/* Shared styles for the course-guide pages and the FAQ page.
   Same design tokens as index.html / syllabus.html. */
:root{
  --bg:#ffffff;--bg2:#f6f9fc;--text:#0f1b2d;--muted:#425466;--line:#e3e8ee;
  --navy:#0b2a5b;--blue:#1d4ed8;--green:#15803d;--green-bg:#e8f6ee;--gold-bg:#fff6e3;
  --ease:cubic-bezier(.23,1,.32,1);--r:16px
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:Inter,"Noto Sans Devanagari",system-ui,sans-serif;font-size:17px;line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-decoration:none}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
.narrow{max-width:820px}
.mr{font-family:"Noto Sans Devanagari",Inter,sans-serif}
h1,h2,h3{line-height:1.2;letter-spacing:-.03em;color:var(--navy)}
h2{font-weight:700}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid #1d4ed8;outline-offset:3px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 24px;border-radius:999px;font-weight:600;font-size:16px;border:0;transition:transform 160ms ease-out,background-color .2s ease}
.btn:active{transform:scale(.97)}
.btn-primary{background:linear-gradient(180deg,#1b9a4f 0%,#15803d 100%);color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.25) inset,0 8px 20px -8px rgba(21,128,61,.6)}
.btn-wa{background:#25d366;color:#fff}
.btn-outline{background:#fff;color:var(--navy);border:1px solid #cfd7e3;box-shadow:0 1px 2px rgba(10,37,64,.06)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6)}

.strip{background:var(--navy);color:#dbe5f5;font-size:14px}
.strip .wrap{display:flex;justify-content:space-between;gap:12px;padding-block:8px;flex-wrap:wrap}
.strip b{color:#fff}
nav{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.72);-webkit-backdrop-filter:saturate(180%) blur(18px);backdrop-filter:saturate(180%) blur(18px);border-bottom:1px solid rgba(227,232,238,.8)}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px;gap:20px}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--navy);line-height:1.15}
.logo i{width:42px;height:42px;border-radius:10px;background:var(--navy);display:grid;place-items:center;color:#fff;font-style:normal;font-size:20px}
.logo small{display:block;font-weight:500;font-size:12px;color:var(--muted)}
.nav .links{display:flex;gap:4px;font-weight:500;font-size:15px}
.nav a.l{padding:8px 13px;border-radius:999px;color:#3c4257;transition:background-color .2s ease}
.nav a.on{color:var(--navy);font-weight:700}
.nav-cta{display:flex;align-items:center;gap:8px}.nav-cta .btn{gap:0;padding:11px 20px}
.btn-call{display:none;background:#fff;color:var(--navy);border:1.5px solid var(--line)}
@media(hover:hover) and (pointer:fine){.nav a.l:hover{background:#eef3f9;color:var(--navy)}.btn-primary:hover{background:#116b33}.rel a:hover,.toc a:hover{border-color:var(--blue)}}

.crumbs{font-size:14px;color:var(--muted);padding:16px 0 0}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li+li:before{content:"›";margin-right:6px;color:#94a3b8}
.crumbs a{color:var(--blue)}
.crumbs [aria-current]{color:var(--navy);font-weight:600}

.page-head{background:linear-gradient(180deg,#eef3fc 0%,#fff 100%);padding:28px 0 34px}
.tag{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--blue);margin-bottom:10px}
.page-head h1{font-size:clamp(30px,4.4vw,46px);font-weight:800}
.page-head .mrline{font-size:19px;font-weight:600;margin:8px 0 12px;color:var(--navy)}
.page-head .intro{color:var(--muted);max-width:760px;font-size:18px}
.facts{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 22px}
.facts span{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:14px;font-weight:600;color:var(--navy)}
.page-head .cta{display:flex;gap:12px;flex-wrap:wrap}

.toc{display:flex;flex-wrap:wrap;gap:8px;margin:26px 0 6px}
.toc a{background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:14px;font-weight:600;color:var(--navy);transition:border-color .2s ease}

main section{padding:38px 0 6px;scroll-margin-top:84px}
main h2{font-size:clamp(24px,3vw,31px);margin-bottom:12px}
main h3{font-size:19px;margin:22px 0 6px}
main p{margin-bottom:12px;color:#2d3748}
main p.lead{color:var(--muted);font-size:18px}
main ul.dots{margin:6px 0 14px 20px;color:#2d3748}
main ul.dots li{margin:5px 0}
main ul.ticks{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:8px 22px;margin:12px 0 16px}
main ul.ticks li{position:relative;padding-left:28px;font-size:16px;line-height:1.5}
main ul.ticks li:before{content:"✓";position:absolute;left:0;top:1px;width:20px;height:20px;border-radius:50%;background:var(--green);color:#fff;font-size:12px;display:grid;place-items:center}
@media(max-width:700px){main ul.ticks{grid-template-columns:1fr}}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:14px 0}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:14px 0}
@media(max-width:860px){.grid2,.grid3{grid-template-columns:1fr}}
.box{border:1px solid var(--line);border-radius:var(--r);padding:20px 22px;background:#fff}
.box h3{margin-top:0}
.box p:last-child{margin-bottom:0}
.term{font-weight:700;color:var(--navy)}

.tbl{width:100%;border-collapse:collapse;margin:12px 0 18px;font-size:15.5px}
.tbl th,.tbl td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.tbl th{background:var(--bg2);color:var(--navy);font-weight:700}
.tbl-wrap{overflow-x:auto}

.verified{background:var(--green-bg);border:1px solid #bfe5cd;border-radius:20px;padding:24px 24px 14px}
.verified h2{margin-bottom:6px}
.verified .src{font-size:14px;color:var(--muted)}

.risk{background:#fff7e6;border:1px solid #f3d9a8;border-left:5px solid #d97706;border-radius:12px;padding:18px 20px;margin:16px 0}
.risk h2,.risk h3{color:#7a4300;margin-top:0}
.risk p,.risk li{color:#5c3a0a}
.risk ul{margin:6px 0 6px 20px}
.asof{font-size:13.5px;color:var(--muted);font-style:italic}

.mentor{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:700px){.mentor{grid-template-columns:1fr}}

.faq details{border:1px solid var(--line);border-radius:12px;background:#fff;margin:10px 0;overflow:hidden}
.faq summary{cursor:pointer;list-style:none;padding:15px 48px 15px 18px;font-weight:600;color:var(--navy);position:relative;line-height:1.45}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:18px;top:12px;font-size:22px;color:var(--blue);transition:transform .2s var(--ease)}
.faq details[open] summary:after{transform:rotate(45deg)}
.faq .ans{padding:0 18px 14px;color:#2d3748}
.faq .ans p{margin-bottom:8px}

.links-out{list-style:none;display:grid;gap:8px;margin:10px 0}
.links-out a{color:var(--blue);font-weight:600}
.links-out span{display:block;font-size:14.5px;color:var(--muted)}

.rel{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:14px 0}
.rel a{display:block;border:1px solid var(--line);border-radius:14px;padding:16px;background:#fff;transition:border-color .2s ease}
.rel b{display:block;color:var(--navy);font-size:16px}
.rel span{font-size:14px;color:var(--muted)}
@media(max-width:860px){.rel{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.rel{grid-template-columns:1fr}}

.cta-box{background:var(--navy);color:#fff;border-radius:24px;padding:34px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;margin-top:44px}
.cta-box h2{color:#fff;margin:0 0 4px}
.cta-box p{color:#c7d4ea;margin:0}
.cta-box .cta{display:flex;gap:12px;flex-wrap:wrap}
.disclaimer{font-size:13.5px;color:var(--muted);margin-top:18px}

footer{padding:30px 0;color:var(--muted);font-size:14px;text-align:center;border-top:1px solid var(--line);margin-top:40px}
footer .flinks{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 16px;margin-bottom:12px}
footer .flinks a{color:var(--navy);font-weight:600}
footer .disc{font-size:12.5px;line-height:1.7;opacity:.85;max-width:900px;margin:10px auto 0}
footer .disc .mr{display:block;margin-top:6px}
.float-wa{position:fixed;right:20px;bottom:20px;z-index:50;width:58px;height:58px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 10px 26px -6px rgba(0,0,0,.35);transition:transform 160ms ease-out}
.float-wa:active{transform:scale(.95)}
.float-wa svg{width:28px;fill:#fff}

/* FAQ page search */
.faq-search{display:flex;gap:10px;align-items:center;margin:22px 0 4px;max-width:620px}
.faq-search input{flex:1;font:inherit;font-size:16px;padding:12px 16px;border:1px solid #cfd7e3;border-radius:999px;background:#fff;color:var(--text)}
.faq-count{font-size:14px;color:var(--muted);min-height:22px;margin-top:6px}
.faq-cat{padding-top:26px}
.faq-cat h2{font-size:22px}
.faq-cat[hidden],.faq details[hidden]{display:none}

@media(max-width:860px){.nav .links{display:none}.cta-box{padding:26px 20px}}
@media(max-width:760px){
  .btn-call{display:inline-flex}
  .nav-cta .btn{padding:9px 12px;font-size:14px;white-space:nowrap;border-radius:10px}
  .nav-cta .full{display:none}
  .logo{font-size:15px;gap:9px}.logo small{display:none}.logo i{width:36px;height:36px;font-size:17px}
}
@media(max-width:560px){.strip .wrap span:last-child{display:none}}