:root {
    --bg: #50514f;
    --bg-deep: #393b3a;
    --surface: rgba(101, 102, 100, .82);
    --surface-2: rgba(119, 120, 117, .72);
    --surface-3: rgba(139, 140, 137, .58);
    --text: #f8f8f6;
    --muted: #d0d0cd;
    --quiet: #adaeab;
    --line: rgba(255, 255, 255, .16);
    --line-strong: rgba(255, 255, 255, .29);
    --accent: #f4a259;
    --accent-soft: rgba(244, 162, 89, .18);
    --success: #79c99e;
    --danger: #e47d7d;
    --radius: 8px;
    --max: 1180px;
    --shadow: 0 22px 70px rgba(25, 26, 25, .28);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 112px; }
body {
    min-height: 100vh;
    overflow-x: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    letter-spacing: 0;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
::selection { color: var(--bg-deep); background: var(--accent); }

.signal-field, .ambient-lights {
    position: fixed;
    inset: 0;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
    opacity: .92;
}
.signal-field i, .ambient-lights i {
    position: absolute;
    left: -12%;
    width: 124%;
    height: 17%;
    border: 1px solid rgba(244,162,89,.23);
    border-left-color: transparent;
    border-right-color: transparent;
    border-radius: 50%;
    animation: signalDrift 20s ease-in-out infinite alternate;
}
.signal-field i:nth-child(1), .ambient-lights i:nth-child(1) { top: 1%; }
.signal-field i:nth-child(2), .ambient-lights i:nth-child(2) { top: 14%; animation-delay: -3s; border-color: rgba(255,255,255,.16) transparent; }
.signal-field i:nth-child(3), .ambient-lights i:nth-child(3) { top: 28%; animation-delay: -6s; }
.signal-field i:nth-child(4), .ambient-lights i:nth-child(4) { top: 42%; animation-delay: -9s; border-color: rgba(255,255,255,.14) transparent; }
.signal-field i:nth-child(5), .ambient-lights i:nth-child(5) { top: 56%; animation-delay: -12s; }
.signal-field i:nth-child(6), .ambient-lights i:nth-child(6) { top: 69%; animation-delay: -15s; border-color: rgba(255,255,255,.15) transparent; }
.signal-field i:nth-child(7), .ambient-lights i:nth-child(7) { top: 82%; animation-delay: -18s; }
.signal-field i:nth-child(8), .ambient-lights i:nth-child(8) { top: 94%; animation-delay: -7s; border-color: rgba(255,255,255,.13) transparent; }
@keyframes signalDrift { from { transform: translate3d(-2%, -7px, 0) scaleX(.98); } to { transform: translate3d(2%, 12px, 0) scaleX(1.02); } }

.site-nav {
    position: sticky;
    top: 18px;
    z-index: 30;
    width: min(calc(100% - 36px), var(--max));
    min-height: 68px;
    margin: 18px auto 0;
    padding: 10px 12px 10px 18px;
    display: flex;
    align-items: center;
    gap: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(55, 57, 56, .9);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
    transition: min-height .25s ease, border-color .25s ease, transform .25s ease;
}
.site-nav.is-compact { min-height: 58px; border-color: var(--line-strong); }
.brand { display: inline-flex; align-items: center; gap: 10px; flex: 0 0 auto; font-weight: 800; }
.brand img { display: block; object-fit: contain; }
.nav-links { display: flex; align-items: center; justify-content: center; gap: 4px; margin: 0 auto; }
.nav-links a { padding: 10px 14px; color: var(--muted); border-radius: 6px; transition: color .2s ease, background .2s ease; }
.nav-links a:hover, .nav-links a.is-active { color: var(--text); background: var(--surface-2); }
.nav-action, .button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 20px;
    border: 1px solid transparent;
    border-radius: 6px;
    font-weight: 750;
    cursor: pointer;
    transition: transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.nav-action, .button-primary { color: #171717; background: var(--accent); }
.nav-action:hover, .button-primary:hover { background: #ffb36e; transform: translateY(-2px); }
.button-secondary { color: var(--text); border-color: var(--line-strong); background: var(--surface); }
.button-secondary:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

main, .footer { width: min(calc(100% - 36px), var(--max)); margin-inline: auto; }
.hero {
    min-height: calc(100vh - 104px);
    padding: 92px 0 70px;
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(420px, .98fr);
    align-items: center;
    gap: 72px;
}
.eyebrow { color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: 4px; text-transform: uppercase; }
.hero h1 { margin-top: 20px; font-size: 76px; line-height: .95; font-weight: 850; }
.hero-lead { max-width: 650px; margin-top: 26px; color: var(--muted); font-size: 22px; line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.hero-facts { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 54px; border-top: 1px solid var(--line); }
.hero-facts span { padding: 18px 14px 0 0; color: var(--quiet); font-size: 13px; }
.hero-facts strong { display: block; margin-bottom: 4px; color: var(--text); font-size: 20px; }

.control-preview {
    position: relative;
    padding: 28px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: 0 32px 90px rgba(25,26,25,.32);
    backdrop-filter: blur(16px);
    overflow: hidden;
    transform: perspective(1100px) rotateY(var(--tilt-x, -3deg)) rotateX(var(--tilt-y, 1deg)) translate3d(0, var(--lift, 0), 0);
    transform-style: preserve-3d;
    will-change: transform;
    transition: transform .5s ease, border-color .3s ease;
}
.control-preview::before { content: ""; position: absolute; top: 0; left: 0; width: 34%; height: 2px; background: var(--accent); animation: scanLine 4.5s ease-in-out infinite alternate; }
.control-preview:hover { --lift: -5px; border-color: var(--accent); }
@keyframes scanLine { to { left: 66%; } }
.preview-top, .preview-plan, .preview-metrics, .preview-nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.preview-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; }
.live-state { padding: 8px 11px; color: var(--accent); border: 1px solid var(--accent); border-radius: 999px; font-size: 11px; font-weight: 800; animation: livePulse 2.4s ease-in-out infinite; }
@keyframes livePulse { 50% { opacity: .62; box-shadow: 0 0 0 5px rgba(244,162,89,.08); } }
.preview-plan { margin-top: 40px; align-items: end; }
.preview-plan div { display: grid; gap: 5px; }
.preview-plan small, .preview-metrics small { color: var(--quiet); font-size: 10px; letter-spacing: 1.6px; }
.preview-plan strong { font-size: 23px; }
.preview-plan span { color: var(--muted); font-size: 14px; }
.preview-plan > b { color: var(--accent); font-size: 34px; }
.preview-meter, .console-meter { height: 7px; margin: 22px 0; overflow: hidden; background: var(--surface-3); border-radius: 2px; }
.preview-meter span, .console-meter i { display: block; height: 100%; background: var(--accent); transition: width .45s ease; }
.preview-metrics { padding: 18px 0 24px; border-bottom: 1px solid var(--line); }
.preview-metrics span { display: grid; gap: 6px; }
.preview-nav { margin-top: 18px; }
.preview-nav span { padding: 8px 7px; color: var(--quiet); font-size: 12px; }
.preview-nav .is-current { color: var(--accent); }

.product-band, .route-band, .cabinet-band, .pricing-band, .faq-band { padding: 112px 0; border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: minmax(0, .85fr) minmax(320px, 1.15fr); column-gap: 64px; align-items: end; margin-bottom: 48px; }
.section-heading .eyebrow { grid-column: 1 / -1; margin-bottom: 20px; }
.section-heading h2 { max-width: 680px; font-size: 46px; line-height: 1.06; }
.section-heading > p:last-child { color: var(--muted); font-size: 18px; line-height: 1.6; }
.section-heading.compact { display: block; max-width: 780px; }
.section-heading.compact h2 { margin-top: 18px; }
.section-heading.compact > p:last-child { margin-top: 18px; }
.mode-ledger { border-top: 1px solid var(--line-strong); }
.mode-ledger article { display: grid; grid-template-columns: 56px 1fr auto; gap: 24px; align-items: center; padding: 34px 18px 34px 0; border-bottom: 1px solid var(--line); transition: background .25s ease, padding .25s ease; }
.mode-ledger article:hover { padding-left: 18px; background: var(--surface); }
.mode-ledger article.is-accent { border-left: 2px solid var(--accent); padding-left: 18px; }
.mode-code { color: var(--quiet); font-variant-numeric: tabular-nums; }
.mode-ledger small { color: var(--accent); font-weight: 800; letter-spacing: 2px; }
.mode-ledger h3 { margin-top: 7px; font-size: 25px; }
.mode-ledger p { max-width: 680px; margin-top: 8px; color: var(--muted); line-height: 1.55; }
.mode-ledger article > strong { color: var(--accent); font-size: 27px; white-space: nowrap; }

.route-line { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); list-style: none; }
.route-line::before { content: ""; position: absolute; top: 12px; left: 2%; right: 2%; height: 1px; background: var(--line-strong); }
.route-line li { position: relative; padding: 42px 26px 0 0; }
.route-line li::before { content: ""; position: absolute; top: 7px; left: 0; width: 11px; height: 11px; border: 3px solid var(--bg); border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.route-line b { color: var(--quiet); font-size: 12px; }
.route-line strong, .route-line span { display: block; }
.route-line strong { margin-top: 13px; font-size: 18px; }
.route-line span { margin-top: 7px; color: var(--muted); line-height: 1.45; }
.route-note { max-width: 760px; margin-top: 42px; padding-left: 16px; color: var(--muted); border-left: 2px solid var(--accent); line-height: 1.6; }

.cabinet-console { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(300px, .8fr); border: 1px solid var(--line-strong); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.console-screen { min-height: 430px; padding: 42px; border-right: 1px solid var(--line); }
.console-heading { display: grid; gap: 12px; }
.console-heading span { color: var(--accent); font-size: 12px; letter-spacing: 3px; font-weight: 800; }
.console-heading b { font-size: 36px; }
.console-screen > p { max-width: 560px; min-height: 58px; margin-top: 22px; color: var(--muted); font-size: 18px; line-height: 1.55; }
.console-screen > strong { display: block; color: var(--accent); font-size: 24px; }
.console-screen ul { display: grid; gap: 12px; margin-top: 30px; list-style: none; }
.console-screen li::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 12px; border-radius: 50%; background: var(--accent); vertical-align: middle; }
.console-tabs { display: grid; grid-template-columns: 1fr; }
.console-tabs button { min-height: 82px; padding: 18px 26px; text-align: left; border: 0; border-bottom: 1px solid var(--line); background: transparent; color: var(--muted); cursor: pointer; transition: color .2s ease, background .2s ease, padding .2s ease; }
.console-tabs button:hover, .console-tabs button.is-active { padding-left: 34px; color: var(--text); background: var(--surface-2); }
.console-tabs button.is-active { box-shadow: inset 3px 0 var(--accent); }

.pricing-list { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pricing-list article { min-height: 350px; padding: 30px; border-right: 1px solid var(--line); display: flex; flex-direction: column; transition: background .25s ease, transform .25s ease; }
.pricing-list article:last-child { border-right: 0; }
.pricing-list article:hover { background: var(--surface); transform: translateY(-5px); }
.pricing-list article.is-featured { background: var(--surface); box-shadow: inset 0 2px var(--accent); }
.pricing-list small { color: var(--accent); font-weight: 800; letter-spacing: 2px; }
.pricing-list h3 { margin-top: 28px; font-size: 25px; }
.pricing-list strong { margin-top: 34px; font-size: 31px; }
.pricing-list p { margin-top: 18px; color: var(--muted); line-height: 1.6; }
.pricing-list a { margin-top: auto; padding-top: 25px; color: var(--accent); font-weight: 750; }
.pricing-list a::after { content: " →"; }

.faq-list { border-top: 1px solid var(--line-strong); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item button { width: 100%; min-height: 78px; padding: 18px 4px; display: flex; align-items: center; justify-content: space-between; gap: 18px; border: 0; background: transparent; text-align: left; font-weight: 750; cursor: pointer; }
.faq-item button span { position: relative; width: 20px; height: 20px; flex: 0 0 20px; }
.faq-item button span::before, .faq-item button span::after { content: ""; position: absolute; top: 9px; left: 2px; width: 16px; height: 2px; background: var(--accent); transition: transform .25s ease; }
.faq-item button span::after { transform: rotate(90deg); }
.faq-item.is-open button span::after { transform: rotate(0); }
.faq-item > p { max-height: 0; overflow: hidden; color: var(--muted); line-height: 1.65; transition: max-height .35s ease, padding .35s ease; }
.faq-item.is-open > p { max-height: 240px; padding: 0 40px 26px 0; }

.cta-band { margin-top: 60px; padding: 58px; display: flex; align-items: center; justify-content: space-between; gap: 44px; border: 1px solid var(--accent); border-radius: var(--radius); background: var(--surface); }
.cta-band h2 { margin-top: 16px; font-size: 39px; }
.cta-band p:last-child { margin-top: 13px; color: var(--muted); }
.footer { margin-top: 60px; padding: 32px 0 44px; display: flex; align-items: center; justify-content: space-between; gap: 28px; border-top: 1px solid var(--line); }
.footer nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 20px; color: var(--muted); }
.footer nav a:hover { color: var(--accent); }

[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
.is-decor-paused .signal-field i,
.is-decor-paused .ambient-lights i,
.is-decor-paused .control-preview::before,
.is-decor-paused .live-state { animation-play-state: paused; }

@media (pointer: fine) {
    .control-preview > * { transform: translateZ(16px); }
}

/* Legal documents */
.page-shell { min-height: 100vh; }
.legal-main { width: min(calc(100% - 36px), var(--max)); margin: 0 auto; padding: 82px 0 40px; }
.legal-hero { max-width: none; padding: 48px; margin-bottom: 34px; border: 1px solid var(--line-strong); border-radius: 12px; background: linear-gradient(135deg, rgba(66,68,66,.95), rgba(84,85,82,.7)); box-shadow: var(--shadow); }
.legal-hero h1 { margin-top: 20px; font-size: 54px; line-height: 1.05; }
.legal-hero > p:not(.eyebrow) { max-width: 760px; margin-top: 20px; color: var(--muted); font-size: 18px; line-height: 1.6; }
.legal-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.legal-meta { display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.legal-meta b { color: var(--text); margin-right: 5px; }
.legal-layout { display: grid; grid-template-columns: 270px minmax(0, 1fr); gap: 42px; align-items: start; }
.legal-toc { position: sticky; top: 112px; max-height: calc(100vh - 136px); padding: 18px; overflow: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.legal-toc strong { display: block; margin-bottom: 14px; color: var(--accent); font-size: 12px; letter-spacing: 2px; }
.legal-toc a { display: block; padding: 8px 0; color: var(--muted); font-size: 13px; line-height: 1.35; }
.legal-toc a:hover { color: var(--accent); }
.legal-doc { display: grid; gap: 14px; }
.legal-doc section { position: relative; padding: 38px 42px; border: 1px solid var(--line); border-radius: 10px; background: rgba(69,70,68,.62); scroll-margin-top: 116px; }
.legal-number { position: absolute; top: 40px; right: 38px; color: rgba(244,162,89,.55); font-size: 12px; font-weight: 850; letter-spacing: 2px; }
.legal-doc h2 { max-width: 780px; font-size: 27px; line-height: 1.2; }
.legal-doc h3 { margin-top: 24px; font-size: 18px; }
.legal-doc p, .legal-doc li { color: var(--muted); line-height: 1.72; }
.legal-doc p { margin-top: 16px; }
.legal-doc ul, .legal-doc ol { margin: 16px 0 0 22px; }
.legal-doc li + li { margin-top: 8px; }
.legal-doc a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.legal-requisites { margin-top: 28px; display: grid; grid-template-columns: minmax(170px, .6fr) 1fr; border-top: 1px solid var(--line); }
.legal-requisites dt, .legal-requisites dd { padding: 12px 0; border-bottom: 1px solid var(--line); }
.legal-requisites dt { color: var(--quiet); }
.legal-requisites dd { color: var(--text); }
.legal-actions-bottom { margin-top: 34px; }

@media (max-width: 900px) {
    .site-nav { gap: 12px; }
    .nav-links { display: none; }
    .nav-action { margin-left: auto; }
    .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 72px; gap: 58px; }
    .hero h1 { font-size: 60px; }
    .control-preview { max-width: 620px; transform: none; }
    .section-heading { display: block; }
    .section-heading h2 { margin-top: 18px; }
    .section-heading > p:last-child { margin-top: 20px; }
    .route-line { grid-template-columns: repeat(2, 1fr); gap: 28px 0; }
    .route-line::before { display: none; }
    .route-line li { padding-top: 28px; }
    .cabinet-console { grid-template-columns: 1fr; }
    .console-screen { border-right: 0; border-bottom: 1px solid var(--line); }
    .console-tabs { grid-template-columns: repeat(5, 1fr); }
    .console-tabs button { min-height: 72px; padding: 12px 8px; text-align: center; border-bottom: 0; border-right: 1px solid var(--line); font-size: 13px; }
    .console-tabs button:hover, .console-tabs button.is-active { padding-left: 8px; }
    .console-tabs button.is-active { box-shadow: inset 0 -3px var(--accent); }
    .pricing-list { grid-template-columns: 1fr; }
    .pricing-list article { min-height: 280px; border-right: 0; border-bottom: 1px solid var(--line); }
    .legal-layout { grid-template-columns: 1fr; }
    .legal-toc { position: static; max-height: none; columns: auto; padding: 0; overflow: hidden; }
    .legal-toc strong { position: relative; margin: 0; padding: 17px 48px 17px 18px; cursor: pointer; }
    .legal-toc strong::after { content: "+"; position: absolute; right: 18px; top: 13px; font-size: 22px; }
    .legal-toc.is-open strong::after { content: "−"; }
    .legal-toc a { display: none; padding: 9px 18px; }
    .legal-toc.is-open a { display: block; }
    .legal-toc.is-open { padding-bottom: 10px; }
}

@media (max-width: 620px) {
    html { scroll-padding-top: 88px; }
    .site-nav { top: 8px; width: calc(100% - 20px); min-height: 58px; margin-top: 8px; padding: 8px 9px 8px 12px; }
    .brand { font-size: 14px; }
    .brand img { width: 28px; height: 28px; }
    .legal-hero { padding: 28px 22px; }
    .legal-hero h1 { font-size: 39px; }
    .legal-doc section { padding: 30px 22px; }
    .legal-number { top: 31px; right: 20px; }
    .legal-requisites { grid-template-columns: 1fr; }
    .nav-action { min-height: 40px; padding-inline: 13px; font-size: 12px; }
    main, .footer, .legal-main { width: calc(100% - 28px); }
    .hero { padding: 66px 0 50px; }
    .eyebrow { font-size: 10px; letter-spacing: 2.6px; }
    .hero h1 { margin-top: 15px; font-size: 48px; }
    .hero-lead { margin-top: 20px; font-size: 18px; }
    .hero-actions { display: grid; grid-template-columns: 1fr; }
    .button { width: 100%; }
    .hero-facts { margin-top: 38px; }
    .hero-facts span { font-size: 11px; }
    .hero-facts strong { font-size: 16px; }
    .control-preview { padding: 20px; }
    .preview-plan { align-items: start; }
    .preview-plan strong { max-width: 185px; font-size: 18px; }
    .preview-plan > b { font-size: 24px; }
    .preview-metrics { gap: 8px; }
    .preview-metrics strong { font-size: 13px; }
    .preview-nav span { font-size: 10px; }
    .product-band, .route-band, .cabinet-band, .pricing-band, .faq-band { padding: 76px 0; }
    .section-heading { margin-bottom: 32px; }
    .section-heading h2 { font-size: 33px; }
    .section-heading > p:last-child { font-size: 16px; }
    .mode-ledger article { grid-template-columns: 32px 1fr; gap: 14px; }
    .mode-ledger article > strong { grid-column: 2; font-size: 21px; }
    .mode-ledger h3 { font-size: 21px; }
    .route-line { grid-template-columns: 1fr; }
    .route-line li { padding: 20px 0 0 26px; }
    .route-line li::before { top: 22px; }
    .console-screen { min-height: 400px; padding: 26px 20px; }
    .console-heading b { font-size: 27px; }
    .console-screen > p { font-size: 16px; }
    .console-tabs { grid-template-columns: repeat(5, minmax(72px, 1fr)); overflow-x: auto; }
    .pricing-list article { padding: 24px 20px; }
    .cta-band { padding: 28px 22px; display: block; }
    .cta-band h2 { font-size: 31px; }
    .cta-band .button { margin-top: 26px; }
    .footer { display: block; }
    .footer nav { justify-content: flex-start; margin-top: 24px; gap: 14px 18px; font-size: 13px; }
    .legal-main { padding-top: 64px; }
    .legal-hero h1 { font-size: 38px; }
    .legal-toc { columns: 1; }
    .legal-doc section { padding: 30px 0; }
    .legal-doc h2 { font-size: 23px; }
    .legal-requisites { grid-template-columns: 1fr; }
    .legal-requisites dt { padding-bottom: 3px; border-bottom: 0; }
    .legal-requisites dd { padding-top: 3px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    [data-reveal] { opacity: 1; transform: none; }
}

@media print {
    :root { --bg: #fff; --surface: #fff; --surface-2: #f4f4f4; --text: #111; --muted: #333; --quiet: #555; --line: #bbb; --line-strong: #888; }
    body::before, .ambient-lights, .signal-field, .site-nav, .footer, .legal-toc, .legal-actions { display: none !important; }
    .legal-main { width: 100%; padding: 0; }
    .legal-layout { display: block; }
    .legal-doc section { break-inside: avoid; }
}