:root{
  --bg:#f5f9fd;
  --bg2:#ecf4fb;
  --panel:#ffffff;
  --ink:#18344b;
  --muted:#58758f;
  --line:#d8e6f2;
  --brand:#2d6f9d;
  --brand2:#204d73;
  --soft:#dff0ff;
  --accent:#eef7ff;
  --shadow:0 18px 45px rgba(29, 67, 102, .10);
  --radius:22px;
  --radius-sm:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,Arial,Helvetica,sans-serif;
  color:var(--ink);
  background:linear-gradient(180deg,#f8fbfe 0%,#f2f7fc 50%,#f8fbfe 100%);
  line-height:1.68;
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{width:min(1140px,calc(100% - 32px));margin:0 auto}
.topbar{
  background:linear-gradient(90deg,var(--brand2),var(--brand));
  color:#fff;font-size:14px;padding:10px 0;position:sticky;top:0;z-index:1000;
  box-shadow:0 6px 18px rgba(23,60,90,.18)
}
.topbar .container{display:flex;justify-content:center;gap:8px;align-items:center;flex-wrap:wrap;text-align:center}
.flash-mini{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;border-radius:50%;background:rgba(255,255,255,.18);font-size:11px}
header.site-header{background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid rgba(216,230,242,.7);position:sticky;top:40px;z-index:900}
.navbar{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:20px}
.logo img{height:54px;width:auto}
.nav-links{display:flex;align-items:center;gap:20px;flex-wrap:wrap;justify-content:center}
.nav-links a{color:var(--ink);font-weight:600;font-size:15px;opacity:.92}
.nav-links a:hover{color:var(--brand)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:linear-gradient(180deg,#2f79ab,#245f8e);
  color:#fff;padding:13px 22px;border-radius:999px;font-weight:700;
  box-shadow:0 10px 24px rgba(45,111,157,.22);transition:.25s transform,.25s box-shadow;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(45,111,157,.28)}
.btn.alt{background:#fff;color:var(--brand2);border:1px solid var(--line);box-shadow:none}
.btn.small{padding:10px 18px;font-size:14px}
main{overflow:hidden}
.hero{padding:42px 0 28px;background:
  radial-gradient(circle at top right, rgba(45,111,157,.12), transparent 25%),
  linear-gradient(180deg,#f7fbff, #eff6fc)}
.hero-wrap{display:grid;grid-template-columns:1.06fr .94fr;gap:30px;align-items:stretch}
.panel{
  background:var(--panel);border:1px solid rgba(216,230,242,.8);box-shadow:var(--shadow);border-radius:var(--radius);overflow:hidden
}
.hero-copy{padding:34px 32px 32px}
.kicker{display:inline-flex;align-items:center;gap:10px;background:var(--accent);border:1px solid var(--line);border-radius:999px;padding:8px 14px;color:var(--brand2);font-weight:700;font-size:13px;margin-bottom:18px}
.hero h1{font-size:36px;line-height:1.15;margin:0 0 16px;letter-spacing:-.02em}
.hero .lead{font-size:17px;color:var(--muted);margin:0 0 20px}
.rating-box{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:18px 0 22px}
.stars{color:#f7b731;letter-spacing:2px;font-size:18px}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}
.pill{padding:10px 13px;background:#f6fbff;border:1px solid var(--line);border-radius:999px;font-size:14px;font-weight:600;color:var(--brand2)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:10px}
.hero-visual{position:relative;display:flex;align-items:center;justify-content:center;padding:20px;min-height:500px;background:linear-gradient(180deg,#f0f8ff,#e7f2fb)}
.hero-visual::before{content:'';position:absolute;inset:24px;border-radius:28px;background:radial-gradient(circle at center, rgba(45,111,157,.10), transparent 60%)}
.hero-stack{position:relative;z-index:1;display:flex;flex-direction:column;gap:18px;align-items:center}
.hero-stack img.main-bottle{width:min(88%,540px);filter:drop-shadow(0 28px 35px rgba(27,64,98,.2))}
.brain-badge{display:flex;gap:12px;align-items:center;background:rgba(255,255,255,.82);backdrop-filter:blur(8px);border:1px solid rgba(216,230,242,.85);border-radius:20px;padding:12px 14px;box-shadow:var(--shadow);max-width:460px}
.brain-badge img{width:82px;height:82px;object-fit:cover;border-radius:14px}
.brain-badge strong{display:block;font-size:15px}
.brain-badge span{display:block;font-size:13px;color:var(--muted)}
.section{padding:36px 0}
.section-title{max-width:860px;margin:0 auto 22px;text-align:center}
.eyebrow{color:var(--brand);font-weight:800;letter-spacing:.04em;text-transform:uppercase;font-size:12px;margin-bottom:8px}
.section-title h2{margin:0 0 10px;font-size:31px;line-height:1.18;letter-spacing:-.02em}
.section-title p{margin:0;color:var(--muted);font-size:17px}
.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
.media-card{min-height:100%;display:flex;align-items:center;justify-content:center;padding:16px;background:linear-gradient(180deg,#f3f9fe,#e9f2fb);border-radius:var(--radius);border:1px solid var(--line);overflow:hidden}
.media-card img.cover{width:100%;height:100%;object-fit:cover;border-radius:18px}
.text-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.text-card h3{margin:0 0 12px;font-size:25px;line-height:1.2}
.text-card p{margin:0 0 14px;color:var(--ink)}
.info-list{display:grid;gap:12px;margin-top:18px}
.info-item{display:flex;gap:14px;padding:14px;border-radius:18px;background:#f8fbff;border:1px solid var(--line)}
.icon-ball{flex:0 0 42px;width:42px;height:42px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#dff0ff,#cfe6fb);color:var(--brand2);font-size:20px}
.info-item strong{display:block;margin-bottom:4px}
.info-item span{display:block;color:var(--muted);font-size:14px;line-height:1.5}
.dual-band{padding:16px;border-radius:20px;background:linear-gradient(135deg,#1f5077,#2d6f9d);color:#fff}
.dual-band p{margin:0;color:rgba(255,255,255,.92)}
.ingredients-grid,.benefits-grid,.testi-grid,.price-grid,.mini-grid{display:grid;gap:18px}
.ingredients-grid{grid-template-columns:repeat(5,1fr)}
.benefits-grid{grid-template-columns:repeat(3,1fr)}
.mini-grid{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow)}
.card h3{margin:10px 0 8px;font-size:20px}
.card p{margin:0;color:var(--muted);font-size:15px}
.tag{display:inline-block;padding:6px 10px;border-radius:999px;background:#eff7ff;border:1px solid var(--line);font-size:12px;font-weight:700;color:var(--brand)}
.flash-icon{width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#e4f4ff,#d4eafe);font-size:24px}
.procon{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.procon ul{margin:0;padding-left:18px}
.procon li{margin:8px 0;color:var(--ink)}
.location-box{background:linear-gradient(135deg,#1f5077,#2b678f);color:#fff;border-radius:26px;padding:28px;border:1px solid rgba(255,255,255,.12);box-shadow:var(--shadow)}
.location-box p{color:rgba(255,255,255,.92)}
.flag-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin:18px 0 22px}
.flag-chip{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.18);padding:12px 14px;border-radius:16px;text-align:center;font-weight:600}
.price-grid{grid-template-columns:repeat(3,1fr)}
.price-card{position:relative;overflow:hidden;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.price-ribbon{position:absolute;top:16px;right:-34px;transform:rotate(35deg);background:linear-gradient(180deg,#2f79ab,#245f8e);color:#fff;padding:8px 42px;font-size:12px;font-weight:800;letter-spacing:.05em;text-transform:uppercase}
.price-ribbon.gray{background:linear-gradient(180deg,#7d97ab,#5c7283)}
.price-ribbon.dark{background:linear-gradient(180deg,#466780,#2c4f67)}
.price-card .inner{padding:30px 24px 24px;text-align:center}
.price-card img{height:205px;width:auto;margin:0 auto 10px;object-fit:contain}
.pkg{font-size:27px;font-weight:800;margin:8px 0 0;color:var(--brand2)}
.supply{color:var(--muted);font-weight:700;margin-bottom:10px}
.per{font-size:42px;font-weight:800;line-height:1;color:var(--ink)}
.per small{display:block;font-size:14px;font-weight:700;color:var(--muted);margin-top:6px;text-transform:uppercase;letter-spacing:.04em}
.save{display:inline-flex;padding:8px 12px;border-radius:999px;background:#eef7ff;color:var(--brand2);font-weight:800;margin:12px 0}
.total{font-size:18px;margin:14px 0 18px}
.total s{color:#92a8b9;margin-right:8px}
.ship{color:var(--muted);font-size:14px;margin:0 0 16px}
.where-buy{display:grid;grid-template-columns:.88fr 1.12fr;gap:24px;align-items:stretch}
.quote{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow)}
.quote p{margin:0 0 14px;font-size:16px;color:var(--ink)}
.quote .who{font-weight:700;color:var(--brand)}
.testi-grid{grid-template-columns:repeat(3,1fr)}
.faq{display:grid;gap:12px;max-width:980px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
.faq-q{width:100%;background:none;border:0;padding:18px 20px;display:flex;justify-content:space-between;gap:16px;text-align:left;font-size:17px;font-weight:700;color:var(--ink);cursor:pointer}
.faq-a{display:none;padding:0 20px 18px;color:var(--muted);font-size:15px}
.faq-item.active .faq-a{display:block}
.disclaimer{padding:24px 0 34px}
.disclaimer .panel{padding:24px 26px;background:linear-gradient(180deg,#fff,#f7fbff)}
footer{background:#14344d;color:#cfe0ee;padding:38px 0 88px;margin-top:18px}
.footer-grid{display:grid;grid-template-columns:1.15fr .85fr .85fr;gap:24px}
footer h4{margin:0 0 12px;color:#fff}
footer p,footer a{color:#cfe0ee;font-size:15px}
footer a{display:block;margin:8px 0}
.footer-logo{height:52px;width:auto;margin-bottom:10px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;margin-top:22px;font-size:14px;color:#b7cddb}
.mobile-cta{position:fixed;left:14px;right:14px;bottom:14px;z-index:1200;display:none}
.mobile-cta .btn{width:100%;justify-content:center;border-radius:18px;padding:14px 18px}
@media (max-width: 1080px){
  .ingredients-grid{grid-template-columns:repeat(3,1fr)}
  .flag-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width: 920px){
  header.site-header{top:42px}
  .hero-wrap,.content-grid,.where-buy,.footer-grid,.price-grid,.benefits-grid,.testi-grid,.procon{grid-template-columns:1fr}
  .ingredients-grid{grid-template-columns:repeat(2,1fr)}
  .mini-grid{grid-template-columns:1fr}
  .nav-links{display:none}
  .navbar{padding:12px 0}
  .hero h1{font-size:31px}
  .section-title h2{font-size:28px}
  .hero-visual{min-height:420px}
}
@media (max-width: 640px){
  header.site-header{top:58px}
  .container{width:min(100% - 22px,1140px)}
  .hero-copy,.text-card,.card,.quote,.price-card .inner{padding-left:18px;padding-right:18px}
  .hero h1{font-size:28px}
  .section{padding:28px 0}
  .section-title h2{font-size:24px}
  .ingredients-grid,.benefits-grid,.flag-grid,.testi-grid{grid-template-columns:1fr}
  .logo img{height:48px}
  .mobile-cta{display:block}
  footer{padding-bottom:92px}
}