:root{
  --bg:#070b10; --ink:#eaf2fb; --muted:#9fb3c8;
  --accent:#00E0FF; --line:rgba(255,255,255,.10);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);
  font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif}
a{color:var(--accent);text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:0 18px}
.section{padding:56px 0;border-top:1px solid var(--line)}
.title{color:var(--accent);font-weight:800;font-size:20px;margin-bottom:10px;letter-spacing:.06em}
.underline{width:160px;height:2px;background:var(--accent);border-radius:2px;margin-bottom:18px}
.card{background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.01));border:1px solid var(--line);border-radius:16px;padding:20px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width: 980px){ .grid{grid-template-columns:1fr} }
ul{margin:0;padding-left:18px;line-height:1.75}
p{line-height:1.75;color:#c8d6e5}

.nav{position:sticky;top:0;background:rgba(7,11,16,.78);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);z-index:10}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0;gap:12px;flex-wrap:wrap}
.brandwrap{display:flex;flex-direction:column;gap:6px}
.brand{font-weight:900;letter-spacing:.14em;font-size:20px;color:var(--accent)}
.brand-underline{width:120px;height:2px;background:var(--accent);border-radius:2px}

.hero{padding:46px 0 20px}
h1{font-size:38px;line-height:1.12;margin:0 0 12px 0;font-weight:900}
.sub1{font-size:18px;color:var(--muted);margin:6px 0 0 0}
.sub2{font-size:15px;color:#b0bec5;margin:10px 0 0 0}

.hero-cta{margin-top:18px;display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:11px 15px;border-radius:12px;border:1px solid var(--line);
  background:linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.00));color:var(--ink)}
.btn.primary{border-color:rgba(0,224,255,.6);box-shadow:0 0 18px rgba(0,224,255,.12)}

.columns{display:grid;grid-template-columns:1.15fr .85fr;gap:18px;align-items:center}
@media (max-width: 980px){ .columns{grid-template-columns:1fr} }

.hero-visual .imgframe{border-radius:16px;overflow:hidden;border:1px solid var(--line);
  background:rgba(255,255,255,.02);box-shadow:0 10px 36px rgba(0,0,0,.42)}
.hero-visual img{width:100%;height:auto;display:block}
.imgcap{color:var(--muted);font-size:12px;margin-top:6px;text-align:center}

.figure{border:1px solid var(--line);border-radius:16px;overflow:hidden}
.figure img{width:100%;height:auto;display:block}

.footer{padding:30px 0;border-top:1px solid var(--line);color:#b0bec5;font-size:13px;text-align:center}

/* Mobile polish */
@media (max-width:720px){
  h1{font-size:28px}
  .hero{padding:28px 0 10px}
  .card{padding:16px}
  .brand{font-size:18px}
  .brand-underline{width:100px}
}