/* BreathiZen - "Label Blue" system. Colours sampled from the bottle: powder-blue label, amber glass, lung-glow magenta. */
:root{--sky:#E6EEF8;--sky2:#D3E0F1;--paper:#fff;--ink:#14203A;--ink2:#2B3A58;--mute:#55627C;--glass:#8C3F14;--glass2:#B4581F;--amber:#F0A868;--glow:#B82B72;--steel:#2F5A9C;--line:#C9D6E8;--r:18px;--rl:32px;
--fd:"Red Hat Display",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;--ft:"Red Hat Text",system-ui,-apple-system,"Segoe UI",Arial,sans-serif}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:var(--ft);color:var(--ink);background:var(--paper);font-size:1.0625rem;line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body:not(.bx-allow) *{-webkit-user-select:none;user-select:none}input,textarea{-webkit-user-select:text!important;user-select:text!important}
h1,h2,h3,h4{font-family:var(--fd);color:var(--ink);font-weight:900;letter-spacing:-.02em;line-height:1.12}
h1{font-size:clamp(2.3rem,5.2vw,4rem)}h2{font-size:clamp(1.8rem,3.4vw,2.7rem);margin-bottom:1rem}h3{font-size:1.25rem;font-weight:700;letter-spacing:-.01em}
p{max-width:70ch}a{color:var(--steel);text-underline-offset:3px}a:hover{color:var(--glass)}
img{max-width:100%;height:auto}
:focus-visible{outline:3px solid var(--glow);outline-offset:3px;border-radius:6px}
.bx-skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;z-index:2000}.bx-skip:focus{left:8px;top:8px}
.bx-top{background:var(--ink);color:#DDE7F5;text-align:center;font-size:.9rem;padding:.5rem 1rem}
.bx-nav{background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);padding:.55rem 0}
.bx-logo{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--fd);font-size:1.5rem;font-weight:400;color:var(--ink);letter-spacing:-.02em}.bx-logo b{font-weight:900}
.bx-nav .nav-link{color:var(--ink2);font-weight:500;font-size:.97rem;padding:.5rem .7rem!important;border-radius:999px}.bx-nav .nav-link:hover,.bx-nav .nav-link.active{background:var(--sky);color:var(--ink)}
.navbar-toggler{border:1px solid var(--line);border-radius:12px}
.bx-btn{background:linear-gradient(180deg,var(--glass2),var(--glass));color:#fff;font-family:var(--fd);font-weight:700;border:0;border-radius:999px;padding:.8rem 1.6rem;box-shadow:0 6px 0 #5E2A0C,0 14px 24px rgba(140,63,20,.25);transition:transform .12s,box-shadow .12s}
.bx-btn:hover,.bx-btn:focus{color:#fff;transform:translateY(2px);box-shadow:0 4px 0 #5E2A0C,0 10px 18px rgba(140,63,20,.25)}.bx-btn:active{transform:translateY(6px);box-shadow:0 0 0 #5E2A0C}
.bx-btn-sm{padding:.5rem 1.1rem;font-size:.95rem;box-shadow:0 4px 0 #5E2A0C}.bx-btn-lg{padding:1rem 2rem;font-size:1.1rem}
.bx-ghost{display:inline-block;font-family:var(--fd);font-weight:700;color:var(--ink);padding:.8rem 1.2rem;border-radius:999px;border:2px solid var(--ink);text-decoration:none}.bx-ghost:hover{background:var(--ink);color:#fff}
/* hero */
.bx-hero{background:var(--sky);padding:3.5rem 0 0;position:relative;overflow:hidden}
.bx-hero h1 span{font-weight:400}
.bx-hero p{font-size:1.15rem;color:var(--ink2)}
.bx-hero-cta{display:flex;flex-wrap:wrap;gap:1rem;align-items:center;margin:1.6rem 0 1rem}
.bx-hero-note{font-size:.93rem;color:var(--mute)}
.bx-pacer{position:relative;width:min(100%,520px);aspect-ratio:1;margin:0 auto;display:grid;place-items:center}
.bx-ring{position:absolute;inset:0;border-radius:50%;background:var(--sky2);transform:scale(.78);transition:transform 4s cubic-bezier(.4,0,.2,1)}
.bx-ring.r2{background:#C3D4EB;inset:12%}.bx-ring.r3{background:#B1C6E4;inset:24%}
.bx-pacer.in .bx-ring{transform:scale(1)}.bx-pacer.out .bx-ring{transform:scale(.78);transition-duration:6s}
.bx-pacer img{position:relative;z-index:2;width:92%;filter:drop-shadow(0 30px 30px rgba(20,32,58,.28))}
.bx-pacer-ui{position:relative;z-index:3;display:flex;flex-direction:column;align-items:center;gap:.4rem;margin-top:-1.2rem;padding-bottom:2rem}
.bx-pacer-btn{background:var(--ink);color:#fff;border:0;border-radius:999px;padding:.6rem 1.2rem;font-family:var(--fd);font-weight:700;font-size:.95rem}
.bx-pacer-btn:hover{background:var(--glow)}
.bx-pacer-say{font-family:var(--fd);font-weight:700;color:var(--ink);min-height:1.6em}
.bx-strip{background:var(--ink);color:#fff;clip-path:polygon(0 0,100% 0,calc(100% - 38px) 100%,38px 100%);max-width:1100px;margin:0 auto;padding:1.1rem 3.4rem}
.bx-strip dl{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin:0;text-align:center}
.bx-strip dt{font-family:var(--fd);font-weight:900;font-size:1.35rem;color:var(--amber)}.bx-strip dd{margin:0;font-size:.88rem;color:#CFDAEC}
/* sections */
.bx-sec{padding:5rem 0}.bx-sec.sky{background:var(--sky)}.bx-sec.ink{background:var(--ink);color:#DCE6F4}.bx-sec.ink h2,.bx-sec.ink h3{color:#fff}.bx-sec.ink a{color:var(--amber)}
.bx-sub{font-size:1.15rem;color:var(--mute);max-width:62ch}.bx-sec.ink .bx-sub{color:#B9C7DD}
.bx-center{text-align:center}.bx-center p,.bx-center .bx-sub{margin-left:auto;margin-right:auto}
.bx-img{display:block;margin-left:auto;margin-right:auto}
.bx-why{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:2px solid var(--ink);margin-top:2.5rem}
.bx-why>div{padding:1.6rem 1.6rem 1.6rem 0;border-bottom:1px solid var(--line)}.bx-why>div:not(:nth-child(3n)){border-right:1px solid var(--line);margin-right:1.6rem}
.bx-why h3{margin-bottom:.4rem}.bx-why p{margin:0;color:var(--ink2);font-size:1rem}
.bx-answer{background:var(--paper);border-left:6px solid var(--glow);border-radius:0 var(--r) var(--r) 0;padding:1.2rem 1.5rem;margin:1.5rem 0;box-shadow:0 10px 30px rgba(20,32,58,.07)}
.bx-answer p{margin:0}.bx-answer-q{font-family:var(--fd);font-weight:900;font-size:1.1rem;margin-bottom:.3rem!important}
.bx-badges{display:flex;flex-wrap:wrap;gap:1.2rem;align-items:center;justify-content:center;margin-top:2rem}.bx-badges img{height:74px;width:auto}
/* supplement facts */
.bx-facts{background:#fff;border:3px solid #111;padding:1rem 1.1rem;color:#111;font-family:Arial,Helvetica,sans-serif;font-size:.92rem;line-height:1.4;max-width:420px}
.bx-facts h3{font-family:Arial,Helvetica,sans-serif;font-size:1.9rem;font-weight:900;color:#111;border-bottom:8px solid #111;padding-bottom:.2rem;margin:0 0 .3rem;letter-spacing:-.02em}
.bx-facts .row2{display:flex;justify-content:space-between;border-top:1px solid #111;padding:.3rem 0;font-weight:700}.bx-facts .thick{border-top:5px solid #111}.bx-facts p{margin:.3rem 0}
.bx-ing{display:grid;grid-template-columns:auto 1fr;gap:1.2rem 1.4rem;padding:1.5rem 0;border-bottom:1px solid var(--line)}
.bx-ing-n{font-family:var(--fd);font-weight:900;font-size:2.4rem;line-height:1;color:var(--sky2);-webkit-text-stroke:1.5px var(--ink)}
.bx-ing h3{margin-bottom:.15rem}.bx-ing em{color:var(--mute);font-size:.95rem}.bx-ing p{margin:.5rem 0 0;font-size:1rem}
.bx-meter{height:8px;border-radius:99px;background:var(--sky2);margin-top:.7rem;max-width:320px;overflow:hidden}.bx-meter i{display:block;height:100%;background:linear-gradient(90deg,var(--steel),var(--glow));border-radius:99px}
.bx-meter-l{font-size:.85rem;color:var(--mute);margin:.25rem 0 0!important}
/* steps */
.bx-steps{list-style:none;padding:0;margin:2rem 0 0;counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.bx-steps li{counter-increment:s;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--r);padding:1.4rem}
.bx-steps li::before{content:counter(s);display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--amber);color:var(--ink);font-family:var(--fd);font-weight:900;margin-bottom:.8rem}
.bx-steps h3{font-size:1.1rem}.bx-steps p{margin:0;font-size:.98rem}
.bx-steps.light li{background:#fff;border-color:var(--line)}.bx-steps.light li::before{background:var(--ink);color:#fff}
.bx-ben{list-style:none;padding:0;margin:1.5rem 0 0}.bx-ben li{padding:1rem 0 1rem 2.4rem;border-bottom:1px solid var(--line);position:relative}
.bx-ben li::before{content:"";position:absolute;left:0;top:1.35rem;width:22px;height:22px;border-radius:50%;border:5px solid var(--glow);box-shadow:0 0 0 4px rgba(184,43,114,.15)}
.bx-ben strong{font-family:var(--fd);font-size:1.1rem;display:block}
/* pricing */
.bx-price{background:#fff;border:1px solid var(--line);border-radius:var(--rl);padding:2rem 1.6rem;text-align:center;height:100%;position:relative;display:flex;flex-direction:column}
.bx-price.pop{border:3px solid var(--ink);box-shadow:0 30px 60px rgba(20,32,58,.18)}
.bx-price-tag{position:absolute;top:0;left:50%;transform:translate(-50%,-1px);background:var(--ink);color:#fff;font-family:var(--fd);font-weight:700;font-size:.9rem;padding:.35rem 2.2rem;clip-path:polygon(0 0,100% 0,calc(100% - 16px) 100%,16px 100%)}
.bx-price h3{font-size:1.5rem;margin-top:.8rem}.bx-price img{max-height:210px;width:auto;margin:0 auto 1rem}
.bx-amt{font-family:var(--fd);font-weight:900;font-size:3.4rem;line-height:1;color:var(--ink)}.bx-amt small{font-size:1rem;font-weight:500;color:var(--mute)}
.bx-price ul{list-style:none;padding:0;margin:1rem 0 1.4rem;font-size:.98rem;color:var(--ink2)}.bx-price li{padding:.3rem 0;border-bottom:1px dashed var(--line)}
.bx-price .btn{margin-top:auto}.bx-was{color:var(--mute);font-size:.95rem}.bx-was s{color:#8A94A8}
/* reviews */
.bx-rev{background:#fff;border-radius:var(--rl);padding:1.8rem;height:100%;border:1px solid var(--line)}
.bx-rev img{width:64px;height:64px;border-radius:50%;object-fit:cover}.bx-rev-h{display:flex;gap:.9rem;align-items:center;margin-bottom:.9rem}.bx-rev-h p{margin:0;line-height:1.3}.bx-rev-h small{color:var(--mute)}
.bx-stars{color:#C9820E;letter-spacing:2px;font-size:1rem}
.bx-guar{background:#fff;border-radius:var(--rl);padding:2.5rem;border:1px solid var(--line)}
/* faq */
.bx-faq-search{width:100%;border:2px solid var(--ink);border-radius:999px;padding:.85rem 1.4rem;font-size:1.05rem;margin-bottom:1.4rem;background:#fff}
.bx-faq .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.bx-faq .accordion-button{font-family:var(--fd);font-weight:700;font-size:1.12rem;color:var(--ink);background:transparent;padding:1.15rem .2rem;box-shadow:none}
.bx-faq .accordion-button:not(.collapsed){color:var(--glass)}.bx-faq .accordion-body{padding:.2rem .2rem 1.3rem;color:var(--ink2)}
.bx-faq-none{display:none;color:var(--mute)}
.bx-src{columns:2;column-gap:2.5rem;padding-left:1.1rem}.bx-src li{margin-bottom:.5rem;break-inside:avoid}
.bx-safety{background:#FFF4EA;border:1px solid #EBC9A8;border-radius:var(--r);padding:1.1rem 1.4rem;margin:1.5rem 0}.bx-safety p{margin:0;max-width:none;font-size:.98rem;color:#4A2A12}
.bx-band{background:var(--ink);color:#DCE6F4;padding:3.5rem 0}.bx-band h2{color:#fff;font-size:clamp(1.6rem,3vw,2.3rem)}.bx-band p{margin:0}
.bx-table{width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:.98rem}.bx-table th{background:var(--ink);color:#fff;text-align:left;padding:.75rem 1rem;font-family:var(--fd)}.bx-table td{padding:.75rem 1rem;border-bottom:1px solid var(--line);vertical-align:top}.bx-table tr:nth-child(even) td{background:#F5F8FC}
.bx-tw{overflow-x:auto}
/* inner pages */
.bx-phero{background:var(--sky);padding:3rem 0 3.2rem}.bx-phero h1{font-size:clamp(2rem,4.2vw,3.2rem);max-width:22ch}.bx-lede{font-size:1.18rem;color:var(--ink2);margin:1rem 0 0}
.bx-bc{font-size:.9rem;color:var(--mute);margin-bottom:1rem}.bx-bc a{color:var(--mute)}
.bx-prose{padding:3.5rem 0}.bx-prose h2{font-size:clamp(1.5rem,2.6vw,2rem);margin-top:2.6rem}.bx-prose h3{margin-top:1.8rem}.bx-prose ul,.bx-prose ol{max-width:68ch}.bx-prose li{margin-bottom:.45rem}
.bx-author{display:flex;gap:1rem;align-items:flex-start;background:var(--sky);border-radius:var(--r);padding:1.3rem 1.5rem;margin:2.5rem 0 0}.bx-author p{margin:0;font-size:.97rem;max-width:none}.bx-author svg{flex:0 0 44px}
/* footer */
.bx-foot{background:#0D1629;color:#AEBBD2;padding:4rem 0 6rem;font-size:.97rem}.bx-foot .bx-logo{color:#fff;margin-bottom:1rem}.bx-foot a{color:#DCE6F4;text-decoration:none}.bx-foot a:hover{color:var(--amber);text-decoration:underline}
.bx-fh{font-size:1rem;color:#fff;font-weight:700;margin-bottom:.8rem;letter-spacing:0}.bx-fl{list-style:none;padding:0;margin:0}.bx-fl li{margin-bottom:.45rem}
.bx-fine{border-top:1px solid rgba(255,255,255,.12);margin-top:2.5rem;padding-top:1.5rem;font-size:.87rem}.bx-fine p{max-width:none}
.bx-sticky{position:fixed;left:0;right:0;bottom:0;z-index:1040;background:#fff;border-top:1px solid var(--line);padding:.6rem 1rem;display:none;align-items:center;justify-content:space-between;box-shadow:0 -8px 24px rgba(20,32,58,.12)}
@media(max-width:991.98px){.bx-sticky{display:flex}.bx-why{grid-template-columns:1fr 1fr}.bx-why>div{border-right:0!important;margin-right:0!important;padding-right:1rem}.bx-steps{grid-template-columns:1fr 1fr}.bx-sec{padding:3.5rem 0}}
@media(max-width:575.98px){.bx-why,.bx-steps{grid-template-columns:1fr}.bx-strip{clip-path:none;padding:1rem}.bx-strip dl{grid-template-columns:1fr 1fr}.bx-src{columns:1}.bx-hero{padding-top:2.2rem}.bx-guar{padding:1.5rem}.bx-amt{font-size:2.8rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.bx-ring,.bx-btn{transition:none!important}}
p.bx-center{margin-left:auto;margin-right:auto}
.bx-why{gap:0 2rem}.bx-why>div,.bx-why>div:not(:nth-child(3n)){padding:1.5rem 0;border-right:0;margin-right:0}
.bx-badges img{height:92px}
@media(min-width:992px){.bx-stickcol{position:sticky;top:100px}}
.bx-hero .row{--bs-gutter-x:1.5rem}