:root{
  --bg:#0b1020; --bg2:#0e142a; --card:#141b30; --card2:#1a2238;
  --ink:#e8ecf5; --muted:#9aa6c0; --line:#222c47;
  --brand:#4f8cff; --brand2:#7aa2ff; --good:#2fbf71; --warn:#f5a524;
  --radius:14px;
}
*{box-sizing:border-box}
html{color-scheme:dark}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.55}
a{color:var(--brand2);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1120px;margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}

/* nav */
.nav{position:sticky;top:0;z-index:20;background:rgba(11,16,32,.86);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav .container{display:flex;align-items:center;gap:18px;height:62px}
.brand{font-weight:800;font-size:1.25rem;letter-spacing:-.02em;color:var(--ink)}
.brand b{color:var(--brand2)}
.nav .spacer{flex:1}
.nav a.link{color:var(--muted);font-weight:600;font-size:.95rem}
.nav a.link:hover{color:var(--ink);text-decoration:none}
.btn{display:inline-block;border:0;cursor:pointer;font-weight:700;border-radius:10px;
  padding:.6rem 1.05rem;font-size:.95rem;background:var(--brand);color:#fff;transition:.15s}
.btn:hover{background:#3f78e6;text-decoration:none}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--ink)}
.btn.ghost:hover{border-color:var(--brand)}
.btn.sm{padding:.4rem .7rem;font-size:.85rem}

/* hero */
.hero{background:radial-gradient(1200px 500px at 70% -10%,#1a2750 0,transparent 60%),linear-gradient(180deg,#0e142a,#0b1020);
  border-bottom:1px solid var(--line);padding:64px 0 56px}
.hero h1{font-size:2.7rem;line-height:1.1;margin:.2rem 0 .6rem;letter-spacing:-.025em}
.hero p.lead{color:var(--muted);font-size:1.15rem;max-width:640px}
.tag{display:inline-block;color:var(--brand2);font-weight:700;text-transform:uppercase;letter-spacing:.14em;font-size:.74rem;margin-bottom:.5rem}

/* search */
.search{display:flex;gap:10px;margin-top:24px;max-width:620px}
.search input{flex:1}
input,select,textarea{width:100%;background:var(--card);border:1px solid var(--line);color:var(--ink);
  border-radius:10px;padding:.62rem .8rem;font-size:.98rem;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--brand)}
label{display:block;font-weight:600;font-size:.85rem;color:var(--muted);margin:.6rem 0 .25rem}

/* sections */
section{padding:40px 0}
h2.section{font-size:1.4rem;margin:0 0 18px}

/* grid + cards */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.listing-card{display:block;color:var(--ink);transition:.15s}
.listing-card:hover{border-color:var(--brand);transform:translateY(-2px);text-decoration:none}
.listing-card .thumb{aspect-ratio:16/10;background:linear-gradient(135deg,#1a2238,#0e142a);
  display:flex;align-items:center;justify-content:center;color:#46517a;font-size:.85rem}
.listing-card .thumb img{width:100%;height:100%;object-fit:cover}
.listing-card .body{padding:14px 16px}
.listing-card .title{font-weight:700}
.listing-card .sub{color:var(--muted);font-size:.85rem;margin:.15rem 0 .5rem}
.listing-card .price{color:var(--brand2);font-weight:800}
.badge{display:inline-block;background:#23314f;color:var(--brand2);font-size:.72rem;font-weight:700;
  padding:.18rem .5rem;border-radius:6px;text-transform:uppercase;letter-spacing:.05em}
.badge.good{background:#163a2a;color:#5fe0a0}

/* detail */
.detail{display:grid;grid-template-columns:1.5fr 1fr;gap:28px;padding:36px 0}
@media(max-width:820px){.detail{grid-template-columns:1fr}.hero h1{font-size:2.1rem}}
.gallery .main{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius);background:#0e142a}
.gallery .strip{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}
.gallery .strip img{width:84px;height:60px;object-fit:cover;border-radius:8px;cursor:pointer;border:1px solid var(--line)}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.panel h3{margin:.1rem 0 .8rem;font-size:1.05rem}
.kv{display:flex;justify-content:space-between;padding:.35rem 0;border-bottom:1px solid var(--line);font-size:.92rem}
.kv:last-child{border-bottom:0}
.kv span:first-child{color:var(--muted)}
.bigprice{font-size:1.8rem;font-weight:800;color:var(--brand2);margin:.2rem 0 1rem}

/* forms / layout helpers */
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
@media(max-width:680px){.row2,.row3{grid-template-columns:1fr}}
.formcard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;max-width:760px}
.note{background:#15233f;border:1px solid #2b3e63;border-radius:10px;padding:.7rem .9rem;font-size:.9rem;color:#bcd0f5}
.err{color:#ff8a8a;font-size:.85rem;margin-top:.3rem}
.inline{display:flex;gap:10px;align-items:flex-end}
table.list{width:100%;border-collapse:collapse}
table.list th,table.list td{text-align:left;padding:.6rem .5rem;border-bottom:1px solid var(--line);font-size:.92rem}
table.list th{color:var(--muted);font-weight:600}

/* footer */
footer{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:.9rem;margin-top:30px}
footer .container{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
footer .spacer{flex:1}