:root{
  --p:#7c3aed; --p-dark:#5b21b6; --p-deep:#3b0f7a; --p-soft:#f3edff; --p-line:#e4d8fd;
  --ink:#1c1530; --muted:#655c7a; --bg:#faf8ff; --card:#ffffff;
  --ok:#16a34a; --ok-soft:#e8f8ee; --bad:#dc2626; --bad-soft:#fdecec; --warn:#d97706; --warn-soft:#fff6e5;
  --accent:#ffc83d; --accent-ink:#3a2a00;
  --r:18px; --shadow:0 10px 30px -12px rgba(76,29,149,.25);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Plus Jakarta Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--p)}
img{max-width:100%}
button{font:inherit}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}

/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--p-line)}
.hdr .wrap{display:flex;align-items:center;gap:18px;height:68px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800}
.logo img{height:42px;width:auto}
.logo .txt{font-size:18px;letter-spacing:-.02em}
.logo .txt b{color:var(--p)}
.nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav a{text-decoration:none;color:var(--ink);font-weight:600;font-size:15px;padding:8px 12px;border-radius:10px}
.nav a:hover,.nav a.on{background:var(--p-soft);color:var(--p-dark)}
.menu-btn{display:none;margin-left:auto;background:none;border:1px solid var(--p-line);border-radius:10px;padding:8px 10px;cursor:pointer}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;padding:12px 20px;font-weight:700;font-size:15px;cursor:pointer;text-decoration:none;transition:transform .12s,box-shadow .12s,background .12s;line-height:1.2}
.btn:active{transform:translateY(1px)}
.btn-p{background:var(--p);color:#fff;box-shadow:0 8px 20px -8px rgba(124,58,237,.7)}
.btn-p:hover{background:var(--p-dark)}
.btn-a{background:var(--accent);color:var(--accent-ink)}
.btn-a:hover{filter:brightness(.96)}
.btn-o{background:#fff;color:var(--p-dark);border:1.5px solid var(--p-line)}
.btn-o:hover{border-color:var(--p)}
.btn-w{background:#fff;color:var(--p-dark)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn-sm{padding:8px 14px;font-size:14px;border-radius:10px}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* hero */
.hero{background:radial-gradient(1200px 500px at 85% -10%,#a78bfa 0,transparent 60%),linear-gradient(135deg,var(--p) 0%,var(--p-deep) 100%);color:#fff;padding:72px 0 88px;position:relative;overflow:hidden}
.hero h1{font-size:clamp(32px,5vw,54px);line-height:1.08;letter-spacing:-.03em;margin:14px 0 18px;max-width:760px}
.hero p.lead{font-size:18px;opacity:.92;max-width:620px;margin:0 0 28px}
.pill{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);padding:6px 14px;border-radius:99px;font-size:13px;font-weight:700;letter-spacing:.02em}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-stats{display:flex;gap:28px;flex-wrap:wrap;margin-top:40px}
.hero-stats div{font-size:14px;opacity:.9}
.hero-stats b{display:block;font-size:24px;letter-spacing:-.02em}

/* sections */
.sec{padding:64px 0}
.sec h2{font-size:clamp(26px,3.4vw,36px);letter-spacing:-.025em;line-height:1.15;margin:6px 0 10px}
.eyebrow{color:var(--p);font-weight:800;font-size:13px;letter-spacing:.12em;text-transform:uppercase}
.sub{color:var(--muted);max-width:640px;margin:0 0 28px}

.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--p-line);border-radius:var(--r);padding:24px;box-shadow:var(--shadow)}

.test-card{display:flex;flex-direction:column;gap:12px;position:relative;overflow:hidden}
.test-card::before{content:"";position:absolute;inset:0 0 auto 0;height:6px;background:linear-gradient(90deg,var(--p),#c084fc)}
.test-card h3{margin:4px 0 0;font-size:24px;letter-spacing:-.02em}
.test-card .meta{display:flex;gap:8px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--p-soft);color:var(--p-dark);border-radius:99px;padding:4px 12px;font-size:13px;font-weight:700}
.chip.g{background:var(--ok-soft);color:#166534}
.test-card p{color:var(--muted);margin:0}
.test-card .btns{display:flex;gap:10px;flex-wrap:wrap;margin-top:auto;padding-top:8px}

.step{display:flex;gap:14px}
.step .n{flex:0 0 40px;height:40px;border-radius:12px;background:var(--p);color:#fff;display:grid;place-items:center;font-weight:800}
.step h4{margin:2px 0 4px;font-size:17px}
.step p{margin:0;color:var(--muted);font-size:15px}

.band{background:linear-gradient(135deg,var(--p-deep),var(--p));color:#fff;border-radius:24px;padding:40px;display:flex;gap:30px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.band h2{color:#fff;margin:0 0 8px}
.band p{margin:0;opacity:.9;max-width:620px}

.notice{background:var(--warn-soft);border:1px solid #f6d79c;color:#7a4b00;border-radius:14px;padding:14px 16px;font-size:14px}
.notice.info{background:var(--p-soft);border-color:var(--p-line);color:var(--p-deep)}

details.faq{background:#fff;border:1px solid var(--p-line);border-radius:14px;padding:16px 20px;margin-bottom:10px}
details.faq summary{font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between}
details.faq summary::after{content:"+";color:var(--p);font-size:20px;line-height:1}
details.faq[open] summary::after{content:"–"}
details.faq p{color:var(--muted);margin:10px 0 0}

/* test page */
.page-hd{background:linear-gradient(135deg,var(--p) 0%,var(--p-deep) 100%);color:#fff;padding:44px 0}
.page-hd h1{margin:6px 0 8px;font-size:clamp(28px,4vw,42px);letter-spacing:-.025em;line-height:1.1}
.page-hd p{margin:0;opacity:.9;max-width:700px}
.crumb{color:#fff;opacity:.85;text-decoration:none;font-weight:600;font-size:14px}
.part-list{display:grid;gap:12px}
.part-row{display:grid;grid-template-columns:52px 1fr auto;gap:16px;align-items:center;background:#fff;border:1px solid var(--p-line);border-radius:16px;padding:16px 18px}
.part-row .L{width:52px;height:52px;border-radius:14px;background:var(--p-soft);color:var(--p-dark);display:grid;place-items:center;font-weight:800;font-size:20px}
.part-row h4{margin:0;font-size:17px}
.part-row .d{color:var(--muted);font-size:14px;margin:2px 0 6px}
.part-row .tags{display:flex;gap:6px;flex-wrap:wrap}
.tag{font-size:12px;font-weight:700;border-radius:8px;padding:2px 8px;background:#f4f2f8;color:#4b4460}
.tag.sk-speaking{background:#fde9f3;color:#9d174d}
.tag.sk-listening{background:#e6f0ff;color:#1e40af}
.tag.sk-reading{background:#e9f9ef;color:#166534}
.tag.sk-writing{background:#fff3e0;color:#9a3412}
.tag.sk-typing{background:#eef2f6;color:#334155}

.side-card{position:sticky;top:90px}
.layout{display:grid;grid-template-columns:1fr 340px;gap:26px;align-items:start}

/* runner */
.run{max-width:860px;margin:28px auto 60px;padding:0 20px}
.run-top{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--p-line);border-radius:16px 16px 0 0;padding:14px 18px}
.run-top .t{font-weight:800}
.run-top .t small{display:block;font-weight:600;color:var(--muted);font-size:13px}
.run-top .cnt{margin-left:auto;font-weight:700;color:var(--muted);font-size:14px}
.timer{display:flex;align-items:center;gap:8px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--p-dark);min-width:86px;justify-content:flex-end}
.timer svg{width:34px;height:34px;transform:rotate(-90deg)}
.timer circle{fill:none;stroke-width:4}
.timer .bg{stroke:var(--p-soft)}
.timer .fg{stroke:var(--p);transition:stroke-dashoffset .25s linear}
.timer.low .fg{stroke:var(--bad)}
.timer.low{color:var(--bad)}
.timer .lbl{font-size:11px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;display:block;text-align:right;line-height:1}
.progress{height:6px;background:var(--p-soft)}
.progress div{height:100%;background:linear-gradient(90deg,var(--p),#c084fc);transition:width .3s}
.run-body{background:#fff;border:1px solid var(--p-line);border-top:0;border-radius:0 0 16px 16px;padding:28px;min-height:320px}
.run-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:16px;flex-wrap:wrap}

.instr h2{margin:0 0 6px;font-size:26px;letter-spacing:-.02em}
.instr ul{padding-left:20px;color:var(--ink)}
.instr li{margin:4px 0}
.kv{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0 18px}

.prompt-text{font-size:20px;line-height:1.75;background:var(--p-soft);border-radius:14px;padding:20px 22px}
.passage{font-size:16.5px;line-height:1.8;background:#fbfaff;border:1px solid var(--p-line);border-radius:14px;padding:18px 20px;max-height:360px;overflow:auto}
.passage p:first-child{margin-top:0}
.passage p:last-child{margin-bottom:0}
.rc-table{border-collapse:collapse;margin:10px 0;min-width:260px}
.rc-table th,.rc-table td{border:1px solid var(--p-line);padding:6px 14px;text-align:left}
.rc-table th{background:var(--p-soft)}
.phase{display:inline-flex;align-items:center;gap:8px;font-weight:800;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--p-dark);background:var(--p-soft);border-radius:99px;padding:6px 14px;margin-bottom:16px}
.phase.rec{background:var(--bad-soft);color:var(--bad)}
.phase.rec::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--bad);animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.25}}

.listen{display:grid;place-items:center;gap:14px;padding:30px 0;text-align:center;color:var(--muted)}
.wave{display:flex;gap:5px;height:44px;align-items:center}
.wave span{width:6px;border-radius:3px;background:var(--p);animation:wv 1s ease-in-out infinite}
.wave span:nth-child(2){animation-delay:.1s}.wave span:nth-child(3){animation-delay:.2s}.wave span:nth-child(4){animation-delay:.3s}.wave span:nth-child(5){animation-delay:.4s}
@keyframes wv{0%,100%{height:10px}50%{height:42px}}
.mic{width:92px;height:92px;border-radius:50%;display:grid;place-items:center;background:var(--bad-soft);color:var(--bad);position:relative;margin:10px auto}
.mic svg{width:40px;height:40px}
.mic .ring{position:absolute;inset:-8px;border-radius:50%;border:3px solid var(--bad);opacity:.35;transform:scale(var(--lv,1));transition:transform .08s}
.live{min-height:28px;color:var(--muted);font-style:italic;text-align:center;margin-top:8px}

input.blank{font:inherit;font-size:20px;border:0;border-bottom:3px solid var(--p);background:#fff;padding:2px 6px;width:170px;outline:none;color:var(--p-deep);font-weight:700;text-align:center;border-radius:6px 6px 0 0}
textarea.ans,input.ans{width:100%;font:inherit;font-size:16px;border:1.5px solid var(--p-line);border-radius:12px;padding:14px 16px;outline:none;background:#fff;resize:vertical;color:var(--ink)}
textarea.ans:focus,input.ans:focus{border-color:var(--p);box-shadow:0 0 0 4px rgba(124,58,237,.12)}
.wc{font-size:13px;color:var(--muted);text-align:right;margin-top:6px;font-weight:600}
.wc.ok{color:var(--ok)}
label.lbl{font-weight:700;display:block;margin:16px 0 8px}

.opts{display:grid;gap:10px;margin-top:14px}
.opt{display:flex;gap:12px;align-items:center;text-align:left;background:#fff;border:1.5px solid var(--p-line);border-radius:12px;padding:14px 16px;cursor:pointer;font-size:16px;color:var(--ink)}
.opt:hover{border-color:var(--p)}
.opt .k{flex:0 0 30px;height:30px;border-radius:8px;background:var(--p-soft);color:var(--p-dark);display:grid;place-items:center;font-weight:800}
.opt.sel{border-color:var(--p);background:var(--p-soft)}
.opt.right{border-color:var(--ok);background:var(--ok-soft)}
.opt.wrong{border-color:var(--bad);background:var(--bad-soft)}
.q-block{margin-top:22px}
.q-block h4{margin:0 0 4px}

/* feedback */
.fb{border-radius:16px;padding:20px;margin-top:4px}
.fb.good{background:var(--ok-soft)}
.fb.mid{background:var(--warn-soft)}
.fb.low{background:var(--bad-soft)}
.fb.na{background:#f4f2f8}
.fb-score{display:flex;align-items:center;gap:14px;margin-bottom:10px}
.fb-score .big{font-size:34px;font-weight:800;letter-spacing:-.03em}
.fb dl{margin:0;display:grid;grid-template-columns:150px 1fr;gap:6px 14px;font-size:15px}
.fb dt{font-weight:700;color:var(--muted)}
.fb dd{margin:0}
.diff .miss{background:#fecaca;text-decoration:line-through;border-radius:4px;padding:0 3px}
.diff .ok{background:#bbf7d0;border-radius:4px;padding:0 3px}
.diff .extra{background:#fde68a;border-radius:4px;padding:0 3px}
.model{background:#fff;border-radius:12px;padding:12px 14px;margin-top:10px;font-size:15px}
audio{width:100%;margin-top:10px}

/* results */
.res-hero{display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:center}
.gauge{width:180px;height:180px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--p) calc(var(--v)*1%),var(--p-soft) 0)}
.gauge>div{width:146px;height:146px;border-radius:50%;background:#fff;display:grid;place-items:center;text-align:center}
.gauge b{font-size:46px;line-height:1;letter-spacing:-.03em;color:var(--p-deep)}
.gauge small{display:block;color:var(--muted);font-weight:700;font-size:12px;letter-spacing:.08em}
.cefr{display:inline-block;background:var(--p);color:#fff;font-weight:800;border-radius:10px;padding:4px 12px;font-size:18px}
.bars{display:grid;gap:14px;margin-top:8px}
.bar-row{display:grid;grid-template-columns:110px 1fr 70px;gap:12px;align-items:center;font-weight:700}
.bar{height:12px;background:var(--p-soft);border-radius:99px;overflow:hidden}
.bar div{height:100%;background:linear-gradient(90deg,var(--p),#c084fc);border-radius:99px}
.bar-row .v{text-align:right;color:var(--p-deep)}
.review-item{border:1px solid var(--p-line);border-radius:12px;margin-bottom:8px;background:#fff}
.review-item summary{padding:12px 16px;cursor:pointer;display:flex;gap:12px;align-items:center;font-weight:600}
.review-item .body{padding:0 16px 16px}
.sc{margin-left:auto;font-weight:800;border-radius:8px;padding:2px 10px;font-size:13px}
.sc.good{background:var(--ok-soft);color:#166534}.sc.mid{background:var(--warn-soft);color:#92400e}.sc.low{background:var(--bad-soft);color:#991b1b}.sc.na{background:#f4f2f8;color:#4b4460}

.hist{display:grid;gap:8px}
.hist div{display:flex;justify-content:space-between;gap:10px;background:#fff;border:1px solid var(--p-line);border-radius:12px;padding:10px 14px;font-size:14px}

/* sign-up */
.signup{border-color:#cdb6fb;background:linear-gradient(180deg,#fff, #fbf8ff)}
.su-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0 16px}
.su-grid .lbl{margin-top:12px}
.su-err{color:var(--bad);font-size:13px;font-weight:600;min-height:18px;margin-top:4px}
.su-hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.su-consent{display:flex;gap:10px;align-items:flex-start;margin-top:10px;font-size:14px;color:var(--muted);cursor:pointer}
.su-consent input{margin-top:3px;width:18px;height:18px;accent-color:var(--p);flex:0 0 auto}
.su-done{display:flex;gap:16px;align-items:center}
.su-tick{flex:0 0 52px;height:52px;border-radius:50%;background:var(--ok-soft);color:var(--ok);display:grid;place-items:center;font-size:26px;font-weight:800}
@media (max-width:760px){.su-grid{grid-template-columns:1fr}}

/* legal page */
.legal-page h2{font-size:22px;margin:28px 0 8px}
.legal-page p,.legal-page li{color:#3b3450}

/* footer */
.ftr{background:#170b2e;color:#cfc4ea;padding:44px 0 26px;margin-top:40px;font-size:14px}
.ftr a{color:#fff;text-decoration:none}
.ftr .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
.ftr h5{color:#fff;margin:0 0 10px;font-size:15px}
.ftr ul{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.ftr .legal{border-top:1px solid #2d2050;margin-top:30px;padding-top:18px;font-size:12.5px;color:#a49bbd}

.wa-float{position:fixed;right:18px;bottom:18px;z-index:60;width:54px;height:54px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 10px 24px -8px rgba(0,0,0,.4)}
.wa-float svg{width:28px;height:28px;fill:#fff}

.center{text-align:center}
.mt0{margin-top:0}.mt8{margin-top:8px}.mt16{margin-top:16px}.mt24{margin-top:24px}
.muted{color:var(--muted)}
.hide{display:none!important}

@media (max-width:900px){
  .layout{grid-template-columns:1fr}
  .side-card{position:static}
  .grid3{grid-template-columns:1fr}
  .ftr .cols{grid-template-columns:1fr}
}
@media (max-width:760px){
  .grid2{grid-template-columns:1fr}
  .nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:10px 16px;border-bottom:1px solid var(--p-line)}
  .nav.open{display:flex}
  .menu-btn{display:block}
  .hero{padding:48px 0 60px}
  .run-body{padding:20px 16px}
  .run-top{flex-wrap:wrap;padding:12px 14px}
  .run-top .cnt{margin-left:0}
  .timer{margin-left:auto}
  .part-row{grid-template-columns:44px 1fr;padding:14px}
  .part-row .L{width:44px;height:44px;font-size:17px}
  .part-row .go{grid-column:1/-1}
  .part-row .go .btn{width:100%}
  .res-hero{grid-template-columns:1fr;justify-items:center;text-align:center}
  .fb dl{grid-template-columns:1fr}
  .band{padding:28px}
  .prompt-text{font-size:18px}
  .bar-row{grid-template-columns:86px 1fr 56px}
}