:root {
  color-scheme: light;
  --ink: #0b0d10;
  --ink-soft: #343941;
  --muted: #667085;
  --line: #dfe3ea;
  --line-strong: #c8ced8;
  --paper: #fbfaf7;
  --surface: #ffffff;
  --surface-soft: #f3f1ec;
  --accent: #1837d8;
  --accent-dark: #10249a;
  --accent-soft: #e9edff;
  --green: #1f7a4d;
  --shadow: 0 24px 70px rgba(11, 13, 16, 0.12);
  --radius: 28px;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
.skip-link {
  position: absolute;
  top: -80px;
  left: 16px;
  z-index: 10;
  padding: 10px 14px;
  background: var(--ink);
  color: white;
  border-radius: 999px;
}
.skip-link:focus { top: 16px; }
.container {
  width: min(var(--max), calc(100% - 40px));
  margin-inline: auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(251, 250, 247, 0.86);
  border-bottom: 1px solid rgba(223, 227, 234, 0.76);
  backdrop-filter: blur(18px);
}
.nav {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand, .nav-links { display: flex; align-items: center; gap: 18px; }
.brand { font-weight: 760; letter-spacing: -0.02em; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--ink);
  border-radius: 50%;
  font-size: 12px;
  letter-spacing: 0.08em;
}
.nav-links { color: var(--ink-soft); font-size: 14px; font-weight: 620; }
.nav-cta {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 0 16px;
  background: var(--surface);
}
.hero {
  padding: 92px 0 70px;
  background:
    radial-gradient(circle at 18% 12%, rgba(24, 55, 216, 0.12), transparent 28%),
    linear-gradient(180deg, #fbfaf7 0%, #f4f2ee 100%);
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.75fr);
  align-items: center;
  gap: 64px;
}
.eyebrow {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 780px;
  margin-bottom: 24px;
  font-size: clamp(48px, 8vw, 92px);
  line-height: 0.94;
  letter-spacing: -0.075em;
  text-wrap: balance;
}
h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 0.98;
  letter-spacing: -0.055em;
  text-wrap: balance;
}
h3 {
  margin-bottom: 12px;
  font-size: 26px;
  line-height: 1.05;
  letter-spacing: -0.035em;
}
.lede, .section-lede {
  max-width: 690px;
  color: var(--ink-soft);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
}
.hero-actions, .product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}
.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 20px;
  font-size: 14px;
  font-weight: 760;
  border: 1px solid transparent;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}
.button:hover { transform: translateY(-1px); }
.button:focus-visible, a:focus-visible { outline: 3px solid rgba(24, 55, 216, 0.28); outline-offset: 3px; }
.button-primary { color: #fff; background: var(--accent); box-shadow: 0 10px 28px rgba(24, 55, 216, 0.22); }
.button-primary:hover { color: #fff; background: var(--accent-dark); }
.button-secondary { background: var(--surface); border-color: var(--line-strong); color: var(--ink); }
.hero-panel {
  border: 1px solid rgba(11,13,16,0.1);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.panel-topline {
  height: 54px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 20px;
  border-bottom: 1px solid var(--line);
}
.panel-topline span { width: 10px; height: 10px; border-radius: 50%; background: #d9dde5; }
.system-card { padding: 34px; }
.card-label, .product-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  margin-bottom: 22px;
  padding: 0 12px;
  color: var(--accent-dark);
  background: var(--accent-soft);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 780;
  letter-spacing: 0.02em;
}
.system-card h2 { font-size: 36px; }
.signal-list {
  display: grid;
  gap: 14px;
  margin-top: 30px;
}
.signal-list div {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: center;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fbfbfa;
}
.signal-list strong { color: var(--accent); font-size: 13px; letter-spacing: 0.06em; }
.signal-list span { color: var(--ink-soft); font-weight: 640; }
.proof-band { border-block: 1px solid var(--line); background: var(--surface); }
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
}
.proof-grid div {
  min-height: 112px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 22px 28px;
  border-left: 1px solid var(--line);
}
.proof-grid div:last-child { border-right: 1px solid var(--line); }
.proof-grid span { color: var(--muted); font-size: 13px; font-weight: 720; text-transform: uppercase; letter-spacing: 0.08em; }
.proof-grid strong { margin-top: 6px; font-size: 22px; letter-spacing: -0.03em; }
.section { padding: 94px 0; }
.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.72fr);
  gap: 54px;
  align-items: center;
}
.product-section { background: var(--ink); color: #fff; }
.product-section .eyebrow { color: #9fb0ff; }
.product-section .section-lede { color: rgba(255,255,255,0.78); }
.product-section .button-secondary { color: #fff; background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.18); }
.product-card {
  padding: 34px;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.12), rgba(255,255,255,0.06));
  box-shadow: 0 30px 80px rgba(0,0,0,0.34);
}
.product-card p, .clean-list { color: rgba(255,255,255,0.78); }
.product-badge { color: #dff9ea; background: rgba(31, 122, 77, 0.28); }
.clean-list { margin: 24px 0 0; padding: 0; list-style: none; }
.clean-list li {
  position: relative;
  padding: 11px 0 11px 28px;
  border-top: 1px solid rgba(255,255,255,0.12);
}
.clean-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #69d391;
}
.about-section { background: var(--surface-soft); }
.about-card {
  max-width: 940px;
  padding: 48px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 18px 55px rgba(11, 13, 16, 0.08);
}
.about-card p:last-child { max-width: 780px; color: var(--ink-soft); font-size: 20px; }
.contact-strip { padding-top: 0; background: var(--surface-soft); }
.contact-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.contact-card h2 { margin: 0; font-size: clamp(28px, 4vw, 42px); }
.footer { padding: 42px 0; color: rgba(255,255,255,0.72); background: #08090b; }
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 32px;
}
.footer strong { color: #fff; }
.footer p { margin: 8px 0 0; max-width: 460px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 18px; font-weight: 680; }
.footer a:hover { color: #fff; }

@media (max-width: 820px) {
  .nav { min-height: 68px; }
  .nav-links a:not(.nav-cta) { display: none; }
  .hero { padding-top: 62px; }
  .hero-grid, .two-column { grid-template-columns: 1fr; gap: 34px; }
  .hero-panel { order: -1; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-grid div, .proof-grid div:last-child { border: 0; border-top: 1px solid var(--line); }
  .section { padding: 68px 0; }
  .about-card, .product-card { padding: 28px; }
  .contact-card, .footer-inner { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}
