/* ============================================================
   BreathiZen — Authorized Distribution Portal
   Dark editorial theme · Bootstrap 5.3.3 companion
   ============================================================ */

/* --- Tokens --- */
:root {
  --bz-bg: #1b2838;
  --bz-bg-alt: #1f2f40;
  --bz-bg-card: #223248;
  --bz-text: #dce3eb;
  --bz-text-muted: #8a9bb5;
  --bz-heading: #edf2f7;
  --bz-link: #7eb8e0;
  --bz-primary: #5B7FAD;
  --bz-primary-light: #7ba3cc;
  --bz-accent: #c4a35a;
  --bz-accent-dark: #9e7d3a;
  --bz-border: #2d4055;
  --bz-success: #4caf80;
  --bz-font-heading: Georgia, 'Times New Roman', serif;
  --bz-font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --bz-radius: 6px;
  --bz-max-w: 820px;
}

/* --- Reset & base --- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--bz-font-body);font-size:1rem;line-height:1.72;
  color:var(--bz-text);background:var(--bz-bg);
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
a{color:var(--bz-link);text-decoration:none;transition:color .2s}
a:hover{color:var(--bz-accent);text-decoration:underline}
img{max-width:100%;height:auto;display:block}
::selection{background:var(--bz-primary);color:#fff}

/* --- Skip to content --- */
.bz-skip{position:absolute;left:-9999px;top:0;z-index:9999;background:var(--bz-primary);color:#fff;padding:8px 16px;font-size:.875rem}
.bz-skip:focus{left:8px;top:8px}

/* --- Top bar --- */
.bz-topbar{
  background:var(--bz-bg-alt);border-bottom:1px solid var(--bz-border);
  font-size:.8rem;color:var(--bz-text-muted);padding:6px 0;
}
.bz-topbar a{color:var(--bz-text-muted)}
.bz-topbar a:hover{color:var(--bz-accent)}

/* --- Navigation --- */
.bz-nav{background:var(--bz-bg);border-bottom:1px solid var(--bz-border);position:sticky;top:0;z-index:100}
.bz-nav .navbar-brand{font-family:var(--bz-font-heading);font-size:1.15rem;color:var(--bz-heading);font-weight:700;letter-spacing:.5px}
.bz-nav .navbar-brand span{color:var(--bz-primary)}
.bz-nav .nav-link{color:var(--bz-text-muted);font-size:.875rem;padding:.5rem .75rem}
.bz-nav .nav-link:hover,.bz-nav .nav-link:focus{color:var(--bz-heading)}
.bz-nav .navbar-toggler{border-color:var(--bz-border);color:var(--bz-text-muted)}
.bz-nav .navbar-toggler-icon{filter:invert(1) brightness(.7)}
.bz-nav-cta{
  background:var(--bz-primary);color:#fff!important;border-radius:var(--bz-radius);
  padding:.4rem 1rem!important;font-weight:600;font-size:.8rem!important;white-space:nowrap;
}
.bz-nav-cta:hover{background:var(--bz-accent);color:#1b2838!important;text-decoration:none}

/* --- Breadcrumb --- */
.bz-breadcrumb{font-size:.8rem;padding:12px 0;color:var(--bz-text-muted)}
.bz-breadcrumb a{color:var(--bz-text-muted)}
.bz-breadcrumb a:hover{color:var(--bz-link)}

/* --- Section wrapper --- */
.bz-section{padding:4rem 0}
.bz-section:nth-child(even){background:var(--bz-bg-alt)}
.bz-section-inner{max-width:var(--bz-max-w);margin:0 auto;padding:0 1.25rem}

/* --- Section labels & headings --- */
.bz-label{
  font-size:.7rem;text-transform:uppercase;letter-spacing:2px;
  color:var(--bz-primary);font-weight:700;margin-bottom:.5rem;
}
h1,h2,h3,h4,h5{font-family:var(--bz-font-heading);color:var(--bz-heading);line-height:1.3}
h1{font-size:1.8rem;margin-bottom:1rem}
h2{font-size:1.45rem;margin-bottom:1rem}
h3{font-size:1.15rem;margin-bottom:.75rem}

/* --- Hero --- */
.bz-hero{padding:5rem 0 4rem;border-bottom:1px solid var(--bz-border)}
.bz-hero h1{font-size:2rem;max-width:620px}
.bz-hero h1 em{font-style:italic;color:var(--bz-primary)}
.bz-hero-lead{font-size:1.05rem;max-width:560px;margin-bottom:1.5rem;color:var(--bz-text)}
.bz-hero-cta{
  display:inline-block;background:var(--bz-primary);color:#fff;
  padding:.85rem 2rem;border-radius:var(--bz-radius);font-weight:700;
  font-size:1rem;transition:background .2s;
}
.bz-hero-cta:hover{background:var(--bz-accent);color:#1b2838;text-decoration:none}
.bz-hero-sub{font-size:.85rem;color:var(--bz-text-muted);margin-top:.5rem}
.bz-hero-bottle{max-width:320px;margin:0 auto}
.bz-hero-badges{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}
.bz-hero-badge{
  font-size:.72rem;background:var(--bz-bg-card);border:1px solid var(--bz-border);
  color:var(--bz-text-muted);padding:4px 10px;border-radius:20px;
}

/* --- Stats strip --- */
.bz-stats{display:flex;gap:2rem;flex-wrap:wrap;margin:2rem 0}
.bz-stat{text-align:center;flex:1;min-width:120px}
.bz-stat-num{font-family:var(--bz-font-heading);font-size:1.6rem;color:var(--bz-primary);font-weight:700}
.bz-stat-label{font-size:.78rem;color:var(--bz-text-muted)}

/* --- Record sheet / info table --- */
.bz-record{margin:2rem 0}
.bz-record-badge{
  font-size:.7rem;background:var(--bz-bg-card);border:1px solid var(--bz-border);
  color:var(--bz-text-muted);display:inline-block;padding:3px 10px;border-radius:var(--bz-radius);
  margin-bottom:1rem;
}
.bz-table{width:100%;border-collapse:collapse;font-size:.9rem;margin:1.5rem 0}
.bz-table th,.bz-table td{
  padding:.65rem .9rem;text-align:left;border-bottom:1px solid var(--bz-border);
}
.bz-table th{color:var(--bz-text-muted);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:1px}
.bz-table td{color:var(--bz-text)}
.bz-table tr:last-child td{border-bottom:none}

/* --- Pillars / 3-column --- */
.bz-pillars{display:grid;grid-template-columns:1fr;gap:2rem;margin:2rem 0}
@media(min-width:768px){.bz-pillars{grid-template-columns:repeat(3,1fr)}}
.bz-pillar{
  background:var(--bz-bg-card);border:1px solid var(--bz-border);
  border-radius:var(--bz-radius);padding:1.5rem;
}
.bz-pillar-num{font-size:.7rem;color:var(--bz-primary);font-weight:700;text-transform:uppercase;letter-spacing:1.5px;margin-bottom:.5rem}
.bz-pillar h3{font-size:1.05rem}
.bz-pillar ul{list-style:none;padding:0;margin:.75rem 0 0}
.bz-pillar li{font-size:.85rem;color:var(--bz-primary);padding:3px 0}

/* --- Pricing --- */
.bz-pricing{display:grid;grid-template-columns:1fr;gap:1.5rem;margin:2rem 0}
@media(min-width:768px){.bz-pricing{grid-template-columns:repeat(3,1fr)}}
.bz-pack{
  background:var(--bz-bg-card);border:1px solid var(--bz-border);
  border-radius:var(--bz-radius);padding:1.5rem;text-align:center;
  display:flex;flex-direction:column;
}
.bz-pack-featured{border-color:var(--bz-primary);position:relative}
.bz-pack-featured::before{
  content:'Best value';position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--bz-primary);color:#fff;font-size:.7rem;font-weight:700;
  padding:2px 14px;border-radius:10px;
}
.bz-pack h3{font-size:1.1rem;margin-bottom:.25rem}
.bz-pack-desc{font-size:.82rem;color:var(--bz-text-muted);margin-bottom:1rem}
.bz-pack img{max-width:160px;margin:0 auto 1rem}
.bz-pack-price{font-size:2rem;font-family:var(--bz-font-heading);color:var(--bz-heading);font-weight:700}
.bz-pack-price sub{font-size:.85rem;color:var(--bz-text-muted);font-weight:400}
.bz-pack-was{font-size:.85rem;color:var(--bz-text-muted);margin:.25rem 0 .5rem}
.bz-pack-was s{color:var(--bz-text-muted)}
.bz-pack-total{font-size:.95rem;font-weight:700;color:var(--bz-heading);margin-bottom:1rem}
.bz-pack-list{list-style:none;padding:0;margin:0 0 1.25rem;font-size:.82rem;text-align:left}
.bz-pack-list li{padding:4px 0;color:var(--bz-text-muted)}
.bz-pack-list li::before{content:'✓ ';color:var(--bz-success)}
.bz-pack-btn{
  display:block;background:var(--bz-primary);color:#fff;
  padding:.7rem;border-radius:var(--bz-radius);font-weight:700;
  font-size:.9rem;margin-top:auto;transition:background .2s;
}
.bz-pack-btn:hover{background:var(--bz-accent);color:#1b2838;text-decoration:none}

/* --- Reviews --- */
.bz-reviews{margin:2rem 0}
.bz-review{
  background:var(--bz-bg-card);border:1px solid var(--bz-border);
  border-radius:var(--bz-radius);padding:1.25rem;margin-bottom:1.25rem;
  display:flex;gap:1rem;
}
.bz-review img{width:56px;height:56px;border-radius:50%;object-fit:cover;flex-shrink:0}
.bz-review-stars{color:var(--bz-accent);font-size:.9rem;margin-bottom:.25rem}
.bz-review-name{font-weight:700;color:var(--bz-heading);font-size:.9rem}
.bz-review-meta{font-size:.78rem;color:var(--bz-text-muted)}
.bz-review blockquote{margin:.5rem 0 0;font-size:.9rem;line-height:1.65;border:none;padding:0}

/* --- CTA band --- */
.bz-cta-band{
  background:linear-gradient(135deg,var(--bz-bg-card),var(--bz-bg-alt));
  border:1px solid var(--bz-border);border-radius:var(--bz-radius);
  padding:2rem;margin:2rem 0;
}
.bz-cta-band h2{margin-bottom:.5rem}
.bz-cta-list{list-style:none;padding:0;margin:1rem 0;font-size:.88rem}
.bz-cta-list li{padding:3px 0;color:var(--bz-text-muted)}
.bz-cta-list li::before{content:'✓ ';color:var(--bz-success)}
.bz-cta-buttons{display:flex;gap:1rem;flex-wrap:wrap;margin-top:1.25rem}

/* --- Floating banner --- */
.bz-float-banner{
  position:fixed;bottom:0;left:0;right:0;z-index:200;
  background:var(--bz-bg-card);border-top:2px solid var(--bz-primary);
  padding:10px 1rem;display:flex;align-items:center;justify-content:center;gap:1rem;
  font-size:.85rem;transition:transform .3s;
}
.bz-float-banner a{color:#fff;background:var(--bz-primary);padding:6px 16px;border-radius:var(--bz-radius);font-weight:700;font-size:.8rem;white-space:nowrap}
.bz-float-banner a:hover{background:var(--bz-accent);color:#1b2838;text-decoration:none}
.bz-float-close{cursor:pointer;color:var(--bz-text-muted);margin-left:8px;font-size:1.1rem;background:none;border:none}

/* --- Sources --- */
.bz-sources{margin:2rem 0}
.bz-sources ol{padding-left:1.5rem;font-size:.85rem;color:var(--bz-text-muted)}
.bz-sources li{margin-bottom:.5rem}

/* --- Commitments / 3-card --- */
.bz-commitments{display:grid;grid-template-columns:1fr;gap:1.5rem;margin:2rem 0}
@media(min-width:768px){.bz-commitments{grid-template-columns:repeat(3,1fr)}}
.bz-commit{padding:1.25rem}
.bz-commit-num{font-family:var(--bz-font-heading);font-size:1.8rem;color:var(--bz-primary);font-weight:700;line-height:1}

/* --- FAQ --- */
.bz-faq{margin:2rem 0}
.bz-faq details{border-bottom:1px solid var(--bz-border);padding:1rem 0}
.bz-faq summary{
  font-family:var(--bz-font-heading);font-size:1.05rem;color:var(--bz-heading);
  cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center;
}
.bz-faq summary::-webkit-details-marker{display:none}
.bz-faq summary::after{content:'+';font-size:1.2rem;color:var(--bz-primary);transition:transform .2s}
.bz-faq details[open] summary::after{content:'−'}
.bz-faq .bz-faq-body{padding:.75rem 0 .5rem;font-size:.92rem;line-height:1.7}

/* --- Footer --- */
.bz-footer{
  background:var(--bz-bg-alt);border-top:1px solid var(--bz-border);
  padding:3.5rem 0 1.5rem;font-size:.82rem;color:var(--bz-text-muted);
}
.bz-footer h4{font-size:.85rem;color:var(--bz-heading);margin-bottom:.75rem;font-family:var(--bz-font-heading)}
.bz-footer ul{list-style:none;padding:0;margin:0}
.bz-footer li{margin-bottom:.4rem}
.bz-footer a{color:var(--bz-text-muted)}
.bz-footer a:hover{color:var(--bz-link)}
.bz-footer-brand{
  font-family:var(--bz-font-heading);font-size:.9rem;color:var(--bz-heading);
  font-weight:700;margin-bottom:.5rem;
}
.bz-footer-company{font-size:.78rem;line-height:1.7;margin-top:1rem}
.bz-footer-bottom{
  border-top:1px solid var(--bz-border);margin-top:2rem;padding-top:1.25rem;
  font-size:.75rem;color:var(--bz-text-muted);
}
.bz-footer-disclaimer{font-size:.72rem;color:var(--bz-text-muted);margin-top:.75rem;line-height:1.6}
.bz-footer-editorial{font-size:.72rem;font-style:italic;color:var(--bz-text-muted);margin-top:.5rem}

/* --- Medical notice --- */
.bz-notice{
  background:var(--bz-bg-card);border-left:3px solid var(--bz-primary);
  padding:1rem 1.25rem;font-size:.85rem;color:var(--bz-text-muted);
  border-radius:0 var(--bz-radius) var(--bz-radius) 0;margin:2rem 0;
}

/* --- Utility --- */
.bz-muted{color:var(--bz-text-muted)}
.bz-small{font-size:.82rem}
.bz-divider{border:none;border-top:1px solid var(--bz-border);margin:2.5rem 0}
.bz-btn-secondary{
  display:inline-block;border:1px solid var(--bz-border);color:var(--bz-text);
  padding:.6rem 1.25rem;border-radius:var(--bz-radius);font-size:.88rem;transition:border-color .2s;
}
.bz-btn-secondary:hover{border-color:var(--bz-primary);color:var(--bz-heading);text-decoration:none}

/* --- Responsive --- */
@media(max-width:767px){
  .bz-hero{padding:3rem 0 2.5rem}
  h1{font-size:1.5rem}
  h2{font-size:1.25rem}
  .bz-stats{gap:1rem}
  .bz-stat-num{font-size:1.3rem}
  .bz-review{flex-direction:column}
  .bz-float-banner{font-size:.78rem;gap:.5rem}
}