/* =============================================================
   MAP AIOT — Design System
   Editorial-technical · Light · Globe-orbit aesthetic
   Brand colors lifted from the MAP AIOT logo: electric blue + green
   ============================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300..900;1,9..144,300..900&family=Geist:wght@100..900&family=Geist+Mono:wght@100..900&display=swap');

:root {
  /* Surfaces — clean light with cool blue tint */
  --bg: #FFFFFF;
  --bg-1: #F7FAFD;
  --bg-2: #EEF3F9;
  --bg-3: #E3EAF3;
  --bg-4: #D4DEEB;
  --line: #DDE5EF;
  --line-2: #C2CEDD;

  /* Ink — deep navy from the logo background */
  --fg: #0A1A3E;
  --fg-2: #2A3958;
  --fg-3: #5C6884;
  --fg-4: #8993AD;
  --fg-5: #B1B9CC;

  /* Primary brand — electric blue from "MAP" */
  --signal: #1E7EE8;
  --signal-2: #1565C0;
  --signal-dim: rgba(30, 126, 232, 0.10);
  --signal-glow: rgba(30, 126, 232, 0.28);

  /* Secondary brand — vibrant green from "AiOT" */
  --accent: #4FB95C;
  --accent-2: #3D9F49;
  --accent-soft: rgba(79, 185, 92, 0.12);
  --accent-glow: rgba(79, 185, 92, 0.32);

  /* Deep navy for footer / contrast surfaces */
  --navy: #061230;
  --navy-2: #0B1A3E;

  --azure: #38A1FF;
  --rose: #E45F70;
  --amber: #E89A1F;

  /* Type */
  --font-display: 'Geist', system-ui, sans-serif;
  --font-body: 'Geist', system-ui, sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, monospace;
  --font-serif: 'Fraunces', Georgia, serif;

  /* Spacing scale (8px base) */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 24px;
  --s-6: 32px;
  --s-7: 48px;
  --s-8: 64px;
  --s-9: 96px;
  --s-10: 128px;
  --s-11: 192px;

  /* Layout */
  --container: 1320px;
  --container-narrow: 980px;
  --radius: 4px;
  --radius-lg: 10px;
  --radius-xl: 18px;

  --shadow-1: 0 1px 0 rgba(255, 255, 255, 0.7) inset, 0 20px 40px -24px rgba(10, 26, 62, 0.18);
  --shadow-glass: 0 0 0 1px rgba(10, 26, 62, 0.04) inset, 0 30px 60px -30px rgba(10, 26, 62, 0.16);
  --shadow-card: 0 1px 2px rgba(10, 26, 62, 0.04), 0 8px 24px -12px rgba(10, 26, 62, 0.08);
  --shadow-lift: 0 2px 6px rgba(10, 26, 62, 0.06), 0 20px 40px -20px rgba(30, 126, 232, 0.18);

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 400;
  font-feature-settings: 'ss01', 'ss02', 'cv11';
  letter-spacing: -0.005em;
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(10, 26, 62, 0.06) 1px, transparent 0);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black, transparent 75%);
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 15% 0%, rgba(30, 126, 232, 0.08), transparent 60%),
    radial-gradient(ellipse 60% 40% at 85% 100%, rgba(79, 185, 92, 0.06), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

main, header, footer, section { position: relative; z-index: 1; }

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

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

/* =============================================================
   TYPOGRAPHY
   ============================================================= */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--fg-3);
}
.eyebrow .dot { color: var(--signal); }
.eyebrow.signal { color: var(--signal); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.05;
}

.h-display {
  font-size: clamp(54px, 8.5vw, 132px);
  letter-spacing: -0.04em;
  line-height: 0.92;
  font-weight: 500;
}
.h-display em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 300;
  letter-spacing: -0.03em;
}
.h-1 { font-size: clamp(40px, 5.5vw, 76px); letter-spacing: -0.035em; line-height: 0.98; }
.h-1 em { font-family: var(--font-serif); font-style: italic; font-weight: 300; }
.h-2 { font-size: clamp(32px, 3.6vw, 52px); letter-spacing: -0.03em; }
.h-2 em { font-family: var(--font-serif); font-style: italic; font-weight: 300; }
.h-3 { font-size: clamp(22px, 2vw, 30px); letter-spacing: -0.02em; line-height: 1.15; }
.h-4 { font-size: 18px; letter-spacing: -0.015em; line-height: 1.3; }

.lead {
  font-size: clamp(17px, 1.4vw, 21px);
  line-height: 1.5;
  color: var(--fg-2);
  max-width: 56ch;
  letter-spacing: -0.01em;
}

.muted { color: var(--fg-3); }
.mono { font-family: var(--font-mono); letter-spacing: 0; }

/* =============================================================
   LAYOUT
   ============================================================= */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--s-5);
}
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 var(--s-5); }
.section { padding: var(--s-10) 0; }
.section-tight { padding: var(--s-8) 0; }

.section-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: var(--s-7);
  padding-bottom: var(--s-7);
  border-bottom: 1px solid var(--line);
  margin-bottom: var(--s-7);
}
.section-header .label .index {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-4);
  margin-bottom: var(--s-3);
  letter-spacing: 0.04em;
}
.section-header .label .signal-dot {
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 12px var(--signal-glow);
  margin-right: 6px;
  animation: pulse 2.4s var(--ease-in-out) infinite;
}
.section-header .label .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--signal);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

@media (max-width: 800px) {
  .section-header { grid-template-columns: 1fr; gap: var(--s-4); }
  .section { padding: var(--s-8) 0; }
}

/* =============================================================
   NAVIGATION
   ============================================================= */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: var(--s-4) 0;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(10, 26, 62, 0.08);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--s-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-5);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 17px;
  letter-spacing: -0.01em;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 17px;
  letter-spacing: -0.01em;
  transition: opacity .25s ease;
}
.brand:hover { opacity: 0.92; }

/* Brand mark: PNG logo at assets/logo.png */
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex-shrink: 0;
  height: 44px;
  width: 152px;
}
.brand-mark .brand-logo {
  display: block;
  height: 44px;
  width: auto;
  max-width: none;
  object-fit: contain;
  border-radius: 6px;
  transition: transform .35s var(--ease-out-expo);
  position: relative;
  z-index: 1;
}
.brand:hover .brand-mark .brand-logo { transform: scale(1.03); }

/* Footer logo (smaller) */
.footer .brand-mark, .footer .brand-mark .brand-logo { height: 38px; }
.footer .brand-mark { width: 132px; }

/* Hide the redundant text wordmark — the logo image already contains MAP AIOT */
.brand .brand-name { display: none; }

/* Legacy SVG fallback — kept for any older markup */
.brand-mark svg { position: relative; z-index: 1; width: 80%; height: 80%; display: block; }
.brand-mark .globe { fill: var(--accent); transition: fill .4s ease; }
.brand-mark .land  { fill: #FFFFFF; }
.brand-mark .ring  { fill: none; stroke: var(--signal); stroke-width: 1.4; transform-origin: 50% 50%; }
.brand-mark .ring-2 { stroke: var(--accent-2); opacity: 0.85; }
.brand-mark .node  { fill: var(--signal); }
.brand-mark .node-2 { fill: var(--accent); }
.brand:hover .brand-mark .ring { animation: orbit-spin 6s linear infinite; }
.brand:hover .brand-mark .ring-2 { animation: orbit-spin 10s linear infinite reverse; }
@keyframes orbit-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.brand .brand-name {
  display: inline-flex;
  align-items: baseline;
  gap: 0.18em;
  letter-spacing: -0.01em;
}
.brand .brand-name .map { color: var(--signal); font-weight: 600; }
.brand .brand-name .aiot { color: var(--accent-2); font-weight: 600; }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--s-7);
  list-style: none;
  font-size: 14px;
}
.nav-links a {
  color: var(--fg-2);
  transition: color 0.2s;
  position: relative;
}
.nav-links a:hover { color: var(--fg); }
.nav-links a.active { color: var(--signal); }
.nav-links a.active::before {
  content: '';
  position: absolute;
  left: -10px; top: 50%;
  width: 4px; height: 4px;
  background: var(--signal);
  border-radius: 50%;
  transform: translateY(-50%);
  box-shadow: 0 0 8px var(--signal-glow);
}
.nav-cta { display: flex; align-items: center; gap: var(--s-3); }

@media (max-width: 880px) {
  .nav-links { display: none; }
}

/* =============================================================
   BUTTONS
   ============================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 11px 18px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--fg);
  transition: all 0.2s var(--ease-out-expo);
  cursor: pointer;
  white-space: nowrap;
  box-shadow: var(--shadow-card);
}
.btn:hover { border-color: var(--line-2); background: var(--bg-1); transform: translateY(-1px); box-shadow: var(--shadow-lift); }
.btn-primary {
  background: linear-gradient(180deg, var(--signal), var(--signal-2));
  color: #FFFFFF;
  border-color: var(--signal-2);
  font-weight: 600;
  box-shadow: 0 1px 0 rgba(255,255,255,0.18) inset, 0 6px 16px -6px var(--signal-glow);
}
.btn-primary:hover {
  background: linear-gradient(180deg, var(--signal-2), #0F4FA6);
  box-shadow: 0 1px 0 rgba(255,255,255,0.2) inset, 0 10px 28px -8px var(--signal-glow);
  transform: translateY(-1px);
}
.btn-ghost { background: transparent; box-shadow: none; }
.btn-ghost:hover { background: var(--bg-1); box-shadow: var(--shadow-card); }
.btn-sm { padding: 7px 12px; font-size: 13px; }
.btn-lg { padding: 14px 22px; font-size: 15px; }

.btn .arrow { transition: transform 0.3s var(--ease-out-expo); display: inline-block; }
.btn:hover .arrow { transform: translateX(3px); }

.tlink {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fg);
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
  padding-bottom: 6px;
  transition: color 0.2s, border-color 0.2s;
}
.tlink:hover { color: var(--signal); border-color: var(--signal); }
.tlink .arrow { transition: transform 0.3s var(--ease-out-expo); }
.tlink:hover .arrow { transform: translate(3px, -3px); }

/* =============================================================
   HERO
   ============================================================= */
.hero {
  padding: var(--s-10) 0 var(--s-9);
  position: relative;
}
.hero-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-5);
  padding-bottom: var(--s-6);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.hero-meta .meta-cell { display: flex; align-items: center; gap: 8px; }
.hero-meta .meta-cell::before {
  content: '';
  width: 4px; height: 4px;
  background: var(--fg-5);
  border-radius: 50%;
  display: inline-block;
}
.hero-meta .meta-cell.live::before {
  background: var(--signal);
  box-shadow: 0 0 8px var(--signal-glow);
  animation: pulse 2s var(--ease-in-out) infinite;
}

.hero-title { padding-top: var(--s-3); }
.hero-title h1 { max-width: 16ch; }

.hero-sub {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--s-7);
  margin-top: var(--s-6);
  padding-top: var(--s-6);
  border-top: 1px solid var(--line);
}
.hero-sub .copy { color: var(--fg-2); font-size: 18px; line-height: 1.5; max-width: 48ch; }
.hero-sub .actions { display: flex; align-items: flex-end; justify-content: flex-end; gap: var(--s-3); flex-wrap: wrap; }

@media (max-width: 760px) {
  .hero-sub { grid-template-columns: 1fr; }
  .hero-sub .actions { justify-content: flex-start; }
  .hero-meta { flex-wrap: wrap; gap: var(--s-3); }
}

.hero-viz {
  margin-top: var(--s-8);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, #FFFFFF, var(--bg-1));
  padding: var(--s-5);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--s-5);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.hero-viz::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(30, 126, 232, 0.12), transparent 55%),
    radial-gradient(circle at 10% 100%, rgba(79, 185, 92, 0.08), transparent 55%);
  pointer-events: none;
}
.viz-stat {
  grid-column: span 3;
  position: relative;
  z-index: 1;
}
.viz-stat .v {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1;
}
.viz-stat .v em {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 300;
  color: var(--signal);
}
.viz-stat .l {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--s-3);
  display: flex; align-items: center; gap: 8px;
}
.viz-stat .l::before {
  content: '';
  width: 5px; height: 5px;
  background: var(--signal);
  border-radius: 50%;
}

@media (max-width: 760px) {
  .hero-viz { grid-template-columns: repeat(2, 1fr); }
  .viz-stat { grid-column: span 1; }
}

/* =============================================================
   GRIDS & CARDS
   ============================================================= */
.grid { display: grid; gap: var(--s-4); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-12 { grid-template-columns: repeat(12, 1fr); }

@media (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.card {
  position: relative;
  background: linear-gradient(180deg, #FFFFFF, var(--bg-1));
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--s-5);
  transition: border-color 0.3s ease, transform 0.3s var(--ease-out-expo), background 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  overflow: hidden;
  isolation: isolate;
  box-shadow: var(--shadow-card);
}
.card:hover {
  border-color: var(--signal);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}
/* Card pointer halo — radial follows the cursor */
.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    420px circle at var(--mx, 50%) var(--my, 0%),
    rgba(30, 126, 232, 0.18),
    rgba(79, 185, 92, 0.06) 35%,
    transparent 60%
  );
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 0;
}
.card:hover::before { opacity: 1; }
.card > * { position: relative; z-index: 1; }

.sol-card { min-height: 220px; }
.sol-card .code {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  letter-spacing: 0.1em;
}
.sol-card .code .badge {
  display: inline-block;
  border: 1px solid var(--line);
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 10px;
  margin-left: 6px;
}
.sol-card .name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-top: var(--s-2);
  line-height: 1.1;
}
.sol-card .desc {
  font-size: 14px;
  color: var(--fg-3);
  line-height: 1.5;
  margin-top: var(--s-2);
  flex: 1;
}
.sol-card .meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--s-3);
  padding-top: var(--s-3);
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.sol-card:hover .meta .go { color: var(--signal); }
.sol-card .meta .go .arrow { display: inline-block; transition: transform 0.3s var(--ease-out-expo); }
.sol-card:hover .meta .go .arrow { transform: translate(2px, -2px); }

.ind-card { min-height: 220px; display: flex; flex-direction: column; }
.ind-card .ind-sector {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--signal);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.ind-card .ind-name {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.025em;
  margin-top: var(--s-2);
  line-height: 1.1;
}
.ind-card .ind-needs {
  font-size: 13.5px;
  color: var(--fg-3);
  line-height: 1.5;
  margin-top: var(--s-3);
  flex: 1;
}
.ind-card .ind-codes {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-top: var(--s-3);
  padding-top: var(--s-3);
  border-top: 1px dashed var(--line);
}
.ind-card .code-chip {
  font-family: var(--font-mono);
  font-size: 10px;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 2px 6px;
  color: var(--signal);
  letter-spacing: 0.08em;
  background: var(--signal-dim);
  font-weight: 500;
}

/* =============================================================
   STAT BAR
   ============================================================= */
.statbar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #FFFFFF;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.statbar .item {
  padding: var(--s-5) var(--s-5);
  border-right: 1px solid var(--line);
  position: relative;
}
.statbar .item:last-child { border-right: none; }
.statbar .item .n {
  font-family: var(--font-display);
  font-size: clamp(32px, 3.6vw, 48px);
  letter-spacing: -0.03em;
  font-weight: 500;
  line-height: 1;
}
.statbar .item .n em { font-family: var(--font-serif); font-style: italic; font-weight: 300; color: var(--signal); }
.statbar .item .l {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: var(--s-3);
}

@media (max-width: 720px) {
  .statbar { grid-template-columns: repeat(2, 1fr); }
  .statbar .item { border-bottom: 1px solid var(--line); }
  .statbar .item:nth-child(2n) { border-right: none; }
  .statbar .item:nth-last-child(-n+2) { border-bottom: none; }
}

/* =============================================================
   FILTER CHIPS (global)
   ============================================================= */
.chip {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-3);
  padding: 6px 12px;
  border: 1px solid var(--line-2);
  border-radius: 100px;
  background: transparent;
  transition: all 0.2s ease;
  cursor: pointer;
  white-space: nowrap;
}
.chip:hover { color: var(--fg); border-color: var(--fg-4); }
.chip.active {
  color: var(--signal);
  border-color: var(--signal);
  background: var(--signal-dim);
}

/* =============================================================
   MATRIX
   ============================================================= */
.matrix-wrap {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #FFFFFF;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-card);
}
.matrix-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--s-4) var(--s-5);
  border-bottom: 1px solid var(--line);
  background: var(--bg-1);
  flex-wrap: wrap;
  gap: var(--s-3);
}
.matrix-toolbar .left, .matrix-toolbar .right {
  display: flex; align-items: center; gap: var(--s-3);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.matrix-toolbar button.chip {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-3);
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 100px;
  background: #FFFFFF;
  transition: all 0.2s ease;
  cursor: pointer;
  font-weight: 500;
}
.matrix-toolbar button.chip:hover { color: var(--signal); border-color: var(--signal); background: var(--signal-dim); }
.matrix-toolbar button.chip.active {
  color: #FFFFFF;
  border-color: var(--signal);
  background: var(--signal);
}

.matrix-scroller {
  overflow: auto;
  max-width: 100%;
}
.matrix {
  display: grid;
  grid-template-columns: minmax(220px, 1.4fr) repeat(14, minmax(50px, 1fr));
  min-width: 1000px;
  width: 100%;
}
.matrix .cell {
  padding: 14px 8px;
  border-bottom: 1px solid rgba(10, 26, 62, 0.06);
  border-right: 1px solid rgba(10, 26, 62, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-4);
  transition: background 0.2s, color 0.2s;
  position: relative;
  text-align: center;
}
.matrix .cell.header {
  background: var(--bg-1);
  border-bottom: 1px solid var(--line);
  color: var(--fg);
  font-weight: 500;
  cursor: pointer;
  letter-spacing: 0.06em;
  font-size: 12px;
  flex-direction: column;
  gap: 4px;
}
.matrix .cell.header .small {
  font-size: 9px;
  color: var(--fg-4);
  font-weight: 400;
}
.matrix .cell.header.row-header {
  justify-content: flex-start;
  text-align: left;
  padding: 14px 16px;
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: -0.01em;
  cursor: pointer;
}
.matrix .cell.header.row-header .sub {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-4);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 3px;
}
.matrix .cell.header.row-header > div { display: flex; flex-direction: column; }
.matrix .cell.header.col-header { padding: 16px 4px; }
.matrix .cell.header:hover { background: var(--bg-3); color: var(--signal); }
.matrix .cell.header.col-corner { background: var(--bg-1); cursor: default; }
.matrix .cell.header.col-corner:hover { background: var(--bg-1); color: var(--fg); }

/* ---- DATA CELLS — family-coloured + animated ---- */
.matrix .cell.data .dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--bg-4);
  border: 1px solid transparent;
  transition: all 0.35s var(--ease-out-expo);
  position: relative;
  z-index: 2;
}

/* IoT family — brand blue dots */
.matrix .cell.data.active[data-fam="IoT"] .dot {
  background: var(--signal);
  border-color: var(--signal-2);
  box-shadow:
    0 0 0 2px rgba(30, 126, 232, 0.16),
    0 0 14px var(--signal-glow);
  transform: scale(1.35);
}
/* Video family — brand green dots */
.matrix .cell.data.active[data-fam="Video"] .dot {
  background: var(--accent);
  border-color: var(--accent-2);
  box-shadow:
    0 0 0 2px rgba(79, 185, 92, 0.18),
    0 0 14px var(--accent-glow);
  transform: scale(1.35);
}

/* Active cells no longer pulse — calmer feel */
.matrix .cell.data.active::before { display: none; }

/* Cell hover */
.matrix .cell.data:hover { background: var(--bg-2); }
.matrix .cell.data:hover .dot { transform: scale(1.65); }

/* ---- CROSSHAIR ---- Row + column lighten when hovering any data cell */
.matrix.cross-r-1 .cell.data[data-r="1"],   .matrix.cross-c-1 .cell.data[data-c="1"]   { background: rgba(30, 126, 232, 0.05); }
.matrix.cross-r-2 .cell.data[data-r="2"],   .matrix.cross-c-2 .cell.data[data-c="2"]   { background: rgba(30, 126, 232, 0.05); }
.matrix.cross-r-3 .cell.data[data-r="3"],   .matrix.cross-c-3 .cell.data[data-c="3"]   { background: rgba(30, 126, 232, 0.05); }
.matrix.cross-r-4 .cell.data[data-r="4"],   .matrix.cross-c-4 .cell.data[data-c="4"]   { background: rgba(30, 126, 232, 0.05); }
.matrix.cross-r-5 .cell.data[data-r="5"],   .matrix.cross-c-5 .cell.data[data-c="5"]   { background: rgba(30, 126, 232, 0.05); }
.matrix.cross-r-6 .cell.data[data-r="6"],   .matrix.cross-c-6 .cell.data[data-c="6"]   { background: rgba(30, 126, 232, 0.05); }
.matrix.cross-r-7 .cell.data[data-r="7"],   .matrix.cross-c-7 .cell.data[data-c="7"]   { background: rgba(30, 126, 232, 0.05); }
.matrix.cross-r-8 .cell.data[data-r="8"],   .matrix.cross-c-8 .cell.data[data-c="8"]   { background: rgba(30, 126, 232, 0.05); }
.matrix.cross-r-9 .cell.data[data-r="9"],   .matrix.cross-c-9 .cell.data[data-c="9"]   { background: rgba(30, 126, 232, 0.05); }
.matrix.cross-r-10 .cell.data[data-r="10"], .matrix.cross-c-10 .cell.data[data-c="10"] { background: rgba(30, 126, 232, 0.05); }
.matrix.cross-r-11 .cell.data[data-r="11"], .matrix.cross-c-11 .cell.data[data-c="11"] { background: rgba(30, 126, 232, 0.05); }
.matrix.cross-r-12 .cell.data[data-r="12"], .matrix.cross-c-12 .cell.data[data-c="12"] { background: rgba(30, 126, 232, 0.05); }
.matrix.cross-r-13 .cell.data[data-r="13"], .matrix.cross-c-13 .cell.data[data-c="13"] { background: rgba(30, 126, 232, 0.05); }
.matrix.cross-r-14 .cell.data[data-r="14"], .matrix.cross-c-14 .cell.data[data-c="14"] { background: rgba(30, 126, 232, 0.05); }
.matrix.cross-r-15 .cell.data[data-r="15"] { background: rgba(30, 126, 232, 0.05); }

/* ---- HEADER COVERAGE BARS ---- A thin gradient bar showing coverage per row/col */
.matrix .cell.header .coverage-bar {
  display: block;
  height: 3px;
  background: var(--bg-3);
  border-radius: 100px;
  margin-top: 8px;
  overflow: hidden;
  position: relative;
}
.matrix .cell.header .coverage-bar > i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--signal), var(--accent));
  border-radius: inherit;
  transform: scaleX(var(--cov, 0));
  transform-origin: left;
  transition: transform 0.6s var(--ease-out-expo) 0.2s;
}
.matrix .cell.header.col-header .coverage-bar { width: 70%; margin: 6px auto 0; }
.matrix .cell.header .count-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--fg-4);
  letter-spacing: 0.06em;
  margin-top: 4px;
  font-weight: 400;
}
.matrix .cell.header.row-header .row-meta {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-4);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 4px;
}
.matrix .cell.header.row-header .row-meta .coverage-bar { flex: 1; margin-top: 0; }

/* Selection states */
.matrix.has-selection .cell.data:not(.highlighted) .dot { opacity: 0.18; }
.matrix.has-selection .cell.data.highlighted .dot {
  background: var(--signal);
  border-color: var(--signal-2);
  box-shadow: 0 0 0 3px rgba(30, 126, 232, 0.22), 0 0 22px var(--signal-glow);
  transform: scale(1.7);
}
.matrix.has-selection .cell.data.highlighted[data-fam="Video"] .dot {
  background: var(--accent);
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px rgba(79, 185, 92, 0.22), 0 0 22px var(--accent-glow);
}
.matrix.has-selection .cell.header.row-header.dimmed,
.matrix.has-selection .cell.header.col-header.dimmed { color: var(--fg-5); opacity: 0.45; }
.matrix.has-selection .cell.header.row-header.highlighted,
.matrix.has-selection .cell.header.col-header.highlighted { color: var(--signal); }
.matrix.has-selection .cell.header.row-header.highlighted .coverage-bar > i,
.matrix.has-selection .cell.header.col-header.highlighted .coverage-bar > i { transform: scaleX(1); }

/* ---- SVG CONNECTION ARC OVERLAY ---- */
.matrix-canvas { position: relative; }
.matrix-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 5;
  width: 100%;
  height: 100%;
}
/* Connection arcs — simple static stroke, no flowing animation */
.matrix-overlay path {
  fill: none;
  stroke: var(--signal);
  stroke-width: 1;
  stroke-linecap: round;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.matrix-overlay path.video { stroke: var(--accent); }
.matrix-overlay path.show { opacity: 0.32; }

/* ---- FLOATING TOOLTIP ---- */
.matrix-tip {
  position: fixed;
  z-index: 999;
  pointer-events: none;
  background: var(--navy);
  color: #FFFFFF;
  padding: 10px 14px;
  border-radius: 8px;
  box-shadow: 0 12px 36px -8px rgba(10, 26, 62, 0.45);
  font-size: 12.5px;
  line-height: 1.4;
  max-width: 280px;
  letter-spacing: -0.005em;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.15s ease, transform 0.2s var(--ease-out-expo);
}
.matrix-tip.on { opacity: 1; transform: translateY(0); }
.matrix-tip .tip-head {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #7FB7FF;
  margin-bottom: 3px;
}
.matrix-tip .tip-head .pill {
  background: rgba(30, 126, 232, 0.18);
  color: #7FB7FF;
  padding: 2px 6px;
  border-radius: 100px;
  font-size: 9px;
}
.matrix-tip .tip-head .pill.video { background: rgba(79, 185, 92, 0.18); color: #8FE099; }
.matrix-tip .tip-title { font-weight: 500; }
.matrix-tip .tip-strength {
  font-family: var(--font-mono);
  font-size: 10px;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.08em;
  margin-top: 2px;
  text-transform: uppercase;
}

/* ---- TOOLBAR : enhanced layout + search ---- */
.matrix-toolbar { gap: var(--s-3); }
.matrix-toolbar .middle {
  flex: 1;
  display: flex;
  justify-content: center;
  min-width: 200px;
}
.matrix-search {
  width: 100%;
  max-width: 320px;
  padding: 8px 14px 8px 32px;
  font-size: 12px;
  font-family: var(--font-body);
  background: #FFFFFF url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235C6884' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E") no-repeat 10px 50%;
  border: 1px solid var(--line);
  border-radius: 100px;
  color: var(--fg);
  letter-spacing: -0.005em;
  transition: all 0.2s ease;
}
.matrix-search:focus {
  outline: none;
  border-color: var(--signal);
  box-shadow: 0 0 0 3px var(--signal-dim);
}

/* ---- COVERAGE STRIP under toolbar ---- */
.matrix-coverage {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  padding: 10px var(--s-5);
  background: var(--bg-1);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.matrix-coverage .track {
  flex: 1;
  height: 4px;
  background: var(--bg-3);
  border-radius: 100px;
  overflow: hidden;
  position: relative;
  max-width: 360px;
}
.matrix-coverage .track > i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--signal), var(--accent));
  border-radius: inherit;
  transition: width 0.6s var(--ease-out-expo);
}
.matrix-coverage .v { color: var(--fg); font-weight: 500; }

/* Filtered-out cell fade */
.matrix .cell.filtered-out { opacity: 0.15; }

/* Headers — when filtered out, dim */
.matrix .cell.header.filtered-out { opacity: 0.3; pointer-events: none; }

.matrix-detail {
  border-top: 1px solid var(--line);
  padding: var(--s-5);
  background: var(--bg-1);
  min-height: 120px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: var(--s-5);
}
.matrix-detail .empty {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-4);
  letter-spacing: 0.06em;
  display: flex; align-items: center; gap: 8px;
}
.matrix-detail .empty::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--fg-5);
  border-radius: 50%;
}
.matrix-detail h4 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: var(--s-2);
}
.matrix-detail .label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--signal);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: var(--s-2);
}
.matrix-detail .body { color: var(--fg-3); font-size: 14px; line-height: 1.55; }
.matrix-detail .body a { color: var(--fg); border-bottom: 1px solid var(--line-2); }
.matrix-detail .body a:hover { color: var(--signal); border-color: var(--signal); }
.matrix-detail .body .chips { margin-top: var(--s-3); display: flex; gap: 6px; flex-wrap: wrap; }
.matrix-detail .body .chip {
  font-family: var(--font-mono);
  font-size: 10.5px;
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 4px 10px;
  color: var(--fg-2);
  letter-spacing: 0.06em;
  background: #FFFFFF;
  transition: all 0.2s ease;
  cursor: pointer;
  text-decoration: none;
}
.matrix-detail .body .chip:hover { border-color: var(--signal); color: var(--signal); background: var(--signal-dim); }

@media (max-width: 720px) {
  .matrix-detail { grid-template-columns: 1fr; }
}

/* =============================================================
   DETAIL PAGE LAYOUTS
   ============================================================= */
.detail-hero {
  padding: var(--s-9) 0 var(--s-7);
  border-bottom: 1px solid var(--line);
}
.detail-hero .breadcrumb {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--s-5);
  display: flex; align-items: center; gap: 8px;
}
.detail-hero .breadcrumb a { color: var(--fg-3); transition: color 0.2s; }
.detail-hero .breadcrumb a:hover { color: var(--signal); }
.detail-hero .breadcrumb .sep { color: var(--fg-5); }
.detail-hero .breadcrumb .current { color: var(--fg); }

.detail-hero h1 { max-width: 18ch; margin-bottom: var(--s-5); }
.detail-hero .tagline { font-size: clamp(18px, 1.5vw, 22px); color: var(--fg-2); max-width: 60ch; line-height: 1.45; }

.detail-meta-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: var(--s-7);
  padding-top: var(--s-5);
  border-top: 1px solid var(--line);
  gap: var(--s-5);
}
.detail-meta-strip .item .l {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-4);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.detail-meta-strip .item .v {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: -0.01em;
}
.detail-meta-strip .item .v.signal { color: var(--signal); }

@media (max-width: 720px) {
  .detail-meta-strip { grid-template-columns: repeat(2, 1fr); }
}

.detail-block {
  padding: var(--s-8) 0;
  border-bottom: 1px solid var(--line);
}
.detail-block:last-child { border-bottom: none; }
.detail-block-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
  gap: var(--s-7);
}
.detail-block-grid .title-col { position: sticky; top: 90px; align-self: start; }
.detail-block-grid h3 { font-size: clamp(28px, 3vw, 40px); letter-spacing: -0.025em; line-height: 1.05; }
.detail-block-grid h3 em { font-family: var(--font-serif); font-style: italic; font-weight: 300; }
.detail-block-grid .index-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-4);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--s-3);
}

@media (max-width: 880px) {
  .detail-block-grid { grid-template-columns: 1fr; gap: var(--s-5); }
  .detail-block-grid .title-col { position: static; }
}

.feature-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.feature-list .item {
  background: #FFFFFF;
  padding: var(--s-5);
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: var(--s-4);
  align-items: start;
  transition: background 0.2s;
}
.feature-list .item:hover { background: var(--bg-1); }
.feature-list .item .num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--signal);
  letter-spacing: 0.1em;
  margin-top: 4px;
}
.feature-list .item .h {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: -0.015em;
  line-height: 1.25;
}
.feature-list .item .b {
  color: var(--fg-3);
  font-size: 14px;
  line-height: 1.5;
  margin-top: 4px;
}

.bullet-list { display: grid; gap: var(--s-3); }
.bullet-list li {
  list-style: none;
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: var(--s-3);
  align-items: start;
  font-size: 15px;
  line-height: 1.5;
  color: var(--fg-2);
}
.bullet-list li::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--signal);
  border-radius: 50%;
  margin-top: 9px;
  box-shadow: 0 0 8px var(--signal-glow);
}

.tag-cloud { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 6px 12px;
  color: var(--fg-2);
  letter-spacing: 0.04em;
  background: #FFFFFF;
  transition: all 0.2s ease;
}
.tag:hover, a.tag:hover {
  border-color: var(--signal);
  color: var(--signal);
  background: var(--signal-dim);
}
a.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  cursor: pointer;
}
a.tag .tag-arrow {
  font-size: 9px;
  color: var(--fg-4);
  transition: color 0.2s ease, transform 0.2s ease;
}
a.tag:hover .tag-arrow { color: var(--signal); transform: translate(2px, -2px); }

/* =============================================================
   FAQ ACCORDION
   ============================================================= */
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: var(--s-5) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.015em;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .plus {
  width: 24px; height: 24px;
  border: 1px solid var(--line-2);
  border-radius: 50%;
  display: grid;
  place-items: center;
  position: relative;
  flex-shrink: 0;
  transition: all 0.3s var(--ease-out-expo);
}
.faq-item summary .plus::before,
.faq-item summary .plus::after {
  content: '';
  position: absolute;
  background: var(--fg-2);
  transition: transform 0.3s var(--ease-out-expo);
}
.faq-item summary .plus::before { width: 10px; height: 1px; }
.faq-item summary .plus::after { width: 1px; height: 10px; }
.faq-item[open] summary .plus { border-color: var(--signal); }
.faq-item[open] summary .plus::before { background: var(--signal); }
.faq-item[open] summary .plus::after { transform: rotate(90deg); opacity: 0; }
.faq-item .body {
  padding: 0 0 var(--s-5);
  color: var(--fg-3);
  font-size: 15px;
  line-height: 1.6;
  max-width: 72ch;
}

/* =============================================================
   CTA BAND
   ============================================================= */
.cta-band {
  padding: var(--s-9) var(--s-7);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, #FFFFFF, var(--bg-1));
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: var(--s-7);
  align-items: end;
  box-shadow: var(--shadow-card);
}
.cta-band::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 90% 100%, rgba(30, 126, 232, 0.16), transparent 55%),
    radial-gradient(circle at 10% 0%, rgba(79, 185, 92, 0.10), transparent 55%),
    repeating-linear-gradient(90deg, transparent 0, transparent 60px, rgba(10, 26, 62, 0.025) 60px, rgba(10, 26, 62, 0.025) 61px);
  pointer-events: none;
}
.cta-band > * { position: relative; z-index: 1; }
.cta-band h2 { max-width: 18ch; }
.cta-band h2 em { font-family: var(--font-serif); font-style: italic; font-weight: 300; }

@media (max-width: 720px) {
  .cta-band { grid-template-columns: 1fr; padding: var(--s-7) var(--s-5); }
}

/* =============================================================
   FOOTER · 5-column grid · dark navy (logo-inspired)
   ============================================================= */
.footer {
  padding: var(--s-9) 0 var(--s-6);
  margin-top: var(--s-10);
  background: linear-gradient(180deg, #0B1730 0%, #061230 60%, #04091F 100%);
  color: #C6D0E4;
  position: relative;
  overflow: hidden;
  border-top: none;
}
.footer::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 55% 45% at 12% 0%, rgba(30, 126, 232, 0.22), transparent 60%),
    radial-gradient(ellipse 45% 35% at 88% 100%, rgba(79, 185, 92, 0.14), transparent 60%);
}
.footer::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(30, 126, 232, 0.55) 30%, rgba(79, 185, 92, 0.45) 70%, transparent);
}
.footer .container { position: relative; z-index: 1; }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--s-7);
  margin-bottom: var(--s-7);
}
.footer .brand-block { max-width: 36ch; }
.footer .brand-block .brand { margin-bottom: var(--s-4); }
.footer .brand-block .tagline {
  color: rgba(198, 208, 228, 0.72);
  font-size: 14px;
  line-height: 1.55;
  letter-spacing: -0.005em;
}

.footer h5 {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: var(--s-4);
}
.footer ul {
  list-style: none;
  display: grid;
  gap: 10px;
  font-size: 14px;
  margin: 0;
  padding: 0;
}
.footer ul a {
  color: rgba(198, 208, 228, 0.9);
  transition: color 0.2s ease, padding-left 0.2s ease;
  letter-spacing: -0.005em;
  display: inline-block;
  position: relative;
}
.footer ul a:hover {
  color: #FFFFFF;
  padding-left: 8px;
}
.footer ul a::before {
  content: '→';
  position: absolute;
  left: -10px;
  top: 0;
  opacity: 0;
  color: var(--signal);
  transition: opacity 0.2s ease, left 0.2s ease;
}
.footer ul a:hover::before { opacity: 1; left: -4px; }

.footer-bottom {
  margin-top: var(--s-7);
  padding-top: var(--s-5);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--s-3);
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(198, 208, 228, 0.5);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Footer brand-mark sizing — slight brightness boost so PNG/SVG pops on dark */
.footer .brand-mark {
  height: 38px;
  width: 132px;
  filter: brightness(1.08) saturate(1.1);
}

@media (max-width: 980px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--s-6); }
  .footer .brand-block { grid-column: span 2; margin-bottom: var(--s-4); }
}
@media (max-width: 540px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer .brand-block { grid-column: span 1; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

/* New card-style footer markup hidden — keeping only the original 5-col grid */
.footer-card { display: none; }
.footer-backdrop { display: none; }
.footer-status, .footer-main, .footer-wordmark, .footer-legal { display: none; }

/* =============================================================
   UTILITIES & MOTION
   ============================================================= */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
.reveal[data-delay="4"] { transition-delay: 0.32s; }
.reveal[data-delay="5"] { transition-delay: 0.4s; }
.reveal[data-delay="6"] { transition-delay: 0.48s; }

.marquee {
  display: flex;
  gap: var(--s-7);
  white-space: nowrap;
  overflow: hidden;
  padding: var(--s-5) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}
.marquee-track {
  display: flex;
  gap: var(--s-7);
  animation: marquee 60s linear infinite;
  flex-shrink: 0;
}
.marquee-item {
  display: flex; align-items: center; gap: var(--s-3);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  flex-shrink: 0;
}
.marquee-item::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--signal);
  border-radius: 50%;
  flex-shrink: 0;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Sensor diagram */
.sensor-net {
  position: relative;
  height: 320px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, #FFFFFF, var(--bg-1)),
    radial-gradient(ellipse 50% 40% at 50% 50%, rgba(30, 126, 232, 0.06), transparent 70%);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.sensor-net svg { width: 100%; height: 100%; display: block; }
.sensor-net .node-bg { fill: #FFFFFF; stroke: var(--line-2); stroke-width: 1; }
.sensor-net .node-live { fill: var(--signal); }
.sensor-net .node-ring { fill: none; stroke: var(--signal); stroke-width: 1; opacity: 0.6; }
.sensor-net .link { stroke: var(--line-2); stroke-width: 1; fill: none; }
.sensor-net .link-live { stroke: var(--signal); stroke-width: 1.2; opacity: 0.7; stroke-dasharray: 3 4; animation: dash 8s linear infinite; }
.sensor-net .label { fill: var(--fg-4); font: 500 9px var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; }
@keyframes dash {
  to { stroke-dashoffset: -120; }
}

/* Form */
.form { display: grid; gap: var(--s-4); }
.form .field { display: grid; gap: 6px; }
.form .field label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.form input, .form textarea, .form select {
  padding: 12px 14px;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 15px;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.form input:focus, .form textarea:focus, .form select:focus {
  outline: none;
  border-color: var(--signal);
  background: #FFFFFF;
  box-shadow: 0 0 0 4px var(--signal-dim);
}
.form textarea { min-height: 140px; resize: vertical; font-family: inherit; }
.form .row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-4); }
@media (max-width: 600px) { .form .row-2 { grid-template-columns: 1fr; } }

/* Resources card */
.res-card {
  display: grid;
  gap: var(--s-3);
  padding: var(--s-5);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #FFFFFF;
  transition: border-color 0.3s, transform 0.3s var(--ease-out-expo), box-shadow 0.3s;
  min-height: 220px;
  box-shadow: var(--shadow-card);
}
.res-card:hover { border-color: var(--signal); transform: translateY(-2px); box-shadow: var(--shadow-lift); }
.res-card .kind {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--signal);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.res-card .h {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.res-card .meta {
  margin-top: auto;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-4);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding-top: var(--s-3);
  border-top: 1px dashed var(--line);
}

/* Office card */
.office-card {
  padding: var(--s-5);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #FFFFFF;
  box-shadow: var(--shadow-card);
}
.office-card .city {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.02em;
}
.office-card .role {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--signal);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: var(--s-3);
}
.office-card .addr {
  font-size: 13px;
  color: var(--fg-3);
  line-height: 1.5;
  margin-top: var(--s-3);
  padding-top: var(--s-3);
  border-top: 1px dashed var(--line);
  white-space: pre-line;
}

@media (max-width: 720px) { .hide-mobile { display: none !important; } }

/* =============================================================
   INTERACTIVE ENHANCEMENTS — light theme polish
   ============================================================= */

/* Scroll progress bar at the very top of the page */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: 2px;
  z-index: 200;
  pointer-events: none;
  background: transparent;
}
.scroll-progress::after {
  content: '';
  display: block;
  height: 100%;
  width: var(--p, 0%);
  background: linear-gradient(90deg, var(--signal) 0%, var(--accent) 100%);
  box-shadow: 0 0 8px var(--signal-glow);
  transition: width 0.05s linear;
}

/* Cursor spotlight — disabled (kept selector for back-compat, hidden) */
.cursor-glow { display: none !important; }

/* Magnetic & tilt — disabled. Buttons keep a clean translate on hover only. */
.btn-primary, .btn.btn-lg { transition: background 0.2s, box-shadow 0.25s ease, border-color 0.2s, transform 0.18s ease; }
.card.tilt { transform-style: flat; perspective: none; }
.card::after { display: none; }

/* Count-up number reveal */
[data-counter] {
  display: inline-block;
  transition: opacity 0.4s ease;
}

/* Cell ripple — removed for a calmer interaction */
.matrix .cell.data { position: relative; }
.matrix .cell.data::after { display: none; }

/* Solution/industry card hover — quiet colour shift, no gradient text */
.sol-card:hover .name, .ind-card:hover .ind-name { color: var(--signal); transition: color 0.2s ease; }

/* Nav links — plain flat underline on hover */
.nav-links a { position: relative; padding-bottom: 2px; }
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0;
  bottom: -2px;
  height: 1px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s ease;
}
.nav-links a:hover::after,
.nav-links a.active::after { transform: scaleX(1); }

/* Statbar items — subtle background lift, no glow text effect */
.statbar .item { transition: background 0.25s ease; cursor: default; }
.statbar .item:hover { background: var(--bg-1); }

/* Hero viz — subtle bg only */
.viz-stat { padding: var(--s-3); border-radius: var(--radius); transition: background 0.25s ease; cursor: default; }
.viz-stat:hover { background: rgba(30, 126, 232, 0.04); }

/* CTA band button — no radial sheen */
.cta-band .btn-primary::before { display: none; }

/* Sensor net: subtle hover on whole panel */
.sensor-net { transition: box-shadow 0.4s ease; }
.sensor-net:hover { box-shadow: var(--shadow-lift); }

/* Marquee — pauses on hover; no colour shift on items */
.marquee:hover .marquee-track { animation-play-state: paused; }

/* Smooth reveal stagger for grid children */
.grid.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo);
}
.grid.reveal-stagger.in > *:nth-child(1) { transition-delay: 0.0s; }
.grid.reveal-stagger.in > *:nth-child(2) { transition-delay: 0.06s; }
.grid.reveal-stagger.in > *:nth-child(3) { transition-delay: 0.12s; }
.grid.reveal-stagger.in > *:nth-child(4) { transition-delay: 0.18s; }
.grid.reveal-stagger.in > *:nth-child(5) { transition-delay: 0.24s; }
.grid.reveal-stagger.in > *:nth-child(6) { transition-delay: 0.30s; }
.grid.reveal-stagger.in > *:nth-child(7) { transition-delay: 0.36s; }
.grid.reveal-stagger.in > *:nth-child(8) { transition-delay: 0.42s; }
.grid.reveal-stagger.in > * { opacity: 1; transform: translateY(0); }

/* Hero background — static soft tint, no float animation */
.hero { isolation: isolate; }
.hero::after {
  content: '';
  position: absolute;
  top: 80px; right: -120px;
  width: 480px; height: 480px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, rgba(30, 126, 232, 0.08), transparent 65%);
  filter: blur(50px);
  pointer-events: none;
  z-index: -1;
}

/* =============================================================
   MEGA MENU
   ============================================================= */
.nav-links { position: relative; }
.nav-links li.has-mega { position: static; }

.nav-links .caret {
  display: inline-block;
  font-size: 9px;
  margin-left: 4px;
  color: var(--fg-4);
  transition: transform 0.25s ease, color 0.25s ease;
}
.nav-links li.has-mega.open .caret,
.nav-links li.has-mega:focus-within .caret { transform: rotate(180deg); color: var(--signal); }

/* Clickable parent — show pointer */
.nav-links li.has-mega > a { cursor: pointer; }

.mega {
  position: absolute;
  top: calc(100% + 16px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  width: min(1180px, calc(100vw - 48px));
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow:
    0 1px 2px rgba(10, 26, 62, 0.04),
    0 30px 60px -20px rgba(10, 26, 62, 0.20),
    0 60px 120px -40px rgba(30, 126, 232, 0.15);
  padding: var(--s-7);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.3s var(--ease-out-expo), visibility 0s linear 0.25s;
  z-index: 90;
}
.nav-links li.has-mega.open > .mega,
.nav-links li.has-mega:focus-within > .mega {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
  transition: opacity 0.25s ease, transform 0.3s var(--ease-out-expo), visibility 0s;
}

/* Backdrop scrim shown when any mega is open */
.mega-scrim {
  position: fixed;
  inset: 0;
  background: rgba(10, 26, 62, 0.18);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  z-index: 85;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease;
}
.mega-scrim.on { opacity: 1; pointer-events: auto; }

.mega-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr) 1.2fr;
  gap: var(--s-7);
}

.mega-col h6 {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  color: var(--fg-4);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: var(--s-3);
  padding-bottom: var(--s-2);
  border-bottom: 1px dashed var(--line);
  display: flex;
  align-items: center;
  gap: 6px;
}
.mega-col h6::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 8px var(--signal-glow);
}
.mega-col h6:nth-of-type(2)::before,
.mega-col.green h6::before { background: var(--accent); box-shadow: 0 0 8px var(--accent-glow); }

.mega-col ul { list-style: none; display: grid; gap: 2px; }
.mega-col li a {
  display: block;
  padding: 8px 10px;
  margin: 0 -10px;
  font-size: 14px;
  font-weight: 450;
  color: var(--fg-2);
  border-radius: 6px;
  letter-spacing: -0.005em;
  line-height: 1.35;
  transition: background 0.18s ease, color 0.18s ease, padding 0.18s ease;
  position: relative;
}
.mega-col li a .meta {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-4);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 2px;
}
.mega-col li a:hover {
  background: var(--bg-1);
  color: var(--signal);
  padding-left: 14px;
}
.mega-col li a:hover .meta { color: var(--signal); }

.mega-feature {
  background:
    linear-gradient(180deg, #FFFFFF, var(--bg-1)),
    radial-gradient(circle at 80% 0%, var(--signal-dim), transparent 60%);
  background-blend-mode: normal;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--s-5);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  position: relative;
  overflow: hidden;
}
.mega-feature::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 90% 90%, rgba(30, 126, 232, 0.10), transparent 55%),
    radial-gradient(circle at 10% 10%, rgba(79, 185, 92, 0.06), transparent 55%);
  pointer-events: none;
}
.mega-feature > * { position: relative; z-index: 1; }
.mega-feature .tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--signal);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.mega-feature h4 {
  font-size: 18px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 500;
}
.mega-feature h4 em { font-family: var(--font-serif); font-style: italic; font-weight: 300; }
.mega-feature p { font-size: 13px; color: var(--fg-3); line-height: 1.5; margin-top: 4px; }
.mega-feature .tlink { margin-top: auto; padding-top: var(--s-4); border-bottom: none; border-top: 1px dashed var(--line); padding-bottom: 0; padding-top: 12px; }

@media (max-width: 1100px) {
  .mega-inner { grid-template-columns: repeat(2, 1fr); }
  .mega-feature { grid-column: span 2; }
}
@media (max-width: 880px) { .mega { display: none; } }

/* =============================================================
   COMPLIANCE SECTION (reusable)
   ============================================================= */
.compliance {
  padding: var(--s-9) 0;
  background:
    linear-gradient(180deg, var(--bg-1) 0%, #FFFFFF 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}
.compliance::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 50% 40% at 90% 0%, rgba(30, 126, 232, 0.06), transparent 60%),
    radial-gradient(ellipse 40% 30% at 10% 100%, rgba(79, 185, 92, 0.05), transparent 60%);
  pointer-events: none;
}
.compliance > * { position: relative; z-index: 1; }

.compliance-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: var(--s-8);
  align-items: start;
}

.compliance-intro h3 {
  font-size: clamp(26px, 2.6vw, 36px);
  letter-spacing: -0.025em;
  line-height: 1.05;
  font-weight: 500;
  margin-top: var(--s-4);
}
.compliance-intro h3 em { font-family: var(--font-serif); font-style: italic; font-weight: 300; }
.compliance-intro p {
  margin-top: var(--s-4);
  color: var(--fg-3);
  font-size: 15px;
  line-height: 1.55;
  max-width: 44ch;
}
.compliance-intro .meta-row {
  margin-top: var(--s-5);
  display: flex;
  gap: var(--s-5);
  padding-top: var(--s-4);
  border-top: 1px dashed var(--line);
  flex-wrap: wrap;
}
.compliance-intro .meta-row > div .l {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--fg-4);
  text-transform: uppercase;
}
.compliance-intro .meta-row > div .v {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 500;
  margin-top: 4px;
  color: var(--fg);
}
.compliance-intro .meta-row > div .v.s { color: var(--signal); }

.compliance-badges {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.compliance-badge {
  background: #FFFFFF;
  padding: var(--s-4) var(--s-4) var(--s-4) calc(var(--s-4) + 4px);
  display: grid;
  grid-template-columns: 44px 1fr;
  grid-template-rows: auto auto;
  grid-template-areas:
    "logo head"
    "logo meta";
  align-items: center;
  column-gap: var(--s-4);
  row-gap: 6px;
  position: relative;
  transition: background 0.25s ease;
  cursor: default;
}
.compliance-badge:hover { background: var(--bg-1); }
.compliance-badge .cb-logo {
  grid-area: logo;
  width: 44px;
  height: 44px;
  display: block;
  align-self: center;
  transition: transform 0.3s var(--ease-out-expo);
  filter: drop-shadow(0 2px 4px rgba(10, 26, 62, 0.12));
}
.compliance-badge:hover .cb-logo { transform: scale(1.06) rotate(-2deg); }
.compliance-badge .cb-head { grid-area: head; }
.compliance-badge .cb-meta { grid-area: meta; }
.compliance-badge .cb-name { grid-area: meta; }
.compliance-badge::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--signal);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.compliance-badge:hover::before { opacity: 1; }

.compliance-badge .cb-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.compliance-badge .cb-code {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--fg);
}
.compliance-badge .cb-status {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--accent-2);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 7px;
  background: var(--accent-soft);
  border-radius: 100px;
}
.compliance-badge .cb-name {
  font-size: 12.5px;
  color: var(--fg-3);
  line-height: 1.45;
}
.compliance-badge .cb-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--fg-4);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 2px;
}

@media (max-width: 980px) {
  .compliance-grid { grid-template-columns: 1fr; gap: var(--s-5); }
  .compliance-badges { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
  .compliance-badges { grid-template-columns: 1fr; }
}

/* =============================================================
   AI CHATBOT WIDGET — floating bottom-right
   ============================================================= */
.chatbot {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 150;
  font-family: var(--font-body);
}

/* FAB button */
.chatbot-fab {
  width: 58px; height: 58px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--signal), var(--signal-2));
  color: #FFFFFF;
  border: none;
  cursor: pointer;
  display: grid;
  place-items: center;
  box-shadow:
    0 4px 12px -2px rgba(30, 126, 232, 0.4),
    0 12px 32px -8px rgba(30, 126, 232, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
  position: relative;
}
.chatbot-fab:hover {
  transform: translateY(-1px);
  box-shadow:
    0 6px 16px -2px rgba(30, 126, 232, 0.5),
    0 16px 40px -10px rgba(30, 126, 232, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}
.chatbot-fab svg { width: 26px; height: 26px; display: block; }
.chatbot-fab .badge {
  position: absolute;
  top: -3px; right: -3px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid #FFFFFF;
  box-shadow: 0 0 0 2px rgba(79, 185, 92, 0.25);
}
.chatbot.open .chatbot-fab svg.icon-chat { display: none; }
.chatbot:not(.open) .chatbot-fab svg.icon-close { display: none; }

/* Panel */
.chatbot-panel {
  position: absolute;
  bottom: calc(100% + 14px);
  right: 0;
  width: min(380px, calc(100vw - 40px));
  height: 540px;
  max-height: calc(100vh - 110px);
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow:
    0 4px 12px -2px rgba(10, 26, 62, 0.08),
    0 32px 64px -16px rgba(10, 26, 62, 0.18),
    0 60px 120px -40px rgba(30, 126, 232, 0.18);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(8px) scale(0.98);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.25s var(--ease-out-expo);
  transform-origin: bottom right;
}
.chatbot.open .chatbot-panel {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

/* Header */
.chatbot-head {
  padding: 14px 16px;
  background: var(--navy);
  color: #FFFFFF;
  display: grid;
  grid-template-columns: 36px 1fr auto;
  gap: 12px;
  align-items: center;
  position: relative;
}
.chatbot-head::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 90% 100%, rgba(30, 126, 232, 0.32), transparent 60%),
    radial-gradient(ellipse 50% 60% at 10% 0%, rgba(79, 185, 92, 0.18), transparent 60%);
  pointer-events: none;
}
.chatbot-head > * { position: relative; z-index: 1; }
.chatbot-head .avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(180deg, var(--signal), var(--signal-2));
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: #FFFFFF;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.2);
}
.chatbot-head .title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.005em;
}
.chatbot-head .status {
  font-family: var(--font-mono);
  font-size: 10px;
  color: #B5CEEF;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 2px;
  display: flex; align-items: center; gap: 6px;
}
.chatbot-head .status::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 6px rgba(79, 185, 92, 0.6);
}
.chatbot-head .close {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.18);
  color: #FFFFFF;
  width: 28px; height: 28px;
  border-radius: 6px;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.2s ease;
}
.chatbot-head .close:hover { background: rgba(255,255,255,0.1); }
.chatbot-head .close svg { width: 14px; height: 14px; }

/* Thread */
.chatbot-thread {
  flex: 1;
  overflow-y: auto;
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background:
    linear-gradient(180deg, var(--bg-1), #FFFFFF);
  scrollbar-width: thin;
  scrollbar-color: var(--line-2) transparent;
}
.chatbot-thread::-webkit-scrollbar { width: 6px; }
.chatbot-thread::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 100px; }

.chat-msg {
  max-width: 85%;
  font-size: 13.5px;
  line-height: 1.5;
  letter-spacing: -0.005em;
}
.chat-msg.bot {
  align-self: flex-start;
  background: #FFFFFF;
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 14px 14px 14px 4px;
  padding: 10px 14px;
  box-shadow: 0 1px 2px rgba(10, 26, 62, 0.03);
}
.chat-msg.user {
  align-self: flex-end;
  background: var(--signal);
  color: #FFFFFF;
  border-radius: 14px 14px 4px 14px;
  padding: 10px 14px;
  box-shadow: 0 1px 2px rgba(30, 126, 232, 0.15);
}
.chat-msg.bot strong { color: var(--signal); font-weight: 600; }
.chat-msg.bot a {
  color: var(--signal);
  border-bottom: 1px solid var(--signal-dim);
  padding-bottom: 0;
}
.chat-msg.bot a:hover { border-color: var(--signal); }
.chat-msg.bot ul {
  margin: 6px 0 0 0;
  padding-left: 16px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.chat-msg.bot ul li { font-size: 13px; color: var(--fg-2); }
.chat-msg-time {
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--fg-4);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 4px;
  text-align: right;
}
.chat-msg.user + .chat-msg-time { text-align: right; }
.chat-msg.bot + .chat-msg-time { text-align: left; padding-left: 4px; }

/* Typing indicator */
.chat-typing {
  align-self: flex-start;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 14px 14px 14px 4px;
  padding: 12px 16px;
  display: inline-flex;
  gap: 4px;
}
.chat-typing span {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--fg-4);
  opacity: 0.4;
  animation: chat-bounce 1.2s ease-in-out infinite;
}
.chat-typing span:nth-child(2) { animation-delay: 0.15s; }
.chat-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes chat-bounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.4; }
  40%           { transform: translateY(-3px); opacity: 0.9; }
}

/* Suggestion chips */
.chat-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}
.chat-chip {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: -0.005em;
  background: var(--bg-1);
  border: 1px solid var(--line);
  color: var(--fg-2);
  padding: 6px 10px;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.18s ease;
}
.chat-chip:hover {
  background: var(--signal-dim);
  border-color: var(--signal);
  color: var(--signal);
}

/* Input */
.chatbot-input {
  border-top: 1px solid var(--line);
  padding: 12px;
  background: #FFFFFF;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: center;
}
.chatbot-input input {
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: 100px;
  padding: 10px 14px;
  font-size: 13.5px;
  font-family: var(--font-body);
  color: var(--fg);
  width: 100%;
  letter-spacing: -0.005em;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.chatbot-input input:focus {
  outline: none;
  border-color: var(--signal);
  box-shadow: 0 0 0 3px var(--signal-dim);
  background: #FFFFFF;
}
.chatbot-input button {
  background: var(--signal);
  color: #FFFFFF;
  border: none;
  width: 36px; height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background 0.18s ease, transform 0.18s ease;
}
.chatbot-input button:hover { background: var(--signal-2); transform: translateY(-1px); }
.chatbot-input button:disabled { background: var(--bg-3); color: var(--fg-4); cursor: not-allowed; transform: none; }
.chatbot-input button svg { width: 16px; height: 16px; }

.chatbot-footer {
  padding: 6px 14px 10px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--fg-4);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
  background: #FFFFFF;
  border-top: 1px solid var(--line);
}

@media (max-width: 540px) {
  .chatbot { right: 12px; bottom: 12px; }
  .chatbot-fab { width: 52px; height: 52px; }
  .chatbot-panel { height: 500px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}