/* ============================================================
   Design tokens — встроены прямо здесь, без внешнего CDN
   ============================================================ */
:root{
  --font-sans-1: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;

  --gray-0: #f8f9fa;
  --gray-1: #f1f3f5;
  --gray-2: #e9ecef;
  --gray-3: #dee2e6;
  --gray-4: #ced4da;
  --gray-5: #adb5bd;
  --gray-6: #868e96;
  --gray-7: #495057;
  --gray-8: #343a40;
  --gray-9: #212529;

  --blue-0: #e7f5ff;
  --blue-1: #d0ebff;
  --blue-2: #a5d8ff;
  --blue-3: #74c0fc;
  --blue-4: #4dabf7;
  --blue-5: #339af0;
  --blue-6: #228be6;
  --blue-7: #1c7ed6;
  --blue-8: #1971c2;
  --blue-9: #1864ab;

  --cyan-1: #c5f6fa;

  --brand:      #1b6fb3;
  --brand-2:    #4ba3d8;
  --brand-3:    #cfe6f4;
  --ink:        #0d2238;
  --band-w:     min(1180px, calc(100% - 32px));
}

/* базовый слой */
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body.pg-body{
  font-family:var(--font-sans-1);
  color:var(--gray-9);
  background:
    radial-gradient(1200px 500px at 10% -10%, var(--blue-1), transparent 60%),
    radial-gradient(900px 500px at 110% 10%, var(--cyan-1), transparent 60%),
    var(--gray-0);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{color:var(--blue-7);text-decoration:none}
a:hover{text-decoration:underline}
:target{scroll-margin-top:80px}

/* header */
.hd-band{
  position:sticky;top:0;z-index:20;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--blue-2);
}
.hd-wrap{
  width:var(--band-w);margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 0;gap:16px;
}
.hd-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:700;color:var(--ink);font-size:1.05rem;
}
.hd-brand:hover{text-decoration:none}
.brand-mark{
  width:22px;height:22px;border-radius:6px;
  background:linear-gradient(135deg,var(--brand-2),var(--brand));
  box-shadow:0 4px 10px -4px var(--brand);
}
.brand-word{letter-spacing:.02em}
.hd-nav ul{list-style:none;display:flex;gap:22px;margin:0;padding:0}
.hd-nav a{color:var(--ink);font-weight:500;font-size:.98rem}
.hd-nav a:hover{color:var(--brand)}
.hd-burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:6px}
.hd-burger span{display:block;width:24px;height:2px;background:var(--ink);border-radius:2px}

@media (max-width:820px){
  .hd-burger{display:flex}
  .hd-nav{
    position:absolute;top:100%;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--blue-2);
    max-height:0;overflow:hidden;transition:max-height .25s ease;
  }
  .hd-nav.is-open{max-height:70vh}
  .hd-nav ul{flex-direction:column;padding:12px 24px;gap:14px}
}

/* main flow */
.main-flow{width:var(--band-w);margin:0 auto;padding:40px 0 64px}

/* hero */
.hero-71{
  border-radius:24px;
  background:
    radial-gradient(60% 100% at 100% 0%, rgba(75,163,216,.32), transparent 60%),
    linear-gradient(160deg,#e6f2fb 0%,#f6fbff 60%,#ffffff 100%);
  padding:56px 44px;
  border:1px solid var(--blue-2);
  overflow:hidden;
  position:relative;
}
.hero-71::after{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;
  background:radial-gradient(closest-side,var(--brand-2),transparent);
  opacity:.35;filter:blur(6px);pointer-events:none;
}
.hero__eyebrow{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:var(--brand-3);color:var(--brand);font-size:.82rem;font-weight:600;
  letter-spacing:.04em;text-transform:uppercase;
}
.hero__h1{
  font-size:clamp(1.9rem,4.2vw,3rem);
  line-height:1.08;letter-spacing:-.01em;
  color:var(--ink);margin:18px 0 14px;
}
.hero__lede{
  font-size:1.12rem;color:var(--gray-8);max-width:56ch;
}
.hero__cta{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;
}

/* buttons */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:12px;
  font-weight:600;font-size:.98rem;cursor:pointer;
  border:1px solid transparent;transition:transform .12s ease,background .12s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn--primary{background:var(--brand);color:#fff}
.btn--primary:hover{background:#155a94}
.btn--ghost{background:transparent;color:var(--brand);border-color:var(--brand-2)}
.btn--ghost:hover{background:var(--brand-3)}

/* generic sections */
.section{margin-top:56px}
.section__head{margin-bottom:22px}
.section__title{
  font-size:clamp(1.4rem,2.6vw,1.95rem);
  color:var(--ink);letter-spacing:-.005em;margin:0 0 8px;
}
.section__sub{color:var(--gray-7);margin:0;max-width:70ch}

/* three-column grid */
.trio{
  display:grid;gap:20px;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
}
.trio-card{
  background:#fff;border:1px solid var(--blue-2);border-radius:16px;
  padding:22px;box-shadow:0 4px 20px -14px rgba(13,34,56,.35);
}
.trio-card h3{margin:0 0 10px;color:var(--ink);font-size:1.1rem}
.trio-card p{margin:0;color:var(--gray-7);font-size:.96rem}

/* long content */
.prose{max-width:70ch}
.prose h2{color:var(--ink);margin-top:2em}
.prose h3{color:var(--ink);margin-top:1.6em}
.prose p{margin:0 0 1.1em}
.prose ul{padding-left:1.2em}
.prose li{margin:.35em 0}
.prose blockquote{
  border-left:4px solid var(--brand-2);
  padding:6px 16px;color:var(--gray-8);margin:1.4em 0;background:var(--blue-0);border-radius:0 8px 8px 0;
}

/* forms */
.frm{
  background:#fff;border:1px solid var(--blue-2);border-radius:16px;
  padding:28px;max-width:680px;
}
.frm .row{margin:0 0 16px}
.frm label{display:block;font-weight:600;color:var(--ink);margin-bottom:6px;font-size:.95rem}
.frm input, .frm select, .frm textarea{
  width:100%;padding:11px 12px;border:1px solid #bcd6ea;border-radius:10px;
  font:inherit;background:#fbfcfe;
}
.frm input:focus,.frm select:focus,.frm textarea:focus{outline:2px solid var(--brand-2);outline-offset:1px;border-color:var(--brand-2)}
.frm textarea{min-height:120px;resize:vertical}
.frm .row--check{display:flex;gap:10px;align-items:flex-start}
.frm .row--check input{width:auto;margin-top:4px}
.frm .frm__msg{padding:12px 14px;border-radius:10px;margin-bottom:16px;font-weight:500}
.frm__msg--ok{background:#e7f6ec;color:#1a6f3d;border:1px solid #b9e0c5}
.frm__msg--err{background:#fbeaea;color:#8b1c1c;border:1px solid #e9c1c1}

/* stats strip */
.stats-strip{
  display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  background:var(--ink);color:#fff;border-radius:20px;padding:26px;
}
.stat__num{font-size:2rem;font-weight:700;color:var(--brand-2)}
.stat__lbl{opacity:.8;font-size:.95rem}

/* archive index */
.arkhiv-list{list-style:none;padding:0;margin:0;display:grid;gap:14px}
.arkhiv-list li a{
  display:flex;justify-content:space-between;align-items:center;
  padding:18px 22px;background:#fff;border:1px solid var(--blue-2);border-radius:14px;
  color:var(--ink);font-weight:600;
}
.arkhiv-list li a:hover{border-color:var(--brand);text-decoration:none;background:#f5fbff}
.arkhiv-list .yr{color:var(--brand);font-size:1.15rem}

/* news block */
.news-52{
  background:#fff;border:1px solid var(--blue-2);border-radius:20px;padding:30px;
}
.news-list{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));list-style:none;padding:0;margin:24px 0 0}
.news-item{
  border:1px solid var(--gray-2);border-radius:14px;padding:20px;background:#fdfefe;
  display:flex;flex-direction:column;gap:12px;
}
.news-item h3{margin:0;font-size:1.08rem;line-height:1.3}
.news-item h3 a{color:var(--ink)}
.news-item h3 a:hover{color:var(--brand)}
.news-item p{margin:0;color:var(--gray-7);font-size:.95rem}
.news-item .more{
  margin-top:auto;color:var(--brand);font-weight:600;font-size:.92rem;
  display:inline-flex;align-items:center;gap:6px;
}
.news-item .more::after{content:" \2192"}

/* footer */
.ft-band{
  background:linear-gradient(180deg,#0e2a44 0%,#0a1b2c 100%);color:#c7d5e5;
  padding:52px 0 20px;margin-top:80px;
}
.ft-grid{
  width:var(--band-w);margin:0 auto;
  display:grid;gap:32px;grid-template-columns:1.4fr repeat(3,1fr);
}
.ft-col--about .ft-title{color:#fff;font-size:1.15rem;font-weight:700;margin-bottom:10px}
.ft-lead{margin:0;font-size:.95rem;opacity:.85;max-width:34ch}
.ft-h{color:#fff;font-size:.98rem;font-weight:600;margin-bottom:12px}
.ft-links{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.ft-links a{color:#c7d5e5;font-size:.94rem}
.ft-links a:hover{color:#fff}
.ft-tags{margin:0;font-size:.9rem;opacity:.85;line-height:1.9}
.ft-note{
  width:var(--band-w);margin:32px auto 0;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:.86rem;opacity:.6;
}
@media (max-width:820px){
  .ft-grid{grid-template-columns:1fr 1fr}
  .hero-71{padding:36px 24px}
}

/* utility, специально не выстроено единообразно */
.mt-24{margin-top:24px}
.mt-32{margin-top:32px}
.pd-y-12{padding-top:12px;padding-bottom:12px}