/* ============================================================
   NURON · one-page
   ============================================================ */

:root {
  --bg: #05070d;
  --bg-2: #080b14;
  --logo-cream: #EDEBE4;
  --surface: rgba(255, 255, 255, 0.03);
  --surface-2: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);
  --text: #F2F3F5;
  --text-dim: #7C8696;
  --text-soft: #B0B8C5;

  --accent: #E8EAEE;
  --accent-2: #9AA3B2;
  --accent-3: #5EE7FF;

  --grad: linear-gradient(120deg, #F2F3F5 0%, #C9CFD8 55%, #5EE7FF 120%);
  --grad-cool: linear-gradient(135deg, #F2F3F5, #5EE7FF);
  --glow: 0 0 60px rgba(232, 234, 238, 0.10), 0 0 120px rgba(94, 231, 255, 0.10);

  --r-lg: 22px;
  --r-md: 14px;
  --r-sm: 10px;

  --ease: cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Heebo', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--accent); color: #000; }

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
img, svg { display: block; max-width: 100%; }

/* ============================================================
   Background layers
   ============================================================ */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: -3;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse 80% 60% at 70% -10%, rgba(124, 92, 255, .18), transparent 60%),
    radial-gradient(ellipse 70% 50% at 20% 10%, rgba(94, 231, 255, .15), transparent 60%),
    radial-gradient(ellipse 90% 80% at 50% 110%, rgba(0, 224, 164, .08), transparent 60%),
    var(--bg);
}

.grid-overlay {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 30%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 30%, #000 30%, transparent 80%);
  opacity: .6;
}

.noise {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='.7'/></svg>");
}

/* ============================================================
   Nav
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  padding: 18px 28px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: linear-gradient(180deg, rgba(5,7,13,.6), rgba(5,7,13,.2));
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.brand-mark {
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  border-radius: 10px;
  background: var(--logo-cream);
  overflow: hidden;
  box-shadow: 0 6px 18px -8px rgba(94,231,255,.25), 0 0 0 1px rgba(255,255,255,.06);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.brand:hover .brand-mark {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px -10px rgba(94,231,255,.35), 0 0 0 1px rgba(94,231,255,.2);
}
.brand-mark img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}
.brand-word {
  font-weight: 900;
  letter-spacing: .26em;
  font-size: 16px;
  color: var(--text);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  font-size: 14.5px;
  color: var(--text-dim);
  transition: color .2s var(--ease);
}
.nav-links a:hover { color: var(--text); }
.nav-cta {
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  color: var(--text) !important;
}
.nav-cta:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(94,231,255,.08);
}

/* ============================================================
   Buttons & shared
   ============================================================ */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 28px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: 1px solid var(--border-strong);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}
.btn svg { width: 18px; height: 18px; }
.btn-primary {
  background: var(--grad);
  color: #06080F;
  border-color: transparent;
  box-shadow: 0 12px 40px -10px rgba(94,231,255,.35), 0 6px 20px -8px rgba(255,255,255,.18);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 60px -10px rgba(94,231,255,.5), 0 10px 30px -8px rgba(255,255,255,.25);
}
.btn-ghost {
  background: var(--surface);
  color: var(--text);
}
.btn-ghost:hover {
  border-color: var(--accent);
  background: rgba(94,231,255,.07);
}

.tag {
  display: inline-block;
  padding: 6px 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: .15em;
  color: var(--accent);
  background: rgba(94,231,255,.07);
  border: 1px solid rgba(94,231,255,.18);
  border-radius: 999px;
  margin-bottom: 18px;
}

.gradient-text {
  background: var(--grad);
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}

.section {
  position: relative;
  padding: 130px 0;
}
.section-header {
  max-width: 820px;
  margin: 0 0 60px;
}
.section-header h2 {
  font-size: clamp(32px, 4.5vw, 56px);
  line-height: 1.08;
  font-weight: 800;
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}
.section-sub {
  font-size: 17px;
  color: var(--text-soft);
  max-width: 640px;
  margin: 0;
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 160px 28px 100px;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 64px;
  align-items: center;
  max-width: 1360px;
  margin: 0 auto;
}
.hero-shell { position: relative; z-index: 2; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
  color: var(--text-soft);
  margin-bottom: 28px;
}
.eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-3);
  box-shadow: 0 0 0 4px rgba(0,224,164,.18);
  animation: pulse 1.8s var(--ease) infinite;
}
@keyframes pulse {
  0%,100% { box-shadow: 0 0 0 4px rgba(0,224,164,.18); }
  50%     { box-shadow: 0 0 0 8px rgba(0,224,164,.02); }
}

.hero-title {
  font-size: clamp(40px, 6.2vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.022em;
  font-weight: 900;
  margin: 0 0 24px;
}
.hero-title .line { display: block; }
.hero-title .line:first-child {
  animation: rise .9s var(--ease) both;
}
.hero-title .line:last-child {
  animation: rise 1.1s var(--ease) .15s both;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-sub {
  font-size: 18.5px;
  color: var(--text-soft);
  max-width: 560px;
  margin: 0 0 36px;
  animation: rise 1.1s var(--ease) .3s both;
}

.hero-cta {
  display: flex;
  gap: 14px;
  margin-bottom: 64px;
  animation: rise 1.1s var(--ease) .45s both;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 560px;
  animation: rise 1.2s var(--ease) .6s both;
}
.stat {
  padding: 18px 0 0;
  border-top: 1px solid var(--border);
}
.stat-num {
  font-size: clamp(28px, 3.3vw, 38px);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--grad);
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.stat-num span {
  font-size: .65em;
  -webkit-text-fill-color: var(--accent);
}
.stat-label {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 4px;
  letter-spacing: .02em;
}

/* Hero panel — floating live dashboard */
.hero-panel {
  position: relative;
  z-index: 2;
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(20,24,38,.85), rgba(10,12,22,.75));
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--glow), 0 30px 80px -20px rgba(0,0,0,.7);
  overflow: hidden;
  animation: float 6s ease-in-out infinite, rise 1.2s var(--ease) .7s both;
}
@keyframes float {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-10px); }
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-dim);
}
.dots { display: flex; gap: 6px; }
.dots span {
  width: 10px; height: 10px; border-radius: 50%;
  background: rgba(255,255,255,.15);
}
.dots span:nth-child(1) { background: #FF6B6B; }
.dots span:nth-child(2) { background: #FFD166; }
.dots span:nth-child(3) { background: #06D6A0; }

.panel-body {
  padding: 22px 22px 26px;
  position: relative;
}
.panel-row {
  display: grid;
  grid-template-columns: 70px 1fr 50px;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12.5px;
}
.panel-key { color: var(--text-dim); letter-spacing: .12em; }
.panel-val { color: var(--accent); text-align: left; }
.bar {
  height: 6px;
  background: rgba(255,255,255,.06);
  border-radius: 6px;
  overflow: hidden;
}
.bar i {
  display: block;
  height: 100%;
  width: var(--w);
  background: var(--grad);
  border-radius: 6px;
  animation: load 2s var(--ease) .8s both;
  box-shadow: 0 0 16px rgba(94,231,255,.4);
}
@keyframes load {
  from { width: 0; }
}
.spark {
  width: 100%;
  height: 60px;
  margin-top: 6px;
}
.spark path {
  stroke-dasharray: 600;
  stroke-dashoffset: 600;
  animation: draw 2.2s var(--ease) 1s forwards;
}
@keyframes draw {
  to { stroke-dashoffset: 0; }
}
.pings {
  position: absolute;
  top: 24px; left: 24px;
  display: flex; gap: 6px;
}
.pings .ping {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  animation: ping 1.8s var(--ease) var(--d, 0s) infinite;
}
@keyframes ping {
  0%,100% { opacity: .3; transform: scale(.85); }
  50%     { opacity: 1;  transform: scale(1.1); }
}

.scroll-cue {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.scroll-cue i {
  width: 1px;
  height: 36px;
  background: linear-gradient(180deg, transparent, var(--accent));
  position: relative;
  overflow: hidden;
}
.scroll-cue i::after {
  content: '';
  position: absolute;
  top: -40%;
  left: 0;
  width: 100%;
  height: 40%;
  background: linear-gradient(180deg, transparent, #fff);
  animation: scroll-cue 2s var(--ease) infinite;
}
@keyframes scroll-cue {
  to { top: 100%; }
}

/* ============================================================
   Intro
   ============================================================ */
.section-intro { padding-top: 60px; }
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.intro-lead {
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.4;
  color: var(--text);
  font-weight: 400;
  margin: 0;
}
.intro-lead b { color: var(--accent); font-weight: 600; }
.intro-body {
  font-size: 16.5px;
  color: var(--text-soft);
  line-height: 1.75;
  margin: 0;
}

/* ============================================================
   Problem
   ============================================================ */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.problem-card {
  position: relative;
  padding: 28px 26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  transition: transform .4s var(--ease), border-color .4s var(--ease), background .4s var(--ease);
  overflow: hidden;
}
.problem-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle 240px at var(--mx, 50%) var(--my, 50%), rgba(94,231,255,.08), transparent 60%);
  opacity: 0;
  transition: opacity .4s var(--ease);
  pointer-events: none;
}
.problem-card:hover {
  transform: translateY(-4px);
  border-color: rgba(94,231,255,.3);
  background: var(--surface-2);
}
.problem-card:hover::before { opacity: 1; }
.pc-icon {
  width: 44px; height: 44px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(94,231,255,.15), rgba(124,92,255,.08));
  border: 1px solid rgba(94,231,255,.18);
  margin-bottom: 18px;
  color: var(--accent);
}
.pc-icon svg { width: 22px; height: 22px; }
.problem-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
}
.problem-card p {
  margin: 0;
  color: var(--text-soft);
  font-size: 14.5px;
  line-height: 1.6;
}

/* ============================================================
   Solution — Bento
   ============================================================ */
.bento {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: minmax(220px, auto);
  gap: 18px;
}
.bento-cell {
  position: relative;
  padding: 28px;
  border-radius: var(--r-lg);
  background:
    linear-gradient(180deg, rgba(20,24,38,.7), rgba(10,12,22,.6));
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform .4s var(--ease), border-color .4s var(--ease), box-shadow .4s var(--ease);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.bento-cell::before {
  content: '';
  position: absolute;
  inset: -1px;
  background: var(--grad);
  border-radius: inherit;
  opacity: 0;
  z-index: -1;
  filter: blur(20px);
  transition: opacity .4s var(--ease);
}
.bento-cell:hover {
  transform: translateY(-6px);
  border-color: rgba(94,231,255,.35);
  box-shadow: 0 30px 60px -20px rgba(0,0,0,.6), 0 0 0 1px rgba(94,231,255,.15);
}
.bento-cell:hover::before { opacity: .15; }

.cell-1 { grid-column: span 3; }
.cell-2 { grid-column: span 3; }
.cell-3 { grid-column: span 4; }
.cell-4 { grid-column: span 2; }
.cell-5 { grid-column: span 2; }
.cell-6 { grid-column: span 4; }

.cell-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--accent);
  letter-spacing: .2em;
  margin-bottom: 12px;
}
.bento-cell h3 {
  font-size: clamp(20px, 2vw, 26px);
  font-weight: 700;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}
.bento-cell p {
  margin: 0 0 22px;
  font-size: 15px;
  color: var(--text-soft);
  line-height: 1.6;
}
.cell-illu {
  position: relative;
  height: 130px;
  margin-top: auto;
  border-radius: var(--r-md);
  background: rgba(255,255,255,.02);
  border: 1px dashed var(--border);
  overflow: hidden;
}

/* illustrations */
.illu-hw .chip {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  width: 48px; height: 48px;
  background: linear-gradient(135deg, #1a1f30, #0a0d18);
  border: 1px solid rgba(94,231,255,.5);
  border-radius: 8px;
  box-shadow: inset 0 0 16px rgba(94,231,255,.2), 0 0 24px rgba(94,231,255,.25);
}
.illu-hw .chip::after {
  content: 'NRN';
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--accent);
  letter-spacing: .15em;
}
.illu-hw .trace {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  animation: trace 3s linear infinite;
}
.illu-hw .t1 { top: 30%; left: 10%; right: 60%; }
.illu-hw .t2 { top: 70%; left: 60%; right: 10%; animation-delay: 1s; }
.illu-hw .t3 { top: 50%; left: 10%; right: 60%; animation-delay: 1.5s; }
@keyframes trace {
  0%   { opacity: 0; transform: translateX(-10px); }
  30%  { opacity: 1; }
  100% { opacity: 0; transform: translateX(10px); }
}
.illu-hw .node {
  position: absolute;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
}
.illu-hw .n1 { top: 30%; left: 10%; }
.illu-hw .n2 { top: 70%; left: 90%; }
.illu-hw .n3 { top: 50%; left: 10%; }
.illu-hw .n4 { top: 30%; left: 90%; background: var(--accent-2); box-shadow: 0 0 8px var(--accent-2); }

.illu-sw {
  padding: 14px;
}
.window {
  height: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(0,0,0,.3);
  display: flex;
  flex-direction: column;
}
.wbar {
  display: flex;
  gap: 4px;
  padding: 8px;
  border-bottom: 1px solid var(--border);
}
.wbar i {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,.18);
}
.wgrid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  padding: 10px;
}
.wgrid span {
  background: linear-gradient(180deg, rgba(94,231,255,.12), rgba(124,92,255,.05));
  border-radius: 4px;
  animation: blink 3s var(--ease) infinite;
}
.wgrid span:nth-child(2) { animation-delay: .3s; background: linear-gradient(180deg, rgba(124,92,255,.18), rgba(94,231,255,.04));}
.wgrid span:nth-child(3) { animation-delay: .6s; }
.wgrid span:nth-child(4) { animation-delay: .9s; }
.wgrid span:nth-child(5) { animation-delay: 1.2s; background: linear-gradient(180deg, rgba(0,224,164,.18), rgba(94,231,255,.04));}
.wgrid span:nth-child(6) { animation-delay: 1.5s; }
.wgrid span:nth-child(7) { animation-delay: 1.8s; }
.wgrid span:nth-child(8) { animation-delay: 2.1s; }
@keyframes blink {
  0%,100% { opacity: .4; }
  50%     { opacity: 1; }
}

.illu-chart {
  padding: 10px;
}
.illu-chart svg { width: 100%; height: 100%; }
.illu-chart path:last-child {
  stroke-dasharray: 500;
  stroke-dashoffset: 500;
  animation: draw 3s var(--ease) infinite;
}

.illu-ai { display: grid; place-items: center; }
.orbit {
  position: relative;
  width: 110px; height: 110px;
  border: 1px solid rgba(94,231,255,.2);
  border-radius: 50%;
  animation: spin 14s linear infinite;
}
.orbit::before {
  content: '';
  position: absolute;
  inset: 14px;
  border: 1px dashed rgba(124,92,255,.25);
  border-radius: 50%;
}
.orbit i {
  position: absolute;
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent);
  top: -4px; left: 50%;
}
.orbit i:nth-child(2) { background: var(--accent-2); box-shadow: 0 0 10px var(--accent-2); top: 50%; left: -4px; }
.orbit i:nth-child(3) { background: var(--accent-3); box-shadow: 0 0 10px var(--accent-3); bottom: -4px; top: auto; left: 50%; }
.orbit i:nth-child(4) { top: 50%; left: auto; right: -4px; }
.core {
  position: absolute;
  inset: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--grad);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 13px;
  color: #06080F;
  animation: spin 14s linear infinite reverse;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

.illu-alert {
  display: grid;
  place-items: center;
  color: #FFB454;
  position: relative;
}
.illu-alert svg { width: 44px; height: 44px; position: relative; z-index: 2; }
.illu-alert .pulse {
  position: absolute;
  width: 80px; height: 80px;
  border-radius: 50%;
  border: 1px solid rgba(255,180,84,.35);
  animation: ripple 2.4s var(--ease) infinite;
}
@keyframes ripple {
  0%   { transform: scale(.6); opacity: .9; }
  100% { transform: scale(1.6); opacity: 0; }
}

.illu-int {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px;
}
.illu-int .pill {
  padding: 8px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: rgba(255,255,255,.03);
  letter-spacing: .12em;
  transition: all .3s var(--ease);
}
.illu-int .pill:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ============================================================
   Advantage
   ============================================================ */
.adv-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--border);
}
.adv-list li {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 32px 8px;
  border-bottom: 1px solid var(--border);
  align-items: start;
  transition: background .3s var(--ease);
}
.adv-list li:nth-child(odd)  { border-inline-end: 1px solid var(--border); padding-inline-end: 36px; }
.adv-list li:nth-child(even) { padding-inline-start: 36px; }
.adv-list li:hover { background: rgba(94,231,255,.025); }
.adv-mark {
  font-family: 'JetBrains Mono', monospace;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--grad);
  -webkit-background-clip: text;
          background-clip: text;
  color: transparent;
}
.adv-list h4 {
  margin: 0 0 6px;
  font-size: 19px;
  font-weight: 700;
}
.adv-list p {
  margin: 0;
  color: var(--text-soft);
  font-size: 15px;
}

/* ============================================================
   Market
   ============================================================ */
.market-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.market-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 26px 26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  font-size: 17px;
  font-weight: 500;
  color: var(--text);
  transition: transform .4s var(--ease), border-color .4s var(--ease), background .4s var(--ease);
  overflow: hidden;
}
.market-card::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  inset-inline-end: 0;
  width: 3px;
  background: var(--grad);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .4s var(--ease);
}
.market-card:hover {
  transform: translateY(-4px);
  border-color: rgba(94,231,255,.3);
  background: var(--surface-2);
}
.market-card:hover::after { transform: scaleY(1); }
.market-card svg {
  width: 28px; height: 28px;
  color: var(--accent);
  flex-shrink: 0;
}

/* ============================================================
   Vision
   ============================================================ */
.section-vision {
  text-align: center;
}
.vision-shell { max-width: 980px; margin: 0 auto; }
.vision-h {
  font-size: clamp(30px, 4.6vw, 58px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.015em;
  margin: 22px 0 50px;
}
.vision-line {
  height: 1px;
  width: 100%;
  background: linear-gradient(90deg, transparent, var(--accent), var(--accent-2), transparent);
  position: relative;
  overflow: hidden;
}
.vision-line::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 30%;
  background: linear-gradient(90deg, transparent, #fff, transparent);
  animation: sweep 4s var(--ease) infinite;
}
@keyframes sweep {
  from { left: -30%; }
  to   { left: 100%; }
}

/* ============================================================
   Contact
   ============================================================ */
.contact-shell {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contact-info h2 {
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.1;
  font-weight: 800;
  letter-spacing: -0.015em;
  margin: 0 0 16px;
}
.contact-info p {
  color: var(--text-soft);
  font-size: 16.5px;
  margin: 0 0 18px;
  max-width: 480px;
  line-height: 1.7;
}
.contact-note {
  padding: 18px 22px;
  border-radius: var(--r-md);
  background: rgba(94, 231, 255, 0.05);
  border: 1px solid rgba(94, 231, 255, 0.18);
  color: var(--text-soft);
  font-size: 14.5px !important;
  margin-top: 20px !important;
}
.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--border);
}
.contact-list li {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 20px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
}
.ci-label {
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.ci-val { color: var(--text); }

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 32px;
  border-radius: var(--r-lg);
  background: linear-gradient(180deg, rgba(20,24,38,.6), rgba(10,12,22,.4));
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(12px);
}
.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
  letter-spacing: .08em;
}
.contact-form label.full { grid-column: 1 / -1; }
.contact-form input,
.contact-form textarea {
  font-family: 'Heebo', sans-serif;
  font-size: 15px;
  color: var(--text);
  background: rgba(0,0,0,.3);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 14px 16px;
  outline: none;
  transition: border-color .25s var(--ease), background .25s var(--ease);
  resize: vertical;
}
.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--accent);
  background: rgba(94,231,255,.04);
}
.contact-form .btn.full { grid-column: 1 / -1; justify-content: center; }
.contact-form .btn[disabled] {
  opacity: .45;
  cursor: not-allowed;
  filter: grayscale(.3);
  transform: none !important;
  box-shadow: none !important;
}
.recaptcha-wrap {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  padding: 8px 0 4px;
}
/* reCAPTCHA iframe sits in its own shadow — gentle frame for dark theme */
.recaptcha-wrap > div {
  border-radius: 8px;
  overflow: hidden;
  transform-origin: center;
}
.form-status {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--accent-3);
  font-size: 14px;
  opacity: 0;
  transition: opacity .35s var(--ease);
}
.form-status.on { opacity: 1; }

/* ============================================================
   Footer
   ============================================================ */
.footer {
  padding: 40px 0 30px;
  border-top: 1px solid var(--border);
  background: rgba(0,0,0,.3);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.foot-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}
.foot-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: .1em;
}
.foot-meta {
  display: flex;
  gap: 18px;
  color: var(--text-dim);
  font-size: 13px;
}
.foot-build {
  font-family: 'JetBrains Mono', monospace;
}

/* ============================================================
   Reveal on scroll
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}
.reveal.on {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1080px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 130px;
    gap: 40px;
  }
  .intro-grid { grid-template-columns: 1fr; gap: 24px; }
  .problem-grid { grid-template-columns: repeat(2, 1fr); }
  .market-grid { grid-template-columns: repeat(2, 1fr); }
  .bento { grid-template-columns: repeat(2, 1fr); }
  .cell-1, .cell-2, .cell-3, .cell-4, .cell-5, .cell-6 { grid-column: span 2; }
  .adv-list { grid-template-columns: 1fr; }
  .adv-list li:nth-child(odd)  { border-inline-end: none; padding-inline-end: 8px; }
  .adv-list li:nth-child(even) { padding-inline-start: 8px; }
  .contact-shell { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .nav { padding: 14px 20px; }
  .nav-links { gap: 14px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .container { padding: 0 20px; }
  .section { padding: 90px 0; }
  .hero { padding: 130px 20px 60px; }
  .hero-stats { grid-template-columns: 1fr; gap: 12px; }
  .problem-grid { grid-template-columns: 1fr; }
  .market-grid { grid-template-columns: 1fr; }
  .bento { grid-template-columns: 1fr; }
  .cell-1, .cell-2, .cell-3, .cell-4, .cell-5, .cell-6 { grid-column: span 1; }
  .contact-form { grid-template-columns: 1fr; padding: 22px; }
  .footer-inner { flex-direction: column; text-align: center; }
}

/* reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    transition-duration: 0.001s !important;
  }
}