/* Layout: an institutional black-and-white site that is also a deck. Every top-level section is a numbered slide; Present mode snaps one slide per screen with keyboard control. Product stories are told through UI mockups (synthetic data) that slide in on scroll. */
:root {
  --bg: #ffffff; --panel: #f4f4f4; --ink: #000000; --ink-2: #575757; --ink-3: #8a8a8a; --rule: #e1e1e1;
  --dark: #000000; --dark-2: #0d0d0d; --on-dark: #ffffff; --on-dark-2: #b3b3b3; --dark-rule: #2a2a2a;
  --font-sans: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --ease: cubic-bezier(.2,.7,.2,1);
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 68px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-sans); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; font-feature-settings: "tnum" 1; }
.wrap { max-width: 1240px; margin: 0 auto; padding-inline: clamp(16px, 4vw, 48px); }
a { color: inherit; }
h1, h2, h3 { margin: 0; text-wrap: balance; }
p { margin: 0; }
.eyebrow { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); }
.dk { background: var(--dark); color: var(--on-dark); }
.dk .eyebrow, .dk .lead { color: var(--on-dark-2); }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: #fff; color: #000; padding: 8px 12px; z-index: 100; }
:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }

/* progress */
.progress { position: fixed; top: 0; left: 0; height: 2px; width: 0; background: #fff; mix-blend-mode: difference; z-index: 60; }

/* nav */
.nav { position: sticky; top: 0; z-index: 50; background: var(--dark); color: var(--on-dark); border-bottom: 1px solid var(--dark-rule); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 64px; position: relative; }
.brand { display: inline-flex; align-items: baseline; gap: 10px; text-decoration: none; }
.brand b { font-weight: 700; font-size: 21px; letter-spacing: -0.02em; text-transform: uppercase; }
.brand span { font-size: 11.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--on-dark-2); }
.menu { display: flex; gap: 24px; align-items: center; }
.menu a, .menu button.link { font: inherit; font-size: 14px; font-weight: 500; text-decoration: none; color: var(--on-dark-2); background: none; border: 0; cursor: pointer; position: relative; padding: 6px 0; }
.menu a:hover, .menu button.link:hover { color: var(--on-dark); }
.menu a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform .2s ease; }
.menu a:hover::after { transform: scaleX(1); }
.menu .present { color: var(--on-dark); border: 1px solid var(--dark-rule); padding: 8px 14px; display: inline-flex; gap: 8px; align-items: center; }
.menu .present:hover { border-color: var(--on-dark); }
.menu .cta { color: var(--dark); background: var(--on-dark); padding: 8px 16px; }
.menu .cta::after { display: none; }
.menu .cta:hover { color: var(--dark); background: #d9d9d9; }
.toggle { display: none; background: none; border: 1px solid var(--dark-rule); color: var(--on-dark); font: inherit; font-size: 14px; padding: 8px 14px; cursor: pointer; }
@media (max-width: 1020px) {
  .toggle { display: inline-block; }
  .menu { display: none; position: absolute; left: 0; right: 0; top: 100%; background: var(--dark); flex-direction: column; align-items: stretch; gap: 0; padding: 8px clamp(16px, 4vw, 48px) 20px; border-bottom: 1px solid var(--dark-rule); }
  .menu.open { display: flex; }
  .menu a, .menu button.link { padding: 14px 0; border-bottom: 1px solid var(--dark-rule); font-size: 16px; text-align: left; }
  .menu .present, .menu .cta { margin-top: 12px; justify-content: center; padding: 14px; }
}

/* slides */
.slide { position: relative; overflow-x: clip; border-bottom: 1px solid var(--rule); padding-block: clamp(64px, 9vw, 120px); }
.slide.dk { border-bottom-color: var(--dark-rule); }
.slide.alt { background: var(--panel); }
.snum { position: absolute; top: clamp(18px, 3vw, 28px); right: clamp(16px, 4vw, 48px); font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; color: var(--ink-3); }
.dk .snum { color: var(--on-dark-2); }
.slide h2 { font-weight: 600; font-size: clamp(32px, 4.4vw, 60px); line-height: 1.03; letter-spacing: -0.038em; margin-top: 14px; }
.slide h2 em { font-style: normal; font-weight: 300; color: var(--ink-3); }
.dk h2 em { color: var(--on-dark-2); }
.lead { color: var(--ink-2); font-size: clamp(17px, 1.4vw, 19px); max-width: 40em; }
.lead + .lead { margin-top: 16px; }
.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 40px clamp(32px, 6vw, 96px); align-items: center; }
.split.top { align-items: start; }
.status { display: inline-block; justify-self: start; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.08em; text-transform: uppercase; padding: 4px 10px; border: 1px solid currentColor; }
.status.plan { border-style: dashed; }
.more { display: inline-flex; align-items: center; gap: 10px; margin-top: 20px; font-weight: 600; font-size: 15px; text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 2px; transition: gap .2s ease; }
.more:hover { gap: 14px; }

/* reveal transitions */
.js [data-r] { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: calc(var(--d, 0) * 90ms); }
.js [data-r="l"] { transform: translateX(-36px); }
.js [data-r="r"] { transform: translateX(36px); }
.js [data-r="s"] { transform: scale(.96); }
.js [data-r].in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js [data-r] { opacity: 1; transform: none; transition: none; } }

/* hero */
.hero { padding-block: clamp(72px, 10vw, 130px) clamp(56px, 7vw, 90px); overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 64px 64px; -webkit-mask-image: radial-gradient(ellipse at 75% 30%, #000 15%, transparent 70%); mask-image: radial-gradient(ellipse at 75% 30%, #000 15%, transparent 70%); }
.hero .wrap { position: relative; }
.hero h1 { font-weight: 600; font-size: clamp(46px, 8vw, 112px); line-height: .98; letter-spacing: -0.048em; max-width: 13ch; margin-top: 18px; }
.or { font-family: var(--font-mono); font-size: 13px; letter-spacing: .2em; text-transform: uppercase; color: var(--on-dark-2); margin: 20px 0 12px; display: flex; align-items: center; gap: 14px; }
.or::after { content: ""; flex: 0 0 64px; height: 1px; background: var(--dark-rule); }
.h1b { font-weight: 300; font-size: clamp(32px, 5.2vw, 70px); line-height: 1.04; letter-spacing: -0.035em; color: var(--on-dark-2); max-width: 18ch; }
.hero .tag { margin-top: 28px; max-width: 40em; font-size: clamp(17px, 1.5vw, 20px); color: var(--on-dark-2); }
.hero .ctas { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.btn { display: inline-flex; align-items: center; gap: 12px; min-height: 50px; padding: 13px 24px; font-weight: 600; font-size: 15.5px; text-decoration: none; border: 1px solid currentColor; background: none; color: inherit; cursor: pointer; font-family: inherit; }
.btn.solid { background: var(--on-dark); color: var(--dark); border-color: var(--on-dark); }
.btn.solid:hover { background: transparent; color: var(--on-dark); }
.btn.ghost:hover { background: var(--on-dark); color: var(--dark); }

/* product still (hero) */
.still { margin-top: clamp(48px, 7vw, 80px); border: 1px solid var(--dark-rule); background: var(--dark-2); display: grid; grid-template-columns: 210px minmax(0, 1fr); min-height: 360px; }
.still aside { border-right: 1px solid var(--dark-rule); padding: 18px 16px; display: grid; gap: 4px; align-content: start; font-size: 13.5px; color: var(--on-dark-2); }
.still aside b { color: var(--on-dark); font-weight: 600; font-size: 13px; letter-spacing: .02em; margin-bottom: 10px; }
.still aside span { padding: 7px 10px; }
.still aside span.on { background: #1d1d1d; color: var(--on-dark); }
.still main { padding: 22px 24px; display: grid; gap: 18px; align-content: start; }
.still .bar { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-family: var(--font-mono); font-size: 12px; color: var(--on-dark-2); }
.still h3 { font-weight: 600; font-size: 20px; letter-spacing: -.02em; }
.still .summary { color: var(--on-dark-2); font-size: 14.5px; max-width: 60ch; }
.acts { display: grid; gap: 8px; }
.act { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 12px; align-items: center; border: 1px solid var(--dark-rule); padding: 12px 14px; font-size: 14px; }
.act small { display: block; color: var(--on-dark-2); font-size: 12.5px; }
.pill { font-family: var(--font-mono); font-size: 11px; letter-spacing: .04em; padding: 4px 10px; border: 1px solid var(--on-dark); white-space: nowrap; }
.pill.fill { background: var(--on-dark); color: var(--dark); }
.ask { border: 1px solid var(--dark-rule); padding: 11px 14px; font-size: 13.5px; color: var(--on-dark-2); display: flex; justify-content: space-between; }

/* figures */
.figs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--ink); margin-top: 48px; }
.fig { padding: 26px 22px 6px 0; display: grid; gap: 8px; align-content: start; }
.fig + .fig { border-left: 1px solid var(--rule); padding-left: 22px; }
.fig b { font-weight: 600; font-size: clamp(32px, 4vw, 56px); letter-spacing: -.04em; line-height: 1; white-space: nowrap; }
.fig span { font-size: 14px; color: var(--ink-2); }
.note { margin-top: 20px; font-size: 12.5px; color: var(--ink-3); max-width: 60em; }

/* problem: hub diagram */
.hub2 a { cursor: pointer; }
.hub2 a rect { transition: fill .2s ease; }
.hub2 a:hover rect, .hub2 a:focus-visible rect { fill: var(--ink); }
.hub2 a:hover text, .hub2 a:focus-visible text { fill: #fff; }
.hublist a { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 2px 12px; text-decoration: none; }
.hublist a span { grid-column: 1; }
.hublist a i { grid-column: 2; grid-row: 1 / span 2; align-self: center; font-style: normal; }
.hubtip { font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); margin-top: 20px; }
html.deck .hubtip { display: none; }
html.deck #services .svc p { display: none; }
html.deck #services .services { margin-top: 24px; }
html.deck #services .svc { gap: 10px; }
html.deck a.more[href="/implantos"], html.deck a.more[href="/practiceos"], html.deck a.more[href="/robotos"] { display: none; }

.hub.hub2 { aspect-ratio: auto; max-width: none; margin-top: 36px; }
.hub.hub2 svg { height: auto; }
.hub.hub2 line { stroke-dasharray: 600; stroke-width: 1.4; }
.js .hub.hub2 line { stroke-dashoffset: 600; }
.js .hub.hub2.in line { stroke-dashoffset: 0; }
.hub2 rect { fill: #fff; stroke: var(--ink); }
.hub2 rect.cb { fill: var(--ink); }
.hub2 .t { font-size: 15.5px; font-weight: 600; }
.hub2 .s { font-size: 13px; fill: var(--ink-2); }
.hub2 .ct { font-size: 20px; font-weight: 700; fill: #fff; }
.hub2 .cs { font-size: 13px; fill: #bbb; }
.hub.hub2 .cm { fill: #fff; font-size: 10.5px; letter-spacing: .14em; }
.hublist { display: none; list-style: none; margin: 28px 0 0; padding: 0; border-top: 1px solid var(--ink); }
.hublist li { border-bottom: 1px solid var(--rule); padding: 12px 0; display: grid; gap: 2px; }
.hublist b { font-weight: 600; font-size: 16px; }
.hublist span { color: var(--ink-2); font-size: 14px; }
.hubnote { font-weight: 600; font-size: 18px; margin: 28px 0 0; max-width: 44em; }
.points4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 760px) { .hub2 { display: none; } .hublist { display: block; } .points4 { grid-template-columns: minmax(0,1fr); } }
html.deck #problem .points4 { display: none; }
html.deck #problem .hub.hub2 { margin-top: 16px; max-width: 760px; margin-inline: auto; }
html.deck #problem .lead { display: none; }
html.deck #problem .hubnote { margin-top: 16px; font-size: 16px; }

.hub { position: relative; aspect-ratio: 1 / 1; max-width: 520px; margin-inline: auto; width: 100%; }
.hub svg { width: 100%; height: 100%; display: block; }
.hub text { font-family: var(--font-sans); font-size: 13px; fill: var(--ink); }
.hub .mono { font-family: var(--font-mono); font-size: 11px; fill: var(--ink-3); letter-spacing: .08em; }
.hub line { stroke: var(--ink); stroke-width: 1; stroke-dasharray: 4 5; }
.js .hub line { stroke-dashoffset: 200; transition: stroke-dashoffset 1.6s var(--ease); }
.js .hub.in line { stroke-dashoffset: 0; }

.points { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 40px; margin-top: 28px; }
.point { border-top: 1px solid var(--rule); padding: 18px 0; display: grid; gap: 4px; }
.point h3 { font-weight: 600; font-size: 17px; }
.point p { color: var(--ink-2); font-size: 15px; }
html.deck #problem .point { padding: 10px 0; }
html.deck #problem .points { margin-top: 12px; }
html.deck #problem .lead { font-size: 15px; }

/* services */
.services { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--ink); margin-top: 48px; border: 1px solid var(--ink); }
.svc { background: var(--panel); padding: clamp(20px, 2vw, 28px); display: grid; gap: 14px; align-content: start; text-decoration: none; }
@media (max-width: 1100px) and (min-width: 761px) { .services { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.svc .k { font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); letter-spacing: .1em; }
.svc h3 { font-weight: 600; font-size: clamp(24px, 2vw, 28px); letter-spacing: -.03em; }
.svc p { color: var(--ink-2); font-size: 15px; }
.svc .more { justify-self: start; margin-top: 6px; }
.svc.dkc { background: var(--dark); color: var(--on-dark); }
.svc.dkc p, .svc.dkc .k { color: var(--on-dark-2); }
.later { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; align-items: center; }
.later span { font-size: 14px; padding: 8px 12px; border: 1px dashed var(--ink-3); color: var(--ink-2); }

/* mockup cards (light) */
.mock { background: #fff; border: 1px solid var(--ink); box-shadow: 12px 12px 0 var(--ink); }
.mock-h { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; padding: 12px 18px; border-bottom: 1px solid var(--ink); background: var(--panel); }
.dots { display: flex; gap: 6px; }
.dots i { width: 9px; height: 9px; border: 1px solid var(--ink); border-radius: 50%; display: block; }
.mock-b { padding: 18px; }
.mock ol, .mock ul { list-style: none; margin: 0; padding: 0; }
.row { display: grid; grid-template-columns: 30px minmax(0, 1fr) auto; gap: 10px; align-items: center; padding-block: 11px; border-bottom: 1px solid var(--rule); font-size: 14.5px; }
.row:last-child { border-bottom: 0; }
.row .i { font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); }
.chip { font-family: var(--font-mono); font-size: 11px; padding: 3px 9px; white-space: nowrap; border: 1px solid var(--rule); color: var(--ink-2); }
.chip.ok { background: var(--panel); color: var(--ink); border-color: var(--panel); }
.chip.block { background: var(--ink); color: #fff; border-color: var(--ink); }
.chip.wait { border-style: dashed; border-color: var(--ink-3); }
.foot { margin-top: 10px; font-family: var(--font-mono); font-size: 12px; color: var(--ink-2); }

.mockgrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.mockgrid .mock:nth-child(2) { margin-top: 48px; }
.sched { display: grid; grid-template-columns: 60px repeat(5, minmax(0, 1fr)); font-size: 12px; border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); }
.sched > * { border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); padding: 7px 6px; min-height: 34px; }
.sched .h { font-family: var(--font-mono); font-size: 11px; color: var(--ink-3); background: var(--panel); }
.sched .b { background: var(--ink); color: #fff; font-size: 11.5px; }
.sched .g { background: var(--panel); font-size: 11.5px; }
.gauge { display: grid; gap: 10px; }
.gauge div { display: grid; grid-template-columns: 110px minmax(0, 1fr) 42px; gap: 10px; align-items: center; font-size: 13px; }
.gauge u { display: block; height: 8px; background: var(--panel); position: relative; text-decoration: none; }
.gauge u::after { content: ""; position: absolute; inset: 0 auto 0 0; width: var(--w); background: var(--ink); }
.js .gauge u::after { width: 0; transition: width 1.2s var(--ease) .3s; }
.js .in .gauge u::after { width: var(--w); }
.mail { display: grid; gap: 4px; padding: 12px 0; border-bottom: 1px solid var(--rule); font-size: 14px; }
.mail:last-child { border-bottom: 0; }
.mail small { color: var(--ink-3); font-family: var(--font-mono); font-size: 11px; }
.mail .draft { margin-top: 6px; border-left: 2px solid var(--ink); padding-left: 10px; color: var(--ink-2); font-size: 13px; }

/* pillars */
.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 56px; border-top: 1px solid var(--ink); }
.pillars > div { padding: 22px 22px 0 0; display: grid; gap: 8px; align-content: start; }
.pillars > div + div { border-left: 1px solid var(--rule); padding-left: 22px; }
.pillars h3 { font-weight: 600; font-size: 18px; letter-spacing: -.015em; }
.pillars p { color: var(--ink-2); font-size: 15px; }

/* robot stack */
.stack { display: grid; gap: 10px; }
.lay { border: 1px solid var(--on-dark); padding: 16px 18px; display: grid; gap: 4px; }
.lay b { font-weight: 600; font-size: 19px; letter-spacing: -.02em; }
.lay small { color: var(--on-dark-2); font-size: 13.5px; }
.lay.partner { border-style: dashed; color: var(--on-dark-2); }
.lay.partner b { color: var(--on-dark-2); font-weight: 400; }
.lay.top { background: var(--on-dark); color: var(--dark); }
.lay.top small, .lay.top .eyebrow { color: #555; }
.js .stack .lay { opacity: 0; transform: translateY(18px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.js .stack.in .lay { opacity: 1; transform: none; }
.js .stack.in .base { transition-delay: .1s; } .js .stack.in .mid { transition-delay: .35s; } .js .stack.in .top { transition-delay: .6s; } .js .stack.in .partner { transition-delay: .85s; }
@media (prefers-reduced-motion: reduce) { .js .stack .lay { opacity: 1; transform: none; transition: none; } }
.vs2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 56px; border-top: 1px solid var(--on-dark); }
.vs2 > div { padding: 24px 24px 0 0; }
.vs2 > div + div { border-left: 1px solid var(--dark-rule); padding-left: 24px; }
.vs2 h3 { font-weight: 600; font-size: 18px; margin-bottom: 12px; }
.vs2 > div:first-child h3 { color: var(--on-dark-2); }
.vs2 ul { margin: 0; padding-left: 1.1em; display: grid; gap: 8px; color: var(--on-dark-2); font-size: 15.5px; }

/* flow */
.flow { list-style: none; padding: 0; margin: 48px 0 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--ink); counter-reset: s; }
.flow li { counter-increment: s; padding: 22px 18px 6px 0; display: grid; gap: 8px; align-content: start; }
.flow li + li { border-left: 1px solid var(--rule); padding-left: 18px; }
.flow li::before { content: "0" counter(s); font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); }
.flow li.f::before { color: var(--ink); content: "0" counter(s) " · Focus"; }
.flow h3 { font-weight: 600; font-size: 17px; }
.flow p { color: var(--ink-2); font-size: 14.5px; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 48px; border-top: 1px solid var(--on-dark); }
.step { padding: 26px 26px 6px 0; display: grid; gap: 12px; align-content: start; }
.step + .step { border-left: 1px solid var(--dark-rule); padding-left: 26px; }
.step b { font-weight: 300; font-size: clamp(56px, 6vw, 88px); letter-spacing: -.05em; line-height: 1; }
.step h3 { font-weight: 600; font-size: 21px; }
.step p { color: var(--on-dark-2); font-size: 15.5px; }

/* responsibilities */
.resp { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 48px; border: 1px solid var(--ink); background: #fff; }
.resp > div { padding: 28px; }
.resp > div + div { border-left: 1px solid var(--ink); background: var(--dark); color: var(--on-dark); }
.resp h3 { font-weight: 600; font-size: 19px; margin-bottom: 14px; }
.resp ul { margin: 0; padding-left: 1.1em; display: grid; gap: 8px; font-size: 16px; color: var(--ink-2); }
.resp > div + div ul { color: var(--on-dark-2); }

.chain { list-style: none; padding: 0; margin: 32px 0 0; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.chain li { font-family: var(--font-mono); font-size: 12.5px; padding: 8px 12px; border: 1px solid var(--rule); background: #fff; }
.chain li.arrow { border: 0; background: none; padding: 0 2px; }

/* old way vs new */
.vs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 48px; border-top: 1px solid var(--ink); }
.vs > div { padding: 24px 24px 0 0; }
.vs > div + div { border-left: 1px solid var(--rule); padding-left: 24px; }
.vs h3 { font-weight: 600; font-size: 19px; margin-bottom: 14px; }
.tools { display: flex; flex-wrap: wrap; gap: 8px; }
.tools span { font-family: var(--font-mono); font-size: 12px; padding: 7px 10px; border: 1px solid var(--rule); color: var(--ink-2); }
.onerec { border: 1px solid var(--ink); padding: 18px; display: grid; gap: 10px; }
.onerec b { font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; }
.onerec div { display: flex; flex-wrap: wrap; gap: 8px; }
.onerec span { font-size: 13px; padding: 6px 10px; background: var(--ink); color: #fff; }

/* market + model */
.tbl { width: 100%; border-collapse: collapse; margin-top: 32px; font-size: 15.5px; }
.tbl th, .tbl td { text-align: left; padding: 14px 12px 14px 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
.tbl th { font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); font-weight: 400; border-bottom-color: var(--ink); }
.tbl td:last-child { color: var(--ink-3); font-family: var(--font-mono); font-size: 12px; white-space: nowrap; }

/* roadmap */
.road { list-style: none; padding: 0; margin: 48px 0 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); position: relative; }
.road::before { content: ""; position: absolute; left: 0; right: 0; top: 7px; height: 1px; background: var(--dark-rule); }
.road li { position: relative; padding: 32px 22px 0 0; display: grid; gap: 8px; align-content: start; }
.road li::before { content: ""; position: absolute; top: 0; left: 0; width: 15px; height: 15px; border: 1px solid var(--on-dark); background: var(--dark); }
.road li.now::before { background: var(--on-dark); }
.road h3 { font-weight: 600; font-size: 19px; }
.road p { color: var(--on-dark-2); font-size: 15px; }

/* founders */
.founders { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 48px; border-top: 1px solid var(--ink); }
.founder { padding: 28px 28px 8px 0; display: grid; gap: 10px; align-content: start; }
.founder + .founder { border-left: 1px solid var(--rule); padding-left: 28px; }
.founder b { font-weight: 600; font-size: 26px; letter-spacing: -.025em; line-height: 1.2; }
.founder ul { margin: 6px 0 0; padding-left: 1.1em; display: grid; gap: 6px; color: var(--ink-2); font-size: 15.5px; }

/* faq */
.faq { border-top: 1px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary { cursor: pointer; list-style: none; padding: 20px 40px 20px 0; font-weight: 600; font-size: 18px; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 15px; font-size: 24px; font-weight: 300; }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { padding: 0 0 22px; color: var(--ink-2); max-width: 46em; }

.contact h2 { font-size: clamp(36px, 5.6vw, 78px); line-height: 1; }
.mailrow { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin-top: 36px; }
.addr { font-family: var(--font-mono); font-size: 15px; color: var(--on-dark-2); user-select: all; overflow-wrap: anywhere; }

footer { background: var(--dark); color: var(--on-dark-2); border-top: 1px solid var(--dark-rule); font-size: 14px; }
footer .cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px; padding-block: 56px 40px; }
footer h4 { margin: 0 0 14px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--on-dark); font-weight: 500; }
footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
footer a { text-decoration: none; overflow-wrap: anywhere; }
footer a:hover { color: var(--on-dark); }
footer .legal { border-top: 1px solid var(--dark-rule); padding-block: 22px 40px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 12.5px; }

/* present (deck) mode */
.deckbar { display: none; }
html.deck { scroll-snap-type: y mandatory; scroll-padding-top: 0; }
html.deck .nav, html.deck footer { display: none; }
html.deck .slide { min-height: 100vh; min-height: 100dvh; scroll-snap-align: start; display: flex; flex-direction: column; justify-content: center; padding-block: 72px; }
html.deck .slide > .wrap { width: 100%; }
html.deck .deckbar { display: flex; position: fixed; right: 18px; bottom: 18px; z-index: 70; gap: 6px; align-items: center; background: #fff; color: #000; border: 1px solid #000; padding: 6px; font-family: var(--font-mono); font-size: 12px; }
html.deck .slide h2 { font-size: clamp(28px, 3.3vw, 48px); }
html.deck .lead { font-size: 16px; }
html.deck #practiceos .lead { font-size: 14.5px; }
html.deck #practiceos .lead + .lead { margin-top: 10px; }
html.deck .hero h1 { font-size: clamp(40px, 6vw, 84px); }
html.deck .h1b { font-size: clamp(28px, 3.8vw, 52px); }
html.deck .hero .still, html.deck .ctas [data-present] { display: none; }
html.deck .mockgrid { gap: 20px; }
html.deck .mockgrid .mock:nth-child(2) { margin-top: 0; }
html.deck #apps .mockgrid .mock:nth-child(n+3), html.deck .vs2, html.deck #records .pillars { display: none; }
.deckbar button { font: inherit; background: none; border: 1px solid #000; width: 34px; height: 34px; cursor: pointer; }
.deckbar button:hover { background: #000; color: #fff; }
.deckbar .c { min-width: 64px; text-align: center; }
.deckbar .x { width: auto; padding: 0 10px; }

@media (max-width: 960px) {
  .figs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fig:nth-child(3) { border-left: 0; padding-left: 0; }
  .fig:nth-child(n+3) { border-top: 1px solid var(--rule); }
  .flow { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .flow li:nth-child(4) { border-left: 0; padding-left: 0; }
  .flow li:nth-child(n+4) { border-top: 1px solid var(--rule); }
  .road { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 28px; }
  .still { grid-template-columns: minmax(0, 1fr); }
  .still aside { display: none; }
}
@media (max-width: 760px) {
  .split, .points, .points4, .services, .resp, .founders, .mockgrid, .steps, .vs, .vs2, .pillars { grid-template-columns: minmax(0, 1fr); }
  .founder + .founder, .vs > div + div, .vs2 > div + div, .pillars > div + div { border-left: 0; padding-left: 0; border-top: 1px solid var(--rule); }
  .step + .step { border-left: 0; padding-left: 0; border-top: 1px solid var(--dark-rule); }
  .resp > div + div { border-left: 0; border-top: 1px solid var(--ink); }
  .flow { grid-template-columns: minmax(0, 1fr); }
  .flow li + li { border-left: 0; padding-left: 0; border-top: 1px solid var(--rule); }
  .road { grid-template-columns: minmax(0, 1fr); }
  .road::before { display: none; }
  .mockgrid .mock:nth-child(2) { margin-top: 0; }
  .mock { box-shadow: 6px 6px 0 var(--ink); }
  footer .cols { grid-template-columns: minmax(0, 1fr); }
  .tbl td:last-child { white-space: normal; }
  .act { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 420px) {
  .figs { grid-template-columns: minmax(0, 1fr); }
  .fig + .fig { border-left: 0; padding-left: 0; border-top: 1px solid var(--rule); }
  .sched { grid-template-columns: 44px repeat(5, minmax(0, 1fr)); font-size: 10.5px; }
}

/* ---- sub-pages ---- */
.ph { padding-block: clamp(64px, 9vw, 120px) clamp(48px, 6vw, 80px); }
.ph h1 { font-weight: 600; font-size: clamp(40px, 6.4vw, 88px); line-height: 1; letter-spacing: -0.045em; max-width: 16ch; margin-top: 16px; }
.ph h1 em { font-style: normal; font-weight: 300; color: var(--on-dark-2); }
.ph .tag { margin-top: 26px; max-width: 42em; font-size: clamp(17px, 1.5vw, 20px); color: var(--on-dark-2); }
.ph .row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 18px; }
.crumb { font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--on-dark-2); }
.crumb a { text-decoration: none; border-bottom: 1px solid var(--dark-rule); }
.crumb a:hover { border-color: currentColor; }
.grid2, .grid3, .grid4 { display: grid; gap: 0; margin-top: 44px; border-top: 1px solid currentColor; }
.grid2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.cell { padding: 24px 24px 8px 0; display: grid; gap: 10px; align-content: start; }
.grid2 > .cell + .cell, .grid3 > .cell:not(:nth-child(3n+1)), .grid4 > .cell:not(:nth-child(4n+1)) { border-left: 1px solid var(--rule); padding-left: 24px; }
.dk .grid2 > .cell + .cell, .dk .grid3 > .cell:not(:nth-child(3n+1)), .dk .grid4 > .cell:not(:nth-child(4n+1)) { border-left-color: var(--dark-rule); }
.cell .k { font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; color: var(--ink-3); text-transform: uppercase; }
.dk .cell .k { color: var(--on-dark-2); }
.cell h3 { font-weight: 600; font-size: 20px; letter-spacing: -.02em; }
.cell p, .cell li { color: var(--ink-2); font-size: 15.5px; }
.dk .cell p, .dk .cell li { color: var(--on-dark-2); }
.cell ul { margin: 0; padding-left: 1.1em; display: grid; gap: 8px; }
.tbl { width: 100%; border-collapse: collapse; margin-top: 40px; font-size: 15px; }
.tbl th { text-align: left; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); font-weight: 500; padding: 12px 16px 12px 0; border-bottom: 1px solid var(--ink); }
.tbl td { padding: 14px 16px 14px 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
.tbl td:first-child { font-weight: 600; }
.tbl td.m { color: var(--ink-2); }
.tag2 { display: inline-block; font-family: var(--font-mono); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; padding: 3px 8px; border: 1px solid var(--ink); white-space: nowrap; }
.tag2.f { background: var(--ink); color: #fff; }
.tag2.l { border-style: dashed; color: var(--ink-2); border-color: var(--ink-3); }
.ladder { list-style: none; margin: 44px 0 0; padding: 0; display: grid; gap: 12px; }
.ladder li { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: 24px; border: 1px solid var(--rule); padding: 22px 24px; }
.dk .ladder li { border-color: var(--dark-rule); }
.ladder li:nth-child(2) { margin-left: clamp(0px, 4vw, 48px); }
.ladder li:nth-child(3) { margin-left: clamp(0px, 8vw, 96px); }
.ladder li:nth-child(4) { margin-left: clamp(0px, 12vw, 144px); }
.ladder b { font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; font-weight: 500; color: var(--ink-3); }
.dk .ladder b { color: var(--on-dark-2); }
.ladder h3 { font-weight: 600; font-size: 20px; letter-spacing: -.02em; margin-bottom: 6px; }
.ladder p { color: var(--ink-2); font-size: 15.5px; }
.dk .ladder p { color: var(--on-dark-2); }
.quote { font-weight: 300; font-size: clamp(28px, 3.6vw, 48px); line-height: 1.12; letter-spacing: -.03em; max-width: 22ch; }
.pnav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--ink); margin-top: 0; }
.pnav a { padding: 28px 24px 28px 0; text-decoration: none; display: grid; gap: 6px; }
.pnav a + a { border-left: 1px solid var(--rule); padding-left: 24px; text-align: right; }
.pnav span { font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); }
.pnav b { font-weight: 600; font-size: 20px; letter-spacing: -.02em; }
.pnav a:hover b { text-decoration: underline; }
.minimap { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: 28px; }
.minimap a { border: 1px solid var(--rule); padding: 10px 12px; font-size: 13.5px; text-decoration: none; color: var(--ink-2); }
.minimap a:hover { border-color: var(--ink); color: var(--ink); }
.minimap a.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.honest { margin-top: 32px; font-size: 13px; color: var(--ink-3); max-width: 60em; }
.dk .honest { color: var(--on-dark-2); }
@media (max-width: 960px) {
  .grid3, .grid4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid3 > .cell, .grid4 > .cell { border-left: 0 !important; padding-left: 0 !important; }
  .grid3 > .cell:nth-child(2n), .grid4 > .cell:nth-child(2n) { border-left: 1px solid var(--rule) !important; padding-left: 24px !important; }
}
@media (max-width: 760px) {
  .grid2, .grid3, .grid4, .pnav, .minimap { grid-template-columns: minmax(0, 1fr); }
  .grid2 > .cell, .grid3 > .cell, .grid4 > .cell { border-left: 0 !important; padding-left: 0 !important; border-top: 1px solid var(--rule); }
  .grid2 > .cell:first-child, .grid3 > .cell:first-child, .grid4 > .cell:first-child { border-top: 0; }
  .pnav a + a { border-left: 0; padding-left: 0; text-align: left; border-top: 1px solid var(--rule); }
  .ladder li { grid-template-columns: minmax(0, 1fr); gap: 8px; margin-left: 0 !important; }
  .tbl, .tbl tbody, .tbl tr, .tbl td { display: block; width: 100%; }
  .tbl thead { display: none; }
  .tbl tr { border-bottom: 1px solid var(--rule); padding: 12px 0; }
  .tbl td { border: 0; padding: 2px 0; }
}