:root {
  --bg: #f5f7fb;
  --bg-dark: #101827;
  --panel: #ffffff;
  --text: #101827;
  --muted: #657084;
  --line: #dde3ee;
  --accent: #2864ff;
  --accent-2: #13b4a3;
  --shadow: 0 22px 70px rgba(16, 24, 39, .12);
}

* { 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(--text);
  background:
    radial-gradient(circle at 15% 10%, rgba(40, 100, 255, .16), transparent 28rem),
    radial-gradient(circle at 80% 5%, rgba(19, 180, 163, .14), transparent 24rem),
    var(--bg);
  line-height: 1.6;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(16,24,39,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(16,24,39,.045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 70%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(245, 247, 251, .78);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(221, 227, 238, .8);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
}

.logo svg {
  display: block;
  width: 44px;
  height: 44px;
}

.logo rect { fill: var(--bg-dark); }
.logo path { fill: #fff; }
.logo .logo-cut { fill: var(--bg-dark); }

.brand strong { display: block; font-size: 18px; letter-spacing: -.02em; }
.brand small { display: block; color: var(--muted); font-size: 12px; margin-top: -2px; }

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  color: #364153;
}

.nav a:hover { color: var(--accent); }

.nav-cta {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.7);
}

main, .site-footer { position: relative; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, .65fr);
  gap: 42px;
  align-items: center;
  padding: 88px clamp(20px, 5vw, 72px) 64px;
  min-height: 680px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  max-width: 940px;
  margin-bottom: 24px;
  font-size: clamp(42px, 7vw, 82px);
  line-height: .96;
  letter-spacing: -.07em;
}

h2 {
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1;
  letter-spacing: -.05em;
  margin-bottom: 18px;
}

h3 {
  font-size: 21px;
  line-height: 1.2;
  margin-bottom: 12px;
}

.lead {
  max-width: 760px;
  color: #3d4758;
  font-size: clamp(18px, 2vw, 23px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 20px;
  border-radius: 999px;
  font-weight: 750;
  border: 1px solid transparent;
}

.button.primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 14px 34px rgba(40, 100, 255, .28);
}

.button.primary:hover { transform: translateY(-1px); }

.button.secondary {
  background: #fff;
  border-color: var(--line);
  color: #243044;
}

.hero-card {
  display: grid;
  gap: 16px;
  padding: 24px;
  border: 1px solid rgba(255,255,255,.7);
  border-radius: 32px;
  background: linear-gradient(145deg, rgba(255,255,255,.9), rgba(255,255,255,.55));
  box-shadow: var(--shadow);
}

.hero-card::before {
  content: "";
  height: 180px;
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(40,100,255,.95), rgba(19,180,163,.95)),
    var(--accent);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.25);
}

.metric {
  padding: 18px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid var(--line);
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .12em;
}

.metric strong {
  display: block;
  margin-top: 4px;
  font-size: 20px;
}

.section {
  padding: 72px clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card {
  min-height: 230px;
  padding: 28px;
  border-radius: 26px;
  background: rgba(255,255,255,.82);
  border: 1px solid rgba(221,227,238,.85);
  box-shadow: 0 12px 32px rgba(16,24,39,.05);
}

.card p, .split p, .contact p { color: var(--muted); }

.split {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(320px, 1fr);
  gap: 36px;
  align-items: center;
}

.stack-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.stack-list span {
  padding: 12px 16px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-weight: 700;
}

.dark {
  color: #fff;
  background:
    radial-gradient(circle at 20% 20%, rgba(40,100,255,.4), transparent 28rem),
    radial-gradient(circle at 80% 30%, rgba(19,180,163,.28), transparent 24rem),
    var(--bg-dark);
}

.dark .eyebrow { color: #76d8ff; }

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.step {
  padding: 24px;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
}

.step b {
  display: block;
  margin-bottom: 20px;
  color: #76d8ff;
  font-size: 13px;
  letter-spacing: .14em;
}

.step span { color: rgba(255,255,255,.78); }

.contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(20px, 5vw, 72px);
  color: var(--muted);
  border-top: 1px solid var(--line);
}

@media (max-width: 940px) {
  .site-header { align-items: flex-start; }
  .nav { display: none; }
  .hero, .split, .contact { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 56px; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .cards, .steps { grid-template-columns: 1fr; }
  .section { padding-top: 54px; padding-bottom: 54px; }
  .hero-card::before { height: 120px; }
  .site-footer { flex-direction: column; }
}