/* ============================================================
   RELISAV ConnectedEdge Foundation
   Aesthetic: Infrastructure Blueprint meets AI-era Terminal
   ============================================================ */

/* ---------- 1. Design tokens ---------- */

:root {
  /* Ink & paper */
  --ink:            #0A0C0F;
  --ink-raised:     #111418;
  --ink-soft:       #171B21;
  --border:         #242A32;
  --border-strong:  #3A4250;
  --paper:          #EDE6D6;
  --paper-dim:      #9AA0A9;
  --paper-mute:     #5A6068;

  /* Accents */
  --signal:      #FF7A33;
  --signal-soft: #FF9E6B;
  --cyan:        #5BD7E6;
  --success:     #8FCF7D;

  /* Typography */
  --font-display: "Fraunces", "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --font-body:    "Geist", ui-sans-serif, system-ui, -apple-system, Segoe UI, Helvetica, Arial, sans-serif;
  --font-mono:    "JetBrains Mono", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  /* Rhythm */
  --step--1: clamp(0.78rem, 0.76rem + 0.1vw, 0.84rem);
  --step-0:  clamp(0.95rem, 0.92rem + 0.15vw, 1.02rem);
  --step-1:  clamp(1.1rem,  1.04rem + 0.3vw,  1.25rem);
  --step-2:  clamp(1.3rem,  1.18rem + 0.6vw,  1.6rem);
  --step-3:  clamp(1.6rem,  1.4rem + 1vw,     2.2rem);
  --step-4:  clamp(2.1rem,  1.7rem + 2vw,     3.2rem);
  --step-5:  clamp(2.8rem,  2rem + 4vw,       4.6rem);
  --hero:    clamp(3rem, 8vw, 7rem);

  /* Spacing */
  --sp-1: 0.5rem;
  --sp-2: 0.9rem;
  --sp-3: 1.4rem;
  --sp-4: 2.2rem;
  --sp-5: 3.2rem;
  --sp-6: 5rem;
  --sp-7: 7.5rem;

  /* Layout */
  --max:  78rem;
  --gut:  clamp(1.25rem, 3vw, 2.5rem);

  /* Grid motif */
  --grid-size: 48px;
  --grid-dot:  rgba(255, 255, 255, 0.04);
  --grid-dot-strong: rgba(255, 255, 255, 0.07);
}

/* ---------- 2. Reset & base ---------- */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  font-weight: 400;
  font-feature-settings: "ss01", "cv01";
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; }
svg { height: auto; }

a {
  color: var(--paper);
  text-decoration-color: var(--border-strong);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 180ms ease, text-decoration-color 180ms ease;
}
a:hover { color: var(--signal); text-decoration-color: var(--signal); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--paper);
}

em { font-style: italic; color: var(--signal-soft); font-variation-settings: "opsz" 144; }
strong { color: var(--paper); font-weight: 500; }

p { margin: 0 0 1em; }

code, pre, kbd, samp, .mono {
  font-family: var(--font-mono);
  font-feature-settings: "zero", "ss01";
}

hr { border: 0; height: 1px; background: var(--border); margin: var(--sp-5) 0; }

/* Focus ring */
:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
  border-radius: 2px;
}

/* Selection */
::selection { background: var(--signal); color: var(--ink); }

/* ---------- 3. Utility: blueprint grid background ---------- */

.blueprint-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}
.blueprint-grid__dots {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(var(--grid-dot) 1px, transparent 1px),
    radial-gradient(var(--grid-dot-strong) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size), calc(var(--grid-size) * 6) calc(var(--grid-size) * 6);
  background-position: 0 0, 24px 24px;
  opacity: 0.7;
}
.blueprint-grid__vignette {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at top, transparent 0%, var(--ink) 80%),
    linear-gradient(180deg, rgba(10,12,15,0) 0%, rgba(10,12,15,0.85) 100%);
}

/* Page content sits above the grid */
.site-header, .main, .site-footer { position: relative; z-index: 1; }

/* ---------- 4. Monospace label ---------- */

.mono-label {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-dim);
  padding-left: 0;
  position: relative;
}
.mono-label a { color: inherit; text-decoration: none; }
.mono-label a:hover { color: var(--signal); }

/* ---------- 5. Site header / nav ---------- */

.site-header {
  padding: var(--sp-3) 0 0;
  background: linear-gradient(180deg, rgba(10,12,15,0.95), rgba(10,12,15,0.55) 80%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 50;
}
.site-header__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gut);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
}
.site-header__rule {
  max-width: var(--max);
  margin: var(--sp-3) auto 0;
  padding: 0 var(--gut);
  position: relative;
}
.site-header__rule::after {
  content: "";
  display: block;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 10%, var(--border) 90%, transparent);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--paper);
}
.site-brand:hover { color: var(--paper); }
.site-brand__mark {
  color: var(--signal);
  display: inline-flex;
  transition: transform 400ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.site-brand:hover .site-brand__mark { transform: rotate(90deg); }
.site-brand__wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1;
}
.site-brand__relisav {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  color: var(--paper);
}
.site-brand__edge {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-top: 0.15rem;
  letter-spacing: -0.01em;
}

/* Desktop nav */
.site-nav__list {
  display: flex;
  gap: var(--sp-3);
  list-style: none;
  padding: 0;
  margin: 0;
}
.site-nav__item a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  text-decoration: none;
  color: var(--paper-dim);
  font-size: 0.92rem;
  padding: 0.35rem 0;
  position: relative;
  transition: color 180ms ease;
}
.site-nav__item a:hover { color: var(--paper); }
.site-nav__num {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--paper-mute);
  letter-spacing: 0.1em;
}
.site-nav__item.is-active a { color: var(--paper); }
.site-nav__item.is-active a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -0.2rem;
  height: 1px;
  background: var(--signal);
}

/* Nav toggle (mobile) */
.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--paper);
  padding: 0.55rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  align-items: center;
  gap: 0.6rem;
  border-radius: 2px;
  transition: border-color 180ms ease, color 180ms ease;
}
.nav-toggle:hover { border-color: var(--signal); color: var(--signal); }
.nav-toggle__icon {
  display: inline-flex;
  flex-direction: column;
  gap: 3px;
}
.nav-toggle__icon span {
  display: block;
  width: 14px;
  height: 1px;
  background: currentColor;
}

@media (max-width: 800px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--ink-raised);
    border-bottom: 1px solid var(--border);
    padding: 0 var(--gut);
    /* Hidden by default — every mechanism lined up together so no single
       browser quirk (backdrop-filter stacking, subpixel overflow, etc.) can
       leak the menu through. */
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    transition:
      max-height 300ms ease,
      padding 300ms ease,
      opacity 220ms ease,
      visibility 0s linear 300ms;
  }
  .site-header.is-open .site-nav {
    max-height: 70vh;
    padding: var(--sp-3) var(--gut);
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    border-top: 1px solid var(--border);
    transition:
      max-height 300ms ease,
      padding 300ms ease,
      opacity 220ms ease,
      visibility 0s linear 0s;
  }
  .site-nav__list { flex-direction: column; gap: var(--sp-2); }
  .site-nav__item a { font-size: 1.05rem; padding: 0.5rem 0; }
}

/* ---------- 6. Main ---------- */

.main {
  max-width: var(--max);
  margin: 0 auto;
  padding: var(--sp-5) var(--gut) var(--sp-6);
}

/* ---------- 7. Hero ---------- */

.hero {
  padding-top: clamp(2rem, 8vh, 5rem);
  padding-bottom: var(--sp-6);
  position: relative;
}
.hero__meta {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-dim);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 0.5rem 0.85rem;
  background: rgba(17, 20, 24, 0.6);
}
.hero__meta-tag { color: var(--signal); }
.hero__meta-sep { color: var(--paper-mute); }

.hero__title {
  font-size: var(--hero);
  font-variation-settings: "opsz" 144, "wght" 400;
  line-height: 0.95;
  letter-spacing: -0.025em;
  margin: var(--sp-3) 0 var(--sp-4);
  max-width: 18ch;
}
.hero__line {
  display: block;
  overflow: hidden;
}
.hero__line em {
  font-style: italic;
  font-variation-settings: "opsz" 144, "wght" 400, "SOFT" 100;
  color: var(--signal);
}

.hero__lead {
  max-width: 52ch;
  font-size: var(--step-1);
  color: var(--paper);
  line-height: 1.55;
}
.hero__lead strong {
  color: var(--paper);
  font-weight: 500;
  background: linear-gradient(180deg, transparent 60%, rgba(255, 122, 51, 0.22) 60%);
  padding: 0 0.1em;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-4);
}

.hero__schematic {
  margin: var(--sp-5) 0 0;
  padding: 0;
  position: relative;
}
.hero__wave {
  width: 100%;
  height: clamp(120px, 16vw, 220px);
}
.hero__wave-path {
  stroke-dasharray: 2600;
  stroke-dashoffset: 2600;
  animation: draw 3.2s cubic-bezier(0.22, 0.61, 0.36, 1) 0.3s forwards,
             drift 18s linear 3.5s infinite;
}
.hero__wave-nodes circle {
  opacity: 0;
  animation: fadeIn 600ms ease 2.2s forwards;
}
.hero__schematic-caption {
  display: flex;
  gap: 0.6rem;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-top: 0.4rem;
  padding-left: 0.25rem;
}

@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes drift {
  0%   { transform: translateX(0); }
  50%  { transform: translateX(-2%); }
  100% { transform: translateX(0); }
}
@keyframes fadeIn { to { opacity: 1; } }

/* ---------- 8. Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.78rem 1.15rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  background: transparent;
  color: var(--paper);
  cursor: pointer;
  transition: background 200ms ease, color 200ms ease, border-color 200ms ease, transform 200ms ease;
  position: relative;
}
.btn:hover { border-color: var(--signal); color: var(--signal); }
.btn__arrow { display: inline-block; transition: transform 220ms ease; }
.btn:hover .btn__arrow { transform: translateX(4px); }

.btn--signal {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
}
.btn--signal:hover {
  background: var(--signal-soft);
  border-color: var(--signal-soft);
  color: var(--ink);
}

.btn--ghost { background: rgba(17, 20, 24, 0.5); }

/* ---------- 9. Sections ---------- */

.section {
  padding: var(--sp-6) 0;
  position: relative;
}
.section + .section { border-top: 1px solid var(--border); }

.section__head {
  margin-bottom: var(--sp-5);
  max-width: 64ch;
}
.section__head--split {
  display: grid;
  gap: var(--sp-3);
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  max-width: none;
  align-items: end;
}
@media (max-width: 720px) { .section__head--split { grid-template-columns: 1fr; } }
.section__title {
  font-size: var(--step-4);
  margin-top: var(--sp-2);
  max-width: 22ch;
  letter-spacing: -0.02em;
}
.section__intro {
  color: var(--paper-dim);
  font-size: var(--step-1);
  margin-top: var(--sp-3);
  max-width: 62ch;
}
.section__more { margin-top: var(--sp-3); }

.more-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--signal);
  border-bottom: 1px dashed var(--border-strong);
  padding-bottom: 0.25rem;
}
.more-link:hover { border-bottom-color: var(--signal); }

/* Registration marks (section decoration) */
.regmarks {
  position: absolute;
  inset: 0;
  pointer-events: none;
  color: var(--border-strong);
}
.regmarks__mark { position: absolute; }
.regmarks__mark--tl { top: -9px;  left: -9px;  }
.regmarks__mark--tr { top: -9px;  right: -9px; }
.regmarks__mark--bl { bottom: -9px; left: -9px;  }
.regmarks__mark--br { bottom: -9px; right: -9px; }
.regmarks__label {
  position: absolute;
  top: -0.7rem;
  right: 1rem;
  background: var(--ink);
  padding: 0 0.5rem;
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-mute);
}

/* ---------- 10. Pillars ---------- */

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0;
  border: 1px solid var(--border);
  background: var(--ink-soft);
}
.pillar {
  padding: var(--sp-4);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  color: var(--paper);
  display: flex;
  flex-direction: column;
  min-height: 280px;
  overflow: hidden;
  transition: background 220ms ease;
}
.pillar:hover { background: var(--ink-raised); }
.pillar:hover .pillar__glyph { color: var(--signal); transform: translateY(-4px); }
.pillar:nth-last-child(-n+1),
.pillar:last-child { border-right: 0; border-bottom: 0; }
@media (max-width: 900px) {
  .pillar-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .pillar-grid { grid-template-columns: 1fr; }
  .pillar { border-right: 0; }
}
.pillar__head {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--sp-3);
}
.pillar__code {
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--signal);
  padding: 0.25rem 0.45rem;
  border: 1px solid var(--border-strong);
  border-radius: 2px;
}
.pillar__rule {
  flex: 1;
  height: 1px;
  background: var(--border);
}
.pillar__title {
  font-size: var(--step-2);
  margin-bottom: 0.4rem;
  font-variation-settings: "opsz" 72, "wght" 500;
}
.pillar__tagline {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
  margin-bottom: var(--sp-2);
}
.pillar__body {
  color: var(--paper-dim);
  font-size: 0.95rem;
  margin: 0 0 var(--sp-3);
  flex: 1;
}
.pillar__glyph {
  width: 80px;
  height: 40px;
  color: var(--paper-mute);
  margin-top: auto;
  transition: color 240ms ease, transform 240ms ease;
}

/* ---------- 11. Metrics ---------- */

.section--metrics { padding-top: 0; border-top: 0; }
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  border: 1px solid var(--border);
  background: var(--ink);
}
.metric {
  padding: var(--sp-4);
  border-right: 1px solid var(--border);
}
.metric:last-child { border-right: 0; }
@media (max-width: 720px) {
  .metrics { grid-template-columns: 1fr 1fr; }
  .metric:nth-child(2n) { border-right: 0; }
  .metric:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
}
.metric__value {
  font-family: var(--font-display);
  font-size: var(--step-5);
  line-height: 1;
  color: var(--signal);
  font-variation-settings: "opsz" 144, "wght" 400;
  letter-spacing: -0.02em;
}
/* Math operators inside metric values — Fraunces at opsz 144 renders `+`
   as a thin elongated cross whose horizontal crossbar collapses at actual
   screen size. We render operators in Geist instead, slightly reduced and
   raised, so the composition reads as an intentional pairing. */
.metric__op {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.62em;
  letter-spacing: 0;
  padding: 0 0.08em;
  vertical-align: 0.18em;
  color: var(--signal-soft);
}
.metric__unit {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-dim);
  margin: 0.4rem 0 0.8rem;
}
.metric__label {
  color: var(--paper-dim);
  font-size: 0.88rem;
}

/* ---------- 12. Journeys ---------- */

.journey-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-3);
}
@media (max-width: 900px) { .journey-grid { grid-template-columns: 1fr; } }

.journey {
  background: var(--ink-raised);
  border: 1px solid var(--border);
  padding: var(--sp-4);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: border-color 240ms ease, transform 240ms ease;
}
.journey::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  height: 2px;
  width: 0;
  background: var(--signal);
  transition: width 380ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.journey:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.journey:hover::before { width: 100%; }

.journey__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--sp-3);
  color: var(--paper-mute);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.journey__code { color: var(--signal); }
.journey__title {
  font-size: var(--step-3);
  margin-bottom: 0.4rem;
}
.journey__headline {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--step-1);
  color: var(--paper);
  margin: 0 0 var(--sp-2);
  font-variation-settings: "opsz" 72, "wght" 400;
}
.journey__body {
  color: var(--paper-dim);
  font-size: 0.95rem;
  margin-bottom: var(--sp-3);
}
.journey__actions {
  list-style: none;
  padding: 0;
  margin: auto 0 0;
  border-top: 1px dashed var(--border);
}
.journey__actions li { border-bottom: 1px dashed var(--border); }
.journey__actions li:last-child { border-bottom: 0; }
.journey__actions a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 0;
  text-decoration: none;
  color: var(--paper);
  font-size: 0.92rem;
}
.journey__actions a:hover { color: var(--signal); }
.journey__arrow {
  color: var(--paper-mute);
  font-family: var(--font-mono);
  transition: transform 200ms ease, color 200ms ease;
}
.journey__actions a:hover .journey__arrow { transform: translateX(4px); color: var(--signal); }

/* ---------- 13. Project table ---------- */

.project-table {
  width: 100%;
  border-collapse: collapse;
  border-top: 1px solid var(--border);
  font-size: 0.92rem;
}
.project-table th,
.project-table td {
  padding: var(--sp-3) var(--sp-2);
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}
.project-table th {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-mute);
  font-weight: 500;
  background: transparent;
}
.project-table__name {
  display: block;
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--paper);
  margin-bottom: 0.3rem;
  font-size: 0.95rem;
}
.project-table__body {
  display: block;
  color: var(--paper-dim);
  font-size: 0.88rem;
  max-width: 56ch;
}
.project-table tbody tr { transition: background 180ms ease; }
.project-table tbody tr:hover { background: var(--ink-raised); }
.project-table__langs { color: var(--paper-dim); font-size: 0.78rem; }

@media (max-width: 760px) {
  .project-table thead { display: none; }
  .project-table tr { display: grid; grid-template-columns: auto 1fr; gap: 0.25rem var(--sp-2); padding: var(--sp-3) 0; border-bottom: 1px solid var(--border); }
  .project-table td { padding: 0; border: 0; }
  .project-table td:nth-child(1) { grid-column: 1; color: var(--signal); font-size: 0.72rem; }
  .project-table td:nth-child(2) { grid-column: 2; }
  .project-table td:nth-child(3),
  .project-table td:nth-child(4),
  .project-table td:nth-child(5) { grid-column: 1 / -1; font-size: 0.78rem; }
}

/* ---------- 14. Status pills ---------- */

.status {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  color: var(--paper-dim);
}
.status--active {
  color: var(--success);
  border-color: rgba(143, 207, 125, 0.5);
  background: rgba(143, 207, 125, 0.08);
}
.status--incubating {
  color: var(--cyan);
  border-color: rgba(91, 215, 230, 0.45);
  background: rgba(91, 215, 230, 0.08);
}
.status--proposed {
  color: var(--signal);
  border-color: rgba(255, 122, 51, 0.5);
  background: rgba(255, 122, 51, 0.08);
}

/* ---------- 15. CTA band ---------- */

.cta {
  padding: var(--sp-5) var(--sp-4);
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(255, 122, 51, 0.04), rgba(91, 215, 230, 0.025)),
    var(--ink-raised);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta::before, .cta::after {
  content: "";
  position: absolute;
  width: 120%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--signal) 30%, var(--signal) 70%, transparent);
  opacity: 0.3;
}
.cta::before { top: 12px; left: -10%; }
.cta::after  { bottom: 12px; left: -10%; }
.cta__title {
  font-size: var(--step-4);
  max-width: 22ch;
  margin: var(--sp-2) auto var(--sp-4);
}
.cta__actions { display: inline-flex; flex-wrap: wrap; gap: var(--sp-2); justify-content: center; }

/* ---------- 16. Doc pages (about, participate, build, learn, contact) ---------- */

.doc {
  max-width: 68rem;
  margin: 0 auto;
  padding: var(--sp-5) 0 var(--sp-6);
  position: relative;
}
.doc__head {
  padding-bottom: var(--sp-4);
  margin-bottom: var(--sp-5);
  border-bottom: 1px solid var(--border);
  position: relative;
}
.doc__title {
  font-size: var(--step-5);
  margin: var(--sp-2) 0 var(--sp-3);
  letter-spacing: -0.02em;
  max-width: 20ch;
}
.doc__lede {
  font-size: var(--step-2);
  color: var(--paper);
  max-width: 58ch;
  line-height: 1.45;
  font-family: var(--font-display);
  font-variation-settings: "opsz" 144, "wght" 300;
  font-style: italic;
}

.doc__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  margin-top: var(--sp-3);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.doc__meta div { display: flex; gap: 0.4rem; }
.doc__meta dt { color: var(--paper-mute); }
.doc__meta dd { margin: 0; color: var(--paper-dim); }

/* ---------- 17. Prose (markdown content body) ---------- */

.prose {
  max-width: 64ch;
  font-size: var(--step-1);
  line-height: 1.7;
  color: var(--paper);
}
.prose > * + * { margin-top: 1.1em; }
.prose h2 {
  font-size: var(--step-3);
  margin-top: 2.4em;
  margin-bottom: 0.6em;
  position: relative;
  padding-left: 1.8rem;
  font-variation-settings: "opsz" 72, "wght" 500;
}
.prose h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 1.25rem;
  height: 1px;
  background: var(--signal);
}
.prose h3 {
  font-size: var(--step-2);
  margin-top: 2em;
  margin-bottom: 0.4em;
  color: var(--paper);
  font-variation-settings: "opsz" 72, "wght" 500;
}
.prose h4 {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-top: 2em;
  margin-bottom: 0.4em;
  font-weight: 500;
}
.prose p { margin: 0 0 1.1em; }
.prose ul, .prose ol { padding-left: 1.25rem; margin: 0 0 1.1em; }
.prose ul li, .prose ol li { margin-bottom: 0.55em; }
.prose ul li::marker { color: var(--signal); }
.prose ol li::marker { color: var(--paper-mute); font-family: var(--font-mono); font-size: 0.9em; }

.prose a {
  color: var(--signal);
  text-decoration-color: rgba(255, 122, 51, 0.35);
}
.prose a:hover { text-decoration-color: var(--signal); }

.prose blockquote {
  margin: 1.4em 0;
  padding: 0.5em 0 0.5em 1.2em;
  border-left: 2px solid var(--signal);
  color: var(--paper);
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--step-2);
  font-variation-settings: "opsz" 144, "wght" 300;
}

.prose code {
  background: var(--ink-raised);
  color: var(--cyan);
  padding: 0.12em 0.4em;
  border: 1px solid var(--border);
  border-radius: 2px;
  font-size: 0.88em;
}
.prose pre {
  background: var(--ink-raised);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: var(--sp-3);
  overflow: auto;
  font-size: 0.88rem;
  line-height: 1.55;
}
.prose pre code { background: transparent; border: 0; padding: 0; }

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.4em 0;
  font-size: 0.92rem;
}
.prose table th, .prose table td {
  border-bottom: 1px solid var(--border);
  padding: 0.65rem 0.8rem;
  text-align: left;
}
.prose table th {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-mute);
  font-weight: 500;
}

.prose hr {
  height: 1px;
  background: none;
  border: 0;
  border-top: 1px dashed var(--border);
  margin: 2em 0;
}

/* Callout (`> **Note:**` style handled inline via blockquote). We also provide a
   dedicated .callout class usable from raw HTML in markdown (unsafe:true). */
.callout {
  padding: var(--sp-3);
  border: 1px solid var(--border);
  background: var(--ink-raised);
  margin: 1.6em 0;
  position: relative;
}
.callout__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 0.5em;
}

/* Ruler divider */
.ruler {
  display: block;
  height: 12px;
  background-image: linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 8px 12px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  opacity: 0.7;
  margin: var(--sp-4) 0;
}

/* ---------- 18. Data tables rendered from YAML (cert ladder, members) ---------- */

.data-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border);
  margin: var(--sp-3) 0 var(--sp-4);
  font-size: 0.92rem;
  background: var(--ink-soft);
}
.data-table th,
.data-table td {
  padding: var(--sp-3);
  border-bottom: 1px solid var(--border);
  vertical-align: top;
  text-align: left;
}
.data-table thead th {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-mute);
  font-weight: 500;
  background: var(--ink);
}
.data-table tbody tr:hover { background: var(--ink-raised); }
.data-table__code {
  font-family: var(--font-mono);
  color: var(--signal);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}
.data-table__tier {
  font-family: var(--font-display);
  font-size: var(--step-1);
  color: var(--paper);
}
.data-table__name {
  display: block;
  color: var(--paper);
  margin-top: 0.2rem;
  font-size: 0.92rem;
  font-family: var(--font-mono);
}
.data-table ul {
  list-style: none;
  margin: 0; padding: 0;
  font-size: 0.85rem;
  color: var(--paper-dim);
}
.data-table ul li { padding: 0.25rem 0; position: relative; padding-left: 0.9rem; }
.data-table ul li::before {
  content: "+";
  position: absolute;
  left: 0;
  color: var(--signal);
  font-family: var(--font-mono);
}

/* ---------- 19. Member grid (value-chain) ---------- */

.member-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0;
  border: 1px solid var(--border);
  background: var(--ink);
  margin: var(--sp-3) 0 var(--sp-5);
}
.member {
  padding: var(--sp-3);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.member__code {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--signal);
}
.member__category {
  font-family: var(--font-display);
  font-size: var(--step-2);
  margin: 0.4rem 0 0.3rem;
  color: var(--paper);
  font-variation-settings: "opsz" 72, "wght" 500;
}
.member__examples {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--cyan);
  letter-spacing: 0.04em;
  margin-bottom: 0.6rem;
}
.member__body {
  color: var(--paper-dim);
  font-size: 0.92rem;
  margin: 0;
}

/* ---------- 20. Project list (for Build page) ---------- */

.project-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border: 1px solid var(--border);
  margin: var(--sp-3) 0 var(--sp-5);
}
.project-item {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: var(--sp-3);
  padding: var(--sp-3);
  border-bottom: 1px solid var(--border);
  align-items: start;
  transition: background 200ms ease;
}
.project-item:last-child { border-bottom: 0; }
.project-item:hover { background: var(--ink-raised); }
.project-item__code {
  font-family: var(--font-mono);
  color: var(--signal);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}
.project-item__tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--paper-mute);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-top: 0.3rem;
}
.project-item__name {
  font-family: var(--font-mono);
  color: var(--paper);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.3rem;
}
.project-item__body {
  color: var(--paper-dim);
  font-size: 0.92rem;
  margin: 0 0 0.5rem;
}
.project-item__meta {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
  align-items: center;
}
.project-item__langs {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}
.project-item__lang {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.2rem 0.45rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--paper-dim);
  letter-spacing: 0.04em;
}
@media (max-width: 700px) {
  .project-item { grid-template-columns: 1fr; }
}

/* ---------- 21. Journal ---------- */

.journal-list { margin-top: var(--sp-5); }
.journal-list__entries {
  list-style: none;
  padding: 0;
  margin: var(--sp-3) 0 0;
  border-top: 1px solid var(--border);
}
.journal-entry { border-bottom: 1px solid var(--border); }
.journal-entry__link {
  display: block;
  padding: var(--sp-4) 0;
  text-decoration: none;
  color: var(--paper);
  transition: padding 240ms ease;
}
.journal-entry__link:hover { padding-left: var(--sp-2); }
.journal-entry__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: var(--sp-2);
}
.journal-entry__date { color: var(--signal); }
.journal-entry__title {
  font-size: var(--step-3);
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}
.journal-entry__summary {
  color: var(--paper-dim);
  max-width: 64ch;
  margin: 0 0 var(--sp-2);
}
.journal-entry__more {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
}

.post {
  max-width: 60rem;
  margin: 0 auto;
  padding: var(--sp-5) 0 var(--sp-6);
}
.post__head {
  padding-bottom: var(--sp-4);
  margin-bottom: var(--sp-5);
  border-bottom: 1px solid var(--border);
  position: relative;
}
.post__title {
  font-size: var(--step-5);
  margin: var(--sp-2) 0 var(--sp-3);
  max-width: 22ch;
  letter-spacing: -0.02em;
}
.post__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin: var(--sp-3) 0;
}
.post__meta div { display: flex; gap: 0.4rem; }
.post__meta dd { margin: 0; color: var(--paper-dim); }
.post__lede {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--step-2);
  color: var(--paper);
  max-width: 56ch;
  margin-top: var(--sp-3);
  font-variation-settings: "opsz" 144, "wght" 300;
  line-height: 1.45;
}
.post__body { max-width: 64ch; margin: 0 auto; }
.post__foot {
  max-width: 64ch;
  margin: var(--sp-5) auto 0;
  padding-top: var(--sp-3);
  border-top: 1px dashed var(--border);
  color: var(--paper-dim);
}

.post-list {
  list-style: none;
  padding: 0;
  margin: var(--sp-3) 0 0;
}
.post-list__item a {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: var(--sp-3);
  padding: var(--sp-3) 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  color: var(--paper);
}
.post-list__date {
  font-size: 0.72rem;
  color: var(--signal);
  letter-spacing: 0.14em;
}
.post-list__title {
  font-family: var(--font-display);
  font-size: var(--step-2);
}
.post-list__desc {
  display: block;
  color: var(--paper-dim);
  font-size: 0.9rem;
  font-family: var(--font-body);
  margin-top: 0.4rem;
}
@media (max-width: 700px) {
  .post-list__item a { grid-template-columns: 1fr; }
}

/* ---------- 22. Contact page ---------- */

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--sp-4);
  margin: var(--sp-4) 0;
}
@media (max-width: 820px) { .contact { grid-template-columns: 1fr; } }

.contact__form {
  border: 1px solid var(--border);
  background: var(--ink-raised);
  padding: var(--sp-4);
}
.contact__form legend {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: var(--sp-3);
}
.contact__field { margin-bottom: var(--sp-3); }
.contact__field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-dim);
  margin-bottom: 0.4rem;
}
.contact__field input,
.contact__field textarea,
.contact__field select {
  width: 100%;
  background: var(--ink);
  border: 1px solid var(--border);
  color: var(--paper);
  padding: 0.7rem 0.85rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  border-radius: 2px;
  transition: border-color 180ms ease, background 180ms ease;
}
.contact__field textarea { min-height: 7rem; resize: vertical; font-family: var(--font-body); }
.contact__field input:focus,
.contact__field textarea:focus,
.contact__field select:focus { border-color: var(--signal); outline: none; }
.contact__captcha {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2);
  border: 1px dashed var(--border);
  margin-bottom: var(--sp-3);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--paper-dim);
  background: var(--ink);
}
.contact__captcha strong { color: var(--cyan); }

.contact__map {
  border: 1px solid var(--border);
  background: var(--ink-raised);
  min-height: 18rem;
  position: relative;
  overflow: hidden;
}
.contact__map-placeholder {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 0.5rem;
  color: var(--paper-mute);
}
.contact__map-placeholder::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(0deg, transparent 95%, var(--border) 95%),
    linear-gradient(90deg, transparent 95%, var(--border) 95%);
  background-size: 24px 24px;
  opacity: 0.4;
  pointer-events: none;
}
.contact__map-pin {
  color: var(--signal);
  font-size: 1.5rem;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 0 12px rgba(255, 122, 51, 0.4));
}
.contact__map-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  position: relative;
  z-index: 1;
}
.contact__coords {
  position: absolute;
  bottom: 0.75rem; left: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--paper-mute);
  z-index: 1;
}

/* ---------- 23. Site footer ---------- */

.site-footer {
  position: relative;
  border-top: 1px solid var(--border);
  padding: var(--sp-5) 0 var(--sp-4);
  margin-top: var(--sp-6);
  background: var(--ink);
}
.site-footer__rule {
  max-width: var(--max);
  margin: 0 auto var(--sp-4);
  padding: 0 var(--gut);
}
.site-footer__inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gut);
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--sp-4);
}
@media (max-width: 900px) {
  .site-footer__inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .site-footer__inner { grid-template-columns: 1fr; }
}
.site-footer__brand .mono-label,
.site-footer__col .mono-label { margin-bottom: var(--sp-2); }
.site-footer__wordmark {
  font-family: var(--font-display);
  font-size: var(--step-2);
  line-height: 1;
  margin: 0 0 var(--sp-2);
}
.site-footer__wordmark > span:first-child {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--paper);
}
.site-footer__edge {
  font-family: var(--font-display);
  font-size: var(--step-2);
  color: var(--signal);
  font-variation-settings: "opsz" 144, "wght" 400;
}
.site-footer__tag {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--paper-dim);
  max-width: 28ch;
  margin: 0 0 var(--sp-3);
  font-variation-settings: "opsz" 72, "wght" 400;
}
.site-footer__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.site-footer__meta div { display: flex; gap: 0.4rem; }
.site-footer__meta dd { margin: 0; color: var(--paper-dim); }
.site-footer__address {
  font-style: normal;
  color: var(--paper-dim);
  font-size: 0.92rem;
  line-height: 1.6;
}
.site-footer__address .mono {
  font-size: 0.82rem;
  color: var(--paper);
}
.site-footer__address a { color: var(--signal); text-decoration: none; }
.site-footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.site-footer__links li { margin-bottom: 0.5rem; }
.site-footer__links a {
  color: var(--paper-dim);
  text-decoration: none;
  font-size: 0.92rem;
}
.site-footer__links a:hover { color: var(--signal); }

.site-footer__baseline {
  max-width: var(--max);
  margin: var(--sp-5) auto 0;
  padding: var(--sp-3) var(--gut) 0;
  border-top: 1px dashed var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-mute);
  align-items: center;
}
.site-footer__baseline span[aria-hidden] { color: var(--border-strong); }

/* ---------- 24. Motion: scroll reveal ---------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 700ms cubic-bezier(0.2, 0.8, 0.2, 1),
              transform 700ms cubic-bezier(0.2, 0.8, 0.2, 1);
  transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* In-hero, the reveals cascade automatically on load */
.is-home .hero [data-reveal] {
  transition-delay: calc(var(--reveal-delay, 0ms) + 120ms);
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  [data-reveal] { opacity: 1; transform: none; }
  .hero__wave-path { stroke-dashoffset: 0 !important; animation: none !important; }
  .hero__wave-nodes circle { opacity: 1 !important; }
}

/* ---------- 25. Anchor scroll offset for sticky header ---------- */

:where(h2, h3, section)[id] { scroll-margin-top: 5rem; }

/* ---------- 26. Platform grid (section landing) ---------- */

.platform-grid-wrap { margin-top: var(--sp-5); }
.platform-grid-wrap .mono-label { margin-bottom: var(--sp-3); }

.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
  gap: var(--sp-3);
}

.platform-card {
  display: flex;
  flex-direction: column;
  padding: var(--sp-4);
  background: var(--ink-raised);
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--paper);
  position: relative;
  overflow: hidden;
  transition: border-color 240ms ease, transform 240ms ease, background 240ms ease;
}
.platform-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  height: 2px; width: 0;
  background: var(--signal);
  transition: width 400ms cubic-bezier(0.2, 0.8, 0.2, 1);
}
.platform-card:hover {
  border-color: var(--border-strong);
  background: var(--ink-soft);
  transform: translateY(-2px);
  color: var(--paper);
}
.platform-card:hover::before { width: 100%; }
.platform-card__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--sp-3);
}
.platform-card__num {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal);
}
.platform-card__arrow {
  font-family: var(--font-mono);
  color: var(--paper-mute);
  transition: transform 220ms ease, color 220ms ease;
}
.platform-card:hover .platform-card__arrow { transform: translateX(6px); color: var(--signal); }
.platform-card__title {
  font-family: var(--font-display);
  font-size: var(--step-3);
  font-variation-settings: "opsz" 72, "wght" 500;
  letter-spacing: -0.01em;
  margin: 0 0 var(--sp-2);
}
.platform-card__lede {
  color: var(--paper-dim);
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--step-1);
  line-height: 1.45;
  margin: 0 0 var(--sp-3);
  font-variation-settings: "opsz" 72, "wght" 400;
  flex: 1;
}
.platform-card__more {
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-top: auto;
  padding-top: var(--sp-2);
  border-top: 1px dashed var(--border);
}
.platform-card:hover .platform-card__more { color: var(--signal); }

/* ---------- 27. Sibling nav (platforms single) ---------- */

.sibling-nav {
  margin-top: var(--sp-6);
  position: relative;
}
.sibling-nav__rule {
  display: block;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border) 10%, var(--border) 90%, transparent);
  margin-bottom: var(--sp-4);
}
.sibling-nav__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--sp-3);
  align-items: center;
}
@media (max-width: 720px) {
  .sibling-nav__inner { grid-template-columns: 1fr; gap: var(--sp-2); }
  .sibling-nav__slot--up { order: 3; }
}
.sibling-nav__slot { min-width: 0; }
.sibling-nav__slot--prev { text-align: left; }
.sibling-nav__slot--up { text-align: center; }
.sibling-nav__slot--next { text-align: right; }
.sibling-nav__slot a {
  display: inline-flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: var(--sp-2);
  text-decoration: none;
  color: var(--paper);
  transition: color 180ms ease;
}
.sibling-nav__slot a:hover { color: var(--signal); }
.sibling-nav__dir {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-mute);
}
.sibling-nav__slot a:hover .sibling-nav__dir { color: var(--signal); }
.sibling-nav__label {
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-variation-settings: "opsz" 72, "wght" 400;
}

/* ---------- 28. Leadership ---------- */

.leadership-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: 0;
  border: 1px solid var(--border);
  background: var(--ink-soft);
  margin: var(--sp-3) 0 var(--sp-5);
}
.leader {
  padding: var(--sp-4);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  transition: background 220ms ease;
}
.leader:hover { background: var(--ink-raised); }

.leader__photo {
  position: relative;
  width: 120px;
  height: 120px;
  border: 1px solid var(--border-strong);
  background: var(--ink);
  overflow: hidden;
  flex-shrink: 0;
}
.leader__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.leader__photo-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(135deg, rgba(255, 122, 51, 0.1), rgba(91, 215, 230, 0.06)),
    var(--ink-raised);
  background-image:
    linear-gradient(0deg, transparent 95%, var(--border) 95%),
    linear-gradient(90deg, transparent 95%, var(--border) 95%);
  background-size: 12px 12px;
}
.leader__initials {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-variation-settings: "opsz" 144, "wght" 400;
  color: var(--signal);
  letter-spacing: 0;
}
.leader__code {
  position: absolute;
  bottom: 0.25rem;
  right: 0.25rem;
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-mute);
  background: var(--ink);
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--border);
}
.leader__body { min-width: 0; }
.leader__role {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 0.3rem;
}
.leader__name {
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-variation-settings: "opsz" 72, "wght" 500;
  letter-spacing: -0.01em;
  margin: 0 0 0.2rem;
}
.leader__affiliation {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--cyan);
  letter-spacing: 0.04em;
  margin-bottom: var(--sp-2);
}
.leader__bio {
  font-size: 0.9rem;
  color: var(--paper-dim);
  line-height: 1.55;
  margin: 0;
}
.leader__links {
  list-style: none;
  padding: 0;
  margin: var(--sp-2) 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}
.leader__links a {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--paper-mute);
  text-decoration: none;
}
.leader__links a:hover { color: var(--signal); }

/* ---------- 29. Organisation (member-logos) tiles ---------- */

.org-tier { margin-bottom: var(--sp-5); }
.org-tier__head {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-3);
}
.org-tier__label {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-dim);
}
.org-tier__rule {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border), transparent);
}
.org-tier__count {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--paper-mute);
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--border);
}

.org-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  gap: 0;
  border: 1px solid var(--border);
  background: var(--ink-soft);
}
.org-tile {
  aspect-ratio: 16 / 9;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: var(--sp-3);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  text-decoration: none;
  color: var(--paper);
  background: var(--ink-soft);
  transition: background 220ms ease, filter 220ms ease;
}
.org-tile:hover {
  background: var(--ink-raised);
  filter: none;
}
.org-tile img {
  max-width: 78%;
  max-height: 60%;
  object-fit: contain;
  filter: grayscale(0.4) brightness(0.95);
  transition: filter 220ms ease;
}
.org-tile:hover img { filter: grayscale(0) brightness(1); }

.org-tile__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  text-align: center;
  width: 100%;
}
.org-tile__placeholder-name {
  font-family: var(--font-display);
  font-size: var(--step-0);
  font-variation-settings: "opsz" 72, "wght" 500;
  color: var(--paper-dim);
  max-width: 18ch;
  line-height: 1.2;
}
.org-tile__placeholder-tag {
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  color: var(--paper-mute);
  padding: 0.15rem 0.45rem;
  border: 1px dashed var(--border-strong);
}
.org-tile:hover .org-tile__placeholder-tag { color: var(--signal); border-color: var(--signal); }

.org-tile__meta {
  position: absolute;
  top: 0.4rem;
  left: 0.5rem;
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  color: var(--paper-mute);
  opacity: 0.6;
}
.org-tile:hover .org-tile__meta { color: var(--signal); opacity: 1; }

/* ---------- 30. Upcoming events ---------- */

.event-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
  gap: 0;
  border: 1px solid var(--border);
  background: var(--ink-soft);
  margin-top: var(--sp-4);
}
.event-card {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: var(--sp-3);
  padding: var(--sp-4);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: background 220ms ease;
}
.event-card:hover { background: var(--ink-raised); }
.event-card__date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  border: 1px solid var(--border-strong);
  background: var(--ink);
  padding: var(--sp-2) 0;
  height: max-content;
}
.event-card__day {
  font-family: var(--font-display);
  font-size: 2rem;
  line-height: 1;
  font-variation-settings: "opsz" 96, "wght" 500;
  color: var(--signal);
}
.event-card__mon {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper);
  margin-top: 0.25rem;
}
.event-card__yr {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  color: var(--paper-mute);
  margin-top: 0.1rem;
}
.event-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: 0.5rem;
}
.event-card__kind { color: var(--cyan); }
.event-card__name {
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-variation-settings: "opsz" 72, "wght" 500;
  letter-spacing: -0.01em;
  margin: 0 0 0.4rem;
}
.event-card__desc {
  color: var(--paper-dim);
  font-size: 0.9rem;
  margin: 0 0 var(--sp-2);
  line-height: 1.55;
}
.event-card__link {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  text-decoration: none;
}
.event-card__link:hover { color: var(--signal-soft); }
@media (max-width: 560px) {
  .event-card { grid-template-columns: 1fr; }
  .event-card__date { flex-direction: row; gap: 0.5rem; width: max-content; padding: 0.4rem 0.8rem; }
  .event-card__day { font-size: 1.4rem; }
}

/* ---------- 31. News (latest journal) ---------- */

.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: 0;
  border: 1px solid var(--border);
  background: var(--ink-soft);
  margin-top: var(--sp-4);
}
.news-card {
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: background 220ms ease;
}
.news-card:hover { background: var(--ink-raised); }
.news-card__link {
  display: block;
  padding: var(--sp-4);
  text-decoration: none;
  color: var(--paper);
  height: 100%;
}
.news-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-bottom: var(--sp-2);
}
.news-card__meta span:first-child { color: var(--signal); }
.news-card__title {
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-variation-settings: "opsz" 72, "wght" 500;
  letter-spacing: -0.01em;
  margin: 0 0 0.5rem;
}
.news-card__summary {
  color: var(--paper-dim);
  font-size: 0.9rem;
  line-height: 1.55;
  margin: 0 0 var(--sp-3);
}
.news-card__more {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
}

/* ---------- 32. Credentials & badges (share to social) ---------- */

.badge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
  gap: 0;
  border: 1px solid var(--border);
  background: var(--ink-soft);
  margin: var(--sp-3) 0 var(--sp-4);
}
.badge {
  padding: var(--sp-4);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.badge__medal {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
}
.badge__tier {
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-variation-settings: "opsz" 72, "wght" 500;
  margin: 0;
}
.badge__code {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--signal);
  text-transform: uppercase;
}
.badge__share {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: var(--sp-2);
}
.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--paper-dim);
  border: 1px solid var(--border);
  padding: 0.35rem 0.6rem;
  transition: color 200ms ease, border-color 200ms ease, background 200ms ease;
}
.share-btn:hover { color: var(--paper); border-color: var(--border-strong); background: var(--ink-raised); }
.share-btn--linkedin:hover { color: var(--cyan); border-color: var(--cyan); }
.share-btn svg { width: 14px; height: 14px; display: block; }

/* ---------- 33. Use cases ---------- */

.usecase-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: 0;
  border: 1px solid var(--border);
  background: var(--ink-soft);
  margin: var(--sp-3) 0 var(--sp-5);
}
.usecase {
  padding: var(--sp-4);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.usecase__code {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
}
.usecase__title {
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-variation-settings: "opsz" 72, "wght" 500;
  margin: 0.4rem 0 0.3rem;
}
.usecase__body { color: var(--paper-dim); font-size: 0.9rem; margin: 0; line-height: 1.55; }

/* ---------- 34. Inline schematic figure ---------- */

.schematic-figure {
  margin: var(--sp-5) 0;
  border: 1px solid var(--border);
  background: var(--ink-soft);
  padding: var(--sp-4);
}
.schematic-figure svg { width: 100%; height: auto; }
.schematic-figure figcaption {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--paper-mute);
  margin-top: var(--sp-2);
  display: flex;
  gap: 0.6rem;
}
.schematic-figure figcaption span:first-child { color: var(--signal); }

/* ---------- 35. Member roster summary band + tile category ---------- */

.org-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  background: var(--ink-soft);
  margin: var(--sp-3) 0 var(--sp-5);
}
.org-summary__stat {
  padding: var(--sp-4);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.org-summary__stat:last-child { border-right: 0; }
.org-summary__num {
  font-family: var(--font-display);
  font-size: var(--step-4);
  line-height: 1;
  font-variation-settings: "opsz" 144, "wght" 500;
  color: var(--signal);
}
.org-summary__lbl {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-dim);
}
@media (max-width: 640px) {
  .org-summary { grid-template-columns: 1fr; }
  .org-summary__stat { border-right: 0; border-bottom: 1px solid var(--border); }
  .org-summary__stat:last-child { border-bottom: 0; }
}

.org-tile__cat {
  position: absolute;
  bottom: 0.4rem;
  left: 0.5rem;
  right: 0.5rem;
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper-mute);
  opacity: 0;
  transition: opacity 220ms ease;
  text-align: center;
}
.org-tile:hover .org-tile__cat { opacity: 0.85; color: var(--cyan); }