@import url("https://kynetra.dev/theme/v1/kynetra-theme.css?v=1.7.0");

@import url('https://fonts.googleapis.com/css2?family=Geist:wght@400;500;600;700&family=Geist+Mono:wght@400;500;600&display=swap');

/* ═══════════════════════════════════════════
   Web7 Foundation — Shared Stylesheet v2.0
   Black / white theme (foundry.kynetra.dev language)
   ═══════════════════════════════════════════ */

:root {
  /* Black / white SaaS theme — Vercel / hbforge / foundry.kynetra.dev language */
  --bg: #000000;
  --bg2: #0a0a0a;
  --bg3: #0f0f0f;
  --surface: #0f0f0f;
  --surface2: #141414;
  --border: rgba(255,255,255,0.08);
  --border2: rgba(255,255,255,0.13);
  --text: #ededed;
  --muted: #888888;
  --subtle: #555555;
  --accent: #ffffff;
  --accent2: #ededed;
  --accent-light: rgba(255,255,255,0.10);
  --accent-glow: transparent;
  --accent2-glow: transparent;
  --green: #ededed;
  --green-light: rgba(255,255,255,0.10);
  --orange: #f5a623;
  --red: #f04141;
  --mono: 'Geist Mono', 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
  --sans: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --radius: 8px;
  --radius-lg: 12px;
  --nav-h: 64px;
  --max-w: 1100px;
  --content-w: 760px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; scrollbar-gutter: stable; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── NAV ──────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #000000;
  border-bottom: 1px solid var(--border);
  height: var(--nav-h);
  will-change: transform;
  transform: translateZ(0);
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-logo {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.nav-logo .logo-mark {
  width: 28px;
  height: 28px;
  background: var(--text);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: -0.04em;
}
.nav-links {
  display: flex;
  gap: 2px;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
}
.nav-links a {
  font-size: 14px;
  color: var(--muted);
  padding: 6px 10px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--text);
  background: var(--surface2);
  text-decoration: none;
}
.nav-cta {
  margin-left: auto;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s, transform 0.1s;
  text-decoration: none;
}
.btn:hover { opacity: 0.85; text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: #fff; color: #000; }
.btn-outline { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-accent { background: #fff; color: #000; }
.btn-lg { padding: 12px 24px; font-size: 15px; border-radius: var(--radius); }

/* ── LAYOUT ───────────────────────────────── */
.wrap { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.content { max-width: var(--content-w); margin: 0 auto; padding: 0 24px; }

/* ── PAGE HERO ─────────────────────────────── */
.page-hero {
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--border);
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.badge-protocol { background: rgba(255,255,255,0.08); color: #ededed; }
.badge-docs { background: rgba(255,255,255,0.08); color: #ededed; }
.badge-rfc { background: rgba(255,255,255,0.08); color: #ededed; }
.badge-version { background: var(--surface2); color: var(--muted); }
h1.hero-title {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 20px;
  color: var(--muted);
  max-width: 600px;
  margin-bottom: 32px;
  line-height: 1.5;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ── SECTIONS ──────────────────────────────── */
section { padding: 64px 0; }
section + section { border-top: 1px solid var(--border); }
.section-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
h2.section-title {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
h3.subsection { font-size: 20px; font-weight: 600; margin: 40px 0 12px; letter-spacing: -0.01em; }
.section-desc { font-size: 17px; color: var(--muted); max-width: 560px; margin-bottom: 40px; }

/* ── CARDS ─────────────────────────────────── */
.cards { display: grid; gap: 16px; }
.cards-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.cards-3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.cards-4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.07); transform: translateY(-2px); }
.card-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
  background: var(--surface2);
}
.card h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.card p { font-size: 14px; color: var(--muted); margin: 0; line-height: 1.5; }
.card-link { display: block; color: var(--text); text-decoration: none; }
.card-link:hover { text-decoration: none; }

/* ── CODE BLOCKS ───────────────────────────── */
pre, code {
  font-family: var(--mono);
  font-size: 13px;
}
code:not(pre code) {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 0.88em;
  color: var(--accent);
}
pre {
  background: #0a0a0a;
  color: #d4d4d4;
  border-radius: var(--radius-lg);
  padding: 24px;
  overflow-x: auto;
  margin: 24px 0;
  line-height: 1.7;
  border: 1px solid rgba(255,255,255,0.08);
}
pre code { color: inherit; background: none; border: none; padding: 0; font-size: 13px; }
.code-block { position: relative; }
.code-label {
  position: absolute;
  top: 12px; right: 16px;
  font-size: 11px;
  color: #555555;
  font-family: var(--mono);
}
.token-keyword { color: #ededed; }
.token-string { color: #ededed; }
.token-comment { color: #555555; font-style: italic; }
.token-type { color: #ededed; }
.token-fn { color: #ededed; }
.token-number { color: #ededed; }
.token-property { color: #ededed; }

/* ── TABLES ─────────────────────────────────── */
.table-wrap { overflow-x: auto; margin: 24px 0; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { background: var(--surface2); font-weight: 600; padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
td { padding: 11px 16px; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: none; }
.check { color: var(--green); font-weight: 700; }
.cross { color: var(--red); }

/* ── SPEC BLOCKS ────────────────────────────── */
.spec-block {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: 24px 0;
}
.spec-block-header {
  padding: 16px 20px;
  background: var(--surface2);
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
.spec-block-body { padding: 20px; }
.spec-row {
  display: flex;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.spec-row:last-child { border-bottom: none; }
.spec-key { font-family: var(--mono); font-size: 13px; color: var(--accent); min-width: 140px; flex-shrink: 0; }
.spec-val { color: var(--muted); }
.spec-type { font-size: 12px; color: var(--subtle); font-family: var(--mono); margin-top: 2px; }

/* ── CALLOUTS ───────────────────────────────── */
.callout {
  display: flex;
  gap: 12px;
  padding: 16px 20px;
  border-radius: var(--radius);
  margin: 24px 0;
  font-size: 14px;
  border: 1px solid;
}
.callout-info { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.18); color: #ededed; }
.callout-success { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.18); color: #ededed; }
.callout-warning { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.18); color: #ededed; }
.callout-icon { font-size: 16px; flex-shrink: 0; margin-top: 1px; }

/* ── STEPS / TIMELINE ───────────────────────── */
.steps { display: flex; flex-direction: column; gap: 0; position: relative; }
.step {
  display: flex;
  gap: 20px;
  padding-bottom: 32px;
  position: relative;
}
.step:last-child { padding-bottom: 0; }
.step-num {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--text);
  color: #000;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}
.step::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 32px;
  width: 2px;
  height: calc(100% - 32px);
  background: var(--border);
}
.step:last-child::before { display: none; }
.step-content { padding-top: 4px; }
.step-content h4 { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.step-content p { font-size: 14px; color: var(--muted); margin: 0; }

/* ── MILESTONE TABLE ────────────────────────── */
.milestone-row { position: relative; }
.milestone-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
  margin-right: 6px;
}
.milestone-dot.done { background: var(--green); }
.milestone-dot.planned { background: var(--subtle); }
.phase-header { background: rgba(255,255,255,0.08) !important; font-weight: 600; }
.phase-header td { color: #ededed; }

/* ── PROTOCOL NAV (sidebar-like) ─────────────── */
.layout-proto {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 48px;
  padding: 48px 0;
  align-items: start;
}
.proto-sidebar {
  position: sticky;
  top: calc(var(--nav-h) + 24px);
}
.proto-nav-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--subtle);
  padding: 8px 12px;
}
.proto-nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--muted);
  padding: 7px 12px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
  text-decoration: none;
}
.proto-nav a:hover, .proto-nav a.active {
  color: var(--text);
  background: var(--surface2);
}
.proto-nav a.active { font-weight: 500; }
.proto-content { min-width: 0; }
.proto-content h2 { font-size: 26px; font-weight: 700; letter-spacing: -0.02em; margin: 48px 0 16px; }
.proto-content h2:first-child { margin-top: 0; }
.proto-content h3 { font-size: 19px; font-weight: 600; margin: 32px 0 12px; }
.proto-content p { margin-bottom: 16px; color: var(--muted); line-height: 1.7; }
.proto-content ul, .proto-content ol { margin: 12px 0 16px 20px; }
.proto-content li { margin-bottom: 6px; font-size: 15px; color: var(--muted); line-height: 1.6; }

/* ── RFC ────────────────────────────────────── */
.rfc-card {
  display: flex;
  gap: 20px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: box-shadow 0.2s;
  text-decoration: none;
  color: var(--text);
}
.rfc-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.08); text-decoration: none; }
.rfc-num {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  min-width: 60px;
  padding-top: 2px;
}
.rfc-info h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.rfc-info p { font-size: 14px; color: var(--muted); margin: 0 0 10px; }
.rfc-meta { display: flex; gap: 12px; flex-wrap: wrap; }
.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}
.tag-draft { background: rgba(255,255,255,0.08); color: #ededed; }
.tag-active { background: rgba(255,255,255,0.08); color: #ededed; }
.tag-final { background: rgba(255,255,255,0.08); color: #ededed; }
.tag-withdrawn { background: var(--surface2); color: var(--subtle); }

/* ── STACK DIAGRAM ──────────────────────────── */
.stack-diagram {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 13px;
}
.stack-layer {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background 0.15s;
}
.stack-layer:last-child { border-bottom: none; }
.stack-layer:hover { background: rgba(255,255,255,0.04) !important; }
.layer-num {
  font-size: 11px;
  font-weight: 700;
  color: #666;
  min-width: 24px;
}
.layer-name {
  font-weight: 700;
  min-width: 160px;
  color: #f1f5f9;
}
.layer-desc { color: #94a3b8; font-size: 12px; flex: 1; }
.layer-tag {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.14);
  color: #ededed;
}
.l0 { background: #0a0a0a; }
.l1 { background: #0f0f0f; }
.l2 { background: #141414; }
.l3 { background: #191919; }
.l4 { background: #1e1e1e; }
.l5 { background: #232323; }
.l6 { background: #282828; }
.l7 { background: #22222e; }

/* ── FOOTER ─────────────────────────────────── */
footer {
  background: #0a0a0a;
  color: #94a3b8;
  padding: 60px 0 40px;
  margin-top: 80px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 40px;
  margin-bottom: 48px;
}
.footer-col h3,
.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  color: #f1f5f9;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.footer-col a {
  display: block;
  font-size: 13px;
  color: #94a3b8;
  margin-bottom: 8px;
  text-decoration: none;
  transition: color 0.15s;
}
.footer-col a:hover { color: #f1f5f9; text-decoration: none; }
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
}
.footer-logo {
  font-weight: 700;
  color: #f1f5f9;
  font-size: 14px;
  letter-spacing: -0.01em;
}

/* ── UTILITY ─────────────────────────────────── */
.flex { display: flex; }
.items-center { align-items: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-40 { margin-bottom: 40px; }
.text-muted { color: var(--muted); }
.text-sm { font-size: 14px; }
.text-xs { font-size: 12px; }
.font-mono { font-family: var(--mono); }
.divider { border: none; border-top: 1px solid var(--border); margin: 48px 0; }

/* ── INTERNATIONALIZATION HUB ───────────────── */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  left: 16px;
  top: 16px;
  z-index: 200;
  padding: 8px 12px;
  background: var(--text);
  color: var(--bg);
  border-radius: var(--radius);
  transform: translateY(-200%);
}
.skip-link:focus { transform: translateY(0); }
main section[id] { scroll-margin-top: calc(var(--nav-h) + 24px); }

.i18n-hero {
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 32px 32px;
}
.i18n-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
  gap: 64px;
  align-items: center;
}
.i18n-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  font-family: var(--mono);
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.i18n-kicker::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--text);
}
.i18n-title {
  max-width: 760px;
  font-size: clamp(44px, 7vw, 80px);
  line-height: 0.98;
  letter-spacing: -0.055em;
  margin-bottom: 24px;
}
.i18n-title span {
  display: block;
  color: var(--muted);
  font-weight: 500;
}
.i18n-intro {
  max-width: 680px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}
.script-mark {
  min-height: 320px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid var(--border2);
  background: var(--bg2);
}
.script-mark span {
  display: grid;
  place-items: center;
  min-height: 160px;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 72px;
  line-height: 1;
  color: var(--text);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.script-mark span:nth-child(2n) { border-right: 0; }
.script-mark span:nth-last-child(-n+2) { border-bottom: 0; }
.script-mark span:nth-child(2),
.script-mark span:nth-child(3) { color: var(--muted); }

.i18n-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 64px;
  align-items: start;
}
.i18n-main { min-width: 0; }
.i18n-rail {
  position: sticky;
  top: calc(var(--nav-h) + 32px);
  padding-top: 64px;
}
.rail-block {
  padding: 0 0 28px 20px;
  border-left: 1px solid var(--border2);
  margin-bottom: 28px;
}
.rail-block h2 {
  font-size: 15px;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}
.rail-list { list-style: none; }
.rail-list li { margin-bottom: 8px; }
.rail-list a {
  color: var(--muted);
  font-size: 13px;
}
.rail-list a:hover { color: var(--text); }
.rail-status {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: baseline;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 8px;
}
.rail-status strong {
  color: var(--text);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
}

.activity-lede {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(220px, 0.65fr);
  gap: 32px;
  padding: 48px 0;
  border-bottom: 1px solid var(--border);
}
.activity-lede p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}
.activity-principle {
  padding-left: 24px;
  border-left: 1px solid var(--border2);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
}
.activity-principle strong {
  display: block;
  color: var(--text);
  margin-bottom: 8px;
}

.resource-lanes { padding: 64px 0; }
.resource-lane {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 32px;
  padding: 32px 0;
  border-top: 1px solid var(--border);
}
.resource-lane:last-child { border-bottom: 1px solid var(--border); }
.resource-lane h3 {
  font-size: 21px;
  letter-spacing: -0.02em;
}
.lane-index {
  display: block;
  margin-bottom: 12px;
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 11px;
}
.resource-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 24px;
}
.resource-link {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  color: var(--muted);
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}
.resource-link::after {
  content: '↗';
  color: var(--subtle);
  flex-shrink: 0;
}
.resource-link:hover {
  color: var(--text);
  text-decoration: none;
}
.resource-link[hidden] { display: none; }
.resource-search {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  margin-top: 24px;
}
.resource-search input {
  width: 100%;
  min-height: 44px;
  padding: 10px 14px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  font: inherit;
}
.resource-search input::placeholder { color: var(--subtle); }
.resource-search input:focus-visible,
.locale-select:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 2px;
}
.search-status {
  min-height: 24px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}

.knowledge-section {
  padding: 0 0 64px;
  border-bottom: 1px solid var(--border);
}
.knowledge-panel {
  margin-top: 24px;
  border: 1px solid var(--border2);
  background: var(--surface);
}
.knowledge-form { padding: 32px; }
.knowledge-form > label {
  display: block;
  margin-bottom: 12px;
  font-size: 15px;
  font-weight: 600;
}
.knowledge-form textarea {
  display: block;
  width: 100%;
  min-height: 112px;
  resize: vertical;
  padding: 14px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  font: inherit;
  line-height: 1.55;
}
.knowledge-form textarea::placeholder { color: var(--subtle); }
.knowledge-form textarea:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 2px;
}
.knowledge-controls {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-top: 16px;
}
.knowledge-controls label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
}
.knowledge-controls .btn { min-height: 40px; }
.knowledge-controls .btn:disabled {
  cursor: wait;
  opacity: 0.6;
}
.knowledge-status {
  min-height: 45px;
  padding: 14px 32px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  font-size: 12px;
}
.knowledge-answer {
  padding: 28px 32px 32px;
  border-top: 1px solid var(--border);
}
.knowledge-answer:focus { outline: none; }
.knowledge-answer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}
.knowledge-answer-head h3 {
  font-size: 20px;
  letter-spacing: -0.02em;
}
.knowledge-answer-text {
  color: var(--text);
  font-size: 16px;
  line-height: 1.75;
  white-space: pre-wrap;
}
.knowledge-answer h4 {
  margin-top: 28px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.knowledge-citations {
  margin: 12px 0 0 20px;
}
.knowledge-citations li {
  padding: 7px 0 7px 4px;
  color: var(--muted);
  font-size: 13px;
}
.knowledge-citations a { color: var(--text); }
.knowledge-citations span {
  display: block;
  margin-top: 3px;
  color: var(--subtle);
  font-size: 12px;
}

.locale-lab {
  padding: 32px;
  border: 1px solid var(--border2);
  background: var(--surface);
}
.locale-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: end;
  margin-bottom: 32px;
}
.locale-toolbar label {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 8px;
}
.locale-select {
  min-width: 220px;
  min-height: 40px;
  padding: 8px 36px 8px 12px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border2);
  border-radius: var(--radius);
  font: inherit;
}
.locale-output {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.locale-sample {
  min-width: 0;
  padding: 24px;
  border-right: 1px solid var(--border);
}
.locale-sample:last-child { border-right: 0; }
.locale-sample span {
  display: block;
  margin-bottom: 10px;
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.locale-sample strong {
  display: block;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.5;
}
.locale-note {
  margin-top: 20px;
  color: var(--muted);
  font-size: 13px;
}

.stack-map {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--border);
}
.stack-map-row {
  display: grid;
  grid-template-columns: 64px 180px minmax(0, 1fr);
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}
.stack-map-layer {
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 11px;
}
.stack-map-name { font-weight: 600; }
.stack-map-desc {
  color: var(--muted);
  font-size: 14px;
}

.activity-stream {
  padding: 0;
  border-top: 1px solid var(--border);
}
.activity-entry {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr) 92px;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.activity-date {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
}
.activity-entry h3 {
  font-size: 17px;
  margin-bottom: 6px;
}
.activity-entry p {
  color: var(--muted);
  font-size: 14px;
}
.activity-state {
  justify-self: end;
  padding: 3px 8px;
  color: var(--muted);
  border: 1px solid var(--border2);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

/* ── RESPONSIVE ─────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .layout-proto { grid-template-columns: 1fr; }
  .proto-sidebar { display: none; }
  h1.hero-title { font-size: 36px; }
  .hero-sub { font-size: 16px; }
  .cards-4 { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
  .stack-layer { flex-wrap: wrap; }
  .layer-name { min-width: unset; }
  .i18n-hero { padding: 56px 0 48px; }
  .i18n-hero-grid,
  .i18n-layout,
  .activity-lede { grid-template-columns: 1fr; }
  .i18n-hero-grid { gap: 40px; }
  .script-mark { min-height: 240px; }
  .script-mark span { min-height: 120px; font-size: 56px; }
  .i18n-rail { display: none; }
  .resource-lane { grid-template-columns: 1fr; gap: 20px; }
  .resource-list { grid-template-columns: 1fr; }
  .knowledge-form { padding: 24px; }
  .knowledge-controls { align-items: stretch; flex-direction: column; }
  .knowledge-controls .locale-select,
  .knowledge-controls .btn { width: 100%; }
  .knowledge-status { padding: 14px 24px; }
  .knowledge-answer { padding: 24px; }
  .locale-toolbar { align-items: stretch; flex-direction: column; }
  .locale-select { width: 100%; }
  .locale-output { grid-template-columns: 1fr; }
  .locale-sample { border-right: 0; border-bottom: 1px solid var(--border); }
  .locale-sample:last-child { border-bottom: 0; }
  .stack-map-row { grid-template-columns: 48px 1fr; }
  .stack-map-desc { grid-column: 2; }
  .activity-entry { grid-template-columns: 1fr auto; gap: 12px; }
  .activity-entry > div:nth-child(2) { grid-column: 1 / -1; grid-row: 2; }
  .activity-state { grid-column: 2; grid-row: 1; }
}

/* ═══════════════════════════════════════════
   Web7 positioning system — July 2026
   ═══════════════════════════════════════════ */

.positioning-page {
  --position-line: rgba(255,255,255,0.14);
  --position-soft: rgba(255,255,255,0.045);
  --position-success: #b8f5c7;
  --subtle: #777777;
}

.positioning-page .nav {
  background: rgba(0,0,0,0.92);
}

.positioning-page .nav-links a[aria-current='page'] {
  color: var(--text);
  background: var(--surface2);
}

.positioning-hero {
  padding: 88px 0 72px;
  border-bottom: 1px solid var(--position-line);
  background:
    linear-gradient(90deg, transparent 49.9%, rgba(255,255,255,0.035) 50%, transparent 50.1%),
    linear-gradient(180deg, #050505 0%, #000 78%);
}

.positioning-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(340px, 0.82fr);
  gap: 72px;
  align-items: center;
}

.positioning-eyebrow,
.positioning-kicker {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.positioning-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}

.positioning-eyebrow::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--position-success);
  content: '';
  box-shadow: 0 0 0 4px rgba(184,245,199,0.08);
}

.positioning-title {
  max-width: 780px;
  margin: 0;
  font-size: clamp(44px, 6.4vw, 82px);
  font-weight: 700;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.positioning-title span {
  display: block;
  color: var(--muted);
}

.positioning-lede {
  max-width: 680px;
  margin: 28px 0 0;
  color: #b4b4b4;
  font-size: 19px;
  line-height: 1.6;
}

.positioning-lede strong {
  color: var(--text);
  font-weight: 600;
}

.positioning-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.positioning-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 28px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
}

.positioning-facts span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.positioning-facts span::before {
  color: var(--text);
  content: '✓';
}

.trace-panel {
  border: 1px solid var(--position-line);
  background: #050505;
}

.trace-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 10px;
}

.trace-status {
  color: var(--position-success);
}

.trace-list {
  list-style: none;
  counter-reset: trace;
}

.trace-list li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 16px;
  border-bottom: 1px solid var(--border);
  counter-increment: trace;
}

.trace-list li:last-child {
  border-bottom: 0;
}

.trace-list li::before {
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 10px;
  content: '0' counter(trace);
}

.trace-name {
  color: var(--text);
  font-size: 13px;
  font-weight: 600;
}

.trace-detail {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 400;
}

.trace-result {
  color: var(--position-success);
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

.positioning-manifesto {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-bottom: 1px solid var(--position-line);
}

.manifesto-item {
  min-width: 0;
  padding: 28px 32px;
  border-right: 1px solid var(--position-line);
}

.manifesto-item:last-child {
  border-right: 0;
}

.manifesto-item span {
  display: block;
  margin-bottom: 6px;
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

.manifesto-item strong {
  font-size: 15px;
  font-weight: 600;
}

.positioning-section {
  padding: 80px 0;
  border-bottom: 1px solid var(--position-line);
}

.positioning-section + .positioning-section {
  border-top: 0;
}

.positioning-section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
  gap: 64px;
  align-items: start;
  margin-bottom: 48px;
}

.positioning-section-title {
  max-width: 720px;
  margin: 0;
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 650;
  letter-spacing: -0.045em;
  line-height: 1.05;
}

.positioning-section-copy {
  max-width: 620px;
  color: var(--muted);
  font-size: 17px;
}

.positioning-section-copy p + p {
  margin-top: 16px;
}

.positioning-section-copy strong {
  color: var(--text);
}

.accountability-path {
  border-top: 1px solid var(--position-line);
}

.accountability-step {
  display: grid;
  grid-template-columns: 64px minmax(150px, 0.55fr) minmax(0, 1.45fr) 110px;
  gap: 24px;
  align-items: baseline;
  padding: 24px 0;
  border-bottom: 1px solid var(--position-line);
}

.accountability-index,
.accountability-standard,
.product-status,
.maturity-tag {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
}

.accountability-index {
  color: var(--subtle);
}

.accountability-name {
  font-weight: 600;
}

.accountability-desc {
  color: var(--muted);
  font-size: 14px;
}

.accountability-standard {
  justify-self: end;
  color: var(--text);
}

.reference-map {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--position-line);
  border-left: 1px solid var(--position-line);
}

.reference-lane {
  min-width: 0;
  padding: 28px;
  border-right: 1px solid var(--position-line);
  border-bottom: 1px solid var(--position-line);
}

.reference-lane-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: baseline;
  margin-bottom: 18px;
}

.reference-lane h3 {
  font-size: 18px;
  letter-spacing: -0.02em;
}

.reference-lane p {
  min-height: 66px;
  color: var(--muted);
  font-size: 14px;
}

.product-status {
  flex-shrink: 0;
  color: var(--position-success);
}

.product-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.product-links a,
.product-links span {
  padding: 5px 8px;
  color: var(--text);
  border: 1px solid var(--border2);
  font-family: var(--mono);
  font-size: 10px;
}

.product-links a:hover {
  background: var(--surface2);
  text-decoration: none;
}

.proof-band {
  background: var(--position-soft);
}

.proof-grid-v3 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--position-line);
  border-left: 1px solid var(--position-line);
}

.proof-item-v3 {
  min-width: 0;
  padding: 28px;
  border-right: 1px solid var(--position-line);
  border-bottom: 1px solid var(--position-line);
}

.proof-value-v3 {
  display: block;
  margin-bottom: 12px;
  color: var(--text);
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 650;
  letter-spacing: -0.05em;
  line-height: 1;
}

.proof-label-v3 {
  display: block;
  color: var(--muted);
  font-size: 13px;
}

.proof-source-v3 {
  display: inline-block;
  margin-top: 14px;
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 9px;
  text-transform: uppercase;
}

.proof-source-v3:hover {
  color: var(--text);
}

.role-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--position-line);
}

.role-item {
  padding: 28px 28px 28px 0;
  border-bottom: 1px solid var(--position-line);
}

.role-item + .role-item {
  padding-left: 28px;
  border-left: 1px solid var(--position-line);
}

.role-item h3 {
  margin: 10px 0 10px;
  font-size: 18px;
}

.role-item p {
  color: var(--muted);
  font-size: 14px;
}

.maturity-list {
  border-top: 1px solid var(--position-line);
}

.maturity-row {
  display: grid;
  grid-template-columns: 150px minmax(160px, 0.6fr) minmax(0, 1.4fr);
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--position-line);
  align-items: baseline;
}

.maturity-tag {
  width: max-content;
  padding: 4px 8px;
  color: var(--text);
  border: 1px solid var(--border2);
}

.maturity-tag.live {
  color: var(--position-success);
  border-color: rgba(184,245,199,0.28);
}

.maturity-name {
  font-weight: 600;
}

.maturity-desc {
  color: var(--muted);
  font-size: 14px;
}

.positioning-cta {
  padding: 88px 0;
  text-align: center;
}

.positioning-cta h2 {
  max-width: 760px;
  margin: 0 auto;
  font-size: clamp(36px, 5vw, 60px);
  letter-spacing: -0.05em;
  line-height: 1.04;
}

.positioning-cta p {
  max-width: 600px;
  margin: 20px auto 0;
  color: var(--muted);
  font-size: 17px;
}

.positioning-cta .positioning-actions {
  justify-content: center;
}

/* Reference architecture and ecosystem pages */
.architecture-hero {
  padding: 80px 0 64px;
  border-bottom: 1px solid var(--position-line);
}

.architecture-hero .positioning-title {
  max-width: 920px;
}

.architecture-planes {
  border-top: 1px solid var(--position-line);
}

.architecture-plane {
  display: grid;
  grid-template-columns: 54px minmax(160px, 0.55fr) minmax(0, 1.1fr) minmax(180px, 0.72fr);
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--position-line);
  align-items: start;
}

.plane-index {
  color: var(--subtle);
  font-family: var(--mono);
  font-size: 11px;
}

.plane-name {
  font-size: 18px;
  font-weight: 600;
}

.plane-contract,
.plane-reference {
  color: var(--muted);
  font-size: 14px;
}

.plane-reference strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
}

.boundary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--position-line);
  border: 1px solid var(--position-line);
}

.boundary-panel {
  padding: 32px;
  background: var(--bg);
}

.boundary-panel h3 {
  margin-bottom: 20px;
  font-size: 20px;
}

.boundary-panel ul {
  list-style: none;
}

.boundary-panel li {
  position: relative;
  padding: 12px 0 12px 24px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  font-size: 14px;
}

.boundary-panel li::before {
  position: absolute;
  left: 0;
  color: var(--text);
  content: '—';
}

.ecosystem-directory {
  border-top: 1px solid var(--position-line);
}

.ecosystem-product {
  display: grid;
  grid-template-columns: minmax(150px, 0.55fr) minmax(0, 1.1fr) minmax(170px, 0.7fr) 96px;
  gap: 24px;
  align-items: baseline;
  padding: 22px 0;
  border-bottom: 1px solid var(--position-line);
}

.ecosystem-product-name {
  color: var(--text);
  font-weight: 600;
}

.ecosystem-product-role {
  color: var(--muted);
  font-size: 14px;
}

.ecosystem-product-proof {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10px;
}

.ecosystem-product .maturity-tag {
  justify-self: end;
}

@media (max-width: 900px) {
  .positioning-hero-grid,
  .positioning-section-head {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .positioning-hero-grid {
    align-items: start;
  }
  .trace-panel {
    max-width: 620px;
  }
  .proof-grid-v3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .architecture-plane {
    grid-template-columns: 44px minmax(130px, 0.48fr) minmax(0, 1fr);
  }
  .plane-reference {
    grid-column: 3;
  }
  .ecosystem-product {
    grid-template-columns: minmax(140px, 0.5fr) minmax(0, 1fr) 96px;
  }
  .ecosystem-product-proof {
    grid-column: 2;
  }
  .ecosystem-product .maturity-tag {
    grid-column: 3;
    grid-row: 1;
  }
}

@media (max-width: 680px) {
  .positioning-hero {
    padding: 56px 0 48px;
    background: linear-gradient(180deg, #050505 0%, #000 78%);
  }
  .positioning-title {
    font-size: clamp(40px, 13vw, 60px);
  }
  .positioning-lede {
    font-size: 17px;
  }
  .positioning-manifesto,
  .reference-map,
  .proof-grid-v3,
  .role-grid,
  .boundary-grid {
    grid-template-columns: 1fr;
  }
  .manifesto-item {
    padding: 20px 24px;
    border-right: 0;
    border-bottom: 1px solid var(--position-line);
  }
  .manifesto-item:last-child {
    border-bottom: 0;
  }
  .positioning-section {
    padding: 56px 0;
  }
  .positioning-section-head {
    margin-bottom: 32px;
  }
  .accountability-step {
    grid-template-columns: 38px minmax(0, 1fr) auto;
    gap: 14px;
  }
  .accountability-desc {
    grid-column: 2 / -1;
  }
  .accountability-standard {
    grid-column: 3;
    grid-row: 1;
  }
  .reference-lane p {
    min-height: 0;
  }
  .role-item,
  .role-item + .role-item {
    padding: 24px 0;
    border-left: 0;
  }
  .maturity-row {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 12px 18px;
  }
  .maturity-desc {
    grid-column: 2;
  }
  .architecture-plane {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 12px 16px;
  }
  .plane-contract,
  .plane-reference {
    grid-column: 2;
  }
  .ecosystem-product {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px 16px;
  }
  .ecosystem-product-role,
  .ecosystem-product-proof {
    grid-column: 1 / -1;
  }
  .ecosystem-product .maturity-tag {
    grid-column: 2;
    grid-row: 1;
  }
}