/* audit4seo-base.css — общие стили публичной части (Sprint 1, 02.05.2026) */

/* === CSS Variables === */
:root{
  --blue:#008cf0;
  --blue-dim:rgba(0,140,240,.1);
  --blue-soft:#e8f4fe;
  --ink:#0a1929;
  --ink-2:#3b556e;
  --ink-3:#6e859b;
  --bg:#ffffff;
  --bg-soft:#f4f8fc;
  --line:#e3edf7;
  --green:#16a34a;
  --green-soft:#dcfce7;
  --amber:#f59e0b;
  --amber-soft:#fef3c7;
  --red:#dc2626;
  --red-soft:#fee2e2;
  --r:14px;
  --r-l:20px;
  --shadow-1:0 1px 2px rgba(10,25,41,.04), 0 8px 24px -8px rgba(10,25,41,.08);
  --shadow-2:0 1px 2px rgba(10,25,41,.05), 0 16px 36px -10px rgba(0,140,240,.18);
  --focus-ring:0 0 0 4px rgba(0,140,240,.2);
}

/* CLS fix: matched fallback eliminates layout shift on Geist load */
@font-face {
  font-family: 'Geist Fallback';
  src: local('system-ui');
  size-adjust: 103%;
  ascent-override: 95%;
  descent-override: 22%;
  line-gap-override: 0%;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink)}
html{scroll-behavior:smooth}
body{
  font-family:'Geist','Geist Fallback',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  -webkit-font-smoothing:antialiased;line-height:1.55;
  font-variation-settings:"wght" 400;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}

:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:6px}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:none;box-shadow:var(--focus-ring)}

.wrap{max-width:1200px;margin:0 auto;padding:0 24px;position:relative}

/* === Skip link (WCAG) === */
.skip-link{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;background:#0a1929;color:#fff;padding:8px 16px;text-decoration:none;border-radius:0 0 6px 0;z-index:9999}
.skip-link:focus{left:0;top:0;width:auto;height:auto}

/* === HEADER === */
.hd{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:saturate(160%) blur(14px);-webkit-backdrop-filter:saturate(160%) blur(14px);border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;gap:32px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.01em;font-size:18px;color:var(--ink)}
.logo-mark{
  width:30px;height:30px;border-radius:8px;background:var(--blue);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:14px;
  position:relative;overflow:hidden;
}
.logo-mark::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle, rgba(255,255,255,.3) 1px, transparent 1px);
  background-size:6px 6px;opacity:.6;
}
.nav{display:flex;gap:24px;margin-left:8px}
.nav a{font-size:14px;color:var(--ink-2);position:relative;padding:4px 0;transition:color .15s}
.nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--blue);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;border-radius:2px;
}
.nav a:hover{color:var(--blue)}
.nav a:hover::after,.nav a.act::after{transform:scaleX(1)}
.nav a.act{color:var(--blue)}
.nav a.nav-accent{color:var(--blue);font-weight:600}
.hd-right{margin-left:auto;display:flex;align-items:center;gap:10px}
@media (max-width:780px){.nav{display:none}}

/* === BUTTONS === */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;border-radius:10px;font-weight:500;font-size:14px;
  cursor:pointer;border:1px solid transparent;background:transparent;color:var(--ink);
  transition:transform .18s ease, box-shadow .25s ease, background .15s, color .15s, border .15s;
  text-align:center;line-height:1;
}
.btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}
.btn-s{padding:6px 12px;font-size:14px;border-radius:8px}
.btn-l{padding:14px 22px;font-size:15px;border-radius:12px}
.btn-ghost{background:transparent;color:var(--ink-2)}
.btn-ghost:hover{color:var(--ink);background:var(--bg-soft)}
.btn-primary{
  background:var(--blue);color:#fff;
  box-shadow:0 4px 14px -2px rgba(0,140,240,.4), inset 0 -2px 0 rgba(0,0,0,.08);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 20px -4px rgba(0,140,240,.55), inset 0 -2px 0 rgba(0,0,0,.08)}
.btn-secondary{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-secondary:hover{border-color:var(--blue);color:var(--blue)}

/* === FOOTER === */
.ft{padding:64px 0 40px;border-top:1px solid var(--line);background:var(--bg-soft);margin-top:80px;position:relative;overflow:hidden}
.ft::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle, rgba(0,140,240,.1) 1px, transparent 1px);
  background-size:24px 24px;
  -webkit-mask-image:linear-gradient(180deg, transparent, #000 80%);
  mask-image:linear-gradient(180deg, transparent, #000 80%);
  opacity:.6;pointer-events:none;
}
.ft .wrap{position:relative;z-index:1}
.foot{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
@media (max-width:780px){.foot{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.foot{grid-template-columns:1fr}}
.foot h4{font-size:14px;margin:0 0 14px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.06em;font-weight:600}
.foot a{display:block;font-size:14px;color:var(--ink-2);padding:4px 0;transition:color .15s}
.foot a:hover{color:var(--blue)}
.foot a.ft-accent{color:var(--blue);font-weight:600}
.ft-tag{color:var(--ink-3);font-size:14px;margin-top:12px;max-width:340px}
.ft-promo{margin-top:12px;padding:10px 14px;background:var(--blue-soft);border-radius:10px;font-size:14px;max-width:340px}
.ft-promo-link{color:var(--blue);font-weight:600}
.foot-social{display:flex;gap:10px;margin-top:14px}
.foot-social a{width:36px;height:36px;display:grid;place-items:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:0;transition:border .15s,color .15s,transform .15s}
.foot-social a:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-1px)}
.fbar{margin-top:40px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:var(--ink-3);font-size:14px;flex-wrap:wrap;gap:8px}

/* === COOKIE BANNER === */
.cookie-banner{position:fixed;left:24px;right:24px;bottom:24px;z-index:90;max-width:520px;margin-left:auto;background:#fff;border:1px solid #e3edf7;border-radius:18px;box-shadow:0 1px 2px rgba(10,25,41,.05),0 24px 60px -16px rgba(10,25,41,.22);padding:22px 22px 18px;display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;gap:14px 16px;font-family:'Geist','Geist Fallback',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#0a1929;line-height:1.5;animation:cookie-in .35s cubic-bezier(.2,.8,.2,1)}
@keyframes cookie-in{from{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:none}}
.cookie-icon{width:42px;height:42px;border-radius:12px;background:#e8f4fe;color:#008cf0;display:grid;place-items:center;flex-shrink:0}
.cookie-body h3{margin:0 0 6px;font-size:16px;font-weight:700;letter-spacing:-.01em;color:#0a1929}
.cookie-body p{margin:0;font-size:13.5px;color:#3b556e;line-height:1.5}
.cookie-body a{color:#008cf0;border-bottom:1px solid rgba(0,140,240,.3);transition:border .15s;text-decoration:none}
.cookie-body a:hover{border-color:#008cf0}
.cookie-actions{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;margin-top:4px}
.cookie-btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:10px;font:inherit;font-size:14px;font-weight:500;line-height:1;cursor:pointer;border:1px solid transparent;transition:transform .15s,box-shadow .2s,background .15s,color .15s,border-color .15s}
.cookie-btn:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(0,140,240,.2)}
.cookie-btn-primary{background:#008cf0;color:#fff;box-shadow:0 4px 12px -2px rgba(0,140,240,.4),inset 0 -2px 0 rgba(0,0,0,.08)}
.cookie-btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 18px -4px rgba(0,140,240,.55),inset 0 -2px 0 rgba(0,0,0,.08)}
.cookie-btn-secondary{background:#fff;color:#0a1929;border-color:#e3edf7}
.cookie-btn-secondary:hover{border-color:#008cf0;color:#008cf0}
@media (max-width:560px){.cookie-banner{left:12px;right:12px;bottom:12px;padding:18px 16px 14px;grid-template-columns:1fr;gap:12px;border-radius:16px}.cookie-icon{display:none}.cookie-actions{justify-content:stretch}.cookie-actions .cookie-btn{flex:1;min-width:120px}}
@media (prefers-reduced-motion:reduce){.cookie-banner{animation:none}.cookie-btn{transition:none}}