/* ============================================================
   VitaRPC — hi-tech / HUD terminal design system
   Palette: neon-lime #C6FF3A + cyan #22E3C8 on near-black
   ============================================================ */

:root {
  --bg:        #05070A;
  --bg-2:      #0A0E14;
  --panel:     #0C1119;
  --panel-2:   #0F1620;
  --ink:       #E7EEF5;
  --ink-dim:   #8A97A6;
  --ink-faint: #5A6675;
  --lime:      #C6FF3A;
  --cyan:      #22E3C8;
  --line:      rgba(198,255,58,.14);
  --line-soft: rgba(255,255,255,.07);
  --glow-lime: rgba(198,255,58,.35);
  --glow-cyan: rgba(34,227,200,.30);
  --brand-grad: linear-gradient(115deg, var(--lime), var(--cyan));
  --radius:    6px;
  --radius-lg: 12px;
  --maxw:      1200px;
  --ease:      cubic-bezier(.22,.61,.36,1);
  --font:      "Space Grotesk", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --mono:      "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
.mono { font-family: var(--mono); font-feature-settings: "tnum" 1; }

.skip-link {
  position: fixed; top: -60px; left: 12px; z-index: 200;
  background: var(--lime); color: #05070A; padding: 10px 16px;
  border-radius: var(--radius); font-weight: 600; transition: top .2s;
}
.skip-link:focus { top: 12px; }

::selection { background: var(--lime); color: #05070A; }

/* ---------- background fx ---------- */
.bg-fx { position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.bg-grid {
  position: absolute; inset: -2px;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(circle at 50% 12%, #000 0%, transparent 72%);
  -webkit-mask-image: radial-gradient(circle at 50% 12%, #000 0%, transparent 72%);
}
.bg-scan {
  position: absolute; inset: 0;
  background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(0,0,0,.18) 3px 4px);
  opacity: .35; mix-blend-mode: overlay;
}
.bg-glow { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5; }
.bg-glow--1 { width: 620px; height: 620px; top: -220px; left: -140px; background: radial-gradient(circle, var(--glow-lime), transparent 65%); }
.bg-glow--2 { width: 560px; height: 560px; top: 40vh; right: -180px; background: radial-gradient(circle, var(--glow-cyan), transparent 65%); }

/* ---------- layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 24px; }
.section { padding: 88px 0; position: relative; }
.section + .section { padding-top: 0; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--mono); font-size: 12px; letter-spacing: .12em;
  text-transform: uppercase; color: var(--ink-dim);
  border: 1px solid var(--line); border-radius: 100px;
  padding: 6px 13px; background: rgba(198,255,58,.03);
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 8px var(--lime); }

.sec-head { max-width: 680px; margin-bottom: 42px; }
.sec-head h2, .sec-split__copy h2, .demo__copy h2, .cta h2 { font-size: clamp(1.8rem, 3.6vw, 2.7rem); line-height: 1.1; letter-spacing: -.02em; margin-top: 16px; font-weight: 600; }
.sec-sub { color: var(--ink-dim); margin-top: 14px; font-size: 1.05rem; max-width: 60ch; }

h1 { font-weight: 600; }

/* ---------- buttons ---------- */
.btn {
  --bh: 44px;
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  height: var(--bh); padding: 0 20px; border-radius: var(--radius);
  font-family: var(--font); font-weight: 600; font-size: .95rem;
  border: 1px solid transparent; cursor: pointer; position: relative;
  transition: transform .18s var(--ease), box-shadow .25s var(--ease), background .2s, border-color .2s, color .2s;
  white-space: nowrap; overflow: hidden; isolation: isolate;
}
.btn svg { flex: none; }
.btn--sm { --bh: 38px; font-size: .875rem; padding: 0 15px; }
.btn--lg { --bh: 52px; padding: 0 26px; font-size: 1rem; }
.btn--block { width: 100%; }

.btn--solid { background: var(--brand-grad); color: #05070A; box-shadow: 0 6px 26px -8px var(--glow-lime); }
.btn--solid::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(115deg, transparent 30%, rgba(255,255,255,.55) 50%, transparent 70%);
  transform: translateX(-120%); transition: transform .6s var(--ease);
}
.btn--solid:hover { transform: translateY(-2px); box-shadow: 0 12px 34px -8px var(--glow-lime); }
.btn--solid:hover::after { transform: translateX(120%); }

.btn--ghost { background: rgba(255,255,255,.02); color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: rgba(198,255,58,.5); color: #fff; background: rgba(198,255,58,.06); transform: translateY(-2px); }

.btn:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

/* ---------- cards + HUD corners ---------- */
.card {
  position: relative; background: linear-gradient(180deg, var(--panel), var(--bg-2));
  border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px;
}
.card::before, .card::after {
  content: ""; position: absolute; width: 12px; height: 12px; pointer-events: none;
  border-color: rgba(198,255,58,.55); border-style: solid; border-width: 0;
  transition: border-color .25s;
}
.card::before { top: 8px; left: 8px; border-top-width: 1.5px; border-left-width: 1.5px; }
.card::after  { bottom: 8px; right: 8px; border-bottom-width: 1.5px; border-right-width: 1.5px; }
.card:hover::before, .card:hover::after { border-color: var(--lime); }

/* ---------- header ---------- */
.hdr { position: sticky; top: 0; z-index: 100; transition: background .3s, border-color .3s, backdrop-filter .3s; border-bottom: 1px solid transparent; }
.hdr.scrolled { background: rgba(5,7,10,.82); backdrop-filter: blur(14px); border-bottom-color: var(--line); }
.hdr__inner { display: flex; align-items: center; gap: 24px; height: 68px; }

.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand__mark { display: grid; place-items: center; filter: drop-shadow(0 0 8px rgba(198,255,58,.35)); }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__text strong { font-size: 1.06rem; letter-spacing: .02em; font-weight: 700; }
.brand__text small { font-family: var(--mono); font-size: .62rem; letter-spacing: .28em; text-transform: uppercase; color: var(--ink-dim); margin-top: 3px; }

.nav { display: flex; gap: 6px; margin-left: 8px; margin-right: auto; }
.nav a { font-size: .92rem; color: var(--ink-dim); padding: 8px 12px; border-radius: var(--radius); position: relative; transition: color .2s; }
.nav a::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px; height: 1.5px; background: var(--brand-grad); transform: scaleX(0); transform-origin: left; transition: transform .25s var(--ease); }
.nav a:hover { color: var(--ink); }
.nav a:hover::after, .nav a.active::after { transform: scaleX(1); }
.nav a.active { color: var(--ink); }

.hdr__actions { display: flex; align-items: center; gap: 10px; }

.burger { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: var(--radius); background: transparent; cursor: pointer; padding: 0; }
.burger span { display: block; width: 18px; height: 1.6px; background: var(--ink); margin: 4px auto; transition: transform .3s var(--ease), opacity .2s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.6px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.6px) rotate(-45deg); }

.mnav { display: none; flex-direction: column; gap: 4px; padding: 16px 24px 24px; background: rgba(5,7,10,.96); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.mnav a { padding: 12px 8px; color: var(--ink-dim); border-bottom: 1px solid var(--line-soft); }
.mnav a.btn { margin-top: 10px; border-bottom: none; color: inherit; }
.mnav a.btn--solid { color: #05070A; }

/* ---------- hero ---------- */
.hero { padding: 56px 0 40px; position: relative; }
.hero__grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; min-height: min(62vh, 640px); }
.hero__copy, .hero__visual { min-width: 0; }
.hero__copy h1 { font-size: clamp(2.1rem, 5.4vw, 4rem); line-height: 1.04; letter-spacing: -.03em; margin: 18px 0; overflow-wrap: break-word; }
.hero__copy .u { position: relative; background: var(--brand-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { color: var(--ink-dim); font-size: 1.12rem; max-width: 52ch; }
.hero__actions { display: flex; gap: 14px; margin-top: 30px; flex-wrap: wrap; }

.hero__facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 40px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.hero__facts > div { background: var(--bg); padding: 14px 16px; }
.hero__facts dt { font-family: var(--mono); font-size: .64rem; letter-spacing: .22em; text-transform: uppercase; color: var(--ink-faint); }
.hero__facts dd { font-size: .84rem; margin-top: 6px; color: var(--ink); }

/* hero visual */
.hero__visual { display: grid; place-items: center; }
.hud-frame {
  position: relative; width: 100%; max-width: 440px; aspect-ratio: 1; padding: 18px;
  background: radial-gradient(circle at 50% 45%, rgba(34,227,200,.06), transparent 60%), linear-gradient(180deg, var(--panel), var(--bg));
  border: 1px solid var(--line); border-radius: var(--radius-lg);
}
.hud-corner { position: absolute; width: 18px; height: 18px; border: 1.5px solid var(--lime); opacity: .7; }
.hud-corner.tl { top: 10px; left: 10px; border-right: 0; border-bottom: 0; }
.hud-corner.tr { top: 10px; right: 10px; border-left: 0; border-bottom: 0; }
.hud-corner.bl { bottom: 10px; left: 10px; border-right: 0; border-top: 0; }
.hud-corner.br { bottom: 10px; right: 10px; border-left: 0; border-top: 0; }
.hud-tag { position: absolute; top: 16px; left: 50%; transform: translateX(-50%); font-size: .62rem; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-dim); }
.constellation { width: 100%; height: auto; max-width: 100%; }
/* grid/flex children must be allowed to shrink to avoid horizontal overflow */
.stats > *, .grid-4 > *, .regions > *, .nets > *, .connect > *, .sec-split > *, .demo > *, .footer__grid > * { min-width: 0; }
.constellation .core { animation: pulse 2.6s var(--ease) infinite; transform-origin: center; }
.node { fill: var(--cyan); }
.node--lime { fill: var(--lime); }
.hud-readout { position: absolute; bottom: 16px; right: 18px; display: flex; align-items: center; gap: 14px; font-size: .74rem; color: var(--ink-dim); }
.hud-readout b { color: var(--lime); font-size: .92rem; }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--lime); display: inline-block; box-shadow: 0 0 8px var(--lime); animation: blink 1.8s steps(1) infinite; }

.hero__ticker { margin-top: 34px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); }
.ticker-track { display: flex; gap: 48px; padding: 11px 0; white-space: nowrap; width: max-content; animation: marquee 34s linear infinite; }
.ticker-track span { font-family: var(--mono); font-size: .78rem; color: var(--ink-dim); }
.ticker-track span::before { content: "▸ "; color: var(--lime); }

/* ---------- metrics ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat { padding: 26px 24px; }
.stat__v { font-size: 2.5rem; font-weight: 700; line-height: 1; background: var(--brand-grad); -webkit-background-clip: text; background-clip: text; color: transparent; display: inline-flex; align-items: baseline; }
.stat__v em { font-style: normal; }
.stat__l { display: block; margin-top: 12px; color: var(--ink-dim); font-size: .92rem; }

/* ---------- feature grid ---------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feat { padding: 26px 22px; }
.feat__ico { display: grid; place-items: center; width: 46px; height: 46px; border: 1px solid var(--line); border-radius: 10px; background: rgba(198,255,58,.04); margin-bottom: 18px; }
.feat__ico svg { width: 22px; height: 22px; }
.feat h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 8px; }
.feat p { color: var(--ink-dim); font-size: .92rem; }

/* draw-on-reveal line icons */
.draw path, .draw circle { stroke-dasharray: 120; stroke-dashoffset: 120; }
.reveal.in .draw path, .reveal.in .draw circle { animation: draw 1.1s var(--ease) forwards; }

/* ---------- security split ---------- */
.sec-split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.badge { font-family: var(--mono); font-size: .78rem; padding: 7px 13px; border: 1px solid var(--line); border-radius: 100px; color: var(--ink); background: rgba(198,255,58,.04); }
.sec-list { list-style: none; padding: 8px; display: grid; gap: 2px; }
.sec-list li { display: flex; align-items: center; gap: 12px; padding: 13px 14px; border-radius: 8px; font-size: .96rem; transition: background .2s; }
.sec-list li:hover { background: rgba(198,255,58,.04); }
.chk { flex: none; width: 20px; height: 20px; border-radius: 5px; background: rgba(198,255,58,.12); border: 1px solid var(--line); position: relative; }
.chk::after { content: ""; position: absolute; left: 6px; top: 3px; width: 5px; height: 9px; border: solid var(--lime); border-width: 0 2px 2px 0; transform: rotate(45deg); }

/* ---------- regions ---------- */
.regions { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.region { padding: 22px; display: flex; flex-direction: column; gap: 6px; }
.region__top { display: flex; align-items: center; gap: 9px; font-size: .72rem; color: var(--ink-dim); }
.region strong { font-size: 1.12rem; font-weight: 600; }
.region__ms { color: var(--lime); font-size: .9rem; }
.region__bar { height: 4px; border-radius: 4px; background: rgba(255,255,255,.06); overflow: hidden; margin-top: 8px; }
.region__bar i { display: block; height: 100%; width: 0; background: var(--brand-grad); border-radius: 4px; transition: width 1.1s var(--ease); }
.reveal.in .region__bar i { width: var(--w); }

/* ---------- connect / steps / terminal ---------- */
.connect { display: grid; grid-template-columns: .82fr 1.18fr; gap: 32px; align-items: start; }
.steps { list-style: none; display: grid; gap: 14px; }
.step { display: flex; gap: 16px; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.015); transition: border-color .25s, transform .25s; }
.step:hover { border-color: rgba(198,255,58,.4); transform: translateX(4px); }
.step__id { font-size: 1.1rem; color: var(--lime); font-weight: 700; min-width: 30px; }
.step h3 { font-size: 1.02rem; font-weight: 600; margin-bottom: 5px; }
.step p { color: var(--ink-dim); font-size: .9rem; }

.term { padding: 0; overflow: hidden; }
.term__bar { display: flex; align-items: center; gap: 14px; padding: 12px 14px; border-bottom: 1px solid var(--line); background: rgba(0,0,0,.25); }
.term__dots { display: flex; gap: 6px; }
.term__dots i { width: 10px; height: 10px; border-radius: 50%; background: #2a333f; }
.term__dots i:first-child { background: #ff5f56; } .term__dots i:nth-child(2){ background:#ffbd2e; } .term__dots i:nth-child(3){ background:#27c93f; }
.term__tabs { display: flex; gap: 4px; margin-right: auto; }
.term__tab { font-family: var(--mono); font-size: .78rem; color: var(--ink-dim); background: transparent; border: 1px solid transparent; border-radius: 6px; padding: 5px 11px; cursor: pointer; transition: .2s; }
.term__tab:hover { color: var(--ink); }
.term__tab.is-active { color: #05070A; background: var(--lime); font-weight: 600; }
.term__copy { display: inline-flex; align-items: center; gap: 7px; font-family: var(--mono); font-size: .74rem; color: var(--ink-dim); background: transparent; border: 1px solid var(--line); border-radius: 6px; padding: 5px 10px; cursor: pointer; transition: .2s; }
.term__copy:hover { color: var(--ink); border-color: rgba(198,255,58,.5); }
.term__copy .i-ok { display: none; color: var(--lime); }
.term__copy.copied .i-copy { display: none; }
.term__copy.copied .i-ok { display: block; }
.term__copy.copied { color: var(--lime); border-color: rgba(198,255,58,.5); }
.term__body { padding: 18px; overflow-x: auto; min-height: 172px; }
.term__pane { display: none; font-family: var(--mono); font-size: .84rem; line-height: 1.75; color: #cdd7e2; }
.term__pane.is-active { display: block; animation: fadeUp .4s var(--ease); }
.term__pane code { white-space: pre; }
.c-c { color: var(--lime); } .c-s { color: #8ce89a; } .c-k { color: var(--cyan); } .c-f { color: #ffd479; } .c-p { color: #c792ea; } .c-b { color: var(--cyan); }

/* ---------- networks ---------- */
.net-filter { display: inline-flex; gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: 100px; margin-bottom: 26px; }
.net-filter__btn { font-family: var(--mono); font-size: .82rem; color: var(--ink-dim); background: transparent; border: none; border-radius: 100px; padding: 8px 18px; cursor: pointer; transition: .2s; }
.net-filter__btn.is-active { color: #05070A; background: var(--brand-grad); font-weight: 600; }
.nets { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.net { display: flex; align-items: center; gap: 14px; padding: 18px; overflow: hidden; }
.net::before { display: none; } .net::after { display: none; }
.net { border-left: 2px solid color-mix(in srgb, var(--c) 55%, transparent); }
.net.hide { display: none; }
.net__ico { flex: none; filter: drop-shadow(0 0 6px color-mix(in srgb, var(--c) 40%, transparent)); }
.net__body { display: flex; flex-direction: column; gap: 3px; margin-right: auto; }
.net__body strong { font-size: 1rem; font-weight: 600; }
.net__note { font-size: .68rem; color: var(--ink-dim); }
.net__badge { position: absolute; top: 12px; right: 12px; display: inline-flex; align-items: center; gap: 6px; font-family: var(--mono); font-size: .6rem; text-transform: uppercase; letter-spacing: .08em; padding: 4px 8px; border-radius: 100px; }
.net__badge--live { color: var(--lime); background: rgba(198,255,58,.1); border: 1px solid var(--line); }
.net__badge--soon { color: var(--ink-dim); background: rgba(255,255,255,.04); border: 1px solid var(--line-soft); }
.net__tick { position: absolute; bottom: 10px; right: 14px; font-size: 1.5rem; font-weight: 700; color: rgba(255,255,255,.05); letter-spacing: .05em; }

/* ---------- use cases ---------- */
.uc__tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.uc__tab { font-size: .9rem; color: var(--ink-dim); background: rgba(255,255,255,.02); border: 1px solid var(--line); border-radius: 100px; padding: 9px 18px; cursor: pointer; transition: .2s; }
.uc__tab:hover { color: var(--ink); border-color: rgba(198,255,58,.4); }
.uc__tab.is-active { color: #05070A; background: var(--brand-grad); border-color: transparent; font-weight: 600; }
.uc__panels { padding: 32px; min-height: 184px; }
.uc__panel { display: none; }
.uc__panel.is-active { display: block; animation: fadeUp .45s var(--ease); }
.uc__lead { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 20px; }
.uc__ico { flex: none; display: grid; place-items: center; width: 48px; height: 48px; border: 1px solid var(--line); border-radius: 12px; font-size: 1.4rem; background: rgba(198,255,58,.05); }
.uc__lead h3 { font-size: 1.2rem; font-weight: 600; }
.uc__lead p { color: var(--ink-dim); margin-top: 4px; }
.uc__points { list-style: none; display: grid; gap: 12px; grid-template-columns: repeat(3, 1fr); }
.uc__points li { display: flex; gap: 10px; align-items: center; font-size: .92rem; }

/* ---------- faq ---------- */
.faq { display: grid; gap: 12px; max-width: 860px; }
.faq__item { border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.015); overflow: hidden; transition: border-color .25s; }
.faq__item[open] { border-color: rgba(198,255,58,.4); }
.faq__item summary { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 22px; cursor: pointer; list-style: none; font-weight: 600; font-size: 1.02rem; }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__ic { flex: none; width: 20px; height: 20px; position: relative; }
.faq__ic::before, .faq__ic::after { content: ""; position: absolute; background: var(--lime); border-radius: 2px; transition: transform .3s var(--ease); }
.faq__ic::before { top: 9px; left: 2px; width: 16px; height: 2px; }
.faq__ic::after { left: 9px; top: 2px; width: 2px; height: 16px; }
.faq__item[open] .faq__ic::after { transform: rotate(90deg) scale(0); }
.faq__a { padding: 0 22px 22px; color: var(--ink-dim); animation: fadeUp .35s var(--ease); }

/* ---------- demo form ---------- */
.demo { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; padding: 40px; }
.demo__corner { position: absolute; width: 26px; height: 26px; border: 1.5px solid var(--lime); opacity: .6; }
.demo__corner.tl { top: 14px; left: 14px; border-right: 0; border-bottom: 0; }
.demo__corner.br { bottom: 14px; right: 14px; border-left: 0; border-top: 0; }
.demo__notes { list-style: none; display: grid; gap: 12px; margin-top: 26px; }
.demo__notes li { display: flex; gap: 11px; align-items: center; color: var(--ink); font-size: .94rem; }
.demo__form { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-content: start; }
.field { display: flex; flex-direction: column; gap: 7px; grid-column: 1 / -1; }
.field--half { grid-column: span 1; }
.field label { font-size: .82rem; color: var(--ink-dim); font-family: var(--mono); letter-spacing: .03em; }
.field input, .field textarea {
  font-family: var(--font); font-size: .95rem; color: var(--ink);
  background: rgba(0,0,0,.28); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 14px; transition: border-color .2s, box-shadow .2s; resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: var(--ink-faint); }
.field input:focus, .field textarea:focus { outline: none; border-color: rgba(198,255,58,.6); box-shadow: 0 0 0 3px rgba(198,255,58,.12); }
.field__err { font-size: .76rem; color: #ff6b6b; display: none; }
.field.invalid input, .field.invalid textarea { border-color: #ff6b6b; }
.field.invalid .field__err { display: block; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { position: relative; cursor: pointer; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span { display: inline-block; font-family: var(--mono); font-size: .8rem; padding: 8px 14px; border: 1px solid var(--line); border-radius: 100px; color: var(--ink-dim); transition: .2s; }
.chip input:checked + span { color: #05070A; background: var(--brand-grad); border-color: transparent; font-weight: 600; }
.chip input:focus-visible + span { outline: 2px solid var(--cyan); outline-offset: 2px; }

.demo__form .btn[type="submit"] { grid-column: 1 / -1; margin-top: 4px; }
.demo__legal { grid-column: 1 / -1; font-size: .76rem; color: var(--ink-faint); text-align: center; }

.demo__success { grid-column: 1 / -1; text-align: center; padding: 30px 20px; display: grid; place-items: center; gap: 10px; animation: fadeUp .4s var(--ease); }
.demo__success-ico { display: grid; place-items: center; width: 58px; height: 58px; border-radius: 50%; background: rgba(198,255,58,.12); border: 1px solid var(--line); color: var(--lime); }
.demo__success strong { font-size: 1.2rem; }
.demo__success p { color: var(--ink-dim); }
.demo__form.sent .field, .demo__form.sent .btn, .demo__form.sent .demo__legal { display: none; }

/* ---------- final cta ---------- */
.cta { text-align: center; padding: 56px 40px; overflow: hidden; }
.cta__glow { position: absolute; inset: 0; background: radial-gradient(circle at 50% 120%, var(--glow-lime), transparent 60%); opacity: .4; pointer-events: none; }
.cta .eyebrow { margin-inline: auto; }
.cta .sec-sub { margin-inline: auto; }
.cta__actions { display: flex; gap: 14px; justify-content: center; margin-top: 28px; flex-wrap: wrap; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--line); padding: 56px 0 30px; margin-top: 40px; background: linear-gradient(180deg, transparent, rgba(198,255,58,.02)); }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.footer__brand p { color: var(--ink-dim); font-size: .9rem; margin-top: 14px; max-width: 34ch; }
.footer__col { display: flex; flex-direction: column; gap: 11px; }
.footer__col h4 { font-family: var(--mono); font-size: .7rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 4px; }
.footer__col a { color: var(--ink-dim); font-size: .92rem; transition: color .2s; display: inline-flex; align-items: center; gap: 8px; }
.footer__col a:hover { color: var(--lime); }
.foot-live { font-size: .66rem; display: inline-flex; align-items: center; gap: 5px; color: var(--lime); }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line-soft); }
.footer__bottom small { color: var(--ink-faint); font-size: .8rem; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- keyframes ---------- */
@keyframes pulse { 0%,100% { transform: scale(1); opacity: .9; } 50% { transform: scale(1.7); opacity: .35; } }
@keyframes blink { 0%,60% { opacity: 1; } 61%,100% { opacity: .25; } }
@keyframes marquee { to { transform: translateX(-50%); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes dash { to { stroke-dashoffset: -1000; } }

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .hero__grid { grid-template-columns: 1fr; gap: 36px; }
  .hero__visual { order: -1; max-width: 400px; margin-inline: auto; }
  .grid-4, .regions, .nets { grid-template-columns: repeat(2, 1fr); }
  .connect { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .nav, .hdr__actions { display: none; }
  .burger { display: block; }
  .hdr.open .mnav { display: flex; }
  .sec-split, .demo { grid-template-columns: 1fr; }
  .uc__points { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .section { padding: 60px 0; }
  .container { padding-inline: 18px; }
  .stats, .grid-4, .regions, .nets, .hero__facts { grid-template-columns: 1fr; }
  .hero__facts { grid-template-columns: 1fr 1fr; }
  .demo__form { grid-template-columns: 1fr; }
  .field--half { grid-column: 1 / -1; }
  .footer__grid, .footer__bottom { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
  .demo, .uc__panels, .cta { padding: 26px 20px; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .ticker-track { animation: none; }
  .constellation .core, .live-dot { animation: none; }
}