:root{--bg:#f6f9fc;--card:#fff;--ink:#0f172a;--muted:#5b6476;--line:#e4e9f1;--brand:#0f766e;--brand2:#14b8a6;--brand3:#0ea5e9;
  --accent:#f59e0b;--soft:#e6f6f4;--ok:#067647;--bad:#b42318;--hero1:#0f766e;--hero2:#0e7490;--hero3:#155e75}
@media (prefers-color-scheme:dark){:root{--bg:#0b1220;--card:#121a2b;--ink:#e8edf6;--muted:#9aa4b8;--line:#22304a;--brand:#2dd4bf;--soft:#0f2a2a;--ok:#47cd89;--bad:#f97066;
  --hero1:#0b4f4a;--hero2:#0b3f52;--hero3:#0a2f40}}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;overflow-x:hidden}
a{color:inherit}.wrap{max-width:1140px;margin:0 auto;padding:0 16px}
h1,h2,.logo,.price,.big{font-family:Poppins,Inter,system-ui,sans-serif}
header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:16px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;text-decoration:none;white-space:nowrap}
.logo i{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand3));color:#fff;font-style:normal;font-size:19px}
.links{display:flex;gap:18px;margin-left:auto;font-size:15px;color:var(--muted)}.links a{text-decoration:none}.links a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:12px;font-weight:600;text-decoration:none;font-size:15px;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:var(--brand);color:#fff;box-shadow:0 10px 20px -10px rgba(15,118,110,.7)}
.btn.white{background:#fff;color:#0f766e;box-shadow:0 10px 24px -12px rgba(0,0,0,.4)}
.btn.glass{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.35)}
.btn.ghost{border-color:var(--line);background:var(--card)}
.btn.wa-btn{background:#25d366;color:#fff;box-shadow:0 10px 22px -10px rgba(37,211,102,.8)}
.btn.sm{padding:8px 14px;font-size:14px;border-radius:10px}
.logo img{display:block;border-radius:8px}.nr{display:inline-flex;font-weight:800;letter-spacing:-.01em}.nr b{font-weight:800}.nr-a{color:#0b2a5b}.nr-b{color:#1565d8}@media (prefers-color-scheme:dark){.nr-a{color:#e8edf6}.nr-b{color:#5b9bff}}
.brandcard{display:inline-block;background:#fff;border-radius:16px;padding:10px 18px;margin-bottom:18px;box-shadow:0 14px 30px -14px rgba(0,0,0,.45)}.brandcard img{display:block;height:54px;width:auto}
.tp:not(.all) .tb.more{display:none}.tbm{border:1px dashed rgba(255,255,255,.6);background:transparent;color:#fff;font:inherit;font-weight:600;font-size:13px;border-radius:99px;padding:6px 12px;cursor:pointer}
.regions{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:26px 0}.regions .rh{grid-column:1/-1;margin:0;font-size:22px}.rg{display:flex;flex-direction:column;gap:4px;padding:16px;border-radius:16px;background:var(--card);border:1px solid var(--line);text-decoration:none;transition:transform .15s,border-color .15s}.rg:hover{transform:translateY(-2px);border-color:var(--brand)}.rg .e{font-size:26px}.rg b{font-size:16px}.rg small{color:var(--muted);font-size:13px;line-height:1.4}.rg .go{margin-top:6px;color:var(--brand);font-weight:700;font-size:13.5px}
.sgo{background:#fff;color:var(--c1);font-weight:700;font-size:13px;padding:5px 12px;border-radius:99px;text-decoration:none;white-space:nowrap}.sgo:hover{filter:brightness(.95)}
/* hero */
.hero-bg{position:relative;color:#fff;overflow:hidden;background:linear-gradient(90deg,rgba(9,78,86,.96) 0%,rgba(9,78,86,.86) 38%,rgba(9,78,86,.25) 62%,rgba(9,78,86,0) 75%),url(img/hero.webp) right center/cover no-repeat,var(--hero2)}
.hero-bg::before,.hero-bg::after{content:none;position:absolute;border-radius:50%;filter:blur(2px);opacity:.18;background:#fff}
.hero-bg::before{width:420px;height:420px;right:-120px;top:-160px}.hero-bg::after{width:260px;height:260px;left:-90px;bottom:-120px}
.hero{position:relative;z-index:1;padding:84px 16px 100px;display:grid;grid-template-columns:minmax(0,600px);min-height:520px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:99px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);font-weight:600;font-size:13px;margin-bottom:18px}
.pill b{background:var(--accent);color:#1f1300;border-radius:99px;padding:1px 8px;font-size:12px}
h1{font-size:clamp(34px,5.4vw,58px);line-height:1.08;margin:0 0 16px;letter-spacing:-.02em}
h1 em{font-style:normal;background:linear-gradient(90deg,#fde68a,#fbbf24);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:18px;opacity:.92;margin:0 0 26px;max-width:560px}.ctas{display:flex;gap:10px;flex-wrap:wrap}
.trust{display:flex;gap:18px;flex-wrap:wrap;margin-top:22px;font-size:14px;opacity:.9}.trust span::before{content:"✓ ";color:#fde68a;font-weight:800}
.ill{width:100%;max-width:440px;justify-self:center;filter:drop-shadow(0 30px 40px rgba(0,0,0,.28))}
.float{animation:float 5s ease-in-out infinite}.float.d2{animation-delay:-2.5s}
@keyframes float{50%{transform:translateY(-8px)}}
.pulse{stroke-dasharray:320;stroke-dashoffset:320;animation:draw 2.6s ease-in-out infinite}
@keyframes draw{60%,100%{stroke-dashoffset:0}}
/* strips and sections */
.exams{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin:-26px auto 0;position:relative;z-index:2;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px;box-shadow:0 18px 40px -26px rgba(15,23,42,.35)}
.chip{padding:6px 12px;border-radius:99px;background:var(--soft);color:var(--brand);font-weight:600;font-size:13px;white-space:nowrap}
section{padding:56px 0 8px}h2{font-size:clamp(26px,3.6vw,38px);margin:0 0 8px;letter-spacing:-.01em;line-height:1.2}.sub{color:var(--muted);margin:0 0 28px;max-width:680px}
.eyebrow{color:var(--brand);font-weight:700;font-size:13px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);box-shadow:0 18px 36px -24px rgba(15,23,42,.35)}
.ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;margin-bottom:14px}
.ic svg{width:28px;height:28px}
.ic.t{background:#ccfbf1;color:#0f766e}.ic.b{background:#e0f2fe;color:#0369a1}.ic.a{background:#fef3c7;color:#b45309}.ic.p{background:#ede9fe;color:#6d28d9}
.card h3{margin:0 0 6px;font-size:18px}.card .num{font-size:30px;font-weight:800;color:var(--brand);font-family:Poppins,Inter,sans-serif;line-height:1.1}
.card p{margin:6px 0 16px;color:var(--muted);font-size:15px;flex:1}.card .btn{align-self:flex-start}
.free-tag{display:inline-block;background:#dcfce7;color:#166534;font-weight:700;font-size:12px;padding:2px 9px;border-radius:99px;margin-left:6px;vertical-align:middle}
/* app banner */
.appbox{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center;background:linear-gradient(135deg,#0f172a,#1e293b);color:#fff;border-radius:26px;padding:40px;overflow:hidden;position:relative}
.appbox::after{content:"";position:absolute;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(20,184,166,.45),transparent 70%);right:-80px;top:-80px}
.appbox h2{color:#fff}.appbox .sub{color:#cbd5e1}
.apps{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:22px 0 26px}
.apps div{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:14px 16px}
.apps b{display:block;font-size:26px;font-family:Poppins,Inter,sans-serif;color:#5eead4}.apps span{font-size:14px;color:#cbd5e1}
.phone{justify-self:center;width:230px;position:relative;z-index:1}
.banner{display:block;border-radius:22px;overflow:hidden;box-shadow:0 22px 44px -28px rgba(15,23,42,.45);transition:transform .2s}
.banner:hover{transform:translateY(-3px)}.banner img{display:block;width:100%;height:auto}
.challenge{border:2px dashed #16a34a;border-radius:18px;padding:26px 22px;background:var(--card);text-align:center}
.challenge h2{display:flex;align-items:center;justify-content:center;gap:10px;margin:0 0 6px}
.challenge .stem{font-weight:600;font-size:18px;margin:14px auto 16px;max-width:720px}
.challenge .opts{max-width:720px;margin:0 auto;text-align:left}.challenge .why{max-width:720px;margin:12px auto 0;text-align:left}
.challenge .day{display:inline-block;font-size:13px;color:var(--muted);background:var(--soft);border-radius:99px;padding:3px 10px}
/* quiz */
.q{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px;margin-bottom:12px}.q .stem{font-weight:600;margin-bottom:10px}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:8px}.opt{text-align:left;padding:11px 13px;border:1px solid var(--line);border-radius:11px;background:var(--bg);color:var(--ink);font:inherit;cursor:pointer;transition:border-color .15s}
.opt:hover{border-color:var(--brand)}.opt.right{border-color:var(--ok);background:color-mix(in srgb,var(--ok) 12%,var(--card))}.opt.wrong{border-color:var(--bad);background:color-mix(in srgb,var(--bad) 10%,var(--card))}
.why{display:none;margin-top:10px;font-size:14px;color:var(--muted)}.why.show{display:block}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:s}.step{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px}
.step::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand3));color:#fff;font-weight:700;margin-bottom:12px}
.step h3{margin:0 0 4px;font-size:17px}.step p{margin:0;color:var(--muted);font-size:15px}
details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:15px 18px;margin-bottom:10px}summary{font-weight:600;cursor:pointer}details p{color:var(--muted);margin:8px 0 0}
.cta-end{text-align:center;background:linear-gradient(135deg,var(--hero1),var(--hero2));color:#fff;border-radius:26px;padding:44px 20px;margin-top:56px}
.cta-end h2{color:#fff}.cta-end p{opacity:.9;margin:0 0 22px}
footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:14px;margin-top:56px}
.wa{position:fixed;right:16px;bottom:16px;z-index:30;display:flex;align-items:center;gap:8px;background:#25d366;color:#fff;text-decoration:none;font-weight:700;padding:12px 16px;border-radius:99px;box-shadow:0 10px 24px -8px rgba(0,0,0,.35)}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s,transform .6s}.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.float,.pulse{animation:none}.reveal{opacity:1;transform:none}}
@media (max-width:900px){.hero-bg{background:linear-gradient(180deg,rgba(9,78,86,.93) 0%,rgba(9,78,86,.88) 55%,rgba(9,78,86,.55) 100%),url(img/hero.webp) 72% center/cover no-repeat,var(--hero2)}.hero{grid-template-columns:1fr;padding-top:48px;padding-bottom:64px;min-height:0}.ill{max-width:340px}.links{display:none}.appbox{grid-template-columns:1fr;padding:28px}.steps{grid-template-columns:1fr}.opts{grid-template-columns:1fr}}
@media (max-width:480px){.nav{gap:8px}.logo{font-size:16px}.logo i{width:32px;height:32px}.btn.sm{padding:7px 10px;font-size:13px}.apps b{font-size:22px}.phone{width:190px}}

/* ---- quick start pop-up and form ---- */
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0;pointer-events:none}
dialog#qs{border:0;border-radius:24px;padding:0;width:calc(100% - 32px);max-width:420px;background:var(--card);color:var(--ink);box-shadow:0 40px 80px -30px rgba(2,6,23,.6)}
dialog#qs::backdrop{background:rgba(15,23,42,.62);backdrop-filter:blur(3px)}
.qs-top{background:linear-gradient(135deg,var(--hero1),var(--hero2));color:#fff;padding:26px 24px 20px}
.qs-top h2{color:#fff;font-size:22px;margin:10px 0 4px}.qs-top p{margin:0;opacity:.9;font-size:14px}
.qs-top .mk{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.18)}
.qs-x{position:absolute;right:12px;top:10px;width:34px;height:34px;border-radius:50%;border:0;background:rgba(255,255,255,.2);color:#fff;font-size:22px;line-height:1;cursor:pointer}
.qf{padding:20px 24px 24px}
.qf label{display:block;font-weight:600;font-size:14px;margin:12px 0 5px}
.qf input{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--bg);color:var(--ink);font:inherit}
.qf input:focus{outline:2px solid var(--brand2);border-color:var(--brand2)}
.qf .ph{display:flex;align-items:stretch;border:1px solid var(--line);border-radius:12px;background:var(--bg);overflow:hidden}
.qf .ph span{display:grid;place-items:center;padding:0 12px;background:var(--soft);color:var(--brand);font-weight:700}
.qf .ph input{border:0;border-radius:0;background:transparent}.qf .ph input:focus{outline:none}
.qf .ph:focus-within{outline:2px solid var(--brand2)}
.qf .go{width:100%;margin-top:18px;padding:14px 18px;border:0;border-radius:12px;background:linear-gradient(135deg,var(--brand),#0e7490);color:#fff;font:inherit;font-weight:700;cursor:pointer;box-shadow:0 12px 22px -12px rgba(15,118,110,.8)}
.qf .go:hover{filter:brightness(1.08)}
.qf .fine{margin:12px 0 0;font-size:12.5px;color:var(--muted);text-align:center}
.qerr{margin:14px 24px 0;padding:10px 12px;border-radius:10px;background:#fee4e2;color:#912018;font-size:14px}
.qerr a{color:inherit;font-weight:700}
.startcard{max-width:440px;margin:34px auto;background:var(--card);border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 30px 60px -36px rgba(15,23,42,.5)}
.startcard .qs-top{position:relative}

/* ---- subject-wise cards: group -> subjects -> topics ---- */
.subj-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:16px;align-items:start}
details.sc{position:relative;display:block;border-radius:22px;color:#fff;overflow:hidden;background:linear-gradient(135deg,var(--c1),var(--c2));box-shadow:0 20px 34px -24px var(--c1);transition:transform .2s}
details.sc:hover{transform:translateY(-3px)}details.sc[open]{grid-column:1/-1;transform:none}
details.sc::after{content:"";position:absolute;right:-34px;top:-34px;width:130px;height:130px;border-radius:50%;background:rgba(255,255,255,.14);pointer-events:none}
details.sc>summary{list-style:none;cursor:pointer;display:block;padding:22px;position:relative;z-index:1}
details.sc>summary::-webkit-details-marker{display:none}
.sc .em{display:grid;place-items:center;width:52px;height:52px;border-radius:15px;background:rgba(255,255,255,.2);font-size:28px;margin-bottom:12px}
.sc h3{margin:0;font-size:20px;line-height:1.25}
.sc .cnt{margin:3px 0 14px;font-size:14px;opacity:.92}
.sc .open{display:inline-block;padding:9px 16px;border-radius:11px;background:#fff;color:var(--c1);font-weight:700;font-size:14px}
details.sc[open]>summary .open::after{content:" ▴"}details.sc:not([open])>summary .open::after{content:" ▾"}
.subs{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:10px;padding:0 22px 22px;position:relative;z-index:1;align-items:start}
.sb{background:rgba(255,255,255,.15);border-radius:14px}.sb[open]{grid-column:1/-1;background:rgba(255,255,255,.22)}
.sb>summary{list-style:none;cursor:pointer;padding:12px 14px;display:flex;justify-content:space-between;gap:10px;font-weight:600}
.sb>summary::-webkit-details-marker{display:none}.sb>summary::after{content:"+";opacity:.8}.sb[open]>summary::after{content:"−"}
.sb>summary .n{margin-left:auto;font-weight:500;opacity:.9;font-size:13px;white-space:nowrap}
.tp{display:flex;flex-wrap:wrap;gap:7px;padding:0 14px 16px}
.tb,.tbl{padding:6px 12px;border-radius:99px;background:rgba(255,255,255,.22);color:#fff;font-size:13.5px;text-decoration:none;border:1px solid transparent;cursor:pointer}
.tb i{font-style:normal;opacity:.85;margin-left:3px;font-size:12px}
.tb:hover,.tbl:hover{background:rgba(255,255,255,.38)}.tb.on{background:#fff;color:var(--c1);font-weight:700}
.tbl{background:transparent;border-color:rgba(255,255,255,.5)}
.subj-more{text-align:center;margin-top:22px}
#cbar{position:fixed;left:50%;transform:translateX(-50%);bottom:16px;z-index:40;width:min(600px,calc(100% - 32px));display:flex;align-items:center;gap:12px;
  background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:16px;padding:12px 14px;box-shadow:0 22px 44px -16px rgba(2,6,23,.55)}
#cbar[hidden]{display:none}
#cbar .who{flex:1;min-width:0;font-size:15px;line-height:1.3}#cbar .who span{color:var(--muted);font-size:13.5px}
#cbar .go{flex:none;padding:11px 16px;border-radius:12px;background:var(--c1,#0f766e);color:#fff;font-weight:700;text-decoration:none;white-space:nowrap}
#cbar .x{flex:none;width:32px;height:32px;border-radius:50%;border:0;background:var(--soft);color:var(--ink);font-size:20px;line-height:1;cursor:pointer}
@media (max-width:480px){#cbar{flex-wrap:wrap}#cbar .who{flex-basis:100%}#cbar .go{flex:1;text-align:center}}

/* ---- premium page ---- */
.phero{position:relative;color:#fff;overflow:hidden;background:linear-gradient(135deg,#0f172a,#134e4a 60%,#0e7490)}
.phero::after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;right:-100px;top:-140px;background:radial-gradient(circle,rgba(45,212,191,.45),transparent 70%)}
.phero .in{position:relative;z-index:1;padding:64px 16px 72px;max-width:1140px;margin:0 auto}
.phero h1{font-size:clamp(32px,5vw,52px);line-height:1.1;margin:0 0 14px;letter-spacing:-.02em}
.phero h1 em{font-style:normal;background:linear-gradient(90deg,#fde68a,#fbbf24);-webkit-background-clip:text;background-clip:text;color:transparent}
.phero .lead{max-width:640px}
.pbadge{display:inline-block;background:var(--accent);color:#1f1300;font-weight:800;font-size:12px;letter-spacing:.06em;border-radius:99px;padding:4px 12px;margin-bottom:16px}
.pprice{display:flex;align-items:baseline;gap:8px;margin:18px 0 22px}.pprice b{font-family:Poppins,Inter,sans-serif;font-size:44px}.pprice span{opacity:.85}
.pstats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:-34px 0 8px;position:relative;z-index:2}
.pstat{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 18px;box-shadow:0 18px 34px -26px rgba(15,23,42,.4)}
.pstat b{display:block;font-family:Poppins,Inter,sans-serif;font-size:26px;color:var(--brand)}.pstat span{font-size:13.5px;color:var(--muted)}
.gcard{background:var(--card);border:1px solid var(--line);border-radius:18px;margin-bottom:12px;overflow:hidden}
.gcard>summary{display:flex;align-items:center;gap:12px;padding:16px 18px;cursor:pointer;list-style:none;font-weight:700}
.gcard>summary::-webkit-details-marker{display:none}
.gcard>summary .em{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;font-size:22px;background:linear-gradient(135deg,var(--c1),var(--c2))}
.gcard>summary .nm{flex:1}.gcard>summary .n{font-family:Poppins,Inter,sans-serif;color:var(--brand);white-space:nowrap}
.gcard>summary::after{content:"+";font-size:22px;color:var(--muted);margin-left:4px}.gcard[open]>summary::after{content:"−"}
.gbody{padding:4px 18px 18px;border-top:1px solid var(--line)}
.sec{padding:12px 0;border-bottom:1px dashed var(--line)}.sec:last-child{border:0}
.sec .t{display:flex;justify-content:space-between;gap:10px;font-weight:600}.sec .t span{color:var(--brand);white-space:nowrap}
.tops{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.tops i{font-style:normal;font-size:12.5px;color:var(--muted);background:var(--bg);border:1px solid var(--line);border-radius:99px;padding:2px 9px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tops i b{color:var(--ink);font-weight:600}
.mt{width:100%;border-collapse:collapse;font-size:14.5px;background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.mt th,.mt td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.mt th{background:var(--soft);color:var(--brand);font-size:13px}.mt td small{color:var(--muted)}
.mt tr:last-child td{border-bottom:0}
.mgrp{margin:22px 0 10px;font-size:18px}
.scroll-x{overflow-x:auto}
.cta-note{font-size:13px;color:var(--muted);margin-top:10px}
.sublink{color:var(--brand);font-weight:600;text-decoration:none}

@media (max-width:900px){.pstats{grid-template-columns:repeat(2,1fr)}.phero .in{padding-top:44px}}

/* ---- SEO pages (static, /nursing-subjects/ and /nursing-exams/) ---- */
.seo{padding:22px 16px 8px;max-width:960px}
.seo h1{font-size:clamp(28px,4.6vw,42px);line-height:1.15;margin:6px 0 10px;letter-spacing:-.015em}
.seo h2{font-size:clamp(21px,3vw,27px);margin:0 0 12px}
.seo h3{font-size:17px;line-height:1.45;margin:0 0 10px}
.seo p{margin:0 0 14px}
.seo .lead2{font-size:17.5px;color:var(--muted);margin:0 0 16px}
.seo-sec{padding:26px 0 4px}
.crumbs{font-size:13.5px;color:var(--muted);margin:2px 0 6px}.crumbs a{color:var(--brand);text-decoration:none;font-weight:600}.crumbs span{color:var(--ink)}
.seo-cta{margin:18px 0 6px}
.note{font-size:13.5px;color:var(--muted)}
.tick{list-style:none;padding:0;margin:0 0 12px}.tick li{position:relative;padding:6px 0 6px 26px}.tick li::before{content:"\2713";position:absolute;left:0;color:var(--brand);font-weight:800}
.qa{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 20px;margin-bottom:12px}
.qa h3 span{color:var(--brand);margin-right:4px}
.qopts{margin:0 0 12px;padding-left:24px}.qopts li{padding:3px 0}
.qa details{border:0;background:var(--soft);border-radius:12px;padding:10px 14px;margin:0}
.qa details summary{color:var(--brand)}.qa .ans{margin:10px 0 6px;color:var(--ink)}
.chiprow{display:flex;flex-wrap:wrap;gap:8px}
.chiprow .chip{text-decoration:none}.chiprow a.chip:hover{background:var(--brand);color:#fff}.chiprow a.chip:hover b{color:#fff}
.chip b{color:var(--ink);font-weight:700;margin-left:4px}.chip.plain{background:var(--card);border:1px solid var(--line);color:var(--muted);font-weight:500}
.linkgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.lcard{display:flex;flex-direction:column;gap:2px;padding:14px 16px;background:var(--card);border:1px solid var(--line);border-radius:14px;text-decoration:none;transition:transform .15s,border-color .15s}
.lcard:hover{transform:translateY(-2px);border-color:var(--brand)}.lcard b{color:var(--ink)}.lcard span{font-size:13.5px;color:var(--muted)}
.subj-hub{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.gcardlink{display:flex;flex-direction:column;gap:3px;padding:20px;border-radius:20px;color:#fff;text-decoration:none;background:linear-gradient(135deg,var(--c1),var(--c2));box-shadow:0 18px 30px -22px var(--c1);transition:transform .2s}
.gcardlink:hover{transform:translateY(-3px)}.gcardlink .em{font-size:28px}.gcardlink b{font-size:19px}.gcardlink span:last-child{font-size:14px;opacity:.92}
.exams a.chip{text-decoration:none}.exams a.chip:hover{background:var(--brand);color:#fff}.chip.all{background:var(--brand);color:#fff}