:root {
  --bg: #07100f;
  --paper: #101716;
  --ink: #eff8f1;
  --muted: #aab8af;
  --faint: #7d8d84;
  --line: #24352f;
  --accent: #39e6a3;
  --accent-2: #f2b84b;
  --night: #040807;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.34);
  --radius: 8px;
  --font: Inter, "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --serif: "Noto Serif SC", "SimSun", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 76% 18%, rgba(57, 230, 163, 0.15), transparent 28%),
    radial-gradient(circle at 12% 36%, rgba(242, 184, 75, 0.08), transparent 24%),
    linear-gradient(rgba(57, 230, 163, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(57, 230, 163, 0.055) 1px, transparent 1px),
    var(--bg);
  background-size: auto, auto, 48px 48px, 48px 48px, auto;
  color: var(--ink);
  font-family: var(--font);
  letter-spacing: 0;
}

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

.progress {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  height: 4px;
  width: 0;
  background: var(--accent);
  box-shadow: 0 0 16px rgba(57, 230, 163, 0.55);
}

.topbar {
  position: sticky;
  z-index: 9;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 clamp(18px, 5vw, 64px);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 16, 15, 0.88);
  backdrop-filter: blur(16px);
}

.brand {
  font-weight: 900;
  letter-spacing: 0;
}

.nav {
  display: flex;
  gap: clamp(14px, 3vw, 34px);
  color: var(--muted);
  font-weight: 700;
  font-size: 14px;
}

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

.section {
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(50px, 8vw, 96px) clamp(18px, 5vw, 44px);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 380px);
  gap: clamp(28px, 6vw, 80px);
  align-items: center;
  min-height: calc(94vh - 72px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 15ch;
  margin-bottom: 26px;
  font-size: 68px;
  line-height: 1;
  font-weight: 900;
}

h2 {
  margin-bottom: 14px;
  font-size: 48px;
  line-height: 1;
  font-weight: 900;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.25;
}

p {
  color: var(--muted);
  line-height: 1.75;
}

.hero__intro {
  max-width: 650px;
  font-size: 20px;
}

.hero__name {
  margin-bottom: 16px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 900;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent);
  color: #03100c;
  font-weight: 900;
  transition: transform 0.18s ease, background 0.18s ease, color 0.18s ease;
}

.button:hover {
  transform: translateY(-2px);
  background: #8cffd1;
  border-color: #8cffd1;
}

.button--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--line);
}

.button--ghost:hover {
  color: #03100c;
}

.hero__metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  max-width: 560px;
  margin-top: 34px;
}

.hero__metrics div {
  border-top: 3px solid var(--accent);
  padding-top: 12px;
}

.hero__metrics strong {
  display: block;
  font-size: 40px;
  line-height: 1;
  font-weight: 900;
}

.hero__metrics span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.hero__panel,
.project-card,
.list-card,
.research-card,
.status-card,
.capability-card,
.honor-list,
.publication-item,
.build-grid article,
.check-grid article,
.method-item,
.method-doc,
.timeline li {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 23, 22, 0.92);
  box-shadow: var(--shadow);
}

.hero__panel {
  padding: 24px;
}

.portrait {
  display: grid;
  place-items: center;
  aspect-ratio: 3 / 4;
  margin-bottom: 22px;
  background:
    linear-gradient(135deg, rgba(57, 230, 163, 0.24), transparent),
    linear-gradient(145deg, #06120f, #0b3c31);
  border-radius: calc(var(--radius) - 2px);
  color: #f8fff8;
  font-size: 84px;
  font-weight: 900;
  overflow: hidden;
}

.portrait img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.facts {
  display: grid;
  gap: 16px;
  margin: 0;
}

.facts div {
  display: grid;
  gap: 4px;
}

.facts dt {
  color: var(--faint);
  font-size: 12px;
  font-weight: 900;
}

.facts dd {
  margin: 0;
  color: var(--ink);
  font-weight: 700;
  line-height: 1.5;
}

.section__head {
  max-width: 760px;
  margin-bottom: 30px;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.project-card {
  display: grid;
  min-width: 0;
  overflow: hidden;
}

.project-card--wide {
  grid-column: 1 / -1;
  grid-template-columns: minmax(320px, 0.42fr) 1fr;
}

.project-card__visual,
.project-card__media {
  display: grid;
  place-items: center;
  min-height: 260px;
  background: linear-gradient(145deg, #050908, #0c3e34);
  color: #f8fff8;
  font-size: 88px;
  font-weight: 900;
  margin: 0;
}

.project-card__media {
  align-items: stretch;
  min-height: 220px;
  aspect-ratio: 16 / 10;
  background: var(--night);
  min-width: 0;
}

.project-card__media img {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: cover;
  object-position: top center;
  display: block;
  opacity: 0.88;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.project-card__media:hover img {
  transform: scale(1.03);
  opacity: 1;
}

.project-card__body {
  padding: clamp(22px, 4vw, 34px);
  min-width: 0;
}

.project-card__contribution {
  margin-top: -2px;
  padding-left: 14px;
  border-left: 3px solid var(--accent);
  color: var(--ink);
  font-weight: 700;
}

.project-card__body > p {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
}

.project-card__body > p:not(.project-card__contribution) {
  -webkit-line-clamp: 4;
}

.project-card__contribution {
  -webkit-line-clamp: 3;
}

.tag {
  display: inline-flex;
  margin-bottom: 16px;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
}

.status {
  display: inline-flex;
  margin: 0 0 16px 8px;
  padding: 6px 9px;
  background: rgba(242, 184, 75, 0.12);
  border-radius: 999px;
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 900;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.chips li {
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.project-links a {
  border-bottom: 2px solid var(--accent);
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
}

.project-links a:hover {
  color: var(--accent);
}

.project-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.project-highlights li {
  padding: 8px 10px;
  border: 1px solid rgba(57, 230, 163, 0.28);
  border-radius: var(--radius);
  background: rgba(57, 230, 163, 0.07);
  color: var(--ink);
  font-size: 12px;
  font-weight: 900;
}

.evidence-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
}

.evidence-link {
  display: grid;
  gap: 8px;
  min-height: 150px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 23, 22, 0.92);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.evidence-link:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
}

.evidence-link span {
  color: var(--accent);
  font-size: 28px;
  font-weight: 900;
  line-height: 1;
}

.evidence-link strong {
  font-size: 17px;
  line-height: 1.35;
}

.evidence-link em {
  color: var(--muted);
  font-size: 13px;
  font-style: normal;
  font-weight: 700;
  line-height: 1.6;
}

.list-stack {
  display: grid;
  gap: 14px;
}

.list-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: start;
  padding: 24px 28px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.list-card:hover {
  transform: translateX(4px);
  border-color: var(--accent);
}

.list-card__image {
  display: block;
  width: 100%;
  max-height: 230px;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  object-fit: cover;
  object-position: left top;
  background: var(--night);
}

.list-card__num {
  color: var(--accent);
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
}

.list-card time {
  display: block;
  margin-bottom: 8px;
  color: var(--faint);
  font-size: 12px;
  font-weight: 900;
}

.research-grid,
.build-grid,
.check-grid,
.status-grid,
.resume-grid {
  display: grid;
  gap: 18px;
}

.research-grid,
.build-grid,
.check-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.status-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.resume-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.research-card,
.build-grid article,
.check-grid article,
.status-card,
.capability-card,
.honor-list {
  padding: 24px;
}

.status-card__num {
  display: block;
  margin-bottom: 18px;
  color: var(--accent);
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
}

.status-card ul,
.honor-list ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.65;
}

.check-grid article {
  border-left: 4px solid var(--accent);
}

.check-grid span {
  color: var(--accent);
  font-size: 28px;
  font-weight: 900;
}

.afterword {
  max-width: 980px;
}

.essay {
  max-width: 780px;
}

.essay p {
  font-family: var(--serif);
  font-size: 19px;
  line-height: 1.9;
  color: var(--muted);
}

.essay p:first-child::first-letter {
  color: var(--ink);
  font-size: 3.2em;
  font-weight: 900;
  line-height: 0.9;
  float: left;
  padding-right: 8px;
}

.split {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(24px, 5vw, 60px);
}

.method-list {
  display: grid;
  gap: 14px;
}

.method-item {
  padding: 24px;
}

.method-item span {
  color: var(--accent);
  font-size: 30px;
  font-weight: 900;
}

.timeline {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 22px;
  padding: 24px;
}

.timeline time {
  color: var(--accent);
  font-weight: 900;
}

.method-doc a {
  border-bottom: 2px solid var(--accent);
  font-weight: 900;
}

code {
  padding: 2px 5px;
  border: 1px solid var(--line);
  background: rgba(57, 230, 163, 0.08);
  color: var(--ink);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.92em;
}

.subhead {
  margin-bottom: 16px;
}

.capability-clusters {
  display: grid;
  gap: 14px;
  margin-bottom: 14px;
}

.capability-card h4,
.honor-list h4 {
  margin: 0 0 12px;
  font-size: 17px;
}

.publication-list {
  display: grid;
  gap: 14px;
}

.publication-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 22px;
  padding: 24px 28px;
}

.publication-item__num {
  color: var(--accent);
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
}

.publication-item a {
  display: inline-flex;
  margin-top: 8px;
  border-bottom: 2px solid var(--accent);
  color: var(--ink);
  font-weight: 900;
}

.publication-meta {
  margin-bottom: 0;
  color: var(--faint);
  font-weight: 800;
}

.footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: clamp(38px, 6vw, 72px) clamp(18px, 5vw, 64px);
  border-top: 1px solid var(--line);
  background: #030706;
  color: var(--ink);
}

.footer p,
.footer .eyebrow {
  color: #b7c7c4;
}

.footer h2 {
  max-width: 720px;
  margin: 0;
  font-size: 36px;
}

.footer .button--ghost {
  border-color: rgba(239, 248, 241, 0.42);
  color: var(--ink);
}

.contact-list {
  display: grid;
  gap: 8px;
  margin: 20px 0 0;
  padding-left: 18px;
  color: #d7e4df;
  line-height: 1.65;
}

.detail-page {
  max-width: 1120px;
  margin: 0 auto;
  padding: clamp(28px, 5vw, 58px) clamp(18px, 5vw, 44px) clamp(54px, 8vw, 96px);
}

.back-link {
  display: inline-flex;
  margin-bottom: 32px;
  border-bottom: 2px solid var(--accent);
  color: var(--ink);
  font-weight: 900;
}

.detail-hero {
  max-width: 860px;
  padding-bottom: 34px;
}

.detail-hero h1 {
  max-width: 12ch;
  font-size: 76px;
}

.detail-hero p:last-child {
  max-width: 720px;
  font-size: 20px;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.detail-shot {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.detail-shot--wide {
  grid-column: 1 / -1;
}

.detail-shot img {
  display: block;
  width: 100%;
  max-height: 760px;
  object-fit: contain;
  background: #fff;
}

.detail-shot--screen img {
  aspect-ratio: 16 / 9;
  max-height: none;
  object-fit: cover;
  object-position: top center;
  background: var(--night);
}

.detail-shot figcaption {
  padding: 14px 18px 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.6;
}

.detail-notes {
  max-width: 780px;
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.detail-notes h2 {
  font-size: 40px;
}

.detail-notes a {
  border-bottom: 2px solid var(--accent);
  font-weight: 900;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

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

@media (max-width: 760px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
    padding-block: 14px;
  }

  .nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero,
  .split,
  .project-card--wide,
  .evidence-links,
  .research-grid,
  .build-grid,
  .check-grid,
  .status-grid,
  .resume-grid,
  .detail-grid,
  .timeline li,
  .publication-item,
  .footer {
    grid-template-columns: 1fr;
  }

  h1 {
    max-width: 13ch;
    font-size: 36px;
    line-height: 1.05;
  }

  h2 {
    font-size: 34px;
  }

  .hero__intro,
  .detail-hero p:last-child {
    font-size: 17px;
  }

  .hero__name {
    font-size: 16px;
  }

  .hero {
    min-height: auto;
  }

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

  .project-card__media img {
    min-height: 0;
  }

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

  .footer {
    display: grid;
  }

  .footer h2 {
    font-size: 28px;
  }

  .detail-hero h1 {
    font-size: 44px;
  }

  .detail-notes h2 {
    font-size: 30px;
  }
}

@media (min-width: 761px) and (max-width: 980px) {
  h1 {
    font-size: 58px;
  }

  h2 {
    font-size: 42px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .evidence-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}