:root {
  --ink: #171717;
  --muted: #5f6368;
  --line: #e5e7eb;
  --soft: #f6f7f8;
  --paper: #ffffff;
  --accent: #e86722;
  --accent-dark: #b84913;
  --max: 1180px;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(0,0,0,.06);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header { border-bottom: 1px solid var(--line); background: rgba(255,255,255,.97); position: sticky; top: 0; z-index: 10; }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 72px; }
.wordmark { text-decoration: none; font-weight: 850; letter-spacing: -.03em; font-size: 1.25rem; white-space: nowrap; }
.wordmark span { color: var(--accent); }
.main-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px 16px; font-size: .91rem; }
.main-nav a { text-decoration: none; color: #36393d; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--accent-dark); }
.hero { padding: 76px 0 38px; }
.eyebrow, .section-label { color: var(--accent-dark); text-transform: uppercase; letter-spacing: .11em; font-size: .77rem; font-weight: 800; }
h1 { margin: 10px 0 20px; font-size: clamp(2.45rem, 6vw, 4.75rem); line-height: 1.01; letter-spacing: -.055em; max-width: 1000px; }
.hero-copy { font-size: clamp(1.05rem, 1.8vw, 1.28rem); color: #45494e; max-width: 850px; margin: 0 0 26px; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 13px; margin: 24px 0; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 11px 18px; border-radius: 10px; text-decoration: none; font-weight: 800; border: 1px solid var(--ink); }
.btn-primary { background: var(--ink); color: white; }
.btn-primary:hover { background: #2b2b2b; }
.btn-secondary { background: white; }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent-dark); }
.capabilities { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.capabilities span { border: 1px solid var(--line); border-radius: 999px; padding: 6px 11px; font-size: .78rem; font-weight: 750; background: white; }
.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin: 42px 0 10px; }
.metric { background: white; padding: 24px; }
.metric strong { display: block; font-size: clamp(1.55rem, 3vw, 2.25rem); line-height: 1.05; letter-spacing: -.04em; }
.metric span { color: var(--muted); font-size: .9rem; }
.section { padding: 62px 0; }
.section.soft { background: var(--soft); }
.section h2 { margin: 6px 0 14px; font-size: clamp(1.9rem, 4vw, 3.25rem); line-height: 1.08; letter-spacing: -.045em; }
.lead { max-width: 880px; color: #4c5157; font-size: 1.08rem; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
.card { border: 1px solid var(--line); background: white; border-radius: var(--radius); padding: 24px; box-shadow: 0 1px 0 rgba(0,0,0,.02); }
.card h3 { margin: 0 0 8px; font-size: 1.12rem; line-height: 1.25; }
.card p { margin: 0; color: #555a60; font-size: .96rem; }
.architecture { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 28px; }
.architecture .card { min-height: 180px; }
.tag { display: inline-block; margin-bottom: 12px; color: var(--accent-dark); font-size: .75rem; text-transform: uppercase; letter-spacing: .09em; font-weight: 850; }
.use-cases { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.use-cases span { background: white; border: 1px solid var(--line); border-radius: 10px; padding: 9px 12px; font-weight: 700; font-size: .9rem; }
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 30px; }
.step { position: relative; border-top: 2px solid var(--ink); padding: 48px 4px 0; }
.step::before { counter-increment: step; content: "0" counter(step); position: absolute; top: 10px; left: 0; font-weight: 900; font-size: 1.3rem; color: var(--accent-dark); }
.step p { margin: 0; color: #50545a; }
.cta { padding: 54px 0 70px; }
.cta-box { border: 1px solid var(--line); border-radius: 22px; padding: clamp(28px,5vw,54px); background: var(--ink); color: white; box-shadow: var(--shadow); }
.cta-box .section-label { color: #ffb98f; }
.cta-box h2 { margin: 8px 0 12px; max-width: 850px; }
.cta-box p { color: #d7d7d7; max-width: 880px; font-size: 1.06rem; }
.cta-box .btn-primary { background: white; color: var(--ink); border-color: white; }
.cta-box .btn-secondary { background: transparent; color: white; border-color: #777; }
.faq { max-width: 920px; margin-top: 26px; }
details { border-top: 1px solid var(--line); padding: 17px 0; }
details:last-child { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 800; }
details p { color: #555a60; margin-bottom: 2px; }
.related { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-top: 26px; }
.related a { text-decoration: none; border: 1px solid var(--line); border-radius: 12px; padding: 15px; font-weight: 800; background: white; }
.related a:hover { border-color: var(--accent); }
.site-footer { border-top: 1px solid var(--line); padding: 30px 0 44px; color: #62666b; font-size: .92rem; }
.footer-row { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.footer-row strong { color: var(--ink); }
@media (max-width: 980px) {
  .nav-wrap { align-items: flex-start; flex-direction: column; padding: 18px 0; }
  .main-nav { justify-content: flex-start; }
  .grid { grid-template-columns: repeat(2,1fr); }
  .steps { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 680px) {
  .container { width: min(100% - 28px, var(--max)); }
  .hero { padding-top: 52px; }
  .grid, .architecture, .metrics, .steps, .related { grid-template-columns: 1fr; }
  .metric { padding: 19px; }
  h1 { font-size: clamp(2.35rem, 14vw, 3.7rem); }
  .main-nav { gap: 9px 14px; }
}