*{box-sizing:border-box}
[hidden]{display:none!important}
img{max-width:100%}
html,body{margin:0}
/* Layout: многостраничный сайт (Главная, Книги, Канон, Карта Разлома). Сверху на каждой странице — Земля из космоса, меню висит в воздухе. Единый тёмный космический мир. */
:root{
  --void:#070618;
  --hull:#0e0c2a;
  --panel:#141136;
  --line:#2a2560;
  --text:#e6e4ff;
  --dim:#a9a4dc;
  --violet:#9b6bff;
  --cyan:#45b4ff;
  --ice:#e4f6ff;
  --shadow:#ff4d8d;
  --f-display:"Unbounded","Arial Black",system-ui,sans-serif;
  --f-body:"Onest","Segoe UI",system-ui,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  color-scheme:dark;
}
*{box-sizing:border-box}
body{background:var(--void);color:var(--text);font-family:var(--f-body);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.wrap{position:relative;z-index:1;max-width:980px;margin:0 auto;padding-inline:20px}
a{color:var(--cyan)}
a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* ---------- top menu: floats in the air ---------- */
.topnav{position:absolute;top:env(safe-area-inset-top,0px);left:0;right:0;z-index:10;padding-block:18px;padding-inline:20px}
.topnav ul{list-style:none;margin:0 auto;padding:0;max-width:1100px;display:flex;flex-wrap:wrap;justify-content:center;gap:6px 30px}
.topnav a{display:block;padding:6px 2px;color:var(--ice);text-decoration:none;font-family:var(--f-display);font-weight:400;font-size:14px;letter-spacing:.08em;text-transform:uppercase;text-shadow:0 0 12px rgba(7,6,24,.9),0 0 2px rgba(7,6,24,.9);border-bottom:1px solid transparent;transition:border-color .2s,text-shadow .2s}
.topnav a:hover{text-shadow:0 0 14px rgba(69,180,255,.9)}
.topnav a.on{border-bottom-color:var(--ice)}

/* ---------- hero over Earth ---------- */
.hero{position:relative;background:linear-gradient(to bottom,rgba(7,6,24,.2),rgba(7,6,24,0) 40%,rgba(7,6,24,.25) 75%,var(--void) 100%),url("../images/earth.jpg") center 62%/cover no-repeat}
.hero-in{position:relative;z-index:1;max-width:1100px;margin:0 auto;padding-inline:20px;display:flex;flex-direction:column;align-items:center;text-align:center}
.uxw{font-family:var(--f-mono);font-size:13px;letter-spacing:.3em;text-transform:uppercase;color:#fff;text-shadow:0 0 10px rgba(7,6,24,.8)}
.logo{width:min(600px,92%);height:auto;filter:drop-shadow(0 0 26px rgba(69,180,255,.45))}

.hero-home{min-height:clamp(620px,62vw,820px)}
.hero-home .hero-in{min-height:inherit;padding-block:96px 48px;justify-content:flex-start;gap:26px}
.hero-home .top{display:grid;justify-items:center;gap:20px}
.hero-home .intro{padding-block:0;gap:14px}
.hero-home .intro h2,.hero-home .intro p{text-shadow:0 2px 14px rgba(7,6,24,.95),0 0 4px rgba(7,6,24,.9)}
.hero-home .intro p{color:var(--ice)}
.hero-home .intro h2 em{text-shadow:none;background-image:linear-gradient(90deg,#7fd0ff,#c2a4ff);filter:drop-shadow(0 2px 10px rgba(7,6,24,.95))}
.hero-home .top{display:grid;justify-items:center;gap:20px}

.hero-canon{min-height:clamp(580px,60vw,780px)}
.hero-canon .hero-in{min-height:inherit;padding-block:96px 40px;justify-content:space-between}
.hero-canon h1{font-family:var(--f-display);font-weight:600;font-size:clamp(26px,4.6vw,44px);line-height:1.15;margin:16px 0 0;color:#fff;text-wrap:balance;text-shadow:0 0 22px rgba(7,6,24,.85)}
.hero-canon .top{display:grid;justify-items:center;gap:20px}
.hero-canon h1{margin-top:0}
.hero-canon .bottom{display:grid;justify-items:center;gap:22px}
.legend{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.tag{font-family:var(--f-mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;padding:6px 11px;border:1px solid currentColor;border-radius:3px;background:rgba(7,6,24,.6)}
.t-canon{color:var(--cyan)} .t-link{color:var(--violet)} .t-open{color:var(--shadow)}
.memo{display:grid;gap:6px;justify-items:center}
.memo p{margin:0;max-width:60ch;color:#fff;font-size:17px;text-shadow:0 1px 10px rgba(0,0,0,.9)}
.memo .meta{font-family:var(--f-mono);font-size:13px;color:var(--ice);letter-spacing:.06em}

.hero-short{min-height:280px}
.hero-short .hero-in{padding-block:100px 36px;gap:10px}
.hero-short h1{font-family:var(--f-display);font-weight:800;font-size:clamp(28px,5vw,48px);margin:0;color:#fff;line-height:1.1;text-shadow:0 0 22px rgba(7,6,24,.85)}
.hero-short p{margin:0;color:var(--ice);max-width:56ch;text-shadow:0 1px 10px rgba(0,0,0,.9)}

/* ---------- pages ---------- */
.page[hidden]{display:none}

/* home */
.intro{padding-block:56px 16px;display:grid;gap:18px;justify-items:center;text-align:center}
.intro h2{font-family:var(--f-display);font-weight:800;font-size:clamp(24px,4vw,38px);line-height:1.2;margin:0;max-width:24ch;text-wrap:balance;color:#fff}
.intro h2 em{font-style:normal;background:linear-gradient(90deg,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.intro p{margin:0;max-width:62ch;color:var(--dim);font-size:18px}
.ring7{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:10px;padding-block:34px 10px}
.r7{display:grid;gap:8px;justify-items:center;text-align:center;text-decoration:none;color:var(--text)}
.r7 .dot{width:54px;height:54px;border-radius:50%;display:grid;place-items:center;font-family:var(--f-display);font-weight:800;font-size:18px;color:var(--void);background:radial-gradient(circle at 35% 30%,#fff,var(--c) 40%,#120a22 100%);box-shadow:0 0 22px color-mix(in srgb,var(--c) 55%,transparent);transition:transform .2s}
.r7:hover .dot{transform:scale(1.08)}
.r7 .nm{font-size:13px;line-height:1.3;color:var(--dim);text-wrap:balance}
.cta{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;padding-block:28px 16px}
.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--f-display);font-weight:600;font-size:14px;letter-spacing:.04em;text-decoration:none;color:var(--void);background:var(--ice);border:1px solid var(--ice);border-radius:4px;padding:12px 20px;cursor:pointer}
.btn.ghost{background:transparent;color:var(--ice)}
.btn:hover{box-shadow:0 0 22px rgba(69,180,255,.45)}
.btn[aria-disabled="true"]{cursor:default;opacity:.55;box-shadow:none}

/* books */
.books{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:22px;padding-block:20px 10px}
.book{display:flex;flex-direction:column;gap:12px;min-width:0}
.book .btn{margin-top:auto}
.cover{aspect-ratio:2/3;max-width:100%;border-radius:4px 10px 10px 4px;position:relative;overflow:hidden;padding:18px 16px;display:flex;flex-direction:column;justify-content:space-between;
  background:radial-gradient(120% 70% at 50% 110%,color-mix(in srgb,var(--c) 70%,transparent),transparent 60%),linear-gradient(160deg,#17123c,#07061a 70%);
  border:1px solid color-mix(in srgb,var(--c) 45%,transparent);box-shadow:inset 6px 0 0 rgba(0,0,0,.35),0 14px 30px rgba(0,0,0,.45)}
.cover::after{content:"";position:absolute;left:-20%;right:-20%;bottom:16%;height:2px;background:var(--c);box-shadow:0 0 18px 4px var(--c);opacity:.8;border-radius:50%}
.cover .cn{font-family:var(--f-mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--ice)}
.cover .ct{font-family:var(--f-display);font-weight:800;font-size:19px;line-height:1.2;color:#fff;text-wrap:balance;text-shadow:0 0 16px rgba(0,0,0,.6)}
.cover .ca{font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;color:var(--ice);text-transform:uppercase;position:relative;z-index:1}
.book .bt{font-family:var(--f-display);font-weight:600;font-size:16px;line-height:1.3;margin:0}
.book .bd{margin:0;font-size:14px;color:var(--dim);line-height:1.5}
.book .st{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase}
.book.ready .st{color:var(--cyan)} .book.soon .st{color:var(--dim)}
.book.soon .cover{filter:saturate(.45) brightness(.8)}
.book .btn{justify-content:center;font-size:13px;padding:10px 14px}
.shelf{font-family:var(--f-display);font-weight:600;font-size:20px;color:#fff;margin:44px 0 0;letter-spacing:.02em}
.cover .ct small{display:block;font-family:var(--f-body);font-weight:500;font-size:14px;color:var(--ice);margin-top:8px}
.note-books{max-width:68ch;color:var(--dim);font-size:15px;padding-block:6px 0}

/* canon */
.secnav{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:rgba(7,6,24,.88);backdrop-filter:blur(10px);border-block:1px solid var(--line)}
.secnav ul{list-style:none;margin:0 auto;max-width:980px;padding:0 12px;display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.secnav ul::-webkit-scrollbar{display:none}
.secnav button{all:unset;display:block;white-space:nowrap;padding:12px 10px;color:var(--dim);font-family:var(--f-mono);font-size:13px;border-bottom:2px solid transparent;cursor:pointer}
.secnav button:hover,.secnav button.on{color:var(--text);border-bottom-color:var(--cyan)}
.secnav button:focus-visible{outline:2px solid var(--cyan)}
section{padding-block:56px 8px;scroll-margin-top:60px}
.sec-head{display:flex;align-items:baseline;gap:14px;margin-bottom:18px;border-bottom:1px solid var(--line);padding-bottom:12px}
.sec-head .code{font-family:var(--f-mono);font-size:12px;color:var(--cyan);letter-spacing:.1em}
.sec-head h2{font-family:var(--f-display);font-weight:800;font-size:clamp(24px,4.2vw,36px);margin:0;line-height:1.15;letter-spacing:.01em;text-wrap:balance;
  background:linear-gradient(90deg,var(--cyan),var(--violet));-webkit-background-clip:text;background-clip:text;color:transparent}
.prose{max-width:68ch}
.prose p{margin:0 0 14px}
.lead{font-size:20px;line-height:1.55;color:var(--text)}
.note{max-width:68ch;margin:18px 0;padding:14px 18px;background:var(--panel);border-left:3px solid var(--cyan);border-radius:0 6px 6px 0}
.note.link{border-left-color:var(--violet)}
.note.rule{border-left-color:var(--shadow)}
.note b{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;display:block;margin-bottom:4px;color:var(--cyan)}
.note.link b{color:var(--violet)} .note.rule b{color:var(--shadow)}
ul.dots,ol.steps{max-width:68ch;padding-left:22px;margin:0 0 14px}
ul.dots li,ol.steps li{margin-bottom:8px}
ul.dots li::marker{color:var(--violet)}
ol.steps li::marker{color:var(--cyan);font-family:var(--f-mono);font-weight:600}
.sign-row{display:grid;grid-template-columns:180px 1fr;gap:28px;align-items:center;margin-bottom:22px}
.sign-row > *{min-width:0}
.sign svg{width:100%;max-width:180px;height:auto;filter:drop-shadow(0 0 14px rgba(255,77,141,.5))}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px}
.table-wrap table{width:100%;border-collapse:collapse;font-size:15px}
.table-wrap th{font-family:var(--f-mono);font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);text-align:left;padding:12px 16px;background:var(--hull);border-bottom:1px solid var(--line)}
.table-wrap td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.table-wrap tr:last-child td{border-bottom:0}
.table-wrap td:first-child{font-weight:600;white-space:nowrap}
.tri{display:grid;gap:10px}
.tri .row{display:grid;grid-template-columns:44px minmax(0,1fr);gap:14px;padding:16px 18px;background:var(--hull);border:1px solid var(--line);border-radius:8px}
.tri .n{font-family:var(--f-display);font-weight:800;font-size:22px;color:var(--c)}
.tri h3{font-family:var(--f-display);font-weight:600;font-size:17px;margin:0 0 6px}
.tri p{margin:0 0 6px;font-size:15px;color:var(--dim)}
.tri p b{color:var(--text);font-weight:600}
.tri .empty{color:var(--shadow);font-family:var(--f-mono);font-size:13px}
.links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.lk{background:var(--hull);border:1px solid var(--line);border-radius:8px;padding:16px 18px}
.lk .path{font-family:var(--f-mono);font-size:13px;color:var(--violet);margin-bottom:6px}
.lk .path span{color:var(--cyan)}
.lk p{margin:0;font-size:15px;color:var(--dim)}
.lk.direct{border-color:var(--cyan);box-shadow:0 0 0 1px var(--cyan) inset,0 0 24px rgba(69,180,255,.15)}
.lk.direct .badge{display:inline-block;font-style:normal;font-family:var(--f-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--void);background:var(--cyan);padding:2px 6px;border-radius:2px;margin-left:6px;vertical-align:middle}
.galaxies{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:18px 0 22px}
.gx{border:1px solid var(--line);border-radius:8px;padding:14px;background:var(--hull)}
.gx .g{font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;color:var(--dim);text-transform:uppercase}
.gx .h{font-family:var(--f-display);font-weight:600;font-size:16px;margin:6px 0 2px}
.gx .w{font-size:14px;color:var(--dim)}
.gx .st{margin-top:10px;font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase}
.gx.ready{border-color:var(--cyan)} .gx.ready .st{color:var(--cyan)}
.gx .st.plan{color:var(--violet)}
.page blockquote{margin:6px 0 0;padding-left:14px;border-left:2px solid var(--violet);font-style:italic;color:var(--text)}
.open{display:grid;gap:12px;max-width:760px}
.oq{display:grid;grid-template-columns:28px 1fr;gap:12px;padding:16px 18px;border:1px dashed var(--shadow);border-radius:8px;background:rgba(255,77,141,.05)}
.oq .q{font-family:var(--f-display);font-weight:800;color:var(--shadow);font-size:20px;line-height:1.2}
.oq > div{min-width:0}
.oq p{margin:4px 0 0;color:var(--dim);font-size:15px}

footer{padding-block:64px 48px;text-align:center;font-family:var(--f-mono);font-size:12px;color:var(--dim);letter-spacing:.14em}
footer .fl{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 22px;margin-bottom:14px}
footer .fl a{color:var(--ice);text-decoration:none}

@media (max-width:760px){
  body{font-size:16px}
  .topnav ul{gap:4px 18px}
  .topnav a{font-size:12px}
  .ring7{grid-template-columns:repeat(4,minmax(0,1fr));row-gap:22px}
  .links{grid-template-columns:1fr}
  .galaxies{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sign-row{grid-template-columns:1fr;justify-items:center}
  .sign svg{max-width:130px}
  .table-wrap td:first-child{white-space:normal;width:40%}
  .table-wrap td,.table-wrap th{padding:10px 12px}
  .books{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .cover .ct{font-size:15px}
  .hero-canon .hero-in{padding-block:84px 32px}
  .hero-home .hero-in{padding-top:84px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}