/* ARZdeveloper Store — 3 tema via [data-theme] */
:root{--radius:16px;--radius-sm:10px;--maxw:1180px;--font-display:'Space Grotesk','Segoe UI',sans-serif;--font-body:'Inter','Segoe UI',sans-serif}

/* ===== TEMA 1: DARK FUTURISTIC TECH ===== */
[data-theme="dark-tech"]{
  --bg:#070b16;--bg2:#0c1224;--card:rgba(255,255,255,.045);--card-border:rgba(120,140,255,.16);
  --text:#e8ecf8;--muted:#8b93ad;--accent:#6d5ef7;--accent2:#22d3ee;--accent-text:#fff;
  --glow:0 0 42px rgba(109,94,247,.38);--hero-grad:radial-gradient(60% 80% at 70% 10%,rgba(109,94,247,.25),transparent 60%),radial-gradient(45% 60% at 15% 85%,rgba(34,211,238,.14),transparent 60%);
  --btn-grad:linear-gradient(135deg,#6d5ef7,#22d3ee);--chip:rgba(109,94,247,.14);--nav:rgba(7,11,22,.72)
}
/* ===== TEMA 2: LUXURY NAVY & GOLD ===== */
[data-theme="luxury"]{
  --bg:#0a1428;--bg2:#0e1b36;--card:rgba(255,255,255,.05);--card-border:rgba(201,168,106,.28);
  --text:#f3ecdc;--muted:#9aa5bd;--accent:#c9a86a;--accent2:#e6cf9a;--accent-text:#101a30;
  --glow:0 0 36px rgba(201,168,106,.28);--hero-grad:radial-gradient(60% 80% at 75% 12%,rgba(201,168,106,.16),transparent 60%);
  --btn-grad:linear-gradient(135deg,#c9a86a,#e6cf9a);--chip:rgba(201,168,106,.14);--nav:rgba(10,20,40,.78)
}
/* ===== TEMA 3: CLEAN MODERN SAAS ===== */
[data-theme="clean"]{
  --bg:#f8fafc;--bg2:#ffffff;--card:#ffffff;--card-border:#e5e9f2;
  --text:#0f172a;--muted:#5b6579;--accent:#4f46e5;--accent2:#0ea5e9;--accent-text:#fff;
  --glow:0 12px 32px rgba(79,70,229,.14);--hero-grad:radial-gradient(55% 70% at 80% 0%,rgba(79,70,229,.09),transparent 60%);
  --btn-grad:linear-gradient(135deg,#4f46e5,#6366f1);--chip:#eef0ff;--nav:rgba(255,255,255,.82)
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--maxw);margin:auto;padding:0 22px}
h1,h2,h3{font-family:var(--font-display);line-height:1.18;letter-spacing:-.02em}

/* Navbar */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);background:var(--nav);border-bottom:1px solid var(--card-border)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{font-family:var(--font-display);font-weight:700;font-size:1.25rem;display:flex;align-items:center;gap:9px}
.brand .dot{width:11px;height:11px;border-radius:50%;background:var(--btn-grad);box-shadow:var(--glow)}
.nav-links{display:flex;gap:26px;align-items:center;font-size:.94rem}
.nav-links a{color:var(--muted);transition:color .25s}
.nav-links a:hover{color:var(--text)}
.menu-btn{display:none;background:none;border:0;color:var(--text);font-size:1.5rem;cursor:pointer}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;font-weight:600;font-size:.95rem;border:0;cursor:pointer;transition:transform .2s,box-shadow .25s;font-family:var(--font-body)}
.btn-primary{background:var(--btn-grad);color:var(--accent-text);box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{background:transparent;border:1px solid var(--card-border);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent)}
.btn-sm{padding:9px 18px;font-size:.86rem}

/* Hero */
.hero{position:relative;padding:96px 0 84px;overflow:hidden;background-image:var(--hero-grad)}
#particles{position:absolute;inset:0;pointer-events:none;opacity:.7}
.hero-in{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.eyebrow{display:inline-flex;gap:8px;align-items:center;background:var(--chip);border:1px solid var(--card-border);color:var(--accent);padding:7px 16px;border-radius:999px;font-size:.82rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase}
.hero h1{font-size:clamp(2.1rem,4.6vw,3.5rem);margin:20px 0 18px}
.hero h1 .grad{background:var(--btn-grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);font-size:1.08rem;max-width:520px}
.hero-cta{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-stats{display:flex;gap:34px;margin-top:38px}
.hero-stats b{font-family:var(--font-display);font-size:1.5rem;display:block}
.hero-stats span{color:var(--muted);font-size:.85rem}
.hero-visual{position:relative}
.hero-card{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:22px;backdrop-filter:blur(8px);box-shadow:var(--glow);animation:float 6s ease-in-out infinite}
.hero-card .bar{display:flex;gap:6px;margin-bottom:14px}
.hero-card .bar i{width:10px;height:10px;border-radius:50%;background:var(--card-border)}
.hero-card code{font-size:.8rem;color:var(--muted);white-space:pre-wrap;display:block;font-family:ui-monospace,monospace;line-height:1.8}
.hero-card code .k{color:var(--accent)} .hero-card code .s{color:var(--accent2)}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* Sections */
.section{padding:76px 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 46px}
.section-head h2{font-size:clamp(1.6rem,3vw,2.3rem);margin:12px 0 10px}
.section-head p{color:var(--muted)}

/* Grid produk */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:26px}
.card{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);overflow:hidden;transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-6px);box-shadow:var(--glow)}
.card-img{aspect-ratio:16/9;background:var(--bg2);object-fit:cover;width:100%}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:1.1rem}
.card-body .desc{color:var(--muted);font-size:.9rem;flex:1}
.price{display:flex;align-items:baseline;gap:10px}
.price b{font-family:var(--font-display);font-size:1.25rem;color:var(--accent)}
.price s{color:var(--muted);font-size:.86rem}
.card-actions{display:flex;gap:10px;margin-top:6px}
.badge{position:absolute;top:14px;left:14px;background:var(--btn-grad);color:var(--accent-text);font-size:.72rem;font-weight:700;padding:5px 12px;border-radius:999px;letter-spacing:.05em}
.card-wrap{position:relative}

/* Fitur */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:22px}
.feature{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:26px}
.feature .ic{width:46px;height:46px;border-radius:13px;background:var(--chip);display:grid;place-items:center;font-size:1.3rem;margin-bottom:14px;color:var(--accent)}
.feature h3{font-size:1.02rem;margin-bottom:8px}
.feature p{color:var(--muted);font-size:.9rem}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:20px;counter-reset:step}
.step{position:relative;background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:26px 22px 22px}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);font-family:var(--font-display);font-weight:700;color:var(--accent);opacity:.8;font-size:.9rem;letter-spacing:.1em}
.step h3{font-size:1rem;margin:10px 0 6px}
.step p{color:var(--muted);font-size:.88rem}

/* CTA band */
.cta-band{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:46px;display:flex;justify-content:space-between;align-items:center;gap:26px;flex-wrap:wrap;background-image:var(--hero-grad)}
.cta-band h2{font-size:1.6rem}

/* Detail produk */
.detail{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start}
.detail-media iframe,.detail-media img{width:100%;border-radius:var(--radius);border:1px solid var(--card-border);aspect-ratio:16/9}
.buy-box{position:sticky;top:86px;background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:26px}
.buy-box .price b{font-size:1.7rem}
.buy-box ul{list-style:none;margin:16px 0;display:grid;gap:9px;font-size:.92rem}
.buy-box ul li::before{content:"✓ ";color:var(--accent);font-weight:700}
.prose{color:var(--muted)}
.prose h2,.prose h3{color:var(--text);margin:22px 0 10px}
.prose p{margin-bottom:12px}
.prose ul{margin:0 0 12px 20px}

/* Forms */
.form-card{background:var(--card);border:1px solid var(--card-border);border-radius:var(--radius);padding:30px;max-width:560px;margin:auto}
label{font-size:.86rem;font-weight:600;display:block;margin:14px 0 6px}
input,select,textarea{width:100%;padding:12px 15px;border-radius:var(--radius-sm);border:1px solid var(--card-border);background:var(--bg2);color:var(--text);font-family:inherit;font-size:.95rem}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);border-color:transparent}
.pay-methods{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:8px}
.pay-methods label{display:flex;gap:10px;align-items:center;border:1px solid var(--card-border);border-radius:var(--radius-sm);padding:14px;margin:0;cursor:pointer;background:var(--bg2)}
.pay-methods input{width:auto}
.pay-methods label:has(input:checked){border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.alert{padding:14px 18px;border-radius:var(--radius-sm);margin:14px 0;font-size:.92rem}
.alert-err{background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.4);color:#f87171}
.alert-ok{background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.4);color:#4ade80}

/* Footer */
footer{border-top:1px solid var(--card-border);padding:46px 0 30px;margin-top:60px;color:var(--muted);font-size:.9rem}
.footer-in{display:flex;justify-content:space-between;gap:26px;flex-wrap:wrap}

/* Utility */
.center{text-align:center}
.mt-2{margin-top:18px}.mt-3{margin-top:30px}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s,transform .7s}
.reveal.show{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.hero-card{animation:none}}

@media (max-width:900px){
  .hero-in,.detail{grid-template-columns:1fr}
  .nav-links{position:fixed;inset:66px 0 auto 0;background:var(--bg2);flex-direction:column;padding:22px;display:none;border-bottom:1px solid var(--card-border)}
  .nav-links.open{display:flex}
  .menu-btn{display:block}
  .buy-box{position:static}
  .cta-band{padding:30px}
}