:root {
  --ink: #0a0b0d;
  --muted: #5d6470;
  --line: #dfe3e8;
  --soft: #f4f6f8;
  --blue: #175cff;
  --blue-dark: #0d3bb8;
  --white: #ffffff;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

.shell { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255,255,255,.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}
.nav { height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 780; letter-spacing: -.04em; font-size: 1.4rem; }
.brand-mark { width: 24px; height: 24px; position: relative; display: inline-block; }
.brand-mark::before, .brand-mark::after { content: ""; position: absolute; background: var(--blue); transform: skewX(-18deg); }
.brand-mark::before { width: 7px; height: 22px; left: 2px; top: 1px; }
.brand-mark::after { width: 7px; height: 22px; right: 2px; top: 1px; }
.brand-mark i { position: absolute; width: 7px; height: 24px; left: 9px; top: 0; background: var(--ink); transform: rotate(-36deg) skewX(-12deg); }
.nav-links { display: flex; align-items: center; gap: 22px; color: #303640; font-size: .9rem; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--blue); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 20px; border: 1px solid var(--ink); background: var(--ink); color: #fff; font-weight: 700; transition: .2s ease; }
.button:hover { transform: translateY(-1px); background: var(--blue); border-color: var(--blue); }
.button.secondary { background: transparent; color: var(--ink); }
.button.secondary:hover { color: var(--blue); border-color: var(--blue); background: #f7f9ff; }
.menu-button { display: none; border: 0; background: transparent; padding: 8px; }

.eyebrow { margin: 0 0 18px; color: var(--blue); font-size: .78rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.hero { padding: 112px 0 82px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 70px; align-items: center; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 26px; font-size: clamp(3.4rem, 7vw, 6.6rem); line-height: .94; letter-spacing: -.072em; font-weight: 760; }
h2 { margin-bottom: 20px; font-size: clamp(2.35rem, 4.5vw, 4rem); line-height: 1.02; letter-spacing: -.055em; }
h3 { margin-bottom: 10px; font-size: 1.16rem; letter-spacing: -.025em; }
.hero-copy { max-width: 630px; color: #444b55; font-size: 1.22rem; line-height: 1.65; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.subnote { margin-top: 20px; color: var(--muted); font-size: .86rem; }

.system-window { border: 1px solid #cfd5df; background: #fff; box-shadow: 0 32px 80px rgba(21,39,82,.14); }
.window-bar { height: 44px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; padding: 0 14px; color: var(--muted); font-size: .75rem; }
.dots { display: flex; gap: 6px; }
.dots span { width: 7px; height: 7px; border-radius: 50%; background: #c8cdd4; }
.system-body { padding: 22px; background: linear-gradient(135deg, #fbfcff, #f3f6fa); }
.system-title { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; font-size: .82rem; font-weight: 750; }
.status { padding: 5px 8px; color: var(--blue); background: #eaf0ff; font-size: .68rem; }
.signal-card { padding: 17px; margin-bottom: 10px; border: 1px solid var(--line); background: #fff; }
.signal-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.signal-label { font-size: .72rem; color: var(--muted); }
.signal-value { font-weight: 800; }
.signal-card p { margin: 9px 0 0; color: #49505a; font-size: .82rem; line-height: 1.45; }
.connector-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 7px; margin-top: 15px; }
.connector { padding: 8px 4px; border: 1px solid var(--line); background: #fff; text-align: center; color: #4f5661; font-size: .62rem; }

.logo-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.logo-strip .shell { display: grid; grid-template-columns: 1.3fr repeat(5, 1fr); align-items: center; min-height: 92px; }
.logo-strip span { padding: 18px 12px; color: #5b626e; font-size: .82rem; text-align: center; }
.logo-strip span:first-child { color: var(--ink); font-weight: 700; text-align: left; }

.section { padding: 100px 0; }
.section.soft { background: var(--soft); }
.section.dark { color: #fff; background: var(--ink); }
.section-intro { display: grid; grid-template-columns: .78fr 1.22fr; gap: 70px; margin-bottom: 56px; align-items: start; }
.section-intro p { color: var(--muted); font-size: 1.08rem; max-width: 660px; }
.dark .section-intro p { color: #aeb5bf; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.card { min-height: 250px; padding: 30px; background: #fff; }
.card-number { display: block; margin-bottom: 50px; color: var(--blue); font-size: .74rem; font-weight: 800; letter-spacing: .1em; }
.card p { color: var(--muted); font-size: .94rem; }

.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: flow; }
.flow-step { position: relative; min-height: 210px; padding: 28px; border: 1px solid #30343a; background: #111318; }
.flow-step::before { counter-increment: flow; content: "0" counter(flow); display: block; margin-bottom: 42px; color: #6c7a92; font-size: .75rem; font-weight: 800; }
.flow-step:not(:last-child)::after { content: "→"; position: absolute; right: -15px; top: 50%; color: var(--blue); font-size: 1.3rem; z-index: 2; }
.flow-step p { color: #aeb5bf; font-size: .9rem; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.check-list { margin: 28px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.check-list li { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); color: #3e4650; }
.check-list li::before { content: "↳"; color: var(--blue); font-weight: 800; }
.metric-panel { padding: 42px; color: #fff; background: var(--blue); }
.metric-panel .big { display: block; margin-bottom: 70px; font-size: clamp(4rem, 8vw, 7rem); line-height: .9; letter-spacing: -.07em; }
.metric-panel p { max-width: 420px; color: #dce5ff; }

.cta { padding: 110px 0; border-top: 1px solid var(--line); }
.cta-inner { display: flex; align-items: end; justify-content: space-between; gap: 48px; }
.cta h2 { max-width: 790px; margin-bottom: 0; }

.page-hero { padding: 105px 0 72px; border-bottom: 1px solid var(--line); }
.page-hero h1 { max-width: 980px; font-size: clamp(3.4rem, 6.2vw, 5.8rem); }
.page-hero p { max-width: 720px; color: var(--muted); font-size: 1.18rem; }
.detail-grid { display: grid; grid-template-columns: 290px 1fr; gap: 90px; }
.side-label { position: sticky; top: 110px; align-self: start; color: var(--blue); font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.detail-section { padding-bottom: 70px; margin-bottom: 70px; border-bottom: 1px solid var(--line); }
.detail-section:last-child { margin-bottom: 0; border-bottom: 0; }
.detail-section p { max-width: 750px; color: var(--muted); font-size: 1.05rem; }
.feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }
.feature { padding: 24px; border: 1px solid var(--line); }
.feature p { margin-bottom: 0; font-size: .92rem; }

.solutions-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.solution { min-height: 350px; padding: 36px; border: 1px solid var(--line); display: flex; flex-direction: column; justify-content: space-between; }
.solution:nth-child(1) { background: #eef3ff; }
.solution:nth-child(4) { color: #fff; background: var(--ink); }
.solution p { color: var(--muted); }
.solution:nth-child(4) p { color: #aeb5bf; }
.solution-tag { color: var(--blue); font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }

.company-facts { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.fact { min-height: 160px; padding: 28px; border-right: 1px solid var(--line); }
.fact:last-child { border-right: 0; }
.fact strong { display: block; margin-bottom: 35px; font-size: 1.5rem; letter-spacing: -.04em; }
.fact span { color: var(--muted); font-size: .88rem; }

.contact-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; }
.contact-card { padding: 34px; border: 1px solid var(--line); background: var(--soft); }
.contact-row { padding: 22px 0; border-bottom: 1px solid var(--line); }
.contact-row:last-child { border-bottom: 0; }
.contact-row small { display: block; color: var(--muted); margin-bottom: 5px; }
.contact-row a { color: var(--blue); font-weight: 700; }

.legal { max-width: 800px; padding: 90px 0; }
.legal h1 { font-size: 3.7rem; }
.legal h2 { margin-top: 48px; font-size: 1.55rem; letter-spacing: -.03em; }
.legal p, .legal li { color: var(--muted); }

.site-footer { color: #d8dde5; background: var(--ink); }
.footer-top { display: grid; grid-template-columns: 1.45fr .8fr .8fr .7fr; gap: 56px; padding: 72px 0; }
.footer-brand p { max-width: 450px; color: #929aa6; }
.footer-col strong { display: block; margin-bottom: 18px; color: #fff; font-size: .82rem; }
.footer-col a { display: block; margin: 8px 0; color: #aeb5bf; font-size: .9rem; }
.footer-col a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 22px 0; border-top: 1px solid #282c32; color: #777f8b; font-size: .78rem; }

@media (max-width: 900px) {
  .nav-links { position: fixed; inset: 72px 0 auto 0; display: none; padding: 22px 20px 30px; background: #fff; border-bottom: 1px solid var(--line); flex-direction: column; align-items: flex-start; }
  .nav-links.open { display: flex; }
  .menu-button { display: block; }
  .nav .button { display: none; }
  .hero { padding-top: 72px; }
  .hero-grid, .section-intro, .split, .contact-layout { grid-template-columns: 1fr; gap: 46px; }
  .logo-strip .shell { grid-template-columns: repeat(3, 1fr); }
  .logo-strip span:first-child { grid-column: 1 / -1; text-align: center; border-bottom: 1px solid var(--line); }
  .grid-3, .flow, .company-facts { grid-template-columns: 1fr; }
  .flow-step:not(:last-child)::after { display: none; }
  .detail-grid { grid-template-columns: 1fr; gap: 36px; }
  .side-label { position: static; }
  .cta-inner { align-items: flex-start; flex-direction: column; }
  .footer-top { grid-template-columns: 1fr 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  h1 { font-size: 3.25rem; }
  .hero-copy { font-size: 1.06rem; }
  .section { padding: 76px 0; }
  .connector-row { grid-template-columns: repeat(2, 1fr); }
  .logo-strip .shell { grid-template-columns: 1fr 1fr; }
  .feature-list, .solutions-grid { grid-template-columns: 1fr; }
  .metric-panel { padding: 30px; }
  .footer-bottom { flex-direction: column; }
}