:root{
  --color-primary:#0d3b8c;
  --color-primary-dark:#082a66;
  --color-primary-light:#1e5fd9;
  --color-accent:#ff7a1a;
  --color-bg:#ffffff;
  --color-bg-alt:#f2f6fc;
  --color-text:#1a2332;
  --color-text-muted:#5a6a85;
  --color-border:#e1e8f5;
  --radius:10px;
  --shadow:0 4px 18px rgba(13,59,140,0.08);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*{box-sizing:border-box; margin:0; padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font);
  color:var(--color-text);
  background:var(--color-bg);
  line-height:1.55;
  -webkit-text-size-adjust:100%;
}
img{max-width:100%; display:block;}
a{color:var(--color-primary); text-decoration:none;}
a:hover{text-decoration:underline;}
ul{list-style:none;}
.container{
  width:100%;
  max-width:1140px;
  margin:0 auto;
  padding:0 20px;
}
.visually-hidden{
  position:absolute; width:1px; height:1px; overflow:hidden;
  clip:rect(0 0 0 0); white-space:nowrap;
}

/* ===== Header ===== */
.site-header{
  position:sticky; top:0; z-index:100;
  background:var(--color-bg);
  border-bottom:1px solid var(--color-border);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height:68px;
}
.logo{
  display:flex; align-items:center; gap:10px;
  font-weight:700; font-size:1.15rem; color:var(--color-primary-dark);
}
.logo-badge{
  width:38px; height:38px; border-radius:8px;
  background:var(--color-primary);
  color:#fff; display:flex; align-items:center; justify-content:center;
  font-weight:700; font-size:1rem;
}
.logo span{color:var(--color-accent);}

.main-nav{
  display:flex; align-items:center; gap:28px;
}
.main-nav a{
  color:var(--color-text); font-size:0.97rem; font-weight:500;
}
.main-nav a:hover{color:var(--color-primary); text-decoration:none;}

.header-actions{display:flex; align-items:center; gap:14px;}

.btn{
  display:inline-block;
  padding:11px 22px;
  border-radius:8px;
  font-weight:600;
  font-size:0.95rem;
  cursor:pointer;
  border:none;
  transition:background .15s ease, transform .1s ease;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--color-accent); color:#fff;}
.btn-primary:hover{background:#e56a10;}
.btn-outline{
  background:transparent; color:var(--color-primary);
  border:1.5px solid var(--color-primary);
}
.btn-outline:hover{background:var(--color-bg-alt);}

.burger{
  display:none;
  width:42px; height:42px;
  border:none; background:transparent;
  cursor:pointer;
  position:relative;
}
.burger span, .burger span::before, .burger span::after{
  content:""; position:absolute; left:9px; right:9px;
  height:2px; background:var(--color-primary-dark);
  transition:transform .2s ease, opacity .2s ease;
}
.burger span{top:20px;}
.burger span::before{top:-8px;}
.burger span::after{top:8px;}
.burger.is-active span{background:transparent;}
.burger.is-active span::before{transform:translateY(8px) rotate(45deg);}
.burger.is-active span::after{transform:translateY(-8px) rotate(-45deg);}

/* ===== Hero ===== */
.hero{
  background:linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color:#fff;
  padding:56px 0 64px;
}
.hero-inner{
  display:flex; align-items:center; gap:40px; flex-wrap:wrap;
}
.hero-text{flex:1 1 420px;}
.hero-text h1{
  font-size:2.15rem; line-height:1.25; margin-bottom:16px; font-weight:800;
}
.hero-text p{
  font-size:1.05rem; color:#dce6fb; margin-bottom:26px; max-width:520px;
}
.hero-stats{
  display:flex; gap:28px; margin-top:32px; flex-wrap:wrap;
}
.hero-stat b{display:block; font-size:1.5rem; font-weight:800;}
.hero-stat span{font-size:0.85rem; color:#c4d5f5;}

.hero-form{
  flex:1 1 340px;
  background:#fff;
  color:var(--color-text);
  border-radius:var(--radius);
  padding:28px;
  box-shadow:var(--shadow);
  max-width:400px;
}
.hero-form h2{font-size:1.15rem; margin-bottom:6px;}
.hero-form p{font-size:0.85rem; color:var(--color-text-muted); margin-bottom:18px;}
.form-row{margin-bottom:14px;}
.form-row label{display:block; font-size:0.85rem; margin-bottom:6px; color:var(--color-text-muted);}
.form-row input{
  width:100%; padding:11px 12px; border-radius:8px;
  border:1px solid var(--color-border); font-size:0.95rem; font-family:inherit;
}
.form-row input:focus{outline:2px solid var(--color-primary-light); outline-offset:1px;}
.form-consent{font-size:0.72rem; color:var(--color-text-muted); margin-top:12px; line-height:1.4;}
.btn-block{width:100%; text-align:center; margin-top:6px;}

/* ===== Sections ===== */
.section{padding:56px 0;}
.section-alt{background:var(--color-bg-alt);}
.section-title{
  font-size:1.6rem; font-weight:800; margin-bottom:14px; color:var(--color-primary-dark);
}
.section-lead{color:var(--color-text-muted); max-width:760px; margin-bottom:32px;}

.info-block{max-width:820px;}
.info-block h2{font-size:1.4rem; color:var(--color-primary-dark); margin-bottom:12px;}
.info-block p{margin-bottom:14px; color:var(--color-text);}
.info-block + .info-block{margin-top:36px;}

/* Advantages grid */
.cards-grid{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:22px;
}
.card{
  background:#fff;
  border:1px solid var(--color-border);
  border-radius:var(--radius);
  padding:26px 20px;
  box-shadow:var(--shadow);
}
.card-icon{
  width:46px; height:46px; border-radius:10px;
  background:var(--color-bg-alt);
  display:flex; align-items:center; justify-content:center;
  font-size:1.3rem; margin-bottom:14px; color:var(--color-primary);
}
.card h3{font-size:1.05rem; margin-bottom:8px; color:var(--color-text);}
.card p{font-size:0.9rem; color:var(--color-text-muted);}

/* Steps */
.steps{
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:22px;
  counter-reset:step;
}
.step{
  position:relative;
  background:#fff;
  border-radius:var(--radius);
  padding:28px 20px 20px;
  border:1px solid var(--color-border);
}
.step::before{
  counter-increment:step;
  content:counter(step);
  position:absolute; top:-16px; left:20px;
  width:34px; height:34px; border-radius:50%;
  background:var(--color-accent); color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-weight:700; font-size:0.95rem;
}
.step h3{font-size:1rem; margin:8px 0 8px; color:var(--color-text);}
.step p{font-size:0.88rem; color:var(--color-text-muted);}

/* FAQ */
.faq-list{max-width:820px;}
.faq-item{
  border-bottom:1px solid var(--color-border);
  padding:18px 0;
}
.faq-item h3{font-size:1.05rem; color:var(--color-text); margin-bottom:8px;}
.faq-item p{color:var(--color-text-muted); font-size:0.95rem;}

/* CTA banner */
.cta-banner{
  background:var(--color-primary-dark);
  color:#fff;
  border-radius:var(--radius);
  padding:36px 32px;
  display:flex; align-items:center; justify-content:space-between; gap:24px;
  flex-wrap:wrap;
}
.cta-banner h2{font-size:1.3rem; font-weight:700;}
.cta-banner p{color:#c4d5f5; font-size:0.92rem; margin-top:6px;}

/* Disclaimer */
.disclaimer{
  background:#fff8ef;
  border:1px solid #f2d9b0;
  border-radius:var(--radius);
  padding:22px 24px;
  font-size:0.82rem;
  color:#6b5730;
  line-height:1.6;
}
.disclaimer strong{color:#4a3a1a;}

/* ===== Footer ===== */
.site-footer{
  background:var(--color-primary-dark);
  color:#c4d5f5;
  padding:44px 0 24px;
  font-size:0.9rem;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.4fr;
  gap:30px;
  margin-bottom:30px;
}
.footer-col h4{color:#fff; font-size:1rem; margin-bottom:14px;}
.footer-col a{color:#c4d5f5; display:block; margin-bottom:9px; font-size:0.88rem;}
.footer-col a:hover{color:#fff;}
.footer-legal{
  border-top:1px solid rgba(255,255,255,0.12);
  padding-top:20px;
  font-size:0.76rem;
  color:#9fb3da;
  line-height:1.7;
}

/* ===== Mobile ===== */
@media (max-width:900px){
  .cards-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}

@media (max-width:760px){
  .main-nav{
    position:fixed; top:68px; left:0; right:0; bottom:0;
    background:#fff;
    flex-direction:column;
    align-items:flex-start;
    padding:24px 20px;
    gap:0;
    transform:translateX(-100%);
    transition:transform .25s ease;
    overflow-y:auto;
    border-top:1px solid var(--color-border);
  }
  .main-nav.is-open{transform:translateX(0);}
  .main-nav a{
    width:100%; padding:14px 0; border-bottom:1px solid var(--color-border);
    font-size:1.05rem;
  }
  .header-actions .btn-outline{display:none;}
  .burger{display:block;}
  .hero-text h1{font-size:1.6rem;}
  .cards-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .cta-banner{flex-direction:column; align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;}
}