:root{
  --bg:#0a1a27;
  --bg-alt:#0e2233;
  --card:#0f2a3e;
  --brand:#27b8d6;
  --lime:#c2e26a;
  --text:#e7f2fb;
  --muted:#a9c3d9;
  --accent:#7cecff;
  --ring: rgba(39,184,214,.35);
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Helvetica Neue',Arial,'Apple Color Emoji','Segoe UI Emoji',sans-serif;
  line-height:1.6;
  color:var(--text);
  background: radial-gradient(1000px 500px at 20% -10%, #0f2a3e 0%, var(--bg) 60%);
  overflow-x:hidden;
}

.container{width:min(1120px, 92vw); margin:0 auto}
.section{padding:88px 0}
.section.alt{background:linear-gradient(180deg, var(--bg-alt), transparent)}
.section-header{margin-bottom:28px}
.section-header h2{font-size:40px; line-height:1.1; margin:0 0 6px}
.section-header .sub{color:var(--muted); margin:0}

.site-header{
  position:sticky; top:0; z-index:50; backdrop-filter:saturate(180%) blur(6px);
  background:linear-gradient(180deg, rgba(10,26,39,.86), rgba(10,26,39,.35));
  border-bottom:1px solid rgba(255,255,255,.06);
}
.header-inner{display:flex; align-items:center; gap:22px; padding:12px 0}
.brand img{height:44px; width:auto; display:block}
.nav{display:flex; gap:18px; margin-left:auto}
.nav a{color:var(--muted); text-decoration:none; font-weight:500}
.nav a:hover{color:var(--text)}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:10px 16px; border-radius:14px; text-decoration:none; border:1px solid transparent;
  transition:.25s transform ease, .25s background ease, .25s color ease, .25s box-shadow ease;
  cursor:pointer; font-weight:600
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:linear-gradient(180deg, var(--brand), #1e9eb7); color:#04131b; box-shadow:0 8px 24px var(--ring)}
.btn-primary.btn-lg{padding:14px 22px; font-size:18px}
.btn-ghost{border-color:rgba(255,255,255,.18); color:var(--text); background:transparent}

.hero{position:relative; padding:110px 0 80px}
.hero-grid{display:grid; grid-template-columns:1.2fr 1fr; align-items:center; gap:24px}
.hero-copy .tag{display:inline-block; padding:6px 10px; border-radius:999px; border:1px solid rgba(255,255,255,.18); color:var(--muted); font-size:12px; letter-spacing:.04em}
.hero h1{font-size:46px; line-height:1.1; margin:18px 0}
.accent{color:var(--lime)}
.hero p{color:var(--muted); margin: 0 0 18px}
.disclaimer{margin-top:12px; font-size:12px; color:var(--muted)}
.hero-visual{position:relative; min-height:380px}
.products-pack{width:100%; max-width:540px; display:block; position:relative; z-index:1; filter: drop-shadow(0 16px 64px rgba(0,0,0,.6)); border-radius:16px}
.orb{position:absolute; border-radius:50%; filter:blur(1px); opacity:.85; animation:float 8s ease-in-out infinite}
.orb-1{width:260px; height:260px; background:radial-gradient(circle at 30% 30%, var(--lime), transparent 60%); top:-20px; right:20px}
.orb-2{width:140px; height:140px; background:radial-gradient(circle at 40% 40%, var(--accent), transparent 60%); bottom:40px; left:10%}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

.cards{display:grid; gap:18px}
.cards.three{grid-template-columns:repeat(3,1fr)}
.cards.two{grid-template-columns:repeat(2,1fr)}
.card{background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.06); border-radius:20px; padding:22px; box-shadow: 0 6px 24px rgba(0,0,0,.2)}
.card h3{margin-top:0}

.feature-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:18px}
.feature{background:linear-gradient(180deg, rgba(39,184,214,.08), rgba(39,184,214,0)); border:1px solid rgba(39,184,214,.25); border-radius:22px; padding:22px; position:relative; overflow:hidden}
.feature .icon-circle{position:absolute; width:160px; height:160px; border-radius:50%; border:2px dashed var(--brand); opacity:.35; right:-30px; top:-30px; animation:spin 20s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.product-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:22px}
.product-card{background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02)); border:1px solid rgba(255,255,255,.06); border-radius:22px; padding:22px; position:relative}
.product-card .badge{position:absolute; top:12px; right:12px; background:var(--lime); color:#052018; font-weight:700; font-size:12px; padding:6px 10px; border-radius:999px}
.product-card h3{margin:0 0 4px}
.product-card .dose{color:var(--muted); margin:0 0 8px}
.bullets{margin:12px 0 16px; padding-left:18px}
.details summary{cursor:pointer; color:var(--accent)}
.details-inner{color:var(--muted); padding-top:8px}

.checklist{margin:10px 0 0; padding-left:18px}
.faq-mini details{margin-top:10px}

.reviews{display:grid; grid-template-columns:repeat(3,1fr); gap:18px}
.review{background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.06); border-radius:18px; padding:18px; font-style:italic}
.review .author{display:block; margin-top:8px; color:var(--muted); font-style:normal}

.faq-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:18px}
.faq-grid details{background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.06); border-radius:18px; padding:16px}

.cta{background: radial-gradient(600px 280px at 82% 30%, rgba(124,236,255,.18), transparent), linear-gradient(180deg, rgba(39,184,214,.08), rgba(39,184,214,0))}
.cta-inner{display:grid; grid-template-columns: 1.2fr 1fr; gap:22px; align-items:center}
.form{background:rgba(255,255,255,.04); border:1px solid rgba(255,255,255,.06); border-radius:18px; padding:18px}
.form-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:12px}
.field{display:flex; flex-direction:column; gap:6px}
label{font-size:12px; color:var(--muted)}
input, select{background:#0f2030; border:1px solid rgba(255,255,255,.08); color:var(--text); padding:12px 14px; border-radius:12px; outline:none}
input:focus, select:focus{border-color:var(--brand); box-shadow:0 0 0 4px var(--ring)}
.form-note{color:var(--muted); font-size:12px}

.site-footer{padding:44px 0 18px; border-top:1px solid rgba(255,255,255,.08); background:linear-gradient(180deg, rgba(10,26,39,.85), rgba(10,26,39,.6))}
.footer-grid{display:grid; grid-template-columns:2fr 1fr 1fr; gap:18px}
.footer-logo{height:36px; display:block; margin-bottom:10px}
.footer-bottom{display:flex; justify-content:space-between; align-items:center; padding-top:12px; color:var(--muted); font-size:12px; border-top:1px dashed rgba(255,255,255,.08); margin-top:14px}

/* canvas & scroll indicator */
#bg-canvas{position:fixed; inset:0; z-index:-1}
.scroll-indicator{position:absolute; bottom:10px; left:50%; transform:translateX(-50%); text-align:center; opacity:.8}
.scroll-indicator .mouse{width:22px; height:34px; border:2px solid rgba(255,255,255,.4); border-radius:14px; margin:6px auto 0; position:relative}
.scroll-indicator .wheel{position:absolute; width:4px; height:6px; background:rgba(255,255,255,.6); left:50%; top:6px; transform:translateX(-50%); border-radius:2px; animation:wheel 1.8s ease-in-out infinite}
@keyframes wheel{0%{opacity:0; transform:translate(-50%,-2px)} 30%{opacity:1} 100%{opacity:0; transform:translate(-50%,8px)}}

/* modal */
.modal{position:fixed; inset:0; display:none; place-items:center}
.modal[aria-hidden="false"]{display:grid}
.modal-backdrop{position:absolute; inset:0; background:rgba(0,0,0,.6)}
.modal-card{position:relative; background:#0e1d2a; border:1px solid rgba(255,255,255,.08); border-radius:18px; padding:22px; width:min(520px, 92vw); box-shadow:0 16px 64px rgba(0,0,0,.6)}
.modal-close{position:absolute; right:12px; top:8px; background:transparent; border:none; color:var(--text); font-size:24px; cursor:pointer}
.promo-box{display:flex; align-items:center; justify-content:center; border:1px dashed var(--brand); border-radius:14px; padding:12px; margin:10px 0 0; font-size:20px; letter-spacing:.08em}

/* responsive */
@media (max-width: 980px){
  .hero-grid{grid-template-columns:1fr}
  .cards.three, .feature-grid, .product-grid, .reviews, .faq-grid{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero{padding-top:86px}
}