:root {
  color-scheme: dark;
  --bg: #050505;
  --panel: #0a0a0a;
  --ink: #eaeaea;
  --muted: #858585;
  --line: #262626;
  --accent: #b7ff00;
  --sans: Arial, Helvetica, sans-serif;
  --mono: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; color: var(--ink); background: var(--bg); font-family: var(--mono); }
a { color: inherit; }
button { font: inherit; }
.skip-link { position: fixed; z-index: 99; top: 1rem; left: 1rem; padding: .75rem 1rem; color: #050505; background: var(--accent); transform: translateY(-200%); }
.skip-link:focus { transform: none; }

.hero { position: relative; min-height: 100svh; overflow: hidden; display: grid; grid-template-rows: auto 1fr auto; padding: 1.15rem clamp(1.25rem, 3vw, 3rem) 1.5rem; border-bottom: 1px solid var(--line); isolation: isolate; }
.hero::after { content: ""; pointer-events: none; position: absolute; inset: 0; z-index: -1; background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(255,255,255,.018) 3px 4px); }
.hero-grid { position: absolute; inset: 0; z-index: -2; opacity: .28; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: min(8vw, 90px) min(8vw, 90px); mask-image: linear-gradient(to bottom, black, transparent 85%); }
.system-strip { display: flex; justify-content: space-between; gap: 2rem; color: var(--muted); font-size: .72rem; letter-spacing: .05em; text-transform: uppercase; }
.hero-content { align-self: center; padding: 8vh 0 13vh; }
.eyebrow { display: flex; align-items: center; gap: .65rem; margin: 0 0 1.4rem; color: var(--accent); font-size: .75rem; letter-spacing: .14em; }
.pulse { width: .55rem; height: .55rem; border-radius: 50%; background: var(--accent); box-shadow: 0 0 1rem var(--accent); animation: pulse 2s infinite; }
.wordmark { display: flex; flex-direction: column; align-items: flex-start; border: 0; padding: 0; color: var(--ink); background: none; cursor: crosshair; font-family: var(--sans); font-size: clamp(5.4rem, 17.8vw, 17rem); font-weight: 900; line-height: .69; letter-spacing: -.085em; text-align: left; }
.wordmark .accent { color: var(--accent); }
.lede { max-width: 46rem; margin: clamp(2rem, 4vw, 3.5rem) 0 0; font-family: var(--sans); font-size: clamp(1.25rem, 2.3vw, 2.25rem); letter-spacing: -.025em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 2.25rem; }
.button { display: inline-flex; min-height: 3rem; align-items: center; justify-content: space-between; gap: 2rem; border: 1px solid var(--line); padding: .85rem 1.05rem; font-size: .76rem; letter-spacing: .08em; text-decoration: none; transition: background .2s, color .2s, border-color .2s; }
.button-primary { min-width: 14rem; color: #050505; border-color: var(--accent); background: var(--accent); }
.button-primary:hover, .button-primary:focus-visible { background: #fff; border-color: #fff; }
.button-ghost:hover, .button-ghost:focus-visible { color: var(--accent); border-color: var(--accent); }
.core-monitor { position: absolute; right: clamp(1.25rem, 3vw, 3rem); bottom: 5.5rem; width: min(24rem, 31vw); padding: 1rem; border: 1px solid var(--line); background: rgba(5,5,5,.74); backdrop-filter: blur(8px); }
.monitor-title { margin: 0 0 1rem; color: var(--muted); font-size: .68rem; text-transform: uppercase; }
.core-row { display: grid; grid-template-columns: 3.6rem 1fr 2.8rem; align-items: center; gap: .7rem; margin-top: .58rem; color: var(--muted); font-size: .67rem; }
.core-row progress { width: 100%; height: 3px; border: 0; background: #1d1d1d; appearance: none; }
.core-row progress::-webkit-progress-bar { background: #1d1d1d; }
.core-row progress::-webkit-progress-value { background: var(--accent); box-shadow: 0 0 .6rem rgba(183,255,0,.45); transition: width 1.5s ease; }
.core-row progress::-moz-progress-bar { background: var(--accent); box-shadow: 0 0 .6rem rgba(183,255,0,.45); }
.core-row output { color: var(--ink); text-align: right; }
.scroll-marker { display: flex; align-items: center; gap: .8rem; color: var(--muted); font-size: .65rem; letter-spacing: .09em; }
.scroll-marker i { display: block; width: 4rem; height: 1px; background: var(--line); }
.depth-section { padding: clamp(5rem, 9vw, 9rem) clamp(1.25rem, 5vw, 6rem); }
.section-index { color: var(--accent); font-size: .72rem; letter-spacing: .12em; }
.section-intro h1, .section-heading h2 { margin: 12vh 0 0; font-family: var(--sans); font-size: clamp(3rem, 8vw, 8rem); line-height: .9; letter-spacing: -.065em; }
.depth-stack { max-width: 72rem; margin: 18vh 0 0 auto; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.depth-stack li { display: grid; grid-template-columns: 4rem 1fr auto; align-items: baseline; gap: 1rem; padding: 1.4rem 0; color: #353535; border-bottom: 1px solid var(--line); transition: color .5s, padding .4s; }
.depth-stack li.is-visible { color: var(--ink); padding-left: 1rem; }
.depth-stack span { font-size: .68rem; }
.depth-stack strong { font-family: var(--sans); font-size: clamp(1.8rem, 5vw, 5rem); letter-spacing: -.045em; }
.depth-stack em { color: var(--muted); font-size: .68rem; font-style: normal; }
.depth-stack .terminal-depth.is-visible { color: var(--accent); }

.terminal-section, .experiments-section { padding: clamp(5rem, 9vw, 9rem) clamp(1.25rem, 5vw, 6rem); border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: 1fr 3fr; gap: 2rem; align-items: start; }
.section-heading h2 { margin: 0; font-size: clamp(2.5rem, 6.5vw, 6.5rem); }
.terminal-shell { max-width: 72rem; margin: 12vh auto 0; border: 1px solid #333; background: #070707; box-shadow: 1rem 1rem 0 #0d0d0d; }
.terminal-bar { display: flex; align-items: center; gap: .45rem; min-height: 2.6rem; padding: 0 1rem; border-bottom: 1px solid #333; }
.terminal-bar span { width: .55rem; height: .55rem; border-radius: 50%; background: #333; }
.terminal-bar b { margin-left: auto; color: var(--muted); font-size: .65rem; font-weight: 400; }
.terminal-screen { min-height: 19rem; max-height: 30rem; overflow-y: auto; padding: 1.25rem; color: #c9c9c9; font-size: clamp(.78rem, 1.5vw, .95rem); line-height: 1.65; }
.terminal-screen p { margin: 0 0 .45rem; white-space: pre-wrap; overflow-wrap: anywhere; }
.terminal-screen mark { color: var(--accent); background: none; }
.terminal-screen .command { color: #fff; }
.terminal-screen .error { color: #ff5f57; }
.terminal-form { display: flex; gap: .55rem; padding: 1rem 1.25rem; border-top: 1px solid #242424; font-size: clamp(.78rem, 1.5vw, .95rem); }
.terminal-form label { flex: none; color: var(--accent); }
.terminal-form input { min-width: 0; flex: 1; border: 0; outline: 0; color: var(--ink); background: transparent; font: inherit; caret-color: var(--accent); }

.manifesto-section { padding: clamp(6rem, 12vw, 12rem) clamp(1.25rem, 5vw, 6rem); border-top: 1px solid var(--line); }
.manifesto-copy { max-width: 75rem; margin: 14vh auto 0; font-family: var(--sans); font-size: clamp(2rem, 5.3vw, 5.5rem); line-height: 1.05; letter-spacing: -.05em; }
.manifesto-copy p { margin: 0 0 1em; }
.manifesto-copy .muted { color: #4c4c4c; }
.manifesto-copy strong { color: var(--accent); font-weight: 900; }
.experiment-list { margin-top: 12vh; border-top: 1px solid var(--line); }
.experiment-list article { display: grid; grid-template-columns: 4rem 1fr auto; gap: 1.5rem; align-items: center; min-height: 9rem; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.experiment-list article > span { color: var(--muted); font-size: .7rem; }
.experiment-list h3 { margin: 0; font-family: var(--sans); font-size: clamp(1.5rem, 3.5vw, 3.5rem); letter-spacing: -.04em; }
.experiment-list p { margin: .35rem 0 0; color: var(--muted); font-size: .78rem; }
.experiment-list mark { padding: .45rem .65rem; color: var(--accent); border: 1px solid #375000; background: transparent; font-size: .62rem; letter-spacing: .08em; }

.crash-section { padding: clamp(6rem, 12vw, 12rem) clamp(1.25rem, 8vw, 10rem); background: var(--accent); color: #050505; }
.crash-box { border: 3px solid #050505; box-shadow: .8rem .8rem 0 #050505; }
.crash-title { display: grid; grid-template-columns: 3rem 1fr auto; align-items: center; min-height: 4rem; padding-right: 1rem; border-bottom: 3px solid #050505; font-size: .78rem; }
.crash-title span { display: grid; height: 100%; place-items: center; border-right: 3px solid #050505; font-size: 1.5rem; }
.crash-title strong { padding-left: 1rem; }
.crash-box dl { margin: 0; padding: clamp(1.5rem, 4vw, 4rem); }
.crash-box dl div + div { margin-top: 2.5rem; }
.crash-box dt { margin-bottom: .7rem; font-size: .68rem; font-weight: 700; }
.crash-box dd { margin: 0; font-family: var(--sans); font-size: clamp(1.3rem, 3vw, 3rem); font-weight: 800; letter-spacing: -.03em; }
.crash-box code { font-family: var(--mono); font-size: clamp(.8rem, 1.4vw, 1rem); font-weight: 400; line-height: 1.7; }
.button-crash { margin: 0 0 2rem clamp(1.5rem, 4vw, 4rem); border-color: #050505; }
.button-crash:hover, .button-crash:focus-visible { color: var(--accent); background: #050505; }

footer { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; padding: clamp(5rem, 9vw, 9rem) clamp(1.25rem, 5vw, 6rem) 2rem; }
.footer-brand { font-family: var(--sans); font-size: clamp(2.6rem, 7vw, 7rem); font-weight: 900; letter-spacing: -.06em; text-decoration: none; }
footer p { margin: .5rem 0; color: var(--muted); font-size: .75rem; line-height: 1.7; }
footer nav { display: flex; flex-direction: column; gap: .75rem; font-size: .75rem; }
footer nav a:hover, footer nav a:focus-visible { color: var(--accent); }
footer small { grid-column: 1 / -1; margin-top: 8rem; color: #4c4c4c; font-size: .62rem; }
.toast { position: fixed; z-index: 20; right: 1.5rem; bottom: 1.5rem; max-width: calc(100% - 3rem); padding: 1rem 1.2rem; color: #050505; background: var(--accent); font-size: .75rem; opacity: 0; transform: translateY(1rem); pointer-events: none; transition: opacity .2s, transform .2s; }
.toast.show { opacity: 1; transform: none; }
.god-mode { position: fixed; z-index: 30; inset: 0; display: grid; place-content: center; color: #050505; background: var(--accent); text-align: center; opacity: 0; pointer-events: none; transition: opacity .25s; }
.god-mode.show { opacity: 1; }
.god-mode span { font-family: var(--sans); font-size: clamp(3rem, 10vw, 9rem); font-weight: 900; letter-spacing: -.07em; }
.god-mode small { margin-top: 1rem; font-size: .7rem; }

@keyframes pulse { 50% { opacity: .3; transform: scale(.75); } }
@media (max-width: 760px) {
  .system-strip span:nth-child(even) { display: none; }
  .wordmark { font-size: clamp(5rem, 29vw, 9rem); }
  .hero-content { padding-bottom: 18rem; }
  .core-monitor { right: 1.25rem; bottom: 4rem; left: 1.25rem; width: auto; }
  .scroll-marker { display: none; }
  .section-heading { grid-template-columns: 1fr; }
  .depth-stack li { grid-template-columns: 2rem 1fr; }
  .depth-stack em { grid-column: 2; }
  .experiment-list article { grid-template-columns: 2rem 1fr; padding: 1.5rem 0; }
  .experiment-list mark { grid-column: 2; justify-self: start; }
  footer { grid-template-columns: 1fr; }
  footer small { grid-column: auto; margin-top: 3rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}