* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg-base: #0b0b10;
  --bg-elev: #12121a;
  --text: #f2f2f2;
  --muted: #9aa0a6;
  --accent: #5a6aff;
  --accent-2: #00d4ff;
  --card: rgba(20,20,28,0.65);
  --border: rgba(255,255,255,0.08);
  --shadow: 0 10px 40px rgba(0,0,0,0.45);
  --radius: 14px;
  --motion-scale: 1;
}

html, body { height: 100%; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, rgba(90,106,255,0.15), transparent),
              radial-gradient(900px 500px at 90% 10%, rgba(0,212,255,0.12), transparent),
              linear-gradient(180deg, #0b0b10, #111119 36%, #0c0c12);
  color: var(--text);
  overflow-x: hidden;
}

.container { max-width: 1180px; margin: 0 auto; padding: 24px 20px; }

/* Background effects */
.bg-vignette {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background: radial-gradient(1200px 800px at 50% 120%, rgba(0,0,0,0.55), transparent 60%),
              radial-gradient(1600px 1000px at -10% -10%, rgba(90,106,255,0.16), transparent 60%),
              radial-gradient(1600px 1000px at 110% -10%, rgba(0,212,255,0.14), transparent 60%);
}
.bg-grid {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px; opacity: 0.25; mask-image: radial-gradient(600px 600px at 50% 30%, black, transparent 70%);
}
.bg-blobs .blob { position: fixed; filter: blur(40px); opacity: 0.26; z-index: 0; border-radius: 50%; transform: translateZ(0); }
.bg-blobs .b1 { width: 420px; height: 420px; left: -140px; top: 140px; background: #5a6aff; animation: float 16s ease-in-out infinite; }
.bg-blobs .b2 { width: 360px; height: 360px; right: -120px; top: 220px; background: #00d4ff; animation: float 22s ease-in-out infinite; animation-delay: -4s; }
.bg-blobs .b3 { width: 280px; height: 280px; left: 40%; bottom: -120px; background: #8a2be2; animation: float 20s ease-in-out infinite; animation-delay: -8s; }
@keyframes float { 0%,100%{ transform: translateY(0) translateX(0); } 50% { transform: translateY(-24px) translateX(12px); } }

/* Nav */
.site-nav { position: sticky; top: 0; z-index: 10; background: linear-gradient(180deg, rgba(11,11,16,0.85), rgba(11,11,16,0.55) 60%, transparent); backdrop-filter: saturate(140%) blur(8px); border-bottom: 1px solid transparent; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { width: 28px; height: 28px; border-radius: 6px; box-shadow: 0 4px 16px rgba(90,106,255,0.4); }
.brand-name { font-weight: 700; letter-spacing: 0.2px; }
.nav-links { display: flex; gap: 18px; }
.nav-links a { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 14px; padding: 8px 10px; border-radius: 8px; transition: color .2s, background .2s; }
.nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.06); }

/* Hero */
.hero { position: relative; z-index: 1; padding: 80px 0 40px; text-align: center; }
.hero-title { font-size: clamp(36px, 6vw, 72px); font-weight: 800; letter-spacing: -0.02em; line-height: 1.05; margin: 12px auto 12px; max-width: 900px; }
.hero-title .accent { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero-sub { color: var(--muted); font-size: clamp(16px, 2vw, 20px); margin: 8px auto 26px; max-width: 760px; }
.hero-ctas { display: flex; gap: 12px; justify-content: center; align-items: center; margin: 10px 0 12px; }
.hero-meta { display: flex; gap: 10px; justify-content: center; align-items: center; margin-top: 10px; color: var(--muted); }
.badge { background: rgba(255,255,255,0.06); border: 1px solid var(--border); padding: 6px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; letter-spacing: 0.3px; }
.dot { width: 4px; height: 4px; background: rgba(255,255,255,0.4); border-radius: 50%; display: inline-block; }

.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 20px; border-radius: 12px; text-decoration: none; font-weight: 700; border: 1px solid transparent; transition: transform .15s ease, box-shadow .15s ease, background .15s ease; }
.btn-primary { background: linear-gradient(90deg, var(--accent), var(--accent-2)); color: #0b0b10; box-shadow: 0 10px 30px rgba(90,106,255,0.35); }
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 16px 44px rgba(90,106,255,0.45); }
.btn-ghost { color: var(--text); border-color: var(--border); background: rgba(255,255,255,0.04); }
.btn-ghost:hover { background: rgba(255,255,255,0.08); }

/* Features */
.features { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; padding: 40px 20px 60px; }
.feature-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); transition: transform .18s ease, border-color .18s ease, background .18s ease; }
.feature-card:hover { transform: translateY(-4px); border-color: rgba(90,106,255,0.45); background: rgba(24,24,32,0.7); }
.f-icon { font-size: 28px; margin-bottom: 10px; }
.feature-card h3 { font-size: 16px; margin-bottom: 6px; }
.feature-card p { font-size: 13px; color: var(--muted); line-height: 1.5; }

/* Highlight panel */
.highlight { padding: 20px; }
.panel { border-radius: 16px; border: 1px solid var(--border); background: linear-gradient(180deg, rgba(24,24,32,0.7), rgba(20,20,28,0.6)); box-shadow: var(--shadow); overflow: hidden; }
.panel-inner { padding: 28px 20px; text-align: center; }
.panel h2 { font-size: clamp(18px, 3vw, 24px); margin-bottom: 8px; }
.panel p { color: var(--muted); font-size: 14px; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); margin-top: 20px; background: linear-gradient(180deg, rgba(11,11,16,0.2), rgba(11,11,16,0.6)); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 22px 20px; }
.links { display: flex; gap: 16px; }
.links a { color: var(--muted); text-decoration: none; font-size: 13px; }
.links a:hover { color: var(--text); }

/* Responsive */
@media (max-width: 820px) {
  .hero { padding-top: 56px; }
  .footer-inner { flex-direction: column; }
}
@media (max-width: 520px) {
  .hero-ctas { flex-direction: column; }
}

/* Scroll reveal */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 420ms cubic-bezier(.22,1,.36,1), transform 420ms cubic-bezier(.22,1,.36,1); transition-delay: calc(var(--d, 0) * 80ms); will-change: opacity, transform; }
.reveal.in { opacity: 1; transform: none; }