/* emshihab etalase: dark glass, aksen cyan/magenta dipakai hemat di titik fokus */
:root{
  --bg:#05060a;
  --bg2:#0b0f19;
  --panel:rgba(255,255,255,.045);
  --line:rgba(255,255,255,.10);
  --text:#eef1fb;
  --mute:#a7b0c6;
  --cyan:#00f0ff;
  --magenta:#d946ef;
  --violet:#8b5cf6;
  --radius:18px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  padding-bottom:84px; /* ruang untuk mobile-bar */
}
img{max-width:100%;display:block}
a{color:var(--cyan)}
h1,h2,h3{line-height:1.2;letter-spacing:-.01em}
h2{font-size:1.7rem;margin-bottom:1.1rem}
h3{font-size:1.15rem}

/* header */
.topbar{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;
  padding:.8rem 1.1rem;
  background:rgba(5,6,10,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.brand{font-weight:800;font-size:1.3rem;color:var(--text);text-decoration:none;letter-spacing:-.02em}
.brand span{color:var(--cyan)}
.topbar nav{display:flex;gap:1rem}
.topbar nav a{color:var(--mute);text-decoration:none;font-size:.92rem;font-weight:600}
.topbar nav a:hover{color:var(--text)}
@media (max-width:560px){.topbar nav a:nth-child(3){display:none}}

/* hero: satu focal point, gradasi cahaya hanya di sini */
.hero{
  position:relative;overflow:hidden;
  padding:4.2rem 1.2rem 3.4rem;
  text-align:left;
  max-width:1120px;margin:0 auto;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(560px 300px at 12% -60px, rgba(0,240,255,.16), transparent 65%),
    radial-gradient(620px 340px at 95% -40px, rgba(139,92,246,.15), transparent 65%),
    radial-gradient(520px 300px at 55% 115%, rgba(217,70,239,.10), transparent 65%);
}
.hero>*{position:relative}
.eyebrow{
  display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);border:1px solid rgba(0,240,255,.35);border-radius:999px;
  padding:.3rem .85rem;margin-bottom:1.2rem;background:rgba(0,240,255,.06);
}
.hero h1{font-size:2.35rem;max-width:16em;margin-bottom:1rem}
.hero .sub{color:var(--mute);font-size:1.06rem;max-width:38em;margin-bottom:1.8rem}
.hero-cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-bottom:1.6rem}
.hero-facts{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem 1.4rem;color:var(--mute);font-size:.93rem}
.hero-facts li::before{content:"•";color:var(--magenta);margin-right:.45rem;font-weight:700}

/* tombol */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:52px;padding:.8rem 1.5rem;border-radius:14px;
  font-weight:700;font-size:1rem;text-decoration:none;cursor:pointer;border:1px solid transparent;
  transition:transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn:active{transform:scale(.98)}
.btn-primary{background:linear-gradient(92deg,#00c2d8,#00f0ff 45%,#c93df5);color:#04121a}
.btn-primary:hover{filter:brightness(1.07)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn-ghost:hover{border-color:rgba(255,255,255,.35)}
.btn-buy{background:rgba(0,240,255,.10);color:var(--cyan);border-color:rgba(0,240,255,.4);width:100%}
.btn-buy:hover{background:rgba(0,240,255,.18)}

/* seksi + grid produk */
.section{max-width:1120px;margin:0 auto;padding:2.6rem 1.2rem}
.grid{display:grid;grid-template-columns:1fr;gap:1.2rem}
@media (min-width:640px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.grid{grid-template-columns:repeat(3,1fr)}}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.card img{aspect-ratio:4/5;object-fit:cover;width:100%}
.card-body{padding:1.2rem;display:flex;flex-direction:column;gap:.7rem;flex:1}
.tag{font-size:.74rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--magenta)}
.card .desc{color:var(--mute);font-size:.96rem}
.points{list-style:none;color:var(--mute);font-size:.93rem}
.points li{padding-left:1.15rem;position:relative;margin:.28rem 0}
.points li::before{content:"";position:absolute;left:0;top:.52em;width:.5rem;height:.5rem;border-radius:2px;background:var(--cyan)}
.note{font-size:.86rem;color:#c9a86a;background:rgba(217,164,65,.08);border:1px solid rgba(217,164,65,.25);border-radius:10px;padding:.6rem .75rem}
.price{font-size:1.45rem;font-weight:800;margin-top:auto}
.price s{color:var(--mute);font-weight:600;font-size:1.05rem;margin-right:.5rem}
.card .btn-buy{margin-top:.4rem}

/* bundle */
.bundle{
  border-radius:22px;padding:2rem 1.4rem;
  background:linear-gradient(140deg, rgba(0,240,255,.10), rgba(139,92,246,.10) 55%, rgba(217,70,239,.12));
  border:1px solid rgba(0,240,255,.28);
}
.bundle h2{margin-bottom:.6rem}
.bundle p{color:#d5dbec;max-width:44em}
.price.big{font-size:2rem;margin:.9rem 0 .2rem}
.bundle .save{color:var(--cyan);font-weight:700;margin-bottom:1.3rem}
@media (min-width:768px){.bundle{padding:2.6rem}}

/* langkah beli */
.steps{list-style:none;display:grid;gap:1rem}
@media (min-width:820px){.steps{grid-template-columns:repeat(3,1fr)}}
.steps li{display:flex;gap:.9rem;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem}
.step-num{
  flex:0 0 auto;width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;color:#04121a;background:var(--cyan);
}
.steps p{color:var(--mute);font-size:.95rem}
.fineprint{color:var(--mute);font-size:.88rem;margin-top:1.1rem}

/* kenapa */
.why{display:grid;gap:1rem}
@media (min-width:820px){.why{grid-template-columns:repeat(3,1fr)}}
.why-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem}
.why-item p{color:var(--mute);font-size:.95rem;margin-top:.4rem}

/* faq */
.faq{display:grid;gap:.7rem}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:1rem;
  background:none;border:none;color:var(--text);text-align:left;cursor:pointer;
  font:inherit;font-weight:700;font-size:1rem;padding:1.05rem 1.2rem;min-height:52px;
}
.faq-q .chev{color:var(--cyan);transition:transform .25s ease}
.faq-item.open .chev{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{color:var(--mute);padding:0 1.2rem 1.1rem;font-size:.96rem}

/* footer */
footer{border-top:1px solid var(--line);padding:2.2rem 1.2rem 3rem;text-align:center;color:var(--mute)}
footer .brand{display:inline-block;margin-bottom:.5rem}
footer p{margin:.3rem 0}

/* bar beli mobile: satu CTA, selalu terjangkau jempol */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:30;
  padding:.7rem .9rem calc(.7rem + env(safe-area-inset-bottom));
  background:rgba(5,6,10,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
}
.mobile-bar .btn{width:100%}
@media (min-width:821px){.mobile-bar{display:none}body{padding-bottom:0}}

/* reveal on scroll */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .55s ease,transform .55s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .faq-a,.faq-q .chev{transition:none}
}