/* ============================================================
   TELCO-HEALTH · Design System
   A design language for telco-grade health infrastructure
   ============================================================ */

:root {
  /* Brand */
  --ink-900: #051829;
  --ink-800: #0A2540;
  --ink-700: #14365C;
  --ink-600: #1E4A7A;
  --ink-500: #2D6098;
  --ink-400: #4A7BB5;
  --ink-300: #7C9AC4;
  --ink-200: #B8C9DE;
  --ink-100: #E1E9F4;
  --ink-50:  #F3F6FB;

  /* Accents */
  --signal:   #FF6B35;   /* telecom energy */
  --signal-d: #E54A1A;
  --signal-l: #FFE4D6;
  --mint:     #2BB89E;   /* health vitality */
  --mint-d:   #1E8A75;
  --mint-l:   #D6F2EB;
  --gold:     #C99A3A;   /* premium gravitas */
  --amber:    #F5A623;   /* warning / focus */
  --rose:     #D44C6A;   /* critical */

  /* Surfaces */
  --bg:       #FFFFFF;
  --bg-alt:   #F7F9FC;
  --bg-deep:  #051829;
  --line:     #DCE4EE;
  --line-d:   #B8C9DE;

  /* Type */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;

  /* Layout */
  --max: 1240px;
  --gutter: clamp(20px, 4vw, 48px);
  --radius-sm: 6px;
  --radius:    10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  /* Shadow */
  --shadow-1: 0 1px 2px rgba(10, 37, 64, 0.06), 0 1px 1px rgba(10, 37, 64, 0.04);
  --shadow-2: 0 4px 12px rgba(10, 37, 64, 0.08), 0 2px 4px rgba(10, 37, 64, 0.04);
  --shadow-3: 0 12px 32px rgba(10, 37, 64, 0.10), 0 4px 8px rgba(10, 37, 64, 0.06);
  --shadow-signal: 0 8px 24px rgba(255, 107, 53, 0.25);

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --dur: 200ms;
}

/* ============================================================
   Reset & base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink-800);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--ink-700); text-decoration: none; transition: color var(--dur) var(--ease); }
a:hover { color: var(--signal); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.5em;
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}
h1 { font-size: clamp(2.2rem, 4.8vw, 3.8rem); font-weight: 800; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
h3 { font-size: clamp(1.3rem, 2.2vw, 1.7rem); }
h4 { font-size: 1.1rem; }
p  { margin: 0 0 1em; }

::selection { background: var(--signal); color: white; }

/* ============================================================
   Layout primitives
   ============================================================ */
.container { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: clamp(60px, 8vw, 110px) 0; }
.section--alt { background: var(--bg-alt); }
.section--ink { background: var(--ink-900); color: var(--ink-100); }
.section--ink h1, .section--ink h2, .section--ink h3 { color: white; }
.section--ink a { color: var(--ink-200); }
.section--ink a:hover { color: var(--signal); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-600);
  background: var(--ink-50);
  border: 1px solid var(--line);
  border-radius: 100px;
}
.eyebrow--signal { color: var(--signal-d); background: var(--signal-l); border-color: rgba(255,107,53,0.25); }
.eyebrow--mint   { color: var(--mint-d);   background: var(--mint-l);   border-color: rgba(43,184,158,0.25); }
.eyebrow--ink    { color: var(--ink-200);  background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.12); }

.lede {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  line-height: 1.55;
  color: var(--ink-600);
  max-width: 60ch;
}
.section--ink .lede { color: var(--ink-200); }

/* ============================================================
   Top utility bar
   ============================================================ */
.topbar {
  background: var(--ink-900);
  color: var(--ink-200);
  font-size: 0.82rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.topbar__inner {
  display: flex; justify-content: space-between; align-items: center;
  height: 38px; gap: 24px;
}
.topbar a { color: var(--ink-200); }
.topbar a:hover { color: white; }
.topbar__left, .topbar__right { display: flex; gap: 18px; align-items: center; }
.region-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 100px;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
  font-weight: 500;
}
.region-pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 3px rgba(43,184,158,0.25); }

/* ============================================================
   Header / Nav
   ============================================================ */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.92);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header__inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; gap: 32px;
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--ink-900); }
.brand:hover { color: var(--ink-900); }
.brand__mark {
  width: 36px; height: 36px; border-radius: 8px;
  background: linear-gradient(135deg, var(--ink-700) 0%, var(--ink-500) 50%, var(--signal) 100%);
  position: relative; flex-shrink: 0;
  display: grid; place-items: center;
  box-shadow: var(--shadow-2);
}
.brand__mark::after {
  content: ""; position: absolute; inset: 6px; border-radius: 4px;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.5), transparent 60%);
}
.brand__mark svg { position: relative; z-index: 1; }
.brand__name { font-weight: 800; font-size: 1.05rem; letter-spacing: -0.01em; line-height: 1.1; }
.brand__sub  { font-size: 0.7rem; font-weight: 500; color: var(--ink-500); letter-spacing: 0.08em; text-transform: uppercase; }

.nav { display: flex; gap: 4px; align-items: center; }
.nav a {
  padding: 10px 14px; border-radius: var(--radius-sm);
  font-size: 0.92rem; font-weight: 500; color: var(--ink-700);
}
.nav a:hover { background: var(--ink-50); color: var(--ink-900); }
.nav a.is-active { color: var(--ink-900); background: var(--ink-50); }

.cta-group { display: flex; gap: 10px; align-items: center; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: var(--radius-sm);
  font-size: 0.95rem; font-weight: 600; line-height: 1;
  border: 1px solid transparent; cursor: pointer;
  transition: all var(--dur) var(--ease);
  text-align: center; white-space: nowrap;
}
.btn--primary { background: var(--signal); color: white; box-shadow: var(--shadow-signal); }
.btn--primary:hover { background: var(--signal-d); color: white; transform: translateY(-1px); }
.btn--ink { background: var(--ink-900); color: white; }
.btn--ink:hover { background: var(--ink-800); color: white; transform: translateY(-1px); }
.btn--ghost { background: transparent; color: var(--ink-800); border-color: var(--line-d); }
.btn--ghost:hover { background: var(--ink-50); color: var(--ink-900); border-color: var(--ink-300); }
.btn--white { background: white; color: var(--ink-900); }
.btn--white:hover { background: var(--ink-50); color: var(--ink-900); }
.btn--lg { padding: 16px 28px; font-size: 1rem; }
.btn--sm { padding: 8px 14px; font-size: 0.85rem; }

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative; overflow: hidden;
  padding: clamp(80px, 10vw, 140px) 0 clamp(60px, 7vw, 100px);
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(255,107,53,0.10), transparent 60%),
    radial-gradient(900px 500px at 0% 0%, rgba(43,184,158,0.08), transparent 60%),
    linear-gradient(180deg, #FFFFFF 0%, #F7F9FC 100%);
}
.hero__grid {
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 60px; align-items: center;
}
.hero h1 .accent { color: var(--signal); }
.hero h1 .accent-mint { color: var(--mint-d); }
.hero__sub {
  font-size: clamp(1.1rem, 1.7vw, 1.3rem);
  color: var(--ink-600); max-width: 56ch; margin: 24px 0 36px;
}
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 40px; }
.hero__proof {
  display: flex; gap: 28px; flex-wrap: wrap;
  padding-top: 28px; border-top: 1px solid var(--line);
}
.proof-stat { min-width: 0; }
.proof-stat__num {
  font-size: 1.5rem; font-weight: 800; color: var(--ink-900); line-height: 1; letter-spacing: -0.02em;
}
.proof-stat__num .unit { color: var(--signal); font-size: 0.9em; }
.proof-stat__lbl {
  font-size: 0.78rem; color: var(--ink-500); margin-top: 6px;
  text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600;
}

/* Persona selector card */
.persona-card {
  background: white; border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 24px;
  box-shadow: var(--shadow-3);
  position: relative;
}
.persona-card__head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px;
}
.persona-card__title { font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-500); }
.persona-card__hint { font-size: 0.75rem; color: var(--ink-500); }
.persona-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.persona-tile {
  display: flex; flex-direction: column; align-items: flex-start; gap: 8px;
  padding: 14px; border: 1px solid var(--line); border-radius: var(--radius);
  text-align: left; cursor: pointer; background: white;
  transition: all var(--dur) var(--ease);
  min-height: 96px;
}
.persona-tile:hover { border-color: var(--signal); transform: translateY(-1px); box-shadow: var(--shadow-2); }
.persona-tile.is-active { border-color: var(--signal); background: linear-gradient(180deg, var(--signal-l) 0%, white 100%); }
.persona-tile__icon { width: 32px; height: 32px; border-radius: 8px; background: var(--ink-50); display: grid; place-items: center; color: var(--ink-700); }
.persona-tile.is-active .persona-tile__icon { background: var(--signal); color: white; }
.persona-tile__name { font-weight: 700; color: var(--ink-900); font-size: 0.95rem; }
.persona-tile__role { font-size: 0.78rem; color: var(--ink-500); }

.persona-summary {
  margin-top: 16px; padding: 16px; background: var(--bg-alt);
  border-radius: var(--radius); border-left: 3px solid var(--signal);
  font-size: 0.9rem; color: var(--ink-700); line-height: 1.5;
  min-height: 76px;
}
.persona-summary strong { color: var(--ink-900); }

/* ============================================================
   Section headers
   ============================================================ */
.section-head { max-width: 760px; margin-bottom: 56px; }
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { margin-top: 14px; }
.section-head .lede { margin-top: 16px; }

/* ============================================================
   "The shift" — network → orchestrator
   ============================================================ */
.shift {
  display: grid; grid-template-columns: 1fr auto 1fr; gap: 32px; align-items: stretch;
  margin-top: 24px;
}
.shift__panel {
  background: white; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 28px; box-shadow: var(--shadow-1);
}
.shift__panel--ink { background: linear-gradient(160deg, var(--ink-900) 0%, var(--ink-700) 100%); color: white; border: none; position: relative; overflow: hidden; }
.shift__panel--ink::before {
  content: ""; position: absolute; right: -60px; top: -60px; width: 240px; height: 240px;
  background: radial-gradient(circle, rgba(255,107,53,0.25) 0%, transparent 70%);
}
.shift__panel h3 { color: var(--ink-900); margin-bottom: 16px; }
.shift__panel--ink h3 { color: white; }
.shift__panel h3 .small { display: block; font-size: 0.85rem; font-weight: 500; color: var(--ink-500); margin-top: 4px; letter-spacing: 0; }
.shift__panel--ink h3 .small { color: var(--ink-200); }
.shift__list { list-style: none; padding: 0; margin: 0; }
.shift__list li {
  position: relative; padding: 10px 0 10px 28px;
  border-top: 1px solid var(--line); color: var(--ink-700); font-size: 0.95rem;
}
.shift__panel--ink .shift__list li { border-color: rgba(255,255,255,0.10); color: var(--ink-100); }
.shift__list li:first-child { border-top: none; }
.shift__list li::before {
  content: ""; position: absolute; left: 0; top: 16px;
  width: 16px; height: 2px; background: var(--ink-300);
}
.shift__panel--ink .shift__list li::before { background: var(--signal); }
.shift__arrow {
  display: grid; place-items: center; align-self: center;
  color: var(--signal);
}

/* ============================================================
   Revenue streams
   ============================================================ */
.revenue-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px;
}
.revenue-card {
  position: relative; background: white; border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 32px; overflow: hidden;
  transition: all var(--dur) var(--ease);
}
.revenue-card::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
  background: var(--signal);
}
.revenue-card--b::before { background: var(--mint); }
.revenue-card--c::before { background: var(--gold); }
.revenue-card--d::before { background: var(--ink-500); }
.revenue-card:hover { box-shadow: var(--shadow-3); transform: translateY(-2px); }
.revenue-card__tag {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--ink-500); margin-bottom: 12px;
}
.revenue-card__tag .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--signal); }
.revenue-card--b .revenue-card__tag .dot { background: var(--mint); }
.revenue-card--c .revenue-card__tag .dot { background: var(--gold); }
.revenue-card--d .revenue-card__tag .dot { background: var(--ink-500); }
.revenue-card h3 { color: var(--ink-900); margin-bottom: 8px; }
.revenue-card__sub { color: var(--ink-600); font-size: 0.95rem; margin-bottom: 20px; }
.revenue-card ul { list-style: none; padding: 0; margin: 0; }
.revenue-card li {
  padding: 8px 0 8px 24px; position: relative;
  font-size: 0.92rem; color: var(--ink-700);
  border-top: 1px dashed var(--line);
}
.revenue-card li:first-child { border-top: none; }
.revenue-card li::before {
  content: "→"; position: absolute; left: 0; top: 8px; color: var(--ink-400); font-weight: 600;
}
.revenue-card li strong { color: var(--ink-900); display: block; font-size: 0.92rem; margin-bottom: 2px; }
.revenue-card li span { color: var(--ink-500); font-size: 0.85rem; }

.revenue-foot {
  margin-top: 36px; padding: 20px 24px;
  background: var(--bg-alt); border-radius: var(--radius);
  display: flex; gap: 16px; align-items: flex-start;
  font-size: 0.92rem; color: var(--ink-600);
}
.revenue-foot svg { flex-shrink: 0; color: var(--mint); margin-top: 2px; }

/* ============================================================
   Architecture — 7 layers
   ============================================================ */
.arch {
  background: var(--ink-900);
  background:
    radial-gradient(800px 400px at 80% 20%, rgba(255,107,53,0.12), transparent 60%),
    radial-gradient(700px 500px at 10% 80%, rgba(43,184,158,0.10), transparent 60%),
    var(--ink-900);
  color: var(--ink-100);
  border-radius: var(--radius-xl);
  padding: 48px;
  margin-top: 32px;
}
.arch__head {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  margin-bottom: 24px;
}
.arch__title { color: white; font-size: 1.1rem; }
.arch__legend { display: flex; gap: 16px; font-size: 0.78rem; color: var(--ink-300); }
.arch__legend span { display: inline-flex; gap: 6px; align-items: center; }
.arch__legend .sw { width: 10px; height: 10px; border-radius: 2px; }

.layers { display: flex; flex-direction: column; gap: 8px; }
.layer {
  display: grid; grid-template-columns: 70px 1fr 240px 40px; gap: 20px; align-items: center;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius); padding: 16px 20px; cursor: pointer;
  transition: all var(--dur) var(--ease);
}
.layer:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.18); }
.layer.is-open { background: rgba(255,255,255,0.10); border-color: var(--signal); }
.layer__num {
  font-family: var(--font-mono); font-weight: 700; font-size: 0.9rem;
  color: var(--signal); letter-spacing: 0.04em;
}
.layer__core h4 { color: white; margin: 0 0 2px; font-size: 1.02rem; }
.layer__core p { margin: 0; color: var(--ink-300); font-size: 0.88rem; }
.layer__mods { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; }
.mod {
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 600;
  padding: 4px 8px; border-radius: 4px;
  background: rgba(43,184,158,0.12); color: var(--mint); border: 1px solid rgba(43,184,158,0.25);
}
.mod--ink { background: rgba(255,255,255,0.06); color: var(--ink-200); border-color: rgba(255,255,255,0.12); }
.mod--signal { background: rgba(255,107,53,0.12); color: var(--signal); border-color: rgba(255,107,53,0.25); }
.layer__chev { color: var(--ink-300); transition: transform var(--dur) var(--ease); justify-self: end; }
.layer.is-open .layer__chev { transform: rotate(90deg); color: var(--signal); }
.layer__detail {
  grid-column: 2 / -1;
  max-height: 0; overflow: hidden;
  transition: max-height 350ms var(--ease);
  font-size: 0.88rem; color: var(--ink-300);
}
.layer.is-open .layer__detail { max-height: 600px; padding-top: 14px; }
.layer__detail-grid {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px;
  padding-top: 14px; border-top: 1px solid rgba(255,255,255,0.10);
}
.layer__detail-grid h5 { color: var(--ink-200); font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; margin: 0 0 8px; font-weight: 600; }
.layer__detail-grid p { margin: 0; line-height: 1.5; }
.layer__detail ul { list-style: none; padding: 0; margin: 0; }
.layer__detail li { padding: 4px 0 4px 16px; position: relative; color: var(--ink-200); font-size: 0.85rem; }
.layer__detail li::before { content: "▸"; position: absolute; left: 0; color: var(--mint); }

@media (max-width: 900px) {
  .arch { padding: 24px; }
  .layer { grid-template-columns: 50px 1fr 36px; }
  .layer__mods { display: none; }
  .layer__detail-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Deployment models
   ============================================================ */
.deploy-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px;
}
@media (max-width: 1000px) { .deploy-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .deploy-grid { grid-template-columns: 1fr; } }
.deploy-card {
  background: white; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px 20px; position: relative;
  transition: all var(--dur) var(--ease);
}
.deploy-card:hover { border-color: var(--ink-300); box-shadow: var(--shadow-2); transform: translateY(-2px); }
.deploy-card__num {
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--ink-400);
  font-weight: 700; letter-spacing: 0.1em; margin-bottom: 12px;
}
.deploy-card h4 { font-size: 1.02rem; color: var(--ink-900); margin-bottom: 8px; }
.deploy-card p { font-size: 0.85rem; color: var(--ink-500); margin: 0; line-height: 1.5; }
.deploy-card__fit {
  margin-top: 16px; padding-top: 12px; border-top: 1px dashed var(--line);
  font-size: 0.78rem; color: var(--signal-d); font-weight: 600;
}

/* ============================================================
   Regions
   ============================================================ */
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 32px; border-bottom: 1px solid var(--line); padding-bottom: 0; }
.tab {
  padding: 12px 20px; font-size: 0.9rem; font-weight: 600; color: var(--ink-500);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  transition: all var(--dur) var(--ease);
}
.tab:hover { color: var(--ink-800); }
.tab.is-active { color: var(--ink-900); border-bottom-color: var(--signal); }
.tab-panel { display: none; }
.tab-panel.is-active { display: block; animation: fadeIn 280ms var(--ease); }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.region-grid {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: start;
}
@media (max-width: 900px) { .region-grid { grid-template-columns: 1fr; } }

.region-pane h3 { color: var(--ink-900); margin-bottom: 6px; }
.region-pane .region-context { color: var(--ink-500); font-size: 0.92rem; margin-bottom: 24px; }
.region-stat-row {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
  margin-bottom: 28px;
}
.region-stat {
  padding: 16px; background: var(--bg-alt); border-radius: var(--radius);
  border: 1px solid var(--line);
}
.region-stat__num { font-size: 1.4rem; font-weight: 800; color: var(--ink-900); line-height: 1; letter-spacing: -0.02em; }
.region-stat__num .unit { color: var(--signal); }
.region-stat__lbl { font-size: 0.78rem; color: var(--ink-500); margin-top: 6px; line-height: 1.35; }

.region-opps h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-500); margin-bottom: 12px; font-weight: 700; }
.region-opps ul { list-style: none; padding: 0; margin: 0 0 24px; }
.region-opps li {
  padding: 10px 0 10px 28px; position: relative;
  font-size: 0.92rem; color: var(--ink-700);
  border-top: 1px solid var(--line);
}
.region-opps li:first-child { border-top: none; }
.region-opps li::before {
  content: ""; position: absolute; left: 0; top: 18px; width: 16px; height: 2px; background: var(--signal);
}
.region-opps li strong { display: block; color: var(--ink-900); font-size: 0.92rem; margin-bottom: 2px; }
.region-opps li span { color: var(--ink-500); font-size: 0.85rem; }

.region-frame {
  background: var(--ink-900);
  background: linear-gradient(160deg, var(--ink-900) 0%, var(--ink-800) 100%);
  color: var(--ink-100); border-radius: var(--radius-lg); padding: 28px;
  position: sticky; top: 100px;
}
.region-frame h4 { color: white; font-size: 1.05rem; margin-bottom: 8px; }
.region-frame p { color: var(--ink-200); font-size: 0.9rem; margin-bottom: 20px; }
.regulator-list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.regulator-list span {
  font-size: 0.78rem; padding: 5px 10px; border-radius: 4px;
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12);
  color: var(--ink-100); font-weight: 500;
}
.region-frame .cite {
  padding: 14px; background: rgba(255,255,255,0.04); border-radius: var(--radius);
  font-size: 0.85rem; color: var(--ink-200); line-height: 1.55;
  border-left: 3px solid var(--signal);
}
.region-frame .cite strong { color: white; display: block; margin-bottom: 4px; font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; }

/* ============================================================
   Trust & compliance
   ============================================================ */
.trust-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
@media (max-width: 900px) { .trust-grid { grid-template-columns: 1fr; } }
.standards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.std {
  padding: 16px; background: white; border: 1px solid var(--line);
  border-radius: var(--radius); display: flex; align-items: center; gap: 12px;
}
.std__icon {
  width: 36px; height: 36px; border-radius: 8px; background: var(--ink-50);
  display: grid; place-items: center; color: var(--ink-700); flex-shrink: 0;
}
.std__name { font-weight: 700; color: var(--ink-900); font-size: 0.9rem; line-height: 1.2; }
.std__desc { color: var(--ink-500); font-size: 0.78rem; }
.trust-narr { font-size: 0.95rem; color: var(--ink-600); }
.trust-narr ul { list-style: none; padding: 0; margin: 20px 0 0; }
.trust-narr li { padding: 8px 0 8px 28px; position: relative; color: var(--ink-700); font-size: 0.92rem; }
.trust-narr li::before { content: "✓"; position: absolute; left: 0; color: var(--mint); font-weight: 700; }

/* ============================================================
   Pathway / timeline
   ============================================================ */
.pathway { position: relative; margin-top: 24px; }
.pathway::before {
  content: ""; position: absolute; left: 90px; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(180deg, var(--signal) 0%, var(--mint) 100%);
}
.phase { position: relative; padding-left: 130px; margin-bottom: 48px; }
.phase:last-child { margin-bottom: 0; }
.phase__when {
  position: absolute; left: 0; top: 0;
  width: 80px; font-family: var(--font-mono); font-size: 0.78rem; font-weight: 700;
  color: var(--signal); letter-spacing: 0.04em; text-align: right;
}
.phase__dot {
  position: absolute; left: 83px; top: 6px; width: 14px; height: 14px;
  background: var(--bg); border: 3px solid var(--signal); border-radius: 50%;
}
.phase--b .phase__when, .phase--b .phase__dot { color: var(--gold); border-color: var(--gold); }
.phase--c .phase__when, .phase--c .phase__dot { color: var(--mint); border-color: var(--mint); }
.phase__body { background: white; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; }
.phase__body h4 { margin-bottom: 6px; color: var(--ink-900); }
.phase__body p { color: var(--ink-600); font-size: 0.92rem; margin-bottom: 14px; }
.phase__list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; }
.phase__list div { font-size: 0.85rem; color: var(--ink-700); padding-left: 16px; position: relative; }
.phase__list div::before { content: "▸"; position: absolute; left: 0; color: var(--mint); }

@media (max-width: 700px) { .phase { padding-left: 90px; } .phase__when { width: 50px; font-size: 0.7rem; } .pathway::before { left: 60px; } .phase__dot { left: 53px; } .phase__list { grid-template-columns: 1fr; } }

/* ============================================================
   Evidence / pilots
   ============================================================ */
.evidence { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 32px; }
@media (max-width: 900px) { .evidence { grid-template-columns: 1fr; } }
.evidence-card {
  background: white; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 28px; position: relative; overflow: hidden;
}
.evidence-card--featured { background: linear-gradient(160deg, var(--ink-900) 0%, var(--ink-700) 100%); color: white; border: none; }
.evidence-card--featured h3 { color: white; }
.evidence-card--featured .ev-meta { color: var(--ink-200); }
.evidence-card--featured::before {
  content: ""; position: absolute; right: -40px; bottom: -40px; width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(255,107,53,0.2) 0%, transparent 70%);
}
.ev-tag { display: inline-block; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; padding: 4px 10px; border-radius: 100px; margin-bottom: 12px; }
.ev-tag--live { background: var(--mint-l); color: var(--mint-d); }
.ev-tag--design { background: rgba(255,255,255,0.12); color: var(--ink-100); }
.ev-tag--roadmap { background: var(--ink-100); color: var(--ink-700); }
.evidence-card h3 { font-size: 1.2rem; margin-bottom: 6px; }
.ev-meta { font-size: 0.85rem; color: var(--ink-500); margin-bottom: 16px; }
.evidence-card--featured .ev-meta { color: var(--ink-200); }
.evidence-card p { color: var(--ink-600); font-size: 0.92rem; margin-bottom: 18px; }
.evidence-card--featured p { color: var(--ink-100); }
.ev-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; padding-top: 18px; border-top: 1px solid var(--line); position: relative; }
.evidence-card--featured .ev-metrics { border-color: rgba(255,255,255,0.12); }
.ev-metric__num { font-size: 1.2rem; font-weight: 800; color: var(--ink-900); line-height: 1; letter-spacing: -0.02em; }
.evidence-card--featured .ev-metric__num { color: white; }
.ev-metric__num .unit { color: var(--signal); font-size: 0.85em; }
.ev-metric__lbl { font-size: 0.75rem; color: var(--ink-500); margin-top: 4px; }
.evidence-card--featured .ev-metric__lbl { color: var(--ink-200); }

/* ============================================================
   Team
   ============================================================ */
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 800px) { .team-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .team-grid { grid-template-columns: 1fr; } }
.team-card { background: white; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; }
.team-avatar {
  width: 56px; height: 56px; border-radius: 50%;
  background: linear-gradient(135deg, var(--ink-500) 0%, var(--signal) 100%);
  display: grid; place-items: center; color: white; font-weight: 700; font-size: 1.2rem;
  margin-bottom: 16px;
}
.team-card h4 { font-size: 1.05rem; color: var(--ink-900); margin-bottom: 2px; }
.team-card .role { font-size: 0.85rem; color: var(--signal-d); font-weight: 600; margin-bottom: 12px; }
.team-card p { font-size: 0.88rem; color: var(--ink-600); margin: 0; }
.team-card .creds { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--line); font-size: 0.78rem; color: var(--ink-500); }

/* ============================================================
   Engage / multi-track
   ============================================================ */
.engage-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
@media (max-width: 1000px) { .engage-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px)  { .engage-grid { grid-template-columns: 1fr; } }
.engage-card {
  background: white; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 28px 24px; display: flex; flex-direction: column;
  transition: all var(--dur) var(--ease);
}
.engage-card:hover { border-color: var(--signal); box-shadow: var(--shadow-3); transform: translateY(-2px); }
.engage-card__icon { width: 44px; height: 44px; border-radius: 10px; background: var(--ink-50); display: grid; place-items: center; color: var(--ink-700); margin-bottom: 16px; }
.engage-card h4 { color: var(--ink-900); margin-bottom: 6px; font-size: 1.1rem; }
.engage-card p { color: var(--ink-600); font-size: 0.88rem; margin-bottom: 18px; flex: 1; }
.engage-card ul { list-style: none; padding: 0; margin: 0 0 20px; }
.engage-card li { font-size: 0.82rem; color: var(--ink-500); padding: 4px 0 4px 16px; position: relative; }
.engage-card li::before { content: "•"; position: absolute; left: 0; color: var(--signal); }
.engage-card .btn { width: 100%; }

/* ============================================================
   Footer
   ============================================================ */
.footer { background: var(--ink-900); color: var(--ink-200); padding: 64px 0 32px; }
.footer__top { display: grid; grid-template-columns: 1.4fr repeat(4, 1fr); gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.08); }
@media (max-width: 900px) { .footer__top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .footer__top { grid-template-columns: 1fr; } }
.footer__brand .brand__name { color: white; }
.footer__brand .brand__sub { color: var(--ink-300); }
.footer__brand p { color: var(--ink-300); font-size: 0.88rem; margin-top: 16px; max-width: 38ch; }
.footer h5 { color: white; font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 16px; font-weight: 700; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer li { margin-bottom: 10px; }
.footer a { color: var(--ink-200); font-size: 0.88rem; }
.footer a:hover { color: white; }
.footer__bottom {
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px;
  padding-top: 24px; font-size: 0.82rem; color: var(--ink-300);
}
.footer__bottom .legal { display: flex; gap: 20px; flex-wrap: wrap; }

/* ============================================================
   Utility
   ============================================================ */
.text-center { text-align: center; }
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.divider { height: 1px; background: var(--line); margin: 32px 0; }

/* Focus */
:focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; border-radius: 4px; }

/* Print */
@media print {
  .header, .footer, .topbar, .cta-group, .tabs { display: none; }
  .section { padding: 24px 0; }
}