:root {
  color-scheme: light dark;
  --bg: #f4f7fb;
  --surface: rgba(255,255,255,.88);
  --surface-solid: #ffffff;
  --text: #0d1b2e;
  --muted: #64748b;
  --line: #d9e3ef;
  --accent: #2563eb;
  --accent-2: #06b6d4;
  --success: #0f9f6e;
  --warning: #b56a08;
  --radius: 28px;
  --shadow: 0 18px 50px rgba(15,23,42,.08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #07111f;
    --surface: rgba(12,26,45,.88);
    --surface-solid: #0c1a2d;
    --text: #eff6ff;
    --muted: #a9b7ca;
    --line: #23364f;
    --shadow: 0 18px 50px rgba(0,0,0,.28);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); line-height: 1.65; }
a { color: inherit; }
img { display: block; max-width: 100%; }
.shell { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 1000; background: var(--surface-solid); padding: 12px 16px; border-radius: 12px; }
.skip-link:focus { top: 16px; }

.site-header { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(20px); background: color-mix(in srgb, var(--bg) 78%, transparent); border-bottom: 1px solid var(--line); }
.nav-shell { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; text-decoration: none; }
.brand img { border-radius: 12px; }
nav { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; }
nav a { text-decoration: none; font-weight: 700; color: var(--muted); }
nav a:hover, nav a:focus-visible { color: var(--text); }

.hero { padding: 92px 0 72px; background: radial-gradient(circle at 85% 10%, color-mix(in srgb, var(--accent-2) 16%, transparent), transparent 34%), radial-gradient(circle at 15% 20%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 30%); }
.hero-grid { display: grid; grid-template-columns: minmax(0,1.35fr) minmax(280px,.65fr); gap: 40px; align-items: center; }
.eyebrow { margin: 0 0 10px; color: #0891b2; text-transform: uppercase; letter-spacing: .14em; font-weight: 800; font-size: .82rem; }
h1 { margin: 0; max-width: 800px; font-size: clamp(3rem, 8vw, 6.7rem); line-height: .95; letter-spacing: -.055em; }
.lede { max-width: 760px; margin: 28px 0 0; color: var(--muted); font-size: clamp(1.05rem, 2.2vw, 1.35rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 0 20px; border: 1px solid var(--line); border-radius: 16px; text-decoration: none; font-weight: 800; background: var(--surface); }
.button.primary { color: white; border-color: transparent; background: linear-gradient(135deg, var(--accent), var(--accent-2)); }
.hero-panel { display: grid; gap: 12px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.hero-panel div { display: grid; grid-template-columns: 82px 1fr; align-items: baseline; gap: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.hero-panel strong { font-size: 2.2rem; }
.hero-panel span, .hero-panel p { color: var(--muted); }

.principles { border-block: 1px solid var(--line); background: var(--surface); }
.principle-grid { display: grid; grid-template-columns: repeat(5,1fr); }
.principle-grid div { padding: 22px 18px; border-right: 1px solid var(--line); }
.principle-grid div:last-child { border-right: 0; }
.principle-grid strong, .principle-grid span { display: block; }
.principle-grid span { margin-top: 4px; color: var(--muted); font-size: .92rem; }

.section { padding: 84px 0; }
.section.alt { background: color-mix(in srgb, var(--surface-solid) 55%, transparent); border-block: 1px solid var(--line); }
.section-heading { max-width: 820px; margin-bottom: 44px; }
.section-heading h2, .split h2 { margin: 0; font-size: clamp(2rem, 5vw, 4rem); line-height: 1.05; letter-spacing: -.04em; }
.section-heading > p:last-child, .split p { color: var(--muted); }
.product-group + .product-group { margin-top: 58px; }
.group-heading { display: flex; gap: 16px; align-items: baseline; margin-bottom: 20px; }
.group-heading .eyebrow { margin: 0; }
.group-heading h3 { margin: 0; font-size: 1.5rem; }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }
.app-card, .capability-card { position: relative; display: flex; flex-direction: column; min-height: 290px; padding: 28px; border: 1px solid var(--line); border-radius: 24px; background: var(--surface); box-shadow: var(--shadow); }
.app-card img, .capability-card img { border-radius: 15px; margin-bottom: 22px; }
.app-card h4, .capability-card h3 { margin: 0 0 10px; font-size: 1.35rem; }
.app-card p, .capability-card p { margin: 0 0 18px; color: var(--muted); }
.badge { align-self: flex-start; margin-top: auto; padding: 7px 11px; border-radius: 999px; border: 1px solid var(--line); font-size: .8rem; font-weight: 800; }
.badge.active { color: var(--success); background: color-mix(in srgb, var(--success) 10%, transparent); }
.badge.growing { color: var(--warning); background: color-mix(in srgb, var(--warning) 9%, transparent); }
.capability-card strong { margin-top: auto; }
.split { display: grid; grid-template-columns: .8fr 1.2fr; gap: 54px; }

footer { padding: 48px 0; border-top: 1px solid var(--line); }
.footer-grid { display: flex; justify-content: space-between; gap: 30px; }
.footer-grid p { color: var(--muted); }
.footer-grid > div:last-child { display: flex; flex-direction: column; gap: 8px; }

:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent-2) 72%, white); outline-offset: 4px; }

@media (max-width: 920px) {
  .hero-grid, .split { grid-template-columns: 1fr; }
  .principle-grid { grid-template-columns: repeat(2,1fr); }
  .card-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

@media (max-width: 680px) {
  .nav-shell { align-items: flex-start; padding-block: 14px; flex-direction: column; }
  nav { gap: 12px 16px; }
  .hero { padding-top: 64px; }
  h1 { font-size: clamp(3rem, 16vw, 5rem); }
  .principle-grid, .card-grid { grid-template-columns: 1fr; }
  .principle-grid div { border-right: 0; border-bottom: 1px solid var(--line); }
  .footer-grid { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

@media (prefers-reduced-transparency: reduce) {
  .site-header, .hero-panel, .app-card, .capability-card, .button { backdrop-filter: none; background: var(--surface-solid); }
}