/* ============================================================
   dogovor.guru — design system
   Light legal-tech SaaS. Deep navy ink + electric blue accent.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root{
  /* ---- ink / navy ---- */
  --ink:#0a1a35;
  --ink-800:#13243f;
  --ink-700:#1d3050;
  --ink-600:#2c4061;
  --muted:#5b6b85;
  --muted-2:#8593a8;

  /* ---- accent (electric blue) ---- */
  --accent:#0f79f0;
  --accent-600:#0b62cf;
  --accent-700:#0a52ad;
  --accent-soft:#e9f2fe;
  --accent-softer:#f3f8ff;

  /* ---- semantic ---- */
  --emerald:#0f9d6b;
  --emerald-soft:#e4f6ee;
  --amber:#e3920c;
  --amber-soft:#fdf2dd;
  --danger:#e0524a;
  --danger-soft:#fdeceb;
  --violet:#6a52e8;
  --violet-soft:#eeeafe;

  /* ---- surfaces ---- */
  --bg:#f5f8fd;
  --bg-2:#eef3fb;
  --surface:#ffffff;
  --surface-2:#f5f8fd;
  --line:#e5ecf6;
  --line-strong:#d3def0;

  /* ---- shadows (cool, soft) ---- */
  --shadow-xs:0 1px 2px rgba(13,38,76,.06);
  --shadow-sm:0 2px 8px rgba(13,38,76,.06);
  --shadow-md:0 12px 30px -10px rgba(13,38,76,.18);
  --shadow-lg:0 30px 60px -22px rgba(13,38,76,.28);
  --shadow-blue:0 18px 40px -16px rgba(15,121,240,.45);

  /* ---- radius ---- */
  --r-xs:8px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:22px;
  --r-xl:28px;
  --r-pill:999px;

  --maxw:1200px;
  --header-h:72px;

  --font:'Manrope',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
::selection{background:var(--accent);color:#fff}

h1,h2,h3,h4{margin:0;line-height:1.1;letter-spacing:-.02em;font-weight:800;color:var(--ink)}
p{margin:0}

/* ---------- layout ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
  color:var(--accent);
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--accent)}
.section-head{max-width:680px;margin-bottom:48px}
.section-head h2{font-size:clamp(30px,3.4vw,44px);margin-bottom:16px}
.section-head p{color:var(--muted);font-size:19px}
.center{text-align:center;margin-left:auto;margin-right:auto}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-weight:700;font-size:16px;letter-spacing:-.01em;
  padding:14px 24px;border-radius:var(--r-sm);border:1px solid transparent;
  transition:transform .15s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn svg{width:18px;height:18px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-blue)}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-2px);box-shadow:0 22px 46px -16px rgba(15,121,240,.55)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-700);transform:translateY(-2px)}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line-strong);box-shadow:var(--shadow-xs)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent-600);transform:translateY(-2px)}
.btn-soft{background:var(--accent-soft);color:var(--accent-700)}
.btn-soft:hover{background:#dcebfe}
.btn-lg{padding:17px 30px;font-size:17px;border-radius:var(--r-md)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{display:flex;width:100%}
.btn-link{color:var(--accent-600);font-weight:700;display:inline-flex;align-items:center;gap:6px}
.btn-link:hover{gap:10px}
.btn-link svg{width:16px;height:16px;transition:transform .15s}

/* ---------- chips / tags / badges ---------- */
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 15px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line-strong);
  font-size:14px;font-weight:600;color:var(--ink-700);
  box-shadow:var(--shadow-xs);transition:all .15s;cursor:pointer;
}
.chip:hover{border-color:var(--accent);color:var(--accent-700);transform:translateY(-1px)}
.chip svg{width:15px;height:15px;opacity:.6}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;letter-spacing:.01em;
}
.badge-blue{background:var(--accent-soft);color:var(--accent-700)}
.badge-green{background:var(--emerald-soft);color:var(--emerald)}
.badge-amber{background:var(--amber-soft);color:var(--amber)}
.badge-red{background:var(--danger-soft);color:var(--danger)}
.badge-violet{background:var(--violet-soft);color:var(--violet)}
.badge-ink{background:var(--ink);color:#fff}
.tag{font-family:var(--mono);font-size:12px;font-weight:500;color:var(--muted-2);letter-spacing:.02em}
.dot{width:7px;height:7px;border-radius:50%;display:inline-block;background:currentColor}

/* ---------- cards ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--shadow-sm);
}
.card-pad{padding:28px}
.card-hover{transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card-hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--line-strong)}

/* ---------- inputs ---------- */
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:14px;font-weight:700;color:var(--ink-700)}
.field .hint{font-size:13px;color:var(--muted)}
.input,.select,textarea.input{
  width:100%;padding:13px 15px;border-radius:var(--r-sm);
  border:1.5px solid var(--line-strong);background:var(--surface);
  font-family:inherit;font-size:15.5px;color:var(--ink);transition:border-color .15s,box-shadow .15s;
}
.input:focus,.select:focus,textarea.input:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);
}
.input::placeholder{color:var(--muted-2)}

/* ---------- icon tiles ---------- */
.itile{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;flex:none;
}
.itile svg{width:26px;height:26px}
.itile-blue{background:var(--accent-soft);color:var(--accent-600)}
.itile-green{background:var(--emerald-soft);color:var(--emerald)}
.itile-amber{background:var(--amber-soft);color:var(--amber)}
.itile-violet{background:var(--violet-soft);color:var(--violet)}
.itile-ink{background:var(--ink);color:#fff}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;height:var(--header-h);
  backdrop-filter:saturate(160%) blur(14px);
  background:rgba(245,248,253,.82);
  border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-xs);background:rgba(255,255,255,.86)}
.header-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:100%;
  display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;flex:none}
.brand img{height:30px;width:auto}
.nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav a{
  padding:8px 14px;border-radius:var(--r-sm);font-size:15px;font-weight:600;color:var(--ink-700);
  transition:background .15s,color .15s;
}
.nav a:hover{background:var(--accent-softer);color:var(--accent-700)}
.nav a.active{color:var(--accent-700)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.burger{display:none;background:none;border:none;padding:8px;border-radius:10px;color:var(--ink)}
.burger:hover{background:var(--bg-2)}
.burger svg{width:24px;height:24px}

/* mobile drawer */
.drawer-backdrop{position:fixed;inset:0;background:rgba(10,26,53,.4);z-index:120;opacity:0;pointer-events:none;transition:opacity .25s}
.drawer-backdrop.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(340px,86vw);background:var(--surface);
  z-index:130;transform:translateX(100%);transition:transform .3s cubic-bezier(.3,.7,.2,1);
  display:flex;flex-direction:column;padding:20px;box-shadow:var(--shadow-lg);
}
.drawer.open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-top img{height:28px}
.drawer-close{background:var(--bg-2);border:none;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;color:var(--ink)}
.drawer-close svg{width:22px;height:22px}
.drawer nav{display:flex;flex-direction:column;gap:2px;margin-bottom:18px}
.drawer nav a{padding:13px 14px;border-radius:12px;font-weight:600;font-size:16px}
.drawer nav a:hover{background:var(--accent-softer);color:var(--accent-700)}
.drawer .drawer-actions{display:flex;flex-direction:column;gap:10px;margin-top:auto}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#c4cee0;padding:72px 0 36px;margin-top:40px}
.site-footer a{color:#c4cee0;transition:color .15s}
.site-footer a:hover{color:#fff}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand img{height:30px;margin-bottom:18px}
.footer-brand p{color:#8ea0bd;font-size:15px;max-width:300px}
.footer-col h4{color:#fff;font-size:14px;letter-spacing:.03em;text-transform:uppercase;margin-bottom:18px;font-weight:700}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px;font-size:15px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-top:28px;flex-wrap:wrap}
.footer-bottom p{color:#7a8caa;font-size:13.5px;max-width:680px;line-height:1.55}
.footer-note{display:flex;flex-direction:column;gap:6px}
.footer-note a{color:#7a8caa;text-decoration:underline;text-underline-offset:2px}
.footer-legal{display:flex;gap:20px;font-size:13.5px;flex-wrap:wrap}

/* ---------- misc helpers ---------- */
.grid{display:grid;gap:20px}
.flex{display:flex}
.muted{color:var(--muted)}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.gradient-text{background:linear-gradient(100deg,var(--accent),#46a0ff);-webkit-background-clip:text;background-clip:text;color:transparent}

/* placeholder illustration block */
.ph{
  background:
    repeating-linear-gradient(135deg,var(--bg-2),var(--bg-2) 11px,transparent 11px,transparent 22px),
    var(--surface-2);
  border:1px dashed var(--line-strong);border-radius:var(--r-md);
  display:grid;place-items:center;color:var(--muted-2);
  font-family:var(--mono);font-size:12px;letter-spacing:.02em;text-align:center;padding:14px;
}

@media (max-width:980px){
  .nav{display:none}
  /* после входа site.js меняет btn-ghost → btn-soft, поэтому селектор
     не должен зависеть от класса: прячем и «Войти», и чип пользователя.
     Обе ссылки продублированы в drawer. */
  .header-actions > a{display:none}
  .burger{display:grid;place-items:center}
  .section{padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:600px){
  body{font-size:16px}
  .section{padding:56px 0}
  .wrap{padding:0 18px}
  .header-inner{padding:0 18px}   /* выравниваем логотип по левому краю контента */
  .footer-grid{grid-template-columns:1fr}
  .header-actions .btn span.hide-sm{display:none}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto}
}