:root {
  --page-width: 640px;
  --base-size: 16px;
  --line-height: 1.65;
  --page-top: 72px;
  --section-gap: 48px;
  --paragraph-gap: 16px;
  --nav-gap: 16px;
  --visual-padding: 18px;
  --row-padding: 12px;
  --radius: 0px;
  --button-radius: 0px;
  --button-pad-x: 14px;
  --border-gray: 238;
  --muted-gray: 153;
  --accent-h: 330;
  --accent-s: 64%;
  --accent-l: 58%;
  --shadow-alpha: 0.04;
  --hero-scale: 3.4;
  --theater-height: 760px;
  --card-overlap: 54px;
  --card-tilt: 4deg;
  --motion-intensity: 1;
  --radar-size: 520px;
  --glow-alpha: 0.12;
  --panel-scale: 1;
  --playground-width: 1040px;
  --canvas-height: 640px;
  --grid-size: 32px;
  --orbit-opacity: 0.11;
  --ui-chaos: 1;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: var(--base-size);
  line-height: var(--line-height);
  color: #111111;
  background: #ffffff;
  padding: var(--page-top) 24px;
}

.container {
  max-width: var(--page-width);
  margin: 0 auto;
}

h1 {
  font-size: 1em;
  font-weight: 600;
  margin-bottom: 4px;
}

h2 {
  font-size: 1em;
  font-weight: 500;
  margin-top: var(--section-gap);
  margin-bottom: 12px;
}

h3 {
  font-size: 1em;
  font-weight: 500;
  margin-top: 24px;
  margin-bottom: 8px;
}

[id] { scroll-margin-top: 48px; }

p {
  margin-bottom: var(--paragraph-gap);
  color: #333333;
}

.lede {
  font-size: 1.05em;
  max-width: 38rem;
}

ul {
  list-style: none;
  padding: 0;
}

li {
  margin-bottom: 8px;
  color: #333333;
}

a {
  color: #111111;
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover { color: #555555; }

.meta {
  color: rgb(var(--muted-gray), var(--muted-gray), var(--muted-gray));
}

.muted {
  color: rgb(var(--muted-gray), var(--muted-gray), var(--muted-gray));
}

.footer {
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid rgb(var(--border-gray), var(--border-gray), var(--border-gray));
}

nav {
  margin-top: 26px;
  margin-bottom: 40px;
  font-size: 1em;
  display: flex;
  flex-wrap: wrap;
  gap: 4px var(--nav-gap);
}

nav a { margin: 0; }

nav a.active {
  text-decoration: none;
  color: #111111;
  font-weight: 500;
}

strong { font-weight: 600; }

hr {
  border: 0;
  border-top: 1px solid rgb(var(--border-gray), var(--border-gray), var(--border-gray));
  margin: var(--section-gap) 0;
}

input {
  width: 100%;
  font: inherit;
  border: 1px solid rgb(var(--border-gray), var(--border-gray), var(--border-gray));
  border-radius: var(--button-radius);
  padding: 10px 12px;
  background: #ffffff;
  color: #111111;
}

input:focus {
  outline: 1px solid #111111;
  outline-offset: 1px;
}

button,
.button {
  display: inline-block;
  font: inherit;
  border: 1px solid #111111;
  border-radius: var(--button-radius);
  background: #111111;
  color: #ffffff;
  padding: 9px var(--button-pad-x);
  cursor: pointer;
  text-decoration: none;
}

button:hover,
.button:hover {
  background: #333333;
  color: #ffffff;
}

.button.secondary {
  background: #ffffff;
  color: #111111;
}

.button.secondary:hover {
  background: #f7f7f7;
  color: #111111;
}

.access-box {
  margin-top: 22px;
  padding: var(--visual-padding);
  border: 1px solid rgb(var(--border-gray), var(--border-gray), var(--border-gray));
  border-radius: var(--radius);
  box-shadow: 0 12px 36px rgba(0,0,0,var(--shadow-alpha));
}

.access-box form { margin-top: 12px; }

.access-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 10px;
}

.access-status {
  margin-top: 10px;
  margin-bottom: 0;
  font-size: 0.875em;
}

.install-result[hidden] { display: none; }

.product-visual {
  margin-top: 26px;
  border: 1px solid rgb(var(--border-gray), var(--border-gray), var(--border-gray));
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 16px 44px rgba(0,0,0,var(--shadow-alpha));
  background: #fff;
}

.visual-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: calc(var(--row-padding) - 2px) var(--visual-padding);
  border-bottom: 1px solid rgb(var(--border-gray), var(--border-gray), var(--border-gray));
  font-size: 0.78em;
}

.visual-head .brand {
  font-weight: 600;
  letter-spacing: 0.02em;
}

.signal-row {
  display: grid;
  grid-template-columns: 9px 1fr auto;
  gap: 10px;
  align-items: center;
  padding: var(--row-padding) var(--visual-padding);
  border-bottom: 1px solid rgb(var(--border-gray), var(--border-gray), var(--border-gray));
}

.signal-row:last-child { border-bottom: 0; }

.signal-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: hsl(var(--accent-h) var(--accent-s) var(--accent-l));
}

.signal-row:nth-child(4) .signal-dot { opacity: .62; }
.signal-row:nth-child(5) .signal-dot { opacity: .30; }

.signal-main {
  min-width: 0;
}

.signal-name {
  display: block;
  color: #111;
  font-size: 0.9em;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.signal-note {
  display: block;
  color: rgb(var(--muted-gray), var(--muted-gray), var(--muted-gray));
  font-size: 0.76em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.signal-tag {
  font-size: 0.66em;
  font-weight: 600;
  letter-spacing: .045em;
  text-transform: uppercase;
  color: hsl(var(--accent-h) var(--accent-s) 42%);
  white-space: nowrap;
}

.signal-list li::before {
  content: "— ";
  color: rgb(var(--muted-gray), var(--muted-gray), var(--muted-gray));
}

.editorial-links li {
  padding: 10px 0;
  margin: 0;
  border-top: 1px solid rgb(var(--border-gray), var(--border-gray), var(--border-gray));
}

.editorial-links li:last-child {
  border-bottom: 1px solid rgb(var(--border-gray), var(--border-gray), var(--border-gray));
}

.proof,
.price-row {
  padding: 16px 0;
  border-top: 1px solid rgb(var(--border-gray), var(--border-gray), var(--border-gray));
}

.proof:last-child,
.price-row:last-of-type {
  border-bottom: 1px solid rgb(var(--border-gray), var(--border-gray), var(--border-gray));
}

.essay-list li { margin-bottom: 14px; }
.essay-list .meta { display: block; font-size: 0.875em; }

@media (max-width: 520px) {
  body { padding: 48px 20px; }
  .access-actions { flex-direction: column; align-items: stretch; }
  .button, button { text-align: center; }
  .signal-row { grid-template-columns: 9px minmax(0,1fr); }
  .signal-tag { grid-column: 2; }
}


.hero-display {
  margin: 34px 0 18px;
  font-size: clamp(2.6rem, calc(var(--hero-scale) * 1rem), 5.6rem);
  line-height: .96;
  letter-spacing: -0.045em;
  font-weight: 500;
  max-width: 11ch;
}

.hero-display .soft {
  color: rgb(var(--muted-gray), var(--muted-gray), var(--muted-gray));
  font-weight: 400;
}

.hero-sub {
  max-width: 33rem;
}

.signal-theater {
  position: relative;
  width: min(980px, calc(100vw - 32px));
  height: var(--theater-height);
  margin: 58px 0 0 50%;
  transform: translateX(-50%);
}

.signal-stage {
  position: sticky;
  top: 8vh;
  height: min(78vh, 680px);
  min-height: 520px;
  overflow: hidden;
  border: 1px solid rgb(var(--border-gray), var(--border-gray), var(--border-gray));
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 50% 50%, rgba(217,79,166,var(--glow-alpha)), transparent 38%),
    #fbfbfb;
  box-shadow: 0 24px 80px rgba(0,0,0,var(--shadow-alpha));
  transform: scale(var(--panel-scale));
  transform-origin: center top;
}

.signal-stage::before,
.signal-stage::after {
  content: "";
  position: absolute;
  width: var(--radar-size);
  height: var(--radar-size);
  border: 1px solid rgba(17,17,17,.08);
  border-radius: 50%;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  pointer-events: none;
}

.signal-stage::after {
  width: calc(var(--radar-size) * .64);
  height: calc(var(--radar-size) * .64);
  opacity: .7;
}

.stage-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,0,0,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,.025) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to bottom, transparent, black 15%, black 85%, transparent);
}

.stage-label {
  position: absolute;
  top: 18px;
  left: 20px;
  font-size: .72em;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: rgb(var(--muted-gray), var(--muted-gray), var(--muted-gray));
}

.stage-mode {
  position: absolute;
  top: 18px;
  right: 20px;
  font-size: .72em;
  color: #111;
}

.state-word {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  font-size: clamp(3rem, 9vw, 7rem);
  line-height: .9;
  letter-spacing: -.06em;
  font-weight: 600;
  color: rgba(17,17,17,.035);
  white-space: nowrap;
  user-select: none;
  pointer-events: none;
}

.signal-stack {
  position: absolute;
  width: min(560px, calc(100% - 44px));
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  height: 330px;
}

.state-card {
  position: absolute;
  left: 0;
  right: 0;
  min-height: 112px;
  padding: 16px 18px;
  border: 1px solid rgba(17,17,17,.11);
  border-radius: max(var(--radius), 8px);
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(12px);
  box-shadow: 0 16px 44px rgba(0,0,0,.08);
  transform-origin: 50% 100%;
  will-change: transform, opacity;
  transition: box-shadow .25s ease, border-color .25s ease;
}

.state-card:hover {
  border-color: rgba(17,17,17,.22);
  box-shadow: 0 24px 60px rgba(0,0,0,.12);
}

.card-top {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: baseline;
  margin-bottom: 14px;
}

.card-person {
  font-weight: 600;
}

.card-age {
  font-size: .78em;
  color: rgb(var(--muted-gray), var(--muted-gray), var(--muted-gray));
}

.card-context {
  font-size: .9em;
  color: #555;
  margin: 0;
}

.card-state {
  display: inline-block;
  margin-top: 12px;
  font-size: .68em;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: hsl(var(--accent-h) var(--accent-s) 42%);
}

.theater-caption {
  position: absolute;
  left: 20px;
  bottom: 18px;
  margin: 0;
  font-size: .75em;
  color: rgb(var(--muted-gray), var(--muted-gray), var(--muted-gray));
}

.motion-dot {
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: hsl(var(--accent-h) var(--accent-s) var(--accent-l));
  box-shadow: 0 0 0 10px hsl(var(--accent-h) var(--accent-s) var(--accent-l) / .08);
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  pointer-events: none;
  will-change: transform;
}

.shift-section {
  margin-top: 24px;
}

.shift-pair {
  padding: 18px 0;
  border-top: 1px solid rgb(var(--border-gray), var(--border-gray), var(--border-gray));
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 18px;
}

.shift-pair:last-child {
  border-bottom: 1px solid rgb(var(--border-gray), var(--border-gray), var(--border-gray));
}

.shift-old {
  color: rgb(var(--muted-gray), var(--muted-gray), var(--muted-gray));
  text-decoration: line-through;
}

.shift-new {
  font-weight: 500;
}

.access-box.is-captured {
  animation: capture-pop .45s ease both;
  border-color: hsl(var(--accent-h) var(--accent-s) 75%);
  background: hsl(var(--accent-h) var(--accent-s) 98%);
}

@keyframes capture-pop {
  0% { transform: scale(1); }
  45% { transform: scale(1.018); }
  100% { transform: scale(1); }
}

@media (prefers-reduced-motion: reduce) {
  .state-card,
  .motion-dot,
  .access-box.is-captured {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 720px) {
  .hero-display {
    font-size: clamp(2.3rem, calc(var(--hero-scale) * .78rem), 4rem);
    max-width: 10ch;
  }

  .signal-theater {
    width: calc(100vw - 24px);
    height: max(620px, calc(var(--theater-height) * .82));
  }

  .signal-stage {
    min-height: 500px;
  }

  .state-word {
    font-size: 14vw;
  }

  .signal-stack {
    height: 300px;
  }

  .shift-pair {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

.playground-page{max-width:var(--playground-width)}
.micro-header,.micro-footer{display:grid;grid-template-columns:1fr auto auto;gap:18px;align-items:baseline;font-size:.78em}
.wordmark{font-weight:600;text-decoration:none}
.hero-lab{min-height:52vh;display:flex;flex-direction:column;justify-content:flex-end;padding:11vh 0 6vh}
.lab-label{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.68em;letter-spacing:.08em;text-transform:uppercase;color:rgb(var(--muted-gray),var(--muted-gray),var(--muted-gray));margin-bottom:14px}
.hero-lab .hero-display{max-width:none;margin:0;font-size:clamp(4rem,calc(var(--hero-scale)*1.35rem),8rem);line-height:.86;letter-spacing:-.065em;font-weight:500}
.hero-lab .hero-sub{margin:22px 0 0;max-width:36rem;font-size:1.05em}
.instrument{width:min(var(--playground-width),calc(100vw - 32px));margin:0 0 0 50%;transform:translateX(-50%);border:1px solid rgb(var(--border-gray),var(--border-gray),var(--border-gray));background:#fafafa;box-shadow:0 30px 90px rgba(0,0,0,var(--shadow-alpha));border-radius:var(--radius);overflow:hidden}
.instrument-bar,.instrument-footer{display:flex;justify-content:space-between;gap:16px;padding:9px 12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.66em;color:#777}
.instrument-bar{border-bottom:1px solid rgb(var(--border-gray),var(--border-gray),var(--border-gray))}
.instrument-footer{border-top:1px solid rgb(var(--border-gray),var(--border-gray),var(--border-gray))}
.instrument-canvas{position:relative;height:var(--canvas-height);overflow:hidden;background-color:#fff;background-image:linear-gradient(rgba(0,0,0,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.028) 1px,transparent 1px);background-size:var(--grid-size) var(--grid-size)}
.radar-orbit{position:absolute;left:50%;top:50%;border:1px solid rgba(17,17,17,var(--orbit-opacity));border-radius:50%;transform:translate(-50%,-50%);pointer-events:none}
.orbit-a{width:220px;height:220px}.orbit-b{width:420px;height:420px}.orbit-c{width:680px;height:680px}
.instrument .state-word{color:rgba(17,17,17,.028);font-size:clamp(4rem,11vw,9rem)}
.instrument .signal-stack{width:min(620px,calc(100% - 42px));height:390px}
.instrument .state-card{appearance:none;text-align:left;color:#111;cursor:pointer;display:grid;grid-template-columns:34px 1fr auto;grid-template-areas:"index person state" "index context state";align-items:center;column-gap:12px;min-height:88px;padding:13px 15px;font-family:inherit}
.card-index{grid-area:index;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.66em;color:#aaa}
.instrument .card-person{grid-area:person}.instrument .card-context{grid-area:context;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.7em}.instrument .card-state{grid-area:state;margin:0}
.instrument-note{position:absolute;left:18px;bottom:18px;display:flex;gap:10px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.7em;padding:7px 9px;background:#fff;border:1px solid rgb(var(--border-gray),var(--border-gray),var(--border-gray))}
.note-key{color:#aaa}
.decision-strip{padding:16vh 0 10vh}
.question-chip{border:1px solid #ddd;background:#fff;color:#888;border-radius:999px;padding:7px 11px;margin:0 5px 8px 0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.72em}
.question-chip:hover,.question-chip.active{color:#111;background:#fff;border-color:#111}
.question-output{margin:28px 0 0;font-size:clamp(2rem,5vw,4.8rem);line-height:.98;letter-spacing:-.045em;max-width:13ch}
.access-minimal{padding:6vh 0 14vh}.access-minimal form{display:grid;grid-template-columns:1fr auto;max-width:520px}.access-minimal input,.access-minimal button{border-radius:0}.access-minimal input{border-right:0}.access-minimal .install-result{margin-top:10px}
.index-grid{padding:0 0 14vh}.index-grid>a{display:grid;grid-template-columns:160px 1fr auto;gap:16px;padding:13px 0;border-top:1px solid rgb(var(--border-gray),var(--border-gray),var(--border-gray));text-decoration:none;font-size:.9em}.index-grid>a:last-child{border-bottom:1px solid rgb(var(--border-gray),var(--border-gray),var(--border-gray))}.index-grid>a span:nth-child(2){color:#888}
.micro-footer{padding:20px 0 0;border-top:1px solid rgb(var(--border-gray),var(--border-gray),var(--border-gray))}
@media(max-width:700px){.micro-header,.micro-footer{grid-template-columns:1fr auto}.micro-header .meta,.micro-footer .meta{display:none}.hero-lab{min-height:44vh}.hero-lab .hero-display{font-size:clamp(3.4rem,calc(var(--hero-scale)*1rem),5rem)}.instrument-canvas{height:max(520px,calc(var(--canvas-height)*.82))}.instrument .state-card{grid-template-columns:26px 1fr;grid-template-areas:"index person" "index context" "index state"}.instrument .card-state{margin-top:7px}.instrument-footer span:nth-child(2){display:none}.index-grid>a{grid-template-columns:110px 1fr auto}}

.sticky-header{position:sticky;top:0;z-index:100;padding:12px 0;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgb(var(--border-gray),var(--border-gray),var(--border-gray))}
.header-install{font-weight:600}
.hero-lab{min-height:48vh}
.hero-lab .hero-display{max-width:9ch}
.clean-instrument{margin-top:0}
.clean-instrument .instrument-canvas{border:0}
.install-section{display:flex;justify-content:space-between;align-items:baseline;gap:20px;padding:44px 0 16vh}
.install-primary{font-size:clamp(1.7rem,4vw,3.5rem);letter-spacing:-.04em;text-decoration:none}
.site-links{padding-bottom:12vh}
.site-links>a{display:grid;grid-template-columns:140px 1fr;gap:20px;padding:12px 0;border-top:1px solid rgb(var(--border-gray),var(--border-gray),var(--border-gray));text-decoration:none}
.site-links>a:last-child{border-bottom:1px solid rgb(var(--border-gray),var(--border-gray),var(--border-gray))}
.site-links>a span:nth-child(2){color:#888}
.micro-footer{grid-template-columns:auto 1fr auto auto}
@media(max-width:700px){.sticky-header{grid-template-columns:1fr auto}.sticky-header .meta{display:none}.hero-lab{min-height:38vh}.install-section{align-items:flex-start;flex-direction:column}.site-links>a{grid-template-columns:90px 1fr}.micro-footer{grid-template-columns:1fr auto}.micro-footer span:nth-child(2){display:none}}

/* Hairline-inspired restraint — Sidekick-specific system */
.hairline-site{padding:0;background:#fff;color:#171717;font-family:"DM Sans",sans-serif;font-size:16px}
.hairline-shell{width:min(1200px,calc(100% - 48px));margin:0 auto}
.hairline-header{height:104px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px)}
.brand-lockup{display:flex;gap:10px;align-items:baseline}.brand-name{font-weight:600;text-decoration:none}.brand-lockup span{color:#999;font-size:.82rem}
.hairline-nav{display:flex;gap:28px;align-items:center;margin:0;font-size:.9rem}.hairline-nav a{text-decoration:none;color:#777}.hairline-nav a:hover{color:#171717}.hairline-nav .install-nav{background:#111;color:#fff;padding:9px 16px;border-radius:10px}.hairline-nav .install-nav:hover{color:#fff;background:#292929}
.hairline-hero{min-height:calc(100vh - 104px);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:54px 0 70px}
.hero-copy{text-align:center;max-width:680px;display:flex;flex-direction:column;align-items:center}
.hero-copy h1{font-size:clamp(2.6rem,5vw,4.7rem);line-height:1.02;letter-spacing:-.055em;font-weight:500;margin:0 0 18px}.hero-copy h1 em{font-family:"Instrument Serif",serif;font-weight:400}
.hero-copy p{max-width:520px;color:#7b7b7b;font-size:1.08rem;line-height:1.55;margin:0 0 28px}
.install-button{display:inline-flex;align-items:center;justify-content:space-between;gap:34px;background:#111;color:#fff;text-decoration:none;border-radius:10px;padding:12px 17px;font-size:.94rem;box-shadow:0 6px 18px rgba(0,0,0,.08)}.install-button:hover{color:#fff;background:#292929}.trust-line{margin-top:14px;color:#aaa;font-size:.78rem}
/* The central object shares the page's white ground; the drawing owns its strokes. */
.correspondence{width:min(640px,100%);margin:22px auto 0}
.correspondence-stage{width:100%;aspect-ratio:5/4;color-scheme:light;--hairline-plate:#fff;--hairline-hi:#232327;--hairline-edge:#a1a1aa;--hairline-mid:#c0c0c8;--hairline-lo:#e0e0e4}
.correspondence-stage svg{display:block;width:100%;height:auto}
.correspondence-controls{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}
.correspondence-controls button{appearance:none;background:transparent;color:#777;border:1px solid transparent;border-radius:6px;padding:8px 10px;font:11px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;cursor:pointer;min-height:40px}
.correspondence-controls button:hover,.correspondence-controls button[aria-pressed="true"]{color:#171717;border-color:#ddd;background:#fafafa}
.correspondence-controls button:focus-visible{outline:2px solid #555;outline-offset:3px}
.correspondence-read{min-height:3em;margin:12px auto 0;max-width:440px;text-align:center;color:#777;font-size:.8rem;line-height:1.5}
@media(max-width:700px){.correspondence{margin-top:20px}.correspondence-controls{gap:0}.correspondence-controls button{padding:8px;font-size:10px}.correspondence-read{max-width:280px}}
.figure-caption{display:flex;justify-content:space-between;border-top:1px solid #eee;padding-top:11px;color:#aaa;font-size:.74rem}
.hairline-examples{padding:120px 0}.section-heading{display:flex;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid #e7e7e7;color:#888;font-size:.78rem}.hairline-examples article{display:grid;grid-template-columns:80px 1fr;padding:28px 0;border-bottom:1px solid #e7e7e7;max-width:760px;margin-left:auto}.example-num{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#aaa;font-size:.75rem}.hairline-examples h2{margin:0 0 7px;font-size:1rem;font-weight:500}.hairline-examples p{margin:0;color:#888;font-size:.92rem}
.hairline-install{padding:90px 0 120px;display:flex;flex-direction:column;align-items:center;text-align:center}.hairline-install h2{font-size:clamp(2rem,4vw,3.4rem);font-weight:500;letter-spacing:-.045em;margin:0 0 28px}
.hairline-links{border-top:1px solid #e7e7e7}.hairline-links>a{display:grid;grid-template-columns:140px 1fr auto;gap:20px;padding:16px 0;border-bottom:1px solid #e7e7e7;text-decoration:none;font-size:.88rem}.hairline-links>a span:nth-child(2){color:#999}
.hairline-footer{margin-top:100px;padding:28px 0 36px;border-top:1px solid #e7e7e7;display:grid;grid-template-columns:1fr 1fr auto;gap:20px;color:#888;font-size:.78rem}.hairline-footer a{color:#555}.hairline-footer span:last-child{display:flex;gap:18px}
@media(max-width:700px){.hairline-shell{width:min(100% - 32px,1200px)}.hairline-header{height:78px}.hairline-nav a:not(.install-nav){display:none}.hairline-hero{min-height:auto;padding:74px 0 48px}.hero-copy h1{font-size:3rem}.attention-figure{margin-top:28px}.attention-figure .callout{display:none}.hairline-examples{padding:70px 0}.hairline-examples article{grid-template-columns:44px 1fr}.hairline-links>a{grid-template-columns:86px 1fr auto}.hairline-footer{grid-template-columns:1fr auto}.hairline-footer span:nth-child(2){display:none}}

/* one-object homepage */
.hairline-footer{grid-template-columns:1fr auto auto;align-items:start}
.footer-social,.footer-meta{display:flex;gap:18px}.footer-meta{justify-content:flex-end}
@media(max-width:700px){.hairline-footer{grid-template-columns:1fr;gap:14px}.hairline-footer span:nth-child(2){display:flex}.footer-meta{justify-content:flex-start;flex-wrap:wrap}}

/* shared Hairline subpage shell */
.hairline-page{max-width:760px;margin:0 auto;padding:84px 0 120px;min-height:65vh}
.hairline-page h1{font-size:clamp(2.4rem,5vw,4.5rem);letter-spacing:-.05em;font-weight:500;margin:0 0 42px}
.hairline-page>nav{display:none}
.hairline-page .footer{display:none}
.hairline-page .proof,.hairline-page .price-row,.hairline-page .editorial-links li{border-color:#e7e7e7}
.legal-page{max-width:760px}
.legal-page h1{margin-bottom:16px}.legal-page h2{font-size:1.2rem;margin:54px 0 18px}.legal-page h3{font-size:1rem;margin:36px 0 14px}.legal-page p,.legal-page li{color:#666;line-height:1.75}.legal-page strong,.legal-page .bold-white{color:#171717!important}.legal-page hr{border:0;border-top:1px solid #e7e7e7;margin:48px 0}.legal-page ul{list-style:disc;padding-left:22px}

/* story + changelog */
.eyebrow{font-size:.75rem;color:#aaa;text-transform:uppercase;letter-spacing:.08em;margin-bottom:18px}
.story-page,.changelog-page{max-width:800px}
.story-page h1,.changelog-page h1{max-width:12ch}
.story-page .lede,.changelog-page .lede{font-family:"Instrument Serif",serif;font-style:italic;font-size:clamp(1.5rem,3vw,2.25rem);color:#555;line-height:1.2;margin:-18px 0 60px}
.story-page>p:not(.eyebrow):not(.lede):not(.signature),.changelog-page>p{max-width:650px;font-size:1rem;line-height:1.75;color:#555}
.story-page h2{font-size:1.35rem;margin:76px 0 22px;letter-spacing:-.02em}
.story-page blockquote{font-family:"Instrument Serif",serif;font-style:italic;font-size:clamp(1.7rem,4vw,2.8rem);line-height:1.15;margin:56px 0;padding:0;border:0;max-width:720px}
.story-step,.change{display:grid;grid-template-columns:120px 1fr;gap:24px;padding:24px 0;border-top:1px solid #e7e7e7}
.story-step:last-of-type,.change:last-of-type{border-bottom:1px solid #e7e7e7}
.story-step>span,.change time{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.72rem;color:#aaa}
.story-step strong,.change strong{font-weight:500}.story-step p,.change p{margin:7px 0 0;color:#777;line-height:1.65}
.story-actions{margin:30px 0}.signature{font-family:"Instrument Serif",serif;font-style:italic;font-size:1.4rem;margin-top:50px}
.changelog-note{font-family:"Instrument Serif",serif;font-style:italic;font-size:1.35rem!important;margin-top:52px!important}
.social-icon{display:inline-flex!important;width:18px;height:18px;align-items:center;justify-content:center}.social-icon svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
@media(max-width:700px){.story-step,.change{grid-template-columns:76px 1fr}.story-page .lede,.changelog-page .lede{margin-bottom:42px}}

/* restored content surfaces */
:root{--shell-width:1200px;--reading-width:760px;--hero-gap:46px;--figure-width:920px;--figure-intensity:.32;--muted-opacity:.62}
.hairline-shell{width:min(var(--shell-width),calc(100% - 48px))}
.hairline-page{max-width:var(--reading-width);padding:var(--section-gap) 0 calc(var(--section-gap)*1.2)}
.archive-link{margin-top:54px!important}
.legal-callout{border-top:1px solid #e7e7e7;border-bottom:1px solid #e7e7e7;padding:22px 0;margin:34px 0 52px;background:transparent!important;border-radius:0!important}
.pricing-page,.research-page{max-width:900px}.pricing-page h1,.research-page h1{max-width:14ch}
.pricing-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:48px 0 72px}.pricing-card{border:1px solid #e5e5e5;border-radius:12px;padding:28px;display:flex;flex-direction:column;gap:18px}.pricing-card>div:first-child{display:flex;justify-content:space-between;gap:20px}.pricing-card ul{list-style:none;padding:0;margin:0 0 12px}.pricing-card li{padding:8px 0;border-bottom:1px solid #eee;color:#666;font-size:.9rem}.pricing-card button{border:0;cursor:pointer}.pricing-card small{color:#999}.pricing-section{padding:48px 0;border-top:1px solid #e7e7e7}.pricing-section h2{margin:0 0 18px;font-size:1.25rem}.addon-list p{display:flex;justify-content:space-between;gap:30px;padding:14px 0;border-bottom:1px solid #eee;margin:0}.addon-list span{color:#888;text-align:right}.pricing-section details{padding:15px 0;border-bottom:1px solid #eee}.pricing-section summary{cursor:pointer}.pricing-contact{margin-top:30px}
.research-page .lede{font-family:"Instrument Serif",serif;font-style:italic;font-size:2rem;color:#666;margin:-20px 0 10px}.research-byline{color:#aaa;font-size:.8rem;margin-bottom:48px}.research-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#e7e7e7;border:1px solid #e7e7e7;margin:40px 0 56px}.research-stats>div{background:white;padding:18px}.research-stats strong{display:block;font-size:1.55rem}.research-stats span{font-size:.72rem;color:#888}.citation,.research-caveat{border-top:1px solid #e7e7e7;border-bottom:1px solid #e7e7e7;padding:20px 0;margin:40px 0;color:#777}.citation span{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:#aaa}.research-page h2{font-size:1.35rem;margin:68px 0 18px}.research-page h3{font-size:1rem;margin:34px 0 10px}.research-page p{line-height:1.75;color:#666}.state-list article{display:grid;grid-template-columns:180px 1fr;gap:20px;padding:18px 0;border-top:1px solid #e7e7e7}.state-list article:last-child{border-bottom:1px solid #e7e7e7}.state-list p{margin:0}.state-diagram{border:1px solid #e7e7e7;border-radius:10px;padding:24px;overflow:auto;background:#fafafa;color:#666;line-height:1.55}

@media(max-width:700px){.pricing-grid{grid-template-columns:1fr}.research-stats{grid-template-columns:1fr 1fr}.state-list article{grid-template-columns:1fr;gap:5px}.addon-list p{flex-direction:column;gap:4px}.addon-list span{text-align:left}}

/* final quiet IA pass */
.version-link{color:#999!important;font-size:.82rem;text-decoration:none}.version-link:hover{color:#171717!important}
.essay-index{list-style:none;padding:0;margin:42px 0 0}.essay-index li{border-top:1px solid #e7e7e7}.essay-index li:last-child{border-bottom:1px solid #e7e7e7}.essay-index a{display:flex;justify-content:space-between;gap:28px;padding:17px 0;text-decoration:none;color:#222}.essay-index a:hover span{opacity:.58}.essay-index time{color:#aaa;font-size:.75rem;white-space:nowrap}.essays-page .archive-link{margin-top:78px!important;padding-top:18px;border-top:1px solid #e7e7e7;display:flex;justify-content:space-between;color:#999;font-size:.84rem}
.quiet-research{max-width:760px}.quiet-research h1{max-width:15ch}.quiet-research .research-stats{margin:52px 0 70px}.quiet-rule{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:24px 0;border-top:1px solid #e7e7e7}.quiet-rule>span{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#aaa;font-size:.72rem}.quiet-rule p{margin:0!important}.quiet-rule:last-of-type{border-bottom:1px solid #e7e7e7}.research-next{font-family:"Instrument Serif",serif;font-style:italic;font-size:1.55rem!important;line-height:1.3!important;color:#444!important;margin-top:70px!important}
@media(max-width:700px){.essay-index a{gap:14px}.quiet-rule{grid-template-columns:42px 1fr}.essays-page .archive-link{margin-top:54px!important}}

.archive-only{justify-content:flex-end!important}.essay-article{max-width:720px}.essay-article .lede{font-family:"Instrument Serif",serif;font-style:italic;font-size:1.65rem;line-height:1.25;color:#666;margin:-18px 0 54px}.essay-article p,.essay-article li{line-height:1.75;color:#5f5f5f}.essay-article h2{font-size:1.25rem;margin:58px 0 16px}.essay-article blockquote{font-family:"Instrument Serif",serif;font-style:italic;font-size:1.7rem;line-height:1.3;margin:46px 0;padding:0;border:0}

.story-bridge{font-family:"Instrument Serif",serif;font-style:italic;font-size:1.45rem!important;line-height:1.35!important;color:#444!important;margin:54px 0!important;max-width:680px!important}

/* 2026-10 system cleanup */
.hairline-site,.hairline-site button,.hairline-site input,.hairline-site summary{font-family:"DM Sans",sans-serif}
.hairline-header{height:72px}.hairline-nav{gap:24px;font-size:.84rem}.brand-name{font-size:.92rem}
.hairline-page{padding:64px 0 96px}.hairline-page h1{font-size:clamp(1.9rem,3.1vw,2.9rem);line-height:1.04;letter-spacing:-.04em;margin:0 0 30px;font-weight:500}
.story-page h1,.changelog-page h1,.pricing-page h1,.research-page h1{max-width:18ch}
.story-page h2,.research-page h2,.pricing-section h2,.essay-article h2{font-size:1.12rem;letter-spacing:-.01em}
.story-page .lede,.changelog-page .lede,.story-page blockquote,.signature,.changelog-note,.research-page .lede,.research-next,.essay-article .lede,.essay-article blockquote,.story-bridge{font-family:"DM Sans",sans-serif!important;font-style:normal!important}
.story-page .lede,.changelog-page .lede,.research-page .lede,.essay-article .lede{font-size:1.12rem!important;line-height:1.55!important;color:#777!important}
.story-page blockquote,.essay-article blockquote{font-size:1.35rem!important;line-height:1.4!important}
.story-step>span,.change time,.example-num,.card-index,.instrument-note,.question-chip,.correspondence-controls button{font-family:"DM Sans",sans-serif!important}
.hairline-hero{min-height:calc(100svh - 72px);padding:24px 0 18px;justify-content:flex-start}
.hero-copy h1{font-size:clamp(2.25rem,4vw,3.55rem);margin:0 0 12px}.hero-copy h1 em{font-family:"DM Sans",sans-serif;font-style:italic;font-weight:500}
.hero-copy p{font-size:.98rem;line-height:1.45;margin:0 0 18px}.install-button{padding:10px 15px;font-size:.88rem}.trust-line{margin-top:9px}
.correspondence{width:min(540px,55vh,100%);margin:8px auto 0}.correspondence-controls button{min-height:30px;padding:5px 8px;font-size:10px}.correspondence-read{min-height:0;margin:6px auto 0;font-size:.72rem}
.hairline-footer{margin-top:64px;padding:22px 0 30px}.archive-only{justify-content:flex-end!important}
@media(max-width:700px){.hairline-header{height:64px}.hairline-hero{min-height:calc(100svh - 64px);padding:28px 0 14px}.hero-copy h1{font-size:2.55rem}.hero-copy p{font-size:.94rem}.correspondence{width:min(100%,48vh)}.hairline-page{padding:48px 0 72px}.hairline-page h1{font-size:2.2rem}}

/* restored essay archive */
.essay-article{max-width:720px}
.essay-article>p,.essay-article li{font-size:.98rem;line-height:1.72;color:#5f5f5f}
.essay-article .lede{margin:-8px 0 46px!important}
.essay-article h2{margin:52px 0 14px}.essay-article h3{font-size:1rem;margin:34px 0 10px}
.essay-article ul,.essay-article ol{padding-left:22px}
.essay-article blockquote{margin:38px 0;padding:18px 0;border-top:1px solid #e7e7e7;border-bottom:1px solid #e7e7e7;color:#444}
.callout-label{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:#aaa;margin-bottom:8px}
.essay-table{overflow-x:auto;margin:28px 0 36px}.essay-table table{width:100%;border-collapse:collapse}.essay-table th,.essay-table td{text-align:left;vertical-align:top;padding:11px 10px;border-bottom:1px solid #e7e7e7;font-size:.82rem;line-height:1.5}.essay-table th{font-weight:500;color:#888}
.essay-cta{margin:30px 0}.essay-cta a{text-decoration:none;font-weight:500}

/* final visual polish — About is the reference rhythm */
.hero-copy h1 em{font-family:"Instrument Serif",serif!important;font-style:italic!important;font-weight:400!important}
.correspondence{width:min(620px,62vh,100%);margin:8px auto 0}
.pricing-card{display:flex;flex-direction:column}
.pricing-card .pricing-cta{margin-top:auto;min-height:42px;border:0;border-radius:12px;padding:11px 16px;display:flex;align-items:center;justify-content:center;background:#111;color:#fff;text-decoration:none;font:500 .88rem/1.2 "DM Sans",sans-serif;cursor:pointer;box-shadow:none}
.pricing-card .pricing-cta:hover{background:#292929;color:#fff}
.pricing-card small{min-height:1.2em}
.essay-article .lede,.document-page .lede{font-size:1rem!important;line-height:1.72!important;color:#5f5f5f!important;margin:0 0 34px!important}
.essay-article>p,.essay-article li,.document-page>p{font-size:1rem!important;line-height:1.75!important;color:#555!important}
.essay-article h2,.document-page h2{font-size:1.12rem!important;margin:48px 0 14px!important;font-weight:500;letter-spacing:-.01em}
.essay-article h3,.document-page h3{font-size:1rem!important;margin:32px 0 10px!important;font-weight:500}
.essay-article blockquote{font-family:"DM Sans",sans-serif!important;font-style:normal!important;font-size:1rem!important;line-height:1.75!important;margin:30px 0!important;padding:0!important;border:0!important;color:#444!important}
.callout-label{font-size:.75rem;text-transform:none;letter-spacing:0;color:#999;margin-bottom:6px}
.document-page{max-width:760px!important}
.document-page code{font:inherit;background:transparent;padding:0;color:#333}
.document-page .research-caveat{border:0!important;padding:0!important;margin:42px 0!important;color:#888!important;font-size:.88rem!important}
.document-page .research-stats,.document-page .quiet-rule,.document-page .state-diagram{display:block;background:transparent;border:0;padding:0}
.essays-page .archive-link.archive-only{justify-content:flex-end}
@media(max-width:700px){.correspondence{width:min(100%,56vh)}}

/* Julian audit — final editorial hierarchy */
.pricing-plan{display:grid;grid-template-rows:1fr auto;gap:10px}
.pricing-plan .pricing-card{height:100%}
.pricing-cta-secondary{background:#fff!important;color:#171717!important;border:1px solid #d9d9d9!important;box-shadow:none!important}
.pricing-cta-secondary:hover{background:#f7f7f7!important;color:#171717!important;border-color:#c8c8c8!important}
.operator-refund{margin:0 2px;color:#999;font-size:.78rem;line-height:1.45}
.research-paper{max-width:800px}
.research-paper .research-byline{margin:-10px 0 52px;color:#aaa;font-size:.8rem}
.research-paper .research-citation{margin-top:64px!important;padding-top:18px;border-top:1px solid #e7e7e7;color:#888!important;font-size:.82rem!important}
.research-paper h3{font-size:1rem;margin:34px 0 8px}
.changelog-page .change p{max-width:620px}
.essay-article{max-width:760px}
.essay-article>p,.essay-article li{max-width:680px}
@media(max-width:700px){.pricing-plan{gap:8px}}

/* Edward Sturm SEO landing pages */
.seo-landing{max-width:760px}
.seo-landing h1{max-width:17ch}
.seo-answer{font-size:1.12rem!important;line-height:1.55!important;color:#333!important;max-width:650px;margin:-6px 0 32px!important}
.seo-landing>p:not(.eyebrow):not(.seo-answer):not(.seo-related){max-width:650px;font-size:1rem;line-height:1.75;color:#555}
.seo-landing h2{font-size:1.12rem;margin:48px 0 14px;letter-spacing:-.01em}
.seo-cta{margin:48px 0 0;display:flex;align-items:center;gap:14px;flex-wrap:wrap}.seo-cta>span{color:#aaa;font-size:.78rem}
.seo-related{margin-top:42px;padding-top:16px;border-top:1px solid #e7e7e7;color:#888!important;font-size:.84rem!important}

/* Quiet reference links below the homepage hero. */
.home-support{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px 14px;margin:0;padding:40px 0 0;text-align:center;font-size:.8rem;line-height:1.6;color:#888}
.home-support a{color:#777;text-underline-offset:3px}

/* Hairline product explanations: readable labels, quiet diagrams, no runtime dependency. */
.explain-page{max-width:800px}.explain-page h1{max-width:20ch}.explain-page .page-intro{max-width:650px;color:#666;font-size:1.04rem;line-height:1.65;margin-bottom:48px}
.explain-section{margin-top:48px;padding-top:28px;border-top:1px solid #e7e7e7}.explain-section h2{font-size:1.15rem;letter-spacing:-.015em;margin:0 0 22px}.explain-section>p{color:#666;line-height:1.65}
.flow-diagram{display:grid;grid-template-columns:minmax(0,1fr) 28px minmax(0,1fr) 28px minmax(0,1fr);gap:8px;align-items:center;margin:28px 0}.flow-node{align-self:stretch;border:1px solid #dedede;border-radius:3px;padding:20px 16px;background:#fff}.flow-label{display:block;color:#888;font-size:.66rem;letter-spacing:.05em;margin-bottom:18px}.flow-node strong{font-size:.94rem;font-weight:500;display:block}.flow-node p{font-size:.82rem;line-height:1.6;color:#777;margin:12px 0 0}.flow-arrow{display:block;width:100%;color:#aaa}.diagram-caption{font-size:.8rem!important;line-height:1.65;color:#888!important}
.storage-list{margin:0}.storage-list>div{display:grid;grid-template-columns:180px 1fr;gap:24px;padding:20px 0;border-bottom:1px solid #eee}.storage-list dt{font-size:.88rem;font-weight:500}.storage-list dd{margin:0;font-size:.88rem;line-height:1.65;color:#666}.explain-page code{overflow-wrap:anywhere;font-size:.83em}
.technical-note{border-top:1px solid #e7e7e7;border-bottom:1px solid #e7e7e7;margin-top:44px;padding:20px 0}.technical-note summary{cursor:pointer;font-size:.88rem}.technical-note p{font-size:.86rem;line-height:1.7;color:#777;max-width:680px}.quiet-reference{font-size:.8rem;line-height:1.8;margin-top:32px;color:#888}
.outcome-list article{display:grid;grid-template-columns:38px 1fr;gap:12px;padding:22px 0;border-bottom:1px solid #eee}.outcome-list article>span{font-size:.75rem;color:#aaa;padding-top:4px}.outcome-list h3{font-size:1rem;font-weight:500;margin:0 0 8px}.outcome-list p{font-size:.9rem;line-height:1.65;color:#777;margin:0}
.product-cta{margin-top:42px;display:flex;flex-direction:column;align-items:flex-start;gap:12px}.product-cta>span{font-size:.78rem;color:#999}.hairline-faq{margin-top:42px}.hairline-faq details{padding:22px 0;border-bottom:1px solid #e7e7e7}.hairline-faq summary{cursor:pointer;font-size:1rem;font-weight:500;line-height:1.5}.hairline-faq p{max-width:640px;font-size:.92rem;line-height:1.75;color:#666;margin:16px 0 0}
.single-plan{max-width:510px;margin:42px 0}.single-plan .pricing-card{border-radius:4px}.single-plan .pricing-card small{font-size:.76rem;line-height:1.55}.essay-article .essay-byline{font-size:.78rem;color:#888;margin:-8px 0 32px;line-height:1.7}.footer-credit{line-height:1.8}
@media(max-width:600px){.flow-diagram{grid-template-columns:1fr;gap:10px}.flow-node{padding:20px}.flow-arrow{width:26px;height:26px;justify-self:center;transform:rotate(90deg)}.flow-label{margin-bottom:10px}.storage-list>div{grid-template-columns:1fr;gap:7px}.explain-page h1{max-width:100%}.single-plan .pricing-card{padding:22px}.single-plan .pricing-card>div:first-child{flex-wrap:wrap;gap:8px}}

.pricing-grid-single{grid-template-columns:minmax(0,1fr);max-width:510px;margin-inline:auto}

/* Quiet, source-linked early-user feedback. */
.user-proof{margin:48px 0 0;padding-top:28px;border-top:1px solid #e7e7e7}.user-proof blockquote{margin:0;padding:0;border:0;max-width:650px}.user-proof blockquote p{margin:0;color:#555;font-size:1.04rem;line-height:1.7}.user-proof figcaption{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:16px;color:#888;font-size:.78rem;line-height:1.6}.user-proof a{color:#777;text-underline-offset:3px}

/* Selected founder coverage, kept within the About reading column. */
.selected-press{max-width:650px}
.press-list{list-style:none;padding:0;margin:0}
.press-list li{border-top:1px solid #e7e7e7}
.press-list li:last-child{border-bottom:1px solid #e7e7e7}
.press-list a{display:flex;justify-content:space-between;gap:24px;padding:20px 0;text-decoration:none;color:#333}
.press-list a:hover strong{text-decoration:underline;text-underline-offset:3px}
.press-list strong{font-size:.9rem;font-weight:500}
.press-description{display:block;margin-top:5px;color:#666;font-size:.84rem;line-height:1.6}
.press-meta{display:flex;align-items:baseline;gap:12px;color:#777;font-size:.75rem;white-space:nowrap}
.press-affiliations{margin:24px 0 16px;color:#777;font-size:.78rem;line-height:1.8}
.press-more{display:flex;flex-wrap:wrap;gap:8px 24px;margin:0;font-size:.8rem}
.press-more a{color:#666;text-underline-offset:3px}

/* Pricing: one product, two billing frequencies */
.billing-switch{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;background:#f4f4f4;border-radius:8px}
.billing-switch button{border:0;border-radius:6px;padding:10px 8px;background:transparent;font:inherit;font-size:.85rem;color:#515151;cursor:pointer}
.billing-switch button.selected{background:#fff;color:#111;box-shadow:0 1px 4px #00000012;font-weight:600}
.billing-switch button:focus-visible{outline:2px solid #222;outline-offset:2px}
.billing-switch button span{color:#555}
.billing-note{font-size:.8rem;color:#666;margin:0}

/* Pricing page: clear billing choice and more relaxed editorial spacing */
.pricing-page h1{max-width:none;white-space:nowrap;font-size:clamp(2.05rem,3.2vw,2.5rem)}
.pricing-page .pricing-section{padding-top:76px;padding-bottom:68px}
.pricing-page .pricing-section h2{margin-bottom:27px}
.pricing-page .pricing-section details{padding:24px 0}
.pricing-page .pricing-section details p{margin:16px 0 4px;line-height:1.75;max-width:670px}
.pricing-page .pricing-contact{margin-top:44px}
@media(max-width:800px){.pricing-page h1{white-space:normal;font-size:clamp(2rem,5vw,2.65rem)}.pricing-page .pricing-section{padding-top:56px;padding-bottom:48px}}