:root {
  --bg: #0b1220;
  --bg-alt: #0e1729;
  --surface: #121e33;
  --border: rgba(255, 255, 255, 0.08);
  --text: #e8edf6;
  --text-dim: #9aa7bd;
  --accent: #4f8cff;
  --accent-soft: rgba(79, 140, 255, 0.14);
  --radius: 14px;
  --maxw: 1080px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { line-height: 1.15; font-weight: 700; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); margin-bottom: 16px; }
h3 { font-size: 1.15rem; margin-bottom: 8px; }

.eyebrow {
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-lede {
  color: var(--text-dim);
  max-width: 640px;
  margin-bottom: 40px;
  font-size: 1.05rem;
}

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 18, 32, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.05rem;
}
.logo-mark { width: 28px; height: 28px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--text); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.15s, background 0.2s, box-shadow 0.2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(79, 140, 255, 0.35);
}
.btn-primary:hover { background: #3d7bf2; }
.btn-ghost {
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; }
.btn-lg { padding: 15px 34px; font-size: 1.05rem; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 110px 0 90px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 300px at 20% 10%, rgba(79, 140, 255, 0.18), transparent 70%),
    radial-gradient(500px 300px at 85% 30%, rgba(120, 220, 190, 0.10), transparent 70%);
  pointer-events: none;
}
.hero-inner { position: relative; }
.hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  margin-bottom: 20px;
}
.accent {
  background: linear-gradient(90deg, #4f8cff, #7cdcc0);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lede {
  color: var(--text-dim);
  font-size: 1.15rem;
  max-width: 620px;
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 64px; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  border-top: 1px solid var(--border);
  padding-top: 32px;
}
.stat-value {
  display: block;
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.stat-label { color: var(--text-dim); font-size: 0.9rem; }

/* ---------- Sections ---------- */
.section { padding: 88px 0; }
.section.alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.grid.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
  transition: border-color 0.2s, transform 0.2s;
}
.card:hover { border-color: rgba(79, 140, 255, 0.45); transform: translateY(-3px); }
.card-icon { font-size: 1.6rem; margin-bottom: 14px; }
.card p { color: var(--text-dim); font-size: 0.92rem; }

/* ---------- Services ---------- */
.services { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.service {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 28px;
  position: relative;
  overflow: hidden;
}
.service::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent), transparent);
}
.service p { color: var(--text-dim); font-size: 0.95rem; }

/* ---------- Steps ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.step {
  border-top: 1px solid var(--border);
  padding-top: 22px;
}
.step-num {
  font-family: "IBM Plex Mono", monospace;
  color: var(--accent);
  font-size: 0.85rem;
  display: block;
  margin-bottom: 10px;
}
.step p { color: var(--text-dim); font-size: 0.92rem; }

/* ---------- Contact ---------- */
.contact { text-align: center; }
.contact-inner p {
  color: var(--text-dim);
  max-width: 520px;
  margin: 0 auto 32px;
  font-size: 1.05rem;
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  color: var(--text-dim);
  font-size: 0.85rem;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-tag { font-family: "IBM Plex Mono", monospace; letter-spacing: 0.08em; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .grid.cards, .steps { grid-template-columns: repeat(2, 1fr); }
  .services { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 16px;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }

  .hero-stats { grid-template-columns: 1fr; gap: 16px; }
  .grid.cards, .steps { grid-template-columns: 1fr; }
  .hero { padding: 72px 0 64px; }
}