:root {
  --paper: #f4f0e8;
  --paper-bright: #fbf8f2;
  --ink: #14262b;
  --ink-soft: #244c57;
  --muted: #687578;
  --line: rgba(20, 38, 43, 0.18);
  --aqua: #69c8bd;
  --aqua-soft: #b9e2da;
  --coral: #e9795f;
  --coral-soft: #efb09e;
  --yellow: #efc75e;
  --serif: "Iowan Old Style", "Songti SC", "Noto Serif CJK SC", "STSong",
    Georgia, serif;
  --sans: "Avenir Next", "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei",
    system-ui, sans-serif;
  --mono: "SFMono-Regular", "Cascadia Code", "Roboto Mono", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 5% 1%, rgba(105, 200, 189, 0.17), transparent 23rem),
    radial-gradient(circle at 94% 8%, rgba(239, 176, 158, 0.12), transparent 22rem),
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  -webkit-font-smoothing: antialiased;
}

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

::selection {
  background: var(--yellow);
  color: var(--ink);
}

.shell {
  width: min(1180px, calc(100% - 3rem));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  border: 1px solid var(--ink);
  background: var(--paper-bright);
  font-weight: 750;
  transform: translateY(-160%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(244, 240, 232, 0.88);
  backdrop-filter: blur(16px);
}

.site-header::after {
  position: absolute;
  right: 0;
  bottom: -1px;
  left: 0;
  height: 1px;
  content: "";
  background: linear-gradient(
    90deg,
    transparent 5%,
    var(--aqua) 34%,
    var(--coral-soft) 67%,
    transparent 95%
  );
}

.header-inner {
  display: flex;
  min-height: 74px;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 5px rgba(233, 121, 95, 0.14);
  flex: 0 0 auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.site-nav a {
  position: relative;
  display: grid;
  gap: 0.08rem;
  padding-block: 0.3rem;
  line-height: 1;
}

.site-nav small {
  color: rgba(36, 76, 87, 0.6);
  font-family: var(--mono);
  font-size: 0.48rem;
  letter-spacing: 0.12em;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  content: "";
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.hero {
  display: grid;
  min-height: calc(100svh - 74px);
  padding-block: clamp(2.5rem, 6vw, 5rem);
  grid-template-columns: minmax(0, 0.96fr) minmax(0, 1.04fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 7rem);
}

.hero-art {
  position: relative;
  min-height: 600px;
  border: 1px solid var(--ink);
  background:
    linear-gradient(rgba(105, 200, 189, 0.22), rgba(105, 200, 189, 0.22)),
    var(--paper-bright);
  box-shadow: 16px 16px 0 var(--ink);
  overflow: hidden;
}

.hero-art::before {
  position: absolute;
  width: 250px;
  height: 250px;
  right: -120px;
  top: -120px;
  border: 1px solid rgba(20, 38, 43, 0.55);
  border-radius: 50%;
  content: "";
}

.hero-art::after {
  position: absolute;
  width: 12px;
  height: 12px;
  left: 32px;
  bottom: 35px;
  border-radius: 50%;
  content: "";
  background: var(--coral);
  box-shadow: 0 0 0 9px rgba(233, 121, 95, 0.16);
}

.art-meta {
  position: absolute;
  z-index: 2;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  justify-content: space-between;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid rgba(20, 38, 43, 0.35);
  background: rgba(251, 248, 242, 0.36);
  font-family: var(--mono);
  font-size: 0.51rem;
  font-weight: 700;
  letter-spacing: 0.11em;
}

.graph {
  position: absolute;
  inset: 58px 0 75px;
  width: 100%;
  height: calc(100% - 133px);
}

.graph-lines path {
  stroke: var(--ink-soft);
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.graph-node circle,
.graph-node rect {
  fill: var(--paper-bright);
  stroke: var(--ink);
  stroke-width: 2;
}

.graph-node--mint rect {
  fill: var(--aqua);
}

.graph-node--coral rect {
  fill: var(--coral-soft);
}

.graph-node--output rect {
  fill: var(--ink);
}

.graph-node text {
  fill: var(--ink);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 800;
  text-anchor: middle;
}

.graph-node--small text {
  font-size: 10px;
}

.graph-node--output text {
  fill: var(--paper-bright);
}

.graph-node .graph-sub {
  fill: var(--aqua);
  font-size: 8px;
  font-weight: 650;
  letter-spacing: 0.12em;
}

.terminal {
  position: absolute;
  right: 18px;
  bottom: 18px;
  display: grid;
  width: min(310px, calc(100% - 70px));
  padding: 0.8rem 1rem;
  border: 1px solid var(--ink);
  background: var(--paper-bright);
  font-family: var(--mono);
  font-size: 0.58rem;
  font-weight: 650;
  line-height: 1.8;
  box-shadow: 6px 6px 0 rgba(20, 38, 43, 0.2);
}

.cursor {
  color: var(--coral);
  animation: blink 1.1s step-end infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.eyebrow {
  display: flex;
  margin: 0 0 1.15rem;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.67rem;
  font-weight: 750;
  letter-spacing: 0.12em;
}

.hero-copy h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(4rem, 7vw, 7.6rem);
  font-weight: 500;
  letter-spacing: -0.075em;
  line-height: 0.82;
}

.hero-copy h1 span,
.hero-copy h1 em {
  display: block;
}

.hero-copy h1 em {
  max-width: 620px;
  margin-top: 0.48em;
  color: var(--coral);
  font-family: var(--sans);
  font-size: 0.35em;
  font-style: normal;
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.hero-intro {
  display: grid;
  max-width: 640px;
  margin-top: 2.2rem;
  gap: 0.9rem;
  color: #42575c;
  font-family: var(--serif);
  font-size: 1.04rem;
  line-height: 1.9;
}

.hero-intro p {
  margin: 0;
}

.hero-intro p[lang="en"] {
  color: rgba(36, 76, 87, 0.68);
  font-family: var(--mono);
  font-size: 0.6rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  line-height: 1.7;
  text-transform: uppercase;
}

.hero-actions {
  display: flex;
  margin-top: 2rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  gap: 2.25rem;
  padding: 0.8rem 1.1rem;
  border: 1px solid var(--ink);
  font-size: 0.78rem;
  font-weight: 750;
  transition:
    background 160ms ease,
    color 160ms ease,
    transform 160ms ease,
    box-shadow 160ms ease;
}

.button span {
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.08em;
}

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

.button:hover {
  transform: translateY(-2px);
  box-shadow: 4px 4px 0 var(--aqua);
}

.button-quiet:hover {
  background: var(--paper-bright);
}

.system-line {
  margin: 1.6rem 0 0;
  color: var(--coral);
  font-family: var(--mono);
  font-size: 0.52rem;
  font-weight: 750;
  letter-spacing: 0.12em;
}

.ticker {
  overflow: hidden;
  border-block: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper-bright);
}

.ticker-track {
  display: flex;
  width: max-content;
  min-width: 100%;
  align-items: center;
  justify-content: space-around;
  gap: 3rem;
  padding: 1rem 2rem;
  font-size: 0.78rem;
  font-weight: 700;
}

.ticker-track span {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  white-space: nowrap;
}

.ticker-track small {
  color: var(--aqua);
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.09em;
}

.ticker-track b {
  color: var(--coral);
}

.section {
  padding-block: clamp(5rem, 10vw, 9rem);
  scroll-margin-top: 72px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 3rem;
  margin-bottom: 2.5rem;
}

.section-heading h2,
.method-heading h2 {
  max-width: 800px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.6rem, 5vw, 4.8rem);
  font-weight: 500;
  letter-spacing: -0.06em;
  line-height: 1.03;
}

.translation {
  margin: 1rem 0 0;
  color: rgba(36, 76, 87, 0.65);
  font-family: var(--mono);
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  line-height: 1.7;
}

.section-index {
  flex: 0 0 auto;
  padding-bottom: 0.25rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.56rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.project-card {
  position: relative;
  display: flex;
  min-height: 500px;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: rgba(251, 248, 242, 0.44);
  transition:
    background 180ms ease,
    transform 180ms ease;
}

.project-card:hover {
  z-index: 2;
  background: var(--paper-bright);
  transform: translate(-3px, -3px);
  box-shadow: 7px 7px 0 var(--aqua);
}

.project-card--lead {
  background:
    linear-gradient(rgba(185, 226, 218, 0.76), rgba(185, 226, 218, 0.76)),
    var(--paper-bright);
}

.project-card--dark {
  background: var(--ink);
  color: var(--paper-bright);
}

.project-card--dark:hover {
  background: var(--ink-soft);
}

.project-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  font-family: var(--mono);
  font-size: 0.55rem;
  font-weight: 750;
  letter-spacing: 0.1em;
}

.live {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.live i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 4px rgba(233, 121, 95, 0.16);
}

.project-kicker {
  margin: 0 0 0.6rem;
  color: var(--coral);
  font-family: var(--mono);
  font-size: 0.64rem;
  font-weight: 750;
  letter-spacing: 0.09em;
}

.project-card h3 {
  max-width: 490px;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.65rem);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1.08;
}

.project-card--dark .translation {
  color: var(--aqua);
}

.project-copy {
  max-width: 520px;
  margin: 0;
  color: #42575c;
  font-family: var(--serif);
  font-size: 0.98rem;
  line-height: 1.85;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.tag-row span {
  padding: 0.45rem 0.55rem;
  border: 1px solid rgba(20, 38, 43, 0.32);
  font-family: var(--mono);
  font-size: 0.48rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.project-link {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid currentColor;
  font-size: 0.78rem;
  font-weight: 750;
}

.project-link span {
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.09em;
}

.mini-terminal {
  display: grid;
  padding: 1rem;
  border: 1px solid rgba(185, 226, 218, 0.62);
  color: var(--aqua-soft);
  font-family: var(--mono);
  font-size: 0.58rem;
  line-height: 1.85;
}

.all-projects {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 1.5rem;
  border: 1px solid var(--ink);
  border-top: 0;
  background: var(--paper-bright);
  font-size: 0.85rem;
  transition:
    background 160ms ease,
    color 160ms ease;
}

.all-projects strong {
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.09em;
}

.all-projects:hover {
  background: var(--coral);
  color: var(--paper-bright);
}

.method {
  padding-block: clamp(5rem, 10vw, 9rem);
  border-block: 1px solid var(--ink);
  background:
    linear-gradient(90deg, rgba(185, 226, 218, 0.5), transparent 45%),
    var(--paper-bright);
  scroll-margin-top: 72px;
}

.method-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  align-items: end;
  gap: clamp(3rem, 8vw, 8rem);
}

.method-heading > p {
  margin: 0 0 0.35rem;
  color: #42575c;
  font-family: var(--serif);
  line-height: 1.9;
}

.method-grid {
  display: grid;
  margin-top: 4rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}

.method-grid article {
  min-height: 290px;
  padding: 1.7rem;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.method-grid article > span {
  color: var(--coral);
  font-family: var(--mono);
  font-size: 0.54rem;
  font-weight: 750;
  letter-spacing: 0.1em;
}

.method-grid h3 {
  margin: 3rem 0 1rem;
  font-family: var(--serif);
  font-size: 1.8rem;
  font-weight: 500;
}

.method-grid p {
  margin: 0;
  color: #42575c;
  font-family: var(--serif);
  line-height: 1.8;
}

.method-bridge {
  margin: 2.5rem 0 0;
  text-align: center;
  font-family: var(--serif);
}

.method-bridge span {
  color: var(--coral);
  font-family: var(--mono);
  font-size: 0.6rem;
}

.method-bridge i {
  margin-inline: 0.7rem;
  color: var(--aqua);
  font-style: normal;
}

.signal-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, 0.8fr);
  gap: clamp(3rem, 8vw, 8rem);
}

.signal-copy > p {
  max-width: 670px;
  margin: 0;
  color: #42575c;
  font-family: var(--serif);
  font-size: 1.07rem;
  line-height: 1.95;
}

.signal-links {
  display: grid;
  margin-top: 2rem;
  border-top: 1px solid var(--ink);
}

.signal-links a {
  display: flex;
  justify-content: space-between;
  padding: 1rem 0.15rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.66rem;
  font-weight: 700;
  transition: padding 160ms ease;
}

.signal-links a:hover {
  padding-inline: 0.65rem;
}

.signal-console {
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper-bright);
  box-shadow: 12px 12px 0 var(--aqua);
}

.console-head {
  display: flex;
  justify-content: space-between;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid rgba(185, 226, 218, 0.4);
  color: var(--aqua);
  font-family: var(--mono);
  font-size: 0.52rem;
  font-weight: 750;
  letter-spacing: 0.11em;
}

.signal-console ol {
  display: grid;
  margin: 0;
  padding: 1rem;
  list-style: none;
  gap: 0.5rem;
}

.signal-console li {
  display: grid;
  padding: 1rem;
  border: 1px solid rgba(251, 248, 242, 0.18);
  grid-template-columns: 3rem 1fr;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.59rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.signal-console li span {
  color: var(--coral);
}

.signal-console > p {
  margin: 0;
  padding: 0.9rem 1rem;
  border-top: 1px solid rgba(185, 226, 218, 0.4);
  color: var(--aqua-soft);
  font-family: var(--mono);
  font-size: 0.56rem;
}

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

.footer-inner {
  display: grid;
  padding-block: 4rem;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.footer-inner p {
  max-width: 470px;
  margin: 0.5rem 0 0;
  color: var(--aqua-soft);
  font-family: var(--serif);
}

.footer-inner .footer-title {
  margin: 0;
  color: var(--paper-bright);
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.5rem);
}

.footer-inner nav {
  display: grid;
  align-content: start;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.footer-inner nav a {
  padding: 1rem;
  border: 1px solid rgba(251, 248, 242, 0.25);
  font-family: var(--mono);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition:
    background 160ms ease,
    color 160ms ease;
}

.footer-inner nav a:hover {
  background: var(--aqua);
  color: var(--ink);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 1rem;
  border-top: 1px solid rgba(251, 248, 242, 0.18);
  color: rgba(251, 248, 242, 0.54);
  font-family: var(--mono);
  font-size: 0.45rem;
  letter-spacing: 0.09em;
}

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

@media (max-width: 900px) {
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .hero-art {
    min-height: 540px;
  }

  .hero-copy {
    padding-block: 1rem 2rem;
  }

  .method-heading,
  .signal-grid {
    grid-template-columns: 1fr;
  }

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

  .project-card {
    min-height: 450px;
  }

  .method-grid article {
    min-height: 240px;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 1.5rem, 1180px);
  }

  .site-nav {
    gap: 0.8rem;
  }

  .site-nav a {
    font-size: 0.7rem;
  }

  .site-nav small {
    display: none;
  }

  .wordmark {
    font-size: 0.7rem;
  }

  .hero {
    gap: 2.8rem;
  }

  .hero-art {
    min-height: 430px;
    box-shadow: 8px 8px 0 var(--ink);
  }

  .art-meta {
    padding: 0.8rem;
    font-size: 0.42rem;
  }

  .graph {
    inset: 50px -55px 55px;
    width: calc(100% + 110px);
    height: calc(100% - 105px);
  }

  .terminal {
    right: 10px;
    bottom: 10px;
    width: calc(100% - 58px);
  }

  .hero-copy h1 {
    font-size: clamp(3.6rem, 21vw, 5.2rem);
  }

  .hero-copy h1 em {
    font-size: 0.31em;
  }

  .ticker-track {
    justify-content: flex-start;
  }

  .section-heading {
    display: grid;
    gap: 1rem;
  }

  .project-card {
    min-height: 480px;
  }

  .all-projects,
  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .method-heading h2 br {
    display: none;
  }

  .method-bridge {
    display: grid;
    gap: 0.35rem;
    text-align: left;
  }

  .method-bridge i {
    display: none;
  }

  .signal-grid {
    gap: 2.5rem;
  }

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

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

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

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