*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#f4f8fc;color:#10243f;line-height:1.55}button,input{font:inherit}button{cursor:pointer}a{color:#073f8f}.app-shell{min-height:100vh;padding-bottom:86px}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:12px 18px;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid #dfe9f4}.brand img{display:block;width:74px;height:52px;object-fit:contain}.ghost-btn,.text-btn{border:0;background:transparent;color:#073f8f;font-weight:800}.ghost-btn{border:1px solid #c9dcec;border-radius:999px;padding:8px 14px}main{max-width:1160px;margin:0 auto;padding:18px}.view{display:none}.view.active{display:block}.hero-card{position:relative;overflow:hidden;border-radius:30px;background:linear-gradient(135deg,#073f8f 0%,#0d5fb5 58%,#79d9e8 140%);color:#fff;padding:34px 24px 24px;box-shadow:0 20px 50px rgba(7,63,143,.18)}.hero-card h1,.page-intro h1,.session-topline h1{font-size:clamp(2.2rem,8vw,4.7rem);line-height:.98;letter-spacing:-.055em;margin:8px 0 16px}.hero-card .lead{max-width:660px;font-size:1.06rem;color:#e9f7ff}.eyebrow,.mini-label{display:block;font-size:.74rem;letter-spacing:.13em;font-weight:900}.hero-product{position:relative;margin:24px -10px -14px auto;width:min(78%,520px);border-radius:28px;background:rgba(255,255,255,.96);overflow:hidden}.hero-product img{display:block;width:100%;height:300px;object-fit:contain}.primary-btn,.secondary-btn,.soft-btn{border:0;border-radius:16px;padding:14px 18px;font-weight:900}.primary-btn{background:#073f8f;color:#fff;box-shadow:0 10px 26px rgba(7,63,143,.22)}.hero-card .primary-btn{background:#fff;color:#073f8f}.secondary-btn{background:#e9f3fb;color:#073f8f}.soft-btn{background:#eaf7f9;color:#073f8f}.grid{display:grid;gap:16px}.grid.two{margin-top:16px}.info-card,.safety-card,.detail-card,.rating-card,.contact-card{background:#fff;border:1px solid #dce7f1;border-radius:24px;padding:22px;box-shadow:0 8px 24px rgba(28,66,108,.06)}.info-card h2,.safety-card h2,.contact-card h2{margin:8px 0 10px;line-height:1.15}.pill{display:inline-flex;background:#e9f7fa;color:#075b73;padding:6px 10px;border-radius:999px;font-size:.76rem;font-weight:900}.safety-card{display:flex;gap:14px;background:#eef8fb;border-color:#bfe8ef}.safety-icon{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;flex:none;background:#073f8f;color:white;font-weight:900}.section-block{margin-top:34px}.section-heading h2{font-size:2rem;line-height:1.1;margin:6px 0 16px}.routine-list{display:grid;gap:14px}.routine-card{background:#fff;border:1px solid #dce7f1;border-radius:24px;padding:20px;box-shadow:0 8px 24px rgba(28,66,108,.06);display:grid;gap:16px}.routine-card .index{width:44px;height:44px;border-radius:14px;background:#e8f4fb;color:#073f8f;display:grid;place-items:center;font-weight:900}.routine-card h3{margin:0 0 6px;font-size:1.35rem}.routine-card p{margin:0;color:#51647a}.routine-meta{display:flex;flex-wrap:wrap;gap:8px}.routine-meta span{background:#f0f6fb;border-radius:999px;padding:6px 9px;font-size:.78rem;font-weight:800;color:#46627f}.routine-card button{justify-self:start}.page-intro{padding:18px 2px 12px}.page-intro p{max-width:700px;color:#53697f}.session-layout{display:grid;gap:18px}.back-btn{padding:8px 0 18px}.session-topline{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.session-topline h1{font-size:2.6rem}.duration-badge{background:#e9f4fb;color:#073f8f;border-radius:999px;padding:8px 11px;font-weight:900;white-space:nowrap}.timer-card{background:#fff;border:1px solid #dce7f1;border-radius:28px;padding:18px;box-shadow:0 15px 36px rgba(28,66,108,.08)}.progress-track{height:8px;background:#e7eef6;border-radius:999px;overflow:hidden}.progress-track div{height:100%;width:0;background:#073f8f;transition:width .2s linear}.timer-meta{display:flex;justify-content:space-between;color:#6b7b8e;font-size:.84rem;margin-top:8px}.breath-stage{display:grid;place-items:center;min-height:330px;padding:22px 0}.breath-circle-wrap{position:relative;width:250px;height:250px;display:grid;place-items:center}.breath-ring{position:absolute;inset:5px;border-radius:50%;border:1px solid #a9dfe7;background:radial-gradient(circle at 50% 50%,rgba(173,234,242,.18),transparent 64%)}.breath-circle{width:165px;height:165px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(145deg,#0b539f,#073f8f);color:#fff;box-shadow:0 18px 40px rgba(7,63,143,.26);transform:scale(.86);transition:transform 1s linear}.breath-circle.inhale{transform:scale(1.42)}.breath-circle.exhale{transform:scale(.82)}.breath-circle.hold{transform:scale(1.42)}.breath-circle.hold-low{transform:scale(.82)}.breath-circle span{font-size:1rem;font-weight:800}.breath-circle strong{font-size:2.3rem;line-height:1;margin-top:6px}.cue-card{display:grid;grid-template-columns:1fr 1fr;gap:12px;background:#f1f7fb;border-radius:18px;padding:14px}.cue-card strong{display:block;margin-top:4px}.mini-label{color:#66809b;font-size:.66rem}.controls{display:grid;grid-template-columns:1fr 2fr;gap:10px;margin-top:14px}.control-main{font-size:1.05rem}.duration-picker{margin-top:16px;display:grid;gap:8px}.duration-picker>span{font-weight:800;font-size:.9rem}.segment-control{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.segment-control button{border:1px solid #cdddeb;background:white;color:#4c6177;border-radius:12px;padding:9px;font-weight:800}.segment-control button.active{background:#073f8f;color:#fff;border-color:#073f8f}.rating-card{margin-top:18px}.rating-card h2{font-size:1.1rem;margin:6px 0 16px}.rating-row{display:grid;grid-template-columns:84px 1fr;gap:10px;align-items:center;margin:12px 0}.rating-row label{font-weight:800}.rating-row output{display:inline-grid;place-items:center;width:28px;height:28px;background:#eaf5fb;border-radius:50%;color:#073f8f}.rating-row input{width:100%;accent-color:#073f8f}.saved-note{min-height:20px;margin:8px 0 0;color:#2b6d61;font-size:.85rem}.session-side{display:grid;gap:12px}.detail-card p,.detail-card ul{margin:7px 0 0;color:#53677c}.detail-card ul{padding-left:18px}.case-image{width:100%;max-height:280px;object-fit:contain;border-radius:18px;background:#f7fafc}.contact-card{margin-top:18px}.bottom-nav{position:fixed;z-index:30;left:50%;bottom:0;transform:translateX(-50%);width:100%;max-width:1160px;display:grid;grid-template-columns:repeat(3,1fr);background:rgba(255,255,255,.97);backdrop-filter:blur(14px);border-top:1px solid #dbe6ef;padding:8px max(10px,env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-left))}.bottom-nav button{border:0;background:transparent;color:#6b7c90;font-size:.76rem;font-weight:800;display:grid;gap:2px;place-items:center;padding:5px}.bottom-nav button span{font-size:1.15rem}.bottom-nav button.active{color:#073f8f}.completion-modal{position:fixed;z-index:50;inset:0;background:rgba(6,24,46,.56);display:grid;place-items:center;padding:20px}.completion-modal[hidden]{display:none}.modal-card{max-width:430px;background:#fff;border-radius:28px;padding:28px;text-align:center;box-shadow:0 24px 70px rgba(0,0,0,.25)}.modal-mark{width:58px;height:58px;margin:0 auto 14px;border-radius:50%;display:grid;place-items:center;background:#e5f6f4;color:#0b6b5c;font-size:1.6rem;font-weight:900}.modal-card h2{font-size:2rem;margin:7px 0}.modal-card .primary-btn{width:100%;margin-top:10px}@media(min-width:720px){main{padding:28px}.hero-card{padding:48px}.hero-product{position:absolute;right:26px;bottom:20px;width:42%;opacity:.98}.hero-card .lead{max-width:50%}.hero-card .primary-btn{margin-bottom:18px}.grid.two{grid-template-columns:1fr 1fr}.routine-list{grid-template-columns:repeat(3,1fr)}.routine-card{min-height:250px}.session-layout{grid-template-columns:minmax(0,1.45fr) minmax(300px,.7fr)}.session-side{align-content:start}.bottom-nav{border:1px solid #dbe6ef;border-bottom:0;border-radius:22px 22px 0 0}.timer-card{padding:24px}.breath-stage{min-height:380px}.breath-circle-wrap{width:280px;height:280px}.breath-circle{width:180px;height:180px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.breath-circle,.progress-track div{transition:none!important}}

/* ===== v1.1 layout refinements ===== */
body{background:#f5f8fc}
.app-shell{padding-bottom:82px}
.topbar{
  min-height:72px;
  padding:10px 18px;
  gap:18px;
}
.brand{display:flex;align-items:center;min-width:0}
.brand img{
  width:118px;
  height:48px;
  object-fit:contain;
  object-position:left center;
}
.desktop-nav{display:none;align-items:center;gap:6px;margin-left:auto}
.desktop-nav button{
  border:0;background:transparent;color:#5c6f84;font-weight:850;
  padding:10px 13px;border-radius:12px
}
.desktop-nav button:hover,.desktop-nav button.active{background:#eaf3fb;color:#073f8f}
.install-header{margin-left:4px}

.hero-card{
  display:grid;
  grid-template-columns:1fr;
  gap:26px;
  align-items:center;
  padding:28px 22px;
}
.hero-copy{position:relative;z-index:2}
.hero-card h1{
  max-width:760px;
  margin:8px 0 16px;
  font-size:clamp(2.45rem,10vw,4rem);
  line-height:.94;
}
.hero-card .lead{max-width:700px;margin:0 0 20px}
.hero-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.hero-link{color:white;font-weight:900;text-decoration:none;padding:12px 4px}
.hero-product{
  position:relative;
  inset:auto;
  width:100%;
  margin:0;
  min-height:260px;
  display:grid;
  place-items:center;
  border-radius:24px;
  background:rgba(255,255,255,.98);
  box-shadow:0 16px 34px rgba(0,0,0,.10);
}
.hero-product img{width:100%;height:280px;object-fit:contain}

.quick-start{
  display:grid;gap:12px;margin:16px 0 0;
}
.quick-start-step{
  display:grid;grid-template-columns:40px 1fr;gap:12px;align-items:start;
  background:#fff;border:1px solid #dce7f1;border-radius:18px;padding:15px;
  box-shadow:0 7px 20px rgba(28,66,108,.05)
}
.quick-start-step>span{
  width:40px;height:40px;display:grid;place-items:center;border-radius:13px;
  background:#e8f4fb;color:#073f8f;font-weight:900
}
.quick-start-step strong{display:block;margin-bottom:3px}
.quick-start-step p{margin:0;color:#5b6f84;font-size:.92rem}

.routine-card{min-height:unset}
.routine-best{
  color:#073f8f;font-weight:900;font-size:.86rem;
  padding:9px 11px;border-radius:12px;background:#e9f4fb;
}
.routine-meta span{font-size:.74rem}

.contact-strip{
  margin-top:34px;
  padding:24px;
  border-radius:26px;
  background:#073f8f;
  color:white;
  display:grid;
  gap:20px;
  align-items:center;
  box-shadow:0 20px 45px rgba(7,63,143,.16)
}
.contact-strip h2{margin:6px 0 8px;line-height:1.1}
.contact-strip p{margin:0;color:#dcecff}
.contact-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.contact-strip .primary-btn{background:white;color:#073f8f;text-decoration:none}
.contact-strip .secondary-btn{background:#dff5f7;color:#073f8f;text-decoration:none}
.contact-strip .text-link{color:white;font-weight:850;text-decoration:none;padding:10px 4px}

.contact-detail-grid{display:grid;gap:10px;margin-top:16px}
.contact-detail-grid a{
  display:flex;flex-direction:column;gap:3px;
  text-decoration:none;color:#10243f;background:#f3f7fb;border-radius:15px;padding:14px
}
.contact-detail-grid strong{color:#073f8f;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase}
.contact-detail-grid span{font-weight:750}

.site-footer{
  max-width:1160px;margin:26px auto 0;padding:20px 18px 100px;
  display:grid;gap:12px;color:#5a6c80;font-size:.88rem
}
.site-footer>div:first-child{display:flex;flex-direction:column}
.site-footer strong{color:#17304e}
.footer-links{display:flex;flex-wrap:wrap;gap:14px}
.footer-links a{color:#073f8f;font-weight:800;text-decoration:none}

@media(min-width:720px){
  .app-shell{padding-bottom:0}
  .topbar{padding:10px 28px}
  .brand img{width:144px;height:52px}
  .desktop-nav{display:flex}
  main{padding-top:24px}
  .hero-card{
    grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);
    min-height:500px;
    padding:48px;
    gap:38px;
  }
  .hero-card h1{font-size:clamp(3.6rem,6vw,5.8rem)}
  .hero-card .lead{max-width:640px;font-size:1.08rem}
  .hero-product{
    position:relative;
    right:auto;bottom:auto;width:100%;
    margin:0;min-height:370px;
  }
  .hero-product img{height:390px}
  .quick-start{grid-template-columns:repeat(3,1fr);margin-top:18px}
  .routine-list{grid-template-columns:repeat(3,minmax(0,1fr))}
  .routine-card{min-height:300px;align-content:start}
  .routine-card button{margin-top:auto}
  .contact-strip{grid-template-columns:1.25fr .75fr;padding:30px}
  .contact-actions{justify-content:flex-end}
  .contact-detail-grid{grid-template-columns:repeat(3,1fr)}
  .site-footer{
    grid-template-columns:1fr auto;
    align-items:end;
    padding:26px 28px 34px
  }
  .footer-links{justify-content:flex-end}
  .bottom-nav{display:none}
}

@media(min-width:1000px){
  .grid.two{gap:20px}
  .info-card,.safety-card{padding:26px}
  .section-heading h2{font-size:2.25rem}
}


/* ===== v1.2 desktop polish ===== */
.hero-card{
  overflow:hidden;
}
.hero-copy{
  max-width:680px;
}
.hero-product{
  padding:18px;
  align-content:center;
}
.product-kicker{
  justify-self:start;
  color:#073f8f;
  font-size:.72rem;
  letter-spacing:.14em;
  font-weight:900;
  margin-bottom:6px;
}
.product-caption{
  color:#4e6479;
  font-weight:800;
  font-size:.88rem;
  text-align:center;
  margin-top:4px;
}
.hero-product img{
  max-width:100%;
  object-fit:contain;
}
.routine-heading{
  display:grid;
  gap:7px;
}
.routine-state{
  display:inline-flex;
  width:max-content;
  background:#073f8f;
  color:#fff;
  padding:6px 9px;
  border-radius:999px;
  font-size:.68rem;
  letter-spacing:.12em;
  font-weight:900;
}
.routine-card h3{font-size:1.4rem}
.routine-card p{font-size:.95rem;line-height:1.45}
.routine-best{
  background:#eef8fb;
  color:#0c5a70;
  border:1px solid #c7e8ee;
}
.contact-strip{
  margin-bottom:18px;
}
.contact-actions{
  gap:12px;
}
.contact-actions a{
  min-height:46px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.site-footer{
  border-top:1px solid #dce7f1;
  background:transparent;
  margin-top:10px;
}
.footer-brand{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.footer-links a{
  padding:5px 0;
}

@media(min-width:720px){
  .bottom-nav{
    display:none !important;
    visibility:hidden !important;
    pointer-events:none !important;
  }

  .install-header{
    display:none !important;
  }

  .topbar{
    min-height:68px;
  }

  .brand img{
    width:168px;
    height:56px;
  }

  .hero-card{
    grid-template-columns:minmax(0,1.12fr) minmax(360px,.88fr);
    min-height:520px;
    padding:46px 46px 42px;
  }

  .hero-card h1{
    font-size:clamp(3.8rem,5.8vw,5.5rem);
    max-width:620px;
  }

  .hero-product{
    min-height:390px;
    max-width:470px;
    justify-self:end;
  }

  .hero-product img{
    height:330px;
  }

  .quick-start{
    margin-top:20px;
  }

  .routine-list{
    gap:18px;
  }

  .routine-card{
    padding:22px;
    min-height:285px;
  }

  .contact-strip{
    margin-top:30px;
    margin-bottom:14px;
    padding:28px 30px;
  }

  .site-footer{
    padding-top:20px;
    padding-bottom:28px;
  }
}

@media(min-width:1100px){
  .hero-card{
    grid-template-columns:minmax(0,1.18fr) minmax(380px,.82fr);
  }
  .hero-product{
    max-width:440px;
  }
}