/* ==========================================================================
   Syllabus Hub — standalone stylesheet for this page
   Self-contained by design: no external/relative asset dependencies.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@500;600;700;800&family=Inter:wght@400;500;600;700&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root{
  --navy-950:#0c1424; --navy-900:#101c33; --navy-800:#16233f; --navy-700:#1b2a4a; --navy-600:#28395e;
  --gold-700:#9c7423; --gold-600:#c89b3c; --gold-500:#dcb256; --gold-100:#faf1dd;
  --green-700:#1e5f45; --green-600:#2e7d5b; --green-100:#e2f3ea;
  --paper-0:#ffffff; --paper-50:#f7f8fa; --paper-100:#eef1f5; --paper-200:#e2e6ed;
  --ink-900:#1b1f2a; --ink-700:#2b2f38; --ink-500:#5b6270; --ink-400:#828a99;
  --danger:#b3432b;
  --bg-page:var(--paper-50); --bg-surface:var(--paper-0); --bg-surface-alt:var(--paper-100); --bg-sunken:var(--paper-200);
  --text-primary:var(--ink-900); --text-secondary:var(--ink-500); --text-muted:var(--ink-400);
  --border-hairline:#dde1e8; --border-dashed:#c7cddb;
  --accent-navy:var(--navy-700); --accent-gold:var(--gold-600); --accent-green:var(--green-600);
  --shadow-card:0 1px 2px rgba(16,28,51,.04), 0 8px 24px -12px rgba(16,28,51,.14);
  --shadow-card-hover:0 4px 10px rgba(16,28,51,.06), 0 20px 40px -16px rgba(16,28,51,.22);
  --shadow-pop:0 14px 36px -10px rgba(16,28,51,.3);
  --radius-sm:8px; --radius-md:14px; --radius-lg:20px; --radius-pill:999px;
  --font-head:'Poppins',ui-sans-serif,system-ui,sans-serif;
  --font-body:'Inter',ui-sans-serif,system-ui,sans-serif;
  --font-nav:'Plus Jakarta Sans',ui-sans-serif,system-ui,sans-serif;
  --container:1240px;
  color-scheme:light;
}
[data-theme="dark"]{
  --bg-page:var(--navy-950); --bg-surface:var(--navy-900); --bg-surface-alt:var(--navy-800); --bg-sunken:#0a1120;
  --text-primary:#eef1f7; --text-secondary:#aab4c8; --text-muted:#7c88a1;
  --border-hairline:#26314c; --border-dashed:#31405f;
  --accent-navy:#5b7bc4; --accent-gold:var(--gold-500); --accent-green:#49a880;
  --shadow-card:0 1px 2px rgba(0,0,0,.3), 0 8px 24px -12px rgba(0,0,0,.5);
  --shadow-card-hover:0 4px 10px rgba(0,0,0,.35), 0 20px 44px -16px rgba(0,0,0,.6);
  --shadow-pop:0 18px 44px -10px rgba(0,0,0,.65);
  color-scheme:dark;
}
@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{margin:0;background:var(--bg-page);color:var(--text-primary);font-family:var(--font-body);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;transition:background .35s ease,color .35s ease;}
h1,h2,h3,h4{font-family:var(--font-head);color:var(--text-primary);margin:0 0 .5em;line-height:1.22;letter-spacing:-.01em;}
p{margin:0 0 1em;color:var(--text-secondary);}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:var(--font-nav);}
:focus-visible{outline:3px solid var(--accent-gold);outline-offset:2px;border-radius:4px;}
.container{max-width:var(--container);margin-inline:auto;padding-inline:24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.skip-link{position:fixed;top:-60px;left:12px;background:var(--navy-700);color:#fff;padding:10px 18px;border-radius:var(--radius-sm);z-index:999;transition:top .2s ease;}
.skip-link:focus{top:12px;}

/* ---------- Header ---------- */
.sh-header{position:sticky;top:0;z-index:60;background:color-mix(in srgb, var(--bg-surface) 88%, transparent);backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid var(--border-hairline);}
.sh-header__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px;}
.sh-brand{display:flex;align-items:center;gap:10px;font-family:var(--font-nav);font-weight:800;font-size:1.05rem;color:var(--text-primary);}
.sh-brand__mark{width:38px;height:38px;border-radius:10px;background:linear-gradient(155deg,var(--navy-700),var(--navy-900));display:grid;place-items:center;color:var(--gold-500);font-weight:800;font-family:var(--font-head);box-shadow:inset 0 0 0 1px rgba(220,178,86,.35);flex-shrink:0;}
.sh-nav{display:flex;align-items:center;gap:22px;font-family:var(--font-nav);font-weight:600;font-size:.92rem;}
.sh-nav a{color:var(--text-secondary);padding:8px 2px;border-bottom:2px solid transparent;transition:color .2s,border-color .2s;}
.sh-nav a:hover,.sh-nav a[aria-current="page"]{color:var(--text-primary);border-color:var(--accent-gold);}
.sh-header__actions{display:flex;align-items:center;gap:10px;}
.theme-toggle{width:40px;height:40px;border-radius:var(--radius-pill);border:1px solid var(--border-hairline);background:var(--bg-surface-alt);color:var(--text-primary);cursor:pointer;display:grid;place-items:center;transition:transform .2s ease,background .2s ease;}
.theme-toggle:hover{transform:translateY(-1px);}
.theme-toggle svg{width:18px;height:18px;}
.theme-toggle .icon-moon{display:none;}
[data-theme="dark"] .theme-toggle .icon-sun{display:none;}
[data-theme="dark"] .theme-toggle .icon-moon{display:block;}
.menu-toggle{display:none;width:40px;height:40px;border-radius:var(--radius-sm);border:1px solid var(--border-hairline);background:var(--bg-surface-alt);cursor:pointer;color:var(--text-primary);}

/* ---------- Breadcrumb ---------- */
.sh-breadcrumb{padding-block:14px 4px;}
.sh-breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0;font-family:var(--font-nav);font-size:.83rem;color:var(--text-muted);}
.sh-breadcrumb li{display:flex;align-items:center;gap:6px;}
.sh-breadcrumb li:not(:last-child)::after{content:"›";color:var(--border-dashed);}
.sh-breadcrumb a{color:var(--text-secondary);transition:color .15s;}
.sh-breadcrumb a:hover{color:var(--accent-gold);}
.sh-breadcrumb li[aria-current="page"]{color:var(--text-primary);font-weight:600;}

/* ---------- Exam hero (premium: seal ribbon + textured backdrop) ---------- */
.exam-hero{position:relative;overflow:hidden;background:radial-gradient(900px 420px at 88% -25%, rgba(220,178,86,.16), transparent 60%),linear-gradient(175deg,var(--navy-900),var(--navy-950));color:#fff;padding-block:44px 38px;}
.exam-hero::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(circle, rgba(255,255,255,.06) 1px, transparent 1px);background-size:26px 26px;mask-image:linear-gradient(180deg, rgba(0,0,0,.5), transparent 70%);}
.exam-hero__top{position:relative;z-index:1;display:flex;gap:18px;align-items:flex-start;flex-wrap:wrap;justify-content:space-between;}
.exam-hero__id{display:flex;gap:16px;align-items:center;}
.exam-hero__icon{width:68px;height:68px;border-radius:18px;flex-shrink:0;display:grid;place-items:center;font-size:2.1rem;background:rgba(220,178,86,.14);border:1px solid rgba(220,178,86,.35);box-shadow:0 8px 24px -8px rgba(220,178,86,.35);}
.exam-hero h1{color:#fff;font-size:clamp(1.6rem,3.5vw,2.4rem);margin-bottom:4px;}
.exam-hero__full{color:#aab4c8;font-family:var(--font-nav);font-size:.94rem;margin:0;}
.exam-hero__cta{display:flex;gap:10px;flex-shrink:0;position:relative;z-index:1;}
.badge-row{position:relative;z-index:1;display:flex;gap:9px;flex-wrap:wrap;margin-top:18px;}
.badge{font-family:var(--font-nav);font-size:.74rem;font-weight:700;padding:6px 13px;border-radius:var(--radius-pill);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#e6ebf5;}
.badge.badge-latest{background:rgba(220,178,86,.18);border-color:rgba(220,178,86,.4);color:var(--gold-500);}
.badge.badge-updated{background:rgba(73,168,128,.18);border-color:rgba(73,168,128,.4);color:#7fd1ac;}

/* ---------- Quick facts strip ---------- */
.quickfacts{margin-top:-30px;position:relative;z-index:2;}
.quickfacts__grid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--border-hairline);border:1px solid var(--border-hairline);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-pop);}
.quickfacts__cell{background:var(--bg-surface);padding:16px 16px;}
.quickfacts__cell .qf-label{font-family:var(--font-nav);font-size:.68rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);display:block;margin-bottom:4px;}
.quickfacts__cell .qf-val{font-family:var(--font-nav);font-weight:700;font-size:.86rem;color:var(--text-primary);line-height:1.35;}

/* ---------- Layout ---------- */
.page-wrap{display:grid;grid-template-columns:2.15fr 1fr;gap:44px;padding-block:48px;align-items:start;}
.toc{position:sticky;top:88px;border:1px solid var(--border-hairline);border-radius:var(--radius-md);padding:20px;background:var(--bg-surface);box-shadow:var(--shadow-card);}
.toc h2{font-size:.86rem;text-transform:uppercase;letter-spacing:.05em;margin-bottom:12px;font-family:var(--font-nav);}
.toc ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px;font-size:.86rem;}
.toc a{color:var(--text-secondary);font-family:var(--font-nav);font-weight:500;}
.toc a:hover{color:var(--accent-gold);}
.toc .toc-actions{margin-top:18px;display:flex;flex-direction:column;gap:10px;padding-top:16px;border-top:1px dashed var(--border-dashed);}
.toc .toc-actions .btn{width:100%;}
.toc .official-link{font-family:var(--font-nav);font-size:.78rem;color:var(--text-muted);text-align:center;margin-top:4px;}
.toc .official-link a{color:var(--accent-navy);font-weight:700;}
[data-theme="dark"] .toc .official-link a{color:var(--gold-500);}

/* ---------- Content typography ---------- */
.content h2{margin-top:42px;font-size:1.42rem;scroll-margin-top:90px;padding-top:4px;position:relative;padding-left:16px;}
.content h2::before{content:"";position:absolute;left:0;top:.15em;bottom:.15em;width:4px;border-radius:4px;background:linear-gradient(180deg,var(--accent-gold),var(--accent-navy));}
.content h2:first-of-type{margin-top:0;}
.content h3{font-size:1.05rem;margin-top:22px;margin-bottom:8px;color:var(--text-primary);}
.content > p.lead{font-size:1.01rem;color:var(--text-secondary);}
.subject-intro{font-size:.88rem;color:var(--text-muted);font-style:italic;margin:0 0 10px;}

/* ---------- Callout ---------- */
.callout{border:1px solid var(--border-dashed);border-left:4px solid var(--accent-gold);border-radius:var(--radius-sm);padding:16px 18px;background:var(--bg-surface-alt);margin-block:18px;}
.callout h4{font-family:var(--font-nav);font-size:.82rem;text-transform:uppercase;letter-spacing:.04em;color:var(--accent-gold);margin:0 0 10px;}
.callout ul{margin:0;padding-left:18px;display:flex;flex-direction:column;gap:6px;font-size:.9rem;color:var(--text-secondary);}
.callout.callout-green{border-left-color:var(--accent-green);}
.callout.callout-green h4{color:var(--accent-green);}

/* ---------- Pattern tables ---------- */
.pattern-stage{border:1px solid var(--border-hairline);border-radius:var(--radius-md);margin-block:18px;overflow:hidden;background:var(--bg-surface);transition:box-shadow .2s;}
.pattern-stage:hover{box-shadow:var(--shadow-card);}
.pattern-stage__head{padding:14px 18px;background:var(--bg-surface-alt);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;}
.pattern-stage__head h3{margin:0;font-size:1rem;}
.pattern-stage__meta{display:flex;gap:14px;flex-wrap:wrap;font-family:var(--font-nav);font-size:.76rem;color:var(--text-muted);}
.pattern-stage__meta b{color:var(--text-primary);}
.content table{width:100%;border-collapse:collapse;font-size:.88rem;}
.content th,.content td{border-top:1px solid var(--border-hairline);padding:10px 18px;text-align:left;}
.content thead th{background:transparent;font-family:var(--font-nav);font-size:.72rem;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);border-top:0;}
.pattern-stage__note{padding:12px 18px;font-size:.82rem;color:var(--text-muted);border-top:1px dashed var(--border-dashed);background:var(--bg-surface);}

/* ---------- Subject topic grid ---------- */
.subject-block{margin-block:24px;padding:18px 20px;border:1px solid var(--border-hairline);border-radius:var(--radius-md);background:var(--bg-surface);transition:border-color .2s,box-shadow .2s;}
.subject-block:hover{border-color:var(--border-dashed);box-shadow:var(--shadow-card);}
.subject-block__head{display:flex;align-items:center;gap:10px;margin-bottom:6px;}
.subject-block__head .num{width:28px;height:28px;border-radius:50%;background:var(--navy-700);color:#fff;font-family:var(--font-nav);font-weight:700;font-size:.78rem;display:grid;place-items:center;flex-shrink:0;}
[data-theme="dark"] .subject-block__head .num{background:var(--accent-gold);color:var(--navy-950);}
.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px 16px;list-style:none;margin:10px 0 0;padding:0;}
.topic-grid li{font-size:.87rem;color:var(--text-secondary);padding-left:18px;position:relative;line-height:1.45;}
.topic-grid li::before{content:"";position:absolute;left:0;top:.55em;width:6px;height:6px;border-radius:50%;background:var(--accent-gold);}

/* ---------- Stepper ---------- */
.stepper{list-style:none;margin:0;padding:0;counter-reset:step;}
.stepper li{position:relative;padding:0 0 24px 40px;counter-increment:step;font-size:.92rem;color:var(--text-secondary);}
.stepper li::before{content:counter(step);position:absolute;left:0;top:0;width:28px;height:28px;border-radius:50%;background:var(--navy-700);color:#fff;font-family:var(--font-nav);font-weight:700;font-size:.8rem;display:grid;place-items:center;}
[data-theme="dark"] .stepper li::before{background:var(--accent-gold);color:var(--navy-950);}
.stepper li::after{content:"";position:absolute;left:13px;top:28px;bottom:0;width:2px;background:var(--border-dashed);}
.stepper li:last-child::after{display:none;}
.stepper li b{color:var(--text-primary);}

/* ---------- Tips checklist ---------- */
.tips-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.tips-list li{display:flex;gap:10px;font-size:.9rem;color:var(--text-secondary);align-items:flex-start;}
.tips-list li svg{flex-shrink:0;margin-top:2px;color:var(--accent-green);}

/* ---------- Books list ---------- */
.books-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.books-list li{display:flex;gap:12px;align-items:flex-start;font-size:.9rem;color:var(--text-secondary);padding:12px 14px;border:1px solid var(--border-hairline);border-radius:var(--radius-sm);background:var(--bg-surface);}
.books-list li .book-ico{flex-shrink:0;color:var(--accent-gold);}

/* ---------- Salary card ---------- */
.info-card{border:1px solid var(--border-hairline);border-radius:var(--radius-md);padding:18px 20px;background:var(--bg-surface);}

/* ---------- Related exams ---------- */
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin-top:16px;}
.related-card{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--border-hairline);border-radius:var(--radius-md);background:var(--bg-surface);transition:border-color .2s,transform .2s,box-shadow .2s;}
.related-card:hover{border-color:var(--accent-gold);transform:translateY(-2px);box-shadow:var(--shadow-card);}
.related-card__icon{width:38px;height:38px;border-radius:10px;background:var(--bg-surface-alt);display:grid;place-items:center;font-size:1.1rem;flex-shrink:0;}
.related-card span{font-family:var(--font-nav);font-weight:600;font-size:.88rem;color:var(--text-primary);}

/* ---------- FAQ ---------- */
.faq-item{border-bottom:1px solid var(--border-hairline);}
.faq-q{width:100%;text-align:left;background:none;border:0;padding:20px 4px;display:flex;justify-content:space-between;align-items:center;gap:16px;cursor:pointer;color:var(--text-primary);font-family:var(--font-head);font-weight:600;font-size:1rem;}
.faq-q svg{flex-shrink:0;transition:transform .25s ease;color:var(--accent-gold);}
.faq-item[data-open="true"] .faq-q svg{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item[data-open="true"] .faq-a{max-height:320px;}
.faq-a p{padding:0 4px 20px;}

/* ---------- Buttons ---------- */
.btn{font-family:var(--font-nav);font-weight:700;font-size:.85rem;border-radius:var(--radius-sm);padding:11px 16px;display:inline-flex;align-items:center;justify-content:center;gap:7px;cursor:pointer;border:1px solid transparent;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;white-space:nowrap;}
.btn:active{transform:scale(.97);}
.btn-primary{background:var(--gold-600);color:var(--navy-950);box-shadow:0 6px 18px -6px rgba(200,155,60,.55);}
.btn-primary:hover{background:var(--gold-500);box-shadow:0 8px 22px -6px rgba(200,155,60,.65);}
.btn-ghost{background:transparent;border-color:var(--border-hairline);color:var(--text-secondary);}
.btn-ghost:hover{border-color:var(--accent-gold);color:var(--text-primary);}
.toc .btn-primary{background:var(--navy-700);color:#fff;box-shadow:none;}
[data-theme="dark"] .toc .btn-primary{background:var(--accent-gold);color:var(--navy-950);}
.toc .btn-primary:hover{background:var(--navy-800);}
[data-theme="dark"] .toc .btn-primary:hover{background:var(--gold-500);}

/* ---------- Back to hub / disclaimer ---------- */
.back-hub{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-nav);font-weight:700;font-size:.86rem;color:var(--accent-gold);margin-top:34px;}
.back-hub:hover{text-decoration:underline;}
.page-disclaimer{font-size:.78rem;color:var(--text-muted);border-top:1px solid var(--border-hairline);padding-top:14px;margin-top:34px;}

/* ---------- Footer ---------- */
.sh-footer{background:var(--navy-950);color:#c3ccdd;margin-top:60px;padding-block:24px;}
.sh-footer a{color:#c3ccdd;}
.sh-footer a:hover{color:var(--gold-500);}
.sh-footer__bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.82rem;}

/* ---------- Back to top ---------- */
.to-top{position:fixed;bottom:24px;right:24px;width:46px;height:46px;border-radius:50%;background:var(--navy-700);color:#fff;border:0;display:grid;place-items:center;cursor:pointer;box-shadow:var(--shadow-pop);z-index:50;opacity:0;pointer-events:none;transform:translateY(8px);transition:opacity .25s,transform .25s;}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0);}
[data-theme="dark"] .to-top{background:var(--accent-gold);color:var(--navy-950);}

/* ---------- Print styles (so "Print to PDF" from the browser also works as a fallback) ---------- */
@media print{
  .sh-header,.toc,.to-top,.exam-hero__cta,.skip-link{display:none !important;}
  .page-wrap{grid-template-columns:1fr;padding-block:0;}
  body{background:#fff;}
}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .page-wrap{grid-template-columns:1fr;}
  .toc{position:static;}
  .quickfacts__grid{grid-template-columns:repeat(2,1fr);}
  .topic-grid{grid-template-columns:1fr;}
  .sh-nav{display:none;}
  .menu-toggle{display:grid;place-items:center;}
}
@media (max-width:640px){
  .exam-hero__cta{width:100%;}
  .exam-hero__cta .btn{flex:1;}
}