:root{--primary:#1E6FD9;--primary-dark:#1557B0;--primary-light:#3B82F6;--accent:#00C2FF;--blue-soft:#60A5FA;--dark:#0A1929;--dark-card:#112240;--ice:#F0F7FF;--ice-border:#D0E8FF;--text:#1E293B;--muted:#64748B;--white:#fff;--radius:14px;--radius-sm:10px;--shadow:0 4px 24px rgba(30,111,217,.12);--shadow-lg:0 12px 40px rgba(30,111,217,.18);--max:1200px;--nav-h:64px;--font-head:'Poppins',sans-serif;--font-body:'Inter',sans-serif}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font-body);color:var(--text);line-height:1.7;background:var(--white);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary-dark)}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.25;color:var(--dark)}
h1{font-size:clamp(2rem,5vw,3.2rem);font-weight:800}
h2{font-size:clamp(1.5rem,3.5vw,2.2rem);font-weight:700}
h3{font-size:1.3rem;font-weight:700}
h4{font-size:1.1rem;font-weight:600}
.container{max-width:var(--max);margin:0 auto;padding:0 1.5rem}
.text-center{text-align:center}

/* REVIEW BAR */
.review-bar{background:var(--dark);color:rgba(255,255,255,.85);font-size:.78rem;display:flex;justify-content:center;gap:1.5rem;padding:.55rem 1rem;flex-wrap:wrap}
.review-bar strong{color:var(--accent)}
.review-bar .chk{color:#34d399}

/* NAV */
nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);border-bottom:1px solid var(--ice-border);height:var(--nav-h)}
.nav-inner{max-width:var(--max);margin:0 auto;padding:0 1.5rem;display:flex;align-items:center;justify-content:space-between;height:100%}
.logo{font-family:var(--font-head);font-size:1.35rem;font-weight:800;color:var(--primary) !important;letter-spacing:-.5px}
.nav-links{display:flex;align-items:center;gap:1.6rem}
.nav-links a{font-size:.9rem;font-weight:500;color:var(--text);transition:color .2s}
.nav-links a:hover{color:var(--primary)}
.nav-cta{background:var(--primary) !important;color:var(--white) !important;padding:.5rem 1.2rem;border-radius:50px;font-weight:600 !important;font-size:.85rem !important;transition:background .2s !important}
.nav-cta:hover{background:var(--primary-dark) !important}
.mobile-toggle{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text)}

/* BUTTONS */
.btn{display:inline-block;padding:.85rem 2rem;border-radius:50px;font-family:var(--font-head);font-weight:700;font-size:1rem;cursor:pointer;transition:all .25s;text-align:center;border:none}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:var(--white);box-shadow:0 4px 16px rgba(30,111,217,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(30,111,217,.45);color:var(--white)}
.btn-outline{border:2px solid var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:var(--white)}
.btn-lg{padding:1rem 2.5rem;font-size:1.1rem}
.btn-block{display:block;width:100%}

/* HERO */
.hero{background:linear-gradient(160deg,#F0F7FF 0%,#DBEAFE 40%,#EFF6FF 100%);padding:4rem 0 3rem;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.hero-badge{display:inline-block;background:linear-gradient(135deg,rgba(30,111,217,.1),rgba(0,194,255,.1));border:1px solid rgba(30,111,217,.2);padding:.5rem 1.2rem;border-radius:50px;font-size:.82rem;font-weight:600;color:var(--primary-dark);margin-bottom:1.2rem}
.hero h1 span{color:var(--primary);display:block}
.hero-intro{font-size:1.05rem;color:var(--muted);margin:1.2rem 0}
.hero-bullets{list-style:none;margin:1.5rem 0}
.hero-bullets li{padding:.4rem 0 .4rem 1.8rem;position:relative;font-weight:500}
.hero-bullets li::before{content:'✓';position:absolute;left:0;color:var(--primary);font-weight:700}
.quick-facts{background:var(--white);border:1px solid var(--ice-border);border-radius:var(--radius);padding:1.2rem 1.5rem;margin:1.5rem 0}
.quick-facts h4{color:var(--primary);margin-bottom:.6rem;font-size:.95rem}
.qf-item{display:flex;gap:.5rem;padding:.25rem 0;font-size:.88rem}
.qf-item b{min-width:130px;color:var(--dark)}
.hero-stats{display:flex;gap:2rem;margin:1.5rem 0}
.stat{text-align:center}
.stat .num{font-family:var(--font-head);font-size:1.8rem;font-weight:800;color:var(--primary)}
.stat .lbl{font-size:.8rem;color:var(--muted);font-weight:500}
.hero-ctas{display:flex;gap:1rem;margin:1.5rem 0;flex-wrap:wrap}
.hero-trust{display:flex;gap:1.5rem;font-size:.82rem;font-weight:600;color:var(--muted);margin-top:.5rem;flex-wrap:wrap}
.hero-media{position:relative;display:flex;justify-content:center;align-items:center}
.product-img{max-width:520px;width:100%;filter:drop-shadow(0 20px 40px rgba(30,111,217,.2))}
.float-badge{position:absolute;background:var(--white);border-radius:var(--radius-sm);padding:.5rem .8rem;box-shadow:var(--shadow);text-align:center;font-size:.75rem}
.float-badge b{display:block;font-size:1rem;color:var(--primary)}
.fb-1{top:10%;right:0}
.fb-2{bottom:15%;left:0}
.fb-3{bottom:5%;right:5%}

/* SECTIONS */
section{padding:4rem 0}
.bg-ice{background:var(--ice)}
.bg-dark{background:var(--dark);color:var(--white)}
.bg-dark h2,.bg-dark h3,.bg-dark h4{color:var(--white)}
.section-head{text-align:center;max-width:700px;margin:0 auto 2.5rem}
.eyebrow{display:inline-block;font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--primary);margin-bottom:.5rem}
.section-title{margin-bottom:.8rem}
.section-desc{color:var(--muted);font-size:1.02rem}
.left{text-align:left}

/* WHY GRID */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.why-card{background:var(--white);border-radius:var(--radius);padding:1.8rem 1.5rem;box-shadow:var(--shadow);text-align:center;transition:transform .25s}
.why-card:hover{transform:translateY(-4px)}
.why-card img{width:64px;height:64px;margin:0 auto 1rem;object-fit:contain}
.why-card h4{margin-bottom:.5rem}
.why-card p{font-size:.9rem;color:var(--muted)}

/* WHAT IS */
.whatis-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.whatis-media img{max-width:500px;margin:0 auto;filter:drop-shadow(0 20px 40px rgba(30,111,217,.15))}
.whatis-text p{margin-bottom:1rem;font-size:.98rem}
.research-support{background:var(--ice);border:1px solid var(--ice-border);border-radius:var(--radius-sm);padding:.8rem 1rem;margin:1rem 0;font-size:.88rem}
.research-support a{margin:0 .3rem}
.trust-chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}
.chip{background:var(--white);border:1px solid var(--ice-border);border-radius:50px;padding:.3rem .8rem;font-size:.78rem;font-weight:600;color:var(--primary-dark)}

/* HOW IT WORKS */
.how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-bottom:2rem}
.mech-card{background:var(--white);border-radius:var(--radius);padding:1.8rem 1.5rem;box-shadow:var(--shadow);transition:transform .25s}
.mech-card:hover{transform:translateY(-4px)}
.mech-icon{font-size:2rem;margin-bottom:.8rem}
.mech-card h4{margin-bottom:.5rem;color:var(--primary-dark)}
.mech-card p{font-size:.9rem;color:var(--muted)}
.how-infographic{margin:0 auto;border-radius:var(--radius)}
.how-summary{background:linear-gradient(135deg,rgba(30,111,217,.06),rgba(0,194,255,.06));border:1px solid rgba(30,111,217,.15);border-radius:var(--radius);padding:1.5rem 2rem;margin-top:2rem;text-align:center}
.how-summary h4{color:var(--primary);margin-bottom:.5rem}

/* REVIEWS */
.review-stats{display:flex;justify-content:center;gap:3rem;margin-bottom:2.5rem}
.review-stats .num{font-family:var(--font-head);font-size:2rem;font-weight:800;color:var(--accent)}
.review-stats .lbl{font-size:.85rem;color:rgba(255,255,255,.7)}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.review-card{background:var(--dark-card);border-radius:var(--radius);padding:1.8rem;border:1px solid rgba(255,255,255,.08)}
.rc-head{display:flex;align-items:center;gap:.8rem;margin-bottom:.8rem}
.rc-head img{width:48px;height:48px;border-radius:50%;object-fit:cover}
.rc-name{font-weight:600;color:var(--white)}
.rc-loc{font-size:.78rem;color:rgba(255,255,255,.5)}
.stars{color:#FBBF24;font-size:1rem;margin-bottom:.6rem;letter-spacing:2px}
.review-card blockquote{font-size:.9rem;color:rgba(255,255,255,.8);line-height:1.6;border:none;margin:0;padding:0;font-style:normal}
.review-cta{text-align:center;margin-top:2.5rem}
.review-cta h3{margin-bottom:.5rem}
.review-cta p{color:rgba(255,255,255,.7);margin-bottom:1rem}

/* PRICING */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;align-items:start}
.price-card{background:var(--white);border-radius:var(--radius);padding:2rem 1.5rem;text-align:center;box-shadow:var(--shadow);position:relative;border:2px solid transparent;transition:transform .25s}
.price-card:hover{transform:translateY(-4px)}
.price-card.featured{border-color:var(--primary);transform:scale(1.04)}
.price-card.featured:hover{transform:scale(1.04) translateY(-4px)}
.price-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--primary),var(--accent));color:var(--white);padding:.35rem 1.2rem;border-radius:50px;font-size:.78rem;font-weight:700;white-space:nowrap}
.price-card h3{font-size:1.1rem;margin-bottom:.3rem}
.supply{font-size:.85rem;color:var(--muted);margin-bottom:1rem}
.price-img{max-width:160px;margin:0 auto 1rem;filter:drop-shadow(0 8px 16px rgba(30,111,217,.15))}
.price-amount{font-family:var(--font-head);font-size:2.5rem;font-weight:800;color:var(--primary)}
.price-amount small{font-size:.9rem;font-weight:500;color:var(--muted)}
.price-total{font-size:.9rem;color:var(--muted);margin:.5rem 0 1rem}
.price-total s{color:#94a3b8}
.price-total b{color:var(--primary)}
.buy-btn{margin-bottom:.8rem}
.price-cards-img{max-width:180px;margin:0 auto;opacity:.6}

/* INGREDIENTS */
.ing-list{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.ing-card{background:var(--white);border-radius:var(--radius);padding:1.8rem 1.5rem;box-shadow:var(--shadow);position:relative;transition:transform .25s}
.ing-card:hover{transform:translateY(-4px)}
.ing-num{font-family:var(--font-head);font-size:2rem;font-weight:800;color:rgba(30,111,217,.12);position:absolute;top:1rem;right:1.2rem}
.ing-card h4{color:var(--primary-dark);margin-bottom:.4rem;font-size:1rem}
.ing-card p{font-size:.88rem;color:var(--muted)}
.ing-link{font-size:.82rem;font-weight:600;color:var(--primary);display:inline-block;margin-top:.5rem}
.ing-conclusion{background:linear-gradient(135deg,rgba(30,111,217,.06),rgba(0,194,255,.06));border:1px solid rgba(30,111,217,.15);border-radius:var(--radius-sm);padding:1rem 1.5rem;margin-top:1.5rem;text-align:center;font-size:.92rem}

/* QUALITY / GUARANTEE */
.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-bottom:2.5rem}
.form-card{background:var(--ice);border-radius:var(--radius);padding:1.8rem 1.5rem;text-align:center}
.fnum{font-family:var(--font-head);font-size:2rem;font-weight:800;color:var(--primary);margin-bottom:.5rem}
.form-card h4{margin-bottom:.4rem}
.form-card p{font-size:.9rem;color:var(--muted)}
.guarantee{display:flex;align-items:center;gap:2.5rem;background:var(--ice);border:2px solid var(--primary);border-radius:var(--radius);padding:2rem 2.5rem}
.guarantee-img img{width:180px;flex-shrink:0}
.guarantee h3{color:var(--primary);margin-bottom:.8rem}
.guarantee-points{list-style:none}
.guarantee-points li{padding:.3rem 0;font-size:.95rem}
.guarantee-points b{color:var(--primary-dark)}

/* BENEFITS */
.ben-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.ben-card{background:var(--white);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow);transition:transform .25s}
.ben-card:hover{transform:translateY(-4px)}
.ben-card h4{color:var(--primary-dark);margin-bottom:.4rem}
.ben-card p{font-size:.9rem;color:var(--muted)}

/* FAQ */
.faq-wrap{max-width:750px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--ice-border);padding:1.2rem 0}
.faq-q{font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:1.02rem}
.faq-q::after{content:'+';font-size:1.4rem;color:var(--primary);font-weight:300;transition:transform .3s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease}
.faq-item.open .faq-a{max-height:500px;padding-top:.8rem}
.faq-a p{font-size:.92rem;color:var(--muted)}
.faq-cta{text-align:center;margin-top:2rem}

/* REFERENCES */
.ref-list{list-style:none;display:flex;flex-wrap:wrap;gap:.6rem 1.5rem;justify-content:center}
.ref-list li a{font-size:.85rem;color:var(--muted)}
.ref-list li a:hover{color:var(--primary)}

/* BLOG */
.blog-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-bottom:2rem}
.blog-cat-col h3{color:var(--primary);font-size:1rem;margin-bottom:.6rem;border-bottom:2px solid var(--ice-border);padding-bottom:.4rem}
.blog-cat-col ul{list-style:none}
.blog-cat-col li{padding:.3rem 0}
.blog-cat-col li a{font-size:.88rem;color:var(--text)}
.blog-cat-col li a:hover{color:var(--primary)}
.blog-browse{text-align:center}

/* FINAL CTA */
.final-grid{display:flex;align-items:center;gap:3rem;justify-content:center;flex-wrap:wrap;text-align:center}
.final-grid img{max-width:280px;filter:drop-shadow(0 20px 40px rgba(0,194,255,.25))}
.final-text h2{margin-bottom:1rem}
.final-badges{display:flex;gap:1.5rem;justify-content:center;margin-bottom:1.5rem}
.fb{text-align:center}
.fb b{display:block;font-size:1.3rem;color:var(--accent)}
.fb span{font-size:.78rem;color:rgba(255,255,255,.6)}
.final-price{margin-bottom:1.2rem}
.final-price .reg{text-decoration:line-through;color:rgba(255,255,255,.4);font-size:1.1rem;margin-right:.5rem}
.final-price .now{font-family:var(--font-head);font-size:1.5rem;font-weight:700;color:var(--accent)}

/* SECURITY */
.security{padding:2rem 0}

/* FOOTER */
footer{background:var(--dark);color:rgba(255,255,255,.75);padding:3rem 0 1.5rem}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:2rem;margin-bottom:2rem}
.footer-col h4{color:var(--white);margin-bottom:.8rem;font-size:.95rem}
.footer-col p{font-size:.85rem;line-height:1.6}
.footer-col ul{list-style:none}
.footer-col li{padding:.25rem 0}
.footer-col a{color:rgba(255,255,255,.7);font-size:.85rem}
.footer-col a:hover{color:var(--accent)}
.footer-badges{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center;margin-bottom:1.5rem;padding:1.5rem 0;border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08)}
.footer-badge{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:50px;padding:.35rem .9rem;font-size:.75rem;font-weight:600;color:rgba(255,255,255,.7)}
.footer-disclaimer{text-align:center;font-size:.75rem;color:rgba(255,255,255,.4);padding:.8rem 0;max-width:800px;margin:0 auto}
.footer-legal{text-align:center;font-size:.8rem;padding:.5rem 0}
.footer-legal a{color:rgba(255,255,255,.5);margin:0 .3rem}
.footer-legal a:hover{color:var(--accent)}
.copyright{text-align:center;font-size:.78rem;color:rgba(255,255,255,.35);margin-top:.5rem}

/* STICKY BAR */
.sticky-bar{position:fixed;bottom:0;left:0;right:0;background:var(--dark);color:var(--white);display:flex;justify-content:center;align-items:center;gap:1.5rem;padding:.7rem 1.5rem;z-index:99;transform:translateY(100%);transition:transform .35s;box-shadow:0 -4px 20px rgba(0,0,0,.25)}
.sticky-bar.show{transform:translateY(0)}
.sticky-bar-text{font-size:.9rem;font-weight:600}
.sticky-bar-text small{display:block;font-size:.75rem;font-weight:400;color:rgba(255,255,255,.6)}
.sticky-bar .btn{padding:.55rem 1.5rem;font-size:.85rem;background:linear-gradient(135deg,var(--primary),var(--accent));color:var(--white)}

/* BACK TO TOP */
#back-to-top{position:fixed;bottom:80px;right:1.5rem;width:44px;height:44px;background:var(--primary);color:var(--white);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.3rem;cursor:pointer;opacity:0;visibility:hidden;transition:all .3s;z-index:98;box-shadow:0 4px 12px rgba(30,111,217,.3)}
#back-to-top.show{opacity:1;visibility:visible}
#back-to-top:hover{background:var(--primary-dark);transform:translateY(-3px)}

/* ARTICLE PAGES */
.article-hero{background:linear-gradient(160deg,#F0F7FF,#DBEAFE);padding:3rem 0 2rem;text-align:center}
.article-hero h1{margin-bottom:.5rem}
.meta{font-size:.88rem;color:var(--muted)}
.article-content{max-width:800px;margin:0 auto;padding:2.5rem 1.5rem}
.article-content h2{margin:2rem 0 1rem;color:var(--primary-dark)}
.article-content p{margin-bottom:1rem}
.article-cta{text-align:center;margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--ice-border)}
.ac-figure{text-align:center;margin:1.5rem 0}
.ac-figure img{margin:0 auto;border-radius:var(--radius)}
.legal-page{max-width:800px;margin:0 auto;padding:2.5rem 1.5rem}
.legal-page p{margin-bottom:1rem;font-size:.95rem}

/* RESPONSIVE */
@media(max-width:1024px){
.hero-grid,.whatis-grid{grid-template-columns:1fr}
.hero-media{order:-1}
.product-img{max-width:380px}
.why-grid{grid-template-columns:repeat(2,1fr)}
.how-grid{grid-template-columns:repeat(2,1fr)}
.review-grid{grid-template-columns:1fr}
.price-grid{grid-template-columns:1fr;max-width:400px;margin:0 auto}
.price-card.featured{transform:none}
.ing-list{grid-template-columns:repeat(2,1fr)}
.footer-top{grid-template-columns:repeat(2,1fr)}
.blog-cats{grid-template-columns:1fr}
.guarantee{flex-direction:column;text-align:center}
}
@media(max-width:768px){
.nav-links{display:none;position:absolute;top:var(--nav-h);left:0;right:0;background:var(--white);flex-direction:column;padding:1.5rem;border-bottom:1px solid var(--ice-border);gap:1rem;box-shadow:var(--shadow)}
.nav-links.open{display:flex}
.mobile-toggle{display:block}
.hero{padding:2rem 0}
.hero-stats{gap:1rem}
.hero-ctas{flex-direction:column}
.review-bar{font-size:.7rem;gap:.8rem}
.form-grid{grid-template-columns:1fr}
.ben-grid{grid-template-columns:1fr}
.why-grid{grid-template-columns:1fr}
.how-grid{grid-template-columns:1fr}
.ing-list{grid-template-columns:1fr}
.footer-top{grid-template-columns:1fr}
.final-grid{flex-direction:column}
.final-grid img{max-width:200px}
.whatis-media img{max-width:300px}
.price-grid{max-width:100%}
.float-badge{display:none}
.review-stats{flex-direction:column;gap:1rem;align-items:center}
.final-badges{flex-direction:column;align-items:center;gap:.8rem}
}