:root{
 --teal:#17838c; --teal-bright:#42bac4; --teal-soft:#e7f5f6; --teal-deep:#12727b;
 --rose:#de4f59; --ink:#333333; --muted:#6b716f;
 --bg:#FAF7F1; --card:#FFFFFF; --line:#E9E3D7;
 --radius:18px; --shadow:0 10px 30px rgba(23,131,140,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:'Tajawal','Nunito',-apple-system,'Segoe UI',Arial,sans-serif;line-height:1.85;font-size:17px}
html[lang="en"] body{font-family:'Nunito','Tajawal',-apple-system,'Segoe UI',Arial,sans-serif}
.wrap{max-width:900px;margin:0 auto;padding:0 20px}
a{color:var(--teal);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.35;margin:0 0 .5em}
h1{font-size:2.1rem;font-weight:800;color:var(--teal-deep)}
h2{font-size:1.45rem;font-weight:800;color:var(--teal-deep);margin-top:1.6em}
h3{font-size:1.12rem;font-weight:700;margin-top:1.4em}
p{margin:0 0 1em}
/* header */
header{background:rgba(250,247,241,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 20px;max-width:1100px;margin:0 auto}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;color:var(--ink);font-size:1.05rem}
.brand:hover{text-decoration:none}
.brand svg{height:30px;width:auto;color:var(--teal-bright);flex:0 0 auto}
.brand .dot{color:var(--rose)}
.lang-btn{border:1.5px solid var(--teal);color:var(--teal);background:transparent;border-radius:999px;padding:7px 17px;font-weight:700;cursor:pointer;font-size:.9rem;font-family:inherit}
.lang-btn:hover{background:var(--teal);color:#fff}
/* breadcrumb */
.crumb{font-size:.87rem;color:var(--muted);padding:18px 0 0}
.crumb a{color:var(--muted)}
/* hero */
.phead{padding:6px 0 4px}
.kicker{color:var(--teal-bright);font-weight:800;letter-spacing:.12em;font-size:.79rem;text-transform:uppercase;margin-bottom:6px}
.lede{font-size:1.08rem;color:var(--muted);max-width:70ch}
main{padding-bottom:40px}
/* cards & lists */
.facts{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px 26px;margin:20px 0}
.facts ul{margin:0;padding-inline-start:20px}
.facts li{margin:.55em 0}
.facts li::marker{color:var(--teal-bright)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin:18px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow)}
.card h3{margin-top:0;color:var(--teal-deep)}
.card p{margin:0;color:var(--muted);font-size:.97rem}
.note{border-inline-start:4px solid var(--teal-bright);background:var(--teal-soft);border-radius:12px;padding:14px 18px;margin:18px 0;font-size:.97rem}
/* FAQ */
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:16px;margin:12px 0;box-shadow:0 6px 18px rgba(23,131,140,.06);overflow:hidden}
.faq-item summary{cursor:pointer;font-weight:700;padding:16px 22px;list-style:none;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:after{content:"+";position:absolute;inset-inline-end:20px;top:12px;font-size:22px;color:var(--teal-bright)}
.faq-item[open] summary:after{content:"\2212"}
.faq-item p{padding:0 22px 18px;margin:0;color:var(--muted)}
/* CTA */
.cta{position:relative;overflow:hidden;background:linear-gradient(135deg,#1f9aa4,#12727b);color:#fff;border-radius:24px;padding:34px 28px;text-align:center;margin:34px 0}
.cta::after{content:"";position:absolute;inset:0;background:#fff;-webkit-mask-image:url(/pattern.svg);mask-image:url(/pattern.svg);-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-position:right bottom;mask-position:right bottom;-webkit-mask-size:260px auto;mask-size:260px auto;opacity:.17;pointer-events:none}
.cta>*{position:relative;z-index:1}
.cta h2{color:#fff;margin-top:0}
.cta p{color:#d9f0f2}
.btn{display:inline-flex;align-items:center;gap:9px;background:#fff;color:var(--teal-deep);font-weight:800;border-radius:999px;padding:13px 30px;margin-top:6px}
.btn:hover{text-decoration:none;background:#eafafb}
.cta .meta{margin-top:14px;font-size:.93rem;color:#cfeaec}
.cta .meta a{color:#fff;text-decoration:underline}
/* related */
.related{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 0}
.related a{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-weight:600;font-size:.95rem;color:var(--ink)}
.related a:hover{border-color:var(--teal-bright);color:var(--teal);text-decoration:none}
/* footer */
footer{border-top:1px solid var(--line);margin-top:36px;padding:26px 0 40px;font-size:.9rem;color:var(--muted);text-align:center}
.disclaimer{max-width:74ch;margin:0 auto 14px;font-size:.86rem}
.srcs{font-size:.8rem;color:#8b918f;max-width:74ch;margin:10px auto 0}
.srcs a{color:#8b918f}
@media(max-width:640px){body{font-size:16px}h1{font-size:1.72rem}.cta{padding:28px 20px}.facts{padding:18px 20px}}
/* ===== top nav ===== */
.topnav{display:flex;align-items:center;gap:14px}
.topnav>a{font-weight:700;font-size:.93rem;color:var(--teal-deep)}
/* ===== advice page ===== */
.dlrow{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin:18px 0 4px}
.dl{display:inline-flex;align-items:center;gap:9px;background:var(--teal);color:#fff;font-weight:800;border-radius:999px;padding:11px 24px;font-size:.96rem}
.dl:hover{background:var(--teal-deep);text-decoration:none;color:#fff}
.upd{font-size:.86rem;color:var(--muted)}
.facts.advice ol{margin:0;padding-inline-start:26px;counter-reset:n}
.facts.advice li{margin:.8em 0;padding-inline-start:4px}
.facts.advice li::marker{color:var(--teal-bright);font-weight:800}
/* ===== hub ===== */
.tools{position:sticky;top:60px;z-index:20;background:var(--bg);padding:14px 0 10px;margin-bottom:6px}
.searchbox{display:flex;align-items:center;gap:10px;background:var(--card);border:1.5px solid var(--line);border-radius:999px;padding:10px 20px;box-shadow:var(--shadow)}
.searchbox svg{color:var(--teal-bright);flex:0 0 auto}
.searchbox input{border:0;outline:0;background:transparent;font:inherit;font-size:1rem;width:100%;color:var(--ink)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.chip{border:1.5px solid var(--line);background:var(--card);color:var(--ink);border-radius:999px;padding:7px 16px;font:inherit;font-size:.88rem;font-weight:700;cursor:pointer}
.chip:hover{border-color:var(--teal-bright);color:var(--teal-deep)}
.chip.on{background:var(--teal);border-color:var(--teal);color:#fff}
.catsec{scroll-margin-top:130px}
.catsec h2{display:flex;align-items:center;gap:10px}
.cnt{background:var(--teal-soft);color:var(--teal-deep);font-size:.78rem;border-radius:999px;padding:2px 11px;font-weight:800}
.tgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:14px;margin:14px 0 30px}
.tcard{display:flex;flex-direction:column;gap:5px;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 18px;box-shadow:0 6px 18px rgba(23,131,140,.06);transition:transform .15s,border-color .15s}
.tcard:hover{text-decoration:none;border-color:var(--teal-bright);transform:translateY(-2px)}
.tcard .tag{font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-bright)}
.tcard .tt{font-weight:700;color:var(--ink);line-height:1.45;font-size:1.01rem}
.tcard .tn{font-size:.82rem;color:var(--muted)}
.nores{text-align:center;color:var(--muted);padding:30px 0}
[dir] .tcard [dir="ltr"]{unicode-bidi:isolate}
@media(max-width:640px){.tools{top:56px}.topnav>a{display:none}.tgrid{grid-template-columns:1fr}}

.nav-advice{font-weight:700;font-size:.92rem;color:var(--teal);margin-inline-end:14px;white-space:nowrap}
@media(max-width:520px){.nav-advice{display:none}}

.reviewed{font-size:.86rem;color:var(--muted);margin:2px 0 10px}.reviewed time{font-variant-numeric:tabular-nums}
.note-dis{font-size:.92rem;color:var(--muted);border-inline-start:3px solid var(--teal-bright);padding:8px 12px;margin:18px 0}

.clinic-footer{padding:10px 20px;line-height:1.8}.clinic-footer a{display:inline-block;padding:4px 0}.reviewed a{color:inherit;text-decoration:underline;text-underline-offset:3px}


/* click-to-play YouTube embeds (build 25) */
.ytrow{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px;margin:14px 0 26px}
.ytv{position:relative;aspect-ratio:16/9;background:#0e3b39;border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
.ytv a{display:block;position:absolute;inset:0}
.ytv img{width:100%;height:100%;object-fit:cover;transform:scale(1.34);display:block;opacity:.92;transition:transform .35s}
.ytv:hover img{transform:scale(1.38)}
.ytv .play{position:absolute;left:50%;top:50%;width:68px;height:68px;margin:-34px 0 0 -34px;border-radius:50%;background:rgba(14,59,57,.72);border:2px solid #fff;display:grid;place-items:center;pointer-events:none}
.ytv .play::after{content:"";border-style:solid;border-width:12px 0 12px 21px;border-color:transparent transparent transparent #fff;margin-left:5px}
.ytv iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.ytcap{font-size:.9rem;color:var(--muted);margin:8px 2px 0}
.vidsec{margin:30px 0}
.vidsec .ytv{max-width:720px}