:root {
  --bg: #0B1020;
  --bg-alt: #0F162B;
  --surface: #141C36;
  --border: rgba(255, 255, 255, 0.09);
  --text: #E8ECF6;
  --text-dim: rgba(232, 236, 246, 0.72);
  --cyan: #22D3EE;
  --violet: #8B5CF6;
  --grad: linear-gradient(135deg, var(--cyan), var(--violet));
  --radius: 14px;
  --max: 1160px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 0.6em; letter-spacing: -0.02em; }
p { margin: 0 0 1em; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: #fff; color: #000; padding: 8px 12px; border-radius: 8px; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 16, 32, 0.82);
  backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.25rem; letter-spacing: -0.02em; }
.brand-mark { width: 32px; height: 32px; }
.nav-menu { display: flex; align-items: center; gap: 28px; font-weight: 500; font-size: 0.95rem; }
.nav-menu a:not(.btn) { color: var(--text-dim); transition: color .2s; }
.nav-menu a:not(.btn):hover { color: var(--text); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; transition: transform .2s, opacity .2s; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 22px; border-radius: 999px;
  background: var(--grad); color: #0B1020; font-weight: 700;
  transition: transform .15s, box-shadow .2s;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 28px rgba(34, 211, 238, 0.25); }
.btn-sm { padding: 8px 16px; font-size: 0.9rem; }
.btn-lg { padding: 16px 30px; font-size: 1.1rem; }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.3); box-shadow: none; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 120px 0 110px; }
.hero-glow {
  position: absolute; inset: -30% -10% auto auto; width: 760px; height: 760px;
  background: radial-gradient(closest-side, rgba(139, 92, 246, 0.35), transparent),
              radial-gradient(closest-side, rgba(34, 211, 238, 0.25), transparent);
  background-position: 0 0, 160px 220px; background-repeat: no-repeat;
  filter: blur(20px); pointer-events: none;
}
.hero-inner { position: relative; max-width: 860px; margin-left: max(20px, calc((100% - var(--max)) / 2)); }
.eyebrow {
  text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.78rem; font-weight: 700;
  color: var(--cyan); margin-bottom: 14px;
}
.hero h1 { font-size: clamp(2.3rem, 5.6vw, 4rem); font-weight: 800; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--text-dim); max-width: 680px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin: 30px 0 40px; }
.hero-tags { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.hero-tags li {
  font-size: 0.85rem; color: var(--text-dim);
  border: 1px solid var(--border); border-radius: 999px; padding: 6px 14px;
  background: rgba(255, 255, 255, 0.03);
}

/* Sections */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 680px; margin-bottom: 48px; }
.section-head h2, .about h2, .contact h2 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); }
.section-head p:last-child { color: var(--text-dim); font-size: 1.08rem; }

.grid { display: grid; gap: 20px; }
.cards { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: transform .2s, border-color .2s;
}
.card:hover { transform: translateY(-3px); border-color: rgba(34, 211, 238, 0.35); }
.card h3 { font-size: 1.15rem; }
.card p { color: var(--text-dim); margin: 0; }
.icon {
  width: 44px; height: 44px; border-radius: 12px; margin-bottom: 18px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.16), rgba(139, 92, 246, 0.16));
}
.icon svg { width: 22px; height: 22px; fill: none; stroke: var(--cyan); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

.solutions { grid-template-columns: repeat(3, 1fr); }
.solution { padding: 24px 24px 22px; border-left: 2px solid; border-image: var(--grad) 1; background: rgba(255, 255, 255, 0.02); }
.solution h3 { font-size: 1.08rem; }
.solution p { color: var(--text-dim); margin: 0; }

.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: none; }
.steps li { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.step-num { display: inline-block; font-weight: 800; font-size: 1.6rem; margin-bottom: 10px; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.steps h3 { font-size: 1.15rem; }
.steps p { color: var(--text-dim); margin: 0; }

.about { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: start; }
.about p { color: var(--text-dim); font-size: 1.05rem; }
.values { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.values li { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; color: var(--text-dim); }
.values strong { color: var(--text); }

.contact { text-align: center; }
.contact-inner { max-width: 720px; }
.contact p { color: var(--text-dim); font-size: 1.1rem; margin-bottom: 28px; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 32px 0; color: var(--text-dim); font-size: 0.9rem; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; }
.footer-inner nav { display: flex; flex-wrap: wrap; gap: 20px; }
.footer-inner nav a:hover { color: var(--text); }
.footer-inner p { margin: 0; }
.brand-sm { font-size: 1.05rem; color: var(--text); }

/* Responsive */
@media (max-width: 960px) {
  .cards, .solutions { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .about { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 760px) {
  .nav-toggle { display: block; }
  .nav-menu {
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--border);
    padding: 8px 20px 20px; display: none;
  }
  .nav-menu.open { display: flex; }
  .nav-menu a:not(.btn) { padding: 14px 0; border-bottom: 1px solid var(--border); }
  .nav-menu .btn { margin-top: 16px; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero { padding: 80px 0 72px; }
  .section { padding: 72px 0; }
  .cards, .solutions, .steps { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}