:root {
  color-scheme: dark;
  --bg: #020811;
  --bg-deep: #01050b;
  --surface: #061322;
  --surface-strong: #081b2d;
  --text: #f4f8fc;
  --muted: #9cb3ca;
  --electric: #2da8ff;
  --cyan: #58f3ff;
  --line: rgb(45 168 255 / 58%);
  --line-soft: rgb(45 168 255 / 24%);
  --focus: #ffffff;
  --sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --page: 94rem;
  --gutter: clamp(1rem, 4vw, 3.25rem);
  --radius: 0.35rem;
}

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

html {
  min-width: 20rem;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 82% 12%, rgb(45 168 255 / 8%), transparent 24rem),
    radial-gradient(circle at 8% 88%, rgb(88 243 255 / 5%), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.65;
}

a {
  color: var(--electric);
  text-underline-offset: 0.22em;
}

a:hover {
  color: var(--cyan);
}

a:focus-visible,
summary:focus-visible {
  outline: 0.18rem solid var(--focus);
  outline-offset: 0.25rem;
}

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

.skip-link {
  position: fixed;
  z-index: 20;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 0.9rem;
  transform: translateY(-180%);
  border: 1px solid var(--cyan);
  border-radius: var(--radius);
  background: var(--bg-deep);
  color: var(--text);
  font: 700 0.85rem/1 var(--mono);
}

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

.site-frame {
  position: relative;
  display: flex;
  width: min(calc(100% - 1rem), var(--page));
  min-height: calc(100vh - 1rem);
  margin: 0.5rem auto;
  flex-direction: column;
  overflow: clip;
  border: 1px solid var(--electric);
  border-radius: var(--radius);
  background: rgb(2 8 17 / 94%);
  box-shadow: 0 0 2.5rem rgb(45 168 255 / 8%);
}

.site-frame::before,
.site-frame::after {
  position: absolute;
  z-index: 0;
  width: 17rem;
  height: 7rem;
  border-color: var(--line);
  content: "";
  pointer-events: none;
}

.site-frame::before {
  top: 1.5rem;
  right: -2rem;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
  box-shadow: -2rem 2rem 0 -1.96rem var(--electric), -4rem 4rem 0 -3.96rem var(--cyan);
}

.site-frame::after {
  bottom: 1.5rem;
  left: -2rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  box-shadow: 2rem -2rem 0 -1.96rem var(--electric), 4rem -4rem 0 -3.96rem var(--cyan);
}

.masthead,
.page-main,
.site-footer {
  position: relative;
  z-index: 1;
}

.masthead {
  display: flex;
  min-height: 4.8rem;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 0 var(--gutter);
  border-bottom: 1px solid var(--line);
}

.brand {
  color: var(--electric);
  font: 700 clamp(1.15rem, 2.5vw, 1.75rem)/1 var(--mono);
  letter-spacing: 0.22em;
  text-decoration: none;
}

.primary-nav {
  display: flex;
  align-items: stretch;
  align-self: stretch;
}

.primary-nav a {
  display: grid;
  min-width: 8rem;
  padding: 0 1.4rem;
  place-items: center;
  border-left: 1px solid var(--line-soft);
  color: var(--muted);
  font: 600 0.9rem/1 var(--mono);
  text-decoration: none;
}

.primary-nav a:hover,
.primary-nav a:focus-visible {
  background: rgb(45 168 255 / 8%);
  color: var(--cyan);
}

.page-main {
  flex: 1;
}

.home-hero {
  display: grid;
  min-height: 24rem;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 34rem);
  align-items: center;
  gap: clamp(2rem, 6vw, 7rem);
  padding: clamp(3.5rem, 8vw, 7rem) var(--gutter);
  border-bottom: 1px solid var(--line);
}

.home-hero h1,
.project-title {
  max-width: 16ch;
  margin: 0;
  font: 700 clamp(2.7rem, 7vw, 6.6rem)/0.98 var(--mono);
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.home-hero p {
  max-width: 42rem;
  margin: 1.6rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.hero-circuit {
  position: relative;
  min-height: 15rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line-soft);
}

.hero-circuit::before,
.hero-circuit::after {
  position: absolute;
  content: "";
}

.hero-circuit::before {
  top: 50%;
  left: 50%;
  width: 6.5rem;
  height: 6.5rem;
  transform: translate(-50%, -50%);
  border: 1px solid var(--cyan);
  box-shadow: 0 0 1.8rem rgb(88 243 255 / 12%);
}

.hero-circuit::after {
  top: 25%;
  right: 12%;
  bottom: 25%;
  left: 12%;
  border-top: 1px solid var(--electric);
  border-right: 1px solid var(--electric);
  border-bottom: 1px solid var(--line-soft);
  border-left: 1px solid var(--line-soft);
  box-shadow: 2rem 2rem 0 -1.96rem var(--electric), -2rem -2rem 0 -1.96rem var(--cyan);
}

.project-index {
  padding: clamp(2.5rem, 6vw, 5rem) var(--gutter);
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0 0 1.4rem;
  color: var(--cyan);
  font: 700 0.95rem/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-heading::after {
  height: 1px;
  flex: 1;
  background: linear-gradient(90deg, var(--electric), transparent);
  content: "";
}

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

.project-row {
  display: grid;
  grid-template-columns: minmax(9rem, 13rem) minmax(0, 1fr) minmax(10rem, 12rem) minmax(10rem, 12rem);
  align-items: stretch;
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line-soft);
  background: linear-gradient(90deg, rgb(45 168 255 / 4%), transparent 36%);
}

.project-row:hover {
  background: linear-gradient(90deg, rgb(45 168 255 / 10%), rgb(45 168 255 / 2%) 70%);
}

.project-mark {
  display: grid;
  min-height: 9rem;
  padding: 1rem;
  place-items: center;
  border-right: 1px solid var(--line-soft);
}

.project-mark img {
  width: 100%;
  max-height: 6.5rem;
  object-fit: contain;
}

.project-wordmark {
  width: 100%;
  padding: 1.2rem 0.65rem;
  border: 1px dashed var(--line);
  color: var(--cyan);
  font: 700 clamp(0.8rem, 2vw, 1.05rem)/1.35 var(--mono);
  overflow-wrap: anywhere;
  text-align: center;
}

.project-summary {
  padding: 1.4rem clamp(1.1rem, 3vw, 2.25rem);
}

.project-summary h2 {
  margin: 0;
  color: var(--electric);
  font: 700 clamp(1.2rem, 3vw, 1.75rem)/1.25 var(--mono);
  overflow-wrap: anywhere;
}

.project-summary p {
  max-width: 62rem;
  margin: 0.65rem 0 0;
  color: var(--muted);
}

.project-link {
  display: flex;
  min-width: 12rem;
  padding: 1.4rem 2rem;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-left: 1px solid var(--line-soft);
  font: 700 0.9rem/1.35 var(--mono);
  text-align: center;
  text-decoration: none;
}

.project-link:hover,
.project-link:focus-visible {
  background: rgb(45 168 255 / 9%);
}

.project-link--unavailable {
  display: grid;
  min-width: 10rem;
  padding: 1.4rem 1rem;
  place-items: center;
  border-left: 1px solid var(--line-soft);
  color: #6f849a;
  font: 600 0.78rem/1.35 var(--mono);
  text-align: center;
}

.project-topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
  padding: clamp(1.5rem, 4vw, 3rem) var(--gutter) 0;
}

.back-link {
  font: 700 0.9rem/1.4 var(--mono);
}

.language-switcher {
  position: relative;
  z-index: 5;
  width: min(100%, 17rem);
  font: 600 0.9rem/1.3 var(--mono);
}

.language-switcher summary {
  display: flex;
  min-height: 3rem;
  align-items: center;
  gap: 0.7rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--electric);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  list-style: none;
}

.language-switcher summary::-webkit-details-marker {
  display: none;
}

.language-switcher summary::after {
  margin-left: auto;
  color: var(--cyan);
  content: "+";
}

.language-switcher[open] summary::after {
  content: "−";
}

.language-menu {
  position: absolute;
  top: calc(100% + 0.35rem);
  right: 0;
  width: 100%;
  margin: 0;
  padding: 0.35rem;
  border: 1px solid var(--electric);
  border-radius: var(--radius);
  background: #061322;
  box-shadow: 0 1rem 2.5rem rgb(0 0 0 / 45%);
  list-style: none;
}

.language-menu a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.75rem;
  border-radius: 0.2rem;
  color: var(--text);
  text-decoration: none;
}

.language-menu a:hover,
.language-menu a:focus-visible,
.language-menu a[aria-current="page"] {
  background: rgb(45 168 255 / 14%);
  color: var(--cyan);
}

.flag {
  position: relative;
  display: inline-block;
  width: 1.55rem;
  height: 1rem;
  flex: 0 0 1.55rem;
  overflow: hidden;
  border: 1px solid rgb(255 255 255 / 35%);
  border-radius: 0.12rem;
  background: #fff;
  box-shadow: 0 0 0 1px rgb(0 0 0 / 25%);
  font-size: 0;
  line-height: 0;
  vertical-align: middle;
}

.flag::before,
.flag::after {
  position: absolute;
  content: "";
}

.flag--us {
  background: repeating-linear-gradient(to bottom, #b22234 0 0.154rem, #fff 0.154rem 0.308rem);
}

.flag--us::before {
  top: 0;
  left: 0;
  width: 43%;
  height: 54%;
  background-color: #3c3b6e;
  background-image: radial-gradient(circle, #fff 0 0.055rem, transparent 0.06rem);
  background-size: 0.25rem 0.25rem;
}

.flag--de {
  background: linear-gradient(to bottom, #000 0 33.333%, #dd0000 33.333% 66.666%, #ffce00 66.666%);
}

.flag--es {
  background: linear-gradient(to bottom, #aa151b 0 25%, #f1bf00 25% 75%, #aa151b 75%);
}

.flag--fr {
  background: linear-gradient(to right, #0055a4 0 33.333%, #fff 33.333% 66.666%, #ef4135 66.666%);
}

.flag--it {
  background: linear-gradient(to right, #009246 0 33.333%, #fff 33.333% 66.666%, #ce2b37 66.666%);
}

.flag--jp::before {
  inset: 0;
  background: radial-gradient(circle at center, #bc002d 0 0.34rem, transparent 0.35rem);
}

.flag--kr {
  background: radial-gradient(ellipse at center, #cd2e3a 0 0.18rem, #0047a0 0.18rem 0.32rem, transparent 0.33rem), #fff;
}

.flag--pt {
  background: linear-gradient(to right, #046a38 0 38%, #da291c 38%);
}

.flag--pt::before {
  top: 50%;
  left: 38%;
  width: 0.52rem;
  height: 0.52rem;
  transform: translate(-50%, -50%);
  border: 0.1rem solid #ffcd00;
  border-radius: 50%;
}

.flag--cn {
  background: #de2910;
}

.flag--cn::before {
  top: 0.15rem;
  left: 0.2rem;
  width: 0.32rem;
  height: 0.32rem;
  transform: rotate(18deg);
  background: #ffde00;
  clip-path: polygon(50% 0, 61% 35%, 98% 35%, 68% 57%, 79% 94%, 50% 72%, 21% 94%, 32% 57%, 2% 35%, 39% 35%);
}

.project-page {
  padding: clamp(2rem, 5vw, 4.5rem) var(--gutter) clamp(3rem, 7vw, 6rem);
}

.project-hero {
  display: grid;
  grid-template-columns: minmax(16rem, 31rem) minmax(0, 1fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
}

.project-logo-panel {
  display: grid;
  min-height: 16rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  place-items: center;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgb(45 168 255 / 9%), transparent 45%),
    var(--surface);
  box-shadow: inset 0 0 2rem rgb(45 168 255 / 5%);
}

.project-logo-panel img {
  width: 100%;
  max-height: 13rem;
  object-fit: contain;
}

.project-logo-panel .project-wordmark {
  padding: clamp(2rem, 7vw, 4rem) 1rem;
  font-size: clamp(1.4rem, 4vw, 2.6rem);
}

.project-type {
  margin: 0 0 0.9rem;
  color: var(--cyan);
  font: 700 0.82rem/1 var(--mono);
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.project-title {
  max-width: none;
  font-size: clamp(2.2rem, 4vw, 4.5rem);
  overflow-wrap: normal;
}

.project-description {
  max-width: 74rem;
  margin: clamp(3rem, 7vw, 6rem) 0 0;
}

.project-description h2 {
  margin: 0 0 1.2rem;
  color: var(--cyan);
  font: 700 clamp(1.15rem, 2.5vw, 1.55rem)/1.2 var(--mono);
}

.project-description p {
  margin: 0;
  color: var(--text);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.action-link {
  display: inline-flex;
  min-height: 3.4rem;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-width: min(100%, 18rem);
  padding: 0.8rem 1.1rem;
  border: 1px solid var(--electric);
  border-radius: var(--radius);
  font: 700 0.9rem/1.25 var(--mono);
  text-decoration: none;
}

.action-link::after {
  color: var(--cyan);
  content: "→";
}

.action-link:hover,
.action-link:focus-visible {
  background: rgb(45 168 255 / 10%);
}

.project-facts {
  display: grid;
  margin: clamp(2.5rem, 5vw, 4rem) 0 0;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line-soft);
}

.project-facts div {
  padding: 1.1rem 1.25rem;
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line);
}

.project-facts dt {
  color: var(--electric);
  font: 700 0.78rem/1.3 var(--mono);
  text-transform: uppercase;
}

.project-facts dd {
  margin: 0.35rem 0 0;
  color: var(--text);
}

.site-footer {
  margin-top: auto;
  padding: 1.1rem var(--gutter);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 500 0.78rem/1.5 var(--mono);
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: inherit;
}

@media (max-width: 56rem) {
  .home-hero,
  .project-hero {
    grid-template-columns: 1fr;
  }

  .hero-circuit {
    min-height: 10rem;
  }

  .project-row {
    grid-template-columns: 8rem minmax(0, 1fr);
  }

  .project-link,
  .project-link--unavailable {
    grid-column: auto;
    min-height: 3.5rem;
    border-top: 1px solid var(--line-soft);
  }
}

@media (max-width: 40rem) {
  .site-frame {
    width: 100%;
    min-height: 100vh;
    margin: 0;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
  }

  .masthead {
    min-height: 4rem;
  }

  .primary-nav a {
    min-width: auto;
    padding: 0 0.75rem;
  }

  .primary-nav a:last-child {
    display: none;
  }

  .home-hero {
    min-height: auto;
    padding-top: 3rem;
  }

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

  .project-mark {
    min-height: 7rem;
    border-right: 0;
    border-bottom: 1px solid var(--line-soft);
  }

  .project-link,
  .project-link--unavailable {
    grid-column: 1;
    border-left: 0;
  }

  .project-mark img {
    max-height: 5rem;
  }

  .project-topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .language-switcher {
    width: 100%;
  }

  .language-menu {
    position: static;
    margin-top: 0.35rem;
  }

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

  .project-title {
    max-width: none;
    font-size: clamp(1.6rem, 5.6vw, 2rem);
  }
}

@media (prefers-contrast: more) {
  :root {
    --muted: #d3e4f5;
    --line: rgb(88 243 255 / 90%);
    --line-soft: rgb(88 243 255 / 62%);
  }
}