:root{
  --brand:#d4af37; --brand2:#ffd700;
  --text:#0b1a1f; --muted:#7a8a95;
  --radius:18px; --shadow:0 12px 40px rgba(0,0,0,.25);
}
*{box-sizing:border-box} img{max-width:100%;height:auto;display:block}
html{scroll-behavior:smooth}
body{
  margin:0; color:#f7f9fb; font:16px/1.6 system-ui, Segoe UI, Roboto, Inter, Arial;
  background: url('https://gas25.com/assets/background.jpg') center/cover no-repeat fixed; /* ganti gambar di sini */
}
.container{max-width:1180px;margin:0 auto;padding:0 20px}
.header{position:sticky;top:0;z-index:40;background:linear-gradient(135deg, rgba(0,0,0,.92), rgba(58,45,15,.82));backdrop-filter:blur(8px);border-bottom:1px solid rgba(212,175,55,.35)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:.2px}
.brand img{height:64px;width:auto;filter:drop-shadow(0 2px 6px rgba(0,0,0,.35))}
@media(max-width:640px){ .brand img{height:42px} }
.menu a{color:#fff;text-decoration:none;padding:8px 12px;border:1px solid rgba(212,175,55,.35);border-radius:999px;margin-left:8px}
.menu a:hover{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#111;border-color:transparent}
.hero{position:relative;isolation:isolate;padding:56px 0;text-align:left}
.hero .lead{color:#eaf1ff}
.btn{display:inline-block;padding:12px 18px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#111;text-decoration:none;font-weight:800;box-shadow:0 10px 24px rgba(212,175,55,.35);margin-right:10px}
.btn.ghost{background:transparent;color:#ffd700;border:1px solid rgba(212,175,55,.6)}
.section{padding:30px 0}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:940px){ .grid3{grid-template-columns:1fr} }
.card{position:relative;background:linear-gradient(135deg,#000,#1a1a1a,#3a2d0f,#d4af37,#ffd700);color:#fff;border:none;border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.badge-discount{position:absolute;top:12px;left:12px;background:#e11d48;color:#fff;padding:4px 8px;border-radius:8px;font-weight:700;font-size:12px}
.badge-sold{position:absolute;bottom:12px;right:12px;background:rgba(0,0,0,.7);color:#ffd700;padding:4px 8px;border-radius:8px;font-weight:700;font-size:12px}
.product-hero img{border-radius:14px;border:1px solid rgba(212,175,55,.45);box-shadow:var(--shadow)}
.muted{color:#e0e6ee}
.breadcrumb a{color:#ffe082;text-decoration:none}
.review{display:grid;grid-template-columns:56px 1fr;gap:12px;align-items:start}
.review img{width:56px;height:56px;border-radius:50%;object-fit:cover;border:2px solid #ffd700}
.review .meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.review .meta .name{font-weight:700}
.review .meta .date{font-size:12px;opacity:.9}
footer{background:#0d0d0d;color:#d9d9d9;border-top:1px solid rgba(212,175,55,.35);margin-top:34px}
footer .foot{display:flex;align-items:center;justify-content:space-between;padding:18px 0}
h1{font-size:40px;margin:0 0 10px;color:#fff;text-shadow:0 2px 6px rgba(0,0,0,.45)}
h2,h3,h4,h5{color:#fff}