:root {
  --bg: #06070b;
  --ink: #edf7f8;
  --muted: #b4c6d4;
  --dim: #7f94a6;
  --cyan: #3dffe8;
  --magenta: #ff3d8a;
  --gold: #e7c56a;
  --line: rgba(255, 255, 255, 0.08);
  --display: "Oxanium", "IBM Plex Sans JP", "Yu Gothic UI", sans-serif;
  --body: "IBM Plex Sans JP", "Yu Gothic UI", "Hiragino Sans", "Meiryo", sans-serif;
  --mono: "Share Tech Mono", "Cascadia Mono", Consolas, ui-monospace, monospace;
  --header: 76px;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--body);
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--ink);
  background: var(--bg);
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
button, input, select { font: inherit; }
button { color: inherit; }
a { color: inherit; }
p, h1, h2, h3, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; }
::selection { background: rgba(61, 255, 232, 0.28); color: #fff; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }
[hidden] { display: none !important; }
html { scrollbar-color: #1a6f68 var(--bg); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #145e58; }
::-webkit-scrollbar-track { background: var(--bg); }

.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip {
  position: absolute;
  left: 12px;
  top: -48px;
  z-index: 120;
  background: var(--cyan);
  color: #041316;
  padding: 0.55rem 0.8rem;
  font-family: var(--mono);
  text-decoration: none;
}
.skip:focus { top: 12px; }

#field, .dots, .orbs, .scanlines, .scanbar, .vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
}
#field { z-index: 0; width: 100%; height: 100%; }
.dots {
  z-index: 0;
  background-image: radial-gradient(rgba(61, 255, 232, 0.16) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(ellipse at center, transparent 15%, #000 78%);
  opacity: 0.45;
}
.orbs {
  z-index: 0;
  background:
    radial-gradient(ellipse at 18% 8%, rgba(61, 255, 232, 0.09), transparent 36%),
    radial-gradient(ellipse at 86% 16%, rgba(255, 61, 138, 0.07), transparent 32%),
    radial-gradient(ellipse at 50% 110%, rgba(38, 58, 130, 0.22), transparent 46%);
}
.scanlines {
  z-index: 5;
  background: repeating-linear-gradient(to bottom, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.04) 1px, transparent 1px, transparent 4px);
  mix-blend-mode: overlay;
  opacity: 0.18;
}
.scanbar {
  z-index: 5;
  height: 18vh;
  background: linear-gradient(to bottom, transparent, rgba(61, 255, 232, 0.05), transparent);
  animation: scan 9s linear infinite;
}
.vignette {
  z-index: 4;
  background: radial-gradient(ellipse at center, transparent 42%, rgba(0, 0, 0, 0.58) 100%);
}
.cursor, .cursor-dot {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 110;
  pointer-events: none;
}
html.fine .cursor, html.fine .cursor-dot { display: block; }
.cursor {
  width: 28px;
  height: 28px;
  margin: -14px 0 0 -14px;
  border: 1px solid rgba(61, 255, 232, 0.85);
  border-radius: 50%;
  transform: scale(1);
  transition: transform 0.15s ease, background 0.15s ease;
}
.cursor.is-hot { transform: scale(1.55); background: rgba(61, 255, 232, 0.08); }
.cursor-dot {
  width: 4px;
  height: 4px;
  margin: -2px 0 0 -2px;
  background: var(--cyan);
  border-radius: 50%;
}
html.fine, html.fine body, html.fine a, html.fine button, html.fine summary, html.fine label, html.fine input, html.fine select {
  cursor: none;
}

.edge-label {
  display: none;
  position: fixed;
  left: 14px;
  top: 50%;
  z-index: 6;
  margin: 0;
  writing-mode: vertical-rl;
  transform: translateY(-50%);
  letter-spacing: 0.28em;
  font-family: var(--mono);
  font-size: 0.68rem;
  color: rgba(127, 148, 166, 0.7);
  pointer-events: none;
}

.progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 45;
  pointer-events: none;
}
.progress span {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--magenta), var(--cyan));
  transform: scaleX(0);
  transform-origin: left center;
}
html:not(.js) .progress { display: none; }

.site-header, main, .site-footer, .to-top { position: relative; z-index: 1; }
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 1.1rem;
  min-height: var(--header);
  padding: 0.75rem 1.3rem;
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease;
}
.site-header.is-stuck {
  background: rgba(6, 7, 11, 0.88);
  border-bottom-color: var(--line);
  backdrop-filter: blur(14px);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  flex: none;
  color: var(--ink);
  text-decoration: none;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: 0.16em;
  font-size: 0.95rem;
}
.logo svg { width: 26px; height: 26px; color: var(--cyan); }
.nav {
  display: flex;
  gap: 1.15rem;
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.nav::-webkit-scrollbar { display: none; }
.nav a {
  position: relative;
  flex: none;
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--dim);
  padding: 0.3rem 0;
}
.nav a:hover { color: var(--cyan); text-shadow: 2px 0 rgba(255, 61, 138, 0.65); }
.nav a.is-active { color: var(--cyan); }
.nav a.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 1px;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}

.icon-btn, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 44px;
  border: 1px solid transparent;
  text-decoration: none;
  white-space: nowrap;
}
.icon-btn {
  background: transparent;
  color: var(--dim);
  padding: 0 0.55rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
}
.icon-btn[aria-pressed="true"] { color: var(--cyan); }
.audio-icon { display: inline-flex; align-items: end; gap: 2px; height: 14px; }
.audio-icon i {
  display: block;
  width: 2px;
  height: 5px;
  background: currentColor;
}
.icon-btn[aria-pressed="true"] .audio-icon i { animation: eq 0.7s ease-in-out infinite alternate; }
.audio-icon i:nth-child(2) { height: 10px; animation-delay: 0.1s; }
.audio-icon i:nth-child(3) { height: 7px; animation-delay: 0.2s; }
.audio-icon i:nth-child(4) { height: 12px; animation-delay: 0.05s; }

.btn {
  padding: 0 1.15rem;
  font-family: var(--display);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}
.btn-primary { background: var(--cyan); color: #041316; }
.btn-primary:hover { background: #fff; box-shadow: 0 0 22px rgba(61, 255, 232, 0.4); }
.btn-ghost { border-color: rgba(61, 255, 232, 0.45); color: var(--ink); background: rgba(6, 7, 11, 0.35); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn-full { width: 100%; }
.btn:disabled { opacity: 0.6; }

.loader {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  place-items: center;
  background:
    radial-gradient(ellipse at 50% 40%, rgba(61, 255, 232, 0.05), transparent 46%),
    #06070b;
  padding: 1.5rem;
}
html.booting .loader { display: grid; }
.loader-inner { width: min(460px, 100%); }
.loader-kicker, .loader-status, .loader-skip {
  font-family: var(--mono);
  letter-spacing: 0.14em;
  font-size: 0.75rem;
}
.loader-kicker { color: var(--dim); margin-bottom: 0.4rem; }
.loader-mark {
  font-family: var(--display);
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  letter-spacing: 0.12em;
  margin-bottom: 1.2rem;
}
.loader-list { list-style: none; margin-bottom: 1.2rem; }
.loader-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--mono);
  color: var(--muted);
  opacity: 0;
  animation: fadeup 0.45s ease forwards;
  padding: 0.28rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.loader-list li:nth-child(1) { animation-delay: 0.25s; }
.loader-list li:nth-child(2) { animation-delay: 0.7s; }
.loader-list li:nth-child(3) { animation-delay: 1.15s; }
.loader-list li:nth-child(4) { animation-delay: 1.6s; }
.loader-list em { color: var(--cyan); font-style: normal; }
.loader-bar { height: 2px; background: rgba(255, 255, 255, 0.08); margin-bottom: 0.8rem; }
.loader-bar span {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--magenta), var(--cyan));
  transform: scaleX(0);
  transform-origin: left;
  animation: load 2.2s ease forwards;
}
.loader-status { color: var(--gold); }
.loader-skip {
  margin-top: 1.2rem;
  background: transparent;
  border: 1px solid rgba(61, 255, 232, 0.4);
  color: var(--cyan);
  min-height: 40px;
  padding: 0 0.8rem;
}

.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--header) + 2.5rem) 0 5.5rem;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(6, 7, 11, 0.15), rgba(6, 7, 11, 0.55) 62%, #06070b);
}
.hero-copy { position: relative; z-index: 2; width: min(760px, calc(100% - 40px)); margin-left: max(20px, calc((100% - 1120px) / 2)); }
.hero-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}
.hero-kicker i { width: 18px; height: 1px; background: rgba(61, 255, 232, 0.45); }
.pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  animation: blink 1.6s steps(1) infinite;
}
.caret::after {
  content: "▍";
  margin-left: 0.35rem;
  animation: blink 1s steps(1) infinite;
}
.hero-title {
  margin: 0.55rem 0 0.35rem;
  font-weight: 600;
  font-size: clamp(2.7rem, 7.4vw, 6rem);
  line-height: 1.02;
  letter-spacing: 0.02em;
  text-shadow: 0 0 28px rgba(61, 255, 232, 0.16);
  text-wrap: balance;
}
.glitch { position: relative; display: block; }
.glitch::before, .glitch::after {
  content: attr(data-text);
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}
.hero-title.is-glitching .glitch::before, .hero-title:hover .glitch::before {
  opacity: 0.85;
  color: var(--magenta);
  transform: translate(4px, -1px);
  clip-path: inset(8% 0 52% 0);
}
.hero-title.is-glitching .glitch::after, .hero-title:hover .glitch::after {
  opacity: 0.8;
  color: var(--cyan);
  transform: translate(-4px, 1px);
  clip-path: inset(58% 0 6% 0);
}
.hero-en {
  font-family: var(--display);
  letter-spacing: 0.2em;
  font-size: 0.84rem;
  color: var(--cyan);
}
.hero-lead {
  max-width: 38rem;
  margin-top: 1rem;
  color: var(--muted);
  font-size: 1.05rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.4rem; }
.hero-note { margin-top: 0.9rem; color: var(--gold); font-size: 0.88rem; }
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.2rem;
  margin-top: 1.4rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--dim);
}
.scroll-hint {
  position: absolute;
  z-index: 2;
  left: 50%;
  bottom: 1.1rem;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--dim);
  text-decoration: none;
}
.scroll-hint::after {
  content: "";
  display: block;
  width: 1px;
  height: 28px;
  margin: 0.4rem auto 0;
  background: linear-gradient(var(--cyan), transparent);
  animation: drop 1.8s ease-in-out infinite;
}

.floor {
  position: absolute;
  left: -15%;
  right: -15%;
  bottom: -10%;
  height: 48%;
  pointer-events: none;
  background-image:
    linear-gradient(to top, rgba(6, 7, 11, 1), rgba(6, 7, 11, 0.15) 42%, transparent),
    repeating-linear-gradient(90deg, rgba(61, 255, 232, 0.2) 0 1px, transparent 1px 78px),
    repeating-linear-gradient(0deg, rgba(61, 255, 232, 0.2) 0 1px, transparent 1px 78px);
  transform: perspective(520px) rotateX(64deg);
  transform-origin: center bottom;
}
.city {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 36%;
  pointer-events: none;
  mask-image: linear-gradient(to top, #000 28%, transparent 92%);
}
.city span {
  position: absolute;
  left: calc(var(--x) * 1%);
  width: calc(var(--w) * 1%);
  height: calc(var(--h) * 1%);
  bottom: 0;
  background-color: #070910;
  background-image: radial-gradient(circle, rgba(61, 255, 232, 0.55) 0.7px, transparent 0.85px);
  background-size: 8px 11px;
  box-shadow: inset 0 0 0 1px rgba(61, 255, 232, 0.13);
}
.city .ant::before {
  content: "";
  position: absolute;
  top: -16px;
  left: 50%;
  width: 1px;
  height: 16px;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}
.city .billboard {
  background-image:
    linear-gradient(100deg, rgba(255, 61, 138, 0.05), rgba(255, 61, 138, 0.45), rgba(61, 255, 232, 0.15)),
    radial-gradient(circle, rgba(255, 61, 138, 0.75) 0.7px, transparent 0.85px);
  background-size: 220% 100%, 8px 11px;
  animation: billboard 7s linear infinite;
}
.radar {
  position: absolute;
  z-index: 1;
  right: max(4vw, calc((100% - 1120px) / 2));
  top: 19%;
  width: min(340px, 34vw);
  aspect-ratio: 1;
  pointer-events: none;
}
.radar-ring {
  position: absolute;
  inset: var(--inset);
  border: 1px solid rgba(61, 255, 232, 0.32);
  border-radius: 50%;
}
.radar-cross::before, .radar-cross::after {
  content: "";
  position: absolute;
  background: rgba(61, 255, 232, 0.22);
}
.radar-cross::before { left: 50%; top: 8%; bottom: 8%; width: 1px; }
.radar-cross::after { top: 50%; left: 8%; right: 8%; height: 1px; }
.radar-sweep {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 44%;
  height: 2px;
  background: linear-gradient(90deg, rgba(61, 255, 232, 0.95), transparent);
  transform-origin: left center;
  animation: spin 4.2s linear infinite;
}
.mark {
  position: absolute;
  inset: 30%;
  width: 40%;
  height: 40%;
  filter: drop-shadow(0 0 6px rgba(61, 255, 232, 0.45));
}
.radar-readout {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8%;
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--dim);
}
.radar-readout b { color: var(--cyan); font-weight: 400; }

.marquee {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 6, 10, 0.92);
}
.marquee-track {
  display: flex;
  gap: 2.4rem;
  width: max-content;
  padding: 0.72rem 0;
  animation: ticker 32s linear infinite;
}
.marquee span {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--dim);
}
.marquee span::before { content: "// "; color: var(--cyan); }

.section {
  position: relative;
  padding: clamp(4.5rem, 10vh, 7.5rem) 0;
  background: linear-gradient(180deg, rgba(6, 7, 11, 0.9), rgba(6, 7, 11, 0.94));
}
.wrap { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.sec-head { position: relative; margin-bottom: 2rem; max-width: 760px; }
.sec-kicker, .sec-en, .count-label, .panel-kicker {
  font-family: var(--mono);
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  color: var(--cyan);
}
.sec-title {
  margin-top: 0.35rem;
  font-size: clamp(1.9rem, 4vw, 3.3rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0.03em;
  text-wrap: balance;
}
.sec-en { margin-top: 0.45rem; color: var(--dim); }
.watermark {
  position: absolute;
  right: 0;
  top: -0.45em;
  font-family: var(--display);
  font-size: clamp(4.5rem, 12vw, 9rem);
  line-height: 0.8;
  color: transparent;
  -webkit-text-stroke: 1px rgba(61, 255, 232, 0.16);
  pointer-events: none;
  user-select: none;
}

.genesis-grid, .arch-grid, .protocol-grid, .cta-grid, .footer-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.2rem;
  align-items: start;
}
.prose p { color: var(--muted); max-width: 64ch; }
.prose p + p, .projection p + p, .deep-log p + p, .legal p + p { margin-top: 0.9rem; }
.prose .lead { color: var(--ink); font-size: 1.12rem; }
blockquote {
  margin: 1.4rem 0 0;
  padding: 0.1rem 0 0.1rem 1rem;
  border-left: 2px solid var(--magenta);
  color: var(--ink);
  font-size: 1.12rem;
  line-height: 1.7;
}
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 1.4rem;
}
.compare div, .usecase, .projection, .card, .panel, .terminal {
  background: rgba(10, 14, 24, 0.78);
  border: 1px solid var(--line);
}
.compare div, .usecase, .projection { padding: 1rem; }
.compare h3, .usecase .en, .card .en {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  font-weight: 400;
}
.compare h3 { margin-bottom: 0.45rem; }
.compare div:first-child h3 { color: var(--magenta); }
.compare div:last-child h3 { color: var(--cyan); }
.compare li { list-style: none; color: var(--muted); padding: 0.22rem 0; font-size: 0.95rem; }
.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 12px;
}
.stats div {
  padding: 0.75rem 0.85rem 0.65rem;
  border-top: 1px solid rgba(61, 255, 232, 0.4);
  background: rgba(61, 255, 232, 0.035);
}
.stats dt { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.12em; color: var(--dim); }
.stats dd { margin-top: 0.15rem; font-family: var(--display); font-size: 1.55rem; letter-spacing: 0.04em; }
.stats small { margin-left: 0.3rem; font-size: 0.62rem; color: var(--cyan); letter-spacing: 0.08em; }
.terminal { box-shadow: 0 24px 50px rgba(0, 0, 0, 0.28); }
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--line);
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.75rem;
}
.terminal-bar i { width: 8px; height: 8px; border-radius: 50%; background: #243044; }
.terminal-bar i:first-child { background: var(--magenta); }
.terminal-bar span { margin-left: auto; }
.terminal-body {
  padding: 0.75rem 0.85rem 1rem;
  min-height: 210px;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.7;
  color: #9eece4;
}

.bento {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  gap: 12px;
}
.card-lead { grid-row: span 2; }
.card {
  position: relative;
  overflow: hidden;
  min-height: 230px;
  padding: 1.05rem 1.05rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.card::before, .panel::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(var(--cyan), var(--cyan)) left top / 14px 1px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) left top / 1px 14px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) right bottom / 14px 1px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) right bottom / 1px 14px no-repeat;
  opacity: 0.7;
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(380px circle at var(--mx, 50%) var(--my, 0%), rgba(61, 255, 232, 0.09), transparent 42%);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.card:hover { border-color: rgba(61, 255, 232, 0.35); }
html.js .card.reveal.is-in:hover { transform: translateY(-3px); }
.card:hover::after { opacity: 1; }
.card-top { display: flex; justify-content: space-between; align-items: flex-start; color: var(--cyan); }
.card svg { width: 30px; height: 30px; fill: none; stroke: currentColor; stroke-width: 1.4; }
.idx, .usecase span, .when {
  font-family: var(--mono);
  color: var(--dim);
  letter-spacing: 0.12em;
  font-size: 0.75rem;
}
.card h3, .usecase h3 { font-size: 1.18rem; font-weight: 600; margin-top: 0.7rem; }
.card .en, .usecase .en { color: var(--cyan); margin: 0.15rem 0 0.45rem; }
.card p:last-of-type, .usecase p:last-child { color: var(--muted); font-size: 0.96rem; }
.eq { display: flex; align-items: end; gap: 4px; height: 42px; margin-top: auto; padding-top: 1.2rem; }
.eq i {
  display: block;
  width: 3px;
  height: 100%;
  background: var(--cyan);
  transform-origin: bottom;
  animation: eq 0.9s ease-in-out infinite alternate;
}
.eq i:nth-child(odd) { background: var(--magenta); animation-duration: 1.15s; }
.eq i:nth-child(3n) { animation-delay: 0.18s; }

.layers details { border-bottom: 1px solid var(--line); }
.layers summary, .legal summary {
  cursor: pointer;
  list-style: none;
}
.layers summary::-webkit-details-marker, .legal summary::-webkit-details-marker { display: none; }
.layers summary {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.95rem 0;
  font-family: var(--display);
  letter-spacing: 0.06em;
}
.layers summary::before, .legal summary::before {
  content: "[ + ]";
  font-family: var(--mono);
  color: var(--cyan);
  font-size: 0.75rem;
}
.layers details[open] summary::before, .legal[open] summary::before { content: "[ - ]"; }
.layers summary span { font-family: var(--mono); color: var(--cyan); font-size: 0.8rem; }
.layers summary small { margin-left: auto; color: var(--dim); font-family: var(--mono); letter-spacing: 0.08em; }
.layers details[open] summary { color: var(--cyan); }
.layers details p, .legal p { color: var(--muted); padding: 0 0 1rem 3.2rem; }
.deep-log { margin-top: 0.6rem; }
.arch-visual { position: sticky; top: 96px; }
#bus { width: min(100%, 420px); margin-inline: auto; }
#bus .node { opacity: 0.38; transition: opacity 0.3s ease; }
#bus .node.is-hot { opacity: 1; }
#bus text {
  fill: #d5e4ee;
  font-family: "Share Tech Mono", Consolas, monospace;
  font-size: 13px;
}
#bus .sub { fill: #7f94a6; font-size: 11px; }
#bus .is-hot text { fill: var(--cyan); }
.arch-note { margin-top: 0.4rem; color: var(--dim); font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.06em; }

.timeline { list-style: none; border-left: 1px solid rgba(61, 255, 232, 0.35); padding-left: 1.4rem; }
.timeline li { position: relative; padding-bottom: 1.6rem; }
.timeline li::before {
  content: "";
  position: absolute;
  left: calc(-1.4rem - 5px);
  top: 0.4rem;
  width: 9px;
  height: 9px;
  background: var(--bg);
  border: 1px solid var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}
.when { color: var(--gold); }
.timeline h3 { margin: 0.2rem 0; font-family: var(--display); letter-spacing: 0.08em; font-size: 1.15rem; }
.timeline p, .projection p, .cta-lead, .fine, .copy, .site-footer p { color: var(--muted); }
.projection { border-color: rgba(231, 197, 106, 0.28); }
.usecases {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 1.6rem;
}
.usecase span { display: block; }

.cta {
  background:
    radial-gradient(ellipse at 85% 10%, rgba(255, 61, 138, 0.09), transparent 34%),
    linear-gradient(180deg, rgba(6, 7, 11, 0.92), #080a12);
}
.cta-lead { margin-top: 1rem; max-width: 46ch; }
.slots { display: flex; align-items: baseline; gap: 0.7rem; margin: 1.4rem 0 1rem; }
.slots b {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 400;
  color: var(--cyan);
  text-shadow: 0 0 16px rgba(61, 255, 232, 0.35);
}
.slots span, .count-label, .count-note { font-family: var(--mono); letter-spacing: 0.1em; }
.slots span, .count-note { color: var(--dim); font-size: 0.75rem; }
.count-label { margin-bottom: 0.45rem; color: var(--gold); }
.count { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.count div {
  min-width: 4.4rem;
  padding: 0.65rem 0.4rem 0.45rem;
  text-align: center;
  border: 1px solid rgba(231, 197, 106, 0.38);
  background: rgba(231, 197, 106, 0.04);
}
.count b {
  display: block;
  font-family: var(--mono);
  font-weight: 400;
  font-size: 1.55rem;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}
.count span { font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.14em; color: var(--dim); }
.count-note { margin-top: 0.7rem; max-width: 46ch; line-height: 1.6; }
.panel { position: relative; padding: 1.25rem 1.2rem 1.1rem; }
.panel-kicker { margin-bottom: 0.8rem; }
.field { display: flex; flex-direction: column; gap: 0.28rem; margin-bottom: 0.95rem; }
.field span {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
}
.field input, .field select {
  width: 100%;
  color: var(--ink);
  background: transparent;
  border: none;
  border-bottom: 1px solid rgba(61, 255, 232, 0.35);
  border-radius: 0;
  padding: 0.62rem 1.6rem 0.62rem 0.15rem;
  font-size: 1rem;
}
.field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--cyan) 50%), linear-gradient(135deg, var(--cyan) 50%, transparent 50%);
  background-position: calc(100% - 16px) 55%, calc(100% - 10px) 55%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}
::placeholder { color: #6d8292; }
.consent {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  margin: 0.3rem 0 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}
.consent input { margin-top: 0.35rem; width: 1.05rem; height: 1.05rem; accent-color: var(--cyan); flex: none; }
.form-error {
  color: #ffc0d4;
  border: 1px solid rgba(255, 61, 138, 0.5);
  padding: 0.6rem 0.7rem;
  margin-bottom: 0.9rem;
  font-size: 0.92rem;
}
.fine { margin-top: 0.75rem; font-size: 0.8rem; line-height: 1.6; }
.success h3 { margin: 0.2rem 0 0.6rem; font-size: 1.35rem; }
.key {
  margin: 0.9rem 0;
  padding: 0.8rem 0.7rem;
  border: 1px dashed rgba(61, 255, 232, 0.5);
  font-family: var(--mono);
  font-size: clamp(1rem, 3vw, 1.35rem);
  letter-spacing: 0.12em;
  color: var(--cyan);
  word-break: break-all;
}

.site-footer {
  z-index: 1;
  padding: 3rem 0 5.5rem;
  border-top: 1px solid var(--line);
  background: #05060a;
  font-size: 0.94rem;
}
.footer-grid a { display: block; text-decoration: none; color: var(--muted); padding: 0.18rem 0; }
.footer-grid a:hover, .site-footer a:hover { color: var(--cyan); }
.logo + p { margin-top: 0.8rem; }
.socials { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-bottom: 0.9rem; }
.socials a {
  display: inline-flex;
  border: 1px solid rgba(61, 255, 232, 0.32);
  padding: 0.4rem 0.65rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--ink);
}
.copy { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.06em; }
.legal-wrap { margin-top: 1.8rem; display: grid; gap: 0.4rem; }
.legal { border-top: 1px solid var(--line); padding-top: 0.55rem; }
.legal summary { font-family: var(--mono); color: var(--cyan); letter-spacing: 0.08em; font-size: 0.8rem; padding: 0.35rem 0; }
.legal p { padding-left: 0; max-width: 78ch; }
.keys { margin-top: 0.8rem; font-family: var(--mono); font-size: 0.75rem; color: var(--dim); }
kbd { border: 1px solid rgba(255, 255, 255, 0.2); padding: 0.05rem 0.35rem; font-family: inherit; }

.to-top {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 25;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(61, 255, 232, 0.4);
  background: rgba(6, 7, 11, 0.82);
  color: var(--cyan);
  text-decoration: none;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.to-top.is-on, html:not(.js) .to-top { opacity: 1; pointer-events: auto; }
.toast-wrap {
  position: fixed;
  left: 1rem;
  bottom: 1rem;
  z-index: 70;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  width: min(320px, calc(100% - 5.5rem));
}
.toast {
  background: #0c121c;
  border: 1px solid rgba(61, 255, 232, 0.4);
  color: var(--ink);
  padding: 0.7rem 0.8rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  line-height: 1.55;
  opacity: 0;
  transform: translateY(8px);
  transition: 0.3s ease;
}
.toast.is-in { opacity: 1; transform: none; }

html.js .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
html.js .reveal.is-in { opacity: 1; transform: none; }
html.booting, html.booting body { overflow: hidden; }

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes ticker { to { transform: translateX(-50%); } }
@keyframes scan { from { transform: translateY(-20vh); } to { transform: translateY(110vh); } }
@keyframes blink { 50% { opacity: 0; } }
@keyframes drop { 50% { transform: translateY(6px); opacity: 0.4; } }
@keyframes fadeup { to { opacity: 1; } }
@keyframes load { to { transform: scaleX(1); } }
@keyframes eq { from { transform: scaleY(0.2); } to { transform: scaleY(1); } }
@keyframes billboard { from { background-position: 0 0, 0 0; } to { background-position: 220% 0, 0 0; } }

@media (min-width: 1180px) {
  .edge-label { display: block; }
  .site-header, .hero { padding-left: 46px; }
  .site-header { padding-right: 1.4rem; }
}

@media (max-width: 1180px) {
  .radar { width: 250px; right: -24px; opacity: 0.42; }
}

@media (max-width: 980px) {
  .radar { width: 210px; right: -30px; top: 96px; opacity: 0.4; }
  .bento, .usecases { grid-template-columns: 1fr 1fr; }
  .card-lead { grid-row: auto; grid-column: 1 / -1; }
  .watermark { opacity: 0.4; }
}

@media (max-width: 800px) {
  .genesis-grid, .arch-grid, .protocol-grid, .cta-grid, .footer-grid, .compare { grid-template-columns: 1fr; }
  .arch-visual { position: static; }
  .site-header { flex-wrap: wrap; gap: 0.45rem 0.7rem; padding: 0.65rem 0.85rem; }
  .nav { order: 5; flex: 1 0 100%; padding-bottom: 0.35rem; }
  .audio-label { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .hero-copy { width: min(1120px, calc(100% - 32px)); margin-inline: auto; }
  .wrap { width: min(1120px, calc(100% - 32px)); }
  .city { height: 24%; opacity: 0.75; }
}

@media (max-width: 560px) {
  .bento, .usecases, .stats { grid-template-columns: 1fr; }
  .hero-title { letter-spacing: 0; }
  .header-cta { padding-inline: 0.7rem; }
  .radar-readout { display: none; }
  .watermark { display: none; }
  .layers details p { padding-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .scanbar, .radar-sweep, .marquee-track { animation: none !important; }
  .glitch::before, .glitch::after { display: none; }
  html.js .reveal { opacity: 1; transform: none; }
}

@media (prefers-contrast: more) {
  :root { --muted: #e4eef5; --dim: #c5d4e0; --ink: #fff; }
  .card, .panel, .terminal, .usecase { border-color: rgba(61, 255, 232, 0.55); }
}