/* ===========================================================
   inno8cube Research — Secure Networks
   Palette: deep navy foundation, electric blue → cyan accent
   =========================================================== */
:root {
  --bg:        #070D22;
  --bg-2:      #0A1533;
  --panel:     #0E1A3D;
  --ink:       #EAF0FF;
  --ink-soft:  #A9B6D9;
  --ink-dim:   #6C7BA6;
  --line:      rgba(120, 150, 220, 0.14);
  --line-strong: rgba(120, 150, 220, 0.30);
  --blue:      #2E6BFF;
  --cyan:      #22D3EE;
  --grad:      linear-gradient(115deg, #2E6BFF 0%, #4AA8FF 45%, #22D3EE 100%);
  --glow:      0 0 40px rgba(46, 107, 255, 0.35);
  --radius:    18px;
  --maxw:      1200px;
  --ease:      cubic-bezier(.22,.61,.36,1);
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
/* keep in-page anchors clear of the fixed nav */
section[id], main[id] { scroll-margin-top: 88px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, .brand-word, .step-n, .gc-metric { font-family: var(--font-display); }
a { color: inherit; text-decoration: none; }
img, svg { display: block; }
::selection { background: rgba(46,107,255,.4); color: #fff; }

/* ---------- background layers ---------- */
#mesh {
  position: fixed; inset: 0; z-index: 0;
  width: 100%; height: 100%;
  opacity: .9;
}
.aurora { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.blob {
  position: absolute; border-radius: 50%;
  filter: blur(90px); opacity: .5;
  mix-blend-mode: screen;
  animation: drift 26s var(--ease) infinite alternate;
}
.b1 { width: 46vw; height: 46vw; left: -8vw; top: -12vw;
      background: radial-gradient(circle, #1E4BC8, transparent 70%); }
.b2 { width: 40vw; height: 40vw; right: -6vw; top: 8vh;
      background: radial-gradient(circle, #12A7C4, transparent 70%); animation-delay: -8s; }
.b3 { width: 38vw; height: 38vw; left: 30vw; bottom: -18vw;
      background: radial-gradient(circle, #2E6BFF, transparent 70%); animation-delay: -14s; opacity:.35; }
@keyframes drift {
  0%   { transform: translate(0,0) scale(1); }
  100% { transform: translate(6vw,4vh) scale(1.15); }
}

/* keep content above bg */
.nav, main, .footer { position: relative; z-index: 2; }

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 40;
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px clamp(20px, 5vw, 56px);
  transition: background .4s var(--ease), backdrop-filter .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(7, 13, 34, 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { display: grid; place-items: center;
  filter: drop-shadow(0 0 10px rgba(46,107,255,.5)); }
.brand-word { font-weight: 600; font-size: 18px; letter-spacing: -.01em; }
.brand-word b { color: var(--cyan); font-weight: 700; }
.brand-word em {
  font-style: normal; font-family: var(--font-body); font-weight: 500;
  color: var(--ink-dim); margin-left: 7px; padding-left: 9px;
  border-left: 1px solid var(--line-strong); font-size: 13px;
  text-transform: uppercase; letter-spacing: .14em;
}
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a {
  padding: 9px 16px; border-radius: 10px; color: var(--ink-soft);
  font-size: 15px; font-weight: 450; transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--ink); background: rgba(120,150,220,.08); }
.nav-cta {
  background: var(--grad); color: #05122e !important; font-weight: 600 !important;
  box-shadow: var(--glow);
  transition: filter .2s, box-shadow .3s, transform .2s var(--ease);
}
/* higher specificity than `.nav-links a:hover` so the gradient is kept */
.nav-links a.nav-cta:hover {
  background: var(--grad);
  filter: brightness(1.08);
  transform: translateY(-1px);
  box-shadow: 0 6px 26px rgba(46, 107, 255, 0.55);
}
.nav-burger { display: none; background: none; border: 0; cursor: pointer;
  width: 42px; height: 42px; padding: 10px; }
.nav-burger span { display: block; height: 2px; background: var(--ink);
  border-radius: 2px; margin: 4px 0; transition: .3s var(--ease); }

/* ---------- layout helpers ---------- */
.section { max-width: var(--maxw); margin: 0 auto; padding: clamp(80px,12vh,150px) clamp(20px,5vw,56px); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 13px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 20px;
}
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 12px var(--cyan); animation: pulse 2.2s infinite; }
@keyframes pulse { 50% { opacity: .3; transform: scale(.7); } }
.section-head { max-width: 660px; margin-bottom: 56px; }
.section-head h2 { font-size: clamp(30px, 4.5vw, 48px); line-height: 1.08;
  letter-spacing: -.02em; margin: 0 0 16px; font-weight: 600; }
.section-head p { color: var(--ink-soft); font-size: 18px; margin: 0; }

/* ---------- hero ---------- */
.hero {
  max-width: var(--maxw); margin: 0 auto; position: relative;
  min-height: 100vh; display: grid; grid-template-columns: 1.05fr .95fr;
  align-items: center; gap: 40px;
  padding: 120px clamp(20px,5vw,56px) 80px;
}
.hero-copy { max-width: 620px; }
.hero h1 {
  font-size: clamp(44px, 7vw, 84px); line-height: .98; letter-spacing: -.035em;
  font-weight: 700; margin: 0 0 26px;
}
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; }
.lede { font-size: clamp(17px,1.6vw,20px); color: var(--ink-soft); max-width: 540px; margin: 0 0 36px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 54px; }
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 14px 26px; border-radius: 12px; font-weight: 600; font-size: 15.5px;
  cursor: pointer; transition: transform .2s var(--ease), box-shadow .3s, filter .2s, background .2s;
  border: 1px solid transparent;
}
.btn svg { transition: transform .25s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn-primary { background: var(--grad); color: #05122e; box-shadow: var(--glow); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 40px rgba(46,107,255,.5); }
.btn-ghost { background: rgba(120,150,220,.06); color: var(--ink); border-color: var(--line-strong); }
.btn-ghost:hover { background: rgba(120,150,220,.12); border-color: var(--cyan); }

.hero-stats { display: flex; gap: 40px; margin: 0; padding-top: 30px;
  border-top: 1px solid var(--line); }
.hero-stats dt { font-size: 40px; font-weight: 700; line-height: 1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; margin-bottom: 6px; }
.hero-stats dd { margin: 0; font-size: 13.5px; color: var(--ink-dim);
  letter-spacing: .02em; }

/* hero floating cards */
.hero-stage { position: relative; height: 520px; }
.glass-card {
  position: absolute; padding: 20px 22px; border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(20,34,74,.72), rgba(10,18,45,.5));
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(14px);
  box-shadow: 0 24px 60px -20px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,255,255,.06);
  will-change: transform;
  animation: float 8s var(--ease) infinite;
}
.gc1 { top: 6%; left: 2%; width: 230px; animation-delay: -1s; }
.gc2 { top: 40%; right: 0%; width: 200px; animation-delay: -3.5s; }
.gc3 { bottom: 4%; left: 14%; width: 240px; animation-delay: -5.5s; }
@keyframes float { 50% { transform: translateY(-16px); } }
.gc-tag { font-size: 11px; letter-spacing: .16em; color: var(--cyan); font-weight: 600; margin-bottom: 12px; }
.gc-title { font-size: 18px; font-weight: 600; font-family: var(--font-display); }
.gc-metric { font-size: 46px; font-weight: 700; line-height: 1;
  background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.gc-metric small { font-size: 22px; }
.gc-sub { font-size: 13px; color: var(--ink-dim); margin-top: 6px; }
.gc-spark { display: flex; align-items: flex-end; gap: 6px; height: 40px; margin-top: 14px; }
.gc-spark span { flex: 1; background: var(--grad); border-radius: 3px; opacity: .85;
  animation: bar 1.8s var(--ease) infinite; }
.gc-spark span:nth-child(1){height:40%;animation-delay:0s}
.gc-spark span:nth-child(2){height:70%;animation-delay:.2s}
.gc-spark span:nth-child(3){height:50%;animation-delay:.4s}
.gc-spark span:nth-child(4){height:90%;animation-delay:.6s}
.gc-spark span:nth-child(5){height:60%;animation-delay:.8s}
@keyframes bar { 50% { transform: scaleY(.55); } }
.gc-nodes { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin-top: 14px; }
.gc-nodes i { aspect-ratio: 1; border-radius: 8px; border: 1px solid var(--line-strong);
  background: rgba(46,107,255,.12); }
.gc-nodes i:nth-child(3n+1){ background: rgba(34,211,238,.18); border-color: rgba(34,211,238,.4); }

.ring { position: absolute; border-radius: 50%; border: 1px solid var(--line);
  left: 50%; top: 50%; transform: translate(-50%,-50%); pointer-events: none; }
.r1 { width: 420px; height: 420px; animation: spin 40s linear infinite; }
.r2 { width: 300px; height: 300px; border-style: dashed; border-color: var(--line-strong);
  animation: spin 30s linear infinite reverse; }
@keyframes spin { to { transform: translate(-50%,-50%) rotate(360deg); } }

.scroll-cue { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  width: 26px; height: 42px; border: 2px solid var(--line-strong); border-radius: 14px;
  display: grid; justify-items: center; padding-top: 7px; }
.scroll-cue span { width: 4px; height: 8px; border-radius: 3px; background: var(--cyan);
  animation: cue 1.6s var(--ease) infinite; }
@keyframes cue { 0%{opacity:0;transform:translateY(-4px)} 40%{opacity:1} 80%{opacity:0;transform:translateY(12px)} }

/* ---------- marquee ---------- */
.marquee { overflow: hidden; border-block: 1px solid var(--line);
  background: rgba(10,18,45,.4); padding: 20px 0; }
.marquee-track { display: flex; gap: 30px; width: max-content;
  animation: scroll 32s linear infinite; }
.marquee-track span { font-family: var(--font-display); font-size: 20px; font-weight: 500;
  color: var(--ink-dim); white-space: nowrap; }
.marquee-track span:nth-child(3n+1){ color: var(--ink); }
@keyframes scroll { to { transform: translateX(-50%); } }

/* ---------- research grid ---------- */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  position: relative; padding: 30px; border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(16,26,61,.6), rgba(10,18,45,.35));
  border: 1px solid var(--line); overflow: hidden;
  transition: transform .4s var(--ease), border-color .4s, box-shadow .4s;
}
.card::before {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: var(--grad); opacity: 0;
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude; transition: opacity .4s;
}
.card::after {
  content: ""; position: absolute; width: 260px; height: 260px; border-radius: 50%;
  background: radial-gradient(circle, rgba(46,107,255,.28), transparent 65%);
  left: var(--mx, 50%); top: var(--my, 0%); transform: translate(-50%,-50%);
  opacity: 0; transition: opacity .4s; pointer-events: none;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 30px 60px -30px rgba(0,0,0,.8); }
.card:hover::before { opacity: .9; }
.card:hover::after { opacity: 1; }
.card-icon { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: rgba(46,107,255,.12); border: 1px solid var(--line-strong); margin-bottom: 22px; }
.card-icon svg { width: 26px; height: 26px; }
.card h3 { font-size: 21px; margin: 0 0 10px; font-weight: 600; letter-spacing: -.01em; }
.card p { color: var(--ink-soft); font-size: 15px; margin: 0 0 18px; }
.card-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.card-tags span { font-size: 12px; color: var(--ink-dim); padding: 4px 10px;
  border: 1px solid var(--line); border-radius: 20px; }
.card-index { position: absolute; top: 24px; right: 26px; font-family: var(--font-display);
  font-size: 13px; color: var(--ink-dim); letter-spacing: .1em; }

/* ---------- approach ---------- */
.approach { max-width: var(--maxw); }
.steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.step { padding: 28px 24px; border-radius: var(--radius); border: 1px solid var(--line);
  background: rgba(10,18,45,.35); position: relative; }
.step-n { font-size: 28px; font-weight: 700; background: var(--grad);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.step h3 { font-size: 19px; margin: 14px 0 8px; font-weight: 600; }
.step p { color: var(--ink-soft); font-size: 14.5px; margin: 0; }

/* ---------- concept / reference model ---------- */
.needs { list-style: none; margin: 0 0 56px; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.needs li { display: flex; align-items: center; gap: 14px;
  padding: 16px 18px; border-radius: 14px; border: 1px solid var(--line);
  background: rgba(10,18,45,.35); font-size: 15px; color: var(--ink-soft); }
.need-ic { flex: 0 0 40px; width: 40px; height: 40px; border-radius: 11px;
  display: grid; place-items: center; background: rgba(46,107,255,.12);
  border: 1px solid var(--line-strong); }
.need-ic svg { width: 20px; height: 20px; fill: none; stroke: url(#cubeGrad);
  stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

.planes { margin: 0; padding: 0; }
.plane-row { display: flex; align-items: stretch; gap: 0; }
.plane { flex: 1 1 0; min-width: 0; position: relative;
  padding: 26px 22px 24px; border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(16,26,61,.7), rgba(10,18,45,.4));
  border: 1px solid var(--line); overflow: hidden;
  transition: transform .35s var(--ease), border-color .35s, box-shadow .35s; }
.plane::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px;
  background: var(--grad); opacity: .8; }
.plane:hover { transform: translateY(-5px); border-color: var(--line-strong);
  box-shadow: 0 26px 50px -28px rgba(0,0,0,.85); }
.plane-n { font-family: var(--font-display); font-size: 12px; color: var(--ink-dim);
  letter-spacing: .12em; position: absolute; top: 18px; right: 20px; }
.plane-tag { font-size: 11px; letter-spacing: .18em; font-weight: 600;
  color: var(--cyan); margin-bottom: 14px; }
.plane-title { font-family: var(--font-display); font-size: 17px; font-weight: 600;
  line-height: 1.25; margin-bottom: 8px; }
.plane-sub { font-size: 13px; color: var(--ink-dim); line-height: 1.4; }

/* flow connector between planes */
.flow { flex: 0 0 46px; align-self: center; position: relative; height: 2px;
  margin: 0 -1px; background: linear-gradient(90deg, transparent, var(--line-strong) 30%, var(--line-strong) 70%, transparent); }
.flow::after { content: ""; position: absolute; right: 2px; top: 50%;
  width: 7px; height: 7px; border-top: 2px solid var(--line-strong);
  border-right: 2px solid var(--line-strong); transform: translateY(-50%) rotate(45deg); }
.flow-dot { position: absolute; top: 50%; left: 0; width: 7px; height: 7px;
  border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px var(--cyan);
  transform: translateY(-50%); animation: flowmove 2.4s linear infinite; }
.flow:nth-of-type(4) .flow-dot { animation-delay: .5s; }
.flow:nth-of-type(6) .flow-dot { animation-delay: 1s; }
@keyframes flowmove {
  0% { left: 2%; opacity: 0; } 12% { opacity: 1; }
  88% { opacity: 1; } 100% { left: 98%; opacity: 0; }
}

/* telemetry -> AI feedback loop */
.loop { position: relative; height: 56px; margin-top: 6px; }
.loop-svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.loop-path { stroke: var(--line-strong); stroke-width: 1.5;
  stroke-dasharray: 7 9; animation: loopflow 1.6s linear infinite; }
@keyframes loopflow { to { stroke-dashoffset: -32; } }
.loop-label { position: absolute; left: 50%; bottom: 2px; transform: translateX(-50%);
  padding: 5px 16px; border-radius: 20px; font-size: 12.5px; font-weight: 500;
  color: var(--cyan); background: rgba(7,13,34,.9); border: 1px solid var(--line-strong);
  white-space: nowrap; }
.concept-note { text-align: center; color: var(--ink-dim); font-size: 13px;
  margin: 22px 0 0; }

/* ---------- use cases ---------- */
.cases { display: flex; flex-direction: column; gap: 16px; }
.case {
  display: grid; grid-template-columns: 60px 1fr auto; align-items: center; gap: 24px;
  padding: 26px 30px; border-radius: var(--radius); border: 1px solid var(--line);
  background: linear-gradient(100deg, rgba(16,26,61,.5), rgba(10,18,45,.3));
  transition: border-color .3s, transform .3s var(--ease), background .3s;
}
.case:hover { border-color: var(--line-strong); transform: translateX(6px);
  background: linear-gradient(100deg, rgba(20,34,74,.7), rgba(10,18,45,.4)); }
.case-num { font-family: var(--font-display); font-size: 15px; color: var(--cyan); font-weight: 600; }
.case-body h3 { font-size: 20px; margin: 0 0 4px; font-weight: 600; }
.case-body p { margin: 0; color: var(--ink-soft); font-size: 14.5px; }
.case-arrow { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
  border: 1px solid var(--line-strong); color: var(--cyan); transition: background .3s, transform .3s; }
.case:hover .case-arrow { background: var(--grad); color: #05122e; transform: rotate(-45deg); }

/* ---------- CTA ---------- */
.cta { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(20px,5vw,56px) 120px; }
.cta-inner {
  text-align: center; padding: clamp(50px,8vw,90px) 30px; border-radius: 28px;
  background: linear-gradient(150deg, rgba(20,34,74,.8), rgba(10,18,45,.5));
  border: 1px solid var(--line-strong); position: relative; overflow: hidden;
}
.cta-inner::before { content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% -20%, rgba(46,107,255,.35), transparent 60%); }
.cta-inner > * { position: relative; }
.cta-inner h2 { font-size: clamp(30px,5vw,52px); margin: 0 0 14px; letter-spacing: -.02em; font-weight: 600; }
.cta-inner p { color: var(--ink-soft); font-size: 18px; max-width: 520px; margin: 0 auto 32px; }

/* ---------- footer ---------- */
.footer { max-width: var(--maxw); margin: 0 auto; padding: 40px clamp(20px,5vw,56px) 60px;
  display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 20px;
  border-top: 1px solid var(--line); }
.footer-brand p { margin: 6px 0 0; color: var(--ink-dim); font-size: 13px; }
.footer-meta { display: flex; gap: 24px; color: var(--ink-dim); font-size: 13px; }

/* ---------- reveal animation ---------- */
.reveal, .card, .step, .case { opacity: 0; transform: translateY(28px);
  transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in, .card.in, .step.in, .case.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 130px; }
  .hero-stage { display: none; }
  .grid, .steps { grid-template-columns: 1fr 1fr; }
  .nav-links { display: none; }
  .nav-burger { display: block; }
  .nav-links.open { display: flex; position: fixed; inset: 66px 0 auto;
    flex-direction: column; background: rgba(7,13,34,.96); backdrop-filter: blur(20px);
    padding: 20px; gap: 6px; border-bottom: 1px solid var(--line); }
  .nav-links.open a { padding: 14px; }
}
@media (max-width: 560px) {
  .grid, .steps { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .case { grid-template-columns: 1fr auto; }
  .case-num { display: none; }
  .footer { flex-direction: column; align-items: flex-start; }
}

/* concept diagram: stack on small screens */
@media (max-width: 820px) {
  .needs { grid-template-columns: 1fr 1fr; }
  .plane-row { flex-direction: column; }
  .plane::before { inset: 0 auto 0 0; width: 3px; height: auto; }
  .flow { width: 2px; height: 32px; align-self: center; margin: -1px 0;
    background: linear-gradient(180deg, transparent, var(--line-strong) 30%, var(--line-strong) 70%, transparent); }
  .flow::after { right: auto; left: 50%; top: auto; bottom: 1px;
    transform: translateX(-50%) rotate(135deg); }
  .flow-dot { left: 50%; top: 0; transform: translateX(-50%);
    animation-name: flowmove-v; }
  .loop { display: none; }
}
@keyframes flowmove-v {
  0% { top: 2%; opacity: 0; } 12% { opacity: 1; }
  88% { opacity: 1; } 100% { top: 98%; opacity: 0; }
}
@media (max-width: 480px) { .needs { grid-template-columns: 1fr; } }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: .01ms !important; }
  #mesh { display: none; }
  .reveal, .card, .step, .case { opacity: 1; transform: none; }
}