:root{
  --bg-dark:#0B1420; --bg-darker:#070C14; --bg-light:#F7F9FC; --bg-card:#FFFFFF;
  --text-dark:#101826; --text-light:#F5F7FA; --text-muted:#5B6B82; --text-muted-inv:#9AAAC2;
  --accent:#4F8CFF; --accent-2:#2F6FE0; --amber:#FFB020; --border:#E4E9F2;
  --radius:16px; --radius-sm:10px;
  --shadow:0 12px 32px -12px rgba(16,24,38,.18);
  --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--text-dark);background:var(--bg-light);line-height:1.6}
h1,h2,h3{font-family:'Sora',system-ui,sans-serif;line-height:1.15;margin:0 0 .5em}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.eyebrow{color:var(--accent);font-weight:700;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:999px;font-weight:600;font-size:.95rem;text-decoration:none;transition:transform .2s ease,box-shadow .2s ease;border:none;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;box-shadow:0 8px 20px -6px rgba(79,140,255,.55)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px -8px rgba(79,140,255,.65)}
.btn-ghost{background:rgba(255,255,255,.08);color:var(--text-light);border:1px solid rgba(255,255,255,.25)}
.btn-ghost:hover{background:rgba(255,255,255,.16)}

/* header */
header.site{position:sticky;top:0;z-index:50;background:rgba(11,20,32,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 24px;flex-wrap:nowrap}
.logo{display:flex;align-items:center;flex-shrink:0;background:#fff;border-radius:10px;padding:6px 12px;line-height:0}
.logo img{height:26px;width:auto;display:block}
nav.main-nav{display:flex;gap:22px;flex-shrink:1;min-width:0}
nav.main-nav a{color:var(--text-muted-inv);text-decoration:none;font-size:.92rem;font-weight:500;white-space:nowrap}
nav.main-nav a:hover{color:#fff}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
select.lang-select{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:8px 14px;font-size:.85rem;font-weight:600}
.burger{display:none;background:none;border:1px solid rgba(255,255,255,.25);border-radius:8px;width:38px;height:38px;color:#fff;font-size:1.1rem;cursor:pointer;flex-shrink:0}
.mobile-nav{display:none}
@media(max-width:860px){
  nav.main-nav{display:none}
  .burger{display:block}
  .header-row{flex-wrap:nowrap}
  .mobile-nav{display:none;flex-direction:column;gap:2px;padding:8px 24px 16px;border-top:1px solid rgba(255,255,255,.08)}
  .mobile-nav.open{display:flex}
  .mobile-nav a{color:var(--text-muted-inv);text-decoration:none;font-size:.95rem;font-weight:500;padding:10px 0}
  .mobile-nav a:hover{color:#fff}
}

/* hero */
.hero{background:radial-gradient(ellipse at top right,#132038,var(--bg-dark) 60%);color:var(--text-light);padding:72px 0 88px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(2rem,4vw,3rem);color:#fff}
.hero p.sub{color:var(--text-muted-inv);font-size:1.08rem;max-width:520px;margin-bottom:28px}
.hero-media{position:relative}
.hero-media img{width:100%;height:auto;object-fit:contain;border-radius:var(--radius);box-shadow:0 30px 60px -20px rgba(0,0,0,.55)}
.hero-glow{position:absolute;inset:-40px;background:radial-gradient(circle,rgba(79,140,255,.25),transparent 70%);z-index:-1}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr}.hero-media{order:-1}}

/* sections */
section{padding:72px 0}
section.alt{background:var(--bg-card)}
.section-head{max-width:680px;margin:0 auto 40px;text-align:center}
.section-head h2{font-size:clamp(1.6rem,3vw,2.2rem)}
.section-head p{color:var(--text-muted)}

/* usp */
.usp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.usp-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:26px;transition:transform .2s ease,box-shadow .2s ease}
.usp-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.usp-icon{width:40px;height:40px;color:var(--accent);margin-bottom:16px}
.usp-icon svg{width:100%;height:100%}
.usp-card h3{font-size:1.05rem}
.usp-card p{color:var(--text-muted);font-size:.92rem;margin:0}
@media(max-width:860px){.usp-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.usp-grid{grid-template-columns:1fr}}

/* products */
.products-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.products-grid.single{grid-template-columns:1fr;max-width:640px;margin:0 auto}
.product-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.product-media{background:linear-gradient(160deg,#EEF3FC,#E1E9F8);padding:28px;text-align:center;position:relative}
.badge{position:absolute;top:16px;left:16px;background:var(--amber);color:#1a1400;font-size:.72rem;font-weight:800;padding:6px 12px;border-radius:999px;letter-spacing:.02em}
.product-media img{max-height:220px;width:auto;max-width:100%;object-fit:contain;margin:0 auto}
.product-body{padding:24px 26px 28px;display:flex;flex-direction:column;gap:14px;flex:1}
.product-body h3{font-size:1.25rem}
.product-tagline{color:var(--text-muted);font-size:.92rem;margin:0}
.rating-row{display:flex;align-items:center;gap:8px;font-size:.88rem;color:var(--text-muted)}
.stars{color:var(--amber);letter-spacing:1px}
.price-row{display:flex;align-items:baseline;gap:10px;margin-top:auto}
.price{font-family:'Sora',sans-serif;font-weight:800;font-size:1.5rem}
.price-was{color:var(--text-muted);text-decoration:line-through;font-size:.95rem}
.specs-list{list-style:none;padding:0;margin:0;display:grid;gap:6px;font-size:.86rem;color:var(--text-muted)}
.specs-list li strong{color:var(--text-dark);font-weight:600}

/* comparison table */
.compare-wrap{overflow-x:auto;margin-top:48px;border-radius:var(--radius);border:1px solid var(--border)}
table.compare{border-collapse:collapse;width:100%;min-width:520px;background:var(--bg-card)}
table.compare th,table.compare td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--border);font-size:.92rem}
table.compare th{background:var(--bg-light);font-family:'Sora',sans-serif;white-space:nowrap}
table.compare tr:last-child td{border-bottom:none}
table.compare td:first-child{color:var(--text-muted);font-weight:600;white-space:nowrap}

/* feature zigzag */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:36px 0;border-bottom:1px solid var(--border)}
.feature-row:last-child{border-bottom:none}
.feature-row.rev .feature-media{order:2}
.feature-media img{width:100%;height:auto;object-fit:contain;border-radius:var(--radius);box-shadow:var(--shadow)}
.feature-text h3{font-size:1.3rem}
.feature-text p{color:var(--text-muted)}
@media(max-width:780px){.feature-row,.feature-row.rev{grid-template-columns:1fr}.feature-row.rev .feature-media{order:0}}

/* faq */
.faq-list{max-width:820px;margin:0 auto;display:grid;gap:12px}
.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 22px;cursor:pointer;font-weight:600;font-family:'Sora',sans-serif;font-size:.98rem}
.faq-q::after{content:'+';font-size:1.4rem;color:var(--accent);transition:transform .25s ease;flex-shrink:0}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 22px;color:var(--text-muted);font-size:.92rem}
.faq-item.open .faq-a{max-height:400px;padding-bottom:18px}

/* reviews */
.reviews-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.review-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.review-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.review-name{font-weight:700;font-size:.92rem}
.review-date{font-size:.78rem;color:var(--text-muted)}
.review-title{font-weight:600;font-size:.95rem;margin-bottom:6px}
.review-text{color:var(--text-muted);font-size:.88rem;margin:0}
.verified{display:inline-block;margin-top:10px;font-size:.72rem;color:var(--accent-2);font-weight:700}

/* footer */
footer.site{background:var(--bg-darker);color:var(--text-muted-inv);padding:48px 0 28px}
.footer-grid{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-bottom:28px}
footer.site .logo{margin-bottom:10px}
footer.site p{font-size:.88rem;max-width:420px}
.footer-links{display:flex;gap:20px;flex-wrap:wrap}
.footer-links a{color:var(--text-muted-inv);text-decoration:none;font-size:.88rem}
.footer-links a:hover{color:#fff}
.disclaimer{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;font-size:.75rem;color:#5B6B82}

[data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
[data-reveal].in{opacity:1;transform:none}