:root {
  --bg: #0b0d17;
  --bg-soft: #11142180;
  --surface: #151827;
  --surface-2: #1b1f30;
  --text: #e8eaf2;
  --muted: #9aa0b8;
  --brand: #6c5ce7;
  --brand-2: #00d2ff;
  --border: #262a3d;
  --radius: 16px;
  --maxw: 1140px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

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

h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.4rem, 6vw, 4rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 650; }

.grad {
  background: linear-gradient(90deg, var(--brand) 0%, var(--brand-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--brand-2);
  margin-bottom: 12px;
}

/* Header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(11, 13, 23, 0.72);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { font-weight: 800; font-size: 1.3rem; letter-spacing: -0.03em; }
.brand span { color: var(--brand-2); }
.nav-links { list-style: none; display: flex; align-items: center; gap: 28px; }
.nav-links a { color: var(--muted); font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  color: #fff !important;
  padding: 9px 18px;
  border-radius: 999px;
  font-weight: 600;
}
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: 0.3s; }

/* Buttons */
.btn { display: inline-block; padding: 13px 26px; border-radius: 999px; font-weight: 600; transition: transform 0.15s, box-shadow 0.2s; }
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(90deg, var(--brand), var(--brand-2)); color: #fff; box-shadow: 0 10px 30px -10px var(--brand); }
.btn-ghost { border: 1px solid var(--border); color: var(--text); }
.btn-ghost:hover { border-color: var(--brand-2); }

/* Hero */
.hero { position: relative; overflow: hidden; padding: clamp(80px, 14vh, 160px) 0; }
.hero-inner { max-width: 820px; }
.hero-sub { color: var(--muted); font-size: 1.15rem; margin: 22px 0 32px; max-width: 620px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-glow {
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(108,92,231,0.35), transparent 60%);
  filter: blur(40px);
  pointer-events: none;
}

/* Sections */
.section { padding: clamp(64px, 10vh, 110px) 0; }
.section-dark { background: var(--surface); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 54px; }

/* Grid + cards */
.grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  transition: transform 0.2s, border-color 0.2s;
}
.card:hover { transform: translateY(-4px); border-color: var(--brand); }
.card-icon { font-size: 1.9rem; margin-bottom: 16px; }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--muted); }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat-num {
  display: block;
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 800;
  background: linear-gradient(90deg, var(--brand), var(--brand-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.stat-label { color: var(--muted); font-size: 0.95rem; }

/* Clients */
.logos { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.logo-chip {
  padding: 12px 26px;
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.02em;
  background: var(--surface-2);
}

/* About split */
.split { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; }
.split p { color: var(--muted); margin-top: 16px; }
.feature-list { list-style: none; display: grid; gap: 14px; }
.feature-list li {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--brand);
  border-radius: 10px;
  padding: 16px 18px;
  color: var(--muted);
}
.feature-list strong { color: var(--text); }

/* Contact */
.contact-inner { text-align: center; max-width: 620px; margin: 0 auto; }
.contact-inner p { color: var(--muted); margin: 14px 0 28px; }
.contact-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 30px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.footer-inner p { color: var(--muted); font-size: 0.9rem; }

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Responsive */
@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--border);
    max-height: 0; overflow: hidden; transition: max-height 0.3s ease;
  }
  .nav-links.open { max-height: 360px; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 14px 24px; }
  .grid-3 { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}