/* ============================================================
   Дизайн-система PROдвижение · v1.5 · сентябрь 2026
   Блог-редакция: blog.prodschool.ru
   ============================================================ */

:root{
  --ground:#F1EFEA;
  --surface:#FFFFFF;
  --surface-2:#E9E6DF;
  --dark:#17181B;
  --dark-2:#212328;
  --ink:#17181B;
  --ink-2:#55585E;
  --ink-3:#6B6F77;
  --on-dark:#EFEDE8;
  --on-dark-2:#A8ACB3;
  --rule:#DEDBD4;
  --rule-2:#C9C5BC;
  --accent:#F0B54A;
  --accent-lg:#C98A1E;
  --accent-text:#8E5F06;
  --grad-btn:linear-gradient(180deg,#F8C860 0%,#F0B54A 55%,#E39F2A 100%);
  --grad-dark:linear-gradient(180deg,#2A2C31 0%,#17181B 100%);
  --ok:#256B4D;   --ok-bg:#E2F0E9;
  --est:#8E5F06;  --est-bg:#F7EBD5;
  --hyp:#6B4E9E;  --hyp-bg:#EBE5F5;
  --warn:#B3392B; --warn-bg:#F7E3E0;
  --font-ui:"Manrope",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:"Golos Text",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Onest",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r-s:10px; --r-m:14px; --r-l:18px; --r-pill:100px;
  --wrap:1120px; --gutter:32px;
  --shadow-card:0 14px 34px -10px rgba(23,24,27,.18),0 2px 6px rgba(23,24,27,.05);
  --shadow-btn:0 8px 20px -6px rgba(201,138,30,.55);
  --shadow-pop:0 12px 32px rgba(23,24,27,.16);
  --ease:cubic-bezier(.2,.7,.2,1);
  --t:.22s;
  color-scheme:light;
}

@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --ground:#121316; --surface:#1B1D21; --surface-2:#242730;
    --dark:#0C0D0F; --dark-2:#17181B;
    --ink:#ECEAE5; --ink-2:#A8ACB3; --ink-3:#8A8E95;
    --on-dark:#ECEAE5; --on-dark-2:#A8ACB3;
    --rule:#2C2F35; --rule-2:#3D414A;
    --accent:#F0B54A; --accent-lg:#F0B54A; --accent-text:#F0B54A;
    --ok:#6FC79C; --ok-bg:#163026; --est:#E0AC55; --est-bg:#33280F;
    --hyp:#B79AE8; --hyp-bg:#2A2340; --warn:#E8776A; --warn-bg:#3A1E1A;
    --shadow-card:0 14px 34px -10px rgba(0,0,0,.6),0 0 0 1px rgba(240,181,74,.12);
    --shadow-btn:0 8px 22px -6px rgba(240,181,74,.45);
    --shadow-pop:0 12px 32px rgba(0,0,0,.5);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --ground:#121316; --surface:#1B1D21; --surface-2:#242730;
  --dark:#0C0D0F; --dark-2:#17181B;
  --ink:#ECEAE5; --ink-2:#A8ACB3; --ink-3:#8A8E95;
  --on-dark:#ECEAE5; --on-dark-2:#A8ACB3;
  --rule:#2C2F35; --rule-2:#3D414A;
  --accent:#F0B54A; --accent-lg:#F0B54A; --accent-text:#F0B54A;
  --ok:#6FC79C; --ok-bg:#163026; --est:#E0AC55; --est-bg:#33280F;
  --hyp:#B79AE8; --hyp-bg:#2A2340; --warn:#E8776A; --warn-bg:#3A1E1A;
  --shadow-card:0 14px 34px -10px rgba(0,0,0,.6),0 0 0 1px rgba(240,181,74,.12);
  --shadow-btn:0 8px 22px -6px rgba(240,181,74,.45);
  --shadow-pop:0 12px 32px rgba(0,0,0,.5);
  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--ground);color:var(--ink);
  font-family:var(--font-body);font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased}
h1,h2,h3,h4,.ui{font-family:var(--font-ui);font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(32px,4.5vw,50px);line-height:1.1;letter-spacing:-.02em;margin:0 0 18px;text-wrap:balance}
h2{font-size:clamp(22px,2.5vw,28px);line-height:1.25;margin:0 0 12px;text-wrap:balance}
h3{font-size:19px;font-weight:700;margin:0 0 8px}
h4{font-size:16px;font-weight:700;margin:0 0 6px;color:var(--ink-2)}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
a{color:var(--accent-text);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;transition:text-decoration-thickness var(--t)}
a:hover{text-decoration-thickness:2px}
b,strong{font-weight:600}
.mono,.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.muted{color:var(--ink-2)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.wrap{color:var(--ink)}

.site-header{background:var(--dark);color:var(--on-dark);position:sticky;top:0;z-index:30;
  border-bottom:1px solid rgba(240,181,74,.18);box-shadow:0 1px 0 rgba(0,0,0,.25)}
.site-header .wrap{display:flex;align-items:center;gap:24px;min-height:72px}
.site-header .brand-title{font-family:var(--font-ui);font-weight:800;font-size:20px;color:var(--on-dark);text-decoration:none;display:flex;align-items:center;gap:10px}
.site-header .brand-title em{font-style:normal;color:var(--accent)}
.site-header nav{display:flex;gap:12px;margin-left:auto;align-items:center}
.site-header nav a{font-family:var(--font-ui);font-weight:700;font-size:16px;color:var(--on-dark-2);text-decoration:none;padding:8px 12px;border-radius:var(--r-s);transition:background var(--t),color var(--t)}
.site-header nav a:hover{color:var(--on-dark);background:var(--dark-2)}
.site-header nav a[aria-current]{color:#17181B;background:var(--accent)}

.hero{background:var(--dark);color:var(--on-dark);padding:52px 0 48px;position:relative;overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;inset:auto -10% -60% auto;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(240,181,74,.22),rgba(240,181,74,0));z-index:-1;pointer-events:none}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--accent) 0%,rgba(240,181,74,.35) 40%,transparent 100%)}
.hero h1 em{font-style:normal;color:var(--accent)}
.deck{font-size:18px;line-height:1.55;color:var(--on-dark-2);max-width:68ch;margin:0 0 24px}
.pill{display:inline-block;background:var(--accent);color:#17181B;font-family:var(--font-ui);
  font-weight:800;font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:20px}

section{padding:40px 0 20px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin:20px 0}
.card{background:var(--surface);border:1px solid var(--rule);border-radius:var(--r-m);padding:24px;
  transition:transform var(--t) var(--ease),box-shadow var(--t),border-color var(--t);display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);border-color:var(--rule-2)}
.card .tag{font-family:var(--font-ui);font-weight:800;font-size:12.5px;letter-spacing:.09em;
  text-transform:uppercase;color:var(--accent-text);display:block;margin-bottom:8px}
.card h3{font-size:20px;margin:0 0 10px;line-height:1.3}
.card h3 a{color:var(--ink);text-decoration:none}
.card h3 a:hover{color:var(--accent-text)}
.card p{font-size:16px;color:var(--ink-2);line-height:1.55;flex-grow:1;margin-bottom:16px}
.card .meta{font-size:14px;color:var(--ink-3);display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--rule);padding-top:12px;margin-top:auto}

.art-container{max-width:760px;margin:0 auto;padding:40px var(--gutter)}
.art-meta{font-size:14px;color:var(--ink-2);margin-bottom:20px;display:flex;gap:16px;flex-wrap:wrap;align-items:center;border-bottom:1px solid var(--rule);padding-bottom:12px}
.art-body{font-size:18px;line-height:1.65;color:var(--ink)}
.art-body p{margin-bottom:20px}
.art-body h2{margin-top:36px;margin-bottom:14px;font-size:26px}
.art-body h3{margin-top:28px;margin-bottom:10px;font-size:21px}
.art-body ul,.art-body ol{margin:0 0 20px;padding-left:24px}
.art-body li{margin-bottom:8px}

.cta-box{background:var(--grad-dark);color:var(--on-dark);border-radius:var(--r-l);padding:32px 36px;margin:40px 0;
  border-left:5px solid var(--accent);box-shadow:0 12px 32px rgba(23,24,27,.2)}
.cta-box h3{color:var(--accent);font-size:22px;margin-bottom:10px}
.cta-box p{color:var(--on-dark-2);font-size:17px;margin-bottom:20px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-ui);font-weight:800;font-size:16px;line-height:1;
  padding:14px 24px;border-radius:var(--r-s);border:1px solid transparent;cursor:pointer;
  text-decoration:none;white-space:nowrap;transition:transform var(--t) var(--ease),box-shadow var(--t)}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--grad-btn);color:#17181B;border-color:#D9962A;box-shadow:var(--shadow-btn)}

.site-footer{background:var(--dark);color:var(--on-dark-2);padding:36px 0 24px;margin-top:60px;font-size:15px;border-top:3px solid var(--accent)}
.site-footer a{color:var(--on-dark);text-decoration:none}
.site-footer a:hover{color:var(--accent)}
.site-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px;padding-bottom:20px;border-bottom:1px solid #2E3138}
.site-footer h4{color:var(--accent);font-size:13px;text-transform:uppercase;letter-spacing:.08em;margin:0 0 10px}
.site-footer .req{font-size:14px;line-height:1.5;color:var(--on-dark)}
.site-footer .bottom{padding-top:16px;font-size:14px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

@media(max-width:780px){
  :root{--gutter:20px}
  .site-footer .cols{grid-template-columns:1fr}
  .cta-box{padding:24px 20px}
  .art-body{font-size:17px}
}