:root{
  --bg:#0b1220; --card:#101828; --muted:#94a3b8; --text:#e2e8f0; --accent:#00B4D8; --primary:#2563eb; --border:#1f2937; --white:#ffffff;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:#0d1b2a;color:var(--text);font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif;line-height:1.6}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
.container{width:min(1100px,92%);margin:0 auto}
.center{text-align:center}
.muted{color:var(--muted)}

.site-header{position:sticky;top:0;background:rgba(13,27,42,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.logo{font-weight:800;font-size:1.2rem;color:var(--white)}
.logo span{color:var(--accent)}
.nav{display:flex;gap:18px;align-items:center}
.nav a{color:var(--text);opacity:.9}
.nav .btn{margin-left:8px}
.hamburger{display:none;background:none;border:0;cursor:pointer}
.hamburger span{display:block;width:24px;height:2px;background:var(--text);margin:5px 0}

.btn{display:inline-block;padding:10px 16px;border-radius:999px;border:1px solid var(--border);background:#0f172a;color:var(--text)}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--primary);border-color:transparent;color:#fff}
.btn-ghost{background:transparent;border-color:var(--border)}

.hero{padding:64px 0;background:linear-gradient(180deg,rgba(0,180,216,.1),transparent)}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}
.hero-copy h1{font-size:2.6rem;line-height:1.1;margin:0 0 10px}
.hero-copy .accent{color:var(--accent)}
.hero-points{list-style:disc;margin-left:20px;color:var(--muted)}
.hero-visual{height:320px;position:relative}
.chart-card,.ai-card{position:absolute;inset:auto;width:70%;height:70%;background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:0 10px 30px rgba(0,0,0,.2)}
.chart-card{top:0;right:0}
.ai-card{bottom:-10px;left:0}

.section{padding:56px 0}
.section.alt{background:#0c1726}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--border);padding:18px;border-radius:16px;color:var(--text)}
.card .link{display:inline-block;margin-top:8px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}

.features h3{margin-top:0}
.case-highlight{display:grid;grid-template-columns:1fr;gap:12px;background:var(--card);border:1px solid var(--border);padding:20px;border-radius:16px}

.page-hero{padding:48px 0;background:linear-gradient(180deg,rgba(37,99,235,.12),transparent);border-bottom:1px solid var(--border)}
.page-hero .lead{color:var(--muted)}

.checklist{list-style:none;padding-left:0}
.checklist li{padding-left:26px;position:relative;margin:8px 0}
.checklist li::before{content:"✓";position:absolute;left:0;color:#10b981}

.article{padding:42px 0}
.article h1{margin-top:0}
.post-cta{margin-top:22px}

.contact-form label{display:block;margin:10px 0}
.contact-form input,.contact-form textarea{width:100%;padding:10px;border-radius:10px;border:1px solid var(--border);background:#0b1324;color:var(--text)}

.inline-form{display:flex;gap:8px}
.inline-form input{flex:1;padding:10px;border-radius:999px;border:1px solid var(--border);background:#0b1324;color:var(--text)}

.site-footer{background:#0b1220;border-top:1px solid var(--border);padding:30px 0}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:10px}
.socials a{margin-left:10px;color:var(--muted)}

@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(1,1fr)}
  .grid-2{grid-template-columns:1fr}
  .nav{display:none;position:absolute;top:60px;right:4%;background:#0b1220;border:1px solid var(--border);border-radius:12px;padding:12px;flex-direction:column}
  .hamburger{display:block}
}