:root{
  --ink:#1F2340; --muted:#5E6385; --bg:#F7F5FF; --card:#fff; --line:#E6E3F5;
  --brand:#5B4BDB; --brand-2:#8E7DFF; --green:#1FA45B; --green-d:#178048;
  --orange:#FF8A3D; --pink:#FF6B9A; --blue:#2F80ED; --teal:#14A38B;
  --r:20px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Nunito","Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55;font-size:17px}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
h1,h2,h3{line-height:1.2;margin:0}
h2{font-size:clamp(1.5rem,4.8vw,2.1rem);font-weight:900;text-align:center}
.sub{text-align:center;color:var(--muted);max-width:620px;margin:10px auto 30px}
section{padding:54px 0}
[hidden]{display:none!important}

/* topbar */
.top{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;height:60px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:900;font-size:1.05rem}
.logo i{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--pink));display:inline-flex;align-items:center;justify-content:center;color:#fff;font-style:normal;font-size:1rem}
.top nav{display:flex;gap:16px;font-weight:800;font-size:.95rem}
.top nav a{text-decoration:none;color:var(--muted)}
.top nav a:hover{color:var(--brand)}
@media(max-width:640px){.top nav{display:none}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;text-decoration:none;font:inherit;font-weight:900;border-radius:999px;padding:15px 26px;transition:transform .12s, box-shadow .12s}
.btn:active{transform:scale(.97)}
.btn-buy{background:var(--green);color:#fff;font-size:1.08rem;box-shadow:0 5px 0 var(--green-d),0 10px 22px rgba(23,128,72,.3)}
.btn-buy:hover{background:#1c9853}
.btn-ghost{background:#fff;color:var(--ink);border:2px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-wa{background:#fff;color:var(--green-d);border:2px solid var(--green);padding:12px 22px;font-size:1rem}
.btn-sm{padding:11px 18px;font-size:.98rem}

/* hero home */
.hero{background:radial-gradient(1200px 500px at 20% -10%,#EAE5FF 0,transparent 60%),radial-gradient(900px 500px at 100% 0,#FFE6EF 0,transparent 55%);padding:56px 0 30px;text-align:center}
.pill{display:inline-block;background:#fff;border:1px solid var(--line);padding:6px 14px;border-radius:999px;font-weight:800;font-size:.9rem;color:var(--brand)}
.hero h1{font-size:clamp(2rem,6.5vw,3.2rem);font-weight:900;margin:16px auto 14px;max-width:820px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--brand),var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:var(--muted);font-size:1.12rem;max-width:640px;margin:0 auto 24px}
.trust{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 18px;margin:18px 0 0;padding:0;list-style:none;font-weight:800;font-size:.95rem;color:var(--muted)}

/* product grid */
.grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:760px){.grid{grid-template-columns:repeat(3,1fr)}}
.prod{background:var(--card);border-radius:24px;overflow:hidden;box-shadow:0 8px 26px rgba(31,35,64,.08);display:flex;flex-direction:column;border:1px solid var(--line)}
.prod .img{aspect-ratio:1/1;background:#EEF3FF;overflow:hidden}
.prod .img img{width:100%;height:100%;object-fit:cover}
.prod .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.tag{align-self:flex-start;font-size:.78rem;font-weight:900;padding:4px 10px;border-radius:999px;color:#fff;background:var(--c,var(--brand))}
.prod h3{font-size:1.2rem;font-weight:900}
.prod p{margin:0;color:var(--muted);font-size:.97rem}
.prod ul{margin:0;padding-left:18px;color:var(--ink);font-size:.95rem}
.prod ul li{margin:3px 0}
.price{display:flex;align-items:baseline;gap:8px;margin-top:auto;padding-top:6px}
.price b{font-size:1.6rem;font-weight:900}
.price s{color:var(--muted);font-weight:700}
.price small{color:var(--muted);font-weight:700}
.acts{display:flex;gap:10px;flex-wrap:wrap}
.acts .btn{flex:1}

/* steps / info */
.steps{list-style:none;counter-reset:s;margin:0 auto;padding:0;display:grid;gap:12px;max-width:720px}
.steps li{counter-increment:s;display:flex;gap:14px;background:#fff;border-radius:16px;padding:14px 16px;border:1px solid var(--line)}
.steps li::before{content:counter(s);flex:0 0 34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;font-weight:900;display:flex;align-items:center;justify-content:center}
.pay{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:18px}
.pay span{background:#fff;border:1px solid var(--line);border-radius:10px;padding:6px 12px;font-weight:800;font-size:.9rem}

/* faq */
details{background:#fff;border-radius:16px;margin:0 auto 10px;max-width:720px;border:1px solid var(--line)}
summary{cursor:pointer;font-weight:800;padding:16px 18px;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-weight:900;color:var(--brand);font-size:1.3rem;line-height:1}
details[open] summary::after{content:"–"}
details p, details ul{margin:0;padding:0 18px 16px;color:var(--muted)}
details ul{padding-left:36px}

/* product page */
.phero{padding:40px 0 30px}
.phero .cols{display:grid;gap:28px;align-items:center}
@media(min-width:860px){.phero .cols{grid-template-columns:1.05fr .95fr}}
.phero h1{font-size:clamp(1.9rem,5.6vw,2.7rem);font-weight:900;margin:12px 0}
.phero .lead{color:var(--muted);font-size:1.1rem;margin:0 0 18px}
.phero .shot{border-radius:24px;overflow:hidden;box-shadow:0 16px 40px rgba(31,35,64,.16);border:1px solid var(--line);background:#fff}
.checks{list-style:none;margin:0 0 20px;padding:0;display:grid;gap:8px}
.checks li{display:flex;gap:10px;font-weight:700}
.checks li::before{content:"✓";flex:0 0 24px;height:24px;border-radius:50%;background:#DDF5E7;color:var(--green-d);font-weight:900;display:flex;align-items:center;justify-content:center;font-size:.85rem}
.buybox{background:#fff;border:2px solid var(--line);border-radius:20px;padding:18px}
.buybox .price{margin:0 0 4px}
.buybox .note{color:var(--muted);font-size:.9rem;font-weight:700;margin:10px 0 0}
.buybox .acts{margin-top:12px}

.feat{display:grid;gap:14px}
@media(min-width:640px){.feat{grid-template-columns:1fr 1fr}}
.feat .k{background:#fff;border-radius:18px;padding:18px;border:1px solid var(--line)}
.feat .k .ic{font-size:1.7rem}
.feat .k h3{font-size:1.08rem;font-weight:900;margin:6px 0 4px}
.feat .k p{margin:0;color:var(--muted);font-size:.96rem}

.gallery{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 20px 16px;-webkit-overflow-scrolling:touch}
.gallery img{flex:0 0 auto;width:min(78vw,360px);border-radius:18px;scroll-snap-align:center;border:1px solid var(--line);background:#fff}

/* sheet preview */
.sheet{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;margin:0 auto 18px;max-width:860px}
.sheet .tab{display:flex;align-items:center;gap:8px;padding:10px 14px;background:#F1EFFB;font-weight:900;font-size:.95rem;border-bottom:1px solid var(--line)}
.sheet .tab span{background:var(--brand);color:#fff;border-radius:6px;padding:2px 8px;font-size:.78rem}
.sheet .scroll{overflow-x:auto}
.sheet table{border-collapse:collapse;width:100%;font-size:.88rem;min-width:560px}
.sheet th,.sheet td{border-bottom:1px solid #EFEDF7;padding:8px 10px;text-align:left;white-space:nowrap}
.sheet th{background:#FAF9FF;font-weight:800;color:var(--muted)}
.sheet td.n{text-align:right;font-variant-numeric:tabular-nums}
.st{font-weight:900;font-size:.78rem;padding:3px 8px;border-radius:999px}
.st.ok{background:#DDF5E7;color:#178048}
.st.no{background:#FFE4E4;color:#C23030}
.st.warn{background:#FFF1D6;color:#A85E00}
.kpi{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#EFEDF7}
.kpi div{background:#fff;padding:12px 14px}
.kpi small{display:block;color:var(--muted);font-weight:800;font-size:.75rem}
.kpi b{font-size:1.05rem}
.cap{text-align:center;color:var(--muted);font-size:.9rem;margin-top:-6px}

/* cta band */
.band{background:linear-gradient(135deg,var(--brand),#7A4DE0 60%,var(--pink));color:#fff;border-radius:28px;padding:36px 24px;text-align:center}
.band h2{color:#fff}
.band p{opacity:.95;margin:10px auto 18px;max-width:560px}
.band .price b{font-size:2rem}
.band .price{justify-content:center}
.band .note{opacity:.9;font-weight:700;font-size:.9rem;margin-top:10px}
.band .btn-wa{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}

footer{background:#1F2340;color:#C9CCE0;font-size:.9rem;padding:30px 0 110px}
footer a{color:#fff}
footer .cols{display:grid;gap:16px}
@media(min-width:760px){footer .cols{grid-template-columns:1.2fr 1fr}}
footer small{display:block;color:#9EA3C4;margin-top:8px}

/* sticky buy (product pages) */
.sticky{position:fixed;left:0;right:0;bottom:0;z-index:50;background:#fff;box-shadow:0 -6px 22px rgba(31,35,64,.18);padding:10px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;transform:translateY(110%);transition:transform .25s}
.sticky.show{transform:none}
.sticky b{display:block;font-size:.98rem}
.sticky small{color:var(--muted);font-weight:700}
.sticky .btn{padding:12px 22px;box-shadow:0 4px 0 var(--green-d)}