/* Patient App Guides — clean, calm, healthcare-friendly layout */
:root{
  --teal:#0b6e6a; --teal-2:#0f8a83; --teal-tint:#e6f5f3; --teal-dark:#0a3f3d;
  --ink:#122a2c; --ink-2:#3d5457; --muted:#6d8386; --line:#dde8e7;
  --cream:#f6faf9; --cream-2:#eef6f5; --white:#fff;
  --systm:#2f6fed; --systm-tint:#e9f0fe;
  --airmid:#0f9d8a; --airmid-tint:#e3f8f4;
  --amber:#ff8a3d; --amber-dark:#e0711f;
  --radius:16px; --radius-sm:10px; --shadow:0 12px 30px rgba(10,50,48,.12); --shadow-sm:0 2px 10px rgba(10,50,48,.08);
  --font-head:"Outfit",system-ui,sans-serif; --font-body:"Inter","Segoe UI",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-body);font-size:17px;line-height:1.65;color:var(--ink);background:var(--cream)}
img,svg{max-width:100%}
a{color:var(--teal-2)}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.2;margin:0 0 .5em;color:var(--teal-dark);font-weight:700}
h1{font-size:clamp(2rem,4.2vw,3rem)} h2{font-size:clamp(1.4rem,2.8vw,1.9rem)} h3{font-size:1.2rem}
p{margin:0 0 1em}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;background:var(--amber);color:var(--ink);padding:8px 12px;z-index:200;border-radius:0 0 8px 0}
.skip:focus{left:0}
.icon{width:1.1em;height:1.1em;vertical-align:-.18em;fill:none;flex:none}
.icon-star,.icon-check{fill:currentColor}
.icon-check{fill:none}

/* Disclosure bar */
.disclosure-bar{background:var(--teal-dark);color:#dff3f1;font-size:.85rem}
.disclosure-bar .wrap{display:flex;align-items:center;gap:8px;padding:8px 20px;flex-wrap:wrap}
.disclosure-bar .icon{color:var(--amber)}
.disclosure-bar a{color:#fff;font-weight:600;text-decoration:underline}

/* Header */
.site-header{background:var(--white);position:sticky;top:0;z-index:50;box-shadow:0 1px 0 var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--teal-dark);text-decoration:none;font-family:var(--font-head);font-size:1.2rem}
.brand-mark{width:34px;height:34px;color:var(--teal)}
.brand strong{color:var(--teal)}
.nav{display:flex;align-items:center;gap:4px}
.nav a{color:var(--ink-2);text-decoration:none;padding:8px 12px;border-radius:8px;display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:.95rem}
.nav a:hover,.nav a.active{background:var(--teal-tint);color:var(--teal-dark)}
.nav-search{display:flex;margin-left:6px;background:var(--cream-2);border:1px solid var(--line);border-radius:999px;overflow:hidden}
.nav-search input{border:0;background:transparent;color:var(--ink);padding:8px 4px 8px 14px;width:150px;font:inherit;font-size:.9rem}
.nav-search button{border:0;background:transparent;color:var(--teal);padding:0 12px;cursor:pointer}
.nav-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer;color:var(--teal-dark)}
@media(max-width:900px){
  .nav-toggle{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:68px;background:var(--white);flex-direction:column;align-items:stretch;padding:12px 20px 18px;gap:2px;box-shadow:var(--shadow);border-top:1px solid var(--line)}
  .nav.open{display:flex}
  .nav-search{margin:10px 0 0}
  .nav-search input{width:100%}
}

/* Breadcrumbs */
.crumbs{font-size:.88rem;margin-top:14px}
.crumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px;color:var(--muted)}
.crumbs li+li::before{content:"›";margin-right:6px}
.crumbs a{color:var(--teal-2);text-decoration:none}

/* Hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(150deg,var(--teal-dark) 0%,var(--teal) 55%,var(--teal-2) 100%);color:#fff}
.hero-inner{position:relative;z-index:1;padding:64px 0 60px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero .kicker{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:.76rem;padding:6px 14px;border-radius:999px;margin-bottom:18px}
.hero h1{color:#fff;max-width:600px}
.hero p.lead{max-width:520px;font-size:1.12rem;opacity:.94}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-art{display:flex;align-items:center;justify-content:center}
@media(max-width:900px){.hero-inner{grid-template-columns:1fr;padding:44px 0}.hero-art{order:-1;max-width:280px;margin:0 auto}}

/* Phone mockup illustration */
.phone-mock{width:100%;max-width:300px;aspect-ratio:9/18.5;background:#fff;border-radius:34px;border:8px solid rgba(255,255,255,.25);box-shadow:0 30px 60px rgba(0,0,0,.35);padding:18px 14px;position:relative;color:var(--teal-dark)}
.phone-mock .pm-notch{position:absolute;top:6px;left:50%;transform:translateX(-50%);width:60px;height:6px;border-radius:4px;background:rgba(0,0,0,.15)}
.phone-mock .pm-row{display:flex;align-items:center;gap:10px;background:var(--cream-2);border-radius:10px;padding:10px 12px;margin-bottom:10px}
.phone-mock .pm-row .icon{color:var(--teal);width:20px;height:20px}
.phone-mock .pm-row span{font-size:.72rem;font-weight:700;color:var(--ink-2)}
.phone-mock .pm-bar{height:10px;border-radius:6px;background:var(--line);margin-bottom:14px;width:70%}
.phone-mock .pm-cta{margin-top:auto;background:var(--amber);color:#fff;border-radius:10px;padding:10px;text-align:center;font-weight:700;font-size:.78rem}
.phone-mock.airmid .pm-cta{background:var(--airmid)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:700;text-decoration:none;border:2px solid transparent;cursor:pointer;font:inherit;transition:.15s;line-height:1.2}
.btn-primary{background:var(--amber);color:#20140a;border-color:var(--amber)}
.btn-primary:hover{background:var(--amber-dark);border-color:var(--amber-dark);color:#fff}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-teal{background:var(--teal);color:#fff;border-color:var(--teal)}
.btn-teal:hover{background:var(--teal-2)}
.btn-outline{background:transparent;color:var(--teal-dark);border-color:var(--teal-dark)}
.btn-outline:hover{background:var(--teal-dark);color:#fff}
.btn-lg{padding:15px 28px;font-size:1.02rem}
.btn-sm{padding:8px 16px;font-size:.88rem}
.btn-block{width:100%;justify-content:center}

/* Sections */
.section{padding:56px 0}
.section-tight{padding:32px 0}
.section-alt{background:var(--cream-2)}
.section-dark{background:var(--teal-dark);color:#e6f5f3}
.section-dark h2,.section-dark h3{color:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.section-head p{margin:0;color:var(--ink-2);max-width:640px}
.section-head .more{white-space:nowrap;font-weight:700;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.eyebrow{text-transform:uppercase;letter-spacing:.1em;font-size:.76rem;font-weight:700;color:var(--teal-2);margin-bottom:6px;display:block}

/* Product tiles (home) */
.product-tiles{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:780px){.product-tiles{grid-template-columns:1fr}}
.product-tile{position:relative;border-radius:var(--radius);overflow:hidden;padding:30px 28px;color:#fff;text-decoration:none;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px;min-height:220px}
.product-tile.systm{background:linear-gradient(150deg,#1c4fc0,var(--systm))}
.product-tile.airmid{background:linear-gradient(150deg,#0a6e60,var(--airmid))}
.product-tile .pt-icon{width:52px;height:52px;background:rgba(255,255,255,.18);border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:6px}
.product-tile .pt-icon .icon{width:28px;height:28px}
.product-tile h3{color:#fff;font-size:1.5rem;margin:0}
.product-tile p{margin:0;opacity:.92;max-width:420px}
.product-tile .pt-cta{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-weight:700}

/* Steps overview icons row */
.how-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:900px){.how-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.how-grid{grid-template-columns:1fr}}
.how-item{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-align:left}
.how-item .icon-wrap{width:46px;height:46px;border-radius:12px;background:var(--teal-tint);color:var(--teal);display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.how-item .icon-wrap .icon{width:24px;height:24px}
.how-item h3{font-size:1.05rem;margin-bottom:4px}
.how-item p{color:var(--ink-2);font-size:.94rem;margin:0}

/* Cards / grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){.grid,.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.grid,.grid-2,.grid-4{grid-template-columns:1fr}}

.card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s;border:1px solid var(--line)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.card-article{position:relative}
.card-icon-wrap{display:flex;align-items:center;justify-content:center;height:96px;background:var(--cream-2)}
.card-article.accent-systm .card-icon-wrap{background:var(--systm-tint);color:var(--systm)}
.card-article.accent-airmid .card-icon-wrap{background:var(--airmid-tint);color:var(--airmid)}
.card-icon{width:36px;height:36px}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-kicker{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);display:flex;align-items:center;gap:6px}
.card-kicker .dot{opacity:.6}
.card-title{margin:0;font-size:1.1rem}
.card-title a{color:var(--teal-dark);text-decoration:none}
.card-title a:hover{color:var(--teal)}
.card-text{color:var(--ink-2);font-size:.95rem;margin:0;flex:1}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:8px;font-size:.86rem;color:var(--muted)}
.read-time{display:inline-flex;align-items:center;gap:5px}
.card-cta{color:var(--teal);font-weight:700;display:inline-flex;align-items:center;gap:5px}

/* Category filter pills */
.pillbar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.pill{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:999px;background:var(--white);border:1px solid var(--line);color:var(--ink-2);text-decoration:none;font-size:.9rem;font-weight:600}
.pill:hover{border-color:var(--teal)}
.pill.active{background:var(--teal-dark);border-color:var(--teal-dark);color:#fff}

/* Article page */
.article-hero{background:var(--white);border-bottom:1px solid var(--line)}
.article-hero-inner{padding:36px 0 30px;display:flex;gap:18px;align-items:flex-start}
.article-hero .ah-icon{width:60px;height:60px;border-radius:16px;display:flex;align-items:center;justify-content:center;flex:none}
.accent-systm .ah-icon{background:var(--systm-tint);color:var(--systm)}
.accent-airmid .ah-icon{background:var(--airmid-tint);color:var(--airmid)}
.ah-icon .icon{width:30px;height:30px}
.article-meta{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:.9rem;margin-top:10px}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-body{max-width:760px}
.article-lead{font-size:1.12rem;color:var(--ink-2)}

.steps{list-style:none;margin:0;padding:0;counter-reset:step}
.step{display:flex;gap:18px;padding:22px 0;border-top:1px solid var(--line)}
.step:first-child{border-top:0}
.step-num{width:38px;height:38px;border-radius:50%;background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;flex:none;font-family:var(--font-head)}
.step-body h3{margin:0 0 6px;font-size:1.08rem}
.step-body p{color:var(--ink-2);margin:0 0 .6em}

.tips{background:var(--cream-2);border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;margin:34px 0}
.tips h2{display:flex;align-items:center;gap:8px;font-size:1.1rem;margin-bottom:12px;color:var(--teal-dark)}
.tips ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.tips li{display:flex;align-items:flex-start;gap:10px;color:var(--ink-2)}
.tips li .icon{color:var(--teal);flex:none;margin-top:.2em}

.faq{margin:34px 0}
.faq details{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px 18px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:700;color:var(--teal-dark);display:flex;align-items:center;justify-content:space-between;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary .icon{transition:transform .2s;color:var(--muted)}
.faq details[open] summary .icon{transform:rotate(180deg)}
.faq-a{padding-top:10px;color:var(--ink-2)}

/* Feedback widget */
.feedback-box{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;margin:38px 0}
.feedback-box h2{font-size:1.05rem;margin-bottom:14px}
.feedback-buttons{display:flex;gap:10px}
.feedback-buttons button{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;border:1px solid var(--line);background:var(--cream-2);font-weight:700;cursor:pointer;font:inherit;color:var(--ink-2)}
.feedback-buttons button:hover{border-color:var(--teal)}
.feedback-buttons button[data-val="1"]:hover,.feedback-buttons button[data-val="1"].chosen{background:var(--teal-tint);border-color:var(--teal);color:var(--teal-dark)}
.feedback-buttons button[data-val="0"]:hover,.feedback-buttons button[data-val="0"].chosen{background:#fdece8;border-color:#e0725a;color:#a8402a}
.feedback-comment{margin-top:14px;display:none}
.feedback-comment.show{display:block}
.feedback-comment textarea{width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px;font:inherit;resize:vertical;min-height:80px}
.feedback-thanks{color:var(--teal-dark);font-weight:700;display:none;align-items:center;gap:8px}
.feedback-thanks.show{display:flex}

/* Related */
.related{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.related a{background:var(--cream-2);border:1px solid var(--line);border-radius:999px;padding:8px 16px;text-decoration:none;color:var(--teal-dark);font-weight:600;font-size:.9rem}

/* About / info pages */
.callout{background:var(--teal-tint);border:1px solid #bfe3df;border-radius:var(--radius);padding:22px 24px;margin:24px 0}
.callout.amber{background:#fff4e9;border-color:#ffd8ac}
.callout h3{margin-top:0}

/* Forms (search etc.) */
.search-form{display:flex;gap:10px;max-width:520px;margin-bottom:30px}
.search-form input{flex:1;padding:12px 16px;border:1px solid var(--line);border-radius:999px;font:inherit}

/* Footer */
.site-footer{background:var(--teal-dark);color:#cfe9e5;margin-top:60px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding:50px 20px 30px}
.footer-grid h4{color:#fff;font-size:.95rem;margin-bottom:12px}
.footer-grid a{display:block;color:#bcdedb;text-decoration:none;margin-bottom:8px;font-size:.92rem}
.footer-grid a:hover{color:#fff}
.footer-about p{color:#bcdedb;font-size:.92rem;max-width:320px}
.footer-about .brand{color:#fff}
.footer-about .brand-mark{color:#fff}
.footer-about strong{color:var(--amber)}
.footer-base{border-top:1px solid rgba(255,255,255,.12);padding:18px 20px 30px;display:flex;flex-direction:column;gap:6px;font-size:.82rem;color:#9fc7c2}
@media(max-width:780px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr}}

/* 404 */
.notfound{text-align:center;padding:90px 0}
.notfound .icon{width:64px;height:64px;color:var(--teal)}