/* ExamFastTrack blog — shared styles */
:root{
  --ink:#152238;
  --ink-soft:#3a4a66;
  --paper:#FBFAF6;
  --paper-2:#F1EDE3;
  --gold:#B67F2E;
  --gold-bright:#D69B36;
  --rule:#E4DECF;
  --track:#E9E3D4;
  --maxw:720px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Source Serif 4",Georgia,serif;
  font-size:19px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.u{font-family:"Space Grotesk",system-ui,sans-serif}
a{color:var(--ink);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--gold)}
img{max-width:100%;height:auto}

/* header / nav */
.site-head{
  border-bottom:1px solid var(--rule);
  background:var(--paper);
  position:sticky;top:0;z-index:20;
}
.nav{
  max-width:1000px;margin:0 auto;padding:18px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{
  font-family:"Space Grotesk",sans-serif;font-weight:700;
  font-size:19px;letter-spacing:-.02em;text-decoration:none;color:var(--ink);
  display:inline-flex;align-items:center;gap:9px;
}
.brand .mark{
  width:22px;height:22px;border-radius:5px;
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));
  display:inline-block;position:relative;flex:none;
}
.brand .mark::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(45deg,transparent 42%,var(--paper) 44%,var(--paper) 50%,transparent 52%),
    linear-gradient(45deg,transparent 58%,var(--paper) 60%,var(--paper) 70%,transparent 72%);
}
.nav-links{display:flex;gap:22px;font-family:"Space Grotesk",sans-serif;font-size:14px;font-weight:500;align-items:center}
.nav-links a{text-decoration:none;color:var(--ink-soft)}
.nav-links a:hover{color:var(--gold)}
/* hamburger toggle — hidden on desktop */
.nav-toggle{display:none;background:none;border:1px solid var(--rule);border-radius:8px;
  padding:8px 10px;cursor:pointer;line-height:0}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);margin:4px 0;border-radius:2px;transition:.2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media(max-width:620px){
  .nav-toggle{display:block}
  .nav-links{position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:0;background:var(--paper);border-bottom:1px solid var(--rule);
    box-shadow:0 8px 20px rgba(0,0,0,.06);padding:6px 0;display:none}
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 24px;font-size:16px;border-top:1px solid var(--rule)}
  .nav-links a:first-child{border-top:none}
  .nav{position:relative}
}

/* generic wrap */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* eyebrow / labels */
.eyebrow{
  font-family:"Space Grotesk",sans-serif;font-weight:600;
  font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--gold);margin:0 0 14px;
}
.eyebrow .dot{color:var(--rule);margin:0 8px}

/* ---------- home ---------- */
.hero{max-width:1000px;margin:0 auto;padding:76px 24px 40px}
.hero h1{
  font-size:clamp(34px,6vw,58px);line-height:1.04;letter-spacing:-.03em;
  font-weight:700;margin:0 0 22px;max-width:15ch;
}
.hero p{font-size:21px;color:var(--ink-soft);margin:0;max-width:52ch}

.grid{
  max-width:1000px;margin:0 auto;padding:24px 24px 90px;
  display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2px;
  background:var(--rule);border:1px solid var(--rule);
}
.card{
  background:var(--paper);padding:30px 28px 34px;text-decoration:none;color:inherit;
  display:flex;flex-direction:column;gap:14px;transition:background .18s ease;
}
.card:hover{background:var(--paper-2)}
.card .meta{font-family:"Space Grotesk",sans-serif;font-size:12px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--gold);font-weight:600}
.card h2{font-size:23px;line-height:1.18;letter-spacing:-.02em;margin:0;font-weight:600}
.card p{margin:0;font-size:16.5px;color:var(--ink-soft);line-height:1.55}
.card .go{margin-top:auto;font-family:"Space Grotesk",sans-serif;font-size:14px;
  font-weight:600;color:var(--ink)}
.card:hover .go{color:var(--gold)}

/* ---------- article ---------- */
.article{padding:56px 0 40px}
.article .eyebrow{margin-bottom:18px}
.article h1{
  font-size:clamp(30px,5vw,46px);line-height:1.08;letter-spacing:-.025em;
  font-weight:700;margin:0 0 20px;
}
.lead{font-size:22px;line-height:1.55;color:var(--ink-soft);margin:0 0 10px}
.byline{
  font-family:"Space Grotesk",sans-serif;font-size:13.5px;color:var(--ink-soft);
  border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);
  padding:14px 0;margin:28px 0 0;display:flex;gap:16px;flex-wrap:wrap;
}
.byline b{color:var(--ink);font-weight:600}

/* article body with progress rail */
.body{position:relative;padding:38px 0 0}
.body h2{
  font-size:27px;line-height:1.2;letter-spacing:-.02em;margin:44px 0 4px;font-weight:700;
  scroll-margin-top:84px;
}
.body h3{font-size:20px;margin:30px 0 2px;font-weight:600;letter-spacing:-.01em}
.body p{margin:16px 0}
.body ul,.body ol{margin:16px 0;padding-left:22px}
.body li{margin:9px 0}
.body strong{color:var(--ink)}
@media(min-width:900px){
  .body{padding-left:34px}
  .body::before{content:"";position:absolute;left:0;top:14px;bottom:40px;
    width:2px;background:var(--track)}
  .body h2::before{content:"";position:absolute;left:-34px;margin-top:12px;
    width:12px;height:12px;border-radius:50%;background:var(--gold);
    box-shadow:0 0 0 4px var(--paper)}
  .body h2{position:relative}
}

/* callout / cta */
.cta{
  background:var(--ink);color:#fff;border-radius:14px;
  padding:30px 30px 32px;margin:40px 0;
}
.cta .eyebrow{color:var(--gold-bright);margin-bottom:10px}
.cta h3{color:#fff;font-size:22px;margin:0 0 8px;font-weight:600}
.cta p{margin:0 0 20px;color:#cfd6e4;font-size:17px}
.btn{
  display:inline-block;background:var(--gold-bright);color:#1a1205;
  font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:15px;
  text-decoration:none;padding:13px 22px;border-radius:9px;transition:background .16s ease;
}
.btn:hover{background:#eab84a;color:#1a1205}

.tip{
  border-left:3px solid var(--gold);background:var(--paper-2);
  padding:16px 20px;margin:26px 0;border-radius:0 8px 8px 0;font-size:17.5px;
}

/* faq */
.faq{margin:40px 0 0;border-top:1px solid var(--rule)}
.faq details{border-bottom:1px solid var(--rule);padding:4px 0}
.faq summary{
  font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:18px;
  padding:18px 0;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--gold);font-size:22px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:0 0 18px;font-size:17.5px;color:var(--ink-soft)}

/* related */
.related{margin:46px 0 0;border-top:1px solid var(--rule);padding-top:26px}
.related .eyebrow{margin-bottom:16px}
.related a{display:block;text-decoration:none;padding:12px 0;border-bottom:1px solid var(--rule);
  font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:17px}
.related a span{color:var(--gold);font-size:13px;letter-spacing:.06em;text-transform:uppercase;
  display:block;margin-bottom:2px;font-weight:600}

/* footer */
.site-foot{border-top:1px solid var(--rule);background:var(--paper-2);margin-top:60px}
.foot-in{max-width:1000px;margin:0 auto;padding:40px 24px;
  display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;
  font-family:"Space Grotesk",sans-serif;font-size:14px;color:var(--ink-soft)}
.foot-in a{color:var(--ink-soft);text-decoration:none}
.foot-in a:hover{color:var(--gold)}

/* motion */
@media(prefers-reduced-motion:no-preference){
  .fade{opacity:0;transform:translateY(12px);animation:rise .6s ease forwards}
  @keyframes rise{to{opacity:1;transform:none}}
}

/* ---------- brand tagline ---------- */
.brand .tag{font-family:"Space Grotesk",sans-serif;font-weight:500;font-size:11px;
  letter-spacing:.12em;text-transform:uppercase;color:var(--gold);
  border-left:1px solid var(--rule);padding-left:9px;margin-left:2px}
@media(max-width:520px){.brand .tag{display:none}}

/* ---------- quiz ---------- */
.quiz{margin:34px 0 0}
.qbar{display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-family:"Space Grotesk",sans-serif;font-size:13px;color:var(--ink-soft);
  letter-spacing:.04em;margin-bottom:14px}
.qbar .track2{flex:1;height:4px;background:var(--track);border-radius:99px;overflow:hidden}
.qbar .fill{height:100%;width:0;background:var(--gold);transition:width .35s ease}
.qcard{border:1px solid var(--rule);border-radius:14px;padding:26px 24px;background:var(--paper)}
.qnum{font-family:"Space Grotesk",sans-serif;font-size:12px;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin:0 0 10px}
.qtext{font-family:"Space Grotesk",sans-serif;font-weight:600;font-size:20px;
  line-height:1.35;margin:0 0 20px;color:var(--ink)}
.opts{display:flex;flex-direction:column;gap:10px}
.opt{display:flex;gap:12px;align-items:flex-start;text-align:left;width:100%;
  font-family:"Source Serif 4",serif;font-size:17px;line-height:1.4;color:var(--ink);
  background:var(--paper);border:1.5px solid var(--rule);border-radius:10px;
  padding:14px 16px;cursor:pointer;transition:border-color .15s,background .15s}
.opt:hover:not([disabled]){border-color:var(--gold);background:var(--paper-2)}
.opt .key{font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:14px;
  color:var(--ink-soft);flex:none;width:20px}
.opt[disabled]{cursor:default}
.opt.correct{border-color:#2e8b57;background:#eaf5ee}
.opt.correct .key{color:#2e8b57}
.opt.wrong{border-color:#c0392b;background:#fbeceb}
.opt.wrong .key{color:#c0392b}
.opt.correct .key::after{content:" ✓"}
.opt.wrong .key::after{content:" ✕"}
.explain{margin:16px 0 0;padding:16px 18px;border-left:3px solid var(--gold);
  background:var(--paper-2);border-radius:0 8px 8px 0;font-size:16.5px;line-height:1.55;
  display:none}
.explain.show{display:block}
.explain b{font-family:"Space Grotesk",sans-serif;font-size:12px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--gold);display:block;margin-bottom:5px;font-weight:600}
.qnav{display:flex;justify-content:flex-end;margin-top:18px}
.next{font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:15px;
  background:var(--ink);color:#fff;border:none;border-radius:9px;padding:12px 22px;
  cursor:pointer;transition:background .15s;display:none}
.next:hover{background:var(--ink-soft)}
.next.show{display:inline-block}
.result{border:1px solid var(--rule);border-radius:14px;padding:32px 26px;text-align:center;display:none}
.result.show{display:block}
.result .score{font-family:"Space Grotesk",sans-serif;font-weight:700;font-size:44px;
  letter-spacing:-.02em;color:var(--ink);margin:0}
.result .score span{color:var(--gold)}
.result p{color:var(--ink-soft);margin:6px 0 22px}

/* ---------- author / trust block ---------- */
.author{max-width:var(--maxw);margin:56px auto 0;padding:0 24px}
.author-in{border:1px solid var(--rule);border-radius:14px;background:var(--paper-2);
  padding:24px 26px;display:flex;gap:20px;align-items:flex-start}
.author .ava{width:64px;height:64px;border-radius:14px;flex:none;object-fit:cover;
  border:1px solid var(--rule)}
.author h4{font-family:"Space Grotesk",sans-serif;font-size:16px;margin:0 0 4px;font-weight:700}
.author h4 span{color:var(--gold);font-weight:600;font-size:12px;letter-spacing:.08em;
  text-transform:uppercase;margin-left:8px}
.author p{margin:0;font-size:15.5px;line-height:1.55;color:var(--ink-soft)}
.author .creds{margin-top:10px;display:flex;flex-wrap:wrap;gap:7px}
.author .creds span{font-family:"Space Grotesk",sans-serif;font-size:11.5px;font-weight:600;
  letter-spacing:.03em;color:var(--ink);background:var(--paper);border:1px solid var(--rule);
  border-radius:99px;padding:4px 11px}
@media(max-width:520px){.author-in{flex-direction:column;gap:14px}}

.author .stats{font-family:"Space Grotesk",sans-serif;font-size:12.5px;font-weight:600;
  color:var(--ink-soft);margin:2px 0 0;letter-spacing:.02em}
.author .stats b{color:var(--ink)}