/* IQ Site — tasarim dili: kalin cerceve, sert golge, canli renkler (DateMode dili) */
:root{
  --ink:#0F1226;
  --bg:#EFF2FF; --panel:#ffffff; --panel-2:#F7F8FF;
  --text:#0F1226; --muted:#5F6685; --line:#0F1226;
  --brand:#4B5CFF; --brand-2:#9B8CFF;
  --violet:#9B8CFF; --yellow:#FFD23F; --green:#6BE3A2; --blue:#5CC8FF;
  --pink:#FF5C7A; --orange:#FFA36B; --teal:#7FD8E8; --red:#E8503A;
  --bd:3px solid var(--ink);
  --pop:5px 5px 0 var(--ink); --pop-sm:3px 3px 0 var(--ink);
  --radius:20px;
  --sidebar:284px;
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
:root[data-theme="dark"]{
  --ink:#07080F;
  --bg:#12141F; --panel:#1D2032; --panel-2:#262A3E;
  --text:#EEF1FF; --muted:#9AA1C0; --line:#000000;
  --pop:5px 5px 0 #000; --pop-sm:3px 3px 0 #000;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:var(--font);-webkit-font-smoothing:antialiased;line-height:1.5}
a{color:inherit;text-decoration:none}
img{max-width:100%}

/* layout */
.layout{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar);flex:0 0 var(--sidebar);padding:22px 18px;display:flex;flex-direction:column;gap:18px;position:sticky;top:0;height:100vh;overflow-y:auto}
.main{flex:1;min-width:0;padding:22px 28px 60px}

/* brand */
.brand{display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--panel);border:var(--bd);border-radius:16px;box-shadow:var(--pop-sm)}
.brand .mark{width:30px;height:30px;border-radius:10px;border:2.5px solid var(--ink);background:var(--brand);display:grid;place-items:center;color:#fff;font-size:15px;font-weight:900;transform:rotate(-5deg)}
.brand b{font-weight:900;font-size:19px;letter-spacing:-.04em}
.brand b span{color:var(--brand)}

/* search */
.search{display:flex;align-items:center;gap:9px;background:var(--panel);border:var(--bd);border-radius:14px;padding:11px 13px;color:var(--muted);font-size:15px;box-shadow:var(--pop-sm)}
.search input{border:0;background:transparent;outline:none;color:var(--text);font:inherit;width:100%}

/* nav */
.nav{display:flex;flex-direction:column;gap:2px}
.nav a{display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:13px;color:var(--text);font-size:15px;font-weight:800;border:3px solid transparent;transition:.1s}
.nav a:hover{background:var(--panel);border-color:var(--ink)}
.nav a.active{background:var(--yellow);border-color:var(--ink);box-shadow:var(--pop-sm);color:#0F1226}
.nav a .ic{width:22px;text-align:center;font-size:16px}

.side-bottom{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.side-tools{display:flex;gap:8px}
.side-tools button,.side-tools .sidelink{flex:1;background:var(--panel);border:var(--bd);border-radius:13px;padding:11px;color:var(--text);font:inherit;font-size:13px;font-weight:800;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px;box-shadow:var(--pop-sm)}
.side-tools button:active{transform:translate(3px,3px);box-shadow:none}

/* cards */
.card{background:var(--panel);border:var(--bd);border-radius:var(--radius);box-shadow:var(--pop)}
.hero{padding:44px 46px;margin-bottom:18px}
.hero h1{font-size:clamp(30px,4vw,46px);line-height:1.05;letter-spacing:-.045em;margin:0;font-weight:900}
.hero h1 .dim{color:var(--muted);display:block}
.hero p{color:var(--muted);max-width:52ch;margin:14px 0 20px}
.pills{display:flex;gap:10px;flex-wrap:wrap}
/* On narrow screens the four badges must stay on one line: they shrink,
   stop wrapping, and scroll sideways only if the screen is very small. */
@media(max-width:640px){
  .pills{flex-wrap:nowrap;gap:6px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .pills::-webkit-scrollbar{display:none}
  .pills .pill{flex:0 0 auto;font-size:11px;padding:6px 9px;border-width:2px;white-space:nowrap}
}
@media(max-width:420px){
  .pills{gap:5px}
  .pills .pill{font-size:10px;padding:5px 7px;border-width:2px}
  /* "No sign-up" and "No email" say the same thing — drop one when space is tight */
  .pills .pill.v{display:none}
}
.pill{border:2.5px solid var(--ink);border-radius:999px;padding:8px 15px;font-size:13px;font-weight:900;background:var(--yellow);color:#0F1226}
.pill.v{background:var(--violet)} .pill.g{background:var(--green)} .pill.b{background:var(--blue)}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.tile{padding:26px;min-height:170px;display:flex;flex-direction:column;justify-content:space-between;transition:.18s;cursor:pointer}
.tile:hover{transform:translateY(-2px);border-color:var(--brand)}
.tile .kicker{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:700}
.tile h3{margin:16px 0 0;font-size:23px;letter-spacing:-.02em;line-height:1.15;font-weight:900}
.tile .row{display:flex;align-items:flex-end;justify-content:space-between;margin-top:14px}
.tile .desc{color:var(--muted);font-size:14px;max-width:26ch}
.tile .go{width:34px;height:34px;border-radius:50%;background:var(--panel-2);border:2px solid var(--line);display:grid;place-items:center;color:var(--brand);font-weight:900;flex:0 0 auto}
.tile .emoji{font-size:26px}
.tile.soon{opacity:.55;pointer-events:none}

.section-title{margin:30px 0 14px;font-size:13px;font-weight:900;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.page-head{padding:34px 36px;margin-bottom:18px}
.page-head h1{margin:0;font-size:clamp(26px,3.4vw,38px);letter-spacing:-.04em;font-weight:900;line-height:1.05}
.page-head p{color:var(--muted);margin:10px 0 0}
footer{margin-top:40px;color:var(--muted);font-size:13px;display:flex;gap:14px;flex-wrap:wrap}

/* buttons */
.btn{background:var(--brand);color:#fff;border:var(--bd);border-radius:14px;padding:13px 26px;
  font:inherit;font-weight:900;font-size:15px;cursor:pointer;box-shadow:var(--pop-sm)}
.btn:active{transform:translate(3px,3px);box-shadow:none}
.btn.ghost{background:var(--panel);color:var(--text)}
.btn:disabled{opacity:.4;cursor:default;box-shadow:none;transform:none}

/* test runner */
.test-shell{max-width:760px;margin:0 auto}
.qhead{display:flex;justify-content:space-between;color:var(--muted);font-size:13px;font-weight:900}
.progress{height:12px;background:var(--panel);border:2.5px solid var(--ink);border-radius:99px;overflow:hidden;margin:10px 0 16px}
.progress i{display:block;height:100%;background:var(--brand);width:0;transition:width .25s}
.qbox{background:var(--panel);border:var(--bd);border-radius:var(--radius);box-shadow:var(--pop);padding:26px;text-align:center}
.qbox svg{max-width:100%;height:auto}
.opts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
@media(max-width:520px){.opts{grid-template-columns:repeat(2,1fr)}}
.opt{background:var(--panel);border:var(--bd);border-radius:16px;padding:10px;cursor:pointer;text-align:center;box-shadow:var(--pop-sm)}
.opt:active{transform:translate(3px,3px);box-shadow:none}
.opt.sel{background:var(--yellow);color:#0F1226}
.btnrow{display:flex;justify-content:space-between;gap:12px;margin-top:22px}
.result{background:var(--panel);border:var(--bd);border-radius:var(--radius);box-shadow:var(--pop);padding:34px;text-align:center}
.result .score{font-size:64px;font-weight:900;letter-spacing:-.04em;color:var(--brand);line-height:1}
.result .band{font-size:15px;color:var(--muted);margin-top:8px;font-weight:800}

/* benchmark stage */
.bench-stage{background:var(--panel);border:var(--bd);border-radius:var(--radius);box-shadow:var(--pop);
  min-height:380px;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px;
  cursor:pointer;user-select:none;font-weight:900;text-align:center;padding:20px}
.bench-stage.waiting{background:var(--red);color:#fff}
.bench-stage.go{background:var(--green);color:#0F1226}
.bench-stage .big{font-size:48px;letter-spacing:-.03em}
.bench-stage .hint{font-size:14px;font-weight:700;opacity:.85}
.seq-grid{display:grid;grid-template-columns:repeat(3,92px);gap:12px}
.seq-cell{width:92px;height:92px;border-radius:16px;background:var(--panel-2);border:var(--bd);cursor:pointer}
.seq-cell.lit{background:var(--brand)}
.seq-cell.err{background:var(--red)}

/* share cards */
.share-box{margin-top:18px;background:var(--panel);border:var(--bd);border-radius:var(--radius);box-shadow:var(--pop);padding:18px}
.share-card-wrap canvas{width:100%;height:auto;border-radius:14px;border:2.5px solid var(--ink);display:block}
.share-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;justify-content:center}
.sbtn{border:2.5px solid var(--ink);background:var(--panel-2);color:var(--text);border-radius:12px;
  padding:10px 16px;font:inherit;font-weight:900;font-size:14px;cursor:pointer;box-shadow:var(--pop-sm)}
.sbtn:active{transform:translate(3px,3px);box-shadow:none}
.sbtn.x{background:#000;color:#fff}
.sbtn.rd{background:#ff4500;color:#fff}
.sbtn.wa{background:#25d366;color:#0F1226}
.sbtn.native{background:var(--brand);color:#fff}

/* leaderboard */
.lb{background:var(--panel);border:var(--bd);border-radius:var(--radius);box-shadow:var(--pop);padding:18px;margin-top:18px}
.lb h3{font-size:17px;margin:0 0 12px;font-weight:900;letter-spacing:-.02em}
.lb table{width:100%;border-collapse:collapse;font-size:14px}
.lb td{padding:8px 4px;border-bottom:2px solid var(--panel-2)}
.lb td:first-child{width:34px;color:var(--muted);font-weight:900}
.lb td:last-child{text-align:right;font-weight:900}
.lb tr:first-child td:first-child{color:var(--brand)}
.lb .empty{color:var(--muted);font-size:14px;font-weight:600}
.lb-tabs{display:flex;gap:8px;margin-bottom:12px}
.lb-tabs button{border:2.5px solid var(--ink);background:var(--panel-2);color:var(--text);
  border-radius:999px;padding:6px 15px;font:inherit;font-size:13px;font-weight:900;cursor:pointer}
.lb-tabs button.on{background:var(--yellow);color:#0F1226;box-shadow:var(--pop-sm)}
.namerow{display:flex;gap:10px;margin-top:14px}
.namerow input{flex:1;padding:11px;border-radius:12px;border:var(--bd);background:var(--panel-2);
  color:var(--text);font:inherit;font-weight:700;font-size:14px;outline:none}

/* mobile */
.mobile-bar{display:none}
@media(max-width:900px){
  :root{--radius:18px}
  .layout{display:block}
  .sidebar{position:fixed;left:0;top:0;z-index:50;background:var(--bg);transform:translateX(-100%);
    transition:transform .22s ease;width:78vw;max-width:300px;padding:16px 14px;height:100dvh}
  .sidebar.open{transform:none}
  .main{padding:12px 14px 60px}
  .scrim{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:40;display:none}
  .scrim.on{display:block}
  .mobile-bar{display:flex;align-items:center;gap:10px;margin-bottom:12px}
  .mobile-bar button{background:var(--panel);border:var(--bd);border-radius:12px;width:42px;height:42px;
    font-size:17px;cursor:pointer;color:var(--text);display:grid;place-items:center;flex:0 0 auto;box-shadow:var(--pop-sm)}
  .mobile-bar .brand{padding:8px 12px;flex:1;min-width:0}
  .mobile-bar .brand b{font-size:16px}
  .mobile-bar .brand .mark{width:26px;height:26px;font-size:13px}
  .hero{padding:22px 18px;margin-bottom:12px}
  .hero h1{font-size:27px;line-height:1.12}
  .hero p{font-size:14px;margin:10px 0 14px;max-width:none}
  .grid{grid-template-columns:1fr 1fr;gap:10px}
  .tile{padding:14px;min-height:0;gap:4px;justify-content:flex-start}
  .tile h3{font-size:16px;margin:8px 0 0}
  .tile .desc{font-size:12px}
  .tile .go{width:28px;height:28px}
  .page-head{padding:20px 18px}
  .seq-grid{grid-template-columns:repeat(3,78px)}
  .seq-cell{width:78px;height:78px}
  .bench-stage{min-height:300px}
  .bench-stage .big{font-size:36px}
}

/* likert */
.lk-row{padding:14px 0;border-bottom:2px solid var(--panel-2)}
.lk-row:last-child{border-bottom:0}
.lk-q{font-weight:700;font-size:15px;margin-bottom:10px}
.lk-scale{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.lk-opt{border:2.5px solid var(--ink);background:var(--panel-2);color:var(--text);border-radius:12px;
  padding:12px 0;font:inherit;font-weight:900;font-size:14px;cursor:pointer}
.lk-opt.on{background:var(--brand);color:#fff}
.tr-row{margin-bottom:18px}
.tr-head{display:flex;justify-content:space-between;font-weight:900;font-size:16px;margin-bottom:6px}
.tr-bar{height:14px;background:var(--panel-2);border:2.5px solid var(--ink);border-radius:99px;overflow:hidden}
.tr-bar i{display:block;height:100%;background:var(--brand)}
.tr-desc{color:var(--muted);font-size:14px;margin:8px 0 0}

/* SEO article + FAQ blocks under each test */
.article{background:var(--panel);border:var(--bd);border-radius:var(--radius);box-shadow:var(--pop);
  padding:30px 34px;margin-top:22px}
.article h2{font-size:24px;font-weight:900;letter-spacing:-.03em;margin:0 0 10px}
.article h3{font-size:18px;font-weight:900;letter-spacing:-.02em;margin:26px 0 8px}
.article p{color:var(--muted);margin:0 0 12px;font-size:15px}
.article ul{color:var(--muted);margin:0 0 12px;padding-left:20px;font-size:15px}
.article li{margin-bottom:6px}
.article table{width:100%;border-collapse:collapse;font-size:15px;margin:10px 0 16px}
.article th,.article td{padding:9px 8px;border-bottom:2px solid var(--panel-2);text-align:left}
.article th{font-weight:900;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.faq{margin-top:8px}
.faq details{border:2.5px solid var(--ink);border-radius:14px;background:var(--panel-2);
  padding:14px 16px;margin-bottom:10px}
.faq summary{font-weight:900;font-size:15px;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';float:right;font-weight:900;color:var(--brand)}
.faq details[open] summary::after{content:'−'}
.faq p{color:var(--muted);font-size:15px;margin:10px 0 0}
@media(max-width:900px){.article{padding:20px 18px}.article h2{font-size:20px}}

/* Back link shown above the content on every test page */
.backlink{display:inline-block;margin:0 0 14px;padding:8px 14px;border:2px solid var(--line);
  border-radius:10px;background:var(--card);color:var(--muted);font-weight:800;font-size:14px;
  text-decoration:none}
.backlink:hover{color:var(--ink);border-color:var(--ink)}

/* Leaderboard holds up to 100 rows, so it scrolls inside its own box */
.lb-scroll{max-height:340px;overflow-y:auto;overflow-x:auto;border-radius:10px}
.lb-scroll table{width:100%}
.lb tr.me{background:var(--chip);font-weight:900}