/* ===================================================================
   MEMO BOOST — custom design system (memosboost.com)
   Palette: indigo #1d2044 | mint #78e8bb | ivory #f6f8fb
            deep indigo #12142f | slate-blue #5d6480 | line #e3e6ee
   Display: 'Instrument Serif'
   Body:    'Manrope'
   Signature: neuron branch tree (dendrite-inspired SVG in hero)
   NOTE: all grids minmax(0,1fr); flex items min-width:0;
         images capped with min(NNNpx,100%); hero mobile order H1->img->rest.
=================================================================== */

:root{
  --indigo:#1d2044;
  --indigo-dark:#12142f;
  --mint:#78e8bb;
  --mint-dark:#3fbf8f;
  --ivory:#f6f8fb;
  --tint:#e8ecf5;
  --slate:#5d6480;
  --line:#e3e6ee;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:'Manrope',sans-serif;
  color:#1b1e34;
  background:var(--ivory);
  margin:0;
  font-size:17px;
  line-height:1.7;
}
h1,h2,h3,h4,.mb-display{
  font-family:'Instrument Serif',serif;
  font-weight:400;
  line-height:1.18;
  color:#12142f;
  letter-spacing:-.01em;
}
.mb-eyebrow{
  font-family:'Manrope',sans-serif;
  text-transform:uppercase;
  letter-spacing:2.5px;
  font-weight:800;
  font-size:.76rem;
  color:var(--mint-dark);
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;height:auto;display:block;}
.container{max-width:1160px;margin:0 auto;padding:0 24px;}

/* ---------- Buttons ---------- */
.btn-mb{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:var(--mint);
  color:#0e2c22;
  font-weight:700;
  font-size:1rem;
  padding:15px 32px;
  border-radius:40px;
  border:none;
  cursor:pointer;
  transition:transform .15s ease, background .15s ease;
  box-shadow:0 10px 24px rgba(120,232,187,.32);
}
.btn-mb:hover{background:var(--mint-dark);color:#fff;transform:translateY(-2px);}
.btn-mb-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:transparent;
  border:2px solid rgba(255,255,255,.35);
  color:#fff;
  font-weight:700;font-size:.96rem;
  padding:13px 28px;border-radius:40px;transition:all .15s ease;
}
.btn-mb-outline:hover{background:#fff;color:var(--indigo-dark);border-color:#fff;}

/* ---------- Disclosure ---------- */
.mb-disclosure{
  background:var(--indigo-dark);color:#a8b0cc;
  font-size:.73rem;text-align:center;padding:9px 16px;line-height:1.5;
}

/* ---------- Navbar ---------- */
.mb-nav{
  position:sticky;top:0;z-index:1000;
  background:var(--ivory);
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.mb-nav .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.mb-logo{
  font-family:'Instrument Serif',serif;
  color:#12142f;
  font-size:1.55rem;
  display:flex;align-items:center;gap:8px;
}
.mb-logo::before{
  content:'';width:10px;height:10px;border-radius:50%;background:var(--mint);
  box-shadow:0 0 12px rgba(120,232,187,.6);
}
.mb-logo em{font-style:italic;color:var(--mint-dark);}
.mb-nav-links{display:flex;gap:26px;list-style:none;margin:0;padding:0;align-items:center;}
.mb-nav-links a{color:#12142f;font-weight:600;font-size:.92rem;opacity:.82;}
.mb-nav-links a:hover{opacity:1;color:var(--mint-dark);}
.mb-nav-toggle{display:none;background:none;border:none;color:#12142f;font-size:1.8rem;cursor:pointer;}

@media(max-width:900px){
  .mb-nav-links{
    position:absolute;top:100%;left:0;right:0;background:var(--ivory);
    flex-direction:column;gap:0;border-top:1px solid var(--line);
    display:none;
  }
  .mb-nav-links.open{display:flex;}
  .mb-nav-links li{width:100%;border-bottom:1px solid var(--line);}
  .mb-nav-links a{display:block;padding:16px 24px;}
  .mb-nav-cta{display:none;}
  .mb-nav-toggle{display:block;}
}

/* ---------- Hero ---------- */
.mb-hero{
  background:radial-gradient(ellipse at 82% 5%, #262a5b 0%, var(--indigo) 55%, var(--indigo-dark) 100%);
  color:#fff;
  padding:58px 0 0;
  position:relative;
  overflow:hidden;
}
.mb-hero-row{display:flex;align-items:center;gap:48px;flex-wrap:wrap;position:relative;z-index:2;}
.mb-hero-copy{flex:1 1 440px;min-width:0;}
.mb-hero-top,.mb-hero-bottom{width:100%;}
.mb-hero-copy h1{font-size:2.9rem;color:#fff;margin:16px 0 20px;}
.mb-hero-copy h1 em{font-style:italic;color:var(--mint);}
.mb-hero-copy p{color:#c8cfe4;font-size:1.06rem;max-width:520px;}
.mb-hero-img{flex:1 1 240px;min-width:0;text-align:center;}
.mb-hero-img img{max-width:min(300px,100%);margin:0 auto;filter:drop-shadow(0 24px 32px rgba(0,0,0,.4));}
.mb-hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px;}

.mb-quickfacts{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  border-radius:14px;padding:22px 24px;margin-top:28px;max-width:520px;backdrop-filter:blur(4px);
}
.mb-quickfacts h4{color:#fff;font-size:.92rem;margin:0 0 12px;text-transform:uppercase;letter-spacing:1px;font-family:'Manrope',sans-serif;font-weight:800;}
.mb-qf-item{display:flex;gap:8px;font-size:.87rem;padding:6px 0;border-top:1px solid rgba(255,255,255,.08);}
.mb-qf-item:first-of-type{border-top:none;}
.mb-qf-item b{color:#fff;min-width:120px;flex-shrink:0;font-weight:700;}
.mb-qf-item span{color:#a8b0cc;}

@media(max-width:900px){
  .mb-hero-copy{display:contents;}
  .mb-hero-top{order:1;}
  .mb-hero-img{order:2;}
  .mb-hero-bottom{order:3;}
}

.mb-hero-stats{display:flex;gap:32px;margin-top:26px;flex-wrap:wrap;}
.mb-stat .num{font-family:'Instrument Serif',serif;font-size:1.8rem;color:#fff;}
.mb-stat .lbl{font-size:.78rem;color:#a8b0cc;}

/* neuron branch signature */
.mb-neuron-wrap{margin-top:40px;padding-bottom:36px;position:relative;z-index:2;}
.mb-neuron-wrap svg{width:100%;max-width:640px;height:110px;margin:0 auto;display:block;}
.mb-branch{fill:none;stroke:var(--mint);stroke-width:1.6;stroke-linecap:round;opacity:.75;}
.mb-neuron-core{fill:var(--mint);}
.mb-neuron-tip{fill:#fff;}
.mb-neuron-label{text-align:center;color:#a8b0cc;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:1px;margin-top:2px;}

/* ---------- Section shells ---------- */
.mb-section{padding:76px 0;}
.mb-section-tint{background:var(--tint);}
.mb-section-dark{background:var(--indigo-dark);color:#c8cfe4;}
.mb-section-dark h2,.mb-section-dark h3,.mb-section-dark h4{color:#fff;}
.mb-head{text-align:center;max-width:720px;margin:0 auto 44px;}
.mb-head h2{font-size:2.4rem;margin-top:10px;}
.mb-head p{color:var(--slate);margin-top:12px;}
.mb-section-dark .mb-head p{color:#a0a9c4;}

/* ---------- Seals ---------- */
.mb-seals{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
@media(max-width:800px){.mb-seals{grid-template-columns:repeat(2,minmax(0,1fr));}}
.mb-seal{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 18px;text-align:center;}
.mb-seal img{max-width:min(140px,100%);margin:0 auto 12px;}
.mb-seal p{font-weight:700;color:#12142f;margin:0;font-size:.96rem;font-family:'Manrope',sans-serif;}

/* ---------- Rows ---------- */
.mb-row{display:flex;align-items:center;gap:50px;flex-wrap:wrap;}
.mb-row.reverse{flex-direction:row-reverse;}
.mb-row-img{flex:1 1 220px;min-width:0;text-align:center;}
.mb-row-img img{max-width:min(320px,100%);margin:0 auto;border-radius:14px;}
.mb-row-copy{flex:1 1 430px;min-width:0;}
.mb-row-copy h2{font-size:2.2rem;margin-bottom:16px;}
.mb-row-copy p{color:var(--slate);}
.mb-section-dark .mb-row-copy p{color:#a0a9c4;}
.mb-research{
  background:rgba(120,232,187,.08);border-left:3px solid var(--mint);
  padding:14px 18px;border-radius:6px;font-size:.9rem;color:#333;margin:16px 0;
}
.mb-research a{color:var(--mint-dark);text-decoration:underline;}
.mb-chips{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0;}
.mb-chip{background:var(--tint);border-radius:20px;padding:6px 14px;font-size:.8rem;font-weight:700;color:#3a4258;}

/* ---------- 6-indicator grid ---------- */
.mb-indicators{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;max-width:820px;margin:0 auto;}
@media(max-width:700px){.mb-indicators{grid-template-columns:repeat(2,minmax(0,1fr));}}
.mb-ind{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:20px 18px;text-align:center;}
.mb-ind .dot{width:34px;height:34px;border-radius:50%;background:rgba(120,232,187,.15);color:var(--mint);display:flex;align-items:center;justify-content:center;margin:0 auto 10px;font-family:'Instrument Serif',serif;font-size:1.1rem;}
.mb-ind h4{color:#fff;font-family:'Manrope',sans-serif;font-size:.95rem;font-weight:800;margin:0 0 4px;text-transform:uppercase;letter-spacing:.5px;}
.mb-ind p{margin:0;font-size:.82rem;color:#a0a9c4;}

/* ---------- Mechanism cards ---------- */
.mb-mech-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
@media(max-width:760px){.mb-mech-grid{grid-template-columns:1fr;}}
.mb-mech{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 24px;}
.mb-mech-stage{font-family:'Instrument Serif',serif;font-size:1.4rem;color:var(--mint-dark);margin-bottom:6px;font-style:italic;}
.mb-mech h4{font-size:1.1rem;margin:0 0 8px;font-family:'Manrope',sans-serif;font-weight:800;color:#12142f;}
.mb-mech p{margin:0;color:var(--slate);font-size:.92rem;}
.mb-how-summary{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  border-radius:14px;padding:24px;margin-top:30px;
}
.mb-how-summary h4{color:#fff;font-size:1.2rem;margin:0 0 10px;font-family:'Instrument Serif',serif;font-weight:400;}
.mb-how-summary p{color:#c8cfe4;margin:0;}

/* ---------- How to use ---------- */
.mb-usebox{background:#fff;border:1px solid var(--line);border-radius:14px;padding:32px;max-width:640px;margin:0 auto;text-align:center;}
.mb-usebox h4{font-size:1.4rem;margin:0 0 10px;}
.mb-usebox p{color:var(--slate);margin:0;}

/* ---------- Ingredients ---------- */
.mb-ing-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
@media(max-width:760px){.mb-ing-grid{grid-template-columns:1fr;}}
.mb-ing{background:#fff;border:1px solid var(--line);border-left:4px solid var(--mint);border-radius:14px;padding:22px;}
.mb-ing h4{font-size:1.05rem;margin:0 0 6px;font-family:'Manrope',sans-serif;font-weight:800;color:#12142f;}
.mb-ing p{margin:0;color:var(--slate);font-size:.9rem;}

/* ---------- Benefits ---------- */
.mb-benefits{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
@media(max-width:900px){.mb-benefits{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(max-width:600px){.mb-benefits{grid-template-columns:1fr;}}
.mb-benefit{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;}
.mb-benefit .mark{width:32px;height:32px;border-radius:50%;background:rgba(120,232,187,.15);color:var(--mint-dark);display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:10px;}
.mb-benefit h4{font-size:1.02rem;margin:0 0 8px;font-family:'Manrope',sans-serif;font-weight:800;color:#12142f;}
.mb-benefit p{margin:0;color:var(--slate);font-size:.9rem;}

/* ---------- Testimonials ---------- */
.mb-testi-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
@media(max-width:900px){.mb-testi-grid{grid-template-columns:1fr;}}
.mb-testi{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 24px;}
.mb-testi-name{font-weight:800;color:#12142f;font-family:'Manrope',sans-serif;}
.mb-testi-loc{color:var(--slate);font-size:.83rem;margin-bottom:8px;}
.mb-stars{color:var(--mint-dark);letter-spacing:2px;margin-bottom:8px;}
.mb-testi p{color:var(--slate);font-size:.92rem;margin:0;}
.mb-rating-strip{text-align:center;margin-top:40px;}
.mb-rating-strip img{max-width:min(300px,100%);margin:0 auto;}
.mb-lifestyle-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:36px;}
@media(max-width:760px){.mb-lifestyle-grid{grid-template-columns:1fr;max-width:400px;margin-left:auto;margin-right:auto;}}
.mb-lifestyle-grid img{border-radius:14px;width:100%;}

/* ---------- Pricing ---------- */
.mb-pricing{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch;}
@media(max-width:900px){.mb-pricing{grid-template-columns:1fr;max-width:400px;margin:0 auto;}}
.mb-price{
  background:#fff;border:2px solid var(--line);border-radius:18px;
  padding:30px 22px;text-align:center;position:relative;display:flex;flex-direction:column;
}
.mb-price.featured{border-color:var(--mint);box-shadow:0 20px 38px rgba(120,232,187,.22);transform:translateY(-8px);}
@media(max-width:900px){.mb-price.featured{transform:none;}}
.mb-tag{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:var(--mint);color:#0e2c22;font-weight:800;
  font-size:.74rem;letter-spacing:.5px;text-transform:uppercase;
  padding:6px 16px;border-radius:20px;white-space:nowrap;
}
.mb-tag.alt{background:var(--indigo);color:#fff;}
.mb-price img.pack{max-width:min(160px,100%);margin:6px auto 14px;}
.mb-pack{font-family:'Instrument Serif',serif;font-size:1.5rem;color:#12142f;}
.mb-pack-sub{color:var(--slate);font-size:.87rem;margin-bottom:14px;}
.mb-per{font-family:'Instrument Serif',serif;font-size:2.6rem;color:#12142f;line-height:1;}
.mb-per span{font-family:'Manrope',sans-serif;font-size:.86rem;font-weight:400;color:var(--slate);}
.mb-total{font-weight:800;margin:10px 0 2px;font-family:'Manrope',sans-serif;}
.mb-save{font-size:.84rem;font-weight:800;color:var(--mint-dark);margin-bottom:8px;}
.mb-ship{font-size:.82rem;color:var(--slate);margin-bottom:12px;}
.mb-price .btn-mb{width:100%;margin-top:auto;}
.mb-cards{max-width:min(180px,100%);margin:14px auto 0;opacity:.85;}
.mb-notice{
  background:rgba(120,232,187,.1);border:2px dashed var(--mint-dark);border-radius:12px;
  padding:18px 24px;text-align:center;color:var(--indigo);font-weight:700;font-size:.96rem;
}

/* ---------- Guarantee ---------- */
.mb-guarantee{display:flex;align-items:center;gap:42px;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-radius:18px;padding:40px;}
.mb-guarantee img{max-width:min(180px,100%);margin:0 auto;}
.mb-guarantee-copy{flex:1 1 360px;min-width:0;}
.mb-guarantee-copy h3{font-size:1.9rem;margin-bottom:14px;}
.mb-guarantee-copy p{color:var(--slate);}

/* ---------- Safety ---------- */
.mb-safety{
  background:#fff7ec;border:2px solid #d9a441;border-radius:14px;
  padding:26px 28px;max-width:820px;margin:0 auto;
}
.mb-safety h4{color:#8a6014;font-size:1.08rem;margin:0 0 10px;font-family:'Manrope',sans-serif;font-weight:800;}
.mb-safety p{color:#5e4623;margin:0 0 10px;font-size:.93rem;}
.mb-safety ul{margin:0;padding-left:20px;color:#5e4623;font-size:.93rem;}
.mb-safety li{margin-bottom:5px;}

/* ---------- References ---------- */
.mb-ref-list{list-style:none;margin:0;padding:0;}
.mb-ref-list li{margin-bottom:12px;font-size:.9rem;color:var(--slate);}
.mb-ref-list a{color:var(--mint-dark);text-decoration:underline;}
.mb-ref-caveat{font-size:.84rem;color:var(--slate);margin-top:20px;max-width:780px;}

/* ---------- Security ---------- */
.mb-security{background:#fff;border:1px solid var(--line);border-radius:14px;padding:36px;max-width:820px;margin:0 auto;}
.mb-security h3{font-size:1.4rem;margin:0 0 10px;}
.mb-security p{color:var(--slate);margin:0 0 20px;}
.mb-security p:last-child{margin-bottom:0;}

/* ---------- Final CTA ---------- */
.mb-final{
  background:linear-gradient(135deg,var(--indigo-dark) 0%,var(--indigo) 100%);
  color:#fff;text-align:center;border-radius:18px;padding:56px 30px;
}
.mb-final h2{color:#fff;font-size:2.4rem;}
.mb-final img{max-width:min(220px,100%);margin:24px auto;}
.mb-final .old{text-decoration:line-through;opacity:.72;font-size:1.05rem;}
.mb-final .new{font-family:'Instrument Serif',serif;color:var(--mint);font-size:2.4rem;margin:6px 0 22px;}

/* ---------- FAQ ---------- */
.mb-faq{border-bottom:1px solid var(--line);}
.mb-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:1.14rem;color:#12142f;font-family:'Instrument Serif',serif;gap:16px;
}
.mb-faq-q::after{content:'+';font-size:1.5rem;color:var(--mint-dark);transition:transform .2s;flex-shrink:0;}
.mb-faq.open .mb-faq-q::after{transform:rotate(45deg);}
.mb-faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.mb-faq-a p{padding:0 4px 20px;margin:0;color:var(--slate);}

/* ---------- Footer ---------- */
.mb-footer{background:var(--indigo-dark);color:#8f97b3;padding:44px 0 30px;font-size:.88rem;}
.mb-footer a{color:#c8cfe4;}
.mb-footer a:hover{color:var(--mint);}
.mb-footer hr{border-color:rgba(255,255,255,.1);margin:24px 0;}
.mb-byline{color:#c8cfe4;font-size:.85rem;margin-top:14px;}

/* ---------- Sticky bar ---------- */
.mb-sticky{
  position:fixed;left:0;right:0;bottom:0;z-index:1030;
  background:var(--indigo-dark);padding:10px 16px;display:none;
  align-items:center;justify-content:space-between;gap:12px;
  box-shadow:0 -6px 20px rgba(0,0,0,.3);border-top:2px solid var(--mint);
}
.mb-sticky .p{color:#fff;line-height:1.2;}
.mb-sticky .p b{color:var(--mint);font-size:1.06rem;font-family:'Instrument Serif',serif;}
.mb-sticky .p small{display:block;color:#8f97b3;font-size:.71rem;}
@media(max-width:900px){.mb-sticky{display:flex;}body{padding-bottom:70px;}}

/* ---------- Money page article layout ---------- */
.mb-article{max-width:820px;margin:0 auto;}
.mb-article h1{font-size:2.6rem;margin:10px 0 20px;}
.mb-article h2{font-size:1.7rem;margin:34px 0 14px;}
.mb-article p{color:#333;margin:0 0 16px;}
.mb-breadcrumb{font-size:.85rem;color:var(--slate);margin-bottom:18px;}
.mb-breadcrumb a{color:var(--mint-dark);}
.mb-related{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:40px;}
@media(max-width:760px){.mb-related{grid-template-columns:repeat(2,minmax(0,1fr));}}
.mb-related a{
  display:block;background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:16px;font-weight:800;font-size:.9rem;color:#12142f;text-align:center;font-family:'Manrope',sans-serif;
}
.mb-related a:hover{border-color:var(--mint);color:var(--mint-dark);}

.align-center{text-align:center;}