:root {
  color-scheme: light;
  --bg: #f7f9fc;
  --surface: #ffffff;
  --surface-soft: #eef4f8;
  --surface-cyan: #e9fbff;
  --ink: #0b1d2e;
  --ink-soft: #43566a;
  --ink-faint: #5d6f82;
  --line: #d8e1e9;
  --line-strong: #bccbd7;
  --navy: #071827;
  --navy-2: #0c2438;
  --cyan: #28c7e8;
  --cyan-strong: #07738e;
  --mint: #56e3bc;
  --warning: #f1b85b;
  --danger: #e87373;
  --shadow: 0 24px 70px rgba(7, 24, 39, 0.10);
  --radius: 24px;
  --max: 1200px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #07111c;
  --surface: #0c1c2a;
  --surface-soft: #102433;
  --surface-cyan: #0b2934;
  --ink: #edf7fb;
  --ink-soft: #afc1cd;
  --ink-faint: #7e93a2;
  --line: #203746;
  --line-strong: #365363;
  --navy: #030b12;
  --navy-2: #0a1d2b;
  --cyan: #45d7f2;
  --cyan-strong: #45d7f2;
  --mint: #68e9c6;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.30);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; }
img { max-width: 100%; }
button, input, textarea { font: inherit; }
button { color: inherit; }
::selection { background: color-mix(in srgb, var(--cyan) 35%, transparent); }

.skip-link {
  position: fixed;
  left: 1rem;
  top: -5rem;
  z-index: 200;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  padding: .7rem 1rem;
  text-decoration: none;
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(18px) saturate(140%);
}
.nav-shell {
  width: min(var(--max), calc(100% - 40px));
  height: 74px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: inline-flex; align-items: center; text-decoration: none; flex: 0 0 auto; }
.brand img { width: 124px; height: auto; display: block; }
:root[data-theme="dark"] .brand img { filter: brightness(1.9) saturate(.9); }
.desktop-nav { display: flex; align-items: center; gap: 27px; font-size: .9rem; }
.desktop-nav a { text-decoration: none; color: var(--ink-soft); transition: color .2s ease; }
.desktop-nav a:hover, .desktop-nav a[aria-current="page"] { color: var(--ink); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.theme-button, .menu-button {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  cursor: pointer;
}
.theme-button svg, .menu-button svg { width: 18px; height: 18px; }
.theme-button .moon { display: block; }
.theme-button .sun { display: none; }
:root[data-theme="dark"] .theme-button .moon { display: none; }
:root[data-theme="dark"] .theme-button .sun { display: block; }
.menu-button { display: none; }
.mobile-menu {
  position: fixed;
  inset: 74px 0 0;
  z-index: 90;
  background: var(--bg);
  padding: 34px 24px;
}
.mobile-menu nav { display: grid; gap: 4px; }
.mobile-menu a {
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  font-family: Fraunces, Georgia, serif;
  font-size: 1.7rem;
  text-decoration: none;
}

.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(820px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 112px 0; border-top: 1px solid var(--line); }
.section-soft { background: var(--surface-soft); }
.section-dark { background: var(--navy); color: #edf7fb; border-color: rgba(255,255,255,.1); }
.section-cyan { background: var(--surface-cyan); }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--cyan-strong);
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .17em;
  text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 30px; height: 1px; background: currentColor; }
.section-dark .eyebrow { color: var(--mint); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: Fraunces, Georgia, serif; font-weight: 400; letter-spacing: -.035em; }
h1 { font-size: clamp(3.3rem, 7vw, 6.5rem); line-height: .96; margin-bottom: 28px; }
h2 { font-size: clamp(2.55rem, 5vw, 4.8rem); line-height: 1.04; margin-bottom: 24px; }
h3 { font-size: clamp(1.45rem, 2.2vw, 2rem); line-height: 1.15; margin-bottom: 12px; }
.lead { max-width: 770px; color: var(--ink-soft); font-size: clamp(1.08rem, 1.6vw, 1.3rem); line-height: 1.65; }
.section-dark .lead, .section-dark .muted { color: #adc2cf; }
.muted { color: var(--ink-soft); }
.max-copy { max-width: 720px; }

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 12px 22px;
  background: var(--ink);
  color: var(--bg);
  font-size: .91rem;
  font-weight: 650;
  line-height: 1;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(7,24,39,.15); }
.button-primary { background: var(--cyan); color: #061724; }
.button-ghost { background: transparent; border-color: var(--line-strong); color: var(--ink); }
.section-dark .button-ghost { border-color: rgba(255,255,255,.25); color: #edf7fb; }
.button-small { min-height: 40px; padding: 9px 17px; font-size: .82rem; }
.text-link { font-weight: 650; text-decoration-thickness: 1px; text-underline-offset: 5px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

.hero {
  position: relative;
  overflow: hidden;
  min-height: 760px;
  padding: 96px 0 110px;
  display: flex;
  align-items: center;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.45), transparent 78%);
  opacity: .38;
}
.hero::after {
  content: "";
  position: absolute;
  width: 540px;
  height: 540px;
  right: -140px;
  top: -180px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--cyan) 26%, transparent), transparent 68%);
  pointer-events: none;
}
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(420px, .95fr); gap: 72px; align-items: center; }
.hero-copy h1 span { color: var(--cyan-strong); }
.hero-copy .lead { max-width: 690px; }
.hero-note { margin: 30px 0 0; color: var(--ink-faint); font-size: .82rem; letter-spacing: .04em; }

.control-plane {
  position: relative;
  padding: 18px;
  border: 1px solid var(--line-strong);
  border-radius: 30px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.control-plane::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 78% 6%, color-mix(in srgb, var(--cyan) 22%, transparent), transparent 38%);
  pointer-events: none;
}
.plane-bar { display: flex; justify-content: space-between; align-items: center; padding: 5px 4px 16px; color: var(--ink-faint); font-size: .68rem; letter-spacing: .13em; text-transform: uppercase; }
.live-dot { display: inline-flex; align-items: center; gap: 7px; }
.live-dot::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 5px color-mix(in srgb, var(--mint) 14%, transparent); }
.plane-body { position: relative; display: grid; gap: 10px; }
.policy-card, .flow-card, .human-gate {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  padding: 20px;
}
.policy-card { background: var(--navy); color: #edf7fb; border-color: #294153; }
.policy-card .tiny { color: #8fa8b7; }
.tiny { color: var(--ink-faint); font-size: .68rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.policy-title { margin: 12px 0 6px; font-family: Fraunces, Georgia, serif; font-size: 1.2rem; letter-spacing: -.02em; }
.policy-card p:last-child { margin: 0; color: #b7cbd6; font-size: .83rem; line-height: 1.5; }
.signal-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 7px; }
.signal {
  min-height: 72px;
  display: grid;
  place-items: center;
  padding: 10px 5px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface-soft);
  color: var(--ink-soft);
  font-size: .68rem;
  text-align: center;
}
.decision-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; }
.decision { display: flex; gap: 11px; align-items: center; }
.decision-icon { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 10px; background: color-mix(in srgb, var(--warning) 22%, transparent); color: #a66e15; font-weight: 800; }
.decision p { margin: 0; line-height: 1.35; }
.decision strong { display: block; font-size: .85rem; }
.decision span { color: var(--ink-faint); font-size: .72rem; }
.receipt { padding: 8px 10px; border-radius: 9px; background: var(--surface-soft); color: var(--ink-soft); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .65rem; }
.human-gate { display: flex; align-items: center; justify-content: space-between; gap: 16px; border-color: color-mix(in srgb, var(--mint) 55%, var(--line)); background: color-mix(in srgb, var(--mint) 9%, var(--surface)); }
.gate-copy { display: flex; align-items: center; gap: 12px; }
.gate-mark { width: 32px; height: 32px; display: grid; place-items: center; border-radius: 50%; background: var(--mint); color: #06241c; font-weight: 900; }
.gate-copy p { margin: 0; font-size: .77rem; line-height: 1.35; }
.gate-copy strong { display: block; color: var(--ink); }
.gate-status { color: var(--ink-faint); font-size: .67rem; }
.pulse-line { height: 2px; margin: 1px 34px; background: linear-gradient(90deg, var(--cyan), var(--mint), var(--cyan)); background-size: 200% 100%; animation: flow 4s linear infinite; }
@keyframes flow { to { background-position: -200% 0; } }

.statement-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; align-items: start; }
.big-statement { font-family: Fraunces, Georgia, serif; font-size: clamp(2rem, 3.5vw, 3.6rem); line-height: 1.13; letter-spacing: -.035em; }
.big-statement em { color: var(--cyan-strong); font-style: normal; }
.problem-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.problem-row { display: grid; grid-template-columns: 110px 1fr; gap: 22px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.problem-row span { color: var(--cyan-strong); font-size: .72rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.problem-row p { margin: 0; color: var(--ink-soft); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.studio-shell { border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); overflow: hidden; }
.studio-toolbar { display: flex; align-items: center; justify-content: space-between; padding: 13px 17px; border-bottom: 1px solid var(--line); background: var(--surface-soft); color: var(--ink-faint); font-size: .72rem; }
.studio-body { padding: 22px; }
.intent-quote { padding: 18px; border-left: 3px solid var(--cyan); border-radius: 0 12px 12px 0; background: var(--surface-soft); color: var(--ink); font-family: Fraunces, Georgia, serif; font-size: 1.08rem; line-height: 1.5; }
.translation-grid { display: grid; gap: 10px; margin-top: 16px; }
.translation-item { display: grid; grid-template-columns: 90px 1fr; gap: 14px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 11px; font-size: .74rem; }
.translation-item span:first-child { color: var(--ink-faint); text-transform: uppercase; letter-spacing: .08em; }
.translation-item span:last-child { color: var(--ink-soft); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.publish-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); font-size: .72rem; color: var(--ink-faint); }
.pill { display: inline-flex; align-items: center; min-height: 26px; padding: 5px 10px; border-radius: 999px; background: color-mix(in srgb, var(--mint) 18%, var(--surface)); color: var(--ink); font-size: .67rem; font-weight: 700; }
.check-list { display: grid; gap: 14px; margin: 30px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 30px; color: var(--ink-soft); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--cyan-strong); font-weight: 900; }

.lifecycle {
  margin-top: 58px;
  display: grid;
  grid-template-columns: repeat(7, minmax(105px, 1fr));
  overflow-x: auto;
  padding: 4px 4px 20px;
}
.life-stage { position: relative; min-width: 105px; padding-right: 14px; }
.life-stage::before { content: ""; position: absolute; top: 18px; left: 34px; right: 0; height: 1px; background: var(--line-strong); }
.life-stage:last-child::before { display: none; }
.stage-dot { position: relative; z-index: 1; width: 36px; height: 36px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; background: var(--surface); color: var(--cyan-strong); font-size: .68rem; font-weight: 800; }
.life-stage h3 { margin: 15px 0 5px; font-family: Inter, sans-serif; font-size: .84rem; font-weight: 750; letter-spacing: 0; }
.life-stage p { margin: 0; color: var(--ink-faint); font-size: .72rem; line-height: 1.45; }
.outcome-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 34px; }
.outcome { padding: 7px 11px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--ink-soft); font-size: .72rem; }
.section-dark .stage-dot { border-color: rgba(255,255,255,.24); background: #0b2131; color: var(--mint); }
.section-dark .life-stage::before { background: rgba(255,255,255,.22); }
.section-dark .life-stage p { color: #9eb5c2; }
.section-dark .outcome { border-color: rgba(255,255,255,.18); background: #0b2131; color: #c0d1da; }

.loop-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 90px; align-items: center; }
.loop-quote { margin: 36px 0 0; padding: 20px 0 0; border-top: 1px solid rgba(255,255,255,.14); color: #dff9f2; font-family: Fraunces, Georgia, serif; font-size: clamp(1.35rem, 2vw, 1.9rem); line-height: 1.35; }
.loop { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; padding: 10px; }
.loop::before { content: ""; position: absolute; inset: 7% 10%; border: 1px dashed rgba(86,227,188,.38); border-radius: 50%; pointer-events: none; }
.loop-node { position: relative; z-index: 1; min-height: 118px; padding: 18px; border: 1px solid rgba(255,255,255,.13); border-radius: 17px; background: #0b2131; }
.loop-node:nth-child(2), .loop-node:nth-child(3) { transform: translateY(28px); }
.loop-node .num { color: var(--mint); font-size: .68rem; font-weight: 800; letter-spacing: .12em; }
.loop-node h3 { margin: 8px 0 5px; color: #edf7fb; font-family: Inter, sans-serif; font-size: .86rem; font-weight: 750; letter-spacing: 0; }
.loop-node p { margin: 0; color: #95adbb; font-size: .72rem; line-height: 1.5; }
.loop-center { grid-column: 1 / -1; position: relative; z-index: 2; margin: 8px auto 0; width: min(82%, 390px); padding: 15px 18px; border: 1px solid var(--mint); border-radius: 999px; background: #09271f; color: #e7fff8; text-align: center; font-size: .76rem; font-weight: 700; }

.legacy-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 72px; align-items: start; }
.legacy-stack { display: grid; gap: 12px; }
.legacy-layer { padding: 18px 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); box-shadow: 0 10px 30px rgba(7,24,39,.04); }
.legacy-layer:nth-child(2) { margin-left: 24px; }
.legacy-layer:nth-child(3) { margin-left: 48px; }
.legacy-layer:nth-child(4) { margin-left: 72px; border-color: color-mix(in srgb, var(--cyan) 60%, var(--line)); background: var(--surface-cyan); }
.legacy-layer strong { display: block; font-size: .84rem; }
.legacy-layer span { color: var(--ink-faint); font-size: .74rem; }

.guardrail-grid, .audience-grid, .feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 54px; }
.card { padding: 28px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.card-icon { width: 38px; height: 38px; display: grid; place-items: center; margin-bottom: 28px; border-radius: 11px; background: var(--surface-cyan); color: var(--cyan-strong); font-size: .78rem; font-weight: 800; }
.card h3 { font-size: 1.5rem; }
.card p { margin: 0; color: var(--ink-soft); font-size: .91rem; }
.section-dark .card { border-color: rgba(255,255,255,.13); background: #0b2131; }
.section-dark .card p { color: #9eb5c2; }

.closing-loop { margin-top: 50px; display: flex; align-items: stretch; gap: 0; overflow-x: auto; padding-bottom: 14px; }
.closing-step { min-width: 132px; flex: 1 0 132px; position: relative; padding: 18px 13px; border: 1px solid var(--line); background: var(--surface); color: var(--ink-soft); font-size: .72rem; text-align: center; }
.closing-step + .closing-step { border-left: 0; }
.closing-step:first-child { border-radius: 14px 0 0 14px; }
.closing-step:last-child { border-radius: 0 14px 14px 0; }
.closing-step strong { display: block; margin-bottom: 3px; color: var(--ink); font-size: .76rem; }

.faq-list { margin-top: 44px; border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { position: relative; cursor: pointer; list-style: none; padding: 24px 50px 24px 0; font-family: Fraunces, Georgia, serif; font-size: 1.32rem; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 8px; top: 23px; color: var(--cyan-strong); font-family: Inter, sans-serif; }
details[open] summary::after { content: "−"; }
details p { max-width: 760px; padding: 0 46px 24px 0; color: var(--ink-soft); }

.cta-panel { padding: 60px; border-radius: 28px; background: var(--navy); color: #edf7fb; overflow: hidden; position: relative; }
.cta-panel::after { content: ""; position: absolute; width: 340px; height: 340px; right: -100px; top: -140px; border-radius: 50%; background: radial-gradient(circle, rgba(40,199,232,.34), transparent 68%); }
.cta-panel > * { position: relative; z-index: 1; }
.cta-panel h2 { max-width: 800px; }
.cta-panel p { max-width: 680px; color: #acc1cd; }
.cta-panel .button-ghost { border-color: rgba(255,255,255,.32); color: #edf7fb; }

.form-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: start; }
.form-card { padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.fields { display: grid; gap: 17px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 17px; }
label { display: block; margin-bottom: 7px; font-size: .78rem; font-weight: 700; }
input, textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: var(--bg);
  color: var(--ink);
  padding: 12px 13px;
  outline: none;
  transition: border .2s ease, box-shadow .2s ease;
}
input { min-height: 48px; }
textarea { resize: vertical; min-height: 130px; }
input:focus, textarea:focus { border-color: var(--cyan-strong); box-shadow: 0 0 0 4px color-mix(in srgb, var(--cyan) 16%, transparent); }
.form-status { min-height: 24px; margin: 12px 0 0; font-size: .82rem; }
.form-status.is-success { color: #198461; }
.form-status.is-error { color: #c34c4c; }

.page-hero { padding: 110px 0 90px; border-bottom: 1px solid var(--line); background: linear-gradient(140deg, var(--bg), var(--surface-cyan)); }
.page-hero h1 { max-width: 980px; font-size: clamp(3.1rem, 6.5vw, 6rem); }
.page-hero .lead { max-width: 780px; }
.breadcrumb { margin-bottom: 44px; color: var(--ink-faint); font-size: .78rem; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 7px; margin: 0; padding: 0; list-style: none; }
.breadcrumb li { display: inline-flex; align-items: center; gap: 7px; }
.breadcrumb li + li::before { content: "/"; color: var(--line-strong); }
.breadcrumb li[aria-current="page"] { max-width: min(620px, 70vw); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.breadcrumb a { text-underline-offset: 4px; }
.numbered-list { counter-reset: steps; display: grid; gap: 0; margin-top: 46px; border-top: 1px solid var(--line); }
.numbered-item { counter-increment: steps; display: grid; grid-template-columns: 80px 1fr; gap: 24px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.numbered-item::before { content: "0" counter(steps); color: var(--cyan-strong); font-family: Fraunces, Georgia, serif; font-size: 1.5rem; }
.numbered-item p { margin: 0; color: var(--ink-soft); }
.quote-block { padding: 42px; border-left: 4px solid var(--cyan); border-radius: 0 20px 20px 0; background: var(--surface); font-family: Fraunces, Georgia, serif; font-size: clamp(1.65rem, 3vw, 2.8rem); line-height: 1.3; letter-spacing: -.02em; }
.section-dark .quote-block { background: #0b2131; color: #edf7fb; border-left-color: var(--mint); }
.note { padding: 16px 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-soft); color: var(--ink-soft); font-size: .82rem; }
.article-meta { display: flex; flex-wrap: wrap; gap: 9px 18px; margin-top: 30px; color: var(--ink-faint); font-size: .78rem; }
.prose { font-size: 1.06rem; line-height: 1.78; }
.prose h2 { margin: 3.4rem 0 1rem; font-size: clamp(2rem, 4vw, 3.2rem); }
.prose h3 { margin: 2.2rem 0 .8rem; font-size: 1.55rem; }
.prose p, .prose li { color: var(--ink-soft); }
.prose ul { display: grid; gap: .7rem; padding-left: 1.25rem; }
.prose .quote-block { margin: 3rem 0; color: var(--ink); }

.definition-list { display: grid; gap: 0; margin-top: 44px; border-top: 1px solid var(--line); }
.definition-item { display: grid; grid-template-columns: minmax(180px, .42fr) minmax(0, 1fr); gap: 38px; padding: 28px 0; border-bottom: 1px solid var(--line); scroll-margin-top: 96px; }
.definition-item h3 { margin: 0; font-family: Inter, sans-serif; font-size: 1rem; font-weight: 750; letter-spacing: -.01em; }
.definition-item p { margin: 0; color: var(--ink-soft); }

.answer-box {
  padding: 34px 38px;
  border: 1px solid color-mix(in srgb, var(--cyan) 48%, var(--line));
  border-radius: 20px;
  background: var(--surface-cyan);
  box-shadow: inset 4px 0 0 var(--cyan);
}
.answer-box .eyebrow { margin-bottom: 12px; }
.answer-box p:last-child { margin: 0; color: var(--ink); font-size: 1.12rem; line-height: 1.72; }

.table-wrap { width: 100%; margin-top: 40px; overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; background: var(--surface); }
.comparison-table { width: 100%; min-width: 840px; border-collapse: collapse; font-size: .86rem; line-height: 1.5; }
.comparison-table th, .comparison-table td { padding: 17px 18px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.comparison-table thead th { background: var(--surface-soft); color: var(--ink); font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.comparison-table tbody th { width: 16%; color: var(--ink); font-weight: 750; }
.comparison-table tbody td { color: var(--ink-soft); }
.comparison-table tbody tr:last-child th, .comparison-table tbody tr:last-child td { border-bottom: 0; }
.comparison-table tbody tr:hover { background: color-mix(in srgb, var(--cyan) 5%, transparent); }
.comparison-table th span { display: block; margin-top: 4px; color: var(--ink-soft); font-size: .78rem; font-weight: 500; }
.section-dark .table-wrap { border-color: rgba(255,255,255,.16); background: #0b2131; }
.section-dark .comparison-table th, .section-dark .comparison-table td { border-color: rgba(255,255,255,.12); }
.section-dark .comparison-table thead th { background: #102b3d; color: #edf7fb; }
.section-dark .comparison-table tbody th { color: #edf7fb; }
.section-dark .comparison-table tbody td { color: #afc1cd; }

.control-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-top: 42px; }
.control-card { padding: 24px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.control-card > span, .control-id { display: inline-block; margin-bottom: 14px; color: var(--cyan-strong); font-size: .7rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.control-card h3 { font-family: Inter, sans-serif; font-size: .98rem; font-weight: 750; letter-spacing: -.01em; }
.control-card p { margin: 0; color: var(--ink-soft); font-size: .82rem; }

.control-detail-grid { display: grid; gap: 14px; margin-top: 42px; }
.control-detail { display: grid; grid-template-columns: minmax(210px, .42fr) minmax(0, 1fr); gap: 32px; padding: 26px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); scroll-margin-top: 96px; }
.control-detail h3 { margin: 0; font-size: 1.45rem; }
.control-detail dl { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; margin: 0; }
.control-detail dt { margin-bottom: 5px; color: var(--ink-faint); font-size: .68rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.control-detail dd { margin: 0; color: var(--ink-soft); font-size: .84rem; }

.source-list { display: grid; gap: 12px; margin: 30px 0 0; padding: 0; list-style: none; }
.source-list li { padding: 15px 18px; border-left: 3px solid var(--cyan); background: var(--surface); color: var(--ink-soft); font-size: .88rem; }
.source-list a { color: var(--ink); font-weight: 700; text-underline-offset: 4px; }
.citation-box { margin-top: 42px; padding: 26px; border: 1px dashed var(--line-strong); border-radius: 16px; background: var(--surface-soft); }
.citation-box p:last-child { margin: 0; color: var(--ink-soft); font-size: .86rem; overflow-wrap: anywhere; }

.download-stack { display: grid; gap: 12px; }
.download-card { display: grid; gap: 4px; padding: 22px; border: 1px solid rgba(255,255,255,.16); border-radius: 15px; background: #0b2131; color: #edf7fb; text-decoration: none; transition: transform .2s ease, border-color .2s ease; }
.download-card:hover { transform: translateY(-2px); border-color: var(--mint); }
.download-card strong { font-family: Fraunces, Georgia, serif; font-size: 1.45rem; font-weight: 400; }
.download-card span { color: #afc1cd; font-size: .82rem; }

.code-sample { max-height: 540px; margin: 0; padding: 26px; overflow: auto; border: 1px solid var(--line); border-radius: 18px; background: var(--navy); color: #dceaf2; font-size: .78rem; line-height: 1.65; box-shadow: var(--shadow); }
.code-sample code { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }

.case-timeline { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 42px 0 28px; }
.case-timeline article { padding: 26px; border: 1px solid var(--line); border-radius: 16px; background: var(--surface); }
.case-timeline article:last-child { grid-column: 1 / -1; }
.case-timeline span { display: block; margin-bottom: 12px; color: var(--cyan-strong); font-size: .7rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.case-timeline h3 { font-size: 1.45rem; }
.case-timeline p { margin: 0; color: var(--ink-soft); font-size: .88rem; }

.site-footer { padding: 70px 0 38px; border-top: 1px solid var(--line); background: var(--surface); }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr .8fr; gap: 60px; }
.footer-brand img { width: 126px; }
:root[data-theme="dark"] .footer-brand img { filter: brightness(1.9) saturate(.9); }
.footer-brand p { max-width: 380px; margin: 20px 0 0; color: var(--ink-soft); font-size: .86rem; }
.footer-col h3 { font-family: Inter, sans-serif; font-size: .72rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.footer-col nav { display: grid; gap: 10px; }
.footer-col a { color: var(--ink-soft); font-size: .86rem; text-decoration: none; }
.footer-col a:hover { color: var(--ink); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 54px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--ink-faint); font-size: .75rem; }

.reveal-ready [data-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .65s ease, transform .65s ease; }
.reveal-ready [data-reveal].is-visible { opacity: 1; transform: none; }
:focus-visible { outline: 3px solid var(--cyan-strong); outline-offset: 3px; }
.sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }

@media (max-width: 1040px) {
  .desktop-nav { display: none; }
  .menu-button { display: inline-grid; }
  .hero-grid, .split, .loop-layout, .legacy-grid, .form-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 70px; }
  .hero-grid { gap: 54px; }
  .hero-copy { max-width: 840px; }
  .control-plane { width: min(660px, 100%); }
  .statement-grid { gap: 50px; }
  .guardrail-grid, .audience-grid, .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .control-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .control-detail { grid-template-columns: 1fr; }
  .form-grid { gap: 46px; }
}

@media (max-width: 760px) {
  .nav-shell, .container, .narrow { width: min(100% - 28px, var(--max)); }
  .nav-shell { height: 68px; }
  .mobile-menu { inset: 68px 0 0; }
  .nav-actions > .button { display: none; }
  .section { padding: 82px 0; }
  .hero { min-height: auto; padding: 70px 0 82px; }
  h1 { font-size: clamp(3rem, 15vw, 4.6rem); }
  h2 { font-size: clamp(2.35rem, 11vw, 3.5rem); }
  .hero-grid { grid-template-columns: 1fr; }
  .statement-grid { grid-template-columns: 1fr; gap: 44px; }
  .problem-row { grid-template-columns: 1fr; gap: 7px; }
  .signal-row { grid-template-columns: repeat(2, 1fr); }
  .decision-row { grid-template-columns: 1fr; }
  .receipt { justify-self: start; }
  .human-gate { align-items: flex-start; flex-direction: column; }
  .translation-item { grid-template-columns: 1fr; gap: 4px; }
  .guardrail-grid, .audience-grid, .feature-grid { grid-template-columns: 1fr; }
  .control-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .control-detail dl { grid-template-columns: 1fr; }
  .case-timeline { grid-template-columns: 1fr; }
  .case-timeline article:last-child { grid-column: auto; }
  .answer-box { padding: 28px 24px; }
  .legacy-layer:nth-child(n) { margin-left: 0; }
  .loop-node:nth-child(n) { transform: none; }
  .cta-panel { padding: 38px 26px; }
  .field-row { grid-template-columns: 1fr; }
  .form-card { padding: 24px 18px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
  .numbered-item { grid-template-columns: 54px 1fr; gap: 12px; }
  .quote-block { padding: 30px 24px; }
  .definition-item { grid-template-columns: 1fr; gap: 8px; }
}

@media (max-width: 480px) {
  .control-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}