/* jev-lsp landing — dark cinematic product page.
 * Static HTML/CSS only. Amber #f0b849 = diagnostic signal + primary CTA.
 * Machine #0e1117 = product chrome. No webfont CDN, no JS.
 */

:root {
  color-scheme: dark;
  --bg: #07080b;
  --bg-elev: #0c0e13;
  --ink: #eef1f6;
  --ink-soft: #b8c0cc;
  --muted: #7e8896;
  --line: rgba(255, 255, 255, 0.06);
  --line-strong: rgba(255, 255, 255, 0.1);
  --accent: #f0b849;
  --accent-dim: rgba(240, 184, 73, 0.14);
  --accent-glow: rgba(240, 184, 73, 0.35);
  --machine: #0e1117;
  --machine-2: #12161e;
  --machine-3: #181d27;
  --machine-ink: #d8dee8;
  --machine-dim: #8b96a5;
  --ok: #6bcf7f;
  --tok: #c4a8ff;
  --fn: #7ec8ff;
  --str: #9ddea8;
  --num: #f0b849;
  --key: #8b96a5;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-win:
    0 0 0 1px rgba(255, 255, 255, 0.06),
    0 24px 64px rgba(0, 0, 0, 0.55),
    0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-float:
    0 0 0 1px rgba(255, 255, 255, 0.05),
    0 40px 80px rgba(0, 0, 0, 0.65);
  --sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono",
    monospace;
  --shell: 72rem;
  --gutter: clamp(1.15rem, 4vw, 2.25rem);
  --t-xs: 0.75rem;
  --t-sm: 0.875rem;
  --t-body: 1.0625rem;
  --t-lead: 1.125rem;
  --t-h2: clamp(1.45rem, 1.15rem + 1.2vw, 1.85rem);
  --t-display: clamp(2.6rem, 1.7rem + 3.2vw, 3.5rem);
  --t-code: 0.8125rem;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font: var(--t-body) / 1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: clip;
}
img, svg, video, canvas { max-width: 100%; height: auto; }
.shell, .hero-layout, .hero-stage, .hero-copy, .split, .loop-layout,
.start-layout, .client-showcase, .demo-frame, .win, .float-card, .cost-card {
  min-width: 0;
  max-width: 100%;
}

.skip {
  position: absolute; top: 0; left: 0; width: 1px; height: 1px;
  overflow: hidden; clip-path: inset(50%);
}
.skip:focus {
  width: auto; height: auto; clip-path: none; z-index: 100;
  padding: 0.55rem 1rem; background: var(--accent); color: #0e1117;
  font: 650 var(--t-sm) / 1.3 var(--sans); text-decoration: none;
}

.shell {
  max-width: var(--shell);
  width: 100%;
  margin-inline: auto;
  padding-inline: var(--gutter);
  box-sizing: border-box;
}

/* ---------- header ---------- */
.site-head {
  position: sticky; top: 0; z-index: 40;
  background: rgba(7, 8, 11, 0.92);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--line);
}
.site-head .shell {
  display: flex; flex-wrap: nowrap; align-items: center;
  justify-content: space-between; gap: 1rem 1.5rem;
  padding-block: 0.85rem;
}
.brand {
  display: inline-flex; align-items: center; gap: 0.55rem;
  flex-shrink: 0; min-width: 0;
}
/* No logo ticks / accent bars — ever */
.brand::before,
.brand::after,
.brand .wordmark::before,
.brand .wordmark::after,
.brand .wip::before,
.brand .wip::after {
  content: none !important;
  display: none !important;
  width: 0 !important;
  height: 0 !important;
  background: none !important;
  border: 0 !important;
}
.wordmark {
  display: inline-flex; align-items: center;
  font: 800 1.15rem / 1 var(--mono);
  letter-spacing: -0.03em;
  color: var(--ink);
  text-decoration: none !important;
  text-decoration-thickness: 0 !important;
  text-underline-offset: 0 !important;
  border: 0;
  box-shadow: none;
  background: transparent;
}
.wordmark:hover, .wordmark:focus-visible {
  color: var(--ink);
  background: transparent !important;
  text-decoration: none !important;
  filter: none;
}
.wip {
  padding: 0.15rem 0.42rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--muted);
  font: 550 0.62rem / 1.2 var(--sans);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  background: transparent;
  /* never pick up accent */
  box-shadow: none;
}
.toc {
  display: flex; flex-wrap: nowrap; gap: 0.15rem; align-items: center;
  min-width: 0; margin-left: auto;
}
.toc a {
  padding: 0.4rem 0.65rem; font: 500 var(--t-sm) / 1.2 var(--sans);
  color: var(--muted); text-decoration: none; letter-spacing: 0.01em;
  border-radius: 6px; white-space: nowrap;
}
.toc a:hover, .toc a:focus-visible {
  color: var(--ink); background: var(--accent-dim);
}
.toc-gh {
  margin-left: 0.35rem !important;
  border: 1px solid var(--line-strong) !important;
  color: var(--ink-soft) !important;
  font-weight: 500 !important;
}
.toc-gh:hover, .toc-gh:focus-visible {
  border-color: rgba(240, 184, 73, 0.4) !important;
}
@media (max-width: 719px) {
  .toc a:not(.toc-gh) { display: none; }
}

/* ---------- type ---------- */
h1, h2 { margin: 0; color: var(--ink); text-wrap: balance; font-family: var(--sans); }
h1 {
  font-size: var(--t-display); font-weight: 680;
  line-height: 1.05; letter-spacing: -0.035em;
  max-width: 11.5ch; margin-bottom: 1.1rem;
}
h2 {
  font-size: var(--t-h2); font-weight: 650;
  line-height: 1.2; letter-spacing: -0.025em;
  margin-bottom: 0.85rem; max-width: 22ch;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  margin: 0 0 1rem;
  font: 600 var(--t-xs) / 1.3 var(--sans);
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent);
}
.eyebrow-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}
.lead, .sec-lead {
  margin: 0; color: var(--ink-soft); max-width: 52ch;
  font-size: var(--t-lead); line-height: 1.55;
}
.lead strong, .sec-lead strong { color: var(--ink); font-weight: 650; }
.muted-line {
  margin: 1rem 0 0; color: var(--muted);
  font-size: var(--t-sm); max-width: 36rem;
}
.pull {
  margin: 1.35rem 0 0; font-weight: 650; color: var(--ink);
  font-size: var(--t-lead); letter-spacing: -0.015em;
}
p, ul, ol { margin: 0 0 0.85em; }
ul.plain { padding-left: 1.1rem; margin: 1.35rem 0 0; color: var(--ink-soft); }
ul.plain li + li { margin-top: 0.55rem; }
ul.plain strong { color: var(--ink); }
a {
  color: var(--accent); text-decoration: underline;
  text-decoration-thickness: 1px; text-decoration-color: rgba(240, 184, 73, 0.45);
  text-underline-offset: 0.18em;
}
a:hover, a:focus-visible {
  text-decoration-color: currentColor;
  background: var(--accent-dim);
}
code, pre { font-family: var(--mono); font-variant-ligatures: none; }
:not(pre) > code {
  font-size: 0.86em; padding: 0.08em 0.32em;
  background: var(--machine-3); border: 1px solid var(--line-strong);
  border-radius: 4px; color: var(--ink-soft);
}
a > code { color: inherit; }

/* ---------- buttons ---------- */
.hero-actions {
  display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.6rem;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.72rem 1.35rem; border-radius: 999px;
  font: 650 var(--t-sm) / 1.2 var(--sans); letter-spacing: -0.01em;
  text-decoration: none; border: 1px solid transparent;
  transition: filter 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn-primary {
  background: var(--accent); color: #0e1117;
  box-shadow: 0 0 0 1px rgba(240, 184, 73, 0.25), 0 8px 28px rgba(240, 184, 73, 0.22);
}
.btn-primary:hover, .btn-primary:focus-visible {
  filter: brightness(1.06); background: var(--accent); text-decoration: none;
}
.btn-ghost {
  background: transparent; color: var(--ink-soft);
  border-color: var(--line-strong);
}
.btn-ghost:hover, .btn-ghost:focus-visible {
  color: var(--ink); border-color: rgba(240, 184, 73, 0.45);
  background: var(--accent-dim); text-decoration: none; filter: none;
}

/* ---------- window chrome system ---------- */
.win, .float-card {
  background: var(--machine);
  border-radius: var(--radius);
  box-shadow: var(--shadow-win);
  overflow: hidden;
}
.win-lg { border-radius: 14px; }
.win-chrome {
  display: flex; align-items: center; gap: 0.65rem;
  padding: 0.55rem 0.85rem;
  background: linear-gradient(180deg, var(--machine-3), var(--machine-2));
  border-bottom: 1px solid var(--line);
  min-height: 2.35rem;
}
.traffic {
  display: inline-flex; gap: 6px; flex-shrink: 0;
}
.traffic i {
  display: block; width: 10px; height: 10px; border-radius: 50%;
  background: #3a404a;
}
.traffic i:nth-child(1) { background: #ff5f57; }
.traffic i:nth-child(2) { background: #febc2e; }
.traffic i:nth-child(3) { background: #28c840; }
.win-title {
  font: 500 var(--t-xs) / 1 var(--mono); color: var(--machine-ink);
  letter-spacing: -0.01em; white-space: nowrap; overflow: hidden;
  text-overflow: ellipsis;
}
.win-meta {
  margin-left: auto; font: 400 var(--t-xs) / 1 var(--mono);
  color: var(--machine-dim); white-space: nowrap;
}
.win-tabs {
  display: flex; gap: 0; margin-left: 0.25rem;
}
.win-tab {
  padding: 0.25rem 0.65rem; font: 500 var(--t-xs) / 1.2 var(--mono);
  color: var(--machine-dim); border-radius: 5px 5px 0 0;
}
.win-tab.on {
  color: var(--machine-ink); background: var(--machine);
  box-shadow: inset 0 -2px 0 var(--accent);
}
.win-body {
  margin: 0; padding: 1rem 1.1rem;
  font: 400 var(--t-code) / 1.55 var(--mono);
  color: var(--machine-ink); background: var(--machine);
  white-space: pre-wrap; overflow-wrap: break-word;
}
.win-body.mono-sm { font-size: 0.72rem; line-height: 1.5; padding: 0.75rem 0.9rem; }
.win-foot {
  padding: 0.55rem 1.1rem 0.7rem;
  font: 400 var(--t-xs) / 1.4 var(--mono); color: var(--machine-dim);
  border-top: 1px solid var(--line);
  background: var(--machine-2);
}
.k { color: var(--key); }
.s { color: var(--str); }
.n { color: var(--num); }
.amb { color: var(--accent); font-weight: 600; }
.dim { color: var(--machine-dim); }
.ok { color: var(--ok); }
.tok { color: var(--tok); }
.fn { color: var(--fn); }
.prompt { color: var(--machine-dim); margin-right: 0.35rem; }

/* ---------- editor pane (shared mock language) ---------- */
.editor-pane {
  display: flex; background: var(--machine);
  font: 400 var(--t-code) / 1.6 var(--mono); color: var(--machine-ink);
  min-height: 0;
}
.editor-pane.embedded {
  margin: 0.65rem 0; border: 1px solid var(--line);
  border-radius: var(--radius-sm); overflow: hidden;
  background: var(--machine-2);
}
.editor-pane.tight { margin: 0.45rem 0; }
.ed-gutter {
  display: flex; flex-direction: column;
  padding: 0.65rem 0; min-width: 2.6rem;
  background: var(--machine-2); border-right: 1px solid var(--line);
  text-align: right; user-select: none; flex-shrink: 0;
}
.ed-gutter span {
  padding: 0 0.55rem; color: var(--machine-dim); line-height: 1.6;
  font-size: var(--t-code);
}
.ed-gutter .g-warn {
  color: var(--accent); font-weight: 700;
  text-shadow: 0 0 8px var(--accent-glow);
}
.ed-lines {
  flex: 1; padding: 0.65rem 0.75rem; overflow-x: auto; min-width: 0;
}
.ed-row {
  position: relative; line-height: 1.6; white-space: nowrap;
  padding-inline: 0.15rem;
}
.ed-row.find {
  background: var(--accent-dim);
  box-shadow:
    inset 0 0 24px rgba(240, 184, 73, 0.06),
    0 0 20px rgba(240, 184, 73, 0.08);
}
.find-bar {
  position: absolute; left: -0.75rem; top: 0; bottom: 0; width: 3px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow), 0 0 4px var(--accent);
}
.virt {
  margin-left: 0.85rem; color: var(--accent); font-size: 0.78em;
  text-shadow: 0 0 10px rgba(240, 184, 73, 0.35);
}
.win-status {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.35rem 0.85rem;
  background: var(--machine-2); border-top: 1px solid var(--line);
  font: 500 0.7rem / 1.3 var(--mono); color: var(--machine-dim);
}
.st-mode {
  padding: 0.12rem 0.4rem; background: var(--accent); color: #0e1117;
  font-weight: 700; border-radius: 3px; font-size: 0.65rem;
}
.st-file { color: var(--machine-ink); }
.st-right { margin-left: auto; }

/* ---------- terminal ---------- */
.term {
  padding: 0.9rem 1.05rem 1.05rem;
  font: 400 var(--t-code) / 1.55 var(--mono); color: var(--machine-ink);
}
.term.compact { padding: 0.75rem 0.9rem 0.9rem; }
.term-line { margin: 0.18rem 0; }
.term-sep {
  height: 1px; background: var(--line); margin: 0.65rem 0;
}
.diag-pill {
  display: inline-block; margin: 0.5rem 0 0.4rem;
  padding: 0.28rem 0.65rem;
  border-left: 3px solid var(--accent);
  background: var(--accent-dim); color: var(--accent);
  font: 550 var(--t-xs) / 1.3 var(--mono);
  box-shadow: 0 0 16px rgba(240, 184, 73, 0.12);
}

/* ---------- HERO ---------- */
.hero {
  position: relative; overflow: hidden;
  padding-block: clamp(2.75rem, 8vw, 5.5rem) clamp(3.5rem, 9vw, 6.5rem);
  border-bottom: 1px solid var(--line);
}
.hero-atmosphere {
  position: absolute; inset: -20% -10% auto;
  height: 85%; pointer-events: none;
  background:
    radial-gradient(ellipse 50% 45% at 78% 28%, rgba(240, 184, 73, 0.07), transparent 68%),
    radial-gradient(ellipse 55% 50% at 12% 70%, rgba(255, 255, 255, 0.025), transparent 60%);
}
.hero-grid-bg {
  position: absolute; inset: 0; pointer-events: none; opacity: 0.35;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 80% 70% at 60% 40%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 60% 40%, #000 20%, transparent 75%);
}
.hero-layout {
  position: relative; z-index: 1;
  display: grid; gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
}
@media (min-width: 720px) {
  .hero-layout {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.15fr);
    gap: 2rem 2.5rem;
    align-items: center;
  }
}

.hero-stage {
  position: relative;
  min-height: 18rem;
  padding: 1.25rem 0.5rem 1.5rem 1.5rem;
}
@media (min-width: 720px) {
  .hero-stage { min-height: 20rem; padding: 1.25rem 0 1.75rem 1.5rem; }
}
@media (min-width: 960px) {
  .hero-stage { min-height: 22rem; padding: 1.5rem 0 2rem 2rem; }
}

.float-card { position: relative; }
.float-rule {
  position: absolute; top: 0; left: 0; width: min(14rem, 42%);
  z-index: 1; opacity: 0.92;
  transform: rotate(-2.5deg) translate(-4%, 8%);
  box-shadow: var(--shadow-win);
  filter: brightness(0.92);
}
.float-diag {
  position: relative; z-index: 2;
  width: min(100%, 36rem);
  margin-left: auto;
  box-shadow: var(--shadow-float);
  transform: rotate(0.6deg);
}
.float-diag .editor-pane { min-height: 10.5rem; }
.float-diag .ed-lines { font-size: 0.875rem; }
.float-diag .ed-gutter span { font-size: 0.875rem; }
@media (min-width: 960px) {
  .float-diag {
    width: min(100%, 100%);
    max-width: none;
  }
  .float-diag .ed-lines,
  .float-diag .ed-gutter span { font-size: 0.9rem; }
  .float-diag .editor-pane { min-height: 12rem; }
}

/* ---------- sections ---------- */
.sec {
  padding-block: clamp(2.75rem, 6vw, 4.5rem);
  border-bottom: 1px solid var(--line);
  position: relative;
}
#not-chat, #loop { padding-block: clamp(2.5rem, 5vw, 3.75rem); }
.sec-head { margin-bottom: clamp(1.75rem, 4vw, 2.75rem); max-width: 40rem; }
.sec-machine {
  padding-block: clamp(3.25rem, 8vw, 5.5rem);
  background: linear-gradient(180deg, var(--bg-elev), var(--bg));
}

.demo-frame { margin: 0; }
.demo-frame figcaption {
  margin-top: 0.85rem;
  font: 400 var(--t-sm) / 1.5 var(--sans);
  color: var(--muted); max-width: 42rem;
}

/* ---------- split / compare ---------- */
.split {
  display: grid; gap: clamp(2rem, 5vw, 3.5rem); align-items: start;
}
@media (min-width: 860px) {
  .split { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); }
}
.compare-stack {
  display: flex; flex-direction: column; gap: 1rem;
  position: relative;
}
.chat-reject {
  padding: 1rem 1.15rem;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.02);
  opacity: 0.72;
}
.compare-label {
  margin: 0 0 0.5rem;
  font: 500 var(--t-xs) / 1.3 var(--mono); color: var(--muted);
  letter-spacing: 0.04em; text-transform: uppercase;
}
.chat-blob {
  margin: 0; color: var(--muted); font-size: var(--t-sm); line-height: 1.5;
  font-style: italic;
}
.win-answer {
  transform: translateY(-0.25rem);
  box-shadow: var(--shadow-float);
}

/* ---------- loop ---------- */
.sec-loop {
  background: var(--bg-elev);
}
.loop-layout {
  display: grid; gap: clamp(2rem, 5vw, 3rem); align-items: start;
}
@media (min-width: 860px) {
  .loop-layout { grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); }
}
.loop-steps {
  list-style: none; margin: 1.25rem 0 0; padding: 0;
  display: flex; flex-direction: column; gap: 0.85rem;
}
.loop-steps li {
  display: flex; gap: 0.9rem; align-items: flex-start;
  color: var(--ink-soft); padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
}
.loop-steps li:last-child { border-bottom: 0; }
.step-n {
  font: 650 var(--t-xs) / 1.4 var(--mono); color: var(--accent);
  letter-spacing: 0.04em; min-width: 1.6rem;
}
.loop-steps strong { color: var(--ink); }
.win-rule { box-shadow: var(--shadow-win); }

/* ---------- cost card ---------- */
.cost-card {
  background: var(--machine);
  border-radius: var(--radius);
  box-shadow: var(--shadow-win);
  overflow: hidden;
  max-width: 56rem;
}
.cost-table-wrap { overflow-x: auto; }
table.cost {
  border-collapse: collapse; width: 100%;
  font: 400 var(--t-sm) / 1.45 var(--sans); color: var(--machine-ink);
}
table.cost th, table.cost td {
  padding: 0.85rem 1.05rem; text-align: left; vertical-align: top;
  border-bottom: 1px solid var(--line);
}
table.cost thead th {
  font: 550 var(--t-xs) / 1.3 var(--mono); color: var(--machine-dim);
  letter-spacing: 0.04em; text-transform: uppercase;
  background: var(--machine-2);
  border-bottom: 1px solid var(--line-strong);
}
table.cost tbody th {
  font-weight: 600; color: var(--ink-soft); white-space: nowrap;
  font-family: var(--mono); font-size: var(--t-xs);
}
table.cost tbody tr:last-child th,
table.cost tbody tr:last-child td { border-bottom: 0; }
table.cost td code, table.cost th code {
  font-size: 0.95em; border: 0; background: none; padding: 0; color: inherit;
}
tr.mark th, tr.mark td {
  background: var(--accent-dim);
}
tr.mark strong { color: var(--accent); }
.cost-cap {
  margin: 0; padding: 0.75rem 1.05rem 1rem;
  font: 400 var(--t-xs) / 1.5 var(--sans); color: var(--machine-dim);
  border-top: 1px solid var(--line); background: var(--machine-2);
  max-width: none;
}
.cost-cap code {
  background: transparent; border: 0; padding: 0; color: var(--machine-ink);
}

/* ---------- clients (one-at-a-time CSS radio showcase) ---------- */
.sec-clients {
  background: var(--bg);
  padding-block: clamp(3.5rem, 9vw, 6.5rem);
  overflow: clip;
  isolation: isolate;
}
.sec-clients .sec-head {
  margin-bottom: clamp(2rem, 5vw, 3.25rem);
  max-width: 36rem;
}
.sec-clients h2 { max-width: 28ch; }
.chips {
  display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 1.1rem 0 0;
}
.chip {
  display: inline-block; padding: 0.28rem 0.7rem;
  border: 1px solid var(--line-strong); border-radius: 999px;
  font: 500 var(--t-xs) / 1.3 var(--mono); color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.02);
}

.client-showcase {
  position: relative;
  max-width: 48rem;
}
.client-radio {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}
.client-seg {
  display: inline-flex; flex-wrap: wrap;
  gap: 0.2rem; padding: 0.25rem;
  margin: 0 0 1.75rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
}
.client-seg-btn {
  cursor: pointer;
  padding: 0.55rem 1.15rem;
  border-radius: 999px;
  font: 600 var(--t-sm) / 1.2 var(--sans);
  letter-spacing: -0.01em;
  color: var(--muted);
  user-select: none;
  transition: color 0.15s ease, background 0.15s ease;
}
.client-seg-btn:hover {
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.04);
}
.client-seg-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  color: var(--ink);
}

#client-harness:checked ~ .client-seg label[for="client-harness"],
#client-nvim:checked ~ .client-seg label[for="client-nvim"],
#client-vsc:checked ~ .client-seg label[for="client-vsc"] {
  color: #0e1117;
  background: var(--accent);
  box-shadow: 0 0 0 1px rgba(240, 184, 73, 0.25), 0 6px 18px rgba(240, 184, 73, 0.18);
}

.client-stage {
  position: relative;
  min-height: 18rem;
}
.client-panel {
  display: none;
  margin: 0;
  animation: client-in 0.22s ease;
}
#client-harness:checked ~ .client-stage .panel-harness,
#client-nvim:checked ~ .client-stage .panel-nvim,
#client-vsc:checked ~ .client-stage .panel-vsc {
  display: block;
}
@keyframes client-in {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .client-panel { animation: none; }
}
.client-panel .win {
  width: 100%;
  box-shadow: var(--shadow-float);
}
.client-panel figcaption,
.demo-frame figcaption {
  margin-top: 1.1rem;
  font: 400 var(--t-sm) / 1.5 var(--sans);
  color: var(--muted); max-width: 42rem;
}

/* neovim chrome in client panel */
.nvim-status {
  display: flex; gap: 0.65rem; align-items: center;
  padding: 0.4rem 0.75rem; background: #141a24;
  border-bottom: 1px solid var(--line); font-size: 0.72rem;
  font-family: var(--mono); color: var(--machine-dim);
}
.nvim-mode {
  padding: 0.1rem 0.38rem; background: var(--accent); color: #0e1117;
  font-weight: 700; border-radius: 2px; font-size: 0.65rem;
}
.nvim-right { margin-left: auto; }
.nvim-pane { min-height: 11rem; }

/* vscode chrome */
.vsc-tabs {
  display: flex; background: var(--machine-2);
  border-bottom: 1px solid var(--line); font-size: 0.72rem;
  font-family: var(--mono);
}
.vsc-tab {
  padding: 0.45rem 0.85rem; color: var(--machine-dim);
  border-right: 1px solid var(--line);
}
.vsc-tab.on {
  color: var(--machine-ink); background: var(--machine);
  box-shadow: inset 0 -2px 0 var(--accent);
}
.vsc-body { display: flex; min-height: 12rem; }
.vsc-rail {
  width: 1.65rem; flex-shrink: 0;
  background: var(--machine-2); border-right: 1px solid var(--line);
}
.vsc-pane {
  flex: 1; position: relative; min-width: 0;
}
.squiggle {
  text-decoration: underline; text-decoration-style: wavy;
  text-decoration-color: var(--accent); text-underline-offset: 3px;
}
.bulb { margin-left: 0.35rem; font-size: 0.75rem; opacity: 0.9; }
.vsc-hover {
  margin: 0.55rem 0.5rem 0.35rem 0.35rem; max-width: 14rem;
  border: 1px solid var(--line-strong); border-radius: 6px;
  background: var(--machine-3); padding: 0.45rem 0.6rem;
  font-size: 0.72rem; font-family: var(--mono);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
}
.hover-title { color: var(--machine-dim); margin-bottom: 0.15rem; }
.hover-body { color: var(--machine-ink); }
.hover-lens {
  margin-top: 0.3rem; padding-top: 0.28rem;
  border-top: 1px solid var(--line); color: var(--accent);
}
.vsc-problems {
  display: flex; flex-wrap: wrap; gap: 0.45rem 0.85rem; align-items: center;
  padding: 0.4rem 0.75rem; background: var(--machine-2);
  border-top: 1px solid var(--line);
  font: 400 0.72rem / 1.3 var(--mono); color: var(--machine-dim);
}
.prob-label {
  font-weight: 650; color: var(--machine-ink);
  text-transform: uppercase; letter-spacing: 0.05em; font-size: 0.62rem;
}
.prob-item { color: var(--machine-ink); }

/* ---------- start ---------- */
.sec-start {
  padding-block: clamp(3.25rem, 8vw, 5.5rem) clamp(4rem, 10vw, 7rem);
  background: var(--bg-elev);
  overflow: clip;
  isolation: isolate;
}
.start-layout {
  display: grid; gap: clamp(1.75rem, 4vw, 2.75rem); align-items: start;
}
@media (min-width: 860px) {
  .start-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}
.next-steps {
  margin: 1.35rem 0 0; padding-left: 1.25rem; color: var(--ink-soft);
}
.next-steps li + li { margin-top: 0.65rem; }
.start-wins {
  display: flex; flex-direction: column; gap: 1rem;
  position: relative; z-index: 1;
}
.win-install {
  box-shadow: var(--shadow-float);
}
.win-install .win-body {
  font-size: 0.78rem; word-break: break-all;
}
.win-config {
  max-width: none;
  box-shadow: var(--shadow-win);
}
.win-config .win-body {
  font-size: 0.85rem;
}

/* ---------- footer ---------- */
.site-foot {
  padding: 1.5rem 0 2.75rem;
  border-top: 1px solid var(--line);
  font: 400 var(--t-sm) / 1.5 var(--sans); color: var(--muted);
}
.site-foot p { margin: 0; }
.site-foot a { color: var(--ink-soft); }

/* ---------- responsive ---------- */
@media (max-width: 719px) {
  :root {
    --t-display: clamp(1.85rem, 7.5vw, 2.35rem);
    --t-h2: clamp(1.25rem, 5vw, 1.55rem);
    --t-lead: 1.02rem;
    --t-body: 1rem;
    --gutter: 1rem;
  }
  h1, h2 { max-width: none; }
  .lead, .sec-lead, .muted-line, .pull, .sec-head, p, li {
    overflow-wrap: anywhere;
    word-break: break-word;
  }
  .hero-layout,
  .split,
  .loop-layout,
  .start-layout {
    grid-template-columns: minmax(0, 1fr) !important;
    width: 100%;
  }
  .hero-copy, .hero-stage, .split-copy, .compare-stack, .start-copy, .start-wins {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }
  .float-rule { display: none; }
  .hero { padding-block: 2rem 2.75rem; }
  .hero-stage { padding: 0; min-height: 0; overflow: hidden; }
  .float-diag,
  .win,
  .win-lg,
  .cost-card {
    transform: none !important;
    width: 100% !important;
    max-width: 100% !important;
    margin-left: 0 !important;
    overflow: hidden;
  }
  .float-diag .editor-pane,
  .editor-pane.embedded,
  .nvim-pane,
  .vsc-pane {
    font-size: 0.72rem;
  }
  .float-diag .ed-lines,
  .float-diag .ed-gutter span,
  .ed-lines,
  .ed-gutter span {
    font-size: 0.72rem;
  }
  .virt {
    display: inline-block;
    margin-left: 0.35rem;
    max-width: 100%;
    white-space: normal;
  }
  .ed-row {
    white-space: nowrap;
  }
  .editor-pane,
  .term,
  .win-body,
  .cost-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-x: contain;
  }
  .win-chrome {
    gap: 0.4rem;
    padding-inline: 0.65rem;
  }
  .win-tabs { display: none; }
  .win-meta { display: none; }
  .hero-actions {
    width: 100%;
  }
  .hero-actions .btn {
    flex: 1 1 calc(50% - 0.4rem);
    min-width: 8rem;
    text-align: center;
  }
  .sec-start .hero-actions .btn {
    flex: 1 1 100%;
  }
  .fact-strip {
    flex-direction: column;
    gap: 0.45rem;
  }
  .fact-strip li {
    border-right: 0;
    margin-right: 0;
    padding-right: 0;
  }
  .client-seg {
    display: flex;
    width: 100%;
    box-sizing: border-box;
  }
  .client-seg-btn {
    flex: 1 1 0;
    text-align: center;
    padding: 0.5rem 0.4rem;
    font-size: var(--t-xs);
  }
  .client-stage { min-height: 0; }
  .vsc-hover { max-width: calc(100% - 1rem); }
  .vsc-body { min-height: 10rem; }
  table.cost {
    font-size: 0.72rem;
  }
  table.cost th, table.cost td {
    padding: 0.65rem 0.7rem;
  }
  table.cost tbody th { white-space: normal; }
  .next-steps { padding-left: 1.1rem; }
  .next-steps code {
    word-break: break-all;
    overflow-wrap: anywhere;
    font-size: 0.78em;
  }
  .win-install .win-body {
    font-size: 0.68rem;
  }
  .sec-clients,
  .sec-start,
  .hero {
    overflow-x: clip;
  }
  .loop-steps li { gap: 0.65rem; }
  .chat-blob { font-size: 0.9rem; }
}

@media (min-width: 720px) and (max-width: 959px) {
  .float-rule { width: 11rem; }
}

/* ---------- print ---------- */
@media print {
  :root {
    --bg: #fff; --bg-elev: #fff; --ink: #000; --ink-soft: #222; --muted: #444;
    --line: #ccc; --accent: #b57f00; --machine: #fff; --machine-2: #f5f5f5;
    --machine-3: #eee; --machine-ink: #000; --machine-dim: #333;
  }
  .site-head, .toc, .skip, .hero-atmosphere, .hero-grid-bg { display: none; }
  .win, .float-card, .cost-card { box-shadow: none; border: 1px solid #999; }
  .btn-primary { box-shadow: none; }
}


/* ---------- hero fact strip ---------- */
.fact-strip {
  display: flex; flex-wrap: wrap; gap: 0.35rem 0;
  margin: 1.35rem 0 0; padding: 0; list-style: none;
  max-width: 36rem;
}
.fact-strip li {
  font: 500 var(--t-xs) / 1.35 var(--mono); color: var(--muted);
  letter-spacing: 0.01em;
  padding-right: 0.85rem; margin-right: 0.85rem;
  border-right: 1px solid var(--line-strong);
}
.fact-strip li:last-child { border-right: 0; margin-right: 0; padding-right: 0; }
.fact-strip strong { color: var(--ink-soft); font-weight: 600; }