:root {
  color-scheme: dark;
  --midnight: #070f1e;
  --navy: #0f1c36;
  --navy-raised: #162747;
  --navy-soft: #1e305b;
  --blue: #5086cc;
  --blue-bright: #79c8ef;
  --gold: #eab06d;
  --gold-soft: #fae2aa;
  --cream: #f7f4ed;
  --cream-soft: #d7dfea;
  --muted: #aebbd0;
  --line: rgba(174, 187, 208, .18);
  --line-strong: rgba(121, 200, 239, .34);
  --radius: 1rem;
  --shadow: 0 28px 80px rgba(0, 0, 0, .32);
  --wrap: min(1340px, calc(100% - 2.5rem));
  --measure: 68ch;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--midnight); }
body {
  margin: 0;
  overflow-x: clip;
  background: var(--midnight);
  color: var(--cream);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.58;
}
img, video, picture { display: block; max-width: 100%; }
img, video { height: auto; }
figure { margin: 0; }
a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .2em; }
a:hover { color: var(--gold-soft); }
button, input, select, textarea { font: inherit; }
label { display: block; margin: .85rem 0 .3rem; font-weight: 800; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: .55rem;
  padding: .7rem .8rem;
  background: rgba(255, 255, 255, .06);
  color: inherit;
}
select option { color: var(--midnight); }
textarea { resize: vertical; }
:focus-visible { outline: 3px solid var(--blue-bright); outline-offset: 4px; border-radius: .25rem; }
.skip-link {
  position: fixed;
  z-index: 100;
  top: .5rem;
  left: .5rem;
  padding: .65rem 1rem;
  background: var(--cream);
  color: var(--midnight);
  transform: translateY(-180%);
}
.skip-link:focus { transform: none; }
.wrap { width: var(--wrap); margin-inline: auto; }
.measure { max-width: var(--measure); }

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid rgba(234, 176, 109, .2);
  background: rgba(7, 15, 30, .94);
  backdrop-filter: blur(18px);
}
.nav-shell { min-height: 4.35rem; display: flex; align-items: center; gap: 1.25rem; }
.brand {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  color: var(--cream);
  font-weight: 850;
  letter-spacing: .07em;
  text-decoration: none;
  white-space: nowrap;
}
.brand:hover { color: var(--gold-soft); }
.brand-mark {
  width: 1.85rem;
  height: 1.85rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--gold);
  border-radius: 50%;
  color: var(--gold-soft);
  box-shadow: 0 0 24px rgba(80, 134, 204, .32);
}
.brand span span { color: var(--gold-soft); }
.nav-toggle {
  display: none;
  margin-left: auto;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: transparent;
  color: var(--cream);
  padding: .55rem .8rem;
}
.primary-nav { margin-left: auto; display: flex; align-items: center; gap: .1rem; }
.primary-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: .5rem .58rem;
  border-radius: 999px;
  color: var(--cream-soft);
  font-size: .8rem;
  font-weight: 750;
  text-decoration: none;
  white-space: nowrap;
}
.primary-nav a:hover, .primary-nav a[aria-current="page"] { background: rgba(247, 244, 237, .09); color: var(--cream); }
.primary-nav .parent-link { margin-left: .25rem; border-left: 1px solid var(--line); border-radius: 0; color: var(--gold-soft); }

.hero {
  position: relative;
  overflow: clip;
  background:
    radial-gradient(circle at 82% 28%, rgba(80, 134, 204, .18), transparent 34rem),
    linear-gradient(180deg, #07111f 0%, var(--midnight) 100%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(121, 200, 239, .45), transparent);
}
.hero-grid {
  position: relative;
  min-height: 39rem;
  display: grid;
  grid-template-columns: minmax(19rem, .7fr) minmax(0, 1.3fr);
  align-items: center;
  gap: clamp(2rem, 4vw, 4.5rem);
  padding-block: clamp(3.5rem, 7vw, 6.5rem);
}
.hero-copy { max-width: 35rem; }
.eyebrow {
  margin: 0 0 .75rem;
  color: var(--gold);
  font-size: .73rem;
  font-weight: 850;
  letter-spacing: .18em;
  text-transform: uppercase;
}
h1, h2, h3 { margin: 0; color: inherit; font-family: Georgia, "Times New Roman", serif; line-height: 1.08; text-wrap: balance; }
h1 { max-width: 13ch; font-size: clamp(2.8rem, 4.7vw, 4.65rem); letter-spacing: -.04em; }
h2 { font-size: clamp(2rem, 3.1vw, 3.25rem); letter-spacing: -.03em; }
h3 { font-size: clamp(1.15rem, 1.7vw, 1.5rem); }
.lead { max-width: var(--measure); margin: 1.2rem 0 0; color: var(--cream-soft); font-size: clamp(1rem, 1.35vw, 1.2rem); }
.alpha-note { max-width: 52rem; margin: 1rem 0 0; border-left: 2px solid var(--gold); padding-left: .9rem; color: var(--muted); font-size: .86rem; }
.button-row { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.45rem; }
.btn {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: .65rem 1rem;
  background: transparent;
  color: var(--cream);
  font-weight: 800;
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); color: var(--cream); border-color: var(--gold); }
.btn.primary { border-color: var(--gold); background: var(--gold); color: var(--midnight); }
.btn.primary:hover { color: var(--midnight); background: var(--gold-soft); }

.media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: #07111f;
  box-shadow: var(--shadow);
}
.media-frame picture, .media-frame img, .media-frame video { width: 100%; }
.media-caption {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .72rem .9rem;
  border-top: 1px solid var(--line);
  background: rgba(7, 15, 30, .96);
  color: var(--muted);
  font-size: .75rem;
}
.media-caption strong { color: var(--gold-soft); }
.product-shot { width: 100%; aspect-ratio: 16/9; object-fit: cover; object-position: center top; }
.product-shot.detail { aspect-ratio: auto; }
.hero .media-frame { width: 100%; }

.abriella-hero .hero-grid {
  min-height: 42rem;
  grid-template-columns: minmax(20rem, .92fr) minmax(20rem, 1.08fr);
  gap: clamp(4rem, 7vw, 7.5rem);
}
.abriella-hero .hero-copy { max-width: 37rem; }
.abriella-hero h1 { max-width: 12ch; font-size: clamp(2.9rem, 4.2vw, 4.2rem); }
.abriella-identity {
  position: relative;
  min-height: 39rem;
  display: grid;
  place-items: end center;
  isolation: isolate;
}
.abriella-identity::before {
  position: absolute;
  z-index: -1;
  width: min(31rem, 92%);
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(80, 134, 204, .26), rgba(80, 134, 204, .08) 46%, transparent 72%);
  content: "";
  filter: blur(6px);
}
.abriella-identity .identity-art {
  width: min(27rem, 88%);
  max-height: 39rem;
  object-fit: contain;
  object-position: center bottom;
  filter: drop-shadow(0 28px 42px rgba(0, 0, 0, .45));
}

.platform-hero {
  background:
    radial-gradient(circle at 74% 42%, rgba(80, 134, 204, .24), transparent 36rem),
    linear-gradient(180deg, #07111f 0%, var(--midnight) 100%);
}
.platform-hero-layout {
  position: relative;
  min-height: 41rem;
  display: grid;
  grid-template-columns: minmax(19rem, .58fr) minmax(0, 1.42fr);
  gap: clamp(2rem, 4vw, 4.5rem);
  align-items: center;
  padding-block: clamp(3.25rem, 6vw, 5.5rem);
}
.platform-hero h1 { max-width: 10ch; }
.platform-stage { box-shadow: 0 32px 100px rgba(0, 0, 0, .48), 0 0 70px rgba(80, 134, 204, .1); }

.capabilities-hero .hero-grid {
  min-height: 30rem;
  grid-template-columns: minmax(19rem, .78fr) minmax(0, 1.22fr);
  padding-block: clamp(2.4rem, 4vw, 3.5rem);
}
.capabilities-hero h1 { font-size: clamp(2.8rem, 4.2vw, 4.15rem); }
.capabilities-hero .lead { margin-top: .9rem; }
.capabilities-hero .alpha-note { margin-top: .75rem; }
.capabilities-hero .button-row { margin-top: 1rem; }
#capability-browser { padding-top: clamp(2.35rem, 4vw, 3.5rem); }

.workflow-hero {
  background:
    radial-gradient(circle at 70% 32%, rgba(234, 176, 109, .1), transparent 27rem),
    radial-gradient(circle at 88% 36%, rgba(80, 134, 204, .19), transparent 34rem),
    linear-gradient(180deg, #07111f 0%, var(--midnight) 100%);
}
.workflow-hero .hero-grid { min-height: 38rem; }
.hero-chapter-rail {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-top: 1.35rem;
  border-block: 1px solid var(--line);
}
.hero-chapter-rail span { padding: .65rem .35rem .65rem 0; color: var(--cream-soft); font-size: .72rem; font-weight: 800; }
.hero-chapter-rail b { display: block; color: var(--gold); font-size: .62rem; letter-spacing: .12em; }

.journal-hero {
  background:
    radial-gradient(circle at 22% 18%, rgba(234, 176, 109, .08), transparent 26rem),
    radial-gradient(circle at 83% 32%, rgba(80, 134, 204, .18), transparent 31rem),
    linear-gradient(180deg, #081426 0%, var(--midnight) 100%);
}
.journal-hero .hero-grid {
  min-height: 34rem;
  grid-template-columns: minmax(19rem, .82fr) minmax(0, 1.18fr);
  padding-block: clamp(3rem, 5vw, 4.25rem);
}
.journal-hero h1 { max-width: 12ch; font-size: clamp(2.8rem, 4.25vw, 4.2rem); }
.journal-hero .media-frame { transform: translateY(.8rem); }
.journal-kicker-list {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem 1.1rem;
  margin-top: 1.25rem;
  color: var(--gold-soft);
  font-size: .76rem;
  font-weight: 850;
  letter-spacing: .04em;
}
.journal-kicker-list span + span::before { content: "•"; margin-right: 1.1rem; color: var(--blue-bright); }

.alpha-hero {
  background:
    radial-gradient(circle at 76% 24%, rgba(121, 200, 239, .2), transparent 32rem),
    linear-gradient(180deg, #071426 0%, var(--midnight) 100%);
}
.alpha-hero .hero-grid { min-height: 36rem; }
.alpha-hero h1 { max-width: 13ch; font-size: clamp(2.75rem, 4.25vw, 4.2rem); }
.hero-status-line { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.25rem; }
.hero-status-line span {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: .35rem .62rem;
  background: rgba(121, 200, 239, .05);
  color: var(--cream-soft);
  font-size: .7rem;
  font-weight: 800;
}

.section { position: relative; padding-block: clamp(3rem, 5vw, 4.5rem); background: var(--midnight); }
.section.tonal, .section.dark { background: var(--navy); }
.section.raised { background: linear-gradient(180deg, var(--navy) 0%, #0b172b 100%); }
.section.compact { padding-block: clamp(2.4rem, 4vw, 3.75rem); }
.section + .section { border-top: 1px solid rgba(174, 187, 208, .08); }
.section-head {
  display: grid;
  grid-template-columns: minmax(0, .68fr) minmax(18rem, .32fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: clamp(1.5rem, 3vw, 2.6rem);
}
.section-head p:last-child { margin: 0; color: var(--muted); }
.section-copy { max-width: var(--measure); color: var(--muted); }
.split, .visual-copy {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(18rem, .75fr);
  gap: clamp(2rem, 4vw, 4.5rem);
  align-items: center;
}
.split.copy-first { grid-template-columns: minmax(18rem, .75fr) minmax(0, 1.65fr); }
.prose p { max-width: var(--measure); color: var(--muted); font-size: 1rem; }
.prose ul { color: var(--muted); }

.identity-stage {
  position: relative;
  min-height: 36rem;
  display: grid;
  grid-template-columns: minmax(13rem, .38fr) minmax(0, 1.62fr);
  gap: 1.2rem;
  align-items: end;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 1rem;
  background: radial-gradient(circle at 16% 34%, rgba(80, 134, 204, .35), transparent 28rem), #07111f;
}
.identity-stage .identity-art { width: 100%; max-height: 32rem; object-fit: contain; object-position: bottom; }
.identity-stage .interface-proof { width: 100%; border: 1px solid var(--line-strong); border-radius: .8rem; box-shadow: 0 24px 60px rgba(0, 0, 0, .45); }
.identity-badge {
  position: absolute;
  z-index: 2;
  top: .8rem;
  left: .8rem;
  padding: .4rem .6rem;
  border-radius: 999px;
  background: rgba(7, 15, 30, .88);
  color: var(--cream-soft);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.video-shell { overflow: hidden; border: 1px solid var(--line-strong); border-radius: var(--radius); background: #000; box-shadow: var(--shadow); }
.video-shell video { width: 100%; aspect-ratio: 16/9; background: #06111b; }
.video-note { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; padding: .72rem .9rem; background: var(--midnight); color: var(--muted); font-size: .8rem; }
.video-note a { color: var(--gold-soft); }
.demo-layout { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(18rem, .45fr); gap: 2rem; align-items: center; }

.tab-list, .category-tabs {
  display: flex;
  gap: .45rem;
  overflow-x: auto;
  padding: .2rem .1rem .7rem;
  scrollbar-color: var(--gold) transparent;
}
.tab-button {
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .55rem .85rem;
  background: rgba(255, 255, 255, .025);
  color: var(--cream-soft);
  font-weight: 800;
  cursor: pointer;
}
.tab-button:hover { border-color: var(--blue-bright); color: var(--cream); }
.tab-button[aria-selected="true"] { border-color: var(--gold); background: rgba(234, 176, 109, .12); color: var(--gold-soft); }
[role="tabpanel"][hidden] { display: none !important; }
.tab-panels { margin-top: 1.1rem; }
.product-chapter { padding-top: .4rem; }
.chapter-layout { display: grid; grid-template-columns: minmax(0, 1.72fr) minmax(18rem, .58fr); gap: clamp(1.6rem, 3.5vw, 3.5rem); align-items: center; }
.chapter-layout.media-free { max-width: 54rem; grid-template-columns: 1fr; align-items: start; }
.chapter-copy p { color: var(--muted); }
.chapter-copy .number { color: var(--gold); font-size: .72rem; font-weight: 900; letter-spacing: .14em; }
.supporting-proof { margin-top: 1rem; display: grid; grid-template-columns: 7rem 1fr; gap: .9rem; align-items: center; }
.supporting-proof img { width: 7rem; max-height: 8rem; object-fit: cover; object-position: top; border: 1px solid var(--line-strong); border-radius: .5rem; }
.supporting-proof p { margin: 0; color: var(--muted); font-size: .84rem; }
.js-enhanced .tab-set .product-chapter:not([data-active="true"]) { display: none; }

.comparison-strip { display: grid; grid-template-columns: 1fr auto 1fr; gap: 1.5rem; align-items: stretch; margin-top: 2rem; }
.comparison-column { border-top: 2px solid var(--blue); padding-top: 1rem; }
.comparison-column:last-child { border-color: var(--gold); }
.comparison-column p { color: var(--muted); }
.comparison-vs { align-self: center; color: var(--gold); font-size: .72rem; font-weight: 900; letter-spacing: .12em; }

.workflow {
  display: grid;
  grid-template-columns: repeat(6, minmax(9rem, 1fr));
  gap: 0;
  overflow-x: auto;
  border-block: 1px solid var(--line);
  scrollbar-color: var(--gold) transparent;
}
.workflow-step { min-height: 8.5rem; padding: 1rem; border-right: 1px solid var(--line); background: transparent; }
.workflow-step:last-child { border-right: 0; }
.workflow-step b { display: block; margin-bottom: 1rem; color: var(--gold); font-size: .72rem; letter-spacing: .1em; }
.workflow-step p { margin: .45rem 0 0; color: var(--muted); font-size: .82rem; }

.status-list { border-top: 1px solid var(--line); }
.status-row {
  display: grid;
  grid-template-columns: minmax(12rem, .8fr) minmax(10rem, .45fr) minmax(16rem, 1.4fr);
  gap: 1rem;
  align-items: start;
  padding: .95rem 0;
  border-bottom: 1px solid var(--line);
}
.status-row p { margin: 0; color: var(--muted); }
.status-badge {
  display: inline-flex;
  width: max-content;
  border: 1px solid currentColor;
  border-radius: 999px;
  padding: .25rem .5rem;
  color: #8fd7b2;
  font-size: .68rem;
  font-weight: 850;
  letter-spacing: .03em;
}
.status-badge.requirements { color: var(--gold-soft); }
.status-badge.development { color: #d8a9e6; }
.status-badge.unavailable { color: #ee9f9f; }

.capability-browser { display: grid; grid-template-columns: 15rem minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 4rem); align-items: start; }
.capability-browser .category-tabs { position: sticky; top: 5.25rem; flex-direction: column; overflow: visible; }
.capability-browser .tab-button { width: 100%; text-align: left; white-space: normal; }
.capability-group h2 { margin-bottom: 1rem; font-size: clamp(1.8rem, 2.6vw, 2.8rem); }
.capability-rows { border-top: 1px solid var(--line); }
.cap-row {
  display: grid;
  grid-template-columns: minmax(13rem, .72fr) minmax(16rem, 1.28fr);
  gap: 1.5rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}
.cap-row p { margin: .45rem 0 0; color: var(--muted); }
.cap-row details { margin-top: .65rem; }
.cap-row summary, .journal-record summary, .stage-detail summary, .reference-disclosure summary { cursor: pointer; color: var(--cream-soft); font-weight: 800; }
.cap-meta { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-top: .55rem; }
.evidence-date { color: var(--muted); font-size: .74rem; }

.stage-list { margin-top: 1rem; border-top: 1px solid var(--line); }
.stage-detail { border-bottom: 1px solid var(--line); padding: .8rem 0; }
.stage-detail summary { display: grid; grid-template-columns: 2.3rem 1fr auto; gap: .75rem; align-items: center; }
.stage-detail summary::marker { color: var(--gold); }
.stage-number { width: 2.15rem; height: 2.15rem; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--gold-soft); font-weight: 900; }
.stage-authority { color: var(--gold-soft); font-size: .72rem; }
.stage-body { padding: .7rem 0 0 3.05rem; color: var(--muted); }
.stage-body p { margin: .35rem 0; }
.reference-disclosure { margin-top: 1.5rem; border-block: 1px solid var(--line); padding: 1rem 0; }
.reference-grid { margin-top: 1rem; }
.reference-row { display: grid; grid-template-columns: 2.5rem minmax(10rem, .5fr) minmax(0, 1.5fr); gap: 1rem; padding: .75rem 0; border-top: 1px solid var(--line); color: var(--muted); }

.journal-home { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.journal-teaser { padding: 1rem 1rem 1rem 0; border-bottom: 1px solid var(--line); }
.journal-teaser + .journal-teaser { padding-left: 1rem; border-left: 1px solid var(--line); }
.journal-teaser time, .journal-feature time, .journal-record time { color: var(--gold); font-size: .76rem; font-weight: 850; }
.journal-teaser p, .journal-feature p, .journal-record p { color: var(--muted); }
.journal-layout { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(2rem, 4vw, 4rem); align-items: start; }
.journal-feature { border-top: 2px solid var(--gold); padding-top: 1rem; }
.journal-archive { border-top: 1px solid var(--line); }
.journal-record { padding: .85rem 0; border-bottom: 1px solid var(--line); }
.journal-record summary { display: grid; grid-template-columns: 7rem 1fr; gap: 1rem; }

.access-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(18rem, .85fr);
  gap: clamp(2rem, 5vw, 5rem);
  padding: clamp(1.6rem, 3vw, 2.8rem);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(15, 28, 54, .72);
}
.access-panel p, .access-panel li { color: var(--muted); }
.disclosure { border-left: 2px solid var(--gold); padding-left: 1.1rem; }
.boundary-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: .35rem 1.5rem; padding-left: 1.1rem; color: var(--muted); }

.cta-band { border-block: 1px solid rgba(234, 176, 109, .34); background: var(--navy); }
.cta-band .wrap { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2rem; align-items: center; padding-block: 2.4rem; }
.site-footer { padding-block: 2.8rem; border-top: 1px solid var(--line); background: #050b16; color: var(--muted); }
.footer-grid { display: grid; grid-template-columns: minmax(14rem, 1.4fr) repeat(2, minmax(10rem, .8fr)); gap: 2rem; }
.site-footer a { color: var(--cream-soft); }
.footer-links { display: grid; gap: .4rem; align-content: start; }
.footer-links strong { color: var(--gold-soft); }
.legal-line { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--line); font-size: .8rem; }
.loading-note { color: var(--muted); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }

/* CYRION-OS Forum: product-focused public reading in the V2 system. */
.forum-v2 [hidden] { display: none !important; }
.forum-main-v2 { min-height: 70vh; background: var(--midnight); }
.forum-mast {
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 78% 20%, rgba(80, 134, 204, .16), transparent 30rem),
    linear-gradient(180deg, #07111f 0%, var(--midnight) 100%);
}
.forum-mast-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(18rem, .72fr);
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
  padding-block: clamp(2.6rem, 5vw, 4.5rem);
}
.forum-heading h1 {
  max-width: 15ch;
  margin-bottom: .75rem;
  font-size: clamp(2.6rem, 4.2vw, 4rem);
}
.forum-heading .lead { max-width: 54ch; margin-bottom: 0; }
.forum-participation-state {
  border-top: 2px solid var(--gold);
  padding: 1.1rem 0 0 1.15rem;
  color: var(--muted);
}
.forum-participation-state p { margin: .35rem 0 0; }
.forum-state-label {
  color: var(--gold-soft);
  font-size: .76rem;
  font-weight: 850;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.forum-directory-section { padding-block: clamp(2.4rem, 4.5vw, 4rem); }
.forum-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, .7fr);
  gap: 2rem;
  align-items: end;
  margin-bottom: 1.6rem;
}
.forum-section-heading h2 { margin-bottom: 0; }
.community-read-status {
  justify-self: end;
  max-width: 34rem;
  border-left: 2px solid var(--blue);
  padding: .7rem 0 .7rem 1rem;
  color: var(--muted);
  font-size: .88rem;
}
.community-read-status.is-ready { border-color: var(--gold); color: var(--cream-soft); }
.community-read-status.is-error { border-color: #e08a78; color: #ffd4ca; }
.forum-browser {
  display: grid;
  grid-template-columns: minmax(13rem, .28fr) minmax(0, 1fr);
  border-block: 1px solid var(--line);
}
.community-category-panel {
  min-width: 0;
  padding: 1.35rem 1.35rem 1.35rem 0;
  border-right: 1px solid var(--line);
}
.community-category-panel h3 { margin-bottom: 1rem; font-size: 1.25rem; }
.community-category-list { display: grid; gap: .35rem; }
.community-category-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid transparent;
  border-radius: .65rem;
  padding: .72rem .78rem;
  background: transparent;
  color: var(--cream-soft);
  text-align: left;
  cursor: pointer;
}
.community-category-button:hover,
.community-category-button:focus-visible,
.community-category-button.is-active {
  border-color: var(--line-strong);
  background: rgba(80, 134, 204, .1);
  color: var(--cream);
}
.community-category-name { font-weight: 780; }
.community-category-count {
  min-width: 1.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .08rem .45rem;
  color: var(--gold-soft);
  font-size: .74rem;
  text-align: center;
}
.community-content-panel { min-width: 0; padding: 1.35rem 0 1.35rem 1.6rem; }
.community-topic-directory-header,
.community-reader-header { max-width: 52rem; padding-bottom: 1.1rem; border-bottom: 1px solid var(--line); }
.community-topic-directory-header h2,
.community-reader-header h2 { margin-bottom: .45rem; font-size: clamp(1.75rem, 3vw, 2.65rem); }
.community-topic-directory-header p:last-child,
.community-reader-metadata { margin-bottom: 0; color: var(--muted); }
.community-topic-list { display: grid; }
.community-topic-card { border-bottom: 1px solid var(--line); }
.community-topic-open {
  width: 100%;
  display: grid;
  gap: .45rem;
  border: 0;
  padding: 1.15rem .1rem;
  background: transparent;
  color: var(--cream);
  text-align: left;
  cursor: pointer;
}
.community-topic-open:hover { background: linear-gradient(90deg, rgba(80, 134, 204, .1), transparent 75%); }
.community-topic-heading-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}
.community-topic-title { overflow-wrap: anywhere; font-family: Georgia, "Times New Roman", serif; font-size: 1.25rem; line-height: 1.25; }
.community-topic-excerpt { max-width: 68ch; overflow-wrap: anywhere; color: var(--cream-soft); }
.community-topic-metadata,
.community-reply-metadata { color: var(--muted); font-size: .8rem; }
.community-topic-badges,
.community-reader-badges { display: flex; flex-wrap: wrap; gap: .35rem; }
.community-topic-badge,
.community-reader-badge {
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: .12rem .5rem;
  color: var(--blue-bright);
  font-size: .7rem;
  font-weight: 800;
  text-transform: uppercase;
}
.community-topic-badge.is-locked,
.community-reader-badge.is-locked { color: var(--gold-soft); }
.community-reader-back { margin-bottom: 1.2rem; }
.community-reader-body {
  max-width: 72ch;
  padding-block: 1.4rem;
  color: var(--cream-soft);
  font-size: 1.02rem;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.community-replies-section { padding-top: 1.2rem; border-top: 1px solid var(--line); }
.community-replies-section h3 { font-size: 1.45rem; }
.community-replies { display: grid; }
.community-reply { padding: 1rem 0; border-bottom: 1px solid var(--line); }
.community-reply-body { max-width: 72ch; margin-bottom: 0; color: var(--cream-soft); white-space: pre-wrap; }
.community-empty-state,
.community-error-state {
  margin: 1rem 0 0;
  border-left: 2px solid var(--line-strong);
  padding: .85rem 0 .85rem 1rem;
  color: var(--muted);
}
.community-error-state { border-color: #e08a78; color: #ffd4ca; }
.community-pagination { display: flex; align-items: center; gap: 1rem; margin-top: 1rem; }
.community-pagination .btn { padding: .55rem .8rem; }
.community-pagination .btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.community-page-status { color: var(--muted); font-size: .82rem; }
.forum-guidance-grid {
  display: grid;
  grid-template-columns: minmax(16rem, .65fr) minmax(0, 1.35fr);
  gap: clamp(2rem, 5vw, 5rem);
}
.forum-principles {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .65rem 2rem;
  margin: 0;
  padding-left: 1.2rem;
  color: var(--cream-soft);
}
.forum-principles li::marker { color: var(--gold); }
.forum-feedback-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2rem;
  align-items: center;
}
.forum-feedback-row p:last-child { max-width: 65ch; color: var(--muted); }

@media (max-width: 1240px) {
  .nav-toggle { display: inline-flex; }
  .primary-nav {
    position: absolute;
    inset: 4.35rem 0 auto;
    display: none;
    margin: 0;
    padding: 1rem max(1rem, calc((100vw - 1180px) / 2));
    background: var(--midnight);
    border-top: 1px solid var(--line);
    flex-direction: column;
    align-items: stretch;
  }
  .primary-nav[data-open="true"] { display: flex; }
  .js-enhanced .primary-nav { max-height: calc(100dvh - 4.35rem); overflow-y: auto; }
  html:not(.js-enhanced) .nav-toggle { display: none; }
  html:not(.js-enhanced) .nav-shell { flex-wrap: wrap; }
  html:not(.js-enhanced) .primary-nav { position: static; display: flex; width: 100%; }
  .primary-nav a { padding: .7rem 1rem; }
  .primary-nav .parent-link { margin: .5rem 0 0; border: 0; border-top: 1px solid var(--line); padding-top: 1rem; }
}

@media (max-width: 1080px) {
  .primary-nav a { padding-inline: .42rem; font-size: .75rem; }
  .hero-grid { grid-template-columns: minmax(17rem, .78fr) minmax(0, 1.22fr); }
  .platform-hero-layout { grid-template-columns: minmax(17rem, .7fr) minmax(0, 1.3fr); }
  .chapter-layout, .split, .visual-copy { grid-template-columns: minmax(0, 1.45fr) minmax(16rem, .75fr); }
}

@media (max-width: 980px) {
  .hero-grid, .platform-hero-layout, .split, .split.copy-first, .visual-copy, .chapter-layout, .demo-layout, .access-panel, .journal-layout { grid-template-columns: 1fr; }
  .hero-grid, .platform-hero-layout { min-height: auto; }
  .capabilities-hero .hero-grid, .workflow-hero .hero-grid, .journal-hero .hero-grid, .alpha-hero .hero-grid { min-height: auto; grid-template-columns: 1fr; }
  .hero-copy { max-width: 44rem; }
  .abriella-hero .hero-grid { min-height: auto; grid-template-columns: 1fr; gap: 1.5rem; }
  .abriella-identity { min-height: 31rem; }
  .abriella-identity .identity-art { width: min(23rem, 78%); max-height: 31rem; }
  .platform-hero-layout { padding-block: 3.5rem; }
  .journal-hero .media-frame { transform: none; }
  .section-head { grid-template-columns: 1fr; align-items: start; }
  .capability-browser { grid-template-columns: 1fr; }
  .capability-browser .category-tabs { position: static; flex-direction: row; overflow-x: auto; }
  .capability-browser .tab-button { width: auto; white-space: nowrap; }
  .identity-stage { grid-template-columns: minmax(10rem, .35fr) minmax(0, 1.65fr); min-height: 29rem; }
  .forum-mast-grid,
  .forum-section-heading,
  .forum-guidance-grid { grid-template-columns: 1fr; }
  .community-read-status { justify-self: start; }
  .forum-browser { grid-template-columns: 1fr; }
  .community-category-panel { padding-right: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .community-category-list { display: flex; overflow-x: auto; padding-bottom: .35rem; }
  .community-category-button { width: auto; min-width: max-content; }
  .community-content-panel { padding-left: 0; }
}

@media (max-width: 680px) {
  :root { --wrap: min(100% - 1.2rem, 1340px); }
  .hero-grid { padding-block: 2.8rem; }
  .platform-hero-layout { padding-block: 2.8rem; }
  h1 { font-size: clamp(2.55rem, 13vw, 3.75rem); }
  .capabilities-hero h1, .journal-hero h1, .alpha-hero h1 { font-size: clamp(2.4rem, 12vw, 3.4rem); }
  h2 { font-size: clamp(1.9rem, 9vw, 2.65rem); }
  .section { padding-block: 2.8rem; }
  .media-caption { align-items: flex-start; flex-direction: column; gap: .15rem; }
  .identity-stage { min-height: 32rem; grid-template-columns: 1fr; padding-top: 3rem; }
  .identity-stage .identity-art { position: absolute; left: -7%; bottom: 0; width: 45%; opacity: .7; }
  .identity-stage picture { position: relative; z-index: 1; margin-left: 10%; width: 90%; }
  .abriella-hero .hero-grid { gap: 1rem; }
  .abriella-hero h1 { font-size: clamp(2.55rem, 12vw, 3.45rem); }
  .abriella-identity { min-height: 27rem; }
  .abriella-identity .identity-art { width: min(21rem, 88%); max-height: 27rem; }
  .comparison-strip { grid-template-columns: 1fr; }
  .comparison-vs { justify-self: start; }
  .status-row, .cap-row, .journal-record summary, .reference-row { grid-template-columns: 1fr; gap: .5rem; }
  .journal-home { grid-template-columns: 1fr; }
  .journal-teaser, .journal-teaser + .journal-teaser { padding: .9rem 0; border-left: 0; }
  .hero-chapter-rail { grid-template-columns: repeat(3, 1fr); }
  .hero-chapter-rail span:nth-child(n+4) { border-top: 1px solid var(--line); }
  .journal-kicker-list { display: grid; gap: .35rem; }
  .journal-kicker-list span + span::before { content: none; }
  .stage-detail summary { grid-template-columns: 2.3rem 1fr; }
  .stage-authority { grid-column: 2; }
  .stage-body { padding-left: 0; }
  .supporting-proof { grid-template-columns: 5.5rem 1fr; }
  .supporting-proof img { width: 5.5rem; }
  .boundary-list { grid-template-columns: 1fr; }
  .cta-band .wrap, .footer-grid { grid-template-columns: 1fr; }
  .forum-heading h1 { font-size: clamp(2.35rem, 11vw, 3.3rem); }
  .forum-principles { grid-template-columns: 1fr; }
  .forum-feedback-row { grid-template-columns: 1fr; }
  .community-topic-heading-row { display: grid; }
  .community-pagination { align-items: stretch; flex-direction: column; }
}

@media (max-width: 360px) {
  :root { --wrap: min(100% - .9rem, 1340px); }
  .btn { width: 100%; }
  .identity-stage picture { margin-left: 0; width: 100%; }
  .identity-stage .identity-art { opacity: .32; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}

/* WMWEB-PC-006: readable guide, first-party board, and dormant interest shell. */
.platform-guide [id], #interest, .forum-topic { scroll-margin-top: 6rem; }
.guide-intro { padding-block: clamp(3rem, 6vw, 6rem); }
.guide-intro h1 { max-width: 18ch; font-size: clamp(2.6rem, 5vw, 4.6rem); }
.guide-intro .lead { max-width: 55ch; }
.guide-contents { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 2rem; }
.guide-contents a, .guide-related { display: inline-flex; align-items: center; min-height: 44px; padding: .5rem .75rem; color: var(--blue-bright); }
.guide-contents a { border: 1px solid var(--line-strong); border-radius: .5rem; text-decoration: none; }
.guide-orientation, .guide-map { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.25rem; }
.guide-orientation article { border-top: 2px solid var(--gold); padding-top: 1rem; }
.guide-map { list-style: none; padding: 0; margin-top: 2rem; }
.guide-map a { display: grid; gap: .5rem; height: 100%; padding: 1.4rem; border: 1px solid var(--line); border-radius: var(--radius); background: var(--navy); text-decoration: none; }
.guide-map strong { font-size: 1.15rem; }
.guide-map span:last-child { color: var(--muted); }
.guide-screen { border-top: 1px solid var(--line-strong); padding-block: 3rem; margin-top: 2rem; }
.guide-screen h2 { margin-bottom: 1rem; }
.guide-start { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-bottom: 1.5rem; }
.guide-start p { margin: 0; }
.guide-figure { border: 1px solid var(--line-strong); border-radius: var(--radius); background: #030a14; overflow: hidden; }
.guide-image-link { display: block; cursor: zoom-in; }
.guide-figure img, .guide-figure video { width: 100%; height: auto; }
.guide-figure figcaption { display: grid; gap: .3rem; padding: 1rem 1.25rem; color: var(--muted); font-size: .9rem; }
.guide-figure figcaption strong { color: var(--cream-soft); }
.guide-callouts { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1.5rem; list-style-position: inside; padding: 1.5rem; margin: 1rem 0; background: var(--navy); border-radius: var(--radius); }
.guide-callouts li::marker { color: var(--gold); font-weight: 850; }
.guide-notes { max-width: 90ch; }
.guide-notes strong, .guide-start strong { color: var(--gold-soft); }
.guide-boundaries { max-width: 85ch; padding-left: 1.25rem; }
.guide-boundaries li { margin-block: .75rem; }
.guide-reference { max-width: 100%; overflow-x: auto; }
.guide-reference table { width: 100%; border-collapse: collapse; text-align: left; }
.guide-reference th, .guide-reference td { padding: 1rem; vertical-align: top; border-bottom: 1px solid var(--line); }
.guide-reference th { color: var(--gold-soft); }
.guide-reference a { display: inline-flex; align-items: center; min-height: 44px; }
.forum-topic-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 1.5rem; margin-top: 1.5rem; }
.forum-topic { padding: clamp(1.4rem,3vw,2.5rem); border: 1px solid var(--line); border-radius: var(--radius); background: var(--navy); overflow-wrap: anywhere; }
.forum-topic h3 { font-size: 1.5rem; line-height: 1.25; }
.forum-topic p { max-width: 75ch; }
.forum-featured { background: linear-gradient(120deg, var(--navy-raised), var(--navy)); border-color: var(--line-strong); }
.topic-publisher { color: var(--gold-soft); font-size: .85rem; }
.topic-summary { font-size: 1.1rem; color: var(--cream-soft); }
.alpha-interest { display: grid; grid-template-columns: 1.3fr 1fr; gap: 3rem; padding: clamp(1.5rem,4vw,3.5rem); border: 1px solid var(--gold); border-radius: var(--radius); background: linear-gradient(120deg,var(--navy-raised),var(--midnight)); }
.alpha-interest h2 { font-size: clamp(2rem,3vw,3rem); }
.interest-state { margin: 0; display: grid; align-content: start; gap: 1rem; }
.interest-state div { border-bottom: 1px solid var(--line); padding-bottom: 1rem; }
.interest-state dt { color: var(--gold-soft); font-size: .9rem; }
.interest-state dd { margin: .35rem 0 0; font-size: 1.15rem; }
@media (max-width: 980px) {
  .guide-orientation, .guide-callouts { grid-template-columns: 1fr; }
  .guide-map { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 680px) {
  .guide-map, .guide-start, .forum-topic-grid, .alpha-interest { grid-template-columns: 1fr; }
  .guide-start, .alpha-interest { gap: 1rem; }
  .guide-callouts { padding: 1.2rem; }
  .guide-screen { padding-block: 2rem; }
  .guide-reference table { min-width: 650px; }
}