:root{
  --bg:#0a1024; --bg-soft:#0e1736; --card:#0f1c44;
  --muted:#a7b3ff; --text:#eef2ff; --text-dim:#bfc7ff;
  --primary:#4169ff; --primary-2:#6ea3ff; --accent:#19c1ff;
  --ok:#58ffa3; --warn:#ffd86a;
  --radius:16px; --gap:16px; --shadow:0 12px 32px rgba(0,0,0,.35);
  --gradient: conic-gradient(from 180deg at 50% 50%, #1937ff 0deg, #00d1ff 90deg, #4169ff 180deg, #00f0ff 270deg, #1937ff 360deg);
}
*{box-sizing:border-box}
html,body{
  margin:0;padding:0;
  background:
    radial-gradient(1200px 600px at 10% -10%, #142260 0%, transparent 60%),
    radial-gradient(1000px 600px at 120% 0%, #0b1d5f 0%, transparent 60%),
    var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:1160px;margin-inline:auto;padding-inline:20px}

/* NAV */
.nav{position:sticky;top:0;z-index:60;background:linear-gradient(to bottom, rgba(10,16,36,.9), rgba(10,16,36,.65) 60%, transparent);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 10px}
.brand{display:flex;gap:10px;align-items:center;font-weight:900;letter-spacing:.3px}
.logo{width:30px;height:30px;border-radius:10px;background:var(--gradient);box-shadow:0 0 0 2px rgba(255,255,255,.08) inset}
.nav-links{display:none;gap:16px;align-items:center}
.btn{display:inline-flex;gap:8px;align-items:center;justify-content:center;padding:12px 16px;border-radius:12px;border:1px solid rgba(255,255,255,.1);text-decoration:none;font-weight:800}
.btn-primary{background:linear-gradient(135deg, var(--primary), var(--accent)); color:#07122e; box-shadow:0 10px 22px rgba(65,105,255,.35)}
.btn-ghost{background:transparent;color:var(--text)}
.hamburger{appearance:none;background:transparent;border:1px solid rgba(255,255,255,.2);width:40px;height:40px;border-radius:10px;display:grid;place-items:center;color:#fff}
.menu{display:none; padding:10px 0; border-top:1px solid rgba(255,255,255,.08)}
.menu a{display:block;padding:12px 14px;border-radius:10px}

/* HERO */
.hero{position:relative;overflow:hidden}
.hero::before{content:""; position:absolute; inset:-20%; background:radial-gradient(closest-side, rgba(0,209,255,.25), transparent 70%); filter:blur(40px); transform:translate(10%, -20%); pointer-events:none;}
.hero-inner{display:grid;grid-template-columns:1fr;gap:24px;align-items:center;padding:32px 10px 8px}
.kicker{color:var(--muted);text-transform:uppercase;letter-spacing:.24em;font-size:.8rem}
.headline{font-size: clamp(1.8rem, 7vw, 3.2rem); line-height:1.05; margin:.35rem 0 10px; font-weight:900}
.accent-text{background:linear-gradient(90deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.sub{color:var(--text-dim); font-size: clamp(1rem,3.6vw,1.15rem)}
.hero-cta{display:grid;grid-template-columns:1fr;gap:10px;margin-top:14px}
.hero-card{background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)); border:1px solid rgba(255,255,255,.08); border-radius:var(--radius); padding:16px; box-shadow:var(--shadow); margin-top:14px}
.stat{display:flex;gap:10px;align-items:center;color:var(--muted);font-weight:700}
.stat .dot{width:8px;height:8px;border-radius:999px;background:var(--ok);box-shadow:0 0 10px rgba(88,255,163,.7)}

/* SECTIONS */
.section{padding:28px 0}
.section h2{font-size: clamp(1.3rem,5.2vw,2rem);margin:0 0 12px}
.muted{color:var(--text-dim)}

/* HIGHLIGHTS */
.hi{display:grid;grid-template-columns:1fr;gap:var(--gap)}
.hi .item{display:flex;gap:12px;padding:16px;border-radius:14px;background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015)); border:1px solid rgba(255,255,255,.1)}

/* GRID PRODUK */
.grid{display:grid;gap:var(--gap)}
.grid.cols-1{grid-template-columns:1fr}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.card{background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)); border:1px solid rgba(255,255,255,.09); border-radius:var(--radius); box-shadow:var(--shadow); overflow:hidden}
.card-head{position:relative}
.tag{position:absolute;top:12px;left:12px;background:rgba(0,0,0,.45);border:1px solid rgba(255,255,255,.25); color:#fff; font-size:.75rem; padding:6px 10px; border-radius:999px; backdrop-filter:blur(6px)}
.media{aspect-ratio:16/9; object-fit:cover; width:100%; background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02))}
.card-body{padding:16px}
.pill{display:inline-flex; align-items:center; gap:6px; font-size:.85rem; color:var(--muted); background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.1); padding:6px 10px; border-radius:999px}
.price{display:flex;align-items:baseline;gap:6px;margin-top:6px}
.price b{font-size:1.25rem}
.actions{display:grid;grid-template-columns:1fr;gap:10px;margin-top:12px}

/* MARQUEE */
.marquee{display:flex;gap:12px;overflow:auto;scroll-snap-type:x mandatory;padding-bottom:6px}
.review{flex:0 0 320px; scroll-snap-align:start; background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)); border:1px solid rgba(255,255,255,.08); border-radius:14px; padding:16px}

/* FAQ */
details{background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)); border:1px solid rgba(255,255,255,.08); padding:14px 16px; border-radius:12px}
details + details{margin-top:10px}
summary{cursor:pointer;font-weight:800;list-style:none}
summary::-webkit-details-marker{display:none}
.fine{font-size:.9rem;color:var(--muted)}

/* FOOTER & STICKY CTA */
footer{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;color:var(--muted);font-size:.95rem}
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:55;padding:max(10px, env(safe-area-inset-bottom));background:linear-gradient(180deg, rgba(11,20,64,0), rgba(11,20,64,.92) 30%, rgba(11,20,64,.96));backdrop-filter:saturate(140%) blur(8px); border-top:1px solid rgba(255,255,255,.08)}
.sticky-inner{display:grid;grid-template-columns:1fr;gap:10px}

/* Desktop upgrades */
@media (min-width:960px){
  .nav-links{display:flex}
  .hamburger{display:none}
  .menu{display:block !important; position:static; padding:0; border:0}
  .menu a{display:inline-flex;padding:10px 12px}
  .hero-inner{grid-template-columns:1.15fr .85fr;gap:36px;padding:56px 10px 28px}
  .hero-cta{grid-template-columns:auto auto}
  .grid.cols-4{grid-template-columns:repeat(4,1fr)}
  .sticky-cta{display:none}
}

/* focus a11y */
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:10px}