/* ===================================================================
   JOINTBREX — custom design system
   Palette: slate #37474f | amber-terracotta #e8871e | cream #faf6f0
            deep slate #263238 | stone #6b7378 | line #e6ded2
   Display: 'Poppins' (rounded geometric, friendly)
   Body:    'Nunito' (warm, highly readable)
   Signature: mobility arc gauge (stiff -> flexible)
   NOTE: all grids minmax(0,1fr); flex items min-width:0;
         images capped with min(NNNpx,100%) — mobile-safe from start.
=================================================================== */

:root{
  --slate:#37474f;
  --slate-dark:#263238;
  --amber:#e8871e;
  --amber-dark:#c76f12;
  --cream:#faf6f0;
  --tint:#f0e9de;
  --stone:#6b7378;
  --line:#e6ded2;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:'Nunito',sans-serif;
  color:var(--slate-dark);
  background:var(--cream);
  margin:0;
  font-size:17px;
  line-height:1.68;
}
h1,h2,h3,h4,.jb-display{
  font-family:'Poppins',sans-serif;
  font-weight:600;
  line-height:1.22;
  color:var(--slate-dark);
}
.jb-eyebrow{
  font-family:'Nunito',sans-serif;
  text-transform:uppercase;
  letter-spacing:2.5px;
  font-weight:800;
  font-size:.78rem;
  color:var(--amber-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-jb{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--amber);
  color:#fff;
  font-weight:800;
  font-size:1.02rem;
  padding:15px 32px;
  border-radius:30px;
  border:none;
  cursor:pointer;
  transition:transform .15s ease, background .15s ease, box-shadow .15s ease;
  box-shadow:0 10px 24px rgba(232,135,30,.32);
}
.btn-jb:hover{background:var(--amber-dark);transform:translateY(-2px);color:#fff;}
.btn-jb-outline{
  display:inline-flex;align-items:center;gap:10px;
  background:transparent;
  border:2px solid rgba(255,255,255,.5);
  color:#fff;
  font-weight:800;font-size:.98rem;
  padding:13px 28px;border-radius:30px;transition:all .15s ease;
}
.btn-jb-outline:hover{background:#fff;color:var(--slate-dark);border-color:#fff;}

/* ---------- Navbar ---------- */
.jb-nav{
  position:sticky;top:0;z-index:1000;
  background:var(--cream);
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.jb-nav .container{display:flex;align-items:center;justify-content:space-between;}
.jb-logo{
  font-family:'Poppins',sans-serif;
  font-weight:700;
  color:var(--slate-dark);
  font-size:1.5rem;
}
.jb-logo span{color:var(--amber);}
.jb-nav-links{display:flex;gap:30px;list-style:none;margin:0;padding:0;align-items:center;}
.jb-nav-links a{color:var(--slate-dark);font-weight:700;font-size:.95rem;opacity:.82;}
.jb-nav-links a:hover{opacity:1;color:var(--amber-dark);}
.jb-nav-toggle{display:none;background:none;border:none;color:var(--slate-dark);font-size:1.8rem;cursor:pointer;}

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

/* ---------- Hero ---------- */
.jb-hero{
  background:radial-gradient(ellipse at 85% 0%, #45565f 0%, var(--slate) 55%, var(--slate-dark) 100%);
  color:#fff;
  padding:64px 0 56px;
}
.jb-hero-row{display:flex;align-items:center;gap:48px;flex-wrap:wrap;}
.jb-hero-copy{flex:1 1 440px;min-width:0;}
.jb-hero-copy h1{font-size:2.7rem;color:#fff;margin:16px 0 20px;}
.jb-hero-copy h1 em{font-style:normal;color:var(--amber);}
.jb-hero-copy p{color:#d4d9db;font-size:1.08rem;max-width:520px;}
.jb-hero-img{flex:1 1 300px;min-width:0;text-align:center;}
.jb-hero-img img{max-width:min(300px,100%);margin:0 auto;filter:drop-shadow(0 24px 34px rgba(0,0,0,.4));}
.jb-hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-top:28px;}
.jb-rating-inline{display:flex;align-items:center;gap:12px;margin-top:28px;color:#d4d9db;font-weight:700;}
.jb-rating-inline .stars{color:var(--amber);letter-spacing:2px;font-size:1.2rem;}

/* Mobile hero reorder: eyebrow+H1, then image, then paragraph/buttons/rating */
@media(max-width:900px){
  .jb-hero-copy{display:contents;}
  .jb-hero-top{order:1;width:100%;}
  .jb-hero-img{order:2;width:100%;}
  .jb-hero-bottom{order:3;width:100%;}
}

/* mobility arc (signature) */
.jb-arc-wrap{margin-top:20px;text-align:center;}
.jb-arc-wrap svg{width:220px;height:120px;}
.jb-arc-track{fill:none;stroke:rgba(255,255,255,.15);stroke-width:14;}
.jb-arc-fill{fill:none;stroke:var(--amber);stroke-width:14;stroke-linecap:round;
  stroke-dasharray:251; stroke-dashoffset:65;}
.jb-arc-labels{display:flex;justify-content:space-between;max-width:220px;margin:2px auto 0;color:#b9c0c3;font-size:.76rem;font-weight:700;}

/* ---------- Section shells ---------- */
.jb-section{padding:78px 0;}
.jb-section-tint{background:var(--tint);}
.jb-section-dark{background:var(--slate-dark);color:#dfe3e4;}
.jb-section-dark h2,.jb-section-dark h3{color:#fff;}
.jb-head{text-align:center;max-width:700px;margin:0 auto 46px;}
.jb-head h2{font-size:2.15rem;margin-top:10px;}

/* ---------- Trust badges ---------- */
.jb-badges{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
@media(max-width:800px){.jb-badges{grid-template-columns:repeat(2,minmax(0,1fr));}}
.jb-badge-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px 18px;text-align:center;}
.jb-badge-card img{max-width:min(150px,100%);margin:0 auto 14px;}
.jb-badge-card p{font-weight:800;color:var(--slate-dark);margin:0;font-size:1rem;}

/* ---------- Testimonials ---------- */
.jb-testi-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
@media(max-width:900px){.jb-testi-grid{grid-template-columns:1fr;}}
.jb-testi-card{background:#fff;border-radius:14px;padding:28px 24px;border:1px solid var(--line);}
.jb-testi-top{display:flex;align-items:center;gap:14px;margin-bottom:12px;}
.jb-testi-top img{width:54px;height:54px;border-radius:50%;object-fit:cover;}
.jb-testi-name{font-weight:800;color:var(--slate-dark);}
.jb-testi-loc{color:var(--stone);font-size:.85rem;}
.jb-stars{color:var(--amber);letter-spacing:2px;margin-bottom:8px;}
.jb-testi-card p{color:var(--stone);font-size:.94rem;margin:0;}

.jb-rating-strip{text-align:center;}
.jb-rating-strip img{max-width:min(320px,100%);margin:0 auto;}

/* ---------- About / How it works ---------- */
.jb-row{display:flex;align-items:center;gap:52px;flex-wrap:wrap;}
.jb-row.reverse{flex-direction:row-reverse;}
.jb-row-img{flex:1 1 280px;min-width:0;text-align:center;}
.jb-row-img img{max-width:min(280px,100%);margin:0 auto;}
.jb-row-copy{flex:1 1 440px;min-width:0;}
.jb-row-copy h2{font-size:2rem;margin-bottom:16px;}
.jb-row-copy p{color:var(--stone);}
.jb-section-dark .jb-row-copy p{color:#c2c8ca;}

/* ---------- Three-fronts grouping ---------- */
.jb-front-block{margin-bottom:40px;}
.jb-front-label{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--slate);color:#fff;font-weight:800;
  padding:8px 18px;border-radius:30px;font-size:.85rem;
  margin-bottom:20px;
}
.jb-front-label.f2{background:var(--amber);}
.jb-front-label.f3{background:var(--stone);}
.jb-ing-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
@media(max-width:700px){.jb-ing-grid{grid-template-columns:1fr;}}
.jb-ing-card{background:#fff;border-radius:12px;padding:22px 20px;border:1px solid var(--line);}
.jb-ing-card h4{font-size:1.08rem;margin:0 0 8px;font-family:'Poppins',sans-serif;}
.jb-ing-card p{margin:0;color:var(--stone);font-size:.92rem;}
.jb-ing-warn{color:var(--amber-dark);font-weight:700;font-size:.82rem;display:block;margin-top:8px;}

/* ---------- Benefits ---------- */
.jb-benefit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
@media(max-width:900px){.jb-benefit-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(max-width:620px){.jb-benefit-grid{grid-template-columns:1fr;}}
.jb-benefit-card{background:#fff;border-radius:14px;padding:26px 22px;border:1px solid var(--line);}
.jb-benefit-card .mark{color:var(--amber);font-weight:800;font-size:1.2rem;margin-right:6px;}
.jb-benefit-card h4{font-size:1.05rem;font-family:'Poppins',sans-serif;margin:8px 0 8px;}
.jb-benefit-card p{margin:0;color:var(--stone);font-size:.94rem;}

/* ---------- Pricing ---------- */
.jb-pricing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;align-items:stretch;}
@media(max-width:900px){.jb-pricing-grid{grid-template-columns:1fr;max-width:420px;margin:0 auto;}}
.jb-price-card{
  background:#fff;border-radius:18px;
  padding:30px 24px;text-align:center;position:relative;display:flex;flex-direction:column;
  border:2px solid var(--line);
}
.jb-price-card.featured{
  border-color:var(--amber);
  box-shadow:0 22px 40px rgba(232,135,30,.18);
  transform:translateY(-8px);
}
@media(max-width:900px){.jb-price-card.featured{transform:none;}}
.jb-ribbon{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:var(--amber);color:#fff;font-weight:800;
  font-size:.76rem;letter-spacing:.5px;text-transform:uppercase;
  padding:6px 16px;border-radius:20px;white-space:nowrap;
}
.jb-ribbon.value{background:var(--slate-dark);}
.jb-price-card img.bottle{max-width:min(170px,100%);margin:6px auto 14px;}
.jb-pack-title{font-family:'Poppins',sans-serif;font-weight:700;font-size:1.4rem;}
.jb-pack-sub{color:var(--stone);font-size:.9rem;margin-bottom:14px;}
.jb-perbottle{font-family:'Poppins',sans-serif;font-weight:700;font-size:2.4rem;color:var(--slate-dark);line-height:1;}
.jb-perbottle span{font-family:'Nunito',sans-serif;font-size:.9rem;font-weight:400;color:var(--stone);}
.jb-total{font-weight:800;margin:10px 0 2px;}
.jb-total s{color:var(--stone);font-weight:400;}
.jb-ship{font-size:.86rem;font-weight:800;margin-bottom:18px;color:var(--amber-dark);}
.jb-ship.paid{color:var(--stone);}
.jb-price-card .btn-jb{width:100%;justify-content:center;margin-top:auto;}
.jb-cards-img{max-width:min(190px,100%);margin:14px auto 0;opacity:.85;}

/* ---------- Stock warning ---------- */
.jb-warning{
  background:#fff3e6;border:2px dashed var(--amber);border-radius:14px;
  padding:18px 24px;text-align:center;color:var(--amber-dark);font-weight:800;
  font-size:1rem;
}

/* ---------- Guarantee ---------- */
.jb-guarantee{display:flex;align-items:center;gap:44px;flex-wrap:wrap;background:#fff;border-radius:18px;padding:40px;border:1px solid var(--line);}
.jb-guarantee img{max-width:min(180px,100%);margin:0 auto;}
.jb-guarantee-copy{flex:1 1 360px;min-width:0;}
.jb-guarantee-copy h3{font-size:1.8rem;margin-bottom:14px;}
.jb-guarantee-copy p{color:var(--stone);}

/* ---------- Final CTA ---------- */
.jb-final-cta{
  background:linear-gradient(135deg,var(--slate-dark) 0%,var(--slate) 100%);
  color:#fff;text-align:center;border-radius:20px;padding:56px 30px;
  border:1px solid rgba(232,135,30,.3);
}
.jb-final-cta h2{color:#fff;font-size:2.2rem;}
.jb-final-cta img{max-width:min(220px,100%);margin:24px auto;}
.jb-final-cta .old-price{text-decoration:line-through;opacity:.7;font-size:1.1rem;}
.jb-final-cta .new-price{font-family:'Poppins',sans-serif;font-weight:700;color:var(--amber);font-size:2.3rem;margin:6px 0 22px;}

/* ---------- FAQ ---------- */
.jb-faq-item{border-bottom:1px solid var(--line);}
.jb-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:800;font-size:1.08rem;color:var(--slate-dark);font-family:'Poppins',sans-serif;gap:16px;
}
.jb-faq-q::after{content:'+';font-size:1.5rem;color:var(--amber-dark);transition:transform .2s;flex-shrink:0;}
.jb-faq-item.open .jb-faq-q::after{transform:rotate(45deg);}
.jb-faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.jb-faq-a p{padding:0 4px 20px;margin:0;color:var(--stone);}

/* ---------- Footer ---------- */
.jb-footer{background:var(--slate-dark);color:#aeb5b7;padding:44px 0 30px;font-size:.9rem;}
.jb-footer a{color:#dfe3e4;}
.jb-footer a:hover{color:var(--amber);}
.jb-footer hr{border-color:rgba(255,255,255,.12);margin:26px 0;}

/* ---------- Sticky mobile order bar ---------- */
.jb-sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1030;
  background:var(--slate-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(--amber);
}
.jb-sticky-bar .price{color:#fff;line-height:1.2;}
.jb-sticky-bar .price b{color:var(--amber);font-size:1.1rem;font-family:'Poppins',sans-serif;}
.jb-sticky-bar .price small{display:block;color:#aeb5b7;font-size:.72rem;}
@media(max-width:900px){.jb-sticky-bar{display:flex;}body{padding-bottom:70px;}}

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