:root {
  color-scheme: dark;
  --bg: #07111f;
  --bg-soft: #0d1c32;
  --panel: rgba(255, 255, 255, 0.08);
  --panel-strong: rgba(255, 255, 255, 0.14);
  --text: #f7fbff;
  --muted: #b4c2d6;
  --accent: #12cf8a;
  --accent-strong: #1aa4d8;
  --line: rgba(255, 255, 255, 0.14);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(18, 207, 138, 0.2), transparent 34rem),
    radial-gradient(circle at 85% 10%, rgba(26, 164, 216, 0.24), transparent 30rem),
    var(--bg);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 17, 31, 0.78);
  backdrop-filter: blur(18px);
}

.nav,
.section,
.hero,
.footer,
.cta {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}
.brand-logo {
  display: block;
  width: 152px;
  height: 42px;
  padding: 5px 10px;
  border-radius: 12px;
  object-fit: contain;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 40px rgba(18, 207, 138, 0.2);
}

.nav-links { display: flex; align-items: center; gap: 28px; color: var(--muted); font-weight: 600; }
.nav-links a:hover { color: var(--text); }
.nav-toggle { display: none; background: transparent; border: 0; padding: 8px; }
.nav-toggle span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px; background: var(--text); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr); gap: 54px; align-items: center; padding: 108px 0 84px; }
.eyebrow { margin: 0 0 14px; color: var(--accent); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 760px; font-size: clamp(3.2rem, 8vw, 6.75rem); line-height: 0.93; letter-spacing: -0.08em; margin-bottom: 26px; }
h2 { font-size: clamp(2rem, 4vw, 3.6rem); line-height: 1.02; letter-spacing: -0.06em; margin-bottom: 18px; }
h3 { font-size: 1.45rem; letter-spacing: -0.035em; margin-bottom: 12px; }
.hero-copy { max-width: 650px; color: var(--muted); font-size: 1.17rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 50px; padding: 0 22px; border-radius: 999px; font-weight: 800; transition: transform 180ms ease, border-color 180ms ease; }
.button:hover { transform: translateY(-2px); }
.primary { color: #041322; background: linear-gradient(135deg, var(--accent), #b7f5dd); }
.secondary { border: 1px solid var(--line); color: var(--text); background: rgba(255,255,255,0.04); }

.hero-card { position: relative; min-height: 520px; border: 1px solid var(--line); border-radius: 38px; overflow: hidden; background: linear-gradient(145deg, rgba(255,255,255,0.13), rgba(255,255,255,0.04)); box-shadow: var(--shadow); }
.orbit { position: absolute; inset: 12%; border: 1px solid rgba(255,255,255,0.2); border-radius: 50%; }
.orbit-two { inset: 26%; transform: rotate(28deg); }
.ecosystem-center, .ecosystem-node { position: absolute; display: grid; place-items: center; border-radius: 999px; font-weight: 800; box-shadow: 0 18px 50px rgba(0,0,0,0.28); }
.ecosystem-center { inset: 50% auto auto 50%; transform: translate(-50%, -50%); width: 210px; height: 132px; padding: 18px; border-radius: 28px; background: rgba(255,255,255,0.96); }
.hero-logo { display: block; width: 100%; height: 100%; object-fit: contain; }
.ecosystem-node { width: 122px; height: 122px; background: var(--panel-strong); border: 1px solid var(--line); backdrop-filter: blur(10px); }
.services { top: 13%; left: 12%; }
.tech { top: 20%; right: 10%; }
.pay { bottom: 12%; left: 38%; }

.section { padding: 86px 0; }
.intro { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 48px; border-top: 1px solid var(--line); }
.intro p:last-child, .company-card p, .approach-list p, .cta p { color: var(--muted); }
.section-heading { max-width: 760px; margin-bottom: 34px; }
.company-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.company-card { min-height: 290px; padding: 28px; border: 1px solid var(--line); border-radius: 28px; background: var(--panel); }
.company-card.featured { background: linear-gradient(160deg, rgba(18,207,138,0.17), rgba(26,164,216,0.13)); }
.card-icon { display: inline-grid; place-items: center; width: 48px; height: 48px; margin-bottom: 48px; border-radius: 16px; background: rgba(18,207,138,0.15); color: var(--accent); font-weight: 800; }
.approach { border-top: 1px solid var(--line); }
.approach-list { display: grid; gap: 16px; }
.approach-list div { display: grid; grid-template-columns: 220px 1fr; gap: 24px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.approach-list span { font-size: 1.45rem; font-weight: 800; letter-spacing: -0.04em; }
.cta { margin-block: 64px 92px; padding: 58px; border: 1px solid var(--line); border-radius: 34px; background: linear-gradient(135deg, rgba(18,207,138,0.15), rgba(26,164,216,0.08)); text-align: center; box-shadow: var(--shadow); }
.cta h2 { max-width: 780px; margin-inline: auto; }
.footer { display: flex; justify-content: space-between; gap: 20px; padding: 28px 0 42px; color: var(--muted); border-top: 1px solid var(--line); }
.footer div { display: flex; gap: 18px; }

@media (max-width: 860px) {
  .nav-toggle { display: block; }
  .nav-links { position: absolute; inset: 76px 20px auto; display: none; flex-direction: column; align-items: stretch; padding: 20px; border: 1px solid var(--line); border-radius: 20px; background: #0a1628; }
  .nav-links.open { display: flex; }
  .hero, .intro, .company-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 72px; }
  .hero-card { min-height: 420px; }
  .ecosystem-center { width: 190px; height: 120px; padding: 16px; }
  .approach-list div { grid-template-columns: 1fr; gap: 8px; }
  .footer { flex-direction: column; }
}

@media (max-width: 560px) {
  .nav, .section, .hero, .footer, .cta { width: min(100% - 28px, 1120px); }
  .hero-card { min-height: 360px; }
  .ecosystem-node { width: 96px; height: 96px; font-size: 0.85rem; }
  .ecosystem-center { width: 164px; height: 104px; padding: 14px; border-radius: 22px; }
  .brand-logo { width: 132px; height: 40px; padding-inline: 8px; }
  .cta { padding: 34px 20px; }
}
