:root {
  --bg: oklch(0.16 0.008 170);
  --bg-raised: oklch(0.20 0.010 170);
  --bg-sunken: oklch(0.13 0.008 170);
  --bg-deep: oklch(0.10 0.008 170);
  --line: oklch(0.32 0.012 170);
  --line-faint: oklch(0.24 0.010 170);
  --fg: oklch(0.96 0.005 170);
  --fg-muted: oklch(0.72 0.008 170);
  --fg-faint: oklch(0.52 0.010 170);
  --brand-green: oklch(0.62 0.16 150);
  --brand-green-deep: oklch(0.40 0.12 150);
  --brand-green-soft: oklch(0.72 0.10 150);
  --brand-orange: oklch(0.72 0.18 55);
  --brand-orange-deep: oklch(0.55 0.17 45);
  --pad: 56px;
  --section-gap: 160px;
  --max: 1440px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg); }
body {
  font-family: 'Inter Tight', -apple-system, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { display: block; max-width: 100%; }

/* ===== typography ===== */
.mono { font-family: 'JetBrains Mono', ui-monospace, monospace; font-feature-settings: "zero","ss01"; letter-spacing: 0.02em; }
.kicker { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-faint); }
.chip { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.10em; text-transform: uppercase; color: var(--fg-muted); padding: 4px 8px; border: 1px solid var(--line-faint); }
h1,h2,h3,h4 { font-family: 'Inter Tight', sans-serif; font-weight: 400; letter-spacing: -0.025em; margin: 0; text-wrap: balance; }
p { text-wrap: pretty; margin: 0; }

.hero-title { font-size: clamp(36px, 3.5vw, 64px); line-height: 1.02; font-weight: 300; letter-spacing: -0.03em; }
.section-title { font-size: clamp(28px, 2.8vw, 44px); line-height: 1.05; font-weight: 300; letter-spacing: -0.025em; }
.sub-title { font-size: clamp(20px, 1.6vw, 26px); line-height: 1.2; font-weight: 400; letter-spacing: -0.02em; }
.body-text { font-size: 16px; line-height: 1.55; color: var(--fg-muted); }
.big-stat { font-size: clamp(28px, 2.4vw, 36px); font-weight: 400; letter-spacing: -0.02em; color: var(--fg); }

a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

/* ===== layout ===== */
.wrap { max-width: var(--max); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }
.section { padding-top: var(--section-gap); scroll-margin-top: 100px; }
.section-head {
  display: grid;
  grid-template-columns: 120px 1.1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line-faint);
  align-items: start;
}
.section-number { font-family: 'JetBrains Mono', monospace; font-size: 40px; font-weight: 300; color: var(--fg-faint); letter-spacing: 0.02em; line-height: 1; }
.section-head .kicker { margin-bottom: 16px; display: block; }

/* ===== nav ===== */
.nav {
  position: sticky; top: 0; z-index: 200;
  height: 72px;
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line-faint);
}
.nav-inner { display: grid; grid-template-columns: auto 1fr auto auto; align-items: center; height: 100%; gap: 48px; position: relative; }
.nav-brand { display: flex; align-items: center; gap: 12px; }
.nav-brand .brand-logo { height: 34px; width: auto; display: block; }
/* Theme-swapped logos: only one is visible at a time, both have identical size. */
[data-theme="light"] .nav-brand .brand-logo-dark { display: none; }
[data-theme="light"] .nav-brand .brand-logo-light { display: block; }
.nav-brand .brand-logo-dark { display: block; }
.nav-brand .brand-logo-light { display: none; }
.nav-links { display: flex; gap: 32px; justify-content: center; }
.nav-links a { font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-muted); transition: color 0.15s; }
.nav-links a:hover, .nav-links a.active { color: var(--brand-green); }

/* nav dropdown */
.nav-item.has-menu { position: relative; display: flex; align-items: center; }
.nav-trigger {
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--fg-muted); transition: color 0.15s;
  display: inline-flex; align-items: center; gap: 6px;
  background: none; border: 0; padding: 0; cursor: pointer;
  font-weight: inherit;
}
.nav-trigger:hover, .nav-trigger.active, .nav-item.menu-open .nav-trigger { color: var(--brand-green); }
.nav-trigger .caret { transition: transform 0.18s; opacity: 0.7; }
.nav-item.menu-open .nav-trigger .caret { transform: rotate(180deg); opacity: 1; }
.nav-menu {
  position: absolute; top: calc(100% + 14px); left: 50%;
  transform: translateX(-50%) translateY(-4px);
  min-width: 320px;
  background: var(--bg-deep, #0a0a0a);
  border: 1px solid var(--line);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
  padding: 6px;
  opacity: 0; visibility: hidden;
  transition: opacity 0.15s, transform 0.15s, visibility 0.15s;
  z-index: 199;
}
.nav-item.menu-open .nav-menu {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
}
.nav-menu::before {
  content: ''; position: absolute;
  top: -7px; left: 50%; transform: translateX(-50%) rotate(45deg);
  width: 12px; height: 12px;
  background: var(--bg-deep, #0a0a0a);
  border-left: 1px solid var(--line);
  border-top: 1px solid var(--line);
}
.nm-item {
  display: flex; flex-direction: column; gap: 3px;
  padding: 12px 14px;
  text-decoration: none;
  color: var(--fg) !important;
  border-left: 2px solid transparent;
  transition: background 0.15s, border-color 0.15s;
  letter-spacing: 0 !important; text-transform: none !important;
  font-family: 'Inter Tight', system-ui, sans-serif !important;
  font-size: 14px !important;
}
.nm-item:hover {
  background: var(--bg-raised);
  border-left-color: var(--brand-green);
}
.nm-item.primary { background: color-mix(in oklab, var(--brand-green) 6%, transparent); }
.nm-item.primary:hover { background: color-mix(in oklab, var(--brand-green) 10%, transparent); }
.nm-item .nm-name {
  font-size: 14px; color: var(--fg);
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 500;
}
.nm-item .nm-role {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--fg-faint);
}
.nm-item.primary .nm-name { color: var(--brand-green); }
.nm-item .nm-dot {
  width: 6px; height: 6px; background: var(--brand-green);
  display: inline-block;
}
.nm-divider {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 14px 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--fg-faint);
}
.nm-divider::after {
  content: ''; flex: 1; height: 1px; background: var(--line-faint);
}
.nav-meta { display: flex; gap: 16px; align-items: center; font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.10em; text-transform: uppercase; color: var(--fg-faint); }
.nav-theme {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--fg-muted);
  font: inherit;
  font-size: 10px;
  letter-spacing: 0.12em;
  padding: 5px 10px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  font-family: 'JetBrains Mono', monospace;
}
.nav-theme:hover { color: var(--fg); border-color: var(--brand-green); }
.nav-present {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--brand-green);
  border: 1px solid var(--brand-green);
  color: #000;
  font: inherit;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 5px 10px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  font-family: 'JetBrains Mono', monospace;
}
.nav-present:hover { background: transparent; color: var(--brand-green); }
.nav-present .np-arrow { font-size: 11px; transform: translateY(-0.5px); }
.live-dot { width: 7px; height: 7px; background: var(--brand-green); display: inline-block; animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.35; } }

/* ===== reg marks ===== */
.reg-corners { position: relative; }
.reg-corners::before, .reg-corners::after,
.reg-corners > .rc-tl, .reg-corners > .rc-tr, .reg-corners > .rc-bl, .reg-corners > .rc-br { display: none; }
.reg { position: absolute; width: 10px; height: 10px; opacity: 0.55; pointer-events: none; color: var(--fg-faint); }
.reg svg { width: 100%; height: 100%; }

/* ===== hero ===== */
.hero {
  position: relative;
  min-height: 92vh;
  padding-top: 80px;
  padding-bottom: 64px;
  overflow: hidden;
  border-bottom: 1px solid var(--line-faint);
}
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, var(--line-faint) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-faint) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0) 80%);
  opacity: 0.35;
  pointer-events: none;
}
.hero-content { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: end; min-height: 72vh; }
.hero-left .hero-title { max-width: 14ch; }
.hero-meta-row { display: flex; gap: 24px; padding-top: 28px; border-top: 1px solid var(--line-faint); margin-top: 48px; flex-wrap: wrap; }
.hero-meta-row .item { display: flex; flex-direction: column; gap: 4px; }
.hero-meta-row .val { color: var(--fg); font-size: 14px; font-family: 'JetBrains Mono', monospace; letter-spacing: 0.04em; }

.hero-viz {
  position: relative;
  aspect-ratio: 1 / 1;
  max-height: 560px;
  justify-self: end;
  width: 100%;
}

.hero-hud {
  position: absolute; inset: 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--brand-green);
  text-transform: uppercase;
  pointer-events: none;
}
.hero-hud .tick { position: absolute; background: var(--brand-green); opacity: 0.7; }

/* ===== stats strip ===== */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-faint);
  border-top: 1px solid var(--line-faint);
  border-bottom: 1px solid var(--line-faint);
}
.stats-strip .cell { background: var(--bg); padding: 32px 28px; position: relative; }
.stats-strip .num { font-size: 36px; font-weight: 300; letter-spacing: -0.02em; color: var(--fg); margin-bottom: 8px; font-family: 'Inter Tight'; }
.stats-strip .num .unit { font-size: 16px; color: var(--fg-faint); margin-left: 6px; font-family: 'JetBrains Mono', monospace; letter-spacing: 0.05em; }
.stats-strip .lbl { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.10em; text-transform: uppercase; color: var(--fg-faint); line-height: 1.4; }

/* ===== products ===== */
.prod-tabs { display: flex; gap: 0; border: 1px solid var(--line-faint); margin-bottom: 48px; overflow-x: auto; }
.prod-tab {
  flex: 1; padding: 14px 20px;
  font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--fg-faint);
  border-right: 1px solid var(--line-faint);
  transition: background 0.15s, color 0.15s;
  white-space: nowrap; text-align: left;
  display: flex; flex-direction: column; gap: 4px; align-items: flex-start;
  min-width: 140px;
}
.prod-tab:last-child { border-right: 0; }
.prod-tab:hover { background: var(--bg-raised); color: var(--fg-muted); }
.prod-tab.active { background: var(--bg-raised); color: var(--fg); }
.prod-tab.active.green { box-shadow: inset 3px 0 0 var(--brand-green); }
.prod-tab.active.orange { box-shadow: inset 3px 0 0 var(--brand-orange); }
.prod-tab .t-name { font-size: 13px; letter-spacing: 0.02em; }
.prod-tab .t-role { font-size: 9px; opacity: 0.7; }

.prod-panel { display: grid; grid-template-columns: 1.15fr 1fr; gap: 48px; }
.prod-img-wrap {
  position: relative;
  background: var(--bg-sunken);
  border: 1px solid var(--line-faint);
  aspect-ratio: 4 / 3;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.prod-img-wrap img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.92) contrast(1.05); }
.prod-img-wrap.contain img { object-fit: contain; padding: 20px; }
.prod-img-hud { position: absolute; inset: 16px; pointer-events: none; font-family: 'JetBrains Mono', monospace; font-size: 9px; letter-spacing: 0.1em; color: var(--brand-green); text-transform: uppercase; }
.prod-img-hud.orange { color: var(--brand-orange); }
.prod-img-hud .corner-b { position: absolute; width: 14px; height: 14px; border: 1px solid currentColor; opacity: 0.7; }
.prod-img-hud .corner-b.tl { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.prod-img-hud .corner-b.tr { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.prod-img-hud .corner-b.bl { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.prod-img-hud .corner-b.br { bottom: 0; right: 0; border-left: 0; border-top: 0; }
.prod-img-hud .tag { position: absolute; top: 0; left: 24px; display: flex; gap: 12px; }
.prod-img-hud .tag span { background: color-mix(in oklab, var(--bg-deep) 80%, transparent); padding: 4px 8px; border: 1px solid currentColor; }
.prod-img-hud .reticle { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 64px; height: 64px; opacity: 0.5; }
.prod-img-hud .coord { position: absolute; bottom: 0; right: 24px; }

.prod-info .kicker { color: var(--brand-green); }
.prod-info.orange .kicker { color: var(--brand-orange); }
.prod-name { font-size: 44px; font-weight: 300; letter-spacing: -0.03em; line-height: 1; margin-top: 10px; }
.prod-tagline { font-size: 18px; color: var(--fg-muted); margin-top: 10px; max-width: 34ch; }
.prod-desc { font-size: 15px; color: var(--fg-muted); line-height: 1.55; margin-top: 28px; padding-top: 28px; border-top: 1px solid var(--line-faint); }
.prod-specs {
  margin-top: 28px;
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line-faint);
}
.prod-specs .row {
  display: grid; grid-template-columns: 180px 1fr auto;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-faint);
  gap: 16px;
  align-items: baseline;
}
.prod-specs .lbl { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.10em; text-transform: uppercase; color: var(--fg-faint); }
.prod-specs .val { font-size: 15px; color: var(--fg); font-weight: 400; }
.prod-specs .unit { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--fg-faint); letter-spacing: 0.1em; text-transform: uppercase; }

.prod-meta-row { margin-top: 24px; display: flex; gap: 10px; flex-wrap: wrap; }
.trl-bar { display: flex; gap: 2px; margin-top: 6px; }
.trl-seg { width: 18px; height: 4px; background: var(--line-faint); }
.trl-seg.filled { background: var(--brand-green); }
.prod-info.orange .trl-seg.filled { background: var(--brand-orange); }

/* ===== prod brief CTA ===== */
.prod-brief-cta {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 16px;
  align-items: baseline;
  margin-top: 24px;
  padding: 18px 22px;
  border: 1px solid var(--line);
  background: var(--bg-raised);
  text-decoration: none;
  position: relative;
  transition: border-color 0.18s, background 0.18s, transform 0.18s;
}
.prod-brief-cta::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--brand-green);
  transition: width 0.18s;
}
.prod-brief-cta.orange::before { background: var(--brand-orange); }
.prod-brief-cta:hover {
  border-color: var(--brand-green);
  background: color-mix(in oklab, var(--brand-green) 5%, var(--bg-raised));
}
.prod-brief-cta.orange:hover {
  border-color: var(--brand-orange);
  background: color-mix(in oklab, var(--brand-orange) 5%, var(--bg-raised));
}
.prod-brief-cta:hover::before { width: 5px; }
.prod-brief-cta .cta-kicker {
  grid-column: 1; grid-row: 1;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--brand-green);
}
.prod-brief-cta.orange .cta-kicker { color: var(--brand-orange); }
.prod-brief-cta .cta-title {
  grid-column: 2; grid-row: 1;
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 16px; color: var(--fg);
  font-weight: 400; letter-spacing: -0.01em;
}
.prod-brief-cta .cta-title svg { transition: transform 0.18s; flex-shrink: 0; }
.prod-brief-cta:hover .cta-title svg { transform: translateX(4px); }
.prod-brief-cta .cta-meta {
  grid-column: 1 / -1; grid-row: 2;
  margin-top: 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px; letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--fg-faint);
}

/* ===== sphere map ===== */
.sphere-wrap { position: relative; background: var(--bg-deep); border: 1px solid var(--line-faint); margin-top: 48px; overflow: hidden; }
.sphere-stage {
  position: relative;
  aspect-ratio: 16 / 9;
  width: 100%;
  background:
    radial-gradient(ellipse at 52% 58%, oklch(0.22 0.03 80) 0%, oklch(0.16 0.02 80) 30%, oklch(0.10 0.015 80) 70%, oklch(0.08 0.01 80) 100%);
  overflow: hidden;
}
.sphere-bg-noise { position: absolute; inset: 0; opacity: 0.15; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence baseFrequency='0.9' numOctaves='2' seed='3'/><feColorMatrix values='0 0 0 0 0.6  0 0 0 0 0.4  0 0 0 0 0.2  0 0 0 0.8 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>"); mix-blend-mode: overlay; pointer-events: none; }

.sphere-svg { position: absolute; inset: 0; width: 100%; height: 100%; }

.sphere-hud-tl, .sphere-hud-tr, .sphere-hud-bl, .sphere-hud-br {
  position: absolute;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--brand-green);
  text-transform: uppercase;
  background: color-mix(in oklab, var(--bg-deep) 88%, transparent);
  border: 1px solid color-mix(in oklab, var(--brand-green) 30%, transparent);
  padding: 8px 10px;
  line-height: 1.5;
  pointer-events: none;
  min-width: 180px;
}
.sphere-hud-tl { top: 16px; left: 16px; }
.sphere-hud-tr { top: 16px; right: 16px; text-align: right; }
.sphere-hud-bl { bottom: 16px; left: 16px; }
.sphere-hud-br { bottom: 16px; right: 16px; text-align: right; }
.sphere-hud-tl .v, .sphere-hud-tr .v, .sphere-hud-bl .v, .sphere-hud-br .v { color: var(--fg); }

.sphere-controls {
  padding: 20px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  align-items: center;
  border-top: 1px solid var(--line-faint);
  background: var(--bg-raised);
}
.sphere-controls .scenario-row { display: flex; flex-wrap: wrap; gap: 8px; }
.sphere-controls .scenario-row .sphere-btn { white-space: nowrap; }
.sphere-controls .toggle-row { display: flex; flex-wrap: wrap; gap: 8px; margin-left: auto; }
.sphere-controls .toggle-row .sphere-btn { white-space: nowrap; }
.sphere-btn {
  padding: 10px 16px;
  border: 1px solid var(--line);
  font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.10em; text-transform: uppercase;
  color: var(--fg); background: var(--bg-sunken);
  transition: background 0.15s, color 0.15s;
}
.sphere-btn:hover { background: var(--bg); }
.sphere-btn.primary { background: var(--brand-green-deep); border-color: var(--brand-green); color: var(--fg); }
.sphere-btn.primary:hover { background: var(--brand-green); }
.sphere-btn.danger { color: var(--brand-orange); border-color: color-mix(in oklab, var(--brand-orange) 50%, var(--line)); }

.sphere-legend { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-muted); }
.sphere-legend .item { display: flex; align-items: center; gap: 6px; white-space: nowrap; }
.sphere-legend .sw { width: 10px; height: 10px; border: 1px solid currentColor; }

.sphere-log {
  padding: 16px 24px;
  height: 120px;
  overflow: hidden;
  border-top: 1px solid var(--line-faint);
  background: var(--bg-deep);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  line-height: 1.6;
  color: var(--fg-muted);
  position: relative;
}
.sphere-log .line { opacity: 1; }
.sphere-log .line.fade-in { animation: logIn 0.3s forwards; }
.sphere-log .line .ts { color: var(--fg-faint); margin-right: 12px; }
.sphere-log .line.green .tag { color: var(--brand-green); }
.sphere-log .line.orange .tag { color: var(--brand-orange); }
.sphere-log .line .tag { font-weight: 500; margin-right: 8px; text-transform: uppercase; letter-spacing: 0.08em; }
@keyframes logIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.threat-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.08em;
  padding: 3px 6px;
  background: var(--bg-deep);
  border: 1px solid var(--brand-orange);
  color: var(--brand-orange);
  text-transform: uppercase;
  white-space: nowrap;
}
.asset-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.08em;
  padding: 3px 6px;
  background: color-mix(in oklab, var(--bg-deep) 85%, transparent);
  border: 1px solid var(--brand-green);
  color: var(--brand-green);
  text-transform: uppercase;
  white-space: nowrap;
}

/* ===== generic grid ===== */
.grid-card-wrap {
  display: grid;
  gap: 1px;
  background: var(--line-faint);
  border: 1px solid var(--line-faint);
  margin-top: 48px;
}
.grid-card-wrap.c2 { grid-template-columns: repeat(2, 1fr); }
.grid-card-wrap.c3 { grid-template-columns: repeat(3, 1fr); }
.grid-card-wrap.c4 { grid-template-columns: repeat(4, 1fr); }
.grid-card-wrap .cell { background: var(--bg); padding: 28px; position: relative; }

/* ===== Qudra ecosystem strip ===== */
.ecosystem-strip { margin-top: 48px; border: 1px solid var(--line-faint); }
.ecosystem-strip .es-head { padding: 28px 32px; border-bottom: 1px solid var(--line-faint); background: var(--bg-raised); }
.ecosystem-strip .es-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line-faint);
}
.ecosystem-strip .es-grid.es-grid-5 { grid-template-columns: repeat(5, 1fr); }
.ecosystem-strip .es-cell {
  background: var(--bg);
  padding: 36px 28px 28px;
  display: flex; flex-direction: column; align-items: flex-start; gap: 16px;
  min-height: 220px;
  text-decoration: none;
  transition: background 0.15s;
}
.ecosystem-strip .es-cell:hover { background: var(--bg-raised); }
.ecosystem-strip .es-logo {
  height: 72px;
  display: flex; align-items: center; justify-content: flex-start;
  width: 100%;
}
.ecosystem-strip .es-logo.es-logo-tall img {
  height: 64px;
  max-width: 95%;
}
/* Theme-swapped partner logos: each cell ships a dark-theme img (white/light marks)
   and a light-theme img (color marks). Show only one per theme. */
.ecosystem-strip .es-logo img {
  height: 64px;
  width: auto;
  max-width: 90%;
  object-fit: contain;
  display: block;
}
.ecosystem-strip .es-logo .logo-light { display: none; }
.ecosystem-strip .es-logo .logo-dark { display: block; }
[data-theme="light"] .ecosystem-strip .es-logo .logo-dark { display: none; }
[data-theme="light"] .ecosystem-strip .es-logo .logo-light { display: block; }

/* Theme-swap for partner logo cards outside the ecosystem strip
   (e.g. STRATEGIC BACKING / NATIONAL CERTIFICATION callouts on the home page). */
img.logo-light { display: none; }
img.logo-dark { display: inline-block; }
[data-theme="light"] img.logo-dark { display: none; }
[data-theme="light"] img.logo-light { display: inline-block; }
.ecosystem-strip .es-logo.es-logo-text {
  color: var(--fg);
}
.ecosystem-strip .es-logo.es-logo-text svg {
  max-height: 44px;
  max-width: 80%;
}
.ecosystem-strip .es-name {
  font-size: 16px;
  color: var(--fg);
  letter-spacing: -0.01em;
  margin-top: auto;
}
.ecosystem-strip .es-role {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

/* Grouped ecosystem (capital / authority / sister companies) */
.ecosystem-group + .ecosystem-group { border-top: 1px solid var(--line-faint); }
.ecosystem-group .eg-head {
  display: flex; align-items: baseline; gap: 16px;
  padding: 18px 32px;
  background: var(--bg-sunken);
  border-bottom: 1px solid var(--line-faint);
}
.ecosystem-group .eg-head .tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--brand-green);
}
.ecosystem-group .eg-head .desc {
  font-size: 12px;
  color: var(--fg-muted);
  letter-spacing: 0.01em;
}

/* timeline table */
.timeline-table { width: 100%; border-collapse: collapse; margin-top: 48px; }
.timeline-table th, .timeline-table td { text-align: left; padding: 18px 20px; border-bottom: 1px solid var(--line-faint); vertical-align: top; }
.timeline-table th { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-faint); font-weight: 400; background: var(--bg-sunken); }
.timeline-table .phase { color: var(--fg); font-size: 16px; }
.timeline-table .dur { font-family: 'JetBrains Mono', monospace; font-size: 12px; color: var(--brand-green); letter-spacing: 0.05em; }
.timeline-table td { color: var(--fg-muted); font-size: 14px; }

/* footer */
.footer {
  margin-top: 160px;
  padding: 64px 0 40px;
  border-top: 1px solid var(--line-faint);
  background: var(--bg-sunken);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; }
.footer h4 { font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--fg-faint); font-weight: 400; margin-bottom: 16px; }
.footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.footer a { color: var(--fg-muted); font-size: 14px; transition: color 0.15s; }
.footer a:hover { color: var(--brand-green); }
.footer .sicon {
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line-faint);
  color: var(--fg-muted);
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.footer .sicon:hover {
  color: var(--brand-green);
  border-color: var(--brand-green);
  background: color-mix(in oklab, var(--brand-green) 8%, transparent);
}
.footer-bar { margin-top: 64px; padding-top: 24px; border-top: 1px solid var(--line-faint); display: flex; justify-content: space-between; font-family: 'JetBrains Mono', monospace; font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-faint); }

/* ===== capabilities section ===== */
.cap-strip {
  display: grid; grid-template-columns: repeat(5, 1fr);
  gap: 1px; background: var(--line-faint);
  border: 1px solid var(--line-faint);
  margin-top: 48px;
}
.cap-strip-6 { grid-template-columns: repeat(6, 1fr); }
.cap-cell { background: var(--bg); padding: 32px 24px; position: relative; min-height: 220px; display: flex; flex-direction: column; justify-content: space-between; }
.cap-cell .num { font-family: 'JetBrains Mono', monospace; font-size: 10px; color: var(--fg-faint); letter-spacing: 0.12em; }
.cap-cell h3 { font-size: 22px; font-weight: 400; margin-top: 12px; color: var(--brand-green); letter-spacing: -0.02em; }
.cap-cell p { font-size: 13px; color: var(--fg-muted); line-height: 1.5; margin-top: 12px; }
.cap-cell .arrow { position: absolute; right: -12px; top: 50%; transform: translateY(-50%); color: var(--line); z-index: 2; font-family: 'JetBrains Mono', monospace; background: var(--bg); padding: 0 6px; }
.cap-cell:last-child .arrow { display: none; }

/* ===== problem section ===== */
.problem-section {
  padding-top: 120px;
  position: relative;
}
.problem-section::before {
  content: '';
  position: absolute; top: 60px; left: 50%; transform: translateX(-50%);
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, transparent, var(--brand-orange) 40%, var(--brand-orange) 60%, transparent);
  opacity: 0.6;
}
.problem-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: end;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line-faint);
}
.problem-head .kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.problem-head .section-title { font-size: clamp(28px, 2.8vw, 42px); line-height: 1.15; font-weight: 300; }

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-faint);
  border: 1px solid var(--line-faint);
  margin-top: 48px;
}
.problem-cell {
  background: var(--bg);
  padding: 40px 32px 36px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
}
.problem-cell .p-index {
  font-size: 10px;
  color: var(--fg-faint);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.problem-cell .p-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line-faint);
}
.problem-cell .p-big {
  font-family: 'Inter Tight', sans-serif;
  font-size: clamp(44px, 4.2vw, 64px);
  font-weight: 300;
  letter-spacing: -0.035em;
  line-height: 1;
  color: var(--brand-orange);
}
.problem-cell .p-unit {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--fg-muted);
}
.problem-cell .p-body p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--fg-muted);
}
.problem-cell .p-body .hl {
  color: var(--fg);
  font-weight: 500;
  border-bottom: 1px dashed var(--brand-orange);
  padding-bottom: 1px;
}
.problem-cell .p-trend {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  margin-top: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 9px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--fg-faint);
}
.problem-cell .p-trend-bar {
  height: 3px; background: var(--line-faint); position: relative; overflow: hidden;
}
.problem-cell .p-trend-fill {
  height: 100%; background: var(--brand-orange);
  animation: trendFill 1.4s ease-out forwards;
  transform-origin: left;
}
@keyframes trendFill { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.problem-cell .p-trend-val { color: var(--brand-orange); }
.problem-cell .p-tags {
  display: flex; gap: 6px; flex-wrap: wrap; margin-top: auto;
}
.problem-cell .p-formula {
  display: flex; align-items: baseline; gap: 16px;
  margin-top: auto;
  padding-top: 20px;
  border-top: 1px dashed var(--line-faint);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 400;
}
.problem-cell .p-formula-op {
  font-size: 22px;
  letter-spacing: 0.02em;
  color: var(--fg);
}
.problem-cell .p-formula-op.orange { color: var(--brand-orange); }
.problem-cell .p-formula-sign { color: var(--fg-faint); font-size: 16px; }

.problem-conclusion {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 32px;
  margin-top: 48px;
  padding: 24px 0 0;
  border-top: 1px solid var(--line-faint);
  align-items: start;
}
.problem-conclusion p {
  font-size: 16px;
  line-height: 1.55;
  color: var(--fg);
  max-width: 72ch;
}

@media (max-width: 899px) {
  .problem-head { grid-template-columns: 1fr; gap: 16px; }
  .problem-grid { grid-template-columns: 1fr; }
  .problem-cell { padding: 28px 20px; gap: 18px; }
  .problem-conclusion { grid-template-columns: 1fr; gap: 12px; margin-top: 32px; }
  .problem-conclusion p { font-size: 15px; }
}


@media (max-width: 1199px) {
  :root { --pad: 32px; --section-gap: 120px; }
  .nav-links { gap: 20px; }
  .nav-links a { font-size: 10px; letter-spacing: 0.08em; }
  .nav-meta { display: none; }
  .section-head { grid-template-columns: 80px 1fr; }
  .section-number { font-size: 32px; }
  .section-head .kicker { grid-column: 2; }
  .section-head > div:last-child { grid-column: 1 / -1; margin-top: 24px; padding-left: 0; }
  .prod-panel { grid-template-columns: 1fr; gap: 32px; }
  .prod-img-wrap { max-height: 460px; }
  .grid-card-wrap.c4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .cap-strip-6 { grid-template-columns: repeat(3, 1fr); }
}

/* ========== TABLET (≤ 1023px) — burger nav kicks in ========== */
@media (max-width: 1023px) {
  .nav { height: 60px; }
  .nav-inner { grid-template-columns: auto 1fr auto; gap: 16px; }
  .nav-brand .brand-logo { height: 30px; }
  .nav-links { display: none; }
  .nav-toggle { display: flex !important; width: 44px; height: 44px; align-items: center; justify-content: center; border: 1px solid var(--line-faint); background: var(--bg-sunken); color: var(--fg); }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 60px; left: 0; right: 0;
    background: color-mix(in oklab, var(--bg) 96%, transparent);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line-faint);
    padding: 16px var(--pad);
    gap: 0;
    align-items: stretch;
    justify-content: flex-start;
    max-height: calc(100vh - 60px);
    overflow-y: auto;
  }
  .nav-links.open a {
    padding: 16px 4px;
    border-bottom: 1px solid var(--line-faint);
    font-size: 13px;
    letter-spacing: 0.10em;
    min-height: 48px;
    display: flex;
    align-items: center;
  }
  .nav-links.open a:last-child { border-bottom: 0; }
  .nav-links.open .nav-item.has-menu {
    flex-direction: column;
    align-items: stretch;
    border-bottom: 1px solid var(--line-faint);
  }
  .nav-links.open .nav-trigger {
    padding: 16px 4px;
    font-size: 13px;
    letter-spacing: 0.10em;
    min-height: 48px;
    justify-content: space-between;
    width: 100%;
  }
  .nav-links.open .nav-menu {
    position: static;
    transform: none;
    opacity: 1; visibility: visible;
    background: transparent;
    box-shadow: none;
    border: 0;
    border-top: 1px dashed var(--line-faint);
    margin: 0 -4px 8px;
    padding: 4px 0;
    min-width: 0;
    display: none;
  }
  .nav-links.open .nav-item.menu-open .nav-menu { display: block; }
  .nav-links.open .nav-menu::before { display: none; }
  .nav-links.open .nm-item {
    padding: 12px 12px;
    border-left: 2px solid transparent;
  }
}

/* ========== SMALL TABLET / LARGE PHONE (≤ 899px) ========== */
@media (max-width: 899px) {
  :root { --pad: 24px; --section-gap: 96px; }
  .nav { height: 60px; }
  .nav-inner { grid-template-columns: auto 1fr auto; gap: 16px; }
  .nav-brand .brand-logo { height: 28px; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 60px; left: 0; right: 0;
    background: color-mix(in oklab, var(--bg) 96%, transparent);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line-faint);
    padding: 16px var(--pad);
    gap: 0;
    align-items: stretch;
    justify-content: flex-start;
  }
  .nav-links.open a {
    padding: 16px 4px;
    border-bottom: 1px solid var(--line-faint);
    font-size: 13px;
    letter-spacing: 0.10em;
    min-height: 48px;
    display: flex;
    align-items: center;
  }
  .nav-links.open a:last-child { border-bottom: 0; }

  /* Products dropdown becomes inline on mobile */
  .nav-links.open .nav-item.has-menu {
    flex-direction: column;
    align-items: stretch;
    border-bottom: 1px solid var(--line-faint);
  }
  .nav-links.open .nav-trigger {
    padding: 16px 4px;
    font-size: 13px;
    letter-spacing: 0.10em;
    min-height: 48px;
    justify-content: space-between;
    width: 100%;
  }
  .nav-links.open .nav-menu {
    position: static;
    transform: none;
    opacity: 1; visibility: visible;
    background: transparent;
    box-shadow: none;
    border: 0;
    border-top: 1px dashed var(--line-faint);
    margin: 0 -4px 8px;
    padding: 4px 0;
    min-width: 0;
    display: none;
  }
  .nav-links.open .nav-item.menu-open .nav-menu { display: block; }
  .nav-links.open .nav-menu::before { display: none; }
  .nav-links.open .nm-item {
    padding: 12px 12px;
    border-left: 2px solid transparent;
  }
  .nav-toggle {
    display: flex !important;
    width: 44px; height: 44px;
    align-items: center; justify-content: center;
    border: 1px solid var(--line-faint);
    background: var(--bg-sunken);
    color: var(--fg);
  }

  .section-head { grid-template-columns: 1fr; gap: 12px; padding-bottom: 32px; }
  .section-number { font-size: 24px; color: var(--fg-faint); }

  .hero { min-height: auto; padding-top: 48px; padding-bottom: 48px; }
  .hero-content { grid-template-columns: 1fr; gap: 48px; min-height: 0; }
  .hero-viz { aspect-ratio: 1 / 1; max-height: 420px; justify-self: stretch; width: 100%; max-width: 480px; margin: 0 auto; }
  .hero-meta-row { gap: 20px 32px; margin-top: 32px; padding-top: 20px; }

  .stats-strip { grid-template-columns: 1fr; }
  .stats-strip .cell { padding: 24px 20px; }
  .stats-strip .num { font-size: 28px; }

  .prod-tabs { overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .prod-tabs::-webkit-scrollbar { display: none; }
  .prod-tab { min-width: 130px; flex: 0 0 auto; padding: 12px 16px; }
  .prod-panel { gap: 28px; }
  .prod-name { font-size: 34px; }
  .prod-tagline { font-size: 16px; }
  .prod-specs .row { grid-template-columns: 130px 1fr auto; padding: 12px 0; gap: 12px; }
  .prod-specs .lbl { font-size: 9px; }
  .prod-specs .val { font-size: 14px; }
  .prod-specs .unit { font-size: 9px; }

  .cap-strip { grid-template-columns: 1fr; }
  .cap-cell { min-height: 0; padding: 24px 20px; }
  .cap-cell .arrow { display: none !important; }

  .grid-card-wrap.c2 { grid-template-columns: 1fr; }
  .grid-card-wrap.c3 { grid-template-columns: 1fr; }
  .grid-card-wrap.c4 { grid-template-columns: 1fr 1fr; }

  .ecosystem-strip .es-grid { grid-template-columns: 1fr 1fr; }
  .ecosystem-strip .es-grid.es-grid-5 { grid-template-columns: 1fr 1fr; }
  .ecosystem-strip .es-head { padding: 22px 24px; }

  /* Sphere map: drop corner HUDs, show meta under the scope */
  .sphere-hud-tl, .sphere-hud-tr, .sphere-hud-bl, .sphere-hud-br { display: none; }
  .sphere-stage { aspect-ratio: 1 / 1; }
  .sphere-meta-mobile { display: grid !important; }
  .phase-strip { grid-template-columns: repeat(2, 1fr) !important; }
  .cap-strip-6 { grid-template-columns: repeat(2, 1fr); }
  .sphere-controls { grid-template-columns: 1fr; gap: 16px; padding: 16px; }
  .sphere-controls .scenario-row {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 4px;
    margin: 0 -16px;
    padding-left: 16px;
    padding-right: 16px;
  }
  .sphere-controls .scenario-row::-webkit-scrollbar { display: none; }
  .sphere-controls .scenario-row .sphere-btn { flex: 0 0 auto; white-space: nowrap; }
  .sphere-controls .toggle-row { display: flex; flex-wrap: wrap; gap: 8px; }
  .sphere-btn { padding: 12px 14px; min-height: 44px; font-size: 10px; }
  .sphere-legend { gap: 12px; font-size: 9px; }
  .sphere-log { height: 100px; padding: 12px 16px; font-size: 10px; }

  .timeline-table th, .timeline-table td { padding: 14px 12px; font-size: 12px; }
  .timeline-table .phase { font-size: 14px; }

  .footer { padding: 48px 0 32px; margin-top: 96px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-bar { flex-direction: column; gap: 12px; }
}

/* ========== PHONE (≤ 600px) ========== */
@media (max-width: 600px) {
  :root { --pad: 20px; --section-gap: 72px; }
  .hero-title { font-size: 34px; line-height: 1.05; }
  .section-title { font-size: 26px; line-height: 1.1; }
  .sub-title { font-size: 17px; }
  .hero-viz { max-height: 340px; max-width: 360px; }

  .prod-name { font-size: 28px; }
  .prod-tagline { font-size: 15px; }
  .prod-img-wrap { aspect-ratio: 3 / 2; }
  .prod-specs .row {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 14px 0;
  }
  .prod-specs .row .unit { margin-top: 0; }
  .prod-img-hud .tag span { font-size: 8px; padding: 3px 6px; }
  .prod-img-hud .coord { font-size: 8px; bottom: 0; right: 12px; }

  .sphere-legend { font-size: 8px; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }

  .grid-card-wrap.c4 { grid-template-columns: 1fr; }

  /* larger tap targets everywhere */
  a, button { min-height: 44px; }
  .nav-brand { min-height: 44px; }
  .prod-tab { min-height: 52px; }
}

/* hide the mobile toggle on desktop */
.nav-toggle { display: none; }

/* sphere meta strip shown only on mobile */
.sphere-meta-mobile {
  display: none;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-faint);
  border-top: 1px solid var(--line-faint);
}
.sphere-meta-mobile .cell {
  background: var(--bg-raised);
  padding: 12px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-faint);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.sphere-meta-mobile .cell .v { color: var(--fg); font-size: 12px; letter-spacing: 0.04em; }
.sphere-meta-mobile .cell .v.orange { color: var(--brand-orange); }
.sphere-meta-mobile .cell .v.green { color: var(--brand-green); }

/* ===== LIGHT THEME — applies on <html data-theme="light"> ===== */
html[data-theme="light"] {
  --bg:        #ffffff;
  --bg-raised: #f4f6f7;
  --bg-sunken: #ebedee;
  --bg-deep:   #fafbfb;
  --line:      #b8c0c4;
  --line-faint: #d6dcdf;
  --fg:        #0f1416;
  --fg-muted:  #353c40;
  --fg-faint:  #5d6469;
  --brand-green:      oklch(0.48 0.14 150);
  --brand-green-deep: oklch(0.36 0.12 150);
  --brand-green-soft: oklch(0.62 0.10 150);
  --brand-orange:      #c25a1a;
  --brand-orange-deep: #8a3c0a;
}
html[data-theme="light"] body { background: #ffffff; color: #0f1416; }
/* Hero grid background — invert so it reads on white */
html[data-theme="light"] .hero-grid-bg { opacity: 0.18; filter: invert(1); }
/* Sphere stage keeps its dark tactical look in both themes; sphere is a screen, not a page surface */
html[data-theme="light"] .sphere-wrap { border-color: #b8c0c4; }
html[data-theme="light"] .sphere-stage { background:
  radial-gradient(ellipse at 52% 58%, oklch(0.22 0.03 80) 0%, oklch(0.16 0.02 80) 30%, oklch(0.10 0.015 80) 70%, oklch(0.08 0.01 80) 100%);
}
html[data-theme="light"] .sphere-controls { background: var(--bg-raised); }
/* Re-tone the orange so it isn't headache-bright on white */
html[data-theme="light"] .problem-cell .p-big,
html[data-theme="light"] .problem-cell .p-trend-fill { color: var(--brand-orange); }
/* Footer surfaces */
html[data-theme="light"] .footer { background: var(--bg-sunken); }
/* Nav backdrop */
html[data-theme="light"] .nav { background: rgba(255, 255, 255, 0.85); }

/* selection */
::selection { background: var(--brand-green-deep); color: var(--fg); }

/* scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-sunken); }
::-webkit-scrollbar-thumb { background: var(--line); }
::-webkit-scrollbar-thumb:hover { background: var(--fg-faint); }