/* Breathiterol (thebreathiterol.com) - "Amber Breeze" design. Prefix bt- */
@font-face{font-family:"Open Sans";src:url(../fonts/open-sans-latin-wght-normal.woff2) format("woff2");font-weight:300 800;font-style:normal;font-display:swap}
:root{--bt-ink:#2e1c0e;--bt-forest:#7a3b0c;--bt-deep:#2a170a;--bt-green:#c2650d;--bt-leaf:#fdf1de;--bt-leaf2:#f8dfb8;--bt-saf:#f6c026;--bt-turm:#e08a1e;--bt-bg:#fffaf1;--bt-line:#f0e2c8;--bt-mute:#8a7355;--bt-r:24px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Open Sans",system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--bt-ink);background:var(--bt-bg);font-size:16.5px;line-height:1.72;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto}
a{color:var(--bt-green)}a:hover{color:var(--bt-forest)}
h1,h2,h3,h4{font-weight:800;line-height:1.16;letter-spacing:-.02em;margin:0 0 .6em;color:var(--bt-ink)}
h1{font-size:clamp(2.1rem,5vw,3.45rem)}h2{font-size:clamp(1.6rem,3.3vw,2.3rem)}h3{font-size:1.18rem}
p{margin:0 0 1.05em}
.bt-wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}
.bt-sec{padding:76px 0;position:relative}
.bt-sec.bt-sky{background:var(--bt-leaf)}
.bt-sec.bt-navy{background:linear-gradient(160deg,var(--bt-forest),var(--bt-deep));color:#f1dcb8}
.bt-navy h1,.bt-navy h2,.bt-navy h3,.bt-navy h4{color:#fff}
.bt-eyebrow{display:inline-block;font-size:.76rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase;color:var(--bt-forest);background:var(--bt-leaf2);padding:6px 14px;border-radius:99px;margin-bottom:16px}
.bt-navy .bt-eyebrow{color:var(--bt-saf);background:rgba(246,192,38,.16)}
.bt-lead{font-size:1.14rem;color:var(--bt-mute)}.bt-navy .bt-lead{color:#e3c493}
.bt-center{text-align:center}.bt-narrow{max-width:760px;margin-left:auto;margin-right:auto}
/* header: centered logo, nav row beneath */
.bt-announce{background:var(--bt-saf);color:#2a1a00;font-size:.85rem;font-weight:700;text-align:center;padding:8px 12px}
.bt-head{position:sticky;top:0;z-index:50;background:rgba(255,250,241,.97);backdrop-filter:blur(8px);border-bottom:1px solid var(--bt-line)}
.bt-nav{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;min-height:74px}
.bt-logo{display:flex;align-items:center;gap:10px;color:var(--bt-forest);text-decoration:none;font-weight:800;font-size:1.4rem;letter-spacing:-.02em;white-space:nowrap;justify-self:center;grid-column:2}
.bt-logo:hover{color:var(--bt-green)}.bt-logo img{width:42px;height:42px;border-radius:50%}
.bt-logo sup{font-size:.55em;color:var(--bt-turm)}
.bt-nav-left{grid-column:1;grid-row:1;display:flex}
.bt-nav-right{grid-column:3;display:flex;justify-content:flex-end;align-items:center;gap:10px}
.bt-menu{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.bt-menu a{display:block;padding:8px 10px;white-space:nowrap;color:var(--bt-ink);text-decoration:none;font-size:.88rem;font-weight:600;border-radius:99px}
.bt-menu a:hover,.bt-menu a.on{color:#fff;background:var(--bt-forest)}
.bt-burger{display:none;background:#fff;border:1.5px solid var(--bt-line);color:var(--bt-forest);border-radius:12px;width:44px;height:44px;font-size:1.3rem;line-height:1}
.bt-navrow{border-top:1px solid var(--bt-line);background:#fff}
.bt-navrow .bt-menu{justify-content:center;padding:6px 0}
/* buttons */
.bt-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:14px;font-weight:800;font-size:1rem;text-decoration:none;border:2px solid transparent;transition:transform .15s,box-shadow .2s,background .2s;cursor:pointer;text-align:center;white-space:nowrap}
.bt-btn-main{background:linear-gradient(135deg,var(--bt-saf),var(--bt-turm));color:#2a1a00;box-shadow:0 10px 24px rgba(224,138,30,.35)}
.bt-btn-main:hover{color:#2a1a00;transform:translateY(-2px);box-shadow:0 14px 30px rgba(224,138,30,.5)}
.bt-btn-blue{background:var(--bt-forest);color:#fff;box-shadow:0 10px 24px rgba(122,59,12,.3)}.bt-btn-blue:hover{background:var(--bt-green);color:#fff}
.bt-btn-line{border-color:var(--bt-forest);color:var(--bt-forest);background:transparent}.bt-btn-line:hover{background:var(--bt-forest);color:#fff}
.bt-btn-sm{padding:9px 20px;font-size:.9rem;border-radius:11px}
.bt-btn-block{display:flex;width:100%}
/* hero: arch frame + leaves */
.bt-hero{background:radial-gradient(800px 500px at 88% 45%,rgba(248,223,184,.9),transparent 65%),linear-gradient(180deg,#fff4e2,var(--bt-bg));padding:60px 0 70px;overflow:hidden}
.bt-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;grid-template-areas:"head arch" "rest arch";gap:0 36px;align-items:center}.bt-hero-head{grid-area:head;align-self:end}.bt-hero-rest{grid-area:rest;align-self:start}.bt-hero-grid>.bt-arch{grid-area:arch}
.bt-hero h1 em{font-style:normal;color:var(--bt-green)}
.bt-kicker{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--bt-line);border-radius:99px;padding:6px 16px 6px 8px;font-weight:700;font-size:.85rem;margin-bottom:18px;box-shadow:0 4px 14px rgba(122,59,12,.1)}
.bt-kicker i{width:24px;height:24px;border-radius:50%;background:var(--bt-saf);display:inline-block}
.bt-hot{display:inline-flex;gap:8px;align-items:center;background:var(--bt-forest);color:#fff;font-weight:800;font-size:.78rem;border-radius:99px;padding:5px 14px;margin:0 0 14px;letter-spacing:.05em;text-transform:uppercase}
.bt-hot:before{content:"";width:9px;height:9px;border-radius:50%;background:var(--bt-saf);animation:nrBlink 1.3s ease-in-out infinite}
@keyframes nrBlink{50%{opacity:.25}}
.bt-price-row{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}
.bt-price{flex:1 1 150px;display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--bt-ink);background:#fff;border:2px solid var(--bt-line);border-radius:18px;padding:12px 16px;transition:transform .2s,border-color .2s,box-shadow .2s;position:relative}
.bt-price:hover{color:var(--bt-ink);transform:translateY(-3px);border-color:var(--bt-green);box-shadow:0 12px 26px rgba(122,59,12,.16)}
.bt-price.best{border-color:var(--bt-saf);background:#fff8e8}
.bt-price b{font-size:1.75rem;line-height:1;color:var(--bt-forest);font-weight:800}
.bt-price span{font-size:.8rem;line-height:1.3;color:var(--bt-mute);font-weight:600}
.bt-price .flag{position:absolute;top:-10px;right:12px;background:var(--bt-saf);color:#2a1a00;font-size:.64rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;padding:2px 9px;border-radius:99px;font-style:normal}
.bt-checks-inline{display:flex;flex-wrap:wrap;gap:8px 22px;list-style:none;margin:18px 0 0;padding:0;font-size:.92rem;font-weight:600;color:#5c3a1c}
.bt-checks-inline li:before{content:"✓";color:#fff;background:var(--bt-green);border-radius:50%;width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center;font-size:.65rem;margin-right:8px}
.bt-arch{position:relative;max-width:440px;margin:0 auto;width:100%}
.bt-arch-frame{position:relative;aspect-ratio:4/5;border-radius:48% 52% 30% 30% / 34% 34% 20% 20%;background:linear-gradient(170deg,#d98a2b,var(--bt-forest) 70%);box-shadow:0 30px 60px rgba(122,59,12,.35);overflow:hidden}
.bt-arch-frame:before{content:"";position:absolute;inset:14px;border-radius:48% 52% 26% 26% / 32% 32% 18% 18%;border:2px dashed rgba(255,255,255,.35)}
.bt-arch-frame:after{content:"";position:absolute;left:-10%;right:-10%;bottom:-6%;height:34%;background:radial-gradient(ellipse at center,rgba(246,192,38,.55),transparent 70%)}
.bt-arch img.bt-product{position:absolute;left:50%;bottom:7%;width:auto;height:76%;transform:translateX(-50%);animation:nrSway 6s ease-in-out infinite;transform-origin:50% 100%;z-index:2;filter:drop-shadow(0 22px 24px rgba(0,0,0,.4))}
@keyframes nrSway{0%,100%{transform:translateX(-50%) rotate(-1.6deg)}50%{transform:translateX(-50%) translateY(-10px) rotate(1.6deg)}}
.bt-leaf{position:absolute;width:34px;height:52px;border-radius:50%;background:linear-gradient(135deg,#ffd86b,#d98a2b);opacity:.9;z-index:1;animation:nrDrift 7s ease-in-out infinite}
.bt-leaf.l1{left:12%;top:18%}.bt-leaf.l2{right:10%;top:30%;width:26px;height:40px;animation-delay:1.6s;animation-duration:8s}.bt-leaf.l3{left:20%;top:52%;width:22px;height:34px;animation-delay:3s;background:linear-gradient(135deg,#ffe9a8,var(--bt-turm))}.bt-leaf.l4{right:20%;top:8%;width:20px;height:30px;animation-delay:4.4s;background:linear-gradient(135deg,#ffe9a8,var(--bt-turm))}
@keyframes nrDrift{0%,100%{transform:translate(0,0) rotate(0deg)}50%{transform:translate(14px,34px) rotate(40deg)}}
.bt-seal{position:absolute;right:-4%;bottom:10%;width:104px;z-index:4;animation:nrSeal 6s ease-in-out infinite}
@keyframes nrSeal{0%,100%{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-10px) rotate(4deg)}}
@media(prefers-reduced-motion:reduce){.bt-arch img.bt-product,.bt-leaf,.bt-seal,.bt-mq-track{animation:none!important}}
/* marquee */
.bt-mq{background:var(--bt-forest);color:#fff;overflow:hidden;white-space:nowrap;padding:14px 0;font-weight:800;letter-spacing:.06em;text-transform:uppercase;font-size:.86rem}
.bt-mq-track{display:inline-block;animation:nrMq 32s linear infinite}
.bt-mq span{display:inline-block;padding:0 26px}.bt-mq span:after{content:"✦";margin-left:52px;color:var(--bt-saf)}
@keyframes nrMq{to{transform:translateX(-50%)}}
/* proof */
.bt-proof{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.bt-proof div{padding:20px 12px;text-align:center;font-weight:800;font-size:.92rem;display:flex;flex-direction:column;align-items:center;gap:10px;background:#fff;border:1px solid var(--bt-line);border-radius:20px}
.bt-proof img{width:66px;height:66px;object-fit:contain}
.bt-grid{display:grid;gap:22px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.bt-card{background:#fff;border:1px solid var(--bt-line);border-radius:var(--bt-r);padding:26px;height:100%;box-shadow:0 8px 24px rgba(122,59,12,.07)}
.bt-card h3{margin-bottom:.4em}.bt-card p:last-child{margin:0}
.bt-num{display:inline-flex;width:42px;height:42px;border-radius:12px;background:var(--bt-forest);color:#fff;font-weight:800;align-items:center;justify-content:center;margin-bottom:14px}
/* ingredients: 3-col tiles */
.bt-ing-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.bt-ing{background:#fff;border:1px solid var(--bt-line);border-radius:22px;padding:24px 22px;position:relative;overflow:hidden}
.bt-ing:before{content:"";position:absolute;right:-30px;top:-30px;width:100px;height:100px;border-radius:50%;background:var(--bt-leaf)}
.bt-ing .ic{position:relative;width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,var(--bt-green),var(--bt-forest));color:#fff;font-weight:800;font-size:1.2rem;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.bt-ing:nth-child(even) .ic{background:linear-gradient(135deg,var(--bt-saf),var(--bt-turm));color:#2a1a00}
.bt-ing h3{position:relative;margin:0 0 2px}.bt-ing .lat{display:block;font-size:.8rem;font-style:italic;color:var(--bt-mute);margin-bottom:8px;position:relative}.bt-ing p{margin:0;position:relative;font-size:.95rem}
.bt-split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.bt-split img{display:block;margin:0 auto;border-radius:var(--bt-r)}
.bt-checks{list-style:none;margin:0 0 1.2em;padding:0}.bt-checks li{padding:7px 0 7px 34px;position:relative}
.bt-checks li:before{content:"✓";position:absolute;left:0;top:7px;width:23px;height:23px;border-radius:50%;background:var(--bt-green);color:#fff;font-size:.8rem;font-weight:800;display:flex;align-items:center;justify-content:center}
/* timeline (vertical) */
.bt-steps{position:relative;max-width:760px;margin:30px auto 0;padding-left:34px}
.bt-steps:before{content:"";position:absolute;left:19px;top:8px;bottom:8px;width:3px;background:linear-gradient(var(--bt-saf),rgba(246,192,38,.2))}
.bt-step{position:relative;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:20px;padding:18px 22px;margin-bottom:16px;counter-increment:s}
.bt-steps{counter-reset:s}
.bt-step:before{content:counter(s);position:absolute;left:-34px;top:16px;width:40px;height:40px;border-radius:50%;background:var(--bt-saf);color:#2a1a00;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 5px var(--bt-deep)}
.bt-step h3{margin:0 0 .15em;color:#fff}.bt-step p{margin:0;color:#edd5ab}
/* packs: tall cards */
.bt-packs{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.bt-pack{background:#fff;border:2px solid var(--bt-line);border-radius:28px;padding:28px 22px 24px;text-align:center;position:relative;display:flex;flex-direction:column}
.bt-pack.best{border-color:var(--bt-forest);box-shadow:0 22px 50px rgba(122,59,12,.25);transform:translateY(-10px)}
.bt-pack .ribbon{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--bt-forest);color:#fff;font-size:.72rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase;padding:5px 14px;border-radius:99px;white-space:nowrap}
.bt-pack .pimg{height:200px;display:flex;align-items:center;justify-content:center;margin-bottom:8px}.bt-pack .pimg img{max-height:100%;max-width:100%;width:auto;object-fit:contain}
.bt-pack h3{margin:0 0 2px;font-size:1.3rem}.bt-pack .sup{color:var(--bt-mute);font-size:.92rem;margin:0 0 8px}
.bt-big{font-size:2.8rem;font-weight:800;line-height:1;color:var(--bt-forest)}.bt-big small{font-size:.85rem;color:var(--bt-mute);font-weight:600}
.bt-pack .tot{font-size:.84rem;color:var(--bt-mute);margin:6px 0 4px}
.bt-pack ul{list-style:none;margin:12px 0 18px;padding:0;font-size:.92rem;font-weight:600;color:#5c3a1c;flex:1}.bt-pack li{padding:3px 0}.bt-pack li:before{content:"✓ ";color:var(--bt-green)}
.bt-table{width:100%;min-width:520px;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--bt-line);border-radius:var(--bt-r);overflow:hidden;font-size:.95rem}
.bt-table th,.bt-table td{padding:14px 16px;text-align:center;border-bottom:1px solid var(--bt-line)}
.bt-table th:first-child,.bt-table td:first-child{text-align:left;font-weight:700}
.bt-table thead th{background:var(--bt-forest);color:#fff}.bt-table tr:last-child td{border-bottom:0}.bt-table td.hl{background:#fff3d6;font-weight:800}
.bt-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.bt-bonus{text-align:center}.bt-bonus img{width:100%;max-width:190px;margin:0 auto 14px;display:block;filter:drop-shadow(0 12px 16px rgba(122,59,12,.28))}
.bt-bonus h3{font-size:1.02rem;margin-bottom:.3em}.bt-bonus p{font-size:.9rem;color:var(--bt-mute)}
.bt-free{display:inline-block;background:var(--bt-saf);color:#2a1a00;font-weight:800;font-size:.72rem;letter-spacing:.06em;padding:3px 11px;border-radius:99px;margin-bottom:8px}
.bt-more{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:24px}.bt-more span{background:#fff;border:1.5px dashed var(--bt-green);border-radius:99px;padding:8px 18px;font-weight:700;font-size:.9rem;color:var(--bt-forest)}
.bt-face{text-align:center}
.bt-rev{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.bt-rcard{background:#fff;border:2px solid var(--bt-line);border-radius:28px;padding:0 24px 26px;text-align:center;position:relative;margin-top:50px;box-shadow:0 16px 36px rgba(122,59,12,.1)}
.bt-rcard img{width:104px;height:104px;border-radius:50%;object-fit:cover;border:5px solid #fff;box-shadow:0 0 0 4px var(--bt-green),0 12px 24px rgba(122,59,12,.25);margin-top:-52px}
.bt-rcard .st{color:var(--bt-turm);letter-spacing:.2em;margin:12px 0 4px;font-size:1.05rem}
.bt-rcard h3{margin:0;font-size:1.05rem}.bt-rcard small{color:var(--bt-mute);font-weight:600}
.bt-rcard .tag{display:inline-block;margin-top:10px;background:var(--bt-leaf);color:var(--bt-forest);font-size:.72rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;border-radius:99px;padding:3px 12px}
.bt-why{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.bt-why div{background:#fff;border:1px solid var(--bt-line);border-radius:18px;padding:18px 16px;text-align:center;font-weight:700;font-size:.92rem}
.bt-why b{display:block;font-size:1.7rem;color:var(--bt-green);line-height:1.1;margin-bottom:4px}
/* faq numbered */
.bt-faq{counter-reset:q}.bt-faq details{background:#fff;border:1px solid var(--bt-line);border-radius:18px;margin-bottom:12px;overflow:hidden;counter-increment:q}
.bt-faq summary{cursor:pointer;list-style:none;padding:18px 54px 18px 60px;font-weight:800;position:relative}
.bt-faq summary::-webkit-details-marker{display:none}
.bt-faq summary:before{content:counter(q);position:absolute;left:16px;top:50%;transform:translateY(-50%);width:30px;height:30px;border-radius:50%;background:var(--bt-leaf2);color:var(--bt-forest);display:flex;align-items:center;justify-content:center;font-size:.85rem}
.bt-faq summary:after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--bt-green);font-weight:400}
.bt-faq details[open] summary:after{content:"–"}.bt-faq details[open] summary:before{background:var(--bt-forest);color:#fff}
.bt-faq details>div{padding:0 22px 18px 60px;color:#5c3a1c}
.bt-cta{background:linear-gradient(120deg,var(--bt-forest),var(--bt-deep));color:#fff;border-radius:52% 48% 44% 56% / 36% 40% 60% 64%;padding:46px 36px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;position:relative;overflow:hidden}
.bt-cta:after{content:"";position:absolute;right:-70px;top:-70px;width:230px;height:230px;border-radius:50%;background:rgba(246,192,38,.22)}
.bt-cta h2{color:#fff;margin-bottom:.3em}.bt-cta p{margin:0;color:#f1dcb8}.bt-cta .bt-btn{position:relative;z-index:1}
.bt-phero{background:linear-gradient(180deg,var(--bt-leaf),var(--bt-bg));padding:52px 0 40px;border-bottom:1px solid var(--bt-line)}
.bt-phero h1{font-size:clamp(1.9rem,4.2vw,2.8rem);margin-bottom:.35em;color:var(--bt-forest)}.bt-phero p{max-width:720px;margin:0;color:var(--bt-mute);font-size:1.08rem}
.bt-crumb{font-size:.82rem;margin-bottom:12px;color:var(--bt-mute)}.bt-crumb a{text-decoration:none;font-weight:700}
.bt-prose{max-width:800px;margin:0 auto}.bt-prose h2{margin-top:1.6em;font-size:1.65rem}
.bt-prose ul{padding-left:1.2em}.bt-prose li{margin-bottom:.45em}.bt-prose .bt-faqbox{margin-top:36px}
.bt-meta{font-size:.85rem;color:var(--bt-mute);margin-bottom:22px}
.bt-post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--bt-line);border-radius:var(--bt-r);overflow:hidden;text-decoration:none;color:inherit;height:100%;transition:transform .2s,box-shadow .2s}
.bt-post-card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(122,59,12,.18);color:inherit}
.bt-post-top{background:linear-gradient(135deg,var(--bt-green),var(--bt-deep));color:#fff;padding:24px 22px;min-height:112px;display:flex;align-items:flex-end;font-weight:800;font-size:1.05rem;line-height:1.3;position:relative}
.bt-post-top:after{content:"";position:absolute;right:18px;top:14px;width:22px;height:34px;border-radius:50%;background:var(--bt-saf)}
.bt-post-body{padding:18px 22px 22px;font-size:.93rem}.bt-post-body .cat{font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--bt-green)}
.bt-form label{display:block;font-weight:700;margin:14px 0 6px}.bt-form input,.bt-form textarea{width:100%;padding:12px 14px;border:1.5px solid var(--bt-line);border-radius:12px;font:inherit;background:#fff}
.bt-foot{background:var(--bt-deep);color:#d6b27a;padding:60px 0 24px;font-size:.92rem}
.bt-foot h4{color:#fff;font-size:.95rem;letter-spacing:.08em;text-transform:uppercase}
.bt-foot a{color:#f6e2c2;text-decoration:none}.bt-foot a:hover{color:var(--bt-saf)}.bt-foot .bt-logo{color:#fff;justify-self:start}
.bt-foot ul{list-style:none;margin:0;padding:0}.bt-foot li{padding:3px 0}
.bt-foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.bt-fine{border-top:1px solid rgba(255,255,255,.15);margin-top:34px;padding-top:20px;font-size:.8rem;color:#bf9a64}
.bt-sticky{display:none}
@media(max-width:1100px){.bt-nav{grid-template-columns:auto 1fr;}.bt-logo{grid-column:1;justify-self:start}.bt-nav-left{display:none}.bt-nav-right{grid-column:2}.bt-navrow{display:none}.bt-burger{display:block}
.bt-mobmenu{display:none;background:var(--bt-bg);border-top:1px solid var(--bt-line);padding:10px 20px 16px}.bt-mobmenu.open{display:block}.bt-mobmenu ul{list-style:none;margin:0;padding:0}.bt-mobmenu a{display:block;padding:12px;text-decoration:none;color:var(--bt-ink);font-weight:700;border-bottom:1px solid var(--bt-line)}}
@media(min-width:1101px){.bt-mobmenu{display:none}}
@media(max-width:991px){
.bt-split{grid-template-columns:1fr}.bt-hero-grid{grid-template-columns:1fr;grid-template-areas:"head" "arch" "rest";gap:8px}.bt-hero{padding:36px 0 52px}.bt-arch{max-width:330px;margin:10px auto 18px}
.g3,.g4{grid-template-columns:repeat(2,1fr)}.bt-proof{grid-template-columns:repeat(2,1fr)}.bt-ing-list{grid-template-columns:repeat(2,1fr)}
.bt-packs{grid-template-columns:1fr;max-width:460px;margin:0 auto}.bt-pack.best{transform:none}
.bt-rev{grid-template-columns:1fr;max-width:460px;margin:0 auto}.bt-why{grid-template-columns:repeat(2,1fr)}.bt-foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:700px){
body{font-size:16px}.bt-sec{padding:54px 0}
.g2,.g3,.g4,.bt-ing-list{grid-template-columns:1fr}
.bt-cta{grid-template-columns:1fr;padding:34px 22px}.bt-foot-grid{grid-template-columns:1fr}
.bt-btn{width:100%}.bt-nav .bt-btn{width:auto}.bt-logo{font-size:1.15rem}.bt-announce{font-size:.76rem}.bt-nav .bt-btn-sm{padding:8px 14px;font-size:.84rem}
.bt-seal{width:78px;right:0}.bt-price-row{gap:8px}.bt-price{flex:1 1 100%}
.bt-faq summary{padding-left:56px}.bt-faq details>div{padding-left:22px}
.bt-sticky{display:block;position:fixed;left:0;right:0;bottom:0;z-index:60;padding:10px 14px;background:rgba(255,250,241,.97);border-top:1px solid var(--bt-line)}
.bt-sticky .bt-btn{padding:12px}body{padding-bottom:70px}}