/* ===== Nursing site — shared stylesheet ===== */
:root{
  --teal:#0e9488; --teal2:#0b766c; --teal-bg:#e8f6f3;
  --ink:#16241f; --gray:#566; --soft:#7a8a85; --line:#e3ece9; --bg:#f3f8f6; --white:#fff;
  --maxw:1080px; --read:720px;
  --shadow:0 1px 2px rgba(20,60,50,.05); --shadow-lg:0 8px 24px rgba(14,80,70,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.adslot{max-width:100%}
.adslot > div{max-width:100%;margin-left:auto;margin-right:auto}
a{color:var(--teal2)}
img{max-width:100%}

/* ---- top nav ---- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:11px 18px;display:flex;align-items:center;gap:18px}
.brand{font-weight:800;font-size:19px;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:8px;white-space:nowrap}
.brand .dot{width:11px;height:11px;border-radius:50%;background:var(--teal);display:inline-block}
.nav-links{display:flex;gap:16px;flex-wrap:wrap;margin-left:6px}
.nav-links a{color:var(--gray);text-decoration:none;font-size:14.5px;font-weight:600}
.nav-links a:hover{color:var(--teal2)}
.nav-cta{margin-left:auto;background:var(--teal);color:#fff;text-decoration:none;font-weight:700;font-size:14px;padding:9px 15px;border-radius:10px;white-space:nowrap}
.nav-cta:hover{background:var(--teal2)}

/* ---- layout ---- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:28px 18px}
.read{max-width:var(--read);margin:0 auto;padding:24px 18px 56px}
.crumbs{font-size:13px;color:var(--soft);margin:0 0 10px}
.crumbs a{color:var(--soft);text-decoration:none}
.crumbs a:hover{text-decoration:underline}

h1{font-size:30px;line-height:1.22;margin:6px 0 6px;letter-spacing:-.01em}
.dek{font-size:18px;color:var(--gray);margin:0 0 8px}
.byline{font-size:13px;color:var(--soft);margin:6px 0 0}
h2{font-size:22px;margin:30px 0 8px;letter-spacing:-.01em}
h3{font-size:18px;margin:20px 0 6px}
p{margin:13px 0;font-size:17px}
ul{font-size:17px;padding-left:22px}
li{margin:7px 0}

/* ---- key takeaways ---- */
.takeaways{background:var(--teal-bg);border:1px solid #cfe9e3;border-radius:14px;padding:16px 20px;margin:18px 0}
.takeaways h2{margin:0 0 6px;font-size:16px;text-transform:uppercase;letter-spacing:.5px;color:var(--teal2)}
.takeaways ul{margin:6px 0 0;font-size:15.5px}

/* ---- ad slots ---- */
.adslot{margin:22px 0;min-height:90px;text-align:center}
.adlabel{display:block;font-size:11px;color:#a7bcb6;letter-spacing:1px;margin-bottom:4px}

/* ---- FAQ ---- */
.faq{margin-top:30px}
.faq h2{margin-bottom:4px}
.faq details{border-bottom:1px solid var(--line);padding:12px 0}
.faq summary{font-weight:700;cursor:pointer;font-size:16.5px;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary:before{content:"+";color:var(--teal);font-weight:800;margin-right:10px}
.faq details[open] summary:before{content:"–"}
.faq .a{color:var(--gray);font-size:16px;padding:8px 0 2px 22px}

/* ---- related ---- */
.related{margin-top:34px;border-top:1px solid var(--line);padding-top:18px}
.related h2{font-size:18px;margin:0 0 10px}
.related a{display:block;color:var(--teal2);text-decoration:none;font-weight:600;padding:6px 0}
.related a:hover{text-decoration:underline}

/* ---- hero (home) ---- */
.hero{background:linear-gradient(160deg,#0e9488,#0b766c);color:#fff;border-radius:20px;padding:38px 28px;margin:8px 0 6px;text-align:center}
.hero h1{color:#fff;font-size:34px;margin:0 0 8px}
.hero p{color:#d7f0eb;font-size:18px;max-width:560px;margin:0 auto 18px}
.hero .btn{display:inline-block;background:#fff;color:var(--teal2);font-weight:800;font-size:17px;text-decoration:none;padding:15px 26px;border-radius:13px;box-shadow:var(--shadow-lg)}
.hero .btn:hover{transform:translateY(-1px)}

/* ---- section headings ---- */
.sec-head{display:flex;align-items:baseline;justify-content:space-between;margin:34px 0 4px}
.sec-head h2{margin:0}
.sec-head a{font-size:14px;font-weight:700;color:var(--teal2);text-decoration:none}

/* ---- card grids ---- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin:14px 0}
.card{display:block;background:var(--white);border:1px solid var(--line);border-radius:14px;padding:18px 18px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow);transition:.14s}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);border-color:#bfe0d9}
.card .k{font-size:12px;font-weight:700;color:var(--teal2);text-transform:uppercase;letter-spacing:.5px}
.card h3{margin:6px 0 4px;font-size:17.5px;line-height:1.3}
.card p{margin:0;font-size:14.5px;color:var(--gray)}

/* category pill row */
.pills{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0}
.pill{background:var(--white);border:1px solid var(--line);border-radius:999px;padding:8px 15px;text-decoration:none;color:var(--ink);font-weight:600;font-size:14.5px}
.pill:hover{border-color:var(--teal);color:var(--teal2)}

/* article list (category page) */
.list-item{display:block;background:var(--white);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:12px 0;text-decoration:none;color:var(--ink);box-shadow:var(--shadow)}
.list-item:hover{border-color:#bfe0d9;box-shadow:var(--shadow-lg)}
.list-item h3{margin:0 0 4px;font-size:18px}
.list-item p{margin:0;font-size:14.5px;color:var(--gray)}

/* ---- tools ---- */
.tool-card{background:var(--white);border:1px solid var(--line);border-radius:16px;padding:22px;margin:16px 0;box-shadow:var(--shadow)}
.btn{display:inline-block;background:var(--teal);color:#fff;font-weight:700;text-decoration:none;border:none;cursor:pointer;font-size:16px;padding:13px 22px;border-radius:12px}
.btn:hover{background:var(--teal2)}
.btn[disabled]{opacity:.5;cursor:default}
.opt-btn{display:block;width:100%;text-align:left;background:#fff;border:1.5px solid var(--line);border-radius:12px;padding:13px 15px;margin:8px 0;cursor:pointer;font-size:16px;font-family:inherit;color:var(--ink)}
.opt-btn:hover{border-color:#a9d8d0;background:#fafdfc}
.opt-btn.correct{border-color:#15a06a;background:#e7f7ef}
.opt-btn.wrong{border-color:#d65a4a;background:#fdeeea}
.rationale{background:var(--teal-bg);border-radius:12px;padding:14px 16px;margin:12px 0;font-size:15.5px}
table.ref{width:100%;border-collapse:collapse;font-size:15px;margin:10px 0}
table.ref th,table.ref td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line)}
table.ref th{background:var(--teal-bg);color:var(--teal2);font-size:13px;text-transform:uppercase;letter-spacing:.4px}
table.ref td.note{color:var(--gray);font-size:14px}
.search-in{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:12px;font-size:16px;margin:6px 0 12px}

/* quiz progress (matcher) */
.progress{height:7px;background:#e3ece9;border-radius:999px;overflow:hidden;margin:0 0 18px}
.progress > i{display:block;height:100%;width:0;background:var(--teal);transition:width .25s}

/* ---- footer ---- */
footer.site{background:#0e2a26;color:#bcd5cf;margin-top:48px}
footer.site .f-in{max-width:var(--maxw);margin:0 auto;padding:34px 18px;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:24px}
footer.site h4{color:#fff;font-size:14px;margin:0 0 10px;text-transform:uppercase;letter-spacing:.5px}
footer.site a{display:block;color:#bcd5cf;text-decoration:none;font-size:14px;padding:4px 0}
footer.site a:hover{color:#fff}
footer.site .legal{border-top:1px solid #1d3f39;font-size:12.5px;color:#8fb3ac;text-align:center;padding:16px}
.disclaimer{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:24px 0 0;font-size:13.5px;color:var(--soft)}

@media (max-width:640px){
  h1{font-size:25px}.hero h1{font-size:27px}
  .nav-links{display:none}
  p,ul{font-size:16px}
}