/* Жизнь в цифрах — общий стиль */
:root{
  --bg:#0b1020;
  --bg2:#070b1a;
  --card:#141a30;
  --card2:#0e1428;
  --border:#262d47;
  --fg:#f5f1e8;
  --muted:#9aa3bd;
  --primary:#fbbf24;
  --accent:#fb7185;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  color:var(--fg);
  background:
    radial-gradient(ellipse at top left, rgba(251,191,36,.18), transparent 55%),
    radial-gradient(ellipse at bottom right, rgba(251,113,133,.18), transparent 55%),
    linear-gradient(180deg,#0b1020,#070b1a);
  background-attachment:fixed;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:'Unbounded','Inter',sans-serif;letter-spacing:-.02em;margin:0}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}

.container{max-width:1200px;margin:0 auto;padding:0 1.25rem}
.gradient-text{
  background:linear-gradient(135deg,#fbbf24,#fb7185);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.card{
  background:linear-gradient(160deg,#141a30,#0e1428);
  border:1px solid rgba(38,45,71,.7);
  border-radius:1.25rem;
  box-shadow:0 10px 40px -15px rgba(0,0,0,.6);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.5rem;border-radius:9999px;font-weight:600;
  background:linear-gradient(135deg,#fbbf24,#fb7185);color:#0b1020;
  border:none;cursor:pointer;transition:transform .15s, box-shadow .15s;
  font-size:1rem;
}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 30px -10px rgba(251,191,36,.45)}
.btn-ghost{
  background:transparent;color:var(--fg);border:1px solid var(--border);
}
.btn-ghost:hover{background:rgba(255,255,255,.04)}

/* Header */
.site-header{
  position:sticky;top:0;z-index:40;
  backdrop-filter:blur(12px);
  background:rgba(11,16,32,.72);
  border-bottom:1px solid rgba(38,45,71,.6);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:1rem 0}
.brand{display:flex;align-items:center;gap:.6rem;font-family:'Unbounded',sans-serif;font-weight:700;font-size:1.05rem}
.brand-icon{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(135deg,#fbbf24,#fb7185);
  display:flex;align-items:center;justify-content:center;color:#0b1020;font-weight:800;
}
.nav-links{display:flex;align-items:center;gap:.25rem}
.nav-links a{
  padding:.5rem .85rem;border-radius:9999px;font-size:.9rem;color:var(--muted);
  transition:color .15s, background .15s;
}
.nav-links a:hover,.nav-links a.active{color:var(--fg);background:rgba(255,255,255,.05)}
.menu-btn{display:none;background:none;border:1px solid var(--border);color:var(--fg);
  width:42px;height:42px;border-radius:12px;cursor:pointer;align-items:center;justify-content:center}
@media (max-width:820px){
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;padding:.5rem 1rem 1rem;
    background:rgba(11,16,32,.96);border-bottom:1px solid var(--border);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:.85rem 1rem;border-radius:12px}
  .menu-btn{display:inline-flex}
}

/* Footer */
.site-footer{
  margin-top:5rem;border-top:1px solid rgba(38,45,71,.6);
  padding:2.5rem 0;color:var(--muted);font-size:.9rem;
}
.footer-grid{display:grid;gap:1.5rem;grid-template-columns:1.5fr 1fr 1fr}
.footer-grid a{color:var(--muted)}
.footer-grid a:hover{color:var(--fg)}
.footer-grid h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.15em;color:var(--fg);margin-bottom:.75rem;font-family:'Inter',sans-serif;font-weight:600}
.footer-grid ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.5rem}
@media (max-width:700px){.footer-grid{grid-template-columns:1fr}}

/* Hero / pages */
.hero{padding:3.5rem 0 1.5rem}
.hero h1{font-size:clamp(2.4rem,6vw,4.5rem);font-weight:800;line-height:1.05}
.hero p.lead{color:var(--muted);font-size:clamp(1rem,1.6vw,1.2rem);max-width:42rem;margin-top:1.25rem;line-height:1.6}
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.35rem .75rem;border-radius:9999px;border:1px solid var(--border);
  background:rgba(255,255,255,.03);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);
}

/* Cards grid */
.cards-grid{display:grid;gap:1.25rem;grid-template-columns:repeat(3,1fr);margin-top:3rem}
@media (max-width:900px){.cards-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.cards-grid{grid-template-columns:1fr}}
.calc-card{padding:1.5rem;position:relative;overflow:hidden;display:block;transition:transform .2s, box-shadow .2s}
.calc-card:hover{transform:translateY(-4px);box-shadow:0 20px 60px -20px rgba(251,191,36,.25)}
.calc-card .glow{position:absolute;top:-3rem;right:-3rem;width:10rem;height:10rem;border-radius:50%;filter:blur(40px);opacity:.25}
.calc-card .icon{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  color:#0b1020;font-size:1.4rem;font-weight:700;
}
.calc-card h3{margin-top:1.25rem;font-size:1.2rem}
.calc-card p{color:var(--muted);margin:.5rem 0 0;font-size:.92rem;line-height:1.55}
.calc-card .arrow{margin-top:1.25rem;display:inline-flex;align-items:center;gap:.35rem;color:var(--primary);font-weight:500;font-size:.9rem}

/* Form */
.form-grid{display:grid;gap:1.25rem;grid-template-columns:1fr 1fr}
@media (max-width:600px){.form-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:.5rem}
.field.full{grid-column:1/-1}
.field label{font-size:.9rem;color:var(--fg);font-weight:500}
.field input,.field select{
  background:#11172b;border:1px solid var(--border);color:var(--fg);
  padding:.75rem 1rem;border-radius:.85rem;font-size:1rem;font-family:inherit;
  transition:border-color .15s, box-shadow .15s;
}
.field input:focus,.field select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(251,191,36,.15)}

/* Result */
.result-card{margin-top:1.5rem;padding:2rem}
.result-card h2.eyebrow-h{font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:600;font-family:'Inter',sans-serif;margin-bottom:1rem}
.result-big{font-size:clamp(2rem,5vw,3.5rem);font-weight:800;line-height:1.1;font-family:'Unbounded',sans-serif}
.stats{display:grid;gap:1rem;grid-template-columns:repeat(4,1fr)}
@media (max-width:600px){.stats{grid-template-columns:repeat(2,1fr)}}
.stat{padding:1rem;border-radius:1rem;background:rgba(255,255,255,.03);border:1px solid var(--border)}
.stat .v{font-size:clamp(1.3rem,3vw,1.8rem);font-weight:700;font-family:'Unbounded',sans-serif}
.stat .l{font-size:.7rem;text-transform:uppercase;letter-spacing:.15em;color:var(--muted);margin-top:.35rem}

/* Layout main+ads */
.calc-layout{display:block;max-width:780px;margin:2.5rem auto 0}
.ad-slot{
  border:1px dashed rgba(154,163,189,.35);border-radius:1rem;
  background:rgba(255,255,255,.02);min-height:300px;
  display:flex;align-items:center;justify-content:center;color:var(--muted);
  font-size:.75rem;letter-spacing:.18em;text-transform:uppercase;
}
@media (max-width:1100px){.ad-slot.side{display:none}}
.ad-slot.mobile{min-height:120px;margin-top:1.5rem;display:none}
@media (max-width:1100px){.ad-slot.mobile{display:flex}}

/* Share */
.share-bar{display:flex;flex-wrap:nowrap;gap:.6rem;align-items:center;margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border)}
.share-bar .label{color:var(--muted);font-size:.85rem;margin-right:.5rem;flex-shrink:0}
.share-btn{
  flex:1;min-width:0;display:inline-flex;align-items:center;justify-content:center;gap:.4rem;
  padding:.6rem .9rem;border-radius:9999px;border:1px solid var(--border);
  background:rgba(255,255,255,.03);color:var(--fg);font-size:.85rem;cursor:pointer;
  transition:background .15s;
}
.share-btn:hover{background:rgba(255,255,255,.07)}
@media (max-width:600px){.share-bar .label{display:none}}

/* Section */
.section{margin-top:4rem}
.section h2{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:700;margin-bottom:1.5rem}

/* FAQ */
.faq details{
  background:linear-gradient(160deg,#141a30,#0e1428);
  border:1px solid var(--border);border-radius:1rem;padding:1.1rem 1.25rem;margin-bottom:.75rem;
}
.faq summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;color:var(--primary);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);margin:.85rem 0 0;line-height:1.6}

/* Prose pages */
.prose{max-width:48rem;margin:0 auto;color:var(--fg);line-height:1.7}
.prose h2{font-size:1.5rem;margin-top:2rem;margin-bottom:.75rem}
.prose p{color:var(--muted);margin:.75rem 0}
.prose ul{color:var(--muted);padding-left:1.25rem}
.prose ul li{margin:.4rem 0}