:root {
  --slate: #14110f;
  --slate-2: #1c1814;
  --albumen: #c4a574;
  --yolk: #2a4a3a;
  --pine: #e8e0d0;
  --lead: #8a9098;
  --lock: #6a3a2a;
  --mute: #8a7c6c;
  --ok: #4a7a58;
  --line: rgba(196, 165, 116, 0.28);
  --display: "Playfair Display", "Noto Serif SC", serif;
  --sans: "Noto Sans SC", "PingFang SC", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 76px; }
body {
  margin: 0;
  color: var(--pine);
  background: var(--slate);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.app-link { color: var(--albumen); text-decoration: underline; text-underline-offset: 3px; }
button { font-family: inherit; cursor: pointer; }
code {
  font-family: var(--mono);
  font-size: 0.9em;
  color: var(--albumen);
  background: rgba(196, 165, 116, 0.12);
  padding: 0.05em 0.35em;
}

.frost {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 20;
  opacity: 0.18;
  background-image: url("images/texture.webp");
  background-size: 420px auto;
  mix-blend-mode: soft-light;
}
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; z-index: 80; background: var(--albumen); color: var(--slate); padding: 8px 12px; }

.yolk-bar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 28px;
  background: rgba(20, 17, 15, 0.9);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--display);
  font-weight: 700;
  font-size: 22px;
}
.brand small {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--mute);
  font-weight: 400;
}
.egg-dot {
  width: 22px;
  height: 28px;
  border-radius: 50% 50% 50% 50% / 42% 42% 58% 58%;
  background: radial-gradient(circle at 40% 35%, #d8c49a, #6a4a28 55%, #1c1814 100%);
  box-shadow: inset 0 -6px 0 var(--yolk);
}
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--albumen);
  color: var(--albumen);
  padding: 6px 12px;
  font-family: var(--mono);
}
.nav-links { display: flex; gap: 16px; font-size: 14px; }
.nav-links a { color: var(--mute); }
.nav-links a.is-active,
.nav-links a:hover { color: var(--albumen); }
.nav-links .live {
  background: var(--albumen);
  color: var(--slate);
  padding: 6px 12px;
}

.ovum {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  min-height: 100vh;
  align-items: center;
}
.ovum-copy { padding: 10vh 6vw 8vh; }
.ovum-cut {
  margin: 0;
  position: relative;
  min-height: 100vh;
}
.ovum-cut img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  clip-path: ellipse(46% 58% at 55% 50%);
}
.ovum-cut figcaption {
  position: absolute;
  left: 8%;
  bottom: 12%;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--albumen);
  max-width: 16em;
}

.kicker {
  font-family: var(--mono);
  letter-spacing: 0.18em;
  font-size: 11px;
  color: var(--albumen);
  margin: 0 0 12px;
  text-transform: uppercase;
}
h1, h2, h3 { font-family: var(--display); font-weight: 700; line-height: 1.05; margin: 0 0 14px; }
h1 { font-size: clamp(40px, 6vw, 76px); font-style: italic; }
h2 { font-size: clamp(28px, 3.6vw, 44px); }
h3 { font-size: 22px; font-style: italic; }
.lead, .quiet { max-width: 44em; color: var(--mute); }

.pb-lock {
  margin: 24px 0;
  padding: 18px 20px;
  border: 1px solid var(--lead);
  background: linear-gradient(180deg, rgba(138, 144, 152, 0.12), transparent);
  max-width: 28em;
}
.tank { font-family: var(--mono); font-size: 12px; color: var(--mute); margin: 0 0 6px; }
.pb-num { font-family: var(--display); font-size: 52px; line-height: 0.9; margin: 0 0 8px; color: var(--albumen); }
.pb-num small { display: block; font-family: var(--mono); font-size: 12px; color: var(--mute); font-style: normal; }
.pb-state { min-height: 3.4em; font-size: 14px; }
.pb-lock.is-lock { border-color: var(--lock); }
.pb-lock.is-lock .pb-num { color: #d4a090; }

.cta { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border: 1px solid currentColor;
  font-size: 14px;
  font-family: var(--mono);
}
.btn.fill { background: var(--albumen); color: var(--slate); border-color: var(--albumen); }
.btn.ghost { background: transparent; color: var(--pine); }

.shell { width: min(1080px, calc(100% - 40px)); margin: 0 auto; padding: 80px 0; }
.brine { background: var(--slate-2); }

.ledger {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: 32px;
  border-top: 1px solid var(--line);
}
.ledger div { padding: 24px 8px 8px 0; border-bottom: 1px solid var(--line); }
.ledger div:last-child { padding-left: 28px; border-left: 1px solid var(--line); }
.ledger ul { margin: 0; padding-left: 1.1em; }
.ledger li { margin: 0.4em 0; }

.vats { list-style: none; margin: 36px 0 0; padding: 0; }
.vats li {
  display: grid;
  grid-template-columns: 72px 1fr 0.9fr;
  gap: 20px;
  align-items: center;
  padding: 28px 0;
  border-top: 1px solid var(--line);
}
.lid {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  border: 1px solid var(--albumen);
  color: var(--albumen);
}
.vats img { width: 100%; height: 200px; object-fit: cover; border-radius: 50% 12px 50% 12px; }
.vats figcaption { font-family: var(--mono); font-size: 12px; color: var(--mute); margin-top: 8px; }

.rings {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 28px;
}
.rings article {
  padding: 22px 16px;
  border-radius: 50% 50% 12px 12px / 18% 18% 8px 8px;
  background: rgba(196, 165, 116, 0.08);
  border: 1px solid var(--line);
  min-height: 180px;
}
.roles-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.roles-3 article { padding: 18px; border-top: 2px solid var(--albumen); }
.roles-3 p, .rings p { color: var(--mute); }

.bound { list-style: none; margin: 0; padding: 0; counter-reset: b; }
.bound li {
  counter-increment: b;
  padding: 12px 0 12px 72px;
  border-bottom: 1px solid var(--line);
  position: relative;
}
.bound li::before {
  content: "Pb-" counter(b, decimal-leading-zero);
  position: absolute;
  left: 0;
  font-family: var(--mono);
  color: var(--albumen);
  font-size: 12px;
}

.io { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.io div { padding: 22px; border: 1px solid var(--line); }
.io ul { margin: 0; padding-left: 1.1em; }

footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 6vw 40px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: var(--mute);
}

@media (max-width: 980px) {
  .ovum, .ledger, .vats li, .rings, .roles-3, .io, footer { grid-template-columns: 1fr; }
  .ovum-cut { min-height: 52vh; }
  .ovum-cut img { position: relative; clip-path: none; height: 52vh; }
  .ovum-cut figcaption { position: static; padding: 8px 6vw 0; }
  .ledger div:last-child { padding-left: 0; border-left: 0; }
  .vats li { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: 58px;
    right: 12px;
    left: 12px;
    flex-direction: column;
    background: var(--slate-2);
    border: 1px solid var(--line);
    padding: 12px;
  }
  .nav-links.open { display: flex; }
  h1 { font-size: clamp(32px, 11vw, 48px); }
}