/* Dopel blog/article v2 — единый фундамент (из редизайн-концептов) */
:root{
  --ink:#050507;--surface:rgba(255,255,255,.03);--surface-2:rgba(255,255,255,.05);
  --line:rgba(255,255,255,.08);--line-2:rgba(255,255,255,.14);
  --text:#f4f4f5;--text-2:rgba(255,255,255,.66);--text-3:rgba(255,255,255,.46);--text-read:rgba(255,255,255,.8);
  --violet:#7c5cfc;--violet-l:#a78bfa;--cyan:#38bdf8;--warm-a:#ff9d6c;--warm-b:#ff6fae;
  --grad-cool:linear-gradient(120deg,#a78bfa,#7c5cfc 45%,#38bdf8);
  --grad-warm:linear-gradient(120deg,#ffb37a,#ff6fae);
  --grad-btn:linear-gradient(135deg,#6366f1,#7c5cfc);
  --r-md:14px;--r-lg:20px;--r-xl:28px;--ease:cubic-bezier(.22,1,.36,1);--maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--ink);color:var(--text);line-height:1.5;position:relative;overflow-x:hidden}
body::before{content:'';position:fixed;inset:-20% -10%;z-index:0;pointer-events:none;
  background:radial-gradient(38% 30% at 16% 8%,rgba(124,92,252,.2),transparent 60%),radial-gradient(34% 28% at 86% 4%,rgba(56,189,248,.12),transparent 60%),radial-gradient(40% 34% at 78% 88%,rgba(255,111,174,.08),transparent 62%);
  filter:blur(22px);animation:aurora 26s ease-in-out infinite alternate}
body::after{content:'';position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.45;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.035'/%3E%3C/svg%3E")}
@keyframes aurora{from{transform:translate3d(-2%,-1%,0)}to{transform:translate3d(3%,2%,0)}}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;position:relative;z-index:1}
.h-disp{font-family:'Space Grotesk',sans-serif;font-weight:700;letter-spacing:-.03em;line-height:1.06;color:#fff}
.grad-cool{background:var(--grad-cool);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:'Inter';font-weight:600;font-size:.95rem;letter-spacing:-.01em;padding:14px 26px;border-radius:var(--r-md);border:.5px solid transparent;cursor:pointer;transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .2s,border-color .2s}
.btn-primary{background:var(--grad-btn);color:#fff;border-color:rgba(124,92,252,.4);box-shadow:0 0 22px rgba(124,92,252,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 38px rgba(124,92,252,.42)}
a:focus-visible,button:focus-visible{outline:2px solid var(--violet-l);outline-offset:3px;border-radius:8px}
.logo{display:inline-flex;align-items:center;gap:9px;font-family:'Space Grotesk';font-weight:700;font-size:1.3rem;letter-spacing:-.03em}
.logo .mark{font-size:1.15rem;color:var(--violet-l);filter:drop-shadow(0 0 10px rgba(124,92,252,.6));line-height:1}
.logo .word{background:var(--grad-cool);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-thumb{background:var(--line-2);border-radius:99px;border:3px solid var(--ink)}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}body::before{animation:none}}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(5,5,7,.55);backdrop-filter:blur(22px) saturate(1.4);-webkit-backdrop-filter:blur(22px) saturate(1.4);border-bottom:.5px solid var(--line)}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:14px 28px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{font-size:.9rem;color:var(--text-2);font-weight:500;transition:color .2s}
.nav-links a:hover,.nav-links a.on{color:#fff}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-login{font-size:.9rem;color:var(--text-2);font-weight:600;padding:0 4px}
.nav-login:hover{color:#fff}
.nav-tg{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;color:var(--text-2);transition:color .2s,background .2s}
.nav-tg:hover{color:var(--violet-l);background:rgba(124,92,252,.1)}
@media(max-width:820px){.nav-links{display:none}}

/* shared bits */
.cat{display:inline-flex;align-items:center;gap:6px;font-size:.74rem;font-weight:600;letter-spacing:.02em;padding:5px 11px;border-radius:99px}
.cat.violet{color:#c4b5fd;background:rgba(124,92,252,.14)}
.cat.warm{color:#ffc4a3;background:rgba(255,157,108,.14)}
.cat.cyan{color:#7dd3fc;background:rgba(56,189,248,.14)}
.cat.green{color:#6ee7b7;background:rgba(16,185,129,.14)}
.meta{display:flex;align-items:center;gap:8px;font-size:.82rem;color:var(--text-3)}
.meta .dotsep{width:3px;height:3px;border-radius:50%;background:var(--text-3)}
.av{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:700;color:#fff;font-size:.9rem;flex-shrink:0;background:var(--grad-btn)}
.cover{position:relative;overflow:hidden;display:grid;place-items:center}
.cover::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 30% 20%,rgba(255,255,255,.14),transparent 55%);mix-blend-mode:overlay}
.cover svg{width:54px;height:54px;color:rgba(255,255,255,.85);position:relative;z-index:1}
.cover.violet{background:linear-gradient(135deg,#6d28d9,#7c5cfc 55%,#38bdf8)}
.cover.warm{background:linear-gradient(135deg,#f59e0b,#ff6fae)}
.cover.cyan{background:linear-gradient(135deg,#0ea5e9,#6366f1)}
.cover.green{background:linear-gradient(135deg,#10b981,#0ea5e9)}

/* blog index */
.blog-head{padding:60px 0 36px;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.78rem;font-weight:600;letter-spacing:.02em;color:var(--violet-l);background:rgba(124,92,252,.1);border:.5px solid rgba(124,92,252,.25);border-radius:99px;padding:7px 15px}
.blog-head h1{font-size:clamp(2.2rem,4.4vw,3.2rem);margin-top:20px}
.blog-head p{color:var(--text-2);font-size:1.1rem;margin-top:14px;max-width:560px;margin-left:auto;margin-right:auto;letter-spacing:-.01em}
.featured{display:grid;grid-template-columns:1.1fr .9fr;gap:0;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.02));margin-bottom:40px;transition:border-color .3s,transform .3s var(--ease)}
.featured:hover{border-color:rgba(124,92,252,.25);transform:translateY(-3px)}
.featured .cover{min-height:300px}
.featured .cover svg{width:76px;height:76px}
.featured .body{padding:40px}
.featured .cat{margin-bottom:16px}
.featured h2{font-size:clamp(1.5rem,2.4vw,2rem);font-family:'Space Grotesk';font-weight:700;letter-spacing:-.025em;line-height:1.2;color:#fff}
.featured p{color:var(--text-2);margin-top:14px;font-size:1rem;line-height:1.6}
.featured .foot{display:flex;align-items:center;gap:11px;margin-top:26px}
.featured .av{width:36px;height:36px;font-size:.85rem}
.foot .nm{font-size:.85rem;font-weight:600;color:#fff}
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;padding-bottom:80px}
.post{display:flex;flex-direction:column;border-radius:var(--r-lg);overflow:hidden;border:.5px solid var(--line);background:var(--surface);transition:border-color .3s,transform .3s var(--ease),box-shadow .3s}
.post:hover{border-color:rgba(124,92,252,.25);transform:translateY(-4px);box-shadow:0 16px 50px rgba(0,0,0,.35)}
.post .cover{height:160px}
.post .body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.post h3{font-size:1.12rem;font-weight:600;letter-spacing:-.02em;line-height:1.3;font-family:'Space Grotesk';color:#fff}
.post p{font-size:.9rem;color:var(--text-2);line-height:1.55;flex:1}

/* article */
.art-head{max-width:760px;margin:0 auto;padding:46px 28px 0;text-align:center;position:relative;z-index:1}
.back{display:inline-flex;align-items:center;gap:6px;font-size:.88rem;color:var(--text-3);margin-bottom:28px;transition:color .2s}
.back:hover{color:#fff}
.art-head h1{font-size:clamp(2rem,4vw,2.9rem);margin:18px 0}
.art-head .dek{font-size:1.18rem;color:var(--text-2);line-height:1.55;letter-spacing:-.01em;max-width:620px;margin:0 auto}
.byline{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:28px}
.byline .nm{font-size:.9rem;font-weight:600;text-align:left;color:#fff}
.byline .meta{margin-top:2px}
.cover-banner{max-width:980px;margin:40px auto 0;height:260px;border-radius:var(--r-xl);position:relative;z-index:1;overflow:hidden;display:grid;place-items:center;background:linear-gradient(135deg,#6d28d9,#7c5cfc 50%,#38bdf8);border:1px solid var(--line)}
.cover-banner::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 28% 18%,rgba(255,255,255,.16),transparent 55%);mix-blend-mode:overlay}
.cover-banner svg{width:80px;height:80px;color:rgba(255,255,255,.9);position:relative;z-index:1}
.article{max-width:720px;margin:0 auto;padding:50px 28px 30px;position:relative;z-index:1}
.article>p:first-of-type{font-size:1.25rem;line-height:1.7;color:#fff;margin-bottom:30px;letter-spacing:-.01em}
.article p{font-size:1.075rem;line-height:1.78;color:var(--text-read);margin:0 0 22px}
.article h2{font-family:'Space Grotesk';font-weight:700;font-size:1.65rem;letter-spacing:-.025em;color:#fff;margin:46px 0 16px}
.article h3{font-family:'Space Grotesk';font-weight:600;font-size:1.25rem;letter-spacing:-.02em;color:#fff;margin:34px 0 12px}
.article strong{color:#fff;font-weight:600}
.article ul,.article ol{margin:0 0 24px;padding:0;list-style:none;display:flex;flex-direction:column;gap:12px}
.article li{position:relative;padding-left:28px;font-size:1.06rem;line-height:1.65;color:var(--text-read)}
.article li::before{content:'';position:absolute;left:4px;top:9px;width:8px;height:8px;border-radius:3px;background:var(--grad-cool)}
.article a{color:var(--violet-l);text-decoration:underline;text-underline-offset:3px}
.article blockquote{margin:34px 0;padding:6px 0 6px 26px;border-left:3px solid var(--violet-l);font-family:'Space Grotesk';font-weight:500;font-size:1.4rem;line-height:1.45;color:#fff;letter-spacing:-.02em}
.cta-band{max-width:980px;margin:30px auto 0;padding:54px 40px;text-align:center;border-radius:var(--r-xl);position:relative;z-index:1;overflow:hidden;background:linear-gradient(135deg,rgba(124,92,252,.16),rgba(56,189,248,.08));border:.5px solid rgba(124,92,252,.25);backdrop-filter:blur(14px)}
.cta-band::before{content:'';position:absolute;inset:0;background:radial-gradient(50% 70% at 50% 0,rgba(124,92,252,.25),transparent 70%);pointer-events:none}
.cta-band h2{font-size:clamp(1.7rem,3vw,2.3rem);position:relative}
.cta-band p{color:var(--text-2);margin:14px 0 26px;font-size:1.05rem;position:relative}
.cta-band .btn{position:relative}
.related{max-width:var(--maxw);margin:70px auto 0;padding:0 28px}
.related h3{font-family:'Space Grotesk';font-weight:600;font-size:1.3rem;margin-bottom:22px;color:#fff}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel{border-radius:var(--r-lg);overflow:hidden;border:.5px solid var(--line);background:var(--surface);transition:border-color .3s,transform .3s var(--ease)}
.rel:hover{border-color:rgba(124,92,252,.25);transform:translateY(-3px)}
.rel .c{height:110px;display:grid;place-items:center}
.rel .c svg{width:36px;height:36px;color:rgba(255,255,255,.85)}
.rel .b{padding:18px}
.rel h4{font-family:'Space Grotesk';font-weight:600;font-size:1rem;line-height:1.3;letter-spacing:-.01em;color:#fff}
.c.violet{background:linear-gradient(135deg,#6d28d9,#7c5cfc 55%,#38bdf8)}.c.warm{background:linear-gradient(135deg,#f59e0b,#ff6fae)}.c.cyan{background:linear-gradient(135deg,#0ea5e9,#6366f1)}.c.green{background:linear-gradient(135deg,#10b981,#0ea5e9)}

/* footer */
footer{border-top:.5px solid var(--line);padding:56px 0 36px;margin-top:80px;position:relative;z-index:1}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.foot-grid h4{font-size:.8rem;color:var(--text-3);text-transform:uppercase;letter-spacing:.05em;margin-bottom:14px}
.foot-grid a{display:block;font-size:.9rem;color:var(--text-2);padding:5px 0;transition:color .2s}
.foot-grid a:hover{color:#fff}
.foot-tag{font-size:.9rem;color:var(--text-2);margin-top:14px;max-width:260px;line-height:1.6}
.foot-bottom{margin-top:40px;padding-top:24px;border-top:.5px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:.84rem;color:var(--text-3)}

@media(max-width:820px){.featured{grid-template-columns:1fr}.featured .cover{min-height:200px}.posts{grid-template-columns:repeat(2,1fr)}.rel-grid{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr 1fr}.cover-banner{height:200px}}
@media(max-width:560px){.wrap,.article,.art-head{padding-left:18px;padding-right:18px}.posts{grid-template-columns:1fr}.featured .body{padding:28px}.foot-grid{grid-template-columns:1fr}}