/* BreathEaseX + CardioEaseX — brreatheaasex.com — prefix rbx- — mobile-first build */
:root{
  --ink:#152224;
  --ink-soft:#57696C;
  --teal:#1E7E92;
  --teal-dark:#125666;
  --teal-light:#E3F3F6;
  --burgundy:#7A2333;
  --burgundy-dark:#551725;
  --burgundy-light:#F7E8EA;
  --gold:#C9A227;
  --cream:#FBFCFC;
  --cream-2:#EFF6F7;
  --line:rgba(21,34,36,.13);
  --white:#FFFFFF;
  --good:#2F7A4F;
  --radius:12px;
  --shadow:0 16px 34px -18px rgba(21,34,36,.22);
  --font-head:'Sora',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-body:'Nunito Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);color:var(--ink);background:var(--white);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;padding-bottom:70px}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,h4,h5{font-family:var(--font-head);font-weight:700;line-height:1.15;margin:0 0 .4em;letter-spacing:-.2px}
h1{font-size:clamp(2rem,6vw,2.9rem)}
h2{font-size:clamp(1.5rem,4.4vw,2.1rem)}
h3{font-size:clamp(1.2rem,3.4vw,1.5rem)}
h4{font-size:1.08rem}
p{margin:0 0 1em}
.rbx-wrap{max-width:var(--maxw);margin:0 auto;padding:0 18px}
@media(min-width:768px){.rbx-wrap{padding:0 32px}}

.rbx-strip{background:var(--teal-light);color:var(--teal-dark);font-size:12.5px;padding:8px 12px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;text-align:center;border-bottom:1px solid var(--line)}
@media(min-width:768px){.rbx-strip{font-size:13.5px;gap:26px}}
.rbx-nav{position:sticky;top:0;background:rgba(251,252,252,.96);backdrop-filter:blur(6px);z-index:60;border-bottom:1px solid var(--line)}
.rbx-nav .rbx-wrap{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-top:12px;padding-bottom:12px}
.rbx-logo{font-family:var(--font-head);font-weight:700;font-size:1.3rem;text-decoration:none;color:var(--ink)}
.rbx-logo em{font-style:normal;color:var(--burgundy)}
.rbx-links{list-style:none;display:none;gap:18px;margin:0;padding:0;align-items:center}
.rbx-links a{text-decoration:none;font-weight:600;font-size:13.5px;color:var(--ink)}
.rbx-btn{background:linear-gradient(120deg,var(--teal),var(--burgundy));color:#fff!important;padding:11px 20px;border-radius:var(--radius);font-weight:700;text-decoration:none;display:inline-block;font-size:14.5px;border:none;cursor:pointer;transition:transform .15s}
.rbx-btn:hover{transform:translateY(-1px)}
.rbx-btn-ghost{background:transparent;color:var(--teal-dark)!important;padding:11px 20px;border-radius:var(--radius);font-weight:700;text-decoration:none;display:inline-block;font-size:14.5px;border:1.5px solid var(--teal)}
@media(min-width:940px){.rbx-links{display:flex}}
.rbx-toggle{background:none;border:none;font-size:22px;cursor:pointer}
@media(min-width:940px){.rbx-toggle{display:none}}

.rbx-hero{padding:32px 0 12px;background:radial-gradient(900px 400px at 90% -10%,var(--teal-light) 0%,transparent 60%),var(--white)}
.rbx-hero-grid{display:grid;grid-template-columns:1fr;gap:30px;align-items:start}
.rbx-hero-copy{order:2}
.rbx-hero-visual{order:1}
@media(min-width:940px){.rbx-hero-grid{grid-template-columns:1.05fr .95fr;gap:44px}.rbx-hero-copy{order:1}.rbx-hero-visual{order:2}}
.rbx-pill{display:inline-block;background:var(--teal-light);color:var(--teal-dark);font-weight:700;font-size:12.5px;padding:6px 14px;border-radius:99px}
.rbx-hero-para{font-size:17.5px;color:var(--ink-soft);max-width:56ch}
.rbx-check{list-style:none;margin:16px 0;padding:0;display:grid;gap:9px}
.rbx-check li{padding-left:26px;position:relative;font-weight:600;font-size:15px}
.rbx-check li::before{content:'\2713';position:absolute;left:0;color:var(--teal);font-weight:800}
.rbx-numbox-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:20px 0}
@media(min-width:560px){.rbx-numbox-grid{grid-template-columns:repeat(4,1fr)}}
.rbx-numbox{background:var(--cream-2);border-radius:var(--radius);padding:12px 8px;text-align:center}
.rbx-numbox b{display:block;font-family:var(--font-head);font-weight:700;font-size:1.5rem;color:var(--teal-dark)}
.rbx-numbox span{font-size:10.5px;color:var(--ink-soft);font-weight:600}
.rbx-hero-btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}
.rbx-hero-trust{display:flex;gap:16px;flex-wrap:wrap;margin-top:16px;font-size:12px;color:var(--ink-soft);font-weight:600}
.rbx-hero-banner{max-width:300px;margin:0 auto}
.rbx-hero-banner img{border-radius:var(--radius)}
.rbx-viz{background:var(--teal-dark);border-radius:var(--radius);padding:18px}
.rbx-viz h5{margin:0 0 10px;font-size:12px;text-transform:uppercase;letter-spacing:.6px;color:#9FDCE8;font-weight:700}
.rbx-viz .cap{font-size:11px;color:#8FC3CE;margin-top:8px}
.rbx-wavepath{stroke-dasharray:220;stroke-dashoffset:220;animation:rbxDraw 3.5s ease-in-out infinite}
.rbx-wavepath2{stroke-dasharray:220;stroke-dashoffset:220;animation:rbxDraw 3.5s ease-in-out infinite;animation-delay:.6s}
@media(prefers-reduced-motion:reduce){.rbx-wavepath,.rbx-wavepath2{animation:none;stroke-dashoffset:0}}
@keyframes rbxDraw{0%{stroke-dashoffset:220}50%{stroke-dashoffset:0}100%{stroke-dashoffset:-220}}

.rbx-sec{padding:44px 0}
.rbx-sec-blush{background:var(--cream-2)}
.rbx-head{text-align:center;max-width:700px;margin:0 auto 30px}
.rbx-eyebrow{display:inline-block;color:var(--teal-dark);font-weight:700;font-size:12.5px;letter-spacing:.4px;text-transform:uppercase;margin-bottom:8px}
.rbx-grid{display:grid;gap:16px}
.rbx-g3{grid-template-columns:1fr}
.rbx-g4{grid-template-columns:1fr}
@media(min-width:640px){.rbx-g3{grid-template-columns:repeat(2,1fr)}.rbx-g4{grid-template-columns:repeat(2,1fr)}}
@media(min-width:940px){.rbx-g3{grid-template-columns:repeat(3,1fr)}.rbx-g4{grid-template-columns:repeat(4,1fr)}}
.rbx-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.rbx-card-badge{text-align:center}
.rbx-card-badge img{max-width:56px;margin:0 auto 12px;height:auto}
.rbx-idx{width:30px;height:30px;border-radius:8px;background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--font-head);font-weight:700;margin-bottom:12px;font-size:14px}
.rbx-split{display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
@media(min-width:860px){.rbx-split{grid-template-columns:.85fr 1.15fr;gap:44px}}

.rbx-timeline{display:grid;gap:0;grid-template-columns:1fr;position:relative}
@media(min-width:820px){.rbx-timeline{grid-template-columns:repeat(2,1fr);gap:30px}}
.rbx-tl-card{background:var(--white);border:1.5px solid var(--line);border-radius:var(--radius);padding:24px;position:relative}
.rbx-tl-card.morning{border-top:4px solid var(--teal)}
.rbx-tl-card.evening{border-top:4px solid var(--burgundy)}
.rbx-tl-tag{display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.4px;text-transform:uppercase;padding:4px 10px;border-radius:99px;margin-bottom:10px}
.rbx-tl-card.morning .rbx-tl-tag{background:var(--teal-light);color:var(--teal-dark)}
.rbx-tl-card.evening .rbx-tl-tag{background:var(--burgundy-light);color:var(--burgundy-dark)}

.rbx-plans{display:grid;gap:18px;grid-template-columns:1fr}
@media(min-width:860px){.rbx-plans{grid-template-columns:repeat(3,1fr)}}
.rbx-plan{background:var(--white);border:1.5px solid var(--line);border-radius:var(--radius);padding:22px;text-align:center;position:relative}
.rbx-plan.top{border-color:var(--teal);box-shadow:0 20px 40px -20px rgba(30,126,146,.3)}
.rbx-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--teal-dark);color:#fff;font-size:11.5px;font-weight:700;padding:5px 14px;border-radius:99px}
.rbx-plan img.pk{max-width:200px;margin:10px auto;height:auto}
.rbx-plan-ttl{font-family:var(--font-head);font-weight:700;font-size:1.2rem}
.rbx-plan-sub{color:var(--ink-soft);font-size:13px;margin-bottom:8px}
.rbx-plan-price{font-family:var(--font-head);font-weight:700;font-size:2rem;color:var(--teal-dark)}
.rbx-plan-price small{font-size:.9rem;color:var(--ink-soft);font-family:var(--font-body)}
.rbx-plan-list{font-size:12px;color:var(--good);margin-top:2px;font-weight:600}
.rbx-plan ul{list-style:none;padding:0;margin:12px 0;font-size:13.5px;color:var(--ink-soft);text-align:left}
.rbx-plan ul li{padding-left:20px;position:relative;margin-bottom:5px}
.rbx-plan ul li::before{content:'\2713';position:absolute;left:0;color:var(--good)}
.rbx-btn-full{display:block;width:100%;text-align:center}

.rbx-rev-head{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.rbx-rev-head img{width:48px;height:48px;border-radius:50%;object-fit:cover}
.rbx-rev-name{font-weight:700;font-size:14.5px}
.rbx-rev-sub{font-size:12px;color:var(--ink-soft)}
.rbx-stars{color:var(--gold);letter-spacing:2px;margin-bottom:8px}
.rbx-stars-lg{color:var(--gold);font-size:1.4rem;letter-spacing:2px}
.rbx-agg-rating{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:center;font-size:15px}
.rbx-board{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;max-width:520px;margin:26px auto 0;text-align:center}
.rbx-board b{display:block;font-family:var(--font-head);font-weight:700;font-size:1.7rem;color:var(--teal-dark)}
.rbx-board span{font-size:12px;color:var(--ink-soft);font-weight:600}

.rbx-narrow{max-width:760px;margin:0 auto}
.rbx-faq-row{border-bottom:1px solid var(--line)}
.rbx-faq-btn{width:100%;text-align:left;background:none;border:none;padding:16px 0;font-weight:600;font-size:15.5px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:var(--ink);font-family:var(--font-body)}
.rbx-faq-btn::after{content:'+';font-size:22px;color:var(--teal)}
.rbx-faq-btn[aria-expanded="true"]::after{content:'\2212'}
.rbx-faq-body{max-height:0;overflow:hidden;transition:max-height .25s ease}
.rbx-faq-body p{padding-bottom:14px;color:var(--ink-soft);font-size:15px}

.rbx-guar{display:grid;grid-template-columns:1fr;gap:20px;align-items:center;background:var(--cream-2);border-radius:var(--radius);padding:28px;text-align:center}
@media(min-width:700px){.rbx-guar{grid-template-columns:130px 1fr;text-align:left}}
.rbx-guar img{max-width:110px;margin:0 auto;height:auto}

.rbx-refs{list-style:none;padding:0;margin:0}
.rbx-refs li{padding:10px 0;border-bottom:1px solid var(--line);font-size:14.5px}
.rbx-refs a{color:var(--teal-dark);text-decoration:underline}
.rbx-callout{background:var(--cream-2);border-left:4px solid var(--teal);border-radius:8px;padding:14px 16px;font-size:14px;color:var(--ink-soft);margin-top:14px}
.rbx-flag{background:#FBEAE6;border-radius:8px;padding:14px 16px;font-size:14px;color:#8A3018}
.rbx-flag b{color:#8A3018}

.rbx-rel{display:grid;gap:14px;grid-template-columns:1fr}
@media(min-width:700px){.rbx-rel{grid-template-columns:repeat(3,1fr)}}
.rbx-rel a{display:block;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:18px;text-decoration:none;color:var(--ink)}
.rbx-rel a b{display:block;margin-bottom:4px;font-size:15px}
.rbx-rel a span{font-size:13px;color:var(--ink-soft)}
.rbx-blog-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.rbx-blog-hero{padding:28px 0 8px}
.rbx-post-body h2{margin-top:1.4em}
.rbx-legal-nav a{text-decoration:none;font-weight:700;color:var(--teal-dark);font-size:14px}

.rbx-final{background:var(--teal-dark);color:#fff;border-radius:20px;padding:36px 22px;text-align:center}
.rbx-final h2{color:#fff}
.rbx-final img{margin:0 auto}
.rbx-final .new{font-family:var(--font-head);font-weight:700;font-size:1.7rem;color:#9FDCE8;margin:10px 0}
.rbx-final .sm{font-size:12px;color:#8FC3CE;margin-top:10px}
.rbx-final p{color:#C3E4EA}

.rbx-foot{background:var(--cream);border-top:1px solid var(--line);padding:40px 0 24px}
.rbx-foot-nav,.rbx-foot-legal{list-style:none;display:flex;flex-wrap:wrap;gap:16px;padding:0;margin:0 0 14px;justify-content:center}
.rbx-foot-nav a,.rbx-foot-legal a{text-decoration:none;font-weight:700;font-size:13.5px;color:var(--ink)}
.rbx-foot-legal a{color:var(--ink-soft);font-weight:500}
.rbx-foot hr{border:none;border-top:1px solid var(--line);margin:18px 0}
.rbx-foot p{font-size:12px;color:var(--ink-soft);max-width:920px;margin:0 auto 10px;text-align:center}
.rbx-foot .cr{text-align:center;font-size:12px;color:var(--ink-soft);margin-top:14px}

.rbx-sticky{position:fixed;left:0;right:0;bottom:0;background:var(--teal-dark);color:#fff;padding:10px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;z-index:80}
.rbx-sticky .t{font-size:13px;color:#8FC3CE}
.rbx-sticky .t b{display:block;font-size:15px;color:#fff}

.rbx-legal-body{max-width:760px;margin:40px auto;padding:0 18px}
.rbx-legal-body h2{margin-top:1.6em}
.rbx-legal-body .updated{color:var(--ink-soft);font-size:13px;margin-bottom:20px}
.rbx-legal-foot{text-align:center;padding:20px;color:var(--ink-soft);font-size:13px}
.rbx-totop{position:fixed;right:16px;bottom:90px;width:40px;height:40px;border-radius:var(--radius);background:var(--teal-dark);color:#fff;display:none;align-items:center;justify-content:center;cursor:pointer;z-index:70}
.rbx-totop.show{display:flex}