gradient(105deg, var(--color-accent), var(--color-accent-blue));
  background-clip: text;
  color: transparent;
  font-size: clamp(4.5rem, 15vw, 8rem);
  font-weight: 760;
  letter-spacing: -0.06em;
  line-height: 1;
}

.error-card h1 {
  margin: 1rem 0 0.75rem;
  font-size: clamp(1.7rem, 4vw, 2.5rem);
}

.error-card > p:not(.error-code):not(.section-kicker) {
  max-width: 34rem;
  color: var(--color-muted);
}

.home-link {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  margin-top: 1rem;
  padding: 0.6rem 1rem;
  border: 1px solid rgba(121, 199, 255, 0.44);
  border-radius: 99rem;
  color: var(--color-text);
  transition: background 200ms ease, border-color 200ms ease;
}

.home-link:hover {
  border-color: var(--color-accent);
  background: rgba(121, 199, 255, 0.09);
}

@keyframes orbit-breathe {
  from { transform: rotate(-18deg) scale(0.98); }
  to { transform: rotate(-15deg) scale(1.02); }
}

@keyframes pulse {
  0% { opacity: 0; transform: scale(0.82); }
  35% { opacity: 1; }
  100% { opacity: 0; transform: scale(1.35); }
}

@keyframes scroll-line {
  0% { transform: translateY(-120%); }
  55%, 100% { transform: translateY(220%); }
}

@media (min-width: 1100px) {
  html {
    scroll-padding-top: 0;
    scroll-snap-type: y mandatory;
  }

  .section {
    min-height: 100svh;
    scroll-margin-top: 0;
    scroll-snap-align: start;
    scroll-snap-stop: always;
  }

  .content-section {
    display: grid;
    align-items: center;
    padding-block: 4rem;
  }

  .section-heading {
    margin-bottom: 2.5rem;
  }

  .identity-path__item {
    min-height: 9.25rem;
  }

  .identity-path article {
    padding-bottom: 2.25rem;
  }

  .focus-card {
    min-height: 15rem;
  }

  .focus-card--wide {
    min-height: 13rem;
  }

  .contact-section {
    min-height: calc(100svh - 6rem);
  }
}

@media (max-width: 1099px) {
  html {
    scroll-padding-top: calc(var(--header-height) + 1rem);
  }

  .side-nav {
    display: none;
  }

  .mobile-header {
    position: fixed;
    z-index: 20;
    top: 0;
    left: 0;
    display: flex;
    width: 100%;
    min-height: var(--header-height);
    align-items: center;
    justify-content: space-between;
    padding-inline: 1.5rem;
    border-bottom: 1px solid rgba(120, 156, 210, 0.12);
    background: rgba(4, 9, 20, 0.78);
    backdrop-filter: blur(14px);
  }

  .mobile-brand {
    display: inline-flex;
    min-width: 2.75rem;
    min-height: 2.75rem;
    align-items: center;
    color: var(--color-text);
    font-weight: 700;
  }

  .mobile-nav {
    display: flex;
    gap: 0.2rem;
  }

  .mobile-nav a {
    display: inline-flex;
    min-width: 3rem;
    min-height: 2.75rem;
    align-items: center;
    justify-content: center;
    color: var(--color-muted);
    font-size: 0.78rem;
    transition: color 180ms ease;
  }

  .mobile-nav a:hover,
  .mobile-nav a.is-active {
    color: var(--color-text);
  }

  .hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(19rem, 0.7fr);
    gap: 2rem;
    padding-top: calc(var(--header-height) + 4rem);
  }

  .knowledge-map {
    width: min(40vw, 27rem);
  }
}

@media (max-width: 768px) {
  .container {
    width: min(calc(100% - 2rem), var(--container));
  }

  .content-section {
    padding-block: 5rem;
  }

  .hero {
    min-height: 100svh;
    align-items: start;
  }

  .hero__grid {
    min-height: 100svh;
    grid-template-columns: 1fr;
    align-content: center;
    gap: 2.5rem;
    padding-block: calc(var(--header-height) + 3rem) 6.5rem;
  }

  .hero__content {
    max-width: 36rem;
  }

  .knowledge-map {
    position: absolute;
    right: -5rem;
    bottom: 4rem;
    width: 19rem;
    opacity: 0.32;
  }

  .knowledge-map__node {
    display: none;
  }

  .hero h1 {
    font-size: clamp(2.5rem, 14vw, 3.5rem);
  }

  .hero__intro {
    max-width: 30rem;
  }

  .scroll-cue {
    left: 1rem;
    align-items: flex-start;
    transform: none;
  }

  .scroll-cue__line {
    margin-left: 1.1rem;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 3rem;
  }

  .section-heading h2 {
    margin-bottom: 0.25rem;
  }

  .identity-path__item {
    grid-template-columns: 3.25rem 1fr;
    column-gap: 1rem;
    min-height: 0;
  }

  .identity-path__item:not(:last-child)::after {
    top: 2.7rem;
    left: 1.325rem;
  }

  .identity-path__marker {
    justify-content: flex-start;
  }

  .identity-path article {
    padding-bottom: 2.5rem;
  }

  .capability-line {
    padding-left: 4.25rem;
  }

  .focus-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .focus-card,
  .focus-card--wide {
    min-height: 14rem;
  }

  .project-card {
    min-height: 24rem;
  }

  .contact-section {
    min-height: auto;
    padding-block: 7rem;
  }

  .contact-section h2 {
    font-size: clamp(2.2rem, 10vw, 3.3rem);
  }
}

@media (max-width: 480px) {
  .mobile-header {
    padding-inline: 1rem;
  }

  .mobile-nav a {
    min-width: 2.8rem;
  }

  .hero h1 {
    gap: 0.8rem;
    font-size: 2.8rem;
  }

  .hero h1 small {
    margin-bottom: 0.3rem;
    font-size: 0.68rem;
    letter-spacing: 0.22em;
  }

  .hero__role {
    font-size: 1.08rem;
  }

  .tag-list {
    gap: 0.45rem;
  }

  .tag-list li {
    padding-inline: 0.7rem;
  }

  .identity-path__meta {
    letter-spacing: 0.1em;
  }

  .capability-line {
    padding-left: 0;
  }

  .focus-card,
  .project-card {
    padding: 1.35rem;
  }

  .project-card__topline {
    flex-direction: column;
    gap: 0.35rem;
  }

  .project-card h3 span {
    display: block;
    margin-top: 0.25rem;
  }

  .site-footer__inner {
    min-height: 7rem;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 0.2rem;
  }
}

@media (hover: none) {
  .pointer-glow {
    display: none;
  }

  .focus-card:hover,
  .project-card:hover {
    transform: none;
  }
}

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

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

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

  .focus-card:hover,
  .project-card:hover {
    transform: none;
  }
}