:root {
  --bg: #0a0a0a;
  --panel: rgba(30, 41, 59, 0.55);
  --line: rgba(255, 255, 255, 0.08);
  --txt: #ffffff;
  --muted: #a1a1a1;
  --cyan: #00d4ff;
  --violet: #a490c2;
  --blue: #0066ff;
  --accent: #00d4ff;
  --accent-hover: #66e6ff;
  --radius: 14px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Space Grotesk", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--txt);
  background: radial-gradient(900px 420px at 18% 8%, rgba(0, 212, 255, 0.16), transparent 55%),
              radial-gradient(860px 520px at 86% 14%, rgba(124, 58, 237, 0.2), transparent 55%),
              linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #0a0a0a 100%);
  min-height: 100vh;
}
.container { max-width: 1152px; margin: 0 auto; padding: 0 16px; }
.nav { display:flex; justify-content:space-between; align-items:center; padding:14px 0; border-bottom:1px solid var(--line); }
.brand { color:#fff; text-decoration:none; font-family:"Space Grotesk", sans-serif; font-weight:700; }
.nav-links a { color: var(--muted); text-decoration:none; margin-left: 16px; }
.nav-links a:hover { color: #cfefff; }

.section { border-bottom: 1px solid var(--line); background: rgba(15, 23, 42, 0.45); }
.hero { min-height: 85vh; display:flex; align-items:center; position: relative; overflow: hidden; }
.hero-bg-gradient {
  position: absolute;
  inset: 0;
  opacity: .95;
  background-image: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #0a0a0a 100%);
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite;
  z-index: 0;
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0, 102, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 102, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  animation: gridDrift 20s linear infinite;
}
.hero-glow {
  position: absolute;
  border-radius: 999px;
  filter: blur(50px);
  z-index: 0;
  animation: glowPulse 3s ease-in-out infinite;
}
.hero-glow.a {
  top: 18%;
  left: 16%;
  width: 260px;
  height: 260px;
  background: rgba(0, 102, 255, 0.18);
}
.hero-glow.b {
  bottom: 14%;
  right: 12%;
  width: 340px;
  height: 340px;
  background: rgba(124, 58, 237, 0.2);
  animation-delay: 1s;
}
.hero-content { position: relative; z-index: 1; width: 100%; }
.hero-copy { max-width: 42rem; }
.hero-graphic {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 100%;
  max-width: 760px;
  height: 70vh;
  max-height: 520px;
  pointer-events: none;
  opacity: .9;
  z-index: 0;
  display: none;
}
.preview-card { border:1px solid var(--line); border-radius:12px; background: rgba(30,41,59,.6); overflow: hidden; }
.preview-frame {
  position: relative;
  width: 100%;
  min-height: 220px;
  aspect-ratio: 16 / 9;
  background: rgba(15,23,42,.8);
  display: flex;
  align-items: center;
  justify-content: center;
}
.preview-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}
.preview-empty {
  font-size: 14px;
  color: #64748b;
  text-align: center;
  padding: 0 16px;
}
.preview-caption {
  border-top: 1px solid rgba(255,255,255,.05);
  padding: 12px 16px;
  font-size: 14px;
  color: var(--muted);
}
.eyebrow { font-family:"JetBrains Mono", ui-monospace, monospace; font-size:12px; letter-spacing:.2em; text-transform:uppercase; color: rgba(0,212,255,.9); margin-bottom: 14px; }
h1, h2, h3 { font-family:"Space Grotesk", sans-serif; color:#fff; margin: 0; }
h1 { font-size: 3.75rem; line-height: 1.05; letter-spacing: -0.02em; }
h1 .grad { background: linear-gradient(90deg, #00d4ff, #a490c2); -webkit-background-clip:text; background-clip:text; color: transparent; }
p { color: var(--muted); line-height: 1.6; margin: 0; }
.hero-lead { margin-top: 1.5rem; font-size: 1.125rem; color: #cbd5e1; max-width: 40rem; }
.hero-sub { margin-top: .75rem; font-size: 1rem; color: #94a3b8; max-width: 40rem; }
.mt-1 { margin-top: 8px; } .mt-2 { margin-top: 14px; } .mt-3 { margin-top: 20px; } .mt-4 { margin-top: 28px; }
.py-xl { padding: 64px 0; } .py-lg { padding: 56px 0; }

.actions { display:flex; gap: 12px; flex-wrap: wrap; margin-top: 2.5rem; }
.btn { display:inline-block; text-decoration:none; border-radius: var(--radius); padding: 12px 18px; border:1px solid var(--line); background: rgba(15, 23, 42, 0.55); color: #e6edf7; transition: transform 120ms ease, border-color 160ms ease; }
.btn:hover { transform: translateY(-1px); border-color: rgba(0, 212, 255, 0.45); }
.btn-primary { background: linear-gradient(135deg, var(--accent), rgba(124, 58, 237, 0.72)); border-color: rgba(139, 92, 246, 0.9); color:#fff; font-weight:700; }
.btn-primary:hover { border-color: rgba(0, 212, 255, 0.55); }
.btn-secondary { color:#cbd5e1; }

.grid-2 { display:grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 14px; }
.grid-3 { display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
.grid-4 { display:grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 14px; }
.card { border:1px solid var(--line); border-radius:12px; background: var(--panel); padding: 16px; }
.badge { display:inline-flex; width:42px; height:42px; border-radius:10px; align-items:center; justify-content:center; font-family:"JetBrains Mono", ui-monospace, monospace; border:1px solid rgba(255,255,255,.18); }
.small { font-size: 14px; }
.tiny { font-size: 13px; }

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
@keyframes glowPulse {
  0%, 100% { opacity: .55; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.06); }
}
@keyframes gridDrift {
  from { background-position: 0 0, 0 0; }
  to { background-position: 48px 48px, 48px 48px; }
}

@media (max-width: 980px) {
  h1 { font-size: 2.25rem; }
  .hero { min-height: 72vh; }
  .hero-lead { font-size: 1.05rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}
@media (min-width: 1024px) {
  .hero-graphic { display: block; }
}