:root {
  --bg: #050507;
  --bg-2: #08090e;
  --bg-3: #070810;
  --bg-4: #0a0b12;
  --text: #f5f7fa;
  --muted: #8a8f9c;
  --muted-2: #a7adba;
  --dim: #6c7382;
  --line: rgba(255, 255, 255, .06);
  --line-2: rgba(255, 255, 255, .1);
  --cyan: #00a8ff;
  --blue: #1677ff;
  --indigo: #4a55ff;
  --purple: #6c35ff;
  --grad: linear-gradient(100deg, #1677ff, #6c35ff);
  --font: Manrope, system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--text); text-decoration: none; }
a:hover { color: var(--cyan); }
::selection { background: var(--purple); color: #fff; }
img { max-width: 100%; }

.nx-page { position: relative; background: var(--bg); min-height: 100vh; overflow: hidden; }
.nx-grid-bg {
  position: fixed; inset: 0; pointer-events: none; z-index: 1; opacity: .35;
  background-image: linear-gradient(rgba(120,140,200,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(120,140,200,.07) 1px, transparent 1px);
  background-size: 120px 120px;
  mask-image: radial-gradient(ellipse 90% 60% at 50% 0%, #000 20%, transparent 75%);
}
.nx-wrap { max-width: 1280px; margin: 0 auto; width: 100%; }
.nx-section { position: relative; z-index: 2; padding: 130px 44px; border-top: 1px solid var(--line); }
.nx-kicker { font-family: var(--mono); font-size: 11px; letter-spacing: .24em; color: var(--dim); margin-bottom: 26px; }
.nx-h2 { margin: 0; font-size: clamp(34px, 4.6vw, 74px); font-weight: 700; letter-spacing: -.03em; line-height: 1.02; }
.nx-lead { margin: 26px 0 0; font-size: 18px; line-height: 1.6; color: var(--muted); max-width: 560px; }
.nx-logo { height: 44px; width: auto; display: block; filter: drop-shadow(0 0 14px rgba(22,119,255,.28)); }
.nx-logo--lg { width: 260px; height: auto; }
.nx-logo--xl { width: 420px; max-width: 80%; height: auto; }
.nx-logo--cta { width: 280px; height: auto; }

@keyframes noetixSpin { from { rotate: 0deg; } to { rotate: 360deg; } }
@keyframes noetixSpinBack { from { rotate: 0deg; } to { rotate: -360deg; } }
@keyframes noetixPulse { 0%,100% { opacity: .25; } 50% { opacity: .8; } }
@keyframes noetixScan { 0% { transform: translateY(0); } 100% { transform: translateY(220px); } }
@keyframes noetixDash { to { stroke-dashoffset: -240; } }

.nx-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; gap: 40px;
  padding: 20px 44px;
  border-bottom: 1px solid transparent;
  transition: background .4s ease, border-color .4s ease, backdrop-filter .4s ease;
}
.nx-nav.is-scrolled {
  background: rgba(5,5,7,.72);
  backdrop-filter: blur(18px) saturate(160%);
  border-bottom-color: rgba(255,255,255,.07);
}
.nx-nav__links { display: flex; align-items: center; gap: 34px; margin-left: auto; font-size: 14px; font-weight: 500; letter-spacing: .01em; color: var(--muted-2); }
.nx-nav__links a { color: inherit; }
.nx-nav__links a:hover, .nx-nav__links a.is-active { color: var(--text); }
.nx-nav__actions { display: flex; align-items: center; gap: 18px; flex: 0 0 auto; }
.nx-nav__login { font-size: 14px; font-weight: 500; color: #8a8f9c; }
.nx-nav__login:hover { color: var(--text); }
.nx-nav__toggle {
  display: none; width: 42px; height: 42px; border: 1px solid var(--line-2); border-radius: 10px;
  background: transparent; color: var(--text); cursor: pointer;
}

.nx-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 20px; border-radius: 999px; font-size: 14px; font-weight: 600; color: var(--text);
  background: var(--grad);
  box-shadow: 0 0 0 1px rgba(255,255,255,.08) inset, 0 8px 30px -12px rgba(54,110,255,.9);
  border: 0; cursor: pointer; font-family: inherit;
}
.nx-btn:hover { color: #fff; box-shadow: 0 0 0 1px rgba(255,255,255,.16) inset, 0 10px 40px -10px rgba(108,53,255,1); }
.nx-btn--lg { padding: 15px 26px; font-size: 15px; box-shadow: 0 0 0 1px rgba(255,255,255,.1) inset, 0 20px 60px -24px rgba(54,110,255,1); }
.nx-btn--ghost {
  background: rgba(255,255,255,.02); color: #c9ceda;
  border: 1px solid rgba(255,255,255,.12); box-shadow: none;
}
.nx-btn--ghost:hover { color: var(--text); border-color: rgba(255,255,255,.28); background: rgba(255,255,255,.05); }
.nx-link { display: inline-flex; align-items: center; gap: 10px; margin-top: 36px; font-size: 15px; font-weight: 600; color: var(--text); }
.nx-link:hover { color: var(--cyan); }

.nx-hero { position: relative; min-height: 100vh; display: flex; flex-direction: column; justify-content: center; padding: 140px 44px 90px; z-index: 2; }
.nx-hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; opacity: .95; }
.nx-hero__glow {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(ellipse 60% 50% at 50% 45%, rgba(22,119,255,.12), transparent 70%),
              radial-gradient(ellipse 40% 40% at 75% 60%, rgba(108,53,255,.12), transparent 70%);
}
.nx-hero__inner { position: relative; z-index: 2; }
.nx-badge {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 7px 14px 7px 10px; border: 1px solid rgba(255,255,255,.09); border-radius: 999px;
  background: rgba(10,11,16,.6); font-family: var(--mono); font-size: 11px; letter-spacing: .18em; color: var(--muted); margin-bottom: 46px;
}
.nx-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px 2px rgba(0,168,255,.8); animation: noetixPulse 2.6s ease-in-out infinite; }
.nx-hero h1 { margin: 0; font-size: clamp(52px, 8.4vw, 138px); line-height: .92; font-weight: 800; letter-spacing: -.035em; text-wrap: balance; }
.nx-grad-text { background: linear-gradient(96deg, #00a8ff 0%, #1677ff 38%, #6c35ff 82%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nx-hero p { max-width: 560px; margin: 40px 0 0; font-size: 18px; line-height: 1.6; color: var(--muted); }
.nx-hero__cta { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 44px; }
.nx-tags { position: relative; z-index: 2; margin: 96px auto 0; display: flex; flex-wrap: wrap; gap: 34px; font-family: var(--mono); font-size: 10.5px; letter-spacing: .2em; color: rgba(245,247,250,.28); }

.nx-stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 1px; margin-top: 100px; background: rgba(255,255,255,.07); }
.nx-stat { background: var(--bg); padding: 34px 30px 30px; }
.nx-stat__value { font-size: clamp(42px, 5vw, 68px); font-weight: 700; letter-spacing: -.04em; background: linear-gradient(120deg, #f5f7fa, #7fa8ff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nx-stat__label { margin-top: 14px; font-family: var(--mono); font-size: 11px; letter-spacing: .18em; color: var(--muted); }

.nx-split { display: grid; grid-template-columns: repeat(auto-fit, minmax(330px, 1fr)); gap: 26px; margin-top: 76px; align-items: stretch; }
.nx-card { position: relative; padding: 44px 38px 38px; border: 1px solid rgba(255,255,255,.08); border-radius: 18px; background: linear-gradient(180deg, #0a0b12, #070810); transition: border-color .35s ease, transform .35s ease; }
.nx-card:hover { border-color: rgba(0,168,255,.35); transform: translateY(-4px); }
.nx-card--glow {
  overflow: hidden; border-color: rgba(127,168,255,.22);
  background: linear-gradient(160deg, rgba(22,119,255,.14), rgba(108,53,255,.1) 55%, #070810 100%);
  box-shadow: 0 40px 100px -50px rgba(54,110,255,.9);
}
.nx-card--glow:hover { border-color: rgba(158,139,255,.5); }
.nx-card--glow::after {
  content: ""; position: absolute; right: -60px; top: -60px; width: 260px; height: 260px; border-radius: 50%;
  background: radial-gradient(circle, rgba(108,53,255,.35), transparent 70%); pointer-events: none;
}
.nx-card h3 { margin: 22px 0 0; font-size: clamp(26px, 2.6vw, 38px); font-weight: 700; letter-spacing: -.025em; line-height: 1.1; }
.nx-card p { margin: 18px 0 0; font-size: 15.5px; line-height: 1.65; color: var(--muted); }
.nx-card--glow p { color: #c2c8d4; }
.nx-meta { font-family: var(--mono); font-size: 10.5px; letter-spacing: .2em; color: #7fa8ff; }
.nx-meta--purple { color: #c7b9ff; }
.nx-chip { padding: 4px 10px; border: 1px solid rgba(255,255,255,.16); border-radius: 999px; font-family: var(--mono); font-size: 9.5px; letter-spacing: .16em; color: #e8ecf3; }
.nx-list { display: flex; flex-direction: column; gap: 14px; margin-top: 30px; font-size: 14.5px; color: var(--muted-2); }
.nx-list--light { color: #dde2eb; }
.nx-list span { color: var(--cyan); margin-right: 12px; }
.nx-list--light span { color: #9e8bff; }
.nx-mini-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1px; margin-top: 26px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.07); }
.nx-mini { background: var(--bg-3); padding: 28px 26px; }
.nx-mini__k { font-family: var(--mono); font-size: 10.5px; letter-spacing: .18em; color: var(--dim); }
.nx-mini__v { margin-top: 12px; font-size: 15px; color: #c9ceda; }

.nx-section--alt { background: var(--bg-2); }
.nx-model-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 26px; margin-top: 76px; }
.nx-panel { padding: 40px 34px; border: 1px solid rgba(255,255,255,.09); border-radius: 18px; background: linear-gradient(180deg, #0b0c13, #070810); }
.nx-panel h3 { margin: 20px 0 0; font-size: clamp(24px, 2.2vw, 32px); font-weight: 700; letter-spacing: -.02em; line-height: 1.15; }
.nx-panel p { margin: 16px 0 0; font-size: 15.5px; line-height: 1.65; color: var(--muted); }
.nx-stage { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 10.5px; letter-spacing: .2em; }
.nx-tiles { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 28px; font-family: var(--mono); font-size: 11px; letter-spacing: .1em; color: #c9ceda; }
.nx-tile { padding: 12px 14px; border: 1px solid rgba(255,255,255,.08); border-radius: 10px; background: rgba(255,255,255,.02); }
.nx-tile--on { border-color: rgba(127,168,255,.28); background: rgba(22,119,255,.08); color: #dde2eb; }
.nx-level-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 26px; margin-top: 26px; }
.nx-level { padding: 36px 32px; border: 1px solid rgba(255,255,255,.09); border-radius: 18px; background: var(--bg-3); }
.nx-level--mid { border-color: rgba(158,139,255,.24); background: linear-gradient(160deg, rgba(108,53,255,.12), #070810 70%); }
.nx-level h3 { margin: 0; font-size: 24px; font-weight: 700; letter-spacing: -.02em; }
.nx-pills { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; font-size: 13px; color: var(--muted-2); }
.nx-pill { padding: 8px 13px; border: 1px solid rgba(255,255,255,.09); border-radius: 999px; }
.nx-outcomes { margin-top: 90px; }
.nx-outcomes h3 { margin: 22px 0 0; font-size: clamp(24px, 2.8vw, 40px); font-weight: 700; letter-spacing: -.025em; line-height: 1.12; max-width: 760px; }
.nx-out-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1px; margin-top: 50px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.07); }
.nx-out { background: var(--bg-2); padding: 34px 30px; }
.nx-out__n { font-family: var(--mono); font-size: 11px; color: #5d6473; }
.nx-out__t { margin-top: 18px; font-size: 19px; font-weight: 700; letter-spacing: -.015em; }
.nx-out p { margin: 12px 0 0; font-size: 14.5px; line-height: 1.6; color: var(--muted); }

.nx-universe { position: relative; margin-top: 70px; height: 620px; border: 1px solid rgba(255,255,255,.07); border-radius: 20px; background: radial-gradient(ellipse 50% 50% at 50% 50%, rgba(22,119,255,.09), transparent 70%), #060710; overflow: hidden; }
.nx-universe svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.nx-universe__lines { stroke-dasharray: 4 8; animation: noetixDash 14s linear infinite; }
.nx-core { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 220px; height: 220px; border-radius: 50%; display: flex; align-items: center; justify-content: center; border: 1px solid rgba(127,168,255,.3); background: radial-gradient(circle at 50% 40%, rgba(22,119,255,.28), rgba(10,11,16,.9) 70%); box-shadow: 0 0 80px -10px rgba(54,110,255,.6); }
.nx-core img { width: 168px; height: auto; }
.nx-node { position: absolute; transform: translate(-50%,-50%); padding: 12px 18px; border: 1px solid rgba(255,255,255,.1); border-radius: 999px; background: rgba(9,10,17,.85); font-size: 13px; font-weight: 600; letter-spacing: .04em; color: #c9ceda; cursor: default; transition: all .3s ease; white-space: nowrap; }
.nx-node:hover, .nx-node.is-on { color: #fff; transform: translate(-50%,-50%) scale(1.08); }
.nx-node--cyan:hover, .nx-node--cyan.is-on { border-color: rgba(0,168,255,.6); box-shadow: 0 0 40px -8px rgba(0,168,255,.8); }
.nx-node--purple:hover, .nx-node--purple.is-on { border-color: rgba(108,53,255,.7); box-shadow: 0 0 40px -8px rgba(108,53,255,.8); }
.nx-universe__info { position: absolute; left: 32px; bottom: 28px; right: 32px; display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; pointer-events: none; }
.nx-universe__label { font-family: var(--mono); font-size: 10.5px; letter-spacing: .2em; color: var(--dim); }
.nx-universe__desc { margin-top: 10px; font-size: 15px; line-height: 1.55; color: var(--muted-2); max-width: 420px; }
.nx-universe__tools { font-family: var(--mono); font-size: 10.5px; letter-spacing: .16em; color: #7fa8ff; text-align: right; }

.nx-flow { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 26px; margin-top: 90px; }
.nx-flow__item { position: relative; padding-top: 30px; border-top: 1px solid rgba(255,255,255,.14); }
.nx-flow__dot { position: absolute; top: -4px; left: 0; width: 7px; height: 7px; border-radius: 50%; }
.nx-flow__item strong { display: block; font-size: 22px; font-weight: 700; letter-spacing: -.01em; }
.nx-flow__item p { margin: 12px 0 0; font-size: 15px; line-height: 1.6; color: var(--muted); }
.nx-h2 .dim { color: #3a4152; }

.nx-orbit-wrap { position: relative; height: 660px; margin-top: 40px; display: flex; align-items: center; justify-content: center; }
.nx-ring { position: absolute; border: 1px solid rgba(255,255,255,.06); border-radius: 50%; }
.nx-ring--in { width: 340px; height: 340px; }
.nx-ring--out { width: 540px; height: 540px; border-color: rgba(255,255,255,.05); }
.nx-orbit-glow { position: absolute; width: 300px; height: 300px; border-radius: 50%; background: radial-gradient(circle, rgba(22,119,255,.16), transparent 70%); }
.nx-orbit { position: absolute; }
.nx-orbit--in { width: 340px; height: 340px; animation: noetixSpin 46s linear infinite; }
.nx-orbit--out { width: 540px; height: 540px; animation: noetixSpinBack 78s linear infinite; }
.nx-orbit span {
  display: inline-block; padding: 9px 16px; border: 1px solid rgba(255,255,255,.1); border-radius: 999px;
  background: rgba(10,11,16,.9); font-family: var(--mono); font-size: 11.5px; letter-spacing: .1em; color: #c9ceda;
}
.nx-orbit--out span { padding: 8px 15px; border-color: rgba(255,255,255,.08); background: rgba(10,11,16,.85); font-size: 11px; color: #9ba2b0; }
.nx-orbit--in > div { position: absolute; animation: noetixSpinBack 46s linear infinite; }
.nx-orbit--out > div { position: absolute; animation: noetixSpin 78s linear infinite; }
.nx-orbit__logo { position: relative; z-index: 2; width: 240px; height: auto; }

.nx-course-list { margin-top: 70px; }
.nx-course {
  display: grid; grid-template-columns: 90px 1fr auto; align-items: center; gap: 30px;
  padding: 46px 8px; border-top: 1px solid var(--line-2); color: inherit;
}
.nx-course:last-child { border-bottom: 1px solid var(--line-2); }
.nx-course:hover { background: linear-gradient(90deg, rgba(22,119,255,.07), transparent 60%); color: inherit; }
.nx-course--indigo:hover { background: linear-gradient(90deg, rgba(74,85,255,.07), transparent 60%); }
.nx-course--purple:hover { background: linear-gradient(90deg, rgba(108,53,255,.07), transparent 60%); }
.nx-course__n { font-family: var(--mono); font-size: 13px; color: #5d6473; }
.nx-course__t { display: block; font-size: clamp(26px, 3.4vw, 48px); font-weight: 700; letter-spacing: -.03em; }
.nx-course__d { display: block; margin-top: 12px; font-size: 16px; color: var(--muted); }
.nx-course__arrow { font-size: 22px; color: #5d6473; }

.nx-lab { border: 1px solid rgba(255,255,255,.08); border-radius: 20px; background: linear-gradient(180deg, #0a0b12, #060710); overflow: hidden; }
.nx-lab__bar { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 22px; border-bottom: 1px solid rgba(255,255,255,.07); font-family: var(--mono); font-size: 10.5px; letter-spacing: .18em; color: #7a8090; flex-wrap: wrap; }
.nx-lab__live { display: flex; align-items: center; gap: 9px; color: #7fa8ff; }
.nx-lab__grid { display: grid; grid-template-columns: 1.15fr 1fr; gap: 1px; background: rgba(255,255,255,.07); }
.nx-lab__viz { position: relative; background: #060710; padding: 34px; min-height: 380px; overflow: hidden; }
.nx-lab__viz::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(127,168,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(127,168,255,.05) 1px, transparent 1px); background-size: 44px 44px; }
.nx-lab__scan { position: absolute; left: 0; right: 0; top: 60px; height: 1px; background: linear-gradient(90deg, transparent, rgba(0,168,255,.7), transparent); animation: noetixScan 6s ease-in-out infinite alternate; }
.nx-lab__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.nx-lab__term { position: relative; font-family: var(--mono); font-size: 11px; line-height: 2; color: rgba(127,168,255,.55); }
.nx-lab__side { background: #08090f; padding: 34px; display: flex; flex-direction: column; }
.nx-lab__row { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.07); font-family: var(--mono); font-size: 11px; letter-spacing: .16em; color: var(--muted-2); }
.nx-ok { color: var(--cyan); }
.nx-wait { color: #9e8bff; }
.nx-queue { color: var(--dim); }
.nx-lab__side p { margin: 26px 0 0; font-size: 15px; line-height: 1.65; color: var(--muted); }

.nx-quotes { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 80px; }
.nx-quotes blockquote { margin: 0; font-size: clamp(24px, 2.6vw, 38px); line-height: 1.28; font-weight: 500; letter-spacing: -.02em; color: #e8ecf3; }
.nx-quotes blockquote.is-md { font-size: clamp(20px, 2vw, 28px); color: #c9ceda; }
.nx-person { display: flex; align-items: center; gap: 14px; margin-top: 34px; }
.nx-avatar { width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(140deg, #1d2436, #0b0d14); border: 1px solid var(--line-2); }
.nx-person strong { display: block; font-size: 14px; font-weight: 600; }
.nx-person span { display: block; font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; color: var(--dim); margin-top: 4px; }

.nx-cta { position: relative; z-index: 2; padding: 170px 44px 150px; text-align: center; overflow: hidden; background: #030304; }
.nx-cta__glow { position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 1100px; height: 700px; pointer-events: none; background: radial-gradient(ellipse 50% 50% at 50% 50%, rgba(22,119,255,.18), transparent 65%), radial-gradient(ellipse 40% 40% at 62% 58%, rgba(108,53,255,.18), transparent 65%); animation: noetixPulse 8s ease-in-out infinite; }
.nx-cta h2 { margin: 0; font-size: clamp(46px, 7.6vw, 124px); font-weight: 800; letter-spacing: -.04em; line-height: .94; }
.nx-cta p { margin: 34px 0 0; font-size: 19px; color: var(--muted); }
.nx-cta .nx-btn { margin-top: 44px; padding: 16px 30px; font-size: 16px; }
.nx-cta img { display: block; margin: 74px auto 0; }

.nx-footer { position: relative; z-index: 2; padding: 90px 44px 46px; border-top: 1px solid rgba(255,255,255,.07); background: var(--bg); }
.nx-footer__links { display: flex; flex-wrap: wrap; gap: 40px; margin-top: 60px; font-size: 14px; color: var(--muted); }
.nx-footer__links a { color: inherit; }
.nx-footer__links a:hover { color: var(--text); }
.nx-footer__social { display: flex; gap: 26px; margin-left: auto; }
.nx-footer__copy { display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; margin-top: 70px; padding-top: 26px; border-top: 1px solid var(--line); font-family: var(--mono); font-size: 10.5px; letter-spacing: .2em; color: #565c6b; }

.nx-page-head { padding: 160px 44px 40px; }
.nx-form { display: grid; gap: 18px; margin-top: 40px; max-width: 640px; }
.nx-field { display: flex; flex-direction: column; gap: 8px; }
.nx-field label { font-family: var(--mono); font-size: 11px; letter-spacing: .16em; color: var(--dim); }
.nx-field input, .nx-field textarea, .nx-field select {
  width: 100%; padding: 14px 16px; border-radius: 12px; border: 1px solid rgba(255,255,255,.1);
  background: rgba(255,255,255,.03); color: var(--text); font: 15px/1.4 var(--font);
}
.nx-field input:focus, .nx-field textarea:focus, .nx-field select:focus { outline: none; border-color: rgba(22,119,255,.55); box-shadow: 0 0 0 3px rgba(22,119,255,.12); }
.nx-field textarea { min-height: 140px; resize: vertical; }
.nx-error { color: #ff8a9b; font-size: 13px; }
.nx-alert { padding: 14px 16px; border-radius: 12px; border: 1px solid rgba(0,168,255,.3); background: rgba(22,119,255,.1); color: #c9ceda; margin-bottom: 20px; }
.nx-auth { max-width: 460px; margin: 0 auto; }
.nx-dash-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; margin-top: 40px; }
.nx-dash-card { padding: 28px 24px; border: 1px solid rgba(255,255,255,.08); border-radius: 16px; background: linear-gradient(180deg, #0a0b12, #070810); }
.nx-dash-card h3 { margin: 0 0 8px; font-size: 18px; }
.nx-dash-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.55; }

@media (max-width: 980px) {
  .nx-nav { gap: 16px; padding: 16px 20px; }
  .nx-nav__links, .nx-nav__actions { display: none; }
  .nx-nav.is-open .nx-nav__links, .nx-nav.is-open .nx-nav__actions {
    display: flex; flex-direction: column; align-items: flex-start; position: absolute; left: 0; right: 0; top: 100%;
    padding: 20px 24px 28px; background: rgba(5,5,7,.94); border-bottom: 1px solid var(--line);
  }
  .nx-nav.is-open .nx-nav__actions { top: auto; position: relative; margin-top: 12px; }
  .nx-nav__toggle { display: inline-flex; align-items: center; justify-content: center; margin-left: auto; }
  .nx-section, .nx-hero, .nx-cta, .nx-footer, .nx-page-head { padding-left: 20px; padding-right: 20px; }
  .nx-hero h1 { font-size: clamp(40px, 12vw, 72px); }
  .nx-universe { height: auto; min-height: 520px; padding: 24px 16px 120px; }
  .nx-node { font-size: 11px; padding: 8px 12px; white-space: normal; max-width: 120px; text-align: center; }
  .nx-core { width: 150px; height: 150px; }
  .nx-core img { width: 118px; }
  .nx-logo { height: 40px; }
  .nx-orbit__logo { width: 180px; }
  .nx-lab__grid { grid-template-columns: 1fr; }
  .nx-course { grid-template-columns: 48px 1fr auto; gap: 14px; }
  .nx-orbit-wrap { height: 420px; transform: scale(.72); }
}