:root {
  --night: #090b10;
  --bone: #f6f3ec;
  --dust: #c4beb4;
  --copper: #e39b6a;
  --ion: #8aa6ff;
  --bench: #10151c;
  --line: rgba(246, 243, 236, 0.12);
  --mono: ui-monospace, "SF Mono", "Segoe UI Mono", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--night);
  color: var(--bone);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

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

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

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 3px;
}

::selection {
  background: var(--copper);
  color: #14181e;
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--bone);
  color: var(--night);
  padding: 0.5rem 0.75rem;
  z-index: 10;
}

.skip:focus { top: 1rem; }

.atmosphere {
  position: fixed;
  inset: -5%;
  z-index: -1;
  background:
    radial-gradient(42rem 32rem at 8% -8%, rgba(227, 155, 106, 0.2), transparent 58%),
    radial-gradient(36rem 30rem at 110% 8%, rgba(138, 166, 255, 0.14), transparent 52%),
    radial-gradient(34rem 26rem at 80% 110%, rgba(227, 155, 106, 0.08), transparent 50%),
    linear-gradient(rgba(246, 243, 236, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(246, 243, 236, 0.045) 1px, transparent 1px);
  background-size: auto, auto, auto, 4.5rem 4.5rem, 4.5rem 4.5rem;
  animation: drift 32s ease-in-out infinite alternate;
}

@keyframes drift {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-2.2%, -1.4%, 0); }
}

.wrap {
  width: min(68rem, 100%);
  margin-inline: auto;
  padding-left: max(1.25rem, env(safe-area-inset-left));
  padding-right: max(1.25rem, env(safe-area-inset-right));
}

.bar {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(9, 11, 16, 0.86);
  border-bottom: 1px solid var(--line);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
}

.bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.25rem;
}

.logo img { height: 1.85rem; width: auto; }

nav { display: flex; gap: 0.15rem; }

nav a {
  text-decoration: none;
  color: var(--dust);
  font-size: 0.95rem;
  padding: 0.7rem 0.7rem;
}

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

.hero { padding: 3.5rem 0 4rem; }

.kicker {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--copper);
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.kicker::before {
  content: "";
  width: 0.45rem;
  height: 0.45rem;
  background: var(--copper);
  transform: rotate(45deg);
  flex: none;
}

h1 { margin: 1.15rem 0 1.35rem; }

.wordmark { width: min(100%, 52rem); }

.tagline {
  font-size: clamp(2.5rem, 7vw, 4.8rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 0.94;
  max-width: 12ch;
}

.lede {
  margin-top: 1.35rem;
  max-width: 38rem;
  color: var(--dust);
  font-size: 1.125rem;
  text-wrap: pretty;
}

.status {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.6rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bone);
}

.dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--copper);
  box-shadow: 0 0 0 0 rgba(227, 155, 106, 0.55);
  animation: pulse 2.6s ease-out infinite;
}

@keyframes pulse {
  70% { box-shadow: 0 0 0 0.5rem rgba(227, 155, 106, 0); }
  100% { box-shadow: 0 0 0 0 rgba(227, 155, 106, 0); }
}

#top, #building, #labs { scroll-margin-top: 5rem; }

section { padding: 1rem 0 4.5rem; }

h2 {
  margin-top: 0.7rem;
  font-size: clamp(2.15rem, 5vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.98;
}

.intro {
  margin-top: 1rem;
  max-width: 38rem;
  color: var(--dust);
  text-wrap: pretty;
}

.work {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
}

.work li {
  display: grid;
  grid-template-columns: 2.75rem 1fr;
  gap: 0.2rem 1rem;
  padding: 1.15rem 0;
  border-top: 1px solid var(--line);
}

.work p { grid-column: 2; }

.work li:last-child { border-bottom: 1px solid var(--line); }

.idx {
  font-family: var(--mono);
  color: var(--copper);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  padding-top: 0.4rem;
}

.work h3 {
  font-size: 1.3rem;
  letter-spacing: -0.03em;
  font-weight: 650;
}

.work p { color: var(--dust); }

.labs-mark {
  width: min(100%, 30rem);
  margin-bottom: 1.4rem;
}

.motto {
  margin-top: 1.35rem;
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  color: var(--copper);
}

.bridge {
  margin-top: 0.8rem;
  max-width: 40rem;
  color: var(--dust);
  text-wrap: pretty;
}

.elements {
  list-style: none;
  margin: 1.8rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.elements li {
  display: grid;
  grid-template-columns: 5.6rem 1fr;
  gap: 0.95rem;
  align-items: center;
}

.tile {
  width: 5.6rem;
  height: 5.6rem;
  border: 1.5px solid var(--copper);
  background: var(--bench);
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: 0.35rem 0.4rem 0.4rem;
}

.tile .num {
  font-family: var(--mono);
  color: var(--ion);
  font-size: 0.72rem;
  line-height: 1;
}

.tile .sym {
  justify-self: center;
  align-self: center;
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
}

.tile .el {
  justify-self: center;
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--copper);
}

.elements h3 {
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.elements p { color: var(--dust); font-size: 0.98rem; }

.batch {
  margin-top: 1.4rem;
  display: grid;
  gap: 0.85rem;
}

.card {
  background: rgba(16, 21, 28, 0.92);
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  padding: 1.15rem 1.2rem 1.25rem;
}

.purity {
  margin-top: 0.35rem;
  font-size: clamp(3.4rem, 10vw, 5rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 0.9;
  font-variant-numeric: tabular-nums;
}

.purity span {
  font-size: 0.45em;
  letter-spacing: 0;
  margin-left: 0.05em;
}

.purity-label {
  margin-top: 0.25rem;
  font-family: var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--copper);
}

.fine {
  margin-top: 0.7rem;
  color: var(--dust);
}

.ask {
  font-family: var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--dust);
}

.answer {
  margin-top: 0.35rem;
  font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 0.95;
}

.namecard { display: flex; flex-direction: column; justify-content: center; }

.signoff {
  margin-top: 1.6rem;
  font-family: var(--mono);
  color: var(--copper);
  font-size: 1.05rem;
}

footer {
  border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
}

.foot {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  padding-top: 1.4rem;
  padding-bottom: 1.6rem;
  color: var(--dust);
  font-size: 0.92rem;
}

@media (min-width: 720px) {
  .hero { padding: 5rem 0 5.5rem; }
  section { padding-bottom: 6rem; }
  .work li {
    grid-template-columns: 4rem 13rem 1fr;
    align-items: baseline;
    gap: 1rem 1.5rem;
    padding: 1.35rem 0;
  }
  .work p { grid-column: auto; }
  .work .idx { padding-top: 0; }
  .elements { grid-template-columns: 1fr 1fr; gap: 1.25rem; }
  .batch { grid-template-columns: 0.9fr 1.1fr; align-items: stretch; }
  .logo img { height: 2rem; }
  .foot {
    flex-direction: row;
    justify-content: space-between;
    align-items: baseline;
    gap: 1.5rem;
  }
}

@media (max-width: 380px) {
  .logo img { height: 1.55rem; }
  nav a { padding-inline: 0.45rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .atmosphere, .dot { animation: none; }
}

@media (hover: hover) {
  .card { transition: border-color 0.2s ease; }
  .card:hover { border-color: rgba(227, 155, 106, 0.55); }
}