:root{
    --heading: #1B3457;
    --heading-dark: #12233d;
    --accent: #C88A2E;
    --tint: #F4F7FB;
    --text: #000000;
    --white: #ffffff;
    --border: #E2E8F0;
    --success: #1E7B4D;
    --danger: #B3312C;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    font-family:'Source Sans 3', sans-serif;
    color:var(--text);
    font-size:19px;
    line-height:1.65;
    background:#ffffff;
  }
  h1,h2,h3,h4{
    font-family:'Playfair Display', serif;
    color:var(--heading);
    line-height:1.25;
  }
  h1{font-size:clamp(30px,5vw,48px); font-weight:800;}
  h2{font-size:clamp(26px,4vw,36px); font-weight:700; margin-bottom:14px;}
  h3{font-size:22px; font-weight:700; margin-bottom:8px;}
  h4{font-size:17px; font-weight:600; color:var(--accent); text-transform:uppercase; letter-spacing:.03em; margin-bottom:6px;}
  p{margin-bottom:16px;}
  img{max-width:100%; display:block;}
  a{color:inherit; text-decoration:none;}
  ul{margin:0 0 16px 20px;}
  li{margin-bottom:8px;}
  .container{max-width:1140px; margin:0 auto; padding:0 20px;}
  .section{padding:60px 0;}
  .tint{background:var(--tint);}
  .center{text-align:center;}
  .btn{
    display:inline-block;
    background:var(--accent);
    color:#fff;
    font-weight:700;
    font-size:18px;
    padding:16px 36px;
    border-radius:8px;
    border:none;
    cursor:pointer;
    text-align:center;
    transition:transform .15s ease, box-shadow .15s ease;
    box-shadow:0 6px 16px rgba(200,138,46,.35);
  }
  .btn:hover{transform:translateY(-2px); box-shadow:0 10px 22px rgba(200,138,46,.45);}
  .btn-outline{
    display:inline-block;
    background:transparent;
    color:var(--heading);
    font-weight:700;
    border:2px solid var(--heading);
    padding:10px 22px;
    border-radius:8px;
  }
  /* HEADER */
  header{
    background:#2A4680;
    width:100%;
    position:sticky; top:0; z-index:1000;
  }
  .header-inner{
    max-width:1140px; margin:0 auto; padding:14px 20px;
    display:flex; align-items:center; justify-content:space-between;
  }
  .logo{color:#fff; font-family:'Playfair Display',serif; font-weight:800; font-size:24px;}
  .logo span{color:var(--accent);}
  nav.main-nav{display:flex; align-items:center; gap:26px;}
  nav.main-nav a{color:#fff; font-weight:600; font-size:16px;}
  nav.main-nav a:hover{color:var(--accent);}
  .header-right{display:flex; align-items:center; gap:16px;}
  .hamburger{
    display:none; flex-direction:column; gap:5px; cursor:pointer; background:none; border:none; padding:6px;
  }
  .hamburger span{width:26px; height:3px; background:#fff; border-radius:2px;}
  .mobile-nav{
    display:none; flex-direction:column; background:var(--heading-dark);
    width:100%; overflow:hidden;
  }
  .mobile-nav a{color:#fff; padding:14px 20px; border-top:1px solid rgba(255,255,255,.12); font-weight:600;}
  .mobile-nav.open{display:flex;}
  /* H1 BAR */
  .h1-bar{
    background:#2A4680;
    width:100%;
    padding:22px 0 26px;
    text-align:center;
  }
  .h1-bar h1{color:#fff;}
  .h1-bar p{color:#d8e0ec; max-width:700px; margin:12px auto 0; font-size:19px;}
  /* HERO */
  .hero{padding:50px 0 40px; background:#fff;}
  .hero-grid{display:grid; grid-template-columns:1.05fr 0.95fr; gap:44px; align-items:center;}
  .hero-copy p{font-size:19px;}
  .hero-badges{display:flex; gap:10px; flex-wrap:wrap; margin:18px 0 22px;}
  .hero-badge{
    background:var(--tint); border:1px solid var(--border); border-radius:30px;
    padding:6px 14px; font-size:14px; font-weight:600; color:var(--heading);
  }
  .float-img{
    animation:floaty 3.6s ease-in-out infinite;
  }
  @keyframes floaty{
    0%{transform:translateY(0px);}
    50%{transform:translateY(-16px);}
    100%{transform:translateY(0px);}
  }
  .hero-img-wrap{text-align:center;}
  .timer-note{font-size:14px; color:#555; margin-top:10px;}
  /* TRUST BADGES STRIP */
  .badges-strip{padding:30px 0; background:var(--tint); text-align:center;}
  .badges-strip img{max-width:640px; margin:0 auto;}
  /* PROBLEM */
  .problem-list{display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-top:20px;}
  .problem-card{background:var(--tint); border-left:4px solid var(--accent); padding:20px; border-radius:6px;}
  /* WHAT IS IT */
  .whatisit-grid{display:grid; grid-template-columns:0.85fr 1.15fr; gap:40px; align-items:center;}
  /* BENEFITS */
  .benefits-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin-top:24px;}
  .benefit-card{background:#fff; border:1px solid var(--border); border-radius:10px; padding:26px 22px; text-align:center; box-shadow:0 4px 14px rgba(27,52,87,.06);}
  .benefit-icon{font-size:34px; margin-bottom:10px;}
  .benefit-card h3{font-size:19px;}
  /* WHO ITS FOR */
  .whofor-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:16px; margin-top:20px;}
  .whofor-item{display:flex; gap:12px; align-items:flex-start; background:var(--tint); padding:16px 18px; border-radius:8px;}
  .check{color:var(--success); font-weight:800; font-size:20px;}
  /* INGREDIENTS */
  .ingredient-card{
    background:#fff; border:1px solid var(--border); border-radius:10px; padding:26px; margin-bottom:20px;
    display:grid; grid-template-columns:64px 1fr; gap:18px; align-items:start;
  }
  .ing-icon{
    width:56px; height:56px; border-radius:50%; background:var(--tint); display:flex; align-items:center; justify-content:center; font-size:26px;
  }
  .research-note{background:var(--tint); border-radius:8px; padding:14px 16px; margin-top:10px;}
  .research-note p{margin-bottom:0; font-size:17px;}
  /* HOW IT WORKS WEEKS */
  .weeks{display:grid; grid-template-columns:repeat(4,1fr); gap:18px; margin-top:24px;}
  .week-card{background:#fff; border:1px solid var(--border); border-radius:10px; padding:22px 18px;}
  .week-num{
    display:inline-block; background:var(--heading); color:#fff; font-weight:700; font-size:14px;
    padding:4px 12px; border-radius:20px; margin-bottom:10px;
  }
  /* WHY CHOOSE */
  .why-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:20px; margin-top:20px;}
  .why-card{padding:20px; border-radius:8px; background:#fff; border:1px solid var(--border);}
  /* HOW TO USE */
  .use-steps{display:grid; grid-template-columns:repeat(3,1fr); gap:20px; margin-top:20px;}
  .use-step{text-align:center; background:var(--tint); padding:24px 18px; border-radius:10px;}
  .use-step .num{font-family:'Playfair Display',serif; font-size:32px; color:var(--accent); font-weight:800;}
  /* PRICING */
  .pricing-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin-top:30px; align-items:stretch;}
  .price-card{
    background:#fff; border:2px solid var(--border); border-radius:14px; padding:26px 22px; text-align:center;
    display:flex; flex-direction:column; position:relative;
  }
  .price-card.featured{border-color:var(--accent); box-shadow:0 12px 30px rgba(200,138,46,.25); transform:scale(1.03);}
  .ribbon{
    position:absolute; top:-14px; left:50%; transform:translateX(-50%);
    background:var(--accent); color:#fff; font-size:13px; font-weight:700;
    padding:6px 16px; border-radius:20px; white-space:nowrap;
  }
  .price-card img{max-width:170px; margin:14px auto;}
  .supply{color:#555; font-size:16px; margin-bottom:6px;}
  .price-big{font-family:'Playfair Display',serif; font-size:40px; color:var(--heading); font-weight:800;}
  .price-big span{font-size:16px; color:#555; font-weight:500;}
  .save-tag{color:var(--success); font-weight:700; margin:8px 0;}
  .total-line{font-size:15px; color:#555; margin-bottom:16px;}
  .strike{text-decoration:line-through; color:#a33;}
  .price-card .btn{margin-top:auto;}
  .guarantee-note{text-align:center; margin-top:24px; color:#444; font-size:16px;}
  /* REVIEWS STRIP */
  .reviews-strip{text-align:center;}
  .reviews-strip img{max-width:820px; margin:20px auto 0;}
  .stars{color:#E8A93B; font-size:22px; letter-spacing:2px;}
  /* PROS CONS */
  .proscons{display:grid; grid-template-columns:1fr 1fr; gap:22px; margin-top:20px;}
  .pc-card{border-radius:10px; padding:24px;}
  .pc-card.pros{background:#EEF7F1; border:1px solid #cde7d6;}
  .pc-card.cons{background:#FBF0EF; border:1px solid #f0d2cf;}
  .pc-card li{list-style:none; margin-left:0; display:flex; gap:10px; align-items:flex-start;}
  .mark-good{color:var(--success); font-weight:800;}
  .mark-bad{color:var(--danger); font-weight:800;}
  /* GUARANTEE */
  .guarantee-box{
    background:var(--heading); color:#fff; border-radius:16px; padding:44px 36px;
    display:grid; grid-template-columns:1fr 1.4fr; gap:30px; align-items:center;
  }
  .guarantee-box h2, .guarantee-box h3{color:#fff;}
  .guarantee-box p{color:#e4ebf4;}
  /* FAQ */
  details{
    background:#fff; border:1px solid var(--border); border-radius:8px; margin-bottom:12px; padding:16px 20px;
  }
  summary{
    font-weight:700; font-size:18px; color:var(--heading); cursor:pointer; list-style:none;
    display:flex; justify-content:space-between; align-items:center;
  }
  summary::-webkit-details-marker{display:none;}
  summary:after{content:"+"; font-size:22px; color:var(--accent); font-weight:800;}
  details[open] summary:after{content:"−";}
  details p{margin-top:12px; margin-bottom:0;}
  /* FINAL CTA */
  .final-cta{background:var(--tint); text-align:center;}
  .final-cta img{max-width:420px; margin:0 auto 24px;}
  /* AI CITATION BAR */
  .ai-bar{
    background:var(--heading-dark); color:#cfd9e6; padding:30px 0;
  }
  .ai-bar h3{color:#fff; font-size:18px;}
  .ai-bar a{color:#cfd9e6; text-decoration:underline;}
  .ai-links{display:flex; flex-direction:column; gap:8px; align-items:flex-end;}
  /* FOOTER */
  footer{background:var(--heading-dark); color:#c7d2e0; padding:36px 0 20px; font-size:15px;}
  .footer-grid{display:grid; grid-template-columns:repeat(5,1fr); gap:16px; margin-bottom:22px;}
  .footer-grid a{color:#c7d2e0;}
  .footer-grid a:hover{color:#fff;}
  .disclaimer{border-top:1px solid rgba(255,255,255,.15); padding-top:20px; font-size:13px; line-height:1.6; color:#9fadc0;}
  .contact-line{margin-top:14px; font-size:14px;}
  .copyright{text-align:center; margin-top:20px; font-size:13px; color:#8493a8;}

  /* RESPONSIVE */
  @media (max-width:900px){
    .hero-grid, .whatisit-grid, .guarantee-box, .ai-bar{grid-template-columns:1fr;}
    .benefits-grid{grid-template-columns:repeat(2,1fr);}
    .weeks{grid-template-columns:repeat(2,1fr);}
    .why-grid, .problem-list, .whofor-grid, .proscons{grid-template-columns:1fr;}
    .use-steps{grid-template-columns:1fr;}
    .pricing-grid{grid-template-columns:1fr;}
    .price-card.featured{transform:none;}
    .footer-grid{grid-template-columns:repeat(2,1fr);}
  }
  @media (max-width:768px){
    nav.main-nav{display:none;}
    .hamburger{display:flex;}
    .hero{padding-top:26px;}
    .hero-grid{display:flex; flex-direction:column-reverse;}
    .ai-links{align-items:flex-start;}
  }

/* ===== SUBPAGE STYLES (SEO/GEO/AEO content pages) ===== */
.page-banner{
  background:#2A4680;
  padding:36px 0 32px;
  text-align:center;
}
.page-banner h1{color:#fff; max-width:820px; margin:0 auto;}
.page-banner p{color:#d8e0ec; max-width:700px; margin:12px auto 0; font-size:18px;}
.breadcrumb{
  background:var(--tint); padding:12px 0; font-size:14px; color:#555;
}
.breadcrumb a{color:var(--heading); font-weight:600;}
.article-wrap{max-width:820px; margin:0 auto; padding:50px 20px;}
.article-wrap h2{margin-top:34px;}
.article-wrap h3{margin-top:22px;}
.answer-box{
  background:var(--tint); border-left:4px solid var(--accent);
  border-radius:6px; padding:20px 22px; margin:18px 0;
}
.answer-box p{margin-bottom:0; font-size:19px;}
.toc{
  background:#fff; border:1px solid var(--border); border-radius:10px;
  padding:20px 24px; margin:24px 0;
}
.toc h2{font-size:19px; margin-bottom:10px;}
.toc ul{margin:0 0 0 20px;}
.toc a{color:var(--heading); font-weight:600;}
.related-pages{
  display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-top:16px;
}
.related-card{
  background:#fff; border:1px solid var(--border); border-radius:10px; padding:18px; text-align:center;
}
.related-card h3{font-size:17px; margin-bottom:6px;}
.related-card a{color:var(--accent); font-weight:700; font-size:15px;}
.mini-cta{
  background:var(--tint); border-radius:12px; padding:30px; text-align:center; margin:34px 0;
}
@media (max-width:900px){
  .related-pages{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:600px){
  .related-pages{grid-template-columns:1fr;}
}