/* ============================================================
   Oinastat — общие стили (mobile-first)
   ============================================================ */
:root{
  --ink:#0e1526;
  --ink-soft:#39404f;
  --muted:#5f6775;
  --bg:#ffffff;
  --bg-soft:#f4f6f9;
  --line:#e5e8ee;
  --brand:#0e1526;
  --lime:#c9f64f;
  --lime-ink:#1a2400;
  --blue:#2456e6;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(14,21,38,.08);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.6;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img,svg{max-width:100%;display:block}
a{color:var(--blue)}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,6vw,3.2rem)}
h2{font-size:clamp(1.45rem,4.5vw,2.2rem)}
h3{font-size:1.1rem}
p{margin:0 0 1em}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1120px;margin-inline:auto;padding-inline:20px}
.section{padding-block:56px}
.section--soft{background:var(--bg-soft)}
.section-head{max-width:640px;margin-bottom:32px}
.section-head .kicker{display:inline-block;font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--blue);margin-bottom:8px}
.section-head p{color:var(--muted)}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:100;border-radius:0 0 8px 0}
.skip-link:focus{left:0}

/* ---------- Кнопки ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:999px;border:2px solid transparent;
  font:inherit;font-weight:700;font-size:.95rem;text-decoration:none;
  cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
  min-height:48px;
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--ink);color:#fff}
.btn--primary:hover{box-shadow:0 8px 20px rgba(14,21,38,.25)}
.btn--lime{background:var(--lime);color:var(--lime-ink)}
.btn--lime:hover{box-shadow:0 8px 20px rgba(201,246,79,.45)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--ink)}
.btn--ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn--ghost-light:hover{border-color:#fff}
.btn--block{width:100%}

/* ---------- Шапка ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header__inner{display:flex;align-items:center;gap:16px;min-height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:1.15rem;letter-spacing:-.01em}
.logo__mark{width:32px;height:32px;flex:none}
.logo span b{color:var(--blue)}

.nav-toggle{
  margin-left:auto;display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:48px;height:48px;padding:12px;border:0;background:none;cursor:pointer;border-radius:8px;
}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s,opacity .2s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.site-nav{
  display:none;position:absolute;left:0;right:0;top:100%;
  background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow);
  padding:12px 20px 20px;
}
.site-nav.is-open{display:block}
.site-nav ul{list-style:none;margin:0;padding:0}
.site-nav a{display:block;padding:12px 4px;color:var(--ink);text-decoration:none;font-weight:600;border-bottom:1px solid var(--line)}
.site-nav a[aria-current="page"]{color:var(--blue)}
.site-nav .nav-cta{margin-top:16px;border-bottom:0;padding:0}

/* ---------- Герой ---------- */
.hero{
  background:radial-gradient(1200px 600px at 80% -10%,rgba(36,86,230,.35),transparent 60%),
             radial-gradient(800px 500px at -10% 110%,rgba(201,246,79,.16),transparent 55%),
             var(--ink);
  color:#fff;padding-block:64px 48px;overflow:hidden;
}
.hero h1{color:#fff;margin-bottom:.4em}
.hero h1 .accent{color:var(--lime)}
.hero__lead{font-size:1.05rem;color:rgba(255,255,255,.78);max-width:560px;margin-bottom:24px}
.hero__actions{display:flex;flex-direction:column;gap:12px;margin-bottom:28px}
.hero__badges{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 8px;padding:0;list-style:none}
.hero__badges li{
  font-size:.78rem;font-weight:600;color:rgba(255,255,255,.85);
  border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:6px 12px;
}
.hero__note{font-size:.82rem;color:rgba(255,255,255,.55)}

/* ---------- Оффер ---------- */
.offer{
  background:var(--lime);color:var(--lime-ink);
  border-radius:var(--radius);padding:28px 22px;box-shadow:var(--shadow);
}
.offer__tag{display:inline-block;background:var(--ink);color:#fff;font-size:.75rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;border-radius:999px;padding:6px 12px;margin-bottom:12px}
.offer h2{margin-bottom:.3em}
.offer p{margin-bottom:18px}
.offer__fineprint{font-size:.78rem;opacity:.75;margin:14px 0 0}

/* ---------- Карточки ---------- */
.cards{display:grid;gap:16px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;
}
.card__icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--bg-soft);margin-bottom:14px;font-size:1.3rem;
}
.card p{color:var(--muted);margin:0;font-size:.95rem}

/* ---------- Цифры ---------- */
.stats-strip{display:grid;gap:20px;text-align:center}
.stats-strip b{display:block;font-size:2rem;font-weight:800;letter-spacing:-.02em}
.stats-strip span{color:var(--muted);font-size:.9rem}

/* ---------- Шаги ---------- */
.steps{list-style:none;margin:0;padding:0;display:grid;gap:16px;counter-reset:step}
.steps li{
  counter-increment:step;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:22px 20px 22px 64px;position:relative;
}
.steps li::before{
  content:counter(step);position:absolute;left:18px;top:20px;
  width:32px;height:32px;border-radius:50%;background:var(--ink);color:var(--lime);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.95rem;
}
.steps h3{margin-bottom:.2em}
.steps p{color:var(--muted);margin:0;font-size:.95rem}

/* ---------- FAQ ---------- */
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;margin-bottom:12px}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 48px 18px 20px;font-weight:700;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  font-size:1.4rem;font-weight:400;color:var(--muted);transition:transform .2s;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item .faq-body{padding:0 20px 18px;color:var(--muted)}
.faq-item .faq-body p:last-child{margin-bottom:0}

/* ---------- CTA-блок ---------- */
.cta-band{background:var(--ink);color:#fff;border-radius:var(--radius);padding:36px 24px;text-align:center}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.7);max-width:480px;margin-inline:auto}
.cta-band .btn{margin-top:8px}

/* ---------- Хлебные крошки ---------- */
.breadcrumbs{font-size:.85rem;color:var(--muted);padding-block:16px}
.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0}
.breadcrumbs li+li::before{content:"/";margin-right:6px;color:var(--line)}
.breadcrumbs a{color:var(--muted);text-decoration:none}
.breadcrumbs a:hover{color:var(--blue)}

/* ---------- Текстовые страницы ---------- */
.page-hero{background:var(--bg-soft);padding-block:40px;border-bottom:1px solid var(--line)}
.page-hero p{color:var(--muted);max-width:640px;margin:0}
.prose{max-width:760px}
.prose h2{margin-top:1.6em;font-size:1.35rem}
.prose h3{margin-top:1.3em}
.prose ul{padding-left:22px}
.prose li{margin-bottom:.4em}
.prose .updated{font-size:.85rem;color:var(--muted)}

/* ---------- Формы ---------- */
.form{display:grid;gap:12px;max-width:480px}
.form label{font-weight:700;font-size:.9rem}
.form input,.form textarea{
  font:inherit;padding:13px 16px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;width:100%;
}
.form input:focus,.form textarea:focus{border-color:var(--blue);outline:none}
.form-note{font-size:.8rem;color:var(--muted)}
.form-success{background:#e9f9e4;border:1px solid #bfe8b2;color:#1d5c10;border-radius:var(--radius-sm);padding:14px 16px;font-weight:600}

/* ---------- Подвал ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.75);margin-top:64px;font-size:.92rem}
.site-footer a{color:rgba(255,255,255,.85);text-decoration:none}
.site-footer a:hover{color:var(--lime)}
.site-footer__grid{display:grid;gap:32px;padding-block:48px}
.site-footer h3{color:#fff;font-size:.95rem;margin-bottom:12px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.site-footer .logo{color:#fff;margin-bottom:12px}
.site-footer__about p{margin:0 0 12px;color:rgba(255,255,255,.6)}
.site-footer__bottom{border-top:1px solid rgba(255,255,255,.12);padding-block:20px;font-size:.8rem;color:rgba(255,255,255,.5)}
.site-footer__bottom p{margin:0 0 6px}

/* ---------- Модальное окно ---------- */
.modal{border:0;border-radius:var(--radius);padding:0;max-width:420px;width:calc(100% - 40px);box-shadow:0 30px 80px rgba(0,0,0,.35)}
.modal::backdrop{background:rgba(14,21,38,.6);backdrop-filter:blur(3px)}
.modal__inner{padding:32px 24px;text-align:center}
.modal__icon{font-size:2.4rem;margin-bottom:8px}
.modal h2{font-size:1.35rem}
.modal p{color:var(--muted);font-size:.95rem}
.modal .btn{margin-top:8px}
.modal__close{position:absolute;top:10px;right:10px;width:40px;height:40px;border:0;background:none;font-size:1.4rem;cursor:pointer;color:var(--muted);border-radius:8px}

/* ---------- Планшет и десктоп ---------- */
@media (min-width:768px){
  .section{padding-block:80px}
  .hero{padding-block:96px 72px}
  .hero__actions{flex-direction:row}
  .cards--3{grid-template-columns:repeat(3,1fr)}
  .cards--2{grid-template-columns:repeat(2,1fr)}
  .stats-strip{grid-template-columns:repeat(4,1fr)}
  .steps{grid-template-columns:repeat(3,1fr)}
  .offer{padding:40px;display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:center}
  .offer__cta{text-align:right}
  .site-footer__grid{grid-template-columns:2fr 1fr 1fr 1fr}
}

@media (min-width:1024px){
  .site-nav{
    display:block;position:static;margin-left:auto;background:none;border:0;box-shadow:none;padding:0;
  }
  .site-nav ul{display:flex;align-items:center;gap:4px}
  .site-nav a{border:0;padding:10px 14px;border-radius:8px;font-size:.95rem}
  .site-nav a:hover{background:var(--bg-soft)}
  .site-nav .nav-cta{margin:0 0 0 12px;padding:0}
  .site-nav .nav-cta .btn{padding:10px 20px;min-height:auto}
  .nav-toggle{display:none}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
}