:root{--ink:#1b1b1b;--muted:#5b5b5b;--line:#e6e2dd;--red:#c8323f;--paper:#fbfaf8}
*{box-sizing:border-box}body{margin:0;font-family:Inter,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--paper);line-height:1.55}
a{color:var(--red)}header,main,footer{max-width:880px;margin:0 auto;padding:0 22px}
header{display:flex;justify-content:space-between;align-items:center;padding-top:22px;padding-bottom:10px}
header .name{font-weight:700;text-decoration:none;color:var(--ink)}nav a{margin-left:18px;color:var(--muted);text-decoration:none;font-size:.95rem}nav a:hover{color:var(--red)}
.hero{display:grid;grid-template-columns:1.4fr 1fr;gap:34px;align-items:center;padding:42px 0 30px}
.kicker{color:var(--red);font-weight:700;letter-spacing:.14em;font-size:.78rem;text-transform:uppercase}
h1{font-size:2.5rem;line-height:1.1;margin:.3em 0 .4em}h2{font-size:1.5rem;margin:2.2em 0 .6em}h3{margin:1.4em 0 .4em}
.lead{font-size:1.15rem;color:#333}.btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.btn{display:inline-block;padding:11px 18px;border-radius:8px;border:2px solid var(--ink);text-decoration:none;color:var(--ink);font-weight:600}.btn.primary{background:var(--ink);color:#fff}
.cover{background:#fff;border-left:12px solid var(--red);padding:30px 26px;box-shadow:0 10px 30px rgba(0,0,0,.08);min-height:330px;display:flex;flex-direction:column}
.cover b{font-size:1.6rem;line-height:1.15}.cover span{color:var(--muted);margin-top:12px}.cover em{margin-top:auto;font-style:normal;font-weight:700}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px}
.card .k{font-size:.78rem;color:var(--red);font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.sample{background:#fff;border:1px solid var(--line);border-radius:10px;padding:22px}.q{font-size:1.15rem;font-weight:600}
details summary{cursor:pointer;color:var(--red);font-weight:600;margin-top:10px}
form.sub{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}form.sub input{flex:1;min-width:220px;padding:11px;border:1px solid #ccc;border-radius:8px;font:inherit}
.note{font-size:.88rem;color:var(--muted)}footer{border-top:1px solid var(--line);margin-top:56px;padding-top:18px;padding-bottom:40px;font-size:.88rem;color:var(--muted)}
.calc{background:#fff;border:1px solid var(--line);border-radius:10px;padding:22px}.calc label{display:block;font-size:.9rem;color:var(--muted);margin-top:12px}
.calc input,.calc select{width:100%;padding:10px;border:1px solid #ccc;border-radius:8px;font:inherit}.row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.out{margin-top:18px;border-top:2px solid var(--ink);padding-top:12px}.out table{width:100%;border-collapse:collapse}.out td{padding:6px 4px;border-bottom:1px solid var(--line)}.out td:last-child{text-align:right;font-weight:600;font-variant-numeric:tabular-nums}
.verdict{margin-top:12px;padding:10px 12px;border-radius:8px;background:#fbf0f1;border-left:4px solid var(--red)}.verdict.ok{background:#eef6ef;border-left-color:#2f7d3b}
.draft{background:#fff6d6;border:1px solid #e8d48a;padding:8px 12px;border-radius:8px;font-size:.88rem;margin-top:16px}
@media(max-width:720px){.hero,.grid,.row{grid-template-columns:1fr}h1{font-size:2rem}}
.btn.off{opacity:.55;cursor:default;pointer-events:none}

/* v1.1 home (B2) + hubs (B3) + plan (B5) */
.day{border-left:3px solid var(--line);padding:2px 0 2px 12px;margin:10px 0}.day ul{padding-left:18px;margin:4px 0}.day p{margin:4px 0}
.howto,.emailbox{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:12px 0}
@media print{header,footer,.noprint{display:none!important}body{background:#fff}.track{break-before:page}.track:first-of-type{break-before:auto}a{color:inherit;text-decoration:none}}
ol.stages{padding-left:22px}ol.stages>li{margin:10px 0}ol.stages ul.rel{margin-top:4px}span.lv{color:var(--red);font-size:.85rem}
.hero2{padding:26px 0 8px}.hero2 h1{font-size:2.3rem;margin:.25em 0 .2em}.promise{font-size:1.2rem;color:#333;margin:0 0 14px}
.btn.big{font-size:1.1rem;padding:14px 26px}.sub{color:var(--muted);margin-top:12px}.sub a{color:var(--muted)}
.card.hub{text-decoration:none;color:inherit;display:block}.card.hub:hover{border-color:var(--red)}
ul.free12{columns:2;padding-left:20px}ul.free12 li{margin:4px 0;break-inside:avoid}
.bookblock{display:grid;grid-template-columns:1fr 1.6fr;gap:26px;align-items:start}.bookblock .cover{min-height:260px}
@media(max-width:720px){.hero2{padding:14px 0 4px}.hero2 h1{font-size:1.9rem}.bookblock{grid-template-columns:1fr}ul.free12{columns:1}}
/* v1.1 question pages */
.qmeta{width:100%;border-collapse:collapse;font-size:.92rem;margin:10px 0 16px}.qmeta td{padding:5px 6px;border-bottom:1px solid var(--line);vertical-align:top}.qmeta td:first-child{color:var(--muted);width:130px}
.think{background:#eef3fb;border-left:4px solid #3b6fb6;padding:12px 14px;border-radius:6px;margin:14px 0}
.mistake{background:#fff6e6;border-left:4px solid #c98a12;padding:12px 14px;border-radius:6px;margin:14px 0}
.bookref{background:#fbf0f1;border-left:4px solid var(--red);padding:12px 14px;border-radius:6px;margin:14px 0}
.free{display:inline-block;background:#eef6ef;color:#2f7d3b;font-weight:700;font-size:.82rem;padding:4px 10px;border-radius:20px}
details.reveal{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 18px;margin:12px 0}
details.reveal summary{font-size:1rem}
.ans p:first-child{background:#fbf0f1;border-left:3px solid var(--red);padding:8px 10px}
.deep{background:#fff;border:1px solid var(--line);border-radius:10px;padding:6px 20px}.deep.pending{color:var(--muted)}
.deep ul,.ans ul{padding-left:20px}.deep li,.ans li{margin:4px 0}
ul.rel{padding-left:20px}ul.rel li{margin:4px 0}.pn{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.92rem}
nav.crumbs{font-size:.85rem;color:var(--muted);margin:4px 0 10px}nav.crumbs a{color:var(--muted);margin-left:0}
header{flex-wrap:wrap;gap:6px 14px}header nav a:first-child{margin-left:0}@media(max-width:480px){header nav a{margin-left:12px;font-size:.9rem}}
table.qlist{width:100%;border-collapse:collapse}table.qlist td{padding:6px 4px;border-bottom:1px solid var(--line)}table.qlist .id{width:70px;font-weight:700}table.qlist .lv{width:50px;color:var(--red)}table.qlist .dp{width:120px;text-align:right}
table.qlist a{text-decoration:none;color:var(--ink)}table.qlist a:hover{color:var(--red)}
.tag{font-size:.75rem;color:var(--muted);border:1px solid var(--line);border-radius:12px;padding:2px 8px;white-space:nowrap}.tag.free{color:#2f7d3b;border-color:#bcdcc1;background:#eef6ef}