*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui;background:#0b1220;color:#e5e7eb;line-height:1.6}
a{text-decoration:none;color:inherit}
.container{max-width:1100px;margin:auto;padding:0 20px}

.nav{position:sticky;top:0;background:#0b1220cc;backdrop-filter:blur(8px);border-bottom:1px solid #1f2a44;z-index:50}
.nav-inner{display:flex;justify-content:space-between;align-items:center;padding:16px 0}
.logo{font-weight:800;font-size:20px}
.logo span{color:#3b82f6}
nav a{margin-left:18px;font-weight:600}

.hero{padding:80px 0}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
h1{font-size:52px;line-height:1.05}
h1 span{background:linear-gradient(90deg,#3b82f6,#22d3ee);-webkit-background-clip:text;color:transparent}
.subtitle{color:#94a3b8;font-size:18px}

.btn{display:inline-block;padding:12px 18px;border-radius:10px;background:linear-gradient(135deg,#3b82f6,#22d3ee);color:#fff;font-weight:700}
.btn.ghost{background:none;border:1px solid #334155}
.cta a{margin-right:12px}

.hero-card{background:#111827;border:1px solid #1f2a44;border-radius:16px;padding:16px}
.chat{padding:10px;border-radius:10px;margin-bottom:10px}
.chat.user{background:#1e293b}
.chat.ai{background:#0f172a}
.actions span{display:inline-block;margin-right:10px;font-size:12px;color:#60a5fa}

.section{padding:80px 0}
.section.dark{background:#020617}
.lead{color:#cbd5f5;font-size:18px}

.vision-grid,.platform-grid,.use-grid{display:grid;gap:20px}
.vision-grid{grid-template-columns:repeat(3,1fr)}
.platform-grid{grid-template-columns:repeat(4,1fr)}
.use-grid{grid-template-columns:repeat(4,1fr)}

.card{background:#0b1220;border:1px solid #1f2a44;border-radius:14px;padding:20px}

/* Decision Flow Styles */
.flow-header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.flow-cta{display:flex;gap:10px}
.flow{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:16px;padding-top:30px}
.flow-svg{position:absolute;top:0;left:0;width:100%;height:180px;pointer-events:none}
.path{stroke-dasharray:8 10;opacity:.6}
.path.animate{animation:dash 10s linear infinite}
@keyframes dash{from{stroke-dashoffset:0}to{stroke-dashoffset:-400}}

.flow-step{background:#0b1220;border:1px solid #1f2a44;border-radius:14px;padding:16px;box-shadow:0 10px 24px rgba(0,0,0,.25);opacity:0;transform:translateY(18px)}
.flow-step.animate{opacity:1;transform:none;animation:fadeUp .8s ease-out both}
.flow-step[data-step="1"].animate{animation-delay:.2s}
.flow-step[data-step="2"].animate{animation-delay:.6s}
.flow-step[data-step="3"].animate{animation-delay:1.0s}
.flow-step[data-step="4"].animate{animation-delay:1.4s}
.flow-step[data-step="5"].animate{animation-delay:1.8s}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

.flow-chip{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:999px;background:linear-gradient(135deg,#3b82f6,#22d3ee);font-weight:800;margin-bottom:8px}
.flow-step h3{margin:.2rem 0 .4rem}

/* Contact */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:500px}
.contact button{grid-column:1/-1}
.contact input{padding:12px;border-radius:10px;border:1px solid #334155;background:#020617;color:#e5e7eb}

.footer{border-top:1px solid #1f2a44;padding:30px 0;color:#94a3b8;text-align:center}

@media(max-width:1100px){.platform-grid{grid-template-columns:repeat(2,1fr)}.use-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){.hero-grid,.vision-grid{grid-template-columns:1fr}.use-grid{grid-template-columns:1fr}.flow{grid-template-columns:1fr 1fr}.flow-svg{display:none}}
@media(max-width:560px){.flow{grid-template-columns:1fr}}