@import url("https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600&family=IBM+Plex+Sans:wght@400;500;600&family=JetBrains+Mono:wght@400;600&display=swap");

/* ============================================================
   M1 Studio — общая тема сайта. Один файл на все страницы.
   Чёрный + фиолетовый, страница всегда тёмная.
   Страничные особенности (ленты, таблицы, графики) — в самих
   страницах, ниже подключения этого файла.
   ============================================================ */

:root{
  /* поверхности и текст */
  --bg:#08070c;
  --bg-deep:#050409;
  --surface:#111019;
  --surface2:#181626;
  --panel:#111019;
  --panel2:#181626;
  --ink:#f4f2f8;
  --text:#f4f2f8;
  --ink2:#b3aec6;
  --dim:#b3aec6;
  --muted:#7d788f;
  --grid:#241f36;
  --line:#241f36;
  --ring:rgba(167,139,250,.14);
  /* фирменный фиолетовый */
  --violet:#a370ff;
  --violet-deep:#6d28d9;
  --violet-soft:#cbb2ff;
  --glow:rgba(140,86,255,.28);
  --accent:#a370ff;
  --accent-ink:#c2a4ff;
  --badge:#c2a4ff;
  /* смысловые цвета — подсвечены под тёмный фиолетовый фон */
  --ok:#35d29a;
  --green:#35d29a;
  --warn:#ff8a4d;
  --gold:#f0c05a;
  --red:#f2607a;
  --danger-ink:#b3aec6;
  /* роли обработки */
  --c-eq:#4d9dff;
  --c-comp:#ff8a4d;
  --c-dyn:#35d29a;
  /* зоны спектра */
  --c-body:#4d9dff;
  --c-attack:#ff8a4d;
  --c-air:#35d29a;
  --c-cut:#f2607a;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%; background:var(--bg)}
body{
  margin:0; padding:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15px; line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
/* фоновая подсветка + тонкая сетка — одинаково на всех страницах */
body::before{
  content:""; position:fixed; inset:0; z-index:-2; pointer-events:none;
  background:
    radial-gradient(1100px 520px at 12% -8%, rgba(124,58,237,.30), transparent 62%),
    radial-gradient(760px 420px at 92% 4%, rgba(168,85,247,.16), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 70%);
}
body::after{
  content:""; position:fixed; inset:0; z-index:-1; pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(163,112,255,.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(163,112,255,.05) 1px, transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.85), transparent 70%);
  mask-image:linear-gradient(180deg, rgba(0,0,0,.85), transparent 70%);
}
a{color:var(--violet-soft)}
::selection{background:rgba(140,86,255,.35); color:#fff}
:focus-visible{outline:2px solid var(--violet); outline-offset:3px; border-radius:6px}

/* ---------------- шапка ---------------- */
.m1a-nav{position:sticky; top:0; z-index:999;
  background:rgba(8,7,12,.82);
  -webkit-backdrop-filter:blur(12px); backdrop-filter:blur(12px);
  border-bottom:1px solid var(--grid);
  font-family:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;}
.m1a-nav-in{max-width:1080px; margin:0 auto; padding:11px 16px;
  display:flex; align-items:center; gap:8px 18px; flex-wrap:wrap;}
.m1a-brand{font-family:"Oswald",system-ui,sans-serif; font-weight:600;
  text-transform:uppercase; letter-spacing:.09em; font-size:14px;
  color:var(--ink); text-decoration:none; margin-right:6px; white-space:nowrap;
  display:inline-flex; align-items:center; gap:8px;}
.m1a-brand::before{content:""; width:18px; height:18px; flex:0 0 auto;
  background:url("/assets/logo-transparent-64.png") center/contain no-repeat;}
.m1a-brand:hover{color:var(--violet-soft)}
.m1a-nav a.m1a-link{font-size:13px; color:var(--ink2); text-decoration:none;
  padding:3px 0; border-bottom:1px solid transparent; white-space:nowrap;
  transition:color .15s, border-color .15s;}
.m1a-nav a.m1a-link:hover{color:var(--ink); border-bottom-color:var(--violet)}
.m1a-nav a.m1a-link[aria-current="page"]{color:var(--violet-soft);
  border-bottom-color:var(--violet)}

/* ---------------- каркас ---------------- */
.wrap{max-width:1080px; margin:0 auto; padding:64px 16px 72px; position:relative}
body.doc .wrap{max-width:1000px; padding:0 16px 72px}

/* ---------------- шапка страницы ---------------- */
.eyebrow{display:inline-flex; align-items:center; gap:9px;
  font-family:"Oswald",system-ui,sans-serif; text-transform:uppercase;
  letter-spacing:.18em; font-size:11.5px; color:var(--violet-soft);
  margin-bottom:20px; padding:6px 13px 6px 11px;
  border:1px solid var(--ring); border-radius:999px;
  background:rgba(140,86,255,.07); font-weight:400;}
.eyebrow::before{content:""; width:5px; height:5px; border-radius:50%;
  background:var(--violet); box-shadow:0 0 10px var(--violet);}

h1{font-family:"Oswald",system-ui,sans-serif; font-weight:600;
  font-size:clamp(38px, 7vw, 64px); line-height:1; margin:0 0 18px;
  letter-spacing:.005em; text-transform:uppercase; text-wrap:balance;}
h1.hero{font-size:clamp(48px, 11vw, 112px); line-height:.96; margin:0 0 22px}
h1 .accent{
  background:linear-gradient(100deg, var(--violet-soft) 0%, var(--violet) 45%, var(--violet-deep) 100%);
  -webkit-background-clip:text; background-clip:text; color:transparent;}

.hero-logo{display:block; width:96px; height:96px; margin:0 0 18px;
  filter:drop-shadow(0 0 22px var(--glow));}

header.top{margin-bottom:48px}
header.top p{margin:0; max-width:62ch; color:var(--ink2); font-size:16.5px; line-height:1.7}
.rule{height:1px; margin:30px 0 0; max-width:520px;
  background:linear-gradient(90deg, var(--violet), rgba(163,112,255,.18) 45%, transparent);}

/* шапка страницы-документа: та же типографика, отбивка линией */
body.doc header{margin-bottom:0; padding:52px 0 26px; border-bottom:1px solid var(--grid)}
body.doc header p{margin:10px 0 0; max-width:64ch; color:var(--ink2); font-size:16px; line-height:1.7}
body.doc header .rule{display:none}

/* ---------------- заголовки секций ---------------- */
h2{font-family:"Oswald",system-ui,sans-serif; font-weight:600;
  text-transform:uppercase; letter-spacing:.05em; font-size:20px;
  color:var(--ink); margin:0 0 14px; text-wrap:balance;}
/* «ярлык» секции — на хабах и над лентами */
h2.sec{font-weight:500; letter-spacing:.16em; font-size:12.5px; color:var(--muted);
  margin:0 0 20px; padding-bottom:10px; border-bottom:1px solid var(--grid);
  display:flex; align-items:baseline; justify-content:space-between; gap:16px;}
h2 .count, h2 .cnt{font-family:"Oswald",system-ui,sans-serif; font-size:11px;
  letter-spacing:.12em; color:var(--violet-soft); opacity:.8}
h3{font-family:"Oswald",system-ui,sans-serif; font-weight:500; font-size:16px;
  letter-spacing:.05em; text-transform:uppercase; color:var(--violet-soft); margin:20px 0 8px}
body.doc section{margin-top:42px}
.lead{color:var(--ink2); font-size:15.5px; line-height:1.7; max-width:70ch; margin:0 0 26px}
.muted{color:var(--dim)}

/* ---------------- карточки разделов ---------------- */
.cards{display:grid; gap:14px; grid-template-columns:repeat(auto-fill,minmax(290px,1fr))}
.card{position:relative; display:block; text-decoration:none; overflow:hidden;
  background:linear-gradient(160deg, var(--surface) 0%, rgba(17,16,25,.6) 100%);
  border:1px solid var(--grid); border-radius:14px; padding:20px 22px 22px;
  transition:border-color .18s, background .18s, transform .18s, box-shadow .18s;}
.card::before{content:""; position:absolute; left:0; right:0; top:0; height:2px;
  background:linear-gradient(90deg, var(--violet), var(--violet-deep));
  transform:scaleX(0); transform-origin:left; transition:transform .25s ease;}
.card:hover{border-color:rgba(163,112,255,.45); background:var(--surface2);
  transform:translateY(-3px); box-shadow:0 14px 34px -18px var(--glow);}
.card:hover::before{transform:scaleX(1)}
.c-num{font-family:"Oswald",system-ui,sans-serif; font-size:11px;
  letter-spacing:.16em; color:var(--muted); margin-bottom:12px; transition:color .18s;}
.card:hover .c-num{color:var(--violet-soft)}
.c-title{font-family:"Oswald",system-ui,sans-serif; font-weight:600; font-size:20px;
  letter-spacing:.01em; color:var(--ink); margin-bottom:8px; transition:color .18s;
  display:flex; align-items:center; gap:9px;}
.c-title .arr{color:var(--violet); opacity:0; transform:translateX(-6px);
  transition:opacity .18s, transform .18s; font-size:16px; line-height:1;}
.card:hover .c-title{color:var(--violet-soft)}
.card:hover .c-title .arr{opacity:1; transform:translateX(0)}
.c-desc{color:var(--ink2); font-size:13.5px; line-height:1.6}

/* ---------------- большие ворота портала ---------------- */
.gates{display:grid; gap:22px; grid-template-columns:repeat(auto-fit,minmax(min(340px,100%),1fr))}
.gate{position:relative; display:flex; flex-direction:column; justify-content:flex-end;
  min-height:280px; text-decoration:none; overflow:hidden;
  background:linear-gradient(160deg, var(--surface) 0%, rgba(17,16,25,.55) 100%);
  border:1px solid var(--grid); border-radius:20px; padding:30px 32px 32px;
  transition:border-color .18s, background .18s, transform .18s, box-shadow .18s;}
.gate::before{content:""; position:absolute; left:0; right:0; top:0; height:3px;
  background:linear-gradient(90deg, var(--violet), var(--violet-deep));
  transform:scaleX(0); transform-origin:left; transition:transform .3s ease;}
.gate::after{content:""; position:absolute; inset:0; pointer-events:none; z-index:0;
  background:radial-gradient(520px 240px at 85% 0%, rgba(140,86,255,.16), transparent 70%);
  opacity:.55; transition:opacity .25s;}
.gate>*{position:relative; z-index:1}
.gate:hover{border-color:rgba(163,112,255,.45); background:var(--surface2);
  transform:translateY(-4px); box-shadow:0 24px 54px -26px var(--glow);}
.gate:hover::before{transform:scaleX(1)}
.gate:hover::after{opacity:1}
.g-num{font-family:"Oswald",system-ui,sans-serif; font-size:11px;
  letter-spacing:.18em; text-transform:uppercase; color:var(--muted);
  margin-bottom:auto; transition:color .18s;}
.gate:hover .g-num{color:var(--violet-soft)}
.g-kicker{font-family:"Oswald",system-ui,sans-serif; text-transform:uppercase;
  letter-spacing:.16em; font-size:11.5px; color:var(--violet-soft); opacity:.85;
  margin-bottom:8px;}
.g-title{font-family:"Oswald",system-ui,sans-serif; font-weight:600;
  font-size:clamp(38px, 6vw, 58px); line-height:1; letter-spacing:.01em;
  text-transform:uppercase; color:var(--ink); margin:26px 0 10px;
  transition:color .18s; display:flex; align-items:center; gap:14px; flex-wrap:wrap;}
.g-title .arr{color:var(--violet); font-size:26px; line-height:1;
  opacity:0; transform:translateX(-8px); transition:opacity .18s, transform .18s;}
.gate:hover .g-title{color:var(--violet-soft)}
.gate:hover .g-title .arr{opacity:1; transform:translateX(0)}
.g-desc{color:var(--ink2); font-size:14.5px; line-height:1.65; max-width:44ch; min-height:3.3em}

/* ---------------- кнопка «назад» ---------------- */
.back{margin-top:34px; display:inline-flex; align-items:center; gap:10px; text-decoration:none;
  font-family:"Oswald",system-ui,sans-serif; text-transform:uppercase;
  letter-spacing:.14em; font-size:12px; color:var(--ink2);
  border:1px solid var(--grid); border-radius:999px; padding:10px 20px;
  background:linear-gradient(160deg, var(--surface) 0%, rgba(17,16,25,.55) 100%);
  transition:color .18s, border-color .18s, background .18s, transform .18s;}
.back:hover{color:var(--violet-soft); border-color:rgba(163,112,255,.45);
  background:var(--surface2); transform:translateY(-2px);}

/* ---------------- футер ---------------- */
footer{margin-top:64px; padding-top:20px; border-top:1px solid var(--grid);
  color:var(--muted); font-size:12.5px; line-height:1.6;
  display:flex; align-items:center; justify-content:space-between;
  gap:12px; flex-wrap:wrap;}
footer .mark{font-family:"Oswald",system-ui,sans-serif; text-transform:uppercase;
  letter-spacing:.16em; font-size:11.5px; color:var(--ink2);}

/* ---------------- мелкий экран ---------------- */
@media (max-width:640px){
  .m1a-nav-in{gap:6px 12px; padding:9px 12px}
  .wrap{padding:44px 16px 52px}
  body.doc .wrap{padding:0 14px 52px}
  header.top{margin-bottom:36px}
  header.top p{font-size:15.5px}
  .hero-logo{width:76px; height:76px; margin-bottom:14px}
  body.doc header{padding:36px 0 22px}
  body::after{background-size:44px 44px}
  .gates{gap:16px}
  .gate{min-height:220px; padding:24px 22px 26px; border-radius:16px}
  footer{margin-top:48px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important}
}