:root {
  --bg: #0a0f1e;
  --bg-2: #10172b;
  --panel: #141d35;
  --line: #24304f;
  --text: #e8ecf6;
  --muted: #9aa6c3;
  --volt: #ffd23f;
  --volt-2: #ffb703;
  --spark: #38e1ff;
  --ok: #5ef2a5;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, .35);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 var(--font);
  overflow-x: hidden;
}
a { color: var(--spark); text-underline-offset: 3px; }
a:hover { color: #8ef0ff; }
img, svg { display: block; }
h1, h2, h3 { line-height: 1.2; letter-spacing: -.01em; margin: 0 0 .6em; }
h1 { font-size: clamp(2rem, 5.2vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); font-weight: 750; }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
:focus-visible { outline: 3px solid var(--volt); outline-offset: 2px; border-radius: 4px; }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 760px; }
.muted { color: var(--muted); }
.sec { padding-top: 28px; padding-bottom: 28px; }
.lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: #c9d1e6; max-width: 62ch; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--volt); color: #000; padding: 8px 12px; z-index: 10; }
.skip:focus { left: 8px; }
.ico { width: 1.15em; height: 1.15em; flex: none; }

/* header */
.top { position: sticky; top: 0; z-index: 5; background: rgba(10, 15, 30, .86); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.top-in { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 16px; min-height: 62px; padding-top: 8px; padding-bottom: 8px; }
.logo { display: inline-flex; align-items: center; gap: 8px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.1rem; white-space: nowrap; }
.logo b { color: var(--volt); }
.logo-ico { width: 26px; height: 26px; color: var(--volt); filter: drop-shadow(0 0 6px rgba(255, 210, 63, .7)); }
.nav { display: flex; order: 3; width: 100%; gap: 20px; overflow-x: auto; scrollbar-width: none; }
.nav a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: .95rem; }
.nav a:hover, .nav a[aria-current] { color: var(--text); }
.top .btn-sm { margin-left: auto; }
.nav a { white-space: nowrap; padding: 4px 0; }
@media (min-width: 820px) { .top-in { flex-wrap: nowrap; } .nav { order: 0; width: auto; margin-left: auto; } .top .btn-sm { margin-left: 0; } }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  background: linear-gradient(180deg, var(--volt), var(--volt-2));
  color: #111; font-weight: 750; text-decoration: none; border: 0; cursor: pointer;
  padding: 14px 22px; border-radius: 999px; font-size: 1rem; font-family: inherit;
  box-shadow: 0 0 0 0 rgba(255, 210, 63, .5), 0 6px 20px rgba(255, 183, 3, .25);
  transition: transform .15s, box-shadow .2s;
}
.btn:hover { color: #000; transform: translateY(-1px); box-shadow: 0 0 0 6px rgba(255, 210, 63, .12), 0 8px 26px rgba(255, 183, 3, .35); }
.btn-sm { padding: 9px 16px; font-size: .9rem; }
.btn-ghost { background: transparent; color: var(--text); box-shadow: inset 0 0 0 2px var(--line); }
.btn-ghost:hover { color: var(--text); box-shadow: inset 0 0 0 2px var(--spark); }
.btn[disabled] { opacity: .6; cursor: wait; }

/* hero */
.hero { position: relative; overflow: hidden; padding: 56px 0 44px; border-bottom: 1px solid var(--line);
  background: radial-gradient(900px 400px at 85% -10%, rgba(56, 225, 255, .14), transparent 60%),
              radial-gradient(700px 380px at 0% 110%, rgba(255, 210, 63, .10), transparent 60%), var(--bg); }
.hero-in { position: relative; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--volt); font-weight: 650; font-size: .92rem; margin-bottom: 18px; flex-wrap: wrap; }
.hl { color: var(--volt); text-shadow: 0 0 24px rgba(255, 210, 63, .45); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 26px 0 22px; }
.ticks { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px 22px; color: var(--muted); font-size: .95rem; }
.ticks li { display: flex; align-items: center; gap: 6px; }
.ticks .ico { color: var(--ok); }
.circuit { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .55; }
.trace { stroke: rgba(56, 225, 255, .28); stroke-dasharray: 8 14; animation: flow 6s linear infinite; }
.t2 { stroke: rgba(255, 210, 63, .25); animation-duration: 8s; }
.t3 { animation-duration: 7s; animation-direction: reverse; }
.t4 { stroke: rgba(255, 210, 63, .2); animation-duration: 9s; }
.nodes circle { fill: var(--spark); opacity: .7; animation: pulse 2.6s ease-in-out infinite; }
.nodes circle:nth-child(2n) { fill: var(--volt); animation-delay: 1.3s; }
@keyframes flow { to { stroke-dashoffset: -220; } }
@keyframes pulse { 50% { opacity: .15; } }
@media (prefers-reduced-motion: reduce) { .trace, .nodes circle { animation: none; } html { scroll-behavior: auto; } }

/* cards */
.cards { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); margin-top: 18px; }
.card {
  position: relative; display: flex; flex-direction: column; gap: 4px; padding: 20px;
  background: linear-gradient(180deg, var(--panel), var(--bg-2)); border: 1px solid var(--line);
  border-radius: var(--radius); text-decoration: none; color: var(--text); transition: border-color .2s, transform .2s;
}
.card:hover { color: var(--text); border-color: var(--volt); transform: translateY(-2px); }
.card-ico { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 12px; background: rgba(255, 210, 63, .1); color: var(--volt); margin-bottom: 8px; }
.card-ico .ico { width: 24px; height: 24px; }
.card-name { font-weight: 700; }
.card-price { font-size: 1.35rem; font-weight: 800; color: var(--volt); font-variant-numeric: tabular-nums; }
.card-unit { color: var(--muted); font-size: .9rem; }

/* layout bits */
.split, .grid2 { display: grid; gap: 24px; }
@media (min-width: 860px) { .split, .grid2 { grid-template-columns: 1fr 1fr; align-items: start; } }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.steps { padding-left: 1.2em; margin: 0; }
.steps li { margin-bottom: 14px; padding-left: 4px; }
.steps li::marker { color: var(--volt); font-weight: 800; }
.checklist { list-style: none; padding: 0; margin: 0; }
.checklist li { display: flex; gap: 10px; margin-bottom: 10px; }
.checklist .ico { color: var(--ok); margin-top: .25em; }
.checklist.plus .ico { color: var(--volt); }

.areas { display: grid; gap: 14px; margin-top: 16px; }
@media (min-width: 760px) { .areas { grid-template-columns: 1fr 1fr; } }
.area { display: flex; flex-direction: column; gap: 6px; padding: 20px; border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; color: var(--text); background: var(--bg-2); }
.area:hover { border-color: var(--spark); color: var(--text); }
.area-h { display: flex; align-items: center; gap: 8px; font-weight: 750; font-size: 1.15rem; }
.area-h .ico { color: var(--spark); }
.area-pc { color: var(--volt); font-size: .85rem; font-weight: 650; font-variant-numeric: tabular-nums; }
.towns { list-style: none; padding: 0; margin: 0; }
.towns li { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.towns li:last-child { border-bottom: 0; }

/* page heads, crumbs */
.crumbs ol { list-style: none; padding: 18px 0 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; font-size: .88rem; color: var(--muted); }
.crumbs li + li::before { content: "›"; margin-right: 6px; }
.crumbs a { color: var(--muted); }
.page-head { padding: 24px 0 8px; }
.job-head { display: flex; gap: 18px; align-items: flex-start; }
.big-ico { flex: none; width: 64px; height: 64px; display: none; place-items: center; border-radius: 18px; background: rgba(255, 210, 63, .1); color: var(--volt); box-shadow: 0 0 30px rgba(255, 210, 63, .15); }
.big-ico .ico { width: 34px; height: 34px; }
@media (min-width: 640px) { .big-ico { display: grid; } }
.stamp { display: inline-flex; align-items: center; gap: 6px; font-size: .9rem; color: var(--ok); }

/* price tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.prices { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.prices th, .prices td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.prices thead th { background: var(--bg-2); color: var(--muted); font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; }
.prices tbody th { font-weight: 600; }
.prices tbody tr:last-child > * { border-bottom: 0; }
.prices .num { color: var(--volt); font-weight: 800; white-space: nowrap; }
.note { color: var(--muted); font-size: .95rem; margin-top: 12px; }

.factors { display: grid; gap: 12px; margin: 0; }
@media (min-width: 720px) { .factors { grid-template-columns: 1fr 1fr; } }
.factors div { padding: 16px 18px; border-left: 3px solid var(--spark); background: var(--bg-2); border-radius: 0 10px 10px 0; }
.factors dt { font-weight: 700; margin-bottom: 4px; }
.factors dd { margin: 0; color: #c9d1e6; }

/* faq */
.faq { display: grid; gap: 10px; }
.faq details { border: 1px solid var(--line); border-radius: 12px; background: var(--bg-2); }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 12px; padding: 16px 18px; font-weight: 650; }
.faq summary::-webkit-details-marker { display: none; }
.faq-ico { width: 20px; height: 20px; flex: none; color: var(--volt); transition: transform .2s; }
.faq details[open] .faq-ico { transform: rotate(45deg); }
.faq details p { padding: 0 18px 16px; margin: 0; color: #c9d1e6; }

/* cta */
.cta { position: relative; overflow: hidden; display: grid; gap: 18px; align-items: center; margin: 28px 0; padding: 28px; border-radius: 20px; border: 1px solid rgba(255, 210, 63, .35); background: linear-gradient(135deg, #18213d, #0f1629); }
.cta h2 { margin-bottom: .4em; }
.cta p { margin: 0; color: #c9d1e6; }
.cta-glow { position: absolute; width: 380px; height: 380px; right: -120px; top: -160px; background: radial-gradient(closest-side, rgba(255, 210, 63, .22), transparent); pointer-events: none; }
@media (min-width: 760px) { .cta { grid-template-columns: 1fr auto; padding: 34px 38px; } }

.sources { padding-left: 1.2em; }
.sources li { margin-bottom: 6px; }
.prose h2 { margin-top: 1.4em; }

/* form */
.form { display: grid; gap: 16px; padding: 24px; background: var(--panel); border: 1px solid var(--line); border-radius: 18px; margin: 12px 0 40px; }
.field { display: grid; gap: 6px; }
.field label { font-weight: 650; }
.opt, .hint { color: var(--muted); font-weight: 400; font-size: .92rem; }
.hint { margin: -6px 0 0; }
.row2 { display: grid; gap: 16px; }
@media (min-width: 620px) { .row2 { grid-template-columns: 1fr 1fr; } }
input, select, textarea {
  width: 100%; font: inherit; color: var(--text); background: var(--bg); border: 1px solid var(--line);
  border-radius: 10px; padding: 12px 14px; min-height: 48px;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--volt); box-shadow: 0 0 0 3px rgba(255, 210, 63, .2); }
[aria-invalid="true"] { border-color: #ff6b6b; }
.consent { display: flex; gap: 10px; align-items: flex-start; font-size: .95rem; color: #c9d1e6; }
.consent input { width: 22px; height: 22px; min-height: 0; margin-top: 2px; flex: none; accent-color: var(--volt); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-msg { margin: 0; font-weight: 600; }
.form-msg.ok { color: var(--ok); }
.form-msg.err { color: #ff8f8f; }

/* footer */
.foot { margin-top: 40px; border-top: 1px solid var(--line); background: var(--bg-2); padding: 36px 0 20px; }
.foot-grid { display: grid; gap: 26px; }
@media (min-width: 760px) { .foot-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.foot-h { font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.foot-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.foot-list a { color: var(--text); text-decoration: none; }
.foot-list a:hover { color: var(--volt); }
.legal { margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--line); font-size: .85rem; color: var(--muted); }