:root{
  --bg:#ffffff; --bg-2:#f4f4f7; --ink:#0e0f33; --ink-soft:#4a4b6a; --ink-faint:#8a8ba3;
  --line:rgba(14,15,51,.10); --line-2:rgba(14,15,51,.18);
  --navy:#0e0f33; --navy-2:#1c1e4d; --white:#ffffff;
  --gold:#0e0f33; --gold-2:rgba(255,255,255,.78); --gold-soft:#f3f3f7; --accent:#4a4b6a;
  --ok:#2f7d5b; --ok-soft:#e7f3ec; --bad:#b9473c; --bad-soft:#f8e9e7; --mid:#b07a1f; --mid-soft:#f7efdf;
  --shadow:0 30px 70px -30px rgba(14,15,51,.28),0 8px 20px -12px rgba(14,15,51,.12);
  --shadow-s:0 12px 30px -18px rgba(14,15,51,.35);
  --f-display:"Forum","Cormorant Garamond",Georgia,serif;
  --f-sans:"Jost","Futura","Century Gothic","Segoe UI",sans-serif;
  --ease:cubic-bezier(.22,.8,.24,1);
  --r:22px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:300 17px/1.65 var(--f-sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
b,strong{font-weight:500}
img{max-width:100%;display:block}
button{font:inherit;color:inherit}
a{color:inherit}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.hidden{display:none!important}
h1,h2,h3{font-family:var(--f-display);font-weight:400;letter-spacing:.01em;margin:0;line-height:1.1}
.eyebrow{font:500 12px/1.3 var(--f-sans);letter-spacing:.34em;text-transform:uppercase;color:var(--ink-soft)}
.muted{color:var(--ink-soft)}
.faint{color:var(--ink-faint)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px 30px;border-radius:999px;border:0;cursor:pointer;
  font:500 13px/1 var(--f-sans);letter-spacing:.16em;text-transform:uppercase;text-decoration:none;
  transition:background .35s var(--ease),box-shadow .35s var(--ease),transform .2s var(--ease),opacity .2s}
.btn:active{transform:scale(.98)}
.btn-main{background:var(--navy);color:var(--white)}
.btn-main:hover{background:var(--navy-2);box-shadow:0 18px 40px -16px rgba(14,15,51,.6)}
.btn-gold{background:#fff;color:var(--navy)}
.btn-gold:hover{box-shadow:0 18px 40px -16px rgba(0,0,0,.6)}
.btn-line{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px var(--line-2)}
.btn-line:hover{box-shadow:inset 0 0 0 1px var(--ink)}
.btn-sm{padding:11px 18px;font-size:11px}
.btn[disabled]{opacity:.4;pointer-events:none}
.link{background:none;border:0;padding:0;cursor:pointer;color:var(--ink-soft);font:500 12px/1 var(--f-sans);letter-spacing:.14em;text-transform:uppercase}
.link:hover{color:var(--ink)}

/* site-like ornaments */
.orn{display:flex;align-items:center;gap:14px;color:var(--ink);margin:14px 0}
.orn i{flex:1;height:1px;background:var(--line-2)}
.orn b{width:7px;height:7px;background:currentColor;transform:rotate(45deg)}
.eyebrow.dot::before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:currentColor;margin-right:10px;vertical-align:middle;position:relative;top:-1px}
.brand img{height:34px;width:auto}
.card-soft{border-radius:18px;background:#fff;box-shadow:var(--shadow)}

/* top bar */
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.86);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.brand{display:flex;align-items:baseline;gap:12px;text-decoration:none;min-width:0}
.brand b{display:none}
.brand span{font:500 10px/1 var(--f-sans);letter-spacing:.22em;text-transform:uppercase;color:var(--ink-faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.who{display:flex;align-items:center;gap:16px;font-size:14px;color:var(--ink-soft)}
.who .nick{max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* login */
.login{min-height:100vh;display:grid;grid-template-columns:1.05fr 1fr}
.login-art{background:var(--navy);color:#fff;padding:56px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.login-art h1{font-size:clamp(44px,6vw,78px);line-height:.95;margin:18px 0 18px}
.login-art p{color:rgba(255,255,255,.72);max-width:420px}
.login-art .eyebrow{color:rgba(255,255,255,.7)}
.login-art svg{position:absolute;right:-40px;bottom:-30px;width:70%;opacity:.9}
.login-form{display:flex;align-items:center;justify-content:center;padding:40px 20px}
.login-card{width:100%;max-width:380px}
.login-card h2{font-size:38px;margin:10px 0 8px}
.field{display:block;margin:18px 0}
.field span{display:block;font:500 11px/1 var(--f-sans);letter-spacing:.18em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:10px}
.input,textarea.input,select.input{width:100%;padding:15px 18px;border-radius:14px;border:1px solid var(--line-2);background:#fff;font:400 16px/1.4 var(--f-sans);color:var(--ink);outline:none;transition:border-color .2s,box-shadow .2s}
.input:focus{border-color:var(--ink);box-shadow:0 0 0 4px rgba(14,15,51,.06)}
textarea.input{resize:vertical;min-height:110px}
.form-err{color:var(--bad);font-size:14px;min-height:22px;margin:4px 0 10px}

/* hero */
.hero{padding:44px 0 10px;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:center}
.hero h1{font-size:clamp(36px,5vw,58px);margin:12px 0 10px}
.ring{--p:0;width:170px;height:170px;position:relative}
.ring svg{transform:rotate(-90deg)}
.ring .val{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.ring .val b{font:400 46px/1 var(--f-display)}
.ring .val small{font:500 10px/1.3 var(--f-sans);letter-spacing:.18em;text-transform:uppercase;color:var(--ink-faint);text-align:center;margin-top:4px}
.stats{display:flex;gap:28px;flex-wrap:wrap;margin-top:18px}
.stat b{display:block;font:400 30px/1 var(--f-display)}
.stat > span{font-size:13px;color:var(--ink-faint)}
.order-ok{margin-top:12px}
.order-ok.done{background:var(--navy);color:#fff;box-shadow:none}

/* welcome letter */
.letter{margin:40px 0 10px;border-radius:28px;background:#fff;box-shadow:inset 0 0 0 1px var(--line);display:grid;grid-template-columns:280px 1fr;gap:10px;padding:26px;position:relative}
.letter img{width:100%;aspect-ratio:3/4;object-fit:cover;object-position:50% 18%;border-radius:400px 400px 22px 22px;box-shadow:var(--shadow);align-self:start}
.letter .txt{padding:8px 18px 4px 26px}
.letter h2{font-size:32px;margin:12px 0 16px}
.letter p{margin:0 0 12px;color:var(--ink-soft);font-size:16px}
.letter .facts{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:999px;background:#fff;font-size:13px;color:var(--ink-soft);box-shadow:inset 0 0 0 1px var(--line)}
.sign{font:400 26px/1 var(--f-display);margin-top:14px}
.letter .toggle{margin-top:6px}
.letter.collapsed .more{display:none}

/* ladder */
.level{margin:54px 0 0}
.level-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:22px}
.level-head h2{font-size:40px;margin-top:8px}
.level-bar{flex:1 1 220px;max-width:320px}
.bar{height:6px;border-radius:6px;background:var(--line);overflow:hidden}
.bar i{display:block;height:100%;width:0;background:var(--navy);border-radius:6px;transition:width 1.2s var(--ease)}
.bar-label{display:flex;justify-content:space-between;font-size:13px;color:var(--ink-faint);margin-bottom:8px}
.ladder{display:grid;gap:18px;grid-template-columns:repeat(2,1fr);align-items:end}
.step{position:relative;border-radius:var(--r);padding:26px 26px 24px;background:#fff;box-shadow:inset 0 0 0 1px var(--line);transition:transform .4s var(--ease),box-shadow .4s var(--ease);display:flex;flex-direction:column;min-height:240px}
.step:nth-child(2){margin-bottom:40px}
.step.open{box-shadow:inset 0 0 0 1.5px var(--ink),var(--shadow);cursor:pointer}
.step.open:hover,.step.done:hover{transform:translateY(-4px)}
.step.done{background:var(--navy);color:#fff;cursor:pointer;box-shadow:var(--shadow)}
.step.done .faint,.step.done .muted{color:rgba(255,255,255,.62)}
.step.locked{background:var(--bg-2);box-shadow:none}
.step.locked .step-title,.step.locked ul{opacity:.55}
.step .num{font:400 64px/0.8 var(--f-display);color:var(--ink);margin-bottom:14px}
.step.done .num{color:#fff}
.step-title{font:500 12px/1 var(--f-sans);letter-spacing:.2em;text-transform:uppercase}
.step ul{list-style:none;padding:0;margin:14px 0 18px;font-size:15px;flex:1}
.step li{padding:6px 0;border-top:1px solid var(--line);display:flex;gap:10px}
.step.done li{border-color:rgba(255,255,255,.12)}
.step li em{font-style:normal;color:var(--ink-faint);min-width:18px}
.step .foot{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.state{display:inline-flex;align-items:center;gap:8px;font-size:13px}
.mini-ring{width:44px;height:44px}
.lock-ico{width:18px;height:18px;opacity:.6}
.pill{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;font:500 11px/1 var(--f-sans);letter-spacing:.12em;text-transform:uppercase}
.pill.ok{background:var(--ok-soft);color:var(--ok)}
.pill.bad{background:var(--bad-soft);color:var(--bad)}
.pill.mid{background:var(--mid-soft);color:var(--mid)}
.pill.self{background:var(--gold-soft);color:var(--ink-soft)}
.pill.new{background:var(--navy);color:#fff}
.pill.empty{background:var(--bg-2);color:var(--ink-faint)}

/* day page */
.day-head{padding:34px 0 8px}
.day-head h1{font-size:clamp(40px,6vw,64px);margin:10px 0 6px}
.progress-sticky{position:sticky;top:64px;z-index:15;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding:12px 0;border-bottom:1px solid var(--line);margin-bottom:10px}
.progress-sticky .wrap{display:flex;align-items:center;gap:16px}
.progress-sticky .bar{flex:1}
.progress-sticky small{font-size:13px;color:var(--ink-soft);white-space:nowrap}
.lesson-h{margin:46px 0 18px;display:flex;gap:16px;align-items:baseline}
.lesson-h .eyebrow{white-space:nowrap}
.lesson-h h2{font-size:30px}
.task{border-radius:var(--r);background:#fff;box-shadow:inset 0 0 0 1px var(--line);padding:26px 28px 26px;margin:0 0 18px;transition:box-shadow .3s}
.task.filled{box-shadow:inset 0 0 0 1px var(--line-2)}
.task-top{display:flex;align-items:flex-start;gap:16px;margin-bottom:18px}
.tnum{flex:none;min-width:52px;height:34px;padding:0 10px;border-radius:999px;background:var(--bg-2);display:flex;align-items:center;justify-content:center;font:500 14px/1 var(--f-sans);letter-spacing:.06em}
.task.filled .tnum{background:var(--navy);color:#fff}
.task-q{font-size:18px;line-height:1.5;padding-top:4px}
.task-type{display:block;margin-top:6px;font:500 10px/1 var(--f-sans);letter-spacing:.2em;text-transform:uppercase;color:var(--ink-faint)}

/* single */
.opts{display:grid;gap:10px}
.opt{display:flex;align-items:center;gap:14px;text-align:left;width:100%;padding:15px 18px;border-radius:16px;border:0;background:var(--bg-2);cursor:pointer;transition:background .25s,box-shadow .25s,transform .15s;line-height:1.4}
.opt:hover{background:#efede8}
.opt .let{flex:none;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:inset 0 0 0 1px var(--line-2);font:500 13px/1 var(--f-sans);background:#fff;transition:all .25s}
.opt.sel{background:#fff;box-shadow:inset 0 0 0 1.5px var(--ink)}
.opt.sel .let{background:var(--navy);color:#fff;box-shadow:none}
.opt.is-ok{background:var(--ok-soft);box-shadow:inset 0 0 0 1.5px var(--ok)}
.opt.is-ok .let{background:var(--ok);color:#fff;box-shadow:none}
.opt.is-bad{background:var(--bad-soft);box-shadow:inset 0 0 0 1.5px var(--bad)}
.opt.is-bad .let{background:var(--bad);color:#fff;box-shadow:none}
.opt[disabled]{cursor:default}
.opt .tag{margin-left:auto;font:500 10px/1 var(--f-sans);letter-spacing:.14em;text-transform:uppercase;white-space:nowrap}

/* list / case */
.list-row{display:flex;gap:12px;align-items:center;margin:10px 0}
.list-row .n{flex:none;width:34px;height:34px;border-radius:50%;border:1px solid var(--line-2);color:var(--ink);display:flex;align-items:center;justify-content:center;font:500 14px/1 var(--f-sans)}
.case-part{margin:16px 0}
.case-part label{display:block;font-weight:500;margin-bottom:8px}
.case-part textarea{min-height:80px}

/* match */
.match-right{display:grid;gap:8px;margin-bottom:18px}
.mr{display:flex;gap:12px;align-items:flex-start;padding:10px 14px;border-radius:12px;background:var(--bg-2);font-size:15px;line-height:1.4;transition:opacity .25s}
.mr .L{flex:none;width:26px;height:26px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font:500 13px/1 var(--f-sans)}
.mr.used{opacity:.45}
.ml{display:flex;align-items:center;gap:14px;padding:12px 0;border-top:1px solid var(--line);flex-wrap:wrap}
.ml .name{flex:1 1 180px;font-weight:500}
.letters{display:flex;gap:6px;flex-wrap:wrap}
.lb{width:38px;height:38px;border-radius:10px;border:0;background:var(--bg-2);cursor:pointer;font:500 14px/1 var(--f-sans);transition:all .2s}
.lb:hover{background:#ebe8e1}
.lb.sel{background:var(--navy);color:#fff}
.lb.taken{opacity:.35}
.lb.is-ok{background:var(--ok);color:#fff}
.lb.is-bad{background:var(--bad);color:#fff}
.lb.is-should{box-shadow:inset 0 0 0 2px var(--ok);color:var(--ok);background:#fff}

/* order */
.order{display:grid;gap:10px}
.oi{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:16px;background:#fff;box-shadow:inset 0 0 0 1px var(--line-2);transition:transform .35s var(--ease),box-shadow .2s;user-select:none}
.oi .pos{flex:none;width:30px;height:30px;border-radius:50%;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:center;font:500 13px/1 var(--f-sans)}
.oi .t{flex:1}
.oi .mv{display:flex;gap:6px}
.oi .mv button{width:36px;height:36px;border-radius:10px;border:0;background:var(--bg-2);cursor:pointer;font-size:16px}
.oi .mv button:hover{background:#ebe8e1}
.oi.is-ok{box-shadow:inset 0 0 0 1.5px var(--ok);background:var(--ok-soft)}
.oi.is-bad{box-shadow:inset 0 0 0 1.5px var(--bad);background:var(--bad-soft)}
.risk-axis{display:flex;align-items:center;gap:12px;margin:14px 4px 0;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint)}
.risk-axis i{flex:1;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--ok),var(--mid),var(--bad))}

/* arrows */
.arrows{width:100%;border-collapse:separate;border-spacing:8px}
.arrows th{font:500 11px/1.3 var(--f-sans);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint);text-align:center;padding:4px}
.arrows td{text-align:center}
.arw{width:100%;max-width:150px;height:76px;border-radius:16px;border:0;background:var(--bg-2);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:background .25s,transform .2s}
.arw:hover{background:#ebe8e1}
.arw svg{width:34px;height:34px;transition:transform .35s var(--ease)}
.arw.fixed{background:var(--navy);cursor:default}
.arw .q{font:400 30px/1 var(--f-display);color:var(--ink-faint)}
.arw.is-ok{box-shadow:inset 0 0 0 2px var(--ok);background:var(--ok-soft)}
.arw.is-bad{box-shadow:inset 0 0 0 2px var(--bad);background:var(--bad-soft)}
.rowlabel{font-size:14px;color:var(--ink-soft)}

/* numbers / table */
.num-row{display:flex;align-items:center;gap:12px;margin:10px 0;flex-wrap:wrap}
.num-row label{flex:1 1 260px}
.num-in{display:flex;align-items:center;gap:8px}
.num-in .input{width:130px;text-align:right}
.num-in.is-ok .input{border-color:var(--ok);background:var(--ok-soft)}
.num-in.is-bad .input{border-color:var(--bad);background:var(--bad-soft)}
.tbl{width:100%;border-collapse:collapse}
.tbl th{font:500 11px/1.3 var(--f-sans);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-faint);text-align:left;padding:8px 8px}
.tbl td{padding:8px;border-top:1px solid var(--line);vertical-align:middle}
.tbl td:first-child{font-weight:500;white-space:nowrap}
.seg{display:inline-flex;flex-wrap:wrap;gap:6px}
.seg button{padding:10px 14px;border-radius:999px;border:0;background:var(--bg-2);cursor:pointer;font-size:14px;transition:all .2s}
.seg button.sel{background:var(--navy);color:#fff}
.seg button.is-ok{background:var(--ok);color:#fff}
.seg button.is-bad{background:var(--bad);color:#fff}
.seg button.is-should{box-shadow:inset 0 0 0 2px var(--ok);color:var(--ok);background:#fff}

/* ytm calculator */
.calc{display:grid;gap:14px}
.cstep{border-radius:18px;background:var(--bg-2);padding:16px 18px}
.cstep h4{margin:0 0 12px;font:500 12px/1.3 var(--f-sans);letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft)}
.cstep h4 b{color:var(--ink);margin-right:8px}
.crow{display:flex;align-items:flex-end;gap:8px;flex-wrap:wrap}
.cf{display:flex;flex-direction:column;gap:6px;flex:1 1 110px;min-width:100px}
.cf span{font-size:12px;color:var(--ink-faint)}
.cf .input{padding:11px 12px;text-align:right;font-size:15px}
.cf.total .input{border-color:var(--ink);background:#fff}
.cf.total.good .input{border-color:var(--ok);box-shadow:0 0 0 3px rgba(47,125,91,.12)}
.cf.total.badv .input{border-color:var(--bad)}
.op{flex:none;font:400 26px/1 var(--f-display);color:var(--ink-faint);padding-bottom:10px;width:18px;text-align:center}
.calc-result{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:18px 22px;border-radius:18px;background:var(--navy);color:#fff}
.calc-result b{font:400 40px/1 var(--f-display);color:#fff}
.calc-hint{font-size:13px;color:var(--ink-faint)}

/* feedback */
.fb{margin-top:18px;border-radius:16px;padding:16px 18px;background:var(--gold-soft);font-size:15px;line-height:1.55}
.fb .lbl{display:block;font:500 10px/1 var(--f-sans);letter-spacing:.24em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:8px}
.fb.model{background:var(--bg-2)}
.fb.model .lbl{color:var(--ink-soft)}
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}
.cmp > div{border-radius:16px;padding:14px 16px;font-size:15px;line-height:1.5}
.cmp .yours{background:#fff;box-shadow:inset 0 0 0 1px var(--line-2)}
.cmp .ref{background:var(--ok-soft)}
.cmp .lbl{display:block;font:500 10px/1 var(--f-sans);letter-spacing:.2em;text-transform:uppercase;color:var(--ink-faint);margin-bottom:8px}
.cmp .ref .lbl{color:var(--ok)}
.cmp ol{margin:0;padding-left:20px}
.task-status{margin-left:auto;flex:none}

.submit-zone{margin:40px 0 80px;padding:34px;border-radius:28px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.submit-zone h3{font-size:30px}
.submit-zone p{margin:6px 0 0;color:rgba(255,255,255,.7);font-size:15px}
.save-note{font-size:12px;color:var(--ink-faint);min-width:110px;text-align:right}

/* results banner */
.result{margin:26px 0 10px;border-radius:28px;background:var(--navy);color:#fff;padding:34px;display:grid;grid-template-columns:auto 1fr;gap:34px;align-items:center;position:relative;overflow:hidden}
.result h2{font-size:clamp(30px,4vw,44px);margin:10px 0 10px}
.result p{color:rgba(255,255,255,.72);margin:0}
.result .ring .val small{color:rgba(255,255,255,.6)}
.result .legend{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.result .legend .pill{background:rgba(255,255,255,.1);color:#fff}
.comment{margin:16px 0 10px;border-radius:24px;padding:24px 26px;background:var(--gold-soft);display:flex;gap:18px;align-items:flex-start}
.comment img{width:54px;height:54px;border-radius:50%;object-fit:cover;object-position:50% 15%;flex:none}
.comment .lbl{font:500 10px/1 var(--f-sans);letter-spacing:.24em;text-transform:uppercase;color:var(--ink-soft)}
.comment p{margin:8px 0 0;white-space:pre-wrap}

/* modal */
.modal{position:fixed;inset:0;background:rgba(14,15,51,.45);z-index:50;display:flex;align-items:center;justify-content:center;padding:20px;animation:fade .25s}
.modal .box{background:#fff;border-radius:26px;padding:30px;max-width:440px;width:100%;box-shadow:var(--shadow);animation:pop .35s var(--ease)}
.modal h3{font-size:30px;margin-bottom:10px}
.modal .acts{display:flex;gap:10px;justify-content:flex-end;margin-top:22px;flex-wrap:wrap}
@keyframes fade{from{opacity:0}}
@keyframes pop{from{opacity:0;transform:translateY(14px) scale(.98)}}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--navy);color:#fff;padding:12px 20px;border-radius:999px;font-size:14px;z-index:60;animation:pop .3s var(--ease)}
.fade-in{animation:pop .5s var(--ease) both}
.center-msg{padding:120px 20px;text-align:center;color:var(--ink-soft)}
footer{padding:40px 0 50px;color:var(--ink-faint);font-size:13px;text-align:center}
canvas.confetti{position:fixed;inset:0;pointer-events:none;z-index:70}

@media (max-width:820px){
  .login{grid-template-columns:1fr}
  .login-art{padding:30px 20px;min-height:250px}
  .login-art h1{font-size:44px}
  .login-art svg{width:80%;opacity:.3}
  .login-card h2{font-size:30px}
  .hero{grid-template-columns:1fr;padding-top:26px;gap:18px}
  .hero h1{font-size:34px}
  .hero .ring{display:none}
  .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
  .stat > span{font-size:12px;line-height:1.3;display:block;margin-top:4px}
  .ring .val b{font-size:34px}
  .stats{gap:20px}
  .stat b{font-size:24px}
  .letter{grid-template-columns:1fr;padding:18px}
  .letter img{max-width:220px;margin:0 auto}
  .letter .txt{padding:6px 2px 2px}
  .letter h2{font-size:24px}
  .level{margin-top:40px}
  .level-head h2{font-size:30px}
  .ladder{grid-template-columns:1fr;gap:12px}
  .step{min-height:0;padding:20px}
  .step:nth-child(2){margin-bottom:0}
  .step .num{font-size:46px}
  .day-head h1{font-size:34px}
  .lesson-h{margin:32px 0 14px;flex-direction:column;gap:8px}
  .lesson-h h2{font-size:24px}
  .task{padding:18px 16px;border-radius:18px}
  .cmp{grid-template-columns:1fr}
  .result{grid-template-columns:1fr;padding:24px 20px;gap:18px}
  .result h2{font-size:26px}
  .submit-zone{padding:24px 20px}
  .submit-zone h3{font-size:24px}
  .brand span{display:none}
  .progress-sticky{top:56px}
  .top .wrap{height:56px}
  .brand img{height:28px}
}
@media (max-width:480px){
  .wrap{padding:0 16px}
  body{font-size:15px;line-height:1.55}
  .task-q{font-size:15.5px;padding-top:6px}
  .task-top{gap:12px;margin-bottom:14px}
  .tnum{min-width:42px;height:30px;font-size:12px}
  .opt{padding:12px 14px;gap:12px;font-size:15px}
  .opt .let{width:26px;height:26px;font-size:12px}
  .mr{font-size:14px;padding:9px 12px}
  .ml{gap:10px}
  .lb{width:34px;height:34px}
  .input,textarea.input{font-size:16px;padding:12px 14px}
  .arw{height:60px}
  .arw svg{width:28px;height:28px}
  .tbl td:first-child{white-space:normal}
  .fb,.cmp > div{font-size:14px}
  .step ul{font-size:14px}
  .letter p{font-size:15px}
  .eyebrow{font-size:10.5px;letter-spacing:.26em}
  .btn{padding:14px 22px;font-size:12px}
  .calc-result b{font-size:30px}
}