/* Hallmark · genre: modern-minimal · macrostructure: Marquee Hero (long-scroll) · theme: custom-dark (navy paper · cyan accent · grotesk-sans) + light day state · enrichment: real device imagery · nav: N5 floating pill · footer: Ft5 statement */
/* Hallmark · pre-emit critique: P5 H5 E5 S5 R4 V5 */
@import "tokens.css";

/* ============ base ============ */
* { box-sizing: border-box; }
html, body { margin: 0; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-style: normal;
  letter-spacing: -0.025em;
  line-height: 1.08;
  text-wrap: balance;
  overflow-wrap: anywhere;
  min-width: 0;
}
p { margin: 0; }
:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; border-radius: 3px; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 clamp(20px, 4vw, 32px); }
section { padding-block: clamp(58px, 9vw, 108px); }
.tint { background: linear-gradient(180deg, var(--color-paper-2), var(--color-paper)); }

/* eyebrow / label register — the mono outlier role */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-accent);
  margin: 0 0 var(--space-md);
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
}
.eyebrow.dim { color: var(--color-muted-2); }
.accent { color: var(--color-accent); }
.soon { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent); }

/* ============ nav — N5 floating pill ============ */
.nav-shell { position: sticky; top: 0; z-index: 60; padding: var(--space-md) 0; pointer-events: none; }
.nav {
  pointer-events: auto;
  position: relative;
  max-width: min(var(--wrap), 100% - 2 * clamp(16px, 4vw, 28px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding: 0.5rem 0.5rem 0.5rem 1.25rem;
  border: var(--rule) solid var(--color-hairline);
  border-radius: var(--radius-pill);
  background: color-mix(in oklab, var(--color-paper) 72%, transparent);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  box-shadow: 0 12px 34px -22px var(--shadow-strong);
}
.wordmark { display: inline-flex; align-items: center; gap: 0.55rem; font-family: var(--font-display); font-weight: 600; font-size: var(--text-md); letter-spacing: -0.02em; }
.wordmark .logo { height: 26px; width: auto; }
.wordmark .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--color-accent); box-shadow: 0 0 12px 1px var(--color-accent); }
.nav-links { display: flex; gap: clamp(1rem, 2.6vw, 2rem); font-size: var(--text-sm); color: var(--color-muted); }
.nav-links a { position: relative; padding-block: 0.3rem; transition: color var(--dur-2) var(--ease-out); }
.nav-links a:hover { color: var(--color-ink); }
.nav-links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1.5px; background: var(--color-accent); transform: scaleX(0); transform-origin: left; transition: transform var(--dur-2) var(--ease-out); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a[aria-current="page"] { color: var(--color-ink); }
.nav-links a[aria-current="page"]::after { transform: scaleX(1); }
.nav-actions { display: flex; align-items: center; gap: var(--space-sm); }

/* round icon buttons — day/night toggle + mobile menu */
.theme-toggle, .nav-toggle { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; flex: none; border-radius: 50%; border: var(--rule) solid var(--color-hairline-2); background: transparent; color: var(--color-muted); cursor: pointer; padding: 0; transition: color var(--dur-2) var(--ease-out), border-color var(--dur-2) var(--ease-out), background var(--dur-2) var(--ease-out), transform var(--dur-1) var(--ease-out); }
.theme-toggle:hover, .nav-toggle:hover { color: var(--color-ink); border-color: var(--color-accent-line); background: color-mix(in oklab, var(--color-accent-tint) 40%, transparent); }
.theme-toggle:focus-visible, .nav-toggle:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.theme-toggle:active, .nav-toggle:active { transform: scale(0.94); }
.theme-toggle svg, .nav-toggle svg { width: 18px; height: 18px; }
:root[data-theme="light"] .theme-toggle .i-sun { display: none; }
:root:not([data-theme="light"]) .theme-toggle .i-moon { display: none; }
.nav-toggle { display: none; }              /* desktop: links are inline */
.nav-links .nav-menu-cta { display: none; }   /* desktop: real CTA lives in nav-actions (beats .btn) */
.nav-toggle .i-close { display: none; }
.nav[data-open="true"] .nav-toggle .i-open { display: none; }
.nav[data-open="true"] .nav-toggle .i-close { display: inline; }

/* skip link — visible on keyboard focus only */
.skip-link { position: absolute; left: -9999px; top: 0; z-index: 100; }
.skip-link:focus { left: var(--space-md); top: var(--space-md); padding: 0.6rem 1rem; border-radius: var(--radius-md); background: var(--color-accent); color: var(--color-on-accent); font-family: var(--font-body); font-weight: 600; font-size: var(--text-sm); }

/* ============ buttons — 8 states ============ */
.btn {
  --btn-bg: var(--color-paper-3);
  --btn-fg: var(--color-ink);
  --btn-bd: var(--color-hairline-2);
  display: inline-flex; align-items: center; justify-content: center; gap: 0.55em;
  font-family: var(--font-body); font-size: var(--text-sm); font-weight: 500;
  line-height: 1; white-space: nowrap;
  padding: 0.85rem 1.35rem;
  border-radius: var(--radius-pill);
  border: var(--rule) solid var(--btn-bd);
  background: var(--btn-bg); color: var(--btn-fg);
  cursor: pointer;
  transition: transform var(--dur-1) var(--ease-out), background var(--dur-2) var(--ease-out), border-color var(--dur-2) var(--ease-out), box-shadow var(--dur-2) var(--ease-out);
}
.btn--primary {
  --btn-bg: var(--color-accent); --btn-fg: var(--color-on-accent); --btn-bd: transparent;
  font-weight: 600;
  box-shadow: 0 14px 34px -18px var(--color-accent-strong);
}
.btn--primary:hover, .btn--primary.is-hover { background: var(--color-accent-strong); transform: translateY(-1px); }
.btn--ghost { --btn-bg: transparent; }
.btn--ghost:hover, .btn--ghost.is-hover { border-color: var(--color-accent-line); background: color-mix(in oklab, var(--color-accent-tint) 55%, transparent); transform: translateY(-1px); }
.btn:focus-visible, .btn.is-focus { outline: 2px solid var(--color-focus); outline-offset: 3px; }
.btn:active, .btn.is-active { transform: translateY(1px) scale(0.99); }
.btn[disabled], .btn.is-disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }
.btn[data-state="loading"] { color: transparent; position: relative; pointer-events: none; }
.btn[data-state="loading"]::after { content: ""; position: absolute; width: 15px; height: 15px; border: 2px solid color-mix(in oklab, var(--color-on-accent) 40%, transparent); border-top-color: var(--color-on-accent); border-radius: 50%; animation: spin 0.7s linear infinite; }
.btn[data-state="error"] { --btn-bg: color-mix(in oklab, var(--color-danger) 18%, var(--color-paper-3)); --btn-bd: var(--color-danger); --btn-fg: var(--color-ink); }
.btn[data-state="success"] { --btn-bg: color-mix(in oklab, var(--color-ok) 18%, var(--color-paper-3)); --btn-bd: var(--color-ok); --btn-fg: var(--color-ink); }
@keyframes spin { to { transform: rotate(360deg); } }

.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-md); }
.cta-note { font-size: var(--text-sm); color: var(--color-muted-2); max-width: 36ch; margin-top: var(--space-md); }
.jump { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-muted-2); display: inline-flex; gap: 0.5em; align-items: center; }
.jump:hover { color: var(--color-accent); }

/* ============ hero — Marquee ============ */
.hero { padding-top: clamp(28px, 5vw, 60px); padding-bottom: clamp(48px, 7vw, 88px); }
.hero-grid { display: grid; grid-template-columns: 1.06fr 0.94fr; gap: clamp(28px, 5vw, 60px); align-items: center; }
.hero h1 { font-size: var(--text-display); }
.hero .lead { margin-top: var(--space-lg); color: var(--color-muted); font-size: var(--text-md); max-width: 42ch; line-height: 1.5; }
.hero .cta-row { margin-top: var(--space-xl); }

/* device visual (real screenshots, no re-drawn chrome) */
.visual { position: relative; }
.visual .photo { width: 100%; border-radius: var(--radius-lg); border: var(--rule) solid var(--color-hairline); object-fit: cover; box-shadow: 0 40px 90px -50px var(--shadow-strong); }
.photo-hero { aspect-ratio: 4 / 5; }
.photo-clin { aspect-ratio: 3 / 2; }
.visual .device { position: absolute; bottom: 4%; right: -4%; width: 46%; border-radius: 22px; border: var(--rule) solid var(--color-hairline-2); filter: drop-shadow(0 30px 50px var(--shadow-soft)); }
.visual::after { content: ""; position: absolute; inset: -12% -8% auto auto; width: 55%; height: 55%; background: radial-gradient(circle, var(--color-accent-tint), transparent 70%); filter: blur(30px); opacity: 0.55; z-index: -1; }

/* ============ section head ============ */
.head { max-width: 42ch; margin-bottom: var(--space-2xl); }
.head.center { margin-inline: auto; text-align: center; }
.head h2 { font-size: var(--text-2xl); }
.head p { margin-top: var(--space-md); color: var(--color-muted); font-size: var(--text-md); }

/* ============ stat band ============ */
.statband .wrap { display: grid; grid-template-columns: auto 1fr; gap: clamp(20px, 4vw, 56px); align-items: center; }
.statband .fig { font-family: var(--font-display); font-weight: 500; font-size: clamp(3.5rem, 8vw, 6rem); line-height: 0.95; letter-spacing: -0.04em; color: var(--color-accent); font-variant-numeric: tabular-nums; }
.statband .fig small { display: block; font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-muted-2); margin-top: var(--space-sm); }
.statband .say { font-family: var(--font-display); font-weight: 500; font-size: var(--text-lg); line-height: 1.3; letter-spacing: -0.015em; max-width: 30ch; }
.statband .say b { color: var(--color-accent); font-weight: 500; }

/* ============ signals bento ============ */
.signals { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-md); }
.signal { border: var(--rule) solid var(--color-hairline); border-radius: var(--radius-md); background: var(--color-paper-2); padding: var(--space-lg); display: flex; flex-direction: column; gap: var(--space-sm); transition: border-color var(--dur-2) var(--ease-out), background-color var(--dur-3) var(--ease-out); }
/* informational cards: subtle border warm on hover, no button-style lift */
.signal:hover { border-color: var(--color-accent-line); }
/* cycling emphasis (clinician surface cards) — JS advances .is-lit; paused on hover/focus, off under reduced-motion */
.signals--cycle .signal.is-lit { border-color: var(--color-accent-line); background: var(--color-accent-tint); }
.signal .ic { width: 34px; height: 34px; color: var(--color-accent); }
.signal .ic svg { width: 100%; height: 100%; }
.signal .k { font-family: var(--font-display); font-weight: 500; font-size: var(--text-md); letter-spacing: -0.01em; }
.signal .d { font-size: var(--text-sm); color: var(--color-muted-2); line-height: 1.45; }
.signal--wide { grid-column: span 2; background: var(--color-accent-tint); border-color: var(--color-accent-line); }
.signal--wide .k { font-size: var(--text-lg); }
.signal--wide .d { color: var(--color-muted); }

/* ============ how it works — steps ============ */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 3vw, 32px); counter-reset: step; }
.step { position: relative; padding-top: var(--space-lg); border-top: 2px solid var(--color-hairline); }
.step::before { counter-increment: step; content: counter(step, decimal-leading-zero); font-family: var(--font-mono); font-size: var(--text-sm); color: var(--color-accent); letter-spacing: 0.1em; }
.step h3 { font-size: var(--text-md); margin-top: var(--space-sm); }
.step p { margin-top: var(--space-sm); color: var(--color-muted); font-size: var(--text-base); max-width: 32ch; }

/* ============ dual paths ============ */
.paths { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
.path { display: flex; flex-direction: column; gap: var(--space-md); padding: clamp(24px, 4vw, 40px); border: var(--rule) solid var(--color-hairline); border-radius: var(--radius-lg); background: var(--color-paper-2); transition: border-color var(--dur-2) var(--ease-out); }
.path:hover { border-color: var(--color-accent-line); }
.path .ptag { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-accent); }
.path h3 { font-size: var(--text-lg); }
.path p { color: var(--color-muted); font-size: var(--text-base); }
.path ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-sm); }
.path li { position: relative; padding-left: 1.5rem; color: var(--color-muted); font-size: var(--text-sm); }
.path li::before { content: ""; position: absolute; left: 0; top: 0.5em; width: 8px; height: 8px; border-radius: 2px; background: var(--color-accent); }
.path .btn { margin-top: auto; align-self: flex-start; }

/* ============ clinician split ============ */
.split { display: grid; grid-template-columns: 0.94fr 1.06fr; gap: clamp(28px, 5vw, 60px); align-items: center; }
.split .visual { order: -1; }
.split .lead { margin-top: var(--space-lg); color: var(--color-muted); font-size: var(--text-md); max-width: 44ch; }
.split .cta-row { margin-top: var(--space-xl); }
.chips { display: flex; flex-wrap: wrap; gap: var(--space-sm); margin-top: var(--space-lg); }
/* non-clickable tag — deliberately NOT the button language (no pill, no border) */
.chip-mono { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.06em; color: var(--color-muted-2); background: var(--color-paper-3); border-radius: var(--radius-sm); padding: 0.35rem 0.7rem; }

/* ============ interpretation / why ============ */
.why { border: var(--rule) solid var(--color-hairline); border-radius: var(--radius-lg); background: linear-gradient(180deg, var(--color-paper-2), var(--color-paper)); padding: clamp(28px, 5vw, 56px); }
.why .q { font-family: var(--font-display); font-weight: 500; font-size: var(--text-xl); line-height: 1.25; max-width: 26ch; letter-spacing: -0.02em; }
.why .body { margin-top: var(--space-lg); color: var(--color-muted); max-width: 56ch; }
.why .posture { margin-top: var(--space-lg); font-size: var(--text-sm); color: var(--color-muted-2); padding-top: var(--space-lg); border-top: var(--rule) solid var(--color-hairline); max-width: 56ch; }

/* ============ differentiation ============ */
.diff { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
.diff-item { padding-top: var(--space-lg); border-top: var(--rule) solid var(--color-hairline); }
.diff-item h3 { font-size: var(--text-md); }
.diff-item p { margin-top: var(--space-sm); color: var(--color-muted); font-size: var(--text-base); max-width: 34ch; }

/* ============ founder mission ============ */
.founder { max-width: 62ch; margin-inline: auto; text-align: center; }
.founder blockquote { margin: 0; font-family: var(--font-display); font-weight: 500; font-size: var(--text-xl); line-height: 1.3; letter-spacing: -0.02em; }
.founder .by { margin-top: var(--space-lg); font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-muted-2); }

/* ============ faq ============ */
.faq { max-width: 760px; margin-inline: auto; }
.faq details { border-bottom: var(--rule) solid var(--color-hairline); }
.faq summary { list-style: none; cursor: pointer; padding: var(--space-lg) 0; display: flex; justify-content: space-between; align-items: center; gap: var(--space-md); font-family: var(--font-display); font-weight: 500; font-size: var(--text-md); letter-spacing: -0.01em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary .plus { flex: none; width: 20px; height: 20px; position: relative; color: var(--color-accent); transition: transform var(--dur-2) var(--ease-out); }
.faq summary .plus::before, .faq summary .plus::after { content: ""; position: absolute; inset: 0; margin: auto; background: currentColor; }
.faq summary .plus::before { width: 100%; height: 2px; }
.faq summary .plus::after { width: 2px; height: 100%; transition: transform var(--dur-2) var(--ease-out); }
.faq details[open] summary .plus::after { transform: scaleY(0); }
.faq .ans { padding: 0 0 var(--space-lg); color: var(--color-muted); max-width: 62ch; }
.faq summary:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }

/* ============ closing cta ============ */
.close { text-align: center; }
.close h2 { font-size: var(--text-2xl); }
.close .lead { margin: var(--space-md) auto 0; color: var(--color-muted); max-width: 48ch; }
.close .cta-row { justify-content: center; margin-top: var(--space-xl); }

/* ============ footer ============ */
.foot { border-top: var(--rule) solid var(--color-hairline); padding-block: var(--space-2xl); }
.foot .grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: var(--space-xl); }
.foot .mark { font-family: var(--font-display); font-weight: 600; font-size: var(--text-md); }
.foot .tag { margin-top: var(--space-sm); color: var(--color-muted-2); font-size: var(--text-sm); max-width: 30ch; }
.foot .col h3 { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-muted-2); margin: 0 0 var(--space-md); font-weight: 400; }
.foot .col a { display: block; padding: 0.3rem 0; color: var(--color-muted); font-size: var(--text-sm); }
.foot .col a:hover { color: var(--color-accent); }
.foot .base { display: flex; flex-wrap: wrap; gap: var(--space-md); justify-content: space-between; margin-top: var(--space-2xl); padding-top: var(--space-lg); border-top: var(--rule) solid var(--color-hairline); font-family: var(--font-mono); font-size: var(--text-xs); color: var(--color-muted-2); }

/* ============ signature demo — flat line vs connected read (touch-safe, fail-safe) ============ */
.demo { border: var(--rule) solid var(--color-hairline); border-radius: var(--radius-lg); background: var(--color-paper-2); padding: clamp(20px, 4vw, 40px); }
.demo-toggle { display: inline-flex; gap: 4px; padding: 4px; border: var(--rule) solid var(--color-hairline-2); border-radius: var(--radius-pill); background: var(--color-paper); }
.demo-toggle button { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.04em; padding: 0.5rem 0.9rem; border-radius: var(--radius-pill); border: none; background: transparent; color: var(--color-muted-2); cursor: pointer; transition: background var(--dur-2) var(--ease-out), color var(--dur-2) var(--ease-out); }
.demo-toggle button[aria-pressed="true"] { background: var(--color-accent); color: var(--color-on-accent); font-weight: 500; }
.demo-toggle button:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 2px; }
.demo-chart { margin-top: var(--space-lg); }
.demo-chart svg { width: 100%; height: auto; display: block; }
.demo-anno { transition: opacity var(--dur-3) var(--ease-out); }
.demo[data-mode="flat"] .demo-anno { opacity: 0; }
.demo-why { margin-top: var(--space-lg); text-align: center; max-width: 62ch; margin-inline: auto; }
.demo-why .lab { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.12em; text-transform: uppercase; color: var(--color-accent); }
.demo-why .txt { margin-top: var(--space-sm); color: var(--color-muted); font-size: var(--text-base); line-height: 1.5; }
.demo[data-mode="flat"] .demo-why .connected-only { display: none; }
.demo[data-mode="connected"] .demo-why .flat-only { display: none; }
.demo-note { margin-top: var(--space-lg); font-size: var(--text-sm); color: var(--color-muted-2); max-width: 60ch; }

/* ============ named sub-context cards ============ */
.subctx { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-md); }
.sctx { border: var(--rule) solid var(--color-hairline); border-radius: var(--radius-md); background: var(--color-paper-2); padding: var(--space-lg); display: flex; flex-direction: column; gap: var(--space-sm); transition: border-color var(--dur-2) var(--ease-out); }
.sctx:hover { border-color: var(--color-accent-line); }
.sctx .ic { width: 30px; height: 30px; color: var(--color-accent); }
.sctx .ic svg { width: 100%; height: 100%; }
.sctx h3 { font-size: var(--text-md); }
.sctx p { font-size: var(--text-sm); color: var(--color-muted); line-height: 1.5; }

/* ============ AI transparency — how the read is made / where it stops ============ */
.transp { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
.transp .box { border: var(--rule) solid var(--color-hairline); border-radius: var(--radius-lg); padding: clamp(22px, 3.5vw, 36px); background: var(--color-paper-2); }
.transp .box.limits { background: var(--color-paper); }
.transp h3 { font-size: var(--text-md); }
.transp ul { list-style: none; padding: 0; margin: var(--space-md) 0 0; display: flex; flex-direction: column; gap: var(--space-sm); }
.transp li { position: relative; padding-left: 1.6rem; color: var(--color-muted); font-size: var(--text-base); line-height: 1.5; }
.transp li::before { content: ""; position: absolute; left: 0; top: 0.55em; width: 8px; height: 8px; border-radius: 2px; background: var(--color-accent); }
.transp .limits li::before { background: var(--color-muted-2); border-radius: 50%; }

/* ============ honest trust row ============ */
.trust { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); }
.trust .t { border-top: 2px solid var(--color-hairline); padding-top: var(--space-md); }
.trust .t .k { font-family: var(--font-display); font-weight: 500; font-size: var(--text-md); letter-spacing: -0.01em; }
.trust .t .d { margin-top: var(--space-xs); font-size: var(--text-sm); color: var(--color-muted-2); line-height: 1.45; }
.trust .t .soon { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent); }

/* ============ intended-use / limits disclaimer ============ */
.disclaimer { border-top: var(--rule) solid var(--color-hairline); margin-top: var(--space-xl); padding-top: var(--space-lg); }
.disclaimer p { font-size: var(--text-xs); color: var(--color-muted-2); line-height: 1.55; max-width: 92ch; }
.disclaimer strong { color: var(--color-muted); font-weight: 500; }

/* ============ waitlist opt-in ============ */
.optin { display: flex; gap: 0.6rem; align-items: flex-start; font-size: var(--text-sm); color: var(--color-muted); cursor: pointer; }
.optin input { flex: none; width: 18px; height: 18px; margin-top: 2px; accent-color: var(--color-accent); }

/* ============ clinician page bits ============ */
.surface-shot { max-width: 860px; margin: 0 auto var(--space-xl); }
.surface-shot .photo { width: 100%; }

.kpi { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-md); }
.kpi .card2 { border: var(--rule) solid var(--color-hairline); border-radius: var(--radius-md); background: var(--color-paper-2); padding: var(--space-lg); }
.kpi .card2 .k { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-muted-2); }
.kpi .card2 .v { font-family: var(--font-display); font-weight: 500; font-size: var(--text-lg); margin-top: var(--space-xs); }
.kpi .card2 p { margin-top: var(--space-sm); font-size: var(--text-sm); color: var(--color-muted); }

/* ============ legal / draft pages ============ */
.draft-banner { background: var(--color-accent-tint); border: var(--rule) solid var(--color-accent-line); border-radius: var(--radius-md); padding: var(--space-md) var(--space-lg); font-size: var(--text-sm); color: var(--color-muted); margin-bottom: var(--space-xl); }
.draft-banner strong { color: var(--color-accent); }
.prose { max-width: 74ch; }
.prose h1 { font-size: var(--text-2xl); }
.prose .updated { font-family: var(--font-mono); font-size: var(--text-xs); letter-spacing: 0.06em; color: var(--color-muted-2); margin-top: var(--space-sm); }
.prose h2 { font-size: var(--text-md); margin-top: var(--space-2xl); }
.prose p, .prose li { color: var(--color-muted); font-size: var(--text-base); line-height: 1.65; margin-top: var(--space-md); }
.prose ul { padding-left: 1.2rem; }
.prose a, .faq .ans a { color: var(--color-accent); text-decoration: underline; text-underline-offset: 2px; }
.prose a:hover, .faq .ans a:hover { text-decoration-thickness: 2px; }

/* ============ reduced motion ============ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::after, *::before { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ============ responsive (new components) ============ */
@media (max-width: 860px) {
  .subctx { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .transp { grid-template-columns: 1fr; }
  .trust { grid-template-columns: repeat(2, 1fr); }
  .kpi { grid-template-columns: 1fr; }
  .foot .grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .subctx, .trust { grid-template-columns: 1fr; }
  .demo-toggle { width: 100%; }
  .demo-toggle button { flex: 1; }
}

/* ============ responsive ============ */
@media (max-width: 940px) {
  .nav-toggle { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0; right: 0;
    flex-direction: column;
    gap: 2px;
    padding: var(--space-xs);
    border: var(--rule) solid var(--color-hairline);
    border-radius: var(--radius-lg);
    background: var(--color-paper-2);
    backdrop-filter: blur(16px) saturate(1.4);
    -webkit-backdrop-filter: blur(16px) saturate(1.4);
    box-shadow: 0 24px 50px -24px var(--shadow-strong);
  }
  .nav[data-open="true"] .nav-links { display: flex; }
  .nav-links a:not(.btn) { padding: 0.7rem 0.9rem; border-radius: var(--radius-md); font-size: var(--text-base); color: var(--color-muted); }
  .nav-links a:not(.btn)::after { display: none; }
  .nav-links a:not(.btn):hover { color: var(--color-ink); background: color-mix(in oklab, var(--color-accent-tint) 40%, transparent); }
  .nav-links a:not(.btn)[aria-current="page"] { background: color-mix(in oklab, var(--color-accent-tint) 60%, transparent); }
  .nav-actions > .btn--primary { display: none; }   /* CTA moves into the menu panel */
  .nav-links .nav-menu-cta { display: inline-flex; margin-top: var(--space-xs); justify-content: center; }
}
@media (max-width: 860px) {
  .hero-grid, .split, .paths, .statband .wrap { grid-template-columns: 1fr; }
  .split .visual { order: 0; }
  .signals, .steps, .diff { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .signal--wide { grid-column: span 2; }
  .foot .grid { grid-template-columns: 1fr 1fr; }
  .foot .brandcol { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .nav { padding-left: 1rem; }
  .signals, .steps, .diff { grid-template-columns: minmax(0, 1fr); }
  .signal--wide { grid-column: span 1; }
  .visual .device { position: static; width: 62%; margin: -18% auto 0; }
  .foot .grid { grid-template-columns: 1fr; }
}