:root{
  --blue:#3d7ebf;
  --blue-dark:#2c5d8f;
  --blue-light:#eaf3fb;
  --blue-tint2:#d6e8f7;
  --white:#ffffff;
  --text-dark:#22303f;
  --text-body:#45566b;
  --text-muted:#7c8ca0;
  --border-light:#dce8f4;
  --star:#f5a623;
}
*{box-sizing:border-box; margin:0; padding:0;}
body{
  font-family:'Open Sans', Arial, Helvetica, sans-serif;
  color:var(--text-body);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:'Open Sans', Arial, sans-serif; font-weight:700; color:var(--text-dark);}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
ul{list-style:none;}

/* ===== Header ===== */
header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 40px;
  background:var(--white);
  border-bottom:1px solid var(--border-light);
}
.logo{display:flex; align-items:center; gap:8px; font-size:21px;}
.logo a{display:flex; align-items:center; gap:8px; color:inherit;}
.logo .icon{font-size:19px;}
.logo .brand{font-weight:700; color:var(--text-dark);}
.logo .sub{font-weight:400; font-size:14px; color:var(--blue); margin-left:2px;}

nav{display:flex; gap:30px;}
nav a{font-size:15px; font-weight:600; color:var(--text-body);}
nav a:hover{color:var(--blue);}

.header-actions{display:flex; align-items:center; gap:14px;}
.btn-blue{
  display:inline-block;
  background:var(--blue);
  color:var(--white);
  font-weight:600;
  font-size:14.5px;
  padding:12px 26px;
  border-radius:8px;
  white-space:nowrap;
  transition:background .15s ease;
}
.btn-blue:hover{background:var(--blue-dark);}
.btn-outline{
  display:inline-block;
  background:var(--white);
  color:var(--blue);
  font-weight:600;
  font-size:14.5px;
  padding:11px 25px;
  border-radius:8px;
  border:2px solid var(--blue);
}
.btn-outline:hover{background:var(--blue-light);}

.hamburger{display:none; flex-direction:column; gap:5px; cursor:pointer; padding:8px; background:none; border:none;}
.hamburger span{display:block; width:22px; height:2px; background:var(--blue); border-radius:2px; transition:all .2s;}
.hamburger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px);}

.mobile-menu{
  display:none;
  position:absolute; top:100%; left:0; right:0;
  background:var(--white);
  border-bottom:1px solid var(--border-light);
  padding:8px 20px 20px;
  z-index:200;
}
.mobile-menu.open{display:block;}
.mobile-menu a{display:block; padding:12px 0; font-size:15px; font-weight:600; color:var(--text-dark); border-bottom:1px solid var(--border-light);}
.mobile-menu .btn-blue{display:block; margin-top:14px; text-align:center; width:100%;}

/* ===== Hero (simple, single column, centered) ===== */
.hero{background:var(--blue-light); padding:64px 24px; text-align:center;}
.hero-inner{max-width:680px; margin:0 auto;}
.breadcrumb{font-size:13px; color:var(--text-muted); margin-bottom:16px;}
.breadcrumb a{color:var(--blue); font-weight:600;}

.hero-image{margin:0 auto 28px; max-width:220px;}

.trust-row{display:flex; align-items:center; justify-content:center; gap:10px; margin-bottom:18px; flex-wrap:wrap;}
.trust-stars{color:var(--star); font-size:16px;}
.trust-count{font-size:14px; color:var(--text-muted);}

h1.title{font-size:32px; line-height:1.35; font-weight:700; color:var(--text-dark); margin-bottom:18px;}

.byline{display:flex; align-items:center; justify-content:center; gap:12px; margin-bottom:22px;}
.avatar{width:38px; height:38px; border-radius:50%; background:var(--blue-tint2); display:flex; align-items:center; justify-content:center; font-size:17px; color:var(--blue-dark); flex-shrink:0; overflow:hidden;}
.avatar img{width:100%; height:100%; object-fit:cover;}
.byline-text{text-align:left;}
.byline-text .name{font-weight:600; color:var(--text-dark); font-size:14px;}
.byline-text .meta{font-size:12.5px; color:var(--text-muted);}
.byline-text .meta a{color:var(--blue); font-weight:600; text-decoration:underline;}

.content p{font-size:16.5px; line-height:1.75; color:var(--text-body); margin-bottom:16px;}
.content h2{font-size:23px; font-weight:700; color:var(--text-dark); margin:8px 0 12px;}
.content h3{font-size:18px; font-weight:700; color:var(--blue-dark); margin:20px 0 8px;}

.hero-ctas{display:flex; gap:12px; justify-content:center; margin-top:12px; flex-wrap:wrap;}

@media (max-width:900px){
  header{padding:14px 18px;}
  nav{display:none;}
  .header-actions .btn-blue{display:none;}
  .hamburger{display:flex;}
  .hero{padding:44px 20px;}
  h1.title{font-size:25px;}
}

/* ===== Quality Standards ===== */
.quality-section{background:var(--white); padding:64px 24px;}
.quality-inner{max-width:1000px; margin:0 auto;}
.quality-divider{width:48px; height:3px; background:var(--blue); border-radius:2px; margin:18px auto 0;}
.quality-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:20px; margin-top:38px;}
.quality-card{background:var(--blue-light); border-radius:14px; padding:28px 20px; text-align:center;}
.quality-card img{height:48px; width:auto; margin:0 auto 16px;}
.quality-card h3{font-size:15px; font-weight:700; color:var(--text-dark); margin-bottom:8px;}
.quality-card p{font-size:14px; line-height:1.6; color:var(--text-body);}

@media (max-width:900px){.quality-grid{grid-template-columns:1fr 1fr; gap:14px;}}
@media (max-width:560px){.quality-grid{grid-template-columns:1fr;}}

/* ===== Section intro (shared) ===== */
.section-intro{text-align:center; max-width:640px; margin:0 auto 42px;}
.eyebrow{
  display:inline-block; font-size:13px; font-weight:700; color:var(--blue);
  background:var(--blue-light); padding:6px 16px; border-radius:20px; margin-bottom:16px;
}
.section-intro h2{font-size:27px; font-weight:700; color:var(--text-dark); margin-bottom:12px; line-height:1.35;}
.section-intro p{font-size:16px; line-height:1.7; color:var(--text-body);}

/* ===== Ingredients ===== */
.ingredients-section{background:var(--blue-light); padding:64px 24px;}
.ingredients-inner{max-width:900px; margin:0 auto;}
.ingredient-list{display:flex; flex-direction:column; gap:16px;}
.ingredient-card{
  display:grid; grid-template-columns:50px 1fr; gap:20px;
  background:var(--white); border-radius:14px; padding:24px 26px;
  box-shadow:0 2px 10px rgba(61,126,191,0.08);
}
.ingredient-num{
  width:50px; height:50px; border-radius:50%; background:var(--blue); color:var(--white);
  font-weight:700; font-size:18px;
  display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.ingredient-card h3{font-size:18.5px; font-weight:700; color:var(--text-dark); margin-bottom:8px;}
.ingredient-card p{font-size:15px; line-height:1.7; color:var(--text-body);}

@media (max-width:900px){
  .ingredient-card{grid-template-columns:42px 1fr; gap:14px; padding:18px;}
  .ingredient-num{width:42px; height:42px; font-size:15px;}
}

/* Supplement facts box */
.supp-facts{max-width:560px; margin:0 auto 40px; background:var(--white); border:2px solid var(--blue-tint2); border-radius:14px; padding:26px 28px;}
.supp-facts-title{font-weight:700; color:var(--text-dark); font-size:17px; margin-bottom:12px; border-bottom:2px solid var(--blue-light); padding-bottom:8px;}
.supp-facts-row{display:flex; justify-content:space-between; font-size:14px; margin-bottom:6px; color:var(--text-body);}
.supp-facts-row strong{color:var(--text-dark);}

/* ===== Scientific Evidence ===== */
.evidence-section{background:var(--white); padding:64px 24px;}
.evidence-inner{max-width:900px; margin:0 auto;}
.evidence-note{background:var(--blue-light); border-radius:12px; padding:18px 22px; font-size:14.5px; line-height:1.7; color:var(--text-body); margin-bottom:32px;}
.evidence-note strong{color:var(--blue-dark);}
.evidence-list{display:flex; flex-direction:column; gap:16px;}
.evidence-card{background:var(--white); border:1px solid var(--border-light); border-radius:14px; padding:24px 26px; box-shadow:0 2px 10px rgba(61,126,191,0.06);}
.evidence-tag{display:inline-block; font-size:12px; font-weight:700; color:var(--blue); background:var(--blue-light); padding:5px 13px; border-radius:20px; margin-bottom:12px;}
.evidence-card h3{font-size:17.5px; font-weight:700; color:var(--text-dark); margin-bottom:10px;}
.evidence-card p{font-size:14.5px; line-height:1.7; color:var(--text-body); margin-bottom:12px;}
.evidence-footer{display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:10px; padding-top:12px; border-top:1px solid var(--border-light);}
.evidence-meta{font-size:12.5px; color:var(--text-muted);}
.view-study-link{font-size:13.5px; font-weight:700; color:var(--blue);}
.view-study-link:hover{color:var(--blue-dark);}
.disclaimer{margin-top:28px; font-size:13px; line-height:1.7; color:var(--text-muted); font-style:italic;}

/* ===== Info sections ===== */
.info-section{background:var(--blue-light); padding:64px 24px;}
.info-section.alt{background:var(--white);}
.info-inner{max-width:820px; margin:0 auto;}
.info-section .content p{font-size:16.5px; line-height:1.75; color:var(--text-body); margin-bottom:16px;}

.steps-list{display:flex; flex-direction:column; gap:20px; margin:30px 0 8px;}
.step-card{display:grid; grid-template-columns:44px 1fr; gap:18px;}
.step-num{width:44px; height:44px; border-radius:50%; background:var(--blue); color:var(--white); font-weight:700; font-size:17px; display:flex; align-items:center; justify-content:center; flex-shrink:0;}
.step-card h3{font-size:17px; font-weight:700; color:var(--text-dark); margin-bottom:6px;}
.step-card p{font-size:15px; line-height:1.7; color:var(--text-body);}

/* ===== Reviews ===== */
.reviews-section{background:var(--white); padding:64px 24px;}
.reviews-inner{max-width:960px; margin:0 auto;}
.reviews-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
.review-card{background:var(--blue-light); border-radius:14px; padding:24px; display:flex; flex-direction:column;}
.review-stars{color:var(--star); font-size:14px; margin-bottom:12px;}
.review-card p.quote{font-size:14.5px; line-height:1.7; color:var(--text-body); margin-bottom:16px; flex:1;}
.reviewer{display:flex; align-items:center; gap:10px; border-top:1px solid var(--border-light); padding-top:14px;}
.reviewer .avatar{width:40px; height:40px;}
.reviewer .rname{font-size:13.5px; font-weight:700; color:var(--text-dark);}
.reviewer .rmeta{font-size:12px; color:var(--text-muted);}

@media (max-width:900px){.reviews-grid{grid-template-columns:1fr;}}

/* ===== Pricing (simple, calm) ===== */
.pricing-section{background:var(--blue-light); padding:64px 24px;}
.pricing-inner{max-width:1050px; margin:0 auto;}
.pricing-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px; align-items:stretch; margin-top:38px;}
.price-card{background:var(--white); border-radius:16px; overflow:hidden; border:2px solid var(--border-light); text-align:center; display:flex; flex-direction:column;}
.price-card.featured{border-color:var(--blue); box-shadow:0 8px 24px rgba(61,126,191,0.16);}
.price-header{background:var(--blue-tint2); color:var(--blue-dark); font-weight:700; font-size:13.5px; padding:14px 12px;}
.price-card.featured .price-header{background:var(--blue); color:var(--white);}
.popular-badge{display:inline-block; background:var(--blue); color:var(--white); font-size:11px; font-weight:700; padding:5px 14px; border-radius:20px; margin:16px auto 0;}
.save-line{font-size:15px; font-weight:700; color:var(--blue-dark); margin:12px 0 4px;}
.bottle-photo{width:70%; max-width:150px; margin:16px auto 6px;}
.price-main{font-size:38px; font-weight:700; color:var(--text-dark); margin:6px 0 0;}
.price-main span.unit{font-size:14px; font-weight:600; color:var(--text-muted);}
.price-card-body{padding:0 20px 26px; display:flex; flex-direction:column; align-items:center; flex:1;}
.pricing-btn{display:inline-block; background:var(--blue); color:var(--white); font-weight:700; font-size:14.5px; padding:14px 30px; border-radius:8px; margin:16px 0 12px; width:100%;}
.pricing-btn:hover{background:var(--blue-dark);}
.shipping-line{font-size:13.5px; font-weight:600; color:var(--blue-dark); margin-bottom:10px;}
.strike-line{font-size:14px; color:var(--text-muted);}
.strike-line s{margin-right:6px;}
.strike-line strong{font-size:16px; color:var(--text-dark);}

@media (max-width:900px){.pricing-grid{grid-template-columns:1fr; gap:24px;}}

/* ===== Pros & Cons ===== */
.proscons-section{background:var(--white); padding:64px 24px;}
.proscons-inner{max-width:900px; margin:0 auto;}
.proscons-grid{display:grid; grid-template-columns:1fr 1fr; gap:20px; margin-top:38px;}
.proscons-card{background:var(--blue-light); border-radius:14px; padding:28px 30px;}
.proscons-card.cons{background:#f3f5f8;}
.proscons-card h3{font-size:19px; font-weight:700; color:var(--text-dark); margin-bottom:16px;}
.proscons-card li{display:flex; gap:10px; font-size:14.5px; line-height:1.6; color:var(--text-body); margin-bottom:12px;}
.proscons-card li .mark{flex-shrink:0; font-weight:700; color:var(--blue);}
.proscons-card.cons li .mark{color:var(--text-muted);}

@media (max-width:900px){.proscons-grid{grid-template-columns:1fr;}}

/* ===== Guarantee ===== */
.guarantee-section{background:var(--blue-light); padding:64px 24px; text-align:center;}
.guarantee-inner{max-width:680px; margin:0 auto;}
.guarantee-badge-img{width:110px; margin:0 auto 20px;}
.guarantee-inner h2{font-size:26px; font-weight:700; color:var(--text-dark); margin-bottom:16px;}
.guarantee-inner p{font-size:16px; line-height:1.75; color:var(--text-body);}

/* ===== Benefits ===== */
.benefits-section{background:var(--white); padding:64px 24px;}
.benefits-inner{max-width:960px; margin:0 auto;}
.benefits-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:38px;}
.benefit-card{background:var(--blue-light); border-radius:14px; padding:26px 22px; text-align:center;}
.benefit-icon{width:46px; height:46px; border-radius:50%; background:var(--blue); color:var(--white); font-size:20px; display:flex; align-items:center; justify-content:center; margin:0 auto 14px;}
.benefit-card h3{font-size:16px; font-weight:700; color:var(--text-dark); margin-bottom:8px;}
.benefit-card p{font-size:14px; line-height:1.65; color:var(--text-body);}

@media (max-width:900px){.benefits-grid{grid-template-columns:1fr;}}

/* ===== FAQ ===== */
.faq-section{background:var(--blue-light); padding:64px 24px;}
.faq-inner{max-width:760px; margin:0 auto;}
.faq-item{border:none; border-radius:12px; margin-bottom:12px; overflow:hidden; background:var(--white);}
.faq-item summary{list-style:none; cursor:pointer; padding:19px 24px; font-weight:700; font-size:15.5px; color:var(--text-dark); display:flex; align-items:center; justify-content:space-between; gap:16px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:'+'; font-size:20px; color:var(--blue); flex-shrink:0;}
.faq-item[open] summary::after{content:'\2212';}
.faq-item .faq-answer{padding:0 24px 22px; font-size:14.5px; line-height:1.75; color:var(--text-body);}
.faq-item .faq-answer p{margin-bottom:12px;}

/* ===== Footer ===== */
footer{background:#f3f6fa; color:var(--text-body); padding:52px 24px 26px; border-top:1px solid var(--border-light);}
.footer-inner{max-width:1050px; margin:0 auto;}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:36px; margin-bottom:32px;}
.footer-logo{font-size:19px; font-weight:700; color:var(--text-dark); margin-bottom:12px;}
.footer-grid p{font-size:13.5px; line-height:1.7; color:var(--text-muted);}
.footer-grid h4{font-size:13px; font-weight:700; color:var(--text-dark); margin-bottom:14px;}
.footer-links{display:flex; flex-direction:column; gap:9px;}
.footer-links a{font-size:13.5px; color:var(--text-muted);}
.footer-links a:hover{color:var(--blue);}
.footer-payment{display:flex; align-items:center; gap:14px; margin-top:16px;}
.footer-payment img{height:22px; width:auto; opacity:0.8;}
.footer-disclosure{border-top:1px solid var(--border-light); padding-top:20px; font-size:12px; line-height:1.7; color:var(--text-muted);}
.footer-disclosure p{margin-bottom:10px;}
.footer-copyright{margin-top:16px; font-size:12px; color:var(--text-muted);}

@media (max-width:900px){.footer-grid{grid-template-columns:1fr; gap:26px;}}

/* ===== Legal pages ===== */
.legal-page{padding:52px 24px 76px; background:var(--white);}
.legal-container{max-width:840px; margin:0 auto;}
.legal-header{text-align:center; margin-bottom:38px;}
.legal-header h1{font-size:30px; font-weight:700; color:var(--text-dark); margin-bottom:10px;}
.legal-header .last-updated{font-size:13.5px; color:var(--text-muted);}
.legal-content{background:var(--blue-light); padding:36px; border-radius:16px;}
.legal-content h2{font-size:19px; font-weight:700; color:var(--text-dark); margin:26px 0 12px;}
.legal-content h2:first-child{margin-top:0;}
.legal-content h3{font-size:16px; font-weight:700; color:var(--blue-dark); margin:18px 0 8px;}
.legal-content p{font-size:14.5px; line-height:1.75; color:var(--text-body); margin-bottom:14px;}
.legal-content ul{margin:0 0 14px 20px; list-style:disc;}
.legal-content li{font-size:14.5px; line-height:1.7; color:var(--text-body); margin-bottom:8px;}
.legal-content strong{color:var(--text-dark);}
.legal-content a{color:var(--blue); text-decoration:underline;}

.warning-box{background:#fdf0ec; padding:18px 20px; border-radius:12px; margin:22px 0; border-left:4px solid #c0604d;}
.info-box{background:var(--white); padding:18px 20px; border-radius:12px; margin:22px 0; border-left:4px solid var(--blue);}
.contact-info-box{background:var(--white); padding:18px 20px; border-radius:12px; margin:22px 0; border-left:4px solid var(--blue);}
.legal-content hr{border:none; border-top:1px solid var(--border-light); margin:28px 0;}
.legal-content a.back-home{
  display:inline-flex; align-items:center; gap:8px; padding:12px 26px;
  background:var(--blue); color:var(--white) !important; text-decoration:none !important;
  border-radius:8px; font-size:14.5px; font-weight:600; margin-top:28px;
}
.legal-content a.back-home:hover{background:var(--blue-dark);}

@media (max-width:768px){
  .legal-page{padding:36px 18px 52px;}
  .legal-header h1{font-size:23px;}
  .legal-content{padding:22px;}
}

/* ===== Blog listing ===== */
.blog-hero{background:var(--blue-light); padding:56px 24px; text-align:center;}
.blog-hero-inner{max-width:680px; margin:0 auto;}
.blog-hero h1{font-size:29px; font-weight:700; color:var(--text-dark); margin:14px 0 12px; line-height:1.35;}
.blog-hero p{font-size:16px; line-height:1.7; color:var(--text-body);}
.blog-listing-section{background:var(--white); padding:60px 24px 76px;}
.blog-listing-inner{max-width:1000px; margin:0 auto;}
.blog-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px;}
.blog-card{background:var(--blue-light); border-radius:14px; overflow:hidden; display:flex; flex-direction:column;}
.blog-card-body{padding:24px 22px; display:flex; flex-direction:column; flex:1;}
.blog-tag{display:inline-block; font-size:11px; font-weight:700; color:var(--blue); background:var(--white); padding:5px 12px; border-radius:20px; margin-bottom:12px; width:fit-content;}
.blog-card h3{font-size:18px; font-weight:700; color:var(--text-dark); margin-bottom:10px; line-height:1.4;}
.blog-card p{font-size:14px; line-height:1.65; color:var(--text-body); margin-bottom:16px; flex:1;}
.blog-read-link{font-size:13.5px; font-weight:700; color:var(--blue);}
.blog-read-link:hover{color:var(--blue-dark);}

@media (max-width:900px){.blog-grid{grid-template-columns:1fr;}}

/* ===== Blog post ===== */
.post-hero{background:var(--blue-light); padding:48px 24px 40px;}
.post-hero-inner{max-width:720px; margin:0 auto;}
.post-meta-row{display:flex; align-items:center; gap:12px; flex-wrap:wrap; font-size:13px; color:var(--text-muted); margin-top:16px;}
.post-title{font-size:30px; font-weight:700; color:var(--text-dark); line-height:1.35; margin-top:14px;}
.post-body-section{background:var(--white); padding:48px 24px 72px;}
.post-body{max-width:720px; margin:0 auto; font-size:16.5px; line-height:1.85; color:var(--text-body);}
.post-body h2{font-size:23px; font-weight:700; color:var(--text-dark); margin:34px 0 14px;}
.post-body h2:first-child{margin-top:0;}
.post-body h3{font-size:18px; font-weight:700; color:var(--blue-dark); margin:24px 0 10px;}
.post-body p{margin-bottom:16px;}
.post-body ul, .post-body ol{margin:0 0 16px 20px;}
.post-body li{margin-bottom:9px;}
.post-body strong{color:var(--text-dark);}
.post-body a{color:var(--blue); text-decoration:underline;}

.post-callout{background:var(--blue-light); border-radius:12px; padding:20px 24px; margin:26px 0; font-size:15px;}
.post-callout strong{color:var(--blue-dark);}

.post-cta{background:var(--blue); color:var(--white); border-radius:16px; padding:30px; text-align:center; margin:32px 0;}
.post-cta h3{font-size:20px; font-weight:700; margin-bottom:10px; color:var(--white);}
.post-cta p{color:rgba(255,255,255,0.9); margin-bottom:18px; font-size:14.5px;}
.post-cta .btn-blue{background:var(--white); color:var(--blue-dark);}
.post-cta .btn-blue:hover{background:var(--blue-light);}

.post-disclosure{font-size:12.5px; color:var(--text-muted); font-style:italic; border-top:1px solid var(--border-light); padding-top:16px; margin-top:32px;}

.related-posts{border-top:1px solid var(--border-light); margin-top:20px; padding-top:26px;}
.related-posts h4{font-size:13px; font-weight:700; color:var(--blue); margin-bottom:14px;}
.related-posts ul{display:flex; flex-direction:column; gap:10px;}
.related-posts a{font-size:15px; font-weight:700; color:var(--text-dark);}
.related-posts a:hover{color:var(--blue);}

@media (max-width:900px){
  .post-hero{padding:32px 18px 26px;}
  .post-body-section{padding:32px 18px 48px;}
  .post-title{font-size:24px;}
}