/* ========== BASE VARIABLES (unchanged) ========== */
:root {
  --brand-blue: #2979ff;
  --brand-blue-dim: #1a4fcc;
  --brand-orange: #ff9f43;
  --brand-gold: #c8922a;
  --brand-gold-dim: rgba(200,146,42,0.15);
  --brand-gold-border: rgba(200,146,42,0.35);
  --bg: #05080f;
  --card-bg: rgba(4,8,20,0.60);
  --card-bg-alt: rgba(4,8,20,0.50);
  --card-bg-hover: rgba(41,121,255,0.07);
  --border-subtle: rgba(41,121,255,0.10);
  --border-card: rgba(41,121,255,0.18);
  --border-card-hover: rgba(41,121,255,0.50);
  --border-card-dim: rgba(41,121,255,0.12);
  --grid-line: rgba(41,121,255,0.032);
  --text-primary: #ffffff;
  --text-muted: rgba(255,255,255,0.55);
  --text-faint: rgba(255,255,255,0.25);
  --text-dim: rgba(255,255,255,0.32);
  --text-nav: rgba(255,255,255,0.45);
  --text-back-link: rgba(255,255,255,0.35);
  --text-footer-link: rgba(255,255,255,0.35);
  --text-footer-active: rgba(255,255,255,0.75);
  --font-mono: 'Share Tech Mono', monospace;
  --font-display: 'Orbitron', monospace;
  --blue: var(--brand-blue);
  --blue-dim: rgba(41,121,255,0.12);
  --blue-glow: rgba(41,121,255,0.25);
  --cyan: #06b6d4;
  --green: #10b981;
  --text: #ffffff;
  --text2: rgba(255,255,255,0.55);
  --ease: cubic-bezier(0.4,0,0.2,1);
  --t-fast: 0.15s;
  --t-base: 0.25s;
  --r-sm: 6px;
  --r-md: 10px;
  --col-gap: 64px;
  --node-gap: 12px;
  --large-gap: 35px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-mono);
  overflow-x: hidden;
  min-height: 100vh;
}
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(41,121,255,0.15); border-radius: 2px; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }

/* ========== NAV ========== */
nav:not(.back-bar):not(.nav-lang):not(.footer-col) {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 40px; height: 64px;
  background-color: rgba(5,8,15,0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background-image: linear-gradient(var(--grid-line) 1px, transparent 1px), linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
  border-bottom: none;
}
.nav-logo { display: flex; align-items: center; text-decoration: none; flex-shrink: 0; }
.nav-logo img { width: 150px; height: 52px; object-fit: contain; display: block; }
.nav-right { display: flex; align-items: center; gap: 32px; }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links a { font-family: var(--font-mono); font-size: 10px; letter-spacing: 2.5px; text-transform: uppercase; color: var(--text-nav); text-decoration: none; transition: color 0.2s; white-space: nowrap; }
.nav-links a:hover { color: var(--text-primary); }
.nav-links a.nav-alliance { color: var(--brand-gold); letter-spacing: 2px; }
.nav-links a.nav-alliance:hover { color: #e8b040; }
.nav-sep { display: block; width: 3px; height: 3px; background: rgba(255,255,255,0.18); border-radius: 50%; flex-shrink: 0; }
.nav-lang { display: inline-flex; align-items: center; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08); padding: 2px 6px; border-radius: 4px; font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 1px; }
.lang-btn { background: none; border: none; color: rgba(255,255,255,0.4); padding: 4px 8px; cursor: pointer; text-transform: uppercase; transition: all 0.2s ease; position: relative; }
.lang-btn:hover { color: rgba(255,255,255,0.9); text-shadow: 0 0 8px rgba(255,255,255,0.5); }
.lang-btn.active { color: var(--brand-blue); text-shadow: 0 0 10px rgba(0,210,255,0.5); font-weight: 600; }
.lang-btn.active::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 3px; height: 3px; background: var(--brand-blue); border-radius: 50%; box-shadow: 0 0 6px #00d2ff; }
.lang-divider { width: 1px; height: 10px; background: rgba(255,255,255,0.15); display: inline-block; margin: 0 2px; }

/* ========== BACK BAR ========== */
.back-bar { position: relative; z-index: 1; max-width: 960px; margin: 0 auto; padding: 24px 40px 0; }
.back-link { font-family: var(--font-mono); font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--text-back-link); text-decoration: none; transition: color 0.2s; display: inline-flex; align-items: center; gap: 8px; }
.back-link:hover { color: var(--brand-blue); }

/* ========== PAGE ========== */
.sm-page { position: relative; z-index: 1; max-width: 1600px; margin: 0 auto; padding: 72px 40px 28px; }
.sm-header { margin-bottom: 64px; }
.sm-eyebrow { font-family: var(--font-mono); font-size: 11px; letter-spacing: 3px; text-transform: uppercase; color: var(--text-dim); margin-bottom: 14px; }
.sm-eyebrow span { color: var(--brand-blue); }
.sm-title { font-family: var(--font-display); font-size: clamp(36px, 5vw, 64px); font-weight: 900; letter-spacing: 2px; text-transform: uppercase; color: var(--text-primary); line-height: 1.1; margin-bottom: 12px; }
.sm-title-map { color: #64748b; }
.sm-lead { font-size: 15px; color: var(--text-muted); line-height: 1.6; }

/* ========== DIAGRAM ========== */
.sm-diagram-wrap { position: relative; padding-bottom: 16px; }
.sm-svg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 2; overflow: visible; }
.sm-columns { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0 var(--col-gap); align-items: start; }
.sm-col { display: flex; flex-direction: column; gap: var(--node-gap); }

/* Larger gap from main header to first sub-node */
.sm-col > .sm-col-header + .sm-node,
.sm-col > .sm-utilities-root + .sm-node {
  margin-top: calc(var(--large-gap) - var(--node-gap));
}

/* ========== COLUMN HEADERS ========== */
.sm-col-header { display: flex; align-items: center; gap: 9px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 2.5px; text-transform: uppercase; font-weight: 600; padding: 12px 16px; border-radius: var(--r-sm); margin-bottom: 4px; }
.sm-col-header i { font-size: 18px; }
.sm-col-header .ai-badge { display: inline-flex; align-items: center; padding: 1px 5px; font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase; font-style: normal; color: var(--brand-gold); border: 1px solid var(--brand-gold-border); background: var(--brand-gold-dim); line-height: 1; font-family: var(--font-mono); }
.sm-col-header--company  { color: #a78bfa;       background: rgba(167,139,250,0.07); border: 1px solid rgba(167,139,250,0.18); border-bottom: 2px solid rgba(167,139,250,0.4); }
.sm-col-header--services { color: var(--brand-blue); background: rgba(41,121,255,0.07);  border: 1px solid rgba(41,121,255,0.18);  border-bottom: 2px solid rgba(41,121,255,0.4); }
.sm-col-header--products { color: #10b981;       background: rgba(16,185,129,0.07);  border: 1px solid rgba(16,185,129,0.18);  border-bottom: 2px solid rgba(16,185,129,0.4); }
.sm-col-header--lab      { color: #06b6d4;       background: rgba(6,182,212,0.07);   border: 1px solid rgba(6,182,212,0.18);   border-bottom: 2px solid rgba(6,182,212,0.4); }

/* ========== NODES ========== */
.sm-node { display: flex; align-items: center; justify-content: center; padding: 11px 14px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.8px; text-transform: uppercase; text-decoration: none; text-align: center; border-radius: var(--r-sm); border: 1px solid transparent; transition: background var(--t-base), border-color var(--t-base), box-shadow var(--t-base), transform var(--t-fast); position: relative; overflow: hidden; min-height: 44px; width: 100%; }
.sm-node:hover { transform: translateY(-1px); }
.sm-node::after { content: ''; position: absolute; top: -100%; left: 0; width: 100%; height: 200%; background: linear-gradient(to bottom, transparent 0%, rgba(255,255,255,0.03) 50%, transparent 100%); transition: transform 0.5s ease; pointer-events: none; }
.sm-node:hover::after { transform: translateY(50%); }

/* Node colour variants */
.nd-company      { color: rgba(167,139,250,0.80); background: rgba(167,139,250,0.06); border-color: rgba(167,139,250,0.15); }
.nd-company:hover { color: #a78bfa; background: rgba(167,139,250,0.12); border-color: rgba(167,139,250,0.40); box-shadow: 0 0 14px rgba(167,139,250,0.15); }
.nd-legal        { color: rgba(167,139,250,0.40); background: rgba(167,139,250,0.03); border-color: rgba(167,139,250,0.10); font-size: 12px; }
.nd-legal:hover  { color: rgba(167,139,250,0.75); background: rgba(167,139,250,0.08); border-color: rgba(167,139,250,0.28); }

.sm-utilities-root { display: flex; align-items: center; gap: 10px; padding: 12px 16px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 2px; text-transform: uppercase; font-weight: 600; color: #a78bfa; background: rgba(167,139,250,0.09); border: 1px solid rgba(167,139,250,0.20); border-bottom: 2px solid rgba(167,139,250,0.35); border-radius: var(--r-sm); margin-top: 8px; width: 100%; }
.sm-utilities-root i { font-size: 12px; }

.nd-company-dim      { color: rgba(167,139,250,0.50); background: rgba(167,139,250,0.04); border-color: rgba(167,139,250,0.10); }
.nd-company-dim:hover { color: #a78bfa; background: rgba(167,139,250,0.10); border-color: rgba(167,139,250,0.30); }

.nd-services      { color: rgba(41,121,255,0.80); background: rgba(41,121,255,0.06); border-color: rgba(41,121,255,0.15); }
.nd-services:hover { color: var(--brand-blue); background: rgba(41,121,255,0.12); border-color: rgba(41,121,255,0.40); box-shadow: 0 0 14px rgba(41,121,255,0.15); }

.nd-products      { color: rgba(16,185,129,0.80); background: rgba(16,185,129,0.06); border-color: rgba(16,185,129,0.15); }
.nd-products:hover { color: #10b981; background: rgba(16,185,129,0.12); border-color: rgba(16,185,129,0.40); box-shadow: 0 0 14px rgba(16,185,129,0.15); }
.nd-product-em   { font-weight: 600; letter-spacing: 1.2px; }

.nd-lab      { color: rgba(6,182,212,0.80); background: rgba(6,182,212,0.06); border-color: rgba(6,182,212,0.15); }
.nd-lab:hover { color: #06b6d4; background: rgba(6,182,212,0.12); border-color: rgba(6,182,212,0.40); box-shadow: 0 0 14px rgba(6,182,212,0.15); }

/* ========== PILLAR NODES ========== */
.nd-pillar { display: flex; flex-direction: column; gap: 2px; align-items: center; justify-content: center; padding: 10px 12px; }
.pillar-tag  { font-size: 9px; letter-spacing: 2px; opacity: 0.45; line-height: 1; }
.pillar-name { font-size: 12px; font-weight: 600; letter-spacing: 1px; line-height: 1.3; text-align: center; }

.nd-p04      { color: rgba(41,121,255,0.80); background: rgba(41,121,255,0.08); border-color: rgba(41,121,255,0.22); border-style: solid; margin-top: 8px; }
.nd-p04:hover { color: var(--brand-blue); background: rgba(41,121,255,0.14); border-color: rgba(41,121,255,0.45); }

/* ========== SUB-GROUPS ========== */
.sm-sub-group { display: flex; flex-direction: column; gap: 3px; padding: 4px 0 4px 6px; width: 100%; }

.nd-lab-sub .sm-sub,
.nd-services-sub .sm-sub,
.nd-products-sub .sm-sub {
  display: block;
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  text-decoration: none;
  border-left: 1px dashed rgba(255,255,255,0.2);
  transition: all var(--t-base);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
}
.nd-lab-sub .sm-sub      { color: rgba(6,182,212,0.50);  border-left-color: rgba(6,182,212,0.20); }
.nd-lab-sub .sm-sub:hover { color: #06b6d4; background: rgba(6,182,212,0.06); border-left-color: #06b6d4; }
.nd-services-sub .sm-sub      { color: rgba(41,121,255,0.50); border-left-color: rgba(41,121,255,0.20); }
.nd-services-sub .sm-sub:hover { color: var(--brand-blue); background: rgba(41,121,255,0.06); border-left-color: var(--brand-blue); }
.nd-products-sub .sm-sub      { color: rgba(16,185,129,0.50); border-left-color: rgba(16,185,129,0.20); }
.nd-products-sub .sm-sub:hover { color: #10b981; background: rgba(16,185,129,0.06); border-left-color: #10b981; }

/* ========== LEGEND ========== */
.sm-legend { display: flex; justify-content: center; align-items: center; gap: 28px; flex-wrap: wrap; margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--border-subtle); }
.sm-legend-item { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 1px; color: var(--text-muted); }
.sm-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; display: inline-block; }
.sm-dot--purple { background: #a78bfa;        box-shadow: 0 0 6px rgba(167,139,250,0.5); }
.sm-dot--blue   { background: var(--brand-blue); box-shadow: 0 0 6px var(--blue-glow); }
.sm-dot--green  { background: #10b981;        box-shadow: 0 0 6px rgba(16,185,129,0.5); }
.sm-dot--teal   { background: #06b6d4;        box-shadow: 0 0 6px rgba(6,182,212,0.5); }
.sm-legend-line { display: inline-block; width: 36px; height: 1px; flex-shrink: 0; position: relative; }
.sm-legend-line--solid  { background: rgba(255,255,255,0.35); }
.sm-legend-line--solid::after  { content: ''; position: absolute; right: -1px; top: -3px; width: 0; height: 0; border-top: 3px solid transparent; border-bottom: 3px solid transparent; border-left: 5px solid rgba(255,255,255,0.35); }
.sm-legend-line--dashed { background: none; border-top: 1px dashed rgba(255,255,255,0.25); }
.sm-legend-line--dashed::after { content: ''; position: absolute; right: -1px; top: -3px; width: 0; height: 0; border-top: 3px solid transparent; border-bottom: 3px solid transparent; border-left: 5px solid rgba(255,255,255,0.25); }

/* ========== PILLAR COLOUR OVERRIDES ========== */
#sub-p01, #sub-p02, #sub-p03, #sub-p04, #sub-p05 {
  margin-top: calc(-1 * var(--node-gap));
}
#nd-p02, #nd-p02 .pillar-name { color: #06b6d4 !important; }
#nd-p02 { background: rgba(6,182,212,0.06) !important; border-color: rgba(6,182,212,0.2) !important; }
#nd-p02:hover { background: rgba(6,182,212,0.12) !important; border-color: rgba(6,182,212,0.4) !important; box-shadow: 0 0 14px rgba(6,182,212,0.15) !important; }
#sub-p02 .sm-sub       { color: rgba(6,182,212,0.50) !important; border-left-color: rgba(6,182,212,0.20) !important; }
#sub-p02 .sm-sub:hover { color: #06b6d4 !important; background: rgba(6,182,212,0.06) !important; border-left-color: #06b6d4 !important; }
#nd-p04, #nd-p04 .pillar-name { color: #06b6d4 !important; }
#nd-p04 { background: rgba(6,182,212,0.06) !important; border-color: rgba(6,182,212,0.2) !important; }
#nd-p04:hover { background: rgba(6,182,212,0.12) !important; border-color: rgba(6,182,212,0.4) !important; box-shadow: 0 0 14px rgba(6,182,212,0.15) !important; }
#sub-p04 .sm-sub       { color: rgba(6,182,212,0.50) !important; border-left-color: rgba(6,182,212,0.20) !important; }
#sub-p04 .sm-sub:hover { color: #06b6d4 !important; background: rgba(6,182,212,0.06) !important; border-left-color: #06b6d4 !important; }

/* ========== FOOTER ========== */
.site-footer { position: relative; z-index: 1; background: var(--bg); border-top: 1px solid var(--border-subtle); }
.footer-main { max-width: 1200px; margin: 0 auto; padding: 56px 10px 48px; display: grid; grid-template-columns: 1.9fr 1.1fr 1.1fr 0.85fr 1.35fr; gap: 40px clamp(20px, 2.5vw, 30px); align-items: start; }
.footer-col-label { font-family: var(--font-mono); font-size: 11px; letter-spacing: 3.5px; text-transform: uppercase; color: var(--brand-gold); margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.footer-col-label::after { content: ''; flex: 1; height: 1px; background: var(--brand-gold-border); opacity: 0.5; }

.footer-col-label--gap { margin-top: 24px; }
.footer-brand { display: flex; flex-direction: column; gap: 0; }
.footer-logo-row { display: flex; align-items: flex-end; gap: 10px; margin-bottom: 12px; }
.footer-logo-row .footer-logo { margin-bottom: 0; flex-shrink: 0; }
.footer-reg-block { display: flex; flex-direction: column; gap: 2px; padding-bottom: 6px; }
.footer-reg-block .footer-reg { margin-bottom: 0; line-height: 1.4; font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.8px; text-transform: uppercase; color: var(--text-faint); }
.footer-logo { display: block; text-decoration: none; margin-bottom: 12px; }
.footer-logo img { width: 150px; height: 52px; object-fit: contain; }
.footer-tagline { font-family: var(--font-mono); font-size: 11px; letter-spacing: 2px; text-transform: uppercase; color: var(--text-faint); margin-bottom: 16px; }
.footer-brand-desc { font-family: var(--font-mono); font-size: 13px; line-height: 1.9; color: var(--text-muted); margin-bottom: 24px; max-width: 360px; }
.footer-badges { display: flex; gap: 17px; flex-wrap: nowrap; align-items: center; }
.compliance-badge { width: 42px; height: 42px; flex-shrink: 0; opacity: 0.7; transition: opacity 0.2s; }
.compliance-badge:hover { opacity: 1; }
.footer-nav-list { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.footer-nav-list a { font-family: var(--font-mono); font-size: 13px; letter-spacing: 1px; color: var(--text-footer-link); text-decoration: none; transition: color 0.2s; display: inline-flex; align-items: center; gap: 8px; }
.footer-nav-list a:hover { color: rgba(255,255,255,0.85); }
.ai-tag { display: inline-flex; align-items: center; padding: 3px 8px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--brand-gold); border: 1px solid var(--brand-gold-border); background: var(--brand-gold-dim); line-height: 1; }
.footer-reach { display: flex; flex-direction: column; }
.footer-contact-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-contact-list li { display: flex; align-items: flex-start; gap: 10px; }
.contact-icon { font-size: 13px; color: rgba(41,121,255,0.55); margin-top: 1px; flex-shrink: 0; width: 14px; text-align: center; }
.contact-text { font-family: var(--font-mono); font-size: 13px; line-height: 1.65; color: rgba(255,255,255,0.40); transition: color 0.2s; }
.footer-contact-list li:hover .contact-text { color: rgba(255,255,255,0.7); }
.contact-text a { color: inherit; text-decoration: none; }
.footer-social-row { display: flex; align-items: center; gap: 18px; margin-top: 20px; }
.footer-social-icon { display: inline-flex; align-items: center; justify-content: center; font-size: 15px; color: rgba(255,255,255,0.30); text-decoration: none; transition: color 0.2s; line-height: 1; }
.footer-social-icon:hover { color: rgba(255,255,255,0.80); }
.cb-badge { font-family: 'Orbitron', sans-serif; font-weight: 700; font-size: 11px; letter-spacing: 0.5px; line-height: 1; user-select: none; }
.footer-bottom { border-top: 1px solid rgba(41,121,255,0.08); background: rgba(3,5,10,0.55); }
.footer-bottom-inner { max-width: 1200px; margin: 0 auto; padding: 16px 10px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-copy { font-family: var(--font-mono); font-size: 11px; letter-spacing: 1.8px; color: var(--text-faint); text-transform: uppercase; }
.footer-legal-links { display: flex; align-items: center; gap: 0; list-style: none; }
.footer-legal-links li { display: flex; align-items: center; }
.footer-legal-links a { font-family: var(--font-mono); font-size: 11px; letter-spacing: 1.8px; text-transform: uppercase; color: var(--text-faint); text-decoration: none; transition: color 0.2s; padding: 0 14px; }
.footer-legal-links a:hover { color: var(--brand-blue); }
.footer-legal-links li + li::before { content: '·'; color: rgba(255,255,255,0.10); }

@media (max-width: 960px) {
  .sm-svg { display: none; }
  .sm-columns { grid-template-columns: 1fr 1fr; gap: 32px; }
  .sm-col--lab, .sm-col--products { display: flex !important; }
  .sm-sub-group { padding-left: 16px; }
  .sm-sub-group .sm-sub { font-size: 11px; padding: 6px 10px; }
  .sm-legend { justify-content: center; gap: 20px; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-reach { grid-column: 1 / -1; }
}

/* Below 560px: single column */
@media (max-width: 560px) {
  .nav-links { display: none; }
  .sm-page { padding: 32px 16px 28px; }
  .sm-columns { grid-template-columns: 1fr; gap: 40px; }
  .sm-col-header { font-size: 16px; padding: 10px 12px; }
  .sm-node { font-size: 10px; padding: 8px 10px; min-height: 40px; }
  .sm-sub-group .sm-sub { font-size: 10px; padding: 5px 8px; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-bottom-inner { flex-direction: column; align-items: flex-start; gap: 10px; }
}