/* ============================================================
   BreathiZen Blog - Dedicated Blog Stylesheet
   Matches established site theme: Sky Blue / Deep Blue / Azure
   Type: Lexend (display) + Nunito (body)
   ============================================================ */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --sky:#2E7BBF;
  --deep:#1A3A5C;
  --sky-light:#6FA8DC;
  --azure:#EBF5FF;
  --cream:#F7FAFD;
  --ink:#152840;
  --body:#4C5C70;
  --muted:#8C9BAE;
  --line:rgba(21,40,64,.1);
  --white:#ffffff;
  --font-display:'Lexend',sans-serif;
  --font-body:'Nunito',system-ui,sans-serif;
  --grad-blue:linear-gradient(135deg,#1A3A5C 0%,#2E7BBF 100%);
  --grad-dark:linear-gradient(160deg,#0C1E32 0%,#1A3A5C 100%);
  --shadow-sm:0 2px 10px rgba(21,40,64,.08);
  --shadow:0 10px 30px rgba(21,40,64,.14);
  --shadow-lg:0 26px 60px rgba(21,40,64,.22);
  --radius:18px;--radius-sm:12px;--radius-pill:999px;
  --transition:all .28s ease;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-body);color:var(--body);background:var(--white);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5,h6{font-family:var(--font-display);color:var(--ink);line-height:1.25;font-weight:600}
a{text-decoration:none;color:inherit;transition:var(--transition)}
img{max-width:100%;height:auto;display:block}
.bz-wrap{max-width:1140px;margin:0 auto;padding:0 1.4rem}
ul{list-style:none}

.bz-strip{background:var(--deep);color:#eaf4ff;text-align:center;font-size:.8rem;padding:9px 12px;font-weight:700}
.bz-strip span{opacity:.5;margin:0 8px}
.bz-nav{position:sticky;top:0;background:#fff;z-index:1000;border-bottom:1px solid var(--line)}
.bz-nav-inner{max-width:1140px;margin:0 auto;padding:.9rem 1.4rem;display:flex;align-items:center;justify-content:space-between;gap:1.4rem}
.bz-logo{font-family:var(--font-display);font-size:1.22rem;font-weight:700;color:var(--ink)}
.bz-logo span{color:var(--sky)}
.bz-nav-links{display:flex;align-items:center;gap:1.3rem;font-weight:700;font-size:.88rem}
.bz-nav-links a{color:var(--body)}
.bz-nav-links a:hover{color:var(--sky)}
.bz-nav-cta{background:var(--grad-blue);color:#fff!important;padding:.58rem 1.25rem;border-radius:var(--radius-pill);font-weight:700}
.bz-mobile-toggle{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--ink)}

.bz-btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-weight:700;font-size:.96rem;padding:.82rem 1.75rem;border-radius:var(--radius-pill);border:none;cursor:pointer;transition:var(--transition)}
.bz-btn-sky{background:var(--grad-blue);color:#fff;box-shadow:0 10px 24px rgba(26,58,92,.35)}
.bz-btn-sky:hover{transform:translateY(-3px);box-shadow:0 15px 32px rgba(26,58,92,.45)}
.bz-btn-outline{background:#fff;color:var(--ink);border:1.5px solid var(--line)}
.bz-btn-outline:hover{border-color:var(--sky);color:var(--sky)}

/* Hero: floating breath/air-particle bubbles, matching main site motif */
.bz-hero{position:relative;background:var(--grad-dark);color:rgba(255,255,255,.88);padding:4rem 0 3.4rem;overflow:hidden;text-align:center}
.bz-particles{position:absolute;inset:0;overflow:hidden;pointer-events:none;opacity:.45}
.bz-particle{position:absolute;bottom:-50px;border-radius:50%;background:radial-gradient(circle at 30% 30%, rgba(111,168,220,.55), rgba(111,168,220,.05) 70%);animation:bz-float linear infinite}
@keyframes bz-float{0%{transform:translateY(0) translateX(0);opacity:0}10%{opacity:.75}50%{transform:translateY(-220px) translateX(14px)}100%{transform:translateY(-440px) translateX(-10px);opacity:0}}
.bz-hero-inner{position:relative;z-index:2;max-width:720px;margin:0 auto}
.bz-eyebrow{display:inline-block;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--sky-light);margin-bottom:.8rem}
.bz-hero h1{font-size:clamp(1.9rem,4vw,2.8rem);color:#fff;margin-bottom:1rem}
.bz-hero p{color:rgba(255,255,255,.72);font-size:1rem;max-width:600px;margin:0 auto}
.bz-hero-img{max-width:170px;margin:1.6rem auto 0;filter:drop-shadow(0 20px 36px rgba(0,0,0,.35));position:relative;z-index:2}

.bz-filters{display:flex;flex-wrap:wrap;gap:.55rem;justify-content:center;margin:-1.5rem auto 2.4rem;max-width:900px;padding:0 1.4rem;position:relative;z-index:3}
.bz-chip{background:#fff;border:1.5px solid var(--line);color:var(--body);font-size:.82rem;font-weight:700;padding:.46rem 1.05rem;border-radius:var(--radius-pill);cursor:pointer;transition:var(--transition);box-shadow:var(--shadow-sm)}
.bz-chip:hover{border-color:var(--sky)}
.bz-chip.active{background:var(--grad-blue);color:#fff;border-color:transparent}

.bz-section{padding:1.4rem 0 5rem}
.bz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.bz-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition);display:flex;flex-direction:column}
.bz-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:var(--sky-light)}
.bz-card img{width:100%;height:150px;object-fit:cover;background:var(--azure)}
.bz-card-body{padding:1.4rem;flex:1;display:flex;flex-direction:column}
.bz-tag{display:inline-block;align-self:flex-start;font-size:.68rem;font-weight:700;color:var(--deep);background:var(--azure);padding:.26rem .7rem;border-radius:var(--radius-pill);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.75rem}
.bz-card h3{font-size:1.02rem;margin-bottom:.65rem;line-height:1.35;font-family:var(--font-body);font-weight:700}
.bz-card p{font-size:.85rem;color:var(--body);margin-bottom:1rem;flex:1}
.bz-readmore{font-size:.83rem;font-weight:700;color:var(--sky)}
.bz-readmore:hover{color:var(--deep)}

.bz-final-cta{background:var(--grad-dark);padding:3.2rem 0;text-align:center}
.bz-final-cta h2{color:#fff;margin-bottom:.7rem;font-size:1.8rem}
.bz-final-cta p{color:rgba(255,255,255,.68);margin-bottom:1.4rem;max-width:540px;margin-left:auto;margin-right:auto}

/* Article page */
.bz-article-header{background:var(--grad-dark);padding:2.4rem 0;color:#fff}
.bz-article-header .bz-wrap{max-width:760px}
.bz-article-header .bz-eyebrow{color:var(--sky-light)}
.bz-article-header h1{color:#fff;font-size:clamp(1.55rem,3.2vw,2.15rem);margin-top:.5rem}
.bz-article-meta{display:flex;gap:1rem;flex-wrap:wrap;margin-top:1rem;font-size:.8rem;color:rgba(255,255,255,.58)}
.bz-breadcrumb{font-size:.8rem;color:rgba(255,255,255,.55);margin-bottom:1rem}
.bz-breadcrumb a{color:rgba(255,255,255,.8);font-weight:700}
.bz-article{max-width:720px;margin:0 auto;padding:2.8rem 1.4rem}
.bz-answer{background:var(--azure);border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem 1.5rem;margin:1.6rem 0 2rem}
.bz-answer .tag{display:block;font-size:.7rem;font-weight:700;color:var(--sky);text-transform:uppercase;letter-spacing:.07em;margin-bottom:.5rem}
.bz-answer p{color:var(--body);font-size:.95rem}
.bz-article img.bz-article-img{width:100%;max-height:320px;object-fit:contain;background:var(--azure);border-radius:var(--radius);margin:0 0 2rem;padding:1.5rem}
.bz-article h2{font-size:1.32rem;margin:1.9rem 0 .8rem;color:var(--deep)}
.bz-article p,.bz-article li{color:var(--body);margin-bottom:.85rem}
.bz-article a{color:var(--sky);font-weight:700}
.bz-flagbox{background:var(--azure);border-left:4px solid var(--sky);border-radius:0 12px 12px 0;padding:1rem 1.3rem;font-size:.85rem;color:var(--body);margin:1.5rem 0}
.bz-article-cta{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:1.9rem;text-align:center;margin:2.4rem 0}
.bz-article-cta img{max-width:120px;margin:0 auto 1rem}
.bz-article-cta h3{margin-bottom:.5rem}
.bz-article-cta p{margin-bottom:1.1rem;color:var(--body)}
.bz-related{margin-top:2.4rem}
.bz-related h3{font-size:1.1rem;margin-bottom:.9rem}
.bz-related-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.9rem}
.bz-related-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:1rem 1.2rem;transition:var(--transition)}
.bz-related-card:hover{border-color:var(--sky-light);transform:translateY(-3px)}
.bz-related-card b{display:block;font-size:.9rem;margin-bottom:.25rem}
.bz-related-card span{font-size:.8rem;color:var(--muted)}

.bz-footer{background:#0C1E32;color:rgba(255,255,255,.58);padding:2.4rem 0 1.3rem;font-size:.82rem;text-align:center}
.bz-footer a{color:rgba(255,255,255,.72);margin:0 .5rem}
.bz-footer p{margin-bottom:.75rem;max-width:720px;margin-left:auto;margin-right:auto;color:rgba(255,255,255,.42);font-size:.76rem}

@media(max-width:900px){
  .bz-grid,.bz-related-grid{grid-template-columns:1fr}
  .bz-nav-links{display:none}
  .bz-mobile-toggle{display:block}
}
@media(min-width:901px) and (max-width:1100px){
  .bz-grid{grid-template-columns:repeat(2,1fr)}
}