:root{
  --blue:#043ce3;
  --blue-dark:#0726a3;
  --bg:#0a1543;
  --text:#eaedfe;
  --muted:#a6aedb;
  --cta:#ff9907;
  --cta-hover:#ffaa2d;
  --card:#0e1d5b;
  --card-alt:#102167;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif;line-height:1.5}
img{max-width:100%;display:block}

.container{width:min(1200px,92%);margin:0 auto}

.site-header{position:sticky;top:0;z-index:50;background:linear-gradient(90deg,var(--blue),var(--blue-dark));box-shadow:0 4px 14px rgba(0,0,0,.25)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:.8rem 0}
.brand-link{
  display:flex;align-items:center;gap:.6rem;
  color:#fcfcfc;text-decoration:none;font-weight:700;
  flex:0 0 auto; /* не даём бренду сжиматься во флексе */
}
.brand-link img{
  height:64px;           /* контролируем высоту логотипа */
  width:auto;            /* ширина по пропорциям */
  max-width:none;        /* не ограничивать 100% у svg */
  object-fit:contain;    /* безопасное вписывание */
  flex:0 0 auto;         /* запрет shrink у самого img */
}
.main-nav{display:flex;gap:1rem;align-items:center}
.main-nav a{color:#fcfcfc;text-decoration:none;opacity:.9}
.main-nav a:hover{opacity:1}
.btn{display:inline-block;padding:.75rem 1rem;border-radius:.75rem;background:#17308d;color:#fcfcfc;text-decoration:none;font-weight:600;border:1px solid rgba(255,255,255,.1)}
.btn-accent{background:var(--cta);border-color:transparent}
.btn-accent:hover{background:var(--cta-hover)}
.ui-0009{background:transparent;border-color:rgba(255,255,255,.35)}

.menu-toggle{display:none;background:transparent;border:0;color:#fcfcfc;font-size:1.5rem}

.hero{padding:3rem 0;background:
  radial-gradient(1200px 600px at 80% -10%, rgba(10,91,216,.25), transparent 60%),
  radial-gradient(800px 400px at -10% 10%, rgba(255,122,0,.12), transparent 60%)}
.hero-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:2rem;align-items:center}
.hero h1{font-size:2.3rem;line-height:1.2;margin:0 0 .75rem}
.hero p{color:var(--muted);margin:0 0 1rem}
.cta-group{display:flex;gap:.75rem;margin:1rem 0}
.feature-list-hero{margin:1rem 0 0;padding:0 0 0 1.1rem;color:#cfdaff}
.hero-media{filter:drop-shadow(0 20px 40px rgba(0,0,0,.35));}

.promos-section{padding:3rem 0;background:linear-gradient(180deg,transparent,rgba(255,255,255,.03))}
h2{font-size:1.8rem;margin:0 0 1rem}
.lead{color:#cfdaff;margin:0 0 1.5rem}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.card{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:1rem;padding:1.2rem;box-shadow:0 6px 18px rgba(0,0,0,.25)}
.card h3{margin:.25rem 0 .5rem}
.card p{color:#d6ddff}
.card-feature{background:var(--card-alt)}

.section{padding:3rem 0}
.section.alt{background:linear-gradient(180deg,rgba(255,255,255,.03),transparent)}
.ui-0025{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:center}
.feature-list{list-style:none;padding:0;margin:.5rem 0 1rem}
.feature-list li{margin:.35rem 0;padding-left:1.5rem;position:relative}
.feature-list li::before{content:"✔";position:absolute;left:0;top:0;color:#48d286}

.ui-0024{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem}
.ui-0024 img{border-radius:.6rem;border:1px solid rgba(255,255,255,.06)}

.app-section{padding:3rem 0}
.two-col{grid-template-columns:1fr 1fr}

.signup-section{padding:3rem 0}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;counter-reset:step}
.steps li{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:.9rem;padding:1rem;list-style:none;position:relative}
.steps li::before{counter-increment:step;content:counter(step);position:absolute;top:-12px;left:-12px;background:var(--cta);color:#fcfcfc;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;font-weight:700;border:2px solid #fcfcfc}

.faq{padding:3rem 0}
details{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:.9rem;padding:1rem;margin:.6rem 0}
summary{cursor:pointer;font-weight:600}

.site-footer{padding:2rem 0;background:linear-gradient(90deg,var(--blue-dark),var(--blue))}
.footer-inner{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:1rem;align-items:center}
.brand-block{display:flex;align-items:center;gap:.8rem}
.brand-block img{max-height:48px;height:auto;width:auto;flex:0 0 auto}
.footer-links{display:flex;gap:.9rem;flex-wrap:wrap}
.footer-links a{color:#fcfcfc;text-decoration:none;opacity:.9}
.footer-links a:hover{opacity:1}
.age-warning span{background:#fcfcfc;color:#040404;padding:.1rem .35rem;border-radius:.4rem;margin-right:.25rem;font-weight:700}

.ui-0002{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(0,0,0,.6);backdrop-filter:blur(4px)}
.ui-0002[aria-hidden="false"]{display:flex}
.ui-0005{background:var(--card-alt);border:1px solid rgba(255,255,255,.08);padding:1.5rem;border-radius:1rem;box-shadow:0 20px 60px rgba(0,0,0,.4);width:min(520px,92%)}
.ui-0005 h3{margin-top:0}
.ui-0004{position:absolute;right:calc(50% - min(260px,46%));top:calc(50% - 180px);transform:translate(220px,-20px);background:transparent;border:0;color:#fcfcfc;font-size:1.8rem}

/* Адаптив: делаем лого чуть ниже на узких экранах */
@media (max-width: 960px){
  .card-grid{grid-template-columns:1fr}
  .ui-0025{grid-template-columns:1fr}
  .ui-0024{grid-template-columns:repeat(3,1fr)}
  .hero-inner{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:1rem;text-align:center}
  .main-nav{display:none;position:absolute;right:4%;top:64px;background:var(--card);padding:1rem;border-radius:.8rem;border:1px solid rgba(255,255,255,.08)}
  .main-nav.show{display:grid}
  .menu-toggle{display:block}
  .brand-link img{height:56px}
}
@media (max-width: 520px){
  .brand-link img{height:48px}
}