/* ============================================================
   NetGrip — "Engineering Blueprint" overlay on Bootstrap 5.3
   A drafting-sheet skin: grid paper, hard 1px rules, mono
   spec-labels, crop-mark corner ticks, cyan-on-ink palette.
   Light = drafting paper · Dark = classic blueprint blue.
   No gradients, no glass, no rounded pills, no mac chrome.
   ============================================================ */

:root {
  /* ── type ── */
  --ng-mono: "JetBrains Mono", "SFMono-Regular", ui-monospace, "Cascadia Mono", Menlo, Consolas, monospace;

  /* ── blueprint surfaces — light (drafting paper) ── */
  --ng-paper:       #eef2f7;
  --ng-panel:       #fbfcfe;
  --ng-band:        #e5ebf2;
  --ng-ink:         #11283f;
  --ng-ink-soft:    #51677c;
  --ng-border:      #c6d3e0;
  --ng-border-str:  #aebed0;
  --ng-grid:        rgba(17,40,63,.055);
  --ng-grid-major:  rgba(17,40,63,.10);

  /* ── accent (drafting cyan/ink-blue) ── */
  --ng-accent:      #0d7397;
  --ng-accent-d:    #0a5d7a;
  --ng-accent-br:   #0a93c2;

  /* ── semantic node hues (boxes & lines) ── */
  --ng-blue:        #2f7fb0;
  --ng-green:       #2f8f56;
  --ng-green-br:    #2e9e4f;
  --ng-purple:      #6a5cc0;
  --ng-tan:         #b3863c;
  --ng-line:        #7e93a6;

  /* box fills — light */
  --ng-fill-nic:    #e2ecf5;
  --ng-fill-v4:     #dcefe0;
  --ng-fill-v6:     #e6e2f5;
  --ng-fill-group:  #f3ead4;
  --ng-fill-dns:    #e8eef4;

  /* code / blueprint panels */
  --ng-code-bg:     #0c2236;
  --ng-code-text:   #cfe0ee;

  /* ── rebrand Bootstrap ── */
  --bs-primary: #0d7397;
  --bs-primary-rgb: 13, 115, 151;
  --bs-link-color-rgb: 13, 115, 151;
  --bs-link-hover-color-rgb: 10, 93, 122;
  --bs-border-radius: 2px;
  --bs-border-radius-sm: 2px;
  --bs-border-radius-lg: 3px;
  --bs-border-radius-xl: 3px;
  --bs-body-font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --bs-body-bg: #eef2f7;
  --bs-body-bg-rgb: 238, 242, 247;
  --bs-body-color: #243b51;
  --bs-emphasis-color: #11283f;
  --bs-secondary-color: #51677c;
  --bs-tertiary-bg: #e5ebf2;
  --bs-secondary-bg: #e9eef4;
  --bs-border-color: #c6d3e0;
}

[data-bs-theme="dark"] {
  --ng-paper:       #081726;
  --ng-panel:       #0e2235;
  --ng-band:        #0b1d2e;
  --ng-ink:         #e8f1f9;
  --ng-ink-soft:    #93a9bd;
  --ng-border:      #1d384f;
  --ng-border-str:  #285170;
  --ng-grid:        rgba(120,170,210,.075);
  --ng-grid-major:  rgba(120,170,210,.13);

  --ng-accent:      #2fb0db;
  --ng-accent-d:    #2491b5;
  --ng-accent-br:   #56cfe1;

  --ng-fill-nic:    #14283a;
  --ng-fill-v4:     #15301f;
  --ng-fill-v6:     #221d3a;
  --ng-fill-group:  #2e2716;
  --ng-fill-dns:    #142433;
  --ng-code-bg:     #061320;

  --bs-primary: #2fb0db;
  --bs-primary-rgb: 47, 176, 219;
  --bs-link-color-rgb: 86, 207, 225;
  --bs-link-hover-color-rgb: 140, 224, 236;
  --bs-body-bg: #081726;
  --bs-body-bg-rgb: 8, 23, 38;
  --bs-body-color: #c4d6e6;
  --bs-emphasis-color: #e8f1f9;
  --bs-secondary-color: #93a9bd;
  --bs-tertiary-bg: #0b1d2e;
  --bs-secondary-bg: #0e2235;
  --bs-border-color: #1d384f;
}

/* ───────────── base ───────────── */
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *,*::before,*::after { animation-duration:.001ms !important; transition-duration:.001ms !important; } }

/* whole site sits on a faint drafting grid */
body {
  line-height: 1.65;
  background-color: var(--bs-body-bg);
  background-image:
    linear-gradient(var(--ng-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--ng-grid) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: -1px -1px;
}

h1, h2, h3, .h1, .h2, .h3 { letter-spacing: -.015em; }
.py-6 { padding-top: clamp(56px, 8vw, 104px); padding-bottom: clamp(56px, 8vw, 104px); }

.ng-section-head { max-width: 720px; margin-bottom: clamp(36px, 5vw, 56px); }

/* spec-label kickers: `// LABEL` in mono */
.ng-kicker {
  font-family: var(--ng-mono);
  font-size: .76rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .18em; color: var(--ng-accent); margin-bottom: .7rem;
}
.ng-kicker::before { content: "// "; opacity: .65; }
.ng-kicker-light { color: var(--ng-accent-br); }

code {
  font-family: var(--ng-mono);
  color: var(--bs-emphasis-color);
  background: rgba(var(--bs-primary-rgb), .10);
  border: 1px solid rgba(var(--bs-primary-rgb), .22);
  padding: .08em .4em; border-radius: 2px; font-size: .85em;
}
kbd { font-family: var(--ng-mono); font-size: .8em; border-radius: 2px; }

/* reusable crop-mark corner ticks (top-left + bottom-right) */
.ng-ticks { position: relative; }
.ng-ticks::before, .ng-ticks::after {
  content: ""; position: absolute; width: 9px; height: 9px;
  border-color: var(--ng-accent); border-style: solid; opacity: .9; pointer-events: none;
}
.ng-ticks::before { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.ng-ticks::after  { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }

/* ───────────── buttons (mono, rectangular, technical) ───────────── */
.btn {
  font-family: var(--ng-mono);
  font-weight: 600; font-size: .82rem;
  text-transform: uppercase; letter-spacing: .06em;
  border-radius: 2px; border-width: 1px;
}
.btn-lg { padding: .72rem 1.3rem; font-size: .84rem; }
.btn-primary {
  --bs-btn-bg: var(--ng-accent);
  --bs-btn-border-color: var(--ng-accent);
  --bs-btn-hover-bg: var(--ng-accent-d);
  --bs-btn-hover-border-color: var(--ng-accent-d);
  --bs-btn-active-bg: var(--ng-accent-d);
  --bs-btn-active-border-color: var(--ng-accent-d);
  --bs-btn-disabled-bg: var(--ng-accent);
  --bs-btn-disabled-border-color: var(--ng-accent);
  --bs-btn-color: #fff; --bs-btn-hover-color: #fff; --bs-btn-active-color: #fff;
}
[data-bs-theme="dark"] .btn-primary { --bs-btn-color: #051420; --bs-btn-hover-color: #051420; --bs-btn-active-color: #051420; }
.btn-outline-secondary {
  --bs-btn-color: var(--bs-emphasis-color);
  --bs-btn-border-color: var(--ng-border-str);
  --bs-btn-hover-bg: var(--ng-accent);
  --bs-btn-hover-border-color: var(--ng-accent);
  --bs-btn-hover-color: #fff;
  --bs-btn-active-bg: var(--ng-accent);
  --bs-btn-active-border-color: var(--ng-accent);
}
[data-bs-theme="dark"] .btn-outline-secondary { --bs-btn-hover-color: #051420; --bs-btn-active-color: #051420; }
.btn-icon { display: inline-grid; place-items: center; width: 42px; height: 42px; padding: 0; }

.nav-pills { --bs-nav-pills-border-radius: 2px; }
.nav-pills .nav-link {
  font-family: var(--ng-mono); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em;
  color: var(--bs-body-color); font-weight: 600; border: 1px solid var(--ng-border); border-radius: 2px;
}
.nav-pills .nav-link.active { background: var(--ng-accent); color: #fff; }
[data-bs-theme="dark"] .nav-pills .nav-link.active { color: #051420; }
.nav-pills .nav-link:not(.active):hover { border-color: var(--ng-accent); color: var(--ng-accent); }
.btn-check:checked + .btn-outline-secondary { background: var(--ng-accent); border-color: var(--ng-accent); color: #fff; }
[data-bs-theme="dark"] .btn-check:checked + .btn-outline-secondary { color: #051420; }

/* ───────────── navbar (ruled bar, no glass) ───────────── */
.ng-navbar {
  background: var(--bs-body-bg);
  border-bottom: 1px solid var(--ng-border);
}
.ng-navbar .navbar-brand { font-size: 1.2rem; letter-spacing: -.02em; }
.ng-navbar .nav-link {
  font-family: var(--ng-mono); font-size: .82rem; text-transform: uppercase; letter-spacing: .04em;
  font-weight: 550; color: var(--bs-secondary-color);
}
.ng-navbar .nav-link:hover, .ng-navbar .nav-link.active { color: var(--ng-accent); }
.ng-badge-alpha {
  font-family: var(--ng-mono);
  font-size: .58rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--ng-tan); background: rgba(179,134,60,.12);
  border: 1px solid rgba(179,134,60,.45); border-radius: 2px;
}
[data-bs-theme="dark"] .ng-badge-alpha { color: #e0b463; }
.theme-icon-dark { display: none; }
[data-bs-theme="dark"] .theme-icon-light { display: none; }
[data-bs-theme="dark"] .theme-icon-dark { display: inline; }

/* ───────────── hero ───────────── */
.ng-hero { padding-top: clamp(24px, 4vw, 48px); }
.ng-hero-grid {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    radial-gradient(circle at 50% -10%, rgba(var(--bs-primary-rgb), .14), transparent 58%),
    linear-gradient(var(--ng-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--ng-grid) 1px, transparent 1px),
    linear-gradient(var(--ng-grid-major) 1px, transparent 1px),
    linear-gradient(90deg, var(--ng-grid-major) 1px, transparent 1px);
  background-size: 100% 100%, 24px 24px, 24px 24px, 120px 120px, 120px 120px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 55%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, #000 55%, transparent 100%);
}
.ng-h1 { letter-spacing: -.03em; line-height: 1.05; }
.ng-lead { max-width: 42ch; }

/* highlighted hero words: drafting-marker, not rainbow gradient */
.ng-grad {
  color: var(--ng-accent);
  background: none; -webkit-text-fill-color: currentColor;
  box-shadow: inset 0 -.14em 0 rgba(var(--bs-primary-rgb), .16);
  border-bottom: 2px dashed var(--ng-accent);
  padding-bottom: .02em;
}
[data-bs-theme="dark"] .ng-grad { color: var(--ng-accent-br); border-bottom-color: var(--ng-accent-br); }

.ng-eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--ng-mono); font-size: .8rem; font-weight: 500;
  color: var(--bs-secondary-color); background: var(--ng-panel);
  border: 1px solid var(--ng-border); padding: .4em .85em; border-radius: 2px;
}
.ng-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--ng-green-br); box-shadow: 0 0 0 0 rgba(46,158,79,.6); animation: ng-pulse 2.4s infinite; }
@keyframes ng-pulse { 0%{ box-shadow:0 0 0 0 rgba(46,158,79,.55);} 70%{ box-shadow:0 0 0 8px rgba(46,158,79,0);} 100%{ box-shadow:0 0 0 0 rgba(46,158,79,0);} }

.ng-snippet { display: flex; align-items: center; gap: 8px; background: var(--ng-code-bg); border: 1px solid var(--ng-accent); border-radius: 2px; padding: 6px 6px 6px 16px; max-width: 560px; }
.ng-snippet-text { font-family: var(--ng-mono); color: var(--ng-code-text); font-size: .84rem; background: none; border: 0; padding: 0; white-space: nowrap; overflow-x: auto; flex: 1; scrollbar-width: none; }
.ng-snippet-text::-webkit-scrollbar { display: none; }
.ng-prompt { color: #56cfe1; user-select: none; margin-right: 8px; }
.ng-copy { flex-shrink: 0; background: rgba(255,255,255,.08); color: #cfe0ee; border: 1px solid rgba(255,255,255,.2); border-radius: 2px; }
.ng-copy:hover { background: rgba(255,255,255,.2); color: #fff; }
.ng-copy.copied { background: var(--ng-green-br); border-color: var(--ng-green-br); color: #fff; }

/* hero illustration — framed schematic with crop marks */
.ng-art { max-width: 480px; padding: 18px; border: 1px solid var(--ng-border); background: var(--ng-panel); }
.ng-art::before, .ng-art::after,
.ng-art > .ng-canvas { position: relative; }
.ng-art { position: relative; }
.ng-art::before, .ng-art::after {
  content: ""; position: absolute; width: 12px; height: 12px;
  border-color: var(--ng-accent); border-style: solid; pointer-events: none;
}
.ng-art::before { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.ng-art::after  { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }
.ng-canvas { width: 100%; }
.ng-canvas .ng-t { font: 700 13px var(--bs-body-font-family); fill: var(--bs-emphasis-color); }
.ng-canvas .ng-s { font: 500 9.5px var(--ng-mono); fill: var(--bs-secondary-color); }
.ng-node rect { stroke-width: 2; }
.ng-nic rect  { fill: var(--ng-fill-nic);   stroke: var(--ng-blue); }
.ng-v4 rect   { fill: var(--ng-fill-v4);    stroke: var(--ng-green); }
.ng-v6 rect   { fill: var(--ng-fill-v6);    stroke: var(--ng-purple); }
.ng-bond rect { fill: var(--ng-fill-group); stroke: var(--ng-tan); }
.ng-vlan rect { fill: var(--ng-fill-nic);   stroke: var(--ng-blue); stroke-dasharray: 4 3; }
.ng-draft rect{ fill: var(--ng-fill-v4);    stroke: var(--ng-green); stroke-dasharray: 5 4; }
.ng-wires { stroke: var(--ng-line); stroke-width: 2; fill: none; }
.ng-wire { stroke-dasharray: 6 6; animation: ng-flow 1.6s linear infinite; }
@keyframes ng-flow { to { stroke-dashoffset: -24; } }
.ng-live { fill: var(--ng-green-br); }
.ng-ghost { animation: ng-drift 5s ease-in-out infinite; }
@keyframes ng-drift { 0%,100%{ transform: translate(0,0);} 50%{ transform: translate(-6px,10px);} }
.ng-nic { animation: ng-float 6s ease-in-out infinite; }
.ng-v6  { animation: ng-float 6s ease-in-out infinite .8s; }
@keyframes ng-float { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-4px);} }

/* ───────────── backends strip (ruled spec band) ───────────── */
.ng-strip { background: var(--bs-tertiary-bg); }
.ng-tracking { font-family: var(--ng-mono); letter-spacing: .14em; }
.ng-backend {
  font-family: var(--ng-mono); font-weight: 600; color: var(--bs-secondary-color);
  font-size: .92rem; letter-spacing: 0; padding: 0 .9rem; position: relative;
}
.ng-backend + .ng-backend::before {
  content: ""; position: absolute; left: -.05rem; top: 50%; transform: translateY(-50%);
  width: 1px; height: 1.1em; background: var(--ng-border-str);
}

/* ───────────── cards (hard-edged drawing tiles) ───────────── */
.ng-card { border: 1px solid var(--ng-border); border-radius: 2px; background: var(--ng-panel); box-shadow: none; transition: transform .15s ease, border-color .15s ease; }
.ng-feature { position: relative; }
.ng-feature::before {
  content: ""; position: absolute; top: -1px; left: -1px; width: 10px; height: 10px;
  border-top: 1px solid var(--ng-accent); border-left: 1px solid var(--ng-accent);
  opacity: 0; transition: opacity .15s ease;
}
.ng-feature:hover { transform: translateY(-3px); border-color: var(--ng-accent); }
.ng-feature:hover::before { opacity: 1; }
.ng-feat-ico { width: 46px; height: 46px; border-radius: 2px; display: grid; place-items: center; font-size: 1.3rem; margin-bottom: 14px; border: 1px solid var(--ng-border); }
.ng-ico-blue { background: var(--ng-fill-nic); color: var(--ng-blue); }
.ng-ico-green { background: var(--ng-fill-v4); color: var(--ng-green); }
.ng-ico-purple { background: var(--ng-fill-v6); color: var(--ng-purple); }
.ng-ico-tan { background: var(--ng-fill-group); color: var(--ng-tan); }
.ng-ico-dns { background: var(--ng-fill-dns); color: var(--ng-line); }
[data-bs-theme="dark"] .ng-ico-blue { color: #7fb6da; }
[data-bs-theme="dark"] .ng-ico-green { color: #6cc77f; }
[data-bs-theme="dark"] .ng-ico-purple { color: #a78bdb; }
[data-bs-theme="dark"] .ng-ico-tan { color: #e0b463; }

/* legend */
.ng-legend { position: sticky; top: 88px; }
.ng-swatch { width: 26px; height: 20px; border-radius: 1px; flex-shrink: 0; border: 2px solid; }
.ng-sw-nic { background: var(--ng-fill-nic); border-color: var(--ng-blue); }
.ng-sw-group { background: var(--ng-fill-group); border-color: var(--ng-tan); }
.ng-sw-virtual { background: var(--ng-fill-nic); border-color: var(--ng-blue); border-style: dashed; }
.ng-sw-v4 { background: var(--ng-fill-v4); border-color: var(--ng-green); }
.ng-sw-v6 { background: var(--ng-fill-v6); border-color: var(--ng-purple); }
.ng-sw-dns { background: var(--ng-fill-dns); border-color: var(--ng-line); }

/* steps — mono index plates */
.ng-step { display: flex; gap: 16px; padding: 20px; border-radius: 2px; border: 1px solid transparent; transition: background-color .15s, border-color .15s; }
.ng-step:hover { background: var(--ng-panel); border-color: var(--ng-border); }
.ng-step-num {
  flex-shrink: 0; width: 36px; height: 36px; border-radius: 2px; display: grid; place-items: center;
  font-family: var(--ng-mono); font-weight: 700; color: var(--ng-accent);
  background: rgba(var(--bs-primary-rgb), .08); border: 1px solid var(--ng-accent);
}

/* ───────────── safety / terminal ───────────── */
.ng-checks li { color: var(--bs-secondary-color); }
.ng-checks i { color: var(--ng-green-br); margin-right: .55rem; }
[data-bs-theme="dark"] .ng-checks i { color: #5cd17c; }

.ng-terminal { border-radius: 2px; overflow: hidden; border: 1px solid var(--ng-border-str); }
/* window titlebar — title LEFT, controls RIGHT (Linux/GNOME), square + monochrome */
.ng-term-bar, .ng-shot-bar { display: flex; align-items: center; gap: 8px; padding: 10px 14px; background: var(--ng-code-bg); }
.ng-shot-bar { background: #0c2236; }
.ng-tdot { order: 2; width: 11px; height: 11px; border-radius: 1px; background: rgba(207,224,238,.18); border: 1px solid rgba(207,224,238,.28); }
.ng-tdot:last-child { background: rgba(207,224,238,.28); }
.ng-term-title { order: 1; margin-right: auto; font-family: var(--ng-mono); color: #8ba6bf; font-size: .8rem; font-weight: 500; letter-spacing: .02em; }
.ng-term-body { margin: 0; padding: 20px; background: var(--ng-code-bg); color: var(--ng-code-text); font-size: .82rem; line-height: 1.85; overflow-x: auto; font-family: var(--ng-mono); }
.c-comment { color: #5e7d97; }
.c-prompt { color: #56cfe1; font-weight: 700; }
.c-ok { color: #5cd17c; font-weight: 700; }
.c-muted { color: #5e7081; }

/* ───────────── screenshots ───────────── */
.ng-shot { border-radius: 2px; overflow: hidden; border: 1px solid var(--ng-border-str); max-width: 1000px; background: var(--ng-panel); }
.ng-shot img { display: block; width: 100%; height: auto; }

/* ───────────── install code blocks ───────────── */
.ng-install { max-width: 760px; }
.ng-code { position: relative; background: var(--ng-code-bg); border: 1px solid var(--ng-border-str); border-radius: 2px; overflow: hidden; }
.ng-code pre { margin: 0; padding: 22px 20px; overflow-x: auto; }
.ng-code code { background: none; border: 0; padding: 0; color: var(--ng-code-text); font-size: .88rem; line-height: 1.9; font-family: var(--ng-mono); }
.ng-copy-abs { position: absolute; top: 12px; right: 12px; z-index: 2; }
.ng-code-plain { background: var(--ng-panel); border: 1px solid var(--ng-border); padding: 22px 24px; }
.ng-code-plain p { color: var(--bs-secondary-color); }
.ng-req { border: 1px solid var(--ng-border); border-radius: 2px; }
.ng-req-k { font-family: var(--ng-mono); font-size: .68rem; text-transform: uppercase; letter-spacing: .1em; color: var(--ng-accent); font-weight: 600; margin-bottom: 4px; }
.ng-req-v { font-weight: 700; color: var(--bs-emphasis-color); font-size: .94rem; }

/* ───────────── sponsor (deep blueprint panel) ───────────── */
.ng-sponsor { background: #0a1c2e; border-top: 1px solid var(--ng-border); border-bottom: 1px solid var(--ng-border); }
[data-bs-theme="dark"] .ng-sponsor { background: #061320; }
.ng-sponsor::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(120,170,210,.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,170,210,.07) 1px, transparent 1px),
    linear-gradient(rgba(120,170,210,.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,170,210,.12) 1px, transparent 1px);
  background-size: 24px 24px, 24px 24px, 120px 120px, 120px 120px;
}
.ng-sponsor .ng-kicker-light { color: #56cfe1; }
.ng-sponsor-sub { color: #aec4d6; max-width: 52ch; }
.ng-perks li { color: #cfdeea; font-weight: 500; }
.ng-perks i { color: #7fe39b; margin-right: .5rem; }
.ng-sponsor-fine { color: #8aa1b5; }
.ng-logo-slot {
  aspect-ratio: 16/10; border: 1px dashed rgba(174,196,214,.4); border-radius: 2px;
  display: grid; place-items: center; color: rgba(174,196,214,.65);
  font-family: var(--ng-mono); font-weight: 500; font-size: .82rem; text-transform: uppercase; letter-spacing: .04em;
  background: rgba(120,170,210,.03); transition: .15s;
}
.ng-logo-slot:hover { border-color: rgba(86,207,225,.7); color: #cfe0ee; background: rgba(86,207,225,.06); }
.ng-logo-cta { border-style: solid; border-color: var(--ng-green-br); color: #7fe39b; }

/* ───────────── footer (blueprint navy, faint grid) ───────────── */
.ng-footer { position: relative; background: #07182a; color: #aec4d6; border-top: 1px solid var(--ng-border); }
[data-bs-theme="dark"] .ng-footer { background: #050f1a; }
.ng-footer > * { position: relative; z-index: 1; }
.ng-footer::before {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(120,170,210,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,170,210,.05) 1px, transparent 1px);
  background-size: 24px 24px;
}
.ng-footer .text-primary { color: #56cfe1 !important; }
.ng-footer-tag { color: #8aa1b5; max-width: 32ch; font-size: .95rem; }
.ng-footer-h { font-family: var(--ng-mono); color: #cfe0ee; font-size: .72rem; text-transform: uppercase; letter-spacing: .14em; margin-bottom: 14px; }
.ng-footer-h::before { content: "// "; color: #56cfe1; opacity: .7; }
.ng-footer a:not(.navbar-brand) { display: block; color: #8aa1b5; font-size: .93rem; padding: 4px 0; text-decoration: none; }
.ng-footer a:not(.navbar-brand):hover { color: #fff; }
.ng-footer-social a:not(.navbar-brand) {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px; padding: 0; border-radius: 9px;
  border: 1px solid var(--ng-border); color: #aec4d6; font-size: 1.05rem;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.ng-footer-social a:not(.navbar-brand):hover { background: #56cfe1; border-color: #56cfe1; color: #07182a; }
.ng-footer-bottom { font-size: .85rem; color: #76889b; }
.ng-footer-bottom a { color: #aec4d6; }
.ng-footer-alpha { font-family: var(--ng-mono); color: var(--ng-tan); }

/* ───────────── responsive niceties ───────────── */
@media (max-width: 991.98px) {
  .ng-legend { position: static; }
  .ng-art { margin-bottom: 1rem; }
}
@media (max-width: 575.98px) {
  .btn-lg { width: 100%; justify-content: center; }
  .ng-h1 { font-size: 2.5rem; }
}