/* BTKM — btkm.ai
   Ink base with a violet atmosphere; lime is the action and "live" colour.
   Two families: Archivo (wdth axis) + JetBrains Mono. Grounds hard-cut ink / plum / paper. */

:root {
  --ink: #0B100C;
  --ink-2: #131A15;
  --ink-line: #253027;
  --paper: #F4F1F7;
  --paper-2: #E8E2EE;
  --line: #D6CEDF;
  --white: #FFFFFF;

  --lime: #A9E93A;
  --lime-2: #BDF25A;
  --lime-deep: #437200;

  --plum: #6D2382;
  --plum-2: #8E35A8;
  --plum-ink: #170C1E;
  --plum-line: #3A2146;
  --violet: #B48CFF;
  --violet-soft: #D2BCFF;

  --fg: #0C110D;
  --fg-soft: #4E574F;
  --fg-faint: #7C857D;
  --rule: var(--line);
  --surface: var(--white);
  --surface-2: var(--paper-2);
  --edge: rgba(255,255,255,.06);

  --sans: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);

  --maxw: 1200px;
  --gutter: clamp(20px, 4vw, 48px);
  --section: clamp(88px, 12vw, 168px);
  --r-panel: 22px;
  --r-card: 16px;
  --r-ctl: 999px;
  --r-input: 12px;
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0; background: var(--ink); color: #EEF1EC;
  font-family: var(--sans); font-size: 17px; line-height: 1.55;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
::selection { background: var(--lime); color: var(--ink); }
:focus-visible { outline: 2px solid var(--lime); outline-offset: 3px; border-radius: 4px; }
.g-paper :focus-visible { outline-color: var(--lime-deep); }

img, svg { display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
h1, h2, h3, p, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* ---------- grounds ---------- */
.g-ink { background: var(--ink); color: #EEF1EC; --fg: #EEF1EC; --fg-soft: #A9B1A9; --fg-faint: #6F786F; --rule: var(--ink-line); --surface: var(--ink-2); --surface-2: #1A221B; }
.g-plum { background: var(--plum-ink); color: #F1EAF6; --fg: #F1EAF6; --fg-soft: #B9A8C9; --fg-faint: #7E6C8E; --rule: var(--plum-line); --surface: #211230; --surface-2: #2A1A3A; }
.g-paper { position: relative; background: var(--paper); color: var(--fg); --fg: #120D16; --fg-soft: #554B5E; --fg-faint: #857A90; --rule: var(--line); --surface: var(--white); --surface-2: var(--paper-2); }
.g-paper::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(45% 40% at 88% 8%, rgba(109,35,130,.14), transparent 70%), radial-gradient(35% 30% at 6% 95%, rgba(169,233,58,.10), transparent 70%); }
.g-paper > .wrap { position: relative; }

/* ---------- type ---------- */
.display { font-weight: 800; font-variation-settings: "wdth" 118; font-size: clamp(46px, 7.4vw, 104px); line-height: .94; letter-spacing: -.036em; text-wrap: balance; }
.h2 { font-weight: 750; font-variation-settings: "wdth" 110; font-size: clamp(34px, 5vw, 66px); line-height: 1; letter-spacing: -.03em; text-wrap: balance; max-width: 16ch; }
.h3 { font-weight: 700; font-variation-settings: "wdth" 108; font-size: clamp(22px, 2.4vw, 30px); line-height: 1.1; letter-spacing: -.02em; }
.lead { font-size: clamp(17px, 1.5vw, 20px); line-height: 1.55; color: var(--fg-soft); max-width: 52ch; text-wrap: pretty; }
.label { font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--fg-faint); }
.label.violet { color: var(--violet); }
.note { font-family: var(--mono); font-size: 12.5px; letter-spacing: .02em; color: var(--fg-faint); }
.center { text-align: center; }
.center .h2, .center .lead { margin-left: auto; margin-right: auto; }

/* word reveal on headings (JS wraps words; without JS the text is plain) */
.h2 .w { display: inline-block; }
.js .h2.split .w { opacity: 0; transform: translateY(.35em); filter: blur(6px); transition: opacity 520ms var(--ease-out), transform 620ms var(--ease-out), filter 520ms var(--ease-out); transition-delay: var(--wd, 0ms); }
.js .h2.split.in .w { opacity: 1; transform: none; filter: none; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; font-family: var(--sans); font-weight: 600; font-size: 15.5px; letter-spacing: -.005em; padding: 14px 24px; border-radius: var(--r-ctl); border: 1px solid transparent; white-space: nowrap; transition: background-color 140ms var(--ease-out), color 140ms var(--ease-out), border-color 140ms var(--ease-out), transform 140ms var(--ease-out); }
.btn:active { transform: scale(.97); }
.btn-lime { background: var(--lime); color: var(--ink); border-color: var(--lime); }
.btn-ink { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-ghost { background: transparent; color: inherit; border-color: rgba(255,255,255,.22); }
.g-paper .btn-ghost { border-color: var(--line); }
@media (hover: hover) and (pointer: fine) {
  .btn-lime:hover { background: var(--lime-2); border-color: var(--lime-2); }
  .btn-ink:hover { background: #1A221B; border-color: #1A221B; }
  .btn-ghost:hover { border-color: currentColor; }
  .btn:hover .arrow { transform: translateX(3px); }
}
.btn .arrow { transition: transform 160ms var(--ease-out); }
.btn-sm { padding: 10px 18px; font-size: 14px; }

/* ---------- header ---------- */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 60; color: #EEF1EC; border-bottom: 1px solid transparent; transition: background-color 220ms var(--ease-out), border-color 220ms var(--ease-out); }
.site-header.is-scrolled { background: rgba(11,16,12,.78); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom-color: rgba(255,255,255,.07); }
.site-header .bar { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand .mark { width: 30px; height: 30px; }
.brand .wordmark { font-weight: 800; font-variation-settings: "wdth" 120; font-size: 22px; letter-spacing: -.04em; line-height: 1; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: 15px; font-weight: 500; color: #C9D0C8; transition: color 140ms var(--ease-out); }
.nav-links a.btn-lime { color: var(--ink); margin-left: 8px; }
@media (hover: hover) and (pointer: fine) { .nav-links a:not(.btn):hover { color: var(--lime); } }
.menu-btn { display: none; width: 44px; height: 44px; border-radius: 50%; align-items: center; justify-content: center; margin-right: -8px; }
.menu-btn .lines { position: relative; width: 20px; height: 12px; }
.menu-btn .lines::before, .menu-btn .lines::after { content: ""; position: absolute; left: 0; right: 0; height: 2px; background: currentColor; transition: transform 200ms var(--ease-out); }
.menu-btn .lines::before { top: 0; } .menu-btn .lines::after { bottom: 0; }
.menu-btn[aria-expanded="true"] .lines::before { transform: translateY(5px) rotate(45deg); }
.menu-btn[aria-expanded="true"] .lines::after { transform: translateY(-5px) rotate(-45deg); }
.mobile-menu { position: fixed; inset: 0; z-index: 55; background: var(--ink); color: #EEF1EC; display: none; flex-direction: column; justify-content: flex-end; padding: 96px var(--gutter) 40px; }
.mobile-menu[data-open="true"] { display: flex; }
.mobile-menu a:not(.btn) { font-weight: 750; font-variation-settings: "wdth" 112; font-size: clamp(34px, 9vw, 48px); letter-spacing: -.03em; line-height: 1.1; padding: 10px 0; border-bottom: 1px solid var(--ink-line); }
.mobile-menu .btn { margin-top: 28px; align-self: flex-start; }
.mobile-menu .note { margin-top: 24px; }

/* ---------- panels ---------- */
.panel { position: relative; background: var(--surface); border-radius: var(--r-panel); border: 1px solid var(--rule); overflow: hidden; text-align: left; color: var(--fg);
  box-shadow: 0 1px 0 var(--edge) inset, 0 40px 80px -40px rgba(4,6,5,.8), 0 14px 30px -18px rgba(4,6,5,.6); }
.g-plum .board-row { border-color: var(--rule); }
.g-plum .panel { border-color: rgba(180,140,255,.22); box-shadow: 0 1px 0 rgba(255,255,255,.08) inset, 0 40px 90px -40px rgba(20,5,30,.9), 0 0 0 1px rgba(109,35,130,.15); }
.g-paper .panel { box-shadow: 0 30px 60px -34px rgba(12,17,13,.35), 0 8px 20px -14px rgba(12,17,13,.18); }
.panel-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 13px 18px; border-bottom: 1px solid var(--rule); font-family: var(--mono); font-size: 12.5px; letter-spacing: .04em; color: var(--fg-soft); }
.panel-bar strong { color: var(--fg); font-weight: 500; }
.panel-bar > span:last-child { white-space: nowrap; flex: none; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--lime); margin-right: 8px; vertical-align: 1px; box-shadow: 0 0 0 3px rgba(169,233,58,.16); }
.dot.violet { background: var(--violet); box-shadow: 0 0 0 3px rgba(180,140,255,.16); }
.status { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; padding: 5px 9px; border-radius: 999px; border: 1px solid var(--rule); color: var(--fg-soft); white-space: nowrap; }
.status.live { color: var(--lime); border-color: rgba(169,233,58,.35); background: rgba(169,233,58,.08); }
.status.you { color: var(--ink); background: var(--lime); border-color: var(--lime); }
.status.ai { color: var(--violet-soft); border-color: rgba(180,140,255,.35); background: rgba(180,140,255,.08); }
.tabnum { font-variant-numeric: tabular-nums; }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding: 156px 0 0; text-align: center; }
.hero-atmos { position: absolute; inset: -10% -10% 0; pointer-events: none;
  background:
    radial-gradient(52% 38% at 22% 28%, rgba(109,35,130,.55), transparent 70%),
    radial-gradient(40% 32% at 78% 18%, rgba(180,140,255,.22), transparent 70%),
    radial-gradient(50% 30% at 50% 100%, rgba(169,233,58,.14), transparent 70%);
  filter: blur(10px); }
.hero-grain { position: absolute; inset: 0; pointer-events: none; opacity: .06; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='140' height='140'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/></filter><rect width='140' height='140' filter='url(%23n)' opacity='.9'/></svg>"); }
.hero .wrap { position: relative; }
.hero .display { max-width: 12ch; margin: 0 auto; }
.hero .lead { margin: 26px auto 0; }
.hero .lead + .lead { margin-top: 10px; }
.hero .lead-what { color: var(--fg); }
.hero .cta-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-top: 34px; }

/* the desk: layered panels. Panels do not cover each other's text at rest;
   parallax depth makes them drift past each other while scrolling. */
.desk { position: relative; height: 620px; margin: 72px auto 0; max-width: 1120px; }
.desk .panel { position: absolute; will-change: transform; }
.desk .p-board { left: 300px; top: 0; width: 540px; }
.desk .p-ai { right: 0; top: 250px; width: 280px; }
.desk .p-stock { left: 0; top: 330px; width: 260px; }
.desk .p-approve { left: 0; top: 60px; width: 260px; }
.hero .desk-note { position: relative; margin: 8px 0 0; padding-bottom: 28px; }

.board-row { display: grid; grid-template-columns: 1fr auto auto; gap: 12px; align-items: center; padding: 13px 16px; border-bottom: 1px solid var(--rule); font-size: 14.5px; }
.board-row:last-child { border-bottom: 0; }
.board-row .n { font-family: var(--mono); font-size: 13px; color: var(--fg-soft); font-variant-numeric: tabular-nums; white-space: nowrap; }
.board-row .n b { color: var(--fg); font-weight: 500; }
.board-row.for-you { background: rgba(169,233,58,.06); }

.chat { padding: 16px 18px; display: flex; flex-direction: column; gap: 12px; font-size: 14.5px; }
.chat .q { align-self: flex-end; background: var(--surface-2); padding: 10px 14px; border-radius: 16px 16px 4px 16px; max-width: 88%; }
.chat .a { align-self: flex-start; padding: 2px 0 0; max-width: 95%; line-height: 1.5; }
.chat .a b { font-weight: 600; }
.chat .src { font-family: var(--mono); font-size: 11.5px; color: var(--fg-faint); display: flex; gap: 8px; flex-wrap: wrap; }
.chat .src span { border: 1px solid var(--rule); border-radius: 999px; padding: 3px 8px; }
.chat .typing { display: inline-flex; gap: 4px; align-items: center; height: 18px; }
.chat .typing i { width: 5px; height: 5px; border-radius: 50%; background: var(--violet); opacity: .5; animation: blink 1.1s infinite; }
.chat .typing i:nth-child(2) { animation-delay: .18s; } .chat .typing i:nth-child(3) { animation-delay: .36s; }
@keyframes blink { 0%, 100% { opacity: .25; } 50% { opacity: 1; } }

.stock { padding: 16px 18px; }
.stock .item { font-weight: 600; font-size: 16px; }
.stock .meter { height: 6px; background: var(--surface-2); border-radius: 3px; margin: 12px 0 8px; overflow: hidden; }
.stock .meter i { display: block; height: 100%; width: var(--fill, 40%); background: var(--lime); border-radius: 3px; transition: width 900ms var(--ease-out); }
.stock .meta { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 12px; color: var(--fg-soft); }
.stock .act { margin-top: 12px; font-size: 13.5px; color: var(--fg-soft); }
.stock .act b { color: var(--fg); font-weight: 500; }

.approve-mini { padding: 16px 18px; }
.approve-mini .t { font-size: 15px; font-weight: 600; }
.approve-mini .s { font-family: var(--mono); font-size: 12.5px; color: var(--fg-soft); margin-top: 4px; }
.approve-mini .row { display: flex; gap: 8px; margin-top: 12px; }
.approve-mini .btn-sm { padding: 8px 14px; font-size: 13px; }

/* ---------- rail (the work) ---------- */
.rail-section { position: relative; }
.rail-pin { position: relative; }
.rail-stage { display: flex; flex-direction: column; justify-content: center; align-items: stretch; gap: 36px; padding: 48px 0 24px; }
.rail-stage > .wrap { width: 100%; }
.rail-stage.is-pinned { position: sticky; top: var(--header-h); min-height: calc(100vh - var(--header-h)); }
.rail-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.rail-head .lead { margin-top: 18px; }
.rail-viewport { overflow: hidden; }
.rail { display: flex; gap: 20px; padding: 6px var(--gutter) 24px; scroll-padding-left: var(--gutter); overflow-x: auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.rail::-webkit-scrollbar { display: none; }
.rail.linked { overflow: visible; scroll-snap-type: none; will-change: transform; }
.rail-card { flex: 0 0 min(400px, 84vw); scroll-snap-align: start; background: linear-gradient(180deg, #171B21, #10140F); border: 1px solid rgba(180,140,255,.16); border-radius: var(--r-card); padding: 26px 26px 22px; display: flex; flex-direction: column; gap: 18px; min-height: 360px;
  box-shadow: 0 1px 0 var(--edge) inset, 0 30px 60px -36px rgba(4,6,5,.9); transition: border-color 200ms var(--ease-out), transform 200ms var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .rail-card:hover { border-color: rgba(169,233,58,.5); transform: translateY(-3px); } }
.rail-card .area { font-family: var(--mono); font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--fg-faint); }
.rail-card .h3 { font-size: 25px; max-width: 14ch; }
.flow { display: flex; flex-direction: column; margin-top: auto; border-top: 1px solid var(--ink-line); }
.flow li { display: grid; grid-template-columns: 22px 1fr auto; gap: 12px; align-items: center; padding: 11px 0; border-bottom: 1px solid var(--ink-line); font-size: 14.5px; color: #D5DBD3; }
.flow li:last-child { border-bottom: 0; }
.flow .k { width: 22px; height: 22px; border-radius: 50%; border: 1px solid var(--ink-line); display: inline-flex; align-items: center; justify-content: center; font-family: var(--mono); font-size: 10.5px; color: var(--fg-faint); }
.flow li.you .k { background: var(--lime); border-color: var(--lime); color: var(--ink); }
.flow li.you { color: #fff; }
.flow .tag { font-family: var(--mono); font-size: 10.5px; letter-spacing: .08em; text-transform: uppercase; color: var(--fg-faint); }
.flow li.you .tag { color: var(--lime); }
.plain { margin-top: auto; border-top: 1px solid var(--ink-line); }
.plain li { padding: 11px 0; border-bottom: 1px solid var(--ink-line); font-size: 14.5px; color: #D5DBD3; }
.plain li:last-child { border-bottom: 0; }
.rail-cta { align-self: flex-start; margin-top: 6px; }
.rail-arrows { display: flex; gap: 10px; flex: none; padding-bottom: 6px; }
.arrow-btn { width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--rule); color: var(--fg); display: inline-flex; align-items: center; justify-content: center; transition: border-color 140ms var(--ease-out), transform 140ms var(--ease-out); }
.arrow-btn svg { width: 22px; height: 22px; }
@media (hover: hover) and (pointer: fine) { .arrow-btn:hover { border-color: var(--lime); } }
.arrow-btn:active { transform: scale(.95); }
.sec-cta { margin-top: 26px; }
.rail-progress { height: 2px; background: var(--ink-line); margin: 0 var(--gutter); position: relative; }
.rail-progress i { position: absolute; left: 0; top: 0; bottom: 0; width: 100%; background: var(--lime); transform-origin: left; transform: scaleX(var(--rp, 0)); transition: transform 120ms linear; }
.rail-foot { padding-top: 56px; padding-bottom: var(--section); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.chips span { font-family: var(--mono); font-size: 12.5px; letter-spacing: .02em; border: 1px solid var(--ink-line); border-radius: 999px; padding: 7px 12px; color: #C9D0C8; }

/* ---------- sticky showcase (internal software) ---------- */
.showcase { padding: var(--section) 0; }
.showcase-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
.showcase-copy { position: sticky; top: calc(var(--header-h) + 40px); }
.showcase-copy .lead { margin-top: 22px; }
.showcase-steps { margin-top: 36px; border-top: 1px solid var(--rule); }
.showcase-steps li { padding: 18px 0; border-bottom: 1px solid var(--rule); display: grid; grid-template-columns: 1fr; gap: 6px; opacity: .45; transition: opacity 300ms var(--ease-out); cursor: pointer; }
.showcase-steps li.is-active { opacity: 1; }
.showcase-steps .t { font-weight: 700; font-size: 20px; letter-spacing: -.015em; }
.showcase-steps p { font-size: 15px; color: var(--fg-soft); max-width: 40ch; }
.showcase-stage { position: sticky; top: calc(var(--header-h) + 40px); }
.app { display: grid; grid-template-columns: 200px 1fr; min-height: 460px; }
.app-side { border-right: 1px solid var(--rule); padding: 14px 10px; background: var(--surface-2); }
.app-side .co { font-weight: 800; font-variation-settings: "wdth" 116; font-size: 15px; letter-spacing: -.02em; padding: 8px 10px 16px; }
.app-side a, .app-side button { display: flex; width: 100%; text-align: left; align-items: center; justify-content: space-between; padding: 9px 10px; border-radius: 8px; font-size: 14px; color: var(--fg-soft); }
.app-side .is-active { background: var(--surface); color: var(--fg); font-weight: 600; box-shadow: 0 1px 0 var(--edge) inset; }
.app-side .cnt { font-family: var(--mono); font-size: 11px; color: var(--fg-faint); }
.app-main { padding: 18px 20px; }
.app-main .view { display: none; }
.app-main .view.is-active { display: block; }
.app-title { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.app-title .h3 { font-size: 20px; }
.app-title .btn-sm { padding: 7px 12px; font-size: 12.5px; }
.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th, .tbl td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--rule); }
.tbl th { font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--fg-faint); }
.tbl td.num, .tbl th.num { text-align: right; font-variant-numeric: tabular-nums; font-family: var(--mono); font-size: 13px; }
.tbl tr.flag td { background: rgba(169,233,58,.07); }
.tbl .pill { font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em; text-transform: uppercase; border: 1px solid var(--rule); border-radius: 999px; padding: 3px 8px; color: var(--fg-soft); }
.tbl .pill.ok { color: var(--lime-deep); border-color: rgba(67,114,0,.3); }
.tbl .pill.warn { color: #8A5A00; border-color: rgba(138,90,0,.3); }
.js .app-main .view .tbl tbody tr { opacity: 0; transform: translateY(6px); transition: opacity 300ms var(--ease-out), transform 300ms var(--ease-out); }
.js .app-main .view.is-active .tbl tbody tr { opacity: 1; transform: none; }

/* ---------- private AI ---------- */
.private { position: relative; overflow: hidden; padding: var(--section) 0; }
.private-atmos { position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(60% 50% at 70% 30%, rgba(142,53,168,.35), transparent 70%), radial-gradient(40% 40% at 15% 90%, rgba(180,140,255,.14), transparent 70%); }
.private .wrap { position: relative; }
.private-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; margin-top: 56px; }
.private .lead { margin-top: 22px; }
.private-points { margin-top: 30px; border-top: 1px solid var(--rule); }
.private-points li { padding: 16px 0; border-bottom: 1px solid var(--rule); display: grid; grid-template-columns: 1fr; gap: 4px; }
.private-points .t { font-weight: 700; font-size: 19px; letter-spacing: -.015em; }
.private-points p { font-size: 15px; color: var(--fg-soft); max-width: 42ch; }
.machine { display: grid; grid-template-columns: 1fr; gap: 16px; }
.machine .panel-bar { border-color: rgba(180,140,255,.18); }
.specs { display: grid; grid-template-columns: 1fr 1fr; }
.specs div { padding: 14px 18px; border-bottom: 1px solid var(--rule); border-right: 1px solid var(--rule); }
.specs div:nth-child(2n) { border-right: 0; }
.specs div:nth-last-child(-n+2) { border-bottom: 0; }
.specs .k { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--fg-faint); }
.specs .v { font-size: 15px; font-weight: 500; margin-top: 6px; line-height: 1.4; }
.specs .v.violet { color: var(--violet-soft); }
.private-note { margin-top: 24px; }

/* ---------- how we work: process ---------- */
.work { padding: var(--section) 0; }
.work .lead { margin-top: 22px; }
.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 56px; position: relative; }
.process::before { content: ""; position: absolute; left: 0; right: 0; top: 11px; height: 1px; background: var(--rule); }
.process-line { position: absolute; left: 0; right: 0; top: 11px; height: 1px; overflow: hidden; }
.process-line i { display: block; height: 100%; background: var(--lime); transform-origin: left; transform: scaleX(var(--pp, 0)); transition: transform 200ms linear; }
.process li { position: relative; padding: 36px 28px 0 0; }
.process li::before { content: ""; position: absolute; left: 0; top: 6px; width: 11px; height: 11px; border-radius: 50%; background: var(--ink-line); box-shadow: 0 0 0 4px var(--ink); transition: background-color 260ms var(--ease-out), box-shadow 260ms var(--ease-out); }
.process li.is-lit::before { background: var(--lime); box-shadow: 0 0 0 4px var(--ink), 0 0 18px rgba(169,233,58,.55); }
.process li .step, .process li .h3, .process li p { transition: opacity 300ms var(--ease-out); }
.js .process li:not(.is-lit) .h3, .js .process li:not(.is-lit) p { opacity: .45; }
.js.reveal-off .process li .h3, .js.reveal-off .process li p { opacity: 1; }
.process .step { font-family: var(--mono); font-size: 12px; letter-spacing: .12em; color: var(--lime); display: block; margin-bottom: 14px; }
.process .h3 { font-size: clamp(22px, 2.2vw, 28px); }
.process p { margin-top: 12px; font-size: 15.5px; color: var(--fg-soft); max-width: 30ch; }

/* ---------- contact ---------- */
.contact { padding: var(--section) 0 clamp(48px, 6vw, 88px); }
.next-steps { margin-top: 30px; border-top: 1px solid var(--rule); }
.next-steps li { display: grid; grid-template-columns: 26px 1fr; gap: 14px; align-items: start; padding: 14px 0; border-bottom: 1px solid var(--rule); font-size: 16px; color: var(--fg-soft); max-width: 46ch; }
.next-steps .k { width: 26px; height: 26px; border-radius: 50%; background: var(--ink); color: var(--lime); font-family: var(--mono); font-size: 11.5px; display: inline-flex; align-items: center; justify-content: center; margin-top: 1px; }
.contact .langs { margin-top: 22px; font-family: var(--mono); font-size: 13px; color: var(--fg-soft); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.contact .lead { margin-top: 22px; }
.contact .mail-link { display: inline-block; margin-top: 28px; font-family: var(--mono); font-size: 14px; letter-spacing: .02em; border-bottom: 1px solid var(--rule); padding-bottom: 3px; transition: border-color 140ms var(--ease-out), color 140ms var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .contact .mail-link:hover { color: var(--lime-deep); border-color: var(--lime-deep); } }
.form { background: var(--white); border: 1px solid var(--rule); border-radius: var(--r-panel); padding: 30px; position: relative; color: var(--fg); }
.f { display: flex; flex-direction: column; gap: 7px; margin-bottom: 16px; }
.f label { font-family: var(--mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--fg-soft); }
.f label .opt { text-transform: none; letter-spacing: 0; color: var(--fg-faint); }
.f input, .f textarea { font: inherit; font-size: 16px; color: var(--fg); background: var(--paper); border: 1px solid var(--line); border-radius: var(--r-input); padding: 13px 15px; width: 100%; resize: vertical; transition: border-color 140ms var(--ease-out), box-shadow 140ms var(--ease-out); }
.f input::placeholder, .f textarea::placeholder { color: #9AA29A; }
.f input:focus, .f textarea:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(169,233,58,.4); }
.f input[aria-invalid="true"], .f textarea[aria-invalid="true"] { border-color: #B8412F; }
.f .err { font-size: 13px; color: #9E3322; display: none; }
.f[data-error="true"] .err { display: block; }
.hp { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; }
.form .btn { width: 100%; margin-top: 4px; }
.form .btn[disabled] { opacity: .7; cursor: default; }
.form-msg { margin-top: 14px; font-size: 14px; text-align: center; color: var(--fg-soft); min-height: 1.4em; }
.form-msg[data-kind="error"] { color: #9E3322; }
.form-success { position: absolute; inset: 0; background: var(--white); border-radius: var(--r-panel); display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 10px; padding: 30px; }
.form-success[hidden] { display: none; }
.form-success .h3 { margin-top: 12px; }
.form-success p { color: var(--fg-soft); max-width: 30ch; }

/* contact: the mark, moving */
.mark-play { margin-top: 56px; max-width: 420px; }
.mark-play svg { width: 100%; height: auto; overflow: visible; }
.mark-play .ch { fill: none; stroke: var(--line); stroke-width: 13; stroke-linejoin: miter; animation: chev 3s cubic-bezier(.23,1,.32,1) infinite; animation-delay: calc(var(--i) * 220ms); }
.mark-word { display: block; margin-top: 10px; font-weight: 800; font-variation-settings: "wdth" 120; font-size: clamp(56px, 6vw, 84px); letter-spacing: -.045em; line-height: 1; color: var(--ink); }
.mark-play .note { display: block; margin-top: 12px; }
@keyframes chev {
  0%, 60%, 100% { stroke: var(--line); transform: translateX(0); }
  10% { stroke: var(--lime); transform: translateX(10px); }
  22% { stroke: var(--plum-2); transform: translateX(6px); }
  40% { stroke: var(--line); transform: translateX(0); }
}
@media (prefers-reduced-motion: reduce) { .mark-play .ch { animation: none; } .mark-play .ch:nth-child(1) { stroke: var(--ink); } .mark-play .ch:nth-child(2) { stroke: var(--lime); } }
@media (max-width: 960px) { .mark-play { display: none; } }

/* ---------- footer ---------- */
.site-footer { padding: 56px 0 32px; border-top: 1px solid var(--rule); }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 32px; }
.foot-grid .tag { margin-top: 12px; font-family: var(--mono); font-size: 11.5px; letter-spacing: .22em; text-transform: uppercase; color: var(--fg-faint); }
.foot-desc { margin-top: 16px; font-size: 14.5px; color: var(--fg-soft); max-width: 36ch; }
.foot-col h4 { margin: 0 0 14px; font-family: var(--mono); font-size: 11.5px; letter-spacing: .14em; text-transform: uppercase; font-weight: 500; color: var(--fg-faint); }
.foot-col a { display: block; font-size: 15px; color: var(--fg-soft); margin-bottom: 10px; transition: color 140ms var(--ease-out); }
@media (hover: hover) and (pointer: fine) { .foot-col a:hover { color: var(--lime); } }
.foot-bot { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-top: 36px; padding-top: 22px; border-top: 1px solid var(--rule); }

/* ---------- reveal (JS only) ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); }
.js .reveal.in { opacity: 1; transform: none; transition: opacity 640ms var(--ease-out), transform 640ms var(--ease-out); }
.js .reveal-panel { opacity: 0; transform: translateY(28px) scale(.985); }
.js .reveal-panel.in { opacity: 1; transform: none; transition: opacity 760ms var(--ease-out), transform 760ms var(--ease-out); }
.js.reveal-off .reveal, .js.reveal-off .reveal-panel, .js.reveal-off .h2.split .w { opacity: 1 !important; transform: none !important; filter: none !important; }

@media (prefers-reduced-motion: reduce) {
  .js .reveal, .js .reveal-panel { transform: none; transition: opacity 240ms ease-out; }
  .js .h2.split .w { transform: none; filter: none; transition: opacity 240ms ease-out; }
  .chat .typing i { animation: none; opacity: .7; }
  .btn, .btn .arrow, .rail-card, .stock .meter i { transition: none; }
  .desk .panel { transform: none !important; }
}

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .desk { height: 640px; }
  .desk .p-board { left: 250px; width: 480px; }
  .desk .p-ai { width: 250px; top: 270px; }
  .desk .p-stock { width: 230px; top: 340px; }
  .desk .p-approve { width: 230px; top: 60px; }
}
@media (max-width: 960px) {
  .nav-links { display: none; }
  .menu-btn { display: inline-flex; }
  .desk { height: auto; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 48px; }
  .desk .panel { position: static; width: auto !important; transform: none !important; }
  .desk .p-board { grid-column: 1 / -1; }
  .desk .p-approve { order: 4; }
  .showcase-grid { grid-template-columns: 1fr; gap: 28px; }
  .showcase-copy, .showcase-stage { position: static; }
  .app { grid-template-columns: 1fr; min-height: 0; }
  .app-side { border-right: 0; border-bottom: 1px solid var(--rule); display: flex; gap: 4px; overflow-x: auto; padding: 10px; }
  .app-side .co { display: none; }
  .app-side a, .app-side button { width: auto; white-space: nowrap; gap: 8px; }
  .private-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .process { grid-template-columns: 1fr 1fr; row-gap: 28px; }
  .process::before, .process-line { display: none; }
  .rail-head { flex-direction: column; align-items: flex-start; }
  .process li { padding-top: 30px; }
}
@media (max-width: 700px) {
  body { font-size: 16px; }
  .hero { padding-top: 120px; }
  .display { font-size: clamp(42px, 12.8vw, 62px); }
  .h2 { font-size: clamp(31px, 8.8vw, 44px); }
  .desk { grid-template-columns: 1fr; }
  .desk .p-ai, .desk .p-stock, .desk .p-approve { width: auto; }
  .panel-bar { padding: 12px 14px; font-size: 12px; }
  .board-row { grid-template-columns: 1fr auto; padding: 12px 14px; font-size: 14.5px; row-gap: 6px; }
  .board-row .n { grid-column: 1; }
  .board-row .status { grid-column: 2; grid-row: 1; justify-self: end; }
  .rail-card { flex-basis: 84vw; min-height: 0; padding: 22px 20px 18px; }
  .rail-card .h3 { font-size: 23px; }
  .process { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; }
  .rail-stage { gap: 24px; padding: 32px 0 0; }
  .rail { padding-bottom: 16px; }
  .rail-foot { padding-top: 28px; }
  .specs { grid-template-columns: 1fr; }
  .specs div { border-right: 0; }
  .specs div:nth-last-child(-n+2) { border-bottom: 1px solid var(--rule); }
  .specs div:last-child { border-bottom: 0; }
  .form { padding: 22px 18px; }
  .tbl th:nth-child(3), .tbl td:nth-child(3) { display: none; }
}