:root{
  --bg:#0f1226;
  --card:#15183a;
  --ink:#e9ecff;
  --muted:#aab1ff;
  --brand:#6d8bff;
  --brand-2:#7df3ff;
  --ok:#35d399;
  --warn:#ffd166;
  --danger:#ff6b6b;
  --shadow: 0 10px 30px rgba(0,0,0,.3);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; font:15px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Arial;
  color:var(--ink); background:
    radial-gradient(1200px 600px at 10% -10%, rgba(125,243,255,.18), transparent 60%),
    radial-gradient(1200px 600px at 110% 10%, rgba(109,139,255,.18), transparent 60%),
    linear-gradient(180deg, #0b0d20, #0f1226 30%);
}
a{color:inherit}

/* NAVBAR */
.nav{
  position:sticky; top:0; z-index:50;
  backdrop-filter:saturate(140%) blur(8px);
  background:rgba(10,12,28,.65);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.nav .wrap{display:flex; align-items:center; gap:14px; padding:12px 20px; max-width:1100px; margin:0 auto}
.brand{display:flex; align-items:center; gap:10px; font-weight:700}
.brand .logo{width:28px; height:28px; display:grid; place-items:center; border-radius:8px; background:linear-gradient(135deg,var(--brand),var(--brand-2)); box-shadow:var(--shadow)}
.nav a{opacity:.9; text-decoration:none}
.nav .spacer{flex:1}
.nav .links a{margin-left:16px; padding:6px 10px; border-radius:8px}
.nav .links a:hover{background:rgba(255,255,255,.06)}

/* LAYOUT */
section{padding:70px 20px}
.container{max-width:1100px; margin:0 auto}

/* HERO */
.hero{padding:90px 20px 70px; text-align:center}
.hero h1{font-size:42px; line-height:1.15; margin:0 0 10px}
.hero p{color:var(--muted); margin:0 auto 24px; max-width:720px}
.cta{display:inline-flex; gap:12px}
.btn{appearance:none; border:0; cursor:pointer; padding:12px 18px; border-radius:12px; font-weight:700}
.btn.primary{background:linear-gradient(135deg,var(--brand),var(--brand-2)); color:#0b0d20; box-shadow:var(--shadow)}
.btn.ghost{background:transparent; color:var(--ink); border:1px solid rgba(255,255,255,.16)}
.btn:hover{transform:translateY(-1px)}

/* FEATURES */
.grid{display:grid; gap:16px}
.features .grid{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card); border:1px solid rgba(255,255,255,.06); border-radius:16px; padding:16px; box-shadow:var(--shadow)}
.card h3{margin:8px 0 6px}
.tag{display:inline-block; padding:3px 8px; border-radius:999px; font-size:12px; color:#0b0d20; background:var(--brand-2); font-weight:700}
.tag-ok{background:var(--ok); color:#0b0d20}
.tag-warn{background:var(--warn); color:#0b0d20}
h2{margin:6px 0 14px}

/* GALLERY */
.gallery .grid{grid-template-columns:repeat(3,1fr)}
.img{
  aspect-ratio:4/3; border-radius:14px; background:#0c1027;
  background-image:linear-gradient(135deg, rgba(125,243,255,.25), rgba(109,139,255,.25));
  display:grid; place-items:center; color:rgba(255,255,255,.8); font-weight:700;
  border:1px solid rgba(255,255,255,.06)
}
.note{color:var(--muted); margin-top:12px}

/* FAQ */
details{background:var(--card); border:1px solid rgba(255,255,255,.08); padding:14px 16px; border-radius:14px}
details+details{margin-top:10px}
summary{cursor:pointer; font-weight:700}
details p{margin:10px 0 0; color:var(--muted)}

/* CONTACT */
form{display:grid; gap:10px}
input, textarea{
  width:100%; background:#0e1230; color:var(--ink);
  border:1px solid rgba(255,255,255,.12); border-radius:10px; padding:12px
}
label{font-size:13px; color:var(--muted)}

/* FOOTER */
footer{padding:24px 20px; color:var(--muted); border-top:1px solid rgba(255,255,255,.06); text-align:center}

/* UTIL */
.kicker{letter-spacing:.2em; text-transform:uppercase; font-size:12px; color:var(--brand-2)}
.row{display:flex; gap:12px; align-items:center}
.pill{padding:6px 10px; border:1px solid rgba(255,255,255,.16); border-radius:999px}
.mt-2{margin-top:8px} .mt-3{margin-top:14px} .mt-4{margin-top:22px}

@media (max-width: 900px){
  .features .grid, .gallery .grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:34px}
  .nav .links{display:none}
}
@media (max-width: 560px){
  .features .grid, .gallery .grid{grid-template-columns:1fr}
  .hero h1{font-size:28px}
}