@font-face {
  font-family: "Onest";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/static/fonts/onest/Onest-Cyrillic.9049b6d62b77.woff2") format("woff2");
  unicode-range: U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "Onest";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/static/fonts/onest/Onest-Latin.d5c8e706f54e.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/static/fonts/jetbrains-mono/jetbrains-mono-latin-400-normal.caf0dfde4e44.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/static/fonts/jetbrains-mono/jetbrains-mono-cyrillic-400-normal.82462194ebb6.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/static/fonts/jetbrains-mono/jetbrains-mono-latin-600-normal.075ec35bc15b.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/static/fonts/jetbrains-mono/jetbrains-mono-cyrillic-600-normal.e2db7a17abcd.woff2") format("woff2");
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}

/* ------------------------------------------------------------------ tokens */
.landing-page {
  --nl-bg: #f4f6f8;
  --nl-surface: #ffffff;
  --nl-ink: #0b1520;
  --nl-muted: #5a6774;
  --nl-line: #d8dee4;
  --nl-line-strong: #aeb9c3;
  --nl-accent: #0f3dde;
  --nl-accent-ink: #0b2fae;
  --nl-accent-soft: #e6ebff;
  --nl-cc: #0f3dde;
  --nl-ndc: #0e8c7b;
  --nl-sn: #c98a08;
  --nl-ok: #178a4c;
  --nl-ok-soft: #e3f3e9;
  --nl-bad: #c93b2f;
  --nl-bad-soft: #fbe7e4;
  --nl-mono: "JetBrains Mono", "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  --nl-sans: "Onest", "Segoe UI", system-ui, -apple-system, sans-serif;
  --nl-ease: cubic-bezier(.2, .7, .2, 1);
  background: var(--nl-bg);
  color: var(--nl-ink);
  font-family: var(--nl-sans);
  -webkit-font-smoothing: antialiased;
}
.nl-wrap { width: min(1440px, calc(100% - 64px)); margin: 0 auto; }
.nl code, .nl pre, .nl-mono { font-family: var(--nl-mono); font-variant-numeric: tabular-nums; }
.nl code { font-size: .92em; background: var(--nl-accent-soft); color: var(--nl-accent-ink); padding: 1px 6px; border-radius: 4px; }
.nl h1, .nl h2, .nl h3 { margin: 0; letter-spacing: -.03em; text-wrap: balance; }
.nl p { margin: 0; }
.nl-sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.nl-section-label { font: 600 11px/1 var(--nl-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--nl-muted); display: flex; align-items: center; gap: 10px; }
.nl-section-label::before { content: ""; width: 22px; height: 1px; background: var(--nl-line-strong); }
.nl-section-head { display: grid; gap: 18px; max-width: 62ch; }
.nl-section-head h2 { font-size: clamp(30px, 3.4vw, 46px); line-height: 1.04; font-weight: 800; }
.nl-section-head p:not(.nl-section-label) { color: var(--nl-muted); font-size: 17px; line-height: 1.55; }
.nl section { border-top: 1px solid var(--nl-line); position: relative; z-index: 1; }
.nl-hero { border-top: 0 !important; background: var(--nl-bg); }
.nl-field { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; opacity: 0; transition: opacity .9s ease; }
.nl-field.is-on { opacity: 1; }

/* ------------------------------------------------------------------ header */
.landing-page .site-header {
  position: sticky; top: 0; z-index: 40;
  padding: 0 max(32px, calc((100vw - 1440px) / 2));
  background: rgba(244, 246, 248, .84);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s var(--nl-ease), box-shadow .3s var(--nl-ease);
}
.landing-page .site-header.is-scrolled { border-bottom-color: var(--nl-line); box-shadow: 0 10px 30px -18px rgba(11, 21, 32, .35); }
.landing-page .site-nav { gap: 26px; }
.landing-page .landing-nav-links { display: flex; gap: 22px; }
.landing-page .landing-nav-links a, .landing-page .landing-login-link { font: 600 12px/1 var(--nl-mono); letter-spacing: .1em; text-transform: uppercase; color: var(--nl-muted); text-decoration: none; padding: 8px 0; position: relative; }
.landing-page .landing-nav-links a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 2px; height: 2px; background: var(--nl-accent); transition: right .25s var(--nl-ease); }
.landing-page .landing-nav-links a:hover { color: var(--nl-ink); }
.landing-page .landing-nav-links a:hover::after { right: 0; }
.landing-page .site-nav .button { background: var(--nl-ink); border-color: var(--nl-ink); color: #fff; box-shadow: none; border-radius: 6px; font-family: var(--nl-sans); }
.landing-page .site-nav .button:hover { background: var(--nl-accent); border-color: var(--nl-accent); transform: none; box-shadow: none; }
.landing-page .brand-mark { background: var(--nl-ink); }
.landing-page .brand-mark i { background: var(--nl-bg); }

/* -------------------------------------------------------------------- hero */
.nl-hero { padding: clamp(40px, 6vw, 88px) 0 clamp(40px, 5vw, 72px); position: relative; overflow: hidden; min-height: min(92vh, 860px); display: flex; align-items: center; }
.nl-hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(48% 60% at 72% 46%, rgba(15, 61, 222, .10), transparent 70%),
    radial-gradient(35% 40% at 92% 85%, rgba(14, 140, 123, .07), transparent 70%);
}
.nl-hero-scene { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; opacity: 0; transition: opacity 1.4s ease .2s; }
.nl-hero-scene.is-live { opacity: 1; }
.nl-hero > .nl-wrap { width: min(1440px, calc(100% - 64px)); }
.nl-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); gap: clamp(32px, 5vw, 80px); align-items: center; }
.nl-eyebrow { display: inline-flex; align-items: center; gap: 10px; font: 600 11px/1 var(--nl-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--nl-muted); }
.nl-led { width: 8px; height: 8px; border-radius: 50%; background: var(--nl-ok); box-shadow: 0 0 0 0 rgba(23, 138, 76, .45); animation: nl-led 2.2s ease-out infinite; }
@keyframes nl-led { 0% { box-shadow: 0 0 0 0 rgba(23, 138, 76, .45); } 70% { box-shadow: 0 0 0 9px rgba(23, 138, 76, 0); } 100% { box-shadow: 0 0 0 0 rgba(23, 138, 76, 0); } }
.nl-hero h1 { font-size: clamp(42px, 5.3vw, 82px); line-height: .98; font-weight: 800; letter-spacing: -.045em; margin: 22px 0 22px; }
.nl-hero h1 em { font-style: normal; color: var(--nl-accent); }
.nl-hero-lead { font-size: clamp(16px, 1.25vw, 19px); line-height: 1.55; color: var(--nl-muted); max-width: 54ch; }
.nl-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.nl-button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 24px; border-radius: 6px; font-weight: 600; font-size: 15px; text-decoration: none; border: 1px solid transparent; transition: transform .2s var(--nl-ease), background .2s, border-color .2s, box-shadow .2s; }
.nl-button-primary { background: var(--nl-ink); color: #fff; border-color: var(--nl-ink); }
.nl-button-primary:hover { background: var(--nl-accent); border-color: var(--nl-accent); transform: translateY(-1px); box-shadow: 0 14px 30px -14px rgba(15, 61, 222, .55); }
.nl-button-primary:focus-visible { outline: 3px solid #fff; outline-offset: -6px; box-shadow: 0 0 0 3px var(--nl-accent); }
.nl-button-secondary { background: var(--nl-surface); color: var(--nl-ink); border-color: var(--nl-line-strong); }
.nl-button-secondary:hover { border-color: var(--nl-ink); transform: translateY(-1px); }
.nl-button-secondary span { transition: transform .2s var(--nl-ease); }
.nl-button-secondary:hover span { transform: translateX(3px); }
.nl a:focus-visible, .nl button:focus-visible, .nl input:focus-visible, .nl summary:focus-visible { outline: 3px solid var(--nl-accent); outline-offset: 3px; }
.nl-hero-facts { list-style: none; margin: 40px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, auto); justify-content: start; gap: 0; }
.nl-hero-facts li { display: grid; gap: 4px; padding: 0 26px 0 0; margin-right: 26px; border-right: 1px solid var(--nl-line); }
.nl-hero-facts li:last-child { border-right: 0; margin-right: 0; padding-right: 0; }
.nl-hero-facts strong { font: 600 26px/1 var(--nl-mono); letter-spacing: -.02em; }
.nl-hero-facts span { font-size: 12px; color: var(--nl-muted); }

/* ------------------------------------------------------------------- bench */
.nl-bench { display: grid; gap: 14px; }
.nl-decode { background: rgba(255, 255, 255, .78); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border: 1px solid rgba(255, 255, 255, .9); box-shadow: 0 1px 0 var(--nl-line); border-radius: 8px; padding: 16px 20px 18px; }
.nl-decode-label { font: 600 10px/1 var(--nl-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--nl-muted); margin-bottom: 14px; }
.nl-decode-number { display: flex; gap: 22px; flex-wrap: wrap; }
.nl-seg { display: grid; gap: 8px; position: relative; }
.nl-seg b { font: 600 clamp(24px, 2.2vw, 34px)/1 var(--nl-mono); letter-spacing: -.02em; white-space: nowrap; }
.nl-seg i { font: 500 11px/1 var(--nl-sans); font-style: normal; color: var(--nl-muted); }
.nl-seg::after { content: ""; height: 3px; border-radius: 2px; transform-origin: left; transform: scaleX(0); animation: nl-draw .7s var(--nl-ease) forwards; }
.nl-seg-cc b { color: var(--nl-cc); } .nl-seg-cc::after { background: var(--nl-cc); animation-delay: .25s; }
.nl-seg-ndc b { color: var(--nl-ndc); } .nl-seg-ndc::after { background: var(--nl-ndc); animation-delay: .6s; }
.nl-seg-sn b { color: var(--nl-sn); } .nl-seg-sn::after { background: var(--nl-sn); animation-delay: .95s; }
@keyframes nl-draw { to { transform: scaleX(1); } }

.nl-demo { background: rgba(255, 255, 255, .86); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); border: 1px solid rgba(255, 255, 255, .95); border-radius: 8px; padding: 22px 22px 20px; display: grid; gap: 14px; box-shadow: 0 1px 0 var(--nl-line), 0 40px 80px -48px rgba(11, 21, 32, .45); }
.nl-demo-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.nl-demo-head h2 { font-size: 22px; font-weight: 800; }
.nl-live-badge { display: inline-flex; align-items: center; gap: 8px; font: 600 10px/1 var(--nl-mono); letter-spacing: .12em; text-transform: uppercase; color: var(--nl-ok); background: var(--nl-ok-soft); padding: 7px 10px; border-radius: 999px; }
.nl-live-badge i { width: 6px; height: 6px; border-radius: 50%; background: var(--nl-ok); }
.nl-demo-label { font: 600 10px/1 var(--nl-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--nl-muted); }
.nl-demo-control { display: grid; grid-template-columns: auto 1fr auto; align-items: stretch; border: 1px solid var(--nl-line-strong); border-radius: 6px; overflow: hidden; transition: border-color .2s, box-shadow .2s; background: var(--nl-surface); }
.nl-demo-control:focus-within { border-color: var(--nl-accent); box-shadow: 0 0 0 4px var(--nl-accent-soft); }
.nl-demo-plus { display: grid; place-items: center; padding: 0 0 0 18px; font: 600 26px/1 var(--nl-mono); color: var(--nl-cc); }
.nl-demo-control input { border: 0; background: transparent; padding: 16px 12px; font: 500 26px/1.1 var(--nl-mono); letter-spacing: .02em; color: var(--nl-ink); min-width: 0; }
.nl-demo-control input::placeholder { color: #b7c1cb; }
.nl-demo-control input:focus-visible { outline-offset: -3px; outline-color: transparent; }
.nl-demo-control button { display: inline-flex; align-items: center; gap: 10px; border: 0; background: var(--nl-ink); color: #fff; padding: 0 22px; font: 600 15px var(--nl-sans); cursor: pointer; transition: background .2s; }
.nl-demo-control button:hover { background: var(--nl-accent); }
.nl-demo-control button:disabled { background: var(--nl-muted); cursor: progress; }
.nl-demo-control button svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; transition: transform .2s var(--nl-ease); }
.nl-demo-control button:hover svg { transform: translateX(3px); }
.nl-demo-meta { display: grid; gap: 6px; }
.nl-demo-live { font: 500 13px/1.4 var(--nl-sans); color: var(--nl-muted); min-height: 18px; display: flex; align-items: center; gap: 8px; }
.nl-demo-live[data-state="found"] { color: var(--nl-ink); }
.nl-demo-live[data-state="found"]::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: var(--nl-cc); }
#nl-demo-hint { font-size: 12px; color: var(--nl-muted); }
.nl-demo-status { font-size: 13px; color: var(--nl-muted); min-height: 1.2em; }
.nl-demo-status[data-kind="error"] { color: var(--nl-bad); }
.nl-demo-status[data-kind="success"] { color: var(--nl-ok); }
.nl-demo[aria-busy="true"] .nl-live-badge i { animation: nl-blink .6s steps(2) infinite; }
@keyframes nl-blink { to { opacity: .2; } }

.nl-ticket { position: relative; border-top: 2px dashed var(--nl-line-strong); padding-top: 16px; display: grid; gap: 10px; }
.nl-ticket-head { display: flex; justify-content: space-between; align-items: baseline; }
.nl-ticket-head h3 { font: 600 11px/1 var(--nl-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--nl-muted); }
.nl-ticket-head code { background: var(--nl-ok-soft); color: var(--nl-ok); }
.nl-ticket dl { margin: 0; display: grid; gap: 0; }
.nl-ticket dl > div { display: grid; grid-template-columns: 150px 1fr; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--nl-line); animation: nl-print .35s var(--nl-ease) both; }
.nl-ticket dl > div:nth-child(2) { animation-delay: .08s; } .nl-ticket dl > div:nth-child(3) { animation-delay: .16s; }
.nl-ticket dl > div:nth-child(4) { animation-delay: .24s; } .nl-ticket dl > div:nth-child(5) { animation-delay: .32s; }
@keyframes nl-print { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.nl-ticket dt { font: 400 13px var(--nl-mono); color: var(--nl-muted); }
.nl-ticket dd { margin: 0; font: 600 15px var(--nl-sans); overflow-wrap: anywhere; }
.nl-stamp { position: absolute; right: 6px; top: 46px; transform: rotate(-8deg) scale(.6); opacity: 0; font: 600 12px/1 var(--nl-mono); letter-spacing: .14em; text-transform: uppercase; padding: 8px 12px; border: 3px solid currentColor; border-radius: 6px; color: var(--nl-muted); transition: transform .35s var(--nl-ease), opacity .35s; }
.nl-stamp.is-in { opacity: 1; transform: rotate(-8deg) scale(1); }
.nl-stamp[data-valid="true"] { color: var(--nl-ok); }
.nl-stamp[data-valid="false"] { color: var(--nl-bad); }

/* -------------------------------------------------------------------- tape */
.nl-tape { border-top: 1px solid var(--nl-line); border-bottom: 1px solid var(--nl-line); background: var(--nl-surface); overflow: hidden; position: relative; z-index: 1; }
.nl-tape-track { display: flex; width: max-content; animation: nl-marquee 70s linear infinite; }
.nl-tape:hover .nl-tape-track { animation-play-state: paused; }
.nl-tape-row { list-style: none; margin: 0; padding: 0; display: flex; }
.nl-tape-row li { display: flex; align-items: baseline; gap: 10px; padding: 16px 28px; border-right: 1px solid var(--nl-line); white-space: nowrap; font-size: 13px; color: var(--nl-muted); }
.nl-tape-row b { font: 600 15px var(--nl-mono); color: var(--nl-accent); }
@keyframes nl-marquee { to { transform: translateX(-50%); } }
.nl-tape-track:not(.is-doubled) { animation: none; }

/* -------------------------------------------------------------------- flow */
.nl-flow { padding: clamp(56px, 7vw, 100px) 0; }
.nl-flow-diagram { position: relative; margin-top: 44px; }
.nl-flow-line { display: block; width: 100%; height: 120px; }
.nl-flow-path-bg { fill: none; stroke: var(--nl-line); stroke-width: 2; }
.nl-flow-path { fill: none; stroke: var(--nl-accent); stroke-width: 2.5; stroke-dasharray: 1200; stroke-dashoffset: 1200; transition: stroke-dashoffset 1.8s var(--nl-ease); }
.nl-flow-packet { fill: var(--nl-accent); opacity: 0; }
.nl-flow-diagram.is-active .nl-flow-path { stroke-dashoffset: 0; }
.nl-flow-diagram.is-active .nl-flow-packet { opacity: 1; animation: nl-packet 3.2s var(--nl-ease) .3s infinite; }
@keyframes nl-packet { 0% { cx: 40; opacity: 0; } 8% { opacity: 1; } 92% { opacity: 1; } 100% { cx: 1160; opacity: 0; } }
.nl-flow-steps { list-style: none; margin: -60px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; counter-reset: step; }
.nl-flow-steps li { display: grid; gap: 10px; align-content: start; padding-top: 34px; position: relative; counter-increment: step; }
.nl-flow-dot { position: absolute; top: 0; left: 0; width: 24px; height: 24px; border-radius: 50%; background: var(--nl-surface); border: 2px solid var(--nl-line-strong); transition: border-color .4s, background .4s, box-shadow .4s; }
.nl-flow-dot::after { content: counter(step); position: absolute; inset: 0; display: grid; place-items: center; font: 600 11px var(--nl-mono); color: var(--nl-muted); }
.nl-flow-diagram.is-active .nl-flow-dot { border-color: var(--nl-accent); box-shadow: 0 0 0 5px var(--nl-accent-soft); }
.nl-flow-diagram.is-active li:nth-child(2) .nl-flow-dot { transition-delay: .5s; }
.nl-flow-diagram.is-active li:nth-child(3) .nl-flow-dot { transition-delay: 1s; }
.nl-flow-steps b { font-size: 18px; font-weight: 800; letter-spacing: -.02em; }
.nl-flow-steps p { color: var(--nl-muted); line-height: 1.5; font-size: 15px; }
.nl-flow-steps > li > code { justify-self: start; font-size: 12px; }

/* -------------------------------------------------------------------- uses */
.nl-uses { padding: clamp(56px, 7vw, 100px) 0; }
.nl-ledger { margin-top: 44px; border-top: 1px solid var(--nl-line-strong); }
.nl-ledger-row { display: grid; grid-template-columns: 140px minmax(0, 1.15fr) minmax(0, .85fr); gap: 32px; align-items: center; padding: 30px 20px; margin: 0 -20px; border-bottom: 1px solid var(--nl-line); border-radius: 10px; transition: background .25s; }
.nl-ledger-row:hover { background: rgba(255, 255, 255, .85); }
.nl-ledger-tag { justify-self: start; font: 600 11px/1 var(--nl-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--nl-accent-ink); background: var(--nl-accent-soft); padding: 8px 10px; border-radius: 4px; }
.nl-ledger-text { display: grid; gap: 8px; }
.nl-ledger-text h3 { font-size: 24px; font-weight: 800; }
.nl-ledger-text p { color: var(--nl-muted); line-height: 1.5; max-width: 52ch; }
.nl-ledger-visual { background: rgba(255, 255, 255, .92); border: 1px solid var(--nl-line); border-radius: 8px; padding: 16px 18px; font-family: var(--nl-mono); font-size: 13px; transition: transform .3s var(--nl-ease), box-shadow .3s var(--nl-ease); will-change: transform; }
.nl-tilt { transition: transform .3s var(--nl-ease), box-shadow .3s var(--nl-ease), background .25s; will-change: transform; transform-style: preserve-3d; }
.nl-tilt.is-tilting { box-shadow: 0 30px 60px -38px rgba(11, 21, 32, .45); }
.nl-vis-form { display: grid; gap: 8px; }
.nl-vis-form > span { font-size: 11px; color: var(--nl-muted); letter-spacing: .06em; text-transform: uppercase; }
.nl-vis-form > div { display: flex; justify-content: space-between; align-items: center; border: 1px solid var(--nl-line-strong); border-radius: 4px; padding: 10px 12px; }
.nl-vis-form b { font-weight: 600; font-size: 16px; }
.nl-vis-form i { font-style: normal; color: var(--nl-ok); font-weight: 600; }
.nl-vis-form small { color: var(--nl-muted); }
.nl-vis-list { display: grid; gap: 8px; }
.nl-vis-list span { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px dashed var(--nl-line); padding-bottom: 6px; }
.nl-vis-list span:last-child { border-bottom: 0; padding-bottom: 0; }
.nl-vis-list i { font-style: normal; color: var(--nl-muted); }
.nl-vis-list .is-bad b { color: var(--nl-bad); text-decoration: line-through; }
.nl-vis-list .is-bad i { color: var(--nl-bad); }
.nl-vis-route { display: flex; align-items: center; gap: 12px; justify-content: center; }
.nl-vis-route span { border: 1px solid var(--nl-line-strong); padding: 10px 14px; border-radius: 4px; font-weight: 600; }
.nl-vis-route span:nth-child(3) { background: var(--nl-ink); color: #fff; border-color: var(--nl-ink); }
.nl-vis-route i { flex: 1; height: 2px; background: linear-gradient(90deg, var(--nl-line-strong), var(--nl-accent)); position: relative; }
.nl-vis-route i::after { content: ""; position: absolute; right: -1px; top: -4px; width: 10px; height: 10px; border-radius: 50%; background: var(--nl-accent); animation: nl-route-dot 1.6s ease-in-out infinite; }
@keyframes nl-route-dot { 0%, 100% { transform: translateX(-6px); opacity: .4; } 50% { transform: none; opacity: 1; } }

/* ---------------------------------------------------------------- coverage */
.nl-coverage { padding: clamp(56px, 7vw, 100px) 0; background: rgba(255, 255, 255, .74); }
.nl-coverage-head { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 40px; align-items: end; }
.nl-coverage-lead { color: var(--nl-muted); font-size: 17px; line-height: 1.55; max-width: 52ch; }
.nl-board { margin-top: 44px; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1px; background: var(--nl-line); border: 1px solid var(--nl-line); }
.nl-board-region { background: rgba(255, 255, 255, .9); padding: 18px 16px 20px; display: grid; gap: 14px; align-content: start; }
.nl-board-region h3 { font: 600 11px/1 var(--nl-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--nl-muted); }
.nl-board-region ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.nl-board-region li { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; font: 600 14px var(--nl-mono); color: var(--nl-ink); padding: 7px 10px; border: 1px solid var(--nl-line); border-radius: 4px; background: var(--nl-bg); transition: background .3s, border-color .3s, color .3s, transform .3s var(--nl-ease); }
.nl-board-region li i { font: 400 12px var(--nl-sans); font-style: normal; color: var(--nl-muted); text-align: right; }
.nl-js .nl-board:not(.is-active) li { opacity: .35; }
.nl-js .nl-board li { transition-delay: calc(var(--i, 0) * 28ms); transition-property: opacity, background, border-color, transform; transition-duration: .5s; }
.nl-board.is-active li { opacity: 1; }
.nl-board li:hover { background: var(--nl-accent-soft); border-color: var(--nl-accent); color: var(--nl-accent-ink); transform: translateY(-1px); }
.nl-coverage-notes { list-style: none; margin: 36px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.nl-coverage-notes li { padding-top: 14px; border-top: 2px solid var(--nl-ink); color: var(--nl-muted); line-height: 1.5; font-size: 15px; }
.nl-coverage-notes strong { color: var(--nl-ink); display: block; margin-bottom: 4px; }
.nl-caveat { margin-top: 26px; font-size: 13px; color: var(--nl-muted); max-width: 70ch; }

/* --------------------------------------------------------------------- api */
.nl-api { padding: clamp(56px, 7vw, 100px) 0; }
.nl-api-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 48px; align-items: start; }
.nl-api-copy { display: grid; gap: 18px; position: sticky; top: 100px; }
.nl-api-copy h2 { font-size: clamp(30px, 3.4vw, 46px); line-height: 1.04; font-weight: 800; }
.nl-api-copy p { color: var(--nl-muted); font-size: 17px; line-height: 1.55; }
.nl-text-link { color: var(--nl-accent-ink); font-weight: 600; text-decoration: none; display: inline-flex; gap: 8px; align-items: center; }
.nl-text-link:hover { text-decoration: underline; }
.nl-code-card { background: rgba(255, 255, 255, .94); border: 1px solid var(--nl-line); border-radius: 8px; overflow: hidden; }
.nl-code-bar { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--nl-line); font-family: var(--nl-mono); font-size: 13px; }
.nl-code-bar b { font-weight: 600; }
.nl-code-bar em { font-style: normal; color: var(--nl-ok); background: var(--nl-ok-soft); padding: 4px 8px; border-radius: 4px; font-size: 11px; }
.nl-code-tabs { display: flex; gap: 0; border-bottom: 1px solid var(--nl-line); padding: 0 8px; }
.nl-code-tabs button { border: 0; background: none; padding: 12px 14px; font: 600 12px var(--nl-mono); letter-spacing: .06em; color: var(--nl-muted); cursor: pointer; position: relative; }
.nl-code-tabs button[aria-selected="true"] { color: var(--nl-ink); }
.nl-code-tabs button[aria-selected="true"]::after { content: ""; position: absolute; left: 10px; right: 10px; bottom: -1px; height: 2px; background: var(--nl-accent); }
.nl-code-panel { position: relative; }
.nl-code-panel pre { margin: 0; padding: 22px 20px; overflow-x: auto; font-size: 13.5px; line-height: 1.6; }
.nl-code-panel pre code { background: none; color: var(--nl-ink); padding: 0; font-size: inherit; }
.nl-copy-button { position: absolute; top: 12px; right: 12px; border: 1px solid var(--nl-line-strong); background: var(--nl-surface); border-radius: 4px; padding: 6px 10px; font: 600 11px var(--nl-mono); cursor: pointer; color: var(--nl-muted); }
.nl-copy-button:hover { color: var(--nl-ink); border-color: var(--nl-ink); }
.nl-code-foot { display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: center; padding: 12px 18px; border-top: 1px solid var(--nl-line); background: var(--nl-bg); }
.nl-code-foot span { font: 600 10px/1 var(--nl-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--nl-muted); }
.nl-code-foot code { display: block; min-width: 0; background: none; color: var(--nl-ink); padding: 2px 0; font-size: 12px; white-space: nowrap; overflow-x: auto; }
.nl-code-card, .nl-api-grid > * { min-width: 0; }

/* ----------------------------------------------------------------- pricing */
.landing-page .pricing-section { width: min(1440px, calc(100% - 64px)); margin: 0 auto; padding: clamp(56px, 7vw, 100px) 0; }
.landing-page .pricing-section .section-index { display: none; }
.landing-page .pricing-heading { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 32px; align-items: start; }
.landing-page .pricing-kicker { font: 600 11px/1 var(--nl-mono); letter-spacing: .16em; text-transform: uppercase; color: var(--nl-muted); display: flex; align-items: center; gap: 10px; }
.landing-page .pricing-kicker::before { content: ""; width: 22px; height: 1px; background: var(--nl-line-strong); }
.landing-page .pricing-heading h2 { font-size: clamp(30px, 3.4vw, 46px); line-height: 1.04; font-weight: 800; margin: 0 0 14px; }
.landing-page .pricing-heading p { color: var(--nl-muted); font-size: 17px; line-height: 1.55; max-width: 60ch; }
.landing-page .free-plan-note { margin-top: 10px; }
.landing-page .free-plan-note strong { color: var(--nl-ink); }
.landing-page .pricing-grid { margin-top: 40px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--nl-line); border: 1px solid var(--nl-line); }
.landing-page .price-card { background: rgba(255, 255, 255, .92); padding: 26px 24px; display: grid; gap: 22px; align-content: space-between; transition: background .25s; }
.landing-page .price-card:hover { background: var(--nl-accent-soft); }
.landing-page .price-card-top { display: flex; align-items: baseline; gap: 8px; }
.landing-page .price-card-top span { font: 600 clamp(24px, 2.2vw, 32px)/1 var(--nl-mono); letter-spacing: -.02em; white-space: nowrap; }
.landing-page .price-card-top small { font-size: 12px; color: var(--nl-muted); }
.landing-page .price-card-value { display: grid; gap: 4px; }
.landing-page .price-card-value strong { font-size: 22px; font-weight: 800; }
.landing-page .price-card-value span { font: 400 12px var(--nl-mono); color: var(--nl-muted); }
.landing-page .price-card-saving { justify-self: start; font: 600 11px var(--nl-mono); font-style: normal; color: var(--nl-ok); background: var(--nl-ok-soft); padding: 4px 8px; border-radius: 4px; margin-top: 4px; }
.landing-page .price-card-button { background: var(--nl-ink); border-color: var(--nl-ink); color: #fff; box-shadow: none; border-radius: 6px; min-height: 46px; font-family: var(--nl-sans); }
.landing-page .price-card-button:hover { background: var(--nl-accent); border-color: var(--nl-accent); transform: none; box-shadow: none; }
.landing-page .pricing-empty { color: var(--nl-muted); padding: 24px; background: var(--nl-surface); }

/* --------------------------------------------------------------------- faq */
.nl-faq { padding: clamp(56px, 7vw, 100px) 0; }
.nl-faq-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 48px; align-items: start; }
.nl-faq-list { border-top: 1px solid var(--nl-line-strong); }
.nl-faq-list details { border-bottom: 1px solid var(--nl-line); background: rgba(255, 255, 255, .55); }
.nl-faq-list summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 20px 0; font-size: 18px; font-weight: 700; letter-spacing: -.01em; }
.nl-faq-list summary::-webkit-details-marker { display: none; }
.nl-faq-list summary span { flex: none; width: 28px; height: 28px; border: 1px solid var(--nl-line-strong); border-radius: 50%; position: relative; transition: transform .3s var(--nl-ease), background .3s; }
.nl-faq-list summary span::before, .nl-faq-list summary span::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 2px; background: var(--nl-ink); transform: translate(-50%, -50%); }
.nl-faq-list summary span::after { transform: translate(-50%, -50%) rotate(90deg); transition: transform .3s var(--nl-ease); }
.nl-faq-list details[open] summary span { background: var(--nl-ink); }
.nl-faq-list details[open] summary span::before, .nl-faq-list details[open] summary span::after { background: #fff; }
.nl-faq-list details[open] summary span::after { transform: translate(-50%, -50%) rotate(0deg); }
.nl-faq-list p { padding: 0 60px 20px 0; color: var(--nl-muted); line-height: 1.55; max-width: 64ch; }

/* ----------------------------------------------------------------- contact */
.nl-contact { padding: clamp(56px, 7vw, 100px) 0; background: rgba(255, 255, 255, .74); }
.nl-contact-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 48px; align-items: start; }
.nl-contact-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--nl-line); border: 1px solid var(--nl-line); }
.nl-contact-list a { background: var(--nl-surface); padding: 22px 20px; text-decoration: none; color: inherit; display: grid; gap: 8px; position: relative; transition: background .25s; }
.nl-contact-list a:hover { background: var(--nl-accent-soft); }
.nl-contact-list span { font: 600 10px/1 var(--nl-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--nl-muted); }
.nl-contact-list strong { font-size: 18px; font-weight: 700; }
.nl-contact-list i { position: absolute; right: 18px; top: 18px; font-style: normal; color: var(--nl-accent); transition: transform .2s var(--nl-ease); }
.nl-contact-list a:hover i { transform: translate(3px, -3px); }

/* ------------------------------------------------------------------- final */
.nl-final { padding: clamp(56px, 7vw, 100px) 0 clamp(64px, 8vw, 120px); background: var(--nl-ink); color: #fff; position: relative; overflow: hidden; }
.nl-final-wave { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.nl-final > .nl-wrap { position: relative; z-index: 1; }
.nl-final .nl-section-label { color: rgba(255, 255, 255, .6); }
.nl-final .nl-section-label::before { background: rgba(255, 255, 255, .35); }
.nl-final-panel { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 48px; align-items: center; }
.nl-final h2 { font-size: clamp(32px, 4vw, 56px); line-height: 1; font-weight: 800; margin: 18px 0 16px; letter-spacing: -.04em; }
.nl-final p { color: rgba(255, 255, 255, .72); font-size: 17px; line-height: 1.55; max-width: 52ch; }
.nl-final .nl-button-primary { background: #fff; color: var(--nl-ink); border-color: #fff; }
.nl-final .nl-button-primary:hover { background: var(--nl-accent-soft); border-color: var(--nl-accent-soft); }
.nl-final .nl-button-secondary { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .35); }
.nl-final .nl-button-secondary:hover { border-color: #fff; }
.nl-final-terms { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .12); }
.nl-final-terms li { background: var(--nl-ink); padding: 22px 18px; display: grid; gap: 6px; }
.nl-final-terms li.is-promo { background: #f5a524; }
.nl-final-terms li.is-promo b { color: var(--nl-ink); }
.nl-final-terms li.is-promo span { color: rgba(11, 21, 32, .72); }
.nl-final-terms b { font: 600 30px/1 var(--nl-mono); }
.nl-final-terms span { font-size: 12px; color: rgba(255, 255, 255, .6); }
.landing-page .site-footer { border-top: 0; font-size: 15px; }

/* ------------------------------------------------------------------ reveal */
.nl-js .nl-reveal { opacity: 0; transform: translateY(16px); transition: opacity .7s var(--nl-ease), transform .7s var(--nl-ease); }
.nl-js .nl-reveal.is-in { opacity: 1; transform: none; }

/* -------------------------------------------------------------- responsive */
@media (max-width: 1100px) {
  .nl-hero-grid { grid-template-columns: 1fr; }
  .nl-hero-facts { grid-template-columns: repeat(2, auto); row-gap: 18px; }
  .nl-hero-facts li:nth-child(2) { border-right: 0; }
  .nl-board { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .landing-page .pricing-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nl-hero { min-height: 0; display: block; }
  .nl-api-grid, .nl-faq-grid, .nl-contact-grid, .nl-final-panel, .nl-coverage-head { grid-template-columns: 1fr; }
  .nl-api-copy { position: static; }
  .nl-ledger-row { grid-template-columns: 110px minmax(0, 1fr); }
  .nl-ledger-visual { grid-column: 2; }
}
@media (max-width: 720px) {
  .nl-wrap, .landing-page .pricing-section { width: min(100% - 32px, 1440px); }
  .landing-page .site-header { padding: 0 16px; }
  .landing-page .site-header { flex-wrap: wrap; row-gap: 0; padding-bottom: 0; }
  .landing-page .site-nav { display: contents; }
  .landing-page .landing-nav-links { order: 3; flex: 1 0 100%; display: flex; gap: 18px; overflow-x: auto; padding: 8px 0 10px; margin-top: 2px; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
  .landing-page .landing-nav-links::-webkit-scrollbar { display: none; }
  .landing-page .landing-nav-links a { white-space: nowrap; }
  .landing-page .landing-login-link { margin-left: auto; margin-right: 16px; }
  .landing-page .site-nav .button { display: inline-flex; min-height: 38px; padding: 0 14px; font-size: 12px; }
  .nl-hero h1 { font-size: clamp(34px, 9.5vw, 46px); }
  .nl-hero-facts { grid-template-columns: 1fr 1fr; }
  .nl-hero-facts li { padding-right: 14px; margin-right: 14px; }
  .nl-decode-number { gap: 14px; }
  .nl-demo { padding: 18px 16px 16px; }
  .nl-demo-control { grid-template-columns: auto 1fr; }
  .nl-demo-control input { font-size: 22px; padding: 14px 10px; }
  .nl-demo-control button { grid-column: 1 / -1; justify-content: center; padding: 14px; }
  .nl-demo-control button svg { display: none; }
  .nl-ticket dl > div { grid-template-columns: 1fr; gap: 2px; }
  .nl-stamp { position: static; justify-self: start; transform: rotate(-4deg) scale(1); }
  .nl-flow-line { display: none; }
  .nl-flow-steps { margin-top: 0; grid-template-columns: 1fr; }
  .nl-ledger-row { grid-template-columns: 1fr; gap: 14px; padding: 22px 0; margin: 0; border-radius: 0; }
  .nl-ledger-row:hover { background: transparent; }
  .nl-ledger-visual { grid-column: auto; }
  .nl-board { grid-template-columns: 1fr 1fr; }
  .nl-coverage-notes, .nl-contact-list, .nl-final-terms { grid-template-columns: 1fr; }
  .landing-page .pricing-heading { grid-template-columns: 1fr; gap: 14px; }
  .landing-page .pricing-grid { grid-template-columns: 1fr; }
  .nl-faq-list summary { font-size: 16px; }
  .nl-faq-list p { padding-right: 0; }
  .nl-tape-row li { padding: 12px 18px; }
}
/* The OS "reduce motion" flag is on by default on many Windows machines (animation
   effects off "for performance"), so it only calms the page: slower tape, instant
   reveals, no parallax. */
@media (prefers-reduced-motion: reduce) {
  .nl-tape-track { animation-duration: 170s; }
  .nl-js .nl-reveal { opacity: 1; transform: none; transition: none; }
  .nl-vis-route i::after { animation: none; }
  .nl-seg::after { animation-duration: .01s; }
  .nl-tilt { transition: none; }
}