/* =========================================================
   Site-level layout — nav, hero, sections, footer
   ========================================================= */

/* ---------- Top nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px) saturate(1.1);
  -webkit-backdrop-filter: blur(12px) saturate(1.1);
  background: color-mix(in oklab, var(--bg) 72%, transparent);
  border-bottom: 1px solid var(--hairline);
}
.nav__row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  row-gap: 0.6rem;
  column-gap: 1rem;
  justify-content: space-between;
  padding-block: 1rem 1.1rem;
}
.nav__brand {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  min-width: 0;
  flex-shrink: 1;
}
.nav__mark {
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 420;
  letter-spacing: -0.01em;
  color: var(--on-bg);
  line-height: 1.3;
  display: inline-block;
}
.nav__mark em { font-style: italic; color: var(--accent-primary); font-weight: inherit; padding-right: 0.05em; }
.nav__sub {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--on-bg-faint);
}
.nav__links {
  display: flex;
  flex-basis: 100%;
  order: 3;
  gap: 1.25rem;
  font-size: var(--step--1);
  color: var(--on-bg-mute);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-top: 0.35rem;
  border-top: 1px solid var(--hairline);
  margin-top: 0.4rem;
  white-space: nowrap;
}
.nav__links::-webkit-scrollbar { display: none; }
.nav__links a { transition: color 160ms; }
.nav__links a:hover, .nav__links a.is-active { color: var(--on-bg); }
.nav__actions { display: flex; gap: 0.75rem; align-items: center; flex-shrink: 0; }

/* Nav CTA: compact on mobile, expanded on desktop */
.nav__cta { white-space: nowrap; padding: 0.7em 1.1em; font-size: var(--step--1); }
/* Compact nav CTA label on small screens */
.nav__cta-short { display: none; }
@media (max-width: 559px) {
  .nav__cta-full { display: none; }
  .nav__cta-short { display: inline; }
}


@media (min-width: 880px) {
  .nav__row { flex-wrap: nowrap; row-gap: 0; column-gap: 2rem; padding-block: 1.25rem 1.35rem; }
  .nav__links {
    flex-basis: auto;
    order: 0;
    gap: 2rem;
    overflow: visible;
    padding-top: 0;
    margin-top: 0;
    border-top: none;
  }
  .nav__cta { padding: 0.85em 1.25em; }
}

/* Hide the "JF · Est. 2024" subline on narrow mobile to free room for the CTA */
@media (max-width: 479px) {
  .nav__sub { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  min-height: min(92vh, 900px);
  display: grid;
  align-items: end;
  isolation: isolate;
}
.hero__canvas {
  position: absolute; inset: 0;
  z-index: -1;
}
.hero__vignette {
  position: absolute; inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, transparent 0%, color-mix(in oklab, var(--bg) 30%, transparent) 60%, var(--bg) 100%),
    linear-gradient(180deg, transparent 40%, var(--bg) 100%);
}
.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  padding-block: clamp(5rem, 10vw, 9rem);
  align-items: end;
}
@media (min-width: 960px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 0.48fr); }
}

.hero__meta {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2.25rem;
  align-items: center;
}
.hero__meta .divider {
  width: 2rem; height: 1px; background: var(--hairline-strong);
}

.hero__headline {
  font-size: clamp(2.2rem, 1.4rem + 3.4vw, 4.2rem);
  max-width: 16ch;
  margin: 0 0 2.75rem;
  line-height: 1.1;
}
.hero__headline em { display: inline-block; padding-bottom: 0.08em; }
.hero__lede {
  max-width: 44ch;
  font-size: var(--step-1);
  color: var(--on-bg-mute);
  margin-bottom: 2.5rem;
  line-height: 1.45;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.hero__aside {
  border-left: 1px solid var(--hairline);
  padding-left: 1.5rem;
  font-size: var(--step--1);
  color: var(--on-bg-mute);
}
.hero__aside .eyebrow { margin-bottom: 1rem; display: block; }
.hero__aside p { margin: 0 0 0.9rem; line-height: 1.55; }
.hero__aside .cite {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--on-bg-faint);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding-top: 0.6rem;
  border-top: 1px solid var(--hairline);
  margin-top: 1rem;
}

/* ---------- Section scaffolding ---------- */
.section {
  padding-block: clamp(4rem, 8vw, 7rem);
  position: relative;
}
.section--tinted {
  background: color-mix(in oklab, var(--deep-teal) calc(var(--section-accent-strength,0.10)*100%), var(--bg));
}
.section--paper {
  background: var(--bg-2);
}
.section__header {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: clamp(2.5rem, 4vw, 4rem);
}
@media (min-width: 800px) {
  .section__header {
    grid-template-columns: 1fr 1.6fr;
    gap: 3rem;
    align-items: baseline;
  }
}
.section__eyebrow-stack { display: flex; flex-direction: column; gap: 0.75rem; }
.section__title {
  font-size: var(--step-4);
  margin: 0;
  max-width: 22ch;
}
.section__kicker {
  font-size: var(--step-1);
  color: var(--on-bg-mute);
  max-width: 52ch;
  line-height: 1.45;
}

/* ---------- Reframe block (the core thesis) ---------- */
.reframe {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}
@media (min-width: 900px) {
  .reframe { grid-template-columns: 1.2fr 1fr; gap: 5rem; }
}
.reframe__quote {
  font-family: var(--font-display);
  font-weight: var(--display-weight, 380);
  font-size: var(--step-4);
  line-height: 1.08;
  letter-spacing: -0.018em;
  color: var(--on-bg);
  text-wrap: balance;
}
.reframe__quote em {
  font-style: italic;
  color: var(--accent-warm);
}
.reframe__body {
  display: flex; flex-direction: column; gap: 1rem;
  color: var(--on-bg-mute);
  font-size: var(--step-0);
  line-height: 1.6;
  max-width: 48ch;
}
.reframe__pain5 {
  position: relative;
  padding: 1.1rem 0 1.1rem 1.25rem;
  margin: 0 0 0.25rem !important;
  border-left: 2px solid var(--copper);
  font-family: var(--font-display);
  font-weight: 380;
  font-style: italic;
  font-size: var(--step-1);
  line-height: 1.35;
  letter-spacing: -0.005em;
  color: color-mix(in oklab, var(--on-bg) 92%, transparent) !important;
  max-width: 44ch;
}

/* ---------- Phases grid ---------- */
.phases {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  counter-reset: phase;
}
@media (min-width: 800px) { .phases { grid-template-columns: repeat(3, 1fr); } }

.phase {
  counter-increment: phase;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  padding: 1.75rem 1.5rem 2rem;
  border-top: 1px solid var(--hairline-strong);
  position: relative;
}
.phase::before {
  content: "0" counter(phase);
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--accent-warm);
  letter-spacing: 0.12em;
}
.phase__title {
  font-family: var(--font-display);
  font-weight: var(--display-weight, 380);
  font-size: var(--step-2);
  line-height: 1.1;
  margin: 0;
}
.phase__body { color: var(--on-bg-mute); line-height: 1.55; font-size: var(--step-0); }
.phase__body strong { color: var(--on-bg); font-weight: 500; }

/* ---------- Research / credibility band ---------- */
.credibility {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 900px) { .credibility { grid-template-columns: 0.95fr 1.05fr; gap: 4rem; } }

.cred-card {
  border: 1px solid var(--hairline);
  padding: 2rem;
  border-radius: var(--radius-l);
  background: color-mix(in oklab, var(--bg) 60%, var(--bg-2));
  position: relative;
}
.cred-card__label {
  display: flex; align-items: center; gap: 0.75rem;
  margin-bottom: 1.4rem;
}
.cred-card__dot {
  width: 0.55rem; height: 0.55rem; border-radius: 50%;
  background: var(--accent-warm);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent-warm) 20%, transparent);
}
.cred-card__quote {
  font-family: var(--font-display);
  font-weight: var(--display-weight, 380);
  font-size: var(--step-2);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--on-bg);
  margin: 0 0 1.75rem;
}
.cred-card__attribution {
  font-size: var(--step--1);
  color: var(--on-bg-mute);
  line-height: 1.5;
}
.cred-card__attribution .name {
  color: var(--on-bg);
  font-weight: 500;
}
.cred-card__boundary {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--hairline-strong);
  display: flex;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--on-bg-faint);
  line-height: 1.5;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.cred-card__boundary::before {
  content: "⟡";
  color: var(--accent-warm);
  flex-shrink: 0;
}

.cred-narrative { display: flex; flex-direction: column; gap: 1.5rem; color: var(--on-bg-mute); }
.cred-narrative p { margin: 0; font-size: var(--step-0); line-height: 1.65; max-width: 52ch; }
.cred-narrative p strong { color: var(--on-bg); font-weight: 500; }
.cred-narrative .footnote,
.prose__body .footnote {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--on-bg-faint);
  padding-top: 1rem;
  border-top: 1px solid var(--hairline);
  text-transform: none;
  letter-spacing: 0.01em;
  line-height: 1.55;
  margin-top: 1.5rem !important;
  max-width: 70ch;
}
.prose__body .footnote strong { color: var(--on-bg); }
.prose__body .footnote em { font-style: italic; color: var(--on-bg-mute); }
.prose__body .footnote a {
  color: var(--accent-primary);
  text-decoration: underline;
  text-decoration-color: color-mix(in oklab, var(--accent-primary) 40%, transparent);
  text-underline-offset: 0.2em;
}
.fn-ref {
  color: var(--accent-primary);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.75em;
  vertical-align: super;
  padding: 0 0.15em;
  border-radius: 2px;
}
.fn-ref:hover { background: color-mix(in oklab, var(--accent-primary) 15%, transparent); }

/* ---------- Bounded experiment callout ---------- */
.experiment {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding: clamp(2rem, 4vw, 3.5rem);  background: color-mix(in oklab, var(--deep-teal) 55%, var(--bg));
  border: 1px solid color-mix(in oklab, var(--teal-bright) 25%, transparent);
  border-radius: var(--radius-l);
  position: relative;
  overflow: hidden;
}
.experiment::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 120% at 100% 0%, color-mix(in oklab, var(--teal-bright) 18%, transparent), transparent 60%);
  pointer-events: none;
}
@media (min-width: 900px) {
  .experiment { grid-template-columns: 0.7fr 1fr; gap: 3rem; align-items: center; }
  .experiment__somatic { grid-column: 1 / -1; }
}
.experiment__somatic {
  position: relative;
  padding: 0 0 1.75rem 1.25rem;
  margin: 0 0 1rem;
  border-left: 2px solid color-mix(in oklab, var(--copper) 75%, transparent);
  border-bottom: 1px solid color-mix(in oklab, var(--teal-bright) 18%, transparent);
  max-width: 72ch;
}
.experiment__somatic-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--copper);
  margin-bottom: 0.6rem;
}
.experiment__somatic p {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 380;
  font-style: italic;
  font-size: var(--step-1);
  line-height: 1.4;
  letter-spacing: -0.005em;
  color: color-mix(in oklab, var(--fg) 88%, transparent);
}
.experiment__somatic p em {
  font-style: normal;
  font-weight: 500;
  color: var(--fg);
  background: color-mix(in oklab, var(--copper) 18%, transparent);
  padding: 0 0.25em;
  border-radius: 2px;
}
.experiment__title {
  font-family: var(--font-display);
  font-size: var(--step-3);
  line-height: 1.05;
  margin: 0;
  max-width: 14ch;
  letter-spacing: -0.01em;
  color: var(--fg);
  position: relative;
}
.experiment__body {
  color: color-mix(in oklab, var(--fg) 75%, transparent);
  line-height: 1.55;
  max-width: 52ch;
  position: relative;
}
.experiment__body p { margin: 0 0 1rem; }
.experiment__specs {
  display: flex; flex-wrap: wrap; gap: 1.5rem 2.5rem;
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: color-mix(in oklab, var(--fg) 60%, transparent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.experiment__specs > div { display: flex; flex-direction: column; gap: 0.3rem; }
.experiment__specs > div strong {
  color: var(--fg);
  font-weight: 500;
  font-size: var(--step--1);
  letter-spacing: 0.04em;
  text-transform: none;
  font-family: var(--font-body);
}

/* ---------- Signal (newsletter) band ---------- */
.signal {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: end;
  padding-block: clamp(4rem, 7vw, 6rem);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
@media (min-width: 900px) { .signal { grid-template-columns: 1.1fr 0.9fr; gap: 5rem; } }
.signal__title {
  font-family: var(--font-display);
  font-size: var(--step-4);
  line-height: 1.05;
  margin: 0;
  max-width: 16ch;
  letter-spacing: -0.015em;
}
.signal__title em { color: var(--accent-warm); font-style: italic; }
.signal__body {
  color: var(--on-bg-mute);
  font-size: var(--step-0);
  max-width: 48ch;
  line-height: 1.55;
  margin-bottom: 1.5rem;
}
.signal__meta {
  display: flex; gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--on-bg-faint);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1.5rem;
}

/* ---------- Footer ---------- */
.foot {
  padding-block: 4rem 2rem;
  border-top: 1px solid var(--hairline);
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}
@media (min-width: 800px) { .foot { grid-template-columns: 1.4fr 0.9fr 0.9fr 0.9fr; } }

.foot__brand {
  display: flex; flex-direction: column; gap: 1rem;
  font-size: var(--step--1);
  color: var(--on-bg-mute);
  max-width: 36ch;
}
.foot__mark { font-family: var(--font-display); font-size: var(--step-2); color: var(--on-bg); }
.foot__mark em { font-style: italic; color: var(--accent-primary); }

.foot__col {
  display: flex; flex-direction: column; gap: 0.7rem;
  font-size: var(--step--1);
}
.foot__col h4 {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--on-bg-faint);
  margin: 0 0 0.75rem;
  font-weight: 500;
}
.foot__col a { color: var(--on-bg-mute); transition: color 160ms; }
.foot__col a:hover { color: var(--on-bg); }

.foot__legal {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--on-bg-faint);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* ---------- The Method page (deep page) ---------- */
.method-hero {
  padding-block: clamp(6rem, 10vw, 9rem) clamp(3rem, 5vw, 5rem);
  border-bottom: 1px solid var(--hairline);
}
.method-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 900px) {
  .method-hero__grid { grid-template-columns: 0.35fr 1fr; gap: 4rem; align-items: baseline; }
}
.method-hero__title {
  font-family: var(--font-display);
  font-size: var(--step-5);
  line-height: 1.0;
  letter-spacing: -0.02em;
  margin: 0;
  max-width: 18ch;
  font-weight: var(--display-weight,380);
}
.method-hero__title em { color: var(--accent-warm); font-style: italic; }
.method-hero__meta {
  display: flex; flex-direction: column; gap: 1.25rem;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--on-bg-faint);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.method-hero__meta strong { color: var(--on-bg); font-weight: 500; }

/* TOC */
.method-toc {
  display: flex; flex-wrap: wrap; gap: 0 2rem;
  padding-block: 1.25rem;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: var(--step--2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--on-bg-faint);
}
.method-toc a { transition: color 160ms; padding: 0.25rem 0; }
.method-toc a:hover { color: var(--on-bg); }
.method-toc .num { color: var(--accent-warm); margin-right: 0.5rem; }

/* Method body */
.prose {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}
@media (min-width: 900px) {
  .prose { grid-template-columns: 0.35fr 1fr; gap: 4rem; align-items: start; }
}
.prose__section-label {
  position: sticky;
  top: 7rem;
  display: flex; flex-direction: column; gap: 0.6rem;
  padding-top: 0.4em;
}
.prose__section-num { color: var(--accent-warm); font-family: var(--font-mono); font-size: var(--step--2); letter-spacing: 0.12em; }
.prose__section-name {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--on-bg-mute);
}
.prose__body {
  max-width: var(--prose-max);
  display: flex; flex-direction: column; gap: 1.5rem;
}
.prose__body h2 {
  font-family: var(--font-display);
  font-weight: var(--display-weight,380);
  font-size: var(--step-3);
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 0 0 0.5rem;
  max-width: 22ch;
}
.prose__body h2 em { color: var(--accent-primary); font-style: italic; }
.prose__body p { margin: 0; line-height: 1.65; color: var(--on-bg); font-size: var(--step-0); }
.prose__body p.lede { font-size: var(--step-1); color: var(--on-bg-mute); line-height: 1.5; max-width: 52ch; font-family: var(--font-display); font-style: italic; font-weight: var(--display-weight,380); letter-spacing: -0.01em; }
.prose__body p small { color: var(--on-bg-mute); }
.prose__body .inline-cite {
  display: inline-flex; gap: 0.25em;
  font-family: var(--font-mono);
  font-size: 0.75em;
  color: var(--accent-warm);
  vertical-align: super;
  letter-spacing: 0.04em;
}

.protocol-list {
  list-style: none; padding: 0; margin: 0;
  display: grid; gap: 1.5rem;
  border-top: 1px solid var(--hairline);
}
.protocol-list li {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1.5rem;
  padding-block: 1.5rem;
  border-bottom: 1px solid var(--hairline);
}
.protocol-list .marker {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--accent-warm);
  letter-spacing: 0.12em;
  padding-top: 0.5rem;
}
.protocol-list dt {
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: var(--display-weight, 380);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}
.protocol-list dd { margin: 0; color: var(--on-bg-mute); line-height: 1.6; max-width: 52ch; }

/* Credentials table (used in method §07 Practitioner) */
.creds {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--hairline-strong);
  border-bottom: 1px solid var(--hairline-strong);
}
.cred-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem;
  padding-block: 1.25rem;
  border-bottom: 1px solid var(--hairline);
}
.cred-row:last-child { border-bottom: 0; }
@media (min-width: 700px) {
  .cred-row { grid-template-columns: 12rem 1fr; gap: 2rem; align-items: baseline; }
}
.cred-row__label {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--on-bg-faint);
}
.cred-row__value {
  font-family: var(--font-display);
  font-weight: var(--display-weight, 380);
  font-size: var(--step-1);
  letter-spacing: -0.005em;
  color: var(--on-bg);
  line-height: 1.3;
}
.cred-row__value small {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--step--1);
  color: var(--on-bg-mute);
  font-weight: 400;
  font-style: normal;
  margin-left: 0.5rem;
  letter-spacing: 0;
}

/* Attribution boundary box */
.boundary-box {
  padding: 1.5rem 1.75rem;
  border: 1px solid var(--hairline-strong);
  border-left: 3px solid var(--accent-warm);
  background: color-mix(in oklab, var(--muted-copper) 6%, transparent);
  font-size: var(--step--1);
  color: var(--on-bg-mute);
  line-height: 1.6;
  display: flex; flex-direction: column; gap: 0.75rem;
}
.boundary-box__label {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-warm);
}
.boundary-box strong { color: var(--on-bg); font-weight: 500; }

/* ---------- Tweaks panel ---------- */
.tweaks {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 100;
  width: min(320px, calc(100vw - 2.5rem));
  background: var(--dark-charcoal);
  color: var(--fg);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius-l);
  box-shadow: 0 18px 48px rgba(0,0,0,0.5), 0 2px 6px rgba(0,0,0,0.3);
  font-family: var(--font-body);
  display: none;
}
.tweaks.is-open { display: block; }
.tweaks__header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--rule);
}
.tweaks__title { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--fg-muted); }
.tweaks__close { background: none; border: 0; color: var(--fg-faint); font-size: 18px; cursor: pointer; line-height: 1; }
.tweaks__body { padding: 1rem 1.1rem 1.25rem; display: flex; flex-direction: column; gap: 1.1rem; }
.tweak { display: flex; flex-direction: column; gap: 0.5rem; }
.tweak__label { font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--fg-faint); }
.tweak__options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.4rem; }
.tweak__opt {
  appearance: none;
  border: 1px solid var(--rule-strong);
  background: transparent;
  color: var(--fg-muted);
  padding: 0.55rem 0.4rem;
  border-radius: var(--radius-m);
  font-family: var(--font-body);
  font-size: 11px;
  cursor: pointer;
  transition: all 140ms;
  text-transform: capitalize;
}
.tweak__opt:hover { color: var(--fg); border-color: var(--fg-faint); }
.tweak__opt[aria-pressed="true"] {
  background: var(--teal-bright);
  color: var(--near-black);
  border-color: var(--teal-bright);
}

/* ---------- Group session (Tuesday, free) ---------- */
.group-session {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  padding: clamp(2rem, 4vw, 3rem);
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-l);
  background:
    linear-gradient(180deg, color-mix(in oklab, var(--bg) 82%, var(--bg-2)) 0%, var(--bg) 100%);
  position: relative;
  overflow: hidden;
}
.group-session::before {
  content: "";
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent 0 48px, color-mix(in oklab, var(--on-bg) 4%, transparent) 48px 49px);
  pointer-events: none;
  mask: linear-gradient(180deg, rgba(0,0,0,0.35) 0%, transparent 70%);
  -webkit-mask: linear-gradient(180deg, rgba(0,0,0,0.35) 0%, transparent 70%);
}
@media (min-width: 900px) {
  .group-session {
    grid-template-columns: 1.35fr 1fr;
    gap: 4rem;
    align-items: stretch;
  }
}
.group-session__left, .group-session__right { position: relative; }

.group-session__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-primary);
  margin-bottom: 1.25rem;
}
.group-session__dot {
  width: 0.55rem; height: 0.55rem; border-radius: 50%;
  background: var(--accent-primary);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--accent-primary) 22%, transparent);
}
.group-session__title {
  font-family: var(--font-display);
  font-weight: var(--display-weight, 380);
  font-size: var(--step-3);
  line-height: 1.05;
  letter-spacing: -0.015em;
  margin: 0 0 1rem;
  max-width: 14ch;
}
.group-session__desc {
  color: var(--on-bg-mute);
  font-size: var(--step-0);
  line-height: 1.6;
  max-width: 52ch;
  margin: 0 0 1.75rem;
}
.group-session__actions {
  display: flex; flex-wrap: wrap; gap: 0.6rem;
}
.group-session__right {
  display: flex; align-items: center;
  padding-left: 0;
  border-left: 0;
}
@media (min-width: 900px) {
  .group-session__right {
    padding-left: 2.5rem;
    border-left: 1px solid var(--hairline);
  }
}
.group-session__meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem 2rem;
  width: 100%;
}
.group-session__meta > div { display: flex; flex-direction: column; gap: 0.35rem; }
.group-session__meta span {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--on-bg-faint);
}
.group-session__meta strong {
  font-family: var(--font-display);
  font-weight: var(--display-weight, 380);
  font-size: var(--step-1);
  letter-spacing: -0.005em;
  color: var(--on-bg);
}

/* ---------- Footer group-session banner ---------- */
.foot-banner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.4rem 1.6rem;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-l);
  margin-bottom: 3rem;
  background: color-mix(in oklab, var(--deep-teal) 14%, var(--bg));
}
.foot-banner__text { font-size: var(--step--1); color: var(--on-bg-mute); max-width: 50ch; }
.foot-banner__text strong { color: var(--on-bg); font-weight: 500; }
.foot-banner__tag {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-primary);
  margin-right: 0.6rem;
}

/* ---------- Alternative path block (inside Work with me) ---------- */
.alt-path {
  position: relative;
  margin-top: 2.25rem;
  padding-top: 1.75rem;
  display: flex; flex-direction: column; gap: 0.9rem;
}
.alt-path__rule {
  position: absolute;
  top: 0; left: 0;
  width: 3rem;
  height: 1px;
  background: color-mix(in oklab, var(--copper) 55%, transparent);
}
.alt-path__rule::before {
  content: "";
  position: absolute;
  left: 3rem; top: 0;
  width: calc(100% + 10rem);
  height: 1px;
  background: var(--hairline);
  pointer-events: none;
}
.alt-path__label {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--copper);
  margin-bottom: 0.2rem;
}
.alt-path__body {
  display: flex; flex-direction: column; gap: 0.9rem;
  max-width: 54ch;
}
.alt-path__body p {
  margin: 0;
  font-size: var(--step--1);
  line-height: 1.55;
  color: color-mix(in oklab, var(--fg) 70%, transparent);
}
.alt-path__body p strong { color: var(--fg); font-weight: 500; }
.alt-path__body .btn { align-self: flex-start; }

/* ---------- §07 Practitioner (home) ---------- */
.practitioner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}
@media (min-width: 900px) {
  .practitioner { grid-template-columns: 1.4fr 1fr; gap: 4rem; align-items: start; }
}
.practitioner__body {
  display: flex; flex-direction: column; gap: 1.1rem;
  font-size: var(--step-0);
  line-height: 1.65;
  color: var(--on-bg-mute);
  max-width: 62ch;
}
.practitioner__body p { margin: 0; }
.practitioner__body strong { color: var(--on-bg); font-weight: 500; }
.practitioner__body em { color: var(--on-bg); font-style: italic; }
.practitioner__lede {
  font-family: var(--font-display);
  font-weight: 380;
  font-style: italic;
  font-size: var(--step-2);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--on-bg) !important;
  margin-bottom: 0.4rem !important;
  max-width: 34ch;
}
.practitioner__tail { margin-top: 0.75rem !important; }

.practitioner__creds {
  display: flex; flex-direction: column; gap: 0;
  border-top: 1px solid var(--hairline-strong);
  border-bottom: 1px solid var(--hairline-strong);
}
.practitioner__cred {
  display: flex; flex-direction: column; gap: 0.35rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--hairline);
}
.practitioner__cred:last-child { border-bottom: 0; }
.practitioner__cred-label {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--on-bg-faint);
}
.practitioner__cred-value {
  font-family: var(--font-display);
  font-weight: 380;
  font-size: var(--step-1);
  letter-spacing: -0.005em;
  color: var(--on-bg);
  line-height: 1.3;
}
.practitioner__cred-note {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--on-bg-mute);
  letter-spacing: 0.03em;
}

/* ---------- Research page ---------- */
.section--tight { padding-block: clamp(1.5rem, 3vw, 2.5rem); }

/* Section-level TOC card (top of Research page) */
.toc {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  padding: 1.6rem 1.8rem;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-m);
  background: color-mix(in oklab, var(--bg-2) 60%, var(--bg));
}
@media (min-width: 780px) {
  .toc { grid-template-columns: 0.2fr 1fr; gap: 2rem; align-items: center; }
}
.toc__label {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--on-bg-faint);
}
.toc__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem 2rem;
  list-style: none;
  padding: 0; margin: 0;
}
@media (min-width: 780px) {
  .toc__list { grid-template-columns: 1fr 1fr; }
}
.toc__list a {
  display: flex; align-items: baseline; gap: 0.7rem;
  color: var(--on-bg);
  text-decoration: none;
  padding: 0.45rem 0;
  border-bottom: 1px solid transparent;
  font-size: var(--step-0);
  transition: color 0.15s, border-color 0.15s;
}
.toc__list a span {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--on-bg-faint);
  letter-spacing: 0.08em;
  min-width: 2.5rem;
}
.toc__list a:hover {
  color: var(--accent-primary);
  border-bottom-color: color-mix(in oklab, var(--accent-primary) 50%, transparent);
}

/* Method/research hero head wrapper + lede */
.method-hero__head { max-width: 64ch; }
.method-hero__lede {
  margin: 1.5rem 0 0;
  font-size: var(--step-1);
  line-height: 1.5;
  color: var(--on-bg-mute);
  max-width: 58ch;
}

/* Figure with inline illustration */
.research-figure {
  margin: 2rem 0 1.5rem;
  display: flex; flex-direction: column; gap: 1rem;
}
.research-figure__art {
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--bg-2);
}
.research-figure__art img { display: block; width: 100%; height: auto; }
.research-figure__caption {
  font-family: var(--font-body);
  font-size: var(--step--1);
  line-height: 1.55;
  color: var(--on-bg-mute);
  max-width: 62ch;
}
.research-figure__caption em { color: var(--on-bg); font-style: italic; }
.research-figure__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--copper);
  margin-right: 0.6rem;
}

/* Pull-quote line inside prose */
.research-pullquote {
  font-family: var(--font-display);
  font-weight: 400;
  font-style: italic;
  font-size: clamp(1.55rem, 1.35rem + 0.9vw, 2.1rem);
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--on-bg);
  margin: 1.75rem 0 1rem !important;
  padding-left: 1.25rem;
  border-left: 2px solid var(--copper);
  max-width: 44ch;
}

/* Principle callout */
.research-principle {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.6rem;
  margin: 1.5rem 0;
  padding: 1.4rem 1.6rem;
  border: 1px solid color-mix(in oklab, var(--teal-bright) 30%, transparent);
  border-radius: var(--radius-m);
  background: color-mix(in oklab, var(--deep-teal) 20%, var(--bg));
}
.research-principle__label {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--teal-bright);
}
.research-principle__body {
  font-family: var(--font-display);
  font-weight: 380;
  font-size: var(--step-1);
  line-height: 1.45;
  letter-spacing: -0.005em;
  color: var(--on-bg);
}
.research-principle__body strong { color: var(--accent-warm); font-weight: 500; }

/* Company / research landscape card */
.research-card {
  margin: 1.75rem 0;
  padding: 1.6rem 1.8rem;
  border: 1px solid var(--hairline-strong);
  border-radius: var(--radius-m);
  background: color-mix(in oklab, var(--bg-2) 50%, var(--bg));
}
.research-card__head {
  display: flex; flex-direction: column; gap: 0.35rem;
  padding-bottom: 1rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--hairline);
}
.research-card__label {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--on-bg-faint);
}
.research-card__name {
  font-family: var(--font-display);
  font-weight: 380;
  font-size: var(--step-2);
  letter-spacing: -0.01em;
  color: var(--on-bg);
  margin: 0;
}
.research-card__body {
  list-style: none;
  padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 0.7rem;
  color: var(--on-bg-mute);
  font-size: var(--step-0);
  line-height: 1.55;
}
.research-card__body li {
  position: relative;
  padding-left: 1.1rem;
}
.research-card__body li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55rem;
  width: 0.45rem; height: 1px;
  background: var(--copper);
}
.research-card__body strong { color: var(--on-bg); font-weight: 500; }

/* Source attribution line */
.research-source {
  margin-top: 2rem !important;
  padding-top: 1rem;
  border-top: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--on-bg-mute);
  line-height: 1.55;
  letter-spacing: 0.01em;
}
.research-source em { color: var(--on-bg); font-style: italic; }
.research-source__label {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--on-bg-faint);
  margin-right: 0.6rem;
}

/* ---------- Intersection reveal ----------
   Default is visible. JS adds .js-ready to <html>, at which point
   .reveal elements start hidden and fade in on intersection. If JS
   fails or the observer misfires, content stays visible. */
html.js-ready .reveal { opacity: 0; transform: translateY(12px); transition: opacity 700ms cubic-bezier(0.2,0.7,0.2,1), transform 700ms cubic-bezier(0.2,0.7,0.2,1); }
html.js-ready .reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  html.js-ready .reveal { opacity: 1; transform: none; transition: none; }
}