:root {
  color-scheme: dark;
  --ink: #f4f2f0;
  --muted: #aaa6ad;
  --dim: #77737c;
  --black: #070708;
  --panel: #0b0b0d;
  --line: rgba(255,255,255,.14);
  --soft-line: rgba(255,255,255,.07);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 78% 12%, rgba(255,255,255,.055), transparent 25rem),
    radial-gradient(circle at 12% 72%, rgba(255,255,255,.025), transparent 34rem),
    var(--black);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow-x: hidden;
}

a { color: inherit; }
::selection { background: var(--ink); color: var(--black); }

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  height: 4.5rem;
  padding: 0 clamp(1.5rem, 4vw, 4rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(to bottom, rgba(7,7,8,.94), rgba(7,7,8,0));
  pointer-events: none;
}
.site-header a { pointer-events: auto; text-decoration: none; }
.wordmark { font-size: .68rem; font-weight: 800; letter-spacing: .28em; }
.site-header nav { display: flex; gap: clamp(.8rem, 2.5vw, 2.5rem); }
.site-header nav a { color: var(--muted); font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; transition: color .2s ease; }
.site-header nav a:hover { color: var(--ink); }

.hero, .section, .closing { min-height: 100svh; padding: clamp(5.5rem, 8vw, 8rem) clamp(1.5rem, 6vw, 6rem); max-width: 110rem; margin: 0 auto; }
.hero { position: relative; display: flex; flex-direction: column; justify-content: center; }
.hero::before { content: ""; position: absolute; width: min(42rem, 65vw); aspect-ratio: 1; right: -16rem; top: 8%; border: 1px solid var(--soft-line); border-radius: 50%; box-shadow: 0 0 8rem rgba(255,255,255,.025), inset 0 0 8rem rgba(255,255,255,.015); pointer-events: none; }
.hero-copy { position: relative; z-index: 1; }
.eyebrow { margin: 0 0 1.25rem; font-size: .72rem; letter-spacing: .34em; color: var(--muted); }

h1 { margin: 0; max-width: 10ch; font-size: clamp(4.2rem, 13vw, 12rem); line-height: .78; letter-spacing: -.075em; font-weight: 800; }
.principle { margin: clamp(2rem, 5vw, 4.5rem) 0 0; font-size: clamp(1.1rem, 2vw, 1.65rem); letter-spacing: .01em; }
.intro { margin: 1.25rem 0 0; max-width: 46rem; color: var(--muted); font-size: clamp(1rem, 1.5vw, 1.2rem); line-height: 1.7; }
.enter, .back-top { width: fit-content; display: inline-block; color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line); padding-bottom: .45rem; font-size: .9rem; letter-spacing: .08em; }
.enter { margin-top: clamp(3rem, 8vh, 7rem); }
.enter span { margin-left: .75rem; }

.mark { position: absolute; right: clamp(2rem, 7vw, 8rem); top: clamp(5.5rem, 9vw, 8rem); display: flex; align-items: center; gap: .45rem; opacity: .75; }
.mark span { display: block; }
.mark .human { width: 2.5rem; height: 1px; background: var(--ink); transform: rotate(-10deg); }
.mark .meeting { width: .42rem; height: .42rem; border-radius: 50%; background: var(--ink); box-shadow: 0 0 1.5rem rgba(255,255,255,.55); }
.mark .machine { width: 2.5rem; height: 1px; background: repeating-linear-gradient(90deg, var(--ink) 0 .32rem, transparent .32rem .52rem); }
.side-note { position: absolute; right: clamp(1.5rem, 4vw, 4rem); bottom: 4rem; margin: 0; writing-mode: vertical-rl; font-size: .6rem; letter-spacing: .28em; color: var(--dim); }

.section { position: relative; display: grid; grid-template-columns: minmax(3rem, 8rem) minmax(0, 1fr); gap: clamp(1rem, 5vw, 6rem); align-items: center; border-top: 1px solid var(--line); }
.section-number { align-self: start; padding-top: .35rem; color: var(--dim); font-size: .7rem; letter-spacing: .2em; }
.section-copy { max-width: 58rem; }
.section-copy.wide { max-width: none; width: 100%; }
h2 { margin: 0; max-width: 12ch; font-size: clamp(3rem, 8vw, 7.5rem); line-height: .92; letter-spacing: -.055em; }
.section-copy > p:not(.eyebrow):not(.signature):not(.lead) { max-width: 46rem; margin: 1.35rem 0 0; color: var(--muted); font-size: clamp(1rem, 1.45vw, 1.2rem); line-height: 1.75; }
.section-copy .lead { max-width: 50rem; margin: 2.5rem 0 0; color: var(--ink); font-size: clamp(1.25rem, 2.2vw, 1.9rem); line-height: 1.45; }
.signature { margin-top: 4rem; font-size: 1rem; letter-spacing: .15em; text-transform: uppercase; }
.signature span { color: var(--muted); margin: 0 .65rem; }
.belief blockquote { margin: clamp(3rem, 7vw, 6rem) 0 0; padding: 0 0 0 clamp(1.25rem, 3vw, 2.5rem); border-left: 1px solid var(--ink); max-width: 52rem; }
.belief blockquote p { margin: 0; font-size: clamp(1.45rem, 3vw, 2.6rem); line-height: 1.35; letter-spacing: -.025em; }

.build-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: clamp(3rem, 7vw, 6rem); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.build-grid article { min-height: 22rem; padding: 2rem clamp(1.25rem, 3vw, 2.5rem) 2.5rem; border-right: 1px solid var(--line); display: flex; flex-direction: column; }
.build-grid article:first-child { padding-left: 0; }
.build-grid article:last-child { border-right: 0; }
.card-number { margin: 0 0 auto; color: var(--dim); font-size: .7rem; letter-spacing: .2em; }
h3 { margin: 3rem 0 1rem; font-size: clamp(1.8rem, 3vw, 2.8rem); letter-spacing: -.04em; }
.build-grid article > p:last-child { margin: 0; color: var(--muted); line-height: 1.65; font-size: .98rem; }

.signal-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: clamp(3rem, 7vw, 6rem); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.signal { position: relative; min-height: 19rem; padding: 2rem clamp(1.5rem, 3vw, 3rem); display: flex; flex-direction: column; justify-content: flex-end; text-decoration: none; overflow: hidden; }
.signal:first-child { border-right: 1px solid var(--line); }
.signal.live::before { content: ""; position: absolute; width: 15rem; height: 15rem; border-radius: 50%; right: -8rem; top: -8rem; border: 1px solid var(--soft-line); box-shadow: 0 0 5rem rgba(255,255,255,.035); transition: transform .35s ease; }
.signal.live:hover::before { transform: scale(1.12); }
.signal-status { position: absolute; top: 2rem; left: clamp(1.5rem, 3vw, 3rem); color: var(--dim); font-size: .62rem; letter-spacing: .22em; }
.signal strong { font-size: clamp(2.4rem, 5vw, 5rem); letter-spacing: -.055em; line-height: 1; }
.signal-copy { margin-top: 1rem; max-width: 30rem; color: var(--muted); line-height: 1.6; }
.signal-arrow { position: absolute; right: clamp(1.5rem, 3vw, 3rem); bottom: 2rem; color: var(--muted); font-size: 1.4rem; transition: transform .2s ease, color .2s ease; }
.signal.live:hover .signal-arrow { transform: translate(.2rem, -.2rem); color: var(--ink); }
.signal-dot { position: absolute; right: clamp(1.5rem, 3vw, 3rem); bottom: 2.35rem; width: .45rem; height: .45rem; border-radius: 50%; border: 1px solid var(--dim); }

.closing { border-top: 1px solid var(--line); display: flex; flex-direction: column; justify-content: center; }
.closing-line { margin: 0; font-size: clamp(3.8rem, 10vw, 10rem); line-height: .9; letter-spacing: -.065em; font-weight: 750; }
.closing-line strong { font-weight: 800; }
.back-top { margin-top: clamp(3rem, 8vh, 6rem); color: var(--muted); }
footer { max-width: 110rem; margin: 0 auto; padding: 2rem clamp(1.5rem, 6vw, 6rem) 3rem; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 2rem; color: var(--dim); font-size: .62rem; letter-spacing: .2em; }
footer a { text-decoration: none; }

/* Deeper rooms */
.inner-page { background: radial-gradient(circle at 85% 8%, rgba(255,255,255,.05), transparent 28rem), var(--black); }
.page-hero, .identity-hero { min-height: 82svh; max-width: 110rem; margin: 0 auto; padding: clamp(9rem, 14vw, 14rem) clamp(1.5rem, 6vw, 6rem) clamp(5rem, 9vw, 9rem); display: flex; flex-direction: column; justify-content: flex-end; border-bottom: 1px solid var(--line); }
.page-hero h1, .identity-hero h1 { max-width: 12ch; font-size: clamp(4rem, 11vw, 10rem); line-height: .84; }
.page-intro { max-width: 52rem; margin: clamp(2rem, 4vw, 4rem) 0 0; color: var(--muted); font-size: clamp(1.15rem, 2vw, 1.6rem); line-height: 1.65; }
.identity-hero { position: relative; overflow: hidden; }
.identity-hero::after { content: ""; position: absolute; width: min(35rem, 60vw); aspect-ratio: 1; right: -10rem; top: 15%; border-radius: 50%; border: 1px solid var(--soft-line); box-shadow: 0 0 7rem rgba(255,255,255,.025); }
.machine-page::after { border-radius: 0; transform: rotate(45deg); background: repeating-linear-gradient(90deg, transparent 0 1.4rem, rgba(255,255,255,.018) 1.4rem 1.45rem); }

.story-stream { max-width: 110rem; margin: 0 auto; }
.story-beat { min-height: 72svh; padding: clamp(5rem, 9vw, 9rem) clamp(1.5rem, 6vw, 6rem); border-bottom: 1px solid var(--line); display: grid; grid-template-columns: minmax(3rem, 8rem) minmax(0, 54rem); gap: clamp(1.5rem, 6vw, 7rem); align-items: center; }
.story-index { align-self: start; color: var(--dim); font-size: .68rem; letter-spacing: .2em; }
.story-beat h2 { max-width: 13ch; font-size: clamp(2.7rem, 6vw, 6rem); }
.story-beat p:not(.eyebrow) { max-width: 46rem; color: var(--muted); font-size: clamp(1.05rem, 1.5vw, 1.25rem); line-height: 1.8; }

.identity-body { max-width: 110rem; margin: 0 auto; padding: clamp(5rem, 10vw, 10rem) clamp(1.5rem, 6vw, 6rem); display: grid; grid-template-columns: minmax(7rem, 14rem) minmax(0, 50rem); gap: clamp(2rem, 8vw, 10rem); border-bottom: 1px solid var(--line); }
.identity-body aside { display: flex; flex-direction: column; gap: .8rem; color: var(--dim); font-size: .62rem; letter-spacing: .24em; }
.prose .lead { margin-top: 0; color: var(--ink); font-size: clamp(1.45rem, 2.8vw, 2.4rem); line-height: 1.45; }
.prose > p:not(.lead) { color: var(--muted); font-size: clamp(1.05rem, 1.4vw, 1.2rem); line-height: 1.85; }
.prose h2 { max-width: 14ch; margin: clamp(5rem, 9vw, 8rem) 0 2rem; font-size: clamp(2.6rem, 5vw, 5rem); }
.prose blockquote { margin: clamp(4rem, 8vw, 7rem) 0; padding-left: clamp(1.5rem, 4vw, 3rem); border-left: 1px solid var(--ink); }
.prose blockquote p { margin: 0; font-size: clamp(1.5rem, 3vw, 2.8rem); line-height: 1.4; letter-spacing: -.03em; }

.manifesto { max-width: 110rem; margin: 0 auto; padding: clamp(5rem, 10vw, 10rem) clamp(1.5rem, 6vw, 6rem); }
.manifesto-line { margin: 0; padding: clamp(1.5rem, 3vw, 3rem) 0; border-bottom: 1px solid var(--soft-line); color: var(--muted); font-size: clamp(1.5rem, 4vw, 4rem); line-height: 1.15; letter-spacing: -.035em; }
.manifesto-line.final { color: var(--ink); font-size: clamp(2.2rem, 6vw, 6.5rem); padding-top: clamp(4rem, 8vw, 8rem); }
.principles-grid, .architecture-grid { max-width: 110rem; margin: 0 auto; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.principles-grid article, .architecture-grid article { min-height: 24rem; padding: clamp(2rem, 5vw, 5rem); border-bottom: 1px solid var(--line); }
.principles-grid article:nth-child(odd), .architecture-grid article:nth-child(odd) { border-right: 1px solid var(--line); }
.principles-grid article > span, .architecture-grid article > span { color: var(--dim); font-size: .65rem; letter-spacing: .2em; }
.principles-grid h2, .architecture-grid h3 { margin: 5rem 0 1.5rem; max-width: 12ch; font-size: clamp(2rem, 4vw, 4rem); }
.principles-grid p, .architecture-grid p { max-width: 34rem; color: var(--muted); line-height: 1.75; }
.architecture-grid { margin: clamp(5rem, 9vw, 8rem) 0; }
.architecture-grid article { min-height: 20rem; padding: clamp(2rem, 4vw, 4rem); }
.architecture-grid h3 { margin-top: 3.5rem; }

.page-next { max-width: 110rem; margin: 0 auto; padding: clamp(5rem, 9vw, 9rem) clamp(1.5rem, 6vw, 6rem); }
.next-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.next-grid.single { grid-template-columns: minmax(0, 1fr); max-width: 54rem; }
.next-grid a { position: relative; min-height: 15rem; padding: 2rem; display: flex; flex-direction: column; justify-content: flex-end; text-decoration: none; }
.next-grid a:first-child:not(:only-child) { border-right: 1px solid var(--line); }
.next-grid a span { position: absolute; top: 2rem; color: var(--dim); font-size: .65rem; letter-spacing: .2em; text-transform: uppercase; }
.next-grid a strong { font-size: clamp(2rem, 4vw, 4rem); letter-spacing: -.05em; }
.next-grid a b { position: absolute; right: 2rem; bottom: 2.3rem; color: var(--muted); font-weight: 400; transition: transform .2s ease; }
.next-grid a:hover b { transform: translateX(.35rem); }

/* Mailing list + Journal */
.signup-form{max-width:46rem;margin-top:clamp(3rem,7vw,5rem)}.signup-form>label{display:block;margin-bottom:.7rem;color:var(--muted);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase}.signup-form>div{display:flex;border-bottom:1px solid var(--ink)}.signup-form input{min-width:0;flex:1;border:0;background:transparent;color:var(--ink);font:inherit;font-size:clamp(1.1rem,2vw,1.5rem);padding:1rem 0;outline:none}.signup-form button{border:0;background:transparent;color:var(--ink);font:inherit;font-weight:700;cursor:pointer;padding:1rem 0 1rem 1.5rem}.signup-form>p{color:var(--dim);font-size:.78rem}.signup-honeypot{position:absolute!important;left:-10000px!important}.message-page{min-height:calc(100vh - 6rem);max-width:70rem;margin:0 auto;padding:clamp(10rem,18vw,16rem) clamp(1.5rem,6vw,6rem) 6rem}.message-page h1{max-width:10ch;font-size:clamp(3.5rem,10vw,8rem)}.message-page>p:not(.eyebrow){max-width:40rem;color:var(--muted);font-size:1.2rem;line-height:1.7}.message-page button{border:1px solid var(--ink);background:var(--ink);color:var(--black);font:inherit;font-weight:700;padding:.9rem 1.2rem;cursor:pointer}
.journal-hero{min-height:78svh;max-width:110rem;margin:0 auto;padding:clamp(10rem,15vw,15rem) clamp(1.5rem,6vw,6rem) 5rem;display:flex;flex-direction:column;justify-content:flex-end;border-bottom:1px solid var(--line)}.journal-hero h1{max-width:none;font-size:clamp(4rem,12vw,11rem)}.journal-hero>p:last-child{max-width:44rem;color:var(--muted);font-size:clamp(1.1rem,2vw,1.5rem);line-height:1.7}.journal-archive{max-width:110rem;margin:0 auto;padding:0 clamp(1.5rem,6vw,6rem) clamp(6rem,10vw,10rem)}.journal-entry a{position:relative;display:block;padding:clamp(2.5rem,6vw,5rem) 0;border-bottom:1px solid var(--line);text-decoration:none}.journal-entry h2{max-width:15ch;font-size:clamp(2.5rem,7vw,6rem)}.journal-entry b{position:absolute;right:0;bottom:clamp(2.5rem,6vw,5rem);font-size:1.5rem;font-weight:400}.journal-tags{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:1.5rem}.journal-tags span{border:1px solid var(--line);padding:.35rem .6rem;color:var(--muted);font-size:.68rem;letter-spacing:.08em}.journal-post{max-width:70rem;margin:0 auto;padding:clamp(10rem,16vw,15rem) clamp(1.5rem,6vw,6rem) 7rem}.journal-post>header{padding-bottom:clamp(3rem,7vw,6rem);border-bottom:1px solid var(--line)}.journal-post h1{max-width:12ch;font-size:clamp(3.7rem,10vw,8rem)}.journal-meta{display:flex;gap:1rem;margin-top:2rem;color:var(--muted)}.journal-meta span:after{content:"·";margin-left:1rem}.journal-body{max-width:48rem;padding:clamp(3rem,8vw,7rem) 0;color:var(--muted);font-size:clamp(1.05rem,1.7vw,1.25rem);line-height:1.85}.journal-body h2,.journal-body h3{max-width:15ch;color:var(--ink);font-size:clamp(2rem,5vw,4rem);margin:4rem 0 1.5rem}.journal-body blockquote{border-left:1px solid var(--ink);padding-left:2rem;color:var(--ink);font-size:1.35em}.journal-back{border-top:1px solid var(--line);padding-top:2rem}

@media (max-width: 800px) {
  .site-header nav { gap: .8rem; }
  .site-header nav a { font-size: .6rem; }
  .side-note { display: none; }
  .section { grid-template-columns: 1fr; gap: 2rem; align-content: center; }
  .section-number { padding: 0; }
  .build-grid, .signal-grid, .principles-grid, .architecture-grid, .next-grid { grid-template-columns: 1fr; }
  .build-grid article, .build-grid article:first-child { min-height: 0; padding: 1.75rem 0 2rem; border-right: 0; border-bottom: 1px solid var(--line); }
  .build-grid article:last-child { border-bottom: 0; }
  .card-number { margin-bottom: 2rem; }
  h3 { margin-top: 0; }
  .signal { min-height: 16rem; padding: 2rem 0; }
  .signal:first-child { border-right: 0; border-bottom: 1px solid var(--line); }
  .signal-status { left: 0; }
  .signal-arrow, .signal-dot { right: 0; }
  .story-beat, .identity-body { grid-template-columns: 1fr; gap: 2.5rem; }
  .story-beat { min-height: 0; }
  .identity-body aside { flex-direction: row; flex-wrap: wrap; }
  .principles-grid article:nth-child(odd), .architecture-grid article:nth-child(odd), .next-grid a:first-child:not(:only-child) { border-right: 0; }
  .principles-grid article, .architecture-grid article, .next-grid a { border-bottom: 1px solid var(--line); }
}

@media (max-width: 640px) {
  .site-header { padding: 0 1.25rem; }
  .site-header nav a:nth-child(2), .site-header nav a:nth-child(3), .site-header nav a:nth-child(4) { display: none; }
  .hero, .section, .closing { padding-left: 1.5rem; padding-right: 1.5rem; }
  .mark { right: 1.5rem; top: 5.5rem; }
  h1 { font-size: clamp(4rem, 22vw, 7rem); }
  .intro br { display: none; }
  footer { padding-left: 1.5rem; padding-right: 1.5rem; }
  .page-hero, .identity-hero { min-height: 72svh; }
  .page-hero h1, .identity-hero h1 { font-size: clamp(3.8rem, 18vw, 6.5rem); }
  .signup-form>div{display:block}.signup-form button{display:block;padding-left:0}.journal-meta{display:block}.journal-meta span:after{content:"";margin:0}.journal-entry b{display:none}
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}