:root {
  --ink: #0a1b2c;
  --ink-soft: #162b3e;
  --steel: #4d6477;
  --subtle: #697c8a;
  --paper: #f1f5f7;
  --white: #fff;
  --line: #dce5e9;
  --sky: #91cbed;
  --copper: #e0a66b;
  --copper-pale: #f5d7b8;
  --display: "Bahnschrift", "Arial Narrow", "Segoe UI", sans-serif;
  --body: "Segoe UI", "Noto Sans", Arial, sans-serif;
  --mono: "Cascadia Code", "Consolas", "Courier New", monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--body); font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible { outline: 3px solid var(--copper); outline-offset: 4px; }
::selection { background: var(--copper); color: var(--ink); }
.shell { width: min(1280px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 99; left: 20px; top: -80px; background: var(--white); color: var(--ink); padding: 12px 20px; }
.skip-link:focus { top: 12px; }
.topline { height: 5px; background: linear-gradient(90deg, var(--copper) 0%, var(--copper) 20%, var(--sky) 20%, var(--sky) 28%, var(--ink) 28%, var(--ink) 100%); }

.site-header { position: relative; z-index: 10; background: var(--white); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; min-height: 90px; gap: 30px; }
.brand { display: inline-flex; gap: 13px; align-items: center; flex: 0 0 auto; }
.brand-mark { height: 45px; width: 45px; position: relative; background: var(--ink); display: grid; place-items: center; overflow: hidden; border-radius: 4px; }
.brand-mark span { z-index: 1; color: var(--white); font-family: var(--display); font-size: 33px; font-weight: 900; line-height: 1; letter-spacing: -.12em; margin-right: 5px; }
.brand-mark i { position: absolute; background: var(--copper); width: 24px; height: 7px; transform: rotate(-45deg); right: -9px; top: 7px; }
.brand-name { font-family: var(--display); font-size: 22px; font-weight: 800; letter-spacing: -.055em; line-height: 1; }
.brand-name > span { color: #b67b40; padding-left: 3px; }
.brand-name small { display: block; font-family: var(--mono); font-size: 9px; font-weight: 400; letter-spacing: .1em; text-transform: uppercase; color: var(--subtle); margin-top: 7px; }
.desktop-nav { margin: 0 auto; display: flex; gap: clamp(14px, 2vw, 30px); align-items: center; }
.desktop-nav a { color: #3b5161; font-size: 13px; font-weight: 650; transition: color .2s; white-space: nowrap; }
.desktop-nav a:hover { color: #b67b40; }
.header-actions { display: flex; align-items: center; gap: 14px; }
.lang-switch { font-family: var(--mono); font-size: 12px; font-weight: 700; border: 1px solid var(--line); background: transparent; color: var(--ink); padding: 10px 12px; cursor: pointer; }
.lang-switch:hover { border-color: var(--copper); }
.lang-switch span { margin-left: 5px; color: #9a6c3c; }
.header-contact { background: var(--ink); color: var(--white); font-size: 12px; font-weight: 700; padding: 13px 17px; white-space: nowrap; transition: background .2s; }
.header-contact:hover { background: var(--ink-soft); }

.hero { overflow: hidden; position: relative; background: var(--ink); color: var(--white); }
.hero-grid { pointer-events: none; position: absolute; inset: 0; background-image: linear-gradient(rgba(149, 197, 222, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(149, 197, 222, .04) 1px, transparent 1px); background-size: 58px 58px; mask-image: linear-gradient(90deg, transparent 0%, black 48%, black 100%); }
.hero-layout { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(460px, 1fr); align-items: center; gap: clamp(44px, 5vw, 90px); padding-block: 112px 96px; }
.hero-copy { max-width: 590px; }
.eyebrow { font-family: var(--mono); font-size: 10px; letter-spacing: .10em; text-transform: uppercase; color: #c2d6e2; display: flex; align-items: center; gap: 10px; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--copper); box-shadow: 0 0 0 4px rgba(224, 166, 107, .1); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--display); }
h1 { font-size: clamp(48px, 5vw, 80px); font-weight: 800; line-height: 1.075; letter-spacing: -.054em; margin: 27px 0 24px; }
h1 em { color: var(--copper-pale); font-style: normal; }
.hero-lead { font-size: 17px; line-height: 1.85; max-width: 520px; color: #b3c7d3; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 13px; margin-top: 34px; }
.btn { display: inline-flex; align-items: center; justify-content: space-between; gap: 30px; font-size: 13px; font-weight: 700; min-height: 52px; padding: 13px 21px; transition: transform .2s, background .2s, border-color .2s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--copper); color: var(--ink); }
.btn-primary:hover { background: #f0bc85; }
.btn-ghost { background: transparent; border: 1px solid #426073; color: #dcecf5; }
.btn-ghost:hover { border-color: var(--sky); }
.hero-facts { border-top: 1px solid rgba(193, 219, 230, .16); display: flex; gap: 27px; margin-top: 64px; padding-top: 24px; }
.hero-facts > div { display: grid; gap: 3px; flex: 1 1 0; }
.hero-facts > div + div { border-left: 1px solid rgba(193, 219, 230, .16); padding-left: 24px; }
.fact-number { color: var(--white); font-family: var(--mono); font-weight: 700; font-size: 15px; }
.hero-facts div span:last-child { color: #98acbb; font-size: 11px; }
.hero-bottom { position: relative; display: flex; align-items: center; gap: 15px; color: #829aaa; font: 10px var(--mono); letter-spacing: .15em; padding: 22px 0; border-top: 1px solid #274053; }
.hero-bottom span:nth-child(2) { color: var(--copper); }

.hero-visual { width: 100%; background: linear-gradient(145deg, #142d40 0%, #0b2031 100%); border: 1px solid #3d5a6b; box-shadow: 25px 25px 0 rgba(114, 165, 193, .055), 0 40px 100px #071420; }
.visual-head, .visual-footer { padding: 16px 20px; display: flex; justify-content: space-between; gap: 10px; font: 10px var(--mono); letter-spacing: .06em; color: #a6bfce; }
.visual-head { border-bottom: 1px solid #314e5f; }
.visual-head > span:first-child { color: var(--copper-pale); }
.live-pixel { background: var(--copper); display: inline-block; width: 5px; height: 5px; margin-right: 8px; vertical-align: 2px; }
.board { position: relative; min-height: 410px; margin: 10px; background: radial-gradient(circle at center, rgba(120, 183, 217, .12), transparent 52%), linear-gradient(transparent 23px, rgba(130, 184, 218, .05) 24px), linear-gradient(90deg, transparent 23px, rgba(130, 184, 218, .05) 24px); background-size: auto, 24px 24px, 24px 24px; border: 1px solid #253e50; }
.board-lines { position: absolute; inset: 1% 0 0; width: 100%; height: 95%; overflow: visible; }
.board-lines path { fill: none; stroke: #729eb5; stroke-width: 1.3; stroke-linecap: round; }
.board-lines path.dashed { stroke: #8b6947; stroke-dasharray: 4 8; }
.board-lines circle { fill: var(--copper); }
.diagram-node { position: absolute; z-index: 2; width: 210px; left: 50%; transform: translateX(-50%); padding: 13px 17px; border: 1px solid #55768a; background: #102b3f; display: grid; text-align: center; box-shadow: 0 10px 40px rgba(0, 0, 0, .23); }
.node-input { top: 28px; }
.node-output { bottom: 28px; }
.node-index, .node-detail { font: 9px var(--mono); letter-spacing: .08em; color: #99b6c7; }
.node-index { color: var(--copper); }
.diagram-node strong { font-size: 14px; padding: 5px 0; font-weight: 600; }
.diagram-core { position: absolute; z-index: 2; inset: 0; margin: auto; width: 140px; height: 140px; display: grid; align-content: center; justify-items: center; background: radial-gradient(circle, rgba(145, 203, 237, .08), transparent 65%); }
.core-orbit { border: 1px dashed #91cbed; height: 102px; width: 102px; border-radius: 50%; display: grid; place-items: center; position: relative; }
.core-orbit::before, .core-orbit::after { content: ""; position: absolute; width: 12px; height: 12px; border-radius: 50%; background: var(--copper); border: 4px solid var(--ink-soft); }
.core-orbit::before { left: -4px; top: 14px; }
.core-orbit::after { bottom: 3px; right: 1px; }
.core-letter { color: var(--white); font: 700 56px var(--display); }
.diagram-core small { font: 9px var(--mono); color: #9fbccc; margin-top: 9px; }
.board-coordinates { position: absolute; inset: auto 14px 8px; display: flex; justify-content: space-between; color: #5b869f; font: 8px var(--mono); letter-spacing: .1em; }
.visual-footer { border-top: 1px solid #314e5f; align-items: center; font-size: 9px; line-height: 1.5; }
.sparkline { display: inline-flex; height: 14px; align-items: end; gap: 3px; flex-shrink: 0; }
.sparkline i { display: block; width: 3px; background: var(--copper); height: 40%; }
.sparkline i:nth-child(2), .sparkline i:nth-child(6) { height: 90%; }
.sparkline i:nth-child(3) { height: 60%; }
.sparkline i:nth-child(4) { height: 30%; }
.sparkline i:nth-child(5) { height: 70%; }

.section { padding-block: 110px; }
.section-label { display: flex; align-items: center; gap: 13px; font: 700 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: #5a7182; margin-bottom: 28px; }
.section-label > span:first-child { padding: 6px 9px; background: var(--ink); color: var(--copper-pale); }
.section h2, .contact-section h2 { font-size: clamp(36px, 3.7vw, 58px); line-height: 1.13; letter-spacing: -.045em; font-weight: 760; margin: 0; }
.section h2 span { color: #61798b; }
.approach-section { background: var(--white); }
.split-section { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; }
.approach-body { border-left: 2px solid var(--copper); padding-left: 35px; }
.approach-body > p { color: #506575; font-size: 17px; line-height: 1.9; }
.principles { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 24px; }
.principles span { font: 11px var(--mono); background: #ebf0f2; padding: 9px 12px; color: #40586b; }
.solutions-section { background: #edf2f5; }
.section-header { display: flex; align-items: end; justify-content: space-between; gap: 55px; margin-bottom: 44px; }
.section-header > p { max-width: 340px; color: #647987; font-size: 13px; margin-bottom: 3px; }
.solution-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.solution-card { background: var(--white); min-height: 390px; padding: 29px; display: flex; flex-direction: column; border: 1px solid var(--line); transition: transform .2s, box-shadow .2s; }
.solution-card.selected { border-top: 4px solid var(--copper); padding-top: 26px; }
.solution-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(24, 55, 70, .08); }
.solution-top { display: flex; justify-content: space-between; align-items: start; gap: 10px; }
.solution-icon { font: 19px var(--mono); color: #b07b48; }
.tag { background: #edf2f5; font: 9px var(--mono); letter-spacing: .04em; color: #59717e; padding: 7px 8px; }
.tag-warm { background: #f8ecd8; color: #96612b; }
.solution-card h3 { margin: 55px 0 16px; font-size: clamp(25px, 2.1vw, 33px); line-height: 1.1; letter-spacing: -.04em; }
.solution-card p { font-size: 14px; color: #607280; line-height: 1.85; }
.card-footer { border-top: 1px solid var(--line); display: flex; justify-content: space-between; margin-top: auto; padding-top: 16px; color: #708796; font: 10px var(--mono); letter-spacing: .06em; }
.card-footer span:last-child { color: #b17840; font-size: 19px; }

.demo-section { background: var(--ink-soft); color: var(--white); }
.demo-layout { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 6fr); gap: clamp(40px, 7vw, 100px); align-items: center; }
.demo-intro h2 span { color: var(--sky); }
.demo-intro > p { margin-top: 25px; color: #b3cbd8; font-size: 16px; line-height: 1.85; }
.demo-intro .section-label { color: #bdd3df; }
.demo-intro .section-label > span:first-child { background: var(--copper); color: var(--ink); }
.demo-warning { display: flex; gap: 12px; border-top: 1px solid #476073; padding-top: 20px; color: #e8cba9; margin-top: 38px; font: 11px/1.75 var(--mono); }
.warning-icon { border: 1px solid #bb9569; border-radius: 50%; width: 19px; height: 19px; display: grid; place-items: center; flex: 0 0 19px; font-size: 12px; }
.demo-console { border: 1px solid #688499; background: #0e2436; box-shadow: 20px 20px 0 rgba(5, 19, 32, .24); }
.console-toolbar { border-bottom: 1px solid #304b5e; display: flex; gap: 12px; align-items: center; padding: 15px 20px; font: 11px var(--mono); color: #a3c0d2; }
.console-led { width: 7px; height: 7px; border-radius: 50%; background: var(--copper); }
.console-badge { margin-left: auto; color: #b6d5c5; background: #1c443b; padding: 4px 7px; font-size: 9px; }
.console-content { padding: clamp(18px, 3vw, 31px); }
.console-caption { color: var(--sky); font: 10px var(--mono); letter-spacing: .09em; margin-bottom: 17px; }
.example-picks { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 27px; }
.sample-button { color: #bbd1dd; border: 1px solid #3a596c; background: transparent; font-size: 11px; line-height: 1.4; cursor: pointer; padding: 10px 12px; transition: background .15s, border-color .15s; }
.sample-button:hover { border-color: var(--sky); }
.sample-button.active { color: #111e27; background: var(--copper); border-color: var(--copper); font-weight: 700; }
.demo-result { background: #163145; border-left: 3px solid var(--copper); padding: 22px 24px; min-height: 286px; }
.result-label { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; color: #82aec6; font: 10px var(--mono); letter-spacing: .08em; }
.result-state { color: var(--copper-pale); }
.demo-result h3 { font-size: 21px; margin: 18px 0 10px; }
.demo-result p { color: #c1d1dc; font-size: 13px; line-height: 1.65; margin-bottom: 11px; }
.demo-result ol { margin: 0 0 16px 19px; padding: 0; color: #e1ecf2; font-size: 13px; line-height: 1.9; }
.demo-result .result-disclaimer { color: #a9bcc8; border-top: 1px solid #345266; padding-top: 12px; font-size: 11px; margin-bottom: 0; }
.console-footer { border-top: 1px solid #304b5e; padding: 12px 20px; color: #83a2b5; display: flex; gap: 12px; justify-content: space-between; font: 9px var(--mono); }

.roadmap-section { background: var(--white); }
.roadmap-section h2 { margin-bottom: 45px; }
.roadmap-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.roadmap-item { padding: 30px 28px 10px 0; }
.roadmap-item + .roadmap-item { padding-left: 28px; border-left: 1px solid var(--line); }
.phase { font: 11px var(--mono); letter-spacing: .12em; color: #7e8e9b; }
.roadmap-status { display: flex; gap: 8px; align-items: center; font: 10px var(--mono); letter-spacing: .06em; margin: 25px 0 13px; }
.roadmap-status > span:first-child { width: 7px; height: 7px; border-radius: 50%; }
.done { color: #3c8162; }.done > span:first-child { background: #3c8162; }
.current { color: #a97743; }.current > span:first-child { background: var(--copper); }
.planned { color: #8898a3; }.planned > span:first-child { background: #9daab2; }
.roadmap-item h3 { font-size: 23px; line-height: 1.2; letter-spacing: -.025em; margin: 0 0 10px; }
.roadmap-item p { font-size: 13px; color: #6a7d89; line-height: 1.8; }

.contact-section { background: #b7d7e8; padding: 83px 0; }
.contact-layout { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 50px; }
.contact-section .section-label { color: var(--ink); }
.contact-section .section-label > span:first-child { background: var(--ink); }
.contact-section p { max-width: 650px; margin: 19px 0 0; color: #344e61; line-height: 1.85; }
.contact-link { font: 700 clamp(15px, 1.7vw, 22px) var(--display); border-bottom: 2px solid var(--ink); white-space: nowrap; padding-bottom: 11px; }
.contact-link span { color: #956331; margin-left: 14px; }
.site-footer { background: #081726; color: #a8becc; padding: 33px 0 28px; }
.footer-inner { display: flex; justify-content: space-between; gap: 30px; align-items: center; }
.footer-brand { font: 800 20px var(--display); letter-spacing: -.06em; color: var(--white); }
.footer-brand > span { color: var(--copper); }
.footer-brand small { font: 10px var(--mono); color: #8ea7b6; display: block; letter-spacing: 0; margin-top: 3px; }
.footer-inner > div:last-child { font: 10px var(--mono); display: flex; flex-wrap: wrap; gap: 25px; }
.footer-inner a { color: var(--white); }
.footer-note { margin-top: 22px; padding-top: 16px; border-top: 1px solid #243c4b; font-size: 11px; color: #8199aa; }

@media (max-width: 1100px) {
  .shell { width: min(100% - 64px, 1280px); }
  .desktop-nav { display: none; }
  .header-actions { margin-left: auto; }
  .hero-layout { grid-template-columns: 1fr 1fr; gap: 35px; }
  .hero-facts { gap: 12px; }
  .hero-facts > div + div { padding-left: 12px; }
  .visual-head { font-size: 8px; }
  .board { min-height: 380px; }
  .solution-card { padding: 22px; }
  .solution-card.selected { padding-top: 19px; }
}
@media (max-width: 850px) {
  .hero-layout, .split-section, .demo-layout { grid-template-columns: 1fr; }
  .hero-layout { padding-block: 80px 65px; gap: 60px; }
  .hero-copy { max-width: 690px; }
  .hero-visual { max-width: 600px; }
  .section { padding-block: 75px; }
  .split-section { gap: 25px; }
  .approach-body { padding-left: 26px; }
  .section-header { display: block; }
  .section-header > p { margin-top: 22px; }
  .solution-grid { grid-template-columns: 1fr; }
  .solution-card { min-height: 290px; }
  .solution-card h3 { margin-top: 30px; }
  .demo-layout { gap: 40px; }
  .contact-layout { grid-template-columns: 1fr; gap: 24px; }
  .contact-link { justify-self: start; }
}
@media (max-width: 570px) {
  .shell { width: calc(100% - 40px); }
  .header-inner { min-height: 76px; gap: 12px; }
  .brand-mark { width: 40px; height: 40px; }
  .brand-name { font-size: 20px; }
  .brand-name small { font-size: 7px; }
  .header-actions { gap: 7px; }
  .header-contact { display: none; }
  .lang-switch { padding: 10px; }
  .eyebrow { font-size: 9px; }
  h1 { font-size: clamp(43px, 10vw, 65px); }
  .hero-layout { padding-top: 62px; }
  .hero-lead { font-size: 15px; }
  .hero-buttons { display: grid; }
  .hero-facts { gap: 7px; margin-top: 45px; }
  .hero-facts > div + div { padding-left: 9px; }
  .fact-number { font-size: 12px; }
  .hero-facts div span:last-child { font-size: 9px; }
  .visual-head, .visual-footer { padding: 13px 10px; }
  .visual-head > span:last-child { display: none; }
  .board { min-height: 370px; }
  .diagram-node { width: 200px; }
  .hero-bottom { font-size: 8px; gap: 8px; }
  .section { padding-block: 60px; }
  .section h2, .contact-section h2 { font-size: 35px; }
  .approach-body > p { font-size: 15px; }
  .solution-card { min-height: 320px; }
  .demo-result { padding: 18px; }
  .console-content { padding: 16px; }
  .roadmap-grid { grid-template-columns: 1fr; }
  .roadmap-item, .roadmap-item + .roadmap-item { padding: 24px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .roadmap-status { margin-top: 15px; }
  .contact-section { padding-block: 58px; }
  .contact-link { font-size: clamp(15px, 4vw, 22px); overflow-wrap: anywhere; white-space: normal; }
  .footer-inner { display: grid; gap: 20px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}