/* ===================================================================
   VAPOBRAIN — custom design system (cognitive support capsules)
   Palette: ink #071a2a | ink2 #0b2236 | green #0e7c86 | t-bright(lime) #6ee0c2 | t-dark #0a4e5c | t-deep #04121c
            cream #f2f8f9 | tint #e0eef1 | slate #52696f | line #cde0e4
   Display: 'Montserrat'  |  Body: 'Inter'
   Signature: off-routine-to-on-track (off routine -> on track)
   NOTE: grids minmax(0,1fr); flex items min-width:0; images min(NNNpx,100%);
         hero mobile order img->H1->rest.
=================================================================== */
:root{--navy:#0b2236;
  --ink:#071a2a;--ink2:#0b2236;--t:#0e7c86;--t-bright:#6ee0c2;--t-dark:#0a4e5c;--t-deep:#04121c;
  --cream:#f2f8f9;--tint:#e0eef1;--slate:#52696f;--line:#cde0e4;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:'Inter',sans-serif;color:#0b2236;background:var(--cream);margin:0;font-size:17px;line-height:1.7;}
h1,h2,h3,h4,.vb-display{font-family:'Fraunces',serif;font-weight:600;line-height:1.15;color:#0b1f2c;letter-spacing:.3px;}
.vb-eyebrow{font-family:'Inter',sans-serif;text-transform:uppercase;letter-spacing:2.5px;font-weight:700;font-size:.78rem;color:var(--t);}
a{color:inherit;text-decoration:none;}
img{max-width:100%;height:auto;display:block;}
.container{max-width:1160px;margin:0 auto;padding:0 24px;}

/* Top strip */
.vb-strip{background:linear-gradient(90deg,var(--ink),var(--t-dark),var(--ink));color:#fff;font-family:'Inter',sans-serif;font-weight:700;font-size:.82rem;letter-spacing:.4px;text-align:center;padding:8px 16px;}
.vb-strip span{opacity:.55;margin:0 8px;}

/* Buttons */
.btn-vb{display:inline-flex;align-items:center;gap:10px;background:var(--t);color:#fff;font-weight:700;font-size:1.02rem;padding:15px 32px;border-radius:8px;border:none;cursor:pointer;transition:transform .15s ease,background .15s ease,box-shadow .15s ease;box-shadow:0 10px 24px rgba(110,224,194,.34);}
.btn-vb:hover{background:var(--t-dark);transform:translateY(-2px);color:#fff;}
.btn-vb-outline{display:inline-flex;align-items:center;gap:10px;background:transparent;border:2px solid rgba(255,255,255,.5);color:#fff;font-weight:700;font-size:.98rem;padding:13px 28px;border-radius:8px;transition:all .15s ease;}
.btn-vb-outline:hover{background:#fff;color:var(--t-dark);border-color:#fff;}

/* Navbar */
.vb-nav{position:sticky;top:0;z-index:1000;background:var(--ink);padding:16px 0;border-bottom:1px solid rgba(110,224,194,.28);}
.vb-nav .container{display:flex;align-items:center;justify-content:space-between;}
.vb-logo{font-family:'Fraunces',serif;font-weight:700;color:#fff;font-size:1.45rem;letter-spacing:.5px;text-transform:uppercase;}
.vb-logo span{color:var(--t-bright);}
.vb-nav-links{display:flex;gap:30px;list-style:none;margin:0;padding:0;align-items:center;}
.vb-nav-links a{color:#cde0e4;font-weight:600;font-size:.95rem;opacity:.85;}
.vb-nav-links a:hover{opacity:1;color:var(--t-bright);}
.vb-nav-toggle{display:none;background:none;border:none;color:var(--t-bright);font-size:1.8rem;cursor:pointer;}
@media(max-width:900px){
  .vb-nav-links{position:absolute;top:100%;left:0;right:0;background:var(--ink);flex-direction:column;gap:0;border-top:1px solid rgba(110,224,194,.28);display:none;}
  .vb-nav-links.open{display:flex;}
  .vb-nav-links li{width:100%;border-bottom:1px solid rgba(110,224,194,.18);}
  .vb-nav-links a{display:block;padding:16px 24px;}
  .vb-nav-cta{display:none;}
  .vb-nav-toggle{display:block;}
}

/* Hero */
.vb-hero{background:radial-gradient(ellipse at 80% 5%, #0a6670 0%, var(--ink2) 52%, #020b12 100%);color:#fff;padding:64px 0 0;position:relative;overflow:hidden;}
.vb-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 78% 35%, rgba(110,224,194,.26), transparent 55%);z-index:0;}
.vb-hero-row{display:flex;align-items:center;gap:48px;flex-wrap:wrap;position:relative;z-index:2;}
.vb-hero-copy{flex:1 1 440px;min-width:0;}
.vb-hero-top,.vb-hero-bottom{width:100%;}
.vb-hero-copy h1{font-size:2.8rem;color:#fff;margin:16px 0 20px;line-height:1.08;}
.vb-hero-copy h1 em{font-style:normal;color:var(--t-bright);}
.vb-hero-copy p{color:#d3e4e8;font-size:1.08rem;max-width:520px;}
.vb-hero-img{flex:1 1 260px;min-width:0;text-align:center;}
.vb-hero-img img{max-width:min(440px,100%);margin:0 auto;filter:drop-shadow(0 24px 44px rgba(0,0,0,.6));}
.vb-hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-top:28px;}
.vb-rating-inline{display:flex;align-items:center;gap:12px;margin-top:28px;color:#d3e4e8;font-weight:600;}
.vb-rating-inline .stars{color:var(--t-bright);letter-spacing:2px;font-size:1.2rem;}
@media(max-width:900px){
  .vb-hero-copy{display:contents;}
  .vb-hero-img{order:1;}
  .vb-hero-top{order:2;}
  .vb-hero-bottom{order:3;}
}

/* drained-to-driven signature */
.vb-focus-wrap{margin-top:44px;padding-bottom:36px;text-align:center;position:relative;z-index:2;}
.vb-focus-text{font-family:'Fraunces',serif;font-weight:600;font-size:1.6rem;color:#fff;display:inline-block;}
.vb-focus-text .low{opacity:.5;text-decoration:line-through;text-decoration-color:var(--t-bright);}
.vb-focus-text .high{color:var(--t-bright);}
.vb-focus-labels{display:flex;justify-content:center;gap:56px;color:#8aa2a9;font-size:.78rem;font-weight:700;margin-top:10px;text-transform:uppercase;letter-spacing:1px;}

/* Section shells */
.vb-section{padding:78px 0;}
.vb-section-tint{background:var(--tint);}
.vb-section-dark{background:var(--ink);color:#d3e4e8;}
.vb-section-dark h2,.vb-section-dark h3,.vb-section-dark h4{color:#fff;}
.vb-head{text-align:center;max-width:740px;margin:0 auto 46px;}
.vb-head h2{font-size:2.3rem;margin-top:10px;}

/* Trust badges */
.vb-badges{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px;}
@media(max-width:900px){.vb-badges{grid-template-columns:repeat(3,minmax(0,1fr));}}
@media(max-width:600px){.vb-badges{grid-template-columns:repeat(2,minmax(0,1fr));}}
.vb-badge-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 14px;text-align:center;}
.vb-badge-card img{max-width:min(90px,100%);margin:0 auto 12px;border-radius:8px;}
.vb-badge-card p{font-weight:700;color:#0b1f2c;margin:0;font-size:.92rem;}

/* Testimonials */
.vb-testi-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
@media(max-width:900px){.vb-testi-grid{grid-template-columns:1fr;}}
.vb-testi-card{background:#fff;border-radius:14px;padding:28px 24px;border:1px solid var(--line);}
.vb-testi-top{display:flex;align-items:center;gap:14px;margin-bottom:12px;}
.vb-testi-top img{width:54px;height:54px;border-radius:50%;object-fit:cover;}
.vb-testi-name{font-weight:800;color:#0b1f2c;}
.vb-testi-loc{color:var(--slate);font-size:.85rem;}
.vb-stars{color:var(--t);letter-spacing:2px;margin-bottom:8px;}
.vb-testi-card blockquote{margin:0 0 8px;font-family:'Fraunces',serif;font-weight:600;font-size:1.02rem;color:#0b1f2c;}
.vb-testi-card p{color:var(--slate);font-size:.92rem;margin:0;}
.vb-rating-strip{text-align:center;margin-top:44px;}
.vb-rating-badge{display:inline-flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:40px;padding:14px 30px;}
.vb-rating-badge .big{font-family:'Fraunces',serif;font-weight:700;font-size:1.9rem;color:var(--t);line-height:1;}
.vb-rating-badge .st{color:var(--t);letter-spacing:2px;font-size:1.05rem;}
.vb-rating-badge small{color:var(--slate);font-weight:600;}

/* Row */
.vb-row{display:flex;align-items:center;gap:52px;flex-wrap:wrap;}
.vb-row-img{flex:1 1 260px;min-width:0;text-align:center;}
.vb-row-img img{max-width:min(300px,100%);margin:0 auto;}
.vb-row-copy{flex:1 1 440px;min-width:0;}
.vb-row-copy h2{font-size:2rem;margin-bottom:16px;}
.vb-row-copy p{color:var(--slate);}

/* Pathway cards (light) - used instead of missing infographic */
.vb-path{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
@media(max-width:800px){.vb-path{grid-template-columns:1fr;}}
.vb-path-card{background:#fff;border-radius:14px;padding:26px 22px;border:1px solid var(--line);border-top:4px solid var(--t);text-align:center;}
.vb-path-icon{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;background:var(--tint);color:var(--t-dark);font-size:1.3rem;margin-bottom:14px;}
.vb-path-card h4{font-size:1.05rem;margin:0 0 8px;}
.vb-path-card p{margin:0;color:var(--slate);font-size:.92rem;}

/* Steps (dark) */
.vb-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;max-width:1040px;margin:0 auto;}
@media(max-width:800px){.vb-steps{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(max-width:560px){.vb-steps{grid-template-columns:1fr;}}
.vb-step-card{background:rgba(255,255,255,.04);border:1px solid rgba(110,224,194,.28);border-radius:14px;padding:24px 22px;}
.vb-step-num{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--t-bright);color:#071a2a;font-family:'Fraunces',serif;font-weight:700;margin-bottom:14px;}
.vb-step-card h4{font-size:1.02rem;margin:0 0 8px;color:#fff;}
.vb-step-card p{margin:0;color:#b4cdd3;font-size:.9rem;}

/* Ingredients */
.vb-ing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
@media(max-width:900px){.vb-ing-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(max-width:620px){.vb-ing-grid{grid-template-columns:1fr;}}
.vb-ing-card{background:#fff;border-radius:14px;padding:22px 20px;border:1px solid var(--line);border-top:4px solid var(--t);}
.vb-ing-card h4{font-size:1.02rem;margin:0 0 6px;font-family:'Fraunces',serif;}
.vb-ing-tag{display:inline-block;background:var(--tint);color:var(--t-dark);font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.5px;padding:3px 10px;border-radius:20px;margin-bottom:10px;}
.vb-ing-card p{margin:0;color:var(--slate);font-size:.9rem;}
.vb-ing-note{background:#fff;border-radius:14px;padding:20px 22px;border:1px dashed var(--t-dark);color:var(--slate);font-size:.88rem;text-align:center;max-width:820px;margin:22px auto 0;}

/* Benefits */
.vb-benefit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
@media(max-width:900px){.vb-benefit-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(max-width:620px){.vb-benefit-grid{grid-template-columns:1fr;}}
.vb-benefit-card{background:#fff;border-radius:14px;padding:26px 22px;border:1px solid var(--line);}
.vb-benefit-card .mark{color:var(--t);font-weight:700;font-size:1.2rem;margin-right:6px;}
.vb-benefit-card h4{font-size:1.02rem;margin:8px 0 8px;}
.vb-benefit-card p{margin:0;color:var(--slate);font-size:.94rem;}

/* Why choose (feature list) */
.vb-why-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;max-width:960px;margin:0 auto;}
@media(max-width:800px){.vb-why-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(max-width:520px){.vb-why-grid{grid-template-columns:1fr;}}
.vb-why-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px;display:flex;align-items:center;gap:12px;font-weight:700;color:#0b1f2c;}
.vb-why-card .dot{width:34px;height:34px;flex-shrink:0;border-radius:50%;background:var(--tint);color:var(--t-dark);display:flex;align-items:center;justify-content:center;font-size:1.1rem;}

/* Pricing */
.vb-pricing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;align-items:stretch;}
@media(max-width:900px){.vb-pricing-grid{grid-template-columns:1fr;max-width:420px;margin:0 auto;}}
.vb-price-card{background:#fff;border-radius:14px;padding:30px 24px;text-align:center;position:relative;display:flex;flex-direction:column;border:2px solid var(--line);}
.vb-price-card.featured{border-color:var(--t);box-shadow:0 22px 40px rgba(110,224,194,.24);transform:translateY(-8px);}
@media(max-width:900px){.vb-price-card.featured{transform:none;}}
.vb-ribbon{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--t);color:#fff;font-weight:700;font-size:.76rem;letter-spacing:.5px;text-transform:uppercase;padding:6px 16px;border-radius:6px;white-space:nowrap;}
.vb-ribbon.value{background:var(--ink);color:#fff;}
.vb-price-card img.bottle{max-width:min(230px,100%);margin:6px auto 14px;}
.vb-pack-title{font-family:'Fraunces',serif;font-weight:600;font-size:1.35rem;}
.vb-pack-sub{color:var(--slate);font-size:.9rem;margin-bottom:14px;}
.vb-perbottle{font-family:'Fraunces',serif;font-weight:700;font-size:2.5rem;color:#0b1f2c;line-height:1;}
.vb-perbottle span{font-family:'Inter',sans-serif;font-size:.9rem;font-weight:400;color:var(--slate);}
.vb-total{font-weight:700;margin:10px 0 2px;}
.vb-total s{color:var(--slate);font-weight:400;}
.vb-ship{font-size:.86rem;font-weight:700;margin-bottom:12px;color:var(--t);}
.vb-ship.paid{color:var(--slate);}
.vb-price-card .btn-vb{width:100%;justify-content:center;margin-top:auto;}
.vb-cards-img{max-width:min(190px,100%);margin:14px auto 0;opacity:.85;}

/* Warning + safety */
.vb-warning{background:#e0eef1;border:2px dashed var(--t);border-radius:14px;padding:18px 24px;text-align:center;color:var(--t-dark);font-weight:700;font-size:1rem;}
.vb-safety{background:#ecf6f7;border:1px solid var(--t);border-left:4px solid var(--t);border-radius:12px;padding:18px 22px;color:#0a4e5c;font-size:.94rem;}
.vb-safety strong{color:var(--t-dark);}

/* Guarantee */
.vb-guarantee{display:flex;align-items:center;gap:44px;flex-wrap:wrap;background:#fff;border-radius:14px;padding:40px;border:1px solid var(--line);}
.vb-guarantee img{max-width:min(200px,100%);margin:0 auto;}
.vb-guarantee-copy{flex:1 1 360px;min-width:0;}
.vb-guarantee-copy h3{font-size:1.9rem;margin-bottom:14px;}
.vb-guarantee-copy p{color:var(--slate);}

/* Final CTA */
.vb-final-cta{background:linear-gradient(135deg,#020b12 0%,var(--t-deep) 65%,var(--t) 150%);color:#fff;text-align:center;border-radius:14px;padding:56px 30px;}
.vb-final-cta h2{color:#fff;font-size:2.4rem;}
.vb-final-cta img{max-width:min(220px,100%);margin:24px auto;}
.vb-final-cta .old-price{text-decoration:line-through;opacity:.75;font-size:1.1rem;}
.vb-final-cta .new-price{font-family:'Fraunces',serif;font-weight:700;color:var(--t-bright);font-size:2.4rem;margin:6px 0 22px;}

/* FAQ */
.vb-faq-item{border-bottom:1px solid var(--line);}
.vb-faq-q{width:100%;text-align:left;background:none;border:none;padding:20px 4px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-weight:600;font-size:1.08rem;color:#0b1f2c;font-family:'Fraunces',serif;gap:16px;}
.vb-faq-q::after{content:'+';font-size:1.5rem;color:var(--t);transition:transform .2s;flex-shrink:0;}
.vb-faq-item.open .vb-faq-q::after{transform:rotate(45deg);}
.vb-faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.vb-faq-a p{padding:0 4px 20px;margin:0;color:var(--slate);}

/* Research */
.vb-research{max-width:860px;margin:0 auto;}
.vb-research-item{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 22px;margin-bottom:14px;}
.vb-research-item h4{font-size:1.02rem;margin:0 0 8px;font-family:'Fraunces',serif;color:#0b1f2c;}
.vb-research-item p{margin:0 0 8px;color:var(--slate);font-size:.92rem;}
.vb-research-item .src{font-size:.8rem;color:var(--t-dark);font-weight:600;}

/* Footer */
.vb-footer{background:var(--ink);color:#8aa2a9;padding:44px 0 30px;font-size:.9rem;}
.vb-footer a{color:#d3e4e8;}
.vb-footer a:hover{color:var(--t-bright);}
.vb-footer hr{border-color:rgba(110,224,194,.2);margin:26px 0;}
.vb-footer-links{margin-bottom:6px;line-height:2;}

/* Sticky mobile bar */
.vb-sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:1030;background:var(--ink);padding:10px 16px;display:none;align-items:center;justify-content:space-between;gap:12px;box-shadow:0 -6px 20px rgba(0,0,0,.4);border-top:2px solid var(--t);}
.vb-sticky-bar .price{color:#fff;line-height:1.2;}
.vb-sticky-bar .price b{color:var(--t-bright);font-size:1.1rem;font-family:'Fraunces',serif;}
.vb-sticky-bar .price small{display:block;color:#8aa2a9;font-size:.72rem;}
@media(max-width:900px){.vb-sticky-bar{display:flex;}body{padding-bottom:70px;}}

/* Legal */
.vb-legal{max-width:820px;}
.vb-legal h1{font-size:2.4rem;margin:10px 0 24px;}
.vb-legal h4{font-family:'Fraunces',serif;color:#0b1f2c;margin-top:24px;}
.vb-legal p,.vb-legal li{color:#33505a;}
.vb-legal a{color:var(--t-dark);font-weight:600;}
.align-center{text-align:center;}

/* Bonuses */
.vb-bonus-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;max-width:960px;margin:0 auto;}
@media(max-width:760px){.vb-bonus-grid{grid-template-columns:1fr;max-width:360px;}}
.vb-bonus-card{background:#fff;border-radius:16px;padding:20px;border:2px solid var(--t);text-align:center;}
.vb-bonus-tag-x{display:inline-block;background:var(--t);color:#ffffff;font-weight:700;font-size:.72rem;padding:4px 12px;border-radius:20px;text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px;}
.vb-bonus-card img{max-width:min(150px,100%);margin:0 auto 12px;border-radius:8px;}
.vb-bonus-card h4{font-size:1.05rem;margin:0 0 6px;}
.vb-bonus-card p{color:var(--slate);font-size:.88rem;margin:0 0 10px;}
.vb-bonus-price s{opacity:.7;color:var(--slate);} .vb-bonus-price b{color:var(--t-dark);}
.vb-how-img{max-width:min(1000px,100%);margin:0 auto;border-radius:16px;box-shadow:0 20px 50px rgba(15,12,8,.22);}


/* ingredient amounts */
.vb-amt{display:inline-block;float:right;font-family:'Inter',sans-serif;font-weight:700;font-size:.78rem;color:var(--t-dark);background:var(--tint);border-radius:20px;padding:3px 10px;}
.vb-facts{max-width:720px;margin:26px auto 0;background:#fff;border:2px solid var(--navy);border-radius:10px;padding:18px 22px;}
.vb-facts h4{margin:0 0 8px;font-size:1.15rem;border-bottom:6px solid var(--navy);padding-bottom:8px;}
.vb-facts table{width:100%;border-collapse:collapse;font-size:.93rem;}
.vb-facts td{padding:6px 0;border-bottom:1px solid var(--line);} .vb-facts td:last-child{text-align:right;font-weight:600;}
.vb-facts .sub td{padding-left:16px;color:var(--slate);font-size:.88rem;font-weight:400;}


/* bonuses */
.vb-bonus-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;max-width:960px;margin:0 auto;}
@media(max-width:760px){.vb-bonus-grid{grid-template-columns:1fr;max-width:340px;}}
.vb-bonus-card{background:#fff;border-radius:16px;padding:20px;border:2px solid var(--t);text-align:center;}
.vb-bonus-tag{display:inline-block;background:var(--t);color:#fff;font-weight:700;font-size:.72rem;padding:4px 12px;border-radius:20px;text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px;}
.vb-bonus-card img{max-width:min(170px,100%);height:auto;margin:0 auto 12px;border-radius:8px;}
.vb-bonus-card h4{font-size:1.15rem;margin:0 0 6px;text-transform:uppercase;}
.vb-bonus-card p{color:var(--slate);font-size:.88rem;margin:0 0 10px;}
.vb-bonus-price s{opacity:.7;color:var(--slate);} .vb-bonus-price b{color:var(--t-dark);}
.vb-price-card img.bottle{height:230px;width:auto;max-width:100%;object-fit:contain;display:block;margin:0 auto 10px;}