:root {
  --canvas: #f5f6f8;
  --surface: #ffffff;
  --surface-muted: #f0f2f5;
  --ink: #101828;
  --ink-secondary: #344054;
  --muted: #667085;
  --border: #e4e7ec;
  --border-strong: #d0d5dd;
  --accent: #2457d6;
  --accent-hover: #1c46b1;
  --accent-soft: #eef3ff;
  --success: #16765a;
  --success-soft: #ecfdf3;
  --warning: #a15c00;
  --warning-soft: #fff7e8;
  --radius-control: 10px;
  --radius-panel: 16px;
  --radius-large: 24px;
  --shadow: 0 1px 2px rgba(16,24,40,.04), 0 12px 30px rgba(16,24,40,.07);
  --max: 1180px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI Variable", "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img, video { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #84adff; outline-offset: 3px; }
.container { 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);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(228,231,236,.9);
}
.nav { min-height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-weight: 700; letter-spacing: -.02em; }
.brand img { width: 34px; height: 34px; }
.nav-links { display: flex; align-items: center; gap: 26px; color: var(--ink-secondary); font-weight: 550; font-size: 14px; }
.nav-links a { text-decoration: none; }
.nav-links a:hover { color: var(--accent); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 18px; border-radius: var(--radius-control); border: 1px solid transparent; text-decoration: none; font-weight: 650; font-size: 15px; transition: background .15s ease, border-color .15s ease, transform .15s ease; }
.button-primary { color: white; background: var(--accent); }
.button-primary:hover { background: var(--accent-hover); }
.button-secondary { color: var(--ink); background: var(--surface); border-color: var(--border-strong); }
.button-secondary:hover { border-color: #98a2b3; }
.hero { padding: 96px 0 72px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(420px, .92fr); gap: 64px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px; color: var(--accent); font-size: 13px; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 24px; height: 2px; background: var(--accent); border-radius: 99px; }
h1 { max-width: 740px; margin: 0; font-size: clamp(46px, 6vw, 70px); line-height: 1.02; letter-spacing: -.055em; font-weight: 710; }
.hero-copy { max-width: 660px; margin: 24px 0 0; color: var(--ink-secondary); font-size: clamp(18px, 2vw, 21px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.fact-row { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 30px; color: var(--muted); font-size: 13px; }
.fact { display: inline-flex; align-items: center; gap: 8px; }
.fact::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 4px var(--success-soft); }
.hero-frame { border-radius: var(--radius-large); background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow); padding: 10px; transform: rotate(1deg); }
.hero-frame img { border-radius: 16px; width: 100%; }
.section { padding: 78px 0; }
.section-white { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { display: grid; grid-template-columns: .8fr 1.2fr; gap: 56px; align-items: end; margin-bottom: 42px; }
.kicker { color: var(--accent); font-weight: 750; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; }
h2 { margin: 9px 0 0; font-size: clamp(32px, 4vw, 48px); line-height: 1.1; letter-spacing: -.04em; font-weight: 690; }
.section-intro { color: var(--muted); font-size: 17px; max-width: 650px; margin: 0; }
.workflow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; counter-reset: workflow; }
.workflow article { min-height: 220px; padding: 24px; border: 1px solid var(--border); background: var(--surface); border-radius: var(--radius-panel); }
.workflow article::before { counter-increment: workflow; content: "0" counter(workflow); display: block; margin-bottom: 42px; color: var(--accent); font-size: 13px; font-weight: 800; letter-spacing: .08em; }
.workflow h3 { margin: 0 0 10px; font-size: 18px; letter-spacing: -.02em; }
.workflow p { margin: 0; color: var(--muted); font-size: 14px; }
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.feature { padding: 30px; border-radius: var(--radius-large); background: var(--canvas); border: 1px solid var(--border); }
.feature h3 { margin: 0 0 10px; font-size: 22px; letter-spacing: -.025em; }
.feature p { margin: 0; color: var(--muted); }
.feature-meta { margin-top: 24px; color: var(--ink-secondary); font-size: 13px; font-weight: 650; }
.demo-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); gap: 32px; align-items: start; }
.video-shell { overflow: hidden; border-radius: var(--radius-large); border: 1px solid var(--border); background: #111827; box-shadow: var(--shadow); }
.video-shell video { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.demo-copy { padding: 32px; border-radius: var(--radius-large); background: var(--surface); border: 1px solid var(--border); }
.demo-copy h3 { margin: 0 0 12px; font-size: 28px; letter-spacing: -.03em; }
.demo-copy p { color: var(--muted); }
.demo-list { margin: 24px 0 0; padding: 0; list-style: none; }
.demo-list li { display: flex; gap: 12px; padding: 12px 0; border-top: 1px solid var(--border); color: var(--ink-secondary); font-size: 14px; }
.demo-list li::before { content: "✓"; color: var(--success); font-weight: 800; }
.disclosure { margin-top: 22px; padding: 15px 16px; border-radius: 12px; background: var(--warning-soft); color: #7a4a00; font-size: 13px; }
.stack { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.stack div { padding: 20px; border: 1px solid var(--border); border-radius: 14px; background: var(--surface); }
.stack strong { display: block; font-size: 15px; }
.stack span { color: var(--muted); font-size: 13px; }
.sale-card { display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: center; padding: 42px; border-radius: var(--radius-large); background: var(--ink); color: white; }
.sale-card h2 { margin-top: 0; color: white; }
.sale-card p { margin: 14px 0 0; color: #d0d5dd; max-width: 720px; }
.sale-card .button-primary { background: white; color: var(--ink); }
.sale-card .button-primary:hover { background: #f2f4f7; }
.footer { padding: 38px 0 50px; color: var(--muted); font-size: 13px; }
.footer-row { display: flex; justify-content: space-between; gap: 24px; padding-top: 24px; border-top: 1px solid var(--border); }
.tag { display: inline-flex; padding: 6px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: 12px; font-weight: 750; }
@media (max-width: 920px) {
  .hero { padding-top: 66px; }
  .hero-grid, .demo-grid, .section-head { grid-template-columns: 1fr; gap: 34px; }
  .hero-frame { transform: none; max-width: 760px; }
  .workflow { grid-template-columns: repeat(2, 1fr); }
  .stack { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .nav { min-height: 62px; }
  .nav-links a:not(.button) { display: none; }
  .nav-links { gap: 8px; }
  .nav-links .button { min-height: 40px; padding: 0 13px; font-size: 13px; }
  .hero { padding: 54px 0 48px; }
  h1 { font-size: clamp(40px, 12vw, 54px); }
  .hero-copy { font-size: 17px; }
  .section { padding: 56px 0; }
  .workflow, .feature-grid, .stack { grid-template-columns: 1fr; }
  .workflow article { min-height: auto; }
  .workflow article::before { margin-bottom: 26px; }
  .sale-card { grid-template-columns: 1fr; padding: 30px; }
  .footer-row { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}
