/* ─────────────────────────────────────────────────────────────────────────
   QUERK — querk.io · 2026-05-02 second-pass design rebuild
   System: technical-datasheet meets editorial.
   Continuous-feed paper aesthetic carried sheet-by-sheet.
   ───────────────────────────────────────────────────────────────────────── */

/* Pass 4 perf (CE-A5): @import removed — fonts now requested via <link> in <head>
   so they don't block on styles.css parsing. font-display: swap preserved on the HTML
   link tag. */

:root {
  /* INK / GROUND */
  --ink:       #0c0d10;
  --ink-soft:  #14161a;
  --ink-line:  #1d2026;
  --ink-card:  #181a1f;
  --ink-deep:  #06070a;

  /* PAPER */
  --paper:      #f0ebe1;
  --paper-warm: #e6dfd1;
  --paper-deep: #d9d0bb;
  --paper-line: #c8c0ad;
  --paper-ink:  #161513;
  --paper-mute: #6e6450;

  /* SIGNAL — amber CRT phosphor */
  --signal:      #ff8a3d;
  --signal-soft: rgba(255,138,61,0.10);
  --signal-glow: rgba(255,138,61,0.42);
  --signal-deep: #c95f1c;

  /* SECONDARY */
  --rust:       #c44a26;
  --rust-paper: #8c3217;
  --moss:       #6a8c3e;
  --moss-paper: #4a6f25;
  --bruise:     #6450a1;

  /* HAIRLINES */
  --hair:              rgba(240,235,225,0.10);
  --hair-strong:       rgba(240,235,225,0.28);
  --hair-paper:        rgba(22,21,19,0.16);
  --hair-paper-strong: rgba(22,21,19,0.34);

  /* TYPE */
  --type-body:    'Geist', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --type-display: 'Instrument Serif', 'Iowan Old Style', 'Apple Garamond', 'Baskerville', serif;
  --type-mono:    'Geist Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  /* RHYTHM */
  --gutter: clamp(20px, 4.5vw, 56px);
  --max-w: 1340px;
  --rail-w: 240px;
  --sheet-pad: clamp(72px, 9vw, 128px);
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--type-body);
  font-weight: 400;
  font-size: 16.5px;
  line-height: 1.55;
  letter-spacing: 0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--signal); color: var(--ink); }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
img, svg { display: block; max-width: 100%; }
textarea { resize: none; font: inherit; color: inherit; background: transparent; border: 0; outline: none; }

/* Focus ring (visible & on-brand) */
:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }

/* Blueprint background w/ vignette mask */
.blueprint-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.55;
  background-image:
    linear-gradient(var(--hair) 1px, transparent 1px),
    linear-gradient(90deg, var(--hair) 1px, transparent 1px);
  background-size: 88px 88px;
  background-position: -1px -1px;
  mask-image: radial-gradient(ellipse 100% 60% at 50% 0%, black 18%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 100% 60% at 50% 0%, black 18%, transparent 70%);
}
body > * { position: relative; z-index: 1; }

/* Paper grain on cream surfaces */
.grain { position: relative; }
.grain::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: 0.18;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0  0 0 0 0 0  0 0 0 0 0  0 0 0 0.6 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  mix-blend-mode: multiply;
}

/* SHELL */
.shell { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 var(--gutter); }

/* Visually-hidden helper */
.sr { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* ── TOP BAR (slim, instrument-style) ────────────────────────────────── */
.topbar {
  position: sticky; top: 0; z-index: 30;
  background: rgba(12,13,16,0.84);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--hair);
  font-family: var(--type-mono);
  font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(240,235,225,0.55);
}
.topbar .row { display: flex; align-items: center; gap: 22px; padding: 12px 0; }
.topbar .wm { font-weight: 600; color: var(--paper); display: inline-flex; align-items: center; gap: 12px; letter-spacing: 0.18em; }
.topbar .wm .wm-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: 6px;
  background: var(--paper); padding: 4px; flex-shrink: 0;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.08), 0 1px 0 rgba(0,0,0,0.4) inset;
}
.topbar .wm .wm-mark img { width: 100%; height: 100%; object-fit: contain; display: block; }
.topbar .wm .wm-tagline { display: inline-flex; align-items: center; font: 600 12px/1 ui-monospace,"Geist Mono",Menlo,monospace; letter-spacing: 0.22em; color: var(--paper); opacity: 0.78; }
.topbar .wm .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--signal); box-shadow: 0 0 12px var(--signal-glow);
  animation: dot-pulse 2.4s ease-in-out infinite, crt-flicker 14s linear infinite;
}
@keyframes dot-pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.45; transform: scale(0.85); } }
@keyframes crt-flicker {
  0%, 89%, 100% { filter: none; }
  89.5%, 90.5% { filter: brightness(2.4) saturate(1.4); }
  90% { filter: brightness(0.4); }
  91%, 91.5% { filter: brightness(1.8); }
}
.topbar .breadcrumb { display: flex; align-items: center; gap: 14px; flex: 1; min-width: 0; overflow: hidden; }
.topbar .breadcrumb .step {
  display: inline-flex; align-items: center; gap: 8px;
  color: rgba(240,235,225,0.4);
  transition: color 200ms;
}
.topbar .breadcrumb .step.active,
.topbar .breadcrumb .step[aria-current="true"] { color: var(--signal); }
.topbar .breadcrumb a.step:not(.active):not([aria-current="true"]):hover { color: var(--paper); }
.topbar .breadcrumb .step .ix {
  font-family: var(--type-mono); font-size: 10px; letter-spacing: 0.18em;
  padding: 1px 6px; border: 1px solid currentColor; border-radius: 2px;
}
.topbar .breadcrumb .step .lbl { font-size: 11.5px; letter-spacing: 0.16em; }
.topbar .breadcrumb .arr { color: rgba(240,235,225,0.18); font-family: var(--type-mono); }
.topbar .meta-r { display: inline-flex; gap: 14px; align-items: center; color: rgba(240,235,225,0.4); }
.topbar .meta-r .live { display: inline-flex; align-items: center; gap: 6px; color: var(--signal); }
.topbar .meta-r .live::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 6px var(--signal); animation: dot-pulse 1.8s infinite; }
.topbar .cta {
  background: var(--signal); color: var(--ink);
  padding: 7px 14px; font-family: var(--type-mono); font-weight: 600; font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase; transition: transform 160ms;
}
.topbar .cta:hover { transform: translateY(-1px); }

/* ── PAGE LAYOUT — left rail + main ──────────────────────────────────── */
.page-shell {
  display: grid;
  grid-template-columns: var(--rail-w) 1fr;
  gap: 0;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  align-items: start;
}

/* ── LEFT RAIL TOC ───────────────────────────────────────────────────── */
.rail {
  position: sticky; top: 60px; align-self: start;
  padding: 56px 32px 48px 0;
  border-right: 1px solid var(--hair);
  height: calc(100vh - 60px); overflow-y: auto;
  scrollbar-width: thin;
  font-family: var(--type-mono); font-size: 11.5px;
}
.rail .rail-head {
  font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(240,235,225,0.4); margin-bottom: 20px;
  display: flex; align-items: center; gap: 10px;
}
.rail .rail-head::after { content: ""; flex: 1; height: 1px; background: var(--hair); }
.rail ol { list-style: none; padding: 0; margin: 0 0 28px; display: flex; flex-direction: column; gap: 2px; }
.rail ol li a {
  display: grid; grid-template-columns: 36px 1fr; gap: 10px;
  padding: 8px 6px 8px 12px; align-items: baseline;
  color: rgba(240,235,225,0.55);
  border-left: 1px solid transparent;
  margin-left: -12px;
  transition: color 180ms, border-color 180ms, background 180ms;
}
.rail ol li a:hover { color: var(--signal); }
.rail ol li a .ix { font-size: 10px; letter-spacing: 0.18em; color: rgba(240,235,225,0.4); padding: 1px 0; }
.rail ol li a .lbl { font-family: var(--type-mono); font-size: 12px; letter-spacing: 0.04em; text-transform: uppercase; }
.rail ol li.active a { color: var(--signal); border-left-color: var(--signal); background: linear-gradient(90deg, rgba(255,138,61,0.06) 0%, transparent 60%); }
.rail ol li.active a .ix { color: var(--signal); }

/* MINI-MAP */
.minimap {
  position: relative;
  margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--hair);
  font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(240,235,225,0.4);
}
.minimap .label { margin-bottom: 12px; }
.minimap .map {
  position: relative;
  display: grid; gap: 4px; grid-template-rows: repeat(6, 1fr);
  height: 180px; padding: 8px; border: 1px solid var(--hair);
  background: var(--ink-soft);
}
.minimap .map .seg {
  background: rgba(240,235,225,0.06);
  position: relative;
  transition: background 220ms, border-left-color 220ms;
  border-left: 2px solid transparent;
}
.minimap .map .seg.in { background: rgba(255,138,61,0.12); border-left-color: var(--signal); }
.minimap .scroll-marker {
  position: absolute; left: -4px; right: -4px; height: 2px;
  background: var(--signal); box-shadow: 0 0 6px var(--signal-glow);
  transition: top 120ms linear;
  pointer-events: none;
}

.rail .colophon {
  margin-top: 28px; padding-top: 22px; border-top: 1px solid var(--hair);
  font-size: 10px; letter-spacing: 0.14em; color: rgba(240,235,225,0.35);
  line-height: 1.7;
}
.rail .colophon em { font-family: var(--type-display); font-style: italic; color: rgba(240,235,225,0.62); font-size: 12px; letter-spacing: 0; text-transform: none; }

.main { min-width: 0; padding: 0 0 0 56px; }

/* ── SHEET HEADER — used at top of every section ─────────────────────── */
.sheet-head {
  display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: end; gap: 24px;
  padding: 60px 0 24px; margin-bottom: 36px;
  border-bottom: 1px solid var(--hair-strong);
  position: relative;
}
.sheet-head::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -3px; height: 1px;
  background: var(--hair); opacity: 0.5;
}
.sheet-head .ix {
  font-family: var(--type-mono); font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: rgba(240,235,225,0.45);
}
.sheet-head .ix strong { color: var(--signal); font-weight: 600; }
.sheet-head .ttl {
  font-family: var(--type-display); font-style: italic; font-weight: 400;
  font-size: clamp(36px, 4.4vw, 56px); line-height: 1.05; letter-spacing: -0.014em;
  margin: 0; color: var(--paper); text-align: center;
}
.sheet-head .rev {
  font-family: var(--type-mono); font-size: 10.5px; letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(240,235,225,0.4); text-align: right;
}
.sheet-head .rev .qc { color: var(--moss); }

/* Tear-line — between sheets */
.tear-line {
  height: 14px; margin: 0;
  background-image: radial-gradient(circle at 6px 7px, var(--ink-deep) 3px, transparent 3.5px);
  background-size: 12px 14px; background-repeat: repeat-x;
  border-bottom: 1px dashed var(--hair-strong);
  opacity: 0.65;
}

/* ── HERO ────────────────────────────────────────────────────────────── */
.hero { padding: 80px 0 64px; position: relative; overflow: hidden; }
.hero .meta {
  display: flex; align-items: center; gap: 18px;
  font-family: var(--type-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: rgba(240,235,225,0.5); margin-bottom: 32px;
}
.hero .meta .stamp { padding: 4px 10px; border: 1px solid var(--hair-strong); color: var(--paper); }
.hero .meta .rule { flex: 1; height: 1px; background: var(--hair); }

.hero h1 {
  font-family: var(--type-display); font-weight: 400; font-style: italic;
  font-size: clamp(56px, 9.4vw, 124px); line-height: 0.96; letter-spacing: -0.022em;
  margin: 0 0 28px; max-width: 16ch; color: var(--paper);
}
.hero h1 .accent { color: var(--signal); font-style: italic; }
.hero h1 .strike { font-style: italic; position: relative; display: inline-block; }
.hero h1 .strike::after {
  content: ""; position: absolute; left: -2%; right: -2%; top: 56%; height: 3px;
  background: linear-gradient(90deg, var(--signal) 0%, var(--rust) 50%, var(--signal) 100%);
  background-size: 200% 100%;
  transform: rotate(-2deg); transform-origin: left center;
  animation: strike-shimmer 4s ease-in-out infinite;
}
@keyframes strike-shimmer { 0%,100% { background-position: 0% 0%; } 50% { background-position: 100% 0%; } }

.hero .lede {
  max-width: 60ch;
  font-size: 18.5px; line-height: 1.55; color: rgba(240,235,225,0.78);
  margin: 0 0 24px;
}
.hero .lede .pill {
  display: inline-block; padding: 1px 8px;
  font-family: var(--type-mono); font-size: 14px;
  background: var(--signal-soft); color: var(--signal); border-radius: 2px;
}
.hero .ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 48px; }

/* ── BUTTONS ─────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 13px 22px; min-height: 46px;
  font-family: var(--type-mono); font-weight: 600; font-size: 13px;
  letter-spacing: 0.06em; text-transform: uppercase;
  border-radius: 0;
  transition: transform 200ms cubic-bezier(.18,1,.22,1), background 160ms, color 160ms, border-color 160ms, box-shadow 200ms;
  position: relative;
}
.btn-primary { background: var(--signal); color: var(--ink); border: 1px solid var(--signal); }
.btn-primary:hover { box-shadow: 0 12px 32px rgba(255,138,61,0.28); background: #ffa15c; }
.btn-ghost { color: var(--paper); border: 1px solid var(--hair-strong); background: transparent; }
.btn-ghost:hover { border-color: var(--signal); color: var(--signal); }
.btn-paper { background: var(--paper-ink); color: var(--paper); border: 1px solid var(--paper-ink); }
.btn-paper:hover { background: transparent; color: var(--paper-ink); }
.btn .arrow { transition: transform 160ms; }
.btn:hover .arrow { transform: translateX(3px); }

/* ── DATASHEET (interactive paste-and-review) ────────────────────────── */
.datasheet {
  display: grid; grid-template-columns: 1.05fr 1.25fr; gap: 0;
  border: 1px solid var(--hair-strong);
  background:
    repeating-linear-gradient(45deg, transparent 0 22px, rgba(240,235,225,0.025) 22px 23px),
    var(--ink);
  position: relative;
  transition: border-color 240ms;
}
.datasheet:hover { border-color: var(--signal-glow); }

/* drilling-holes corners */
.datasheet::before, .datasheet::after {
  content: ""; position: absolute; width: 6px; height: 6px; border-radius: 50%;
  background: var(--ink-deep); border: 1px solid var(--hair-strong);
}
.datasheet::before { top: 8px; left: 8px; }
.datasheet::after { bottom: 8px; right: 8px; }

.datasheet .panel { padding: 28px 28px 32px; min-height: 480px; position: relative; overflow: hidden; }
.datasheet .panel.input  { background: var(--ink-soft); border-right: 1px solid var(--hair-strong); display: flex; flex-direction: column; }
.datasheet .panel.output { background: var(--paper); color: var(--paper-ink); }

/* CROWN — header row at top of each panel */
.datasheet .crown {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-bottom: 14px; margin-bottom: 18px;
  border-bottom: 1px dashed var(--hair-strong);
  font-family: var(--type-mono);
}
.datasheet .panel.output .crown { border-bottom-color: var(--paper-line); }
.datasheet .crown .tag { font-size: 10.5px; letter-spacing: 0.2em; text-transform: uppercase; color: rgba(240,235,225,0.55); }
.datasheet .panel.output .crown .tag { color: rgba(22,21,19,0.55); }
.datasheet .crown .id { font-size: 11px; letter-spacing: 0.06em; color: var(--signal); }
.datasheet .panel.output .crown .id { color: var(--rust-paper); }

/* INPUT TEXTAREA — looks like SQL is being typed */
.datasheet .panel.input .editor {
  flex: 1; display: flex; flex-direction: column; gap: 10px;
  font-family: var(--type-mono); font-size: 13.5px; line-height: 1.65;
}
.datasheet .panel.input textarea {
  flex: 1; min-height: 280px; width: 100%;
  font-family: var(--type-mono); font-size: 13.5px; line-height: 1.65;
  color: rgba(240,235,225,0.92);
  caret-color: var(--signal);
  white-space: pre; tab-size: 2;
}
.datasheet .panel.input textarea::placeholder {
  color: rgba(240,235,225,0.32);
  font-style: normal;
}
.datasheet .panel.input .toolbar {
  display: flex; gap: 6px; flex-wrap: wrap; padding-top: 10px;
  border-top: 1px dashed var(--hair-strong);
  font-family: var(--type-mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase;
}
.datasheet .panel.input .toolbar .preset {
  padding: 6px 10px; border: 1px solid var(--hair-strong); color: rgba(240,235,225,0.62);
  cursor: pointer; transition: color 160ms, border-color 160ms, background 160ms;
}
.datasheet .panel.input .toolbar .preset:hover { color: var(--signal); border-color: var(--signal); background: var(--signal-soft); }
.datasheet .panel.input .toolbar .preset.active { color: var(--ink); background: var(--signal); border-color: var(--signal); }
.datasheet .panel.input .toolbar .clr { margin-left: auto; color: rgba(240,235,225,0.4); border-color: transparent; padding: 6px 4px; }
.datasheet .panel.input .toolbar .clr:hover { color: var(--rust); }

/* OUTPUT — cream paper with perforated tear edge */
.datasheet .panel.output {
  background:
    /* horizontal rule lines (very subtle, like ledger paper) */
    repeating-linear-gradient(transparent 0 26px, rgba(22,21,19,0.05) 26px 27px),
    var(--paper);
}
/* PERFORATED TEAR-EDGE on the LEFT side of cream panel — the "did you see that" detail */
.datasheet .panel.output::before {
  content: ""; position: absolute; left: -1px; top: 0; bottom: 0; width: 14px;
  background-color: var(--ink-soft);
  background-image: radial-gradient(circle at 7px 12px, var(--paper) 6px, transparent 6.5px);
  background-size: 14px 24px; background-repeat: repeat-y;
  pointer-events: none;
  z-index: 2;
}
.datasheet .panel.output { padding-left: 36px; }

.review {
  font-family: var(--type-mono); font-size: 12.5px; line-height: 1.7; color: var(--paper-ink);
  position: relative; z-index: 3;
}
.review h4 {
  font-family: var(--type-mono); font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(22,21,19,0.7); font-weight: 600; margin: 14px 0 6px;
  display: flex; align-items: center; gap: 10px;
}
.review h4::before {
  content: ""; width: 8px; height: 8px; flex: none;
  border: 1px solid var(--paper-ink); transform: rotate(45deg);
}
.review h4:first-child { margin-top: 0; }
.review p { margin: 0 0 10px; }
.review .ddl {
  display: block; padding: 10px 12px; margin: 6px 0 12px;
  background: var(--paper-warm); border-left: 3px solid var(--rust-paper);
  white-space: pre-wrap; word-break: break-word; font-size: 12px;
  position: relative;
}
.review .ddl::after {
  content: "DDL · APPLY CONCURRENTLY"; position: absolute; top: -1px; right: 6px;
  font-size: 8.5px; letter-spacing: 0.2em; color: var(--rust-paper); font-weight: 600;
  background: var(--paper-warm); padding: 1px 6px; transform: translateY(-50%);
}
.review .ddl .add { color: var(--moss-paper); font-weight: 500; }
.review .ddl .del { color: var(--rust-paper); font-weight: 500; text-decoration: line-through; opacity: 0.7; }
.review .row { display: grid; grid-template-columns: 110px 1fr; gap: 14px; padding: 4px 0; border-top: 1px dotted var(--paper-line); }
.review .row:first-of-type { border-top: 0; }
.review .row .label { color: rgba(22,21,19,0.55); letter-spacing: 0.08em; text-transform: uppercase; font-size: 10px; padding-top: 3px; }
.review .row .val { font-size: 13px; }
.review .row .val strong { color: var(--rust-paper); font-weight: 600; }
.review .conf {
  display: inline-flex; align-items: baseline; gap: 6px; padding: 1px 8px;
  background: var(--paper-warm); color: var(--paper-ink);
}
.review .conf .n { font-size: 14px; font-weight: 600; }
.review .empty { color: rgba(22,21,19,0.45); font-style: italic; padding: 28px 0; }
.review .working {
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--rust-paper); display: inline-flex; align-items: center; gap: 8px;
}
.review .working::after {
  content: ""; width: 10px; height: 10px; border-radius: 50%;
  background: var(--rust-paper); animation: dot-pulse 1s infinite;
}

/* analyzed-by stamp on the cream panel */
.review .stamp {
  display: inline-block; margin-top: 18px; padding: 4px 10px;
  border: 1px solid var(--moss-paper); color: var(--moss-paper);
  font-family: var(--type-mono); font-size: 9.5px; letter-spacing: 0.22em; text-transform: uppercase;
  transform: rotate(-2deg); transform-origin: left center;
}

/* SQL syntax inside textarea highlight overlay (using ::after) — nope, just caret-color is enough */

/* ── SAMPLE — full review rendered as actual paper ───────────────────── */
.sample {
  background: var(--paper); color: var(--paper-ink);
  padding: 56px 64px 64px;
  position: relative;
  font-family: var(--type-mono);
  border: 1px solid var(--paper-line);
}
.sample::before, .sample::after {
  content: ""; position: absolute; left: 0; right: 0; height: 14px;
  background-color: var(--ink-soft);
  background-image: radial-gradient(circle at 12px 7px, var(--paper) 6px, transparent 6.5px);
  background-size: 24px 14px; background-repeat: repeat-x;
  pointer-events: none;
}
.sample::before { top: -1px; }
.sample::after { bottom: -1px; }
.sample .crown {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px; align-items: baseline;
  padding-bottom: 20px; margin-bottom: 28px; border-bottom: 1px solid var(--paper-line);
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
}
.sample .crown .id { color: var(--rust-paper); font-weight: 600; }
.sample .crown .ttl { font-family: var(--type-display); font-style: italic; font-size: 30px; letter-spacing: -0.01em; text-transform: none; color: var(--paper-ink); }
.sample .crown .meta { text-align: right; color: rgba(22,21,19,0.55); }
.sample-body { display: grid; grid-template-columns: 1fr 1fr; gap: 36px 48px; }
.sample h3 {
  font-family: var(--type-mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase;
  color: rgba(22,21,19,0.7); margin: 0 0 12px; font-weight: 600;
  padding-bottom: 6px; border-bottom: 1px dashed var(--paper-line);
}
.sample p { margin: 0 0 10px; font-size: 13.5px; line-height: 1.65; color: var(--paper-ink); }
.sample code {
  font-family: var(--type-mono); font-size: 12.5px; padding: 1px 6px;
  background: var(--paper-warm); color: var(--rust-paper);
}
.sample .codeblock {
  background: var(--paper-warm); padding: 14px 16px; margin: 8px 0;
  font-family: var(--type-mono); font-size: 12px; line-height: 1.6;
  white-space: pre; overflow-x: auto;
  border-left: 3px solid var(--rust-paper);
}
.sample .codeblock .add { color: var(--moss-paper); font-weight: 500; }
.sample .codeblock .del { color: var(--rust-paper); text-decoration: line-through; opacity: 0.7; }
.sample .codeblock .com { color: rgba(22,21,19,0.5); font-style: italic; }
.sample details { padding: 8px 0; border-top: 1px dotted var(--paper-line); }
.sample details summary {
  list-style: none; cursor: pointer;
  font-family: var(--type-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--rust-paper); display: flex; align-items: center; gap: 8px;
  padding: 6px 0;
}
.sample details summary::-webkit-details-marker { display: none; }
.sample details summary::before { content: "+"; font-size: 16px; color: var(--rust-paper); width: 14px; text-align: center; transition: transform 200ms; }
.sample details[open] summary::before { content: "−"; }
.sample details p { padding-left: 22px; }
.sample .meter-grid {
  grid-column: 1/-1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  border-top: 1px solid var(--paper-line); border-bottom: 1px solid var(--paper-line);
  margin-top: 14px;
}
.sample .meter-grid .cell {
  padding: 16px 18px; border-right: 1px dotted var(--paper-line);
  display: flex; flex-direction: column; gap: 4px;
}
.sample .meter-grid .cell:last-child { border-right: 0; }
.sample .meter-grid .lbl { font-family: var(--type-mono); font-size: 9.5px; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(22,21,19,0.55); }
.sample .meter-grid .v { font-family: var(--type-display); font-style: italic; font-size: 30px; line-height: 1; color: var(--rust-paper); }
.sample .meter-grid .v small { font-family: var(--type-mono); font-style: normal; font-size: 13px; color: rgba(22,21,19,0.55); margin-left: 4px; }

/* ── WALL — operator dashboard tiles ─────────────────────────────────── */
.wall {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--hair-strong);
  background: var(--ink-card);
}
.wall .tile {
  padding: 22px 22px 20px;
  border-right: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  display: flex; flex-direction: column; gap: 10px;
  position: relative; min-height: 180px;
  transition: background 200ms, transform 220ms;
}
.wall .tile:hover { background: var(--ink-soft); transform: translateY(-2px); }
.wall .tile:nth-child(3n) { border-right: 0; }
.wall .tile:nth-last-child(-n+3) { border-bottom: 0; }
.wall .tile .id {
  font-family: var(--type-mono); font-size: 10.5px; letter-spacing: 0.16em;
  color: var(--signal); display: flex; align-items: center; gap: 8px;
}
.wall .tile .id::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 4px var(--signal); }
.wall .tile .neck {
  font-family: var(--type-display); font-style: italic; font-size: 19px; line-height: 1.25;
  color: var(--paper); letter-spacing: -0.005em; flex: 1;
}
.wall .tile .fix {
  font-family: var(--type-mono); font-size: 11.5px; line-height: 1.55;
  color: rgba(240,235,225,0.65);
}
.wall .tile .fix code {
  background: rgba(255,138,61,0.10); color: var(--signal);
  padding: 1px 5px; font-size: 10.5px;
}
.wall .tile .delta {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 12px; border-top: 1px dashed var(--hair);
  font-family: var(--type-mono); font-size: 11px;
}
.wall .tile .delta .from { color: rgba(240,235,225,0.4); text-decoration: line-through; }
.wall .tile .delta .arr { color: rgba(240,235,225,0.32); margin: 0 8px; }
.wall .tile .delta .to { color: var(--signal); font-weight: 600; }

/* ── PIPELINE ROWS (the engine) ──────────────────────────────────────── */
.pipeline { border-top: 1px solid var(--hair-strong); border-bottom: 1px solid var(--hair-strong); }
.pipeline .row {
  display: grid; grid-template-columns: 100px 220px 1fr 100px;
  gap: 32px; align-items: start;
  padding: 32px 0; border-bottom: 1px solid var(--hair);
  transition: background 200ms;
}
.pipeline .row:hover { background: rgba(255,138,61,0.02); }
.pipeline .row:last-child { border-bottom: 0; }
.pipeline .row .stage {
  font-family: var(--type-mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--signal);
  display: flex; align-items: baseline; gap: 6px;
}
.pipeline .row .stage::before {
  content: ""; width: 14px; height: 1px; background: var(--signal); flex: none;
  align-self: center; transform: translateY(-1px);
}
.pipeline .row .name {
  font-family: var(--type-display); font-style: italic; font-size: 30px; line-height: 1.1; color: var(--paper);
  transition: color 200ms, transform 240ms;
}
.pipeline .row:hover .name { color: var(--signal); transform: translateX(4px); }
.pipeline .row .desc { color: rgba(240,235,225,0.78); font-size: 15.5px; line-height: 1.6; }
.pipeline .row .desc code {
  font-family: var(--type-mono); font-size: 13px; padding: 1px 6px;
  background: var(--ink-soft); border: 1px solid var(--hair); color: var(--signal);
}
.pipeline .row .meter { font-family: var(--type-mono); font-size: 12px; color: rgba(240,235,225,0.5); text-align: right; padding-top: 6px; }

/* ── PRICING TABLE (datasheet style) ─────────────────────────────────── */
.pricing-table {
  width: 100%; border-collapse: collapse; font-family: var(--type-mono); font-size: 13.5px;
}
.pricing-table thead th {
  text-align: left; padding: 18px 22px;
  font-family: var(--type-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: rgba(240,235,225,0.5); font-weight: 600;
  border-bottom: 1px solid var(--hair-strong);
}
.pricing-table thead th.tier-head {
  font-family: var(--type-display); font-style: italic; font-size: 32px; letter-spacing: -0.01em;
  color: var(--paper); text-transform: none; padding-top: 26px;
}
.pricing-table thead th.tier-head .price {
  display: block; font-family: var(--type-mono); font-size: 13.5px; font-style: normal;
  color: var(--signal); margin-top: 4px; letter-spacing: 0;
}
.pricing-table thead th.tier-head.featured { color: var(--signal); }
.pricing-table tbody tr { transition: background 160ms; }
.pricing-table tbody tr:hover { background: rgba(240,235,225,0.04); }
.pricing-table tbody td,
.pricing-table tbody th {
  padding: 14px 22px; vertical-align: top; text-align: left;
  border-bottom: 1px dotted var(--hair); color: rgba(240,235,225,0.82);
  font-weight: 400;
}
/* Row labels — works whether the markup uses td:first-child (legacy) or
   th[scope="row"] (Pass 4 a11y upgrade, see index.html pricing-table). */
.pricing-table tbody td:first-child,
.pricing-table tbody th[scope="row"] {
  color: rgba(240,235,225,0.55); letter-spacing: 0.02em;
  font-family: var(--type-mono); font-size: 12.5px;
}
.pricing-table tbody td.yes { color: var(--signal); font-weight: 600; }
.pricing-table tbody td.no  { color: rgba(240,235,225,0.32); }
.pricing-table tbody td.note { font-size: 11.5px; color: rgba(240,235,225,0.55); }
.pricing-table tfoot td { padding: 24px 22px; }
.pricing-table .featured { background: rgba(255,138,61,0.04); }
.pricing-table tbody tr:hover td.featured { background: rgba(255,138,61,0.08); }

/* ── FAQ ─────────────────────────────────────────────────────────────── */
.faq { display: grid; grid-template-columns: 1fr; gap: 0; }
.faq details { border-top: 1px solid var(--hair); padding: 22px 0; }
.faq details:last-of-type { border-bottom: 1px solid var(--hair); }
.faq summary {
  list-style: none; cursor: pointer;
  display: grid; grid-template-columns: 60px 1fr 30px; gap: 18px; align-items: baseline;
  font-family: var(--type-display); font-size: 26px; font-weight: 400; line-height: 1.25; color: var(--paper);
  transition: color 200ms, padding-left 200ms;
}
.faq summary:hover { padding-left: 6px; color: var(--signal); }
.faq details[open] summary { color: var(--signal); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .qn { font-family: var(--type-mono); font-size: 12px; color: var(--signal); letter-spacing: 0.12em; padding-top: 6px; }
.faq summary .mark { font-family: var(--type-mono); font-size: 22px; color: var(--signal); text-align: right; padding-top: 2px; transition: transform 200ms; }
.faq details[open] summary .mark { transform: rotate(45deg); }
.faq details p { margin: 14px 0 4px 78px; max-width: 70ch; font-size: 16px; line-height: 1.65; color: rgba(240,235,225,0.78); }
.faq details p code { font-family: var(--type-mono); font-size: 13px; padding: 1px 5px; background: var(--ink-soft); border: 1px solid var(--hair); color: var(--signal); }

/* ── WORK-ORDER (waitlist form) ──────────────────────────────────────── */
.work-order { background: var(--paper); color: var(--paper-ink); padding: clamp(28px, 5vw, 56px); position: relative; border: 1px solid var(--paper-line); }
.work-order::before, .work-order::after {
  content: ""; position: absolute; left: 0; right: 0; height: 14px;
  background-color: var(--ink-soft);
  background-image: radial-gradient(circle at 12px 7px, var(--paper) 6px, transparent 6.5px);
  background-size: 24px 14px; background-repeat: repeat-x;
  pointer-events: none;
}
.work-order::before { top: -1px; }
.work-order::after { bottom: -1px; }
.work-order .crown {
  display: flex; justify-content: space-between; align-items: baseline;
  border-bottom: 1px dashed var(--paper-line);
  padding-bottom: 14px; margin-bottom: 26px;
}
.work-order .crown .ttl { font-family: var(--type-display); font-style: italic; font-size: 32px; }
.work-order .crown .form-no {
  font-family: var(--type-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: rgba(22,21,19,0.55);
}
.work-order .lede { font-size: 16px; max-width: 60ch; color: rgba(22,21,19,0.78); margin-bottom: 22px; }
.work-order form { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 22px; }
.work-order form label {
  display: flex; flex-direction: column; gap: 6px;
  font-family: var(--type-mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(22,21,19,0.55);
}
.work-order form label.full { grid-column: 1 / -1; }
.work-order input, .work-order textarea {
  background: transparent; border: 0; border-bottom: 1px solid var(--paper-line);
  padding: 8px 0 10px; color: var(--paper-ink);
  font-family: var(--type-mono); font-size: 14px; outline: none;
  transition: border-color 160ms;
}
.work-order input:focus, .work-order textarea:focus { border-bottom-color: var(--signal); }
.work-order textarea { resize: vertical; min-height: 84px; }
.work-order button.submit {
  grid-column: 1 / -1;
  background: var(--paper-ink); color: var(--paper);
  padding: 16px 22px; font-family: var(--type-mono); font-weight: 600; font-size: 13px;
  letter-spacing: 0.12em; text-transform: uppercase;
  transition: background 160ms, color 160ms;
}
.work-order button.submit:hover { background: var(--signal); color: var(--ink); }
.work-order button.submit:disabled { opacity: 0.6; cursor: wait; }

/* ── FOOTER (colophon w/ QC stamp) ───────────────────────────────────── */
footer.colophon {
  border-top: 1px solid var(--hair);
  padding: 56px 0 40px;
  font-family: var(--type-mono); font-size: 12px;
  color: rgba(240,235,225,0.5); letter-spacing: 0.04em;
}
footer.colophon .row { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 32px; }
footer.colophon h5 {
  font-family: var(--type-mono); font-size: 10.5px; letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--paper); margin: 0 0 12px; font-weight: 600;
}
footer.colophon a { display: block; color: rgba(240,235,225,0.62); padding: 4px 0; transition: color 160ms; }
footer.colophon a:hover { color: var(--signal); }
footer.colophon .qc-stamp {
  margin: 36px 0 24px; padding: 14px 18px;
  border: 1px dashed var(--hair-strong);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 18px;
  font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase;
}
footer.colophon .qc-stamp .pass {
  display: inline-flex; align-items: baseline; gap: 8px;
  color: var(--moss); font-weight: 600;
}
footer.colophon .qc-stamp .pass::before {
  content: ""; width: 10px; height: 10px; border: 2px solid var(--moss); border-radius: 50%;
}
footer.colophon .signoff {
  margin-top: 12px; padding-top: 24px; border-top: 1px solid var(--hair);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 18px;
}
footer.colophon .signoff em {
  font-family: var(--type-display); font-style: italic; color: rgba(240,235,225,0.7);
  font-size: 14px;
}

/* SCROLL PROGRESS HAIRLINE */
.scroll-progress { position: fixed; top: 0; left: 0; height: 1px; width: 0; background: var(--signal); z-index: 99; box-shadow: 0 0 8px var(--signal-glow); }

/* REVEAL — gated by .js so no-JS / crawlers see baseline content */
.js .reveal { opacity: 0; transform: translateY(14px); transition: opacity .7s cubic-bezier(.2,.8,.2,1), transform .7s cubic-bezier(.2,.8,.2,1); }
.js .reveal.in { opacity: 1; transform: translateY(0); }
.js .hero h1 { opacity: 0; transform: translateY(18px); transition: opacity 700ms cubic-bezier(.2,.8,.2,1), transform 700ms cubic-bezier(.2,.8,.2,1); }
.js .hero h1.in { opacity: 1; transform: translateY(0); }

/* Cursor spotlight inside hero */
.cursor-spot {
  position: absolute; left: 0; top: 0; width: 400px; height: 400px;
  pointer-events: none; z-index: 0;
  background: radial-gradient(circle, rgba(255,138,61,0.14) 0%, rgba(255,138,61,0.04) 40%, transparent 70%);
  filter: blur(8px); will-change: transform;
}
.hero .shell { position: relative; z-index: 2; }

/* RESPONSIVE — collapse rail and grids ─────────────────────────────── */
@media (max-width: 1100px) {
  :root { --rail-w: 200px; }
  .main { padding-left: 32px; }
  .wall { grid-template-columns: repeat(2, 1fr); }
  .wall .tile:nth-child(3n) { border-right: 1px solid var(--hair); }
  .wall .tile:nth-child(2n) { border-right: 0; }
  .wall .tile:nth-last-child(-n+3) { border-bottom: 1px solid var(--hair); }
  .wall .tile:nth-last-child(-n+2) { border-bottom: 0; }
}
@media (max-width: 880px) {
  .page-shell { grid-template-columns: 1fr; }
  .rail { display: none; }
  .main { padding-left: 0; }
  .topbar .breadcrumb { display: none; }
  .datasheet { grid-template-columns: 1fr; }
  .datasheet .panel.input { border-right: 0; border-bottom: 1px solid var(--hair-strong); }
  .datasheet .panel.output::before { display: none; }
  .datasheet .panel.output { padding-left: 28px; }
  .wall { grid-template-columns: 1fr; }
  .wall .tile { border-right: 0 !important; border-bottom: 1px solid var(--hair) !important; }
  .wall .tile:last-child { border-bottom: 0 !important; }
  .pipeline .row { grid-template-columns: 100px 1fr; }
  .pipeline .row .desc, .pipeline .row .meter { grid-column: 1 / -1; }
  .pipeline .row .stage, .pipeline .row .name { padding-bottom: 4px; }
  .sheet-head { grid-template-columns: 1fr; gap: 8px; padding: 40px 0 16px; margin-bottom: 24px; }
  .sheet-head .ttl { text-align: left; font-size: 32px; }
  .sheet-head .rev { text-align: left; }
  .sample { padding: 36px 24px 40px; }
  .sample-body { grid-template-columns: 1fr; gap: 24px; }
  .pricing-table thead th, .pricing-table tbody td { padding: 10px 12px; font-size: 12px; }
  .pricing-table thead th.tier-head { font-size: 24px; }
  .work-order form { grid-template-columns: 1fr; }
  footer.colophon .row { grid-template-columns: 1fr 1fr; }
  .hero { padding: 48px 0 48px; }
  .sample .meter-grid { grid-template-columns: 1fr 1fr; }
  .sample .meter-grid .cell:nth-child(2) { border-right: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* ─────────────────────────────────────────────────────────────────────────
   PASS 3 ADDITIONS — 2026-05-03
   1. Keyboard hint chips below toolbar
   2. Per-tile sparkline + hover-reveal "changed" caption
   3. Paper-curl animation on tear-edges as hero leaves viewport
   4. Working-state typewriter
   ───────────────────────────────────────────────────────────────────────── */

/* ── 01 · Keyboard hint chips + typewriter slot ─────────────────────────── */
.datasheet .panel.input .kbd-hints {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin-top: 10px; padding-top: 8px;
  font-family: var(--type-mono); font-size: 9.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(240,235,225,0.42);
}
.datasheet .panel.input .kbd-hints .hint { display: inline-flex; align-items: center; gap: 4px; }
.datasheet .panel.input .kbd-hints kbd {
  font-family: var(--type-mono); font-size: 9.5px;
  padding: 2px 5px; min-width: 16px; text-align: center;
  background: var(--ink); color: rgba(240,235,225,0.78);
  border: 1px solid var(--hair-strong);
  border-bottom-width: 2px;
  border-radius: 2px;
  letter-spacing: 0;
}
.datasheet .panel.input .kbd-hints .dot-sep { color: rgba(240,235,225,0.22); }
.datasheet .panel.input .kbd-hints .typewriter {
  margin-left: auto;
  color: var(--signal); letter-spacing: 0.18em;
  min-height: 14px; min-width: 0;
  font-variant-numeric: tabular-nums;
  position: relative;
}
.datasheet .panel.input .kbd-hints .typewriter:not(:empty)::after {
  content: ""; display: inline-block; width: 6px; height: 10px;
  background: var(--signal); margin-left: 4px;
  animation: tw-caret 0.9s steps(1) infinite;
  vertical-align: -1px;
}
@keyframes tw-caret { 0%, 49% { opacity: 1; } 50%, 100% { opacity: 0; } }

/* ── 02 · Sparkline inside each WALL tile delta row ─────────────────────── */
.wall .tile .delta { gap: 4px; }
.wall .tile .delta .spark {
  flex: none; width: 48px; height: 12px;
  margin-left: auto;
  opacity: 0.85; overflow: visible;
}
.wall .tile .delta .spark polyline {
  fill: none; stroke: var(--signal); stroke-width: 1.2;
  stroke-linejoin: round; stroke-linecap: round;
  filter: drop-shadow(0 0 2px var(--signal-glow));
  vector-effect: non-scaling-stroke;
}
.wall .tile .delta .arr { margin: 0 6px; }
.wall .tile .delta .to { margin-right: 6px; }

/* ── 03 · Hover-reveal "what changed" caption per tile ──────────────────── */
.wall .tile { overflow: hidden; }
.wall .tile .changed {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 10px 16px 12px;
  background: linear-gradient(180deg, rgba(12,13,16,0.0) 0%, rgba(12,13,16,0.92) 24%, rgba(12,13,16,0.96) 100%);
  font-family: var(--type-mono); font-size: 10.5px; line-height: 1.5;
  color: rgba(240,235,225,0.86); letter-spacing: 0.02em;
  border-top: 1px dashed var(--signal-glow);
  transform: translateY(101%);
  transition: transform 260ms cubic-bezier(.18,1,.22,1);
  pointer-events: none;
}
.wall .tile .changed::before {
  content: "// CHANGED"; display: block;
  font-size: 8.5px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--signal); margin-bottom: 4px;
}
.wall .tile:hover .changed,
.wall .tile:focus-within .changed { transform: translateY(0); }

/* Pass 4 a11y (CE-B7): on touch/mobile (≤768px) hover doesn't exist. Show the
   "// CHANGED" caption inline so the information is reachable without hover. */
@media (max-width: 768px) {
  .wall .tile { overflow: visible; }
  .wall .tile .changed {
    position: static;
    transform: none;
    background: rgba(12,13,16,0.55);
    border-top: 1px dashed var(--signal-glow);
    margin-top: 12px;
    padding: 8px 0 0;
  }
}

/* ── 04 · Paper-curl animation on tear-edges (scroll-driven, hero only) ── */
.tear-line {
  transform-origin: 50% 0%;
  transition: transform 480ms cubic-bezier(.2,.8,.2,1), filter 480ms cubic-bezier(.2,.8,.2,1);
  will-change: transform;
}
.tear-line.curl {
  transform: perspective(640px) rotateX(-12deg) translateY(-2px) scaleY(1.18);
  filter: drop-shadow(0 4px 6px rgba(0,0,0,0.45));
}

/* ── 05 · Reduced-motion: kill curl + caret blink ───────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .tear-line.curl { transform: none; filter: none; }
  .datasheet .panel.input .kbd-hints .typewriter::after { animation: none; opacity: 0.6; }
}

/* ── 06 · Mobile niceties for hint chips / sparklines ───────────────────── */
@media (max-width: 880px) {
  .datasheet .panel.input .kbd-hints { font-size: 9px; gap: 6px; }
  .datasheet .panel.input .kbd-hints .typewriter { margin-left: 0; flex-basis: 100%; }
  .wall .tile .delta { flex-wrap: wrap; }
  .wall .tile .delta .spark { margin-left: 0; }
}

/* ── 07 · Pass-5/6: full-bleed hero canvas + cached editorial images ─────────────────── */
.hero { position: relative; isolation: isolate; }
.hero .hero-canvas {
  position: absolute; inset: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 0; opacity: 0.45;
  display: block;
}
.hero .hero-veil {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(ellipse 60% 50% at 50% 35%, rgba(12,13,16,0) 0%, rgba(12,13,16,0.55) 70%, rgba(12,13,16,0.92) 100%),
    linear-gradient(180deg, rgba(12,13,16,0.15) 0%, rgba(12,13,16,0.55) 100%);
}
.hero > *:not(.hero-canvas):not(.hero-veil) { position: relative; z-index: 2; }
.split-char { display: inline-block; will-change: transform, opacity; }

.wall-rail {
  margin: 0 0 28px; padding: 12px; border: 1px dashed var(--hair);
  background: rgba(240,235,225,0.02); display: grid; grid-template-columns: 220px 1fr;
  gap: 18px; align-items: center;
}
.wall-rail img { width: 100%; max-width: 220px; height: auto; border: 1px solid var(--hair); display: block; filter: saturate(0.85) contrast(1.05); }
.wall-rail figcaption { font-family: var(--type-mono); font-size: 10.5px; letter-spacing: 0.18em; text-transform: uppercase; color: rgba(240,235,225,0.55); }

.section-break {
  margin: 64px 0 48px; padding: 0; max-width: 980px; overflow: hidden;
  border: 1px solid var(--hair); aspect-ratio: 16 / 6;
}
.section-break img {
  width: 100%; height: 100%; object-fit: cover; object-position: center 60%;
  display: block; filter: saturate(0.8) brightness(0.85);
}

.engine-spot { margin: 0 0 32px; max-width: 220px; opacity: 0.85; }
.engine-spot img { width: 100%; height: auto; display: block; filter: saturate(0.9); }

.panel.output { position: relative; isolation: isolate; }
.panel.output .output-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: 0.08; mix-blend-mode: screen; pointer-events: none; z-index: 0;
  border-radius: inherit;
}
.panel.output > .crown, .panel.output > #review-out { position: relative; z-index: 1; }

@media (max-width: 880px) {
  .wall-rail { grid-template-columns: 1fr; }
  .wall-rail img { max-width: 100%; }
  .section-break { aspect-ratio: 4 / 3; margin: 40px 0 32px; }
}
@media (prefers-reduced-motion: reduce) { .shader-grain { display: none; } }

/* SCRUB HERO — scroll-typed psql session + red-pen overlay */
.psql-scrub{
  position: relative;
  margin: 32px 0 24px;
  max-width: 860px;
  width: 100%;
  z-index: 2;
}
.psql-frame{
  position: relative;
  background: rgba(12,13,16,0.92);
  border: 1px solid rgba(255,138,61,0.22);
  padding: 28px 28px 28px 32px;
  box-shadow: 0 30px 60px -22px rgba(0,0,0,0.55), inset 0 0 0 1px rgba(255,138,61,0.05);
}
.psql-label{
  display: block;
  color: var(--signal);
  font-family: var(--type-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin-bottom: 14px;
  opacity: 0.85;
}
#scrub-target{
  font-family: var(--type-mono);
  font-size: 14.5px;
  line-height: 1.55;
  color: #efe6d4;
  white-space: pre-wrap;
  margin: 0;
  min-height: 220px;
  letter-spacing: 0.01em;
  word-break: break-word;
}
#scrub-target .caret{
  display: inline-block;
  color: var(--signal);
  text-shadow: 0 0 8px var(--signal-glow);
  animation: caret-blink 0.85s steps(2) infinite;
  margin-left: 1px;
}
@keyframes caret-blink{ 50% { opacity: 0 } }

.red-pen-overlay{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.red-pen-overlay path{
  fill: none;
  stroke: var(--signal);
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 0 6px var(--signal-glow));
}
.red-pen-overlay text{
  font-family: var(--type-mono);
  font-size: 10.5px;
  fill: var(--signal);
  letter-spacing: 0.06em;
  opacity: 0;
  transition: opacity 220ms ease;
}
.red-pen-overlay text.shown{ opacity: 1 }

@media (max-width: 760px){
  .red-pen-overlay{ display: none }
  .psql-frame{ padding: 22px 18px }
  #scrub-target{ font-size: 13px; min-height: 180px }
}
@media (prefers-reduced-motion: reduce){
  .red-pen-overlay path{ stroke-dasharray: none !important; stroke-dashoffset: 0 !important }
  .red-pen-overlay text{ opacity: 1 }
  #scrub-target .caret{ animation: none }
}
