:root{
  --ink:#16121f; --ink-2:#4b4458; --muted:#7a7288; --line:#ece8f2;
  --bg:#fbfaff; --card:#ffffff; --brand:#6d28d9; --brand-2:#f43f5e; --accent:#fbbf24;
  --radius:16px; --shadow:0 6px 24px rgba(40,20,80,.08);
  --font-head:"Poppins",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:17px;line-height:1.65}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1140px;margin:0 auto;padding:0 16px}
.narrow{max-width:760px;margin:0 auto;padding:0 16px}

/* header */
.top{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:20px;height:64px}
.logo{font-family:var(--font-head);font-weight:800;font-size:21px;color:var(--ink);white-space:nowrap;letter-spacing:-.3px}
.logo:hover{text-decoration:none}
.logo b{background:linear-gradient(90deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.nav::-webkit-scrollbar{display:none}
.nav a{font-family:var(--font-head);font-weight:600;font-size:14px;color:var(--ink-2);padding:7px 12px;border-radius:999px;white-space:nowrap}
.nav a:hover,.nav a.on{background:#f1ebff;color:var(--brand);text-decoration:none}
@media (max-width:760px){
  .top .wrap{flex-direction:column;align-items:stretch;height:auto;gap:4px;padding-top:10px;padding-bottom:8px}
  .logo{font-size:19px}
}
.progress{position:absolute;left:0;bottom:-1px;height:3px;width:0;background:linear-gradient(90deg,var(--brand),var(--brand-2))}

/* hero */
.hero{padding:34px 0 10px}
.hero h1{font-family:var(--font-head);font-size:clamp(28px,5vw,44px);line-height:1.12;margin:0 0 8px;letter-spacing:-.8px}
.hero p{margin:0;color:var(--ink-2);font-size:18px}
.section-title{font-family:var(--font-head);font-size:22px;margin:34px 0 14px;display:flex;align-items:center;gap:10px}
.section-title::after{content:"";flex:1;height:2px;background:var(--line);border-radius:2px}

/* cards */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media (max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.grid{grid-template-columns:1fr}}
.card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .15s ease,box-shadow .15s ease;display:flex;flex-direction:column;color:var(--ink)}
.card:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(40,20,80,.14);text-decoration:none}
.card img{aspect-ratio:1200/630;object-fit:cover;width:100%}
.card .body{padding:14px 16px 18px}
.card h3{font-family:var(--font-head);font-size:18px;line-height:1.3;margin:6px 0 0}
.chip{display:inline-block;font-family:var(--font-head);font-weight:700;font-size:11.5px;text-transform:uppercase;letter-spacing:.6px;color:var(--brand);background:#f1ebff;padding:3px 9px;border-radius:999px}
.chip.q{color:#b45309;background:#fef3c7}
.feature{display:grid;grid-template-columns:1.35fr 1fr;gap:0;background:var(--card);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);color:var(--ink)}
.feature:hover{text-decoration:none;box-shadow:0 14px 36px rgba(40,20,80,.16)}
.feature img{height:100%;object-fit:cover}
.feature .body{padding:26px 28px;display:flex;flex-direction:column;justify-content:center}
.feature h2{font-family:var(--font-head);font-size:clamp(22px,3vw,30px);line-height:1.2;margin:10px 0}
.feature p{color:var(--ink-2);margin:0}
.readmore{margin-top:14px;font-family:var(--font-head);font-weight:700;color:var(--brand-2)}
@media (max-width:760px){.feature{grid-template-columns:1fr}.feature .body{padding:18px}}

.quizband{background:linear-gradient(135deg,#1e1037,#4c1d95);border-radius:20px;padding:26px;color:#fff;margin-top:34px}
.quizband h2{font-family:var(--font-head);margin:0 0 4px;font-size:24px}
.quizband p{margin:0 0 16px;opacity:.85}
.quizband .grid .card{box-shadow:none}

/* article */
.crumbs{font-size:14px;color:var(--muted);margin:26px 0 10px}
.crumbs a{color:var(--muted)}
.post h1{font-family:var(--font-head);font-size:clamp(27px,4.6vw,40px);line-height:1.15;letter-spacing:-.6px;margin:8px 0 12px}
.meta{color:var(--muted);font-size:14.5px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.lead-img{border-radius:var(--radius);margin:20px 0;box-shadow:var(--shadow);width:100%}
.intro{font-size:19px;color:var(--ink-2)}
.item{margin:34px 0}
.item h2{font-family:var(--font-head);font-size:23px;line-height:1.3;margin:0 0 8px;display:flex;gap:12px;align-items:flex-start}
.num{flex:0 0 auto;display:inline-grid;place-items:center;min-width:40px;height:40px;padding:0 8px;border-radius:12px;color:#fff;font-size:18px;background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.item p{margin:0}
.outro{background:#f6f2ff;border-left:4px solid var(--brand);padding:16px 18px;border-radius:10px;margin:34px 0}
.share{display:flex;gap:10px;flex-wrap:wrap;margin:24px 0}
.share a,.share button{font-family:var(--font-head);font-weight:600;font-size:14px;border:0;cursor:pointer;color:#fff;padding:10px 16px;border-radius:999px;display:inline-flex;align-items:center;gap:6px}
.share a:hover{text-decoration:none;filter:brightness(1.08)}
.s-fb{background:#1877f2}.s-x{background:#111}.s-pin{background:#e60023}.s-rd{background:#ff4500}.s-wa{background:#25d366}.s-cp{background:#6b7280}
.share-label{font-family:var(--font-head);font-weight:700;margin:30px 0 0}

/* ad slots: invisible until you paste ad code in */
.ad-slot{margin:28px auto;text-align:center;min-height:0}
.ad-slot:empty{display:none}
.ad-label{font-size:11px;color:var(--muted);letter-spacing:1px;text-transform:uppercase;margin-bottom:4px}

/* next-up bar */
.nextbar{position:fixed;left:50%;bottom:16px;transform:translate(-50%,140%);transition:transform .35s ease;z-index:60;background:#16121f;color:#fff;border-radius:16px;box-shadow:0 12px 40px rgba(0,0,0,.35);display:flex;align-items:center;gap:12px;padding:10px 12px 10px 10px;width:min(560px,calc(100% - 24px))}
.nextbar.show{transform:translate(-50%,0)}
.nextbar img{width:74px;height:48px;object-fit:cover;border-radius:10px;flex:0 0 auto}
.nextbar a{color:#fff;flex:1;font-family:var(--font-head);font-weight:600;font-size:14.5px;line-height:1.3}
.nextbar a small{display:block;color:var(--accent);font-size:11.5px;text-transform:uppercase;letter-spacing:.8px}
.nextbar a:hover{text-decoration:none}
.nextbar button{background:none;border:0;color:#aaa;font-size:22px;cursor:pointer;padding:4px 6px}

/* quiz */
.quiz{background:var(--card);border-radius:20px;box-shadow:var(--shadow);padding:24px;margin:24px 0}
.qbar{height:8px;background:var(--line);border-radius:99px;overflow:hidden;margin-bottom:18px}
.qbar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:width .3s}
.qcount{font-family:var(--font-head);font-weight:700;color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.8px}
.qtext{font-family:var(--font-head);font-size:22px;line-height:1.3;margin:6px 0 18px}
.opts{display:grid;gap:10px}
.opt{font:inherit;text-align:left;background:#faf8ff;border:2px solid var(--line);border-radius:14px;padding:14px 16px;cursor:pointer;font-weight:600;color:var(--ink);transition:border-color .12s,background .12s}
.opt:hover:not([disabled]){border-color:var(--brand);background:#f5f0ff}
.opt.right{border-color:#16a34a;background:#dcfce7}
.opt.wrong{border-color:#dc2626;background:#fee2e2}
.opt[disabled]{cursor:default}
.why{margin-top:14px;padding:12px 14px;border-radius:12px;background:#f6f2ff;display:none}
.why.show{display:block}
.qnext{margin-top:16px;display:none;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border:0;border-radius:999px;padding:12px 22px;font-family:var(--font-head);font-weight:700;font-size:16px;cursor:pointer}
.qnext.show{display:inline-block}
.result{text-align:center;padding:10px 0}
.result .big{font-size:64px;line-height:1}
.result h2{font-family:var(--font-head);font-size:28px;margin:10px 0 6px}
.result .score{font-family:var(--font-head);font-size:48px;font-weight:800;background:linear-gradient(90deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.retry{margin-top:10px;background:none;border:2px solid var(--brand);color:var(--brand);border-radius:999px;padding:9px 18px;font-family:var(--font-head);font-weight:700;cursor:pointer}

/* simple pages */
.page h1{font-family:var(--font-head);font-size:34px;margin:30px 0 10px}
.page h2{font-family:var(--font-head);font-size:21px;margin:28px 0 6px}

/* footer */
.foot{margin-top:60px;background:#16121f;color:#cfc8dc;padding:36px 0 90px;font-size:15px}
.foot a{color:#fff}
.foot .cols{display:flex;gap:30px;flex-wrap:wrap;justify-content:space-between}
.foot .links{display:flex;gap:16px;flex-wrap:wrap}
.foot small{display:block;margin-top:18px;color:#8e86a0}