/* KORIXA World — classic 3D design system */
:root{
  --bg:#eef0f7; --surface:#ffffff; --surface-2:#f6f7fc; --soft:#e9ecf6;
  --text:#0a0f1e; --text-2:#353d52; --text-3:#5f6a82; --text-4:#8d97af;
  --line:#dfe3ee; --line-2:#e9ecf5;
  --brand:#4338ca; --brand-2:#6d28d9; --brand-soft:#eceafe;
  --accent:#0891b2; --ok:#047857; --warn:#b45309; --bad:#b91c1c;
  --r:18px; --r-sm:12px; --r-lg:26px;
  --sh-sm:0 1px 2px rgba(10,15,30,.07),0 1px 1px rgba(10,15,30,.04);
  --sh:0 1px 2px rgba(10,15,30,.06),0 8px 24px -8px rgba(10,15,30,.18),0 24px 48px -24px rgba(67,56,202,.22);
  --sh-lg:0 2px 4px rgba(10,15,30,.08),0 20px 50px -12px rgba(67,56,202,.42),0 40px 80px -32px rgba(8,145,178,.28);
  --maxw:1240px; --hh:68px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --font-serif:'Iowan Old Style','Palatino Linotype',Palatino,Georgia,'Times New Roman',serif;
}
html[data-theme="dark"]{
  --bg:#060a14; --surface:#0d1424; --surface-2:#0a1120; --soft:#0b1220;
  --text:#e6ebf7; --text-2:#b6c1d8; --text-3:#8591ab; --text-4:#5d6884;
  --line:#1a2338; --line-2:#141c2e;
  --brand:#818cf8; --brand-2:#a78bfa; --brand-soft:#18153f;
  --sh-sm:0 1px 2px rgba(0,0,0,.4);
  --sh:0 1px 2px rgba(0,0,0,.4),0 12px 30px -10px rgba(0,0,0,.6),0 24px 48px -24px rgba(99,102,241,.35);
  --sh-lg:0 2px 4px rgba(0,0,0,.4),0 20px 50px -12px rgba(99,102,241,.5);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--hh) + 20px);overflow-x:hidden}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.02em}
h1,h2,h3{font-family:var(--font-serif);font-weight:700}
h1{font-size:clamp(1.9rem,4.2vw,3.1rem);letter-spacing:-.03em}
h2{font-size:clamp(1.35rem,2.4vw,1.85rem);letter-spacing:-.02em}
h3{font-size:1.06rem;font-weight:700;font-family:var(--font);letter-spacing:-.01em}
p{margin:0 0 1rem}
button{font-family:inherit}
::selection{background:var(--brand);color:#fff}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.skip{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}
.skip:focus{position:fixed;width:auto;height:auto;margin:0;padding:10px 16px;overflow:visible;clip:auto;clip-path:none;background:var(--brand);color:#fff;border-radius:10px;z-index:200;inset-inline-start:12px;top:12px;font-weight:700}
.meta{color:var(--text-3);font-size:.84rem}
.empty{color:var(--text-3);text-align:center;padding:40px 0}

/* header */
.hdr{position:sticky;top:0;z-index:100;background:linear-gradient(180deg,color-mix(in srgb,var(--surface) 94%,transparent),color-mix(in srgb,var(--surface) 82%,transparent));backdrop-filter:saturate(200%) blur(14px);-webkit-backdrop-filter:saturate(200%) blur(14px);border-bottom:1px solid var(--line-2);box-shadow:0 1px 0 rgba(255,255,255,.7) inset,0 8px 24px -18px rgba(10,15,30,.35)}
.hdr-in{display:flex;align-items:center;gap:24px;height:var(--hh)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;letter-spacing:-.03em;flex-shrink:0}
.brand img{width:30px;height:30px;border-radius:10px;box-shadow:var(--sh-sm)}
.nav{display:flex;gap:3px;margin-inline-start:4px;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{color:var(--text-2);font-weight:600;font-size:.92rem;padding:9px 13px;border-radius:11px;white-space:nowrap;transition:.15s}
.nav a:hover{color:var(--text);background:var(--soft)}
.nav a.on{color:var(--brand);background:var(--brand-soft);box-shadow:0 1px 0 rgba(255,255,255,.8) inset}
.hdr-act{display:flex;align-items:center;gap:8px;margin-inline-start:auto;flex-shrink:0}
.icon-btn{width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:linear-gradient(180deg,#fff,var(--surface-2));color:var(--text-2);display:grid;place-items:center;cursor:pointer;transition:.15s;box-shadow:var(--sh-sm)}
.icon-btn:hover{border-color:var(--text-4);color:var(--text);transform:translateY(-1px)}
.lang{position:relative}
.lang-btn{display:flex;align-items:center;gap:6px;padding:9px 12px;border-radius:11px;border:1px solid var(--line);background:linear-gradient(180deg,#fff,var(--surface-2));color:var(--text-2);font-size:.87rem;font-weight:600;cursor:pointer;box-shadow:var(--sh-sm)}
.lang-btn:hover{border-color:var(--text-4)}
.lang-menu{position:absolute;inset-inline-end:0;top:calc(100% + 10px);background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh-lg);padding:7px;min-width:180px;max-height:340px;overflow:auto;z-index:120}
.lang-menu a{display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:9px;color:var(--text-2);font-size:.9rem;font-weight:500}
.lang-menu a:hover{background:var(--soft);color:var(--text)}
.lang-menu a.on{color:var(--brand);background:var(--brand-soft)}
.burger{display:none;flex-direction:column;gap:4px;background:none;border:0;cursor:pointer;padding:9px}
.burger span{width:21px;height:2px;background:var(--text);border-radius:2px;transition:.2s}
.mnav{display:none;flex-direction:column;gap:2px;padding:12px 24px 20px;border-top:1px solid var(--line-2);background:var(--surface)}
.mnav a{padding:12px 6px;color:var(--text-2);font-weight:600;border-bottom:1px solid var(--line-2)}
.mnav a:last-child{border:0}
.mnav.open{display:flex}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:13px;font-weight:700;font-size:.94rem;border:1px solid transparent;cursor:pointer;transition:.16s;white-space:nowrap}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-p{background:linear-gradient(180deg,#6d5df1,var(--brand) 55%,#3730a3);color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.35) inset,0 10px 24px -8px rgba(67,56,202,.55)}
.btn-p:hover{filter:brightness(1.06)}
.btn-g{background:linear-gradient(180deg,#fff,var(--surface-2));color:var(--text);border-color:var(--line);box-shadow:var(--sh-sm)}
.btn-g:hover{background:linear-gradient(180deg,#fff,var(--soft))}
.btn-sm{padding:8px 15px;font-size:.85rem;border-radius:10px}

/* hero */
.hero{padding:58px 0 46px;perspective:900px;background:radial-gradient(70% 60% at 20% 0%,color-mix(in srgb,var(--brand) 14%,transparent),transparent 70%),radial-gradient(60% 50% at 90% 10%,color-mix(in srgb,var(--accent) 12%,transparent),transparent 70%);text-align:center}
.pill{display:inline-flex;align-items:center;gap:7px;background:var(--surface);border:1px solid var(--line);color:var(--brand);padding:7px 15px;border-radius:999px;font-size:.8rem;font-weight:700;letter-spacing:.02em;margin-bottom:20px;box-shadow:var(--sh-sm)}
.pill::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand)}
.lead{font-size:clamp(1.02rem,1.8vw,1.2rem);color:var(--text-2);max-width:660px;margin:0 auto 26px}
.search{display:flex;gap:9px;max-width:600px;margin:0 auto}
.search input{flex:1;padding:14px 18px;border:1px solid var(--line);border-radius:14px;background:var(--surface);color:var(--text);font-size:.96rem;font-family:inherit;box-shadow:0 1px 0 rgba(255,255,255,.8) inset,0 1px 3px rgba(10,15,30,.06)}
.search input:focus{outline:2px solid color-mix(in srgb,var(--brand) 35%,transparent);border-color:var(--brand)}

/* sections */
.sec{padding:54px 0}
.sec-tight{padding:36px 0}
.sec-alt{background:linear-gradient(180deg,var(--surface-2),transparent)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.more{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:.9rem;color:var(--brand);white-space:nowrap}
.more:hover{gap:10px}
.arr{display:inline-block}

/* grids + cards */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s;box-shadow:var(--sh-sm)}
.card:hover{transform:translateY(-6px) scale(1.012);box-shadow:var(--sh-lg);border-color:color-mix(in srgb,var(--brand) 40%,var(--line))}
.card-media{box-shadow:0 1px 0 rgba(255,255,255,.25) inset}
.card-media{position:relative;aspect-ratio:16/9;background:linear-gradient(135deg,var(--brand),var(--accent));background-size:cover;background-position:center;display:flex;align-items:flex-start;padding:12px}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,15,30,.05),transparent 45%,rgba(10,15,30,.18))}
.card-media .tag{position:relative;z-index:2}
.card-body{padding:18px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.card h3{font-size:1.03rem}
.card h3,.card p{display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}
.card h3{-webkit-line-clamp:3}
.card p{color:var(--text-3);font-size:.9rem;margin:0;-webkit-line-clamp:3}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:12px;border-top:1px solid var(--line-2);margin-top:auto}
.play-ic{width:32px;height:32px;border-radius:10px;background:linear-gradient(180deg,#fff,var(--surface-2));border:1px solid var(--line);color:var(--brand);display:grid;place-items:center;font-size:.85rem;box-shadow:var(--sh-sm)}
.tag{display:inline-flex;align-items:center;background:rgba(255,255,255,.94);color:#1e1b4b;padding:5px 12px;border-radius:999px;font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;box-shadow:var(--sh-sm)}
.tag-alt{background:#fef3c7;color:#92400e}
.tag-poll{background:#dcfce7;color:#166534}
.tag-game{background:#fce7f3;color:#9d174d}

/* trends */
.trend-list{display:flex;flex-direction:column;gap:11px}
.trend-item{display:flex;align-items:center;gap:16px;background:linear-gradient(180deg,var(--surface),var(--surface-2));border:1px solid var(--line);border-radius:var(--r-sm);padding:15px 18px;transition:.18s;box-shadow:0 1px 0 rgba(255,255,255,.85) inset,0 10px 24px -12px rgba(10,15,30,.28)}
.trend-item .dot{margin:0 6px;opacity:.5}
.trend-item:hover{border-color:color-mix(in srgb,var(--brand) 34%,var(--line));box-shadow:var(--sh);transform:translateY(-2px)}
.trend-rank{font-size:1.35rem;flex-shrink:0;width:40px;text-align:center;filter:drop-shadow(0 2px 3px rgba(10,15,30,.18))}
.trend-main{flex:1;min-width:0}
.trend-main h3{font-size:.98rem;font-family:var(--font);font-weight:600}
.trend-main h3 a{color:var(--text)}
.trend-main h3 a:hover{color:var(--brand)}
.trend-score{font-weight:800;color:var(--brand);font-size:1.05rem;flex-shrink:0}

/* tags */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-weight:600;font-size:.88rem;color:var(--text);transition:.15s;box-shadow:var(--sh-sm)}
.chip:hover{border-color:color-mix(in srgb,var(--brand) 40%,var(--line));transform:translateY(-2px);box-shadow:var(--sh)}
.topics{display:flex;flex-wrap:wrap;gap:10px}

/* categories */
.cat-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px;text-align:center;transition:.18s;display:block;box-shadow:var(--sh-sm)}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:color-mix(in srgb,var(--brand) 32%,var(--line))}
.cat-ic{width:56px;height:56px;border-radius:16px;color:#fff;display:grid;place-items:center;font-size:1.5rem;margin:0 auto 14px;box-shadow:0 8px 18px -6px rgba(10,15,30,.35)}
.cat-card h3{font-family:var(--font);font-size:1rem}

/* page hero */
.page-h{padding:54px 0 28px;text-align:center;perspective:900px;background:radial-gradient(60% 60% at 50% 0%,color-mix(in srgb,var(--brand) 11%,transparent),transparent 72%)}
.page-h .tag{margin-bottom:14px}
.page-h p{color:var(--text-2);max-width:640px;margin:0 auto}
.page-h .meta{margin-top:12px}

/* prose */
.prose{max-width:760px}
.prose h2{margin:1.4em 0 .5em}
.prose h3{margin:1.3em 0 .4em}
.prose p,.prose li{color:var(--text-2)}
.prose a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}

/* interactive */
.quiz-app,.poll-app,.game-app,.challenge-app{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;max-width:760px;margin:0 auto;box-shadow:var(--sh)}
.quiz-progress{height:7px;background:var(--soft);border-radius:999px;overflow:hidden;margin-bottom:24px;box-shadow:0 1px 2px rgba(10,15,30,.08) inset}
.quiz-progress span{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--accent));width:0;transition:width .3s}
.qq{font-family:var(--font-serif);font-size:1.32rem;margin-bottom:18px}
.qopt,.poll-opt{display:block;width:100%;text-align:start;background:linear-gradient(180deg,var(--surface),var(--surface-2));border:1px solid var(--line);border-radius:var(--r-sm);padding:14px 17px;margin-bottom:11px;cursor:pointer;font-size:.96rem;font-weight:500;transition:.15s;color:var(--text);box-shadow:var(--sh-sm)}
.qopt:hover,.poll-opt:hover{border-color:color-mix(in srgb,var(--brand) 45%,var(--line));background:var(--brand-soft);transform:translateY(-1px)}
.qopt.sel,.poll-opt.sel{border-color:var(--brand);background:var(--brand-soft)}
.qopt.ok{border-color:var(--ok);background:#ecfdf5}
.qopt.no{border-color:var(--bad);background:#fef2f2}
.qactions{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}
.qexp{margin-top:16px;padding:14px 17px;background:var(--soft);border-radius:var(--r-sm);font-size:.92rem;color:var(--text-2)}
.result-hero{text-align:center;margin:22px 0}
.result-score{font-family:var(--font-serif);font-size:4.2rem;font-weight:700;line-height:1;background:linear-gradient(135deg,var(--brand),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.share-row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.poll-bar{height:9px;background:var(--soft);border-radius:999px;overflow:hidden;margin-top:7px;box-shadow:0 1px 2px rgba(10,15,30,.08) inset}
.poll-bar span{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--accent))}

/* leaderboard */
.leaderboard{display:flex;flex-direction:column;gap:9px;max-width:760px;margin:0 auto}
.lb-row{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 17px;box-shadow:var(--sh-sm)}
.lb-rank{width:30px;height:30px;border-radius:9px;background:linear-gradient(180deg,#fff,var(--brand-soft));border:1px solid color-mix(in srgb,var(--brand) 25%,var(--line));color:var(--brand);display:grid;place-items:center;font-weight:800;font-size:.85rem}
.lb-name{flex:1;font-weight:600}
.lb-score{font-weight:800;color:var(--brand)}

/* games */
.game-board{display:grid;gap:9px;justify-content:center;margin:20px 0}
.gcell{width:66px;height:66px;border-radius:15px;border:1px solid var(--line);background:linear-gradient(180deg,#fff,var(--surface-2));font-size:1.5rem;font-weight:800;cursor:pointer;transition:.12s;color:var(--text);box-shadow:var(--sh-sm)}
.gcell:hover{background:var(--brand-soft);border-color:var(--brand);transform:translateY(-2px)}
.gcell.on{background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;border-color:transparent;box-shadow:0 8px 18px -6px rgba(67,56,202,.5)}
.game-stats{display:flex;justify-content:center;gap:26px;margin-bottom:16px;font-weight:700}
.game-stats span{color:var(--brand)}

/* profile */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--sh-sm)}
.badges{display:flex;flex-wrap:wrap;gap:10px}
.badge{background:linear-gradient(180deg,#fff,var(--brand-soft));border:1px solid color-mix(in srgb,var(--brand) 25%,var(--line));color:var(--brand);border-radius:999px;padding:8px 15px;font-weight:700;font-size:.85rem}
.result-list{display:flex;flex-direction:column;gap:9px}
.result-row{display:flex;justify-content:space-between;gap:12px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 16px;font-weight:600}
.result-row:hover{border-color:color-mix(in srgb,var(--brand) 40%,var(--line))}

/* ads */
.ad-slot{margin:30px auto;text-align:center;min-height:90px;display:flex;align-items:center;justify-content:center;color:var(--text-4);font-size:.75rem;letter-spacing:.04em}
/* Keep ads clear of interactive controls (quiz submit / poll vote). */
.ad-slot-buffer{margin-top:64px}
/* The "Advertisement" label is only shown once real ad code can run; an empty
   placeholder labelled as an ad is misleading while ADSENSE_CLIENT is unset. */
.ads-live .ad-slot:empty::before{content:'Advertisement';opacity:.5}

/* consent */
.consent{position:fixed;bottom:0;inset-inline:0;z-index:150;background:var(--surface);border-top:1px solid var(--line);box-shadow:0 -12px 30px -18px rgba(10,15,30,.4);padding:15px 24px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:center}
.consent p{margin:0;font-size:.88rem;color:var(--text-2)}
.consent a{font-size:.85rem;color:var(--brand);text-decoration:underline}
.consent-act{display:flex;gap:8px}

/* newsletter */
.nl-form{display:flex;gap:8px;margin-top:15px;max-width:340px}
.nl-form input{flex:1;padding:10px 14px;border:1px solid var(--line);border-radius:11px;background:var(--surface-2);color:var(--text);font-size:.88rem;font-family:inherit;min-width:0}
.nl-msg{margin-top:9px;font-size:.85rem;font-weight:600}
.nl-msg.ok{color:var(--ok)}
.nl-msg.err{color:var(--bad)}

/* footer */
.ftr{background:linear-gradient(180deg,var(--surface),var(--surface-2));border-top:1px solid var(--line);padding:56px 0 26px;margin-top:44px;box-shadow:0 -1px 0 rgba(255,255,255,.7) inset}
.ftr-g{display:grid;grid-template-columns:2.2fr 1fr 1fr 1fr;gap:36px}
.ftr-tag{color:var(--text-3);font-size:.9rem;margin-top:13px;max-width:280px}
.ftr h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.07em;color:var(--text-4);margin-bottom:15px;font-weight:800}
.ftr a{display:block;color:var(--text-2);font-size:.9rem;padding:5px 0;font-weight:500}
.ftr a:hover{color:var(--brand)}
.ftr-b{border-top:1px solid var(--line-2);margin-top:36px;padding-top:22px;text-align:center;color:var(--text-4);font-size:.84rem}
.ftr-b p{margin:0}

/* misc */
.progress{position:fixed;top:0;inset-inline-start:0;height:3px;width:0;background:linear-gradient(90deg,var(--brand),var(--accent));z-index:130;transition:width .1s linear}
.backtop{position:fixed;inset-inline-end:18px;bottom:18px;width:46px;height:46px;border-radius:13px;border:1px solid var(--line);background:linear-gradient(180deg,#fff,var(--surface-2));color:var(--text);font-size:1.15rem;line-height:1;cursor:pointer;box-shadow:var(--sh-lg);opacity:0;pointer-events:none;transition:.2s;z-index:110}
.backtop.on{opacity:1;pointer-events:auto}
.admin-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:15px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;text-align:center;box-shadow:var(--sh-sm)}
.stat-n{display:block;font-size:2rem;font-weight:800;font-family:var(--font-serif);background:linear-gradient(135deg,var(--brand),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-l{font-size:.82rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-3)}
.admin-actions{display:flex;gap:10px;margin-top:24px;flex-wrap:wrap}
.admin-log{margin-top:22px;background:#0b1020;color:#a5f3fc;padding:16px;border-radius:var(--r-sm);font-size:.8rem;max-height:300px;overflow:auto;white-space:pre-wrap}

/* RTL */
[dir="rtl"] .nav{margin-inline-start:0;margin-inline-end:4px}
[dir="rtl"] .hdr-act{margin-inline-start:0;margin-inline-end:auto}
[dir="rtl"] .arr{transform:scaleX(-1)}
[dir="rtl"] .meta,[dir="rtl"] .trend-main h3,[dir="rtl"] .card h3,[dir="rtl"] .card p{unicode-bidi:isolate}

/* responsive */
@media(max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .ftr-g{grid-template-columns:1fr 1fr;gap:28px}
}
@media(max-width:860px){
  .nav{display:none}
  .burger{display:flex}
  .sec{padding:42px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:8px}
}
@media(max-width:600px){
  .wrap{padding:0 16px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .hdr-in{gap:12px}
  .lang-btn span{display:none}
  .hero{padding:34px 0 26px}
  .ftr-g{grid-template-columns:1fr;gap:24px}
  .search{flex-direction:column}
  .quiz-app,.poll-app,.game-app,.challenge-app{padding:20px}
  .consent{padding:12px 16px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}

/* article hero */
.art-hero{margin:28px auto;max-width:900px;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);border:1px solid var(--line)}
.art-hero img{width:100%;height:auto;display:block}