:root {
  --max: 82rem;
  --reading: 67rem;
  --navy: #17324d;
  --navy-soft: color-mix(in srgb, var(--navy) 8%, var(--surface));
  --teal: #087f79;
  --teal-soft: color-mix(in srgb, var(--teal) 9%, var(--surface));
  --gold: #b87812;
  --gold-soft: color-mix(in srgb, var(--gold) 10%, var(--surface));
  --plum: #79506f;
  --plum-soft: color-mix(in srgb, var(--plum) 9%, var(--surface));
  --coral: #b74d45;
  --coral-soft: color-mix(in srgb, var(--coral) 8%, var(--surface));
  --rule: color-mix(in srgb, var(--text) 17%, transparent);
  --rule-strong: color-mix(in srgb, var(--text) 32%, transparent);
}

html { scroll-behavior: smooth; scroll-padding-top: 4.5rem; }
body { overflow-x: hidden; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: .6rem;
  left: .6rem;
  transform: translateY(-180%);
  padding: .65rem .9rem;
  background: var(--text);
  color: var(--bg);
  font: 800 .76rem var(--font-ui);
}
.skip-link:focus { transform: none; }

.site-nav {
  position: sticky;
  z-index: 50;
  top: 0;
  min-height: 3.55rem;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1.5rem;
  padding: .68rem max(1.2rem, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid var(--rule);
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  backdrop-filter: blur(16px);
}
.brand { border: 0; color: var(--text); font: 850 .72rem var(--font-ui); letter-spacing: .1em; }
.nav-links { display: flex; justify-content: center; gap: clamp(.45rem, 1.3vw, 1.15rem); }
.nav-links a { padding: .3rem .08rem; border-bottom: 2px solid transparent; color: var(--muted); font: 750 .66rem var(--font-ui); }
.nav-links a:hover,
.nav-links a.is-current { color: var(--text); border-bottom-color: var(--teal); }
.nav-toggle,
.theme-button { border: 1px solid var(--rule); border-radius: 999px; background: var(--surface); color: var(--text); font: 750 .7rem var(--font-ui); cursor: pointer; }
.nav-toggle { display: none; padding: .5rem .8rem; }
.theme-button { width: 2.15rem; height: 2.15rem; }
.reading-progress { position: fixed; z-index: 51; top: 3.5rem; left: 0; right: 0; height: 2px; pointer-events: none; }
.reading-progress span { display: block; width: 0; height: 100%; background: var(--teal); }

.hero {
  min-height: calc(100vh - 3.55rem);
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(19rem, .65fr);
  gap: clamp(3rem, 7vw, 8rem);
  align-items: end;
  padding: clamp(5.5rem, 11vw, 9rem) max(1.5rem, calc((100vw - var(--max)) / 2)) clamp(3.5rem, 7vw, 5.5rem);
  border-bottom: 1px solid var(--rule);
  background:
    linear-gradient(150deg, transparent 0 58%, color-mix(in srgb, var(--teal) 7%, transparent) 58% 72%, transparent 72%),
    radial-gradient(circle at 78% 8%, color-mix(in srgb, var(--gold) 14%, transparent), transparent 28%),
    var(--bg);
}
.hero__copy { max-width: 61rem; }
.eyebrow,
.kicker { margin: 0 0 1rem; color: var(--teal); font: 850 .7rem/1.35 var(--font-ui); letter-spacing: .1em; text-transform: uppercase; }
.hero h1 { margin: 0; font-size: clamp(3.3rem, 7.4vw, 7rem); line-height: .92; letter-spacing: -.065em; }
.hero h1 em { color: var(--teal); font-weight: 500; }
.hero__dek { max-width: 56rem; margin: 2rem 0 0; color: var(--text-2); font-size: clamp(1.18rem, 2vw, 1.65rem); line-height: 1.46; }
.hero__thesis { display: grid; grid-template-columns: 8.5rem 1fr; gap: 1.4rem; max-width: 58rem; margin-top: 2.7rem; padding: 1.3rem 0; border-block: 1px solid var(--rule); }
.hero__thesis span { color: var(--teal); font: 850 .68rem var(--font-ui); letter-spacing: .08em; text-transform: uppercase; }
.hero__thesis p { margin: 0; font-size: 1.08rem; line-height: 1.52; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.7rem; }
.button { display: inline-flex; justify-content: center; padding: .72rem 1rem; border: 1px solid var(--rule-strong); border-radius: 999px; color: var(--text); font: 800 .74rem var(--font-ui); }
.button--primary { border-color: var(--teal); background: var(--teal); color: white; }
.button:hover { border-color: var(--teal); }
.hero__map { align-self: center; padding: 1.25rem; border: 1px solid var(--rule); background: color-mix(in srgb, var(--surface) 90%, transparent); box-shadow: 1rem 1rem 0 color-mix(in srgb, var(--teal) 8%, transparent); }
.hero__map-label { color: var(--muted); font: 800 .66rem var(--font-ui); letter-spacing: .09em; text-transform: uppercase; }
.hero__map ol { list-style: none; margin: 0; padding: 0; }
.hero__map li { position: relative; display: grid; grid-template-columns: 2.5rem 1fr; gap: .75rem; padding: 1.05rem 0; border-top: 1px solid var(--rule); }
.hero__map li:not(:last-child)::after { content: "↓"; position: absolute; left: .65rem; bottom: -.55rem; z-index: 2; color: var(--teal); font: 800 .75rem var(--font-ui); }
.hero__map li > span { color: var(--teal); font: 850 .68rem var(--font-numeric); }
.hero__map b,
.hero__map small { display: block; }
.hero__map b { font: 800 .82rem var(--font-ui); }
.hero__map small { margin-top: .25rem; color: var(--muted); font-size: .74rem; line-height: 1.42; }

.section { max-width: var(--max); margin: 0 auto; padding: clamp(5rem, 8vw, 7.5rem) clamp(1.4rem, 4vw, 3rem); }
.section--readout,
.section--audiences,
.section--language,
.section--rollout,
.section--ownership,
.section--method { max-width: none; padding-left: max(1.4rem, calc((100vw - var(--max)) / 2 + 3rem)); padding-right: max(1.4rem, calc((100vw - var(--max)) / 2 + 3rem)); }
.section--readout { background: var(--surface-2); }
.section--audiences { background: var(--teal-soft); }
.section--language { background: var(--surface-2); }
.section--rollout { background: var(--navy-soft); }
.section--ownership { background: var(--gold-soft); }
.section--method { background: var(--text); color: var(--bg); }
.section--method h2,
.section--method h3 { color: var(--bg); }
.section--method .kicker { color: #65d2c9; }
.section-heading { max-width: var(--reading); margin-bottom: clamp(2.4rem, 5vw, 4rem); }
.section-heading h2 { margin: 0; font-size: clamp(2.55rem, 5.2vw, 4.85rem); line-height: 1; letter-spacing: -.052em; }
.section-heading > p { max-width: 53rem; margin: 1.2rem 0 0; color: var(--muted); font-size: 1.08rem; line-height: 1.6; }
.section-heading--split { max-width: none; display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(19rem, .8fr); gap: clamp(2.5rem, 6vw, 7rem); align-items: end; }
.section-heading--split > p { margin: 0; }

.premise-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); }
.premise-grid article { min-height: 18rem; padding: clamp(1.4rem, 3vw, 2.3rem); border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); background: var(--surface); }
.premise-grid span,
.dossier__header > span,
.language-ledger article > span,
.name-change > span,
.non-goals > span,
.anxiety-strip span { color: var(--teal); font: 850 .67rem var(--font-ui); letter-spacing: .08em; text-transform: uppercase; }
.premise-grid h3 { max-width: 28rem; margin: 4rem 0 1rem; font-size: 1.8rem; }
.premise-grid p { max-width: 36rem; margin: 0; color: var(--text-2); font-size: .98rem; }
.positioning { max-width: 68rem; margin: clamp(3rem, 7vw, 6rem) 0 0 auto; padding: 0 0 0 clamp(1.5rem, 4vw, 3rem); border-left: .35rem solid var(--teal); }
.positioning p { margin: 0; color: var(--text); font: 600 clamp(1.8rem, 4vw, 3.5rem)/1.14 var(--font-display); letter-spacing: -.035em; }
.positioning footer { margin-top: 1rem; color: var(--muted); font: 800 .7rem var(--font-ui); letter-spacing: .08em; text-transform: uppercase; }

.route-selector { display: flex; flex-wrap: wrap; gap: .55rem; margin-bottom: 1.25rem; }
.route-selector button { padding: .7rem .95rem; border: 1px solid var(--rule-strong); border-radius: 999px; background: transparent; color: var(--text); font: 800 .72rem var(--font-ui); cursor: pointer; }
.route-selector button:hover,
.route-selector button.is-active { border-color: var(--teal); background: var(--teal); color: #fff; }
.route-selector button:focus-visible { outline: 3px solid color-mix(in srgb, var(--teal) 45%, transparent); outline-offset: 2px; }
.route-reading { display: grid; grid-template-columns: minmax(18rem, .85fr) minmax(0, 1.15fr); gap: 3rem; padding: clamp(1.5rem, 4vw, 3rem); border: 1px solid var(--rule); background: var(--surface); box-shadow: .8rem .8rem 0 var(--teal-soft); }
.route-reading__identity > span { color: var(--teal); font: 850 .67rem var(--font-ui); letter-spacing: .08em; text-transform: uppercase; }
.route-reading h3 { margin: 1.2rem 0 .8rem; font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1; letter-spacing: -.04em; }
.route-reading__identity p { margin: 0; color: var(--text-2); font-size: 1.05rem; }
.route-reading dl { margin: 0; }
.route-reading dl div { display: grid; grid-template-columns: 8rem 1fr; gap: 1rem; padding: .85rem 0; border-bottom: 1px solid var(--rule); }
.route-reading dt { font: 850 .68rem var(--font-ui); letter-spacing: .06em; text-transform: uppercase; }
.route-reading dd { margin: 0; color: var(--text-2); font-size: .92rem; line-height: 1.5; }

.audience-overview { border-top: 1px solid var(--rule-strong); }
.audience-overview__head,
.audience-overview > a { display: grid; grid-template-columns: 1.1fr 1.05fr 1fr 1.1fr; gap: 1.3rem; align-items: baseline; padding: 1rem .75rem; border-bottom: 1px solid var(--rule); }
.audience-overview__head { color: var(--muted); font: 800 .66rem var(--font-ui); letter-spacing: .08em; text-transform: uppercase; }
.audience-overview > a { color: var(--text); }
.audience-overview > a:hover { border-bottom-color: var(--teal); background: color-mix(in srgb, var(--surface) 65%, transparent); }
.audience-overview h3 { margin: 0; font: 800 .88rem var(--font-ui); }
.audience-overview h3 b { display: inline-block; min-width: 2.2rem; color: var(--teal); font: 850 .66rem var(--font-numeric); }
.audience-overview p { margin: 0; color: var(--text-2); font-size: .8rem; line-height: 1.45; }
.dossiers { display: grid; gap: 1.5rem; margin-top: clamp(3rem, 7vw, 6rem); }
.dossier { scroll-margin-top: 5rem; border: 1px solid var(--rule); background: var(--surface); }
.dossier.is-emphasized { border-color: var(--teal); box-shadow: 0 0 0 3px color-mix(in srgb, var(--teal) 18%, transparent); }
.dossier__header { display: grid; grid-template-columns: 10rem minmax(17rem, .8fr) minmax(20rem, 1.2fr); gap: 2rem; align-items: start; padding: clamp(1.4rem, 3vw, 2.4rem); border-bottom: 1px solid var(--rule); }
.dossier__header h3 { margin: 0; font-size: clamp(1.8rem, 3vw, 2.8rem); line-height: 1; letter-spacing: -.035em; }
.dossier__header > p { margin: 0; color: var(--text-2); font-size: .94rem; }
.dossier__body { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.dossier__body section { padding: clamp(1.4rem, 3vw, 2.2rem); border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.dossier__body section:nth-child(2n) { border-right: 0; }
.dossier__body h4 { margin: 0 0 1rem; color: var(--teal); font: 850 .72rem var(--font-ui); letter-spacing: .07em; text-transform: uppercase; }
.dossier__body p,
.dossier__body li { color: var(--text-2); font-size: .9rem; line-height: 1.58; }
.dossier__body ul { margin: 0; padding-left: 1.15rem; }
.dossier__route { display: grid; grid-template-columns: 11rem 1fr; gap: 2rem; padding: 1.25rem clamp(1.4rem, 3vw, 2.2rem); background: var(--teal-soft); }
.dossier__route strong { font: 850 .7rem var(--font-ui); letter-spacing: .07em; text-transform: uppercase; }
.dossier__route p { margin: 0; color: var(--text-2); font-size: .85rem; }
.dossier--bi .dossier__header > span,
.dossier--bi .dossier__body h4 { color: var(--gold); }
.dossier--bi .dossier__route { background: var(--gold-soft); }
.dossier--research .dossier__header > span,
.dossier--research .dossier__body h4 { color: var(--plum); }
.dossier--research .dossier__route { background: var(--plum-soft); }
.dossier--newsroom .dossier__header > span,
.dossier--newsroom .dossier__body h4 { color: var(--coral); }
.dossier--newsroom .dossier__route { background: var(--coral-soft); }
.dossier--compact { display: grid; grid-template-columns: minmax(17rem, .75fr) minmax(0, 1.25fr); }
.dossier--compact .dossier__header { display: block; border-right: 1px solid var(--rule); border-bottom: 0; }
.dossier--compact .dossier__header h3 { margin: 1.1rem 0; }
.dossier__compact-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.dossier__compact-grid p { margin: 0; padding: 1.6rem; border-right: 1px solid var(--rule); color: var(--text-2); font-size: .86rem; }
.dossier__compact-grid p:last-child { border-right: 0; }
.dossier__compact-grid strong { display: block; margin-bottom: .7rem; color: var(--text); font: 850 .68rem var(--font-ui); letter-spacing: .07em; text-transform: uppercase; }
.amplifier-note { display: grid; grid-template-columns: minmax(19rem, .85fr) minmax(0, 1.15fr); gap: 3rem; margin-top: 2rem; padding: clamp(1.5rem, 4vw, 3rem); background: var(--text); color: var(--bg); }
.amplifier-note h3 { margin: .75rem 0 0; color: var(--bg); font-size: 2rem; }
.amplifier-note p { margin: 0; color: color-mix(in srgb, var(--bg) 82%, transparent); font-size: .96rem; }

.name-change { display: grid; grid-template-columns: 11rem 1fr; gap: 2rem; padding: 1.5rem; border-block: 1px solid var(--rule-strong); }
.name-change p { margin: 0; font-size: clamp(1.25rem, 2vw, 1.7rem); }
.name-change small { grid-column: 2; color: var(--muted); }
.product-ledger { margin-top: 3rem; border-top: 1px solid var(--rule-strong); }
.product-ledger__head,
.product-ledger article { display: grid; grid-template-columns: 1.05fr 1.1fr .85fr 1fr; gap: 1.4rem; padding: 1.1rem .75rem; border-bottom: 1px solid var(--rule); }
.product-ledger__head { color: var(--muted); font: 800 .66rem var(--font-ui); letter-spacing: .08em; text-transform: uppercase; }
.product-ledger article:hover { background: var(--teal-soft); }
.product-ledger article div > span { color: var(--teal); font: 850 .64rem var(--font-ui); letter-spacing: .07em; text-transform: uppercase; }
.product-ledger h3 { margin: .35rem 0 0; font: 800 .9rem/1.3 var(--font-ui); }
.product-ledger p { margin: 0; color: var(--text-2); font-size: .8rem; line-height: 1.5; }
.specification { display: grid; grid-template-columns: minmax(18rem, .55fr) minmax(0, 1.45fr); gap: 4rem; margin-top: clamp(4rem, 8vw, 7rem); }
.specification h3 { font-size: clamp(2rem, 3.6vw, 3.3rem); line-height: 1.03; letter-spacing: -.04em; }
.specification ol { list-style: none; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 0; padding: 0; border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); }
.specification li { display: grid; grid-template-columns: 2.2rem 1fr; gap: .8rem; padding: 1.15rem; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.specification li > span { color: var(--teal); font: 850 .66rem var(--font-numeric); }
.specification b { font: 850 .76rem var(--font-ui); }
.specification p { margin: .3rem 0 0; color: var(--muted); font-size: .78rem; line-height: 1.45; }

.language-ledger { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); }
.language-ledger article { min-height: 19rem; padding: 1.5rem; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); background: var(--surface); }
.language-ledger h3 { margin: 3.5rem 0 .8rem; font-size: 1.55rem; }
.language-ledger p { color: var(--text-2); font-size: .88rem; line-height: 1.58; }
.language-ledger small { display: block; margin-top: 1.3rem; padding-top: 1rem; border-top: 1px solid var(--rule); color: var(--muted); font-size: .73rem; line-height: 1.5; }
.language-evidence { margin-top: clamp(4rem, 8vw, 7rem); padding: clamp(1.5rem, 4vw, 3rem); border: 1px solid var(--rule-strong); background: var(--surface); box-shadow: .7rem .7rem 0 var(--teal-soft); }
.language-evidence > header { display: grid; grid-template-columns: minmax(18rem, .8fr) minmax(0, 1.2fr); gap: 3rem; align-items: end; }
.language-evidence > header h3 { margin: .5rem 0 0; font-size: clamp(2rem, 4vw, 3.5rem); }
.language-evidence > header > p:last-child { margin: 0; color: var(--text-2); }
.language-evidence__ladder { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 2.5rem; border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); }
.language-evidence__ladder article { min-height: 16rem; padding: 1.2rem; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.language-evidence__ladder span,
.language-evidence__register span { color: var(--teal); font: 850 .64rem var(--font-ui); letter-spacing: .07em; text-transform: uppercase; }
.language-evidence__ladder h4 { margin: 3rem 0 .7rem; font-size: 1.25rem; }
.language-evidence__ladder p { color: var(--text-2); font-size: .8rem; line-height: 1.5; }
.language-evidence__ladder b { display: block; margin-top: 1rem; color: var(--muted); font: 750 .68rem/1.4 var(--font-ui); }
.language-evidence__register { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 2.5rem; border-top: 1px solid var(--rule); }
.language-evidence__register article { display: grid; grid-template-columns: minmax(8rem, .35fr) minmax(10rem, .55fr) minmax(0, 1fr); gap: 1rem; padding: 1rem .5rem; border-bottom: 1px solid var(--rule); }
.language-evidence__register article:nth-child(odd) { border-right: 1px solid var(--rule); padding-right: 1.2rem; }
.language-evidence__register article:nth-child(even) { padding-left: 1.2rem; }
.language-evidence__register h4,
.language-evidence__register p,
.language-evidence__register small { margin: 0; }
.language-evidence__register h4 { font: 850 .82rem/1.4 var(--font-ui); }
.language-evidence__register p { color: var(--text-2); font-size: .76rem; line-height: 1.5; }
.language-evidence__register small { color: var(--muted); font-size: .67rem; line-height: 1.45; }
.language-evidence > footer { display: grid; grid-template-columns: 8rem minmax(0, 1fr); gap: 1rem; margin-top: 2rem; padding-top: 1rem; border-top: 2px solid var(--teal); }
.language-evidence > footer strong { color: var(--teal); font: 850 .68rem var(--font-ui); letter-spacing: .07em; text-transform: uppercase; }
.language-evidence > footer p { margin: 0; color: var(--text-2); font-size: .82rem; }
.anxiety-strip { display: grid; grid-template-columns: minmax(19rem, 1fr) minmax(0, 1fr); gap: 4rem; margin-top: 2rem; padding: 2rem; border-left: .4rem solid var(--coral); background: var(--coral-soft); }
.anxiety-strip h3 { margin: .7rem 0 0; font-size: clamp(1.5rem, 3vw, 2.5rem); }
.anxiety-strip p { margin: 0; color: var(--text-2); font-size: .92rem; }
.question-bank { display: grid; grid-template-columns: minmax(19rem, .75fr) minmax(0, 1.25fr); gap: 4rem; margin-top: clamp(4rem, 8vw, 7rem); }
.question-bank h3 { font-size: 2.2rem; }
.question-bank header > p:last-child { color: var(--muted); font-size: .9rem; }
.question-bank ol { margin: 0; padding: 0; list-style: none; counter-reset: questions; border-top: 1px solid var(--rule); }
.question-bank li { counter-increment: questions; display: grid; grid-template-columns: 2.5rem 1fr; gap: 1rem; padding: 1rem .5rem; border-bottom: 1px solid var(--rule); font-size: .92rem; }
.question-bank li::before { content: counter(questions, decimal-leading-zero); color: var(--teal); font: 850 .68rem var(--font-numeric); }

.package-map { position: relative; }
.package-map__hub { max-width: 42rem; margin: 0 auto 4rem; padding: 2rem; border: 2px solid var(--teal); background: var(--teal-soft); text-align: center; }
.package-map__hub::after { content: ""; position: absolute; top: 9.5rem; left: 50%; height: 4rem; border-left: 1px solid var(--rule-strong); }
.package-map__hub > span,
.package-map__routes article > span { color: var(--teal); font: 850 .66rem var(--font-ui); letter-spacing: .08em; text-transform: uppercase; }
.package-map__hub h3 { margin: .7rem 0; font-size: 2rem; }
.package-map__hub p { margin: 0; color: var(--muted); font-size: .88rem; }
.package-map__routes { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); }
.package-map__routes article { min-height: 14rem; padding: 1.4rem; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); background: var(--surface); }
.package-map__routes h3 { margin: 3rem 0 .7rem; font-size: 1.35rem; }
.package-map__routes p { margin: 0; color: var(--muted); font-size: .82rem; }
.route-contract { display: grid; grid-template-columns: minmax(19rem, .6fr) minmax(0, 1.4fr); gap: 4rem; margin-top: clamp(4rem, 8vw, 7rem); }
.route-contract h3 { font-size: clamp(2rem, 3.6vw, 3.3rem); }
.route-contract > div { border-top: 1px solid var(--rule-strong); }
.route-contract > div p { display: grid; grid-template-columns: 9rem 1fr; gap: 1rem; margin: 0; padding: .85rem .5rem; border-bottom: 1px solid var(--rule); }
.route-contract b { font: 850 .72rem var(--font-ui); text-transform: uppercase; }
.route-contract span { color: var(--muted); font-size: .84rem; }
.visibility-guidance { display: grid; grid-template-columns: minmax(19rem, .7fr) minmax(0, 1.3fr); gap: 4rem; margin-top: clamp(4rem, 8vw, 7rem); padding-top: 3rem; border-top: 1px solid var(--rule-strong); }
.visibility-guidance h3 { font-size: clamp(2rem, 3.6vw, 3.3rem); }
.visibility-guidance > div:last-child p,
.visibility-guidance li { color: var(--text-2); font-size: .9rem; }
.visibility-guidance a { font: 800 .78rem var(--font-ui); }

.phase-timeline { border-top: 1px solid var(--rule-strong); }
.phase-timeline > article { display: grid; grid-template-columns: 9rem minmax(0, 1fr); border-bottom: 1px solid var(--rule); }
.phase-timeline__number { padding: 1.5rem; border-right: 1px solid var(--rule); }
.phase-timeline__number span,
.phase-timeline__number b { display: block; }
.phase-timeline__number span { color: var(--muted); font: 850 .64rem var(--font-ui); letter-spacing: .08em; text-transform: uppercase; }
.phase-timeline__number b { margin-top: .4rem; color: var(--teal); font: 500 5rem/1 var(--font-display); }
.phase-timeline__copy { display: grid; grid-template-columns: minmax(15rem, .7fr) minmax(17rem, 1fr); gap: 1.5rem 3rem; padding: 1.5rem 2rem 2rem; }
.phase-timeline__copy > span { grid-column: 1 / -1; color: var(--teal); font: 850 .66rem var(--font-ui); letter-spacing: .08em; text-transform: uppercase; }
.phase-timeline__copy h3 { margin: 0; font-size: clamp(1.8rem, 3vw, 2.8rem); }
.phase-timeline__copy > p { margin: 0; color: var(--text-2); font-size: .92rem; }
.phase-timeline__copy ul,
.phase-timeline__copy ol { grid-column: 2; margin: 0; padding-left: 1.15rem; }
.phase-timeline__copy li { color: var(--text-2); font-size: .84rem; line-height: 1.5; }
.phase-timeline__copy footer { grid-column: 1 / -1; display: grid; grid-template-columns: 7rem 1fr; gap: 1rem; margin-top: .5rem; padding-top: 1rem; border-top: 1px solid var(--rule); color: var(--muted); font-size: .78rem; }
.phase-timeline__copy footer strong { color: var(--text); font: 850 .68rem var(--font-ui); letter-spacing: .06em; text-transform: uppercase; }
.channel-map { margin-top: clamp(4rem, 8vw, 7rem); }
.channel-map > header { max-width: 46rem; }
.channel-map > header h3 { font-size: clamp(2rem, 3.6vw, 3.3rem); }
.channel-table { margin-top: 2rem; border-top: 1px solid var(--rule-strong); }
.channel-table__head,
.channel-table article { display: grid; grid-template-columns: .75fr 1.15fr 1.15fr 1fr; gap: 1.4rem; padding: 1rem .65rem; border-bottom: 1px solid var(--rule); }
.channel-table__head { color: var(--muted); font: 800 .66rem var(--font-ui); letter-spacing: .08em; text-transform: uppercase; }
.channel-table h4 { margin: 0; font: 850 .85rem var(--font-ui); }
.channel-table p { margin: 0; color: var(--text-2); font-size: .78rem; line-height: 1.45; }

.evidence-funnel { max-width: 70rem; margin: 0 auto; }
.evidence-funnel article { display: grid; grid-template-columns: 3rem minmax(0, 1fr) minmax(12rem, .42fr); gap: 1.2rem; align-items: center; width: calc(100% - var(--inset, 0rem)); margin: 0 auto; padding: 1rem 1.2rem; border: 1px solid var(--rule); border-bottom: 0; background: var(--surface); }
.evidence-funnel article:last-child { border-bottom: 1px solid var(--rule); }
.evidence-funnel article:nth-child(1) { --inset: 0rem; }
.evidence-funnel article:nth-child(2) { --inset: 3rem; }
.evidence-funnel article:nth-child(3) { --inset: 6rem; }
.evidence-funnel article:nth-child(4) { --inset: 9rem; }
.evidence-funnel article:nth-child(5) { --inset: 12rem; }
.evidence-funnel article:nth-child(6) { --inset: 15rem; background: var(--teal-soft); border-color: color-mix(in srgb, var(--teal) 45%, var(--rule)); }
.evidence-funnel article > span { color: var(--teal); font: 850 .66rem var(--font-numeric); }
.evidence-funnel h3 { display: inline; margin: 0; font: 850 .88rem var(--font-ui); }
.evidence-funnel p { display: inline; margin: 0 0 0 .7rem; color: var(--text-2); font-size: .82rem; }
.evidence-funnel small { display: block; margin-top: .2rem; color: var(--muted); font-size: .68rem; }
.evidence-funnel article > b { color: var(--muted); font: 750 .68rem/1.4 var(--font-ui); text-align: right; }
.targets-and-risks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: clamp(4rem, 8vw, 7rem); border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); }
.targets-and-risks > section { padding: clamp(1.5rem, 4vw, 3rem); border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.targets-and-risks h3 { font-size: 2rem; }
.targets li { margin-bottom: .7rem; color: var(--text-2); font-size: .9rem; }
.risks dl { margin: 0; }
.risks dl div { display: grid; grid-template-columns: 1fr 1.2fr; gap: 1rem; padding: .8rem 0; border-bottom: 1px solid var(--rule); }
.risks dt { font: 800 .76rem/1.4 var(--font-ui); }
.risks dd { margin: 0; color: var(--muted); font-size: .76rem; line-height: 1.45; }

.ownership-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--rule); border-left: 1px solid var(--rule); }
.ownership-grid article { min-height: 17rem; padding: 1.5rem; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); background: var(--surface); }
.ownership-grid span { color: var(--gold); font: 850 .66rem var(--font-ui); letter-spacing: .08em; text-transform: uppercase; }
.ownership-grid h3 { margin: 3rem 0 .8rem; font-size: 1.5rem; }
.ownership-grid p { color: var(--text-2); font-size: .84rem; line-height: 1.55; }
.non-goals { margin-top: 2rem; padding: 1.5rem 2rem; border-left: .4rem solid var(--coral); background: var(--surface); }
.non-goals p { margin: .6rem 0 0; font-size: .92rem; }

.method-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid color-mix(in srgb, var(--bg) 26%, transparent); border-left: 1px solid color-mix(in srgb, var(--bg) 26%, transparent); }
.method-grid article { padding: 1.5rem; border-right: 1px solid color-mix(in srgb, var(--bg) 26%, transparent); border-bottom: 1px solid color-mix(in srgb, var(--bg) 26%, transparent); }
.method-grid h3 { margin-top: 2.5rem; }
.method-grid p { color: color-mix(in srgb, var(--bg) 78%, transparent); font-size: .86rem; }
.sources { margin-top: 4rem; padding-top: 2rem; border-top: 1px solid color-mix(in srgb, var(--bg) 26%, transparent); }
.sources ul { columns: 2; gap: 4rem; padding-left: 1.1rem; }
.sources li { break-inside: avoid; margin-bottom: .6rem; color: color-mix(in srgb, var(--bg) 75%, transparent); font-size: .78rem; }
.sources a { color: #7ee5dc; }
.artifact-status { display: grid; grid-template-columns: 1.3fr .7fr; gap: 3rem; margin-top: 4rem; padding-top: 1.5rem; border-top: 1px solid color-mix(in srgb, var(--bg) 26%, transparent); }
.artifact-status p { margin: 0; color: color-mix(in srgb, var(--bg) 74%, transparent); font: .76rem/1.55 var(--font-ui); }
.artifact-status code { color: var(--bg); background: transparent; border-color: color-mix(in srgb, var(--bg) 30%, transparent); }

@media (max-width: 1100px) {
  .nav-links { gap: .55rem; }
  .hero { grid-template-columns: 1fr; }
  .hero__map { max-width: 40rem; }
  .dossier__header { grid-template-columns: 8rem 1fr; }
  .dossier__header > p { grid-column: 2; }
  .dossier--compact { grid-template-columns: 1fr; }
  .dossier--compact .dossier__header { border-right: 0; border-bottom: 1px solid var(--rule); }
  .product-ledger__head,
  .product-ledger article { grid-template-columns: .9fr 1.1fr .8fr .9fr; }
  .language-evidence__register { grid-template-columns: 1fr; }
  .language-evidence__register article:nth-child(odd),
  .language-evidence__register article:nth-child(even) { padding: 1rem .5rem; border-right: 0; }
}

@media (max-width: 820px) {
  .site-nav { grid-template-columns: auto auto 1fr; }
  .brand { order: 1; }
  .nav-toggle { display: inline-block; order: 2; }
  .theme-button { justify-self: end; order: 3; }
  .nav-links { position: absolute; top: 100%; left: 0; right: 0; display: none; flex-direction: column; gap: 0; padding: .5rem 1.2rem 1rem; border-bottom: 1px solid var(--rule); background: var(--bg); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: .65rem 0; }
  .section-heading--split,
  .route-reading,
  .specification,
  .question-bank,
  .route-contract,
  .visibility-guidance,
  .amplifier-note,
  .anxiety-strip { grid-template-columns: 1fr; gap: 2rem; }
  .premise-grid,
  .dossier__body,
  .language-ledger,
  .language-evidence__ladder,
  .language-evidence__register,
  .package-map__routes,
  .targets-and-risks,
  .ownership-grid,
  .method-grid { grid-template-columns: 1fr; }
  .audience-overview__head,
  .product-ledger__head,
  .channel-table__head { display: none; }
  .audience-overview > a,
  .product-ledger article,
  .channel-table article { grid-template-columns: 1fr; gap: .65rem; padding: 1.25rem .65rem; }
  .audience-overview p::before,
  .product-ledger p::before,
  .channel-table p::before { content: attr(data-label); display: block; margin-bottom: .15rem; color: var(--muted); font: 800 .6rem var(--font-ui); letter-spacing: .06em; text-transform: uppercase; }
  .dossier__header { grid-template-columns: 1fr; gap: 1rem; }
  .dossier__header > p { grid-column: auto; }
  .dossier__body section,
  .dossier__body section:nth-child(2n) { border-right: 0; }
  .dossier__route { grid-template-columns: 1fr; gap: .6rem; }
  .dossier__compact-grid { grid-template-columns: 1fr; }
  .dossier__compact-grid p { border-right: 0; border-bottom: 1px solid var(--rule); }
  .dossier__compact-grid p:last-child { border-bottom: 0; }
  .specification ol { grid-template-columns: 1fr; }
  .name-change { grid-template-columns: 1fr; gap: .7rem; }
  .name-change small { grid-column: auto; }
  .phase-timeline > article { grid-template-columns: 5rem 1fr; }
  .phase-timeline__number { padding: 1rem; }
  .phase-timeline__number b { font-size: 3.5rem; }
  .phase-timeline__copy { grid-template-columns: 1fr; padding: 1.25rem; }
  .phase-timeline__copy > span,
  .phase-timeline__copy ul,
  .phase-timeline__copy ol,
  .phase-timeline__copy footer { grid-column: auto; }
  .evidence-funnel article { width: 100%; grid-template-columns: 2.5rem 1fr; }
  .evidence-funnel article > b { grid-column: 2; text-align: left; }
  .sources ul { columns: 1; }
  .artifact-status { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .hero { min-height: auto; padding-top: 5rem; }
  .hero h1 { font-size: clamp(3rem, 15vw, 4.3rem); }
  .hero__thesis { grid-template-columns: 1fr; gap: .7rem; }
  .hero__actions { flex-direction: column; }
  .section,
  .section--readout,
  .section--audiences,
  .section--language,
  .section--rollout,
  .section--ownership,
  .section--method { padding-left: 1.1rem; padding-right: 1.1rem; }
  .premise-grid article { min-height: 15rem; }
  .route-reading { padding: 1.2rem; box-shadow: .45rem .45rem 0 var(--teal-soft); }
  .route-reading dl div { grid-template-columns: 1fr; gap: .3rem; }
  .language-evidence { padding: 1.2rem; box-shadow: .45rem .45rem 0 var(--teal-soft); }
  .language-evidence > header,
  .language-evidence__register article,
  .language-evidence > footer { grid-template-columns: 1fr; gap: .5rem; }
  .language-evidence__register article:nth-child(odd),
  .language-evidence__register article:nth-child(even) { padding: 1rem .5rem; border-right: 0; }
  .language-ledger article,
  .ownership-grid article { min-height: 15rem; }
  .route-contract > div p { grid-template-columns: 1fr; gap: .3rem; }
  .phase-timeline > article { grid-template-columns: 1fr; }
  .phase-timeline__number { display: flex; align-items: baseline; gap: .5rem; border-right: 0; border-bottom: 1px solid var(--rule); }
  .phase-timeline__number b { margin: 0; font-size: 2.2rem; }
  .risks dl div { grid-template-columns: 1fr; gap: .3rem; }
}

@media print {
  .site-nav,
  .reading-progress,
  .hero__actions,
  .route-selector { display: none !important; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding: 3rem 0; }
  .section,
  .section--readout,
  .section--audiences,
  .section--language,
  .section--rollout,
  .section--ownership,
  .section--method { padding: 2rem 0; background: white; color: #111; }
  .section--method h2,
  .section--method h3 { color: #111; }
  .dossier,
  .phase-timeline > article,
  .product-ledger article { break-inside: avoid; }
}