/* ===================================================================
   THERMO BURN PRO — custom design system
   Palette: charcoal-plum #241417 | ember #e8541f | gold #ffb100
            cream #fff8f0 | warm-slate #6b5b52 | line #efe2d8
   Display: 'Bebas Neue' (tall condensed, poster energy)
   Body:    'Work Sans' (clean warm sans)
   Signature: heat-gradient "burn timeline"
=================================================================== */

:root{
  --plum:#241417;
  --plum-2:#331c20;
  --ember:#e8541f;
  --ember-dark:#c9421a;
  --gold:#ffb100;
  --cream:#fff8f0;
  --slate:#6b5b52;
  --line:#efe2d8;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:'Work Sans',sans-serif;
  color:var(--plum);
  background:var(--cream);
  margin:0;
  font-size:17px;
  line-height:1.66;
}
h1,h2,h3,h4,.tb-display{
  font-family:'Bebas Neue',sans-serif;
  font-weight:400;
  letter-spacing:.5px;
  line-height:1.05;
  color:var(--plum);
}
.tb-eyebrow{
  font-family:'Work Sans',sans-serif;
  text-transform:uppercase;
  letter-spacing:2.5px;
  font-weight:700;
  font-size:.78rem;
  color:var(--ember);
}
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-tb{
  display:inline-flex;align-items:center;gap:10px;
  background:linear-gradient(135deg,var(--ember) 0%,var(--gold) 100%);
  color:#fff;
  font-family:'Bebas Neue',sans-serif;
  font-weight:400;letter-spacing:1px;
  font-size:1.15rem;
  padding:15px 32px;
  border-radius:8px;
  border:none;
  cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease;
  box-shadow:0 10px 24px rgba(232,84,31,.35);
}
.btn-tb:hover{transform:translateY(-2px);color:#fff;box-shadow:0 14px 30px rgba(232,84,31,.45);}
.btn-tb-outline{
  display:inline-flex;align-items:center;gap:10px;
  background:transparent;
  border:2px solid var(--plum);
  color:var(--plum);
  font-family:'Bebas Neue',sans-serif;font-weight:400;letter-spacing:1px;font-size:1.1rem;
  padding:13px 28px;border-radius:8px;transition:all .15s ease;
}
.btn-tb-outline:hover{background:var(--plum);color:#fff;}

/* ---------- Navbar ---------- */
.tb-nav{
  position:sticky;top:0;z-index:1000;
  background:var(--cream);
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.tb-nav .container{display:flex;align-items:center;justify-content:space-between;}
.tb-logo{
  font-family:'Bebas Neue',sans-serif;
  color:var(--plum);
  font-size:1.7rem;letter-spacing:1px;
}
.tb-logo span{color:var(--ember);}
.tb-nav-links{display:flex;gap:30px;list-style:none;margin:0;padding:0;align-items:center;}
.tb-nav-links a{color:var(--plum);font-weight:600;font-size:.95rem;opacity:.82;}
.tb-nav-links a:hover{opacity:1;color:var(--ember);}
.tb-nav-toggle{display:none;background:none;border:none;color:var(--plum);font-size:1.8rem;cursor:pointer;}

@media(max-width:900px){
  .tb-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;
  }
  .tb-nav-links.open{display:flex;}
  .tb-nav-links li{width:100%;border-bottom:1px solid var(--line);}
  .tb-nav-links a{display:block;padding:16px 24px;}
  .tb-nav-cta{display:none;}
  .tb-nav-toggle{display:block;}
}

/* ---------- Hero ---------- */
.tb-hero{
  background:radial-gradient(ellipse at 80% 0%, #3a1f1a 0%, var(--plum) 55%);
  color:#fff;
  padding:66px 0 0;
  position:relative;
  overflow:hidden;
}
.tb-hero-row{display:flex;align-items:center;gap:48px;flex-wrap:wrap;position:relative;z-index:2;}
.tb-hero-copy{flex:1 1 440px;min-width:0;}
.tb-hero-copy h1{font-size:3.1rem;color:#fff;margin:14px 0 20px;}
.tb-hero-copy h1 em{font-style:normal;background:linear-gradient(90deg,var(--ember),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent;}
.tb-hero-copy p{color:#d8cac2;font-size:1.08rem;max-width:520px;}
.tb-hero-img{flex:1 1 300px;min-width:0;text-align:center;}
.tb-hero-img img{max-width:min(280px,100%);margin:0 auto;filter:drop-shadow(0 26px 40px rgba(0,0,0,.5));}
.tb-hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-top:28px;}
.tb-rating-inline{display:flex;align-items:center;gap:12px;margin-top:28px;color:#d8cac2;font-weight:600;}
.tb-rating-inline .stars{color:var(--gold);letter-spacing:2px;font-size:1.2rem;}

/* burn-timeline signature */
.tb-timeline{margin-top:46px;padding:26px 0 40px;position:relative;z-index:2;}
.tb-timeline-track{position:relative;height:8px;border-radius:6px;background:rgba(255,255,255,.12);overflow:hidden;margin-bottom:26px;}
.tb-timeline-fill{position:absolute;left:0;top:0;bottom:0;width:100%;background:linear-gradient(90deg,#ffd23f 0%,var(--gold) 25%,var(--ember) 60%,var(--ember-dark) 100%);}
.tb-timeline-steps{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.tb-tstep{flex:1 1 140px;text-align:center;}
.tb-tstep .tag{font-family:'Bebas Neue',sans-serif;letter-spacing:.5px;color:var(--gold);font-size:1.05rem;display:block;}
.tb-tstep p{color:#d8cac2;font-size:.85rem;margin:4px 0 0;}

/* heat-shimmer divider */
.tb-heat-divider{height:56px;width:100%;overflow:hidden;line-height:0;}
.tb-heat-divider svg{display:block;width:100%;height:100%;}

/* ---------- Section shells ---------- */
.tb-section{padding:78px 0;}
.tb-section-tint{background:#fdf0e6;}
.tb-section-dark{background:var(--plum);color:#ecdfd8;}
.tb-section-dark h2,.tb-section-dark h3{color:#fff;}
.tb-head{text-align:center;max-width:680px;margin:0 auto 46px;}
.tb-head h2{font-size:2.3rem;margin-top:8px;}

/* ---------- Trust badges ---------- */
.tb-badges{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
@media(max-width:800px){.tb-badges{grid-template-columns:repeat(2,minmax(0,1fr));}}
.tb-badge-card{
  background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:24px 18px;text-align:center;
}
.tb-badge-card img{max-width:min(150px,100%);margin:0 auto 14px;}
.tb-badge-card p{font-weight:700;color:var(--plum);margin:0;font-size:1rem;}

/* ---------- Testimonials ---------- */
.tb-testi-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
@media(max-width:900px){.tb-testi-grid{grid-template-columns:1fr;}}
.tb-testi-card{background:#fff;border-radius:10px;padding:28px 24px;border:1px solid var(--line);}
.tb-testi-top{display:flex;align-items:center;gap:14px;margin-bottom:12px;}
.tb-testi-top img{width:54px;height:54px;border-radius:50%;object-fit:cover;}
.tb-testi-name{font-weight:700;color:var(--plum);}
.tb-testi-loc{color:var(--slate);font-size:.85rem;}
.tb-stars{color:var(--ember);letter-spacing:2px;margin-bottom:8px;}
.tb-testi-card p{color:var(--slate);font-size:.94rem;margin:0;}

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

/* ---------- About / How it works ---------- */
.tb-row{display:flex;align-items:center;gap:52px;flex-wrap:wrap;}
.tb-row.reverse{flex-direction:row-reverse;}
.tb-row-img{flex:1 1 260px;min-width:0;text-align:center;}
.tb-row-img img{max-width:min(250px,100%);margin:0 auto;}
.tb-row-copy{flex:1 1 440px;min-width:0;}
.tb-row-copy h2{font-size:2.1rem;margin-bottom:16px;}
.tb-row-copy p{color:var(--slate);}
.tb-section-dark .tb-row-copy p{color:#d8cac2;}

/* ---------- Ingredient pathway cards ---------- */
.tb-ing-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
@media(max-width:700px){.tb-ing-grid{grid-template-columns:1fr;}}
.tb-ing-card{background:#fff;border-radius:10px;padding:22px 22px;border:1px solid var(--line);}
.tb-ing-card .path-tag{
  display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:1px;text-transform:uppercase;
  color:#fff;background:var(--ember);padding:4px 12px;border-radius:14px;margin-bottom:10px;
}
.tb-ing-card h4{font-size:1.1rem;margin:0 0 8px;font-family:'Bebas Neue',sans-serif;letter-spacing:.4px;}
.tb-ing-card p{margin:0;color:var(--slate);font-size:.94rem;}

/* ---------- Benefits ---------- */
.tb-benefit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
@media(max-width:900px){.tb-benefit-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:620px){.tb-benefit-grid{grid-template-columns:1fr;}}
.tb-benefit-card{background:#fff;border-radius:10px;padding:26px 22px;border:1px solid var(--line);}
.tb-benefit-card .flame{font-size:1.4rem;display:block;margin-bottom:10px;}
.tb-benefit-card h4{font-size:1.15rem;font-family:'Bebas Neue',sans-serif;letter-spacing:.4px;margin:0 0 8px;}
.tb-benefit-card p{margin:0;color:var(--slate);font-size:.94rem;}

/* ---------- Pricing ---------- */
.tb-pricing-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;align-items:stretch;}
@media(max-width:900px){.tb-pricing-grid{grid-template-columns:1fr;max-width:420px;margin:0 auto;}}
.tb-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);
}
.tb-price-card.featured{
  border-color:var(--ember);
  box-shadow:0 22px 40px rgba(232,84,31,.18);
  transform:translateY(-8px);
}
@media(max-width:900px){.tb-price-card.featured{transform:none;}}
.tb-ribbon{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:linear-gradient(90deg,var(--ember),var(--gold));color:#fff;font-weight:700;
  font-size:.76rem;letter-spacing:.5px;text-transform:uppercase;
  padding:6px 16px;border-radius:20px;white-space:nowrap;
}
.tb-ribbon.value{background:var(--plum);}
.tb-price-card img.bottle{max-width:min(150px,100%);margin:6px auto 14px;}
.tb-pack-title{font-family:'Bebas Neue',sans-serif;font-size:1.6rem;letter-spacing:.5px;}
.tb-pack-sub{color:var(--slate);font-size:.9rem;margin-bottom:14px;}
.tb-perbottle{font-family:'Bebas Neue',sans-serif;font-size:2.6rem;color:var(--plum);line-height:1;}
.tb-perbottle span{font-family:'Work Sans',sans-serif;font-size:.9rem;font-weight:400;color:var(--slate);letter-spacing:0;}
.tb-total{font-weight:700;margin:10px 0 2px;}
.tb-ship{font-size:.86rem;font-weight:700;margin-bottom:18px;color:var(--ember-dark);}
.tb-ship.paid{color:var(--slate);}
.tb-price-card .btn-tb{width:100%;justify-content:center;margin-top:auto;}
.tb-cards-img{max-width:min(190px,100%);margin:14px auto 0;opacity:.85;}

/* ---------- Stock warning ---------- */
.tb-warning{
  background:#fdf0e6;border:2px dashed var(--ember);border-radius:10px;
  padding:18px 24px;text-align:center;color:var(--ember-dark);font-weight:700;
  font-size:1rem;
}

/* ---------- Guarantee ---------- */
.tb-guarantee{display:flex;align-items:center;gap:44px;flex-wrap:wrap;background:#fff;border-radius:14px;padding:40px;border:1px solid var(--line);}
.tb-guarantee img{max-width:min(180px,100%);margin:0 auto;}
.tb-guarantee-copy{flex:1 1 360px;}
.tb-guarantee-copy h3{font-size:1.9rem;margin-bottom:14px;}
.tb-guarantee-copy p{color:var(--slate);}

/* ---------- Final CTA ---------- */
.tb-final-cta{
  background:linear-gradient(135deg,var(--plum) 0%,var(--plum-2) 100%);
  color:#fff;text-align:center;border-radius:18px;padding:56px 30px;
  border:1px solid rgba(232,84,31,.3);
}
.tb-final-cta h2{color:#fff;font-size:2.3rem;}
.tb-final-cta img{max-width:min(210px,100%);margin:24px auto;}
.tb-final-cta .old-price{text-decoration:line-through;opacity:.7;font-size:1.1rem;}
.tb-final-cta .new-price{font-family:'Bebas Neue',sans-serif;font-size:2.6rem;letter-spacing:.5px;background:linear-gradient(90deg,var(--ember),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent;margin:6px 0 22px;}

/* ---------- FAQ ---------- */
.tb-faq-item{border-bottom:1px solid var(--line);}
.tb-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:700;font-size:1.1rem;color:var(--plum);font-family:'Work Sans',sans-serif;
}
.tb-faq-q::after{content:'+';font-family:'Bebas Neue',sans-serif;font-size:1.6rem;color:var(--ember);transition:transform .2s;}
.tb-faq-item.open .tb-faq-q::after{transform:rotate(45deg);}
.tb-faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.tb-faq-a p{padding:0 4px 20px;margin:0;color:var(--slate);}

/* ---------- Footer ---------- */
.tb-footer{background:var(--plum);color:#c9bab1;padding:44px 0 30px;font-size:.9rem;}
.tb-footer a{color:#ecdfd8;}
.tb-footer a:hover{color:var(--ember);}
.tb-footer hr{border-color:rgba(255,255,255,.12);margin:26px 0;}

/* ---------- Sticky mobile order bar ---------- */
.tb-sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1030;
  background:var(--plum);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(--ember);
}
.tb-sticky-bar .price{color:#fff;line-height:1.2;}
.tb-sticky-bar .price b{color:var(--gold);font-size:1.1rem;font-family:'Bebas Neue',sans-serif;}
.tb-sticky-bar .price small{display:block;color:#c9bab1;font-size:.72rem;}
@media(max-width:900px){.tb-sticky-bar{display:flex;}body{padding-bottom:70px;}}

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